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ARM: PL08x: ensure loops use cpu_relax()
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / r8169.c
blob7d33ef4bcb4a1d6ca7125d6780e173889ebbb0d8
1 /*
2 * r8169.c: RealTek 8169/8168/8101 ethernet driver.
3 *
4 * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
5 * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
6 * Copyright (c) a lot of people too. Please respect their work.
7 *
8 * See MAINTAINERS file for support contact information.
9 */
10
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/pci.h>
14 #include <linux/netdevice.h>
15 #include <linux/etherdevice.h>
16 #include <linux/delay.h>
17 #include <linux/ethtool.h>
18 #include <linux/mii.h>
19 #include <linux/if_vlan.h>
20 #include <linux/crc32.h>
21 #include <linux/in.h>
22 #include <linux/ip.h>
23 #include <linux/tcp.h>
24 #include <linux/init.h>
25 #include <linux/dma-mapping.h>
26 #include <linux/pm_runtime.h>
27
28 #include <asm/system.h>
29 #include <asm/io.h>
30 #include <asm/irq.h>
31
32 #define RTL8169_VERSION "2.3LK-NAPI"
33 #define MODULENAME "r8169"
34 #define PFX MODULENAME ": "
35
36 #ifdef RTL8169_DEBUG
37 #define assert(expr) \
38 if (!(expr)) { \
39 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
40 #expr,__FILE__,__func__,__LINE__); \
41 }
42 #define dprintk(fmt, args...) \
43 do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
44 #else
45 #define assert(expr) do {} while (0)
46 #define dprintk(fmt, args...) do {} while (0)
47 #endif /* RTL8169_DEBUG */
48
49 #define R8169_MSG_DEFAULT \
50 (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
51
52 #define TX_BUFFS_AVAIL(tp) \
53 (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
54
55 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
56 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
57 static const int multicast_filter_limit = 32;
58
59 /* MAC address length */
60 #define MAC_ADDR_LEN 6
61
62 #define MAX_READ_REQUEST_SHIFT 12
63 #define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */
64 #define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
65 #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
66 #define EarlyTxThld 0x3F /* 0x3F means NO early transmit */
67 #define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */
68 #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
69
70 #define R8169_REGS_SIZE 256
71 #define R8169_NAPI_WEIGHT 64
72 #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */
73 #define NUM_RX_DESC 256 /* Number of Rx descriptor registers */
74 #define RX_BUF_SIZE 1536 /* Rx Buffer size */
75 #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
76 #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
77
78 #define RTL8169_TX_TIMEOUT (6*HZ)
79 #define RTL8169_PHY_TIMEOUT (10*HZ)
80
81 #define RTL_EEPROM_SIG cpu_to_le32(0x8129)
82 #define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff)
83 #define RTL_EEPROM_SIG_ADDR 0x0000
84
85 /* write/read MMIO register */
86 #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
87 #define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
88 #define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
89 #define RTL_R8(reg) readb (ioaddr + (reg))
90 #define RTL_R16(reg) readw (ioaddr + (reg))
91 #define RTL_R32(reg) readl (ioaddr + (reg))
92
93 enum mac_version {
94 RTL_GIGA_MAC_NONE = 0x00,
95 RTL_GIGA_MAC_VER_01 = 0x01, // 8169
96 RTL_GIGA_MAC_VER_02 = 0x02, // 8169S
97 RTL_GIGA_MAC_VER_03 = 0x03, // 8110S
98 RTL_GIGA_MAC_VER_04 = 0x04, // 8169SB
99 RTL_GIGA_MAC_VER_05 = 0x05, // 8110SCd
100 RTL_GIGA_MAC_VER_06 = 0x06, // 8110SCe
101 RTL_GIGA_MAC_VER_07 = 0x07, // 8102e
102 RTL_GIGA_MAC_VER_08 = 0x08, // 8102e
103 RTL_GIGA_MAC_VER_09 = 0x09, // 8102e
104 RTL_GIGA_MAC_VER_10 = 0x0a, // 8101e
105 RTL_GIGA_MAC_VER_11 = 0x0b, // 8168Bb
106 RTL_GIGA_MAC_VER_12 = 0x0c, // 8168Be
107 RTL_GIGA_MAC_VER_13 = 0x0d, // 8101Eb
108 RTL_GIGA_MAC_VER_14 = 0x0e, // 8101 ?
109 RTL_GIGA_MAC_VER_15 = 0x0f, // 8101 ?
110 RTL_GIGA_MAC_VER_16 = 0x11, // 8101Ec
111 RTL_GIGA_MAC_VER_17 = 0x10, // 8168Bf
112 RTL_GIGA_MAC_VER_18 = 0x12, // 8168CP
113 RTL_GIGA_MAC_VER_19 = 0x13, // 8168C
114 RTL_GIGA_MAC_VER_20 = 0x14, // 8168C
115 RTL_GIGA_MAC_VER_21 = 0x15, // 8168C
116 RTL_GIGA_MAC_VER_22 = 0x16, // 8168C
117 RTL_GIGA_MAC_VER_23 = 0x17, // 8168CP
118 RTL_GIGA_MAC_VER_24 = 0x18, // 8168CP
119 RTL_GIGA_MAC_VER_25 = 0x19, // 8168D
120 RTL_GIGA_MAC_VER_26 = 0x1a, // 8168D
121 RTL_GIGA_MAC_VER_27 = 0x1b // 8168DP
122 };
123
124 #define _R(NAME,MAC,MASK) \
125 { .name = NAME, .mac_version = MAC, .RxConfigMask = MASK }
126
127 static const struct {
128 const char *name;
129 u8 mac_version;
130 u32 RxConfigMask; /* Clears the bits supported by this chip */
131 } rtl_chip_info[] = {
132 _R("RTL8169", RTL_GIGA_MAC_VER_01, 0xff7e1880), // 8169
133 _R("RTL8169s", RTL_GIGA_MAC_VER_02, 0xff7e1880), // 8169S
134 _R("RTL8110s", RTL_GIGA_MAC_VER_03, 0xff7e1880), // 8110S
135 _R("RTL8169sb/8110sb", RTL_GIGA_MAC_VER_04, 0xff7e1880), // 8169SB
136 _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_05, 0xff7e1880), // 8110SCd
137 _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_06, 0xff7e1880), // 8110SCe
138 _R("RTL8102e", RTL_GIGA_MAC_VER_07, 0xff7e1880), // PCI-E
139 _R("RTL8102e", RTL_GIGA_MAC_VER_08, 0xff7e1880), // PCI-E
140 _R("RTL8102e", RTL_GIGA_MAC_VER_09, 0xff7e1880), // PCI-E
141 _R("RTL8101e", RTL_GIGA_MAC_VER_10, 0xff7e1880), // PCI-E
142 _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_11, 0xff7e1880), // PCI-E
143 _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_12, 0xff7e1880), // PCI-E
144 _R("RTL8101e", RTL_GIGA_MAC_VER_13, 0xff7e1880), // PCI-E 8139
145 _R("RTL8100e", RTL_GIGA_MAC_VER_14, 0xff7e1880), // PCI-E 8139
146 _R("RTL8100e", RTL_GIGA_MAC_VER_15, 0xff7e1880), // PCI-E 8139
147 _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_17, 0xff7e1880), // PCI-E
148 _R("RTL8101e", RTL_GIGA_MAC_VER_16, 0xff7e1880), // PCI-E
149 _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_18, 0xff7e1880), // PCI-E
150 _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_19, 0xff7e1880), // PCI-E
151 _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_20, 0xff7e1880), // PCI-E
152 _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_21, 0xff7e1880), // PCI-E
153 _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_22, 0xff7e1880), // PCI-E
154 _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_23, 0xff7e1880), // PCI-E
155 _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_24, 0xff7e1880), // PCI-E
156 _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_25, 0xff7e1880), // PCI-E
157 _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_26, 0xff7e1880), // PCI-E
158 _R("RTL8168dp/8111dp", RTL_GIGA_MAC_VER_27, 0xff7e1880) // PCI-E
159 };
160 #undef _R
161
162 enum cfg_version {
163 RTL_CFG_0 = 0x00,
164 RTL_CFG_1,
165 RTL_CFG_2
166 };
167
168 static void rtl_hw_start_8169(struct net_device *);
169 static void rtl_hw_start_8168(struct net_device *);
170 static void rtl_hw_start_8101(struct net_device *);
171
172 static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
173 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
174 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
175 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
176 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
177 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
178 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 },
179 { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 },
180 { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 },
181 { PCI_VENDOR_ID_LINKSYS, 0x1032,
182 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
183 { 0x0001, 0x8168,
184 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
185 {0,},
186 };
187
188 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
189
190 static int rx_buf_sz = 16383;
191 static int use_dac;
192 static struct {
193 u32 msg_enable;
194 } debug = { -1 };
195
196 enum rtl_registers {
197 MAC0 = 0, /* Ethernet hardware address. */
198 MAC4 = 4,
199 MAR0 = 8, /* Multicast filter. */
200 CounterAddrLow = 0x10,
201 CounterAddrHigh = 0x14,
202 TxDescStartAddrLow = 0x20,
203 TxDescStartAddrHigh = 0x24,
204 TxHDescStartAddrLow = 0x28,
205 TxHDescStartAddrHigh = 0x2c,
206 FLASH = 0x30,
207 ERSR = 0x36,
208 ChipCmd = 0x37,
209 TxPoll = 0x38,
210 IntrMask = 0x3c,
211 IntrStatus = 0x3e,
212 TxConfig = 0x40,
213 RxConfig = 0x44,
214 RxMissed = 0x4c,
215 Cfg9346 = 0x50,
216 Config0 = 0x51,
217 Config1 = 0x52,
218 Config2 = 0x53,
219 Config3 = 0x54,
220 Config4 = 0x55,
221 Config5 = 0x56,
222 MultiIntr = 0x5c,
223 PHYAR = 0x60,
224 PHYstatus = 0x6c,
225 RxMaxSize = 0xda,
226 CPlusCmd = 0xe0,
227 IntrMitigate = 0xe2,
228 RxDescAddrLow = 0xe4,
229 RxDescAddrHigh = 0xe8,
230 EarlyTxThres = 0xec,
231 FuncEvent = 0xf0,
232 FuncEventMask = 0xf4,
233 FuncPresetState = 0xf8,
234 FuncForceEvent = 0xfc,
235 };
236
237 enum rtl8110_registers {
238 TBICSR = 0x64,
239 TBI_ANAR = 0x68,
240 TBI_LPAR = 0x6a,
241 };
242
243 enum rtl8168_8101_registers {
244 CSIDR = 0x64,
245 CSIAR = 0x68,
246 #define CSIAR_FLAG 0x80000000
247 #define CSIAR_WRITE_CMD 0x80000000
248 #define CSIAR_BYTE_ENABLE 0x0f
249 #define CSIAR_BYTE_ENABLE_SHIFT 12
250 #define CSIAR_ADDR_MASK 0x0fff
251
252 EPHYAR = 0x80,
253 #define EPHYAR_FLAG 0x80000000
254 #define EPHYAR_WRITE_CMD 0x80000000
255 #define EPHYAR_REG_MASK 0x1f
256 #define EPHYAR_REG_SHIFT 16
257 #define EPHYAR_DATA_MASK 0xffff
258 DBG_REG = 0xd1,
259 #define FIX_NAK_1 (1 << 4)
260 #define FIX_NAK_2 (1 << 3)
261 EFUSEAR = 0xdc,
262 #define EFUSEAR_FLAG 0x80000000
263 #define EFUSEAR_WRITE_CMD 0x80000000
264 #define EFUSEAR_READ_CMD 0x00000000
265 #define EFUSEAR_REG_MASK 0x03ff
266 #define EFUSEAR_REG_SHIFT 8
267 #define EFUSEAR_DATA_MASK 0xff
268 };
269
270 enum rtl_register_content {
271 /* InterruptStatusBits */
272 SYSErr = 0x8000,
273 PCSTimeout = 0x4000,
274 SWInt = 0x0100,
275 TxDescUnavail = 0x0080,
276 RxFIFOOver = 0x0040,
277 LinkChg = 0x0020,
278 RxOverflow = 0x0010,
279 TxErr = 0x0008,
280 TxOK = 0x0004,
281 RxErr = 0x0002,
282 RxOK = 0x0001,
283
284 /* RxStatusDesc */
285 RxFOVF = (1 << 23),
286 RxRWT = (1 << 22),
287 RxRES = (1 << 21),
288 RxRUNT = (1 << 20),
289 RxCRC = (1 << 19),
290
291 /* ChipCmdBits */
292 CmdReset = 0x10,
293 CmdRxEnb = 0x08,
294 CmdTxEnb = 0x04,
295 RxBufEmpty = 0x01,
296
297 /* TXPoll register p.5 */
298 HPQ = 0x80, /* Poll cmd on the high prio queue */
299 NPQ = 0x40, /* Poll cmd on the low prio queue */
300 FSWInt = 0x01, /* Forced software interrupt */
301
302 /* Cfg9346Bits */
303 Cfg9346_Lock = 0x00,
304 Cfg9346_Unlock = 0xc0,
305
306 /* rx_mode_bits */
307 AcceptErr = 0x20,
308 AcceptRunt = 0x10,
309 AcceptBroadcast = 0x08,
310 AcceptMulticast = 0x04,
311 AcceptMyPhys = 0x02,
312 AcceptAllPhys = 0x01,
313
314 /* RxConfigBits */
315 RxCfgFIFOShift = 13,
316 RxCfgDMAShift = 8,
317
318 /* TxConfigBits */
319 TxInterFrameGapShift = 24,
320 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
321
322 /* Config1 register p.24 */
323 LEDS1 = (1 << 7),
324 LEDS0 = (1 << 6),
325 MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */
326 Speed_down = (1 << 4),
327 MEMMAP = (1 << 3),
328 IOMAP = (1 << 2),
329 VPD = (1 << 1),
330 PMEnable = (1 << 0), /* Power Management Enable */
331
332 /* Config2 register p. 25 */
333 PCI_Clock_66MHz = 0x01,
334 PCI_Clock_33MHz = 0x00,
335
336 /* Config3 register p.25 */
337 MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
338 LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
339 Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */
340
341 /* Config5 register p.27 */
342 BWF = (1 << 6), /* Accept Broadcast wakeup frame */
343 MWF = (1 << 5), /* Accept Multicast wakeup frame */
344 UWF = (1 << 4), /* Accept Unicast wakeup frame */
345 LanWake = (1 << 1), /* LanWake enable/disable */
346 PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
347
348 /* TBICSR p.28 */
349 TBIReset = 0x80000000,
350 TBILoopback = 0x40000000,
351 TBINwEnable = 0x20000000,
352 TBINwRestart = 0x10000000,
353 TBILinkOk = 0x02000000,
354 TBINwComplete = 0x01000000,
355
356 /* CPlusCmd p.31 */
357 EnableBist = (1 << 15), // 8168 8101
358 Mac_dbgo_oe = (1 << 14), // 8168 8101
359 Normal_mode = (1 << 13), // unused
360 Force_half_dup = (1 << 12), // 8168 8101
361 Force_rxflow_en = (1 << 11), // 8168 8101
362 Force_txflow_en = (1 << 10), // 8168 8101
363 Cxpl_dbg_sel = (1 << 9), // 8168 8101
364 ASF = (1 << 8), // 8168 8101
365 PktCntrDisable = (1 << 7), // 8168 8101
366 Mac_dbgo_sel = 0x001c, // 8168
367 RxVlan = (1 << 6),
368 RxChkSum = (1 << 5),
369 PCIDAC = (1 << 4),
370 PCIMulRW = (1 << 3),
371 INTT_0 = 0x0000, // 8168
372 INTT_1 = 0x0001, // 8168
373 INTT_2 = 0x0002, // 8168
374 INTT_3 = 0x0003, // 8168
375
376 /* rtl8169_PHYstatus */
377 TBI_Enable = 0x80,
378 TxFlowCtrl = 0x40,
379 RxFlowCtrl = 0x20,
380 _1000bpsF = 0x10,
381 _100bps = 0x08,
382 _10bps = 0x04,
383 LinkStatus = 0x02,
384 FullDup = 0x01,
385
386 /* _TBICSRBit */
387 TBILinkOK = 0x02000000,
388
389 /* DumpCounterCommand */
390 CounterDump = 0x8,
391 };
392
393 enum desc_status_bit {
394 DescOwn = (1 << 31), /* Descriptor is owned by NIC */
395 RingEnd = (1 << 30), /* End of descriptor ring */
396 FirstFrag = (1 << 29), /* First segment of a packet */
397 LastFrag = (1 << 28), /* Final segment of a packet */
398
399 /* Tx private */
400 LargeSend = (1 << 27), /* TCP Large Send Offload (TSO) */
401 MSSShift = 16, /* MSS value position */
402 MSSMask = 0xfff, /* MSS value + LargeSend bit: 12 bits */
403 IPCS = (1 << 18), /* Calculate IP checksum */
404 UDPCS = (1 << 17), /* Calculate UDP/IP checksum */
405 TCPCS = (1 << 16), /* Calculate TCP/IP checksum */
406 TxVlanTag = (1 << 17), /* Add VLAN tag */
407
408 /* Rx private */
409 PID1 = (1 << 18), /* Protocol ID bit 1/2 */
410 PID0 = (1 << 17), /* Protocol ID bit 2/2 */
411
412 #define RxProtoUDP (PID1)
413 #define RxProtoTCP (PID0)
414 #define RxProtoIP (PID1 | PID0)
415 #define RxProtoMask RxProtoIP
416
417 IPFail = (1 << 16), /* IP checksum failed */
418 UDPFail = (1 << 15), /* UDP/IP checksum failed */
419 TCPFail = (1 << 14), /* TCP/IP checksum failed */
420 RxVlanTag = (1 << 16), /* VLAN tag available */
421 };
422
423 #define RsvdMask 0x3fffc000
424
425 struct TxDesc {
426 __le32 opts1;
427 __le32 opts2;
428 __le64 addr;
429 };
430
431 struct RxDesc {
432 __le32 opts1;
433 __le32 opts2;
434 __le64 addr;
435 };
436
437 struct ring_info {
438 struct sk_buff *skb;
439 u32 len;
440 u8 __pad[sizeof(void *) - sizeof(u32)];
441 };
442
443 enum features {
444 RTL_FEATURE_WOL = (1 << 0),
445 RTL_FEATURE_MSI = (1 << 1),
446 RTL_FEATURE_GMII = (1 << 2),
447 };
448
449 struct rtl8169_counters {
450 __le64 tx_packets;
451 __le64 rx_packets;
452 __le64 tx_errors;
453 __le32 rx_errors;
454 __le16 rx_missed;
455 __le16 align_errors;
456 __le32 tx_one_collision;
457 __le32 tx_multi_collision;
458 __le64 rx_unicast;
459 __le64 rx_broadcast;
460 __le32 rx_multicast;
461 __le16 tx_aborted;
462 __le16 tx_underun;
463 };
464
465 struct rtl8169_private {
466 void __iomem *mmio_addr; /* memory map physical address */
467 struct pci_dev *pci_dev; /* Index of PCI device */
468 struct net_device *dev;
469 struct napi_struct napi;
470 spinlock_t lock; /* spin lock flag */
471 u32 msg_enable;
472 int chipset;
473 int mac_version;
474 u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
475 u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
476 u32 dirty_rx;
477 u32 dirty_tx;
478 struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
479 struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
480 dma_addr_t TxPhyAddr;
481 dma_addr_t RxPhyAddr;
482 void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
483 struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
484 struct timer_list timer;
485 u16 cp_cmd;
486 u16 intr_event;
487 u16 napi_event;
488 u16 intr_mask;
489 int phy_1000_ctrl_reg;
490 #ifdef CONFIG_R8169_VLAN
491 struct vlan_group *vlgrp;
492 #endif
493 int (*set_speed)(struct net_device *, u8 autoneg, u16 speed, u8 duplex);
494 int (*get_settings)(struct net_device *, struct ethtool_cmd *);
495 void (*phy_reset_enable)(void __iomem *);
496 void (*hw_start)(struct net_device *);
497 unsigned int (*phy_reset_pending)(void __iomem *);
498 unsigned int (*link_ok)(void __iomem *);
499 int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
500 int pcie_cap;
501 struct delayed_work task;
502 unsigned features;
503
504 struct mii_if_info mii;
505 struct rtl8169_counters counters;
506 u32 saved_wolopts;
507 };
508
509 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
510 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
511 module_param(use_dac, int, 0);
512 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
513 module_param_named(debug, debug.msg_enable, int, 0);
514 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
515 MODULE_LICENSE("GPL");
516 MODULE_VERSION(RTL8169_VERSION);
517
518 static int rtl8169_open(struct net_device *dev);
519 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
520 struct net_device *dev);
521 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
522 static int rtl8169_init_ring(struct net_device *dev);
523 static void rtl_hw_start(struct net_device *dev);
524 static int rtl8169_close(struct net_device *dev);
525 static void rtl_set_rx_mode(struct net_device *dev);
526 static void rtl8169_tx_timeout(struct net_device *dev);
527 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
528 static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
529 void __iomem *, u32 budget);
530 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
531 static void rtl8169_down(struct net_device *dev);
532 static void rtl8169_rx_clear(struct rtl8169_private *tp);
533 static int rtl8169_poll(struct napi_struct *napi, int budget);
534
535 static const unsigned int rtl8169_rx_config =
536 (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);
537
538 static void mdio_write(void __iomem *ioaddr, int reg_addr, int value)
539 {
540 int i;
541
542 RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
543
544 for (i = 20; i > 0; i--) {
545 /*
546 * Check if the RTL8169 has completed writing to the specified
547 * MII register.
548 */
549 if (!(RTL_R32(PHYAR) & 0x80000000))
550 break;
551 udelay(25);
552 }
553 /*
554 * According to hardware specs a 20us delay is required after write
555 * complete indication, but before sending next command.
556 */
557 udelay(20);
558 }
559
560 static int mdio_read(void __iomem *ioaddr, int reg_addr)
561 {
562 int i, value = -1;
563
564 RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
565
566 for (i = 20; i > 0; i--) {
567 /*
568 * Check if the RTL8169 has completed retrieving data from
569 * the specified MII register.
570 */
571 if (RTL_R32(PHYAR) & 0x80000000) {
572 value = RTL_R32(PHYAR) & 0xffff;
573 break;
574 }
575 udelay(25);
576 }
577 /*
578 * According to hardware specs a 20us delay is required after read
579 * complete indication, but before sending next command.
580 */
581 udelay(20);
582
583 return value;
584 }
585
586 static void mdio_patch(void __iomem *ioaddr, int reg_addr, int value)
587 {
588 mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value);
589 }
590
591 static void mdio_plus_minus(void __iomem *ioaddr, int reg_addr, int p, int m)
592 {
593 int val;
594
595 val = mdio_read(ioaddr, reg_addr);
596 mdio_write(ioaddr, reg_addr, (val | p) & ~m);
597 }
598
599 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
600 int val)
601 {
602 struct rtl8169_private *tp = netdev_priv(dev);
603 void __iomem *ioaddr = tp->mmio_addr;
604
605 mdio_write(ioaddr, location, val);
606 }
607
608 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
609 {
610 struct rtl8169_private *tp = netdev_priv(dev);
611 void __iomem *ioaddr = tp->mmio_addr;
612
613 return mdio_read(ioaddr, location);
614 }
615
616 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
617 {
618 unsigned int i;
619
620 RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
621 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
622
623 for (i = 0; i < 100; i++) {
624 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
625 break;
626 udelay(10);
627 }
628 }
629
630 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
631 {
632 u16 value = 0xffff;
633 unsigned int i;
634
635 RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
636
637 for (i = 0; i < 100; i++) {
638 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
639 value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
640 break;
641 }
642 udelay(10);
643 }
644
645 return value;
646 }
647
648 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
649 {
650 unsigned int i;
651
652 RTL_W32(CSIDR, value);
653 RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
654 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
655
656 for (i = 0; i < 100; i++) {
657 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
658 break;
659 udelay(10);
660 }
661 }
662
663 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
664 {
665 u32 value = ~0x00;
666 unsigned int i;
667
668 RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
669 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
670
671 for (i = 0; i < 100; i++) {
672 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
673 value = RTL_R32(CSIDR);
674 break;
675 }
676 udelay(10);
677 }
678
679 return value;
680 }
681
682 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
683 {
684 u8 value = 0xff;
685 unsigned int i;
686
687 RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
688
689 for (i = 0; i < 300; i++) {
690 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
691 value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
692 break;
693 }
694 udelay(100);
695 }
696
697 return value;
698 }
699
700 static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
701 {
702 RTL_W16(IntrMask, 0x0000);
703
704 RTL_W16(IntrStatus, 0xffff);
705 }
706
707 static void rtl8169_asic_down(void __iomem *ioaddr)
708 {
709 RTL_W8(ChipCmd, 0x00);
710 rtl8169_irq_mask_and_ack(ioaddr);
711 RTL_R16(CPlusCmd);
712 }
713
714 static unsigned int rtl8169_tbi_reset_pending(void __iomem *ioaddr)
715 {
716 return RTL_R32(TBICSR) & TBIReset;
717 }
718
719 static unsigned int rtl8169_xmii_reset_pending(void __iomem *ioaddr)
720 {
721 return mdio_read(ioaddr, MII_BMCR) & BMCR_RESET;
722 }
723
724 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
725 {
726 return RTL_R32(TBICSR) & TBILinkOk;
727 }
728
729 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
730 {
731 return RTL_R8(PHYstatus) & LinkStatus;
732 }
733
734 static void rtl8169_tbi_reset_enable(void __iomem *ioaddr)
735 {
736 RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
737 }
738
739 static void rtl8169_xmii_reset_enable(void __iomem *ioaddr)
740 {
741 unsigned int val;
742
743 val = mdio_read(ioaddr, MII_BMCR) | BMCR_RESET;
744 mdio_write(ioaddr, MII_BMCR, val & 0xffff);
745 }
746
747 static void rtl8169_check_link_status(struct net_device *dev,
748 struct rtl8169_private *tp,
749 void __iomem *ioaddr)
750 {
751 unsigned long flags;
752
753 spin_lock_irqsave(&tp->lock, flags);
754 if (tp->link_ok(ioaddr)) {
755 /* This is to cancel a scheduled suspend if there's one. */
756 pm_request_resume(&tp->pci_dev->dev);
757 netif_carrier_on(dev);
758 netif_info(tp, ifup, dev, "link up\n");
759 } else {
760 netif_carrier_off(dev);
761 netif_info(tp, ifdown, dev, "link down\n");
762 pm_schedule_suspend(&tp->pci_dev->dev, 100);
763 }
764 spin_unlock_irqrestore(&tp->lock, flags);
765 }
766
767 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
768
769 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
770 {
771 void __iomem *ioaddr = tp->mmio_addr;
772 u8 options;
773 u32 wolopts = 0;
774
775 options = RTL_R8(Config1);
776 if (!(options & PMEnable))
777 return 0;
778
779 options = RTL_R8(Config3);
780 if (options & LinkUp)
781 wolopts |= WAKE_PHY;
782 if (options & MagicPacket)
783 wolopts |= WAKE_MAGIC;
784
785 options = RTL_R8(Config5);
786 if (options & UWF)
787 wolopts |= WAKE_UCAST;
788 if (options & BWF)
789 wolopts |= WAKE_BCAST;
790 if (options & MWF)
791 wolopts |= WAKE_MCAST;
792
793 return wolopts;
794 }
795
796 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
797 {
798 struct rtl8169_private *tp = netdev_priv(dev);
799
800 spin_lock_irq(&tp->lock);
801
802 wol->supported = WAKE_ANY;
803 wol->wolopts = __rtl8169_get_wol(tp);
804
805 spin_unlock_irq(&tp->lock);
806 }
807
808 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
809 {
810 void __iomem *ioaddr = tp->mmio_addr;
811 unsigned int i;
812 static const struct {
813 u32 opt;
814 u16 reg;
815 u8 mask;
816 } cfg[] = {
817 { WAKE_ANY, Config1, PMEnable },
818 { WAKE_PHY, Config3, LinkUp },
819 { WAKE_MAGIC, Config3, MagicPacket },
820 { WAKE_UCAST, Config5, UWF },
821 { WAKE_BCAST, Config5, BWF },
822 { WAKE_MCAST, Config5, MWF },
823 { WAKE_ANY, Config5, LanWake }
824 };
825
826 RTL_W8(Cfg9346, Cfg9346_Unlock);
827
828 for (i = 0; i < ARRAY_SIZE(cfg); i++) {
829 u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
830 if (wolopts & cfg[i].opt)
831 options |= cfg[i].mask;
832 RTL_W8(cfg[i].reg, options);
833 }
834
835 RTL_W8(Cfg9346, Cfg9346_Lock);
836 }
837
838 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
839 {
840 struct rtl8169_private *tp = netdev_priv(dev);
841
842 spin_lock_irq(&tp->lock);
843
844 if (wol->wolopts)
845 tp->features |= RTL_FEATURE_WOL;
846 else
847 tp->features &= ~RTL_FEATURE_WOL;
848 __rtl8169_set_wol(tp, wol->wolopts);
849 spin_unlock_irq(&tp->lock);
850
851 device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
852
853 return 0;
854 }
855
856 static void rtl8169_get_drvinfo(struct net_device *dev,
857 struct ethtool_drvinfo *info)
858 {
859 struct rtl8169_private *tp = netdev_priv(dev);
860
861 strcpy(info->driver, MODULENAME);
862 strcpy(info->version, RTL8169_VERSION);
863 strcpy(info->bus_info, pci_name(tp->pci_dev));
864 }
865
866 static int rtl8169_get_regs_len(struct net_device *dev)
867 {
868 return R8169_REGS_SIZE;
869 }
870
871 static int rtl8169_set_speed_tbi(struct net_device *dev,
872 u8 autoneg, u16 speed, u8 duplex)
873 {
874 struct rtl8169_private *tp = netdev_priv(dev);
875 void __iomem *ioaddr = tp->mmio_addr;
876 int ret = 0;
877 u32 reg;
878
879 reg = RTL_R32(TBICSR);
880 if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
881 (duplex == DUPLEX_FULL)) {
882 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
883 } else if (autoneg == AUTONEG_ENABLE)
884 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
885 else {
886 netif_warn(tp, link, dev,
887 "incorrect speed setting refused in TBI mode\n");
888 ret = -EOPNOTSUPP;
889 }
890
891 return ret;
892 }
893
894 static int rtl8169_set_speed_xmii(struct net_device *dev,
895 u8 autoneg, u16 speed, u8 duplex)
896 {
897 struct rtl8169_private *tp = netdev_priv(dev);
898 void __iomem *ioaddr = tp->mmio_addr;
899 int giga_ctrl, bmcr;
900
901 if (autoneg == AUTONEG_ENABLE) {
902 int auto_nego;
903
904 auto_nego = mdio_read(ioaddr, MII_ADVERTISE);
905 auto_nego |= (ADVERTISE_10HALF | ADVERTISE_10FULL |
906 ADVERTISE_100HALF | ADVERTISE_100FULL);
907 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
908
909 giga_ctrl = mdio_read(ioaddr, MII_CTRL1000);
910 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
911
912 /* The 8100e/8101e/8102e do Fast Ethernet only. */
913 if ((tp->mac_version != RTL_GIGA_MAC_VER_07) &&
914 (tp->mac_version != RTL_GIGA_MAC_VER_08) &&
915 (tp->mac_version != RTL_GIGA_MAC_VER_09) &&
916 (tp->mac_version != RTL_GIGA_MAC_VER_10) &&
917 (tp->mac_version != RTL_GIGA_MAC_VER_13) &&
918 (tp->mac_version != RTL_GIGA_MAC_VER_14) &&
919 (tp->mac_version != RTL_GIGA_MAC_VER_15) &&
920 (tp->mac_version != RTL_GIGA_MAC_VER_16)) {
921 giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
922 } else {
923 netif_info(tp, link, dev,
924 "PHY does not support 1000Mbps\n");
925 }
926
927 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
928
929 if ((tp->mac_version == RTL_GIGA_MAC_VER_11) ||
930 (tp->mac_version == RTL_GIGA_MAC_VER_12) ||
931 (tp->mac_version >= RTL_GIGA_MAC_VER_17)) {
932 /*
933 * Wake up the PHY.
934 * Vendor specific (0x1f) and reserved (0x0e) MII
935 * registers.
936 */
937 mdio_write(ioaddr, 0x1f, 0x0000);
938 mdio_write(ioaddr, 0x0e, 0x0000);
939 }
940
941 mdio_write(ioaddr, MII_ADVERTISE, auto_nego);
942 mdio_write(ioaddr, MII_CTRL1000, giga_ctrl);
943 } else {
944 giga_ctrl = 0;
945
946 if (speed == SPEED_10)
947 bmcr = 0;
948 else if (speed == SPEED_100)
949 bmcr = BMCR_SPEED100;
950 else
951 return -EINVAL;
952
953 if (duplex == DUPLEX_FULL)
954 bmcr |= BMCR_FULLDPLX;
955
956 mdio_write(ioaddr, 0x1f, 0x0000);
957 }
958
959 tp->phy_1000_ctrl_reg = giga_ctrl;
960
961 mdio_write(ioaddr, MII_BMCR, bmcr);
962
963 if ((tp->mac_version == RTL_GIGA_MAC_VER_02) ||
964 (tp->mac_version == RTL_GIGA_MAC_VER_03)) {
965 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
966 mdio_write(ioaddr, 0x17, 0x2138);
967 mdio_write(ioaddr, 0x0e, 0x0260);
968 } else {
969 mdio_write(ioaddr, 0x17, 0x2108);
970 mdio_write(ioaddr, 0x0e, 0x0000);
971 }
972 }
973
974 return 0;
975 }
976
977 static int rtl8169_set_speed(struct net_device *dev,
978 u8 autoneg, u16 speed, u8 duplex)
979 {
980 struct rtl8169_private *tp = netdev_priv(dev);
981 int ret;
982
983 ret = tp->set_speed(dev, autoneg, speed, duplex);
984
985 if (netif_running(dev) && (tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL))
986 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
987
988 return ret;
989 }
990
991 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
992 {
993 struct rtl8169_private *tp = netdev_priv(dev);
994 unsigned long flags;
995 int ret;
996
997 spin_lock_irqsave(&tp->lock, flags);
998 ret = rtl8169_set_speed(dev, cmd->autoneg, cmd->speed, cmd->duplex);
999 spin_unlock_irqrestore(&tp->lock, flags);
1000
1001 return ret;
1002 }
1003
1004 static u32 rtl8169_get_rx_csum(struct net_device *dev)
1005 {
1006 struct rtl8169_private *tp = netdev_priv(dev);
1007
1008 return tp->cp_cmd & RxChkSum;
1009 }
1010
1011 static int rtl8169_set_rx_csum(struct net_device *dev, u32 data)
1012 {
1013 struct rtl8169_private *tp = netdev_priv(dev);
1014 void __iomem *ioaddr = tp->mmio_addr;
1015 unsigned long flags;
1016
1017 spin_lock_irqsave(&tp->lock, flags);
1018
1019 if (data)
1020 tp->cp_cmd |= RxChkSum;
1021 else
1022 tp->cp_cmd &= ~RxChkSum;
1023
1024 RTL_W16(CPlusCmd, tp->cp_cmd);
1025 RTL_R16(CPlusCmd);
1026
1027 spin_unlock_irqrestore(&tp->lock, flags);
1028
1029 return 0;
1030 }
1031
1032 #ifdef CONFIG_R8169_VLAN
1033
1034 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1035 struct sk_buff *skb)
1036 {
1037 return (vlan_tx_tag_present(skb)) ?
1038 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1039 }
1040
1041 static void rtl8169_vlan_rx_register(struct net_device *dev,
1042 struct vlan_group *grp)
1043 {
1044 struct rtl8169_private *tp = netdev_priv(dev);
1045 void __iomem *ioaddr = tp->mmio_addr;
1046 unsigned long flags;
1047
1048 spin_lock_irqsave(&tp->lock, flags);
1049 tp->vlgrp = grp;
1050 /*
1051 * Do not disable RxVlan on 8110SCd.
1052 */
1053 if (tp->vlgrp || (tp->mac_version == RTL_GIGA_MAC_VER_05))
1054 tp->cp_cmd |= RxVlan;
1055 else
1056 tp->cp_cmd &= ~RxVlan;
1057 RTL_W16(CPlusCmd, tp->cp_cmd);
1058 RTL_R16(CPlusCmd);
1059 spin_unlock_irqrestore(&tp->lock, flags);
1060 }
1061
1062 static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc,
1063 struct sk_buff *skb, int polling)
1064 {
1065 u32 opts2 = le32_to_cpu(desc->opts2);
1066 struct vlan_group *vlgrp = tp->vlgrp;
1067 int ret;
1068
1069 if (vlgrp && (opts2 & RxVlanTag)) {
1070 u16 vtag = swab16(opts2 & 0xffff);
1071
1072 if (likely(polling))
1073 vlan_gro_receive(&tp->napi, vlgrp, vtag, skb);
1074 else
1075 __vlan_hwaccel_rx(skb, vlgrp, vtag, polling);
1076 ret = 0;
1077 } else
1078 ret = -1;
1079 desc->opts2 = 0;
1080 return ret;
1081 }
1082
1083 #else /* !CONFIG_R8169_VLAN */
1084
1085 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1086 struct sk_buff *skb)
1087 {
1088 return 0;
1089 }
1090
1091 static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc,
1092 struct sk_buff *skb, int polling)
1093 {
1094 return -1;
1095 }
1096
1097 #endif
1098
1099 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1100 {
1101 struct rtl8169_private *tp = netdev_priv(dev);
1102 void __iomem *ioaddr = tp->mmio_addr;
1103 u32 status;
1104
1105 cmd->supported =
1106 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1107 cmd->port = PORT_FIBRE;
1108 cmd->transceiver = XCVR_INTERNAL;
1109
1110 status = RTL_R32(TBICSR);
1111 cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0;
1112 cmd->autoneg = !!(status & TBINwEnable);
1113
1114 cmd->speed = SPEED_1000;
1115 cmd->duplex = DUPLEX_FULL; /* Always set */
1116
1117 return 0;
1118 }
1119
1120 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1121 {
1122 struct rtl8169_private *tp = netdev_priv(dev);
1123
1124 return mii_ethtool_gset(&tp->mii, cmd);
1125 }
1126
1127 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1128 {
1129 struct rtl8169_private *tp = netdev_priv(dev);
1130 unsigned long flags;
1131 int rc;
1132
1133 spin_lock_irqsave(&tp->lock, flags);
1134
1135 rc = tp->get_settings(dev, cmd);
1136
1137 spin_unlock_irqrestore(&tp->lock, flags);
1138 return rc;
1139 }
1140
1141 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1142 void *p)
1143 {
1144 struct rtl8169_private *tp = netdev_priv(dev);
1145 unsigned long flags;
1146
1147 if (regs->len > R8169_REGS_SIZE)
1148 regs->len = R8169_REGS_SIZE;
1149
1150 spin_lock_irqsave(&tp->lock, flags);
1151 memcpy_fromio(p, tp->mmio_addr, regs->len);
1152 spin_unlock_irqrestore(&tp->lock, flags);
1153 }
1154
1155 static u32 rtl8169_get_msglevel(struct net_device *dev)
1156 {
1157 struct rtl8169_private *tp = netdev_priv(dev);
1158
1159 return tp->msg_enable;
1160 }
1161
1162 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1163 {
1164 struct rtl8169_private *tp = netdev_priv(dev);
1165
1166 tp->msg_enable = value;
1167 }
1168
1169 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1170 "tx_packets",
1171 "rx_packets",
1172 "tx_errors",
1173 "rx_errors",
1174 "rx_missed",
1175 "align_errors",
1176 "tx_single_collisions",
1177 "tx_multi_collisions",
1178 "unicast",
1179 "broadcast",
1180 "multicast",
1181 "tx_aborted",
1182 "tx_underrun",
1183 };
1184
1185 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1186 {
1187 switch (sset) {
1188 case ETH_SS_STATS:
1189 return ARRAY_SIZE(rtl8169_gstrings);
1190 default:
1191 return -EOPNOTSUPP;
1192 }
1193 }
1194
1195 static void rtl8169_update_counters(struct net_device *dev)
1196 {
1197 struct rtl8169_private *tp = netdev_priv(dev);
1198 void __iomem *ioaddr = tp->mmio_addr;
1199 struct rtl8169_counters *counters;
1200 dma_addr_t paddr;
1201 u32 cmd;
1202 int wait = 1000;
1203 struct device *d = &tp->pci_dev->dev;
1204
1205 /*
1206 * Some chips are unable to dump tally counters when the receiver
1207 * is disabled.
1208 */
1209 if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1210 return;
1211
1212 counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1213 if (!counters)
1214 return;
1215
1216 RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1217 cmd = (u64)paddr & DMA_BIT_MASK(32);
1218 RTL_W32(CounterAddrLow, cmd);
1219 RTL_W32(CounterAddrLow, cmd | CounterDump);
1220
1221 while (wait--) {
1222 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1223 /* copy updated counters */
1224 memcpy(&tp->counters, counters, sizeof(*counters));
1225 break;
1226 }
1227 udelay(10);
1228 }
1229
1230 RTL_W32(CounterAddrLow, 0);
1231 RTL_W32(CounterAddrHigh, 0);
1232
1233 dma_free_coherent(d, sizeof(*counters), counters, paddr);
1234 }
1235
1236 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1237 struct ethtool_stats *stats, u64 *data)
1238 {
1239 struct rtl8169_private *tp = netdev_priv(dev);
1240
1241 ASSERT_RTNL();
1242
1243 rtl8169_update_counters(dev);
1244
1245 data[0] = le64_to_cpu(tp->counters.tx_packets);
1246 data[1] = le64_to_cpu(tp->counters.rx_packets);
1247 data[2] = le64_to_cpu(tp->counters.tx_errors);
1248 data[3] = le32_to_cpu(tp->counters.rx_errors);
1249 data[4] = le16_to_cpu(tp->counters.rx_missed);
1250 data[5] = le16_to_cpu(tp->counters.align_errors);
1251 data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1252 data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1253 data[8] = le64_to_cpu(tp->counters.rx_unicast);
1254 data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1255 data[10] = le32_to_cpu(tp->counters.rx_multicast);
1256 data[11] = le16_to_cpu(tp->counters.tx_aborted);
1257 data[12] = le16_to_cpu(tp->counters.tx_underun);
1258 }
1259
1260 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1261 {
1262 switch(stringset) {
1263 case ETH_SS_STATS:
1264 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1265 break;
1266 }
1267 }
1268
1269 static const struct ethtool_ops rtl8169_ethtool_ops = {
1270 .get_drvinfo = rtl8169_get_drvinfo,
1271 .get_regs_len = rtl8169_get_regs_len,
1272 .get_link = ethtool_op_get_link,
1273 .get_settings = rtl8169_get_settings,
1274 .set_settings = rtl8169_set_settings,
1275 .get_msglevel = rtl8169_get_msglevel,
1276 .set_msglevel = rtl8169_set_msglevel,
1277 .get_rx_csum = rtl8169_get_rx_csum,
1278 .set_rx_csum = rtl8169_set_rx_csum,
1279 .set_tx_csum = ethtool_op_set_tx_csum,
1280 .set_sg = ethtool_op_set_sg,
1281 .set_tso = ethtool_op_set_tso,
1282 .get_regs = rtl8169_get_regs,
1283 .get_wol = rtl8169_get_wol,
1284 .set_wol = rtl8169_set_wol,
1285 .get_strings = rtl8169_get_strings,
1286 .get_sset_count = rtl8169_get_sset_count,
1287 .get_ethtool_stats = rtl8169_get_ethtool_stats,
1288 };
1289
1290 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1291 void __iomem *ioaddr)
1292 {
1293 /*
1294 * The driver currently handles the 8168Bf and the 8168Be identically
1295 * but they can be identified more specifically through the test below
1296 * if needed:
1297 *
1298 * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1299 *
1300 * Same thing for the 8101Eb and the 8101Ec:
1301 *
1302 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1303 */
1304 static const struct {
1305 u32 mask;
1306 u32 val;
1307 int mac_version;
1308 } mac_info[] = {
1309 /* 8168D family. */
1310 { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 },
1311 { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 },
1312 { 0x7c800000, 0x28800000, RTL_GIGA_MAC_VER_27 },
1313 { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 },
1314
1315 /* 8168C family. */
1316 { 0x7cf00000, 0x3cb00000, RTL_GIGA_MAC_VER_24 },
1317 { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 },
1318 { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
1319 { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 },
1320 { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
1321 { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
1322 { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 },
1323 { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 },
1324 { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 },
1325
1326 /* 8168B family. */
1327 { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 },
1328 { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 },
1329 { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 },
1330 { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },
1331
1332 /* 8101 family. */
1333 { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 },
1334 { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 },
1335 { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 },
1336 { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 },
1337 { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 },
1338 { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 },
1339 { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
1340 { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 },
1341 { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
1342 { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 },
1343 { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 },
1344 { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 },
1345 /* FIXME: where did these entries come from ? -- FR */
1346 { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 },
1347 { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 },
1348
1349 /* 8110 family. */
1350 { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 },
1351 { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 },
1352 { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 },
1353 { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 },
1354 { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 },
1355 { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 },
1356
1357 /* Catch-all */
1358 { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE }
1359 }, *p = mac_info;
1360 u32 reg;
1361
1362 reg = RTL_R32(TxConfig);
1363 while ((reg & p->mask) != p->val)
1364 p++;
1365 tp->mac_version = p->mac_version;
1366 }
1367
1368 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1369 {
1370 dprintk("mac_version = 0x%02x\n", tp->mac_version);
1371 }
1372
1373 struct phy_reg {
1374 u16 reg;
1375 u16 val;
1376 };
1377
1378 static void rtl_phy_write(void __iomem *ioaddr, const struct phy_reg *regs, int len)
1379 {
1380 while (len-- > 0) {
1381 mdio_write(ioaddr, regs->reg, regs->val);
1382 regs++;
1383 }
1384 }
1385
1386 static void rtl8169s_hw_phy_config(void __iomem *ioaddr)
1387 {
1388 static const struct phy_reg phy_reg_init[] = {
1389 { 0x1f, 0x0001 },
1390 { 0x06, 0x006e },
1391 { 0x08, 0x0708 },
1392 { 0x15, 0x4000 },
1393 { 0x18, 0x65c7 },
1394
1395 { 0x1f, 0x0001 },
1396 { 0x03, 0x00a1 },
1397 { 0x02, 0x0008 },
1398 { 0x01, 0x0120 },
1399 { 0x00, 0x1000 },
1400 { 0x04, 0x0800 },
1401 { 0x04, 0x0000 },
1402
1403 { 0x03, 0xff41 },
1404 { 0x02, 0xdf60 },
1405 { 0x01, 0x0140 },
1406 { 0x00, 0x0077 },
1407 { 0x04, 0x7800 },
1408 { 0x04, 0x7000 },
1409
1410 { 0x03, 0x802f },
1411 { 0x02, 0x4f02 },
1412 { 0x01, 0x0409 },
1413 { 0x00, 0xf0f9 },
1414 { 0x04, 0x9800 },
1415 { 0x04, 0x9000 },
1416
1417 { 0x03, 0xdf01 },
1418 { 0x02, 0xdf20 },
1419 { 0x01, 0xff95 },
1420 { 0x00, 0xba00 },
1421 { 0x04, 0xa800 },
1422 { 0x04, 0xa000 },
1423
1424 { 0x03, 0xff41 },
1425 { 0x02, 0xdf20 },
1426 { 0x01, 0x0140 },
1427 { 0x00, 0x00bb },
1428 { 0x04, 0xb800 },
1429 { 0x04, 0xb000 },
1430
1431 { 0x03, 0xdf41 },
1432 { 0x02, 0xdc60 },
1433 { 0x01, 0x6340 },
1434 { 0x00, 0x007d },
1435 { 0x04, 0xd800 },
1436 { 0x04, 0xd000 },
1437
1438 { 0x03, 0xdf01 },
1439 { 0x02, 0xdf20 },
1440 { 0x01, 0x100a },
1441 { 0x00, 0xa0ff },
1442 { 0x04, 0xf800 },
1443 { 0x04, 0xf000 },
1444
1445 { 0x1f, 0x0000 },
1446 { 0x0b, 0x0000 },
1447 { 0x00, 0x9200 }
1448 };
1449
1450 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1451 }
1452
1453 static void rtl8169sb_hw_phy_config(void __iomem *ioaddr)
1454 {
1455 static const struct phy_reg phy_reg_init[] = {
1456 { 0x1f, 0x0002 },
1457 { 0x01, 0x90d0 },
1458 { 0x1f, 0x0000 }
1459 };
1460
1461 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1462 }
1463
1464 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp,
1465 void __iomem *ioaddr)
1466 {
1467 struct pci_dev *pdev = tp->pci_dev;
1468 u16 vendor_id, device_id;
1469
1470 pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id);
1471 pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &device_id);
1472
1473 if ((vendor_id != PCI_VENDOR_ID_GIGABYTE) || (device_id != 0xe000))
1474 return;
1475
1476 mdio_write(ioaddr, 0x1f, 0x0001);
1477 mdio_write(ioaddr, 0x10, 0xf01b);
1478 mdio_write(ioaddr, 0x1f, 0x0000);
1479 }
1480
1481 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp,
1482 void __iomem *ioaddr)
1483 {
1484 static const struct phy_reg phy_reg_init[] = {
1485 { 0x1f, 0x0001 },
1486 { 0x04, 0x0000 },
1487 { 0x03, 0x00a1 },
1488 { 0x02, 0x0008 },
1489 { 0x01, 0x0120 },
1490 { 0x00, 0x1000 },
1491 { 0x04, 0x0800 },
1492 { 0x04, 0x9000 },
1493 { 0x03, 0x802f },
1494 { 0x02, 0x4f02 },
1495 { 0x01, 0x0409 },
1496 { 0x00, 0xf099 },
1497 { 0x04, 0x9800 },
1498 { 0x04, 0xa000 },
1499 { 0x03, 0xdf01 },
1500 { 0x02, 0xdf20 },
1501 { 0x01, 0xff95 },
1502 { 0x00, 0xba00 },
1503 { 0x04, 0xa800 },
1504 { 0x04, 0xf000 },
1505 { 0x03, 0xdf01 },
1506 { 0x02, 0xdf20 },
1507 { 0x01, 0x101a },
1508 { 0x00, 0xa0ff },
1509 { 0x04, 0xf800 },
1510 { 0x04, 0x0000 },
1511 { 0x1f, 0x0000 },
1512
1513 { 0x1f, 0x0001 },
1514 { 0x10, 0xf41b },
1515 { 0x14, 0xfb54 },
1516 { 0x18, 0xf5c7 },
1517 { 0x1f, 0x0000 },
1518
1519 { 0x1f, 0x0001 },
1520 { 0x17, 0x0cc0 },
1521 { 0x1f, 0x0000 }
1522 };
1523
1524 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1525
1526 rtl8169scd_hw_phy_config_quirk(tp, ioaddr);
1527 }
1528
1529 static void rtl8169sce_hw_phy_config(void __iomem *ioaddr)
1530 {
1531 static const struct phy_reg phy_reg_init[] = {
1532 { 0x1f, 0x0001 },
1533 { 0x04, 0x0000 },
1534 { 0x03, 0x00a1 },
1535 { 0x02, 0x0008 },
1536 { 0x01, 0x0120 },
1537 { 0x00, 0x1000 },
1538 { 0x04, 0x0800 },
1539 { 0x04, 0x9000 },
1540 { 0x03, 0x802f },
1541 { 0x02, 0x4f02 },
1542 { 0x01, 0x0409 },
1543 { 0x00, 0xf099 },
1544 { 0x04, 0x9800 },
1545 { 0x04, 0xa000 },
1546 { 0x03, 0xdf01 },
1547 { 0x02, 0xdf20 },
1548 { 0x01, 0xff95 },
1549 { 0x00, 0xba00 },
1550 { 0x04, 0xa800 },
1551 { 0x04, 0xf000 },
1552 { 0x03, 0xdf01 },
1553 { 0x02, 0xdf20 },
1554 { 0x01, 0x101a },
1555 { 0x00, 0xa0ff },
1556 { 0x04, 0xf800 },
1557 { 0x04, 0x0000 },
1558 { 0x1f, 0x0000 },
1559
1560 { 0x1f, 0x0001 },
1561 { 0x0b, 0x8480 },
1562 { 0x1f, 0x0000 },
1563
1564 { 0x1f, 0x0001 },
1565 { 0x18, 0x67c7 },
1566 { 0x04, 0x2000 },
1567 { 0x03, 0x002f },
1568 { 0x02, 0x4360 },
1569 { 0x01, 0x0109 },
1570 { 0x00, 0x3022 },
1571 { 0x04, 0x2800 },
1572 { 0x1f, 0x0000 },
1573
1574 { 0x1f, 0x0001 },
1575 { 0x17, 0x0cc0 },
1576 { 0x1f, 0x0000 }
1577 };
1578
1579 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1580 }
1581
1582 static void rtl8168bb_hw_phy_config(void __iomem *ioaddr)
1583 {
1584 static const struct phy_reg phy_reg_init[] = {
1585 { 0x10, 0xf41b },
1586 { 0x1f, 0x0000 }
1587 };
1588
1589 mdio_write(ioaddr, 0x1f, 0x0001);
1590 mdio_patch(ioaddr, 0x16, 1 << 0);
1591
1592 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1593 }
1594
1595 static void rtl8168bef_hw_phy_config(void __iomem *ioaddr)
1596 {
1597 static const struct phy_reg phy_reg_init[] = {
1598 { 0x1f, 0x0001 },
1599 { 0x10, 0xf41b },
1600 { 0x1f, 0x0000 }
1601 };
1602
1603 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1604 }
1605
1606 static void rtl8168cp_1_hw_phy_config(void __iomem *ioaddr)
1607 {
1608 static const struct phy_reg phy_reg_init[] = {
1609 { 0x1f, 0x0000 },
1610 { 0x1d, 0x0f00 },
1611 { 0x1f, 0x0002 },
1612 { 0x0c, 0x1ec8 },
1613 { 0x1f, 0x0000 }
1614 };
1615
1616 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1617 }
1618
1619 static void rtl8168cp_2_hw_phy_config(void __iomem *ioaddr)
1620 {
1621 static const struct phy_reg phy_reg_init[] = {
1622 { 0x1f, 0x0001 },
1623 { 0x1d, 0x3d98 },
1624 { 0x1f, 0x0000 }
1625 };
1626
1627 mdio_write(ioaddr, 0x1f, 0x0000);
1628 mdio_patch(ioaddr, 0x14, 1 << 5);
1629 mdio_patch(ioaddr, 0x0d, 1 << 5);
1630
1631 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1632 }
1633
1634 static void rtl8168c_1_hw_phy_config(void __iomem *ioaddr)
1635 {
1636 static const struct phy_reg phy_reg_init[] = {
1637 { 0x1f, 0x0001 },
1638 { 0x12, 0x2300 },
1639 { 0x1f, 0x0002 },
1640 { 0x00, 0x88d4 },
1641 { 0x01, 0x82b1 },
1642 { 0x03, 0x7002 },
1643 { 0x08, 0x9e30 },
1644 { 0x09, 0x01f0 },
1645 { 0x0a, 0x5500 },
1646 { 0x0c, 0x00c8 },
1647 { 0x1f, 0x0003 },
1648 { 0x12, 0xc096 },
1649 { 0x16, 0x000a },
1650 { 0x1f, 0x0000 },
1651 { 0x1f, 0x0000 },
1652 { 0x09, 0x2000 },
1653 { 0x09, 0x0000 }
1654 };
1655
1656 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1657
1658 mdio_patch(ioaddr, 0x14, 1 << 5);
1659 mdio_patch(ioaddr, 0x0d, 1 << 5);
1660 mdio_write(ioaddr, 0x1f, 0x0000);
1661 }
1662
1663 static void rtl8168c_2_hw_phy_config(void __iomem *ioaddr)
1664 {
1665 static const struct phy_reg phy_reg_init[] = {
1666 { 0x1f, 0x0001 },
1667 { 0x12, 0x2300 },
1668 { 0x03, 0x802f },
1669 { 0x02, 0x4f02 },
1670 { 0x01, 0x0409 },
1671 { 0x00, 0xf099 },
1672 { 0x04, 0x9800 },
1673 { 0x04, 0x9000 },
1674 { 0x1d, 0x3d98 },
1675 { 0x1f, 0x0002 },
1676 { 0x0c, 0x7eb8 },
1677 { 0x06, 0x0761 },
1678 { 0x1f, 0x0003 },
1679 { 0x16, 0x0f0a },
1680 { 0x1f, 0x0000 }
1681 };
1682
1683 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1684
1685 mdio_patch(ioaddr, 0x16, 1 << 0);
1686 mdio_patch(ioaddr, 0x14, 1 << 5);
1687 mdio_patch(ioaddr, 0x0d, 1 << 5);
1688 mdio_write(ioaddr, 0x1f, 0x0000);
1689 }
1690
1691 static void rtl8168c_3_hw_phy_config(void __iomem *ioaddr)
1692 {
1693 static const struct phy_reg phy_reg_init[] = {
1694 { 0x1f, 0x0001 },
1695 { 0x12, 0x2300 },
1696 { 0x1d, 0x3d98 },
1697 { 0x1f, 0x0002 },
1698 { 0x0c, 0x7eb8 },
1699 { 0x06, 0x5461 },
1700 { 0x1f, 0x0003 },
1701 { 0x16, 0x0f0a },
1702 { 0x1f, 0x0000 }
1703 };
1704
1705 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1706
1707 mdio_patch(ioaddr, 0x16, 1 << 0);
1708 mdio_patch(ioaddr, 0x14, 1 << 5);
1709 mdio_patch(ioaddr, 0x0d, 1 << 5);
1710 mdio_write(ioaddr, 0x1f, 0x0000);
1711 }
1712
1713 static void rtl8168c_4_hw_phy_config(void __iomem *ioaddr)
1714 {
1715 rtl8168c_3_hw_phy_config(ioaddr);
1716 }
1717
1718 static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr)
1719 {
1720 static const struct phy_reg phy_reg_init_0[] = {
1721 { 0x1f, 0x0001 },
1722 { 0x06, 0x4064 },
1723 { 0x07, 0x2863 },
1724 { 0x08, 0x059c },
1725 { 0x09, 0x26b4 },
1726 { 0x0a, 0x6a19 },
1727 { 0x0b, 0xdcc8 },
1728 { 0x10, 0xf06d },
1729 { 0x14, 0x7f68 },
1730 { 0x18, 0x7fd9 },
1731 { 0x1c, 0xf0ff },
1732 { 0x1d, 0x3d9c },
1733 { 0x1f, 0x0003 },
1734 { 0x12, 0xf49f },
1735 { 0x13, 0x070b },
1736 { 0x1a, 0x05ad },
1737 { 0x14, 0x94c0 }
1738 };
1739 static const struct phy_reg phy_reg_init_1[] = {
1740 { 0x1f, 0x0002 },
1741 { 0x06, 0x5561 },
1742 { 0x1f, 0x0005 },
1743 { 0x05, 0x8332 },
1744 { 0x06, 0x5561 }
1745 };
1746 static const struct phy_reg phy_reg_init_2[] = {
1747 { 0x1f, 0x0005 },
1748 { 0x05, 0xffc2 },
1749 { 0x1f, 0x0005 },
1750 { 0x05, 0x8000 },
1751 { 0x06, 0xf8f9 },
1752 { 0x06, 0xfaef },
1753 { 0x06, 0x59ee },
1754 { 0x06, 0xf8ea },
1755 { 0x06, 0x00ee },
1756 { 0x06, 0xf8eb },
1757 { 0x06, 0x00e0 },
1758 { 0x06, 0xf87c },
1759 { 0x06, 0xe1f8 },
1760 { 0x06, 0x7d59 },
1761 { 0x06, 0x0fef },
1762 { 0x06, 0x0139 },
1763 { 0x06, 0x029e },
1764 { 0x06, 0x06ef },
1765 { 0x06, 0x1039 },
1766 { 0x06, 0x089f },
1767 { 0x06, 0x2aee },
1768 { 0x06, 0xf8ea },
1769 { 0x06, 0x00ee },
1770 { 0x06, 0xf8eb },
1771 { 0x06, 0x01e0 },
1772 { 0x06, 0xf87c },
1773 { 0x06, 0xe1f8 },
1774 { 0x06, 0x7d58 },
1775 { 0x06, 0x409e },
1776 { 0x06, 0x0f39 },
1777 { 0x06, 0x46aa },
1778 { 0x06, 0x0bbf },
1779 { 0x06, 0x8290 },
1780 { 0x06, 0xd682 },
1781 { 0x06, 0x9802 },
1782 { 0x06, 0x014f },
1783 { 0x06, 0xae09 },
1784 { 0x06, 0xbf82 },
1785 { 0x06, 0x98d6 },
1786 { 0x06, 0x82a0 },
1787 { 0x06, 0x0201 },
1788 { 0x06, 0x4fef },
1789 { 0x06, 0x95fe },
1790 { 0x06, 0xfdfc },
1791 { 0x06, 0x05f8 },
1792 { 0x06, 0xf9fa },
1793 { 0x06, 0xeef8 },
1794 { 0x06, 0xea00 },
1795 { 0x06, 0xeef8 },
1796 { 0x06, 0xeb00 },
1797 { 0x06, 0xe2f8 },
1798 { 0x06, 0x7ce3 },
1799 { 0x06, 0xf87d },
1800 { 0x06, 0xa511 },
1801 { 0x06, 0x1112 },
1802 { 0x06, 0xd240 },
1803 { 0x06, 0xd644 },
1804 { 0x06, 0x4402 },
1805 { 0x06, 0x8217 },
1806 { 0x06, 0xd2a0 },
1807 { 0x06, 0xd6aa },
1808 { 0x06, 0xaa02 },
1809 { 0x06, 0x8217 },
1810 { 0x06, 0xae0f },
1811 { 0x06, 0xa544 },
1812 { 0x06, 0x4402 },
1813 { 0x06, 0xae4d },
1814 { 0x06, 0xa5aa },
1815 { 0x06, 0xaa02 },
1816 { 0x06, 0xae47 },
1817 { 0x06, 0xaf82 },
1818 { 0x06, 0x13ee },
1819 { 0x06, 0x834e },
1820 { 0x06, 0x00ee },
1821 { 0x06, 0x834d },
1822 { 0x06, 0x0fee },
1823 { 0x06, 0x834c },
1824 { 0x06, 0x0fee },
1825 { 0x06, 0x834f },
1826 { 0x06, 0x00ee },
1827 { 0x06, 0x8351 },
1828 { 0x06, 0x00ee },
1829 { 0x06, 0x834a },
1830 { 0x06, 0xffee },
1831 { 0x06, 0x834b },
1832 { 0x06, 0xffe0 },
1833 { 0x06, 0x8330 },
1834 { 0x06, 0xe183 },
1835 { 0x06, 0x3158 },
1836 { 0x06, 0xfee4 },
1837 { 0x06, 0xf88a },
1838 { 0x06, 0xe5f8 },
1839 { 0x06, 0x8be0 },
1840 { 0x06, 0x8332 },
1841 { 0x06, 0xe183 },
1842 { 0x06, 0x3359 },
1843 { 0x06, 0x0fe2 },
1844 { 0x06, 0x834d },
1845 { 0x06, 0x0c24 },
1846 { 0x06, 0x5af0 },
1847 { 0x06, 0x1e12 },
1848 { 0x06, 0xe4f8 },
1849 { 0x06, 0x8ce5 },
1850 { 0x06, 0xf88d },
1851 { 0x06, 0xaf82 },
1852 { 0x06, 0x13e0 },
1853 { 0x06, 0x834f },
1854 { 0x06, 0x10e4 },
1855 { 0x06, 0x834f },
1856 { 0x06, 0xe083 },
1857 { 0x06, 0x4e78 },
1858 { 0x06, 0x009f },
1859 { 0x06, 0x0ae0 },
1860 { 0x06, 0x834f },
1861 { 0x06, 0xa010 },
1862 { 0x06, 0xa5ee },
1863 { 0x06, 0x834e },
1864 { 0x06, 0x01e0 },
1865 { 0x06, 0x834e },
1866 { 0x06, 0x7805 },
1867 { 0x06, 0x9e9a },
1868 { 0x06, 0xe083 },
1869 { 0x06, 0x4e78 },
1870 { 0x06, 0x049e },
1871 { 0x06, 0x10e0 },
1872 { 0x06, 0x834e },
1873 { 0x06, 0x7803 },
1874 { 0x06, 0x9e0f },
1875 { 0x06, 0xe083 },
1876 { 0x06, 0x4e78 },
1877 { 0x06, 0x019e },
1878 { 0x06, 0x05ae },
1879 { 0x06, 0x0caf },
1880 { 0x06, 0x81f8 },
1881 { 0x06, 0xaf81 },
1882 { 0x06, 0xa3af },
1883 { 0x06, 0x81dc },
1884 { 0x06, 0xaf82 },
1885 { 0x06, 0x13ee },
1886 { 0x06, 0x8348 },
1887 { 0x06, 0x00ee },
1888 { 0x06, 0x8349 },
1889 { 0x06, 0x00e0 },
1890 { 0x06, 0x8351 },
1891 { 0x06, 0x10e4 },
1892 { 0x06, 0x8351 },
1893 { 0x06, 0x5801 },
1894 { 0x06, 0x9fea },
1895 { 0x06, 0xd000 },
1896 { 0x06, 0xd180 },
1897 { 0x06, 0x1f66 },
1898 { 0x06, 0xe2f8 },
1899 { 0x06, 0xeae3 },
1900 { 0x06, 0xf8eb },
1901 { 0x06, 0x5af8 },
1902 { 0x06, 0x1e20 },
1903 { 0x06, 0xe6f8 },
1904 { 0x06, 0xeae5 },
1905 { 0x06, 0xf8eb },
1906 { 0x06, 0xd302 },
1907 { 0x06, 0xb3fe },
1908 { 0x06, 0xe2f8 },
1909 { 0x06, 0x7cef },
1910 { 0x06, 0x325b },
1911 { 0x06, 0x80e3 },
1912 { 0x06, 0xf87d },
1913 { 0x06, 0x9e03 },
1914 { 0x06, 0x7dff },
1915 { 0x06, 0xff0d },
1916 { 0x06, 0x581c },
1917 { 0x06, 0x551a },
1918 { 0x06, 0x6511 },
1919 { 0x06, 0xa190 },
1920 { 0x06, 0xd3e2 },
1921 { 0x06, 0x8348 },
1922 { 0x06, 0xe383 },
1923 { 0x06, 0x491b },
1924 { 0x06, 0x56ab },
1925 { 0x06, 0x08ef },
1926 { 0x06, 0x56e6 },
1927 { 0x06, 0x8348 },
1928 { 0x06, 0xe783 },
1929 { 0x06, 0x4910 },
1930 { 0x06, 0xd180 },
1931 { 0x06, 0x1f66 },
1932 { 0x06, 0xa004 },
1933 { 0x06, 0xb9e2 },
1934 { 0x06, 0x8348 },
1935 { 0x06, 0xe383 },
1936 { 0x06, 0x49ef },
1937 { 0x06, 0x65e2 },
1938 { 0x06, 0x834a },
1939 { 0x06, 0xe383 },
1940 { 0x06, 0x4b1b },
1941 { 0x06, 0x56aa },
1942 { 0x06, 0x0eef },
1943 { 0x06, 0x56e6 },
1944 { 0x06, 0x834a },
1945 { 0x06, 0xe783 },
1946 { 0x06, 0x4be2 },
1947 { 0x06, 0x834d },
1948 { 0x06, 0xe683 },
1949 { 0x06, 0x4ce0 },
1950 { 0x06, 0x834d },
1951 { 0x06, 0xa000 },
1952 { 0x06, 0x0caf },
1953 { 0x06, 0x81dc },
1954 { 0x06, 0xe083 },
1955 { 0x06, 0x4d10 },
1956 { 0x06, 0xe483 },
1957 { 0x06, 0x4dae },
1958 { 0x06, 0x0480 },
1959 { 0x06, 0xe483 },
1960 { 0x06, 0x4de0 },
1961 { 0x06, 0x834e },
1962 { 0x06, 0x7803 },
1963 { 0x06, 0x9e0b },
1964 { 0x06, 0xe083 },
1965 { 0x06, 0x4e78 },
1966 { 0x06, 0x049e },
1967 { 0x06, 0x04ee },
1968 { 0x06, 0x834e },
1969 { 0x06, 0x02e0 },
1970 { 0x06, 0x8332 },
1971 { 0x06, 0xe183 },
1972 { 0x06, 0x3359 },
1973 { 0x06, 0x0fe2 },
1974 { 0x06, 0x834d },
1975 { 0x06, 0x0c24 },
1976 { 0x06, 0x5af0 },
1977 { 0x06, 0x1e12 },
1978 { 0x06, 0xe4f8 },
1979 { 0x06, 0x8ce5 },
1980 { 0x06, 0xf88d },
1981 { 0x06, 0xe083 },
1982 { 0x06, 0x30e1 },
1983 { 0x06, 0x8331 },
1984 { 0x06, 0x6801 },
1985 { 0x06, 0xe4f8 },
1986 { 0x06, 0x8ae5 },
1987 { 0x06, 0xf88b },
1988 { 0x06, 0xae37 },
1989 { 0x06, 0xee83 },
1990 { 0x06, 0x4e03 },
1991 { 0x06, 0xe083 },
1992 { 0x06, 0x4ce1 },
1993 { 0x06, 0x834d },
1994 { 0x06, 0x1b01 },
1995 { 0x06, 0x9e04 },
1996 { 0x06, 0xaaa1 },
1997 { 0x06, 0xaea8 },
1998 { 0x06, 0xee83 },
1999 { 0x06, 0x4e04 },
2000 { 0x06, 0xee83 },
2001 { 0x06, 0x4f00 },
2002 { 0x06, 0xaeab },
2003 { 0x06, 0xe083 },
2004 { 0x06, 0x4f78 },
2005 { 0x06, 0x039f },
2006 { 0x06, 0x14ee },
2007 { 0x06, 0x834e },
2008 { 0x06, 0x05d2 },
2009 { 0x06, 0x40d6 },
2010 { 0x06, 0x5554 },
2011 { 0x06, 0x0282 },
2012 { 0x06, 0x17d2 },
2013 { 0x06, 0xa0d6 },
2014 { 0x06, 0xba00 },
2015 { 0x06, 0x0282 },
2016 { 0x06, 0x17fe },
2017 { 0x06, 0xfdfc },
2018 { 0x06, 0x05f8 },
2019 { 0x06, 0xe0f8 },
2020 { 0x06, 0x60e1 },
2021 { 0x06, 0xf861 },
2022 { 0x06, 0x6802 },
2023 { 0x06, 0xe4f8 },
2024 { 0x06, 0x60e5 },
2025 { 0x06, 0xf861 },
2026 { 0x06, 0xe0f8 },
2027 { 0x06, 0x48e1 },
2028 { 0x06, 0xf849 },
2029 { 0x06, 0x580f },
2030 { 0x06, 0x1e02 },
2031 { 0x06, 0xe4f8 },
2032 { 0x06, 0x48e5 },
2033 { 0x06, 0xf849 },
2034 { 0x06, 0xd000 },
2035 { 0x06, 0x0282 },
2036 { 0x06, 0x5bbf },
2037 { 0x06, 0x8350 },
2038 { 0x06, 0xef46 },
2039 { 0x06, 0xdc19 },
2040 { 0x06, 0xddd0 },
2041 { 0x06, 0x0102 },
2042 { 0x06, 0x825b },
2043 { 0x06, 0x0282 },
2044 { 0x06, 0x77e0 },
2045 { 0x06, 0xf860 },
2046 { 0x06, 0xe1f8 },
2047 { 0x06, 0x6158 },
2048 { 0x06, 0xfde4 },
2049 { 0x06, 0xf860 },
2050 { 0x06, 0xe5f8 },
2051 { 0x06, 0x61fc },
2052 { 0x06, 0x04f9 },
2053 { 0x06, 0xfafb },
2054 { 0x06, 0xc6bf },
2055 { 0x06, 0xf840 },
2056 { 0x06, 0xbe83 },
2057 { 0x06, 0x50a0 },
2058 { 0x06, 0x0101 },
2059 { 0x06, 0x071b },
2060 { 0x06, 0x89cf },
2061 { 0x06, 0xd208 },
2062 { 0x06, 0xebdb },
2063 { 0x06, 0x19b2 },
2064 { 0x06, 0xfbff },
2065 { 0x06, 0xfefd },
2066 { 0x06, 0x04f8 },
2067 { 0x06, 0xe0f8 },
2068 { 0x06, 0x48e1 },
2069 { 0x06, 0xf849 },
2070 { 0x06, 0x6808 },
2071 { 0x06, 0xe4f8 },
2072 { 0x06, 0x48e5 },
2073 { 0x06, 0xf849 },
2074 { 0x06, 0x58f7 },
2075 { 0x06, 0xe4f8 },
2076 { 0x06, 0x48e5 },
2077 { 0x06, 0xf849 },
2078 { 0x06, 0xfc04 },
2079 { 0x06, 0x4d20 },
2080 { 0x06, 0x0002 },
2081 { 0x06, 0x4e22 },
2082 { 0x06, 0x0002 },
2083 { 0x06, 0x4ddf },
2084 { 0x06, 0xff01 },
2085 { 0x06, 0x4edd },
2086 { 0x06, 0xff01 },
2087 { 0x05, 0x83d4 },
2088 { 0x06, 0x8000 },
2089 { 0x05, 0x83d8 },
2090 { 0x06, 0x8051 },
2091 { 0x02, 0x6010 },
2092 { 0x03, 0xdc00 },
2093 { 0x05, 0xfff6 },
2094 { 0x06, 0x00fc },
2095 { 0x1f, 0x0000 },
2096
2097 { 0x1f, 0x0000 },
2098 { 0x0d, 0xf880 },
2099 { 0x1f, 0x0000 }
2100 };
2101
2102 rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2103
2104 mdio_write(ioaddr, 0x1f, 0x0002);
2105 mdio_plus_minus(ioaddr, 0x0b, 0x0010, 0x00ef);
2106 mdio_plus_minus(ioaddr, 0x0c, 0xa200, 0x5d00);
2107
2108 rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1));
2109
2110 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2111 static const struct phy_reg phy_reg_init[] = {
2112 { 0x1f, 0x0002 },
2113 { 0x05, 0x669a },
2114 { 0x1f, 0x0005 },
2115 { 0x05, 0x8330 },
2116 { 0x06, 0x669a },
2117 { 0x1f, 0x0002 }
2118 };
2119 int val;
2120
2121 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2122
2123 val = mdio_read(ioaddr, 0x0d);
2124
2125 if ((val & 0x00ff) != 0x006c) {
2126 static const u32 set[] = {
2127 0x0065, 0x0066, 0x0067, 0x0068,
2128 0x0069, 0x006a, 0x006b, 0x006c
2129 };
2130 int i;
2131
2132 mdio_write(ioaddr, 0x1f, 0x0002);
2133
2134 val &= 0xff00;
2135 for (i = 0; i < ARRAY_SIZE(set); i++)
2136 mdio_write(ioaddr, 0x0d, val | set[i]);
2137 }
2138 } else {
2139 static const struct phy_reg phy_reg_init[] = {
2140 { 0x1f, 0x0002 },
2141 { 0x05, 0x6662 },
2142 { 0x1f, 0x0005 },
2143 { 0x05, 0x8330 },
2144 { 0x06, 0x6662 }
2145 };
2146
2147 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2148 }
2149
2150 mdio_write(ioaddr, 0x1f, 0x0002);
2151 mdio_patch(ioaddr, 0x0d, 0x0300);
2152 mdio_patch(ioaddr, 0x0f, 0x0010);
2153
2154 mdio_write(ioaddr, 0x1f, 0x0002);
2155 mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600);
2156 mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000);
2157
2158 rtl_phy_write(ioaddr, phy_reg_init_2, ARRAY_SIZE(phy_reg_init_2));
2159 }
2160
2161 static void rtl8168d_2_hw_phy_config(void __iomem *ioaddr)
2162 {
2163 static const struct phy_reg phy_reg_init_0[] = {
2164 { 0x1f, 0x0001 },
2165 { 0x06, 0x4064 },
2166 { 0x07, 0x2863 },
2167 { 0x08, 0x059c },
2168 { 0x09, 0x26b4 },
2169 { 0x0a, 0x6a19 },
2170 { 0x0b, 0xdcc8 },
2171 { 0x10, 0xf06d },
2172 { 0x14, 0x7f68 },
2173 { 0x18, 0x7fd9 },
2174 { 0x1c, 0xf0ff },
2175 { 0x1d, 0x3d9c },
2176 { 0x1f, 0x0003 },
2177 { 0x12, 0xf49f },
2178 { 0x13, 0x070b },
2179 { 0x1a, 0x05ad },
2180 { 0x14, 0x94c0 },
2181
2182 { 0x1f, 0x0002 },
2183 { 0x06, 0x5561 },
2184 { 0x1f, 0x0005 },
2185 { 0x05, 0x8332 },
2186 { 0x06, 0x5561 }
2187 };
2188 static const struct phy_reg phy_reg_init_1[] = {
2189 { 0x1f, 0x0005 },
2190 { 0x05, 0xffc2 },
2191 { 0x1f, 0x0005 },
2192 { 0x05, 0x8000 },
2193 { 0x06, 0xf8f9 },
2194 { 0x06, 0xfaee },
2195 { 0x06, 0xf8ea },
2196 { 0x06, 0x00ee },
2197 { 0x06, 0xf8eb },
2198 { 0x06, 0x00e2 },
2199 { 0x06, 0xf87c },
2200 { 0x06, 0xe3f8 },
2201 { 0x06, 0x7da5 },
2202 { 0x06, 0x1111 },
2203 { 0x06, 0x12d2 },
2204 { 0x06, 0x40d6 },
2205 { 0x06, 0x4444 },
2206 { 0x06, 0x0281 },
2207 { 0x06, 0xc6d2 },
2208 { 0x06, 0xa0d6 },
2209 { 0x06, 0xaaaa },
2210 { 0x06, 0x0281 },
2211 { 0x06, 0xc6ae },
2212 { 0x06, 0x0fa5 },
2213 { 0x06, 0x4444 },
2214 { 0x06, 0x02ae },
2215 { 0x06, 0x4da5 },
2216 { 0x06, 0xaaaa },
2217 { 0x06, 0x02ae },
2218 { 0x06, 0x47af },
2219 { 0x06, 0x81c2 },
2220 { 0x06, 0xee83 },
2221 { 0x06, 0x4e00 },
2222 { 0x06, 0xee83 },
2223 { 0x06, 0x4d0f },
2224 { 0x06, 0xee83 },
2225 { 0x06, 0x4c0f },
2226 { 0x06, 0xee83 },
2227 { 0x06, 0x4f00 },
2228 { 0x06, 0xee83 },
2229 { 0x06, 0x5100 },
2230 { 0x06, 0xee83 },
2231 { 0x06, 0x4aff },
2232 { 0x06, 0xee83 },
2233 { 0x06, 0x4bff },
2234 { 0x06, 0xe083 },
2235 { 0x06, 0x30e1 },
2236 { 0x06, 0x8331 },
2237 { 0x06, 0x58fe },
2238 { 0x06, 0xe4f8 },
2239 { 0x06, 0x8ae5 },
2240 { 0x06, 0xf88b },
2241 { 0x06, 0xe083 },
2242 { 0x06, 0x32e1 },
2243 { 0x06, 0x8333 },
2244 { 0x06, 0x590f },
2245 { 0x06, 0xe283 },
2246 { 0x06, 0x4d0c },
2247 { 0x06, 0x245a },
2248 { 0x06, 0xf01e },
2249 { 0x06, 0x12e4 },
2250 { 0x06, 0xf88c },
2251 { 0x06, 0xe5f8 },
2252 { 0x06, 0x8daf },
2253 { 0x06, 0x81c2 },
2254 { 0x06, 0xe083 },
2255 { 0x06, 0x4f10 },
2256 { 0x06, 0xe483 },
2257 { 0x06, 0x4fe0 },
2258 { 0x06, 0x834e },
2259 { 0x06, 0x7800 },
2260 { 0x06, 0x9f0a },
2261 { 0x06, 0xe083 },
2262 { 0x06, 0x4fa0 },
2263 { 0x06, 0x10a5 },
2264 { 0x06, 0xee83 },
2265 { 0x06, 0x4e01 },
2266 { 0x06, 0xe083 },
2267 { 0x06, 0x4e78 },
2268 { 0x06, 0x059e },
2269 { 0x06, 0x9ae0 },
2270 { 0x06, 0x834e },
2271 { 0x06, 0x7804 },
2272 { 0x06, 0x9e10 },
2273 { 0x06, 0xe083 },
2274 { 0x06, 0x4e78 },
2275 { 0x06, 0x039e },
2276 { 0x06, 0x0fe0 },
2277 { 0x06, 0x834e },
2278 { 0x06, 0x7801 },
2279 { 0x06, 0x9e05 },
2280 { 0x06, 0xae0c },
2281 { 0x06, 0xaf81 },
2282 { 0x06, 0xa7af },
2283 { 0x06, 0x8152 },
2284 { 0x06, 0xaf81 },
2285 { 0x06, 0x8baf },
2286 { 0x06, 0x81c2 },
2287 { 0x06, 0xee83 },
2288 { 0x06, 0x4800 },
2289 { 0x06, 0xee83 },
2290 { 0x06, 0x4900 },
2291 { 0x06, 0xe083 },
2292 { 0x06, 0x5110 },
2293 { 0x06, 0xe483 },
2294 { 0x06, 0x5158 },
2295 { 0x06, 0x019f },
2296 { 0x06, 0xead0 },
2297 { 0x06, 0x00d1 },
2298 { 0x06, 0x801f },
2299 { 0x06, 0x66e2 },
2300 { 0x06, 0xf8ea },
2301 { 0x06, 0xe3f8 },
2302 { 0x06, 0xeb5a },
2303 { 0x06, 0xf81e },
2304 { 0x06, 0x20e6 },
2305 { 0x06, 0xf8ea },
2306 { 0x06, 0xe5f8 },
2307 { 0x06, 0xebd3 },
2308 { 0x06, 0x02b3 },
2309 { 0x06, 0xfee2 },
2310 { 0x06, 0xf87c },
2311 { 0x06, 0xef32 },
2312 { 0x06, 0x5b80 },
2313 { 0x06, 0xe3f8 },
2314 { 0x06, 0x7d9e },
2315 { 0x06, 0x037d },
2316 { 0x06, 0xffff },
2317 { 0x06, 0x0d58 },
2318 { 0x06, 0x1c55 },
2319 { 0x06, 0x1a65 },
2320 { 0x06, 0x11a1 },
2321 { 0x06, 0x90d3 },
2322 { 0x06, 0xe283 },
2323 { 0x06, 0x48e3 },
2324 { 0x06, 0x8349 },
2325 { 0x06, 0x1b56 },
2326 { 0x06, 0xab08 },
2327 { 0x06, 0xef56 },
2328 { 0x06, 0xe683 },
2329 { 0x06, 0x48e7 },
2330 { 0x06, 0x8349 },
2331 { 0x06, 0x10d1 },
2332 { 0x06, 0x801f },
2333 { 0x06, 0x66a0 },
2334 { 0x06, 0x04b9 },
2335 { 0x06, 0xe283 },
2336 { 0x06, 0x48e3 },
2337 { 0x06, 0x8349 },
2338 { 0x06, 0xef65 },
2339 { 0x06, 0xe283 },
2340 { 0x06, 0x4ae3 },
2341 { 0x06, 0x834b },
2342 { 0x06, 0x1b56 },
2343 { 0x06, 0xaa0e },
2344 { 0x06, 0xef56 },
2345 { 0x06, 0xe683 },
2346 { 0x06, 0x4ae7 },
2347 { 0x06, 0x834b },
2348 { 0x06, 0xe283 },
2349 { 0x06, 0x4de6 },
2350 { 0x06, 0x834c },
2351 { 0x06, 0xe083 },
2352 { 0x06, 0x4da0 },
2353 { 0x06, 0x000c },
2354 { 0x06, 0xaf81 },
2355 { 0x06, 0x8be0 },
2356 { 0x06, 0x834d },
2357 { 0x06, 0x10e4 },
2358 { 0x06, 0x834d },
2359 { 0x06, 0xae04 },
2360 { 0x06, 0x80e4 },
2361 { 0x06, 0x834d },
2362 { 0x06, 0xe083 },
2363 { 0x06, 0x4e78 },
2364 { 0x06, 0x039e },
2365 { 0x06, 0x0be0 },
2366 { 0x06, 0x834e },
2367 { 0x06, 0x7804 },
2368 { 0x06, 0x9e04 },
2369 { 0x06, 0xee83 },
2370 { 0x06, 0x4e02 },
2371 { 0x06, 0xe083 },
2372 { 0x06, 0x32e1 },
2373 { 0x06, 0x8333 },
2374 { 0x06, 0x590f },
2375 { 0x06, 0xe283 },
2376 { 0x06, 0x4d0c },
2377 { 0x06, 0x245a },
2378 { 0x06, 0xf01e },
2379 { 0x06, 0x12e4 },
2380 { 0x06, 0xf88c },
2381 { 0x06, 0xe5f8 },
2382 { 0x06, 0x8de0 },
2383 { 0x06, 0x8330 },
2384 { 0x06, 0xe183 },
2385 { 0x06, 0x3168 },
2386 { 0x06, 0x01e4 },
2387 { 0x06, 0xf88a },
2388 { 0x06, 0xe5f8 },
2389 { 0x06, 0x8bae },
2390 { 0x06, 0x37ee },
2391 { 0x06, 0x834e },
2392 { 0x06, 0x03e0 },
2393 { 0x06, 0x834c },
2394 { 0x06, 0xe183 },
2395 { 0x06, 0x4d1b },
2396 { 0x06, 0x019e },
2397 { 0x06, 0x04aa },
2398 { 0x06, 0xa1ae },
2399 { 0x06, 0xa8ee },
2400 { 0x06, 0x834e },
2401 { 0x06, 0x04ee },
2402 { 0x06, 0x834f },
2403 { 0x06, 0x00ae },
2404 { 0x06, 0xabe0 },
2405 { 0x06, 0x834f },
2406 { 0x06, 0x7803 },
2407 { 0x06, 0x9f14 },
2408 { 0x06, 0xee83 },
2409 { 0x06, 0x4e05 },
2410 { 0x06, 0xd240 },
2411 { 0x06, 0xd655 },
2412 { 0x06, 0x5402 },
2413 { 0x06, 0x81c6 },
2414 { 0x06, 0xd2a0 },
2415 { 0x06, 0xd6ba },
2416 { 0x06, 0x0002 },
2417 { 0x06, 0x81c6 },
2418 { 0x06, 0xfefd },
2419 { 0x06, 0xfc05 },
2420 { 0x06, 0xf8e0 },
2421 { 0x06, 0xf860 },
2422 { 0x06, 0xe1f8 },
2423 { 0x06, 0x6168 },
2424 { 0x06, 0x02e4 },
2425 { 0x06, 0xf860 },
2426 { 0x06, 0xe5f8 },
2427 { 0x06, 0x61e0 },
2428 { 0x06, 0xf848 },
2429 { 0x06, 0xe1f8 },
2430 { 0x06, 0x4958 },
2431 { 0x06, 0x0f1e },
2432 { 0x06, 0x02e4 },
2433 { 0x06, 0xf848 },
2434 { 0x06, 0xe5f8 },
2435 { 0x06, 0x49d0 },
2436 { 0x06, 0x0002 },
2437 { 0x06, 0x820a },
2438 { 0x06, 0xbf83 },
2439 { 0x06, 0x50ef },
2440 { 0x06, 0x46dc },
2441 { 0x06, 0x19dd },
2442 { 0x06, 0xd001 },
2443 { 0x06, 0x0282 },
2444 { 0x06, 0x0a02 },
2445 { 0x06, 0x8226 },
2446 { 0x06, 0xe0f8 },
2447 { 0x06, 0x60e1 },
2448 { 0x06, 0xf861 },
2449 { 0x06, 0x58fd },
2450 { 0x06, 0xe4f8 },
2451 { 0x06, 0x60e5 },
2452 { 0x06, 0xf861 },
2453 { 0x06, 0xfc04 },
2454 { 0x06, 0xf9fa },
2455 { 0x06, 0xfbc6 },
2456 { 0x06, 0xbff8 },
2457 { 0x06, 0x40be },
2458 { 0x06, 0x8350 },
2459 { 0x06, 0xa001 },
2460 { 0x06, 0x0107 },
2461 { 0x06, 0x1b89 },
2462 { 0x06, 0xcfd2 },
2463 { 0x06, 0x08eb },
2464 { 0x06, 0xdb19 },
2465 { 0x06, 0xb2fb },
2466 { 0x06, 0xfffe },
2467 { 0x06, 0xfd04 },
2468 { 0x06, 0xf8e0 },
2469 { 0x06, 0xf848 },
2470 { 0x06, 0xe1f8 },
2471 { 0x06, 0x4968 },
2472 { 0x06, 0x08e4 },
2473 { 0x06, 0xf848 },
2474 { 0x06, 0xe5f8 },
2475 { 0x06, 0x4958 },
2476 { 0x06, 0xf7e4 },
2477 { 0x06, 0xf848 },
2478 { 0x06, 0xe5f8 },
2479 { 0x06, 0x49fc },
2480 { 0x06, 0x044d },
2481 { 0x06, 0x2000 },
2482 { 0x06, 0x024e },
2483 { 0x06, 0x2200 },
2484 { 0x06, 0x024d },
2485 { 0x06, 0xdfff },
2486 { 0x06, 0x014e },
2487 { 0x06, 0xddff },
2488 { 0x06, 0x0100 },
2489 { 0x05, 0x83d8 },
2490 { 0x06, 0x8000 },
2491 { 0x03, 0xdc00 },
2492 { 0x05, 0xfff6 },
2493 { 0x06, 0x00fc },
2494 { 0x1f, 0x0000 },
2495
2496 { 0x1f, 0x0000 },
2497 { 0x0d, 0xf880 },
2498 { 0x1f, 0x0000 }
2499 };
2500
2501 rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2502
2503 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2504 static const struct phy_reg phy_reg_init[] = {
2505 { 0x1f, 0x0002 },
2506 { 0x05, 0x669a },
2507 { 0x1f, 0x0005 },
2508 { 0x05, 0x8330 },
2509 { 0x06, 0x669a },
2510
2511 { 0x1f, 0x0002 }
2512 };
2513 int val;
2514
2515 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2516
2517 val = mdio_read(ioaddr, 0x0d);
2518 if ((val & 0x00ff) != 0x006c) {
2519 u32 set[] = {
2520 0x0065, 0x0066, 0x0067, 0x0068,
2521 0x0069, 0x006a, 0x006b, 0x006c
2522 };
2523 int i;
2524
2525 mdio_write(ioaddr, 0x1f, 0x0002);
2526
2527 val &= 0xff00;
2528 for (i = 0; i < ARRAY_SIZE(set); i++)
2529 mdio_write(ioaddr, 0x0d, val | set[i]);
2530 }
2531 } else {
2532 static const struct phy_reg phy_reg_init[] = {
2533 { 0x1f, 0x0002 },
2534 { 0x05, 0x2642 },
2535 { 0x1f, 0x0005 },
2536 { 0x05, 0x8330 },
2537 { 0x06, 0x2642 }
2538 };
2539
2540 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2541 }
2542
2543 mdio_write(ioaddr, 0x1f, 0x0002);
2544 mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600);
2545 mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000);
2546
2547 mdio_write(ioaddr, 0x1f, 0x0001);
2548 mdio_write(ioaddr, 0x17, 0x0cc0);
2549
2550 mdio_write(ioaddr, 0x1f, 0x0002);
2551 mdio_patch(ioaddr, 0x0f, 0x0017);
2552
2553 rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1));
2554 }
2555
2556 static void rtl8168d_3_hw_phy_config(void __iomem *ioaddr)
2557 {
2558 static const struct phy_reg phy_reg_init[] = {
2559 { 0x1f, 0x0002 },
2560 { 0x10, 0x0008 },
2561 { 0x0d, 0x006c },
2562
2563 { 0x1f, 0x0000 },
2564 { 0x0d, 0xf880 },
2565
2566 { 0x1f, 0x0001 },
2567 { 0x17, 0x0cc0 },
2568
2569 { 0x1f, 0x0001 },
2570 { 0x0b, 0xa4d8 },
2571 { 0x09, 0x281c },
2572 { 0x07, 0x2883 },
2573 { 0x0a, 0x6b35 },
2574 { 0x1d, 0x3da4 },
2575 { 0x1c, 0xeffd },
2576 { 0x14, 0x7f52 },
2577 { 0x18, 0x7fc6 },
2578 { 0x08, 0x0601 },
2579 { 0x06, 0x4063 },
2580 { 0x10, 0xf074 },
2581 { 0x1f, 0x0003 },
2582 { 0x13, 0x0789 },
2583 { 0x12, 0xf4bd },
2584 { 0x1a, 0x04fd },
2585 { 0x14, 0x84b0 },
2586 { 0x1f, 0x0000 },
2587 { 0x00, 0x9200 },
2588
2589 { 0x1f, 0x0005 },
2590 { 0x01, 0x0340 },
2591 { 0x1f, 0x0001 },
2592 { 0x04, 0x4000 },
2593 { 0x03, 0x1d21 },
2594 { 0x02, 0x0c32 },
2595 { 0x01, 0x0200 },
2596 { 0x00, 0x5554 },
2597 { 0x04, 0x4800 },
2598 { 0x04, 0x4000 },
2599 { 0x04, 0xf000 },
2600 { 0x03, 0xdf01 },
2601 { 0x02, 0xdf20 },
2602 { 0x01, 0x101a },
2603 { 0x00, 0xa0ff },
2604 { 0x04, 0xf800 },
2605 { 0x04, 0xf000 },
2606 { 0x1f, 0x0000 },
2607
2608 { 0x1f, 0x0007 },
2609 { 0x1e, 0x0023 },
2610 { 0x16, 0x0000 },
2611 { 0x1f, 0x0000 }
2612 };
2613
2614 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2615 }
2616
2617 static void rtl8102e_hw_phy_config(void __iomem *ioaddr)
2618 {
2619 static const struct phy_reg phy_reg_init[] = {
2620 { 0x1f, 0x0003 },
2621 { 0x08, 0x441d },
2622 { 0x01, 0x9100 },
2623 { 0x1f, 0x0000 }
2624 };
2625
2626 mdio_write(ioaddr, 0x1f, 0x0000);
2627 mdio_patch(ioaddr, 0x11, 1 << 12);
2628 mdio_patch(ioaddr, 0x19, 1 << 13);
2629 mdio_patch(ioaddr, 0x10, 1 << 15);
2630
2631 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2632 }
2633
2634 static void rtl_hw_phy_config(struct net_device *dev)
2635 {
2636 struct rtl8169_private *tp = netdev_priv(dev);
2637 void __iomem *ioaddr = tp->mmio_addr;
2638
2639 rtl8169_print_mac_version(tp);
2640
2641 switch (tp->mac_version) {
2642 case RTL_GIGA_MAC_VER_01:
2643 break;
2644 case RTL_GIGA_MAC_VER_02:
2645 case RTL_GIGA_MAC_VER_03:
2646 rtl8169s_hw_phy_config(ioaddr);
2647 break;
2648 case RTL_GIGA_MAC_VER_04:
2649 rtl8169sb_hw_phy_config(ioaddr);
2650 break;
2651 case RTL_GIGA_MAC_VER_05:
2652 rtl8169scd_hw_phy_config(tp, ioaddr);
2653 break;
2654 case RTL_GIGA_MAC_VER_06:
2655 rtl8169sce_hw_phy_config(ioaddr);
2656 break;
2657 case RTL_GIGA_MAC_VER_07:
2658 case RTL_GIGA_MAC_VER_08:
2659 case RTL_GIGA_MAC_VER_09:
2660 rtl8102e_hw_phy_config(ioaddr);
2661 break;
2662 case RTL_GIGA_MAC_VER_11:
2663 rtl8168bb_hw_phy_config(ioaddr);
2664 break;
2665 case RTL_GIGA_MAC_VER_12:
2666 rtl8168bef_hw_phy_config(ioaddr);
2667 break;
2668 case RTL_GIGA_MAC_VER_17:
2669 rtl8168bef_hw_phy_config(ioaddr);
2670 break;
2671 case RTL_GIGA_MAC_VER_18:
2672 rtl8168cp_1_hw_phy_config(ioaddr);
2673 break;
2674 case RTL_GIGA_MAC_VER_19:
2675 rtl8168c_1_hw_phy_config(ioaddr);
2676 break;
2677 case RTL_GIGA_MAC_VER_20:
2678 rtl8168c_2_hw_phy_config(ioaddr);
2679 break;
2680 case RTL_GIGA_MAC_VER_21:
2681 rtl8168c_3_hw_phy_config(ioaddr);
2682 break;
2683 case RTL_GIGA_MAC_VER_22:
2684 rtl8168c_4_hw_phy_config(ioaddr);
2685 break;
2686 case RTL_GIGA_MAC_VER_23:
2687 case RTL_GIGA_MAC_VER_24:
2688 rtl8168cp_2_hw_phy_config(ioaddr);
2689 break;
2690 case RTL_GIGA_MAC_VER_25:
2691 rtl8168d_1_hw_phy_config(ioaddr);
2692 break;
2693 case RTL_GIGA_MAC_VER_26:
2694 rtl8168d_2_hw_phy_config(ioaddr);
2695 break;
2696 case RTL_GIGA_MAC_VER_27:
2697 rtl8168d_3_hw_phy_config(ioaddr);
2698 break;
2699
2700 default:
2701 break;
2702 }
2703 }
2704
2705 static void rtl8169_phy_timer(unsigned long __opaque)
2706 {
2707 struct net_device *dev = (struct net_device *)__opaque;
2708 struct rtl8169_private *tp = netdev_priv(dev);
2709 struct timer_list *timer = &tp->timer;
2710 void __iomem *ioaddr = tp->mmio_addr;
2711 unsigned long timeout = RTL8169_PHY_TIMEOUT;
2712
2713 assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
2714
2715 if (!(tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL))
2716 return;
2717
2718 spin_lock_irq(&tp->lock);
2719
2720 if (tp->phy_reset_pending(ioaddr)) {
2721 /*
2722 * A busy loop could burn quite a few cycles on nowadays CPU.
2723 * Let's delay the execution of the timer for a few ticks.
2724 */
2725 timeout = HZ/10;
2726 goto out_mod_timer;
2727 }
2728
2729 if (tp->link_ok(ioaddr))
2730 goto out_unlock;
2731
2732 netif_warn(tp, link, dev, "PHY reset until link up\n");
2733
2734 tp->phy_reset_enable(ioaddr);
2735
2736 out_mod_timer:
2737 mod_timer(timer, jiffies + timeout);
2738 out_unlock:
2739 spin_unlock_irq(&tp->lock);
2740 }
2741
2742 static inline void rtl8169_delete_timer(struct net_device *dev)
2743 {
2744 struct rtl8169_private *tp = netdev_priv(dev);
2745 struct timer_list *timer = &tp->timer;
2746
2747 if (tp->mac_version <= RTL_GIGA_MAC_VER_01)
2748 return;
2749
2750 del_timer_sync(timer);
2751 }
2752
2753 static inline void rtl8169_request_timer(struct net_device *dev)
2754 {
2755 struct rtl8169_private *tp = netdev_priv(dev);
2756 struct timer_list *timer = &tp->timer;
2757
2758 if (tp->mac_version <= RTL_GIGA_MAC_VER_01)
2759 return;
2760
2761 mod_timer(timer, jiffies + RTL8169_PHY_TIMEOUT);
2762 }
2763
2764 #ifdef CONFIG_NET_POLL_CONTROLLER
2765 /*
2766 * Polling 'interrupt' - used by things like netconsole to send skbs
2767 * without having to re-enable interrupts. It's not called while
2768 * the interrupt routine is executing.
2769 */
2770 static void rtl8169_netpoll(struct net_device *dev)
2771 {
2772 struct rtl8169_private *tp = netdev_priv(dev);
2773 struct pci_dev *pdev = tp->pci_dev;
2774
2775 disable_irq(pdev->irq);
2776 rtl8169_interrupt(pdev->irq, dev);
2777 enable_irq(pdev->irq);
2778 }
2779 #endif
2780
2781 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
2782 void __iomem *ioaddr)
2783 {
2784 iounmap(ioaddr);
2785 pci_release_regions(pdev);
2786 pci_clear_mwi(pdev);
2787 pci_disable_device(pdev);
2788 free_netdev(dev);
2789 }
2790
2791 static void rtl8169_phy_reset(struct net_device *dev,
2792 struct rtl8169_private *tp)
2793 {
2794 void __iomem *ioaddr = tp->mmio_addr;
2795 unsigned int i;
2796
2797 tp->phy_reset_enable(ioaddr);
2798 for (i = 0; i < 100; i++) {
2799 if (!tp->phy_reset_pending(ioaddr))
2800 return;
2801 msleep(1);
2802 }
2803 netif_err(tp, link, dev, "PHY reset failed\n");
2804 }
2805
2806 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
2807 {
2808 void __iomem *ioaddr = tp->mmio_addr;
2809
2810 rtl_hw_phy_config(dev);
2811
2812 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
2813 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
2814 RTL_W8(0x82, 0x01);
2815 }
2816
2817 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
2818
2819 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
2820 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
2821
2822 if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
2823 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
2824 RTL_W8(0x82, 0x01);
2825 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
2826 mdio_write(ioaddr, 0x0b, 0x0000); //w 0x0b 15 0 0
2827 }
2828
2829 rtl8169_phy_reset(dev, tp);
2830
2831 /*
2832 * rtl8169_set_speed_xmii takes good care of the Fast Ethernet
2833 * only 8101. Don't panic.
2834 */
2835 rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL);
2836
2837 if (RTL_R8(PHYstatus) & TBI_Enable)
2838 netif_info(tp, link, dev, "TBI auto-negotiating\n");
2839 }
2840
2841 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
2842 {
2843 void __iomem *ioaddr = tp->mmio_addr;
2844 u32 high;
2845 u32 low;
2846
2847 low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2848 high = addr[4] | (addr[5] << 8);
2849
2850 spin_lock_irq(&tp->lock);
2851
2852 RTL_W8(Cfg9346, Cfg9346_Unlock);
2853
2854 RTL_W32(MAC4, high);
2855 RTL_R32(MAC4);
2856
2857 RTL_W32(MAC0, low);
2858 RTL_R32(MAC0);
2859
2860 RTL_W8(Cfg9346, Cfg9346_Lock);
2861
2862 spin_unlock_irq(&tp->lock);
2863 }
2864
2865 static int rtl_set_mac_address(struct net_device *dev, void *p)
2866 {
2867 struct rtl8169_private *tp = netdev_priv(dev);
2868 struct sockaddr *addr = p;
2869
2870 if (!is_valid_ether_addr(addr->sa_data))
2871 return -EADDRNOTAVAIL;
2872
2873 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
2874
2875 rtl_rar_set(tp, dev->dev_addr);
2876
2877 return 0;
2878 }
2879
2880 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
2881 {
2882 struct rtl8169_private *tp = netdev_priv(dev);
2883 struct mii_ioctl_data *data = if_mii(ifr);
2884
2885 return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
2886 }
2887
2888 static int rtl_xmii_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
2889 {
2890 switch (cmd) {
2891 case SIOCGMIIPHY:
2892 data->phy_id = 32; /* Internal PHY */
2893 return 0;
2894
2895 case SIOCGMIIREG:
2896 data->val_out = mdio_read(tp->mmio_addr, data->reg_num & 0x1f);
2897 return 0;
2898
2899 case SIOCSMIIREG:
2900 mdio_write(tp->mmio_addr, data->reg_num & 0x1f, data->val_in);
2901 return 0;
2902 }
2903 return -EOPNOTSUPP;
2904 }
2905
2906 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
2907 {
2908 return -EOPNOTSUPP;
2909 }
2910
2911 static const struct rtl_cfg_info {
2912 void (*hw_start)(struct net_device *);
2913 unsigned int region;
2914 unsigned int align;
2915 u16 intr_event;
2916 u16 napi_event;
2917 unsigned features;
2918 u8 default_ver;
2919 } rtl_cfg_infos [] = {
2920 [RTL_CFG_0] = {
2921 .hw_start = rtl_hw_start_8169,
2922 .region = 1,
2923 .align = 0,
2924 .intr_event = SYSErr | LinkChg | RxOverflow |
2925 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
2926 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
2927 .features = RTL_FEATURE_GMII,
2928 .default_ver = RTL_GIGA_MAC_VER_01,
2929 },
2930 [RTL_CFG_1] = {
2931 .hw_start = rtl_hw_start_8168,
2932 .region = 2,
2933 .align = 8,
2934 .intr_event = SYSErr | LinkChg | RxOverflow |
2935 TxErr | TxOK | RxOK | RxErr,
2936 .napi_event = TxErr | TxOK | RxOK | RxOverflow,
2937 .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
2938 .default_ver = RTL_GIGA_MAC_VER_11,
2939 },
2940 [RTL_CFG_2] = {
2941 .hw_start = rtl_hw_start_8101,
2942 .region = 2,
2943 .align = 8,
2944 .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout |
2945 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
2946 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
2947 .features = RTL_FEATURE_MSI,
2948 .default_ver = RTL_GIGA_MAC_VER_13,
2949 }
2950 };
2951
2952 /* Cfg9346_Unlock assumed. */
2953 static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
2954 const struct rtl_cfg_info *cfg)
2955 {
2956 unsigned msi = 0;
2957 u8 cfg2;
2958
2959 cfg2 = RTL_R8(Config2) & ~MSIEnable;
2960 if (cfg->features & RTL_FEATURE_MSI) {
2961 if (pci_enable_msi(pdev)) {
2962 dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
2963 } else {
2964 cfg2 |= MSIEnable;
2965 msi = RTL_FEATURE_MSI;
2966 }
2967 }
2968 RTL_W8(Config2, cfg2);
2969 return msi;
2970 }
2971
2972 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
2973 {
2974 if (tp->features & RTL_FEATURE_MSI) {
2975 pci_disable_msi(pdev);
2976 tp->features &= ~RTL_FEATURE_MSI;
2977 }
2978 }
2979
2980 static const struct net_device_ops rtl8169_netdev_ops = {
2981 .ndo_open = rtl8169_open,
2982 .ndo_stop = rtl8169_close,
2983 .ndo_get_stats = rtl8169_get_stats,
2984 .ndo_start_xmit = rtl8169_start_xmit,
2985 .ndo_tx_timeout = rtl8169_tx_timeout,
2986 .ndo_validate_addr = eth_validate_addr,
2987 .ndo_change_mtu = rtl8169_change_mtu,
2988 .ndo_set_mac_address = rtl_set_mac_address,
2989 .ndo_do_ioctl = rtl8169_ioctl,
2990 .ndo_set_multicast_list = rtl_set_rx_mode,
2991 #ifdef CONFIG_R8169_VLAN
2992 .ndo_vlan_rx_register = rtl8169_vlan_rx_register,
2993 #endif
2994 #ifdef CONFIG_NET_POLL_CONTROLLER
2995 .ndo_poll_controller = rtl8169_netpoll,
2996 #endif
2997
2998 };
2999
3000 static int __devinit
3001 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3002 {
3003 const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
3004 const unsigned int region = cfg->region;
3005 struct rtl8169_private *tp;
3006 struct mii_if_info *mii;
3007 struct net_device *dev;
3008 void __iomem *ioaddr;
3009 unsigned int i;
3010 int rc;
3011
3012 if (netif_msg_drv(&debug)) {
3013 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
3014 MODULENAME, RTL8169_VERSION);
3015 }
3016
3017 dev = alloc_etherdev(sizeof (*tp));
3018 if (!dev) {
3019 if (netif_msg_drv(&debug))
3020 dev_err(&pdev->dev, "unable to alloc new ethernet\n");
3021 rc = -ENOMEM;
3022 goto out;
3023 }
3024
3025 SET_NETDEV_DEV(dev, &pdev->dev);
3026 dev->netdev_ops = &rtl8169_netdev_ops;
3027 tp = netdev_priv(dev);
3028 tp->dev = dev;
3029 tp->pci_dev = pdev;
3030 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
3031
3032 mii = &tp->mii;
3033 mii->dev = dev;
3034 mii->mdio_read = rtl_mdio_read;
3035 mii->mdio_write = rtl_mdio_write;
3036 mii->phy_id_mask = 0x1f;
3037 mii->reg_num_mask = 0x1f;
3038 mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
3039
3040 /* enable device (incl. PCI PM wakeup and hotplug setup) */
3041 rc = pci_enable_device(pdev);
3042 if (rc < 0) {
3043 netif_err(tp, probe, dev, "enable failure\n");
3044 goto err_out_free_dev_1;
3045 }
3046
3047 if (pci_set_mwi(pdev) < 0)
3048 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
3049
3050 /* make sure PCI base addr 1 is MMIO */
3051 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
3052 netif_err(tp, probe, dev,
3053 "region #%d not an MMIO resource, aborting\n",
3054 region);
3055 rc = -ENODEV;
3056 goto err_out_mwi_2;
3057 }
3058
3059 /* check for weird/broken PCI region reporting */
3060 if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
3061 netif_err(tp, probe, dev,
3062 "Invalid PCI region size(s), aborting\n");
3063 rc = -ENODEV;
3064 goto err_out_mwi_2;
3065 }
3066
3067 rc = pci_request_regions(pdev, MODULENAME);
3068 if (rc < 0) {
3069 netif_err(tp, probe, dev, "could not request regions\n");
3070 goto err_out_mwi_2;
3071 }
3072
3073 tp->cp_cmd = PCIMulRW | RxChkSum;
3074
3075 if ((sizeof(dma_addr_t) > 4) &&
3076 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
3077 tp->cp_cmd |= PCIDAC;
3078 dev->features |= NETIF_F_HIGHDMA;
3079 } else {
3080 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3081 if (rc < 0) {
3082 netif_err(tp, probe, dev, "DMA configuration failed\n");
3083 goto err_out_free_res_3;
3084 }
3085 }
3086
3087 /* ioremap MMIO region */
3088 ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
3089 if (!ioaddr) {
3090 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3091 rc = -EIO;
3092 goto err_out_free_res_3;
3093 }
3094
3095 tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
3096 if (!tp->pcie_cap)
3097 netif_info(tp, probe, dev, "no PCI Express capability\n");
3098
3099 RTL_W16(IntrMask, 0x0000);
3100
3101 /* Soft reset the chip. */
3102 RTL_W8(ChipCmd, CmdReset);
3103
3104 /* Check that the chip has finished the reset. */
3105 for (i = 0; i < 100; i++) {
3106 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3107 break;
3108 msleep_interruptible(1);
3109 }
3110
3111 RTL_W16(IntrStatus, 0xffff);
3112
3113 pci_set_master(pdev);
3114
3115 /* Identify chip attached to board */
3116 rtl8169_get_mac_version(tp, ioaddr);
3117
3118 /* Use appropriate default if unknown */
3119 if (tp->mac_version == RTL_GIGA_MAC_NONE) {
3120 netif_notice(tp, probe, dev,
3121 "unknown MAC, using family default\n");
3122 tp->mac_version = cfg->default_ver;
3123 }
3124
3125 rtl8169_print_mac_version(tp);
3126
3127 for (i = 0; i < ARRAY_SIZE(rtl_chip_info); i++) {
3128 if (tp->mac_version == rtl_chip_info[i].mac_version)
3129 break;
3130 }
3131 if (i == ARRAY_SIZE(rtl_chip_info)) {
3132 dev_err(&pdev->dev,
3133 "driver bug, MAC version not found in rtl_chip_info\n");
3134 goto err_out_msi_4;
3135 }
3136 tp->chipset = i;
3137
3138 RTL_W8(Cfg9346, Cfg9346_Unlock);
3139 RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
3140 RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
3141 if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
3142 tp->features |= RTL_FEATURE_WOL;
3143 if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
3144 tp->features |= RTL_FEATURE_WOL;
3145 tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
3146 RTL_W8(Cfg9346, Cfg9346_Lock);
3147
3148 if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
3149 (RTL_R8(PHYstatus) & TBI_Enable)) {
3150 tp->set_speed = rtl8169_set_speed_tbi;
3151 tp->get_settings = rtl8169_gset_tbi;
3152 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
3153 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
3154 tp->link_ok = rtl8169_tbi_link_ok;
3155 tp->do_ioctl = rtl_tbi_ioctl;
3156
3157 tp->phy_1000_ctrl_reg = ADVERTISE_1000FULL; /* Implied by TBI */
3158 } else {
3159 tp->set_speed = rtl8169_set_speed_xmii;
3160 tp->get_settings = rtl8169_gset_xmii;
3161 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
3162 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
3163 tp->link_ok = rtl8169_xmii_link_ok;
3164 tp->do_ioctl = rtl_xmii_ioctl;
3165 }
3166
3167 spin_lock_init(&tp->lock);
3168
3169 tp->mmio_addr = ioaddr;
3170
3171 /* Get MAC address */
3172 for (i = 0; i < MAC_ADDR_LEN; i++)
3173 dev->dev_addr[i] = RTL_R8(MAC0 + i);
3174 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
3175
3176 SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
3177 dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
3178 dev->irq = pdev->irq;
3179 dev->base_addr = (unsigned long) ioaddr;
3180
3181 netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
3182
3183 #ifdef CONFIG_R8169_VLAN
3184 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3185 #endif
3186 dev->features |= NETIF_F_GRO;
3187
3188 tp->intr_mask = 0xffff;
3189 tp->hw_start = cfg->hw_start;
3190 tp->intr_event = cfg->intr_event;
3191 tp->napi_event = cfg->napi_event;
3192
3193 init_timer(&tp->timer);
3194 tp->timer.data = (unsigned long) dev;
3195 tp->timer.function = rtl8169_phy_timer;
3196
3197 rc = register_netdev(dev);
3198 if (rc < 0)
3199 goto err_out_msi_4;
3200
3201 pci_set_drvdata(pdev, dev);
3202
3203 netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
3204 rtl_chip_info[tp->chipset].name,
3205 dev->base_addr, dev->dev_addr,
3206 (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
3207
3208 rtl8169_init_phy(dev, tp);
3209
3210 /*
3211 * Pretend we are using VLANs; This bypasses a nasty bug where
3212 * Interrupts stop flowing on high load on 8110SCd controllers.
3213 */
3214 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3215 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | RxVlan);
3216
3217 device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
3218
3219 if (pci_dev_run_wake(pdev))
3220 pm_runtime_put_noidle(&pdev->dev);
3221
3222 out:
3223 return rc;
3224
3225 err_out_msi_4:
3226 rtl_disable_msi(pdev, tp);
3227 iounmap(ioaddr);
3228 err_out_free_res_3:
3229 pci_release_regions(pdev);
3230 err_out_mwi_2:
3231 pci_clear_mwi(pdev);
3232 pci_disable_device(pdev);
3233 err_out_free_dev_1:
3234 free_netdev(dev);
3235 goto out;
3236 }
3237
3238 static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
3239 {
3240 struct net_device *dev = pci_get_drvdata(pdev);
3241 struct rtl8169_private *tp = netdev_priv(dev);
3242
3243 flush_scheduled_work();
3244
3245 unregister_netdev(dev);
3246
3247 if (pci_dev_run_wake(pdev))
3248 pm_runtime_get_noresume(&pdev->dev);
3249
3250 /* restore original MAC address */
3251 rtl_rar_set(tp, dev->perm_addr);
3252
3253 rtl_disable_msi(pdev, tp);
3254 rtl8169_release_board(pdev, dev, tp->mmio_addr);
3255 pci_set_drvdata(pdev, NULL);
3256 }
3257
3258 static int rtl8169_open(struct net_device *dev)
3259 {
3260 struct rtl8169_private *tp = netdev_priv(dev);
3261 struct pci_dev *pdev = tp->pci_dev;
3262 int retval = -ENOMEM;
3263
3264 pm_runtime_get_sync(&pdev->dev);
3265
3266 /*
3267 * Rx and Tx desscriptors needs 256 bytes alignment.
3268 * dma_alloc_coherent provides more.
3269 */
3270 tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
3271 &tp->TxPhyAddr, GFP_KERNEL);
3272 if (!tp->TxDescArray)
3273 goto err_pm_runtime_put;
3274
3275 tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
3276 &tp->RxPhyAddr, GFP_KERNEL);
3277 if (!tp->RxDescArray)
3278 goto err_free_tx_0;
3279
3280 retval = rtl8169_init_ring(dev);
3281 if (retval < 0)
3282 goto err_free_rx_1;
3283
3284 INIT_DELAYED_WORK(&tp->task, NULL);
3285
3286 smp_mb();
3287
3288 retval = request_irq(dev->irq, rtl8169_interrupt,
3289 (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
3290 dev->name, dev);
3291 if (retval < 0)
3292 goto err_release_ring_2;
3293
3294 napi_enable(&tp->napi);
3295
3296 rtl_hw_start(dev);
3297
3298 rtl8169_request_timer(dev);
3299
3300 tp->saved_wolopts = 0;
3301 pm_runtime_put_noidle(&pdev->dev);
3302
3303 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
3304 out:
3305 return retval;
3306
3307 err_release_ring_2:
3308 rtl8169_rx_clear(tp);
3309 err_free_rx_1:
3310 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
3311 tp->RxPhyAddr);
3312 tp->RxDescArray = NULL;
3313 err_free_tx_0:
3314 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
3315 tp->TxPhyAddr);
3316 tp->TxDescArray = NULL;
3317 err_pm_runtime_put:
3318 pm_runtime_put_noidle(&pdev->dev);
3319 goto out;
3320 }
3321
3322 static void rtl8169_hw_reset(void __iomem *ioaddr)
3323 {
3324 /* Disable interrupts */
3325 rtl8169_irq_mask_and_ack(ioaddr);
3326
3327 /* Reset the chipset */
3328 RTL_W8(ChipCmd, CmdReset);
3329
3330 /* PCI commit */
3331 RTL_R8(ChipCmd);
3332 }
3333
3334 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
3335 {
3336 void __iomem *ioaddr = tp->mmio_addr;
3337 u32 cfg = rtl8169_rx_config;
3338
3339 cfg |= (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask);
3340 RTL_W32(RxConfig, cfg);
3341
3342 /* Set DMA burst size and Interframe Gap Time */
3343 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
3344 (InterFrameGap << TxInterFrameGapShift));
3345 }
3346
3347 static void rtl_hw_start(struct net_device *dev)
3348 {
3349 struct rtl8169_private *tp = netdev_priv(dev);
3350 void __iomem *ioaddr = tp->mmio_addr;
3351 unsigned int i;
3352
3353 /* Soft reset the chip. */
3354 RTL_W8(ChipCmd, CmdReset);
3355
3356 /* Check that the chip has finished the reset. */
3357 for (i = 0; i < 100; i++) {
3358 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3359 break;
3360 msleep_interruptible(1);
3361 }
3362
3363 tp->hw_start(dev);
3364
3365 netif_start_queue(dev);
3366 }
3367
3368
3369 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
3370 void __iomem *ioaddr)
3371 {
3372 /*
3373 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
3374 * register to be written before TxDescAddrLow to work.
3375 * Switching from MMIO to I/O access fixes the issue as well.
3376 */
3377 RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
3378 RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
3379 RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
3380 RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
3381 }
3382
3383 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
3384 {
3385 u16 cmd;
3386
3387 cmd = RTL_R16(CPlusCmd);
3388 RTL_W16(CPlusCmd, cmd);
3389 return cmd;
3390 }
3391
3392 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
3393 {
3394 /* Low hurts. Let's disable the filtering. */
3395 RTL_W16(RxMaxSize, rx_buf_sz + 1);
3396 }
3397
3398 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
3399 {
3400 static const struct {
3401 u32 mac_version;
3402 u32 clk;
3403 u32 val;
3404 } cfg2_info [] = {
3405 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
3406 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
3407 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
3408 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
3409 }, *p = cfg2_info;
3410 unsigned int i;
3411 u32 clk;
3412
3413 clk = RTL_R8(Config2) & PCI_Clock_66MHz;
3414 for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
3415 if ((p->mac_version == mac_version) && (p->clk == clk)) {
3416 RTL_W32(0x7c, p->val);
3417 break;
3418 }
3419 }
3420 }
3421
3422 static void rtl_hw_start_8169(struct net_device *dev)
3423 {
3424 struct rtl8169_private *tp = netdev_priv(dev);
3425 void __iomem *ioaddr = tp->mmio_addr;
3426 struct pci_dev *pdev = tp->pci_dev;
3427
3428 if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
3429 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
3430 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
3431 }
3432
3433 RTL_W8(Cfg9346, Cfg9346_Unlock);
3434 if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
3435 (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
3436 (tp->mac_version == RTL_GIGA_MAC_VER_03) ||
3437 (tp->mac_version == RTL_GIGA_MAC_VER_04))
3438 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3439
3440 RTL_W8(EarlyTxThres, EarlyTxThld);
3441
3442 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
3443
3444 if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
3445 (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
3446 (tp->mac_version == RTL_GIGA_MAC_VER_03) ||
3447 (tp->mac_version == RTL_GIGA_MAC_VER_04))
3448 rtl_set_rx_tx_config_registers(tp);
3449
3450 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
3451
3452 if ((tp->mac_version == RTL_GIGA_MAC_VER_02) ||
3453 (tp->mac_version == RTL_GIGA_MAC_VER_03)) {
3454 dprintk("Set MAC Reg C+CR Offset 0xE0. "
3455 "Bit-3 and bit-14 MUST be 1\n");
3456 tp->cp_cmd |= (1 << 14);
3457 }
3458
3459 RTL_W16(CPlusCmd, tp->cp_cmd);
3460
3461 rtl8169_set_magic_reg(ioaddr, tp->mac_version);
3462
3463 /*
3464 * Undocumented corner. Supposedly:
3465 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
3466 */
3467 RTL_W16(IntrMitigate, 0x0000);
3468
3469 rtl_set_rx_tx_desc_registers(tp, ioaddr);
3470
3471 if ((tp->mac_version != RTL_GIGA_MAC_VER_01) &&
3472 (tp->mac_version != RTL_GIGA_MAC_VER_02) &&
3473 (tp->mac_version != RTL_GIGA_MAC_VER_03) &&
3474 (tp->mac_version != RTL_GIGA_MAC_VER_04)) {
3475 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3476 rtl_set_rx_tx_config_registers(tp);
3477 }
3478
3479 RTL_W8(Cfg9346, Cfg9346_Lock);
3480
3481 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
3482 RTL_R8(IntrMask);
3483
3484 RTL_W32(RxMissed, 0);
3485
3486 rtl_set_rx_mode(dev);
3487
3488 /* no early-rx interrupts */
3489 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
3490
3491 /* Enable all known interrupts by setting the interrupt mask. */
3492 RTL_W16(IntrMask, tp->intr_event);
3493 }
3494
3495 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
3496 {
3497 struct net_device *dev = pci_get_drvdata(pdev);
3498 struct rtl8169_private *tp = netdev_priv(dev);
3499 int cap = tp->pcie_cap;
3500
3501 if (cap) {
3502 u16 ctl;
3503
3504 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
3505 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
3506 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
3507 }
3508 }
3509
3510 static void rtl_csi_access_enable(void __iomem *ioaddr)
3511 {
3512 u32 csi;
3513
3514 csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
3515 rtl_csi_write(ioaddr, 0x070c, csi | 0x27000000);
3516 }
3517
3518 struct ephy_info {
3519 unsigned int offset;
3520 u16 mask;
3521 u16 bits;
3522 };
3523
3524 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
3525 {
3526 u16 w;
3527
3528 while (len-- > 0) {
3529 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
3530 rtl_ephy_write(ioaddr, e->offset, w);
3531 e++;
3532 }
3533 }
3534
3535 static void rtl_disable_clock_request(struct pci_dev *pdev)
3536 {
3537 struct net_device *dev = pci_get_drvdata(pdev);
3538 struct rtl8169_private *tp = netdev_priv(dev);
3539 int cap = tp->pcie_cap;
3540
3541 if (cap) {
3542 u16 ctl;
3543
3544 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
3545 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
3546 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
3547 }
3548 }
3549
3550 #define R8168_CPCMD_QUIRK_MASK (\
3551 EnableBist | \
3552 Mac_dbgo_oe | \
3553 Force_half_dup | \
3554 Force_rxflow_en | \
3555 Force_txflow_en | \
3556 Cxpl_dbg_sel | \
3557 ASF | \
3558 PktCntrDisable | \
3559 Mac_dbgo_sel)
3560
3561 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
3562 {
3563 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3564
3565 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3566
3567 rtl_tx_performance_tweak(pdev,
3568 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
3569 }
3570
3571 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
3572 {
3573 rtl_hw_start_8168bb(ioaddr, pdev);
3574
3575 RTL_W8(EarlyTxThres, EarlyTxThld);
3576
3577 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
3578 }
3579
3580 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
3581 {
3582 RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
3583
3584 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3585
3586 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3587
3588 rtl_disable_clock_request(pdev);
3589
3590 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3591 }
3592
3593 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
3594 {
3595 static const struct ephy_info e_info_8168cp[] = {
3596 { 0x01, 0, 0x0001 },
3597 { 0x02, 0x0800, 0x1000 },
3598 { 0x03, 0, 0x0042 },
3599 { 0x06, 0x0080, 0x0000 },
3600 { 0x07, 0, 0x2000 }
3601 };
3602
3603 rtl_csi_access_enable(ioaddr);
3604
3605 rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
3606
3607 __rtl_hw_start_8168cp(ioaddr, pdev);
3608 }
3609
3610 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
3611 {
3612 rtl_csi_access_enable(ioaddr);
3613
3614 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3615
3616 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3617
3618 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3619 }
3620
3621 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
3622 {
3623 rtl_csi_access_enable(ioaddr);
3624
3625 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3626
3627 /* Magic. */
3628 RTL_W8(DBG_REG, 0x20);
3629
3630 RTL_W8(EarlyTxThres, EarlyTxThld);
3631
3632 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3633
3634 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3635 }
3636
3637 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
3638 {
3639 static const struct ephy_info e_info_8168c_1[] = {
3640 { 0x02, 0x0800, 0x1000 },
3641 { 0x03, 0, 0x0002 },
3642 { 0x06, 0x0080, 0x0000 }
3643 };
3644
3645 rtl_csi_access_enable(ioaddr);
3646
3647 RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
3648
3649 rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
3650
3651 __rtl_hw_start_8168cp(ioaddr, pdev);
3652 }
3653
3654 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
3655 {
3656 static const struct ephy_info e_info_8168c_2[] = {
3657 { 0x01, 0, 0x0001 },
3658 { 0x03, 0x0400, 0x0220 }
3659 };
3660
3661 rtl_csi_access_enable(ioaddr);
3662
3663 rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
3664
3665 __rtl_hw_start_8168cp(ioaddr, pdev);
3666 }
3667
3668 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
3669 {
3670 rtl_hw_start_8168c_2(ioaddr, pdev);
3671 }
3672
3673 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
3674 {
3675 rtl_csi_access_enable(ioaddr);
3676
3677 __rtl_hw_start_8168cp(ioaddr, pdev);
3678 }
3679
3680 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
3681 {
3682 rtl_csi_access_enable(ioaddr);
3683
3684 rtl_disable_clock_request(pdev);
3685
3686 RTL_W8(EarlyTxThres, EarlyTxThld);
3687
3688 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3689
3690 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3691 }
3692
3693 static void rtl_hw_start_8168(struct net_device *dev)
3694 {
3695 struct rtl8169_private *tp = netdev_priv(dev);
3696 void __iomem *ioaddr = tp->mmio_addr;
3697 struct pci_dev *pdev = tp->pci_dev;
3698
3699 RTL_W8(Cfg9346, Cfg9346_Unlock);
3700
3701 RTL_W8(EarlyTxThres, EarlyTxThld);
3702
3703 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
3704
3705 tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
3706
3707 RTL_W16(CPlusCmd, tp->cp_cmd);
3708
3709 RTL_W16(IntrMitigate, 0x5151);
3710
3711 /* Work around for RxFIFO overflow. */
3712 if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
3713 tp->intr_event |= RxFIFOOver | PCSTimeout;
3714 tp->intr_event &= ~RxOverflow;
3715 }
3716
3717 rtl_set_rx_tx_desc_registers(tp, ioaddr);
3718
3719 rtl_set_rx_mode(dev);
3720
3721 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
3722 (InterFrameGap << TxInterFrameGapShift));
3723
3724 RTL_R8(IntrMask);
3725
3726 switch (tp->mac_version) {
3727 case RTL_GIGA_MAC_VER_11:
3728 rtl_hw_start_8168bb(ioaddr, pdev);
3729 break;
3730
3731 case RTL_GIGA_MAC_VER_12:
3732 case RTL_GIGA_MAC_VER_17:
3733 rtl_hw_start_8168bef(ioaddr, pdev);
3734 break;
3735
3736 case RTL_GIGA_MAC_VER_18:
3737 rtl_hw_start_8168cp_1(ioaddr, pdev);
3738 break;
3739
3740 case RTL_GIGA_MAC_VER_19:
3741 rtl_hw_start_8168c_1(ioaddr, pdev);
3742 break;
3743
3744 case RTL_GIGA_MAC_VER_20:
3745 rtl_hw_start_8168c_2(ioaddr, pdev);
3746 break;
3747
3748 case RTL_GIGA_MAC_VER_21:
3749 rtl_hw_start_8168c_3(ioaddr, pdev);
3750 break;
3751
3752 case RTL_GIGA_MAC_VER_22:
3753 rtl_hw_start_8168c_4(ioaddr, pdev);
3754 break;
3755
3756 case RTL_GIGA_MAC_VER_23:
3757 rtl_hw_start_8168cp_2(ioaddr, pdev);
3758 break;
3759
3760 case RTL_GIGA_MAC_VER_24:
3761 rtl_hw_start_8168cp_3(ioaddr, pdev);
3762 break;
3763
3764 case RTL_GIGA_MAC_VER_25:
3765 case RTL_GIGA_MAC_VER_26:
3766 case RTL_GIGA_MAC_VER_27:
3767 rtl_hw_start_8168d(ioaddr, pdev);
3768 break;
3769
3770 default:
3771 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
3772 dev->name, tp->mac_version);
3773 break;
3774 }
3775
3776 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3777
3778 RTL_W8(Cfg9346, Cfg9346_Lock);
3779
3780 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
3781
3782 RTL_W16(IntrMask, tp->intr_event);
3783 }
3784
3785 #define R810X_CPCMD_QUIRK_MASK (\
3786 EnableBist | \
3787 Mac_dbgo_oe | \
3788 Force_half_dup | \
3789 Force_rxflow_en | \
3790 Force_txflow_en | \
3791 Cxpl_dbg_sel | \
3792 ASF | \
3793 PktCntrDisable | \
3794 PCIDAC | \
3795 PCIMulRW)
3796
3797 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
3798 {
3799 static const struct ephy_info e_info_8102e_1[] = {
3800 { 0x01, 0, 0x6e65 },
3801 { 0x02, 0, 0x091f },
3802 { 0x03, 0, 0xc2f9 },
3803 { 0x06, 0, 0xafb5 },
3804 { 0x07, 0, 0x0e00 },
3805 { 0x19, 0, 0xec80 },
3806 { 0x01, 0, 0x2e65 },
3807 { 0x01, 0, 0x6e65 }
3808 };
3809 u8 cfg1;
3810
3811 rtl_csi_access_enable(ioaddr);
3812
3813 RTL_W8(DBG_REG, FIX_NAK_1);
3814
3815 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3816
3817 RTL_W8(Config1,
3818 LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
3819 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3820
3821 cfg1 = RTL_R8(Config1);
3822 if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
3823 RTL_W8(Config1, cfg1 & ~LEDS0);
3824
3825 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK);
3826
3827 rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
3828 }
3829
3830 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
3831 {
3832 rtl_csi_access_enable(ioaddr);
3833
3834 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3835
3836 RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
3837 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3838
3839 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK);
3840 }
3841
3842 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
3843 {
3844 rtl_hw_start_8102e_2(ioaddr, pdev);
3845
3846 rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
3847 }
3848
3849 static void rtl_hw_start_8101(struct net_device *dev)
3850 {
3851 struct rtl8169_private *tp = netdev_priv(dev);
3852 void __iomem *ioaddr = tp->mmio_addr;
3853 struct pci_dev *pdev = tp->pci_dev;
3854
3855 if ((tp->mac_version == RTL_GIGA_MAC_VER_13) ||
3856 (tp->mac_version == RTL_GIGA_MAC_VER_16)) {
3857 int cap = tp->pcie_cap;
3858
3859 if (cap) {
3860 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
3861 PCI_EXP_DEVCTL_NOSNOOP_EN);
3862 }
3863 }
3864
3865 switch (tp->mac_version) {
3866 case RTL_GIGA_MAC_VER_07:
3867 rtl_hw_start_8102e_1(ioaddr, pdev);
3868 break;
3869
3870 case RTL_GIGA_MAC_VER_08:
3871 rtl_hw_start_8102e_3(ioaddr, pdev);
3872 break;
3873
3874 case RTL_GIGA_MAC_VER_09:
3875 rtl_hw_start_8102e_2(ioaddr, pdev);
3876 break;
3877 }
3878
3879 RTL_W8(Cfg9346, Cfg9346_Unlock);
3880
3881 RTL_W8(EarlyTxThres, EarlyTxThld);
3882
3883 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
3884
3885 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
3886
3887 RTL_W16(CPlusCmd, tp->cp_cmd);
3888
3889 RTL_W16(IntrMitigate, 0x0000);
3890
3891 rtl_set_rx_tx_desc_registers(tp, ioaddr);
3892
3893 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3894 rtl_set_rx_tx_config_registers(tp);
3895
3896 RTL_W8(Cfg9346, Cfg9346_Lock);
3897
3898 RTL_R8(IntrMask);
3899
3900 rtl_set_rx_mode(dev);
3901
3902 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3903
3904 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
3905
3906 RTL_W16(IntrMask, tp->intr_event);
3907 }
3908
3909 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
3910 {
3911 if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
3912 return -EINVAL;
3913
3914 dev->mtu = new_mtu;
3915 return 0;
3916 }
3917
3918 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
3919 {
3920 desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
3921 desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
3922 }
3923
3924 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
3925 void **data_buff, struct RxDesc *desc)
3926 {
3927 dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
3928 DMA_FROM_DEVICE);
3929
3930 kfree(*data_buff);
3931 *data_buff = NULL;
3932 rtl8169_make_unusable_by_asic(desc);
3933 }
3934
3935 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
3936 {
3937 u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
3938
3939 desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
3940 }
3941
3942 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
3943 u32 rx_buf_sz)
3944 {
3945 desc->addr = cpu_to_le64(mapping);
3946 wmb();
3947 rtl8169_mark_to_asic(desc, rx_buf_sz);
3948 }
3949
3950 static inline void *rtl8169_align(void *data)
3951 {
3952 return (void *)ALIGN((long)data, 16);
3953 }
3954
3955 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
3956 struct RxDesc *desc)
3957 {
3958 void *data;
3959 dma_addr_t mapping;
3960 struct device *d = &tp->pci_dev->dev;
3961 struct net_device *dev = tp->dev;
3962 int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
3963
3964 data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
3965 if (!data)
3966 return NULL;
3967
3968 if (rtl8169_align(data) != data) {
3969 kfree(data);
3970 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
3971 if (!data)
3972 return NULL;
3973 }
3974
3975 mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
3976 DMA_FROM_DEVICE);
3977 if (unlikely(dma_mapping_error(d, mapping))) {
3978 if (net_ratelimit())
3979 netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
3980 goto err_out;
3981 }
3982
3983 rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
3984 return data;
3985
3986 err_out:
3987 kfree(data);
3988 return NULL;
3989 }
3990
3991 static void rtl8169_rx_clear(struct rtl8169_private *tp)
3992 {
3993 unsigned int i;
3994
3995 for (i = 0; i < NUM_RX_DESC; i++) {
3996 if (tp->Rx_databuff[i]) {
3997 rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
3998 tp->RxDescArray + i);
3999 }
4000 }
4001 }
4002
4003 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
4004 {
4005 desc->opts1 |= cpu_to_le32(RingEnd);
4006 }
4007
4008 static int rtl8169_rx_fill(struct rtl8169_private *tp)
4009 {
4010 unsigned int i;
4011
4012 for (i = 0; i < NUM_RX_DESC; i++) {
4013 void *data;
4014
4015 if (tp->Rx_databuff[i])
4016 continue;
4017
4018 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
4019 if (!data) {
4020 rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
4021 goto err_out;
4022 }
4023 tp->Rx_databuff[i] = data;
4024 }
4025
4026 rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
4027 return 0;
4028
4029 err_out:
4030 rtl8169_rx_clear(tp);
4031 return -ENOMEM;
4032 }
4033
4034 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
4035 {
4036 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
4037 }
4038
4039 static int rtl8169_init_ring(struct net_device *dev)
4040 {
4041 struct rtl8169_private *tp = netdev_priv(dev);
4042
4043 rtl8169_init_ring_indexes(tp);
4044
4045 memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
4046 memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
4047
4048 return rtl8169_rx_fill(tp);
4049 }
4050
4051 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
4052 struct TxDesc *desc)
4053 {
4054 unsigned int len = tx_skb->len;
4055
4056 dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
4057
4058 desc->opts1 = 0x00;
4059 desc->opts2 = 0x00;
4060 desc->addr = 0x00;
4061 tx_skb->len = 0;
4062 }
4063
4064 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
4065 unsigned int n)
4066 {
4067 unsigned int i;
4068
4069 for (i = 0; i < n; i++) {
4070 unsigned int entry = (start + i) % NUM_TX_DESC;
4071 struct ring_info *tx_skb = tp->tx_skb + entry;
4072 unsigned int len = tx_skb->len;
4073
4074 if (len) {
4075 struct sk_buff *skb = tx_skb->skb;
4076
4077 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
4078 tp->TxDescArray + entry);
4079 if (skb) {
4080 tp->dev->stats.tx_dropped++;
4081 dev_kfree_skb(skb);
4082 tx_skb->skb = NULL;
4083 }
4084 }
4085 }
4086 }
4087
4088 static void rtl8169_tx_clear(struct rtl8169_private *tp)
4089 {
4090 rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
4091 tp->cur_tx = tp->dirty_tx = 0;
4092 }
4093
4094 static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
4095 {
4096 struct rtl8169_private *tp = netdev_priv(dev);
4097
4098 PREPARE_DELAYED_WORK(&tp->task, task);
4099 schedule_delayed_work(&tp->task, 4);
4100 }
4101
4102 static void rtl8169_wait_for_quiescence(struct net_device *dev)
4103 {
4104 struct rtl8169_private *tp = netdev_priv(dev);
4105 void __iomem *ioaddr = tp->mmio_addr;
4106
4107 synchronize_irq(dev->irq);
4108
4109 /* Wait for any pending NAPI task to complete */
4110 napi_disable(&tp->napi);
4111
4112 rtl8169_irq_mask_and_ack(ioaddr);
4113
4114 tp->intr_mask = 0xffff;
4115 RTL_W16(IntrMask, tp->intr_event);
4116 napi_enable(&tp->napi);
4117 }
4118
4119 static void rtl8169_reinit_task(struct work_struct *work)
4120 {
4121 struct rtl8169_private *tp =
4122 container_of(work, struct rtl8169_private, task.work);
4123 struct net_device *dev = tp->dev;
4124 int ret;
4125
4126 rtnl_lock();
4127
4128 if (!netif_running(dev))
4129 goto out_unlock;
4130
4131 rtl8169_wait_for_quiescence(dev);
4132 rtl8169_close(dev);
4133
4134 ret = rtl8169_open(dev);
4135 if (unlikely(ret < 0)) {
4136 if (net_ratelimit())
4137 netif_err(tp, drv, dev,
4138 "reinit failure (status = %d). Rescheduling\n",
4139 ret);
4140 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4141 }
4142
4143 out_unlock:
4144 rtnl_unlock();
4145 }
4146
4147 static void rtl8169_reset_task(struct work_struct *work)
4148 {
4149 struct rtl8169_private *tp =
4150 container_of(work, struct rtl8169_private, task.work);
4151 struct net_device *dev = tp->dev;
4152
4153 rtnl_lock();
4154
4155 if (!netif_running(dev))
4156 goto out_unlock;
4157
4158 rtl8169_wait_for_quiescence(dev);
4159
4160 rtl8169_rx_interrupt(dev, tp, tp->mmio_addr, ~(u32)0);
4161 rtl8169_tx_clear(tp);
4162
4163 if (tp->dirty_rx == tp->cur_rx) {
4164 rtl8169_init_ring_indexes(tp);
4165 rtl_hw_start(dev);
4166 netif_wake_queue(dev);
4167 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
4168 } else {
4169 if (net_ratelimit())
4170 netif_emerg(tp, intr, dev, "Rx buffers shortage\n");
4171 rtl8169_schedule_work(dev, rtl8169_reset_task);
4172 }
4173
4174 out_unlock:
4175 rtnl_unlock();
4176 }
4177
4178 static void rtl8169_tx_timeout(struct net_device *dev)
4179 {
4180 struct rtl8169_private *tp = netdev_priv(dev);
4181
4182 rtl8169_hw_reset(tp->mmio_addr);
4183
4184 /* Let's wait a bit while any (async) irq lands on */
4185 rtl8169_schedule_work(dev, rtl8169_reset_task);
4186 }
4187
4188 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
4189 u32 opts1)
4190 {
4191 struct skb_shared_info *info = skb_shinfo(skb);
4192 unsigned int cur_frag, entry;
4193 struct TxDesc * uninitialized_var(txd);
4194 struct device *d = &tp->pci_dev->dev;
4195
4196 entry = tp->cur_tx;
4197 for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
4198 skb_frag_t *frag = info->frags + cur_frag;
4199 dma_addr_t mapping;
4200 u32 status, len;
4201 void *addr;
4202
4203 entry = (entry + 1) % NUM_TX_DESC;
4204
4205 txd = tp->TxDescArray + entry;
4206 len = frag->size;
4207 addr = ((void *) page_address(frag->page)) + frag->page_offset;
4208 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
4209 if (unlikely(dma_mapping_error(d, mapping))) {
4210 if (net_ratelimit())
4211 netif_err(tp, drv, tp->dev,
4212 "Failed to map TX fragments DMA!\n");
4213 goto err_out;
4214 }
4215
4216 /* anti gcc 2.95.3 bugware (sic) */
4217 status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
4218
4219 txd->opts1 = cpu_to_le32(status);
4220 txd->addr = cpu_to_le64(mapping);
4221
4222 tp->tx_skb[entry].len = len;
4223 }
4224
4225 if (cur_frag) {
4226 tp->tx_skb[entry].skb = skb;
4227 txd->opts1 |= cpu_to_le32(LastFrag);
4228 }
4229
4230 return cur_frag;
4231
4232 err_out:
4233 rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
4234 return -EIO;
4235 }
4236
4237 static inline u32 rtl8169_tso_csum(struct sk_buff *skb, struct net_device *dev)
4238 {
4239 if (dev->features & NETIF_F_TSO) {
4240 u32 mss = skb_shinfo(skb)->gso_size;
4241
4242 if (mss)
4243 return LargeSend | ((mss & MSSMask) << MSSShift);
4244 }
4245 if (skb->ip_summed == CHECKSUM_PARTIAL) {
4246 const struct iphdr *ip = ip_hdr(skb);
4247
4248 if (ip->protocol == IPPROTO_TCP)
4249 return IPCS | TCPCS;
4250 else if (ip->protocol == IPPROTO_UDP)
4251 return IPCS | UDPCS;
4252 WARN_ON(1); /* we need a WARN() */
4253 }
4254 return 0;
4255 }
4256
4257 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
4258 struct net_device *dev)
4259 {
4260 struct rtl8169_private *tp = netdev_priv(dev);
4261 unsigned int entry = tp->cur_tx % NUM_TX_DESC;
4262 struct TxDesc *txd = tp->TxDescArray + entry;
4263 void __iomem *ioaddr = tp->mmio_addr;
4264 struct device *d = &tp->pci_dev->dev;
4265 dma_addr_t mapping;
4266 u32 status, len;
4267 u32 opts1;
4268 int frags;
4269
4270 if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
4271 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
4272 goto err_stop_0;
4273 }
4274
4275 if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
4276 goto err_stop_0;
4277
4278 len = skb_headlen(skb);
4279 mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
4280 if (unlikely(dma_mapping_error(d, mapping))) {
4281 if (net_ratelimit())
4282 netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
4283 goto err_dma_0;
4284 }
4285
4286 tp->tx_skb[entry].len = len;
4287 txd->addr = cpu_to_le64(mapping);
4288 txd->opts2 = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
4289
4290 opts1 = DescOwn | rtl8169_tso_csum(skb, dev);
4291
4292 frags = rtl8169_xmit_frags(tp, skb, opts1);
4293 if (frags < 0)
4294 goto err_dma_1;
4295 else if (frags)
4296 opts1 |= FirstFrag;
4297 else {
4298 opts1 |= FirstFrag | LastFrag;
4299 tp->tx_skb[entry].skb = skb;
4300 }
4301
4302 wmb();
4303
4304 /* anti gcc 2.95.3 bugware (sic) */
4305 status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
4306 txd->opts1 = cpu_to_le32(status);
4307
4308 tp->cur_tx += frags + 1;
4309
4310 wmb();
4311
4312 RTL_W8(TxPoll, NPQ); /* set polling bit */
4313
4314 if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
4315 netif_stop_queue(dev);
4316 smp_rmb();
4317 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
4318 netif_wake_queue(dev);
4319 }
4320
4321 return NETDEV_TX_OK;
4322
4323 err_dma_1:
4324 rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
4325 err_dma_0:
4326 dev_kfree_skb(skb);
4327 dev->stats.tx_dropped++;
4328 return NETDEV_TX_OK;
4329
4330 err_stop_0:
4331 netif_stop_queue(dev);
4332 dev->stats.tx_dropped++;
4333 return NETDEV_TX_BUSY;
4334 }
4335
4336 static void rtl8169_pcierr_interrupt(struct net_device *dev)
4337 {
4338 struct rtl8169_private *tp = netdev_priv(dev);
4339 struct pci_dev *pdev = tp->pci_dev;
4340 void __iomem *ioaddr = tp->mmio_addr;
4341 u16 pci_status, pci_cmd;
4342
4343 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
4344 pci_read_config_word(pdev, PCI_STATUS, &pci_status);
4345
4346 netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
4347 pci_cmd, pci_status);
4348
4349 /*
4350 * The recovery sequence below admits a very elaborated explanation:
4351 * - it seems to work;
4352 * - I did not see what else could be done;
4353 * - it makes iop3xx happy.
4354 *
4355 * Feel free to adjust to your needs.
4356 */
4357 if (pdev->broken_parity_status)
4358 pci_cmd &= ~PCI_COMMAND_PARITY;
4359 else
4360 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
4361
4362 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
4363
4364 pci_write_config_word(pdev, PCI_STATUS,
4365 pci_status & (PCI_STATUS_DETECTED_PARITY |
4366 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
4367 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
4368
4369 /* The infamous DAC f*ckup only happens at boot time */
4370 if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
4371 netif_info(tp, intr, dev, "disabling PCI DAC\n");
4372 tp->cp_cmd &= ~PCIDAC;
4373 RTL_W16(CPlusCmd, tp->cp_cmd);
4374 dev->features &= ~NETIF_F_HIGHDMA;
4375 }
4376
4377 rtl8169_hw_reset(ioaddr);
4378
4379 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4380 }
4381
4382 static void rtl8169_tx_interrupt(struct net_device *dev,
4383 struct rtl8169_private *tp,
4384 void __iomem *ioaddr)
4385 {
4386 unsigned int dirty_tx, tx_left;
4387
4388 dirty_tx = tp->dirty_tx;
4389 smp_rmb();
4390 tx_left = tp->cur_tx - dirty_tx;
4391
4392 while (tx_left > 0) {
4393 unsigned int entry = dirty_tx % NUM_TX_DESC;
4394 struct ring_info *tx_skb = tp->tx_skb + entry;
4395 u32 status;
4396
4397 rmb();
4398 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
4399 if (status & DescOwn)
4400 break;
4401
4402 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
4403 tp->TxDescArray + entry);
4404 if (status & LastFrag) {
4405 dev->stats.tx_packets++;
4406 dev->stats.tx_bytes += tx_skb->skb->len;
4407 dev_kfree_skb(tx_skb->skb);
4408 tx_skb->skb = NULL;
4409 }
4410 dirty_tx++;
4411 tx_left--;
4412 }
4413
4414 if (tp->dirty_tx != dirty_tx) {
4415 tp->dirty_tx = dirty_tx;
4416 smp_wmb();
4417 if (netif_queue_stopped(dev) &&
4418 (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
4419 netif_wake_queue(dev);
4420 }
4421 /*
4422 * 8168 hack: TxPoll requests are lost when the Tx packets are
4423 * too close. Let's kick an extra TxPoll request when a burst
4424 * of start_xmit activity is detected (if it is not detected,
4425 * it is slow enough). -- FR
4426 */
4427 smp_rmb();
4428 if (tp->cur_tx != dirty_tx)
4429 RTL_W8(TxPoll, NPQ);
4430 }
4431 }
4432
4433 static inline int rtl8169_fragmented_frame(u32 status)
4434 {
4435 return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
4436 }
4437
4438 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
4439 {
4440 u32 status = opts1 & RxProtoMask;
4441
4442 if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
4443 ((status == RxProtoUDP) && !(opts1 & UDPFail)))
4444 skb->ip_summed = CHECKSUM_UNNECESSARY;
4445 else
4446 skb_checksum_none_assert(skb);
4447 }
4448
4449 static struct sk_buff *rtl8169_try_rx_copy(void *data,
4450 struct rtl8169_private *tp,
4451 int pkt_size,
4452 dma_addr_t addr)
4453 {
4454 struct sk_buff *skb;
4455 struct device *d = &tp->pci_dev->dev;
4456
4457 data = rtl8169_align(data);
4458 dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
4459 prefetch(data);
4460 skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
4461 if (skb)
4462 memcpy(skb->data, data, pkt_size);
4463 dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
4464
4465 return skb;
4466 }
4467
4468 /*
4469 * Warning : rtl8169_rx_interrupt() might be called :
4470 * 1) from NAPI (softirq) context
4471 * (polling = 1 : we should call netif_receive_skb())
4472 * 2) from process context (rtl8169_reset_task())
4473 * (polling = 0 : we must call netif_rx() instead)
4474 */
4475 static int rtl8169_rx_interrupt(struct net_device *dev,
4476 struct rtl8169_private *tp,
4477 void __iomem *ioaddr, u32 budget)
4478 {
4479 unsigned int cur_rx, rx_left;
4480 unsigned int count;
4481 int polling = (budget != ~(u32)0) ? 1 : 0;
4482
4483 cur_rx = tp->cur_rx;
4484 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
4485 rx_left = min(rx_left, budget);
4486
4487 for (; rx_left > 0; rx_left--, cur_rx++) {
4488 unsigned int entry = cur_rx % NUM_RX_DESC;
4489 struct RxDesc *desc = tp->RxDescArray + entry;
4490 u32 status;
4491
4492 rmb();
4493 status = le32_to_cpu(desc->opts1);
4494
4495 if (status & DescOwn)
4496 break;
4497 if (unlikely(status & RxRES)) {
4498 netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
4499 status);
4500 dev->stats.rx_errors++;
4501 if (status & (RxRWT | RxRUNT))
4502 dev->stats.rx_length_errors++;
4503 if (status & RxCRC)
4504 dev->stats.rx_crc_errors++;
4505 if (status & RxFOVF) {
4506 rtl8169_schedule_work(dev, rtl8169_reset_task);
4507 dev->stats.rx_fifo_errors++;
4508 }
4509 rtl8169_mark_to_asic(desc, rx_buf_sz);
4510 } else {
4511 struct sk_buff *skb;
4512 dma_addr_t addr = le64_to_cpu(desc->addr);
4513 int pkt_size = (status & 0x00001FFF) - 4;
4514
4515 /*
4516 * The driver does not support incoming fragmented
4517 * frames. They are seen as a symptom of over-mtu
4518 * sized frames.
4519 */
4520 if (unlikely(rtl8169_fragmented_frame(status))) {
4521 dev->stats.rx_dropped++;
4522 dev->stats.rx_length_errors++;
4523 rtl8169_mark_to_asic(desc, rx_buf_sz);
4524 continue;
4525 }
4526
4527 skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
4528 tp, pkt_size, addr);
4529 rtl8169_mark_to_asic(desc, rx_buf_sz);
4530 if (!skb) {
4531 dev->stats.rx_dropped++;
4532 continue;
4533 }
4534
4535 rtl8169_rx_csum(skb, status);
4536 skb_put(skb, pkt_size);
4537 skb->protocol = eth_type_trans(skb, dev);
4538
4539 if (rtl8169_rx_vlan_skb(tp, desc, skb, polling) < 0) {
4540 if (likely(polling))
4541 napi_gro_receive(&tp->napi, skb);
4542 else
4543 netif_rx(skb);
4544 }
4545
4546 dev->stats.rx_bytes += pkt_size;
4547 dev->stats.rx_packets++;
4548 }
4549
4550 /* Work around for AMD plateform. */
4551 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
4552 (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
4553 desc->opts2 = 0;
4554 cur_rx++;
4555 }
4556 }
4557
4558 count = cur_rx - tp->cur_rx;
4559 tp->cur_rx = cur_rx;
4560
4561 tp->dirty_rx += count;
4562
4563 return count;
4564 }
4565
4566 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
4567 {
4568 struct net_device *dev = dev_instance;
4569 struct rtl8169_private *tp = netdev_priv(dev);
4570 void __iomem *ioaddr = tp->mmio_addr;
4571 int handled = 0;
4572 int status;
4573
4574 /* loop handling interrupts until we have no new ones or
4575 * we hit a invalid/hotplug case.
4576 */
4577 status = RTL_R16(IntrStatus);
4578 while (status && status != 0xffff) {
4579 handled = 1;
4580
4581 /* Handle all of the error cases first. These will reset
4582 * the chip, so just exit the loop.
4583 */
4584 if (unlikely(!netif_running(dev))) {
4585 rtl8169_asic_down(ioaddr);
4586 break;
4587 }
4588
4589 /* Work around for rx fifo overflow */
4590 if (unlikely(status & RxFIFOOver) &&
4591 (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
4592 netif_stop_queue(dev);
4593 rtl8169_tx_timeout(dev);
4594 break;
4595 }
4596
4597 if (unlikely(status & SYSErr)) {
4598 rtl8169_pcierr_interrupt(dev);
4599 break;
4600 }
4601
4602 if (status & LinkChg)
4603 rtl8169_check_link_status(dev, tp, ioaddr);
4604
4605 /* We need to see the lastest version of tp->intr_mask to
4606 * avoid ignoring an MSI interrupt and having to wait for
4607 * another event which may never come.
4608 */
4609 smp_rmb();
4610 if (status & tp->intr_mask & tp->napi_event) {
4611 RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
4612 tp->intr_mask = ~tp->napi_event;
4613
4614 if (likely(napi_schedule_prep(&tp->napi)))
4615 __napi_schedule(&tp->napi);
4616 else
4617 netif_info(tp, intr, dev,
4618 "interrupt %04x in poll\n", status);
4619 }
4620
4621 /* We only get a new MSI interrupt when all active irq
4622 * sources on the chip have been acknowledged. So, ack
4623 * everything we've seen and check if new sources have become
4624 * active to avoid blocking all interrupts from the chip.
4625 */
4626 RTL_W16(IntrStatus,
4627 (status & RxFIFOOver) ? (status | RxOverflow) : status);
4628 status = RTL_R16(IntrStatus);
4629 }
4630
4631 return IRQ_RETVAL(handled);
4632 }
4633
4634 static int rtl8169_poll(struct napi_struct *napi, int budget)
4635 {
4636 struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
4637 struct net_device *dev = tp->dev;
4638 void __iomem *ioaddr = tp->mmio_addr;
4639 int work_done;
4640
4641 work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
4642 rtl8169_tx_interrupt(dev, tp, ioaddr);
4643
4644 if (work_done < budget) {
4645 napi_complete(napi);
4646
4647 /* We need for force the visibility of tp->intr_mask
4648 * for other CPUs, as we can loose an MSI interrupt
4649 * and potentially wait for a retransmit timeout if we don't.
4650 * The posted write to IntrMask is safe, as it will
4651 * eventually make it to the chip and we won't loose anything
4652 * until it does.
4653 */
4654 tp->intr_mask = 0xffff;
4655 wmb();
4656 RTL_W16(IntrMask, tp->intr_event);
4657 }
4658
4659 return work_done;
4660 }
4661
4662 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
4663 {
4664 struct rtl8169_private *tp = netdev_priv(dev);
4665
4666 if (tp->mac_version > RTL_GIGA_MAC_VER_06)
4667 return;
4668
4669 dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
4670 RTL_W32(RxMissed, 0);
4671 }
4672
4673 static void rtl8169_down(struct net_device *dev)
4674 {
4675 struct rtl8169_private *tp = netdev_priv(dev);
4676 void __iomem *ioaddr = tp->mmio_addr;
4677
4678 rtl8169_delete_timer(dev);
4679
4680 netif_stop_queue(dev);
4681
4682 napi_disable(&tp->napi);
4683
4684 spin_lock_irq(&tp->lock);
4685
4686 rtl8169_asic_down(ioaddr);
4687 /*
4688 * At this point device interrupts can not be enabled in any function,
4689 * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task,
4690 * rtl8169_reinit_task) and napi is disabled (rtl8169_poll).
4691 */
4692 rtl8169_rx_missed(dev, ioaddr);
4693
4694 spin_unlock_irq(&tp->lock);
4695
4696 synchronize_irq(dev->irq);
4697
4698 /* Give a racing hard_start_xmit a few cycles to complete. */
4699 synchronize_sched(); /* FIXME: should this be synchronize_irq()? */
4700
4701 rtl8169_tx_clear(tp);
4702
4703 rtl8169_rx_clear(tp);
4704 }
4705
4706 static int rtl8169_close(struct net_device *dev)
4707 {
4708 struct rtl8169_private *tp = netdev_priv(dev);
4709 struct pci_dev *pdev = tp->pci_dev;
4710
4711 pm_runtime_get_sync(&pdev->dev);
4712
4713 /* update counters before going down */
4714 rtl8169_update_counters(dev);
4715
4716 rtl8169_down(dev);
4717
4718 free_irq(dev->irq, dev);
4719
4720 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
4721 tp->RxPhyAddr);
4722 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
4723 tp->TxPhyAddr);
4724 tp->TxDescArray = NULL;
4725 tp->RxDescArray = NULL;
4726
4727 pm_runtime_put_sync(&pdev->dev);
4728
4729 return 0;
4730 }
4731
4732 static void rtl_set_rx_mode(struct net_device *dev)
4733 {
4734 struct rtl8169_private *tp = netdev_priv(dev);
4735 void __iomem *ioaddr = tp->mmio_addr;
4736 unsigned long flags;
4737 u32 mc_filter[2]; /* Multicast hash filter */
4738 int rx_mode;
4739 u32 tmp = 0;
4740
4741 if (dev->flags & IFF_PROMISC) {
4742 /* Unconditionally log net taps. */
4743 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
4744 rx_mode =
4745 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
4746 AcceptAllPhys;
4747 mc_filter[1] = mc_filter[0] = 0xffffffff;
4748 } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
4749 (dev->flags & IFF_ALLMULTI)) {
4750 /* Too many to filter perfectly -- accept all multicasts. */
4751 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
4752 mc_filter[1] = mc_filter[0] = 0xffffffff;
4753 } else {
4754 struct netdev_hw_addr *ha;
4755
4756 rx_mode = AcceptBroadcast | AcceptMyPhys;
4757 mc_filter[1] = mc_filter[0] = 0;
4758 netdev_for_each_mc_addr(ha, dev) {
4759 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
4760 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
4761 rx_mode |= AcceptMulticast;
4762 }
4763 }
4764
4765 spin_lock_irqsave(&tp->lock, flags);
4766
4767 tmp = rtl8169_rx_config | rx_mode |
4768 (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask);
4769
4770 if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
4771 u32 data = mc_filter[0];
4772
4773 mc_filter[0] = swab32(mc_filter[1]);
4774 mc_filter[1] = swab32(data);
4775 }
4776
4777 RTL_W32(MAR0 + 4, mc_filter[1]);
4778 RTL_W32(MAR0 + 0, mc_filter[0]);
4779
4780 RTL_W32(RxConfig, tmp);
4781
4782 spin_unlock_irqrestore(&tp->lock, flags);
4783 }
4784
4785 /**
4786 * rtl8169_get_stats - Get rtl8169 read/write statistics
4787 * @dev: The Ethernet Device to get statistics for
4788 *
4789 * Get TX/RX statistics for rtl8169
4790 */
4791 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
4792 {
4793 struct rtl8169_private *tp = netdev_priv(dev);
4794 void __iomem *ioaddr = tp->mmio_addr;
4795 unsigned long flags;
4796
4797 if (netif_running(dev)) {
4798 spin_lock_irqsave(&tp->lock, flags);
4799 rtl8169_rx_missed(dev, ioaddr);
4800 spin_unlock_irqrestore(&tp->lock, flags);
4801 }
4802
4803 return &dev->stats;
4804 }
4805
4806 static void rtl8169_net_suspend(struct net_device *dev)
4807 {
4808 if (!netif_running(dev))
4809 return;
4810
4811 netif_device_detach(dev);
4812 netif_stop_queue(dev);
4813 }
4814
4815 #ifdef CONFIG_PM
4816
4817 static int rtl8169_suspend(struct device *device)
4818 {
4819 struct pci_dev *pdev = to_pci_dev(device);
4820 struct net_device *dev = pci_get_drvdata(pdev);
4821
4822 rtl8169_net_suspend(dev);
4823
4824 return 0;
4825 }
4826
4827 static void __rtl8169_resume(struct net_device *dev)
4828 {
4829 netif_device_attach(dev);
4830 rtl8169_schedule_work(dev, rtl8169_reset_task);
4831 }
4832
4833 static int rtl8169_resume(struct device *device)
4834 {
4835 struct pci_dev *pdev = to_pci_dev(device);
4836 struct net_device *dev = pci_get_drvdata(pdev);
4837 struct rtl8169_private *tp = netdev_priv(dev);
4838
4839 rtl8169_init_phy(dev, tp);
4840
4841 if (netif_running(dev))
4842 __rtl8169_resume(dev);
4843
4844 return 0;
4845 }
4846
4847 static int rtl8169_runtime_suspend(struct device *device)
4848 {
4849 struct pci_dev *pdev = to_pci_dev(device);
4850 struct net_device *dev = pci_get_drvdata(pdev);
4851 struct rtl8169_private *tp = netdev_priv(dev);
4852
4853 if (!tp->TxDescArray)
4854 return 0;
4855
4856 spin_lock_irq(&tp->lock);
4857 tp->saved_wolopts = __rtl8169_get_wol(tp);
4858 __rtl8169_set_wol(tp, WAKE_ANY);
4859 spin_unlock_irq(&tp->lock);
4860
4861 rtl8169_net_suspend(dev);
4862
4863 return 0;
4864 }
4865
4866 static int rtl8169_runtime_resume(struct device *device)
4867 {
4868 struct pci_dev *pdev = to_pci_dev(device);
4869 struct net_device *dev = pci_get_drvdata(pdev);
4870 struct rtl8169_private *tp = netdev_priv(dev);
4871
4872 if (!tp->TxDescArray)
4873 return 0;
4874
4875 spin_lock_irq(&tp->lock);
4876 __rtl8169_set_wol(tp, tp->saved_wolopts);
4877 tp->saved_wolopts = 0;
4878 spin_unlock_irq(&tp->lock);
4879
4880 rtl8169_init_phy(dev, tp);
4881
4882 __rtl8169_resume(dev);
4883
4884 return 0;
4885 }
4886
4887 static int rtl8169_runtime_idle(struct device *device)
4888 {
4889 struct pci_dev *pdev = to_pci_dev(device);
4890 struct net_device *dev = pci_get_drvdata(pdev);
4891 struct rtl8169_private *tp = netdev_priv(dev);
4892
4893 if (!tp->TxDescArray)
4894 return 0;
4895
4896 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
4897 return -EBUSY;
4898 }
4899
4900 static const struct dev_pm_ops rtl8169_pm_ops = {
4901 .suspend = rtl8169_suspend,
4902 .resume = rtl8169_resume,
4903 .freeze = rtl8169_suspend,
4904 .thaw = rtl8169_resume,
4905 .poweroff = rtl8169_suspend,
4906 .restore = rtl8169_resume,
4907 .runtime_suspend = rtl8169_runtime_suspend,
4908 .runtime_resume = rtl8169_runtime_resume,
4909 .runtime_idle = rtl8169_runtime_idle,
4910 };
4911
4912 #define RTL8169_PM_OPS (&rtl8169_pm_ops)
4913
4914 #else /* !CONFIG_PM */
4915
4916 #define RTL8169_PM_OPS NULL
4917
4918 #endif /* !CONFIG_PM */
4919
4920 static void rtl_shutdown(struct pci_dev *pdev)
4921 {
4922 struct net_device *dev = pci_get_drvdata(pdev);
4923 struct rtl8169_private *tp = netdev_priv(dev);
4924 void __iomem *ioaddr = tp->mmio_addr;
4925
4926 rtl8169_net_suspend(dev);
4927
4928 /* restore original MAC address */
4929 rtl_rar_set(tp, dev->perm_addr);
4930
4931 spin_lock_irq(&tp->lock);
4932
4933 rtl8169_asic_down(ioaddr);
4934
4935 spin_unlock_irq(&tp->lock);
4936
4937 if (system_state == SYSTEM_POWER_OFF) {
4938 /* WoL fails with some 8168 when the receiver is disabled. */
4939 if (tp->features & RTL_FEATURE_WOL) {
4940 pci_clear_master(pdev);
4941
4942 RTL_W8(ChipCmd, CmdRxEnb);
4943 /* PCI commit */
4944 RTL_R8(ChipCmd);
4945 }
4946
4947 pci_wake_from_d3(pdev, true);
4948 pci_set_power_state(pdev, PCI_D3hot);
4949 }
4950 }
4951
4952 static struct pci_driver rtl8169_pci_driver = {
4953 .name = MODULENAME,
4954 .id_table = rtl8169_pci_tbl,
4955 .probe = rtl8169_init_one,
4956 .remove = __devexit_p(rtl8169_remove_one),
4957 .shutdown = rtl_shutdown,
4958 .driver.pm = RTL8169_PM_OPS,
4959 };
4960
4961 static int __init rtl8169_init_module(void)
4962 {
4963 return pci_register_driver(&rtl8169_pci_driver);
4964 }
4965
4966 static void __exit rtl8169_cleanup_module(void)
4967 {
4968 pci_unregister_driver(&rtl8169_pci_driver);
4969 }
4970
4971 module_init(rtl8169_init_module);
4972 module_exit(rtl8169_cleanup_module);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree