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panasonic-laptop: Simplify calls to acpi_pcc_retrieve_biosdata
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / r8169.c
blob992db2fa136e9c5e6f5130c053393aa662d4e5c9
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 /*
191 * we set our copybreak very high so that we don't have
192 * to allocate 16k frames all the time (see note in
193 * rtl8169_open()
194 */
195 static int rx_copybreak = 16383;
196 static int use_dac;
197 static struct {
198 u32 msg_enable;
199 } debug = { -1 };
200
201 enum rtl_registers {
202 MAC0 = 0, /* Ethernet hardware address. */
203 MAC4 = 4,
204 MAR0 = 8, /* Multicast filter. */
205 CounterAddrLow = 0x10,
206 CounterAddrHigh = 0x14,
207 TxDescStartAddrLow = 0x20,
208 TxDescStartAddrHigh = 0x24,
209 TxHDescStartAddrLow = 0x28,
210 TxHDescStartAddrHigh = 0x2c,
211 FLASH = 0x30,
212 ERSR = 0x36,
213 ChipCmd = 0x37,
214 TxPoll = 0x38,
215 IntrMask = 0x3c,
216 IntrStatus = 0x3e,
217 TxConfig = 0x40,
218 RxConfig = 0x44,
219 RxMissed = 0x4c,
220 Cfg9346 = 0x50,
221 Config0 = 0x51,
222 Config1 = 0x52,
223 Config2 = 0x53,
224 Config3 = 0x54,
225 Config4 = 0x55,
226 Config5 = 0x56,
227 MultiIntr = 0x5c,
228 PHYAR = 0x60,
229 PHYstatus = 0x6c,
230 RxMaxSize = 0xda,
231 CPlusCmd = 0xe0,
232 IntrMitigate = 0xe2,
233 RxDescAddrLow = 0xe4,
234 RxDescAddrHigh = 0xe8,
235 EarlyTxThres = 0xec,
236 FuncEvent = 0xf0,
237 FuncEventMask = 0xf4,
238 FuncPresetState = 0xf8,
239 FuncForceEvent = 0xfc,
240 };
241
242 enum rtl8110_registers {
243 TBICSR = 0x64,
244 TBI_ANAR = 0x68,
245 TBI_LPAR = 0x6a,
246 };
247
248 enum rtl8168_8101_registers {
249 CSIDR = 0x64,
250 CSIAR = 0x68,
251 #define CSIAR_FLAG 0x80000000
252 #define CSIAR_WRITE_CMD 0x80000000
253 #define CSIAR_BYTE_ENABLE 0x0f
254 #define CSIAR_BYTE_ENABLE_SHIFT 12
255 #define CSIAR_ADDR_MASK 0x0fff
256
257 EPHYAR = 0x80,
258 #define EPHYAR_FLAG 0x80000000
259 #define EPHYAR_WRITE_CMD 0x80000000
260 #define EPHYAR_REG_MASK 0x1f
261 #define EPHYAR_REG_SHIFT 16
262 #define EPHYAR_DATA_MASK 0xffff
263 DBG_REG = 0xd1,
264 #define FIX_NAK_1 (1 << 4)
265 #define FIX_NAK_2 (1 << 3)
266 EFUSEAR = 0xdc,
267 #define EFUSEAR_FLAG 0x80000000
268 #define EFUSEAR_WRITE_CMD 0x80000000
269 #define EFUSEAR_READ_CMD 0x00000000
270 #define EFUSEAR_REG_MASK 0x03ff
271 #define EFUSEAR_REG_SHIFT 8
272 #define EFUSEAR_DATA_MASK 0xff
273 };
274
275 enum rtl_register_content {
276 /* InterruptStatusBits */
277 SYSErr = 0x8000,
278 PCSTimeout = 0x4000,
279 SWInt = 0x0100,
280 TxDescUnavail = 0x0080,
281 RxFIFOOver = 0x0040,
282 LinkChg = 0x0020,
283 RxOverflow = 0x0010,
284 TxErr = 0x0008,
285 TxOK = 0x0004,
286 RxErr = 0x0002,
287 RxOK = 0x0001,
288
289 /* RxStatusDesc */
290 RxFOVF = (1 << 23),
291 RxRWT = (1 << 22),
292 RxRES = (1 << 21),
293 RxRUNT = (1 << 20),
294 RxCRC = (1 << 19),
295
296 /* ChipCmdBits */
297 CmdReset = 0x10,
298 CmdRxEnb = 0x08,
299 CmdTxEnb = 0x04,
300 RxBufEmpty = 0x01,
301
302 /* TXPoll register p.5 */
303 HPQ = 0x80, /* Poll cmd on the high prio queue */
304 NPQ = 0x40, /* Poll cmd on the low prio queue */
305 FSWInt = 0x01, /* Forced software interrupt */
306
307 /* Cfg9346Bits */
308 Cfg9346_Lock = 0x00,
309 Cfg9346_Unlock = 0xc0,
310
311 /* rx_mode_bits */
312 AcceptErr = 0x20,
313 AcceptRunt = 0x10,
314 AcceptBroadcast = 0x08,
315 AcceptMulticast = 0x04,
316 AcceptMyPhys = 0x02,
317 AcceptAllPhys = 0x01,
318
319 /* RxConfigBits */
320 RxCfgFIFOShift = 13,
321 RxCfgDMAShift = 8,
322
323 /* TxConfigBits */
324 TxInterFrameGapShift = 24,
325 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
326
327 /* Config1 register p.24 */
328 LEDS1 = (1 << 7),
329 LEDS0 = (1 << 6),
330 MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */
331 Speed_down = (1 << 4),
332 MEMMAP = (1 << 3),
333 IOMAP = (1 << 2),
334 VPD = (1 << 1),
335 PMEnable = (1 << 0), /* Power Management Enable */
336
337 /* Config2 register p. 25 */
338 PCI_Clock_66MHz = 0x01,
339 PCI_Clock_33MHz = 0x00,
340
341 /* Config3 register p.25 */
342 MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
343 LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
344 Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */
345
346 /* Config5 register p.27 */
347 BWF = (1 << 6), /* Accept Broadcast wakeup frame */
348 MWF = (1 << 5), /* Accept Multicast wakeup frame */
349 UWF = (1 << 4), /* Accept Unicast wakeup frame */
350 LanWake = (1 << 1), /* LanWake enable/disable */
351 PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
352
353 /* TBICSR p.28 */
354 TBIReset = 0x80000000,
355 TBILoopback = 0x40000000,
356 TBINwEnable = 0x20000000,
357 TBINwRestart = 0x10000000,
358 TBILinkOk = 0x02000000,
359 TBINwComplete = 0x01000000,
360
361 /* CPlusCmd p.31 */
362 EnableBist = (1 << 15), // 8168 8101
363 Mac_dbgo_oe = (1 << 14), // 8168 8101
364 Normal_mode = (1 << 13), // unused
365 Force_half_dup = (1 << 12), // 8168 8101
366 Force_rxflow_en = (1 << 11), // 8168 8101
367 Force_txflow_en = (1 << 10), // 8168 8101
368 Cxpl_dbg_sel = (1 << 9), // 8168 8101
369 ASF = (1 << 8), // 8168 8101
370 PktCntrDisable = (1 << 7), // 8168 8101
371 Mac_dbgo_sel = 0x001c, // 8168
372 RxVlan = (1 << 6),
373 RxChkSum = (1 << 5),
374 PCIDAC = (1 << 4),
375 PCIMulRW = (1 << 3),
376 INTT_0 = 0x0000, // 8168
377 INTT_1 = 0x0001, // 8168
378 INTT_2 = 0x0002, // 8168
379 INTT_3 = 0x0003, // 8168
380
381 /* rtl8169_PHYstatus */
382 TBI_Enable = 0x80,
383 TxFlowCtrl = 0x40,
384 RxFlowCtrl = 0x20,
385 _1000bpsF = 0x10,
386 _100bps = 0x08,
387 _10bps = 0x04,
388 LinkStatus = 0x02,
389 FullDup = 0x01,
390
391 /* _TBICSRBit */
392 TBILinkOK = 0x02000000,
393
394 /* DumpCounterCommand */
395 CounterDump = 0x8,
396 };
397
398 enum desc_status_bit {
399 DescOwn = (1 << 31), /* Descriptor is owned by NIC */
400 RingEnd = (1 << 30), /* End of descriptor ring */
401 FirstFrag = (1 << 29), /* First segment of a packet */
402 LastFrag = (1 << 28), /* Final segment of a packet */
403
404 /* Tx private */
405 LargeSend = (1 << 27), /* TCP Large Send Offload (TSO) */
406 MSSShift = 16, /* MSS value position */
407 MSSMask = 0xfff, /* MSS value + LargeSend bit: 12 bits */
408 IPCS = (1 << 18), /* Calculate IP checksum */
409 UDPCS = (1 << 17), /* Calculate UDP/IP checksum */
410 TCPCS = (1 << 16), /* Calculate TCP/IP checksum */
411 TxVlanTag = (1 << 17), /* Add VLAN tag */
412
413 /* Rx private */
414 PID1 = (1 << 18), /* Protocol ID bit 1/2 */
415 PID0 = (1 << 17), /* Protocol ID bit 2/2 */
416
417 #define RxProtoUDP (PID1)
418 #define RxProtoTCP (PID0)
419 #define RxProtoIP (PID1 | PID0)
420 #define RxProtoMask RxProtoIP
421
422 IPFail = (1 << 16), /* IP checksum failed */
423 UDPFail = (1 << 15), /* UDP/IP checksum failed */
424 TCPFail = (1 << 14), /* TCP/IP checksum failed */
425 RxVlanTag = (1 << 16), /* VLAN tag available */
426 };
427
428 #define RsvdMask 0x3fffc000
429
430 struct TxDesc {
431 __le32 opts1;
432 __le32 opts2;
433 __le64 addr;
434 };
435
436 struct RxDesc {
437 __le32 opts1;
438 __le32 opts2;
439 __le64 addr;
440 };
441
442 struct ring_info {
443 struct sk_buff *skb;
444 u32 len;
445 u8 __pad[sizeof(void *) - sizeof(u32)];
446 };
447
448 enum features {
449 RTL_FEATURE_WOL = (1 << 0),
450 RTL_FEATURE_MSI = (1 << 1),
451 RTL_FEATURE_GMII = (1 << 2),
452 };
453
454 struct rtl8169_counters {
455 __le64 tx_packets;
456 __le64 rx_packets;
457 __le64 tx_errors;
458 __le32 rx_errors;
459 __le16 rx_missed;
460 __le16 align_errors;
461 __le32 tx_one_collision;
462 __le32 tx_multi_collision;
463 __le64 rx_unicast;
464 __le64 rx_broadcast;
465 __le32 rx_multicast;
466 __le16 tx_aborted;
467 __le16 tx_underun;
468 };
469
470 struct rtl8169_private {
471 void __iomem *mmio_addr; /* memory map physical address */
472 struct pci_dev *pci_dev; /* Index of PCI device */
473 struct net_device *dev;
474 struct napi_struct napi;
475 spinlock_t lock; /* spin lock flag */
476 u32 msg_enable;
477 int chipset;
478 int mac_version;
479 u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
480 u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
481 u32 dirty_rx;
482 u32 dirty_tx;
483 struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
484 struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
485 dma_addr_t TxPhyAddr;
486 dma_addr_t RxPhyAddr;
487 struct sk_buff *Rx_skbuff[NUM_RX_DESC]; /* Rx data buffers */
488 struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
489 unsigned align;
490 unsigned rx_buf_sz;
491 struct timer_list timer;
492 u16 cp_cmd;
493 u16 intr_event;
494 u16 napi_event;
495 u16 intr_mask;
496 int phy_1000_ctrl_reg;
497 #ifdef CONFIG_R8169_VLAN
498 struct vlan_group *vlgrp;
499 #endif
500 int (*set_speed)(struct net_device *, u8 autoneg, u16 speed, u8 duplex);
501 int (*get_settings)(struct net_device *, struct ethtool_cmd *);
502 void (*phy_reset_enable)(void __iomem *);
503 void (*hw_start)(struct net_device *);
504 unsigned int (*phy_reset_pending)(void __iomem *);
505 unsigned int (*link_ok)(void __iomem *);
506 int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
507 int pcie_cap;
508 struct delayed_work task;
509 unsigned features;
510
511 struct mii_if_info mii;
512 struct rtl8169_counters counters;
513 u32 saved_wolopts;
514 };
515
516 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
517 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
518 module_param(rx_copybreak, int, 0);
519 MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
520 module_param(use_dac, int, 0);
521 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
522 module_param_named(debug, debug.msg_enable, int, 0);
523 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
524 MODULE_LICENSE("GPL");
525 MODULE_VERSION(RTL8169_VERSION);
526
527 static int rtl8169_open(struct net_device *dev);
528 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
529 struct net_device *dev);
530 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
531 static int rtl8169_init_ring(struct net_device *dev);
532 static void rtl_hw_start(struct net_device *dev);
533 static int rtl8169_close(struct net_device *dev);
534 static void rtl_set_rx_mode(struct net_device *dev);
535 static void rtl8169_tx_timeout(struct net_device *dev);
536 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
537 static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
538 void __iomem *, u32 budget);
539 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
540 static void rtl8169_down(struct net_device *dev);
541 static void rtl8169_rx_clear(struct rtl8169_private *tp);
542 static int rtl8169_poll(struct napi_struct *napi, int budget);
543
544 static const unsigned int rtl8169_rx_config =
545 (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);
546
547 static void mdio_write(void __iomem *ioaddr, int reg_addr, int value)
548 {
549 int i;
550
551 RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
552
553 for (i = 20; i > 0; i--) {
554 /*
555 * Check if the RTL8169 has completed writing to the specified
556 * MII register.
557 */
558 if (!(RTL_R32(PHYAR) & 0x80000000))
559 break;
560 udelay(25);
561 }
562 /*
563 * According to hardware specs a 20us delay is required after write
564 * complete indication, but before sending next command.
565 */
566 udelay(20);
567 }
568
569 static int mdio_read(void __iomem *ioaddr, int reg_addr)
570 {
571 int i, value = -1;
572
573 RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
574
575 for (i = 20; i > 0; i--) {
576 /*
577 * Check if the RTL8169 has completed retrieving data from
578 * the specified MII register.
579 */
580 if (RTL_R32(PHYAR) & 0x80000000) {
581 value = RTL_R32(PHYAR) & 0xffff;
582 break;
583 }
584 udelay(25);
585 }
586 /*
587 * According to hardware specs a 20us delay is required after read
588 * complete indication, but before sending next command.
589 */
590 udelay(20);
591
592 return value;
593 }
594
595 static void mdio_patch(void __iomem *ioaddr, int reg_addr, int value)
596 {
597 mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value);
598 }
599
600 static void mdio_plus_minus(void __iomem *ioaddr, int reg_addr, int p, int m)
601 {
602 int val;
603
604 val = mdio_read(ioaddr, reg_addr);
605 mdio_write(ioaddr, reg_addr, (val | p) & ~m);
606 }
607
608 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
609 int val)
610 {
611 struct rtl8169_private *tp = netdev_priv(dev);
612 void __iomem *ioaddr = tp->mmio_addr;
613
614 mdio_write(ioaddr, location, val);
615 }
616
617 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
618 {
619 struct rtl8169_private *tp = netdev_priv(dev);
620 void __iomem *ioaddr = tp->mmio_addr;
621
622 return mdio_read(ioaddr, location);
623 }
624
625 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
626 {
627 unsigned int i;
628
629 RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
630 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
631
632 for (i = 0; i < 100; i++) {
633 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
634 break;
635 udelay(10);
636 }
637 }
638
639 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
640 {
641 u16 value = 0xffff;
642 unsigned int i;
643
644 RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
645
646 for (i = 0; i < 100; i++) {
647 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
648 value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
649 break;
650 }
651 udelay(10);
652 }
653
654 return value;
655 }
656
657 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
658 {
659 unsigned int i;
660
661 RTL_W32(CSIDR, value);
662 RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
663 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
664
665 for (i = 0; i < 100; i++) {
666 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
667 break;
668 udelay(10);
669 }
670 }
671
672 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
673 {
674 u32 value = ~0x00;
675 unsigned int i;
676
677 RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
678 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
679
680 for (i = 0; i < 100; i++) {
681 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
682 value = RTL_R32(CSIDR);
683 break;
684 }
685 udelay(10);
686 }
687
688 return value;
689 }
690
691 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
692 {
693 u8 value = 0xff;
694 unsigned int i;
695
696 RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
697
698 for (i = 0; i < 300; i++) {
699 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
700 value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
701 break;
702 }
703 udelay(100);
704 }
705
706 return value;
707 }
708
709 static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
710 {
711 RTL_W16(IntrMask, 0x0000);
712
713 RTL_W16(IntrStatus, 0xffff);
714 }
715
716 static void rtl8169_asic_down(void __iomem *ioaddr)
717 {
718 RTL_W8(ChipCmd, 0x00);
719 rtl8169_irq_mask_and_ack(ioaddr);
720 RTL_R16(CPlusCmd);
721 }
722
723 static unsigned int rtl8169_tbi_reset_pending(void __iomem *ioaddr)
724 {
725 return RTL_R32(TBICSR) & TBIReset;
726 }
727
728 static unsigned int rtl8169_xmii_reset_pending(void __iomem *ioaddr)
729 {
730 return mdio_read(ioaddr, MII_BMCR) & BMCR_RESET;
731 }
732
733 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
734 {
735 return RTL_R32(TBICSR) & TBILinkOk;
736 }
737
738 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
739 {
740 return RTL_R8(PHYstatus) & LinkStatus;
741 }
742
743 static void rtl8169_tbi_reset_enable(void __iomem *ioaddr)
744 {
745 RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
746 }
747
748 static void rtl8169_xmii_reset_enable(void __iomem *ioaddr)
749 {
750 unsigned int val;
751
752 val = mdio_read(ioaddr, MII_BMCR) | BMCR_RESET;
753 mdio_write(ioaddr, MII_BMCR, val & 0xffff);
754 }
755
756 static void rtl8169_check_link_status(struct net_device *dev,
757 struct rtl8169_private *tp,
758 void __iomem *ioaddr)
759 {
760 unsigned long flags;
761
762 spin_lock_irqsave(&tp->lock, flags);
763 if (tp->link_ok(ioaddr)) {
764 /* This is to cancel a scheduled suspend if there's one. */
765 pm_request_resume(&tp->pci_dev->dev);
766 netif_carrier_on(dev);
767 netif_info(tp, ifup, dev, "link up\n");
768 } else {
769 netif_carrier_off(dev);
770 netif_info(tp, ifdown, dev, "link down\n");
771 pm_schedule_suspend(&tp->pci_dev->dev, 100);
772 }
773 spin_unlock_irqrestore(&tp->lock, flags);
774 }
775
776 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
777
778 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
779 {
780 void __iomem *ioaddr = tp->mmio_addr;
781 u8 options;
782 u32 wolopts = 0;
783
784 options = RTL_R8(Config1);
785 if (!(options & PMEnable))
786 return 0;
787
788 options = RTL_R8(Config3);
789 if (options & LinkUp)
790 wolopts |= WAKE_PHY;
791 if (options & MagicPacket)
792 wolopts |= WAKE_MAGIC;
793
794 options = RTL_R8(Config5);
795 if (options & UWF)
796 wolopts |= WAKE_UCAST;
797 if (options & BWF)
798 wolopts |= WAKE_BCAST;
799 if (options & MWF)
800 wolopts |= WAKE_MCAST;
801
802 return wolopts;
803 }
804
805 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
806 {
807 struct rtl8169_private *tp = netdev_priv(dev);
808
809 spin_lock_irq(&tp->lock);
810
811 wol->supported = WAKE_ANY;
812 wol->wolopts = __rtl8169_get_wol(tp);
813
814 spin_unlock_irq(&tp->lock);
815 }
816
817 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
818 {
819 void __iomem *ioaddr = tp->mmio_addr;
820 unsigned int i;
821 static const struct {
822 u32 opt;
823 u16 reg;
824 u8 mask;
825 } cfg[] = {
826 { WAKE_ANY, Config1, PMEnable },
827 { WAKE_PHY, Config3, LinkUp },
828 { WAKE_MAGIC, Config3, MagicPacket },
829 { WAKE_UCAST, Config5, UWF },
830 { WAKE_BCAST, Config5, BWF },
831 { WAKE_MCAST, Config5, MWF },
832 { WAKE_ANY, Config5, LanWake }
833 };
834
835 RTL_W8(Cfg9346, Cfg9346_Unlock);
836
837 for (i = 0; i < ARRAY_SIZE(cfg); i++) {
838 u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
839 if (wolopts & cfg[i].opt)
840 options |= cfg[i].mask;
841 RTL_W8(cfg[i].reg, options);
842 }
843
844 RTL_W8(Cfg9346, Cfg9346_Lock);
845 }
846
847 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
848 {
849 struct rtl8169_private *tp = netdev_priv(dev);
850
851 spin_lock_irq(&tp->lock);
852
853 if (wol->wolopts)
854 tp->features |= RTL_FEATURE_WOL;
855 else
856 tp->features &= ~RTL_FEATURE_WOL;
857 __rtl8169_set_wol(tp, wol->wolopts);
858 device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
859
860 spin_unlock_irq(&tp->lock);
861
862 return 0;
863 }
864
865 static void rtl8169_get_drvinfo(struct net_device *dev,
866 struct ethtool_drvinfo *info)
867 {
868 struct rtl8169_private *tp = netdev_priv(dev);
869
870 strcpy(info->driver, MODULENAME);
871 strcpy(info->version, RTL8169_VERSION);
872 strcpy(info->bus_info, pci_name(tp->pci_dev));
873 }
874
875 static int rtl8169_get_regs_len(struct net_device *dev)
876 {
877 return R8169_REGS_SIZE;
878 }
879
880 static int rtl8169_set_speed_tbi(struct net_device *dev,
881 u8 autoneg, u16 speed, u8 duplex)
882 {
883 struct rtl8169_private *tp = netdev_priv(dev);
884 void __iomem *ioaddr = tp->mmio_addr;
885 int ret = 0;
886 u32 reg;
887
888 reg = RTL_R32(TBICSR);
889 if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
890 (duplex == DUPLEX_FULL)) {
891 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
892 } else if (autoneg == AUTONEG_ENABLE)
893 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
894 else {
895 netif_warn(tp, link, dev,
896 "incorrect speed setting refused in TBI mode\n");
897 ret = -EOPNOTSUPP;
898 }
899
900 return ret;
901 }
902
903 static int rtl8169_set_speed_xmii(struct net_device *dev,
904 u8 autoneg, u16 speed, u8 duplex)
905 {
906 struct rtl8169_private *tp = netdev_priv(dev);
907 void __iomem *ioaddr = tp->mmio_addr;
908 int giga_ctrl, bmcr;
909
910 if (autoneg == AUTONEG_ENABLE) {
911 int auto_nego;
912
913 auto_nego = mdio_read(ioaddr, MII_ADVERTISE);
914 auto_nego |= (ADVERTISE_10HALF | ADVERTISE_10FULL |
915 ADVERTISE_100HALF | ADVERTISE_100FULL);
916 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
917
918 giga_ctrl = mdio_read(ioaddr, MII_CTRL1000);
919 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
920
921 /* The 8100e/8101e/8102e do Fast Ethernet only. */
922 if ((tp->mac_version != RTL_GIGA_MAC_VER_07) &&
923 (tp->mac_version != RTL_GIGA_MAC_VER_08) &&
924 (tp->mac_version != RTL_GIGA_MAC_VER_09) &&
925 (tp->mac_version != RTL_GIGA_MAC_VER_10) &&
926 (tp->mac_version != RTL_GIGA_MAC_VER_13) &&
927 (tp->mac_version != RTL_GIGA_MAC_VER_14) &&
928 (tp->mac_version != RTL_GIGA_MAC_VER_15) &&
929 (tp->mac_version != RTL_GIGA_MAC_VER_16)) {
930 giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
931 } else {
932 netif_info(tp, link, dev,
933 "PHY does not support 1000Mbps\n");
934 }
935
936 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
937
938 if ((tp->mac_version == RTL_GIGA_MAC_VER_11) ||
939 (tp->mac_version == RTL_GIGA_MAC_VER_12) ||
940 (tp->mac_version >= RTL_GIGA_MAC_VER_17)) {
941 /*
942 * Wake up the PHY.
943 * Vendor specific (0x1f) and reserved (0x0e) MII
944 * registers.
945 */
946 mdio_write(ioaddr, 0x1f, 0x0000);
947 mdio_write(ioaddr, 0x0e, 0x0000);
948 }
949
950 mdio_write(ioaddr, MII_ADVERTISE, auto_nego);
951 mdio_write(ioaddr, MII_CTRL1000, giga_ctrl);
952 } else {
953 giga_ctrl = 0;
954
955 if (speed == SPEED_10)
956 bmcr = 0;
957 else if (speed == SPEED_100)
958 bmcr = BMCR_SPEED100;
959 else
960 return -EINVAL;
961
962 if (duplex == DUPLEX_FULL)
963 bmcr |= BMCR_FULLDPLX;
964
965 mdio_write(ioaddr, 0x1f, 0x0000);
966 }
967
968 tp->phy_1000_ctrl_reg = giga_ctrl;
969
970 mdio_write(ioaddr, MII_BMCR, bmcr);
971
972 if ((tp->mac_version == RTL_GIGA_MAC_VER_02) ||
973 (tp->mac_version == RTL_GIGA_MAC_VER_03)) {
974 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
975 mdio_write(ioaddr, 0x17, 0x2138);
976 mdio_write(ioaddr, 0x0e, 0x0260);
977 } else {
978 mdio_write(ioaddr, 0x17, 0x2108);
979 mdio_write(ioaddr, 0x0e, 0x0000);
980 }
981 }
982
983 return 0;
984 }
985
986 static int rtl8169_set_speed(struct net_device *dev,
987 u8 autoneg, u16 speed, u8 duplex)
988 {
989 struct rtl8169_private *tp = netdev_priv(dev);
990 int ret;
991
992 ret = tp->set_speed(dev, autoneg, speed, duplex);
993
994 if (netif_running(dev) && (tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL))
995 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
996
997 return ret;
998 }
999
1000 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1001 {
1002 struct rtl8169_private *tp = netdev_priv(dev);
1003 unsigned long flags;
1004 int ret;
1005
1006 spin_lock_irqsave(&tp->lock, flags);
1007 ret = rtl8169_set_speed(dev, cmd->autoneg, cmd->speed, cmd->duplex);
1008 spin_unlock_irqrestore(&tp->lock, flags);
1009
1010 return ret;
1011 }
1012
1013 static u32 rtl8169_get_rx_csum(struct net_device *dev)
1014 {
1015 struct rtl8169_private *tp = netdev_priv(dev);
1016
1017 return tp->cp_cmd & RxChkSum;
1018 }
1019
1020 static int rtl8169_set_rx_csum(struct net_device *dev, u32 data)
1021 {
1022 struct rtl8169_private *tp = netdev_priv(dev);
1023 void __iomem *ioaddr = tp->mmio_addr;
1024 unsigned long flags;
1025
1026 spin_lock_irqsave(&tp->lock, flags);
1027
1028 if (data)
1029 tp->cp_cmd |= RxChkSum;
1030 else
1031 tp->cp_cmd &= ~RxChkSum;
1032
1033 RTL_W16(CPlusCmd, tp->cp_cmd);
1034 RTL_R16(CPlusCmd);
1035
1036 spin_unlock_irqrestore(&tp->lock, flags);
1037
1038 return 0;
1039 }
1040
1041 #ifdef CONFIG_R8169_VLAN
1042
1043 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1044 struct sk_buff *skb)
1045 {
1046 return (tp->vlgrp && vlan_tx_tag_present(skb)) ?
1047 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1048 }
1049
1050 static void rtl8169_vlan_rx_register(struct net_device *dev,
1051 struct vlan_group *grp)
1052 {
1053 struct rtl8169_private *tp = netdev_priv(dev);
1054 void __iomem *ioaddr = tp->mmio_addr;
1055 unsigned long flags;
1056
1057 spin_lock_irqsave(&tp->lock, flags);
1058 tp->vlgrp = grp;
1059 /*
1060 * Do not disable RxVlan on 8110SCd.
1061 */
1062 if (tp->vlgrp || (tp->mac_version == RTL_GIGA_MAC_VER_05))
1063 tp->cp_cmd |= RxVlan;
1064 else
1065 tp->cp_cmd &= ~RxVlan;
1066 RTL_W16(CPlusCmd, tp->cp_cmd);
1067 RTL_R16(CPlusCmd);
1068 spin_unlock_irqrestore(&tp->lock, flags);
1069 }
1070
1071 static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc,
1072 struct sk_buff *skb, int polling)
1073 {
1074 u32 opts2 = le32_to_cpu(desc->opts2);
1075 struct vlan_group *vlgrp = tp->vlgrp;
1076 int ret;
1077
1078 if (vlgrp && (opts2 & RxVlanTag)) {
1079 __vlan_hwaccel_rx(skb, vlgrp, swab16(opts2 & 0xffff), polling);
1080 ret = 0;
1081 } else
1082 ret = -1;
1083 desc->opts2 = 0;
1084 return ret;
1085 }
1086
1087 #else /* !CONFIG_R8169_VLAN */
1088
1089 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1090 struct sk_buff *skb)
1091 {
1092 return 0;
1093 }
1094
1095 static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc,
1096 struct sk_buff *skb, int polling)
1097 {
1098 return -1;
1099 }
1100
1101 #endif
1102
1103 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1104 {
1105 struct rtl8169_private *tp = netdev_priv(dev);
1106 void __iomem *ioaddr = tp->mmio_addr;
1107 u32 status;
1108
1109 cmd->supported =
1110 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1111 cmd->port = PORT_FIBRE;
1112 cmd->transceiver = XCVR_INTERNAL;
1113
1114 status = RTL_R32(TBICSR);
1115 cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0;
1116 cmd->autoneg = !!(status & TBINwEnable);
1117
1118 cmd->speed = SPEED_1000;
1119 cmd->duplex = DUPLEX_FULL; /* Always set */
1120
1121 return 0;
1122 }
1123
1124 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1125 {
1126 struct rtl8169_private *tp = netdev_priv(dev);
1127
1128 return mii_ethtool_gset(&tp->mii, cmd);
1129 }
1130
1131 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1132 {
1133 struct rtl8169_private *tp = netdev_priv(dev);
1134 unsigned long flags;
1135 int rc;
1136
1137 spin_lock_irqsave(&tp->lock, flags);
1138
1139 rc = tp->get_settings(dev, cmd);
1140
1141 spin_unlock_irqrestore(&tp->lock, flags);
1142 return rc;
1143 }
1144
1145 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1146 void *p)
1147 {
1148 struct rtl8169_private *tp = netdev_priv(dev);
1149 unsigned long flags;
1150
1151 if (regs->len > R8169_REGS_SIZE)
1152 regs->len = R8169_REGS_SIZE;
1153
1154 spin_lock_irqsave(&tp->lock, flags);
1155 memcpy_fromio(p, tp->mmio_addr, regs->len);
1156 spin_unlock_irqrestore(&tp->lock, flags);
1157 }
1158
1159 static u32 rtl8169_get_msglevel(struct net_device *dev)
1160 {
1161 struct rtl8169_private *tp = netdev_priv(dev);
1162
1163 return tp->msg_enable;
1164 }
1165
1166 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1167 {
1168 struct rtl8169_private *tp = netdev_priv(dev);
1169
1170 tp->msg_enable = value;
1171 }
1172
1173 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1174 "tx_packets",
1175 "rx_packets",
1176 "tx_errors",
1177 "rx_errors",
1178 "rx_missed",
1179 "align_errors",
1180 "tx_single_collisions",
1181 "tx_multi_collisions",
1182 "unicast",
1183 "broadcast",
1184 "multicast",
1185 "tx_aborted",
1186 "tx_underrun",
1187 };
1188
1189 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1190 {
1191 switch (sset) {
1192 case ETH_SS_STATS:
1193 return ARRAY_SIZE(rtl8169_gstrings);
1194 default:
1195 return -EOPNOTSUPP;
1196 }
1197 }
1198
1199 static void rtl8169_update_counters(struct net_device *dev)
1200 {
1201 struct rtl8169_private *tp = netdev_priv(dev);
1202 void __iomem *ioaddr = tp->mmio_addr;
1203 struct rtl8169_counters *counters;
1204 dma_addr_t paddr;
1205 u32 cmd;
1206 int wait = 1000;
1207
1208 /*
1209 * Some chips are unable to dump tally counters when the receiver
1210 * is disabled.
1211 */
1212 if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1213 return;
1214
1215 counters = dma_alloc_coherent(&tp->pci_dev->dev, sizeof(*counters),
1216 &paddr, GFP_KERNEL);
1217 if (!counters)
1218 return;
1219
1220 RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1221 cmd = (u64)paddr & DMA_BIT_MASK(32);
1222 RTL_W32(CounterAddrLow, cmd);
1223 RTL_W32(CounterAddrLow, cmd | CounterDump);
1224
1225 while (wait--) {
1226 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1227 /* copy updated counters */
1228 memcpy(&tp->counters, counters, sizeof(*counters));
1229 break;
1230 }
1231 udelay(10);
1232 }
1233
1234 RTL_W32(CounterAddrLow, 0);
1235 RTL_W32(CounterAddrHigh, 0);
1236
1237 dma_free_coherent(&tp->pci_dev->dev, sizeof(*counters), counters,
1238 paddr);
1239 }
1240
1241 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1242 struct ethtool_stats *stats, u64 *data)
1243 {
1244 struct rtl8169_private *tp = netdev_priv(dev);
1245
1246 ASSERT_RTNL();
1247
1248 rtl8169_update_counters(dev);
1249
1250 data[0] = le64_to_cpu(tp->counters.tx_packets);
1251 data[1] = le64_to_cpu(tp->counters.rx_packets);
1252 data[2] = le64_to_cpu(tp->counters.tx_errors);
1253 data[3] = le32_to_cpu(tp->counters.rx_errors);
1254 data[4] = le16_to_cpu(tp->counters.rx_missed);
1255 data[5] = le16_to_cpu(tp->counters.align_errors);
1256 data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1257 data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1258 data[8] = le64_to_cpu(tp->counters.rx_unicast);
1259 data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1260 data[10] = le32_to_cpu(tp->counters.rx_multicast);
1261 data[11] = le16_to_cpu(tp->counters.tx_aborted);
1262 data[12] = le16_to_cpu(tp->counters.tx_underun);
1263 }
1264
1265 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1266 {
1267 switch(stringset) {
1268 case ETH_SS_STATS:
1269 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1270 break;
1271 }
1272 }
1273
1274 static const struct ethtool_ops rtl8169_ethtool_ops = {
1275 .get_drvinfo = rtl8169_get_drvinfo,
1276 .get_regs_len = rtl8169_get_regs_len,
1277 .get_link = ethtool_op_get_link,
1278 .get_settings = rtl8169_get_settings,
1279 .set_settings = rtl8169_set_settings,
1280 .get_msglevel = rtl8169_get_msglevel,
1281 .set_msglevel = rtl8169_set_msglevel,
1282 .get_rx_csum = rtl8169_get_rx_csum,
1283 .set_rx_csum = rtl8169_set_rx_csum,
1284 .set_tx_csum = ethtool_op_set_tx_csum,
1285 .set_sg = ethtool_op_set_sg,
1286 .set_tso = ethtool_op_set_tso,
1287 .get_regs = rtl8169_get_regs,
1288 .get_wol = rtl8169_get_wol,
1289 .set_wol = rtl8169_set_wol,
1290 .get_strings = rtl8169_get_strings,
1291 .get_sset_count = rtl8169_get_sset_count,
1292 .get_ethtool_stats = rtl8169_get_ethtool_stats,
1293 };
1294
1295 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1296 void __iomem *ioaddr)
1297 {
1298 /*
1299 * The driver currently handles the 8168Bf and the 8168Be identically
1300 * but they can be identified more specifically through the test below
1301 * if needed:
1302 *
1303 * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1304 *
1305 * Same thing for the 8101Eb and the 8101Ec:
1306 *
1307 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1308 */
1309 static const struct {
1310 u32 mask;
1311 u32 val;
1312 int mac_version;
1313 } mac_info[] = {
1314 /* 8168D family. */
1315 { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 },
1316 { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 },
1317 { 0x7c800000, 0x28800000, RTL_GIGA_MAC_VER_27 },
1318 { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 },
1319
1320 /* 8168C family. */
1321 { 0x7cf00000, 0x3cb00000, RTL_GIGA_MAC_VER_24 },
1322 { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 },
1323 { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
1324 { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 },
1325 { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
1326 { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
1327 { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 },
1328 { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 },
1329 { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 },
1330
1331 /* 8168B family. */
1332 { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 },
1333 { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 },
1334 { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 },
1335 { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },
1336
1337 /* 8101 family. */
1338 { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 },
1339 { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 },
1340 { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 },
1341 { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 },
1342 { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 },
1343 { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 },
1344 { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
1345 { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 },
1346 { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
1347 { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 },
1348 { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 },
1349 { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 },
1350 /* FIXME: where did these entries come from ? -- FR */
1351 { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 },
1352 { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 },
1353
1354 /* 8110 family. */
1355 { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 },
1356 { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 },
1357 { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 },
1358 { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 },
1359 { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 },
1360 { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 },
1361
1362 /* Catch-all */
1363 { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE }
1364 }, *p = mac_info;
1365 u32 reg;
1366
1367 reg = RTL_R32(TxConfig);
1368 while ((reg & p->mask) != p->val)
1369 p++;
1370 tp->mac_version = p->mac_version;
1371 }
1372
1373 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1374 {
1375 dprintk("mac_version = 0x%02x\n", tp->mac_version);
1376 }
1377
1378 struct phy_reg {
1379 u16 reg;
1380 u16 val;
1381 };
1382
1383 static void rtl_phy_write(void __iomem *ioaddr, const struct phy_reg *regs, int len)
1384 {
1385 while (len-- > 0) {
1386 mdio_write(ioaddr, regs->reg, regs->val);
1387 regs++;
1388 }
1389 }
1390
1391 static void rtl8169s_hw_phy_config(void __iomem *ioaddr)
1392 {
1393 static const struct phy_reg phy_reg_init[] = {
1394 { 0x1f, 0x0001 },
1395 { 0x06, 0x006e },
1396 { 0x08, 0x0708 },
1397 { 0x15, 0x4000 },
1398 { 0x18, 0x65c7 },
1399
1400 { 0x1f, 0x0001 },
1401 { 0x03, 0x00a1 },
1402 { 0x02, 0x0008 },
1403 { 0x01, 0x0120 },
1404 { 0x00, 0x1000 },
1405 { 0x04, 0x0800 },
1406 { 0x04, 0x0000 },
1407
1408 { 0x03, 0xff41 },
1409 { 0x02, 0xdf60 },
1410 { 0x01, 0x0140 },
1411 { 0x00, 0x0077 },
1412 { 0x04, 0x7800 },
1413 { 0x04, 0x7000 },
1414
1415 { 0x03, 0x802f },
1416 { 0x02, 0x4f02 },
1417 { 0x01, 0x0409 },
1418 { 0x00, 0xf0f9 },
1419 { 0x04, 0x9800 },
1420 { 0x04, 0x9000 },
1421
1422 { 0x03, 0xdf01 },
1423 { 0x02, 0xdf20 },
1424 { 0x01, 0xff95 },
1425 { 0x00, 0xba00 },
1426 { 0x04, 0xa800 },
1427 { 0x04, 0xa000 },
1428
1429 { 0x03, 0xff41 },
1430 { 0x02, 0xdf20 },
1431 { 0x01, 0x0140 },
1432 { 0x00, 0x00bb },
1433 { 0x04, 0xb800 },
1434 { 0x04, 0xb000 },
1435
1436 { 0x03, 0xdf41 },
1437 { 0x02, 0xdc60 },
1438 { 0x01, 0x6340 },
1439 { 0x00, 0x007d },
1440 { 0x04, 0xd800 },
1441 { 0x04, 0xd000 },
1442
1443 { 0x03, 0xdf01 },
1444 { 0x02, 0xdf20 },
1445 { 0x01, 0x100a },
1446 { 0x00, 0xa0ff },
1447 { 0x04, 0xf800 },
1448 { 0x04, 0xf000 },
1449
1450 { 0x1f, 0x0000 },
1451 { 0x0b, 0x0000 },
1452 { 0x00, 0x9200 }
1453 };
1454
1455 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1456 }
1457
1458 static void rtl8169sb_hw_phy_config(void __iomem *ioaddr)
1459 {
1460 static const struct phy_reg phy_reg_init[] = {
1461 { 0x1f, 0x0002 },
1462 { 0x01, 0x90d0 },
1463 { 0x1f, 0x0000 }
1464 };
1465
1466 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1467 }
1468
1469 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp,
1470 void __iomem *ioaddr)
1471 {
1472 struct pci_dev *pdev = tp->pci_dev;
1473 u16 vendor_id, device_id;
1474
1475 pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id);
1476 pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &device_id);
1477
1478 if ((vendor_id != PCI_VENDOR_ID_GIGABYTE) || (device_id != 0xe000))
1479 return;
1480
1481 mdio_write(ioaddr, 0x1f, 0x0001);
1482 mdio_write(ioaddr, 0x10, 0xf01b);
1483 mdio_write(ioaddr, 0x1f, 0x0000);
1484 }
1485
1486 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp,
1487 void __iomem *ioaddr)
1488 {
1489 static const struct phy_reg phy_reg_init[] = {
1490 { 0x1f, 0x0001 },
1491 { 0x04, 0x0000 },
1492 { 0x03, 0x00a1 },
1493 { 0x02, 0x0008 },
1494 { 0x01, 0x0120 },
1495 { 0x00, 0x1000 },
1496 { 0x04, 0x0800 },
1497 { 0x04, 0x9000 },
1498 { 0x03, 0x802f },
1499 { 0x02, 0x4f02 },
1500 { 0x01, 0x0409 },
1501 { 0x00, 0xf099 },
1502 { 0x04, 0x9800 },
1503 { 0x04, 0xa000 },
1504 { 0x03, 0xdf01 },
1505 { 0x02, 0xdf20 },
1506 { 0x01, 0xff95 },
1507 { 0x00, 0xba00 },
1508 { 0x04, 0xa800 },
1509 { 0x04, 0xf000 },
1510 { 0x03, 0xdf01 },
1511 { 0x02, 0xdf20 },
1512 { 0x01, 0x101a },
1513 { 0x00, 0xa0ff },
1514 { 0x04, 0xf800 },
1515 { 0x04, 0x0000 },
1516 { 0x1f, 0x0000 },
1517
1518 { 0x1f, 0x0001 },
1519 { 0x10, 0xf41b },
1520 { 0x14, 0xfb54 },
1521 { 0x18, 0xf5c7 },
1522 { 0x1f, 0x0000 },
1523
1524 { 0x1f, 0x0001 },
1525 { 0x17, 0x0cc0 },
1526 { 0x1f, 0x0000 }
1527 };
1528
1529 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1530
1531 rtl8169scd_hw_phy_config_quirk(tp, ioaddr);
1532 }
1533
1534 static void rtl8169sce_hw_phy_config(void __iomem *ioaddr)
1535 {
1536 static const struct phy_reg phy_reg_init[] = {
1537 { 0x1f, 0x0001 },
1538 { 0x04, 0x0000 },
1539 { 0x03, 0x00a1 },
1540 { 0x02, 0x0008 },
1541 { 0x01, 0x0120 },
1542 { 0x00, 0x1000 },
1543 { 0x04, 0x0800 },
1544 { 0x04, 0x9000 },
1545 { 0x03, 0x802f },
1546 { 0x02, 0x4f02 },
1547 { 0x01, 0x0409 },
1548 { 0x00, 0xf099 },
1549 { 0x04, 0x9800 },
1550 { 0x04, 0xa000 },
1551 { 0x03, 0xdf01 },
1552 { 0x02, 0xdf20 },
1553 { 0x01, 0xff95 },
1554 { 0x00, 0xba00 },
1555 { 0x04, 0xa800 },
1556 { 0x04, 0xf000 },
1557 { 0x03, 0xdf01 },
1558 { 0x02, 0xdf20 },
1559 { 0x01, 0x101a },
1560 { 0x00, 0xa0ff },
1561 { 0x04, 0xf800 },
1562 { 0x04, 0x0000 },
1563 { 0x1f, 0x0000 },
1564
1565 { 0x1f, 0x0001 },
1566 { 0x0b, 0x8480 },
1567 { 0x1f, 0x0000 },
1568
1569 { 0x1f, 0x0001 },
1570 { 0x18, 0x67c7 },
1571 { 0x04, 0x2000 },
1572 { 0x03, 0x002f },
1573 { 0x02, 0x4360 },
1574 { 0x01, 0x0109 },
1575 { 0x00, 0x3022 },
1576 { 0x04, 0x2800 },
1577 { 0x1f, 0x0000 },
1578
1579 { 0x1f, 0x0001 },
1580 { 0x17, 0x0cc0 },
1581 { 0x1f, 0x0000 }
1582 };
1583
1584 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1585 }
1586
1587 static void rtl8168bb_hw_phy_config(void __iomem *ioaddr)
1588 {
1589 static const struct phy_reg phy_reg_init[] = {
1590 { 0x10, 0xf41b },
1591 { 0x1f, 0x0000 }
1592 };
1593
1594 mdio_write(ioaddr, 0x1f, 0x0001);
1595 mdio_patch(ioaddr, 0x16, 1 << 0);
1596
1597 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1598 }
1599
1600 static void rtl8168bef_hw_phy_config(void __iomem *ioaddr)
1601 {
1602 static const struct phy_reg phy_reg_init[] = {
1603 { 0x1f, 0x0001 },
1604 { 0x10, 0xf41b },
1605 { 0x1f, 0x0000 }
1606 };
1607
1608 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1609 }
1610
1611 static void rtl8168cp_1_hw_phy_config(void __iomem *ioaddr)
1612 {
1613 static const struct phy_reg phy_reg_init[] = {
1614 { 0x1f, 0x0000 },
1615 { 0x1d, 0x0f00 },
1616 { 0x1f, 0x0002 },
1617 { 0x0c, 0x1ec8 },
1618 { 0x1f, 0x0000 }
1619 };
1620
1621 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1622 }
1623
1624 static void rtl8168cp_2_hw_phy_config(void __iomem *ioaddr)
1625 {
1626 static const struct phy_reg phy_reg_init[] = {
1627 { 0x1f, 0x0001 },
1628 { 0x1d, 0x3d98 },
1629 { 0x1f, 0x0000 }
1630 };
1631
1632 mdio_write(ioaddr, 0x1f, 0x0000);
1633 mdio_patch(ioaddr, 0x14, 1 << 5);
1634 mdio_patch(ioaddr, 0x0d, 1 << 5);
1635
1636 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1637 }
1638
1639 static void rtl8168c_1_hw_phy_config(void __iomem *ioaddr)
1640 {
1641 static const struct phy_reg phy_reg_init[] = {
1642 { 0x1f, 0x0001 },
1643 { 0x12, 0x2300 },
1644 { 0x1f, 0x0002 },
1645 { 0x00, 0x88d4 },
1646 { 0x01, 0x82b1 },
1647 { 0x03, 0x7002 },
1648 { 0x08, 0x9e30 },
1649 { 0x09, 0x01f0 },
1650 { 0x0a, 0x5500 },
1651 { 0x0c, 0x00c8 },
1652 { 0x1f, 0x0003 },
1653 { 0x12, 0xc096 },
1654 { 0x16, 0x000a },
1655 { 0x1f, 0x0000 },
1656 { 0x1f, 0x0000 },
1657 { 0x09, 0x2000 },
1658 { 0x09, 0x0000 }
1659 };
1660
1661 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1662
1663 mdio_patch(ioaddr, 0x14, 1 << 5);
1664 mdio_patch(ioaddr, 0x0d, 1 << 5);
1665 mdio_write(ioaddr, 0x1f, 0x0000);
1666 }
1667
1668 static void rtl8168c_2_hw_phy_config(void __iomem *ioaddr)
1669 {
1670 static const struct phy_reg phy_reg_init[] = {
1671 { 0x1f, 0x0001 },
1672 { 0x12, 0x2300 },
1673 { 0x03, 0x802f },
1674 { 0x02, 0x4f02 },
1675 { 0x01, 0x0409 },
1676 { 0x00, 0xf099 },
1677 { 0x04, 0x9800 },
1678 { 0x04, 0x9000 },
1679 { 0x1d, 0x3d98 },
1680 { 0x1f, 0x0002 },
1681 { 0x0c, 0x7eb8 },
1682 { 0x06, 0x0761 },
1683 { 0x1f, 0x0003 },
1684 { 0x16, 0x0f0a },
1685 { 0x1f, 0x0000 }
1686 };
1687
1688 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1689
1690 mdio_patch(ioaddr, 0x16, 1 << 0);
1691 mdio_patch(ioaddr, 0x14, 1 << 5);
1692 mdio_patch(ioaddr, 0x0d, 1 << 5);
1693 mdio_write(ioaddr, 0x1f, 0x0000);
1694 }
1695
1696 static void rtl8168c_3_hw_phy_config(void __iomem *ioaddr)
1697 {
1698 static const struct phy_reg phy_reg_init[] = {
1699 { 0x1f, 0x0001 },
1700 { 0x12, 0x2300 },
1701 { 0x1d, 0x3d98 },
1702 { 0x1f, 0x0002 },
1703 { 0x0c, 0x7eb8 },
1704 { 0x06, 0x5461 },
1705 { 0x1f, 0x0003 },
1706 { 0x16, 0x0f0a },
1707 { 0x1f, 0x0000 }
1708 };
1709
1710 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1711
1712 mdio_patch(ioaddr, 0x16, 1 << 0);
1713 mdio_patch(ioaddr, 0x14, 1 << 5);
1714 mdio_patch(ioaddr, 0x0d, 1 << 5);
1715 mdio_write(ioaddr, 0x1f, 0x0000);
1716 }
1717
1718 static void rtl8168c_4_hw_phy_config(void __iomem *ioaddr)
1719 {
1720 rtl8168c_3_hw_phy_config(ioaddr);
1721 }
1722
1723 static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr)
1724 {
1725 static const struct phy_reg phy_reg_init_0[] = {
1726 { 0x1f, 0x0001 },
1727 { 0x06, 0x4064 },
1728 { 0x07, 0x2863 },
1729 { 0x08, 0x059c },
1730 { 0x09, 0x26b4 },
1731 { 0x0a, 0x6a19 },
1732 { 0x0b, 0xdcc8 },
1733 { 0x10, 0xf06d },
1734 { 0x14, 0x7f68 },
1735 { 0x18, 0x7fd9 },
1736 { 0x1c, 0xf0ff },
1737 { 0x1d, 0x3d9c },
1738 { 0x1f, 0x0003 },
1739 { 0x12, 0xf49f },
1740 { 0x13, 0x070b },
1741 { 0x1a, 0x05ad },
1742 { 0x14, 0x94c0 }
1743 };
1744 static const struct phy_reg phy_reg_init_1[] = {
1745 { 0x1f, 0x0002 },
1746 { 0x06, 0x5561 },
1747 { 0x1f, 0x0005 },
1748 { 0x05, 0x8332 },
1749 { 0x06, 0x5561 }
1750 };
1751 static const struct phy_reg phy_reg_init_2[] = {
1752 { 0x1f, 0x0005 },
1753 { 0x05, 0xffc2 },
1754 { 0x1f, 0x0005 },
1755 { 0x05, 0x8000 },
1756 { 0x06, 0xf8f9 },
1757 { 0x06, 0xfaef },
1758 { 0x06, 0x59ee },
1759 { 0x06, 0xf8ea },
1760 { 0x06, 0x00ee },
1761 { 0x06, 0xf8eb },
1762 { 0x06, 0x00e0 },
1763 { 0x06, 0xf87c },
1764 { 0x06, 0xe1f8 },
1765 { 0x06, 0x7d59 },
1766 { 0x06, 0x0fef },
1767 { 0x06, 0x0139 },
1768 { 0x06, 0x029e },
1769 { 0x06, 0x06ef },
1770 { 0x06, 0x1039 },
1771 { 0x06, 0x089f },
1772 { 0x06, 0x2aee },
1773 { 0x06, 0xf8ea },
1774 { 0x06, 0x00ee },
1775 { 0x06, 0xf8eb },
1776 { 0x06, 0x01e0 },
1777 { 0x06, 0xf87c },
1778 { 0x06, 0xe1f8 },
1779 { 0x06, 0x7d58 },
1780 { 0x06, 0x409e },
1781 { 0x06, 0x0f39 },
1782 { 0x06, 0x46aa },
1783 { 0x06, 0x0bbf },
1784 { 0x06, 0x8290 },
1785 { 0x06, 0xd682 },
1786 { 0x06, 0x9802 },
1787 { 0x06, 0x014f },
1788 { 0x06, 0xae09 },
1789 { 0x06, 0xbf82 },
1790 { 0x06, 0x98d6 },
1791 { 0x06, 0x82a0 },
1792 { 0x06, 0x0201 },
1793 { 0x06, 0x4fef },
1794 { 0x06, 0x95fe },
1795 { 0x06, 0xfdfc },
1796 { 0x06, 0x05f8 },
1797 { 0x06, 0xf9fa },
1798 { 0x06, 0xeef8 },
1799 { 0x06, 0xea00 },
1800 { 0x06, 0xeef8 },
1801 { 0x06, 0xeb00 },
1802 { 0x06, 0xe2f8 },
1803 { 0x06, 0x7ce3 },
1804 { 0x06, 0xf87d },
1805 { 0x06, 0xa511 },
1806 { 0x06, 0x1112 },
1807 { 0x06, 0xd240 },
1808 { 0x06, 0xd644 },
1809 { 0x06, 0x4402 },
1810 { 0x06, 0x8217 },
1811 { 0x06, 0xd2a0 },
1812 { 0x06, 0xd6aa },
1813 { 0x06, 0xaa02 },
1814 { 0x06, 0x8217 },
1815 { 0x06, 0xae0f },
1816 { 0x06, 0xa544 },
1817 { 0x06, 0x4402 },
1818 { 0x06, 0xae4d },
1819 { 0x06, 0xa5aa },
1820 { 0x06, 0xaa02 },
1821 { 0x06, 0xae47 },
1822 { 0x06, 0xaf82 },
1823 { 0x06, 0x13ee },
1824 { 0x06, 0x834e },
1825 { 0x06, 0x00ee },
1826 { 0x06, 0x834d },
1827 { 0x06, 0x0fee },
1828 { 0x06, 0x834c },
1829 { 0x06, 0x0fee },
1830 { 0x06, 0x834f },
1831 { 0x06, 0x00ee },
1832 { 0x06, 0x8351 },
1833 { 0x06, 0x00ee },
1834 { 0x06, 0x834a },
1835 { 0x06, 0xffee },
1836 { 0x06, 0x834b },
1837 { 0x06, 0xffe0 },
1838 { 0x06, 0x8330 },
1839 { 0x06, 0xe183 },
1840 { 0x06, 0x3158 },
1841 { 0x06, 0xfee4 },
1842 { 0x06, 0xf88a },
1843 { 0x06, 0xe5f8 },
1844 { 0x06, 0x8be0 },
1845 { 0x06, 0x8332 },
1846 { 0x06, 0xe183 },
1847 { 0x06, 0x3359 },
1848 { 0x06, 0x0fe2 },
1849 { 0x06, 0x834d },
1850 { 0x06, 0x0c24 },
1851 { 0x06, 0x5af0 },
1852 { 0x06, 0x1e12 },
1853 { 0x06, 0xe4f8 },
1854 { 0x06, 0x8ce5 },
1855 { 0x06, 0xf88d },
1856 { 0x06, 0xaf82 },
1857 { 0x06, 0x13e0 },
1858 { 0x06, 0x834f },
1859 { 0x06, 0x10e4 },
1860 { 0x06, 0x834f },
1861 { 0x06, 0xe083 },
1862 { 0x06, 0x4e78 },
1863 { 0x06, 0x009f },
1864 { 0x06, 0x0ae0 },
1865 { 0x06, 0x834f },
1866 { 0x06, 0xa010 },
1867 { 0x06, 0xa5ee },
1868 { 0x06, 0x834e },
1869 { 0x06, 0x01e0 },
1870 { 0x06, 0x834e },
1871 { 0x06, 0x7805 },
1872 { 0x06, 0x9e9a },
1873 { 0x06, 0xe083 },
1874 { 0x06, 0x4e78 },
1875 { 0x06, 0x049e },
1876 { 0x06, 0x10e0 },
1877 { 0x06, 0x834e },
1878 { 0x06, 0x7803 },
1879 { 0x06, 0x9e0f },
1880 { 0x06, 0xe083 },
1881 { 0x06, 0x4e78 },
1882 { 0x06, 0x019e },
1883 { 0x06, 0x05ae },
1884 { 0x06, 0x0caf },
1885 { 0x06, 0x81f8 },
1886 { 0x06, 0xaf81 },
1887 { 0x06, 0xa3af },
1888 { 0x06, 0x81dc },
1889 { 0x06, 0xaf82 },
1890 { 0x06, 0x13ee },
1891 { 0x06, 0x8348 },
1892 { 0x06, 0x00ee },
1893 { 0x06, 0x8349 },
1894 { 0x06, 0x00e0 },
1895 { 0x06, 0x8351 },
1896 { 0x06, 0x10e4 },
1897 { 0x06, 0x8351 },
1898 { 0x06, 0x5801 },
1899 { 0x06, 0x9fea },
1900 { 0x06, 0xd000 },
1901 { 0x06, 0xd180 },
1902 { 0x06, 0x1f66 },
1903 { 0x06, 0xe2f8 },
1904 { 0x06, 0xeae3 },
1905 { 0x06, 0xf8eb },
1906 { 0x06, 0x5af8 },
1907 { 0x06, 0x1e20 },
1908 { 0x06, 0xe6f8 },
1909 { 0x06, 0xeae5 },
1910 { 0x06, 0xf8eb },
1911 { 0x06, 0xd302 },
1912 { 0x06, 0xb3fe },
1913 { 0x06, 0xe2f8 },
1914 { 0x06, 0x7cef },
1915 { 0x06, 0x325b },
1916 { 0x06, 0x80e3 },
1917 { 0x06, 0xf87d },
1918 { 0x06, 0x9e03 },
1919 { 0x06, 0x7dff },
1920 { 0x06, 0xff0d },
1921 { 0x06, 0x581c },
1922 { 0x06, 0x551a },
1923 { 0x06, 0x6511 },
1924 { 0x06, 0xa190 },
1925 { 0x06, 0xd3e2 },
1926 { 0x06, 0x8348 },
1927 { 0x06, 0xe383 },
1928 { 0x06, 0x491b },
1929 { 0x06, 0x56ab },
1930 { 0x06, 0x08ef },
1931 { 0x06, 0x56e6 },
1932 { 0x06, 0x8348 },
1933 { 0x06, 0xe783 },
1934 { 0x06, 0x4910 },
1935 { 0x06, 0xd180 },
1936 { 0x06, 0x1f66 },
1937 { 0x06, 0xa004 },
1938 { 0x06, 0xb9e2 },
1939 { 0x06, 0x8348 },
1940 { 0x06, 0xe383 },
1941 { 0x06, 0x49ef },
1942 { 0x06, 0x65e2 },
1943 { 0x06, 0x834a },
1944 { 0x06, 0xe383 },
1945 { 0x06, 0x4b1b },
1946 { 0x06, 0x56aa },
1947 { 0x06, 0x0eef },
1948 { 0x06, 0x56e6 },
1949 { 0x06, 0x834a },
1950 { 0x06, 0xe783 },
1951 { 0x06, 0x4be2 },
1952 { 0x06, 0x834d },
1953 { 0x06, 0xe683 },
1954 { 0x06, 0x4ce0 },
1955 { 0x06, 0x834d },
1956 { 0x06, 0xa000 },
1957 { 0x06, 0x0caf },
1958 { 0x06, 0x81dc },
1959 { 0x06, 0xe083 },
1960 { 0x06, 0x4d10 },
1961 { 0x06, 0xe483 },
1962 { 0x06, 0x4dae },
1963 { 0x06, 0x0480 },
1964 { 0x06, 0xe483 },
1965 { 0x06, 0x4de0 },
1966 { 0x06, 0x834e },
1967 { 0x06, 0x7803 },
1968 { 0x06, 0x9e0b },
1969 { 0x06, 0xe083 },
1970 { 0x06, 0x4e78 },
1971 { 0x06, 0x049e },
1972 { 0x06, 0x04ee },
1973 { 0x06, 0x834e },
1974 { 0x06, 0x02e0 },
1975 { 0x06, 0x8332 },
1976 { 0x06, 0xe183 },
1977 { 0x06, 0x3359 },
1978 { 0x06, 0x0fe2 },
1979 { 0x06, 0x834d },
1980 { 0x06, 0x0c24 },
1981 { 0x06, 0x5af0 },
1982 { 0x06, 0x1e12 },
1983 { 0x06, 0xe4f8 },
1984 { 0x06, 0x8ce5 },
1985 { 0x06, 0xf88d },
1986 { 0x06, 0xe083 },
1987 { 0x06, 0x30e1 },
1988 { 0x06, 0x8331 },
1989 { 0x06, 0x6801 },
1990 { 0x06, 0xe4f8 },
1991 { 0x06, 0x8ae5 },
1992 { 0x06, 0xf88b },
1993 { 0x06, 0xae37 },
1994 { 0x06, 0xee83 },
1995 { 0x06, 0x4e03 },
1996 { 0x06, 0xe083 },
1997 { 0x06, 0x4ce1 },
1998 { 0x06, 0x834d },
1999 { 0x06, 0x1b01 },
2000 { 0x06, 0x9e04 },
2001 { 0x06, 0xaaa1 },
2002 { 0x06, 0xaea8 },
2003 { 0x06, 0xee83 },
2004 { 0x06, 0x4e04 },
2005 { 0x06, 0xee83 },
2006 { 0x06, 0x4f00 },
2007 { 0x06, 0xaeab },
2008 { 0x06, 0xe083 },
2009 { 0x06, 0x4f78 },
2010 { 0x06, 0x039f },
2011 { 0x06, 0x14ee },
2012 { 0x06, 0x834e },
2013 { 0x06, 0x05d2 },
2014 { 0x06, 0x40d6 },
2015 { 0x06, 0x5554 },
2016 { 0x06, 0x0282 },
2017 { 0x06, 0x17d2 },
2018 { 0x06, 0xa0d6 },
2019 { 0x06, 0xba00 },
2020 { 0x06, 0x0282 },
2021 { 0x06, 0x17fe },
2022 { 0x06, 0xfdfc },
2023 { 0x06, 0x05f8 },
2024 { 0x06, 0xe0f8 },
2025 { 0x06, 0x60e1 },
2026 { 0x06, 0xf861 },
2027 { 0x06, 0x6802 },
2028 { 0x06, 0xe4f8 },
2029 { 0x06, 0x60e5 },
2030 { 0x06, 0xf861 },
2031 { 0x06, 0xe0f8 },
2032 { 0x06, 0x48e1 },
2033 { 0x06, 0xf849 },
2034 { 0x06, 0x580f },
2035 { 0x06, 0x1e02 },
2036 { 0x06, 0xe4f8 },
2037 { 0x06, 0x48e5 },
2038 { 0x06, 0xf849 },
2039 { 0x06, 0xd000 },
2040 { 0x06, 0x0282 },
2041 { 0x06, 0x5bbf },
2042 { 0x06, 0x8350 },
2043 { 0x06, 0xef46 },
2044 { 0x06, 0xdc19 },
2045 { 0x06, 0xddd0 },
2046 { 0x06, 0x0102 },
2047 { 0x06, 0x825b },
2048 { 0x06, 0x0282 },
2049 { 0x06, 0x77e0 },
2050 { 0x06, 0xf860 },
2051 { 0x06, 0xe1f8 },
2052 { 0x06, 0x6158 },
2053 { 0x06, 0xfde4 },
2054 { 0x06, 0xf860 },
2055 { 0x06, 0xe5f8 },
2056 { 0x06, 0x61fc },
2057 { 0x06, 0x04f9 },
2058 { 0x06, 0xfafb },
2059 { 0x06, 0xc6bf },
2060 { 0x06, 0xf840 },
2061 { 0x06, 0xbe83 },
2062 { 0x06, 0x50a0 },
2063 { 0x06, 0x0101 },
2064 { 0x06, 0x071b },
2065 { 0x06, 0x89cf },
2066 { 0x06, 0xd208 },
2067 { 0x06, 0xebdb },
2068 { 0x06, 0x19b2 },
2069 { 0x06, 0xfbff },
2070 { 0x06, 0xfefd },
2071 { 0x06, 0x04f8 },
2072 { 0x06, 0xe0f8 },
2073 { 0x06, 0x48e1 },
2074 { 0x06, 0xf849 },
2075 { 0x06, 0x6808 },
2076 { 0x06, 0xe4f8 },
2077 { 0x06, 0x48e5 },
2078 { 0x06, 0xf849 },
2079 { 0x06, 0x58f7 },
2080 { 0x06, 0xe4f8 },
2081 { 0x06, 0x48e5 },
2082 { 0x06, 0xf849 },
2083 { 0x06, 0xfc04 },
2084 { 0x06, 0x4d20 },
2085 { 0x06, 0x0002 },
2086 { 0x06, 0x4e22 },
2087 { 0x06, 0x0002 },
2088 { 0x06, 0x4ddf },
2089 { 0x06, 0xff01 },
2090 { 0x06, 0x4edd },
2091 { 0x06, 0xff01 },
2092 { 0x05, 0x83d4 },
2093 { 0x06, 0x8000 },
2094 { 0x05, 0x83d8 },
2095 { 0x06, 0x8051 },
2096 { 0x02, 0x6010 },
2097 { 0x03, 0xdc00 },
2098 { 0x05, 0xfff6 },
2099 { 0x06, 0x00fc },
2100 { 0x1f, 0x0000 },
2101
2102 { 0x1f, 0x0000 },
2103 { 0x0d, 0xf880 },
2104 { 0x1f, 0x0000 }
2105 };
2106
2107 rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2108
2109 mdio_write(ioaddr, 0x1f, 0x0002);
2110 mdio_plus_minus(ioaddr, 0x0b, 0x0010, 0x00ef);
2111 mdio_plus_minus(ioaddr, 0x0c, 0xa200, 0x5d00);
2112
2113 rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1));
2114
2115 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2116 static const struct phy_reg phy_reg_init[] = {
2117 { 0x1f, 0x0002 },
2118 { 0x05, 0x669a },
2119 { 0x1f, 0x0005 },
2120 { 0x05, 0x8330 },
2121 { 0x06, 0x669a },
2122 { 0x1f, 0x0002 }
2123 };
2124 int val;
2125
2126 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2127
2128 val = mdio_read(ioaddr, 0x0d);
2129
2130 if ((val & 0x00ff) != 0x006c) {
2131 static const u32 set[] = {
2132 0x0065, 0x0066, 0x0067, 0x0068,
2133 0x0069, 0x006a, 0x006b, 0x006c
2134 };
2135 int i;
2136
2137 mdio_write(ioaddr, 0x1f, 0x0002);
2138
2139 val &= 0xff00;
2140 for (i = 0; i < ARRAY_SIZE(set); i++)
2141 mdio_write(ioaddr, 0x0d, val | set[i]);
2142 }
2143 } else {
2144 static const struct phy_reg phy_reg_init[] = {
2145 { 0x1f, 0x0002 },
2146 { 0x05, 0x6662 },
2147 { 0x1f, 0x0005 },
2148 { 0x05, 0x8330 },
2149 { 0x06, 0x6662 }
2150 };
2151
2152 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2153 }
2154
2155 mdio_write(ioaddr, 0x1f, 0x0002);
2156 mdio_patch(ioaddr, 0x0d, 0x0300);
2157 mdio_patch(ioaddr, 0x0f, 0x0010);
2158
2159 mdio_write(ioaddr, 0x1f, 0x0002);
2160 mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600);
2161 mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000);
2162
2163 rtl_phy_write(ioaddr, phy_reg_init_2, ARRAY_SIZE(phy_reg_init_2));
2164 }
2165
2166 static void rtl8168d_2_hw_phy_config(void __iomem *ioaddr)
2167 {
2168 static const struct phy_reg phy_reg_init_0[] = {
2169 { 0x1f, 0x0001 },
2170 { 0x06, 0x4064 },
2171 { 0x07, 0x2863 },
2172 { 0x08, 0x059c },
2173 { 0x09, 0x26b4 },
2174 { 0x0a, 0x6a19 },
2175 { 0x0b, 0xdcc8 },
2176 { 0x10, 0xf06d },
2177 { 0x14, 0x7f68 },
2178 { 0x18, 0x7fd9 },
2179 { 0x1c, 0xf0ff },
2180 { 0x1d, 0x3d9c },
2181 { 0x1f, 0x0003 },
2182 { 0x12, 0xf49f },
2183 { 0x13, 0x070b },
2184 { 0x1a, 0x05ad },
2185 { 0x14, 0x94c0 },
2186
2187 { 0x1f, 0x0002 },
2188 { 0x06, 0x5561 },
2189 { 0x1f, 0x0005 },
2190 { 0x05, 0x8332 },
2191 { 0x06, 0x5561 }
2192 };
2193 static const struct phy_reg phy_reg_init_1[] = {
2194 { 0x1f, 0x0005 },
2195 { 0x05, 0xffc2 },
2196 { 0x1f, 0x0005 },
2197 { 0x05, 0x8000 },
2198 { 0x06, 0xf8f9 },
2199 { 0x06, 0xfaee },
2200 { 0x06, 0xf8ea },
2201 { 0x06, 0x00ee },
2202 { 0x06, 0xf8eb },
2203 { 0x06, 0x00e2 },
2204 { 0x06, 0xf87c },
2205 { 0x06, 0xe3f8 },
2206 { 0x06, 0x7da5 },
2207 { 0x06, 0x1111 },
2208 { 0x06, 0x12d2 },
2209 { 0x06, 0x40d6 },
2210 { 0x06, 0x4444 },
2211 { 0x06, 0x0281 },
2212 { 0x06, 0xc6d2 },
2213 { 0x06, 0xa0d6 },
2214 { 0x06, 0xaaaa },
2215 { 0x06, 0x0281 },
2216 { 0x06, 0xc6ae },
2217 { 0x06, 0x0fa5 },
2218 { 0x06, 0x4444 },
2219 { 0x06, 0x02ae },
2220 { 0x06, 0x4da5 },
2221 { 0x06, 0xaaaa },
2222 { 0x06, 0x02ae },
2223 { 0x06, 0x47af },
2224 { 0x06, 0x81c2 },
2225 { 0x06, 0xee83 },
2226 { 0x06, 0x4e00 },
2227 { 0x06, 0xee83 },
2228 { 0x06, 0x4d0f },
2229 { 0x06, 0xee83 },
2230 { 0x06, 0x4c0f },
2231 { 0x06, 0xee83 },
2232 { 0x06, 0x4f00 },
2233 { 0x06, 0xee83 },
2234 { 0x06, 0x5100 },
2235 { 0x06, 0xee83 },
2236 { 0x06, 0x4aff },
2237 { 0x06, 0xee83 },
2238 { 0x06, 0x4bff },
2239 { 0x06, 0xe083 },
2240 { 0x06, 0x30e1 },
2241 { 0x06, 0x8331 },
2242 { 0x06, 0x58fe },
2243 { 0x06, 0xe4f8 },
2244 { 0x06, 0x8ae5 },
2245 { 0x06, 0xf88b },
2246 { 0x06, 0xe083 },
2247 { 0x06, 0x32e1 },
2248 { 0x06, 0x8333 },
2249 { 0x06, 0x590f },
2250 { 0x06, 0xe283 },
2251 { 0x06, 0x4d0c },
2252 { 0x06, 0x245a },
2253 { 0x06, 0xf01e },
2254 { 0x06, 0x12e4 },
2255 { 0x06, 0xf88c },
2256 { 0x06, 0xe5f8 },
2257 { 0x06, 0x8daf },
2258 { 0x06, 0x81c2 },
2259 { 0x06, 0xe083 },
2260 { 0x06, 0x4f10 },
2261 { 0x06, 0xe483 },
2262 { 0x06, 0x4fe0 },
2263 { 0x06, 0x834e },
2264 { 0x06, 0x7800 },
2265 { 0x06, 0x9f0a },
2266 { 0x06, 0xe083 },
2267 { 0x06, 0x4fa0 },
2268 { 0x06, 0x10a5 },
2269 { 0x06, 0xee83 },
2270 { 0x06, 0x4e01 },
2271 { 0x06, 0xe083 },
2272 { 0x06, 0x4e78 },
2273 { 0x06, 0x059e },
2274 { 0x06, 0x9ae0 },
2275 { 0x06, 0x834e },
2276 { 0x06, 0x7804 },
2277 { 0x06, 0x9e10 },
2278 { 0x06, 0xe083 },
2279 { 0x06, 0x4e78 },
2280 { 0x06, 0x039e },
2281 { 0x06, 0x0fe0 },
2282 { 0x06, 0x834e },
2283 { 0x06, 0x7801 },
2284 { 0x06, 0x9e05 },
2285 { 0x06, 0xae0c },
2286 { 0x06, 0xaf81 },
2287 { 0x06, 0xa7af },
2288 { 0x06, 0x8152 },
2289 { 0x06, 0xaf81 },
2290 { 0x06, 0x8baf },
2291 { 0x06, 0x81c2 },
2292 { 0x06, 0xee83 },
2293 { 0x06, 0x4800 },
2294 { 0x06, 0xee83 },
2295 { 0x06, 0x4900 },
2296 { 0x06, 0xe083 },
2297 { 0x06, 0x5110 },
2298 { 0x06, 0xe483 },
2299 { 0x06, 0x5158 },
2300 { 0x06, 0x019f },
2301 { 0x06, 0xead0 },
2302 { 0x06, 0x00d1 },
2303 { 0x06, 0x801f },
2304 { 0x06, 0x66e2 },
2305 { 0x06, 0xf8ea },
2306 { 0x06, 0xe3f8 },
2307 { 0x06, 0xeb5a },
2308 { 0x06, 0xf81e },
2309 { 0x06, 0x20e6 },
2310 { 0x06, 0xf8ea },
2311 { 0x06, 0xe5f8 },
2312 { 0x06, 0xebd3 },
2313 { 0x06, 0x02b3 },
2314 { 0x06, 0xfee2 },
2315 { 0x06, 0xf87c },
2316 { 0x06, 0xef32 },
2317 { 0x06, 0x5b80 },
2318 { 0x06, 0xe3f8 },
2319 { 0x06, 0x7d9e },
2320 { 0x06, 0x037d },
2321 { 0x06, 0xffff },
2322 { 0x06, 0x0d58 },
2323 { 0x06, 0x1c55 },
2324 { 0x06, 0x1a65 },
2325 { 0x06, 0x11a1 },
2326 { 0x06, 0x90d3 },
2327 { 0x06, 0xe283 },
2328 { 0x06, 0x48e3 },
2329 { 0x06, 0x8349 },
2330 { 0x06, 0x1b56 },
2331 { 0x06, 0xab08 },
2332 { 0x06, 0xef56 },
2333 { 0x06, 0xe683 },
2334 { 0x06, 0x48e7 },
2335 { 0x06, 0x8349 },
2336 { 0x06, 0x10d1 },
2337 { 0x06, 0x801f },
2338 { 0x06, 0x66a0 },
2339 { 0x06, 0x04b9 },
2340 { 0x06, 0xe283 },
2341 { 0x06, 0x48e3 },
2342 { 0x06, 0x8349 },
2343 { 0x06, 0xef65 },
2344 { 0x06, 0xe283 },
2345 { 0x06, 0x4ae3 },
2346 { 0x06, 0x834b },
2347 { 0x06, 0x1b56 },
2348 { 0x06, 0xaa0e },
2349 { 0x06, 0xef56 },
2350 { 0x06, 0xe683 },
2351 { 0x06, 0x4ae7 },
2352 { 0x06, 0x834b },
2353 { 0x06, 0xe283 },
2354 { 0x06, 0x4de6 },
2355 { 0x06, 0x834c },
2356 { 0x06, 0xe083 },
2357 { 0x06, 0x4da0 },
2358 { 0x06, 0x000c },
2359 { 0x06, 0xaf81 },
2360 { 0x06, 0x8be0 },
2361 { 0x06, 0x834d },
2362 { 0x06, 0x10e4 },
2363 { 0x06, 0x834d },
2364 { 0x06, 0xae04 },
2365 { 0x06, 0x80e4 },
2366 { 0x06, 0x834d },
2367 { 0x06, 0xe083 },
2368 { 0x06, 0x4e78 },
2369 { 0x06, 0x039e },
2370 { 0x06, 0x0be0 },
2371 { 0x06, 0x834e },
2372 { 0x06, 0x7804 },
2373 { 0x06, 0x9e04 },
2374 { 0x06, 0xee83 },
2375 { 0x06, 0x4e02 },
2376 { 0x06, 0xe083 },
2377 { 0x06, 0x32e1 },
2378 { 0x06, 0x8333 },
2379 { 0x06, 0x590f },
2380 { 0x06, 0xe283 },
2381 { 0x06, 0x4d0c },
2382 { 0x06, 0x245a },
2383 { 0x06, 0xf01e },
2384 { 0x06, 0x12e4 },
2385 { 0x06, 0xf88c },
2386 { 0x06, 0xe5f8 },
2387 { 0x06, 0x8de0 },
2388 { 0x06, 0x8330 },
2389 { 0x06, 0xe183 },
2390 { 0x06, 0x3168 },
2391 { 0x06, 0x01e4 },
2392 { 0x06, 0xf88a },
2393 { 0x06, 0xe5f8 },
2394 { 0x06, 0x8bae },
2395 { 0x06, 0x37ee },
2396 { 0x06, 0x834e },
2397 { 0x06, 0x03e0 },
2398 { 0x06, 0x834c },
2399 { 0x06, 0xe183 },
2400 { 0x06, 0x4d1b },
2401 { 0x06, 0x019e },
2402 { 0x06, 0x04aa },
2403 { 0x06, 0xa1ae },
2404 { 0x06, 0xa8ee },
2405 { 0x06, 0x834e },
2406 { 0x06, 0x04ee },
2407 { 0x06, 0x834f },
2408 { 0x06, 0x00ae },
2409 { 0x06, 0xabe0 },
2410 { 0x06, 0x834f },
2411 { 0x06, 0x7803 },
2412 { 0x06, 0x9f14 },
2413 { 0x06, 0xee83 },
2414 { 0x06, 0x4e05 },
2415 { 0x06, 0xd240 },
2416 { 0x06, 0xd655 },
2417 { 0x06, 0x5402 },
2418 { 0x06, 0x81c6 },
2419 { 0x06, 0xd2a0 },
2420 { 0x06, 0xd6ba },
2421 { 0x06, 0x0002 },
2422 { 0x06, 0x81c6 },
2423 { 0x06, 0xfefd },
2424 { 0x06, 0xfc05 },
2425 { 0x06, 0xf8e0 },
2426 { 0x06, 0xf860 },
2427 { 0x06, 0xe1f8 },
2428 { 0x06, 0x6168 },
2429 { 0x06, 0x02e4 },
2430 { 0x06, 0xf860 },
2431 { 0x06, 0xe5f8 },
2432 { 0x06, 0x61e0 },
2433 { 0x06, 0xf848 },
2434 { 0x06, 0xe1f8 },
2435 { 0x06, 0x4958 },
2436 { 0x06, 0x0f1e },
2437 { 0x06, 0x02e4 },
2438 { 0x06, 0xf848 },
2439 { 0x06, 0xe5f8 },
2440 { 0x06, 0x49d0 },
2441 { 0x06, 0x0002 },
2442 { 0x06, 0x820a },
2443 { 0x06, 0xbf83 },
2444 { 0x06, 0x50ef },
2445 { 0x06, 0x46dc },
2446 { 0x06, 0x19dd },
2447 { 0x06, 0xd001 },
2448 { 0x06, 0x0282 },
2449 { 0x06, 0x0a02 },
2450 { 0x06, 0x8226 },
2451 { 0x06, 0xe0f8 },
2452 { 0x06, 0x60e1 },
2453 { 0x06, 0xf861 },
2454 { 0x06, 0x58fd },
2455 { 0x06, 0xe4f8 },
2456 { 0x06, 0x60e5 },
2457 { 0x06, 0xf861 },
2458 { 0x06, 0xfc04 },
2459 { 0x06, 0xf9fa },
2460 { 0x06, 0xfbc6 },
2461 { 0x06, 0xbff8 },
2462 { 0x06, 0x40be },
2463 { 0x06, 0x8350 },
2464 { 0x06, 0xa001 },
2465 { 0x06, 0x0107 },
2466 { 0x06, 0x1b89 },
2467 { 0x06, 0xcfd2 },
2468 { 0x06, 0x08eb },
2469 { 0x06, 0xdb19 },
2470 { 0x06, 0xb2fb },
2471 { 0x06, 0xfffe },
2472 { 0x06, 0xfd04 },
2473 { 0x06, 0xf8e0 },
2474 { 0x06, 0xf848 },
2475 { 0x06, 0xe1f8 },
2476 { 0x06, 0x4968 },
2477 { 0x06, 0x08e4 },
2478 { 0x06, 0xf848 },
2479 { 0x06, 0xe5f8 },
2480 { 0x06, 0x4958 },
2481 { 0x06, 0xf7e4 },
2482 { 0x06, 0xf848 },
2483 { 0x06, 0xe5f8 },
2484 { 0x06, 0x49fc },
2485 { 0x06, 0x044d },
2486 { 0x06, 0x2000 },
2487 { 0x06, 0x024e },
2488 { 0x06, 0x2200 },
2489 { 0x06, 0x024d },
2490 { 0x06, 0xdfff },
2491 { 0x06, 0x014e },
2492 { 0x06, 0xddff },
2493 { 0x06, 0x0100 },
2494 { 0x05, 0x83d8 },
2495 { 0x06, 0x8000 },
2496 { 0x03, 0xdc00 },
2497 { 0x05, 0xfff6 },
2498 { 0x06, 0x00fc },
2499 { 0x1f, 0x0000 },
2500
2501 { 0x1f, 0x0000 },
2502 { 0x0d, 0xf880 },
2503 { 0x1f, 0x0000 }
2504 };
2505
2506 rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2507
2508 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2509 static const struct phy_reg phy_reg_init[] = {
2510 { 0x1f, 0x0002 },
2511 { 0x05, 0x669a },
2512 { 0x1f, 0x0005 },
2513 { 0x05, 0x8330 },
2514 { 0x06, 0x669a },
2515
2516 { 0x1f, 0x0002 }
2517 };
2518 int val;
2519
2520 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2521
2522 val = mdio_read(ioaddr, 0x0d);
2523 if ((val & 0x00ff) != 0x006c) {
2524 u32 set[] = {
2525 0x0065, 0x0066, 0x0067, 0x0068,
2526 0x0069, 0x006a, 0x006b, 0x006c
2527 };
2528 int i;
2529
2530 mdio_write(ioaddr, 0x1f, 0x0002);
2531
2532 val &= 0xff00;
2533 for (i = 0; i < ARRAY_SIZE(set); i++)
2534 mdio_write(ioaddr, 0x0d, val | set[i]);
2535 }
2536 } else {
2537 static const struct phy_reg phy_reg_init[] = {
2538 { 0x1f, 0x0002 },
2539 { 0x05, 0x2642 },
2540 { 0x1f, 0x0005 },
2541 { 0x05, 0x8330 },
2542 { 0x06, 0x2642 }
2543 };
2544
2545 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2546 }
2547
2548 mdio_write(ioaddr, 0x1f, 0x0002);
2549 mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600);
2550 mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000);
2551
2552 mdio_write(ioaddr, 0x1f, 0x0001);
2553 mdio_write(ioaddr, 0x17, 0x0cc0);
2554
2555 mdio_write(ioaddr, 0x1f, 0x0002);
2556 mdio_patch(ioaddr, 0x0f, 0x0017);
2557
2558 rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1));
2559 }
2560
2561 static void rtl8168d_3_hw_phy_config(void __iomem *ioaddr)
2562 {
2563 static const struct phy_reg phy_reg_init[] = {
2564 { 0x1f, 0x0002 },
2565 { 0x10, 0x0008 },
2566 { 0x0d, 0x006c },
2567
2568 { 0x1f, 0x0000 },
2569 { 0x0d, 0xf880 },
2570
2571 { 0x1f, 0x0001 },
2572 { 0x17, 0x0cc0 },
2573
2574 { 0x1f, 0x0001 },
2575 { 0x0b, 0xa4d8 },
2576 { 0x09, 0x281c },
2577 { 0x07, 0x2883 },
2578 { 0x0a, 0x6b35 },
2579 { 0x1d, 0x3da4 },
2580 { 0x1c, 0xeffd },
2581 { 0x14, 0x7f52 },
2582 { 0x18, 0x7fc6 },
2583 { 0x08, 0x0601 },
2584 { 0x06, 0x4063 },
2585 { 0x10, 0xf074 },
2586 { 0x1f, 0x0003 },
2587 { 0x13, 0x0789 },
2588 { 0x12, 0xf4bd },
2589 { 0x1a, 0x04fd },
2590 { 0x14, 0x84b0 },
2591 { 0x1f, 0x0000 },
2592 { 0x00, 0x9200 },
2593
2594 { 0x1f, 0x0005 },
2595 { 0x01, 0x0340 },
2596 { 0x1f, 0x0001 },
2597 { 0x04, 0x4000 },
2598 { 0x03, 0x1d21 },
2599 { 0x02, 0x0c32 },
2600 { 0x01, 0x0200 },
2601 { 0x00, 0x5554 },
2602 { 0x04, 0x4800 },
2603 { 0x04, 0x4000 },
2604 { 0x04, 0xf000 },
2605 { 0x03, 0xdf01 },
2606 { 0x02, 0xdf20 },
2607 { 0x01, 0x101a },
2608 { 0x00, 0xa0ff },
2609 { 0x04, 0xf800 },
2610 { 0x04, 0xf000 },
2611 { 0x1f, 0x0000 },
2612
2613 { 0x1f, 0x0007 },
2614 { 0x1e, 0x0023 },
2615 { 0x16, 0x0000 },
2616 { 0x1f, 0x0000 }
2617 };
2618
2619 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2620 }
2621
2622 static void rtl8102e_hw_phy_config(void __iomem *ioaddr)
2623 {
2624 static const struct phy_reg phy_reg_init[] = {
2625 { 0x1f, 0x0003 },
2626 { 0x08, 0x441d },
2627 { 0x01, 0x9100 },
2628 { 0x1f, 0x0000 }
2629 };
2630
2631 mdio_write(ioaddr, 0x1f, 0x0000);
2632 mdio_patch(ioaddr, 0x11, 1 << 12);
2633 mdio_patch(ioaddr, 0x19, 1 << 13);
2634 mdio_patch(ioaddr, 0x10, 1 << 15);
2635
2636 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2637 }
2638
2639 static void rtl_hw_phy_config(struct net_device *dev)
2640 {
2641 struct rtl8169_private *tp = netdev_priv(dev);
2642 void __iomem *ioaddr = tp->mmio_addr;
2643
2644 rtl8169_print_mac_version(tp);
2645
2646 switch (tp->mac_version) {
2647 case RTL_GIGA_MAC_VER_01:
2648 break;
2649 case RTL_GIGA_MAC_VER_02:
2650 case RTL_GIGA_MAC_VER_03:
2651 rtl8169s_hw_phy_config(ioaddr);
2652 break;
2653 case RTL_GIGA_MAC_VER_04:
2654 rtl8169sb_hw_phy_config(ioaddr);
2655 break;
2656 case RTL_GIGA_MAC_VER_05:
2657 rtl8169scd_hw_phy_config(tp, ioaddr);
2658 break;
2659 case RTL_GIGA_MAC_VER_06:
2660 rtl8169sce_hw_phy_config(ioaddr);
2661 break;
2662 case RTL_GIGA_MAC_VER_07:
2663 case RTL_GIGA_MAC_VER_08:
2664 case RTL_GIGA_MAC_VER_09:
2665 rtl8102e_hw_phy_config(ioaddr);
2666 break;
2667 case RTL_GIGA_MAC_VER_11:
2668 rtl8168bb_hw_phy_config(ioaddr);
2669 break;
2670 case RTL_GIGA_MAC_VER_12:
2671 rtl8168bef_hw_phy_config(ioaddr);
2672 break;
2673 case RTL_GIGA_MAC_VER_17:
2674 rtl8168bef_hw_phy_config(ioaddr);
2675 break;
2676 case RTL_GIGA_MAC_VER_18:
2677 rtl8168cp_1_hw_phy_config(ioaddr);
2678 break;
2679 case RTL_GIGA_MAC_VER_19:
2680 rtl8168c_1_hw_phy_config(ioaddr);
2681 break;
2682 case RTL_GIGA_MAC_VER_20:
2683 rtl8168c_2_hw_phy_config(ioaddr);
2684 break;
2685 case RTL_GIGA_MAC_VER_21:
2686 rtl8168c_3_hw_phy_config(ioaddr);
2687 break;
2688 case RTL_GIGA_MAC_VER_22:
2689 rtl8168c_4_hw_phy_config(ioaddr);
2690 break;
2691 case RTL_GIGA_MAC_VER_23:
2692 case RTL_GIGA_MAC_VER_24:
2693 rtl8168cp_2_hw_phy_config(ioaddr);
2694 break;
2695 case RTL_GIGA_MAC_VER_25:
2696 rtl8168d_1_hw_phy_config(ioaddr);
2697 break;
2698 case RTL_GIGA_MAC_VER_26:
2699 rtl8168d_2_hw_phy_config(ioaddr);
2700 break;
2701 case RTL_GIGA_MAC_VER_27:
2702 rtl8168d_3_hw_phy_config(ioaddr);
2703 break;
2704
2705 default:
2706 break;
2707 }
2708 }
2709
2710 static void rtl8169_phy_timer(unsigned long __opaque)
2711 {
2712 struct net_device *dev = (struct net_device *)__opaque;
2713 struct rtl8169_private *tp = netdev_priv(dev);
2714 struct timer_list *timer = &tp->timer;
2715 void __iomem *ioaddr = tp->mmio_addr;
2716 unsigned long timeout = RTL8169_PHY_TIMEOUT;
2717
2718 assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
2719
2720 if (!(tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL))
2721 return;
2722
2723 spin_lock_irq(&tp->lock);
2724
2725 if (tp->phy_reset_pending(ioaddr)) {
2726 /*
2727 * A busy loop could burn quite a few cycles on nowadays CPU.
2728 * Let's delay the execution of the timer for a few ticks.
2729 */
2730 timeout = HZ/10;
2731 goto out_mod_timer;
2732 }
2733
2734 if (tp->link_ok(ioaddr))
2735 goto out_unlock;
2736
2737 netif_warn(tp, link, dev, "PHY reset until link up\n");
2738
2739 tp->phy_reset_enable(ioaddr);
2740
2741 out_mod_timer:
2742 mod_timer(timer, jiffies + timeout);
2743 out_unlock:
2744 spin_unlock_irq(&tp->lock);
2745 }
2746
2747 static inline void rtl8169_delete_timer(struct net_device *dev)
2748 {
2749 struct rtl8169_private *tp = netdev_priv(dev);
2750 struct timer_list *timer = &tp->timer;
2751
2752 if (tp->mac_version <= RTL_GIGA_MAC_VER_01)
2753 return;
2754
2755 del_timer_sync(timer);
2756 }
2757
2758 static inline void rtl8169_request_timer(struct net_device *dev)
2759 {
2760 struct rtl8169_private *tp = netdev_priv(dev);
2761 struct timer_list *timer = &tp->timer;
2762
2763 if (tp->mac_version <= RTL_GIGA_MAC_VER_01)
2764 return;
2765
2766 mod_timer(timer, jiffies + RTL8169_PHY_TIMEOUT);
2767 }
2768
2769 #ifdef CONFIG_NET_POLL_CONTROLLER
2770 /*
2771 * Polling 'interrupt' - used by things like netconsole to send skbs
2772 * without having to re-enable interrupts. It's not called while
2773 * the interrupt routine is executing.
2774 */
2775 static void rtl8169_netpoll(struct net_device *dev)
2776 {
2777 struct rtl8169_private *tp = netdev_priv(dev);
2778 struct pci_dev *pdev = tp->pci_dev;
2779
2780 disable_irq(pdev->irq);
2781 rtl8169_interrupt(pdev->irq, dev);
2782 enable_irq(pdev->irq);
2783 }
2784 #endif
2785
2786 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
2787 void __iomem *ioaddr)
2788 {
2789 iounmap(ioaddr);
2790 pci_release_regions(pdev);
2791 pci_clear_mwi(pdev);
2792 pci_disable_device(pdev);
2793 free_netdev(dev);
2794 }
2795
2796 static void rtl8169_phy_reset(struct net_device *dev,
2797 struct rtl8169_private *tp)
2798 {
2799 void __iomem *ioaddr = tp->mmio_addr;
2800 unsigned int i;
2801
2802 tp->phy_reset_enable(ioaddr);
2803 for (i = 0; i < 100; i++) {
2804 if (!tp->phy_reset_pending(ioaddr))
2805 return;
2806 msleep(1);
2807 }
2808 netif_err(tp, link, dev, "PHY reset failed\n");
2809 }
2810
2811 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
2812 {
2813 void __iomem *ioaddr = tp->mmio_addr;
2814
2815 rtl_hw_phy_config(dev);
2816
2817 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
2818 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
2819 RTL_W8(0x82, 0x01);
2820 }
2821
2822 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
2823
2824 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
2825 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
2826
2827 if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
2828 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
2829 RTL_W8(0x82, 0x01);
2830 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
2831 mdio_write(ioaddr, 0x0b, 0x0000); //w 0x0b 15 0 0
2832 }
2833
2834 rtl8169_phy_reset(dev, tp);
2835
2836 /*
2837 * rtl8169_set_speed_xmii takes good care of the Fast Ethernet
2838 * only 8101. Don't panic.
2839 */
2840 rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL);
2841
2842 if (RTL_R8(PHYstatus) & TBI_Enable)
2843 netif_info(tp, link, dev, "TBI auto-negotiating\n");
2844 }
2845
2846 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
2847 {
2848 void __iomem *ioaddr = tp->mmio_addr;
2849 u32 high;
2850 u32 low;
2851
2852 low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2853 high = addr[4] | (addr[5] << 8);
2854
2855 spin_lock_irq(&tp->lock);
2856
2857 RTL_W8(Cfg9346, Cfg9346_Unlock);
2858
2859 RTL_W32(MAC4, high);
2860 RTL_R32(MAC4);
2861
2862 RTL_W32(MAC0, low);
2863 RTL_R32(MAC0);
2864
2865 RTL_W8(Cfg9346, Cfg9346_Lock);
2866
2867 spin_unlock_irq(&tp->lock);
2868 }
2869
2870 static int rtl_set_mac_address(struct net_device *dev, void *p)
2871 {
2872 struct rtl8169_private *tp = netdev_priv(dev);
2873 struct sockaddr *addr = p;
2874
2875 if (!is_valid_ether_addr(addr->sa_data))
2876 return -EADDRNOTAVAIL;
2877
2878 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
2879
2880 rtl_rar_set(tp, dev->dev_addr);
2881
2882 return 0;
2883 }
2884
2885 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
2886 {
2887 struct rtl8169_private *tp = netdev_priv(dev);
2888 struct mii_ioctl_data *data = if_mii(ifr);
2889
2890 return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
2891 }
2892
2893 static int rtl_xmii_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
2894 {
2895 switch (cmd) {
2896 case SIOCGMIIPHY:
2897 data->phy_id = 32; /* Internal PHY */
2898 return 0;
2899
2900 case SIOCGMIIREG:
2901 data->val_out = mdio_read(tp->mmio_addr, data->reg_num & 0x1f);
2902 return 0;
2903
2904 case SIOCSMIIREG:
2905 mdio_write(tp->mmio_addr, data->reg_num & 0x1f, data->val_in);
2906 return 0;
2907 }
2908 return -EOPNOTSUPP;
2909 }
2910
2911 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
2912 {
2913 return -EOPNOTSUPP;
2914 }
2915
2916 static const struct rtl_cfg_info {
2917 void (*hw_start)(struct net_device *);
2918 unsigned int region;
2919 unsigned int align;
2920 u16 intr_event;
2921 u16 napi_event;
2922 unsigned features;
2923 u8 default_ver;
2924 } rtl_cfg_infos [] = {
2925 [RTL_CFG_0] = {
2926 .hw_start = rtl_hw_start_8169,
2927 .region = 1,
2928 .align = 0,
2929 .intr_event = SYSErr | LinkChg | RxOverflow |
2930 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
2931 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
2932 .features = RTL_FEATURE_GMII,
2933 .default_ver = RTL_GIGA_MAC_VER_01,
2934 },
2935 [RTL_CFG_1] = {
2936 .hw_start = rtl_hw_start_8168,
2937 .region = 2,
2938 .align = 8,
2939 .intr_event = SYSErr | RxFIFOOver | LinkChg | RxOverflow |
2940 TxErr | TxOK | RxOK | RxErr,
2941 .napi_event = TxErr | TxOK | RxOK | RxOverflow,
2942 .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
2943 .default_ver = RTL_GIGA_MAC_VER_11,
2944 },
2945 [RTL_CFG_2] = {
2946 .hw_start = rtl_hw_start_8101,
2947 .region = 2,
2948 .align = 8,
2949 .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout |
2950 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
2951 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
2952 .features = RTL_FEATURE_MSI,
2953 .default_ver = RTL_GIGA_MAC_VER_13,
2954 }
2955 };
2956
2957 /* Cfg9346_Unlock assumed. */
2958 static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
2959 const struct rtl_cfg_info *cfg)
2960 {
2961 unsigned msi = 0;
2962 u8 cfg2;
2963
2964 cfg2 = RTL_R8(Config2) & ~MSIEnable;
2965 if (cfg->features & RTL_FEATURE_MSI) {
2966 if (pci_enable_msi(pdev)) {
2967 dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
2968 } else {
2969 cfg2 |= MSIEnable;
2970 msi = RTL_FEATURE_MSI;
2971 }
2972 }
2973 RTL_W8(Config2, cfg2);
2974 return msi;
2975 }
2976
2977 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
2978 {
2979 if (tp->features & RTL_FEATURE_MSI) {
2980 pci_disable_msi(pdev);
2981 tp->features &= ~RTL_FEATURE_MSI;
2982 }
2983 }
2984
2985 static const struct net_device_ops rtl8169_netdev_ops = {
2986 .ndo_open = rtl8169_open,
2987 .ndo_stop = rtl8169_close,
2988 .ndo_get_stats = rtl8169_get_stats,
2989 .ndo_start_xmit = rtl8169_start_xmit,
2990 .ndo_tx_timeout = rtl8169_tx_timeout,
2991 .ndo_validate_addr = eth_validate_addr,
2992 .ndo_change_mtu = rtl8169_change_mtu,
2993 .ndo_set_mac_address = rtl_set_mac_address,
2994 .ndo_do_ioctl = rtl8169_ioctl,
2995 .ndo_set_multicast_list = rtl_set_rx_mode,
2996 #ifdef CONFIG_R8169_VLAN
2997 .ndo_vlan_rx_register = rtl8169_vlan_rx_register,
2998 #endif
2999 #ifdef CONFIG_NET_POLL_CONTROLLER
3000 .ndo_poll_controller = rtl8169_netpoll,
3001 #endif
3002
3003 };
3004
3005 static int __devinit
3006 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3007 {
3008 const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
3009 const unsigned int region = cfg->region;
3010 struct rtl8169_private *tp;
3011 struct mii_if_info *mii;
3012 struct net_device *dev;
3013 void __iomem *ioaddr;
3014 unsigned int i;
3015 int rc;
3016
3017 if (netif_msg_drv(&debug)) {
3018 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
3019 MODULENAME, RTL8169_VERSION);
3020 }
3021
3022 dev = alloc_etherdev(sizeof (*tp));
3023 if (!dev) {
3024 if (netif_msg_drv(&debug))
3025 dev_err(&pdev->dev, "unable to alloc new ethernet\n");
3026 rc = -ENOMEM;
3027 goto out;
3028 }
3029
3030 SET_NETDEV_DEV(dev, &pdev->dev);
3031 dev->netdev_ops = &rtl8169_netdev_ops;
3032 tp = netdev_priv(dev);
3033 tp->dev = dev;
3034 tp->pci_dev = pdev;
3035 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
3036
3037 mii = &tp->mii;
3038 mii->dev = dev;
3039 mii->mdio_read = rtl_mdio_read;
3040 mii->mdio_write = rtl_mdio_write;
3041 mii->phy_id_mask = 0x1f;
3042 mii->reg_num_mask = 0x1f;
3043 mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
3044
3045 /* enable device (incl. PCI PM wakeup and hotplug setup) */
3046 rc = pci_enable_device(pdev);
3047 if (rc < 0) {
3048 netif_err(tp, probe, dev, "enable failure\n");
3049 goto err_out_free_dev_1;
3050 }
3051
3052 if (pci_set_mwi(pdev) < 0)
3053 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
3054
3055 /* make sure PCI base addr 1 is MMIO */
3056 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
3057 netif_err(tp, probe, dev,
3058 "region #%d not an MMIO resource, aborting\n",
3059 region);
3060 rc = -ENODEV;
3061 goto err_out_mwi_2;
3062 }
3063
3064 /* check for weird/broken PCI region reporting */
3065 if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
3066 netif_err(tp, probe, dev,
3067 "Invalid PCI region size(s), aborting\n");
3068 rc = -ENODEV;
3069 goto err_out_mwi_2;
3070 }
3071
3072 rc = pci_request_regions(pdev, MODULENAME);
3073 if (rc < 0) {
3074 netif_err(tp, probe, dev, "could not request regions\n");
3075 goto err_out_mwi_2;
3076 }
3077
3078 tp->cp_cmd = PCIMulRW | RxChkSum;
3079
3080 if ((sizeof(dma_addr_t) > 4) &&
3081 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
3082 tp->cp_cmd |= PCIDAC;
3083 dev->features |= NETIF_F_HIGHDMA;
3084 } else {
3085 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3086 if (rc < 0) {
3087 netif_err(tp, probe, dev, "DMA configuration failed\n");
3088 goto err_out_free_res_3;
3089 }
3090 }
3091
3092 /* ioremap MMIO region */
3093 ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
3094 if (!ioaddr) {
3095 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3096 rc = -EIO;
3097 goto err_out_free_res_3;
3098 }
3099
3100 tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
3101 if (!tp->pcie_cap)
3102 netif_info(tp, probe, dev, "no PCI Express capability\n");
3103
3104 RTL_W16(IntrMask, 0x0000);
3105
3106 /* Soft reset the chip. */
3107 RTL_W8(ChipCmd, CmdReset);
3108
3109 /* Check that the chip has finished the reset. */
3110 for (i = 0; i < 100; i++) {
3111 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3112 break;
3113 msleep_interruptible(1);
3114 }
3115
3116 RTL_W16(IntrStatus, 0xffff);
3117
3118 pci_set_master(pdev);
3119
3120 /* Identify chip attached to board */
3121 rtl8169_get_mac_version(tp, ioaddr);
3122
3123 /* Use appropriate default if unknown */
3124 if (tp->mac_version == RTL_GIGA_MAC_NONE) {
3125 netif_notice(tp, probe, dev,
3126 "unknown MAC, using family default\n");
3127 tp->mac_version = cfg->default_ver;
3128 }
3129
3130 rtl8169_print_mac_version(tp);
3131
3132 for (i = 0; i < ARRAY_SIZE(rtl_chip_info); i++) {
3133 if (tp->mac_version == rtl_chip_info[i].mac_version)
3134 break;
3135 }
3136 if (i == ARRAY_SIZE(rtl_chip_info)) {
3137 dev_err(&pdev->dev,
3138 "driver bug, MAC version not found in rtl_chip_info\n");
3139 goto err_out_msi_4;
3140 }
3141 tp->chipset = i;
3142
3143 RTL_W8(Cfg9346, Cfg9346_Unlock);
3144 RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
3145 RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
3146 if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
3147 tp->features |= RTL_FEATURE_WOL;
3148 if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
3149 tp->features |= RTL_FEATURE_WOL;
3150 tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
3151 RTL_W8(Cfg9346, Cfg9346_Lock);
3152
3153 if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
3154 (RTL_R8(PHYstatus) & TBI_Enable)) {
3155 tp->set_speed = rtl8169_set_speed_tbi;
3156 tp->get_settings = rtl8169_gset_tbi;
3157 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
3158 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
3159 tp->link_ok = rtl8169_tbi_link_ok;
3160 tp->do_ioctl = rtl_tbi_ioctl;
3161
3162 tp->phy_1000_ctrl_reg = ADVERTISE_1000FULL; /* Implied by TBI */
3163 } else {
3164 tp->set_speed = rtl8169_set_speed_xmii;
3165 tp->get_settings = rtl8169_gset_xmii;
3166 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
3167 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
3168 tp->link_ok = rtl8169_xmii_link_ok;
3169 tp->do_ioctl = rtl_xmii_ioctl;
3170 }
3171
3172 spin_lock_init(&tp->lock);
3173
3174 tp->mmio_addr = ioaddr;
3175
3176 /* Get MAC address */
3177 for (i = 0; i < MAC_ADDR_LEN; i++)
3178 dev->dev_addr[i] = RTL_R8(MAC0 + i);
3179 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
3180
3181 SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
3182 dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
3183 dev->irq = pdev->irq;
3184 dev->base_addr = (unsigned long) ioaddr;
3185
3186 netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
3187
3188 #ifdef CONFIG_R8169_VLAN
3189 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3190 #endif
3191
3192 tp->intr_mask = 0xffff;
3193 tp->align = cfg->align;
3194 tp->hw_start = cfg->hw_start;
3195 tp->intr_event = cfg->intr_event;
3196 tp->napi_event = cfg->napi_event;
3197
3198 init_timer(&tp->timer);
3199 tp->timer.data = (unsigned long) dev;
3200 tp->timer.function = rtl8169_phy_timer;
3201
3202 rc = register_netdev(dev);
3203 if (rc < 0)
3204 goto err_out_msi_4;
3205
3206 pci_set_drvdata(pdev, dev);
3207
3208 netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
3209 rtl_chip_info[tp->chipset].name,
3210 dev->base_addr, dev->dev_addr,
3211 (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
3212
3213 rtl8169_init_phy(dev, tp);
3214
3215 /*
3216 * Pretend we are using VLANs; This bypasses a nasty bug where
3217 * Interrupts stop flowing on high load on 8110SCd controllers.
3218 */
3219 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3220 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | RxVlan);
3221
3222 device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
3223
3224 if (pci_dev_run_wake(pdev))
3225 pm_runtime_put_noidle(&pdev->dev);
3226
3227 out:
3228 return rc;
3229
3230 err_out_msi_4:
3231 rtl_disable_msi(pdev, tp);
3232 iounmap(ioaddr);
3233 err_out_free_res_3:
3234 pci_release_regions(pdev);
3235 err_out_mwi_2:
3236 pci_clear_mwi(pdev);
3237 pci_disable_device(pdev);
3238 err_out_free_dev_1:
3239 free_netdev(dev);
3240 goto out;
3241 }
3242
3243 static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
3244 {
3245 struct net_device *dev = pci_get_drvdata(pdev);
3246 struct rtl8169_private *tp = netdev_priv(dev);
3247
3248 flush_scheduled_work();
3249
3250 unregister_netdev(dev);
3251
3252 if (pci_dev_run_wake(pdev))
3253 pm_runtime_get_noresume(&pdev->dev);
3254
3255 /* restore original MAC address */
3256 rtl_rar_set(tp, dev->perm_addr);
3257
3258 rtl_disable_msi(pdev, tp);
3259 rtl8169_release_board(pdev, dev, tp->mmio_addr);
3260 pci_set_drvdata(pdev, NULL);
3261 }
3262
3263 static void rtl8169_set_rxbufsize(struct rtl8169_private *tp,
3264 unsigned int mtu)
3265 {
3266 unsigned int max_frame = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
3267
3268 if (max_frame != 16383)
3269 printk(KERN_WARNING PFX "WARNING! Changing of MTU on this "
3270 "NIC may lead to frame reception errors!\n");
3271
3272 tp->rx_buf_sz = (max_frame > RX_BUF_SIZE) ? max_frame : RX_BUF_SIZE;
3273 }
3274
3275 static int rtl8169_open(struct net_device *dev)
3276 {
3277 struct rtl8169_private *tp = netdev_priv(dev);
3278 struct pci_dev *pdev = tp->pci_dev;
3279 int retval = -ENOMEM;
3280
3281 pm_runtime_get_sync(&pdev->dev);
3282
3283 /*
3284 * Note that we use a magic value here, its wierd I know
3285 * its done because, some subset of rtl8169 hardware suffers from
3286 * a problem in which frames received that are longer than
3287 * the size set in RxMaxSize register return garbage sizes
3288 * when received. To avoid this we need to turn off filtering,
3289 * which is done by setting a value of 16383 in the RxMaxSize register
3290 * and allocating 16k frames to handle the largest possible rx value
3291 * thats what the magic math below does.
3292 */
3293 rtl8169_set_rxbufsize(tp, 16383 - VLAN_ETH_HLEN - ETH_FCS_LEN);
3294
3295 /*
3296 * Rx and Tx desscriptors needs 256 bytes alignment.
3297 * dma_alloc_coherent provides more.
3298 */
3299 tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
3300 &tp->TxPhyAddr, GFP_KERNEL);
3301 if (!tp->TxDescArray)
3302 goto err_pm_runtime_put;
3303
3304 tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
3305 &tp->RxPhyAddr, GFP_KERNEL);
3306 if (!tp->RxDescArray)
3307 goto err_free_tx_0;
3308
3309 retval = rtl8169_init_ring(dev);
3310 if (retval < 0)
3311 goto err_free_rx_1;
3312
3313 INIT_DELAYED_WORK(&tp->task, NULL);
3314
3315 smp_mb();
3316
3317 retval = request_irq(dev->irq, rtl8169_interrupt,
3318 (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
3319 dev->name, dev);
3320 if (retval < 0)
3321 goto err_release_ring_2;
3322
3323 napi_enable(&tp->napi);
3324
3325 rtl_hw_start(dev);
3326
3327 rtl8169_request_timer(dev);
3328
3329 tp->saved_wolopts = 0;
3330 pm_runtime_put_noidle(&pdev->dev);
3331
3332 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
3333 out:
3334 return retval;
3335
3336 err_release_ring_2:
3337 rtl8169_rx_clear(tp);
3338 err_free_rx_1:
3339 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
3340 tp->RxPhyAddr);
3341 tp->RxDescArray = NULL;
3342 err_free_tx_0:
3343 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
3344 tp->TxPhyAddr);
3345 tp->TxDescArray = NULL;
3346 err_pm_runtime_put:
3347 pm_runtime_put_noidle(&pdev->dev);
3348 goto out;
3349 }
3350
3351 static void rtl8169_hw_reset(void __iomem *ioaddr)
3352 {
3353 /* Disable interrupts */
3354 rtl8169_irq_mask_and_ack(ioaddr);
3355
3356 /* Reset the chipset */
3357 RTL_W8(ChipCmd, CmdReset);
3358
3359 /* PCI commit */
3360 RTL_R8(ChipCmd);
3361 }
3362
3363 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
3364 {
3365 void __iomem *ioaddr = tp->mmio_addr;
3366 u32 cfg = rtl8169_rx_config;
3367
3368 cfg |= (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask);
3369 RTL_W32(RxConfig, cfg);
3370
3371 /* Set DMA burst size and Interframe Gap Time */
3372 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
3373 (InterFrameGap << TxInterFrameGapShift));
3374 }
3375
3376 static void rtl_hw_start(struct net_device *dev)
3377 {
3378 struct rtl8169_private *tp = netdev_priv(dev);
3379 void __iomem *ioaddr = tp->mmio_addr;
3380 unsigned int i;
3381
3382 /* Soft reset the chip. */
3383 RTL_W8(ChipCmd, CmdReset);
3384
3385 /* Check that the chip has finished the reset. */
3386 for (i = 0; i < 100; i++) {
3387 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3388 break;
3389 msleep_interruptible(1);
3390 }
3391
3392 tp->hw_start(dev);
3393
3394 netif_start_queue(dev);
3395 }
3396
3397
3398 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
3399 void __iomem *ioaddr)
3400 {
3401 /*
3402 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
3403 * register to be written before TxDescAddrLow to work.
3404 * Switching from MMIO to I/O access fixes the issue as well.
3405 */
3406 RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
3407 RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
3408 RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
3409 RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
3410 }
3411
3412 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
3413 {
3414 u16 cmd;
3415
3416 cmd = RTL_R16(CPlusCmd);
3417 RTL_W16(CPlusCmd, cmd);
3418 return cmd;
3419 }
3420
3421 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
3422 {
3423 /* Low hurts. Let's disable the filtering. */
3424 RTL_W16(RxMaxSize, rx_buf_sz + 1);
3425 }
3426
3427 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
3428 {
3429 static const struct {
3430 u32 mac_version;
3431 u32 clk;
3432 u32 val;
3433 } cfg2_info [] = {
3434 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
3435 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
3436 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
3437 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
3438 }, *p = cfg2_info;
3439 unsigned int i;
3440 u32 clk;
3441
3442 clk = RTL_R8(Config2) & PCI_Clock_66MHz;
3443 for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
3444 if ((p->mac_version == mac_version) && (p->clk == clk)) {
3445 RTL_W32(0x7c, p->val);
3446 break;
3447 }
3448 }
3449 }
3450
3451 static void rtl_hw_start_8169(struct net_device *dev)
3452 {
3453 struct rtl8169_private *tp = netdev_priv(dev);
3454 void __iomem *ioaddr = tp->mmio_addr;
3455 struct pci_dev *pdev = tp->pci_dev;
3456
3457 if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
3458 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
3459 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
3460 }
3461
3462 RTL_W8(Cfg9346, Cfg9346_Unlock);
3463 if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
3464 (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
3465 (tp->mac_version == RTL_GIGA_MAC_VER_03) ||
3466 (tp->mac_version == RTL_GIGA_MAC_VER_04))
3467 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3468
3469 RTL_W8(EarlyTxThres, EarlyTxThld);
3470
3471 rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz);
3472
3473 if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
3474 (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
3475 (tp->mac_version == RTL_GIGA_MAC_VER_03) ||
3476 (tp->mac_version == RTL_GIGA_MAC_VER_04))
3477 rtl_set_rx_tx_config_registers(tp);
3478
3479 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
3480
3481 if ((tp->mac_version == RTL_GIGA_MAC_VER_02) ||
3482 (tp->mac_version == RTL_GIGA_MAC_VER_03)) {
3483 dprintk("Set MAC Reg C+CR Offset 0xE0. "
3484 "Bit-3 and bit-14 MUST be 1\n");
3485 tp->cp_cmd |= (1 << 14);
3486 }
3487
3488 RTL_W16(CPlusCmd, tp->cp_cmd);
3489
3490 rtl8169_set_magic_reg(ioaddr, tp->mac_version);
3491
3492 /*
3493 * Undocumented corner. Supposedly:
3494 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
3495 */
3496 RTL_W16(IntrMitigate, 0x0000);
3497
3498 rtl_set_rx_tx_desc_registers(tp, ioaddr);
3499
3500 if ((tp->mac_version != RTL_GIGA_MAC_VER_01) &&
3501 (tp->mac_version != RTL_GIGA_MAC_VER_02) &&
3502 (tp->mac_version != RTL_GIGA_MAC_VER_03) &&
3503 (tp->mac_version != RTL_GIGA_MAC_VER_04)) {
3504 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3505 rtl_set_rx_tx_config_registers(tp);
3506 }
3507
3508 RTL_W8(Cfg9346, Cfg9346_Lock);
3509
3510 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
3511 RTL_R8(IntrMask);
3512
3513 RTL_W32(RxMissed, 0);
3514
3515 rtl_set_rx_mode(dev);
3516
3517 /* no early-rx interrupts */
3518 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
3519
3520 /* Enable all known interrupts by setting the interrupt mask. */
3521 RTL_W16(IntrMask, tp->intr_event);
3522 }
3523
3524 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
3525 {
3526 struct net_device *dev = pci_get_drvdata(pdev);
3527 struct rtl8169_private *tp = netdev_priv(dev);
3528 int cap = tp->pcie_cap;
3529
3530 if (cap) {
3531 u16 ctl;
3532
3533 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
3534 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
3535 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
3536 }
3537 }
3538
3539 static void rtl_csi_access_enable(void __iomem *ioaddr)
3540 {
3541 u32 csi;
3542
3543 csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
3544 rtl_csi_write(ioaddr, 0x070c, csi | 0x27000000);
3545 }
3546
3547 struct ephy_info {
3548 unsigned int offset;
3549 u16 mask;
3550 u16 bits;
3551 };
3552
3553 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
3554 {
3555 u16 w;
3556
3557 while (len-- > 0) {
3558 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
3559 rtl_ephy_write(ioaddr, e->offset, w);
3560 e++;
3561 }
3562 }
3563
3564 static void rtl_disable_clock_request(struct pci_dev *pdev)
3565 {
3566 struct net_device *dev = pci_get_drvdata(pdev);
3567 struct rtl8169_private *tp = netdev_priv(dev);
3568 int cap = tp->pcie_cap;
3569
3570 if (cap) {
3571 u16 ctl;
3572
3573 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
3574 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
3575 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
3576 }
3577 }
3578
3579 #define R8168_CPCMD_QUIRK_MASK (\
3580 EnableBist | \
3581 Mac_dbgo_oe | \
3582 Force_half_dup | \
3583 Force_rxflow_en | \
3584 Force_txflow_en | \
3585 Cxpl_dbg_sel | \
3586 ASF | \
3587 PktCntrDisable | \
3588 Mac_dbgo_sel)
3589
3590 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
3591 {
3592 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3593
3594 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3595
3596 rtl_tx_performance_tweak(pdev,
3597 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
3598 }
3599
3600 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
3601 {
3602 rtl_hw_start_8168bb(ioaddr, pdev);
3603
3604 RTL_W8(EarlyTxThres, EarlyTxThld);
3605
3606 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
3607 }
3608
3609 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
3610 {
3611 RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
3612
3613 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3614
3615 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3616
3617 rtl_disable_clock_request(pdev);
3618
3619 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3620 }
3621
3622 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
3623 {
3624 static const struct ephy_info e_info_8168cp[] = {
3625 { 0x01, 0, 0x0001 },
3626 { 0x02, 0x0800, 0x1000 },
3627 { 0x03, 0, 0x0042 },
3628 { 0x06, 0x0080, 0x0000 },
3629 { 0x07, 0, 0x2000 }
3630 };
3631
3632 rtl_csi_access_enable(ioaddr);
3633
3634 rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
3635
3636 __rtl_hw_start_8168cp(ioaddr, pdev);
3637 }
3638
3639 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
3640 {
3641 rtl_csi_access_enable(ioaddr);
3642
3643 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3644
3645 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3646
3647 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3648 }
3649
3650 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
3651 {
3652 rtl_csi_access_enable(ioaddr);
3653
3654 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3655
3656 /* Magic. */
3657 RTL_W8(DBG_REG, 0x20);
3658
3659 RTL_W8(EarlyTxThres, EarlyTxThld);
3660
3661 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3662
3663 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3664 }
3665
3666 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
3667 {
3668 static const struct ephy_info e_info_8168c_1[] = {
3669 { 0x02, 0x0800, 0x1000 },
3670 { 0x03, 0, 0x0002 },
3671 { 0x06, 0x0080, 0x0000 }
3672 };
3673
3674 rtl_csi_access_enable(ioaddr);
3675
3676 RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
3677
3678 rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
3679
3680 __rtl_hw_start_8168cp(ioaddr, pdev);
3681 }
3682
3683 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
3684 {
3685 static const struct ephy_info e_info_8168c_2[] = {
3686 { 0x01, 0, 0x0001 },
3687 { 0x03, 0x0400, 0x0220 }
3688 };
3689
3690 rtl_csi_access_enable(ioaddr);
3691
3692 rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
3693
3694 __rtl_hw_start_8168cp(ioaddr, pdev);
3695 }
3696
3697 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
3698 {
3699 rtl_hw_start_8168c_2(ioaddr, pdev);
3700 }
3701
3702 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
3703 {
3704 rtl_csi_access_enable(ioaddr);
3705
3706 __rtl_hw_start_8168cp(ioaddr, pdev);
3707 }
3708
3709 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
3710 {
3711 rtl_csi_access_enable(ioaddr);
3712
3713 rtl_disable_clock_request(pdev);
3714
3715 RTL_W8(EarlyTxThres, EarlyTxThld);
3716
3717 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3718
3719 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3720 }
3721
3722 static void rtl_hw_start_8168(struct net_device *dev)
3723 {
3724 struct rtl8169_private *tp = netdev_priv(dev);
3725 void __iomem *ioaddr = tp->mmio_addr;
3726 struct pci_dev *pdev = tp->pci_dev;
3727
3728 RTL_W8(Cfg9346, Cfg9346_Unlock);
3729
3730 RTL_W8(EarlyTxThres, EarlyTxThld);
3731
3732 rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz);
3733
3734 tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
3735
3736 RTL_W16(CPlusCmd, tp->cp_cmd);
3737
3738 RTL_W16(IntrMitigate, 0x5151);
3739
3740 /* Work around for RxFIFO overflow. */
3741 if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
3742 tp->intr_event |= RxFIFOOver | PCSTimeout;
3743 tp->intr_event &= ~RxOverflow;
3744 }
3745
3746 rtl_set_rx_tx_desc_registers(tp, ioaddr);
3747
3748 rtl_set_rx_mode(dev);
3749
3750 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
3751 (InterFrameGap << TxInterFrameGapShift));
3752
3753 RTL_R8(IntrMask);
3754
3755 switch (tp->mac_version) {
3756 case RTL_GIGA_MAC_VER_11:
3757 rtl_hw_start_8168bb(ioaddr, pdev);
3758 break;
3759
3760 case RTL_GIGA_MAC_VER_12:
3761 case RTL_GIGA_MAC_VER_17:
3762 rtl_hw_start_8168bef(ioaddr, pdev);
3763 break;
3764
3765 case RTL_GIGA_MAC_VER_18:
3766 rtl_hw_start_8168cp_1(ioaddr, pdev);
3767 break;
3768
3769 case RTL_GIGA_MAC_VER_19:
3770 rtl_hw_start_8168c_1(ioaddr, pdev);
3771 break;
3772
3773 case RTL_GIGA_MAC_VER_20:
3774 rtl_hw_start_8168c_2(ioaddr, pdev);
3775 break;
3776
3777 case RTL_GIGA_MAC_VER_21:
3778 rtl_hw_start_8168c_3(ioaddr, pdev);
3779 break;
3780
3781 case RTL_GIGA_MAC_VER_22:
3782 rtl_hw_start_8168c_4(ioaddr, pdev);
3783 break;
3784
3785 case RTL_GIGA_MAC_VER_23:
3786 rtl_hw_start_8168cp_2(ioaddr, pdev);
3787 break;
3788
3789 case RTL_GIGA_MAC_VER_24:
3790 rtl_hw_start_8168cp_3(ioaddr, pdev);
3791 break;
3792
3793 case RTL_GIGA_MAC_VER_25:
3794 case RTL_GIGA_MAC_VER_26:
3795 case RTL_GIGA_MAC_VER_27:
3796 rtl_hw_start_8168d(ioaddr, pdev);
3797 break;
3798
3799 default:
3800 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
3801 dev->name, tp->mac_version);
3802 break;
3803 }
3804
3805 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3806
3807 RTL_W8(Cfg9346, Cfg9346_Lock);
3808
3809 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
3810
3811 RTL_W16(IntrMask, tp->intr_event);
3812 }
3813
3814 #define R810X_CPCMD_QUIRK_MASK (\
3815 EnableBist | \
3816 Mac_dbgo_oe | \
3817 Force_half_dup | \
3818 Force_rxflow_en | \
3819 Force_txflow_en | \
3820 Cxpl_dbg_sel | \
3821 ASF | \
3822 PktCntrDisable | \
3823 PCIDAC | \
3824 PCIMulRW)
3825
3826 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
3827 {
3828 static const struct ephy_info e_info_8102e_1[] = {
3829 { 0x01, 0, 0x6e65 },
3830 { 0x02, 0, 0x091f },
3831 { 0x03, 0, 0xc2f9 },
3832 { 0x06, 0, 0xafb5 },
3833 { 0x07, 0, 0x0e00 },
3834 { 0x19, 0, 0xec80 },
3835 { 0x01, 0, 0x2e65 },
3836 { 0x01, 0, 0x6e65 }
3837 };
3838 u8 cfg1;
3839
3840 rtl_csi_access_enable(ioaddr);
3841
3842 RTL_W8(DBG_REG, FIX_NAK_1);
3843
3844 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3845
3846 RTL_W8(Config1,
3847 LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
3848 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3849
3850 cfg1 = RTL_R8(Config1);
3851 if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
3852 RTL_W8(Config1, cfg1 & ~LEDS0);
3853
3854 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK);
3855
3856 rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
3857 }
3858
3859 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
3860 {
3861 rtl_csi_access_enable(ioaddr);
3862
3863 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3864
3865 RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
3866 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3867
3868 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK);
3869 }
3870
3871 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
3872 {
3873 rtl_hw_start_8102e_2(ioaddr, pdev);
3874
3875 rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
3876 }
3877
3878 static void rtl_hw_start_8101(struct net_device *dev)
3879 {
3880 struct rtl8169_private *tp = netdev_priv(dev);
3881 void __iomem *ioaddr = tp->mmio_addr;
3882 struct pci_dev *pdev = tp->pci_dev;
3883
3884 if ((tp->mac_version == RTL_GIGA_MAC_VER_13) ||
3885 (tp->mac_version == RTL_GIGA_MAC_VER_16)) {
3886 int cap = tp->pcie_cap;
3887
3888 if (cap) {
3889 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
3890 PCI_EXP_DEVCTL_NOSNOOP_EN);
3891 }
3892 }
3893
3894 switch (tp->mac_version) {
3895 case RTL_GIGA_MAC_VER_07:
3896 rtl_hw_start_8102e_1(ioaddr, pdev);
3897 break;
3898
3899 case RTL_GIGA_MAC_VER_08:
3900 rtl_hw_start_8102e_3(ioaddr, pdev);
3901 break;
3902
3903 case RTL_GIGA_MAC_VER_09:
3904 rtl_hw_start_8102e_2(ioaddr, pdev);
3905 break;
3906 }
3907
3908 RTL_W8(Cfg9346, Cfg9346_Unlock);
3909
3910 RTL_W8(EarlyTxThres, EarlyTxThld);
3911
3912 rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz);
3913
3914 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
3915
3916 RTL_W16(CPlusCmd, tp->cp_cmd);
3917
3918 RTL_W16(IntrMitigate, 0x0000);
3919
3920 rtl_set_rx_tx_desc_registers(tp, ioaddr);
3921
3922 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3923 rtl_set_rx_tx_config_registers(tp);
3924
3925 RTL_W8(Cfg9346, Cfg9346_Lock);
3926
3927 RTL_R8(IntrMask);
3928
3929 rtl_set_rx_mode(dev);
3930
3931 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3932
3933 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
3934
3935 RTL_W16(IntrMask, tp->intr_event);
3936 }
3937
3938 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
3939 {
3940 struct rtl8169_private *tp = netdev_priv(dev);
3941 int ret = 0;
3942
3943 if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
3944 return -EINVAL;
3945
3946 dev->mtu = new_mtu;
3947
3948 if (!netif_running(dev))
3949 goto out;
3950
3951 rtl8169_down(dev);
3952
3953 rtl8169_set_rxbufsize(tp, dev->mtu);
3954
3955 ret = rtl8169_init_ring(dev);
3956 if (ret < 0)
3957 goto out;
3958
3959 napi_enable(&tp->napi);
3960
3961 rtl_hw_start(dev);
3962
3963 rtl8169_request_timer(dev);
3964
3965 out:
3966 return ret;
3967 }
3968
3969 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
3970 {
3971 desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
3972 desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
3973 }
3974
3975 static void rtl8169_free_rx_skb(struct rtl8169_private *tp,
3976 struct sk_buff **sk_buff, struct RxDesc *desc)
3977 {
3978 struct pci_dev *pdev = tp->pci_dev;
3979
3980 dma_unmap_single(&pdev->dev, le64_to_cpu(desc->addr), tp->rx_buf_sz,
3981 PCI_DMA_FROMDEVICE);
3982 dev_kfree_skb(*sk_buff);
3983 *sk_buff = NULL;
3984 rtl8169_make_unusable_by_asic(desc);
3985 }
3986
3987 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
3988 {
3989 u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
3990
3991 desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
3992 }
3993
3994 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
3995 u32 rx_buf_sz)
3996 {
3997 desc->addr = cpu_to_le64(mapping);
3998 wmb();
3999 rtl8169_mark_to_asic(desc, rx_buf_sz);
4000 }
4001
4002 static struct sk_buff *rtl8169_alloc_rx_skb(struct pci_dev *pdev,
4003 struct net_device *dev,
4004 struct RxDesc *desc, int rx_buf_sz,
4005 unsigned int align, gfp_t gfp)
4006 {
4007 struct sk_buff *skb;
4008 dma_addr_t mapping;
4009 unsigned int pad;
4010
4011 pad = align ? align : NET_IP_ALIGN;
4012
4013 skb = __netdev_alloc_skb(dev, rx_buf_sz + pad, gfp);
4014 if (!skb)
4015 goto err_out;
4016
4017 skb_reserve(skb, align ? ((pad - 1) & (unsigned long)skb->data) : pad);
4018
4019 mapping = dma_map_single(&pdev->dev, skb->data, rx_buf_sz,
4020 PCI_DMA_FROMDEVICE);
4021
4022 rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
4023 out:
4024 return skb;
4025
4026 err_out:
4027 rtl8169_make_unusable_by_asic(desc);
4028 goto out;
4029 }
4030
4031 static void rtl8169_rx_clear(struct rtl8169_private *tp)
4032 {
4033 unsigned int i;
4034
4035 for (i = 0; i < NUM_RX_DESC; i++) {
4036 if (tp->Rx_skbuff[i]) {
4037 rtl8169_free_rx_skb(tp, tp->Rx_skbuff + i,
4038 tp->RxDescArray + i);
4039 }
4040 }
4041 }
4042
4043 static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev,
4044 u32 start, u32 end, gfp_t gfp)
4045 {
4046 u32 cur;
4047
4048 for (cur = start; end - cur != 0; cur++) {
4049 struct sk_buff *skb;
4050 unsigned int i = cur % NUM_RX_DESC;
4051
4052 WARN_ON((s32)(end - cur) < 0);
4053
4054 if (tp->Rx_skbuff[i])
4055 continue;
4056
4057 skb = rtl8169_alloc_rx_skb(tp->pci_dev, dev,
4058 tp->RxDescArray + i,
4059 tp->rx_buf_sz, tp->align, gfp);
4060 if (!skb)
4061 break;
4062
4063 tp->Rx_skbuff[i] = skb;
4064 }
4065 return cur - start;
4066 }
4067
4068 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
4069 {
4070 desc->opts1 |= cpu_to_le32(RingEnd);
4071 }
4072
4073 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
4074 {
4075 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
4076 }
4077
4078 static int rtl8169_init_ring(struct net_device *dev)
4079 {
4080 struct rtl8169_private *tp = netdev_priv(dev);
4081
4082 rtl8169_init_ring_indexes(tp);
4083
4084 memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
4085 memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *));
4086
4087 if (rtl8169_rx_fill(tp, dev, 0, NUM_RX_DESC, GFP_KERNEL) != NUM_RX_DESC)
4088 goto err_out;
4089
4090 rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
4091
4092 return 0;
4093
4094 err_out:
4095 rtl8169_rx_clear(tp);
4096 return -ENOMEM;
4097 }
4098
4099 static void rtl8169_unmap_tx_skb(struct pci_dev *pdev, struct ring_info *tx_skb,
4100 struct TxDesc *desc)
4101 {
4102 unsigned int len = tx_skb->len;
4103
4104 dma_unmap_single(&pdev->dev, le64_to_cpu(desc->addr), len,
4105 PCI_DMA_TODEVICE);
4106 desc->opts1 = 0x00;
4107 desc->opts2 = 0x00;
4108 desc->addr = 0x00;
4109 tx_skb->len = 0;
4110 }
4111
4112 static void rtl8169_tx_clear(struct rtl8169_private *tp)
4113 {
4114 unsigned int i;
4115
4116 for (i = tp->dirty_tx; i < tp->dirty_tx + NUM_TX_DESC; i++) {
4117 unsigned int entry = i % NUM_TX_DESC;
4118 struct ring_info *tx_skb = tp->tx_skb + entry;
4119 unsigned int len = tx_skb->len;
4120
4121 if (len) {
4122 struct sk_buff *skb = tx_skb->skb;
4123
4124 rtl8169_unmap_tx_skb(tp->pci_dev, tx_skb,
4125 tp->TxDescArray + entry);
4126 if (skb) {
4127 dev_kfree_skb(skb);
4128 tx_skb->skb = NULL;
4129 }
4130 tp->dev->stats.tx_dropped++;
4131 }
4132 }
4133 tp->cur_tx = tp->dirty_tx = 0;
4134 }
4135
4136 static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
4137 {
4138 struct rtl8169_private *tp = netdev_priv(dev);
4139
4140 PREPARE_DELAYED_WORK(&tp->task, task);
4141 schedule_delayed_work(&tp->task, 4);
4142 }
4143
4144 static void rtl8169_wait_for_quiescence(struct net_device *dev)
4145 {
4146 struct rtl8169_private *tp = netdev_priv(dev);
4147 void __iomem *ioaddr = tp->mmio_addr;
4148
4149 synchronize_irq(dev->irq);
4150
4151 /* Wait for any pending NAPI task to complete */
4152 napi_disable(&tp->napi);
4153
4154 rtl8169_irq_mask_and_ack(ioaddr);
4155
4156 tp->intr_mask = 0xffff;
4157 RTL_W16(IntrMask, tp->intr_event);
4158 napi_enable(&tp->napi);
4159 }
4160
4161 static void rtl8169_reinit_task(struct work_struct *work)
4162 {
4163 struct rtl8169_private *tp =
4164 container_of(work, struct rtl8169_private, task.work);
4165 struct net_device *dev = tp->dev;
4166 int ret;
4167
4168 rtnl_lock();
4169
4170 if (!netif_running(dev))
4171 goto out_unlock;
4172
4173 rtl8169_wait_for_quiescence(dev);
4174 rtl8169_close(dev);
4175
4176 ret = rtl8169_open(dev);
4177 if (unlikely(ret < 0)) {
4178 if (net_ratelimit())
4179 netif_err(tp, drv, dev,
4180 "reinit failure (status = %d). Rescheduling\n",
4181 ret);
4182 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4183 }
4184
4185 out_unlock:
4186 rtnl_unlock();
4187 }
4188
4189 static void rtl8169_reset_task(struct work_struct *work)
4190 {
4191 struct rtl8169_private *tp =
4192 container_of(work, struct rtl8169_private, task.work);
4193 struct net_device *dev = tp->dev;
4194
4195 rtnl_lock();
4196
4197 if (!netif_running(dev))
4198 goto out_unlock;
4199
4200 rtl8169_wait_for_quiescence(dev);
4201
4202 rtl8169_rx_interrupt(dev, tp, tp->mmio_addr, ~(u32)0);
4203 rtl8169_tx_clear(tp);
4204
4205 if (tp->dirty_rx == tp->cur_rx) {
4206 rtl8169_init_ring_indexes(tp);
4207 rtl_hw_start(dev);
4208 netif_wake_queue(dev);
4209 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
4210 } else {
4211 if (net_ratelimit())
4212 netif_emerg(tp, intr, dev, "Rx buffers shortage\n");
4213 rtl8169_schedule_work(dev, rtl8169_reset_task);
4214 }
4215
4216 out_unlock:
4217 rtnl_unlock();
4218 }
4219
4220 static void rtl8169_tx_timeout(struct net_device *dev)
4221 {
4222 struct rtl8169_private *tp = netdev_priv(dev);
4223
4224 rtl8169_hw_reset(tp->mmio_addr);
4225
4226 /* Let's wait a bit while any (async) irq lands on */
4227 rtl8169_schedule_work(dev, rtl8169_reset_task);
4228 }
4229
4230 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
4231 u32 opts1)
4232 {
4233 struct skb_shared_info *info = skb_shinfo(skb);
4234 unsigned int cur_frag, entry;
4235 struct TxDesc * uninitialized_var(txd);
4236
4237 entry = tp->cur_tx;
4238 for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
4239 skb_frag_t *frag = info->frags + cur_frag;
4240 dma_addr_t mapping;
4241 u32 status, len;
4242 void *addr;
4243
4244 entry = (entry + 1) % NUM_TX_DESC;
4245
4246 txd = tp->TxDescArray + entry;
4247 len = frag->size;
4248 addr = ((void *) page_address(frag->page)) + frag->page_offset;
4249 mapping = dma_map_single(&tp->pci_dev->dev, addr, len,
4250 PCI_DMA_TODEVICE);
4251
4252 /* anti gcc 2.95.3 bugware (sic) */
4253 status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
4254
4255 txd->opts1 = cpu_to_le32(status);
4256 txd->addr = cpu_to_le64(mapping);
4257
4258 tp->tx_skb[entry].len = len;
4259 }
4260
4261 if (cur_frag) {
4262 tp->tx_skb[entry].skb = skb;
4263 txd->opts1 |= cpu_to_le32(LastFrag);
4264 }
4265
4266 return cur_frag;
4267 }
4268
4269 static inline u32 rtl8169_tso_csum(struct sk_buff *skb, struct net_device *dev)
4270 {
4271 if (dev->features & NETIF_F_TSO) {
4272 u32 mss = skb_shinfo(skb)->gso_size;
4273
4274 if (mss)
4275 return LargeSend | ((mss & MSSMask) << MSSShift);
4276 }
4277 if (skb->ip_summed == CHECKSUM_PARTIAL) {
4278 const struct iphdr *ip = ip_hdr(skb);
4279
4280 if (ip->protocol == IPPROTO_TCP)
4281 return IPCS | TCPCS;
4282 else if (ip->protocol == IPPROTO_UDP)
4283 return IPCS | UDPCS;
4284 WARN_ON(1); /* we need a WARN() */
4285 }
4286 return 0;
4287 }
4288
4289 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
4290 struct net_device *dev)
4291 {
4292 struct rtl8169_private *tp = netdev_priv(dev);
4293 unsigned int frags, entry = tp->cur_tx % NUM_TX_DESC;
4294 struct TxDesc *txd = tp->TxDescArray + entry;
4295 void __iomem *ioaddr = tp->mmio_addr;
4296 dma_addr_t mapping;
4297 u32 status, len;
4298 u32 opts1;
4299
4300 if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
4301 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
4302 goto err_stop;
4303 }
4304
4305 if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
4306 goto err_stop;
4307
4308 opts1 = DescOwn | rtl8169_tso_csum(skb, dev);
4309
4310 frags = rtl8169_xmit_frags(tp, skb, opts1);
4311 if (frags) {
4312 len = skb_headlen(skb);
4313 opts1 |= FirstFrag;
4314 } else {
4315 len = skb->len;
4316 opts1 |= FirstFrag | LastFrag;
4317 tp->tx_skb[entry].skb = skb;
4318 }
4319
4320 mapping = dma_map_single(&tp->pci_dev->dev, skb->data, len,
4321 PCI_DMA_TODEVICE);
4322
4323 tp->tx_skb[entry].len = len;
4324 txd->addr = cpu_to_le64(mapping);
4325 txd->opts2 = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
4326
4327 wmb();
4328
4329 /* anti gcc 2.95.3 bugware (sic) */
4330 status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
4331 txd->opts1 = cpu_to_le32(status);
4332
4333 tp->cur_tx += frags + 1;
4334
4335 wmb();
4336
4337 RTL_W8(TxPoll, NPQ); /* set polling bit */
4338
4339 if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
4340 netif_stop_queue(dev);
4341 smp_rmb();
4342 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
4343 netif_wake_queue(dev);
4344 }
4345
4346 return NETDEV_TX_OK;
4347
4348 err_stop:
4349 netif_stop_queue(dev);
4350 dev->stats.tx_dropped++;
4351 return NETDEV_TX_BUSY;
4352 }
4353
4354 static void rtl8169_pcierr_interrupt(struct net_device *dev)
4355 {
4356 struct rtl8169_private *tp = netdev_priv(dev);
4357 struct pci_dev *pdev = tp->pci_dev;
4358 void __iomem *ioaddr = tp->mmio_addr;
4359 u16 pci_status, pci_cmd;
4360
4361 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
4362 pci_read_config_word(pdev, PCI_STATUS, &pci_status);
4363
4364 netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
4365 pci_cmd, pci_status);
4366
4367 /*
4368 * The recovery sequence below admits a very elaborated explanation:
4369 * - it seems to work;
4370 * - I did not see what else could be done;
4371 * - it makes iop3xx happy.
4372 *
4373 * Feel free to adjust to your needs.
4374 */
4375 if (pdev->broken_parity_status)
4376 pci_cmd &= ~PCI_COMMAND_PARITY;
4377 else
4378 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
4379
4380 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
4381
4382 pci_write_config_word(pdev, PCI_STATUS,
4383 pci_status & (PCI_STATUS_DETECTED_PARITY |
4384 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
4385 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
4386
4387 /* The infamous DAC f*ckup only happens at boot time */
4388 if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
4389 netif_info(tp, intr, dev, "disabling PCI DAC\n");
4390 tp->cp_cmd &= ~PCIDAC;
4391 RTL_W16(CPlusCmd, tp->cp_cmd);
4392 dev->features &= ~NETIF_F_HIGHDMA;
4393 }
4394
4395 rtl8169_hw_reset(ioaddr);
4396
4397 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4398 }
4399
4400 static void rtl8169_tx_interrupt(struct net_device *dev,
4401 struct rtl8169_private *tp,
4402 void __iomem *ioaddr)
4403 {
4404 unsigned int dirty_tx, tx_left;
4405
4406 dirty_tx = tp->dirty_tx;
4407 smp_rmb();
4408 tx_left = tp->cur_tx - dirty_tx;
4409
4410 while (tx_left > 0) {
4411 unsigned int entry = dirty_tx % NUM_TX_DESC;
4412 struct ring_info *tx_skb = tp->tx_skb + entry;
4413 u32 len = tx_skb->len;
4414 u32 status;
4415
4416 rmb();
4417 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
4418 if (status & DescOwn)
4419 break;
4420
4421 dev->stats.tx_bytes += len;
4422 dev->stats.tx_packets++;
4423
4424 rtl8169_unmap_tx_skb(tp->pci_dev, tx_skb, tp->TxDescArray + entry);
4425
4426 if (status & LastFrag) {
4427 dev_kfree_skb(tx_skb->skb);
4428 tx_skb->skb = NULL;
4429 }
4430 dirty_tx++;
4431 tx_left--;
4432 }
4433
4434 if (tp->dirty_tx != dirty_tx) {
4435 tp->dirty_tx = dirty_tx;
4436 smp_wmb();
4437 if (netif_queue_stopped(dev) &&
4438 (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
4439 netif_wake_queue(dev);
4440 }
4441 /*
4442 * 8168 hack: TxPoll requests are lost when the Tx packets are
4443 * too close. Let's kick an extra TxPoll request when a burst
4444 * of start_xmit activity is detected (if it is not detected,
4445 * it is slow enough). -- FR
4446 */
4447 smp_rmb();
4448 if (tp->cur_tx != dirty_tx)
4449 RTL_W8(TxPoll, NPQ);
4450 }
4451 }
4452
4453 static inline int rtl8169_fragmented_frame(u32 status)
4454 {
4455 return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
4456 }
4457
4458 static inline void rtl8169_rx_csum(struct sk_buff *skb, struct RxDesc *desc)
4459 {
4460 u32 opts1 = le32_to_cpu(desc->opts1);
4461 u32 status = opts1 & RxProtoMask;
4462
4463 if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
4464 ((status == RxProtoUDP) && !(opts1 & UDPFail)) ||
4465 ((status == RxProtoIP) && !(opts1 & IPFail)))
4466 skb->ip_summed = CHECKSUM_UNNECESSARY;
4467 else
4468 skb->ip_summed = CHECKSUM_NONE;
4469 }
4470
4471 static inline bool rtl8169_try_rx_copy(struct sk_buff **sk_buff,
4472 struct rtl8169_private *tp, int pkt_size,
4473 dma_addr_t addr)
4474 {
4475 struct sk_buff *skb;
4476 bool done = false;
4477
4478 if (pkt_size >= rx_copybreak)
4479 goto out;
4480
4481 skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
4482 if (!skb)
4483 goto out;
4484
4485 dma_sync_single_for_cpu(&tp->pci_dev->dev, addr, pkt_size,
4486 PCI_DMA_FROMDEVICE);
4487 skb_copy_from_linear_data(*sk_buff, skb->data, pkt_size);
4488 *sk_buff = skb;
4489 done = true;
4490 out:
4491 return done;
4492 }
4493
4494 /*
4495 * Warning : rtl8169_rx_interrupt() might be called :
4496 * 1) from NAPI (softirq) context
4497 * (polling = 1 : we should call netif_receive_skb())
4498 * 2) from process context (rtl8169_reset_task())
4499 * (polling = 0 : we must call netif_rx() instead)
4500 */
4501 static int rtl8169_rx_interrupt(struct net_device *dev,
4502 struct rtl8169_private *tp,
4503 void __iomem *ioaddr, u32 budget)
4504 {
4505 unsigned int cur_rx, rx_left;
4506 unsigned int delta, count;
4507 int polling = (budget != ~(u32)0) ? 1 : 0;
4508
4509 cur_rx = tp->cur_rx;
4510 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
4511 rx_left = min(rx_left, budget);
4512
4513 for (; rx_left > 0; rx_left--, cur_rx++) {
4514 unsigned int entry = cur_rx % NUM_RX_DESC;
4515 struct RxDesc *desc = tp->RxDescArray + entry;
4516 u32 status;
4517
4518 rmb();
4519 status = le32_to_cpu(desc->opts1);
4520
4521 if (status & DescOwn)
4522 break;
4523 if (unlikely(status & RxRES)) {
4524 netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
4525 status);
4526 dev->stats.rx_errors++;
4527 if (status & (RxRWT | RxRUNT))
4528 dev->stats.rx_length_errors++;
4529 if (status & RxCRC)
4530 dev->stats.rx_crc_errors++;
4531 if (status & RxFOVF) {
4532 rtl8169_schedule_work(dev, rtl8169_reset_task);
4533 dev->stats.rx_fifo_errors++;
4534 }
4535 rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
4536 } else {
4537 struct sk_buff *skb = tp->Rx_skbuff[entry];
4538 dma_addr_t addr = le64_to_cpu(desc->addr);
4539 int pkt_size = (status & 0x00001FFF) - 4;
4540 struct pci_dev *pdev = tp->pci_dev;
4541
4542 /*
4543 * The driver does not support incoming fragmented
4544 * frames. They are seen as a symptom of over-mtu
4545 * sized frames.
4546 */
4547 if (unlikely(rtl8169_fragmented_frame(status))) {
4548 dev->stats.rx_dropped++;
4549 dev->stats.rx_length_errors++;
4550 rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
4551 continue;
4552 }
4553
4554 rtl8169_rx_csum(skb, desc);
4555
4556 if (rtl8169_try_rx_copy(&skb, tp, pkt_size, addr)) {
4557 dma_sync_single_for_device(&pdev->dev, addr,
4558 pkt_size, PCI_DMA_FROMDEVICE);
4559 rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
4560 } else {
4561 dma_unmap_single(&pdev->dev, addr, tp->rx_buf_sz,
4562 PCI_DMA_FROMDEVICE);
4563 tp->Rx_skbuff[entry] = NULL;
4564 }
4565
4566 skb_put(skb, pkt_size);
4567 skb->protocol = eth_type_trans(skb, dev);
4568
4569 if (rtl8169_rx_vlan_skb(tp, desc, skb, polling) < 0) {
4570 if (likely(polling))
4571 netif_receive_skb(skb);
4572 else
4573 netif_rx(skb);
4574 }
4575
4576 dev->stats.rx_bytes += pkt_size;
4577 dev->stats.rx_packets++;
4578 }
4579
4580 /* Work around for AMD plateform. */
4581 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
4582 (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
4583 desc->opts2 = 0;
4584 cur_rx++;
4585 }
4586 }
4587
4588 count = cur_rx - tp->cur_rx;
4589 tp->cur_rx = cur_rx;
4590
4591 delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx, GFP_ATOMIC);
4592 if (!delta && count)
4593 netif_info(tp, intr, dev, "no Rx buffer allocated\n");
4594 tp->dirty_rx += delta;
4595
4596 /*
4597 * FIXME: until there is periodic timer to try and refill the ring,
4598 * a temporary shortage may definitely kill the Rx process.
4599 * - disable the asic to try and avoid an overflow and kick it again
4600 * after refill ?
4601 * - how do others driver handle this condition (Uh oh...).
4602 */
4603 if (tp->dirty_rx + NUM_RX_DESC == tp->cur_rx)
4604 netif_emerg(tp, intr, dev, "Rx buffers exhausted\n");
4605
4606 return count;
4607 }
4608
4609 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
4610 {
4611 struct net_device *dev = dev_instance;
4612 struct rtl8169_private *tp = netdev_priv(dev);
4613 void __iomem *ioaddr = tp->mmio_addr;
4614 int handled = 0;
4615 int status;
4616
4617 /* loop handling interrupts until we have no new ones or
4618 * we hit a invalid/hotplug case.
4619 */
4620 status = RTL_R16(IntrStatus);
4621 while (status && status != 0xffff) {
4622 handled = 1;
4623
4624 /* Handle all of the error cases first. These will reset
4625 * the chip, so just exit the loop.
4626 */
4627 if (unlikely(!netif_running(dev))) {
4628 rtl8169_asic_down(ioaddr);
4629 break;
4630 }
4631
4632 /* Work around for rx fifo overflow */
4633 if (unlikely(status & RxFIFOOver)) {
4634 netif_stop_queue(dev);
4635 rtl8169_tx_timeout(dev);
4636 break;
4637 }
4638
4639 if (unlikely(status & SYSErr)) {
4640 rtl8169_pcierr_interrupt(dev);
4641 break;
4642 }
4643
4644 if (status & LinkChg)
4645 rtl8169_check_link_status(dev, tp, ioaddr);
4646
4647 /* We need to see the lastest version of tp->intr_mask to
4648 * avoid ignoring an MSI interrupt and having to wait for
4649 * another event which may never come.
4650 */
4651 smp_rmb();
4652 if (status & tp->intr_mask & tp->napi_event) {
4653 RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
4654 tp->intr_mask = ~tp->napi_event;
4655
4656 if (likely(napi_schedule_prep(&tp->napi)))
4657 __napi_schedule(&tp->napi);
4658 else
4659 netif_info(tp, intr, dev,
4660 "interrupt %04x in poll\n", status);
4661 }
4662
4663 /* We only get a new MSI interrupt when all active irq
4664 * sources on the chip have been acknowledged. So, ack
4665 * everything we've seen and check if new sources have become
4666 * active to avoid blocking all interrupts from the chip.
4667 */
4668 RTL_W16(IntrStatus,
4669 (status & RxFIFOOver) ? (status | RxOverflow) : status);
4670 status = RTL_R16(IntrStatus);
4671 }
4672
4673 return IRQ_RETVAL(handled);
4674 }
4675
4676 static int rtl8169_poll(struct napi_struct *napi, int budget)
4677 {
4678 struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
4679 struct net_device *dev = tp->dev;
4680 void __iomem *ioaddr = tp->mmio_addr;
4681 int work_done;
4682
4683 work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
4684 rtl8169_tx_interrupt(dev, tp, ioaddr);
4685
4686 if (work_done < budget) {
4687 napi_complete(napi);
4688
4689 /* We need for force the visibility of tp->intr_mask
4690 * for other CPUs, as we can loose an MSI interrupt
4691 * and potentially wait for a retransmit timeout if we don't.
4692 * The posted write to IntrMask is safe, as it will
4693 * eventually make it to the chip and we won't loose anything
4694 * until it does.
4695 */
4696 tp->intr_mask = 0xffff;
4697 wmb();
4698 RTL_W16(IntrMask, tp->intr_event);
4699 }
4700
4701 return work_done;
4702 }
4703
4704 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
4705 {
4706 struct rtl8169_private *tp = netdev_priv(dev);
4707
4708 if (tp->mac_version > RTL_GIGA_MAC_VER_06)
4709 return;
4710
4711 dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
4712 RTL_W32(RxMissed, 0);
4713 }
4714
4715 static void rtl8169_down(struct net_device *dev)
4716 {
4717 struct rtl8169_private *tp = netdev_priv(dev);
4718 void __iomem *ioaddr = tp->mmio_addr;
4719 unsigned int intrmask;
4720
4721 rtl8169_delete_timer(dev);
4722
4723 netif_stop_queue(dev);
4724
4725 napi_disable(&tp->napi);
4726
4727 core_down:
4728 spin_lock_irq(&tp->lock);
4729
4730 rtl8169_asic_down(ioaddr);
4731
4732 rtl8169_rx_missed(dev, ioaddr);
4733
4734 spin_unlock_irq(&tp->lock);
4735
4736 synchronize_irq(dev->irq);
4737
4738 /* Give a racing hard_start_xmit a few cycles to complete. */
4739 synchronize_sched(); /* FIXME: should this be synchronize_irq()? */
4740
4741 /*
4742 * And now for the 50k$ question: are IRQ disabled or not ?
4743 *
4744 * Two paths lead here:
4745 * 1) dev->close
4746 * -> netif_running() is available to sync the current code and the
4747 * IRQ handler. See rtl8169_interrupt for details.
4748 * 2) dev->change_mtu
4749 * -> rtl8169_poll can not be issued again and re-enable the
4750 * interruptions. Let's simply issue the IRQ down sequence again.
4751 *
4752 * No loop if hotpluged or major error (0xffff).
4753 */
4754 intrmask = RTL_R16(IntrMask);
4755 if (intrmask && (intrmask != 0xffff))
4756 goto core_down;
4757
4758 rtl8169_tx_clear(tp);
4759
4760 rtl8169_rx_clear(tp);
4761 }
4762
4763 static int rtl8169_close(struct net_device *dev)
4764 {
4765 struct rtl8169_private *tp = netdev_priv(dev);
4766 struct pci_dev *pdev = tp->pci_dev;
4767
4768 pm_runtime_get_sync(&pdev->dev);
4769
4770 /* update counters before going down */
4771 rtl8169_update_counters(dev);
4772
4773 rtl8169_down(dev);
4774
4775 free_irq(dev->irq, dev);
4776
4777 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
4778 tp->RxPhyAddr);
4779 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
4780 tp->TxPhyAddr);
4781 tp->TxDescArray = NULL;
4782 tp->RxDescArray = NULL;
4783
4784 pm_runtime_put_sync(&pdev->dev);
4785
4786 return 0;
4787 }
4788
4789 static void rtl_set_rx_mode(struct net_device *dev)
4790 {
4791 struct rtl8169_private *tp = netdev_priv(dev);
4792 void __iomem *ioaddr = tp->mmio_addr;
4793 unsigned long flags;
4794 u32 mc_filter[2]; /* Multicast hash filter */
4795 int rx_mode;
4796 u32 tmp = 0;
4797
4798 if (dev->flags & IFF_PROMISC) {
4799 /* Unconditionally log net taps. */
4800 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
4801 rx_mode =
4802 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
4803 AcceptAllPhys;
4804 mc_filter[1] = mc_filter[0] = 0xffffffff;
4805 } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
4806 (dev->flags & IFF_ALLMULTI)) {
4807 /* Too many to filter perfectly -- accept all multicasts. */
4808 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
4809 mc_filter[1] = mc_filter[0] = 0xffffffff;
4810 } else {
4811 struct netdev_hw_addr *ha;
4812
4813 rx_mode = AcceptBroadcast | AcceptMyPhys;
4814 mc_filter[1] = mc_filter[0] = 0;
4815 netdev_for_each_mc_addr(ha, dev) {
4816 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
4817 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
4818 rx_mode |= AcceptMulticast;
4819 }
4820 }
4821
4822 spin_lock_irqsave(&tp->lock, flags);
4823
4824 tmp = rtl8169_rx_config | rx_mode |
4825 (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask);
4826
4827 if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
4828 u32 data = mc_filter[0];
4829
4830 mc_filter[0] = swab32(mc_filter[1]);
4831 mc_filter[1] = swab32(data);
4832 }
4833
4834 RTL_W32(MAR0 + 4, mc_filter[1]);
4835 RTL_W32(MAR0 + 0, mc_filter[0]);
4836
4837 RTL_W32(RxConfig, tmp);
4838
4839 spin_unlock_irqrestore(&tp->lock, flags);
4840 }
4841
4842 /**
4843 * rtl8169_get_stats - Get rtl8169 read/write statistics
4844 * @dev: The Ethernet Device to get statistics for
4845 *
4846 * Get TX/RX statistics for rtl8169
4847 */
4848 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
4849 {
4850 struct rtl8169_private *tp = netdev_priv(dev);
4851 void __iomem *ioaddr = tp->mmio_addr;
4852 unsigned long flags;
4853
4854 if (netif_running(dev)) {
4855 spin_lock_irqsave(&tp->lock, flags);
4856 rtl8169_rx_missed(dev, ioaddr);
4857 spin_unlock_irqrestore(&tp->lock, flags);
4858 }
4859
4860 return &dev->stats;
4861 }
4862
4863 static void rtl8169_net_suspend(struct net_device *dev)
4864 {
4865 if (!netif_running(dev))
4866 return;
4867
4868 netif_device_detach(dev);
4869 netif_stop_queue(dev);
4870 }
4871
4872 #ifdef CONFIG_PM
4873
4874 static int rtl8169_suspend(struct device *device)
4875 {
4876 struct pci_dev *pdev = to_pci_dev(device);
4877 struct net_device *dev = pci_get_drvdata(pdev);
4878
4879 rtl8169_net_suspend(dev);
4880
4881 return 0;
4882 }
4883
4884 static void __rtl8169_resume(struct net_device *dev)
4885 {
4886 netif_device_attach(dev);
4887 rtl8169_schedule_work(dev, rtl8169_reset_task);
4888 }
4889
4890 static int rtl8169_resume(struct device *device)
4891 {
4892 struct pci_dev *pdev = to_pci_dev(device);
4893 struct net_device *dev = pci_get_drvdata(pdev);
4894
4895 if (netif_running(dev))
4896 __rtl8169_resume(dev);
4897
4898 return 0;
4899 }
4900
4901 static int rtl8169_runtime_suspend(struct device *device)
4902 {
4903 struct pci_dev *pdev = to_pci_dev(device);
4904 struct net_device *dev = pci_get_drvdata(pdev);
4905 struct rtl8169_private *tp = netdev_priv(dev);
4906
4907 if (!tp->TxDescArray)
4908 return 0;
4909
4910 spin_lock_irq(&tp->lock);
4911 tp->saved_wolopts = __rtl8169_get_wol(tp);
4912 __rtl8169_set_wol(tp, WAKE_ANY);
4913 spin_unlock_irq(&tp->lock);
4914
4915 rtl8169_net_suspend(dev);
4916
4917 return 0;
4918 }
4919
4920 static int rtl8169_runtime_resume(struct device *device)
4921 {
4922 struct pci_dev *pdev = to_pci_dev(device);
4923 struct net_device *dev = pci_get_drvdata(pdev);
4924 struct rtl8169_private *tp = netdev_priv(dev);
4925
4926 if (!tp->TxDescArray)
4927 return 0;
4928
4929 spin_lock_irq(&tp->lock);
4930 __rtl8169_set_wol(tp, tp->saved_wolopts);
4931 tp->saved_wolopts = 0;
4932 spin_unlock_irq(&tp->lock);
4933
4934 __rtl8169_resume(dev);
4935
4936 return 0;
4937 }
4938
4939 static int rtl8169_runtime_idle(struct device *device)
4940 {
4941 struct pci_dev *pdev = to_pci_dev(device);
4942 struct net_device *dev = pci_get_drvdata(pdev);
4943 struct rtl8169_private *tp = netdev_priv(dev);
4944
4945 if (!tp->TxDescArray)
4946 return 0;
4947
4948 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
4949 return -EBUSY;
4950 }
4951
4952 static const struct dev_pm_ops rtl8169_pm_ops = {
4953 .suspend = rtl8169_suspend,
4954 .resume = rtl8169_resume,
4955 .freeze = rtl8169_suspend,
4956 .thaw = rtl8169_resume,
4957 .poweroff = rtl8169_suspend,
4958 .restore = rtl8169_resume,
4959 .runtime_suspend = rtl8169_runtime_suspend,
4960 .runtime_resume = rtl8169_runtime_resume,
4961 .runtime_idle = rtl8169_runtime_idle,
4962 };
4963
4964 #define RTL8169_PM_OPS (&rtl8169_pm_ops)
4965
4966 #else /* !CONFIG_PM */
4967
4968 #define RTL8169_PM_OPS NULL
4969
4970 #endif /* !CONFIG_PM */
4971
4972 static void rtl_shutdown(struct pci_dev *pdev)
4973 {
4974 struct net_device *dev = pci_get_drvdata(pdev);
4975 struct rtl8169_private *tp = netdev_priv(dev);
4976 void __iomem *ioaddr = tp->mmio_addr;
4977
4978 rtl8169_net_suspend(dev);
4979
4980 /* restore original MAC address */
4981 rtl_rar_set(tp, dev->perm_addr);
4982
4983 spin_lock_irq(&tp->lock);
4984
4985 rtl8169_asic_down(ioaddr);
4986
4987 spin_unlock_irq(&tp->lock);
4988
4989 if (system_state == SYSTEM_POWER_OFF) {
4990 /* WoL fails with some 8168 when the receiver is disabled. */
4991 if (tp->features & RTL_FEATURE_WOL) {
4992 pci_clear_master(pdev);
4993
4994 RTL_W8(ChipCmd, CmdRxEnb);
4995 /* PCI commit */
4996 RTL_R8(ChipCmd);
4997 }
4998
4999 pci_wake_from_d3(pdev, true);
5000 pci_set_power_state(pdev, PCI_D3hot);
5001 }
5002 }
5003
5004 static struct pci_driver rtl8169_pci_driver = {
5005 .name = MODULENAME,
5006 .id_table = rtl8169_pci_tbl,
5007 .probe = rtl8169_init_one,
5008 .remove = __devexit_p(rtl8169_remove_one),
5009 .shutdown = rtl_shutdown,
5010 .driver.pm = RTL8169_PM_OPS,
5011 };
5012
5013 static int __init rtl8169_init_module(void)
5014 {
5015 return pci_register_driver(&rtl8169_pci_driver);
5016 }
5017
5018 static void __exit rtl8169_cleanup_module(void)
5019 {
5020 pci_unregister_driver(&rtl8169_pci_driver);
5021 }
5022
5023 module_init(rtl8169_init_module);
5024 module_exit(rtl8169_cleanup_module);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree