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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
[deliverable/linux.git] / drivers / net / r8169.c
1 /*
2 * r8169.c: RealTek 8169/8168/8101 ethernet driver.
3 *
4 * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
5 * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
6 * Copyright (c) a lot of people too. Please respect their work.
7 *
8 * See MAINTAINERS file for support contact information.
9 */
10
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/pci.h>
14 #include <linux/netdevice.h>
15 #include <linux/etherdevice.h>
16 #include <linux/delay.h>
17 #include <linux/ethtool.h>
18 #include <linux/mii.h>
19 #include <linux/if_vlan.h>
20 #include <linux/crc32.h>
21 #include <linux/in.h>
22 #include <linux/ip.h>
23 #include <linux/tcp.h>
24 #include <linux/init.h>
25 #include <linux/dma-mapping.h>
26
27 #include <asm/system.h>
28 #include <asm/io.h>
29 #include <asm/irq.h>
30
31 #define RTL8169_VERSION "2.3LK-NAPI"
32 #define MODULENAME "r8169"
33 #define PFX MODULENAME ": "
34
35 #ifdef RTL8169_DEBUG
36 #define assert(expr) \
37 if (!(expr)) { \
38 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
39 #expr,__FILE__,__func__,__LINE__); \
40 }
41 #define dprintk(fmt, args...) \
42 do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
43 #else
44 #define assert(expr) do {} while (0)
45 #define dprintk(fmt, args...) do {} while (0)
46 #endif /* RTL8169_DEBUG */
47
48 #define R8169_MSG_DEFAULT \
49 (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
50
51 #define TX_BUFFS_AVAIL(tp) \
52 (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
53
54 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
55 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
56 static const int multicast_filter_limit = 32;
57
58 /* MAC address length */
59 #define MAC_ADDR_LEN 6
60
61 #define MAX_READ_REQUEST_SHIFT 12
62 #define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */
63 #define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
64 #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
65 #define EarlyTxThld 0x3F /* 0x3F means NO early transmit */
66 #define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */
67 #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
68
69 #define R8169_REGS_SIZE 256
70 #define R8169_NAPI_WEIGHT 64
71 #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */
72 #define NUM_RX_DESC 256 /* Number of Rx descriptor registers */
73 #define RX_BUF_SIZE 1536 /* Rx Buffer size */
74 #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
75 #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
76
77 #define RTL8169_TX_TIMEOUT (6*HZ)
78 #define RTL8169_PHY_TIMEOUT (10*HZ)
79
80 #define RTL_EEPROM_SIG cpu_to_le32(0x8129)
81 #define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff)
82 #define RTL_EEPROM_SIG_ADDR 0x0000
83
84 /* write/read MMIO register */
85 #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
86 #define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
87 #define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
88 #define RTL_R8(reg) readb (ioaddr + (reg))
89 #define RTL_R16(reg) readw (ioaddr + (reg))
90 #define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg)))
91
92 enum mac_version {
93 RTL_GIGA_MAC_NONE = 0x00,
94 RTL_GIGA_MAC_VER_01 = 0x01, // 8169
95 RTL_GIGA_MAC_VER_02 = 0x02, // 8169S
96 RTL_GIGA_MAC_VER_03 = 0x03, // 8110S
97 RTL_GIGA_MAC_VER_04 = 0x04, // 8169SB
98 RTL_GIGA_MAC_VER_05 = 0x05, // 8110SCd
99 RTL_GIGA_MAC_VER_06 = 0x06, // 8110SCe
100 RTL_GIGA_MAC_VER_07 = 0x07, // 8102e
101 RTL_GIGA_MAC_VER_08 = 0x08, // 8102e
102 RTL_GIGA_MAC_VER_09 = 0x09, // 8102e
103 RTL_GIGA_MAC_VER_10 = 0x0a, // 8101e
104 RTL_GIGA_MAC_VER_11 = 0x0b, // 8168Bb
105 RTL_GIGA_MAC_VER_12 = 0x0c, // 8168Be
106 RTL_GIGA_MAC_VER_13 = 0x0d, // 8101Eb
107 RTL_GIGA_MAC_VER_14 = 0x0e, // 8101 ?
108 RTL_GIGA_MAC_VER_15 = 0x0f, // 8101 ?
109 RTL_GIGA_MAC_VER_16 = 0x11, // 8101Ec
110 RTL_GIGA_MAC_VER_17 = 0x10, // 8168Bf
111 RTL_GIGA_MAC_VER_18 = 0x12, // 8168CP
112 RTL_GIGA_MAC_VER_19 = 0x13, // 8168C
113 RTL_GIGA_MAC_VER_20 = 0x14, // 8168C
114 RTL_GIGA_MAC_VER_21 = 0x15, // 8168C
115 RTL_GIGA_MAC_VER_22 = 0x16, // 8168C
116 RTL_GIGA_MAC_VER_23 = 0x17, // 8168CP
117 RTL_GIGA_MAC_VER_24 = 0x18, // 8168CP
118 RTL_GIGA_MAC_VER_25 = 0x19, // 8168D
119 RTL_GIGA_MAC_VER_26 = 0x1a, // 8168D
120 RTL_GIGA_MAC_VER_27 = 0x1b // 8168DP
121 };
122
123 #define _R(NAME,MAC,MASK) \
124 { .name = NAME, .mac_version = MAC, .RxConfigMask = MASK }
125
126 static const struct {
127 const char *name;
128 u8 mac_version;
129 u32 RxConfigMask; /* Clears the bits supported by this chip */
130 } rtl_chip_info[] = {
131 _R("RTL8169", RTL_GIGA_MAC_VER_01, 0xff7e1880), // 8169
132 _R("RTL8169s", RTL_GIGA_MAC_VER_02, 0xff7e1880), // 8169S
133 _R("RTL8110s", RTL_GIGA_MAC_VER_03, 0xff7e1880), // 8110S
134 _R("RTL8169sb/8110sb", RTL_GIGA_MAC_VER_04, 0xff7e1880), // 8169SB
135 _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_05, 0xff7e1880), // 8110SCd
136 _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_06, 0xff7e1880), // 8110SCe
137 _R("RTL8102e", RTL_GIGA_MAC_VER_07, 0xff7e1880), // PCI-E
138 _R("RTL8102e", RTL_GIGA_MAC_VER_08, 0xff7e1880), // PCI-E
139 _R("RTL8102e", RTL_GIGA_MAC_VER_09, 0xff7e1880), // PCI-E
140 _R("RTL8101e", RTL_GIGA_MAC_VER_10, 0xff7e1880), // PCI-E
141 _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_11, 0xff7e1880), // PCI-E
142 _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_12, 0xff7e1880), // PCI-E
143 _R("RTL8101e", RTL_GIGA_MAC_VER_13, 0xff7e1880), // PCI-E 8139
144 _R("RTL8100e", RTL_GIGA_MAC_VER_14, 0xff7e1880), // PCI-E 8139
145 _R("RTL8100e", RTL_GIGA_MAC_VER_15, 0xff7e1880), // PCI-E 8139
146 _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_17, 0xff7e1880), // PCI-E
147 _R("RTL8101e", RTL_GIGA_MAC_VER_16, 0xff7e1880), // PCI-E
148 _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_18, 0xff7e1880), // PCI-E
149 _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_19, 0xff7e1880), // PCI-E
150 _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_20, 0xff7e1880), // PCI-E
151 _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_21, 0xff7e1880), // PCI-E
152 _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_22, 0xff7e1880), // PCI-E
153 _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_23, 0xff7e1880), // PCI-E
154 _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_24, 0xff7e1880), // PCI-E
155 _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_25, 0xff7e1880), // PCI-E
156 _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_26, 0xff7e1880), // PCI-E
157 _R("RTL8168dp/8111dp", RTL_GIGA_MAC_VER_27, 0xff7e1880) // PCI-E
158 };
159 #undef _R
160
161 enum cfg_version {
162 RTL_CFG_0 = 0x00,
163 RTL_CFG_1,
164 RTL_CFG_2
165 };
166
167 static void rtl_hw_start_8169(struct net_device *);
168 static void rtl_hw_start_8168(struct net_device *);
169 static void rtl_hw_start_8101(struct net_device *);
170
171 static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
172 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
173 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
174 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
175 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
176 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
177 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 },
178 { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 },
179 { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 },
180 { PCI_VENDOR_ID_LINKSYS, 0x1032,
181 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
182 { 0x0001, 0x8168,
183 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
184 {0,},
185 };
186
187 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
188
189 /*
190 * we set our copybreak very high so that we don't have
191 * to allocate 16k frames all the time (see note in
192 * rtl8169_open()
193 */
194 static int rx_copybreak = 16383;
195 static int use_dac;
196 static struct {
197 u32 msg_enable;
198 } debug = { -1 };
199
200 enum rtl_registers {
201 MAC0 = 0, /* Ethernet hardware address. */
202 MAC4 = 4,
203 MAR0 = 8, /* Multicast filter. */
204 CounterAddrLow = 0x10,
205 CounterAddrHigh = 0x14,
206 TxDescStartAddrLow = 0x20,
207 TxDescStartAddrHigh = 0x24,
208 TxHDescStartAddrLow = 0x28,
209 TxHDescStartAddrHigh = 0x2c,
210 FLASH = 0x30,
211 ERSR = 0x36,
212 ChipCmd = 0x37,
213 TxPoll = 0x38,
214 IntrMask = 0x3c,
215 IntrStatus = 0x3e,
216 TxConfig = 0x40,
217 RxConfig = 0x44,
218 RxMissed = 0x4c,
219 Cfg9346 = 0x50,
220 Config0 = 0x51,
221 Config1 = 0x52,
222 Config2 = 0x53,
223 Config3 = 0x54,
224 Config4 = 0x55,
225 Config5 = 0x56,
226 MultiIntr = 0x5c,
227 PHYAR = 0x60,
228 PHYstatus = 0x6c,
229 RxMaxSize = 0xda,
230 CPlusCmd = 0xe0,
231 IntrMitigate = 0xe2,
232 RxDescAddrLow = 0xe4,
233 RxDescAddrHigh = 0xe8,
234 EarlyTxThres = 0xec,
235 FuncEvent = 0xf0,
236 FuncEventMask = 0xf4,
237 FuncPresetState = 0xf8,
238 FuncForceEvent = 0xfc,
239 };
240
241 enum rtl8110_registers {
242 TBICSR = 0x64,
243 TBI_ANAR = 0x68,
244 TBI_LPAR = 0x6a,
245 };
246
247 enum rtl8168_8101_registers {
248 CSIDR = 0x64,
249 CSIAR = 0x68,
250 #define CSIAR_FLAG 0x80000000
251 #define CSIAR_WRITE_CMD 0x80000000
252 #define CSIAR_BYTE_ENABLE 0x0f
253 #define CSIAR_BYTE_ENABLE_SHIFT 12
254 #define CSIAR_ADDR_MASK 0x0fff
255
256 EPHYAR = 0x80,
257 #define EPHYAR_FLAG 0x80000000
258 #define EPHYAR_WRITE_CMD 0x80000000
259 #define EPHYAR_REG_MASK 0x1f
260 #define EPHYAR_REG_SHIFT 16
261 #define EPHYAR_DATA_MASK 0xffff
262 DBG_REG = 0xd1,
263 #define FIX_NAK_1 (1 << 4)
264 #define FIX_NAK_2 (1 << 3)
265 EFUSEAR = 0xdc,
266 #define EFUSEAR_FLAG 0x80000000
267 #define EFUSEAR_WRITE_CMD 0x80000000
268 #define EFUSEAR_READ_CMD 0x00000000
269 #define EFUSEAR_REG_MASK 0x03ff
270 #define EFUSEAR_REG_SHIFT 8
271 #define EFUSEAR_DATA_MASK 0xff
272 };
273
274 enum rtl_register_content {
275 /* InterruptStatusBits */
276 SYSErr = 0x8000,
277 PCSTimeout = 0x4000,
278 SWInt = 0x0100,
279 TxDescUnavail = 0x0080,
280 RxFIFOOver = 0x0040,
281 LinkChg = 0x0020,
282 RxOverflow = 0x0010,
283 TxErr = 0x0008,
284 TxOK = 0x0004,
285 RxErr = 0x0002,
286 RxOK = 0x0001,
287
288 /* RxStatusDesc */
289 RxFOVF = (1 << 23),
290 RxRWT = (1 << 22),
291 RxRES = (1 << 21),
292 RxRUNT = (1 << 20),
293 RxCRC = (1 << 19),
294
295 /* ChipCmdBits */
296 CmdReset = 0x10,
297 CmdRxEnb = 0x08,
298 CmdTxEnb = 0x04,
299 RxBufEmpty = 0x01,
300
301 /* TXPoll register p.5 */
302 HPQ = 0x80, /* Poll cmd on the high prio queue */
303 NPQ = 0x40, /* Poll cmd on the low prio queue */
304 FSWInt = 0x01, /* Forced software interrupt */
305
306 /* Cfg9346Bits */
307 Cfg9346_Lock = 0x00,
308 Cfg9346_Unlock = 0xc0,
309
310 /* rx_mode_bits */
311 AcceptErr = 0x20,
312 AcceptRunt = 0x10,
313 AcceptBroadcast = 0x08,
314 AcceptMulticast = 0x04,
315 AcceptMyPhys = 0x02,
316 AcceptAllPhys = 0x01,
317
318 /* RxConfigBits */
319 RxCfgFIFOShift = 13,
320 RxCfgDMAShift = 8,
321
322 /* TxConfigBits */
323 TxInterFrameGapShift = 24,
324 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
325
326 /* Config1 register p.24 */
327 LEDS1 = (1 << 7),
328 LEDS0 = (1 << 6),
329 MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */
330 Speed_down = (1 << 4),
331 MEMMAP = (1 << 3),
332 IOMAP = (1 << 2),
333 VPD = (1 << 1),
334 PMEnable = (1 << 0), /* Power Management Enable */
335
336 /* Config2 register p. 25 */
337 PCI_Clock_66MHz = 0x01,
338 PCI_Clock_33MHz = 0x00,
339
340 /* Config3 register p.25 */
341 MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
342 LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
343 Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */
344
345 /* Config5 register p.27 */
346 BWF = (1 << 6), /* Accept Broadcast wakeup frame */
347 MWF = (1 << 5), /* Accept Multicast wakeup frame */
348 UWF = (1 << 4), /* Accept Unicast wakeup frame */
349 LanWake = (1 << 1), /* LanWake enable/disable */
350 PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
351
352 /* TBICSR p.28 */
353 TBIReset = 0x80000000,
354 TBILoopback = 0x40000000,
355 TBINwEnable = 0x20000000,
356 TBINwRestart = 0x10000000,
357 TBILinkOk = 0x02000000,
358 TBINwComplete = 0x01000000,
359
360 /* CPlusCmd p.31 */
361 EnableBist = (1 << 15), // 8168 8101
362 Mac_dbgo_oe = (1 << 14), // 8168 8101
363 Normal_mode = (1 << 13), // unused
364 Force_half_dup = (1 << 12), // 8168 8101
365 Force_rxflow_en = (1 << 11), // 8168 8101
366 Force_txflow_en = (1 << 10), // 8168 8101
367 Cxpl_dbg_sel = (1 << 9), // 8168 8101
368 ASF = (1 << 8), // 8168 8101
369 PktCntrDisable = (1 << 7), // 8168 8101
370 Mac_dbgo_sel = 0x001c, // 8168
371 RxVlan = (1 << 6),
372 RxChkSum = (1 << 5),
373 PCIDAC = (1 << 4),
374 PCIMulRW = (1 << 3),
375 INTT_0 = 0x0000, // 8168
376 INTT_1 = 0x0001, // 8168
377 INTT_2 = 0x0002, // 8168
378 INTT_3 = 0x0003, // 8168
379
380 /* rtl8169_PHYstatus */
381 TBI_Enable = 0x80,
382 TxFlowCtrl = 0x40,
383 RxFlowCtrl = 0x20,
384 _1000bpsF = 0x10,
385 _100bps = 0x08,
386 _10bps = 0x04,
387 LinkStatus = 0x02,
388 FullDup = 0x01,
389
390 /* _TBICSRBit */
391 TBILinkOK = 0x02000000,
392
393 /* DumpCounterCommand */
394 CounterDump = 0x8,
395 };
396
397 enum desc_status_bit {
398 DescOwn = (1 << 31), /* Descriptor is owned by NIC */
399 RingEnd = (1 << 30), /* End of descriptor ring */
400 FirstFrag = (1 << 29), /* First segment of a packet */
401 LastFrag = (1 << 28), /* Final segment of a packet */
402
403 /* Tx private */
404 LargeSend = (1 << 27), /* TCP Large Send Offload (TSO) */
405 MSSShift = 16, /* MSS value position */
406 MSSMask = 0xfff, /* MSS value + LargeSend bit: 12 bits */
407 IPCS = (1 << 18), /* Calculate IP checksum */
408 UDPCS = (1 << 17), /* Calculate UDP/IP checksum */
409 TCPCS = (1 << 16), /* Calculate TCP/IP checksum */
410 TxVlanTag = (1 << 17), /* Add VLAN tag */
411
412 /* Rx private */
413 PID1 = (1 << 18), /* Protocol ID bit 1/2 */
414 PID0 = (1 << 17), /* Protocol ID bit 2/2 */
415
416 #define RxProtoUDP (PID1)
417 #define RxProtoTCP (PID0)
418 #define RxProtoIP (PID1 | PID0)
419 #define RxProtoMask RxProtoIP
420
421 IPFail = (1 << 16), /* IP checksum failed */
422 UDPFail = (1 << 15), /* UDP/IP checksum failed */
423 TCPFail = (1 << 14), /* TCP/IP checksum failed */
424 RxVlanTag = (1 << 16), /* VLAN tag available */
425 };
426
427 #define RsvdMask 0x3fffc000
428
429 struct TxDesc {
430 __le32 opts1;
431 __le32 opts2;
432 __le64 addr;
433 };
434
435 struct RxDesc {
436 __le32 opts1;
437 __le32 opts2;
438 __le64 addr;
439 };
440
441 struct ring_info {
442 struct sk_buff *skb;
443 u32 len;
444 u8 __pad[sizeof(void *) - sizeof(u32)];
445 };
446
447 enum features {
448 RTL_FEATURE_WOL = (1 << 0),
449 RTL_FEATURE_MSI = (1 << 1),
450 RTL_FEATURE_GMII = (1 << 2),
451 };
452
453 struct rtl8169_counters {
454 __le64 tx_packets;
455 __le64 rx_packets;
456 __le64 tx_errors;
457 __le32 rx_errors;
458 __le16 rx_missed;
459 __le16 align_errors;
460 __le32 tx_one_collision;
461 __le32 tx_multi_collision;
462 __le64 rx_unicast;
463 __le64 rx_broadcast;
464 __le32 rx_multicast;
465 __le16 tx_aborted;
466 __le16 tx_underun;
467 };
468
469 struct rtl8169_private {
470 void __iomem *mmio_addr; /* memory map physical address */
471 struct pci_dev *pci_dev; /* Index of PCI device */
472 struct net_device *dev;
473 struct napi_struct napi;
474 spinlock_t lock; /* spin lock flag */
475 u32 msg_enable;
476 int chipset;
477 int mac_version;
478 u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
479 u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
480 u32 dirty_rx;
481 u32 dirty_tx;
482 struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
483 struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
484 dma_addr_t TxPhyAddr;
485 dma_addr_t RxPhyAddr;
486 struct sk_buff *Rx_skbuff[NUM_RX_DESC]; /* Rx data buffers */
487 struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
488 unsigned align;
489 unsigned rx_buf_sz;
490 struct timer_list timer;
491 u16 cp_cmd;
492 u16 intr_event;
493 u16 napi_event;
494 u16 intr_mask;
495 int phy_1000_ctrl_reg;
496 #ifdef CONFIG_R8169_VLAN
497 struct vlan_group *vlgrp;
498 #endif
499 int (*set_speed)(struct net_device *, u8 autoneg, u16 speed, u8 duplex);
500 int (*get_settings)(struct net_device *, struct ethtool_cmd *);
501 void (*phy_reset_enable)(void __iomem *);
502 void (*hw_start)(struct net_device *);
503 unsigned int (*phy_reset_pending)(void __iomem *);
504 unsigned int (*link_ok)(void __iomem *);
505 int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
506 int pcie_cap;
507 struct delayed_work task;
508 unsigned features;
509
510 struct mii_if_info mii;
511 struct rtl8169_counters counters;
512 };
513
514 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
515 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
516 module_param(rx_copybreak, int, 0);
517 MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
518 module_param(use_dac, int, 0);
519 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
520 module_param_named(debug, debug.msg_enable, int, 0);
521 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
522 MODULE_LICENSE("GPL");
523 MODULE_VERSION(RTL8169_VERSION);
524
525 static int rtl8169_open(struct net_device *dev);
526 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
527 struct net_device *dev);
528 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
529 static int rtl8169_init_ring(struct net_device *dev);
530 static void rtl_hw_start(struct net_device *dev);
531 static int rtl8169_close(struct net_device *dev);
532 static void rtl_set_rx_mode(struct net_device *dev);
533 static void rtl8169_tx_timeout(struct net_device *dev);
534 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
535 static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
536 void __iomem *, u32 budget);
537 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
538 static void rtl8169_down(struct net_device *dev);
539 static void rtl8169_rx_clear(struct rtl8169_private *tp);
540 static int rtl8169_poll(struct napi_struct *napi, int budget);
541
542 static const unsigned int rtl8169_rx_config =
543 (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);
544
545 static void mdio_write(void __iomem *ioaddr, int reg_addr, int value)
546 {
547 int i;
548
549 RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
550
551 for (i = 20; i > 0; i--) {
552 /*
553 * Check if the RTL8169 has completed writing to the specified
554 * MII register.
555 */
556 if (!(RTL_R32(PHYAR) & 0x80000000))
557 break;
558 udelay(25);
559 }
560 }
561
562 static int mdio_read(void __iomem *ioaddr, int reg_addr)
563 {
564 int i, value = -1;
565
566 RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
567
568 for (i = 20; i > 0; i--) {
569 /*
570 * Check if the RTL8169 has completed retrieving data from
571 * the specified MII register.
572 */
573 if (RTL_R32(PHYAR) & 0x80000000) {
574 value = RTL_R32(PHYAR) & 0xffff;
575 break;
576 }
577 udelay(25);
578 }
579 return value;
580 }
581
582 static void mdio_patch(void __iomem *ioaddr, int reg_addr, int value)
583 {
584 mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value);
585 }
586
587 static void mdio_plus_minus(void __iomem *ioaddr, int reg_addr, int p, int m)
588 {
589 int val;
590
591 val = mdio_read(ioaddr, reg_addr);
592 mdio_write(ioaddr, reg_addr, (val | p) & ~m);
593 }
594
595 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
596 int val)
597 {
598 struct rtl8169_private *tp = netdev_priv(dev);
599 void __iomem *ioaddr = tp->mmio_addr;
600
601 mdio_write(ioaddr, location, val);
602 }
603
604 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
605 {
606 struct rtl8169_private *tp = netdev_priv(dev);
607 void __iomem *ioaddr = tp->mmio_addr;
608
609 return mdio_read(ioaddr, location);
610 }
611
612 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
613 {
614 unsigned int i;
615
616 RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
617 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
618
619 for (i = 0; i < 100; i++) {
620 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
621 break;
622 udelay(10);
623 }
624 }
625
626 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
627 {
628 u16 value = 0xffff;
629 unsigned int i;
630
631 RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
632
633 for (i = 0; i < 100; i++) {
634 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
635 value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
636 break;
637 }
638 udelay(10);
639 }
640
641 return value;
642 }
643
644 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
645 {
646 unsigned int i;
647
648 RTL_W32(CSIDR, value);
649 RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
650 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
651
652 for (i = 0; i < 100; i++) {
653 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
654 break;
655 udelay(10);
656 }
657 }
658
659 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
660 {
661 u32 value = ~0x00;
662 unsigned int i;
663
664 RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
665 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
666
667 for (i = 0; i < 100; i++) {
668 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
669 value = RTL_R32(CSIDR);
670 break;
671 }
672 udelay(10);
673 }
674
675 return value;
676 }
677
678 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
679 {
680 u8 value = 0xff;
681 unsigned int i;
682
683 RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
684
685 for (i = 0; i < 300; i++) {
686 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
687 value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
688 break;
689 }
690 udelay(100);
691 }
692
693 return value;
694 }
695
696 static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
697 {
698 RTL_W16(IntrMask, 0x0000);
699
700 RTL_W16(IntrStatus, 0xffff);
701 }
702
703 static void rtl8169_asic_down(void __iomem *ioaddr)
704 {
705 RTL_W8(ChipCmd, 0x00);
706 rtl8169_irq_mask_and_ack(ioaddr);
707 RTL_R16(CPlusCmd);
708 }
709
710 static unsigned int rtl8169_tbi_reset_pending(void __iomem *ioaddr)
711 {
712 return RTL_R32(TBICSR) & TBIReset;
713 }
714
715 static unsigned int rtl8169_xmii_reset_pending(void __iomem *ioaddr)
716 {
717 return mdio_read(ioaddr, MII_BMCR) & BMCR_RESET;
718 }
719
720 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
721 {
722 return RTL_R32(TBICSR) & TBILinkOk;
723 }
724
725 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
726 {
727 return RTL_R8(PHYstatus) & LinkStatus;
728 }
729
730 static void rtl8169_tbi_reset_enable(void __iomem *ioaddr)
731 {
732 RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
733 }
734
735 static void rtl8169_xmii_reset_enable(void __iomem *ioaddr)
736 {
737 unsigned int val;
738
739 val = mdio_read(ioaddr, MII_BMCR) | BMCR_RESET;
740 mdio_write(ioaddr, MII_BMCR, val & 0xffff);
741 }
742
743 static void rtl8169_check_link_status(struct net_device *dev,
744 struct rtl8169_private *tp,
745 void __iomem *ioaddr)
746 {
747 unsigned long flags;
748
749 spin_lock_irqsave(&tp->lock, flags);
750 if (tp->link_ok(ioaddr)) {
751 netif_carrier_on(dev);
752 netif_info(tp, ifup, dev, "link up\n");
753 } else {
754 netif_carrier_off(dev);
755 netif_info(tp, ifdown, dev, "link down\n");
756 }
757 spin_unlock_irqrestore(&tp->lock, flags);
758 }
759
760 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
761 {
762 struct rtl8169_private *tp = netdev_priv(dev);
763 void __iomem *ioaddr = tp->mmio_addr;
764 u8 options;
765
766 wol->wolopts = 0;
767
768 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
769 wol->supported = WAKE_ANY;
770
771 spin_lock_irq(&tp->lock);
772
773 options = RTL_R8(Config1);
774 if (!(options & PMEnable))
775 goto out_unlock;
776
777 options = RTL_R8(Config3);
778 if (options & LinkUp)
779 wol->wolopts |= WAKE_PHY;
780 if (options & MagicPacket)
781 wol->wolopts |= WAKE_MAGIC;
782
783 options = RTL_R8(Config5);
784 if (options & UWF)
785 wol->wolopts |= WAKE_UCAST;
786 if (options & BWF)
787 wol->wolopts |= WAKE_BCAST;
788 if (options & MWF)
789 wol->wolopts |= WAKE_MCAST;
790
791 out_unlock:
792 spin_unlock_irq(&tp->lock);
793 }
794
795 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
796 {
797 struct rtl8169_private *tp = netdev_priv(dev);
798 void __iomem *ioaddr = tp->mmio_addr;
799 unsigned int i;
800 static const struct {
801 u32 opt;
802 u16 reg;
803 u8 mask;
804 } cfg[] = {
805 { WAKE_ANY, Config1, PMEnable },
806 { WAKE_PHY, Config3, LinkUp },
807 { WAKE_MAGIC, Config3, MagicPacket },
808 { WAKE_UCAST, Config5, UWF },
809 { WAKE_BCAST, Config5, BWF },
810 { WAKE_MCAST, Config5, MWF },
811 { WAKE_ANY, Config5, LanWake }
812 };
813
814 spin_lock_irq(&tp->lock);
815
816 RTL_W8(Cfg9346, Cfg9346_Unlock);
817
818 for (i = 0; i < ARRAY_SIZE(cfg); i++) {
819 u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
820 if (wol->wolopts & cfg[i].opt)
821 options |= cfg[i].mask;
822 RTL_W8(cfg[i].reg, options);
823 }
824
825 RTL_W8(Cfg9346, Cfg9346_Lock);
826
827 if (wol->wolopts)
828 tp->features |= RTL_FEATURE_WOL;
829 else
830 tp->features &= ~RTL_FEATURE_WOL;
831 device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
832
833 spin_unlock_irq(&tp->lock);
834
835 return 0;
836 }
837
838 static void rtl8169_get_drvinfo(struct net_device *dev,
839 struct ethtool_drvinfo *info)
840 {
841 struct rtl8169_private *tp = netdev_priv(dev);
842
843 strcpy(info->driver, MODULENAME);
844 strcpy(info->version, RTL8169_VERSION);
845 strcpy(info->bus_info, pci_name(tp->pci_dev));
846 }
847
848 static int rtl8169_get_regs_len(struct net_device *dev)
849 {
850 return R8169_REGS_SIZE;
851 }
852
853 static int rtl8169_set_speed_tbi(struct net_device *dev,
854 u8 autoneg, u16 speed, u8 duplex)
855 {
856 struct rtl8169_private *tp = netdev_priv(dev);
857 void __iomem *ioaddr = tp->mmio_addr;
858 int ret = 0;
859 u32 reg;
860
861 reg = RTL_R32(TBICSR);
862 if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
863 (duplex == DUPLEX_FULL)) {
864 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
865 } else if (autoneg == AUTONEG_ENABLE)
866 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
867 else {
868 netif_warn(tp, link, dev,
869 "incorrect speed setting refused in TBI mode\n");
870 ret = -EOPNOTSUPP;
871 }
872
873 return ret;
874 }
875
876 static int rtl8169_set_speed_xmii(struct net_device *dev,
877 u8 autoneg, u16 speed, u8 duplex)
878 {
879 struct rtl8169_private *tp = netdev_priv(dev);
880 void __iomem *ioaddr = tp->mmio_addr;
881 int giga_ctrl, bmcr;
882
883 if (autoneg == AUTONEG_ENABLE) {
884 int auto_nego;
885
886 auto_nego = mdio_read(ioaddr, MII_ADVERTISE);
887 auto_nego |= (ADVERTISE_10HALF | ADVERTISE_10FULL |
888 ADVERTISE_100HALF | ADVERTISE_100FULL);
889 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
890
891 giga_ctrl = mdio_read(ioaddr, MII_CTRL1000);
892 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
893
894 /* The 8100e/8101e/8102e do Fast Ethernet only. */
895 if ((tp->mac_version != RTL_GIGA_MAC_VER_07) &&
896 (tp->mac_version != RTL_GIGA_MAC_VER_08) &&
897 (tp->mac_version != RTL_GIGA_MAC_VER_09) &&
898 (tp->mac_version != RTL_GIGA_MAC_VER_10) &&
899 (tp->mac_version != RTL_GIGA_MAC_VER_13) &&
900 (tp->mac_version != RTL_GIGA_MAC_VER_14) &&
901 (tp->mac_version != RTL_GIGA_MAC_VER_15) &&
902 (tp->mac_version != RTL_GIGA_MAC_VER_16)) {
903 giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
904 } else {
905 netif_info(tp, link, dev,
906 "PHY does not support 1000Mbps\n");
907 }
908
909 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
910
911 if ((tp->mac_version == RTL_GIGA_MAC_VER_11) ||
912 (tp->mac_version == RTL_GIGA_MAC_VER_12) ||
913 (tp->mac_version >= RTL_GIGA_MAC_VER_17)) {
914 /*
915 * Wake up the PHY.
916 * Vendor specific (0x1f) and reserved (0x0e) MII
917 * registers.
918 */
919 mdio_write(ioaddr, 0x1f, 0x0000);
920 mdio_write(ioaddr, 0x0e, 0x0000);
921 }
922
923 mdio_write(ioaddr, MII_ADVERTISE, auto_nego);
924 mdio_write(ioaddr, MII_CTRL1000, giga_ctrl);
925 } else {
926 giga_ctrl = 0;
927
928 if (speed == SPEED_10)
929 bmcr = 0;
930 else if (speed == SPEED_100)
931 bmcr = BMCR_SPEED100;
932 else
933 return -EINVAL;
934
935 if (duplex == DUPLEX_FULL)
936 bmcr |= BMCR_FULLDPLX;
937
938 mdio_write(ioaddr, 0x1f, 0x0000);
939 }
940
941 tp->phy_1000_ctrl_reg = giga_ctrl;
942
943 mdio_write(ioaddr, MII_BMCR, bmcr);
944
945 if ((tp->mac_version == RTL_GIGA_MAC_VER_02) ||
946 (tp->mac_version == RTL_GIGA_MAC_VER_03)) {
947 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
948 mdio_write(ioaddr, 0x17, 0x2138);
949 mdio_write(ioaddr, 0x0e, 0x0260);
950 } else {
951 mdio_write(ioaddr, 0x17, 0x2108);
952 mdio_write(ioaddr, 0x0e, 0x0000);
953 }
954 }
955
956 return 0;
957 }
958
959 static int rtl8169_set_speed(struct net_device *dev,
960 u8 autoneg, u16 speed, u8 duplex)
961 {
962 struct rtl8169_private *tp = netdev_priv(dev);
963 int ret;
964
965 ret = tp->set_speed(dev, autoneg, speed, duplex);
966
967 if (netif_running(dev) && (tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL))
968 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
969
970 return ret;
971 }
972
973 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
974 {
975 struct rtl8169_private *tp = netdev_priv(dev);
976 unsigned long flags;
977 int ret;
978
979 spin_lock_irqsave(&tp->lock, flags);
980 ret = rtl8169_set_speed(dev, cmd->autoneg, cmd->speed, cmd->duplex);
981 spin_unlock_irqrestore(&tp->lock, flags);
982
983 return ret;
984 }
985
986 static u32 rtl8169_get_rx_csum(struct net_device *dev)
987 {
988 struct rtl8169_private *tp = netdev_priv(dev);
989
990 return tp->cp_cmd & RxChkSum;
991 }
992
993 static int rtl8169_set_rx_csum(struct net_device *dev, u32 data)
994 {
995 struct rtl8169_private *tp = netdev_priv(dev);
996 void __iomem *ioaddr = tp->mmio_addr;
997 unsigned long flags;
998
999 spin_lock_irqsave(&tp->lock, flags);
1000
1001 if (data)
1002 tp->cp_cmd |= RxChkSum;
1003 else
1004 tp->cp_cmd &= ~RxChkSum;
1005
1006 RTL_W16(CPlusCmd, tp->cp_cmd);
1007 RTL_R16(CPlusCmd);
1008
1009 spin_unlock_irqrestore(&tp->lock, flags);
1010
1011 return 0;
1012 }
1013
1014 #ifdef CONFIG_R8169_VLAN
1015
1016 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1017 struct sk_buff *skb)
1018 {
1019 return (tp->vlgrp && vlan_tx_tag_present(skb)) ?
1020 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1021 }
1022
1023 static void rtl8169_vlan_rx_register(struct net_device *dev,
1024 struct vlan_group *grp)
1025 {
1026 struct rtl8169_private *tp = netdev_priv(dev);
1027 void __iomem *ioaddr = tp->mmio_addr;
1028 unsigned long flags;
1029
1030 spin_lock_irqsave(&tp->lock, flags);
1031 tp->vlgrp = grp;
1032 /*
1033 * Do not disable RxVlan on 8110SCd.
1034 */
1035 if (tp->vlgrp || (tp->mac_version == RTL_GIGA_MAC_VER_05))
1036 tp->cp_cmd |= RxVlan;
1037 else
1038 tp->cp_cmd &= ~RxVlan;
1039 RTL_W16(CPlusCmd, tp->cp_cmd);
1040 RTL_R16(CPlusCmd);
1041 spin_unlock_irqrestore(&tp->lock, flags);
1042 }
1043
1044 static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc,
1045 struct sk_buff *skb)
1046 {
1047 u32 opts2 = le32_to_cpu(desc->opts2);
1048 struct vlan_group *vlgrp = tp->vlgrp;
1049 int ret;
1050
1051 if (vlgrp && (opts2 & RxVlanTag)) {
1052 vlan_hwaccel_receive_skb(skb, vlgrp, swab16(opts2 & 0xffff));
1053 ret = 0;
1054 } else
1055 ret = -1;
1056 desc->opts2 = 0;
1057 return ret;
1058 }
1059
1060 #else /* !CONFIG_R8169_VLAN */
1061
1062 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1063 struct sk_buff *skb)
1064 {
1065 return 0;
1066 }
1067
1068 static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc,
1069 struct sk_buff *skb)
1070 {
1071 return -1;
1072 }
1073
1074 #endif
1075
1076 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1077 {
1078 struct rtl8169_private *tp = netdev_priv(dev);
1079 void __iomem *ioaddr = tp->mmio_addr;
1080 u32 status;
1081
1082 cmd->supported =
1083 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1084 cmd->port = PORT_FIBRE;
1085 cmd->transceiver = XCVR_INTERNAL;
1086
1087 status = RTL_R32(TBICSR);
1088 cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0;
1089 cmd->autoneg = !!(status & TBINwEnable);
1090
1091 cmd->speed = SPEED_1000;
1092 cmd->duplex = DUPLEX_FULL; /* Always set */
1093
1094 return 0;
1095 }
1096
1097 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1098 {
1099 struct rtl8169_private *tp = netdev_priv(dev);
1100
1101 return mii_ethtool_gset(&tp->mii, cmd);
1102 }
1103
1104 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1105 {
1106 struct rtl8169_private *tp = netdev_priv(dev);
1107 unsigned long flags;
1108 int rc;
1109
1110 spin_lock_irqsave(&tp->lock, flags);
1111
1112 rc = tp->get_settings(dev, cmd);
1113
1114 spin_unlock_irqrestore(&tp->lock, flags);
1115 return rc;
1116 }
1117
1118 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1119 void *p)
1120 {
1121 struct rtl8169_private *tp = netdev_priv(dev);
1122 unsigned long flags;
1123
1124 if (regs->len > R8169_REGS_SIZE)
1125 regs->len = R8169_REGS_SIZE;
1126
1127 spin_lock_irqsave(&tp->lock, flags);
1128 memcpy_fromio(p, tp->mmio_addr, regs->len);
1129 spin_unlock_irqrestore(&tp->lock, flags);
1130 }
1131
1132 static u32 rtl8169_get_msglevel(struct net_device *dev)
1133 {
1134 struct rtl8169_private *tp = netdev_priv(dev);
1135
1136 return tp->msg_enable;
1137 }
1138
1139 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1140 {
1141 struct rtl8169_private *tp = netdev_priv(dev);
1142
1143 tp->msg_enable = value;
1144 }
1145
1146 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1147 "tx_packets",
1148 "rx_packets",
1149 "tx_errors",
1150 "rx_errors",
1151 "rx_missed",
1152 "align_errors",
1153 "tx_single_collisions",
1154 "tx_multi_collisions",
1155 "unicast",
1156 "broadcast",
1157 "multicast",
1158 "tx_aborted",
1159 "tx_underrun",
1160 };
1161
1162 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1163 {
1164 switch (sset) {
1165 case ETH_SS_STATS:
1166 return ARRAY_SIZE(rtl8169_gstrings);
1167 default:
1168 return -EOPNOTSUPP;
1169 }
1170 }
1171
1172 static void rtl8169_update_counters(struct net_device *dev)
1173 {
1174 struct rtl8169_private *tp = netdev_priv(dev);
1175 void __iomem *ioaddr = tp->mmio_addr;
1176 struct rtl8169_counters *counters;
1177 dma_addr_t paddr;
1178 u32 cmd;
1179 int wait = 1000;
1180
1181 /*
1182 * Some chips are unable to dump tally counters when the receiver
1183 * is disabled.
1184 */
1185 if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1186 return;
1187
1188 counters = pci_alloc_consistent(tp->pci_dev, sizeof(*counters), &paddr);
1189 if (!counters)
1190 return;
1191
1192 RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1193 cmd = (u64)paddr & DMA_BIT_MASK(32);
1194 RTL_W32(CounterAddrLow, cmd);
1195 RTL_W32(CounterAddrLow, cmd | CounterDump);
1196
1197 while (wait--) {
1198 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1199 /* copy updated counters */
1200 memcpy(&tp->counters, counters, sizeof(*counters));
1201 break;
1202 }
1203 udelay(10);
1204 }
1205
1206 RTL_W32(CounterAddrLow, 0);
1207 RTL_W32(CounterAddrHigh, 0);
1208
1209 pci_free_consistent(tp->pci_dev, sizeof(*counters), counters, paddr);
1210 }
1211
1212 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1213 struct ethtool_stats *stats, u64 *data)
1214 {
1215 struct rtl8169_private *tp = netdev_priv(dev);
1216
1217 ASSERT_RTNL();
1218
1219 rtl8169_update_counters(dev);
1220
1221 data[0] = le64_to_cpu(tp->counters.tx_packets);
1222 data[1] = le64_to_cpu(tp->counters.rx_packets);
1223 data[2] = le64_to_cpu(tp->counters.tx_errors);
1224 data[3] = le32_to_cpu(tp->counters.rx_errors);
1225 data[4] = le16_to_cpu(tp->counters.rx_missed);
1226 data[5] = le16_to_cpu(tp->counters.align_errors);
1227 data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1228 data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1229 data[8] = le64_to_cpu(tp->counters.rx_unicast);
1230 data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1231 data[10] = le32_to_cpu(tp->counters.rx_multicast);
1232 data[11] = le16_to_cpu(tp->counters.tx_aborted);
1233 data[12] = le16_to_cpu(tp->counters.tx_underun);
1234 }
1235
1236 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1237 {
1238 switch(stringset) {
1239 case ETH_SS_STATS:
1240 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1241 break;
1242 }
1243 }
1244
1245 static const struct ethtool_ops rtl8169_ethtool_ops = {
1246 .get_drvinfo = rtl8169_get_drvinfo,
1247 .get_regs_len = rtl8169_get_regs_len,
1248 .get_link = ethtool_op_get_link,
1249 .get_settings = rtl8169_get_settings,
1250 .set_settings = rtl8169_set_settings,
1251 .get_msglevel = rtl8169_get_msglevel,
1252 .set_msglevel = rtl8169_set_msglevel,
1253 .get_rx_csum = rtl8169_get_rx_csum,
1254 .set_rx_csum = rtl8169_set_rx_csum,
1255 .set_tx_csum = ethtool_op_set_tx_csum,
1256 .set_sg = ethtool_op_set_sg,
1257 .set_tso = ethtool_op_set_tso,
1258 .get_regs = rtl8169_get_regs,
1259 .get_wol = rtl8169_get_wol,
1260 .set_wol = rtl8169_set_wol,
1261 .get_strings = rtl8169_get_strings,
1262 .get_sset_count = rtl8169_get_sset_count,
1263 .get_ethtool_stats = rtl8169_get_ethtool_stats,
1264 };
1265
1266 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1267 void __iomem *ioaddr)
1268 {
1269 /*
1270 * The driver currently handles the 8168Bf and the 8168Be identically
1271 * but they can be identified more specifically through the test below
1272 * if needed:
1273 *
1274 * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1275 *
1276 * Same thing for the 8101Eb and the 8101Ec:
1277 *
1278 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1279 */
1280 static const struct {
1281 u32 mask;
1282 u32 val;
1283 int mac_version;
1284 } mac_info[] = {
1285 /* 8168D family. */
1286 { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 },
1287 { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 },
1288 { 0x7c800000, 0x28800000, RTL_GIGA_MAC_VER_27 },
1289 { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 },
1290
1291 /* 8168C family. */
1292 { 0x7cf00000, 0x3ca00000, RTL_GIGA_MAC_VER_24 },
1293 { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 },
1294 { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
1295 { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 },
1296 { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
1297 { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
1298 { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 },
1299 { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 },
1300 { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 },
1301
1302 /* 8168B family. */
1303 { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 },
1304 { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 },
1305 { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 },
1306 { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },
1307
1308 /* 8101 family. */
1309 { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 },
1310 { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 },
1311 { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 },
1312 { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 },
1313 { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 },
1314 { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 },
1315 { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
1316 { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 },
1317 { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
1318 { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 },
1319 { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 },
1320 { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 },
1321 /* FIXME: where did these entries come from ? -- FR */
1322 { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 },
1323 { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 },
1324
1325 /* 8110 family. */
1326 { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 },
1327 { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 },
1328 { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 },
1329 { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 },
1330 { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 },
1331 { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 },
1332
1333 /* Catch-all */
1334 { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE }
1335 }, *p = mac_info;
1336 u32 reg;
1337
1338 reg = RTL_R32(TxConfig);
1339 while ((reg & p->mask) != p->val)
1340 p++;
1341 tp->mac_version = p->mac_version;
1342 }
1343
1344 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1345 {
1346 dprintk("mac_version = 0x%02x\n", tp->mac_version);
1347 }
1348
1349 struct phy_reg {
1350 u16 reg;
1351 u16 val;
1352 };
1353
1354 static void rtl_phy_write(void __iomem *ioaddr, const struct phy_reg *regs, int len)
1355 {
1356 while (len-- > 0) {
1357 mdio_write(ioaddr, regs->reg, regs->val);
1358 regs++;
1359 }
1360 }
1361
1362 static void rtl8169s_hw_phy_config(void __iomem *ioaddr)
1363 {
1364 static const struct phy_reg phy_reg_init[] = {
1365 { 0x1f, 0x0001 },
1366 { 0x06, 0x006e },
1367 { 0x08, 0x0708 },
1368 { 0x15, 0x4000 },
1369 { 0x18, 0x65c7 },
1370
1371 { 0x1f, 0x0001 },
1372 { 0x03, 0x00a1 },
1373 { 0x02, 0x0008 },
1374 { 0x01, 0x0120 },
1375 { 0x00, 0x1000 },
1376 { 0x04, 0x0800 },
1377 { 0x04, 0x0000 },
1378
1379 { 0x03, 0xff41 },
1380 { 0x02, 0xdf60 },
1381 { 0x01, 0x0140 },
1382 { 0x00, 0x0077 },
1383 { 0x04, 0x7800 },
1384 { 0x04, 0x7000 },
1385
1386 { 0x03, 0x802f },
1387 { 0x02, 0x4f02 },
1388 { 0x01, 0x0409 },
1389 { 0x00, 0xf0f9 },
1390 { 0x04, 0x9800 },
1391 { 0x04, 0x9000 },
1392
1393 { 0x03, 0xdf01 },
1394 { 0x02, 0xdf20 },
1395 { 0x01, 0xff95 },
1396 { 0x00, 0xba00 },
1397 { 0x04, 0xa800 },
1398 { 0x04, 0xa000 },
1399
1400 { 0x03, 0xff41 },
1401 { 0x02, 0xdf20 },
1402 { 0x01, 0x0140 },
1403 { 0x00, 0x00bb },
1404 { 0x04, 0xb800 },
1405 { 0x04, 0xb000 },
1406
1407 { 0x03, 0xdf41 },
1408 { 0x02, 0xdc60 },
1409 { 0x01, 0x6340 },
1410 { 0x00, 0x007d },
1411 { 0x04, 0xd800 },
1412 { 0x04, 0xd000 },
1413
1414 { 0x03, 0xdf01 },
1415 { 0x02, 0xdf20 },
1416 { 0x01, 0x100a },
1417 { 0x00, 0xa0ff },
1418 { 0x04, 0xf800 },
1419 { 0x04, 0xf000 },
1420
1421 { 0x1f, 0x0000 },
1422 { 0x0b, 0x0000 },
1423 { 0x00, 0x9200 }
1424 };
1425
1426 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1427 }
1428
1429 static void rtl8169sb_hw_phy_config(void __iomem *ioaddr)
1430 {
1431 static const struct phy_reg phy_reg_init[] = {
1432 { 0x1f, 0x0002 },
1433 { 0x01, 0x90d0 },
1434 { 0x1f, 0x0000 }
1435 };
1436
1437 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1438 }
1439
1440 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp,
1441 void __iomem *ioaddr)
1442 {
1443 struct pci_dev *pdev = tp->pci_dev;
1444 u16 vendor_id, device_id;
1445
1446 pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id);
1447 pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &device_id);
1448
1449 if ((vendor_id != PCI_VENDOR_ID_GIGABYTE) || (device_id != 0xe000))
1450 return;
1451
1452 mdio_write(ioaddr, 0x1f, 0x0001);
1453 mdio_write(ioaddr, 0x10, 0xf01b);
1454 mdio_write(ioaddr, 0x1f, 0x0000);
1455 }
1456
1457 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp,
1458 void __iomem *ioaddr)
1459 {
1460 static const struct phy_reg phy_reg_init[] = {
1461 { 0x1f, 0x0001 },
1462 { 0x04, 0x0000 },
1463 { 0x03, 0x00a1 },
1464 { 0x02, 0x0008 },
1465 { 0x01, 0x0120 },
1466 { 0x00, 0x1000 },
1467 { 0x04, 0x0800 },
1468 { 0x04, 0x9000 },
1469 { 0x03, 0x802f },
1470 { 0x02, 0x4f02 },
1471 { 0x01, 0x0409 },
1472 { 0x00, 0xf099 },
1473 { 0x04, 0x9800 },
1474 { 0x04, 0xa000 },
1475 { 0x03, 0xdf01 },
1476 { 0x02, 0xdf20 },
1477 { 0x01, 0xff95 },
1478 { 0x00, 0xba00 },
1479 { 0x04, 0xa800 },
1480 { 0x04, 0xf000 },
1481 { 0x03, 0xdf01 },
1482 { 0x02, 0xdf20 },
1483 { 0x01, 0x101a },
1484 { 0x00, 0xa0ff },
1485 { 0x04, 0xf800 },
1486 { 0x04, 0x0000 },
1487 { 0x1f, 0x0000 },
1488
1489 { 0x1f, 0x0001 },
1490 { 0x10, 0xf41b },
1491 { 0x14, 0xfb54 },
1492 { 0x18, 0xf5c7 },
1493 { 0x1f, 0x0000 },
1494
1495 { 0x1f, 0x0001 },
1496 { 0x17, 0x0cc0 },
1497 { 0x1f, 0x0000 }
1498 };
1499
1500 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1501
1502 rtl8169scd_hw_phy_config_quirk(tp, ioaddr);
1503 }
1504
1505 static void rtl8169sce_hw_phy_config(void __iomem *ioaddr)
1506 {
1507 static const struct phy_reg phy_reg_init[] = {
1508 { 0x1f, 0x0001 },
1509 { 0x04, 0x0000 },
1510 { 0x03, 0x00a1 },
1511 { 0x02, 0x0008 },
1512 { 0x01, 0x0120 },
1513 { 0x00, 0x1000 },
1514 { 0x04, 0x0800 },
1515 { 0x04, 0x9000 },
1516 { 0x03, 0x802f },
1517 { 0x02, 0x4f02 },
1518 { 0x01, 0x0409 },
1519 { 0x00, 0xf099 },
1520 { 0x04, 0x9800 },
1521 { 0x04, 0xa000 },
1522 { 0x03, 0xdf01 },
1523 { 0x02, 0xdf20 },
1524 { 0x01, 0xff95 },
1525 { 0x00, 0xba00 },
1526 { 0x04, 0xa800 },
1527 { 0x04, 0xf000 },
1528 { 0x03, 0xdf01 },
1529 { 0x02, 0xdf20 },
1530 { 0x01, 0x101a },
1531 { 0x00, 0xa0ff },
1532 { 0x04, 0xf800 },
1533 { 0x04, 0x0000 },
1534 { 0x1f, 0x0000 },
1535
1536 { 0x1f, 0x0001 },
1537 { 0x0b, 0x8480 },
1538 { 0x1f, 0x0000 },
1539
1540 { 0x1f, 0x0001 },
1541 { 0x18, 0x67c7 },
1542 { 0x04, 0x2000 },
1543 { 0x03, 0x002f },
1544 { 0x02, 0x4360 },
1545 { 0x01, 0x0109 },
1546 { 0x00, 0x3022 },
1547 { 0x04, 0x2800 },
1548 { 0x1f, 0x0000 },
1549
1550 { 0x1f, 0x0001 },
1551 { 0x17, 0x0cc0 },
1552 { 0x1f, 0x0000 }
1553 };
1554
1555 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1556 }
1557
1558 static void rtl8168bb_hw_phy_config(void __iomem *ioaddr)
1559 {
1560 static const struct phy_reg phy_reg_init[] = {
1561 { 0x10, 0xf41b },
1562 { 0x1f, 0x0000 }
1563 };
1564
1565 mdio_write(ioaddr, 0x1f, 0x0001);
1566 mdio_patch(ioaddr, 0x16, 1 << 0);
1567
1568 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1569 }
1570
1571 static void rtl8168bef_hw_phy_config(void __iomem *ioaddr)
1572 {
1573 static const struct phy_reg phy_reg_init[] = {
1574 { 0x1f, 0x0001 },
1575 { 0x10, 0xf41b },
1576 { 0x1f, 0x0000 }
1577 };
1578
1579 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1580 }
1581
1582 static void rtl8168cp_1_hw_phy_config(void __iomem *ioaddr)
1583 {
1584 static const struct phy_reg phy_reg_init[] = {
1585 { 0x1f, 0x0000 },
1586 { 0x1d, 0x0f00 },
1587 { 0x1f, 0x0002 },
1588 { 0x0c, 0x1ec8 },
1589 { 0x1f, 0x0000 }
1590 };
1591
1592 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1593 }
1594
1595 static void rtl8168cp_2_hw_phy_config(void __iomem *ioaddr)
1596 {
1597 static const struct phy_reg phy_reg_init[] = {
1598 { 0x1f, 0x0001 },
1599 { 0x1d, 0x3d98 },
1600 { 0x1f, 0x0000 }
1601 };
1602
1603 mdio_write(ioaddr, 0x1f, 0x0000);
1604 mdio_patch(ioaddr, 0x14, 1 << 5);
1605 mdio_patch(ioaddr, 0x0d, 1 << 5);
1606
1607 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1608 }
1609
1610 static void rtl8168c_1_hw_phy_config(void __iomem *ioaddr)
1611 {
1612 static const struct phy_reg phy_reg_init[] = {
1613 { 0x1f, 0x0001 },
1614 { 0x12, 0x2300 },
1615 { 0x1f, 0x0002 },
1616 { 0x00, 0x88d4 },
1617 { 0x01, 0x82b1 },
1618 { 0x03, 0x7002 },
1619 { 0x08, 0x9e30 },
1620 { 0x09, 0x01f0 },
1621 { 0x0a, 0x5500 },
1622 { 0x0c, 0x00c8 },
1623 { 0x1f, 0x0003 },
1624 { 0x12, 0xc096 },
1625 { 0x16, 0x000a },
1626 { 0x1f, 0x0000 },
1627 { 0x1f, 0x0000 },
1628 { 0x09, 0x2000 },
1629 { 0x09, 0x0000 }
1630 };
1631
1632 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1633
1634 mdio_patch(ioaddr, 0x14, 1 << 5);
1635 mdio_patch(ioaddr, 0x0d, 1 << 5);
1636 mdio_write(ioaddr, 0x1f, 0x0000);
1637 }
1638
1639 static void rtl8168c_2_hw_phy_config(void __iomem *ioaddr)
1640 {
1641 static const struct phy_reg phy_reg_init[] = {
1642 { 0x1f, 0x0001 },
1643 { 0x12, 0x2300 },
1644 { 0x03, 0x802f },
1645 { 0x02, 0x4f02 },
1646 { 0x01, 0x0409 },
1647 { 0x00, 0xf099 },
1648 { 0x04, 0x9800 },
1649 { 0x04, 0x9000 },
1650 { 0x1d, 0x3d98 },
1651 { 0x1f, 0x0002 },
1652 { 0x0c, 0x7eb8 },
1653 { 0x06, 0x0761 },
1654 { 0x1f, 0x0003 },
1655 { 0x16, 0x0f0a },
1656 { 0x1f, 0x0000 }
1657 };
1658
1659 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1660
1661 mdio_patch(ioaddr, 0x16, 1 << 0);
1662 mdio_patch(ioaddr, 0x14, 1 << 5);
1663 mdio_patch(ioaddr, 0x0d, 1 << 5);
1664 mdio_write(ioaddr, 0x1f, 0x0000);
1665 }
1666
1667 static void rtl8168c_3_hw_phy_config(void __iomem *ioaddr)
1668 {
1669 static const struct phy_reg phy_reg_init[] = {
1670 { 0x1f, 0x0001 },
1671 { 0x12, 0x2300 },
1672 { 0x1d, 0x3d98 },
1673 { 0x1f, 0x0002 },
1674 { 0x0c, 0x7eb8 },
1675 { 0x06, 0x5461 },
1676 { 0x1f, 0x0003 },
1677 { 0x16, 0x0f0a },
1678 { 0x1f, 0x0000 }
1679 };
1680
1681 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1682
1683 mdio_patch(ioaddr, 0x16, 1 << 0);
1684 mdio_patch(ioaddr, 0x14, 1 << 5);
1685 mdio_patch(ioaddr, 0x0d, 1 << 5);
1686 mdio_write(ioaddr, 0x1f, 0x0000);
1687 }
1688
1689 static void rtl8168c_4_hw_phy_config(void __iomem *ioaddr)
1690 {
1691 rtl8168c_3_hw_phy_config(ioaddr);
1692 }
1693
1694 static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr)
1695 {
1696 static const struct phy_reg phy_reg_init_0[] = {
1697 { 0x1f, 0x0001 },
1698 { 0x06, 0x4064 },
1699 { 0x07, 0x2863 },
1700 { 0x08, 0x059c },
1701 { 0x09, 0x26b4 },
1702 { 0x0a, 0x6a19 },
1703 { 0x0b, 0xdcc8 },
1704 { 0x10, 0xf06d },
1705 { 0x14, 0x7f68 },
1706 { 0x18, 0x7fd9 },
1707 { 0x1c, 0xf0ff },
1708 { 0x1d, 0x3d9c },
1709 { 0x1f, 0x0003 },
1710 { 0x12, 0xf49f },
1711 { 0x13, 0x070b },
1712 { 0x1a, 0x05ad },
1713 { 0x14, 0x94c0 }
1714 };
1715 static const struct phy_reg phy_reg_init_1[] = {
1716 { 0x1f, 0x0002 },
1717 { 0x06, 0x5561 },
1718 { 0x1f, 0x0005 },
1719 { 0x05, 0x8332 },
1720 { 0x06, 0x5561 }
1721 };
1722 static const struct phy_reg phy_reg_init_2[] = {
1723 { 0x1f, 0x0005 },
1724 { 0x05, 0xffc2 },
1725 { 0x1f, 0x0005 },
1726 { 0x05, 0x8000 },
1727 { 0x06, 0xf8f9 },
1728 { 0x06, 0xfaef },
1729 { 0x06, 0x59ee },
1730 { 0x06, 0xf8ea },
1731 { 0x06, 0x00ee },
1732 { 0x06, 0xf8eb },
1733 { 0x06, 0x00e0 },
1734 { 0x06, 0xf87c },
1735 { 0x06, 0xe1f8 },
1736 { 0x06, 0x7d59 },
1737 { 0x06, 0x0fef },
1738 { 0x06, 0x0139 },
1739 { 0x06, 0x029e },
1740 { 0x06, 0x06ef },
1741 { 0x06, 0x1039 },
1742 { 0x06, 0x089f },
1743 { 0x06, 0x2aee },
1744 { 0x06, 0xf8ea },
1745 { 0x06, 0x00ee },
1746 { 0x06, 0xf8eb },
1747 { 0x06, 0x01e0 },
1748 { 0x06, 0xf87c },
1749 { 0x06, 0xe1f8 },
1750 { 0x06, 0x7d58 },
1751 { 0x06, 0x409e },
1752 { 0x06, 0x0f39 },
1753 { 0x06, 0x46aa },
1754 { 0x06, 0x0bbf },
1755 { 0x06, 0x8290 },
1756 { 0x06, 0xd682 },
1757 { 0x06, 0x9802 },
1758 { 0x06, 0x014f },
1759 { 0x06, 0xae09 },
1760 { 0x06, 0xbf82 },
1761 { 0x06, 0x98d6 },
1762 { 0x06, 0x82a0 },
1763 { 0x06, 0x0201 },
1764 { 0x06, 0x4fef },
1765 { 0x06, 0x95fe },
1766 { 0x06, 0xfdfc },
1767 { 0x06, 0x05f8 },
1768 { 0x06, 0xf9fa },
1769 { 0x06, 0xeef8 },
1770 { 0x06, 0xea00 },
1771 { 0x06, 0xeef8 },
1772 { 0x06, 0xeb00 },
1773 { 0x06, 0xe2f8 },
1774 { 0x06, 0x7ce3 },
1775 { 0x06, 0xf87d },
1776 { 0x06, 0xa511 },
1777 { 0x06, 0x1112 },
1778 { 0x06, 0xd240 },
1779 { 0x06, 0xd644 },
1780 { 0x06, 0x4402 },
1781 { 0x06, 0x8217 },
1782 { 0x06, 0xd2a0 },
1783 { 0x06, 0xd6aa },
1784 { 0x06, 0xaa02 },
1785 { 0x06, 0x8217 },
1786 { 0x06, 0xae0f },
1787 { 0x06, 0xa544 },
1788 { 0x06, 0x4402 },
1789 { 0x06, 0xae4d },
1790 { 0x06, 0xa5aa },
1791 { 0x06, 0xaa02 },
1792 { 0x06, 0xae47 },
1793 { 0x06, 0xaf82 },
1794 { 0x06, 0x13ee },
1795 { 0x06, 0x834e },
1796 { 0x06, 0x00ee },
1797 { 0x06, 0x834d },
1798 { 0x06, 0x0fee },
1799 { 0x06, 0x834c },
1800 { 0x06, 0x0fee },
1801 { 0x06, 0x834f },
1802 { 0x06, 0x00ee },
1803 { 0x06, 0x8351 },
1804 { 0x06, 0x00ee },
1805 { 0x06, 0x834a },
1806 { 0x06, 0xffee },
1807 { 0x06, 0x834b },
1808 { 0x06, 0xffe0 },
1809 { 0x06, 0x8330 },
1810 { 0x06, 0xe183 },
1811 { 0x06, 0x3158 },
1812 { 0x06, 0xfee4 },
1813 { 0x06, 0xf88a },
1814 { 0x06, 0xe5f8 },
1815 { 0x06, 0x8be0 },
1816 { 0x06, 0x8332 },
1817 { 0x06, 0xe183 },
1818 { 0x06, 0x3359 },
1819 { 0x06, 0x0fe2 },
1820 { 0x06, 0x834d },
1821 { 0x06, 0x0c24 },
1822 { 0x06, 0x5af0 },
1823 { 0x06, 0x1e12 },
1824 { 0x06, 0xe4f8 },
1825 { 0x06, 0x8ce5 },
1826 { 0x06, 0xf88d },
1827 { 0x06, 0xaf82 },
1828 { 0x06, 0x13e0 },
1829 { 0x06, 0x834f },
1830 { 0x06, 0x10e4 },
1831 { 0x06, 0x834f },
1832 { 0x06, 0xe083 },
1833 { 0x06, 0x4e78 },
1834 { 0x06, 0x009f },
1835 { 0x06, 0x0ae0 },
1836 { 0x06, 0x834f },
1837 { 0x06, 0xa010 },
1838 { 0x06, 0xa5ee },
1839 { 0x06, 0x834e },
1840 { 0x06, 0x01e0 },
1841 { 0x06, 0x834e },
1842 { 0x06, 0x7805 },
1843 { 0x06, 0x9e9a },
1844 { 0x06, 0xe083 },
1845 { 0x06, 0x4e78 },
1846 { 0x06, 0x049e },
1847 { 0x06, 0x10e0 },
1848 { 0x06, 0x834e },
1849 { 0x06, 0x7803 },
1850 { 0x06, 0x9e0f },
1851 { 0x06, 0xe083 },
1852 { 0x06, 0x4e78 },
1853 { 0x06, 0x019e },
1854 { 0x06, 0x05ae },
1855 { 0x06, 0x0caf },
1856 { 0x06, 0x81f8 },
1857 { 0x06, 0xaf81 },
1858 { 0x06, 0xa3af },
1859 { 0x06, 0x81dc },
1860 { 0x06, 0xaf82 },
1861 { 0x06, 0x13ee },
1862 { 0x06, 0x8348 },
1863 { 0x06, 0x00ee },
1864 { 0x06, 0x8349 },
1865 { 0x06, 0x00e0 },
1866 { 0x06, 0x8351 },
1867 { 0x06, 0x10e4 },
1868 { 0x06, 0x8351 },
1869 { 0x06, 0x5801 },
1870 { 0x06, 0x9fea },
1871 { 0x06, 0xd000 },
1872 { 0x06, 0xd180 },
1873 { 0x06, 0x1f66 },
1874 { 0x06, 0xe2f8 },
1875 { 0x06, 0xeae3 },
1876 { 0x06, 0xf8eb },
1877 { 0x06, 0x5af8 },
1878 { 0x06, 0x1e20 },
1879 { 0x06, 0xe6f8 },
1880 { 0x06, 0xeae5 },
1881 { 0x06, 0xf8eb },
1882 { 0x06, 0xd302 },
1883 { 0x06, 0xb3fe },
1884 { 0x06, 0xe2f8 },
1885 { 0x06, 0x7cef },
1886 { 0x06, 0x325b },
1887 { 0x06, 0x80e3 },
1888 { 0x06, 0xf87d },
1889 { 0x06, 0x9e03 },
1890 { 0x06, 0x7dff },
1891 { 0x06, 0xff0d },
1892 { 0x06, 0x581c },
1893 { 0x06, 0x551a },
1894 { 0x06, 0x6511 },
1895 { 0x06, 0xa190 },
1896 { 0x06, 0xd3e2 },
1897 { 0x06, 0x8348 },
1898 { 0x06, 0xe383 },
1899 { 0x06, 0x491b },
1900 { 0x06, 0x56ab },
1901 { 0x06, 0x08ef },
1902 { 0x06, 0x56e6 },
1903 { 0x06, 0x8348 },
1904 { 0x06, 0xe783 },
1905 { 0x06, 0x4910 },
1906 { 0x06, 0xd180 },
1907 { 0x06, 0x1f66 },
1908 { 0x06, 0xa004 },
1909 { 0x06, 0xb9e2 },
1910 { 0x06, 0x8348 },
1911 { 0x06, 0xe383 },
1912 { 0x06, 0x49ef },
1913 { 0x06, 0x65e2 },
1914 { 0x06, 0x834a },
1915 { 0x06, 0xe383 },
1916 { 0x06, 0x4b1b },
1917 { 0x06, 0x56aa },
1918 { 0x06, 0x0eef },
1919 { 0x06, 0x56e6 },
1920 { 0x06, 0x834a },
1921 { 0x06, 0xe783 },
1922 { 0x06, 0x4be2 },
1923 { 0x06, 0x834d },
1924 { 0x06, 0xe683 },
1925 { 0x06, 0x4ce0 },
1926 { 0x06, 0x834d },
1927 { 0x06, 0xa000 },
1928 { 0x06, 0x0caf },
1929 { 0x06, 0x81dc },
1930 { 0x06, 0xe083 },
1931 { 0x06, 0x4d10 },
1932 { 0x06, 0xe483 },
1933 { 0x06, 0x4dae },
1934 { 0x06, 0x0480 },
1935 { 0x06, 0xe483 },
1936 { 0x06, 0x4de0 },
1937 { 0x06, 0x834e },
1938 { 0x06, 0x7803 },
1939 { 0x06, 0x9e0b },
1940 { 0x06, 0xe083 },
1941 { 0x06, 0x4e78 },
1942 { 0x06, 0x049e },
1943 { 0x06, 0x04ee },
1944 { 0x06, 0x834e },
1945 { 0x06, 0x02e0 },
1946 { 0x06, 0x8332 },
1947 { 0x06, 0xe183 },
1948 { 0x06, 0x3359 },
1949 { 0x06, 0x0fe2 },
1950 { 0x06, 0x834d },
1951 { 0x06, 0x0c24 },
1952 { 0x06, 0x5af0 },
1953 { 0x06, 0x1e12 },
1954 { 0x06, 0xe4f8 },
1955 { 0x06, 0x8ce5 },
1956 { 0x06, 0xf88d },
1957 { 0x06, 0xe083 },
1958 { 0x06, 0x30e1 },
1959 { 0x06, 0x8331 },
1960 { 0x06, 0x6801 },
1961 { 0x06, 0xe4f8 },
1962 { 0x06, 0x8ae5 },
1963 { 0x06, 0xf88b },
1964 { 0x06, 0xae37 },
1965 { 0x06, 0xee83 },
1966 { 0x06, 0x4e03 },
1967 { 0x06, 0xe083 },
1968 { 0x06, 0x4ce1 },
1969 { 0x06, 0x834d },
1970 { 0x06, 0x1b01 },
1971 { 0x06, 0x9e04 },
1972 { 0x06, 0xaaa1 },
1973 { 0x06, 0xaea8 },
1974 { 0x06, 0xee83 },
1975 { 0x06, 0x4e04 },
1976 { 0x06, 0xee83 },
1977 { 0x06, 0x4f00 },
1978 { 0x06, 0xaeab },
1979 { 0x06, 0xe083 },
1980 { 0x06, 0x4f78 },
1981 { 0x06, 0x039f },
1982 { 0x06, 0x14ee },
1983 { 0x06, 0x834e },
1984 { 0x06, 0x05d2 },
1985 { 0x06, 0x40d6 },
1986 { 0x06, 0x5554 },
1987 { 0x06, 0x0282 },
1988 { 0x06, 0x17d2 },
1989 { 0x06, 0xa0d6 },
1990 { 0x06, 0xba00 },
1991 { 0x06, 0x0282 },
1992 { 0x06, 0x17fe },
1993 { 0x06, 0xfdfc },
1994 { 0x06, 0x05f8 },
1995 { 0x06, 0xe0f8 },
1996 { 0x06, 0x60e1 },
1997 { 0x06, 0xf861 },
1998 { 0x06, 0x6802 },
1999 { 0x06, 0xe4f8 },
2000 { 0x06, 0x60e5 },
2001 { 0x06, 0xf861 },
2002 { 0x06, 0xe0f8 },
2003 { 0x06, 0x48e1 },
2004 { 0x06, 0xf849 },
2005 { 0x06, 0x580f },
2006 { 0x06, 0x1e02 },
2007 { 0x06, 0xe4f8 },
2008 { 0x06, 0x48e5 },
2009 { 0x06, 0xf849 },
2010 { 0x06, 0xd000 },
2011 { 0x06, 0x0282 },
2012 { 0x06, 0x5bbf },
2013 { 0x06, 0x8350 },
2014 { 0x06, 0xef46 },
2015 { 0x06, 0xdc19 },
2016 { 0x06, 0xddd0 },
2017 { 0x06, 0x0102 },
2018 { 0x06, 0x825b },
2019 { 0x06, 0x0282 },
2020 { 0x06, 0x77e0 },
2021 { 0x06, 0xf860 },
2022 { 0x06, 0xe1f8 },
2023 { 0x06, 0x6158 },
2024 { 0x06, 0xfde4 },
2025 { 0x06, 0xf860 },
2026 { 0x06, 0xe5f8 },
2027 { 0x06, 0x61fc },
2028 { 0x06, 0x04f9 },
2029 { 0x06, 0xfafb },
2030 { 0x06, 0xc6bf },
2031 { 0x06, 0xf840 },
2032 { 0x06, 0xbe83 },
2033 { 0x06, 0x50a0 },
2034 { 0x06, 0x0101 },
2035 { 0x06, 0x071b },
2036 { 0x06, 0x89cf },
2037 { 0x06, 0xd208 },
2038 { 0x06, 0xebdb },
2039 { 0x06, 0x19b2 },
2040 { 0x06, 0xfbff },
2041 { 0x06, 0xfefd },
2042 { 0x06, 0x04f8 },
2043 { 0x06, 0xe0f8 },
2044 { 0x06, 0x48e1 },
2045 { 0x06, 0xf849 },
2046 { 0x06, 0x6808 },
2047 { 0x06, 0xe4f8 },
2048 { 0x06, 0x48e5 },
2049 { 0x06, 0xf849 },
2050 { 0x06, 0x58f7 },
2051 { 0x06, 0xe4f8 },
2052 { 0x06, 0x48e5 },
2053 { 0x06, 0xf849 },
2054 { 0x06, 0xfc04 },
2055 { 0x06, 0x4d20 },
2056 { 0x06, 0x0002 },
2057 { 0x06, 0x4e22 },
2058 { 0x06, 0x0002 },
2059 { 0x06, 0x4ddf },
2060 { 0x06, 0xff01 },
2061 { 0x06, 0x4edd },
2062 { 0x06, 0xff01 },
2063 { 0x05, 0x83d4 },
2064 { 0x06, 0x8000 },
2065 { 0x05, 0x83d8 },
2066 { 0x06, 0x8051 },
2067 { 0x02, 0x6010 },
2068 { 0x03, 0xdc00 },
2069 { 0x05, 0xfff6 },
2070 { 0x06, 0x00fc },
2071 { 0x1f, 0x0000 },
2072
2073 { 0x1f, 0x0000 },
2074 { 0x0d, 0xf880 },
2075 { 0x1f, 0x0000 }
2076 };
2077
2078 rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2079
2080 mdio_write(ioaddr, 0x1f, 0x0002);
2081 mdio_plus_minus(ioaddr, 0x0b, 0x0010, 0x00ef);
2082 mdio_plus_minus(ioaddr, 0x0c, 0xa200, 0x5d00);
2083
2084 rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1));
2085
2086 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2087 static const struct phy_reg phy_reg_init[] = {
2088 { 0x1f, 0x0002 },
2089 { 0x05, 0x669a },
2090 { 0x1f, 0x0005 },
2091 { 0x05, 0x8330 },
2092 { 0x06, 0x669a },
2093 { 0x1f, 0x0002 }
2094 };
2095 int val;
2096
2097 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2098
2099 val = mdio_read(ioaddr, 0x0d);
2100
2101 if ((val & 0x00ff) != 0x006c) {
2102 static const u32 set[] = {
2103 0x0065, 0x0066, 0x0067, 0x0068,
2104 0x0069, 0x006a, 0x006b, 0x006c
2105 };
2106 int i;
2107
2108 mdio_write(ioaddr, 0x1f, 0x0002);
2109
2110 val &= 0xff00;
2111 for (i = 0; i < ARRAY_SIZE(set); i++)
2112 mdio_write(ioaddr, 0x0d, val | set[i]);
2113 }
2114 } else {
2115 static const struct phy_reg phy_reg_init[] = {
2116 { 0x1f, 0x0002 },
2117 { 0x05, 0x6662 },
2118 { 0x1f, 0x0005 },
2119 { 0x05, 0x8330 },
2120 { 0x06, 0x6662 }
2121 };
2122
2123 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2124 }
2125
2126 mdio_write(ioaddr, 0x1f, 0x0002);
2127 mdio_patch(ioaddr, 0x0d, 0x0300);
2128 mdio_patch(ioaddr, 0x0f, 0x0010);
2129
2130 mdio_write(ioaddr, 0x1f, 0x0002);
2131 mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600);
2132 mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000);
2133
2134 rtl_phy_write(ioaddr, phy_reg_init_2, ARRAY_SIZE(phy_reg_init_2));
2135 }
2136
2137 static void rtl8168d_2_hw_phy_config(void __iomem *ioaddr)
2138 {
2139 static const struct phy_reg phy_reg_init_0[] = {
2140 { 0x1f, 0x0001 },
2141 { 0x06, 0x4064 },
2142 { 0x07, 0x2863 },
2143 { 0x08, 0x059c },
2144 { 0x09, 0x26b4 },
2145 { 0x0a, 0x6a19 },
2146 { 0x0b, 0xdcc8 },
2147 { 0x10, 0xf06d },
2148 { 0x14, 0x7f68 },
2149 { 0x18, 0x7fd9 },
2150 { 0x1c, 0xf0ff },
2151 { 0x1d, 0x3d9c },
2152 { 0x1f, 0x0003 },
2153 { 0x12, 0xf49f },
2154 { 0x13, 0x070b },
2155 { 0x1a, 0x05ad },
2156 { 0x14, 0x94c0 },
2157
2158 { 0x1f, 0x0002 },
2159 { 0x06, 0x5561 },
2160 { 0x1f, 0x0005 },
2161 { 0x05, 0x8332 },
2162 { 0x06, 0x5561 }
2163 };
2164 static const struct phy_reg phy_reg_init_1[] = {
2165 { 0x1f, 0x0005 },
2166 { 0x05, 0xffc2 },
2167 { 0x1f, 0x0005 },
2168 { 0x05, 0x8000 },
2169 { 0x06, 0xf8f9 },
2170 { 0x06, 0xfaee },
2171 { 0x06, 0xf8ea },
2172 { 0x06, 0x00ee },
2173 { 0x06, 0xf8eb },
2174 { 0x06, 0x00e2 },
2175 { 0x06, 0xf87c },
2176 { 0x06, 0xe3f8 },
2177 { 0x06, 0x7da5 },
2178 { 0x06, 0x1111 },
2179 { 0x06, 0x12d2 },
2180 { 0x06, 0x40d6 },
2181 { 0x06, 0x4444 },
2182 { 0x06, 0x0281 },
2183 { 0x06, 0xc6d2 },
2184 { 0x06, 0xa0d6 },
2185 { 0x06, 0xaaaa },
2186 { 0x06, 0x0281 },
2187 { 0x06, 0xc6ae },
2188 { 0x06, 0x0fa5 },
2189 { 0x06, 0x4444 },
2190 { 0x06, 0x02ae },
2191 { 0x06, 0x4da5 },
2192 { 0x06, 0xaaaa },
2193 { 0x06, 0x02ae },
2194 { 0x06, 0x47af },
2195 { 0x06, 0x81c2 },
2196 { 0x06, 0xee83 },
2197 { 0x06, 0x4e00 },
2198 { 0x06, 0xee83 },
2199 { 0x06, 0x4d0f },
2200 { 0x06, 0xee83 },
2201 { 0x06, 0x4c0f },
2202 { 0x06, 0xee83 },
2203 { 0x06, 0x4f00 },
2204 { 0x06, 0xee83 },
2205 { 0x06, 0x5100 },
2206 { 0x06, 0xee83 },
2207 { 0x06, 0x4aff },
2208 { 0x06, 0xee83 },
2209 { 0x06, 0x4bff },
2210 { 0x06, 0xe083 },
2211 { 0x06, 0x30e1 },
2212 { 0x06, 0x8331 },
2213 { 0x06, 0x58fe },
2214 { 0x06, 0xe4f8 },
2215 { 0x06, 0x8ae5 },
2216 { 0x06, 0xf88b },
2217 { 0x06, 0xe083 },
2218 { 0x06, 0x32e1 },
2219 { 0x06, 0x8333 },
2220 { 0x06, 0x590f },
2221 { 0x06, 0xe283 },
2222 { 0x06, 0x4d0c },
2223 { 0x06, 0x245a },
2224 { 0x06, 0xf01e },
2225 { 0x06, 0x12e4 },
2226 { 0x06, 0xf88c },
2227 { 0x06, 0xe5f8 },
2228 { 0x06, 0x8daf },
2229 { 0x06, 0x81c2 },
2230 { 0x06, 0xe083 },
2231 { 0x06, 0x4f10 },
2232 { 0x06, 0xe483 },
2233 { 0x06, 0x4fe0 },
2234 { 0x06, 0x834e },
2235 { 0x06, 0x7800 },
2236 { 0x06, 0x9f0a },
2237 { 0x06, 0xe083 },
2238 { 0x06, 0x4fa0 },
2239 { 0x06, 0x10a5 },
2240 { 0x06, 0xee83 },
2241 { 0x06, 0x4e01 },
2242 { 0x06, 0xe083 },
2243 { 0x06, 0x4e78 },
2244 { 0x06, 0x059e },
2245 { 0x06, 0x9ae0 },
2246 { 0x06, 0x834e },
2247 { 0x06, 0x7804 },
2248 { 0x06, 0x9e10 },
2249 { 0x06, 0xe083 },
2250 { 0x06, 0x4e78 },
2251 { 0x06, 0x039e },
2252 { 0x06, 0x0fe0 },
2253 { 0x06, 0x834e },
2254 { 0x06, 0x7801 },
2255 { 0x06, 0x9e05 },
2256 { 0x06, 0xae0c },
2257 { 0x06, 0xaf81 },
2258 { 0x06, 0xa7af },
2259 { 0x06, 0x8152 },
2260 { 0x06, 0xaf81 },
2261 { 0x06, 0x8baf },
2262 { 0x06, 0x81c2 },
2263 { 0x06, 0xee83 },
2264 { 0x06, 0x4800 },
2265 { 0x06, 0xee83 },
2266 { 0x06, 0x4900 },
2267 { 0x06, 0xe083 },
2268 { 0x06, 0x5110 },
2269 { 0x06, 0xe483 },
2270 { 0x06, 0x5158 },
2271 { 0x06, 0x019f },
2272 { 0x06, 0xead0 },
2273 { 0x06, 0x00d1 },
2274 { 0x06, 0x801f },
2275 { 0x06, 0x66e2 },
2276 { 0x06, 0xf8ea },
2277 { 0x06, 0xe3f8 },
2278 { 0x06, 0xeb5a },
2279 { 0x06, 0xf81e },
2280 { 0x06, 0x20e6 },
2281 { 0x06, 0xf8ea },
2282 { 0x06, 0xe5f8 },
2283 { 0x06, 0xebd3 },
2284 { 0x06, 0x02b3 },
2285 { 0x06, 0xfee2 },
2286 { 0x06, 0xf87c },
2287 { 0x06, 0xef32 },
2288 { 0x06, 0x5b80 },
2289 { 0x06, 0xe3f8 },
2290 { 0x06, 0x7d9e },
2291 { 0x06, 0x037d },
2292 { 0x06, 0xffff },
2293 { 0x06, 0x0d58 },
2294 { 0x06, 0x1c55 },
2295 { 0x06, 0x1a65 },
2296 { 0x06, 0x11a1 },
2297 { 0x06, 0x90d3 },
2298 { 0x06, 0xe283 },
2299 { 0x06, 0x48e3 },
2300 { 0x06, 0x8349 },
2301 { 0x06, 0x1b56 },
2302 { 0x06, 0xab08 },
2303 { 0x06, 0xef56 },
2304 { 0x06, 0xe683 },
2305 { 0x06, 0x48e7 },
2306 { 0x06, 0x8349 },
2307 { 0x06, 0x10d1 },
2308 { 0x06, 0x801f },
2309 { 0x06, 0x66a0 },
2310 { 0x06, 0x04b9 },
2311 { 0x06, 0xe283 },
2312 { 0x06, 0x48e3 },
2313 { 0x06, 0x8349 },
2314 { 0x06, 0xef65 },
2315 { 0x06, 0xe283 },
2316 { 0x06, 0x4ae3 },
2317 { 0x06, 0x834b },
2318 { 0x06, 0x1b56 },
2319 { 0x06, 0xaa0e },
2320 { 0x06, 0xef56 },
2321 { 0x06, 0xe683 },
2322 { 0x06, 0x4ae7 },
2323 { 0x06, 0x834b },
2324 { 0x06, 0xe283 },
2325 { 0x06, 0x4de6 },
2326 { 0x06, 0x834c },
2327 { 0x06, 0xe083 },
2328 { 0x06, 0x4da0 },
2329 { 0x06, 0x000c },
2330 { 0x06, 0xaf81 },
2331 { 0x06, 0x8be0 },
2332 { 0x06, 0x834d },
2333 { 0x06, 0x10e4 },
2334 { 0x06, 0x834d },
2335 { 0x06, 0xae04 },
2336 { 0x06, 0x80e4 },
2337 { 0x06, 0x834d },
2338 { 0x06, 0xe083 },
2339 { 0x06, 0x4e78 },
2340 { 0x06, 0x039e },
2341 { 0x06, 0x0be0 },
2342 { 0x06, 0x834e },
2343 { 0x06, 0x7804 },
2344 { 0x06, 0x9e04 },
2345 { 0x06, 0xee83 },
2346 { 0x06, 0x4e02 },
2347 { 0x06, 0xe083 },
2348 { 0x06, 0x32e1 },
2349 { 0x06, 0x8333 },
2350 { 0x06, 0x590f },
2351 { 0x06, 0xe283 },
2352 { 0x06, 0x4d0c },
2353 { 0x06, 0x245a },
2354 { 0x06, 0xf01e },
2355 { 0x06, 0x12e4 },
2356 { 0x06, 0xf88c },
2357 { 0x06, 0xe5f8 },
2358 { 0x06, 0x8de0 },
2359 { 0x06, 0x8330 },
2360 { 0x06, 0xe183 },
2361 { 0x06, 0x3168 },
2362 { 0x06, 0x01e4 },
2363 { 0x06, 0xf88a },
2364 { 0x06, 0xe5f8 },
2365 { 0x06, 0x8bae },
2366 { 0x06, 0x37ee },
2367 { 0x06, 0x834e },
2368 { 0x06, 0x03e0 },
2369 { 0x06, 0x834c },
2370 { 0x06, 0xe183 },
2371 { 0x06, 0x4d1b },
2372 { 0x06, 0x019e },
2373 { 0x06, 0x04aa },
2374 { 0x06, 0xa1ae },
2375 { 0x06, 0xa8ee },
2376 { 0x06, 0x834e },
2377 { 0x06, 0x04ee },
2378 { 0x06, 0x834f },
2379 { 0x06, 0x00ae },
2380 { 0x06, 0xabe0 },
2381 { 0x06, 0x834f },
2382 { 0x06, 0x7803 },
2383 { 0x06, 0x9f14 },
2384 { 0x06, 0xee83 },
2385 { 0x06, 0x4e05 },
2386 { 0x06, 0xd240 },
2387 { 0x06, 0xd655 },
2388 { 0x06, 0x5402 },
2389 { 0x06, 0x81c6 },
2390 { 0x06, 0xd2a0 },
2391 { 0x06, 0xd6ba },
2392 { 0x06, 0x0002 },
2393 { 0x06, 0x81c6 },
2394 { 0x06, 0xfefd },
2395 { 0x06, 0xfc05 },
2396 { 0x06, 0xf8e0 },
2397 { 0x06, 0xf860 },
2398 { 0x06, 0xe1f8 },
2399 { 0x06, 0x6168 },
2400 { 0x06, 0x02e4 },
2401 { 0x06, 0xf860 },
2402 { 0x06, 0xe5f8 },
2403 { 0x06, 0x61e0 },
2404 { 0x06, 0xf848 },
2405 { 0x06, 0xe1f8 },
2406 { 0x06, 0x4958 },
2407 { 0x06, 0x0f1e },
2408 { 0x06, 0x02e4 },
2409 { 0x06, 0xf848 },
2410 { 0x06, 0xe5f8 },
2411 { 0x06, 0x49d0 },
2412 { 0x06, 0x0002 },
2413 { 0x06, 0x820a },
2414 { 0x06, 0xbf83 },
2415 { 0x06, 0x50ef },
2416 { 0x06, 0x46dc },
2417 { 0x06, 0x19dd },
2418 { 0x06, 0xd001 },
2419 { 0x06, 0x0282 },
2420 { 0x06, 0x0a02 },
2421 { 0x06, 0x8226 },
2422 { 0x06, 0xe0f8 },
2423 { 0x06, 0x60e1 },
2424 { 0x06, 0xf861 },
2425 { 0x06, 0x58fd },
2426 { 0x06, 0xe4f8 },
2427 { 0x06, 0x60e5 },
2428 { 0x06, 0xf861 },
2429 { 0x06, 0xfc04 },
2430 { 0x06, 0xf9fa },
2431 { 0x06, 0xfbc6 },
2432 { 0x06, 0xbff8 },
2433 { 0x06, 0x40be },
2434 { 0x06, 0x8350 },
2435 { 0x06, 0xa001 },
2436 { 0x06, 0x0107 },
2437 { 0x06, 0x1b89 },
2438 { 0x06, 0xcfd2 },
2439 { 0x06, 0x08eb },
2440 { 0x06, 0xdb19 },
2441 { 0x06, 0xb2fb },
2442 { 0x06, 0xfffe },
2443 { 0x06, 0xfd04 },
2444 { 0x06, 0xf8e0 },
2445 { 0x06, 0xf848 },
2446 { 0x06, 0xe1f8 },
2447 { 0x06, 0x4968 },
2448 { 0x06, 0x08e4 },
2449 { 0x06, 0xf848 },
2450 { 0x06, 0xe5f8 },
2451 { 0x06, 0x4958 },
2452 { 0x06, 0xf7e4 },
2453 { 0x06, 0xf848 },
2454 { 0x06, 0xe5f8 },
2455 { 0x06, 0x49fc },
2456 { 0x06, 0x044d },
2457 { 0x06, 0x2000 },
2458 { 0x06, 0x024e },
2459 { 0x06, 0x2200 },
2460 { 0x06, 0x024d },
2461 { 0x06, 0xdfff },
2462 { 0x06, 0x014e },
2463 { 0x06, 0xddff },
2464 { 0x06, 0x0100 },
2465 { 0x05, 0x83d8 },
2466 { 0x06, 0x8000 },
2467 { 0x03, 0xdc00 },
2468 { 0x05, 0xfff6 },
2469 { 0x06, 0x00fc },
2470 { 0x1f, 0x0000 },
2471
2472 { 0x1f, 0x0000 },
2473 { 0x0d, 0xf880 },
2474 { 0x1f, 0x0000 }
2475 };
2476
2477 rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2478
2479 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2480 static const struct phy_reg phy_reg_init[] = {
2481 { 0x1f, 0x0002 },
2482 { 0x05, 0x669a },
2483 { 0x1f, 0x0005 },
2484 { 0x05, 0x8330 },
2485 { 0x06, 0x669a },
2486
2487 { 0x1f, 0x0002 }
2488 };
2489 int val;
2490
2491 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2492
2493 val = mdio_read(ioaddr, 0x0d);
2494 if ((val & 0x00ff) != 0x006c) {
2495 u32 set[] = {
2496 0x0065, 0x0066, 0x0067, 0x0068,
2497 0x0069, 0x006a, 0x006b, 0x006c
2498 };
2499 int i;
2500
2501 mdio_write(ioaddr, 0x1f, 0x0002);
2502
2503 val &= 0xff00;
2504 for (i = 0; i < ARRAY_SIZE(set); i++)
2505 mdio_write(ioaddr, 0x0d, val | set[i]);
2506 }
2507 } else {
2508 static const struct phy_reg phy_reg_init[] = {
2509 { 0x1f, 0x0002 },
2510 { 0x05, 0x2642 },
2511 { 0x1f, 0x0005 },
2512 { 0x05, 0x8330 },
2513 { 0x06, 0x2642 }
2514 };
2515
2516 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2517 }
2518
2519 mdio_write(ioaddr, 0x1f, 0x0002);
2520 mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600);
2521 mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000);
2522
2523 mdio_write(ioaddr, 0x1f, 0x0001);
2524 mdio_write(ioaddr, 0x17, 0x0cc0);
2525
2526 mdio_write(ioaddr, 0x1f, 0x0002);
2527 mdio_patch(ioaddr, 0x0f, 0x0017);
2528
2529 rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1));
2530 }
2531
2532 static void rtl8168d_3_hw_phy_config(void __iomem *ioaddr)
2533 {
2534 static const struct phy_reg phy_reg_init[] = {
2535 { 0x1f, 0x0002 },
2536 { 0x10, 0x0008 },
2537 { 0x0d, 0x006c },
2538
2539 { 0x1f, 0x0000 },
2540 { 0x0d, 0xf880 },
2541
2542 { 0x1f, 0x0001 },
2543 { 0x17, 0x0cc0 },
2544
2545 { 0x1f, 0x0001 },
2546 { 0x0b, 0xa4d8 },
2547 { 0x09, 0x281c },
2548 { 0x07, 0x2883 },
2549 { 0x0a, 0x6b35 },
2550 { 0x1d, 0x3da4 },
2551 { 0x1c, 0xeffd },
2552 { 0x14, 0x7f52 },
2553 { 0x18, 0x7fc6 },
2554 { 0x08, 0x0601 },
2555 { 0x06, 0x4063 },
2556 { 0x10, 0xf074 },
2557 { 0x1f, 0x0003 },
2558 { 0x13, 0x0789 },
2559 { 0x12, 0xf4bd },
2560 { 0x1a, 0x04fd },
2561 { 0x14, 0x84b0 },
2562 { 0x1f, 0x0000 },
2563 { 0x00, 0x9200 },
2564
2565 { 0x1f, 0x0005 },
2566 { 0x01, 0x0340 },
2567 { 0x1f, 0x0001 },
2568 { 0x04, 0x4000 },
2569 { 0x03, 0x1d21 },
2570 { 0x02, 0x0c32 },
2571 { 0x01, 0x0200 },
2572 { 0x00, 0x5554 },
2573 { 0x04, 0x4800 },
2574 { 0x04, 0x4000 },
2575 { 0x04, 0xf000 },
2576 { 0x03, 0xdf01 },
2577 { 0x02, 0xdf20 },
2578 { 0x01, 0x101a },
2579 { 0x00, 0xa0ff },
2580 { 0x04, 0xf800 },
2581 { 0x04, 0xf000 },
2582 { 0x1f, 0x0000 },
2583
2584 { 0x1f, 0x0007 },
2585 { 0x1e, 0x0023 },
2586 { 0x16, 0x0000 },
2587 { 0x1f, 0x0000 }
2588 };
2589
2590 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2591 }
2592
2593 static void rtl8102e_hw_phy_config(void __iomem *ioaddr)
2594 {
2595 static const struct phy_reg phy_reg_init[] = {
2596 { 0x1f, 0x0003 },
2597 { 0x08, 0x441d },
2598 { 0x01, 0x9100 },
2599 { 0x1f, 0x0000 }
2600 };
2601
2602 mdio_write(ioaddr, 0x1f, 0x0000);
2603 mdio_patch(ioaddr, 0x11, 1 << 12);
2604 mdio_patch(ioaddr, 0x19, 1 << 13);
2605 mdio_patch(ioaddr, 0x10, 1 << 15);
2606
2607 rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2608 }
2609
2610 static void rtl_hw_phy_config(struct net_device *dev)
2611 {
2612 struct rtl8169_private *tp = netdev_priv(dev);
2613 void __iomem *ioaddr = tp->mmio_addr;
2614
2615 rtl8169_print_mac_version(tp);
2616
2617 switch (tp->mac_version) {
2618 case RTL_GIGA_MAC_VER_01:
2619 break;
2620 case RTL_GIGA_MAC_VER_02:
2621 case RTL_GIGA_MAC_VER_03:
2622 rtl8169s_hw_phy_config(ioaddr);
2623 break;
2624 case RTL_GIGA_MAC_VER_04:
2625 rtl8169sb_hw_phy_config(ioaddr);
2626 break;
2627 case RTL_GIGA_MAC_VER_05:
2628 rtl8169scd_hw_phy_config(tp, ioaddr);
2629 break;
2630 case RTL_GIGA_MAC_VER_06:
2631 rtl8169sce_hw_phy_config(ioaddr);
2632 break;
2633 case RTL_GIGA_MAC_VER_07:
2634 case RTL_GIGA_MAC_VER_08:
2635 case RTL_GIGA_MAC_VER_09:
2636 rtl8102e_hw_phy_config(ioaddr);
2637 break;
2638 case RTL_GIGA_MAC_VER_11:
2639 rtl8168bb_hw_phy_config(ioaddr);
2640 break;
2641 case RTL_GIGA_MAC_VER_12:
2642 rtl8168bef_hw_phy_config(ioaddr);
2643 break;
2644 case RTL_GIGA_MAC_VER_17:
2645 rtl8168bef_hw_phy_config(ioaddr);
2646 break;
2647 case RTL_GIGA_MAC_VER_18:
2648 rtl8168cp_1_hw_phy_config(ioaddr);
2649 break;
2650 case RTL_GIGA_MAC_VER_19:
2651 rtl8168c_1_hw_phy_config(ioaddr);
2652 break;
2653 case RTL_GIGA_MAC_VER_20:
2654 rtl8168c_2_hw_phy_config(ioaddr);
2655 break;
2656 case RTL_GIGA_MAC_VER_21:
2657 rtl8168c_3_hw_phy_config(ioaddr);
2658 break;
2659 case RTL_GIGA_MAC_VER_22:
2660 rtl8168c_4_hw_phy_config(ioaddr);
2661 break;
2662 case RTL_GIGA_MAC_VER_23:
2663 case RTL_GIGA_MAC_VER_24:
2664 rtl8168cp_2_hw_phy_config(ioaddr);
2665 break;
2666 case RTL_GIGA_MAC_VER_25:
2667 rtl8168d_1_hw_phy_config(ioaddr);
2668 break;
2669 case RTL_GIGA_MAC_VER_26:
2670 rtl8168d_2_hw_phy_config(ioaddr);
2671 break;
2672 case RTL_GIGA_MAC_VER_27:
2673 rtl8168d_3_hw_phy_config(ioaddr);
2674 break;
2675
2676 default:
2677 break;
2678 }
2679 }
2680
2681 static void rtl8169_phy_timer(unsigned long __opaque)
2682 {
2683 struct net_device *dev = (struct net_device *)__opaque;
2684 struct rtl8169_private *tp = netdev_priv(dev);
2685 struct timer_list *timer = &tp->timer;
2686 void __iomem *ioaddr = tp->mmio_addr;
2687 unsigned long timeout = RTL8169_PHY_TIMEOUT;
2688
2689 assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
2690
2691 if (!(tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL))
2692 return;
2693
2694 spin_lock_irq(&tp->lock);
2695
2696 if (tp->phy_reset_pending(ioaddr)) {
2697 /*
2698 * A busy loop could burn quite a few cycles on nowadays CPU.
2699 * Let's delay the execution of the timer for a few ticks.
2700 */
2701 timeout = HZ/10;
2702 goto out_mod_timer;
2703 }
2704
2705 if (tp->link_ok(ioaddr))
2706 goto out_unlock;
2707
2708 netif_warn(tp, link, dev, "PHY reset until link up\n");
2709
2710 tp->phy_reset_enable(ioaddr);
2711
2712 out_mod_timer:
2713 mod_timer(timer, jiffies + timeout);
2714 out_unlock:
2715 spin_unlock_irq(&tp->lock);
2716 }
2717
2718 static inline void rtl8169_delete_timer(struct net_device *dev)
2719 {
2720 struct rtl8169_private *tp = netdev_priv(dev);
2721 struct timer_list *timer = &tp->timer;
2722
2723 if (tp->mac_version <= RTL_GIGA_MAC_VER_01)
2724 return;
2725
2726 del_timer_sync(timer);
2727 }
2728
2729 static inline void rtl8169_request_timer(struct net_device *dev)
2730 {
2731 struct rtl8169_private *tp = netdev_priv(dev);
2732 struct timer_list *timer = &tp->timer;
2733
2734 if (tp->mac_version <= RTL_GIGA_MAC_VER_01)
2735 return;
2736
2737 mod_timer(timer, jiffies + RTL8169_PHY_TIMEOUT);
2738 }
2739
2740 #ifdef CONFIG_NET_POLL_CONTROLLER
2741 /*
2742 * Polling 'interrupt' - used by things like netconsole to send skbs
2743 * without having to re-enable interrupts. It's not called while
2744 * the interrupt routine is executing.
2745 */
2746 static void rtl8169_netpoll(struct net_device *dev)
2747 {
2748 struct rtl8169_private *tp = netdev_priv(dev);
2749 struct pci_dev *pdev = tp->pci_dev;
2750
2751 disable_irq(pdev->irq);
2752 rtl8169_interrupt(pdev->irq, dev);
2753 enable_irq(pdev->irq);
2754 }
2755 #endif
2756
2757 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
2758 void __iomem *ioaddr)
2759 {
2760 iounmap(ioaddr);
2761 pci_release_regions(pdev);
2762 pci_disable_device(pdev);
2763 free_netdev(dev);
2764 }
2765
2766 static void rtl8169_phy_reset(struct net_device *dev,
2767 struct rtl8169_private *tp)
2768 {
2769 void __iomem *ioaddr = tp->mmio_addr;
2770 unsigned int i;
2771
2772 tp->phy_reset_enable(ioaddr);
2773 for (i = 0; i < 100; i++) {
2774 if (!tp->phy_reset_pending(ioaddr))
2775 return;
2776 msleep(1);
2777 }
2778 netif_err(tp, link, dev, "PHY reset failed\n");
2779 }
2780
2781 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
2782 {
2783 void __iomem *ioaddr = tp->mmio_addr;
2784
2785 rtl_hw_phy_config(dev);
2786
2787 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
2788 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
2789 RTL_W8(0x82, 0x01);
2790 }
2791
2792 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
2793
2794 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
2795 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
2796
2797 if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
2798 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
2799 RTL_W8(0x82, 0x01);
2800 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
2801 mdio_write(ioaddr, 0x0b, 0x0000); //w 0x0b 15 0 0
2802 }
2803
2804 rtl8169_phy_reset(dev, tp);
2805
2806 /*
2807 * rtl8169_set_speed_xmii takes good care of the Fast Ethernet
2808 * only 8101. Don't panic.
2809 */
2810 rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL);
2811
2812 if (RTL_R8(PHYstatus) & TBI_Enable)
2813 netif_info(tp, link, dev, "TBI auto-negotiating\n");
2814 }
2815
2816 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
2817 {
2818 void __iomem *ioaddr = tp->mmio_addr;
2819 u32 high;
2820 u32 low;
2821
2822 low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2823 high = addr[4] | (addr[5] << 8);
2824
2825 spin_lock_irq(&tp->lock);
2826
2827 RTL_W8(Cfg9346, Cfg9346_Unlock);
2828 RTL_W32(MAC4, high);
2829 RTL_W32(MAC0, low);
2830 RTL_W8(Cfg9346, Cfg9346_Lock);
2831
2832 spin_unlock_irq(&tp->lock);
2833 }
2834
2835 static int rtl_set_mac_address(struct net_device *dev, void *p)
2836 {
2837 struct rtl8169_private *tp = netdev_priv(dev);
2838 struct sockaddr *addr = p;
2839
2840 if (!is_valid_ether_addr(addr->sa_data))
2841 return -EADDRNOTAVAIL;
2842
2843 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
2844
2845 rtl_rar_set(tp, dev->dev_addr);
2846
2847 return 0;
2848 }
2849
2850 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
2851 {
2852 struct rtl8169_private *tp = netdev_priv(dev);
2853 struct mii_ioctl_data *data = if_mii(ifr);
2854
2855 return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
2856 }
2857
2858 static int rtl_xmii_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
2859 {
2860 switch (cmd) {
2861 case SIOCGMIIPHY:
2862 data->phy_id = 32; /* Internal PHY */
2863 return 0;
2864
2865 case SIOCGMIIREG:
2866 data->val_out = mdio_read(tp->mmio_addr, data->reg_num & 0x1f);
2867 return 0;
2868
2869 case SIOCSMIIREG:
2870 mdio_write(tp->mmio_addr, data->reg_num & 0x1f, data->val_in);
2871 return 0;
2872 }
2873 return -EOPNOTSUPP;
2874 }
2875
2876 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
2877 {
2878 return -EOPNOTSUPP;
2879 }
2880
2881 static const struct rtl_cfg_info {
2882 void (*hw_start)(struct net_device *);
2883 unsigned int region;
2884 unsigned int align;
2885 u16 intr_event;
2886 u16 napi_event;
2887 unsigned features;
2888 u8 default_ver;
2889 } rtl_cfg_infos [] = {
2890 [RTL_CFG_0] = {
2891 .hw_start = rtl_hw_start_8169,
2892 .region = 1,
2893 .align = 0,
2894 .intr_event = SYSErr | LinkChg | RxOverflow |
2895 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
2896 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
2897 .features = RTL_FEATURE_GMII,
2898 .default_ver = RTL_GIGA_MAC_VER_01,
2899 },
2900 [RTL_CFG_1] = {
2901 .hw_start = rtl_hw_start_8168,
2902 .region = 2,
2903 .align = 8,
2904 .intr_event = SYSErr | LinkChg | RxOverflow |
2905 TxErr | TxOK | RxOK | RxErr,
2906 .napi_event = TxErr | TxOK | RxOK | RxOverflow,
2907 .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
2908 .default_ver = RTL_GIGA_MAC_VER_11,
2909 },
2910 [RTL_CFG_2] = {
2911 .hw_start = rtl_hw_start_8101,
2912 .region = 2,
2913 .align = 8,
2914 .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout |
2915 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
2916 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
2917 .features = RTL_FEATURE_MSI,
2918 .default_ver = RTL_GIGA_MAC_VER_13,
2919 }
2920 };
2921
2922 /* Cfg9346_Unlock assumed. */
2923 static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
2924 const struct rtl_cfg_info *cfg)
2925 {
2926 unsigned msi = 0;
2927 u8 cfg2;
2928
2929 cfg2 = RTL_R8(Config2) & ~MSIEnable;
2930 if (cfg->features & RTL_FEATURE_MSI) {
2931 if (pci_enable_msi(pdev)) {
2932 dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
2933 } else {
2934 cfg2 |= MSIEnable;
2935 msi = RTL_FEATURE_MSI;
2936 }
2937 }
2938 RTL_W8(Config2, cfg2);
2939 return msi;
2940 }
2941
2942 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
2943 {
2944 if (tp->features & RTL_FEATURE_MSI) {
2945 pci_disable_msi(pdev);
2946 tp->features &= ~RTL_FEATURE_MSI;
2947 }
2948 }
2949
2950 static const struct net_device_ops rtl8169_netdev_ops = {
2951 .ndo_open = rtl8169_open,
2952 .ndo_stop = rtl8169_close,
2953 .ndo_get_stats = rtl8169_get_stats,
2954 .ndo_start_xmit = rtl8169_start_xmit,
2955 .ndo_tx_timeout = rtl8169_tx_timeout,
2956 .ndo_validate_addr = eth_validate_addr,
2957 .ndo_change_mtu = rtl8169_change_mtu,
2958 .ndo_set_mac_address = rtl_set_mac_address,
2959 .ndo_do_ioctl = rtl8169_ioctl,
2960 .ndo_set_multicast_list = rtl_set_rx_mode,
2961 #ifdef CONFIG_R8169_VLAN
2962 .ndo_vlan_rx_register = rtl8169_vlan_rx_register,
2963 #endif
2964 #ifdef CONFIG_NET_POLL_CONTROLLER
2965 .ndo_poll_controller = rtl8169_netpoll,
2966 #endif
2967
2968 };
2969
2970 static int __devinit
2971 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
2972 {
2973 const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
2974 const unsigned int region = cfg->region;
2975 struct rtl8169_private *tp;
2976 struct mii_if_info *mii;
2977 struct net_device *dev;
2978 void __iomem *ioaddr;
2979 unsigned int i;
2980 int rc;
2981
2982 if (netif_msg_drv(&debug)) {
2983 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
2984 MODULENAME, RTL8169_VERSION);
2985 }
2986
2987 dev = alloc_etherdev(sizeof (*tp));
2988 if (!dev) {
2989 if (netif_msg_drv(&debug))
2990 dev_err(&pdev->dev, "unable to alloc new ethernet\n");
2991 rc = -ENOMEM;
2992 goto out;
2993 }
2994
2995 SET_NETDEV_DEV(dev, &pdev->dev);
2996 dev->netdev_ops = &rtl8169_netdev_ops;
2997 tp = netdev_priv(dev);
2998 tp->dev = dev;
2999 tp->pci_dev = pdev;
3000 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
3001
3002 mii = &tp->mii;
3003 mii->dev = dev;
3004 mii->mdio_read = rtl_mdio_read;
3005 mii->mdio_write = rtl_mdio_write;
3006 mii->phy_id_mask = 0x1f;
3007 mii->reg_num_mask = 0x1f;
3008 mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
3009
3010 /* enable device (incl. PCI PM wakeup and hotplug setup) */
3011 rc = pci_enable_device(pdev);
3012 if (rc < 0) {
3013 netif_err(tp, probe, dev, "enable failure\n");
3014 goto err_out_free_dev_1;
3015 }
3016
3017 rc = pci_set_mwi(pdev);
3018 if (rc < 0)
3019 goto err_out_disable_2;
3020
3021 /* make sure PCI base addr 1 is MMIO */
3022 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
3023 netif_err(tp, probe, dev,
3024 "region #%d not an MMIO resource, aborting\n",
3025 region);
3026 rc = -ENODEV;
3027 goto err_out_mwi_3;
3028 }
3029
3030 /* check for weird/broken PCI region reporting */
3031 if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
3032 netif_err(tp, probe, dev,
3033 "Invalid PCI region size(s), aborting\n");
3034 rc = -ENODEV;
3035 goto err_out_mwi_3;
3036 }
3037
3038 rc = pci_request_regions(pdev, MODULENAME);
3039 if (rc < 0) {
3040 netif_err(tp, probe, dev, "could not request regions\n");
3041 goto err_out_mwi_3;
3042 }
3043
3044 tp->cp_cmd = PCIMulRW | RxChkSum;
3045
3046 if ((sizeof(dma_addr_t) > 4) &&
3047 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
3048 tp->cp_cmd |= PCIDAC;
3049 dev->features |= NETIF_F_HIGHDMA;
3050 } else {
3051 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3052 if (rc < 0) {
3053 netif_err(tp, probe, dev, "DMA configuration failed\n");
3054 goto err_out_free_res_4;
3055 }
3056 }
3057
3058 /* ioremap MMIO region */
3059 ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
3060 if (!ioaddr) {
3061 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3062 rc = -EIO;
3063 goto err_out_free_res_4;
3064 }
3065
3066 tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
3067 if (!tp->pcie_cap)
3068 netif_info(tp, probe, dev, "no PCI Express capability\n");
3069
3070 RTL_W16(IntrMask, 0x0000);
3071
3072 /* Soft reset the chip. */
3073 RTL_W8(ChipCmd, CmdReset);
3074
3075 /* Check that the chip has finished the reset. */
3076 for (i = 0; i < 100; i++) {
3077 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3078 break;
3079 msleep_interruptible(1);
3080 }
3081
3082 RTL_W16(IntrStatus, 0xffff);
3083
3084 pci_set_master(pdev);
3085
3086 /* Identify chip attached to board */
3087 rtl8169_get_mac_version(tp, ioaddr);
3088
3089 /* Use appropriate default if unknown */
3090 if (tp->mac_version == RTL_GIGA_MAC_NONE) {
3091 netif_notice(tp, probe, dev,
3092 "unknown MAC, using family default\n");
3093 tp->mac_version = cfg->default_ver;
3094 }
3095
3096 rtl8169_print_mac_version(tp);
3097
3098 for (i = 0; i < ARRAY_SIZE(rtl_chip_info); i++) {
3099 if (tp->mac_version == rtl_chip_info[i].mac_version)
3100 break;
3101 }
3102 if (i == ARRAY_SIZE(rtl_chip_info)) {
3103 dev_err(&pdev->dev,
3104 "driver bug, MAC version not found in rtl_chip_info\n");
3105 goto err_out_msi_5;
3106 }
3107 tp->chipset = i;
3108
3109 RTL_W8(Cfg9346, Cfg9346_Unlock);
3110 RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
3111 RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
3112 if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
3113 tp->features |= RTL_FEATURE_WOL;
3114 if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
3115 tp->features |= RTL_FEATURE_WOL;
3116 tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
3117 RTL_W8(Cfg9346, Cfg9346_Lock);
3118
3119 if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
3120 (RTL_R8(PHYstatus) & TBI_Enable)) {
3121 tp->set_speed = rtl8169_set_speed_tbi;
3122 tp->get_settings = rtl8169_gset_tbi;
3123 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
3124 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
3125 tp->link_ok = rtl8169_tbi_link_ok;
3126 tp->do_ioctl = rtl_tbi_ioctl;
3127
3128 tp->phy_1000_ctrl_reg = ADVERTISE_1000FULL; /* Implied by TBI */
3129 } else {
3130 tp->set_speed = rtl8169_set_speed_xmii;
3131 tp->get_settings = rtl8169_gset_xmii;
3132 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
3133 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
3134 tp->link_ok = rtl8169_xmii_link_ok;
3135 tp->do_ioctl = rtl_xmii_ioctl;
3136 }
3137
3138 spin_lock_init(&tp->lock);
3139
3140 tp->mmio_addr = ioaddr;
3141
3142 /* Get MAC address */
3143 for (i = 0; i < MAC_ADDR_LEN; i++)
3144 dev->dev_addr[i] = RTL_R8(MAC0 + i);
3145 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
3146
3147 SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
3148 dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
3149 dev->irq = pdev->irq;
3150 dev->base_addr = (unsigned long) ioaddr;
3151
3152 netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
3153
3154 #ifdef CONFIG_R8169_VLAN
3155 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3156 #endif
3157
3158 tp->intr_mask = 0xffff;
3159 tp->align = cfg->align;
3160 tp->hw_start = cfg->hw_start;
3161 tp->intr_event = cfg->intr_event;
3162 tp->napi_event = cfg->napi_event;
3163
3164 init_timer(&tp->timer);
3165 tp->timer.data = (unsigned long) dev;
3166 tp->timer.function = rtl8169_phy_timer;
3167
3168 rc = register_netdev(dev);
3169 if (rc < 0)
3170 goto err_out_msi_5;
3171
3172 pci_set_drvdata(pdev, dev);
3173
3174 netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
3175 rtl_chip_info[tp->chipset].name,
3176 dev->base_addr, dev->dev_addr,
3177 (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
3178
3179 rtl8169_init_phy(dev, tp);
3180
3181 /*
3182 * Pretend we are using VLANs; This bypasses a nasty bug where
3183 * Interrupts stop flowing on high load on 8110SCd controllers.
3184 */
3185 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3186 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | RxVlan);
3187
3188 device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
3189
3190 out:
3191 return rc;
3192
3193 err_out_msi_5:
3194 rtl_disable_msi(pdev, tp);
3195 iounmap(ioaddr);
3196 err_out_free_res_4:
3197 pci_release_regions(pdev);
3198 err_out_mwi_3:
3199 pci_clear_mwi(pdev);
3200 err_out_disable_2:
3201 pci_disable_device(pdev);
3202 err_out_free_dev_1:
3203 free_netdev(dev);
3204 goto out;
3205 }
3206
3207 static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
3208 {
3209 struct net_device *dev = pci_get_drvdata(pdev);
3210 struct rtl8169_private *tp = netdev_priv(dev);
3211
3212 flush_scheduled_work();
3213
3214 unregister_netdev(dev);
3215
3216 /* restore original MAC address */
3217 rtl_rar_set(tp, dev->perm_addr);
3218
3219 rtl_disable_msi(pdev, tp);
3220 rtl8169_release_board(pdev, dev, tp->mmio_addr);
3221 pci_set_drvdata(pdev, NULL);
3222 }
3223
3224 static void rtl8169_set_rxbufsize(struct rtl8169_private *tp,
3225 unsigned int mtu)
3226 {
3227 unsigned int max_frame = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
3228
3229 if (max_frame != 16383)
3230 printk(KERN_WARNING PFX "WARNING! Changing of MTU on this "
3231 "NIC may lead to frame reception errors!\n");
3232
3233 tp->rx_buf_sz = (max_frame > RX_BUF_SIZE) ? max_frame : RX_BUF_SIZE;
3234 }
3235
3236 static int rtl8169_open(struct net_device *dev)
3237 {
3238 struct rtl8169_private *tp = netdev_priv(dev);
3239 struct pci_dev *pdev = tp->pci_dev;
3240 int retval = -ENOMEM;
3241
3242
3243 /*
3244 * Note that we use a magic value here, its wierd I know
3245 * its done because, some subset of rtl8169 hardware suffers from
3246 * a problem in which frames received that are longer than
3247 * the size set in RxMaxSize register return garbage sizes
3248 * when received. To avoid this we need to turn off filtering,
3249 * which is done by setting a value of 16383 in the RxMaxSize register
3250 * and allocating 16k frames to handle the largest possible rx value
3251 * thats what the magic math below does.
3252 */
3253 rtl8169_set_rxbufsize(tp, 16383 - VLAN_ETH_HLEN - ETH_FCS_LEN);
3254
3255 /*
3256 * Rx and Tx desscriptors needs 256 bytes alignment.
3257 * pci_alloc_consistent provides more.
3258 */
3259 tp->TxDescArray = pci_alloc_consistent(pdev, R8169_TX_RING_BYTES,
3260 &tp->TxPhyAddr);
3261 if (!tp->TxDescArray)
3262 goto out;
3263
3264 tp->RxDescArray = pci_alloc_consistent(pdev, R8169_RX_RING_BYTES,
3265 &tp->RxPhyAddr);
3266 if (!tp->RxDescArray)
3267 goto err_free_tx_0;
3268
3269 retval = rtl8169_init_ring(dev);
3270 if (retval < 0)
3271 goto err_free_rx_1;
3272
3273 INIT_DELAYED_WORK(&tp->task, NULL);
3274
3275 smp_mb();
3276
3277 retval = request_irq(dev->irq, rtl8169_interrupt,
3278 (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
3279 dev->name, dev);
3280 if (retval < 0)
3281 goto err_release_ring_2;
3282
3283 napi_enable(&tp->napi);
3284
3285 rtl_hw_start(dev);
3286
3287 rtl8169_request_timer(dev);
3288
3289 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
3290 out:
3291 return retval;
3292
3293 err_release_ring_2:
3294 rtl8169_rx_clear(tp);
3295 err_free_rx_1:
3296 pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray,
3297 tp->RxPhyAddr);
3298 err_free_tx_0:
3299 pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray,
3300 tp->TxPhyAddr);
3301 goto out;
3302 }
3303
3304 static void rtl8169_hw_reset(void __iomem *ioaddr)
3305 {
3306 /* Disable interrupts */
3307 rtl8169_irq_mask_and_ack(ioaddr);
3308
3309 /* Reset the chipset */
3310 RTL_W8(ChipCmd, CmdReset);
3311
3312 /* PCI commit */
3313 RTL_R8(ChipCmd);
3314 }
3315
3316 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
3317 {
3318 void __iomem *ioaddr = tp->mmio_addr;
3319 u32 cfg = rtl8169_rx_config;
3320
3321 cfg |= (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask);
3322 RTL_W32(RxConfig, cfg);
3323
3324 /* Set DMA burst size and Interframe Gap Time */
3325 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
3326 (InterFrameGap << TxInterFrameGapShift));
3327 }
3328
3329 static void rtl_hw_start(struct net_device *dev)
3330 {
3331 struct rtl8169_private *tp = netdev_priv(dev);
3332 void __iomem *ioaddr = tp->mmio_addr;
3333 unsigned int i;
3334
3335 /* Soft reset the chip. */
3336 RTL_W8(ChipCmd, CmdReset);
3337
3338 /* Check that the chip has finished the reset. */
3339 for (i = 0; i < 100; i++) {
3340 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3341 break;
3342 msleep_interruptible(1);
3343 }
3344
3345 tp->hw_start(dev);
3346
3347 netif_start_queue(dev);
3348 }
3349
3350
3351 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
3352 void __iomem *ioaddr)
3353 {
3354 /*
3355 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
3356 * register to be written before TxDescAddrLow to work.
3357 * Switching from MMIO to I/O access fixes the issue as well.
3358 */
3359 RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
3360 RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
3361 RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
3362 RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
3363 }
3364
3365 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
3366 {
3367 u16 cmd;
3368
3369 cmd = RTL_R16(CPlusCmd);
3370 RTL_W16(CPlusCmd, cmd);
3371 return cmd;
3372 }
3373
3374 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
3375 {
3376 /* Low hurts. Let's disable the filtering. */
3377 RTL_W16(RxMaxSize, rx_buf_sz + 1);
3378 }
3379
3380 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
3381 {
3382 static const struct {
3383 u32 mac_version;
3384 u32 clk;
3385 u32 val;
3386 } cfg2_info [] = {
3387 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
3388 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
3389 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
3390 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
3391 }, *p = cfg2_info;
3392 unsigned int i;
3393 u32 clk;
3394
3395 clk = RTL_R8(Config2) & PCI_Clock_66MHz;
3396 for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
3397 if ((p->mac_version == mac_version) && (p->clk == clk)) {
3398 RTL_W32(0x7c, p->val);
3399 break;
3400 }
3401 }
3402 }
3403
3404 static void rtl_hw_start_8169(struct net_device *dev)
3405 {
3406 struct rtl8169_private *tp = netdev_priv(dev);
3407 void __iomem *ioaddr = tp->mmio_addr;
3408 struct pci_dev *pdev = tp->pci_dev;
3409
3410 if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
3411 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
3412 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
3413 }
3414
3415 RTL_W8(Cfg9346, Cfg9346_Unlock);
3416 if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
3417 (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
3418 (tp->mac_version == RTL_GIGA_MAC_VER_03) ||
3419 (tp->mac_version == RTL_GIGA_MAC_VER_04))
3420 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3421
3422 RTL_W8(EarlyTxThres, EarlyTxThld);
3423
3424 rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz);
3425
3426 if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
3427 (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
3428 (tp->mac_version == RTL_GIGA_MAC_VER_03) ||
3429 (tp->mac_version == RTL_GIGA_MAC_VER_04))
3430 rtl_set_rx_tx_config_registers(tp);
3431
3432 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
3433
3434 if ((tp->mac_version == RTL_GIGA_MAC_VER_02) ||
3435 (tp->mac_version == RTL_GIGA_MAC_VER_03)) {
3436 dprintk("Set MAC Reg C+CR Offset 0xE0. "
3437 "Bit-3 and bit-14 MUST be 1\n");
3438 tp->cp_cmd |= (1 << 14);
3439 }
3440
3441 RTL_W16(CPlusCmd, tp->cp_cmd);
3442
3443 rtl8169_set_magic_reg(ioaddr, tp->mac_version);
3444
3445 /*
3446 * Undocumented corner. Supposedly:
3447 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
3448 */
3449 RTL_W16(IntrMitigate, 0x0000);
3450
3451 rtl_set_rx_tx_desc_registers(tp, ioaddr);
3452
3453 if ((tp->mac_version != RTL_GIGA_MAC_VER_01) &&
3454 (tp->mac_version != RTL_GIGA_MAC_VER_02) &&
3455 (tp->mac_version != RTL_GIGA_MAC_VER_03) &&
3456 (tp->mac_version != RTL_GIGA_MAC_VER_04)) {
3457 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3458 rtl_set_rx_tx_config_registers(tp);
3459 }
3460
3461 RTL_W8(Cfg9346, Cfg9346_Lock);
3462
3463 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
3464 RTL_R8(IntrMask);
3465
3466 RTL_W32(RxMissed, 0);
3467
3468 rtl_set_rx_mode(dev);
3469
3470 /* no early-rx interrupts */
3471 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
3472
3473 /* Enable all known interrupts by setting the interrupt mask. */
3474 RTL_W16(IntrMask, tp->intr_event);
3475 }
3476
3477 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
3478 {
3479 struct net_device *dev = pci_get_drvdata(pdev);
3480 struct rtl8169_private *tp = netdev_priv(dev);
3481 int cap = tp->pcie_cap;
3482
3483 if (cap) {
3484 u16 ctl;
3485
3486 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
3487 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
3488 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
3489 }
3490 }
3491
3492 static void rtl_csi_access_enable(void __iomem *ioaddr)
3493 {
3494 u32 csi;
3495
3496 csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
3497 rtl_csi_write(ioaddr, 0x070c, csi | 0x27000000);
3498 }
3499
3500 struct ephy_info {
3501 unsigned int offset;
3502 u16 mask;
3503 u16 bits;
3504 };
3505
3506 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
3507 {
3508 u16 w;
3509
3510 while (len-- > 0) {
3511 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
3512 rtl_ephy_write(ioaddr, e->offset, w);
3513 e++;
3514 }
3515 }
3516
3517 static void rtl_disable_clock_request(struct pci_dev *pdev)
3518 {
3519 struct net_device *dev = pci_get_drvdata(pdev);
3520 struct rtl8169_private *tp = netdev_priv(dev);
3521 int cap = tp->pcie_cap;
3522
3523 if (cap) {
3524 u16 ctl;
3525
3526 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
3527 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
3528 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
3529 }
3530 }
3531
3532 #define R8168_CPCMD_QUIRK_MASK (\
3533 EnableBist | \
3534 Mac_dbgo_oe | \
3535 Force_half_dup | \
3536 Force_rxflow_en | \
3537 Force_txflow_en | \
3538 Cxpl_dbg_sel | \
3539 ASF | \
3540 PktCntrDisable | \
3541 Mac_dbgo_sel)
3542
3543 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
3544 {
3545 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3546
3547 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3548
3549 rtl_tx_performance_tweak(pdev,
3550 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
3551 }
3552
3553 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
3554 {
3555 rtl_hw_start_8168bb(ioaddr, pdev);
3556
3557 RTL_W8(EarlyTxThres, EarlyTxThld);
3558
3559 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
3560 }
3561
3562 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
3563 {
3564 RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
3565
3566 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3567
3568 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3569
3570 rtl_disable_clock_request(pdev);
3571
3572 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3573 }
3574
3575 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
3576 {
3577 static const struct ephy_info e_info_8168cp[] = {
3578 { 0x01, 0, 0x0001 },
3579 { 0x02, 0x0800, 0x1000 },
3580 { 0x03, 0, 0x0042 },
3581 { 0x06, 0x0080, 0x0000 },
3582 { 0x07, 0, 0x2000 }
3583 };
3584
3585 rtl_csi_access_enable(ioaddr);
3586
3587 rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
3588
3589 __rtl_hw_start_8168cp(ioaddr, pdev);
3590 }
3591
3592 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
3593 {
3594 rtl_csi_access_enable(ioaddr);
3595
3596 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3597
3598 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3599
3600 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3601 }
3602
3603 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
3604 {
3605 rtl_csi_access_enable(ioaddr);
3606
3607 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3608
3609 /* Magic. */
3610 RTL_W8(DBG_REG, 0x20);
3611
3612 RTL_W8(EarlyTxThres, EarlyTxThld);
3613
3614 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3615
3616 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3617 }
3618
3619 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
3620 {
3621 static const struct ephy_info e_info_8168c_1[] = {
3622 { 0x02, 0x0800, 0x1000 },
3623 { 0x03, 0, 0x0002 },
3624 { 0x06, 0x0080, 0x0000 }
3625 };
3626
3627 rtl_csi_access_enable(ioaddr);
3628
3629 RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
3630
3631 rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
3632
3633 __rtl_hw_start_8168cp(ioaddr, pdev);
3634 }
3635
3636 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
3637 {
3638 static const struct ephy_info e_info_8168c_2[] = {
3639 { 0x01, 0, 0x0001 },
3640 { 0x03, 0x0400, 0x0220 }
3641 };
3642
3643 rtl_csi_access_enable(ioaddr);
3644
3645 rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
3646
3647 __rtl_hw_start_8168cp(ioaddr, pdev);
3648 }
3649
3650 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
3651 {
3652 rtl_hw_start_8168c_2(ioaddr, pdev);
3653 }
3654
3655 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
3656 {
3657 rtl_csi_access_enable(ioaddr);
3658
3659 __rtl_hw_start_8168cp(ioaddr, pdev);
3660 }
3661
3662 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
3663 {
3664 rtl_csi_access_enable(ioaddr);
3665
3666 rtl_disable_clock_request(pdev);
3667
3668 RTL_W8(EarlyTxThres, EarlyTxThld);
3669
3670 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3671
3672 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3673 }
3674
3675 static void rtl_hw_start_8168(struct net_device *dev)
3676 {
3677 struct rtl8169_private *tp = netdev_priv(dev);
3678 void __iomem *ioaddr = tp->mmio_addr;
3679 struct pci_dev *pdev = tp->pci_dev;
3680
3681 RTL_W8(Cfg9346, Cfg9346_Unlock);
3682
3683 RTL_W8(EarlyTxThres, EarlyTxThld);
3684
3685 rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz);
3686
3687 tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
3688
3689 RTL_W16(CPlusCmd, tp->cp_cmd);
3690
3691 RTL_W16(IntrMitigate, 0x5151);
3692
3693 /* Work around for RxFIFO overflow. */
3694 if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
3695 tp->intr_event |= RxFIFOOver | PCSTimeout;
3696 tp->intr_event &= ~RxOverflow;
3697 }
3698
3699 rtl_set_rx_tx_desc_registers(tp, ioaddr);
3700
3701 rtl_set_rx_mode(dev);
3702
3703 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
3704 (InterFrameGap << TxInterFrameGapShift));
3705
3706 RTL_R8(IntrMask);
3707
3708 switch (tp->mac_version) {
3709 case RTL_GIGA_MAC_VER_11:
3710 rtl_hw_start_8168bb(ioaddr, pdev);
3711 break;
3712
3713 case RTL_GIGA_MAC_VER_12:
3714 case RTL_GIGA_MAC_VER_17:
3715 rtl_hw_start_8168bef(ioaddr, pdev);
3716 break;
3717
3718 case RTL_GIGA_MAC_VER_18:
3719 rtl_hw_start_8168cp_1(ioaddr, pdev);
3720 break;
3721
3722 case RTL_GIGA_MAC_VER_19:
3723 rtl_hw_start_8168c_1(ioaddr, pdev);
3724 break;
3725
3726 case RTL_GIGA_MAC_VER_20:
3727 rtl_hw_start_8168c_2(ioaddr, pdev);
3728 break;
3729
3730 case RTL_GIGA_MAC_VER_21:
3731 rtl_hw_start_8168c_3(ioaddr, pdev);
3732 break;
3733
3734 case RTL_GIGA_MAC_VER_22:
3735 rtl_hw_start_8168c_4(ioaddr, pdev);
3736 break;
3737
3738 case RTL_GIGA_MAC_VER_23:
3739 rtl_hw_start_8168cp_2(ioaddr, pdev);
3740 break;
3741
3742 case RTL_GIGA_MAC_VER_24:
3743 rtl_hw_start_8168cp_3(ioaddr, pdev);
3744 break;
3745
3746 case RTL_GIGA_MAC_VER_25:
3747 case RTL_GIGA_MAC_VER_26:
3748 case RTL_GIGA_MAC_VER_27:
3749 rtl_hw_start_8168d(ioaddr, pdev);
3750 break;
3751
3752 default:
3753 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
3754 dev->name, tp->mac_version);
3755 break;
3756 }
3757
3758 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3759
3760 RTL_W8(Cfg9346, Cfg9346_Lock);
3761
3762 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
3763
3764 RTL_W16(IntrMask, tp->intr_event);
3765 }
3766
3767 #define R810X_CPCMD_QUIRK_MASK (\
3768 EnableBist | \
3769 Mac_dbgo_oe | \
3770 Force_half_dup | \
3771 Force_rxflow_en | \
3772 Force_txflow_en | \
3773 Cxpl_dbg_sel | \
3774 ASF | \
3775 PktCntrDisable | \
3776 PCIDAC | \
3777 PCIMulRW)
3778
3779 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
3780 {
3781 static const struct ephy_info e_info_8102e_1[] = {
3782 { 0x01, 0, 0x6e65 },
3783 { 0x02, 0, 0x091f },
3784 { 0x03, 0, 0xc2f9 },
3785 { 0x06, 0, 0xafb5 },
3786 { 0x07, 0, 0x0e00 },
3787 { 0x19, 0, 0xec80 },
3788 { 0x01, 0, 0x2e65 },
3789 { 0x01, 0, 0x6e65 }
3790 };
3791 u8 cfg1;
3792
3793 rtl_csi_access_enable(ioaddr);
3794
3795 RTL_W8(DBG_REG, FIX_NAK_1);
3796
3797 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3798
3799 RTL_W8(Config1,
3800 LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
3801 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3802
3803 cfg1 = RTL_R8(Config1);
3804 if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
3805 RTL_W8(Config1, cfg1 & ~LEDS0);
3806
3807 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK);
3808
3809 rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
3810 }
3811
3812 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
3813 {
3814 rtl_csi_access_enable(ioaddr);
3815
3816 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3817
3818 RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
3819 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3820
3821 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK);
3822 }
3823
3824 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
3825 {
3826 rtl_hw_start_8102e_2(ioaddr, pdev);
3827
3828 rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
3829 }
3830
3831 static void rtl_hw_start_8101(struct net_device *dev)
3832 {
3833 struct rtl8169_private *tp = netdev_priv(dev);
3834 void __iomem *ioaddr = tp->mmio_addr;
3835 struct pci_dev *pdev = tp->pci_dev;
3836
3837 if ((tp->mac_version == RTL_GIGA_MAC_VER_13) ||
3838 (tp->mac_version == RTL_GIGA_MAC_VER_16)) {
3839 int cap = tp->pcie_cap;
3840
3841 if (cap) {
3842 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
3843 PCI_EXP_DEVCTL_NOSNOOP_EN);
3844 }
3845 }
3846
3847 switch (tp->mac_version) {
3848 case RTL_GIGA_MAC_VER_07:
3849 rtl_hw_start_8102e_1(ioaddr, pdev);
3850 break;
3851
3852 case RTL_GIGA_MAC_VER_08:
3853 rtl_hw_start_8102e_3(ioaddr, pdev);
3854 break;
3855
3856 case RTL_GIGA_MAC_VER_09:
3857 rtl_hw_start_8102e_2(ioaddr, pdev);
3858 break;
3859 }
3860
3861 RTL_W8(Cfg9346, Cfg9346_Unlock);
3862
3863 RTL_W8(EarlyTxThres, EarlyTxThld);
3864
3865 rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz);
3866
3867 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
3868
3869 RTL_W16(CPlusCmd, tp->cp_cmd);
3870
3871 RTL_W16(IntrMitigate, 0x0000);
3872
3873 rtl_set_rx_tx_desc_registers(tp, ioaddr);
3874
3875 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3876 rtl_set_rx_tx_config_registers(tp);
3877
3878 RTL_W8(Cfg9346, Cfg9346_Lock);
3879
3880 RTL_R8(IntrMask);
3881
3882 rtl_set_rx_mode(dev);
3883
3884 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3885
3886 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
3887
3888 RTL_W16(IntrMask, tp->intr_event);
3889 }
3890
3891 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
3892 {
3893 struct rtl8169_private *tp = netdev_priv(dev);
3894 int ret = 0;
3895
3896 if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
3897 return -EINVAL;
3898
3899 dev->mtu = new_mtu;
3900
3901 if (!netif_running(dev))
3902 goto out;
3903
3904 rtl8169_down(dev);
3905
3906 rtl8169_set_rxbufsize(tp, dev->mtu);
3907
3908 ret = rtl8169_init_ring(dev);
3909 if (ret < 0)
3910 goto out;
3911
3912 napi_enable(&tp->napi);
3913
3914 rtl_hw_start(dev);
3915
3916 rtl8169_request_timer(dev);
3917
3918 out:
3919 return ret;
3920 }
3921
3922 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
3923 {
3924 desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
3925 desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
3926 }
3927
3928 static void rtl8169_free_rx_skb(struct rtl8169_private *tp,
3929 struct sk_buff **sk_buff, struct RxDesc *desc)
3930 {
3931 struct pci_dev *pdev = tp->pci_dev;
3932
3933 pci_unmap_single(pdev, le64_to_cpu(desc->addr), tp->rx_buf_sz,
3934 PCI_DMA_FROMDEVICE);
3935 dev_kfree_skb(*sk_buff);
3936 *sk_buff = NULL;
3937 rtl8169_make_unusable_by_asic(desc);
3938 }
3939
3940 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
3941 {
3942 u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
3943
3944 desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
3945 }
3946
3947 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
3948 u32 rx_buf_sz)
3949 {
3950 desc->addr = cpu_to_le64(mapping);
3951 wmb();
3952 rtl8169_mark_to_asic(desc, rx_buf_sz);
3953 }
3954
3955 static struct sk_buff *rtl8169_alloc_rx_skb(struct pci_dev *pdev,
3956 struct net_device *dev,
3957 struct RxDesc *desc, int rx_buf_sz,
3958 unsigned int align)
3959 {
3960 struct sk_buff *skb;
3961 dma_addr_t mapping;
3962 unsigned int pad;
3963
3964 pad = align ? align : NET_IP_ALIGN;
3965
3966 skb = netdev_alloc_skb(dev, rx_buf_sz + pad);
3967 if (!skb)
3968 goto err_out;
3969
3970 skb_reserve(skb, align ? ((pad - 1) & (unsigned long)skb->data) : pad);
3971
3972 mapping = pci_map_single(pdev, skb->data, rx_buf_sz,
3973 PCI_DMA_FROMDEVICE);
3974
3975 rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
3976 out:
3977 return skb;
3978
3979 err_out:
3980 rtl8169_make_unusable_by_asic(desc);
3981 goto out;
3982 }
3983
3984 static void rtl8169_rx_clear(struct rtl8169_private *tp)
3985 {
3986 unsigned int i;
3987
3988 for (i = 0; i < NUM_RX_DESC; i++) {
3989 if (tp->Rx_skbuff[i]) {
3990 rtl8169_free_rx_skb(tp, tp->Rx_skbuff + i,
3991 tp->RxDescArray + i);
3992 }
3993 }
3994 }
3995
3996 static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev,
3997 u32 start, u32 end)
3998 {
3999 u32 cur;
4000
4001 for (cur = start; end - cur != 0; cur++) {
4002 struct sk_buff *skb;
4003 unsigned int i = cur % NUM_RX_DESC;
4004
4005 WARN_ON((s32)(end - cur) < 0);
4006
4007 if (tp->Rx_skbuff[i])
4008 continue;
4009
4010 skb = rtl8169_alloc_rx_skb(tp->pci_dev, dev,
4011 tp->RxDescArray + i,
4012 tp->rx_buf_sz, tp->align);
4013 if (!skb)
4014 break;
4015
4016 tp->Rx_skbuff[i] = skb;
4017 }
4018 return cur - start;
4019 }
4020
4021 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
4022 {
4023 desc->opts1 |= cpu_to_le32(RingEnd);
4024 }
4025
4026 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
4027 {
4028 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
4029 }
4030
4031 static int rtl8169_init_ring(struct net_device *dev)
4032 {
4033 struct rtl8169_private *tp = netdev_priv(dev);
4034
4035 rtl8169_init_ring_indexes(tp);
4036
4037 memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
4038 memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *));
4039
4040 if (rtl8169_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC)
4041 goto err_out;
4042
4043 rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
4044
4045 return 0;
4046
4047 err_out:
4048 rtl8169_rx_clear(tp);
4049 return -ENOMEM;
4050 }
4051
4052 static void rtl8169_unmap_tx_skb(struct pci_dev *pdev, struct ring_info *tx_skb,
4053 struct TxDesc *desc)
4054 {
4055 unsigned int len = tx_skb->len;
4056
4057 pci_unmap_single(pdev, le64_to_cpu(desc->addr), len, PCI_DMA_TODEVICE);
4058 desc->opts1 = 0x00;
4059 desc->opts2 = 0x00;
4060 desc->addr = 0x00;
4061 tx_skb->len = 0;
4062 }
4063
4064 static void rtl8169_tx_clear(struct rtl8169_private *tp)
4065 {
4066 unsigned int i;
4067
4068 for (i = tp->dirty_tx; i < tp->dirty_tx + NUM_TX_DESC; i++) {
4069 unsigned int entry = i % NUM_TX_DESC;
4070 struct ring_info *tx_skb = tp->tx_skb + entry;
4071 unsigned int len = tx_skb->len;
4072
4073 if (len) {
4074 struct sk_buff *skb = tx_skb->skb;
4075
4076 rtl8169_unmap_tx_skb(tp->pci_dev, tx_skb,
4077 tp->TxDescArray + entry);
4078 if (skb) {
4079 dev_kfree_skb(skb);
4080 tx_skb->skb = NULL;
4081 }
4082 tp->dev->stats.tx_dropped++;
4083 }
4084 }
4085 tp->cur_tx = tp->dirty_tx = 0;
4086 }
4087
4088 static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
4089 {
4090 struct rtl8169_private *tp = netdev_priv(dev);
4091
4092 PREPARE_DELAYED_WORK(&tp->task, task);
4093 schedule_delayed_work(&tp->task, 4);
4094 }
4095
4096 static void rtl8169_wait_for_quiescence(struct net_device *dev)
4097 {
4098 struct rtl8169_private *tp = netdev_priv(dev);
4099 void __iomem *ioaddr = tp->mmio_addr;
4100
4101 synchronize_irq(dev->irq);
4102
4103 /* Wait for any pending NAPI task to complete */
4104 napi_disable(&tp->napi);
4105
4106 rtl8169_irq_mask_and_ack(ioaddr);
4107
4108 tp->intr_mask = 0xffff;
4109 RTL_W16(IntrMask, tp->intr_event);
4110 napi_enable(&tp->napi);
4111 }
4112
4113 static void rtl8169_reinit_task(struct work_struct *work)
4114 {
4115 struct rtl8169_private *tp =
4116 container_of(work, struct rtl8169_private, task.work);
4117 struct net_device *dev = tp->dev;
4118 int ret;
4119
4120 rtnl_lock();
4121
4122 if (!netif_running(dev))
4123 goto out_unlock;
4124
4125 rtl8169_wait_for_quiescence(dev);
4126 rtl8169_close(dev);
4127
4128 ret = rtl8169_open(dev);
4129 if (unlikely(ret < 0)) {
4130 if (net_ratelimit())
4131 netif_err(tp, drv, dev,
4132 "reinit failure (status = %d). Rescheduling\n",
4133 ret);
4134 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4135 }
4136
4137 out_unlock:
4138 rtnl_unlock();
4139 }
4140
4141 static void rtl8169_reset_task(struct work_struct *work)
4142 {
4143 struct rtl8169_private *tp =
4144 container_of(work, struct rtl8169_private, task.work);
4145 struct net_device *dev = tp->dev;
4146
4147 rtnl_lock();
4148
4149 if (!netif_running(dev))
4150 goto out_unlock;
4151
4152 rtl8169_wait_for_quiescence(dev);
4153
4154 rtl8169_rx_interrupt(dev, tp, tp->mmio_addr, ~(u32)0);
4155 rtl8169_tx_clear(tp);
4156
4157 if (tp->dirty_rx == tp->cur_rx) {
4158 rtl8169_init_ring_indexes(tp);
4159 rtl_hw_start(dev);
4160 netif_wake_queue(dev);
4161 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
4162 } else {
4163 if (net_ratelimit())
4164 netif_emerg(tp, intr, dev, "Rx buffers shortage\n");
4165 rtl8169_schedule_work(dev, rtl8169_reset_task);
4166 }
4167
4168 out_unlock:
4169 rtnl_unlock();
4170 }
4171
4172 static void rtl8169_tx_timeout(struct net_device *dev)
4173 {
4174 struct rtl8169_private *tp = netdev_priv(dev);
4175
4176 rtl8169_hw_reset(tp->mmio_addr);
4177
4178 /* Let's wait a bit while any (async) irq lands on */
4179 rtl8169_schedule_work(dev, rtl8169_reset_task);
4180 }
4181
4182 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
4183 u32 opts1)
4184 {
4185 struct skb_shared_info *info = skb_shinfo(skb);
4186 unsigned int cur_frag, entry;
4187 struct TxDesc * uninitialized_var(txd);
4188
4189 entry = tp->cur_tx;
4190 for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
4191 skb_frag_t *frag = info->frags + cur_frag;
4192 dma_addr_t mapping;
4193 u32 status, len;
4194 void *addr;
4195
4196 entry = (entry + 1) % NUM_TX_DESC;
4197
4198 txd = tp->TxDescArray + entry;
4199 len = frag->size;
4200 addr = ((void *) page_address(frag->page)) + frag->page_offset;
4201 mapping = pci_map_single(tp->pci_dev, addr, len, PCI_DMA_TODEVICE);
4202
4203 /* anti gcc 2.95.3 bugware (sic) */
4204 status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
4205
4206 txd->opts1 = cpu_to_le32(status);
4207 txd->addr = cpu_to_le64(mapping);
4208
4209 tp->tx_skb[entry].len = len;
4210 }
4211
4212 if (cur_frag) {
4213 tp->tx_skb[entry].skb = skb;
4214 txd->opts1 |= cpu_to_le32(LastFrag);
4215 }
4216
4217 return cur_frag;
4218 }
4219
4220 static inline u32 rtl8169_tso_csum(struct sk_buff *skb, struct net_device *dev)
4221 {
4222 if (dev->features & NETIF_F_TSO) {
4223 u32 mss = skb_shinfo(skb)->gso_size;
4224
4225 if (mss)
4226 return LargeSend | ((mss & MSSMask) << MSSShift);
4227 }
4228 if (skb->ip_summed == CHECKSUM_PARTIAL) {
4229 const struct iphdr *ip = ip_hdr(skb);
4230
4231 if (ip->protocol == IPPROTO_TCP)
4232 return IPCS | TCPCS;
4233 else if (ip->protocol == IPPROTO_UDP)
4234 return IPCS | UDPCS;
4235 WARN_ON(1); /* we need a WARN() */
4236 }
4237 return 0;
4238 }
4239
4240 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
4241 struct net_device *dev)
4242 {
4243 struct rtl8169_private *tp = netdev_priv(dev);
4244 unsigned int frags, entry = tp->cur_tx % NUM_TX_DESC;
4245 struct TxDesc *txd = tp->TxDescArray + entry;
4246 void __iomem *ioaddr = tp->mmio_addr;
4247 dma_addr_t mapping;
4248 u32 status, len;
4249 u32 opts1;
4250
4251 if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
4252 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
4253 goto err_stop;
4254 }
4255
4256 if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
4257 goto err_stop;
4258
4259 opts1 = DescOwn | rtl8169_tso_csum(skb, dev);
4260
4261 frags = rtl8169_xmit_frags(tp, skb, opts1);
4262 if (frags) {
4263 len = skb_headlen(skb);
4264 opts1 |= FirstFrag;
4265 } else {
4266 len = skb->len;
4267 opts1 |= FirstFrag | LastFrag;
4268 tp->tx_skb[entry].skb = skb;
4269 }
4270
4271 mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE);
4272
4273 tp->tx_skb[entry].len = len;
4274 txd->addr = cpu_to_le64(mapping);
4275 txd->opts2 = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
4276
4277 wmb();
4278
4279 /* anti gcc 2.95.3 bugware (sic) */
4280 status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
4281 txd->opts1 = cpu_to_le32(status);
4282
4283 tp->cur_tx += frags + 1;
4284
4285 wmb();
4286
4287 RTL_W8(TxPoll, NPQ); /* set polling bit */
4288
4289 if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
4290 netif_stop_queue(dev);
4291 smp_rmb();
4292 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
4293 netif_wake_queue(dev);
4294 }
4295
4296 return NETDEV_TX_OK;
4297
4298 err_stop:
4299 netif_stop_queue(dev);
4300 dev->stats.tx_dropped++;
4301 return NETDEV_TX_BUSY;
4302 }
4303
4304 static void rtl8169_pcierr_interrupt(struct net_device *dev)
4305 {
4306 struct rtl8169_private *tp = netdev_priv(dev);
4307 struct pci_dev *pdev = tp->pci_dev;
4308 void __iomem *ioaddr = tp->mmio_addr;
4309 u16 pci_status, pci_cmd;
4310
4311 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
4312 pci_read_config_word(pdev, PCI_STATUS, &pci_status);
4313
4314 netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
4315 pci_cmd, pci_status);
4316
4317 /*
4318 * The recovery sequence below admits a very elaborated explanation:
4319 * - it seems to work;
4320 * - I did not see what else could be done;
4321 * - it makes iop3xx happy.
4322 *
4323 * Feel free to adjust to your needs.
4324 */
4325 if (pdev->broken_parity_status)
4326 pci_cmd &= ~PCI_COMMAND_PARITY;
4327 else
4328 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
4329
4330 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
4331
4332 pci_write_config_word(pdev, PCI_STATUS,
4333 pci_status & (PCI_STATUS_DETECTED_PARITY |
4334 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
4335 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
4336
4337 /* The infamous DAC f*ckup only happens at boot time */
4338 if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
4339 netif_info(tp, intr, dev, "disabling PCI DAC\n");
4340 tp->cp_cmd &= ~PCIDAC;
4341 RTL_W16(CPlusCmd, tp->cp_cmd);
4342 dev->features &= ~NETIF_F_HIGHDMA;
4343 }
4344
4345 rtl8169_hw_reset(ioaddr);
4346
4347 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4348 }
4349
4350 static void rtl8169_tx_interrupt(struct net_device *dev,
4351 struct rtl8169_private *tp,
4352 void __iomem *ioaddr)
4353 {
4354 unsigned int dirty_tx, tx_left;
4355
4356 dirty_tx = tp->dirty_tx;
4357 smp_rmb();
4358 tx_left = tp->cur_tx - dirty_tx;
4359
4360 while (tx_left > 0) {
4361 unsigned int entry = dirty_tx % NUM_TX_DESC;
4362 struct ring_info *tx_skb = tp->tx_skb + entry;
4363 u32 len = tx_skb->len;
4364 u32 status;
4365
4366 rmb();
4367 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
4368 if (status & DescOwn)
4369 break;
4370
4371 dev->stats.tx_bytes += len;
4372 dev->stats.tx_packets++;
4373
4374 rtl8169_unmap_tx_skb(tp->pci_dev, tx_skb, tp->TxDescArray + entry);
4375
4376 if (status & LastFrag) {
4377 dev_kfree_skb(tx_skb->skb);
4378 tx_skb->skb = NULL;
4379 }
4380 dirty_tx++;
4381 tx_left--;
4382 }
4383
4384 if (tp->dirty_tx != dirty_tx) {
4385 tp->dirty_tx = dirty_tx;
4386 smp_wmb();
4387 if (netif_queue_stopped(dev) &&
4388 (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
4389 netif_wake_queue(dev);
4390 }
4391 /*
4392 * 8168 hack: TxPoll requests are lost when the Tx packets are
4393 * too close. Let's kick an extra TxPoll request when a burst
4394 * of start_xmit activity is detected (if it is not detected,
4395 * it is slow enough). -- FR
4396 */
4397 smp_rmb();
4398 if (tp->cur_tx != dirty_tx)
4399 RTL_W8(TxPoll, NPQ);
4400 }
4401 }
4402
4403 static inline int rtl8169_fragmented_frame(u32 status)
4404 {
4405 return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
4406 }
4407
4408 static inline void rtl8169_rx_csum(struct sk_buff *skb, struct RxDesc *desc)
4409 {
4410 u32 opts1 = le32_to_cpu(desc->opts1);
4411 u32 status = opts1 & RxProtoMask;
4412
4413 if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
4414 ((status == RxProtoUDP) && !(opts1 & UDPFail)) ||
4415 ((status == RxProtoIP) && !(opts1 & IPFail)))
4416 skb->ip_summed = CHECKSUM_UNNECESSARY;
4417 else
4418 skb->ip_summed = CHECKSUM_NONE;
4419 }
4420
4421 static inline bool rtl8169_try_rx_copy(struct sk_buff **sk_buff,
4422 struct rtl8169_private *tp, int pkt_size,
4423 dma_addr_t addr)
4424 {
4425 struct sk_buff *skb;
4426 bool done = false;
4427
4428 if (pkt_size >= rx_copybreak)
4429 goto out;
4430
4431 skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
4432 if (!skb)
4433 goto out;
4434
4435 pci_dma_sync_single_for_cpu(tp->pci_dev, addr, pkt_size,
4436 PCI_DMA_FROMDEVICE);
4437 skb_copy_from_linear_data(*sk_buff, skb->data, pkt_size);
4438 *sk_buff = skb;
4439 done = true;
4440 out:
4441 return done;
4442 }
4443
4444 static int rtl8169_rx_interrupt(struct net_device *dev,
4445 struct rtl8169_private *tp,
4446 void __iomem *ioaddr, u32 budget)
4447 {
4448 unsigned int cur_rx, rx_left;
4449 unsigned int delta, count;
4450
4451 cur_rx = tp->cur_rx;
4452 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
4453 rx_left = min(rx_left, budget);
4454
4455 for (; rx_left > 0; rx_left--, cur_rx++) {
4456 unsigned int entry = cur_rx % NUM_RX_DESC;
4457 struct RxDesc *desc = tp->RxDescArray + entry;
4458 u32 status;
4459
4460 rmb();
4461 status = le32_to_cpu(desc->opts1);
4462
4463 if (status & DescOwn)
4464 break;
4465 if (unlikely(status & RxRES)) {
4466 netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
4467 status);
4468 dev->stats.rx_errors++;
4469 if (status & (RxRWT | RxRUNT))
4470 dev->stats.rx_length_errors++;
4471 if (status & RxCRC)
4472 dev->stats.rx_crc_errors++;
4473 if (status & RxFOVF) {
4474 rtl8169_schedule_work(dev, rtl8169_reset_task);
4475 dev->stats.rx_fifo_errors++;
4476 }
4477 rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
4478 } else {
4479 struct sk_buff *skb = tp->Rx_skbuff[entry];
4480 dma_addr_t addr = le64_to_cpu(desc->addr);
4481 int pkt_size = (status & 0x00001FFF) - 4;
4482 struct pci_dev *pdev = tp->pci_dev;
4483
4484 /*
4485 * The driver does not support incoming fragmented
4486 * frames. They are seen as a symptom of over-mtu
4487 * sized frames.
4488 */
4489 if (unlikely(rtl8169_fragmented_frame(status))) {
4490 dev->stats.rx_dropped++;
4491 dev->stats.rx_length_errors++;
4492 rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
4493 continue;
4494 }
4495
4496 rtl8169_rx_csum(skb, desc);
4497
4498 if (rtl8169_try_rx_copy(&skb, tp, pkt_size, addr)) {
4499 pci_dma_sync_single_for_device(pdev, addr,
4500 pkt_size, PCI_DMA_FROMDEVICE);
4501 rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
4502 } else {
4503 pci_unmap_single(pdev, addr, tp->rx_buf_sz,
4504 PCI_DMA_FROMDEVICE);
4505 tp->Rx_skbuff[entry] = NULL;
4506 }
4507
4508 skb_put(skb, pkt_size);
4509 skb->protocol = eth_type_trans(skb, dev);
4510
4511 if (rtl8169_rx_vlan_skb(tp, desc, skb) < 0)
4512 netif_receive_skb(skb);
4513
4514 dev->stats.rx_bytes += pkt_size;
4515 dev->stats.rx_packets++;
4516 }
4517
4518 /* Work around for AMD plateform. */
4519 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
4520 (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
4521 desc->opts2 = 0;
4522 cur_rx++;
4523 }
4524 }
4525
4526 count = cur_rx - tp->cur_rx;
4527 tp->cur_rx = cur_rx;
4528
4529 delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx);
4530 if (!delta && count)
4531 netif_info(tp, intr, dev, "no Rx buffer allocated\n");
4532 tp->dirty_rx += delta;
4533
4534 /*
4535 * FIXME: until there is periodic timer to try and refill the ring,
4536 * a temporary shortage may definitely kill the Rx process.
4537 * - disable the asic to try and avoid an overflow and kick it again
4538 * after refill ?
4539 * - how do others driver handle this condition (Uh oh...).
4540 */
4541 if (tp->dirty_rx + NUM_RX_DESC == tp->cur_rx)
4542 netif_emerg(tp, intr, dev, "Rx buffers exhausted\n");
4543
4544 return count;
4545 }
4546
4547 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
4548 {
4549 struct net_device *dev = dev_instance;
4550 struct rtl8169_private *tp = netdev_priv(dev);
4551 void __iomem *ioaddr = tp->mmio_addr;
4552 int handled = 0;
4553 int status;
4554
4555 /* loop handling interrupts until we have no new ones or
4556 * we hit a invalid/hotplug case.
4557 */
4558 status = RTL_R16(IntrStatus);
4559 while (status && status != 0xffff) {
4560 handled = 1;
4561
4562 /* Handle all of the error cases first. These will reset
4563 * the chip, so just exit the loop.
4564 */
4565 if (unlikely(!netif_running(dev))) {
4566 rtl8169_asic_down(ioaddr);
4567 break;
4568 }
4569
4570 /* Work around for rx fifo overflow */
4571 if (unlikely(status & RxFIFOOver) &&
4572 (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
4573 netif_stop_queue(dev);
4574 rtl8169_tx_timeout(dev);
4575 break;
4576 }
4577
4578 if (unlikely(status & SYSErr)) {
4579 rtl8169_pcierr_interrupt(dev);
4580 break;
4581 }
4582
4583 if (status & LinkChg)
4584 rtl8169_check_link_status(dev, tp, ioaddr);
4585
4586 /* We need to see the lastest version of tp->intr_mask to
4587 * avoid ignoring an MSI interrupt and having to wait for
4588 * another event which may never come.
4589 */
4590 smp_rmb();
4591 if (status & tp->intr_mask & tp->napi_event) {
4592 RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
4593 tp->intr_mask = ~tp->napi_event;
4594
4595 if (likely(napi_schedule_prep(&tp->napi)))
4596 __napi_schedule(&tp->napi);
4597 else
4598 netif_info(tp, intr, dev,
4599 "interrupt %04x in poll\n", status);
4600 }
4601
4602 /* We only get a new MSI interrupt when all active irq
4603 * sources on the chip have been acknowledged. So, ack
4604 * everything we've seen and check if new sources have become
4605 * active to avoid blocking all interrupts from the chip.
4606 */
4607 RTL_W16(IntrStatus,
4608 (status & RxFIFOOver) ? (status | RxOverflow) : status);
4609 status = RTL_R16(IntrStatus);
4610 }
4611
4612 return IRQ_RETVAL(handled);
4613 }
4614
4615 static int rtl8169_poll(struct napi_struct *napi, int budget)
4616 {
4617 struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
4618 struct net_device *dev = tp->dev;
4619 void __iomem *ioaddr = tp->mmio_addr;
4620 int work_done;
4621
4622 work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
4623 rtl8169_tx_interrupt(dev, tp, ioaddr);
4624
4625 if (work_done < budget) {
4626 napi_complete(napi);
4627
4628 /* We need for force the visibility of tp->intr_mask
4629 * for other CPUs, as we can loose an MSI interrupt
4630 * and potentially wait for a retransmit timeout if we don't.
4631 * The posted write to IntrMask is safe, as it will
4632 * eventually make it to the chip and we won't loose anything
4633 * until it does.
4634 */
4635 tp->intr_mask = 0xffff;
4636 wmb();
4637 RTL_W16(IntrMask, tp->intr_event);
4638 }
4639
4640 return work_done;
4641 }
4642
4643 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
4644 {
4645 struct rtl8169_private *tp = netdev_priv(dev);
4646
4647 if (tp->mac_version > RTL_GIGA_MAC_VER_06)
4648 return;
4649
4650 dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
4651 RTL_W32(RxMissed, 0);
4652 }
4653
4654 static void rtl8169_down(struct net_device *dev)
4655 {
4656 struct rtl8169_private *tp = netdev_priv(dev);
4657 void __iomem *ioaddr = tp->mmio_addr;
4658 unsigned int intrmask;
4659
4660 rtl8169_delete_timer(dev);
4661
4662 netif_stop_queue(dev);
4663
4664 napi_disable(&tp->napi);
4665
4666 core_down:
4667 spin_lock_irq(&tp->lock);
4668
4669 rtl8169_asic_down(ioaddr);
4670
4671 rtl8169_rx_missed(dev, ioaddr);
4672
4673 spin_unlock_irq(&tp->lock);
4674
4675 synchronize_irq(dev->irq);
4676
4677 /* Give a racing hard_start_xmit a few cycles to complete. */
4678 synchronize_sched(); /* FIXME: should this be synchronize_irq()? */
4679
4680 /*
4681 * And now for the 50k$ question: are IRQ disabled or not ?
4682 *
4683 * Two paths lead here:
4684 * 1) dev->close
4685 * -> netif_running() is available to sync the current code and the
4686 * IRQ handler. See rtl8169_interrupt for details.
4687 * 2) dev->change_mtu
4688 * -> rtl8169_poll can not be issued again and re-enable the
4689 * interruptions. Let's simply issue the IRQ down sequence again.
4690 *
4691 * No loop if hotpluged or major error (0xffff).
4692 */
4693 intrmask = RTL_R16(IntrMask);
4694 if (intrmask && (intrmask != 0xffff))
4695 goto core_down;
4696
4697 rtl8169_tx_clear(tp);
4698
4699 rtl8169_rx_clear(tp);
4700 }
4701
4702 static int rtl8169_close(struct net_device *dev)
4703 {
4704 struct rtl8169_private *tp = netdev_priv(dev);
4705 struct pci_dev *pdev = tp->pci_dev;
4706
4707 /* update counters before going down */
4708 rtl8169_update_counters(dev);
4709
4710 rtl8169_down(dev);
4711
4712 free_irq(dev->irq, dev);
4713
4714 pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray,
4715 tp->RxPhyAddr);
4716 pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray,
4717 tp->TxPhyAddr);
4718 tp->TxDescArray = NULL;
4719 tp->RxDescArray = NULL;
4720
4721 return 0;
4722 }
4723
4724 static void rtl_set_rx_mode(struct net_device *dev)
4725 {
4726 struct rtl8169_private *tp = netdev_priv(dev);
4727 void __iomem *ioaddr = tp->mmio_addr;
4728 unsigned long flags;
4729 u32 mc_filter[2]; /* Multicast hash filter */
4730 int rx_mode;
4731 u32 tmp = 0;
4732
4733 if (dev->flags & IFF_PROMISC) {
4734 /* Unconditionally log net taps. */
4735 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
4736 rx_mode =
4737 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
4738 AcceptAllPhys;
4739 mc_filter[1] = mc_filter[0] = 0xffffffff;
4740 } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
4741 (dev->flags & IFF_ALLMULTI)) {
4742 /* Too many to filter perfectly -- accept all multicasts. */
4743 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
4744 mc_filter[1] = mc_filter[0] = 0xffffffff;
4745 } else {
4746 struct dev_mc_list *mclist;
4747
4748 rx_mode = AcceptBroadcast | AcceptMyPhys;
4749 mc_filter[1] = mc_filter[0] = 0;
4750 netdev_for_each_mc_addr(mclist, dev) {
4751 int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26;
4752 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
4753 rx_mode |= AcceptMulticast;
4754 }
4755 }
4756
4757 spin_lock_irqsave(&tp->lock, flags);
4758
4759 tmp = rtl8169_rx_config | rx_mode |
4760 (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask);
4761
4762 if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
4763 u32 data = mc_filter[0];
4764
4765 mc_filter[0] = swab32(mc_filter[1]);
4766 mc_filter[1] = swab32(data);
4767 }
4768
4769 RTL_W32(MAR0 + 4, mc_filter[1]);
4770 RTL_W32(MAR0 + 0, mc_filter[0]);
4771
4772 RTL_W32(RxConfig, tmp);
4773
4774 spin_unlock_irqrestore(&tp->lock, flags);
4775 }
4776
4777 /**
4778 * rtl8169_get_stats - Get rtl8169 read/write statistics
4779 * @dev: The Ethernet Device to get statistics for
4780 *
4781 * Get TX/RX statistics for rtl8169
4782 */
4783 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
4784 {
4785 struct rtl8169_private *tp = netdev_priv(dev);
4786 void __iomem *ioaddr = tp->mmio_addr;
4787 unsigned long flags;
4788
4789 if (netif_running(dev)) {
4790 spin_lock_irqsave(&tp->lock, flags);
4791 rtl8169_rx_missed(dev, ioaddr);
4792 spin_unlock_irqrestore(&tp->lock, flags);
4793 }
4794
4795 return &dev->stats;
4796 }
4797
4798 static void rtl8169_net_suspend(struct net_device *dev)
4799 {
4800 if (!netif_running(dev))
4801 return;
4802
4803 netif_device_detach(dev);
4804 netif_stop_queue(dev);
4805 }
4806
4807 #ifdef CONFIG_PM
4808
4809 static int rtl8169_suspend(struct device *device)
4810 {
4811 struct pci_dev *pdev = to_pci_dev(device);
4812 struct net_device *dev = pci_get_drvdata(pdev);
4813
4814 rtl8169_net_suspend(dev);
4815
4816 return 0;
4817 }
4818
4819 static int rtl8169_resume(struct device *device)
4820 {
4821 struct pci_dev *pdev = to_pci_dev(device);
4822 struct net_device *dev = pci_get_drvdata(pdev);
4823
4824 if (!netif_running(dev))
4825 goto out;
4826
4827 netif_device_attach(dev);
4828
4829 rtl8169_schedule_work(dev, rtl8169_reset_task);
4830 out:
4831 return 0;
4832 }
4833
4834 static const struct dev_pm_ops rtl8169_pm_ops = {
4835 .suspend = rtl8169_suspend,
4836 .resume = rtl8169_resume,
4837 .freeze = rtl8169_suspend,
4838 .thaw = rtl8169_resume,
4839 .poweroff = rtl8169_suspend,
4840 .restore = rtl8169_resume,
4841 };
4842
4843 #define RTL8169_PM_OPS (&rtl8169_pm_ops)
4844
4845 #else /* !CONFIG_PM */
4846
4847 #define RTL8169_PM_OPS NULL
4848
4849 #endif /* !CONFIG_PM */
4850
4851 static void rtl_shutdown(struct pci_dev *pdev)
4852 {
4853 struct net_device *dev = pci_get_drvdata(pdev);
4854 struct rtl8169_private *tp = netdev_priv(dev);
4855 void __iomem *ioaddr = tp->mmio_addr;
4856
4857 rtl8169_net_suspend(dev);
4858
4859 /* restore original MAC address */
4860 rtl_rar_set(tp, dev->perm_addr);
4861
4862 spin_lock_irq(&tp->lock);
4863
4864 rtl8169_asic_down(ioaddr);
4865
4866 spin_unlock_irq(&tp->lock);
4867
4868 if (system_state == SYSTEM_POWER_OFF) {
4869 /* WoL fails with some 8168 when the receiver is disabled. */
4870 if (tp->features & RTL_FEATURE_WOL) {
4871 pci_clear_master(pdev);
4872
4873 RTL_W8(ChipCmd, CmdRxEnb);
4874 /* PCI commit */
4875 RTL_R8(ChipCmd);
4876 }
4877
4878 pci_wake_from_d3(pdev, true);
4879 pci_set_power_state(pdev, PCI_D3hot);
4880 }
4881 }
4882
4883 static struct pci_driver rtl8169_pci_driver = {
4884 .name = MODULENAME,
4885 .id_table = rtl8169_pci_tbl,
4886 .probe = rtl8169_init_one,
4887 .remove = __devexit_p(rtl8169_remove_one),
4888 .shutdown = rtl_shutdown,
4889 .driver.pm = RTL8169_PM_OPS,
4890 };
4891
4892 static int __init rtl8169_init_module(void)
4893 {
4894 return pci_register_driver(&rtl8169_pci_driver);
4895 }
4896
4897 static void __exit rtl8169_cleanup_module(void)
4898 {
4899 pci_unregister_driver(&rtl8169_pci_driver);
4900 }
4901
4902 module_init(rtl8169_init_module);
4903 module_exit(rtl8169_cleanup_module);
Linux kernel - Deliverables
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