2 * r8169.c: RealTek 8169/8168/8101 ethernet driver.
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.
8 * See MAINTAINERS file for support contact information.
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>
23 #include <linux/tcp.h>
24 #include <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/pm_runtime.h>
28 #include <linux/firmware.h>
29 #include <linux/pci-aspm.h>
30 #include <linux/prefetch.h>
35 #define RTL8169_VERSION "2.3LK-NAPI"
36 #define MODULENAME "r8169"
37 #define PFX MODULENAME ": "
39 #define FIRMWARE_8168D_1 "rtl_nic/rtl8168d-1.fw"
40 #define FIRMWARE_8168D_2 "rtl_nic/rtl8168d-2.fw"
41 #define FIRMWARE_8168E_1 "rtl_nic/rtl8168e-1.fw"
42 #define FIRMWARE_8168E_2 "rtl_nic/rtl8168e-2.fw"
43 #define FIRMWARE_8168E_3 "rtl_nic/rtl8168e-3.fw"
44 #define FIRMWARE_8168F_1 "rtl_nic/rtl8168f-1.fw"
45 #define FIRMWARE_8168F_2 "rtl_nic/rtl8168f-2.fw"
46 #define FIRMWARE_8105E_1 "rtl_nic/rtl8105e-1.fw"
49 #define assert(expr) \
51 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
52 #expr,__FILE__,__func__,__LINE__); \
54 #define dprintk(fmt, args...) \
55 do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
57 #define assert(expr) do {} while (0)
58 #define dprintk(fmt, args...) do {} while (0)
59 #endif /* RTL8169_DEBUG */
61 #define R8169_MSG_DEFAULT \
62 (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
64 #define TX_BUFFS_AVAIL(tp) \
65 (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
67 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
68 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
69 static const int multicast_filter_limit = 32;
71 #define MAX_READ_REQUEST_SHIFT 12
72 #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
73 #define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */
74 #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
76 #define R8169_REGS_SIZE 256
77 #define R8169_NAPI_WEIGHT 64
78 #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */
79 #define NUM_RX_DESC 256 /* Number of Rx descriptor registers */
80 #define RX_BUF_SIZE 1536 /* Rx Buffer size */
81 #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
82 #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
84 #define RTL8169_TX_TIMEOUT (6*HZ)
85 #define RTL8169_PHY_TIMEOUT (10*HZ)
87 #define RTL_EEPROM_SIG cpu_to_le32(0x8129)
88 #define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff)
89 #define RTL_EEPROM_SIG_ADDR 0x0000
91 /* write/read MMIO register */
92 #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
93 #define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
94 #define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
95 #define RTL_R8(reg) readb (ioaddr + (reg))
96 #define RTL_R16(reg) readw (ioaddr + (reg))
97 #define RTL_R32(reg) readl (ioaddr + (reg))
100 RTL_GIGA_MAC_VER_01 = 0,
136 RTL_GIGA_MAC_NONE = 0xff,
139 enum rtl_tx_desc_version {
144 #define JUMBO_1K ETH_DATA_LEN
145 #define JUMBO_4K (4*1024 - ETH_HLEN - 2)
146 #define JUMBO_6K (6*1024 - ETH_HLEN - 2)
147 #define JUMBO_7K (7*1024 - ETH_HLEN - 2)
148 #define JUMBO_9K (9*1024 - ETH_HLEN - 2)
150 #define _R(NAME,TD,FW,SZ,B) { \
158 static const struct {
160 enum rtl_tx_desc_version txd_version;
164 } rtl_chip_infos[] = {
166 [RTL_GIGA_MAC_VER_01] =
167 _R("RTL8169", RTL_TD_0, NULL, JUMBO_7K, true),
168 [RTL_GIGA_MAC_VER_02] =
169 _R("RTL8169s", RTL_TD_0, NULL, JUMBO_7K, true),
170 [RTL_GIGA_MAC_VER_03] =
171 _R("RTL8110s", RTL_TD_0, NULL, JUMBO_7K, true),
172 [RTL_GIGA_MAC_VER_04] =
173 _R("RTL8169sb/8110sb", RTL_TD_0, NULL, JUMBO_7K, true),
174 [RTL_GIGA_MAC_VER_05] =
175 _R("RTL8169sc/8110sc", RTL_TD_0, NULL, JUMBO_7K, true),
176 [RTL_GIGA_MAC_VER_06] =
177 _R("RTL8169sc/8110sc", RTL_TD_0, NULL, JUMBO_7K, true),
179 [RTL_GIGA_MAC_VER_07] =
180 _R("RTL8102e", RTL_TD_1, NULL, JUMBO_1K, true),
181 [RTL_GIGA_MAC_VER_08] =
182 _R("RTL8102e", RTL_TD_1, NULL, JUMBO_1K, true),
183 [RTL_GIGA_MAC_VER_09] =
184 _R("RTL8102e", RTL_TD_1, NULL, JUMBO_1K, true),
185 [RTL_GIGA_MAC_VER_10] =
186 _R("RTL8101e", RTL_TD_0, NULL, JUMBO_1K, true),
187 [RTL_GIGA_MAC_VER_11] =
188 _R("RTL8168b/8111b", RTL_TD_0, NULL, JUMBO_4K, false),
189 [RTL_GIGA_MAC_VER_12] =
190 _R("RTL8168b/8111b", RTL_TD_0, NULL, JUMBO_4K, false),
191 [RTL_GIGA_MAC_VER_13] =
192 _R("RTL8101e", RTL_TD_0, NULL, JUMBO_1K, true),
193 [RTL_GIGA_MAC_VER_14] =
194 _R("RTL8100e", RTL_TD_0, NULL, JUMBO_1K, true),
195 [RTL_GIGA_MAC_VER_15] =
196 _R("RTL8100e", RTL_TD_0, NULL, JUMBO_1K, true),
197 [RTL_GIGA_MAC_VER_16] =
198 _R("RTL8101e", RTL_TD_0, NULL, JUMBO_1K, true),
199 [RTL_GIGA_MAC_VER_17] =
200 _R("RTL8168b/8111b", RTL_TD_1, NULL, JUMBO_4K, false),
201 [RTL_GIGA_MAC_VER_18] =
202 _R("RTL8168cp/8111cp", RTL_TD_1, NULL, JUMBO_6K, false),
203 [RTL_GIGA_MAC_VER_19] =
204 _R("RTL8168c/8111c", RTL_TD_1, NULL, JUMBO_6K, false),
205 [RTL_GIGA_MAC_VER_20] =
206 _R("RTL8168c/8111c", RTL_TD_1, NULL, JUMBO_6K, false),
207 [RTL_GIGA_MAC_VER_21] =
208 _R("RTL8168c/8111c", RTL_TD_1, NULL, JUMBO_6K, false),
209 [RTL_GIGA_MAC_VER_22] =
210 _R("RTL8168c/8111c", RTL_TD_1, NULL, JUMBO_6K, false),
211 [RTL_GIGA_MAC_VER_23] =
212 _R("RTL8168cp/8111cp", RTL_TD_1, NULL, JUMBO_6K, false),
213 [RTL_GIGA_MAC_VER_24] =
214 _R("RTL8168cp/8111cp", RTL_TD_1, NULL, JUMBO_6K, false),
215 [RTL_GIGA_MAC_VER_25] =
216 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_1,
218 [RTL_GIGA_MAC_VER_26] =
219 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_2,
221 [RTL_GIGA_MAC_VER_27] =
222 _R("RTL8168dp/8111dp", RTL_TD_1, NULL, JUMBO_9K, false),
223 [RTL_GIGA_MAC_VER_28] =
224 _R("RTL8168dp/8111dp", RTL_TD_1, NULL, JUMBO_9K, false),
225 [RTL_GIGA_MAC_VER_29] =
226 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1,
228 [RTL_GIGA_MAC_VER_30] =
229 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1,
231 [RTL_GIGA_MAC_VER_31] =
232 _R("RTL8168dp/8111dp", RTL_TD_1, NULL, JUMBO_9K, false),
233 [RTL_GIGA_MAC_VER_32] =
234 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_1,
236 [RTL_GIGA_MAC_VER_33] =
237 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_2,
239 [RTL_GIGA_MAC_VER_34] =
240 _R("RTL8168evl/8111evl",RTL_TD_1, FIRMWARE_8168E_3,
242 [RTL_GIGA_MAC_VER_35] =
243 _R("RTL8168f/8111f", RTL_TD_1, FIRMWARE_8168F_1,
245 [RTL_GIGA_MAC_VER_36] =
246 _R("RTL8168f/8111f", RTL_TD_1, FIRMWARE_8168F_2,
257 static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
258 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
259 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
260 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
261 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
262 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
263 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 },
264 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4302), 0, 0, RTL_CFG_0 },
265 { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 },
266 { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 },
267 { PCI_VENDOR_ID_LINKSYS, 0x1032,
268 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
270 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
274 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
276 static int rx_buf_sz = 16383;
283 MAC0 = 0, /* Ethernet hardware address. */
285 MAR0 = 8, /* Multicast filter. */
286 CounterAddrLow = 0x10,
287 CounterAddrHigh = 0x14,
288 TxDescStartAddrLow = 0x20,
289 TxDescStartAddrHigh = 0x24,
290 TxHDescStartAddrLow = 0x28,
291 TxHDescStartAddrHigh = 0x2c,
300 #define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */
301 #define TXCFG_EMPTY (1 << 11) /* 8111e-vl */
304 #define RX128_INT_EN (1 << 15) /* 8111c and later */
305 #define RX_MULTI_EN (1 << 14) /* 8111c only */
306 #define RXCFG_FIFO_SHIFT 13
307 /* No threshold before first PCI xfer */
308 #define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT)
309 #define RXCFG_DMA_SHIFT 8
310 /* Unlimited maximum PCI burst. */
311 #define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT)
327 RxDescAddrLow = 0xe4,
328 RxDescAddrHigh = 0xe8,
329 EarlyTxThres = 0xec, /* 8169. Unit of 32 bytes. */
331 #define NoEarlyTx 0x3f /* Max value : no early transmit. */
333 MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
335 #define TxPacketMax (8064 >> 7)
336 #define EarlySize 0x27
339 FuncEventMask = 0xf4,
340 FuncPresetState = 0xf8,
341 FuncForceEvent = 0xfc,
344 enum rtl8110_registers {
350 enum rtl8168_8101_registers {
353 #define CSIAR_FLAG 0x80000000
354 #define CSIAR_WRITE_CMD 0x80000000
355 #define CSIAR_BYTE_ENABLE 0x0f
356 #define CSIAR_BYTE_ENABLE_SHIFT 12
357 #define CSIAR_ADDR_MASK 0x0fff
360 #define EPHYAR_FLAG 0x80000000
361 #define EPHYAR_WRITE_CMD 0x80000000
362 #define EPHYAR_REG_MASK 0x1f
363 #define EPHYAR_REG_SHIFT 16
364 #define EPHYAR_DATA_MASK 0xffff
366 #define PFM_EN (1 << 6)
368 #define FIX_NAK_1 (1 << 4)
369 #define FIX_NAK_2 (1 << 3)
372 #define NOW_IS_OOB (1 << 7)
373 #define EN_NDP (1 << 3)
374 #define EN_OOB_RESET (1 << 2)
376 #define EFUSEAR_FLAG 0x80000000
377 #define EFUSEAR_WRITE_CMD 0x80000000
378 #define EFUSEAR_READ_CMD 0x00000000
379 #define EFUSEAR_REG_MASK 0x03ff
380 #define EFUSEAR_REG_SHIFT 8
381 #define EFUSEAR_DATA_MASK 0xff
384 enum rtl8168_registers {
389 #define ERIAR_FLAG 0x80000000
390 #define ERIAR_WRITE_CMD 0x80000000
391 #define ERIAR_READ_CMD 0x00000000
392 #define ERIAR_ADDR_BYTE_ALIGN 4
393 #define ERIAR_TYPE_SHIFT 16
394 #define ERIAR_EXGMAC (0x00 << ERIAR_TYPE_SHIFT)
395 #define ERIAR_MSIX (0x01 << ERIAR_TYPE_SHIFT)
396 #define ERIAR_ASF (0x02 << ERIAR_TYPE_SHIFT)
397 #define ERIAR_MASK_SHIFT 12
398 #define ERIAR_MASK_0001 (0x1 << ERIAR_MASK_SHIFT)
399 #define ERIAR_MASK_0011 (0x3 << ERIAR_MASK_SHIFT)
400 #define ERIAR_MASK_1111 (0xf << ERIAR_MASK_SHIFT)
401 EPHY_RXER_NUM = 0x7c,
402 OCPDR = 0xb0, /* OCP GPHY access */
403 #define OCPDR_WRITE_CMD 0x80000000
404 #define OCPDR_READ_CMD 0x00000000
405 #define OCPDR_REG_MASK 0x7f
406 #define OCPDR_GPHY_REG_SHIFT 16
407 #define OCPDR_DATA_MASK 0xffff
409 #define OCPAR_FLAG 0x80000000
410 #define OCPAR_GPHY_WRITE_CMD 0x8000f060
411 #define OCPAR_GPHY_READ_CMD 0x0000f060
412 RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */
413 MISC = 0xf0, /* 8168e only. */
414 #define TXPLA_RST (1 << 29)
415 #define PWM_EN (1 << 22)
418 enum rtl_register_content {
419 /* InterruptStatusBits */
423 TxDescUnavail = 0x0080,
447 /* TXPoll register p.5 */
448 HPQ = 0x80, /* Poll cmd on the high prio queue */
449 NPQ = 0x40, /* Poll cmd on the low prio queue */
450 FSWInt = 0x01, /* Forced software interrupt */
454 Cfg9346_Unlock = 0xc0,
459 AcceptBroadcast = 0x08,
460 AcceptMulticast = 0x04,
462 AcceptAllPhys = 0x01,
463 #define RX_CONFIG_ACCEPT_MASK 0x3f
466 TxInterFrameGapShift = 24,
467 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
469 /* Config1 register p.24 */
472 Speed_down = (1 << 4),
476 PMEnable = (1 << 0), /* Power Management Enable */
478 /* Config2 register p. 25 */
479 MSIEnable = (1 << 5), /* 8169 only. Reserved in the 8168. */
480 PCI_Clock_66MHz = 0x01,
481 PCI_Clock_33MHz = 0x00,
483 /* Config3 register p.25 */
484 MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
485 LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
486 Jumbo_En0 = (1 << 2), /* 8168 only. Reserved in the 8168b */
487 Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */
489 /* Config4 register */
490 Jumbo_En1 = (1 << 1), /* 8168 only. Reserved in the 8168b */
492 /* Config5 register p.27 */
493 BWF = (1 << 6), /* Accept Broadcast wakeup frame */
494 MWF = (1 << 5), /* Accept Multicast wakeup frame */
495 UWF = (1 << 4), /* Accept Unicast wakeup frame */
497 LanWake = (1 << 1), /* LanWake enable/disable */
498 PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
501 TBIReset = 0x80000000,
502 TBILoopback = 0x40000000,
503 TBINwEnable = 0x20000000,
504 TBINwRestart = 0x10000000,
505 TBILinkOk = 0x02000000,
506 TBINwComplete = 0x01000000,
509 EnableBist = (1 << 15), // 8168 8101
510 Mac_dbgo_oe = (1 << 14), // 8168 8101
511 Normal_mode = (1 << 13), // unused
512 Force_half_dup = (1 << 12), // 8168 8101
513 Force_rxflow_en = (1 << 11), // 8168 8101
514 Force_txflow_en = (1 << 10), // 8168 8101
515 Cxpl_dbg_sel = (1 << 9), // 8168 8101
516 ASF = (1 << 8), // 8168 8101
517 PktCntrDisable = (1 << 7), // 8168 8101
518 Mac_dbgo_sel = 0x001c, // 8168
523 INTT_0 = 0x0000, // 8168
524 INTT_1 = 0x0001, // 8168
525 INTT_2 = 0x0002, // 8168
526 INTT_3 = 0x0003, // 8168
528 /* rtl8169_PHYstatus */
539 TBILinkOK = 0x02000000,
541 /* DumpCounterCommand */
546 /* First doubleword. */
547 DescOwn = (1 << 31), /* Descriptor is owned by NIC */
548 RingEnd = (1 << 30), /* End of descriptor ring */
549 FirstFrag = (1 << 29), /* First segment of a packet */
550 LastFrag = (1 << 28), /* Final segment of a packet */
554 enum rtl_tx_desc_bit {
555 /* First doubleword. */
556 TD_LSO = (1 << 27), /* Large Send Offload */
557 #define TD_MSS_MAX 0x07ffu /* MSS value */
559 /* Second doubleword. */
560 TxVlanTag = (1 << 17), /* Add VLAN tag */
563 /* 8169, 8168b and 810x except 8102e. */
564 enum rtl_tx_desc_bit_0 {
565 /* First doubleword. */
566 #define TD0_MSS_SHIFT 16 /* MSS position (11 bits) */
567 TD0_TCP_CS = (1 << 16), /* Calculate TCP/IP checksum */
568 TD0_UDP_CS = (1 << 17), /* Calculate UDP/IP checksum */
569 TD0_IP_CS = (1 << 18), /* Calculate IP checksum */
572 /* 8102e, 8168c and beyond. */
573 enum rtl_tx_desc_bit_1 {
574 /* Second doubleword. */
575 #define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */
576 TD1_IP_CS = (1 << 29), /* Calculate IP checksum */
577 TD1_TCP_CS = (1 << 30), /* Calculate TCP/IP checksum */
578 TD1_UDP_CS = (1 << 31), /* Calculate UDP/IP checksum */
581 static const struct rtl_tx_desc_info {
588 } tx_desc_info [] = {
591 .udp = TD0_IP_CS | TD0_UDP_CS,
592 .tcp = TD0_IP_CS | TD0_TCP_CS
594 .mss_shift = TD0_MSS_SHIFT,
599 .udp = TD1_IP_CS | TD1_UDP_CS,
600 .tcp = TD1_IP_CS | TD1_TCP_CS
602 .mss_shift = TD1_MSS_SHIFT,
607 enum rtl_rx_desc_bit {
609 PID1 = (1 << 18), /* Protocol ID bit 1/2 */
610 PID0 = (1 << 17), /* Protocol ID bit 2/2 */
612 #define RxProtoUDP (PID1)
613 #define RxProtoTCP (PID0)
614 #define RxProtoIP (PID1 | PID0)
615 #define RxProtoMask RxProtoIP
617 IPFail = (1 << 16), /* IP checksum failed */
618 UDPFail = (1 << 15), /* UDP/IP checksum failed */
619 TCPFail = (1 << 14), /* TCP/IP checksum failed */
620 RxVlanTag = (1 << 16), /* VLAN tag available */
623 #define RsvdMask 0x3fffc000
640 u8 __pad[sizeof(void *) - sizeof(u32)];
644 RTL_FEATURE_WOL = (1 << 0),
645 RTL_FEATURE_MSI = (1 << 1),
646 RTL_FEATURE_GMII = (1 << 2),
649 struct rtl8169_counters {
656 __le32 tx_one_collision;
657 __le32 tx_multi_collision;
666 RTL_FLAG_TASK_ENABLED,
667 RTL_FLAG_TASK_SLOW_PENDING,
668 RTL_FLAG_TASK_RESET_PENDING,
669 RTL_FLAG_TASK_PHY_PENDING,
673 struct rtl8169_stats {
676 struct u64_stats_sync syncp;
679 struct rtl8169_private {
680 void __iomem *mmio_addr; /* memory map physical address */
681 struct pci_dev *pci_dev;
682 struct net_device *dev;
683 struct napi_struct napi;
687 u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
688 u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
691 struct rtl8169_stats rx_stats;
692 struct rtl8169_stats tx_stats;
693 struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
694 struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
695 dma_addr_t TxPhyAddr;
696 dma_addr_t RxPhyAddr;
697 void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
698 struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
699 struct timer_list timer;
705 void (*write)(void __iomem *, int, int);
706 int (*read)(void __iomem *, int);
709 struct pll_power_ops {
710 void (*down)(struct rtl8169_private *);
711 void (*up)(struct rtl8169_private *);
715 void (*enable)(struct rtl8169_private *);
716 void (*disable)(struct rtl8169_private *);
719 int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
720 int (*get_settings)(struct net_device *, struct ethtool_cmd *);
721 void (*phy_reset_enable)(struct rtl8169_private *tp);
722 void (*hw_start)(struct net_device *);
723 unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
724 unsigned int (*link_ok)(void __iomem *);
725 int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
728 DECLARE_BITMAP(flags, RTL_FLAG_MAX);
730 struct work_struct work;
735 struct mii_if_info mii;
736 struct rtl8169_counters counters;
741 const struct firmware *fw;
743 #define RTL_VER_SIZE 32
745 char version[RTL_VER_SIZE];
747 struct rtl_fw_phy_action {
752 #define RTL_FIRMWARE_UNKNOWN ERR_PTR(-EAGAIN)
755 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
756 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
757 module_param(use_dac, int, 0);
758 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
759 module_param_named(debug, debug.msg_enable, int, 0);
760 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
761 MODULE_LICENSE("GPL");
762 MODULE_VERSION(RTL8169_VERSION);
763 MODULE_FIRMWARE(FIRMWARE_8168D_1);
764 MODULE_FIRMWARE(FIRMWARE_8168D_2);
765 MODULE_FIRMWARE(FIRMWARE_8168E_1);
766 MODULE_FIRMWARE(FIRMWARE_8168E_2);
767 MODULE_FIRMWARE(FIRMWARE_8168E_3);
768 MODULE_FIRMWARE(FIRMWARE_8105E_1);
769 MODULE_FIRMWARE(FIRMWARE_8168F_1);
770 MODULE_FIRMWARE(FIRMWARE_8168F_2);
772 static void rtl_lock_work(struct rtl8169_private *tp)
774 mutex_lock(&tp->wk.mutex);
777 static void rtl_unlock_work(struct rtl8169_private *tp)
779 mutex_unlock(&tp->wk.mutex);
782 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
784 int cap = pci_pcie_cap(pdev);
789 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
790 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
791 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
795 static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
797 void __iomem *ioaddr = tp->mmio_addr;
800 RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
801 for (i = 0; i < 20; i++) {
803 if (RTL_R32(OCPAR) & OCPAR_FLAG)
806 return RTL_R32(OCPDR);
809 static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
811 void __iomem *ioaddr = tp->mmio_addr;
814 RTL_W32(OCPDR, data);
815 RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
816 for (i = 0; i < 20; i++) {
818 if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
823 static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
825 void __iomem *ioaddr = tp->mmio_addr;
829 RTL_W32(ERIAR, 0x800010e8);
831 for (i = 0; i < 5; i++) {
833 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
837 ocp_write(tp, 0x1, 0x30, 0x00000001);
840 #define OOB_CMD_RESET 0x00
841 #define OOB_CMD_DRIVER_START 0x05
842 #define OOB_CMD_DRIVER_STOP 0x06
844 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
846 return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
849 static void rtl8168_driver_start(struct rtl8169_private *tp)
854 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
856 reg = rtl8168_get_ocp_reg(tp);
858 for (i = 0; i < 10; i++) {
860 if (ocp_read(tp, 0x0f, reg) & 0x00000800)
865 static void rtl8168_driver_stop(struct rtl8169_private *tp)
870 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
872 reg = rtl8168_get_ocp_reg(tp);
874 for (i = 0; i < 10; i++) {
876 if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
881 static int r8168dp_check_dash(struct rtl8169_private *tp)
883 u16 reg = rtl8168_get_ocp_reg(tp);
885 return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
888 static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
892 RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
894 for (i = 20; i > 0; i--) {
896 * Check if the RTL8169 has completed writing to the specified
899 if (!(RTL_R32(PHYAR) & 0x80000000))
904 * According to hardware specs a 20us delay is required after write
905 * complete indication, but before sending next command.
910 static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
914 RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
916 for (i = 20; i > 0; i--) {
918 * Check if the RTL8169 has completed retrieving data from
919 * the specified MII register.
921 if (RTL_R32(PHYAR) & 0x80000000) {
922 value = RTL_R32(PHYAR) & 0xffff;
928 * According to hardware specs a 20us delay is required after read
929 * complete indication, but before sending next command.
936 static void r8168dp_1_mdio_access(void __iomem *ioaddr, int reg_addr, u32 data)
940 RTL_W32(OCPDR, data |
941 ((reg_addr & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
942 RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
943 RTL_W32(EPHY_RXER_NUM, 0);
945 for (i = 0; i < 100; i++) {
947 if (!(RTL_R32(OCPAR) & OCPAR_FLAG))
952 static void r8168dp_1_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
954 r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_WRITE_CMD |
955 (value & OCPDR_DATA_MASK));
958 static int r8168dp_1_mdio_read(void __iomem *ioaddr, int reg_addr)
962 r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_READ_CMD);
965 RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
966 RTL_W32(EPHY_RXER_NUM, 0);
968 for (i = 0; i < 100; i++) {
970 if (RTL_R32(OCPAR) & OCPAR_FLAG)
974 return RTL_R32(OCPDR) & OCPDR_DATA_MASK;
977 #define R8168DP_1_MDIO_ACCESS_BIT 0x00020000
979 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
981 RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
984 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
986 RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
989 static void r8168dp_2_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
991 r8168dp_2_mdio_start(ioaddr);
993 r8169_mdio_write(ioaddr, reg_addr, value);
995 r8168dp_2_mdio_stop(ioaddr);
998 static int r8168dp_2_mdio_read(void __iomem *ioaddr, int reg_addr)
1002 r8168dp_2_mdio_start(ioaddr);
1004 value = r8169_mdio_read(ioaddr, reg_addr);
1006 r8168dp_2_mdio_stop(ioaddr);
1011 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
1013 tp->mdio_ops.write(tp->mmio_addr, location, val);
1016 static int rtl_readphy(struct rtl8169_private *tp, int location)
1018 return tp->mdio_ops.read(tp->mmio_addr, location);
1021 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
1023 rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
1026 static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
1030 val = rtl_readphy(tp, reg_addr);
1031 rtl_writephy(tp, reg_addr, (val | p) & ~m);
1034 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
1037 struct rtl8169_private *tp = netdev_priv(dev);
1039 rtl_writephy(tp, location, val);
1042 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
1044 struct rtl8169_private *tp = netdev_priv(dev);
1046 return rtl_readphy(tp, location);
1049 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
1053 RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
1054 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1056 for (i = 0; i < 100; i++) {
1057 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
1063 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
1068 RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1070 for (i = 0; i < 100; i++) {
1071 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
1072 value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
1081 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
1085 RTL_W32(CSIDR, value);
1086 RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
1087 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1089 for (i = 0; i < 100; i++) {
1090 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
1096 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
1101 RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
1102 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1104 for (i = 0; i < 100; i++) {
1105 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
1106 value = RTL_R32(CSIDR);
1116 void rtl_eri_write(void __iomem *ioaddr, int addr, u32 mask, u32 val, int type)
1120 BUG_ON((addr & 3) || (mask == 0));
1121 RTL_W32(ERIDR, val);
1122 RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1124 for (i = 0; i < 100; i++) {
1125 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
1131 static u32 rtl_eri_read(void __iomem *ioaddr, int addr, int type)
1136 RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1138 for (i = 0; i < 100; i++) {
1139 if (RTL_R32(ERIAR) & ERIAR_FLAG) {
1140 value = RTL_R32(ERIDR);
1150 rtl_w1w0_eri(void __iomem *ioaddr, int addr, u32 mask, u32 p, u32 m, int type)
1154 val = rtl_eri_read(ioaddr, addr, type);
1155 rtl_eri_write(ioaddr, addr, mask, (val & ~m) | p, type);
1164 static void rtl_write_exgmac_batch(void __iomem *ioaddr,
1165 const struct exgmac_reg *r, int len)
1168 rtl_eri_write(ioaddr, r->addr, r->mask, r->val, ERIAR_EXGMAC);
1173 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
1178 RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1180 for (i = 0; i < 300; i++) {
1181 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
1182 value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
1191 static u16 rtl_get_events(struct rtl8169_private *tp)
1193 void __iomem *ioaddr = tp->mmio_addr;
1195 return RTL_R16(IntrStatus);
1198 static void rtl_ack_events(struct rtl8169_private *tp, u16 bits)
1200 void __iomem *ioaddr = tp->mmio_addr;
1202 RTL_W16(IntrStatus, bits);
1206 static void rtl_irq_disable(struct rtl8169_private *tp)
1208 void __iomem *ioaddr = tp->mmio_addr;
1210 RTL_W16(IntrMask, 0);
1214 static void rtl_irq_enable(struct rtl8169_private *tp, u16 bits)
1216 void __iomem *ioaddr = tp->mmio_addr;
1218 RTL_W16(IntrMask, bits);
1221 #define RTL_EVENT_NAPI_RX (RxOK | RxErr)
1222 #define RTL_EVENT_NAPI_TX (TxOK | TxErr)
1223 #define RTL_EVENT_NAPI (RTL_EVENT_NAPI_RX | RTL_EVENT_NAPI_TX)
1225 static void rtl_irq_enable_all(struct rtl8169_private *tp)
1227 rtl_irq_enable(tp, RTL_EVENT_NAPI | tp->event_slow);
1230 static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
1232 void __iomem *ioaddr = tp->mmio_addr;
1234 rtl_irq_disable(tp);
1235 rtl_ack_events(tp, RTL_EVENT_NAPI | tp->event_slow);
1239 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1241 void __iomem *ioaddr = tp->mmio_addr;
1243 return RTL_R32(TBICSR) & TBIReset;
1246 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1248 return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1251 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1253 return RTL_R32(TBICSR) & TBILinkOk;
1256 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1258 return RTL_R8(PHYstatus) & LinkStatus;
1261 static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1263 void __iomem *ioaddr = tp->mmio_addr;
1265 RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1268 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1272 val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1273 rtl_writephy(tp, MII_BMCR, val & 0xffff);
1276 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1278 void __iomem *ioaddr = tp->mmio_addr;
1279 struct net_device *dev = tp->dev;
1281 if (!netif_running(dev))
1284 if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
1285 if (RTL_R8(PHYstatus) & _1000bpsF) {
1286 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1287 0x00000011, ERIAR_EXGMAC);
1288 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1289 0x00000005, ERIAR_EXGMAC);
1290 } else if (RTL_R8(PHYstatus) & _100bps) {
1291 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1292 0x0000001f, ERIAR_EXGMAC);
1293 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1294 0x00000005, ERIAR_EXGMAC);
1296 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1297 0x0000001f, ERIAR_EXGMAC);
1298 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1299 0x0000003f, ERIAR_EXGMAC);
1301 /* Reset packet filter */
1302 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
1304 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
1306 } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 ||
1307 tp->mac_version == RTL_GIGA_MAC_VER_36) {
1308 if (RTL_R8(PHYstatus) & _1000bpsF) {
1309 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1310 0x00000011, ERIAR_EXGMAC);
1311 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1312 0x00000005, ERIAR_EXGMAC);
1314 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1315 0x0000001f, ERIAR_EXGMAC);
1316 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1317 0x0000003f, ERIAR_EXGMAC);
1322 static void __rtl8169_check_link_status(struct net_device *dev,
1323 struct rtl8169_private *tp,
1324 void __iomem *ioaddr, bool pm)
1326 if (tp->link_ok(ioaddr)) {
1327 rtl_link_chg_patch(tp);
1328 /* This is to cancel a scheduled suspend if there's one. */
1330 pm_request_resume(&tp->pci_dev->dev);
1331 netif_carrier_on(dev);
1332 if (net_ratelimit())
1333 netif_info(tp, ifup, dev, "link up\n");
1335 netif_carrier_off(dev);
1336 netif_info(tp, ifdown, dev, "link down\n");
1338 pm_schedule_suspend(&tp->pci_dev->dev, 5000);
1342 static void rtl8169_check_link_status(struct net_device *dev,
1343 struct rtl8169_private *tp,
1344 void __iomem *ioaddr)
1346 __rtl8169_check_link_status(dev, tp, ioaddr, false);
1349 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1351 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1353 void __iomem *ioaddr = tp->mmio_addr;
1357 options = RTL_R8(Config1);
1358 if (!(options & PMEnable))
1361 options = RTL_R8(Config3);
1362 if (options & LinkUp)
1363 wolopts |= WAKE_PHY;
1364 if (options & MagicPacket)
1365 wolopts |= WAKE_MAGIC;
1367 options = RTL_R8(Config5);
1369 wolopts |= WAKE_UCAST;
1371 wolopts |= WAKE_BCAST;
1373 wolopts |= WAKE_MCAST;
1378 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1380 struct rtl8169_private *tp = netdev_priv(dev);
1384 wol->supported = WAKE_ANY;
1385 wol->wolopts = __rtl8169_get_wol(tp);
1387 rtl_unlock_work(tp);
1390 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1392 void __iomem *ioaddr = tp->mmio_addr;
1394 static const struct {
1399 { WAKE_PHY, Config3, LinkUp },
1400 { WAKE_MAGIC, Config3, MagicPacket },
1401 { WAKE_UCAST, Config5, UWF },
1402 { WAKE_BCAST, Config5, BWF },
1403 { WAKE_MCAST, Config5, MWF },
1404 { WAKE_ANY, Config5, LanWake }
1408 RTL_W8(Cfg9346, Cfg9346_Unlock);
1410 for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1411 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1412 if (wolopts & cfg[i].opt)
1413 options |= cfg[i].mask;
1414 RTL_W8(cfg[i].reg, options);
1417 switch (tp->mac_version) {
1418 case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_17:
1419 options = RTL_R8(Config1) & ~PMEnable;
1421 options |= PMEnable;
1422 RTL_W8(Config1, options);
1428 RTL_W8(Cfg9346, Cfg9346_Lock);
1431 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1433 struct rtl8169_private *tp = netdev_priv(dev);
1438 tp->features |= RTL_FEATURE_WOL;
1440 tp->features &= ~RTL_FEATURE_WOL;
1441 __rtl8169_set_wol(tp, wol->wolopts);
1443 rtl_unlock_work(tp);
1445 device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1450 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1452 return rtl_chip_infos[tp->mac_version].fw_name;
1455 static void rtl8169_get_drvinfo(struct net_device *dev,
1456 struct ethtool_drvinfo *info)
1458 struct rtl8169_private *tp = netdev_priv(dev);
1459 struct rtl_fw *rtl_fw = tp->rtl_fw;
1461 strlcpy(info->driver, MODULENAME, sizeof(info->driver));
1462 strlcpy(info->version, RTL8169_VERSION, sizeof(info->version));
1463 strlcpy(info->bus_info, pci_name(tp->pci_dev), sizeof(info->bus_info));
1464 BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1465 if (!IS_ERR_OR_NULL(rtl_fw))
1466 strlcpy(info->fw_version, rtl_fw->version,
1467 sizeof(info->fw_version));
1470 static int rtl8169_get_regs_len(struct net_device *dev)
1472 return R8169_REGS_SIZE;
1475 static int rtl8169_set_speed_tbi(struct net_device *dev,
1476 u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1478 struct rtl8169_private *tp = netdev_priv(dev);
1479 void __iomem *ioaddr = tp->mmio_addr;
1483 reg = RTL_R32(TBICSR);
1484 if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1485 (duplex == DUPLEX_FULL)) {
1486 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1487 } else if (autoneg == AUTONEG_ENABLE)
1488 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1490 netif_warn(tp, link, dev,
1491 "incorrect speed setting refused in TBI mode\n");
1498 static int rtl8169_set_speed_xmii(struct net_device *dev,
1499 u8 autoneg, u16 speed, u8 duplex, u32 adv)
1501 struct rtl8169_private *tp = netdev_priv(dev);
1502 int giga_ctrl, bmcr;
1505 rtl_writephy(tp, 0x1f, 0x0000);
1507 if (autoneg == AUTONEG_ENABLE) {
1510 auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1511 auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1512 ADVERTISE_100HALF | ADVERTISE_100FULL);
1514 if (adv & ADVERTISED_10baseT_Half)
1515 auto_nego |= ADVERTISE_10HALF;
1516 if (adv & ADVERTISED_10baseT_Full)
1517 auto_nego |= ADVERTISE_10FULL;
1518 if (adv & ADVERTISED_100baseT_Half)
1519 auto_nego |= ADVERTISE_100HALF;
1520 if (adv & ADVERTISED_100baseT_Full)
1521 auto_nego |= ADVERTISE_100FULL;
1523 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1525 giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1526 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1528 /* The 8100e/8101e/8102e do Fast Ethernet only. */
1529 if (tp->mii.supports_gmii) {
1530 if (adv & ADVERTISED_1000baseT_Half)
1531 giga_ctrl |= ADVERTISE_1000HALF;
1532 if (adv & ADVERTISED_1000baseT_Full)
1533 giga_ctrl |= ADVERTISE_1000FULL;
1534 } else if (adv & (ADVERTISED_1000baseT_Half |
1535 ADVERTISED_1000baseT_Full)) {
1536 netif_info(tp, link, dev,
1537 "PHY does not support 1000Mbps\n");
1541 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1543 rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1544 rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1548 if (speed == SPEED_10)
1550 else if (speed == SPEED_100)
1551 bmcr = BMCR_SPEED100;
1555 if (duplex == DUPLEX_FULL)
1556 bmcr |= BMCR_FULLDPLX;
1559 rtl_writephy(tp, MII_BMCR, bmcr);
1561 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1562 tp->mac_version == RTL_GIGA_MAC_VER_03) {
1563 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1564 rtl_writephy(tp, 0x17, 0x2138);
1565 rtl_writephy(tp, 0x0e, 0x0260);
1567 rtl_writephy(tp, 0x17, 0x2108);
1568 rtl_writephy(tp, 0x0e, 0x0000);
1577 static int rtl8169_set_speed(struct net_device *dev,
1578 u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1580 struct rtl8169_private *tp = netdev_priv(dev);
1583 ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1587 if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1588 (advertising & ADVERTISED_1000baseT_Full)) {
1589 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1595 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1597 struct rtl8169_private *tp = netdev_priv(dev);
1600 del_timer_sync(&tp->timer);
1603 ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1604 cmd->duplex, cmd->advertising);
1605 rtl_unlock_work(tp);
1610 static netdev_features_t rtl8169_fix_features(struct net_device *dev,
1611 netdev_features_t features)
1613 struct rtl8169_private *tp = netdev_priv(dev);
1615 if (dev->mtu > TD_MSS_MAX)
1616 features &= ~NETIF_F_ALL_TSO;
1618 if (dev->mtu > JUMBO_1K &&
1619 !rtl_chip_infos[tp->mac_version].jumbo_tx_csum)
1620 features &= ~NETIF_F_IP_CSUM;
1625 static void __rtl8169_set_features(struct net_device *dev,
1626 netdev_features_t features)
1628 struct rtl8169_private *tp = netdev_priv(dev);
1629 netdev_features_t changed = features ^ dev->features;
1630 void __iomem *ioaddr = tp->mmio_addr;
1632 if (!(changed & (NETIF_F_RXALL | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_RX)))
1635 if (changed & (NETIF_F_RXCSUM | NETIF_F_HW_VLAN_RX)) {
1636 if (features & NETIF_F_RXCSUM)
1637 tp->cp_cmd |= RxChkSum;
1639 tp->cp_cmd &= ~RxChkSum;
1641 if (dev->features & NETIF_F_HW_VLAN_RX)
1642 tp->cp_cmd |= RxVlan;
1644 tp->cp_cmd &= ~RxVlan;
1646 RTL_W16(CPlusCmd, tp->cp_cmd);
1649 if (changed & NETIF_F_RXALL) {
1650 int tmp = (RTL_R32(RxConfig) & ~(AcceptErr | AcceptRunt));
1651 if (features & NETIF_F_RXALL)
1652 tmp |= (AcceptErr | AcceptRunt);
1653 RTL_W32(RxConfig, tmp);
1657 static int rtl8169_set_features(struct net_device *dev,
1658 netdev_features_t features)
1660 struct rtl8169_private *tp = netdev_priv(dev);
1663 __rtl8169_set_features(dev, features);
1664 rtl_unlock_work(tp);
1670 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1671 struct sk_buff *skb)
1673 return (vlan_tx_tag_present(skb)) ?
1674 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1677 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1679 u32 opts2 = le32_to_cpu(desc->opts2);
1681 if (opts2 & RxVlanTag)
1682 __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
1687 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1689 struct rtl8169_private *tp = netdev_priv(dev);
1690 void __iomem *ioaddr = tp->mmio_addr;
1694 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1695 cmd->port = PORT_FIBRE;
1696 cmd->transceiver = XCVR_INTERNAL;
1698 status = RTL_R32(TBICSR);
1699 cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0;
1700 cmd->autoneg = !!(status & TBINwEnable);
1702 ethtool_cmd_speed_set(cmd, SPEED_1000);
1703 cmd->duplex = DUPLEX_FULL; /* Always set */
1708 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1710 struct rtl8169_private *tp = netdev_priv(dev);
1712 return mii_ethtool_gset(&tp->mii, cmd);
1715 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1717 struct rtl8169_private *tp = netdev_priv(dev);
1721 rc = tp->get_settings(dev, cmd);
1722 rtl_unlock_work(tp);
1727 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1730 struct rtl8169_private *tp = netdev_priv(dev);
1732 if (regs->len > R8169_REGS_SIZE)
1733 regs->len = R8169_REGS_SIZE;
1736 memcpy_fromio(p, tp->mmio_addr, regs->len);
1737 rtl_unlock_work(tp);
1740 static u32 rtl8169_get_msglevel(struct net_device *dev)
1742 struct rtl8169_private *tp = netdev_priv(dev);
1744 return tp->msg_enable;
1747 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1749 struct rtl8169_private *tp = netdev_priv(dev);
1751 tp->msg_enable = value;
1754 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1761 "tx_single_collisions",
1762 "tx_multi_collisions",
1770 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1774 return ARRAY_SIZE(rtl8169_gstrings);
1780 static void rtl8169_update_counters(struct net_device *dev)
1782 struct rtl8169_private *tp = netdev_priv(dev);
1783 void __iomem *ioaddr = tp->mmio_addr;
1784 struct device *d = &tp->pci_dev->dev;
1785 struct rtl8169_counters *counters;
1791 * Some chips are unable to dump tally counters when the receiver
1794 if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1797 counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1801 RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1802 cmd = (u64)paddr & DMA_BIT_MASK(32);
1803 RTL_W32(CounterAddrLow, cmd);
1804 RTL_W32(CounterAddrLow, cmd | CounterDump);
1807 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1808 memcpy(&tp->counters, counters, sizeof(*counters));
1814 RTL_W32(CounterAddrLow, 0);
1815 RTL_W32(CounterAddrHigh, 0);
1817 dma_free_coherent(d, sizeof(*counters), counters, paddr);
1820 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1821 struct ethtool_stats *stats, u64 *data)
1823 struct rtl8169_private *tp = netdev_priv(dev);
1827 rtl8169_update_counters(dev);
1829 data[0] = le64_to_cpu(tp->counters.tx_packets);
1830 data[1] = le64_to_cpu(tp->counters.rx_packets);
1831 data[2] = le64_to_cpu(tp->counters.tx_errors);
1832 data[3] = le32_to_cpu(tp->counters.rx_errors);
1833 data[4] = le16_to_cpu(tp->counters.rx_missed);
1834 data[5] = le16_to_cpu(tp->counters.align_errors);
1835 data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1836 data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1837 data[8] = le64_to_cpu(tp->counters.rx_unicast);
1838 data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1839 data[10] = le32_to_cpu(tp->counters.rx_multicast);
1840 data[11] = le16_to_cpu(tp->counters.tx_aborted);
1841 data[12] = le16_to_cpu(tp->counters.tx_underun);
1844 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1848 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1853 static const struct ethtool_ops rtl8169_ethtool_ops = {
1854 .get_drvinfo = rtl8169_get_drvinfo,
1855 .get_regs_len = rtl8169_get_regs_len,
1856 .get_link = ethtool_op_get_link,
1857 .get_settings = rtl8169_get_settings,
1858 .set_settings = rtl8169_set_settings,
1859 .get_msglevel = rtl8169_get_msglevel,
1860 .set_msglevel = rtl8169_set_msglevel,
1861 .get_regs = rtl8169_get_regs,
1862 .get_wol = rtl8169_get_wol,
1863 .set_wol = rtl8169_set_wol,
1864 .get_strings = rtl8169_get_strings,
1865 .get_sset_count = rtl8169_get_sset_count,
1866 .get_ethtool_stats = rtl8169_get_ethtool_stats,
1867 .get_ts_info = ethtool_op_get_ts_info,
1870 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1871 struct net_device *dev, u8 default_version)
1873 void __iomem *ioaddr = tp->mmio_addr;
1875 * The driver currently handles the 8168Bf and the 8168Be identically
1876 * but they can be identified more specifically through the test below
1879 * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1881 * Same thing for the 8101Eb and the 8101Ec:
1883 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1885 static const struct rtl_mac_info {
1891 { 0x7cf00000, 0x48100000, RTL_GIGA_MAC_VER_36 },
1892 { 0x7cf00000, 0x48000000, RTL_GIGA_MAC_VER_35 },
1895 { 0x7c800000, 0x2c800000, RTL_GIGA_MAC_VER_34 },
1896 { 0x7cf00000, 0x2c200000, RTL_GIGA_MAC_VER_33 },
1897 { 0x7cf00000, 0x2c100000, RTL_GIGA_MAC_VER_32 },
1898 { 0x7c800000, 0x2c000000, RTL_GIGA_MAC_VER_33 },
1901 { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 },
1902 { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 },
1903 { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 },
1905 /* 8168DP family. */
1906 { 0x7cf00000, 0x28800000, RTL_GIGA_MAC_VER_27 },
1907 { 0x7cf00000, 0x28a00000, RTL_GIGA_MAC_VER_28 },
1908 { 0x7cf00000, 0x28b00000, RTL_GIGA_MAC_VER_31 },
1911 { 0x7cf00000, 0x3cb00000, RTL_GIGA_MAC_VER_24 },
1912 { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 },
1913 { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
1914 { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 },
1915 { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
1916 { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
1917 { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 },
1918 { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 },
1919 { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 },
1922 { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 },
1923 { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 },
1924 { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 },
1925 { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },
1928 { 0x7cf00000, 0x40b00000, RTL_GIGA_MAC_VER_30 },
1929 { 0x7cf00000, 0x40a00000, RTL_GIGA_MAC_VER_30 },
1930 { 0x7cf00000, 0x40900000, RTL_GIGA_MAC_VER_29 },
1931 { 0x7c800000, 0x40800000, RTL_GIGA_MAC_VER_30 },
1932 { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 },
1933 { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 },
1934 { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 },
1935 { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 },
1936 { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 },
1937 { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 },
1938 { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
1939 { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 },
1940 { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
1941 { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 },
1942 { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 },
1943 { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 },
1944 /* FIXME: where did these entries come from ? -- FR */
1945 { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 },
1946 { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 },
1949 { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 },
1950 { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 },
1951 { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 },
1952 { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 },
1953 { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 },
1954 { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 },
1957 { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE }
1959 const struct rtl_mac_info *p = mac_info;
1962 reg = RTL_R32(TxConfig);
1963 while ((reg & p->mask) != p->val)
1965 tp->mac_version = p->mac_version;
1967 if (tp->mac_version == RTL_GIGA_MAC_NONE) {
1968 netif_notice(tp, probe, dev,
1969 "unknown MAC, using family default\n");
1970 tp->mac_version = default_version;
1974 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1976 dprintk("mac_version = 0x%02x\n", tp->mac_version);
1984 static void rtl_writephy_batch(struct rtl8169_private *tp,
1985 const struct phy_reg *regs, int len)
1988 rtl_writephy(tp, regs->reg, regs->val);
1993 #define PHY_READ 0x00000000
1994 #define PHY_DATA_OR 0x10000000
1995 #define PHY_DATA_AND 0x20000000
1996 #define PHY_BJMPN 0x30000000
1997 #define PHY_READ_EFUSE 0x40000000
1998 #define PHY_READ_MAC_BYTE 0x50000000
1999 #define PHY_WRITE_MAC_BYTE 0x60000000
2000 #define PHY_CLEAR_READCOUNT 0x70000000
2001 #define PHY_WRITE 0x80000000
2002 #define PHY_READCOUNT_EQ_SKIP 0x90000000
2003 #define PHY_COMP_EQ_SKIPN 0xa0000000
2004 #define PHY_COMP_NEQ_SKIPN 0xb0000000
2005 #define PHY_WRITE_PREVIOUS 0xc0000000
2006 #define PHY_SKIPN 0xd0000000
2007 #define PHY_DELAY_MS 0xe0000000
2008 #define PHY_WRITE_ERI_WORD 0xf0000000
2012 char version[RTL_VER_SIZE];
2018 #define FW_OPCODE_SIZE sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
2020 static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2022 const struct firmware *fw = rtl_fw->fw;
2023 struct fw_info *fw_info = (struct fw_info *)fw->data;
2024 struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2025 char *version = rtl_fw->version;
2028 if (fw->size < FW_OPCODE_SIZE)
2031 if (!fw_info->magic) {
2032 size_t i, size, start;
2035 if (fw->size < sizeof(*fw_info))
2038 for (i = 0; i < fw->size; i++)
2039 checksum += fw->data[i];
2043 start = le32_to_cpu(fw_info->fw_start);
2044 if (start > fw->size)
2047 size = le32_to_cpu(fw_info->fw_len);
2048 if (size > (fw->size - start) / FW_OPCODE_SIZE)
2051 memcpy(version, fw_info->version, RTL_VER_SIZE);
2053 pa->code = (__le32 *)(fw->data + start);
2056 if (fw->size % FW_OPCODE_SIZE)
2059 strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
2061 pa->code = (__le32 *)fw->data;
2062 pa->size = fw->size / FW_OPCODE_SIZE;
2064 version[RTL_VER_SIZE - 1] = 0;
2071 static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
2072 struct rtl_fw_phy_action *pa)
2077 for (index = 0; index < pa->size; index++) {
2078 u32 action = le32_to_cpu(pa->code[index]);
2079 u32 regno = (action & 0x0fff0000) >> 16;
2081 switch(action & 0xf0000000) {
2085 case PHY_READ_EFUSE:
2086 case PHY_CLEAR_READCOUNT:
2088 case PHY_WRITE_PREVIOUS:
2093 if (regno > index) {
2094 netif_err(tp, ifup, tp->dev,
2095 "Out of range of firmware\n");
2099 case PHY_READCOUNT_EQ_SKIP:
2100 if (index + 2 >= pa->size) {
2101 netif_err(tp, ifup, tp->dev,
2102 "Out of range of firmware\n");
2106 case PHY_COMP_EQ_SKIPN:
2107 case PHY_COMP_NEQ_SKIPN:
2109 if (index + 1 + regno >= pa->size) {
2110 netif_err(tp, ifup, tp->dev,
2111 "Out of range of firmware\n");
2116 case PHY_READ_MAC_BYTE:
2117 case PHY_WRITE_MAC_BYTE:
2118 case PHY_WRITE_ERI_WORD:
2120 netif_err(tp, ifup, tp->dev,
2121 "Invalid action 0x%08x\n", action);
2130 static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2132 struct net_device *dev = tp->dev;
2135 if (!rtl_fw_format_ok(tp, rtl_fw)) {
2136 netif_err(tp, ifup, dev, "invalid firwmare\n");
2140 if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
2146 static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2148 struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2152 predata = count = 0;
2154 for (index = 0; index < pa->size; ) {
2155 u32 action = le32_to_cpu(pa->code[index]);
2156 u32 data = action & 0x0000ffff;
2157 u32 regno = (action & 0x0fff0000) >> 16;
2162 switch(action & 0xf0000000) {
2164 predata = rtl_readphy(tp, regno);
2179 case PHY_READ_EFUSE:
2180 predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
2183 case PHY_CLEAR_READCOUNT:
2188 rtl_writephy(tp, regno, data);
2191 case PHY_READCOUNT_EQ_SKIP:
2192 index += (count == data) ? 2 : 1;
2194 case PHY_COMP_EQ_SKIPN:
2195 if (predata == data)
2199 case PHY_COMP_NEQ_SKIPN:
2200 if (predata != data)
2204 case PHY_WRITE_PREVIOUS:
2205 rtl_writephy(tp, regno, predata);
2216 case PHY_READ_MAC_BYTE:
2217 case PHY_WRITE_MAC_BYTE:
2218 case PHY_WRITE_ERI_WORD:
2225 static void rtl_release_firmware(struct rtl8169_private *tp)
2227 if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
2228 release_firmware(tp->rtl_fw->fw);
2231 tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2234 static void rtl_apply_firmware(struct rtl8169_private *tp)
2236 struct rtl_fw *rtl_fw = tp->rtl_fw;
2238 /* TODO: release firmware once rtl_phy_write_fw signals failures. */
2239 if (!IS_ERR_OR_NULL(rtl_fw))
2240 rtl_phy_write_fw(tp, rtl_fw);
2243 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2245 if (rtl_readphy(tp, reg) != val)
2246 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2248 rtl_apply_firmware(tp);
2251 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2253 static const struct phy_reg phy_reg_init[] = {
2315 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2318 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2320 static const struct phy_reg phy_reg_init[] = {
2326 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2329 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2331 struct pci_dev *pdev = tp->pci_dev;
2333 if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2334 (pdev->subsystem_device != 0xe000))
2337 rtl_writephy(tp, 0x1f, 0x0001);
2338 rtl_writephy(tp, 0x10, 0xf01b);
2339 rtl_writephy(tp, 0x1f, 0x0000);
2342 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2344 static const struct phy_reg phy_reg_init[] = {
2384 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2386 rtl8169scd_hw_phy_config_quirk(tp);
2389 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2391 static const struct phy_reg phy_reg_init[] = {
2439 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2442 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2444 static const struct phy_reg phy_reg_init[] = {
2449 rtl_writephy(tp, 0x1f, 0x0001);
2450 rtl_patchphy(tp, 0x16, 1 << 0);
2452 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2455 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2457 static const struct phy_reg phy_reg_init[] = {
2463 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2466 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2468 static const struct phy_reg phy_reg_init[] = {
2476 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2479 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2481 static const struct phy_reg phy_reg_init[] = {
2487 rtl_writephy(tp, 0x1f, 0x0000);
2488 rtl_patchphy(tp, 0x14, 1 << 5);
2489 rtl_patchphy(tp, 0x0d, 1 << 5);
2491 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2494 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2496 static const struct phy_reg phy_reg_init[] = {
2516 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2518 rtl_patchphy(tp, 0x14, 1 << 5);
2519 rtl_patchphy(tp, 0x0d, 1 << 5);
2520 rtl_writephy(tp, 0x1f, 0x0000);
2523 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2525 static const struct phy_reg phy_reg_init[] = {
2543 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2545 rtl_patchphy(tp, 0x16, 1 << 0);
2546 rtl_patchphy(tp, 0x14, 1 << 5);
2547 rtl_patchphy(tp, 0x0d, 1 << 5);
2548 rtl_writephy(tp, 0x1f, 0x0000);
2551 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2553 static const struct phy_reg phy_reg_init[] = {
2565 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2567 rtl_patchphy(tp, 0x16, 1 << 0);
2568 rtl_patchphy(tp, 0x14, 1 << 5);
2569 rtl_patchphy(tp, 0x0d, 1 << 5);
2570 rtl_writephy(tp, 0x1f, 0x0000);
2573 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2575 rtl8168c_3_hw_phy_config(tp);
2578 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2580 static const struct phy_reg phy_reg_init_0[] = {
2581 /* Channel Estimation */
2602 * Enhance line driver power
2611 * Can not link to 1Gbps with bad cable
2612 * Decrease SNR threshold form 21.07dB to 19.04dB
2620 void __iomem *ioaddr = tp->mmio_addr;
2622 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2626 * Fine Tune Switching regulator parameter
2628 rtl_writephy(tp, 0x1f, 0x0002);
2629 rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2630 rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2632 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2633 static const struct phy_reg phy_reg_init[] = {
2643 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2645 val = rtl_readphy(tp, 0x0d);
2647 if ((val & 0x00ff) != 0x006c) {
2648 static const u32 set[] = {
2649 0x0065, 0x0066, 0x0067, 0x0068,
2650 0x0069, 0x006a, 0x006b, 0x006c
2654 rtl_writephy(tp, 0x1f, 0x0002);
2657 for (i = 0; i < ARRAY_SIZE(set); i++)
2658 rtl_writephy(tp, 0x0d, val | set[i]);
2661 static const struct phy_reg phy_reg_init[] = {
2669 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2672 /* RSET couple improve */
2673 rtl_writephy(tp, 0x1f, 0x0002);
2674 rtl_patchphy(tp, 0x0d, 0x0300);
2675 rtl_patchphy(tp, 0x0f, 0x0010);
2677 /* Fine tune PLL performance */
2678 rtl_writephy(tp, 0x1f, 0x0002);
2679 rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2680 rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2682 rtl_writephy(tp, 0x1f, 0x0005);
2683 rtl_writephy(tp, 0x05, 0x001b);
2685 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2687 rtl_writephy(tp, 0x1f, 0x0000);
2690 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2692 static const struct phy_reg phy_reg_init_0[] = {
2693 /* Channel Estimation */
2714 * Enhance line driver power
2723 * Can not link to 1Gbps with bad cable
2724 * Decrease SNR threshold form 21.07dB to 19.04dB
2732 void __iomem *ioaddr = tp->mmio_addr;
2734 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2736 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2737 static const struct phy_reg phy_reg_init[] = {
2748 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2750 val = rtl_readphy(tp, 0x0d);
2751 if ((val & 0x00ff) != 0x006c) {
2752 static const u32 set[] = {
2753 0x0065, 0x0066, 0x0067, 0x0068,
2754 0x0069, 0x006a, 0x006b, 0x006c
2758 rtl_writephy(tp, 0x1f, 0x0002);
2761 for (i = 0; i < ARRAY_SIZE(set); i++)
2762 rtl_writephy(tp, 0x0d, val | set[i]);
2765 static const struct phy_reg phy_reg_init[] = {
2773 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2776 /* Fine tune PLL performance */
2777 rtl_writephy(tp, 0x1f, 0x0002);
2778 rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2779 rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2781 /* Switching regulator Slew rate */
2782 rtl_writephy(tp, 0x1f, 0x0002);
2783 rtl_patchphy(tp, 0x0f, 0x0017);
2785 rtl_writephy(tp, 0x1f, 0x0005);
2786 rtl_writephy(tp, 0x05, 0x001b);
2788 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2790 rtl_writephy(tp, 0x1f, 0x0000);
2793 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2795 static const struct phy_reg phy_reg_init[] = {
2851 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2854 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
2856 static const struct phy_reg phy_reg_init[] = {
2866 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2867 rtl_patchphy(tp, 0x0d, 1 << 5);
2870 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
2872 static const struct phy_reg phy_reg_init[] = {
2873 /* Enable Delay cap */
2879 /* Channel estimation fine tune */
2888 /* Update PFM & 10M TX idle timer */
2900 rtl_apply_firmware(tp);
2902 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2904 /* DCO enable for 10M IDLE Power */
2905 rtl_writephy(tp, 0x1f, 0x0007);
2906 rtl_writephy(tp, 0x1e, 0x0023);
2907 rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2908 rtl_writephy(tp, 0x1f, 0x0000);
2910 /* For impedance matching */
2911 rtl_writephy(tp, 0x1f, 0x0002);
2912 rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
2913 rtl_writephy(tp, 0x1f, 0x0000);
2915 /* PHY auto speed down */
2916 rtl_writephy(tp, 0x1f, 0x0007);
2917 rtl_writephy(tp, 0x1e, 0x002d);
2918 rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
2919 rtl_writephy(tp, 0x1f, 0x0000);
2920 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2922 rtl_writephy(tp, 0x1f, 0x0005);
2923 rtl_writephy(tp, 0x05, 0x8b86);
2924 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2925 rtl_writephy(tp, 0x1f, 0x0000);
2927 rtl_writephy(tp, 0x1f, 0x0005);
2928 rtl_writephy(tp, 0x05, 0x8b85);
2929 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2930 rtl_writephy(tp, 0x1f, 0x0007);
2931 rtl_writephy(tp, 0x1e, 0x0020);
2932 rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
2933 rtl_writephy(tp, 0x1f, 0x0006);
2934 rtl_writephy(tp, 0x00, 0x5a00);
2935 rtl_writephy(tp, 0x1f, 0x0000);
2936 rtl_writephy(tp, 0x0d, 0x0007);
2937 rtl_writephy(tp, 0x0e, 0x003c);
2938 rtl_writephy(tp, 0x0d, 0x4007);
2939 rtl_writephy(tp, 0x0e, 0x0000);
2940 rtl_writephy(tp, 0x0d, 0x0000);
2943 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
2945 static const struct phy_reg phy_reg_init[] = {
2946 /* Enable Delay cap */
2955 /* Channel estimation fine tune */
2972 rtl_apply_firmware(tp);
2974 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2976 /* For 4-corner performance improve */
2977 rtl_writephy(tp, 0x1f, 0x0005);
2978 rtl_writephy(tp, 0x05, 0x8b80);
2979 rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2980 rtl_writephy(tp, 0x1f, 0x0000);
2982 /* PHY auto speed down */
2983 rtl_writephy(tp, 0x1f, 0x0004);
2984 rtl_writephy(tp, 0x1f, 0x0007);
2985 rtl_writephy(tp, 0x1e, 0x002d);
2986 rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
2987 rtl_writephy(tp, 0x1f, 0x0002);
2988 rtl_writephy(tp, 0x1f, 0x0000);
2989 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2991 /* improve 10M EEE waveform */
2992 rtl_writephy(tp, 0x1f, 0x0005);
2993 rtl_writephy(tp, 0x05, 0x8b86);
2994 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2995 rtl_writephy(tp, 0x1f, 0x0000);
2997 /* Improve 2-pair detection performance */
2998 rtl_writephy(tp, 0x1f, 0x0005);
2999 rtl_writephy(tp, 0x05, 0x8b85);
3000 rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
3001 rtl_writephy(tp, 0x1f, 0x0000);
3004 rtl_w1w0_eri(tp->mmio_addr, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003,
3006 rtl_writephy(tp, 0x1f, 0x0005);
3007 rtl_writephy(tp, 0x05, 0x8b85);
3008 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
3009 rtl_writephy(tp, 0x1f, 0x0004);
3010 rtl_writephy(tp, 0x1f, 0x0007);
3011 rtl_writephy(tp, 0x1e, 0x0020);
3012 rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0100);
3013 rtl_writephy(tp, 0x1f, 0x0002);
3014 rtl_writephy(tp, 0x1f, 0x0000);
3015 rtl_writephy(tp, 0x0d, 0x0007);
3016 rtl_writephy(tp, 0x0e, 0x003c);
3017 rtl_writephy(tp, 0x0d, 0x4007);
3018 rtl_writephy(tp, 0x0e, 0x0000);
3019 rtl_writephy(tp, 0x0d, 0x0000);
3022 rtl_writephy(tp, 0x1f, 0x0003);
3023 rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
3024 rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
3025 rtl_writephy(tp, 0x1f, 0x0000);
3028 static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp)
3030 static const struct phy_reg phy_reg_init[] = {
3031 /* Channel estimation fine tune */
3036 /* Modify green table for giga & fnet */
3053 /* Modify green table for 10M */
3059 /* Disable hiimpedance detection (RTCT) */
3065 rtl_apply_firmware(tp);
3067 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3069 /* For 4-corner performance improve */
3070 rtl_writephy(tp, 0x1f, 0x0005);
3071 rtl_writephy(tp, 0x05, 0x8b80);
3072 rtl_w1w0_phy(tp, 0x06, 0x0006, 0x0000);
3073 rtl_writephy(tp, 0x1f, 0x0000);
3075 /* PHY auto speed down */
3076 rtl_writephy(tp, 0x1f, 0x0007);
3077 rtl_writephy(tp, 0x1e, 0x002d);
3078 rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
3079 rtl_writephy(tp, 0x1f, 0x0000);
3080 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3082 /* Improve 10M EEE waveform */
3083 rtl_writephy(tp, 0x1f, 0x0005);
3084 rtl_writephy(tp, 0x05, 0x8b86);
3085 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3086 rtl_writephy(tp, 0x1f, 0x0000);
3088 /* Improve 2-pair detection performance */
3089 rtl_writephy(tp, 0x1f, 0x0005);
3090 rtl_writephy(tp, 0x05, 0x8b85);
3091 rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
3092 rtl_writephy(tp, 0x1f, 0x0000);
3095 static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
3097 rtl_apply_firmware(tp);
3099 /* For 4-corner performance improve */
3100 rtl_writephy(tp, 0x1f, 0x0005);
3101 rtl_writephy(tp, 0x05, 0x8b80);
3102 rtl_w1w0_phy(tp, 0x06, 0x0006, 0x0000);
3103 rtl_writephy(tp, 0x1f, 0x0000);
3105 /* PHY auto speed down */
3106 rtl_writephy(tp, 0x1f, 0x0007);
3107 rtl_writephy(tp, 0x1e, 0x002d);
3108 rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
3109 rtl_writephy(tp, 0x1f, 0x0000);
3110 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3112 /* Improve 10M EEE waveform */
3113 rtl_writephy(tp, 0x1f, 0x0005);
3114 rtl_writephy(tp, 0x05, 0x8b86);
3115 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3116 rtl_writephy(tp, 0x1f, 0x0000);
3119 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
3121 static const struct phy_reg phy_reg_init[] = {
3128 rtl_writephy(tp, 0x1f, 0x0000);
3129 rtl_patchphy(tp, 0x11, 1 << 12);
3130 rtl_patchphy(tp, 0x19, 1 << 13);
3131 rtl_patchphy(tp, 0x10, 1 << 15);
3133 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3136 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
3138 static const struct phy_reg phy_reg_init[] = {
3152 /* Disable ALDPS before ram code */
3153 rtl_writephy(tp, 0x1f, 0x0000);
3154 rtl_writephy(tp, 0x18, 0x0310);
3157 rtl_apply_firmware(tp);
3159 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3162 static void rtl_hw_phy_config(struct net_device *dev)
3164 struct rtl8169_private *tp = netdev_priv(dev);
3166 rtl8169_print_mac_version(tp);
3168 switch (tp->mac_version) {
3169 case RTL_GIGA_MAC_VER_01:
3171 case RTL_GIGA_MAC_VER_02:
3172 case RTL_GIGA_MAC_VER_03:
3173 rtl8169s_hw_phy_config(tp);
3175 case RTL_GIGA_MAC_VER_04:
3176 rtl8169sb_hw_phy_config(tp);
3178 case RTL_GIGA_MAC_VER_05:
3179 rtl8169scd_hw_phy_config(tp);
3181 case RTL_GIGA_MAC_VER_06:
3182 rtl8169sce_hw_phy_config(tp);
3184 case RTL_GIGA_MAC_VER_07:
3185 case RTL_GIGA_MAC_VER_08:
3186 case RTL_GIGA_MAC_VER_09:
3187 rtl8102e_hw_phy_config(tp);
3189 case RTL_GIGA_MAC_VER_11:
3190 rtl8168bb_hw_phy_config(tp);
3192 case RTL_GIGA_MAC_VER_12:
3193 rtl8168bef_hw_phy_config(tp);
3195 case RTL_GIGA_MAC_VER_17:
3196 rtl8168bef_hw_phy_config(tp);
3198 case RTL_GIGA_MAC_VER_18:
3199 rtl8168cp_1_hw_phy_config(tp);
3201 case RTL_GIGA_MAC_VER_19:
3202 rtl8168c_1_hw_phy_config(tp);
3204 case RTL_GIGA_MAC_VER_20:
3205 rtl8168c_2_hw_phy_config(tp);
3207 case RTL_GIGA_MAC_VER_21:
3208 rtl8168c_3_hw_phy_config(tp);
3210 case RTL_GIGA_MAC_VER_22:
3211 rtl8168c_4_hw_phy_config(tp);
3213 case RTL_GIGA_MAC_VER_23:
3214 case RTL_GIGA_MAC_VER_24:
3215 rtl8168cp_2_hw_phy_config(tp);
3217 case RTL_GIGA_MAC_VER_25:
3218 rtl8168d_1_hw_phy_config(tp);
3220 case RTL_GIGA_MAC_VER_26:
3221 rtl8168d_2_hw_phy_config(tp);
3223 case RTL_GIGA_MAC_VER_27:
3224 rtl8168d_3_hw_phy_config(tp);
3226 case RTL_GIGA_MAC_VER_28:
3227 rtl8168d_4_hw_phy_config(tp);
3229 case RTL_GIGA_MAC_VER_29:
3230 case RTL_GIGA_MAC_VER_30:
3231 rtl8105e_hw_phy_config(tp);
3233 case RTL_GIGA_MAC_VER_31:
3236 case RTL_GIGA_MAC_VER_32:
3237 case RTL_GIGA_MAC_VER_33:
3238 rtl8168e_1_hw_phy_config(tp);
3240 case RTL_GIGA_MAC_VER_34:
3241 rtl8168e_2_hw_phy_config(tp);
3243 case RTL_GIGA_MAC_VER_35:
3244 rtl8168f_1_hw_phy_config(tp);
3246 case RTL_GIGA_MAC_VER_36:
3247 rtl8168f_2_hw_phy_config(tp);
3255 static void rtl_phy_work(struct rtl8169_private *tp)
3257 struct timer_list *timer = &tp->timer;
3258 void __iomem *ioaddr = tp->mmio_addr;
3259 unsigned long timeout = RTL8169_PHY_TIMEOUT;
3261 assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
3263 if (tp->phy_reset_pending(tp)) {
3265 * A busy loop could burn quite a few cycles on nowadays CPU.
3266 * Let's delay the execution of the timer for a few ticks.
3272 if (tp->link_ok(ioaddr))
3275 netif_warn(tp, link, tp->dev, "PHY reset until link up\n");
3277 tp->phy_reset_enable(tp);
3280 mod_timer(timer, jiffies + timeout);
3283 static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag)
3285 if (!test_and_set_bit(flag, tp->wk.flags))
3286 schedule_work(&tp->wk.work);
3289 static void rtl8169_phy_timer(unsigned long __opaque)
3291 struct net_device *dev = (struct net_device *)__opaque;
3292 struct rtl8169_private *tp = netdev_priv(dev);
3294 rtl_schedule_task(tp, RTL_FLAG_TASK_PHY_PENDING);
3297 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
3298 void __iomem *ioaddr)
3301 pci_release_regions(pdev);
3302 pci_clear_mwi(pdev);
3303 pci_disable_device(pdev);
3307 static void rtl8169_phy_reset(struct net_device *dev,
3308 struct rtl8169_private *tp)
3312 tp->phy_reset_enable(tp);
3313 for (i = 0; i < 100; i++) {
3314 if (!tp->phy_reset_pending(tp))
3318 netif_err(tp, link, dev, "PHY reset failed\n");
3321 static bool rtl_tbi_enabled(struct rtl8169_private *tp)
3323 void __iomem *ioaddr = tp->mmio_addr;
3325 return (tp->mac_version == RTL_GIGA_MAC_VER_01) &&
3326 (RTL_R8(PHYstatus) & TBI_Enable);
3329 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3331 void __iomem *ioaddr = tp->mmio_addr;
3333 rtl_hw_phy_config(dev);
3335 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3336 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3340 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3342 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3343 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3345 if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
3346 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3348 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
3349 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
3352 rtl8169_phy_reset(dev, tp);
3354 rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3355 ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3356 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3357 (tp->mii.supports_gmii ?
3358 ADVERTISED_1000baseT_Half |
3359 ADVERTISED_1000baseT_Full : 0));
3361 if (rtl_tbi_enabled(tp))
3362 netif_info(tp, link, dev, "TBI auto-negotiating\n");
3365 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3367 void __iomem *ioaddr = tp->mmio_addr;
3371 low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3372 high = addr[4] | (addr[5] << 8);
3376 RTL_W8(Cfg9346, Cfg9346_Unlock);
3378 RTL_W32(MAC4, high);
3384 if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
3385 const struct exgmac_reg e[] = {
3386 { .addr = 0xe0, ERIAR_MASK_1111, .val = low },
3387 { .addr = 0xe4, ERIAR_MASK_1111, .val = high },
3388 { .addr = 0xf0, ERIAR_MASK_1111, .val = low << 16 },
3389 { .addr = 0xf4, ERIAR_MASK_1111, .val = high << 16 |
3393 rtl_write_exgmac_batch(ioaddr, e, ARRAY_SIZE(e));
3396 RTL_W8(Cfg9346, Cfg9346_Lock);
3398 rtl_unlock_work(tp);
3401 static int rtl_set_mac_address(struct net_device *dev, void *p)
3403 struct rtl8169_private *tp = netdev_priv(dev);
3404 struct sockaddr *addr = p;
3406 if (!is_valid_ether_addr(addr->sa_data))
3407 return -EADDRNOTAVAIL;
3409 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3411 rtl_rar_set(tp, dev->dev_addr);
3416 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3418 struct rtl8169_private *tp = netdev_priv(dev);
3419 struct mii_ioctl_data *data = if_mii(ifr);
3421 return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
3424 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
3425 struct mii_ioctl_data *data, int cmd)
3429 data->phy_id = 32; /* Internal PHY */
3433 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
3437 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
3443 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
3448 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
3450 if (tp->features & RTL_FEATURE_MSI) {
3451 pci_disable_msi(pdev);
3452 tp->features &= ~RTL_FEATURE_MSI;
3456 static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
3458 struct mdio_ops *ops = &tp->mdio_ops;
3460 switch (tp->mac_version) {
3461 case RTL_GIGA_MAC_VER_27:
3462 ops->write = r8168dp_1_mdio_write;
3463 ops->read = r8168dp_1_mdio_read;
3465 case RTL_GIGA_MAC_VER_28:
3466 case RTL_GIGA_MAC_VER_31:
3467 ops->write = r8168dp_2_mdio_write;
3468 ops->read = r8168dp_2_mdio_read;
3471 ops->write = r8169_mdio_write;
3472 ops->read = r8169_mdio_read;
3477 static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
3479 void __iomem *ioaddr = tp->mmio_addr;
3481 switch (tp->mac_version) {
3482 case RTL_GIGA_MAC_VER_29:
3483 case RTL_GIGA_MAC_VER_30:
3484 case RTL_GIGA_MAC_VER_32:
3485 case RTL_GIGA_MAC_VER_33:
3486 case RTL_GIGA_MAC_VER_34:
3487 RTL_W32(RxConfig, RTL_R32(RxConfig) |
3488 AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
3495 static bool rtl_wol_pll_power_down(struct rtl8169_private *tp)
3497 if (!(__rtl8169_get_wol(tp) & WAKE_ANY))
3500 rtl_writephy(tp, 0x1f, 0x0000);
3501 rtl_writephy(tp, MII_BMCR, 0x0000);
3503 rtl_wol_suspend_quirk(tp);
3508 static void r810x_phy_power_down(struct rtl8169_private *tp)
3510 rtl_writephy(tp, 0x1f, 0x0000);
3511 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3514 static void r810x_phy_power_up(struct rtl8169_private *tp)
3516 rtl_writephy(tp, 0x1f, 0x0000);
3517 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3520 static void r810x_pll_power_down(struct rtl8169_private *tp)
3522 if (rtl_wol_pll_power_down(tp))
3525 r810x_phy_power_down(tp);
3528 static void r810x_pll_power_up(struct rtl8169_private *tp)
3530 r810x_phy_power_up(tp);
3533 static void r8168_phy_power_up(struct rtl8169_private *tp)
3535 rtl_writephy(tp, 0x1f, 0x0000);
3536 switch (tp->mac_version) {
3537 case RTL_GIGA_MAC_VER_11:
3538 case RTL_GIGA_MAC_VER_12:
3539 case RTL_GIGA_MAC_VER_17:
3540 case RTL_GIGA_MAC_VER_18:
3541 case RTL_GIGA_MAC_VER_19:
3542 case RTL_GIGA_MAC_VER_20:
3543 case RTL_GIGA_MAC_VER_21:
3544 case RTL_GIGA_MAC_VER_22:
3545 case RTL_GIGA_MAC_VER_23:
3546 case RTL_GIGA_MAC_VER_24:
3547 case RTL_GIGA_MAC_VER_25:
3548 case RTL_GIGA_MAC_VER_26:
3549 case RTL_GIGA_MAC_VER_27:
3550 case RTL_GIGA_MAC_VER_28:
3551 case RTL_GIGA_MAC_VER_31:
3552 rtl_writephy(tp, 0x0e, 0x0000);
3557 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3560 static void r8168_phy_power_down(struct rtl8169_private *tp)
3562 rtl_writephy(tp, 0x1f, 0x0000);
3563 switch (tp->mac_version) {
3564 case RTL_GIGA_MAC_VER_32:
3565 case RTL_GIGA_MAC_VER_33:
3566 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
3569 case RTL_GIGA_MAC_VER_11:
3570 case RTL_GIGA_MAC_VER_12:
3571 case RTL_GIGA_MAC_VER_17:
3572 case RTL_GIGA_MAC_VER_18:
3573 case RTL_GIGA_MAC_VER_19:
3574 case RTL_GIGA_MAC_VER_20:
3575 case RTL_GIGA_MAC_VER_21:
3576 case RTL_GIGA_MAC_VER_22:
3577 case RTL_GIGA_MAC_VER_23:
3578 case RTL_GIGA_MAC_VER_24:
3579 case RTL_GIGA_MAC_VER_25:
3580 case RTL_GIGA_MAC_VER_26:
3581 case RTL_GIGA_MAC_VER_27:
3582 case RTL_GIGA_MAC_VER_28:
3583 case RTL_GIGA_MAC_VER_31:
3584 rtl_writephy(tp, 0x0e, 0x0200);
3586 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3591 static void r8168_pll_power_down(struct rtl8169_private *tp)
3593 void __iomem *ioaddr = tp->mmio_addr;
3595 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3596 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3597 tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3598 r8168dp_check_dash(tp)) {
3602 if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
3603 tp->mac_version == RTL_GIGA_MAC_VER_24) &&
3604 (RTL_R16(CPlusCmd) & ASF)) {
3608 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3609 tp->mac_version == RTL_GIGA_MAC_VER_33)
3610 rtl_ephy_write(ioaddr, 0x19, 0xff64);
3612 if (rtl_wol_pll_power_down(tp))
3615 r8168_phy_power_down(tp);
3617 switch (tp->mac_version) {
3618 case RTL_GIGA_MAC_VER_25:
3619 case RTL_GIGA_MAC_VER_26:
3620 case RTL_GIGA_MAC_VER_27:
3621 case RTL_GIGA_MAC_VER_28:
3622 case RTL_GIGA_MAC_VER_31:
3623 case RTL_GIGA_MAC_VER_32:
3624 case RTL_GIGA_MAC_VER_33:
3625 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3630 static void r8168_pll_power_up(struct rtl8169_private *tp)
3632 void __iomem *ioaddr = tp->mmio_addr;
3634 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3635 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3636 tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3637 r8168dp_check_dash(tp)) {
3641 switch (tp->mac_version) {
3642 case RTL_GIGA_MAC_VER_25:
3643 case RTL_GIGA_MAC_VER_26:
3644 case RTL_GIGA_MAC_VER_27:
3645 case RTL_GIGA_MAC_VER_28:
3646 case RTL_GIGA_MAC_VER_31:
3647 case RTL_GIGA_MAC_VER_32:
3648 case RTL_GIGA_MAC_VER_33:
3649 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
3653 r8168_phy_power_up(tp);
3656 static void rtl_generic_op(struct rtl8169_private *tp,
3657 void (*op)(struct rtl8169_private *))
3663 static void rtl_pll_power_down(struct rtl8169_private *tp)
3665 rtl_generic_op(tp, tp->pll_power_ops.down);
3668 static void rtl_pll_power_up(struct rtl8169_private *tp)
3670 rtl_generic_op(tp, tp->pll_power_ops.up);
3673 static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
3675 struct pll_power_ops *ops = &tp->pll_power_ops;
3677 switch (tp->mac_version) {
3678 case RTL_GIGA_MAC_VER_07:
3679 case RTL_GIGA_MAC_VER_08:
3680 case RTL_GIGA_MAC_VER_09:
3681 case RTL_GIGA_MAC_VER_10:
3682 case RTL_GIGA_MAC_VER_16:
3683 case RTL_GIGA_MAC_VER_29:
3684 case RTL_GIGA_MAC_VER_30:
3685 ops->down = r810x_pll_power_down;
3686 ops->up = r810x_pll_power_up;
3689 case RTL_GIGA_MAC_VER_11:
3690 case RTL_GIGA_MAC_VER_12:
3691 case RTL_GIGA_MAC_VER_17:
3692 case RTL_GIGA_MAC_VER_18:
3693 case RTL_GIGA_MAC_VER_19:
3694 case RTL_GIGA_MAC_VER_20:
3695 case RTL_GIGA_MAC_VER_21:
3696 case RTL_GIGA_MAC_VER_22:
3697 case RTL_GIGA_MAC_VER_23:
3698 case RTL_GIGA_MAC_VER_24:
3699 case RTL_GIGA_MAC_VER_25:
3700 case RTL_GIGA_MAC_VER_26:
3701 case RTL_GIGA_MAC_VER_27:
3702 case RTL_GIGA_MAC_VER_28:
3703 case RTL_GIGA_MAC_VER_31:
3704 case RTL_GIGA_MAC_VER_32:
3705 case RTL_GIGA_MAC_VER_33:
3706 case RTL_GIGA_MAC_VER_34:
3707 case RTL_GIGA_MAC_VER_35:
3708 case RTL_GIGA_MAC_VER_36:
3709 ops->down = r8168_pll_power_down;
3710 ops->up = r8168_pll_power_up;
3720 static void rtl_init_rxcfg(struct rtl8169_private *tp)
3722 void __iomem *ioaddr = tp->mmio_addr;
3724 switch (tp->mac_version) {
3725 case RTL_GIGA_MAC_VER_01:
3726 case RTL_GIGA_MAC_VER_02:
3727 case RTL_GIGA_MAC_VER_03:
3728 case RTL_GIGA_MAC_VER_04:
3729 case RTL_GIGA_MAC_VER_05:
3730 case RTL_GIGA_MAC_VER_06:
3731 case RTL_GIGA_MAC_VER_10:
3732 case RTL_GIGA_MAC_VER_11:
3733 case RTL_GIGA_MAC_VER_12:
3734 case RTL_GIGA_MAC_VER_13:
3735 case RTL_GIGA_MAC_VER_14:
3736 case RTL_GIGA_MAC_VER_15:
3737 case RTL_GIGA_MAC_VER_16:
3738 case RTL_GIGA_MAC_VER_17:
3739 RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
3741 case RTL_GIGA_MAC_VER_18:
3742 case RTL_GIGA_MAC_VER_19:
3743 case RTL_GIGA_MAC_VER_20:
3744 case RTL_GIGA_MAC_VER_21:
3745 case RTL_GIGA_MAC_VER_22:
3746 case RTL_GIGA_MAC_VER_23:
3747 case RTL_GIGA_MAC_VER_24:
3748 RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
3751 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
3756 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
3758 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
3761 static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
3763 void __iomem *ioaddr = tp->mmio_addr;
3765 RTL_W8(Cfg9346, Cfg9346_Unlock);
3766 rtl_generic_op(tp, tp->jumbo_ops.enable);
3767 RTL_W8(Cfg9346, Cfg9346_Lock);
3770 static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
3772 void __iomem *ioaddr = tp->mmio_addr;
3774 RTL_W8(Cfg9346, Cfg9346_Unlock);
3775 rtl_generic_op(tp, tp->jumbo_ops.disable);
3776 RTL_W8(Cfg9346, Cfg9346_Lock);
3779 static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)
3781 void __iomem *ioaddr = tp->mmio_addr;
3783 RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
3784 RTL_W8(Config4, RTL_R8(Config4) | Jumbo_En1);
3785 rtl_tx_performance_tweak(tp->pci_dev, 0x2 << MAX_READ_REQUEST_SHIFT);
3788 static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp)
3790 void __iomem *ioaddr = tp->mmio_addr;
3792 RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
3793 RTL_W8(Config4, RTL_R8(Config4) & ~Jumbo_En1);
3794 rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
3797 static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp)
3799 void __iomem *ioaddr = tp->mmio_addr;
3801 RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
3804 static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp)
3806 void __iomem *ioaddr = tp->mmio_addr;
3808 RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
3811 static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp)
3813 void __iomem *ioaddr = tp->mmio_addr;
3815 RTL_W8(MaxTxPacketSize, 0x3f);
3816 RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
3817 RTL_W8(Config4, RTL_R8(Config4) | 0x01);
3818 rtl_tx_performance_tweak(tp->pci_dev, 0x2 << MAX_READ_REQUEST_SHIFT);
3821 static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp)
3823 void __iomem *ioaddr = tp->mmio_addr;
3825 RTL_W8(MaxTxPacketSize, 0x0c);
3826 RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
3827 RTL_W8(Config4, RTL_R8(Config4) & ~0x01);
3828 rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
3831 static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp)
3833 rtl_tx_performance_tweak(tp->pci_dev,
3834 (0x2 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
3837 static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp)
3839 rtl_tx_performance_tweak(tp->pci_dev,
3840 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
3843 static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp)
3845 void __iomem *ioaddr = tp->mmio_addr;
3847 r8168b_0_hw_jumbo_enable(tp);
3849 RTL_W8(Config4, RTL_R8(Config4) | (1 << 0));
3852 static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp)
3854 void __iomem *ioaddr = tp->mmio_addr;
3856 r8168b_0_hw_jumbo_disable(tp);
3858 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
3861 static void __devinit rtl_init_jumbo_ops(struct rtl8169_private *tp)
3863 struct jumbo_ops *ops = &tp->jumbo_ops;
3865 switch (tp->mac_version) {
3866 case RTL_GIGA_MAC_VER_11:
3867 ops->disable = r8168b_0_hw_jumbo_disable;
3868 ops->enable = r8168b_0_hw_jumbo_enable;
3870 case RTL_GIGA_MAC_VER_12:
3871 case RTL_GIGA_MAC_VER_17:
3872 ops->disable = r8168b_1_hw_jumbo_disable;
3873 ops->enable = r8168b_1_hw_jumbo_enable;
3875 case RTL_GIGA_MAC_VER_18: /* Wild guess. Needs info from Realtek. */
3876 case RTL_GIGA_MAC_VER_19:
3877 case RTL_GIGA_MAC_VER_20:
3878 case RTL_GIGA_MAC_VER_21: /* Wild guess. Needs info from Realtek. */
3879 case RTL_GIGA_MAC_VER_22:
3880 case RTL_GIGA_MAC_VER_23:
3881 case RTL_GIGA_MAC_VER_24:
3882 case RTL_GIGA_MAC_VER_25:
3883 case RTL_GIGA_MAC_VER_26:
3884 ops->disable = r8168c_hw_jumbo_disable;
3885 ops->enable = r8168c_hw_jumbo_enable;
3887 case RTL_GIGA_MAC_VER_27:
3888 case RTL_GIGA_MAC_VER_28:
3889 ops->disable = r8168dp_hw_jumbo_disable;
3890 ops->enable = r8168dp_hw_jumbo_enable;
3892 case RTL_GIGA_MAC_VER_31: /* Wild guess. Needs info from Realtek. */
3893 case RTL_GIGA_MAC_VER_32:
3894 case RTL_GIGA_MAC_VER_33:
3895 case RTL_GIGA_MAC_VER_34:
3896 ops->disable = r8168e_hw_jumbo_disable;
3897 ops->enable = r8168e_hw_jumbo_enable;
3901 * No action needed for jumbo frames with 8169.
3902 * No jumbo for 810x at all.
3905 ops->disable = NULL;
3911 static void rtl_hw_reset(struct rtl8169_private *tp)
3913 void __iomem *ioaddr = tp->mmio_addr;
3916 /* Soft reset the chip. */
3917 RTL_W8(ChipCmd, CmdReset);
3919 /* Check that the chip has finished the reset. */
3920 for (i = 0; i < 100; i++) {
3921 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3927 static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
3929 struct rtl_fw *rtl_fw;
3933 name = rtl_lookup_firmware_name(tp);
3935 goto out_no_firmware;
3937 rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
3941 rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
3945 rc = rtl_check_firmware(tp, rtl_fw);
3947 goto err_release_firmware;
3949 tp->rtl_fw = rtl_fw;
3953 err_release_firmware:
3954 release_firmware(rtl_fw->fw);
3958 netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
3965 static void rtl_request_firmware(struct rtl8169_private *tp)
3967 if (IS_ERR(tp->rtl_fw))
3968 rtl_request_uncached_firmware(tp);
3971 static void rtl_rx_close(struct rtl8169_private *tp)
3973 void __iomem *ioaddr = tp->mmio_addr;
3975 RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
3978 static void rtl8169_hw_reset(struct rtl8169_private *tp)
3980 void __iomem *ioaddr = tp->mmio_addr;
3982 /* Disable interrupts */
3983 rtl8169_irq_mask_and_ack(tp);
3987 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3988 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3989 tp->mac_version == RTL_GIGA_MAC_VER_31) {
3990 while (RTL_R8(TxPoll) & NPQ)
3992 } else if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
3993 tp->mac_version == RTL_GIGA_MAC_VER_35 ||
3994 tp->mac_version == RTL_GIGA_MAC_VER_36) {
3995 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
3996 while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
3999 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4006 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
4008 void __iomem *ioaddr = tp->mmio_addr;
4010 /* Set DMA burst size and Interframe Gap Time */
4011 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4012 (InterFrameGap << TxInterFrameGapShift));
4015 static void rtl_hw_start(struct net_device *dev)
4017 struct rtl8169_private *tp = netdev_priv(dev);
4021 rtl_irq_enable_all(tp);
4024 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
4025 void __iomem *ioaddr)
4028 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
4029 * register to be written before TxDescAddrLow to work.
4030 * Switching from MMIO to I/O access fixes the issue as well.
4032 RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4033 RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4034 RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4035 RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4038 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
4042 cmd = RTL_R16(CPlusCmd);
4043 RTL_W16(CPlusCmd, cmd);
4047 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
4049 /* Low hurts. Let's disable the filtering. */
4050 RTL_W16(RxMaxSize, rx_buf_sz + 1);
4053 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
4055 static const struct rtl_cfg2_info {
4060 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
4061 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
4062 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
4063 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
4065 const struct rtl_cfg2_info *p = cfg2_info;
4069 clk = RTL_R8(Config2) & PCI_Clock_66MHz;
4070 for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
4071 if ((p->mac_version == mac_version) && (p->clk == clk)) {
4072 RTL_W32(0x7c, p->val);
4078 static void rtl_set_rx_mode(struct net_device *dev)
4080 struct rtl8169_private *tp = netdev_priv(dev);
4081 void __iomem *ioaddr = tp->mmio_addr;
4082 u32 mc_filter[2]; /* Multicast hash filter */
4086 if (dev->flags & IFF_PROMISC) {
4087 /* Unconditionally log net taps. */
4088 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
4090 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
4092 mc_filter[1] = mc_filter[0] = 0xffffffff;
4093 } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
4094 (dev->flags & IFF_ALLMULTI)) {
4095 /* Too many to filter perfectly -- accept all multicasts. */
4096 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
4097 mc_filter[1] = mc_filter[0] = 0xffffffff;
4099 struct netdev_hw_addr *ha;
4101 rx_mode = AcceptBroadcast | AcceptMyPhys;
4102 mc_filter[1] = mc_filter[0] = 0;
4103 netdev_for_each_mc_addr(ha, dev) {
4104 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
4105 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
4106 rx_mode |= AcceptMulticast;
4110 if (dev->features & NETIF_F_RXALL)
4111 rx_mode |= (AcceptErr | AcceptRunt);
4113 tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
4115 if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
4116 u32 data = mc_filter[0];
4118 mc_filter[0] = swab32(mc_filter[1]);
4119 mc_filter[1] = swab32(data);
4122 RTL_W32(MAR0 + 4, mc_filter[1]);
4123 RTL_W32(MAR0 + 0, mc_filter[0]);
4125 RTL_W32(RxConfig, tmp);
4128 static void rtl_hw_start_8169(struct net_device *dev)
4130 struct rtl8169_private *tp = netdev_priv(dev);
4131 void __iomem *ioaddr = tp->mmio_addr;
4132 struct pci_dev *pdev = tp->pci_dev;
4134 if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
4135 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
4136 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
4139 RTL_W8(Cfg9346, Cfg9346_Unlock);
4140 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4141 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4142 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4143 tp->mac_version == RTL_GIGA_MAC_VER_04)
4144 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4148 RTL_W8(EarlyTxThres, NoEarlyTx);
4150 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4152 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4153 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4154 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4155 tp->mac_version == RTL_GIGA_MAC_VER_04)
4156 rtl_set_rx_tx_config_registers(tp);
4158 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
4160 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4161 tp->mac_version == RTL_GIGA_MAC_VER_03) {
4162 dprintk("Set MAC Reg C+CR Offset 0xE0. "
4163 "Bit-3 and bit-14 MUST be 1\n");
4164 tp->cp_cmd |= (1 << 14);
4167 RTL_W16(CPlusCmd, tp->cp_cmd);
4169 rtl8169_set_magic_reg(ioaddr, tp->mac_version);
4172 * Undocumented corner. Supposedly:
4173 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
4175 RTL_W16(IntrMitigate, 0x0000);
4177 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4179 if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
4180 tp->mac_version != RTL_GIGA_MAC_VER_02 &&
4181 tp->mac_version != RTL_GIGA_MAC_VER_03 &&
4182 tp->mac_version != RTL_GIGA_MAC_VER_04) {
4183 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4184 rtl_set_rx_tx_config_registers(tp);
4187 RTL_W8(Cfg9346, Cfg9346_Lock);
4189 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
4192 RTL_W32(RxMissed, 0);
4194 rtl_set_rx_mode(dev);
4196 /* no early-rx interrupts */
4197 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4200 static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
4204 csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
4205 rtl_csi_write(ioaddr, 0x070c, csi | bits);
4208 static void rtl_csi_access_enable_1(void __iomem *ioaddr)
4210 rtl_csi_access_enable(ioaddr, 0x17000000);
4213 static void rtl_csi_access_enable_2(void __iomem *ioaddr)
4215 rtl_csi_access_enable(ioaddr, 0x27000000);
4219 unsigned int offset;
4224 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
4229 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
4230 rtl_ephy_write(ioaddr, e->offset, w);
4235 static void rtl_disable_clock_request(struct pci_dev *pdev)
4237 int cap = pci_pcie_cap(pdev);
4242 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4243 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
4244 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4248 static void rtl_enable_clock_request(struct pci_dev *pdev)
4250 int cap = pci_pcie_cap(pdev);
4255 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4256 ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
4257 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4261 #define R8168_CPCMD_QUIRK_MASK (\
4272 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
4274 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4276 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4278 rtl_tx_performance_tweak(pdev,
4279 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4282 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
4284 rtl_hw_start_8168bb(ioaddr, pdev);
4286 RTL_W8(MaxTxPacketSize, TxPacketMax);
4288 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4291 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
4293 RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
4295 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4297 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4299 rtl_disable_clock_request(pdev);
4301 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4304 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
4306 static const struct ephy_info e_info_8168cp[] = {
4307 { 0x01, 0, 0x0001 },
4308 { 0x02, 0x0800, 0x1000 },
4309 { 0x03, 0, 0x0042 },
4310 { 0x06, 0x0080, 0x0000 },
4314 rtl_csi_access_enable_2(ioaddr);
4316 rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
4318 __rtl_hw_start_8168cp(ioaddr, pdev);
4321 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
4323 rtl_csi_access_enable_2(ioaddr);
4325 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4327 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4329 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4332 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
4334 rtl_csi_access_enable_2(ioaddr);
4336 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4339 RTL_W8(DBG_REG, 0x20);
4341 RTL_W8(MaxTxPacketSize, TxPacketMax);
4343 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4345 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4348 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
4350 static const struct ephy_info e_info_8168c_1[] = {
4351 { 0x02, 0x0800, 0x1000 },
4352 { 0x03, 0, 0x0002 },
4353 { 0x06, 0x0080, 0x0000 }
4356 rtl_csi_access_enable_2(ioaddr);
4358 RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
4360 rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
4362 __rtl_hw_start_8168cp(ioaddr, pdev);
4365 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
4367 static const struct ephy_info e_info_8168c_2[] = {
4368 { 0x01, 0, 0x0001 },
4369 { 0x03, 0x0400, 0x0220 }
4372 rtl_csi_access_enable_2(ioaddr);
4374 rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
4376 __rtl_hw_start_8168cp(ioaddr, pdev);
4379 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
4381 rtl_hw_start_8168c_2(ioaddr, pdev);
4384 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
4386 rtl_csi_access_enable_2(ioaddr);
4388 __rtl_hw_start_8168cp(ioaddr, pdev);
4391 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
4393 rtl_csi_access_enable_2(ioaddr);
4395 rtl_disable_clock_request(pdev);
4397 RTL_W8(MaxTxPacketSize, TxPacketMax);
4399 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4401 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4404 static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
4406 rtl_csi_access_enable_1(ioaddr);
4408 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4410 RTL_W8(MaxTxPacketSize, TxPacketMax);
4412 rtl_disable_clock_request(pdev);
4415 static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
4417 static const struct ephy_info e_info_8168d_4[] = {
4419 { 0x19, 0x20, 0x50 },
4424 rtl_csi_access_enable_1(ioaddr);
4426 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4428 RTL_W8(MaxTxPacketSize, TxPacketMax);
4430 for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
4431 const struct ephy_info *e = e_info_8168d_4 + i;
4434 w = rtl_ephy_read(ioaddr, e->offset);
4435 rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
4438 rtl_enable_clock_request(pdev);
4441 static void rtl_hw_start_8168e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4443 static const struct ephy_info e_info_8168e_1[] = {
4444 { 0x00, 0x0200, 0x0100 },
4445 { 0x00, 0x0000, 0x0004 },
4446 { 0x06, 0x0002, 0x0001 },
4447 { 0x06, 0x0000, 0x0030 },
4448 { 0x07, 0x0000, 0x2000 },
4449 { 0x00, 0x0000, 0x0020 },
4450 { 0x03, 0x5800, 0x2000 },
4451 { 0x03, 0x0000, 0x0001 },
4452 { 0x01, 0x0800, 0x1000 },
4453 { 0x07, 0x0000, 0x4000 },
4454 { 0x1e, 0x0000, 0x2000 },
4455 { 0x19, 0xffff, 0xfe6c },
4456 { 0x0a, 0x0000, 0x0040 }
4459 rtl_csi_access_enable_2(ioaddr);
4461 rtl_ephy_init(ioaddr, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
4463 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4465 RTL_W8(MaxTxPacketSize, TxPacketMax);
4467 rtl_disable_clock_request(pdev);
4469 /* Reset tx FIFO pointer */
4470 RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
4471 RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
4473 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4476 static void rtl_hw_start_8168e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4478 static const struct ephy_info e_info_8168e_2[] = {
4479 { 0x09, 0x0000, 0x0080 },
4480 { 0x19, 0x0000, 0x0224 }
4483 rtl_csi_access_enable_1(ioaddr);
4485 rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
4487 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4489 rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4490 rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4491 rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
4492 rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
4493 rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
4494 rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
4495 rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4496 rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
4499 RTL_W8(MaxTxPacketSize, EarlySize);
4501 rtl_disable_clock_request(pdev);
4503 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
4504 RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
4506 /* Adjust EEE LED frequency */
4507 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
4509 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4510 RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
4511 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4514 static void rtl_hw_start_8168f_1(void __iomem *ioaddr, struct pci_dev *pdev)
4516 static const struct ephy_info e_info_8168f_1[] = {
4517 { 0x06, 0x00c0, 0x0020 },
4518 { 0x08, 0x0001, 0x0002 },
4519 { 0x09, 0x0000, 0x0080 },
4520 { 0x19, 0x0000, 0x0224 }
4523 rtl_csi_access_enable_1(ioaddr);
4525 rtl_ephy_init(ioaddr, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
4527 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4529 rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4530 rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4531 rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
4532 rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
4533 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
4534 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
4535 rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4536 rtl_w1w0_eri(ioaddr, 0x1d0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4537 rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
4538 rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x00000060, ERIAR_EXGMAC);
4539 rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
4542 RTL_W8(MaxTxPacketSize, EarlySize);
4544 rtl_disable_clock_request(pdev);
4546 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
4547 RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
4549 /* Adjust EEE LED frequency */
4550 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
4552 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4553 RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
4554 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4557 static void rtl_hw_start_8168(struct net_device *dev)
4559 struct rtl8169_private *tp = netdev_priv(dev);
4560 void __iomem *ioaddr = tp->mmio_addr;
4561 struct pci_dev *pdev = tp->pci_dev;
4563 RTL_W8(Cfg9346, Cfg9346_Unlock);
4565 RTL_W8(MaxTxPacketSize, TxPacketMax);
4567 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4569 tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
4571 RTL_W16(CPlusCmd, tp->cp_cmd);
4573 RTL_W16(IntrMitigate, 0x5151);
4575 /* Work around for RxFIFO overflow. */
4576 if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
4577 tp->event_slow |= RxFIFOOver | PCSTimeout;
4578 tp->event_slow &= ~RxOverflow;
4581 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4583 rtl_set_rx_mode(dev);
4585 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4586 (InterFrameGap << TxInterFrameGapShift));
4590 switch (tp->mac_version) {
4591 case RTL_GIGA_MAC_VER_11:
4592 rtl_hw_start_8168bb(ioaddr, pdev);
4595 case RTL_GIGA_MAC_VER_12:
4596 case RTL_GIGA_MAC_VER_17:
4597 rtl_hw_start_8168bef(ioaddr, pdev);
4600 case RTL_GIGA_MAC_VER_18:
4601 rtl_hw_start_8168cp_1(ioaddr, pdev);
4604 case RTL_GIGA_MAC_VER_19:
4605 rtl_hw_start_8168c_1(ioaddr, pdev);
4608 case RTL_GIGA_MAC_VER_20:
4609 rtl_hw_start_8168c_2(ioaddr, pdev);
4612 case RTL_GIGA_MAC_VER_21:
4613 rtl_hw_start_8168c_3(ioaddr, pdev);
4616 case RTL_GIGA_MAC_VER_22:
4617 rtl_hw_start_8168c_4(ioaddr, pdev);
4620 case RTL_GIGA_MAC_VER_23:
4621 rtl_hw_start_8168cp_2(ioaddr, pdev);
4624 case RTL_GIGA_MAC_VER_24:
4625 rtl_hw_start_8168cp_3(ioaddr, pdev);
4628 case RTL_GIGA_MAC_VER_25:
4629 case RTL_GIGA_MAC_VER_26:
4630 case RTL_GIGA_MAC_VER_27:
4631 rtl_hw_start_8168d(ioaddr, pdev);
4634 case RTL_GIGA_MAC_VER_28:
4635 rtl_hw_start_8168d_4(ioaddr, pdev);
4638 case RTL_GIGA_MAC_VER_31:
4639 rtl_hw_start_8168dp(ioaddr, pdev);
4642 case RTL_GIGA_MAC_VER_32:
4643 case RTL_GIGA_MAC_VER_33:
4644 rtl_hw_start_8168e_1(ioaddr, pdev);
4646 case RTL_GIGA_MAC_VER_34:
4647 rtl_hw_start_8168e_2(ioaddr, pdev);
4650 case RTL_GIGA_MAC_VER_35:
4651 case RTL_GIGA_MAC_VER_36:
4652 rtl_hw_start_8168f_1(ioaddr, pdev);
4656 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
4657 dev->name, tp->mac_version);
4661 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4663 RTL_W8(Cfg9346, Cfg9346_Lock);
4665 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4668 #define R810X_CPCMD_QUIRK_MASK (\
4679 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4681 static const struct ephy_info e_info_8102e_1[] = {
4682 { 0x01, 0, 0x6e65 },
4683 { 0x02, 0, 0x091f },
4684 { 0x03, 0, 0xc2f9 },
4685 { 0x06, 0, 0xafb5 },
4686 { 0x07, 0, 0x0e00 },
4687 { 0x19, 0, 0xec80 },
4688 { 0x01, 0, 0x2e65 },
4693 rtl_csi_access_enable_2(ioaddr);
4695 RTL_W8(DBG_REG, FIX_NAK_1);
4697 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4700 LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
4701 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4703 cfg1 = RTL_R8(Config1);
4704 if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
4705 RTL_W8(Config1, cfg1 & ~LEDS0);
4707 rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
4710 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4712 rtl_csi_access_enable_2(ioaddr);
4714 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4716 RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
4717 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4720 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
4722 rtl_hw_start_8102e_2(ioaddr, pdev);
4724 rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
4727 static void rtl_hw_start_8105e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4729 static const struct ephy_info e_info_8105e_1[] = {
4730 { 0x07, 0, 0x4000 },
4731 { 0x19, 0, 0x0200 },
4732 { 0x19, 0, 0x0020 },
4733 { 0x1e, 0, 0x2000 },
4734 { 0x03, 0, 0x0001 },
4735 { 0x19, 0, 0x0100 },
4736 { 0x19, 0, 0x0004 },
4740 /* Force LAN exit from ASPM if Rx/Tx are not idle */
4741 RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
4743 /* Disable Early Tally Counter */
4744 RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
4746 RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
4747 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4749 rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
4752 static void rtl_hw_start_8105e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4754 rtl_hw_start_8105e_1(ioaddr, pdev);
4755 rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
4758 static void rtl_hw_start_8101(struct net_device *dev)
4760 struct rtl8169_private *tp = netdev_priv(dev);
4761 void __iomem *ioaddr = tp->mmio_addr;
4762 struct pci_dev *pdev = tp->pci_dev;
4764 if (tp->mac_version >= RTL_GIGA_MAC_VER_30)
4765 tp->event_slow &= ~RxFIFOOver;
4767 if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
4768 tp->mac_version == RTL_GIGA_MAC_VER_16) {
4769 int cap = pci_pcie_cap(pdev);
4772 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
4773 PCI_EXP_DEVCTL_NOSNOOP_EN);
4777 RTL_W8(Cfg9346, Cfg9346_Unlock);
4779 switch (tp->mac_version) {
4780 case RTL_GIGA_MAC_VER_07:
4781 rtl_hw_start_8102e_1(ioaddr, pdev);
4784 case RTL_GIGA_MAC_VER_08:
4785 rtl_hw_start_8102e_3(ioaddr, pdev);
4788 case RTL_GIGA_MAC_VER_09:
4789 rtl_hw_start_8102e_2(ioaddr, pdev);
4792 case RTL_GIGA_MAC_VER_29:
4793 rtl_hw_start_8105e_1(ioaddr, pdev);
4795 case RTL_GIGA_MAC_VER_30:
4796 rtl_hw_start_8105e_2(ioaddr, pdev);
4800 RTL_W8(Cfg9346, Cfg9346_Lock);
4802 RTL_W8(MaxTxPacketSize, TxPacketMax);
4804 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4806 tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
4807 RTL_W16(CPlusCmd, tp->cp_cmd);
4809 RTL_W16(IntrMitigate, 0x0000);
4811 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4813 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4814 rtl_set_rx_tx_config_registers(tp);
4818 rtl_set_rx_mode(dev);
4820 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
4823 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
4825 struct rtl8169_private *tp = netdev_priv(dev);
4827 if (new_mtu < ETH_ZLEN ||
4828 new_mtu > rtl_chip_infos[tp->mac_version].jumbo_max)
4831 if (new_mtu > ETH_DATA_LEN)
4832 rtl_hw_jumbo_enable(tp);
4834 rtl_hw_jumbo_disable(tp);
4837 netdev_update_features(dev);
4842 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
4844 desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
4845 desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
4848 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
4849 void **data_buff, struct RxDesc *desc)
4851 dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
4856 rtl8169_make_unusable_by_asic(desc);
4859 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
4861 u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
4863 desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
4866 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
4869 desc->addr = cpu_to_le64(mapping);
4871 rtl8169_mark_to_asic(desc, rx_buf_sz);
4874 static inline void *rtl8169_align(void *data)
4876 return (void *)ALIGN((long)data, 16);
4879 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
4880 struct RxDesc *desc)
4884 struct device *d = &tp->pci_dev->dev;
4885 struct net_device *dev = tp->dev;
4886 int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
4888 data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
4892 if (rtl8169_align(data) != data) {
4894 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
4899 mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
4901 if (unlikely(dma_mapping_error(d, mapping))) {
4902 if (net_ratelimit())
4903 netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
4907 rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
4915 static void rtl8169_rx_clear(struct rtl8169_private *tp)
4919 for (i = 0; i < NUM_RX_DESC; i++) {
4920 if (tp->Rx_databuff[i]) {
4921 rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
4922 tp->RxDescArray + i);
4927 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
4929 desc->opts1 |= cpu_to_le32(RingEnd);
4932 static int rtl8169_rx_fill(struct rtl8169_private *tp)
4936 for (i = 0; i < NUM_RX_DESC; i++) {
4939 if (tp->Rx_databuff[i])
4942 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
4944 rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
4947 tp->Rx_databuff[i] = data;
4950 rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
4954 rtl8169_rx_clear(tp);
4958 static int rtl8169_init_ring(struct net_device *dev)
4960 struct rtl8169_private *tp = netdev_priv(dev);
4962 rtl8169_init_ring_indexes(tp);
4964 memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
4965 memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
4967 return rtl8169_rx_fill(tp);
4970 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
4971 struct TxDesc *desc)
4973 unsigned int len = tx_skb->len;
4975 dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
4983 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
4988 for (i = 0; i < n; i++) {
4989 unsigned int entry = (start + i) % NUM_TX_DESC;
4990 struct ring_info *tx_skb = tp->tx_skb + entry;
4991 unsigned int len = tx_skb->len;
4994 struct sk_buff *skb = tx_skb->skb;
4996 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
4997 tp->TxDescArray + entry);
4999 tp->dev->stats.tx_dropped++;
5007 static void rtl8169_tx_clear(struct rtl8169_private *tp)
5009 rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
5010 tp->cur_tx = tp->dirty_tx = 0;
5011 netdev_reset_queue(tp->dev);
5014 static void rtl_reset_work(struct rtl8169_private *tp)
5016 struct net_device *dev = tp->dev;
5019 napi_disable(&tp->napi);
5020 netif_stop_queue(dev);
5021 synchronize_sched();
5023 rtl8169_hw_reset(tp);
5025 for (i = 0; i < NUM_RX_DESC; i++)
5026 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
5028 rtl8169_tx_clear(tp);
5029 rtl8169_init_ring_indexes(tp);
5031 napi_enable(&tp->napi);
5033 netif_wake_queue(dev);
5034 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
5037 static void rtl8169_tx_timeout(struct net_device *dev)
5039 struct rtl8169_private *tp = netdev_priv(dev);
5041 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5044 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
5047 struct skb_shared_info *info = skb_shinfo(skb);
5048 unsigned int cur_frag, entry;
5049 struct TxDesc * uninitialized_var(txd);
5050 struct device *d = &tp->pci_dev->dev;
5053 for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
5054 const skb_frag_t *frag = info->frags + cur_frag;
5059 entry = (entry + 1) % NUM_TX_DESC;
5061 txd = tp->TxDescArray + entry;
5062 len = skb_frag_size(frag);
5063 addr = skb_frag_address(frag);
5064 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5065 if (unlikely(dma_mapping_error(d, mapping))) {
5066 if (net_ratelimit())
5067 netif_err(tp, drv, tp->dev,
5068 "Failed to map TX fragments DMA!\n");
5072 /* Anti gcc 2.95.3 bugware (sic) */
5073 status = opts[0] | len |
5074 (RingEnd * !((entry + 1) % NUM_TX_DESC));
5076 txd->opts1 = cpu_to_le32(status);
5077 txd->opts2 = cpu_to_le32(opts[1]);
5078 txd->addr = cpu_to_le64(mapping);
5080 tp->tx_skb[entry].len = len;
5084 tp->tx_skb[entry].skb = skb;
5085 txd->opts1 |= cpu_to_le32(LastFrag);
5091 rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5095 static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
5096 struct sk_buff *skb, u32 *opts)
5098 const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
5099 u32 mss = skb_shinfo(skb)->gso_size;
5100 int offset = info->opts_offset;
5104 opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
5105 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5106 const struct iphdr *ip = ip_hdr(skb);
5108 if (ip->protocol == IPPROTO_TCP)
5109 opts[offset] |= info->checksum.tcp;
5110 else if (ip->protocol == IPPROTO_UDP)
5111 opts[offset] |= info->checksum.udp;
5117 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5118 struct net_device *dev)
5120 struct rtl8169_private *tp = netdev_priv(dev);
5121 unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5122 struct TxDesc *txd = tp->TxDescArray + entry;
5123 void __iomem *ioaddr = tp->mmio_addr;
5124 struct device *d = &tp->pci_dev->dev;
5130 if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
5131 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5135 if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5138 len = skb_headlen(skb);
5139 mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5140 if (unlikely(dma_mapping_error(d, mapping))) {
5141 if (net_ratelimit())
5142 netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5146 tp->tx_skb[entry].len = len;
5147 txd->addr = cpu_to_le64(mapping);
5149 opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
5152 rtl8169_tso_csum(tp, skb, opts);
5154 frags = rtl8169_xmit_frags(tp, skb, opts);
5158 opts[0] |= FirstFrag;
5160 opts[0] |= FirstFrag | LastFrag;
5161 tp->tx_skb[entry].skb = skb;
5164 txd->opts2 = cpu_to_le32(opts[1]);
5166 netdev_sent_queue(dev, skb->len);
5168 skb_tx_timestamp(skb);
5172 /* Anti gcc 2.95.3 bugware (sic) */
5173 status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
5174 txd->opts1 = cpu_to_le32(status);
5176 tp->cur_tx += frags + 1;
5180 RTL_W8(TxPoll, NPQ);
5184 if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
5185 /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must
5186 * not miss a ring update when it notices a stopped queue.
5189 netif_stop_queue(dev);
5190 /* Sync with rtl_tx:
5191 * - publish queue status and cur_tx ring index (write barrier)
5192 * - refresh dirty_tx ring index (read barrier).
5193 * May the current thread have a pessimistic view of the ring
5194 * status and forget to wake up queue, a racing rtl_tx thread
5198 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
5199 netif_wake_queue(dev);
5202 return NETDEV_TX_OK;
5205 rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
5208 dev->stats.tx_dropped++;
5209 return NETDEV_TX_OK;
5212 netif_stop_queue(dev);
5213 dev->stats.tx_dropped++;
5214 return NETDEV_TX_BUSY;
5217 static void rtl8169_pcierr_interrupt(struct net_device *dev)
5219 struct rtl8169_private *tp = netdev_priv(dev);
5220 struct pci_dev *pdev = tp->pci_dev;
5221 u16 pci_status, pci_cmd;
5223 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
5224 pci_read_config_word(pdev, PCI_STATUS, &pci_status);
5226 netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
5227 pci_cmd, pci_status);
5230 * The recovery sequence below admits a very elaborated explanation:
5231 * - it seems to work;
5232 * - I did not see what else could be done;
5233 * - it makes iop3xx happy.
5235 * Feel free to adjust to your needs.
5237 if (pdev->broken_parity_status)
5238 pci_cmd &= ~PCI_COMMAND_PARITY;
5240 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
5242 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
5244 pci_write_config_word(pdev, PCI_STATUS,
5245 pci_status & (PCI_STATUS_DETECTED_PARITY |
5246 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
5247 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
5249 /* The infamous DAC f*ckup only happens at boot time */
5250 if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
5251 void __iomem *ioaddr = tp->mmio_addr;
5253 netif_info(tp, intr, dev, "disabling PCI DAC\n");
5254 tp->cp_cmd &= ~PCIDAC;
5255 RTL_W16(CPlusCmd, tp->cp_cmd);
5256 dev->features &= ~NETIF_F_HIGHDMA;
5259 rtl8169_hw_reset(tp);
5261 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5269 static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
5271 struct rtl8169_stats *tx_stats = &tp->tx_stats;
5272 unsigned int dirty_tx, tx_left;
5273 struct rtl_txc txc = { 0, 0 };
5275 dirty_tx = tp->dirty_tx;
5277 tx_left = tp->cur_tx - dirty_tx;
5279 while (tx_left > 0) {
5280 unsigned int entry = dirty_tx % NUM_TX_DESC;
5281 struct ring_info *tx_skb = tp->tx_skb + entry;
5285 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
5286 if (status & DescOwn)
5289 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5290 tp->TxDescArray + entry);
5291 if (status & LastFrag) {
5292 struct sk_buff *skb = tx_skb->skb;
5295 txc.bytes += skb->len;
5303 u64_stats_update_begin(&tx_stats->syncp);
5304 tx_stats->packets += txc.packets;
5305 tx_stats->bytes += txc.bytes;
5306 u64_stats_update_end(&tx_stats->syncp);
5308 netdev_completed_queue(dev, txc.packets, txc.bytes);
5310 if (tp->dirty_tx != dirty_tx) {
5311 tp->dirty_tx = dirty_tx;
5312 /* Sync with rtl8169_start_xmit:
5313 * - publish dirty_tx ring index (write barrier)
5314 * - refresh cur_tx ring index and queue status (read barrier)
5315 * May the current thread miss the stopped queue condition,
5316 * a racing xmit thread can only have a right view of the
5320 if (netif_queue_stopped(dev) &&
5321 (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
5322 netif_wake_queue(dev);
5325 * 8168 hack: TxPoll requests are lost when the Tx packets are
5326 * too close. Let's kick an extra TxPoll request when a burst
5327 * of start_xmit activity is detected (if it is not detected,
5328 * it is slow enough). -- FR
5330 if (tp->cur_tx != dirty_tx) {
5331 void __iomem *ioaddr = tp->mmio_addr;
5333 RTL_W8(TxPoll, NPQ);
5338 static inline int rtl8169_fragmented_frame(u32 status)
5340 return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
5343 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
5345 u32 status = opts1 & RxProtoMask;
5347 if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
5348 ((status == RxProtoUDP) && !(opts1 & UDPFail)))
5349 skb->ip_summed = CHECKSUM_UNNECESSARY;
5351 skb_checksum_none_assert(skb);
5354 static struct sk_buff *rtl8169_try_rx_copy(void *data,
5355 struct rtl8169_private *tp,
5359 struct sk_buff *skb;
5360 struct device *d = &tp->pci_dev->dev;
5362 data = rtl8169_align(data);
5363 dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
5365 skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
5367 memcpy(skb->data, data, pkt_size);
5368 dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
5373 static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget)
5375 unsigned int cur_rx, rx_left;
5378 cur_rx = tp->cur_rx;
5379 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
5380 rx_left = min(rx_left, budget);
5382 for (; rx_left > 0; rx_left--, cur_rx++) {
5383 unsigned int entry = cur_rx % NUM_RX_DESC;
5384 struct RxDesc *desc = tp->RxDescArray + entry;
5388 status = le32_to_cpu(desc->opts1) & tp->opts1_mask;
5390 if (status & DescOwn)
5392 if (unlikely(status & RxRES)) {
5393 netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
5395 dev->stats.rx_errors++;
5396 if (status & (RxRWT | RxRUNT))
5397 dev->stats.rx_length_errors++;
5399 dev->stats.rx_crc_errors++;
5400 if (status & RxFOVF) {
5401 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5402 dev->stats.rx_fifo_errors++;
5404 if ((status & (RxRUNT | RxCRC)) &&
5405 !(status & (RxRWT | RxFOVF)) &&
5406 (dev->features & NETIF_F_RXALL))
5409 rtl8169_mark_to_asic(desc, rx_buf_sz);
5411 struct sk_buff *skb;
5416 addr = le64_to_cpu(desc->addr);
5417 if (likely(!(dev->features & NETIF_F_RXFCS)))
5418 pkt_size = (status & 0x00003fff) - 4;
5420 pkt_size = status & 0x00003fff;
5423 * The driver does not support incoming fragmented
5424 * frames. They are seen as a symptom of over-mtu
5427 if (unlikely(rtl8169_fragmented_frame(status))) {
5428 dev->stats.rx_dropped++;
5429 dev->stats.rx_length_errors++;
5430 rtl8169_mark_to_asic(desc, rx_buf_sz);
5434 skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
5435 tp, pkt_size, addr);
5436 rtl8169_mark_to_asic(desc, rx_buf_sz);
5438 dev->stats.rx_dropped++;
5442 rtl8169_rx_csum(skb, status);
5443 skb_put(skb, pkt_size);
5444 skb->protocol = eth_type_trans(skb, dev);
5446 rtl8169_rx_vlan_tag(desc, skb);
5448 napi_gro_receive(&tp->napi, skb);
5450 u64_stats_update_begin(&tp->rx_stats.syncp);
5451 tp->rx_stats.packets++;
5452 tp->rx_stats.bytes += pkt_size;
5453 u64_stats_update_end(&tp->rx_stats.syncp);
5456 /* Work around for AMD plateform. */
5457 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
5458 (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
5464 count = cur_rx - tp->cur_rx;
5465 tp->cur_rx = cur_rx;
5467 tp->dirty_rx += count;
5472 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
5474 struct net_device *dev = dev_instance;
5475 struct rtl8169_private *tp = netdev_priv(dev);
5479 status = rtl_get_events(tp);
5480 if (status && status != 0xffff) {
5481 status &= RTL_EVENT_NAPI | tp->event_slow;
5485 rtl_irq_disable(tp);
5486 napi_schedule(&tp->napi);
5489 return IRQ_RETVAL(handled);
5493 * Workqueue context.
5495 static void rtl_slow_event_work(struct rtl8169_private *tp)
5497 struct net_device *dev = tp->dev;
5500 status = rtl_get_events(tp) & tp->event_slow;
5501 rtl_ack_events(tp, status);
5503 if (unlikely(status & RxFIFOOver)) {
5504 switch (tp->mac_version) {
5505 /* Work around for rx fifo overflow */
5506 case RTL_GIGA_MAC_VER_11:
5507 netif_stop_queue(dev);
5508 /* XXX - Hack alert. See rtl_task(). */
5509 set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags);
5515 if (unlikely(status & SYSErr))
5516 rtl8169_pcierr_interrupt(dev);
5518 if (status & LinkChg)
5519 __rtl8169_check_link_status(dev, tp, tp->mmio_addr, true);
5521 napi_disable(&tp->napi);
5522 rtl_irq_disable(tp);
5524 napi_enable(&tp->napi);
5525 napi_schedule(&tp->napi);
5528 static void rtl_task(struct work_struct *work)
5530 static const struct {
5532 void (*action)(struct rtl8169_private *);
5534 /* XXX - keep rtl_slow_event_work() as first element. */
5535 { RTL_FLAG_TASK_SLOW_PENDING, rtl_slow_event_work },
5536 { RTL_FLAG_TASK_RESET_PENDING, rtl_reset_work },
5537 { RTL_FLAG_TASK_PHY_PENDING, rtl_phy_work }
5539 struct rtl8169_private *tp =
5540 container_of(work, struct rtl8169_private, wk.work);
5541 struct net_device *dev = tp->dev;
5546 if (!netif_running(dev) ||
5547 !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
5550 for (i = 0; i < ARRAY_SIZE(rtl_work); i++) {
5553 pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags);
5555 rtl_work[i].action(tp);
5559 rtl_unlock_work(tp);
5562 static int rtl8169_poll(struct napi_struct *napi, int budget)
5564 struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
5565 struct net_device *dev = tp->dev;
5566 u16 enable_mask = RTL_EVENT_NAPI | tp->event_slow;
5570 status = rtl_get_events(tp);
5571 rtl_ack_events(tp, status & ~tp->event_slow);
5573 if (status & RTL_EVENT_NAPI_RX)
5574 work_done = rtl_rx(dev, tp, (u32) budget);
5576 if (status & RTL_EVENT_NAPI_TX)
5579 if (status & tp->event_slow) {
5580 enable_mask &= ~tp->event_slow;
5582 rtl_schedule_task(tp, RTL_FLAG_TASK_SLOW_PENDING);
5585 if (work_done < budget) {
5586 napi_complete(napi);
5588 rtl_irq_enable(tp, enable_mask);
5595 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
5597 struct rtl8169_private *tp = netdev_priv(dev);
5599 if (tp->mac_version > RTL_GIGA_MAC_VER_06)
5602 dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
5603 RTL_W32(RxMissed, 0);
5606 static void rtl8169_down(struct net_device *dev)
5608 struct rtl8169_private *tp = netdev_priv(dev);
5609 void __iomem *ioaddr = tp->mmio_addr;
5611 del_timer_sync(&tp->timer);
5613 napi_disable(&tp->napi);
5614 netif_stop_queue(dev);
5616 rtl8169_hw_reset(tp);
5618 * At this point device interrupts can not be enabled in any function,
5619 * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task)
5620 * and napi is disabled (rtl8169_poll).
5622 rtl8169_rx_missed(dev, ioaddr);
5624 /* Give a racing hard_start_xmit a few cycles to complete. */
5625 synchronize_sched();
5627 rtl8169_tx_clear(tp);
5629 rtl8169_rx_clear(tp);
5631 rtl_pll_power_down(tp);
5634 static int rtl8169_close(struct net_device *dev)
5636 struct rtl8169_private *tp = netdev_priv(dev);
5637 struct pci_dev *pdev = tp->pci_dev;
5639 pm_runtime_get_sync(&pdev->dev);
5641 /* Update counters before going down */
5642 rtl8169_update_counters(dev);
5645 clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
5648 rtl_unlock_work(tp);
5650 free_irq(pdev->irq, dev);
5652 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
5654 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
5656 tp->TxDescArray = NULL;
5657 tp->RxDescArray = NULL;
5659 pm_runtime_put_sync(&pdev->dev);
5664 #ifdef CONFIG_NET_POLL_CONTROLLER
5665 static void rtl8169_netpoll(struct net_device *dev)
5667 struct rtl8169_private *tp = netdev_priv(dev);
5669 rtl8169_interrupt(tp->pci_dev->irq, dev);
5673 static int rtl_open(struct net_device *dev)
5675 struct rtl8169_private *tp = netdev_priv(dev);
5676 void __iomem *ioaddr = tp->mmio_addr;
5677 struct pci_dev *pdev = tp->pci_dev;
5678 int retval = -ENOMEM;
5680 pm_runtime_get_sync(&pdev->dev);
5683 * Rx and Tx desscriptors needs 256 bytes alignment.
5684 * dma_alloc_coherent provides more.
5686 tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
5687 &tp->TxPhyAddr, GFP_KERNEL);
5688 if (!tp->TxDescArray)
5689 goto err_pm_runtime_put;
5691 tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
5692 &tp->RxPhyAddr, GFP_KERNEL);
5693 if (!tp->RxDescArray)
5696 retval = rtl8169_init_ring(dev);
5700 INIT_WORK(&tp->wk.work, rtl_task);
5704 rtl_request_firmware(tp);
5706 retval = request_irq(pdev->irq, rtl8169_interrupt,
5707 (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
5710 goto err_release_fw_2;
5714 set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
5716 napi_enable(&tp->napi);
5718 rtl8169_init_phy(dev, tp);
5720 __rtl8169_set_features(dev, dev->features);
5722 rtl_pll_power_up(tp);
5726 netif_start_queue(dev);
5728 rtl_unlock_work(tp);
5730 tp->saved_wolopts = 0;
5731 pm_runtime_put_noidle(&pdev->dev);
5733 rtl8169_check_link_status(dev, tp, ioaddr);
5738 rtl_release_firmware(tp);
5739 rtl8169_rx_clear(tp);
5741 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
5743 tp->RxDescArray = NULL;
5745 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
5747 tp->TxDescArray = NULL;
5749 pm_runtime_put_noidle(&pdev->dev);
5753 static struct rtnl_link_stats64 *
5754 rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
5756 struct rtl8169_private *tp = netdev_priv(dev);
5757 void __iomem *ioaddr = tp->mmio_addr;
5760 if (netif_running(dev))
5761 rtl8169_rx_missed(dev, ioaddr);
5764 start = u64_stats_fetch_begin_bh(&tp->rx_stats.syncp);
5765 stats->rx_packets = tp->rx_stats.packets;
5766 stats->rx_bytes = tp->rx_stats.bytes;
5767 } while (u64_stats_fetch_retry_bh(&tp->rx_stats.syncp, start));
5771 start = u64_stats_fetch_begin_bh(&tp->tx_stats.syncp);
5772 stats->tx_packets = tp->tx_stats.packets;
5773 stats->tx_bytes = tp->tx_stats.bytes;
5774 } while (u64_stats_fetch_retry_bh(&tp->tx_stats.syncp, start));
5776 stats->rx_dropped = dev->stats.rx_dropped;
5777 stats->tx_dropped = dev->stats.tx_dropped;
5778 stats->rx_length_errors = dev->stats.rx_length_errors;
5779 stats->rx_errors = dev->stats.rx_errors;
5780 stats->rx_crc_errors = dev->stats.rx_crc_errors;
5781 stats->rx_fifo_errors = dev->stats.rx_fifo_errors;
5782 stats->rx_missed_errors = dev->stats.rx_missed_errors;
5787 static void rtl8169_net_suspend(struct net_device *dev)
5789 struct rtl8169_private *tp = netdev_priv(dev);
5791 if (!netif_running(dev))
5794 netif_device_detach(dev);
5795 netif_stop_queue(dev);
5798 napi_disable(&tp->napi);
5799 clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
5800 rtl_unlock_work(tp);
5802 rtl_pll_power_down(tp);
5807 static int rtl8169_suspend(struct device *device)
5809 struct pci_dev *pdev = to_pci_dev(device);
5810 struct net_device *dev = pci_get_drvdata(pdev);
5812 rtl8169_net_suspend(dev);
5817 static void __rtl8169_resume(struct net_device *dev)
5819 struct rtl8169_private *tp = netdev_priv(dev);
5821 netif_device_attach(dev);
5823 rtl_pll_power_up(tp);
5826 napi_enable(&tp->napi);
5827 set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
5828 rtl_unlock_work(tp);
5830 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5833 static int rtl8169_resume(struct device *device)
5835 struct pci_dev *pdev = to_pci_dev(device);
5836 struct net_device *dev = pci_get_drvdata(pdev);
5837 struct rtl8169_private *tp = netdev_priv(dev);
5839 rtl8169_init_phy(dev, tp);
5841 if (netif_running(dev))
5842 __rtl8169_resume(dev);
5847 static int rtl8169_runtime_suspend(struct device *device)
5849 struct pci_dev *pdev = to_pci_dev(device);
5850 struct net_device *dev = pci_get_drvdata(pdev);
5851 struct rtl8169_private *tp = netdev_priv(dev);
5853 if (!tp->TxDescArray)
5857 tp->saved_wolopts = __rtl8169_get_wol(tp);
5858 __rtl8169_set_wol(tp, WAKE_ANY);
5859 rtl_unlock_work(tp);
5861 rtl8169_net_suspend(dev);
5866 static int rtl8169_runtime_resume(struct device *device)
5868 struct pci_dev *pdev = to_pci_dev(device);
5869 struct net_device *dev = pci_get_drvdata(pdev);
5870 struct rtl8169_private *tp = netdev_priv(dev);
5872 if (!tp->TxDescArray)
5876 __rtl8169_set_wol(tp, tp->saved_wolopts);
5877 tp->saved_wolopts = 0;
5878 rtl_unlock_work(tp);
5880 rtl8169_init_phy(dev, tp);
5882 __rtl8169_resume(dev);
5887 static int rtl8169_runtime_idle(struct device *device)
5889 struct pci_dev *pdev = to_pci_dev(device);
5890 struct net_device *dev = pci_get_drvdata(pdev);
5891 struct rtl8169_private *tp = netdev_priv(dev);
5893 return tp->TxDescArray ? -EBUSY : 0;
5896 static const struct dev_pm_ops rtl8169_pm_ops = {
5897 .suspend = rtl8169_suspend,
5898 .resume = rtl8169_resume,
5899 .freeze = rtl8169_suspend,
5900 .thaw = rtl8169_resume,
5901 .poweroff = rtl8169_suspend,
5902 .restore = rtl8169_resume,
5903 .runtime_suspend = rtl8169_runtime_suspend,
5904 .runtime_resume = rtl8169_runtime_resume,
5905 .runtime_idle = rtl8169_runtime_idle,
5908 #define RTL8169_PM_OPS (&rtl8169_pm_ops)
5910 #else /* !CONFIG_PM */
5912 #define RTL8169_PM_OPS NULL
5914 #endif /* !CONFIG_PM */
5916 static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
5918 void __iomem *ioaddr = tp->mmio_addr;
5920 /* WoL fails with 8168b when the receiver is disabled. */
5921 switch (tp->mac_version) {
5922 case RTL_GIGA_MAC_VER_11:
5923 case RTL_GIGA_MAC_VER_12:
5924 case RTL_GIGA_MAC_VER_17:
5925 pci_clear_master(tp->pci_dev);
5927 RTL_W8(ChipCmd, CmdRxEnb);
5936 static void rtl_shutdown(struct pci_dev *pdev)
5938 struct net_device *dev = pci_get_drvdata(pdev);
5939 struct rtl8169_private *tp = netdev_priv(dev);
5940 struct device *d = &pdev->dev;
5942 pm_runtime_get_sync(d);
5944 rtl8169_net_suspend(dev);
5946 /* Restore original MAC address */
5947 rtl_rar_set(tp, dev->perm_addr);
5949 rtl8169_hw_reset(tp);
5951 if (system_state == SYSTEM_POWER_OFF) {
5952 if (__rtl8169_get_wol(tp) & WAKE_ANY) {
5953 rtl_wol_suspend_quirk(tp);
5954 rtl_wol_shutdown_quirk(tp);
5957 pci_wake_from_d3(pdev, true);
5958 pci_set_power_state(pdev, PCI_D3hot);
5961 pm_runtime_put_noidle(d);
5964 static void __devexit rtl_remove_one(struct pci_dev *pdev)
5966 struct net_device *dev = pci_get_drvdata(pdev);
5967 struct rtl8169_private *tp = netdev_priv(dev);
5969 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
5970 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
5971 tp->mac_version == RTL_GIGA_MAC_VER_31) {
5972 rtl8168_driver_stop(tp);
5975 cancel_work_sync(&tp->wk.work);
5977 unregister_netdev(dev);
5979 rtl_release_firmware(tp);
5981 if (pci_dev_run_wake(pdev))
5982 pm_runtime_get_noresume(&pdev->dev);
5984 /* restore original MAC address */
5985 rtl_rar_set(tp, dev->perm_addr);
5987 rtl_disable_msi(pdev, tp);
5988 rtl8169_release_board(pdev, dev, tp->mmio_addr);
5989 pci_set_drvdata(pdev, NULL);
5992 static const struct net_device_ops rtl_netdev_ops = {
5993 .ndo_open = rtl_open,
5994 .ndo_stop = rtl8169_close,
5995 .ndo_get_stats64 = rtl8169_get_stats64,
5996 .ndo_start_xmit = rtl8169_start_xmit,
5997 .ndo_tx_timeout = rtl8169_tx_timeout,
5998 .ndo_validate_addr = eth_validate_addr,
5999 .ndo_change_mtu = rtl8169_change_mtu,
6000 .ndo_fix_features = rtl8169_fix_features,
6001 .ndo_set_features = rtl8169_set_features,
6002 .ndo_set_mac_address = rtl_set_mac_address,
6003 .ndo_do_ioctl = rtl8169_ioctl,
6004 .ndo_set_rx_mode = rtl_set_rx_mode,
6005 #ifdef CONFIG_NET_POLL_CONTROLLER
6006 .ndo_poll_controller = rtl8169_netpoll,
6011 static const struct rtl_cfg_info {
6012 void (*hw_start)(struct net_device *);
6013 unsigned int region;
6018 } rtl_cfg_infos [] = {
6020 .hw_start = rtl_hw_start_8169,
6023 .event_slow = SYSErr | LinkChg | RxOverflow | RxFIFOOver,
6024 .features = RTL_FEATURE_GMII,
6025 .default_ver = RTL_GIGA_MAC_VER_01,
6028 .hw_start = rtl_hw_start_8168,
6031 .event_slow = SYSErr | LinkChg | RxOverflow,
6032 .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
6033 .default_ver = RTL_GIGA_MAC_VER_11,
6036 .hw_start = rtl_hw_start_8101,
6039 .event_slow = SYSErr | LinkChg | RxOverflow | RxFIFOOver |
6041 .features = RTL_FEATURE_MSI,
6042 .default_ver = RTL_GIGA_MAC_VER_13,
6046 /* Cfg9346_Unlock assumed. */
6047 static unsigned rtl_try_msi(struct rtl8169_private *tp,
6048 const struct rtl_cfg_info *cfg)
6050 void __iomem *ioaddr = tp->mmio_addr;
6054 cfg2 = RTL_R8(Config2) & ~MSIEnable;
6055 if (cfg->features & RTL_FEATURE_MSI) {
6056 if (pci_enable_msi(tp->pci_dev)) {
6057 netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
6060 msi = RTL_FEATURE_MSI;
6063 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
6064 RTL_W8(Config2, cfg2);
6068 static int __devinit
6069 rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
6071 const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
6072 const unsigned int region = cfg->region;
6073 struct rtl8169_private *tp;
6074 struct mii_if_info *mii;
6075 struct net_device *dev;
6076 void __iomem *ioaddr;
6080 if (netif_msg_drv(&debug)) {
6081 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
6082 MODULENAME, RTL8169_VERSION);
6085 dev = alloc_etherdev(sizeof (*tp));
6091 SET_NETDEV_DEV(dev, &pdev->dev);
6092 dev->netdev_ops = &rtl_netdev_ops;
6093 tp = netdev_priv(dev);
6096 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
6100 mii->mdio_read = rtl_mdio_read;
6101 mii->mdio_write = rtl_mdio_write;
6102 mii->phy_id_mask = 0x1f;
6103 mii->reg_num_mask = 0x1f;
6104 mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
6106 /* disable ASPM completely as that cause random device stop working
6107 * problems as well as full system hangs for some PCIe devices users */
6108 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
6109 PCIE_LINK_STATE_CLKPM);
6111 /* enable device (incl. PCI PM wakeup and hotplug setup) */
6112 rc = pci_enable_device(pdev);
6114 netif_err(tp, probe, dev, "enable failure\n");
6115 goto err_out_free_dev_1;
6118 if (pci_set_mwi(pdev) < 0)
6119 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
6121 /* make sure PCI base addr 1 is MMIO */
6122 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
6123 netif_err(tp, probe, dev,
6124 "region #%d not an MMIO resource, aborting\n",
6130 /* check for weird/broken PCI region reporting */
6131 if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
6132 netif_err(tp, probe, dev,
6133 "Invalid PCI region size(s), aborting\n");
6138 rc = pci_request_regions(pdev, MODULENAME);
6140 netif_err(tp, probe, dev, "could not request regions\n");
6144 tp->cp_cmd = RxChkSum;
6146 if ((sizeof(dma_addr_t) > 4) &&
6147 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
6148 tp->cp_cmd |= PCIDAC;
6149 dev->features |= NETIF_F_HIGHDMA;
6151 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
6153 netif_err(tp, probe, dev, "DMA configuration failed\n");
6154 goto err_out_free_res_3;
6158 /* ioremap MMIO region */
6159 ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
6161 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
6163 goto err_out_free_res_3;
6165 tp->mmio_addr = ioaddr;
6167 if (!pci_is_pcie(pdev))
6168 netif_info(tp, probe, dev, "not PCI Express\n");
6170 /* Identify chip attached to board */
6171 rtl8169_get_mac_version(tp, dev, cfg->default_ver);
6175 rtl_irq_disable(tp);
6179 rtl_ack_events(tp, 0xffff);
6181 pci_set_master(pdev);
6184 * Pretend we are using VLANs; This bypasses a nasty bug where
6185 * Interrupts stop flowing on high load on 8110SCd controllers.
6187 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
6188 tp->cp_cmd |= RxVlan;
6190 rtl_init_mdio_ops(tp);
6191 rtl_init_pll_power_ops(tp);
6192 rtl_init_jumbo_ops(tp);
6194 rtl8169_print_mac_version(tp);
6196 chipset = tp->mac_version;
6197 tp->txd_version = rtl_chip_infos[chipset].txd_version;
6199 RTL_W8(Cfg9346, Cfg9346_Unlock);
6200 RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
6201 RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
6202 if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
6203 tp->features |= RTL_FEATURE_WOL;
6204 if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
6205 tp->features |= RTL_FEATURE_WOL;
6206 tp->features |= rtl_try_msi(tp, cfg);
6207 RTL_W8(Cfg9346, Cfg9346_Lock);
6209 if (rtl_tbi_enabled(tp)) {
6210 tp->set_speed = rtl8169_set_speed_tbi;
6211 tp->get_settings = rtl8169_gset_tbi;
6212 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
6213 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
6214 tp->link_ok = rtl8169_tbi_link_ok;
6215 tp->do_ioctl = rtl_tbi_ioctl;
6217 tp->set_speed = rtl8169_set_speed_xmii;
6218 tp->get_settings = rtl8169_gset_xmii;
6219 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
6220 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
6221 tp->link_ok = rtl8169_xmii_link_ok;
6222 tp->do_ioctl = rtl_xmii_ioctl;
6225 mutex_init(&tp->wk.mutex);
6227 /* Get MAC address */
6228 for (i = 0; i < ETH_ALEN; i++)
6229 dev->dev_addr[i] = RTL_R8(MAC0 + i);
6230 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
6232 SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
6233 dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
6235 netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
6237 /* don't enable SG, IP_CSUM and TSO by default - it might not work
6238 * properly for all devices */
6239 dev->features |= NETIF_F_RXCSUM |
6240 NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
6242 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
6243 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
6244 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
6247 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
6248 /* 8110SCd requires hardware Rx VLAN - disallow toggling */
6249 dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
6251 dev->hw_features |= NETIF_F_RXALL;
6252 dev->hw_features |= NETIF_F_RXFCS;
6254 tp->hw_start = cfg->hw_start;
6255 tp->event_slow = cfg->event_slow;
6257 tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
6258 ~(RxBOVF | RxFOVF) : ~0;
6260 init_timer(&tp->timer);
6261 tp->timer.data = (unsigned long) dev;
6262 tp->timer.function = rtl8169_phy_timer;
6264 tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
6266 rc = register_netdev(dev);
6270 pci_set_drvdata(pdev, dev);
6272 netif_info(tp, probe, dev, "%s at 0x%p, %pM, XID %08x IRQ %d\n",
6273 rtl_chip_infos[chipset].name, ioaddr, dev->dev_addr,
6274 (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), pdev->irq);
6275 if (rtl_chip_infos[chipset].jumbo_max != JUMBO_1K) {
6276 netif_info(tp, probe, dev, "jumbo features [frames: %d bytes, "
6277 "tx checksumming: %s]\n",
6278 rtl_chip_infos[chipset].jumbo_max,
6279 rtl_chip_infos[chipset].jumbo_tx_csum ? "ok" : "ko");
6282 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
6283 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
6284 tp->mac_version == RTL_GIGA_MAC_VER_31) {
6285 rtl8168_driver_start(tp);
6288 device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
6290 if (pci_dev_run_wake(pdev))
6291 pm_runtime_put_noidle(&pdev->dev);
6293 netif_carrier_off(dev);
6299 rtl_disable_msi(pdev, tp);
6302 pci_release_regions(pdev);
6304 pci_clear_mwi(pdev);
6305 pci_disable_device(pdev);
6311 static struct pci_driver rtl8169_pci_driver = {
6313 .id_table = rtl8169_pci_tbl,
6314 .probe = rtl_init_one,
6315 .remove = __devexit_p(rtl_remove_one),
6316 .shutdown = rtl_shutdown,
6317 .driver.pm = RTL8169_PM_OPS,
6320 static int __init rtl8169_init_module(void)
6322 return pci_register_driver(&rtl8169_pci_driver);
6325 static void __exit rtl8169_cleanup_module(void)
6327 pci_unregister_driver(&rtl8169_pci_driver);
6330 module_init(rtl8169_init_module);
6331 module_exit(rtl8169_cleanup_module);