1 // SPDX-License-Identifier: GPL-2.0-only
3 * r8169.c: RealTek 8169/8168/8101 ethernet driver.
5 * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
6 * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
7 * Copyright (c) a lot of people too. Please respect their work.
9 * See MAINTAINERS file for support contact information.
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/pci.h>
15 #include <linux/netdevice.h>
16 #include <linux/etherdevice.h>
17 #include <linux/clk.h>
18 #include <linux/delay.h>
19 #include <linux/ethtool.h>
20 #include <linux/phy.h>
21 #include <linux/if_vlan.h>
22 #include <linux/crc32.h>
26 #include <linux/tcp.h>
27 #include <linux/interrupt.h>
28 #include <linux/dma-mapping.h>
29 #include <linux/pm_runtime.h>
30 #include <linux/prefetch.h>
31 #include <linux/pci-aspm.h>
32 #include <linux/ipv6.h>
33 #include <net/ip6_checksum.h>
35 #include "r8169_firmware.h"
37 #define MODULENAME "r8169"
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"
47 #define FIRMWARE_8402_1 "rtl_nic/rtl8402-1.fw"
48 #define FIRMWARE_8411_1 "rtl_nic/rtl8411-1.fw"
49 #define FIRMWARE_8411_2 "rtl_nic/rtl8411-2.fw"
50 #define FIRMWARE_8106E_1 "rtl_nic/rtl8106e-1.fw"
51 #define FIRMWARE_8106E_2 "rtl_nic/rtl8106e-2.fw"
52 #define FIRMWARE_8168G_2 "rtl_nic/rtl8168g-2.fw"
53 #define FIRMWARE_8168G_3 "rtl_nic/rtl8168g-3.fw"
54 #define FIRMWARE_8168H_1 "rtl_nic/rtl8168h-1.fw"
55 #define FIRMWARE_8168H_2 "rtl_nic/rtl8168h-2.fw"
56 #define FIRMWARE_8107E_1 "rtl_nic/rtl8107e-1.fw"
57 #define FIRMWARE_8107E_2 "rtl_nic/rtl8107e-2.fw"
59 #define R8169_MSG_DEFAULT \
60 (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
62 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
63 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
64 #define MC_FILTER_LIMIT 32
66 #define TX_DMA_BURST 7 /* Maximum PCI burst, '7' is unlimited */
67 #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
69 #define R8169_REGS_SIZE 256
70 #define R8169_RX_BUF_SIZE (SZ_16K - 1)
71 #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */
72 #define NUM_RX_DESC 256U /* Number of Rx descriptor registers */
73 #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
74 #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
76 #define RTL_CFG_NO_GBIT 1
78 /* write/read MMIO register */
79 #define RTL_W8(tp, reg, val8) writeb((val8), tp->mmio_addr + (reg))
80 #define RTL_W16(tp, reg, val16) writew((val16), tp->mmio_addr + (reg))
81 #define RTL_W32(tp, reg, val32) writel((val32), tp->mmio_addr + (reg))
82 #define RTL_R8(tp, reg) readb(tp->mmio_addr + (reg))
83 #define RTL_R16(tp, reg) readw(tp->mmio_addr + (reg))
84 #define RTL_R32(tp, reg) readl(tp->mmio_addr + (reg))
87 /* support for ancient RTL_GIGA_MAC_VER_01 has been removed */
143 #define JUMBO_1K ETH_DATA_LEN
144 #define JUMBO_4K (4*1024 - ETH_HLEN - 2)
145 #define JUMBO_6K (6*1024 - ETH_HLEN - 2)
146 #define JUMBO_7K (7*1024 - ETH_HLEN - 2)
147 #define JUMBO_9K (9*1024 - ETH_HLEN - 2)
149 static const struct {
152 } rtl_chip_infos[] = {
154 [RTL_GIGA_MAC_VER_02] = {"RTL8169s" },
155 [RTL_GIGA_MAC_VER_03] = {"RTL8110s" },
156 [RTL_GIGA_MAC_VER_04] = {"RTL8169sb/8110sb" },
157 [RTL_GIGA_MAC_VER_05] = {"RTL8169sc/8110sc" },
158 [RTL_GIGA_MAC_VER_06] = {"RTL8169sc/8110sc" },
160 [RTL_GIGA_MAC_VER_07] = {"RTL8102e" },
161 [RTL_GIGA_MAC_VER_08] = {"RTL8102e" },
162 [RTL_GIGA_MAC_VER_09] = {"RTL8102e/RTL8103e" },
163 [RTL_GIGA_MAC_VER_10] = {"RTL8101e" },
164 [RTL_GIGA_MAC_VER_11] = {"RTL8168b/8111b" },
165 [RTL_GIGA_MAC_VER_12] = {"RTL8168b/8111b" },
166 [RTL_GIGA_MAC_VER_13] = {"RTL8101e" },
167 [RTL_GIGA_MAC_VER_14] = {"RTL8100e" },
168 [RTL_GIGA_MAC_VER_15] = {"RTL8100e" },
169 [RTL_GIGA_MAC_VER_16] = {"RTL8101e" },
170 [RTL_GIGA_MAC_VER_17] = {"RTL8168b/8111b" },
171 [RTL_GIGA_MAC_VER_18] = {"RTL8168cp/8111cp" },
172 [RTL_GIGA_MAC_VER_19] = {"RTL8168c/8111c" },
173 [RTL_GIGA_MAC_VER_20] = {"RTL8168c/8111c" },
174 [RTL_GIGA_MAC_VER_21] = {"RTL8168c/8111c" },
175 [RTL_GIGA_MAC_VER_22] = {"RTL8168c/8111c" },
176 [RTL_GIGA_MAC_VER_23] = {"RTL8168cp/8111cp" },
177 [RTL_GIGA_MAC_VER_24] = {"RTL8168cp/8111cp" },
178 [RTL_GIGA_MAC_VER_25] = {"RTL8168d/8111d", FIRMWARE_8168D_1},
179 [RTL_GIGA_MAC_VER_26] = {"RTL8168d/8111d", FIRMWARE_8168D_2},
180 [RTL_GIGA_MAC_VER_27] = {"RTL8168dp/8111dp" },
181 [RTL_GIGA_MAC_VER_28] = {"RTL8168dp/8111dp" },
182 [RTL_GIGA_MAC_VER_29] = {"RTL8105e", FIRMWARE_8105E_1},
183 [RTL_GIGA_MAC_VER_30] = {"RTL8105e", FIRMWARE_8105E_1},
184 [RTL_GIGA_MAC_VER_31] = {"RTL8168dp/8111dp" },
185 [RTL_GIGA_MAC_VER_32] = {"RTL8168e/8111e", FIRMWARE_8168E_1},
186 [RTL_GIGA_MAC_VER_33] = {"RTL8168e/8111e", FIRMWARE_8168E_2},
187 [RTL_GIGA_MAC_VER_34] = {"RTL8168evl/8111evl", FIRMWARE_8168E_3},
188 [RTL_GIGA_MAC_VER_35] = {"RTL8168f/8111f", FIRMWARE_8168F_1},
189 [RTL_GIGA_MAC_VER_36] = {"RTL8168f/8111f", FIRMWARE_8168F_2},
190 [RTL_GIGA_MAC_VER_37] = {"RTL8402", FIRMWARE_8402_1 },
191 [RTL_GIGA_MAC_VER_38] = {"RTL8411", FIRMWARE_8411_1 },
192 [RTL_GIGA_MAC_VER_39] = {"RTL8106e", FIRMWARE_8106E_1},
193 [RTL_GIGA_MAC_VER_40] = {"RTL8168g/8111g", FIRMWARE_8168G_2},
194 [RTL_GIGA_MAC_VER_41] = {"RTL8168g/8111g" },
195 [RTL_GIGA_MAC_VER_42] = {"RTL8168gu/8111gu", FIRMWARE_8168G_3},
196 [RTL_GIGA_MAC_VER_43] = {"RTL8106eus", FIRMWARE_8106E_2},
197 [RTL_GIGA_MAC_VER_44] = {"RTL8411b", FIRMWARE_8411_2 },
198 [RTL_GIGA_MAC_VER_45] = {"RTL8168h/8111h", FIRMWARE_8168H_1},
199 [RTL_GIGA_MAC_VER_46] = {"RTL8168h/8111h", FIRMWARE_8168H_2},
200 [RTL_GIGA_MAC_VER_47] = {"RTL8107e", FIRMWARE_8107E_1},
201 [RTL_GIGA_MAC_VER_48] = {"RTL8107e", FIRMWARE_8107E_2},
202 [RTL_GIGA_MAC_VER_49] = {"RTL8168ep/8111ep" },
203 [RTL_GIGA_MAC_VER_50] = {"RTL8168ep/8111ep" },
204 [RTL_GIGA_MAC_VER_51] = {"RTL8168ep/8111ep" },
205 [RTL_GIGA_MAC_VER_60] = {"RTL8125" },
206 [RTL_GIGA_MAC_VER_61] = {"RTL8125" },
209 static const struct pci_device_id rtl8169_pci_tbl[] = {
210 { PCI_VDEVICE(REALTEK, 0x2502) },
211 { PCI_VDEVICE(REALTEK, 0x2600) },
212 { PCI_VDEVICE(REALTEK, 0x8129) },
213 { PCI_VDEVICE(REALTEK, 0x8136), RTL_CFG_NO_GBIT },
214 { PCI_VDEVICE(REALTEK, 0x8161) },
215 { PCI_VDEVICE(REALTEK, 0x8167) },
216 { PCI_VDEVICE(REALTEK, 0x8168) },
217 { PCI_VDEVICE(NCUBE, 0x8168) },
218 { PCI_VDEVICE(REALTEK, 0x8169) },
219 { PCI_VENDOR_ID_DLINK, 0x4300,
220 PCI_VENDOR_ID_DLINK, 0x4b10, 0, 0 },
221 { PCI_VDEVICE(DLINK, 0x4300) },
222 { PCI_VDEVICE(DLINK, 0x4302) },
223 { PCI_VDEVICE(AT, 0xc107) },
224 { PCI_VDEVICE(USR, 0x0116) },
225 { PCI_VENDOR_ID_LINKSYS, 0x1032, PCI_ANY_ID, 0x0024 },
226 { 0x0001, 0x8168, PCI_ANY_ID, 0x2410 },
227 { PCI_VDEVICE(REALTEK, 0x8125) },
228 { PCI_VDEVICE(REALTEK, 0x3000) },
232 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
239 MAC0 = 0, /* Ethernet hardware address. */
241 MAR0 = 8, /* Multicast filter. */
242 CounterAddrLow = 0x10,
243 CounterAddrHigh = 0x14,
244 TxDescStartAddrLow = 0x20,
245 TxDescStartAddrHigh = 0x24,
246 TxHDescStartAddrLow = 0x28,
247 TxHDescStartAddrHigh = 0x2c,
256 #define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */
257 #define TXCFG_EMPTY (1 << 11) /* 8111e-vl */
260 #define RX128_INT_EN (1 << 15) /* 8111c and later */
261 #define RX_MULTI_EN (1 << 14) /* 8111c only */
262 #define RXCFG_FIFO_SHIFT 13
263 /* No threshold before first PCI xfer */
264 #define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT)
265 #define RX_EARLY_OFF (1 << 11)
266 #define RXCFG_DMA_SHIFT 8
267 /* Unlimited maximum PCI burst. */
268 #define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT)
275 #define PME_SIGNAL (1 << 5) /* 8168c and later */
286 #define RTL_COALESCE_MASK 0x0f
287 #define RTL_COALESCE_SHIFT 4
288 #define RTL_COALESCE_T_MAX (RTL_COALESCE_MASK)
289 #define RTL_COALESCE_FRAME_MAX (RTL_COALESCE_MASK << 2)
291 RxDescAddrLow = 0xe4,
292 RxDescAddrHigh = 0xe8,
293 EarlyTxThres = 0xec, /* 8169. Unit of 32 bytes. */
295 #define NoEarlyTx 0x3f /* Max value : no early transmit. */
297 MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
299 #define TxPacketMax (8064 >> 7)
300 #define EarlySize 0x27
303 FuncEventMask = 0xf4,
304 FuncPresetState = 0xf8,
309 FuncForceEvent = 0xfc,
312 enum rtl8168_8101_registers {
315 #define CSIAR_FLAG 0x80000000
316 #define CSIAR_WRITE_CMD 0x80000000
317 #define CSIAR_BYTE_ENABLE 0x0000f000
318 #define CSIAR_ADDR_MASK 0x00000fff
321 #define EPHYAR_FLAG 0x80000000
322 #define EPHYAR_WRITE_CMD 0x80000000
323 #define EPHYAR_REG_MASK 0x1f
324 #define EPHYAR_REG_SHIFT 16
325 #define EPHYAR_DATA_MASK 0xffff
327 #define PFM_EN (1 << 6)
328 #define TX_10M_PS_EN (1 << 7)
330 #define FIX_NAK_1 (1 << 4)
331 #define FIX_NAK_2 (1 << 3)
334 #define NOW_IS_OOB (1 << 7)
335 #define TX_EMPTY (1 << 5)
336 #define RX_EMPTY (1 << 4)
337 #define RXTX_EMPTY (TX_EMPTY | RX_EMPTY)
338 #define EN_NDP (1 << 3)
339 #define EN_OOB_RESET (1 << 2)
340 #define LINK_LIST_RDY (1 << 1)
342 #define EFUSEAR_FLAG 0x80000000
343 #define EFUSEAR_WRITE_CMD 0x80000000
344 #define EFUSEAR_READ_CMD 0x00000000
345 #define EFUSEAR_REG_MASK 0x03ff
346 #define EFUSEAR_REG_SHIFT 8
347 #define EFUSEAR_DATA_MASK 0xff
349 #define PFM_D3COLD_EN (1 << 6)
352 enum rtl8168_registers {
357 #define ERIAR_FLAG 0x80000000
358 #define ERIAR_WRITE_CMD 0x80000000
359 #define ERIAR_READ_CMD 0x00000000
360 #define ERIAR_ADDR_BYTE_ALIGN 4
361 #define ERIAR_TYPE_SHIFT 16
362 #define ERIAR_EXGMAC (0x00 << ERIAR_TYPE_SHIFT)
363 #define ERIAR_MSIX (0x01 << ERIAR_TYPE_SHIFT)
364 #define ERIAR_ASF (0x02 << ERIAR_TYPE_SHIFT)
365 #define ERIAR_OOB (0x02 << ERIAR_TYPE_SHIFT)
366 #define ERIAR_MASK_SHIFT 12
367 #define ERIAR_MASK_0001 (0x1 << ERIAR_MASK_SHIFT)
368 #define ERIAR_MASK_0011 (0x3 << ERIAR_MASK_SHIFT)
369 #define ERIAR_MASK_0100 (0x4 << ERIAR_MASK_SHIFT)
370 #define ERIAR_MASK_0101 (0x5 << ERIAR_MASK_SHIFT)
371 #define ERIAR_MASK_1111 (0xf << ERIAR_MASK_SHIFT)
372 EPHY_RXER_NUM = 0x7c,
373 OCPDR = 0xb0, /* OCP GPHY access */
374 #define OCPDR_WRITE_CMD 0x80000000
375 #define OCPDR_READ_CMD 0x00000000
376 #define OCPDR_REG_MASK 0x7f
377 #define OCPDR_GPHY_REG_SHIFT 16
378 #define OCPDR_DATA_MASK 0xffff
380 #define OCPAR_FLAG 0x80000000
381 #define OCPAR_GPHY_WRITE_CMD 0x8000f060
382 #define OCPAR_GPHY_READ_CMD 0x0000f060
384 RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */
385 MISC = 0xf0, /* 8168e only. */
386 #define TXPLA_RST (1 << 29)
387 #define DISABLE_LAN_EN (1 << 23) /* Enable GPIO pin */
388 #define PWM_EN (1 << 22)
389 #define RXDV_GATED_EN (1 << 19)
390 #define EARLY_TALLY_EN (1 << 16)
393 enum rtl8125_registers {
394 IntrMask_8125 = 0x38,
395 IntrStatus_8125 = 0x3c,
400 #define RX_VLAN_INNER_8125 BIT(22)
401 #define RX_VLAN_OUTER_8125 BIT(23)
402 #define RX_VLAN_8125 (RX_VLAN_INNER_8125 | RX_VLAN_OUTER_8125)
404 #define RX_FETCH_DFLT_8125 (8 << 27)
406 enum rtl_register_content {
407 /* InterruptStatusBits */
411 TxDescUnavail = 0x0080,
433 /* TXPoll register p.5 */
434 HPQ = 0x80, /* Poll cmd on the high prio queue */
435 NPQ = 0x40, /* Poll cmd on the low prio queue */
436 FSWInt = 0x01, /* Forced software interrupt */
440 Cfg9346_Unlock = 0xc0,
445 AcceptBroadcast = 0x08,
446 AcceptMulticast = 0x04,
448 AcceptAllPhys = 0x01,
449 #define RX_CONFIG_ACCEPT_MASK 0x3f
452 TxInterFrameGapShift = 24,
453 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
455 /* Config1 register p.24 */
458 Speed_down = (1 << 4),
462 PMEnable = (1 << 0), /* Power Management Enable */
464 /* Config2 register p. 25 */
465 ClkReqEn = (1 << 7), /* Clock Request Enable */
466 MSIEnable = (1 << 5), /* 8169 only. Reserved in the 8168. */
467 PCI_Clock_66MHz = 0x01,
468 PCI_Clock_33MHz = 0x00,
470 /* Config3 register p.25 */
471 MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
472 LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
473 Jumbo_En0 = (1 << 2), /* 8168 only. Reserved in the 8168b */
474 Rdy_to_L23 = (1 << 1), /* L23 Enable */
475 Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */
477 /* Config4 register */
478 Jumbo_En1 = (1 << 1), /* 8168 only. Reserved in the 8168b */
480 /* Config5 register p.27 */
481 BWF = (1 << 6), /* Accept Broadcast wakeup frame */
482 MWF = (1 << 5), /* Accept Multicast wakeup frame */
483 UWF = (1 << 4), /* Accept Unicast wakeup frame */
485 LanWake = (1 << 1), /* LanWake enable/disable */
486 PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
487 ASPM_en = (1 << 0), /* ASPM enable */
490 EnableBist = (1 << 15), // 8168 8101
491 Mac_dbgo_oe = (1 << 14), // 8168 8101
492 Normal_mode = (1 << 13), // unused
493 Force_half_dup = (1 << 12), // 8168 8101
494 Force_rxflow_en = (1 << 11), // 8168 8101
495 Force_txflow_en = (1 << 10), // 8168 8101
496 Cxpl_dbg_sel = (1 << 9), // 8168 8101
497 ASF = (1 << 8), // 8168 8101
498 PktCntrDisable = (1 << 7), // 8168 8101
499 Mac_dbgo_sel = 0x001c, // 8168
504 #define INTT_MASK GENMASK(1, 0)
505 #define CPCMD_MASK (Normal_mode | RxVlan | RxChkSum | INTT_MASK)
507 /* rtl8169_PHYstatus */
517 /* ResetCounterCommand */
520 /* DumpCounterCommand */
523 /* magic enable v2 */
524 MagicPacket_v2 = (1 << 16), /* Wake up when receives a Magic Packet */
528 /* First doubleword. */
529 DescOwn = (1 << 31), /* Descriptor is owned by NIC */
530 RingEnd = (1 << 30), /* End of descriptor ring */
531 FirstFrag = (1 << 29), /* First segment of a packet */
532 LastFrag = (1 << 28), /* Final segment of a packet */
536 enum rtl_tx_desc_bit {
537 /* First doubleword. */
538 TD_LSO = (1 << 27), /* Large Send Offload */
539 #define TD_MSS_MAX 0x07ffu /* MSS value */
541 /* Second doubleword. */
542 TxVlanTag = (1 << 17), /* Add VLAN tag */
545 /* 8169, 8168b and 810x except 8102e. */
546 enum rtl_tx_desc_bit_0 {
547 /* First doubleword. */
548 #define TD0_MSS_SHIFT 16 /* MSS position (11 bits) */
549 TD0_TCP_CS = (1 << 16), /* Calculate TCP/IP checksum */
550 TD0_UDP_CS = (1 << 17), /* Calculate UDP/IP checksum */
551 TD0_IP_CS = (1 << 18), /* Calculate IP checksum */
554 /* 8102e, 8168c and beyond. */
555 enum rtl_tx_desc_bit_1 {
556 /* First doubleword. */
557 TD1_GTSENV4 = (1 << 26), /* Giant Send for IPv4 */
558 TD1_GTSENV6 = (1 << 25), /* Giant Send for IPv6 */
559 #define GTTCPHO_SHIFT 18
560 #define GTTCPHO_MAX 0x7f
562 /* Second doubleword. */
563 #define TCPHO_SHIFT 18
564 #define TCPHO_MAX 0x3ff
565 #define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */
566 TD1_IPv6_CS = (1 << 28), /* Calculate IPv6 checksum */
567 TD1_IPv4_CS = (1 << 29), /* Calculate IPv4 checksum */
568 TD1_TCP_CS = (1 << 30), /* Calculate TCP/IP checksum */
569 TD1_UDP_CS = (1 << 31), /* Calculate UDP/IP checksum */
572 enum rtl_rx_desc_bit {
574 PID1 = (1 << 18), /* Protocol ID bit 1/2 */
575 PID0 = (1 << 17), /* Protocol ID bit 0/2 */
577 #define RxProtoUDP (PID1)
578 #define RxProtoTCP (PID0)
579 #define RxProtoIP (PID1 | PID0)
580 #define RxProtoMask RxProtoIP
582 IPFail = (1 << 16), /* IP checksum failed */
583 UDPFail = (1 << 15), /* UDP/IP checksum failed */
584 TCPFail = (1 << 14), /* TCP/IP checksum failed */
585 RxVlanTag = (1 << 16), /* VLAN tag available */
588 #define RsvdMask 0x3fffc000
590 #define RTL_GSO_MAX_SIZE_V1 32000
591 #define RTL_GSO_MAX_SEGS_V1 24
592 #define RTL_GSO_MAX_SIZE_V2 64000
593 #define RTL_GSO_MAX_SEGS_V2 64
612 struct rtl8169_counters {
619 __le32 tx_one_collision;
620 __le32 tx_multi_collision;
628 struct rtl8169_tc_offsets {
631 __le32 tx_multi_collision;
636 RTL_FLAG_TASK_ENABLED = 0,
637 RTL_FLAG_TASK_RESET_PENDING,
641 struct rtl8169_stats {
644 struct u64_stats_sync syncp;
647 struct rtl8169_private {
648 void __iomem *mmio_addr; /* memory map physical address */
649 struct pci_dev *pci_dev;
650 struct net_device *dev;
651 struct phy_device *phydev;
652 struct napi_struct napi;
654 enum mac_version mac_version;
655 u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
656 u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
658 struct rtl8169_stats rx_stats;
659 struct rtl8169_stats tx_stats;
660 struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
661 struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
662 dma_addr_t TxPhyAddr;
663 dma_addr_t RxPhyAddr;
664 struct page *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
665 struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
671 DECLARE_BITMAP(flags, RTL_FLAG_MAX);
673 struct work_struct work;
676 unsigned irq_enabled:1;
677 unsigned supports_gmii:1;
678 unsigned aspm_manageable:1;
679 dma_addr_t counters_phys_addr;
680 struct rtl8169_counters *counters;
681 struct rtl8169_tc_offsets tc_offset;
685 struct rtl_fw *rtl_fw;
690 typedef void (*rtl_generic_fct)(struct rtl8169_private *tp);
692 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
693 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
694 module_param_named(debug, debug.msg_enable, int, 0);
695 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
696 MODULE_SOFTDEP("pre: realtek");
697 MODULE_LICENSE("GPL");
698 MODULE_FIRMWARE(FIRMWARE_8168D_1);
699 MODULE_FIRMWARE(FIRMWARE_8168D_2);
700 MODULE_FIRMWARE(FIRMWARE_8168E_1);
701 MODULE_FIRMWARE(FIRMWARE_8168E_2);
702 MODULE_FIRMWARE(FIRMWARE_8168E_3);
703 MODULE_FIRMWARE(FIRMWARE_8105E_1);
704 MODULE_FIRMWARE(FIRMWARE_8168F_1);
705 MODULE_FIRMWARE(FIRMWARE_8168F_2);
706 MODULE_FIRMWARE(FIRMWARE_8402_1);
707 MODULE_FIRMWARE(FIRMWARE_8411_1);
708 MODULE_FIRMWARE(FIRMWARE_8411_2);
709 MODULE_FIRMWARE(FIRMWARE_8106E_1);
710 MODULE_FIRMWARE(FIRMWARE_8106E_2);
711 MODULE_FIRMWARE(FIRMWARE_8168G_2);
712 MODULE_FIRMWARE(FIRMWARE_8168G_3);
713 MODULE_FIRMWARE(FIRMWARE_8168H_1);
714 MODULE_FIRMWARE(FIRMWARE_8168H_2);
715 MODULE_FIRMWARE(FIRMWARE_8107E_1);
716 MODULE_FIRMWARE(FIRMWARE_8107E_2);
718 static inline struct device *tp_to_dev(struct rtl8169_private *tp)
720 return &tp->pci_dev->dev;
723 static void rtl_lock_work(struct rtl8169_private *tp)
725 mutex_lock(&tp->wk.mutex);
728 static void rtl_unlock_work(struct rtl8169_private *tp)
730 mutex_unlock(&tp->wk.mutex);
733 static void rtl_lock_config_regs(struct rtl8169_private *tp)
735 RTL_W8(tp, Cfg9346, Cfg9346_Lock);
738 static void rtl_unlock_config_regs(struct rtl8169_private *tp)
740 RTL_W8(tp, Cfg9346, Cfg9346_Unlock);
743 static void rtl_tx_performance_tweak(struct rtl8169_private *tp, u16 force)
745 pcie_capability_clear_and_set_word(tp->pci_dev, PCI_EXP_DEVCTL,
746 PCI_EXP_DEVCTL_READRQ, force);
749 static bool rtl_is_8125(struct rtl8169_private *tp)
751 return tp->mac_version >= RTL_GIGA_MAC_VER_60;
754 static bool rtl_is_8168evl_up(struct rtl8169_private *tp)
756 return tp->mac_version >= RTL_GIGA_MAC_VER_34 &&
757 tp->mac_version != RTL_GIGA_MAC_VER_39 &&
758 tp->mac_version <= RTL_GIGA_MAC_VER_51;
761 static bool rtl_supports_eee(struct rtl8169_private *tp)
763 return tp->mac_version >= RTL_GIGA_MAC_VER_34 &&
764 tp->mac_version != RTL_GIGA_MAC_VER_37 &&
765 tp->mac_version != RTL_GIGA_MAC_VER_39;
768 static void rtl_read_mac_from_reg(struct rtl8169_private *tp, u8 *mac, int reg)
772 for (i = 0; i < ETH_ALEN; i++)
773 mac[i] = RTL_R8(tp, reg + i);
777 bool (*check)(struct rtl8169_private *);
781 static void rtl_udelay(unsigned int d)
786 static bool rtl_loop_wait(struct rtl8169_private *tp, const struct rtl_cond *c,
787 void (*delay)(unsigned int), unsigned int d, int n,
792 for (i = 0; i < n; i++) {
793 if (c->check(tp) == high)
797 netif_err(tp, drv, tp->dev, "%s == %d (loop: %d, delay: %d).\n",
798 c->msg, !high, n, d);
802 static bool rtl_udelay_loop_wait_high(struct rtl8169_private *tp,
803 const struct rtl_cond *c,
804 unsigned int d, int n)
806 return rtl_loop_wait(tp, c, rtl_udelay, d, n, true);
809 static bool rtl_udelay_loop_wait_low(struct rtl8169_private *tp,
810 const struct rtl_cond *c,
811 unsigned int d, int n)
813 return rtl_loop_wait(tp, c, rtl_udelay, d, n, false);
816 static bool rtl_msleep_loop_wait_high(struct rtl8169_private *tp,
817 const struct rtl_cond *c,
818 unsigned int d, int n)
820 return rtl_loop_wait(tp, c, msleep, d, n, true);
823 static bool rtl_msleep_loop_wait_low(struct rtl8169_private *tp,
824 const struct rtl_cond *c,
825 unsigned int d, int n)
827 return rtl_loop_wait(tp, c, msleep, d, n, false);
830 #define DECLARE_RTL_COND(name) \
831 static bool name ## _check(struct rtl8169_private *); \
833 static const struct rtl_cond name = { \
834 .check = name ## _check, \
838 static bool name ## _check(struct rtl8169_private *tp)
840 static bool rtl_ocp_reg_failure(struct rtl8169_private *tp, u32 reg)
842 if (reg & 0xffff0001) {
843 netif_err(tp, drv, tp->dev, "Invalid ocp reg %x!\n", reg);
849 DECLARE_RTL_COND(rtl_ocp_gphy_cond)
851 return RTL_R32(tp, GPHY_OCP) & OCPAR_FLAG;
854 static void r8168_phy_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
856 if (rtl_ocp_reg_failure(tp, reg))
859 RTL_W32(tp, GPHY_OCP, OCPAR_FLAG | (reg << 15) | data);
861 rtl_udelay_loop_wait_low(tp, &rtl_ocp_gphy_cond, 25, 10);
864 static int r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg)
866 if (rtl_ocp_reg_failure(tp, reg))
869 RTL_W32(tp, GPHY_OCP, reg << 15);
871 return rtl_udelay_loop_wait_high(tp, &rtl_ocp_gphy_cond, 25, 10) ?
872 (RTL_R32(tp, GPHY_OCP) & 0xffff) : -ETIMEDOUT;
875 static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
877 if (rtl_ocp_reg_failure(tp, reg))
880 RTL_W32(tp, OCPDR, OCPAR_FLAG | (reg << 15) | data);
883 static u16 r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg)
885 if (rtl_ocp_reg_failure(tp, reg))
888 RTL_W32(tp, OCPDR, reg << 15);
890 return RTL_R32(tp, OCPDR);
893 static void r8168_mac_ocp_modify(struct rtl8169_private *tp, u32 reg, u16 mask,
896 u16 data = r8168_mac_ocp_read(tp, reg);
898 r8168_mac_ocp_write(tp, reg, (data & ~mask) | set);
901 #define OCP_STD_PHY_BASE 0xa400
903 static void r8168g_mdio_write(struct rtl8169_private *tp, int reg, int value)
906 tp->ocp_base = value ? value << 4 : OCP_STD_PHY_BASE;
910 if (tp->ocp_base != OCP_STD_PHY_BASE)
913 r8168_phy_ocp_write(tp, tp->ocp_base + reg * 2, value);
916 static int r8168g_mdio_read(struct rtl8169_private *tp, int reg)
918 if (tp->ocp_base != OCP_STD_PHY_BASE)
921 return r8168_phy_ocp_read(tp, tp->ocp_base + reg * 2);
924 static void mac_mcu_write(struct rtl8169_private *tp, int reg, int value)
927 tp->ocp_base = value << 4;
931 r8168_mac_ocp_write(tp, tp->ocp_base + reg, value);
934 static int mac_mcu_read(struct rtl8169_private *tp, int reg)
936 return r8168_mac_ocp_read(tp, tp->ocp_base + reg);
939 DECLARE_RTL_COND(rtl_phyar_cond)
941 return RTL_R32(tp, PHYAR) & 0x80000000;
944 static void r8169_mdio_write(struct rtl8169_private *tp, int reg, int value)
946 RTL_W32(tp, PHYAR, 0x80000000 | (reg & 0x1f) << 16 | (value & 0xffff));
948 rtl_udelay_loop_wait_low(tp, &rtl_phyar_cond, 25, 20);
950 * According to hardware specs a 20us delay is required after write
951 * complete indication, but before sending next command.
956 static int r8169_mdio_read(struct rtl8169_private *tp, int reg)
960 RTL_W32(tp, PHYAR, 0x0 | (reg & 0x1f) << 16);
962 value = rtl_udelay_loop_wait_high(tp, &rtl_phyar_cond, 25, 20) ?
963 RTL_R32(tp, PHYAR) & 0xffff : -ETIMEDOUT;
966 * According to hardware specs a 20us delay is required after read
967 * complete indication, but before sending next command.
974 DECLARE_RTL_COND(rtl_ocpar_cond)
976 return RTL_R32(tp, OCPAR) & OCPAR_FLAG;
979 static void r8168dp_1_mdio_access(struct rtl8169_private *tp, int reg, u32 data)
981 RTL_W32(tp, OCPDR, data | ((reg & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
982 RTL_W32(tp, OCPAR, OCPAR_GPHY_WRITE_CMD);
983 RTL_W32(tp, EPHY_RXER_NUM, 0);
985 rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 1000, 100);
988 static void r8168dp_1_mdio_write(struct rtl8169_private *tp, int reg, int value)
990 r8168dp_1_mdio_access(tp, reg,
991 OCPDR_WRITE_CMD | (value & OCPDR_DATA_MASK));
994 static int r8168dp_1_mdio_read(struct rtl8169_private *tp, int reg)
996 r8168dp_1_mdio_access(tp, reg, OCPDR_READ_CMD);
999 RTL_W32(tp, OCPAR, OCPAR_GPHY_READ_CMD);
1000 RTL_W32(tp, EPHY_RXER_NUM, 0);
1002 return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 1000, 100) ?
1003 RTL_R32(tp, OCPDR) & OCPDR_DATA_MASK : -ETIMEDOUT;
1006 #define R8168DP_1_MDIO_ACCESS_BIT 0x00020000
1008 static void r8168dp_2_mdio_start(struct rtl8169_private *tp)
1010 RTL_W32(tp, 0xd0, RTL_R32(tp, 0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
1013 static void r8168dp_2_mdio_stop(struct rtl8169_private *tp)
1015 RTL_W32(tp, 0xd0, RTL_R32(tp, 0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
1018 static void r8168dp_2_mdio_write(struct rtl8169_private *tp, int reg, int value)
1020 r8168dp_2_mdio_start(tp);
1022 r8169_mdio_write(tp, reg, value);
1024 r8168dp_2_mdio_stop(tp);
1027 static int r8168dp_2_mdio_read(struct rtl8169_private *tp, int reg)
1031 r8168dp_2_mdio_start(tp);
1033 value = r8169_mdio_read(tp, reg);
1035 r8168dp_2_mdio_stop(tp);
1040 static void rtl_writephy(struct rtl8169_private *tp, int location, int val)
1042 switch (tp->mac_version) {
1043 case RTL_GIGA_MAC_VER_27:
1044 r8168dp_1_mdio_write(tp, location, val);
1046 case RTL_GIGA_MAC_VER_28:
1047 case RTL_GIGA_MAC_VER_31:
1048 r8168dp_2_mdio_write(tp, location, val);
1050 case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_61:
1051 r8168g_mdio_write(tp, location, val);
1054 r8169_mdio_write(tp, location, val);
1059 static int rtl_readphy(struct rtl8169_private *tp, int location)
1061 switch (tp->mac_version) {
1062 case RTL_GIGA_MAC_VER_27:
1063 return r8168dp_1_mdio_read(tp, location);
1064 case RTL_GIGA_MAC_VER_28:
1065 case RTL_GIGA_MAC_VER_31:
1066 return r8168dp_2_mdio_read(tp, location);
1067 case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_61:
1068 return r8168g_mdio_read(tp, location);
1070 return r8169_mdio_read(tp, location);
1074 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
1076 rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
1079 static void rtl_w0w1_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
1083 val = rtl_readphy(tp, reg_addr);
1084 rtl_writephy(tp, reg_addr, (val & ~m) | p);
1087 DECLARE_RTL_COND(rtl_ephyar_cond)
1089 return RTL_R32(tp, EPHYAR) & EPHYAR_FLAG;
1092 static void rtl_ephy_write(struct rtl8169_private *tp, int reg_addr, int value)
1094 RTL_W32(tp, EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
1095 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1097 rtl_udelay_loop_wait_low(tp, &rtl_ephyar_cond, 10, 100);
1102 static u16 rtl_ephy_read(struct rtl8169_private *tp, int reg_addr)
1104 RTL_W32(tp, EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1106 return rtl_udelay_loop_wait_high(tp, &rtl_ephyar_cond, 10, 100) ?
1107 RTL_R32(tp, EPHYAR) & EPHYAR_DATA_MASK : ~0;
1110 DECLARE_RTL_COND(rtl_eriar_cond)
1112 return RTL_R32(tp, ERIAR) & ERIAR_FLAG;
1115 static void _rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask,
1118 BUG_ON((addr & 3) || (mask == 0));
1119 RTL_W32(tp, ERIDR, val);
1120 RTL_W32(tp, ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1122 rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 100);
1125 static void rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask,
1128 _rtl_eri_write(tp, addr, mask, val, ERIAR_EXGMAC);
1131 static u32 _rtl_eri_read(struct rtl8169_private *tp, int addr, int type)
1133 RTL_W32(tp, ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1135 return rtl_udelay_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ?
1136 RTL_R32(tp, ERIDR) : ~0;
1139 static u32 rtl_eri_read(struct rtl8169_private *tp, int addr)
1141 return _rtl_eri_read(tp, addr, ERIAR_EXGMAC);
1144 static void rtl_w0w1_eri(struct rtl8169_private *tp, int addr, u32 mask, u32 p,
1149 val = rtl_eri_read(tp, addr);
1150 rtl_eri_write(tp, addr, mask, (val & ~m) | p);
1153 static void rtl_eri_set_bits(struct rtl8169_private *tp, int addr, u32 mask,
1156 rtl_w0w1_eri(tp, addr, mask, p, 0);
1159 static void rtl_eri_clear_bits(struct rtl8169_private *tp, int addr, u32 mask,
1162 rtl_w0w1_eri(tp, addr, mask, 0, m);
1165 static u32 r8168dp_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
1167 RTL_W32(tp, OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
1168 return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 100, 20) ?
1169 RTL_R32(tp, OCPDR) : ~0;
1172 static u32 r8168ep_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
1174 return _rtl_eri_read(tp, reg, ERIAR_OOB);
1177 static void r8168dp_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg,
1180 RTL_W32(tp, OCPDR, data);
1181 RTL_W32(tp, OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
1182 rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 100, 20);
1185 static void r8168ep_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg,
1188 _rtl_eri_write(tp, reg, ((u32)mask & 0x0f) << ERIAR_MASK_SHIFT,
1192 static void r8168dp_oob_notify(struct rtl8169_private *tp, u8 cmd)
1194 rtl_eri_write(tp, 0xe8, ERIAR_MASK_0001, cmd);
1196 r8168dp_ocp_write(tp, 0x1, 0x30, 0x00000001);
1199 #define OOB_CMD_RESET 0x00
1200 #define OOB_CMD_DRIVER_START 0x05
1201 #define OOB_CMD_DRIVER_STOP 0x06
1203 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
1205 return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
1208 DECLARE_RTL_COND(rtl_dp_ocp_read_cond)
1212 reg = rtl8168_get_ocp_reg(tp);
1214 return r8168dp_ocp_read(tp, 0x0f, reg) & 0x00000800;
1217 DECLARE_RTL_COND(rtl_ep_ocp_read_cond)
1219 return r8168ep_ocp_read(tp, 0x0f, 0x124) & 0x00000001;
1222 DECLARE_RTL_COND(rtl_ocp_tx_cond)
1224 return RTL_R8(tp, IBISR0) & 0x20;
1227 static void rtl8168ep_stop_cmac(struct rtl8169_private *tp)
1229 RTL_W8(tp, IBCR2, RTL_R8(tp, IBCR2) & ~0x01);
1230 rtl_msleep_loop_wait_high(tp, &rtl_ocp_tx_cond, 50, 2000);
1231 RTL_W8(tp, IBISR0, RTL_R8(tp, IBISR0) | 0x20);
1232 RTL_W8(tp, IBCR0, RTL_R8(tp, IBCR0) & ~0x01);
1235 static void rtl8168dp_driver_start(struct rtl8169_private *tp)
1237 r8168dp_oob_notify(tp, OOB_CMD_DRIVER_START);
1238 rtl_msleep_loop_wait_high(tp, &rtl_dp_ocp_read_cond, 10, 10);
1241 static void rtl8168ep_driver_start(struct rtl8169_private *tp)
1243 r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_START);
1244 r8168ep_ocp_write(tp, 0x01, 0x30,
1245 r8168ep_ocp_read(tp, 0x01, 0x30) | 0x01);
1246 rtl_msleep_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10, 10);
1249 static void rtl8168_driver_start(struct rtl8169_private *tp)
1251 switch (tp->mac_version) {
1252 case RTL_GIGA_MAC_VER_27:
1253 case RTL_GIGA_MAC_VER_28:
1254 case RTL_GIGA_MAC_VER_31:
1255 rtl8168dp_driver_start(tp);
1257 case RTL_GIGA_MAC_VER_49:
1258 case RTL_GIGA_MAC_VER_50:
1259 case RTL_GIGA_MAC_VER_51:
1260 rtl8168ep_driver_start(tp);
1268 static void rtl8168dp_driver_stop(struct rtl8169_private *tp)
1270 r8168dp_oob_notify(tp, OOB_CMD_DRIVER_STOP);
1271 rtl_msleep_loop_wait_low(tp, &rtl_dp_ocp_read_cond, 10, 10);
1274 static void rtl8168ep_driver_stop(struct rtl8169_private *tp)
1276 rtl8168ep_stop_cmac(tp);
1277 r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_STOP);
1278 r8168ep_ocp_write(tp, 0x01, 0x30,
1279 r8168ep_ocp_read(tp, 0x01, 0x30) | 0x01);
1280 rtl_msleep_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10, 10);
1283 static void rtl8168_driver_stop(struct rtl8169_private *tp)
1285 switch (tp->mac_version) {
1286 case RTL_GIGA_MAC_VER_27:
1287 case RTL_GIGA_MAC_VER_28:
1288 case RTL_GIGA_MAC_VER_31:
1289 rtl8168dp_driver_stop(tp);
1291 case RTL_GIGA_MAC_VER_49:
1292 case RTL_GIGA_MAC_VER_50:
1293 case RTL_GIGA_MAC_VER_51:
1294 rtl8168ep_driver_stop(tp);
1302 static bool r8168dp_check_dash(struct rtl8169_private *tp)
1304 u16 reg = rtl8168_get_ocp_reg(tp);
1306 return !!(r8168dp_ocp_read(tp, 0x0f, reg) & 0x00008000);
1309 static bool r8168ep_check_dash(struct rtl8169_private *tp)
1311 return !!(r8168ep_ocp_read(tp, 0x0f, 0x128) & 0x00000001);
1314 static bool r8168_check_dash(struct rtl8169_private *tp)
1316 switch (tp->mac_version) {
1317 case RTL_GIGA_MAC_VER_27:
1318 case RTL_GIGA_MAC_VER_28:
1319 case RTL_GIGA_MAC_VER_31:
1320 return r8168dp_check_dash(tp);
1321 case RTL_GIGA_MAC_VER_49:
1322 case RTL_GIGA_MAC_VER_50:
1323 case RTL_GIGA_MAC_VER_51:
1324 return r8168ep_check_dash(tp);
1330 static void rtl_reset_packet_filter(struct rtl8169_private *tp)
1332 rtl_eri_clear_bits(tp, 0xdc, ERIAR_MASK_0001, BIT(0));
1333 rtl_eri_set_bits(tp, 0xdc, ERIAR_MASK_0001, BIT(0));
1336 DECLARE_RTL_COND(rtl_efusear_cond)
1338 return RTL_R32(tp, EFUSEAR) & EFUSEAR_FLAG;
1341 static u8 rtl8168d_efuse_read(struct rtl8169_private *tp, int reg_addr)
1343 RTL_W32(tp, EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1345 return rtl_udelay_loop_wait_high(tp, &rtl_efusear_cond, 100, 300) ?
1346 RTL_R32(tp, EFUSEAR) & EFUSEAR_DATA_MASK : ~0;
1349 static u32 rtl_get_events(struct rtl8169_private *tp)
1351 if (rtl_is_8125(tp))
1352 return RTL_R32(tp, IntrStatus_8125);
1354 return RTL_R16(tp, IntrStatus);
1357 static void rtl_ack_events(struct rtl8169_private *tp, u32 bits)
1359 if (rtl_is_8125(tp))
1360 RTL_W32(tp, IntrStatus_8125, bits);
1362 RTL_W16(tp, IntrStatus, bits);
1365 static void rtl_irq_disable(struct rtl8169_private *tp)
1367 if (rtl_is_8125(tp))
1368 RTL_W32(tp, IntrMask_8125, 0);
1370 RTL_W16(tp, IntrMask, 0);
1371 tp->irq_enabled = 0;
1374 #define RTL_EVENT_NAPI_RX (RxOK | RxErr)
1375 #define RTL_EVENT_NAPI_TX (TxOK | TxErr)
1376 #define RTL_EVENT_NAPI (RTL_EVENT_NAPI_RX | RTL_EVENT_NAPI_TX)
1378 static void rtl_irq_enable(struct rtl8169_private *tp)
1380 tp->irq_enabled = 1;
1381 if (rtl_is_8125(tp))
1382 RTL_W32(tp, IntrMask_8125, tp->irq_mask);
1384 RTL_W16(tp, IntrMask, tp->irq_mask);
1387 static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
1389 rtl_irq_disable(tp);
1390 rtl_ack_events(tp, 0xffffffff);
1392 RTL_R8(tp, ChipCmd);
1395 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1397 struct net_device *dev = tp->dev;
1398 struct phy_device *phydev = tp->phydev;
1400 if (!netif_running(dev))
1403 if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
1404 tp->mac_version == RTL_GIGA_MAC_VER_38) {
1405 if (phydev->speed == SPEED_1000) {
1406 rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011);
1407 rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005);
1408 } else if (phydev->speed == SPEED_100) {
1409 rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f);
1410 rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005);
1412 rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f);
1413 rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f);
1415 rtl_reset_packet_filter(tp);
1416 } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 ||
1417 tp->mac_version == RTL_GIGA_MAC_VER_36) {
1418 if (phydev->speed == SPEED_1000) {
1419 rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011);
1420 rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005);
1422 rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f);
1423 rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f);
1425 } else if (tp->mac_version == RTL_GIGA_MAC_VER_37) {
1426 if (phydev->speed == SPEED_10) {
1427 rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x4d02);
1428 rtl_eri_write(tp, 0x1dc, ERIAR_MASK_0011, 0x0060a);
1430 rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000);
1435 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1437 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1439 struct rtl8169_private *tp = netdev_priv(dev);
1442 wol->supported = WAKE_ANY;
1443 wol->wolopts = tp->saved_wolopts;
1444 rtl_unlock_work(tp);
1447 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1449 static const struct {
1454 { WAKE_PHY, Config3, LinkUp },
1455 { WAKE_UCAST, Config5, UWF },
1456 { WAKE_BCAST, Config5, BWF },
1457 { WAKE_MCAST, Config5, MWF },
1458 { WAKE_ANY, Config5, LanWake },
1459 { WAKE_MAGIC, Config3, MagicPacket }
1461 unsigned int i, tmp = ARRAY_SIZE(cfg);
1464 rtl_unlock_config_regs(tp);
1466 if (rtl_is_8168evl_up(tp)) {
1468 if (wolopts & WAKE_MAGIC)
1469 rtl_eri_set_bits(tp, 0x0dc, ERIAR_MASK_0100,
1472 rtl_eri_clear_bits(tp, 0x0dc, ERIAR_MASK_0100,
1474 } else if (rtl_is_8125(tp)) {
1476 if (wolopts & WAKE_MAGIC)
1477 r8168_mac_ocp_modify(tp, 0xc0b6, 0, BIT(0));
1479 r8168_mac_ocp_modify(tp, 0xc0b6, BIT(0), 0);
1482 for (i = 0; i < tmp; i++) {
1483 options = RTL_R8(tp, cfg[i].reg) & ~cfg[i].mask;
1484 if (wolopts & cfg[i].opt)
1485 options |= cfg[i].mask;
1486 RTL_W8(tp, cfg[i].reg, options);
1489 switch (tp->mac_version) {
1490 case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06:
1491 options = RTL_R8(tp, Config1) & ~PMEnable;
1493 options |= PMEnable;
1494 RTL_W8(tp, Config1, options);
1496 case RTL_GIGA_MAC_VER_34:
1497 case RTL_GIGA_MAC_VER_37:
1498 case RTL_GIGA_MAC_VER_39 ... RTL_GIGA_MAC_VER_51:
1499 options = RTL_R8(tp, Config2) & ~PME_SIGNAL;
1501 options |= PME_SIGNAL;
1502 RTL_W8(tp, Config2, options);
1508 rtl_lock_config_regs(tp);
1510 device_set_wakeup_enable(tp_to_dev(tp), wolopts);
1513 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1515 struct rtl8169_private *tp = netdev_priv(dev);
1516 struct device *d = tp_to_dev(tp);
1518 if (wol->wolopts & ~WAKE_ANY)
1521 pm_runtime_get_noresume(d);
1525 tp->saved_wolopts = wol->wolopts;
1527 if (pm_runtime_active(d))
1528 __rtl8169_set_wol(tp, tp->saved_wolopts);
1530 rtl_unlock_work(tp);
1532 pm_runtime_put_noidle(d);
1537 static void rtl8169_get_drvinfo(struct net_device *dev,
1538 struct ethtool_drvinfo *info)
1540 struct rtl8169_private *tp = netdev_priv(dev);
1541 struct rtl_fw *rtl_fw = tp->rtl_fw;
1543 strlcpy(info->driver, MODULENAME, sizeof(info->driver));
1544 strlcpy(info->bus_info, pci_name(tp->pci_dev), sizeof(info->bus_info));
1545 BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1547 strlcpy(info->fw_version, rtl_fw->version,
1548 sizeof(info->fw_version));
1551 static int rtl8169_get_regs_len(struct net_device *dev)
1553 return R8169_REGS_SIZE;
1556 static netdev_features_t rtl8169_fix_features(struct net_device *dev,
1557 netdev_features_t features)
1559 struct rtl8169_private *tp = netdev_priv(dev);
1561 if (dev->mtu > TD_MSS_MAX)
1562 features &= ~NETIF_F_ALL_TSO;
1564 if (dev->mtu > JUMBO_1K &&
1565 tp->mac_version > RTL_GIGA_MAC_VER_06)
1566 features &= ~NETIF_F_IP_CSUM;
1571 static int rtl8169_set_features(struct net_device *dev,
1572 netdev_features_t features)
1574 struct rtl8169_private *tp = netdev_priv(dev);
1579 rx_config = RTL_R32(tp, RxConfig);
1580 if (features & NETIF_F_RXALL)
1581 rx_config |= (AcceptErr | AcceptRunt);
1583 rx_config &= ~(AcceptErr | AcceptRunt);
1585 if (rtl_is_8125(tp)) {
1586 if (features & NETIF_F_HW_VLAN_CTAG_RX)
1587 rx_config |= RX_VLAN_8125;
1589 rx_config &= ~RX_VLAN_8125;
1592 RTL_W32(tp, RxConfig, rx_config);
1594 if (features & NETIF_F_RXCSUM)
1595 tp->cp_cmd |= RxChkSum;
1597 tp->cp_cmd &= ~RxChkSum;
1599 if (!rtl_is_8125(tp)) {
1600 if (features & NETIF_F_HW_VLAN_CTAG_RX)
1601 tp->cp_cmd |= RxVlan;
1603 tp->cp_cmd &= ~RxVlan;
1606 RTL_W16(tp, CPlusCmd, tp->cp_cmd);
1607 RTL_R16(tp, CPlusCmd);
1609 rtl_unlock_work(tp);
1614 static inline u32 rtl8169_tx_vlan_tag(struct sk_buff *skb)
1616 return (skb_vlan_tag_present(skb)) ?
1617 TxVlanTag | swab16(skb_vlan_tag_get(skb)) : 0x00;
1620 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1622 u32 opts2 = le32_to_cpu(desc->opts2);
1624 if (opts2 & RxVlanTag)
1625 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), swab16(opts2 & 0xffff));
1628 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1631 struct rtl8169_private *tp = netdev_priv(dev);
1632 u32 __iomem *data = tp->mmio_addr;
1637 for (i = 0; i < R8169_REGS_SIZE; i += 4)
1638 memcpy_fromio(dw++, data++, 4);
1639 rtl_unlock_work(tp);
1642 static u32 rtl8169_get_msglevel(struct net_device *dev)
1644 struct rtl8169_private *tp = netdev_priv(dev);
1646 return tp->msg_enable;
1649 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1651 struct rtl8169_private *tp = netdev_priv(dev);
1653 tp->msg_enable = value;
1656 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1663 "tx_single_collisions",
1664 "tx_multi_collisions",
1672 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1676 return ARRAY_SIZE(rtl8169_gstrings);
1682 DECLARE_RTL_COND(rtl_counters_cond)
1684 return RTL_R32(tp, CounterAddrLow) & (CounterReset | CounterDump);
1687 static bool rtl8169_do_counters(struct rtl8169_private *tp, u32 counter_cmd)
1689 dma_addr_t paddr = tp->counters_phys_addr;
1692 RTL_W32(tp, CounterAddrHigh, (u64)paddr >> 32);
1693 RTL_R32(tp, CounterAddrHigh);
1694 cmd = (u64)paddr & DMA_BIT_MASK(32);
1695 RTL_W32(tp, CounterAddrLow, cmd);
1696 RTL_W32(tp, CounterAddrLow, cmd | counter_cmd);
1698 return rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000);
1701 static bool rtl8169_reset_counters(struct rtl8169_private *tp)
1704 * Versions prior to RTL_GIGA_MAC_VER_19 don't support resetting the
1707 if (tp->mac_version < RTL_GIGA_MAC_VER_19)
1710 return rtl8169_do_counters(tp, CounterReset);
1713 static bool rtl8169_update_counters(struct rtl8169_private *tp)
1715 u8 val = RTL_R8(tp, ChipCmd);
1718 * Some chips are unable to dump tally counters when the receiver
1719 * is disabled. If 0xff chip may be in a PCI power-save state.
1721 if (!(val & CmdRxEnb) || val == 0xff)
1724 return rtl8169_do_counters(tp, CounterDump);
1727 static bool rtl8169_init_counter_offsets(struct rtl8169_private *tp)
1729 struct rtl8169_counters *counters = tp->counters;
1733 * rtl8169_init_counter_offsets is called from rtl_open. On chip
1734 * versions prior to RTL_GIGA_MAC_VER_19 the tally counters are only
1735 * reset by a power cycle, while the counter values collected by the
1736 * driver are reset at every driver unload/load cycle.
1738 * To make sure the HW values returned by @get_stats64 match the SW
1739 * values, we collect the initial values at first open(*) and use them
1740 * as offsets to normalize the values returned by @get_stats64.
1742 * (*) We can't call rtl8169_init_counter_offsets from rtl_init_one
1743 * for the reason stated in rtl8169_update_counters; CmdRxEnb is only
1744 * set at open time by rtl_hw_start.
1747 if (tp->tc_offset.inited)
1750 /* If both, reset and update fail, propagate to caller. */
1751 if (rtl8169_reset_counters(tp))
1754 if (rtl8169_update_counters(tp))
1757 tp->tc_offset.tx_errors = counters->tx_errors;
1758 tp->tc_offset.tx_multi_collision = counters->tx_multi_collision;
1759 tp->tc_offset.tx_aborted = counters->tx_aborted;
1760 tp->tc_offset.inited = true;
1765 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1766 struct ethtool_stats *stats, u64 *data)
1768 struct rtl8169_private *tp = netdev_priv(dev);
1769 struct device *d = tp_to_dev(tp);
1770 struct rtl8169_counters *counters = tp->counters;
1774 pm_runtime_get_noresume(d);
1776 if (pm_runtime_active(d))
1777 rtl8169_update_counters(tp);
1779 pm_runtime_put_noidle(d);
1781 data[0] = le64_to_cpu(counters->tx_packets);
1782 data[1] = le64_to_cpu(counters->rx_packets);
1783 data[2] = le64_to_cpu(counters->tx_errors);
1784 data[3] = le32_to_cpu(counters->rx_errors);
1785 data[4] = le16_to_cpu(counters->rx_missed);
1786 data[5] = le16_to_cpu(counters->align_errors);
1787 data[6] = le32_to_cpu(counters->tx_one_collision);
1788 data[7] = le32_to_cpu(counters->tx_multi_collision);
1789 data[8] = le64_to_cpu(counters->rx_unicast);
1790 data[9] = le64_to_cpu(counters->rx_broadcast);
1791 data[10] = le32_to_cpu(counters->rx_multicast);
1792 data[11] = le16_to_cpu(counters->tx_aborted);
1793 data[12] = le16_to_cpu(counters->tx_underun);
1796 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1800 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1806 * Interrupt coalescing
1808 * > 1 - the availability of the IntrMitigate (0xe2) register through the
1809 * > 8169, 8168 and 810x line of chipsets
1811 * 8169, 8168, and 8136(810x) serial chipsets support it.
1813 * > 2 - the Tx timer unit at gigabit speed
1815 * The unit of the timer depends on both the speed and the setting of CPlusCmd
1816 * (0xe0) bit 1 and bit 0.
1819 * bit[1:0] \ speed 1000M 100M 10M
1820 * 0 0 320ns 2.56us 40.96us
1821 * 0 1 2.56us 20.48us 327.7us
1822 * 1 0 5.12us 40.96us 655.4us
1823 * 1 1 10.24us 81.92us 1.31ms
1826 * bit[1:0] \ speed 1000M 100M 10M
1827 * 0 0 5us 2.56us 40.96us
1828 * 0 1 40us 20.48us 327.7us
1829 * 1 0 80us 40.96us 655.4us
1830 * 1 1 160us 81.92us 1.31ms
1833 /* rx/tx scale factors for one particular CPlusCmd[0:1] value */
1834 struct rtl_coalesce_scale {
1839 /* rx/tx scale factors for all CPlusCmd[0:1] cases */
1840 struct rtl_coalesce_info {
1842 struct rtl_coalesce_scale scalev[4]; /* each CPlusCmd[0:1] case */
1845 /* produce (r,t) pairs with each being in series of *1, *8, *8*2, *8*2*2 */
1846 #define rxtx_x1822(r, t) { \
1849 {{(r)*8*2, (t)*8*2}}, \
1850 {{(r)*8*2*2, (t)*8*2*2}}, \
1852 static const struct rtl_coalesce_info rtl_coalesce_info_8169[] = {
1853 /* speed delays: rx00 tx00 */
1854 { SPEED_10, rxtx_x1822(40960, 40960) },
1855 { SPEED_100, rxtx_x1822( 2560, 2560) },
1856 { SPEED_1000, rxtx_x1822( 320, 320) },
1860 static const struct rtl_coalesce_info rtl_coalesce_info_8168_8136[] = {
1861 /* speed delays: rx00 tx00 */
1862 { SPEED_10, rxtx_x1822(40960, 40960) },
1863 { SPEED_100, rxtx_x1822( 2560, 2560) },
1864 { SPEED_1000, rxtx_x1822( 5000, 5000) },
1869 /* get rx/tx scale vector corresponding to current speed */
1870 static const struct rtl_coalesce_info *rtl_coalesce_info(struct net_device *dev)
1872 struct rtl8169_private *tp = netdev_priv(dev);
1873 const struct rtl_coalesce_info *ci;
1875 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
1876 ci = rtl_coalesce_info_8169;
1878 ci = rtl_coalesce_info_8168_8136;
1880 for (; ci->speed; ci++) {
1881 if (tp->phydev->speed == ci->speed)
1885 return ERR_PTR(-ELNRNG);
1888 static int rtl_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
1890 struct rtl8169_private *tp = netdev_priv(dev);
1891 const struct rtl_coalesce_info *ci;
1892 const struct rtl_coalesce_scale *scale;
1896 } coal_settings [] = {
1897 { &ec->rx_max_coalesced_frames, &ec->rx_coalesce_usecs },
1898 { &ec->tx_max_coalesced_frames, &ec->tx_coalesce_usecs }
1899 }, *p = coal_settings;
1903 if (rtl_is_8125(tp))
1906 memset(ec, 0, sizeof(*ec));
1908 /* get rx/tx scale corresponding to current speed and CPlusCmd[0:1] */
1909 ci = rtl_coalesce_info(dev);
1913 scale = &ci->scalev[tp->cp_cmd & INTT_MASK];
1915 /* read IntrMitigate and adjust according to scale */
1916 for (w = RTL_R16(tp, IntrMitigate); w; w >>= RTL_COALESCE_SHIFT, p++) {
1917 *p->max_frames = (w & RTL_COALESCE_MASK) << 2;
1918 w >>= RTL_COALESCE_SHIFT;
1919 *p->usecs = w & RTL_COALESCE_MASK;
1922 for (i = 0; i < 2; i++) {
1923 p = coal_settings + i;
1924 *p->usecs = (*p->usecs * scale->nsecs[i]) / 1000;
1927 * ethtool_coalesce says it is illegal to set both usecs and
1930 if (!*p->usecs && !*p->max_frames)
1937 /* choose appropriate scale factor and CPlusCmd[0:1] for (speed, nsec) */
1938 static const struct rtl_coalesce_scale *rtl_coalesce_choose_scale(
1939 struct net_device *dev, u32 nsec, u16 *cp01)
1941 const struct rtl_coalesce_info *ci;
1944 ci = rtl_coalesce_info(dev);
1946 return ERR_CAST(ci);
1948 for (i = 0; i < 4; i++) {
1949 u32 rxtx_maxscale = max(ci->scalev[i].nsecs[0],
1950 ci->scalev[i].nsecs[1]);
1951 if (nsec <= rxtx_maxscale * RTL_COALESCE_T_MAX) {
1953 return &ci->scalev[i];
1957 return ERR_PTR(-EINVAL);
1960 static int rtl_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
1962 struct rtl8169_private *tp = netdev_priv(dev);
1963 const struct rtl_coalesce_scale *scale;
1967 } coal_settings [] = {
1968 { ec->rx_max_coalesced_frames, ec->rx_coalesce_usecs },
1969 { ec->tx_max_coalesced_frames, ec->tx_coalesce_usecs }
1970 }, *p = coal_settings;
1974 if (rtl_is_8125(tp))
1977 scale = rtl_coalesce_choose_scale(dev,
1978 max(p[0].usecs, p[1].usecs) * 1000, &cp01);
1980 return PTR_ERR(scale);
1982 for (i = 0; i < 2; i++, p++) {
1986 * accept max_frames=1 we returned in rtl_get_coalesce.
1987 * accept it not only when usecs=0 because of e.g. the following scenario:
1989 * - both rx_usecs=0 & rx_frames=0 in hardware (no delay on RX)
1990 * - rtl_get_coalesce returns rx_usecs=0, rx_frames=1
1991 * - then user does `ethtool -C eth0 rx-usecs 100`
1993 * since ethtool sends to kernel whole ethtool_coalesce
1994 * settings, if we do not handle rx_usecs=!0, rx_frames=1
1995 * we'll reject it below in `frames % 4 != 0`.
1997 if (p->frames == 1) {
2001 units = p->usecs * 1000 / scale->nsecs[i];
2002 if (p->frames > RTL_COALESCE_FRAME_MAX || p->frames % 4)
2005 w <<= RTL_COALESCE_SHIFT;
2007 w <<= RTL_COALESCE_SHIFT;
2008 w |= p->frames >> 2;
2013 RTL_W16(tp, IntrMitigate, swab16(w));
2015 tp->cp_cmd = (tp->cp_cmd & ~INTT_MASK) | cp01;
2016 RTL_W16(tp, CPlusCmd, tp->cp_cmd);
2017 RTL_R16(tp, CPlusCmd);
2019 rtl_unlock_work(tp);
2024 static int rtl8169_get_eee(struct net_device *dev, struct ethtool_eee *data)
2026 struct rtl8169_private *tp = netdev_priv(dev);
2027 struct device *d = tp_to_dev(tp);
2030 if (!rtl_supports_eee(tp))
2033 pm_runtime_get_noresume(d);
2035 if (!pm_runtime_active(d)) {
2038 ret = phy_ethtool_get_eee(tp->phydev, data);
2041 pm_runtime_put_noidle(d);
2046 static int rtl8169_set_eee(struct net_device *dev, struct ethtool_eee *data)
2048 struct rtl8169_private *tp = netdev_priv(dev);
2049 struct device *d = tp_to_dev(tp);
2052 if (!rtl_supports_eee(tp))
2055 pm_runtime_get_noresume(d);
2057 if (!pm_runtime_active(d)) {
2062 if (dev->phydev->autoneg == AUTONEG_DISABLE ||
2063 dev->phydev->duplex != DUPLEX_FULL) {
2064 ret = -EPROTONOSUPPORT;
2068 ret = phy_ethtool_set_eee(tp->phydev, data);
2070 pm_runtime_put_noidle(d);
2074 static const struct ethtool_ops rtl8169_ethtool_ops = {
2075 .get_drvinfo = rtl8169_get_drvinfo,
2076 .get_regs_len = rtl8169_get_regs_len,
2077 .get_link = ethtool_op_get_link,
2078 .get_coalesce = rtl_get_coalesce,
2079 .set_coalesce = rtl_set_coalesce,
2080 .get_msglevel = rtl8169_get_msglevel,
2081 .set_msglevel = rtl8169_set_msglevel,
2082 .get_regs = rtl8169_get_regs,
2083 .get_wol = rtl8169_get_wol,
2084 .set_wol = rtl8169_set_wol,
2085 .get_strings = rtl8169_get_strings,
2086 .get_sset_count = rtl8169_get_sset_count,
2087 .get_ethtool_stats = rtl8169_get_ethtool_stats,
2088 .get_ts_info = ethtool_op_get_ts_info,
2089 .nway_reset = phy_ethtool_nway_reset,
2090 .get_eee = rtl8169_get_eee,
2091 .set_eee = rtl8169_set_eee,
2092 .get_link_ksettings = phy_ethtool_get_link_ksettings,
2093 .set_link_ksettings = phy_ethtool_set_link_ksettings,
2096 static void rtl_enable_eee(struct rtl8169_private *tp)
2098 struct phy_device *phydev = tp->phydev;
2099 int supported = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
2102 phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, supported);
2105 static void rtl8169_get_mac_version(struct rtl8169_private *tp)
2108 * The driver currently handles the 8168Bf and the 8168Be identically
2109 * but they can be identified more specifically through the test below
2112 * (RTL_R32(tp, TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
2114 * Same thing for the 8101Eb and the 8101Ec:
2116 * (RTL_R32(tp, TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
2118 static const struct rtl_mac_info {
2124 { 0x7cf, 0x608, RTL_GIGA_MAC_VER_60 },
2125 { 0x7c8, 0x608, RTL_GIGA_MAC_VER_61 },
2127 /* 8168EP family. */
2128 { 0x7cf, 0x502, RTL_GIGA_MAC_VER_51 },
2129 { 0x7cf, 0x501, RTL_GIGA_MAC_VER_50 },
2130 { 0x7cf, 0x500, RTL_GIGA_MAC_VER_49 },
2133 { 0x7cf, 0x541, RTL_GIGA_MAC_VER_46 },
2134 { 0x7cf, 0x540, RTL_GIGA_MAC_VER_45 },
2137 { 0x7cf, 0x5c8, RTL_GIGA_MAC_VER_44 },
2138 { 0x7cf, 0x509, RTL_GIGA_MAC_VER_42 },
2139 { 0x7cf, 0x4c1, RTL_GIGA_MAC_VER_41 },
2140 { 0x7cf, 0x4c0, RTL_GIGA_MAC_VER_40 },
2143 { 0x7c8, 0x488, RTL_GIGA_MAC_VER_38 },
2144 { 0x7cf, 0x481, RTL_GIGA_MAC_VER_36 },
2145 { 0x7cf, 0x480, RTL_GIGA_MAC_VER_35 },
2148 { 0x7c8, 0x2c8, RTL_GIGA_MAC_VER_34 },
2149 { 0x7cf, 0x2c1, RTL_GIGA_MAC_VER_32 },
2150 { 0x7c8, 0x2c0, RTL_GIGA_MAC_VER_33 },
2153 { 0x7cf, 0x281, RTL_GIGA_MAC_VER_25 },
2154 { 0x7c8, 0x280, RTL_GIGA_MAC_VER_26 },
2156 /* 8168DP family. */
2157 { 0x7cf, 0x288, RTL_GIGA_MAC_VER_27 },
2158 { 0x7cf, 0x28a, RTL_GIGA_MAC_VER_28 },
2159 { 0x7cf, 0x28b, RTL_GIGA_MAC_VER_31 },
2162 { 0x7cf, 0x3c9, RTL_GIGA_MAC_VER_23 },
2163 { 0x7cf, 0x3c8, RTL_GIGA_MAC_VER_18 },
2164 { 0x7c8, 0x3c8, RTL_GIGA_MAC_VER_24 },
2165 { 0x7cf, 0x3c0, RTL_GIGA_MAC_VER_19 },
2166 { 0x7cf, 0x3c2, RTL_GIGA_MAC_VER_20 },
2167 { 0x7cf, 0x3c3, RTL_GIGA_MAC_VER_21 },
2168 { 0x7c8, 0x3c0, RTL_GIGA_MAC_VER_22 },
2171 { 0x7cf, 0x380, RTL_GIGA_MAC_VER_12 },
2172 { 0x7c8, 0x380, RTL_GIGA_MAC_VER_17 },
2173 { 0x7c8, 0x300, RTL_GIGA_MAC_VER_11 },
2176 { 0x7c8, 0x448, RTL_GIGA_MAC_VER_39 },
2177 { 0x7c8, 0x440, RTL_GIGA_MAC_VER_37 },
2178 { 0x7cf, 0x409, RTL_GIGA_MAC_VER_29 },
2179 { 0x7c8, 0x408, RTL_GIGA_MAC_VER_30 },
2180 { 0x7cf, 0x349, RTL_GIGA_MAC_VER_08 },
2181 { 0x7cf, 0x249, RTL_GIGA_MAC_VER_08 },
2182 { 0x7cf, 0x348, RTL_GIGA_MAC_VER_07 },
2183 { 0x7cf, 0x248, RTL_GIGA_MAC_VER_07 },
2184 { 0x7cf, 0x340, RTL_GIGA_MAC_VER_13 },
2185 { 0x7cf, 0x343, RTL_GIGA_MAC_VER_10 },
2186 { 0x7cf, 0x342, RTL_GIGA_MAC_VER_16 },
2187 { 0x7c8, 0x348, RTL_GIGA_MAC_VER_09 },
2188 { 0x7c8, 0x248, RTL_GIGA_MAC_VER_09 },
2189 { 0x7c8, 0x340, RTL_GIGA_MAC_VER_16 },
2190 /* FIXME: where did these entries come from ? -- FR */
2191 { 0xfc8, 0x388, RTL_GIGA_MAC_VER_15 },
2192 { 0xfc8, 0x308, RTL_GIGA_MAC_VER_14 },
2195 { 0xfc8, 0x980, RTL_GIGA_MAC_VER_06 },
2196 { 0xfc8, 0x180, RTL_GIGA_MAC_VER_05 },
2197 { 0xfc8, 0x100, RTL_GIGA_MAC_VER_04 },
2198 { 0xfc8, 0x040, RTL_GIGA_MAC_VER_03 },
2199 { 0xfc8, 0x008, RTL_GIGA_MAC_VER_02 },
2202 { 0x000, 0x000, RTL_GIGA_MAC_NONE }
2204 const struct rtl_mac_info *p = mac_info;
2205 u16 reg = RTL_R32(tp, TxConfig) >> 20;
2207 while ((reg & p->mask) != p->val)
2209 tp->mac_version = p->mac_version;
2211 if (tp->mac_version == RTL_GIGA_MAC_NONE) {
2212 dev_err(tp_to_dev(tp), "unknown chip XID %03x\n", reg & 0xfcf);
2213 } else if (!tp->supports_gmii) {
2214 if (tp->mac_version == RTL_GIGA_MAC_VER_42)
2215 tp->mac_version = RTL_GIGA_MAC_VER_43;
2216 else if (tp->mac_version == RTL_GIGA_MAC_VER_45)
2217 tp->mac_version = RTL_GIGA_MAC_VER_47;
2218 else if (tp->mac_version == RTL_GIGA_MAC_VER_46)
2219 tp->mac_version = RTL_GIGA_MAC_VER_48;
2228 static void __rtl_writephy_batch(struct rtl8169_private *tp,
2229 const struct phy_reg *regs, int len)
2232 rtl_writephy(tp, regs->reg, regs->val);
2237 #define rtl_writephy_batch(tp, a) __rtl_writephy_batch(tp, a, ARRAY_SIZE(a))
2239 static void rtl_release_firmware(struct rtl8169_private *tp)
2242 rtl_fw_release_firmware(tp->rtl_fw);
2248 static void rtl_apply_firmware(struct rtl8169_private *tp)
2250 /* TODO: release firmware if rtl_fw_write_firmware signals failure. */
2252 rtl_fw_write_firmware(tp, tp->rtl_fw);
2255 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2257 if (rtl_readphy(tp, reg) != val)
2258 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2260 rtl_apply_firmware(tp);
2263 static void rtl8168_config_eee_mac(struct rtl8169_private *tp)
2265 /* Adjust EEE LED frequency */
2266 if (tp->mac_version != RTL_GIGA_MAC_VER_38)
2267 RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07);
2269 rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_1111, 0x0003);
2272 static void rtl8168f_config_eee_phy(struct rtl8169_private *tp)
2274 struct phy_device *phydev = tp->phydev;
2276 phy_write(phydev, 0x1f, 0x0007);
2277 phy_write(phydev, 0x1e, 0x0020);
2278 phy_set_bits(phydev, 0x15, BIT(8));
2280 phy_write(phydev, 0x1f, 0x0005);
2281 phy_write(phydev, 0x05, 0x8b85);
2282 phy_set_bits(phydev, 0x06, BIT(13));
2284 phy_write(phydev, 0x1f, 0x0000);
2287 static void rtl8168g_config_eee_phy(struct rtl8169_private *tp)
2289 phy_modify_paged(tp->phydev, 0x0a43, 0x11, 0, BIT(4));
2292 static void rtl8168h_config_eee_phy(struct rtl8169_private *tp)
2294 struct phy_device *phydev = tp->phydev;
2296 rtl8168g_config_eee_phy(tp);
2298 phy_modify_paged(phydev, 0xa4a, 0x11, 0x0000, 0x0200);
2299 phy_modify_paged(phydev, 0xa42, 0x14, 0x0000, 0x0080);
2302 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2304 static const struct phy_reg phy_reg_init[] = {
2366 rtl_writephy_batch(tp, phy_reg_init);
2369 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2371 static const struct phy_reg phy_reg_init[] = {
2377 rtl_writephy_batch(tp, phy_reg_init);
2380 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2382 struct pci_dev *pdev = tp->pci_dev;
2384 if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2385 (pdev->subsystem_device != 0xe000))
2388 rtl_writephy(tp, 0x1f, 0x0001);
2389 rtl_writephy(tp, 0x10, 0xf01b);
2390 rtl_writephy(tp, 0x1f, 0x0000);
2393 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2395 static const struct phy_reg phy_reg_init[] = {
2435 rtl_writephy_batch(tp, phy_reg_init);
2437 rtl8169scd_hw_phy_config_quirk(tp);
2440 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2442 static const struct phy_reg phy_reg_init[] = {
2490 rtl_writephy_batch(tp, phy_reg_init);
2493 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2495 static const struct phy_reg phy_reg_init[] = {
2500 rtl_writephy(tp, 0x1f, 0x0001);
2501 rtl_patchphy(tp, 0x16, 1 << 0);
2503 rtl_writephy_batch(tp, phy_reg_init);
2506 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2508 static const struct phy_reg phy_reg_init[] = {
2514 rtl_writephy_batch(tp, phy_reg_init);
2517 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2519 static const struct phy_reg phy_reg_init[] = {
2527 rtl_writephy_batch(tp, phy_reg_init);
2530 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2532 static const struct phy_reg phy_reg_init[] = {
2538 rtl_writephy(tp, 0x1f, 0x0000);
2539 rtl_patchphy(tp, 0x14, 1 << 5);
2540 rtl_patchphy(tp, 0x0d, 1 << 5);
2542 rtl_writephy_batch(tp, phy_reg_init);
2545 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2547 static const struct phy_reg phy_reg_init[] = {
2567 rtl_writephy_batch(tp, phy_reg_init);
2569 rtl_patchphy(tp, 0x14, 1 << 5);
2570 rtl_patchphy(tp, 0x0d, 1 << 5);
2571 rtl_writephy(tp, 0x1f, 0x0000);
2574 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2576 static const struct phy_reg phy_reg_init[] = {
2594 rtl_writephy_batch(tp, phy_reg_init);
2596 rtl_patchphy(tp, 0x16, 1 << 0);
2597 rtl_patchphy(tp, 0x14, 1 << 5);
2598 rtl_patchphy(tp, 0x0d, 1 << 5);
2599 rtl_writephy(tp, 0x1f, 0x0000);
2602 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2604 static const struct phy_reg phy_reg_init[] = {
2616 rtl_writephy_batch(tp, phy_reg_init);
2618 rtl_patchphy(tp, 0x16, 1 << 0);
2619 rtl_patchphy(tp, 0x14, 1 << 5);
2620 rtl_patchphy(tp, 0x0d, 1 << 5);
2621 rtl_writephy(tp, 0x1f, 0x0000);
2624 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2626 rtl8168c_3_hw_phy_config(tp);
2629 static const struct phy_reg rtl8168d_1_phy_reg_init_0[] = {
2630 /* Channel Estimation */
2651 * Enhance line driver power
2660 * Can not link to 1Gbps with bad cable
2661 * Decrease SNR threshold form 21.07dB to 19.04dB
2670 static const struct phy_reg rtl8168d_1_phy_reg_init_1[] = {
2679 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2681 rtl_writephy_batch(tp, rtl8168d_1_phy_reg_init_0);
2685 * Fine Tune Switching regulator parameter
2687 rtl_writephy(tp, 0x1f, 0x0002);
2688 rtl_w0w1_phy(tp, 0x0b, 0x0010, 0x00ef);
2689 rtl_w0w1_phy(tp, 0x0c, 0xa200, 0x5d00);
2691 if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
2694 rtl_writephy_batch(tp, rtl8168d_1_phy_reg_init_1);
2696 val = rtl_readphy(tp, 0x0d);
2698 if ((val & 0x00ff) != 0x006c) {
2699 static const u32 set[] = {
2700 0x0065, 0x0066, 0x0067, 0x0068,
2701 0x0069, 0x006a, 0x006b, 0x006c
2705 rtl_writephy(tp, 0x1f, 0x0002);
2708 for (i = 0; i < ARRAY_SIZE(set); i++)
2709 rtl_writephy(tp, 0x0d, val | set[i]);
2712 static const struct phy_reg phy_reg_init[] = {
2720 rtl_writephy_batch(tp, phy_reg_init);
2723 /* RSET couple improve */
2724 rtl_writephy(tp, 0x1f, 0x0002);
2725 rtl_patchphy(tp, 0x0d, 0x0300);
2726 rtl_patchphy(tp, 0x0f, 0x0010);
2728 /* Fine tune PLL performance */
2729 rtl_writephy(tp, 0x1f, 0x0002);
2730 rtl_w0w1_phy(tp, 0x02, 0x0100, 0x0600);
2731 rtl_w0w1_phy(tp, 0x03, 0x0000, 0xe000);
2733 rtl_writephy(tp, 0x1f, 0x0005);
2734 rtl_writephy(tp, 0x05, 0x001b);
2736 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2738 rtl_writephy(tp, 0x1f, 0x0000);
2741 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2743 rtl_writephy_batch(tp, rtl8168d_1_phy_reg_init_0);
2745 if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
2748 rtl_writephy_batch(tp, rtl8168d_1_phy_reg_init_1);
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);
2776 /* Fine tune PLL performance */
2777 rtl_writephy(tp, 0x1f, 0x0002);
2778 rtl_w0w1_phy(tp, 0x02, 0x0100, 0x0600);
2779 rtl_w0w1_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);
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);
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);
2904 /* DCO enable for 10M IDLE Power */
2905 rtl_writephy(tp, 0x1f, 0x0007);
2906 rtl_writephy(tp, 0x1e, 0x0023);
2907 rtl_w0w1_phy(tp, 0x17, 0x0006, 0x0000);
2908 rtl_writephy(tp, 0x1f, 0x0000);
2910 /* For impedance matching */
2911 rtl_writephy(tp, 0x1f, 0x0002);
2912 rtl_w0w1_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_w0w1_phy(tp, 0x18, 0x0050, 0x0000);
2919 rtl_writephy(tp, 0x1f, 0x0000);
2920 rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
2922 rtl_writephy(tp, 0x1f, 0x0005);
2923 rtl_writephy(tp, 0x05, 0x8b86);
2924 rtl_w0w1_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_w0w1_phy(tp, 0x06, 0x0000, 0x2000);
2930 rtl_writephy(tp, 0x1f, 0x0007);
2931 rtl_writephy(tp, 0x1e, 0x0020);
2932 rtl_w0w1_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 rtl_rar_exgmac_set(struct rtl8169_private *tp, u8 *addr)
2946 addr[0] | (addr[1] << 8),
2947 addr[2] | (addr[3] << 8),
2948 addr[4] | (addr[5] << 8)
2951 rtl_eri_write(tp, 0xe0, ERIAR_MASK_1111, w[0] | (w[1] << 16));
2952 rtl_eri_write(tp, 0xe4, ERIAR_MASK_1111, w[2]);
2953 rtl_eri_write(tp, 0xf0, ERIAR_MASK_1111, w[0] << 16);
2954 rtl_eri_write(tp, 0xf4, ERIAR_MASK_1111, w[1] | (w[2] << 16));
2957 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
2959 static const struct phy_reg phy_reg_init[] = {
2960 /* Enable Delay cap */
2969 /* Channel estimation fine tune */
2986 rtl_apply_firmware(tp);
2988 rtl_writephy_batch(tp, phy_reg_init);
2990 /* For 4-corner performance improve */
2991 rtl_writephy(tp, 0x1f, 0x0005);
2992 rtl_writephy(tp, 0x05, 0x8b80);
2993 rtl_w0w1_phy(tp, 0x17, 0x0006, 0x0000);
2994 rtl_writephy(tp, 0x1f, 0x0000);
2996 /* PHY auto speed down */
2997 rtl_writephy(tp, 0x1f, 0x0004);
2998 rtl_writephy(tp, 0x1f, 0x0007);
2999 rtl_writephy(tp, 0x1e, 0x002d);
3000 rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000);
3001 rtl_writephy(tp, 0x1f, 0x0002);
3002 rtl_writephy(tp, 0x1f, 0x0000);
3003 rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3005 /* improve 10M EEE waveform */
3006 rtl_writephy(tp, 0x1f, 0x0005);
3007 rtl_writephy(tp, 0x05, 0x8b86);
3008 rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000);
3009 rtl_writephy(tp, 0x1f, 0x0000);
3011 /* Improve 2-pair detection performance */
3012 rtl_writephy(tp, 0x1f, 0x0005);
3013 rtl_writephy(tp, 0x05, 0x8b85);
3014 rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000);
3015 rtl_writephy(tp, 0x1f, 0x0000);
3017 rtl8168f_config_eee_phy(tp);
3021 rtl_writephy(tp, 0x1f, 0x0003);
3022 rtl_w0w1_phy(tp, 0x19, 0x0001, 0x0000);
3023 rtl_w0w1_phy(tp, 0x10, 0x0400, 0x0000);
3024 rtl_writephy(tp, 0x1f, 0x0000);
3025 rtl_writephy(tp, 0x1f, 0x0005);
3026 rtl_w0w1_phy(tp, 0x01, 0x0100, 0x0000);
3027 rtl_writephy(tp, 0x1f, 0x0000);
3029 /* Broken BIOS workaround: feed GigaMAC registers with MAC address. */
3030 rtl_rar_exgmac_set(tp, tp->dev->dev_addr);
3033 static void rtl8168f_hw_phy_config(struct rtl8169_private *tp)
3035 /* For 4-corner performance improve */
3036 rtl_writephy(tp, 0x1f, 0x0005);
3037 rtl_writephy(tp, 0x05, 0x8b80);
3038 rtl_w0w1_phy(tp, 0x06, 0x0006, 0x0000);
3039 rtl_writephy(tp, 0x1f, 0x0000);
3041 /* PHY auto speed down */
3042 rtl_writephy(tp, 0x1f, 0x0007);
3043 rtl_writephy(tp, 0x1e, 0x002d);
3044 rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000);
3045 rtl_writephy(tp, 0x1f, 0x0000);
3046 rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3048 /* Improve 10M EEE waveform */
3049 rtl_writephy(tp, 0x1f, 0x0005);
3050 rtl_writephy(tp, 0x05, 0x8b86);
3051 rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000);
3052 rtl_writephy(tp, 0x1f, 0x0000);
3054 rtl8168f_config_eee_phy(tp);
3058 static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp)
3060 static const struct phy_reg phy_reg_init[] = {
3061 /* Channel estimation fine tune */
3066 /* Modify green table for giga & fnet */
3083 /* Modify green table for 10M */
3089 /* Disable hiimpedance detection (RTCT) */
3095 rtl_apply_firmware(tp);
3097 rtl_writephy_batch(tp, phy_reg_init);
3099 rtl8168f_hw_phy_config(tp);
3101 /* Improve 2-pair detection performance */
3102 rtl_writephy(tp, 0x1f, 0x0005);
3103 rtl_writephy(tp, 0x05, 0x8b85);
3104 rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000);
3105 rtl_writephy(tp, 0x1f, 0x0000);
3108 static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
3110 rtl_apply_firmware(tp);
3112 rtl8168f_hw_phy_config(tp);
3115 static void rtl8411_hw_phy_config(struct rtl8169_private *tp)
3117 static const struct phy_reg phy_reg_init[] = {
3118 /* Channel estimation fine tune */
3123 /* Modify green table for giga & fnet */
3140 /* Modify green table for 10M */
3146 /* Disable hiimpedance detection (RTCT) */
3153 rtl_apply_firmware(tp);
3155 rtl8168f_hw_phy_config(tp);
3157 /* Improve 2-pair detection performance */
3158 rtl_writephy(tp, 0x1f, 0x0005);
3159 rtl_writephy(tp, 0x05, 0x8b85);
3160 rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000);
3161 rtl_writephy(tp, 0x1f, 0x0000);
3163 rtl_writephy_batch(tp, phy_reg_init);
3165 /* Modify green table for giga */
3166 rtl_writephy(tp, 0x1f, 0x0005);
3167 rtl_writephy(tp, 0x05, 0x8b54);
3168 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800);
3169 rtl_writephy(tp, 0x05, 0x8b5d);
3170 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800);
3171 rtl_writephy(tp, 0x05, 0x8a7c);
3172 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3173 rtl_writephy(tp, 0x05, 0x8a7f);
3174 rtl_w0w1_phy(tp, 0x06, 0x0100, 0x0000);
3175 rtl_writephy(tp, 0x05, 0x8a82);
3176 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3177 rtl_writephy(tp, 0x05, 0x8a85);
3178 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3179 rtl_writephy(tp, 0x05, 0x8a88);
3180 rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3181 rtl_writephy(tp, 0x1f, 0x0000);
3183 /* uc same-seed solution */
3184 rtl_writephy(tp, 0x1f, 0x0005);
3185 rtl_writephy(tp, 0x05, 0x8b85);
3186 rtl_w0w1_phy(tp, 0x06, 0x8000, 0x0000);
3187 rtl_writephy(tp, 0x1f, 0x0000);
3190 rtl_writephy(tp, 0x1f, 0x0003);
3191 rtl_w0w1_phy(tp, 0x19, 0x0000, 0x0001);
3192 rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0400);
3193 rtl_writephy(tp, 0x1f, 0x0000);
3196 static void rtl8168g_disable_aldps(struct rtl8169_private *tp)
3198 phy_modify_paged(tp->phydev, 0x0a43, 0x10, BIT(2), 0);
3201 static void rtl8168g_phy_adjust_10m_aldps(struct rtl8169_private *tp)
3203 struct phy_device *phydev = tp->phydev;
3205 phy_modify_paged(phydev, 0x0bcc, 0x14, BIT(8), 0);
3206 phy_modify_paged(phydev, 0x0a44, 0x11, 0, BIT(7) | BIT(6));
3207 phy_write(phydev, 0x1f, 0x0a43);
3208 phy_write(phydev, 0x13, 0x8084);
3209 phy_clear_bits(phydev, 0x14, BIT(14) | BIT(13));
3210 phy_set_bits(phydev, 0x10, BIT(12) | BIT(1) | BIT(0));
3212 phy_write(phydev, 0x1f, 0x0000);
3215 static void rtl8168g_1_hw_phy_config(struct rtl8169_private *tp)
3219 rtl_apply_firmware(tp);
3221 ret = phy_read_paged(tp->phydev, 0x0a46, 0x10);
3223 phy_modify_paged(tp->phydev, 0x0bcc, 0x12, BIT(15), 0);
3225 phy_modify_paged(tp->phydev, 0x0bcc, 0x12, 0, BIT(15));
3227 ret = phy_read_paged(tp->phydev, 0x0a46, 0x13);
3229 phy_modify_paged(tp->phydev, 0x0c41, 0x15, 0, BIT(1));
3231 phy_modify_paged(tp->phydev, 0x0c41, 0x15, BIT(1), 0);
3233 /* Enable PHY auto speed down */
3234 phy_modify_paged(tp->phydev, 0x0a44, 0x11, 0, BIT(3) | BIT(2));
3236 rtl8168g_phy_adjust_10m_aldps(tp);
3238 /* EEE auto-fallback function */
3239 phy_modify_paged(tp->phydev, 0x0a4b, 0x11, 0, BIT(2));
3241 /* Enable UC LPF tune function */
3242 rtl_writephy(tp, 0x1f, 0x0a43);
3243 rtl_writephy(tp, 0x13, 0x8012);
3244 rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3246 phy_modify_paged(tp->phydev, 0x0c42, 0x11, BIT(13), BIT(14));
3248 /* Improve SWR Efficiency */
3249 rtl_writephy(tp, 0x1f, 0x0bcd);
3250 rtl_writephy(tp, 0x14, 0x5065);
3251 rtl_writephy(tp, 0x14, 0xd065);
3252 rtl_writephy(tp, 0x1f, 0x0bc8);
3253 rtl_writephy(tp, 0x11, 0x5655);
3254 rtl_writephy(tp, 0x1f, 0x0bcd);
3255 rtl_writephy(tp, 0x14, 0x1065);
3256 rtl_writephy(tp, 0x14, 0x9065);
3257 rtl_writephy(tp, 0x14, 0x1065);
3258 rtl_writephy(tp, 0x1f, 0x0000);
3260 rtl8168g_disable_aldps(tp);
3261 rtl8168g_config_eee_phy(tp);
3265 static void rtl8168g_2_hw_phy_config(struct rtl8169_private *tp)
3267 rtl_apply_firmware(tp);
3268 rtl8168g_config_eee_phy(tp);
3272 static void rtl8168h_1_hw_phy_config(struct rtl8169_private *tp)
3277 rtl_apply_firmware(tp);
3279 /* CHN EST parameters adjust - giga master */
3280 rtl_writephy(tp, 0x1f, 0x0a43);
3281 rtl_writephy(tp, 0x13, 0x809b);
3282 rtl_w0w1_phy(tp, 0x14, 0x8000, 0xf800);
3283 rtl_writephy(tp, 0x13, 0x80a2);
3284 rtl_w0w1_phy(tp, 0x14, 0x8000, 0xff00);
3285 rtl_writephy(tp, 0x13, 0x80a4);
3286 rtl_w0w1_phy(tp, 0x14, 0x8500, 0xff00);
3287 rtl_writephy(tp, 0x13, 0x809c);
3288 rtl_w0w1_phy(tp, 0x14, 0xbd00, 0xff00);
3289 rtl_writephy(tp, 0x1f, 0x0000);
3291 /* CHN EST parameters adjust - giga slave */
3292 rtl_writephy(tp, 0x1f, 0x0a43);
3293 rtl_writephy(tp, 0x13, 0x80ad);
3294 rtl_w0w1_phy(tp, 0x14, 0x7000, 0xf800);
3295 rtl_writephy(tp, 0x13, 0x80b4);
3296 rtl_w0w1_phy(tp, 0x14, 0x5000, 0xff00);
3297 rtl_writephy(tp, 0x13, 0x80ac);
3298 rtl_w0w1_phy(tp, 0x14, 0x4000, 0xff00);
3299 rtl_writephy(tp, 0x1f, 0x0000);
3301 /* CHN EST parameters adjust - fnet */
3302 rtl_writephy(tp, 0x1f, 0x0a43);
3303 rtl_writephy(tp, 0x13, 0x808e);
3304 rtl_w0w1_phy(tp, 0x14, 0x1200, 0xff00);
3305 rtl_writephy(tp, 0x13, 0x8090);
3306 rtl_w0w1_phy(tp, 0x14, 0xe500, 0xff00);
3307 rtl_writephy(tp, 0x13, 0x8092);
3308 rtl_w0w1_phy(tp, 0x14, 0x9f00, 0xff00);
3309 rtl_writephy(tp, 0x1f, 0x0000);
3311 /* enable R-tune & PGA-retune function */
3313 rtl_writephy(tp, 0x1f, 0x0a46);
3314 data = rtl_readphy(tp, 0x13);
3317 dout_tapbin |= data;
3318 data = rtl_readphy(tp, 0x12);
3321 dout_tapbin |= data;
3322 dout_tapbin = ~(dout_tapbin^0x08);
3324 dout_tapbin &= 0xf000;
3325 rtl_writephy(tp, 0x1f, 0x0a43);
3326 rtl_writephy(tp, 0x13, 0x827a);
3327 rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3328 rtl_writephy(tp, 0x13, 0x827b);
3329 rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3330 rtl_writephy(tp, 0x13, 0x827c);
3331 rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3332 rtl_writephy(tp, 0x13, 0x827d);
3333 rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3335 rtl_writephy(tp, 0x1f, 0x0a43);
3336 rtl_writephy(tp, 0x13, 0x0811);
3337 rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000);
3338 rtl_writephy(tp, 0x1f, 0x0a42);
3339 rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000);
3340 rtl_writephy(tp, 0x1f, 0x0000);
3342 /* enable GPHY 10M */
3343 phy_modify_paged(tp->phydev, 0x0a44, 0x11, 0, BIT(11));
3345 /* SAR ADC performance */
3346 phy_modify_paged(tp->phydev, 0x0bca, 0x17, BIT(12) | BIT(13), BIT(14));
3348 rtl_writephy(tp, 0x1f, 0x0a43);
3349 rtl_writephy(tp, 0x13, 0x803f);
3350 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3351 rtl_writephy(tp, 0x13, 0x8047);
3352 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3353 rtl_writephy(tp, 0x13, 0x804f);
3354 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3355 rtl_writephy(tp, 0x13, 0x8057);
3356 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3357 rtl_writephy(tp, 0x13, 0x805f);
3358 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3359 rtl_writephy(tp, 0x13, 0x8067);
3360 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3361 rtl_writephy(tp, 0x13, 0x806f);
3362 rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3363 rtl_writephy(tp, 0x1f, 0x0000);
3365 /* disable phy pfm mode */
3366 phy_modify_paged(tp->phydev, 0x0a44, 0x11, BIT(7), 0);
3368 rtl8168g_disable_aldps(tp);
3369 rtl8168h_config_eee_phy(tp);
3373 static void rtl8168h_2_hw_phy_config(struct rtl8169_private *tp)
3375 u16 ioffset_p3, ioffset_p2, ioffset_p1, ioffset_p0;
3379 rtl_apply_firmware(tp);
3381 /* CHIN EST parameter update */
3382 rtl_writephy(tp, 0x1f, 0x0a43);
3383 rtl_writephy(tp, 0x13, 0x808a);
3384 rtl_w0w1_phy(tp, 0x14, 0x000a, 0x003f);
3385 rtl_writephy(tp, 0x1f, 0x0000);
3387 /* enable R-tune & PGA-retune function */
3388 rtl_writephy(tp, 0x1f, 0x0a43);
3389 rtl_writephy(tp, 0x13, 0x0811);
3390 rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000);
3391 rtl_writephy(tp, 0x1f, 0x0a42);
3392 rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000);
3393 rtl_writephy(tp, 0x1f, 0x0000);
3395 /* enable GPHY 10M */
3396 phy_modify_paged(tp->phydev, 0x0a44, 0x11, 0, BIT(11));
3398 r8168_mac_ocp_write(tp, 0xdd02, 0x807d);
3399 data = r8168_mac_ocp_read(tp, 0xdd02);
3400 ioffset_p3 = ((data & 0x80)>>7);
3403 data = r8168_mac_ocp_read(tp, 0xdd00);
3404 ioffset_p3 |= ((data & (0xe000))>>13);
3405 ioffset_p2 = ((data & (0x1e00))>>9);
3406 ioffset_p1 = ((data & (0x01e0))>>5);
3407 ioffset_p0 = ((data & 0x0010)>>4);
3409 ioffset_p0 |= (data & (0x07));
3410 data = (ioffset_p3<<12)|(ioffset_p2<<8)|(ioffset_p1<<4)|(ioffset_p0);
3412 if ((ioffset_p3 != 0x0f) || (ioffset_p2 != 0x0f) ||
3413 (ioffset_p1 != 0x0f) || (ioffset_p0 != 0x0f)) {
3414 rtl_writephy(tp, 0x1f, 0x0bcf);
3415 rtl_writephy(tp, 0x16, data);
3416 rtl_writephy(tp, 0x1f, 0x0000);
3419 /* Modify rlen (TX LPF corner frequency) level */
3420 rtl_writephy(tp, 0x1f, 0x0bcd);
3421 data = rtl_readphy(tp, 0x16);
3426 data = rlen | (rlen<<4) | (rlen<<8) | (rlen<<12);
3427 rtl_writephy(tp, 0x17, data);
3428 rtl_writephy(tp, 0x1f, 0x0bcd);
3429 rtl_writephy(tp, 0x1f, 0x0000);
3431 /* disable phy pfm mode */
3432 phy_modify_paged(tp->phydev, 0x0a44, 0x11, BIT(7), 0);
3434 rtl8168g_disable_aldps(tp);
3435 rtl8168g_config_eee_phy(tp);
3439 static void rtl8168ep_1_hw_phy_config(struct rtl8169_private *tp)
3441 /* Enable PHY auto speed down */
3442 phy_modify_paged(tp->phydev, 0x0a44, 0x11, 0, BIT(3) | BIT(2));
3444 rtl8168g_phy_adjust_10m_aldps(tp);
3446 /* Enable EEE auto-fallback function */
3447 phy_modify_paged(tp->phydev, 0x0a4b, 0x11, 0, BIT(2));
3449 /* Enable UC LPF tune function */
3450 rtl_writephy(tp, 0x1f, 0x0a43);
3451 rtl_writephy(tp, 0x13, 0x8012);
3452 rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3453 rtl_writephy(tp, 0x1f, 0x0000);
3455 /* set rg_sel_sdm_rate */
3456 phy_modify_paged(tp->phydev, 0x0c42, 0x11, BIT(13), BIT(14));
3458 rtl8168g_disable_aldps(tp);
3459 rtl8168g_config_eee_phy(tp);
3463 static void rtl8168ep_2_hw_phy_config(struct rtl8169_private *tp)
3465 rtl8168g_phy_adjust_10m_aldps(tp);
3467 /* Enable UC LPF tune function */
3468 rtl_writephy(tp, 0x1f, 0x0a43);
3469 rtl_writephy(tp, 0x13, 0x8012);
3470 rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3471 rtl_writephy(tp, 0x1f, 0x0000);
3473 /* Set rg_sel_sdm_rate */
3474 phy_modify_paged(tp->phydev, 0x0c42, 0x11, BIT(13), BIT(14));
3476 /* Channel estimation parameters */
3477 rtl_writephy(tp, 0x1f, 0x0a43);
3478 rtl_writephy(tp, 0x13, 0x80f3);
3479 rtl_w0w1_phy(tp, 0x14, 0x8b00, ~0x8bff);
3480 rtl_writephy(tp, 0x13, 0x80f0);
3481 rtl_w0w1_phy(tp, 0x14, 0x3a00, ~0x3aff);
3482 rtl_writephy(tp, 0x13, 0x80ef);
3483 rtl_w0w1_phy(tp, 0x14, 0x0500, ~0x05ff);
3484 rtl_writephy(tp, 0x13, 0x80f6);
3485 rtl_w0w1_phy(tp, 0x14, 0x6e00, ~0x6eff);
3486 rtl_writephy(tp, 0x13, 0x80ec);
3487 rtl_w0w1_phy(tp, 0x14, 0x6800, ~0x68ff);
3488 rtl_writephy(tp, 0x13, 0x80ed);
3489 rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff);
3490 rtl_writephy(tp, 0x13, 0x80f2);
3491 rtl_w0w1_phy(tp, 0x14, 0xf400, ~0xf4ff);
3492 rtl_writephy(tp, 0x13, 0x80f4);
3493 rtl_w0w1_phy(tp, 0x14, 0x8500, ~0x85ff);
3494 rtl_writephy(tp, 0x1f, 0x0a43);
3495 rtl_writephy(tp, 0x13, 0x8110);
3496 rtl_w0w1_phy(tp, 0x14, 0xa800, ~0xa8ff);
3497 rtl_writephy(tp, 0x13, 0x810f);
3498 rtl_w0w1_phy(tp, 0x14, 0x1d00, ~0x1dff);
3499 rtl_writephy(tp, 0x13, 0x8111);
3500 rtl_w0w1_phy(tp, 0x14, 0xf500, ~0xf5ff);
3501 rtl_writephy(tp, 0x13, 0x8113);
3502 rtl_w0w1_phy(tp, 0x14, 0x6100, ~0x61ff);
3503 rtl_writephy(tp, 0x13, 0x8115);
3504 rtl_w0w1_phy(tp, 0x14, 0x9200, ~0x92ff);
3505 rtl_writephy(tp, 0x13, 0x810e);
3506 rtl_w0w1_phy(tp, 0x14, 0x0400, ~0x04ff);
3507 rtl_writephy(tp, 0x13, 0x810c);
3508 rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff);
3509 rtl_writephy(tp, 0x13, 0x810b);
3510 rtl_w0w1_phy(tp, 0x14, 0x5a00, ~0x5aff);
3511 rtl_writephy(tp, 0x1f, 0x0a43);
3512 rtl_writephy(tp, 0x13, 0x80d1);
3513 rtl_w0w1_phy(tp, 0x14, 0xff00, ~0xffff);
3514 rtl_writephy(tp, 0x13, 0x80cd);
3515 rtl_w0w1_phy(tp, 0x14, 0x9e00, ~0x9eff);
3516 rtl_writephy(tp, 0x13, 0x80d3);
3517 rtl_w0w1_phy(tp, 0x14, 0x0e00, ~0x0eff);
3518 rtl_writephy(tp, 0x13, 0x80d5);
3519 rtl_w0w1_phy(tp, 0x14, 0xca00, ~0xcaff);
3520 rtl_writephy(tp, 0x13, 0x80d7);
3521 rtl_w0w1_phy(tp, 0x14, 0x8400, ~0x84ff);
3523 /* Force PWM-mode */
3524 rtl_writephy(tp, 0x1f, 0x0bcd);
3525 rtl_writephy(tp, 0x14, 0x5065);
3526 rtl_writephy(tp, 0x14, 0xd065);
3527 rtl_writephy(tp, 0x1f, 0x0bc8);
3528 rtl_writephy(tp, 0x12, 0x00ed);
3529 rtl_writephy(tp, 0x1f, 0x0bcd);
3530 rtl_writephy(tp, 0x14, 0x1065);
3531 rtl_writephy(tp, 0x14, 0x9065);
3532 rtl_writephy(tp, 0x14, 0x1065);
3533 rtl_writephy(tp, 0x1f, 0x0000);
3535 rtl8168g_disable_aldps(tp);
3536 rtl8168g_config_eee_phy(tp);
3540 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
3542 static const struct phy_reg phy_reg_init[] = {
3549 rtl_writephy(tp, 0x1f, 0x0000);
3550 rtl_patchphy(tp, 0x11, 1 << 12);
3551 rtl_patchphy(tp, 0x19, 1 << 13);
3552 rtl_patchphy(tp, 0x10, 1 << 15);
3554 rtl_writephy_batch(tp, phy_reg_init);
3557 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
3559 static const struct phy_reg phy_reg_init[] = {
3573 /* Disable ALDPS before ram code */
3574 rtl_writephy(tp, 0x1f, 0x0000);
3575 rtl_writephy(tp, 0x18, 0x0310);
3578 rtl_apply_firmware(tp);
3580 rtl_writephy_batch(tp, phy_reg_init);
3583 static void rtl8402_hw_phy_config(struct rtl8169_private *tp)
3585 /* Disable ALDPS before setting firmware */
3586 rtl_writephy(tp, 0x1f, 0x0000);
3587 rtl_writephy(tp, 0x18, 0x0310);
3590 rtl_apply_firmware(tp);
3593 rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000);
3594 rtl_writephy(tp, 0x1f, 0x0004);
3595 rtl_writephy(tp, 0x10, 0x401f);
3596 rtl_writephy(tp, 0x19, 0x7030);
3597 rtl_writephy(tp, 0x1f, 0x0000);
3600 static void rtl8106e_hw_phy_config(struct rtl8169_private *tp)
3602 static const struct phy_reg phy_reg_init[] = {
3609 /* Disable ALDPS before ram code */
3610 rtl_writephy(tp, 0x1f, 0x0000);
3611 rtl_writephy(tp, 0x18, 0x0310);
3614 rtl_apply_firmware(tp);
3616 rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000);
3617 rtl_writephy_batch(tp, phy_reg_init);
3619 rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000);
3622 static void rtl_hw_phy_config(struct net_device *dev)
3624 static const rtl_generic_fct phy_configs[] = {
3626 [RTL_GIGA_MAC_VER_02] = rtl8169s_hw_phy_config,
3627 [RTL_GIGA_MAC_VER_03] = rtl8169s_hw_phy_config,
3628 [RTL_GIGA_MAC_VER_04] = rtl8169sb_hw_phy_config,
3629 [RTL_GIGA_MAC_VER_05] = rtl8169scd_hw_phy_config,
3630 [RTL_GIGA_MAC_VER_06] = rtl8169sce_hw_phy_config,
3631 /* PCI-E devices. */
3632 [RTL_GIGA_MAC_VER_07] = rtl8102e_hw_phy_config,
3633 [RTL_GIGA_MAC_VER_08] = rtl8102e_hw_phy_config,
3634 [RTL_GIGA_MAC_VER_09] = rtl8102e_hw_phy_config,
3635 [RTL_GIGA_MAC_VER_10] = NULL,
3636 [RTL_GIGA_MAC_VER_11] = rtl8168bb_hw_phy_config,
3637 [RTL_GIGA_MAC_VER_12] = rtl8168bef_hw_phy_config,
3638 [RTL_GIGA_MAC_VER_13] = NULL,
3639 [RTL_GIGA_MAC_VER_14] = NULL,
3640 [RTL_GIGA_MAC_VER_15] = NULL,
3641 [RTL_GIGA_MAC_VER_16] = NULL,
3642 [RTL_GIGA_MAC_VER_17] = rtl8168bef_hw_phy_config,
3643 [RTL_GIGA_MAC_VER_18] = rtl8168cp_1_hw_phy_config,
3644 [RTL_GIGA_MAC_VER_19] = rtl8168c_1_hw_phy_config,
3645 [RTL_GIGA_MAC_VER_20] = rtl8168c_2_hw_phy_config,
3646 [RTL_GIGA_MAC_VER_21] = rtl8168c_3_hw_phy_config,
3647 [RTL_GIGA_MAC_VER_22] = rtl8168c_4_hw_phy_config,
3648 [RTL_GIGA_MAC_VER_23] = rtl8168cp_2_hw_phy_config,
3649 [RTL_GIGA_MAC_VER_24] = rtl8168cp_2_hw_phy_config,
3650 [RTL_GIGA_MAC_VER_25] = rtl8168d_1_hw_phy_config,
3651 [RTL_GIGA_MAC_VER_26] = rtl8168d_2_hw_phy_config,
3652 [RTL_GIGA_MAC_VER_27] = rtl8168d_3_hw_phy_config,
3653 [RTL_GIGA_MAC_VER_28] = rtl8168d_4_hw_phy_config,
3654 [RTL_GIGA_MAC_VER_29] = rtl8105e_hw_phy_config,
3655 [RTL_GIGA_MAC_VER_30] = rtl8105e_hw_phy_config,
3656 [RTL_GIGA_MAC_VER_31] = NULL,
3657 [RTL_GIGA_MAC_VER_32] = rtl8168e_1_hw_phy_config,
3658 [RTL_GIGA_MAC_VER_33] = rtl8168e_1_hw_phy_config,
3659 [RTL_GIGA_MAC_VER_34] = rtl8168e_2_hw_phy_config,
3660 [RTL_GIGA_MAC_VER_35] = rtl8168f_1_hw_phy_config,
3661 [RTL_GIGA_MAC_VER_36] = rtl8168f_2_hw_phy_config,
3662 [RTL_GIGA_MAC_VER_37] = rtl8402_hw_phy_config,
3663 [RTL_GIGA_MAC_VER_38] = rtl8411_hw_phy_config,
3664 [RTL_GIGA_MAC_VER_39] = rtl8106e_hw_phy_config,
3665 [RTL_GIGA_MAC_VER_40] = rtl8168g_1_hw_phy_config,
3666 [RTL_GIGA_MAC_VER_41] = NULL,
3667 [RTL_GIGA_MAC_VER_42] = rtl8168g_2_hw_phy_config,
3668 [RTL_GIGA_MAC_VER_43] = rtl8168g_2_hw_phy_config,
3669 [RTL_GIGA_MAC_VER_44] = rtl8168g_2_hw_phy_config,
3670 [RTL_GIGA_MAC_VER_45] = rtl8168h_1_hw_phy_config,
3671 [RTL_GIGA_MAC_VER_46] = rtl8168h_2_hw_phy_config,
3672 [RTL_GIGA_MAC_VER_47] = rtl8168h_1_hw_phy_config,
3673 [RTL_GIGA_MAC_VER_48] = rtl8168h_2_hw_phy_config,
3674 [RTL_GIGA_MAC_VER_49] = rtl8168ep_1_hw_phy_config,
3675 [RTL_GIGA_MAC_VER_50] = rtl8168ep_2_hw_phy_config,
3676 [RTL_GIGA_MAC_VER_51] = rtl8168ep_2_hw_phy_config,
3677 [RTL_GIGA_MAC_VER_60] = NULL,
3678 [RTL_GIGA_MAC_VER_61] = NULL,
3680 struct rtl8169_private *tp = netdev_priv(dev);
3682 if (phy_configs[tp->mac_version])
3683 phy_configs[tp->mac_version](tp);
3686 static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag)
3688 if (!test_and_set_bit(flag, tp->wk.flags))
3689 schedule_work(&tp->wk.work);
3692 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3694 rtl_hw_phy_config(dev);
3696 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3697 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3698 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3699 netif_dbg(tp, drv, dev,
3700 "Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3701 RTL_W8(tp, 0x82, 0x01);
3704 /* We may have called phy_speed_down before */
3705 phy_speed_up(tp->phydev);
3707 genphy_soft_reset(tp->phydev);
3710 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3714 rtl_unlock_config_regs(tp);
3716 RTL_W32(tp, MAC4, addr[4] | addr[5] << 8);
3719 RTL_W32(tp, MAC0, addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
3722 if (tp->mac_version == RTL_GIGA_MAC_VER_34)
3723 rtl_rar_exgmac_set(tp, addr);
3725 rtl_lock_config_regs(tp);
3727 rtl_unlock_work(tp);
3730 static int rtl_set_mac_address(struct net_device *dev, void *p)
3732 struct rtl8169_private *tp = netdev_priv(dev);
3733 struct device *d = tp_to_dev(tp);
3736 ret = eth_mac_addr(dev, p);
3740 pm_runtime_get_noresume(d);
3742 if (pm_runtime_active(d))
3743 rtl_rar_set(tp, dev->dev_addr);
3745 pm_runtime_put_noidle(d);
3750 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3752 struct rtl8169_private *tp = netdev_priv(dev);
3754 if (!netif_running(dev))
3757 return phy_mii_ioctl(tp->phydev, ifr, cmd);
3760 static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
3762 switch (tp->mac_version) {
3763 case RTL_GIGA_MAC_VER_25:
3764 case RTL_GIGA_MAC_VER_26:
3765 case RTL_GIGA_MAC_VER_29:
3766 case RTL_GIGA_MAC_VER_30:
3767 case RTL_GIGA_MAC_VER_32:
3768 case RTL_GIGA_MAC_VER_33:
3769 case RTL_GIGA_MAC_VER_34:
3770 case RTL_GIGA_MAC_VER_37 ... RTL_GIGA_MAC_VER_51:
3771 RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) |
3772 AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
3779 static void rtl_pll_power_down(struct rtl8169_private *tp)
3781 if (r8168_check_dash(tp))
3784 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3785 tp->mac_version == RTL_GIGA_MAC_VER_33)
3786 rtl_ephy_write(tp, 0x19, 0xff64);
3788 if (device_may_wakeup(tp_to_dev(tp))) {
3789 phy_speed_down(tp->phydev, false);
3790 rtl_wol_suspend_quirk(tp);
3794 switch (tp->mac_version) {
3795 case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33:
3796 case RTL_GIGA_MAC_VER_37:
3797 case RTL_GIGA_MAC_VER_39:
3798 case RTL_GIGA_MAC_VER_43:
3799 case RTL_GIGA_MAC_VER_44:
3800 case RTL_GIGA_MAC_VER_45:
3801 case RTL_GIGA_MAC_VER_46:
3802 case RTL_GIGA_MAC_VER_47:
3803 case RTL_GIGA_MAC_VER_48:
3804 case RTL_GIGA_MAC_VER_50:
3805 case RTL_GIGA_MAC_VER_51:
3806 case RTL_GIGA_MAC_VER_60:
3807 case RTL_GIGA_MAC_VER_61:
3808 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80);
3810 case RTL_GIGA_MAC_VER_40:
3811 case RTL_GIGA_MAC_VER_41:
3812 case RTL_GIGA_MAC_VER_49:
3813 rtl_eri_clear_bits(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000);
3814 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80);
3821 static void rtl_pll_power_up(struct rtl8169_private *tp)
3823 switch (tp->mac_version) {
3824 case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33:
3825 case RTL_GIGA_MAC_VER_37:
3826 case RTL_GIGA_MAC_VER_39:
3827 case RTL_GIGA_MAC_VER_43:
3828 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0x80);
3830 case RTL_GIGA_MAC_VER_44:
3831 case RTL_GIGA_MAC_VER_45:
3832 case RTL_GIGA_MAC_VER_46:
3833 case RTL_GIGA_MAC_VER_47:
3834 case RTL_GIGA_MAC_VER_48:
3835 case RTL_GIGA_MAC_VER_50:
3836 case RTL_GIGA_MAC_VER_51:
3837 case RTL_GIGA_MAC_VER_60:
3838 case RTL_GIGA_MAC_VER_61:
3839 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0);
3841 case RTL_GIGA_MAC_VER_40:
3842 case RTL_GIGA_MAC_VER_41:
3843 case RTL_GIGA_MAC_VER_49:
3844 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0);
3845 rtl_eri_set_bits(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000);
3851 phy_resume(tp->phydev);
3852 /* give MAC/PHY some time to resume */
3856 static void rtl_init_rxcfg(struct rtl8169_private *tp)
3858 switch (tp->mac_version) {
3859 case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06:
3860 case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17:
3861 RTL_W32(tp, RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
3863 case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24:
3864 case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_36:
3865 case RTL_GIGA_MAC_VER_38:
3866 RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
3868 case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
3869 RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF);
3871 case RTL_GIGA_MAC_VER_60 ... RTL_GIGA_MAC_VER_61:
3872 RTL_W32(tp, RxConfig, RX_FETCH_DFLT_8125 | RX_VLAN_8125 |
3876 RTL_W32(tp, RxConfig, RX128_INT_EN | RX_DMA_BURST);
3881 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
3883 tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0;
3886 static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)
3888 RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0);
3889 RTL_W8(tp, Config4, RTL_R8(tp, Config4) | Jumbo_En1);
3890 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_512B);
3893 static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp)
3895 RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0);
3896 RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~Jumbo_En1);
3897 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
3900 static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp)
3902 RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0);
3905 static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp)
3907 RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0);
3910 static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp)
3912 RTL_W8(tp, MaxTxPacketSize, 0x3f);
3913 RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0);
3914 RTL_W8(tp, Config4, RTL_R8(tp, Config4) | 0x01);
3915 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_512B);
3918 static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp)
3920 RTL_W8(tp, MaxTxPacketSize, 0x0c);
3921 RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0);
3922 RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~0x01);
3923 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
3926 static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp)
3928 rtl_tx_performance_tweak(tp,
3929 PCI_EXP_DEVCTL_READRQ_512B | PCI_EXP_DEVCTL_NOSNOOP_EN);
3932 static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp)
3934 rtl_tx_performance_tweak(tp,
3935 PCI_EXP_DEVCTL_READRQ_4096B | PCI_EXP_DEVCTL_NOSNOOP_EN);
3938 static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp)
3940 r8168b_0_hw_jumbo_enable(tp);
3942 RTL_W8(tp, Config4, RTL_R8(tp, Config4) | (1 << 0));
3945 static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp)
3947 r8168b_0_hw_jumbo_disable(tp);
3949 RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0));
3952 static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
3954 rtl_unlock_config_regs(tp);
3955 switch (tp->mac_version) {
3956 case RTL_GIGA_MAC_VER_11:
3957 r8168b_0_hw_jumbo_enable(tp);
3959 case RTL_GIGA_MAC_VER_12:
3960 case RTL_GIGA_MAC_VER_17:
3961 r8168b_1_hw_jumbo_enable(tp);
3963 case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_26:
3964 r8168c_hw_jumbo_enable(tp);
3966 case RTL_GIGA_MAC_VER_27 ... RTL_GIGA_MAC_VER_28:
3967 r8168dp_hw_jumbo_enable(tp);
3969 case RTL_GIGA_MAC_VER_31 ... RTL_GIGA_MAC_VER_34:
3970 r8168e_hw_jumbo_enable(tp);
3975 rtl_lock_config_regs(tp);
3978 static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
3980 rtl_unlock_config_regs(tp);
3981 switch (tp->mac_version) {
3982 case RTL_GIGA_MAC_VER_11:
3983 r8168b_0_hw_jumbo_disable(tp);
3985 case RTL_GIGA_MAC_VER_12:
3986 case RTL_GIGA_MAC_VER_17:
3987 r8168b_1_hw_jumbo_disable(tp);
3989 case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_26:
3990 r8168c_hw_jumbo_disable(tp);
3992 case RTL_GIGA_MAC_VER_27 ... RTL_GIGA_MAC_VER_28:
3993 r8168dp_hw_jumbo_disable(tp);
3995 case RTL_GIGA_MAC_VER_31 ... RTL_GIGA_MAC_VER_34:
3996 r8168e_hw_jumbo_disable(tp);
4001 rtl_lock_config_regs(tp);
4004 DECLARE_RTL_COND(rtl_chipcmd_cond)
4006 return RTL_R8(tp, ChipCmd) & CmdReset;
4009 static void rtl_hw_reset(struct rtl8169_private *tp)
4011 RTL_W8(tp, ChipCmd, CmdReset);
4013 rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100);
4016 static void rtl_request_firmware(struct rtl8169_private *tp)
4018 struct rtl_fw *rtl_fw;
4020 /* firmware loaded already or no firmware available */
4021 if (tp->rtl_fw || !tp->fw_name)
4024 rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
4026 netif_warn(tp, ifup, tp->dev, "Unable to load firmware, out of memory\n");
4030 rtl_fw->phy_write = rtl_writephy;
4031 rtl_fw->phy_read = rtl_readphy;
4032 rtl_fw->mac_mcu_write = mac_mcu_write;
4033 rtl_fw->mac_mcu_read = mac_mcu_read;
4034 rtl_fw->fw_name = tp->fw_name;
4035 rtl_fw->dev = tp_to_dev(tp);
4037 if (rtl_fw_request_firmware(rtl_fw))
4040 tp->rtl_fw = rtl_fw;
4043 static void rtl_rx_close(struct rtl8169_private *tp)
4045 RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
4048 DECLARE_RTL_COND(rtl_npq_cond)
4050 return RTL_R8(tp, TxPoll) & NPQ;
4053 DECLARE_RTL_COND(rtl_txcfg_empty_cond)
4055 return RTL_R32(tp, TxConfig) & TXCFG_EMPTY;
4058 static void rtl8169_hw_reset(struct rtl8169_private *tp)
4060 /* Disable interrupts */
4061 rtl8169_irq_mask_and_ack(tp);
4065 switch (tp->mac_version) {
4066 case RTL_GIGA_MAC_VER_27:
4067 case RTL_GIGA_MAC_VER_28:
4068 case RTL_GIGA_MAC_VER_31:
4069 rtl_udelay_loop_wait_low(tp, &rtl_npq_cond, 20, 42*42);
4071 case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38:
4072 case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
4073 RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
4074 rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666);
4077 RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
4085 static void rtl_set_tx_config_registers(struct rtl8169_private *tp)
4087 u32 val = TX_DMA_BURST << TxDMAShift |
4088 InterFrameGap << TxInterFrameGapShift;
4090 if (rtl_is_8168evl_up(tp))
4091 val |= TXCFG_AUTO_FIFO;
4093 RTL_W32(tp, TxConfig, val);
4096 static void rtl_set_rx_max_size(struct rtl8169_private *tp)
4098 /* Low hurts. Let's disable the filtering. */
4099 RTL_W16(tp, RxMaxSize, R8169_RX_BUF_SIZE + 1);
4102 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp)
4105 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
4106 * register to be written before TxDescAddrLow to work.
4107 * Switching from MMIO to I/O access fixes the issue as well.
4109 RTL_W32(tp, TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4110 RTL_W32(tp, TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4111 RTL_W32(tp, RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4112 RTL_W32(tp, RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4115 static void rtl8169_set_magic_reg(struct rtl8169_private *tp, unsigned mac_version)
4119 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
4121 else if (tp->mac_version == RTL_GIGA_MAC_VER_06)
4126 if (RTL_R8(tp, Config2) & PCI_Clock_66MHz)
4129 RTL_W32(tp, 0x7c, val);
4132 static void rtl_set_rx_mode(struct net_device *dev)
4134 u32 rx_mode = AcceptBroadcast | AcceptMyPhys | AcceptMulticast;
4135 /* Multicast hash filter */
4136 u32 mc_filter[2] = { 0xffffffff, 0xffffffff };
4137 struct rtl8169_private *tp = netdev_priv(dev);
4140 if (dev->flags & IFF_PROMISC) {
4141 /* Unconditionally log net taps. */
4142 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
4143 rx_mode |= AcceptAllPhys;
4144 } else if (netdev_mc_count(dev) > MC_FILTER_LIMIT ||
4145 dev->flags & IFF_ALLMULTI ||
4146 tp->mac_version == RTL_GIGA_MAC_VER_35) {
4147 /* accept all multicasts */
4148 } else if (netdev_mc_empty(dev)) {
4149 rx_mode &= ~AcceptMulticast;
4151 struct netdev_hw_addr *ha;
4153 mc_filter[1] = mc_filter[0] = 0;
4154 netdev_for_each_mc_addr(ha, dev) {
4155 u32 bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
4156 mc_filter[bit_nr >> 5] |= BIT(bit_nr & 31);
4159 if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
4161 mc_filter[0] = swab32(mc_filter[1]);
4162 mc_filter[1] = swab32(tmp);
4166 if (dev->features & NETIF_F_RXALL)
4167 rx_mode |= (AcceptErr | AcceptRunt);
4169 RTL_W32(tp, MAR0 + 4, mc_filter[1]);
4170 RTL_W32(tp, MAR0 + 0, mc_filter[0]);
4172 tmp = RTL_R32(tp, RxConfig);
4173 RTL_W32(tp, RxConfig, (tmp & ~RX_CONFIG_ACCEPT_MASK) | rx_mode);
4176 DECLARE_RTL_COND(rtl_csiar_cond)
4178 return RTL_R32(tp, CSIAR) & CSIAR_FLAG;
4181 static void rtl_csi_write(struct rtl8169_private *tp, int addr, int value)
4183 u32 func = PCI_FUNC(tp->pci_dev->devfn);
4185 RTL_W32(tp, CSIDR, value);
4186 RTL_W32(tp, CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
4187 CSIAR_BYTE_ENABLE | func << 16);
4189 rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
4192 static u32 rtl_csi_read(struct rtl8169_private *tp, int addr)
4194 u32 func = PCI_FUNC(tp->pci_dev->devfn);
4196 RTL_W32(tp, CSIAR, (addr & CSIAR_ADDR_MASK) | func << 16 |
4199 return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
4200 RTL_R32(tp, CSIDR) : ~0;
4203 static void rtl_csi_access_enable(struct rtl8169_private *tp, u8 val)
4205 struct pci_dev *pdev = tp->pci_dev;
4208 /* According to Realtek the value at config space address 0x070f
4209 * controls the L0s/L1 entrance latency. We try standard ECAM access
4210 * first and if it fails fall back to CSI.
4212 if (pdev->cfg_size > 0x070f &&
4213 pci_write_config_byte(pdev, 0x070f, val) == PCIBIOS_SUCCESSFUL)
4216 netdev_notice_once(tp->dev,
4217 "No native access to PCI extended config space, falling back to CSI\n");
4218 csi = rtl_csi_read(tp, 0x070c) & 0x00ffffff;
4219 rtl_csi_write(tp, 0x070c, csi | val << 24);
4222 static void rtl_set_def_aspm_entry_latency(struct rtl8169_private *tp)
4224 rtl_csi_access_enable(tp, 0x27);
4228 unsigned int offset;
4233 static void __rtl_ephy_init(struct rtl8169_private *tp,
4234 const struct ephy_info *e, int len)
4239 w = (rtl_ephy_read(tp, e->offset) & ~e->mask) | e->bits;
4240 rtl_ephy_write(tp, e->offset, w);
4245 #define rtl_ephy_init(tp, a) __rtl_ephy_init(tp, a, ARRAY_SIZE(a))
4247 static void rtl_disable_clock_request(struct rtl8169_private *tp)
4249 pcie_capability_clear_word(tp->pci_dev, PCI_EXP_LNKCTL,
4250 PCI_EXP_LNKCTL_CLKREQ_EN);
4253 static void rtl_enable_clock_request(struct rtl8169_private *tp)
4255 pcie_capability_set_word(tp->pci_dev, PCI_EXP_LNKCTL,
4256 PCI_EXP_LNKCTL_CLKREQ_EN);
4259 static void rtl_pcie_state_l2l3_disable(struct rtl8169_private *tp)
4261 /* work around an issue when PCI reset occurs during L2/L3 state */
4262 RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Rdy_to_L23);
4265 static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable)
4267 /* Don't enable ASPM in the chip if OS can't control ASPM */
4268 if (enable && tp->aspm_manageable) {
4269 RTL_W8(tp, Config5, RTL_R8(tp, Config5) | ASPM_en);
4270 RTL_W8(tp, Config2, RTL_R8(tp, Config2) | ClkReqEn);
4272 RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn);
4273 RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en);
4279 static void rtl_set_fifo_size(struct rtl8169_private *tp, u16 rx_stat,
4280 u16 tx_stat, u16 rx_dyn, u16 tx_dyn)
4282 /* Usage of dynamic vs. static FIFO is controlled by bit
4283 * TXCFG_AUTO_FIFO. Exact meaning of FIFO values isn't known.
4285 rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, (rx_stat << 16) | rx_dyn);
4286 rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, (tx_stat << 16) | tx_dyn);
4289 static void rtl8168g_set_pause_thresholds(struct rtl8169_private *tp,
4292 /* FIFO thresholds for pause flow control */
4293 rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, low);
4294 rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, high);
4297 static void rtl_hw_start_8168bb(struct rtl8169_private *tp)
4299 RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4301 if (tp->dev->mtu <= ETH_DATA_LEN) {
4302 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B |
4303 PCI_EXP_DEVCTL_NOSNOOP_EN);
4307 static void rtl_hw_start_8168bef(struct rtl8169_private *tp)
4309 rtl_hw_start_8168bb(tp);
4311 RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0));
4314 static void __rtl_hw_start_8168cp(struct rtl8169_private *tp)
4316 RTL_W8(tp, Config1, RTL_R8(tp, Config1) | Speed_down);
4318 RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4320 if (tp->dev->mtu <= ETH_DATA_LEN)
4321 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4323 rtl_disable_clock_request(tp);
4326 static void rtl_hw_start_8168cp_1(struct rtl8169_private *tp)
4328 static const struct ephy_info e_info_8168cp[] = {
4329 { 0x01, 0, 0x0001 },
4330 { 0x02, 0x0800, 0x1000 },
4331 { 0x03, 0, 0x0042 },
4332 { 0x06, 0x0080, 0x0000 },
4336 rtl_set_def_aspm_entry_latency(tp);
4338 rtl_ephy_init(tp, e_info_8168cp);
4340 __rtl_hw_start_8168cp(tp);
4343 static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp)
4345 rtl_set_def_aspm_entry_latency(tp);
4347 RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4349 if (tp->dev->mtu <= ETH_DATA_LEN)
4350 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4353 static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp)
4355 rtl_set_def_aspm_entry_latency(tp);
4357 RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4360 RTL_W8(tp, DBG_REG, 0x20);
4362 if (tp->dev->mtu <= ETH_DATA_LEN)
4363 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4366 static void rtl_hw_start_8168c_1(struct rtl8169_private *tp)
4368 static const struct ephy_info e_info_8168c_1[] = {
4369 { 0x02, 0x0800, 0x1000 },
4370 { 0x03, 0, 0x0002 },
4371 { 0x06, 0x0080, 0x0000 }
4374 rtl_set_def_aspm_entry_latency(tp);
4376 RTL_W8(tp, DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
4378 rtl_ephy_init(tp, e_info_8168c_1);
4380 __rtl_hw_start_8168cp(tp);
4383 static void rtl_hw_start_8168c_2(struct rtl8169_private *tp)
4385 static const struct ephy_info e_info_8168c_2[] = {
4386 { 0x01, 0, 0x0001 },
4387 { 0x03, 0x0400, 0x0020 }
4390 rtl_set_def_aspm_entry_latency(tp);
4392 rtl_ephy_init(tp, e_info_8168c_2);
4394 __rtl_hw_start_8168cp(tp);
4397 static void rtl_hw_start_8168c_3(struct rtl8169_private *tp)
4399 rtl_hw_start_8168c_2(tp);
4402 static void rtl_hw_start_8168c_4(struct rtl8169_private *tp)
4404 rtl_set_def_aspm_entry_latency(tp);
4406 __rtl_hw_start_8168cp(tp);
4409 static void rtl_hw_start_8168d(struct rtl8169_private *tp)
4411 rtl_set_def_aspm_entry_latency(tp);
4413 rtl_disable_clock_request(tp);
4415 if (tp->dev->mtu <= ETH_DATA_LEN)
4416 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4419 static void rtl_hw_start_8168dp(struct rtl8169_private *tp)
4421 rtl_set_def_aspm_entry_latency(tp);
4423 if (tp->dev->mtu <= ETH_DATA_LEN)
4424 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4426 rtl_disable_clock_request(tp);
4429 static void rtl_hw_start_8168d_4(struct rtl8169_private *tp)
4431 static const struct ephy_info e_info_8168d_4[] = {
4432 { 0x0b, 0x0000, 0x0048 },
4433 { 0x19, 0x0020, 0x0050 },
4434 { 0x0c, 0x0100, 0x0020 },
4435 { 0x10, 0x0004, 0x0000 },
4438 rtl_set_def_aspm_entry_latency(tp);
4440 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4442 rtl_ephy_init(tp, e_info_8168d_4);
4444 rtl_enable_clock_request(tp);
4447 static void rtl_hw_start_8168e_1(struct rtl8169_private *tp)
4449 static const struct ephy_info e_info_8168e_1[] = {
4450 { 0x00, 0x0200, 0x0100 },
4451 { 0x00, 0x0000, 0x0004 },
4452 { 0x06, 0x0002, 0x0001 },
4453 { 0x06, 0x0000, 0x0030 },
4454 { 0x07, 0x0000, 0x2000 },
4455 { 0x00, 0x0000, 0x0020 },
4456 { 0x03, 0x5800, 0x2000 },
4457 { 0x03, 0x0000, 0x0001 },
4458 { 0x01, 0x0800, 0x1000 },
4459 { 0x07, 0x0000, 0x4000 },
4460 { 0x1e, 0x0000, 0x2000 },
4461 { 0x19, 0xffff, 0xfe6c },
4462 { 0x0a, 0x0000, 0x0040 }
4465 rtl_set_def_aspm_entry_latency(tp);
4467 rtl_ephy_init(tp, e_info_8168e_1);
4469 if (tp->dev->mtu <= ETH_DATA_LEN)
4470 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4472 rtl_disable_clock_request(tp);
4474 /* Reset tx FIFO pointer */
4475 RTL_W32(tp, MISC, RTL_R32(tp, MISC) | TXPLA_RST);
4476 RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~TXPLA_RST);
4478 RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en);
4481 static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)
4483 static const struct ephy_info e_info_8168e_2[] = {
4484 { 0x09, 0x0000, 0x0080 },
4485 { 0x19, 0x0000, 0x0224 },
4486 { 0x00, 0x0000, 0x0004 },
4487 { 0x0c, 0x3df0, 0x0200 },
4490 rtl_set_def_aspm_entry_latency(tp);
4492 rtl_ephy_init(tp, e_info_8168e_2);
4494 if (tp->dev->mtu <= ETH_DATA_LEN)
4495 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4497 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4498 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4499 rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06);
4500 rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050);
4501 rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060);
4502 rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_0001, BIT(4));
4503 rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00);
4505 rtl_disable_clock_request(tp);
4507 RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
4509 rtl8168_config_eee_mac(tp);
4511 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN);
4512 RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN);
4513 RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en);
4515 rtl_hw_aspm_clkreq_enable(tp, true);
4518 static void rtl_hw_start_8168f(struct rtl8169_private *tp)
4520 rtl_set_def_aspm_entry_latency(tp);
4522 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4524 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4525 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4526 rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06);
4527 rtl_reset_packet_filter(tp);
4528 rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_0001, BIT(4));
4529 rtl_eri_set_bits(tp, 0x1d0, ERIAR_MASK_0001, BIT(4));
4530 rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050);
4531 rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x00000060);
4533 rtl_disable_clock_request(tp);
4535 RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
4536 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN);
4537 RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN);
4538 RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en);
4540 rtl8168_config_eee_mac(tp);
4543 static void rtl_hw_start_8168f_1(struct rtl8169_private *tp)
4545 static const struct ephy_info e_info_8168f_1[] = {
4546 { 0x06, 0x00c0, 0x0020 },
4547 { 0x08, 0x0001, 0x0002 },
4548 { 0x09, 0x0000, 0x0080 },
4549 { 0x19, 0x0000, 0x0224 },
4550 { 0x00, 0x0000, 0x0004 },
4551 { 0x0c, 0x3df0, 0x0200 },
4554 rtl_hw_start_8168f(tp);
4556 rtl_ephy_init(tp, e_info_8168f_1);
4558 rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00);
4561 static void rtl_hw_start_8411(struct rtl8169_private *tp)
4563 static const struct ephy_info e_info_8168f_1[] = {
4564 { 0x06, 0x00c0, 0x0020 },
4565 { 0x0f, 0xffff, 0x5200 },
4566 { 0x19, 0x0000, 0x0224 },
4567 { 0x00, 0x0000, 0x0004 },
4568 { 0x0c, 0x3df0, 0x0200 },
4571 rtl_hw_start_8168f(tp);
4572 rtl_pcie_state_l2l3_disable(tp);
4574 rtl_ephy_init(tp, e_info_8168f_1);
4576 rtl_eri_set_bits(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00);
4579 static void rtl_hw_start_8168g(struct rtl8169_private *tp)
4581 rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06);
4582 rtl8168g_set_pause_thresholds(tp, 0x38, 0x48);
4584 rtl_set_def_aspm_entry_latency(tp);
4586 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4588 rtl_reset_packet_filter(tp);
4589 rtl_eri_write(tp, 0x2f8, ERIAR_MASK_0011, 0x1d8f);
4591 RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN);
4593 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4594 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4596 rtl8168_config_eee_mac(tp);
4598 rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06);
4599 rtl_eri_clear_bits(tp, 0x1b0, ERIAR_MASK_0011, BIT(12));
4601 rtl_pcie_state_l2l3_disable(tp);
4604 static void rtl_hw_start_8168g_1(struct rtl8169_private *tp)
4606 static const struct ephy_info e_info_8168g_1[] = {
4607 { 0x00, 0x0008, 0x0000 },
4608 { 0x0c, 0x3ff0, 0x0820 },
4609 { 0x1e, 0x0000, 0x0001 },
4610 { 0x19, 0x8000, 0x0000 }
4613 rtl_hw_start_8168g(tp);
4615 /* disable aspm and clock request before access ephy */
4616 rtl_hw_aspm_clkreq_enable(tp, false);
4617 rtl_ephy_init(tp, e_info_8168g_1);
4618 rtl_hw_aspm_clkreq_enable(tp, true);
4621 static void rtl_hw_start_8168g_2(struct rtl8169_private *tp)
4623 static const struct ephy_info e_info_8168g_2[] = {
4624 { 0x00, 0x0008, 0x0000 },
4625 { 0x0c, 0x3ff0, 0x0820 },
4626 { 0x19, 0xffff, 0x7c00 },
4627 { 0x1e, 0xffff, 0x20eb },
4628 { 0x0d, 0xffff, 0x1666 },
4629 { 0x00, 0xffff, 0x10a3 },
4630 { 0x06, 0xffff, 0xf050 },
4631 { 0x04, 0x0000, 0x0010 },
4632 { 0x1d, 0x4000, 0x0000 },
4635 rtl_hw_start_8168g(tp);
4637 /* disable aspm and clock request before access ephy */
4638 RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn);
4639 RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en);
4640 rtl_ephy_init(tp, e_info_8168g_2);
4643 static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
4645 static const struct ephy_info e_info_8411_2[] = {
4646 { 0x00, 0x0008, 0x0000 },
4647 { 0x0c, 0x37d0, 0x0820 },
4648 { 0x1e, 0x0000, 0x0001 },
4649 { 0x19, 0x8021, 0x0000 },
4650 { 0x1e, 0x0000, 0x2000 },
4651 { 0x0d, 0x0100, 0x0200 },
4652 { 0x00, 0x0000, 0x0080 },
4653 { 0x06, 0x0000, 0x0010 },
4654 { 0x04, 0x0000, 0x0010 },
4655 { 0x1d, 0x0000, 0x4000 },
4658 rtl_hw_start_8168g(tp);
4660 /* disable aspm and clock request before access ephy */
4661 rtl_hw_aspm_clkreq_enable(tp, false);
4662 rtl_ephy_init(tp, e_info_8411_2);
4664 /* The following Realtek-provided magic fixes an issue with the RX unit
4665 * getting confused after the PHY having been powered-down.
4667 r8168_mac_ocp_write(tp, 0xFC28, 0x0000);
4668 r8168_mac_ocp_write(tp, 0xFC2A, 0x0000);
4669 r8168_mac_ocp_write(tp, 0xFC2C, 0x0000);
4670 r8168_mac_ocp_write(tp, 0xFC2E, 0x0000);
4671 r8168_mac_ocp_write(tp, 0xFC30, 0x0000);
4672 r8168_mac_ocp_write(tp, 0xFC32, 0x0000);
4673 r8168_mac_ocp_write(tp, 0xFC34, 0x0000);
4674 r8168_mac_ocp_write(tp, 0xFC36, 0x0000);
4676 r8168_mac_ocp_write(tp, 0xFC26, 0x0000);
4678 r8168_mac_ocp_write(tp, 0xF800, 0xE008);
4679 r8168_mac_ocp_write(tp, 0xF802, 0xE00A);
4680 r8168_mac_ocp_write(tp, 0xF804, 0xE00C);
4681 r8168_mac_ocp_write(tp, 0xF806, 0xE00E);
4682 r8168_mac_ocp_write(tp, 0xF808, 0xE027);
4683 r8168_mac_ocp_write(tp, 0xF80A, 0xE04F);
4684 r8168_mac_ocp_write(tp, 0xF80C, 0xE05E);
4685 r8168_mac_ocp_write(tp, 0xF80E, 0xE065);
4686 r8168_mac_ocp_write(tp, 0xF810, 0xC602);
4687 r8168_mac_ocp_write(tp, 0xF812, 0xBE00);
4688 r8168_mac_ocp_write(tp, 0xF814, 0x0000);
4689 r8168_mac_ocp_write(tp, 0xF816, 0xC502);
4690 r8168_mac_ocp_write(tp, 0xF818, 0xBD00);
4691 r8168_mac_ocp_write(tp, 0xF81A, 0x074C);
4692 r8168_mac_ocp_write(tp, 0xF81C, 0xC302);
4693 r8168_mac_ocp_write(tp, 0xF81E, 0xBB00);
4694 r8168_mac_ocp_write(tp, 0xF820, 0x080A);
4695 r8168_mac_ocp_write(tp, 0xF822, 0x6420);
4696 r8168_mac_ocp_write(tp, 0xF824, 0x48C2);
4697 r8168_mac_ocp_write(tp, 0xF826, 0x8C20);
4698 r8168_mac_ocp_write(tp, 0xF828, 0xC516);
4699 r8168_mac_ocp_write(tp, 0xF82A, 0x64A4);
4700 r8168_mac_ocp_write(tp, 0xF82C, 0x49C0);
4701 r8168_mac_ocp_write(tp, 0xF82E, 0xF009);
4702 r8168_mac_ocp_write(tp, 0xF830, 0x74A2);
4703 r8168_mac_ocp_write(tp, 0xF832, 0x8CA5);
4704 r8168_mac_ocp_write(tp, 0xF834, 0x74A0);
4705 r8168_mac_ocp_write(tp, 0xF836, 0xC50E);
4706 r8168_mac_ocp_write(tp, 0xF838, 0x9CA2);
4707 r8168_mac_ocp_write(tp, 0xF83A, 0x1C11);
4708 r8168_mac_ocp_write(tp, 0xF83C, 0x9CA0);
4709 r8168_mac_ocp_write(tp, 0xF83E, 0xE006);
4710 r8168_mac_ocp_write(tp, 0xF840, 0x74F8);
4711 r8168_mac_ocp_write(tp, 0xF842, 0x48C4);
4712 r8168_mac_ocp_write(tp, 0xF844, 0x8CF8);
4713 r8168_mac_ocp_write(tp, 0xF846, 0xC404);
4714 r8168_mac_ocp_write(tp, 0xF848, 0xBC00);
4715 r8168_mac_ocp_write(tp, 0xF84A, 0xC403);
4716 r8168_mac_ocp_write(tp, 0xF84C, 0xBC00);
4717 r8168_mac_ocp_write(tp, 0xF84E, 0x0BF2);
4718 r8168_mac_ocp_write(tp, 0xF850, 0x0C0A);
4719 r8168_mac_ocp_write(tp, 0xF852, 0xE434);
4720 r8168_mac_ocp_write(tp, 0xF854, 0xD3C0);
4721 r8168_mac_ocp_write(tp, 0xF856, 0x49D9);
4722 r8168_mac_ocp_write(tp, 0xF858, 0xF01F);
4723 r8168_mac_ocp_write(tp, 0xF85A, 0xC526);
4724 r8168_mac_ocp_write(tp, 0xF85C, 0x64A5);
4725 r8168_mac_ocp_write(tp, 0xF85E, 0x1400);
4726 r8168_mac_ocp_write(tp, 0xF860, 0xF007);
4727 r8168_mac_ocp_write(tp, 0xF862, 0x0C01);
4728 r8168_mac_ocp_write(tp, 0xF864, 0x8CA5);
4729 r8168_mac_ocp_write(tp, 0xF866, 0x1C15);
4730 r8168_mac_ocp_write(tp, 0xF868, 0xC51B);
4731 r8168_mac_ocp_write(tp, 0xF86A, 0x9CA0);
4732 r8168_mac_ocp_write(tp, 0xF86C, 0xE013);
4733 r8168_mac_ocp_write(tp, 0xF86E, 0xC519);
4734 r8168_mac_ocp_write(tp, 0xF870, 0x74A0);
4735 r8168_mac_ocp_write(tp, 0xF872, 0x48C4);
4736 r8168_mac_ocp_write(tp, 0xF874, 0x8CA0);
4737 r8168_mac_ocp_write(tp, 0xF876, 0xC516);
4738 r8168_mac_ocp_write(tp, 0xF878, 0x74A4);
4739 r8168_mac_ocp_write(tp, 0xF87A, 0x48C8);
4740 r8168_mac_ocp_write(tp, 0xF87C, 0x48CA);
4741 r8168_mac_ocp_write(tp, 0xF87E, 0x9CA4);
4742 r8168_mac_ocp_write(tp, 0xF880, 0xC512);
4743 r8168_mac_ocp_write(tp, 0xF882, 0x1B00);
4744 r8168_mac_ocp_write(tp, 0xF884, 0x9BA0);
4745 r8168_mac_ocp_write(tp, 0xF886, 0x1B1C);
4746 r8168_mac_ocp_write(tp, 0xF888, 0x483F);
4747 r8168_mac_ocp_write(tp, 0xF88A, 0x9BA2);
4748 r8168_mac_ocp_write(tp, 0xF88C, 0x1B04);
4749 r8168_mac_ocp_write(tp, 0xF88E, 0xC508);
4750 r8168_mac_ocp_write(tp, 0xF890, 0x9BA0);
4751 r8168_mac_ocp_write(tp, 0xF892, 0xC505);
4752 r8168_mac_ocp_write(tp, 0xF894, 0xBD00);
4753 r8168_mac_ocp_write(tp, 0xF896, 0xC502);
4754 r8168_mac_ocp_write(tp, 0xF898, 0xBD00);
4755 r8168_mac_ocp_write(tp, 0xF89A, 0x0300);
4756 r8168_mac_ocp_write(tp, 0xF89C, 0x051E);
4757 r8168_mac_ocp_write(tp, 0xF89E, 0xE434);
4758 r8168_mac_ocp_write(tp, 0xF8A0, 0xE018);
4759 r8168_mac_ocp_write(tp, 0xF8A2, 0xE092);
4760 r8168_mac_ocp_write(tp, 0xF8A4, 0xDE20);
4761 r8168_mac_ocp_write(tp, 0xF8A6, 0xD3C0);
4762 r8168_mac_ocp_write(tp, 0xF8A8, 0xC50F);
4763 r8168_mac_ocp_write(tp, 0xF8AA, 0x76A4);
4764 r8168_mac_ocp_write(tp, 0xF8AC, 0x49E3);
4765 r8168_mac_ocp_write(tp, 0xF8AE, 0xF007);
4766 r8168_mac_ocp_write(tp, 0xF8B0, 0x49C0);
4767 r8168_mac_ocp_write(tp, 0xF8B2, 0xF103);
4768 r8168_mac_ocp_write(tp, 0xF8B4, 0xC607);
4769 r8168_mac_ocp_write(tp, 0xF8B6, 0xBE00);
4770 r8168_mac_ocp_write(tp, 0xF8B8, 0xC606);
4771 r8168_mac_ocp_write(tp, 0xF8BA, 0xBE00);
4772 r8168_mac_ocp_write(tp, 0xF8BC, 0xC602);
4773 r8168_mac_ocp_write(tp, 0xF8BE, 0xBE00);
4774 r8168_mac_ocp_write(tp, 0xF8C0, 0x0C4C);
4775 r8168_mac_ocp_write(tp, 0xF8C2, 0x0C28);
4776 r8168_mac_ocp_write(tp, 0xF8C4, 0x0C2C);
4777 r8168_mac_ocp_write(tp, 0xF8C6, 0xDC00);
4778 r8168_mac_ocp_write(tp, 0xF8C8, 0xC707);
4779 r8168_mac_ocp_write(tp, 0xF8CA, 0x1D00);
4780 r8168_mac_ocp_write(tp, 0xF8CC, 0x8DE2);
4781 r8168_mac_ocp_write(tp, 0xF8CE, 0x48C1);
4782 r8168_mac_ocp_write(tp, 0xF8D0, 0xC502);
4783 r8168_mac_ocp_write(tp, 0xF8D2, 0xBD00);
4784 r8168_mac_ocp_write(tp, 0xF8D4, 0x00AA);
4785 r8168_mac_ocp_write(tp, 0xF8D6, 0xE0C0);
4786 r8168_mac_ocp_write(tp, 0xF8D8, 0xC502);
4787 r8168_mac_ocp_write(tp, 0xF8DA, 0xBD00);
4788 r8168_mac_ocp_write(tp, 0xF8DC, 0x0132);
4790 r8168_mac_ocp_write(tp, 0xFC26, 0x8000);
4792 r8168_mac_ocp_write(tp, 0xFC2A, 0x0743);
4793 r8168_mac_ocp_write(tp, 0xFC2C, 0x0801);
4794 r8168_mac_ocp_write(tp, 0xFC2E, 0x0BE9);
4795 r8168_mac_ocp_write(tp, 0xFC30, 0x02FD);
4796 r8168_mac_ocp_write(tp, 0xFC32, 0x0C25);
4797 r8168_mac_ocp_write(tp, 0xFC34, 0x00A9);
4798 r8168_mac_ocp_write(tp, 0xFC36, 0x012D);
4800 rtl_hw_aspm_clkreq_enable(tp, true);
4803 static void rtl_hw_start_8168h_1(struct rtl8169_private *tp)
4805 static const struct ephy_info e_info_8168h_1[] = {
4806 { 0x1e, 0x0800, 0x0001 },
4807 { 0x1d, 0x0000, 0x0800 },
4808 { 0x05, 0xffff, 0x2089 },
4809 { 0x06, 0xffff, 0x5881 },
4810 { 0x04, 0xffff, 0x854a },
4811 { 0x01, 0xffff, 0x068b }
4815 /* disable aspm and clock request before access ephy */
4816 rtl_hw_aspm_clkreq_enable(tp, false);
4817 rtl_ephy_init(tp, e_info_8168h_1);
4819 rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06);
4820 rtl8168g_set_pause_thresholds(tp, 0x38, 0x48);
4822 rtl_set_def_aspm_entry_latency(tp);
4824 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4826 rtl_reset_packet_filter(tp);
4828 rtl_eri_set_bits(tp, 0xdc, ERIAR_MASK_1111, BIT(4));
4830 rtl_eri_set_bits(tp, 0xd4, ERIAR_MASK_1111, 0x1f00);
4832 rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87);
4834 RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN);
4836 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4837 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4839 rtl8168_config_eee_mac(tp);
4841 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
4842 RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN);
4844 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN);
4846 rtl_eri_clear_bits(tp, 0x1b0, ERIAR_MASK_0011, BIT(12));
4848 rtl_pcie_state_l2l3_disable(tp);
4850 rtl_writephy(tp, 0x1f, 0x0c42);
4851 rg_saw_cnt = (rtl_readphy(tp, 0x13) & 0x3fff);
4852 rtl_writephy(tp, 0x1f, 0x0000);
4853 if (rg_saw_cnt > 0) {
4856 sw_cnt_1ms_ini = 16000000/rg_saw_cnt;
4857 sw_cnt_1ms_ini &= 0x0fff;
4858 r8168_mac_ocp_modify(tp, 0xd412, 0x0fff, sw_cnt_1ms_ini);
4861 r8168_mac_ocp_modify(tp, 0xe056, 0x00f0, 0x0070);
4862 r8168_mac_ocp_modify(tp, 0xe052, 0x6000, 0x8008);
4863 r8168_mac_ocp_modify(tp, 0xe0d6, 0x01ff, 0x017f);
4864 r8168_mac_ocp_modify(tp, 0xd420, 0x0fff, 0x047f);
4866 r8168_mac_ocp_write(tp, 0xe63e, 0x0001);
4867 r8168_mac_ocp_write(tp, 0xe63e, 0x0000);
4868 r8168_mac_ocp_write(tp, 0xc094, 0x0000);
4869 r8168_mac_ocp_write(tp, 0xc09e, 0x0000);
4871 rtl_hw_aspm_clkreq_enable(tp, true);
4874 static void rtl_hw_start_8168ep(struct rtl8169_private *tp)
4876 rtl8168ep_stop_cmac(tp);
4878 rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06);
4879 rtl8168g_set_pause_thresholds(tp, 0x2f, 0x5f);
4881 rtl_set_def_aspm_entry_latency(tp);
4883 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4885 rtl_reset_packet_filter(tp);
4887 rtl_eri_set_bits(tp, 0xd4, ERIAR_MASK_1111, 0x1f80);
4889 rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87);
4891 RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN);
4893 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4894 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4896 rtl8168_config_eee_mac(tp);
4898 rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06);
4900 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN);
4902 rtl_pcie_state_l2l3_disable(tp);
4905 static void rtl_hw_start_8168ep_1(struct rtl8169_private *tp)
4907 static const struct ephy_info e_info_8168ep_1[] = {
4908 { 0x00, 0xffff, 0x10ab },
4909 { 0x06, 0xffff, 0xf030 },
4910 { 0x08, 0xffff, 0x2006 },
4911 { 0x0d, 0xffff, 0x1666 },
4912 { 0x0c, 0x3ff0, 0x0000 }
4915 /* disable aspm and clock request before access ephy */
4916 rtl_hw_aspm_clkreq_enable(tp, false);
4917 rtl_ephy_init(tp, e_info_8168ep_1);
4919 rtl_hw_start_8168ep(tp);
4921 rtl_hw_aspm_clkreq_enable(tp, true);
4924 static void rtl_hw_start_8168ep_2(struct rtl8169_private *tp)
4926 static const struct ephy_info e_info_8168ep_2[] = {
4927 { 0x00, 0xffff, 0x10a3 },
4928 { 0x19, 0xffff, 0xfc00 },
4929 { 0x1e, 0xffff, 0x20ea }
4932 /* disable aspm and clock request before access ephy */
4933 rtl_hw_aspm_clkreq_enable(tp, false);
4934 rtl_ephy_init(tp, e_info_8168ep_2);
4936 rtl_hw_start_8168ep(tp);
4938 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
4939 RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN);
4941 rtl_hw_aspm_clkreq_enable(tp, true);
4944 static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp)
4946 static const struct ephy_info e_info_8168ep_3[] = {
4947 { 0x00, 0x0000, 0x0080 },
4948 { 0x0d, 0x0100, 0x0200 },
4949 { 0x19, 0x8021, 0x0000 },
4950 { 0x1e, 0x0000, 0x2000 },
4953 /* disable aspm and clock request before access ephy */
4954 rtl_hw_aspm_clkreq_enable(tp, false);
4955 rtl_ephy_init(tp, e_info_8168ep_3);
4957 rtl_hw_start_8168ep(tp);
4959 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
4960 RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN);
4962 r8168_mac_ocp_modify(tp, 0xd3e2, 0x0fff, 0x0271);
4963 r8168_mac_ocp_modify(tp, 0xd3e4, 0x00ff, 0x0000);
4964 r8168_mac_ocp_modify(tp, 0xe860, 0x0000, 0x0080);
4966 rtl_hw_aspm_clkreq_enable(tp, true);
4969 static void rtl_hw_start_8102e_1(struct rtl8169_private *tp)
4971 static const struct ephy_info e_info_8102e_1[] = {
4972 { 0x01, 0, 0x6e65 },
4973 { 0x02, 0, 0x091f },
4974 { 0x03, 0, 0xc2f9 },
4975 { 0x06, 0, 0xafb5 },
4976 { 0x07, 0, 0x0e00 },
4977 { 0x19, 0, 0xec80 },
4978 { 0x01, 0, 0x2e65 },
4983 rtl_set_def_aspm_entry_latency(tp);
4985 RTL_W8(tp, DBG_REG, FIX_NAK_1);
4987 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4990 LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
4991 RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4993 cfg1 = RTL_R8(tp, Config1);
4994 if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
4995 RTL_W8(tp, Config1, cfg1 & ~LEDS0);
4997 rtl_ephy_init(tp, e_info_8102e_1);
5000 static void rtl_hw_start_8102e_2(struct rtl8169_private *tp)
5002 rtl_set_def_aspm_entry_latency(tp);
5004 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
5006 RTL_W8(tp, Config1, MEMMAP | IOMAP | VPD | PMEnable);
5007 RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
5010 static void rtl_hw_start_8102e_3(struct rtl8169_private *tp)
5012 rtl_hw_start_8102e_2(tp);
5014 rtl_ephy_write(tp, 0x03, 0xc2f9);
5017 static void rtl_hw_start_8105e_1(struct rtl8169_private *tp)
5019 static const struct ephy_info e_info_8105e_1[] = {
5020 { 0x07, 0, 0x4000 },
5021 { 0x19, 0, 0x0200 },
5022 { 0x19, 0, 0x0020 },
5023 { 0x1e, 0, 0x2000 },
5024 { 0x03, 0, 0x0001 },
5025 { 0x19, 0, 0x0100 },
5026 { 0x19, 0, 0x0004 },
5030 /* Force LAN exit from ASPM if Rx/Tx are not idle */
5031 RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800);
5033 /* Disable Early Tally Counter */
5034 RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) & ~0x010000);
5036 RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET);
5037 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN);
5039 rtl_ephy_init(tp, e_info_8105e_1);
5041 rtl_pcie_state_l2l3_disable(tp);
5044 static void rtl_hw_start_8105e_2(struct rtl8169_private *tp)
5046 rtl_hw_start_8105e_1(tp);
5047 rtl_ephy_write(tp, 0x1e, rtl_ephy_read(tp, 0x1e) | 0x8000);
5050 static void rtl_hw_start_8402(struct rtl8169_private *tp)
5052 static const struct ephy_info e_info_8402[] = {
5053 { 0x19, 0xffff, 0xff64 },
5057 rtl_set_def_aspm_entry_latency(tp);
5059 /* Force LAN exit from ASPM if Rx/Tx are not idle */
5060 RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800);
5062 RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
5064 rtl_ephy_init(tp, e_info_8402);
5066 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
5068 rtl_set_fifo_size(tp, 0x00, 0x00, 0x02, 0x06);
5069 rtl_reset_packet_filter(tp);
5070 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
5071 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
5072 rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00);
5074 rtl_pcie_state_l2l3_disable(tp);
5077 static void rtl_hw_start_8106(struct rtl8169_private *tp)
5079 rtl_hw_aspm_clkreq_enable(tp, false);
5081 /* Force LAN exit from ASPM if Rx/Tx are not idle */
5082 RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800);
5084 RTL_W32(tp, MISC, (RTL_R32(tp, MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN);
5085 RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET);
5086 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
5088 rtl_pcie_state_l2l3_disable(tp);
5089 rtl_hw_aspm_clkreq_enable(tp, true);
5092 DECLARE_RTL_COND(rtl_mac_ocp_e00e_cond)
5094 return r8168_mac_ocp_read(tp, 0xe00e) & BIT(13);
5097 static void rtl_hw_start_8125_common(struct rtl8169_private *tp)
5099 rtl_pcie_state_l2l3_disable(tp);
5101 RTL_W16(tp, 0x382, 0x221b);
5102 RTL_W8(tp, 0x4500, 0);
5103 RTL_W16(tp, 0x4800, 0);
5106 r8168_mac_ocp_modify(tp, 0xd40a, 0x0010, 0x0000);
5108 RTL_W8(tp, Config1, RTL_R8(tp, Config1) & ~0x10);
5110 r8168_mac_ocp_write(tp, 0xc140, 0xffff);
5111 r8168_mac_ocp_write(tp, 0xc142, 0xffff);
5113 r8168_mac_ocp_modify(tp, 0xd3e2, 0x0fff, 0x03a9);
5114 r8168_mac_ocp_modify(tp, 0xd3e4, 0x00ff, 0x0000);
5115 r8168_mac_ocp_modify(tp, 0xe860, 0x0000, 0x0080);
5117 /* disable new tx descriptor format */
5118 r8168_mac_ocp_modify(tp, 0xeb58, 0x0001, 0x0000);
5120 r8168_mac_ocp_modify(tp, 0xe614, 0x0700, 0x0400);
5121 r8168_mac_ocp_modify(tp, 0xe63e, 0x0c30, 0x0020);
5122 r8168_mac_ocp_modify(tp, 0xc0b4, 0x0000, 0x000c);
5123 r8168_mac_ocp_modify(tp, 0xeb6a, 0x00ff, 0x0033);
5124 r8168_mac_ocp_modify(tp, 0xeb50, 0x03e0, 0x0040);
5125 r8168_mac_ocp_modify(tp, 0xe056, 0x00f0, 0x0030);
5126 r8168_mac_ocp_modify(tp, 0xe040, 0x1000, 0x0000);
5127 r8168_mac_ocp_modify(tp, 0xe0c0, 0x4f0f, 0x4403);
5128 r8168_mac_ocp_modify(tp, 0xe052, 0x0080, 0x0067);
5129 r8168_mac_ocp_modify(tp, 0xc0ac, 0x0080, 0x1f00);
5130 r8168_mac_ocp_modify(tp, 0xd430, 0x0fff, 0x047f);
5131 r8168_mac_ocp_modify(tp, 0xe84c, 0x0000, 0x00c0);
5132 r8168_mac_ocp_modify(tp, 0xea1c, 0x0004, 0x0000);
5133 r8168_mac_ocp_modify(tp, 0xeb54, 0x0000, 0x0001);
5135 r8168_mac_ocp_modify(tp, 0xeb54, 0x0001, 0x0000);
5136 RTL_W16(tp, 0x1880, RTL_R16(tp, 0x1880) & ~0x0030);
5138 r8168_mac_ocp_write(tp, 0xe098, 0xc302);
5140 rtl_udelay_loop_wait_low(tp, &rtl_mac_ocp_e00e_cond, 1000, 10);
5142 RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN);
5146 static void rtl_hw_start_8125_1(struct rtl8169_private *tp)
5148 static const struct ephy_info e_info_8125_1[] = {
5149 { 0x01, 0xffff, 0xa812 },
5150 { 0x09, 0xffff, 0x520c },
5151 { 0x04, 0xffff, 0xd000 },
5152 { 0x0d, 0xffff, 0xf702 },
5153 { 0x0a, 0xffff, 0x8653 },
5154 { 0x06, 0xffff, 0x001e },
5155 { 0x08, 0xffff, 0x3595 },
5156 { 0x20, 0xffff, 0x9455 },
5157 { 0x21, 0xffff, 0x99ff },
5158 { 0x02, 0xffff, 0x6046 },
5159 { 0x29, 0xffff, 0xfe00 },
5160 { 0x23, 0xffff, 0xab62 },
5162 { 0x41, 0xffff, 0xa80c },
5163 { 0x49, 0xffff, 0x520c },
5164 { 0x44, 0xffff, 0xd000 },
5165 { 0x4d, 0xffff, 0xf702 },
5166 { 0x4a, 0xffff, 0x8653 },
5167 { 0x46, 0xffff, 0x001e },
5168 { 0x48, 0xffff, 0x3595 },
5169 { 0x60, 0xffff, 0x9455 },
5170 { 0x61, 0xffff, 0x99ff },
5171 { 0x42, 0xffff, 0x6046 },
5172 { 0x69, 0xffff, 0xfe00 },
5173 { 0x63, 0xffff, 0xab62 },
5176 rtl_set_def_aspm_entry_latency(tp);
5178 /* disable aspm and clock request before access ephy */
5179 rtl_hw_aspm_clkreq_enable(tp, false);
5180 rtl_ephy_init(tp, e_info_8125_1);
5182 rtl_hw_start_8125_common(tp);
5185 static void rtl_hw_start_8125_2(struct rtl8169_private *tp)
5187 static const struct ephy_info e_info_8125_2[] = {
5188 { 0x04, 0xffff, 0xd000 },
5189 { 0x0a, 0xffff, 0x8653 },
5190 { 0x23, 0xffff, 0xab66 },
5191 { 0x20, 0xffff, 0x9455 },
5192 { 0x21, 0xffff, 0x99ff },
5193 { 0x29, 0xffff, 0xfe04 },
5195 { 0x44, 0xffff, 0xd000 },
5196 { 0x4a, 0xffff, 0x8653 },
5197 { 0x63, 0xffff, 0xab66 },
5198 { 0x60, 0xffff, 0x9455 },
5199 { 0x61, 0xffff, 0x99ff },
5200 { 0x69, 0xffff, 0xfe04 },
5203 rtl_set_def_aspm_entry_latency(tp);
5205 /* disable aspm and clock request before access ephy */
5206 rtl_hw_aspm_clkreq_enable(tp, false);
5207 rtl_ephy_init(tp, e_info_8125_2);
5209 rtl_hw_start_8125_common(tp);
5212 static void rtl_hw_config(struct rtl8169_private *tp)
5214 static const rtl_generic_fct hw_configs[] = {
5215 [RTL_GIGA_MAC_VER_07] = rtl_hw_start_8102e_1,
5216 [RTL_GIGA_MAC_VER_08] = rtl_hw_start_8102e_3,
5217 [RTL_GIGA_MAC_VER_09] = rtl_hw_start_8102e_2,
5218 [RTL_GIGA_MAC_VER_10] = NULL,
5219 [RTL_GIGA_MAC_VER_11] = rtl_hw_start_8168bb,
5220 [RTL_GIGA_MAC_VER_12] = rtl_hw_start_8168bef,
5221 [RTL_GIGA_MAC_VER_13] = NULL,
5222 [RTL_GIGA_MAC_VER_14] = NULL,
5223 [RTL_GIGA_MAC_VER_15] = NULL,
5224 [RTL_GIGA_MAC_VER_16] = NULL,
5225 [RTL_GIGA_MAC_VER_17] = rtl_hw_start_8168bef,
5226 [RTL_GIGA_MAC_VER_18] = rtl_hw_start_8168cp_1,
5227 [RTL_GIGA_MAC_VER_19] = rtl_hw_start_8168c_1,
5228 [RTL_GIGA_MAC_VER_20] = rtl_hw_start_8168c_2,
5229 [RTL_GIGA_MAC_VER_21] = rtl_hw_start_8168c_3,
5230 [RTL_GIGA_MAC_VER_22] = rtl_hw_start_8168c_4,
5231 [RTL_GIGA_MAC_VER_23] = rtl_hw_start_8168cp_2,
5232 [RTL_GIGA_MAC_VER_24] = rtl_hw_start_8168cp_3,
5233 [RTL_GIGA_MAC_VER_25] = rtl_hw_start_8168d,
5234 [RTL_GIGA_MAC_VER_26] = rtl_hw_start_8168d,
5235 [RTL_GIGA_MAC_VER_27] = rtl_hw_start_8168d,
5236 [RTL_GIGA_MAC_VER_28] = rtl_hw_start_8168d_4,
5237 [RTL_GIGA_MAC_VER_29] = rtl_hw_start_8105e_1,
5238 [RTL_GIGA_MAC_VER_30] = rtl_hw_start_8105e_2,
5239 [RTL_GIGA_MAC_VER_31] = rtl_hw_start_8168dp,
5240 [RTL_GIGA_MAC_VER_32] = rtl_hw_start_8168e_1,
5241 [RTL_GIGA_MAC_VER_33] = rtl_hw_start_8168e_1,
5242 [RTL_GIGA_MAC_VER_34] = rtl_hw_start_8168e_2,
5243 [RTL_GIGA_MAC_VER_35] = rtl_hw_start_8168f_1,
5244 [RTL_GIGA_MAC_VER_36] = rtl_hw_start_8168f_1,
5245 [RTL_GIGA_MAC_VER_37] = rtl_hw_start_8402,
5246 [RTL_GIGA_MAC_VER_38] = rtl_hw_start_8411,
5247 [RTL_GIGA_MAC_VER_39] = rtl_hw_start_8106,
5248 [RTL_GIGA_MAC_VER_40] = rtl_hw_start_8168g_1,
5249 [RTL_GIGA_MAC_VER_41] = rtl_hw_start_8168g_1,
5250 [RTL_GIGA_MAC_VER_42] = rtl_hw_start_8168g_2,
5251 [RTL_GIGA_MAC_VER_43] = rtl_hw_start_8168g_2,
5252 [RTL_GIGA_MAC_VER_44] = rtl_hw_start_8411_2,
5253 [RTL_GIGA_MAC_VER_45] = rtl_hw_start_8168h_1,
5254 [RTL_GIGA_MAC_VER_46] = rtl_hw_start_8168h_1,
5255 [RTL_GIGA_MAC_VER_47] = rtl_hw_start_8168h_1,
5256 [RTL_GIGA_MAC_VER_48] = rtl_hw_start_8168h_1,
5257 [RTL_GIGA_MAC_VER_49] = rtl_hw_start_8168ep_1,
5258 [RTL_GIGA_MAC_VER_50] = rtl_hw_start_8168ep_2,
5259 [RTL_GIGA_MAC_VER_51] = rtl_hw_start_8168ep_3,
5260 [RTL_GIGA_MAC_VER_60] = rtl_hw_start_8125_1,
5261 [RTL_GIGA_MAC_VER_61] = rtl_hw_start_8125_2,
5264 if (hw_configs[tp->mac_version])
5265 hw_configs[tp->mac_version](tp);
5268 static void rtl_hw_start_8125(struct rtl8169_private *tp)
5272 /* disable interrupt coalescing */
5273 for (i = 0xa00; i < 0xb00; i += 4)
5279 static void rtl_hw_start_8168(struct rtl8169_private *tp)
5281 if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
5282 tp->mac_version == RTL_GIGA_MAC_VER_16)
5283 pcie_capability_set_word(tp->pci_dev, PCI_EXP_DEVCTL,
5284 PCI_EXP_DEVCTL_NOSNOOP_EN);
5286 if (rtl_is_8168evl_up(tp))
5287 RTL_W8(tp, MaxTxPacketSize, EarlySize);
5289 RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
5293 /* disable interrupt coalescing */
5294 RTL_W16(tp, IntrMitigate, 0x0000);
5297 static void rtl_hw_start_8169(struct rtl8169_private *tp)
5299 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
5300 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
5302 RTL_W8(tp, EarlyTxThres, NoEarlyTx);
5304 tp->cp_cmd |= PCIMulRW;
5306 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
5307 tp->mac_version == RTL_GIGA_MAC_VER_03) {
5308 netif_dbg(tp, drv, tp->dev,
5309 "Set MAC Reg C+CR Offset 0xe0. Bit 3 and Bit 14 MUST be 1\n");
5310 tp->cp_cmd |= (1 << 14);
5313 RTL_W16(tp, CPlusCmd, tp->cp_cmd);
5315 rtl8169_set_magic_reg(tp, tp->mac_version);
5317 RTL_W32(tp, RxMissed, 0);
5319 /* disable interrupt coalescing */
5320 RTL_W16(tp, IntrMitigate, 0x0000);
5323 static void rtl_hw_start(struct rtl8169_private *tp)
5325 rtl_unlock_config_regs(tp);
5327 tp->cp_cmd &= CPCMD_MASK;
5328 RTL_W16(tp, CPlusCmd, tp->cp_cmd);
5330 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
5331 rtl_hw_start_8169(tp);
5332 else if (rtl_is_8125(tp))
5333 rtl_hw_start_8125(tp);
5335 rtl_hw_start_8168(tp);
5337 rtl_set_rx_max_size(tp);
5338 rtl_set_rx_tx_desc_registers(tp);
5339 rtl_lock_config_regs(tp);
5341 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
5342 RTL_R16(tp, CPlusCmd);
5343 RTL_W8(tp, ChipCmd, CmdTxEnb | CmdRxEnb);
5345 rtl_set_tx_config_registers(tp);
5346 rtl_set_rx_mode(tp->dev);
5350 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
5352 struct rtl8169_private *tp = netdev_priv(dev);
5354 if (new_mtu > ETH_DATA_LEN)
5355 rtl_hw_jumbo_enable(tp);
5357 rtl_hw_jumbo_disable(tp);
5360 netdev_update_features(dev);
5365 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
5367 desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
5368 desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
5371 static inline void rtl8169_mark_to_asic(struct RxDesc *desc)
5373 u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
5375 /* Force memory writes to complete before releasing descriptor */
5378 desc->opts1 = cpu_to_le32(DescOwn | eor | R8169_RX_BUF_SIZE);
5381 static struct page *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
5382 struct RxDesc *desc)
5384 struct device *d = tp_to_dev(tp);
5385 int node = dev_to_node(d);
5389 data = alloc_pages_node(node, GFP_KERNEL, get_order(R8169_RX_BUF_SIZE));
5393 mapping = dma_map_page(d, data, 0, R8169_RX_BUF_SIZE, DMA_FROM_DEVICE);
5394 if (unlikely(dma_mapping_error(d, mapping))) {
5395 if (net_ratelimit())
5396 netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
5397 __free_pages(data, get_order(R8169_RX_BUF_SIZE));
5401 desc->addr = cpu_to_le64(mapping);
5402 rtl8169_mark_to_asic(desc);
5407 static void rtl8169_rx_clear(struct rtl8169_private *tp)
5411 for (i = 0; i < NUM_RX_DESC && tp->Rx_databuff[i]; i++) {
5412 dma_unmap_page(tp_to_dev(tp),
5413 le64_to_cpu(tp->RxDescArray[i].addr),
5414 R8169_RX_BUF_SIZE, DMA_FROM_DEVICE);
5415 __free_pages(tp->Rx_databuff[i], get_order(R8169_RX_BUF_SIZE));
5416 tp->Rx_databuff[i] = NULL;
5417 rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
5421 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
5423 desc->opts1 |= cpu_to_le32(RingEnd);
5426 static int rtl8169_rx_fill(struct rtl8169_private *tp)
5430 for (i = 0; i < NUM_RX_DESC; i++) {
5433 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
5435 rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
5438 tp->Rx_databuff[i] = data;
5441 rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
5445 rtl8169_rx_clear(tp);
5449 static int rtl8169_init_ring(struct rtl8169_private *tp)
5451 rtl8169_init_ring_indexes(tp);
5453 memset(tp->tx_skb, 0, sizeof(tp->tx_skb));
5454 memset(tp->Rx_databuff, 0, sizeof(tp->Rx_databuff));
5456 return rtl8169_rx_fill(tp);
5459 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
5460 struct TxDesc *desc)
5462 unsigned int len = tx_skb->len;
5464 dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
5472 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
5477 for (i = 0; i < n; i++) {
5478 unsigned int entry = (start + i) % NUM_TX_DESC;
5479 struct ring_info *tx_skb = tp->tx_skb + entry;
5480 unsigned int len = tx_skb->len;
5483 struct sk_buff *skb = tx_skb->skb;
5485 rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb,
5486 tp->TxDescArray + entry);
5488 dev_consume_skb_any(skb);
5495 static void rtl8169_tx_clear(struct rtl8169_private *tp)
5497 rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
5498 tp->cur_tx = tp->dirty_tx = 0;
5499 netdev_reset_queue(tp->dev);
5502 static void rtl_reset_work(struct rtl8169_private *tp)
5504 struct net_device *dev = tp->dev;
5507 napi_disable(&tp->napi);
5508 netif_stop_queue(dev);
5511 rtl8169_hw_reset(tp);
5513 for (i = 0; i < NUM_RX_DESC; i++)
5514 rtl8169_mark_to_asic(tp->RxDescArray + i);
5516 rtl8169_tx_clear(tp);
5517 rtl8169_init_ring_indexes(tp);
5519 napi_enable(&tp->napi);
5521 netif_wake_queue(dev);
5524 static void rtl8169_tx_timeout(struct net_device *dev)
5526 struct rtl8169_private *tp = netdev_priv(dev);
5528 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5531 static __le32 rtl8169_get_txd_opts1(u32 opts0, u32 len, unsigned int entry)
5533 u32 status = opts0 | len;
5535 if (entry == NUM_TX_DESC - 1)
5538 return cpu_to_le32(status);
5541 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
5544 struct skb_shared_info *info = skb_shinfo(skb);
5545 unsigned int cur_frag, entry;
5546 struct TxDesc *uninitialized_var(txd);
5547 struct device *d = tp_to_dev(tp);
5550 for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
5551 const skb_frag_t *frag = info->frags + cur_frag;
5556 entry = (entry + 1) % NUM_TX_DESC;
5558 txd = tp->TxDescArray + entry;
5559 len = skb_frag_size(frag);
5560 addr = skb_frag_address(frag);
5561 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5562 if (unlikely(dma_mapping_error(d, mapping))) {
5563 if (net_ratelimit())
5564 netif_err(tp, drv, tp->dev,
5565 "Failed to map TX fragments DMA!\n");
5569 txd->opts1 = rtl8169_get_txd_opts1(opts[0], len, entry);
5570 txd->opts2 = cpu_to_le32(opts[1]);
5571 txd->addr = cpu_to_le64(mapping);
5573 tp->tx_skb[entry].len = len;
5577 tp->tx_skb[entry].skb = skb;
5578 txd->opts1 |= cpu_to_le32(LastFrag);
5584 rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5588 static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb)
5590 return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34;
5593 /* msdn_giant_send_check()
5594 * According to the document of microsoft, the TCP Pseudo Header excludes the
5595 * packet length for IPv6 TCP large packets.
5597 static int msdn_giant_send_check(struct sk_buff *skb)
5599 const struct ipv6hdr *ipv6h;
5603 ret = skb_cow_head(skb, 0);
5607 ipv6h = ipv6_hdr(skb);
5611 th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0);
5616 static void rtl8169_tso_csum_v1(struct sk_buff *skb, u32 *opts)
5618 u32 mss = skb_shinfo(skb)->gso_size;
5622 opts[0] |= min(mss, TD_MSS_MAX) << TD0_MSS_SHIFT;
5623 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5624 const struct iphdr *ip = ip_hdr(skb);
5626 if (ip->protocol == IPPROTO_TCP)
5627 opts[0] |= TD0_IP_CS | TD0_TCP_CS;
5628 else if (ip->protocol == IPPROTO_UDP)
5629 opts[0] |= TD0_IP_CS | TD0_UDP_CS;
5635 static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp,
5636 struct sk_buff *skb, u32 *opts)
5638 u32 transport_offset = (u32)skb_transport_offset(skb);
5639 u32 mss = skb_shinfo(skb)->gso_size;
5642 switch (vlan_get_protocol(skb)) {
5643 case htons(ETH_P_IP):
5644 opts[0] |= TD1_GTSENV4;
5647 case htons(ETH_P_IPV6):
5648 if (msdn_giant_send_check(skb))
5651 opts[0] |= TD1_GTSENV6;
5659 opts[0] |= transport_offset << GTTCPHO_SHIFT;
5660 opts[1] |= min(mss, TD_MSS_MAX) << TD1_MSS_SHIFT;
5661 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5664 switch (vlan_get_protocol(skb)) {
5665 case htons(ETH_P_IP):
5666 opts[1] |= TD1_IPv4_CS;
5667 ip_protocol = ip_hdr(skb)->protocol;
5670 case htons(ETH_P_IPV6):
5671 opts[1] |= TD1_IPv6_CS;
5672 ip_protocol = ipv6_hdr(skb)->nexthdr;
5676 ip_protocol = IPPROTO_RAW;
5680 if (ip_protocol == IPPROTO_TCP)
5681 opts[1] |= TD1_TCP_CS;
5682 else if (ip_protocol == IPPROTO_UDP)
5683 opts[1] |= TD1_UDP_CS;
5687 opts[1] |= transport_offset << TCPHO_SHIFT;
5689 if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
5690 return !eth_skb_pad(skb);
5696 static bool rtl_tx_slots_avail(struct rtl8169_private *tp,
5697 unsigned int nr_frags)
5699 unsigned int slots_avail = tp->dirty_tx + NUM_TX_DESC - tp->cur_tx;
5701 /* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */
5702 return slots_avail > nr_frags;
5705 /* Versions RTL8102e and from RTL8168c onwards support csum_v2 */
5706 static bool rtl_chip_supports_csum_v2(struct rtl8169_private *tp)
5708 switch (tp->mac_version) {
5709 case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06:
5710 case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17:
5717 static void rtl8169_doorbell(struct rtl8169_private *tp)
5719 if (rtl_is_8125(tp))
5720 RTL_W16(tp, TxPoll_8125, BIT(0));
5722 RTL_W8(tp, TxPoll, NPQ);
5725 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5726 struct net_device *dev)
5728 struct rtl8169_private *tp = netdev_priv(dev);
5729 unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5730 struct TxDesc *txd = tp->TxDescArray + entry;
5731 struct device *d = tp_to_dev(tp);
5738 if (unlikely(!rtl_tx_slots_avail(tp, skb_shinfo(skb)->nr_frags))) {
5739 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5743 if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5746 opts[1] = rtl8169_tx_vlan_tag(skb);
5749 if (rtl_chip_supports_csum_v2(tp)) {
5750 if (!rtl8169_tso_csum_v2(tp, skb, opts))
5753 rtl8169_tso_csum_v1(skb, opts);
5756 len = skb_headlen(skb);
5757 mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5758 if (unlikely(dma_mapping_error(d, mapping))) {
5759 if (net_ratelimit())
5760 netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5764 tp->tx_skb[entry].len = len;
5765 txd->addr = cpu_to_le64(mapping);
5767 frags = rtl8169_xmit_frags(tp, skb, opts);
5771 opts[0] |= FirstFrag;
5773 opts[0] |= FirstFrag | LastFrag;
5774 tp->tx_skb[entry].skb = skb;
5777 txd->opts2 = cpu_to_le32(opts[1]);
5779 skb_tx_timestamp(skb);
5781 /* Force memory writes to complete before releasing descriptor */
5784 door_bell = __netdev_sent_queue(dev, skb->len, netdev_xmit_more());
5786 txd->opts1 = rtl8169_get_txd_opts1(opts[0], len, entry);
5788 /* Force all memory writes to complete before notifying device */
5791 tp->cur_tx += frags + 1;
5793 stop_queue = !rtl_tx_slots_avail(tp, MAX_SKB_FRAGS);
5794 if (unlikely(stop_queue)) {
5795 /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must
5796 * not miss a ring update when it notices a stopped queue.
5799 netif_stop_queue(dev);
5804 rtl8169_doorbell(tp);
5806 if (unlikely(stop_queue)) {
5807 /* Sync with rtl_tx:
5808 * - publish queue status and cur_tx ring index (write barrier)
5809 * - refresh dirty_tx ring index (read barrier).
5810 * May the current thread have a pessimistic view of the ring
5811 * status and forget to wake up queue, a racing rtl_tx thread
5815 if (rtl_tx_slots_avail(tp, MAX_SKB_FRAGS))
5816 netif_start_queue(dev);
5819 return NETDEV_TX_OK;
5822 rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
5824 dev_kfree_skb_any(skb);
5825 dev->stats.tx_dropped++;
5826 return NETDEV_TX_OK;
5829 netif_stop_queue(dev);
5830 dev->stats.tx_dropped++;
5831 return NETDEV_TX_BUSY;
5834 static netdev_features_t rtl8169_features_check(struct sk_buff *skb,
5835 struct net_device *dev,
5836 netdev_features_t features)
5838 int transport_offset = skb_transport_offset(skb);
5839 struct rtl8169_private *tp = netdev_priv(dev);
5841 if (skb_is_gso(skb)) {
5842 if (transport_offset > GTTCPHO_MAX &&
5843 rtl_chip_supports_csum_v2(tp))
5844 features &= ~NETIF_F_ALL_TSO;
5845 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5846 if (skb->len < ETH_ZLEN) {
5847 switch (tp->mac_version) {
5848 case RTL_GIGA_MAC_VER_11:
5849 case RTL_GIGA_MAC_VER_12:
5850 case RTL_GIGA_MAC_VER_17:
5851 case RTL_GIGA_MAC_VER_34:
5852 features &= ~NETIF_F_CSUM_MASK;
5859 if (transport_offset > TCPHO_MAX &&
5860 rtl_chip_supports_csum_v2(tp))
5861 features &= ~NETIF_F_CSUM_MASK;
5864 return vlan_features_check(skb, features);
5867 static void rtl8169_pcierr_interrupt(struct net_device *dev)
5869 struct rtl8169_private *tp = netdev_priv(dev);
5870 struct pci_dev *pdev = tp->pci_dev;
5871 u16 pci_status, pci_cmd;
5873 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
5874 pci_read_config_word(pdev, PCI_STATUS, &pci_status);
5876 netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
5877 pci_cmd, pci_status);
5880 * The recovery sequence below admits a very elaborated explanation:
5881 * - it seems to work;
5882 * - I did not see what else could be done;
5883 * - it makes iop3xx happy.
5885 * Feel free to adjust to your needs.
5887 if (pdev->broken_parity_status)
5888 pci_cmd &= ~PCI_COMMAND_PARITY;
5890 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
5892 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
5894 pci_write_config_word(pdev, PCI_STATUS,
5895 pci_status & (PCI_STATUS_DETECTED_PARITY |
5896 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
5897 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
5899 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5902 static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp,
5905 unsigned int dirty_tx, tx_left, bytes_compl = 0, pkts_compl = 0;
5907 dirty_tx = tp->dirty_tx;
5909 tx_left = tp->cur_tx - dirty_tx;
5911 while (tx_left > 0) {
5912 unsigned int entry = dirty_tx % NUM_TX_DESC;
5913 struct ring_info *tx_skb = tp->tx_skb + entry;
5916 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
5917 if (status & DescOwn)
5920 /* This barrier is needed to keep us from reading
5921 * any other fields out of the Tx descriptor until
5922 * we know the status of DescOwn
5926 rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb,
5927 tp->TxDescArray + entry);
5930 bytes_compl += tx_skb->skb->len;
5931 napi_consume_skb(tx_skb->skb, budget);
5938 if (tp->dirty_tx != dirty_tx) {
5939 netdev_completed_queue(dev, pkts_compl, bytes_compl);
5941 u64_stats_update_begin(&tp->tx_stats.syncp);
5942 tp->tx_stats.packets += pkts_compl;
5943 tp->tx_stats.bytes += bytes_compl;
5944 u64_stats_update_end(&tp->tx_stats.syncp);
5946 tp->dirty_tx = dirty_tx;
5947 /* Sync with rtl8169_start_xmit:
5948 * - publish dirty_tx ring index (write barrier)
5949 * - refresh cur_tx ring index and queue status (read barrier)
5950 * May the current thread miss the stopped queue condition,
5951 * a racing xmit thread can only have a right view of the
5955 if (netif_queue_stopped(dev) &&
5956 rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) {
5957 netif_wake_queue(dev);
5960 * 8168 hack: TxPoll requests are lost when the Tx packets are
5961 * too close. Let's kick an extra TxPoll request when a burst
5962 * of start_xmit activity is detected (if it is not detected,
5963 * it is slow enough). -- FR
5965 if (tp->cur_tx != dirty_tx)
5966 rtl8169_doorbell(tp);
5970 static inline int rtl8169_fragmented_frame(u32 status)
5972 return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
5975 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
5977 u32 status = opts1 & RxProtoMask;
5979 if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
5980 ((status == RxProtoUDP) && !(opts1 & UDPFail)))
5981 skb->ip_summed = CHECKSUM_UNNECESSARY;
5983 skb_checksum_none_assert(skb);
5986 static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget)
5988 unsigned int cur_rx, rx_left;
5991 cur_rx = tp->cur_rx;
5993 for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) {
5994 unsigned int entry = cur_rx % NUM_RX_DESC;
5995 const void *rx_buf = page_address(tp->Rx_databuff[entry]);
5996 struct RxDesc *desc = tp->RxDescArray + entry;
5999 status = le32_to_cpu(desc->opts1);
6000 if (status & DescOwn)
6003 /* This barrier is needed to keep us from reading
6004 * any other fields out of the Rx descriptor until
6005 * we know the status of DescOwn
6009 if (unlikely(status & RxRES)) {
6010 netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
6012 dev->stats.rx_errors++;
6013 if (status & (RxRWT | RxRUNT))
6014 dev->stats.rx_length_errors++;
6016 dev->stats.rx_crc_errors++;
6017 if (status & (RxRUNT | RxCRC) && !(status & RxRWT) &&
6018 dev->features & NETIF_F_RXALL) {
6022 unsigned int pkt_size;
6023 struct sk_buff *skb;
6026 pkt_size = status & GENMASK(13, 0);
6027 if (likely(!(dev->features & NETIF_F_RXFCS)))
6028 pkt_size -= ETH_FCS_LEN;
6030 * The driver does not support incoming fragmented
6031 * frames. They are seen as a symptom of over-mtu
6034 if (unlikely(rtl8169_fragmented_frame(status))) {
6035 dev->stats.rx_dropped++;
6036 dev->stats.rx_length_errors++;
6037 goto release_descriptor;
6040 skb = napi_alloc_skb(&tp->napi, pkt_size);
6041 if (unlikely(!skb)) {
6042 dev->stats.rx_dropped++;
6043 goto release_descriptor;
6046 dma_sync_single_for_cpu(tp_to_dev(tp),
6047 le64_to_cpu(desc->addr),
6048 pkt_size, DMA_FROM_DEVICE);
6050 skb_copy_to_linear_data(skb, rx_buf, pkt_size);
6051 skb->tail += pkt_size;
6052 skb->len = pkt_size;
6054 dma_sync_single_for_device(tp_to_dev(tp),
6055 le64_to_cpu(desc->addr),
6056 pkt_size, DMA_FROM_DEVICE);
6058 rtl8169_rx_csum(skb, status);
6059 skb->protocol = eth_type_trans(skb, dev);
6061 rtl8169_rx_vlan_tag(desc, skb);
6063 if (skb->pkt_type == PACKET_MULTICAST)
6064 dev->stats.multicast++;
6066 napi_gro_receive(&tp->napi, skb);
6068 u64_stats_update_begin(&tp->rx_stats.syncp);
6069 tp->rx_stats.packets++;
6070 tp->rx_stats.bytes += pkt_size;
6071 u64_stats_update_end(&tp->rx_stats.syncp);
6075 rtl8169_mark_to_asic(desc);
6078 count = cur_rx - tp->cur_rx;
6079 tp->cur_rx = cur_rx;
6084 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
6086 struct rtl8169_private *tp = dev_instance;
6087 u32 status = rtl_get_events(tp);
6089 if (!tp->irq_enabled || (status & 0xffff) == 0xffff ||
6090 !(status & tp->irq_mask))
6093 if (unlikely(status & SYSErr)) {
6094 rtl8169_pcierr_interrupt(tp->dev);
6098 if (status & LinkChg)
6099 phy_mac_interrupt(tp->phydev);
6101 if (unlikely(status & RxFIFOOver &&
6102 tp->mac_version == RTL_GIGA_MAC_VER_11)) {
6103 netif_stop_queue(tp->dev);
6104 /* XXX - Hack alert. See rtl_task(). */
6105 set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags);
6108 rtl_irq_disable(tp);
6109 napi_schedule_irqoff(&tp->napi);
6111 rtl_ack_events(tp, status);
6116 static void rtl_task(struct work_struct *work)
6118 static const struct {
6120 void (*action)(struct rtl8169_private *);
6122 { RTL_FLAG_TASK_RESET_PENDING, rtl_reset_work },
6124 struct rtl8169_private *tp =
6125 container_of(work, struct rtl8169_private, wk.work);
6126 struct net_device *dev = tp->dev;
6131 if (!netif_running(dev) ||
6132 !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
6135 for (i = 0; i < ARRAY_SIZE(rtl_work); i++) {
6138 pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags);
6140 rtl_work[i].action(tp);
6144 rtl_unlock_work(tp);
6147 static int rtl8169_poll(struct napi_struct *napi, int budget)
6149 struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
6150 struct net_device *dev = tp->dev;
6153 work_done = rtl_rx(dev, tp, (u32) budget);
6155 rtl_tx(dev, tp, budget);
6157 if (work_done < budget) {
6158 napi_complete_done(napi, work_done);
6165 static void rtl8169_rx_missed(struct net_device *dev)
6167 struct rtl8169_private *tp = netdev_priv(dev);
6169 if (tp->mac_version > RTL_GIGA_MAC_VER_06)
6172 dev->stats.rx_missed_errors += RTL_R32(tp, RxMissed) & 0xffffff;
6173 RTL_W32(tp, RxMissed, 0);
6176 static void r8169_phylink_handler(struct net_device *ndev)
6178 struct rtl8169_private *tp = netdev_priv(ndev);
6180 if (netif_carrier_ok(ndev)) {
6181 rtl_link_chg_patch(tp);
6182 pm_request_resume(&tp->pci_dev->dev);
6184 pm_runtime_idle(&tp->pci_dev->dev);
6187 if (net_ratelimit())
6188 phy_print_status(tp->phydev);
6191 static int r8169_phy_connect(struct rtl8169_private *tp)
6193 struct phy_device *phydev = tp->phydev;
6194 phy_interface_t phy_mode;
6197 phy_mode = tp->supports_gmii ? PHY_INTERFACE_MODE_GMII :
6198 PHY_INTERFACE_MODE_MII;
6200 ret = phy_connect_direct(tp->dev, phydev, r8169_phylink_handler,
6205 if (!tp->supports_gmii)
6206 phy_set_max_speed(phydev, SPEED_100);
6208 phy_support_asym_pause(phydev);
6210 phy_attached_info(phydev);
6215 static void rtl8169_down(struct net_device *dev)
6217 struct rtl8169_private *tp = netdev_priv(dev);
6219 phy_stop(tp->phydev);
6221 napi_disable(&tp->napi);
6222 netif_stop_queue(dev);
6224 rtl8169_hw_reset(tp);
6226 * At this point device interrupts can not be enabled in any function,
6227 * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task)
6228 * and napi is disabled (rtl8169_poll).
6230 rtl8169_rx_missed(dev);
6232 /* Give a racing hard_start_xmit a few cycles to complete. */
6235 rtl8169_tx_clear(tp);
6237 rtl8169_rx_clear(tp);
6239 rtl_pll_power_down(tp);
6242 static int rtl8169_close(struct net_device *dev)
6244 struct rtl8169_private *tp = netdev_priv(dev);
6245 struct pci_dev *pdev = tp->pci_dev;
6247 pm_runtime_get_sync(&pdev->dev);
6249 /* Update counters before going down */
6250 rtl8169_update_counters(tp);
6253 /* Clear all task flags */
6254 bitmap_zero(tp->wk.flags, RTL_FLAG_MAX);
6257 rtl_unlock_work(tp);
6259 cancel_work_sync(&tp->wk.work);
6261 phy_disconnect(tp->phydev);
6263 pci_free_irq(pdev, 0, tp);
6265 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
6267 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
6269 tp->TxDescArray = NULL;
6270 tp->RxDescArray = NULL;
6272 pm_runtime_put_sync(&pdev->dev);
6277 #ifdef CONFIG_NET_POLL_CONTROLLER
6278 static void rtl8169_netpoll(struct net_device *dev)
6280 struct rtl8169_private *tp = netdev_priv(dev);
6282 rtl8169_interrupt(pci_irq_vector(tp->pci_dev, 0), tp);
6286 static int rtl_open(struct net_device *dev)
6288 struct rtl8169_private *tp = netdev_priv(dev);
6289 struct pci_dev *pdev = tp->pci_dev;
6290 int retval = -ENOMEM;
6292 pm_runtime_get_sync(&pdev->dev);
6295 * Rx and Tx descriptors needs 256 bytes alignment.
6296 * dma_alloc_coherent provides more.
6298 tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
6299 &tp->TxPhyAddr, GFP_KERNEL);
6300 if (!tp->TxDescArray)
6301 goto err_pm_runtime_put;
6303 tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
6304 &tp->RxPhyAddr, GFP_KERNEL);
6305 if (!tp->RxDescArray)
6308 retval = rtl8169_init_ring(tp);
6312 rtl_request_firmware(tp);
6314 retval = pci_request_irq(pdev, 0, rtl8169_interrupt, NULL, tp,
6317 goto err_release_fw_2;
6319 retval = r8169_phy_connect(tp);
6325 set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6327 napi_enable(&tp->napi);
6329 rtl8169_init_phy(dev, tp);
6331 rtl_pll_power_up(tp);
6335 if (!rtl8169_init_counter_offsets(tp))
6336 netif_warn(tp, hw, dev, "counter reset/update failed\n");
6338 phy_start(tp->phydev);
6339 netif_start_queue(dev);
6341 rtl_unlock_work(tp);
6343 pm_runtime_put_sync(&pdev->dev);
6348 pci_free_irq(pdev, 0, tp);
6350 rtl_release_firmware(tp);
6351 rtl8169_rx_clear(tp);
6353 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
6355 tp->RxDescArray = NULL;
6357 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
6359 tp->TxDescArray = NULL;
6361 pm_runtime_put_noidle(&pdev->dev);
6366 rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
6368 struct rtl8169_private *tp = netdev_priv(dev);
6369 struct pci_dev *pdev = tp->pci_dev;
6370 struct rtl8169_counters *counters = tp->counters;
6373 pm_runtime_get_noresume(&pdev->dev);
6375 if (netif_running(dev) && pm_runtime_active(&pdev->dev))
6376 rtl8169_rx_missed(dev);
6379 start = u64_stats_fetch_begin_irq(&tp->rx_stats.syncp);
6380 stats->rx_packets = tp->rx_stats.packets;
6381 stats->rx_bytes = tp->rx_stats.bytes;
6382 } while (u64_stats_fetch_retry_irq(&tp->rx_stats.syncp, start));
6385 start = u64_stats_fetch_begin_irq(&tp->tx_stats.syncp);
6386 stats->tx_packets = tp->tx_stats.packets;
6387 stats->tx_bytes = tp->tx_stats.bytes;
6388 } while (u64_stats_fetch_retry_irq(&tp->tx_stats.syncp, start));
6390 stats->rx_dropped = dev->stats.rx_dropped;
6391 stats->tx_dropped = dev->stats.tx_dropped;
6392 stats->rx_length_errors = dev->stats.rx_length_errors;
6393 stats->rx_errors = dev->stats.rx_errors;
6394 stats->rx_crc_errors = dev->stats.rx_crc_errors;
6395 stats->rx_fifo_errors = dev->stats.rx_fifo_errors;
6396 stats->rx_missed_errors = dev->stats.rx_missed_errors;
6397 stats->multicast = dev->stats.multicast;
6400 * Fetch additional counter values missing in stats collected by driver
6401 * from tally counters.
6403 if (pm_runtime_active(&pdev->dev))
6404 rtl8169_update_counters(tp);
6407 * Subtract values fetched during initalization.
6408 * See rtl8169_init_counter_offsets for a description why we do that.
6410 stats->tx_errors = le64_to_cpu(counters->tx_errors) -
6411 le64_to_cpu(tp->tc_offset.tx_errors);
6412 stats->collisions = le32_to_cpu(counters->tx_multi_collision) -
6413 le32_to_cpu(tp->tc_offset.tx_multi_collision);
6414 stats->tx_aborted_errors = le16_to_cpu(counters->tx_aborted) -
6415 le16_to_cpu(tp->tc_offset.tx_aborted);
6417 pm_runtime_put_noidle(&pdev->dev);
6420 static void rtl8169_net_suspend(struct net_device *dev)
6422 struct rtl8169_private *tp = netdev_priv(dev);
6424 if (!netif_running(dev))
6427 phy_stop(tp->phydev);
6428 netif_device_detach(dev);
6431 napi_disable(&tp->napi);
6432 /* Clear all task flags */
6433 bitmap_zero(tp->wk.flags, RTL_FLAG_MAX);
6435 rtl_unlock_work(tp);
6437 rtl_pll_power_down(tp);
6442 static int rtl8169_suspend(struct device *device)
6444 struct net_device *dev = dev_get_drvdata(device);
6445 struct rtl8169_private *tp = netdev_priv(dev);
6447 rtl8169_net_suspend(dev);
6448 clk_disable_unprepare(tp->clk);
6453 static void __rtl8169_resume(struct net_device *dev)
6455 struct rtl8169_private *tp = netdev_priv(dev);
6457 netif_device_attach(dev);
6459 rtl_pll_power_up(tp);
6460 rtl8169_init_phy(dev, tp);
6462 phy_start(tp->phydev);
6465 napi_enable(&tp->napi);
6466 set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6468 rtl_unlock_work(tp);
6471 static int rtl8169_resume(struct device *device)
6473 struct net_device *dev = dev_get_drvdata(device);
6474 struct rtl8169_private *tp = netdev_priv(dev);
6476 rtl_rar_set(tp, dev->dev_addr);
6478 clk_prepare_enable(tp->clk);
6480 if (netif_running(dev))
6481 __rtl8169_resume(dev);
6486 static int rtl8169_runtime_suspend(struct device *device)
6488 struct net_device *dev = dev_get_drvdata(device);
6489 struct rtl8169_private *tp = netdev_priv(dev);
6491 if (!tp->TxDescArray)
6495 __rtl8169_set_wol(tp, WAKE_ANY);
6496 rtl_unlock_work(tp);
6498 rtl8169_net_suspend(dev);
6500 /* Update counters before going runtime suspend */
6501 rtl8169_rx_missed(dev);
6502 rtl8169_update_counters(tp);
6507 static int rtl8169_runtime_resume(struct device *device)
6509 struct net_device *dev = dev_get_drvdata(device);
6510 struct rtl8169_private *tp = netdev_priv(dev);
6512 rtl_rar_set(tp, dev->dev_addr);
6514 if (!tp->TxDescArray)
6518 __rtl8169_set_wol(tp, tp->saved_wolopts);
6519 rtl_unlock_work(tp);
6521 __rtl8169_resume(dev);
6526 static int rtl8169_runtime_idle(struct device *device)
6528 struct net_device *dev = dev_get_drvdata(device);
6530 if (!netif_running(dev) || !netif_carrier_ok(dev))
6531 pm_schedule_suspend(device, 10000);
6536 static const struct dev_pm_ops rtl8169_pm_ops = {
6537 .suspend = rtl8169_suspend,
6538 .resume = rtl8169_resume,
6539 .freeze = rtl8169_suspend,
6540 .thaw = rtl8169_resume,
6541 .poweroff = rtl8169_suspend,
6542 .restore = rtl8169_resume,
6543 .runtime_suspend = rtl8169_runtime_suspend,
6544 .runtime_resume = rtl8169_runtime_resume,
6545 .runtime_idle = rtl8169_runtime_idle,
6548 #define RTL8169_PM_OPS (&rtl8169_pm_ops)
6550 #else /* !CONFIG_PM */
6552 #define RTL8169_PM_OPS NULL
6554 #endif /* !CONFIG_PM */
6556 static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
6558 /* WoL fails with 8168b when the receiver is disabled. */
6559 switch (tp->mac_version) {
6560 case RTL_GIGA_MAC_VER_11:
6561 case RTL_GIGA_MAC_VER_12:
6562 case RTL_GIGA_MAC_VER_17:
6563 pci_clear_master(tp->pci_dev);
6565 RTL_W8(tp, ChipCmd, CmdRxEnb);
6567 RTL_R8(tp, ChipCmd);
6574 static void rtl_shutdown(struct pci_dev *pdev)
6576 struct net_device *dev = pci_get_drvdata(pdev);
6577 struct rtl8169_private *tp = netdev_priv(dev);
6579 rtl8169_net_suspend(dev);
6581 /* Restore original MAC address */
6582 rtl_rar_set(tp, dev->perm_addr);
6584 rtl8169_hw_reset(tp);
6586 if (system_state == SYSTEM_POWER_OFF) {
6587 if (tp->saved_wolopts) {
6588 rtl_wol_suspend_quirk(tp);
6589 rtl_wol_shutdown_quirk(tp);
6592 pci_wake_from_d3(pdev, true);
6593 pci_set_power_state(pdev, PCI_D3hot);
6597 static void rtl_remove_one(struct pci_dev *pdev)
6599 struct net_device *dev = pci_get_drvdata(pdev);
6600 struct rtl8169_private *tp = netdev_priv(dev);
6602 if (r8168_check_dash(tp))
6603 rtl8168_driver_stop(tp);
6605 netif_napi_del(&tp->napi);
6607 unregister_netdev(dev);
6608 mdiobus_unregister(tp->phydev->mdio.bus);
6610 rtl_release_firmware(tp);
6612 if (pci_dev_run_wake(pdev))
6613 pm_runtime_get_noresume(&pdev->dev);
6615 /* restore original MAC address */
6616 rtl_rar_set(tp, dev->perm_addr);
6619 static const struct net_device_ops rtl_netdev_ops = {
6620 .ndo_open = rtl_open,
6621 .ndo_stop = rtl8169_close,
6622 .ndo_get_stats64 = rtl8169_get_stats64,
6623 .ndo_start_xmit = rtl8169_start_xmit,
6624 .ndo_features_check = rtl8169_features_check,
6625 .ndo_tx_timeout = rtl8169_tx_timeout,
6626 .ndo_validate_addr = eth_validate_addr,
6627 .ndo_change_mtu = rtl8169_change_mtu,
6628 .ndo_fix_features = rtl8169_fix_features,
6629 .ndo_set_features = rtl8169_set_features,
6630 .ndo_set_mac_address = rtl_set_mac_address,
6631 .ndo_do_ioctl = rtl8169_ioctl,
6632 .ndo_set_rx_mode = rtl_set_rx_mode,
6633 #ifdef CONFIG_NET_POLL_CONTROLLER
6634 .ndo_poll_controller = rtl8169_netpoll,
6639 static void rtl_set_irq_mask(struct rtl8169_private *tp)
6641 tp->irq_mask = RTL_EVENT_NAPI | LinkChg;
6643 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
6644 tp->irq_mask |= SYSErr | RxOverflow | RxFIFOOver;
6645 else if (tp->mac_version == RTL_GIGA_MAC_VER_11)
6646 /* special workaround needed */
6647 tp->irq_mask |= RxFIFOOver;
6649 tp->irq_mask |= RxOverflow;
6652 static int rtl_alloc_irq(struct rtl8169_private *tp)
6656 switch (tp->mac_version) {
6657 case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06:
6658 rtl_unlock_config_regs(tp);
6659 RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~MSIEnable);
6660 rtl_lock_config_regs(tp);
6662 case RTL_GIGA_MAC_VER_07 ... RTL_GIGA_MAC_VER_24:
6663 flags = PCI_IRQ_LEGACY;
6666 flags = PCI_IRQ_ALL_TYPES;
6670 return pci_alloc_irq_vectors(tp->pci_dev, 1, 1, flags);
6673 static void rtl_read_mac_address(struct rtl8169_private *tp,
6674 u8 mac_addr[ETH_ALEN])
6676 /* Get MAC address */
6677 if (rtl_is_8168evl_up(tp) && tp->mac_version != RTL_GIGA_MAC_VER_34) {
6678 u32 value = rtl_eri_read(tp, 0xe0);
6680 mac_addr[0] = (value >> 0) & 0xff;
6681 mac_addr[1] = (value >> 8) & 0xff;
6682 mac_addr[2] = (value >> 16) & 0xff;
6683 mac_addr[3] = (value >> 24) & 0xff;
6685 value = rtl_eri_read(tp, 0xe4);
6686 mac_addr[4] = (value >> 0) & 0xff;
6687 mac_addr[5] = (value >> 8) & 0xff;
6688 } else if (rtl_is_8125(tp)) {
6689 rtl_read_mac_from_reg(tp, mac_addr, MAC0_BKP);
6693 DECLARE_RTL_COND(rtl_link_list_ready_cond)
6695 return RTL_R8(tp, MCU) & LINK_LIST_RDY;
6698 DECLARE_RTL_COND(rtl_rxtx_empty_cond)
6700 return (RTL_R8(tp, MCU) & RXTX_EMPTY) == RXTX_EMPTY;
6703 static int r8169_mdio_read_reg(struct mii_bus *mii_bus, int phyaddr, int phyreg)
6705 struct rtl8169_private *tp = mii_bus->priv;
6710 return rtl_readphy(tp, phyreg);
6713 static int r8169_mdio_write_reg(struct mii_bus *mii_bus, int phyaddr,
6714 int phyreg, u16 val)
6716 struct rtl8169_private *tp = mii_bus->priv;
6721 rtl_writephy(tp, phyreg, val);
6726 static int r8169_mdio_register(struct rtl8169_private *tp)
6728 struct pci_dev *pdev = tp->pci_dev;
6729 struct mii_bus *new_bus;
6732 new_bus = devm_mdiobus_alloc(&pdev->dev);
6736 new_bus->name = "r8169";
6738 new_bus->parent = &pdev->dev;
6739 new_bus->irq[0] = PHY_IGNORE_INTERRUPT;
6740 snprintf(new_bus->id, MII_BUS_ID_SIZE, "r8169-%x", pci_dev_id(pdev));
6742 new_bus->read = r8169_mdio_read_reg;
6743 new_bus->write = r8169_mdio_write_reg;
6745 ret = mdiobus_register(new_bus);
6749 tp->phydev = mdiobus_get_phy(new_bus, 0);
6751 mdiobus_unregister(new_bus);
6755 /* PHY will be woken up in rtl_open() */
6756 phy_suspend(tp->phydev);
6761 static void rtl_hw_init_8168g(struct rtl8169_private *tp)
6763 tp->ocp_base = OCP_STD_PHY_BASE;
6765 RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN);
6767 if (!rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42))
6770 if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42))
6773 RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) & ~(CmdTxEnb | CmdRxEnb));
6775 RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
6777 r8168_mac_ocp_modify(tp, 0xe8de, BIT(14), 0);
6779 if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
6782 r8168_mac_ocp_modify(tp, 0xe8de, 0, BIT(15));
6784 rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42);
6787 static void rtl_hw_init_8125(struct rtl8169_private *tp)
6789 tp->ocp_base = OCP_STD_PHY_BASE;
6791 RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN);
6793 if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42))
6796 RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) & ~(CmdTxEnb | CmdRxEnb));
6798 RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
6800 r8168_mac_ocp_modify(tp, 0xe8de, BIT(14), 0);
6802 if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
6805 r8168_mac_ocp_write(tp, 0xc0aa, 0x07d0);
6806 r8168_mac_ocp_write(tp, 0xc0a6, 0x0150);
6807 r8168_mac_ocp_write(tp, 0xc01e, 0x5555);
6809 rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42);
6812 static void rtl_hw_initialize(struct rtl8169_private *tp)
6814 switch (tp->mac_version) {
6815 case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_51:
6816 rtl8168ep_stop_cmac(tp);
6818 case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48:
6819 rtl_hw_init_8168g(tp);
6821 case RTL_GIGA_MAC_VER_60 ... RTL_GIGA_MAC_VER_61:
6822 rtl_hw_init_8125(tp);
6829 static int rtl_jumbo_max(struct rtl8169_private *tp)
6831 /* Non-GBit versions don't support jumbo frames */
6832 if (!tp->supports_gmii)
6835 switch (tp->mac_version) {
6837 case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06:
6840 case RTL_GIGA_MAC_VER_11:
6841 case RTL_GIGA_MAC_VER_12:
6842 case RTL_GIGA_MAC_VER_17:
6845 case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24:
6852 static void rtl_disable_clk(void *data)
6854 clk_disable_unprepare(data);
6857 static int rtl_get_ether_clk(struct rtl8169_private *tp)
6859 struct device *d = tp_to_dev(tp);
6863 clk = devm_clk_get(d, "ether_clk");
6867 /* clk-core allows NULL (for suspend / resume) */
6869 else if (rc != -EPROBE_DEFER)
6870 dev_err(d, "failed to get clk: %d\n", rc);
6873 rc = clk_prepare_enable(clk);
6875 dev_err(d, "failed to enable clk: %d\n", rc);
6877 rc = devm_add_action_or_reset(d, rtl_disable_clk, clk);
6883 static void rtl_init_mac_address(struct rtl8169_private *tp)
6885 struct net_device *dev = tp->dev;
6886 u8 *mac_addr = dev->dev_addr;
6889 rc = eth_platform_get_mac_address(tp_to_dev(tp), mac_addr);
6893 rtl_read_mac_address(tp, mac_addr);
6894 if (is_valid_ether_addr(mac_addr))
6897 rtl_read_mac_from_reg(tp, mac_addr, MAC0);
6898 if (is_valid_ether_addr(mac_addr))
6901 eth_hw_addr_random(dev);
6902 dev_warn(tp_to_dev(tp), "can't read MAC address, setting random one\n");
6904 rtl_rar_set(tp, mac_addr);
6907 static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
6909 struct rtl8169_private *tp;
6910 struct net_device *dev;
6911 int chipset, region;
6914 dev = devm_alloc_etherdev(&pdev->dev, sizeof (*tp));
6918 SET_NETDEV_DEV(dev, &pdev->dev);
6919 dev->netdev_ops = &rtl_netdev_ops;
6920 tp = netdev_priv(dev);
6923 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
6924 tp->supports_gmii = ent->driver_data == RTL_CFG_NO_GBIT ? 0 : 1;
6926 /* Get the *optional* external "ether_clk" used on some boards */
6927 rc = rtl_get_ether_clk(tp);
6931 /* Disable ASPM completely as that cause random device stop working
6932 * problems as well as full system hangs for some PCIe devices users.
6934 rc = pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S |
6935 PCIE_LINK_STATE_L1);
6936 tp->aspm_manageable = !rc;
6938 /* enable device (incl. PCI PM wakeup and hotplug setup) */
6939 rc = pcim_enable_device(pdev);
6941 dev_err(&pdev->dev, "enable failure\n");
6945 if (pcim_set_mwi(pdev) < 0)
6946 dev_info(&pdev->dev, "Mem-Wr-Inval unavailable\n");
6948 /* use first MMIO region */
6949 region = ffs(pci_select_bars(pdev, IORESOURCE_MEM)) - 1;
6951 dev_err(&pdev->dev, "no MMIO resource found\n");
6955 /* check for weird/broken PCI region reporting */
6956 if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
6957 dev_err(&pdev->dev, "Invalid PCI region size(s), aborting\n");
6961 rc = pcim_iomap_regions(pdev, BIT(region), MODULENAME);
6963 dev_err(&pdev->dev, "cannot remap MMIO, aborting\n");
6967 tp->mmio_addr = pcim_iomap_table(pdev)[region];
6969 /* Identify chip attached to board */
6970 rtl8169_get_mac_version(tp);
6971 if (tp->mac_version == RTL_GIGA_MAC_NONE)
6974 tp->cp_cmd = RTL_R16(tp, CPlusCmd);
6976 if (sizeof(dma_addr_t) > 4 && tp->mac_version >= RTL_GIGA_MAC_VER_18 &&
6977 !dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)))
6978 dev->features |= NETIF_F_HIGHDMA;
6982 rtl8169_irq_mask_and_ack(tp);
6984 rtl_hw_initialize(tp);
6988 pci_set_master(pdev);
6990 chipset = tp->mac_version;
6992 rc = rtl_alloc_irq(tp);
6994 dev_err(&pdev->dev, "Can't allocate interrupt\n");
6998 mutex_init(&tp->wk.mutex);
6999 INIT_WORK(&tp->wk.work, rtl_task);
7000 u64_stats_init(&tp->rx_stats.syncp);
7001 u64_stats_init(&tp->tx_stats.syncp);
7003 rtl_init_mac_address(tp);
7005 dev->ethtool_ops = &rtl8169_ethtool_ops;
7007 netif_napi_add(dev, &tp->napi, rtl8169_poll, NAPI_POLL_WEIGHT);
7009 dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
7010 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
7011 NETIF_F_HW_VLAN_CTAG_RX;
7012 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
7013 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
7014 NETIF_F_HW_VLAN_CTAG_RX;
7015 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
7017 dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
7019 tp->cp_cmd |= RxChkSum | RxVlan;
7022 * Pretend we are using VLANs; This bypasses a nasty bug where
7023 * Interrupts stop flowing on high load on 8110SCd controllers.
7025 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
7026 /* Disallow toggling */
7027 dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
7029 if (rtl_chip_supports_csum_v2(tp)) {
7030 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
7031 dev->features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
7032 dev->gso_max_size = RTL_GSO_MAX_SIZE_V2;
7033 dev->gso_max_segs = RTL_GSO_MAX_SEGS_V2;
7035 dev->gso_max_size = RTL_GSO_MAX_SIZE_V1;
7036 dev->gso_max_segs = RTL_GSO_MAX_SEGS_V1;
7039 /* RTL8168e-vl has a HW issue with TSO */
7040 if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
7041 dev->vlan_features &= ~(NETIF_F_ALL_TSO | NETIF_F_SG);
7042 dev->hw_features &= ~(NETIF_F_ALL_TSO | NETIF_F_SG);
7043 dev->features &= ~(NETIF_F_ALL_TSO | NETIF_F_SG);
7046 dev->hw_features |= NETIF_F_RXALL;
7047 dev->hw_features |= NETIF_F_RXFCS;
7049 /* MTU range: 60 - hw-specific max */
7050 dev->min_mtu = ETH_ZLEN;
7051 jumbo_max = rtl_jumbo_max(tp);
7052 dev->max_mtu = jumbo_max;
7054 rtl_set_irq_mask(tp);
7056 tp->fw_name = rtl_chip_infos[chipset].fw_name;
7058 tp->counters = dmam_alloc_coherent (&pdev->dev, sizeof(*tp->counters),
7059 &tp->counters_phys_addr,
7064 pci_set_drvdata(pdev, dev);
7066 rc = r8169_mdio_register(tp);
7070 /* chip gets powered up in rtl_open() */
7071 rtl_pll_power_down(tp);
7073 rc = register_netdev(dev);
7075 goto err_mdio_unregister;
7077 netif_info(tp, probe, dev, "%s, %pM, XID %03x, IRQ %d\n",
7078 rtl_chip_infos[chipset].name, dev->dev_addr,
7079 (RTL_R32(tp, TxConfig) >> 20) & 0xfcf,
7080 pci_irq_vector(pdev, 0));
7082 if (jumbo_max > JUMBO_1K)
7083 netif_info(tp, probe, dev,
7084 "jumbo features [frames: %d bytes, tx checksumming: %s]\n",
7085 jumbo_max, tp->mac_version <= RTL_GIGA_MAC_VER_06 ?
7088 if (r8168_check_dash(tp))
7089 rtl8168_driver_start(tp);
7091 if (pci_dev_run_wake(pdev))
7092 pm_runtime_put_sync(&pdev->dev);
7096 err_mdio_unregister:
7097 mdiobus_unregister(tp->phydev->mdio.bus);
7101 static struct pci_driver rtl8169_pci_driver = {
7103 .id_table = rtl8169_pci_tbl,
7104 .probe = rtl_init_one,
7105 .remove = rtl_remove_one,
7106 .shutdown = rtl_shutdown,
7107 .driver.pm = RTL8169_PM_OPS,
7110 module_pci_driver(rtl8169_pci_driver);