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/pci.h>
14 #include <linux/netdevice.h>
15 #include <linux/etherdevice.h>
16 #include <linux/clk.h>
17 #include <linux/delay.h>
18 #include <linux/ethtool.h>
19 #include <linux/phy.h>
20 #include <linux/if_vlan.h>
24 #include <linux/tcp.h>
25 #include <linux/interrupt.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/pm_runtime.h>
28 #include <linux/bitfield.h>
29 #include <linux/prefetch.h>
30 #include <linux/ipv6.h>
31 #include <net/ip6_checksum.h>
34 #include "r8169_firmware.h"
36 #define MODULENAME "r8169"
38 #define FIRMWARE_8168D_1 "rtl_nic/rtl8168d-1.fw"
39 #define FIRMWARE_8168D_2 "rtl_nic/rtl8168d-2.fw"
40 #define FIRMWARE_8168E_1 "rtl_nic/rtl8168e-1.fw"
41 #define FIRMWARE_8168E_2 "rtl_nic/rtl8168e-2.fw"
42 #define FIRMWARE_8168E_3 "rtl_nic/rtl8168e-3.fw"
43 #define FIRMWARE_8168F_1 "rtl_nic/rtl8168f-1.fw"
44 #define FIRMWARE_8168F_2 "rtl_nic/rtl8168f-2.fw"
45 #define FIRMWARE_8105E_1 "rtl_nic/rtl8105e-1.fw"
46 #define FIRMWARE_8402_1 "rtl_nic/rtl8402-1.fw"
47 #define FIRMWARE_8411_1 "rtl_nic/rtl8411-1.fw"
48 #define FIRMWARE_8411_2 "rtl_nic/rtl8411-2.fw"
49 #define FIRMWARE_8106E_1 "rtl_nic/rtl8106e-1.fw"
50 #define FIRMWARE_8106E_2 "rtl_nic/rtl8106e-2.fw"
51 #define FIRMWARE_8168G_2 "rtl_nic/rtl8168g-2.fw"
52 #define FIRMWARE_8168G_3 "rtl_nic/rtl8168g-3.fw"
53 #define FIRMWARE_8168H_1 "rtl_nic/rtl8168h-1.fw"
54 #define FIRMWARE_8168H_2 "rtl_nic/rtl8168h-2.fw"
55 #define FIRMWARE_8168FP_3 "rtl_nic/rtl8168fp-3.fw"
56 #define FIRMWARE_8107E_1 "rtl_nic/rtl8107e-1.fw"
57 #define FIRMWARE_8107E_2 "rtl_nic/rtl8107e-2.fw"
58 #define FIRMWARE_8125A_3 "rtl_nic/rtl8125a-3.fw"
59 #define FIRMWARE_8125B_2 "rtl_nic/rtl8125b-2.fw"
61 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
62 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
63 #define MC_FILTER_LIMIT 32
65 #define TX_DMA_BURST 7 /* Maximum PCI burst, '7' is unlimited */
66 #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
68 #define R8169_REGS_SIZE 256
69 #define R8169_RX_BUF_SIZE (SZ_16K - 1)
70 #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */
71 #define NUM_RX_DESC 256U /* Number of Rx descriptor registers */
72 #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
73 #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
75 #define OCP_STD_PHY_BASE 0xa400
77 #define RTL_CFG_NO_GBIT 1
79 /* write/read MMIO register */
80 #define RTL_W8(tp, reg, val8) writeb((val8), tp->mmio_addr + (reg))
81 #define RTL_W16(tp, reg, val16) writew((val16), tp->mmio_addr + (reg))
82 #define RTL_W32(tp, reg, val32) writel((val32), tp->mmio_addr + (reg))
83 #define RTL_R8(tp, reg) readb(tp->mmio_addr + (reg))
84 #define RTL_R16(tp, reg) readw(tp->mmio_addr + (reg))
85 #define RTL_R32(tp, reg) readl(tp->mmio_addr + (reg))
87 #define JUMBO_4K (4 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN)
88 #define JUMBO_6K (6 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN)
89 #define JUMBO_7K (7 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN)
90 #define JUMBO_9K (9 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN)
95 } rtl_chip_infos
[] = {
97 [RTL_GIGA_MAC_VER_02
] = {"RTL8169s" },
98 [RTL_GIGA_MAC_VER_03
] = {"RTL8110s" },
99 [RTL_GIGA_MAC_VER_04
] = {"RTL8169sb/8110sb" },
100 [RTL_GIGA_MAC_VER_05
] = {"RTL8169sc/8110sc" },
101 [RTL_GIGA_MAC_VER_06
] = {"RTL8169sc/8110sc" },
103 [RTL_GIGA_MAC_VER_07
] = {"RTL8102e" },
104 [RTL_GIGA_MAC_VER_08
] = {"RTL8102e" },
105 [RTL_GIGA_MAC_VER_09
] = {"RTL8102e/RTL8103e" },
106 [RTL_GIGA_MAC_VER_10
] = {"RTL8101e" },
107 [RTL_GIGA_MAC_VER_11
] = {"RTL8168b/8111b" },
108 [RTL_GIGA_MAC_VER_12
] = {"RTL8168b/8111b" },
109 [RTL_GIGA_MAC_VER_13
] = {"RTL8101e/RTL8100e" },
110 [RTL_GIGA_MAC_VER_14
] = {"RTL8401" },
111 [RTL_GIGA_MAC_VER_16
] = {"RTL8101e" },
112 [RTL_GIGA_MAC_VER_17
] = {"RTL8168b/8111b" },
113 [RTL_GIGA_MAC_VER_18
] = {"RTL8168cp/8111cp" },
114 [RTL_GIGA_MAC_VER_19
] = {"RTL8168c/8111c" },
115 [RTL_GIGA_MAC_VER_20
] = {"RTL8168c/8111c" },
116 [RTL_GIGA_MAC_VER_21
] = {"RTL8168c/8111c" },
117 [RTL_GIGA_MAC_VER_22
] = {"RTL8168c/8111c" },
118 [RTL_GIGA_MAC_VER_23
] = {"RTL8168cp/8111cp" },
119 [RTL_GIGA_MAC_VER_24
] = {"RTL8168cp/8111cp" },
120 [RTL_GIGA_MAC_VER_25
] = {"RTL8168d/8111d", FIRMWARE_8168D_1
},
121 [RTL_GIGA_MAC_VER_26
] = {"RTL8168d/8111d", FIRMWARE_8168D_2
},
122 [RTL_GIGA_MAC_VER_27
] = {"RTL8168dp/8111dp" },
123 [RTL_GIGA_MAC_VER_28
] = {"RTL8168dp/8111dp" },
124 [RTL_GIGA_MAC_VER_29
] = {"RTL8105e", FIRMWARE_8105E_1
},
125 [RTL_GIGA_MAC_VER_30
] = {"RTL8105e", FIRMWARE_8105E_1
},
126 [RTL_GIGA_MAC_VER_31
] = {"RTL8168dp/8111dp" },
127 [RTL_GIGA_MAC_VER_32
] = {"RTL8168e/8111e", FIRMWARE_8168E_1
},
128 [RTL_GIGA_MAC_VER_33
] = {"RTL8168e/8111e", FIRMWARE_8168E_2
},
129 [RTL_GIGA_MAC_VER_34
] = {"RTL8168evl/8111evl", FIRMWARE_8168E_3
},
130 [RTL_GIGA_MAC_VER_35
] = {"RTL8168f/8111f", FIRMWARE_8168F_1
},
131 [RTL_GIGA_MAC_VER_36
] = {"RTL8168f/8111f", FIRMWARE_8168F_2
},
132 [RTL_GIGA_MAC_VER_37
] = {"RTL8402", FIRMWARE_8402_1
},
133 [RTL_GIGA_MAC_VER_38
] = {"RTL8411", FIRMWARE_8411_1
},
134 [RTL_GIGA_MAC_VER_39
] = {"RTL8106e", FIRMWARE_8106E_1
},
135 [RTL_GIGA_MAC_VER_40
] = {"RTL8168g/8111g", FIRMWARE_8168G_2
},
136 [RTL_GIGA_MAC_VER_41
] = {"RTL8168g/8111g" },
137 [RTL_GIGA_MAC_VER_42
] = {"RTL8168gu/8111gu", FIRMWARE_8168G_3
},
138 [RTL_GIGA_MAC_VER_43
] = {"RTL8106eus", FIRMWARE_8106E_2
},
139 [RTL_GIGA_MAC_VER_44
] = {"RTL8411b", FIRMWARE_8411_2
},
140 [RTL_GIGA_MAC_VER_45
] = {"RTL8168h/8111h", FIRMWARE_8168H_1
},
141 [RTL_GIGA_MAC_VER_46
] = {"RTL8168h/8111h", FIRMWARE_8168H_2
},
142 [RTL_GIGA_MAC_VER_47
] = {"RTL8107e", FIRMWARE_8107E_1
},
143 [RTL_GIGA_MAC_VER_48
] = {"RTL8107e", FIRMWARE_8107E_2
},
144 [RTL_GIGA_MAC_VER_49
] = {"RTL8168ep/8111ep" },
145 [RTL_GIGA_MAC_VER_50
] = {"RTL8168ep/8111ep" },
146 [RTL_GIGA_MAC_VER_51
] = {"RTL8168ep/8111ep" },
147 [RTL_GIGA_MAC_VER_52
] = {"RTL8168fp/RTL8117", FIRMWARE_8168FP_3
},
148 [RTL_GIGA_MAC_VER_60
] = {"RTL8125A" },
149 [RTL_GIGA_MAC_VER_61
] = {"RTL8125A", FIRMWARE_8125A_3
},
150 /* reserve 62 for CFG_METHOD_4 in the vendor driver */
151 [RTL_GIGA_MAC_VER_63
] = {"RTL8125B", FIRMWARE_8125B_2
},
154 static const struct pci_device_id rtl8169_pci_tbl
[] = {
155 { PCI_VDEVICE(REALTEK
, 0x2502) },
156 { PCI_VDEVICE(REALTEK
, 0x2600) },
157 { PCI_VDEVICE(REALTEK
, 0x8129) },
158 { PCI_VDEVICE(REALTEK
, 0x8136), RTL_CFG_NO_GBIT
},
159 { PCI_VDEVICE(REALTEK
, 0x8161) },
160 { PCI_VDEVICE(REALTEK
, 0x8167) },
161 { PCI_VDEVICE(REALTEK
, 0x8168) },
162 { PCI_VDEVICE(NCUBE
, 0x8168) },
163 { PCI_VDEVICE(REALTEK
, 0x8169) },
164 { PCI_VENDOR_ID_DLINK
, 0x4300,
165 PCI_VENDOR_ID_DLINK
, 0x4b10, 0, 0 },
166 { PCI_VDEVICE(DLINK
, 0x4300) },
167 { PCI_VDEVICE(DLINK
, 0x4302) },
168 { PCI_VDEVICE(AT
, 0xc107) },
169 { PCI_VDEVICE(USR
, 0x0116) },
170 { PCI_VENDOR_ID_LINKSYS
, 0x1032, PCI_ANY_ID
, 0x0024 },
171 { 0x0001, 0x8168, PCI_ANY_ID
, 0x2410 },
172 { PCI_VDEVICE(REALTEK
, 0x8125) },
173 { PCI_VDEVICE(REALTEK
, 0x3000) },
177 MODULE_DEVICE_TABLE(pci
, rtl8169_pci_tbl
);
180 MAC0
= 0, /* Ethernet hardware address. */
182 MAR0
= 8, /* Multicast filter. */
183 CounterAddrLow
= 0x10,
184 CounterAddrHigh
= 0x14,
185 TxDescStartAddrLow
= 0x20,
186 TxDescStartAddrHigh
= 0x24,
187 TxHDescStartAddrLow
= 0x28,
188 TxHDescStartAddrHigh
= 0x2c,
197 #define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */
198 #define TXCFG_EMPTY (1 << 11) /* 8111e-vl */
201 #define RX128_INT_EN (1 << 15) /* 8111c and later */
202 #define RX_MULTI_EN (1 << 14) /* 8111c only */
203 #define RXCFG_FIFO_SHIFT 13
204 /* No threshold before first PCI xfer */
205 #define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT)
206 #define RX_EARLY_OFF (1 << 11)
207 #define RXCFG_DMA_SHIFT 8
208 /* Unlimited maximum PCI burst. */
209 #define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT)
215 #define PME_SIGNAL (1 << 5) /* 8168c and later */
226 #define RTL_COALESCE_TX_USECS GENMASK(15, 12)
227 #define RTL_COALESCE_TX_FRAMES GENMASK(11, 8)
228 #define RTL_COALESCE_RX_USECS GENMASK(7, 4)
229 #define RTL_COALESCE_RX_FRAMES GENMASK(3, 0)
231 #define RTL_COALESCE_T_MAX 0x0fU
232 #define RTL_COALESCE_FRAME_MAX (RTL_COALESCE_T_MAX * 4)
234 RxDescAddrLow
= 0xe4,
235 RxDescAddrHigh
= 0xe8,
236 EarlyTxThres
= 0xec, /* 8169. Unit of 32 bytes. */
238 #define NoEarlyTx 0x3f /* Max value : no early transmit. */
240 MaxTxPacketSize
= 0xec, /* 8101/8168. Unit of 128 bytes. */
242 #define TxPacketMax (8064 >> 7)
243 #define EarlySize 0x27
246 FuncEventMask
= 0xf4,
247 FuncPresetState
= 0xf8,
252 FuncForceEvent
= 0xfc,
255 enum rtl8168_8101_registers
{
258 #define CSIAR_FLAG 0x80000000
259 #define CSIAR_WRITE_CMD 0x80000000
260 #define CSIAR_BYTE_ENABLE 0x0000f000
261 #define CSIAR_ADDR_MASK 0x00000fff
264 #define EPHYAR_FLAG 0x80000000
265 #define EPHYAR_WRITE_CMD 0x80000000
266 #define EPHYAR_REG_MASK 0x1f
267 #define EPHYAR_REG_SHIFT 16
268 #define EPHYAR_DATA_MASK 0xffff
270 #define PFM_EN (1 << 6)
271 #define TX_10M_PS_EN (1 << 7)
273 #define FIX_NAK_1 (1 << 4)
274 #define FIX_NAK_2 (1 << 3)
277 #define NOW_IS_OOB (1 << 7)
278 #define TX_EMPTY (1 << 5)
279 #define RX_EMPTY (1 << 4)
280 #define RXTX_EMPTY (TX_EMPTY | RX_EMPTY)
281 #define EN_NDP (1 << 3)
282 #define EN_OOB_RESET (1 << 2)
283 #define LINK_LIST_RDY (1 << 1)
285 #define EFUSEAR_FLAG 0x80000000
286 #define EFUSEAR_WRITE_CMD 0x80000000
287 #define EFUSEAR_READ_CMD 0x00000000
288 #define EFUSEAR_REG_MASK 0x03ff
289 #define EFUSEAR_REG_SHIFT 8
290 #define EFUSEAR_DATA_MASK 0xff
292 #define PFM_D3COLD_EN (1 << 6)
295 enum rtl8168_registers
{
300 #define ERIAR_FLAG 0x80000000
301 #define ERIAR_WRITE_CMD 0x80000000
302 #define ERIAR_READ_CMD 0x00000000
303 #define ERIAR_ADDR_BYTE_ALIGN 4
304 #define ERIAR_TYPE_SHIFT 16
305 #define ERIAR_EXGMAC (0x00 << ERIAR_TYPE_SHIFT)
306 #define ERIAR_MSIX (0x01 << ERIAR_TYPE_SHIFT)
307 #define ERIAR_ASF (0x02 << ERIAR_TYPE_SHIFT)
308 #define ERIAR_OOB (0x02 << ERIAR_TYPE_SHIFT)
309 #define ERIAR_MASK_SHIFT 12
310 #define ERIAR_MASK_0001 (0x1 << ERIAR_MASK_SHIFT)
311 #define ERIAR_MASK_0011 (0x3 << ERIAR_MASK_SHIFT)
312 #define ERIAR_MASK_0100 (0x4 << ERIAR_MASK_SHIFT)
313 #define ERIAR_MASK_0101 (0x5 << ERIAR_MASK_SHIFT)
314 #define ERIAR_MASK_1111 (0xf << ERIAR_MASK_SHIFT)
315 EPHY_RXER_NUM
= 0x7c,
316 OCPDR
= 0xb0, /* OCP GPHY access */
317 #define OCPDR_WRITE_CMD 0x80000000
318 #define OCPDR_READ_CMD 0x00000000
319 #define OCPDR_REG_MASK 0x7f
320 #define OCPDR_GPHY_REG_SHIFT 16
321 #define OCPDR_DATA_MASK 0xffff
323 #define OCPAR_FLAG 0x80000000
324 #define OCPAR_GPHY_WRITE_CMD 0x8000f060
325 #define OCPAR_GPHY_READ_CMD 0x0000f060
327 RDSAR1
= 0xd0, /* 8168c only. Undocumented on 8168dp */
328 MISC
= 0xf0, /* 8168e only. */
329 #define TXPLA_RST (1 << 29)
330 #define DISABLE_LAN_EN (1 << 23) /* Enable GPIO pin */
331 #define PWM_EN (1 << 22)
332 #define RXDV_GATED_EN (1 << 19)
333 #define EARLY_TALLY_EN (1 << 16)
336 enum rtl8125_registers
{
337 IntrMask_8125
= 0x38,
338 IntrStatus_8125
= 0x3c,
341 EEE_TXIDLE_TIMER_8125
= 0x6048,
344 #define RX_VLAN_INNER_8125 BIT(22)
345 #define RX_VLAN_OUTER_8125 BIT(23)
346 #define RX_VLAN_8125 (RX_VLAN_INNER_8125 | RX_VLAN_OUTER_8125)
348 #define RX_FETCH_DFLT_8125 (8 << 27)
350 enum rtl_register_content
{
351 /* InterruptStatusBits */
355 TxDescUnavail
= 0x0080,
377 /* TXPoll register p.5 */
378 HPQ
= 0x80, /* Poll cmd on the high prio queue */
379 NPQ
= 0x40, /* Poll cmd on the low prio queue */
380 FSWInt
= 0x01, /* Forced software interrupt */
384 Cfg9346_Unlock
= 0xc0,
389 #define RX_CONFIG_ACCEPT_ERR_MASK 0x30
390 AcceptBroadcast
= 0x08,
391 AcceptMulticast
= 0x04,
393 AcceptAllPhys
= 0x01,
394 #define RX_CONFIG_ACCEPT_OK_MASK 0x0f
395 #define RX_CONFIG_ACCEPT_MASK 0x3f
398 TxInterFrameGapShift
= 24,
399 TxDMAShift
= 8, /* DMA burst value (0-7) is shift this many bits */
401 /* Config1 register p.24 */
404 Speed_down
= (1 << 4),
408 PMEnable
= (1 << 0), /* Power Management Enable */
410 /* Config2 register p. 25 */
411 ClkReqEn
= (1 << 7), /* Clock Request Enable */
412 MSIEnable
= (1 << 5), /* 8169 only. Reserved in the 8168. */
413 PCI_Clock_66MHz
= 0x01,
414 PCI_Clock_33MHz
= 0x00,
416 /* Config3 register p.25 */
417 MagicPacket
= (1 << 5), /* Wake up when receives a Magic Packet */
418 LinkUp
= (1 << 4), /* Wake up when the cable connection is re-established */
419 Jumbo_En0
= (1 << 2), /* 8168 only. Reserved in the 8168b */
420 Rdy_to_L23
= (1 << 1), /* L23 Enable */
421 Beacon_en
= (1 << 0), /* 8168 only. Reserved in the 8168b */
423 /* Config4 register */
424 Jumbo_En1
= (1 << 1), /* 8168 only. Reserved in the 8168b */
426 /* Config5 register p.27 */
427 BWF
= (1 << 6), /* Accept Broadcast wakeup frame */
428 MWF
= (1 << 5), /* Accept Multicast wakeup frame */
429 UWF
= (1 << 4), /* Accept Unicast wakeup frame */
431 LanWake
= (1 << 1), /* LanWake enable/disable */
432 PMEStatus
= (1 << 0), /* PME status can be reset by PCI RST# */
433 ASPM_en
= (1 << 0), /* ASPM enable */
436 EnableBist
= (1 << 15), // 8168 8101
437 Mac_dbgo_oe
= (1 << 14), // 8168 8101
438 EnAnaPLL
= (1 << 14), // 8169
439 Normal_mode
= (1 << 13), // unused
440 Force_half_dup
= (1 << 12), // 8168 8101
441 Force_rxflow_en
= (1 << 11), // 8168 8101
442 Force_txflow_en
= (1 << 10), // 8168 8101
443 Cxpl_dbg_sel
= (1 << 9), // 8168 8101
444 ASF
= (1 << 8), // 8168 8101
445 PktCntrDisable
= (1 << 7), // 8168 8101
446 Mac_dbgo_sel
= 0x001c, // 8168
451 #define INTT_MASK GENMASK(1, 0)
452 #define CPCMD_MASK (Normal_mode | RxVlan | RxChkSum | INTT_MASK)
454 /* rtl8169_PHYstatus */
464 /* ResetCounterCommand */
467 /* DumpCounterCommand */
470 /* magic enable v2 */
471 MagicPacket_v2
= (1 << 16), /* Wake up when receives a Magic Packet */
475 /* First doubleword. */
476 DescOwn
= (1 << 31), /* Descriptor is owned by NIC */
477 RingEnd
= (1 << 30), /* End of descriptor ring */
478 FirstFrag
= (1 << 29), /* First segment of a packet */
479 LastFrag
= (1 << 28), /* Final segment of a packet */
483 enum rtl_tx_desc_bit
{
484 /* First doubleword. */
485 TD_LSO
= (1 << 27), /* Large Send Offload */
486 #define TD_MSS_MAX 0x07ffu /* MSS value */
488 /* Second doubleword. */
489 TxVlanTag
= (1 << 17), /* Add VLAN tag */
492 /* 8169, 8168b and 810x except 8102e. */
493 enum rtl_tx_desc_bit_0
{
494 /* First doubleword. */
495 #define TD0_MSS_SHIFT 16 /* MSS position (11 bits) */
496 TD0_TCP_CS
= (1 << 16), /* Calculate TCP/IP checksum */
497 TD0_UDP_CS
= (1 << 17), /* Calculate UDP/IP checksum */
498 TD0_IP_CS
= (1 << 18), /* Calculate IP checksum */
501 /* 8102e, 8168c and beyond. */
502 enum rtl_tx_desc_bit_1
{
503 /* First doubleword. */
504 TD1_GTSENV4
= (1 << 26), /* Giant Send for IPv4 */
505 TD1_GTSENV6
= (1 << 25), /* Giant Send for IPv6 */
506 #define GTTCPHO_SHIFT 18
507 #define GTTCPHO_MAX 0x7f
509 /* Second doubleword. */
510 #define TCPHO_SHIFT 18
511 #define TCPHO_MAX 0x3ff
512 #define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */
513 TD1_IPv6_CS
= (1 << 28), /* Calculate IPv6 checksum */
514 TD1_IPv4_CS
= (1 << 29), /* Calculate IPv4 checksum */
515 TD1_TCP_CS
= (1 << 30), /* Calculate TCP/IP checksum */
516 TD1_UDP_CS
= (1 << 31), /* Calculate UDP/IP checksum */
519 enum rtl_rx_desc_bit
{
521 PID1
= (1 << 18), /* Protocol ID bit 1/2 */
522 PID0
= (1 << 17), /* Protocol ID bit 0/2 */
524 #define RxProtoUDP (PID1)
525 #define RxProtoTCP (PID0)
526 #define RxProtoIP (PID1 | PID0)
527 #define RxProtoMask RxProtoIP
529 IPFail
= (1 << 16), /* IP checksum failed */
530 UDPFail
= (1 << 15), /* UDP/IP checksum failed */
531 TCPFail
= (1 << 14), /* TCP/IP checksum failed */
532 RxVlanTag
= (1 << 16), /* VLAN tag available */
535 #define RTL_GSO_MAX_SIZE_V1 32000
536 #define RTL_GSO_MAX_SEGS_V1 24
537 #define RTL_GSO_MAX_SIZE_V2 64000
538 #define RTL_GSO_MAX_SEGS_V2 64
557 struct rtl8169_counters
{
564 __le32 tx_one_collision
;
565 __le32 tx_multi_collision
;
573 struct rtl8169_tc_offsets
{
576 __le32 tx_multi_collision
;
582 RTL_FLAG_TASK_ENABLED
= 0,
583 RTL_FLAG_TASK_RESET_PENDING
,
587 struct rtl8169_stats
{
590 struct u64_stats_sync syncp
;
593 struct rtl8169_private
{
594 void __iomem
*mmio_addr
; /* memory map physical address */
595 struct pci_dev
*pci_dev
;
596 struct net_device
*dev
;
597 struct phy_device
*phydev
;
598 struct napi_struct napi
;
599 enum mac_version mac_version
;
600 u32 cur_rx
; /* Index into the Rx descriptor buffer of next Rx pkt. */
601 u32 cur_tx
; /* Index into the Tx descriptor buffer of next Rx pkt. */
603 struct rtl8169_stats rx_stats
;
604 struct rtl8169_stats tx_stats
;
605 struct TxDesc
*TxDescArray
; /* 256-aligned Tx descriptor ring */
606 struct RxDesc
*RxDescArray
; /* 256-aligned Rx descriptor ring */
607 dma_addr_t TxPhyAddr
;
608 dma_addr_t RxPhyAddr
;
609 struct page
*Rx_databuff
[NUM_RX_DESC
]; /* Rx data buffers */
610 struct ring_info tx_skb
[NUM_TX_DESC
]; /* Tx data buffers */
616 DECLARE_BITMAP(flags
, RTL_FLAG_MAX
);
617 struct work_struct work
;
620 unsigned supports_gmii
:1;
621 unsigned aspm_manageable
:1;
622 dma_addr_t counters_phys_addr
;
623 struct rtl8169_counters
*counters
;
624 struct rtl8169_tc_offsets tc_offset
;
629 struct rtl_fw
*rtl_fw
;
634 typedef void (*rtl_generic_fct
)(struct rtl8169_private
*tp
);
636 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
637 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
638 MODULE_SOFTDEP("pre: realtek");
639 MODULE_LICENSE("GPL");
640 MODULE_FIRMWARE(FIRMWARE_8168D_1
);
641 MODULE_FIRMWARE(FIRMWARE_8168D_2
);
642 MODULE_FIRMWARE(FIRMWARE_8168E_1
);
643 MODULE_FIRMWARE(FIRMWARE_8168E_2
);
644 MODULE_FIRMWARE(FIRMWARE_8168E_3
);
645 MODULE_FIRMWARE(FIRMWARE_8105E_1
);
646 MODULE_FIRMWARE(FIRMWARE_8168F_1
);
647 MODULE_FIRMWARE(FIRMWARE_8168F_2
);
648 MODULE_FIRMWARE(FIRMWARE_8402_1
);
649 MODULE_FIRMWARE(FIRMWARE_8411_1
);
650 MODULE_FIRMWARE(FIRMWARE_8411_2
);
651 MODULE_FIRMWARE(FIRMWARE_8106E_1
);
652 MODULE_FIRMWARE(FIRMWARE_8106E_2
);
653 MODULE_FIRMWARE(FIRMWARE_8168G_2
);
654 MODULE_FIRMWARE(FIRMWARE_8168G_3
);
655 MODULE_FIRMWARE(FIRMWARE_8168H_1
);
656 MODULE_FIRMWARE(FIRMWARE_8168H_2
);
657 MODULE_FIRMWARE(FIRMWARE_8168FP_3
);
658 MODULE_FIRMWARE(FIRMWARE_8107E_1
);
659 MODULE_FIRMWARE(FIRMWARE_8107E_2
);
660 MODULE_FIRMWARE(FIRMWARE_8125A_3
);
661 MODULE_FIRMWARE(FIRMWARE_8125B_2
);
663 static inline struct device
*tp_to_dev(struct rtl8169_private
*tp
)
665 return &tp
->pci_dev
->dev
;
668 static void rtl_lock_config_regs(struct rtl8169_private
*tp
)
670 RTL_W8(tp
, Cfg9346
, Cfg9346_Lock
);
673 static void rtl_unlock_config_regs(struct rtl8169_private
*tp
)
675 RTL_W8(tp
, Cfg9346
, Cfg9346_Unlock
);
678 static void rtl_pci_commit(struct rtl8169_private
*tp
)
680 /* Read an arbitrary register to commit a preceding PCI write */
684 static bool rtl_is_8125(struct rtl8169_private
*tp
)
686 return tp
->mac_version
>= RTL_GIGA_MAC_VER_60
;
689 static bool rtl_is_8168evl_up(struct rtl8169_private
*tp
)
691 return tp
->mac_version
>= RTL_GIGA_MAC_VER_34
&&
692 tp
->mac_version
!= RTL_GIGA_MAC_VER_39
&&
693 tp
->mac_version
<= RTL_GIGA_MAC_VER_52
;
696 static bool rtl_supports_eee(struct rtl8169_private
*tp
)
698 return tp
->mac_version
>= RTL_GIGA_MAC_VER_34
&&
699 tp
->mac_version
!= RTL_GIGA_MAC_VER_37
&&
700 tp
->mac_version
!= RTL_GIGA_MAC_VER_39
;
703 static void rtl_get_priv_stats(struct rtl8169_stats
*stats
,
704 u64
*pkts
, u64
*bytes
)
709 start
= u64_stats_fetch_begin_irq(&stats
->syncp
);
710 *pkts
= stats
->packets
;
711 *bytes
= stats
->bytes
;
712 } while (u64_stats_fetch_retry_irq(&stats
->syncp
, start
));
715 static void rtl_inc_priv_stats(struct rtl8169_stats
*stats
,
718 u64_stats_update_begin(&stats
->syncp
);
719 stats
->packets
+= pkts
;
720 stats
->bytes
+= bytes
;
721 u64_stats_update_end(&stats
->syncp
);
724 static void rtl_read_mac_from_reg(struct rtl8169_private
*tp
, u8
*mac
, int reg
)
728 for (i
= 0; i
< ETH_ALEN
; i
++)
729 mac
[i
] = RTL_R8(tp
, reg
+ i
);
733 bool (*check
)(struct rtl8169_private
*);
737 static bool rtl_loop_wait(struct rtl8169_private
*tp
, const struct rtl_cond
*c
,
738 unsigned long usecs
, int n
, bool high
)
742 for (i
= 0; i
< n
; i
++) {
743 if (c
->check(tp
) == high
)
749 netdev_err(tp
->dev
, "%s == %d (loop: %d, delay: %lu).\n",
750 c
->msg
, !high
, n
, usecs
);
754 static bool rtl_loop_wait_high(struct rtl8169_private
*tp
,
755 const struct rtl_cond
*c
,
756 unsigned long d
, int n
)
758 return rtl_loop_wait(tp
, c
, d
, n
, true);
761 static bool rtl_loop_wait_low(struct rtl8169_private
*tp
,
762 const struct rtl_cond
*c
,
763 unsigned long d
, int n
)
765 return rtl_loop_wait(tp
, c
, d
, n
, false);
768 #define DECLARE_RTL_COND(name) \
769 static bool name ## _check(struct rtl8169_private *); \
771 static const struct rtl_cond name = { \
772 .check = name ## _check, \
776 static bool name ## _check(struct rtl8169_private *tp)
778 static bool rtl_ocp_reg_failure(struct rtl8169_private
*tp
, u32 reg
)
780 if (reg
& 0xffff0001) {
782 netdev_err(tp
->dev
, "Invalid ocp reg %x!\n", reg
);
788 DECLARE_RTL_COND(rtl_ocp_gphy_cond
)
790 return RTL_R32(tp
, GPHY_OCP
) & OCPAR_FLAG
;
793 static void r8168_phy_ocp_write(struct rtl8169_private
*tp
, u32 reg
, u32 data
)
795 if (rtl_ocp_reg_failure(tp
, reg
))
798 RTL_W32(tp
, GPHY_OCP
, OCPAR_FLAG
| (reg
<< 15) | data
);
800 rtl_loop_wait_low(tp
, &rtl_ocp_gphy_cond
, 25, 10);
803 static int r8168_phy_ocp_read(struct rtl8169_private
*tp
, u32 reg
)
805 if (rtl_ocp_reg_failure(tp
, reg
))
808 RTL_W32(tp
, GPHY_OCP
, reg
<< 15);
810 return rtl_loop_wait_high(tp
, &rtl_ocp_gphy_cond
, 25, 10) ?
811 (RTL_R32(tp
, GPHY_OCP
) & 0xffff) : -ETIMEDOUT
;
814 static void r8168_mac_ocp_write(struct rtl8169_private
*tp
, u32 reg
, u32 data
)
816 if (rtl_ocp_reg_failure(tp
, reg
))
819 RTL_W32(tp
, OCPDR
, OCPAR_FLAG
| (reg
<< 15) | data
);
822 static u16
r8168_mac_ocp_read(struct rtl8169_private
*tp
, u32 reg
)
824 if (rtl_ocp_reg_failure(tp
, reg
))
827 RTL_W32(tp
, OCPDR
, reg
<< 15);
829 return RTL_R32(tp
, OCPDR
);
832 static void r8168_mac_ocp_modify(struct rtl8169_private
*tp
, u32 reg
, u16 mask
,
835 u16 data
= r8168_mac_ocp_read(tp
, reg
);
837 r8168_mac_ocp_write(tp
, reg
, (data
& ~mask
) | set
);
840 static void r8168g_mdio_write(struct rtl8169_private
*tp
, int reg
, int value
)
843 tp
->ocp_base
= value
? value
<< 4 : OCP_STD_PHY_BASE
;
847 if (tp
->ocp_base
!= OCP_STD_PHY_BASE
)
850 r8168_phy_ocp_write(tp
, tp
->ocp_base
+ reg
* 2, value
);
853 static int r8168g_mdio_read(struct rtl8169_private
*tp
, int reg
)
856 return tp
->ocp_base
== OCP_STD_PHY_BASE
? 0 : tp
->ocp_base
>> 4;
858 if (tp
->ocp_base
!= OCP_STD_PHY_BASE
)
861 return r8168_phy_ocp_read(tp
, tp
->ocp_base
+ reg
* 2);
864 static void mac_mcu_write(struct rtl8169_private
*tp
, int reg
, int value
)
867 tp
->ocp_base
= value
<< 4;
871 r8168_mac_ocp_write(tp
, tp
->ocp_base
+ reg
, value
);
874 static int mac_mcu_read(struct rtl8169_private
*tp
, int reg
)
876 return r8168_mac_ocp_read(tp
, tp
->ocp_base
+ reg
);
879 DECLARE_RTL_COND(rtl_phyar_cond
)
881 return RTL_R32(tp
, PHYAR
) & 0x80000000;
884 static void r8169_mdio_write(struct rtl8169_private
*tp
, int reg
, int value
)
886 RTL_W32(tp
, PHYAR
, 0x80000000 | (reg
& 0x1f) << 16 | (value
& 0xffff));
888 rtl_loop_wait_low(tp
, &rtl_phyar_cond
, 25, 20);
890 * According to hardware specs a 20us delay is required after write
891 * complete indication, but before sending next command.
896 static int r8169_mdio_read(struct rtl8169_private
*tp
, int reg
)
900 RTL_W32(tp
, PHYAR
, 0x0 | (reg
& 0x1f) << 16);
902 value
= rtl_loop_wait_high(tp
, &rtl_phyar_cond
, 25, 20) ?
903 RTL_R32(tp
, PHYAR
) & 0xffff : -ETIMEDOUT
;
906 * According to hardware specs a 20us delay is required after read
907 * complete indication, but before sending next command.
914 DECLARE_RTL_COND(rtl_ocpar_cond
)
916 return RTL_R32(tp
, OCPAR
) & OCPAR_FLAG
;
919 static void r8168dp_1_mdio_access(struct rtl8169_private
*tp
, int reg
, u32 data
)
921 RTL_W32(tp
, OCPDR
, data
| ((reg
& OCPDR_REG_MASK
) << OCPDR_GPHY_REG_SHIFT
));
922 RTL_W32(tp
, OCPAR
, OCPAR_GPHY_WRITE_CMD
);
923 RTL_W32(tp
, EPHY_RXER_NUM
, 0);
925 rtl_loop_wait_low(tp
, &rtl_ocpar_cond
, 1000, 100);
928 static void r8168dp_1_mdio_write(struct rtl8169_private
*tp
, int reg
, int value
)
930 r8168dp_1_mdio_access(tp
, reg
,
931 OCPDR_WRITE_CMD
| (value
& OCPDR_DATA_MASK
));
934 static int r8168dp_1_mdio_read(struct rtl8169_private
*tp
, int reg
)
936 r8168dp_1_mdio_access(tp
, reg
, OCPDR_READ_CMD
);
939 RTL_W32(tp
, OCPAR
, OCPAR_GPHY_READ_CMD
);
940 RTL_W32(tp
, EPHY_RXER_NUM
, 0);
942 return rtl_loop_wait_high(tp
, &rtl_ocpar_cond
, 1000, 100) ?
943 RTL_R32(tp
, OCPDR
) & OCPDR_DATA_MASK
: -ETIMEDOUT
;
946 #define R8168DP_1_MDIO_ACCESS_BIT 0x00020000
948 static void r8168dp_2_mdio_start(struct rtl8169_private
*tp
)
950 RTL_W32(tp
, 0xd0, RTL_R32(tp
, 0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT
);
953 static void r8168dp_2_mdio_stop(struct rtl8169_private
*tp
)
955 RTL_W32(tp
, 0xd0, RTL_R32(tp
, 0xd0) | R8168DP_1_MDIO_ACCESS_BIT
);
958 static void r8168dp_2_mdio_write(struct rtl8169_private
*tp
, int reg
, int value
)
960 r8168dp_2_mdio_start(tp
);
962 r8169_mdio_write(tp
, reg
, value
);
964 r8168dp_2_mdio_stop(tp
);
967 static int r8168dp_2_mdio_read(struct rtl8169_private
*tp
, int reg
)
971 /* Work around issue with chip reporting wrong PHY ID */
972 if (reg
== MII_PHYSID2
)
975 r8168dp_2_mdio_start(tp
);
977 value
= r8169_mdio_read(tp
, reg
);
979 r8168dp_2_mdio_stop(tp
);
984 static void rtl_writephy(struct rtl8169_private
*tp
, int location
, int val
)
986 switch (tp
->mac_version
) {
987 case RTL_GIGA_MAC_VER_27
:
988 r8168dp_1_mdio_write(tp
, location
, val
);
990 case RTL_GIGA_MAC_VER_28
:
991 case RTL_GIGA_MAC_VER_31
:
992 r8168dp_2_mdio_write(tp
, location
, val
);
994 case RTL_GIGA_MAC_VER_40
... RTL_GIGA_MAC_VER_63
:
995 r8168g_mdio_write(tp
, location
, val
);
998 r8169_mdio_write(tp
, location
, val
);
1003 static int rtl_readphy(struct rtl8169_private
*tp
, int location
)
1005 switch (tp
->mac_version
) {
1006 case RTL_GIGA_MAC_VER_27
:
1007 return r8168dp_1_mdio_read(tp
, location
);
1008 case RTL_GIGA_MAC_VER_28
:
1009 case RTL_GIGA_MAC_VER_31
:
1010 return r8168dp_2_mdio_read(tp
, location
);
1011 case RTL_GIGA_MAC_VER_40
... RTL_GIGA_MAC_VER_63
:
1012 return r8168g_mdio_read(tp
, location
);
1014 return r8169_mdio_read(tp
, location
);
1018 DECLARE_RTL_COND(rtl_ephyar_cond
)
1020 return RTL_R32(tp
, EPHYAR
) & EPHYAR_FLAG
;
1023 static void rtl_ephy_write(struct rtl8169_private
*tp
, int reg_addr
, int value
)
1025 RTL_W32(tp
, EPHYAR
, EPHYAR_WRITE_CMD
| (value
& EPHYAR_DATA_MASK
) |
1026 (reg_addr
& EPHYAR_REG_MASK
) << EPHYAR_REG_SHIFT
);
1028 rtl_loop_wait_low(tp
, &rtl_ephyar_cond
, 10, 100);
1033 static u16
rtl_ephy_read(struct rtl8169_private
*tp
, int reg_addr
)
1035 RTL_W32(tp
, EPHYAR
, (reg_addr
& EPHYAR_REG_MASK
) << EPHYAR_REG_SHIFT
);
1037 return rtl_loop_wait_high(tp
, &rtl_ephyar_cond
, 10, 100) ?
1038 RTL_R32(tp
, EPHYAR
) & EPHYAR_DATA_MASK
: ~0;
1041 static void r8168fp_adjust_ocp_cmd(struct rtl8169_private
*tp
, u32
*cmd
, int type
)
1043 /* based on RTL8168FP_OOBMAC_BASE in vendor driver */
1044 if (tp
->mac_version
== RTL_GIGA_MAC_VER_52
&& type
== ERIAR_OOB
)
1045 *cmd
|= 0x7f0 << 18;
1048 DECLARE_RTL_COND(rtl_eriar_cond
)
1050 return RTL_R32(tp
, ERIAR
) & ERIAR_FLAG
;
1053 static void _rtl_eri_write(struct rtl8169_private
*tp
, int addr
, u32 mask
,
1056 u32 cmd
= ERIAR_WRITE_CMD
| type
| mask
| addr
;
1058 BUG_ON((addr
& 3) || (mask
== 0));
1059 RTL_W32(tp
, ERIDR
, val
);
1060 r8168fp_adjust_ocp_cmd(tp
, &cmd
, type
);
1061 RTL_W32(tp
, ERIAR
, cmd
);
1063 rtl_loop_wait_low(tp
, &rtl_eriar_cond
, 100, 100);
1066 static void rtl_eri_write(struct rtl8169_private
*tp
, int addr
, u32 mask
,
1069 _rtl_eri_write(tp
, addr
, mask
, val
, ERIAR_EXGMAC
);
1072 static u32
_rtl_eri_read(struct rtl8169_private
*tp
, int addr
, int type
)
1074 u32 cmd
= ERIAR_READ_CMD
| type
| ERIAR_MASK_1111
| addr
;
1076 r8168fp_adjust_ocp_cmd(tp
, &cmd
, type
);
1077 RTL_W32(tp
, ERIAR
, cmd
);
1079 return rtl_loop_wait_high(tp
, &rtl_eriar_cond
, 100, 100) ?
1080 RTL_R32(tp
, ERIDR
) : ~0;
1083 static u32
rtl_eri_read(struct rtl8169_private
*tp
, int addr
)
1085 return _rtl_eri_read(tp
, addr
, ERIAR_EXGMAC
);
1088 static void rtl_w0w1_eri(struct rtl8169_private
*tp
, int addr
, u32 p
, u32 m
)
1090 u32 val
= rtl_eri_read(tp
, addr
);
1092 rtl_eri_write(tp
, addr
, ERIAR_MASK_1111
, (val
& ~m
) | p
);
1095 static void rtl_eri_set_bits(struct rtl8169_private
*tp
, int addr
, u32 p
)
1097 rtl_w0w1_eri(tp
, addr
, p
, 0);
1100 static void rtl_eri_clear_bits(struct rtl8169_private
*tp
, int addr
, u32 m
)
1102 rtl_w0w1_eri(tp
, addr
, 0, m
);
1105 static u32
r8168dp_ocp_read(struct rtl8169_private
*tp
, u16 reg
)
1107 RTL_W32(tp
, OCPAR
, 0x0fu
<< 12 | (reg
& 0x0fff));
1108 return rtl_loop_wait_high(tp
, &rtl_ocpar_cond
, 100, 20) ?
1109 RTL_R32(tp
, OCPDR
) : ~0;
1112 static u32
r8168ep_ocp_read(struct rtl8169_private
*tp
, u16 reg
)
1114 return _rtl_eri_read(tp
, reg
, ERIAR_OOB
);
1117 static void r8168dp_ocp_write(struct rtl8169_private
*tp
, u8 mask
, u16 reg
,
1120 RTL_W32(tp
, OCPDR
, data
);
1121 RTL_W32(tp
, OCPAR
, OCPAR_FLAG
| ((u32
)mask
& 0x0f) << 12 | (reg
& 0x0fff));
1122 rtl_loop_wait_low(tp
, &rtl_ocpar_cond
, 100, 20);
1125 static void r8168ep_ocp_write(struct rtl8169_private
*tp
, u8 mask
, u16 reg
,
1128 _rtl_eri_write(tp
, reg
, ((u32
)mask
& 0x0f) << ERIAR_MASK_SHIFT
,
1132 static void r8168dp_oob_notify(struct rtl8169_private
*tp
, u8 cmd
)
1134 rtl_eri_write(tp
, 0xe8, ERIAR_MASK_0001
, cmd
);
1136 r8168dp_ocp_write(tp
, 0x1, 0x30, 0x00000001);
1139 #define OOB_CMD_RESET 0x00
1140 #define OOB_CMD_DRIVER_START 0x05
1141 #define OOB_CMD_DRIVER_STOP 0x06
1143 static u16
rtl8168_get_ocp_reg(struct rtl8169_private
*tp
)
1145 return (tp
->mac_version
== RTL_GIGA_MAC_VER_31
) ? 0xb8 : 0x10;
1148 DECLARE_RTL_COND(rtl_dp_ocp_read_cond
)
1152 reg
= rtl8168_get_ocp_reg(tp
);
1154 return r8168dp_ocp_read(tp
, reg
) & 0x00000800;
1157 DECLARE_RTL_COND(rtl_ep_ocp_read_cond
)
1159 return r8168ep_ocp_read(tp
, 0x124) & 0x00000001;
1162 DECLARE_RTL_COND(rtl_ocp_tx_cond
)
1164 return RTL_R8(tp
, IBISR0
) & 0x20;
1167 static void rtl8168ep_stop_cmac(struct rtl8169_private
*tp
)
1169 RTL_W8(tp
, IBCR2
, RTL_R8(tp
, IBCR2
) & ~0x01);
1170 rtl_loop_wait_high(tp
, &rtl_ocp_tx_cond
, 50000, 2000);
1171 RTL_W8(tp
, IBISR0
, RTL_R8(tp
, IBISR0
) | 0x20);
1172 RTL_W8(tp
, IBCR0
, RTL_R8(tp
, IBCR0
) & ~0x01);
1175 static void rtl8168dp_driver_start(struct rtl8169_private
*tp
)
1177 r8168dp_oob_notify(tp
, OOB_CMD_DRIVER_START
);
1178 rtl_loop_wait_high(tp
, &rtl_dp_ocp_read_cond
, 10000, 10);
1181 static void rtl8168ep_driver_start(struct rtl8169_private
*tp
)
1183 r8168ep_ocp_write(tp
, 0x01, 0x180, OOB_CMD_DRIVER_START
);
1184 r8168ep_ocp_write(tp
, 0x01, 0x30, r8168ep_ocp_read(tp
, 0x30) | 0x01);
1185 rtl_loop_wait_high(tp
, &rtl_ep_ocp_read_cond
, 10000, 10);
1188 static void rtl8168_driver_start(struct rtl8169_private
*tp
)
1190 switch (tp
->mac_version
) {
1191 case RTL_GIGA_MAC_VER_27
:
1192 case RTL_GIGA_MAC_VER_28
:
1193 case RTL_GIGA_MAC_VER_31
:
1194 rtl8168dp_driver_start(tp
);
1196 case RTL_GIGA_MAC_VER_49
... RTL_GIGA_MAC_VER_52
:
1197 rtl8168ep_driver_start(tp
);
1205 static void rtl8168dp_driver_stop(struct rtl8169_private
*tp
)
1207 r8168dp_oob_notify(tp
, OOB_CMD_DRIVER_STOP
);
1208 rtl_loop_wait_low(tp
, &rtl_dp_ocp_read_cond
, 10000, 10);
1211 static void rtl8168ep_driver_stop(struct rtl8169_private
*tp
)
1213 rtl8168ep_stop_cmac(tp
);
1214 r8168ep_ocp_write(tp
, 0x01, 0x180, OOB_CMD_DRIVER_STOP
);
1215 r8168ep_ocp_write(tp
, 0x01, 0x30, r8168ep_ocp_read(tp
, 0x30) | 0x01);
1216 rtl_loop_wait_low(tp
, &rtl_ep_ocp_read_cond
, 10000, 10);
1219 static void rtl8168_driver_stop(struct rtl8169_private
*tp
)
1221 switch (tp
->mac_version
) {
1222 case RTL_GIGA_MAC_VER_27
:
1223 case RTL_GIGA_MAC_VER_28
:
1224 case RTL_GIGA_MAC_VER_31
:
1225 rtl8168dp_driver_stop(tp
);
1227 case RTL_GIGA_MAC_VER_49
... RTL_GIGA_MAC_VER_52
:
1228 rtl8168ep_driver_stop(tp
);
1236 static bool r8168dp_check_dash(struct rtl8169_private
*tp
)
1238 u16 reg
= rtl8168_get_ocp_reg(tp
);
1240 return !!(r8168dp_ocp_read(tp
, reg
) & 0x00008000);
1243 static bool r8168ep_check_dash(struct rtl8169_private
*tp
)
1245 return r8168ep_ocp_read(tp
, 0x128) & 0x00000001;
1248 static bool r8168_check_dash(struct rtl8169_private
*tp
)
1250 switch (tp
->mac_version
) {
1251 case RTL_GIGA_MAC_VER_27
:
1252 case RTL_GIGA_MAC_VER_28
:
1253 case RTL_GIGA_MAC_VER_31
:
1254 return r8168dp_check_dash(tp
);
1255 case RTL_GIGA_MAC_VER_49
... RTL_GIGA_MAC_VER_52
:
1256 return r8168ep_check_dash(tp
);
1262 static void rtl_reset_packet_filter(struct rtl8169_private
*tp
)
1264 rtl_eri_clear_bits(tp
, 0xdc, BIT(0));
1265 rtl_eri_set_bits(tp
, 0xdc, BIT(0));
1268 DECLARE_RTL_COND(rtl_efusear_cond
)
1270 return RTL_R32(tp
, EFUSEAR
) & EFUSEAR_FLAG
;
1273 u8
rtl8168d_efuse_read(struct rtl8169_private
*tp
, int reg_addr
)
1275 RTL_W32(tp
, EFUSEAR
, (reg_addr
& EFUSEAR_REG_MASK
) << EFUSEAR_REG_SHIFT
);
1277 return rtl_loop_wait_high(tp
, &rtl_efusear_cond
, 100, 300) ?
1278 RTL_R32(tp
, EFUSEAR
) & EFUSEAR_DATA_MASK
: ~0;
1281 static u32
rtl_get_events(struct rtl8169_private
*tp
)
1283 if (rtl_is_8125(tp
))
1284 return RTL_R32(tp
, IntrStatus_8125
);
1286 return RTL_R16(tp
, IntrStatus
);
1289 static void rtl_ack_events(struct rtl8169_private
*tp
, u32 bits
)
1291 if (rtl_is_8125(tp
))
1292 RTL_W32(tp
, IntrStatus_8125
, bits
);
1294 RTL_W16(tp
, IntrStatus
, bits
);
1297 static void rtl_irq_disable(struct rtl8169_private
*tp
)
1299 if (rtl_is_8125(tp
))
1300 RTL_W32(tp
, IntrMask_8125
, 0);
1302 RTL_W16(tp
, IntrMask
, 0);
1305 static void rtl_irq_enable(struct rtl8169_private
*tp
)
1307 if (rtl_is_8125(tp
))
1308 RTL_W32(tp
, IntrMask_8125
, tp
->irq_mask
);
1310 RTL_W16(tp
, IntrMask
, tp
->irq_mask
);
1313 static void rtl8169_irq_mask_and_ack(struct rtl8169_private
*tp
)
1315 rtl_irq_disable(tp
);
1316 rtl_ack_events(tp
, 0xffffffff);
1320 static void rtl_link_chg_patch(struct rtl8169_private
*tp
)
1322 struct phy_device
*phydev
= tp
->phydev
;
1324 if (tp
->mac_version
== RTL_GIGA_MAC_VER_34
||
1325 tp
->mac_version
== RTL_GIGA_MAC_VER_38
) {
1326 if (phydev
->speed
== SPEED_1000
) {
1327 rtl_eri_write(tp
, 0x1bc, ERIAR_MASK_1111
, 0x00000011);
1328 rtl_eri_write(tp
, 0x1dc, ERIAR_MASK_1111
, 0x00000005);
1329 } else if (phydev
->speed
== SPEED_100
) {
1330 rtl_eri_write(tp
, 0x1bc, ERIAR_MASK_1111
, 0x0000001f);
1331 rtl_eri_write(tp
, 0x1dc, ERIAR_MASK_1111
, 0x00000005);
1333 rtl_eri_write(tp
, 0x1bc, ERIAR_MASK_1111
, 0x0000001f);
1334 rtl_eri_write(tp
, 0x1dc, ERIAR_MASK_1111
, 0x0000003f);
1336 rtl_reset_packet_filter(tp
);
1337 } else if (tp
->mac_version
== RTL_GIGA_MAC_VER_35
||
1338 tp
->mac_version
== RTL_GIGA_MAC_VER_36
) {
1339 if (phydev
->speed
== SPEED_1000
) {
1340 rtl_eri_write(tp
, 0x1bc, ERIAR_MASK_1111
, 0x00000011);
1341 rtl_eri_write(tp
, 0x1dc, ERIAR_MASK_1111
, 0x00000005);
1343 rtl_eri_write(tp
, 0x1bc, ERIAR_MASK_1111
, 0x0000001f);
1344 rtl_eri_write(tp
, 0x1dc, ERIAR_MASK_1111
, 0x0000003f);
1346 } else if (tp
->mac_version
== RTL_GIGA_MAC_VER_37
) {
1347 if (phydev
->speed
== SPEED_10
) {
1348 rtl_eri_write(tp
, 0x1d0, ERIAR_MASK_0011
, 0x4d02);
1349 rtl_eri_write(tp
, 0x1dc, ERIAR_MASK_0011
, 0x0060a);
1351 rtl_eri_write(tp
, 0x1d0, ERIAR_MASK_0011
, 0x0000);
1356 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1358 static void rtl8169_get_wol(struct net_device
*dev
, struct ethtool_wolinfo
*wol
)
1360 struct rtl8169_private
*tp
= netdev_priv(dev
);
1362 wol
->supported
= WAKE_ANY
;
1363 wol
->wolopts
= tp
->saved_wolopts
;
1366 static void __rtl8169_set_wol(struct rtl8169_private
*tp
, u32 wolopts
)
1368 static const struct {
1373 { WAKE_PHY
, Config3
, LinkUp
},
1374 { WAKE_UCAST
, Config5
, UWF
},
1375 { WAKE_BCAST
, Config5
, BWF
},
1376 { WAKE_MCAST
, Config5
, MWF
},
1377 { WAKE_ANY
, Config5
, LanWake
},
1378 { WAKE_MAGIC
, Config3
, MagicPacket
}
1380 unsigned int i
, tmp
= ARRAY_SIZE(cfg
);
1383 rtl_unlock_config_regs(tp
);
1385 if (rtl_is_8168evl_up(tp
)) {
1387 if (wolopts
& WAKE_MAGIC
)
1388 rtl_eri_set_bits(tp
, 0x0dc, MagicPacket_v2
);
1390 rtl_eri_clear_bits(tp
, 0x0dc, MagicPacket_v2
);
1391 } else if (rtl_is_8125(tp
)) {
1393 if (wolopts
& WAKE_MAGIC
)
1394 r8168_mac_ocp_modify(tp
, 0xc0b6, 0, BIT(0));
1396 r8168_mac_ocp_modify(tp
, 0xc0b6, BIT(0), 0);
1399 for (i
= 0; i
< tmp
; i
++) {
1400 options
= RTL_R8(tp
, cfg
[i
].reg
) & ~cfg
[i
].mask
;
1401 if (wolopts
& cfg
[i
].opt
)
1402 options
|= cfg
[i
].mask
;
1403 RTL_W8(tp
, cfg
[i
].reg
, options
);
1406 switch (tp
->mac_version
) {
1407 case RTL_GIGA_MAC_VER_02
... RTL_GIGA_MAC_VER_06
:
1408 options
= RTL_R8(tp
, Config1
) & ~PMEnable
;
1410 options
|= PMEnable
;
1411 RTL_W8(tp
, Config1
, options
);
1413 case RTL_GIGA_MAC_VER_34
:
1414 case RTL_GIGA_MAC_VER_37
:
1415 case RTL_GIGA_MAC_VER_39
... RTL_GIGA_MAC_VER_63
:
1416 options
= RTL_R8(tp
, Config2
) & ~PME_SIGNAL
;
1418 options
|= PME_SIGNAL
;
1419 RTL_W8(tp
, Config2
, options
);
1425 rtl_lock_config_regs(tp
);
1427 device_set_wakeup_enable(tp_to_dev(tp
), wolopts
);
1428 tp
->dev
->wol_enabled
= wolopts
? 1 : 0;
1431 static int rtl8169_set_wol(struct net_device
*dev
, struct ethtool_wolinfo
*wol
)
1433 struct rtl8169_private
*tp
= netdev_priv(dev
);
1435 if (wol
->wolopts
& ~WAKE_ANY
)
1438 tp
->saved_wolopts
= wol
->wolopts
;
1439 __rtl8169_set_wol(tp
, tp
->saved_wolopts
);
1444 static void rtl8169_get_drvinfo(struct net_device
*dev
,
1445 struct ethtool_drvinfo
*info
)
1447 struct rtl8169_private
*tp
= netdev_priv(dev
);
1448 struct rtl_fw
*rtl_fw
= tp
->rtl_fw
;
1450 strlcpy(info
->driver
, MODULENAME
, sizeof(info
->driver
));
1451 strlcpy(info
->bus_info
, pci_name(tp
->pci_dev
), sizeof(info
->bus_info
));
1452 BUILD_BUG_ON(sizeof(info
->fw_version
) < sizeof(rtl_fw
->version
));
1454 strlcpy(info
->fw_version
, rtl_fw
->version
,
1455 sizeof(info
->fw_version
));
1458 static int rtl8169_get_regs_len(struct net_device
*dev
)
1460 return R8169_REGS_SIZE
;
1463 static netdev_features_t
rtl8169_fix_features(struct net_device
*dev
,
1464 netdev_features_t features
)
1466 struct rtl8169_private
*tp
= netdev_priv(dev
);
1468 if (dev
->mtu
> TD_MSS_MAX
)
1469 features
&= ~NETIF_F_ALL_TSO
;
1471 if (dev
->mtu
> ETH_DATA_LEN
&&
1472 tp
->mac_version
> RTL_GIGA_MAC_VER_06
)
1473 features
&= ~(NETIF_F_CSUM_MASK
| NETIF_F_ALL_TSO
);
1478 static void rtl_set_rx_config_features(struct rtl8169_private
*tp
,
1479 netdev_features_t features
)
1481 u32 rx_config
= RTL_R32(tp
, RxConfig
);
1483 if (features
& NETIF_F_RXALL
)
1484 rx_config
|= RX_CONFIG_ACCEPT_ERR_MASK
;
1486 rx_config
&= ~RX_CONFIG_ACCEPT_ERR_MASK
;
1488 if (rtl_is_8125(tp
)) {
1489 if (features
& NETIF_F_HW_VLAN_CTAG_RX
)
1490 rx_config
|= RX_VLAN_8125
;
1492 rx_config
&= ~RX_VLAN_8125
;
1495 RTL_W32(tp
, RxConfig
, rx_config
);
1498 static int rtl8169_set_features(struct net_device
*dev
,
1499 netdev_features_t features
)
1501 struct rtl8169_private
*tp
= netdev_priv(dev
);
1503 rtl_set_rx_config_features(tp
, features
);
1505 if (features
& NETIF_F_RXCSUM
)
1506 tp
->cp_cmd
|= RxChkSum
;
1508 tp
->cp_cmd
&= ~RxChkSum
;
1510 if (!rtl_is_8125(tp
)) {
1511 if (features
& NETIF_F_HW_VLAN_CTAG_RX
)
1512 tp
->cp_cmd
|= RxVlan
;
1514 tp
->cp_cmd
&= ~RxVlan
;
1517 RTL_W16(tp
, CPlusCmd
, tp
->cp_cmd
);
1523 static inline u32
rtl8169_tx_vlan_tag(struct sk_buff
*skb
)
1525 return (skb_vlan_tag_present(skb
)) ?
1526 TxVlanTag
| swab16(skb_vlan_tag_get(skb
)) : 0x00;
1529 static void rtl8169_rx_vlan_tag(struct RxDesc
*desc
, struct sk_buff
*skb
)
1531 u32 opts2
= le32_to_cpu(desc
->opts2
);
1533 if (opts2
& RxVlanTag
)
1534 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), swab16(opts2
& 0xffff));
1537 static void rtl8169_get_regs(struct net_device
*dev
, struct ethtool_regs
*regs
,
1540 struct rtl8169_private
*tp
= netdev_priv(dev
);
1541 u32 __iomem
*data
= tp
->mmio_addr
;
1545 for (i
= 0; i
< R8169_REGS_SIZE
; i
+= 4)
1546 memcpy_fromio(dw
++, data
++, 4);
1549 static const char rtl8169_gstrings
[][ETH_GSTRING_LEN
] = {
1556 "tx_single_collisions",
1557 "tx_multi_collisions",
1565 static int rtl8169_get_sset_count(struct net_device
*dev
, int sset
)
1569 return ARRAY_SIZE(rtl8169_gstrings
);
1575 DECLARE_RTL_COND(rtl_counters_cond
)
1577 return RTL_R32(tp
, CounterAddrLow
) & (CounterReset
| CounterDump
);
1580 static void rtl8169_do_counters(struct rtl8169_private
*tp
, u32 counter_cmd
)
1582 dma_addr_t paddr
= tp
->counters_phys_addr
;
1585 RTL_W32(tp
, CounterAddrHigh
, (u64
)paddr
>> 32);
1587 cmd
= (u64
)paddr
& DMA_BIT_MASK(32);
1588 RTL_W32(tp
, CounterAddrLow
, cmd
);
1589 RTL_W32(tp
, CounterAddrLow
, cmd
| counter_cmd
);
1591 rtl_loop_wait_low(tp
, &rtl_counters_cond
, 10, 1000);
1594 static void rtl8169_reset_counters(struct rtl8169_private
*tp
)
1597 * Versions prior to RTL_GIGA_MAC_VER_19 don't support resetting the
1600 if (tp
->mac_version
>= RTL_GIGA_MAC_VER_19
)
1601 rtl8169_do_counters(tp
, CounterReset
);
1604 static void rtl8169_update_counters(struct rtl8169_private
*tp
)
1606 u8 val
= RTL_R8(tp
, ChipCmd
);
1609 * Some chips are unable to dump tally counters when the receiver
1610 * is disabled. If 0xff chip may be in a PCI power-save state.
1612 if (val
& CmdRxEnb
&& val
!= 0xff)
1613 rtl8169_do_counters(tp
, CounterDump
);
1616 static void rtl8169_init_counter_offsets(struct rtl8169_private
*tp
)
1618 struct rtl8169_counters
*counters
= tp
->counters
;
1621 * rtl8169_init_counter_offsets is called from rtl_open. On chip
1622 * versions prior to RTL_GIGA_MAC_VER_19 the tally counters are only
1623 * reset by a power cycle, while the counter values collected by the
1624 * driver are reset at every driver unload/load cycle.
1626 * To make sure the HW values returned by @get_stats64 match the SW
1627 * values, we collect the initial values at first open(*) and use them
1628 * as offsets to normalize the values returned by @get_stats64.
1630 * (*) We can't call rtl8169_init_counter_offsets from rtl_init_one
1631 * for the reason stated in rtl8169_update_counters; CmdRxEnb is only
1632 * set at open time by rtl_hw_start.
1635 if (tp
->tc_offset
.inited
)
1638 rtl8169_reset_counters(tp
);
1639 rtl8169_update_counters(tp
);
1641 tp
->tc_offset
.tx_errors
= counters
->tx_errors
;
1642 tp
->tc_offset
.tx_multi_collision
= counters
->tx_multi_collision
;
1643 tp
->tc_offset
.tx_aborted
= counters
->tx_aborted
;
1644 tp
->tc_offset
.rx_missed
= counters
->rx_missed
;
1645 tp
->tc_offset
.inited
= true;
1648 static void rtl8169_get_ethtool_stats(struct net_device
*dev
,
1649 struct ethtool_stats
*stats
, u64
*data
)
1651 struct rtl8169_private
*tp
= netdev_priv(dev
);
1652 struct rtl8169_counters
*counters
;
1654 counters
= tp
->counters
;
1655 rtl8169_update_counters(tp
);
1657 data
[0] = le64_to_cpu(counters
->tx_packets
);
1658 data
[1] = le64_to_cpu(counters
->rx_packets
);
1659 data
[2] = le64_to_cpu(counters
->tx_errors
);
1660 data
[3] = le32_to_cpu(counters
->rx_errors
);
1661 data
[4] = le16_to_cpu(counters
->rx_missed
);
1662 data
[5] = le16_to_cpu(counters
->align_errors
);
1663 data
[6] = le32_to_cpu(counters
->tx_one_collision
);
1664 data
[7] = le32_to_cpu(counters
->tx_multi_collision
);
1665 data
[8] = le64_to_cpu(counters
->rx_unicast
);
1666 data
[9] = le64_to_cpu(counters
->rx_broadcast
);
1667 data
[10] = le32_to_cpu(counters
->rx_multicast
);
1668 data
[11] = le16_to_cpu(counters
->tx_aborted
);
1669 data
[12] = le16_to_cpu(counters
->tx_underun
);
1672 static void rtl8169_get_strings(struct net_device
*dev
, u32 stringset
, u8
*data
)
1676 memcpy(data
, *rtl8169_gstrings
, sizeof(rtl8169_gstrings
));
1682 * Interrupt coalescing
1684 * > 1 - the availability of the IntrMitigate (0xe2) register through the
1685 * > 8169, 8168 and 810x line of chipsets
1687 * 8169, 8168, and 8136(810x) serial chipsets support it.
1689 * > 2 - the Tx timer unit at gigabit speed
1691 * The unit of the timer depends on both the speed and the setting of CPlusCmd
1692 * (0xe0) bit 1 and bit 0.
1695 * bit[1:0] \ speed 1000M 100M 10M
1696 * 0 0 320ns 2.56us 40.96us
1697 * 0 1 2.56us 20.48us 327.7us
1698 * 1 0 5.12us 40.96us 655.4us
1699 * 1 1 10.24us 81.92us 1.31ms
1702 * bit[1:0] \ speed 1000M 100M 10M
1703 * 0 0 5us 2.56us 40.96us
1704 * 0 1 40us 20.48us 327.7us
1705 * 1 0 80us 40.96us 655.4us
1706 * 1 1 160us 81.92us 1.31ms
1709 /* rx/tx scale factors for all CPlusCmd[0:1] cases */
1710 struct rtl_coalesce_info
{
1715 /* produce array with base delay *1, *8, *8*2, *8*2*2 */
1716 #define COALESCE_DELAY(d) { (d), 8 * (d), 16 * (d), 32 * (d) }
1718 static const struct rtl_coalesce_info rtl_coalesce_info_8169
[] = {
1719 { SPEED_1000
, COALESCE_DELAY(320) },
1720 { SPEED_100
, COALESCE_DELAY(2560) },
1721 { SPEED_10
, COALESCE_DELAY(40960) },
1725 static const struct rtl_coalesce_info rtl_coalesce_info_8168_8136
[] = {
1726 { SPEED_1000
, COALESCE_DELAY(5000) },
1727 { SPEED_100
, COALESCE_DELAY(2560) },
1728 { SPEED_10
, COALESCE_DELAY(40960) },
1731 #undef COALESCE_DELAY
1733 /* get rx/tx scale vector corresponding to current speed */
1734 static const struct rtl_coalesce_info
*
1735 rtl_coalesce_info(struct rtl8169_private
*tp
)
1737 const struct rtl_coalesce_info
*ci
;
1739 if (tp
->mac_version
<= RTL_GIGA_MAC_VER_06
)
1740 ci
= rtl_coalesce_info_8169
;
1742 ci
= rtl_coalesce_info_8168_8136
;
1744 /* if speed is unknown assume highest one */
1745 if (tp
->phydev
->speed
== SPEED_UNKNOWN
)
1748 for (; ci
->speed
; ci
++) {
1749 if (tp
->phydev
->speed
== ci
->speed
)
1753 return ERR_PTR(-ELNRNG
);
1756 static int rtl_get_coalesce(struct net_device
*dev
, struct ethtool_coalesce
*ec
)
1758 struct rtl8169_private
*tp
= netdev_priv(dev
);
1759 const struct rtl_coalesce_info
*ci
;
1760 u32 scale
, c_us
, c_fr
;
1763 if (rtl_is_8125(tp
))
1766 memset(ec
, 0, sizeof(*ec
));
1768 /* get rx/tx scale corresponding to current speed and CPlusCmd[0:1] */
1769 ci
= rtl_coalesce_info(tp
);
1773 scale
= ci
->scale_nsecs
[tp
->cp_cmd
& INTT_MASK
];
1775 intrmit
= RTL_R16(tp
, IntrMitigate
);
1777 c_us
= FIELD_GET(RTL_COALESCE_TX_USECS
, intrmit
);
1778 ec
->tx_coalesce_usecs
= DIV_ROUND_UP(c_us
* scale
, 1000);
1780 c_fr
= FIELD_GET(RTL_COALESCE_TX_FRAMES
, intrmit
);
1781 /* ethtool_coalesce states usecs and max_frames must not both be 0 */
1782 ec
->tx_max_coalesced_frames
= (c_us
|| c_fr
) ? c_fr
* 4 : 1;
1784 c_us
= FIELD_GET(RTL_COALESCE_RX_USECS
, intrmit
);
1785 ec
->rx_coalesce_usecs
= DIV_ROUND_UP(c_us
* scale
, 1000);
1787 c_fr
= FIELD_GET(RTL_COALESCE_RX_FRAMES
, intrmit
);
1788 ec
->rx_max_coalesced_frames
= (c_us
|| c_fr
) ? c_fr
* 4 : 1;
1793 /* choose appropriate scale factor and CPlusCmd[0:1] for (speed, usec) */
1794 static int rtl_coalesce_choose_scale(struct rtl8169_private
*tp
, u32 usec
,
1797 const struct rtl_coalesce_info
*ci
;
1800 ci
= rtl_coalesce_info(tp
);
1804 for (i
= 0; i
< 4; i
++) {
1805 if (usec
<= ci
->scale_nsecs
[i
] * RTL_COALESCE_T_MAX
/ 1000U) {
1807 return ci
->scale_nsecs
[i
];
1814 static int rtl_set_coalesce(struct net_device
*dev
, struct ethtool_coalesce
*ec
)
1816 struct rtl8169_private
*tp
= netdev_priv(dev
);
1817 u32 tx_fr
= ec
->tx_max_coalesced_frames
;
1818 u32 rx_fr
= ec
->rx_max_coalesced_frames
;
1819 u32 coal_usec_max
, units
;
1820 u16 w
= 0, cp01
= 0;
1823 if (rtl_is_8125(tp
))
1826 if (rx_fr
> RTL_COALESCE_FRAME_MAX
|| tx_fr
> RTL_COALESCE_FRAME_MAX
)
1829 coal_usec_max
= max(ec
->rx_coalesce_usecs
, ec
->tx_coalesce_usecs
);
1830 scale
= rtl_coalesce_choose_scale(tp
, coal_usec_max
, &cp01
);
1834 /* Accept max_frames=1 we returned in rtl_get_coalesce. Accept it
1835 * not only when usecs=0 because of e.g. the following scenario:
1837 * - both rx_usecs=0 & rx_frames=0 in hardware (no delay on RX)
1838 * - rtl_get_coalesce returns rx_usecs=0, rx_frames=1
1839 * - then user does `ethtool -C eth0 rx-usecs 100`
1841 * Since ethtool sends to kernel whole ethtool_coalesce settings,
1842 * if we want to ignore rx_frames then it has to be set to 0.
1849 /* HW requires time limit to be set if frame limit is set */
1850 if ((tx_fr
&& !ec
->tx_coalesce_usecs
) ||
1851 (rx_fr
&& !ec
->rx_coalesce_usecs
))
1854 w
|= FIELD_PREP(RTL_COALESCE_TX_FRAMES
, DIV_ROUND_UP(tx_fr
, 4));
1855 w
|= FIELD_PREP(RTL_COALESCE_RX_FRAMES
, DIV_ROUND_UP(rx_fr
, 4));
1857 units
= DIV_ROUND_UP(ec
->tx_coalesce_usecs
* 1000U, scale
);
1858 w
|= FIELD_PREP(RTL_COALESCE_TX_USECS
, units
);
1859 units
= DIV_ROUND_UP(ec
->rx_coalesce_usecs
* 1000U, scale
);
1860 w
|= FIELD_PREP(RTL_COALESCE_RX_USECS
, units
);
1862 RTL_W16(tp
, IntrMitigate
, w
);
1864 /* Meaning of PktCntrDisable bit changed from RTL8168e-vl */
1865 if (rtl_is_8168evl_up(tp
)) {
1866 if (!rx_fr
&& !tx_fr
)
1867 /* disable packet counter */
1868 tp
->cp_cmd
|= PktCntrDisable
;
1870 tp
->cp_cmd
&= ~PktCntrDisable
;
1873 tp
->cp_cmd
= (tp
->cp_cmd
& ~INTT_MASK
) | cp01
;
1874 RTL_W16(tp
, CPlusCmd
, tp
->cp_cmd
);
1880 static int rtl8169_get_eee(struct net_device
*dev
, struct ethtool_eee
*data
)
1882 struct rtl8169_private
*tp
= netdev_priv(dev
);
1884 if (!rtl_supports_eee(tp
))
1887 return phy_ethtool_get_eee(tp
->phydev
, data
);
1890 static int rtl8169_set_eee(struct net_device
*dev
, struct ethtool_eee
*data
)
1892 struct rtl8169_private
*tp
= netdev_priv(dev
);
1895 if (!rtl_supports_eee(tp
))
1898 ret
= phy_ethtool_set_eee(tp
->phydev
, data
);
1901 tp
->eee_adv
= phy_read_mmd(dev
->phydev
, MDIO_MMD_AN
,
1906 static const struct ethtool_ops rtl8169_ethtool_ops
= {
1907 .supported_coalesce_params
= ETHTOOL_COALESCE_USECS
|
1908 ETHTOOL_COALESCE_MAX_FRAMES
,
1909 .get_drvinfo
= rtl8169_get_drvinfo
,
1910 .get_regs_len
= rtl8169_get_regs_len
,
1911 .get_link
= ethtool_op_get_link
,
1912 .get_coalesce
= rtl_get_coalesce
,
1913 .set_coalesce
= rtl_set_coalesce
,
1914 .get_regs
= rtl8169_get_regs
,
1915 .get_wol
= rtl8169_get_wol
,
1916 .set_wol
= rtl8169_set_wol
,
1917 .get_strings
= rtl8169_get_strings
,
1918 .get_sset_count
= rtl8169_get_sset_count
,
1919 .get_ethtool_stats
= rtl8169_get_ethtool_stats
,
1920 .get_ts_info
= ethtool_op_get_ts_info
,
1921 .nway_reset
= phy_ethtool_nway_reset
,
1922 .get_eee
= rtl8169_get_eee
,
1923 .set_eee
= rtl8169_set_eee
,
1924 .get_link_ksettings
= phy_ethtool_get_link_ksettings
,
1925 .set_link_ksettings
= phy_ethtool_set_link_ksettings
,
1928 static void rtl_enable_eee(struct rtl8169_private
*tp
)
1930 struct phy_device
*phydev
= tp
->phydev
;
1933 /* respect EEE advertisement the user may have set */
1934 if (tp
->eee_adv
>= 0)
1937 adv
= phy_read_mmd(phydev
, MDIO_MMD_PCS
, MDIO_PCS_EEE_ABLE
);
1940 phy_write_mmd(phydev
, MDIO_MMD_AN
, MDIO_AN_EEE_ADV
, adv
);
1943 static enum mac_version
rtl8169_get_mac_version(u16 xid
, bool gmii
)
1946 * The driver currently handles the 8168Bf and the 8168Be identically
1947 * but they can be identified more specifically through the test below
1950 * (RTL_R32(tp, TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1952 * Same thing for the 8101Eb and the 8101Ec:
1954 * (RTL_R32(tp, TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1956 static const struct rtl_mac_info
{
1959 enum mac_version ver
;
1962 { 0x7cf, 0x641, RTL_GIGA_MAC_VER_63
},
1965 { 0x7cf, 0x608, RTL_GIGA_MAC_VER_60
},
1966 { 0x7c8, 0x608, RTL_GIGA_MAC_VER_61
},
1969 { 0x7cf, 0x54a, RTL_GIGA_MAC_VER_52
},
1971 /* 8168EP family. */
1972 { 0x7cf, 0x502, RTL_GIGA_MAC_VER_51
},
1973 { 0x7cf, 0x501, RTL_GIGA_MAC_VER_50
},
1974 { 0x7cf, 0x500, RTL_GIGA_MAC_VER_49
},
1977 { 0x7cf, 0x541, RTL_GIGA_MAC_VER_46
},
1978 { 0x7cf, 0x540, RTL_GIGA_MAC_VER_45
},
1981 { 0x7cf, 0x5c8, RTL_GIGA_MAC_VER_44
},
1982 { 0x7cf, 0x509, RTL_GIGA_MAC_VER_42
},
1983 { 0x7cf, 0x4c1, RTL_GIGA_MAC_VER_41
},
1984 { 0x7cf, 0x4c0, RTL_GIGA_MAC_VER_40
},
1987 { 0x7c8, 0x488, RTL_GIGA_MAC_VER_38
},
1988 { 0x7cf, 0x481, RTL_GIGA_MAC_VER_36
},
1989 { 0x7cf, 0x480, RTL_GIGA_MAC_VER_35
},
1992 { 0x7c8, 0x2c8, RTL_GIGA_MAC_VER_34
},
1993 { 0x7cf, 0x2c1, RTL_GIGA_MAC_VER_32
},
1994 { 0x7c8, 0x2c0, RTL_GIGA_MAC_VER_33
},
1997 { 0x7cf, 0x281, RTL_GIGA_MAC_VER_25
},
1998 { 0x7c8, 0x280, RTL_GIGA_MAC_VER_26
},
2000 /* 8168DP family. */
2001 { 0x7cf, 0x288, RTL_GIGA_MAC_VER_27
},
2002 { 0x7cf, 0x28a, RTL_GIGA_MAC_VER_28
},
2003 { 0x7cf, 0x28b, RTL_GIGA_MAC_VER_31
},
2006 { 0x7cf, 0x3c9, RTL_GIGA_MAC_VER_23
},
2007 { 0x7cf, 0x3c8, RTL_GIGA_MAC_VER_18
},
2008 { 0x7c8, 0x3c8, RTL_GIGA_MAC_VER_24
},
2009 { 0x7cf, 0x3c0, RTL_GIGA_MAC_VER_19
},
2010 { 0x7cf, 0x3c2, RTL_GIGA_MAC_VER_20
},
2011 { 0x7cf, 0x3c3, RTL_GIGA_MAC_VER_21
},
2012 { 0x7c8, 0x3c0, RTL_GIGA_MAC_VER_22
},
2015 { 0x7cf, 0x380, RTL_GIGA_MAC_VER_12
},
2016 { 0x7c8, 0x380, RTL_GIGA_MAC_VER_17
},
2017 { 0x7c8, 0x300, RTL_GIGA_MAC_VER_11
},
2020 { 0x7c8, 0x448, RTL_GIGA_MAC_VER_39
},
2021 { 0x7c8, 0x440, RTL_GIGA_MAC_VER_37
},
2022 { 0x7cf, 0x409, RTL_GIGA_MAC_VER_29
},
2023 { 0x7c8, 0x408, RTL_GIGA_MAC_VER_30
},
2024 { 0x7cf, 0x349, RTL_GIGA_MAC_VER_08
},
2025 { 0x7cf, 0x249, RTL_GIGA_MAC_VER_08
},
2026 { 0x7cf, 0x348, RTL_GIGA_MAC_VER_07
},
2027 { 0x7cf, 0x248, RTL_GIGA_MAC_VER_07
},
2028 { 0x7cf, 0x340, RTL_GIGA_MAC_VER_13
},
2029 { 0x7cf, 0x240, RTL_GIGA_MAC_VER_14
},
2030 { 0x7cf, 0x343, RTL_GIGA_MAC_VER_10
},
2031 { 0x7cf, 0x342, RTL_GIGA_MAC_VER_16
},
2032 { 0x7c8, 0x348, RTL_GIGA_MAC_VER_09
},
2033 { 0x7c8, 0x248, RTL_GIGA_MAC_VER_09
},
2034 { 0x7c8, 0x340, RTL_GIGA_MAC_VER_16
},
2035 /* FIXME: where did these entries come from ? -- FR */
2036 { 0xfc8, 0x388, RTL_GIGA_MAC_VER_13
},
2037 { 0xfc8, 0x308, RTL_GIGA_MAC_VER_13
},
2040 { 0xfc8, 0x980, RTL_GIGA_MAC_VER_06
},
2041 { 0xfc8, 0x180, RTL_GIGA_MAC_VER_05
},
2042 { 0xfc8, 0x100, RTL_GIGA_MAC_VER_04
},
2043 { 0xfc8, 0x040, RTL_GIGA_MAC_VER_03
},
2044 { 0xfc8, 0x008, RTL_GIGA_MAC_VER_02
},
2047 { 0x000, 0x000, RTL_GIGA_MAC_NONE
}
2049 const struct rtl_mac_info
*p
= mac_info
;
2050 enum mac_version ver
;
2052 while ((xid
& p
->mask
) != p
->val
)
2056 if (ver
!= RTL_GIGA_MAC_NONE
&& !gmii
) {
2057 if (ver
== RTL_GIGA_MAC_VER_42
)
2058 ver
= RTL_GIGA_MAC_VER_43
;
2059 else if (ver
== RTL_GIGA_MAC_VER_45
)
2060 ver
= RTL_GIGA_MAC_VER_47
;
2061 else if (ver
== RTL_GIGA_MAC_VER_46
)
2062 ver
= RTL_GIGA_MAC_VER_48
;
2068 static void rtl_release_firmware(struct rtl8169_private
*tp
)
2071 rtl_fw_release_firmware(tp
->rtl_fw
);
2077 void r8169_apply_firmware(struct rtl8169_private
*tp
)
2081 /* TODO: release firmware if rtl_fw_write_firmware signals failure. */
2083 rtl_fw_write_firmware(tp
, tp
->rtl_fw
);
2084 /* At least one firmware doesn't reset tp->ocp_base. */
2085 tp
->ocp_base
= OCP_STD_PHY_BASE
;
2087 /* PHY soft reset may still be in progress */
2088 phy_read_poll_timeout(tp
->phydev
, MII_BMCR
, val
,
2089 !(val
& BMCR_RESET
),
2090 50000, 600000, true);
2094 static void rtl8168_config_eee_mac(struct rtl8169_private
*tp
)
2096 /* Adjust EEE LED frequency */
2097 if (tp
->mac_version
!= RTL_GIGA_MAC_VER_38
)
2098 RTL_W8(tp
, EEE_LED
, RTL_R8(tp
, EEE_LED
) & ~0x07);
2100 rtl_eri_set_bits(tp
, 0x1b0, 0x0003);
2103 static void rtl8125a_config_eee_mac(struct rtl8169_private
*tp
)
2105 r8168_mac_ocp_modify(tp
, 0xe040, 0, BIT(1) | BIT(0));
2106 r8168_mac_ocp_modify(tp
, 0xeb62, 0, BIT(2) | BIT(1));
2109 static void rtl8125_set_eee_txidle_timer(struct rtl8169_private
*tp
)
2111 RTL_W16(tp
, EEE_TXIDLE_TIMER_8125
, tp
->dev
->mtu
+ ETH_HLEN
+ 0x20);
2114 static void rtl8125b_config_eee_mac(struct rtl8169_private
*tp
)
2116 rtl8125_set_eee_txidle_timer(tp
);
2117 r8168_mac_ocp_modify(tp
, 0xe040, 0, BIT(1) | BIT(0));
2120 static void rtl_rar_exgmac_set(struct rtl8169_private
*tp
, u8
*addr
)
2123 addr
[0] | (addr
[1] << 8),
2124 addr
[2] | (addr
[3] << 8),
2125 addr
[4] | (addr
[5] << 8)
2128 rtl_eri_write(tp
, 0xe0, ERIAR_MASK_1111
, w
[0] | (w
[1] << 16));
2129 rtl_eri_write(tp
, 0xe4, ERIAR_MASK_1111
, w
[2]);
2130 rtl_eri_write(tp
, 0xf0, ERIAR_MASK_1111
, w
[0] << 16);
2131 rtl_eri_write(tp
, 0xf4, ERIAR_MASK_1111
, w
[1] | (w
[2] << 16));
2134 u16
rtl8168h_2_get_adc_bias_ioffset(struct rtl8169_private
*tp
)
2136 u16 data1
, data2
, ioffset
;
2138 r8168_mac_ocp_write(tp
, 0xdd02, 0x807d);
2139 data1
= r8168_mac_ocp_read(tp
, 0xdd02);
2140 data2
= r8168_mac_ocp_read(tp
, 0xdd00);
2142 ioffset
= (data2
>> 1) & 0x7ff8;
2143 ioffset
|= data2
& 0x0007;
2150 static void rtl_schedule_task(struct rtl8169_private
*tp
, enum rtl_flag flag
)
2152 set_bit(flag
, tp
->wk
.flags
);
2153 schedule_work(&tp
->wk
.work
);
2156 static void rtl8169_init_phy(struct rtl8169_private
*tp
)
2158 r8169_hw_phy_config(tp
, tp
->phydev
, tp
->mac_version
);
2160 if (tp
->mac_version
<= RTL_GIGA_MAC_VER_06
) {
2161 pci_write_config_byte(tp
->pci_dev
, PCI_LATENCY_TIMER
, 0x40);
2162 pci_write_config_byte(tp
->pci_dev
, PCI_CACHE_LINE_SIZE
, 0x08);
2163 /* set undocumented MAC Reg C+CR Offset 0x82h */
2164 RTL_W8(tp
, 0x82, 0x01);
2167 if (tp
->mac_version
== RTL_GIGA_MAC_VER_05
&&
2168 tp
->pci_dev
->subsystem_vendor
== PCI_VENDOR_ID_GIGABYTE
&&
2169 tp
->pci_dev
->subsystem_device
== 0xe000)
2170 phy_write_paged(tp
->phydev
, 0x0001, 0x10, 0xf01b);
2172 /* We may have called phy_speed_down before */
2173 phy_speed_up(tp
->phydev
);
2175 if (rtl_supports_eee(tp
))
2178 genphy_soft_reset(tp
->phydev
);
2181 static void rtl_rar_set(struct rtl8169_private
*tp
, u8
*addr
)
2183 rtl_unlock_config_regs(tp
);
2185 RTL_W32(tp
, MAC4
, addr
[4] | addr
[5] << 8);
2188 RTL_W32(tp
, MAC0
, addr
[0] | addr
[1] << 8 | addr
[2] << 16 | addr
[3] << 24);
2191 if (tp
->mac_version
== RTL_GIGA_MAC_VER_34
)
2192 rtl_rar_exgmac_set(tp
, addr
);
2194 rtl_lock_config_regs(tp
);
2197 static int rtl_set_mac_address(struct net_device
*dev
, void *p
)
2199 struct rtl8169_private
*tp
= netdev_priv(dev
);
2202 ret
= eth_mac_addr(dev
, p
);
2206 rtl_rar_set(tp
, dev
->dev_addr
);
2211 static void rtl_wol_suspend_quirk(struct rtl8169_private
*tp
)
2213 switch (tp
->mac_version
) {
2214 case RTL_GIGA_MAC_VER_25
:
2215 case RTL_GIGA_MAC_VER_26
:
2216 case RTL_GIGA_MAC_VER_29
:
2217 case RTL_GIGA_MAC_VER_30
:
2218 case RTL_GIGA_MAC_VER_32
:
2219 case RTL_GIGA_MAC_VER_33
:
2220 case RTL_GIGA_MAC_VER_34
:
2221 case RTL_GIGA_MAC_VER_37
... RTL_GIGA_MAC_VER_63
:
2222 RTL_W32(tp
, RxConfig
, RTL_R32(tp
, RxConfig
) |
2223 AcceptBroadcast
| AcceptMulticast
| AcceptMyPhys
);
2230 static void rtl_pll_power_down(struct rtl8169_private
*tp
)
2232 if (r8168_check_dash(tp
))
2235 if (tp
->mac_version
== RTL_GIGA_MAC_VER_32
||
2236 tp
->mac_version
== RTL_GIGA_MAC_VER_33
)
2237 rtl_ephy_write(tp
, 0x19, 0xff64);
2239 if (device_may_wakeup(tp_to_dev(tp
))) {
2240 phy_speed_down(tp
->phydev
, false);
2241 rtl_wol_suspend_quirk(tp
);
2245 switch (tp
->mac_version
) {
2246 case RTL_GIGA_MAC_VER_25
... RTL_GIGA_MAC_VER_33
:
2247 case RTL_GIGA_MAC_VER_37
:
2248 case RTL_GIGA_MAC_VER_39
:
2249 case RTL_GIGA_MAC_VER_43
:
2250 case RTL_GIGA_MAC_VER_44
:
2251 case RTL_GIGA_MAC_VER_45
:
2252 case RTL_GIGA_MAC_VER_46
:
2253 case RTL_GIGA_MAC_VER_47
:
2254 case RTL_GIGA_MAC_VER_48
:
2255 case RTL_GIGA_MAC_VER_50
... RTL_GIGA_MAC_VER_63
:
2256 RTL_W8(tp
, PMCH
, RTL_R8(tp
, PMCH
) & ~0x80);
2258 case RTL_GIGA_MAC_VER_40
:
2259 case RTL_GIGA_MAC_VER_41
:
2260 case RTL_GIGA_MAC_VER_49
:
2261 rtl_eri_clear_bits(tp
, 0x1a8, 0xfc000000);
2262 RTL_W8(tp
, PMCH
, RTL_R8(tp
, PMCH
) & ~0x80);
2269 static void rtl_pll_power_up(struct rtl8169_private
*tp
)
2271 switch (tp
->mac_version
) {
2272 case RTL_GIGA_MAC_VER_25
... RTL_GIGA_MAC_VER_33
:
2273 case RTL_GIGA_MAC_VER_37
:
2274 case RTL_GIGA_MAC_VER_39
:
2275 case RTL_GIGA_MAC_VER_43
:
2276 RTL_W8(tp
, PMCH
, RTL_R8(tp
, PMCH
) | 0x80);
2278 case RTL_GIGA_MAC_VER_44
:
2279 case RTL_GIGA_MAC_VER_45
:
2280 case RTL_GIGA_MAC_VER_46
:
2281 case RTL_GIGA_MAC_VER_47
:
2282 case RTL_GIGA_MAC_VER_48
:
2283 case RTL_GIGA_MAC_VER_50
... RTL_GIGA_MAC_VER_63
:
2284 RTL_W8(tp
, PMCH
, RTL_R8(tp
, PMCH
) | 0xc0);
2286 case RTL_GIGA_MAC_VER_40
:
2287 case RTL_GIGA_MAC_VER_41
:
2288 case RTL_GIGA_MAC_VER_49
:
2289 RTL_W8(tp
, PMCH
, RTL_R8(tp
, PMCH
) | 0xc0);
2290 rtl_eri_set_bits(tp
, 0x1a8, 0xfc000000);
2296 phy_resume(tp
->phydev
);
2299 static void rtl_init_rxcfg(struct rtl8169_private
*tp
)
2301 switch (tp
->mac_version
) {
2302 case RTL_GIGA_MAC_VER_02
... RTL_GIGA_MAC_VER_06
:
2303 case RTL_GIGA_MAC_VER_10
... RTL_GIGA_MAC_VER_17
:
2304 RTL_W32(tp
, RxConfig
, RX_FIFO_THRESH
| RX_DMA_BURST
);
2306 case RTL_GIGA_MAC_VER_18
... RTL_GIGA_MAC_VER_24
:
2307 case RTL_GIGA_MAC_VER_34
... RTL_GIGA_MAC_VER_36
:
2308 case RTL_GIGA_MAC_VER_38
:
2309 RTL_W32(tp
, RxConfig
, RX128_INT_EN
| RX_MULTI_EN
| RX_DMA_BURST
);
2311 case RTL_GIGA_MAC_VER_40
... RTL_GIGA_MAC_VER_52
:
2312 RTL_W32(tp
, RxConfig
, RX128_INT_EN
| RX_MULTI_EN
| RX_DMA_BURST
| RX_EARLY_OFF
);
2314 case RTL_GIGA_MAC_VER_60
... RTL_GIGA_MAC_VER_63
:
2315 RTL_W32(tp
, RxConfig
, RX_FETCH_DFLT_8125
| RX_DMA_BURST
);
2318 RTL_W32(tp
, RxConfig
, RX128_INT_EN
| RX_DMA_BURST
);
2323 static void rtl8169_init_ring_indexes(struct rtl8169_private
*tp
)
2325 tp
->dirty_tx
= tp
->cur_tx
= tp
->cur_rx
= 0;
2328 static void r8168c_hw_jumbo_enable(struct rtl8169_private
*tp
)
2330 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) | Jumbo_En0
);
2331 RTL_W8(tp
, Config4
, RTL_R8(tp
, Config4
) | Jumbo_En1
);
2334 static void r8168c_hw_jumbo_disable(struct rtl8169_private
*tp
)
2336 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) & ~Jumbo_En0
);
2337 RTL_W8(tp
, Config4
, RTL_R8(tp
, Config4
) & ~Jumbo_En1
);
2340 static void r8168dp_hw_jumbo_enable(struct rtl8169_private
*tp
)
2342 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) | Jumbo_En0
);
2345 static void r8168dp_hw_jumbo_disable(struct rtl8169_private
*tp
)
2347 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) & ~Jumbo_En0
);
2350 static void r8168e_hw_jumbo_enable(struct rtl8169_private
*tp
)
2352 RTL_W8(tp
, MaxTxPacketSize
, 0x3f);
2353 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) | Jumbo_En0
);
2354 RTL_W8(tp
, Config4
, RTL_R8(tp
, Config4
) | 0x01);
2357 static void r8168e_hw_jumbo_disable(struct rtl8169_private
*tp
)
2359 RTL_W8(tp
, MaxTxPacketSize
, 0x0c);
2360 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) & ~Jumbo_En0
);
2361 RTL_W8(tp
, Config4
, RTL_R8(tp
, Config4
) & ~0x01);
2364 static void r8168b_1_hw_jumbo_enable(struct rtl8169_private
*tp
)
2366 RTL_W8(tp
, Config4
, RTL_R8(tp
, Config4
) | (1 << 0));
2369 static void r8168b_1_hw_jumbo_disable(struct rtl8169_private
*tp
)
2371 RTL_W8(tp
, Config4
, RTL_R8(tp
, Config4
) & ~(1 << 0));
2374 static void rtl_jumbo_config(struct rtl8169_private
*tp
)
2376 bool jumbo
= tp
->dev
->mtu
> ETH_DATA_LEN
;
2378 rtl_unlock_config_regs(tp
);
2379 switch (tp
->mac_version
) {
2380 case RTL_GIGA_MAC_VER_12
:
2381 case RTL_GIGA_MAC_VER_17
:
2383 pcie_set_readrq(tp
->pci_dev
, 512);
2384 r8168b_1_hw_jumbo_enable(tp
);
2386 r8168b_1_hw_jumbo_disable(tp
);
2389 case RTL_GIGA_MAC_VER_18
... RTL_GIGA_MAC_VER_26
:
2391 pcie_set_readrq(tp
->pci_dev
, 512);
2392 r8168c_hw_jumbo_enable(tp
);
2394 r8168c_hw_jumbo_disable(tp
);
2397 case RTL_GIGA_MAC_VER_27
... RTL_GIGA_MAC_VER_28
:
2399 r8168dp_hw_jumbo_enable(tp
);
2401 r8168dp_hw_jumbo_disable(tp
);
2403 case RTL_GIGA_MAC_VER_31
... RTL_GIGA_MAC_VER_33
:
2405 pcie_set_readrq(tp
->pci_dev
, 512);
2406 r8168e_hw_jumbo_enable(tp
);
2408 r8168e_hw_jumbo_disable(tp
);
2414 rtl_lock_config_regs(tp
);
2416 if (!jumbo
&& pci_is_pcie(tp
->pci_dev
) && tp
->supports_gmii
)
2417 pcie_set_readrq(tp
->pci_dev
, 4096);
2420 DECLARE_RTL_COND(rtl_chipcmd_cond
)
2422 return RTL_R8(tp
, ChipCmd
) & CmdReset
;
2425 static void rtl_hw_reset(struct rtl8169_private
*tp
)
2427 RTL_W8(tp
, ChipCmd
, CmdReset
);
2429 rtl_loop_wait_low(tp
, &rtl_chipcmd_cond
, 100, 100);
2432 static void rtl_request_firmware(struct rtl8169_private
*tp
)
2434 struct rtl_fw
*rtl_fw
;
2436 /* firmware loaded already or no firmware available */
2437 if (tp
->rtl_fw
|| !tp
->fw_name
)
2440 rtl_fw
= kzalloc(sizeof(*rtl_fw
), GFP_KERNEL
);
2444 rtl_fw
->phy_write
= rtl_writephy
;
2445 rtl_fw
->phy_read
= rtl_readphy
;
2446 rtl_fw
->mac_mcu_write
= mac_mcu_write
;
2447 rtl_fw
->mac_mcu_read
= mac_mcu_read
;
2448 rtl_fw
->fw_name
= tp
->fw_name
;
2449 rtl_fw
->dev
= tp_to_dev(tp
);
2451 if (rtl_fw_request_firmware(rtl_fw
))
2454 tp
->rtl_fw
= rtl_fw
;
2457 static void rtl_rx_close(struct rtl8169_private
*tp
)
2459 RTL_W32(tp
, RxConfig
, RTL_R32(tp
, RxConfig
) & ~RX_CONFIG_ACCEPT_MASK
);
2462 DECLARE_RTL_COND(rtl_npq_cond
)
2464 return RTL_R8(tp
, TxPoll
) & NPQ
;
2467 DECLARE_RTL_COND(rtl_txcfg_empty_cond
)
2469 return RTL_R32(tp
, TxConfig
) & TXCFG_EMPTY
;
2472 DECLARE_RTL_COND(rtl_rxtx_empty_cond
)
2474 return (RTL_R8(tp
, MCU
) & RXTX_EMPTY
) == RXTX_EMPTY
;
2477 DECLARE_RTL_COND(rtl_rxtx_empty_cond_2
)
2479 /* IntrMitigate has new functionality on RTL8125 */
2480 return (RTL_R16(tp
, IntrMitigate
) & 0x0103) == 0x0103;
2483 static void rtl_wait_txrx_fifo_empty(struct rtl8169_private
*tp
)
2485 switch (tp
->mac_version
) {
2486 case RTL_GIGA_MAC_VER_40
... RTL_GIGA_MAC_VER_52
:
2487 rtl_loop_wait_high(tp
, &rtl_txcfg_empty_cond
, 100, 42);
2488 rtl_loop_wait_high(tp
, &rtl_rxtx_empty_cond
, 100, 42);
2490 case RTL_GIGA_MAC_VER_60
... RTL_GIGA_MAC_VER_61
:
2491 rtl_loop_wait_high(tp
, &rtl_rxtx_empty_cond
, 100, 42);
2493 case RTL_GIGA_MAC_VER_63
:
2494 RTL_W8(tp
, ChipCmd
, RTL_R8(tp
, ChipCmd
) | StopReq
);
2495 rtl_loop_wait_high(tp
, &rtl_rxtx_empty_cond
, 100, 42);
2496 rtl_loop_wait_high(tp
, &rtl_rxtx_empty_cond_2
, 100, 42);
2503 static void rtl_enable_rxdvgate(struct rtl8169_private
*tp
)
2505 RTL_W32(tp
, MISC
, RTL_R32(tp
, MISC
) | RXDV_GATED_EN
);
2507 rtl_wait_txrx_fifo_empty(tp
);
2510 static void rtl_set_tx_config_registers(struct rtl8169_private
*tp
)
2512 u32 val
= TX_DMA_BURST
<< TxDMAShift
|
2513 InterFrameGap
<< TxInterFrameGapShift
;
2515 if (rtl_is_8168evl_up(tp
))
2516 val
|= TXCFG_AUTO_FIFO
;
2518 RTL_W32(tp
, TxConfig
, val
);
2521 static void rtl_set_rx_max_size(struct rtl8169_private
*tp
)
2523 /* Low hurts. Let's disable the filtering. */
2524 RTL_W16(tp
, RxMaxSize
, R8169_RX_BUF_SIZE
+ 1);
2527 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private
*tp
)
2530 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
2531 * register to be written before TxDescAddrLow to work.
2532 * Switching from MMIO to I/O access fixes the issue as well.
2534 RTL_W32(tp
, TxDescStartAddrHigh
, ((u64
) tp
->TxPhyAddr
) >> 32);
2535 RTL_W32(tp
, TxDescStartAddrLow
, ((u64
) tp
->TxPhyAddr
) & DMA_BIT_MASK(32));
2536 RTL_W32(tp
, RxDescAddrHigh
, ((u64
) tp
->RxPhyAddr
) >> 32);
2537 RTL_W32(tp
, RxDescAddrLow
, ((u64
) tp
->RxPhyAddr
) & DMA_BIT_MASK(32));
2540 static void rtl8169_set_magic_reg(struct rtl8169_private
*tp
)
2544 if (tp
->mac_version
== RTL_GIGA_MAC_VER_05
)
2546 else if (tp
->mac_version
== RTL_GIGA_MAC_VER_06
)
2551 if (RTL_R8(tp
, Config2
) & PCI_Clock_66MHz
)
2554 RTL_W32(tp
, 0x7c, val
);
2557 static void rtl_set_rx_mode(struct net_device
*dev
)
2559 u32 rx_mode
= AcceptBroadcast
| AcceptMyPhys
| AcceptMulticast
;
2560 /* Multicast hash filter */
2561 u32 mc_filter
[2] = { 0xffffffff, 0xffffffff };
2562 struct rtl8169_private
*tp
= netdev_priv(dev
);
2565 if (dev
->flags
& IFF_PROMISC
) {
2566 rx_mode
|= AcceptAllPhys
;
2567 } else if (netdev_mc_count(dev
) > MC_FILTER_LIMIT
||
2568 dev
->flags
& IFF_ALLMULTI
||
2569 tp
->mac_version
== RTL_GIGA_MAC_VER_35
) {
2570 /* accept all multicasts */
2571 } else if (netdev_mc_empty(dev
)) {
2572 rx_mode
&= ~AcceptMulticast
;
2574 struct netdev_hw_addr
*ha
;
2576 mc_filter
[1] = mc_filter
[0] = 0;
2577 netdev_for_each_mc_addr(ha
, dev
) {
2578 u32 bit_nr
= eth_hw_addr_crc(ha
) >> 26;
2579 mc_filter
[bit_nr
>> 5] |= BIT(bit_nr
& 31);
2582 if (tp
->mac_version
> RTL_GIGA_MAC_VER_06
) {
2584 mc_filter
[0] = swab32(mc_filter
[1]);
2585 mc_filter
[1] = swab32(tmp
);
2589 RTL_W32(tp
, MAR0
+ 4, mc_filter
[1]);
2590 RTL_W32(tp
, MAR0
+ 0, mc_filter
[0]);
2592 tmp
= RTL_R32(tp
, RxConfig
);
2593 RTL_W32(tp
, RxConfig
, (tmp
& ~RX_CONFIG_ACCEPT_OK_MASK
) | rx_mode
);
2596 DECLARE_RTL_COND(rtl_csiar_cond
)
2598 return RTL_R32(tp
, CSIAR
) & CSIAR_FLAG
;
2601 static void rtl_csi_write(struct rtl8169_private
*tp
, int addr
, int value
)
2603 u32 func
= PCI_FUNC(tp
->pci_dev
->devfn
);
2605 RTL_W32(tp
, CSIDR
, value
);
2606 RTL_W32(tp
, CSIAR
, CSIAR_WRITE_CMD
| (addr
& CSIAR_ADDR_MASK
) |
2607 CSIAR_BYTE_ENABLE
| func
<< 16);
2609 rtl_loop_wait_low(tp
, &rtl_csiar_cond
, 10, 100);
2612 static u32
rtl_csi_read(struct rtl8169_private
*tp
, int addr
)
2614 u32 func
= PCI_FUNC(tp
->pci_dev
->devfn
);
2616 RTL_W32(tp
, CSIAR
, (addr
& CSIAR_ADDR_MASK
) | func
<< 16 |
2619 return rtl_loop_wait_high(tp
, &rtl_csiar_cond
, 10, 100) ?
2620 RTL_R32(tp
, CSIDR
) : ~0;
2623 static void rtl_csi_access_enable(struct rtl8169_private
*tp
, u8 val
)
2625 struct pci_dev
*pdev
= tp
->pci_dev
;
2628 /* According to Realtek the value at config space address 0x070f
2629 * controls the L0s/L1 entrance latency. We try standard ECAM access
2630 * first and if it fails fall back to CSI.
2632 if (pdev
->cfg_size
> 0x070f &&
2633 pci_write_config_byte(pdev
, 0x070f, val
) == PCIBIOS_SUCCESSFUL
)
2636 netdev_notice_once(tp
->dev
,
2637 "No native access to PCI extended config space, falling back to CSI\n");
2638 csi
= rtl_csi_read(tp
, 0x070c) & 0x00ffffff;
2639 rtl_csi_write(tp
, 0x070c, csi
| val
<< 24);
2642 static void rtl_set_def_aspm_entry_latency(struct rtl8169_private
*tp
)
2644 rtl_csi_access_enable(tp
, 0x27);
2648 unsigned int offset
;
2653 static void __rtl_ephy_init(struct rtl8169_private
*tp
,
2654 const struct ephy_info
*e
, int len
)
2659 w
= (rtl_ephy_read(tp
, e
->offset
) & ~e
->mask
) | e
->bits
;
2660 rtl_ephy_write(tp
, e
->offset
, w
);
2665 #define rtl_ephy_init(tp, a) __rtl_ephy_init(tp, a, ARRAY_SIZE(a))
2667 static void rtl_disable_clock_request(struct rtl8169_private
*tp
)
2669 pcie_capability_clear_word(tp
->pci_dev
, PCI_EXP_LNKCTL
,
2670 PCI_EXP_LNKCTL_CLKREQ_EN
);
2673 static void rtl_enable_clock_request(struct rtl8169_private
*tp
)
2675 pcie_capability_set_word(tp
->pci_dev
, PCI_EXP_LNKCTL
,
2676 PCI_EXP_LNKCTL_CLKREQ_EN
);
2679 static void rtl_pcie_state_l2l3_disable(struct rtl8169_private
*tp
)
2681 /* work around an issue when PCI reset occurs during L2/L3 state */
2682 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) & ~Rdy_to_L23
);
2685 static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private
*tp
, bool enable
)
2687 /* Don't enable ASPM in the chip if OS can't control ASPM */
2688 if (enable
&& tp
->aspm_manageable
) {
2689 RTL_W8(tp
, Config5
, RTL_R8(tp
, Config5
) | ASPM_en
);
2690 RTL_W8(tp
, Config2
, RTL_R8(tp
, Config2
) | ClkReqEn
);
2692 RTL_W8(tp
, Config2
, RTL_R8(tp
, Config2
) & ~ClkReqEn
);
2693 RTL_W8(tp
, Config5
, RTL_R8(tp
, Config5
) & ~ASPM_en
);
2699 static void rtl_set_fifo_size(struct rtl8169_private
*tp
, u16 rx_stat
,
2700 u16 tx_stat
, u16 rx_dyn
, u16 tx_dyn
)
2702 /* Usage of dynamic vs. static FIFO is controlled by bit
2703 * TXCFG_AUTO_FIFO. Exact meaning of FIFO values isn't known.
2705 rtl_eri_write(tp
, 0xc8, ERIAR_MASK_1111
, (rx_stat
<< 16) | rx_dyn
);
2706 rtl_eri_write(tp
, 0xe8, ERIAR_MASK_1111
, (tx_stat
<< 16) | tx_dyn
);
2709 static void rtl8168g_set_pause_thresholds(struct rtl8169_private
*tp
,
2712 /* FIFO thresholds for pause flow control */
2713 rtl_eri_write(tp
, 0xcc, ERIAR_MASK_0001
, low
);
2714 rtl_eri_write(tp
, 0xd0, ERIAR_MASK_0001
, high
);
2717 static void rtl_hw_start_8168b(struct rtl8169_private
*tp
)
2719 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) & ~Beacon_en
);
2722 static void __rtl_hw_start_8168cp(struct rtl8169_private
*tp
)
2724 RTL_W8(tp
, Config1
, RTL_R8(tp
, Config1
) | Speed_down
);
2726 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) & ~Beacon_en
);
2728 rtl_disable_clock_request(tp
);
2731 static void rtl_hw_start_8168cp_1(struct rtl8169_private
*tp
)
2733 static const struct ephy_info e_info_8168cp
[] = {
2734 { 0x01, 0, 0x0001 },
2735 { 0x02, 0x0800, 0x1000 },
2736 { 0x03, 0, 0x0042 },
2737 { 0x06, 0x0080, 0x0000 },
2741 rtl_set_def_aspm_entry_latency(tp
);
2743 rtl_ephy_init(tp
, e_info_8168cp
);
2745 __rtl_hw_start_8168cp(tp
);
2748 static void rtl_hw_start_8168cp_2(struct rtl8169_private
*tp
)
2750 rtl_set_def_aspm_entry_latency(tp
);
2752 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) & ~Beacon_en
);
2755 static void rtl_hw_start_8168cp_3(struct rtl8169_private
*tp
)
2757 rtl_set_def_aspm_entry_latency(tp
);
2759 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) & ~Beacon_en
);
2762 RTL_W8(tp
, DBG_REG
, 0x20);
2765 static void rtl_hw_start_8168c_1(struct rtl8169_private
*tp
)
2767 static const struct ephy_info e_info_8168c_1
[] = {
2768 { 0x02, 0x0800, 0x1000 },
2769 { 0x03, 0, 0x0002 },
2770 { 0x06, 0x0080, 0x0000 }
2773 rtl_set_def_aspm_entry_latency(tp
);
2775 RTL_W8(tp
, DBG_REG
, 0x06 | FIX_NAK_1
| FIX_NAK_2
);
2777 rtl_ephy_init(tp
, e_info_8168c_1
);
2779 __rtl_hw_start_8168cp(tp
);
2782 static void rtl_hw_start_8168c_2(struct rtl8169_private
*tp
)
2784 static const struct ephy_info e_info_8168c_2
[] = {
2785 { 0x01, 0, 0x0001 },
2786 { 0x03, 0x0400, 0x0020 }
2789 rtl_set_def_aspm_entry_latency(tp
);
2791 rtl_ephy_init(tp
, e_info_8168c_2
);
2793 __rtl_hw_start_8168cp(tp
);
2796 static void rtl_hw_start_8168c_3(struct rtl8169_private
*tp
)
2798 rtl_hw_start_8168c_2(tp
);
2801 static void rtl_hw_start_8168c_4(struct rtl8169_private
*tp
)
2803 rtl_set_def_aspm_entry_latency(tp
);
2805 __rtl_hw_start_8168cp(tp
);
2808 static void rtl_hw_start_8168d(struct rtl8169_private
*tp
)
2810 rtl_set_def_aspm_entry_latency(tp
);
2812 rtl_disable_clock_request(tp
);
2815 static void rtl_hw_start_8168d_4(struct rtl8169_private
*tp
)
2817 static const struct ephy_info e_info_8168d_4
[] = {
2818 { 0x0b, 0x0000, 0x0048 },
2819 { 0x19, 0x0020, 0x0050 },
2820 { 0x0c, 0x0100, 0x0020 },
2821 { 0x10, 0x0004, 0x0000 },
2824 rtl_set_def_aspm_entry_latency(tp
);
2826 rtl_ephy_init(tp
, e_info_8168d_4
);
2828 rtl_enable_clock_request(tp
);
2831 static void rtl_hw_start_8168e_1(struct rtl8169_private
*tp
)
2833 static const struct ephy_info e_info_8168e_1
[] = {
2834 { 0x00, 0x0200, 0x0100 },
2835 { 0x00, 0x0000, 0x0004 },
2836 { 0x06, 0x0002, 0x0001 },
2837 { 0x06, 0x0000, 0x0030 },
2838 { 0x07, 0x0000, 0x2000 },
2839 { 0x00, 0x0000, 0x0020 },
2840 { 0x03, 0x5800, 0x2000 },
2841 { 0x03, 0x0000, 0x0001 },
2842 { 0x01, 0x0800, 0x1000 },
2843 { 0x07, 0x0000, 0x4000 },
2844 { 0x1e, 0x0000, 0x2000 },
2845 { 0x19, 0xffff, 0xfe6c },
2846 { 0x0a, 0x0000, 0x0040 }
2849 rtl_set_def_aspm_entry_latency(tp
);
2851 rtl_ephy_init(tp
, e_info_8168e_1
);
2853 rtl_disable_clock_request(tp
);
2855 /* Reset tx FIFO pointer */
2856 RTL_W32(tp
, MISC
, RTL_R32(tp
, MISC
) | TXPLA_RST
);
2857 RTL_W32(tp
, MISC
, RTL_R32(tp
, MISC
) & ~TXPLA_RST
);
2859 RTL_W8(tp
, Config5
, RTL_R8(tp
, Config5
) & ~Spi_en
);
2862 static void rtl_hw_start_8168e_2(struct rtl8169_private
*tp
)
2864 static const struct ephy_info e_info_8168e_2
[] = {
2865 { 0x09, 0x0000, 0x0080 },
2866 { 0x19, 0x0000, 0x0224 },
2867 { 0x00, 0x0000, 0x0004 },
2868 { 0x0c, 0x3df0, 0x0200 },
2871 rtl_set_def_aspm_entry_latency(tp
);
2873 rtl_ephy_init(tp
, e_info_8168e_2
);
2875 rtl_eri_write(tp
, 0xc0, ERIAR_MASK_0011
, 0x0000);
2876 rtl_eri_write(tp
, 0xb8, ERIAR_MASK_1111
, 0x0000);
2877 rtl_set_fifo_size(tp
, 0x10, 0x10, 0x02, 0x06);
2878 rtl_eri_set_bits(tp
, 0x0d4, 0x1f00);
2879 rtl_eri_set_bits(tp
, 0x1d0, BIT(1));
2880 rtl_reset_packet_filter(tp
);
2881 rtl_eri_set_bits(tp
, 0x1b0, BIT(4));
2882 rtl_eri_write(tp
, 0xcc, ERIAR_MASK_1111
, 0x00000050);
2883 rtl_eri_write(tp
, 0xd0, ERIAR_MASK_1111
, 0x07ff0060);
2885 rtl_disable_clock_request(tp
);
2887 RTL_W8(tp
, MCU
, RTL_R8(tp
, MCU
) & ~NOW_IS_OOB
);
2889 rtl8168_config_eee_mac(tp
);
2891 RTL_W8(tp
, DLLPR
, RTL_R8(tp
, DLLPR
) | PFM_EN
);
2892 RTL_W32(tp
, MISC
, RTL_R32(tp
, MISC
) | PWM_EN
);
2893 RTL_W8(tp
, Config5
, RTL_R8(tp
, Config5
) & ~Spi_en
);
2895 rtl_hw_aspm_clkreq_enable(tp
, true);
2898 static void rtl_hw_start_8168f(struct rtl8169_private
*tp
)
2900 rtl_set_def_aspm_entry_latency(tp
);
2902 rtl_eri_write(tp
, 0xc0, ERIAR_MASK_0011
, 0x0000);
2903 rtl_eri_write(tp
, 0xb8, ERIAR_MASK_1111
, 0x0000);
2904 rtl_set_fifo_size(tp
, 0x10, 0x10, 0x02, 0x06);
2905 rtl_reset_packet_filter(tp
);
2906 rtl_eri_set_bits(tp
, 0x1b0, BIT(4));
2907 rtl_eri_set_bits(tp
, 0x1d0, BIT(4) | BIT(1));
2908 rtl_eri_write(tp
, 0xcc, ERIAR_MASK_1111
, 0x00000050);
2909 rtl_eri_write(tp
, 0xd0, ERIAR_MASK_1111
, 0x00000060);
2911 rtl_disable_clock_request(tp
);
2913 RTL_W8(tp
, MCU
, RTL_R8(tp
, MCU
) & ~NOW_IS_OOB
);
2914 RTL_W8(tp
, DLLPR
, RTL_R8(tp
, DLLPR
) | PFM_EN
);
2915 RTL_W32(tp
, MISC
, RTL_R32(tp
, MISC
) | PWM_EN
);
2916 RTL_W8(tp
, Config5
, RTL_R8(tp
, Config5
) & ~Spi_en
);
2918 rtl8168_config_eee_mac(tp
);
2921 static void rtl_hw_start_8168f_1(struct rtl8169_private
*tp
)
2923 static const struct ephy_info e_info_8168f_1
[] = {
2924 { 0x06, 0x00c0, 0x0020 },
2925 { 0x08, 0x0001, 0x0002 },
2926 { 0x09, 0x0000, 0x0080 },
2927 { 0x19, 0x0000, 0x0224 },
2928 { 0x00, 0x0000, 0x0008 },
2929 { 0x0c, 0x3df0, 0x0200 },
2932 rtl_hw_start_8168f(tp
);
2934 rtl_ephy_init(tp
, e_info_8168f_1
);
2936 rtl_eri_set_bits(tp
, 0x0d4, 0x1f00);
2939 static void rtl_hw_start_8411(struct rtl8169_private
*tp
)
2941 static const struct ephy_info e_info_8168f_1
[] = {
2942 { 0x06, 0x00c0, 0x0020 },
2943 { 0x0f, 0xffff, 0x5200 },
2944 { 0x19, 0x0000, 0x0224 },
2945 { 0x00, 0x0000, 0x0008 },
2946 { 0x0c, 0x3df0, 0x0200 },
2949 rtl_hw_start_8168f(tp
);
2950 rtl_pcie_state_l2l3_disable(tp
);
2952 rtl_ephy_init(tp
, e_info_8168f_1
);
2954 rtl_eri_set_bits(tp
, 0x0d4, 0x0c00);
2957 static void rtl_hw_start_8168g(struct rtl8169_private
*tp
)
2959 rtl_set_fifo_size(tp
, 0x08, 0x10, 0x02, 0x06);
2960 rtl8168g_set_pause_thresholds(tp
, 0x38, 0x48);
2962 rtl_set_def_aspm_entry_latency(tp
);
2964 rtl_reset_packet_filter(tp
);
2965 rtl_eri_write(tp
, 0x2f8, ERIAR_MASK_0011
, 0x1d8f);
2967 RTL_W32(tp
, MISC
, RTL_R32(tp
, MISC
) & ~RXDV_GATED_EN
);
2969 rtl_eri_write(tp
, 0xc0, ERIAR_MASK_0011
, 0x0000);
2970 rtl_eri_write(tp
, 0xb8, ERIAR_MASK_0011
, 0x0000);
2971 rtl_eri_set_bits(tp
, 0x0d4, 0x1f80);
2973 rtl8168_config_eee_mac(tp
);
2975 rtl_w0w1_eri(tp
, 0x2fc, 0x01, 0x06);
2976 rtl_eri_clear_bits(tp
, 0x1b0, BIT(12));
2978 rtl_pcie_state_l2l3_disable(tp
);
2981 static void rtl_hw_start_8168g_1(struct rtl8169_private
*tp
)
2983 static const struct ephy_info e_info_8168g_1
[] = {
2984 { 0x00, 0x0008, 0x0000 },
2985 { 0x0c, 0x3ff0, 0x0820 },
2986 { 0x1e, 0x0000, 0x0001 },
2987 { 0x19, 0x8000, 0x0000 }
2990 rtl_hw_start_8168g(tp
);
2992 /* disable aspm and clock request before access ephy */
2993 rtl_hw_aspm_clkreq_enable(tp
, false);
2994 rtl_ephy_init(tp
, e_info_8168g_1
);
2995 rtl_hw_aspm_clkreq_enable(tp
, true);
2998 static void rtl_hw_start_8168g_2(struct rtl8169_private
*tp
)
3000 static const struct ephy_info e_info_8168g_2
[] = {
3001 { 0x00, 0x0008, 0x0000 },
3002 { 0x0c, 0x3ff0, 0x0820 },
3003 { 0x19, 0xffff, 0x7c00 },
3004 { 0x1e, 0xffff, 0x20eb },
3005 { 0x0d, 0xffff, 0x1666 },
3006 { 0x00, 0xffff, 0x10a3 },
3007 { 0x06, 0xffff, 0xf050 },
3008 { 0x04, 0x0000, 0x0010 },
3009 { 0x1d, 0x4000, 0x0000 },
3012 rtl_hw_start_8168g(tp
);
3014 /* disable aspm and clock request before access ephy */
3015 rtl_hw_aspm_clkreq_enable(tp
, false);
3016 rtl_ephy_init(tp
, e_info_8168g_2
);
3019 static void rtl_hw_start_8411_2(struct rtl8169_private
*tp
)
3021 static const struct ephy_info e_info_8411_2
[] = {
3022 { 0x00, 0x0008, 0x0000 },
3023 { 0x0c, 0x37d0, 0x0820 },
3024 { 0x1e, 0x0000, 0x0001 },
3025 { 0x19, 0x8021, 0x0000 },
3026 { 0x1e, 0x0000, 0x2000 },
3027 { 0x0d, 0x0100, 0x0200 },
3028 { 0x00, 0x0000, 0x0080 },
3029 { 0x06, 0x0000, 0x0010 },
3030 { 0x04, 0x0000, 0x0010 },
3031 { 0x1d, 0x0000, 0x4000 },
3034 rtl_hw_start_8168g(tp
);
3036 /* disable aspm and clock request before access ephy */
3037 rtl_hw_aspm_clkreq_enable(tp
, false);
3038 rtl_ephy_init(tp
, e_info_8411_2
);
3040 /* The following Realtek-provided magic fixes an issue with the RX unit
3041 * getting confused after the PHY having been powered-down.
3043 r8168_mac_ocp_write(tp
, 0xFC28, 0x0000);
3044 r8168_mac_ocp_write(tp
, 0xFC2A, 0x0000);
3045 r8168_mac_ocp_write(tp
, 0xFC2C, 0x0000);
3046 r8168_mac_ocp_write(tp
, 0xFC2E, 0x0000);
3047 r8168_mac_ocp_write(tp
, 0xFC30, 0x0000);
3048 r8168_mac_ocp_write(tp
, 0xFC32, 0x0000);
3049 r8168_mac_ocp_write(tp
, 0xFC34, 0x0000);
3050 r8168_mac_ocp_write(tp
, 0xFC36, 0x0000);
3052 r8168_mac_ocp_write(tp
, 0xFC26, 0x0000);
3054 r8168_mac_ocp_write(tp
, 0xF800, 0xE008);
3055 r8168_mac_ocp_write(tp
, 0xF802, 0xE00A);
3056 r8168_mac_ocp_write(tp
, 0xF804, 0xE00C);
3057 r8168_mac_ocp_write(tp
, 0xF806, 0xE00E);
3058 r8168_mac_ocp_write(tp
, 0xF808, 0xE027);
3059 r8168_mac_ocp_write(tp
, 0xF80A, 0xE04F);
3060 r8168_mac_ocp_write(tp
, 0xF80C, 0xE05E);
3061 r8168_mac_ocp_write(tp
, 0xF80E, 0xE065);
3062 r8168_mac_ocp_write(tp
, 0xF810, 0xC602);
3063 r8168_mac_ocp_write(tp
, 0xF812, 0xBE00);
3064 r8168_mac_ocp_write(tp
, 0xF814, 0x0000);
3065 r8168_mac_ocp_write(tp
, 0xF816, 0xC502);
3066 r8168_mac_ocp_write(tp
, 0xF818, 0xBD00);
3067 r8168_mac_ocp_write(tp
, 0xF81A, 0x074C);
3068 r8168_mac_ocp_write(tp
, 0xF81C, 0xC302);
3069 r8168_mac_ocp_write(tp
, 0xF81E, 0xBB00);
3070 r8168_mac_ocp_write(tp
, 0xF820, 0x080A);
3071 r8168_mac_ocp_write(tp
, 0xF822, 0x6420);
3072 r8168_mac_ocp_write(tp
, 0xF824, 0x48C2);
3073 r8168_mac_ocp_write(tp
, 0xF826, 0x8C20);
3074 r8168_mac_ocp_write(tp
, 0xF828, 0xC516);
3075 r8168_mac_ocp_write(tp
, 0xF82A, 0x64A4);
3076 r8168_mac_ocp_write(tp
, 0xF82C, 0x49C0);
3077 r8168_mac_ocp_write(tp
, 0xF82E, 0xF009);
3078 r8168_mac_ocp_write(tp
, 0xF830, 0x74A2);
3079 r8168_mac_ocp_write(tp
, 0xF832, 0x8CA5);
3080 r8168_mac_ocp_write(tp
, 0xF834, 0x74A0);
3081 r8168_mac_ocp_write(tp
, 0xF836, 0xC50E);
3082 r8168_mac_ocp_write(tp
, 0xF838, 0x9CA2);
3083 r8168_mac_ocp_write(tp
, 0xF83A, 0x1C11);
3084 r8168_mac_ocp_write(tp
, 0xF83C, 0x9CA0);
3085 r8168_mac_ocp_write(tp
, 0xF83E, 0xE006);
3086 r8168_mac_ocp_write(tp
, 0xF840, 0x74F8);
3087 r8168_mac_ocp_write(tp
, 0xF842, 0x48C4);
3088 r8168_mac_ocp_write(tp
, 0xF844, 0x8CF8);
3089 r8168_mac_ocp_write(tp
, 0xF846, 0xC404);
3090 r8168_mac_ocp_write(tp
, 0xF848, 0xBC00);
3091 r8168_mac_ocp_write(tp
, 0xF84A, 0xC403);
3092 r8168_mac_ocp_write(tp
, 0xF84C, 0xBC00);
3093 r8168_mac_ocp_write(tp
, 0xF84E, 0x0BF2);
3094 r8168_mac_ocp_write(tp
, 0xF850, 0x0C0A);
3095 r8168_mac_ocp_write(tp
, 0xF852, 0xE434);
3096 r8168_mac_ocp_write(tp
, 0xF854, 0xD3C0);
3097 r8168_mac_ocp_write(tp
, 0xF856, 0x49D9);
3098 r8168_mac_ocp_write(tp
, 0xF858, 0xF01F);
3099 r8168_mac_ocp_write(tp
, 0xF85A, 0xC526);
3100 r8168_mac_ocp_write(tp
, 0xF85C, 0x64A5);
3101 r8168_mac_ocp_write(tp
, 0xF85E, 0x1400);
3102 r8168_mac_ocp_write(tp
, 0xF860, 0xF007);
3103 r8168_mac_ocp_write(tp
, 0xF862, 0x0C01);
3104 r8168_mac_ocp_write(tp
, 0xF864, 0x8CA5);
3105 r8168_mac_ocp_write(tp
, 0xF866, 0x1C15);
3106 r8168_mac_ocp_write(tp
, 0xF868, 0xC51B);
3107 r8168_mac_ocp_write(tp
, 0xF86A, 0x9CA0);
3108 r8168_mac_ocp_write(tp
, 0xF86C, 0xE013);
3109 r8168_mac_ocp_write(tp
, 0xF86E, 0xC519);
3110 r8168_mac_ocp_write(tp
, 0xF870, 0x74A0);
3111 r8168_mac_ocp_write(tp
, 0xF872, 0x48C4);
3112 r8168_mac_ocp_write(tp
, 0xF874, 0x8CA0);
3113 r8168_mac_ocp_write(tp
, 0xF876, 0xC516);
3114 r8168_mac_ocp_write(tp
, 0xF878, 0x74A4);
3115 r8168_mac_ocp_write(tp
, 0xF87A, 0x48C8);
3116 r8168_mac_ocp_write(tp
, 0xF87C, 0x48CA);
3117 r8168_mac_ocp_write(tp
, 0xF87E, 0x9CA4);
3118 r8168_mac_ocp_write(tp
, 0xF880, 0xC512);
3119 r8168_mac_ocp_write(tp
, 0xF882, 0x1B00);
3120 r8168_mac_ocp_write(tp
, 0xF884, 0x9BA0);
3121 r8168_mac_ocp_write(tp
, 0xF886, 0x1B1C);
3122 r8168_mac_ocp_write(tp
, 0xF888, 0x483F);
3123 r8168_mac_ocp_write(tp
, 0xF88A, 0x9BA2);
3124 r8168_mac_ocp_write(tp
, 0xF88C, 0x1B04);
3125 r8168_mac_ocp_write(tp
, 0xF88E, 0xC508);
3126 r8168_mac_ocp_write(tp
, 0xF890, 0x9BA0);
3127 r8168_mac_ocp_write(tp
, 0xF892, 0xC505);
3128 r8168_mac_ocp_write(tp
, 0xF894, 0xBD00);
3129 r8168_mac_ocp_write(tp
, 0xF896, 0xC502);
3130 r8168_mac_ocp_write(tp
, 0xF898, 0xBD00);
3131 r8168_mac_ocp_write(tp
, 0xF89A, 0x0300);
3132 r8168_mac_ocp_write(tp
, 0xF89C, 0x051E);
3133 r8168_mac_ocp_write(tp
, 0xF89E, 0xE434);
3134 r8168_mac_ocp_write(tp
, 0xF8A0, 0xE018);
3135 r8168_mac_ocp_write(tp
, 0xF8A2, 0xE092);
3136 r8168_mac_ocp_write(tp
, 0xF8A4, 0xDE20);
3137 r8168_mac_ocp_write(tp
, 0xF8A6, 0xD3C0);
3138 r8168_mac_ocp_write(tp
, 0xF8A8, 0xC50F);
3139 r8168_mac_ocp_write(tp
, 0xF8AA, 0x76A4);
3140 r8168_mac_ocp_write(tp
, 0xF8AC, 0x49E3);
3141 r8168_mac_ocp_write(tp
, 0xF8AE, 0xF007);
3142 r8168_mac_ocp_write(tp
, 0xF8B0, 0x49C0);
3143 r8168_mac_ocp_write(tp
, 0xF8B2, 0xF103);
3144 r8168_mac_ocp_write(tp
, 0xF8B4, 0xC607);
3145 r8168_mac_ocp_write(tp
, 0xF8B6, 0xBE00);
3146 r8168_mac_ocp_write(tp
, 0xF8B8, 0xC606);
3147 r8168_mac_ocp_write(tp
, 0xF8BA, 0xBE00);
3148 r8168_mac_ocp_write(tp
, 0xF8BC, 0xC602);
3149 r8168_mac_ocp_write(tp
, 0xF8BE, 0xBE00);
3150 r8168_mac_ocp_write(tp
, 0xF8C0, 0x0C4C);
3151 r8168_mac_ocp_write(tp
, 0xF8C2, 0x0C28);
3152 r8168_mac_ocp_write(tp
, 0xF8C4, 0x0C2C);
3153 r8168_mac_ocp_write(tp
, 0xF8C6, 0xDC00);
3154 r8168_mac_ocp_write(tp
, 0xF8C8, 0xC707);
3155 r8168_mac_ocp_write(tp
, 0xF8CA, 0x1D00);
3156 r8168_mac_ocp_write(tp
, 0xF8CC, 0x8DE2);
3157 r8168_mac_ocp_write(tp
, 0xF8CE, 0x48C1);
3158 r8168_mac_ocp_write(tp
, 0xF8D0, 0xC502);
3159 r8168_mac_ocp_write(tp
, 0xF8D2, 0xBD00);
3160 r8168_mac_ocp_write(tp
, 0xF8D4, 0x00AA);
3161 r8168_mac_ocp_write(tp
, 0xF8D6, 0xE0C0);
3162 r8168_mac_ocp_write(tp
, 0xF8D8, 0xC502);
3163 r8168_mac_ocp_write(tp
, 0xF8DA, 0xBD00);
3164 r8168_mac_ocp_write(tp
, 0xF8DC, 0x0132);
3166 r8168_mac_ocp_write(tp
, 0xFC26, 0x8000);
3168 r8168_mac_ocp_write(tp
, 0xFC2A, 0x0743);
3169 r8168_mac_ocp_write(tp
, 0xFC2C, 0x0801);
3170 r8168_mac_ocp_write(tp
, 0xFC2E, 0x0BE9);
3171 r8168_mac_ocp_write(tp
, 0xFC30, 0x02FD);
3172 r8168_mac_ocp_write(tp
, 0xFC32, 0x0C25);
3173 r8168_mac_ocp_write(tp
, 0xFC34, 0x00A9);
3174 r8168_mac_ocp_write(tp
, 0xFC36, 0x012D);
3176 rtl_hw_aspm_clkreq_enable(tp
, true);
3179 static void rtl_hw_start_8168h_1(struct rtl8169_private
*tp
)
3181 static const struct ephy_info e_info_8168h_1
[] = {
3182 { 0x1e, 0x0800, 0x0001 },
3183 { 0x1d, 0x0000, 0x0800 },
3184 { 0x05, 0xffff, 0x2089 },
3185 { 0x06, 0xffff, 0x5881 },
3186 { 0x04, 0xffff, 0x854a },
3187 { 0x01, 0xffff, 0x068b }
3191 /* disable aspm and clock request before access ephy */
3192 rtl_hw_aspm_clkreq_enable(tp
, false);
3193 rtl_ephy_init(tp
, e_info_8168h_1
);
3195 rtl_set_fifo_size(tp
, 0x08, 0x10, 0x02, 0x06);
3196 rtl8168g_set_pause_thresholds(tp
, 0x38, 0x48);
3198 rtl_set_def_aspm_entry_latency(tp
);
3200 rtl_reset_packet_filter(tp
);
3202 rtl_eri_set_bits(tp
, 0xd4, 0x1f00);
3203 rtl_eri_set_bits(tp
, 0xdc, 0x001c);
3205 rtl_eri_write(tp
, 0x5f0, ERIAR_MASK_0011
, 0x4f87);
3207 RTL_W32(tp
, MISC
, RTL_R32(tp
, MISC
) & ~RXDV_GATED_EN
);
3209 rtl_eri_write(tp
, 0xc0, ERIAR_MASK_0011
, 0x0000);
3210 rtl_eri_write(tp
, 0xb8, ERIAR_MASK_0011
, 0x0000);
3212 rtl8168_config_eee_mac(tp
);
3214 RTL_W8(tp
, DLLPR
, RTL_R8(tp
, DLLPR
) & ~PFM_EN
);
3215 RTL_W8(tp
, MISC_1
, RTL_R8(tp
, MISC_1
) & ~PFM_D3COLD_EN
);
3217 RTL_W8(tp
, DLLPR
, RTL_R8(tp
, DLLPR
) & ~TX_10M_PS_EN
);
3219 rtl_eri_clear_bits(tp
, 0x1b0, BIT(12));
3221 rtl_pcie_state_l2l3_disable(tp
);
3223 rg_saw_cnt
= phy_read_paged(tp
->phydev
, 0x0c42, 0x13) & 0x3fff;
3224 if (rg_saw_cnt
> 0) {
3227 sw_cnt_1ms_ini
= 16000000/rg_saw_cnt
;
3228 sw_cnt_1ms_ini
&= 0x0fff;
3229 r8168_mac_ocp_modify(tp
, 0xd412, 0x0fff, sw_cnt_1ms_ini
);
3232 r8168_mac_ocp_modify(tp
, 0xe056, 0x00f0, 0x0070);
3233 r8168_mac_ocp_modify(tp
, 0xe052, 0x6000, 0x8008);
3234 r8168_mac_ocp_modify(tp
, 0xe0d6, 0x01ff, 0x017f);
3235 r8168_mac_ocp_modify(tp
, 0xd420, 0x0fff, 0x047f);
3237 r8168_mac_ocp_write(tp
, 0xe63e, 0x0001);
3238 r8168_mac_ocp_write(tp
, 0xe63e, 0x0000);
3239 r8168_mac_ocp_write(tp
, 0xc094, 0x0000);
3240 r8168_mac_ocp_write(tp
, 0xc09e, 0x0000);
3242 rtl_hw_aspm_clkreq_enable(tp
, true);
3245 static void rtl_hw_start_8168ep(struct rtl8169_private
*tp
)
3247 rtl8168ep_stop_cmac(tp
);
3249 rtl_set_fifo_size(tp
, 0x08, 0x10, 0x02, 0x06);
3250 rtl8168g_set_pause_thresholds(tp
, 0x2f, 0x5f);
3252 rtl_set_def_aspm_entry_latency(tp
);
3254 rtl_reset_packet_filter(tp
);
3256 rtl_eri_set_bits(tp
, 0xd4, 0x1f80);
3258 rtl_eri_write(tp
, 0x5f0, ERIAR_MASK_0011
, 0x4f87);
3260 RTL_W32(tp
, MISC
, RTL_R32(tp
, MISC
) & ~RXDV_GATED_EN
);
3262 rtl_eri_write(tp
, 0xc0, ERIAR_MASK_0011
, 0x0000);
3263 rtl_eri_write(tp
, 0xb8, ERIAR_MASK_0011
, 0x0000);
3265 rtl8168_config_eee_mac(tp
);
3267 rtl_w0w1_eri(tp
, 0x2fc, 0x01, 0x06);
3269 RTL_W8(tp
, DLLPR
, RTL_R8(tp
, DLLPR
) & ~TX_10M_PS_EN
);
3271 rtl_pcie_state_l2l3_disable(tp
);
3274 static void rtl_hw_start_8168ep_1(struct rtl8169_private
*tp
)
3276 static const struct ephy_info e_info_8168ep_1
[] = {
3277 { 0x00, 0xffff, 0x10ab },
3278 { 0x06, 0xffff, 0xf030 },
3279 { 0x08, 0xffff, 0x2006 },
3280 { 0x0d, 0xffff, 0x1666 },
3281 { 0x0c, 0x3ff0, 0x0000 }
3284 /* disable aspm and clock request before access ephy */
3285 rtl_hw_aspm_clkreq_enable(tp
, false);
3286 rtl_ephy_init(tp
, e_info_8168ep_1
);
3288 rtl_hw_start_8168ep(tp
);
3290 rtl_hw_aspm_clkreq_enable(tp
, true);
3293 static void rtl_hw_start_8168ep_2(struct rtl8169_private
*tp
)
3295 static const struct ephy_info e_info_8168ep_2
[] = {
3296 { 0x00, 0xffff, 0x10a3 },
3297 { 0x19, 0xffff, 0xfc00 },
3298 { 0x1e, 0xffff, 0x20ea }
3301 /* disable aspm and clock request before access ephy */
3302 rtl_hw_aspm_clkreq_enable(tp
, false);
3303 rtl_ephy_init(tp
, e_info_8168ep_2
);
3305 rtl_hw_start_8168ep(tp
);
3307 RTL_W8(tp
, DLLPR
, RTL_R8(tp
, DLLPR
) & ~PFM_EN
);
3308 RTL_W8(tp
, MISC_1
, RTL_R8(tp
, MISC_1
) & ~PFM_D3COLD_EN
);
3310 rtl_hw_aspm_clkreq_enable(tp
, true);
3313 static void rtl_hw_start_8168ep_3(struct rtl8169_private
*tp
)
3315 static const struct ephy_info e_info_8168ep_3
[] = {
3316 { 0x00, 0x0000, 0x0080 },
3317 { 0x0d, 0x0100, 0x0200 },
3318 { 0x19, 0x8021, 0x0000 },
3319 { 0x1e, 0x0000, 0x2000 },
3322 /* disable aspm and clock request before access ephy */
3323 rtl_hw_aspm_clkreq_enable(tp
, false);
3324 rtl_ephy_init(tp
, e_info_8168ep_3
);
3326 rtl_hw_start_8168ep(tp
);
3328 RTL_W8(tp
, DLLPR
, RTL_R8(tp
, DLLPR
) & ~PFM_EN
);
3329 RTL_W8(tp
, MISC_1
, RTL_R8(tp
, MISC_1
) & ~PFM_D3COLD_EN
);
3331 r8168_mac_ocp_modify(tp
, 0xd3e2, 0x0fff, 0x0271);
3332 r8168_mac_ocp_modify(tp
, 0xd3e4, 0x00ff, 0x0000);
3333 r8168_mac_ocp_modify(tp
, 0xe860, 0x0000, 0x0080);
3335 rtl_hw_aspm_clkreq_enable(tp
, true);
3338 static void rtl_hw_start_8117(struct rtl8169_private
*tp
)
3340 static const struct ephy_info e_info_8117
[] = {
3341 { 0x19, 0x0040, 0x1100 },
3342 { 0x59, 0x0040, 0x1100 },
3346 rtl8168ep_stop_cmac(tp
);
3348 /* disable aspm and clock request before access ephy */
3349 rtl_hw_aspm_clkreq_enable(tp
, false);
3350 rtl_ephy_init(tp
, e_info_8117
);
3352 rtl_set_fifo_size(tp
, 0x08, 0x10, 0x02, 0x06);
3353 rtl8168g_set_pause_thresholds(tp
, 0x2f, 0x5f);
3355 rtl_set_def_aspm_entry_latency(tp
);
3357 rtl_reset_packet_filter(tp
);
3359 rtl_eri_set_bits(tp
, 0xd4, 0x1f90);
3361 rtl_eri_write(tp
, 0x5f0, ERIAR_MASK_0011
, 0x4f87);
3363 RTL_W32(tp
, MISC
, RTL_R32(tp
, MISC
) & ~RXDV_GATED_EN
);
3365 rtl_eri_write(tp
, 0xc0, ERIAR_MASK_0011
, 0x0000);
3366 rtl_eri_write(tp
, 0xb8, ERIAR_MASK_0011
, 0x0000);
3368 rtl8168_config_eee_mac(tp
);
3370 RTL_W8(tp
, DLLPR
, RTL_R8(tp
, DLLPR
) & ~PFM_EN
);
3371 RTL_W8(tp
, MISC_1
, RTL_R8(tp
, MISC_1
) & ~PFM_D3COLD_EN
);
3373 RTL_W8(tp
, DLLPR
, RTL_R8(tp
, DLLPR
) & ~TX_10M_PS_EN
);
3375 rtl_eri_clear_bits(tp
, 0x1b0, BIT(12));
3377 rtl_pcie_state_l2l3_disable(tp
);
3379 rg_saw_cnt
= phy_read_paged(tp
->phydev
, 0x0c42, 0x13) & 0x3fff;
3380 if (rg_saw_cnt
> 0) {
3383 sw_cnt_1ms_ini
= (16000000 / rg_saw_cnt
) & 0x0fff;
3384 r8168_mac_ocp_modify(tp
, 0xd412, 0x0fff, sw_cnt_1ms_ini
);
3387 r8168_mac_ocp_modify(tp
, 0xe056, 0x00f0, 0x0070);
3388 r8168_mac_ocp_write(tp
, 0xea80, 0x0003);
3389 r8168_mac_ocp_modify(tp
, 0xe052, 0x0000, 0x0009);
3390 r8168_mac_ocp_modify(tp
, 0xd420, 0x0fff, 0x047f);
3392 r8168_mac_ocp_write(tp
, 0xe63e, 0x0001);
3393 r8168_mac_ocp_write(tp
, 0xe63e, 0x0000);
3394 r8168_mac_ocp_write(tp
, 0xc094, 0x0000);
3395 r8168_mac_ocp_write(tp
, 0xc09e, 0x0000);
3397 /* firmware is for MAC only */
3398 r8169_apply_firmware(tp
);
3400 rtl_hw_aspm_clkreq_enable(tp
, true);
3403 static void rtl_hw_start_8102e_1(struct rtl8169_private
*tp
)
3405 static const struct ephy_info e_info_8102e_1
[] = {
3406 { 0x01, 0, 0x6e65 },
3407 { 0x02, 0, 0x091f },
3408 { 0x03, 0, 0xc2f9 },
3409 { 0x06, 0, 0xafb5 },
3410 { 0x07, 0, 0x0e00 },
3411 { 0x19, 0, 0xec80 },
3412 { 0x01, 0, 0x2e65 },
3417 rtl_set_def_aspm_entry_latency(tp
);
3419 RTL_W8(tp
, DBG_REG
, FIX_NAK_1
);
3422 LEDS1
| LEDS0
| Speed_down
| MEMMAP
| IOMAP
| VPD
| PMEnable
);
3423 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) & ~Beacon_en
);
3425 cfg1
= RTL_R8(tp
, Config1
);
3426 if ((cfg1
& LEDS0
) && (cfg1
& LEDS1
))
3427 RTL_W8(tp
, Config1
, cfg1
& ~LEDS0
);
3429 rtl_ephy_init(tp
, e_info_8102e_1
);
3432 static void rtl_hw_start_8102e_2(struct rtl8169_private
*tp
)
3434 rtl_set_def_aspm_entry_latency(tp
);
3436 RTL_W8(tp
, Config1
, MEMMAP
| IOMAP
| VPD
| PMEnable
);
3437 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) & ~Beacon_en
);
3440 static void rtl_hw_start_8102e_3(struct rtl8169_private
*tp
)
3442 rtl_hw_start_8102e_2(tp
);
3444 rtl_ephy_write(tp
, 0x03, 0xc2f9);
3447 static void rtl_hw_start_8401(struct rtl8169_private
*tp
)
3449 static const struct ephy_info e_info_8401
[] = {
3450 { 0x01, 0xffff, 0x6fe5 },
3451 { 0x03, 0xffff, 0x0599 },
3452 { 0x06, 0xffff, 0xaf25 },
3453 { 0x07, 0xffff, 0x8e68 },
3456 rtl_ephy_init(tp
, e_info_8401
);
3457 RTL_W8(tp
, Config3
, RTL_R8(tp
, Config3
) & ~Beacon_en
);
3460 static void rtl_hw_start_8105e_1(struct rtl8169_private
*tp
)
3462 static const struct ephy_info e_info_8105e_1
[] = {
3463 { 0x07, 0, 0x4000 },
3464 { 0x19, 0, 0x0200 },
3465 { 0x19, 0, 0x0020 },
3466 { 0x1e, 0, 0x2000 },
3467 { 0x03, 0, 0x0001 },
3468 { 0x19, 0, 0x0100 },
3469 { 0x19, 0, 0x0004 },
3473 /* Force LAN exit from ASPM if Rx/Tx are not idle */
3474 RTL_W32(tp
, FuncEvent
, RTL_R32(tp
, FuncEvent
) | 0x002800);
3476 /* Disable Early Tally Counter */
3477 RTL_W32(tp
, FuncEvent
, RTL_R32(tp
, FuncEvent
) & ~0x010000);
3479 RTL_W8(tp
, MCU
, RTL_R8(tp
, MCU
) | EN_NDP
| EN_OOB_RESET
);
3480 RTL_W8(tp
, DLLPR
, RTL_R8(tp
, DLLPR
) | PFM_EN
);
3482 rtl_ephy_init(tp
, e_info_8105e_1
);
3484 rtl_pcie_state_l2l3_disable(tp
);
3487 static void rtl_hw_start_8105e_2(struct rtl8169_private
*tp
)
3489 rtl_hw_start_8105e_1(tp
);
3490 rtl_ephy_write(tp
, 0x1e, rtl_ephy_read(tp
, 0x1e) | 0x8000);
3493 static void rtl_hw_start_8402(struct rtl8169_private
*tp
)
3495 static const struct ephy_info e_info_8402
[] = {
3496 { 0x19, 0xffff, 0xff64 },
3500 rtl_set_def_aspm_entry_latency(tp
);
3502 /* Force LAN exit from ASPM if Rx/Tx are not idle */
3503 RTL_W32(tp
, FuncEvent
, RTL_R32(tp
, FuncEvent
) | 0x002800);
3505 RTL_W8(tp
, MCU
, RTL_R8(tp
, MCU
) & ~NOW_IS_OOB
);
3507 rtl_ephy_init(tp
, e_info_8402
);
3509 rtl_set_fifo_size(tp
, 0x00, 0x00, 0x02, 0x06);
3510 rtl_reset_packet_filter(tp
);
3511 rtl_eri_write(tp
, 0xc0, ERIAR_MASK_0011
, 0x0000);
3512 rtl_eri_write(tp
, 0xb8, ERIAR_MASK_0011
, 0x0000);
3513 rtl_w0w1_eri(tp
, 0x0d4, 0x0e00, 0xff00);
3516 rtl_eri_write(tp
, 0x1b0, ERIAR_MASK_0011
, 0x0000);
3518 rtl_pcie_state_l2l3_disable(tp
);
3521 static void rtl_hw_start_8106(struct rtl8169_private
*tp
)
3523 rtl_hw_aspm_clkreq_enable(tp
, false);
3525 /* Force LAN exit from ASPM if Rx/Tx are not idle */
3526 RTL_W32(tp
, FuncEvent
, RTL_R32(tp
, FuncEvent
) | 0x002800);
3528 RTL_W32(tp
, MISC
, (RTL_R32(tp
, MISC
) | DISABLE_LAN_EN
) & ~EARLY_TALLY_EN
);
3529 RTL_W8(tp
, MCU
, RTL_R8(tp
, MCU
) | EN_NDP
| EN_OOB_RESET
);
3530 RTL_W8(tp
, DLLPR
, RTL_R8(tp
, DLLPR
) & ~PFM_EN
);
3532 rtl_eri_write(tp
, 0x1d0, ERIAR_MASK_0011
, 0x0000);
3535 rtl_eri_write(tp
, 0x1b0, ERIAR_MASK_0011
, 0x0000);
3537 rtl_pcie_state_l2l3_disable(tp
);
3538 rtl_hw_aspm_clkreq_enable(tp
, true);
3541 DECLARE_RTL_COND(rtl_mac_ocp_e00e_cond
)
3543 return r8168_mac_ocp_read(tp
, 0xe00e) & BIT(13);
3546 static void rtl_hw_start_8125_common(struct rtl8169_private
*tp
)
3548 rtl_pcie_state_l2l3_disable(tp
);
3550 RTL_W16(tp
, 0x382, 0x221b);
3551 RTL_W8(tp
, 0x4500, 0);
3552 RTL_W16(tp
, 0x4800, 0);
3555 r8168_mac_ocp_modify(tp
, 0xd40a, 0x0010, 0x0000);
3557 RTL_W8(tp
, Config1
, RTL_R8(tp
, Config1
) & ~0x10);
3559 r8168_mac_ocp_write(tp
, 0xc140, 0xffff);
3560 r8168_mac_ocp_write(tp
, 0xc142, 0xffff);
3562 r8168_mac_ocp_modify(tp
, 0xd3e2, 0x0fff, 0x03a9);
3563 r8168_mac_ocp_modify(tp
, 0xd3e4, 0x00ff, 0x0000);
3564 r8168_mac_ocp_modify(tp
, 0xe860, 0x0000, 0x0080);
3566 /* disable new tx descriptor format */
3567 r8168_mac_ocp_modify(tp
, 0xeb58, 0x0001, 0x0000);
3569 if (tp
->mac_version
== RTL_GIGA_MAC_VER_63
)
3570 r8168_mac_ocp_modify(tp
, 0xe614, 0x0700, 0x0200);
3572 r8168_mac_ocp_modify(tp
, 0xe614, 0x0700, 0x0400);
3574 if (tp
->mac_version
== RTL_GIGA_MAC_VER_63
)
3575 r8168_mac_ocp_modify(tp
, 0xe63e, 0x0c30, 0x0000);
3577 r8168_mac_ocp_modify(tp
, 0xe63e, 0x0c30, 0x0020);
3579 r8168_mac_ocp_modify(tp
, 0xc0b4, 0x0000, 0x000c);
3580 r8168_mac_ocp_modify(tp
, 0xeb6a, 0x00ff, 0x0033);
3581 r8168_mac_ocp_modify(tp
, 0xeb50, 0x03e0, 0x0040);
3582 r8168_mac_ocp_modify(tp
, 0xe056, 0x00f0, 0x0030);
3583 r8168_mac_ocp_modify(tp
, 0xe040, 0x1000, 0x0000);
3584 r8168_mac_ocp_modify(tp
, 0xea1c, 0x0003, 0x0001);
3585 r8168_mac_ocp_modify(tp
, 0xe0c0, 0x4f0f, 0x4403);
3586 r8168_mac_ocp_modify(tp
, 0xe052, 0x0080, 0x0068);
3587 r8168_mac_ocp_modify(tp
, 0xc0ac, 0x0080, 0x1f00);
3588 r8168_mac_ocp_modify(tp
, 0xd430, 0x0fff, 0x047f);
3590 r8168_mac_ocp_modify(tp
, 0xea1c, 0x0004, 0x0000);
3591 r8168_mac_ocp_modify(tp
, 0xeb54, 0x0000, 0x0001);
3593 r8168_mac_ocp_modify(tp
, 0xeb54, 0x0001, 0x0000);
3594 RTL_W16(tp
, 0x1880, RTL_R16(tp
, 0x1880) & ~0x0030);
3596 r8168_mac_ocp_write(tp
, 0xe098, 0xc302);
3598 rtl_loop_wait_low(tp
, &rtl_mac_ocp_e00e_cond
, 1000, 10);
3600 if (tp
->mac_version
== RTL_GIGA_MAC_VER_63
)
3601 rtl8125b_config_eee_mac(tp
);
3603 rtl8125a_config_eee_mac(tp
);
3605 RTL_W32(tp
, MISC
, RTL_R32(tp
, MISC
) & ~RXDV_GATED_EN
);
3609 static void rtl_hw_start_8125a_1(struct rtl8169_private
*tp
)
3611 static const struct ephy_info e_info_8125a_1
[] = {
3612 { 0x01, 0xffff, 0xa812 },
3613 { 0x09, 0xffff, 0x520c },
3614 { 0x04, 0xffff, 0xd000 },
3615 { 0x0d, 0xffff, 0xf702 },
3616 { 0x0a, 0xffff, 0x8653 },
3617 { 0x06, 0xffff, 0x001e },
3618 { 0x08, 0xffff, 0x3595 },
3619 { 0x20, 0xffff, 0x9455 },
3620 { 0x21, 0xffff, 0x99ff },
3621 { 0x02, 0xffff, 0x6046 },
3622 { 0x29, 0xffff, 0xfe00 },
3623 { 0x23, 0xffff, 0xab62 },
3625 { 0x41, 0xffff, 0xa80c },
3626 { 0x49, 0xffff, 0x520c },
3627 { 0x44, 0xffff, 0xd000 },
3628 { 0x4d, 0xffff, 0xf702 },
3629 { 0x4a, 0xffff, 0x8653 },
3630 { 0x46, 0xffff, 0x001e },
3631 { 0x48, 0xffff, 0x3595 },
3632 { 0x60, 0xffff, 0x9455 },
3633 { 0x61, 0xffff, 0x99ff },
3634 { 0x42, 0xffff, 0x6046 },
3635 { 0x69, 0xffff, 0xfe00 },
3636 { 0x63, 0xffff, 0xab62 },
3639 rtl_set_def_aspm_entry_latency(tp
);
3641 /* disable aspm and clock request before access ephy */
3642 rtl_hw_aspm_clkreq_enable(tp
, false);
3643 rtl_ephy_init(tp
, e_info_8125a_1
);
3645 rtl_hw_start_8125_common(tp
);
3646 rtl_hw_aspm_clkreq_enable(tp
, true);
3649 static void rtl_hw_start_8125a_2(struct rtl8169_private
*tp
)
3651 static const struct ephy_info e_info_8125a_2
[] = {
3652 { 0x04, 0xffff, 0xd000 },
3653 { 0x0a, 0xffff, 0x8653 },
3654 { 0x23, 0xffff, 0xab66 },
3655 { 0x20, 0xffff, 0x9455 },
3656 { 0x21, 0xffff, 0x99ff },
3657 { 0x29, 0xffff, 0xfe04 },
3659 { 0x44, 0xffff, 0xd000 },
3660 { 0x4a, 0xffff, 0x8653 },
3661 { 0x63, 0xffff, 0xab66 },
3662 { 0x60, 0xffff, 0x9455 },
3663 { 0x61, 0xffff, 0x99ff },
3664 { 0x69, 0xffff, 0xfe04 },
3667 rtl_set_def_aspm_entry_latency(tp
);
3669 /* disable aspm and clock request before access ephy */
3670 rtl_hw_aspm_clkreq_enable(tp
, false);
3671 rtl_ephy_init(tp
, e_info_8125a_2
);
3673 rtl_hw_start_8125_common(tp
);
3674 rtl_hw_aspm_clkreq_enable(tp
, true);
3677 static void rtl_hw_start_8125b(struct rtl8169_private
*tp
)
3679 static const struct ephy_info e_info_8125b
[] = {
3680 { 0x0b, 0xffff, 0xa908 },
3681 { 0x1e, 0xffff, 0x20eb },
3682 { 0x4b, 0xffff, 0xa908 },
3683 { 0x5e, 0xffff, 0x20eb },
3684 { 0x22, 0x0030, 0x0020 },
3685 { 0x62, 0x0030, 0x0020 },
3688 rtl_set_def_aspm_entry_latency(tp
);
3689 rtl_hw_aspm_clkreq_enable(tp
, false);
3691 rtl_ephy_init(tp
, e_info_8125b
);
3692 rtl_hw_start_8125_common(tp
);
3694 rtl_hw_aspm_clkreq_enable(tp
, true);
3697 static void rtl_hw_config(struct rtl8169_private
*tp
)
3699 static const rtl_generic_fct hw_configs
[] = {
3700 [RTL_GIGA_MAC_VER_07
] = rtl_hw_start_8102e_1
,
3701 [RTL_GIGA_MAC_VER_08
] = rtl_hw_start_8102e_3
,
3702 [RTL_GIGA_MAC_VER_09
] = rtl_hw_start_8102e_2
,
3703 [RTL_GIGA_MAC_VER_10
] = NULL
,
3704 [RTL_GIGA_MAC_VER_11
] = rtl_hw_start_8168b
,
3705 [RTL_GIGA_MAC_VER_12
] = rtl_hw_start_8168b
,
3706 [RTL_GIGA_MAC_VER_13
] = NULL
,
3707 [RTL_GIGA_MAC_VER_14
] = rtl_hw_start_8401
,
3708 [RTL_GIGA_MAC_VER_16
] = NULL
,
3709 [RTL_GIGA_MAC_VER_17
] = rtl_hw_start_8168b
,
3710 [RTL_GIGA_MAC_VER_18
] = rtl_hw_start_8168cp_1
,
3711 [RTL_GIGA_MAC_VER_19
] = rtl_hw_start_8168c_1
,
3712 [RTL_GIGA_MAC_VER_20
] = rtl_hw_start_8168c_2
,
3713 [RTL_GIGA_MAC_VER_21
] = rtl_hw_start_8168c_3
,
3714 [RTL_GIGA_MAC_VER_22
] = rtl_hw_start_8168c_4
,
3715 [RTL_GIGA_MAC_VER_23
] = rtl_hw_start_8168cp_2
,
3716 [RTL_GIGA_MAC_VER_24
] = rtl_hw_start_8168cp_3
,
3717 [RTL_GIGA_MAC_VER_25
] = rtl_hw_start_8168d
,
3718 [RTL_GIGA_MAC_VER_26
] = rtl_hw_start_8168d
,
3719 [RTL_GIGA_MAC_VER_27
] = rtl_hw_start_8168d
,
3720 [RTL_GIGA_MAC_VER_28
] = rtl_hw_start_8168d_4
,
3721 [RTL_GIGA_MAC_VER_29
] = rtl_hw_start_8105e_1
,
3722 [RTL_GIGA_MAC_VER_30
] = rtl_hw_start_8105e_2
,
3723 [RTL_GIGA_MAC_VER_31
] = rtl_hw_start_8168d
,
3724 [RTL_GIGA_MAC_VER_32
] = rtl_hw_start_8168e_1
,
3725 [RTL_GIGA_MAC_VER_33
] = rtl_hw_start_8168e_1
,
3726 [RTL_GIGA_MAC_VER_34
] = rtl_hw_start_8168e_2
,
3727 [RTL_GIGA_MAC_VER_35
] = rtl_hw_start_8168f_1
,
3728 [RTL_GIGA_MAC_VER_36
] = rtl_hw_start_8168f_1
,
3729 [RTL_GIGA_MAC_VER_37
] = rtl_hw_start_8402
,
3730 [RTL_GIGA_MAC_VER_38
] = rtl_hw_start_8411
,
3731 [RTL_GIGA_MAC_VER_39
] = rtl_hw_start_8106
,
3732 [RTL_GIGA_MAC_VER_40
] = rtl_hw_start_8168g_1
,
3733 [RTL_GIGA_MAC_VER_41
] = rtl_hw_start_8168g_1
,
3734 [RTL_GIGA_MAC_VER_42
] = rtl_hw_start_8168g_2
,
3735 [RTL_GIGA_MAC_VER_43
] = rtl_hw_start_8168g_2
,
3736 [RTL_GIGA_MAC_VER_44
] = rtl_hw_start_8411_2
,
3737 [RTL_GIGA_MAC_VER_45
] = rtl_hw_start_8168h_1
,
3738 [RTL_GIGA_MAC_VER_46
] = rtl_hw_start_8168h_1
,
3739 [RTL_GIGA_MAC_VER_47
] = rtl_hw_start_8168h_1
,
3740 [RTL_GIGA_MAC_VER_48
] = rtl_hw_start_8168h_1
,
3741 [RTL_GIGA_MAC_VER_49
] = rtl_hw_start_8168ep_1
,
3742 [RTL_GIGA_MAC_VER_50
] = rtl_hw_start_8168ep_2
,
3743 [RTL_GIGA_MAC_VER_51
] = rtl_hw_start_8168ep_3
,
3744 [RTL_GIGA_MAC_VER_52
] = rtl_hw_start_8117
,
3745 [RTL_GIGA_MAC_VER_60
] = rtl_hw_start_8125a_1
,
3746 [RTL_GIGA_MAC_VER_61
] = rtl_hw_start_8125a_2
,
3747 [RTL_GIGA_MAC_VER_63
] = rtl_hw_start_8125b
,
3750 if (hw_configs
[tp
->mac_version
])
3751 hw_configs
[tp
->mac_version
](tp
);
3754 static void rtl_hw_start_8125(struct rtl8169_private
*tp
)
3758 /* disable interrupt coalescing */
3759 for (i
= 0xa00; i
< 0xb00; i
+= 4)
3765 static void rtl_hw_start_8168(struct rtl8169_private
*tp
)
3767 if (rtl_is_8168evl_up(tp
))
3768 RTL_W8(tp
, MaxTxPacketSize
, EarlySize
);
3770 RTL_W8(tp
, MaxTxPacketSize
, TxPacketMax
);
3774 /* disable interrupt coalescing */
3775 RTL_W16(tp
, IntrMitigate
, 0x0000);
3778 static void rtl_hw_start_8169(struct rtl8169_private
*tp
)
3780 RTL_W8(tp
, EarlyTxThres
, NoEarlyTx
);
3782 tp
->cp_cmd
|= PCIMulRW
;
3784 if (tp
->mac_version
== RTL_GIGA_MAC_VER_02
||
3785 tp
->mac_version
== RTL_GIGA_MAC_VER_03
)
3786 tp
->cp_cmd
|= EnAnaPLL
;
3788 RTL_W16(tp
, CPlusCmd
, tp
->cp_cmd
);
3790 rtl8169_set_magic_reg(tp
);
3792 /* disable interrupt coalescing */
3793 RTL_W16(tp
, IntrMitigate
, 0x0000);
3796 static void rtl_hw_start(struct rtl8169_private
*tp
)
3798 rtl_unlock_config_regs(tp
);
3800 RTL_W16(tp
, CPlusCmd
, tp
->cp_cmd
);
3802 if (tp
->mac_version
<= RTL_GIGA_MAC_VER_06
)
3803 rtl_hw_start_8169(tp
);
3804 else if (rtl_is_8125(tp
))
3805 rtl_hw_start_8125(tp
);
3807 rtl_hw_start_8168(tp
);
3809 rtl_set_rx_max_size(tp
);
3810 rtl_set_rx_tx_desc_registers(tp
);
3811 rtl_lock_config_regs(tp
);
3813 rtl_jumbo_config(tp
);
3815 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
3818 RTL_W8(tp
, ChipCmd
, CmdTxEnb
| CmdRxEnb
);
3820 rtl_set_tx_config_registers(tp
);
3821 rtl_set_rx_config_features(tp
, tp
->dev
->features
);
3822 rtl_set_rx_mode(tp
->dev
);
3826 static int rtl8169_change_mtu(struct net_device
*dev
, int new_mtu
)
3828 struct rtl8169_private
*tp
= netdev_priv(dev
);
3831 netdev_update_features(dev
);
3832 rtl_jumbo_config(tp
);
3834 switch (tp
->mac_version
) {
3835 case RTL_GIGA_MAC_VER_61
:
3836 case RTL_GIGA_MAC_VER_63
:
3837 rtl8125_set_eee_txidle_timer(tp
);
3846 static void rtl8169_mark_to_asic(struct RxDesc
*desc
)
3848 u32 eor
= le32_to_cpu(desc
->opts1
) & RingEnd
;
3851 /* Force memory writes to complete before releasing descriptor */
3853 WRITE_ONCE(desc
->opts1
, cpu_to_le32(DescOwn
| eor
| R8169_RX_BUF_SIZE
));
3856 static struct page
*rtl8169_alloc_rx_data(struct rtl8169_private
*tp
,
3857 struct RxDesc
*desc
)
3859 struct device
*d
= tp_to_dev(tp
);
3860 int node
= dev_to_node(d
);
3864 data
= alloc_pages_node(node
, GFP_KERNEL
, get_order(R8169_RX_BUF_SIZE
));
3868 mapping
= dma_map_page(d
, data
, 0, R8169_RX_BUF_SIZE
, DMA_FROM_DEVICE
);
3869 if (unlikely(dma_mapping_error(d
, mapping
))) {
3870 netdev_err(tp
->dev
, "Failed to map RX DMA!\n");
3871 __free_pages(data
, get_order(R8169_RX_BUF_SIZE
));
3875 desc
->addr
= cpu_to_le64(mapping
);
3876 rtl8169_mark_to_asic(desc
);
3881 static void rtl8169_rx_clear(struct rtl8169_private
*tp
)
3885 for (i
= 0; i
< NUM_RX_DESC
&& tp
->Rx_databuff
[i
]; i
++) {
3886 dma_unmap_page(tp_to_dev(tp
),
3887 le64_to_cpu(tp
->RxDescArray
[i
].addr
),
3888 R8169_RX_BUF_SIZE
, DMA_FROM_DEVICE
);
3889 __free_pages(tp
->Rx_databuff
[i
], get_order(R8169_RX_BUF_SIZE
));
3890 tp
->Rx_databuff
[i
] = NULL
;
3891 tp
->RxDescArray
[i
].addr
= 0;
3892 tp
->RxDescArray
[i
].opts1
= 0;
3896 static int rtl8169_rx_fill(struct rtl8169_private
*tp
)
3900 for (i
= 0; i
< NUM_RX_DESC
; i
++) {
3903 data
= rtl8169_alloc_rx_data(tp
, tp
->RxDescArray
+ i
);
3905 rtl8169_rx_clear(tp
);
3908 tp
->Rx_databuff
[i
] = data
;
3911 /* mark as last descriptor in the ring */
3912 tp
->RxDescArray
[NUM_RX_DESC
- 1].opts1
|= cpu_to_le32(RingEnd
);
3917 static int rtl8169_init_ring(struct rtl8169_private
*tp
)
3919 rtl8169_init_ring_indexes(tp
);
3921 memset(tp
->tx_skb
, 0, sizeof(tp
->tx_skb
));
3922 memset(tp
->Rx_databuff
, 0, sizeof(tp
->Rx_databuff
));
3924 return rtl8169_rx_fill(tp
);
3927 static void rtl8169_unmap_tx_skb(struct rtl8169_private
*tp
, unsigned int entry
)
3929 struct ring_info
*tx_skb
= tp
->tx_skb
+ entry
;
3930 struct TxDesc
*desc
= tp
->TxDescArray
+ entry
;
3932 dma_unmap_single(tp_to_dev(tp
), le64_to_cpu(desc
->addr
), tx_skb
->len
,
3934 memset(desc
, 0, sizeof(*desc
));
3935 memset(tx_skb
, 0, sizeof(*tx_skb
));
3938 static void rtl8169_tx_clear_range(struct rtl8169_private
*tp
, u32 start
,
3943 for (i
= 0; i
< n
; i
++) {
3944 unsigned int entry
= (start
+ i
) % NUM_TX_DESC
;
3945 struct ring_info
*tx_skb
= tp
->tx_skb
+ entry
;
3946 unsigned int len
= tx_skb
->len
;
3949 struct sk_buff
*skb
= tx_skb
->skb
;
3951 rtl8169_unmap_tx_skb(tp
, entry
);
3953 dev_consume_skb_any(skb
);
3958 static void rtl8169_tx_clear(struct rtl8169_private
*tp
)
3960 rtl8169_tx_clear_range(tp
, tp
->dirty_tx
, NUM_TX_DESC
);
3961 netdev_reset_queue(tp
->dev
);
3964 static void rtl8169_cleanup(struct rtl8169_private
*tp
, bool going_down
)
3966 napi_disable(&tp
->napi
);
3968 /* Give a racing hard_start_xmit a few cycles to complete. */
3971 /* Disable interrupts */
3972 rtl8169_irq_mask_and_ack(tp
);
3976 if (going_down
&& tp
->dev
->wol_enabled
)
3979 switch (tp
->mac_version
) {
3980 case RTL_GIGA_MAC_VER_27
:
3981 case RTL_GIGA_MAC_VER_28
:
3982 case RTL_GIGA_MAC_VER_31
:
3983 rtl_loop_wait_low(tp
, &rtl_npq_cond
, 20, 2000);
3985 case RTL_GIGA_MAC_VER_34
... RTL_GIGA_MAC_VER_38
:
3986 RTL_W8(tp
, ChipCmd
, RTL_R8(tp
, ChipCmd
) | StopReq
);
3987 rtl_loop_wait_high(tp
, &rtl_txcfg_empty_cond
, 100, 666);
3989 case RTL_GIGA_MAC_VER_40
... RTL_GIGA_MAC_VER_63
:
3990 rtl_enable_rxdvgate(tp
);
3994 RTL_W8(tp
, ChipCmd
, RTL_R8(tp
, ChipCmd
) | StopReq
);
4001 rtl8169_tx_clear(tp
);
4002 rtl8169_init_ring_indexes(tp
);
4005 static void rtl_reset_work(struct rtl8169_private
*tp
)
4009 netif_stop_queue(tp
->dev
);
4011 rtl8169_cleanup(tp
, false);
4013 for (i
= 0; i
< NUM_RX_DESC
; i
++)
4014 rtl8169_mark_to_asic(tp
->RxDescArray
+ i
);
4016 napi_enable(&tp
->napi
);
4020 static void rtl8169_tx_timeout(struct net_device
*dev
, unsigned int txqueue
)
4022 struct rtl8169_private
*tp
= netdev_priv(dev
);
4024 rtl_schedule_task(tp
, RTL_FLAG_TASK_RESET_PENDING
);
4027 static int rtl8169_tx_map(struct rtl8169_private
*tp
, const u32
*opts
, u32 len
,
4028 void *addr
, unsigned int entry
, bool desc_own
)
4030 struct TxDesc
*txd
= tp
->TxDescArray
+ entry
;
4031 struct device
*d
= tp_to_dev(tp
);
4036 mapping
= dma_map_single(d
, addr
, len
, DMA_TO_DEVICE
);
4037 ret
= dma_mapping_error(d
, mapping
);
4038 if (unlikely(ret
)) {
4039 if (net_ratelimit())
4040 netdev_err(tp
->dev
, "Failed to map TX data!\n");
4044 txd
->addr
= cpu_to_le64(mapping
);
4045 txd
->opts2
= cpu_to_le32(opts
[1]);
4047 opts1
= opts
[0] | len
;
4048 if (entry
== NUM_TX_DESC
- 1)
4052 txd
->opts1
= cpu_to_le32(opts1
);
4054 tp
->tx_skb
[entry
].len
= len
;
4059 static int rtl8169_xmit_frags(struct rtl8169_private
*tp
, struct sk_buff
*skb
,
4060 const u32
*opts
, unsigned int entry
)
4062 struct skb_shared_info
*info
= skb_shinfo(skb
);
4063 unsigned int cur_frag
;
4065 for (cur_frag
= 0; cur_frag
< info
->nr_frags
; cur_frag
++) {
4066 const skb_frag_t
*frag
= info
->frags
+ cur_frag
;
4067 void *addr
= skb_frag_address(frag
);
4068 u32 len
= skb_frag_size(frag
);
4070 entry
= (entry
+ 1) % NUM_TX_DESC
;
4072 if (unlikely(rtl8169_tx_map(tp
, opts
, len
, addr
, entry
, true)))
4079 rtl8169_tx_clear_range(tp
, tp
->cur_tx
+ 1, cur_frag
);
4083 static bool rtl_test_hw_pad_bug(struct rtl8169_private
*tp
)
4085 switch (tp
->mac_version
) {
4086 case RTL_GIGA_MAC_VER_34
:
4087 case RTL_GIGA_MAC_VER_60
:
4088 case RTL_GIGA_MAC_VER_61
:
4089 case RTL_GIGA_MAC_VER_63
:
4096 static void rtl8169_tso_csum_v1(struct sk_buff
*skb
, u32
*opts
)
4098 u32 mss
= skb_shinfo(skb
)->gso_size
;
4102 opts
[0] |= mss
<< TD0_MSS_SHIFT
;
4103 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
4104 const struct iphdr
*ip
= ip_hdr(skb
);
4106 if (ip
->protocol
== IPPROTO_TCP
)
4107 opts
[0] |= TD0_IP_CS
| TD0_TCP_CS
;
4108 else if (ip
->protocol
== IPPROTO_UDP
)
4109 opts
[0] |= TD0_IP_CS
| TD0_UDP_CS
;
4115 static bool rtl8169_tso_csum_v2(struct rtl8169_private
*tp
,
4116 struct sk_buff
*skb
, u32
*opts
)
4118 u32 transport_offset
= (u32
)skb_transport_offset(skb
);
4119 struct skb_shared_info
*shinfo
= skb_shinfo(skb
);
4120 u32 mss
= shinfo
->gso_size
;
4123 if (shinfo
->gso_type
& SKB_GSO_TCPV4
) {
4124 opts
[0] |= TD1_GTSENV4
;
4125 } else if (shinfo
->gso_type
& SKB_GSO_TCPV6
) {
4126 if (skb_cow_head(skb
, 0))
4129 tcp_v6_gso_csum_prep(skb
);
4130 opts
[0] |= TD1_GTSENV6
;
4135 opts
[0] |= transport_offset
<< GTTCPHO_SHIFT
;
4136 opts
[1] |= mss
<< TD1_MSS_SHIFT
;
4137 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
4140 switch (vlan_get_protocol(skb
)) {
4141 case htons(ETH_P_IP
):
4142 opts
[1] |= TD1_IPv4_CS
;
4143 ip_protocol
= ip_hdr(skb
)->protocol
;
4146 case htons(ETH_P_IPV6
):
4147 opts
[1] |= TD1_IPv6_CS
;
4148 ip_protocol
= ipv6_hdr(skb
)->nexthdr
;
4152 ip_protocol
= IPPROTO_RAW
;
4156 if (ip_protocol
== IPPROTO_TCP
)
4157 opts
[1] |= TD1_TCP_CS
;
4158 else if (ip_protocol
== IPPROTO_UDP
)
4159 opts
[1] |= TD1_UDP_CS
;
4163 opts
[1] |= transport_offset
<< TCPHO_SHIFT
;
4165 if (unlikely(skb
->len
< ETH_ZLEN
&& rtl_test_hw_pad_bug(tp
)))
4166 return !eth_skb_pad(skb
);
4172 static bool rtl_tx_slots_avail(struct rtl8169_private
*tp
,
4173 unsigned int nr_frags
)
4175 unsigned int slots_avail
= tp
->dirty_tx
+ NUM_TX_DESC
- tp
->cur_tx
;
4177 /* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */
4178 return slots_avail
> nr_frags
;
4181 /* Versions RTL8102e and from RTL8168c onwards support csum_v2 */
4182 static bool rtl_chip_supports_csum_v2(struct rtl8169_private
*tp
)
4184 switch (tp
->mac_version
) {
4185 case RTL_GIGA_MAC_VER_02
... RTL_GIGA_MAC_VER_06
:
4186 case RTL_GIGA_MAC_VER_10
... RTL_GIGA_MAC_VER_17
:
4193 static void rtl8169_doorbell(struct rtl8169_private
*tp
)
4195 if (rtl_is_8125(tp
))
4196 RTL_W16(tp
, TxPoll_8125
, BIT(0));
4198 RTL_W8(tp
, TxPoll
, NPQ
);
4201 static netdev_tx_t
rtl8169_start_xmit(struct sk_buff
*skb
,
4202 struct net_device
*dev
)
4204 unsigned int frags
= skb_shinfo(skb
)->nr_frags
;
4205 struct rtl8169_private
*tp
= netdev_priv(dev
);
4206 unsigned int entry
= tp
->cur_tx
% NUM_TX_DESC
;
4207 struct TxDesc
*txd_first
, *txd_last
;
4208 bool stop_queue
, door_bell
;
4211 txd_first
= tp
->TxDescArray
+ entry
;
4213 if (unlikely(!rtl_tx_slots_avail(tp
, frags
))) {
4214 if (net_ratelimit())
4215 netdev_err(dev
, "BUG! Tx Ring full when queue awake!\n");
4219 if (unlikely(le32_to_cpu(txd_first
->opts1
) & DescOwn
))
4222 opts
[1] = rtl8169_tx_vlan_tag(skb
);
4225 if (!rtl_chip_supports_csum_v2(tp
))
4226 rtl8169_tso_csum_v1(skb
, opts
);
4227 else if (!rtl8169_tso_csum_v2(tp
, skb
, opts
))
4230 if (unlikely(rtl8169_tx_map(tp
, opts
, skb_headlen(skb
), skb
->data
,
4235 if (rtl8169_xmit_frags(tp
, skb
, opts
, entry
))
4237 entry
= (entry
+ frags
) % NUM_TX_DESC
;
4240 txd_last
= tp
->TxDescArray
+ entry
;
4241 txd_last
->opts1
|= cpu_to_le32(LastFrag
);
4242 tp
->tx_skb
[entry
].skb
= skb
;
4244 skb_tx_timestamp(skb
);
4246 /* Force memory writes to complete before releasing descriptor */
4249 door_bell
= __netdev_sent_queue(dev
, skb
->len
, netdev_xmit_more());
4251 txd_first
->opts1
|= cpu_to_le32(DescOwn
| FirstFrag
);
4253 /* rtl_tx needs to see descriptor changes before updated tp->cur_tx */
4256 tp
->cur_tx
+= frags
+ 1;
4258 stop_queue
= !rtl_tx_slots_avail(tp
, MAX_SKB_FRAGS
);
4259 if (unlikely(stop_queue
)) {
4260 /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must
4261 * not miss a ring update when it notices a stopped queue.
4264 netif_stop_queue(dev
);
4269 rtl8169_doorbell(tp
);
4271 if (unlikely(stop_queue
)) {
4272 /* Sync with rtl_tx:
4273 * - publish queue status and cur_tx ring index (write barrier)
4274 * - refresh dirty_tx ring index (read barrier).
4275 * May the current thread have a pessimistic view of the ring
4276 * status and forget to wake up queue, a racing rtl_tx thread
4280 if (rtl_tx_slots_avail(tp
, MAX_SKB_FRAGS
))
4281 netif_start_queue(dev
);
4284 return NETDEV_TX_OK
;
4287 rtl8169_unmap_tx_skb(tp
, entry
);
4289 dev_kfree_skb_any(skb
);
4290 dev
->stats
.tx_dropped
++;
4291 return NETDEV_TX_OK
;
4294 netif_stop_queue(dev
);
4295 dev
->stats
.tx_dropped
++;
4296 return NETDEV_TX_BUSY
;
4299 static unsigned int rtl_last_frag_len(struct sk_buff
*skb
)
4301 struct skb_shared_info
*info
= skb_shinfo(skb
);
4302 unsigned int nr_frags
= info
->nr_frags
;
4307 return skb_frag_size(info
->frags
+ nr_frags
- 1);
4310 /* Workaround for hw issues with TSO on RTL8168evl */
4311 static netdev_features_t
rtl8168evl_fix_tso(struct sk_buff
*skb
,
4312 netdev_features_t features
)
4314 /* IPv4 header has options field */
4315 if (vlan_get_protocol(skb
) == htons(ETH_P_IP
) &&
4316 ip_hdrlen(skb
) > sizeof(struct iphdr
))
4317 features
&= ~NETIF_F_ALL_TSO
;
4319 /* IPv4 TCP header has options field */
4320 else if (skb_shinfo(skb
)->gso_type
& SKB_GSO_TCPV4
&&
4321 tcp_hdrlen(skb
) > sizeof(struct tcphdr
))
4322 features
&= ~NETIF_F_ALL_TSO
;
4324 else if (rtl_last_frag_len(skb
) <= 6)
4325 features
&= ~NETIF_F_ALL_TSO
;
4330 static netdev_features_t
rtl8169_features_check(struct sk_buff
*skb
,
4331 struct net_device
*dev
,
4332 netdev_features_t features
)
4334 int transport_offset
= skb_transport_offset(skb
);
4335 struct rtl8169_private
*tp
= netdev_priv(dev
);
4337 if (skb_is_gso(skb
)) {
4338 if (tp
->mac_version
== RTL_GIGA_MAC_VER_34
)
4339 features
= rtl8168evl_fix_tso(skb
, features
);
4341 if (transport_offset
> GTTCPHO_MAX
&&
4342 rtl_chip_supports_csum_v2(tp
))
4343 features
&= ~NETIF_F_ALL_TSO
;
4344 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
4345 if (skb
->len
< ETH_ZLEN
) {
4346 switch (tp
->mac_version
) {
4347 case RTL_GIGA_MAC_VER_11
:
4348 case RTL_GIGA_MAC_VER_12
:
4349 case RTL_GIGA_MAC_VER_17
:
4350 case RTL_GIGA_MAC_VER_34
:
4351 features
&= ~NETIF_F_CSUM_MASK
;
4358 if (transport_offset
> TCPHO_MAX
&&
4359 rtl_chip_supports_csum_v2(tp
))
4360 features
&= ~NETIF_F_CSUM_MASK
;
4363 return vlan_features_check(skb
, features
);
4366 static void rtl8169_pcierr_interrupt(struct net_device
*dev
)
4368 struct rtl8169_private
*tp
= netdev_priv(dev
);
4369 struct pci_dev
*pdev
= tp
->pci_dev
;
4370 int pci_status_errs
;
4373 pci_read_config_word(pdev
, PCI_COMMAND
, &pci_cmd
);
4375 pci_status_errs
= pci_status_get_and_clear_errors(pdev
);
4377 if (net_ratelimit())
4378 netdev_err(dev
, "PCI error (cmd = 0x%04x, status_errs = 0x%04x)\n",
4379 pci_cmd
, pci_status_errs
);
4381 * The recovery sequence below admits a very elaborated explanation:
4382 * - it seems to work;
4383 * - I did not see what else could be done;
4384 * - it makes iop3xx happy.
4386 * Feel free to adjust to your needs.
4388 if (pdev
->broken_parity_status
)
4389 pci_cmd
&= ~PCI_COMMAND_PARITY
;
4391 pci_cmd
|= PCI_COMMAND_SERR
| PCI_COMMAND_PARITY
;
4393 pci_write_config_word(pdev
, PCI_COMMAND
, pci_cmd
);
4395 rtl_schedule_task(tp
, RTL_FLAG_TASK_RESET_PENDING
);
4398 static void rtl_tx(struct net_device
*dev
, struct rtl8169_private
*tp
,
4401 unsigned int dirty_tx
, tx_left
, bytes_compl
= 0, pkts_compl
= 0;
4403 dirty_tx
= tp
->dirty_tx
;
4406 for (tx_left
= tp
->cur_tx
- dirty_tx
; tx_left
> 0; tx_left
--) {
4407 unsigned int entry
= dirty_tx
% NUM_TX_DESC
;
4408 struct sk_buff
*skb
= tp
->tx_skb
[entry
].skb
;
4411 status
= le32_to_cpu(tp
->TxDescArray
[entry
].opts1
);
4412 if (status
& DescOwn
)
4415 rtl8169_unmap_tx_skb(tp
, entry
);
4419 bytes_compl
+= skb
->len
;
4420 napi_consume_skb(skb
, budget
);
4425 if (tp
->dirty_tx
!= dirty_tx
) {
4426 netdev_completed_queue(dev
, pkts_compl
, bytes_compl
);
4428 rtl_inc_priv_stats(&tp
->tx_stats
, pkts_compl
, bytes_compl
);
4430 tp
->dirty_tx
= dirty_tx
;
4431 /* Sync with rtl8169_start_xmit:
4432 * - publish dirty_tx ring index (write barrier)
4433 * - refresh cur_tx ring index and queue status (read barrier)
4434 * May the current thread miss the stopped queue condition,
4435 * a racing xmit thread can only have a right view of the
4439 if (netif_queue_stopped(dev
) &&
4440 rtl_tx_slots_avail(tp
, MAX_SKB_FRAGS
)) {
4441 netif_wake_queue(dev
);
4444 * 8168 hack: TxPoll requests are lost when the Tx packets are
4445 * too close. Let's kick an extra TxPoll request when a burst
4446 * of start_xmit activity is detected (if it is not detected,
4447 * it is slow enough). -- FR
4449 if (tp
->cur_tx
!= dirty_tx
)
4450 rtl8169_doorbell(tp
);
4454 static inline int rtl8169_fragmented_frame(u32 status
)
4456 return (status
& (FirstFrag
| LastFrag
)) != (FirstFrag
| LastFrag
);
4459 static inline void rtl8169_rx_csum(struct sk_buff
*skb
, u32 opts1
)
4461 u32 status
= opts1
& RxProtoMask
;
4463 if (((status
== RxProtoTCP
) && !(opts1
& TCPFail
)) ||
4464 ((status
== RxProtoUDP
) && !(opts1
& UDPFail
)))
4465 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
4467 skb_checksum_none_assert(skb
);
4470 static int rtl_rx(struct net_device
*dev
, struct rtl8169_private
*tp
, u32 budget
)
4472 unsigned int cur_rx
, rx_left
, count
;
4473 struct device
*d
= tp_to_dev(tp
);
4475 cur_rx
= tp
->cur_rx
;
4477 for (rx_left
= min(budget
, NUM_RX_DESC
); rx_left
> 0; rx_left
--, cur_rx
++) {
4478 unsigned int pkt_size
, entry
= cur_rx
% NUM_RX_DESC
;
4479 struct RxDesc
*desc
= tp
->RxDescArray
+ entry
;
4480 struct sk_buff
*skb
;
4485 status
= le32_to_cpu(desc
->opts1
);
4486 if (status
& DescOwn
)
4489 /* This barrier is needed to keep us from reading
4490 * any other fields out of the Rx descriptor until
4491 * we know the status of DescOwn
4495 if (unlikely(status
& RxRES
)) {
4496 if (net_ratelimit())
4497 netdev_warn(dev
, "Rx ERROR. status = %08x\n",
4499 dev
->stats
.rx_errors
++;
4500 if (status
& (RxRWT
| RxRUNT
))
4501 dev
->stats
.rx_length_errors
++;
4503 dev
->stats
.rx_crc_errors
++;
4505 if (!(dev
->features
& NETIF_F_RXALL
))
4506 goto release_descriptor
;
4507 else if (status
& RxRWT
|| !(status
& (RxRUNT
| RxCRC
)))
4508 goto release_descriptor
;
4511 pkt_size
= status
& GENMASK(13, 0);
4512 if (likely(!(dev
->features
& NETIF_F_RXFCS
)))
4513 pkt_size
-= ETH_FCS_LEN
;
4515 /* The driver does not support incoming fragmented frames.
4516 * They are seen as a symptom of over-mtu sized frames.
4518 if (unlikely(rtl8169_fragmented_frame(status
))) {
4519 dev
->stats
.rx_dropped
++;
4520 dev
->stats
.rx_length_errors
++;
4521 goto release_descriptor
;
4524 skb
= napi_alloc_skb(&tp
->napi
, pkt_size
);
4525 if (unlikely(!skb
)) {
4526 dev
->stats
.rx_dropped
++;
4527 goto release_descriptor
;
4530 addr
= le64_to_cpu(desc
->addr
);
4531 rx_buf
= page_address(tp
->Rx_databuff
[entry
]);
4533 dma_sync_single_for_cpu(d
, addr
, pkt_size
, DMA_FROM_DEVICE
);
4535 skb_copy_to_linear_data(skb
, rx_buf
, pkt_size
);
4536 skb
->tail
+= pkt_size
;
4537 skb
->len
= pkt_size
;
4538 dma_sync_single_for_device(d
, addr
, pkt_size
, DMA_FROM_DEVICE
);
4540 rtl8169_rx_csum(skb
, status
);
4541 skb
->protocol
= eth_type_trans(skb
, dev
);
4543 rtl8169_rx_vlan_tag(desc
, skb
);
4545 if (skb
->pkt_type
== PACKET_MULTICAST
)
4546 dev
->stats
.multicast
++;
4548 napi_gro_receive(&tp
->napi
, skb
);
4550 rtl_inc_priv_stats(&tp
->rx_stats
, 1, pkt_size
);
4552 rtl8169_mark_to_asic(desc
);
4555 count
= cur_rx
- tp
->cur_rx
;
4556 tp
->cur_rx
= cur_rx
;
4561 static irqreturn_t
rtl8169_interrupt(int irq
, void *dev_instance
)
4563 struct rtl8169_private
*tp
= dev_instance
;
4564 u32 status
= rtl_get_events(tp
);
4566 if ((status
& 0xffff) == 0xffff || !(status
& tp
->irq_mask
))
4569 if (unlikely(status
& SYSErr
)) {
4570 rtl8169_pcierr_interrupt(tp
->dev
);
4574 if (status
& LinkChg
)
4575 phy_mac_interrupt(tp
->phydev
);
4577 if (unlikely(status
& RxFIFOOver
&&
4578 tp
->mac_version
== RTL_GIGA_MAC_VER_11
)) {
4579 netif_stop_queue(tp
->dev
);
4580 rtl_schedule_task(tp
, RTL_FLAG_TASK_RESET_PENDING
);
4583 rtl_irq_disable(tp
);
4584 napi_schedule(&tp
->napi
);
4586 rtl_ack_events(tp
, status
);
4591 static void rtl_task(struct work_struct
*work
)
4593 struct rtl8169_private
*tp
=
4594 container_of(work
, struct rtl8169_private
, wk
.work
);
4598 if (!netif_running(tp
->dev
) ||
4599 !test_bit(RTL_FLAG_TASK_ENABLED
, tp
->wk
.flags
))
4602 if (test_and_clear_bit(RTL_FLAG_TASK_RESET_PENDING
, tp
->wk
.flags
)) {
4604 netif_wake_queue(tp
->dev
);
4610 static int rtl8169_poll(struct napi_struct
*napi
, int budget
)
4612 struct rtl8169_private
*tp
= container_of(napi
, struct rtl8169_private
, napi
);
4613 struct net_device
*dev
= tp
->dev
;
4616 work_done
= rtl_rx(dev
, tp
, (u32
) budget
);
4618 rtl_tx(dev
, tp
, budget
);
4620 if (work_done
< budget
&& napi_complete_done(napi
, work_done
))
4626 static void r8169_phylink_handler(struct net_device
*ndev
)
4628 struct rtl8169_private
*tp
= netdev_priv(ndev
);
4630 if (netif_carrier_ok(ndev
)) {
4631 rtl_link_chg_patch(tp
);
4632 pm_request_resume(&tp
->pci_dev
->dev
);
4634 pm_runtime_idle(&tp
->pci_dev
->dev
);
4637 if (net_ratelimit())
4638 phy_print_status(tp
->phydev
);
4641 static int r8169_phy_connect(struct rtl8169_private
*tp
)
4643 struct phy_device
*phydev
= tp
->phydev
;
4644 phy_interface_t phy_mode
;
4647 phy_mode
= tp
->supports_gmii
? PHY_INTERFACE_MODE_GMII
:
4648 PHY_INTERFACE_MODE_MII
;
4650 ret
= phy_connect_direct(tp
->dev
, phydev
, r8169_phylink_handler
,
4655 if (!tp
->supports_gmii
)
4656 phy_set_max_speed(phydev
, SPEED_100
);
4658 phy_support_asym_pause(phydev
);
4660 phy_attached_info(phydev
);
4665 static void rtl8169_down(struct rtl8169_private
*tp
)
4667 /* Clear all task flags */
4668 bitmap_zero(tp
->wk
.flags
, RTL_FLAG_MAX
);
4670 phy_stop(tp
->phydev
);
4672 rtl8169_update_counters(tp
);
4674 rtl8169_cleanup(tp
, true);
4676 rtl_pll_power_down(tp
);
4679 static void rtl8169_up(struct rtl8169_private
*tp
)
4681 rtl_pll_power_up(tp
);
4682 rtl8169_init_phy(tp
);
4683 napi_enable(&tp
->napi
);
4684 set_bit(RTL_FLAG_TASK_ENABLED
, tp
->wk
.flags
);
4687 phy_start(tp
->phydev
);
4690 static int rtl8169_close(struct net_device
*dev
)
4692 struct rtl8169_private
*tp
= netdev_priv(dev
);
4693 struct pci_dev
*pdev
= tp
->pci_dev
;
4695 pm_runtime_get_sync(&pdev
->dev
);
4697 netif_stop_queue(dev
);
4699 rtl8169_rx_clear(tp
);
4701 cancel_work_sync(&tp
->wk
.work
);
4703 phy_disconnect(tp
->phydev
);
4705 free_irq(pci_irq_vector(pdev
, 0), tp
);
4707 dma_free_coherent(&pdev
->dev
, R8169_RX_RING_BYTES
, tp
->RxDescArray
,
4709 dma_free_coherent(&pdev
->dev
, R8169_TX_RING_BYTES
, tp
->TxDescArray
,
4711 tp
->TxDescArray
= NULL
;
4712 tp
->RxDescArray
= NULL
;
4714 pm_runtime_put_sync(&pdev
->dev
);
4719 #ifdef CONFIG_NET_POLL_CONTROLLER
4720 static void rtl8169_netpoll(struct net_device
*dev
)
4722 struct rtl8169_private
*tp
= netdev_priv(dev
);
4724 rtl8169_interrupt(pci_irq_vector(tp
->pci_dev
, 0), tp
);
4728 static int rtl_open(struct net_device
*dev
)
4730 struct rtl8169_private
*tp
= netdev_priv(dev
);
4731 struct pci_dev
*pdev
= tp
->pci_dev
;
4732 int retval
= -ENOMEM
;
4734 pm_runtime_get_sync(&pdev
->dev
);
4737 * Rx and Tx descriptors needs 256 bytes alignment.
4738 * dma_alloc_coherent provides more.
4740 tp
->TxDescArray
= dma_alloc_coherent(&pdev
->dev
, R8169_TX_RING_BYTES
,
4741 &tp
->TxPhyAddr
, GFP_KERNEL
);
4742 if (!tp
->TxDescArray
)
4743 goto err_pm_runtime_put
;
4745 tp
->RxDescArray
= dma_alloc_coherent(&pdev
->dev
, R8169_RX_RING_BYTES
,
4746 &tp
->RxPhyAddr
, GFP_KERNEL
);
4747 if (!tp
->RxDescArray
)
4750 retval
= rtl8169_init_ring(tp
);
4754 rtl_request_firmware(tp
);
4756 retval
= request_irq(pci_irq_vector(pdev
, 0), rtl8169_interrupt
,
4757 IRQF_SHARED
, dev
->name
, tp
);
4759 goto err_release_fw_2
;
4761 retval
= r8169_phy_connect(tp
);
4766 rtl8169_init_counter_offsets(tp
);
4767 netif_start_queue(dev
);
4769 pm_runtime_put_sync(&pdev
->dev
);
4774 free_irq(pci_irq_vector(pdev
, 0), tp
);
4776 rtl_release_firmware(tp
);
4777 rtl8169_rx_clear(tp
);
4779 dma_free_coherent(&pdev
->dev
, R8169_RX_RING_BYTES
, tp
->RxDescArray
,
4781 tp
->RxDescArray
= NULL
;
4783 dma_free_coherent(&pdev
->dev
, R8169_TX_RING_BYTES
, tp
->TxDescArray
,
4785 tp
->TxDescArray
= NULL
;
4787 pm_runtime_put_noidle(&pdev
->dev
);
4792 rtl8169_get_stats64(struct net_device
*dev
, struct rtnl_link_stats64
*stats
)
4794 struct rtl8169_private
*tp
= netdev_priv(dev
);
4795 struct pci_dev
*pdev
= tp
->pci_dev
;
4796 struct rtl8169_counters
*counters
= tp
->counters
;
4798 pm_runtime_get_noresume(&pdev
->dev
);
4800 netdev_stats_to_stats64(stats
, &dev
->stats
);
4802 rtl_get_priv_stats(&tp
->rx_stats
, &stats
->rx_packets
, &stats
->rx_bytes
);
4803 rtl_get_priv_stats(&tp
->tx_stats
, &stats
->tx_packets
, &stats
->tx_bytes
);
4806 * Fetch additional counter values missing in stats collected by driver
4807 * from tally counters.
4809 if (pm_runtime_active(&pdev
->dev
))
4810 rtl8169_update_counters(tp
);
4813 * Subtract values fetched during initalization.
4814 * See rtl8169_init_counter_offsets for a description why we do that.
4816 stats
->tx_errors
= le64_to_cpu(counters
->tx_errors
) -
4817 le64_to_cpu(tp
->tc_offset
.tx_errors
);
4818 stats
->collisions
= le32_to_cpu(counters
->tx_multi_collision
) -
4819 le32_to_cpu(tp
->tc_offset
.tx_multi_collision
);
4820 stats
->tx_aborted_errors
= le16_to_cpu(counters
->tx_aborted
) -
4821 le16_to_cpu(tp
->tc_offset
.tx_aborted
);
4822 stats
->rx_missed_errors
= le16_to_cpu(counters
->rx_missed
) -
4823 le16_to_cpu(tp
->tc_offset
.rx_missed
);
4825 pm_runtime_put_noidle(&pdev
->dev
);
4828 static void rtl8169_net_suspend(struct rtl8169_private
*tp
)
4830 netif_device_detach(tp
->dev
);
4832 if (netif_running(tp
->dev
))
4838 static int rtl8169_net_resume(struct rtl8169_private
*tp
)
4840 rtl_rar_set(tp
, tp
->dev
->dev_addr
);
4842 if (tp
->TxDescArray
)
4845 netif_device_attach(tp
->dev
);
4850 static int __maybe_unused
rtl8169_suspend(struct device
*device
)
4852 struct rtl8169_private
*tp
= dev_get_drvdata(device
);
4855 rtl8169_net_suspend(tp
);
4856 if (!device_may_wakeup(tp_to_dev(tp
)))
4857 clk_disable_unprepare(tp
->clk
);
4863 static int __maybe_unused
rtl8169_resume(struct device
*device
)
4865 struct rtl8169_private
*tp
= dev_get_drvdata(device
);
4867 if (!device_may_wakeup(tp_to_dev(tp
)))
4868 clk_prepare_enable(tp
->clk
);
4870 /* Reportedly at least Asus X453MA truncates packets otherwise */
4871 if (tp
->mac_version
== RTL_GIGA_MAC_VER_37
)
4874 return rtl8169_net_resume(tp
);
4877 static int rtl8169_runtime_suspend(struct device
*device
)
4879 struct rtl8169_private
*tp
= dev_get_drvdata(device
);
4881 if (!tp
->TxDescArray
) {
4882 netif_device_detach(tp
->dev
);
4887 __rtl8169_set_wol(tp
, WAKE_PHY
);
4888 rtl8169_net_suspend(tp
);
4894 static int rtl8169_runtime_resume(struct device
*device
)
4896 struct rtl8169_private
*tp
= dev_get_drvdata(device
);
4898 __rtl8169_set_wol(tp
, tp
->saved_wolopts
);
4900 return rtl8169_net_resume(tp
);
4903 static int rtl8169_runtime_idle(struct device
*device
)
4905 struct rtl8169_private
*tp
= dev_get_drvdata(device
);
4907 if (!netif_running(tp
->dev
) || !netif_carrier_ok(tp
->dev
))
4908 pm_schedule_suspend(device
, 10000);
4913 static const struct dev_pm_ops rtl8169_pm_ops
= {
4914 SET_SYSTEM_SLEEP_PM_OPS(rtl8169_suspend
, rtl8169_resume
)
4915 SET_RUNTIME_PM_OPS(rtl8169_runtime_suspend
, rtl8169_runtime_resume
,
4916 rtl8169_runtime_idle
)
4919 #endif /* CONFIG_PM */
4921 static void rtl_wol_shutdown_quirk(struct rtl8169_private
*tp
)
4923 /* WoL fails with 8168b when the receiver is disabled. */
4924 switch (tp
->mac_version
) {
4925 case RTL_GIGA_MAC_VER_11
:
4926 case RTL_GIGA_MAC_VER_12
:
4927 case RTL_GIGA_MAC_VER_17
:
4928 pci_clear_master(tp
->pci_dev
);
4930 RTL_W8(tp
, ChipCmd
, CmdRxEnb
);
4938 static void rtl_shutdown(struct pci_dev
*pdev
)
4940 struct rtl8169_private
*tp
= pci_get_drvdata(pdev
);
4943 rtl8169_net_suspend(tp
);
4946 /* Restore original MAC address */
4947 rtl_rar_set(tp
, tp
->dev
->perm_addr
);
4949 if (system_state
== SYSTEM_POWER_OFF
) {
4950 if (tp
->saved_wolopts
) {
4951 rtl_wol_suspend_quirk(tp
);
4952 rtl_wol_shutdown_quirk(tp
);
4955 pci_wake_from_d3(pdev
, true);
4956 pci_set_power_state(pdev
, PCI_D3hot
);
4960 static void rtl_remove_one(struct pci_dev
*pdev
)
4962 struct rtl8169_private
*tp
= pci_get_drvdata(pdev
);
4964 if (pci_dev_run_wake(pdev
))
4965 pm_runtime_get_noresume(&pdev
->dev
);
4967 unregister_netdev(tp
->dev
);
4969 if (r8168_check_dash(tp
))
4970 rtl8168_driver_stop(tp
);
4972 rtl_release_firmware(tp
);
4974 /* restore original MAC address */
4975 rtl_rar_set(tp
, tp
->dev
->perm_addr
);
4978 static const struct net_device_ops rtl_netdev_ops
= {
4979 .ndo_open
= rtl_open
,
4980 .ndo_stop
= rtl8169_close
,
4981 .ndo_get_stats64
= rtl8169_get_stats64
,
4982 .ndo_start_xmit
= rtl8169_start_xmit
,
4983 .ndo_features_check
= rtl8169_features_check
,
4984 .ndo_tx_timeout
= rtl8169_tx_timeout
,
4985 .ndo_validate_addr
= eth_validate_addr
,
4986 .ndo_change_mtu
= rtl8169_change_mtu
,
4987 .ndo_fix_features
= rtl8169_fix_features
,
4988 .ndo_set_features
= rtl8169_set_features
,
4989 .ndo_set_mac_address
= rtl_set_mac_address
,
4990 .ndo_do_ioctl
= phy_do_ioctl_running
,
4991 .ndo_set_rx_mode
= rtl_set_rx_mode
,
4992 #ifdef CONFIG_NET_POLL_CONTROLLER
4993 .ndo_poll_controller
= rtl8169_netpoll
,
4998 static void rtl_set_irq_mask(struct rtl8169_private
*tp
)
5000 tp
->irq_mask
= RxOK
| RxErr
| TxOK
| TxErr
| LinkChg
;
5002 if (tp
->mac_version
<= RTL_GIGA_MAC_VER_06
)
5003 tp
->irq_mask
|= SYSErr
| RxOverflow
| RxFIFOOver
;
5004 else if (tp
->mac_version
== RTL_GIGA_MAC_VER_11
)
5005 /* special workaround needed */
5006 tp
->irq_mask
|= RxFIFOOver
;
5008 tp
->irq_mask
|= RxOverflow
;
5011 static int rtl_alloc_irq(struct rtl8169_private
*tp
)
5015 switch (tp
->mac_version
) {
5016 case RTL_GIGA_MAC_VER_02
... RTL_GIGA_MAC_VER_06
:
5017 rtl_unlock_config_regs(tp
);
5018 RTL_W8(tp
, Config2
, RTL_R8(tp
, Config2
) & ~MSIEnable
);
5019 rtl_lock_config_regs(tp
);
5021 case RTL_GIGA_MAC_VER_07
... RTL_GIGA_MAC_VER_17
:
5022 flags
= PCI_IRQ_LEGACY
;
5025 flags
= PCI_IRQ_ALL_TYPES
;
5029 return pci_alloc_irq_vectors(tp
->pci_dev
, 1, 1, flags
);
5032 static void rtl_read_mac_address(struct rtl8169_private
*tp
,
5033 u8 mac_addr
[ETH_ALEN
])
5035 /* Get MAC address */
5036 if (rtl_is_8168evl_up(tp
) && tp
->mac_version
!= RTL_GIGA_MAC_VER_34
) {
5037 u32 value
= rtl_eri_read(tp
, 0xe0);
5039 mac_addr
[0] = (value
>> 0) & 0xff;
5040 mac_addr
[1] = (value
>> 8) & 0xff;
5041 mac_addr
[2] = (value
>> 16) & 0xff;
5042 mac_addr
[3] = (value
>> 24) & 0xff;
5044 value
= rtl_eri_read(tp
, 0xe4);
5045 mac_addr
[4] = (value
>> 0) & 0xff;
5046 mac_addr
[5] = (value
>> 8) & 0xff;
5047 } else if (rtl_is_8125(tp
)) {
5048 rtl_read_mac_from_reg(tp
, mac_addr
, MAC0_BKP
);
5052 DECLARE_RTL_COND(rtl_link_list_ready_cond
)
5054 return RTL_R8(tp
, MCU
) & LINK_LIST_RDY
;
5057 static void r8168g_wait_ll_share_fifo_ready(struct rtl8169_private
*tp
)
5059 rtl_loop_wait_high(tp
, &rtl_link_list_ready_cond
, 100, 42);
5062 static int r8169_mdio_read_reg(struct mii_bus
*mii_bus
, int phyaddr
, int phyreg
)
5064 struct rtl8169_private
*tp
= mii_bus
->priv
;
5069 return rtl_readphy(tp
, phyreg
);
5072 static int r8169_mdio_write_reg(struct mii_bus
*mii_bus
, int phyaddr
,
5073 int phyreg
, u16 val
)
5075 struct rtl8169_private
*tp
= mii_bus
->priv
;
5080 rtl_writephy(tp
, phyreg
, val
);
5085 static int r8169_mdio_register(struct rtl8169_private
*tp
)
5087 struct pci_dev
*pdev
= tp
->pci_dev
;
5088 struct mii_bus
*new_bus
;
5091 new_bus
= devm_mdiobus_alloc(&pdev
->dev
);
5095 new_bus
->name
= "r8169";
5097 new_bus
->parent
= &pdev
->dev
;
5098 new_bus
->irq
[0] = PHY_IGNORE_INTERRUPT
;
5099 snprintf(new_bus
->id
, MII_BUS_ID_SIZE
, "r8169-%x", pci_dev_id(pdev
));
5101 new_bus
->read
= r8169_mdio_read_reg
;
5102 new_bus
->write
= r8169_mdio_write_reg
;
5104 ret
= devm_mdiobus_register(&pdev
->dev
, new_bus
);
5108 tp
->phydev
= mdiobus_get_phy(new_bus
, 0);
5111 } else if (!tp
->phydev
->drv
) {
5112 /* Most chip versions fail with the genphy driver.
5113 * Therefore ensure that the dedicated PHY driver is loaded.
5115 dev_err(&pdev
->dev
, "no dedicated PHY driver found for PHY ID 0x%08x, maybe realtek.ko needs to be added to initramfs?\n",
5116 tp
->phydev
->phy_id
);
5120 /* PHY will be woken up in rtl_open() */
5121 phy_suspend(tp
->phydev
);
5126 static void rtl_hw_init_8168g(struct rtl8169_private
*tp
)
5128 rtl_enable_rxdvgate(tp
);
5130 RTL_W8(tp
, ChipCmd
, RTL_R8(tp
, ChipCmd
) & ~(CmdTxEnb
| CmdRxEnb
));
5132 RTL_W8(tp
, MCU
, RTL_R8(tp
, MCU
) & ~NOW_IS_OOB
);
5134 r8168_mac_ocp_modify(tp
, 0xe8de, BIT(14), 0);
5135 r8168g_wait_ll_share_fifo_ready(tp
);
5137 r8168_mac_ocp_modify(tp
, 0xe8de, 0, BIT(15));
5138 r8168g_wait_ll_share_fifo_ready(tp
);
5141 static void rtl_hw_init_8125(struct rtl8169_private
*tp
)
5143 rtl_enable_rxdvgate(tp
);
5145 RTL_W8(tp
, ChipCmd
, RTL_R8(tp
, ChipCmd
) & ~(CmdTxEnb
| CmdRxEnb
));
5147 RTL_W8(tp
, MCU
, RTL_R8(tp
, MCU
) & ~NOW_IS_OOB
);
5149 r8168_mac_ocp_modify(tp
, 0xe8de, BIT(14), 0);
5150 r8168g_wait_ll_share_fifo_ready(tp
);
5152 r8168_mac_ocp_write(tp
, 0xc0aa, 0x07d0);
5153 r8168_mac_ocp_write(tp
, 0xc0a6, 0x0150);
5154 r8168_mac_ocp_write(tp
, 0xc01e, 0x5555);
5155 r8168g_wait_ll_share_fifo_ready(tp
);
5158 static void rtl_hw_initialize(struct rtl8169_private
*tp
)
5160 switch (tp
->mac_version
) {
5161 case RTL_GIGA_MAC_VER_49
... RTL_GIGA_MAC_VER_52
:
5162 rtl8168ep_stop_cmac(tp
);
5164 case RTL_GIGA_MAC_VER_40
... RTL_GIGA_MAC_VER_48
:
5165 rtl_hw_init_8168g(tp
);
5167 case RTL_GIGA_MAC_VER_60
... RTL_GIGA_MAC_VER_63
:
5168 rtl_hw_init_8125(tp
);
5175 static int rtl_jumbo_max(struct rtl8169_private
*tp
)
5177 /* Non-GBit versions don't support jumbo frames */
5178 if (!tp
->supports_gmii
)
5181 switch (tp
->mac_version
) {
5183 case RTL_GIGA_MAC_VER_02
... RTL_GIGA_MAC_VER_06
:
5186 case RTL_GIGA_MAC_VER_11
:
5187 case RTL_GIGA_MAC_VER_12
:
5188 case RTL_GIGA_MAC_VER_17
:
5191 case RTL_GIGA_MAC_VER_18
... RTL_GIGA_MAC_VER_24
:
5198 static void rtl_disable_clk(void *data
)
5200 clk_disable_unprepare(data
);
5203 static int rtl_get_ether_clk(struct rtl8169_private
*tp
)
5205 struct device
*d
= tp_to_dev(tp
);
5209 clk
= devm_clk_get(d
, "ether_clk");
5213 /* clk-core allows NULL (for suspend / resume) */
5215 else if (rc
!= -EPROBE_DEFER
)
5216 dev_err(d
, "failed to get clk: %d\n", rc
);
5219 rc
= clk_prepare_enable(clk
);
5221 dev_err(d
, "failed to enable clk: %d\n", rc
);
5223 rc
= devm_add_action_or_reset(d
, rtl_disable_clk
, clk
);
5229 static void rtl_init_mac_address(struct rtl8169_private
*tp
)
5231 struct net_device
*dev
= tp
->dev
;
5232 u8
*mac_addr
= dev
->dev_addr
;
5235 rc
= eth_platform_get_mac_address(tp_to_dev(tp
), mac_addr
);
5239 rtl_read_mac_address(tp
, mac_addr
);
5240 if (is_valid_ether_addr(mac_addr
))
5243 rtl_read_mac_from_reg(tp
, mac_addr
, MAC0
);
5244 if (is_valid_ether_addr(mac_addr
))
5247 eth_hw_addr_random(dev
);
5248 dev_warn(tp_to_dev(tp
), "can't read MAC address, setting random one\n");
5250 rtl_rar_set(tp
, mac_addr
);
5253 static int rtl_init_one(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
5255 struct rtl8169_private
*tp
;
5256 int jumbo_max
, region
, rc
;
5257 enum mac_version chipset
;
5258 struct net_device
*dev
;
5261 dev
= devm_alloc_etherdev(&pdev
->dev
, sizeof (*tp
));
5265 SET_NETDEV_DEV(dev
, &pdev
->dev
);
5266 dev
->netdev_ops
= &rtl_netdev_ops
;
5267 tp
= netdev_priv(dev
);
5270 tp
->supports_gmii
= ent
->driver_data
== RTL_CFG_NO_GBIT
? 0 : 1;
5272 tp
->ocp_base
= OCP_STD_PHY_BASE
;
5274 /* Get the *optional* external "ether_clk" used on some boards */
5275 rc
= rtl_get_ether_clk(tp
);
5279 /* Disable ASPM completely as that cause random device stop working
5280 * problems as well as full system hangs for some PCIe devices users.
5282 rc
= pci_disable_link_state(pdev
, PCIE_LINK_STATE_L0S
|
5283 PCIE_LINK_STATE_L1
);
5284 tp
->aspm_manageable
= !rc
;
5286 /* enable device (incl. PCI PM wakeup and hotplug setup) */
5287 rc
= pcim_enable_device(pdev
);
5289 dev_err(&pdev
->dev
, "enable failure\n");
5293 if (pcim_set_mwi(pdev
) < 0)
5294 dev_info(&pdev
->dev
, "Mem-Wr-Inval unavailable\n");
5296 /* use first MMIO region */
5297 region
= ffs(pci_select_bars(pdev
, IORESOURCE_MEM
)) - 1;
5299 dev_err(&pdev
->dev
, "no MMIO resource found\n");
5303 /* check for weird/broken PCI region reporting */
5304 if (pci_resource_len(pdev
, region
) < R8169_REGS_SIZE
) {
5305 dev_err(&pdev
->dev
, "Invalid PCI region size(s), aborting\n");
5309 rc
= pcim_iomap_regions(pdev
, BIT(region
), MODULENAME
);
5311 dev_err(&pdev
->dev
, "cannot remap MMIO, aborting\n");
5315 tp
->mmio_addr
= pcim_iomap_table(pdev
)[region
];
5317 xid
= (RTL_R32(tp
, TxConfig
) >> 20) & 0xfcf;
5319 /* Identify chip attached to board */
5320 chipset
= rtl8169_get_mac_version(xid
, tp
->supports_gmii
);
5321 if (chipset
== RTL_GIGA_MAC_NONE
) {
5322 dev_err(&pdev
->dev
, "unknown chip XID %03x\n", xid
);
5326 tp
->mac_version
= chipset
;
5328 tp
->cp_cmd
= RTL_R16(tp
, CPlusCmd
) & CPCMD_MASK
;
5330 if (sizeof(dma_addr_t
) > 4 && tp
->mac_version
>= RTL_GIGA_MAC_VER_18
&&
5331 !dma_set_mask_and_coherent(&pdev
->dev
, DMA_BIT_MASK(64)))
5332 dev
->features
|= NETIF_F_HIGHDMA
;
5336 rtl8169_irq_mask_and_ack(tp
);
5338 rtl_hw_initialize(tp
);
5342 pci_set_master(pdev
);
5344 rc
= rtl_alloc_irq(tp
);
5346 dev_err(&pdev
->dev
, "Can't allocate interrupt\n");
5350 INIT_WORK(&tp
->wk
.work
, rtl_task
);
5351 u64_stats_init(&tp
->rx_stats
.syncp
);
5352 u64_stats_init(&tp
->tx_stats
.syncp
);
5354 rtl_init_mac_address(tp
);
5356 dev
->ethtool_ops
= &rtl8169_ethtool_ops
;
5358 netif_napi_add(dev
, &tp
->napi
, rtl8169_poll
, NAPI_POLL_WEIGHT
);
5360 dev
->hw_features
= NETIF_F_IP_CSUM
| NETIF_F_RXCSUM
|
5361 NETIF_F_HW_VLAN_CTAG_TX
| NETIF_F_HW_VLAN_CTAG_RX
;
5362 dev
->vlan_features
= NETIF_F_SG
| NETIF_F_IP_CSUM
| NETIF_F_TSO
;
5363 dev
->priv_flags
|= IFF_LIVE_ADDR_CHANGE
;
5366 * Pretend we are using VLANs; This bypasses a nasty bug where
5367 * Interrupts stop flowing on high load on 8110SCd controllers.
5369 if (tp
->mac_version
== RTL_GIGA_MAC_VER_05
)
5370 /* Disallow toggling */
5371 dev
->hw_features
&= ~NETIF_F_HW_VLAN_CTAG_RX
;
5373 if (rtl_chip_supports_csum_v2(tp
))
5374 dev
->hw_features
|= NETIF_F_IPV6_CSUM
;
5376 dev
->features
|= dev
->hw_features
;
5378 /* There has been a number of reports that using SG/TSO results in
5379 * tx timeouts. However for a lot of people SG/TSO works fine.
5380 * Therefore disable both features by default, but allow users to
5381 * enable them. Use at own risk!
5383 if (rtl_chip_supports_csum_v2(tp
)) {
5384 dev
->hw_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
;
5385 dev
->gso_max_size
= RTL_GSO_MAX_SIZE_V2
;
5386 dev
->gso_max_segs
= RTL_GSO_MAX_SEGS_V2
;
5388 dev
->hw_features
|= NETIF_F_SG
| NETIF_F_TSO
;
5389 dev
->gso_max_size
= RTL_GSO_MAX_SIZE_V1
;
5390 dev
->gso_max_segs
= RTL_GSO_MAX_SEGS_V1
;
5393 dev
->hw_features
|= NETIF_F_RXALL
;
5394 dev
->hw_features
|= NETIF_F_RXFCS
;
5396 /* configure chip for default features */
5397 rtl8169_set_features(dev
, dev
->features
);
5399 jumbo_max
= rtl_jumbo_max(tp
);
5401 dev
->max_mtu
= jumbo_max
;
5403 rtl_set_irq_mask(tp
);
5405 tp
->fw_name
= rtl_chip_infos
[chipset
].fw_name
;
5407 tp
->counters
= dmam_alloc_coherent (&pdev
->dev
, sizeof(*tp
->counters
),
5408 &tp
->counters_phys_addr
,
5413 pci_set_drvdata(pdev
, tp
);
5415 rc
= r8169_mdio_register(tp
);
5419 /* chip gets powered up in rtl_open() */
5420 rtl_pll_power_down(tp
);
5422 rc
= register_netdev(dev
);
5426 netdev_info(dev
, "%s, %pM, XID %03x, IRQ %d\n",
5427 rtl_chip_infos
[chipset
].name
, dev
->dev_addr
, xid
,
5428 pci_irq_vector(pdev
, 0));
5431 netdev_info(dev
, "jumbo features [frames: %d bytes, tx checksumming: %s]\n",
5432 jumbo_max
, tp
->mac_version
<= RTL_GIGA_MAC_VER_06
?
5435 if (r8168_check_dash(tp
)) {
5436 netdev_info(dev
, "DASH enabled\n");
5437 rtl8168_driver_start(tp
);
5440 if (pci_dev_run_wake(pdev
))
5441 pm_runtime_put_sync(&pdev
->dev
);
5446 static struct pci_driver rtl8169_pci_driver
= {
5448 .id_table
= rtl8169_pci_tbl
,
5449 .probe
= rtl_init_one
,
5450 .remove
= rtl_remove_one
,
5451 .shutdown
= rtl_shutdown
,
5453 .driver
.pm
= &rtl8169_pm_ops
,
5457 module_pci_driver(rtl8169_pci_driver
);