2 * r8169.c: RealTek 8169/8168/8101 ethernet driver.
4 * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
5 * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
6 * Copyright (c) a lot of people too. Please respect their work.
8 * See MAINTAINERS file for support contact information.
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/pci.h>
14 #include <linux/netdevice.h>
15 #include <linux/etherdevice.h>
16 #include <linux/delay.h>
17 #include <linux/ethtool.h>
18 #include <linux/mii.h>
19 #include <linux/if_vlan.h>
20 #include <linux/crc32.h>
23 #include <linux/tcp.h>
24 #include <linux/init.h>
25 #include <linux/dma-mapping.h>
26 #include <linux/pm_runtime.h>
27 #include <linux/firmware.h>
28 #include <linux/pci-aspm.h>
29 #include <linux/prefetch.h>
31 #include <asm/system.h>
35 #define RTL8169_VERSION "2.3LK-NAPI"
36 #define MODULENAME "r8169"
37 #define PFX MODULENAME ": "
39 #define FIRMWARE_8168D_1 "rtl_nic/rtl8168d-1.fw"
40 #define FIRMWARE_8168D_2 "rtl_nic/rtl8168d-2.fw"
41 #define FIRMWARE_8168E_1 "rtl_nic/rtl8168e-1.fw"
42 #define FIRMWARE_8168E_2 "rtl_nic/rtl8168e-2.fw"
43 #define FIRMWARE_8105E_1 "rtl_nic/rtl8105e-1.fw"
46 #define assert(expr) \
48 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
49 #expr,__FILE__,__func__,__LINE__); \
51 #define dprintk(fmt, args...) \
52 do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
54 #define assert(expr) do {} while (0)
55 #define dprintk(fmt, args...) do {} while (0)
56 #endif /* RTL8169_DEBUG */
58 #define R8169_MSG_DEFAULT \
59 (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
61 #define TX_BUFFS_AVAIL(tp) \
62 (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
64 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
65 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
66 static const int multicast_filter_limit = 32;
68 /* MAC address length */
69 #define MAC_ADDR_LEN 6
71 #define MAX_READ_REQUEST_SHIFT 12
72 #define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */
73 #define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
74 #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
75 #define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */
76 #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
78 #define R8169_REGS_SIZE 256
79 #define R8169_NAPI_WEIGHT 64
80 #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */
81 #define NUM_RX_DESC 256 /* Number of Rx descriptor registers */
82 #define RX_BUF_SIZE 1536 /* Rx Buffer size */
83 #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
84 #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
86 #define RTL8169_TX_TIMEOUT (6*HZ)
87 #define RTL8169_PHY_TIMEOUT (10*HZ)
89 #define RTL_EEPROM_SIG cpu_to_le32(0x8129)
90 #define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff)
91 #define RTL_EEPROM_SIG_ADDR 0x0000
93 /* write/read MMIO register */
94 #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
95 #define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
96 #define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
97 #define RTL_R8(reg) readb (ioaddr + (reg))
98 #define RTL_R16(reg) readw (ioaddr + (reg))
99 #define RTL_R32(reg) readl (ioaddr + (reg))
102 RTL_GIGA_MAC_VER_01 = 0,
135 RTL_GIGA_MAC_NONE = 0xff,
138 enum rtl_tx_desc_version {
143 #define _R(NAME,TD,FW) \
144 { .name = NAME, .txd_version = TD, .fw_name = FW }
146 static const struct {
148 enum rtl_tx_desc_version txd_version;
150 } rtl_chip_infos[] = {
152 [RTL_GIGA_MAC_VER_01] =
153 _R("RTL8169", RTL_TD_0, NULL),
154 [RTL_GIGA_MAC_VER_02] =
155 _R("RTL8169s", RTL_TD_0, NULL),
156 [RTL_GIGA_MAC_VER_03] =
157 _R("RTL8110s", RTL_TD_0, NULL),
158 [RTL_GIGA_MAC_VER_04] =
159 _R("RTL8169sb/8110sb", RTL_TD_0, NULL),
160 [RTL_GIGA_MAC_VER_05] =
161 _R("RTL8169sc/8110sc", RTL_TD_0, NULL),
162 [RTL_GIGA_MAC_VER_06] =
163 _R("RTL8169sc/8110sc", RTL_TD_0, NULL),
165 [RTL_GIGA_MAC_VER_07] =
166 _R("RTL8102e", RTL_TD_1, NULL),
167 [RTL_GIGA_MAC_VER_08] =
168 _R("RTL8102e", RTL_TD_1, NULL),
169 [RTL_GIGA_MAC_VER_09] =
170 _R("RTL8102e", RTL_TD_1, NULL),
171 [RTL_GIGA_MAC_VER_10] =
172 _R("RTL8101e", RTL_TD_0, NULL),
173 [RTL_GIGA_MAC_VER_11] =
174 _R("RTL8168b/8111b", RTL_TD_0, NULL),
175 [RTL_GIGA_MAC_VER_12] =
176 _R("RTL8168b/8111b", RTL_TD_0, NULL),
177 [RTL_GIGA_MAC_VER_13] =
178 _R("RTL8101e", RTL_TD_0, NULL),
179 [RTL_GIGA_MAC_VER_14] =
180 _R("RTL8100e", RTL_TD_0, NULL),
181 [RTL_GIGA_MAC_VER_15] =
182 _R("RTL8100e", RTL_TD_0, NULL),
183 [RTL_GIGA_MAC_VER_16] =
184 _R("RTL8101e", RTL_TD_0, NULL),
185 [RTL_GIGA_MAC_VER_17] =
186 _R("RTL8168b/8111b", RTL_TD_0, NULL),
187 [RTL_GIGA_MAC_VER_18] =
188 _R("RTL8168cp/8111cp", RTL_TD_1, NULL),
189 [RTL_GIGA_MAC_VER_19] =
190 _R("RTL8168c/8111c", RTL_TD_1, NULL),
191 [RTL_GIGA_MAC_VER_20] =
192 _R("RTL8168c/8111c", RTL_TD_1, NULL),
193 [RTL_GIGA_MAC_VER_21] =
194 _R("RTL8168c/8111c", RTL_TD_1, NULL),
195 [RTL_GIGA_MAC_VER_22] =
196 _R("RTL8168c/8111c", RTL_TD_1, NULL),
197 [RTL_GIGA_MAC_VER_23] =
198 _R("RTL8168cp/8111cp", RTL_TD_1, NULL),
199 [RTL_GIGA_MAC_VER_24] =
200 _R("RTL8168cp/8111cp", RTL_TD_1, NULL),
201 [RTL_GIGA_MAC_VER_25] =
202 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_1),
203 [RTL_GIGA_MAC_VER_26] =
204 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_2),
205 [RTL_GIGA_MAC_VER_27] =
206 _R("RTL8168dp/8111dp", RTL_TD_1, NULL),
207 [RTL_GIGA_MAC_VER_28] =
208 _R("RTL8168dp/8111dp", RTL_TD_1, NULL),
209 [RTL_GIGA_MAC_VER_29] =
210 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1),
211 [RTL_GIGA_MAC_VER_30] =
212 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1),
213 [RTL_GIGA_MAC_VER_31] =
214 _R("RTL8168dp/8111dp", RTL_TD_1, NULL),
215 [RTL_GIGA_MAC_VER_32] =
216 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_1),
217 [RTL_GIGA_MAC_VER_33] =
218 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_2)
228 static void rtl_hw_start_8169(struct net_device *);
229 static void rtl_hw_start_8168(struct net_device *);
230 static void rtl_hw_start_8101(struct net_device *);
232 static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
233 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
234 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
235 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
236 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
237 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
238 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 },
239 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4302), 0, 0, RTL_CFG_0 },
240 { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 },
241 { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 },
242 { PCI_VENDOR_ID_LINKSYS, 0x1032,
243 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
245 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
249 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
251 static int rx_buf_sz = 16383;
258 MAC0 = 0, /* Ethernet hardware address. */
260 MAR0 = 8, /* Multicast filter. */
261 CounterAddrLow = 0x10,
262 CounterAddrHigh = 0x14,
263 TxDescStartAddrLow = 0x20,
264 TxDescStartAddrHigh = 0x24,
265 TxHDescStartAddrLow = 0x28,
266 TxHDescStartAddrHigh = 0x2c,
276 #define RTL_RX_CONFIG_MASK 0xff7e1880u
292 RxDescAddrLow = 0xe4,
293 RxDescAddrHigh = 0xe8,
294 EarlyTxThres = 0xec, /* 8169. Unit of 32 bytes. */
296 #define NoEarlyTx 0x3f /* Max value : no early transmit. */
298 MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
300 #define TxPacketMax (8064 >> 7)
303 FuncEventMask = 0xf4,
304 FuncPresetState = 0xf8,
305 FuncForceEvent = 0xfc,
308 enum rtl8110_registers {
314 enum rtl8168_8101_registers {
317 #define CSIAR_FLAG 0x80000000
318 #define CSIAR_WRITE_CMD 0x80000000
319 #define CSIAR_BYTE_ENABLE 0x0f
320 #define CSIAR_BYTE_ENABLE_SHIFT 12
321 #define CSIAR_ADDR_MASK 0x0fff
324 #define EPHYAR_FLAG 0x80000000
325 #define EPHYAR_WRITE_CMD 0x80000000
326 #define EPHYAR_REG_MASK 0x1f
327 #define EPHYAR_REG_SHIFT 16
328 #define EPHYAR_DATA_MASK 0xffff
330 #define PM_SWITCH (1 << 6)
332 #define FIX_NAK_1 (1 << 4)
333 #define FIX_NAK_2 (1 << 3)
336 #define EN_NDP (1 << 3)
337 #define EN_OOB_RESET (1 << 2)
339 #define EFUSEAR_FLAG 0x80000000
340 #define EFUSEAR_WRITE_CMD 0x80000000
341 #define EFUSEAR_READ_CMD 0x00000000
342 #define EFUSEAR_REG_MASK 0x03ff
343 #define EFUSEAR_REG_SHIFT 8
344 #define EFUSEAR_DATA_MASK 0xff
347 enum rtl8168_registers {
350 #define ERIAR_FLAG 0x80000000
351 #define ERIAR_WRITE_CMD 0x80000000
352 #define ERIAR_READ_CMD 0x00000000
353 #define ERIAR_ADDR_BYTE_ALIGN 4
354 #define ERIAR_EXGMAC 0
357 #define ERIAR_TYPE_SHIFT 16
358 #define ERIAR_BYTEEN 0x0f
359 #define ERIAR_BYTEEN_SHIFT 12
360 EPHY_RXER_NUM = 0x7c,
361 OCPDR = 0xb0, /* OCP GPHY access */
362 #define OCPDR_WRITE_CMD 0x80000000
363 #define OCPDR_READ_CMD 0x00000000
364 #define OCPDR_REG_MASK 0x7f
365 #define OCPDR_GPHY_REG_SHIFT 16
366 #define OCPDR_DATA_MASK 0xffff
368 #define OCPAR_FLAG 0x80000000
369 #define OCPAR_GPHY_WRITE_CMD 0x8000f060
370 #define OCPAR_GPHY_READ_CMD 0x0000f060
371 RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */
372 MISC = 0xf0, /* 8168e only. */
373 #define TXPLA_RST (1 << 29)
376 enum rtl_register_content {
377 /* InterruptStatusBits */
381 TxDescUnavail = 0x0080,
403 /* TXPoll register p.5 */
404 HPQ = 0x80, /* Poll cmd on the high prio queue */
405 NPQ = 0x40, /* Poll cmd on the low prio queue */
406 FSWInt = 0x01, /* Forced software interrupt */
410 Cfg9346_Unlock = 0xc0,
415 AcceptBroadcast = 0x08,
416 AcceptMulticast = 0x04,
418 AcceptAllPhys = 0x01,
425 TxInterFrameGapShift = 24,
426 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
428 /* Config1 register p.24 */
431 MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */
432 Speed_down = (1 << 4),
436 PMEnable = (1 << 0), /* Power Management Enable */
438 /* Config2 register p. 25 */
439 PCI_Clock_66MHz = 0x01,
440 PCI_Clock_33MHz = 0x00,
442 /* Config3 register p.25 */
443 MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
444 LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
445 Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */
447 /* Config5 register p.27 */
448 BWF = (1 << 6), /* Accept Broadcast wakeup frame */
449 MWF = (1 << 5), /* Accept Multicast wakeup frame */
450 UWF = (1 << 4), /* Accept Unicast wakeup frame */
452 LanWake = (1 << 1), /* LanWake enable/disable */
453 PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
456 TBIReset = 0x80000000,
457 TBILoopback = 0x40000000,
458 TBINwEnable = 0x20000000,
459 TBINwRestart = 0x10000000,
460 TBILinkOk = 0x02000000,
461 TBINwComplete = 0x01000000,
464 EnableBist = (1 << 15), // 8168 8101
465 Mac_dbgo_oe = (1 << 14), // 8168 8101
466 Normal_mode = (1 << 13), // unused
467 Force_half_dup = (1 << 12), // 8168 8101
468 Force_rxflow_en = (1 << 11), // 8168 8101
469 Force_txflow_en = (1 << 10), // 8168 8101
470 Cxpl_dbg_sel = (1 << 9), // 8168 8101
471 ASF = (1 << 8), // 8168 8101
472 PktCntrDisable = (1 << 7), // 8168 8101
473 Mac_dbgo_sel = 0x001c, // 8168
478 INTT_0 = 0x0000, // 8168
479 INTT_1 = 0x0001, // 8168
480 INTT_2 = 0x0002, // 8168
481 INTT_3 = 0x0003, // 8168
483 /* rtl8169_PHYstatus */
494 TBILinkOK = 0x02000000,
496 /* DumpCounterCommand */
501 /* First doubleword. */
502 DescOwn = (1 << 31), /* Descriptor is owned by NIC */
503 RingEnd = (1 << 30), /* End of descriptor ring */
504 FirstFrag = (1 << 29), /* First segment of a packet */
505 LastFrag = (1 << 28), /* Final segment of a packet */
509 enum rtl_tx_desc_bit {
510 /* First doubleword. */
511 TD_LSO = (1 << 27), /* Large Send Offload */
512 #define TD_MSS_MAX 0x07ffu /* MSS value */
514 /* Second doubleword. */
515 TxVlanTag = (1 << 17), /* Add VLAN tag */
518 /* 8169, 8168b and 810x except 8102e. */
519 enum rtl_tx_desc_bit_0 {
520 /* First doubleword. */
521 #define TD0_MSS_SHIFT 16 /* MSS position (11 bits) */
522 TD0_TCP_CS = (1 << 16), /* Calculate TCP/IP checksum */
523 TD0_UDP_CS = (1 << 17), /* Calculate UDP/IP checksum */
524 TD0_IP_CS = (1 << 18), /* Calculate IP checksum */
527 /* 8102e, 8168c and beyond. */
528 enum rtl_tx_desc_bit_1 {
529 /* Second doubleword. */
530 #define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */
531 TD1_IP_CS = (1 << 29), /* Calculate IP checksum */
532 TD1_TCP_CS = (1 << 30), /* Calculate TCP/IP checksum */
533 TD1_UDP_CS = (1 << 31), /* Calculate UDP/IP checksum */
536 static const struct rtl_tx_desc_info {
543 } tx_desc_info [] = {
546 .udp = TD0_IP_CS | TD0_UDP_CS,
547 .tcp = TD0_IP_CS | TD0_TCP_CS
549 .mss_shift = TD0_MSS_SHIFT,
554 .udp = TD1_IP_CS | TD1_UDP_CS,
555 .tcp = TD1_IP_CS | TD1_TCP_CS
557 .mss_shift = TD1_MSS_SHIFT,
562 enum rtl_rx_desc_bit {
564 PID1 = (1 << 18), /* Protocol ID bit 1/2 */
565 PID0 = (1 << 17), /* Protocol ID bit 2/2 */
567 #define RxProtoUDP (PID1)
568 #define RxProtoTCP (PID0)
569 #define RxProtoIP (PID1 | PID0)
570 #define RxProtoMask RxProtoIP
572 IPFail = (1 << 16), /* IP checksum failed */
573 UDPFail = (1 << 15), /* UDP/IP checksum failed */
574 TCPFail = (1 << 14), /* TCP/IP checksum failed */
575 RxVlanTag = (1 << 16), /* VLAN tag available */
578 #define RsvdMask 0x3fffc000
595 u8 __pad[sizeof(void *) - sizeof(u32)];
599 RTL_FEATURE_WOL = (1 << 0),
600 RTL_FEATURE_MSI = (1 << 1),
601 RTL_FEATURE_GMII = (1 << 2),
604 struct rtl8169_counters {
611 __le32 tx_one_collision;
612 __le32 tx_multi_collision;
620 struct rtl8169_private {
621 void __iomem *mmio_addr; /* memory map physical address */
622 struct pci_dev *pci_dev;
623 struct net_device *dev;
624 struct napi_struct napi;
629 u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
630 u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
633 struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
634 struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
635 dma_addr_t TxPhyAddr;
636 dma_addr_t RxPhyAddr;
637 void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
638 struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
639 struct timer_list timer;
646 void (*write)(void __iomem *, int, int);
647 int (*read)(void __iomem *, int);
650 struct pll_power_ops {
651 void (*down)(struct rtl8169_private *);
652 void (*up)(struct rtl8169_private *);
655 int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
656 int (*get_settings)(struct net_device *, struct ethtool_cmd *);
657 void (*phy_reset_enable)(struct rtl8169_private *tp);
658 void (*hw_start)(struct net_device *);
659 unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
660 unsigned int (*link_ok)(void __iomem *);
661 int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
663 struct delayed_work task;
666 struct mii_if_info mii;
667 struct rtl8169_counters counters;
670 const struct firmware *fw;
671 #define RTL_FIRMWARE_UNKNOWN ERR_PTR(-EAGAIN);
674 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
675 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
676 module_param(use_dac, int, 0);
677 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
678 module_param_named(debug, debug.msg_enable, int, 0);
679 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
680 MODULE_LICENSE("GPL");
681 MODULE_VERSION(RTL8169_VERSION);
682 MODULE_FIRMWARE(FIRMWARE_8168D_1);
683 MODULE_FIRMWARE(FIRMWARE_8168D_2);
684 MODULE_FIRMWARE(FIRMWARE_8168E_1);
685 MODULE_FIRMWARE(FIRMWARE_8168E_2);
686 MODULE_FIRMWARE(FIRMWARE_8105E_1);
688 static int rtl8169_open(struct net_device *dev);
689 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
690 struct net_device *dev);
691 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
692 static int rtl8169_init_ring(struct net_device *dev);
693 static void rtl_hw_start(struct net_device *dev);
694 static int rtl8169_close(struct net_device *dev);
695 static void rtl_set_rx_mode(struct net_device *dev);
696 static void rtl8169_tx_timeout(struct net_device *dev);
697 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
698 static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
699 void __iomem *, u32 budget);
700 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
701 static void rtl8169_down(struct net_device *dev);
702 static void rtl8169_rx_clear(struct rtl8169_private *tp);
703 static int rtl8169_poll(struct napi_struct *napi, int budget);
705 static const unsigned int rtl8169_rx_config =
706 (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);
708 static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
710 void __iomem *ioaddr = tp->mmio_addr;
713 RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
714 for (i = 0; i < 20; i++) {
716 if (RTL_R32(OCPAR) & OCPAR_FLAG)
719 return RTL_R32(OCPDR);
722 static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
724 void __iomem *ioaddr = tp->mmio_addr;
727 RTL_W32(OCPDR, data);
728 RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
729 for (i = 0; i < 20; i++) {
731 if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
736 static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
738 void __iomem *ioaddr = tp->mmio_addr;
742 RTL_W32(ERIAR, 0x800010e8);
744 for (i = 0; i < 5; i++) {
746 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
750 ocp_write(tp, 0x1, 0x30, 0x00000001);
753 #define OOB_CMD_RESET 0x00
754 #define OOB_CMD_DRIVER_START 0x05
755 #define OOB_CMD_DRIVER_STOP 0x06
757 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
759 return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
762 static void rtl8168_driver_start(struct rtl8169_private *tp)
767 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
769 reg = rtl8168_get_ocp_reg(tp);
771 for (i = 0; i < 10; i++) {
773 if (ocp_read(tp, 0x0f, reg) & 0x00000800)
778 static void rtl8168_driver_stop(struct rtl8169_private *tp)
783 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
785 reg = rtl8168_get_ocp_reg(tp);
787 for (i = 0; i < 10; i++) {
789 if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
794 static int r8168dp_check_dash(struct rtl8169_private *tp)
796 u16 reg = rtl8168_get_ocp_reg(tp);
798 return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
801 static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
805 RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
807 for (i = 20; i > 0; i--) {
809 * Check if the RTL8169 has completed writing to the specified
812 if (!(RTL_R32(PHYAR) & 0x80000000))
817 * According to hardware specs a 20us delay is required after write
818 * complete indication, but before sending next command.
823 static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
827 RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
829 for (i = 20; i > 0; i--) {
831 * Check if the RTL8169 has completed retrieving data from
832 * the specified MII register.
834 if (RTL_R32(PHYAR) & 0x80000000) {
835 value = RTL_R32(PHYAR) & 0xffff;
841 * According to hardware specs a 20us delay is required after read
842 * complete indication, but before sending next command.
849 static void r8168dp_1_mdio_access(void __iomem *ioaddr, int reg_addr, u32 data)
853 RTL_W32(OCPDR, data |
854 ((reg_addr & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
855 RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
856 RTL_W32(EPHY_RXER_NUM, 0);
858 for (i = 0; i < 100; i++) {
860 if (!(RTL_R32(OCPAR) & OCPAR_FLAG))
865 static void r8168dp_1_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
867 r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_WRITE_CMD |
868 (value & OCPDR_DATA_MASK));
871 static int r8168dp_1_mdio_read(void __iomem *ioaddr, int reg_addr)
875 r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_READ_CMD);
878 RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
879 RTL_W32(EPHY_RXER_NUM, 0);
881 for (i = 0; i < 100; i++) {
883 if (RTL_R32(OCPAR) & OCPAR_FLAG)
887 return RTL_R32(OCPDR) & OCPDR_DATA_MASK;
890 #define R8168DP_1_MDIO_ACCESS_BIT 0x00020000
892 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
894 RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
897 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
899 RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
902 static void r8168dp_2_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
904 r8168dp_2_mdio_start(ioaddr);
906 r8169_mdio_write(ioaddr, reg_addr, value);
908 r8168dp_2_mdio_stop(ioaddr);
911 static int r8168dp_2_mdio_read(void __iomem *ioaddr, int reg_addr)
915 r8168dp_2_mdio_start(ioaddr);
917 value = r8169_mdio_read(ioaddr, reg_addr);
919 r8168dp_2_mdio_stop(ioaddr);
924 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
926 tp->mdio_ops.write(tp->mmio_addr, location, val);
929 static int rtl_readphy(struct rtl8169_private *tp, int location)
931 return tp->mdio_ops.read(tp->mmio_addr, location);
934 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
936 rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
939 static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
943 val = rtl_readphy(tp, reg_addr);
944 rtl_writephy(tp, reg_addr, (val | p) & ~m);
947 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
950 struct rtl8169_private *tp = netdev_priv(dev);
952 rtl_writephy(tp, location, val);
955 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
957 struct rtl8169_private *tp = netdev_priv(dev);
959 return rtl_readphy(tp, location);
962 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
966 RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
967 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
969 for (i = 0; i < 100; i++) {
970 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
976 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
981 RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
983 for (i = 0; i < 100; i++) {
984 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
985 value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
994 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
998 RTL_W32(CSIDR, value);
999 RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
1000 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1002 for (i = 0; i < 100; i++) {
1003 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
1009 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
1014 RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
1015 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1017 for (i = 0; i < 100; i++) {
1018 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
1019 value = RTL_R32(CSIDR);
1028 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
1033 RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1035 for (i = 0; i < 300; i++) {
1036 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
1037 value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
1046 static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
1048 RTL_W16(IntrMask, 0x0000);
1050 RTL_W16(IntrStatus, 0xffff);
1053 static void rtl8169_asic_down(void __iomem *ioaddr)
1055 RTL_W8(ChipCmd, 0x00);
1056 rtl8169_irq_mask_and_ack(ioaddr);
1060 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1062 void __iomem *ioaddr = tp->mmio_addr;
1064 return RTL_R32(TBICSR) & TBIReset;
1067 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1069 return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1072 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1074 return RTL_R32(TBICSR) & TBILinkOk;
1077 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1079 return RTL_R8(PHYstatus) & LinkStatus;
1082 static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1084 void __iomem *ioaddr = tp->mmio_addr;
1086 RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1089 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1093 val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1094 rtl_writephy(tp, MII_BMCR, val & 0xffff);
1097 static void __rtl8169_check_link_status(struct net_device *dev,
1098 struct rtl8169_private *tp,
1099 void __iomem *ioaddr, bool pm)
1101 unsigned long flags;
1103 spin_lock_irqsave(&tp->lock, flags);
1104 if (tp->link_ok(ioaddr)) {
1105 /* This is to cancel a scheduled suspend if there's one. */
1107 pm_request_resume(&tp->pci_dev->dev);
1108 netif_carrier_on(dev);
1109 if (net_ratelimit())
1110 netif_info(tp, ifup, dev, "link up\n");
1112 netif_carrier_off(dev);
1113 netif_info(tp, ifdown, dev, "link down\n");
1115 pm_schedule_suspend(&tp->pci_dev->dev, 100);
1117 spin_unlock_irqrestore(&tp->lock, flags);
1120 static void rtl8169_check_link_status(struct net_device *dev,
1121 struct rtl8169_private *tp,
1122 void __iomem *ioaddr)
1124 __rtl8169_check_link_status(dev, tp, ioaddr, false);
1127 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1129 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1131 void __iomem *ioaddr = tp->mmio_addr;
1135 options = RTL_R8(Config1);
1136 if (!(options & PMEnable))
1139 options = RTL_R8(Config3);
1140 if (options & LinkUp)
1141 wolopts |= WAKE_PHY;
1142 if (options & MagicPacket)
1143 wolopts |= WAKE_MAGIC;
1145 options = RTL_R8(Config5);
1147 wolopts |= WAKE_UCAST;
1149 wolopts |= WAKE_BCAST;
1151 wolopts |= WAKE_MCAST;
1156 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1158 struct rtl8169_private *tp = netdev_priv(dev);
1160 spin_lock_irq(&tp->lock);
1162 wol->supported = WAKE_ANY;
1163 wol->wolopts = __rtl8169_get_wol(tp);
1165 spin_unlock_irq(&tp->lock);
1168 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1170 void __iomem *ioaddr = tp->mmio_addr;
1172 static const struct {
1177 { WAKE_ANY, Config1, PMEnable },
1178 { WAKE_PHY, Config3, LinkUp },
1179 { WAKE_MAGIC, Config3, MagicPacket },
1180 { WAKE_UCAST, Config5, UWF },
1181 { WAKE_BCAST, Config5, BWF },
1182 { WAKE_MCAST, Config5, MWF },
1183 { WAKE_ANY, Config5, LanWake }
1186 RTL_W8(Cfg9346, Cfg9346_Unlock);
1188 for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1189 u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1190 if (wolopts & cfg[i].opt)
1191 options |= cfg[i].mask;
1192 RTL_W8(cfg[i].reg, options);
1195 RTL_W8(Cfg9346, Cfg9346_Lock);
1198 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1200 struct rtl8169_private *tp = netdev_priv(dev);
1202 spin_lock_irq(&tp->lock);
1205 tp->features |= RTL_FEATURE_WOL;
1207 tp->features &= ~RTL_FEATURE_WOL;
1208 __rtl8169_set_wol(tp, wol->wolopts);
1209 spin_unlock_irq(&tp->lock);
1211 device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1216 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1218 return rtl_chip_infos[tp->mac_version].fw_name;
1221 static void rtl8169_get_drvinfo(struct net_device *dev,
1222 struct ethtool_drvinfo *info)
1224 struct rtl8169_private *tp = netdev_priv(dev);
1226 strcpy(info->driver, MODULENAME);
1227 strcpy(info->version, RTL8169_VERSION);
1228 strcpy(info->bus_info, pci_name(tp->pci_dev));
1229 strncpy(info->fw_version, IS_ERR_OR_NULL(tp->fw) ? "N/A" :
1230 rtl_lookup_firmware_name(tp), sizeof(info->fw_version) - 1);
1233 static int rtl8169_get_regs_len(struct net_device *dev)
1235 return R8169_REGS_SIZE;
1238 static int rtl8169_set_speed_tbi(struct net_device *dev,
1239 u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1241 struct rtl8169_private *tp = netdev_priv(dev);
1242 void __iomem *ioaddr = tp->mmio_addr;
1246 reg = RTL_R32(TBICSR);
1247 if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1248 (duplex == DUPLEX_FULL)) {
1249 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1250 } else if (autoneg == AUTONEG_ENABLE)
1251 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1253 netif_warn(tp, link, dev,
1254 "incorrect speed setting refused in TBI mode\n");
1261 static int rtl8169_set_speed_xmii(struct net_device *dev,
1262 u8 autoneg, u16 speed, u8 duplex, u32 adv)
1264 struct rtl8169_private *tp = netdev_priv(dev);
1265 int giga_ctrl, bmcr;
1268 rtl_writephy(tp, 0x1f, 0x0000);
1270 if (autoneg == AUTONEG_ENABLE) {
1273 auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1274 auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1275 ADVERTISE_100HALF | ADVERTISE_100FULL);
1277 if (adv & ADVERTISED_10baseT_Half)
1278 auto_nego |= ADVERTISE_10HALF;
1279 if (adv & ADVERTISED_10baseT_Full)
1280 auto_nego |= ADVERTISE_10FULL;
1281 if (adv & ADVERTISED_100baseT_Half)
1282 auto_nego |= ADVERTISE_100HALF;
1283 if (adv & ADVERTISED_100baseT_Full)
1284 auto_nego |= ADVERTISE_100FULL;
1286 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1288 giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1289 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1291 /* The 8100e/8101e/8102e do Fast Ethernet only. */
1292 if (tp->mii.supports_gmii) {
1293 if (adv & ADVERTISED_1000baseT_Half)
1294 giga_ctrl |= ADVERTISE_1000HALF;
1295 if (adv & ADVERTISED_1000baseT_Full)
1296 giga_ctrl |= ADVERTISE_1000FULL;
1297 } else if (adv & (ADVERTISED_1000baseT_Half |
1298 ADVERTISED_1000baseT_Full)) {
1299 netif_info(tp, link, dev,
1300 "PHY does not support 1000Mbps\n");
1304 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1306 rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1307 rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1311 if (speed == SPEED_10)
1313 else if (speed == SPEED_100)
1314 bmcr = BMCR_SPEED100;
1318 if (duplex == DUPLEX_FULL)
1319 bmcr |= BMCR_FULLDPLX;
1322 rtl_writephy(tp, MII_BMCR, bmcr);
1324 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1325 tp->mac_version == RTL_GIGA_MAC_VER_03) {
1326 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1327 rtl_writephy(tp, 0x17, 0x2138);
1328 rtl_writephy(tp, 0x0e, 0x0260);
1330 rtl_writephy(tp, 0x17, 0x2108);
1331 rtl_writephy(tp, 0x0e, 0x0000);
1340 static int rtl8169_set_speed(struct net_device *dev,
1341 u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1343 struct rtl8169_private *tp = netdev_priv(dev);
1346 ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1350 if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1351 (advertising & ADVERTISED_1000baseT_Full)) {
1352 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1358 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1360 struct rtl8169_private *tp = netdev_priv(dev);
1361 unsigned long flags;
1364 del_timer_sync(&tp->timer);
1366 spin_lock_irqsave(&tp->lock, flags);
1367 ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1368 cmd->duplex, cmd->advertising);
1369 spin_unlock_irqrestore(&tp->lock, flags);
1374 static u32 rtl8169_fix_features(struct net_device *dev, u32 features)
1376 if (dev->mtu > TD_MSS_MAX)
1377 features &= ~NETIF_F_ALL_TSO;
1382 static int rtl8169_set_features(struct net_device *dev, u32 features)
1384 struct rtl8169_private *tp = netdev_priv(dev);
1385 void __iomem *ioaddr = tp->mmio_addr;
1386 unsigned long flags;
1388 spin_lock_irqsave(&tp->lock, flags);
1390 if (features & NETIF_F_RXCSUM)
1391 tp->cp_cmd |= RxChkSum;
1393 tp->cp_cmd &= ~RxChkSum;
1395 if (dev->features & NETIF_F_HW_VLAN_RX)
1396 tp->cp_cmd |= RxVlan;
1398 tp->cp_cmd &= ~RxVlan;
1400 RTL_W16(CPlusCmd, tp->cp_cmd);
1403 spin_unlock_irqrestore(&tp->lock, flags);
1408 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1409 struct sk_buff *skb)
1411 return (vlan_tx_tag_present(skb)) ?
1412 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1415 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1417 u32 opts2 = le32_to_cpu(desc->opts2);
1419 if (opts2 & RxVlanTag)
1420 __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
1425 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1427 struct rtl8169_private *tp = netdev_priv(dev);
1428 void __iomem *ioaddr = tp->mmio_addr;
1432 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1433 cmd->port = PORT_FIBRE;
1434 cmd->transceiver = XCVR_INTERNAL;
1436 status = RTL_R32(TBICSR);
1437 cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0;
1438 cmd->autoneg = !!(status & TBINwEnable);
1440 ethtool_cmd_speed_set(cmd, SPEED_1000);
1441 cmd->duplex = DUPLEX_FULL; /* Always set */
1446 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1448 struct rtl8169_private *tp = netdev_priv(dev);
1450 return mii_ethtool_gset(&tp->mii, cmd);
1453 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1455 struct rtl8169_private *tp = netdev_priv(dev);
1456 unsigned long flags;
1459 spin_lock_irqsave(&tp->lock, flags);
1461 rc = tp->get_settings(dev, cmd);
1463 spin_unlock_irqrestore(&tp->lock, flags);
1467 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1470 struct rtl8169_private *tp = netdev_priv(dev);
1471 unsigned long flags;
1473 if (regs->len > R8169_REGS_SIZE)
1474 regs->len = R8169_REGS_SIZE;
1476 spin_lock_irqsave(&tp->lock, flags);
1477 memcpy_fromio(p, tp->mmio_addr, regs->len);
1478 spin_unlock_irqrestore(&tp->lock, flags);
1481 static u32 rtl8169_get_msglevel(struct net_device *dev)
1483 struct rtl8169_private *tp = netdev_priv(dev);
1485 return tp->msg_enable;
1488 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1490 struct rtl8169_private *tp = netdev_priv(dev);
1492 tp->msg_enable = value;
1495 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1502 "tx_single_collisions",
1503 "tx_multi_collisions",
1511 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1515 return ARRAY_SIZE(rtl8169_gstrings);
1521 static void rtl8169_update_counters(struct net_device *dev)
1523 struct rtl8169_private *tp = netdev_priv(dev);
1524 void __iomem *ioaddr = tp->mmio_addr;
1525 struct device *d = &tp->pci_dev->dev;
1526 struct rtl8169_counters *counters;
1532 * Some chips are unable to dump tally counters when the receiver
1535 if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1538 counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1542 RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1543 cmd = (u64)paddr & DMA_BIT_MASK(32);
1544 RTL_W32(CounterAddrLow, cmd);
1545 RTL_W32(CounterAddrLow, cmd | CounterDump);
1548 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1549 memcpy(&tp->counters, counters, sizeof(*counters));
1555 RTL_W32(CounterAddrLow, 0);
1556 RTL_W32(CounterAddrHigh, 0);
1558 dma_free_coherent(d, sizeof(*counters), counters, paddr);
1561 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1562 struct ethtool_stats *stats, u64 *data)
1564 struct rtl8169_private *tp = netdev_priv(dev);
1568 rtl8169_update_counters(dev);
1570 data[0] = le64_to_cpu(tp->counters.tx_packets);
1571 data[1] = le64_to_cpu(tp->counters.rx_packets);
1572 data[2] = le64_to_cpu(tp->counters.tx_errors);
1573 data[3] = le32_to_cpu(tp->counters.rx_errors);
1574 data[4] = le16_to_cpu(tp->counters.rx_missed);
1575 data[5] = le16_to_cpu(tp->counters.align_errors);
1576 data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1577 data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1578 data[8] = le64_to_cpu(tp->counters.rx_unicast);
1579 data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1580 data[10] = le32_to_cpu(tp->counters.rx_multicast);
1581 data[11] = le16_to_cpu(tp->counters.tx_aborted);
1582 data[12] = le16_to_cpu(tp->counters.tx_underun);
1585 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1589 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1594 static const struct ethtool_ops rtl8169_ethtool_ops = {
1595 .get_drvinfo = rtl8169_get_drvinfo,
1596 .get_regs_len = rtl8169_get_regs_len,
1597 .get_link = ethtool_op_get_link,
1598 .get_settings = rtl8169_get_settings,
1599 .set_settings = rtl8169_set_settings,
1600 .get_msglevel = rtl8169_get_msglevel,
1601 .set_msglevel = rtl8169_set_msglevel,
1602 .get_regs = rtl8169_get_regs,
1603 .get_wol = rtl8169_get_wol,
1604 .set_wol = rtl8169_set_wol,
1605 .get_strings = rtl8169_get_strings,
1606 .get_sset_count = rtl8169_get_sset_count,
1607 .get_ethtool_stats = rtl8169_get_ethtool_stats,
1610 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1611 struct net_device *dev, u8 default_version)
1613 void __iomem *ioaddr = tp->mmio_addr;
1615 * The driver currently handles the 8168Bf and the 8168Be identically
1616 * but they can be identified more specifically through the test below
1619 * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1621 * Same thing for the 8101Eb and the 8101Ec:
1623 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1625 static const struct rtl_mac_info {
1631 { 0x7cf00000, 0x2c200000, RTL_GIGA_MAC_VER_33 },
1632 { 0x7cf00000, 0x2c100000, RTL_GIGA_MAC_VER_32 },
1633 { 0x7c800000, 0x2c000000, RTL_GIGA_MAC_VER_33 },
1636 { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 },
1637 { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 },
1638 { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 },
1640 /* 8168DP family. */
1641 { 0x7cf00000, 0x28800000, RTL_GIGA_MAC_VER_27 },
1642 { 0x7cf00000, 0x28a00000, RTL_GIGA_MAC_VER_28 },
1643 { 0x7cf00000, 0x28b00000, RTL_GIGA_MAC_VER_31 },
1646 { 0x7cf00000, 0x3cb00000, RTL_GIGA_MAC_VER_24 },
1647 { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 },
1648 { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
1649 { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 },
1650 { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
1651 { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
1652 { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 },
1653 { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 },
1654 { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 },
1657 { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 },
1658 { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 },
1659 { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 },
1660 { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },
1663 { 0x7cf00000, 0x40b00000, RTL_GIGA_MAC_VER_30 },
1664 { 0x7cf00000, 0x40a00000, RTL_GIGA_MAC_VER_30 },
1665 { 0x7cf00000, 0x40900000, RTL_GIGA_MAC_VER_29 },
1666 { 0x7c800000, 0x40800000, RTL_GIGA_MAC_VER_30 },
1667 { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 },
1668 { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 },
1669 { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 },
1670 { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 },
1671 { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 },
1672 { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 },
1673 { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
1674 { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 },
1675 { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
1676 { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 },
1677 { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 },
1678 { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 },
1679 /* FIXME: where did these entries come from ? -- FR */
1680 { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 },
1681 { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 },
1684 { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 },
1685 { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 },
1686 { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 },
1687 { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 },
1688 { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 },
1689 { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 },
1692 { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE }
1694 const struct rtl_mac_info *p = mac_info;
1697 reg = RTL_R32(TxConfig);
1698 while ((reg & p->mask) != p->val)
1700 tp->mac_version = p->mac_version;
1702 if (tp->mac_version == RTL_GIGA_MAC_NONE) {
1703 netif_notice(tp, probe, dev,
1704 "unknown MAC, using family default\n");
1705 tp->mac_version = default_version;
1709 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1711 dprintk("mac_version = 0x%02x\n", tp->mac_version);
1719 static void rtl_writephy_batch(struct rtl8169_private *tp,
1720 const struct phy_reg *regs, int len)
1723 rtl_writephy(tp, regs->reg, regs->val);
1728 #define PHY_READ 0x00000000
1729 #define PHY_DATA_OR 0x10000000
1730 #define PHY_DATA_AND 0x20000000
1731 #define PHY_BJMPN 0x30000000
1732 #define PHY_READ_EFUSE 0x40000000
1733 #define PHY_READ_MAC_BYTE 0x50000000
1734 #define PHY_WRITE_MAC_BYTE 0x60000000
1735 #define PHY_CLEAR_READCOUNT 0x70000000
1736 #define PHY_WRITE 0x80000000
1737 #define PHY_READCOUNT_EQ_SKIP 0x90000000
1738 #define PHY_COMP_EQ_SKIPN 0xa0000000
1739 #define PHY_COMP_NEQ_SKIPN 0xb0000000
1740 #define PHY_WRITE_PREVIOUS 0xc0000000
1741 #define PHY_SKIPN 0xd0000000
1742 #define PHY_DELAY_MS 0xe0000000
1743 #define PHY_WRITE_ERI_WORD 0xf0000000
1746 rtl_phy_write_fw(struct rtl8169_private *tp, const struct firmware *fw)
1748 __le32 *phytable = (__le32 *)fw->data;
1749 struct net_device *dev = tp->dev;
1750 size_t index, fw_size = fw->size / sizeof(*phytable);
1753 if (fw->size % sizeof(*phytable)) {
1754 netif_err(tp, probe, dev, "odd sized firmware %zd\n", fw->size);
1758 for (index = 0; index < fw_size; index++) {
1759 u32 action = le32_to_cpu(phytable[index]);
1760 u32 regno = (action & 0x0fff0000) >> 16;
1762 switch(action & 0xf0000000) {
1766 case PHY_READ_EFUSE:
1767 case PHY_CLEAR_READCOUNT:
1769 case PHY_WRITE_PREVIOUS:
1774 if (regno > index) {
1775 netif_err(tp, probe, tp->dev,
1776 "Out of range of firmware\n");
1780 case PHY_READCOUNT_EQ_SKIP:
1781 if (index + 2 >= fw_size) {
1782 netif_err(tp, probe, tp->dev,
1783 "Out of range of firmware\n");
1787 case PHY_COMP_EQ_SKIPN:
1788 case PHY_COMP_NEQ_SKIPN:
1790 if (index + 1 + regno >= fw_size) {
1791 netif_err(tp, probe, tp->dev,
1792 "Out of range of firmware\n");
1797 case PHY_READ_MAC_BYTE:
1798 case PHY_WRITE_MAC_BYTE:
1799 case PHY_WRITE_ERI_WORD:
1801 netif_err(tp, probe, tp->dev,
1802 "Invalid action 0x%08x\n", action);
1810 for (index = 0; index < fw_size; ) {
1811 u32 action = le32_to_cpu(phytable[index]);
1812 u32 data = action & 0x0000ffff;
1813 u32 regno = (action & 0x0fff0000) >> 16;
1818 switch(action & 0xf0000000) {
1820 predata = rtl_readphy(tp, regno);
1835 case PHY_READ_EFUSE:
1836 predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
1839 case PHY_CLEAR_READCOUNT:
1844 rtl_writephy(tp, regno, data);
1847 case PHY_READCOUNT_EQ_SKIP:
1848 index += (count == data) ? 2 : 1;
1850 case PHY_COMP_EQ_SKIPN:
1851 if (predata == data)
1855 case PHY_COMP_NEQ_SKIPN:
1856 if (predata != data)
1860 case PHY_WRITE_PREVIOUS:
1861 rtl_writephy(tp, regno, predata);
1872 case PHY_READ_MAC_BYTE:
1873 case PHY_WRITE_MAC_BYTE:
1874 case PHY_WRITE_ERI_WORD:
1881 static void rtl_release_firmware(struct rtl8169_private *tp)
1883 if (!IS_ERR_OR_NULL(tp->fw))
1884 release_firmware(tp->fw);
1885 tp->fw = RTL_FIRMWARE_UNKNOWN;
1888 static void rtl_apply_firmware(struct rtl8169_private *tp)
1890 const struct firmware *fw = tp->fw;
1892 /* TODO: release firmware once rtl_phy_write_fw signals failures. */
1893 if (!IS_ERR_OR_NULL(fw))
1894 rtl_phy_write_fw(tp, fw);
1897 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
1899 if (rtl_readphy(tp, reg) != val)
1900 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
1902 rtl_apply_firmware(tp);
1905 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
1907 static const struct phy_reg phy_reg_init[] = {
1969 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1972 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
1974 static const struct phy_reg phy_reg_init[] = {
1980 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1983 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
1985 struct pci_dev *pdev = tp->pci_dev;
1986 u16 vendor_id, device_id;
1988 pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id);
1989 pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &device_id);
1991 if ((vendor_id != PCI_VENDOR_ID_GIGABYTE) || (device_id != 0xe000))
1994 rtl_writephy(tp, 0x1f, 0x0001);
1995 rtl_writephy(tp, 0x10, 0xf01b);
1996 rtl_writephy(tp, 0x1f, 0x0000);
1999 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2001 static const struct phy_reg phy_reg_init[] = {
2041 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2043 rtl8169scd_hw_phy_config_quirk(tp);
2046 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2048 static const struct phy_reg phy_reg_init[] = {
2096 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2099 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2101 static const struct phy_reg phy_reg_init[] = {
2106 rtl_writephy(tp, 0x1f, 0x0001);
2107 rtl_patchphy(tp, 0x16, 1 << 0);
2109 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2112 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2114 static const struct phy_reg phy_reg_init[] = {
2120 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2123 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2125 static const struct phy_reg phy_reg_init[] = {
2133 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2136 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2138 static const struct phy_reg phy_reg_init[] = {
2144 rtl_writephy(tp, 0x1f, 0x0000);
2145 rtl_patchphy(tp, 0x14, 1 << 5);
2146 rtl_patchphy(tp, 0x0d, 1 << 5);
2148 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2151 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2153 static const struct phy_reg phy_reg_init[] = {
2173 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2175 rtl_patchphy(tp, 0x14, 1 << 5);
2176 rtl_patchphy(tp, 0x0d, 1 << 5);
2177 rtl_writephy(tp, 0x1f, 0x0000);
2180 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2182 static const struct phy_reg phy_reg_init[] = {
2200 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2202 rtl_patchphy(tp, 0x16, 1 << 0);
2203 rtl_patchphy(tp, 0x14, 1 << 5);
2204 rtl_patchphy(tp, 0x0d, 1 << 5);
2205 rtl_writephy(tp, 0x1f, 0x0000);
2208 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2210 static const struct phy_reg phy_reg_init[] = {
2222 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2224 rtl_patchphy(tp, 0x16, 1 << 0);
2225 rtl_patchphy(tp, 0x14, 1 << 5);
2226 rtl_patchphy(tp, 0x0d, 1 << 5);
2227 rtl_writephy(tp, 0x1f, 0x0000);
2230 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2232 rtl8168c_3_hw_phy_config(tp);
2235 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2237 static const struct phy_reg phy_reg_init_0[] = {
2238 /* Channel Estimation */
2259 * Enhance line driver power
2268 * Can not link to 1Gbps with bad cable
2269 * Decrease SNR threshold form 21.07dB to 19.04dB
2277 void __iomem *ioaddr = tp->mmio_addr;
2279 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2283 * Fine Tune Switching regulator parameter
2285 rtl_writephy(tp, 0x1f, 0x0002);
2286 rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2287 rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2289 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2290 static const struct phy_reg phy_reg_init[] = {
2300 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2302 val = rtl_readphy(tp, 0x0d);
2304 if ((val & 0x00ff) != 0x006c) {
2305 static const u32 set[] = {
2306 0x0065, 0x0066, 0x0067, 0x0068,
2307 0x0069, 0x006a, 0x006b, 0x006c
2311 rtl_writephy(tp, 0x1f, 0x0002);
2314 for (i = 0; i < ARRAY_SIZE(set); i++)
2315 rtl_writephy(tp, 0x0d, val | set[i]);
2318 static const struct phy_reg phy_reg_init[] = {
2326 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2329 /* RSET couple improve */
2330 rtl_writephy(tp, 0x1f, 0x0002);
2331 rtl_patchphy(tp, 0x0d, 0x0300);
2332 rtl_patchphy(tp, 0x0f, 0x0010);
2334 /* Fine tune PLL performance */
2335 rtl_writephy(tp, 0x1f, 0x0002);
2336 rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2337 rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2339 rtl_writephy(tp, 0x1f, 0x0005);
2340 rtl_writephy(tp, 0x05, 0x001b);
2342 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2344 rtl_writephy(tp, 0x1f, 0x0000);
2347 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2349 static const struct phy_reg phy_reg_init_0[] = {
2350 /* Channel Estimation */
2371 * Enhance line driver power
2380 * Can not link to 1Gbps with bad cable
2381 * Decrease SNR threshold form 21.07dB to 19.04dB
2389 void __iomem *ioaddr = tp->mmio_addr;
2391 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2393 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2394 static const struct phy_reg phy_reg_init[] = {
2405 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2407 val = rtl_readphy(tp, 0x0d);
2408 if ((val & 0x00ff) != 0x006c) {
2409 static const u32 set[] = {
2410 0x0065, 0x0066, 0x0067, 0x0068,
2411 0x0069, 0x006a, 0x006b, 0x006c
2415 rtl_writephy(tp, 0x1f, 0x0002);
2418 for (i = 0; i < ARRAY_SIZE(set); i++)
2419 rtl_writephy(tp, 0x0d, val | set[i]);
2422 static const struct phy_reg phy_reg_init[] = {
2430 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2433 /* Fine tune PLL performance */
2434 rtl_writephy(tp, 0x1f, 0x0002);
2435 rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2436 rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2438 /* Switching regulator Slew rate */
2439 rtl_writephy(tp, 0x1f, 0x0002);
2440 rtl_patchphy(tp, 0x0f, 0x0017);
2442 rtl_writephy(tp, 0x1f, 0x0005);
2443 rtl_writephy(tp, 0x05, 0x001b);
2445 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2447 rtl_writephy(tp, 0x1f, 0x0000);
2450 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2452 static const struct phy_reg phy_reg_init[] = {
2508 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2511 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
2513 static const struct phy_reg phy_reg_init[] = {
2523 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2524 rtl_patchphy(tp, 0x0d, 1 << 5);
2527 static void rtl8168e_hw_phy_config(struct rtl8169_private *tp)
2529 static const struct phy_reg phy_reg_init[] = {
2530 /* Enable Delay cap */
2536 /* Channel estimation fine tune */
2545 /* Update PFM & 10M TX idle timer */
2557 rtl_apply_firmware(tp);
2559 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2561 /* DCO enable for 10M IDLE Power */
2562 rtl_writephy(tp, 0x1f, 0x0007);
2563 rtl_writephy(tp, 0x1e, 0x0023);
2564 rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2565 rtl_writephy(tp, 0x1f, 0x0000);
2567 /* For impedance matching */
2568 rtl_writephy(tp, 0x1f, 0x0002);
2569 rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
2570 rtl_writephy(tp, 0x1f, 0x0000);
2572 /* PHY auto speed down */
2573 rtl_writephy(tp, 0x1f, 0x0007);
2574 rtl_writephy(tp, 0x1e, 0x002d);
2575 rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
2576 rtl_writephy(tp, 0x1f, 0x0000);
2577 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2579 rtl_writephy(tp, 0x1f, 0x0005);
2580 rtl_writephy(tp, 0x05, 0x8b86);
2581 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2582 rtl_writephy(tp, 0x1f, 0x0000);
2584 rtl_writephy(tp, 0x1f, 0x0005);
2585 rtl_writephy(tp, 0x05, 0x8b85);
2586 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2587 rtl_writephy(tp, 0x1f, 0x0007);
2588 rtl_writephy(tp, 0x1e, 0x0020);
2589 rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
2590 rtl_writephy(tp, 0x1f, 0x0006);
2591 rtl_writephy(tp, 0x00, 0x5a00);
2592 rtl_writephy(tp, 0x1f, 0x0000);
2593 rtl_writephy(tp, 0x0d, 0x0007);
2594 rtl_writephy(tp, 0x0e, 0x003c);
2595 rtl_writephy(tp, 0x0d, 0x4007);
2596 rtl_writephy(tp, 0x0e, 0x0000);
2597 rtl_writephy(tp, 0x0d, 0x0000);
2600 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
2602 static const struct phy_reg phy_reg_init[] = {
2609 rtl_writephy(tp, 0x1f, 0x0000);
2610 rtl_patchphy(tp, 0x11, 1 << 12);
2611 rtl_patchphy(tp, 0x19, 1 << 13);
2612 rtl_patchphy(tp, 0x10, 1 << 15);
2614 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2617 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
2619 static const struct phy_reg phy_reg_init[] = {
2633 /* Disable ALDPS before ram code */
2634 rtl_writephy(tp, 0x1f, 0x0000);
2635 rtl_writephy(tp, 0x18, 0x0310);
2638 rtl_apply_firmware(tp);
2640 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2643 static void rtl_hw_phy_config(struct net_device *dev)
2645 struct rtl8169_private *tp = netdev_priv(dev);
2647 rtl8169_print_mac_version(tp);
2649 switch (tp->mac_version) {
2650 case RTL_GIGA_MAC_VER_01:
2652 case RTL_GIGA_MAC_VER_02:
2653 case RTL_GIGA_MAC_VER_03:
2654 rtl8169s_hw_phy_config(tp);
2656 case RTL_GIGA_MAC_VER_04:
2657 rtl8169sb_hw_phy_config(tp);
2659 case RTL_GIGA_MAC_VER_05:
2660 rtl8169scd_hw_phy_config(tp);
2662 case RTL_GIGA_MAC_VER_06:
2663 rtl8169sce_hw_phy_config(tp);
2665 case RTL_GIGA_MAC_VER_07:
2666 case RTL_GIGA_MAC_VER_08:
2667 case RTL_GIGA_MAC_VER_09:
2668 rtl8102e_hw_phy_config(tp);
2670 case RTL_GIGA_MAC_VER_11:
2671 rtl8168bb_hw_phy_config(tp);
2673 case RTL_GIGA_MAC_VER_12:
2674 rtl8168bef_hw_phy_config(tp);
2676 case RTL_GIGA_MAC_VER_17:
2677 rtl8168bef_hw_phy_config(tp);
2679 case RTL_GIGA_MAC_VER_18:
2680 rtl8168cp_1_hw_phy_config(tp);
2682 case RTL_GIGA_MAC_VER_19:
2683 rtl8168c_1_hw_phy_config(tp);
2685 case RTL_GIGA_MAC_VER_20:
2686 rtl8168c_2_hw_phy_config(tp);
2688 case RTL_GIGA_MAC_VER_21:
2689 rtl8168c_3_hw_phy_config(tp);
2691 case RTL_GIGA_MAC_VER_22:
2692 rtl8168c_4_hw_phy_config(tp);
2694 case RTL_GIGA_MAC_VER_23:
2695 case RTL_GIGA_MAC_VER_24:
2696 rtl8168cp_2_hw_phy_config(tp);
2698 case RTL_GIGA_MAC_VER_25:
2699 rtl8168d_1_hw_phy_config(tp);
2701 case RTL_GIGA_MAC_VER_26:
2702 rtl8168d_2_hw_phy_config(tp);
2704 case RTL_GIGA_MAC_VER_27:
2705 rtl8168d_3_hw_phy_config(tp);
2707 case RTL_GIGA_MAC_VER_28:
2708 rtl8168d_4_hw_phy_config(tp);
2710 case RTL_GIGA_MAC_VER_29:
2711 case RTL_GIGA_MAC_VER_30:
2712 rtl8105e_hw_phy_config(tp);
2714 case RTL_GIGA_MAC_VER_31:
2717 case RTL_GIGA_MAC_VER_32:
2718 case RTL_GIGA_MAC_VER_33:
2719 rtl8168e_hw_phy_config(tp);
2727 static void rtl8169_phy_timer(unsigned long __opaque)
2729 struct net_device *dev = (struct net_device *)__opaque;
2730 struct rtl8169_private *tp = netdev_priv(dev);
2731 struct timer_list *timer = &tp->timer;
2732 void __iomem *ioaddr = tp->mmio_addr;
2733 unsigned long timeout = RTL8169_PHY_TIMEOUT;
2735 assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
2737 spin_lock_irq(&tp->lock);
2739 if (tp->phy_reset_pending(tp)) {
2741 * A busy loop could burn quite a few cycles on nowadays CPU.
2742 * Let's delay the execution of the timer for a few ticks.
2748 if (tp->link_ok(ioaddr))
2751 netif_warn(tp, link, dev, "PHY reset until link up\n");
2753 tp->phy_reset_enable(tp);
2756 mod_timer(timer, jiffies + timeout);
2758 spin_unlock_irq(&tp->lock);
2761 #ifdef CONFIG_NET_POLL_CONTROLLER
2763 * Polling 'interrupt' - used by things like netconsole to send skbs
2764 * without having to re-enable interrupts. It's not called while
2765 * the interrupt routine is executing.
2767 static void rtl8169_netpoll(struct net_device *dev)
2769 struct rtl8169_private *tp = netdev_priv(dev);
2770 struct pci_dev *pdev = tp->pci_dev;
2772 disable_irq(pdev->irq);
2773 rtl8169_interrupt(pdev->irq, dev);
2774 enable_irq(pdev->irq);
2778 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
2779 void __iomem *ioaddr)
2782 pci_release_regions(pdev);
2783 pci_clear_mwi(pdev);
2784 pci_disable_device(pdev);
2788 static void rtl8169_phy_reset(struct net_device *dev,
2789 struct rtl8169_private *tp)
2793 tp->phy_reset_enable(tp);
2794 for (i = 0; i < 100; i++) {
2795 if (!tp->phy_reset_pending(tp))
2799 netif_err(tp, link, dev, "PHY reset failed\n");
2802 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
2804 void __iomem *ioaddr = tp->mmio_addr;
2806 rtl_hw_phy_config(dev);
2808 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
2809 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
2813 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
2815 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
2816 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
2818 if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
2819 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
2821 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
2822 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
2825 rtl8169_phy_reset(dev, tp);
2827 rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
2828 ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
2829 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
2830 (tp->mii.supports_gmii ?
2831 ADVERTISED_1000baseT_Half |
2832 ADVERTISED_1000baseT_Full : 0));
2834 if (RTL_R8(PHYstatus) & TBI_Enable)
2835 netif_info(tp, link, dev, "TBI auto-negotiating\n");
2838 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
2840 void __iomem *ioaddr = tp->mmio_addr;
2844 low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2845 high = addr[4] | (addr[5] << 8);
2847 spin_lock_irq(&tp->lock);
2849 RTL_W8(Cfg9346, Cfg9346_Unlock);
2851 RTL_W32(MAC4, high);
2857 RTL_W8(Cfg9346, Cfg9346_Lock);
2859 spin_unlock_irq(&tp->lock);
2862 static int rtl_set_mac_address(struct net_device *dev, void *p)
2864 struct rtl8169_private *tp = netdev_priv(dev);
2865 struct sockaddr *addr = p;
2867 if (!is_valid_ether_addr(addr->sa_data))
2868 return -EADDRNOTAVAIL;
2870 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
2872 rtl_rar_set(tp, dev->dev_addr);
2877 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
2879 struct rtl8169_private *tp = netdev_priv(dev);
2880 struct mii_ioctl_data *data = if_mii(ifr);
2882 return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
2885 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
2886 struct mii_ioctl_data *data, int cmd)
2890 data->phy_id = 32; /* Internal PHY */
2894 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
2898 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
2904 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
2909 static const struct rtl_cfg_info {
2910 void (*hw_start)(struct net_device *);
2911 unsigned int region;
2917 } rtl_cfg_infos [] = {
2919 .hw_start = rtl_hw_start_8169,
2922 .intr_event = SYSErr | LinkChg | RxOverflow |
2923 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
2924 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
2925 .features = RTL_FEATURE_GMII,
2926 .default_ver = RTL_GIGA_MAC_VER_01,
2929 .hw_start = rtl_hw_start_8168,
2932 .intr_event = SYSErr | LinkChg | RxOverflow |
2933 TxErr | TxOK | RxOK | RxErr,
2934 .napi_event = TxErr | TxOK | RxOK | RxOverflow,
2935 .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
2936 .default_ver = RTL_GIGA_MAC_VER_11,
2939 .hw_start = rtl_hw_start_8101,
2942 .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout |
2943 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
2944 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
2945 .features = RTL_FEATURE_MSI,
2946 .default_ver = RTL_GIGA_MAC_VER_13,
2950 /* Cfg9346_Unlock assumed. */
2951 static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
2952 const struct rtl_cfg_info *cfg)
2957 cfg2 = RTL_R8(Config2) & ~MSIEnable;
2958 if (cfg->features & RTL_FEATURE_MSI) {
2959 if (pci_enable_msi(pdev)) {
2960 dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
2963 msi = RTL_FEATURE_MSI;
2966 RTL_W8(Config2, cfg2);
2970 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
2972 if (tp->features & RTL_FEATURE_MSI) {
2973 pci_disable_msi(pdev);
2974 tp->features &= ~RTL_FEATURE_MSI;
2978 static const struct net_device_ops rtl8169_netdev_ops = {
2979 .ndo_open = rtl8169_open,
2980 .ndo_stop = rtl8169_close,
2981 .ndo_get_stats = rtl8169_get_stats,
2982 .ndo_start_xmit = rtl8169_start_xmit,
2983 .ndo_tx_timeout = rtl8169_tx_timeout,
2984 .ndo_validate_addr = eth_validate_addr,
2985 .ndo_change_mtu = rtl8169_change_mtu,
2986 .ndo_fix_features = rtl8169_fix_features,
2987 .ndo_set_features = rtl8169_set_features,
2988 .ndo_set_mac_address = rtl_set_mac_address,
2989 .ndo_do_ioctl = rtl8169_ioctl,
2990 .ndo_set_multicast_list = rtl_set_rx_mode,
2991 #ifdef CONFIG_NET_POLL_CONTROLLER
2992 .ndo_poll_controller = rtl8169_netpoll,
2997 static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
2999 struct mdio_ops *ops = &tp->mdio_ops;
3001 switch (tp->mac_version) {
3002 case RTL_GIGA_MAC_VER_27:
3003 ops->write = r8168dp_1_mdio_write;
3004 ops->read = r8168dp_1_mdio_read;
3006 case RTL_GIGA_MAC_VER_28:
3007 case RTL_GIGA_MAC_VER_31:
3008 ops->write = r8168dp_2_mdio_write;
3009 ops->read = r8168dp_2_mdio_read;
3012 ops->write = r8169_mdio_write;
3013 ops->read = r8169_mdio_read;
3018 static void r810x_phy_power_down(struct rtl8169_private *tp)
3020 rtl_writephy(tp, 0x1f, 0x0000);
3021 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3024 static void r810x_phy_power_up(struct rtl8169_private *tp)
3026 rtl_writephy(tp, 0x1f, 0x0000);
3027 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3030 static void r810x_pll_power_down(struct rtl8169_private *tp)
3032 if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3033 rtl_writephy(tp, 0x1f, 0x0000);
3034 rtl_writephy(tp, MII_BMCR, 0x0000);
3038 r810x_phy_power_down(tp);
3041 static void r810x_pll_power_up(struct rtl8169_private *tp)
3043 r810x_phy_power_up(tp);
3046 static void r8168_phy_power_up(struct rtl8169_private *tp)
3048 rtl_writephy(tp, 0x1f, 0x0000);
3049 switch (tp->mac_version) {
3050 case RTL_GIGA_MAC_VER_11:
3051 case RTL_GIGA_MAC_VER_12:
3052 case RTL_GIGA_MAC_VER_17:
3053 case RTL_GIGA_MAC_VER_18:
3054 case RTL_GIGA_MAC_VER_19:
3055 case RTL_GIGA_MAC_VER_20:
3056 case RTL_GIGA_MAC_VER_21:
3057 case RTL_GIGA_MAC_VER_22:
3058 case RTL_GIGA_MAC_VER_23:
3059 case RTL_GIGA_MAC_VER_24:
3060 case RTL_GIGA_MAC_VER_25:
3061 case RTL_GIGA_MAC_VER_26:
3062 case RTL_GIGA_MAC_VER_27:
3063 case RTL_GIGA_MAC_VER_28:
3064 case RTL_GIGA_MAC_VER_31:
3065 rtl_writephy(tp, 0x0e, 0x0000);
3070 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3073 static void r8168_phy_power_down(struct rtl8169_private *tp)
3075 rtl_writephy(tp, 0x1f, 0x0000);
3076 switch (tp->mac_version) {
3077 case RTL_GIGA_MAC_VER_32:
3078 case RTL_GIGA_MAC_VER_33:
3079 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
3082 case RTL_GIGA_MAC_VER_11:
3083 case RTL_GIGA_MAC_VER_12:
3084 case RTL_GIGA_MAC_VER_17:
3085 case RTL_GIGA_MAC_VER_18:
3086 case RTL_GIGA_MAC_VER_19:
3087 case RTL_GIGA_MAC_VER_20:
3088 case RTL_GIGA_MAC_VER_21:
3089 case RTL_GIGA_MAC_VER_22:
3090 case RTL_GIGA_MAC_VER_23:
3091 case RTL_GIGA_MAC_VER_24:
3092 case RTL_GIGA_MAC_VER_25:
3093 case RTL_GIGA_MAC_VER_26:
3094 case RTL_GIGA_MAC_VER_27:
3095 case RTL_GIGA_MAC_VER_28:
3096 case RTL_GIGA_MAC_VER_31:
3097 rtl_writephy(tp, 0x0e, 0x0200);
3099 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3104 static void r8168_pll_power_down(struct rtl8169_private *tp)
3106 void __iomem *ioaddr = tp->mmio_addr;
3108 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3109 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3110 tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3111 r8168dp_check_dash(tp)) {
3115 if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
3116 tp->mac_version == RTL_GIGA_MAC_VER_24) &&
3117 (RTL_R16(CPlusCmd) & ASF)) {
3121 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3122 tp->mac_version == RTL_GIGA_MAC_VER_33)
3123 rtl_ephy_write(ioaddr, 0x19, 0xff64);
3125 if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3126 rtl_writephy(tp, 0x1f, 0x0000);
3127 rtl_writephy(tp, MII_BMCR, 0x0000);
3129 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3130 tp->mac_version == RTL_GIGA_MAC_VER_33)
3131 RTL_W32(RxConfig, RTL_R32(RxConfig) | AcceptBroadcast |
3132 AcceptMulticast | AcceptMyPhys);
3136 r8168_phy_power_down(tp);
3138 switch (tp->mac_version) {
3139 case RTL_GIGA_MAC_VER_25:
3140 case RTL_GIGA_MAC_VER_26:
3141 case RTL_GIGA_MAC_VER_27:
3142 case RTL_GIGA_MAC_VER_28:
3143 case RTL_GIGA_MAC_VER_31:
3144 case RTL_GIGA_MAC_VER_32:
3145 case RTL_GIGA_MAC_VER_33:
3146 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3151 static void r8168_pll_power_up(struct rtl8169_private *tp)
3153 void __iomem *ioaddr = tp->mmio_addr;
3155 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3156 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3157 tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3158 r8168dp_check_dash(tp)) {
3162 switch (tp->mac_version) {
3163 case RTL_GIGA_MAC_VER_25:
3164 case RTL_GIGA_MAC_VER_26:
3165 case RTL_GIGA_MAC_VER_27:
3166 case RTL_GIGA_MAC_VER_28:
3167 case RTL_GIGA_MAC_VER_31:
3168 case RTL_GIGA_MAC_VER_32:
3169 case RTL_GIGA_MAC_VER_33:
3170 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
3174 r8168_phy_power_up(tp);
3177 static void rtl_pll_power_op(struct rtl8169_private *tp,
3178 void (*op)(struct rtl8169_private *))
3184 static void rtl_pll_power_down(struct rtl8169_private *tp)
3186 rtl_pll_power_op(tp, tp->pll_power_ops.down);
3189 static void rtl_pll_power_up(struct rtl8169_private *tp)
3191 rtl_pll_power_op(tp, tp->pll_power_ops.up);
3194 static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
3196 struct pll_power_ops *ops = &tp->pll_power_ops;
3198 switch (tp->mac_version) {
3199 case RTL_GIGA_MAC_VER_07:
3200 case RTL_GIGA_MAC_VER_08:
3201 case RTL_GIGA_MAC_VER_09:
3202 case RTL_GIGA_MAC_VER_10:
3203 case RTL_GIGA_MAC_VER_16:
3204 case RTL_GIGA_MAC_VER_29:
3205 case RTL_GIGA_MAC_VER_30:
3206 ops->down = r810x_pll_power_down;
3207 ops->up = r810x_pll_power_up;
3210 case RTL_GIGA_MAC_VER_11:
3211 case RTL_GIGA_MAC_VER_12:
3212 case RTL_GIGA_MAC_VER_17:
3213 case RTL_GIGA_MAC_VER_18:
3214 case RTL_GIGA_MAC_VER_19:
3215 case RTL_GIGA_MAC_VER_20:
3216 case RTL_GIGA_MAC_VER_21:
3217 case RTL_GIGA_MAC_VER_22:
3218 case RTL_GIGA_MAC_VER_23:
3219 case RTL_GIGA_MAC_VER_24:
3220 case RTL_GIGA_MAC_VER_25:
3221 case RTL_GIGA_MAC_VER_26:
3222 case RTL_GIGA_MAC_VER_27:
3223 case RTL_GIGA_MAC_VER_28:
3224 case RTL_GIGA_MAC_VER_31:
3225 case RTL_GIGA_MAC_VER_32:
3226 case RTL_GIGA_MAC_VER_33:
3227 ops->down = r8168_pll_power_down;
3228 ops->up = r8168_pll_power_up;
3238 static void rtl_hw_reset(struct rtl8169_private *tp)
3240 void __iomem *ioaddr = tp->mmio_addr;
3243 /* Soft reset the chip. */
3244 RTL_W8(ChipCmd, CmdReset);
3246 /* Check that the chip has finished the reset. */
3247 for (i = 0; i < 100; i++) {
3248 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3250 msleep_interruptible(1);
3254 static int __devinit
3255 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3257 const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
3258 const unsigned int region = cfg->region;
3259 struct rtl8169_private *tp;
3260 struct mii_if_info *mii;
3261 struct net_device *dev;
3262 void __iomem *ioaddr;
3266 if (netif_msg_drv(&debug)) {
3267 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
3268 MODULENAME, RTL8169_VERSION);
3271 dev = alloc_etherdev(sizeof (*tp));
3273 if (netif_msg_drv(&debug))
3274 dev_err(&pdev->dev, "unable to alloc new ethernet\n");
3279 SET_NETDEV_DEV(dev, &pdev->dev);
3280 dev->netdev_ops = &rtl8169_netdev_ops;
3281 tp = netdev_priv(dev);
3284 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
3288 mii->mdio_read = rtl_mdio_read;
3289 mii->mdio_write = rtl_mdio_write;
3290 mii->phy_id_mask = 0x1f;
3291 mii->reg_num_mask = 0x1f;
3292 mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
3294 /* disable ASPM completely as that cause random device stop working
3295 * problems as well as full system hangs for some PCIe devices users */
3296 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
3297 PCIE_LINK_STATE_CLKPM);
3299 /* enable device (incl. PCI PM wakeup and hotplug setup) */
3300 rc = pci_enable_device(pdev);
3302 netif_err(tp, probe, dev, "enable failure\n");
3303 goto err_out_free_dev_1;
3306 if (pci_set_mwi(pdev) < 0)
3307 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
3309 /* make sure PCI base addr 1 is MMIO */
3310 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
3311 netif_err(tp, probe, dev,
3312 "region #%d not an MMIO resource, aborting\n",
3318 /* check for weird/broken PCI region reporting */
3319 if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
3320 netif_err(tp, probe, dev,
3321 "Invalid PCI region size(s), aborting\n");
3326 rc = pci_request_regions(pdev, MODULENAME);
3328 netif_err(tp, probe, dev, "could not request regions\n");
3332 tp->cp_cmd = RxChkSum;
3334 if ((sizeof(dma_addr_t) > 4) &&
3335 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
3336 tp->cp_cmd |= PCIDAC;
3337 dev->features |= NETIF_F_HIGHDMA;
3339 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3341 netif_err(tp, probe, dev, "DMA configuration failed\n");
3342 goto err_out_free_res_3;
3346 /* ioremap MMIO region */
3347 ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
3349 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3351 goto err_out_free_res_3;
3353 tp->mmio_addr = ioaddr;
3355 tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
3357 netif_info(tp, probe, dev, "no PCI Express capability\n");
3359 RTL_W16(IntrMask, 0x0000);
3363 RTL_W16(IntrStatus, 0xffff);
3365 pci_set_master(pdev);
3367 /* Identify chip attached to board */
3368 rtl8169_get_mac_version(tp, dev, cfg->default_ver);
3371 * Pretend we are using VLANs; This bypasses a nasty bug where
3372 * Interrupts stop flowing on high load on 8110SCd controllers.
3374 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3375 tp->cp_cmd |= RxVlan;
3377 rtl_init_mdio_ops(tp);
3378 rtl_init_pll_power_ops(tp);
3380 rtl8169_print_mac_version(tp);
3382 chipset = tp->mac_version;
3383 tp->txd_version = rtl_chip_infos[chipset].txd_version;
3385 RTL_W8(Cfg9346, Cfg9346_Unlock);
3386 RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
3387 RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
3388 if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
3389 tp->features |= RTL_FEATURE_WOL;
3390 if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
3391 tp->features |= RTL_FEATURE_WOL;
3392 tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
3393 RTL_W8(Cfg9346, Cfg9346_Lock);
3395 if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
3396 (RTL_R8(PHYstatus) & TBI_Enable)) {
3397 tp->set_speed = rtl8169_set_speed_tbi;
3398 tp->get_settings = rtl8169_gset_tbi;
3399 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
3400 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
3401 tp->link_ok = rtl8169_tbi_link_ok;
3402 tp->do_ioctl = rtl_tbi_ioctl;
3404 tp->set_speed = rtl8169_set_speed_xmii;
3405 tp->get_settings = rtl8169_gset_xmii;
3406 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
3407 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
3408 tp->link_ok = rtl8169_xmii_link_ok;
3409 tp->do_ioctl = rtl_xmii_ioctl;
3412 spin_lock_init(&tp->lock);
3414 /* Get MAC address */
3415 for (i = 0; i < MAC_ADDR_LEN; i++)
3416 dev->dev_addr[i] = RTL_R8(MAC0 + i);
3417 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
3419 SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
3420 dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
3421 dev->irq = pdev->irq;
3422 dev->base_addr = (unsigned long) ioaddr;
3424 netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
3426 /* don't enable SG, IP_CSUM and TSO by default - it might not work
3427 * properly for all devices */
3428 dev->features |= NETIF_F_RXCSUM |
3429 NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3431 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3432 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3433 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3436 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3437 /* 8110SCd requires hardware Rx VLAN - disallow toggling */
3438 dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
3440 tp->intr_mask = 0xffff;
3441 tp->hw_start = cfg->hw_start;
3442 tp->intr_event = cfg->intr_event;
3443 tp->napi_event = cfg->napi_event;
3445 init_timer(&tp->timer);
3446 tp->timer.data = (unsigned long) dev;
3447 tp->timer.function = rtl8169_phy_timer;
3449 tp->fw = RTL_FIRMWARE_UNKNOWN;
3451 rc = register_netdev(dev);
3455 pci_set_drvdata(pdev, dev);
3457 netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
3458 rtl_chip_infos[chipset].name, dev->base_addr, dev->dev_addr,
3459 (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
3461 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3462 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3463 tp->mac_version == RTL_GIGA_MAC_VER_31) {
3464 rtl8168_driver_start(tp);
3467 device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
3469 if (pci_dev_run_wake(pdev))
3470 pm_runtime_put_noidle(&pdev->dev);
3472 netif_carrier_off(dev);
3478 rtl_disable_msi(pdev, tp);
3481 pci_release_regions(pdev);
3483 pci_clear_mwi(pdev);
3484 pci_disable_device(pdev);
3490 static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
3492 struct net_device *dev = pci_get_drvdata(pdev);
3493 struct rtl8169_private *tp = netdev_priv(dev);
3495 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3496 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3497 tp->mac_version == RTL_GIGA_MAC_VER_31) {
3498 rtl8168_driver_stop(tp);
3501 cancel_delayed_work_sync(&tp->task);
3503 unregister_netdev(dev);
3505 rtl_release_firmware(tp);
3507 if (pci_dev_run_wake(pdev))
3508 pm_runtime_get_noresume(&pdev->dev);
3510 /* restore original MAC address */
3511 rtl_rar_set(tp, dev->perm_addr);
3513 rtl_disable_msi(pdev, tp);
3514 rtl8169_release_board(pdev, dev, tp->mmio_addr);
3515 pci_set_drvdata(pdev, NULL);
3518 static void rtl_request_firmware(struct rtl8169_private *tp)
3520 /* Return early if the firmware is already loaded / cached. */
3521 if (IS_ERR(tp->fw)) {
3524 name = rtl_lookup_firmware_name(tp);
3528 rc = request_firmware(&tp->fw, name, &tp->pci_dev->dev);
3532 netif_warn(tp, ifup, tp->dev, "unable to load "
3533 "firmware patch %s (%d)\n", name, rc);
3539 static int rtl8169_open(struct net_device *dev)
3541 struct rtl8169_private *tp = netdev_priv(dev);
3542 void __iomem *ioaddr = tp->mmio_addr;
3543 struct pci_dev *pdev = tp->pci_dev;
3544 int retval = -ENOMEM;
3546 pm_runtime_get_sync(&pdev->dev);
3549 * Rx and Tx desscriptors needs 256 bytes alignment.
3550 * dma_alloc_coherent provides more.
3552 tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
3553 &tp->TxPhyAddr, GFP_KERNEL);
3554 if (!tp->TxDescArray)
3555 goto err_pm_runtime_put;
3557 tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
3558 &tp->RxPhyAddr, GFP_KERNEL);
3559 if (!tp->RxDescArray)
3562 retval = rtl8169_init_ring(dev);
3566 INIT_DELAYED_WORK(&tp->task, NULL);
3570 rtl_request_firmware(tp);
3572 retval = request_irq(dev->irq, rtl8169_interrupt,
3573 (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
3576 goto err_release_fw_2;
3578 napi_enable(&tp->napi);
3580 rtl8169_init_phy(dev, tp);
3582 rtl8169_set_features(dev, dev->features);
3584 rtl_pll_power_up(tp);
3588 tp->saved_wolopts = 0;
3589 pm_runtime_put_noidle(&pdev->dev);
3591 rtl8169_check_link_status(dev, tp, ioaddr);
3596 rtl_release_firmware(tp);
3597 rtl8169_rx_clear(tp);
3599 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
3601 tp->RxDescArray = NULL;
3603 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
3605 tp->TxDescArray = NULL;
3607 pm_runtime_put_noidle(&pdev->dev);
3611 static void rtl8169_hw_reset(struct rtl8169_private *tp)
3613 void __iomem *ioaddr = tp->mmio_addr;
3615 /* Disable interrupts */
3616 rtl8169_irq_mask_and_ack(ioaddr);
3618 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3619 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3620 tp->mac_version == RTL_GIGA_MAC_VER_31) {
3621 while (RTL_R8(TxPoll) & NPQ)
3626 /* Reset the chipset */
3627 RTL_W8(ChipCmd, CmdReset);
3633 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
3635 void __iomem *ioaddr = tp->mmio_addr;
3636 u32 cfg = rtl8169_rx_config;
3638 cfg |= (RTL_R32(RxConfig) & RTL_RX_CONFIG_MASK);
3639 RTL_W32(RxConfig, cfg);
3641 /* Set DMA burst size and Interframe Gap Time */
3642 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
3643 (InterFrameGap << TxInterFrameGapShift));
3646 static void rtl_hw_start(struct net_device *dev)
3648 struct rtl8169_private *tp = netdev_priv(dev);
3654 netif_start_queue(dev);
3657 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
3658 void __iomem *ioaddr)
3661 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
3662 * register to be written before TxDescAddrLow to work.
3663 * Switching from MMIO to I/O access fixes the issue as well.
3665 RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
3666 RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
3667 RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
3668 RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
3671 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
3675 cmd = RTL_R16(CPlusCmd);
3676 RTL_W16(CPlusCmd, cmd);
3680 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
3682 /* Low hurts. Let's disable the filtering. */
3683 RTL_W16(RxMaxSize, rx_buf_sz + 1);
3686 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
3688 static const struct rtl_cfg2_info {
3693 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
3694 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
3695 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
3696 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
3698 const struct rtl_cfg2_info *p = cfg2_info;
3702 clk = RTL_R8(Config2) & PCI_Clock_66MHz;
3703 for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
3704 if ((p->mac_version == mac_version) && (p->clk == clk)) {
3705 RTL_W32(0x7c, p->val);
3711 static void rtl_hw_start_8169(struct net_device *dev)
3713 struct rtl8169_private *tp = netdev_priv(dev);
3714 void __iomem *ioaddr = tp->mmio_addr;
3715 struct pci_dev *pdev = tp->pci_dev;
3717 if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
3718 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
3719 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
3722 RTL_W8(Cfg9346, Cfg9346_Unlock);
3723 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
3724 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
3725 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
3726 tp->mac_version == RTL_GIGA_MAC_VER_04)
3727 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3729 RTL_W8(EarlyTxThres, NoEarlyTx);
3731 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
3733 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
3734 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
3735 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
3736 tp->mac_version == RTL_GIGA_MAC_VER_04)
3737 rtl_set_rx_tx_config_registers(tp);
3739 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
3741 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
3742 tp->mac_version == RTL_GIGA_MAC_VER_03) {
3743 dprintk("Set MAC Reg C+CR Offset 0xE0. "
3744 "Bit-3 and bit-14 MUST be 1\n");
3745 tp->cp_cmd |= (1 << 14);
3748 RTL_W16(CPlusCmd, tp->cp_cmd);
3750 rtl8169_set_magic_reg(ioaddr, tp->mac_version);
3753 * Undocumented corner. Supposedly:
3754 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
3756 RTL_W16(IntrMitigate, 0x0000);
3758 rtl_set_rx_tx_desc_registers(tp, ioaddr);
3760 if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
3761 tp->mac_version != RTL_GIGA_MAC_VER_02 &&
3762 tp->mac_version != RTL_GIGA_MAC_VER_03 &&
3763 tp->mac_version != RTL_GIGA_MAC_VER_04) {
3764 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3765 rtl_set_rx_tx_config_registers(tp);
3768 RTL_W8(Cfg9346, Cfg9346_Lock);
3770 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
3773 RTL_W32(RxMissed, 0);
3775 rtl_set_rx_mode(dev);
3777 /* no early-rx interrupts */
3778 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
3780 /* Enable all known interrupts by setting the interrupt mask. */
3781 RTL_W16(IntrMask, tp->intr_event);
3784 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
3786 struct net_device *dev = pci_get_drvdata(pdev);
3787 struct rtl8169_private *tp = netdev_priv(dev);
3788 int cap = tp->pcie_cap;
3793 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
3794 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
3795 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
3799 static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
3803 csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
3804 rtl_csi_write(ioaddr, 0x070c, csi | bits);
3807 static void rtl_csi_access_enable_1(void __iomem *ioaddr)
3809 rtl_csi_access_enable(ioaddr, 0x17000000);
3812 static void rtl_csi_access_enable_2(void __iomem *ioaddr)
3814 rtl_csi_access_enable(ioaddr, 0x27000000);
3818 unsigned int offset;
3823 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
3828 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
3829 rtl_ephy_write(ioaddr, e->offset, w);
3834 static void rtl_disable_clock_request(struct pci_dev *pdev)
3836 struct net_device *dev = pci_get_drvdata(pdev);
3837 struct rtl8169_private *tp = netdev_priv(dev);
3838 int cap = tp->pcie_cap;
3843 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
3844 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
3845 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
3849 static void rtl_enable_clock_request(struct pci_dev *pdev)
3851 struct net_device *dev = pci_get_drvdata(pdev);
3852 struct rtl8169_private *tp = netdev_priv(dev);
3853 int cap = tp->pcie_cap;
3858 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
3859 ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
3860 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
3864 #define R8168_CPCMD_QUIRK_MASK (\
3875 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
3877 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3879 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3881 rtl_tx_performance_tweak(pdev,
3882 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
3885 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
3887 rtl_hw_start_8168bb(ioaddr, pdev);
3889 RTL_W8(MaxTxPacketSize, TxPacketMax);
3891 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
3894 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
3896 RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
3898 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3900 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3902 rtl_disable_clock_request(pdev);
3904 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3907 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
3909 static const struct ephy_info e_info_8168cp[] = {
3910 { 0x01, 0, 0x0001 },
3911 { 0x02, 0x0800, 0x1000 },
3912 { 0x03, 0, 0x0042 },
3913 { 0x06, 0x0080, 0x0000 },
3917 rtl_csi_access_enable_2(ioaddr);
3919 rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
3921 __rtl_hw_start_8168cp(ioaddr, pdev);
3924 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
3926 rtl_csi_access_enable_2(ioaddr);
3928 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3930 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3932 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3935 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
3937 rtl_csi_access_enable_2(ioaddr);
3939 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3942 RTL_W8(DBG_REG, 0x20);
3944 RTL_W8(MaxTxPacketSize, TxPacketMax);
3946 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3948 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3951 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
3953 static const struct ephy_info e_info_8168c_1[] = {
3954 { 0x02, 0x0800, 0x1000 },
3955 { 0x03, 0, 0x0002 },
3956 { 0x06, 0x0080, 0x0000 }
3959 rtl_csi_access_enable_2(ioaddr);
3961 RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
3963 rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
3965 __rtl_hw_start_8168cp(ioaddr, pdev);
3968 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
3970 static const struct ephy_info e_info_8168c_2[] = {
3971 { 0x01, 0, 0x0001 },
3972 { 0x03, 0x0400, 0x0220 }
3975 rtl_csi_access_enable_2(ioaddr);
3977 rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
3979 __rtl_hw_start_8168cp(ioaddr, pdev);
3982 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
3984 rtl_hw_start_8168c_2(ioaddr, pdev);
3987 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
3989 rtl_csi_access_enable_2(ioaddr);
3991 __rtl_hw_start_8168cp(ioaddr, pdev);
3994 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
3996 rtl_csi_access_enable_2(ioaddr);
3998 rtl_disable_clock_request(pdev);
4000 RTL_W8(MaxTxPacketSize, TxPacketMax);
4002 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4004 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4007 static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
4009 rtl_csi_access_enable_1(ioaddr);
4011 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4013 RTL_W8(MaxTxPacketSize, TxPacketMax);
4015 rtl_disable_clock_request(pdev);
4018 static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
4020 static const struct ephy_info e_info_8168d_4[] = {
4022 { 0x19, 0x20, 0x50 },
4027 rtl_csi_access_enable_1(ioaddr);
4029 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4031 RTL_W8(MaxTxPacketSize, TxPacketMax);
4033 for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
4034 const struct ephy_info *e = e_info_8168d_4 + i;
4037 w = rtl_ephy_read(ioaddr, e->offset);
4038 rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
4041 rtl_enable_clock_request(pdev);
4044 static void rtl_hw_start_8168e(void __iomem *ioaddr, struct pci_dev *pdev)
4046 static const struct ephy_info e_info_8168e[] = {
4047 { 0x00, 0x0200, 0x0100 },
4048 { 0x00, 0x0000, 0x0004 },
4049 { 0x06, 0x0002, 0x0001 },
4050 { 0x06, 0x0000, 0x0030 },
4051 { 0x07, 0x0000, 0x2000 },
4052 { 0x00, 0x0000, 0x0020 },
4053 { 0x03, 0x5800, 0x2000 },
4054 { 0x03, 0x0000, 0x0001 },
4055 { 0x01, 0x0800, 0x1000 },
4056 { 0x07, 0x0000, 0x4000 },
4057 { 0x1e, 0x0000, 0x2000 },
4058 { 0x19, 0xffff, 0xfe6c },
4059 { 0x0a, 0x0000, 0x0040 }
4062 rtl_csi_access_enable_2(ioaddr);
4064 rtl_ephy_init(ioaddr, e_info_8168e, ARRAY_SIZE(e_info_8168e));
4066 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4068 RTL_W8(MaxTxPacketSize, TxPacketMax);
4070 rtl_disable_clock_request(pdev);
4072 /* Reset tx FIFO pointer */
4073 RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
4074 RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
4076 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4079 static void rtl_hw_start_8168(struct net_device *dev)
4081 struct rtl8169_private *tp = netdev_priv(dev);
4082 void __iomem *ioaddr = tp->mmio_addr;
4083 struct pci_dev *pdev = tp->pci_dev;
4085 RTL_W8(Cfg9346, Cfg9346_Unlock);
4087 RTL_W8(MaxTxPacketSize, TxPacketMax);
4089 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4091 tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
4093 RTL_W16(CPlusCmd, tp->cp_cmd);
4095 RTL_W16(IntrMitigate, 0x5151);
4097 /* Work around for RxFIFO overflow. */
4098 if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
4099 tp->mac_version == RTL_GIGA_MAC_VER_22) {
4100 tp->intr_event |= RxFIFOOver | PCSTimeout;
4101 tp->intr_event &= ~RxOverflow;
4104 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4106 rtl_set_rx_mode(dev);
4108 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4109 (InterFrameGap << TxInterFrameGapShift));
4113 switch (tp->mac_version) {
4114 case RTL_GIGA_MAC_VER_11:
4115 rtl_hw_start_8168bb(ioaddr, pdev);
4118 case RTL_GIGA_MAC_VER_12:
4119 case RTL_GIGA_MAC_VER_17:
4120 rtl_hw_start_8168bef(ioaddr, pdev);
4123 case RTL_GIGA_MAC_VER_18:
4124 rtl_hw_start_8168cp_1(ioaddr, pdev);
4127 case RTL_GIGA_MAC_VER_19:
4128 rtl_hw_start_8168c_1(ioaddr, pdev);
4131 case RTL_GIGA_MAC_VER_20:
4132 rtl_hw_start_8168c_2(ioaddr, pdev);
4135 case RTL_GIGA_MAC_VER_21:
4136 rtl_hw_start_8168c_3(ioaddr, pdev);
4139 case RTL_GIGA_MAC_VER_22:
4140 rtl_hw_start_8168c_4(ioaddr, pdev);
4143 case RTL_GIGA_MAC_VER_23:
4144 rtl_hw_start_8168cp_2(ioaddr, pdev);
4147 case RTL_GIGA_MAC_VER_24:
4148 rtl_hw_start_8168cp_3(ioaddr, pdev);
4151 case RTL_GIGA_MAC_VER_25:
4152 case RTL_GIGA_MAC_VER_26:
4153 case RTL_GIGA_MAC_VER_27:
4154 rtl_hw_start_8168d(ioaddr, pdev);
4157 case RTL_GIGA_MAC_VER_28:
4158 rtl_hw_start_8168d_4(ioaddr, pdev);
4161 case RTL_GIGA_MAC_VER_31:
4162 rtl_hw_start_8168dp(ioaddr, pdev);
4165 case RTL_GIGA_MAC_VER_32:
4166 case RTL_GIGA_MAC_VER_33:
4167 rtl_hw_start_8168e(ioaddr, pdev);
4171 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
4172 dev->name, tp->mac_version);
4176 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4178 RTL_W8(Cfg9346, Cfg9346_Lock);
4180 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4182 RTL_W16(IntrMask, tp->intr_event);
4185 #define R810X_CPCMD_QUIRK_MASK (\
4196 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4198 static const struct ephy_info e_info_8102e_1[] = {
4199 { 0x01, 0, 0x6e65 },
4200 { 0x02, 0, 0x091f },
4201 { 0x03, 0, 0xc2f9 },
4202 { 0x06, 0, 0xafb5 },
4203 { 0x07, 0, 0x0e00 },
4204 { 0x19, 0, 0xec80 },
4205 { 0x01, 0, 0x2e65 },
4210 rtl_csi_access_enable_2(ioaddr);
4212 RTL_W8(DBG_REG, FIX_NAK_1);
4214 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4217 LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
4218 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4220 cfg1 = RTL_R8(Config1);
4221 if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
4222 RTL_W8(Config1, cfg1 & ~LEDS0);
4224 rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
4227 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4229 rtl_csi_access_enable_2(ioaddr);
4231 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4233 RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
4234 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4237 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
4239 rtl_hw_start_8102e_2(ioaddr, pdev);
4241 rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
4244 static void rtl_hw_start_8105e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4246 static const struct ephy_info e_info_8105e_1[] = {
4247 { 0x07, 0, 0x4000 },
4248 { 0x19, 0, 0x0200 },
4249 { 0x19, 0, 0x0020 },
4250 { 0x1e, 0, 0x2000 },
4251 { 0x03, 0, 0x0001 },
4252 { 0x19, 0, 0x0100 },
4253 { 0x19, 0, 0x0004 },
4257 /* Force LAN exit from ASPM if Rx/Tx are not idle */
4258 RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
4260 /* Disable Early Tally Counter */
4261 RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
4263 RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
4264 RTL_W8(DLLPR, RTL_R8(DLLPR) | PM_SWITCH);
4266 rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
4269 static void rtl_hw_start_8105e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4271 rtl_hw_start_8105e_1(ioaddr, pdev);
4272 rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
4275 static void rtl_hw_start_8101(struct net_device *dev)
4277 struct rtl8169_private *tp = netdev_priv(dev);
4278 void __iomem *ioaddr = tp->mmio_addr;
4279 struct pci_dev *pdev = tp->pci_dev;
4281 if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
4282 tp->mac_version == RTL_GIGA_MAC_VER_16) {
4283 int cap = tp->pcie_cap;
4286 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
4287 PCI_EXP_DEVCTL_NOSNOOP_EN);
4291 RTL_W8(Cfg9346, Cfg9346_Unlock);
4293 switch (tp->mac_version) {
4294 case RTL_GIGA_MAC_VER_07:
4295 rtl_hw_start_8102e_1(ioaddr, pdev);
4298 case RTL_GIGA_MAC_VER_08:
4299 rtl_hw_start_8102e_3(ioaddr, pdev);
4302 case RTL_GIGA_MAC_VER_09:
4303 rtl_hw_start_8102e_2(ioaddr, pdev);
4306 case RTL_GIGA_MAC_VER_29:
4307 rtl_hw_start_8105e_1(ioaddr, pdev);
4309 case RTL_GIGA_MAC_VER_30:
4310 rtl_hw_start_8105e_2(ioaddr, pdev);
4314 RTL_W8(Cfg9346, Cfg9346_Lock);
4316 RTL_W8(MaxTxPacketSize, TxPacketMax);
4318 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4320 tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
4321 RTL_W16(CPlusCmd, tp->cp_cmd);
4323 RTL_W16(IntrMitigate, 0x0000);
4325 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4327 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4328 rtl_set_rx_tx_config_registers(tp);
4332 rtl_set_rx_mode(dev);
4334 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
4336 RTL_W16(IntrMask, tp->intr_event);
4339 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
4341 if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
4345 netdev_update_features(dev);
4350 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
4352 desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
4353 desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
4356 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
4357 void **data_buff, struct RxDesc *desc)
4359 dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
4364 rtl8169_make_unusable_by_asic(desc);
4367 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
4369 u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
4371 desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
4374 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
4377 desc->addr = cpu_to_le64(mapping);
4379 rtl8169_mark_to_asic(desc, rx_buf_sz);
4382 static inline void *rtl8169_align(void *data)
4384 return (void *)ALIGN((long)data, 16);
4387 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
4388 struct RxDesc *desc)
4392 struct device *d = &tp->pci_dev->dev;
4393 struct net_device *dev = tp->dev;
4394 int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
4396 data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
4400 if (rtl8169_align(data) != data) {
4402 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
4407 mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
4409 if (unlikely(dma_mapping_error(d, mapping))) {
4410 if (net_ratelimit())
4411 netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
4415 rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
4423 static void rtl8169_rx_clear(struct rtl8169_private *tp)
4427 for (i = 0; i < NUM_RX_DESC; i++) {
4428 if (tp->Rx_databuff[i]) {
4429 rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
4430 tp->RxDescArray + i);
4435 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
4437 desc->opts1 |= cpu_to_le32(RingEnd);
4440 static int rtl8169_rx_fill(struct rtl8169_private *tp)
4444 for (i = 0; i < NUM_RX_DESC; i++) {
4447 if (tp->Rx_databuff[i])
4450 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
4452 rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
4455 tp->Rx_databuff[i] = data;
4458 rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
4462 rtl8169_rx_clear(tp);
4466 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
4468 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
4471 static int rtl8169_init_ring(struct net_device *dev)
4473 struct rtl8169_private *tp = netdev_priv(dev);
4475 rtl8169_init_ring_indexes(tp);
4477 memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
4478 memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
4480 return rtl8169_rx_fill(tp);
4483 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
4484 struct TxDesc *desc)
4486 unsigned int len = tx_skb->len;
4488 dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
4496 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
4501 for (i = 0; i < n; i++) {
4502 unsigned int entry = (start + i) % NUM_TX_DESC;
4503 struct ring_info *tx_skb = tp->tx_skb + entry;
4504 unsigned int len = tx_skb->len;
4507 struct sk_buff *skb = tx_skb->skb;
4509 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
4510 tp->TxDescArray + entry);
4512 tp->dev->stats.tx_dropped++;
4520 static void rtl8169_tx_clear(struct rtl8169_private *tp)
4522 rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
4523 tp->cur_tx = tp->dirty_tx = 0;
4526 static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
4528 struct rtl8169_private *tp = netdev_priv(dev);
4530 PREPARE_DELAYED_WORK(&tp->task, task);
4531 schedule_delayed_work(&tp->task, 4);
4534 static void rtl8169_wait_for_quiescence(struct net_device *dev)
4536 struct rtl8169_private *tp = netdev_priv(dev);
4537 void __iomem *ioaddr = tp->mmio_addr;
4539 synchronize_irq(dev->irq);
4541 /* Wait for any pending NAPI task to complete */
4542 napi_disable(&tp->napi);
4544 rtl8169_irq_mask_and_ack(ioaddr);
4546 tp->intr_mask = 0xffff;
4547 RTL_W16(IntrMask, tp->intr_event);
4548 napi_enable(&tp->napi);
4551 static void rtl8169_reinit_task(struct work_struct *work)
4553 struct rtl8169_private *tp =
4554 container_of(work, struct rtl8169_private, task.work);
4555 struct net_device *dev = tp->dev;
4560 if (!netif_running(dev))
4563 rtl8169_wait_for_quiescence(dev);
4566 ret = rtl8169_open(dev);
4567 if (unlikely(ret < 0)) {
4568 if (net_ratelimit())
4569 netif_err(tp, drv, dev,
4570 "reinit failure (status = %d). Rescheduling\n",
4572 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4579 static void rtl8169_reset_task(struct work_struct *work)
4581 struct rtl8169_private *tp =
4582 container_of(work, struct rtl8169_private, task.work);
4583 struct net_device *dev = tp->dev;
4588 if (!netif_running(dev))
4591 rtl8169_wait_for_quiescence(dev);
4593 for (i = 0; i < NUM_RX_DESC; i++)
4594 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
4596 rtl8169_tx_clear(tp);
4598 rtl8169_init_ring_indexes(tp);
4600 netif_wake_queue(dev);
4601 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
4607 static void rtl8169_tx_timeout(struct net_device *dev)
4609 struct rtl8169_private *tp = netdev_priv(dev);
4611 rtl8169_hw_reset(tp);
4613 /* Let's wait a bit while any (async) irq lands on */
4614 rtl8169_schedule_work(dev, rtl8169_reset_task);
4617 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
4620 struct skb_shared_info *info = skb_shinfo(skb);
4621 unsigned int cur_frag, entry;
4622 struct TxDesc * uninitialized_var(txd);
4623 struct device *d = &tp->pci_dev->dev;
4626 for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
4627 skb_frag_t *frag = info->frags + cur_frag;
4632 entry = (entry + 1) % NUM_TX_DESC;
4634 txd = tp->TxDescArray + entry;
4636 addr = ((void *) page_address(frag->page)) + frag->page_offset;
4637 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
4638 if (unlikely(dma_mapping_error(d, mapping))) {
4639 if (net_ratelimit())
4640 netif_err(tp, drv, tp->dev,
4641 "Failed to map TX fragments DMA!\n");
4645 /* Anti gcc 2.95.3 bugware (sic) */
4646 status = opts[0] | len |
4647 (RingEnd * !((entry + 1) % NUM_TX_DESC));
4649 txd->opts1 = cpu_to_le32(status);
4650 txd->opts2 = cpu_to_le32(opts[1]);
4651 txd->addr = cpu_to_le64(mapping);
4653 tp->tx_skb[entry].len = len;
4657 tp->tx_skb[entry].skb = skb;
4658 txd->opts1 |= cpu_to_le32(LastFrag);
4664 rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
4668 static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
4669 struct sk_buff *skb, u32 *opts)
4671 const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
4672 u32 mss = skb_shinfo(skb)->gso_size;
4673 int offset = info->opts_offset;
4677 opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
4678 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
4679 const struct iphdr *ip = ip_hdr(skb);
4681 if (ip->protocol == IPPROTO_TCP)
4682 opts[offset] |= info->checksum.tcp;
4683 else if (ip->protocol == IPPROTO_UDP)
4684 opts[offset] |= info->checksum.udp;
4690 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
4691 struct net_device *dev)
4693 struct rtl8169_private *tp = netdev_priv(dev);
4694 unsigned int entry = tp->cur_tx % NUM_TX_DESC;
4695 struct TxDesc *txd = tp->TxDescArray + entry;
4696 void __iomem *ioaddr = tp->mmio_addr;
4697 struct device *d = &tp->pci_dev->dev;
4703 if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
4704 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
4708 if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
4711 len = skb_headlen(skb);
4712 mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
4713 if (unlikely(dma_mapping_error(d, mapping))) {
4714 if (net_ratelimit())
4715 netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
4719 tp->tx_skb[entry].len = len;
4720 txd->addr = cpu_to_le64(mapping);
4722 opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
4725 rtl8169_tso_csum(tp, skb, opts);
4727 frags = rtl8169_xmit_frags(tp, skb, opts);
4731 opts[0] |= FirstFrag;
4733 opts[0] |= FirstFrag | LastFrag;
4734 tp->tx_skb[entry].skb = skb;
4737 txd->opts2 = cpu_to_le32(opts[1]);
4741 /* Anti gcc 2.95.3 bugware (sic) */
4742 status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
4743 txd->opts1 = cpu_to_le32(status);
4745 tp->cur_tx += frags + 1;
4749 RTL_W8(TxPoll, NPQ);
4751 if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
4752 netif_stop_queue(dev);
4754 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
4755 netif_wake_queue(dev);
4758 return NETDEV_TX_OK;
4761 rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
4764 dev->stats.tx_dropped++;
4765 return NETDEV_TX_OK;
4768 netif_stop_queue(dev);
4769 dev->stats.tx_dropped++;
4770 return NETDEV_TX_BUSY;
4773 static void rtl8169_pcierr_interrupt(struct net_device *dev)
4775 struct rtl8169_private *tp = netdev_priv(dev);
4776 struct pci_dev *pdev = tp->pci_dev;
4777 u16 pci_status, pci_cmd;
4779 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
4780 pci_read_config_word(pdev, PCI_STATUS, &pci_status);
4782 netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
4783 pci_cmd, pci_status);
4786 * The recovery sequence below admits a very elaborated explanation:
4787 * - it seems to work;
4788 * - I did not see what else could be done;
4789 * - it makes iop3xx happy.
4791 * Feel free to adjust to your needs.
4793 if (pdev->broken_parity_status)
4794 pci_cmd &= ~PCI_COMMAND_PARITY;
4796 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
4798 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
4800 pci_write_config_word(pdev, PCI_STATUS,
4801 pci_status & (PCI_STATUS_DETECTED_PARITY |
4802 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
4803 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
4805 /* The infamous DAC f*ckup only happens at boot time */
4806 if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
4807 void __iomem *ioaddr = tp->mmio_addr;
4809 netif_info(tp, intr, dev, "disabling PCI DAC\n");
4810 tp->cp_cmd &= ~PCIDAC;
4811 RTL_W16(CPlusCmd, tp->cp_cmd);
4812 dev->features &= ~NETIF_F_HIGHDMA;
4815 rtl8169_hw_reset(tp);
4817 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4820 static void rtl8169_tx_interrupt(struct net_device *dev,
4821 struct rtl8169_private *tp,
4822 void __iomem *ioaddr)
4824 unsigned int dirty_tx, tx_left;
4826 dirty_tx = tp->dirty_tx;
4828 tx_left = tp->cur_tx - dirty_tx;
4830 while (tx_left > 0) {
4831 unsigned int entry = dirty_tx % NUM_TX_DESC;
4832 struct ring_info *tx_skb = tp->tx_skb + entry;
4836 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
4837 if (status & DescOwn)
4840 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
4841 tp->TxDescArray + entry);
4842 if (status & LastFrag) {
4843 dev->stats.tx_packets++;
4844 dev->stats.tx_bytes += tx_skb->skb->len;
4845 dev_kfree_skb(tx_skb->skb);
4852 if (tp->dirty_tx != dirty_tx) {
4853 tp->dirty_tx = dirty_tx;
4855 if (netif_queue_stopped(dev) &&
4856 (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
4857 netif_wake_queue(dev);
4860 * 8168 hack: TxPoll requests are lost when the Tx packets are
4861 * too close. Let's kick an extra TxPoll request when a burst
4862 * of start_xmit activity is detected (if it is not detected,
4863 * it is slow enough). -- FR
4866 if (tp->cur_tx != dirty_tx)
4867 RTL_W8(TxPoll, NPQ);
4871 static inline int rtl8169_fragmented_frame(u32 status)
4873 return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
4876 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
4878 u32 status = opts1 & RxProtoMask;
4880 if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
4881 ((status == RxProtoUDP) && !(opts1 & UDPFail)))
4882 skb->ip_summed = CHECKSUM_UNNECESSARY;
4884 skb_checksum_none_assert(skb);
4887 static struct sk_buff *rtl8169_try_rx_copy(void *data,
4888 struct rtl8169_private *tp,
4892 struct sk_buff *skb;
4893 struct device *d = &tp->pci_dev->dev;
4895 data = rtl8169_align(data);
4896 dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
4898 skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
4900 memcpy(skb->data, data, pkt_size);
4901 dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
4906 static int rtl8169_rx_interrupt(struct net_device *dev,
4907 struct rtl8169_private *tp,
4908 void __iomem *ioaddr, u32 budget)
4910 unsigned int cur_rx, rx_left;
4913 cur_rx = tp->cur_rx;
4914 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
4915 rx_left = min(rx_left, budget);
4917 for (; rx_left > 0; rx_left--, cur_rx++) {
4918 unsigned int entry = cur_rx % NUM_RX_DESC;
4919 struct RxDesc *desc = tp->RxDescArray + entry;
4923 status = le32_to_cpu(desc->opts1);
4925 if (status & DescOwn)
4927 if (unlikely(status & RxRES)) {
4928 netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
4930 dev->stats.rx_errors++;
4931 if (status & (RxRWT | RxRUNT))
4932 dev->stats.rx_length_errors++;
4934 dev->stats.rx_crc_errors++;
4935 if (status & RxFOVF) {
4936 rtl8169_schedule_work(dev, rtl8169_reset_task);
4937 dev->stats.rx_fifo_errors++;
4939 rtl8169_mark_to_asic(desc, rx_buf_sz);
4941 struct sk_buff *skb;
4942 dma_addr_t addr = le64_to_cpu(desc->addr);
4943 int pkt_size = (status & 0x00001FFF) - 4;
4946 * The driver does not support incoming fragmented
4947 * frames. They are seen as a symptom of over-mtu
4950 if (unlikely(rtl8169_fragmented_frame(status))) {
4951 dev->stats.rx_dropped++;
4952 dev->stats.rx_length_errors++;
4953 rtl8169_mark_to_asic(desc, rx_buf_sz);
4957 skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
4958 tp, pkt_size, addr);
4959 rtl8169_mark_to_asic(desc, rx_buf_sz);
4961 dev->stats.rx_dropped++;
4965 rtl8169_rx_csum(skb, status);
4966 skb_put(skb, pkt_size);
4967 skb->protocol = eth_type_trans(skb, dev);
4969 rtl8169_rx_vlan_tag(desc, skb);
4971 napi_gro_receive(&tp->napi, skb);
4973 dev->stats.rx_bytes += pkt_size;
4974 dev->stats.rx_packets++;
4977 /* Work around for AMD plateform. */
4978 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
4979 (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
4985 count = cur_rx - tp->cur_rx;
4986 tp->cur_rx = cur_rx;
4988 tp->dirty_rx += count;
4993 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
4995 struct net_device *dev = dev_instance;
4996 struct rtl8169_private *tp = netdev_priv(dev);
4997 void __iomem *ioaddr = tp->mmio_addr;
5001 /* loop handling interrupts until we have no new ones or
5002 * we hit a invalid/hotplug case.
5004 status = RTL_R16(IntrStatus);
5005 while (status && status != 0xffff) {
5008 /* Handle all of the error cases first. These will reset
5009 * the chip, so just exit the loop.
5011 if (unlikely(!netif_running(dev))) {
5012 rtl8169_asic_down(ioaddr);
5016 if (unlikely(status & RxFIFOOver)) {
5017 switch (tp->mac_version) {
5018 /* Work around for rx fifo overflow */
5019 case RTL_GIGA_MAC_VER_11:
5020 case RTL_GIGA_MAC_VER_22:
5021 case RTL_GIGA_MAC_VER_26:
5022 netif_stop_queue(dev);
5023 rtl8169_tx_timeout(dev);
5025 /* Testers needed. */
5026 case RTL_GIGA_MAC_VER_17:
5027 case RTL_GIGA_MAC_VER_19:
5028 case RTL_GIGA_MAC_VER_20:
5029 case RTL_GIGA_MAC_VER_21:
5030 case RTL_GIGA_MAC_VER_23:
5031 case RTL_GIGA_MAC_VER_24:
5032 case RTL_GIGA_MAC_VER_27:
5033 case RTL_GIGA_MAC_VER_28:
5034 case RTL_GIGA_MAC_VER_31:
5035 /* Experimental science. Pktgen proof. */
5036 case RTL_GIGA_MAC_VER_12:
5037 case RTL_GIGA_MAC_VER_25:
5038 if (status == RxFIFOOver)
5046 if (unlikely(status & SYSErr)) {
5047 rtl8169_pcierr_interrupt(dev);
5051 if (status & LinkChg)
5052 __rtl8169_check_link_status(dev, tp, ioaddr, true);
5054 /* We need to see the lastest version of tp->intr_mask to
5055 * avoid ignoring an MSI interrupt and having to wait for
5056 * another event which may never come.
5059 if (status & tp->intr_mask & tp->napi_event) {
5060 RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
5061 tp->intr_mask = ~tp->napi_event;
5063 if (likely(napi_schedule_prep(&tp->napi)))
5064 __napi_schedule(&tp->napi);
5066 netif_info(tp, intr, dev,
5067 "interrupt %04x in poll\n", status);
5070 /* We only get a new MSI interrupt when all active irq
5071 * sources on the chip have been acknowledged. So, ack
5072 * everything we've seen and check if new sources have become
5073 * active to avoid blocking all interrupts from the chip.
5076 (status & RxFIFOOver) ? (status | RxOverflow) : status);
5077 status = RTL_R16(IntrStatus);
5080 return IRQ_RETVAL(handled);
5083 static int rtl8169_poll(struct napi_struct *napi, int budget)
5085 struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
5086 struct net_device *dev = tp->dev;
5087 void __iomem *ioaddr = tp->mmio_addr;
5090 work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
5091 rtl8169_tx_interrupt(dev, tp, ioaddr);
5093 if (work_done < budget) {
5094 napi_complete(napi);
5096 /* We need for force the visibility of tp->intr_mask
5097 * for other CPUs, as we can loose an MSI interrupt
5098 * and potentially wait for a retransmit timeout if we don't.
5099 * The posted write to IntrMask is safe, as it will
5100 * eventually make it to the chip and we won't loose anything
5103 tp->intr_mask = 0xffff;
5105 RTL_W16(IntrMask, tp->intr_event);
5111 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
5113 struct rtl8169_private *tp = netdev_priv(dev);
5115 if (tp->mac_version > RTL_GIGA_MAC_VER_06)
5118 dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
5119 RTL_W32(RxMissed, 0);
5122 static void rtl8169_down(struct net_device *dev)
5124 struct rtl8169_private *tp = netdev_priv(dev);
5125 void __iomem *ioaddr = tp->mmio_addr;
5127 del_timer_sync(&tp->timer);
5129 netif_stop_queue(dev);
5131 napi_disable(&tp->napi);
5133 spin_lock_irq(&tp->lock);
5135 rtl8169_asic_down(ioaddr);
5137 * At this point device interrupts can not be enabled in any function,
5138 * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task,
5139 * rtl8169_reinit_task) and napi is disabled (rtl8169_poll).
5141 rtl8169_rx_missed(dev, ioaddr);
5143 spin_unlock_irq(&tp->lock);
5145 synchronize_irq(dev->irq);
5147 /* Give a racing hard_start_xmit a few cycles to complete. */
5148 synchronize_sched(); /* FIXME: should this be synchronize_irq()? */
5150 rtl8169_tx_clear(tp);
5152 rtl8169_rx_clear(tp);
5154 rtl_pll_power_down(tp);
5157 static int rtl8169_close(struct net_device *dev)
5159 struct rtl8169_private *tp = netdev_priv(dev);
5160 struct pci_dev *pdev = tp->pci_dev;
5162 pm_runtime_get_sync(&pdev->dev);
5164 /* Update counters before going down */
5165 rtl8169_update_counters(dev);
5169 free_irq(dev->irq, dev);
5171 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
5173 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
5175 tp->TxDescArray = NULL;
5176 tp->RxDescArray = NULL;
5178 pm_runtime_put_sync(&pdev->dev);
5183 static void rtl_set_rx_mode(struct net_device *dev)
5185 struct rtl8169_private *tp = netdev_priv(dev);
5186 void __iomem *ioaddr = tp->mmio_addr;
5187 unsigned long flags;
5188 u32 mc_filter[2]; /* Multicast hash filter */
5192 if (dev->flags & IFF_PROMISC) {
5193 /* Unconditionally log net taps. */
5194 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
5196 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
5198 mc_filter[1] = mc_filter[0] = 0xffffffff;
5199 } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
5200 (dev->flags & IFF_ALLMULTI)) {
5201 /* Too many to filter perfectly -- accept all multicasts. */
5202 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
5203 mc_filter[1] = mc_filter[0] = 0xffffffff;
5205 struct netdev_hw_addr *ha;
5207 rx_mode = AcceptBroadcast | AcceptMyPhys;
5208 mc_filter[1] = mc_filter[0] = 0;
5209 netdev_for_each_mc_addr(ha, dev) {
5210 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
5211 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
5212 rx_mode |= AcceptMulticast;
5216 spin_lock_irqsave(&tp->lock, flags);
5218 tmp = rtl8169_rx_config | rx_mode |
5219 (RTL_R32(RxConfig) & RTL_RX_CONFIG_MASK);
5221 if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
5222 u32 data = mc_filter[0];
5224 mc_filter[0] = swab32(mc_filter[1]);
5225 mc_filter[1] = swab32(data);
5228 RTL_W32(MAR0 + 4, mc_filter[1]);
5229 RTL_W32(MAR0 + 0, mc_filter[0]);
5231 RTL_W32(RxConfig, tmp);
5233 spin_unlock_irqrestore(&tp->lock, flags);
5237 * rtl8169_get_stats - Get rtl8169 read/write statistics
5238 * @dev: The Ethernet Device to get statistics for
5240 * Get TX/RX statistics for rtl8169
5242 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
5244 struct rtl8169_private *tp = netdev_priv(dev);
5245 void __iomem *ioaddr = tp->mmio_addr;
5246 unsigned long flags;
5248 if (netif_running(dev)) {
5249 spin_lock_irqsave(&tp->lock, flags);
5250 rtl8169_rx_missed(dev, ioaddr);
5251 spin_unlock_irqrestore(&tp->lock, flags);
5257 static void rtl8169_net_suspend(struct net_device *dev)
5259 struct rtl8169_private *tp = netdev_priv(dev);
5261 if (!netif_running(dev))
5264 rtl_pll_power_down(tp);
5266 netif_device_detach(dev);
5267 netif_stop_queue(dev);
5272 static int rtl8169_suspend(struct device *device)
5274 struct pci_dev *pdev = to_pci_dev(device);
5275 struct net_device *dev = pci_get_drvdata(pdev);
5277 rtl8169_net_suspend(dev);
5282 static void __rtl8169_resume(struct net_device *dev)
5284 struct rtl8169_private *tp = netdev_priv(dev);
5286 netif_device_attach(dev);
5288 rtl_pll_power_up(tp);
5290 rtl8169_schedule_work(dev, rtl8169_reset_task);
5293 static int rtl8169_resume(struct device *device)
5295 struct pci_dev *pdev = to_pci_dev(device);
5296 struct net_device *dev = pci_get_drvdata(pdev);
5297 struct rtl8169_private *tp = netdev_priv(dev);
5299 rtl8169_init_phy(dev, tp);
5301 if (netif_running(dev))
5302 __rtl8169_resume(dev);
5307 static int rtl8169_runtime_suspend(struct device *device)
5309 struct pci_dev *pdev = to_pci_dev(device);
5310 struct net_device *dev = pci_get_drvdata(pdev);
5311 struct rtl8169_private *tp = netdev_priv(dev);
5313 if (!tp->TxDescArray)
5316 spin_lock_irq(&tp->lock);
5317 tp->saved_wolopts = __rtl8169_get_wol(tp);
5318 __rtl8169_set_wol(tp, WAKE_ANY);
5319 spin_unlock_irq(&tp->lock);
5321 rtl8169_net_suspend(dev);
5326 static int rtl8169_runtime_resume(struct device *device)
5328 struct pci_dev *pdev = to_pci_dev(device);
5329 struct net_device *dev = pci_get_drvdata(pdev);
5330 struct rtl8169_private *tp = netdev_priv(dev);
5332 if (!tp->TxDescArray)
5335 spin_lock_irq(&tp->lock);
5336 __rtl8169_set_wol(tp, tp->saved_wolopts);
5337 tp->saved_wolopts = 0;
5338 spin_unlock_irq(&tp->lock);
5340 rtl8169_init_phy(dev, tp);
5342 __rtl8169_resume(dev);
5347 static int rtl8169_runtime_idle(struct device *device)
5349 struct pci_dev *pdev = to_pci_dev(device);
5350 struct net_device *dev = pci_get_drvdata(pdev);
5351 struct rtl8169_private *tp = netdev_priv(dev);
5353 return tp->TxDescArray ? -EBUSY : 0;
5356 static const struct dev_pm_ops rtl8169_pm_ops = {
5357 .suspend = rtl8169_suspend,
5358 .resume = rtl8169_resume,
5359 .freeze = rtl8169_suspend,
5360 .thaw = rtl8169_resume,
5361 .poweroff = rtl8169_suspend,
5362 .restore = rtl8169_resume,
5363 .runtime_suspend = rtl8169_runtime_suspend,
5364 .runtime_resume = rtl8169_runtime_resume,
5365 .runtime_idle = rtl8169_runtime_idle,
5368 #define RTL8169_PM_OPS (&rtl8169_pm_ops)
5370 #else /* !CONFIG_PM */
5372 #define RTL8169_PM_OPS NULL
5374 #endif /* !CONFIG_PM */
5376 static void rtl_shutdown(struct pci_dev *pdev)
5378 struct net_device *dev = pci_get_drvdata(pdev);
5379 struct rtl8169_private *tp = netdev_priv(dev);
5380 void __iomem *ioaddr = tp->mmio_addr;
5382 rtl8169_net_suspend(dev);
5384 /* Restore original MAC address */
5385 rtl_rar_set(tp, dev->perm_addr);
5387 spin_lock_irq(&tp->lock);
5389 rtl8169_asic_down(ioaddr);
5391 spin_unlock_irq(&tp->lock);
5393 if (system_state == SYSTEM_POWER_OFF) {
5394 /* WoL fails with 8168b when the receiver is disabled. */
5395 if ((tp->mac_version == RTL_GIGA_MAC_VER_11 ||
5396 tp->mac_version == RTL_GIGA_MAC_VER_12 ||
5397 tp->mac_version == RTL_GIGA_MAC_VER_17) &&
5398 (tp->features & RTL_FEATURE_WOL)) {
5399 pci_clear_master(pdev);
5401 RTL_W8(ChipCmd, CmdRxEnb);
5406 pci_wake_from_d3(pdev, true);
5407 pci_set_power_state(pdev, PCI_D3hot);
5411 static struct pci_driver rtl8169_pci_driver = {
5413 .id_table = rtl8169_pci_tbl,
5414 .probe = rtl8169_init_one,
5415 .remove = __devexit_p(rtl8169_remove_one),
5416 .shutdown = rtl_shutdown,
5417 .driver.pm = RTL8169_PM_OPS,
5420 static int __init rtl8169_init_module(void)
5422 return pci_register_driver(&rtl8169_pci_driver);
5425 static void __exit rtl8169_cleanup_module(void)
5427 pci_unregister_driver(&rtl8169_pci_driver);
5430 module_init(rtl8169_init_module);
5431 module_exit(rtl8169_cleanup_module);