r8169.c 128.4 KB
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/*
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 * r8169.c: RealTek 8169/8168/8101 ethernet driver.
 *
 * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
 * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
 * Copyright (c) a lot of people too. Please respect their work.
 *
 * See MAINTAINERS file for support contact information.
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 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/delay.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/if_vlan.h>
#include <linux/crc32.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/dma-mapping.h>
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#include <linux/pm_runtime.h>
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#include <linux/firmware.h>
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#include <linux/pci-aspm.h>
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#include <linux/prefetch.h>
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#include <asm/system.h>
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#include <asm/io.h>
#include <asm/irq.h>

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#define RTL8169_VERSION "2.3LK-NAPI"
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#define MODULENAME "r8169"
#define PFX MODULENAME ": "

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#define FIRMWARE_8168D_1	"rtl_nic/rtl8168d-1.fw"
#define FIRMWARE_8168D_2	"rtl_nic/rtl8168d-2.fw"
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#define FIRMWARE_8168E_1	"rtl_nic/rtl8168e-1.fw"
#define FIRMWARE_8168E_2	"rtl_nic/rtl8168e-2.fw"
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#define FIRMWARE_8105E_1	"rtl_nic/rtl8105e-1.fw"
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#ifdef RTL8169_DEBUG
#define assert(expr) \
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	if (!(expr)) {					\
		printk( "Assertion failed! %s,%s,%s,line=%d\n",	\
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		#expr,__FILE__,__func__,__LINE__);		\
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	}
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#define dprintk(fmt, args...) \
	do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
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#else
#define assert(expr) do {} while (0)
#define dprintk(fmt, args...)	do {} while (0)
#endif /* RTL8169_DEBUG */

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#define R8169_MSG_DEFAULT \
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	(NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
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#define TX_BUFFS_AVAIL(tp) \
	(tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)

/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
   The RTL chips use a 64 element hash table based on the Ethernet CRC. */
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static const int multicast_filter_limit = 32;
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/* MAC address length */
#define MAC_ADDR_LEN	6

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#define MAX_READ_REQUEST_SHIFT	12
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#define RX_FIFO_THRESH	7	/* 7 means NO threshold, Rx buffer level before first PCI xfer. */
#define RX_DMA_BURST	6	/* Maximum PCI burst, '6' is 1024 */
#define TX_DMA_BURST	6	/* Maximum PCI burst, '6' is 1024 */
#define SafeMtu		0x1c20	/* ... actually life sucks beyond ~7k */
#define InterFrameGap	0x03	/* 3 means InterFrameGap = the shortest one */

#define R8169_REGS_SIZE		256
#define R8169_NAPI_WEIGHT	64
#define NUM_TX_DESC	64	/* Number of Tx descriptor registers */
#define NUM_RX_DESC	256	/* Number of Rx descriptor registers */
#define RX_BUF_SIZE	1536	/* Rx Buffer size */
#define R8169_TX_RING_BYTES	(NUM_TX_DESC * sizeof(struct TxDesc))
#define R8169_RX_RING_BYTES	(NUM_RX_DESC * sizeof(struct RxDesc))

#define RTL8169_TX_TIMEOUT	(6*HZ)
#define RTL8169_PHY_TIMEOUT	(10*HZ)

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#define RTL_EEPROM_SIG		cpu_to_le32(0x8129)
#define RTL_EEPROM_SIG_MASK	cpu_to_le32(0xffff)
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#define RTL_EEPROM_SIG_ADDR	0x0000

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/* write/read MMIO register */
#define RTL_W8(reg, val8)	writeb ((val8), ioaddr + (reg))
#define RTL_W16(reg, val16)	writew ((val16), ioaddr + (reg))
#define RTL_W32(reg, val32)	writel ((val32), ioaddr + (reg))
#define RTL_R8(reg)		readb (ioaddr + (reg))
#define RTL_R16(reg)		readw (ioaddr + (reg))
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#define RTL_R32(reg)		readl (ioaddr + (reg))
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enum mac_version {
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	RTL_GIGA_MAC_VER_01 = 0,
	RTL_GIGA_MAC_VER_02,
	RTL_GIGA_MAC_VER_03,
	RTL_GIGA_MAC_VER_04,
	RTL_GIGA_MAC_VER_05,
	RTL_GIGA_MAC_VER_06,
	RTL_GIGA_MAC_VER_07,
	RTL_GIGA_MAC_VER_08,
	RTL_GIGA_MAC_VER_09,
	RTL_GIGA_MAC_VER_10,
	RTL_GIGA_MAC_VER_11,
	RTL_GIGA_MAC_VER_12,
	RTL_GIGA_MAC_VER_13,
	RTL_GIGA_MAC_VER_14,
	RTL_GIGA_MAC_VER_15,
	RTL_GIGA_MAC_VER_16,
	RTL_GIGA_MAC_VER_17,
	RTL_GIGA_MAC_VER_18,
	RTL_GIGA_MAC_VER_19,
	RTL_GIGA_MAC_VER_20,
	RTL_GIGA_MAC_VER_21,
	RTL_GIGA_MAC_VER_22,
	RTL_GIGA_MAC_VER_23,
	RTL_GIGA_MAC_VER_24,
	RTL_GIGA_MAC_VER_25,
	RTL_GIGA_MAC_VER_26,
	RTL_GIGA_MAC_VER_27,
	RTL_GIGA_MAC_VER_28,
	RTL_GIGA_MAC_VER_29,
	RTL_GIGA_MAC_VER_30,
	RTL_GIGA_MAC_VER_31,
	RTL_GIGA_MAC_VER_32,
	RTL_GIGA_MAC_VER_33,
	RTL_GIGA_MAC_NONE   = 0xff,
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};

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enum rtl_tx_desc_version {
	RTL_TD_0	= 0,
	RTL_TD_1	= 1,
};

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#define _R(NAME,TD,FW) \
	{ .name = NAME, .txd_version = TD, .fw_name = FW }
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static const struct {
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	const char *name;
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	enum rtl_tx_desc_version txd_version;
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	const char *fw_name;
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} rtl_chip_infos[] = {
	/* PCI devices. */
	[RTL_GIGA_MAC_VER_01] =
		_R("RTL8169",		RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_02] =
		_R("RTL8169s",		RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_03] =
		_R("RTL8110s",		RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_04] =
		_R("RTL8169sb/8110sb",	RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_05] =
		_R("RTL8169sc/8110sc",	RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_06] =
		_R("RTL8169sc/8110sc",	RTL_TD_0, NULL),
	/* PCI-E devices. */
	[RTL_GIGA_MAC_VER_07] =
		_R("RTL8102e",		RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_08] =
		_R("RTL8102e",		RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_09] =
		_R("RTL8102e",		RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_10] =
		_R("RTL8101e",		RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_11] =
		_R("RTL8168b/8111b",	RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_12] =
		_R("RTL8168b/8111b",	RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_13] =
		_R("RTL8101e",		RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_14] =
		_R("RTL8100e",		RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_15] =
		_R("RTL8100e",		RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_16] =
		_R("RTL8101e",		RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_17] =
		_R("RTL8168b/8111b",	RTL_TD_0, NULL),
	[RTL_GIGA_MAC_VER_18] =
		_R("RTL8168cp/8111cp",	RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_19] =
		_R("RTL8168c/8111c",	RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_20] =
		_R("RTL8168c/8111c",	RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_21] =
		_R("RTL8168c/8111c",	RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_22] =
		_R("RTL8168c/8111c",	RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_23] =
		_R("RTL8168cp/8111cp",	RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_24] =
		_R("RTL8168cp/8111cp",	RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_25] =
		_R("RTL8168d/8111d",	RTL_TD_1, FIRMWARE_8168D_1),
	[RTL_GIGA_MAC_VER_26] =
		_R("RTL8168d/8111d",	RTL_TD_1, FIRMWARE_8168D_2),
	[RTL_GIGA_MAC_VER_27] =
		_R("RTL8168dp/8111dp",	RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_28] =
		_R("RTL8168dp/8111dp",	RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_29] =
		_R("RTL8105e",		RTL_TD_1, FIRMWARE_8105E_1),
	[RTL_GIGA_MAC_VER_30] =
		_R("RTL8105e",		RTL_TD_1, FIRMWARE_8105E_1),
	[RTL_GIGA_MAC_VER_31] =
		_R("RTL8168dp/8111dp",	RTL_TD_1, NULL),
	[RTL_GIGA_MAC_VER_32] =
		_R("RTL8168e/8111e",	RTL_TD_1, FIRMWARE_8168E_1),
	[RTL_GIGA_MAC_VER_33] =
		_R("RTL8168e/8111e",	RTL_TD_1, FIRMWARE_8168E_2)
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};
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#undef _R
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enum cfg_version {
	RTL_CFG_0 = 0x00,
	RTL_CFG_1,
	RTL_CFG_2
};

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static void rtl_hw_start_8169(struct net_device *);
static void rtl_hw_start_8168(struct net_device *);
static void rtl_hw_start_8101(struct net_device *);

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static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
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	{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK,	0x8129), 0, 0, RTL_CFG_0 },
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	{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK,	0x8136), 0, 0, RTL_CFG_2 },
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	{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK,	0x8167), 0, 0, RTL_CFG_0 },
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	{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK,	0x8168), 0, 0, RTL_CFG_1 },
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	{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK,	0x8169), 0, 0, RTL_CFG_0 },
	{ PCI_DEVICE(PCI_VENDOR_ID_DLINK,	0x4300), 0, 0, RTL_CFG_0 },
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	{ PCI_DEVICE(PCI_VENDOR_ID_AT,		0xc107), 0, 0, RTL_CFG_0 },
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	{ PCI_DEVICE(0x16ec,			0x0116), 0, 0, RTL_CFG_0 },
	{ PCI_VENDOR_ID_LINKSYS,		0x1032,
		PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
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	{ 0x0001,				0x8168,
		PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
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	{0,},
};

MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);

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static int rx_buf_sz = 16383;
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static int use_dac;
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static struct {
	u32 msg_enable;
} debug = { -1 };
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enum rtl_registers {
	MAC0		= 0,	/* Ethernet hardware address. */
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	MAC4		= 4,
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	MAR0		= 8,	/* Multicast filter. */
	CounterAddrLow		= 0x10,
	CounterAddrHigh		= 0x14,
	TxDescStartAddrLow	= 0x20,
	TxDescStartAddrHigh	= 0x24,
	TxHDescStartAddrLow	= 0x28,
	TxHDescStartAddrHigh	= 0x2c,
	FLASH		= 0x30,
	ERSR		= 0x36,
	ChipCmd		= 0x37,
	TxPoll		= 0x38,
	IntrMask	= 0x3c,
	IntrStatus	= 0x3e,
	TxConfig	= 0x40,
	RxConfig	= 0x44,
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#define RTL_RX_CONFIG_MASK		0xff7e1880u

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	RxMissed	= 0x4c,
	Cfg9346		= 0x50,
	Config0		= 0x51,
	Config1		= 0x52,
	Config2		= 0x53,
	Config3		= 0x54,
	Config4		= 0x55,
	Config5		= 0x56,
	MultiIntr	= 0x5c,
	PHYAR		= 0x60,
	PHYstatus	= 0x6c,
	RxMaxSize	= 0xda,
	CPlusCmd	= 0xe0,
	IntrMitigate	= 0xe2,
	RxDescAddrLow	= 0xe4,
	RxDescAddrHigh	= 0xe8,
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	EarlyTxThres	= 0xec,	/* 8169. Unit of 32 bytes. */

#define NoEarlyTx	0x3f	/* Max value : no early transmit. */

	MaxTxPacketSize	= 0xec,	/* 8101/8168. Unit of 128 bytes. */

#define TxPacketMax	(8064 >> 7)

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	FuncEvent	= 0xf0,
	FuncEventMask	= 0xf4,
	FuncPresetState	= 0xf8,
	FuncForceEvent	= 0xfc,
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};

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enum rtl8110_registers {
	TBICSR			= 0x64,
	TBI_ANAR		= 0x68,
	TBI_LPAR		= 0x6a,
};

enum rtl8168_8101_registers {
	CSIDR			= 0x64,
	CSIAR			= 0x68,
#define	CSIAR_FLAG			0x80000000
#define	CSIAR_WRITE_CMD			0x80000000
#define	CSIAR_BYTE_ENABLE		0x0f
#define	CSIAR_BYTE_ENABLE_SHIFT		12
#define	CSIAR_ADDR_MASK			0x0fff
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	PMCH			= 0x6f,
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	EPHYAR			= 0x80,
#define	EPHYAR_FLAG			0x80000000
#define	EPHYAR_WRITE_CMD		0x80000000
#define	EPHYAR_REG_MASK			0x1f
#define	EPHYAR_REG_SHIFT		16
#define	EPHYAR_DATA_MASK		0xffff
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	DLLPR			= 0xd0,
#define	PM_SWITCH			(1 << 6)
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	DBG_REG			= 0xd1,
#define	FIX_NAK_1			(1 << 4)
#define	FIX_NAK_2			(1 << 3)
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	TWSI			= 0xd2,
	MCU			= 0xd3,
#define	EN_NDP				(1 << 3)
#define	EN_OOB_RESET			(1 << 2)
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	EFUSEAR			= 0xdc,
#define	EFUSEAR_FLAG			0x80000000
#define	EFUSEAR_WRITE_CMD		0x80000000
#define	EFUSEAR_READ_CMD		0x00000000
#define	EFUSEAR_REG_MASK		0x03ff
#define	EFUSEAR_REG_SHIFT		8
#define	EFUSEAR_DATA_MASK		0xff
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};

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enum rtl8168_registers {
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	ERIDR			= 0x70,
	ERIAR			= 0x74,
#define ERIAR_FLAG			0x80000000
#define ERIAR_WRITE_CMD			0x80000000
#define ERIAR_READ_CMD			0x00000000
#define ERIAR_ADDR_BYTE_ALIGN		4
#define ERIAR_EXGMAC			0
#define ERIAR_MSIX			1
#define ERIAR_ASF			2
#define ERIAR_TYPE_SHIFT		16
#define ERIAR_BYTEEN			0x0f
#define ERIAR_BYTEEN_SHIFT		12
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	EPHY_RXER_NUM		= 0x7c,
	OCPDR			= 0xb0,	/* OCP GPHY access */
#define OCPDR_WRITE_CMD			0x80000000
#define OCPDR_READ_CMD			0x00000000
#define OCPDR_REG_MASK			0x7f
#define OCPDR_GPHY_REG_SHIFT		16
#define OCPDR_DATA_MASK			0xffff
	OCPAR			= 0xb4,
#define OCPAR_FLAG			0x80000000
#define OCPAR_GPHY_WRITE_CMD		0x8000f060
#define OCPAR_GPHY_READ_CMD		0x0000f060
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	RDSAR1			= 0xd0,	/* 8168c only. Undocumented on 8168dp */
	MISC			= 0xf0,	/* 8168e only. */
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#define TXPLA_RST			(1 << 29)
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};

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enum rtl_register_content {
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	/* InterruptStatusBits */
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	SYSErr		= 0x8000,
	PCSTimeout	= 0x4000,
	SWInt		= 0x0100,
	TxDescUnavail	= 0x0080,
	RxFIFOOver	= 0x0040,
	LinkChg		= 0x0020,
	RxOverflow	= 0x0010,
	TxErr		= 0x0008,
	TxOK		= 0x0004,
	RxErr		= 0x0002,
	RxOK		= 0x0001,
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	/* RxStatusDesc */
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	RxFOVF	= (1 << 23),
	RxRWT	= (1 << 22),
	RxRES	= (1 << 21),
	RxRUNT	= (1 << 20),
	RxCRC	= (1 << 19),
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	/* ChipCmdBits */
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	CmdReset	= 0x10,
	CmdRxEnb	= 0x08,
	CmdTxEnb	= 0x04,
	RxBufEmpty	= 0x01,
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	/* TXPoll register p.5 */
	HPQ		= 0x80,		/* Poll cmd on the high prio queue */
	NPQ		= 0x40,		/* Poll cmd on the low prio queue */
	FSWInt		= 0x01,		/* Forced software interrupt */

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	/* Cfg9346Bits */
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	Cfg9346_Lock	= 0x00,
	Cfg9346_Unlock	= 0xc0,
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	/* rx_mode_bits */
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	AcceptErr	= 0x20,
	AcceptRunt	= 0x10,
	AcceptBroadcast	= 0x08,
	AcceptMulticast	= 0x04,
	AcceptMyPhys	= 0x02,
	AcceptAllPhys	= 0x01,
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	/* RxConfigBits */
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	RxCfgFIFOShift	= 13,
	RxCfgDMAShift	=  8,
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	/* TxConfigBits */
	TxInterFrameGapShift = 24,
	TxDMAShift = 8,	/* DMA burst value (0-7) is shift this many bits */

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	/* Config1 register p.24 */
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	LEDS1		= (1 << 7),
	LEDS0		= (1 << 6),
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	MSIEnable	= (1 << 5),	/* Enable Message Signaled Interrupt */
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	Speed_down	= (1 << 4),
	MEMMAP		= (1 << 3),
	IOMAP		= (1 << 2),
	VPD		= (1 << 1),
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	PMEnable	= (1 << 0),	/* Power Management Enable */

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	/* Config2 register p. 25 */
	PCI_Clock_66MHz = 0x01,
	PCI_Clock_33MHz = 0x00,

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	/* Config3 register p.25 */
	MagicPacket	= (1 << 5),	/* Wake up when receives a Magic Packet */
	LinkUp		= (1 << 4),	/* Wake up when the cable connection is re-established */
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	Beacon_en	= (1 << 0),	/* 8168 only. Reserved in the 8168b */
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	/* Config5 register p.27 */
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	BWF		= (1 << 6),	/* Accept Broadcast wakeup frame */
	MWF		= (1 << 5),	/* Accept Multicast wakeup frame */
	UWF		= (1 << 4),	/* Accept Unicast wakeup frame */
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	Spi_en		= (1 << 3),
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	LanWake		= (1 << 1),	/* LanWake enable/disable */
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	PMEStatus	= (1 << 0),	/* PME status can be reset by PCI RST# */

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	/* TBICSR p.28 */
	TBIReset	= 0x80000000,
	TBILoopback	= 0x40000000,
	TBINwEnable	= 0x20000000,
	TBINwRestart	= 0x10000000,
	TBILinkOk	= 0x02000000,
	TBINwComplete	= 0x01000000,

	/* CPlusCmd p.31 */
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	EnableBist	= (1 << 15),	// 8168 8101
	Mac_dbgo_oe	= (1 << 14),	// 8168 8101
	Normal_mode	= (1 << 13),	// unused
	Force_half_dup	= (1 << 12),	// 8168 8101
	Force_rxflow_en	= (1 << 11),	// 8168 8101
	Force_txflow_en	= (1 << 10),	// 8168 8101
	Cxpl_dbg_sel	= (1 << 9),	// 8168 8101
	ASF		= (1 << 8),	// 8168 8101
	PktCntrDisable	= (1 << 7),	// 8168 8101
	Mac_dbgo_sel	= 0x001c,	// 8168
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	RxVlan		= (1 << 6),
	RxChkSum	= (1 << 5),
	PCIDAC		= (1 << 4),
	PCIMulRW	= (1 << 3),
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	INTT_0		= 0x0000,	// 8168
	INTT_1		= 0x0001,	// 8168
	INTT_2		= 0x0002,	// 8168
	INTT_3		= 0x0003,	// 8168
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	/* rtl8169_PHYstatus */
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	TBI_Enable	= 0x80,
	TxFlowCtrl	= 0x40,
	RxFlowCtrl	= 0x20,
	_1000bpsF	= 0x10,
	_100bps		= 0x08,
	_10bps		= 0x04,
	LinkStatus	= 0x02,
	FullDup		= 0x01,
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	/* _TBICSRBit */
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	TBILinkOK	= 0x02000000,
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	/* DumpCounterCommand */
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	CounterDump	= 0x8,
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};

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enum rtl_desc_bit {
	/* First doubleword. */
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	DescOwn		= (1 << 31), /* Descriptor is owned by NIC */
	RingEnd		= (1 << 30), /* End of descriptor ring */
	FirstFrag	= (1 << 29), /* First segment of a packet */
	LastFrag	= (1 << 28), /* Final segment of a packet */
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};

/* Generic case. */
enum rtl_tx_desc_bit {
	/* First doubleword. */
	TD_LSO		= (1 << 27),		/* Large Send Offload */
#define TD_MSS_MAX			0x07ffu	/* MSS value */
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	/* Second doubleword. */
	TxVlanTag	= (1 << 17),		/* Add VLAN tag */
};

/* 8169, 8168b and 810x except 8102e. */
enum rtl_tx_desc_bit_0 {
	/* First doubleword. */
#define TD0_MSS_SHIFT			16	/* MSS position (11 bits) */
	TD0_TCP_CS	= (1 << 16),		/* Calculate TCP/IP checksum */
	TD0_UDP_CS	= (1 << 17),		/* Calculate UDP/IP checksum */
	TD0_IP_CS	= (1 << 18),		/* Calculate IP checksum */
};

/* 8102e, 8168c and beyond. */
enum rtl_tx_desc_bit_1 {
	/* Second doubleword. */
#define TD1_MSS_SHIFT			18	/* MSS position (11 bits) */
	TD1_IP_CS	= (1 << 29),		/* Calculate IP checksum */
	TD1_TCP_CS	= (1 << 30),		/* Calculate TCP/IP checksum */
	TD1_UDP_CS	= (1 << 31),		/* Calculate UDP/IP checksum */
};
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static const struct rtl_tx_desc_info {
	struct {
		u32 udp;
		u32 tcp;
	} checksum;
	u16 mss_shift;
	u16 opts_offset;
} tx_desc_info [] = {
	[RTL_TD_0] = {
		.checksum = {
			.udp	= TD0_IP_CS | TD0_UDP_CS,
			.tcp	= TD0_IP_CS | TD0_TCP_CS
		},
		.mss_shift	= TD0_MSS_SHIFT,
		.opts_offset	= 0
	},
	[RTL_TD_1] = {
		.checksum = {
			.udp	= TD1_IP_CS | TD1_UDP_CS,
			.tcp	= TD1_IP_CS | TD1_TCP_CS
		},
		.mss_shift	= TD1_MSS_SHIFT,
		.opts_offset	= 1
	}
};

enum rtl_rx_desc_bit {
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	/* Rx private */
	PID1		= (1 << 18), /* Protocol ID bit 1/2 */
	PID0		= (1 << 17), /* Protocol ID bit 2/2 */

#define RxProtoUDP	(PID1)
#define RxProtoTCP	(PID0)
#define RxProtoIP	(PID1 | PID0)
#define RxProtoMask	RxProtoIP

	IPFail		= (1 << 16), /* IP checksum failed */
	UDPFail		= (1 << 15), /* UDP/IP checksum failed */
	TCPFail		= (1 << 14), /* TCP/IP checksum failed */
	RxVlanTag	= (1 << 16), /* VLAN tag available */
};

#define RsvdMask	0x3fffc000

struct TxDesc {
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	__le32 opts1;
	__le32 opts2;
	__le64 addr;
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};

struct RxDesc {
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	__le32 opts1;
	__le32 opts2;
	__le64 addr;
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};

struct ring_info {
	struct sk_buff	*skb;
	u32		len;
	u8		__pad[sizeof(void *) - sizeof(u32)];
};

598
enum features {
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	RTL_FEATURE_WOL		= (1 << 0),
	RTL_FEATURE_MSI		= (1 << 1),
	RTL_FEATURE_GMII	= (1 << 2),
602 603
};

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struct rtl8169_counters {
	__le64	tx_packets;
	__le64	rx_packets;
	__le64	tx_errors;
	__le32	rx_errors;
	__le16	rx_missed;
	__le16	align_errors;
	__le32	tx_one_collision;
	__le32	tx_multi_collision;
	__le64	rx_unicast;
	__le64	rx_broadcast;
	__le32	rx_multicast;
	__le16	tx_aborted;
	__le16	tx_underun;
};

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struct rtl8169_private {
	void __iomem *mmio_addr;	/* memory map physical address */
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	struct pci_dev *pci_dev;
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	struct net_device *dev;
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	struct napi_struct napi;
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	spinlock_t lock;
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	u32 msg_enable;
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	u16 txd_version;
	u16 mac_version;
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	u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
	u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
	u32 dirty_rx;
	u32 dirty_tx;
	struct TxDesc *TxDescArray;	/* 256-aligned Tx descriptor ring */
	struct RxDesc *RxDescArray;	/* 256-aligned Rx descriptor ring */
	dma_addr_t TxPhyAddr;
	dma_addr_t RxPhyAddr;
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	void *Rx_databuff[NUM_RX_DESC];	/* Rx data buffers */
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	struct ring_info tx_skb[NUM_TX_DESC];	/* Tx data buffers */
	struct timer_list timer;
	u16 cp_cmd;
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	u16 intr_event;
	u16 napi_event;
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	u16 intr_mask;
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	struct mdio_ops {
		void (*write)(void __iomem *, int, int);
		int (*read)(void __iomem *, int);
	} mdio_ops;

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	struct pll_power_ops {
		void (*down)(struct rtl8169_private *);
		void (*up)(struct rtl8169_private *);
	} pll_power_ops;

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);
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	unsigned int (*link_ok)(void __iomem *);
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	int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
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	int pcie_cap;
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	struct delayed_work task;
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	unsigned features;
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	struct mii_if_info mii;
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	struct rtl8169_counters counters;
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	u32 saved_wolopts;
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	struct rtl_fw {
		const struct firmware *fw;
	} *rtl_fw;
673
#define RTL_FIRMWARE_UNKNOWN	ERR_PTR(-EAGAIN);
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};

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MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
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MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
module_param(use_dac, int, 0);
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MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
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module_param_named(debug, debug.msg_enable, int, 0);
MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
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MODULE_LICENSE("GPL");
MODULE_VERSION(RTL8169_VERSION);
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MODULE_FIRMWARE(FIRMWARE_8168D_1);
MODULE_FIRMWARE(FIRMWARE_8168D_2);
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MODULE_FIRMWARE(FIRMWARE_8168E_1);
MODULE_FIRMWARE(FIRMWARE_8168E_2);
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MODULE_FIRMWARE(FIRMWARE_8105E_1);
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static int rtl8169_open(struct net_device *dev);
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static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
				      struct net_device *dev);
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static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
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static int rtl8169_init_ring(struct net_device *dev);
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static void rtl_hw_start(struct net_device *dev);
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static int rtl8169_close(struct net_device *dev);
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static void rtl_set_rx_mode(struct net_device *dev);
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static void rtl8169_tx_timeout(struct net_device *dev);
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static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
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static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
701
				void __iomem *, u32 budget);
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static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
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static void rtl8169_down(struct net_device *dev);
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static void rtl8169_rx_clear(struct rtl8169_private *tp);
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static int rtl8169_poll(struct napi_struct *napi, int budget);
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static const unsigned int rtl8169_rx_config =
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	(RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);
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static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
{
	void __iomem *ioaddr = tp->mmio_addr;
	int i;

	RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
	for (i = 0; i < 20; i++) {
		udelay(100);
		if (RTL_R32(OCPAR) & OCPAR_FLAG)
			break;
	}
	return RTL_R32(OCPDR);
}

static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
{
	void __iomem *ioaddr = tp->mmio_addr;
	int i;

	RTL_W32(OCPDR, data);
	RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
	for (i = 0; i < 20; i++) {
		udelay(100);
		if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
			break;
	}
}

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static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
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{
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	void __iomem *ioaddr = tp->mmio_addr;
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	int i;

	RTL_W8(ERIDR, cmd);
	RTL_W32(ERIAR, 0x800010e8);
	msleep(2);
	for (i = 0; i < 5; i++) {
		udelay(100);
		if (!(RTL_R32(ERIDR) & ERIAR_FLAG))
			break;
	}

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	ocp_write(tp, 0x1, 0x30, 0x00000001);
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}

#define OOB_CMD_RESET		0x00
#define OOB_CMD_DRIVER_START	0x05
#define OOB_CMD_DRIVER_STOP	0x06

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static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
{
	return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
}

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static void rtl8168_driver_start(struct rtl8169_private *tp)
{
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	u16 reg;
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	int i;

	rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);

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	reg = rtl8168_get_ocp_reg(tp);
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	for (i = 0; i < 10; i++) {
		msleep(10);
775
		if (ocp_read(tp, 0x0f, reg) & 0x00000800)
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			break;
	}
}

static void rtl8168_driver_stop(struct rtl8169_private *tp)
{
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	u16 reg;
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	int i;

	rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);

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	reg = rtl8168_get_ocp_reg(tp);
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	for (i = 0; i < 10; i++) {
		msleep(10);
791
		if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
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			break;
	}
}

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static int r8168dp_check_dash(struct rtl8169_private *tp)
{
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	u16 reg = rtl8168_get_ocp_reg(tp);
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	return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
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}
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803
static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
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{
	int i;

807
	RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
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809
	for (i = 20; i > 0; i--) {
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		/*
		 * Check if the RTL8169 has completed writing to the specified
		 * MII register.
		 */
814
		if (!(RTL_R32(PHYAR) & 0x80000000))
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			break;
816
		udelay(25);
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	}
818
	/*
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	 * According to hardware specs a 20us delay is required after write
	 * complete indication, but before sending next command.
821
	 */
822
	udelay(20);
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}

825
static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
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{
	int i, value = -1;

829
	RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
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831
	for (i = 20; i > 0; i--) {
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		/*
		 * Check if the RTL8169 has completed retrieving data from
		 * the specified MII register.
		 */
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		if (RTL_R32(PHYAR) & 0x80000000) {
837
			value = RTL_R32(PHYAR) & 0xffff;
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			break;
		}
840
		udelay(25);
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	}
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	/*
	 * According to hardware specs a 20us delay is required after read
	 * complete indication, but before sending next command.
	 */
	udelay(20);

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	return value;
}

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static void r8168dp_1_mdio_access(void __iomem *ioaddr, int reg_addr, u32 data)
{
	int i;

	RTL_W32(OCPDR, data |
		((reg_addr & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
	RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
	RTL_W32(EPHY_RXER_NUM, 0);

	for (i = 0; i < 100; i++) {
		mdelay(1);
		if (!(RTL_R32(OCPAR) & OCPAR_FLAG))
			break;
	}
}

static void r8168dp_1_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
{
	r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_WRITE_CMD |
		(value & OCPDR_DATA_MASK));
}

static int r8168dp_1_mdio_read(void __iomem *ioaddr, int reg_addr)
{
	int i;

	r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_READ_CMD);

	mdelay(1);
	RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
	RTL_W32(EPHY_RXER_NUM, 0);

	for (i = 0; i < 100; i++) {
		mdelay(1);
		if (RTL_R32(OCPAR) & OCPAR_FLAG)
			break;
	}

	return RTL_R32(OCPDR) & OCPDR_DATA_MASK;
}

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#define R8168DP_1_MDIO_ACCESS_BIT	0x00020000

static void r8168dp_2_mdio_start(void __iomem *ioaddr)
{
	RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
}

static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
{
	RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
}

static void r8168dp_2_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
{
	r8168dp_2_mdio_start(ioaddr);

	r8169_mdio_write(ioaddr, reg_addr, value);

	r8168dp_2_mdio_stop(ioaddr);
}

static int r8168dp_2_mdio_read(void __iomem *ioaddr, int reg_addr)
{
	int value;

	r8168dp_2_mdio_start(ioaddr);

	value = r8169_mdio_read(ioaddr, reg_addr);

	r8168dp_2_mdio_stop(ioaddr);

	return value;
}

926
static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
927
{
928
	tp->mdio_ops.write(tp->mmio_addr, location, val);
929 930
}

931 932
static int rtl_readphy(struct rtl8169_private *tp, int location)
{
933
	return tp->mdio_ops.read(tp->mmio_addr, location);
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}

static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
{
	rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
}

static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
942 943 944
{
	int val;

945 946
	val = rtl_readphy(tp, reg_addr);
	rtl_writephy(tp, reg_addr, (val | p) & ~m);
947 948
}

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static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
			   int val)
{
	struct rtl8169_private *tp = netdev_priv(dev);

954
	rtl_writephy(tp, location, val);
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}

static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
{
	struct rtl8169_private *tp = netdev_priv(dev);

961
	return rtl_readphy(tp, location);
962 963
}

964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029
static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
{
	unsigned int i;

	RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
		(reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);

	for (i = 0; i < 100; i++) {
		if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
			break;
		udelay(10);
	}
}

static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
{
	u16 value = 0xffff;
	unsigned int i;

	RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);

	for (i = 0; i < 100; i++) {
		if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
			value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
			break;
		}
		udelay(10);
	}

	return value;
}

static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
{
	unsigned int i;

	RTL_W32(CSIDR, value);
	RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
		CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);

	for (i = 0; i < 100; i++) {
		if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
			break;
		udelay(10);
	}
}

static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
{
	u32 value = ~0x00;
	unsigned int i;

	RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
		CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);

	for (i = 0; i < 100; i++) {
		if (RTL_R32(CSIAR) & CSIAR_FLAG) {
			value = RTL_R32(CSIDR);
			break;
		}
		udelay(10);
	}

	return value;
}

1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047
static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
{
	u8 value = 0xff;
	unsigned int i;

	RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);

	for (i = 0; i < 300; i++) {
		if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
			value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
			break;
		}
		udelay(100);
	}

	return value;
}

L
Linus Torvalds 已提交
1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061
static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
{
	RTL_W16(IntrMask, 0x0000);

	RTL_W16(IntrStatus, 0xffff);
}

static void rtl8169_asic_down(void __iomem *ioaddr)
{
	RTL_W8(ChipCmd, 0x00);
	rtl8169_irq_mask_and_ack(ioaddr);
	RTL_R16(CPlusCmd);
}

1062
static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
1063
{
1064 1065
	void __iomem *ioaddr = tp->mmio_addr;

L
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1066 1067 1068
	return RTL_R32(TBICSR) & TBIReset;
}

1069
static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
1070
{
1071
	return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
L
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1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083
}

static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
{
	return RTL_R32(TBICSR) & TBILinkOk;
}

static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
{
	return RTL_R8(PHYstatus) & LinkStatus;
}

1084
static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
1085
{
1086 1087
	void __iomem *ioaddr = tp->mmio_addr;

L
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	RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
}

1091
static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
L
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1092 1093 1094
{
	unsigned int val;

1095 1096
	val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
	rtl_writephy(tp, MII_BMCR, val & 0xffff);
L
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1097 1098
}

1099
static void __rtl8169_check_link_status(struct net_device *dev,
F
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1100 1101
					struct rtl8169_private *tp,
					void __iomem *ioaddr, bool pm)
L
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1102 1103 1104 1105 1106
{
	unsigned long flags;

	spin_lock_irqsave(&tp->lock, flags);
	if (tp->link_ok(ioaddr)) {
1107
		/* This is to cancel a scheduled suspend if there's one. */
1108 1109
		if (pm)
			pm_request_resume(&tp->pci_dev->dev);
L
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1110
		netif_carrier_on(dev);
1111 1112
		if (net_ratelimit())
			netif_info(tp, ifup, dev, "link up\n");
1113
	} else {
L
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1114
		netif_carrier_off(dev);
1115
		netif_info(tp, ifdown, dev, "link down\n");
1116 1117
		if (pm)
			pm_schedule_suspend(&tp->pci_dev->dev, 100);
1118
	}
L
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	spin_unlock_irqrestore(&tp->lock, flags);
}

1122 1123 1124 1125 1126 1127 1128
static void rtl8169_check_link_status(struct net_device *dev,
				      struct rtl8169_private *tp,
				      void __iomem *ioaddr)
{
	__rtl8169_check_link_status(dev, tp, ioaddr, false);
}

1129 1130 1131
#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)

static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
F
Francois Romieu 已提交
1132 1133 1134
{
	void __iomem *ioaddr = tp->mmio_addr;
	u8 options;
1135
	u32 wolopts = 0;
F
Francois Romieu 已提交
1136 1137 1138

	options = RTL_R8(Config1);
	if (!(options & PMEnable))
1139
		return 0;
F
Francois Romieu 已提交
1140 1141 1142

	options = RTL_R8(Config3);
	if (options & LinkUp)
1143
		wolopts |= WAKE_PHY;
F
Francois Romieu 已提交
1144
	if (options & MagicPacket)
1145
		wolopts |= WAKE_MAGIC;
F
Francois Romieu 已提交
1146 1147 1148

	options = RTL_R8(Config5);
	if (options & UWF)
1149
		wolopts |= WAKE_UCAST;
F
Francois Romieu 已提交
1150
	if (options & BWF)
1151
		wolopts |= WAKE_BCAST;
F
Francois Romieu 已提交
1152
	if (options & MWF)
1153
		wolopts |= WAKE_MCAST;
F
Francois Romieu 已提交
1154

1155
	return wolopts;
F
Francois Romieu 已提交
1156 1157
}

1158
static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
F
Francois Romieu 已提交
1159 1160
{
	struct rtl8169_private *tp = netdev_priv(dev);
1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171

	spin_lock_irq(&tp->lock);

	wol->supported = WAKE_ANY;
	wol->wolopts = __rtl8169_get_wol(tp);

	spin_unlock_irq(&tp->lock);
}

static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
{
F
Francois Romieu 已提交
1172
	void __iomem *ioaddr = tp->mmio_addr;
F
Francois Romieu 已提交
1173
	unsigned int i;
1174
	static const struct {
F
Francois Romieu 已提交
1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191
		u32 opt;
		u16 reg;
		u8  mask;
	} cfg[] = {
		{ WAKE_ANY,   Config1, PMEnable },
		{ WAKE_PHY,   Config3, LinkUp },
		{ WAKE_MAGIC, Config3, MagicPacket },
		{ WAKE_UCAST, Config5, UWF },
		{ WAKE_BCAST, Config5, BWF },
		{ WAKE_MCAST, Config5, MWF },
		{ WAKE_ANY,   Config5, LanWake }
	};

	RTL_W8(Cfg9346, Cfg9346_Unlock);

	for (i = 0; i < ARRAY_SIZE(cfg); i++) {
		u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1192
		if (wolopts & cfg[i].opt)
F
Francois Romieu 已提交
1193 1194 1195 1196 1197
			options |= cfg[i].mask;
		RTL_W8(cfg[i].reg, options);
	}

	RTL_W8(Cfg9346, Cfg9346_Lock);
1198 1199 1200 1201 1202 1203 1204
}

static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	spin_lock_irq(&tp->lock);
F
Francois Romieu 已提交
1205

1206 1207 1208 1209
	if (wol->wolopts)
		tp->features |= RTL_FEATURE_WOL;
	else
		tp->features &= ~RTL_FEATURE_WOL;
1210
	__rtl8169_set_wol(tp, wol->wolopts);
F
Francois Romieu 已提交
1211 1212
	spin_unlock_irq(&tp->lock);

1213 1214
	device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);

F
Francois Romieu 已提交
1215 1216 1217
	return 0;
}

1218 1219
static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
{
1220
	return rtl_chip_infos[tp->mac_version].fw_name;
1221 1222
}

L
Linus Torvalds 已提交
1223 1224 1225 1226
static void rtl8169_get_drvinfo(struct net_device *dev,
				struct ethtool_drvinfo *info)
{
	struct rtl8169_private *tp = netdev_priv(dev);
1227
	struct rtl_fw *rtl_fw = tp->rtl_fw;
L
Linus Torvalds 已提交
1228 1229 1230 1231

	strcpy(info->driver, MODULENAME);
	strcpy(info->version, RTL8169_VERSION);
	strcpy(info->bus_info, pci_name(tp->pci_dev));
1232
	strncpy(info->fw_version, IS_ERR_OR_NULL(rtl_fw) ? "N/A" :
1233
		rtl_lookup_firmware_name(tp), sizeof(info->fw_version) - 1);
L
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1234 1235 1236 1237 1238 1239 1240 1241
}

static int rtl8169_get_regs_len(struct net_device *dev)
{
	return R8169_REGS_SIZE;
}

static int rtl8169_set_speed_tbi(struct net_device *dev,
1242
				 u8 autoneg, u16 speed, u8 duplex, u32 ignored)
L
Linus Torvalds 已提交
1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	int ret = 0;
	u32 reg;

	reg = RTL_R32(TBICSR);
	if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
	    (duplex == DUPLEX_FULL)) {
		RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
	} else if (autoneg == AUTONEG_ENABLE)
		RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
	else {
1256 1257
		netif_warn(tp, link, dev,
			   "incorrect speed setting refused in TBI mode\n");
L
Linus Torvalds 已提交
1258 1259 1260 1261 1262 1263 1264
		ret = -EOPNOTSUPP;
	}

	return ret;
}

static int rtl8169_set_speed_xmii(struct net_device *dev,
1265
				  u8 autoneg, u16 speed, u8 duplex, u32 adv)
L
Linus Torvalds 已提交
1266 1267
{
	struct rtl8169_private *tp = netdev_priv(dev);
1268
	int giga_ctrl, bmcr;
1269
	int rc = -EINVAL;
L
Linus Torvalds 已提交
1270

1271
	rtl_writephy(tp, 0x1f, 0x0000);
L
Linus Torvalds 已提交
1272 1273

	if (autoneg == AUTONEG_ENABLE) {
1274 1275
		int auto_nego;

1276
		auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288
		auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
				ADVERTISE_100HALF | ADVERTISE_100FULL);

		if (adv & ADVERTISED_10baseT_Half)
			auto_nego |= ADVERTISE_10HALF;
		if (adv & ADVERTISED_10baseT_Full)
			auto_nego |= ADVERTISE_10FULL;
		if (adv & ADVERTISED_100baseT_Half)
			auto_nego |= ADVERTISE_100HALF;
		if (adv & ADVERTISED_100baseT_Full)
			auto_nego |= ADVERTISE_100FULL;

1289
		auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
L
Linus Torvalds 已提交
1290

1291
		giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1292
		giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1293

1294
		/* The 8100e/8101e/8102e do Fast Ethernet only. */
1295
		if (tp->mii.supports_gmii) {
1296 1297 1298 1299 1300 1301
			if (adv & ADVERTISED_1000baseT_Half)
				giga_ctrl |= ADVERTISE_1000HALF;
			if (adv & ADVERTISED_1000baseT_Full)
				giga_ctrl |= ADVERTISE_1000FULL;
		} else if (adv & (ADVERTISED_1000baseT_Half |
				  ADVERTISED_1000baseT_Full)) {
1302 1303
			netif_info(tp, link, dev,
				   "PHY does not support 1000Mbps\n");
1304
			goto out;
1305
		}
L
Linus Torvalds 已提交
1306

1307 1308
		bmcr = BMCR_ANENABLE | BMCR_ANRESTART;

1309 1310
		rtl_writephy(tp, MII_ADVERTISE, auto_nego);
		rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1311 1312 1313 1314 1315 1316 1317 1318
	} else {
		giga_ctrl = 0;

		if (speed == SPEED_10)
			bmcr = 0;
		else if (speed == SPEED_100)
			bmcr = BMCR_SPEED100;
		else
1319
			goto out;
1320 1321 1322

		if (duplex == DUPLEX_FULL)
			bmcr |= BMCR_FULLDPLX;
R
Roger So 已提交
1323 1324
	}

1325
	rtl_writephy(tp, MII_BMCR, bmcr);
1326

F
Francois Romieu 已提交
1327 1328
	if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_03) {
1329
		if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1330 1331
			rtl_writephy(tp, 0x17, 0x2138);
			rtl_writephy(tp, 0x0e, 0x0260);
1332
		} else {
1333 1334
			rtl_writephy(tp, 0x17, 0x2108);
			rtl_writephy(tp, 0x0e, 0x0000);
1335 1336 1337
		}
	}

1338 1339 1340
	rc = 0;
out:
	return rc;
L
Linus Torvalds 已提交
1341 1342 1343
}

static int rtl8169_set_speed(struct net_device *dev,
1344
			     u8 autoneg, u16 speed, u8 duplex, u32 advertising)
L
Linus Torvalds 已提交
1345 1346 1347 1348
{
	struct rtl8169_private *tp = netdev_priv(dev);
	int ret;

1349
	ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1350 1351
	if (ret < 0)
		goto out;
L
Linus Torvalds 已提交
1352

1353 1354
	if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
	    (advertising & ADVERTISED_1000baseT_Full)) {
L
Linus Torvalds 已提交
1355
		mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1356 1357
	}
out:
L
Linus Torvalds 已提交
1358 1359 1360 1361 1362 1363 1364 1365 1366
	return ret;
}

static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	unsigned long flags;
	int ret;

1367 1368
	del_timer_sync(&tp->timer);

L
Linus Torvalds 已提交
1369
	spin_lock_irqsave(&tp->lock, flags);
F
Francois Romieu 已提交
1370
	ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1371
				cmd->duplex, cmd->advertising);
L
Linus Torvalds 已提交
1372
	spin_unlock_irqrestore(&tp->lock, flags);
1373

L
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1374 1375 1376
	return ret;
}

1377
static u32 rtl8169_fix_features(struct net_device *dev, u32 features)
L
Linus Torvalds 已提交
1378
{
F
Francois Romieu 已提交
1379
	if (dev->mtu > TD_MSS_MAX)
1380
		features &= ~NETIF_F_ALL_TSO;
L
Linus Torvalds 已提交
1381

1382
	return features;
L
Linus Torvalds 已提交
1383 1384
}

1385
static int rtl8169_set_features(struct net_device *dev, u32 features)
L
Linus Torvalds 已提交
1386 1387 1388 1389 1390 1391 1392
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	unsigned long flags;

	spin_lock_irqsave(&tp->lock, flags);

1393
	if (features & NETIF_F_RXCSUM)
L
Linus Torvalds 已提交
1394 1395 1396 1397
		tp->cp_cmd |= RxChkSum;
	else
		tp->cp_cmd &= ~RxChkSum;

1398 1399 1400 1401 1402
	if (dev->features & NETIF_F_HW_VLAN_RX)
		tp->cp_cmd |= RxVlan;
	else
		tp->cp_cmd &= ~RxVlan;

L
Linus Torvalds 已提交
1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413
	RTL_W16(CPlusCmd, tp->cp_cmd);
	RTL_R16(CPlusCmd);

	spin_unlock_irqrestore(&tp->lock, flags);

	return 0;
}

static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
				      struct sk_buff *skb)
{
1414
	return (vlan_tx_tag_present(skb)) ?
L
Linus Torvalds 已提交
1415 1416 1417
		TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
}

1418
static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
L
Linus Torvalds 已提交
1419 1420 1421
{
	u32 opts2 = le32_to_cpu(desc->opts2);

1422 1423
	if (opts2 & RxVlanTag)
		__vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
E
Eric Dumazet 已提交
1424

L
Linus Torvalds 已提交
1425 1426 1427
	desc->opts2 = 0;
}

1428
static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
L
Linus Torvalds 已提交
1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	u32 status;

	cmd->supported =
		SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
	cmd->port = PORT_FIBRE;
	cmd->transceiver = XCVR_INTERNAL;

	status = RTL_R32(TBICSR);
	cmd->advertising = (status & TBINwEnable) ?  ADVERTISED_Autoneg : 0;
	cmd->autoneg = !!(status & TBINwEnable);

1443
	ethtool_cmd_speed_set(cmd, SPEED_1000);
L
Linus Torvalds 已提交
1444
	cmd->duplex = DUPLEX_FULL; /* Always set */
1445 1446

	return 0;
L
Linus Torvalds 已提交
1447 1448
}

1449
static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
L
Linus Torvalds 已提交
1450 1451
{
	struct rtl8169_private *tp = netdev_priv(dev);
1452 1453

	return mii_ethtool_gset(&tp->mii, cmd);
L
Linus Torvalds 已提交
1454 1455 1456 1457 1458 1459
}

static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	unsigned long flags;
1460
	int rc;
L
Linus Torvalds 已提交
1461 1462 1463

	spin_lock_irqsave(&tp->lock, flags);

1464
	rc = tp->get_settings(dev, cmd);
L
Linus Torvalds 已提交
1465 1466

	spin_unlock_irqrestore(&tp->lock, flags);
1467
	return rc;
L
Linus Torvalds 已提交
1468 1469 1470 1471 1472
}

static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
			     void *p)
{
1473 1474
	struct rtl8169_private *tp = netdev_priv(dev);
	unsigned long flags;
L
Linus Torvalds 已提交
1475

1476 1477
	if (regs->len > R8169_REGS_SIZE)
		regs->len = R8169_REGS_SIZE;
L
Linus Torvalds 已提交
1478

1479 1480 1481
	spin_lock_irqsave(&tp->lock, flags);
	memcpy_fromio(p, tp->mmio_addr, regs->len);
	spin_unlock_irqrestore(&tp->lock, flags);
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}

1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497
static u32 rtl8169_get_msglevel(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	return tp->msg_enable;
}

static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	tp->msg_enable = value;
}

1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513
static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
	"tx_packets",
	"rx_packets",
	"tx_errors",
	"rx_errors",
	"rx_missed",
	"align_errors",
	"tx_single_collisions",
	"tx_multi_collisions",
	"unicast",
	"broadcast",
	"multicast",
	"tx_aborted",
	"tx_underrun",
};

1514
static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1515
{
1516 1517 1518 1519 1520 1521
	switch (sset) {
	case ETH_SS_STATS:
		return ARRAY_SIZE(rtl8169_gstrings);
	default:
		return -EOPNOTSUPP;
	}
1522 1523
}

1524
static void rtl8169_update_counters(struct net_device *dev)
1525 1526 1527
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
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1528
	struct device *d = &tp->pci_dev->dev;
1529 1530 1531
	struct rtl8169_counters *counters;
	dma_addr_t paddr;
	u32 cmd;
1532
	int wait = 1000;
1533

1534 1535 1536 1537 1538 1539
	/*
	 * Some chips are unable to dump tally counters when the receiver
	 * is disabled.
	 */
	if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
		return;
1540

1541
	counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1542 1543 1544 1545
	if (!counters)
		return;

	RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1546
	cmd = (u64)paddr & DMA_BIT_MASK(32);
1547 1548 1549
	RTL_W32(CounterAddrLow, cmd);
	RTL_W32(CounterAddrLow, cmd | CounterDump);

1550 1551 1552
	while (wait--) {
		if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
			memcpy(&tp->counters, counters, sizeof(*counters));
1553
			break;
1554 1555
		}
		udelay(10);
1556 1557 1558 1559 1560
	}

	RTL_W32(CounterAddrLow, 0);
	RTL_W32(CounterAddrHigh, 0);

1561
	dma_free_coherent(d, sizeof(*counters), counters, paddr);
1562 1563
}

1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587
static void rtl8169_get_ethtool_stats(struct net_device *dev,
				      struct ethtool_stats *stats, u64 *data)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	ASSERT_RTNL();

	rtl8169_update_counters(dev);

	data[0] = le64_to_cpu(tp->counters.tx_packets);
	data[1] = le64_to_cpu(tp->counters.rx_packets);
	data[2] = le64_to_cpu(tp->counters.tx_errors);
	data[3] = le32_to_cpu(tp->counters.rx_errors);
	data[4] = le16_to_cpu(tp->counters.rx_missed);
	data[5] = le16_to_cpu(tp->counters.align_errors);
	data[6] = le32_to_cpu(tp->counters.tx_one_collision);
	data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
	data[8] = le64_to_cpu(tp->counters.rx_unicast);
	data[9] = le64_to_cpu(tp->counters.rx_broadcast);
	data[10] = le32_to_cpu(tp->counters.rx_multicast);
	data[11] = le16_to_cpu(tp->counters.tx_aborted);
	data[12] = le16_to_cpu(tp->counters.tx_underun);
}

1588 1589 1590 1591 1592 1593 1594 1595 1596
static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
{
	switch(stringset) {
	case ETH_SS_STATS:
		memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
		break;
	}
}

1597
static const struct ethtool_ops rtl8169_ethtool_ops = {
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1598 1599 1600 1601 1602
	.get_drvinfo		= rtl8169_get_drvinfo,
	.get_regs_len		= rtl8169_get_regs_len,
	.get_link		= ethtool_op_get_link,
	.get_settings		= rtl8169_get_settings,
	.set_settings		= rtl8169_set_settings,
1603 1604
	.get_msglevel		= rtl8169_get_msglevel,
	.set_msglevel		= rtl8169_set_msglevel,
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1605
	.get_regs		= rtl8169_get_regs,
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1606 1607
	.get_wol		= rtl8169_get_wol,
	.set_wol		= rtl8169_set_wol,
1608
	.get_strings		= rtl8169_get_strings,
1609
	.get_sset_count		= rtl8169_get_sset_count,
1610
	.get_ethtool_stats	= rtl8169_get_ethtool_stats,
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1611 1612
};

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1613
static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1614
				    struct net_device *dev, u8 default_version)
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1615
{
1616
	void __iomem *ioaddr = tp->mmio_addr;
1617 1618 1619 1620 1621 1622
	/*
	 * The driver currently handles the 8168Bf and the 8168Be identically
	 * but they can be identified more specifically through the test below
	 * if needed:
	 *
	 * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
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1623 1624 1625 1626
	 *
	 * Same thing for the 8101Eb and the 8101Ec:
	 *
	 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1627
	 */
1628
	static const struct {
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1629
		u32 mask;
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1630
		u32 val;
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1631 1632
		int mac_version;
	} mac_info[] = {
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1633 1634 1635 1636 1637
		/* 8168E family. */
		{ 0x7cf00000, 0x2c200000,	RTL_GIGA_MAC_VER_33 },
		{ 0x7cf00000, 0x2c100000,	RTL_GIGA_MAC_VER_32 },
		{ 0x7c800000, 0x2c000000,	RTL_GIGA_MAC_VER_33 },

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1638
		/* 8168D family. */
1639 1640 1641
		{ 0x7cf00000, 0x28300000,	RTL_GIGA_MAC_VER_26 },
		{ 0x7cf00000, 0x28100000,	RTL_GIGA_MAC_VER_25 },
		{ 0x7c800000, 0x28000000,	RTL_GIGA_MAC_VER_26 },
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1643 1644 1645
		/* 8168DP family. */
		{ 0x7cf00000, 0x28800000,	RTL_GIGA_MAC_VER_27 },
		{ 0x7cf00000, 0x28a00000,	RTL_GIGA_MAC_VER_28 },
1646
		{ 0x7cf00000, 0x28b00000,	RTL_GIGA_MAC_VER_31 },
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1648
		/* 8168C family. */
1649
		{ 0x7cf00000, 0x3cb00000,	RTL_GIGA_MAC_VER_24 },
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		{ 0x7cf00000, 0x3c900000,	RTL_GIGA_MAC_VER_23 },
1651
		{ 0x7cf00000, 0x3c800000,	RTL_GIGA_MAC_VER_18 },
1652
		{ 0x7c800000, 0x3c800000,	RTL_GIGA_MAC_VER_24 },
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		{ 0x7cf00000, 0x3c000000,	RTL_GIGA_MAC_VER_19 },
		{ 0x7cf00000, 0x3c200000,	RTL_GIGA_MAC_VER_20 },
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		{ 0x7cf00000, 0x3c300000,	RTL_GIGA_MAC_VER_21 },
1656
		{ 0x7cf00000, 0x3c400000,	RTL_GIGA_MAC_VER_22 },
1657
		{ 0x7c800000, 0x3c000000,	RTL_GIGA_MAC_VER_22 },
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1658 1659 1660 1661 1662 1663 1664 1665

		/* 8168B family. */
		{ 0x7cf00000, 0x38000000,	RTL_GIGA_MAC_VER_12 },
		{ 0x7cf00000, 0x38500000,	RTL_GIGA_MAC_VER_17 },
		{ 0x7c800000, 0x38000000,	RTL_GIGA_MAC_VER_17 },
		{ 0x7c800000, 0x30000000,	RTL_GIGA_MAC_VER_11 },

		/* 8101 family. */
1666
		{ 0x7cf00000, 0x40b00000,	RTL_GIGA_MAC_VER_30 },
1667 1668 1669
		{ 0x7cf00000, 0x40a00000,	RTL_GIGA_MAC_VER_30 },
		{ 0x7cf00000, 0x40900000,	RTL_GIGA_MAC_VER_29 },
		{ 0x7c800000, 0x40800000,	RTL_GIGA_MAC_VER_30 },
1670 1671 1672 1673 1674 1675
		{ 0x7cf00000, 0x34a00000,	RTL_GIGA_MAC_VER_09 },
		{ 0x7cf00000, 0x24a00000,	RTL_GIGA_MAC_VER_09 },
		{ 0x7cf00000, 0x34900000,	RTL_GIGA_MAC_VER_08 },
		{ 0x7cf00000, 0x24900000,	RTL_GIGA_MAC_VER_08 },
		{ 0x7cf00000, 0x34800000,	RTL_GIGA_MAC_VER_07 },
		{ 0x7cf00000, 0x24800000,	RTL_GIGA_MAC_VER_07 },
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		{ 0x7cf00000, 0x34000000,	RTL_GIGA_MAC_VER_13 },
1677
		{ 0x7cf00000, 0x34300000,	RTL_GIGA_MAC_VER_10 },
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		{ 0x7cf00000, 0x34200000,	RTL_GIGA_MAC_VER_16 },
1679 1680
		{ 0x7c800000, 0x34800000,	RTL_GIGA_MAC_VER_09 },
		{ 0x7c800000, 0x24800000,	RTL_GIGA_MAC_VER_09 },
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1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693
		{ 0x7c800000, 0x34000000,	RTL_GIGA_MAC_VER_16 },
		/* FIXME: where did these entries come from ? -- FR */
		{ 0xfc800000, 0x38800000,	RTL_GIGA_MAC_VER_15 },
		{ 0xfc800000, 0x30800000,	RTL_GIGA_MAC_VER_14 },

		/* 8110 family. */
		{ 0xfc800000, 0x98000000,	RTL_GIGA_MAC_VER_06 },
		{ 0xfc800000, 0x18000000,	RTL_GIGA_MAC_VER_05 },
		{ 0xfc800000, 0x10000000,	RTL_GIGA_MAC_VER_04 },
		{ 0xfc800000, 0x04000000,	RTL_GIGA_MAC_VER_03 },
		{ 0xfc800000, 0x00800000,	RTL_GIGA_MAC_VER_02 },
		{ 0xfc800000, 0x00000000,	RTL_GIGA_MAC_VER_01 },

1694 1695
		/* Catch-all */
		{ 0x00000000, 0x00000000,	RTL_GIGA_MAC_NONE   }
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	}, *p = mac_info;
	u32 reg;

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1699 1700
	reg = RTL_R32(TxConfig);
	while ((reg & p->mask) != p->val)
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1701 1702
		p++;
	tp->mac_version = p->mac_version;
1703 1704 1705 1706 1707 1708

	if (tp->mac_version == RTL_GIGA_MAC_NONE) {
		netif_notice(tp, probe, dev,
			     "unknown MAC, using family default\n");
		tp->mac_version = default_version;
	}
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}

static void rtl8169_print_mac_version(struct rtl8169_private *tp)
{
1713
	dprintk("mac_version = 0x%02x\n", tp->mac_version);
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}

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struct phy_reg {
	u16 reg;
	u16 val;
};

1721 1722
static void rtl_writephy_batch(struct rtl8169_private *tp,
			       const struct phy_reg *regs, int len)
F
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1723 1724
{
	while (len-- > 0) {
1725
		rtl_writephy(tp, regs->reg, regs->val);
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		regs++;
	}
}

1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746
#define PHY_READ		0x00000000
#define PHY_DATA_OR		0x10000000
#define PHY_DATA_AND		0x20000000
#define PHY_BJMPN		0x30000000
#define PHY_READ_EFUSE		0x40000000
#define PHY_READ_MAC_BYTE	0x50000000
#define PHY_WRITE_MAC_BYTE	0x60000000
#define PHY_CLEAR_READCOUNT	0x70000000
#define PHY_WRITE		0x80000000
#define PHY_READCOUNT_EQ_SKIP	0x90000000
#define PHY_COMP_EQ_SKIPN	0xa0000000
#define PHY_COMP_NEQ_SKIPN	0xb0000000
#define PHY_WRITE_PREVIOUS	0xc0000000
#define PHY_SKIPN		0xd0000000
#define PHY_DELAY_MS		0xe0000000
#define PHY_WRITE_ERI_WORD	0xf0000000

1747
static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1748
{
1749
	const struct firmware *fw = rtl_fw->fw;
1750 1751
	__le32 *phytable = (__le32 *)fw->data;
	struct net_device *dev = tp->dev;
1752 1753
	size_t index, fw_size = fw->size / sizeof(*phytable);
	u32 predata, count;
1754 1755 1756 1757 1758 1759

	if (fw->size % sizeof(*phytable)) {
		netif_err(tp, probe, dev, "odd sized firmware %zd\n", fw->size);
		return;
	}

1760 1761 1762
	for (index = 0; index < fw_size; index++) {
		u32 action = le32_to_cpu(phytable[index]);
		u32 regno = (action & 0x0fff0000) >> 16;
1763

1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777
		switch(action & 0xf0000000) {
		case PHY_READ:
		case PHY_DATA_OR:
		case PHY_DATA_AND:
		case PHY_READ_EFUSE:
		case PHY_CLEAR_READCOUNT:
		case PHY_WRITE:
		case PHY_WRITE_PREVIOUS:
		case PHY_DELAY_MS:
			break;

		case PHY_BJMPN:
			if (regno > index) {
				netif_err(tp, probe, tp->dev,
F
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1778
					  "Out of range of firmware\n");
1779 1780 1781 1782 1783 1784
				return;
			}
			break;
		case PHY_READCOUNT_EQ_SKIP:
			if (index + 2 >= fw_size) {
				netif_err(tp, probe, tp->dev,
F
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1785
					  "Out of range of firmware\n");
1786 1787 1788 1789 1790 1791 1792 1793
				return;
			}
			break;
		case PHY_COMP_EQ_SKIPN:
		case PHY_COMP_NEQ_SKIPN:
		case PHY_SKIPN:
			if (index + 1 + regno >= fw_size) {
				netif_err(tp, probe, tp->dev,
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1794
					  "Out of range of firmware\n");
1795 1796
				return;
			}
1797 1798
			break;

1799 1800 1801 1802 1803 1804
		case PHY_READ_MAC_BYTE:
		case PHY_WRITE_MAC_BYTE:
		case PHY_WRITE_ERI_WORD:
		default:
			netif_err(tp, probe, tp->dev,
				  "Invalid action 0x%08x\n", action);
1805 1806 1807 1808
			return;
		}
	}

1809 1810 1811 1812 1813
	predata = 0;
	count = 0;

	for (index = 0; index < fw_size; ) {
		u32 action = le32_to_cpu(phytable[index]);
1814
		u32 data = action & 0x0000ffff;
1815 1816 1817 1818
		u32 regno = (action & 0x0fff0000) >> 16;

		if (!action)
			break;
1819 1820

		switch(action & 0xf0000000) {
1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844
		case PHY_READ:
			predata = rtl_readphy(tp, regno);
			count++;
			index++;
			break;
		case PHY_DATA_OR:
			predata |= data;
			index++;
			break;
		case PHY_DATA_AND:
			predata &= data;
			index++;
			break;
		case PHY_BJMPN:
			index -= regno;
			break;
		case PHY_READ_EFUSE:
			predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
			index++;
			break;
		case PHY_CLEAR_READCOUNT:
			count = 0;
			index++;
			break;
1845
		case PHY_WRITE:
1846 1847 1848 1849
			rtl_writephy(tp, regno, data);
			index++;
			break;
		case PHY_READCOUNT_EQ_SKIP:
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			index += (count == data) ? 2 : 1;
1851
			break;
1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876
		case PHY_COMP_EQ_SKIPN:
			if (predata == data)
				index += regno;
			index++;
			break;
		case PHY_COMP_NEQ_SKIPN:
			if (predata != data)
				index += regno;
			index++;
			break;
		case PHY_WRITE_PREVIOUS:
			rtl_writephy(tp, regno, predata);
			index++;
			break;
		case PHY_SKIPN:
			index += regno + 1;
			break;
		case PHY_DELAY_MS:
			mdelay(data);
			index++;
			break;

		case PHY_READ_MAC_BYTE:
		case PHY_WRITE_MAC_BYTE:
		case PHY_WRITE_ERI_WORD:
1877 1878 1879 1880 1881 1882
		default:
			BUG();
		}
	}
}

1883 1884
static void rtl_release_firmware(struct rtl8169_private *tp)
{
1885 1886 1887 1888 1889
	if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
		release_firmware(tp->rtl_fw->fw);
		kfree(tp->rtl_fw);
	}
	tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
1890 1891
}

1892
static void rtl_apply_firmware(struct rtl8169_private *tp)
1893
{
1894
	struct rtl_fw *rtl_fw = tp->rtl_fw;
1895 1896

	/* TODO: release firmware once rtl_phy_write_fw signals failures. */
1897 1898
	if (!IS_ERR_OR_NULL(rtl_fw))
		rtl_phy_write_fw(tp, rtl_fw);
1899 1900 1901 1902 1903 1904 1905 1906
}

static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
{
	if (rtl_readphy(tp, reg) != val)
		netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
	else
		rtl_apply_firmware(tp);
1907 1908
}

1909
static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
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{
1911
	static const struct phy_reg phy_reg_init[] = {
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		{ 0x1f, 0x0001 },
		{ 0x06, 0x006e },
		{ 0x08, 0x0708 },
		{ 0x15, 0x4000 },
		{ 0x18, 0x65c7 },
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		{ 0x1f, 0x0001 },
		{ 0x03, 0x00a1 },
		{ 0x02, 0x0008 },
		{ 0x01, 0x0120 },
		{ 0x00, 0x1000 },
		{ 0x04, 0x0800 },
		{ 0x04, 0x0000 },
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1925

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		{ 0x03, 0xff41 },
		{ 0x02, 0xdf60 },
		{ 0x01, 0x0140 },
		{ 0x00, 0x0077 },
		{ 0x04, 0x7800 },
		{ 0x04, 0x7000 },

		{ 0x03, 0x802f },
		{ 0x02, 0x4f02 },
		{ 0x01, 0x0409 },
		{ 0x00, 0xf0f9 },
		{ 0x04, 0x9800 },
		{ 0x04, 0x9000 },

		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0xff95 },
		{ 0x00, 0xba00 },
		{ 0x04, 0xa800 },
		{ 0x04, 0xa000 },

		{ 0x03, 0xff41 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0x0140 },
		{ 0x00, 0x00bb },
		{ 0x04, 0xb800 },
		{ 0x04, 0xb000 },

		{ 0x03, 0xdf41 },
		{ 0x02, 0xdc60 },
		{ 0x01, 0x6340 },
		{ 0x00, 0x007d },
		{ 0x04, 0xd800 },
		{ 0x04, 0xd000 },

		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0x100a },
		{ 0x00, 0xa0ff },
		{ 0x04, 0xf800 },
		{ 0x04, 0xf000 },

		{ 0x1f, 0x0000 },
		{ 0x0b, 0x0000 },
		{ 0x00, 0x9200 }
	};
L
Linus Torvalds 已提交
1972

1973
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
L
Linus Torvalds 已提交
1974 1975
}

1976
static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
1977
{
1978
	static const struct phy_reg phy_reg_init[] = {
F
Francois Romieu 已提交
1979 1980 1981 1982 1983
		{ 0x1f, 0x0002 },
		{ 0x01, 0x90d0 },
		{ 0x1f, 0x0000 }
	};

1984
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1985 1986
}

1987
static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
{
	struct pci_dev *pdev = tp->pci_dev;
	u16 vendor_id, device_id;

	pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id);
	pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &device_id);

	if ((vendor_id != PCI_VENDOR_ID_GIGABYTE) || (device_id != 0xe000))
		return;

1998 1999 2000
	rtl_writephy(tp, 0x1f, 0x0001);
	rtl_writephy(tp, 0x10, 0xf01b);
	rtl_writephy(tp, 0x1f, 0x0000);
2001 2002
}

2003
static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2004
{
2005
	static const struct phy_reg phy_reg_init[] = {
2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044
		{ 0x1f, 0x0001 },
		{ 0x04, 0x0000 },
		{ 0x03, 0x00a1 },
		{ 0x02, 0x0008 },
		{ 0x01, 0x0120 },
		{ 0x00, 0x1000 },
		{ 0x04, 0x0800 },
		{ 0x04, 0x9000 },
		{ 0x03, 0x802f },
		{ 0x02, 0x4f02 },
		{ 0x01, 0x0409 },
		{ 0x00, 0xf099 },
		{ 0x04, 0x9800 },
		{ 0x04, 0xa000 },
		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0xff95 },
		{ 0x00, 0xba00 },
		{ 0x04, 0xa800 },
		{ 0x04, 0xf000 },
		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0x101a },
		{ 0x00, 0xa0ff },
		{ 0x04, 0xf800 },
		{ 0x04, 0x0000 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0001 },
		{ 0x10, 0xf41b },
		{ 0x14, 0xfb54 },
		{ 0x18, 0xf5c7 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0001 },
		{ 0x17, 0x0cc0 },
		{ 0x1f, 0x0000 }
	};

2045
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2046

2047
	rtl8169scd_hw_phy_config_quirk(tp);
2048 2049
}

2050
static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2051
{
2052
	static const struct phy_reg phy_reg_init[] = {
2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099
		{ 0x1f, 0x0001 },
		{ 0x04, 0x0000 },
		{ 0x03, 0x00a1 },
		{ 0x02, 0x0008 },
		{ 0x01, 0x0120 },
		{ 0x00, 0x1000 },
		{ 0x04, 0x0800 },
		{ 0x04, 0x9000 },
		{ 0x03, 0x802f },
		{ 0x02, 0x4f02 },
		{ 0x01, 0x0409 },
		{ 0x00, 0xf099 },
		{ 0x04, 0x9800 },
		{ 0x04, 0xa000 },
		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0xff95 },
		{ 0x00, 0xba00 },
		{ 0x04, 0xa800 },
		{ 0x04, 0xf000 },
		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0x101a },
		{ 0x00, 0xa0ff },
		{ 0x04, 0xf800 },
		{ 0x04, 0x0000 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0001 },
		{ 0x0b, 0x8480 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0001 },
		{ 0x18, 0x67c7 },
		{ 0x04, 0x2000 },
		{ 0x03, 0x002f },
		{ 0x02, 0x4360 },
		{ 0x01, 0x0109 },
		{ 0x00, 0x3022 },
		{ 0x04, 0x2800 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0001 },
		{ 0x17, 0x0cc0 },
		{ 0x1f, 0x0000 }
	};

2100
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2101 2102
}

2103
static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2104
{
2105
	static const struct phy_reg phy_reg_init[] = {
2106 2107 2108 2109
		{ 0x10, 0xf41b },
		{ 0x1f, 0x0000 }
	};

2110 2111
	rtl_writephy(tp, 0x1f, 0x0001);
	rtl_patchphy(tp, 0x16, 1 << 0);
2112

2113
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2114 2115
}

2116
static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2117
{
2118
	static const struct phy_reg phy_reg_init[] = {
2119 2120 2121 2122 2123
		{ 0x1f, 0x0001 },
		{ 0x10, 0xf41b },
		{ 0x1f, 0x0000 }
	};

2124
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2125 2126
}

2127
static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
F
Francois Romieu 已提交
2128
{
2129
	static const struct phy_reg phy_reg_init[] = {
F
Francois Romieu 已提交
2130 2131 2132 2133 2134 2135 2136
		{ 0x1f, 0x0000 },
		{ 0x1d, 0x0f00 },
		{ 0x1f, 0x0002 },
		{ 0x0c, 0x1ec8 },
		{ 0x1f, 0x0000 }
	};

2137
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
F
Francois Romieu 已提交
2138 2139
}

2140
static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
F
Francois Romieu 已提交
2141
{
2142
	static const struct phy_reg phy_reg_init[] = {
F
Francois Romieu 已提交
2143 2144 2145 2146 2147
		{ 0x1f, 0x0001 },
		{ 0x1d, 0x3d98 },
		{ 0x1f, 0x0000 }
	};

2148 2149 2150
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_patchphy(tp, 0x14, 1 << 5);
	rtl_patchphy(tp, 0x0d, 1 << 5);
F
Francois Romieu 已提交
2151

2152
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
F
Francois Romieu 已提交
2153 2154
}

2155
static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
F
Francois Romieu 已提交
2156
{
2157
	static const struct phy_reg phy_reg_init[] = {
2158 2159
		{ 0x1f, 0x0001 },
		{ 0x12, 0x2300 },
F
Francois Romieu 已提交
2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170
		{ 0x1f, 0x0002 },
		{ 0x00, 0x88d4 },
		{ 0x01, 0x82b1 },
		{ 0x03, 0x7002 },
		{ 0x08, 0x9e30 },
		{ 0x09, 0x01f0 },
		{ 0x0a, 0x5500 },
		{ 0x0c, 0x00c8 },
		{ 0x1f, 0x0003 },
		{ 0x12, 0xc096 },
		{ 0x16, 0x000a },
2171 2172 2173 2174
		{ 0x1f, 0x0000 },
		{ 0x1f, 0x0000 },
		{ 0x09, 0x2000 },
		{ 0x09, 0x0000 }
F
Francois Romieu 已提交
2175 2176
	};

2177
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2178

2179 2180 2181
	rtl_patchphy(tp, 0x14, 1 << 5);
	rtl_patchphy(tp, 0x0d, 1 << 5);
	rtl_writephy(tp, 0x1f, 0x0000);
F
Francois Romieu 已提交
2182 2183
}

2184
static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2185
{
2186
	static const struct phy_reg phy_reg_init[] = {
2187
		{ 0x1f, 0x0001 },
2188
		{ 0x12, 0x2300 },
2189 2190 2191 2192 2193 2194 2195
		{ 0x03, 0x802f },
		{ 0x02, 0x4f02 },
		{ 0x01, 0x0409 },
		{ 0x00, 0xf099 },
		{ 0x04, 0x9800 },
		{ 0x04, 0x9000 },
		{ 0x1d, 0x3d98 },
2196 2197
		{ 0x1f, 0x0002 },
		{ 0x0c, 0x7eb8 },
2198 2199 2200
		{ 0x06, 0x0761 },
		{ 0x1f, 0x0003 },
		{ 0x16, 0x0f0a },
2201 2202 2203
		{ 0x1f, 0x0000 }
	};

2204
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2205

2206 2207 2208 2209
	rtl_patchphy(tp, 0x16, 1 << 0);
	rtl_patchphy(tp, 0x14, 1 << 5);
	rtl_patchphy(tp, 0x0d, 1 << 5);
	rtl_writephy(tp, 0x1f, 0x0000);
2210 2211
}

2212
static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
F
Francois Romieu 已提交
2213
{
2214
	static const struct phy_reg phy_reg_init[] = {
F
Francois Romieu 已提交
2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225
		{ 0x1f, 0x0001 },
		{ 0x12, 0x2300 },
		{ 0x1d, 0x3d98 },
		{ 0x1f, 0x0002 },
		{ 0x0c, 0x7eb8 },
		{ 0x06, 0x5461 },
		{ 0x1f, 0x0003 },
		{ 0x16, 0x0f0a },
		{ 0x1f, 0x0000 }
	};

2226
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
F
Francois Romieu 已提交
2227

2228 2229 2230 2231
	rtl_patchphy(tp, 0x16, 1 << 0);
	rtl_patchphy(tp, 0x14, 1 << 5);
	rtl_patchphy(tp, 0x0d, 1 << 5);
	rtl_writephy(tp, 0x1f, 0x0000);
F
Francois Romieu 已提交
2232 2233
}

2234
static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2235
{
2236
	rtl8168c_3_hw_phy_config(tp);
2237 2238
}

2239
static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
F
Francois Romieu 已提交
2240
{
2241
	static const struct phy_reg phy_reg_init_0[] = {
2242
		/* Channel Estimation */
F
Francois Romieu 已提交
2243
		{ 0x1f, 0x0001 },
2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254
		{ 0x06, 0x4064 },
		{ 0x07, 0x2863 },
		{ 0x08, 0x059c },
		{ 0x09, 0x26b4 },
		{ 0x0a, 0x6a19 },
		{ 0x0b, 0xdcc8 },
		{ 0x10, 0xf06d },
		{ 0x14, 0x7f68 },
		{ 0x18, 0x7fd9 },
		{ 0x1c, 0xf0ff },
		{ 0x1d, 0x3d9c },
F
Francois Romieu 已提交
2255
		{ 0x1f, 0x0003 },
2256 2257 2258
		{ 0x12, 0xf49f },
		{ 0x13, 0x070b },
		{ 0x1a, 0x05ad },
2259 2260 2261 2262
		{ 0x14, 0x94c0 },

		/*
		 * Tx Error Issue
F
Francois Romieu 已提交
2263
		 * Enhance line driver power
2264
		 */
F
Francois Romieu 已提交
2265
		{ 0x1f, 0x0002 },
2266 2267 2268
		{ 0x06, 0x5561 },
		{ 0x1f, 0x0005 },
		{ 0x05, 0x8332 },
2269 2270 2271 2272 2273 2274 2275 2276
		{ 0x06, 0x5561 },

		/*
		 * Can not link to 1Gbps with bad cable
		 * Decrease SNR threshold form 21.07dB to 19.04dB
		 */
		{ 0x1f, 0x0001 },
		{ 0x17, 0x0cc0 },
2277

F
Francois Romieu 已提交
2278
		{ 0x1f, 0x0000 },
2279
		{ 0x0d, 0xf880 }
2280
	};
2281
	void __iomem *ioaddr = tp->mmio_addr;
2282

2283
	rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2284

2285 2286 2287 2288
	/*
	 * Rx Error Issue
	 * Fine Tune Switching regulator parameter
	 */
2289 2290 2291
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
	rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2292 2293

	if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2294
		static const struct phy_reg phy_reg_init[] = {
2295 2296 2297 2298 2299 2300 2301 2302 2303
			{ 0x1f, 0x0002 },
			{ 0x05, 0x669a },
			{ 0x1f, 0x0005 },
			{ 0x05, 0x8330 },
			{ 0x06, 0x669a },
			{ 0x1f, 0x0002 }
		};
		int val;

2304
		rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2305

2306
		val = rtl_readphy(tp, 0x0d);
2307 2308

		if ((val & 0x00ff) != 0x006c) {
2309
			static const u32 set[] = {
2310 2311 2312 2313 2314
				0x0065, 0x0066, 0x0067, 0x0068,
				0x0069, 0x006a, 0x006b, 0x006c
			};
			int i;

2315
			rtl_writephy(tp, 0x1f, 0x0002);
2316 2317 2318

			val &= 0xff00;
			for (i = 0; i < ARRAY_SIZE(set); i++)
2319
				rtl_writephy(tp, 0x0d, val | set[i]);
2320 2321
		}
	} else {
2322
		static const struct phy_reg phy_reg_init[] = {
2323 2324 2325 2326 2327 2328 2329
			{ 0x1f, 0x0002 },
			{ 0x05, 0x6662 },
			{ 0x1f, 0x0005 },
			{ 0x05, 0x8330 },
			{ 0x06, 0x6662 }
		};

2330
		rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2331 2332
	}

2333
	/* RSET couple improve */
2334 2335 2336
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_patchphy(tp, 0x0d, 0x0300);
	rtl_patchphy(tp, 0x0f, 0x0010);
2337

2338
	/* Fine tune PLL performance */
2339 2340 2341
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
	rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2342

2343 2344
	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x001b);
2345 2346

	rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2347

2348
	rtl_writephy(tp, 0x1f, 0x0000);
2349 2350
}

2351
static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2352
{
2353
	static const struct phy_reg phy_reg_init_0[] = {
2354
		/* Channel Estimation */
2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372
		{ 0x1f, 0x0001 },
		{ 0x06, 0x4064 },
		{ 0x07, 0x2863 },
		{ 0x08, 0x059c },
		{ 0x09, 0x26b4 },
		{ 0x0a, 0x6a19 },
		{ 0x0b, 0xdcc8 },
		{ 0x10, 0xf06d },
		{ 0x14, 0x7f68 },
		{ 0x18, 0x7fd9 },
		{ 0x1c, 0xf0ff },
		{ 0x1d, 0x3d9c },
		{ 0x1f, 0x0003 },
		{ 0x12, 0xf49f },
		{ 0x13, 0x070b },
		{ 0x1a, 0x05ad },
		{ 0x14, 0x94c0 },

2373 2374
		/*
		 * Tx Error Issue
F
Francois Romieu 已提交
2375
		 * Enhance line driver power
2376
		 */
2377 2378 2379 2380
		{ 0x1f, 0x0002 },
		{ 0x06, 0x5561 },
		{ 0x1f, 0x0005 },
		{ 0x05, 0x8332 },
2381 2382 2383 2384 2385 2386 2387 2388
		{ 0x06, 0x5561 },

		/*
		 * Can not link to 1Gbps with bad cable
		 * Decrease SNR threshold form 21.07dB to 19.04dB
		 */
		{ 0x1f, 0x0001 },
		{ 0x17, 0x0cc0 },
2389 2390

		{ 0x1f, 0x0000 },
2391
		{ 0x0d, 0xf880 }
F
Francois Romieu 已提交
2392
	};
2393
	void __iomem *ioaddr = tp->mmio_addr;
F
Francois Romieu 已提交
2394

2395
	rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
F
Francois Romieu 已提交
2396

2397
	if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2398
		static const struct phy_reg phy_reg_init[] = {
2399 2400
			{ 0x1f, 0x0002 },
			{ 0x05, 0x669a },
F
Francois Romieu 已提交
2401
			{ 0x1f, 0x0005 },
2402 2403 2404 2405 2406 2407 2408
			{ 0x05, 0x8330 },
			{ 0x06, 0x669a },

			{ 0x1f, 0x0002 }
		};
		int val;

2409
		rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2410

2411
		val = rtl_readphy(tp, 0x0d);
2412
		if ((val & 0x00ff) != 0x006c) {
J
Joe Perches 已提交
2413
			static const u32 set[] = {
2414 2415 2416 2417 2418
				0x0065, 0x0066, 0x0067, 0x0068,
				0x0069, 0x006a, 0x006b, 0x006c
			};
			int i;

2419
			rtl_writephy(tp, 0x1f, 0x0002);
2420 2421 2422

			val &= 0xff00;
			for (i = 0; i < ARRAY_SIZE(set); i++)
2423
				rtl_writephy(tp, 0x0d, val | set[i]);
2424 2425
		}
	} else {
2426
		static const struct phy_reg phy_reg_init[] = {
2427 2428
			{ 0x1f, 0x0002 },
			{ 0x05, 0x2642 },
F
Francois Romieu 已提交
2429
			{ 0x1f, 0x0005 },
2430 2431
			{ 0x05, 0x8330 },
			{ 0x06, 0x2642 }
F
Francois Romieu 已提交
2432 2433
		};

2434
		rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
F
Francois Romieu 已提交
2435 2436
	}

2437
	/* Fine tune PLL performance */
2438 2439 2440
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
	rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2441

2442
	/* Switching regulator Slew rate */
2443 2444
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_patchphy(tp, 0x0f, 0x0017);
2445

2446 2447
	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x001b);
2448 2449

	rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2450

2451
	rtl_writephy(tp, 0x1f, 0x0000);
2452 2453
}

2454
static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2455
{
2456
	static const struct phy_reg phy_reg_init[] = {
2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511
		{ 0x1f, 0x0002 },
		{ 0x10, 0x0008 },
		{ 0x0d, 0x006c },

		{ 0x1f, 0x0000 },
		{ 0x0d, 0xf880 },

		{ 0x1f, 0x0001 },
		{ 0x17, 0x0cc0 },

		{ 0x1f, 0x0001 },
		{ 0x0b, 0xa4d8 },
		{ 0x09, 0x281c },
		{ 0x07, 0x2883 },
		{ 0x0a, 0x6b35 },
		{ 0x1d, 0x3da4 },
		{ 0x1c, 0xeffd },
		{ 0x14, 0x7f52 },
		{ 0x18, 0x7fc6 },
		{ 0x08, 0x0601 },
		{ 0x06, 0x4063 },
		{ 0x10, 0xf074 },
		{ 0x1f, 0x0003 },
		{ 0x13, 0x0789 },
		{ 0x12, 0xf4bd },
		{ 0x1a, 0x04fd },
		{ 0x14, 0x84b0 },
		{ 0x1f, 0x0000 },
		{ 0x00, 0x9200 },

		{ 0x1f, 0x0005 },
		{ 0x01, 0x0340 },
		{ 0x1f, 0x0001 },
		{ 0x04, 0x4000 },
		{ 0x03, 0x1d21 },
		{ 0x02, 0x0c32 },
		{ 0x01, 0x0200 },
		{ 0x00, 0x5554 },
		{ 0x04, 0x4800 },
		{ 0x04, 0x4000 },
		{ 0x04, 0xf000 },
		{ 0x03, 0xdf01 },
		{ 0x02, 0xdf20 },
		{ 0x01, 0x101a },
		{ 0x00, 0xa0ff },
		{ 0x04, 0xf800 },
		{ 0x04, 0xf000 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0007 },
		{ 0x1e, 0x0023 },
		{ 0x16, 0x0000 },
		{ 0x1f, 0x0000 }
	};

2512
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
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2513 2514
}

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2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530
static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
{
	static const struct phy_reg phy_reg_init[] = {
		{ 0x1f, 0x0001 },
		{ 0x17, 0x0cc0 },

		{ 0x1f, 0x0007 },
		{ 0x1e, 0x002d },
		{ 0x18, 0x0040 },
		{ 0x1f, 0x0000 }
	};

	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
	rtl_patchphy(tp, 0x0d, 1 << 5);
}

H
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2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560
static void rtl8168e_hw_phy_config(struct rtl8169_private *tp)
{
	static const struct phy_reg phy_reg_init[] = {
		/* Enable Delay cap */
		{ 0x1f, 0x0005 },
		{ 0x05, 0x8b80 },
		{ 0x06, 0xc896 },
		{ 0x1f, 0x0000 },

		/* Channel estimation fine tune */
		{ 0x1f, 0x0001 },
		{ 0x0b, 0x6c20 },
		{ 0x07, 0x2872 },
		{ 0x1c, 0xefff },
		{ 0x1f, 0x0003 },
		{ 0x14, 0x6420 },
		{ 0x1f, 0x0000 },

		/* Update PFM & 10M TX idle timer */
		{ 0x1f, 0x0007 },
		{ 0x1e, 0x002f },
		{ 0x15, 0x1919 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0007 },
		{ 0x1e, 0x00ac },
		{ 0x18, 0x0006 },
		{ 0x1f, 0x0000 }
	};

F
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2561 2562
	rtl_apply_firmware(tp);

H
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2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));

	/* DCO enable for 10M IDLE Power */
	rtl_writephy(tp, 0x1f, 0x0007);
	rtl_writephy(tp, 0x1e, 0x0023);
	rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);

	/* For impedance matching */
	rtl_writephy(tp, 0x1f, 0x0002);
	rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
F
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2574
	rtl_writephy(tp, 0x1f, 0x0000);
H
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2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603

	/* PHY auto speed down */
	rtl_writephy(tp, 0x1f, 0x0007);
	rtl_writephy(tp, 0x1e, 0x002d);
	rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);

	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x8b86);
	rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
	rtl_writephy(tp, 0x1f, 0x0000);

	rtl_writephy(tp, 0x1f, 0x0005);
	rtl_writephy(tp, 0x05, 0x8b85);
	rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
	rtl_writephy(tp, 0x1f, 0x0007);
	rtl_writephy(tp, 0x1e, 0x0020);
	rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
	rtl_writephy(tp, 0x1f, 0x0006);
	rtl_writephy(tp, 0x00, 0x5a00);
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_writephy(tp, 0x0d, 0x0007);
	rtl_writephy(tp, 0x0e, 0x003c);
	rtl_writephy(tp, 0x0d, 0x4007);
	rtl_writephy(tp, 0x0e, 0x0000);
	rtl_writephy(tp, 0x0d, 0x0000);
}

2604
static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
2605
{
2606
	static const struct phy_reg phy_reg_init[] = {
2607 2608 2609 2610 2611 2612
		{ 0x1f, 0x0003 },
		{ 0x08, 0x441d },
		{ 0x01, 0x9100 },
		{ 0x1f, 0x0000 }
	};

2613 2614 2615 2616
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_patchphy(tp, 0x11, 1 << 12);
	rtl_patchphy(tp, 0x19, 1 << 13);
	rtl_patchphy(tp, 0x10, 1 << 15);
2617

2618
	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2619 2620
}

2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641
static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
{
	static const struct phy_reg phy_reg_init[] = {
		{ 0x1f, 0x0005 },
		{ 0x1a, 0x0000 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0004 },
		{ 0x1c, 0x0000 },
		{ 0x1f, 0x0000 },

		{ 0x1f, 0x0001 },
		{ 0x15, 0x7701 },
		{ 0x1f, 0x0000 }
	};

	/* Disable ALDPS before ram code */
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_writephy(tp, 0x18, 0x0310);
	msleep(100);

2642
	rtl_apply_firmware(tp);
2643 2644 2645 2646

	rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
}

2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657
static void rtl_hw_phy_config(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	rtl8169_print_mac_version(tp);

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_01:
		break;
	case RTL_GIGA_MAC_VER_02:
	case RTL_GIGA_MAC_VER_03:
2658
		rtl8169s_hw_phy_config(tp);
2659 2660
		break;
	case RTL_GIGA_MAC_VER_04:
2661
		rtl8169sb_hw_phy_config(tp);
2662
		break;
2663
	case RTL_GIGA_MAC_VER_05:
2664
		rtl8169scd_hw_phy_config(tp);
2665
		break;
2666
	case RTL_GIGA_MAC_VER_06:
2667
		rtl8169sce_hw_phy_config(tp);
2668
		break;
2669 2670 2671
	case RTL_GIGA_MAC_VER_07:
	case RTL_GIGA_MAC_VER_08:
	case RTL_GIGA_MAC_VER_09:
2672
		rtl8102e_hw_phy_config(tp);
2673
		break;
2674
	case RTL_GIGA_MAC_VER_11:
2675
		rtl8168bb_hw_phy_config(tp);
2676 2677
		break;
	case RTL_GIGA_MAC_VER_12:
2678
		rtl8168bef_hw_phy_config(tp);
2679 2680
		break;
	case RTL_GIGA_MAC_VER_17:
2681
		rtl8168bef_hw_phy_config(tp);
2682
		break;
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	case RTL_GIGA_MAC_VER_18:
2684
		rtl8168cp_1_hw_phy_config(tp);
F
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2685 2686
		break;
	case RTL_GIGA_MAC_VER_19:
2687
		rtl8168c_1_hw_phy_config(tp);
F
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2688
		break;
2689
	case RTL_GIGA_MAC_VER_20:
2690
		rtl8168c_2_hw_phy_config(tp);
2691
		break;
F
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2692
	case RTL_GIGA_MAC_VER_21:
2693
		rtl8168c_3_hw_phy_config(tp);
F
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2694
		break;
2695
	case RTL_GIGA_MAC_VER_22:
2696
		rtl8168c_4_hw_phy_config(tp);
2697
		break;
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2698
	case RTL_GIGA_MAC_VER_23:
2699
	case RTL_GIGA_MAC_VER_24:
2700
		rtl8168cp_2_hw_phy_config(tp);
F
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2701
		break;
F
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2702
	case RTL_GIGA_MAC_VER_25:
2703
		rtl8168d_1_hw_phy_config(tp);
2704 2705
		break;
	case RTL_GIGA_MAC_VER_26:
2706
		rtl8168d_2_hw_phy_config(tp);
2707 2708
		break;
	case RTL_GIGA_MAC_VER_27:
2709
		rtl8168d_3_hw_phy_config(tp);
F
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2710
		break;
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2711 2712 2713
	case RTL_GIGA_MAC_VER_28:
		rtl8168d_4_hw_phy_config(tp);
		break;
2714 2715 2716 2717
	case RTL_GIGA_MAC_VER_29:
	case RTL_GIGA_MAC_VER_30:
		rtl8105e_hw_phy_config(tp);
		break;
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2718 2719 2720
	case RTL_GIGA_MAC_VER_31:
		/* None. */
		break;
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2721 2722
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
F
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2723
		rtl8168e_hw_phy_config(tp);
H
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2724
		break;
F
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2725

2726 2727 2728 2729 2730
	default:
		break;
	}
}

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2731 2732 2733 2734 2735 2736 2737 2738
static void rtl8169_phy_timer(unsigned long __opaque)
{
	struct net_device *dev = (struct net_device *)__opaque;
	struct rtl8169_private *tp = netdev_priv(dev);
	struct timer_list *timer = &tp->timer;
	void __iomem *ioaddr = tp->mmio_addr;
	unsigned long timeout = RTL8169_PHY_TIMEOUT;

2739
	assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
L
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2740 2741 2742

	spin_lock_irq(&tp->lock);

2743
	if (tp->phy_reset_pending(tp)) {
2744
		/*
L
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2745 2746 2747 2748 2749 2750 2751 2752 2753 2754
		 * A busy loop could burn quite a few cycles on nowadays CPU.
		 * Let's delay the execution of the timer for a few ticks.
		 */
		timeout = HZ/10;
		goto out_mod_timer;
	}

	if (tp->link_ok(ioaddr))
		goto out_unlock;

2755
	netif_warn(tp, link, dev, "PHY reset until link up\n");
L
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2756

2757
	tp->phy_reset_enable(tp);
L
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2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776

out_mod_timer:
	mod_timer(timer, jiffies + timeout);
out_unlock:
	spin_unlock_irq(&tp->lock);
}

#ifdef CONFIG_NET_POLL_CONTROLLER
/*
 * Polling 'interrupt' - used by things like netconsole to send skbs
 * without having to re-enable interrupts. It's not called while
 * the interrupt routine is executing.
 */
static void rtl8169_netpoll(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	struct pci_dev *pdev = tp->pci_dev;

	disable_irq(pdev->irq);
2777
	rtl8169_interrupt(pdev->irq, dev);
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2778 2779 2780 2781 2782 2783 2784 2785 2786
	enable_irq(pdev->irq);
}
#endif

static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
				  void __iomem *ioaddr)
{
	iounmap(ioaddr);
	pci_release_regions(pdev);
2787
	pci_clear_mwi(pdev);
L
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2788 2789 2790 2791
	pci_disable_device(pdev);
	free_netdev(dev);
}

2792 2793 2794
static void rtl8169_phy_reset(struct net_device *dev,
			      struct rtl8169_private *tp)
{
F
Francois Romieu 已提交
2795
	unsigned int i;
2796

2797
	tp->phy_reset_enable(tp);
2798
	for (i = 0; i < 100; i++) {
2799
		if (!tp->phy_reset_pending(tp))
2800 2801 2802
			return;
		msleep(1);
	}
2803
	netif_err(tp, link, dev, "PHY reset failed\n");
2804 2805
}

2806 2807 2808 2809
static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

2810
	rtl_hw_phy_config(dev);
2811

2812 2813 2814 2815
	if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
		dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
		RTL_W8(0x82, 0x01);
	}
2816

2817 2818 2819 2820
	pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);

	if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
		pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
2821

2822
	if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
2823 2824 2825
		dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
		RTL_W8(0x82, 0x01);
		dprintk("Set PHY Reg 0x0bh = 0x00h\n");
2826
		rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
2827 2828
	}

2829 2830
	rtl8169_phy_reset(dev, tp);

2831
	rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
F
Francois Romieu 已提交
2832 2833 2834 2835 2836
			  ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
			  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
			  (tp->mii.supports_gmii ?
			   ADVERTISED_1000baseT_Half |
			   ADVERTISED_1000baseT_Full : 0));
2837

2838 2839
	if (RTL_R8(PHYstatus) & TBI_Enable)
		netif_info(tp, link, dev, "TBI auto-negotiating\n");
2840 2841
}

2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853
static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
{
	void __iomem *ioaddr = tp->mmio_addr;
	u32 high;
	u32 low;

	low  = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
	high = addr[4] | (addr[5] << 8);

	spin_lock_irq(&tp->lock);

	RTL_W8(Cfg9346, Cfg9346_Unlock);
2854

2855
	RTL_W32(MAC4, high);
2856 2857
	RTL_R32(MAC4);

2858
	RTL_W32(MAC0, low);
2859 2860
	RTL_R32(MAC0);

2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880
	RTL_W8(Cfg9346, Cfg9346_Lock);

	spin_unlock_irq(&tp->lock);
}

static int rtl_set_mac_address(struct net_device *dev, void *p)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	struct sockaddr *addr = p;

	if (!is_valid_ether_addr(addr->sa_data))
		return -EADDRNOTAVAIL;

	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);

	rtl_rar_set(tp, dev->dev_addr);

	return 0;
}

2881 2882 2883 2884 2885
static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	struct mii_ioctl_data *data = if_mii(ifr);

F
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2886 2887
	return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
}
2888

F
Francois Romieu 已提交
2889 2890
static int rtl_xmii_ioctl(struct rtl8169_private *tp,
			  struct mii_ioctl_data *data, int cmd)
F
Francois Romieu 已提交
2891
{
2892 2893 2894 2895 2896 2897
	switch (cmd) {
	case SIOCGMIIPHY:
		data->phy_id = 32; /* Internal PHY */
		return 0;

	case SIOCGMIIREG:
2898
		data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
2899 2900 2901
		return 0;

	case SIOCSMIIREG:
2902
		rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
2903 2904 2905 2906 2907
		return 0;
	}
	return -EOPNOTSUPP;
}

F
Francois Romieu 已提交
2908 2909 2910 2911 2912
static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
{
	return -EOPNOTSUPP;
}

2913 2914 2915 2916 2917 2918
static const struct rtl_cfg_info {
	void (*hw_start)(struct net_device *);
	unsigned int region;
	unsigned int align;
	u16 intr_event;
	u16 napi_event;
2919
	unsigned features;
2920
	u8 default_ver;
2921 2922 2923 2924
} rtl_cfg_infos [] = {
	[RTL_CFG_0] = {
		.hw_start	= rtl_hw_start_8169,
		.region		= 1,
2925
		.align		= 0,
2926 2927
		.intr_event	= SYSErr | LinkChg | RxOverflow |
				  RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
F
Francois Romieu 已提交
2928
		.napi_event	= RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
2929 2930
		.features	= RTL_FEATURE_GMII,
		.default_ver	= RTL_GIGA_MAC_VER_01,
2931 2932 2933 2934 2935
	},
	[RTL_CFG_1] = {
		.hw_start	= rtl_hw_start_8168,
		.region		= 2,
		.align		= 8,
2936
		.intr_event	= SYSErr | LinkChg | RxOverflow |
2937
				  TxErr | TxOK | RxOK | RxErr,
F
Francois Romieu 已提交
2938
		.napi_event	= TxErr | TxOK | RxOK | RxOverflow,
2939 2940
		.features	= RTL_FEATURE_GMII | RTL_FEATURE_MSI,
		.default_ver	= RTL_GIGA_MAC_VER_11,
2941 2942 2943 2944 2945 2946 2947
	},
	[RTL_CFG_2] = {
		.hw_start	= rtl_hw_start_8101,
		.region		= 2,
		.align		= 8,
		.intr_event	= SYSErr | LinkChg | RxOverflow | PCSTimeout |
				  RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
F
Francois Romieu 已提交
2948
		.napi_event	= RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
2949 2950
		.features	= RTL_FEATURE_MSI,
		.default_ver	= RTL_GIGA_MAC_VER_13,
2951 2952 2953
	}
};

F
Francois Romieu 已提交
2954 2955 2956 2957 2958 2959 2960 2961
/* Cfg9346_Unlock assumed. */
static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
			    const struct rtl_cfg_info *cfg)
{
	unsigned msi = 0;
	u8 cfg2;

	cfg2 = RTL_R8(Config2) & ~MSIEnable;
2962
	if (cfg->features & RTL_FEATURE_MSI) {
F
Francois Romieu 已提交
2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981
		if (pci_enable_msi(pdev)) {
			dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
		} else {
			cfg2 |= MSIEnable;
			msi = RTL_FEATURE_MSI;
		}
	}
	RTL_W8(Config2, cfg2);
	return msi;
}

static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
{
	if (tp->features & RTL_FEATURE_MSI) {
		pci_disable_msi(pdev);
		tp->features &= ~RTL_FEATURE_MSI;
	}
}

F
Francois Romieu 已提交
2982 2983 2984 2985
static const struct net_device_ops rtl8169_netdev_ops = {
	.ndo_open		= rtl8169_open,
	.ndo_stop		= rtl8169_close,
	.ndo_get_stats		= rtl8169_get_stats,
2986
	.ndo_start_xmit		= rtl8169_start_xmit,
F
Francois Romieu 已提交
2987 2988 2989
	.ndo_tx_timeout		= rtl8169_tx_timeout,
	.ndo_validate_addr	= eth_validate_addr,
	.ndo_change_mtu		= rtl8169_change_mtu,
2990 2991
	.ndo_fix_features	= rtl8169_fix_features,
	.ndo_set_features	= rtl8169_set_features,
F
Francois Romieu 已提交
2992 2993 2994 2995 2996 2997 2998 2999 3000
	.ndo_set_mac_address	= rtl_set_mac_address,
	.ndo_do_ioctl		= rtl8169_ioctl,
	.ndo_set_multicast_list	= rtl_set_rx_mode,
#ifdef CONFIG_NET_POLL_CONTROLLER
	.ndo_poll_controller	= rtl8169_netpoll,
#endif

};

3001 3002 3003 3004 3005 3006 3007 3008 3009
static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
{
	struct mdio_ops *ops = &tp->mdio_ops;

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_27:
		ops->write	= r8168dp_1_mdio_write;
		ops->read	= r8168dp_1_mdio_read;
		break;
F
françois romieu 已提交
3010
	case RTL_GIGA_MAC_VER_28:
3011
	case RTL_GIGA_MAC_VER_31:
F
françois romieu 已提交
3012 3013 3014
		ops->write	= r8168dp_2_mdio_write;
		ops->read	= r8168dp_2_mdio_read;
		break;
3015 3016 3017 3018 3019 3020 3021
	default:
		ops->write	= r8169_mdio_write;
		ops->read	= r8169_mdio_read;
		break;
	}
}

F
françois romieu 已提交
3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052
static void r810x_phy_power_down(struct rtl8169_private *tp)
{
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
}

static void r810x_phy_power_up(struct rtl8169_private *tp)
{
	rtl_writephy(tp, 0x1f, 0x0000);
	rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
}

static void r810x_pll_power_down(struct rtl8169_private *tp)
{
	if (__rtl8169_get_wol(tp) & WAKE_ANY) {
		rtl_writephy(tp, 0x1f, 0x0000);
		rtl_writephy(tp, MII_BMCR, 0x0000);
		return;
	}

	r810x_phy_power_down(tp);
}

static void r810x_pll_power_up(struct rtl8169_private *tp)
{
	r810x_phy_power_up(tp);
}

static void r8168_phy_power_up(struct rtl8169_private *tp)
{
	rtl_writephy(tp, 0x1f, 0x0000);
H
hayeswang 已提交
3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073
	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_11:
	case RTL_GIGA_MAC_VER_12:
	case RTL_GIGA_MAC_VER_17:
	case RTL_GIGA_MAC_VER_18:
	case RTL_GIGA_MAC_VER_19:
	case RTL_GIGA_MAC_VER_20:
	case RTL_GIGA_MAC_VER_21:
	case RTL_GIGA_MAC_VER_22:
	case RTL_GIGA_MAC_VER_23:
	case RTL_GIGA_MAC_VER_24:
	case RTL_GIGA_MAC_VER_25:
	case RTL_GIGA_MAC_VER_26:
	case RTL_GIGA_MAC_VER_27:
	case RTL_GIGA_MAC_VER_28:
	case RTL_GIGA_MAC_VER_31:
		rtl_writephy(tp, 0x0e, 0x0000);
		break;
	default:
		break;
	}
F
françois romieu 已提交
3074 3075 3076 3077 3078 3079
	rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
}

static void r8168_phy_power_down(struct rtl8169_private *tp)
{
	rtl_writephy(tp, 0x1f, 0x0000);
H
hayeswang 已提交
3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105
	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
		rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
		break;

	case RTL_GIGA_MAC_VER_11:
	case RTL_GIGA_MAC_VER_12:
	case RTL_GIGA_MAC_VER_17:
	case RTL_GIGA_MAC_VER_18:
	case RTL_GIGA_MAC_VER_19:
	case RTL_GIGA_MAC_VER_20:
	case RTL_GIGA_MAC_VER_21:
	case RTL_GIGA_MAC_VER_22:
	case RTL_GIGA_MAC_VER_23:
	case RTL_GIGA_MAC_VER_24:
	case RTL_GIGA_MAC_VER_25:
	case RTL_GIGA_MAC_VER_26:
	case RTL_GIGA_MAC_VER_27:
	case RTL_GIGA_MAC_VER_28:
	case RTL_GIGA_MAC_VER_31:
		rtl_writephy(tp, 0x0e, 0x0200);
	default:
		rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
		break;
	}
F
françois romieu 已提交
3106 3107 3108 3109 3110 3111
}

static void r8168_pll_power_down(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

F
Francois Romieu 已提交
3112 3113 3114
	if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
	     tp->mac_version == RTL_GIGA_MAC_VER_28 ||
	     tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3115
	    r8168dp_check_dash(tp)) {
F
françois romieu 已提交
3116
		return;
3117
	}
F
françois romieu 已提交
3118

F
Francois Romieu 已提交
3119 3120
	if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
	     tp->mac_version == RTL_GIGA_MAC_VER_24) &&
F
françois romieu 已提交
3121 3122 3123 3124
	    (RTL_R16(CPlusCmd) & ASF)) {
		return;
	}

H
hayeswang 已提交
3125 3126 3127 3128
	if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_33)
		rtl_ephy_write(ioaddr, 0x19, 0xff64);

F
françois romieu 已提交
3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142
	if (__rtl8169_get_wol(tp) & WAKE_ANY) {
		rtl_writephy(tp, 0x1f, 0x0000);
		rtl_writephy(tp, MII_BMCR, 0x0000);

		RTL_W32(RxConfig, RTL_R32(RxConfig) |
			AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
		return;
	}

	r8168_phy_power_down(tp);

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_25:
	case RTL_GIGA_MAC_VER_26:
3143 3144
	case RTL_GIGA_MAC_VER_27:
	case RTL_GIGA_MAC_VER_28:
3145
	case RTL_GIGA_MAC_VER_31:
H
hayeswang 已提交
3146 3147
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
F
françois romieu 已提交
3148 3149 3150 3151 3152 3153 3154 3155 3156
		RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
		break;
	}
}

static void r8168_pll_power_up(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;

F
Francois Romieu 已提交
3157 3158 3159
	if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
	     tp->mac_version == RTL_GIGA_MAC_VER_28 ||
	     tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3160
	    r8168dp_check_dash(tp)) {
F
françois romieu 已提交
3161
		return;
3162
	}
F
françois romieu 已提交
3163 3164 3165 3166

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_25:
	case RTL_GIGA_MAC_VER_26:
3167 3168
	case RTL_GIGA_MAC_VER_27:
	case RTL_GIGA_MAC_VER_28:
3169
	case RTL_GIGA_MAC_VER_31:
H
hayeswang 已提交
3170 3171
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
F
françois romieu 已提交
3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205
		RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
		break;
	}

	r8168_phy_power_up(tp);
}

static void rtl_pll_power_op(struct rtl8169_private *tp,
			     void (*op)(struct rtl8169_private *))
{
	if (op)
		op(tp);
}

static void rtl_pll_power_down(struct rtl8169_private *tp)
{
	rtl_pll_power_op(tp, tp->pll_power_ops.down);
}

static void rtl_pll_power_up(struct rtl8169_private *tp)
{
	rtl_pll_power_op(tp, tp->pll_power_ops.up);
}

static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
{
	struct pll_power_ops *ops = &tp->pll_power_ops;

	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_07:
	case RTL_GIGA_MAC_VER_08:
	case RTL_GIGA_MAC_VER_09:
	case RTL_GIGA_MAC_VER_10:
	case RTL_GIGA_MAC_VER_16:
3206 3207
	case RTL_GIGA_MAC_VER_29:
	case RTL_GIGA_MAC_VER_30:
F
françois romieu 已提交
3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224
		ops->down	= r810x_pll_power_down;
		ops->up		= r810x_pll_power_up;
		break;

	case RTL_GIGA_MAC_VER_11:
	case RTL_GIGA_MAC_VER_12:
	case RTL_GIGA_MAC_VER_17:
	case RTL_GIGA_MAC_VER_18:
	case RTL_GIGA_MAC_VER_19:
	case RTL_GIGA_MAC_VER_20:
	case RTL_GIGA_MAC_VER_21:
	case RTL_GIGA_MAC_VER_22:
	case RTL_GIGA_MAC_VER_23:
	case RTL_GIGA_MAC_VER_24:
	case RTL_GIGA_MAC_VER_25:
	case RTL_GIGA_MAC_VER_26:
	case RTL_GIGA_MAC_VER_27:
F
françois romieu 已提交
3225
	case RTL_GIGA_MAC_VER_28:
3226
	case RTL_GIGA_MAC_VER_31:
H
hayeswang 已提交
3227 3228
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
F
françois romieu 已提交
3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239
		ops->down	= r8168_pll_power_down;
		ops->up		= r8168_pll_power_up;
		break;

	default:
		ops->down	= NULL;
		ops->up		= NULL;
		break;
	}
}

3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255
static void rtl_hw_reset(struct rtl8169_private *tp)
{
	void __iomem *ioaddr = tp->mmio_addr;
	int i;

	/* Soft reset the chip. */
	RTL_W8(ChipCmd, CmdReset);

	/* Check that the chip has finished the reset. */
	for (i = 0; i < 100; i++) {
		if ((RTL_R8(ChipCmd) & CmdReset) == 0)
			break;
		msleep_interruptible(1);
	}
}

L
Linus Torvalds 已提交
3256
static int __devinit
3257
rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
L
Linus Torvalds 已提交
3258
{
3259 3260
	const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
	const unsigned int region = cfg->region;
L
Linus Torvalds 已提交
3261
	struct rtl8169_private *tp;
3262
	struct mii_if_info *mii;
3263 3264
	struct net_device *dev;
	void __iomem *ioaddr;
F
Francois Romieu 已提交
3265
	int chipset, i;
F
Francois Romieu 已提交
3266
	int rc;
L
Linus Torvalds 已提交
3267

3268 3269 3270 3271
	if (netif_msg_drv(&debug)) {
		printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
		       MODULENAME, RTL8169_VERSION);
	}
L
Linus Torvalds 已提交
3272 3273

	dev = alloc_etherdev(sizeof (*tp));
3274
	if (!dev) {
3275
		if (netif_msg_drv(&debug))
3276
			dev_err(&pdev->dev, "unable to alloc new ethernet\n");
3277 3278
		rc = -ENOMEM;
		goto out;
L
Linus Torvalds 已提交
3279 3280 3281
	}

	SET_NETDEV_DEV(dev, &pdev->dev);
F
Francois Romieu 已提交
3282
	dev->netdev_ops = &rtl8169_netdev_ops;
L
Linus Torvalds 已提交
3283
	tp = netdev_priv(dev);
D
David Howells 已提交
3284
	tp->dev = dev;
3285
	tp->pci_dev = pdev;
3286
	tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
L
Linus Torvalds 已提交
3287

3288 3289 3290 3291 3292 3293 3294 3295
	mii = &tp->mii;
	mii->dev = dev;
	mii->mdio_read = rtl_mdio_read;
	mii->mdio_write = rtl_mdio_write;
	mii->phy_id_mask = 0x1f;
	mii->reg_num_mask = 0x1f;
	mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);

S
Stanislaw Gruszka 已提交
3296 3297 3298 3299 3300
	/* disable ASPM completely as that cause random device stop working
	 * problems as well as full system hangs for some PCIe devices users */
	pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
				     PCIE_LINK_STATE_CLKPM);

L
Linus Torvalds 已提交
3301 3302
	/* enable device (incl. PCI PM wakeup and hotplug setup) */
	rc = pci_enable_device(pdev);
3303
	if (rc < 0) {
3304
		netif_err(tp, probe, dev, "enable failure\n");
3305
		goto err_out_free_dev_1;
L
Linus Torvalds 已提交
3306 3307
	}

3308 3309
	if (pci_set_mwi(pdev) < 0)
		netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
L
Linus Torvalds 已提交
3310 3311

	/* make sure PCI base addr 1 is MMIO */
3312
	if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
3313 3314 3315
		netif_err(tp, probe, dev,
			  "region #%d not an MMIO resource, aborting\n",
			  region);
L
Linus Torvalds 已提交
3316
		rc = -ENODEV;
3317
		goto err_out_mwi_2;
L
Linus Torvalds 已提交
3318
	}
3319

L
Linus Torvalds 已提交
3320
	/* check for weird/broken PCI region reporting */
3321
	if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
3322 3323
		netif_err(tp, probe, dev,
			  "Invalid PCI region size(s), aborting\n");
L
Linus Torvalds 已提交
3324
		rc = -ENODEV;
3325
		goto err_out_mwi_2;
L
Linus Torvalds 已提交
3326 3327 3328
	}

	rc = pci_request_regions(pdev, MODULENAME);
3329
	if (rc < 0) {
3330
		netif_err(tp, probe, dev, "could not request regions\n");
3331
		goto err_out_mwi_2;
L
Linus Torvalds 已提交
3332 3333
	}

3334
	tp->cp_cmd = RxChkSum;
L
Linus Torvalds 已提交
3335 3336

	if ((sizeof(dma_addr_t) > 4) &&
3337
	    !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
L
Linus Torvalds 已提交
3338 3339 3340
		tp->cp_cmd |= PCIDAC;
		dev->features |= NETIF_F_HIGHDMA;
	} else {
3341
		rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
L
Linus Torvalds 已提交
3342
		if (rc < 0) {
3343
			netif_err(tp, probe, dev, "DMA configuration failed\n");
3344
			goto err_out_free_res_3;
L
Linus Torvalds 已提交
3345 3346 3347 3348
		}
	}

	/* ioremap MMIO region */
3349
	ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
3350
	if (!ioaddr) {
3351
		netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
L
Linus Torvalds 已提交
3352
		rc = -EIO;
3353
		goto err_out_free_res_3;
L
Linus Torvalds 已提交
3354
	}
3355
	tp->mmio_addr = ioaddr;
L
Linus Torvalds 已提交
3356

3357 3358 3359 3360
	tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
	if (!tp->pcie_cap)
		netif_info(tp, probe, dev, "no PCI Express capability\n");

3361
	RTL_W16(IntrMask, 0x0000);
L
Linus Torvalds 已提交
3362

3363
	rtl_hw_reset(tp);
L
Linus Torvalds 已提交
3364

3365 3366
	RTL_W16(IntrStatus, 0xffff);

3367 3368
	pci_set_master(pdev);

L
Linus Torvalds 已提交
3369
	/* Identify chip attached to board */
3370
	rtl8169_get_mac_version(tp, dev, cfg->default_ver);
L
Linus Torvalds 已提交
3371

3372 3373 3374 3375 3376 3377 3378
	/*
	 * Pretend we are using VLANs; This bypasses a nasty bug where
	 * Interrupts stop flowing on high load on 8110SCd controllers.
	 */
	if (tp->mac_version == RTL_GIGA_MAC_VER_05)
		tp->cp_cmd |= RxVlan;

3379
	rtl_init_mdio_ops(tp);
F
françois romieu 已提交
3380
	rtl_init_pll_power_ops(tp);
3381

L
Linus Torvalds 已提交
3382 3383
	rtl8169_print_mac_version(tp);

3384 3385
	chipset = tp->mac_version;
	tp->txd_version = rtl_chip_infos[chipset].txd_version;
L
Linus Torvalds 已提交
3386

3387 3388 3389
	RTL_W8(Cfg9346, Cfg9346_Unlock);
	RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
	RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
B
Bruno Prémont 已提交
3390 3391 3392 3393
	if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
		tp->features |= RTL_FEATURE_WOL;
	if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
		tp->features |= RTL_FEATURE_WOL;
F
Francois Romieu 已提交
3394
	tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
3395 3396
	RTL_W8(Cfg9346, Cfg9346_Lock);

3397 3398
	if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
	    (RTL_R8(PHYstatus) & TBI_Enable)) {
L
Linus Torvalds 已提交
3399 3400 3401 3402 3403
		tp->set_speed = rtl8169_set_speed_tbi;
		tp->get_settings = rtl8169_gset_tbi;
		tp->phy_reset_enable = rtl8169_tbi_reset_enable;
		tp->phy_reset_pending = rtl8169_tbi_reset_pending;
		tp->link_ok = rtl8169_tbi_link_ok;
F
Francois Romieu 已提交
3404
		tp->do_ioctl = rtl_tbi_ioctl;
L
Linus Torvalds 已提交
3405 3406 3407 3408 3409 3410
	} else {
		tp->set_speed = rtl8169_set_speed_xmii;
		tp->get_settings = rtl8169_gset_xmii;
		tp->phy_reset_enable = rtl8169_xmii_reset_enable;
		tp->phy_reset_pending = rtl8169_xmii_reset_pending;
		tp->link_ok = rtl8169_xmii_link_ok;
F
Francois Romieu 已提交
3411
		tp->do_ioctl = rtl_xmii_ioctl;
L
Linus Torvalds 已提交
3412 3413
	}

F
Francois Romieu 已提交
3414 3415
	spin_lock_init(&tp->lock);

3416
	/* Get MAC address */
L
Linus Torvalds 已提交
3417 3418
	for (i = 0; i < MAC_ADDR_LEN; i++)
		dev->dev_addr[i] = RTL_R8(MAC0 + i);
3419
	memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
L
Linus Torvalds 已提交
3420 3421 3422 3423 3424 3425

	SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
	dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
	dev->irq = pdev->irq;
	dev->base_addr = (unsigned long) ioaddr;

3426
	netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
L
Linus Torvalds 已提交
3427

3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440
	/* don't enable SG, IP_CSUM and TSO by default - it might not work
	 * properly for all devices */
	dev->features |= NETIF_F_RXCSUM |
		NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;

	dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
		NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
	dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
		NETIF_F_HIGHDMA;

	if (tp->mac_version == RTL_GIGA_MAC_VER_05)
		/* 8110SCd requires hardware Rx VLAN - disallow toggling */
		dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
L
Linus Torvalds 已提交
3441 3442

	tp->intr_mask = 0xffff;
3443 3444 3445
	tp->hw_start = cfg->hw_start;
	tp->intr_event = cfg->intr_event;
	tp->napi_event = cfg->napi_event;
L
Linus Torvalds 已提交
3446

3447 3448 3449 3450
	init_timer(&tp->timer);
	tp->timer.data = (unsigned long) dev;
	tp->timer.function = rtl8169_phy_timer;

3451
	tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
3452

L
Linus Torvalds 已提交
3453
	rc = register_netdev(dev);
3454
	if (rc < 0)
3455
		goto err_out_msi_4;
L
Linus Torvalds 已提交
3456 3457 3458

	pci_set_drvdata(pdev, dev);

3459
	netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
3460
		   rtl_chip_infos[chipset].name, dev->base_addr, dev->dev_addr,
3461
		   (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
L
Linus Torvalds 已提交
3462

F
Francois Romieu 已提交
3463 3464 3465
	if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_28 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_31) {
F
françois romieu 已提交
3466
		rtl8168_driver_start(tp);
F
françois romieu 已提交
3467
	}
F
françois romieu 已提交
3468

B
Bruno Prémont 已提交
3469
	device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
L
Linus Torvalds 已提交
3470

3471 3472
	if (pci_dev_run_wake(pdev))
		pm_runtime_put_noidle(&pdev->dev);
3473

3474 3475
	netif_carrier_off(dev);

3476 3477
out:
	return rc;
L
Linus Torvalds 已提交
3478

3479
err_out_msi_4:
F
Francois Romieu 已提交
3480
	rtl_disable_msi(pdev, tp);
3481
	iounmap(ioaddr);
3482
err_out_free_res_3:
3483
	pci_release_regions(pdev);
3484
err_out_mwi_2:
3485 3486 3487 3488 3489
	pci_clear_mwi(pdev);
	pci_disable_device(pdev);
err_out_free_dev_1:
	free_netdev(dev);
	goto out;
L
Linus Torvalds 已提交
3490 3491
}

F
Francois Romieu 已提交
3492
static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
L
Linus Torvalds 已提交
3493 3494 3495 3496
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct rtl8169_private *tp = netdev_priv(dev);

F
Francois Romieu 已提交
3497 3498 3499
	if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_28 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_31) {
F
françois romieu 已提交
3500
		rtl8168_driver_stop(tp);
F
françois romieu 已提交
3501
	}
F
françois romieu 已提交
3502

3503
	cancel_delayed_work_sync(&tp->task);
3504

L
Linus Torvalds 已提交
3505
	unregister_netdev(dev);
3506

3507 3508
	rtl_release_firmware(tp);

3509 3510
	if (pci_dev_run_wake(pdev))
		pm_runtime_get_noresume(&pdev->dev);
3511

3512 3513 3514
	/* restore original MAC address */
	rtl_rar_set(tp, dev->perm_addr);

F
Francois Romieu 已提交
3515
	rtl_disable_msi(pdev, tp);
L
Linus Torvalds 已提交
3516 3517 3518 3519
	rtl8169_release_board(pdev, dev, tp->mmio_addr);
	pci_set_drvdata(pdev, NULL);
}

3520
static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
3521
{
3522 3523 3524
	struct rtl_fw *rtl_fw;
	const char *name;
	int rc = -ENOMEM;
3525

3526 3527 3528
	name = rtl_lookup_firmware_name(tp);
	if (!name)
		goto out_no_firmware;
3529

3530 3531 3532
	rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
	if (!rtl_fw)
		goto err_warn;
3533

3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555
	rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
	if (rc < 0)
		goto err_free;

	tp->rtl_fw = rtl_fw;
out:
	return;

err_free:
	kfree(rtl_fw);
err_warn:
	netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
		   name, rc);
out_no_firmware:
	tp->rtl_fw = NULL;
	goto out;
}

static void rtl_request_firmware(struct rtl8169_private *tp)
{
	if (IS_ERR(tp->rtl_fw))
		rtl_request_uncached_firmware(tp);
3556 3557
}

L
Linus Torvalds 已提交
3558 3559 3560
static int rtl8169_open(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
3561
	void __iomem *ioaddr = tp->mmio_addr;
L
Linus Torvalds 已提交
3562
	struct pci_dev *pdev = tp->pci_dev;
3563
	int retval = -ENOMEM;
L
Linus Torvalds 已提交
3564

3565
	pm_runtime_get_sync(&pdev->dev);
L
Linus Torvalds 已提交
3566 3567 3568

	/*
	 * Rx and Tx desscriptors needs 256 bytes alignment.
3569
	 * dma_alloc_coherent provides more.
L
Linus Torvalds 已提交
3570
	 */
3571 3572
	tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
					     &tp->TxPhyAddr, GFP_KERNEL);
L
Linus Torvalds 已提交
3573
	if (!tp->TxDescArray)
3574
		goto err_pm_runtime_put;
L
Linus Torvalds 已提交
3575

3576 3577
	tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
					     &tp->RxPhyAddr, GFP_KERNEL);
L
Linus Torvalds 已提交
3578
	if (!tp->RxDescArray)
3579
		goto err_free_tx_0;
L
Linus Torvalds 已提交
3580 3581 3582

	retval = rtl8169_init_ring(dev);
	if (retval < 0)
3583
		goto err_free_rx_1;
L
Linus Torvalds 已提交
3584

D
David Howells 已提交
3585
	INIT_DELAYED_WORK(&tp->task, NULL);
L
Linus Torvalds 已提交
3586

3587 3588
	smp_mb();

3589 3590
	rtl_request_firmware(tp);

F
Francois Romieu 已提交
3591 3592
	retval = request_irq(dev->irq, rtl8169_interrupt,
			     (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
3593 3594
			     dev->name, dev);
	if (retval < 0)
3595
		goto err_release_fw_2;
3596

3597 3598
	napi_enable(&tp->napi);

3599 3600
	rtl8169_init_phy(dev, tp);

3601
	rtl8169_set_features(dev, dev->features);
3602

F
françois romieu 已提交
3603 3604
	rtl_pll_power_up(tp);

3605
	rtl_hw_start(dev);
L
Linus Torvalds 已提交
3606

3607 3608 3609
	tp->saved_wolopts = 0;
	pm_runtime_put_noidle(&pdev->dev);

3610
	rtl8169_check_link_status(dev, tp, ioaddr);
L
Linus Torvalds 已提交
3611 3612 3613
out:
	return retval;

3614 3615
err_release_fw_2:
	rtl_release_firmware(tp);
3616 3617
	rtl8169_rx_clear(tp);
err_free_rx_1:
3618 3619
	dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
			  tp->RxPhyAddr);
3620
	tp->RxDescArray = NULL;
3621
err_free_tx_0:
3622 3623
	dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
			  tp->TxPhyAddr);
3624 3625 3626
	tp->TxDescArray = NULL;
err_pm_runtime_put:
	pm_runtime_put_noidle(&pdev->dev);
L
Linus Torvalds 已提交
3627 3628 3629
	goto out;
}

F
françois romieu 已提交
3630
static void rtl8169_hw_reset(struct rtl8169_private *tp)
L
Linus Torvalds 已提交
3631
{
F
françois romieu 已提交
3632 3633
	void __iomem *ioaddr = tp->mmio_addr;

L
Linus Torvalds 已提交
3634 3635 3636
	/* Disable interrupts */
	rtl8169_irq_mask_and_ack(ioaddr);

3637
	if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3638 3639
	    tp->mac_version == RTL_GIGA_MAC_VER_28 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_31) {
F
françois romieu 已提交
3640 3641 3642 3643 3644
		while (RTL_R8(TxPoll) & NPQ)
			udelay(20);

	}

L
Linus Torvalds 已提交
3645 3646 3647 3648 3649 3650 3651
	/* Reset the chipset */
	RTL_W8(ChipCmd, CmdReset);

	/* PCI commit */
	RTL_R8(ChipCmd);
}

3652
static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
3653 3654 3655 3656
{
	void __iomem *ioaddr = tp->mmio_addr;
	u32 cfg = rtl8169_rx_config;

F
Francois Romieu 已提交
3657
	cfg |= (RTL_R32(RxConfig) & RTL_RX_CONFIG_MASK);
3658 3659 3660 3661 3662 3663 3664
	RTL_W32(RxConfig, cfg);

	/* Set DMA burst size and Interframe Gap Time */
	RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
		(InterFrameGap << TxInterFrameGapShift));
}

3665
static void rtl_hw_start(struct net_device *dev)
L
Linus Torvalds 已提交
3666 3667 3668
{
	struct rtl8169_private *tp = netdev_priv(dev);

3669
	rtl_hw_reset(tp);
L
Linus Torvalds 已提交
3670

3671 3672 3673 3674 3675
	tp->hw_start(dev);

	netif_start_queue(dev);
}

3676 3677 3678 3679 3680 3681 3682 3683 3684
static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
					 void __iomem *ioaddr)
{
	/*
	 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
	 * register to be written before TxDescAddrLow to work.
	 * Switching from MMIO to I/O access fixes the issue as well.
	 */
	RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
3685
	RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
3686
	RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
3687
	RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698
}

static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
{
	u16 cmd;

	cmd = RTL_R16(CPlusCmd);
	RTL_W16(CPlusCmd, cmd);
	return cmd;
}

3699
static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
3700 3701
{
	/* Low hurts. Let's disable the filtering. */
3702
	RTL_W16(RxMaxSize, rx_buf_sz + 1);
3703 3704
}

3705 3706
static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
{
3707
	static const struct {
3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720
		u32 mac_version;
		u32 clk;
		u32 val;
	} cfg2_info [] = {
		{ RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
		{ RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
		{ RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
		{ RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
	}, *p = cfg2_info;
	unsigned int i;
	u32 clk;

	clk = RTL_R8(Config2) & PCI_Clock_66MHz;
3721
	for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
3722 3723 3724 3725 3726 3727 3728
		if ((p->mac_version == mac_version) && (p->clk == clk)) {
			RTL_W32(0x7c, p->val);
			break;
		}
	}
}

3729 3730 3731 3732 3733 3734
static void rtl_hw_start_8169(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;

3735 3736 3737 3738 3739
	if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
		RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
		pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
	}

L
Linus Torvalds 已提交
3740
	RTL_W8(Cfg9346, Cfg9346_Unlock);
F
Francois Romieu 已提交
3741 3742 3743 3744
	if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_02 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_03 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_04)
3745 3746
		RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);

3747
	RTL_W8(EarlyTxThres, NoEarlyTx);
L
Linus Torvalds 已提交
3748

E
Eric Dumazet 已提交
3749
	rtl_set_rx_max_size(ioaddr, rx_buf_sz);
L
Linus Torvalds 已提交
3750

F
Francois Romieu 已提交
3751 3752 3753 3754
	if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_02 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_03 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_04)
3755
		rtl_set_rx_tx_config_registers(tp);
L
Linus Torvalds 已提交
3756

3757
	tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
L
Linus Torvalds 已提交
3758

F
Francois Romieu 已提交
3759 3760
	if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_03) {
3761
		dprintk("Set MAC Reg C+CR Offset 0xE0. "
L
Linus Torvalds 已提交
3762
			"Bit-3 and bit-14 MUST be 1\n");
3763
		tp->cp_cmd |= (1 << 14);
L
Linus Torvalds 已提交
3764 3765
	}

3766 3767
	RTL_W16(CPlusCmd, tp->cp_cmd);

3768 3769
	rtl8169_set_magic_reg(ioaddr, tp->mac_version);

L
Linus Torvalds 已提交
3770 3771 3772 3773 3774 3775
	/*
	 * Undocumented corner. Supposedly:
	 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
	 */
	RTL_W16(IntrMitigate, 0x0000);

3776
	rtl_set_rx_tx_desc_registers(tp, ioaddr);
3777

F
Francois Romieu 已提交
3778 3779 3780 3781
	if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
	    tp->mac_version != RTL_GIGA_MAC_VER_02 &&
	    tp->mac_version != RTL_GIGA_MAC_VER_03 &&
	    tp->mac_version != RTL_GIGA_MAC_VER_04) {
3782 3783 3784 3785
		RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
		rtl_set_rx_tx_config_registers(tp);
	}

L
Linus Torvalds 已提交
3786
	RTL_W8(Cfg9346, Cfg9346_Lock);
F
Francois Romieu 已提交
3787 3788 3789

	/* Initially a 10 us delay. Turned it into a PCI commit. - FR */
	RTL_R8(IntrMask);
L
Linus Torvalds 已提交
3790 3791 3792

	RTL_W32(RxMissed, 0);

3793
	rtl_set_rx_mode(dev);
L
Linus Torvalds 已提交
3794 3795 3796

	/* no early-rx interrupts */
	RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
3797 3798

	/* Enable all known interrupts by setting the interrupt mask. */
3799
	RTL_W16(IntrMask, tp->intr_event);
3800
}
L
Linus Torvalds 已提交
3801

3802
static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
3803
{
3804 3805 3806 3807 3808 3809
	struct net_device *dev = pci_get_drvdata(pdev);
	struct rtl8169_private *tp = netdev_priv(dev);
	int cap = tp->pcie_cap;

	if (cap) {
		u16 ctl;
3810

3811 3812 3813 3814
		pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
		ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
		pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
	}
3815 3816
}

3817
static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
3818 3819 3820 3821
{
	u32 csi;

	csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
3822 3823 3824
	rtl_csi_write(ioaddr, 0x070c, csi | bits);
}

F
françois romieu 已提交
3825 3826 3827 3828 3829
static void rtl_csi_access_enable_1(void __iomem *ioaddr)
{
	rtl_csi_access_enable(ioaddr, 0x17000000);
}

3830 3831 3832
static void rtl_csi_access_enable_2(void __iomem *ioaddr)
{
	rtl_csi_access_enable(ioaddr, 0x27000000);
3833 3834 3835 3836 3837 3838 3839 3840
}

struct ephy_info {
	unsigned int offset;
	u16 mask;
	u16 bits;
};

3841
static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
3842 3843 3844 3845 3846 3847 3848 3849 3850 3851
{
	u16 w;

	while (len-- > 0) {
		w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
		rtl_ephy_write(ioaddr, e->offset, w);
		e++;
	}
}

3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866
static void rtl_disable_clock_request(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct rtl8169_private *tp = netdev_priv(dev);
	int cap = tp->pcie_cap;

	if (cap) {
		u16 ctl;

		pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
		ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
		pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
	}
}

F
françois romieu 已提交
3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881
static void rtl_enable_clock_request(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct rtl8169_private *tp = netdev_priv(dev);
	int cap = tp->pcie_cap;

	if (cap) {
		u16 ctl;

		pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
		ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
		pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
	}
}

3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892
#define R8168_CPCMD_QUIRK_MASK (\
	EnableBist | \
	Mac_dbgo_oe | \
	Force_half_dup | \
	Force_rxflow_en | \
	Force_txflow_en | \
	Cxpl_dbg_sel | \
	ASF | \
	PktCntrDisable | \
	Mac_dbgo_sel)

3893 3894
static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
{
3895 3896 3897 3898
	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);

3899 3900
	rtl_tx_performance_tweak(pdev,
		(0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
3901 3902 3903 3904 3905
}

static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
{
	rtl_hw_start_8168bb(ioaddr, pdev);
3906

3907
	RTL_W8(MaxTxPacketSize, TxPacketMax);
3908 3909

	RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
3910 3911 3912 3913
}

static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
{
3914 3915 3916 3917
	RTL_W8(Config1, RTL_R8(Config1) | Speed_down);

	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

3918
	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3919 3920 3921 3922

	rtl_disable_clock_request(pdev);

	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3923 3924
}

F
Francois Romieu 已提交
3925
static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
3926
{
3927
	static const struct ephy_info e_info_8168cp[] = {
3928 3929 3930 3931 3932 3933 3934
		{ 0x01, 0,	0x0001 },
		{ 0x02, 0x0800,	0x1000 },
		{ 0x03, 0,	0x0042 },
		{ 0x06, 0x0080,	0x0000 },
		{ 0x07, 0,	0x2000 }
	};

3935
	rtl_csi_access_enable_2(ioaddr);
3936 3937 3938

	rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));

3939 3940 3941
	__rtl_hw_start_8168cp(ioaddr, pdev);
}

F
Francois Romieu 已提交
3942 3943
static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
{
3944
	rtl_csi_access_enable_2(ioaddr);
F
Francois Romieu 已提交
3945 3946 3947 3948 3949 3950 3951 3952

	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}

3953 3954
static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
{
3955
	rtl_csi_access_enable_2(ioaddr);
3956 3957 3958 3959 3960 3961

	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

	/* Magic. */
	RTL_W8(DBG_REG, 0x20);

3962
	RTL_W8(MaxTxPacketSize, TxPacketMax);
3963 3964 3965 3966 3967 3968

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}

3969 3970
static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
{
3971
	static const struct ephy_info e_info_8168c_1[] = {
3972 3973 3974 3975 3976
		{ 0x02, 0x0800,	0x1000 },
		{ 0x03, 0,	0x0002 },
		{ 0x06, 0x0080,	0x0000 }
	};

3977
	rtl_csi_access_enable_2(ioaddr);
3978 3979 3980 3981 3982

	RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);

	rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));

3983 3984 3985 3986 3987
	__rtl_hw_start_8168cp(ioaddr, pdev);
}

static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
{
3988
	static const struct ephy_info e_info_8168c_2[] = {
3989 3990 3991 3992
		{ 0x01, 0,	0x0001 },
		{ 0x03, 0x0400,	0x0220 }
	};

3993
	rtl_csi_access_enable_2(ioaddr);
3994 3995 3996

	rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));

3997 3998 3999
	__rtl_hw_start_8168cp(ioaddr, pdev);
}

F
Francois Romieu 已提交
4000 4001 4002 4003 4004
static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
{
	rtl_hw_start_8168c_2(ioaddr, pdev);
}

4005 4006
static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
{
4007
	rtl_csi_access_enable_2(ioaddr);
4008 4009 4010 4011

	__rtl_hw_start_8168cp(ioaddr, pdev);
}

F
Francois Romieu 已提交
4012 4013
static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
{
4014
	rtl_csi_access_enable_2(ioaddr);
F
Francois Romieu 已提交
4015 4016 4017

	rtl_disable_clock_request(pdev);

4018
	RTL_W8(MaxTxPacketSize, TxPacketMax);
F
Francois Romieu 已提交
4019 4020 4021 4022 4023 4024

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}

4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035
static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
{
	rtl_csi_access_enable_1(ioaddr);

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W8(MaxTxPacketSize, TxPacketMax);

	rtl_disable_clock_request(pdev);
}

F
françois romieu 已提交
4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061
static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
{
	static const struct ephy_info e_info_8168d_4[] = {
		{ 0x0b, ~0,	0x48 },
		{ 0x19, 0x20,	0x50 },
		{ 0x0c, ~0,	0x20 }
	};
	int i;

	rtl_csi_access_enable_1(ioaddr);

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W8(MaxTxPacketSize, TxPacketMax);

	for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
		const struct ephy_info *e = e_info_8168d_4 + i;
		u16 w;

		w = rtl_ephy_read(ioaddr, e->offset);
		rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
	}

	rtl_enable_clock_request(pdev);
}

H
hayeswang 已提交
4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090
static void rtl_hw_start_8168e(void __iomem *ioaddr, struct pci_dev *pdev)
{
	static const struct ephy_info e_info_8168e[] = {
		{ 0x00, 0x0200,	0x0100 },
		{ 0x00, 0x0000,	0x0004 },
		{ 0x06, 0x0002,	0x0001 },
		{ 0x06, 0x0000,	0x0030 },
		{ 0x07, 0x0000,	0x2000 },
		{ 0x00, 0x0000,	0x0020 },
		{ 0x03, 0x5800,	0x2000 },
		{ 0x03, 0x0000,	0x0001 },
		{ 0x01, 0x0800,	0x1000 },
		{ 0x07, 0x0000,	0x4000 },
		{ 0x1e, 0x0000,	0x2000 },
		{ 0x19, 0xffff,	0xfe6c },
		{ 0x0a, 0x0000,	0x0040 }
	};

	rtl_csi_access_enable_2(ioaddr);

	rtl_ephy_init(ioaddr, e_info_8168e, ARRAY_SIZE(e_info_8168e));

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W8(MaxTxPacketSize, TxPacketMax);

	rtl_disable_clock_request(pdev);

	/* Reset tx FIFO pointer */
F
Francois Romieu 已提交
4091 4092
	RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
	RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
H
hayeswang 已提交
4093

F
Francois Romieu 已提交
4094
	RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
H
hayeswang 已提交
4095 4096
}

4097 4098
static void rtl_hw_start_8168(struct net_device *dev)
{
4099 4100
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
4101
	struct pci_dev *pdev = tp->pci_dev;
4102 4103 4104

	RTL_W8(Cfg9346, Cfg9346_Unlock);

4105
	RTL_W8(MaxTxPacketSize, TxPacketMax);
4106

E
Eric Dumazet 已提交
4107
	rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4108

4109
	tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
4110 4111 4112

	RTL_W16(CPlusCmd, tp->cp_cmd);

4113
	RTL_W16(IntrMitigate, 0x5151);
4114

4115
	/* Work around for RxFIFO overflow. */
4116 4117
	if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_22) {
4118 4119 4120 4121 4122
		tp->intr_event |= RxFIFOOver | PCSTimeout;
		tp->intr_event &= ~RxOverflow;
	}

	rtl_set_rx_tx_desc_registers(tp, ioaddr);
4123

4124 4125 4126 4127
	rtl_set_rx_mode(dev);

	RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
		(InterFrameGap << TxInterFrameGapShift));
4128 4129 4130

	RTL_R8(IntrMask);

4131 4132 4133
	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_11:
		rtl_hw_start_8168bb(ioaddr, pdev);
4134
		break;
4135 4136 4137 4138

	case RTL_GIGA_MAC_VER_12:
	case RTL_GIGA_MAC_VER_17:
		rtl_hw_start_8168bef(ioaddr, pdev);
4139
		break;
4140 4141

	case RTL_GIGA_MAC_VER_18:
F
Francois Romieu 已提交
4142
		rtl_hw_start_8168cp_1(ioaddr, pdev);
4143
		break;
4144 4145 4146

	case RTL_GIGA_MAC_VER_19:
		rtl_hw_start_8168c_1(ioaddr, pdev);
4147
		break;
4148 4149 4150

	case RTL_GIGA_MAC_VER_20:
		rtl_hw_start_8168c_2(ioaddr, pdev);
4151
		break;
4152

F
Francois Romieu 已提交
4153 4154
	case RTL_GIGA_MAC_VER_21:
		rtl_hw_start_8168c_3(ioaddr, pdev);
4155
		break;
F
Francois Romieu 已提交
4156

4157 4158
	case RTL_GIGA_MAC_VER_22:
		rtl_hw_start_8168c_4(ioaddr, pdev);
4159
		break;
4160

F
Francois Romieu 已提交
4161 4162
	case RTL_GIGA_MAC_VER_23:
		rtl_hw_start_8168cp_2(ioaddr, pdev);
4163
		break;
F
Francois Romieu 已提交
4164

4165 4166
	case RTL_GIGA_MAC_VER_24:
		rtl_hw_start_8168cp_3(ioaddr, pdev);
4167
		break;
4168

F
Francois Romieu 已提交
4169
	case RTL_GIGA_MAC_VER_25:
4170 4171
	case RTL_GIGA_MAC_VER_26:
	case RTL_GIGA_MAC_VER_27:
F
Francois Romieu 已提交
4172
		rtl_hw_start_8168d(ioaddr, pdev);
4173
		break;
F
Francois Romieu 已提交
4174

F
françois romieu 已提交
4175 4176
	case RTL_GIGA_MAC_VER_28:
		rtl_hw_start_8168d_4(ioaddr, pdev);
4177
		break;
F
Francois Romieu 已提交
4178

4179 4180 4181 4182
	case RTL_GIGA_MAC_VER_31:
		rtl_hw_start_8168dp(ioaddr, pdev);
		break;

H
hayeswang 已提交
4183 4184 4185 4186
	case RTL_GIGA_MAC_VER_32:
	case RTL_GIGA_MAC_VER_33:
		rtl_hw_start_8168e(ioaddr, pdev);
		break;
F
françois romieu 已提交
4187

4188 4189 4190
	default:
		printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
			dev->name, tp->mac_version);
4191
		break;
4192
	}
4193

4194 4195
	RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);

4196 4197
	RTL_W8(Cfg9346, Cfg9346_Lock);

4198
	RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4199

4200
	RTL_W16(IntrMask, tp->intr_event);
4201
}
L
Linus Torvalds 已提交
4202

4203 4204 4205 4206
#define R810X_CPCMD_QUIRK_MASK (\
	EnableBist | \
	Mac_dbgo_oe | \
	Force_half_dup | \
F
françois romieu 已提交
4207
	Force_rxflow_en | \
4208 4209 4210 4211
	Force_txflow_en | \
	Cxpl_dbg_sel | \
	ASF | \
	PktCntrDisable | \
4212
	Mac_dbgo_sel)
4213 4214 4215

static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
{
4216
	static const struct ephy_info e_info_8102e_1[] = {
4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227
		{ 0x01,	0, 0x6e65 },
		{ 0x02,	0, 0x091f },
		{ 0x03,	0, 0xc2f9 },
		{ 0x06,	0, 0xafb5 },
		{ 0x07,	0, 0x0e00 },
		{ 0x19,	0, 0xec80 },
		{ 0x01,	0, 0x2e65 },
		{ 0x01,	0, 0x6e65 }
	};
	u8 cfg1;

4228
	rtl_csi_access_enable_2(ioaddr);
4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246

	RTL_W8(DBG_REG, FIX_NAK_1);

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W8(Config1,
	       LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

	cfg1 = RTL_R8(Config1);
	if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
		RTL_W8(Config1, cfg1 & ~LEDS0);

	rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
}

static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
{
4247
	rtl_csi_access_enable_2(ioaddr);
4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261

	rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

	RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
	RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
}

static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
{
	rtl_hw_start_8102e_2(ioaddr, pdev);

	rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
}

4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274
static void rtl_hw_start_8105e_1(void __iomem *ioaddr, struct pci_dev *pdev)
{
	static const struct ephy_info e_info_8105e_1[] = {
		{ 0x07,	0, 0x4000 },
		{ 0x19,	0, 0x0200 },
		{ 0x19,	0, 0x0020 },
		{ 0x1e,	0, 0x2000 },
		{ 0x03,	0, 0x0001 },
		{ 0x19,	0, 0x0100 },
		{ 0x19,	0, 0x0004 },
		{ 0x0a,	0, 0x0020 }
	};

F
Francois Romieu 已提交
4275
	/* Force LAN exit from ASPM if Rx/Tx are not idle */
4276 4277
	RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);

F
Francois Romieu 已提交
4278
	/* Disable Early Tally Counter */
4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292
	RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);

	RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
	RTL_W8(DLLPR, RTL_R8(DLLPR) | PM_SWITCH);

	rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
}

static void rtl_hw_start_8105e_2(void __iomem *ioaddr, struct pci_dev *pdev)
{
	rtl_hw_start_8105e_1(ioaddr, pdev);
	rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
}

4293 4294
static void rtl_hw_start_8101(struct net_device *dev)
{
4295 4296 4297 4298
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	struct pci_dev *pdev = tp->pci_dev;

F
Francois Romieu 已提交
4299 4300
	if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
	    tp->mac_version == RTL_GIGA_MAC_VER_16) {
4301 4302 4303 4304 4305 4306
		int cap = tp->pcie_cap;

		if (cap) {
			pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
					      PCI_EXP_DEVCTL_NOSNOOP_EN);
		}
4307 4308
	}

4309 4310
	RTL_W8(Cfg9346, Cfg9346_Unlock);

4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322
	switch (tp->mac_version) {
	case RTL_GIGA_MAC_VER_07:
		rtl_hw_start_8102e_1(ioaddr, pdev);
		break;

	case RTL_GIGA_MAC_VER_08:
		rtl_hw_start_8102e_3(ioaddr, pdev);
		break;

	case RTL_GIGA_MAC_VER_09:
		rtl_hw_start_8102e_2(ioaddr, pdev);
		break;
4323 4324 4325 4326 4327 4328 4329

	case RTL_GIGA_MAC_VER_29:
		rtl_hw_start_8105e_1(ioaddr, pdev);
		break;
	case RTL_GIGA_MAC_VER_30:
		rtl_hw_start_8105e_2(ioaddr, pdev);
		break;
4330 4331
	}

4332
	RTL_W8(Cfg9346, Cfg9346_Lock);
4333

4334
	RTL_W8(MaxTxPacketSize, TxPacketMax);
4335

E
Eric Dumazet 已提交
4336
	rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4337

4338
	tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352
	RTL_W16(CPlusCmd, tp->cp_cmd);

	RTL_W16(IntrMitigate, 0x0000);

	rtl_set_rx_tx_desc_registers(tp, ioaddr);

	RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
	rtl_set_rx_tx_config_registers(tp);

	RTL_R8(IntrMask);

	rtl_set_rx_mode(dev);

	RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
4353

4354
	RTL_W16(IntrMask, tp->intr_event);
L
Linus Torvalds 已提交
4355 4356 4357 4358 4359 4360 4361 4362
}

static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
{
	if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
		return -EINVAL;

	dev->mtu = new_mtu;
4363 4364
	netdev_update_features(dev);

S
Stanislaw Gruszka 已提交
4365
	return 0;
L
Linus Torvalds 已提交
4366 4367 4368 4369
}

static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
{
A
Al Viro 已提交
4370
	desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
L
Linus Torvalds 已提交
4371 4372 4373
	desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
}

E
Eric Dumazet 已提交
4374 4375
static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
				     void **data_buff, struct RxDesc *desc)
L
Linus Torvalds 已提交
4376
{
4377
	dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
4378
			 DMA_FROM_DEVICE);
4379

E
Eric Dumazet 已提交
4380 4381
	kfree(*data_buff);
	*data_buff = NULL;
L
Linus Torvalds 已提交
4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399
	rtl8169_make_unusable_by_asic(desc);
}

static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
{
	u32 eor = le32_to_cpu(desc->opts1) & RingEnd;

	desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
}

static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
				       u32 rx_buf_sz)
{
	desc->addr = cpu_to_le64(mapping);
	wmb();
	rtl8169_mark_to_asic(desc, rx_buf_sz);
}

E
Eric Dumazet 已提交
4400 4401 4402 4403 4404
static inline void *rtl8169_align(void *data)
{
	return (void *)ALIGN((long)data, 16);
}

S
Stanislaw Gruszka 已提交
4405 4406
static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
					     struct RxDesc *desc)
L
Linus Torvalds 已提交
4407
{
E
Eric Dumazet 已提交
4408
	void *data;
L
Linus Torvalds 已提交
4409
	dma_addr_t mapping;
4410
	struct device *d = &tp->pci_dev->dev;
S
Stanislaw Gruszka 已提交
4411
	struct net_device *dev = tp->dev;
E
Eric Dumazet 已提交
4412
	int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
L
Linus Torvalds 已提交
4413

E
Eric Dumazet 已提交
4414 4415 4416
	data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
	if (!data)
		return NULL;
4417

E
Eric Dumazet 已提交
4418 4419 4420 4421 4422 4423
	if (rtl8169_align(data) != data) {
		kfree(data);
		data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
		if (!data)
			return NULL;
	}
4424

4425
	mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
4426
				 DMA_FROM_DEVICE);
4427 4428 4429
	if (unlikely(dma_mapping_error(d, mapping))) {
		if (net_ratelimit())
			netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
4430
		goto err_out;
4431
	}
L
Linus Torvalds 已提交
4432 4433

	rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
E
Eric Dumazet 已提交
4434
	return data;
4435 4436 4437 4438

err_out:
	kfree(data);
	return NULL;
L
Linus Torvalds 已提交
4439 4440 4441 4442
}

static void rtl8169_rx_clear(struct rtl8169_private *tp)
{
F
Francois Romieu 已提交
4443
	unsigned int i;
L
Linus Torvalds 已提交
4444 4445

	for (i = 0; i < NUM_RX_DESC; i++) {
E
Eric Dumazet 已提交
4446 4447
		if (tp->Rx_databuff[i]) {
			rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
L
Linus Torvalds 已提交
4448 4449 4450 4451 4452
					    tp->RxDescArray + i);
		}
	}
}

S
Stanislaw Gruszka 已提交
4453
static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
L
Linus Torvalds 已提交
4454
{
S
Stanislaw Gruszka 已提交
4455 4456
	desc->opts1 |= cpu_to_le32(RingEnd);
}
4457

S
Stanislaw Gruszka 已提交
4458 4459 4460
static int rtl8169_rx_fill(struct rtl8169_private *tp)
{
	unsigned int i;
L
Linus Torvalds 已提交
4461

S
Stanislaw Gruszka 已提交
4462 4463
	for (i = 0; i < NUM_RX_DESC; i++) {
		void *data;
4464

E
Eric Dumazet 已提交
4465
		if (tp->Rx_databuff[i])
L
Linus Torvalds 已提交
4466
			continue;
4467

S
Stanislaw Gruszka 已提交
4468
		data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
E
Eric Dumazet 已提交
4469 4470
		if (!data) {
			rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
S
Stanislaw Gruszka 已提交
4471
			goto err_out;
E
Eric Dumazet 已提交
4472 4473
		}
		tp->Rx_databuff[i] = data;
L
Linus Torvalds 已提交
4474 4475
	}

S
Stanislaw Gruszka 已提交
4476 4477 4478 4479 4480 4481
	rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
	return 0;

err_out:
	rtl8169_rx_clear(tp);
	return -ENOMEM;
L
Linus Torvalds 已提交
4482 4483 4484 4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495
}

static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
{
	tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
}

static int rtl8169_init_ring(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	rtl8169_init_ring_indexes(tp);

	memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
E
Eric Dumazet 已提交
4496
	memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
L
Linus Torvalds 已提交
4497

S
Stanislaw Gruszka 已提交
4498
	return rtl8169_rx_fill(tp);
L
Linus Torvalds 已提交
4499 4500
}

4501
static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
L
Linus Torvalds 已提交
4502 4503 4504 4505
				 struct TxDesc *desc)
{
	unsigned int len = tx_skb->len;

4506 4507
	dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);

L
Linus Torvalds 已提交
4508 4509 4510 4511 4512 4513
	desc->opts1 = 0x00;
	desc->opts2 = 0x00;
	desc->addr = 0x00;
	tx_skb->len = 0;
}

4514 4515
static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
				   unsigned int n)
L
Linus Torvalds 已提交
4516 4517 4518
{
	unsigned int i;

4519 4520
	for (i = 0; i < n; i++) {
		unsigned int entry = (start + i) % NUM_TX_DESC;
L
Linus Torvalds 已提交
4521 4522 4523 4524 4525 4526
		struct ring_info *tx_skb = tp->tx_skb + entry;
		unsigned int len = tx_skb->len;

		if (len) {
			struct sk_buff *skb = tx_skb->skb;

4527
			rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
L
Linus Torvalds 已提交
4528 4529
					     tp->TxDescArray + entry);
			if (skb) {
4530
				tp->dev->stats.tx_dropped++;
L
Linus Torvalds 已提交
4531 4532 4533 4534 4535
				dev_kfree_skb(skb);
				tx_skb->skb = NULL;
			}
		}
	}
4536 4537 4538 4539 4540
}

static void rtl8169_tx_clear(struct rtl8169_private *tp)
{
	rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
L
Linus Torvalds 已提交
4541 4542 4543
	tp->cur_tx = tp->dirty_tx = 0;
}

D
David Howells 已提交
4544
static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
L
Linus Torvalds 已提交
4545 4546 4547
{
	struct rtl8169_private *tp = netdev_priv(dev);

D
David Howells 已提交
4548
	PREPARE_DELAYED_WORK(&tp->task, task);
L
Linus Torvalds 已提交
4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559
	schedule_delayed_work(&tp->task, 4);
}

static void rtl8169_wait_for_quiescence(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;

	synchronize_irq(dev->irq);

	/* Wait for any pending NAPI task to complete */
4560
	napi_disable(&tp->napi);
L
Linus Torvalds 已提交
4561 4562 4563

	rtl8169_irq_mask_and_ack(ioaddr);

4564 4565
	tp->intr_mask = 0xffff;
	RTL_W16(IntrMask, tp->intr_event);
4566
	napi_enable(&tp->napi);
L
Linus Torvalds 已提交
4567 4568
}

D
David Howells 已提交
4569
static void rtl8169_reinit_task(struct work_struct *work)
L
Linus Torvalds 已提交
4570
{
D
David Howells 已提交
4571 4572 4573
	struct rtl8169_private *tp =
		container_of(work, struct rtl8169_private, task.work);
	struct net_device *dev = tp->dev;
L
Linus Torvalds 已提交
4574 4575
	int ret;

4576 4577 4578 4579 4580 4581 4582
	rtnl_lock();

	if (!netif_running(dev))
		goto out_unlock;

	rtl8169_wait_for_quiescence(dev);
	rtl8169_close(dev);
L
Linus Torvalds 已提交
4583 4584 4585

	ret = rtl8169_open(dev);
	if (unlikely(ret < 0)) {
4586 4587 4588 4589
		if (net_ratelimit())
			netif_err(tp, drv, dev,
				  "reinit failure (status = %d). Rescheduling\n",
				  ret);
L
Linus Torvalds 已提交
4590 4591
		rtl8169_schedule_work(dev, rtl8169_reinit_task);
	}
4592 4593 4594

out_unlock:
	rtnl_unlock();
L
Linus Torvalds 已提交
4595 4596
}

D
David Howells 已提交
4597
static void rtl8169_reset_task(struct work_struct *work)
L
Linus Torvalds 已提交
4598
{
D
David Howells 已提交
4599 4600 4601
	struct rtl8169_private *tp =
		container_of(work, struct rtl8169_private, task.work);
	struct net_device *dev = tp->dev;
4602
	int i;
L
Linus Torvalds 已提交
4603

4604 4605
	rtnl_lock();

L
Linus Torvalds 已提交
4606
	if (!netif_running(dev))
4607
		goto out_unlock;
L
Linus Torvalds 已提交
4608 4609 4610

	rtl8169_wait_for_quiescence(dev);

4611 4612 4613
	for (i = 0; i < NUM_RX_DESC; i++)
		rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);

L
Linus Torvalds 已提交
4614 4615
	rtl8169_tx_clear(tp);

4616 4617 4618 4619
	rtl8169_init_ring_indexes(tp);
	rtl_hw_start(dev);
	netif_wake_queue(dev);
	rtl8169_check_link_status(dev, tp, tp->mmio_addr);
4620 4621 4622

out_unlock:
	rtnl_unlock();
L
Linus Torvalds 已提交
4623 4624 4625 4626 4627 4628
}

static void rtl8169_tx_timeout(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);

F
françois romieu 已提交
4629
	rtl8169_hw_reset(tp);
L
Linus Torvalds 已提交
4630 4631 4632 4633 4634 4635

	/* Let's wait a bit while any (async) irq lands on */
	rtl8169_schedule_work(dev, rtl8169_reset_task);
}

static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
F
Francois Romieu 已提交
4636
			      u32 *opts)
L
Linus Torvalds 已提交
4637 4638 4639
{
	struct skb_shared_info *info = skb_shinfo(skb);
	unsigned int cur_frag, entry;
4640
	struct TxDesc * uninitialized_var(txd);
4641
	struct device *d = &tp->pci_dev->dev;
L
Linus Torvalds 已提交
4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654

	entry = tp->cur_tx;
	for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
		skb_frag_t *frag = info->frags + cur_frag;
		dma_addr_t mapping;
		u32 status, len;
		void *addr;

		entry = (entry + 1) % NUM_TX_DESC;

		txd = tp->TxDescArray + entry;
		len = frag->size;
		addr = ((void *) page_address(frag->page)) + frag->page_offset;
4655
		mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
4656 4657 4658 4659
		if (unlikely(dma_mapping_error(d, mapping))) {
			if (net_ratelimit())
				netif_err(tp, drv, tp->dev,
					  "Failed to map TX fragments DMA!\n");
4660
			goto err_out;
4661
		}
L
Linus Torvalds 已提交
4662

F
Francois Romieu 已提交
4663
		/* Anti gcc 2.95.3 bugware (sic) */
F
Francois Romieu 已提交
4664 4665
		status = opts[0] | len |
			(RingEnd * !((entry + 1) % NUM_TX_DESC));
L
Linus Torvalds 已提交
4666 4667

		txd->opts1 = cpu_to_le32(status);
F
Francois Romieu 已提交
4668
		txd->opts2 = cpu_to_le32(opts[1]);
L
Linus Torvalds 已提交
4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679
		txd->addr = cpu_to_le64(mapping);

		tp->tx_skb[entry].len = len;
	}

	if (cur_frag) {
		tp->tx_skb[entry].skb = skb;
		txd->opts1 |= cpu_to_le32(LastFrag);
	}

	return cur_frag;
4680 4681 4682 4683

err_out:
	rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
	return -EIO;
L
Linus Torvalds 已提交
4684 4685
}

F
Francois Romieu 已提交
4686 4687
static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
				    struct sk_buff *skb, u32 *opts)
L
Linus Torvalds 已提交
4688
{
F
Francois Romieu 已提交
4689
	const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
4690
	u32 mss = skb_shinfo(skb)->gso_size;
F
Francois Romieu 已提交
4691
	int offset = info->opts_offset;
4692

F
Francois Romieu 已提交
4693 4694 4695 4696
	if (mss) {
		opts[0] |= TD_LSO;
		opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
	} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
4697
		const struct iphdr *ip = ip_hdr(skb);
L
Linus Torvalds 已提交
4698 4699

		if (ip->protocol == IPPROTO_TCP)
F
Francois Romieu 已提交
4700
			opts[offset] |= info->checksum.tcp;
L
Linus Torvalds 已提交
4701
		else if (ip->protocol == IPPROTO_UDP)
F
Francois Romieu 已提交
4702 4703 4704
			opts[offset] |= info->checksum.udp;
		else
			WARN_ON_ONCE(1);
L
Linus Torvalds 已提交
4705 4706 4707
	}
}

4708 4709
static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
				      struct net_device *dev)
L
Linus Torvalds 已提交
4710 4711
{
	struct rtl8169_private *tp = netdev_priv(dev);
4712
	unsigned int entry = tp->cur_tx % NUM_TX_DESC;
L
Linus Torvalds 已提交
4713 4714
	struct TxDesc *txd = tp->TxDescArray + entry;
	void __iomem *ioaddr = tp->mmio_addr;
4715
	struct device *d = &tp->pci_dev->dev;
L
Linus Torvalds 已提交
4716 4717
	dma_addr_t mapping;
	u32 status, len;
F
Francois Romieu 已提交
4718
	u32 opts[2];
4719
	int frags;
4720

L
Linus Torvalds 已提交
4721
	if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
4722
		netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
4723
		goto err_stop_0;
L
Linus Torvalds 已提交
4724 4725 4726
	}

	if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
4727 4728 4729
		goto err_stop_0;

	len = skb_headlen(skb);
4730
	mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
4731 4732 4733
	if (unlikely(dma_mapping_error(d, mapping))) {
		if (net_ratelimit())
			netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
4734
		goto err_dma_0;
4735
	}
4736 4737 4738

	tp->tx_skb[entry].len = len;
	txd->addr = cpu_to_le64(mapping);
L
Linus Torvalds 已提交
4739

F
Francois Romieu 已提交
4740 4741
	opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
	opts[0] = DescOwn;
L
Linus Torvalds 已提交
4742

F
Francois Romieu 已提交
4743 4744 4745
	rtl8169_tso_csum(tp, skb, opts);

	frags = rtl8169_xmit_frags(tp, skb, opts);
4746 4747 4748
	if (frags < 0)
		goto err_dma_1;
	else if (frags)
F
Francois Romieu 已提交
4749
		opts[0] |= FirstFrag;
4750
	else {
F
Francois Romieu 已提交
4751
		opts[0] |= FirstFrag | LastFrag;
L
Linus Torvalds 已提交
4752 4753 4754
		tp->tx_skb[entry].skb = skb;
	}

F
Francois Romieu 已提交
4755 4756
	txd->opts2 = cpu_to_le32(opts[1]);

L
Linus Torvalds 已提交
4757 4758
	wmb();

F
Francois Romieu 已提交
4759
	/* Anti gcc 2.95.3 bugware (sic) */
F
Francois Romieu 已提交
4760
	status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
L
Linus Torvalds 已提交
4761 4762 4763 4764
	txd->opts1 = cpu_to_le32(status);

	tp->cur_tx += frags + 1;

4765
	wmb();
L
Linus Torvalds 已提交
4766

F
Francois Romieu 已提交
4767
	RTL_W8(TxPoll, NPQ);
L
Linus Torvalds 已提交
4768 4769 4770 4771 4772 4773 4774 4775

	if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
		netif_stop_queue(dev);
		smp_rmb();
		if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
			netif_wake_queue(dev);
	}

4776
	return NETDEV_TX_OK;
L
Linus Torvalds 已提交
4777

4778
err_dma_1:
4779
	rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
4780 4781 4782 4783 4784 4785
err_dma_0:
	dev_kfree_skb(skb);
	dev->stats.tx_dropped++;
	return NETDEV_TX_OK;

err_stop_0:
L
Linus Torvalds 已提交
4786
	netif_stop_queue(dev);
4787
	dev->stats.tx_dropped++;
4788
	return NETDEV_TX_BUSY;
L
Linus Torvalds 已提交
4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799
}

static void rtl8169_pcierr_interrupt(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	struct pci_dev *pdev = tp->pci_dev;
	u16 pci_status, pci_cmd;

	pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
	pci_read_config_word(pdev, PCI_STATUS, &pci_status);

4800 4801
	netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
		  pci_cmd, pci_status);
L
Linus Torvalds 已提交
4802 4803 4804 4805

	/*
	 * The recovery sequence below admits a very elaborated explanation:
	 * - it seems to work;
4806 4807
	 * - I did not see what else could be done;
	 * - it makes iop3xx happy.
L
Linus Torvalds 已提交
4808 4809 4810
	 *
	 * Feel free to adjust to your needs.
	 */
4811
	if (pdev->broken_parity_status)
4812 4813 4814 4815 4816
		pci_cmd &= ~PCI_COMMAND_PARITY;
	else
		pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;

	pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
L
Linus Torvalds 已提交
4817 4818 4819 4820 4821 4822 4823 4824

	pci_write_config_word(pdev, PCI_STATUS,
		pci_status & (PCI_STATUS_DETECTED_PARITY |
		PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
		PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));

	/* The infamous DAC f*ckup only happens at boot time */
	if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
F
françois romieu 已提交
4825 4826
		void __iomem *ioaddr = tp->mmio_addr;

4827
		netif_info(tp, intr, dev, "disabling PCI DAC\n");
L
Linus Torvalds 已提交
4828 4829 4830 4831 4832
		tp->cp_cmd &= ~PCIDAC;
		RTL_W16(CPlusCmd, tp->cp_cmd);
		dev->features &= ~NETIF_F_HIGHDMA;
	}

F
françois romieu 已提交
4833
	rtl8169_hw_reset(tp);
4834 4835

	rtl8169_schedule_work(dev, rtl8169_reinit_task);
L
Linus Torvalds 已提交
4836 4837
}

F
Francois Romieu 已提交
4838 4839 4840
static void rtl8169_tx_interrupt(struct net_device *dev,
				 struct rtl8169_private *tp,
				 void __iomem *ioaddr)
L
Linus Torvalds 已提交
4841 4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857
{
	unsigned int dirty_tx, tx_left;

	dirty_tx = tp->dirty_tx;
	smp_rmb();
	tx_left = tp->cur_tx - dirty_tx;

	while (tx_left > 0) {
		unsigned int entry = dirty_tx % NUM_TX_DESC;
		struct ring_info *tx_skb = tp->tx_skb + entry;
		u32 status;

		rmb();
		status = le32_to_cpu(tp->TxDescArray[entry].opts1);
		if (status & DescOwn)
			break;

4858 4859
		rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
				     tp->TxDescArray + entry);
L
Linus Torvalds 已提交
4860
		if (status & LastFrag) {
4861 4862
			dev->stats.tx_packets++;
			dev->stats.tx_bytes += tx_skb->skb->len;
4863
			dev_kfree_skb(tx_skb->skb);
L
Linus Torvalds 已提交
4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876
			tx_skb->skb = NULL;
		}
		dirty_tx++;
		tx_left--;
	}

	if (tp->dirty_tx != dirty_tx) {
		tp->dirty_tx = dirty_tx;
		smp_wmb();
		if (netif_queue_stopped(dev) &&
		    (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
			netif_wake_queue(dev);
		}
4877 4878 4879 4880 4881 4882 4883 4884 4885
		/*
		 * 8168 hack: TxPoll requests are lost when the Tx packets are
		 * too close. Let's kick an extra TxPoll request when a burst
		 * of start_xmit activity is detected (if it is not detected,
		 * it is slow enough). -- FR
		 */
		smp_rmb();
		if (tp->cur_tx != dirty_tx)
			RTL_W8(TxPoll, NPQ);
L
Linus Torvalds 已提交
4886 4887 4888
	}
}

4889 4890 4891 4892 4893
static inline int rtl8169_fragmented_frame(u32 status)
{
	return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
}

E
Eric Dumazet 已提交
4894
static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
L
Linus Torvalds 已提交
4895 4896 4897 4898
{
	u32 status = opts1 & RxProtoMask;

	if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
S
Shan Wei 已提交
4899
	    ((status == RxProtoUDP) && !(opts1 & UDPFail)))
L
Linus Torvalds 已提交
4900 4901
		skb->ip_summed = CHECKSUM_UNNECESSARY;
	else
4902
		skb_checksum_none_assert(skb);
L
Linus Torvalds 已提交
4903 4904
}

E
Eric Dumazet 已提交
4905 4906 4907 4908
static struct sk_buff *rtl8169_try_rx_copy(void *data,
					   struct rtl8169_private *tp,
					   int pkt_size,
					   dma_addr_t addr)
L
Linus Torvalds 已提交
4909
{
S
Stephen Hemminger 已提交
4910
	struct sk_buff *skb;
4911
	struct device *d = &tp->pci_dev->dev;
S
Stephen Hemminger 已提交
4912

E
Eric Dumazet 已提交
4913
	data = rtl8169_align(data);
4914
	dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
E
Eric Dumazet 已提交
4915 4916 4917 4918
	prefetch(data);
	skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
	if (skb)
		memcpy(skb->data, data, pkt_size);
4919 4920
	dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);

E
Eric Dumazet 已提交
4921
	return skb;
L
Linus Torvalds 已提交
4922 4923
}

F
Francois Romieu 已提交
4924 4925
static int rtl8169_rx_interrupt(struct net_device *dev,
				struct rtl8169_private *tp,
4926
				void __iomem *ioaddr, u32 budget)
L
Linus Torvalds 已提交
4927 4928
{
	unsigned int cur_rx, rx_left;
E
Eric Dumazet 已提交
4929
	unsigned int count;
L
Linus Torvalds 已提交
4930 4931 4932

	cur_rx = tp->cur_rx;
	rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
F
Francois Romieu 已提交
4933
	rx_left = min(rx_left, budget);
L
Linus Torvalds 已提交
4934

R
Richard Dawe 已提交
4935
	for (; rx_left > 0; rx_left--, cur_rx++) {
L
Linus Torvalds 已提交
4936
		unsigned int entry = cur_rx % NUM_RX_DESC;
4937
		struct RxDesc *desc = tp->RxDescArray + entry;
L
Linus Torvalds 已提交
4938 4939 4940
		u32 status;

		rmb();
4941
		status = le32_to_cpu(desc->opts1);
L
Linus Torvalds 已提交
4942 4943 4944

		if (status & DescOwn)
			break;
R
Richard Dawe 已提交
4945
		if (unlikely(status & RxRES)) {
4946 4947
			netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
				   status);
4948
			dev->stats.rx_errors++;
L
Linus Torvalds 已提交
4949
			if (status & (RxRWT | RxRUNT))
4950
				dev->stats.rx_length_errors++;
L
Linus Torvalds 已提交
4951
			if (status & RxCRC)
4952
				dev->stats.rx_crc_errors++;
4953 4954
			if (status & RxFOVF) {
				rtl8169_schedule_work(dev, rtl8169_reset_task);
4955
				dev->stats.rx_fifo_errors++;
4956
			}
E
Eric Dumazet 已提交
4957
			rtl8169_mark_to_asic(desc, rx_buf_sz);
L
Linus Torvalds 已提交
4958
		} else {
E
Eric Dumazet 已提交
4959
			struct sk_buff *skb;
S
Stephen Hemminger 已提交
4960
			dma_addr_t addr = le64_to_cpu(desc->addr);
L
Linus Torvalds 已提交
4961 4962
			int pkt_size = (status & 0x00001FFF) - 4;

4963 4964 4965 4966 4967 4968
			/*
			 * The driver does not support incoming fragmented
			 * frames. They are seen as a symptom of over-mtu
			 * sized frames.
			 */
			if (unlikely(rtl8169_fragmented_frame(status))) {
4969 4970
				dev->stats.rx_dropped++;
				dev->stats.rx_length_errors++;
E
Eric Dumazet 已提交
4971
				rtl8169_mark_to_asic(desc, rx_buf_sz);
R
Richard Dawe 已提交
4972
				continue;
4973 4974
			}

E
Eric Dumazet 已提交
4975 4976 4977 4978 4979 4980
			skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
						  tp, pkt_size, addr);
			rtl8169_mark_to_asic(desc, rx_buf_sz);
			if (!skb) {
				dev->stats.rx_dropped++;
				continue;
L
Linus Torvalds 已提交
4981 4982
			}

E
Eric Dumazet 已提交
4983
			rtl8169_rx_csum(skb, status);
L
Linus Torvalds 已提交
4984 4985 4986
			skb_put(skb, pkt_size);
			skb->protocol = eth_type_trans(skb, dev);

4987 4988
			rtl8169_rx_vlan_tag(desc, skb);

4989
			napi_gro_receive(&tp->napi, skb);
L
Linus Torvalds 已提交
4990

4991 4992
			dev->stats.rx_bytes += pkt_size;
			dev->stats.rx_packets++;
L
Linus Torvalds 已提交
4993
		}
4994 4995

		/* Work around for AMD plateform. */
A
Al Viro 已提交
4996
		if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
4997 4998 4999 5000
		    (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
			desc->opts2 = 0;
			cur_rx++;
		}
L
Linus Torvalds 已提交
5001 5002 5003 5004 5005
	}

	count = cur_rx - tp->cur_rx;
	tp->cur_rx = cur_rx;

E
Eric Dumazet 已提交
5006
	tp->dirty_rx += count;
L
Linus Torvalds 已提交
5007 5008 5009 5010

	return count;
}

F
Francois Romieu 已提交
5011
static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
L
Linus Torvalds 已提交
5012
{
F
Francois Romieu 已提交
5013
	struct net_device *dev = dev_instance;
L
Linus Torvalds 已提交
5014 5015 5016
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	int handled = 0;
F
Francois Romieu 已提交
5017
	int status;
L
Linus Torvalds 已提交
5018

5019 5020 5021
	/* loop handling interrupts until we have no new ones or
	 * we hit a invalid/hotplug case.
	 */
F
Francois Romieu 已提交
5022
	status = RTL_R16(IntrStatus);
5023 5024
	while (status && status != 0xffff) {
		handled = 1;
L
Linus Torvalds 已提交
5025

5026 5027 5028 5029 5030 5031 5032
		/* Handle all of the error cases first. These will reset
		 * the chip, so just exit the loop.
		 */
		if (unlikely(!netif_running(dev))) {
			rtl8169_asic_down(ioaddr);
			break;
		}
L
Linus Torvalds 已提交
5033

5034 5035 5036 5037 5038 5039 5040 5041 5042
		if (unlikely(status & RxFIFOOver)) {
			switch (tp->mac_version) {
			/* Work around for rx fifo overflow */
			case RTL_GIGA_MAC_VER_11:
			case RTL_GIGA_MAC_VER_22:
			case RTL_GIGA_MAC_VER_26:
				netif_stop_queue(dev);
				rtl8169_tx_timeout(dev);
				goto done;
5043 5044 5045 5046 5047 5048 5049 5050 5051
			/* Testers needed. */
			case RTL_GIGA_MAC_VER_17:
			case RTL_GIGA_MAC_VER_19:
			case RTL_GIGA_MAC_VER_20:
			case RTL_GIGA_MAC_VER_21:
			case RTL_GIGA_MAC_VER_23:
			case RTL_GIGA_MAC_VER_24:
			case RTL_GIGA_MAC_VER_27:
			case RTL_GIGA_MAC_VER_28:
5052
			case RTL_GIGA_MAC_VER_31:
5053 5054 5055 5056 5057 5058 5059 5060 5061
			/* Experimental science. Pktgen proof. */
			case RTL_GIGA_MAC_VER_12:
			case RTL_GIGA_MAC_VER_25:
				if (status == RxFIFOOver)
					goto done;
				break;
			default:
				break;
			}
5062
		}
L
Linus Torvalds 已提交
5063

5064 5065 5066 5067
		if (unlikely(status & SYSErr)) {
			rtl8169_pcierr_interrupt(dev);
			break;
		}
L
Linus Torvalds 已提交
5068

5069
		if (status & LinkChg)
5070
			__rtl8169_check_link_status(dev, tp, ioaddr, true);
5071

5072 5073 5074 5075 5076 5077 5078 5079 5080 5081 5082
		/* We need to see the lastest version of tp->intr_mask to
		 * avoid ignoring an MSI interrupt and having to wait for
		 * another event which may never come.
		 */
		smp_rmb();
		if (status & tp->intr_mask & tp->napi_event) {
			RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
			tp->intr_mask = ~tp->napi_event;

			if (likely(napi_schedule_prep(&tp->napi)))
				__napi_schedule(&tp->napi);
5083 5084 5085
			else
				netif_info(tp, intr, dev,
					   "interrupt %04x in poll\n", status);
5086
		}
L
Linus Torvalds 已提交
5087

5088 5089 5090 5091 5092 5093 5094 5095
		/* We only get a new MSI interrupt when all active irq
		 * sources on the chip have been acknowledged. So, ack
		 * everything we've seen and check if new sources have become
		 * active to avoid blocking all interrupts from the chip.
		 */
		RTL_W16(IntrStatus,
			(status & RxFIFOOver) ? (status | RxOverflow) : status);
		status = RTL_R16(IntrStatus);
F
Francois Romieu 已提交
5096
	}
5097
done:
L
Linus Torvalds 已提交
5098 5099 5100
	return IRQ_RETVAL(handled);
}

5101
static int rtl8169_poll(struct napi_struct *napi, int budget)
L
Linus Torvalds 已提交
5102
{
5103 5104
	struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
	struct net_device *dev = tp->dev;
L
Linus Torvalds 已提交
5105
	void __iomem *ioaddr = tp->mmio_addr;
5106
	int work_done;
L
Linus Torvalds 已提交
5107

5108
	work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
L
Linus Torvalds 已提交
5109 5110
	rtl8169_tx_interrupt(dev, tp, ioaddr);

5111
	if (work_done < budget) {
5112
		napi_complete(napi);
5113 5114 5115 5116 5117 5118 5119

		/* We need for force the visibility of tp->intr_mask
		 * for other CPUs, as we can loose an MSI interrupt
		 * and potentially wait for a retransmit timeout if we don't.
		 * The posted write to IntrMask is safe, as it will
		 * eventually make it to the chip and we won't loose anything
		 * until it does.
L
Linus Torvalds 已提交
5120
		 */
5121
		tp->intr_mask = 0xffff;
5122
		wmb();
5123
		RTL_W16(IntrMask, tp->intr_event);
L
Linus Torvalds 已提交
5124 5125
	}

5126
	return work_done;
L
Linus Torvalds 已提交
5127 5128
}

5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139
static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
{
	struct rtl8169_private *tp = netdev_priv(dev);

	if (tp->mac_version > RTL_GIGA_MAC_VER_06)
		return;

	dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
	RTL_W32(RxMissed, 0);
}

L
Linus Torvalds 已提交
5140 5141 5142 5143 5144
static void rtl8169_down(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;

5145
	del_timer_sync(&tp->timer);
L
Linus Torvalds 已提交
5146 5147 5148

	netif_stop_queue(dev);

5149 5150
	napi_disable(&tp->napi);

L
Linus Torvalds 已提交
5151 5152 5153
	spin_lock_irq(&tp->lock);

	rtl8169_asic_down(ioaddr);
S
Stanislaw Gruszka 已提交
5154 5155 5156 5157 5158
	/*
	 * At this point device interrupts can not be enabled in any function,
	 * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task,
	 * rtl8169_reinit_task) and napi is disabled (rtl8169_poll).
	 */
5159
	rtl8169_rx_missed(dev, ioaddr);
L
Linus Torvalds 已提交
5160 5161 5162 5163 5164 5165

	spin_unlock_irq(&tp->lock);

	synchronize_irq(dev->irq);

	/* Give a racing hard_start_xmit a few cycles to complete. */
5166
	synchronize_sched();  /* FIXME: should this be synchronize_irq()? */
L
Linus Torvalds 已提交
5167 5168 5169 5170

	rtl8169_tx_clear(tp);

	rtl8169_rx_clear(tp);
F
françois romieu 已提交
5171 5172

	rtl_pll_power_down(tp);
L
Linus Torvalds 已提交
5173 5174 5175 5176 5177 5178 5179
}

static int rtl8169_close(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	struct pci_dev *pdev = tp->pci_dev;

5180 5181
	pm_runtime_get_sync(&pdev->dev);

F
Francois Romieu 已提交
5182
	/* Update counters before going down */
5183 5184
	rtl8169_update_counters(dev);

L
Linus Torvalds 已提交
5185 5186 5187 5188
	rtl8169_down(dev);

	free_irq(dev->irq, dev);

5189 5190 5191 5192
	dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
			  tp->RxPhyAddr);
	dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
			  tp->TxPhyAddr);
L
Linus Torvalds 已提交
5193 5194 5195
	tp->TxDescArray = NULL;
	tp->RxDescArray = NULL;

5196 5197
	pm_runtime_put_sync(&pdev->dev);

L
Linus Torvalds 已提交
5198 5199 5200
	return 0;
}

5201
static void rtl_set_rx_mode(struct net_device *dev)
L
Linus Torvalds 已提交
5202 5203 5204 5205 5206
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	unsigned long flags;
	u32 mc_filter[2];	/* Multicast hash filter */
F
Francois Romieu 已提交
5207
	int rx_mode;
L
Linus Torvalds 已提交
5208 5209 5210 5211
	u32 tmp = 0;

	if (dev->flags & IFF_PROMISC) {
		/* Unconditionally log net taps. */
5212
		netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
L
Linus Torvalds 已提交
5213 5214 5215 5216
		rx_mode =
		    AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
		    AcceptAllPhys;
		mc_filter[1] = mc_filter[0] = 0xffffffff;
5217
	} else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
5218
		   (dev->flags & IFF_ALLMULTI)) {
L
Linus Torvalds 已提交
5219 5220 5221 5222
		/* Too many to filter perfectly -- accept all multicasts. */
		rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
		mc_filter[1] = mc_filter[0] = 0xffffffff;
	} else {
5223
		struct netdev_hw_addr *ha;
F
Francois Romieu 已提交
5224

L
Linus Torvalds 已提交
5225 5226
		rx_mode = AcceptBroadcast | AcceptMyPhys;
		mc_filter[1] = mc_filter[0] = 0;
5227 5228
		netdev_for_each_mc_addr(ha, dev) {
			int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
L
Linus Torvalds 已提交
5229 5230 5231 5232 5233 5234 5235 5236
			mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
			rx_mode |= AcceptMulticast;
		}
	}

	spin_lock_irqsave(&tp->lock, flags);

	tmp = rtl8169_rx_config | rx_mode |
F
Francois Romieu 已提交
5237
	      (RTL_R32(RxConfig) & RTL_RX_CONFIG_MASK);
L
Linus Torvalds 已提交
5238

5239
	if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
5240 5241 5242 5243
		u32 data = mc_filter[0];

		mc_filter[0] = swab32(mc_filter[1]);
		mc_filter[1] = swab32(data);
5244 5245
	}

L
Linus Torvalds 已提交
5246
	RTL_W32(MAR0 + 4, mc_filter[1]);
5247
	RTL_W32(MAR0 + 0, mc_filter[0]);
L
Linus Torvalds 已提交
5248

5249 5250
	RTL_W32(RxConfig, tmp);

L
Linus Torvalds 已提交
5251 5252 5253 5254 5255 5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266 5267
	spin_unlock_irqrestore(&tp->lock, flags);
}

/**
 *  rtl8169_get_stats - Get rtl8169 read/write statistics
 *  @dev: The Ethernet Device to get statistics for
 *
 *  Get TX/RX statistics for rtl8169
 */
static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
{
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
	unsigned long flags;

	if (netif_running(dev)) {
		spin_lock_irqsave(&tp->lock, flags);
5268
		rtl8169_rx_missed(dev, ioaddr);
L
Linus Torvalds 已提交
5269 5270
		spin_unlock_irqrestore(&tp->lock, flags);
	}
5271

5272
	return &dev->stats;
L
Linus Torvalds 已提交
5273 5274
}

5275
static void rtl8169_net_suspend(struct net_device *dev)
5276
{
F
françois romieu 已提交
5277 5278
	struct rtl8169_private *tp = netdev_priv(dev);

5279
	if (!netif_running(dev))
5280
		return;
5281

F
françois romieu 已提交
5282 5283
	rtl_pll_power_down(tp);

5284 5285
	netif_device_detach(dev);
	netif_stop_queue(dev);
5286 5287 5288 5289 5290 5291 5292 5293
}

#ifdef CONFIG_PM

static int rtl8169_suspend(struct device *device)
{
	struct pci_dev *pdev = to_pci_dev(device);
	struct net_device *dev = pci_get_drvdata(pdev);
5294

5295
	rtl8169_net_suspend(dev);
5296

5297 5298 5299
	return 0;
}

5300 5301
static void __rtl8169_resume(struct net_device *dev)
{
F
françois romieu 已提交
5302 5303
	struct rtl8169_private *tp = netdev_priv(dev);

5304
	netif_device_attach(dev);
F
françois romieu 已提交
5305 5306 5307

	rtl_pll_power_up(tp);

5308 5309 5310
	rtl8169_schedule_work(dev, rtl8169_reset_task);
}

5311
static int rtl8169_resume(struct device *device)
5312
{
5313
	struct pci_dev *pdev = to_pci_dev(device);
5314
	struct net_device *dev = pci_get_drvdata(pdev);
S
Stanislaw Gruszka 已提交
5315 5316 5317
	struct rtl8169_private *tp = netdev_priv(dev);

	rtl8169_init_phy(dev, tp);
5318

5319 5320
	if (netif_running(dev))
		__rtl8169_resume(dev);
5321

5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357
	return 0;
}

static int rtl8169_runtime_suspend(struct device *device)
{
	struct pci_dev *pdev = to_pci_dev(device);
	struct net_device *dev = pci_get_drvdata(pdev);
	struct rtl8169_private *tp = netdev_priv(dev);

	if (!tp->TxDescArray)
		return 0;

	spin_lock_irq(&tp->lock);
	tp->saved_wolopts = __rtl8169_get_wol(tp);
	__rtl8169_set_wol(tp, WAKE_ANY);
	spin_unlock_irq(&tp->lock);

	rtl8169_net_suspend(dev);

	return 0;
}

static int rtl8169_runtime_resume(struct device *device)
{
	struct pci_dev *pdev = to_pci_dev(device);
	struct net_device *dev = pci_get_drvdata(pdev);
	struct rtl8169_private *tp = netdev_priv(dev);

	if (!tp->TxDescArray)
		return 0;

	spin_lock_irq(&tp->lock);
	__rtl8169_set_wol(tp, tp->saved_wolopts);
	tp->saved_wolopts = 0;
	spin_unlock_irq(&tp->lock);

S
Stanislaw Gruszka 已提交
5358 5359
	rtl8169_init_phy(dev, tp);

5360
	__rtl8169_resume(dev);
5361 5362 5363 5364

	return 0;
}

5365 5366 5367 5368 5369 5370
static int rtl8169_runtime_idle(struct device *device)
{
	struct pci_dev *pdev = to_pci_dev(device);
	struct net_device *dev = pci_get_drvdata(pdev);
	struct rtl8169_private *tp = netdev_priv(dev);

5371
	return tp->TxDescArray ? -EBUSY : 0;
5372 5373
}

5374
static const struct dev_pm_ops rtl8169_pm_ops = {
F
Francois Romieu 已提交
5375 5376 5377 5378 5379 5380 5381 5382 5383
	.suspend		= rtl8169_suspend,
	.resume			= rtl8169_resume,
	.freeze			= rtl8169_suspend,
	.thaw			= rtl8169_resume,
	.poweroff		= rtl8169_suspend,
	.restore		= rtl8169_resume,
	.runtime_suspend	= rtl8169_runtime_suspend,
	.runtime_resume		= rtl8169_runtime_resume,
	.runtime_idle		= rtl8169_runtime_idle,
5384 5385 5386 5387 5388 5389 5390 5391 5392 5393
};

#define RTL8169_PM_OPS	(&rtl8169_pm_ops)

#else /* !CONFIG_PM */

#define RTL8169_PM_OPS	NULL

#endif /* !CONFIG_PM */

F
Francois Romieu 已提交
5394 5395
static void rtl_shutdown(struct pci_dev *pdev)
{
5396
	struct net_device *dev = pci_get_drvdata(pdev);
5397 5398
	struct rtl8169_private *tp = netdev_priv(dev);
	void __iomem *ioaddr = tp->mmio_addr;
5399 5400

	rtl8169_net_suspend(dev);
F
Francois Romieu 已提交
5401

F
Francois Romieu 已提交
5402
	/* Restore original MAC address */
5403 5404
	rtl_rar_set(tp, dev->perm_addr);

5405 5406 5407 5408 5409 5410
	spin_lock_irq(&tp->lock);

	rtl8169_asic_down(ioaddr);

	spin_unlock_irq(&tp->lock);

5411
	if (system_state == SYSTEM_POWER_OFF) {
5412 5413 5414 5415 5416 5417 5418 5419 5420
		/* WoL fails with some 8168 when the receiver is disabled. */
		if (tp->features & RTL_FEATURE_WOL) {
			pci_clear_master(pdev);

			RTL_W8(ChipCmd, CmdRxEnb);
			/* PCI commit */
			RTL_R8(ChipCmd);
		}

5421 5422 5423 5424
		pci_wake_from_d3(pdev, true);
		pci_set_power_state(pdev, PCI_D3hot);
	}
}
5425

L
Linus Torvalds 已提交
5426 5427 5428 5429 5430
static struct pci_driver rtl8169_pci_driver = {
	.name		= MODULENAME,
	.id_table	= rtl8169_pci_tbl,
	.probe		= rtl8169_init_one,
	.remove		= __devexit_p(rtl8169_remove_one),
F
Francois Romieu 已提交
5431
	.shutdown	= rtl_shutdown,
5432
	.driver.pm	= RTL8169_PM_OPS,
L
Linus Torvalds 已提交
5433 5434
};

F
Francois Romieu 已提交
5435
static int __init rtl8169_init_module(void)
L
Linus Torvalds 已提交
5436
{
5437
	return pci_register_driver(&rtl8169_pci_driver);
L
Linus Torvalds 已提交
5438 5439
}

F
Francois Romieu 已提交
5440
static void __exit rtl8169_cleanup_module(void)
L
Linus Torvalds 已提交
5441 5442 5443 5444 5445 5446
{
	pci_unregister_driver(&rtl8169_pci_driver);
}

module_init(rtl8169_init_module);
module_exit(rtl8169_cleanup_module);