mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-14 15:54:15 +08:00
c28aa38567
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=39252 Hayes suggested that the usual MAC{0, 4} register writes be completed with writes to extended GigaMAC registers : - 0xe0 .. 0xe5 - 0xf2 .. 0xf7 Registers 0xf0 and 0xf1 should be set to 0. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
5825 lines
138 KiB
C
5825 lines
138 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#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>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/pm_runtime.h>
|
|
#include <linux/firmware.h>
|
|
#include <linux/pci-aspm.h>
|
|
#include <linux/prefetch.h>
|
|
|
|
#include <asm/system.h>
|
|
#include <asm/io.h>
|
|
#include <asm/irq.h>
|
|
|
|
#define RTL8169_VERSION "2.3LK-NAPI"
|
|
#define MODULENAME "r8169"
|
|
#define PFX MODULENAME ": "
|
|
|
|
#define FIRMWARE_8168D_1 "rtl_nic/rtl8168d-1.fw"
|
|
#define FIRMWARE_8168D_2 "rtl_nic/rtl8168d-2.fw"
|
|
#define FIRMWARE_8168E_1 "rtl_nic/rtl8168e-1.fw"
|
|
#define FIRMWARE_8168E_2 "rtl_nic/rtl8168e-2.fw"
|
|
#define FIRMWARE_8168E_3 "rtl_nic/rtl8168e-3.fw"
|
|
#define FIRMWARE_8105E_1 "rtl_nic/rtl8105e-1.fw"
|
|
|
|
#ifdef RTL8169_DEBUG
|
|
#define assert(expr) \
|
|
if (!(expr)) { \
|
|
printk( "Assertion failed! %s,%s,%s,line=%d\n", \
|
|
#expr,__FILE__,__func__,__LINE__); \
|
|
}
|
|
#define dprintk(fmt, args...) \
|
|
do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
|
|
#else
|
|
#define assert(expr) do {} while (0)
|
|
#define dprintk(fmt, args...) do {} while (0)
|
|
#endif /* RTL8169_DEBUG */
|
|
|
|
#define R8169_MSG_DEFAULT \
|
|
(NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
|
|
|
|
#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. */
|
|
static const int multicast_filter_limit = 32;
|
|
|
|
/* MAC address length */
|
|
#define MAC_ADDR_LEN 6
|
|
|
|
#define MAX_READ_REQUEST_SHIFT 12
|
|
#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)
|
|
|
|
#define RTL_EEPROM_SIG cpu_to_le32(0x8129)
|
|
#define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff)
|
|
#define RTL_EEPROM_SIG_ADDR 0x0000
|
|
|
|
/* 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))
|
|
#define RTL_R32(reg) readl (ioaddr + (reg))
|
|
|
|
enum mac_version {
|
|
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_VER_34,
|
|
RTL_GIGA_MAC_NONE = 0xff,
|
|
};
|
|
|
|
enum rtl_tx_desc_version {
|
|
RTL_TD_0 = 0,
|
|
RTL_TD_1 = 1,
|
|
};
|
|
|
|
#define _R(NAME,TD,FW) \
|
|
{ .name = NAME, .txd_version = TD, .fw_name = FW }
|
|
|
|
static const struct {
|
|
const char *name;
|
|
enum rtl_tx_desc_version txd_version;
|
|
const char *fw_name;
|
|
} 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),
|
|
[RTL_GIGA_MAC_VER_34] =
|
|
_R("RTL8168evl/8111evl",RTL_TD_1, FIRMWARE_8168E_3)
|
|
};
|
|
#undef _R
|
|
|
|
enum cfg_version {
|
|
RTL_CFG_0 = 0x00,
|
|
RTL_CFG_1,
|
|
RTL_CFG_2
|
|
};
|
|
|
|
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 *);
|
|
|
|
static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4302), 0, 0, RTL_CFG_0 },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 },
|
|
{ PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 },
|
|
{ PCI_VENDOR_ID_LINKSYS, 0x1032,
|
|
PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
|
|
{ 0x0001, 0x8168,
|
|
PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
|
|
{0,},
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
|
|
|
|
static int rx_buf_sz = 16383;
|
|
static int use_dac;
|
|
static struct {
|
|
u32 msg_enable;
|
|
} debug = { -1 };
|
|
|
|
enum rtl_registers {
|
|
MAC0 = 0, /* Ethernet hardware address. */
|
|
MAC4 = 4,
|
|
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,
|
|
#define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */
|
|
#define TXCFG_EMPTY (1 << 11) /* 8111e-vl */
|
|
|
|
RxConfig = 0x44,
|
|
#define RX128_INT_EN (1 << 15) /* 8111c and later */
|
|
#define RX_MULTI_EN (1 << 14) /* 8111c only */
|
|
#define RXCFG_FIFO_SHIFT 13
|
|
/* No threshold before first PCI xfer */
|
|
#define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT)
|
|
#define RXCFG_DMA_SHIFT 8
|
|
/* Unlimited maximum PCI burst. */
|
|
#define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT)
|
|
|
|
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,
|
|
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)
|
|
|
|
FuncEvent = 0xf0,
|
|
FuncEventMask = 0xf4,
|
|
FuncPresetState = 0xf8,
|
|
FuncForceEvent = 0xfc,
|
|
};
|
|
|
|
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
|
|
PMCH = 0x6f,
|
|
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
|
|
DLLPR = 0xd0,
|
|
#define PFM_EN (1 << 6)
|
|
DBG_REG = 0xd1,
|
|
#define FIX_NAK_1 (1 << 4)
|
|
#define FIX_NAK_2 (1 << 3)
|
|
TWSI = 0xd2,
|
|
MCU = 0xd3,
|
|
#define NOW_IS_OOB (1 << 7)
|
|
#define EN_NDP (1 << 3)
|
|
#define EN_OOB_RESET (1 << 2)
|
|
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
|
|
};
|
|
|
|
enum rtl8168_registers {
|
|
LED_FREQ = 0x1a,
|
|
EEE_LED = 0x1b,
|
|
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_TYPE_SHIFT 16
|
|
#define ERIAR_EXGMAC (0x00 << ERIAR_TYPE_SHIFT)
|
|
#define ERIAR_MSIX (0x01 << ERIAR_TYPE_SHIFT)
|
|
#define ERIAR_ASF (0x02 << ERIAR_TYPE_SHIFT)
|
|
#define ERIAR_MASK_SHIFT 12
|
|
#define ERIAR_MASK_0001 (0x1 << ERIAR_MASK_SHIFT)
|
|
#define ERIAR_MASK_0011 (0x3 << ERIAR_MASK_SHIFT)
|
|
#define ERIAR_MASK_1111 (0xf << ERIAR_MASK_SHIFT)
|
|
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
|
|
RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */
|
|
MISC = 0xf0, /* 8168e only. */
|
|
#define TXPLA_RST (1 << 29)
|
|
#define PWM_EN (1 << 22)
|
|
};
|
|
|
|
enum rtl_register_content {
|
|
/* InterruptStatusBits */
|
|
SYSErr = 0x8000,
|
|
PCSTimeout = 0x4000,
|
|
SWInt = 0x0100,
|
|
TxDescUnavail = 0x0080,
|
|
RxFIFOOver = 0x0040,
|
|
LinkChg = 0x0020,
|
|
RxOverflow = 0x0010,
|
|
TxErr = 0x0008,
|
|
TxOK = 0x0004,
|
|
RxErr = 0x0002,
|
|
RxOK = 0x0001,
|
|
|
|
/* RxStatusDesc */
|
|
RxFOVF = (1 << 23),
|
|
RxRWT = (1 << 22),
|
|
RxRES = (1 << 21),
|
|
RxRUNT = (1 << 20),
|
|
RxCRC = (1 << 19),
|
|
|
|
/* ChipCmdBits */
|
|
StopReq = 0x80,
|
|
CmdReset = 0x10,
|
|
CmdRxEnb = 0x08,
|
|
CmdTxEnb = 0x04,
|
|
RxBufEmpty = 0x01,
|
|
|
|
/* 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 */
|
|
|
|
/* Cfg9346Bits */
|
|
Cfg9346_Lock = 0x00,
|
|
Cfg9346_Unlock = 0xc0,
|
|
|
|
/* rx_mode_bits */
|
|
AcceptErr = 0x20,
|
|
AcceptRunt = 0x10,
|
|
AcceptBroadcast = 0x08,
|
|
AcceptMulticast = 0x04,
|
|
AcceptMyPhys = 0x02,
|
|
AcceptAllPhys = 0x01,
|
|
#define RX_CONFIG_ACCEPT_MASK 0x3f
|
|
|
|
/* TxConfigBits */
|
|
TxInterFrameGapShift = 24,
|
|
TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
|
|
|
|
/* Config1 register p.24 */
|
|
LEDS1 = (1 << 7),
|
|
LEDS0 = (1 << 6),
|
|
MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */
|
|
Speed_down = (1 << 4),
|
|
MEMMAP = (1 << 3),
|
|
IOMAP = (1 << 2),
|
|
VPD = (1 << 1),
|
|
PMEnable = (1 << 0), /* Power Management Enable */
|
|
|
|
/* Config2 register p. 25 */
|
|
PCI_Clock_66MHz = 0x01,
|
|
PCI_Clock_33MHz = 0x00,
|
|
|
|
/* 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 */
|
|
Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */
|
|
|
|
/* Config5 register p.27 */
|
|
BWF = (1 << 6), /* Accept Broadcast wakeup frame */
|
|
MWF = (1 << 5), /* Accept Multicast wakeup frame */
|
|
UWF = (1 << 4), /* Accept Unicast wakeup frame */
|
|
Spi_en = (1 << 3),
|
|
LanWake = (1 << 1), /* LanWake enable/disable */
|
|
PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
|
|
|
|
/* TBICSR p.28 */
|
|
TBIReset = 0x80000000,
|
|
TBILoopback = 0x40000000,
|
|
TBINwEnable = 0x20000000,
|
|
TBINwRestart = 0x10000000,
|
|
TBILinkOk = 0x02000000,
|
|
TBINwComplete = 0x01000000,
|
|
|
|
/* CPlusCmd p.31 */
|
|
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
|
|
RxVlan = (1 << 6),
|
|
RxChkSum = (1 << 5),
|
|
PCIDAC = (1 << 4),
|
|
PCIMulRW = (1 << 3),
|
|
INTT_0 = 0x0000, // 8168
|
|
INTT_1 = 0x0001, // 8168
|
|
INTT_2 = 0x0002, // 8168
|
|
INTT_3 = 0x0003, // 8168
|
|
|
|
/* rtl8169_PHYstatus */
|
|
TBI_Enable = 0x80,
|
|
TxFlowCtrl = 0x40,
|
|
RxFlowCtrl = 0x20,
|
|
_1000bpsF = 0x10,
|
|
_100bps = 0x08,
|
|
_10bps = 0x04,
|
|
LinkStatus = 0x02,
|
|
FullDup = 0x01,
|
|
|
|
/* _TBICSRBit */
|
|
TBILinkOK = 0x02000000,
|
|
|
|
/* DumpCounterCommand */
|
|
CounterDump = 0x8,
|
|
};
|
|
|
|
enum rtl_desc_bit {
|
|
/* First doubleword. */
|
|
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 */
|
|
};
|
|
|
|
/* Generic case. */
|
|
enum rtl_tx_desc_bit {
|
|
/* First doubleword. */
|
|
TD_LSO = (1 << 27), /* Large Send Offload */
|
|
#define TD_MSS_MAX 0x07ffu /* MSS value */
|
|
|
|
/* 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 */
|
|
};
|
|
|
|
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 {
|
|
/* 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 {
|
|
__le32 opts1;
|
|
__le32 opts2;
|
|
__le64 addr;
|
|
};
|
|
|
|
struct RxDesc {
|
|
__le32 opts1;
|
|
__le32 opts2;
|
|
__le64 addr;
|
|
};
|
|
|
|
struct ring_info {
|
|
struct sk_buff *skb;
|
|
u32 len;
|
|
u8 __pad[sizeof(void *) - sizeof(u32)];
|
|
};
|
|
|
|
enum features {
|
|
RTL_FEATURE_WOL = (1 << 0),
|
|
RTL_FEATURE_MSI = (1 << 1),
|
|
RTL_FEATURE_GMII = (1 << 2),
|
|
};
|
|
|
|
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;
|
|
};
|
|
|
|
struct rtl8169_private {
|
|
void __iomem *mmio_addr; /* memory map physical address */
|
|
struct pci_dev *pci_dev;
|
|
struct net_device *dev;
|
|
struct napi_struct napi;
|
|
spinlock_t lock;
|
|
u32 msg_enable;
|
|
u16 txd_version;
|
|
u16 mac_version;
|
|
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;
|
|
void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
|
|
struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
|
|
struct timer_list timer;
|
|
u16 cp_cmd;
|
|
u16 intr_event;
|
|
u16 napi_event;
|
|
u16 intr_mask;
|
|
|
|
struct mdio_ops {
|
|
void (*write)(void __iomem *, int, int);
|
|
int (*read)(void __iomem *, int);
|
|
} mdio_ops;
|
|
|
|
struct pll_power_ops {
|
|
void (*down)(struct rtl8169_private *);
|
|
void (*up)(struct rtl8169_private *);
|
|
} pll_power_ops;
|
|
|
|
int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
|
|
int (*get_settings)(struct net_device *, struct ethtool_cmd *);
|
|
void (*phy_reset_enable)(struct rtl8169_private *tp);
|
|
void (*hw_start)(struct net_device *);
|
|
unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
|
|
unsigned int (*link_ok)(void __iomem *);
|
|
int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
|
|
struct delayed_work task;
|
|
unsigned features;
|
|
|
|
struct mii_if_info mii;
|
|
struct rtl8169_counters counters;
|
|
u32 saved_wolopts;
|
|
|
|
struct rtl_fw {
|
|
const struct firmware *fw;
|
|
|
|
#define RTL_VER_SIZE 32
|
|
|
|
char version[RTL_VER_SIZE];
|
|
|
|
struct rtl_fw_phy_action {
|
|
__le32 *code;
|
|
size_t size;
|
|
} phy_action;
|
|
} *rtl_fw;
|
|
#define RTL_FIRMWARE_UNKNOWN ERR_PTR(-EAGAIN)
|
|
};
|
|
|
|
MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
|
|
MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
|
|
module_param(use_dac, int, 0);
|
|
MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
|
|
module_param_named(debug, debug.msg_enable, int, 0);
|
|
MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION(RTL8169_VERSION);
|
|
MODULE_FIRMWARE(FIRMWARE_8168D_1);
|
|
MODULE_FIRMWARE(FIRMWARE_8168D_2);
|
|
MODULE_FIRMWARE(FIRMWARE_8168E_1);
|
|
MODULE_FIRMWARE(FIRMWARE_8168E_2);
|
|
MODULE_FIRMWARE(FIRMWARE_8105E_1);
|
|
|
|
static int rtl8169_open(struct net_device *dev);
|
|
static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
|
|
struct net_device *dev);
|
|
static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
|
|
static int rtl8169_init_ring(struct net_device *dev);
|
|
static void rtl_hw_start(struct net_device *dev);
|
|
static int rtl8169_close(struct net_device *dev);
|
|
static void rtl_set_rx_mode(struct net_device *dev);
|
|
static void rtl8169_tx_timeout(struct net_device *dev);
|
|
static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
|
|
static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
|
|
void __iomem *, u32 budget);
|
|
static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
|
|
static void rtl8169_down(struct net_device *dev);
|
|
static void rtl8169_rx_clear(struct rtl8169_private *tp);
|
|
static int rtl8169_poll(struct napi_struct *napi, int budget);
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
int i;
|
|
|
|
RTL_W8(ERIDR, cmd);
|
|
RTL_W32(ERIAR, 0x800010e8);
|
|
msleep(2);
|
|
for (i = 0; i < 5; i++) {
|
|
udelay(100);
|
|
if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
|
|
break;
|
|
}
|
|
|
|
ocp_write(tp, 0x1, 0x30, 0x00000001);
|
|
}
|
|
|
|
#define OOB_CMD_RESET 0x00
|
|
#define OOB_CMD_DRIVER_START 0x05
|
|
#define OOB_CMD_DRIVER_STOP 0x06
|
|
|
|
static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
|
|
{
|
|
return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
|
|
}
|
|
|
|
static void rtl8168_driver_start(struct rtl8169_private *tp)
|
|
{
|
|
u16 reg;
|
|
int i;
|
|
|
|
rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
|
|
|
|
reg = rtl8168_get_ocp_reg(tp);
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
msleep(10);
|
|
if (ocp_read(tp, 0x0f, reg) & 0x00000800)
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void rtl8168_driver_stop(struct rtl8169_private *tp)
|
|
{
|
|
u16 reg;
|
|
int i;
|
|
|
|
rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
|
|
|
|
reg = rtl8168_get_ocp_reg(tp);
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
msleep(10);
|
|
if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int r8168dp_check_dash(struct rtl8169_private *tp)
|
|
{
|
|
u16 reg = rtl8168_get_ocp_reg(tp);
|
|
|
|
return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
|
|
}
|
|
|
|
static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
|
|
{
|
|
int i;
|
|
|
|
RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
|
|
|
|
for (i = 20; i > 0; i--) {
|
|
/*
|
|
* Check if the RTL8169 has completed writing to the specified
|
|
* MII register.
|
|
*/
|
|
if (!(RTL_R32(PHYAR) & 0x80000000))
|
|
break;
|
|
udelay(25);
|
|
}
|
|
/*
|
|
* According to hardware specs a 20us delay is required after write
|
|
* complete indication, but before sending next command.
|
|
*/
|
|
udelay(20);
|
|
}
|
|
|
|
static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
|
|
{
|
|
int i, value = -1;
|
|
|
|
RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
|
|
|
|
for (i = 20; i > 0; i--) {
|
|
/*
|
|
* Check if the RTL8169 has completed retrieving data from
|
|
* the specified MII register.
|
|
*/
|
|
if (RTL_R32(PHYAR) & 0x80000000) {
|
|
value = RTL_R32(PHYAR) & 0xffff;
|
|
break;
|
|
}
|
|
udelay(25);
|
|
}
|
|
/*
|
|
* According to hardware specs a 20us delay is required after read
|
|
* complete indication, but before sending next command.
|
|
*/
|
|
udelay(20);
|
|
|
|
return value;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
#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;
|
|
}
|
|
|
|
static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
|
|
{
|
|
tp->mdio_ops.write(tp->mmio_addr, location, val);
|
|
}
|
|
|
|
static int rtl_readphy(struct rtl8169_private *tp, int location)
|
|
{
|
|
return tp->mdio_ops.read(tp->mmio_addr, location);
|
|
}
|
|
|
|
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)
|
|
{
|
|
int val;
|
|
|
|
val = rtl_readphy(tp, reg_addr);
|
|
rtl_writephy(tp, reg_addr, (val | p) & ~m);
|
|
}
|
|
|
|
static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
|
|
int val)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
|
|
rtl_writephy(tp, location, val);
|
|
}
|
|
|
|
static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
|
|
return rtl_readphy(tp, location);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
static
|
|
void rtl_eri_write(void __iomem *ioaddr, int addr, u32 mask, u32 val, int type)
|
|
{
|
|
unsigned int i;
|
|
|
|
BUG_ON((addr & 3) || (mask == 0));
|
|
RTL_W32(ERIDR, val);
|
|
RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
|
|
|
|
for (i = 0; i < 100; i++) {
|
|
if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
|
|
break;
|
|
udelay(100);
|
|
}
|
|
}
|
|
|
|
static u32 rtl_eri_read(void __iomem *ioaddr, int addr, int type)
|
|
{
|
|
u32 value = ~0x00;
|
|
unsigned int i;
|
|
|
|
RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
|
|
|
|
for (i = 0; i < 100; i++) {
|
|
if (RTL_R32(ERIAR) & ERIAR_FLAG) {
|
|
value = RTL_R32(ERIDR);
|
|
break;
|
|
}
|
|
udelay(100);
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
static void
|
|
rtl_w1w0_eri(void __iomem *ioaddr, int addr, u32 mask, u32 p, u32 m, int type)
|
|
{
|
|
u32 val;
|
|
|
|
val = rtl_eri_read(ioaddr, addr, type);
|
|
rtl_eri_write(ioaddr, addr, mask, (val & ~m) | p, type);
|
|
}
|
|
|
|
struct exgmac_reg {
|
|
u16 addr;
|
|
u16 mask;
|
|
u32 val;
|
|
};
|
|
|
|
static void rtl_write_exgmac_batch(void __iomem *ioaddr,
|
|
const struct exgmac_reg *r, int len)
|
|
{
|
|
while (len-- > 0) {
|
|
rtl_eri_write(ioaddr, r->addr, r->mask, r->val, ERIAR_EXGMAC);
|
|
r++;
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
|
|
{
|
|
RTL_W16(IntrMask, 0x0000);
|
|
|
|
RTL_W16(IntrStatus, 0xffff);
|
|
}
|
|
|
|
static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
return RTL_R32(TBICSR) & TBIReset;
|
|
}
|
|
|
|
static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
|
|
{
|
|
return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
|
|
}
|
|
|
|
static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
|
|
{
|
|
unsigned int val;
|
|
|
|
val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
|
|
rtl_writephy(tp, MII_BMCR, val & 0xffff);
|
|
}
|
|
|
|
static void rtl_link_chg_patch(struct rtl8169_private *tp)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
struct net_device *dev = tp->dev;
|
|
|
|
if (!netif_running(dev))
|
|
return;
|
|
|
|
if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
|
|
if (RTL_R8(PHYstatus) & _1000bpsF) {
|
|
rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
|
|
0x00000011, ERIAR_EXGMAC);
|
|
rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
|
|
0x00000005, ERIAR_EXGMAC);
|
|
} else if (RTL_R8(PHYstatus) & _100bps) {
|
|
rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
|
|
0x0000001f, ERIAR_EXGMAC);
|
|
rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
|
|
0x00000005, ERIAR_EXGMAC);
|
|
} else {
|
|
rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
|
|
0x0000001f, ERIAR_EXGMAC);
|
|
rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
|
|
0x0000003f, ERIAR_EXGMAC);
|
|
}
|
|
/* Reset packet filter */
|
|
rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
|
|
ERIAR_EXGMAC);
|
|
rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
|
|
ERIAR_EXGMAC);
|
|
}
|
|
}
|
|
|
|
static void __rtl8169_check_link_status(struct net_device *dev,
|
|
struct rtl8169_private *tp,
|
|
void __iomem *ioaddr, bool pm)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&tp->lock, flags);
|
|
if (tp->link_ok(ioaddr)) {
|
|
rtl_link_chg_patch(tp);
|
|
/* This is to cancel a scheduled suspend if there's one. */
|
|
if (pm)
|
|
pm_request_resume(&tp->pci_dev->dev);
|
|
netif_carrier_on(dev);
|
|
if (net_ratelimit())
|
|
netif_info(tp, ifup, dev, "link up\n");
|
|
} else {
|
|
netif_carrier_off(dev);
|
|
netif_info(tp, ifdown, dev, "link down\n");
|
|
if (pm)
|
|
pm_schedule_suspend(&tp->pci_dev->dev, 100);
|
|
}
|
|
spin_unlock_irqrestore(&tp->lock, flags);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
|
|
|
|
static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
u8 options;
|
|
u32 wolopts = 0;
|
|
|
|
options = RTL_R8(Config1);
|
|
if (!(options & PMEnable))
|
|
return 0;
|
|
|
|
options = RTL_R8(Config3);
|
|
if (options & LinkUp)
|
|
wolopts |= WAKE_PHY;
|
|
if (options & MagicPacket)
|
|
wolopts |= WAKE_MAGIC;
|
|
|
|
options = RTL_R8(Config5);
|
|
if (options & UWF)
|
|
wolopts |= WAKE_UCAST;
|
|
if (options & BWF)
|
|
wolopts |= WAKE_BCAST;
|
|
if (options & MWF)
|
|
wolopts |= WAKE_MCAST;
|
|
|
|
return wolopts;
|
|
}
|
|
|
|
static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
|
|
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)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
unsigned int i;
|
|
static const struct {
|
|
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;
|
|
if (wolopts & cfg[i].opt)
|
|
options |= cfg[i].mask;
|
|
RTL_W8(cfg[i].reg, options);
|
|
}
|
|
|
|
RTL_W8(Cfg9346, Cfg9346_Lock);
|
|
}
|
|
|
|
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);
|
|
|
|
if (wol->wolopts)
|
|
tp->features |= RTL_FEATURE_WOL;
|
|
else
|
|
tp->features &= ~RTL_FEATURE_WOL;
|
|
__rtl8169_set_wol(tp, wol->wolopts);
|
|
spin_unlock_irq(&tp->lock);
|
|
|
|
device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
|
|
{
|
|
return rtl_chip_infos[tp->mac_version].fw_name;
|
|
}
|
|
|
|
static void rtl8169_get_drvinfo(struct net_device *dev,
|
|
struct ethtool_drvinfo *info)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
struct rtl_fw *rtl_fw = tp->rtl_fw;
|
|
|
|
strcpy(info->driver, MODULENAME);
|
|
strcpy(info->version, RTL8169_VERSION);
|
|
strcpy(info->bus_info, pci_name(tp->pci_dev));
|
|
BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
|
|
strcpy(info->fw_version, IS_ERR_OR_NULL(rtl_fw) ? "N/A" :
|
|
rtl_fw->version);
|
|
}
|
|
|
|
static int rtl8169_get_regs_len(struct net_device *dev)
|
|
{
|
|
return R8169_REGS_SIZE;
|
|
}
|
|
|
|
static int rtl8169_set_speed_tbi(struct net_device *dev,
|
|
u8 autoneg, u16 speed, u8 duplex, u32 ignored)
|
|
{
|
|
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 {
|
|
netif_warn(tp, link, dev,
|
|
"incorrect speed setting refused in TBI mode\n");
|
|
ret = -EOPNOTSUPP;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8169_set_speed_xmii(struct net_device *dev,
|
|
u8 autoneg, u16 speed, u8 duplex, u32 adv)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
int giga_ctrl, bmcr;
|
|
int rc = -EINVAL;
|
|
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
|
|
if (autoneg == AUTONEG_ENABLE) {
|
|
int auto_nego;
|
|
|
|
auto_nego = rtl_readphy(tp, MII_ADVERTISE);
|
|
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;
|
|
|
|
auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
|
|
|
|
giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
|
|
giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
|
|
|
|
/* The 8100e/8101e/8102e do Fast Ethernet only. */
|
|
if (tp->mii.supports_gmii) {
|
|
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)) {
|
|
netif_info(tp, link, dev,
|
|
"PHY does not support 1000Mbps\n");
|
|
goto out;
|
|
}
|
|
|
|
bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
|
|
|
|
rtl_writephy(tp, MII_ADVERTISE, auto_nego);
|
|
rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
|
|
} else {
|
|
giga_ctrl = 0;
|
|
|
|
if (speed == SPEED_10)
|
|
bmcr = 0;
|
|
else if (speed == SPEED_100)
|
|
bmcr = BMCR_SPEED100;
|
|
else
|
|
goto out;
|
|
|
|
if (duplex == DUPLEX_FULL)
|
|
bmcr |= BMCR_FULLDPLX;
|
|
}
|
|
|
|
rtl_writephy(tp, MII_BMCR, bmcr);
|
|
|
|
if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
|
|
tp->mac_version == RTL_GIGA_MAC_VER_03) {
|
|
if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
|
|
rtl_writephy(tp, 0x17, 0x2138);
|
|
rtl_writephy(tp, 0x0e, 0x0260);
|
|
} else {
|
|
rtl_writephy(tp, 0x17, 0x2108);
|
|
rtl_writephy(tp, 0x0e, 0x0000);
|
|
}
|
|
}
|
|
|
|
rc = 0;
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static int rtl8169_set_speed(struct net_device *dev,
|
|
u8 autoneg, u16 speed, u8 duplex, u32 advertising)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
int ret;
|
|
|
|
ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
|
|
(advertising & ADVERTISED_1000baseT_Full)) {
|
|
mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
|
|
}
|
|
out:
|
|
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;
|
|
|
|
del_timer_sync(&tp->timer);
|
|
|
|
spin_lock_irqsave(&tp->lock, flags);
|
|
ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
|
|
cmd->duplex, cmd->advertising);
|
|
spin_unlock_irqrestore(&tp->lock, flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static u32 rtl8169_fix_features(struct net_device *dev, u32 features)
|
|
{
|
|
if (dev->mtu > TD_MSS_MAX)
|
|
features &= ~NETIF_F_ALL_TSO;
|
|
|
|
return features;
|
|
}
|
|
|
|
static int rtl8169_set_features(struct net_device *dev, u32 features)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&tp->lock, flags);
|
|
|
|
if (features & NETIF_F_RXCSUM)
|
|
tp->cp_cmd |= RxChkSum;
|
|
else
|
|
tp->cp_cmd &= ~RxChkSum;
|
|
|
|
if (dev->features & NETIF_F_HW_VLAN_RX)
|
|
tp->cp_cmd |= RxVlan;
|
|
else
|
|
tp->cp_cmd &= ~RxVlan;
|
|
|
|
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)
|
|
{
|
|
return (vlan_tx_tag_present(skb)) ?
|
|
TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
|
|
}
|
|
|
|
static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
|
|
{
|
|
u32 opts2 = le32_to_cpu(desc->opts2);
|
|
|
|
if (opts2 & RxVlanTag)
|
|
__vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
|
|
|
|
desc->opts2 = 0;
|
|
}
|
|
|
|
static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
|
|
{
|
|
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);
|
|
|
|
ethtool_cmd_speed_set(cmd, SPEED_1000);
|
|
cmd->duplex = DUPLEX_FULL; /* Always set */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
|
|
return mii_ethtool_gset(&tp->mii, cmd);
|
|
}
|
|
|
|
static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
unsigned long flags;
|
|
int rc;
|
|
|
|
spin_lock_irqsave(&tp->lock, flags);
|
|
|
|
rc = tp->get_settings(dev, cmd);
|
|
|
|
spin_unlock_irqrestore(&tp->lock, flags);
|
|
return rc;
|
|
}
|
|
|
|
static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
|
|
void *p)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
unsigned long flags;
|
|
|
|
if (regs->len > R8169_REGS_SIZE)
|
|
regs->len = R8169_REGS_SIZE;
|
|
|
|
spin_lock_irqsave(&tp->lock, flags);
|
|
memcpy_fromio(p, tp->mmio_addr, regs->len);
|
|
spin_unlock_irqrestore(&tp->lock, flags);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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",
|
|
};
|
|
|
|
static int rtl8169_get_sset_count(struct net_device *dev, int sset)
|
|
{
|
|
switch (sset) {
|
|
case ETH_SS_STATS:
|
|
return ARRAY_SIZE(rtl8169_gstrings);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static void rtl8169_update_counters(struct net_device *dev)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
struct device *d = &tp->pci_dev->dev;
|
|
struct rtl8169_counters *counters;
|
|
dma_addr_t paddr;
|
|
u32 cmd;
|
|
int wait = 1000;
|
|
|
|
/*
|
|
* Some chips are unable to dump tally counters when the receiver
|
|
* is disabled.
|
|
*/
|
|
if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
|
|
return;
|
|
|
|
counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
|
|
if (!counters)
|
|
return;
|
|
|
|
RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
|
|
cmd = (u64)paddr & DMA_BIT_MASK(32);
|
|
RTL_W32(CounterAddrLow, cmd);
|
|
RTL_W32(CounterAddrLow, cmd | CounterDump);
|
|
|
|
while (wait--) {
|
|
if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
|
|
memcpy(&tp->counters, counters, sizeof(*counters));
|
|
break;
|
|
}
|
|
udelay(10);
|
|
}
|
|
|
|
RTL_W32(CounterAddrLow, 0);
|
|
RTL_W32(CounterAddrHigh, 0);
|
|
|
|
dma_free_coherent(d, sizeof(*counters), counters, paddr);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
static const struct ethtool_ops rtl8169_ethtool_ops = {
|
|
.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,
|
|
.get_msglevel = rtl8169_get_msglevel,
|
|
.set_msglevel = rtl8169_set_msglevel,
|
|
.get_regs = rtl8169_get_regs,
|
|
.get_wol = rtl8169_get_wol,
|
|
.set_wol = rtl8169_set_wol,
|
|
.get_strings = rtl8169_get_strings,
|
|
.get_sset_count = rtl8169_get_sset_count,
|
|
.get_ethtool_stats = rtl8169_get_ethtool_stats,
|
|
};
|
|
|
|
static void rtl8169_get_mac_version(struct rtl8169_private *tp,
|
|
struct net_device *dev, u8 default_version)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
/*
|
|
* 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
|
|
*
|
|
* Same thing for the 8101Eb and the 8101Ec:
|
|
*
|
|
* (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
|
|
*/
|
|
static const struct rtl_mac_info {
|
|
u32 mask;
|
|
u32 val;
|
|
int mac_version;
|
|
} mac_info[] = {
|
|
/* 8168E family. */
|
|
{ 0x7c800000, 0x2c800000, RTL_GIGA_MAC_VER_34 },
|
|
{ 0x7cf00000, 0x2c200000, RTL_GIGA_MAC_VER_33 },
|
|
{ 0x7cf00000, 0x2c100000, RTL_GIGA_MAC_VER_32 },
|
|
{ 0x7c800000, 0x2c000000, RTL_GIGA_MAC_VER_33 },
|
|
|
|
/* 8168D family. */
|
|
{ 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 },
|
|
{ 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 },
|
|
{ 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 },
|
|
|
|
/* 8168DP family. */
|
|
{ 0x7cf00000, 0x28800000, RTL_GIGA_MAC_VER_27 },
|
|
{ 0x7cf00000, 0x28a00000, RTL_GIGA_MAC_VER_28 },
|
|
{ 0x7cf00000, 0x28b00000, RTL_GIGA_MAC_VER_31 },
|
|
|
|
/* 8168C family. */
|
|
{ 0x7cf00000, 0x3cb00000, RTL_GIGA_MAC_VER_24 },
|
|
{ 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 },
|
|
{ 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
|
|
{ 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 },
|
|
{ 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
|
|
{ 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
|
|
{ 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 },
|
|
{ 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 },
|
|
{ 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 },
|
|
|
|
/* 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. */
|
|
{ 0x7cf00000, 0x40b00000, RTL_GIGA_MAC_VER_30 },
|
|
{ 0x7cf00000, 0x40a00000, RTL_GIGA_MAC_VER_30 },
|
|
{ 0x7cf00000, 0x40900000, RTL_GIGA_MAC_VER_29 },
|
|
{ 0x7c800000, 0x40800000, RTL_GIGA_MAC_VER_30 },
|
|
{ 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 },
|
|
{ 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
|
|
{ 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 },
|
|
{ 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
|
|
{ 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 },
|
|
{ 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 },
|
|
{ 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 },
|
|
|
|
/* Catch-all */
|
|
{ 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE }
|
|
};
|
|
const struct rtl_mac_info *p = mac_info;
|
|
u32 reg;
|
|
|
|
reg = RTL_R32(TxConfig);
|
|
while ((reg & p->mask) != p->val)
|
|
p++;
|
|
tp->mac_version = p->mac_version;
|
|
|
|
if (tp->mac_version == RTL_GIGA_MAC_NONE) {
|
|
netif_notice(tp, probe, dev,
|
|
"unknown MAC, using family default\n");
|
|
tp->mac_version = default_version;
|
|
}
|
|
}
|
|
|
|
static void rtl8169_print_mac_version(struct rtl8169_private *tp)
|
|
{
|
|
dprintk("mac_version = 0x%02x\n", tp->mac_version);
|
|
}
|
|
|
|
struct phy_reg {
|
|
u16 reg;
|
|
u16 val;
|
|
};
|
|
|
|
static void rtl_writephy_batch(struct rtl8169_private *tp,
|
|
const struct phy_reg *regs, int len)
|
|
{
|
|
while (len-- > 0) {
|
|
rtl_writephy(tp, regs->reg, regs->val);
|
|
regs++;
|
|
}
|
|
}
|
|
|
|
#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
|
|
|
|
struct fw_info {
|
|
u32 magic;
|
|
char version[RTL_VER_SIZE];
|
|
__le32 fw_start;
|
|
__le32 fw_len;
|
|
u8 chksum;
|
|
} __packed;
|
|
|
|
#define FW_OPCODE_SIZE sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
|
|
|
|
static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
|
|
{
|
|
const struct firmware *fw = rtl_fw->fw;
|
|
struct fw_info *fw_info = (struct fw_info *)fw->data;
|
|
struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
|
|
char *version = rtl_fw->version;
|
|
bool rc = false;
|
|
|
|
if (fw->size < FW_OPCODE_SIZE)
|
|
goto out;
|
|
|
|
if (!fw_info->magic) {
|
|
size_t i, size, start;
|
|
u8 checksum = 0;
|
|
|
|
if (fw->size < sizeof(*fw_info))
|
|
goto out;
|
|
|
|
for (i = 0; i < fw->size; i++)
|
|
checksum += fw->data[i];
|
|
if (checksum != 0)
|
|
goto out;
|
|
|
|
start = le32_to_cpu(fw_info->fw_start);
|
|
if (start > fw->size)
|
|
goto out;
|
|
|
|
size = le32_to_cpu(fw_info->fw_len);
|
|
if (size > (fw->size - start) / FW_OPCODE_SIZE)
|
|
goto out;
|
|
|
|
memcpy(version, fw_info->version, RTL_VER_SIZE);
|
|
|
|
pa->code = (__le32 *)(fw->data + start);
|
|
pa->size = size;
|
|
} else {
|
|
if (fw->size % FW_OPCODE_SIZE)
|
|
goto out;
|
|
|
|
strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
|
|
|
|
pa->code = (__le32 *)fw->data;
|
|
pa->size = fw->size / FW_OPCODE_SIZE;
|
|
}
|
|
version[RTL_VER_SIZE - 1] = 0;
|
|
|
|
rc = true;
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
|
|
struct rtl_fw_phy_action *pa)
|
|
{
|
|
bool rc = false;
|
|
size_t index;
|
|
|
|
for (index = 0; index < pa->size; index++) {
|
|
u32 action = le32_to_cpu(pa->code[index]);
|
|
u32 regno = (action & 0x0fff0000) >> 16;
|
|
|
|
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, ifup, tp->dev,
|
|
"Out of range of firmware\n");
|
|
goto out;
|
|
}
|
|
break;
|
|
case PHY_READCOUNT_EQ_SKIP:
|
|
if (index + 2 >= pa->size) {
|
|
netif_err(tp, ifup, tp->dev,
|
|
"Out of range of firmware\n");
|
|
goto out;
|
|
}
|
|
break;
|
|
case PHY_COMP_EQ_SKIPN:
|
|
case PHY_COMP_NEQ_SKIPN:
|
|
case PHY_SKIPN:
|
|
if (index + 1 + regno >= pa->size) {
|
|
netif_err(tp, ifup, tp->dev,
|
|
"Out of range of firmware\n");
|
|
goto out;
|
|
}
|
|
break;
|
|
|
|
case PHY_READ_MAC_BYTE:
|
|
case PHY_WRITE_MAC_BYTE:
|
|
case PHY_WRITE_ERI_WORD:
|
|
default:
|
|
netif_err(tp, ifup, tp->dev,
|
|
"Invalid action 0x%08x\n", action);
|
|
goto out;
|
|
}
|
|
}
|
|
rc = true;
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
|
|
{
|
|
struct net_device *dev = tp->dev;
|
|
int rc = -EINVAL;
|
|
|
|
if (!rtl_fw_format_ok(tp, rtl_fw)) {
|
|
netif_err(tp, ifup, dev, "invalid firwmare\n");
|
|
goto out;
|
|
}
|
|
|
|
if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
|
|
rc = 0;
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
|
|
{
|
|
struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
|
|
u32 predata, count;
|
|
size_t index;
|
|
|
|
predata = count = 0;
|
|
|
|
for (index = 0; index < pa->size; ) {
|
|
u32 action = le32_to_cpu(pa->code[index]);
|
|
u32 data = action & 0x0000ffff;
|
|
u32 regno = (action & 0x0fff0000) >> 16;
|
|
|
|
if (!action)
|
|
break;
|
|
|
|
switch(action & 0xf0000000) {
|
|
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;
|
|
case PHY_WRITE:
|
|
rtl_writephy(tp, regno, data);
|
|
index++;
|
|
break;
|
|
case PHY_READCOUNT_EQ_SKIP:
|
|
index += (count == data) ? 2 : 1;
|
|
break;
|
|
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:
|
|
default:
|
|
BUG();
|
|
}
|
|
}
|
|
}
|
|
|
|
static void rtl_release_firmware(struct rtl8169_private *tp)
|
|
{
|
|
if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
|
|
release_firmware(tp->rtl_fw->fw);
|
|
kfree(tp->rtl_fw);
|
|
}
|
|
tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
|
|
}
|
|
|
|
static void rtl_apply_firmware(struct rtl8169_private *tp)
|
|
{
|
|
struct rtl_fw *rtl_fw = tp->rtl_fw;
|
|
|
|
/* TODO: release firmware once rtl_phy_write_fw signals failures. */
|
|
if (!IS_ERR_OR_NULL(rtl_fw))
|
|
rtl_phy_write_fw(tp, rtl_fw);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0001 },
|
|
{ 0x06, 0x006e },
|
|
{ 0x08, 0x0708 },
|
|
{ 0x15, 0x4000 },
|
|
{ 0x18, 0x65c7 },
|
|
|
|
{ 0x1f, 0x0001 },
|
|
{ 0x03, 0x00a1 },
|
|
{ 0x02, 0x0008 },
|
|
{ 0x01, 0x0120 },
|
|
{ 0x00, 0x1000 },
|
|
{ 0x04, 0x0800 },
|
|
{ 0x04, 0x0000 },
|
|
|
|
{ 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 }
|
|
};
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
}
|
|
|
|
static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0002 },
|
|
{ 0x01, 0x90d0 },
|
|
{ 0x1f, 0x0000 }
|
|
};
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
}
|
|
|
|
static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
|
|
{
|
|
struct pci_dev *pdev = tp->pci_dev;
|
|
|
|
if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
|
|
(pdev->subsystem_device != 0xe000))
|
|
return;
|
|
|
|
rtl_writephy(tp, 0x1f, 0x0001);
|
|
rtl_writephy(tp, 0x10, 0xf01b);
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
}
|
|
|
|
static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 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 }
|
|
};
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
|
|
rtl8169scd_hw_phy_config_quirk(tp);
|
|
}
|
|
|
|
static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 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 }
|
|
};
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
}
|
|
|
|
static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x10, 0xf41b },
|
|
{ 0x1f, 0x0000 }
|
|
};
|
|
|
|
rtl_writephy(tp, 0x1f, 0x0001);
|
|
rtl_patchphy(tp, 0x16, 1 << 0);
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
}
|
|
|
|
static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0001 },
|
|
{ 0x10, 0xf41b },
|
|
{ 0x1f, 0x0000 }
|
|
};
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
}
|
|
|
|
static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0000 },
|
|
{ 0x1d, 0x0f00 },
|
|
{ 0x1f, 0x0002 },
|
|
{ 0x0c, 0x1ec8 },
|
|
{ 0x1f, 0x0000 }
|
|
};
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
}
|
|
|
|
static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0001 },
|
|
{ 0x1d, 0x3d98 },
|
|
{ 0x1f, 0x0000 }
|
|
};
|
|
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
rtl_patchphy(tp, 0x14, 1 << 5);
|
|
rtl_patchphy(tp, 0x0d, 1 << 5);
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
}
|
|
|
|
static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0001 },
|
|
{ 0x12, 0x2300 },
|
|
{ 0x1f, 0x0002 },
|
|
{ 0x00, 0x88d4 },
|
|
{ 0x01, 0x82b1 },
|
|
{ 0x03, 0x7002 },
|
|
{ 0x08, 0x9e30 },
|
|
{ 0x09, 0x01f0 },
|
|
{ 0x0a, 0x5500 },
|
|
{ 0x0c, 0x00c8 },
|
|
{ 0x1f, 0x0003 },
|
|
{ 0x12, 0xc096 },
|
|
{ 0x16, 0x000a },
|
|
{ 0x1f, 0x0000 },
|
|
{ 0x1f, 0x0000 },
|
|
{ 0x09, 0x2000 },
|
|
{ 0x09, 0x0000 }
|
|
};
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
|
|
rtl_patchphy(tp, 0x14, 1 << 5);
|
|
rtl_patchphy(tp, 0x0d, 1 << 5);
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
}
|
|
|
|
static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0001 },
|
|
{ 0x12, 0x2300 },
|
|
{ 0x03, 0x802f },
|
|
{ 0x02, 0x4f02 },
|
|
{ 0x01, 0x0409 },
|
|
{ 0x00, 0xf099 },
|
|
{ 0x04, 0x9800 },
|
|
{ 0x04, 0x9000 },
|
|
{ 0x1d, 0x3d98 },
|
|
{ 0x1f, 0x0002 },
|
|
{ 0x0c, 0x7eb8 },
|
|
{ 0x06, 0x0761 },
|
|
{ 0x1f, 0x0003 },
|
|
{ 0x16, 0x0f0a },
|
|
{ 0x1f, 0x0000 }
|
|
};
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
|
|
rtl_patchphy(tp, 0x16, 1 << 0);
|
|
rtl_patchphy(tp, 0x14, 1 << 5);
|
|
rtl_patchphy(tp, 0x0d, 1 << 5);
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
}
|
|
|
|
static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0001 },
|
|
{ 0x12, 0x2300 },
|
|
{ 0x1d, 0x3d98 },
|
|
{ 0x1f, 0x0002 },
|
|
{ 0x0c, 0x7eb8 },
|
|
{ 0x06, 0x5461 },
|
|
{ 0x1f, 0x0003 },
|
|
{ 0x16, 0x0f0a },
|
|
{ 0x1f, 0x0000 }
|
|
};
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
|
|
rtl_patchphy(tp, 0x16, 1 << 0);
|
|
rtl_patchphy(tp, 0x14, 1 << 5);
|
|
rtl_patchphy(tp, 0x0d, 1 << 5);
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
}
|
|
|
|
static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
rtl8168c_3_hw_phy_config(tp);
|
|
}
|
|
|
|
static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init_0[] = {
|
|
/* Channel Estimation */
|
|
{ 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 },
|
|
|
|
/*
|
|
* Tx Error Issue
|
|
* Enhance line driver power
|
|
*/
|
|
{ 0x1f, 0x0002 },
|
|
{ 0x06, 0x5561 },
|
|
{ 0x1f, 0x0005 },
|
|
{ 0x05, 0x8332 },
|
|
{ 0x06, 0x5561 },
|
|
|
|
/*
|
|
* Can not link to 1Gbps with bad cable
|
|
* Decrease SNR threshold form 21.07dB to 19.04dB
|
|
*/
|
|
{ 0x1f, 0x0001 },
|
|
{ 0x17, 0x0cc0 },
|
|
|
|
{ 0x1f, 0x0000 },
|
|
{ 0x0d, 0xf880 }
|
|
};
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
|
|
|
|
/*
|
|
* Rx Error Issue
|
|
* Fine Tune Switching regulator parameter
|
|
*/
|
|
rtl_writephy(tp, 0x1f, 0x0002);
|
|
rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
|
|
rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
|
|
|
|
if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0002 },
|
|
{ 0x05, 0x669a },
|
|
{ 0x1f, 0x0005 },
|
|
{ 0x05, 0x8330 },
|
|
{ 0x06, 0x669a },
|
|
{ 0x1f, 0x0002 }
|
|
};
|
|
int val;
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
|
|
val = rtl_readphy(tp, 0x0d);
|
|
|
|
if ((val & 0x00ff) != 0x006c) {
|
|
static const u32 set[] = {
|
|
0x0065, 0x0066, 0x0067, 0x0068,
|
|
0x0069, 0x006a, 0x006b, 0x006c
|
|
};
|
|
int i;
|
|
|
|
rtl_writephy(tp, 0x1f, 0x0002);
|
|
|
|
val &= 0xff00;
|
|
for (i = 0; i < ARRAY_SIZE(set); i++)
|
|
rtl_writephy(tp, 0x0d, val | set[i]);
|
|
}
|
|
} else {
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0002 },
|
|
{ 0x05, 0x6662 },
|
|
{ 0x1f, 0x0005 },
|
|
{ 0x05, 0x8330 },
|
|
{ 0x06, 0x6662 }
|
|
};
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
}
|
|
|
|
/* RSET couple improve */
|
|
rtl_writephy(tp, 0x1f, 0x0002);
|
|
rtl_patchphy(tp, 0x0d, 0x0300);
|
|
rtl_patchphy(tp, 0x0f, 0x0010);
|
|
|
|
/* Fine tune PLL performance */
|
|
rtl_writephy(tp, 0x1f, 0x0002);
|
|
rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
|
|
rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
|
|
|
|
rtl_writephy(tp, 0x1f, 0x0005);
|
|
rtl_writephy(tp, 0x05, 0x001b);
|
|
|
|
rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
|
|
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
}
|
|
|
|
static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init_0[] = {
|
|
/* Channel Estimation */
|
|
{ 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 },
|
|
|
|
/*
|
|
* Tx Error Issue
|
|
* Enhance line driver power
|
|
*/
|
|
{ 0x1f, 0x0002 },
|
|
{ 0x06, 0x5561 },
|
|
{ 0x1f, 0x0005 },
|
|
{ 0x05, 0x8332 },
|
|
{ 0x06, 0x5561 },
|
|
|
|
/*
|
|
* Can not link to 1Gbps with bad cable
|
|
* Decrease SNR threshold form 21.07dB to 19.04dB
|
|
*/
|
|
{ 0x1f, 0x0001 },
|
|
{ 0x17, 0x0cc0 },
|
|
|
|
{ 0x1f, 0x0000 },
|
|
{ 0x0d, 0xf880 }
|
|
};
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
|
|
|
|
if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0002 },
|
|
{ 0x05, 0x669a },
|
|
{ 0x1f, 0x0005 },
|
|
{ 0x05, 0x8330 },
|
|
{ 0x06, 0x669a },
|
|
|
|
{ 0x1f, 0x0002 }
|
|
};
|
|
int val;
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
|
|
val = rtl_readphy(tp, 0x0d);
|
|
if ((val & 0x00ff) != 0x006c) {
|
|
static const u32 set[] = {
|
|
0x0065, 0x0066, 0x0067, 0x0068,
|
|
0x0069, 0x006a, 0x006b, 0x006c
|
|
};
|
|
int i;
|
|
|
|
rtl_writephy(tp, 0x1f, 0x0002);
|
|
|
|
val &= 0xff00;
|
|
for (i = 0; i < ARRAY_SIZE(set); i++)
|
|
rtl_writephy(tp, 0x0d, val | set[i]);
|
|
}
|
|
} else {
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0002 },
|
|
{ 0x05, 0x2642 },
|
|
{ 0x1f, 0x0005 },
|
|
{ 0x05, 0x8330 },
|
|
{ 0x06, 0x2642 }
|
|
};
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
}
|
|
|
|
/* Fine tune PLL performance */
|
|
rtl_writephy(tp, 0x1f, 0x0002);
|
|
rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
|
|
rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
|
|
|
|
/* Switching regulator Slew rate */
|
|
rtl_writephy(tp, 0x1f, 0x0002);
|
|
rtl_patchphy(tp, 0x0f, 0x0017);
|
|
|
|
rtl_writephy(tp, 0x1f, 0x0005);
|
|
rtl_writephy(tp, 0x05, 0x001b);
|
|
|
|
rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
|
|
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
}
|
|
|
|
static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 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 }
|
|
};
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static void rtl8168e_1_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 }
|
|
};
|
|
|
|
rtl_apply_firmware(tp);
|
|
|
|
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);
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
|
|
/* 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);
|
|
}
|
|
|
|
static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
/* Enable Delay cap */
|
|
{ 0x1f, 0x0004 },
|
|
{ 0x1f, 0x0007 },
|
|
{ 0x1e, 0x00ac },
|
|
{ 0x18, 0x0006 },
|
|
{ 0x1f, 0x0002 },
|
|
{ 0x1f, 0x0000 },
|
|
{ 0x1f, 0x0000 },
|
|
|
|
/* Channel estimation fine tune */
|
|
{ 0x1f, 0x0003 },
|
|
{ 0x09, 0xa20f },
|
|
{ 0x1f, 0x0000 },
|
|
{ 0x1f, 0x0000 },
|
|
|
|
/* Green Setting */
|
|
{ 0x1f, 0x0005 },
|
|
{ 0x05, 0x8b5b },
|
|
{ 0x06, 0x9222 },
|
|
{ 0x05, 0x8b6d },
|
|
{ 0x06, 0x8000 },
|
|
{ 0x05, 0x8b76 },
|
|
{ 0x06, 0x8000 },
|
|
{ 0x1f, 0x0000 }
|
|
};
|
|
|
|
rtl_apply_firmware(tp);
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
|
|
/* For 4-corner performance improve */
|
|
rtl_writephy(tp, 0x1f, 0x0005);
|
|
rtl_writephy(tp, 0x05, 0x8b80);
|
|
rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
|
|
/* PHY auto speed down */
|
|
rtl_writephy(tp, 0x1f, 0x0004);
|
|
rtl_writephy(tp, 0x1f, 0x0007);
|
|
rtl_writephy(tp, 0x1e, 0x002d);
|
|
rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
|
|
rtl_writephy(tp, 0x1f, 0x0002);
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
|
|
|
|
/* improve 10M EEE waveform */
|
|
rtl_writephy(tp, 0x1f, 0x0005);
|
|
rtl_writephy(tp, 0x05, 0x8b86);
|
|
rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
|
|
/* Improve 2-pair detection performance */
|
|
rtl_writephy(tp, 0x1f, 0x0005);
|
|
rtl_writephy(tp, 0x05, 0x8b85);
|
|
rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
|
|
/* EEE setting */
|
|
rtl_w1w0_eri(tp->mmio_addr, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003,
|
|
ERIAR_EXGMAC);
|
|
rtl_writephy(tp, 0x1f, 0x0005);
|
|
rtl_writephy(tp, 0x05, 0x8b85);
|
|
rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
|
|
rtl_writephy(tp, 0x1f, 0x0004);
|
|
rtl_writephy(tp, 0x1f, 0x0007);
|
|
rtl_writephy(tp, 0x1e, 0x0020);
|
|
rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
|
|
rtl_writephy(tp, 0x1f, 0x0002);
|
|
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);
|
|
|
|
/* Green feature */
|
|
rtl_writephy(tp, 0x1f, 0x0003);
|
|
rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
|
|
rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
}
|
|
|
|
static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
|
|
{
|
|
static const struct phy_reg phy_reg_init[] = {
|
|
{ 0x1f, 0x0003 },
|
|
{ 0x08, 0x441d },
|
|
{ 0x01, 0x9100 },
|
|
{ 0x1f, 0x0000 }
|
|
};
|
|
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
rtl_patchphy(tp, 0x11, 1 << 12);
|
|
rtl_patchphy(tp, 0x19, 1 << 13);
|
|
rtl_patchphy(tp, 0x10, 1 << 15);
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
}
|
|
|
|
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);
|
|
|
|
rtl_apply_firmware(tp);
|
|
|
|
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
|
|
}
|
|
|
|
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:
|
|
rtl8169s_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_04:
|
|
rtl8169sb_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_05:
|
|
rtl8169scd_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_06:
|
|
rtl8169sce_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_07:
|
|
case RTL_GIGA_MAC_VER_08:
|
|
case RTL_GIGA_MAC_VER_09:
|
|
rtl8102e_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_11:
|
|
rtl8168bb_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_12:
|
|
rtl8168bef_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_17:
|
|
rtl8168bef_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_18:
|
|
rtl8168cp_1_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_19:
|
|
rtl8168c_1_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_20:
|
|
rtl8168c_2_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_21:
|
|
rtl8168c_3_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_22:
|
|
rtl8168c_4_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_23:
|
|
case RTL_GIGA_MAC_VER_24:
|
|
rtl8168cp_2_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_25:
|
|
rtl8168d_1_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_26:
|
|
rtl8168d_2_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_27:
|
|
rtl8168d_3_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_28:
|
|
rtl8168d_4_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_29:
|
|
case RTL_GIGA_MAC_VER_30:
|
|
rtl8105e_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_31:
|
|
/* None. */
|
|
break;
|
|
case RTL_GIGA_MAC_VER_32:
|
|
case RTL_GIGA_MAC_VER_33:
|
|
rtl8168e_1_hw_phy_config(tp);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_34:
|
|
rtl8168e_2_hw_phy_config(tp);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
|
|
|
|
spin_lock_irq(&tp->lock);
|
|
|
|
if (tp->phy_reset_pending(tp)) {
|
|
/*
|
|
* 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;
|
|
|
|
netif_warn(tp, link, dev, "PHY reset until link up\n");
|
|
|
|
tp->phy_reset_enable(tp);
|
|
|
|
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);
|
|
rtl8169_interrupt(pdev->irq, dev);
|
|
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);
|
|
pci_clear_mwi(pdev);
|
|
pci_disable_device(pdev);
|
|
free_netdev(dev);
|
|
}
|
|
|
|
static void rtl8169_phy_reset(struct net_device *dev,
|
|
struct rtl8169_private *tp)
|
|
{
|
|
unsigned int i;
|
|
|
|
tp->phy_reset_enable(tp);
|
|
for (i = 0; i < 100; i++) {
|
|
if (!tp->phy_reset_pending(tp))
|
|
return;
|
|
msleep(1);
|
|
}
|
|
netif_err(tp, link, dev, "PHY reset failed\n");
|
|
}
|
|
|
|
static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
rtl_hw_phy_config(dev);
|
|
|
|
if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
|
|
dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
|
|
RTL_W8(0x82, 0x01);
|
|
}
|
|
|
|
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);
|
|
|
|
if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
|
|
dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
|
|
RTL_W8(0x82, 0x01);
|
|
dprintk("Set PHY Reg 0x0bh = 0x00h\n");
|
|
rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
|
|
}
|
|
|
|
rtl8169_phy_reset(dev, tp);
|
|
|
|
rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
|
|
ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
|
|
ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
|
|
(tp->mii.supports_gmii ?
|
|
ADVERTISED_1000baseT_Half |
|
|
ADVERTISED_1000baseT_Full : 0));
|
|
|
|
if (RTL_R8(PHYstatus) & TBI_Enable)
|
|
netif_info(tp, link, dev, "TBI auto-negotiating\n");
|
|
}
|
|
|
|
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);
|
|
|
|
RTL_W32(MAC4, high);
|
|
RTL_R32(MAC4);
|
|
|
|
RTL_W32(MAC0, low);
|
|
RTL_R32(MAC0);
|
|
|
|
if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
|
|
const struct exgmac_reg e[] = {
|
|
{ .addr = 0xe0, ERIAR_MASK_1111, .val = low },
|
|
{ .addr = 0xe4, ERIAR_MASK_1111, .val = high },
|
|
{ .addr = 0xf0, ERIAR_MASK_1111, .val = low << 16 },
|
|
{ .addr = 0xf4, ERIAR_MASK_1111, .val = high << 16 |
|
|
low >> 16 },
|
|
};
|
|
|
|
rtl_write_exgmac_batch(ioaddr, e, ARRAY_SIZE(e));
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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);
|
|
|
|
return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
|
|
}
|
|
|
|
static int rtl_xmii_ioctl(struct rtl8169_private *tp,
|
|
struct mii_ioctl_data *data, int cmd)
|
|
{
|
|
switch (cmd) {
|
|
case SIOCGMIIPHY:
|
|
data->phy_id = 32; /* Internal PHY */
|
|
return 0;
|
|
|
|
case SIOCGMIIREG:
|
|
data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
|
|
return 0;
|
|
|
|
case SIOCSMIIREG:
|
|
rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
|
|
return 0;
|
|
}
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static const struct rtl_cfg_info {
|
|
void (*hw_start)(struct net_device *);
|
|
unsigned int region;
|
|
unsigned int align;
|
|
u16 intr_event;
|
|
u16 napi_event;
|
|
unsigned features;
|
|
u8 default_ver;
|
|
} rtl_cfg_infos [] = {
|
|
[RTL_CFG_0] = {
|
|
.hw_start = rtl_hw_start_8169,
|
|
.region = 1,
|
|
.align = 0,
|
|
.intr_event = SYSErr | LinkChg | RxOverflow |
|
|
RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
|
|
.napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
|
|
.features = RTL_FEATURE_GMII,
|
|
.default_ver = RTL_GIGA_MAC_VER_01,
|
|
},
|
|
[RTL_CFG_1] = {
|
|
.hw_start = rtl_hw_start_8168,
|
|
.region = 2,
|
|
.align = 8,
|
|
.intr_event = SYSErr | LinkChg | RxOverflow |
|
|
TxErr | TxOK | RxOK | RxErr,
|
|
.napi_event = TxErr | TxOK | RxOK | RxOverflow,
|
|
.features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
|
|
.default_ver = RTL_GIGA_MAC_VER_11,
|
|
},
|
|
[RTL_CFG_2] = {
|
|
.hw_start = rtl_hw_start_8101,
|
|
.region = 2,
|
|
.align = 8,
|
|
.intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout |
|
|
RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
|
|
.napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
|
|
.features = RTL_FEATURE_MSI,
|
|
.default_ver = RTL_GIGA_MAC_VER_13,
|
|
}
|
|
};
|
|
|
|
/* 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;
|
|
if (cfg->features & RTL_FEATURE_MSI) {
|
|
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;
|
|
}
|
|
}
|
|
|
|
static const struct net_device_ops rtl8169_netdev_ops = {
|
|
.ndo_open = rtl8169_open,
|
|
.ndo_stop = rtl8169_close,
|
|
.ndo_get_stats = rtl8169_get_stats,
|
|
.ndo_start_xmit = rtl8169_start_xmit,
|
|
.ndo_tx_timeout = rtl8169_tx_timeout,
|
|
.ndo_validate_addr = eth_validate_addr,
|
|
.ndo_change_mtu = rtl8169_change_mtu,
|
|
.ndo_fix_features = rtl8169_fix_features,
|
|
.ndo_set_features = rtl8169_set_features,
|
|
.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
|
|
|
|
};
|
|
|
|
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;
|
|
case RTL_GIGA_MAC_VER_28:
|
|
case RTL_GIGA_MAC_VER_31:
|
|
ops->write = r8168dp_2_mdio_write;
|
|
ops->read = r8168dp_2_mdio_read;
|
|
break;
|
|
default:
|
|
ops->write = r8169_mdio_write;
|
|
ops->read = r8169_mdio_read;
|
|
break;
|
|
}
|
|
}
|
|
|
|
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);
|
|
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;
|
|
}
|
|
rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
|
|
}
|
|
|
|
static void r8168_phy_power_down(struct rtl8169_private *tp)
|
|
{
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
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;
|
|
}
|
|
}
|
|
|
|
static void r8168_pll_power_down(struct rtl8169_private *tp)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
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) &&
|
|
r8168dp_check_dash(tp)) {
|
|
return;
|
|
}
|
|
|
|
if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
|
|
tp->mac_version == RTL_GIGA_MAC_VER_24) &&
|
|
(RTL_R16(CPlusCmd) & ASF)) {
|
|
return;
|
|
}
|
|
|
|
if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
|
|
tp->mac_version == RTL_GIGA_MAC_VER_33)
|
|
rtl_ephy_write(ioaddr, 0x19, 0xff64);
|
|
|
|
if (__rtl8169_get_wol(tp) & WAKE_ANY) {
|
|
rtl_writephy(tp, 0x1f, 0x0000);
|
|
rtl_writephy(tp, MII_BMCR, 0x0000);
|
|
|
|
if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
|
|
tp->mac_version == RTL_GIGA_MAC_VER_33)
|
|
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:
|
|
case RTL_GIGA_MAC_VER_27:
|
|
case RTL_GIGA_MAC_VER_28:
|
|
case RTL_GIGA_MAC_VER_31:
|
|
case RTL_GIGA_MAC_VER_32:
|
|
case RTL_GIGA_MAC_VER_33:
|
|
RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void r8168_pll_power_up(struct rtl8169_private *tp)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
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) &&
|
|
r8168dp_check_dash(tp)) {
|
|
return;
|
|
}
|
|
|
|
switch (tp->mac_version) {
|
|
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:
|
|
case RTL_GIGA_MAC_VER_32:
|
|
case RTL_GIGA_MAC_VER_33:
|
|
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:
|
|
case RTL_GIGA_MAC_VER_29:
|
|
case RTL_GIGA_MAC_VER_30:
|
|
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:
|
|
case RTL_GIGA_MAC_VER_28:
|
|
case RTL_GIGA_MAC_VER_31:
|
|
case RTL_GIGA_MAC_VER_32:
|
|
case RTL_GIGA_MAC_VER_33:
|
|
case RTL_GIGA_MAC_VER_34:
|
|
ops->down = r8168_pll_power_down;
|
|
ops->up = r8168_pll_power_up;
|
|
break;
|
|
|
|
default:
|
|
ops->down = NULL;
|
|
ops->up = NULL;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void rtl_init_rxcfg(struct rtl8169_private *tp)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
switch (tp->mac_version) {
|
|
case RTL_GIGA_MAC_VER_01:
|
|
case RTL_GIGA_MAC_VER_02:
|
|
case RTL_GIGA_MAC_VER_03:
|
|
case RTL_GIGA_MAC_VER_04:
|
|
case RTL_GIGA_MAC_VER_05:
|
|
case RTL_GIGA_MAC_VER_06:
|
|
case RTL_GIGA_MAC_VER_10:
|
|
case RTL_GIGA_MAC_VER_11:
|
|
case RTL_GIGA_MAC_VER_12:
|
|
case RTL_GIGA_MAC_VER_13:
|
|
case RTL_GIGA_MAC_VER_14:
|
|
case RTL_GIGA_MAC_VER_15:
|
|
case RTL_GIGA_MAC_VER_16:
|
|
case RTL_GIGA_MAC_VER_17:
|
|
RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
|
|
break;
|
|
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:
|
|
RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
|
|
break;
|
|
default:
|
|
RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
|
|
{
|
|
tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
|
|
}
|
|
|
|
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;
|
|
udelay(100);
|
|
}
|
|
|
|
rtl8169_init_ring_indexes(tp);
|
|
}
|
|
|
|
static int __devinit
|
|
rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
|
|
{
|
|
const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
|
|
const unsigned int region = cfg->region;
|
|
struct rtl8169_private *tp;
|
|
struct mii_if_info *mii;
|
|
struct net_device *dev;
|
|
void __iomem *ioaddr;
|
|
int chipset, i;
|
|
int rc;
|
|
|
|
if (netif_msg_drv(&debug)) {
|
|
printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
|
|
MODULENAME, RTL8169_VERSION);
|
|
}
|
|
|
|
dev = alloc_etherdev(sizeof (*tp));
|
|
if (!dev) {
|
|
if (netif_msg_drv(&debug))
|
|
dev_err(&pdev->dev, "unable to alloc new ethernet\n");
|
|
rc = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
SET_NETDEV_DEV(dev, &pdev->dev);
|
|
dev->netdev_ops = &rtl8169_netdev_ops;
|
|
tp = netdev_priv(dev);
|
|
tp->dev = dev;
|
|
tp->pci_dev = pdev;
|
|
tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
|
|
|
|
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);
|
|
|
|
/* 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);
|
|
|
|
/* enable device (incl. PCI PM wakeup and hotplug setup) */
|
|
rc = pci_enable_device(pdev);
|
|
if (rc < 0) {
|
|
netif_err(tp, probe, dev, "enable failure\n");
|
|
goto err_out_free_dev_1;
|
|
}
|
|
|
|
if (pci_set_mwi(pdev) < 0)
|
|
netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
|
|
|
|
/* make sure PCI base addr 1 is MMIO */
|
|
if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
|
|
netif_err(tp, probe, dev,
|
|
"region #%d not an MMIO resource, aborting\n",
|
|
region);
|
|
rc = -ENODEV;
|
|
goto err_out_mwi_2;
|
|
}
|
|
|
|
/* check for weird/broken PCI region reporting */
|
|
if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
|
|
netif_err(tp, probe, dev,
|
|
"Invalid PCI region size(s), aborting\n");
|
|
rc = -ENODEV;
|
|
goto err_out_mwi_2;
|
|
}
|
|
|
|
rc = pci_request_regions(pdev, MODULENAME);
|
|
if (rc < 0) {
|
|
netif_err(tp, probe, dev, "could not request regions\n");
|
|
goto err_out_mwi_2;
|
|
}
|
|
|
|
tp->cp_cmd = RxChkSum;
|
|
|
|
if ((sizeof(dma_addr_t) > 4) &&
|
|
!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
|
|
tp->cp_cmd |= PCIDAC;
|
|
dev->features |= NETIF_F_HIGHDMA;
|
|
} else {
|
|
rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
|
|
if (rc < 0) {
|
|
netif_err(tp, probe, dev, "DMA configuration failed\n");
|
|
goto err_out_free_res_3;
|
|
}
|
|
}
|
|
|
|
/* ioremap MMIO region */
|
|
ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
|
|
if (!ioaddr) {
|
|
netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
|
|
rc = -EIO;
|
|
goto err_out_free_res_3;
|
|
}
|
|
tp->mmio_addr = ioaddr;
|
|
|
|
if (!pci_is_pcie(pdev))
|
|
netif_info(tp, probe, dev, "not PCI Express\n");
|
|
|
|
/* Identify chip attached to board */
|
|
rtl8169_get_mac_version(tp, dev, cfg->default_ver);
|
|
|
|
rtl_init_rxcfg(tp);
|
|
|
|
RTL_W16(IntrMask, 0x0000);
|
|
|
|
rtl_hw_reset(tp);
|
|
|
|
RTL_W16(IntrStatus, 0xffff);
|
|
|
|
pci_set_master(pdev);
|
|
|
|
/*
|
|
* 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;
|
|
|
|
rtl_init_mdio_ops(tp);
|
|
rtl_init_pll_power_ops(tp);
|
|
|
|
rtl8169_print_mac_version(tp);
|
|
|
|
chipset = tp->mac_version;
|
|
tp->txd_version = rtl_chip_infos[chipset].txd_version;
|
|
|
|
RTL_W8(Cfg9346, Cfg9346_Unlock);
|
|
RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
|
|
RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
|
|
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;
|
|
tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
|
|
RTL_W8(Cfg9346, Cfg9346_Lock);
|
|
|
|
if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
|
|
(RTL_R8(PHYstatus) & TBI_Enable)) {
|
|
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;
|
|
tp->do_ioctl = rtl_tbi_ioctl;
|
|
} 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;
|
|
tp->do_ioctl = rtl_xmii_ioctl;
|
|
}
|
|
|
|
spin_lock_init(&tp->lock);
|
|
|
|
/* Get MAC address */
|
|
for (i = 0; i < MAC_ADDR_LEN; i++)
|
|
dev->dev_addr[i] = RTL_R8(MAC0 + i);
|
|
memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
|
|
|
|
SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
|
|
dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
|
|
dev->irq = pdev->irq;
|
|
dev->base_addr = (unsigned long) ioaddr;
|
|
|
|
netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
|
|
|
|
/* 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;
|
|
|
|
tp->intr_mask = 0xffff;
|
|
tp->hw_start = cfg->hw_start;
|
|
tp->intr_event = cfg->intr_event;
|
|
tp->napi_event = cfg->napi_event;
|
|
|
|
init_timer(&tp->timer);
|
|
tp->timer.data = (unsigned long) dev;
|
|
tp->timer.function = rtl8169_phy_timer;
|
|
|
|
tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
|
|
|
|
rc = register_netdev(dev);
|
|
if (rc < 0)
|
|
goto err_out_msi_4;
|
|
|
|
pci_set_drvdata(pdev, dev);
|
|
|
|
netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
|
|
rtl_chip_infos[chipset].name, dev->base_addr, dev->dev_addr,
|
|
(u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
|
|
|
|
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) {
|
|
rtl8168_driver_start(tp);
|
|
}
|
|
|
|
device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
|
|
|
|
if (pci_dev_run_wake(pdev))
|
|
pm_runtime_put_noidle(&pdev->dev);
|
|
|
|
netif_carrier_off(dev);
|
|
|
|
out:
|
|
return rc;
|
|
|
|
err_out_msi_4:
|
|
rtl_disable_msi(pdev, tp);
|
|
iounmap(ioaddr);
|
|
err_out_free_res_3:
|
|
pci_release_regions(pdev);
|
|
err_out_mwi_2:
|
|
pci_clear_mwi(pdev);
|
|
pci_disable_device(pdev);
|
|
err_out_free_dev_1:
|
|
free_netdev(dev);
|
|
goto out;
|
|
}
|
|
|
|
static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
|
|
{
|
|
struct net_device *dev = pci_get_drvdata(pdev);
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
|
|
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) {
|
|
rtl8168_driver_stop(tp);
|
|
}
|
|
|
|
cancel_delayed_work_sync(&tp->task);
|
|
|
|
unregister_netdev(dev);
|
|
|
|
rtl_release_firmware(tp);
|
|
|
|
if (pci_dev_run_wake(pdev))
|
|
pm_runtime_get_noresume(&pdev->dev);
|
|
|
|
/* restore original MAC address */
|
|
rtl_rar_set(tp, dev->perm_addr);
|
|
|
|
rtl_disable_msi(pdev, tp);
|
|
rtl8169_release_board(pdev, dev, tp->mmio_addr);
|
|
pci_set_drvdata(pdev, NULL);
|
|
}
|
|
|
|
static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
|
|
{
|
|
struct rtl_fw *rtl_fw;
|
|
const char *name;
|
|
int rc = -ENOMEM;
|
|
|
|
name = rtl_lookup_firmware_name(tp);
|
|
if (!name)
|
|
goto out_no_firmware;
|
|
|
|
rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
|
|
if (!rtl_fw)
|
|
goto err_warn;
|
|
|
|
rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
|
|
if (rc < 0)
|
|
goto err_free;
|
|
|
|
rc = rtl_check_firmware(tp, rtl_fw);
|
|
if (rc < 0)
|
|
goto err_release_firmware;
|
|
|
|
tp->rtl_fw = rtl_fw;
|
|
out:
|
|
return;
|
|
|
|
err_release_firmware:
|
|
release_firmware(rtl_fw->fw);
|
|
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);
|
|
}
|
|
|
|
static int rtl8169_open(struct net_device *dev)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
struct pci_dev *pdev = tp->pci_dev;
|
|
int retval = -ENOMEM;
|
|
|
|
pm_runtime_get_sync(&pdev->dev);
|
|
|
|
/*
|
|
* Rx and Tx desscriptors needs 256 bytes alignment.
|
|
* dma_alloc_coherent provides more.
|
|
*/
|
|
tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
|
|
&tp->TxPhyAddr, GFP_KERNEL);
|
|
if (!tp->TxDescArray)
|
|
goto err_pm_runtime_put;
|
|
|
|
tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
|
|
&tp->RxPhyAddr, GFP_KERNEL);
|
|
if (!tp->RxDescArray)
|
|
goto err_free_tx_0;
|
|
|
|
retval = rtl8169_init_ring(dev);
|
|
if (retval < 0)
|
|
goto err_free_rx_1;
|
|
|
|
INIT_DELAYED_WORK(&tp->task, NULL);
|
|
|
|
smp_mb();
|
|
|
|
rtl_request_firmware(tp);
|
|
|
|
retval = request_irq(dev->irq, rtl8169_interrupt,
|
|
(tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
|
|
dev->name, dev);
|
|
if (retval < 0)
|
|
goto err_release_fw_2;
|
|
|
|
napi_enable(&tp->napi);
|
|
|
|
rtl8169_init_phy(dev, tp);
|
|
|
|
rtl8169_set_features(dev, dev->features);
|
|
|
|
rtl_pll_power_up(tp);
|
|
|
|
rtl_hw_start(dev);
|
|
|
|
tp->saved_wolopts = 0;
|
|
pm_runtime_put_noidle(&pdev->dev);
|
|
|
|
rtl8169_check_link_status(dev, tp, ioaddr);
|
|
out:
|
|
return retval;
|
|
|
|
err_release_fw_2:
|
|
rtl_release_firmware(tp);
|
|
rtl8169_rx_clear(tp);
|
|
err_free_rx_1:
|
|
dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
|
|
tp->RxPhyAddr);
|
|
tp->RxDescArray = NULL;
|
|
err_free_tx_0:
|
|
dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
|
|
tp->TxPhyAddr);
|
|
tp->TxDescArray = NULL;
|
|
err_pm_runtime_put:
|
|
pm_runtime_put_noidle(&pdev->dev);
|
|
goto out;
|
|
}
|
|
|
|
static void rtl_rx_close(struct rtl8169_private *tp)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
|
|
}
|
|
|
|
static void rtl8169_hw_reset(struct rtl8169_private *tp)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
/* Disable interrupts */
|
|
rtl8169_irq_mask_and_ack(ioaddr);
|
|
|
|
rtl_rx_close(tp);
|
|
|
|
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) {
|
|
while (RTL_R8(TxPoll) & NPQ)
|
|
udelay(20);
|
|
} else if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
|
|
while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
|
|
udelay(100);
|
|
} else {
|
|
RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
|
|
udelay(100);
|
|
}
|
|
|
|
rtl_hw_reset(tp);
|
|
}
|
|
|
|
static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
|
|
{
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
/* Set DMA burst size and Interframe Gap Time */
|
|
RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
|
|
(InterFrameGap << TxInterFrameGapShift));
|
|
}
|
|
|
|
static void rtl_hw_start(struct net_device *dev)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
|
|
tp->hw_start(dev);
|
|
|
|
netif_start_queue(dev);
|
|
}
|
|
|
|
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);
|
|
RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
|
|
RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
|
|
RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
|
|
}
|
|
|
|
static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
|
|
{
|
|
u16 cmd;
|
|
|
|
cmd = RTL_R16(CPlusCmd);
|
|
RTL_W16(CPlusCmd, cmd);
|
|
return cmd;
|
|
}
|
|
|
|
static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
|
|
{
|
|
/* Low hurts. Let's disable the filtering. */
|
|
RTL_W16(RxMaxSize, rx_buf_sz + 1);
|
|
}
|
|
|
|
static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
|
|
{
|
|
static const struct rtl_cfg2_info {
|
|
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 }
|
|
};
|
|
const struct rtl_cfg2_info *p = cfg2_info;
|
|
unsigned int i;
|
|
u32 clk;
|
|
|
|
clk = RTL_R8(Config2) & PCI_Clock_66MHz;
|
|
for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
|
|
if ((p->mac_version == mac_version) && (p->clk == clk)) {
|
|
RTL_W32(0x7c, p->val);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
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);
|
|
}
|
|
|
|
RTL_W8(Cfg9346, Cfg9346_Unlock);
|
|
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)
|
|
RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
|
|
|
|
rtl_init_rxcfg(tp);
|
|
|
|
RTL_W8(EarlyTxThres, NoEarlyTx);
|
|
|
|
rtl_set_rx_max_size(ioaddr, rx_buf_sz);
|
|
|
|
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)
|
|
rtl_set_rx_tx_config_registers(tp);
|
|
|
|
tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
|
|
|
|
if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
|
|
tp->mac_version == RTL_GIGA_MAC_VER_03) {
|
|
dprintk("Set MAC Reg C+CR Offset 0xE0. "
|
|
"Bit-3 and bit-14 MUST be 1\n");
|
|
tp->cp_cmd |= (1 << 14);
|
|
}
|
|
|
|
RTL_W16(CPlusCmd, tp->cp_cmd);
|
|
|
|
rtl8169_set_magic_reg(ioaddr, tp->mac_version);
|
|
|
|
/*
|
|
* Undocumented corner. Supposedly:
|
|
* (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
|
|
*/
|
|
RTL_W16(IntrMitigate, 0x0000);
|
|
|
|
rtl_set_rx_tx_desc_registers(tp, ioaddr);
|
|
|
|
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) {
|
|
RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
|
|
rtl_set_rx_tx_config_registers(tp);
|
|
}
|
|
|
|
RTL_W8(Cfg9346, Cfg9346_Lock);
|
|
|
|
/* Initially a 10 us delay. Turned it into a PCI commit. - FR */
|
|
RTL_R8(IntrMask);
|
|
|
|
RTL_W32(RxMissed, 0);
|
|
|
|
rtl_set_rx_mode(dev);
|
|
|
|
/* no early-rx interrupts */
|
|
RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
|
|
|
|
/* Enable all known interrupts by setting the interrupt mask. */
|
|
RTL_W16(IntrMask, tp->intr_event);
|
|
}
|
|
|
|
static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
|
|
{
|
|
int cap = pci_pcie_cap(pdev);
|
|
|
|
if (cap) {
|
|
u16 ctl;
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
|
|
{
|
|
u32 csi;
|
|
|
|
csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
|
|
rtl_csi_write(ioaddr, 0x070c, csi | bits);
|
|
}
|
|
|
|
static void rtl_csi_access_enable_1(void __iomem *ioaddr)
|
|
{
|
|
rtl_csi_access_enable(ioaddr, 0x17000000);
|
|
}
|
|
|
|
static void rtl_csi_access_enable_2(void __iomem *ioaddr)
|
|
{
|
|
rtl_csi_access_enable(ioaddr, 0x27000000);
|
|
}
|
|
|
|
struct ephy_info {
|
|
unsigned int offset;
|
|
u16 mask;
|
|
u16 bits;
|
|
};
|
|
|
|
static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
|
|
{
|
|
u16 w;
|
|
|
|
while (len-- > 0) {
|
|
w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
|
|
rtl_ephy_write(ioaddr, e->offset, w);
|
|
e++;
|
|
}
|
|
}
|
|
|
|
static void rtl_disable_clock_request(struct pci_dev *pdev)
|
|
{
|
|
int cap = pci_pcie_cap(pdev);
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
static void rtl_enable_clock_request(struct pci_dev *pdev)
|
|
{
|
|
int cap = pci_pcie_cap(pdev);
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
#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)
|
|
|
|
static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
|
|
|
|
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
|
|
|
|
rtl_tx_performance_tweak(pdev,
|
|
(0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
|
|
}
|
|
|
|
static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
rtl_hw_start_8168bb(ioaddr, pdev);
|
|
|
|
RTL_W8(MaxTxPacketSize, TxPacketMax);
|
|
|
|
RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
|
|
}
|
|
|
|
static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
|
|
|
|
RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
|
|
|
|
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
|
|
|
|
rtl_disable_clock_request(pdev);
|
|
|
|
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
|
|
}
|
|
|
|
static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
static const struct ephy_info e_info_8168cp[] = {
|
|
{ 0x01, 0, 0x0001 },
|
|
{ 0x02, 0x0800, 0x1000 },
|
|
{ 0x03, 0, 0x0042 },
|
|
{ 0x06, 0x0080, 0x0000 },
|
|
{ 0x07, 0, 0x2000 }
|
|
};
|
|
|
|
rtl_csi_access_enable_2(ioaddr);
|
|
|
|
rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
|
|
|
|
__rtl_hw_start_8168cp(ioaddr, pdev);
|
|
}
|
|
|
|
static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
rtl_csi_access_enable_2(ioaddr);
|
|
|
|
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);
|
|
}
|
|
|
|
static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
rtl_csi_access_enable_2(ioaddr);
|
|
|
|
RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
|
|
|
|
/* Magic. */
|
|
RTL_W8(DBG_REG, 0x20);
|
|
|
|
RTL_W8(MaxTxPacketSize, TxPacketMax);
|
|
|
|
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
|
|
|
|
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
|
|
}
|
|
|
|
static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
static const struct ephy_info e_info_8168c_1[] = {
|
|
{ 0x02, 0x0800, 0x1000 },
|
|
{ 0x03, 0, 0x0002 },
|
|
{ 0x06, 0x0080, 0x0000 }
|
|
};
|
|
|
|
rtl_csi_access_enable_2(ioaddr);
|
|
|
|
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));
|
|
|
|
__rtl_hw_start_8168cp(ioaddr, pdev);
|
|
}
|
|
|
|
static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
static const struct ephy_info e_info_8168c_2[] = {
|
|
{ 0x01, 0, 0x0001 },
|
|
{ 0x03, 0x0400, 0x0220 }
|
|
};
|
|
|
|
rtl_csi_access_enable_2(ioaddr);
|
|
|
|
rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
|
|
|
|
__rtl_hw_start_8168cp(ioaddr, pdev);
|
|
}
|
|
|
|
static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
rtl_hw_start_8168c_2(ioaddr, pdev);
|
|
}
|
|
|
|
static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
rtl_csi_access_enable_2(ioaddr);
|
|
|
|
__rtl_hw_start_8168cp(ioaddr, pdev);
|
|
}
|
|
|
|
static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
rtl_csi_access_enable_2(ioaddr);
|
|
|
|
rtl_disable_clock_request(pdev);
|
|
|
|
RTL_W8(MaxTxPacketSize, TxPacketMax);
|
|
|
|
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
|
|
|
|
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static void rtl_hw_start_8168e_1(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
static const struct ephy_info e_info_8168e_1[] = {
|
|
{ 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_1, ARRAY_SIZE(e_info_8168e_1));
|
|
|
|
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
|
|
|
|
RTL_W8(MaxTxPacketSize, TxPacketMax);
|
|
|
|
rtl_disable_clock_request(pdev);
|
|
|
|
/* Reset tx FIFO pointer */
|
|
RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
|
|
RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
|
|
|
|
RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
|
|
}
|
|
|
|
static void rtl_hw_start_8168e_2(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
static const struct ephy_info e_info_8168e_2[] = {
|
|
{ 0x09, 0x0000, 0x0080 },
|
|
{ 0x19, 0x0000, 0x0224 }
|
|
};
|
|
|
|
rtl_csi_access_enable_1(ioaddr);
|
|
|
|
rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
|
|
|
|
rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
|
|
|
|
rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
|
|
rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
|
|
rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
|
|
rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
|
|
rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
|
|
rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
|
|
rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
|
|
rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
|
|
ERIAR_EXGMAC);
|
|
|
|
RTL_W8(MaxTxPacketSize, 0x27);
|
|
|
|
rtl_disable_clock_request(pdev);
|
|
|
|
RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
|
|
RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
|
|
|
|
/* Adjust EEE LED frequency */
|
|
RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
|
|
|
|
RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
|
|
RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
|
|
RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
|
|
}
|
|
|
|
static void rtl_hw_start_8168(struct net_device *dev)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
struct pci_dev *pdev = tp->pci_dev;
|
|
|
|
RTL_W8(Cfg9346, Cfg9346_Unlock);
|
|
|
|
RTL_W8(MaxTxPacketSize, TxPacketMax);
|
|
|
|
rtl_set_rx_max_size(ioaddr, rx_buf_sz);
|
|
|
|
tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
|
|
|
|
RTL_W16(CPlusCmd, tp->cp_cmd);
|
|
|
|
RTL_W16(IntrMitigate, 0x5151);
|
|
|
|
/* Work around for RxFIFO overflow. */
|
|
if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
|
|
tp->mac_version == RTL_GIGA_MAC_VER_22) {
|
|
tp->intr_event |= RxFIFOOver | PCSTimeout;
|
|
tp->intr_event &= ~RxOverflow;
|
|
}
|
|
|
|
rtl_set_rx_tx_desc_registers(tp, ioaddr);
|
|
|
|
rtl_set_rx_mode(dev);
|
|
|
|
RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
|
|
(InterFrameGap << TxInterFrameGapShift));
|
|
|
|
RTL_R8(IntrMask);
|
|
|
|
switch (tp->mac_version) {
|
|
case RTL_GIGA_MAC_VER_11:
|
|
rtl_hw_start_8168bb(ioaddr, pdev);
|
|
break;
|
|
|
|
case RTL_GIGA_MAC_VER_12:
|
|
case RTL_GIGA_MAC_VER_17:
|
|
rtl_hw_start_8168bef(ioaddr, pdev);
|
|
break;
|
|
|
|
case RTL_GIGA_MAC_VER_18:
|
|
rtl_hw_start_8168cp_1(ioaddr, pdev);
|
|
break;
|
|
|
|
case RTL_GIGA_MAC_VER_19:
|
|
rtl_hw_start_8168c_1(ioaddr, pdev);
|
|
break;
|
|
|
|
case RTL_GIGA_MAC_VER_20:
|
|
rtl_hw_start_8168c_2(ioaddr, pdev);
|
|
break;
|
|
|
|
case RTL_GIGA_MAC_VER_21:
|
|
rtl_hw_start_8168c_3(ioaddr, pdev);
|
|
break;
|
|
|
|
case RTL_GIGA_MAC_VER_22:
|
|
rtl_hw_start_8168c_4(ioaddr, pdev);
|
|
break;
|
|
|
|
case RTL_GIGA_MAC_VER_23:
|
|
rtl_hw_start_8168cp_2(ioaddr, pdev);
|
|
break;
|
|
|
|
case RTL_GIGA_MAC_VER_24:
|
|
rtl_hw_start_8168cp_3(ioaddr, pdev);
|
|
break;
|
|
|
|
case RTL_GIGA_MAC_VER_25:
|
|
case RTL_GIGA_MAC_VER_26:
|
|
case RTL_GIGA_MAC_VER_27:
|
|
rtl_hw_start_8168d(ioaddr, pdev);
|
|
break;
|
|
|
|
case RTL_GIGA_MAC_VER_28:
|
|
rtl_hw_start_8168d_4(ioaddr, pdev);
|
|
break;
|
|
|
|
case RTL_GIGA_MAC_VER_31:
|
|
rtl_hw_start_8168dp(ioaddr, pdev);
|
|
break;
|
|
|
|
case RTL_GIGA_MAC_VER_32:
|
|
case RTL_GIGA_MAC_VER_33:
|
|
rtl_hw_start_8168e_1(ioaddr, pdev);
|
|
break;
|
|
case RTL_GIGA_MAC_VER_34:
|
|
rtl_hw_start_8168e_2(ioaddr, pdev);
|
|
break;
|
|
|
|
default:
|
|
printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
|
|
dev->name, tp->mac_version);
|
|
break;
|
|
}
|
|
|
|
RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
|
|
|
|
RTL_W8(Cfg9346, Cfg9346_Lock);
|
|
|
|
RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
|
|
|
|
RTL_W16(IntrMask, tp->intr_event);
|
|
}
|
|
|
|
#define R810X_CPCMD_QUIRK_MASK (\
|
|
EnableBist | \
|
|
Mac_dbgo_oe | \
|
|
Force_half_dup | \
|
|
Force_rxflow_en | \
|
|
Force_txflow_en | \
|
|
Cxpl_dbg_sel | \
|
|
ASF | \
|
|
PktCntrDisable | \
|
|
Mac_dbgo_sel)
|
|
|
|
static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
|
|
{
|
|
static const struct ephy_info e_info_8102e_1[] = {
|
|
{ 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;
|
|
|
|
rtl_csi_access_enable_2(ioaddr);
|
|
|
|
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)
|
|
{
|
|
rtl_csi_access_enable_2(ioaddr);
|
|
|
|
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);
|
|
}
|
|
|
|
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 }
|
|
};
|
|
|
|
/* Force LAN exit from ASPM if Rx/Tx are not idle */
|
|
RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
|
|
|
|
/* Disable Early Tally Counter */
|
|
RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
|
|
|
|
RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
|
|
RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
|
|
|
|
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);
|
|
}
|
|
|
|
static void rtl_hw_start_8101(struct net_device *dev)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
struct pci_dev *pdev = tp->pci_dev;
|
|
|
|
if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
|
|
tp->mac_version == RTL_GIGA_MAC_VER_16) {
|
|
int cap = pci_pcie_cap(pdev);
|
|
|
|
if (cap) {
|
|
pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
|
|
PCI_EXP_DEVCTL_NOSNOOP_EN);
|
|
}
|
|
}
|
|
|
|
RTL_W8(Cfg9346, Cfg9346_Unlock);
|
|
|
|
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;
|
|
|
|
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;
|
|
}
|
|
|
|
RTL_W8(Cfg9346, Cfg9346_Lock);
|
|
|
|
RTL_W8(MaxTxPacketSize, TxPacketMax);
|
|
|
|
rtl_set_rx_max_size(ioaddr, rx_buf_sz);
|
|
|
|
tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
|
|
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);
|
|
|
|
RTL_W16(IntrMask, tp->intr_event);
|
|
}
|
|
|
|
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;
|
|
netdev_update_features(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
|
|
{
|
|
desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
|
|
desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
|
|
}
|
|
|
|
static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
|
|
void **data_buff, struct RxDesc *desc)
|
|
{
|
|
dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
|
|
DMA_FROM_DEVICE);
|
|
|
|
kfree(*data_buff);
|
|
*data_buff = NULL;
|
|
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);
|
|
}
|
|
|
|
static inline void *rtl8169_align(void *data)
|
|
{
|
|
return (void *)ALIGN((long)data, 16);
|
|
}
|
|
|
|
static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
|
|
struct RxDesc *desc)
|
|
{
|
|
void *data;
|
|
dma_addr_t mapping;
|
|
struct device *d = &tp->pci_dev->dev;
|
|
struct net_device *dev = tp->dev;
|
|
int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
|
|
|
|
data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
|
|
if (!data)
|
|
return NULL;
|
|
|
|
if (rtl8169_align(data) != data) {
|
|
kfree(data);
|
|
data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
|
|
if (!data)
|
|
return NULL;
|
|
}
|
|
|
|
mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
|
|
DMA_FROM_DEVICE);
|
|
if (unlikely(dma_mapping_error(d, mapping))) {
|
|
if (net_ratelimit())
|
|
netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
|
|
goto err_out;
|
|
}
|
|
|
|
rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
|
|
return data;
|
|
|
|
err_out:
|
|
kfree(data);
|
|
return NULL;
|
|
}
|
|
|
|
static void rtl8169_rx_clear(struct rtl8169_private *tp)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < NUM_RX_DESC; i++) {
|
|
if (tp->Rx_databuff[i]) {
|
|
rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
|
|
tp->RxDescArray + i);
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
|
|
{
|
|
desc->opts1 |= cpu_to_le32(RingEnd);
|
|
}
|
|
|
|
static int rtl8169_rx_fill(struct rtl8169_private *tp)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < NUM_RX_DESC; i++) {
|
|
void *data;
|
|
|
|
if (tp->Rx_databuff[i])
|
|
continue;
|
|
|
|
data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
|
|
if (!data) {
|
|
rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
|
|
goto err_out;
|
|
}
|
|
tp->Rx_databuff[i] = data;
|
|
}
|
|
|
|
rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
|
|
return 0;
|
|
|
|
err_out:
|
|
rtl8169_rx_clear(tp);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
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));
|
|
memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
|
|
|
|
return rtl8169_rx_fill(tp);
|
|
}
|
|
|
|
static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
|
|
struct TxDesc *desc)
|
|
{
|
|
unsigned int len = tx_skb->len;
|
|
|
|
dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
|
|
|
|
desc->opts1 = 0x00;
|
|
desc->opts2 = 0x00;
|
|
desc->addr = 0x00;
|
|
tx_skb->len = 0;
|
|
}
|
|
|
|
static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
|
|
unsigned int n)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
unsigned int entry = (start + i) % NUM_TX_DESC;
|
|
struct ring_info *tx_skb = tp->tx_skb + entry;
|
|
unsigned int len = tx_skb->len;
|
|
|
|
if (len) {
|
|
struct sk_buff *skb = tx_skb->skb;
|
|
|
|
rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
|
|
tp->TxDescArray + entry);
|
|
if (skb) {
|
|
tp->dev->stats.tx_dropped++;
|
|
dev_kfree_skb(skb);
|
|
tx_skb->skb = NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void rtl8169_tx_clear(struct rtl8169_private *tp)
|
|
{
|
|
rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
|
|
tp->cur_tx = tp->dirty_tx = 0;
|
|
}
|
|
|
|
static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
|
|
PREPARE_DELAYED_WORK(&tp->task, task);
|
|
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 */
|
|
napi_disable(&tp->napi);
|
|
|
|
rtl8169_irq_mask_and_ack(ioaddr);
|
|
|
|
tp->intr_mask = 0xffff;
|
|
RTL_W16(IntrMask, tp->intr_event);
|
|
napi_enable(&tp->napi);
|
|
}
|
|
|
|
static void rtl8169_reinit_task(struct work_struct *work)
|
|
{
|
|
struct rtl8169_private *tp =
|
|
container_of(work, struct rtl8169_private, task.work);
|
|
struct net_device *dev = tp->dev;
|
|
int ret;
|
|
|
|
rtnl_lock();
|
|
|
|
if (!netif_running(dev))
|
|
goto out_unlock;
|
|
|
|
rtl8169_wait_for_quiescence(dev);
|
|
rtl8169_close(dev);
|
|
|
|
ret = rtl8169_open(dev);
|
|
if (unlikely(ret < 0)) {
|
|
if (net_ratelimit())
|
|
netif_err(tp, drv, dev,
|
|
"reinit failure (status = %d). Rescheduling\n",
|
|
ret);
|
|
rtl8169_schedule_work(dev, rtl8169_reinit_task);
|
|
}
|
|
|
|
out_unlock:
|
|
rtnl_unlock();
|
|
}
|
|
|
|
static void rtl8169_reset_task(struct work_struct *work)
|
|
{
|
|
struct rtl8169_private *tp =
|
|
container_of(work, struct rtl8169_private, task.work);
|
|
struct net_device *dev = tp->dev;
|
|
int i;
|
|
|
|
rtnl_lock();
|
|
|
|
if (!netif_running(dev))
|
|
goto out_unlock;
|
|
|
|
rtl8169_wait_for_quiescence(dev);
|
|
|
|
for (i = 0; i < NUM_RX_DESC; i++)
|
|
rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
|
|
|
|
rtl8169_tx_clear(tp);
|
|
|
|
rtl8169_hw_reset(tp);
|
|
rtl_hw_start(dev);
|
|
netif_wake_queue(dev);
|
|
rtl8169_check_link_status(dev, tp, tp->mmio_addr);
|
|
|
|
out_unlock:
|
|
rtnl_unlock();
|
|
}
|
|
|
|
static void rtl8169_tx_timeout(struct net_device *dev)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
|
|
rtl8169_hw_reset(tp);
|
|
|
|
/* 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,
|
|
u32 *opts)
|
|
{
|
|
struct skb_shared_info *info = skb_shinfo(skb);
|
|
unsigned int cur_frag, entry;
|
|
struct TxDesc * uninitialized_var(txd);
|
|
struct device *d = &tp->pci_dev->dev;
|
|
|
|
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;
|
|
mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
|
|
if (unlikely(dma_mapping_error(d, mapping))) {
|
|
if (net_ratelimit())
|
|
netif_err(tp, drv, tp->dev,
|
|
"Failed to map TX fragments DMA!\n");
|
|
goto err_out;
|
|
}
|
|
|
|
/* Anti gcc 2.95.3 bugware (sic) */
|
|
status = opts[0] | len |
|
|
(RingEnd * !((entry + 1) % NUM_TX_DESC));
|
|
|
|
txd->opts1 = cpu_to_le32(status);
|
|
txd->opts2 = cpu_to_le32(opts[1]);
|
|
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;
|
|
|
|
err_out:
|
|
rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
|
|
return -EIO;
|
|
}
|
|
|
|
static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
|
|
struct sk_buff *skb, u32 *opts)
|
|
{
|
|
const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
|
|
u32 mss = skb_shinfo(skb)->gso_size;
|
|
int offset = info->opts_offset;
|
|
|
|
if (mss) {
|
|
opts[0] |= TD_LSO;
|
|
opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
|
|
} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
|
|
const struct iphdr *ip = ip_hdr(skb);
|
|
|
|
if (ip->protocol == IPPROTO_TCP)
|
|
opts[offset] |= info->checksum.tcp;
|
|
else if (ip->protocol == IPPROTO_UDP)
|
|
opts[offset] |= info->checksum.udp;
|
|
else
|
|
WARN_ON_ONCE(1);
|
|
}
|
|
}
|
|
|
|
static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
|
|
struct net_device *dev)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
unsigned int entry = tp->cur_tx % NUM_TX_DESC;
|
|
struct TxDesc *txd = tp->TxDescArray + entry;
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
struct device *d = &tp->pci_dev->dev;
|
|
dma_addr_t mapping;
|
|
u32 status, len;
|
|
u32 opts[2];
|
|
int frags;
|
|
|
|
if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
|
|
netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
|
|
goto err_stop_0;
|
|
}
|
|
|
|
if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
|
|
goto err_stop_0;
|
|
|
|
len = skb_headlen(skb);
|
|
mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
|
|
if (unlikely(dma_mapping_error(d, mapping))) {
|
|
if (net_ratelimit())
|
|
netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
|
|
goto err_dma_0;
|
|
}
|
|
|
|
tp->tx_skb[entry].len = len;
|
|
txd->addr = cpu_to_le64(mapping);
|
|
|
|
opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
|
|
opts[0] = DescOwn;
|
|
|
|
rtl8169_tso_csum(tp, skb, opts);
|
|
|
|
frags = rtl8169_xmit_frags(tp, skb, opts);
|
|
if (frags < 0)
|
|
goto err_dma_1;
|
|
else if (frags)
|
|
opts[0] |= FirstFrag;
|
|
else {
|
|
opts[0] |= FirstFrag | LastFrag;
|
|
tp->tx_skb[entry].skb = skb;
|
|
}
|
|
|
|
txd->opts2 = cpu_to_le32(opts[1]);
|
|
|
|
wmb();
|
|
|
|
/* Anti gcc 2.95.3 bugware (sic) */
|
|
status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
|
|
txd->opts1 = cpu_to_le32(status);
|
|
|
|
tp->cur_tx += frags + 1;
|
|
|
|
wmb();
|
|
|
|
RTL_W8(TxPoll, NPQ);
|
|
|
|
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);
|
|
}
|
|
|
|
return NETDEV_TX_OK;
|
|
|
|
err_dma_1:
|
|
rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
|
|
err_dma_0:
|
|
dev_kfree_skb(skb);
|
|
dev->stats.tx_dropped++;
|
|
return NETDEV_TX_OK;
|
|
|
|
err_stop_0:
|
|
netif_stop_queue(dev);
|
|
dev->stats.tx_dropped++;
|
|
return NETDEV_TX_BUSY;
|
|
}
|
|
|
|
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);
|
|
|
|
netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
|
|
pci_cmd, pci_status);
|
|
|
|
/*
|
|
* The recovery sequence below admits a very elaborated explanation:
|
|
* - it seems to work;
|
|
* - I did not see what else could be done;
|
|
* - it makes iop3xx happy.
|
|
*
|
|
* Feel free to adjust to your needs.
|
|
*/
|
|
if (pdev->broken_parity_status)
|
|
pci_cmd &= ~PCI_COMMAND_PARITY;
|
|
else
|
|
pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
|
|
|
|
pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
|
|
|
|
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) {
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
netif_info(tp, intr, dev, "disabling PCI DAC\n");
|
|
tp->cp_cmd &= ~PCIDAC;
|
|
RTL_W16(CPlusCmd, tp->cp_cmd);
|
|
dev->features &= ~NETIF_F_HIGHDMA;
|
|
}
|
|
|
|
rtl8169_hw_reset(tp);
|
|
|
|
rtl8169_schedule_work(dev, rtl8169_reinit_task);
|
|
}
|
|
|
|
static void rtl8169_tx_interrupt(struct net_device *dev,
|
|
struct rtl8169_private *tp,
|
|
void __iomem *ioaddr)
|
|
{
|
|
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;
|
|
|
|
rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
|
|
tp->TxDescArray + entry);
|
|
if (status & LastFrag) {
|
|
dev->stats.tx_packets++;
|
|
dev->stats.tx_bytes += tx_skb->skb->len;
|
|
dev_kfree_skb(tx_skb->skb);
|
|
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);
|
|
}
|
|
/*
|
|
* 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);
|
|
}
|
|
}
|
|
|
|
static inline int rtl8169_fragmented_frame(u32 status)
|
|
{
|
|
return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
|
|
}
|
|
|
|
static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
|
|
{
|
|
u32 status = opts1 & RxProtoMask;
|
|
|
|
if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
|
|
((status == RxProtoUDP) && !(opts1 & UDPFail)))
|
|
skb->ip_summed = CHECKSUM_UNNECESSARY;
|
|
else
|
|
skb_checksum_none_assert(skb);
|
|
}
|
|
|
|
static struct sk_buff *rtl8169_try_rx_copy(void *data,
|
|
struct rtl8169_private *tp,
|
|
int pkt_size,
|
|
dma_addr_t addr)
|
|
{
|
|
struct sk_buff *skb;
|
|
struct device *d = &tp->pci_dev->dev;
|
|
|
|
data = rtl8169_align(data);
|
|
dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
|
|
prefetch(data);
|
|
skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
|
|
if (skb)
|
|
memcpy(skb->data, data, pkt_size);
|
|
dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
|
|
|
|
return skb;
|
|
}
|
|
|
|
static int rtl8169_rx_interrupt(struct net_device *dev,
|
|
struct rtl8169_private *tp,
|
|
void __iomem *ioaddr, u32 budget)
|
|
{
|
|
unsigned int cur_rx, rx_left;
|
|
unsigned int count;
|
|
|
|
cur_rx = tp->cur_rx;
|
|
rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
|
|
rx_left = min(rx_left, budget);
|
|
|
|
for (; rx_left > 0; rx_left--, cur_rx++) {
|
|
unsigned int entry = cur_rx % NUM_RX_DESC;
|
|
struct RxDesc *desc = tp->RxDescArray + entry;
|
|
u32 status;
|
|
|
|
rmb();
|
|
status = le32_to_cpu(desc->opts1);
|
|
|
|
if (status & DescOwn)
|
|
break;
|
|
if (unlikely(status & RxRES)) {
|
|
netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
|
|
status);
|
|
dev->stats.rx_errors++;
|
|
if (status & (RxRWT | RxRUNT))
|
|
dev->stats.rx_length_errors++;
|
|
if (status & RxCRC)
|
|
dev->stats.rx_crc_errors++;
|
|
if (status & RxFOVF) {
|
|
rtl8169_schedule_work(dev, rtl8169_reset_task);
|
|
dev->stats.rx_fifo_errors++;
|
|
}
|
|
rtl8169_mark_to_asic(desc, rx_buf_sz);
|
|
} else {
|
|
struct sk_buff *skb;
|
|
dma_addr_t addr = le64_to_cpu(desc->addr);
|
|
int pkt_size = (status & 0x00001FFF) - 4;
|
|
|
|
/*
|
|
* 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))) {
|
|
dev->stats.rx_dropped++;
|
|
dev->stats.rx_length_errors++;
|
|
rtl8169_mark_to_asic(desc, rx_buf_sz);
|
|
continue;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
rtl8169_rx_csum(skb, status);
|
|
skb_put(skb, pkt_size);
|
|
skb->protocol = eth_type_trans(skb, dev);
|
|
|
|
rtl8169_rx_vlan_tag(desc, skb);
|
|
|
|
napi_gro_receive(&tp->napi, skb);
|
|
|
|
dev->stats.rx_bytes += pkt_size;
|
|
dev->stats.rx_packets++;
|
|
}
|
|
|
|
/* Work around for AMD plateform. */
|
|
if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
|
|
(tp->mac_version == RTL_GIGA_MAC_VER_05)) {
|
|
desc->opts2 = 0;
|
|
cur_rx++;
|
|
}
|
|
}
|
|
|
|
count = cur_rx - tp->cur_rx;
|
|
tp->cur_rx = cur_rx;
|
|
|
|
tp->dirty_rx += count;
|
|
|
|
return count;
|
|
}
|
|
|
|
static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
|
|
{
|
|
struct net_device *dev = dev_instance;
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
int handled = 0;
|
|
int status;
|
|
|
|
/* loop handling interrupts until we have no new ones or
|
|
* we hit a invalid/hotplug case.
|
|
*/
|
|
status = RTL_R16(IntrStatus);
|
|
while (status && status != 0xffff) {
|
|
handled = 1;
|
|
|
|
/* Handle all of the error cases first. These will reset
|
|
* the chip, so just exit the loop.
|
|
*/
|
|
if (unlikely(!netif_running(dev))) {
|
|
rtl8169_hw_reset(tp);
|
|
break;
|
|
}
|
|
|
|
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;
|
|
/* 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:
|
|
case RTL_GIGA_MAC_VER_31:
|
|
/* Experimental science. Pktgen proof. */
|
|
case RTL_GIGA_MAC_VER_12:
|
|
case RTL_GIGA_MAC_VER_25:
|
|
if (status == RxFIFOOver)
|
|
goto done;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (unlikely(status & SYSErr)) {
|
|
rtl8169_pcierr_interrupt(dev);
|
|
break;
|
|
}
|
|
|
|
if (status & LinkChg)
|
|
__rtl8169_check_link_status(dev, tp, ioaddr, true);
|
|
|
|
/* 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);
|
|
else
|
|
netif_info(tp, intr, dev,
|
|
"interrupt %04x in poll\n", status);
|
|
}
|
|
|
|
/* 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);
|
|
}
|
|
done:
|
|
return IRQ_RETVAL(handled);
|
|
}
|
|
|
|
static int rtl8169_poll(struct napi_struct *napi, int budget)
|
|
{
|
|
struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
|
|
struct net_device *dev = tp->dev;
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
int work_done;
|
|
|
|
work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
|
|
rtl8169_tx_interrupt(dev, tp, ioaddr);
|
|
|
|
if (work_done < budget) {
|
|
napi_complete(napi);
|
|
|
|
/* 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.
|
|
*/
|
|
tp->intr_mask = 0xffff;
|
|
wmb();
|
|
RTL_W16(IntrMask, tp->intr_event);
|
|
}
|
|
|
|
return work_done;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static void rtl8169_down(struct net_device *dev)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
del_timer_sync(&tp->timer);
|
|
|
|
netif_stop_queue(dev);
|
|
|
|
napi_disable(&tp->napi);
|
|
|
|
spin_lock_irq(&tp->lock);
|
|
|
|
rtl8169_hw_reset(tp);
|
|
/*
|
|
* 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).
|
|
*/
|
|
rtl8169_rx_missed(dev, ioaddr);
|
|
|
|
spin_unlock_irq(&tp->lock);
|
|
|
|
synchronize_irq(dev->irq);
|
|
|
|
/* Give a racing hard_start_xmit a few cycles to complete. */
|
|
synchronize_sched(); /* FIXME: should this be synchronize_irq()? */
|
|
|
|
rtl8169_tx_clear(tp);
|
|
|
|
rtl8169_rx_clear(tp);
|
|
|
|
rtl_pll_power_down(tp);
|
|
}
|
|
|
|
static int rtl8169_close(struct net_device *dev)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
struct pci_dev *pdev = tp->pci_dev;
|
|
|
|
pm_runtime_get_sync(&pdev->dev);
|
|
|
|
/* Update counters before going down */
|
|
rtl8169_update_counters(dev);
|
|
|
|
rtl8169_down(dev);
|
|
|
|
free_irq(dev->irq, dev);
|
|
|
|
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);
|
|
tp->TxDescArray = NULL;
|
|
tp->RxDescArray = NULL;
|
|
|
|
pm_runtime_put_sync(&pdev->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rtl_set_rx_mode(struct net_device *dev)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
unsigned long flags;
|
|
u32 mc_filter[2]; /* Multicast hash filter */
|
|
int rx_mode;
|
|
u32 tmp = 0;
|
|
|
|
if (dev->flags & IFF_PROMISC) {
|
|
/* Unconditionally log net taps. */
|
|
netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
|
|
rx_mode =
|
|
AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
|
|
AcceptAllPhys;
|
|
mc_filter[1] = mc_filter[0] = 0xffffffff;
|
|
} else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
|
|
(dev->flags & IFF_ALLMULTI)) {
|
|
/* Too many to filter perfectly -- accept all multicasts. */
|
|
rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
|
|
mc_filter[1] = mc_filter[0] = 0xffffffff;
|
|
} else {
|
|
struct netdev_hw_addr *ha;
|
|
|
|
rx_mode = AcceptBroadcast | AcceptMyPhys;
|
|
mc_filter[1] = mc_filter[0] = 0;
|
|
netdev_for_each_mc_addr(ha, dev) {
|
|
int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
|
|
mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
|
|
rx_mode |= AcceptMulticast;
|
|
}
|
|
}
|
|
|
|
spin_lock_irqsave(&tp->lock, flags);
|
|
|
|
tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
|
|
|
|
if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
|
|
u32 data = mc_filter[0];
|
|
|
|
mc_filter[0] = swab32(mc_filter[1]);
|
|
mc_filter[1] = swab32(data);
|
|
}
|
|
|
|
RTL_W32(MAR0 + 4, mc_filter[1]);
|
|
RTL_W32(MAR0 + 0, mc_filter[0]);
|
|
|
|
RTL_W32(RxConfig, tmp);
|
|
|
|
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);
|
|
rtl8169_rx_missed(dev, ioaddr);
|
|
spin_unlock_irqrestore(&tp->lock, flags);
|
|
}
|
|
|
|
return &dev->stats;
|
|
}
|
|
|
|
static void rtl8169_net_suspend(struct net_device *dev)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
|
|
if (!netif_running(dev))
|
|
return;
|
|
|
|
rtl_pll_power_down(tp);
|
|
|
|
netif_device_detach(dev);
|
|
netif_stop_queue(dev);
|
|
}
|
|
|
|
#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);
|
|
|
|
rtl8169_net_suspend(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __rtl8169_resume(struct net_device *dev)
|
|
{
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
|
|
netif_device_attach(dev);
|
|
|
|
rtl_pll_power_up(tp);
|
|
|
|
rtl8169_schedule_work(dev, rtl8169_reset_task);
|
|
}
|
|
|
|
static int rtl8169_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);
|
|
|
|
rtl8169_init_phy(dev, tp);
|
|
|
|
if (netif_running(dev))
|
|
__rtl8169_resume(dev);
|
|
|
|
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);
|
|
|
|
rtl8169_init_phy(dev, tp);
|
|
|
|
__rtl8169_resume(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
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);
|
|
|
|
return tp->TxDescArray ? -EBUSY : 0;
|
|
}
|
|
|
|
static const struct dev_pm_ops rtl8169_pm_ops = {
|
|
.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,
|
|
};
|
|
|
|
#define RTL8169_PM_OPS (&rtl8169_pm_ops)
|
|
|
|
#else /* !CONFIG_PM */
|
|
|
|
#define RTL8169_PM_OPS NULL
|
|
|
|
#endif /* !CONFIG_PM */
|
|
|
|
static void rtl_shutdown(struct pci_dev *pdev)
|
|
{
|
|
struct net_device *dev = pci_get_drvdata(pdev);
|
|
struct rtl8169_private *tp = netdev_priv(dev);
|
|
void __iomem *ioaddr = tp->mmio_addr;
|
|
|
|
rtl8169_net_suspend(dev);
|
|
|
|
/* Restore original MAC address */
|
|
rtl_rar_set(tp, dev->perm_addr);
|
|
|
|
spin_lock_irq(&tp->lock);
|
|
|
|
rtl8169_hw_reset(tp);
|
|
|
|
spin_unlock_irq(&tp->lock);
|
|
|
|
if (system_state == SYSTEM_POWER_OFF) {
|
|
/* WoL fails with 8168b when the receiver is disabled. */
|
|
if ((tp->mac_version == RTL_GIGA_MAC_VER_11 ||
|
|
tp->mac_version == RTL_GIGA_MAC_VER_12 ||
|
|
tp->mac_version == RTL_GIGA_MAC_VER_17) &&
|
|
(tp->features & RTL_FEATURE_WOL)) {
|
|
pci_clear_master(pdev);
|
|
|
|
RTL_W8(ChipCmd, CmdRxEnb);
|
|
/* PCI commit */
|
|
RTL_R8(ChipCmd);
|
|
}
|
|
|
|
pci_wake_from_d3(pdev, true);
|
|
pci_set_power_state(pdev, PCI_D3hot);
|
|
}
|
|
}
|
|
|
|
static struct pci_driver rtl8169_pci_driver = {
|
|
.name = MODULENAME,
|
|
.id_table = rtl8169_pci_tbl,
|
|
.probe = rtl8169_init_one,
|
|
.remove = __devexit_p(rtl8169_remove_one),
|
|
.shutdown = rtl_shutdown,
|
|
.driver.pm = RTL8169_PM_OPS,
|
|
};
|
|
|
|
static int __init rtl8169_init_module(void)
|
|
{
|
|
return pci_register_driver(&rtl8169_pci_driver);
|
|
}
|
|
|
|
static void __exit rtl8169_cleanup_module(void)
|
|
{
|
|
pci_unregister_driver(&rtl8169_pci_driver);
|
|
}
|
|
|
|
module_init(rtl8169_init_module);
|
|
module_exit(rtl8169_cleanup_module);
|