| /* |
| * 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/clk.h> |
| #include <linux/delay.h> |
| #include <linux/ethtool.h> |
| #include <linux/phy.h> |
| #include <linux/if_vlan.h> |
| #include <linux/crc32.h> |
| #include <linux/in.h> |
| #include <linux/io.h> |
| #include <linux/ip.h> |
| #include <linux/tcp.h> |
| #include <linux/interrupt.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/pm_runtime.h> |
| #include <linux/firmware.h> |
| #include <linux/prefetch.h> |
| #include <linux/pci-aspm.h> |
| #include <linux/ipv6.h> |
| #include <net/ip6_checksum.h> |
| |
| #define MODULENAME "r8169" |
| |
| #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_8168F_1 "rtl_nic/rtl8168f-1.fw" |
| #define FIRMWARE_8168F_2 "rtl_nic/rtl8168f-2.fw" |
| #define FIRMWARE_8105E_1 "rtl_nic/rtl8105e-1.fw" |
| #define FIRMWARE_8402_1 "rtl_nic/rtl8402-1.fw" |
| #define FIRMWARE_8411_1 "rtl_nic/rtl8411-1.fw" |
| #define FIRMWARE_8411_2 "rtl_nic/rtl8411-2.fw" |
| #define FIRMWARE_8106E_1 "rtl_nic/rtl8106e-1.fw" |
| #define FIRMWARE_8106E_2 "rtl_nic/rtl8106e-2.fw" |
| #define FIRMWARE_8168G_2 "rtl_nic/rtl8168g-2.fw" |
| #define FIRMWARE_8168G_3 "rtl_nic/rtl8168g-3.fw" |
| #define FIRMWARE_8168H_1 "rtl_nic/rtl8168h-1.fw" |
| #define FIRMWARE_8168H_2 "rtl_nic/rtl8168h-2.fw" |
| #define FIRMWARE_8107E_1 "rtl_nic/rtl8107e-1.fw" |
| #define FIRMWARE_8107E_2 "rtl_nic/rtl8107e-2.fw" |
| |
| #define R8169_MSG_DEFAULT \ |
| (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN) |
| |
| /* 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; |
| |
| #define TX_DMA_BURST 7 /* Maximum PCI burst, '7' is unlimited */ |
| #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */ |
| |
| #define R8169_REGS_SIZE 256 |
| #define R8169_RX_BUF_SIZE (SZ_16K - 1) |
| #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */ |
| #define NUM_RX_DESC 256U /* Number of Rx descriptor registers */ |
| #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc)) |
| #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc)) |
| |
| /* write/read MMIO register */ |
| #define RTL_W8(tp, reg, val8) writeb((val8), tp->mmio_addr + (reg)) |
| #define RTL_W16(tp, reg, val16) writew((val16), tp->mmio_addr + (reg)) |
| #define RTL_W32(tp, reg, val32) writel((val32), tp->mmio_addr + (reg)) |
| #define RTL_R8(tp, reg) readb(tp->mmio_addr + (reg)) |
| #define RTL_R16(tp, reg) readw(tp->mmio_addr + (reg)) |
| #define RTL_R32(tp, reg) readl(tp->mmio_addr + (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_VER_35, |
| RTL_GIGA_MAC_VER_36, |
| RTL_GIGA_MAC_VER_37, |
| RTL_GIGA_MAC_VER_38, |
| RTL_GIGA_MAC_VER_39, |
| RTL_GIGA_MAC_VER_40, |
| RTL_GIGA_MAC_VER_41, |
| RTL_GIGA_MAC_VER_42, |
| RTL_GIGA_MAC_VER_43, |
| RTL_GIGA_MAC_VER_44, |
| RTL_GIGA_MAC_VER_45, |
| RTL_GIGA_MAC_VER_46, |
| RTL_GIGA_MAC_VER_47, |
| RTL_GIGA_MAC_VER_48, |
| RTL_GIGA_MAC_VER_49, |
| RTL_GIGA_MAC_VER_50, |
| RTL_GIGA_MAC_VER_51, |
| RTL_GIGA_MAC_NONE = 0xff, |
| }; |
| |
| #define JUMBO_1K ETH_DATA_LEN |
| #define JUMBO_4K (4*1024 - ETH_HLEN - 2) |
| #define JUMBO_6K (6*1024 - ETH_HLEN - 2) |
| #define JUMBO_7K (7*1024 - ETH_HLEN - 2) |
| #define JUMBO_9K (9*1024 - ETH_HLEN - 2) |
| |
| static const struct { |
| const char *name; |
| const char *fw_name; |
| } rtl_chip_infos[] = { |
| /* PCI devices. */ |
| [RTL_GIGA_MAC_VER_01] = {"RTL8169" }, |
| [RTL_GIGA_MAC_VER_02] = {"RTL8169s" }, |
| [RTL_GIGA_MAC_VER_03] = {"RTL8110s" }, |
| [RTL_GIGA_MAC_VER_04] = {"RTL8169sb/8110sb" }, |
| [RTL_GIGA_MAC_VER_05] = {"RTL8169sc/8110sc" }, |
| [RTL_GIGA_MAC_VER_06] = {"RTL8169sc/8110sc" }, |
| /* PCI-E devices. */ |
| [RTL_GIGA_MAC_VER_07] = {"RTL8102e" }, |
| [RTL_GIGA_MAC_VER_08] = {"RTL8102e" }, |
| [RTL_GIGA_MAC_VER_09] = {"RTL8102e" }, |
| [RTL_GIGA_MAC_VER_10] = {"RTL8101e" }, |
| [RTL_GIGA_MAC_VER_11] = {"RTL8168b/8111b" }, |
| [RTL_GIGA_MAC_VER_12] = {"RTL8168b/8111b" }, |
| [RTL_GIGA_MAC_VER_13] = {"RTL8101e" }, |
| [RTL_GIGA_MAC_VER_14] = {"RTL8100e" }, |
| [RTL_GIGA_MAC_VER_15] = {"RTL8100e" }, |
| [RTL_GIGA_MAC_VER_16] = {"RTL8101e" }, |
| [RTL_GIGA_MAC_VER_17] = {"RTL8168b/8111b" }, |
| [RTL_GIGA_MAC_VER_18] = {"RTL8168cp/8111cp" }, |
| [RTL_GIGA_MAC_VER_19] = {"RTL8168c/8111c" }, |
| [RTL_GIGA_MAC_VER_20] = {"RTL8168c/8111c" }, |
| [RTL_GIGA_MAC_VER_21] = {"RTL8168c/8111c" }, |
| [RTL_GIGA_MAC_VER_22] = {"RTL8168c/8111c" }, |
| [RTL_GIGA_MAC_VER_23] = {"RTL8168cp/8111cp" }, |
| [RTL_GIGA_MAC_VER_24] = {"RTL8168cp/8111cp" }, |
| [RTL_GIGA_MAC_VER_25] = {"RTL8168d/8111d", FIRMWARE_8168D_1}, |
| [RTL_GIGA_MAC_VER_26] = {"RTL8168d/8111d", FIRMWARE_8168D_2}, |
| [RTL_GIGA_MAC_VER_27] = {"RTL8168dp/8111dp" }, |
| [RTL_GIGA_MAC_VER_28] = {"RTL8168dp/8111dp" }, |
| [RTL_GIGA_MAC_VER_29] = {"RTL8105e", FIRMWARE_8105E_1}, |
| [RTL_GIGA_MAC_VER_30] = {"RTL8105e", FIRMWARE_8105E_1}, |
| [RTL_GIGA_MAC_VER_31] = {"RTL8168dp/8111dp" }, |
| [RTL_GIGA_MAC_VER_32] = {"RTL8168e/8111e", FIRMWARE_8168E_1}, |
| [RTL_GIGA_MAC_VER_33] = {"RTL8168e/8111e", FIRMWARE_8168E_2}, |
| [RTL_GIGA_MAC_VER_34] = {"RTL8168evl/8111evl", FIRMWARE_8168E_3}, |
| [RTL_GIGA_MAC_VER_35] = {"RTL8168f/8111f", FIRMWARE_8168F_1}, |
| [RTL_GIGA_MAC_VER_36] = {"RTL8168f/8111f", FIRMWARE_8168F_2}, |
| [RTL_GIGA_MAC_VER_37] = {"RTL8402", FIRMWARE_8402_1 }, |
| [RTL_GIGA_MAC_VER_38] = {"RTL8411", FIRMWARE_8411_1 }, |
| [RTL_GIGA_MAC_VER_39] = {"RTL8106e", FIRMWARE_8106E_1}, |
| [RTL_GIGA_MAC_VER_40] = {"RTL8168g/8111g", FIRMWARE_8168G_2}, |
| [RTL_GIGA_MAC_VER_41] = {"RTL8168g/8111g" }, |
| [RTL_GIGA_MAC_VER_42] = {"RTL8168g/8111g", FIRMWARE_8168G_3}, |
| [RTL_GIGA_MAC_VER_43] = {"RTL8106e", FIRMWARE_8106E_2}, |
| [RTL_GIGA_MAC_VER_44] = {"RTL8411", FIRMWARE_8411_2 }, |
| [RTL_GIGA_MAC_VER_45] = {"RTL8168h/8111h", FIRMWARE_8168H_1}, |
| [RTL_GIGA_MAC_VER_46] = {"RTL8168h/8111h", FIRMWARE_8168H_2}, |
| [RTL_GIGA_MAC_VER_47] = {"RTL8107e", FIRMWARE_8107E_1}, |
| [RTL_GIGA_MAC_VER_48] = {"RTL8107e", FIRMWARE_8107E_2}, |
| [RTL_GIGA_MAC_VER_49] = {"RTL8168ep/8111ep" }, |
| [RTL_GIGA_MAC_VER_50] = {"RTL8168ep/8111ep" }, |
| [RTL_GIGA_MAC_VER_51] = {"RTL8168ep/8111ep" }, |
| }; |
| |
| enum cfg_version { |
| RTL_CFG_0 = 0x00, |
| RTL_CFG_1, |
| RTL_CFG_2 |
| }; |
| |
| static const struct pci_device_id rtl8169_pci_tbl[] = { |
| { PCI_VDEVICE(REALTEK, 0x2502), RTL_CFG_1 }, |
| { PCI_VDEVICE(REALTEK, 0x2600), RTL_CFG_1 }, |
| { PCI_VDEVICE(REALTEK, 0x8129), RTL_CFG_0 }, |
| { PCI_VDEVICE(REALTEK, 0x8136), RTL_CFG_2 }, |
| { PCI_VDEVICE(REALTEK, 0x8161), RTL_CFG_1 }, |
| { PCI_VDEVICE(REALTEK, 0x8167), RTL_CFG_0 }, |
| { PCI_VDEVICE(REALTEK, 0x8168), RTL_CFG_1 }, |
| { PCI_VDEVICE(NCUBE, 0x8168), RTL_CFG_1 }, |
| { PCI_VDEVICE(REALTEK, 0x8169), RTL_CFG_0 }, |
| { PCI_VENDOR_ID_DLINK, 0x4300, |
| PCI_VENDOR_ID_DLINK, 0x4b10, 0, 0, RTL_CFG_1 }, |
| { PCI_VDEVICE(DLINK, 0x4300), RTL_CFG_0 }, |
| { PCI_VDEVICE(DLINK, 0x4302), RTL_CFG_0 }, |
| { PCI_VDEVICE(AT, 0xc107), RTL_CFG_0 }, |
| { PCI_VDEVICE(USR, 0x0116), 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 }, |
| {} |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl); |
| |
| 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 RX_EARLY_OFF (1 << 11) |
| #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, |
| #define PME_SIGNAL (1 << 5) /* 8168c and later */ |
| |
| Config3 = 0x54, |
| Config4 = 0x55, |
| Config5 = 0x56, |
| MultiIntr = 0x5c, |
| PHYAR = 0x60, |
| PHYstatus = 0x6c, |
| RxMaxSize = 0xda, |
| CPlusCmd = 0xe0, |
| IntrMitigate = 0xe2, |
| |
| #define RTL_COALESCE_MASK 0x0f |
| #define RTL_COALESCE_SHIFT 4 |
| #define RTL_COALESCE_T_MAX (RTL_COALESCE_MASK) |
| #define RTL_COALESCE_FRAME_MAX (RTL_COALESCE_MASK << 2) |
| |
| 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) |
| #define EarlySize 0x27 |
| |
| FuncEvent = 0xf0, |
| FuncEventMask = 0xf4, |
| FuncPresetState = 0xf8, |
| IBCR0 = 0xf8, |
| IBCR2 = 0xf9, |
| IBIMR0 = 0xfa, |
| IBISR0 = 0xfb, |
| FuncForceEvent = 0xfc, |
| }; |
| |
| enum rtl8168_8101_registers { |
| CSIDR = 0x64, |
| CSIAR = 0x68, |
| #define CSIAR_FLAG 0x80000000 |
| #define CSIAR_WRITE_CMD 0x80000000 |
| #define CSIAR_BYTE_ENABLE 0x0000f000 |
| #define CSIAR_ADDR_MASK 0x00000fff |
| 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) |
| #define TX_10M_PS_EN (1 << 7) |
| 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 TX_EMPTY (1 << 5) |
| #define RX_EMPTY (1 << 4) |
| #define RXTX_EMPTY (TX_EMPTY | RX_EMPTY) |
| #define EN_NDP (1 << 3) |
| #define EN_OOB_RESET (1 << 2) |
| #define LINK_LIST_RDY (1 << 1) |
| 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 |
| MISC_1 = 0xf2, |
| #define PFM_D3COLD_EN (1 << 6) |
| }; |
| |
| 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_OOB (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_0100 (0x4 << ERIAR_MASK_SHIFT) |
| #define ERIAR_MASK_0101 (0x5 << 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 |
| GPHY_OCP = 0xb8, |
| RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */ |
| MISC = 0xf0, /* 8168e only. */ |
| #define TXPLA_RST (1 << 29) |
| #define DISABLE_LAN_EN (1 << 23) /* Enable GPIO pin */ |
| #define PWM_EN (1 << 22) |
| #define RXDV_GATED_EN (1 << 19) |
| #define EARLY_TALLY_EN (1 << 16) |
| }; |
| |
| 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 */ |
| RxBOVF = (1 << 24), |
| 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), |
| Speed_down = (1 << 4), |
| MEMMAP = (1 << 3), |
| IOMAP = (1 << 2), |
| VPD = (1 << 1), |
| PMEnable = (1 << 0), /* Power Management Enable */ |
| |
| /* Config2 register p. 25 */ |
| ClkReqEn = (1 << 7), /* Clock Request Enable */ |
| MSIEnable = (1 << 5), /* 8169 only. Reserved in the 8168. */ |
| 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 */ |
| Jumbo_En0 = (1 << 2), /* 8168 only. Reserved in the 8168b */ |
| Rdy_to_L23 = (1 << 1), /* L23 Enable */ |
| Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */ |
| |
| /* Config4 register */ |
| Jumbo_En1 = (1 << 1), /* 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# */ |
| ASPM_en = (1 << 0), /* ASPM enable */ |
| |
| /* 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), |
| #define INTT_MASK GENMASK(1, 0) |
| |
| /* rtl8169_PHYstatus */ |
| TBI_Enable = 0x80, |
| TxFlowCtrl = 0x40, |
| RxFlowCtrl = 0x20, |
| _1000bpsF = 0x10, |
| _100bps = 0x08, |
| _10bps = 0x04, |
| LinkStatus = 0x02, |
| FullDup = 0x01, |
| |
| /* _TBICSRBit */ |
| TBILinkOK = 0x02000000, |
| |
| /* ResetCounterCommand */ |
| CounterReset = 0x1, |
| |
| /* DumpCounterCommand */ |
| CounterDump = 0x8, |
| |
| /* magic enable v2 */ |
| MagicPacket_v2 = (1 << 16), /* Wake up when receives a Magic Packet */ |
| }; |
| |
| 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 { |
| /* First doubleword. */ |
| TD1_GTSENV4 = (1 << 26), /* Giant Send for IPv4 */ |
| TD1_GTSENV6 = (1 << 25), /* Giant Send for IPv6 */ |
| #define GTTCPHO_SHIFT 18 |
| #define GTTCPHO_MAX 0x7fU |
| |
| /* Second doubleword. */ |
| #define TCPHO_SHIFT 18 |
| #define TCPHO_MAX 0x3ffU |
| #define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */ |
| TD1_IPv6_CS = (1 << 28), /* Calculate IPv6 checksum */ |
| TD1_IPv4_CS = (1 << 29), /* Calculate IPv4 checksum */ |
| TD1_TCP_CS = (1 << 30), /* Calculate TCP/IP checksum */ |
| TD1_UDP_CS = (1 << 31), /* Calculate UDP/IP checksum */ |
| }; |
| |
| enum rtl_rx_desc_bit { |
| /* Rx private */ |
| PID1 = (1 << 18), /* Protocol ID bit 1/2 */ |
| PID0 = (1 << 17), /* Protocol ID bit 0/2 */ |
| |
| #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 |
| #define CPCMD_QUIRK_MASK (Normal_mode | RxVlan | RxChkSum | INTT_MASK) |
| |
| 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; |
| }; |
| |
| 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_tc_offsets { |
| bool inited; |
| __le64 tx_errors; |
| __le32 tx_multi_collision; |
| __le16 tx_aborted; |
| }; |
| |
| enum rtl_flag { |
| RTL_FLAG_TASK_ENABLED = 0, |
| RTL_FLAG_TASK_RESET_PENDING, |
| RTL_FLAG_MAX |
| }; |
| |
| struct rtl8169_stats { |
| u64 packets; |
| u64 bytes; |
| struct u64_stats_sync syncp; |
| }; |
| |
| struct rtl8169_private { |
| void __iomem *mmio_addr; /* memory map physical address */ |
| struct pci_dev *pci_dev; |
| struct net_device *dev; |
| struct phy_device *phydev; |
| struct napi_struct napi; |
| u32 msg_enable; |
| 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_tx; |
| struct rtl8169_stats rx_stats; |
| struct rtl8169_stats tx_stats; |
| 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 */ |
| u16 cp_cmd; |
| |
| u16 irq_mask; |
| const struct rtl_coalesce_info *coalesce_info; |
| struct clk *clk; |
| |
| struct mdio_ops { |
| void (*write)(struct rtl8169_private *, int, int); |
| int (*read)(struct rtl8169_private *, int); |
| } mdio_ops; |
| |
| struct jumbo_ops { |
| void (*enable)(struct rtl8169_private *); |
| void (*disable)(struct rtl8169_private *); |
| } jumbo_ops; |
| |
| void (*hw_start)(struct rtl8169_private *tp); |
| bool (*tso_csum)(struct rtl8169_private *, struct sk_buff *, u32 *); |
| |
| struct { |
| DECLARE_BITMAP(flags, RTL_FLAG_MAX); |
| struct mutex mutex; |
| struct work_struct work; |
| } wk; |
| |
| unsigned irq_enabled:1; |
| unsigned supports_gmii:1; |
| dma_addr_t counters_phys_addr; |
| struct rtl8169_counters *counters; |
| struct rtl8169_tc_offsets tc_offset; |
| u32 saved_wolopts; |
| |
| const char *fw_name; |
| 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; |
| |
| u32 ocp_base; |
| }; |
| |
| typedef void (*rtl_generic_fct)(struct rtl8169_private *tp); |
| |
| MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>"); |
| MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver"); |
| module_param_named(debug, debug.msg_enable, int, 0); |
| MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)"); |
| MODULE_SOFTDEP("pre: realtek"); |
| MODULE_LICENSE("GPL"); |
| MODULE_FIRMWARE(FIRMWARE_8168D_1); |
| MODULE_FIRMWARE(FIRMWARE_8168D_2); |
| MODULE_FIRMWARE(FIRMWARE_8168E_1); |
| MODULE_FIRMWARE(FIRMWARE_8168E_2); |
| MODULE_FIRMWARE(FIRMWARE_8168E_3); |
| MODULE_FIRMWARE(FIRMWARE_8105E_1); |
| MODULE_FIRMWARE(FIRMWARE_8168F_1); |
| MODULE_FIRMWARE(FIRMWARE_8168F_2); |
| MODULE_FIRMWARE(FIRMWARE_8402_1); |
| MODULE_FIRMWARE(FIRMWARE_8411_1); |
| MODULE_FIRMWARE(FIRMWARE_8411_2); |
| MODULE_FIRMWARE(FIRMWARE_8106E_1); |
| MODULE_FIRMWARE(FIRMWARE_8106E_2); |
| MODULE_FIRMWARE(FIRMWARE_8168G_2); |
| MODULE_FIRMWARE(FIRMWARE_8168G_3); |
| MODULE_FIRMWARE(FIRMWARE_8168H_1); |
| MODULE_FIRMWARE(FIRMWARE_8168H_2); |
| MODULE_FIRMWARE(FIRMWARE_8107E_1); |
| MODULE_FIRMWARE(FIRMWARE_8107E_2); |
| |
| static inline struct device *tp_to_dev(struct rtl8169_private *tp) |
| { |
| return &tp->pci_dev->dev; |
| } |
| |
| static void rtl_lock_work(struct rtl8169_private *tp) |
| { |
| mutex_lock(&tp->wk.mutex); |
| } |
| |
| static void rtl_unlock_work(struct rtl8169_private *tp) |
| { |
| mutex_unlock(&tp->wk.mutex); |
| } |
| |
| static void rtl_lock_config_regs(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, Cfg9346, Cfg9346_Lock); |
| } |
| |
| static void rtl_unlock_config_regs(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, Cfg9346, Cfg9346_Unlock); |
| } |
| |
| static void rtl_tx_performance_tweak(struct rtl8169_private *tp, u16 force) |
| { |
| pcie_capability_clear_and_set_word(tp->pci_dev, PCI_EXP_DEVCTL, |
| PCI_EXP_DEVCTL_READRQ, force); |
| } |
| |
| struct rtl_cond { |
| bool (*check)(struct rtl8169_private *); |
| const char *msg; |
| }; |
| |
| static void rtl_udelay(unsigned int d) |
| { |
| udelay(d); |
| } |
| |
| static bool rtl_loop_wait(struct rtl8169_private *tp, const struct rtl_cond *c, |
| void (*delay)(unsigned int), unsigned int d, int n, |
| bool high) |
| { |
| int i; |
| |
| for (i = 0; i < n; i++) { |
| if (c->check(tp) == high) |
| return true; |
| delay(d); |
| } |
| netif_err(tp, drv, tp->dev, "%s == %d (loop: %d, delay: %d).\n", |
| c->msg, !high, n, d); |
| return false; |
| } |
| |
| static bool rtl_udelay_loop_wait_high(struct rtl8169_private *tp, |
| const struct rtl_cond *c, |
| unsigned int d, int n) |
| { |
| return rtl_loop_wait(tp, c, rtl_udelay, d, n, true); |
| } |
| |
| static bool rtl_udelay_loop_wait_low(struct rtl8169_private *tp, |
| const struct rtl_cond *c, |
| unsigned int d, int n) |
| { |
| return rtl_loop_wait(tp, c, rtl_udelay, d, n, false); |
| } |
| |
| static bool rtl_msleep_loop_wait_high(struct rtl8169_private *tp, |
| const struct rtl_cond *c, |
| unsigned int d, int n) |
| { |
| return rtl_loop_wait(tp, c, msleep, d, n, true); |
| } |
| |
| static bool rtl_msleep_loop_wait_low(struct rtl8169_private *tp, |
| const struct rtl_cond *c, |
| unsigned int d, int n) |
| { |
| return rtl_loop_wait(tp, c, msleep, d, n, false); |
| } |
| |
| #define DECLARE_RTL_COND(name) \ |
| static bool name ## _check(struct rtl8169_private *); \ |
| \ |
| static const struct rtl_cond name = { \ |
| .check = name ## _check, \ |
| .msg = #name \ |
| }; \ |
| \ |
| static bool name ## _check(struct rtl8169_private *tp) |
| |
| static bool rtl_ocp_reg_failure(struct rtl8169_private *tp, u32 reg) |
| { |
| if (reg & 0xffff0001) { |
| netif_err(tp, drv, tp->dev, "Invalid ocp reg %x!\n", reg); |
| return true; |
| } |
| return false; |
| } |
| |
| DECLARE_RTL_COND(rtl_ocp_gphy_cond) |
| { |
| return RTL_R32(tp, GPHY_OCP) & OCPAR_FLAG; |
| } |
| |
| static void r8168_phy_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data) |
| { |
| if (rtl_ocp_reg_failure(tp, reg)) |
| return; |
| |
| RTL_W32(tp, GPHY_OCP, OCPAR_FLAG | (reg << 15) | data); |
| |
| rtl_udelay_loop_wait_low(tp, &rtl_ocp_gphy_cond, 25, 10); |
| } |
| |
| static u16 r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg) |
| { |
| if (rtl_ocp_reg_failure(tp, reg)) |
| return 0; |
| |
| RTL_W32(tp, GPHY_OCP, reg << 15); |
| |
| return rtl_udelay_loop_wait_high(tp, &rtl_ocp_gphy_cond, 25, 10) ? |
| (RTL_R32(tp, GPHY_OCP) & 0xffff) : ~0; |
| } |
| |
| static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data) |
| { |
| if (rtl_ocp_reg_failure(tp, reg)) |
| return; |
| |
| RTL_W32(tp, OCPDR, OCPAR_FLAG | (reg << 15) | data); |
| } |
| |
| static u16 r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg) |
| { |
| if (rtl_ocp_reg_failure(tp, reg)) |
| return 0; |
| |
| RTL_W32(tp, OCPDR, reg << 15); |
| |
| return RTL_R32(tp, OCPDR); |
| } |
| |
| #define OCP_STD_PHY_BASE 0xa400 |
| |
| static void r8168g_mdio_write(struct rtl8169_private *tp, int reg, int value) |
| { |
| if (reg == 0x1f) { |
| tp->ocp_base = value ? value << 4 : OCP_STD_PHY_BASE; |
| return; |
| } |
| |
| if (tp->ocp_base != OCP_STD_PHY_BASE) |
| reg -= 0x10; |
| |
| r8168_phy_ocp_write(tp, tp->ocp_base + reg * 2, value); |
| } |
| |
| static int r8168g_mdio_read(struct rtl8169_private *tp, int reg) |
| { |
| if (tp->ocp_base != OCP_STD_PHY_BASE) |
| reg -= 0x10; |
| |
| return r8168_phy_ocp_read(tp, tp->ocp_base + reg * 2); |
| } |
| |
| static void mac_mcu_write(struct rtl8169_private *tp, int reg, int value) |
| { |
| if (reg == 0x1f) { |
| tp->ocp_base = value << 4; |
| return; |
| } |
| |
| r8168_mac_ocp_write(tp, tp->ocp_base + reg, value); |
| } |
| |
| static int mac_mcu_read(struct rtl8169_private *tp, int reg) |
| { |
| return r8168_mac_ocp_read(tp, tp->ocp_base + reg); |
| } |
| |
| DECLARE_RTL_COND(rtl_phyar_cond) |
| { |
| return RTL_R32(tp, PHYAR) & 0x80000000; |
| } |
| |
| static void r8169_mdio_write(struct rtl8169_private *tp, int reg, int value) |
| { |
| RTL_W32(tp, PHYAR, 0x80000000 | (reg & 0x1f) << 16 | (value & 0xffff)); |
| |
| rtl_udelay_loop_wait_low(tp, &rtl_phyar_cond, 25, 20); |
| /* |
| * 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(struct rtl8169_private *tp, int reg) |
| { |
| int value; |
| |
| RTL_W32(tp, PHYAR, 0x0 | (reg & 0x1f) << 16); |
| |
| value = rtl_udelay_loop_wait_high(tp, &rtl_phyar_cond, 25, 20) ? |
| RTL_R32(tp, PHYAR) & 0xffff : ~0; |
| |
| /* |
| * According to hardware specs a 20us delay is required after read |
| * complete indication, but before sending next command. |
| */ |
| udelay(20); |
| |
| return value; |
| } |
| |
| DECLARE_RTL_COND(rtl_ocpar_cond) |
| { |
| return RTL_R32(tp, OCPAR) & OCPAR_FLAG; |
| } |
| |
| static void r8168dp_1_mdio_access(struct rtl8169_private *tp, int reg, u32 data) |
| { |
| RTL_W32(tp, OCPDR, data | ((reg & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT)); |
| RTL_W32(tp, OCPAR, OCPAR_GPHY_WRITE_CMD); |
| RTL_W32(tp, EPHY_RXER_NUM, 0); |
| |
| rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 1000, 100); |
| } |
| |
| static void r8168dp_1_mdio_write(struct rtl8169_private *tp, int reg, int value) |
| { |
| r8168dp_1_mdio_access(tp, reg, |
| OCPDR_WRITE_CMD | (value & OCPDR_DATA_MASK)); |
| } |
| |
| static int r8168dp_1_mdio_read(struct rtl8169_private *tp, int reg) |
| { |
| r8168dp_1_mdio_access(tp, reg, OCPDR_READ_CMD); |
| |
| mdelay(1); |
| RTL_W32(tp, OCPAR, OCPAR_GPHY_READ_CMD); |
| RTL_W32(tp, EPHY_RXER_NUM, 0); |
| |
| return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 1000, 100) ? |
| RTL_R32(tp, OCPDR) & OCPDR_DATA_MASK : ~0; |
| } |
| |
| #define R8168DP_1_MDIO_ACCESS_BIT 0x00020000 |
| |
| static void r8168dp_2_mdio_start(struct rtl8169_private *tp) |
| { |
| RTL_W32(tp, 0xd0, RTL_R32(tp, 0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT); |
| } |
| |
| static void r8168dp_2_mdio_stop(struct rtl8169_private *tp) |
| { |
| RTL_W32(tp, 0xd0, RTL_R32(tp, 0xd0) | R8168DP_1_MDIO_ACCESS_BIT); |
| } |
| |
| static void r8168dp_2_mdio_write(struct rtl8169_private *tp, int reg, int value) |
| { |
| r8168dp_2_mdio_start(tp); |
| |
| r8169_mdio_write(tp, reg, value); |
| |
| r8168dp_2_mdio_stop(tp); |
| } |
| |
| static int r8168dp_2_mdio_read(struct rtl8169_private *tp, int reg) |
| { |
| int value; |
| |
| r8168dp_2_mdio_start(tp); |
| |
| value = r8169_mdio_read(tp, reg); |
| |
| r8168dp_2_mdio_stop(tp); |
| |
| return value; |
| } |
| |
| static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val) |
| { |
| tp->mdio_ops.write(tp, location, val); |
| } |
| |
| static int rtl_readphy(struct rtl8169_private *tp, int location) |
| { |
| return tp->mdio_ops.read(tp, 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_w0w1_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 & ~m) | p); |
| } |
| |
| DECLARE_RTL_COND(rtl_ephyar_cond) |
| { |
| return RTL_R32(tp, EPHYAR) & EPHYAR_FLAG; |
| } |
| |
| static void rtl_ephy_write(struct rtl8169_private *tp, int reg_addr, int value) |
| { |
| RTL_W32(tp, EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) | |
| (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); |
| |
| rtl_udelay_loop_wait_low(tp, &rtl_ephyar_cond, 10, 100); |
| |
| udelay(10); |
| } |
| |
| static u16 rtl_ephy_read(struct rtl8169_private *tp, int reg_addr) |
| { |
| RTL_W32(tp, EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); |
| |
| return rtl_udelay_loop_wait_high(tp, &rtl_ephyar_cond, 10, 100) ? |
| RTL_R32(tp, EPHYAR) & EPHYAR_DATA_MASK : ~0; |
| } |
| |
| DECLARE_RTL_COND(rtl_eriar_cond) |
| { |
| return RTL_R32(tp, ERIAR) & ERIAR_FLAG; |
| } |
| |
| static void _rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask, |
| u32 val, int type) |
| { |
| BUG_ON((addr & 3) || (mask == 0)); |
| RTL_W32(tp, ERIDR, val); |
| RTL_W32(tp, ERIAR, ERIAR_WRITE_CMD | type | mask | addr); |
| |
| rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 100); |
| } |
| |
| static void rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask, |
| u32 val) |
| { |
| _rtl_eri_write(tp, addr, mask, val, ERIAR_EXGMAC); |
| } |
| |
| static u32 _rtl_eri_read(struct rtl8169_private *tp, int addr, int type) |
| { |
| RTL_W32(tp, ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr); |
| |
| return rtl_udelay_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ? |
| RTL_R32(tp, ERIDR) : ~0; |
| } |
| |
| static u32 rtl_eri_read(struct rtl8169_private *tp, int addr) |
| { |
| return _rtl_eri_read(tp, addr, ERIAR_EXGMAC); |
| } |
| |
| static void rtl_w0w1_eri(struct rtl8169_private *tp, int addr, u32 mask, u32 p, |
| u32 m) |
| { |
| u32 val; |
| |
| val = rtl_eri_read(tp, addr); |
| rtl_eri_write(tp, addr, mask, (val & ~m) | p); |
| } |
| |
| static void rtl_eri_set_bits(struct rtl8169_private *tp, int addr, u32 mask, |
| u32 p) |
| { |
| rtl_w0w1_eri(tp, addr, mask, p, 0); |
| } |
| |
| static void rtl_eri_clear_bits(struct rtl8169_private *tp, int addr, u32 mask, |
| u32 m) |
| { |
| rtl_w0w1_eri(tp, addr, mask, 0, m); |
| } |
| |
| static u32 r8168dp_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg) |
| { |
| RTL_W32(tp, OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff)); |
| return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 100, 20) ? |
| RTL_R32(tp, OCPDR) : ~0; |
| } |
| |
| static u32 r8168ep_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg) |
| { |
| return _rtl_eri_read(tp, reg, ERIAR_OOB); |
| } |
| |
| static void r8168dp_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, |
| u32 data) |
| { |
| RTL_W32(tp, OCPDR, data); |
| RTL_W32(tp, OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff)); |
| rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 100, 20); |
| } |
| |
| static void r8168ep_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, |
| u32 data) |
| { |
| _rtl_eri_write(tp, reg, ((u32)mask & 0x0f) << ERIAR_MASK_SHIFT, |
| data, ERIAR_OOB); |
| } |
| |
| static void r8168dp_oob_notify(struct rtl8169_private *tp, u8 cmd) |
| { |
| rtl_eri_write(tp, 0xe8, ERIAR_MASK_0001, cmd); |
| |
| r8168dp_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; |
| } |
| |
| DECLARE_RTL_COND(rtl_dp_ocp_read_cond) |
| { |
| u16 reg; |
| |
| reg = rtl8168_get_ocp_reg(tp); |
| |
| return r8168dp_ocp_read(tp, 0x0f, reg) & 0x00000800; |
| } |
| |
| DECLARE_RTL_COND(rtl_ep_ocp_read_cond) |
| { |
| return r8168ep_ocp_read(tp, 0x0f, 0x124) & 0x00000001; |
| } |
| |
| DECLARE_RTL_COND(rtl_ocp_tx_cond) |
| { |
| return RTL_R8(tp, IBISR0) & 0x20; |
| } |
| |
| static void rtl8168ep_stop_cmac(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, IBCR2, RTL_R8(tp, IBCR2) & ~0x01); |
| rtl_msleep_loop_wait_high(tp, &rtl_ocp_tx_cond, 50, 2000); |
| RTL_W8(tp, IBISR0, RTL_R8(tp, IBISR0) | 0x20); |
| RTL_W8(tp, IBCR0, RTL_R8(tp, IBCR0) & ~0x01); |
| } |
| |
| static void rtl8168dp_driver_start(struct rtl8169_private *tp) |
| { |
| r8168dp_oob_notify(tp, OOB_CMD_DRIVER_START); |
| rtl_msleep_loop_wait_high(tp, &rtl_dp_ocp_read_cond, 10, 10); |
| } |
| |
| static void rtl8168ep_driver_start(struct rtl8169_private *tp) |
| { |
| r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_START); |
| r8168ep_ocp_write(tp, 0x01, 0x30, |
| r8168ep_ocp_read(tp, 0x01, 0x30) | 0x01); |
| rtl_msleep_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10, 10); |
| } |
| |
| static void rtl8168_driver_start(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_27: |
| case RTL_GIGA_MAC_VER_28: |
| case RTL_GIGA_MAC_VER_31: |
| rtl8168dp_driver_start(tp); |
| break; |
| case RTL_GIGA_MAC_VER_49: |
| case RTL_GIGA_MAC_VER_50: |
| case RTL_GIGA_MAC_VER_51: |
| rtl8168ep_driver_start(tp); |
| break; |
| default: |
| BUG(); |
| break; |
| } |
| } |
| |
| static void rtl8168dp_driver_stop(struct rtl8169_private *tp) |
| { |
| r8168dp_oob_notify(tp, OOB_CMD_DRIVER_STOP); |
| rtl_msleep_loop_wait_low(tp, &rtl_dp_ocp_read_cond, 10, 10); |
| } |
| |
| static void rtl8168ep_driver_stop(struct rtl8169_private *tp) |
| { |
| rtl8168ep_stop_cmac(tp); |
| r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_STOP); |
| r8168ep_ocp_write(tp, 0x01, 0x30, |
| r8168ep_ocp_read(tp, 0x01, 0x30) | 0x01); |
| rtl_msleep_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10, 10); |
| } |
| |
| static void rtl8168_driver_stop(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_27: |
| case RTL_GIGA_MAC_VER_28: |
| case RTL_GIGA_MAC_VER_31: |
| rtl8168dp_driver_stop(tp); |
| break; |
| case RTL_GIGA_MAC_VER_49: |
| case RTL_GIGA_MAC_VER_50: |
| case RTL_GIGA_MAC_VER_51: |
| rtl8168ep_driver_stop(tp); |
| break; |
| default: |
| BUG(); |
| break; |
| } |
| } |
| |
| static bool r8168dp_check_dash(struct rtl8169_private *tp) |
| { |
| u16 reg = rtl8168_get_ocp_reg(tp); |
| |
| return !!(r8168dp_ocp_read(tp, 0x0f, reg) & 0x00008000); |
| } |
| |
| static bool r8168ep_check_dash(struct rtl8169_private *tp) |
| { |
| return !!(r8168ep_ocp_read(tp, 0x0f, 0x128) & 0x00000001); |
| } |
| |
| static bool r8168_check_dash(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_27: |
| case RTL_GIGA_MAC_VER_28: |
| case RTL_GIGA_MAC_VER_31: |
| return r8168dp_check_dash(tp); |
| case RTL_GIGA_MAC_VER_49: |
| case RTL_GIGA_MAC_VER_50: |
| case RTL_GIGA_MAC_VER_51: |
| return r8168ep_check_dash(tp); |
| default: |
| return false; |
| } |
| } |
| |
| static void rtl_reset_packet_filter(struct rtl8169_private *tp) |
| { |
| rtl_eri_clear_bits(tp, 0xdc, ERIAR_MASK_0001, BIT(0)); |
| rtl_eri_set_bits(tp, 0xdc, ERIAR_MASK_0001, BIT(0)); |
| } |
| |
| DECLARE_RTL_COND(rtl_efusear_cond) |
| { |
| return RTL_R32(tp, EFUSEAR) & EFUSEAR_FLAG; |
| } |
| |
| static u8 rtl8168d_efuse_read(struct rtl8169_private *tp, int reg_addr) |
| { |
| RTL_W32(tp, EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT); |
| |
| return rtl_udelay_loop_wait_high(tp, &rtl_efusear_cond, 100, 300) ? |
| RTL_R32(tp, EFUSEAR) & EFUSEAR_DATA_MASK : ~0; |
| } |
| |
| static void rtl_ack_events(struct rtl8169_private *tp, u16 bits) |
| { |
| RTL_W16(tp, IntrStatus, bits); |
| } |
| |
| static void rtl_irq_disable(struct rtl8169_private *tp) |
| { |
| RTL_W16(tp, IntrMask, 0); |
| tp->irq_enabled = 0; |
| } |
| |
| #define RTL_EVENT_NAPI_RX (RxOK | RxErr) |
| #define RTL_EVENT_NAPI_TX (TxOK | TxErr) |
| #define RTL_EVENT_NAPI (RTL_EVENT_NAPI_RX | RTL_EVENT_NAPI_TX) |
| |
| static void rtl_irq_enable(struct rtl8169_private *tp) |
| { |
| tp->irq_enabled = 1; |
| RTL_W16(tp, IntrMask, tp->irq_mask); |
| } |
| |
| static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp) |
| { |
| rtl_irq_disable(tp); |
| rtl_ack_events(tp, 0xffff); |
| /* PCI commit */ |
| RTL_R8(tp, ChipCmd); |
| } |
| |
| static void rtl_link_chg_patch(struct rtl8169_private *tp) |
| { |
| struct net_device *dev = tp->dev; |
| struct phy_device *phydev = tp->phydev; |
| |
| if (!netif_running(dev)) |
| return; |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_34 || |
| tp->mac_version == RTL_GIGA_MAC_VER_38) { |
| if (phydev->speed == SPEED_1000) { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005); |
| } else if (phydev->speed == SPEED_100) { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005); |
| } else { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f); |
| } |
| rtl_reset_packet_filter(tp); |
| } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 || |
| tp->mac_version == RTL_GIGA_MAC_VER_36) { |
| if (phydev->speed == SPEED_1000) { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005); |
| } else { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f); |
| } |
| } else if (tp->mac_version == RTL_GIGA_MAC_VER_37) { |
| if (phydev->speed == SPEED_10) { |
| rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x4d02); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_0011, 0x0060a); |
| } else { |
| rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000); |
| } |
| } |
| } |
| |
| #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) |
| |
| static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| rtl_lock_work(tp); |
| wol->supported = WAKE_ANY; |
| wol->wolopts = tp->saved_wolopts; |
| rtl_unlock_work(tp); |
| } |
| |
| static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts) |
| { |
| unsigned int i, tmp; |
| static const struct { |
| u32 opt; |
| u16 reg; |
| u8 mask; |
| } cfg[] = { |
| { WAKE_PHY, Config3, LinkUp }, |
| { WAKE_UCAST, Config5, UWF }, |
| { WAKE_BCAST, Config5, BWF }, |
| { WAKE_MCAST, Config5, MWF }, |
| { WAKE_ANY, Config5, LanWake }, |
| { WAKE_MAGIC, Config3, MagicPacket } |
| }; |
| u8 options; |
| |
| rtl_unlock_config_regs(tp); |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38: |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: |
| tmp = ARRAY_SIZE(cfg) - 1; |
| if (wolopts & WAKE_MAGIC) |
| rtl_eri_set_bits(tp, 0x0dc, ERIAR_MASK_0100, |
| MagicPacket_v2); |
| else |
| rtl_eri_clear_bits(tp, 0x0dc, ERIAR_MASK_0100, |
| MagicPacket_v2); |
| break; |
| default: |
| tmp = ARRAY_SIZE(cfg); |
| break; |
| } |
| |
| for (i = 0; i < tmp; i++) { |
| options = RTL_R8(tp, cfg[i].reg) & ~cfg[i].mask; |
| if (wolopts & cfg[i].opt) |
| options |= cfg[i].mask; |
| RTL_W8(tp, cfg[i].reg, options); |
| } |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_17: |
| options = RTL_R8(tp, Config1) & ~PMEnable; |
| if (wolopts) |
| options |= PMEnable; |
| RTL_W8(tp, Config1, options); |
| break; |
| default: |
| options = RTL_R8(tp, Config2) & ~PME_SIGNAL; |
| if (wolopts) |
| options |= PME_SIGNAL; |
| RTL_W8(tp, Config2, options); |
| break; |
| } |
| |
| rtl_lock_config_regs(tp); |
| |
| device_set_wakeup_enable(tp_to_dev(tp), wolopts); |
| } |
| |
| static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| struct device *d = tp_to_dev(tp); |
| |
| if (wol->wolopts & ~WAKE_ANY) |
| return -EINVAL; |
| |
| pm_runtime_get_noresume(d); |
| |
| rtl_lock_work(tp); |
| |
| tp->saved_wolopts = wol->wolopts; |
| |
| if (pm_runtime_active(d)) |
| __rtl8169_set_wol(tp, tp->saved_wolopts); |
| |
| rtl_unlock_work(tp); |
| |
| pm_runtime_put_noidle(d); |
| |
| return 0; |
| } |
| |
| 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; |
| |
| strlcpy(info->driver, MODULENAME, sizeof(info->driver)); |
| strlcpy(info->bus_info, pci_name(tp->pci_dev), sizeof(info->bus_info)); |
| BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version)); |
| if (rtl_fw) |
| strlcpy(info->fw_version, rtl_fw->version, |
| sizeof(info->fw_version)); |
| } |
| |
| static int rtl8169_get_regs_len(struct net_device *dev) |
| { |
| return R8169_REGS_SIZE; |
| } |
| |
| static netdev_features_t rtl8169_fix_features(struct net_device *dev, |
| netdev_features_t features) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| if (dev->mtu > TD_MSS_MAX) |
| features &= ~NETIF_F_ALL_TSO; |
| |
| if (dev->mtu > JUMBO_1K && |
| tp->mac_version > RTL_GIGA_MAC_VER_06) |
| features &= ~NETIF_F_IP_CSUM; |
| |
| return features; |
| } |
| |
| static int rtl8169_set_features(struct net_device *dev, |
| netdev_features_t features) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| u32 rx_config; |
| |
| rtl_lock_work(tp); |
| |
| rx_config = RTL_R32(tp, RxConfig); |
| if (features & NETIF_F_RXALL) |
| rx_config |= (AcceptErr | AcceptRunt); |
| else |
| rx_config &= ~(AcceptErr | AcceptRunt); |
| |
| RTL_W32(tp, RxConfig, rx_config); |
| |
| if (features & NETIF_F_RXCSUM) |
| tp->cp_cmd |= RxChkSum; |
| else |
| tp->cp_cmd &= ~RxChkSum; |
| |
| if (features & NETIF_F_HW_VLAN_CTAG_RX) |
| tp->cp_cmd |= RxVlan; |
| else |
| tp->cp_cmd &= ~RxVlan; |
| |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| RTL_R16(tp, CPlusCmd); |
| |
| rtl_unlock_work(tp); |
| |
| return 0; |
| } |
| |
| static inline u32 rtl8169_tx_vlan_tag(struct sk_buff *skb) |
| { |
| return (skb_vlan_tag_present(skb)) ? |
| TxVlanTag | swab16(skb_vlan_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, htons(ETH_P_8021Q), swab16(opts2 & 0xffff)); |
| } |
| |
| static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs, |
| void *p) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| u32 __iomem *data = tp->mmio_addr; |
| u32 *dw = p; |
| int i; |
| |
| rtl_lock_work(tp); |
| for (i = 0; i < R8169_REGS_SIZE; i += 4) |
| memcpy_fromio(dw++, data++, 4); |
| rtl_unlock_work(tp); |
| } |
| |
| 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; |
| } |
| } |
| |
| DECLARE_RTL_COND(rtl_counters_cond) |
| { |
| return RTL_R32(tp, CounterAddrLow) & (CounterReset | CounterDump); |
| } |
| |
| static bool rtl8169_do_counters(struct rtl8169_private *tp, u32 counter_cmd) |
| { |
| dma_addr_t paddr = tp->counters_phys_addr; |
| u32 cmd; |
| |
| RTL_W32(tp, CounterAddrHigh, (u64)paddr >> 32); |
| RTL_R32(tp, CounterAddrHigh); |
| cmd = (u64)paddr & DMA_BIT_MASK(32); |
| RTL_W32(tp, CounterAddrLow, cmd); |
| RTL_W32(tp, CounterAddrLow, cmd | counter_cmd); |
| |
| return rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000); |
| } |
| |
| static bool rtl8169_reset_counters(struct rtl8169_private *tp) |
| { |
| /* |
| * Versions prior to RTL_GIGA_MAC_VER_19 don't support resetting the |
| * tally counters. |
| */ |
| if (tp->mac_version < RTL_GIGA_MAC_VER_19) |
| return true; |
| |
| return rtl8169_do_counters(tp, CounterReset); |
| } |
| |
| static bool rtl8169_update_counters(struct rtl8169_private *tp) |
| { |
| u8 val = RTL_R8(tp, ChipCmd); |
| |
| /* |
| * Some chips are unable to dump tally counters when the receiver |
| * is disabled. If 0xff chip may be in a PCI power-save state. |
| */ |
| if (!(val & CmdRxEnb) || val == 0xff) |
| return true; |
| |
| return rtl8169_do_counters(tp, CounterDump); |
| } |
| |
| static bool rtl8169_init_counter_offsets(struct rtl8169_private *tp) |
| { |
| struct rtl8169_counters *counters = tp->counters; |
| bool ret = false; |
| |
| /* |
| * rtl8169_init_counter_offsets is called from rtl_open. On chip |
| * versions prior to RTL_GIGA_MAC_VER_19 the tally counters are only |
| * reset by a power cycle, while the counter values collected by the |
| * driver are reset at every driver unload/load cycle. |
| * |
| * To make sure the HW values returned by @get_stats64 match the SW |
| * values, we collect the initial values at first open(*) and use them |
| * as offsets to normalize the values returned by @get_stats64. |
| * |
| * (*) We can't call rtl8169_init_counter_offsets from rtl_init_one |
| * for the reason stated in rtl8169_update_counters; CmdRxEnb is only |
| * set at open time by rtl_hw_start. |
| */ |
| |
| if (tp->tc_offset.inited) |
| return true; |
| |
| /* If both, reset and update fail, propagate to caller. */ |
| if (rtl8169_reset_counters(tp)) |
| ret = true; |
| |
| if (rtl8169_update_counters(tp)) |
| ret = true; |
| |
| tp->tc_offset.tx_errors = counters->tx_errors; |
| tp->tc_offset.tx_multi_collision = counters->tx_multi_collision; |
| tp->tc_offset.tx_aborted = counters->tx_aborted; |
| tp->tc_offset.inited = true; |
| |
| return ret; |
| } |
| |
| static void rtl8169_get_ethtool_stats(struct net_device *dev, |
| struct ethtool_stats *stats, u64 *data) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| struct device *d = tp_to_dev(tp); |
| struct rtl8169_counters *counters = tp->counters; |
| |
| ASSERT_RTNL(); |
| |
| pm_runtime_get_noresume(d); |
| |
| if (pm_runtime_active(d)) |
| rtl8169_update_counters(tp); |
| |
| pm_runtime_put_noidle(d); |
| |
| data[0] = le64_to_cpu(counters->tx_packets); |
| data[1] = le64_to_cpu(counters->rx_packets); |
| data[2] = le64_to_cpu(counters->tx_errors); |
| data[3] = le32_to_cpu(counters->rx_errors); |
| data[4] = le16_to_cpu(counters->rx_missed); |
| data[5] = le16_to_cpu(counters->align_errors); |
| data[6] = le32_to_cpu(counters->tx_one_collision); |
| data[7] = le32_to_cpu(counters->tx_multi_collision); |
| data[8] = le64_to_cpu(counters->rx_unicast); |
| data[9] = le64_to_cpu(counters->rx_broadcast); |
| data[10] = le32_to_cpu(counters->rx_multicast); |
| data[11] = le16_to_cpu(counters->tx_aborted); |
| data[12] = le16_to_cpu(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; |
| } |
| } |
| |
| /* |
| * Interrupt coalescing |
| * |
| * > 1 - the availability of the IntrMitigate (0xe2) register through the |
| * > 8169, 8168 and 810x line of chipsets |
| * |
| * 8169, 8168, and 8136(810x) serial chipsets support it. |
| * |
| * > 2 - the Tx timer unit at gigabit speed |
| * |
| * The unit of the timer depends on both the speed and the setting of CPlusCmd |
| * (0xe0) bit 1 and bit 0. |
| * |
| * For 8169 |
| * bit[1:0] \ speed 1000M 100M 10M |
| * 0 0 320ns 2.56us 40.96us |
| * 0 1 2.56us 20.48us 327.7us |
| * 1 0 5.12us 40.96us 655.4us |
| * 1 1 10.24us 81.92us 1.31ms |
| * |
| * For the other |
| * bit[1:0] \ speed 1000M 100M 10M |
| * 0 0 5us 2.56us 40.96us |
| * 0 1 40us 20.48us 327.7us |
| * 1 0 80us 40.96us 655.4us |
| * 1 1 160us 81.92us 1.31ms |
| */ |
| |
| /* rx/tx scale factors for one particular CPlusCmd[0:1] value */ |
| struct rtl_coalesce_scale { |
| /* Rx / Tx */ |
| u32 nsecs[2]; |
| }; |
| |
| /* rx/tx scale factors for all CPlusCmd[0:1] cases */ |
| struct rtl_coalesce_info { |
| u32 speed; |
| struct rtl_coalesce_scale scalev[4]; /* each CPlusCmd[0:1] case */ |
| }; |
| |
| /* produce (r,t) pairs with each being in series of *1, *8, *8*2, *8*2*2 */ |
| #define rxtx_x1822(r, t) { \ |
| {{(r), (t)}}, \ |
| {{(r)*8, (t)*8}}, \ |
| {{(r)*8*2, (t)*8*2}}, \ |
| {{(r)*8*2*2, (t)*8*2*2}}, \ |
| } |
| static const struct rtl_coalesce_info rtl_coalesce_info_8169[] = { |
| /* speed delays: rx00 tx00 */ |
| { SPEED_10, rxtx_x1822(40960, 40960) }, |
| { SPEED_100, rxtx_x1822( 2560, 2560) }, |
| { SPEED_1000, rxtx_x1822( 320, 320) }, |
| { 0 }, |
| }; |
| |
| static const struct rtl_coalesce_info rtl_coalesce_info_8168_8136[] = { |
| /* speed delays: rx00 tx00 */ |
| { SPEED_10, rxtx_x1822(40960, 40960) }, |
| { SPEED_100, rxtx_x1822( 2560, 2560) }, |
| { SPEED_1000, rxtx_x1822( 5000, 5000) }, |
| { 0 }, |
| }; |
| #undef rxtx_x1822 |
| |
| /* get rx/tx scale vector corresponding to current speed */ |
| static const struct rtl_coalesce_info *rtl_coalesce_info(struct net_device *dev) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| struct ethtool_link_ksettings ecmd; |
| const struct rtl_coalesce_info *ci; |
| int rc; |
| |
| rc = phy_ethtool_get_link_ksettings(dev, &ecmd); |
| if (rc < 0) |
| return ERR_PTR(rc); |
| |
| for (ci = tp->coalesce_info; ci->speed != 0; ci++) { |
| if (ecmd.base.speed == ci->speed) { |
| return ci; |
| } |
| } |
| |
| return ERR_PTR(-ELNRNG); |
| } |
| |
| static int rtl_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| const struct rtl_coalesce_info *ci; |
| const struct rtl_coalesce_scale *scale; |
| struct { |
| u32 *max_frames; |
| u32 *usecs; |
| } coal_settings [] = { |
| { &ec->rx_max_coalesced_frames, &ec->rx_coalesce_usecs }, |
| { &ec->tx_max_coalesced_frames, &ec->tx_coalesce_usecs } |
| }, *p = coal_settings; |
| int i; |
| u16 w; |
| |
| memset(ec, 0, sizeof(*ec)); |
| |
| /* get rx/tx scale corresponding to current speed and CPlusCmd[0:1] */ |
| ci = rtl_coalesce_info(dev); |
| if (IS_ERR(ci)) |
| return PTR_ERR(ci); |
| |
| scale = &ci->scalev[tp->cp_cmd & INTT_MASK]; |
| |
| /* read IntrMitigate and adjust according to scale */ |
| for (w = RTL_R16(tp, IntrMitigate); w; w >>= RTL_COALESCE_SHIFT, p++) { |
| *p->max_frames = (w & RTL_COALESCE_MASK) << 2; |
| w >>= RTL_COALESCE_SHIFT; |
| *p->usecs = w & RTL_COALESCE_MASK; |
| } |
| |
| for (i = 0; i < 2; i++) { |
| p = coal_settings + i; |
| *p->usecs = (*p->usecs * scale->nsecs[i]) / 1000; |
| |
| /* |
| * ethtool_coalesce says it is illegal to set both usecs and |
| * max_frames to 0. |
| */ |
| if (!*p->usecs && !*p->max_frames) |
| *p->max_frames = 1; |
| } |
| |
| return 0; |
| } |
| |
| /* choose appropriate scale factor and CPlusCmd[0:1] for (speed, nsec) */ |
| static const struct rtl_coalesce_scale *rtl_coalesce_choose_scale( |
| struct net_device *dev, u32 nsec, u16 *cp01) |
| { |
| const struct rtl_coalesce_info *ci; |
| u16 i; |
| |
| ci = rtl_coalesce_info(dev); |
| if (IS_ERR(ci)) |
| return ERR_CAST(ci); |
| |
| for (i = 0; i < 4; i++) { |
| u32 rxtx_maxscale = max(ci->scalev[i].nsecs[0], |
| ci->scalev[i].nsecs[1]); |
| if (nsec <= rxtx_maxscale * RTL_COALESCE_T_MAX) { |
| *cp01 = i; |
| return &ci->scalev[i]; |
| } |
| } |
| |
| return ERR_PTR(-EINVAL); |
| } |
| |
| static int rtl_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| const struct rtl_coalesce_scale *scale; |
| struct { |
| u32 frames; |
| u32 usecs; |
| } coal_settings [] = { |
| { ec->rx_max_coalesced_frames, ec->rx_coalesce_usecs }, |
| { ec->tx_max_coalesced_frames, ec->tx_coalesce_usecs } |
| }, *p = coal_settings; |
| u16 w = 0, cp01; |
| int i; |
| |
| scale = rtl_coalesce_choose_scale(dev, |
| max(p[0].usecs, p[1].usecs) * 1000, &cp01); |
| if (IS_ERR(scale)) |
| return PTR_ERR(scale); |
| |
| for (i = 0; i < 2; i++, p++) { |
| u32 units; |
| |
| /* |
| * accept max_frames=1 we returned in rtl_get_coalesce. |
| * accept it not only when usecs=0 because of e.g. the following scenario: |
| * |
| * - both rx_usecs=0 & rx_frames=0 in hardware (no delay on RX) |
| * - rtl_get_coalesce returns rx_usecs=0, rx_frames=1 |
| * - then user does `ethtool -C eth0 rx-usecs 100` |
| * |
| * since ethtool sends to kernel whole ethtool_coalesce |
| * settings, if we do not handle rx_usecs=!0, rx_frames=1 |
| * we'll reject it below in `frames % 4 != 0`. |
| */ |
| if (p->frames == 1) { |
| p->frames = 0; |
| } |
| |
| units = p->usecs * 1000 / scale->nsecs[i]; |
| if (p->frames > RTL_COALESCE_FRAME_MAX || p->frames % 4) |
| return -EINVAL; |
| |
| w <<= RTL_COALESCE_SHIFT; |
| w |= units; |
| w <<= RTL_COALESCE_SHIFT; |
| w |= p->frames >> 2; |
| } |
| |
| rtl_lock_work(tp); |
| |
| RTL_W16(tp, IntrMitigate, swab16(w)); |
| |
| tp->cp_cmd = (tp->cp_cmd & ~INTT_MASK) | cp01; |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| RTL_R16(tp, CPlusCmd); |
| |
| rtl_unlock_work(tp); |
| |
| return 0; |
| } |
| |
| static int rtl_get_eee_supp(struct rtl8169_private *tp) |
| { |
| struct phy_device *phydev = tp->phydev; |
| int ret; |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_34: |
| case RTL_GIGA_MAC_VER_35: |
| case RTL_GIGA_MAC_VER_36: |
| case RTL_GIGA_MAC_VER_38: |
| ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE); |
| break; |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: |
| phy_write(phydev, 0x1f, 0x0a5c); |
| ret = phy_read(phydev, 0x12); |
| phy_write(phydev, 0x1f, 0x0000); |
| break; |
| default: |
| ret = -EPROTONOSUPPORT; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static int rtl_get_eee_lpadv(struct rtl8169_private *tp) |
| { |
| struct phy_device *phydev = tp->phydev; |
| int ret; |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_34: |
| case RTL_GIGA_MAC_VER_35: |
| case RTL_GIGA_MAC_VER_36: |
| case RTL_GIGA_MAC_VER_38: |
| ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE); |
| break; |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: |
| phy_write(phydev, 0x1f, 0x0a5d); |
| ret = phy_read(phydev, 0x11); |
| phy_write(phydev, 0x1f, 0x0000); |
| break; |
| default: |
| ret = -EPROTONOSUPPORT; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static int rtl_get_eee_adv(struct rtl8169_private *tp) |
| { |
| struct phy_device *phydev = tp->phydev; |
| int ret; |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_34: |
| case RTL_GIGA_MAC_VER_35: |
| case RTL_GIGA_MAC_VER_36: |
| case RTL_GIGA_MAC_VER_38: |
| ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV); |
| break; |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: |
| phy_write(phydev, 0x1f, 0x0a5d); |
| ret = phy_read(phydev, 0x10); |
| phy_write(phydev, 0x1f, 0x0000); |
| break; |
| default: |
| ret = -EPROTONOSUPPORT; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static int rtl_set_eee_adv(struct rtl8169_private *tp, int val) |
| { |
| struct phy_device *phydev = tp->phydev; |
| int ret = 0; |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_34: |
| case RTL_GIGA_MAC_VER_35: |
| case RTL_GIGA_MAC_VER_36: |
| case RTL_GIGA_MAC_VER_38: |
| ret = phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val); |
| break; |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: |
| phy_write(phydev, 0x1f, 0x0a5d); |
| phy_write(phydev, 0x10, val); |
| phy_write(phydev, 0x1f, 0x0000); |
| break; |
| default: |
| ret = -EPROTONOSUPPORT; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static int rtl8169_get_eee(struct net_device *dev, struct ethtool_eee *data) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| struct device *d = tp_to_dev(tp); |
| int ret; |
| |
| pm_runtime_get_noresume(d); |
| |
| if (!pm_runtime_active(d)) { |
| ret = -EOPNOTSUPP; |
| goto out; |
| } |
| |
| /* Get Supported EEE */ |
| ret = rtl_get_eee_supp(tp); |
| if (ret < 0) |
| goto out; |
| data->supported = mmd_eee_cap_to_ethtool_sup_t(ret); |
| |
| /* Get advertisement EEE */ |
| ret = rtl_get_eee_adv(tp); |
| if (ret < 0) |
| goto out; |
| data->advertised = mmd_eee_adv_to_ethtool_adv_t(ret); |
| data->eee_enabled = !!data->advertised; |
| |
| /* Get LP advertisement EEE */ |
| ret = rtl_get_eee_lpadv(tp); |
| if (ret < 0) |
| goto out; |
| data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(ret); |
| data->eee_active = !!(data->advertised & data->lp_advertised); |
| out: |
| pm_runtime_put_noidle(d); |
| return ret < 0 ? ret : 0; |
| } |
| |
| static int rtl8169_set_eee(struct net_device *dev, struct ethtool_eee *data) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| struct device *d = tp_to_dev(tp); |
| int old_adv, adv = 0, cap, ret; |
| |
| pm_runtime_get_noresume(d); |
| |
| if (!dev->phydev || !pm_runtime_active(d)) { |
| ret = -EOPNOTSUPP; |
| goto out; |
| } |
| |
| if (dev->phydev->autoneg == AUTONEG_DISABLE || |
| dev->phydev->duplex != DUPLEX_FULL) { |
| ret = -EPROTONOSUPPORT; |
| goto out; |
| } |
| |
| /* Get Supported EEE */ |
| ret = rtl_get_eee_supp(tp); |
| if (ret < 0) |
| goto out; |
| cap = ret; |
| |
| ret = rtl_get_eee_adv(tp); |
| if (ret < 0) |
| goto out; |
| old_adv = ret; |
| |
| if (data->eee_enabled) { |
| adv = !data->advertised ? cap : |
| ethtool_adv_to_mmd_eee_adv_t(data->advertised) & cap; |
| /* Mask prohibited EEE modes */ |
| adv &= ~dev->phydev->eee_broken_modes; |
| } |
| |
| if (old_adv != adv) { |
| ret = rtl_set_eee_adv(tp, adv); |
| if (ret < 0) |
| goto out; |
| |
| /* Restart autonegotiation so the new modes get sent to the |
| * link partner. |
| */ |
| ret = phy_restart_aneg(dev->phydev); |
| } |
| |
| out: |
| pm_runtime_put_noidle(d); |
| return ret < 0 ? ret : 0; |
| } |
| |
| 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_coalesce = rtl_get_coalesce, |
| .set_coalesce = rtl_set_coalesce, |
| .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, |
| .get_ts_info = ethtool_op_get_ts_info, |
| .nway_reset = phy_ethtool_nway_reset, |
| .get_eee = rtl8169_get_eee, |
| .set_eee = rtl8169_set_eee, |
| .get_link_ksettings = phy_ethtool_get_link_ksettings, |
| .set_link_ksettings = phy_ethtool_set_link_ksettings, |
| }; |
| |
| static void rtl_enable_eee(struct rtl8169_private *tp) |
| { |
| int supported = rtl_get_eee_supp(tp); |
| |
| if (supported > 0) |
| rtl_set_eee_adv(tp, supported); |
| } |
| |
| static void rtl8169_get_mac_version(struct rtl8169_private *tp) |
| { |
| /* |
| * 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(tp, TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be |
| * |
| * Same thing for the 8101Eb and the 8101Ec: |
| * |
| * (RTL_R32(tp, TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec |
| */ |
| static const struct rtl_mac_info { |
| u16 mask; |
| u16 val; |
| u16 mac_version; |
| } mac_info[] = { |
| /* 8168EP family. */ |
| { 0x7cf, 0x502, RTL_GIGA_MAC_VER_51 }, |
| { 0x7cf, 0x501, RTL_GIGA_MAC_VER_50 }, |
| { 0x7cf, 0x500, RTL_GIGA_MAC_VER_49 }, |
| |
| /* 8168H family. */ |
| { 0x7cf, 0x541, RTL_GIGA_MAC_VER_46 }, |
| { 0x7cf, 0x540, RTL_GIGA_MAC_VER_45 }, |
| |
| /* 8168G family. */ |
| { 0x7cf, 0x5c8, RTL_GIGA_MAC_VER_44 }, |
| { 0x7cf, 0x509, RTL_GIGA_MAC_VER_42 }, |
| { 0x7cf, 0x4c1, RTL_GIGA_MAC_VER_41 }, |
| { 0x7cf, 0x4c0, RTL_GIGA_MAC_VER_40 }, |
| |
| /* 8168F family. */ |
| { 0x7c8, 0x488, RTL_GIGA_MAC_VER_38 }, |
| { 0x7cf, 0x481, RTL_GIGA_MAC_VER_36 }, |
| { 0x7cf, 0x480, RTL_GIGA_MAC_VER_35 }, |
| |
| /* 8168E family. */ |
| { 0x7c8, 0x2c8, RTL_GIGA_MAC_VER_34 }, |
| { 0x7cf, 0x2c1, RTL_GIGA_MAC_VER_32 }, |
| { 0x7c8, 0x2c0, RTL_GIGA_MAC_VER_33 }, |
| |
| /* 8168D family. */ |
| { 0x7cf, 0x281, RTL_GIGA_MAC_VER_25 }, |
| { 0x7c8, 0x280, RTL_GIGA_MAC_VER_26 }, |
| |
| /* 8168DP family. */ |
| { 0x7cf, 0x288, RTL_GIGA_MAC_VER_27 }, |
| { 0x7cf, 0x28a, RTL_GIGA_MAC_VER_28 }, |
| { 0x7cf, 0x28b, RTL_GIGA_MAC_VER_31 }, |
| |
| /* 8168C family. */ |
| { 0x7cf, 0x3c9, RTL_GIGA_MAC_VER_23 }, |
| { 0x7cf, 0x3c8, RTL_GIGA_MAC_VER_18 }, |
| { 0x7c8, 0x3c8, RTL_GIGA_MAC_VER_24 }, |
| { 0x7cf, 0x3c0, RTL_GIGA_MAC_VER_19 }, |
| { 0x7cf, 0x3c2, RTL_GIGA_MAC_VER_20 }, |
| { 0x7cf, 0x3c3, RTL_GIGA_MAC_VER_21 }, |
| { 0x7c8, 0x3c0, RTL_GIGA_MAC_VER_22 }, |
| |
| /* 8168B family. */ |
| { 0x7cf, 0x380, RTL_GIGA_MAC_VER_12 }, |
| { 0x7c8, 0x380, RTL_GIGA_MAC_VER_17 }, |
| { 0x7c8, 0x300, RTL_GIGA_MAC_VER_11 }, |
| |
| /* 8101 family. */ |
| { 0x7c8, 0x448, RTL_GIGA_MAC_VER_39 }, |
| { 0x7c8, 0x440, RTL_GIGA_MAC_VER_37 }, |
| { 0x7cf, 0x409, RTL_GIGA_MAC_VER_29 }, |
| { 0x7c8, 0x408, RTL_GIGA_MAC_VER_30 }, |
| { 0x7cf, 0x349, RTL_GIGA_MAC_VER_08 }, |
| { 0x7cf, 0x249, RTL_GIGA_MAC_VER_08 }, |
| { 0x7cf, 0x348, RTL_GIGA_MAC_VER_07 }, |
| { 0x7cf, 0x248, RTL_GIGA_MAC_VER_07 }, |
| { 0x7cf, 0x340, RTL_GIGA_MAC_VER_13 }, |
| { 0x7cf, 0x343, RTL_GIGA_MAC_VER_10 }, |
| { 0x7cf, 0x342, RTL_GIGA_MAC_VER_16 }, |
| { 0x7c8, 0x348, RTL_GIGA_MAC_VER_09 }, |
| { 0x7c8, 0x248, RTL_GIGA_MAC_VER_09 }, |
| { 0x7c8, 0x340, RTL_GIGA_MAC_VER_16 }, |
| /* FIXME: where did these entries come from ? -- FR */ |
| { 0xfc8, 0x388, RTL_GIGA_MAC_VER_15 }, |
| { 0xfc8, 0x308, RTL_GIGA_MAC_VER_14 }, |
| |
| /* 8110 family. */ |
| { 0xfc8, 0x980, RTL_GIGA_MAC_VER_06 }, |
| { 0xfc8, 0x180, RTL_GIGA_MAC_VER_05 }, |
| { 0xfc8, 0x100, RTL_GIGA_MAC_VER_04 }, |
| { 0xfc8, 0x040, RTL_GIGA_MAC_VER_03 }, |
| { 0xfc8, 0x008, RTL_GIGA_MAC_VER_02 }, |
| { 0xfc8, 0x000, RTL_GIGA_MAC_VER_01 }, |
| |
| /* Catch-all */ |
| { 0x000, 0x000, RTL_GIGA_MAC_NONE } |
| }; |
| const struct rtl_mac_info *p = mac_info; |
| u16 reg = RTL_R32(tp, TxConfig) >> 20; |
| |
| while ((reg & p->mask) != p->val) |
| p++; |
| tp->mac_version = p->mac_version; |
| |
| if (tp->mac_version == RTL_GIGA_MAC_NONE) { |
| dev_err(tp_to_dev(tp), "unknown chip XID %03x\n", reg & 0xfcf); |
| } else if (!tp->supports_gmii) { |
| if (tp->mac_version == RTL_GIGA_MAC_VER_42) |
| tp->mac_version = RTL_GIGA_MAC_VER_43; |
| else if (tp->mac_version == RTL_GIGA_MAC_VER_45) |
| tp->mac_version = RTL_GIGA_MAC_VER_47; |
| else if (tp->mac_version == RTL_GIGA_MAC_VER_46) |
| tp->mac_version = RTL_GIGA_MAC_VER_48; |
| } |
| } |
| |
| 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 rtl_writephy_batch(tp, a) __rtl_writephy_batch(tp, a, ARRAY_SIZE(a)) |
| |
| #define PHY_READ 0x00000000 |
| #define PHY_DATA_OR 0x10000000 |
| #define PHY_DATA_AND 0x20000000 |
| #define PHY_BJMPN 0x30000000 |
| #define PHY_MDIO_CHG 0x40000000 |
| #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 |
| |
| 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, tp->fw_name, 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_MDIO_CHG: |
| 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; |
| |
| 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 firmware\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; |
| struct mdio_ops org, *ops = &tp->mdio_ops; |
| u32 predata, count; |
| size_t index; |
| |
| predata = count = 0; |
| org.write = ops->write; |
| org.read = ops->read; |
| |
| 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_MDIO_CHG: |
| if (data == 0) { |
| ops->write = org.write; |
| ops->read = org.read; |
| } else if (data == 1) { |
| ops->write = mac_mcu_write; |
| ops->read = mac_mcu_read; |
| } |
| |
| 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; |
| |
| default: |
| BUG(); |
| } |
| } |
| |
| ops->write = org.write; |
| ops->read = org.read; |
| } |
| |
| static void rtl_release_firmware(struct rtl8169_private *tp) |
| { |
| if (tp->rtl_fw) { |
| release_firmware(tp->rtl_fw->fw); |
| kfree(tp->rtl_fw); |
| tp->rtl_fw = NULL; |
| } |
| } |
| |
| static void rtl_apply_firmware(struct rtl8169_private *tp) |
| { |
| /* TODO: release firmware once rtl_phy_write_fw signals failures. */ |
| if (tp->rtl_fw) |
| rtl_phy_write_fw(tp, 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 rtl8168_config_eee_mac(struct rtl8169_private *tp) |
| { |
| /* Adjust EEE LED frequency */ |
| if (tp->mac_version != RTL_GIGA_MAC_VER_38) |
| RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); |
| |
| rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_1111, 0x0003); |
| } |
| |
| static void rtl8168f_config_eee_phy(struct rtl8169_private *tp) |
| { |
| struct phy_device *phydev = tp->phydev; |
| |
| phy_write(phydev, 0x1f, 0x0007); |
| phy_write(phydev, 0x1e, 0x0020); |
| phy_set_bits(phydev, 0x15, BIT(8)); |
| |
| phy_write(phydev, 0x1f, 0x0005); |
| phy_write(phydev, 0x05, 0x8b85); |
| phy_set_bits(phydev, 0x06, BIT(13)); |
| |
| phy_write(phydev, 0x1f, 0x0000); |
| } |
| |
| static void rtl8168g_config_eee_phy(struct rtl8169_private *tp) |
| { |
| phy_write(tp->phydev, 0x1f, 0x0a43); |
| phy_set_bits(tp->phydev, 0x11, BIT(4)); |
| phy_write(tp->phydev, 0x1f, 0x0000); |
| } |
| |
| 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); |
| } |
| |
| 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); |
| } |
| |
| 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); |
| |
| 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); |
| } |
| |
| 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); |
| } |
| |
| 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); |
| } |
| |
| 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); |
| } |
| |
| 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); |
| } |
| |
| 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); |
| |
| 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); |
| |
| 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); |
| |
| 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 }, |
| |
| /* |
|