| /* |
| * 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/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) |
| 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, |
| |
| /* 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 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; |
| }; |
| |
| 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++) { |
| delay(d); |
| if (c->check(tp) == high) |
| return true; |
| } |
| 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 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 void rtl_w0w1_eri(struct rtl8169_private *tp, int addr, u32 mask, u32 p, |
| u32 m, int type) |
| { |
| u32 val; |
| |
| val = rtl_eri_read(tp, addr, type); |
| rtl_eri_write(tp, addr, mask, (val & ~m) | p, type); |
| } |
| |
| 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, ERIAR_EXGMAC); |
| |
| 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; |
| } |
| } |
| |
| struct exgmac_reg { |
| u16 addr; |
| u16 mask; |
| u32 val; |
| }; |
| |
| static void rtl_write_exgmac_batch(struct rtl8169_private *tp, |
| const struct exgmac_reg *r, int len) |
| { |
| while (len-- > 0) { |
| rtl_eri_write(tp, r->addr, r->mask, r->val, ERIAR_EXGMAC); |
| r++; |
| } |
| } |
| |
| 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); |
| } |
| |
| #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) |
| { |
| 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, |
| ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005, |
| ERIAR_EXGMAC); |
| } else if (phydev->speed == SPEED_100) { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f, |
| ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005, |
| ERIAR_EXGMAC); |
| } else { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f, |
| ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f, |
| ERIAR_EXGMAC); |
| } |
| /* Reset packet filter */ |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, |
| ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, |
| ERIAR_EXGMAC); |
| } 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, |
| ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005, |
| ERIAR_EXGMAC); |
| } else { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f, |
| ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f, |
| ERIAR_EXGMAC); |
| } |
| } else if (tp->mac_version == RTL_GIGA_MAC_VER_37) { |
| if (phydev->speed == SPEED_10) { |
| rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x4d02, |
| ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_0011, 0x0060, |
| ERIAR_EXGMAC); |
| } else { |
| rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000, |
| ERIAR_EXGMAC); |
| } |
| } |
| } |
| |
| #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_w0w1_eri(tp, |
| 0x0dc, |
| ERIAR_MASK_0100, |
| MagicPacket_v2, |
| 0x0000, |
| ERIAR_EXGMAC); |
| else |
| rtl_w0w1_eri(tp, |
| 0x0dc, |
| ERIAR_MASK_0100, |
| 0x0000, |
| MagicPacket_v2, |
| ERIAR_EXGMAC); |
| 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 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) |
| { |
| rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_1111, 0x0003, 0x0000, ERIAR_EXGMAC); |
| } |
| |
| 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, 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 } |
| }; |
| |
| 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_w0w1_phy(tp, 0x0b, 0x0010, 0x00ef); |
| rtl_w0w1_phy(tp, 0x0c, 0xa200, 0x5d00); |
| |
| if (rtl8168d_efuse_read(tp, 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_w0w1_phy(tp, 0x02, 0x0100, 0x0600); |
| rtl_w0w1_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 } |
| }; |
| |
| rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); |
| |
| if (rtl8168d_efuse_read(tp, 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_w0w1_phy(tp, 0x02, 0x0100, 0x0600); |
| rtl_w0w1_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_w0w1_phy(tp, 0x17, 0x0006, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* For impedance matching */ |
| rtl_writephy(tp, 0x1f, 0x0002); |
| rtl_w0w1_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_w0w1_phy(tp, 0x18, 0x0050, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); |
| |
| rtl_writephy(tp, 0x1f, 0x0005); |
| rtl_writephy(tp, 0x05, 0x8b86); |
| rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| rtl_writephy(tp, 0x1f, 0x0005); |
| rtl_writephy(tp, 0x05, 0x8b85); |
| rtl_w0w1_phy(tp, 0x06, 0x0000, 0x2000); |
| rtl_writephy(tp, 0x1f, 0x0007); |
| rtl_writephy(tp, 0x1e, 0x0020); |
| rtl_w0w1_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 rtl_rar_exgmac_set(struct rtl8169_private *tp, u8 *addr) |
| { |
| const u16 w[] = { |
| addr[0] | (addr[1] << 8), |
| addr[2] | (addr[3] << 8), |
| addr[4] | (addr[5] << 8) |
| }; |
| const struct exgmac_reg e[] = { |
| { .addr = 0xe0, ERIAR_MASK_1111, .val = w[0] | (w[1] << 16) }, |
| { .addr = 0xe4, ERIAR_MASK_1111, .val = w[2] }, |
| { .addr = 0xf0, ERIAR_MASK_1111, .val = w[0] << 16 }, |
| { .addr = 0xf4, ERIAR_MASK_1111, .val = w[1] | (w[2] << 16) } |
| }; |
| |
| rtl_write_exgmac_batch(tp, e, ARRAY_SIZE(e)); |
| } |
| |
| 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_w0w1_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_w0w1_phy(tp, 0x18, 0x0010, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0002); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); |
| |
| /* improve 10M EEE waveform */ |
| rtl_writephy(tp, 0x1f, 0x0005); |
| rtl_writephy(tp, 0x05, 0x8b86); |
| rtl_w0w1_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_w0w1_phy(tp, 0x06, 0x4000, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| rtl8168f_config_eee_phy(tp); |
| rtl_enable_eee(tp); |
| |
| /* Green feature */ |
| rtl_writephy(tp, 0x1f, 0x0003); |
| rtl_w0w1_phy(tp, 0x19, 0x0001, 0x0000); |
| rtl_w0w1_phy(tp, 0x10, 0x0400, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0005); |
| rtl_w0w1_phy(tp, 0x01, 0x0100, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* Broken BIOS workaround: feed GigaMAC registers with MAC address. */ |
| rtl_rar_exgmac_set(tp, tp->dev->dev_addr); |
| } |
| |
| static void rtl8168f_hw_phy_config(struct rtl8169_private *tp) |
| { |
| /* For 4-corner performance improve */ |
| rtl_writephy(tp, 0x1f, 0x0005); |
| rtl_writephy(tp, 0x05, 0x8b80); |
| rtl_w0w1_phy(tp, 0x06, 0x0006, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* PHY auto speed down */ |
| rtl_writephy(tp, 0x1f, 0x0007); |
| rtl_writephy(tp, 0x1e, 0x002d); |
| rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); |
| |
| /* Improve 10M EEE waveform */ |
| rtl_writephy(tp, 0x1f, 0x0005); |
| rtl_writephy(tp, 0x05, 0x8b86); |
| rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| rtl8168f_config_eee_phy(tp); |
| rtl_enable_eee(tp); |
| } |
| |
| static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp) |
| { |
| static const struct phy_reg phy_reg_init[] = { |
| /* Channel estimation fine tune */ |
| { 0x1f, 0x0003 }, |
| { 0x09, 0xa20f }, |
| { 0x1f, 0x0000 }, |
| |
| /* Modify green table for giga & fnet */ |
| { 0x1f, 0x0005 }, |
| { 0x05, 0x8b55 }, |
| { 0x06, 0x0000 }, |
| { 0x05, 0x8b5e }, |
| { 0x06, 0x0000 }, |
| { 0x05, 0x8b67 }, |
| { 0x06, 0x0000 }, |
| { 0x05, 0x8b70 }, |
| { 0x06, 0x0000 }, |
| { 0x1f, 0x0000 }, |
| { 0x1f, 0x0007 }, |
| { 0x1e, 0x0078 }, |
| { 0x17, 0x0000 }, |
| { 0x19, 0x00fb }, |
| { 0x1f, 0x0000 }, |
| |
| /* Modify green table for 10M */ |
| { 0x1f, 0x0005 }, |
| { 0x05, 0x8b79 }, |
| { 0x06, 0xaa00 }, |
| { 0x1f, 0x0000 }, |
| |
| /* Disable hiimpedance detection (RTCT) */ |
| { 0x1f, 0x0003 }, |
| { 0x01, 0x328a }, |
| { 0x1f, 0x0000 } |
| }; |
| |
| rtl_apply_firmware(tp); |
| |
| rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
| |
| rtl8168f_hw_phy_config(tp); |
| |
| /* Improve 2-pair detection performance */ |
| rtl_writephy(tp, 0x1f, 0x0005); |
| rtl_writephy(tp, 0x05, 0x8b85); |
| rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| } |
| |
| static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp) |
| { |
| rtl_apply_firmware(tp); |
| |
| rtl8168f_hw_phy_config(tp); |
| } |
| |
| static void rtl8411_hw_phy_config(struct rtl8169_private *tp) |
| { |
| static const struct phy_reg phy_reg_init[] = { |
| /* Channel estimation fine tune */ |
| { 0x1f, 0x0003 }, |
| { 0x09, 0xa20f }, |
| { 0x1f, 0x0000 }, |
| |
| /* Modify green table for giga & fnet */ |
| { 0x1f, 0x0005 }, |
| { 0x05, 0x8b55 }, |
| { 0x06, 0x0000 }, |
| { 0x05, 0x8b5e }, |
| { 0x06, 0x0000 }, |
| { 0x05, 0x8b67 }, |
| { 0x06, 0x0000 }, |
| { 0x05, 0x8b70 }, |
| { 0x06, 0x0000 }, |
| { 0x1f, 0x0000 }, |
| { 0x1f, 0x0007 }, |
| { 0x1e, 0x0078 }, |
| { 0x17, 0x0000 }, |
| { 0x19, 0x00aa }, |
| { 0x1f, 0x0000 }, |
| |
| /* Modify green table for 10M */ |
| { 0x1f, 0x0005 }, |
| { 0x05, 0x8b79 }, |
| { 0x06, 0xaa00 }, |
| { 0x1f, 0x0000 }, |
| |
| /* Disable hiimpedance detection (RTCT) */ |
| { 0x1f, 0x0003 }, |
| { 0x01, 0x328a }, |
| { 0x1f, 0x0000 } |
| }; |
| |
| |
| rtl_apply_firmware(tp); |
| |
| rtl8168f_hw_phy_config(tp); |
| |
| /* Improve 2-pair detection performance */ |
| rtl_writephy(tp, 0x1f, 0x0005); |
| rtl_writephy(tp, 0x05, 0x8b85); |
| rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
| |
| /* Modify green table for giga */ |
| rtl_writephy(tp, 0x1f, 0x0005); |
| rtl_writephy(tp, 0x05, 0x8b54); |
| rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800); |
| rtl_writephy(tp, 0x05, 0x8b5d); |
| rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800); |
| rtl_writephy(tp, 0x05, 0x8a7c); |
| rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100); |
| rtl_writephy(tp, 0x05, 0x8a7f); |
| rtl_w0w1_phy(tp, 0x06, 0x0100, 0x0000); |
| rtl_writephy(tp, 0x05, 0x8a82); |
| rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100); |
| rtl_writephy(tp, 0x05, 0x8a85); |
| rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100); |
| rtl_writephy(tp, 0x05, 0x8a88); |
| rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* uc same-seed solution */ |
| rtl_writephy(tp, 0x1f, 0x0005); |
| rtl_writephy(tp, 0x05, 0x8b85); |
| rtl_w0w1_phy(tp, 0x06, 0x8000, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* Green feature */ |
| rtl_writephy(tp, 0x1f, 0x0003); |
| rtl_w0w1_phy(tp, 0x19, 0x0000, 0x0001); |
| rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0400); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| } |
| |
| static void rtl8168g_disable_aldps(struct rtl8169_private *tp) |
| { |
| phy_write(tp->phydev, 0x1f, 0x0a43); |
| phy_clear_bits(tp->phydev, 0x10, BIT(2)); |
| } |
| |
| static void rtl8168g_phy_adjust_10m_aldps(struct rtl8169_private *tp) |
| { |
| struct phy_device *phydev = tp->phydev; |
| |
| phy_write(phydev, 0x1f, 0x0bcc); |
| phy_clear_bits(phydev, 0x14, BIT(8)); |
| |
| phy_write(phydev, 0x1f, 0x0a44); |
| phy_set_bits(phydev, 0x11, BIT(7) | BIT(6)); |
| |
| phy_write(phydev, 0x1f, 0x0a43); |
| phy_write(phydev, 0x13, 0x8084); |
| phy_clear_bits(phydev, 0x14, BIT(14) | BIT(13)); |
| phy_set_bits(phydev, 0x10, BIT(12) | BIT(1) | BIT(0)); |
| |
| phy_write(phydev, 0x1f, 0x0000); |
| } |
| |
| static void rtl8168g_1_hw_phy_config(struct rtl8169_private *tp) |
| { |
| rtl_apply_firmware(tp); |
| |
| rtl_writephy(tp, 0x1f, 0x0a46); |
| if (rtl_readphy(tp, 0x10) & 0x0100) { |
| rtl_writephy(tp, 0x1f, 0x0bcc); |
| rtl_w0w1_phy(tp, 0x12, 0x0000, 0x8000); |
| } else { |
| rtl_writephy(tp, 0x1f, 0x0bcc); |
| rtl_w0w1_phy(tp, 0x12, 0x8000, 0x0000); |
| } |
| |
| rtl_writephy(tp, 0x1f, 0x0a46); |
| if (rtl_readphy(tp, 0x13) & 0x0100) { |
| rtl_writephy(tp, 0x1f, 0x0c41); |
| rtl_w0w1_phy(tp, 0x15, 0x0002, 0x0000); |
| } else { |
| rtl_writephy(tp, 0x1f, 0x0c41); |
| rtl_w0w1_phy(tp, 0x15, 0x0000, 0x0002); |
| } |
| |
| /* Enable PHY auto speed down */ |
| rtl_writephy(tp, 0x1f, 0x0a44); |
| rtl_w0w1_phy(tp, 0x11, 0x000c, 0x0000); |
| |
| rtl8168g_phy_adjust_10m_aldps(tp); |
| |
| /* EEE auto-fallback function */ |
| rtl_writephy(tp, 0x1f, 0x0a4b); |
| rtl_w0w1_phy(tp, 0x11, 0x0004, 0x0000); |
| |
| /* Enable UC LPF tune function */ |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x8012); |
| rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); |
| |
| rtl_writephy(tp, 0x1f, 0x0c42); |
| rtl_w0w1_phy(tp, 0x11, 0x4000, 0x2000); |
| |
| /* Improve SWR Efficiency */ |
| rtl_writephy(tp, 0x1f, 0x0bcd); |
| rtl_writephy(tp, 0x14, 0x5065); |
| rtl_writephy(tp, 0x14, 0xd065); |
| rtl_writephy(tp, 0x1f, 0x0bc8); |
| rtl_writephy(tp, 0x11, 0x5655); |
| rtl_writephy(tp, 0x1f, 0x0bcd); |
| rtl_writephy(tp, 0x14, 0x1065); |
| rtl_writephy(tp, 0x14, 0x9065); |
| rtl_writephy(tp, 0x14, 0x1065); |
| |
| rtl8168g_disable_aldps(tp); |
| rtl8168g_config_eee_phy(tp); |
| rtl_enable_eee(tp); |
| } |
| |
| static void rtl8168g_2_hw_phy_config(struct rtl8169_private *tp) |
| { |
| rtl_apply_firmware(tp); |
| rtl8168g_config_eee_phy(tp); |
| rtl_enable_eee(tp); |
| } |
| |
| static void rtl8168h_1_hw_phy_config(struct rtl8169_private *tp) |
| { |
| u16 dout_tapbin; |
| u32 data; |
| |
| rtl_apply_firmware(tp); |
| |
| /* CHN EST parameters adjust - giga master */ |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x809b); |
| rtl_w0w1_phy(tp, 0x14, 0x8000, 0xf800); |
| rtl_writephy(tp, 0x13, 0x80a2); |
| rtl_w0w1_phy(tp, 0x14, 0x8000, 0xff00); |
| rtl_writephy(tp, 0x13, 0x80a4); |
| rtl_w0w1_phy(tp, 0x14, 0x8500, 0xff00); |
| rtl_writephy(tp, 0x13, 0x809c); |
| rtl_w0w1_phy(tp, 0x14, 0xbd00, 0xff00); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* CHN EST parameters adjust - giga slave */ |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x80ad); |
| rtl_w0w1_phy(tp, 0x14, 0x7000, 0xf800); |
| rtl_writephy(tp, 0x13, 0x80b4); |
| rtl_w0w1_phy(tp, 0x14, 0x5000, 0xff00); |
| rtl_writephy(tp, 0x13, 0x80ac); |
| rtl_w0w1_phy(tp, 0x14, 0x4000, 0xff00); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* CHN EST parameters adjust - fnet */ |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x808e); |
| rtl_w0w1_phy(tp, 0x14, 0x1200, 0xff00); |
| rtl_writephy(tp, 0x13, 0x8090); |
| rtl_w0w1_phy(tp, 0x14, 0xe500, 0xff00); |
| rtl_writephy(tp, 0x13, 0x8092); |
| rtl_w0w1_phy(tp, 0x14, 0x9f00, 0xff00); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* enable R-tune & PGA-retune function */ |
| dout_tapbin = 0; |
| rtl_writephy(tp, 0x1f, 0x0a46); |
| data = rtl_readphy(tp, 0x13); |
| data &= 3; |
| data <<= 2; |
| dout_tapbin |= data; |
| data = rtl_readphy(tp, 0x12); |
| data &= 0xc000; |
| data >>= 14; |
| dout_tapbin |= data; |
| dout_tapbin = ~(dout_tapbin^0x08); |
| dout_tapbin <<= 12; |
| dout_tapbin &= 0xf000; |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x827a); |
| rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000); |
| rtl_writephy(tp, 0x13, 0x827b); |
| rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000); |
| rtl_writephy(tp, 0x13, 0x827c); |
| rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000); |
| rtl_writephy(tp, 0x13, 0x827d); |
| rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000); |
| |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x0811); |
| rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0a42); |
| rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* enable GPHY 10M */ |
| rtl_writephy(tp, 0x1f, 0x0a44); |
| rtl_w0w1_phy(tp, 0x11, 0x0800, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* SAR ADC performance */ |
| rtl_writephy(tp, 0x1f, 0x0bca); |
| rtl_w0w1_phy(tp, 0x17, 0x4000, 0x3000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x803f); |
| rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); |
| rtl_writephy(tp, 0x13, 0x8047); |
| rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); |
| rtl_writephy(tp, 0x13, 0x804f); |
| rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); |
| rtl_writephy(tp, 0x13, 0x8057); |
| rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); |
| rtl_writephy(tp, 0x13, 0x805f); |
| rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); |
| rtl_writephy(tp, 0x13, 0x8067); |
| rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); |
| rtl_writephy(tp, 0x13, 0x806f); |
| rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* disable phy pfm mode */ |
| rtl_writephy(tp, 0x1f, 0x0a44); |
| rtl_w0w1_phy(tp, 0x11, 0x0000, 0x0080); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| rtl8168g_disable_aldps(tp); |
| rtl8168g_config_eee_phy(tp); |
| rtl_enable_eee(tp); |
| } |
| |
| static void rtl8168h_2_hw_phy_config(struct rtl8169_private *tp) |
| { |
| u16 ioffset_p3, ioffset_p2, ioffset_p1, ioffset_p0; |
| u16 rlen; |
| u32 data; |
| |
| rtl_apply_firmware(tp); |
| |
| /* CHIN EST parameter update */ |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x808a); |
| rtl_w0w1_phy(tp, 0x14, 0x000a, 0x003f); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* enable R-tune & PGA-retune function */ |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x0811); |
| rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0a42); |
| rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* enable GPHY 10M */ |
| rtl_writephy(tp, 0x1f, 0x0a44); |
| rtl_w0w1_phy(tp, 0x11, 0x0800, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| r8168_mac_ocp_write(tp, 0xdd02, 0x807d); |
| data = r8168_mac_ocp_read(tp, 0xdd02); |
| ioffset_p3 = ((data & 0x80)>>7); |
| ioffset_p3 <<= 3; |
| |
| data = r8168_mac_ocp_read(tp, 0xdd00); |
| ioffset_p3 |= ((data & (0xe000))>>13); |
| ioffset_p2 = ((data & (0x1e00))>>9); |
| ioffset_p1 = ((data & (0x01e0))>>5); |
| ioffset_p0 = ((data & 0x0010)>>4); |
| ioffset_p0 <<= 3; |
| ioffset_p0 |= (data & (0x07)); |
| data = (ioffset_p3<<12)|(ioffset_p2<<8)|(ioffset_p1<<4)|(ioffset_p0); |
| |
| if ((ioffset_p3 != 0x0f) || (ioffset_p2 != 0x0f) || |
| (ioffset_p1 != 0x0f) || (ioffset_p0 != 0x0f)) { |
| rtl_writephy(tp, 0x1f, 0x0bcf); |
| rtl_writephy(tp, 0x16, data); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| } |
| |
| /* Modify rlen (TX LPF corner frequency) level */ |
| rtl_writephy(tp, 0x1f, 0x0bcd); |
| data = rtl_readphy(tp, 0x16); |
| data &= 0x000f; |
| rlen = 0; |
| if (data > 3) |
| rlen = data - 3; |
| data = rlen | (rlen<<4) | (rlen<<8) | (rlen<<12); |
| rtl_writephy(tp, 0x17, data); |
| rtl_writephy(tp, 0x1f, 0x0bcd); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* disable phy pfm mode */ |
| rtl_writephy(tp, 0x1f, 0x0a44); |
| rtl_w0w1_phy(tp, 0x11, 0x0000, 0x0080); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| rtl8168g_disable_aldps(tp); |
| rtl8168g_config_eee_phy(tp); |
| rtl_enable_eee(tp); |
| } |
| |
| static void rtl8168ep_1_hw_phy_config(struct rtl8169_private *tp) |
| { |
| /* Enable PHY auto speed down */ |
| rtl_writephy(tp, 0x1f, 0x0a44); |
| rtl_w0w1_phy(tp, 0x11, 0x000c, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| rtl8168g_phy_adjust_10m_aldps(tp); |
| |
| /* Enable EEE auto-fallback function */ |
| rtl_writephy(tp, 0x1f, 0x0a4b); |
| rtl_w0w1_phy(tp, 0x11, 0x0004, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* Enable UC LPF tune function */ |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x8012); |
| rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* set rg_sel_sdm_rate */ |
| rtl_writephy(tp, 0x1f, 0x0c42); |
| rtl_w0w1_phy(tp, 0x11, 0x4000, 0x2000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| rtl8168g_disable_aldps(tp); |
| rtl8168g_config_eee_phy(tp); |
| rtl_enable_eee(tp); |
| } |
| |
| static void rtl8168ep_2_hw_phy_config(struct rtl8169_private *tp) |
| { |
| rtl8168g_phy_adjust_10m_aldps(tp); |
| |
| /* Enable UC LPF tune function */ |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x8012); |
| rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* Set rg_sel_sdm_rate */ |
| rtl_writephy(tp, 0x1f, 0x0c42); |
| rtl_w0w1_phy(tp, 0x11, 0x4000, 0x2000); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| /* Channel estimation parameters */ |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x80f3); |
| rtl_w0w1_phy(tp, 0x14, 0x8b00, ~0x8bff); |
| rtl_writephy(tp, 0x13, 0x80f0); |
| rtl_w0w1_phy(tp, 0x14, 0x3a00, ~0x3aff); |
| rtl_writephy(tp, 0x13, 0x80ef); |
| rtl_w0w1_phy(tp, 0x14, 0x0500, ~0x05ff); |
| rtl_writephy(tp, 0x13, 0x80f6); |
| rtl_w0w1_phy(tp, 0x14, 0x6e00, ~0x6eff); |
| rtl_writephy(tp, 0x13, 0x80ec); |
| rtl_w0w1_phy(tp, 0x14, 0x6800, ~0x68ff); |
| rtl_writephy(tp, 0x13, 0x80ed); |
| rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff); |
| rtl_writephy(tp, 0x13, 0x80f2); |
| rtl_w0w1_phy(tp, 0x14, 0xf400, ~0xf4ff); |
| rtl_writephy(tp, 0x13, 0x80f4); |
| rtl_w0w1_phy(tp, 0x14, 0x8500, ~0x85ff); |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x8110); |
| rtl_w0w1_phy(tp, 0x14, 0xa800, ~0xa8ff); |
| rtl_writephy(tp, 0x13, 0x810f); |
| rtl_w0w1_phy(tp, 0x14, 0x1d00, ~0x1dff); |
| rtl_writephy(tp, 0x13, 0x8111); |
| rtl_w0w1_phy(tp, 0x14, 0xf500, ~0xf5ff); |
| rtl_writephy(tp, 0x13, 0x8113); |
| rtl_w0w1_phy(tp, 0x14, 0x6100, ~0x61ff); |
| rtl_writephy(tp, 0x13, 0x8115); |
| rtl_w0w1_phy(tp, 0x14, 0x9200, ~0x92ff); |
| rtl_writephy(tp, 0x13, 0x810e); |
| rtl_w0w1_phy(tp, 0x14, 0x0400, ~0x04ff); |
| rtl_writephy(tp, 0x13, 0x810c); |
| rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff); |
| rtl_writephy(tp, 0x13, 0x810b); |
| rtl_w0w1_phy(tp, 0x14, 0x5a00, ~0x5aff); |
| rtl_writephy(tp, 0x1f, 0x0a43); |
| rtl_writephy(tp, 0x13, 0x80d1); |
| rtl_w0w1_phy(tp, 0x14, 0xff00, ~0xffff); |
| rtl_writephy(tp, 0x13, 0x80cd); |
| rtl_w0w1_phy(tp, 0x14, 0x9e00, ~0x9eff); |
| rtl_writephy(tp, 0x13, 0x80d3); |
| rtl_w0w1_phy(tp, 0x14, 0x0e00, ~0x0eff); |
| rtl_writephy(tp, 0x13, 0x80d5); |
| rtl_w0w1_phy(tp, 0x14, 0xca00, ~0xcaff); |
| rtl_writephy(tp, 0x13, 0x80d7); |
| rtl_w0w1_phy(tp, 0x14, 0x8400, ~0x84ff); |
| |
| /* Force PWM-mode */ |
| rtl_writephy(tp, 0x1f, 0x0bcd); |
| rtl_writephy(tp, 0x14, 0x5065); |
| rtl_writephy(tp, 0x14, 0xd065); |
| rtl_writephy(tp, 0x1f, 0x0bc8); |
| rtl_writephy(tp, 0x12, 0x00ed); |
| rtl_writephy(tp, 0x1f, 0x0bcd); |
| rtl_writephy(tp, 0x14, 0x1065); |
| rtl_writephy(tp, 0x14, 0x9065); |
| rtl_writephy(tp, 0x14, 0x1065); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| |
| rtl8168g_disable_aldps(tp); |
| rtl8168g_config_eee_phy(tp); |
| rtl_enable_eee(tp); |
| } |
| |
| 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 rtl8402_hw_phy_config(struct rtl8169_private *tp) |
| { |
| /* Disable ALDPS before setting firmware */ |
| rtl_writephy(tp, 0x1f, 0x0000); |
| rtl_writephy(tp, 0x18, 0x0310); |
| msleep(20); |
| |
| rtl_apply_firmware(tp); |
| |
| /* EEE setting */ |
| rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| rtl_writephy(tp, 0x1f, 0x0004); |
| rtl_writephy(tp, 0x10, 0x401f); |
| rtl_writephy(tp, 0x19, 0x7030); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| } |
| |
| static void rtl8106e_hw_phy_config(struct rtl8169_private *tp) |
| { |
| static const struct phy_reg phy_reg_init[] = { |
| { 0x1f, 0x0004 }, |
| { 0x10, 0xc07f }, |
| { 0x19, 0x7030 }, |
| { 0x1f, 0x0000 } |
| }; |
| |
| /* Disable ALDPS before ram code */ |
| rtl_writephy(tp, 0x1f, 0x0000); |
| rtl_writephy(tp, 0x18, 0x0310); |
| msleep(100); |
| |
| rtl_apply_firmware(tp); |
| |
| rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
| |
| rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| } |
| |
| static void rtl_hw_phy_config(struct net_device *dev) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| 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; |
| case RTL_GIGA_MAC_VER_35: |
| rtl8168f_1_hw_phy_config(tp); |
| break; |
| case RTL_GIGA_MAC_VER_36: |
| rtl8168f_2_hw_phy_config(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_37: |
| rtl8402_hw_phy_config(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_38: |
| rtl8411_hw_phy_config(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_39: |
| rtl8106e_hw_phy_config(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_40: |
| rtl8168g_1_hw_phy_config(tp); |
| break; |
| case RTL_GIGA_MAC_VER_42: |
| case RTL_GIGA_MAC_VER_43: |
| case RTL_GIGA_MAC_VER_44: |
| rtl8168g_2_hw_phy_config(tp); |
| break; |
| case RTL_GIGA_MAC_VER_45: |
| case RTL_GIGA_MAC_VER_47: |
| rtl8168h_1_hw_phy_config(tp); |
| break; |
| case RTL_GIGA_MAC_VER_46: |
| case RTL_GIGA_MAC_VER_48: |
| rtl8168h_2_hw_phy_config(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_49: |
| rtl8168ep_1_hw_phy_config(tp); |
| break; |
| case RTL_GIGA_MAC_VER_50: |
| case RTL_GIGA_MAC_VER_51: |
| rtl8168ep_2_hw_phy_config(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_41: |
| default: |
| break; |
| } |
| } |
| |
| static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag) |
| { |
| if (!test_and_set_bit(flag, tp->wk.flags)) |
| schedule_work(&tp->wk.work); |
| } |
| |
| static bool rtl_tbi_enabled(struct rtl8169_private *tp) |
| { |
| return (tp->mac_version == RTL_GIGA_MAC_VER_01) && |
| (RTL_R8(tp, PHYstatus) & TBI_Enable); |
| } |
| |
| static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) |
| { |
| rtl_hw_phy_config(dev); |
| |
| if (tp->mac_version <= RTL_GIGA_MAC_VER_06) { |
| pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40); |
| pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); |
| netif_dbg(tp, drv, dev, |
| "Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); |
| RTL_W8(tp, 0x82, 0x01); |
| } |
| |
| /* We may have called phy_speed_down before */ |
| phy_speed_up(tp->phydev); |
| |
| genphy_soft_reset(tp->phydev); |
| |
| /* It was reported that several chips end up with 10MBit/Half on a |
| * 1GBit link after resuming from S3. For whatever reason the PHY on |
| * these chips doesn't properly start a renegotiation when soft-reset. |
| * Explicitly requesting a renegotiation fixes this. |
| */ |
| if (tp->phydev->autoneg == AUTONEG_ENABLE) |
| phy_restart_aneg(tp->phydev); |
| } |
| |
| static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr) |
| { |
| rtl_lock_work(tp); |
| |
| rtl_unlock_config_regs(tp); |
| |
| RTL_W32(tp, MAC4, addr[4] | addr[5] << 8); |
| RTL_R32(tp, MAC4); |
| |
| RTL_W32(tp, MAC0, addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24); |
| RTL_R32(tp, MAC0); |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_34) |
| rtl_rar_exgmac_set(tp, addr); |
| |
| rtl_lock_config_regs(tp); |
| |
| rtl_unlock_work(tp); |
| } |
| |
| static int rtl_set_mac_address(struct net_device *dev, void *p) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| struct device *d = tp_to_dev(tp); |
| int ret; |
| |
| ret = eth_mac_addr(dev, p); |
| if (ret) |
| return ret; |
| |
| pm_runtime_get_noresume(d); |
| |
| if (pm_runtime_active(d)) |
| rtl_rar_set(tp, dev->dev_addr); |
| |
| pm_runtime_put_noidle(d); |
| |
| return 0; |
| } |
| |
| static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| if (!netif_running(dev)) |
| return -ENODEV; |
| |
| return phy_mii_ioctl(tp->phydev, ifr, cmd); |
| } |
| |
| static void 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; |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: |
| ops->write = r8168g_mdio_write; |
| ops->read = r8168g_mdio_read; |
| break; |
| default: |
| ops->write = r8169_mdio_write; |
| ops->read = r8169_mdio_read; |
| break; |
| } |
| } |
| |
| static void rtl_wol_suspend_quirk(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_25: |
| case RTL_GIGA_MAC_VER_26: |
| case RTL_GIGA_MAC_VER_29: |
| case RTL_GIGA_MAC_VER_30: |
| case RTL_GIGA_MAC_VER_32: |
| case RTL_GIGA_MAC_VER_33: |
| case RTL_GIGA_MAC_VER_34: |
| case RTL_GIGA_MAC_VER_37 ... RTL_GIGA_MAC_VER_51: |
| RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) | |
| AcceptBroadcast | AcceptMulticast | AcceptMyPhys); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void r8168_pll_power_down(struct rtl8169_private *tp) |
| { |
| if (r8168_check_dash(tp)) |
| return; |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_32 || |
| tp->mac_version == RTL_GIGA_MAC_VER_33) |
| rtl_ephy_write(tp, 0x19, 0xff64); |
| |
| if (device_may_wakeup(tp_to_dev(tp))) { |
| phy_speed_down(tp->phydev, false); |
| rtl_wol_suspend_quirk(tp); |
| return; |
| } |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33: |
| case RTL_GIGA_MAC_VER_37: |
| case RTL_GIGA_MAC_VER_39: |
| case RTL_GIGA_MAC_VER_43: |
| case RTL_GIGA_MAC_VER_44: |
| case RTL_GIGA_MAC_VER_45: |
| case RTL_GIGA_MAC_VER_46: |
| case RTL_GIGA_MAC_VER_47: |
| case RTL_GIGA_MAC_VER_48: |
| case RTL_GIGA_MAC_VER_50: |
| case RTL_GIGA_MAC_VER_51: |
| RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80); |
| break; |
| case RTL_GIGA_MAC_VER_40: |
| case RTL_GIGA_MAC_VER_41: |
| case RTL_GIGA_MAC_VER_49: |
| rtl_w0w1_eri(tp, 0x1a8, ERIAR_MASK_1111, 0x00000000, |
| 0xfc000000, ERIAR_EXGMAC); |
| RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80); |
| break; |
| } |
| } |
| |
| static void r8168_pll_power_up(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33: |
| case RTL_GIGA_MAC_VER_37: |
| case RTL_GIGA_MAC_VER_39: |
| case RTL_GIGA_MAC_VER_43: |
| RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0x80); |
| break; |
| case RTL_GIGA_MAC_VER_44: |
| case RTL_GIGA_MAC_VER_45: |
| case RTL_GIGA_MAC_VER_46: |
| case RTL_GIGA_MAC_VER_47: |
| case RTL_GIGA_MAC_VER_48: |
| case RTL_GIGA_MAC_VER_50: |
| case RTL_GIGA_MAC_VER_51: |
| RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0); |
| break; |
| case RTL_GIGA_MAC_VER_40: |
| case RTL_GIGA_MAC_VER_41: |
| case RTL_GIGA_MAC_VER_49: |
| RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0); |
| rtl_w0w1_eri(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000, |
| 0x00000000, ERIAR_EXGMAC); |
| break; |
| } |
| |
| phy_resume(tp->phydev); |
| /* give MAC/PHY some time to resume */ |
| msleep(20); |
| } |
| |
| static void rtl_pll_power_down(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: |
| case RTL_GIGA_MAC_VER_13 ... RTL_GIGA_MAC_VER_15: |
| break; |
| default: |
| r8168_pll_power_down(tp); |
| } |
| } |
| |
| static void rtl_pll_power_up(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: |
| case RTL_GIGA_MAC_VER_13 ... RTL_GIGA_MAC_VER_15: |
| break; |
| default: |
| r8168_pll_power_up(tp); |
| } |
| } |
| |
| static void rtl_init_rxcfg(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: |
| case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17: |
| RTL_W32(tp, RxConfig, RX_FIFO_THRESH | RX_DMA_BURST); |
| break; |
| case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24: |
| case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_36: |
| case RTL_GIGA_MAC_VER_38: |
| RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST); |
| break; |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: |
| RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); |
| break; |
| default: |
| RTL_W32(tp, RxConfig, RX128_INT_EN | RX_DMA_BURST); |
| break; |
| } |
| } |
| |
| static void rtl8169_init_ring_indexes(struct rtl8169_private *tp) |
| { |
| tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0; |
| } |
| |
| static void rtl_hw_jumbo_enable(struct rtl8169_private *tp) |
| { |
| if (tp->jumbo_ops.enable) { |
| rtl_unlock_config_regs(tp); |
| tp->jumbo_ops.enable(tp); |
| rtl_lock_config_regs(tp); |
| } |
| } |
| |
| static void rtl_hw_jumbo_disable(struct rtl8169_private *tp) |
| { |
| if (tp->jumbo_ops.disable) { |
| rtl_unlock_config_regs(tp); |
| tp->jumbo_ops.disable(tp); |
| rtl_lock_config_regs(tp); |
| } |
| } |
| |
| static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0); |
| RTL_W8(tp, Config4, RTL_R8(tp, Config4) | Jumbo_En1); |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_512B); |
| } |
| |
| static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0); |
| RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~Jumbo_En1); |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| } |
| |
| static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0); |
| } |
| |
| static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0); |
| } |
| |
| static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, MaxTxPacketSize, 0x3f); |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0); |
| RTL_W8(tp, Config4, RTL_R8(tp, Config4) | 0x01); |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_512B); |
| } |
| |
| static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, MaxTxPacketSize, 0x0c); |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0); |
| RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~0x01); |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| } |
| |
| static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp) |
| { |
| rtl_tx_performance_tweak(tp, |
| PCI_EXP_DEVCTL_READRQ_512B | PCI_EXP_DEVCTL_NOSNOOP_EN); |
| } |
| |
| static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp) |
| { |
| rtl_tx_performance_tweak(tp, |
| PCI_EXP_DEVCTL_READRQ_4096B | PCI_EXP_DEVCTL_NOSNOOP_EN); |
| } |
| |
| static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp) |
| { |
| r8168b_0_hw_jumbo_enable(tp); |
| |
| RTL_W8(tp, Config4, RTL_R8(tp, Config4) | (1 << 0)); |
| } |
| |
| static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp) |
| { |
| r8168b_0_hw_jumbo_disable(tp); |
| |
| RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0)); |
| } |
| |
| static void rtl_init_jumbo_ops(struct rtl8169_private *tp) |
| { |
| struct jumbo_ops *ops = &tp->jumbo_ops; |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_11: |
| ops->disable = r8168b_0_hw_jumbo_disable; |
| ops->enable = r8168b_0_hw_jumbo_enable; |
| break; |
| case RTL_GIGA_MAC_VER_12: |
| case RTL_GIGA_MAC_VER_17: |
| ops->disable = r8168b_1_hw_jumbo_disable; |
| ops->enable = r8168b_1_hw_jumbo_enable; |
| break; |
| case RTL_GIGA_MAC_VER_18: /* Wild guess. Needs info from Realtek. */ |
| case RTL_GIGA_MAC_VER_19: |
| case RTL_GIGA_MAC_VER_20: |
| case RTL_GIGA_MAC_VER_21: /* Wild guess. Needs info from Realtek. */ |
| 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: |
| ops->disable = r8168c_hw_jumbo_disable; |
| ops->enable = r8168c_hw_jumbo_enable; |
| break; |
| case RTL_GIGA_MAC_VER_27: |
| case RTL_GIGA_MAC_VER_28: |
| ops->disable = r8168dp_hw_jumbo_disable; |
| ops->enable = r8168dp_hw_jumbo_enable; |
| break; |
| case RTL_GIGA_MAC_VER_31: /* Wild guess. Needs info from Realtek. */ |
| case RTL_GIGA_MAC_VER_32: |
| case RTL_GIGA_MAC_VER_33: |
| case RTL_GIGA_MAC_VER_34: |
| ops->disable = r8168e_hw_jumbo_disable; |
| ops->enable = r8168e_hw_jumbo_enable; |
| break; |
| |
| /* |
| * No action needed for jumbo frames with 8169. |
| * No jumbo for 810x at all. |
| */ |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: |
| default: |
| ops->disable = NULL; |
| ops->enable = NULL; |
| break; |
| } |
| } |
| |
| DECLARE_RTL_COND(rtl_chipcmd_cond) |
| { |
| return RTL_R8(tp, ChipCmd) & CmdReset; |
| } |
| |
| static void rtl_hw_reset(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, ChipCmd, CmdReset); |
| |
| rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100); |
| } |
| |
| static void rtl_request_firmware(struct rtl8169_private *tp) |
| { |
| struct rtl_fw *rtl_fw; |
| int rc = -ENOMEM; |
| |
| /* firmware loaded already or no firmware available */ |
| if (tp->rtl_fw || !tp->fw_name) |
| return; |
| |
| rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL); |
| if (!rtl_fw) |
| goto err_warn; |
| |
| rc = request_firmware(&rtl_fw->fw, tp->fw_name, tp_to_dev(tp)); |
| 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; |
| |
| 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", |
| tp->fw_name, rc); |
| } |
| |
| static void rtl_rx_close(struct rtl8169_private *tp) |
| { |
| RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) & ~RX_CONFIG_ACCEPT_MASK); |
| } |
| |
| DECLARE_RTL_COND(rtl_npq_cond) |
| { |
| return RTL_R8(tp, TxPoll) & NPQ; |
| } |
| |
| DECLARE_RTL_COND(rtl_txcfg_empty_cond) |
| { |
| return RTL_R32(tp, TxConfig) & TXCFG_EMPTY; |
| } |
| |
| static void rtl8169_hw_reset(struct rtl8169_private *tp) |
| { |
| /* Disable interrupts */ |
| rtl8169_irq_mask_and_ack(tp); |
| |
| rtl_rx_close(tp); |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_27: |
| case RTL_GIGA_MAC_VER_28: |
| case RTL_GIGA_MAC_VER_31: |
| rtl_udelay_loop_wait_low(tp, &rtl_npq_cond, 20, 42*42); |
| break; |
| case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38: |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: |
| RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq); |
| rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666); |
| break; |
| default: |
| RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq); |
| udelay(100); |
| break; |
| } |
| |
| rtl_hw_reset(tp); |
| } |
| |
| static void rtl_set_tx_config_registers(struct rtl8169_private *tp) |
| { |
| u32 val = TX_DMA_BURST << TxDMAShift | |
| InterFrameGap << TxInterFrameGapShift; |
| |
| if (tp->mac_version >= RTL_GIGA_MAC_VER_34 && |
| tp->mac_version != RTL_GIGA_MAC_VER_39) |
| val |= TXCFG_AUTO_FIFO; |
| |
| RTL_W32(tp, TxConfig, val); |
| } |
| |
| static void rtl_set_rx_max_size(struct rtl8169_private *tp) |
| { |
| /* Low hurts. Let's disable the filtering. */ |
| RTL_W16(tp, RxMaxSize, R8169_RX_BUF_SIZE + 1); |
| } |
| |
| static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp) |
| { |
| /* |
| * 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(tp, TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32); |
| RTL_W32(tp, TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32)); |
| RTL_W32(tp, RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32); |
| RTL_W32(tp, RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32)); |
| } |
| |
| static void rtl8169_set_magic_reg(struct rtl8169_private *tp, unsigned mac_version) |
| { |
| u32 val; |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_05) |
| val = 0x000fff00; |
| else if (tp->mac_version == RTL_GIGA_MAC_VER_06) |
| val = 0x00ffff00; |
| else |
| return; |
| |
| if (RTL_R8(tp, Config2) & PCI_Clock_66MHz) |
| val |= 0xff; |
| |
| RTL_W32(tp, 0x7c, val); |
| } |
| |
| static void rtl_set_rx_mode(struct net_device *dev) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| 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; |
| } |
| } |
| |
| if (dev->features & NETIF_F_RXALL) |
| rx_mode |= (AcceptErr | AcceptRunt); |
| |
| tmp = (RTL_R32(tp, 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); |
| } |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_35) |
| mc_filter[1] = mc_filter[0] = 0xffffffff; |
| |
| RTL_W32(tp, MAR0 + 4, mc_filter[1]); |
| RTL_W32(tp, MAR0 + 0, mc_filter[0]); |
| |
| RTL_W32(tp, RxConfig, tmp); |
| } |
| |
| static void rtl_hw_start(struct rtl8169_private *tp) |
| { |
| rtl_unlock_config_regs(tp); |
| |
| tp->hw_start(tp); |
| |
| rtl_set_rx_max_size(tp); |
| rtl_set_rx_tx_desc_registers(tp); |
| rtl_lock_config_regs(tp); |
| |
| /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ |
| RTL_R8(tp, IntrMask); |
| RTL_W8(tp, ChipCmd, CmdTxEnb | CmdRxEnb); |
| rtl_init_rxcfg(tp); |
| rtl_set_tx_config_registers(tp); |
| |
| rtl_set_rx_mode(tp->dev); |
| /* no early-rx interrupts */ |
| RTL_W16(tp, MultiIntr, RTL_R16(tp, MultiIntr) & 0xf000); |
| rtl_irq_enable(tp); |
| } |
| |
| static void rtl_hw_start_8169(struct rtl8169_private *tp) |
| { |
| if (tp->mac_version == RTL_GIGA_MAC_VER_05) |
| pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); |
| |
| RTL_W8(tp, EarlyTxThres, NoEarlyTx); |
| |
| tp->cp_cmd |= PCIMulRW; |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_02 || |
| tp->mac_version == RTL_GIGA_MAC_VER_03) { |
| netif_dbg(tp, drv, tp->dev, |
| "Set MAC Reg C+CR Offset 0xe0. Bit 3 and Bit 14 MUST be 1\n"); |
| tp->cp_cmd |= (1 << 14); |
| } |
| |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| |
| rtl8169_set_magic_reg(tp, tp->mac_version); |
| |
| /* |
| * Undocumented corner. Supposedly: |
| * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets |
| */ |
| RTL_W16(tp, IntrMitigate, 0x0000); |
| |
| RTL_W32(tp, RxMissed, 0); |
| } |
| |
| DECLARE_RTL_COND(rtl_csiar_cond) |
| { |
| return RTL_R32(tp, CSIAR) & CSIAR_FLAG; |
| } |
| |
| static void rtl_csi_write(struct rtl8169_private *tp, int addr, int value) |
| { |
| u32 func = PCI_FUNC(tp->pci_dev->devfn); |
| |
| RTL_W32(tp, CSIDR, value); |
| RTL_W32(tp, CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) | |
| CSIAR_BYTE_ENABLE | func << 16); |
| |
| rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100); |
| } |
| |
| static u32 rtl_csi_read(struct rtl8169_private *tp, int addr) |
| { |
| u32 func = PCI_FUNC(tp->pci_dev->devfn); |
| |
| RTL_W32(tp, CSIAR, (addr & CSIAR_ADDR_MASK) | func << 16 | |
| CSIAR_BYTE_ENABLE); |
| |
| return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ? |
| RTL_R32(tp, CSIDR) : ~0; |
| } |
| |
| static void rtl_csi_access_enable(struct rtl8169_private *tp, u8 val) |
| { |
| struct pci_dev *pdev = tp->pci_dev; |
| u32 csi; |
| |
| /* According to Realtek the value at config space address 0x070f |
| * controls the L0s/L1 entrance latency. We try standard ECAM access |
| * first and if it fails fall back to CSI. |
| */ |
| if (pdev->cfg_size > 0x070f && |
| pci_write_config_byte(pdev, 0x070f, val) == PCIBIOS_SUCCESSFUL) |
| return; |
| |
| netdev_notice_once(tp->dev, |
| "No native access to PCI extended config space, falling back to CSI\n"); |
| csi = rtl_csi_read(tp, 0x070c) & 0x00ffffff; |
| rtl_csi_write(tp, 0x070c, csi | val << 24); |
| } |
| |
| static void rtl_set_def_aspm_entry_latency(struct rtl8169_private *tp) |
| { |
| rtl_csi_access_enable(tp, 0x27); |
| } |
| |
| struct ephy_info { |
| unsigned int offset; |
| u16 mask; |
| u16 bits; |
| }; |
| |
| static void rtl_ephy_init(struct rtl8169_private *tp, const struct ephy_info *e, |
| int len) |
| { |
| u16 w; |
| |
| while (len-- > 0) { |
| w = (rtl_ephy_read(tp, e->offset) & ~e->mask) | e->bits; |
| rtl_ephy_write(tp, e->offset, w); |
| e++; |
| } |
| } |
| |
| static void rtl_disable_clock_request(struct rtl8169_private *tp) |
| { |
| pcie_capability_clear_word(tp->pci_dev, PCI_EXP_LNKCTL, |
| PCI_EXP_LNKCTL_CLKREQ_EN); |
| } |
| |
| static void rtl_enable_clock_request(struct rtl8169_private *tp) |
| { |
| pcie_capability_set_word(tp->pci_dev, PCI_EXP_LNKCTL, |
| PCI_EXP_LNKCTL_CLKREQ_EN); |
| } |
| |
| static void rtl_pcie_state_l2l3_disable(struct rtl8169_private *tp) |
| { |
| /* work around an issue when PCI reset occurs during L2/L3 state */ |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Rdy_to_L23); |
| } |
| |
| static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable) |
| { |
| if (enable) { |
| RTL_W8(tp, Config5, RTL_R8(tp, Config5) | ASPM_en); |
| RTL_W8(tp, Config2, RTL_R8(tp, Config2) | ClkReqEn); |
| } else { |
| RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn); |
| RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en); |
| } |
| |
| udelay(10); |
| } |
| |
| static void rtl_hw_start_8168bb(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); |
| |
| tp->cp_cmd &= CPCMD_QUIRK_MASK; |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| |
| if (tp->dev->mtu <= ETH_DATA_LEN) { |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B | |
| PCI_EXP_DEVCTL_NOSNOOP_EN); |
| } |
| } |
| |
| static void rtl_hw_start_8168bef(struct rtl8169_private *tp) |
| { |
| rtl_hw_start_8168bb(tp); |
| |
| RTL_W8(tp, MaxTxPacketSize, TxPacketMax); |
| |
| RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0)); |
| } |
| |
| static void __rtl_hw_start_8168cp(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, Config1, RTL_R8(tp, Config1) | Speed_down); |
| |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); |
| |
| if (tp->dev->mtu <= ETH_DATA_LEN) |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| rtl_disable_clock_request(tp); |
| |
| tp->cp_cmd &= CPCMD_QUIRK_MASK; |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| } |
| |
| static void rtl_hw_start_8168cp_1(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8168cp[] = { |
| { 0x01, 0, 0x0001 }, |
| { 0x02, 0x0800, 0x1000 }, |
| { 0x03, 0, 0x0042 }, |
| { 0x06, 0x0080, 0x0000 }, |
| { 0x07, 0, 0x2000 } |
| }; |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_ephy_init(tp, e_info_8168cp, ARRAY_SIZE(e_info_8168cp)); |
| |
| __rtl_hw_start_8168cp(tp); |
| } |
| |
| static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp) |
| { |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); |
| |
| if (tp->dev->mtu <= ETH_DATA_LEN) |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| tp->cp_cmd &= CPCMD_QUIRK_MASK; |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| } |
| |
| static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp) |
| { |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); |
| |
| /* Magic. */ |
| RTL_W8(tp, DBG_REG, 0x20); |
| |
| RTL_W8(tp, MaxTxPacketSize, TxPacketMax); |
| |
| if (tp->dev->mtu <= ETH_DATA_LEN) |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| tp->cp_cmd &= CPCMD_QUIRK_MASK; |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| } |
| |
| static void rtl_hw_start_8168c_1(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8168c_1[] = { |
| { 0x02, 0x0800, 0x1000 }, |
| { 0x03, 0, 0x0002 }, |
| { 0x06, 0x0080, 0x0000 } |
| }; |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| RTL_W8(tp, DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2); |
| |
| rtl_ephy_init(tp, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1)); |
| |
| __rtl_hw_start_8168cp(tp); |
| } |
| |
| static void rtl_hw_start_8168c_2(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8168c_2[] = { |
| { 0x01, 0, 0x0001 }, |
| { 0x03, 0x0400, 0x0220 } |
| }; |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_ephy_init(tp, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2)); |
| |
| __rtl_hw_start_8168cp(tp); |
| } |
| |
| static void rtl_hw_start_8168c_3(struct rtl8169_private *tp) |
| { |
| rtl_hw_start_8168c_2(tp); |
| } |
| |
| static void rtl_hw_start_8168c_4(struct rtl8169_private *tp) |
| { |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| __rtl_hw_start_8168cp(tp); |
| } |
| |
| static void rtl_hw_start_8168d(struct rtl8169_private *tp) |
| { |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_disable_clock_request(tp); |
| |
| RTL_W8(tp, MaxTxPacketSize, TxPacketMax); |
| |
| if (tp->dev->mtu <= ETH_DATA_LEN) |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| tp->cp_cmd &= CPCMD_QUIRK_MASK; |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| } |
| |
| static void rtl_hw_start_8168dp(struct rtl8169_private *tp) |
| { |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| if (tp->dev->mtu <= ETH_DATA_LEN) |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| RTL_W8(tp, MaxTxPacketSize, TxPacketMax); |
| |
| rtl_disable_clock_request(tp); |
| } |
| |
| static void rtl_hw_start_8168d_4(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8168d_4[] = { |
| { 0x0b, 0x0000, 0x0048 }, |
| { 0x19, 0x0020, 0x0050 }, |
| { 0x0c, 0x0100, 0x0020 } |
| }; |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| RTL_W8(tp, MaxTxPacketSize, TxPacketMax); |
| |
| rtl_ephy_init(tp, e_info_8168d_4, ARRAY_SIZE(e_info_8168d_4)); |
| |
| rtl_enable_clock_request(tp); |
| } |
| |
| static void rtl_hw_start_8168e_1(struct rtl8169_private *tp) |
| { |
| 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_set_def_aspm_entry_latency(tp); |
| |
| rtl_ephy_init(tp, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1)); |
| |
| if (tp->dev->mtu <= ETH_DATA_LEN) |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| RTL_W8(tp, MaxTxPacketSize, TxPacketMax); |
| |
| rtl_disable_clock_request(tp); |
| |
| /* Reset tx FIFO pointer */ |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) | TXPLA_RST); |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~TXPLA_RST); |
| |
| RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en); |
| } |
| |
| static void rtl_hw_start_8168e_2(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8168e_2[] = { |
| { 0x09, 0x0000, 0x0080 }, |
| { 0x19, 0x0000, 0x0224 } |
| }; |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_ephy_init(tp, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2)); |
| |
| if (tp->dev->mtu <= ETH_DATA_LEN) |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC); |
| |
| RTL_W8(tp, MaxTxPacketSize, EarlySize); |
| |
| rtl_disable_clock_request(tp); |
| |
| RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); |
| |
| /* Adjust EEE LED frequency */ |
| RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); |
| |
| rtl8168_config_eee_mac(tp); |
| |
| RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN); |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN); |
| RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en); |
| |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_start_8168f(struct rtl8169_private *tp) |
| { |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0x1d0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x00000060, ERIAR_EXGMAC); |
| |
| RTL_W8(tp, MaxTxPacketSize, EarlySize); |
| |
| rtl_disable_clock_request(tp); |
| |
| RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); |
| RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN); |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN); |
| RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en); |
| |
| rtl8168_config_eee_mac(tp); |
| } |
| |
| static void rtl_hw_start_8168f_1(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8168f_1[] = { |
| { 0x06, 0x00c0, 0x0020 }, |
| { 0x08, 0x0001, 0x0002 }, |
| { 0x09, 0x0000, 0x0080 }, |
| { 0x19, 0x0000, 0x0224 } |
| }; |
| |
| rtl_hw_start_8168f(tp); |
| |
| rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1)); |
| |
| rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC); |
| |
| /* Adjust EEE LED frequency */ |
| RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); |
| } |
| |
| static void rtl_hw_start_8411(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8168f_1[] = { |
| { 0x06, 0x00c0, 0x0020 }, |
| { 0x0f, 0xffff, 0x5200 }, |
| { 0x1e, 0x0000, 0x4000 }, |
| { 0x19, 0x0000, 0x0224 } |
| }; |
| |
| rtl_hw_start_8168f(tp); |
| rtl_pcie_state_l2l3_disable(tp); |
| |
| rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1)); |
| |
| rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0x0000, ERIAR_EXGMAC); |
| } |
| |
| static void rtl_hw_start_8168g(struct rtl8169_private *tp) |
| { |
| rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x080002, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0x2f8, ERIAR_MASK_0011, 0x1d8f, ERIAR_EXGMAC); |
| |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); |
| RTL_W8(tp, MaxTxPacketSize, EarlySize); |
| |
| rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| |
| /* Adjust EEE LED frequency */ |
| RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); |
| |
| rtl8168_config_eee_mac(tp); |
| |
| rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC); |
| |
| rtl_pcie_state_l2l3_disable(tp); |
| } |
| |
| static void rtl_hw_start_8168g_1(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8168g_1[] = { |
| { 0x00, 0x0000, 0x0008 }, |
| { 0x0c, 0x37d0, 0x0820 }, |
| { 0x1e, 0x0000, 0x0001 }, |
| { 0x19, 0x8000, 0x0000 } |
| }; |
| |
| rtl_hw_start_8168g(tp); |
| |
| /* disable aspm and clock request before access ephy */ |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| rtl_ephy_init(tp, e_info_8168g_1, ARRAY_SIZE(e_info_8168g_1)); |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_start_8168g_2(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8168g_2[] = { |
| { 0x00, 0x0000, 0x0008 }, |
| { 0x0c, 0x3df0, 0x0200 }, |
| { 0x19, 0xffff, 0xfc00 }, |
| { 0x1e, 0xffff, 0x20eb } |
| }; |
| |
| rtl_hw_start_8168g(tp); |
| |
| /* disable aspm and clock request before access ephy */ |
| RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn); |
| RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en); |
| rtl_ephy_init(tp, e_info_8168g_2, ARRAY_SIZE(e_info_8168g_2)); |
| } |
| |
| static void rtl_hw_start_8411_2(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8411_2[] = { |
| { 0x00, 0x0000, 0x0008 }, |
| { 0x0c, 0x3df0, 0x0200 }, |
| { 0x0f, 0xffff, 0x5200 }, |
| { 0x19, 0x0020, 0x0000 }, |
| { 0x1e, 0x0000, 0x2000 } |
| }; |
| |
| rtl_hw_start_8168g(tp); |
| |
| /* disable aspm and clock request before access ephy */ |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| rtl_ephy_init(tp, e_info_8411_2, ARRAY_SIZE(e_info_8411_2)); |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_start_8168h_1(struct rtl8169_private *tp) |
| { |
| int rg_saw_cnt; |
| u32 data; |
| static const struct ephy_info e_info_8168h_1[] = { |
| { 0x1e, 0x0800, 0x0001 }, |
| { 0x1d, 0x0000, 0x0800 }, |
| { 0x05, 0xffff, 0x2089 }, |
| { 0x06, 0xffff, 0x5881 }, |
| { 0x04, 0xffff, 0x154a }, |
| { 0x01, 0xffff, 0x068b } |
| }; |
| |
| /* disable aspm and clock request before access ephy */ |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| rtl_ephy_init(tp, e_info_8168h_1, ARRAY_SIZE(e_info_8168h_1)); |
| |
| rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x00080002, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); |
| |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_1111, 0x0010, 0x00, ERIAR_EXGMAC); |
| |
| rtl_w0w1_eri(tp, 0xd4, ERIAR_MASK_1111, 0x1f00, 0x00, ERIAR_EXGMAC); |
| |
| rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87, ERIAR_EXGMAC); |
| |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); |
| RTL_W8(tp, MaxTxPacketSize, EarlySize); |
| |
| rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| |
| /* Adjust EEE LED frequency */ |
| RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); |
| |
| rtl8168_config_eee_mac(tp); |
| |
| RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); |
| RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN); |
| |
| RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN); |
| |
| rtl_w0w1_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC); |
| |
| rtl_pcie_state_l2l3_disable(tp); |
| |
| rtl_writephy(tp, 0x1f, 0x0c42); |
| rg_saw_cnt = (rtl_readphy(tp, 0x13) & 0x3fff); |
| rtl_writephy(tp, 0x1f, 0x0000); |
| if (rg_saw_cnt > 0) { |
| u16 sw_cnt_1ms_ini; |
| |
| sw_cnt_1ms_ini = 16000000/rg_saw_cnt; |
| sw_cnt_1ms_ini &= 0x0fff; |
| data = r8168_mac_ocp_read(tp, 0xd412); |
| data &= ~0x0fff; |
| data |= sw_cnt_1ms_ini; |
| r8168_mac_ocp_write(tp, 0xd412, data); |
| } |
| |
| data = r8168_mac_ocp_read(tp, 0xe056); |
| data &= ~0xf0; |
| data |= 0x70; |
| r8168_mac_ocp_write(tp, 0xe056, data); |
| |
| data = r8168_mac_ocp_read(tp, 0xe052); |
| data &= ~0x6000; |
| data |= 0x8008; |
| r8168_mac_ocp_write(tp, 0xe052, data); |
| |
| data = r8168_mac_ocp_read(tp, 0xe0d6); |
| data &= ~0x01ff; |
| data |= 0x017f; |
| r8168_mac_ocp_write(tp, 0xe0d6, data); |
| |
| data = r8168_mac_ocp_read(tp, 0xd420); |
| data &= ~0x0fff; |
| data |= 0x047f; |
| r8168_mac_ocp_write(tp, 0xd420, data); |
| |
| r8168_mac_ocp_write(tp, 0xe63e, 0x0001); |
| r8168_mac_ocp_write(tp, 0xe63e, 0x0000); |
| r8168_mac_ocp_write(tp, 0xc094, 0x0000); |
| r8168_mac_ocp_write(tp, 0xc09e, 0x0000); |
| |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_start_8168ep(struct rtl8169_private *tp) |
| { |
| rtl8168ep_stop_cmac(tp); |
| |
| rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x00080002, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x2f, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x5f, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC); |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); |
| |
| rtl_w0w1_eri(tp, 0xd4, ERIAR_MASK_1111, 0x1f80, 0x00, ERIAR_EXGMAC); |
| |
| rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87, ERIAR_EXGMAC); |
| |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); |
| RTL_W8(tp, MaxTxPacketSize, EarlySize); |
| |
| rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| |
| /* Adjust EEE LED frequency */ |
| RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); |
| |
| rtl8168_config_eee_mac(tp); |
| |
| rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC); |
| |
| RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN); |
| |
| rtl_pcie_state_l2l3_disable(tp); |
| } |
| |
| static void rtl_hw_start_8168ep_1(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8168ep_1[] = { |
| { 0x00, 0xffff, 0x10ab }, |
| { 0x06, 0xffff, 0xf030 }, |
| { 0x08, 0xffff, 0x2006 }, |
| { 0x0d, 0xffff, 0x1666 }, |
| { 0x0c, 0x3ff0, 0x0000 } |
| }; |
| |
| /* disable aspm and clock request before access ephy */ |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| rtl_ephy_init(tp, e_info_8168ep_1, ARRAY_SIZE(e_info_8168ep_1)); |
| |
| rtl_hw_start_8168ep(tp); |
| |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_start_8168ep_2(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8168ep_2[] = { |
| { 0x00, 0xffff, 0x10a3 }, |
| { 0x19, 0xffff, 0xfc00 }, |
| { 0x1e, 0xffff, 0x20ea } |
| }; |
| |
| /* disable aspm and clock request before access ephy */ |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| rtl_ephy_init(tp, e_info_8168ep_2, ARRAY_SIZE(e_info_8168ep_2)); |
| |
| rtl_hw_start_8168ep(tp); |
| |
| RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); |
| RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN); |
| |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp) |
| { |
| u32 data; |
| static const struct ephy_info e_info_8168ep_3[] = { |
| { 0x00, 0xffff, 0x10a3 }, |
| { 0x19, 0xffff, 0x7c00 }, |
| { 0x1e, 0xffff, 0x20eb }, |
| { 0x0d, 0xffff, 0x1666 } |
| }; |
| |
| /* disable aspm and clock request before access ephy */ |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| rtl_ephy_init(tp, e_info_8168ep_3, ARRAY_SIZE(e_info_8168ep_3)); |
| |
| rtl_hw_start_8168ep(tp); |
| |
| RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); |
| RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN); |
| |
| data = r8168_mac_ocp_read(tp, 0xd3e2); |
| data &= 0xf000; |
| data |= 0x0271; |
| r8168_mac_ocp_write(tp, 0xd3e2, data); |
| |
| data = r8168_mac_ocp_read(tp, 0xd3e4); |
| data &= 0xff00; |
| r8168_mac_ocp_write(tp, 0xd3e4, data); |
| |
| data = r8168_mac_ocp_read(tp, 0xe860); |
| data |= 0x0080; |
| r8168_mac_ocp_write(tp, 0xe860, data); |
| |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_start_8168(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, MaxTxPacketSize, TxPacketMax); |
| |
| tp->cp_cmd &= ~INTT_MASK; |
| tp->cp_cmd |= PktCntrDisable | INTT_1; |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| |
| RTL_W16(tp, IntrMitigate, 0x5151); |
| |
| /* Work around for RxFIFO overflow. */ |
| if (tp->mac_version == RTL_GIGA_MAC_VER_11) { |
| tp->irq_mask |= RxFIFOOver; |
| tp->irq_mask &= ~RxOverflow; |
| } |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_11: |
| rtl_hw_start_8168bb(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_12: |
| case RTL_GIGA_MAC_VER_17: |
| rtl_hw_start_8168bef(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_18: |
| rtl_hw_start_8168cp_1(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_19: |
| rtl_hw_start_8168c_1(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_20: |
| rtl_hw_start_8168c_2(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_21: |
| rtl_hw_start_8168c_3(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_22: |
| rtl_hw_start_8168c_4(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_23: |
| rtl_hw_start_8168cp_2(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_24: |
| rtl_hw_start_8168cp_3(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_25: |
| case RTL_GIGA_MAC_VER_26: |
| case RTL_GIGA_MAC_VER_27: |
| rtl_hw_start_8168d(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_28: |
| rtl_hw_start_8168d_4(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_31: |
| rtl_hw_start_8168dp(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_32: |
| case RTL_GIGA_MAC_VER_33: |
| rtl_hw_start_8168e_1(tp); |
| break; |
| case RTL_GIGA_MAC_VER_34: |
| rtl_hw_start_8168e_2(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_35: |
| case RTL_GIGA_MAC_VER_36: |
| rtl_hw_start_8168f_1(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_38: |
| rtl_hw_start_8411(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_40: |
| case RTL_GIGA_MAC_VER_41: |
| rtl_hw_start_8168g_1(tp); |
| break; |
| case RTL_GIGA_MAC_VER_42: |
| rtl_hw_start_8168g_2(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_44: |
| rtl_hw_start_8411_2(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_45: |
| case RTL_GIGA_MAC_VER_46: |
| rtl_hw_start_8168h_1(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_49: |
| rtl_hw_start_8168ep_1(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_50: |
| rtl_hw_start_8168ep_2(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_51: |
| rtl_hw_start_8168ep_3(tp); |
| break; |
| |
| default: |
| netif_err(tp, drv, tp->dev, |
| "unknown chipset (mac_version = %d)\n", |
| tp->mac_version); |
| break; |
| } |
| } |
| |
| static void rtl_hw_start_8102e_1(struct rtl8169_private *tp) |
| { |
| 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_set_def_aspm_entry_latency(tp); |
| |
| RTL_W8(tp, DBG_REG, FIX_NAK_1); |
| |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| RTL_W8(tp, Config1, |
| LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable); |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); |
| |
| cfg1 = RTL_R8(tp, Config1); |
| if ((cfg1 & LEDS0) && (cfg1 & LEDS1)) |
| RTL_W8(tp, Config1, cfg1 & ~LEDS0); |
| |
| rtl_ephy_init(tp, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1)); |
| } |
| |
| static void rtl_hw_start_8102e_2(struct rtl8169_private *tp) |
| { |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| RTL_W8(tp, Config1, MEMMAP | IOMAP | VPD | PMEnable); |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); |
| } |
| |
| static void rtl_hw_start_8102e_3(struct rtl8169_private *tp) |
| { |
| rtl_hw_start_8102e_2(tp); |
| |
| rtl_ephy_write(tp, 0x03, 0xc2f9); |
| } |
| |
| static void rtl_hw_start_8105e_1(struct rtl8169_private *tp) |
| { |
| 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(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800); |
| |
| /* Disable Early Tally Counter */ |
| RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) & ~0x010000); |
| |
| RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET); |
| RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN); |
| |
| rtl_ephy_init(tp, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1)); |
| |
| rtl_pcie_state_l2l3_disable(tp); |
| } |
| |
| static void rtl_hw_start_8105e_2(struct rtl8169_private *tp) |
| { |
| rtl_hw_start_8105e_1(tp); |
| rtl_ephy_write(tp, 0x1e, rtl_ephy_read(tp, 0x1e) | 0x8000); |
| } |
| |
| static void rtl_hw_start_8402(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8402[] = { |
| { 0x19, 0xffff, 0xff64 }, |
| { 0x1e, 0, 0x4000 } |
| }; |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| /* Force LAN exit from ASPM if Rx/Tx are not idle */ |
| RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800); |
| |
| RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); |
| |
| rtl_ephy_init(tp, e_info_8402, ARRAY_SIZE(e_info_8402)); |
| |
| rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); |
| |
| rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00000002, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00000006, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); |
| rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00, ERIAR_EXGMAC); |
| |
| rtl_pcie_state_l2l3_disable(tp); |
| } |
| |
| static void rtl_hw_start_8106(struct rtl8169_private *tp) |
| { |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| |
| /* Force LAN exit from ASPM if Rx/Tx are not idle */ |
| RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800); |
| |
| RTL_W32(tp, MISC, (RTL_R32(tp, MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN); |
| RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET); |
| RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); |
| |
| rtl_pcie_state_l2l3_disable(tp); |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_start_8101(struct rtl8169_private *tp) |
| { |
| if (tp->mac_version >= RTL_GIGA_MAC_VER_30) |
| tp->irq_mask &= ~RxFIFOOver; |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_13 || |
| tp->mac_version == RTL_GIGA_MAC_VER_16) |
| pcie_capability_set_word(tp->pci_dev, PCI_EXP_DEVCTL, |
| PCI_EXP_DEVCTL_NOSNOOP_EN); |
| |
| RTL_W8(tp, MaxTxPacketSize, TxPacketMax); |
| |
| tp->cp_cmd &= CPCMD_QUIRK_MASK; |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_07: |
| rtl_hw_start_8102e_1(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_08: |
| rtl_hw_start_8102e_3(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_09: |
| rtl_hw_start_8102e_2(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_29: |
| rtl_hw_start_8105e_1(tp); |
| break; |
| case RTL_GIGA_MAC_VER_30: |
| rtl_hw_start_8105e_2(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_37: |
| rtl_hw_start_8402(tp); |
| break; |
| |
| case RTL_GIGA_MAC_VER_39: |
| rtl_hw_start_8106(tp); |
| break; |
| case RTL_GIGA_MAC_VER_43: |
| rtl_hw_start_8168g_2(tp); |
| break; |
| case RTL_GIGA_MAC_VER_47: |
| case RTL_GIGA_MAC_VER_48: |
| rtl_hw_start_8168h_1(tp); |
| break; |
| } |
| |
| RTL_W16(tp, IntrMitigate, 0x0000); |
| } |
| |
| static int rtl8169_change_mtu(struct net_device *dev, int new_mtu) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| if (new_mtu > ETH_DATA_LEN) |
| rtl_hw_jumbo_enable(tp); |
| else |
| rtl_hw_jumbo_disable(tp); |
| |
| 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_to_dev(tp), le64_to_cpu(desc->addr), |
| R8169_RX_BUF_SIZE, 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 eor = le32_to_cpu(desc->opts1) & RingEnd; |
| |
| /* Force memory writes to complete before releasing descriptor */ |
| dma_wmb(); |
| |
| desc->opts1 = cpu_to_le32(DescOwn | eor | R8169_RX_BUF_SIZE); |
| } |
| |
| 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_to_dev(tp); |
| int node = dev_to_node(d); |
| |
| data = kmalloc_node(R8169_RX_BUF_SIZE, GFP_KERNEL, node); |
| if (!data) |
| return NULL; |
| |
| /* Memory should be properly aligned, but better check. */ |
| if (!IS_ALIGNED((unsigned long)data, 8)) { |
| netdev_err_once(tp->dev, "RX buffer not 8-byte-aligned\n"); |
| goto err_out; |
| } |
| |
| mapping = dma_map_single(d, data, R8169_RX_BUF_SIZE, 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; |
| } |
| |
| desc->addr = cpu_to_le64(mapping); |
| rtl8169_mark_to_asic(desc); |
| 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; |
| |
| 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 rtl8169_private *tp) |
| { |
| rtl8169_init_ring_indexes(tp); |
| |
| memset(tp->tx_skb, 0, sizeof(tp->tx_skb)); |
| memset(tp->Rx_databuff, 0, sizeof(tp->Rx_databuff)); |
| |
| 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_to_dev(tp), tx_skb, |
| tp->TxDescArray + entry); |
| if (skb) { |
| dev_consume_skb_any(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; |
| netdev_reset_queue(tp->dev); |
| } |
| |
| static void rtl_reset_work(struct rtl8169_private *tp) |
| { |
| struct net_device *dev = tp->dev; |
| int i; |
| |
| napi_disable(&tp->napi); |
| netif_stop_queue(dev); |
| synchronize_rcu(); |
| |
| rtl8169_hw_reset(tp); |
| |
| for (i = 0; i < NUM_RX_DESC; i++) |
| rtl8169_mark_to_asic(tp->RxDescArray + i); |
| |
| rtl8169_tx_clear(tp); |
| rtl8169_init_ring_indexes(tp); |
| |
| napi_enable(&tp->napi); |
| rtl_hw_start(tp); |
| netif_wake_queue(dev); |
| } |
| |
| static void rtl8169_tx_timeout(struct net_device *dev) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); |
| } |
| |
| static __le32 rtl8169_get_txd_opts1(u32 opts0, u32 len, unsigned int entry) |
| { |
| u32 status = opts0 | len; |
| |
| if (entry == NUM_TX_DESC - 1) |
| status |= RingEnd; |
| |
| return cpu_to_le32(status); |
| } |
| |
| 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_to_dev(tp); |
| |
| entry = tp->cur_tx; |
| for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) { |
| const skb_frag_t *frag = info->frags + cur_frag; |
| dma_addr_t mapping; |
| u32 len; |
| void *addr; |
| |
| entry = (entry + 1) % NUM_TX_DESC; |
| |
| txd = tp->TxDescArray + entry; |
| len = skb_frag_size(frag); |
| addr = skb_frag_address(frag); |
| 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; |
| } |
| |
| txd->opts1 = rtl8169_get_txd_opts1(opts[0], len, entry); |
| 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 bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb) |
| { |
| return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34; |
| } |
| |
| static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, |
| struct net_device *dev); |
| /* r8169_csum_workaround() |
| * The hw limites the value the transport offset. When the offset is out of the |
| * range, calculate the checksum by sw. |
| */ |
| static void r8169_csum_workaround(struct rtl8169_private *tp, |
| struct sk_buff *skb) |
| { |
| if (skb_shinfo(skb)->gso_size) { |
| netdev_features_t features = tp->dev->features; |
| struct sk_buff *segs, *nskb; |
| |
| features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6); |
| segs = skb_gso_segment(skb, features); |
| if (IS_ERR(segs) || !segs) |
| goto drop; |
| |
| do { |
| nskb = segs; |
| segs = segs->next; |
| nskb->next = NULL; |
| rtl8169_start_xmit(nskb, tp->dev); |
| } while (segs); |
| |
| dev_consume_skb_any(skb); |
| } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
| if (skb_checksum_help(skb) < 0) |
| goto drop; |
| |
| rtl8169_start_xmit(skb, tp->dev); |
| } else { |
| struct net_device_stats *stats; |
| |
| drop: |
| stats = &tp->dev->stats; |
| stats->tx_dropped++; |
| dev_kfree_skb_any(skb); |
| } |
| } |
| |
| /* msdn_giant_send_check() |
| * According to the document of microsoft, the TCP Pseudo Header excludes the |
| * packet length for IPv6 TCP large packets. |
| */ |
| static int msdn_giant_send_check(struct sk_buff *skb) |
| { |
| const struct ipv6hdr *ipv6h; |
| struct tcphdr *th; |
| int ret; |
| |
| ret = skb_cow_head(skb, 0); |
| if (ret) |
| return ret; |
| |
| ipv6h = ipv6_hdr(skb); |
| th = tcp_hdr(skb); |
| |
| th->check = 0; |
| th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0); |
| |
| return ret; |
| } |
| |
| static bool rtl8169_tso_csum_v1(struct rtl8169_private *tp, |
| struct sk_buff *skb, u32 *opts) |
| { |
| u32 mss = skb_shinfo(skb)->gso_size; |
| |
| if (mss) { |
| opts[0] |= TD_LSO; |
| opts[0] |= min(mss, TD_MSS_MAX) << TD0_MSS_SHIFT; |
| } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
| const struct iphdr *ip = ip_hdr(skb); |
| |
| if (ip->protocol == IPPROTO_TCP) |
| opts[0] |= TD0_IP_CS | TD0_TCP_CS; |
| else if (ip->protocol == IPPROTO_UDP) |
| opts[0] |= TD0_IP_CS | TD0_UDP_CS; |
| else |
| WARN_ON_ONCE(1); |
| } |
| |
| return true; |
| } |
| |
| static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp, |
| struct sk_buff *skb, u32 *opts) |
| { |
| u32 transport_offset = (u32)skb_transport_offset(skb); |
| u32 mss = skb_shinfo(skb)->gso_size; |
| |
| if (mss) { |
| if (transport_offset > GTTCPHO_MAX) { |
| netif_warn(tp, tx_err, tp->dev, |
| "Invalid transport offset 0x%x for TSO\n", |
| transport_offset); |
| return false; |
| } |
| |
| switch (vlan_get_protocol(skb)) { |
| case htons(ETH_P_IP): |
| opts[0] |= TD1_GTSENV4; |
| break; |
| |
| case htons(ETH_P_IPV6): |
| if (msdn_giant_send_check(skb)) |
| return false; |
| |
| opts[0] |= TD1_GTSENV6; |
| break; |
| |
| default: |
| WARN_ON_ONCE(1); |
| break; |
| } |
| |
| opts[0] |= transport_offset << GTTCPHO_SHIFT; |
| opts[1] |= min(mss, TD_MSS_MAX) << TD1_MSS_SHIFT; |
| } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
| u8 ip_protocol; |
| |
| if (unlikely(rtl_test_hw_pad_bug(tp, skb))) |
| return !(skb_checksum_help(skb) || eth_skb_pad(skb)); |
| |
| if (transport_offset > TCPHO_MAX) { |
| netif_warn(tp, tx_err, tp->dev, |
| "Invalid transport offset 0x%x\n", |
| transport_offset); |
| return false; |
| } |
| |
| switch (vlan_get_protocol(skb)) { |
| case htons(ETH_P_IP): |
| opts[1] |= TD1_IPv4_CS; |
| ip_protocol = ip_hdr(skb)->protocol; |
| break; |
| |
| case htons(ETH_P_IPV6): |
| opts[1] |= TD1_IPv6_CS; |
| ip_protocol = ipv6_hdr(skb)->nexthdr; |
| break; |
| |
| default: |
| ip_protocol = IPPROTO_RAW; |
| break; |
| } |
| |
| if (ip_protocol == IPPROTO_TCP) |
| opts[1] |= TD1_TCP_CS; |
| else if (ip_protocol == IPPROTO_UDP) |
| opts[1] |= TD1_UDP_CS; |
| else |
| WARN_ON_ONCE(1); |
| |
| opts[1] |= transport_offset << TCPHO_SHIFT; |
| } else { |
| if (unlikely(rtl_test_hw_pad_bug(tp, skb))) |
| return !eth_skb_pad(skb); |
| } |
| |
| return true; |
| } |
| |
| static bool rtl_tx_slots_avail(struct rtl8169_private *tp, |
| unsigned int nr_frags) |
| { |
| unsigned int slots_avail = tp->dirty_tx + NUM_TX_DESC - tp->cur_tx; |
| |
| /* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */ |
| return slots_avail > nr_frags; |
| } |
| |
| 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; |
| struct device *d = tp_to_dev(tp); |
| dma_addr_t mapping; |
| u32 opts[2], len; |
| int frags; |
| |
| if (unlikely(!rtl_tx_slots_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; |
| |
| opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(skb)); |
| opts[0] = DescOwn; |
| |
| if (!tp->tso_csum(tp, skb, opts)) { |
| r8169_csum_workaround(tp, skb); |
| return NETDEV_TX_OK; |
| } |
| |
| 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); |
| |
| 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]); |
| |
| netdev_sent_queue(dev, skb->len); |
| |
| skb_tx_timestamp(skb); |
| |
| /* Force memory writes to complete before releasing descriptor */ |
| dma_wmb(); |
| |
| txd->opts1 = rtl8169_get_txd_opts1(opts[0], len, entry); |
| |
| /* Force all memory writes to complete before notifying device */ |
| wmb(); |
| |
| tp->cur_tx += frags + 1; |
| |
| RTL_W8(tp, TxPoll, NPQ); |
| |
| if (!rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) { |
| /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must |
| * not miss a ring update when it notices a stopped queue. |
| */ |
| smp_wmb(); |
| netif_stop_queue(dev); |
| /* Sync with rtl_tx: |
| * - publish queue status and cur_tx ring index (write barrier) |
| * - refresh dirty_tx ring index (read barrier). |
| * May the current thread have a pessimistic view of the ring |
| * status and forget to wake up queue, a racing rtl_tx thread |
| * can't. |
| */ |
| smp_mb(); |
| if (rtl_tx_slots_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_any(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)); |
| |
| rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); |
| } |
| |
| static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp, |
| int budget) |
| { |
| unsigned int dirty_tx, tx_left, bytes_compl = 0, pkts_compl = 0; |
| |
| 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; |
| |
| status = le32_to_cpu(tp->TxDescArray[entry].opts1); |
| if (status & DescOwn) |
| break; |
| |
| /* This barrier is needed to keep us from reading |
| * any other fields out of the Tx descriptor until |
| * we know the status of DescOwn |
| */ |
| dma_rmb(); |
| |
| rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb, |
| tp->TxDescArray + entry); |
| if (status & LastFrag) { |
| pkts_compl++; |
| bytes_compl += tx_skb->skb->len; |
| napi_consume_skb(tx_skb->skb, budget); |
| tx_skb->skb = NULL; |
| } |
| dirty_tx++; |
| tx_left--; |
| } |
| |
| if (tp->dirty_tx != dirty_tx) { |
| netdev_completed_queue(dev, pkts_compl, bytes_compl); |
| |
| u64_stats_update_begin(&tp->tx_stats.syncp); |
| tp->tx_stats.packets += pkts_compl; |
| tp->tx_stats.bytes += bytes_compl; |
| u64_stats_update_end(&tp->tx_stats.syncp); |
| |
| tp->dirty_tx = dirty_tx; |
| /* Sync with rtl8169_start_xmit: |
| * - publish dirty_tx ring index (write barrier) |
| * - refresh cur_tx ring index and queue status (read barrier) |
| * May the current thread miss the stopped queue condition, |
| * a racing xmit thread can only have a right view of the |
| * ring status. |
| */ |
| smp_mb(); |
| if (netif_queue_stopped(dev) && |
| rtl_tx_slots_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 |
| */ |
| if (tp->cur_tx != dirty_tx) |
| RTL_W8(tp, 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_to_dev(tp); |
| |
| dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE); |
| prefetch(data); |
| skb = napi_alloc_skb(&tp->napi, pkt_size); |
| if (skb) |
| skb_copy_to_linear_data(skb, data, pkt_size); |
| dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE); |
| |
| return skb; |
| } |
| |
| static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget) |
| { |
| unsigned int cur_rx, rx_left; |
| unsigned int count; |
| |
| cur_rx = tp->cur_rx; |
| |
| for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) { |
| unsigned int entry = cur_rx % NUM_RX_DESC; |
| struct RxDesc *desc = tp->RxDescArray + entry; |
| u32 status; |
| |
| status = le32_to_cpu(desc->opts1); |
| if (status & DescOwn) |
| break; |
| |
| /* This barrier is needed to keep us from reading |
| * any other fields out of the Rx descriptor until |
| * we know the status of DescOwn |
| */ |
| dma_rmb(); |
| |
| 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++; |
| /* RxFOVF is a reserved bit on later chip versions */ |
| if (tp->mac_version == RTL_GIGA_MAC_VER_01 && |
| status & RxFOVF) { |
| rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); |
| dev->stats.rx_fifo_errors++; |
| } else if (status & (RxRUNT | RxCRC) && |
| !(status & RxRWT) && |
| dev->features & NETIF_F_RXALL) { |
| goto process_pkt; |
| } |
| } else { |
| struct sk_buff *skb; |
| dma_addr_t addr; |
| int pkt_size; |
| |
| process_pkt: |
| addr = le64_to_cpu(desc->addr); |
| if (likely(!(dev->features & NETIF_F_RXFCS))) |
| pkt_size = (status & 0x00003fff) - 4; |
| else |
| pkt_size = status & 0x00003fff; |
| |
| /* |
| * 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++; |
| goto release_descriptor; |
| } |
| |
| skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry], |
| tp, pkt_size, addr); |
| if (!skb) { |
| dev->stats.rx_dropped++; |
| goto release_descriptor; |
| } |
| |
| rtl8169_rx_csum(skb, status); |
| skb_put(skb, pkt_size); |
| skb->protocol = eth_type_trans(skb, dev); |
| |
| rtl8169_rx_vlan_tag(desc, skb); |
| |
| if (skb->pkt_type == PACKET_MULTICAST) |
| dev->stats.multicast++; |
| |
| napi_gro_receive(&tp->napi, skb); |
| |
| u64_stats_update_begin(&tp->rx_stats.syncp); |
| tp->rx_stats.packets++; |
| tp->rx_stats.bytes += pkt_size; |
| u64_stats_update_end(&tp->rx_stats.syncp); |
| } |
| release_descriptor: |
| desc->opts2 = 0; |
| rtl8169_mark_to_asic(desc); |
| } |
| |
| count = cur_rx - tp->cur_rx; |
| tp->cur_rx = cur_rx; |
| |
| return count; |
| } |
| |
| static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) |
| { |
| struct rtl8169_private *tp = dev_instance; |
| u16 status = RTL_R16(tp, IntrStatus); |
| u16 irq_mask = RTL_R16(tp, IntrMask); |
| |
| if (status == 0xffff || !(status & irq_mask)) |
| return IRQ_NONE; |
| |
| if (unlikely(status & SYSErr)) { |
| rtl8169_pcierr_interrupt(tp->dev); |
| goto out; |
| } |
| |
| if (status & LinkChg) |
| phy_mac_interrupt(tp->phydev); |
| |
| if (unlikely(status & RxFIFOOver && |
| tp->mac_version == RTL_GIGA_MAC_VER_11)) { |
| netif_stop_queue(tp->dev); |
| /* XXX - Hack alert. See rtl_task(). */ |
| set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags); |
| } |
| |
| if (status & RTL_EVENT_NAPI) { |
| rtl_irq_disable(tp); |
| napi_schedule_irqoff(&tp->napi); |
| } |
| out: |
| rtl_ack_events(tp, status); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static void rtl_task(struct work_struct *work) |
| { |
| static const struct { |
| int bitnr; |
| void (*action)(struct rtl8169_private *); |
| } rtl_work[] = { |
| { RTL_FLAG_TASK_RESET_PENDING, rtl_reset_work }, |
| }; |
| struct rtl8169_private *tp = |
| container_of(work, struct rtl8169_private, wk.work); |
| struct net_device *dev = tp->dev; |
| int i; |
| |
| rtl_lock_work(tp); |
| |
| if (!netif_running(dev) || |
| !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags)) |
| goto out_unlock; |
| |
| for (i = 0; i < ARRAY_SIZE(rtl_work); i++) { |
| bool pending; |
| |
| pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags); |
| if (pending) |
| rtl_work[i].action(tp); |
| } |
| |
| out_unlock: |
| rtl_unlock_work(tp); |
| } |
| |
| 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; |
| int work_done; |
| |
| work_done = rtl_rx(dev, tp, (u32) budget); |
| |
| rtl_tx(dev, tp, budget); |
| |
| if (work_done < budget) { |
| napi_complete_done(napi, work_done); |
| rtl_irq_enable(tp); |
| } |
| |
| return work_done; |
| } |
| |
| static void rtl8169_rx_missed(struct net_device *dev) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| if (tp->mac_version > RTL_GIGA_MAC_VER_06) |
| return; |
| |
| dev->stats.rx_missed_errors += RTL_R32(tp, RxMissed) & 0xffffff; |
| RTL_W32(tp, RxMissed, 0); |
| } |
| |
| static void r8169_phylink_handler(struct net_device *ndev) |
| { |
| struct rtl8169_private *tp = netdev_priv(ndev); |
| |
| if (netif_carrier_ok(ndev)) { |
| rtl_link_chg_patch(tp); |
| pm_request_resume(&tp->pci_dev->dev); |
| } else { |
| pm_runtime_idle(&tp->pci_dev->dev); |
| } |
| |
| if (net_ratelimit()) |
| phy_print_status(tp->phydev); |
| } |
| |
| static int r8169_phy_connect(struct rtl8169_private *tp) |
| { |
| struct phy_device *phydev = tp->phydev; |
| phy_interface_t phy_mode; |
| int ret; |
| |
| phy_mode = tp->supports_gmii ? PHY_INTERFACE_MODE_GMII : |
| PHY_INTERFACE_MODE_MII; |
| |
| ret = phy_connect_direct(tp->dev, phydev, r8169_phylink_handler, |
| phy_mode); |
| if (ret) |
| return ret; |
| |
| if (!tp->supports_gmii) |
| phy_set_max_speed(phydev, SPEED_100); |
| |
| /* Ensure to advertise everything, incl. pause */ |
| linkmode_copy(phydev->advertising, phydev->supported); |
| |
| phy_attached_info(phydev); |
| |
| return 0; |
| } |
| |
| static void rtl8169_down(struct net_device *dev) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| phy_stop(tp->phydev); |
| |
| napi_disable(&tp->napi); |
| netif_stop_queue(dev); |
| |
| 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) |
| * and napi is disabled (rtl8169_poll). |
| */ |
| rtl8169_rx_missed(dev); |
| |
| /* Give a racing hard_start_xmit a few cycles to complete. */ |
| synchronize_rcu(); |
| |
| 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(tp); |
| |
| rtl_lock_work(tp); |
| /* Clear all task flags */ |
| bitmap_zero(tp->wk.flags, RTL_FLAG_MAX); |
| |
| rtl8169_down(dev); |
| rtl_unlock_work(tp); |
| |
| cancel_work_sync(&tp->wk.work); |
| |
| phy_disconnect(tp->phydev); |
| |
| pci_free_irq(pdev, 0, tp); |
| |
| 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; |
| } |
| |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| static void rtl8169_netpoll(struct net_device *dev) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| rtl8169_interrupt(pci_irq_vector(tp->pci_dev, 0), tp); |
| } |
| #endif |
| |
| static int rtl_open(struct net_device *dev) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| struct pci_dev *pdev = tp->pci_dev; |
| int retval = -ENOMEM; |
| |
| pm_runtime_get_sync(&pdev->dev); |
| |
| /* |
| * Rx and Tx descriptors 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(tp); |
| if (retval < 0) |
| goto err_free_rx_1; |
| |
| rtl_request_firmware(tp); |
| |
| retval = pci_request_irq(pdev, 0, rtl8169_interrupt, NULL, tp, |
| dev->name); |
| if (retval < 0) |
| goto err_release_fw_2; |
| |
| retval = r8169_phy_connect(tp); |
| if (retval) |
| goto err_free_irq; |
| |
| rtl_lock_work(tp); |
| |
| set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags); |
| |
| napi_enable(&tp->napi); |
| |
| rtl8169_init_phy(dev, tp); |
| |
| rtl_pll_power_up(tp); |
| |
| rtl_hw_start(tp); |
| |
| if (!rtl8169_init_counter_offsets(tp)) |
| netif_warn(tp, hw, dev, "counter reset/update failed\n"); |
| |
| phy_start(tp->phydev); |
| netif_start_queue(dev); |
| |
| rtl_unlock_work(tp); |
| |
| pm_runtime_put_sync(&pdev->dev); |
| out: |
| return retval; |
| |
| err_free_irq: |
| pci_free_irq(pdev, 0, tp); |
| 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 |
| rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| struct pci_dev *pdev = tp->pci_dev; |
| struct rtl8169_counters *counters = tp->counters; |
| unsigned int start; |
| |
| pm_runtime_get_noresume(&pdev->dev); |
| |
| if (netif_running(dev) && pm_runtime_active(&pdev->dev)) |
| rtl8169_rx_missed(dev); |
| |
| do { |
| start = u64_stats_fetch_begin_irq(&tp->rx_stats.syncp); |
| stats->rx_packets = tp->rx_stats.packets; |
| stats->rx_bytes = tp->rx_stats.bytes; |
| } while (u64_stats_fetch_retry_irq(&tp->rx_stats.syncp, start)); |
| |
| do { |
| start = u64_stats_fetch_begin_irq(&tp->tx_stats.syncp); |
| stats->tx_packets = tp->tx_stats.packets; |
| stats->tx_bytes = tp->tx_stats.bytes; |
| } while (u64_stats_fetch_retry_irq(&tp->tx_stats.syncp, start)); |
| |
| stats->rx_dropped = dev->stats.rx_dropped; |
| stats->tx_dropped = dev->stats.tx_dropped; |
| stats->rx_length_errors = dev->stats.rx_length_errors; |
| stats->rx_errors = dev->stats.rx_errors; |
| stats->rx_crc_errors = dev->stats.rx_crc_errors; |
| stats->rx_fifo_errors = dev->stats.rx_fifo_errors; |
| stats->rx_missed_errors = dev->stats.rx_missed_errors; |
| stats->multicast = dev->stats.multicast; |
| |
| /* |
| * Fetch additonal counter values missing in stats collected by driver |
| * from tally counters. |
| */ |
| if (pm_runtime_active(&pdev->dev)) |
| rtl8169_update_counters(tp); |
| |
| /* |
| * Subtract values fetched during initalization. |
| * See rtl8169_init_counter_offsets for a description why we do that. |
| */ |
| stats->tx_errors = le64_to_cpu(counters->tx_errors) - |
| le64_to_cpu(tp->tc_offset.tx_errors); |
| stats->collisions = le32_to_cpu(counters->tx_multi_collision) - |
| le32_to_cpu(tp->tc_offset.tx_multi_collision); |
| stats->tx_aborted_errors = le16_to_cpu(counters->tx_aborted) - |
| le16_to_cpu(tp->tc_offset.tx_aborted); |
| |
| pm_runtime_put_noidle(&pdev->dev); |
| } |
| |
| static void rtl8169_net_suspend(struct net_device *dev) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| if (!netif_running(dev)) |
| return; |
| |
| phy_stop(tp->phydev); |
| netif_device_detach(dev); |
| |
| rtl_lock_work(tp); |
| napi_disable(&tp->napi); |
| /* Clear all task flags */ |
| bitmap_zero(tp->wk.flags, RTL_FLAG_MAX); |
| |
| rtl_unlock_work(tp); |
| |
| rtl_pll_power_down(tp); |
| } |
| |
| #ifdef CONFIG_PM |
| |
| static int rtl8169_suspend(struct device *device) |
| { |
| struct net_device *dev = dev_get_drvdata(device); |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| rtl8169_net_suspend(dev); |
| clk_disable_unprepare(tp->clk); |
| |
| 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_init_phy(dev, tp); |
| |
| phy_start(tp->phydev); |
| |
| rtl_lock_work(tp); |
| napi_enable(&tp->napi); |
| set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags); |
| rtl_reset_work(tp); |
| rtl_unlock_work(tp); |
| } |
| |
| static int rtl8169_resume(struct device *device) |
| { |
| struct net_device *dev = dev_get_drvdata(device); |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| clk_prepare_enable(tp->clk); |
| |
| if (netif_running(dev)) |
| __rtl8169_resume(dev); |
| |
| return 0; |
| } |
| |
| static int rtl8169_runtime_suspend(struct device *device) |
| { |
| struct net_device *dev = dev_get_drvdata(device); |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| if (!tp->TxDescArray) |
| return 0; |
| |
| rtl_lock_work(tp); |
| __rtl8169_set_wol(tp, WAKE_ANY); |
| rtl_unlock_work(tp); |
| |
| rtl8169_net_suspend(dev); |
| |
| /* Update counters before going runtime suspend */ |
| rtl8169_rx_missed(dev); |
| rtl8169_update_counters(tp); |
| |
| return 0; |
| } |
| |
| static int rtl8169_runtime_resume(struct device *device) |
| { |
| struct net_device *dev = dev_get_drvdata(device); |
| struct rtl8169_private *tp = netdev_priv(dev); |
| rtl_rar_set(tp, dev->dev_addr); |
| |
| if (!tp->TxDescArray) |
| return 0; |
| |
| rtl_lock_work(tp); |
| __rtl8169_set_wol(tp, tp->saved_wolopts); |
| rtl_unlock_work(tp); |
| |
| __rtl8169_resume(dev); |
| |
| return 0; |
| } |
| |
| static int rtl8169_runtime_idle(struct device *device) |
| { |
| struct net_device *dev = dev_get_drvdata(device); |
| |
| if (!netif_running(dev) || !netif_carrier_ok(dev)) |
| pm_schedule_suspend(device, 10000); |
| |
| return -EBUSY; |
| } |
| |
| 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_wol_shutdown_quirk(struct rtl8169_private *tp) |
| { |
| /* WoL fails with 8168b when the receiver is disabled. */ |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_11: |
| case RTL_GIGA_MAC_VER_12: |
| case RTL_GIGA_MAC_VER_17: |
| pci_clear_master(tp->pci_dev); |
| |
| RTL_W8(tp, ChipCmd, CmdRxEnb); |
| /* PCI commit */ |
| RTL_R8(tp, ChipCmd); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void rtl_shutdown(struct pci_dev *pdev) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| rtl8169_net_suspend(dev); |
| |
| /* Restore original MAC address */ |
| rtl_rar_set(tp, dev->perm_addr); |
| |
| rtl8169_hw_reset(tp); |
| |
| if (system_state == SYSTEM_POWER_OFF) { |
| if (tp->saved_wolopts) { |
| rtl_wol_suspend_quirk(tp); |
| rtl_wol_shutdown_quirk(tp); |
| } |
| |
| pci_wake_from_d3(pdev, true); |
| pci_set_power_state(pdev, PCI_D3hot); |
| } |
| } |
| |
| static void rtl_remove_one(struct pci_dev *pdev) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| if (r8168_check_dash(tp)) |
| rtl8168_driver_stop(tp); |
| |
| netif_napi_del(&tp->napi); |
| |
| unregister_netdev(dev); |
| mdiobus_unregister(tp->phydev->mdio.bus); |
| |
| 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); |
| } |
| |
| static const struct net_device_ops rtl_netdev_ops = { |
| .ndo_open = rtl_open, |
| .ndo_stop = rtl8169_close, |
| .ndo_get_stats64 = rtl8169_get_stats64, |
| .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_rx_mode = rtl_set_rx_mode, |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| .ndo_poll_controller = rtl8169_netpoll, |
| #endif |
| |
| }; |
| |
| static const struct rtl_cfg_info { |
| void (*hw_start)(struct rtl8169_private *tp); |
| u16 irq_mask; |
| unsigned int has_gmii:1; |
| const struct rtl_coalesce_info *coalesce_info; |
| } rtl_cfg_infos [] = { |
| [RTL_CFG_0] = { |
| .hw_start = rtl_hw_start_8169, |
| .irq_mask = SYSErr | LinkChg | RxOverflow | RxFIFOOver, |
| .has_gmii = 1, |
| .coalesce_info = rtl_coalesce_info_8169, |
| }, |
| [RTL_CFG_1] = { |
| .hw_start = rtl_hw_start_8168, |
| .irq_mask = LinkChg | RxOverflow, |
| .has_gmii = 1, |
| .coalesce_info = rtl_coalesce_info_8168_8136, |
| }, |
| [RTL_CFG_2] = { |
| .hw_start = rtl_hw_start_8101, |
| .irq_mask = LinkChg | RxOverflow | RxFIFOOver, |
| .coalesce_info = rtl_coalesce_info_8168_8136, |
| } |
| }; |
| |
| static int rtl_alloc_irq(struct rtl8169_private *tp) |
| { |
| unsigned int flags; |
| |
| if (tp->mac_version <= RTL_GIGA_MAC_VER_06) { |
| rtl_unlock_config_regs(tp); |
| RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~MSIEnable); |
| rtl_lock_config_regs(tp); |
| flags = PCI_IRQ_LEGACY; |
| } else { |
| flags = PCI_IRQ_ALL_TYPES; |
| } |
| |
| return pci_alloc_irq_vectors(tp->pci_dev, 1, 1, flags); |
| } |
| |
| static void rtl_read_mac_address(struct rtl8169_private *tp, |
| u8 mac_addr[ETH_ALEN]) |
| { |
| u32 value; |
| |
| /* Get MAC address */ |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_35 ... RTL_GIGA_MAC_VER_38: |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: |
| value = rtl_eri_read(tp, 0xe0, ERIAR_EXGMAC); |
| mac_addr[0] = (value >> 0) & 0xff; |
| mac_addr[1] = (value >> 8) & 0xff; |
| mac_addr[2] = (value >> 16) & 0xff; |
| mac_addr[3] = (value >> 24) & 0xff; |
| |
| value = rtl_eri_read(tp, 0xe4, ERIAR_EXGMAC); |
| mac_addr[4] = (value >> 0) & 0xff; |
| mac_addr[5] = (value >> 8) & 0xff; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| DECLARE_RTL_COND(rtl_link_list_ready_cond) |
| { |
| return RTL_R8(tp, MCU) & LINK_LIST_RDY; |
| } |
| |
| DECLARE_RTL_COND(rtl_rxtx_empty_cond) |
| { |
| return (RTL_R8(tp, MCU) & RXTX_EMPTY) == RXTX_EMPTY; |
| } |
| |
| static int r8169_mdio_read_reg(struct mii_bus *mii_bus, int phyaddr, int phyreg) |
| { |
| struct rtl8169_private *tp = mii_bus->priv; |
| |
| if (phyaddr > 0) |
| return -ENODEV; |
| |
| return rtl_readphy(tp, phyreg); |
| } |
| |
| static int r8169_mdio_write_reg(struct mii_bus *mii_bus, int phyaddr, |
| int phyreg, u16 val) |
| { |
| struct rtl8169_private *tp = mii_bus->priv; |
| |
| if (phyaddr > 0) |
| return -ENODEV; |
| |
| rtl_writephy(tp, phyreg, val); |
| |
| return 0; |
| } |
| |
| static int r8169_mdio_register(struct rtl8169_private *tp) |
| { |
| struct pci_dev *pdev = tp->pci_dev; |
| struct mii_bus *new_bus; |
| int ret; |
| |
| new_bus = devm_mdiobus_alloc(&pdev->dev); |
| if (!new_bus) |
| return -ENOMEM; |
| |
| new_bus->name = "r8169"; |
| new_bus->priv = tp; |
| new_bus->parent = &pdev->dev; |
| new_bus->irq[0] = PHY_IGNORE_INTERRUPT; |
| snprintf(new_bus->id, MII_BUS_ID_SIZE, "r8169-%x", |
| PCI_DEVID(pdev->bus->number, pdev->devfn)); |
| |
| new_bus->read = r8169_mdio_read_reg; |
| new_bus->write = r8169_mdio_write_reg; |
| |
| ret = mdiobus_register(new_bus); |
| if (ret) |
| return ret; |
| |
| tp->phydev = mdiobus_get_phy(new_bus, 0); |
| if (!tp->phydev) { |
| mdiobus_unregister(new_bus); |
| return -ENODEV; |
| } |
| |
| /* PHY will be woken up in rtl_open() */ |
| phy_suspend(tp->phydev); |
| |
| return 0; |
| } |
| |
| static void rtl_hw_init_8168g(struct rtl8169_private *tp) |
| { |
| u32 data; |
| |
| tp->ocp_base = OCP_STD_PHY_BASE; |
| |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN); |
| |
| if (!rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42)) |
| return; |
| |
| if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42)) |
| return; |
| |
| RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) & ~(CmdTxEnb | CmdRxEnb)); |
| msleep(1); |
| RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); |
| |
| data = r8168_mac_ocp_read(tp, 0xe8de); |
| data &= ~(1 << 14); |
| r8168_mac_ocp_write(tp, 0xe8de, data); |
| |
| if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42)) |
| return; |
| |
| data = r8168_mac_ocp_read(tp, 0xe8de); |
| data |= (1 << 15); |
| r8168_mac_ocp_write(tp, 0xe8de, data); |
| |
| if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42)) |
| return; |
| } |
| |
| static void rtl_hw_init_8168ep(struct rtl8169_private *tp) |
| { |
| rtl8168ep_stop_cmac(tp); |
| rtl_hw_init_8168g(tp); |
| } |
| |
| static void rtl_hw_initialize(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48: |
| rtl_hw_init_8168g(tp); |
| break; |
| case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_51: |
| rtl_hw_init_8168ep(tp); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /* Versions RTL8102e and from RTL8168c onwards support csum_v2 */ |
| static bool rtl_chip_supports_csum_v2(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: |
| case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17: |
| return false; |
| default: |
| return true; |
| } |
| } |
| |
| static int rtl_jumbo_max(struct rtl8169_private *tp) |
| { |
| /* Non-GBit versions don't support jumbo frames */ |
| if (!tp->supports_gmii) |
| return JUMBO_1K; |
| |
| switch (tp->mac_version) { |
| /* RTL8169 */ |
| case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: |
| return JUMBO_7K; |
| /* RTL8168b */ |
| case RTL_GIGA_MAC_VER_11: |
| case RTL_GIGA_MAC_VER_12: |
| case RTL_GIGA_MAC_VER_17: |
| return JUMBO_4K; |
| /* RTL8168c */ |
| case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24: |
| return JUMBO_6K; |
| default: |
| return JUMBO_9K; |
| } |
| } |
| |
| static void rtl_disable_clk(void *data) |
| { |
| clk_disable_unprepare(data); |
| } |
| |
| static int rtl_get_ether_clk(struct rtl8169_private *tp) |
| { |
| struct device *d = tp_to_dev(tp); |
| struct clk *clk; |
| int rc; |
| |
| clk = devm_clk_get(d, "ether_clk"); |
| if (IS_ERR(clk)) { |
| rc = PTR_ERR(clk); |
| if (rc == -ENOENT) |
| /* clk-core allows NULL (for suspend / resume) */ |
| rc = 0; |
| else if (rc != -EPROBE_DEFER) |
| dev_err(d, "failed to get clk: %d\n", rc); |
| } else { |
| tp->clk = clk; |
| rc = clk_prepare_enable(clk); |
| if (rc) |
| dev_err(d, "failed to enable clk: %d\n", rc); |
| else |
| rc = devm_add_action_or_reset(d, rtl_disable_clk, clk); |
| } |
| |
| return rc; |
| } |
| |
| static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
| { |
| const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data; |
| /* align to u16 for is_valid_ether_addr() */ |
| u8 mac_addr[ETH_ALEN] __aligned(2) = {}; |
| struct rtl8169_private *tp; |
| struct net_device *dev; |
| int chipset, region, i; |
| int jumbo_max, rc; |
| |
| dev = devm_alloc_etherdev(&pdev->dev, sizeof (*tp)); |
| if (!dev) |
| return -ENOMEM; |
| |
| SET_NETDEV_DEV(dev, &pdev->dev); |
| dev->netdev_ops = &rtl_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); |
| tp->supports_gmii = cfg->has_gmii; |
| |
| /* Get the *optional* external "ether_clk" used on some boards */ |
| rc = rtl_get_ether_clk(tp); |
| if (rc) |
| return rc; |
| |
| /* enable device (incl. PCI PM wakeup and hotplug setup) */ |
| rc = pcim_enable_device(pdev); |
| if (rc < 0) { |
| dev_err(&pdev->dev, "enable failure\n"); |
| return rc; |
| } |
| |
| if (pcim_set_mwi(pdev) < 0) |
| dev_info(&pdev->dev, "Mem-Wr-Inval unavailable\n"); |
| |
| /* use first MMIO region */ |
| region = ffs(pci_select_bars(pdev, IORESOURCE_MEM)) - 1; |
| if (region < 0) { |
| dev_err(&pdev->dev, "no MMIO resource found\n"); |
| return -ENODEV; |
| } |
| |
| /* check for weird/broken PCI region reporting */ |
| if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) { |
| dev_err(&pdev->dev, "Invalid PCI region size(s), aborting\n"); |
| return -ENODEV; |
| } |
| |
| rc = pcim_iomap_regions(pdev, BIT(region), MODULENAME); |
| if (rc < 0) { |
| dev_err(&pdev->dev, "cannot remap MMIO, aborting\n"); |
| return rc; |
| } |
| |
| tp->mmio_addr = pcim_iomap_table(pdev)[region]; |
| |
| /* Identify chip attached to board */ |
| rtl8169_get_mac_version(tp); |
| if (tp->mac_version == RTL_GIGA_MAC_NONE) |
| return -ENODEV; |
| |
| if (rtl_tbi_enabled(tp)) { |
| dev_err(&pdev->dev, "TBI fiber mode not supported\n"); |
| return -ENODEV; |
| } |
| |
| tp->cp_cmd = RTL_R16(tp, CPlusCmd); |
| |
| if (sizeof(dma_addr_t) > 4 && tp->mac_version >= RTL_GIGA_MAC_VER_18 && |
| !dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) { |
| dev->features |= NETIF_F_HIGHDMA; |
| } else { |
| rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
| if (rc < 0) { |
| dev_err(&pdev->dev, "DMA configuration failed\n"); |
| return rc; |
| } |
| } |
| |
| rtl_init_rxcfg(tp); |
| |
| rtl8169_irq_mask_and_ack(tp); |
| |
| rtl_hw_initialize(tp); |
| |
| rtl_hw_reset(tp); |
| |
| pci_set_master(pdev); |
| |
| rtl_init_mdio_ops(tp); |
| rtl_init_jumbo_ops(tp); |
| |
| chipset = tp->mac_version; |
| |
| rc = rtl_alloc_irq(tp); |
| if (rc < 0) { |
| dev_err(&pdev->dev, "Can't allocate interrupt\n"); |
| return rc; |
| } |
| |
| mutex_init(&tp->wk.mutex); |
| INIT_WORK(&tp->wk.work, rtl_task); |
| u64_stats_init(&tp->rx_stats.syncp); |
| u64_stats_init(&tp->tx_stats.syncp); |
| |
| /* get MAC address */ |
| rc = eth_platform_get_mac_address(&pdev->dev, mac_addr); |
| if (rc) |
| rtl_read_mac_address(tp, mac_addr); |
| |
| if (is_valid_ether_addr(mac_addr)) |
| rtl_rar_set(tp, mac_addr); |
| |
| for (i = 0; i < ETH_ALEN; i++) |
| dev->dev_addr[i] = RTL_R8(tp, MAC0 + i); |
| |
| dev->ethtool_ops = &rtl8169_ethtool_ops; |
| |
| netif_napi_add(dev, &tp->napi, rtl8169_poll, NAPI_POLL_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_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; |
| |
| dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | |
| NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX | |
| NETIF_F_HW_VLAN_CTAG_RX; |
| dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | |
| NETIF_F_HIGHDMA; |
| dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; |
| |
| tp->cp_cmd |= RxChkSum | RxVlan; |
| |
| /* |
| * 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) |
| /* Disallow toggling */ |
| dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX; |
| |
| if (rtl_chip_supports_csum_v2(tp)) { |
| tp->tso_csum = rtl8169_tso_csum_v2; |
| dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6; |
| } else { |
| tp->tso_csum = rtl8169_tso_csum_v1; |
| } |
| |
| dev->hw_features |= NETIF_F_RXALL; |
| dev->hw_features |= NETIF_F_RXFCS; |
| |
| /* MTU range: 60 - hw-specific max */ |
| dev->min_mtu = ETH_ZLEN; |
| jumbo_max = rtl_jumbo_max(tp); |
| dev->max_mtu = jumbo_max; |
| |
| tp->hw_start = cfg->hw_start; |
| tp->irq_mask = RTL_EVENT_NAPI | cfg->irq_mask; |
| tp->coalesce_info = cfg->coalesce_info; |
| |
| tp->fw_name = rtl_chip_infos[chipset].fw_name; |
| |
| tp->counters = dmam_alloc_coherent (&pdev->dev, sizeof(*tp->counters), |
| &tp->counters_phys_addr, |
| GFP_KERNEL); |
| if (!tp->counters) |
| return -ENOMEM; |
| |
| pci_set_drvdata(pdev, dev); |
| |
| rc = r8169_mdio_register(tp); |
| if (rc) |
| return rc; |
| |
| /* chip gets powered up in rtl_open() */ |
| rtl_pll_power_down(tp); |
| |
| rc = register_netdev(dev); |
| if (rc) |
| goto err_mdio_unregister; |
| |
| netif_info(tp, probe, dev, "%s, %pM, XID %03x, IRQ %d\n", |
| rtl_chip_infos[chipset].name, dev->dev_addr, |
| (RTL_R32(tp, TxConfig) >> 20) & 0xfcf, |
| pci_irq_vector(pdev, 0)); |
| |
| if (jumbo_max > JUMBO_1K) |
| netif_info(tp, probe, dev, |
| "jumbo features [frames: %d bytes, tx checksumming: %s]\n", |
| jumbo_max, tp->mac_version <= RTL_GIGA_MAC_VER_06 ? |
| "ok" : "ko"); |
| |
| if (r8168_check_dash(tp)) |
| rtl8168_driver_start(tp); |
| |
| if (pci_dev_run_wake(pdev)) |
| pm_runtime_put_sync(&pdev->dev); |
| |
| return 0; |
| |
| err_mdio_unregister: |
| mdiobus_unregister(tp->phydev->mdio.bus); |
| return rc; |
| } |
| |
| static struct pci_driver rtl8169_pci_driver = { |
| .name = MODULENAME, |
| .id_table = rtl8169_pci_tbl, |
| .probe = rtl_init_one, |
| .remove = rtl_remove_one, |
| .shutdown = rtl_shutdown, |
| .driver.pm = RTL8169_PM_OPS, |
| }; |
| |
| module_pci_driver(rtl8169_pci_driver); |
