| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * 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/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/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/bitfield.h> |
| #include <linux/prefetch.h> |
| #include <linux/ipv6.h> |
| #include <asm/unaligned.h> |
| #include <net/ip6_checksum.h> |
| |
| #include "r8169.h" |
| #include "r8169_firmware.h" |
| |
| #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_8168FP_3 "rtl_nic/rtl8168fp-3.fw" |
| #define FIRMWARE_8107E_1 "rtl_nic/rtl8107e-1.fw" |
| #define FIRMWARE_8107E_2 "rtl_nic/rtl8107e-2.fw" |
| #define FIRMWARE_8125A_3 "rtl_nic/rtl8125a-3.fw" |
| #define FIRMWARE_8125B_2 "rtl_nic/rtl8125b-2.fw" |
| |
| /* 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. */ |
| #define MC_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 256 /* Number of Tx descriptor registers */ |
| #define NUM_RX_DESC 256 /* 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)) |
| |
| #define OCP_STD_PHY_BASE 0xa400 |
| |
| #define RTL_CFG_NO_GBIT 1 |
| |
| /* 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)) |
| |
| #define JUMBO_4K (4 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN) |
| #define JUMBO_6K (6 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN) |
| #define JUMBO_7K (7 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN) |
| #define JUMBO_9K (9 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN) |
| |
| static const struct { |
| const char *name; |
| const char *fw_name; |
| } rtl_chip_infos[] = { |
| /* PCI devices. */ |
| [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/RTL8103e" }, |
| [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/RTL8100e" }, |
| [RTL_GIGA_MAC_VER_14] = {"RTL8401" }, |
| [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_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] = {"RTL8168gu/8111gu", FIRMWARE_8168G_3}, |
| [RTL_GIGA_MAC_VER_43] = {"RTL8106eus", FIRMWARE_8106E_2}, |
| [RTL_GIGA_MAC_VER_44] = {"RTL8411b", 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" }, |
| [RTL_GIGA_MAC_VER_52] = {"RTL8168fp/RTL8117", FIRMWARE_8168FP_3}, |
| [RTL_GIGA_MAC_VER_53] = {"RTL8168fp/RTL8117", }, |
| [RTL_GIGA_MAC_VER_60] = {"RTL8125A" }, |
| [RTL_GIGA_MAC_VER_61] = {"RTL8125A", FIRMWARE_8125A_3}, |
| /* reserve 62 for CFG_METHOD_4 in the vendor driver */ |
| [RTL_GIGA_MAC_VER_63] = {"RTL8125B", FIRMWARE_8125B_2}, |
| }; |
| |
| static const struct pci_device_id rtl8169_pci_tbl[] = { |
| { PCI_VDEVICE(REALTEK, 0x2502) }, |
| { PCI_VDEVICE(REALTEK, 0x2600) }, |
| { PCI_VDEVICE(REALTEK, 0x8129) }, |
| { PCI_VDEVICE(REALTEK, 0x8136), RTL_CFG_NO_GBIT }, |
| { PCI_VDEVICE(REALTEK, 0x8161) }, |
| { PCI_VDEVICE(REALTEK, 0x8162) }, |
| { PCI_VDEVICE(REALTEK, 0x8167) }, |
| { PCI_VDEVICE(REALTEK, 0x8168) }, |
| { PCI_VDEVICE(NCUBE, 0x8168) }, |
| { PCI_VDEVICE(REALTEK, 0x8169) }, |
| { PCI_VENDOR_ID_DLINK, 0x4300, |
| PCI_VENDOR_ID_DLINK, 0x4b10, 0, 0 }, |
| { PCI_VDEVICE(DLINK, 0x4300) }, |
| { PCI_VDEVICE(DLINK, 0x4302) }, |
| { PCI_VDEVICE(AT, 0xc107) }, |
| { PCI_VDEVICE(USR, 0x0116) }, |
| { PCI_VENDOR_ID_LINKSYS, 0x1032, PCI_ANY_ID, 0x0024 }, |
| { 0x0001, 0x8168, PCI_ANY_ID, 0x2410 }, |
| { PCI_VDEVICE(REALTEK, 0x8125) }, |
| { PCI_VDEVICE(REALTEK, 0x3000) }, |
| {} |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl); |
| |
| 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) |
| |
| Cfg9346 = 0x50, |
| Config0 = 0x51, |
| Config1 = 0x52, |
| Config2 = 0x53, |
| #define PME_SIGNAL (1 << 5) /* 8168c and later */ |
| |
| Config3 = 0x54, |
| Config4 = 0x55, |
| Config5 = 0x56, |
| PHYAR = 0x60, |
| PHYstatus = 0x6c, |
| RxMaxSize = 0xda, |
| CPlusCmd = 0xe0, |
| IntrMitigate = 0xe2, |
| |
| #define RTL_COALESCE_TX_USECS GENMASK(15, 12) |
| #define RTL_COALESCE_TX_FRAMES GENMASK(11, 8) |
| #define RTL_COALESCE_RX_USECS GENMASK(7, 4) |
| #define RTL_COALESCE_RX_FRAMES GENMASK(3, 0) |
| |
| #define RTL_COALESCE_T_MAX 0x0fU |
| #define RTL_COALESCE_FRAME_MAX (RTL_COALESCE_T_MAX * 4) |
| |
| 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, |
| #define D3COLD_NO_PLL_DOWN BIT(7) |
| #define D3HOT_NO_PLL_DOWN BIT(6) |
| #define D3_NO_PLL_DOWN (BIT(7) | BIT(6)) |
| 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 rtl8125_registers { |
| IntrMask_8125 = 0x38, |
| IntrStatus_8125 = 0x3c, |
| TxPoll_8125 = 0x90, |
| MAC0_BKP = 0x19e0, |
| EEE_TXIDLE_TIMER_8125 = 0x6048, |
| }; |
| |
| #define RX_VLAN_INNER_8125 BIT(22) |
| #define RX_VLAN_OUTER_8125 BIT(23) |
| #define RX_VLAN_8125 (RX_VLAN_INNER_8125 | RX_VLAN_OUTER_8125) |
| |
| #define RX_FETCH_DFLT_8125 (8 << 27) |
| |
| 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 */ |
| 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, |
| #define RX_CONFIG_ACCEPT_ERR_MASK 0x30 |
| AcceptBroadcast = 0x08, |
| AcceptMulticast = 0x04, |
| AcceptMyPhys = 0x02, |
| AcceptAllPhys = 0x01, |
| #define RX_CONFIG_ACCEPT_OK_MASK 0x0f |
| #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 |
| EnAnaPLL = (1 << 14), // 8169 |
| 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) |
| #define CPCMD_MASK (Normal_mode | RxVlan | RxChkSum | INTT_MASK) |
| |
| /* rtl8169_PHYstatus */ |
| TBI_Enable = 0x80, |
| TxFlowCtrl = 0x40, |
| RxFlowCtrl = 0x20, |
| _1000bpsF = 0x10, |
| _100bps = 0x08, |
| _10bps = 0x04, |
| LinkStatus = 0x02, |
| FullDup = 0x01, |
| |
| /* 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 0x7f |
| |
| /* Second doubleword. */ |
| #define TCPHO_SHIFT 18 |
| #define TCPHO_MAX 0x3ff |
| #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 */ |
| |
| #define RxCSFailMask (IPFail | UDPFail | TCPFail) |
| |
| RxVlanTag = (1 << 16), /* VLAN tag available */ |
| }; |
| |
| #define RTL_GSO_MAX_SIZE_V1 32000 |
| #define RTL_GSO_MAX_SEGS_V1 24 |
| #define RTL_GSO_MAX_SIZE_V2 64000 |
| #define RTL_GSO_MAX_SEGS_V2 64 |
| |
| 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; |
| __le16 rx_missed; |
| }; |
| |
| enum rtl_flag { |
| RTL_FLAG_TASK_ENABLED = 0, |
| RTL_FLAG_TASK_RESET_PENDING, |
| RTL_FLAG_MAX |
| }; |
| |
| enum rtl_dash_type { |
| RTL_DASH_NONE, |
| RTL_DASH_DP, |
| RTL_DASH_EP, |
| }; |
| |
| 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; |
| enum mac_version mac_version; |
| enum rtl_dash_type dash_type; |
| 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 TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */ |
| struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */ |
| dma_addr_t TxPhyAddr; |
| dma_addr_t RxPhyAddr; |
| struct page *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */ |
| struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */ |
| u16 cp_cmd; |
| u32 irq_mask; |
| int irq; |
| struct clk *clk; |
| |
| struct { |
| DECLARE_BITMAP(flags, RTL_FLAG_MAX); |
| struct work_struct work; |
| } wk; |
| |
| unsigned supports_gmii:1; |
| unsigned aspm_manageable:1; |
| dma_addr_t counters_phys_addr; |
| struct rtl8169_counters *counters; |
| struct rtl8169_tc_offsets tc_offset; |
| u32 saved_wolopts; |
| int eee_adv; |
| |
| const char *fw_name; |
| struct rtl_fw *rtl_fw; |
| |
| u32 ocp_base; |
| }; |
| |
| typedef void (*rtl_generic_fct)(struct rtl8169_private *tp); |
| |
| MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>"); |
| MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver"); |
| MODULE_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_8168FP_3); |
| MODULE_FIRMWARE(FIRMWARE_8107E_1); |
| MODULE_FIRMWARE(FIRMWARE_8107E_2); |
| MODULE_FIRMWARE(FIRMWARE_8125A_3); |
| MODULE_FIRMWARE(FIRMWARE_8125B_2); |
| |
| static inline struct device *tp_to_dev(struct rtl8169_private *tp) |
| { |
| return &tp->pci_dev->dev; |
| } |
| |
| 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_pci_commit(struct rtl8169_private *tp) |
| { |
| /* Read an arbitrary register to commit a preceding PCI write */ |
| RTL_R8(tp, ChipCmd); |
| } |
| |
| static bool rtl_is_8125(struct rtl8169_private *tp) |
| { |
| return tp->mac_version >= RTL_GIGA_MAC_VER_60; |
| } |
| |
| static bool rtl_is_8168evl_up(struct rtl8169_private *tp) |
| { |
| return tp->mac_version >= RTL_GIGA_MAC_VER_34 && |
| tp->mac_version != RTL_GIGA_MAC_VER_39 && |
| tp->mac_version <= RTL_GIGA_MAC_VER_53; |
| } |
| |
| static bool rtl_supports_eee(struct rtl8169_private *tp) |
| { |
| return tp->mac_version >= RTL_GIGA_MAC_VER_34 && |
| tp->mac_version != RTL_GIGA_MAC_VER_37 && |
| tp->mac_version != RTL_GIGA_MAC_VER_39; |
| } |
| |
| static void rtl_read_mac_from_reg(struct rtl8169_private *tp, u8 *mac, int reg) |
| { |
| int i; |
| |
| for (i = 0; i < ETH_ALEN; i++) |
| mac[i] = RTL_R8(tp, reg + i); |
| } |
| |
| struct rtl_cond { |
| bool (*check)(struct rtl8169_private *); |
| const char *msg; |
| }; |
| |
| static bool rtl_loop_wait(struct rtl8169_private *tp, const struct rtl_cond *c, |
| unsigned long usecs, int n, bool high) |
| { |
| int i; |
| |
| for (i = 0; i < n; i++) { |
| if (c->check(tp) == high) |
| return true; |
| fsleep(usecs); |
| } |
| |
| if (net_ratelimit()) |
| netdev_err(tp->dev, "%s == %d (loop: %d, delay: %lu).\n", |
| c->msg, !high, n, usecs); |
| return false; |
| } |
| |
| static bool rtl_loop_wait_high(struct rtl8169_private *tp, |
| const struct rtl_cond *c, |
| unsigned long d, int n) |
| { |
| return rtl_loop_wait(tp, c, d, n, true); |
| } |
| |
| static bool rtl_loop_wait_low(struct rtl8169_private *tp, |
| const struct rtl_cond *c, |
| unsigned long d, int n) |
| { |
| return rtl_loop_wait(tp, c, 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 void r8168fp_adjust_ocp_cmd(struct rtl8169_private *tp, u32 *cmd, int type) |
| { |
| /* based on RTL8168FP_OOBMAC_BASE in vendor driver */ |
| if (type == ERIAR_OOB && |
| (tp->mac_version == RTL_GIGA_MAC_VER_52 || |
| tp->mac_version == RTL_GIGA_MAC_VER_53)) |
| *cmd |= 0xf70 << 18; |
| } |
| |
| 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) |
| { |
| u32 cmd = ERIAR_WRITE_CMD | type | mask | addr; |
| |
| if (WARN(addr & 3 || !mask, "addr: 0x%x, mask: 0x%08x\n", addr, mask)) |
| return; |
| |
| RTL_W32(tp, ERIDR, val); |
| r8168fp_adjust_ocp_cmd(tp, &cmd, type); |
| RTL_W32(tp, ERIAR, cmd); |
| |
| rtl_loop_wait_low(tp, &rtl_eriar_cond, 100, 100); |
| } |
| |
| static void rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask, |
| u32 val) |
| { |
| _rtl_eri_write(tp, addr, mask, val, ERIAR_EXGMAC); |
| } |
| |
| static u32 _rtl_eri_read(struct rtl8169_private *tp, int addr, int type) |
| { |
| u32 cmd = ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr; |
| |
| r8168fp_adjust_ocp_cmd(tp, &cmd, type); |
| RTL_W32(tp, ERIAR, cmd); |
| |
| return rtl_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ? |
| RTL_R32(tp, ERIDR) : ~0; |
| } |
| |
| static u32 rtl_eri_read(struct rtl8169_private *tp, int addr) |
| { |
| return _rtl_eri_read(tp, addr, ERIAR_EXGMAC); |
| } |
| |
| static void rtl_w0w1_eri(struct rtl8169_private *tp, int addr, u32 p, u32 m) |
| { |
| u32 val = rtl_eri_read(tp, addr); |
| |
| rtl_eri_write(tp, addr, ERIAR_MASK_1111, (val & ~m) | p); |
| } |
| |
| static void rtl_eri_set_bits(struct rtl8169_private *tp, int addr, u32 p) |
| { |
| rtl_w0w1_eri(tp, addr, p, 0); |
| } |
| |
| static void rtl_eri_clear_bits(struct rtl8169_private *tp, int addr, u32 m) |
| { |
| rtl_w0w1_eri(tp, addr, 0, m); |
| } |
| |
| static bool rtl_ocp_reg_failure(u32 reg) |
| { |
| return WARN_ONCE(reg & 0xffff0001, "Invalid ocp reg %x!\n", reg); |
| } |
| |
| 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(reg)) |
| return; |
| |
| RTL_W32(tp, GPHY_OCP, OCPAR_FLAG | (reg << 15) | data); |
| |
| rtl_loop_wait_low(tp, &rtl_ocp_gphy_cond, 25, 10); |
| } |
| |
| static int r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg) |
| { |
| if (rtl_ocp_reg_failure(reg)) |
| return 0; |
| |
| RTL_W32(tp, GPHY_OCP, reg << 15); |
| |
| return rtl_loop_wait_high(tp, &rtl_ocp_gphy_cond, 25, 10) ? |
| (RTL_R32(tp, GPHY_OCP) & 0xffff) : -ETIMEDOUT; |
| } |
| |
| static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data) |
| { |
| if (rtl_ocp_reg_failure(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(reg)) |
| return 0; |
| |
| RTL_W32(tp, OCPDR, reg << 15); |
| |
| return RTL_R32(tp, OCPDR); |
| } |
| |
| static void r8168_mac_ocp_modify(struct rtl8169_private *tp, u32 reg, u16 mask, |
| u16 set) |
| { |
| u16 data = r8168_mac_ocp_read(tp, reg); |
| |
| r8168_mac_ocp_write(tp, reg, (data & ~mask) | set); |
| } |
| |
| /* Work around a hw issue with RTL8168g PHY, the quirk disables |
| * PHY MCU interrupts before PHY power-down. |
| */ |
| static void rtl8168g_phy_suspend_quirk(struct rtl8169_private *tp, int value) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_40: |
| case RTL_GIGA_MAC_VER_41: |
| case RTL_GIGA_MAC_VER_49: |
| if (value & BMCR_RESET || !(value & BMCR_PDOWN)) |
| rtl_eri_set_bits(tp, 0x1a8, 0xfc000000); |
| else |
| rtl_eri_clear_bits(tp, 0x1a8, 0xfc000000); |
| break; |
| default: |
| break; |
| } |
| }; |
| |
| 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; |
| |
| if (tp->ocp_base == OCP_STD_PHY_BASE && reg == MII_BMCR) |
| rtl8168g_phy_suspend_quirk(tp, value); |
| |
| r8168_phy_ocp_write(tp, tp->ocp_base + reg * 2, value); |
| } |
| |
| static int r8168g_mdio_read(struct rtl8169_private *tp, int reg) |
| { |
| if (reg == 0x1f) |
| return tp->ocp_base == OCP_STD_PHY_BASE ? 0 : tp->ocp_base >> 4; |
| |
| 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_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_loop_wait_high(tp, &rtl_phyar_cond, 25, 20) ? |
| RTL_R32(tp, PHYAR) & 0xffff : -ETIMEDOUT; |
| |
| /* |
| * 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; |
| } |
| |
| #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; |
| |
| /* Work around issue with chip reporting wrong PHY ID */ |
| if (reg == MII_PHYSID2) |
| return 0xc912; |
| |
| 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, int val) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_28: |
| case RTL_GIGA_MAC_VER_31: |
| r8168dp_2_mdio_write(tp, location, val); |
| break; |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_63: |
| r8168g_mdio_write(tp, location, val); |
| break; |
| default: |
| r8169_mdio_write(tp, location, val); |
| break; |
| } |
| } |
| |
| static int rtl_readphy(struct rtl8169_private *tp, int location) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_28: |
| case RTL_GIGA_MAC_VER_31: |
| return r8168dp_2_mdio_read(tp, location); |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_63: |
| return r8168g_mdio_read(tp, location); |
| default: |
| return r8169_mdio_read(tp, location); |
| } |
| } |
| |
| 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_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_loop_wait_high(tp, &rtl_ephyar_cond, 10, 100) ? |
| RTL_R32(tp, EPHYAR) & EPHYAR_DATA_MASK : ~0; |
| } |
| |
| static u32 r8168dp_ocp_read(struct rtl8169_private *tp, u16 reg) |
| { |
| RTL_W32(tp, OCPAR, 0x0fu << 12 | (reg & 0x0fff)); |
| return rtl_loop_wait_high(tp, &rtl_ocpar_cond, 100, 20) ? |
| RTL_R32(tp, OCPDR) : ~0; |
| } |
| |
| static u32 r8168ep_ocp_read(struct rtl8169_private *tp, 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_loop_wait_low(tp, &rtl_ocpar_cond, 100, 20); |
| } |
| |
| static void r8168ep_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, |
| u32 data) |
| { |
| _rtl_eri_write(tp, reg, ((u32)mask & 0x0f) << ERIAR_MASK_SHIFT, |
| data, ERIAR_OOB); |
| } |
| |
| static void r8168dp_oob_notify(struct rtl8169_private *tp, u8 cmd) |
| { |
| rtl_eri_write(tp, 0xe8, ERIAR_MASK_0001, cmd); |
| |
| r8168dp_ocp_write(tp, 0x1, 0x30, 0x00000001); |
| } |
| |
| #define OOB_CMD_RESET 0x00 |
| #define OOB_CMD_DRIVER_START 0x05 |
| #define OOB_CMD_DRIVER_STOP 0x06 |
| |
| static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp) |
| { |
| return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10; |
| } |
| |
| DECLARE_RTL_COND(rtl_dp_ocp_read_cond) |
| { |
| u16 reg; |
| |
| reg = rtl8168_get_ocp_reg(tp); |
| |
| return r8168dp_ocp_read(tp, reg) & 0x00000800; |
| } |
| |
| DECLARE_RTL_COND(rtl_ep_ocp_read_cond) |
| { |
| return r8168ep_ocp_read(tp, 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_loop_wait_high(tp, &rtl_ocp_tx_cond, 50000, 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_loop_wait_high(tp, &rtl_dp_ocp_read_cond, 10000, 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, 0x30) | 0x01); |
| rtl_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10000, 10); |
| } |
| |
| static void rtl8168_driver_start(struct rtl8169_private *tp) |
| { |
| if (tp->dash_type == RTL_DASH_DP) |
| rtl8168dp_driver_start(tp); |
| else |
| rtl8168ep_driver_start(tp); |
| } |
| |
| static void rtl8168dp_driver_stop(struct rtl8169_private *tp) |
| { |
| r8168dp_oob_notify(tp, OOB_CMD_DRIVER_STOP); |
| rtl_loop_wait_low(tp, &rtl_dp_ocp_read_cond, 10000, 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, 0x30) | 0x01); |
| rtl_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10000, 10); |
| } |
| |
| static void rtl8168_driver_stop(struct rtl8169_private *tp) |
| { |
| if (tp->dash_type == RTL_DASH_DP) |
| rtl8168dp_driver_stop(tp); |
| else |
| rtl8168ep_driver_stop(tp); |
| } |
| |
| static bool r8168dp_check_dash(struct rtl8169_private *tp) |
| { |
| u16 reg = rtl8168_get_ocp_reg(tp); |
| |
| return r8168dp_ocp_read(tp, reg) & BIT(15); |
| } |
| |
| static bool r8168ep_check_dash(struct rtl8169_private *tp) |
| { |
| return r8168ep_ocp_read(tp, 0x128) & BIT(0); |
| } |
| |
| static enum rtl_dash_type rtl_check_dash(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_28: |
| case RTL_GIGA_MAC_VER_31: |
| return r8168dp_check_dash(tp) ? RTL_DASH_DP : RTL_DASH_NONE; |
| case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_53: |
| return r8168ep_check_dash(tp) ? RTL_DASH_EP : RTL_DASH_NONE; |
| default: |
| return RTL_DASH_NONE; |
| } |
| } |
| |
| static void rtl_set_d3_pll_down(struct rtl8169_private *tp, bool enable) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26: |
| case RTL_GIGA_MAC_VER_29 ... RTL_GIGA_MAC_VER_30: |
| case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_37: |
| case RTL_GIGA_MAC_VER_39 ... RTL_GIGA_MAC_VER_63: |
| if (enable) |
| RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~D3_NO_PLL_DOWN); |
| else |
| RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | D3_NO_PLL_DOWN); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void rtl_reset_packet_filter(struct rtl8169_private *tp) |
| { |
| rtl_eri_clear_bits(tp, 0xdc, BIT(0)); |
| rtl_eri_set_bits(tp, 0xdc, BIT(0)); |
| } |
| |
| DECLARE_RTL_COND(rtl_efusear_cond) |
| { |
| return RTL_R32(tp, EFUSEAR) & EFUSEAR_FLAG; |
| } |
| |
| 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_loop_wait_high(tp, &rtl_efusear_cond, 100, 300) ? |
| RTL_R32(tp, EFUSEAR) & EFUSEAR_DATA_MASK : ~0; |
| } |
| |
| static u32 rtl_get_events(struct rtl8169_private *tp) |
| { |
| if (rtl_is_8125(tp)) |
| return RTL_R32(tp, IntrStatus_8125); |
| else |
| return RTL_R16(tp, IntrStatus); |
| } |
| |
| static void rtl_ack_events(struct rtl8169_private *tp, u32 bits) |
| { |
| if (rtl_is_8125(tp)) |
| RTL_W32(tp, IntrStatus_8125, bits); |
| else |
| RTL_W16(tp, IntrStatus, bits); |
| } |
| |
| static void rtl_irq_disable(struct rtl8169_private *tp) |
| { |
| if (rtl_is_8125(tp)) |
| RTL_W32(tp, IntrMask_8125, 0); |
| else |
| RTL_W16(tp, IntrMask, 0); |
| } |
| |
| static void rtl_irq_enable(struct rtl8169_private *tp) |
| { |
| if (rtl_is_8125(tp)) |
| RTL_W32(tp, IntrMask_8125, tp->irq_mask); |
| else |
| 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, 0xffffffff); |
| rtl_pci_commit(tp); |
| } |
| |
| static void rtl_link_chg_patch(struct rtl8169_private *tp) |
| { |
| struct phy_device *phydev = tp->phydev; |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_34 || |
| tp->mac_version == RTL_GIGA_MAC_VER_38) { |
| if (phydev->speed == SPEED_1000) { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005); |
| } else if (phydev->speed == SPEED_100) { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005); |
| } else { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f); |
| } |
| rtl_reset_packet_filter(tp); |
| } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 || |
| tp->mac_version == RTL_GIGA_MAC_VER_36) { |
| if (phydev->speed == SPEED_1000) { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005); |
| } else { |
| rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f); |
| } |
| } else if (tp->mac_version == RTL_GIGA_MAC_VER_37) { |
| if (phydev->speed == SPEED_10) { |
| rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x4d02); |
| rtl_eri_write(tp, 0x1dc, ERIAR_MASK_0011, 0x0060a); |
| } else { |
| rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000); |
| } |
| } |
| } |
| |
| #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) |
| |
| static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| wol->supported = WAKE_ANY; |
| wol->wolopts = tp->saved_wolopts; |
| } |
| |
| static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts) |
| { |
| 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 } |
| }; |
| unsigned int i, tmp = ARRAY_SIZE(cfg); |
| u8 options; |
| |
| rtl_unlock_config_regs(tp); |
| |
| if (rtl_is_8168evl_up(tp)) { |
| tmp--; |
| if (wolopts & WAKE_MAGIC) |
| rtl_eri_set_bits(tp, 0x0dc, MagicPacket_v2); |
| else |
| rtl_eri_clear_bits(tp, 0x0dc, MagicPacket_v2); |
| } else if (rtl_is_8125(tp)) { |
| tmp--; |
| if (wolopts & WAKE_MAGIC) |
| r8168_mac_ocp_modify(tp, 0xc0b6, 0, BIT(0)); |
| else |
| r8168_mac_ocp_modify(tp, 0xc0b6, BIT(0), 0); |
| } |
| |
| 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_02 ... RTL_GIGA_MAC_VER_06: |
| options = RTL_R8(tp, Config1) & ~PMEnable; |
| if (wolopts) |
| options |= PMEnable; |
| RTL_W8(tp, Config1, options); |
| break; |
| case RTL_GIGA_MAC_VER_34: |
| case RTL_GIGA_MAC_VER_37: |
| case RTL_GIGA_MAC_VER_39 ... RTL_GIGA_MAC_VER_63: |
| options = RTL_R8(tp, Config2) & ~PME_SIGNAL; |
| if (wolopts) |
| options |= PME_SIGNAL; |
| RTL_W8(tp, Config2, options); |
| break; |
| default: |
| break; |
| } |
| |
| rtl_lock_config_regs(tp); |
| |
| device_set_wakeup_enable(tp_to_dev(tp), wolopts); |
| |
| if (tp->dash_type == RTL_DASH_NONE) { |
| rtl_set_d3_pll_down(tp, !wolopts); |
| tp->dev->wol_enabled = wolopts ? 1 : 0; |
| } |
| } |
| |
| static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| if (wol->wolopts & ~WAKE_ANY) |
| return -EINVAL; |
| |
| tp->saved_wolopts = wol->wolopts; |
| __rtl8169_set_wol(tp, tp->saved_wolopts); |
| |
| 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, KBUILD_MODNAME, 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 > ETH_DATA_LEN && |
| tp->mac_version > RTL_GIGA_MAC_VER_06) |
| features &= ~(NETIF_F_CSUM_MASK | NETIF_F_ALL_TSO); |
| |
| return features; |
| } |
| |
| static void rtl_set_rx_config_features(struct rtl8169_private *tp, |
| netdev_features_t features) |
| { |
| u32 rx_config = RTL_R32(tp, RxConfig); |
| |
| if (features & NETIF_F_RXALL) |
| rx_config |= RX_CONFIG_ACCEPT_ERR_MASK; |
| else |
| rx_config &= ~RX_CONFIG_ACCEPT_ERR_MASK; |
| |
| if (rtl_is_8125(tp)) { |
| if (features & NETIF_F_HW_VLAN_CTAG_RX) |
| rx_config |= RX_VLAN_8125; |
| else |
| rx_config &= ~RX_VLAN_8125; |
| } |
| |
| RTL_W32(tp, RxConfig, rx_config); |
| } |
| |
| static int rtl8169_set_features(struct net_device *dev, |
| netdev_features_t features) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| rtl_set_rx_config_features(tp, features); |
| |
| if (features & NETIF_F_RXCSUM) |
| tp->cp_cmd |= RxChkSum; |
| else |
| tp->cp_cmd &= ~RxChkSum; |
| |
| if (!rtl_is_8125(tp)) { |
| 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_pci_commit(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; |
| |
| for (i = 0; i < R8169_REGS_SIZE; i += 4) |
| memcpy_fromio(dw++, data++, 4); |
| } |
| |
| 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 void rtl8169_do_counters(struct rtl8169_private *tp, u32 counter_cmd) |
| { |
| u32 cmd = lower_32_bits(tp->counters_phys_addr); |
| |
| RTL_W32(tp, CounterAddrHigh, upper_32_bits(tp->counters_phys_addr)); |
| rtl_pci_commit(tp); |
| RTL_W32(tp, CounterAddrLow, cmd); |
| RTL_W32(tp, CounterAddrLow, cmd | counter_cmd); |
| |
| rtl_loop_wait_low(tp, &rtl_counters_cond, 10, 1000); |
| } |
| |
| static void 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) |
| rtl8169_do_counters(tp, CounterDump); |
| } |
| |
| static void rtl8169_init_counter_offsets(struct rtl8169_private *tp) |
| { |
| struct rtl8169_counters *counters = tp->counters; |
| |
| /* |
| * 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; |
| |
| if (tp->mac_version >= RTL_GIGA_MAC_VER_19) { |
| rtl8169_do_counters(tp, CounterReset); |
| } else { |
| rtl8169_update_counters(tp); |
| 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.rx_missed = counters->rx_missed; |
| } |
| |
| tp->tc_offset.inited = true; |
| } |
| |
| static void rtl8169_get_ethtool_stats(struct net_device *dev, |
| struct ethtool_stats *stats, u64 *data) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| struct rtl8169_counters *counters; |
| |
| counters = tp->counters; |
| rtl8169_update_counters(tp); |
| |
| 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 all CPlusCmd[0:1] cases */ |
| struct rtl_coalesce_info { |
| u32 speed; |
| u32 scale_nsecs[4]; |
| }; |
| |
| /* produce array with base delay *1, *8, *8*2, *8*2*2 */ |
| #define COALESCE_DELAY(d) { (d), 8 * (d), 16 * (d), 32 * (d) } |
| |
| static const struct rtl_coalesce_info rtl_coalesce_info_8169[] = { |
| { SPEED_1000, COALESCE_DELAY(320) }, |
| { SPEED_100, COALESCE_DELAY(2560) }, |
| { SPEED_10, COALESCE_DELAY(40960) }, |
| { 0 }, |
| }; |
| |
| static const struct rtl_coalesce_info rtl_coalesce_info_8168_8136[] = { |
| { SPEED_1000, COALESCE_DELAY(5000) }, |
| { SPEED_100, COALESCE_DELAY(2560) }, |
| { SPEED_10, COALESCE_DELAY(40960) }, |
| { 0 }, |
| }; |
| #undef COALESCE_DELAY |
| |
| /* get rx/tx scale vector corresponding to current speed */ |
| static const struct rtl_coalesce_info * |
| rtl_coalesce_info(struct rtl8169_private *tp) |
| { |
| const struct rtl_coalesce_info *ci; |
| |
| if (tp->mac_version <= RTL_GIGA_MAC_VER_06) |
| ci = rtl_coalesce_info_8169; |
| else |
| ci = rtl_coalesce_info_8168_8136; |
| |
| /* if speed is unknown assume highest one */ |
| if (tp->phydev->speed == SPEED_UNKNOWN) |
| return ci; |
| |
| for (; ci->speed; ci++) { |
| if (tp->phydev->speed == ci->speed) |
| return ci; |
| } |
| |
| return ERR_PTR(-ELNRNG); |
| } |
| |
| static int rtl_get_coalesce(struct net_device *dev, |
| struct ethtool_coalesce *ec, |
| struct kernel_ethtool_coalesce *kernel_coal, |
| struct netlink_ext_ack *extack) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| const struct rtl_coalesce_info *ci; |
| u32 scale, c_us, c_fr; |
| u16 intrmit; |
| |
| if (rtl_is_8125(tp)) |
| return -EOPNOTSUPP; |
| |
| memset(ec, 0, sizeof(*ec)); |
| |
| /* get rx/tx scale corresponding to current speed and CPlusCmd[0:1] */ |
| ci = rtl_coalesce_info(tp); |
| if (IS_ERR(ci)) |
| return PTR_ERR(ci); |
| |
| scale = ci->scale_nsecs[tp->cp_cmd & INTT_MASK]; |
| |
| intrmit = RTL_R16(tp, IntrMitigate); |
| |
| c_us = FIELD_GET(RTL_COALESCE_TX_USECS, intrmit); |
| ec->tx_coalesce_usecs = DIV_ROUND_UP(c_us * scale, 1000); |
| |
| c_fr = FIELD_GET(RTL_COALESCE_TX_FRAMES, intrmit); |
| /* ethtool_coalesce states usecs and max_frames must not both be 0 */ |
| ec->tx_max_coalesced_frames = (c_us || c_fr) ? c_fr * 4 : 1; |
| |
| c_us = FIELD_GET(RTL_COALESCE_RX_USECS, intrmit); |
| ec->rx_coalesce_usecs = DIV_ROUND_UP(c_us * scale, 1000); |
| |
| c_fr = FIELD_GET(RTL_COALESCE_RX_FRAMES, intrmit); |
| ec->rx_max_coalesced_frames = (c_us || c_fr) ? c_fr * 4 : 1; |
| |
| return 0; |
| } |
| |
| /* choose appropriate scale factor and CPlusCmd[0:1] for (speed, usec) */ |
| static int rtl_coalesce_choose_scale(struct rtl8169_private *tp, u32 usec, |
| u16 *cp01) |
| { |
| const struct rtl_coalesce_info *ci; |
| u16 i; |
| |
| ci = rtl_coalesce_info(tp); |
| if (IS_ERR(ci)) |
| return PTR_ERR(ci); |
| |
| for (i = 0; i < 4; i++) { |
| if (usec <= ci->scale_nsecs[i] * RTL_COALESCE_T_MAX / 1000U) { |
| *cp01 = i; |
| return ci->scale_nsecs[i]; |
| } |
| } |
| |
| return -ERANGE; |
| } |
| |
| static int rtl_set_coalesce(struct net_device *dev, |
| struct ethtool_coalesce *ec, |
| struct kernel_ethtool_coalesce *kernel_coal, |
| struct netlink_ext_ack *extack) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| u32 tx_fr = ec->tx_max_coalesced_frames; |
| u32 rx_fr = ec->rx_max_coalesced_frames; |
| u32 coal_usec_max, units; |
| u16 w = 0, cp01 = 0; |
| int scale; |
| |
| if (rtl_is_8125(tp)) |
| return -EOPNOTSUPP; |
| |
| if (rx_fr > RTL_COALESCE_FRAME_MAX || tx_fr > RTL_COALESCE_FRAME_MAX) |
| return -ERANGE; |
| |
| coal_usec_max = max(ec->rx_coalesce_usecs, ec->tx_coalesce_usecs); |
| scale = rtl_coalesce_choose_scale(tp, coal_usec_max, &cp01); |
| if (scale < 0) |
| return scale; |
| |
| /* 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 want to ignore rx_frames then it has to be set to 0. |
| */ |
| if (rx_fr == 1) |
| rx_fr = 0; |
| if (tx_fr == 1) |
| tx_fr = 0; |
| |
| /* HW requires time limit to be set if frame limit is set */ |
| if ((tx_fr && !ec->tx_coalesce_usecs) || |
| (rx_fr && !ec->rx_coalesce_usecs)) |
| return -EINVAL; |
| |
| w |= FIELD_PREP(RTL_COALESCE_TX_FRAMES, DIV_ROUND_UP(tx_fr, 4)); |
| w |= FIELD_PREP(RTL_COALESCE_RX_FRAMES, DIV_ROUND_UP(rx_fr, 4)); |
| |
| units = DIV_ROUND_UP(ec->tx_coalesce_usecs * 1000U, scale); |
| w |= FIELD_PREP(RTL_COALESCE_TX_USECS, units); |
| units = DIV_ROUND_UP(ec->rx_coalesce_usecs * 1000U, scale); |
| w |= FIELD_PREP(RTL_COALESCE_RX_USECS, units); |
| |
| RTL_W16(tp, IntrMitigate, w); |
| |
| /* Meaning of PktCntrDisable bit changed from RTL8168e-vl */ |
| if (rtl_is_8168evl_up(tp)) { |
| if (!rx_fr && !tx_fr) |
| /* disable packet counter */ |
| tp->cp_cmd |= PktCntrDisable; |
| else |
| tp->cp_cmd &= ~PktCntrDisable; |
| } |
| |
| tp->cp_cmd = (tp->cp_cmd & ~INTT_MASK) | cp01; |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| rtl_pci_commit(tp); |
| |
| return 0; |
| } |
| |
| static int rtl8169_get_eee(struct net_device *dev, struct ethtool_eee *data) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| if (!rtl_supports_eee(tp)) |
| return -EOPNOTSUPP; |
| |
| return phy_ethtool_get_eee(tp->phydev, data); |
| } |
| |
| static int rtl8169_set_eee(struct net_device *dev, struct ethtool_eee *data) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| int ret; |
| |
| if (!rtl_supports_eee(tp)) |
| return -EOPNOTSUPP; |
| |
| ret = phy_ethtool_set_eee(tp->phydev, data); |
| |
| if (!ret) |
| tp->eee_adv = phy_read_mmd(dev->phydev, MDIO_MMD_AN, |
| MDIO_AN_EEE_ADV); |
| return ret; |
| } |
| |
| static void rtl8169_get_ringparam(struct net_device *dev, |
| struct ethtool_ringparam *data, |
| struct kernel_ethtool_ringparam *kernel_data, |
| struct netlink_ext_ack *extack) |
| { |
| data->rx_max_pending = NUM_RX_DESC; |
| data->rx_pending = NUM_RX_DESC; |
| data->tx_max_pending = NUM_TX_DESC; |
| data->tx_pending = NUM_TX_DESC; |
| } |
| |
| static void rtl8169_get_pauseparam(struct net_device *dev, |
| struct ethtool_pauseparam *data) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| bool tx_pause, rx_pause; |
| |
| phy_get_pause(tp->phydev, &tx_pause, &rx_pause); |
| |
| data->autoneg = tp->phydev->autoneg; |
| data->tx_pause = tx_pause ? 1 : 0; |
| data->rx_pause = rx_pause ? 1 : 0; |
| } |
| |
| static int rtl8169_set_pauseparam(struct net_device *dev, |
| struct ethtool_pauseparam *data) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| if (dev->mtu > ETH_DATA_LEN) |
| return -EOPNOTSUPP; |
| |
| phy_set_asym_pause(tp->phydev, data->rx_pause, data->tx_pause); |
| |
| return 0; |
| } |
| |
| static const struct ethtool_ops rtl8169_ethtool_ops = { |
| .supported_coalesce_params = ETHTOOL_COALESCE_USECS | |
| ETHTOOL_COALESCE_MAX_FRAMES, |
| .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_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, |
| .get_ringparam = rtl8169_get_ringparam, |
| .get_pauseparam = rtl8169_get_pauseparam, |
| .set_pauseparam = rtl8169_set_pauseparam, |
| }; |
| |
| static void rtl_enable_eee(struct rtl8169_private *tp) |
| { |
| struct phy_device *phydev = tp->phydev; |
| int adv; |
| |
| /* respect EEE advertisement the user may have set */ |
| if (tp->eee_adv >= 0) |
| adv = tp->eee_adv; |
| else |
| adv = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE); |
| |
| if (adv >= 0) |
| phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, adv); |
| } |
| |
| static enum mac_version rtl8169_get_mac_version(u16 xid, bool gmii) |
| { |
| /* |
| * 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; |
| enum mac_version ver; |
| } mac_info[] = { |
| /* 8125B family. */ |
| { 0x7cf, 0x641, RTL_GIGA_MAC_VER_63 }, |
| |
| /* 8125A family. */ |
| { 0x7cf, 0x609, RTL_GIGA_MAC_VER_61 }, |
| /* It seems only XID 609 made it to the mass market. |
| * { 0x7cf, 0x608, RTL_GIGA_MAC_VER_60 }, |
| * { 0x7c8, 0x608, RTL_GIGA_MAC_VER_61 }, |
| */ |
| |
| /* RTL8117 */ |
| { 0x7cf, 0x54b, RTL_GIGA_MAC_VER_53 }, |
| { 0x7cf, 0x54a, RTL_GIGA_MAC_VER_52 }, |
| |
| /* 8168EP family. */ |
| { 0x7cf, 0x502, RTL_GIGA_MAC_VER_51 }, |
| /* It seems this chip version never made it to |
| * the wild. Let's disable detection. |
| * { 0x7cf, 0x501, RTL_GIGA_MAC_VER_50 }, |
| * { 0x7cf, 0x500, RTL_GIGA_MAC_VER_49 }, |
| */ |
| |
| /* 8168H family. */ |
| { 0x7cf, 0x541, RTL_GIGA_MAC_VER_46 }, |
| /* It seems this chip version never made it to |
| * the wild. Let's disable detection. |
| * { 0x7cf, 0x540, RTL_GIGA_MAC_VER_45 }, |
| */ |
| |
| /* 8168G family. */ |
| { 0x7cf, 0x5c8, RTL_GIGA_MAC_VER_44 }, |
| { 0x7cf, 0x509, RTL_GIGA_MAC_VER_42 }, |
| /* It seems this chip version never made it to |
| * the wild. Let's disable detection. |
| * { 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. */ |
| /* It seems this early RTL8168dp version never made it to |
| * the wild. Support has been removed. |
| * { 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, 0x240, RTL_GIGA_MAC_VER_14 }, |
| { 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 |
| * Not even r8101 vendor driver knows these id's, |
| * so let's disable detection for now. -- HK |
| * { 0xfc8, 0x388, RTL_GIGA_MAC_VER_13 }, |
| * { 0xfc8, 0x308, RTL_GIGA_MAC_VER_13 }, |
| */ |
| |
| /* 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 }, |
| |
| /* Catch-all */ |
| { 0x000, 0x000, RTL_GIGA_MAC_NONE } |
| }; |
| const struct rtl_mac_info *p = mac_info; |
| enum mac_version ver; |
| |
| while ((xid & p->mask) != p->val) |
| p++; |
| ver = p->ver; |
| |
| if (ver != RTL_GIGA_MAC_NONE && !gmii) { |
| if (ver == RTL_GIGA_MAC_VER_42) |
| ver = RTL_GIGA_MAC_VER_43; |
| else if (ver == RTL_GIGA_MAC_VER_45) |
| ver = RTL_GIGA_MAC_VER_47; |
| else if (ver == RTL_GIGA_MAC_VER_46) |
| ver = RTL_GIGA_MAC_VER_48; |
| } |
| |
| return ver; |
| } |
| |
| static void rtl_release_firmware(struct rtl8169_private *tp) |
| { |
| if (tp->rtl_fw) { |
| rtl_fw_release_firmware(tp->rtl_fw); |
| kfree(tp->rtl_fw); |
| tp->rtl_fw = NULL; |
| } |
| } |
| |
| void r8169_apply_firmware(struct rtl8169_private *tp) |
| { |
| int val; |
| |
| /* TODO: release firmware if rtl_fw_write_firmware signals failure. */ |
| if (tp->rtl_fw) { |
| rtl_fw_write_firmware(tp, tp->rtl_fw); |
| /* At least one firmware doesn't reset tp->ocp_base. */ |
| tp->ocp_base = OCP_STD_PHY_BASE; |
| |
| /* PHY soft reset may still be in progress */ |
| phy_read_poll_timeout(tp->phydev, MII_BMCR, val, |
| !(val & BMCR_RESET), |
| 50000, 600000, true); |
| } |
| } |
| |
| static void rtl8168_config_eee_mac(struct rtl8169_private *tp) |
| { |
| /* Adjust EEE LED frequency */ |
| if (tp->mac_version != RTL_GIGA_MAC_VER_38) |
| RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07); |
| |
| rtl_eri_set_bits(tp, 0x1b0, 0x0003); |
| } |
| |
| static void rtl8125a_config_eee_mac(struct rtl8169_private *tp) |
| { |
| r8168_mac_ocp_modify(tp, 0xe040, 0, BIT(1) | BIT(0)); |
| r8168_mac_ocp_modify(tp, 0xeb62, 0, BIT(2) | BIT(1)); |
| } |
| |
| static void rtl8125_set_eee_txidle_timer(struct rtl8169_private *tp) |
| { |
| RTL_W16(tp, EEE_TXIDLE_TIMER_8125, tp->dev->mtu + ETH_HLEN + 0x20); |
| } |
| |
| static void rtl8125b_config_eee_mac(struct rtl8169_private *tp) |
| { |
| rtl8125_set_eee_txidle_timer(tp); |
| r8168_mac_ocp_modify(tp, 0xe040, 0, BIT(1) | BIT(0)); |
| } |
| |
| static void rtl_rar_exgmac_set(struct rtl8169_private *tp, const u8 *addr) |
| { |
| rtl_eri_write(tp, 0xe0, ERIAR_MASK_1111, get_unaligned_le32(addr)); |
| rtl_eri_write(tp, 0xe4, ERIAR_MASK_1111, get_unaligned_le16(addr + 4)); |
| rtl_eri_write(tp, 0xf0, ERIAR_MASK_1111, get_unaligned_le16(addr) << 16); |
| rtl_eri_write(tp, 0xf4, ERIAR_MASK_1111, get_unaligned_le32(addr + 2)); |
| } |
| |
| u16 rtl8168h_2_get_adc_bias_ioffset(struct rtl8169_private *tp) |
| { |
| u16 data1, data2, ioffset; |
| |
| r8168_mac_ocp_write(tp, 0xdd02, 0x807d); |
| data1 = r8168_mac_ocp_read(tp, 0xdd02); |
| data2 = r8168_mac_ocp_read(tp, 0xdd00); |
| |
| ioffset = (data2 >> 1) & 0x7ff8; |
| ioffset |= data2 & 0x0007; |
| if (data1 & BIT(7)) |
| ioffset |= BIT(15); |
| |
| return ioffset; |
| } |
| |
| static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag) |
| { |
| set_bit(flag, tp->wk.flags); |
| schedule_work(&tp->wk.work); |
| } |
| |
| static void rtl8169_init_phy(struct rtl8169_private *tp) |
| { |
| r8169_hw_phy_config(tp, tp->phydev, tp->mac_version); |
| |
| 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); |
| /* set undocumented MAC Reg C+CR Offset 0x82h */ |
| RTL_W8(tp, 0x82, 0x01); |
| } |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_05 && |
| tp->pci_dev->subsystem_vendor == PCI_VENDOR_ID_GIGABYTE && |
| tp->pci_dev->subsystem_device == 0xe000) |
| phy_write_paged(tp->phydev, 0x0001, 0x10, 0xf01b); |
| |
| /* We may have called phy_speed_down before */ |
| phy_speed_up(tp->phydev); |
| |
| if (rtl_supports_eee(tp)) |
| rtl_enable_eee(tp); |
| |
| genphy_soft_reset(tp->phydev); |
| } |
| |
| static void rtl_rar_set(struct rtl8169_private *tp, const u8 *addr) |
| { |
| rtl_unlock_config_regs(tp); |
| |
| RTL_W32(tp, MAC4, get_unaligned_le16(addr + 4)); |
| rtl_pci_commit(tp); |
| |
| RTL_W32(tp, MAC0, get_unaligned_le32(addr)); |
| rtl_pci_commit(tp); |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_34) |
| rtl_rar_exgmac_set(tp, addr); |
| |
| rtl_lock_config_regs(tp); |
| } |
| |
| static int rtl_set_mac_address(struct net_device *dev, void *p) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| int ret; |
| |
| ret = eth_mac_addr(dev, p); |
| if (ret) |
| return ret; |
| |
| rtl_rar_set(tp, dev->dev_addr); |
| |
| return 0; |
| } |
| |
| static void rtl_wol_enable_rx(struct rtl8169_private *tp) |
| { |
| if (tp->mac_version >= RTL_GIGA_MAC_VER_25) |
| RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) | |
| AcceptBroadcast | AcceptMulticast | AcceptMyPhys); |
| } |
| |
| static void rtl_prepare_power_down(struct rtl8169_private *tp) |
| { |
| if (tp->dash_type != RTL_DASH_NONE) |
| 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_enable_rx(tp); |
| } |
| } |
| |
| static void rtl_init_rxcfg(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_02 ... 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_53: |
| RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); |
| break; |
| case RTL_GIGA_MAC_VER_60 ... RTL_GIGA_MAC_VER_63: |
| RTL_W32(tp, RxConfig, RX_FETCH_DFLT_8125 | RX_DMA_BURST); |
| 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 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); |
| } |
| |
| 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); |
| } |
| |
| 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, 0x24); |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0); |
| RTL_W8(tp, Config4, RTL_R8(tp, Config4) | 0x01); |
| } |
| |
| static void r8168e_hw_jumbo_disable(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); |
| } |
| |
| static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, Config4, RTL_R8(tp, Config4) | (1 << 0)); |
| } |
| |
| static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0)); |
| } |
| |
| static void rtl_jumbo_config(struct rtl8169_private *tp) |
| { |
| bool jumbo = tp->dev->mtu > ETH_DATA_LEN; |
| int readrq = 4096; |
| |
| rtl_unlock_config_regs(tp); |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_12: |
| case RTL_GIGA_MAC_VER_17: |
| if (jumbo) { |
| readrq = 512; |
| r8168b_1_hw_jumbo_enable(tp); |
| } else { |
| r8168b_1_hw_jumbo_disable(tp); |
| } |
| break; |
| case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_26: |
| if (jumbo) { |
| readrq = 512; |
| r8168c_hw_jumbo_enable(tp); |
| } else { |
| r8168c_hw_jumbo_disable(tp); |
| } |
| break; |
| case RTL_GIGA_MAC_VER_28: |
| if (jumbo) |
| r8168dp_hw_jumbo_enable(tp); |
| else |
| r8168dp_hw_jumbo_disable(tp); |
| break; |
| case RTL_GIGA_MAC_VER_31 ... RTL_GIGA_MAC_VER_33: |
| if (jumbo) |
| r8168e_hw_jumbo_enable(tp); |
| else |
| r8168e_hw_jumbo_disable(tp); |
| break; |
| default: |
| break; |
| } |
| rtl_lock_config_regs(tp); |
| |
| if (pci_is_pcie(tp->pci_dev) && tp->supports_gmii) |
| pcie_set_readrq(tp->pci_dev, readrq); |
| |
| /* Chip doesn't support pause in jumbo mode */ |
| if (jumbo) { |
| linkmode_clear_bit(ETHTOOL_LINK_MODE_Pause_BIT, |
| tp->phydev->advertising); |
| linkmode_clear_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, |
| tp->phydev->advertising); |
| phy_start_aneg(tp->phydev); |
| } |
| } |
| |
| 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_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100); |
| } |
| |
| static void rtl_request_firmware(struct rtl8169_private *tp) |
| { |
| struct rtl_fw *rtl_fw; |
| |
| /* 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) |
| return; |
| |
| rtl_fw->phy_write = rtl_writephy; |
| rtl_fw->phy_read = rtl_readphy; |
| rtl_fw->mac_mcu_write = mac_mcu_write; |
| rtl_fw->mac_mcu_read = mac_mcu_read; |
| rtl_fw->fw_name = tp->fw_name; |
| rtl_fw->dev = tp_to_dev(tp); |
| |
| if (rtl_fw_request_firmware(rtl_fw)) |
| kfree(rtl_fw); |
| else |
| tp->rtl_fw = rtl_fw; |
| } |
| |
| 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; |
| } |
| |
| DECLARE_RTL_COND(rtl_rxtx_empty_cond) |
| { |
| return (RTL_R8(tp, MCU) & RXTX_EMPTY) == RXTX_EMPTY; |
| } |
| |
| DECLARE_RTL_COND(rtl_rxtx_empty_cond_2) |
| { |
| /* IntrMitigate has new functionality on RTL8125 */ |
| return (RTL_R16(tp, IntrMitigate) & 0x0103) == 0x0103; |
| } |
| |
| static void rtl_wait_txrx_fifo_empty(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_53: |
| rtl_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42); |
| rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42); |
| break; |
| case RTL_GIGA_MAC_VER_60 ... RTL_GIGA_MAC_VER_61: |
| rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42); |
| break; |
| case RTL_GIGA_MAC_VER_63: |
| RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq); |
| rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42); |
| rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond_2, 100, 42); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void rtl_enable_rxdvgate(struct rtl8169_private *tp) |
| { |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN); |
| fsleep(2000); |
| rtl_wait_txrx_fifo_empty(tp); |
| } |
| |
| static void rtl_set_tx_config_registers(struct rtl8169_private *tp) |
| { |
| u32 val = TX_DMA_BURST << TxDMAShift | |
| InterFrameGap << TxInterFrameGapShift; |
| |
| if (rtl_is_8168evl_up(tp)) |
| 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) |
| { |
| 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) |
| { |
| u32 rx_mode = AcceptBroadcast | AcceptMyPhys | AcceptMulticast; |
| /* Multicast hash filter */ |
| u32 mc_filter[2] = { 0xffffffff, 0xffffffff }; |
| struct rtl8169_private *tp = netdev_priv(dev); |
| u32 tmp; |
| |
| if (dev->flags & IFF_PROMISC) { |
| rx_mode |= AcceptAllPhys; |
| } else if (netdev_mc_count(dev) > MC_FILTER_LIMIT || |
| dev->flags & IFF_ALLMULTI || |
| tp->mac_version == RTL_GIGA_MAC_VER_35) { |
| /* accept all multicasts */ |
| } else if (netdev_mc_empty(dev)) { |
| rx_mode &= ~AcceptMulticast; |
| } else { |
| struct netdev_hw_addr *ha; |
| |
| mc_filter[1] = mc_filter[0] = 0; |
| netdev_for_each_mc_addr(ha, dev) { |
| u32 bit_nr = eth_hw_addr_crc(ha) >> 26; |
| mc_filter[bit_nr >> 5] |= BIT(bit_nr & 31); |
| } |
| |
| if (tp->mac_version > RTL_GIGA_MAC_VER_06) { |
| tmp = mc_filter[0]; |
| mc_filter[0] = swab32(mc_filter[1]); |
| mc_filter[1] = swab32(tmp); |
| } |
| } |
| |
| RTL_W32(tp, MAR0 + 4, mc_filter[1]); |
| RTL_W32(tp, MAR0 + 0, mc_filter[0]); |
| |
| tmp = RTL_R32(tp, RxConfig); |
| RTL_W32(tp, RxConfig, (tmp & ~RX_CONFIG_ACCEPT_OK_MASK) | rx_mode); |
| } |
| |
| 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_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_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ? |
| RTL_R32(tp, CSIDR) : ~0; |
| } |
| |
| static void rtl_set_aspm_entry_latency(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. |
| * bit 0..2: L0: 0 = 1us, 1 = 2us .. 6 = 7us, 7 = 7us (no typo) |
| * bit 3..5: L1: 0 = 1us, 1 = 2us .. 6 = 64us, 7 = 64us |
| */ |
| 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) |
| { |
| /* L0 7us, L1 16us */ |
| rtl_set_aspm_entry_latency(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++; |
| } |
| } |
| |
| #define rtl_ephy_init(tp, a) __rtl_ephy_init(tp, a, ARRAY_SIZE(a)) |
| |
| 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_enable_exit_l1(struct rtl8169_private *tp) |
| { |
| /* Bits control which events trigger ASPM L1 exit: |
| * Bit 12: rxdv |
| * Bit 11: ltr_msg |
| * Bit 10: txdma_poll |
| * Bit 9: xadm |
| * Bit 8: pktavi |
| * Bit 7: txpla |
| */ |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_36: |
| rtl_eri_set_bits(tp, 0xd4, 0x1f00); |
| break; |
| case RTL_GIGA_MAC_VER_37 ... RTL_GIGA_MAC_VER_38: |
| rtl_eri_set_bits(tp, 0xd4, 0x0c00); |
| break; |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_63: |
| r8168_mac_ocp_modify(tp, 0xc0ac, 0, 0x1f80); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void rtl_disable_exit_l1(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38: |
| rtl_eri_clear_bits(tp, 0xd4, 0x1f00); |
| break; |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_63: |
| r8168_mac_ocp_modify(tp, 0xc0ac, 0x1f80, 0); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable) |
| { |
| /* Don't enable ASPM in the chip if OS can't control ASPM */ |
| if (enable && tp->aspm_manageable) { |
| RTL_W8(tp, Config5, RTL_R8(tp, Config5) | ASPM_en); |
| RTL_W8(tp, Config2, RTL_R8(tp, Config2) | ClkReqEn); |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_45 ... RTL_GIGA_MAC_VER_48: |
| case RTL_GIGA_MAC_VER_60 ... RTL_GIGA_MAC_VER_63: |
| /* reset ephy tx/rx disable timer */ |
| r8168_mac_ocp_modify(tp, 0xe094, 0xff00, 0); |
| /* chip can trigger L1.2 */ |
| r8168_mac_ocp_modify(tp, 0xe092, 0x00ff, BIT(2)); |
| break; |
| default: |
| break; |
| } |
| } else { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_45 ... RTL_GIGA_MAC_VER_48: |
| case RTL_GIGA_MAC_VER_60 ... RTL_GIGA_MAC_VER_63: |
| r8168_mac_ocp_modify(tp, 0xe092, 0x00ff, 0); |
| break; |
| default: |
| break; |
| } |
| |
| RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn); |
| RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en); |
| } |
| |
| udelay(10); |
| } |
| |
| static void rtl_set_fifo_size(struct rtl8169_private *tp, u16 rx_stat, |
| u16 tx_stat, u16 rx_dyn, u16 tx_dyn) |
| { |
| /* Usage of dynamic vs. static FIFO is controlled by bit |
| * TXCFG_AUTO_FIFO. Exact meaning of FIFO values isn't known. |
| */ |
| rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, (rx_stat << 16) | rx_dyn); |
| rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, (tx_stat << 16) | tx_dyn); |
| } |
| |
| static void rtl8168g_set_pause_thresholds(struct rtl8169_private *tp, |
| u8 low, u8 high) |
| { |
| /* FIFO thresholds for pause flow control */ |
| rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, low); |
| rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, high); |
| } |
| |
| static void rtl_hw_start_8168b(struct rtl8169_private *tp) |
| { |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); |
| } |
| |
| 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); |
| |
| rtl_disable_clock_request(tp); |
| } |
| |
| 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); |
| |
| __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); |
| } |
| |
| 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); |
| } |
| |
| 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); |
| |
| __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, 0x0020 } |
| }; |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_ephy_init(tp, e_info_8168c_2); |
| |
| __rtl_hw_start_8168cp(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); |
| } |
| |
| 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 }, |
| { 0x10, 0x0004, 0x0000 }, |
| }; |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_ephy_init(tp, 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); |
| |
| 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 }, |
| { 0x00, 0x0000, 0x0004 }, |
| { 0x0c, 0x3df0, 0x0200 }, |
| }; |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_ephy_init(tp, e_info_8168e_2); |
| |
| rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_1111, 0x0000); |
| rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06); |
| rtl_eri_set_bits(tp, 0x1d0, BIT(1)); |
| rtl_reset_packet_filter(tp); |
| rtl_eri_set_bits(tp, 0x1b0, BIT(4)); |
| rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050); |
| rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060); |
| |
| rtl_disable_clock_request(tp); |
| |
| RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); |
| |
| 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_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_1111, 0x0000); |
| rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06); |
| rtl_reset_packet_filter(tp); |
| rtl_eri_set_bits(tp, 0x1b0, BIT(4)); |
| rtl_eri_set_bits(tp, 0x1d0, BIT(4) | BIT(1)); |
| rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050); |
| rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x00000060); |
| |
| 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 }, |
| { 0x00, 0x0000, 0x0008 }, |
| { 0x0c, 0x3df0, 0x0200 }, |
| }; |
| |
| rtl_hw_start_8168f(tp); |
| |
| rtl_ephy_init(tp, e_info_8168f_1); |
| } |
| |
| 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 }, |
| { 0x19, 0x0000, 0x0224 }, |
| { 0x00, 0x0000, 0x0008 }, |
| { 0x0c, 0x3df0, 0x0200 }, |
| }; |
| |
| rtl_hw_start_8168f(tp); |
| rtl_pcie_state_l2l3_disable(tp); |
| |
| rtl_ephy_init(tp, e_info_8168f_1); |
| } |
| |
| static void rtl_hw_start_8168g(struct rtl8169_private *tp) |
| { |
| rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06); |
| rtl8168g_set_pause_thresholds(tp, 0x38, 0x48); |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_reset_packet_filter(tp); |
| rtl_eri_write(tp, 0x2f8, ERIAR_MASK_0011, 0x1d8f); |
| |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); |
| |
| rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000); |
| |
| rtl8168_config_eee_mac(tp); |
| |
| rtl_w0w1_eri(tp, 0x2fc, 0x01, 0x06); |
| rtl_eri_clear_bits(tp, 0x1b0, BIT(12)); |
| |
| 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, 0x0008, 0x0000 }, |
| { 0x0c, 0x3ff0, 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); |
| 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, 0x0008, 0x0000 }, |
| { 0x0c, 0x3ff0, 0x0820 }, |
| { 0x19, 0xffff, 0x7c00 }, |
| { 0x1e, 0xffff, 0x20eb }, |
| { 0x0d, 0xffff, 0x1666 }, |
| { 0x00, 0xffff, 0x10a3 }, |
| { 0x06, 0xffff, 0xf050 }, |
| { 0x04, 0x0000, 0x0010 }, |
| { 0x1d, 0x4000, 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_2); |
| } |
| |
| static void rtl_hw_start_8411_2(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8411_2[] = { |
| { 0x00, 0x0008, 0x0000 }, |
| { 0x0c, 0x37d0, 0x0820 }, |
| { 0x1e, 0x0000, 0x0001 }, |
| { 0x19, 0x8021, 0x0000 }, |
| { 0x1e, 0x0000, 0x2000 }, |
| { 0x0d, 0x0100, 0x0200 }, |
| { 0x00, 0x0000, 0x0080 }, |
| { 0x06, 0x0000, 0x0010 }, |
| { 0x04, 0x0000, 0x0010 }, |
| { 0x1d, 0x0000, 0x4000 }, |
| }; |
| |
| 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); |
| |
| /* The following Realtek-provided magic fixes an issue with the RX unit |
| * getting confused after the PHY having been powered-down. |
| */ |
| r8168_mac_ocp_write(tp, 0xFC28, 0x0000); |
| r8168_mac_ocp_write(tp, 0xFC2A, 0x0000); |
| r8168_mac_ocp_write(tp, 0xFC2C, 0x0000); |
| r8168_mac_ocp_write(tp, 0xFC2E, 0x0000); |
| r8168_mac_ocp_write(tp, 0xFC30, 0x0000); |
| r8168_mac_ocp_write(tp, 0xFC32, 0x0000); |
| r8168_mac_ocp_write(tp, 0xFC34, 0x0000); |
| r8168_mac_ocp_write(tp, 0xFC36, 0x0000); |
| mdelay(3); |
| r8168_mac_ocp_write(tp, 0xFC26, 0x0000); |
| |
| r8168_mac_ocp_write(tp, 0xF800, 0xE008); |
| r8168_mac_ocp_write(tp, 0xF802, 0xE00A); |
| r8168_mac_ocp_write(tp, 0xF804, 0xE00C); |
| r8168_mac_ocp_write(tp, 0xF806, 0xE00E); |
| r8168_mac_ocp_write(tp, 0xF808, 0xE027); |
| r8168_mac_ocp_write(tp, 0xF80A, 0xE04F); |
| r8168_mac_ocp_write(tp, 0xF80C, 0xE05E); |
| r8168_mac_ocp_write(tp, 0xF80E, 0xE065); |
| r8168_mac_ocp_write(tp, 0xF810, 0xC602); |
| r8168_mac_ocp_write(tp, 0xF812, 0xBE00); |
| r8168_mac_ocp_write(tp, 0xF814, 0x0000); |
| r8168_mac_ocp_write(tp, 0xF816, 0xC502); |
| r8168_mac_ocp_write(tp, 0xF818, 0xBD00); |
| r8168_mac_ocp_write(tp, 0xF81A, 0x074C); |
| r8168_mac_ocp_write(tp, 0xF81C, 0xC302); |
| r8168_mac_ocp_write(tp, 0xF81E, 0xBB00); |
| r8168_mac_ocp_write(tp, 0xF820, 0x080A); |
| r8168_mac_ocp_write(tp, 0xF822, 0x6420); |
| r8168_mac_ocp_write(tp, 0xF824, 0x48C2); |
| r8168_mac_ocp_write(tp, 0xF826, 0x8C20); |
| r8168_mac_ocp_write(tp, 0xF828, 0xC516); |
| r8168_mac_ocp_write(tp, 0xF82A, 0x64A4); |
| r8168_mac_ocp_write(tp, 0xF82C, 0x49C0); |
| r8168_mac_ocp_write(tp, 0xF82E, 0xF009); |
| r8168_mac_ocp_write(tp, 0xF830, 0x74A2); |
| r8168_mac_ocp_write(tp, 0xF832, 0x8CA5); |
| r8168_mac_ocp_write(tp, 0xF834, 0x74A0); |
| r8168_mac_ocp_write(tp, 0xF836, 0xC50E); |
| r8168_mac_ocp_write(tp, 0xF838, 0x9CA2); |
| r8168_mac_ocp_write(tp, 0xF83A, 0x1C11); |
| r8168_mac_ocp_write(tp, 0xF83C, 0x9CA0); |
| r8168_mac_ocp_write(tp, 0xF83E, 0xE006); |
| r8168_mac_ocp_write(tp, 0xF840, 0x74F8); |
| r8168_mac_ocp_write(tp, 0xF842, 0x48C4); |
| r8168_mac_ocp_write(tp, 0xF844, 0x8CF8); |
| r8168_mac_ocp_write(tp, 0xF846, 0xC404); |
| r8168_mac_ocp_write(tp, 0xF848, 0xBC00); |
| r8168_mac_ocp_write(tp, 0xF84A, 0xC403); |
| r8168_mac_ocp_write(tp, 0xF84C, 0xBC00); |
| r8168_mac_ocp_write(tp, 0xF84E, 0x0BF2); |
| r8168_mac_ocp_write(tp, 0xF850, 0x0C0A); |
| r8168_mac_ocp_write(tp, 0xF852, 0xE434); |
| r8168_mac_ocp_write(tp, 0xF854, 0xD3C0); |
| r8168_mac_ocp_write(tp, 0xF856, 0x49D9); |
| r8168_mac_ocp_write(tp, 0xF858, 0xF01F); |
| r8168_mac_ocp_write(tp, 0xF85A, 0xC526); |
| r8168_mac_ocp_write(tp, 0xF85C, 0x64A5); |
| r8168_mac_ocp_write(tp, 0xF85E, 0x1400); |
| r8168_mac_ocp_write(tp, 0xF860, 0xF007); |
| r8168_mac_ocp_write(tp, 0xF862, 0x0C01); |
| r8168_mac_ocp_write(tp, 0xF864, 0x8CA5); |
| r8168_mac_ocp_write(tp, 0xF866, 0x1C15); |
| r8168_mac_ocp_write(tp, 0xF868, 0xC51B); |
| r8168_mac_ocp_write(tp, 0xF86A, 0x9CA0); |
| r8168_mac_ocp_write(tp, 0xF86C, 0xE013); |
| r8168_mac_ocp_write(tp, 0xF86E, 0xC519); |
| r8168_mac_ocp_write(tp, 0xF870, 0x74A0); |
| r8168_mac_ocp_write(tp, 0xF872, 0x48C4); |
| r8168_mac_ocp_write(tp, 0xF874, 0x8CA0); |
| r8168_mac_ocp_write(tp, 0xF876, 0xC516); |
| r8168_mac_ocp_write(tp, 0xF878, 0x74A4); |
| r8168_mac_ocp_write(tp, 0xF87A, 0x48C8); |
| r8168_mac_ocp_write(tp, 0xF87C, 0x48CA); |
| r8168_mac_ocp_write(tp, 0xF87E, 0x9CA4); |
| r8168_mac_ocp_write(tp, 0xF880, 0xC512); |
| r8168_mac_ocp_write(tp, 0xF882, 0x1B00); |
| r8168_mac_ocp_write(tp, 0xF884, 0x9BA0); |
| r8168_mac_ocp_write(tp, 0xF886, 0x1B1C); |
| r8168_mac_ocp_write(tp, 0xF888, 0x483F); |
| r8168_mac_ocp_write(tp, 0xF88A, 0x9BA2); |
| r8168_mac_ocp_write(tp, 0xF88C, 0x1B04); |
| r8168_mac_ocp_write(tp, 0xF88E, 0xC508); |
| r8168_mac_ocp_write(tp, 0xF890, 0x9BA0); |
| r8168_mac_ocp_write(tp, 0xF892, 0xC505); |
| r8168_mac_ocp_write(tp, 0xF894, 0xBD00); |
| r8168_mac_ocp_write(tp, 0xF896, 0xC502); |
| r8168_mac_ocp_write(tp, 0xF898, 0xBD00); |
| r8168_mac_ocp_write(tp, 0xF89A, 0x0300); |
| r8168_mac_ocp_write(tp, 0xF89C, 0x051E); |
| r8168_mac_ocp_write(tp, 0xF89E, 0xE434); |
| r8168_mac_ocp_write(tp, 0xF8A0, 0xE018); |
| r8168_mac_ocp_write(tp, 0xF8A2, 0xE092); |
| r8168_mac_ocp_write(tp, 0xF8A4, 0xDE20); |
| r8168_mac_ocp_write(tp, 0xF8A6, 0xD3C0); |
| r8168_mac_ocp_write(tp, 0xF8A8, 0xC50F); |
| r8168_mac_ocp_write(tp, 0xF8AA, 0x76A4); |
| r8168_mac_ocp_write(tp, 0xF8AC, 0x49E3); |
| r8168_mac_ocp_write(tp, 0xF8AE, 0xF007); |
| r8168_mac_ocp_write(tp, 0xF8B0, 0x49C0); |
| r8168_mac_ocp_write(tp, 0xF8B2, 0xF103); |
| r8168_mac_ocp_write(tp, 0xF8B4, 0xC607); |
| r8168_mac_ocp_write(tp, 0xF8B6, 0xBE00); |
| r8168_mac_ocp_write(tp, 0xF8B8, 0xC606); |
| r8168_mac_ocp_write(tp, 0xF8BA, 0xBE00); |
| r8168_mac_ocp_write(tp, 0xF8BC, 0xC602); |
| r8168_mac_ocp_write(tp, 0xF8BE, 0xBE00); |
| r8168_mac_ocp_write(tp, 0xF8C0, 0x0C4C); |
| r8168_mac_ocp_write(tp, 0xF8C2, 0x0C28); |
| r8168_mac_ocp_write(tp, 0xF8C4, 0x0C2C); |
| r8168_mac_ocp_write(tp, 0xF8C6, 0xDC00); |
| r8168_mac_ocp_write(tp, 0xF8C8, 0xC707); |
| r8168_mac_ocp_write(tp, 0xF8CA, 0x1D00); |
| r8168_mac_ocp_write(tp, 0xF8CC, 0x8DE2); |
| r8168_mac_ocp_write(tp, 0xF8CE, 0x48C1); |
| r8168_mac_ocp_write(tp, 0xF8D0, 0xC502); |
| r8168_mac_ocp_write(tp, 0xF8D2, 0xBD00); |
| r8168_mac_ocp_write(tp, 0xF8D4, 0x00AA); |
| r8168_mac_ocp_write(tp, 0xF8D6, 0xE0C0); |
| r8168_mac_ocp_write(tp, 0xF8D8, 0xC502); |
| r8168_mac_ocp_write(tp, 0xF8DA, 0xBD00); |
| r8168_mac_ocp_write(tp, 0xF8DC, 0x0132); |
| |
| r8168_mac_ocp_write(tp, 0xFC26, 0x8000); |
| |
| r8168_mac_ocp_write(tp, 0xFC2A, 0x0743); |
| r8168_mac_ocp_write(tp, 0xFC2C, 0x0801); |
| r8168_mac_ocp_write(tp, 0xFC2E, 0x0BE9); |
| r8168_mac_ocp_write(tp, 0xFC30, 0x02FD); |
| r8168_mac_ocp_write(tp, 0xFC32, 0x0C25); |
| r8168_mac_ocp_write(tp, 0xFC34, 0x00A9); |
| r8168_mac_ocp_write(tp, 0xFC36, 0x012D); |
| |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_start_8168h_1(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8168h_1[] = { |
| { 0x1e, 0x0800, 0x0001 }, |
| { 0x1d, 0x0000, 0x0800 }, |
| { 0x05, 0xffff, 0x2089 }, |
| { 0x06, 0xffff, 0x5881 }, |
| { 0x04, 0xffff, 0x854a }, |
| { 0x01, 0xffff, 0x068b } |
| }; |
| int rg_saw_cnt; |
| |
| /* disable aspm and clock request before access ephy */ |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| rtl_ephy_init(tp, e_info_8168h_1); |
| |
| rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06); |
| rtl8168g_set_pause_thresholds(tp, 0x38, 0x48); |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_reset_packet_filter(tp); |
| |
| rtl_eri_set_bits(tp, 0xdc, 0x001c); |
| |
| rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87); |
| |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); |
| |
| rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000); |
| |
| 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_eri_clear_bits(tp, 0x1b0, BIT(12)); |
| |
| rtl_pcie_state_l2l3_disable(tp); |
| |
| rg_saw_cnt = phy_read_paged(tp->phydev, 0x0c42, 0x13) & 0x3fff; |
| if (rg_saw_cnt > 0) { |
| u16 sw_cnt_1ms_ini; |
| |
| sw_cnt_1ms_ini = 16000000/rg_saw_cnt; |
| sw_cnt_1ms_ini &= 0x0fff; |
| r8168_mac_ocp_modify(tp, 0xd412, 0x0fff, sw_cnt_1ms_ini); |
| } |
| |
| r8168_mac_ocp_modify(tp, 0xe056, 0x00f0, 0x0070); |
| r8168_mac_ocp_modify(tp, 0xe052, 0x6000, 0x8008); |
| r8168_mac_ocp_modify(tp, 0xe0d6, 0x01ff, 0x017f); |
| r8168_mac_ocp_modify(tp, 0xd420, 0x0fff, 0x047f); |
| |
| 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_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06); |
| rtl8168g_set_pause_thresholds(tp, 0x2f, 0x5f); |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_reset_packet_filter(tp); |
| |
| rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87); |
| |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); |
| |
| rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000); |
| |
| rtl8168_config_eee_mac(tp); |
| |
| rtl_w0w1_eri(tp, 0x2fc, 0x01, 0x06); |
| |
| 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); |
| |
| 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); |
| |
| 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) |
| { |
| static const struct ephy_info e_info_8168ep_3[] = { |
| { 0x00, 0x0000, 0x0080 }, |
| { 0x0d, 0x0100, 0x0200 }, |
| { 0x19, 0x8021, 0x0000 }, |
| { 0x1e, 0x0000, 0x2000 }, |
| }; |
| |
| /* disable aspm and clock request before access ephy */ |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| rtl_ephy_init(tp, 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); |
| |
| r8168_mac_ocp_modify(tp, 0xd3e2, 0x0fff, 0x0271); |
| r8168_mac_ocp_modify(tp, 0xd3e4, 0x00ff, 0x0000); |
| r8168_mac_ocp_modify(tp, 0xe860, 0x0000, 0x0080); |
| |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_start_8117(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8117[] = { |
| { 0x19, 0x0040, 0x1100 }, |
| { 0x59, 0x0040, 0x1100 }, |
| }; |
| int rg_saw_cnt; |
| |
| rtl8168ep_stop_cmac(tp); |
| |
| /* disable aspm and clock request before access ephy */ |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| rtl_ephy_init(tp, e_info_8117); |
| |
| rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06); |
| rtl8168g_set_pause_thresholds(tp, 0x2f, 0x5f); |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| rtl_reset_packet_filter(tp); |
| |
| rtl_eri_set_bits(tp, 0xd4, 0x0010); |
| |
| rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87); |
| |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); |
| |
| rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000); |
| |
| 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_eri_clear_bits(tp, 0x1b0, BIT(12)); |
| |
| rtl_pcie_state_l2l3_disable(tp); |
| |
| rg_saw_cnt = phy_read_paged(tp->phydev, 0x0c42, 0x13) & 0x3fff; |
| if (rg_saw_cnt > 0) { |
| u16 sw_cnt_1ms_ini; |
| |
| sw_cnt_1ms_ini = (16000000 / rg_saw_cnt) & 0x0fff; |
| r8168_mac_ocp_modify(tp, 0xd412, 0x0fff, sw_cnt_1ms_ini); |
| } |
| |
| r8168_mac_ocp_modify(tp, 0xe056, 0x00f0, 0x0070); |
| r8168_mac_ocp_write(tp, 0xea80, 0x0003); |
| r8168_mac_ocp_modify(tp, 0xe052, 0x0000, 0x0009); |
| r8168_mac_ocp_modify(tp, 0xd420, 0x0fff, 0x047f); |
| |
| 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); |
| |
| /* firmware is for MAC only */ |
| r8169_apply_firmware(tp); |
| |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| 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_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); |
| } |
| |
| static void rtl_hw_start_8102e_2(struct rtl8169_private *tp) |
| { |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| 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_8401(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8401[] = { |
| { 0x01, 0xffff, 0x6fe5 }, |
| { 0x03, 0xffff, 0x0599 }, |
| { 0x06, 0xffff, 0xaf25 }, |
| { 0x07, 0xffff, 0x8e68 }, |
| }; |
| |
| rtl_ephy_init(tp, e_info_8401); |
| RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); |
| } |
| |
| 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); |
| |
| 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); |
| |
| rtl_set_fifo_size(tp, 0x00, 0x00, 0x02, 0x06); |
| rtl_reset_packet_filter(tp); |
| rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000); |
| rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000); |
| rtl_w0w1_eri(tp, 0x0d4, 0x0e00, 0xff00); |
| |
| /* disable EEE */ |
| rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000); |
| |
| 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); |
| |
| /* L0 7us, L1 32us - needed to avoid issues with link-up detection */ |
| rtl_set_aspm_entry_latency(tp, 0x2f); |
| |
| rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000); |
| |
| /* disable EEE */ |
| rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000); |
| |
| rtl_pcie_state_l2l3_disable(tp); |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| DECLARE_RTL_COND(rtl_mac_ocp_e00e_cond) |
| { |
| return r8168_mac_ocp_read(tp, 0xe00e) & BIT(13); |
| } |
| |
| static void rtl_hw_start_8125_common(struct rtl8169_private *tp) |
| { |
| rtl_pcie_state_l2l3_disable(tp); |
| |
| RTL_W16(tp, 0x382, 0x221b); |
| RTL_W8(tp, 0x4500, 0); |
| RTL_W16(tp, 0x4800, 0); |
| |
| /* disable UPS */ |
| r8168_mac_ocp_modify(tp, 0xd40a, 0x0010, 0x0000); |
| |
| RTL_W8(tp, Config1, RTL_R8(tp, Config1) & ~0x10); |
| |
| r8168_mac_ocp_write(tp, 0xc140, 0xffff); |
| r8168_mac_ocp_write(tp, 0xc142, 0xffff); |
| |
| r8168_mac_ocp_modify(tp, 0xd3e2, 0x0fff, 0x03a9); |
| r8168_mac_ocp_modify(tp, 0xd3e4, 0x00ff, 0x0000); |
| r8168_mac_ocp_modify(tp, 0xe860, 0x0000, 0x0080); |
| |
| /* disable new tx descriptor format */ |
| r8168_mac_ocp_modify(tp, 0xeb58, 0x0001, 0x0000); |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_63) |
| r8168_mac_ocp_modify(tp, 0xe614, 0x0700, 0x0200); |
| else |
| r8168_mac_ocp_modify(tp, 0xe614, 0x0700, 0x0400); |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_63) |
| r8168_mac_ocp_modify(tp, 0xe63e, 0x0c30, 0x0000); |
| else |
| r8168_mac_ocp_modify(tp, 0xe63e, 0x0c30, 0x0020); |
| |
| r8168_mac_ocp_modify(tp, 0xc0b4, 0x0000, 0x000c); |
| r8168_mac_ocp_modify(tp, 0xeb6a, 0x00ff, 0x0033); |
| r8168_mac_ocp_modify(tp, 0xeb50, 0x03e0, 0x0040); |
| r8168_mac_ocp_modify(tp, 0xe056, 0x00f0, 0x0030); |
| r8168_mac_ocp_modify(tp, 0xe040, 0x1000, 0x0000); |
| r8168_mac_ocp_modify(tp, 0xea1c, 0x0003, 0x0001); |
| r8168_mac_ocp_modify(tp, 0xe0c0, 0x4f0f, 0x4403); |
| r8168_mac_ocp_modify(tp, 0xe052, 0x0080, 0x0068); |
| r8168_mac_ocp_modify(tp, 0xd430, 0x0fff, 0x047f); |
| |
| r8168_mac_ocp_modify(tp, 0xea1c, 0x0004, 0x0000); |
| r8168_mac_ocp_modify(tp, 0xeb54, 0x0000, 0x0001); |
| udelay(1); |
| r8168_mac_ocp_modify(tp, 0xeb54, 0x0001, 0x0000); |
| RTL_W16(tp, 0x1880, RTL_R16(tp, 0x1880) & ~0x0030); |
| |
| r8168_mac_ocp_write(tp, 0xe098, 0xc302); |
| |
| rtl_loop_wait_low(tp, &rtl_mac_ocp_e00e_cond, 1000, 10); |
| |
| if (tp->mac_version == RTL_GIGA_MAC_VER_63) |
| rtl8125b_config_eee_mac(tp); |
| else |
| rtl8125a_config_eee_mac(tp); |
| |
| RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); |
| udelay(10); |
| } |
| |
| static void rtl_hw_start_8125a_1(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8125a_1[] = { |
| { 0x01, 0xffff, 0xa812 }, |
| { 0x09, 0xffff, 0x520c }, |
| { 0x04, 0xffff, 0xd000 }, |
| { 0x0d, 0xffff, 0xf702 }, |
| { 0x0a, 0xffff, 0x8653 }, |
| { 0x06, 0xffff, 0x001e }, |
| { 0x08, 0xffff, 0x3595 }, |
| { 0x20, 0xffff, 0x9455 }, |
| { 0x21, 0xffff, 0x99ff }, |
| { 0x02, 0xffff, 0x6046 }, |
| { 0x29, 0xffff, 0xfe00 }, |
| { 0x23, 0xffff, 0xab62 }, |
| |
| { 0x41, 0xffff, 0xa80c }, |
| { 0x49, 0xffff, 0x520c }, |
| { 0x44, 0xffff, 0xd000 }, |
| { 0x4d, 0xffff, 0xf702 }, |
| { 0x4a, 0xffff, 0x8653 }, |
| { 0x46, 0xffff, 0x001e }, |
| { 0x48, 0xffff, 0x3595 }, |
| { 0x60, 0xffff, 0x9455 }, |
| { 0x61, 0xffff, 0x99ff }, |
| { 0x42, 0xffff, 0x6046 }, |
| { 0x69, 0xffff, 0xfe00 }, |
| { 0x63, 0xffff, 0xab62 }, |
| }; |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| /* disable aspm and clock request before access ephy */ |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| rtl_ephy_init(tp, e_info_8125a_1); |
| |
| rtl_hw_start_8125_common(tp); |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_start_8125a_2(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8125a_2[] = { |
| { 0x04, 0xffff, 0xd000 }, |
| { 0x0a, 0xffff, 0x8653 }, |
| { 0x23, 0xffff, 0xab66 }, |
| { 0x20, 0xffff, 0x9455 }, |
| { 0x21, 0xffff, 0x99ff }, |
| { 0x29, 0xffff, 0xfe04 }, |
| |
| { 0x44, 0xffff, 0xd000 }, |
| { 0x4a, 0xffff, 0x8653 }, |
| { 0x63, 0xffff, 0xab66 }, |
| { 0x60, 0xffff, 0x9455 }, |
| { 0x61, 0xffff, 0x99ff }, |
| { 0x69, 0xffff, 0xfe04 }, |
| }; |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| |
| /* disable aspm and clock request before access ephy */ |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| rtl_ephy_init(tp, e_info_8125a_2); |
| |
| rtl_hw_start_8125_common(tp); |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_start_8125b(struct rtl8169_private *tp) |
| { |
| static const struct ephy_info e_info_8125b[] = { |
| { 0x0b, 0xffff, 0xa908 }, |
| { 0x1e, 0xffff, 0x20eb }, |
| { 0x4b, 0xffff, 0xa908 }, |
| { 0x5e, 0xffff, 0x20eb }, |
| { 0x22, 0x0030, 0x0020 }, |
| { 0x62, 0x0030, 0x0020 }, |
| }; |
| |
| rtl_set_def_aspm_entry_latency(tp); |
| rtl_hw_aspm_clkreq_enable(tp, false); |
| |
| rtl_ephy_init(tp, e_info_8125b); |
| rtl_hw_start_8125_common(tp); |
| |
| rtl_hw_aspm_clkreq_enable(tp, true); |
| } |
| |
| static void rtl_hw_config(struct rtl8169_private *tp) |
| { |
| static const rtl_generic_fct hw_configs[] = { |
| [RTL_GIGA_MAC_VER_07] = rtl_hw_start_8102e_1, |
| [RTL_GIGA_MAC_VER_08] = rtl_hw_start_8102e_3, |
| [RTL_GIGA_MAC_VER_09] = rtl_hw_start_8102e_2, |
| [RTL_GIGA_MAC_VER_10] = NULL, |
| [RTL_GIGA_MAC_VER_11] = rtl_hw_start_8168b, |
| [RTL_GIGA_MAC_VER_12] = rtl_hw_start_8168b, |
| [RTL_GIGA_MAC_VER_13] = NULL, |
| [RTL_GIGA_MAC_VER_14] = rtl_hw_start_8401, |
| [RTL_GIGA_MAC_VER_16] = NULL, |
| [RTL_GIGA_MAC_VER_17] = rtl_hw_start_8168b, |
| [RTL_GIGA_MAC_VER_18] = rtl_hw_start_8168cp_1, |
| [RTL_GIGA_MAC_VER_19] = rtl_hw_start_8168c_1, |
| [RTL_GIGA_MAC_VER_20] = rtl_hw_start_8168c_2, |
| [RTL_GIGA_MAC_VER_21] = rtl_hw_start_8168c_2, |
| [RTL_GIGA_MAC_VER_22] = rtl_hw_start_8168c_4, |
| [RTL_GIGA_MAC_VER_23] = rtl_hw_start_8168cp_2, |
| [RTL_GIGA_MAC_VER_24] = rtl_hw_start_8168cp_3, |
| [RTL_GIGA_MAC_VER_25] = rtl_hw_start_8168d, |
| [RTL_GIGA_MAC_VER_26] = rtl_hw_start_8168d, |
| [RTL_GIGA_MAC_VER_28] = rtl_hw_start_8168d_4, |
| [RTL_GIGA_MAC_VER_29] = rtl_hw_start_8105e_1, |
| [RTL_GIGA_MAC_VER_30] = rtl_hw_start_8105e_2, |
| [RTL_GIGA_MAC_VER_31] = rtl_hw_start_8168d, |
| [RTL_GIGA_MAC_VER_32] = rtl_hw_start_8168e_1, |
| [RTL_GIGA_MAC_VER_33] = rtl_hw_start_8168e_1, |
| [RTL_GIGA_MAC_VER_34] = rtl_hw_start_8168e_2, |
| [RTL_GIGA_MAC_VER_35] = rtl_hw_start_8168f_1, |
| [RTL_GIGA_MAC_VER_36] = rtl_hw_start_8168f_1, |
| [RTL_GIGA_MAC_VER_37] = rtl_hw_start_8402, |
| [RTL_GIGA_MAC_VER_38] = rtl_hw_start_8411, |
| [RTL_GIGA_MAC_VER_39] = rtl_hw_start_8106, |
| [RTL_GIGA_MAC_VER_40] = rtl_hw_start_8168g_1, |
| [RTL_GIGA_MAC_VER_41] = rtl_hw_start_8168g_1, |
| [RTL_GIGA_MAC_VER_42] = rtl_hw_start_8168g_2, |
| [RTL_GIGA_MAC_VER_43] = rtl_hw_start_8168g_2, |
| [RTL_GIGA_MAC_VER_44] = rtl_hw_start_8411_2, |
| [RTL_GIGA_MAC_VER_45] = rtl_hw_start_8168h_1, |
| [RTL_GIGA_MAC_VER_46] = rtl_hw_start_8168h_1, |
| [RTL_GIGA_MAC_VER_47] = rtl_hw_start_8168h_1, |
| [RTL_GIGA_MAC_VER_48] = rtl_hw_start_8168h_1, |
| [RTL_GIGA_MAC_VER_49] = rtl_hw_start_8168ep_1, |
| [RTL_GIGA_MAC_VER_50] = rtl_hw_start_8168ep_2, |
| [RTL_GIGA_MAC_VER_51] = rtl_hw_start_8168ep_3, |
| [RTL_GIGA_MAC_VER_52] = rtl_hw_start_8117, |
| [RTL_GIGA_MAC_VER_53] = rtl_hw_start_8117, |
| [RTL_GIGA_MAC_VER_60] = rtl_hw_start_8125a_1, |
| [RTL_GIGA_MAC_VER_61] = rtl_hw_start_8125a_2, |
| [RTL_GIGA_MAC_VER_63] = rtl_hw_start_8125b, |
| }; |
| |
| if (hw_configs[tp->mac_version]) |
| hw_configs[tp->mac_version](tp); |
| } |
| |
| static void rtl_hw_start_8125(struct rtl8169_private *tp) |
| { |
| int i; |
| |
| /* disable interrupt coalescing */ |
| for (i = 0xa00; i < 0xb00; i += 4) |
| RTL_W32(tp, i, 0); |
| |
| rtl_hw_config(tp); |
| } |
| |
| static void rtl_hw_start_8168(struct rtl8169_private *tp) |
| { |
| if (rtl_is_8168evl_up(tp)) |
| RTL_W8(tp, MaxTxPacketSize, EarlySize); |
| else |
| RTL_W8(tp, MaxTxPacketSize, TxPacketMax); |
| |
| rtl_hw_config(tp); |
| |
| /* disable interrupt coalescing */ |
| RTL_W16(tp, IntrMitigate, 0x0000); |
| } |
| |
| static void rtl_hw_start_8169(struct rtl8169_private *tp) |
| { |
| 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) |
| tp->cp_cmd |= EnAnaPLL; |
| |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| |
| rtl8169_set_magic_reg(tp); |
| |
| /* disable interrupt coalescing */ |
| RTL_W16(tp, IntrMitigate, 0x0000); |
| } |
| |
| static void rtl_hw_start(struct rtl8169_private *tp) |
| { |
| rtl_unlock_config_regs(tp); |
| |
| RTL_W16(tp, CPlusCmd, tp->cp_cmd); |
| |
| if (tp->mac_version <= RTL_GIGA_MAC_VER_06) |
| rtl_hw_start_8169(tp); |
| else if (rtl_is_8125(tp)) |
| rtl_hw_start_8125(tp); |
| else |
| rtl_hw_start_8168(tp); |
| |
| rtl_enable_exit_l1(tp); |
| rtl_set_rx_max_size(tp); |
| rtl_set_rx_tx_desc_registers(tp); |
| rtl_lock_config_regs(tp); |
| |
| rtl_jumbo_config(tp); |
| |
| /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ |
| rtl_pci_commit(tp); |
| |
| RTL_W8(tp, ChipCmd, CmdTxEnb | CmdRxEnb); |
| rtl_init_rxcfg(tp); |
| rtl_set_tx_config_registers(tp); |
| rtl_set_rx_config_features(tp, tp->dev->features); |
| rtl_set_rx_mode(tp->dev); |
| rtl_irq_enable(tp); |
| } |
| |
| static int rtl8169_change_mtu(struct net_device *dev, int new_mtu) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| dev->mtu = new_mtu; |
| netdev_update_features(dev); |
| rtl_jumbo_config(tp); |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_61: |
| case RTL_GIGA_MAC_VER_63: |
| rtl8125_set_eee_txidle_timer(tp); |
| break; |
| default: |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static void rtl8169_mark_to_asic(struct RxDesc *desc) |
| { |
| u32 eor = le32_to_cpu(desc->opts1) & RingEnd; |
| |
| desc->opts2 = 0; |
| /* Force memory writes to complete before releasing descriptor */ |
| dma_wmb(); |
| WRITE_ONCE(desc->opts1, cpu_to_le32(DescOwn | eor | R8169_RX_BUF_SIZE)); |
| } |
| |
| static struct page *rtl8169_alloc_rx_data(struct rtl8169_private *tp, |
| struct RxDesc *desc) |
| { |
| struct device *d = tp_to_dev(tp); |
| int node = dev_to_node(d); |
| dma_addr_t mapping; |
| struct page *data; |
| |
| data = alloc_pages_node(node, GFP_KERNEL, get_order(R8169_RX_BUF_SIZE)); |
| if (!data) |
| return NULL; |
| |
| mapping = dma_map_page(d, data, 0, R8169_RX_BUF_SIZE, DMA_FROM_DEVICE); |
| if (unlikely(dma_mapping_error(d, mapping))) { |
| netdev_err(tp->dev, "Failed to map RX DMA!\n"); |
| __free_pages(data, get_order(R8169_RX_BUF_SIZE)); |
| return NULL; |
| } |
| |
| desc->addr = cpu_to_le64(mapping); |
| rtl8169_mark_to_asic(desc); |
| |
| return data; |
| } |
| |
| static void rtl8169_rx_clear(struct rtl8169_private *tp) |
| { |
| int i; |
| |
| for (i = 0; i < NUM_RX_DESC && tp->Rx_databuff[i]; i++) { |
| dma_unmap_page(tp_to_dev(tp), |
| le64_to_cpu(tp->RxDescArray[i].addr), |
| R8169_RX_BUF_SIZE, DMA_FROM_DEVICE); |
| __free_pages(tp->Rx_databuff[i], get_order(R8169_RX_BUF_SIZE)); |
| tp->Rx_databuff[i] = NULL; |
| tp->RxDescArray[i].addr = 0; |
| tp->RxDescArray[i].opts1 = 0; |
| } |
| } |
| |
| static int rtl8169_rx_fill(struct rtl8169_private *tp) |
| { |
| int i; |
| |
| for (i = 0; i < NUM_RX_DESC; i++) { |
| struct page *data; |
| |
| data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i); |
| if (!data) { |
| rtl8169_rx_clear(tp); |
| return -ENOMEM; |
| } |
| tp->Rx_databuff[i] = data; |
| } |
| |
| /* mark as last descriptor in the ring */ |
| tp->RxDescArray[NUM_RX_DESC - 1].opts1 |= cpu_to_le32(RingEnd); |
| |
| return 0; |
| } |
| |
| 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 rtl8169_private *tp, unsigned int entry) |
| { |
| struct ring_info *tx_skb = tp->tx_skb + entry; |
| struct TxDesc *desc = tp->TxDescArray + entry; |
| |
| dma_unmap_single(tp_to_dev(tp), le64_to_cpu(desc->addr), tx_skb->len, |
| DMA_TO_DEVICE); |
| memset(desc, 0, sizeof(*desc)); |
| memset(tx_skb, 0, sizeof(*tx_skb)); |
| } |
| |
| 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, entry); |
| if (skb) |
| dev_consume_skb_any(skb); |
| } |
| } |
| } |
| |
| static void rtl8169_tx_clear(struct rtl8169_private *tp) |
| { |
| rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC); |
| netdev_reset_queue(tp->dev); |
| } |
| |
| static void rtl8169_cleanup(struct rtl8169_private *tp, bool going_down) |
| { |
| napi_disable(&tp->napi); |
| |
| /* Give a racing hard_start_xmit a few cycles to complete. */ |
| synchronize_net(); |
| |
| /* Disable interrupts */ |
| rtl8169_irq_mask_and_ack(tp); |
| |
| rtl_rx_close(tp); |
| |
| if (going_down && tp->dev->wol_enabled) |
| goto no_reset; |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_28: |
| case RTL_GIGA_MAC_VER_31: |
| rtl_loop_wait_low(tp, &rtl_npq_cond, 20, 2000); |
| break; |
| case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38: |
| RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq); |
| rtl_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666); |
| break; |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_63: |
| rtl_enable_rxdvgate(tp); |
| fsleep(2000); |
| break; |
| default: |
| RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq); |
| fsleep(100); |
| break; |
| } |
| |
| rtl_hw_reset(tp); |
| no_reset: |
| rtl8169_tx_clear(tp); |
| rtl8169_init_ring_indexes(tp); |
| } |
| |
| static void rtl_reset_work(struct rtl8169_private *tp) |
| { |
| int i; |
| |
| netif_stop_queue(tp->dev); |
| |
| rtl8169_cleanup(tp, false); |
| |
| for (i = 0; i < NUM_RX_DESC; i++) |
| rtl8169_mark_to_asic(tp->RxDescArray + i); |
| |
| napi_enable(&tp->napi); |
| rtl_hw_start(tp); |
| } |
| |
| static void rtl8169_tx_timeout(struct net_device *dev, unsigned int txqueue) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); |
| } |
| |
| static int rtl8169_tx_map(struct rtl8169_private *tp, const u32 *opts, u32 len, |
| void *addr, unsigned int entry, bool desc_own) |
| { |
| struct TxDesc *txd = tp->TxDescArray + entry; |
| struct device *d = tp_to_dev(tp); |
| dma_addr_t mapping; |
| u32 opts1; |
| int ret; |
| |
| mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE); |
| ret = dma_mapping_error(d, mapping); |
| if (unlikely(ret)) { |
| if (net_ratelimit()) |
| netdev_err(tp->dev, "Failed to map TX data!\n"); |
| return ret; |
| } |
| |
| txd->addr = cpu_to_le64(mapping); |
| txd->opts2 = cpu_to_le32(opts[1]); |
| |
| opts1 = opts[0] | len; |
| if (entry == NUM_TX_DESC - 1) |
| opts1 |= RingEnd; |
| if (desc_own) |
| opts1 |= DescOwn; |
| txd->opts1 = cpu_to_le32(opts1); |
| |
| tp->tx_skb[entry].len = len; |
| |
| return 0; |
| } |
| |
| static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb, |
| const u32 *opts, unsigned int entry) |
| { |
| struct skb_shared_info *info = skb_shinfo(skb); |
| unsigned int cur_frag; |
| |
| for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) { |
| const skb_frag_t *frag = info->frags + cur_frag; |
| void *addr = skb_frag_address(frag); |
| u32 len = skb_frag_size(frag); |
| |
| entry = (entry + 1) % NUM_TX_DESC; |
| |
| if (unlikely(rtl8169_tx_map(tp, opts, len, addr, entry, true))) |
| goto err_out; |
| } |
| |
| return 0; |
| |
| err_out: |
| rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag); |
| return -EIO; |
| } |
| |
| static bool rtl_skb_is_udp(struct sk_buff *skb) |
| { |
| int no = skb_network_offset(skb); |
| struct ipv6hdr *i6h, _i6h; |
| struct iphdr *ih, _ih; |
| |
| switch (vlan_get_protocol(skb)) { |
| case htons(ETH_P_IP): |
| ih = skb_header_pointer(skb, no, sizeof(_ih), &_ih); |
| return ih && ih->protocol == IPPROTO_UDP; |
| case htons(ETH_P_IPV6): |
| i6h = skb_header_pointer(skb, no, sizeof(_i6h), &_i6h); |
| return i6h && i6h->nexthdr == IPPROTO_UDP; |
| default: |
| return false; |
| } |
| } |
| |
| #define RTL_MIN_PATCH_LEN 47 |
| |
| /* see rtl8125_get_patch_pad_len() in r8125 vendor driver */ |
| static unsigned int rtl8125_quirk_udp_padto(struct rtl8169_private *tp, |
| struct sk_buff *skb) |
| { |
| unsigned int padto = 0, len = skb->len; |
| |
| if (rtl_is_8125(tp) && len < 128 + RTL_MIN_PATCH_LEN && |
| rtl_skb_is_udp(skb) && skb_transport_header_was_set(skb)) { |
| unsigned int trans_data_len = skb_tail_pointer(skb) - |
| skb_transport_header(skb); |
| |
| if (trans_data_len >= offsetof(struct udphdr, len) && |
| trans_data_len < RTL_MIN_PATCH_LEN) { |
| u16 dest = ntohs(udp_hdr(skb)->dest); |
| |
| /* dest is a standard PTP port */ |
| if (dest == 319 || dest == 320) |
| padto = len + RTL_MIN_PATCH_LEN - trans_data_len; |
| } |
| |
| if (trans_data_len < sizeof(struct udphdr)) |
| padto = max_t(unsigned int, padto, |
| len + sizeof(struct udphdr) - trans_data_len); |
| } |
| |
| return padto; |
| } |
| |
| static unsigned int rtl_quirk_packet_padto(struct rtl8169_private *tp, |
| struct sk_buff *skb) |
| { |
| unsigned int padto; |
| |
| padto = rtl8125_quirk_udp_padto(tp, skb); |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_34: |
| case RTL_GIGA_MAC_VER_60: |
| case RTL_GIGA_MAC_VER_61: |
| case RTL_GIGA_MAC_VER_63: |
| padto = max_t(unsigned int, padto, ETH_ZLEN); |
| break; |
| default: |
| break; |
| } |
| |
| return padto; |
| } |
| |
| static void rtl8169_tso_csum_v1(struct sk_buff *skb, u32 *opts) |
| { |
| u32 mss = skb_shinfo(skb)->gso_size; |
| |
| if (mss) { |
| opts[0] |= TD_LSO; |
| opts[0] |= mss << 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); |
| } |
| } |
| |
| static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp, |
| struct sk_buff *skb, u32 *opts) |
| { |
| u32 transport_offset = (u32)skb_transport_offset(skb); |
| struct skb_shared_info *shinfo = skb_shinfo(skb); |
| u32 mss = shinfo->gso_size; |
| |
| if (mss) { |
| if (shinfo->gso_type & SKB_GSO_TCPV4) { |
| opts[0] |= TD1_GTSENV4; |
| } else if (shinfo->gso_type & SKB_GSO_TCPV6) { |
| if (skb_cow_head(skb, 0)) |
| return false; |
| |
| tcp_v6_gso_csum_prep(skb); |
| opts[0] |= TD1_GTSENV6; |
| } else { |
| WARN_ON_ONCE(1); |
| } |
| |
| opts[0] |= transport_offset << GTTCPHO_SHIFT; |
| opts[1] |= mss << TD1_MSS_SHIFT; |
| } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
| u8 ip_protocol; |
| |
| 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 { |
| unsigned int padto = rtl_quirk_packet_padto(tp, skb); |
| |
| /* skb_padto would free the skb on error */ |
| return !__skb_put_padto(skb, padto, false); |
| } |
| |
| return true; |
| } |
| |
| static bool rtl_tx_slots_avail(struct rtl8169_private *tp) |
| { |
| unsigned int slots_avail = READ_ONCE(tp->dirty_tx) + NUM_TX_DESC |
| - READ_ONCE(tp->cur_tx); |
| |
| /* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */ |
| return slots_avail > MAX_SKB_FRAGS; |
| } |
| |
| /* 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_02 ... RTL_GIGA_MAC_VER_06: |
| case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17: |
| return false; |
| default: |
| return true; |
| } |
| } |
| |
| static void rtl8169_doorbell(struct rtl8169_private *tp) |
| { |
| if (rtl_is_8125(tp)) |
| RTL_W16(tp, TxPoll_8125, BIT(0)); |
| else |
| RTL_W8(tp, TxPoll, NPQ); |
| } |
| |
| static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, |
| struct net_device *dev) |
| { |
| unsigned int frags = skb_shinfo(skb)->nr_frags; |
| struct rtl8169_private *tp = netdev_priv(dev); |
| unsigned int entry = tp->cur_tx % NUM_TX_DESC; |
| struct TxDesc *txd_first, *txd_last; |
| bool stop_queue, door_bell; |
| u32 opts[2]; |
| |
| if (unlikely(!rtl_tx_slots_avail(tp))) { |
| if (net_ratelimit()) |
| netdev_err(dev, "BUG! Tx Ring full when queue awake!\n"); |
| goto err_stop_0; |
| } |
| |
| opts[1] = rtl8169_tx_vlan_tag(skb); |
| opts[0] = 0; |
| |
| if (!rtl_chip_supports_csum_v2(tp)) |
| rtl8169_tso_csum_v1(skb, opts); |
| else if (!rtl8169_tso_csum_v2(tp, skb, opts)) |
| goto err_dma_0; |
| |
| if (unlikely(rtl8169_tx_map(tp, opts, skb_headlen(skb), skb->data, |
| entry, false))) |
| goto err_dma_0; |
| |
| txd_first = tp->TxDescArray + entry; |
| |
| if (frags) { |
| if (rtl8169_xmit_frags(tp, skb, opts, entry)) |
| goto err_dma_1; |
| entry = (entry + frags) % NUM_TX_DESC; |
| } |
| |
| txd_last = tp->TxDescArray + entry; |
| txd_last->opts1 |= cpu_to_le32(LastFrag); |
| tp->tx_skb[entry].skb = skb; |
| |
| skb_tx_timestamp(skb); |
| |
| /* Force memory writes to complete before releasing descriptor */ |
| dma_wmb(); |
| |
| door_bell = __netdev_sent_queue(dev, skb->len, netdev_xmit_more()); |
| |
| txd_first->opts1 |= cpu_to_le32(DescOwn | FirstFrag); |
| |
| /* rtl_tx needs to see descriptor changes before updated tp->cur_tx */ |
| smp_wmb(); |
| |
| WRITE_ONCE(tp->cur_tx, tp->cur_tx + frags + 1); |
| |
| stop_queue = !rtl_tx_slots_avail(tp); |
| if (unlikely(stop_queue)) { |
| /* 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__after_atomic(); |
| if (rtl_tx_slots_avail(tp)) |
| netif_start_queue(dev); |
| door_bell = true; |
| } |
| |
| if (door_bell) |
| rtl8169_doorbell(tp); |
| |
| return NETDEV_TX_OK; |
| |
| err_dma_1: |
| rtl8169_unmap_tx_skb(tp, entry); |
| 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 unsigned int rtl_last_frag_len(struct sk_buff *skb) |
| { |
| struct skb_shared_info *info = skb_shinfo(skb); |
| unsigned int nr_frags = info->nr_frags; |
| |
| if (!nr_frags) |
| return UINT_MAX; |
| |
| return skb_frag_size(info->frags + nr_frags - 1); |
| } |
| |
| /* Workaround for hw issues with TSO on RTL8168evl */ |
| static netdev_features_t rtl8168evl_fix_tso(struct sk_buff *skb, |
| netdev_features_t features) |
| { |
| /* IPv4 header has options field */ |
| if (vlan_get_protocol(skb) == htons(ETH_P_IP) && |
| ip_hdrlen(skb) > sizeof(struct iphdr)) |
| features &= ~NETIF_F_ALL_TSO; |
| |
| /* IPv4 TCP header has options field */ |
| else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4 && |
| tcp_hdrlen(skb) > sizeof(struct tcphdr)) |
| features &= ~NETIF_F_ALL_TSO; |
| |
| else if (rtl_last_frag_len(skb) <= 6) |
| features &= ~NETIF_F_ALL_TSO; |
| |
| return features; |
| } |
| |
| static netdev_features_t rtl8169_features_check(struct sk_buff *skb, |
| struct net_device *dev, |
| netdev_features_t features) |
| { |
| int transport_offset = skb_transport_offset(skb); |
| struct rtl8169_private *tp = netdev_priv(dev); |
| |
| if (skb_is_gso(skb)) { |
| if (tp->mac_version == RTL_GIGA_MAC_VER_34) |
| features = rtl8168evl_fix_tso(skb, features); |
| |
| if (transport_offset > GTTCPHO_MAX && |
| rtl_chip_supports_csum_v2(tp)) |
| features &= ~NETIF_F_ALL_TSO; |
| } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
| /* work around hw bug on some chip versions */ |
| if (skb->len < ETH_ZLEN) |
| features &= ~NETIF_F_CSUM_MASK; |
| |
| if (rtl_quirk_packet_padto(tp, skb)) |
| features &= ~NETIF_F_CSUM_MASK; |
| |
| if (transport_offset > TCPHO_MAX && |
| rtl_chip_supports_csum_v2(tp)) |
| features &= ~NETIF_F_CSUM_MASK; |
| } |
| |
| return vlan_features_check(skb, features); |
| } |
| |
| static void rtl8169_pcierr_interrupt(struct net_device *dev) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| struct pci_dev *pdev = tp->pci_dev; |
| int pci_status_errs; |
| u16 pci_cmd; |
| |
| pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); |
| |
| pci_status_errs = pci_status_get_and_clear_errors(pdev); |
| |
| if (net_ratelimit()) |
| netdev_err(dev, "PCI error (cmd = 0x%04x, status_errs = 0x%04x)\n", |
| pci_cmd, pci_status_errs); |
| |
| 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, bytes_compl = 0, pkts_compl = 0; |
| struct sk_buff *skb; |
| |
| dirty_tx = tp->dirty_tx; |
| |
| while (READ_ONCE(tp->cur_tx) != dirty_tx) { |
| unsigned int entry = dirty_tx % NUM_TX_DESC; |
| u32 status; |
| |
| status = le32_to_cpu(tp->TxDescArray[entry].opts1); |
| if (status & DescOwn) |
| break; |
| |
| skb = tp->tx_skb[entry].skb; |
| rtl8169_unmap_tx_skb(tp, entry); |
| |
| if (skb) { |
| pkts_compl++; |
| bytes_compl += skb->len; |
| napi_consume_skb(skb, budget); |
| } |
| dirty_tx++; |
| } |
| |
| if (tp->dirty_tx != dirty_tx) { |
| netdev_completed_queue(dev, pkts_compl, bytes_compl); |
| dev_sw_netstats_tx_add(dev, pkts_compl, bytes_compl); |
| |
| /* 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_store_mb(tp->dirty_tx, dirty_tx); |
| if (netif_queue_stopped(dev) && rtl_tx_slots_avail(tp)) |
| 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 skb is NULL then we come here again once a tx irq is |
| * triggered after the last fragment is marked transmitted. |
| */ |
| if (tp->cur_tx != dirty_tx && skb) |
| rtl8169_doorbell(tp); |
| } |
| } |
| |
| 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 | RxCSFailMask); |
| |
| if (status == RxProtoTCP || status == RxProtoUDP) |
| skb->ip_summed = CHECKSUM_UNNECESSARY; |
| else |
| skb_checksum_none_assert(skb); |
| } |
| |
| static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, int budget) |
| { |
| struct device *d = tp_to_dev(tp); |
| int count; |
| |
| for (count = 0; count < budget; count++, tp->cur_rx++) { |
| unsigned int pkt_size, entry = tp->cur_rx % NUM_RX_DESC; |
| struct RxDesc *desc = tp->RxDescArray + entry; |
| struct sk_buff *skb; |
| const void *rx_buf; |
| dma_addr_t addr; |
| 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)) { |
| if (net_ratelimit()) |
| netdev_warn(dev, "Rx ERROR. status = %08x\n", |
| status); |
| dev->stats.rx_errors++; |
| if (status & (RxRWT | RxRUNT)) |
| dev->stats.rx_length_errors++; |
| if (status & RxCRC) |
| dev->stats.rx_crc_errors++; |
| |
| if (!(dev->features & NETIF_F_RXALL)) |
| goto release_descriptor; |
| else if (status & RxRWT || !(status & (RxRUNT | RxCRC))) |
| goto release_descriptor; |
| } |
| |
| pkt_size = status & GENMASK(13, 0); |
| if (likely(!(dev->features & NETIF_F_RXFCS))) |
| pkt_size -= ETH_FCS_LEN; |
| |
| /* 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 = napi_alloc_skb(&tp->napi, pkt_size); |
| if (unlikely(!skb)) { |
| dev->stats.rx_dropped++; |
| goto release_descriptor; |
| } |
| |
| addr = le64_to_cpu(desc->addr); |
| rx_buf = page_address(tp->Rx_databuff[entry]); |
| |
| dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE); |
| prefetch(rx_buf); |
| skb_copy_to_linear_data(skb, rx_buf, pkt_size); |
| skb->tail += pkt_size; |
| skb->len = pkt_size; |
| dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE); |
| |
| rtl8169_rx_csum(skb, status); |
| 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); |
| |
| dev_sw_netstats_rx_add(dev, pkt_size); |
| release_descriptor: |
| rtl8169_mark_to_asic(desc); |
| } |
| |
| return count; |
| } |
| |
| static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) |
| { |
| struct rtl8169_private *tp = dev_instance; |
| u32 status = rtl_get_events(tp); |
| |
| if ((status & 0xffff) == 0xffff || !(status & tp->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); |
| rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); |
| } |
| |
| if (napi_schedule_prep(&tp->napi)) { |
| rtl_irq_disable(tp); |
| __napi_schedule(&tp->napi); |
| } |
| out: |
| rtl_ack_events(tp, status); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static void rtl_task(struct work_struct *work) |
| { |
| struct rtl8169_private *tp = |
| container_of(work, struct rtl8169_private, wk.work); |
| |
| rtnl_lock(); |
| |
| if (!netif_running(tp->dev) || |
| !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags)) |
| goto out_unlock; |
| |
| if (test_and_clear_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags)) { |
| rtl_reset_work(tp); |
| netif_wake_queue(tp->dev); |
| } |
| out_unlock: |
| rtnl_unlock(); |
| } |
| |
| 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; |
| |
| rtl_tx(dev, tp, budget); |
| |
| work_done = rtl_rx(dev, tp, budget); |
| |
| if (work_done < budget && napi_complete_done(napi, work_done)) |
| rtl_irq_enable(tp); |
| |
| return work_done; |
| } |
| |
| 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); |
| |
| phy_attached_info(phydev); |
| |
| return 0; |
| } |
| |
| static void rtl8169_down(struct rtl8169_private *tp) |
| { |
| /* Clear all task flags */ |
| bitmap_zero(tp->wk.flags, RTL_FLAG_MAX); |
| |
| phy_stop(tp->phydev); |
| |
| rtl8169_update_counters(tp); |
| |
| pci_clear_master(tp->pci_dev); |
| rtl_pci_commit(tp); |
| |
| rtl8169_cleanup(tp, true); |
| rtl_disable_exit_l1(tp); |
| rtl_prepare_power_down(tp); |
| } |
| |
| static void rtl8169_up(struct rtl8169_private *tp) |
| { |
| pci_set_master(tp->pci_dev); |
| phy_init_hw(tp->phydev); |
| phy_resume(tp->phydev); |
| rtl8169_init_phy(tp); |
| napi_enable(&tp->napi); |
| set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags); |
| rtl_reset_work(tp); |
| |
| phy_start(tp->phydev); |
| } |
| |
| 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); |
| |
| netif_stop_queue(dev); |
| rtl8169_down(tp); |
| rtl8169_rx_clear(tp); |
| |
| cancel_work_sync(&tp->wk.work); |
| |
| free_irq(tp->irq, tp); |
| |
| phy_disconnect(tp->phydev); |
| |
| 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(tp->irq, tp); |
| } |
| #endif |
| |
| static int rtl_open(struct net_device *dev) |
| { |
| struct rtl8169_private *tp = netdev_priv(dev); |
| struct pci_dev *pdev = tp->pci_dev; |
| unsigned long irqflags; |
| 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 out; |
| |
| 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); |
| |
| irqflags = pci_dev_msi_enabled(pdev) ? IRQF_NO_THREAD : IRQF_SHARED; |
| retval = request_irq(tp->irq, rtl8169_interrupt, irqflags, dev->name, tp); |
| if (retval < 0) |
| goto err_release_fw_2; |
| |
| retval = r8169_phy_connect(tp); |
| if (retval) |
| goto err_free_irq; |
| |
| rtl8169_up(tp); |
| rtl8169_init_counter_offsets(tp); |
| netif_start_queue(dev); |
| out: |
| pm_runtime_put_sync(&pdev->dev); |
| |
| return retval; |
| |
| err_free_irq: |
| free_irq(tp->irq, 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; |
| 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; |
| |
| pm_runtime_get_noresume(&pdev->dev); |
| |
| netdev_stats_to_stats64(stats, &dev->stats); |
| dev_fetch_sw_netstats(stats, dev->tstats); |
| |
| /* |
| * Fetch additional 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); |
| stats->rx_missed_errors = le16_to_cpu(counters->rx_missed) - |
| le16_to_cpu(tp->tc_offset.rx_missed); |
| |
| pm_runtime_put_noidle(&pdev->dev); |
| } |
| |
| static void rtl8169_net_suspend(struct rtl8169_private *tp) |
| { |
| netif_device_detach(tp->dev); |
| |
| if (netif_running(tp->dev)) |
| rtl8169_down(tp); |
| } |
| |
| static int rtl8169_runtime_resume(struct device *dev) |
| { |
| struct rtl8169_private *tp = dev_get_drvdata(dev); |
| |
| rtl_rar_set(tp, tp->dev->dev_addr); |
| __rtl8169_set_wol(tp, tp->saved_wolopts); |
| |
| if (tp->TxDescArray) |
| rtl8169_up(tp); |
| |
| netif_device_attach(tp->dev); |
| |
| return 0; |
| } |
| |
| static int rtl8169_suspend(struct device *device) |
| { |
| struct rtl8169_private *tp = dev_get_drvdata(device); |
| |
| rtnl_lock(); |
| rtl8169_net_suspend(tp); |
| if (!device_may_wakeup(tp_to_dev(tp))) |
| clk_disable_unprepare(tp->clk); |
| rtnl_unlock(); |
| |
| return 0; |
| } |
| |
| static int rtl8169_resume(struct device *device) |
| { |
| struct rtl8169_private *tp = dev_get_drvdata(device); |
| |
| if (!device_may_wakeup(tp_to_dev(tp))) |
| clk_prepare_enable(tp->clk); |
| |
| /* Reportedly at least Asus X453MA truncates packets otherwise */ |
| if (tp->mac_version == RTL_GIGA_MAC_VER_37) |
| rtl_init_rxcfg(tp); |
| |
| return rtl8169_runtime_resume(device); |
| } |
| |
| static int rtl8169_runtime_suspend(struct device *device) |
| { |
| struct rtl8169_private *tp = dev_get_drvdata(device); |
| |
| if (!tp->TxDescArray) { |
| netif_device_detach(tp->dev); |
| return 0; |
| } |
| |
| rtnl_lock(); |
| __rtl8169_set_wol(tp, WAKE_PHY); |
| rtl8169_net_suspend(tp); |
| rtnl_unlock(); |
| |
| return 0; |
| } |
| |
| static int rtl8169_runtime_idle(struct device *device) |
| { |
| struct rtl8169_private *tp = dev_get_drvdata(device); |
| |
| if (tp->dash_type != RTL_DASH_NONE) |
| return -EBUSY; |
| |
| if (!netif_running(tp->dev) || !netif_carrier_ok(tp->dev)) |
| pm_schedule_suspend(device, 10000); |
| |
| return -EBUSY; |
| } |
| |
| static const struct dev_pm_ops rtl8169_pm_ops = { |
| SYSTEM_SLEEP_PM_OPS(rtl8169_suspend, rtl8169_resume) |
| RUNTIME_PM_OPS(rtl8169_runtime_suspend, rtl8169_runtime_resume, |
| rtl8169_runtime_idle) |
| }; |
| |
| 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); |
| rtl_pci_commit(tp); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void rtl_shutdown(struct pci_dev *pdev) |
| { |
| struct rtl8169_private *tp = pci_get_drvdata(pdev); |
| |
| rtnl_lock(); |
| rtl8169_net_suspend(tp); |
| rtnl_unlock(); |
| |
| /* Restore original MAC address */ |
| rtl_rar_set(tp, tp->dev->perm_addr); |
| |
| if (system_state == SYSTEM_POWER_OFF && |
| tp->dash_type == RTL_DASH_NONE) { |
| if (tp->saved_wolopts) |
| rtl_wol_shutdown_quirk(tp); |
| |
| pci_wake_from_d3(pdev, tp->saved_wolopts); |
| pci_set_power_state(pdev, PCI_D3hot); |
| } |
| } |
| |
| static void rtl_remove_one(struct pci_dev *pdev) |
| { |
| struct rtl8169_private *tp = pci_get_drvdata(pdev); |
| |
| if (pci_dev_run_wake(pdev)) |
| pm_runtime_get_noresume(&pdev->dev); |
| |
| unregister_netdev(tp->dev); |
| |
| if (tp->dash_type != RTL_DASH_NONE) |
| rtl8168_driver_stop(tp); |
| |
| rtl_release_firmware(tp); |
| |
| /* restore original MAC address */ |
| rtl_rar_set(tp, 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_features_check = rtl8169_features_check, |
| .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_eth_ioctl = phy_do_ioctl_running, |
| .ndo_set_rx_mode = rtl_set_rx_mode, |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| .ndo_poll_controller = rtl8169_netpoll, |
| #endif |
| |
| }; |
| |
| static void rtl_set_irq_mask(struct rtl8169_private *tp) |
| { |
| tp->irq_mask = RxOK | RxErr | TxOK | TxErr | LinkChg; |
| |
| if (tp->mac_version <= RTL_GIGA_MAC_VER_06) |
| tp->irq_mask |= SYSErr | RxOverflow | RxFIFOOver; |
| else if (tp->mac_version == RTL_GIGA_MAC_VER_11) |
| /* special workaround needed */ |
| tp->irq_mask |= RxFIFOOver; |
| else |
| tp->irq_mask |= RxOverflow; |
| } |
| |
| static int rtl_alloc_irq(struct rtl8169_private *tp) |
| { |
| unsigned int flags; |
| |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06: |
| rtl_unlock_config_regs(tp); |
| RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~MSIEnable); |
| rtl_lock_config_regs(tp); |
| fallthrough; |
| case RTL_GIGA_MAC_VER_07 ... RTL_GIGA_MAC_VER_17: |
| flags = PCI_IRQ_LEGACY; |
| break; |
| default: |
| flags = PCI_IRQ_ALL_TYPES; |
| break; |
| } |
| |
| 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]) |
| { |
| /* Get MAC address */ |
| if (rtl_is_8168evl_up(tp) && tp->mac_version != RTL_GIGA_MAC_VER_34) { |
| u32 value; |
| |
| value = rtl_eri_read(tp, 0xe0); |
| put_unaligned_le32(value, mac_addr); |
| value = rtl_eri_read(tp, 0xe4); |
| put_unaligned_le16(value, mac_addr + 4); |
| } else if (rtl_is_8125(tp)) { |
| rtl_read_mac_from_reg(tp, mac_addr, MAC0_BKP); |
| } |
| } |
| |
| DECLARE_RTL_COND(rtl_link_list_ready_cond) |
| { |
| return RTL_R8(tp, MCU) & LINK_LIST_RDY; |
| } |
| |
| static void r8168g_wait_ll_share_fifo_ready(struct rtl8169_private *tp) |
| { |
| rtl_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42); |
| } |
| |
| 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_MAC_INTERRUPT; |
| snprintf(new_bus->id, MII_BUS_ID_SIZE, "r8169-%x-%x", |
| pci_domain_nr(pdev->bus), pci_dev_id(pdev)); |
| |
| new_bus->read = r8169_mdio_read_reg; |
| new_bus->write = r8169_mdio_write_reg; |
| |
| ret = devm_mdiobus_register(&pdev->dev, new_bus); |
| if (ret) |
| return ret; |
| |
| tp->phydev = mdiobus_get_phy(new_bus, 0); |
| if (!tp->phydev) { |
| return -ENODEV; |
| } else if (!tp->phydev->drv) { |
| /* Most chip versions fail with the genphy driver. |
| * Therefore ensure that the dedicated PHY driver is loaded. |
| */ |
| dev_err(&pdev->dev, "no dedicated PHY driver found for PHY ID 0x%08x, maybe realtek.ko needs to be added to initramfs?\n", |
| tp->phydev->phy_id); |
| return -EUNATCH; |
| } |
| |
| tp->phydev->mac_managed_pm = 1; |
| |
| phy_support_asym_pause(tp->phydev); |
| |
| /* PHY will be woken up in rtl_open() */ |
| phy_suspend(tp->phydev); |
| |
| return 0; |
| } |
| |
| static void rtl_hw_init_8168g(struct rtl8169_private *tp) |
| { |
| rtl_enable_rxdvgate(tp); |
| |
| RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) & ~(CmdTxEnb | CmdRxEnb)); |
| msleep(1); |
| RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); |
| |
| r8168_mac_ocp_modify(tp, 0xe8de, BIT(14), 0); |
| r8168g_wait_ll_share_fifo_ready(tp); |
| |
| r8168_mac_ocp_modify(tp, 0xe8de, 0, BIT(15)); |
| r8168g_wait_ll_share_fifo_ready(tp); |
| } |
| |
| static void rtl_hw_init_8125(struct rtl8169_private *tp) |
| { |
| rtl_enable_rxdvgate(tp); |
| |
| RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) & ~(CmdTxEnb | CmdRxEnb)); |
| msleep(1); |
| RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); |
| |
| r8168_mac_ocp_modify(tp, 0xe8de, BIT(14), 0); |
| r8168g_wait_ll_share_fifo_ready(tp); |
| |
| r8168_mac_ocp_write(tp, 0xc0aa, 0x07d0); |
| r8168_mac_ocp_write(tp, 0xc0a6, 0x0150); |
| r8168_mac_ocp_write(tp, 0xc01e, 0x5555); |
| r8168g_wait_ll_share_fifo_ready(tp); |
| } |
| |
| static void rtl_hw_initialize(struct rtl8169_private *tp) |
| { |
| switch (tp->mac_version) { |
| case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_53: |
| rtl8168ep_stop_cmac(tp); |
| fallthrough; |
| case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48: |
| rtl_hw_init_8168g(tp); |
| break; |
| case RTL_GIGA_MAC_VER_60 ... RTL_GIGA_MAC_VER_63: |
| rtl_hw_init_8125(tp); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static int rtl_jumbo_max(struct rtl8169_private *tp) |
| { |
| /* Non-GBit versions don't support jumbo frames */ |
| if (!tp->supports_gmii) |
| return 0; |
| |
| switch (tp->mac_version) { |
| /* RTL8169 */ |
| case RTL_GIGA_MAC_VER_02 ... 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 |
| dev_err_probe(d, rc, "failed to get clk\n"); |
| } 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 void rtl_init_mac_address(struct rtl8169_private *tp) |
| { |
| u8 mac_addr[ETH_ALEN] __aligned(2) = {}; |
| struct net_device *dev = tp->dev; |
| int rc; |
| |
| rc = eth_platform_get_mac_address(tp_to_dev(tp), mac_addr); |
| if (!rc) |
| goto done; |
| |
| rtl_read_mac_address(tp, mac_addr); |
| if (is_valid_ether_addr(mac_addr)) |
| goto done; |
| |
| rtl_read_mac_from_reg(tp, mac_addr, MAC0); |
| if (is_valid_ether_addr(mac_addr)) |
| goto done; |
| |
| eth_random_addr(mac_addr); |
| dev->addr_assign_type = NET_ADDR_RANDOM; |
| dev_warn(tp_to_dev(tp), "can't read MAC address, setting random one\n"); |
| done: |
| eth_hw_addr_set(dev, mac_addr); |
| rtl_rar_set(tp, mac_addr); |
| } |
| |
| /* register is set if system vendor successfully tested ASPM 1.2 */ |
| static bool rtl_aspm_is_safe(struct rtl8169_private *tp) |
| { |
| if (tp->mac_version >= RTL_GIGA_MAC_VER_60 && |
| r8168_mac_ocp_read(tp, 0xc0b2) & 0xf) |
| return true; |
| |
| return false; |
| } |
| |
| static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
| { |
| struct rtl8169_private *tp; |
| int jumbo_max, region, rc; |
| enum mac_version chipset; |
| struct net_device *dev; |
| u16 xid; |
| |
| 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->supports_gmii = ent->driver_data == RTL_CFG_NO_GBIT ? 0 : 1; |
| tp->eee_adv = -1; |
| tp->ocp_base = OCP_STD_PHY_BASE; |
| |
| dev->tstats = devm_netdev_alloc_pcpu_stats(&pdev->dev, |
| struct pcpu_sw_netstats); |
| if (!dev->tstats) |
| return -ENOMEM; |
| |
| /* 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), KBUILD_MODNAME); |
| if (rc < 0) { |
| dev_err(&pdev->dev, "cannot remap MMIO, aborting\n"); |
| return rc; |
| } |
| |
| tp->mmio_addr = pcim_iomap_table(pdev)[region]; |
| |
| xid = (RTL_R32(tp, TxConfig) >> 20) & 0xfcf; |
| |
| /* Identify chip attached to board */ |
| chipset = rtl8169_get_mac_version(xid, tp->supports_gmii); |
| if (chipset == RTL_GIGA_MAC_NONE) { |
| dev_err(&pdev->dev, "unknown chip XID %03x, contact r8169 maintainers (see MAINTAINERS file)\n", xid); |
| return -ENODEV; |
| } |
| |
| tp->mac_version = chipset; |
| |
| /* Disable ASPM L1 as that cause random device stop working |
| * problems as well as full system hangs for some PCIe devices users. |
| * Chips from RTL8168h partially have issues with L1.2, but seem |
| * to work fine with L1 and L1.1. |
| */ |
| if (rtl_aspm_is_safe(tp)) |
| rc = 0; |
| else if (tp->mac_version >= RTL_GIGA_MAC_VER_45) |
| rc = pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_2); |
| else |
| rc = pci_disable_link_state(pdev, PCIE_LINK_STATE_L1); |
| tp->aspm_manageable = !rc; |
| |
| tp->dash_type = rtl_check_dash(tp); |
| |
| tp->cp_cmd = RTL_R16(tp, CPlusCmd) & CPCMD_MASK; |
| |
| 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; |
| |
| rtl_init_rxcfg(tp); |
| |
| rtl8169_irq_mask_and_ack(tp); |
| |
| rtl_hw_initialize(tp); |
| |
| rtl_hw_reset(tp); |
| |
| rc = rtl_alloc_irq(tp); |
| if (rc < 0) { |
| dev_err(&pdev->dev, "Can't allocate interrupt\n"); |
| return rc; |
| } |
| tp->irq = pci_irq_vector(pdev, 0); |
| |
| INIT_WORK(&tp->wk.work, rtl_task); |
| |
| rtl_init_mac_address(tp); |
| |
| dev->ethtool_ops = &rtl8169_ethtool_ops; |
| |
| netif_napi_add(dev, &tp->napi, rtl8169_poll, NAPI_POLL_WEIGHT); |
| |
| dev->hw_features = NETIF_F_IP_CSUM | 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; |
| dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; |
| |
| /* |
| * 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)) |
| dev->hw_features |= NETIF_F_IPV6_CSUM; |
| |
| dev->features |= dev->hw_features; |
| |
| /* There has been a number of reports that using SG/TSO results in |
| * tx timeouts. However for a lot of people SG/TSO works fine. |
| * Therefore disable both features by default, but allow users to |
| * enable them. Use at own risk! |
| */ |
| if (rtl_chip_supports_csum_v2(tp)) { |
| dev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6; |
| netif_set_tso_max_size(dev, RTL_GSO_MAX_SIZE_V2); |
| netif_set_tso_max_segs(dev, RTL_GSO_MAX_SEGS_V2); |
| } else { |
| dev->hw_features |= NETIF_F_SG | NETIF_F_TSO; |
| netif_set_tso_max_size(dev, RTL_GSO_MAX_SIZE_V1); |
| netif_set_tso_max_segs(dev, RTL_GSO_MAX_SEGS_V1); |
| } |
| |
| dev->hw_features |= NETIF_F_RXALL; |
| dev->hw_features |= NETIF_F_RXFCS; |
| |
| /* configure chip for default features */ |
| rtl8169_set_features(dev, dev->features); |
| |
| if (tp->dash_type == RTL_DASH_NONE) { |
| rtl_set_d3_pll_down(tp, true); |
| } else { |
| rtl_set_d3_pll_down(tp, false); |
| dev->wol_enabled = 1; |
| } |
| |
| jumbo_max = rtl_jumbo_max(tp); |
| if (jumbo_max) |
| dev->max_mtu = jumbo_max; |
| |
| rtl_set_irq_mask(tp); |
| |
| 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, tp); |
| |
| rc = r8169_mdio_register(tp); |
| if (rc) |
| return rc; |
| |
| rc = register_netdev(dev); |
| if (rc) |
| return rc; |
| |
| netdev_info(dev, "%s, %pM, XID %03x, IRQ %d\n", |
| rtl_chip_infos[chipset].name, dev->dev_addr, xid, tp->irq); |
| |
| if (jumbo_max) |
| netdev_info(dev, "jumbo features [frames: %d bytes, tx checksumming: %s]\n", |
| jumbo_max, tp->mac_version <= RTL_GIGA_MAC_VER_06 ? |
| "ok" : "ko"); |
| |
| if (tp->dash_type != RTL_DASH_NONE) { |
| netdev_info(dev, "DASH enabled\n"); |
| rtl8168_driver_start(tp); |
| } |
| |
| if (pci_dev_run_wake(pdev)) |
| pm_runtime_put_sync(&pdev->dev); |
| |
| return 0; |
| } |
| |
| static struct pci_driver rtl8169_pci_driver = { |
| .name = KBUILD_MODNAME, |
| .id_table = rtl8169_pci_tbl, |
| .probe = rtl_init_one, |
| .remove = rtl_remove_one, |
| .shutdown = rtl_shutdown, |
| .driver.pm = pm_ptr(&rtl8169_pm_ops), |
| }; |
| |
| module_pci_driver(rtl8169_pci_driver); |