fp@897: /******************************************************************************
fp@897: *
fp@897: * $Id$
fp@897: *
fp@897: * Copyright (C) 2006 Florian Pose, Ingenieurgemeinschaft IgH
fp@897: *
fp@897: * This file is part of the IgH EtherCAT Master.
fp@897: *
fp@897: * The IgH EtherCAT Master is free software; you can redistribute it
fp@897: * and/or modify it under the terms of the GNU General Public License
fp@897: * as published by the Free Software Foundation; either version 2 of the
fp@897: * License, or (at your option) any later version.
fp@897: *
fp@897: * The IgH EtherCAT Master is distributed in the hope that it will be
fp@897: * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
fp@897: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
fp@897: * GNU General Public License for more details.
fp@897: *
fp@897: * You should have received a copy of the GNU General Public License
fp@897: * along with the IgH EtherCAT Master; if not, write to the Free Software
fp@897: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
fp@897: *
fp@897: * The right to use EtherCAT Technology is granted and comes free of
fp@897: * charge under condition of compatibility of product made by
fp@897: * Licensee. People intending to distribute/sell products based on the
fp@897: * code, have to sign an agreement to guarantee that products using
fp@897: * software based on IgH EtherCAT master stay compatible with the actual
fp@897: * EtherCAT specification (which are released themselves as an open
fp@897: * standard) as the (only) precondition to have the right to use EtherCAT
fp@897: * Technology, IP and trade marks.
fp@897: *
fp@897: *****************************************************************************/
fp@897:
fp@897: /*
fp@897: * r8169.c: RealTek 8169/8168/8101 ethernet driver.
fp@897: *
fp@897: * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
fp@897: * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
fp@897: * Copyright (c) a lot of people too. Please respect their work.
fp@897: *
fp@897: * See MAINTAINERS file for support contact information.
fp@897: */
fp@897:
fp@897: #include <linux/module.h>
fp@897: #include <linux/moduleparam.h>
fp@897: #include <linux/pci.h>
fp@897: #include <linux/netdevice.h>
fp@897: #include <linux/etherdevice.h>
fp@897: #include <linux/delay.h>
fp@897: #include <linux/ethtool.h>
fp@897: #include <linux/mii.h>
fp@897: #include <linux/if_vlan.h>
fp@897: #include <linux/crc32.h>
fp@897: #include <linux/in.h>
fp@897: #include <linux/ip.h>
fp@897: #include <linux/tcp.h>
fp@897: #include <linux/init.h>
fp@897: #include <linux/dma-mapping.h>
fp@897:
fp@897: #include <asm/system.h>
fp@897: #include <asm/io.h>
fp@897: #include <asm/irq.h>
fp@897:
fp@897: #ifdef CONFIG_R8169_NAPI
fp@897: #define NAPI_SUFFIX "-NAPI"
fp@897: #else
fp@897: #define NAPI_SUFFIX ""
fp@897: #endif
fp@897:
fp@897: #define RTL8169_VERSION "2.2LK" NAPI_SUFFIX
fp@897: #define MODULENAME "r8169"
fp@897: #define PFX MODULENAME ": "
fp@897:
fp@897: #include "../globals.h"
fp@897: #include "ecdev.h"
fp@897:
fp@897: #ifdef RTL8169_DEBUG
fp@897: #define assert(expr) \
fp@897: if (!(expr)) { \
fp@897: printk( "Assertion failed! %s,%s,%s,line=%d\n", \
fp@897: #expr,__FILE__,__FUNCTION__,__LINE__); \
fp@897: }
fp@897: #define dprintk(fmt, args...) do { printk(PFX fmt, ## args); } while (0)
fp@897: #else
fp@897: #define assert(expr) do {} while (0)
fp@897: #define dprintk(fmt, args...) do {} while (0)
fp@897: #endif /* RTL8169_DEBUG */
fp@897:
fp@897: #define R8169_MSG_DEFAULT \
fp@897: (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
fp@897:
fp@897: #define TX_BUFFS_AVAIL(tp) \
fp@897: (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
fp@897:
fp@897: #ifdef CONFIG_R8169_NAPI
fp@897: #define rtl8169_rx_skb netif_receive_skb
fp@897: #define rtl8169_rx_hwaccel_skb vlan_hwaccel_receive_skb
fp@897: #define rtl8169_rx_quota(count, quota) min(count, quota)
fp@897: #else
fp@897: #define rtl8169_rx_skb netif_rx
fp@897: #define rtl8169_rx_hwaccel_skb vlan_hwaccel_rx
fp@897: #define rtl8169_rx_quota(count, quota) count
fp@897: #endif
fp@897:
fp@897: /* Maximum events (Rx packets, etc.) to handle at each interrupt. */
fp@897: static const int max_interrupt_work = 20;
fp@897:
fp@897: /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
fp@897: The RTL chips use a 64 element hash table based on the Ethernet CRC. */
fp@897: static const int multicast_filter_limit = 32;
fp@897:
fp@897: /* MAC address length */
fp@897: #define MAC_ADDR_LEN 6
fp@897:
fp@897: #define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */
fp@897: #define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
fp@897: #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
fp@897: #define EarlyTxThld 0x3F /* 0x3F means NO early transmit */
fp@897: #define RxPacketMaxSize 0x3FE8 /* 16K - 1 - ETH_HLEN - VLAN - CRC... */
fp@897: #define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */
fp@897: #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
fp@897:
fp@897: #define R8169_REGS_SIZE 256
fp@897: #define R8169_NAPI_WEIGHT 64
fp@897: #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */
fp@897: #define NUM_RX_DESC 256 /* Number of Rx descriptor registers */
fp@897: #define RX_BUF_SIZE 1536 /* Rx Buffer size */
fp@897: #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
fp@897: #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
fp@897:
fp@897: #define RTL8169_TX_TIMEOUT (6*HZ)
fp@897: #define RTL8169_PHY_TIMEOUT (10*HZ)
fp@897:
fp@897: /* write/read MMIO register */
fp@897: #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
fp@897: #define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
fp@897: #define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
fp@897: #define RTL_R8(reg) readb (ioaddr + (reg))
fp@897: #define RTL_R16(reg) readw (ioaddr + (reg))
fp@897: #define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg)))
fp@897:
fp@897: enum mac_version {
fp@897: RTL_GIGA_MAC_VER_01 = 0x01, // 8169
fp@897: RTL_GIGA_MAC_VER_02 = 0x02, // 8169S
fp@897: RTL_GIGA_MAC_VER_03 = 0x03, // 8110S
fp@897: RTL_GIGA_MAC_VER_04 = 0x04, // 8169SB
fp@897: RTL_GIGA_MAC_VER_05 = 0x05, // 8110SCd
fp@897: RTL_GIGA_MAC_VER_06 = 0x06, // 8110SCe
fp@897: RTL_GIGA_MAC_VER_11 = 0x0b, // 8168Bb
fp@897: RTL_GIGA_MAC_VER_12 = 0x0c, // 8168Be 8168Bf
fp@897: RTL_GIGA_MAC_VER_13 = 0x0d, // 8101Eb 8101Ec
fp@897: RTL_GIGA_MAC_VER_14 = 0x0e, // 8101
fp@897: RTL_GIGA_MAC_VER_15 = 0x0f // 8101
fp@897: };
fp@897:
fp@897: enum phy_version {
fp@897: RTL_GIGA_PHY_VER_C = 0x03, /* PHY Reg 0x03 bit0-3 == 0x0000 */
fp@897: RTL_GIGA_PHY_VER_D = 0x04, /* PHY Reg 0x03 bit0-3 == 0x0000 */
fp@897: RTL_GIGA_PHY_VER_E = 0x05, /* PHY Reg 0x03 bit0-3 == 0x0000 */
fp@897: RTL_GIGA_PHY_VER_F = 0x06, /* PHY Reg 0x03 bit0-3 == 0x0001 */
fp@897: RTL_GIGA_PHY_VER_G = 0x07, /* PHY Reg 0x03 bit0-3 == 0x0002 */
fp@897: RTL_GIGA_PHY_VER_H = 0x08, /* PHY Reg 0x03 bit0-3 == 0x0003 */
fp@897: };
fp@897:
fp@897: #define _R(NAME,MAC,MASK) \
fp@897: { .name = NAME, .mac_version = MAC, .RxConfigMask = MASK }
fp@897:
fp@897: static const struct {
fp@897: const char *name;
fp@897: u8 mac_version;
fp@897: u32 RxConfigMask; /* Clears the bits supported by this chip */
fp@897: } rtl_chip_info[] = {
fp@897: _R("RTL8169", RTL_GIGA_MAC_VER_01, 0xff7e1880), // 8169
fp@897: _R("RTL8169s", RTL_GIGA_MAC_VER_02, 0xff7e1880), // 8169S
fp@897: _R("RTL8110s", RTL_GIGA_MAC_VER_03, 0xff7e1880), // 8110S
fp@897: _R("RTL8169sb/8110sb", RTL_GIGA_MAC_VER_04, 0xff7e1880), // 8169SB
fp@897: _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_05, 0xff7e1880), // 8110SCd
fp@897: _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_06, 0xff7e1880), // 8110SCe
fp@897: _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_11, 0xff7e1880), // PCI-E
fp@897: _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_12, 0xff7e1880), // PCI-E
fp@897: _R("RTL8101e", RTL_GIGA_MAC_VER_13, 0xff7e1880), // PCI-E 8139
fp@897: _R("RTL8100e", RTL_GIGA_MAC_VER_14, 0xff7e1880), // PCI-E 8139
fp@897: _R("RTL8100e", RTL_GIGA_MAC_VER_15, 0xff7e1880) // PCI-E 8139
fp@897: };
fp@897: #undef _R
fp@897:
fp@897: enum cfg_version {
fp@897: RTL_CFG_0 = 0x00,
fp@897: RTL_CFG_1,
fp@897: RTL_CFG_2
fp@897: };
fp@897:
fp@897: static void rtl_hw_start_8169(struct net_device *);
fp@897: static void rtl_hw_start_8168(struct net_device *);
fp@897: static void rtl_hw_start_8101(struct net_device *);
fp@897:
fp@897: static struct pci_device_id rtl8169_pci_tbl[] = {
fp@897: { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
fp@897: { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
fp@897: { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
fp@897: { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
fp@897: { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
fp@897: { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 },
fp@897: { PCI_DEVICE(0x1259, 0xc107), 0, 0, RTL_CFG_0 },
fp@897: { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 },
fp@897: { PCI_VENDOR_ID_LINKSYS, 0x1032,
fp@897: PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
fp@897: {0,},
fp@897: };
fp@897:
fp@897: MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
fp@897:
fp@897: static int rx_copybreak = 200;
fp@897: static int use_dac;
fp@897: static struct {
fp@897: u32 msg_enable;
fp@897: } debug = { -1 };
fp@897:
fp@897: enum rtl_registers {
fp@897: MAC0 = 0, /* Ethernet hardware address. */
fp@897: MAC4 = 4,
fp@897: MAR0 = 8, /* Multicast filter. */
fp@897: CounterAddrLow = 0x10,
fp@897: CounterAddrHigh = 0x14,
fp@897: TxDescStartAddrLow = 0x20,
fp@897: TxDescStartAddrHigh = 0x24,
fp@897: TxHDescStartAddrLow = 0x28,
fp@897: TxHDescStartAddrHigh = 0x2c,
fp@897: FLASH = 0x30,
fp@897: ERSR = 0x36,
fp@897: ChipCmd = 0x37,
fp@897: TxPoll = 0x38,
fp@897: IntrMask = 0x3c,
fp@897: IntrStatus = 0x3e,
fp@897: TxConfig = 0x40,
fp@897: RxConfig = 0x44,
fp@897: RxMissed = 0x4c,
fp@897: Cfg9346 = 0x50,
fp@897: Config0 = 0x51,
fp@897: Config1 = 0x52,
fp@897: Config2 = 0x53,
fp@897: Config3 = 0x54,
fp@897: Config4 = 0x55,
fp@897: Config5 = 0x56,
fp@897: MultiIntr = 0x5c,
fp@897: PHYAR = 0x60,
fp@897: TBICSR = 0x64,
fp@897: TBI_ANAR = 0x68,
fp@897: TBI_LPAR = 0x6a,
fp@897: PHYstatus = 0x6c,
fp@897: RxMaxSize = 0xda,
fp@897: CPlusCmd = 0xe0,
fp@897: IntrMitigate = 0xe2,
fp@897: RxDescAddrLow = 0xe4,
fp@897: RxDescAddrHigh = 0xe8,
fp@897: EarlyTxThres = 0xec,
fp@897: FuncEvent = 0xf0,
fp@897: FuncEventMask = 0xf4,
fp@897: FuncPresetState = 0xf8,
fp@897: FuncForceEvent = 0xfc,
fp@897: };
fp@897:
fp@897: enum rtl_register_content {
fp@897: /* InterruptStatusBits */
fp@897: SYSErr = 0x8000,
fp@897: PCSTimeout = 0x4000,
fp@897: SWInt = 0x0100,
fp@897: TxDescUnavail = 0x0080,
fp@897: RxFIFOOver = 0x0040,
fp@897: LinkChg = 0x0020,
fp@897: RxOverflow = 0x0010,
fp@897: TxErr = 0x0008,
fp@897: TxOK = 0x0004,
fp@897: RxErr = 0x0002,
fp@897: RxOK = 0x0001,
fp@897:
fp@897: /* RxStatusDesc */
fp@897: RxFOVF = (1 << 23),
fp@897: RxRWT = (1 << 22),
fp@897: RxRES = (1 << 21),
fp@897: RxRUNT = (1 << 20),
fp@897: RxCRC = (1 << 19),
fp@897:
fp@897: /* ChipCmdBits */
fp@897: CmdReset = 0x10,
fp@897: CmdRxEnb = 0x08,
fp@897: CmdTxEnb = 0x04,
fp@897: RxBufEmpty = 0x01,
fp@897:
fp@897: /* TXPoll register p.5 */
fp@897: HPQ = 0x80, /* Poll cmd on the high prio queue */
fp@897: NPQ = 0x40, /* Poll cmd on the low prio queue */
fp@897: FSWInt = 0x01, /* Forced software interrupt */
fp@897:
fp@897: /* Cfg9346Bits */
fp@897: Cfg9346_Lock = 0x00,
fp@897: Cfg9346_Unlock = 0xc0,
fp@897:
fp@897: /* rx_mode_bits */
fp@897: AcceptErr = 0x20,
fp@897: AcceptRunt = 0x10,
fp@897: AcceptBroadcast = 0x08,
fp@897: AcceptMulticast = 0x04,
fp@897: AcceptMyPhys = 0x02,
fp@897: AcceptAllPhys = 0x01,
fp@897:
fp@897: /* RxConfigBits */
fp@897: RxCfgFIFOShift = 13,
fp@897: RxCfgDMAShift = 8,
fp@897:
fp@897: /* TxConfigBits */
fp@897: TxInterFrameGapShift = 24,
fp@897: TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
fp@897:
fp@897: /* Config1 register p.24 */
fp@897: PMEnable = (1 << 0), /* Power Management Enable */
fp@897:
fp@897: /* Config2 register p. 25 */
fp@897: PCI_Clock_66MHz = 0x01,
fp@897: PCI_Clock_33MHz = 0x00,
fp@897:
fp@897: /* Config3 register p.25 */
fp@897: MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
fp@897: LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
fp@897:
fp@897: /* Config5 register p.27 */
fp@897: BWF = (1 << 6), /* Accept Broadcast wakeup frame */
fp@897: MWF = (1 << 5), /* Accept Multicast wakeup frame */
fp@897: UWF = (1 << 4), /* Accept Unicast wakeup frame */
fp@897: LanWake = (1 << 1), /* LanWake enable/disable */
fp@897: PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
fp@897:
fp@897: /* TBICSR p.28 */
fp@897: TBIReset = 0x80000000,
fp@897: TBILoopback = 0x40000000,
fp@897: TBINwEnable = 0x20000000,
fp@897: TBINwRestart = 0x10000000,
fp@897: TBILinkOk = 0x02000000,
fp@897: TBINwComplete = 0x01000000,
fp@897:
fp@897: /* CPlusCmd p.31 */
fp@897: PktCntrDisable = (1 << 7), // 8168
fp@897: RxVlan = (1 << 6),
fp@897: RxChkSum = (1 << 5),
fp@897: PCIDAC = (1 << 4),
fp@897: PCIMulRW = (1 << 3),
fp@897: INTT_0 = 0x0000, // 8168
fp@897: INTT_1 = 0x0001, // 8168
fp@897: INTT_2 = 0x0002, // 8168
fp@897: INTT_3 = 0x0003, // 8168
fp@897:
fp@897: /* rtl8169_PHYstatus */
fp@897: TBI_Enable = 0x80,
fp@897: TxFlowCtrl = 0x40,
fp@897: RxFlowCtrl = 0x20,
fp@897: _1000bpsF = 0x10,
fp@897: _100bps = 0x08,
fp@897: _10bps = 0x04,
fp@897: LinkStatus = 0x02,
fp@897: FullDup = 0x01,
fp@897:
fp@897: /* _TBICSRBit */
fp@897: TBILinkOK = 0x02000000,
fp@897:
fp@897: /* DumpCounterCommand */
fp@897: CounterDump = 0x8,
fp@897: };
fp@897:
fp@897: enum desc_status_bit {
fp@897: DescOwn = (1 << 31), /* Descriptor is owned by NIC */
fp@897: RingEnd = (1 << 30), /* End of descriptor ring */
fp@897: FirstFrag = (1 << 29), /* First segment of a packet */
fp@897: LastFrag = (1 << 28), /* Final segment of a packet */
fp@897:
fp@897: /* Tx private */
fp@897: LargeSend = (1 << 27), /* TCP Large Send Offload (TSO) */
fp@897: MSSShift = 16, /* MSS value position */
fp@897: MSSMask = 0xfff, /* MSS value + LargeSend bit: 12 bits */
fp@897: IPCS = (1 << 18), /* Calculate IP checksum */
fp@897: UDPCS = (1 << 17), /* Calculate UDP/IP checksum */
fp@897: TCPCS = (1 << 16), /* Calculate TCP/IP checksum */
fp@897: TxVlanTag = (1 << 17), /* Add VLAN tag */
fp@897:
fp@897: /* Rx private */
fp@897: PID1 = (1 << 18), /* Protocol ID bit 1/2 */
fp@897: PID0 = (1 << 17), /* Protocol ID bit 2/2 */
fp@897:
fp@897: #define RxProtoUDP (PID1)
fp@897: #define RxProtoTCP (PID0)
fp@897: #define RxProtoIP (PID1 | PID0)
fp@897: #define RxProtoMask RxProtoIP
fp@897:
fp@897: IPFail = (1 << 16), /* IP checksum failed */
fp@897: UDPFail = (1 << 15), /* UDP/IP checksum failed */
fp@897: TCPFail = (1 << 14), /* TCP/IP checksum failed */
fp@897: RxVlanTag = (1 << 16), /* VLAN tag available */
fp@897: };
fp@897:
fp@897: #define RsvdMask 0x3fffc000
fp@897:
fp@897: struct TxDesc {
fp@897: __le32 opts1;
fp@897: __le32 opts2;
fp@897: __le64 addr;
fp@897: };
fp@897:
fp@897: struct RxDesc {
fp@897: __le32 opts1;
fp@897: __le32 opts2;
fp@897: __le64 addr;
fp@897: };
fp@897:
fp@897: struct ring_info {
fp@897: struct sk_buff *skb;
fp@897: u32 len;
fp@897: u8 __pad[sizeof(void *) - sizeof(u32)];
fp@897: };
fp@897:
fp@897: struct rtl8169_private {
fp@897: void __iomem *mmio_addr; /* memory map physical address */
fp@897: struct pci_dev *pci_dev; /* Index of PCI device */
fp@897: struct net_device *dev;
fp@897: struct net_device_stats stats; /* statistics of net device */
fp@897: spinlock_t lock; /* spin lock flag */
fp@897: u32 msg_enable;
fp@897: int chipset;
fp@897: int mac_version;
fp@897: int phy_version;
fp@897: u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
fp@897: u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
fp@897: u32 dirty_rx;
fp@897: u32 dirty_tx;
fp@897: struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
fp@897: struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
fp@897: dma_addr_t TxPhyAddr;
fp@897: dma_addr_t RxPhyAddr;
fp@897: struct sk_buff *Rx_skbuff[NUM_RX_DESC]; /* Rx data buffers */
fp@897: struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
fp@897: unsigned align;
fp@897: unsigned rx_buf_sz;
fp@897: struct timer_list timer;
fp@897: u16 cp_cmd;
fp@897: u16 intr_event;
fp@897: u16 napi_event;
fp@897: u16 intr_mask;
fp@897: int phy_auto_nego_reg;
fp@897: int phy_1000_ctrl_reg;
fp@897: #ifdef CONFIG_R8169_VLAN
fp@897: struct vlan_group *vlgrp;
fp@897: #endif
fp@897: int (*set_speed)(struct net_device *, u8 autoneg, u16 speed, u8 duplex);
fp@897: void (*get_settings)(struct net_device *, struct ethtool_cmd *);
fp@897: void (*phy_reset_enable)(void __iomem *);
fp@897: void (*hw_start)(struct net_device *);
fp@897: unsigned int (*phy_reset_pending)(void __iomem *);
fp@897: unsigned int (*link_ok)(void __iomem *);
fp@897: struct delayed_work task;
fp@897: unsigned wol_enabled : 1;
fp@897:
fp@897: ec_device_t *ecdev;
fp@897: };
fp@897:
fp@897: MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
fp@897: MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet/EtherCAT driver");
fp@897: module_param(rx_copybreak, int, 0);
fp@897: MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
fp@897: module_param(use_dac, int, 0);
fp@897: MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
fp@897: module_param_named(debug, debug.msg_enable, int, 0);
fp@897: MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
fp@897: MODULE_LICENSE("GPL");
fp@897: MODULE_VERSION(RTL8169_VERSION);
fp@897:
fp@897: void ec_poll(struct net_device *);
fp@897:
fp@897: static int rtl8169_open(struct net_device *dev);
fp@897: static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev);
fp@897: static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
fp@897: static int rtl8169_init_ring(struct net_device *dev);
fp@897: static void rtl_hw_start(struct net_device *dev);
fp@897: static int rtl8169_close(struct net_device *dev);
fp@897: static void rtl_set_rx_mode(struct net_device *dev);
fp@897: static void rtl8169_tx_timeout(struct net_device *dev);
fp@897: static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
fp@897: static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
fp@897: void __iomem *);
fp@897: static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
fp@897: static void rtl8169_down(struct net_device *dev);
fp@897: static void rtl8169_rx_clear(struct rtl8169_private *tp);
fp@897:
fp@897: #ifdef CONFIG_R8169_NAPI
fp@897: static int rtl8169_poll(struct net_device *dev, int *budget);
fp@897: #endif
fp@897:
fp@897: static const unsigned int rtl8169_rx_config =
fp@897: (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);
fp@897:
fp@897: static void mdio_write(void __iomem *ioaddr, int reg_addr, int value)
fp@897: {
fp@897: int i;
fp@897:
fp@897: RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0xFF) << 16 | value);
fp@897:
fp@897: for (i = 20; i > 0; i--) {
fp@897: /*
fp@897: * Check if the RTL8169 has completed writing to the specified
fp@897: * MII register.
fp@897: */
fp@897: if (!(RTL_R32(PHYAR) & 0x80000000))
fp@897: break;
fp@897: udelay(25);
fp@897: }
fp@897: }
fp@897:
fp@897: static int mdio_read(void __iomem *ioaddr, int reg_addr)
fp@897: {
fp@897: int i, value = -1;
fp@897:
fp@897: RTL_W32(PHYAR, 0x0 | (reg_addr & 0xFF) << 16);
fp@897:
fp@897: for (i = 20; i > 0; i--) {
fp@897: /*
fp@897: * Check if the RTL8169 has completed retrieving data from
fp@897: * the specified MII register.
fp@897: */
fp@897: if (RTL_R32(PHYAR) & 0x80000000) {
fp@897: value = (int) (RTL_R32(PHYAR) & 0xFFFF);
fp@897: break;
fp@897: }
fp@897: udelay(25);
fp@897: }
fp@897: return value;
fp@897: }
fp@897:
fp@897: static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
fp@897: {
fp@897: RTL_W16(IntrMask, 0x0000);
fp@897:
fp@897: RTL_W16(IntrStatus, 0xffff);
fp@897: }
fp@897:
fp@897: static void rtl8169_asic_down(void __iomem *ioaddr)
fp@897: {
fp@897: RTL_W8(ChipCmd, 0x00);
fp@897: rtl8169_irq_mask_and_ack(ioaddr);
fp@897: RTL_R16(CPlusCmd);
fp@897: }
fp@897:
fp@897: static unsigned int rtl8169_tbi_reset_pending(void __iomem *ioaddr)
fp@897: {
fp@897: return RTL_R32(TBICSR) & TBIReset;
fp@897: }
fp@897:
fp@897: static unsigned int rtl8169_xmii_reset_pending(void __iomem *ioaddr)
fp@897: {
fp@897: return mdio_read(ioaddr, MII_BMCR) & BMCR_RESET;
fp@897: }
fp@897:
fp@897: static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
fp@897: {
fp@897: return RTL_R32(TBICSR) & TBILinkOk;
fp@897: }
fp@897:
fp@897: static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
fp@897: {
fp@897: return RTL_R8(PHYstatus) & LinkStatus;
fp@897: }
fp@897:
fp@897: static void rtl8169_tbi_reset_enable(void __iomem *ioaddr)
fp@897: {
fp@897: RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
fp@897: }
fp@897:
fp@897: static void rtl8169_xmii_reset_enable(void __iomem *ioaddr)
fp@897: {
fp@897: unsigned int val;
fp@897:
fp@897: val = mdio_read(ioaddr, MII_BMCR) | BMCR_RESET;
fp@897: mdio_write(ioaddr, MII_BMCR, val & 0xffff);
fp@897: }
fp@897:
fp@897: static void rtl8169_check_link_status(struct net_device *dev,
fp@897: struct rtl8169_private *tp,
fp@897: void __iomem *ioaddr)
fp@897: {
fp@897: unsigned long flags;
fp@897:
fp@897: spin_lock_irqsave(&tp->lock, flags);
fp@897:
fp@897: if (tp->link_ok(ioaddr)) {
fp@897: if(tp->ecdev) {
fp@897: ecdev_set_link(tp->ecdev, 1);
fp@897: } else {
fp@897: netif_carrier_on(dev);
fp@897: if (netif_msg_ifup(tp))
fp@897: printk(KERN_INFO PFX "%s: link up\n", dev->name);
fp@897: }
fp@897: } else {
fp@897: if(tp->ecdev) {
fp@897: ecdev_set_link(tp->ecdev, 0);
fp@897: } else {
fp@897: if (netif_msg_ifdown(tp))
fp@897: printk(KERN_INFO PFX "%s: link down\n", dev->name);
fp@897: netif_carrier_off(dev);
fp@897: }
fp@897: }
fp@897: spin_unlock_irqrestore(&tp->lock, flags);
fp@897: }
fp@897:
fp@897: static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: u8 options;
fp@897:
fp@897: wol->wolopts = 0;
fp@897:
fp@897: #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
fp@897: wol->supported = WAKE_ANY;
fp@897:
fp@897: spin_lock_irq(&tp->lock);
fp@897:
fp@897: options = RTL_R8(Config1);
fp@897: if (!(options & PMEnable))
fp@897: goto out_unlock;
fp@897:
fp@897: options = RTL_R8(Config3);
fp@897: if (options & LinkUp)
fp@897: wol->wolopts |= WAKE_PHY;
fp@897: if (options & MagicPacket)
fp@897: wol->wolopts |= WAKE_MAGIC;
fp@897:
fp@897: options = RTL_R8(Config5);
fp@897: if (options & UWF)
fp@897: wol->wolopts |= WAKE_UCAST;
fp@897: if (options & BWF)
fp@897: wol->wolopts |= WAKE_BCAST;
fp@897: if (options & MWF)
fp@897: wol->wolopts |= WAKE_MCAST;
fp@897:
fp@897: out_unlock:
fp@897: spin_unlock_irq(&tp->lock);
fp@897: }
fp@897:
fp@897: static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: unsigned int i;
fp@897: static struct {
fp@897: u32 opt;
fp@897: u16 reg;
fp@897: u8 mask;
fp@897: } cfg[] = {
fp@897: { WAKE_ANY, Config1, PMEnable },
fp@897: { WAKE_PHY, Config3, LinkUp },
fp@897: { WAKE_MAGIC, Config3, MagicPacket },
fp@897: { WAKE_UCAST, Config5, UWF },
fp@897: { WAKE_BCAST, Config5, BWF },
fp@897: { WAKE_MCAST, Config5, MWF },
fp@897: { WAKE_ANY, Config5, LanWake }
fp@897: };
fp@897:
fp@897: spin_lock_irq(&tp->lock);
fp@897:
fp@897: RTL_W8(Cfg9346, Cfg9346_Unlock);
fp@897:
fp@897: for (i = 0; i < ARRAY_SIZE(cfg); i++) {
fp@897: u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
fp@897: if (wol->wolopts & cfg[i].opt)
fp@897: options |= cfg[i].mask;
fp@897: RTL_W8(cfg[i].reg, options);
fp@897: }
fp@897:
fp@897: RTL_W8(Cfg9346, Cfg9346_Lock);
fp@897:
fp@897: tp->wol_enabled = (wol->wolopts) ? 1 : 0;
fp@897:
fp@897: spin_unlock_irq(&tp->lock);
fp@897:
fp@897: return 0;
fp@897: }
fp@897:
fp@897: static void rtl8169_get_drvinfo(struct net_device *dev,
fp@897: struct ethtool_drvinfo *info)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897:
fp@897: strcpy(info->driver, MODULENAME);
fp@897: strcpy(info->version, RTL8169_VERSION);
fp@897: strcpy(info->bus_info, pci_name(tp->pci_dev));
fp@897: }
fp@897:
fp@897: static int rtl8169_get_regs_len(struct net_device *dev)
fp@897: {
fp@897: return R8169_REGS_SIZE;
fp@897: }
fp@897:
fp@897: static int rtl8169_set_speed_tbi(struct net_device *dev,
fp@897: u8 autoneg, u16 speed, u8 duplex)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: int ret = 0;
fp@897: u32 reg;
fp@897:
fp@897: reg = RTL_R32(TBICSR);
fp@897: if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
fp@897: (duplex == DUPLEX_FULL)) {
fp@897: RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
fp@897: } else if (autoneg == AUTONEG_ENABLE)
fp@897: RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
fp@897: else {
fp@897: if (netif_msg_link(tp)) {
fp@897: printk(KERN_WARNING "%s: "
fp@897: "incorrect speed setting refused in TBI mode\n",
fp@897: dev->name);
fp@897: }
fp@897: ret = -EOPNOTSUPP;
fp@897: }
fp@897:
fp@897: return ret;
fp@897: }
fp@897:
fp@897: static int rtl8169_set_speed_xmii(struct net_device *dev,
fp@897: u8 autoneg, u16 speed, u8 duplex)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: int auto_nego, giga_ctrl;
fp@897:
fp@897: auto_nego = mdio_read(ioaddr, MII_ADVERTISE);
fp@897: auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
fp@897: ADVERTISE_100HALF | ADVERTISE_100FULL);
fp@897: giga_ctrl = mdio_read(ioaddr, MII_CTRL1000);
fp@897: giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
fp@897:
fp@897: if (autoneg == AUTONEG_ENABLE) {
fp@897: auto_nego |= (ADVERTISE_10HALF | ADVERTISE_10FULL |
fp@897: ADVERTISE_100HALF | ADVERTISE_100FULL);
fp@897: giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
fp@897: } else {
fp@897: if (speed == SPEED_10)
fp@897: auto_nego |= ADVERTISE_10HALF | ADVERTISE_10FULL;
fp@897: else if (speed == SPEED_100)
fp@897: auto_nego |= ADVERTISE_100HALF | ADVERTISE_100FULL;
fp@897: else if (speed == SPEED_1000)
fp@897: giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
fp@897:
fp@897: if (duplex == DUPLEX_HALF)
fp@897: auto_nego &= ~(ADVERTISE_10FULL | ADVERTISE_100FULL);
fp@897:
fp@897: if (duplex == DUPLEX_FULL)
fp@897: auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_100HALF);
fp@897:
fp@897: /* This tweak comes straight from Realtek's driver. */
fp@897: if ((speed == SPEED_100) && (duplex == DUPLEX_HALF) &&
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_13)) {
fp@897: auto_nego = ADVERTISE_100HALF | ADVERTISE_CSMA;
fp@897: }
fp@897: }
fp@897:
fp@897: /* The 8100e/8101e do Fast Ethernet only. */
fp@897: if ((tp->mac_version == RTL_GIGA_MAC_VER_13) ||
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_14) ||
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_15)) {
fp@897: if ((giga_ctrl & (ADVERTISE_1000FULL | ADVERTISE_1000HALF)) &&
fp@897: netif_msg_link(tp)) {
fp@897: printk(KERN_INFO "%s: PHY does not support 1000Mbps.\n",
fp@897: dev->name);
fp@897: }
fp@897: giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
fp@897: }
fp@897:
fp@897: auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
fp@897:
fp@897: if (tp->mac_version == RTL_GIGA_MAC_VER_12) {
fp@897: /* Vendor specific (0x1f) and reserved (0x0e) MII registers. */
fp@897: mdio_write(ioaddr, 0x1f, 0x0000);
fp@897: mdio_write(ioaddr, 0x0e, 0x0000);
fp@897: }
fp@897:
fp@897: tp->phy_auto_nego_reg = auto_nego;
fp@897: tp->phy_1000_ctrl_reg = giga_ctrl;
fp@897:
fp@897: mdio_write(ioaddr, MII_ADVERTISE, auto_nego);
fp@897: mdio_write(ioaddr, MII_CTRL1000, giga_ctrl);
fp@897: mdio_write(ioaddr, MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART);
fp@897: return 0;
fp@897: }
fp@897:
fp@897: static int rtl8169_set_speed(struct net_device *dev,
fp@897: u8 autoneg, u16 speed, u8 duplex)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: int ret;
fp@897:
fp@897: ret = tp->set_speed(dev, autoneg, speed, duplex);
fp@897:
fp@897: if (netif_running(dev) && (tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL))
fp@897: mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
fp@897:
fp@897: return ret;
fp@897: }
fp@897:
fp@897: static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: unsigned long flags;
fp@897: int ret;
fp@897:
fp@897: spin_lock_irqsave(&tp->lock, flags);
fp@897: ret = rtl8169_set_speed(dev, cmd->autoneg, cmd->speed, cmd->duplex);
fp@897: spin_unlock_irqrestore(&tp->lock, flags);
fp@897:
fp@897: return ret;
fp@897: }
fp@897:
fp@897: static u32 rtl8169_get_rx_csum(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897:
fp@897: return tp->cp_cmd & RxChkSum;
fp@897: }
fp@897:
fp@897: static int rtl8169_set_rx_csum(struct net_device *dev, u32 data)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: unsigned long flags;
fp@897:
fp@897: spin_lock_irqsave(&tp->lock, flags);
fp@897:
fp@897: if (data)
fp@897: tp->cp_cmd |= RxChkSum;
fp@897: else
fp@897: tp->cp_cmd &= ~RxChkSum;
fp@897:
fp@897: RTL_W16(CPlusCmd, tp->cp_cmd);
fp@897: RTL_R16(CPlusCmd);
fp@897:
fp@897: spin_unlock_irqrestore(&tp->lock, flags);
fp@897:
fp@897: return 0;
fp@897: }
fp@897:
fp@897: #ifdef CONFIG_R8169_VLAN
fp@897:
fp@897: static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
fp@897: struct sk_buff *skb)
fp@897: {
fp@897: return (tp->vlgrp && vlan_tx_tag_present(skb)) ?
fp@897: TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
fp@897: }
fp@897:
fp@897: static void rtl8169_vlan_rx_register(struct net_device *dev,
fp@897: struct vlan_group *grp)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: unsigned long flags;
fp@897:
fp@897: spin_lock_irqsave(&tp->lock, flags);
fp@897: tp->vlgrp = grp;
fp@897: if (tp->vlgrp)
fp@897: tp->cp_cmd |= RxVlan;
fp@897: else
fp@897: tp->cp_cmd &= ~RxVlan;
fp@897: RTL_W16(CPlusCmd, tp->cp_cmd);
fp@897: RTL_R16(CPlusCmd);
fp@897: spin_unlock_irqrestore(&tp->lock, flags);
fp@897: }
fp@897:
fp@897: static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc,
fp@897: struct sk_buff *skb)
fp@897: {
fp@897: u32 opts2 = le32_to_cpu(desc->opts2);
fp@897: int ret;
fp@897:
fp@897: if (tp->vlgrp && (opts2 & RxVlanTag)) {
fp@897: rtl8169_rx_hwaccel_skb(skb, tp->vlgrp, swab16(opts2 & 0xffff));
fp@897: ret = 0;
fp@897: } else
fp@897: ret = -1;
fp@897: desc->opts2 = 0;
fp@897: return ret;
fp@897: }
fp@897:
fp@897: #else /* !CONFIG_R8169_VLAN */
fp@897:
fp@897: static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
fp@897: struct sk_buff *skb)
fp@897: {
fp@897: return 0;
fp@897: }
fp@897:
fp@897: static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc,
fp@897: struct sk_buff *skb)
fp@897: {
fp@897: return -1;
fp@897: }
fp@897:
fp@897: #endif
fp@897:
fp@897: static void rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: u32 status;
fp@897:
fp@897: cmd->supported =
fp@897: SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
fp@897: cmd->port = PORT_FIBRE;
fp@897: cmd->transceiver = XCVR_INTERNAL;
fp@897:
fp@897: status = RTL_R32(TBICSR);
fp@897: cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0;
fp@897: cmd->autoneg = !!(status & TBINwEnable);
fp@897:
fp@897: cmd->speed = SPEED_1000;
fp@897: cmd->duplex = DUPLEX_FULL; /* Always set */
fp@897: }
fp@897:
fp@897: static void rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: u8 status;
fp@897:
fp@897: cmd->supported = SUPPORTED_10baseT_Half |
fp@897: SUPPORTED_10baseT_Full |
fp@897: SUPPORTED_100baseT_Half |
fp@897: SUPPORTED_100baseT_Full |
fp@897: SUPPORTED_1000baseT_Full |
fp@897: SUPPORTED_Autoneg |
fp@897: SUPPORTED_TP;
fp@897:
fp@897: cmd->autoneg = 1;
fp@897: cmd->advertising = ADVERTISED_TP | ADVERTISED_Autoneg;
fp@897:
fp@897: if (tp->phy_auto_nego_reg & ADVERTISE_10HALF)
fp@897: cmd->advertising |= ADVERTISED_10baseT_Half;
fp@897: if (tp->phy_auto_nego_reg & ADVERTISE_10FULL)
fp@897: cmd->advertising |= ADVERTISED_10baseT_Full;
fp@897: if (tp->phy_auto_nego_reg & ADVERTISE_100HALF)
fp@897: cmd->advertising |= ADVERTISED_100baseT_Half;
fp@897: if (tp->phy_auto_nego_reg & ADVERTISE_100FULL)
fp@897: cmd->advertising |= ADVERTISED_100baseT_Full;
fp@897: if (tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL)
fp@897: cmd->advertising |= ADVERTISED_1000baseT_Full;
fp@897:
fp@897: status = RTL_R8(PHYstatus);
fp@897:
fp@897: if (status & _1000bpsF)
fp@897: cmd->speed = SPEED_1000;
fp@897: else if (status & _100bps)
fp@897: cmd->speed = SPEED_100;
fp@897: else if (status & _10bps)
fp@897: cmd->speed = SPEED_10;
fp@897:
fp@897: if (status & TxFlowCtrl)
fp@897: cmd->advertising |= ADVERTISED_Asym_Pause;
fp@897: if (status & RxFlowCtrl)
fp@897: cmd->advertising |= ADVERTISED_Pause;
fp@897:
fp@897: cmd->duplex = ((status & _1000bpsF) || (status & FullDup)) ?
fp@897: DUPLEX_FULL : DUPLEX_HALF;
fp@897: }
fp@897:
fp@897: static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: unsigned long flags;
fp@897:
fp@897: spin_lock_irqsave(&tp->lock, flags);
fp@897:
fp@897: tp->get_settings(dev, cmd);
fp@897:
fp@897: spin_unlock_irqrestore(&tp->lock, flags);
fp@897: return 0;
fp@897: }
fp@897:
fp@897: static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
fp@897: void *p)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: unsigned long flags;
fp@897:
fp@897: if (regs->len > R8169_REGS_SIZE)
fp@897: regs->len = R8169_REGS_SIZE;
fp@897:
fp@897: spin_lock_irqsave(&tp->lock, flags);
fp@897: memcpy_fromio(p, tp->mmio_addr, regs->len);
fp@897: spin_unlock_irqrestore(&tp->lock, flags);
fp@897: }
fp@897:
fp@897: static u32 rtl8169_get_msglevel(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897:
fp@897: return tp->msg_enable;
fp@897: }
fp@897:
fp@897: static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897:
fp@897: tp->msg_enable = value;
fp@897: }
fp@897:
fp@897: static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
fp@897: "tx_packets",
fp@897: "rx_packets",
fp@897: "tx_errors",
fp@897: "rx_errors",
fp@897: "rx_missed",
fp@897: "align_errors",
fp@897: "tx_single_collisions",
fp@897: "tx_multi_collisions",
fp@897: "unicast",
fp@897: "broadcast",
fp@897: "multicast",
fp@897: "tx_aborted",
fp@897: "tx_underrun",
fp@897: };
fp@897:
fp@897: struct rtl8169_counters {
fp@897: u64 tx_packets;
fp@897: u64 rx_packets;
fp@897: u64 tx_errors;
fp@897: u32 rx_errors;
fp@897: u16 rx_missed;
fp@897: u16 align_errors;
fp@897: u32 tx_one_collision;
fp@897: u32 tx_multi_collision;
fp@897: u64 rx_unicast;
fp@897: u64 rx_broadcast;
fp@897: u32 rx_multicast;
fp@897: u16 tx_aborted;
fp@897: u16 tx_underun;
fp@897: };
fp@897:
fp@897: static int rtl8169_get_stats_count(struct net_device *dev)
fp@897: {
fp@897: return ARRAY_SIZE(rtl8169_gstrings);
fp@897: }
fp@897:
fp@897: static void rtl8169_get_ethtool_stats(struct net_device *dev,
fp@897: struct ethtool_stats *stats, u64 *data)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: struct rtl8169_counters *counters;
fp@897: dma_addr_t paddr;
fp@897: u32 cmd;
fp@897:
fp@897: ASSERT_RTNL();
fp@897:
fp@897: counters = pci_alloc_consistent(tp->pci_dev, sizeof(*counters), &paddr);
fp@897: if (!counters)
fp@897: return;
fp@897:
fp@897: RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
fp@897: cmd = (u64)paddr & DMA_32BIT_MASK;
fp@897: RTL_W32(CounterAddrLow, cmd);
fp@897: RTL_W32(CounterAddrLow, cmd | CounterDump);
fp@897:
fp@897: while (RTL_R32(CounterAddrLow) & CounterDump) {
fp@897: if (msleep_interruptible(1))
fp@897: break;
fp@897: }
fp@897:
fp@897: RTL_W32(CounterAddrLow, 0);
fp@897: RTL_W32(CounterAddrHigh, 0);
fp@897:
fp@897: data[0] = le64_to_cpu(counters->tx_packets);
fp@897: data[1] = le64_to_cpu(counters->rx_packets);
fp@897: data[2] = le64_to_cpu(counters->tx_errors);
fp@897: data[3] = le32_to_cpu(counters->rx_errors);
fp@897: data[4] = le16_to_cpu(counters->rx_missed);
fp@897: data[5] = le16_to_cpu(counters->align_errors);
fp@897: data[6] = le32_to_cpu(counters->tx_one_collision);
fp@897: data[7] = le32_to_cpu(counters->tx_multi_collision);
fp@897: data[8] = le64_to_cpu(counters->rx_unicast);
fp@897: data[9] = le64_to_cpu(counters->rx_broadcast);
fp@897: data[10] = le32_to_cpu(counters->rx_multicast);
fp@897: data[11] = le16_to_cpu(counters->tx_aborted);
fp@897: data[12] = le16_to_cpu(counters->tx_underun);
fp@897:
fp@897: pci_free_consistent(tp->pci_dev, sizeof(*counters), counters, paddr);
fp@897: }
fp@897:
fp@897: static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
fp@897: {
fp@897: switch(stringset) {
fp@897: case ETH_SS_STATS:
fp@897: memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
fp@897: break;
fp@897: }
fp@897: }
fp@897:
fp@897: static const struct ethtool_ops rtl8169_ethtool_ops = {
fp@897: .get_drvinfo = rtl8169_get_drvinfo,
fp@897: .get_regs_len = rtl8169_get_regs_len,
fp@897: .get_link = ethtool_op_get_link,
fp@897: .get_settings = rtl8169_get_settings,
fp@897: .set_settings = rtl8169_set_settings,
fp@897: .get_msglevel = rtl8169_get_msglevel,
fp@897: .set_msglevel = rtl8169_set_msglevel,
fp@897: .get_rx_csum = rtl8169_get_rx_csum,
fp@897: .set_rx_csum = rtl8169_set_rx_csum,
fp@897: .get_tx_csum = ethtool_op_get_tx_csum,
fp@897: .set_tx_csum = ethtool_op_set_tx_csum,
fp@897: .get_sg = ethtool_op_get_sg,
fp@897: .set_sg = ethtool_op_set_sg,
fp@897: .get_tso = ethtool_op_get_tso,
fp@897: .set_tso = ethtool_op_set_tso,
fp@897: .get_regs = rtl8169_get_regs,
fp@897: .get_wol = rtl8169_get_wol,
fp@897: .set_wol = rtl8169_set_wol,
fp@897: .get_strings = rtl8169_get_strings,
fp@897: .get_stats_count = rtl8169_get_stats_count,
fp@897: .get_ethtool_stats = rtl8169_get_ethtool_stats,
fp@897: };
fp@897:
fp@897: static void rtl8169_write_gmii_reg_bit(void __iomem *ioaddr, int reg,
fp@897: int bitnum, int bitval)
fp@897: {
fp@897: int val;
fp@897:
fp@897: val = mdio_read(ioaddr, reg);
fp@897: val = (bitval == 1) ?
fp@897: val | (bitval << bitnum) : val & ~(0x0001 << bitnum);
fp@897: mdio_write(ioaddr, reg, val & 0xffff);
fp@897: }
fp@897:
fp@897: static void rtl8169_get_mac_version(struct rtl8169_private *tp,
fp@897: void __iomem *ioaddr)
fp@897: {
fp@897: /*
fp@897: * The driver currently handles the 8168Bf and the 8168Be identically
fp@897: * but they can be identified more specifically through the test below
fp@897: * if needed:
fp@897: *
fp@897: * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
fp@897: *
fp@897: * Same thing for the 8101Eb and the 8101Ec:
fp@897: *
fp@897: * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
fp@897: */
fp@897: const struct {
fp@897: u32 mask;
fp@897: int mac_version;
fp@897: } mac_info[] = {
fp@897: { 0x38800000, RTL_GIGA_MAC_VER_15 },
fp@897: { 0x38000000, RTL_GIGA_MAC_VER_12 },
fp@897: { 0x34000000, RTL_GIGA_MAC_VER_13 },
fp@897: { 0x30800000, RTL_GIGA_MAC_VER_14 },
fp@897: { 0x30000000, RTL_GIGA_MAC_VER_11 },
fp@897: { 0x98000000, RTL_GIGA_MAC_VER_06 },
fp@897: { 0x18000000, RTL_GIGA_MAC_VER_05 },
fp@897: { 0x10000000, RTL_GIGA_MAC_VER_04 },
fp@897: { 0x04000000, RTL_GIGA_MAC_VER_03 },
fp@897: { 0x00800000, RTL_GIGA_MAC_VER_02 },
fp@897: { 0x00000000, RTL_GIGA_MAC_VER_01 } /* Catch-all */
fp@897: }, *p = mac_info;
fp@897: u32 reg;
fp@897:
fp@897: reg = RTL_R32(TxConfig) & 0xfc800000;
fp@897: while ((reg & p->mask) != p->mask)
fp@897: p++;
fp@897: tp->mac_version = p->mac_version;
fp@897: }
fp@897:
fp@897: static void rtl8169_print_mac_version(struct rtl8169_private *tp)
fp@897: {
fp@897: dprintk("mac_version = 0x%02x\n", tp->mac_version);
fp@897: }
fp@897:
fp@897: static void rtl8169_get_phy_version(struct rtl8169_private *tp,
fp@897: void __iomem *ioaddr)
fp@897: {
fp@897: const struct {
fp@897: u16 mask;
fp@897: u16 set;
fp@897: int phy_version;
fp@897: } phy_info[] = {
fp@897: { 0x000f, 0x0002, RTL_GIGA_PHY_VER_G },
fp@897: { 0x000f, 0x0001, RTL_GIGA_PHY_VER_F },
fp@897: { 0x000f, 0x0000, RTL_GIGA_PHY_VER_E },
fp@897: { 0x0000, 0x0000, RTL_GIGA_PHY_VER_D } /* Catch-all */
fp@897: }, *p = phy_info;
fp@897: u16 reg;
fp@897:
fp@897: reg = mdio_read(ioaddr, MII_PHYSID2) & 0xffff;
fp@897: while ((reg & p->mask) != p->set)
fp@897: p++;
fp@897: tp->phy_version = p->phy_version;
fp@897: }
fp@897:
fp@897: static void rtl8169_print_phy_version(struct rtl8169_private *tp)
fp@897: {
fp@897: struct {
fp@897: int version;
fp@897: char *msg;
fp@897: u32 reg;
fp@897: } phy_print[] = {
fp@897: { RTL_GIGA_PHY_VER_G, "RTL_GIGA_PHY_VER_G", 0x0002 },
fp@897: { RTL_GIGA_PHY_VER_F, "RTL_GIGA_PHY_VER_F", 0x0001 },
fp@897: { RTL_GIGA_PHY_VER_E, "RTL_GIGA_PHY_VER_E", 0x0000 },
fp@897: { RTL_GIGA_PHY_VER_D, "RTL_GIGA_PHY_VER_D", 0x0000 },
fp@897: { 0, NULL, 0x0000 }
fp@897: }, *p;
fp@897:
fp@897: for (p = phy_print; p->msg; p++) {
fp@897: if (tp->phy_version == p->version) {
fp@897: dprintk("phy_version == %s (%04x)\n", p->msg, p->reg);
fp@897: return;
fp@897: }
fp@897: }
fp@897: dprintk("phy_version == Unknown\n");
fp@897: }
fp@897:
fp@897: static void rtl8169_hw_phy_config(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: struct {
fp@897: u16 regs[5]; /* Beware of bit-sign propagation */
fp@897: } phy_magic[5] = { {
fp@897: { 0x0000, //w 4 15 12 0
fp@897: 0x00a1, //w 3 15 0 00a1
fp@897: 0x0008, //w 2 15 0 0008
fp@897: 0x1020, //w 1 15 0 1020
fp@897: 0x1000 } },{ //w 0 15 0 1000
fp@897: { 0x7000, //w 4 15 12 7
fp@897: 0xff41, //w 3 15 0 ff41
fp@897: 0xde60, //w 2 15 0 de60
fp@897: 0x0140, //w 1 15 0 0140
fp@897: 0x0077 } },{ //w 0 15 0 0077
fp@897: { 0xa000, //w 4 15 12 a
fp@897: 0xdf01, //w 3 15 0 df01
fp@897: 0xdf20, //w 2 15 0 df20
fp@897: 0xff95, //w 1 15 0 ff95
fp@897: 0xfa00 } },{ //w 0 15 0 fa00
fp@897: { 0xb000, //w 4 15 12 b
fp@897: 0xff41, //w 3 15 0 ff41
fp@897: 0xde20, //w 2 15 0 de20
fp@897: 0x0140, //w 1 15 0 0140
fp@897: 0x00bb } },{ //w 0 15 0 00bb
fp@897: { 0xf000, //w 4 15 12 f
fp@897: 0xdf01, //w 3 15 0 df01
fp@897: 0xdf20, //w 2 15 0 df20
fp@897: 0xff95, //w 1 15 0 ff95
fp@897: 0xbf00 } //w 0 15 0 bf00
fp@897: }
fp@897: }, *p = phy_magic;
fp@897: unsigned int i;
fp@897:
fp@897: rtl8169_print_mac_version(tp);
fp@897: rtl8169_print_phy_version(tp);
fp@897:
fp@897: if (tp->mac_version <= RTL_GIGA_MAC_VER_01)
fp@897: return;
fp@897: if (tp->phy_version >= RTL_GIGA_PHY_VER_H)
fp@897: return;
fp@897:
fp@897: dprintk("MAC version != 0 && PHY version == 0 or 1\n");
fp@897: dprintk("Do final_reg2.cfg\n");
fp@897:
fp@897: /* Shazam ! */
fp@897:
fp@897: if (tp->mac_version == RTL_GIGA_MAC_VER_04) {
fp@897: mdio_write(ioaddr, 31, 0x0002);
fp@897: mdio_write(ioaddr, 1, 0x90d0);
fp@897: mdio_write(ioaddr, 31, 0x0000);
fp@897: return;
fp@897: }
fp@897:
fp@897: if ((tp->mac_version != RTL_GIGA_MAC_VER_02) &&
fp@897: (tp->mac_version != RTL_GIGA_MAC_VER_03))
fp@897: return;
fp@897:
fp@897: mdio_write(ioaddr, 31, 0x0001); //w 31 2 0 1
fp@897: mdio_write(ioaddr, 21, 0x1000); //w 21 15 0 1000
fp@897: mdio_write(ioaddr, 24, 0x65c7); //w 24 15 0 65c7
fp@897: rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 0); //w 4 11 11 0
fp@897:
fp@897: for (i = 0; i < ARRAY_SIZE(phy_magic); i++, p++) {
fp@897: int val, pos = 4;
fp@897:
fp@897: val = (mdio_read(ioaddr, pos) & 0x0fff) | (p->regs[0] & 0xffff);
fp@897: mdio_write(ioaddr, pos, val);
fp@897: while (--pos >= 0)
fp@897: mdio_write(ioaddr, pos, p->regs[4 - pos] & 0xffff);
fp@897: rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 1); //w 4 11 11 1
fp@897: rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 0); //w 4 11 11 0
fp@897: }
fp@897: mdio_write(ioaddr, 31, 0x0000); //w 31 2 0 0
fp@897: }
fp@897:
fp@897: static void rtl8169_phy_timer(unsigned long __opaque)
fp@897: {
fp@897: struct net_device *dev = (struct net_device *)__opaque;
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: struct timer_list *timer = &tp->timer;
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: unsigned long timeout = RTL8169_PHY_TIMEOUT;
fp@897:
fp@897: assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
fp@897: assert(tp->phy_version < RTL_GIGA_PHY_VER_H);
fp@897:
fp@897: if (!(tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL))
fp@897: return;
fp@897:
fp@897: spin_lock_irq(&tp->lock);
fp@897:
fp@897: if (tp->phy_reset_pending(ioaddr)) {
fp@897: /*
fp@897: * A busy loop could burn quite a few cycles on nowadays CPU.
fp@897: * Let's delay the execution of the timer for a few ticks.
fp@897: */
fp@897: timeout = HZ/10;
fp@897: goto out_mod_timer;
fp@897: }
fp@897:
fp@897: if (tp->link_ok(ioaddr))
fp@897: goto out_unlock;
fp@897:
fp@897: if (netif_msg_link(tp))
fp@897: printk(KERN_WARNING "%s: PHY reset until link up\n", dev->name);
fp@897:
fp@897: tp->phy_reset_enable(ioaddr);
fp@897:
fp@897: out_mod_timer:
fp@897: mod_timer(timer, jiffies + timeout);
fp@897: out_unlock:
fp@897: spin_unlock_irq(&tp->lock);
fp@897: }
fp@897:
fp@897: static inline void rtl8169_delete_timer(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: struct timer_list *timer = &tp->timer;
fp@897:
fp@897: if ((tp->mac_version <= RTL_GIGA_MAC_VER_01) ||
fp@897: (tp->phy_version >= RTL_GIGA_PHY_VER_H))
fp@897: return;
fp@897:
fp@897: del_timer_sync(timer);
fp@897: }
fp@897:
fp@897: static inline void rtl8169_request_timer(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: struct timer_list *timer = &tp->timer;
fp@897:
fp@897: if ((tp->mac_version <= RTL_GIGA_MAC_VER_01) ||
fp@897: (tp->phy_version >= RTL_GIGA_PHY_VER_H))
fp@897: return;
fp@897:
fp@897: mod_timer(timer, jiffies + RTL8169_PHY_TIMEOUT);
fp@897: }
fp@897:
fp@897: #ifdef CONFIG_NET_POLL_CONTROLLER
fp@897: /*
fp@897: * Polling 'interrupt' - used by things like netconsole to send skbs
fp@897: * without having to re-enable interrupts. It's not called while
fp@897: * the interrupt routine is executing.
fp@897: */
fp@897: static void rtl8169_netpoll(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: struct pci_dev *pdev = tp->pci_dev;
fp@897:
fp@897: disable_irq(pdev->irq);
fp@897: rtl8169_interrupt(pdev->irq, dev);
fp@897: enable_irq(pdev->irq);
fp@897: }
fp@897: #endif
fp@897:
fp@897: static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
fp@897: void __iomem *ioaddr)
fp@897: {
fp@897: iounmap(ioaddr);
fp@897: pci_release_regions(pdev);
fp@897: pci_disable_device(pdev);
fp@897: free_netdev(dev);
fp@897: }
fp@897:
fp@897: static void rtl8169_phy_reset(struct net_device *dev,
fp@897: struct rtl8169_private *tp)
fp@897: {
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: unsigned int i;
fp@897:
fp@897: tp->phy_reset_enable(ioaddr);
fp@897: for (i = 0; i < 100; i++) {
fp@897: if (!tp->phy_reset_pending(ioaddr))
fp@897: return;
fp@897: msleep(1);
fp@897: }
fp@897: if (netif_msg_link(tp))
fp@897: printk(KERN_ERR "%s: PHY reset failed.\n", dev->name);
fp@897: }
fp@897:
fp@897: static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
fp@897: {
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897:
fp@897: rtl8169_hw_phy_config(dev);
fp@897:
fp@897: dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
fp@897: RTL_W8(0x82, 0x01);
fp@897:
fp@897: pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
fp@897:
fp@897: if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
fp@897: pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
fp@897:
fp@897: if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
fp@897: dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
fp@897: RTL_W8(0x82, 0x01);
fp@897: dprintk("Set PHY Reg 0x0bh = 0x00h\n");
fp@897: mdio_write(ioaddr, 0x0b, 0x0000); //w 0x0b 15 0 0
fp@897: }
fp@897:
fp@897: rtl8169_phy_reset(dev, tp);
fp@897:
fp@897: /*
fp@897: * rtl8169_set_speed_xmii takes good care of the Fast Ethernet
fp@897: * only 8101. Don't panic.
fp@897: */
fp@897: rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL);
fp@897:
fp@897: if ((RTL_R8(PHYstatus) & TBI_Enable) && netif_msg_link(tp))
fp@897: printk(KERN_INFO PFX "%s: TBI auto-negotiating\n", dev->name);
fp@897: }
fp@897:
fp@897: static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
fp@897: {
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: u32 high;
fp@897: u32 low;
fp@897:
fp@897: low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
fp@897: high = addr[4] | (addr[5] << 8);
fp@897:
fp@897: spin_lock_irq(&tp->lock);
fp@897:
fp@897: RTL_W8(Cfg9346, Cfg9346_Unlock);
fp@897: RTL_W32(MAC0, low);
fp@897: RTL_W32(MAC4, high);
fp@897: RTL_W8(Cfg9346, Cfg9346_Lock);
fp@897:
fp@897: spin_unlock_irq(&tp->lock);
fp@897: }
fp@897:
fp@897: static int rtl_set_mac_address(struct net_device *dev, void *p)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: struct sockaddr *addr = p;
fp@897:
fp@897: if (!is_valid_ether_addr(addr->sa_data))
fp@897: return -EADDRNOTAVAIL;
fp@897:
fp@897: memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
fp@897:
fp@897: rtl_rar_set(tp, dev->dev_addr);
fp@897:
fp@897: return 0;
fp@897: }
fp@897:
fp@897: static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: struct mii_ioctl_data *data = if_mii(ifr);
fp@897:
fp@897: if (!netif_running(dev))
fp@897: return -ENODEV;
fp@897:
fp@897: switch (cmd) {
fp@897: case SIOCGMIIPHY:
fp@897: data->phy_id = 32; /* Internal PHY */
fp@897: return 0;
fp@897:
fp@897: case SIOCGMIIREG:
fp@897: data->val_out = mdio_read(tp->mmio_addr, data->reg_num & 0x1f);
fp@897: return 0;
fp@897:
fp@897: case SIOCSMIIREG:
fp@897: if (!capable(CAP_NET_ADMIN))
fp@897: return -EPERM;
fp@897: mdio_write(tp->mmio_addr, data->reg_num & 0x1f, data->val_in);
fp@897: return 0;
fp@897: }
fp@897: return -EOPNOTSUPP;
fp@897: }
fp@897:
fp@897: static const struct rtl_cfg_info {
fp@897: void (*hw_start)(struct net_device *);
fp@897: unsigned int region;
fp@897: unsigned int align;
fp@897: u16 intr_event;
fp@897: u16 napi_event;
fp@897: } rtl_cfg_infos [] = {
fp@897: [RTL_CFG_0] = {
fp@897: .hw_start = rtl_hw_start_8169,
fp@897: .region = 1,
fp@897: .align = 0,
fp@897: .intr_event = SYSErr | LinkChg | RxOverflow |
fp@897: RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
fp@897: .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow
fp@897: },
fp@897: [RTL_CFG_1] = {
fp@897: .hw_start = rtl_hw_start_8168,
fp@897: .region = 2,
fp@897: .align = 8,
fp@897: .intr_event = SYSErr | LinkChg | RxOverflow |
fp@897: TxErr | TxOK | RxOK | RxErr,
fp@897: .napi_event = TxErr | TxOK | RxOK | RxOverflow
fp@897: },
fp@897: [RTL_CFG_2] = {
fp@897: .hw_start = rtl_hw_start_8101,
fp@897: .region = 2,
fp@897: .align = 8,
fp@897: .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout |
fp@897: RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
fp@897: .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow
fp@897: }
fp@897: };
fp@897:
fp@897: static int __devinit
fp@897: rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
fp@897: {
fp@897: const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
fp@897: const unsigned int region = cfg->region;
fp@897: struct rtl8169_private *tp;
fp@897: struct net_device *dev;
fp@897: void __iomem *ioaddr;
fp@897: unsigned int i;
fp@897: int rc;
fp@897:
fp@897: if (netif_msg_drv(&debug)) {
fp@897: printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
fp@897: MODULENAME, RTL8169_VERSION);
fp@897: }
fp@897:
fp@897: dev = alloc_etherdev(sizeof (*tp));
fp@897: if (!dev) {
fp@897: if (netif_msg_drv(&debug))
fp@897: dev_err(&pdev->dev, "unable to alloc new ethernet\n");
fp@897: rc = -ENOMEM;
fp@897: goto out;
fp@897: }
fp@897:
fp@897: SET_MODULE_OWNER(dev);
fp@897: SET_NETDEV_DEV(dev, &pdev->dev);
fp@897: tp = netdev_priv(dev);
fp@897: tp->dev = dev;
fp@897: tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
fp@897:
fp@897: /* enable device (incl. PCI PM wakeup and hotplug setup) */
fp@897: rc = pci_enable_device(pdev);
fp@897: if (rc < 0) {
fp@897: if (netif_msg_probe(tp))
fp@897: dev_err(&pdev->dev, "enable failure\n");
fp@897: goto err_out_free_dev_1;
fp@897: }
fp@897:
fp@897: rc = pci_set_mwi(pdev);
fp@897: if (rc < 0)
fp@897: goto err_out_disable_2;
fp@897:
fp@897: /* make sure PCI base addr 1 is MMIO */
fp@897: if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
fp@897: if (netif_msg_probe(tp)) {
fp@897: dev_err(&pdev->dev,
fp@897: "region #%d not an MMIO resource, aborting\n",
fp@897: region);
fp@897: }
fp@897: rc = -ENODEV;
fp@897: goto err_out_mwi_3;
fp@897: }
fp@897:
fp@897: /* check for weird/broken PCI region reporting */
fp@897: if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
fp@897: if (netif_msg_probe(tp)) {
fp@897: dev_err(&pdev->dev,
fp@897: "Invalid PCI region size(s), aborting\n");
fp@897: }
fp@897: rc = -ENODEV;
fp@897: goto err_out_mwi_3;
fp@897: }
fp@897:
fp@897: rc = pci_request_regions(pdev, MODULENAME);
fp@897: if (rc < 0) {
fp@897: if (netif_msg_probe(tp))
fp@897: dev_err(&pdev->dev, "could not request regions.\n");
fp@897: goto err_out_mwi_3;
fp@897: }
fp@897:
fp@897: tp->cp_cmd = PCIMulRW | RxChkSum;
fp@897:
fp@897: if ((sizeof(dma_addr_t) > 4) &&
fp@897: !pci_set_dma_mask(pdev, DMA_64BIT_MASK) && use_dac) {
fp@897: tp->cp_cmd |= PCIDAC;
fp@897: dev->features |= NETIF_F_HIGHDMA;
fp@897: } else {
fp@897: rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
fp@897: if (rc < 0) {
fp@897: if (netif_msg_probe(tp)) {
fp@897: dev_err(&pdev->dev,
fp@897: "DMA configuration failed.\n");
fp@897: }
fp@897: goto err_out_free_res_4;
fp@897: }
fp@897: }
fp@897:
fp@897: pci_set_master(pdev);
fp@897:
fp@897: /* ioremap MMIO region */
fp@897: ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
fp@897: if (!ioaddr) {
fp@897: if (netif_msg_probe(tp))
fp@897: dev_err(&pdev->dev, "cannot remap MMIO, aborting\n");
fp@897: rc = -EIO;
fp@897: goto err_out_free_res_4;
fp@897: }
fp@897:
fp@897: /* Unneeded ? Don't mess with Mrs. Murphy. */
fp@897: rtl8169_irq_mask_and_ack(ioaddr);
fp@897:
fp@897: /* Soft reset the chip. */
fp@897: RTL_W8(ChipCmd, CmdReset);
fp@897:
fp@897: /* Check that the chip has finished the reset. */
fp@897: for (i = 0; i < 100; i++) {
fp@897: if ((RTL_R8(ChipCmd) & CmdReset) == 0)
fp@897: break;
fp@897: msleep_interruptible(1);
fp@897: }
fp@897:
fp@897: /* Identify chip attached to board */
fp@897: rtl8169_get_mac_version(tp, ioaddr);
fp@897: rtl8169_get_phy_version(tp, ioaddr);
fp@897:
fp@897: rtl8169_print_mac_version(tp);
fp@897: rtl8169_print_phy_version(tp);
fp@897:
fp@897: for (i = ARRAY_SIZE(rtl_chip_info) - 1; i >= 0; i--) {
fp@897: if (tp->mac_version == rtl_chip_info[i].mac_version)
fp@897: break;
fp@897: }
fp@897: if (i < 0) {
fp@897: /* Unknown chip: assume array element #0, original RTL-8169 */
fp@897: if (netif_msg_probe(tp)) {
fp@897: dev_printk(KERN_DEBUG, &pdev->dev,
fp@897: "unknown chip version, assuming %s\n",
fp@897: rtl_chip_info[0].name);
fp@897: }
fp@897: i++;
fp@897: }
fp@897: tp->chipset = i;
fp@897:
fp@897: RTL_W8(Cfg9346, Cfg9346_Unlock);
fp@897: RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
fp@897: RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
fp@897: RTL_W8(Cfg9346, Cfg9346_Lock);
fp@897:
fp@897: if (RTL_R8(PHYstatus) & TBI_Enable) {
fp@897: tp->set_speed = rtl8169_set_speed_tbi;
fp@897: tp->get_settings = rtl8169_gset_tbi;
fp@897: tp->phy_reset_enable = rtl8169_tbi_reset_enable;
fp@897: tp->phy_reset_pending = rtl8169_tbi_reset_pending;
fp@897: tp->link_ok = rtl8169_tbi_link_ok;
fp@897:
fp@897: tp->phy_1000_ctrl_reg = ADVERTISE_1000FULL; /* Implied by TBI */
fp@897: } else {
fp@897: tp->set_speed = rtl8169_set_speed_xmii;
fp@897: tp->get_settings = rtl8169_gset_xmii;
fp@897: tp->phy_reset_enable = rtl8169_xmii_reset_enable;
fp@897: tp->phy_reset_pending = rtl8169_xmii_reset_pending;
fp@897: tp->link_ok = rtl8169_xmii_link_ok;
fp@897:
fp@897: dev->do_ioctl = rtl8169_ioctl;
fp@897: }
fp@897:
fp@897: /* Get MAC address. FIXME: read EEPROM */
fp@897: for (i = 0; i < MAC_ADDR_LEN; i++)
fp@897: dev->dev_addr[i] = RTL_R8(MAC0 + i);
fp@897: memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
fp@897:
fp@897: dev->open = rtl8169_open;
fp@897: dev->hard_start_xmit = rtl8169_start_xmit;
fp@897: dev->get_stats = rtl8169_get_stats;
fp@897: SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
fp@897: dev->stop = rtl8169_close;
fp@897: dev->tx_timeout = rtl8169_tx_timeout;
fp@897: dev->set_multicast_list = rtl_set_rx_mode;
fp@897: dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
fp@897: dev->irq = pdev->irq;
fp@897: dev->base_addr = (unsigned long) ioaddr;
fp@897: dev->change_mtu = rtl8169_change_mtu;
fp@897: dev->set_mac_address = rtl_set_mac_address;
fp@897:
fp@897: #ifdef CONFIG_R8169_NAPI
fp@897: dev->poll = rtl8169_poll;
fp@897: dev->weight = R8169_NAPI_WEIGHT;
fp@897: #endif
fp@897:
fp@897: #ifdef CONFIG_R8169_VLAN
fp@897: dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
fp@897: dev->vlan_rx_register = rtl8169_vlan_rx_register;
fp@897: #endif
fp@897:
fp@897: #ifdef CONFIG_NET_POLL_CONTROLLER
fp@897: dev->poll_controller = rtl8169_netpoll;
fp@897: #endif
fp@897:
fp@897: tp->intr_mask = 0xffff;
fp@897: tp->pci_dev = pdev;
fp@897: tp->mmio_addr = ioaddr;
fp@897: tp->align = cfg->align;
fp@897: tp->hw_start = cfg->hw_start;
fp@897: tp->intr_event = cfg->intr_event;
fp@897: tp->napi_event = cfg->napi_event;
fp@897:
fp@897: init_timer(&tp->timer);
fp@897: tp->timer.data = (unsigned long) dev;
fp@897: tp->timer.function = rtl8169_phy_timer;
fp@897:
fp@897: spin_lock_init(&tp->lock);
fp@897:
fp@897: // offer device to EtherCAT master module
fp@1011: tp->ecdev = ecdev_offer(dev, ec_poll, THIS_MODULE);
fp@897:
fp@897: if (!tp->ecdev) {
fp@897: printk(KERN_INFO "about to register device named %s (%p)...\n", dev->name, dev);
fp@897: i = register_netdev (dev);
fp@897: if (i) goto err_out_unmap_5;
fp@897: }
fp@897:
fp@897: pci_set_drvdata(pdev, dev);
fp@897:
fp@897: if (netif_msg_probe(tp)) {
fp@897: u32 xid = RTL_R32(TxConfig) & 0x7cf0f8ff;
fp@897:
fp@897: printk(KERN_INFO "%s: %s at 0x%lx, "
fp@897: "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, "
fp@897: "XID %08x IRQ %d\n",
fp@897: dev->name,
fp@897: rtl_chip_info[tp->chipset].name,
fp@897: dev->base_addr,
fp@897: dev->dev_addr[0], dev->dev_addr[1],
fp@897: dev->dev_addr[2], dev->dev_addr[3],
fp@897: dev->dev_addr[4], dev->dev_addr[5], xid, dev->irq);
fp@897: }
fp@897:
fp@897: rtl8169_init_phy(dev, tp);
fp@897:
fp@897: if (tp->ecdev && ecdev_open(tp->ecdev)) {
fp@897: ecdev_withdraw(tp->ecdev);
fp@897: goto err_out_unmap_5;
fp@897: }
fp@897:
fp@897: out:
fp@897: return rc;
fp@897:
fp@897: err_out_unmap_5:
fp@897: iounmap(ioaddr);
fp@897: err_out_free_res_4:
fp@897: pci_release_regions(pdev);
fp@897: err_out_mwi_3:
fp@897: pci_clear_mwi(pdev);
fp@897: err_out_disable_2:
fp@897: pci_disable_device(pdev);
fp@897: err_out_free_dev_1:
fp@897: free_netdev(dev);
fp@897: goto out;
fp@897: }
fp@897:
fp@897: static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
fp@897: {
fp@897: struct net_device *dev = pci_get_drvdata(pdev);
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897:
fp@897: flush_scheduled_work();
fp@897:
fp@897:
fp@897: if (tp->ecdev) {
fp@897: ecdev_close(tp->ecdev);
fp@897: ecdev_withdraw(tp->ecdev);
fp@897: }
fp@897: else {
fp@897: unregister_netdev (dev);
fp@897: }
fp@897:
fp@897: rtl8169_release_board(pdev, dev, tp->mmio_addr);
fp@897: pci_set_drvdata(pdev, NULL);
fp@897: }
fp@897:
fp@897: static void rtl8169_set_rxbufsize(struct rtl8169_private *tp,
fp@897: struct net_device *dev)
fp@897: {
fp@897: unsigned int mtu = dev->mtu;
fp@897:
fp@897: tp->rx_buf_sz = (mtu > RX_BUF_SIZE) ? mtu + ETH_HLEN + 8 : RX_BUF_SIZE;
fp@897: }
fp@897:
fp@897: static int rtl8169_open(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: struct pci_dev *pdev = tp->pci_dev;
fp@897: int retval = -ENOMEM;
fp@897:
fp@897:
fp@897: rtl8169_set_rxbufsize(tp, dev);
fp@897:
fp@897: /*
fp@897: * Rx and Tx desscriptors needs 256 bytes alignment.
fp@897: * pci_alloc_consistent provides more.
fp@897: */
fp@897: tp->TxDescArray = pci_alloc_consistent(pdev, R8169_TX_RING_BYTES,
fp@897: &tp->TxPhyAddr);
fp@897: if (!tp->TxDescArray)
fp@897: goto out;
fp@897:
fp@897: tp->RxDescArray = pci_alloc_consistent(pdev, R8169_RX_RING_BYTES,
fp@897: &tp->RxPhyAddr);
fp@897: if (!tp->RxDescArray)
fp@897: goto err_free_tx_0;
fp@897:
fp@897: retval = rtl8169_init_ring(dev);
fp@897: if (retval < 0)
fp@897: goto err_free_rx_1;
fp@897:
fp@897: INIT_DELAYED_WORK(&tp->task, NULL);
fp@897:
fp@897: smp_mb();
fp@897:
fp@897: if (!tp->ecdev) {
fp@897: retval = request_irq(dev->irq, rtl8169_interrupt, IRQF_SHARED,
fp@897: dev->name, dev);
fp@897: if (retval < 0)
fp@897: goto err_release_ring_2;
fp@897: }
fp@897:
fp@897: rtl_hw_start(dev);
fp@897:
fp@897: rtl8169_request_timer(dev);
fp@897:
fp@897: rtl8169_check_link_status(dev, tp, tp->mmio_addr);
fp@897: out:
fp@897: return retval;
fp@897:
fp@897: err_release_ring_2:
fp@897: rtl8169_rx_clear(tp);
fp@897: err_free_rx_1:
fp@897: pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray,
fp@897: tp->RxPhyAddr);
fp@897: err_free_tx_0:
fp@897: pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray,
fp@897: tp->TxPhyAddr);
fp@897: goto out;
fp@897: }
fp@897:
fp@897: static void rtl8169_hw_reset(void __iomem *ioaddr)
fp@897: {
fp@897: /* Disable interrupts */
fp@897: rtl8169_irq_mask_and_ack(ioaddr);
fp@897:
fp@897: /* Reset the chipset */
fp@897: RTL_W8(ChipCmd, CmdReset);
fp@897:
fp@897: /* PCI commit */
fp@897: RTL_R8(ChipCmd);
fp@897: }
fp@897:
fp@897: static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
fp@897: {
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: u32 cfg = rtl8169_rx_config;
fp@897:
fp@897: cfg |= (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask);
fp@897: RTL_W32(RxConfig, cfg);
fp@897:
fp@897: /* Set DMA burst size and Interframe Gap Time */
fp@897: RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
fp@897: (InterFrameGap << TxInterFrameGapShift));
fp@897: }
fp@897:
fp@897: static void rtl_hw_start(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: unsigned int i;
fp@897:
fp@897: /* Soft reset the chip. */
fp@897: RTL_W8(ChipCmd, CmdReset);
fp@897:
fp@897: /* Check that the chip has finished the reset. */
fp@897: for (i = 0; i < 100; i++) {
fp@897: if ((RTL_R8(ChipCmd) & CmdReset) == 0)
fp@897: break;
fp@897: msleep_interruptible(1);
fp@897: }
fp@897:
fp@897: tp->hw_start(dev);
fp@897:
fp@897: if(!tp->ecdev) {
fp@897: netif_start_queue(dev);
fp@897: }
fp@897: }
fp@897:
fp@897:
fp@897: void ec_poll(struct net_device *dev)
fp@897: {
fp@897: rtl8169_interrupt(0, dev);
fp@897: }
fp@897:
fp@897: static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
fp@897: void __iomem *ioaddr)
fp@897: {
fp@897: /*
fp@897: * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
fp@897: * register to be written before TxDescAddrLow to work.
fp@897: * Switching from MMIO to I/O access fixes the issue as well.
fp@897: */
fp@897: RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
fp@897: RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_32BIT_MASK);
fp@897: RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
fp@897: RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_32BIT_MASK);
fp@897: }
fp@897:
fp@897: static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
fp@897: {
fp@897: u16 cmd;
fp@897:
fp@897: cmd = RTL_R16(CPlusCmd);
fp@897: RTL_W16(CPlusCmd, cmd);
fp@897: return cmd;
fp@897: }
fp@897:
fp@897: static void rtl_set_rx_max_size(void __iomem *ioaddr)
fp@897: {
fp@897: /* Low hurts. Let's disable the filtering. */
fp@897: RTL_W16(RxMaxSize, 16383);
fp@897: }
fp@897:
fp@897: static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
fp@897: {
fp@897: struct {
fp@897: u32 mac_version;
fp@897: u32 clk;
fp@897: u32 val;
fp@897: } cfg2_info [] = {
fp@897: { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
fp@897: { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
fp@897: { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
fp@897: { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
fp@897: }, *p = cfg2_info;
fp@897: unsigned int i;
fp@897: u32 clk;
fp@897:
fp@897: clk = RTL_R8(Config2) & PCI_Clock_66MHz;
fp@897: for (i = 0; i < ARRAY_SIZE(cfg2_info); i++) {
fp@897: if ((p->mac_version == mac_version) && (p->clk == clk)) {
fp@897: RTL_W32(0x7c, p->val);
fp@897: break;
fp@897: }
fp@897: }
fp@897: }
fp@897:
fp@897: static void rtl_hw_start_8169(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: struct pci_dev *pdev = tp->pci_dev;
fp@897:
fp@897: if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
fp@897: RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
fp@897: pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
fp@897: }
fp@897:
fp@897: RTL_W8(Cfg9346, Cfg9346_Unlock);
fp@897: if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_03) ||
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_04))
fp@897: RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
fp@897:
fp@897: RTL_W8(EarlyTxThres, EarlyTxThld);
fp@897:
fp@897: rtl_set_rx_max_size(ioaddr);
fp@897:
fp@897: rtl_set_rx_tx_config_registers(tp);
fp@897:
fp@897: tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
fp@897:
fp@897: if ((tp->mac_version == RTL_GIGA_MAC_VER_02) ||
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_03)) {
fp@897: dprintk(KERN_INFO PFX "Set MAC Reg C+CR Offset 0xE0. "
fp@897: "Bit-3 and bit-14 MUST be 1\n");
fp@897: tp->cp_cmd |= (1 << 14);
fp@897: }
fp@897:
fp@897: RTL_W16(CPlusCmd, tp->cp_cmd);
fp@897:
fp@897: rtl8169_set_magic_reg(ioaddr, tp->mac_version);
fp@897:
fp@897: /*
fp@897: * Undocumented corner. Supposedly:
fp@897: * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
fp@897: */
fp@897: RTL_W16(IntrMitigate, 0x0000);
fp@897:
fp@897: rtl_set_rx_tx_desc_registers(tp, ioaddr);
fp@897:
fp@897: RTL_W8(Cfg9346, Cfg9346_Lock);
fp@897:
fp@897: /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
fp@897: RTL_R8(IntrMask);
fp@897:
fp@897: RTL_W32(RxMissed, 0);
fp@897:
fp@897: rtl_set_rx_mode(dev);
fp@897:
fp@897: /* no early-rx interrupts */
fp@897: RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
fp@897:
fp@897: /* Enable all known interrupts by setting the interrupt mask. */
fp@897: if(!tp->ecdev) {
fp@897: RTL_W16(IntrMask, tp->intr_event);
fp@897: }
fp@897:
fp@897: RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
fp@897: }
fp@897:
fp@897: static void rtl_hw_start_8168(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: struct pci_dev *pdev = tp->pci_dev;
fp@897: u8 ctl;
fp@897:
fp@897: RTL_W8(Cfg9346, Cfg9346_Unlock);
fp@897:
fp@897: RTL_W8(EarlyTxThres, EarlyTxThld);
fp@897:
fp@897: rtl_set_rx_max_size(ioaddr);
fp@897:
fp@897: rtl_set_rx_tx_config_registers(tp);
fp@897:
fp@897: tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
fp@897:
fp@897: RTL_W16(CPlusCmd, tp->cp_cmd);
fp@897:
fp@897: /* Tx performance tweak. */
fp@897: pci_read_config_byte(pdev, 0x69, &ctl);
fp@897: ctl = (ctl & ~0x70) | 0x50;
fp@897: pci_write_config_byte(pdev, 0x69, ctl);
fp@897:
fp@897: RTL_W16(IntrMitigate, 0x5151);
fp@897:
fp@897: /* Work around for RxFIFO overflow. */
fp@897: if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
fp@897: tp->intr_event |= RxFIFOOver | PCSTimeout;
fp@897: tp->intr_event &= ~RxOverflow;
fp@897: }
fp@897:
fp@897: rtl_set_rx_tx_desc_registers(tp, ioaddr);
fp@897:
fp@897: RTL_W8(Cfg9346, Cfg9346_Lock);
fp@897:
fp@897: RTL_R8(IntrMask);
fp@897:
fp@897: RTL_W32(RxMissed, 0);
fp@897:
fp@897: rtl_set_rx_mode(dev);
fp@897:
fp@897: RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
fp@897:
fp@897: RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
fp@897:
fp@897: if(!tp->ecdev) {
fp@897: RTL_W16(IntrMask, tp->intr_event);
fp@897: }
fp@897: }
fp@897:
fp@897: static void rtl_hw_start_8101(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: struct pci_dev *pdev = tp->pci_dev;
fp@897:
fp@897: if (tp->mac_version == RTL_GIGA_MAC_VER_13) {
fp@897: pci_write_config_word(pdev, 0x68, 0x00);
fp@897: pci_write_config_word(pdev, 0x69, 0x08);
fp@897: }
fp@897:
fp@897: RTL_W8(Cfg9346, Cfg9346_Unlock);
fp@897:
fp@897: RTL_W8(EarlyTxThres, EarlyTxThld);
fp@897:
fp@897: rtl_set_rx_max_size(ioaddr);
fp@897:
fp@897: tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
fp@897:
fp@897: RTL_W16(CPlusCmd, tp->cp_cmd);
fp@897:
fp@897: RTL_W16(IntrMitigate, 0x0000);
fp@897:
fp@897: rtl_set_rx_tx_desc_registers(tp, ioaddr);
fp@897:
fp@897: RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
fp@897: rtl_set_rx_tx_config_registers(tp);
fp@897:
fp@897: RTL_W8(Cfg9346, Cfg9346_Lock);
fp@897:
fp@897: RTL_R8(IntrMask);
fp@897:
fp@897: RTL_W32(RxMissed, 0);
fp@897:
fp@897: rtl_set_rx_mode(dev);
fp@897:
fp@897: RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
fp@897:
fp@897: RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
fp@897:
fp@897: if(!tp->ecdev) {
fp@897: RTL_W16(IntrMask, tp->intr_event);
fp@897: }
fp@897: }
fp@897:
fp@897: static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: int ret = 0;
fp@897:
fp@897: if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
fp@897: return -EINVAL;
fp@897:
fp@897: dev->mtu = new_mtu;
fp@897:
fp@897: if (!netif_running(dev))
fp@897: goto out;
fp@897:
fp@897: rtl8169_down(dev);
fp@897:
fp@897: rtl8169_set_rxbufsize(tp, dev);
fp@897:
fp@897: ret = rtl8169_init_ring(dev);
fp@897: if (ret < 0)
fp@897: goto out;
fp@897:
fp@897: netif_poll_enable(dev);
fp@897:
fp@897: rtl_hw_start(dev);
fp@897:
fp@897: rtl8169_request_timer(dev);
fp@897:
fp@897: out:
fp@897: return ret;
fp@897: }
fp@897:
fp@897: static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
fp@897: {
fp@897: desc->addr = 0x0badbadbadbadbadull;
fp@897: desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
fp@897: }
fp@897:
fp@897: static void rtl8169_free_rx_skb(struct rtl8169_private *tp,
fp@897: struct sk_buff **sk_buff, struct RxDesc *desc)
fp@897: {
fp@897: struct pci_dev *pdev = tp->pci_dev;
fp@897:
fp@897: pci_unmap_single(pdev, le64_to_cpu(desc->addr), tp->rx_buf_sz,
fp@897: PCI_DMA_FROMDEVICE);
fp@897: if(!tp->ecdev) {
fp@897: dev_kfree_skb(*sk_buff);
fp@897: *sk_buff = NULL;
fp@897: }
fp@897: rtl8169_make_unusable_by_asic(desc);
fp@897: }
fp@897:
fp@897: static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
fp@897: {
fp@897: u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
fp@897:
fp@897: desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
fp@897: }
fp@897:
fp@897: static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
fp@897: u32 rx_buf_sz)
fp@897: {
fp@897: desc->addr = cpu_to_le64(mapping);
fp@897: wmb();
fp@897: rtl8169_mark_to_asic(desc, rx_buf_sz);
fp@897: }
fp@897:
fp@897: static struct sk_buff *rtl8169_alloc_rx_skb(struct pci_dev *pdev,
fp@897: struct net_device *dev,
fp@897: struct RxDesc *desc, int rx_buf_sz,
fp@897: unsigned int align)
fp@897: {
fp@897: struct sk_buff *skb;
fp@897: dma_addr_t mapping;
fp@897: unsigned int pad;
fp@897:
fp@897: pad = align ? align : NET_IP_ALIGN;
fp@897:
fp@897: skb = netdev_alloc_skb(dev, rx_buf_sz + pad);
fp@897: if (!skb)
fp@897: goto err_out;
fp@897:
fp@897: skb_reserve(skb, align ? ((pad - 1) & (unsigned long)skb->data) : pad);
fp@897:
fp@897: mapping = pci_map_single(pdev, skb->data, rx_buf_sz,
fp@897: PCI_DMA_FROMDEVICE);
fp@897:
fp@897: rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
fp@897: out:
fp@897: return skb;
fp@897:
fp@897: err_out:
fp@897: rtl8169_make_unusable_by_asic(desc);
fp@897: goto out;
fp@897: }
fp@897:
fp@897: static void rtl8169_rx_clear(struct rtl8169_private *tp)
fp@897: {
fp@897: unsigned int i;
fp@897:
fp@897: for (i = 0; i < NUM_RX_DESC; i++) {
fp@897: if (tp->Rx_skbuff[i]) {
fp@897: rtl8169_free_rx_skb(tp, tp->Rx_skbuff + i,
fp@897: tp->RxDescArray + i);
fp@897: }
fp@897: }
fp@897: }
fp@897:
fp@897: static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev,
fp@897: u32 start, u32 end)
fp@897: {
fp@897: u32 cur;
fp@897:
fp@897: for (cur = start; end - cur != 0; cur++) {
fp@897: struct sk_buff *skb;
fp@897: unsigned int i = cur % NUM_RX_DESC;
fp@897:
fp@897: WARN_ON((s32)(end - cur) < 0);
fp@897:
fp@897: if (tp->Rx_skbuff[i])
fp@897: continue;
fp@897:
fp@897: skb = rtl8169_alloc_rx_skb(tp->pci_dev, dev,
fp@897: tp->RxDescArray + i,
fp@897: tp->rx_buf_sz, tp->align);
fp@897: if (!skb)
fp@897: break;
fp@897:
fp@897: tp->Rx_skbuff[i] = skb;
fp@897: }
fp@897: return cur - start;
fp@897: }
fp@897:
fp@897: static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
fp@897: {
fp@897: desc->opts1 |= cpu_to_le32(RingEnd);
fp@897: }
fp@897:
fp@897: static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
fp@897: {
fp@897: tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
fp@897: }
fp@897:
fp@897: static int rtl8169_init_ring(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897:
fp@897: rtl8169_init_ring_indexes(tp);
fp@897:
fp@897: memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
fp@897: memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *));
fp@897:
fp@897: if (rtl8169_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC)
fp@897: goto err_out;
fp@897:
fp@897: rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
fp@897:
fp@897: return 0;
fp@897:
fp@897: err_out:
fp@897: rtl8169_rx_clear(tp);
fp@897: return -ENOMEM;
fp@897: }
fp@897:
fp@897: static void rtl8169_unmap_tx_skb(struct pci_dev *pdev, struct ring_info *tx_skb,
fp@897: struct TxDesc *desc)
fp@897: {
fp@897: unsigned int len = tx_skb->len;
fp@897:
fp@897: pci_unmap_single(pdev, le64_to_cpu(desc->addr), len, PCI_DMA_TODEVICE);
fp@897: desc->opts1 = 0x00;
fp@897: desc->opts2 = 0x00;
fp@897: desc->addr = 0x00;
fp@897: tx_skb->len = 0;
fp@897: }
fp@897:
fp@897: static void rtl8169_tx_clear(struct rtl8169_private *tp)
fp@897: {
fp@897: unsigned int i;
fp@897:
fp@897: for (i = tp->dirty_tx; i < tp->dirty_tx + NUM_TX_DESC; i++) {
fp@897: unsigned int entry = i % NUM_TX_DESC;
fp@897: struct ring_info *tx_skb = tp->tx_skb + entry;
fp@897: unsigned int len = tx_skb->len;
fp@897:
fp@897: if (len) {
fp@897: struct sk_buff *skb = tx_skb->skb;
fp@897:
fp@897: rtl8169_unmap_tx_skb(tp->pci_dev, tx_skb,
fp@897: tp->TxDescArray + entry);
fp@897: if (skb) {
fp@897: if(!tp->ecdev) {
fp@897: dev_kfree_skb(skb);
fp@897: tx_skb->skb = NULL;
fp@897: }
fp@897: }
fp@897: tp->stats.tx_dropped++;
fp@897: }
fp@897: }
fp@897: tp->cur_tx = tp->dirty_tx = 0;
fp@897: }
fp@897:
fp@897: static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897:
fp@897: PREPARE_DELAYED_WORK(&tp->task, task);
fp@897: schedule_delayed_work(&tp->task, 4);
fp@897: }
fp@897:
fp@897: static void rtl8169_wait_for_quiescence(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897:
fp@897: synchronize_irq(dev->irq);
fp@897:
fp@897: /* Wait for any pending NAPI task to complete */
fp@897: netif_poll_disable(dev);
fp@897:
fp@897: rtl8169_irq_mask_and_ack(ioaddr);
fp@897:
fp@897: netif_poll_enable(dev);
fp@897: }
fp@897:
fp@897: static void rtl8169_reinit_task(struct work_struct *work)
fp@897: {
fp@897: struct rtl8169_private *tp =
fp@897: container_of(work, struct rtl8169_private, task.work);
fp@897: struct net_device *dev = tp->dev;
fp@897: int ret;
fp@897:
fp@897: rtnl_lock();
fp@897:
fp@897: if (!netif_running(dev))
fp@897: goto out_unlock;
fp@897:
fp@897: rtl8169_wait_for_quiescence(dev);
fp@897: rtl8169_close(dev);
fp@897:
fp@897: ret = rtl8169_open(dev);
fp@897: if (unlikely(ret < 0)) {
fp@897: if (net_ratelimit() && netif_msg_drv(tp)) {
fp@897: printk(PFX KERN_ERR "%s: reinit failure (status = %d)."
fp@897: " Rescheduling.\n", dev->name, ret);
fp@897: }
fp@897: rtl8169_schedule_work(dev, rtl8169_reinit_task);
fp@897: }
fp@897:
fp@897: out_unlock:
fp@897: rtnl_unlock();
fp@897: }
fp@897:
fp@897: static void rtl8169_reset_task(struct work_struct *work)
fp@897: {
fp@897: struct rtl8169_private *tp =
fp@897: container_of(work, struct rtl8169_private, task.work);
fp@897: struct net_device *dev = tp->dev;
fp@897:
fp@897: rtnl_lock();
fp@897:
fp@897: if (!netif_running(dev))
fp@897: goto out_unlock;
fp@897:
fp@897: rtl8169_wait_for_quiescence(dev);
fp@897:
fp@897: rtl8169_rx_interrupt(dev, tp, tp->mmio_addr);
fp@897: rtl8169_tx_clear(tp);
fp@897:
fp@897: if (tp->dirty_rx == tp->cur_rx) {
fp@897: rtl8169_init_ring_indexes(tp);
fp@897: rtl_hw_start(dev);
fp@897: netif_wake_queue(dev);
fp@897: } else {
fp@897: if (net_ratelimit() && netif_msg_intr(tp)) {
fp@897: printk(PFX KERN_EMERG "%s: Rx buffers shortage\n",
fp@897: dev->name);
fp@897: }
fp@897: rtl8169_schedule_work(dev, rtl8169_reset_task);
fp@897: }
fp@897:
fp@897: out_unlock:
fp@897: rtnl_unlock();
fp@897: }
fp@897:
fp@897: static void rtl8169_tx_timeout(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897:
fp@897: rtl8169_hw_reset(tp->mmio_addr);
fp@897:
fp@897: /* Let's wait a bit while any (async) irq lands on */
fp@897: rtl8169_schedule_work(dev, rtl8169_reset_task);
fp@897: }
fp@897:
fp@897: static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
fp@897: u32 opts1)
fp@897: {
fp@897: struct skb_shared_info *info = skb_shinfo(skb);
fp@897: unsigned int cur_frag, entry;
fp@897: struct TxDesc * uninitialized_var(txd);
fp@897:
fp@897: entry = tp->cur_tx;
fp@897: for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
fp@897: skb_frag_t *frag = info->frags + cur_frag;
fp@897: dma_addr_t mapping;
fp@897: u32 status, len;
fp@897: void *addr;
fp@897:
fp@897: entry = (entry + 1) % NUM_TX_DESC;
fp@897:
fp@897: txd = tp->TxDescArray + entry;
fp@897: len = frag->size;
fp@897: addr = ((void *) page_address(frag->page)) + frag->page_offset;
fp@897: mapping = pci_map_single(tp->pci_dev, addr, len, PCI_DMA_TODEVICE);
fp@897:
fp@897: /* anti gcc 2.95.3 bugware (sic) */
fp@897: status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
fp@897:
fp@897: txd->opts1 = cpu_to_le32(status);
fp@897: txd->addr = cpu_to_le64(mapping);
fp@897:
fp@897: tp->tx_skb[entry].len = len;
fp@897: }
fp@897:
fp@897: if (cur_frag) {
fp@897: tp->tx_skb[entry].skb = skb;
fp@897: txd->opts1 |= cpu_to_le32(LastFrag);
fp@897: }
fp@897:
fp@897: return cur_frag;
fp@897: }
fp@897:
fp@897: static inline u32 rtl8169_tso_csum(struct sk_buff *skb, struct net_device *dev)
fp@897: {
fp@897: if (dev->features & NETIF_F_TSO) {
fp@897: u32 mss = skb_shinfo(skb)->gso_size;
fp@897:
fp@897: if (mss)
fp@897: return LargeSend | ((mss & MSSMask) << MSSShift);
fp@897: }
fp@897: if (skb->ip_summed == CHECKSUM_PARTIAL) {
fp@897: const struct iphdr *ip = ip_hdr(skb);
fp@897:
fp@897: if (ip->protocol == IPPROTO_TCP)
fp@897: return IPCS | TCPCS;
fp@897: else if (ip->protocol == IPPROTO_UDP)
fp@897: return IPCS | UDPCS;
fp@897: WARN_ON(1); /* we need a WARN() */
fp@897: }
fp@897: return 0;
fp@897: }
fp@897:
fp@897: static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: unsigned int frags, entry = tp->cur_tx % NUM_TX_DESC;
fp@897: struct TxDesc *txd = tp->TxDescArray + entry;
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: dma_addr_t mapping;
fp@897: u32 status, len;
fp@897: u32 opts1;
fp@897: int ret = NETDEV_TX_OK;
fp@897:
fp@897: if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
fp@897: if (netif_msg_drv(tp)) {
fp@897: printk(KERN_ERR
fp@897: "%s: BUG! Tx Ring full when queue awake!\n",
fp@897: dev->name);
fp@897: }
fp@897: goto err_stop;
fp@897: }
fp@897:
fp@897: if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
fp@897: goto err_stop;
fp@897:
fp@897: opts1 = DescOwn | rtl8169_tso_csum(skb, dev);
fp@897:
fp@897: frags = rtl8169_xmit_frags(tp, skb, opts1);
fp@897: if (frags) {
fp@897: len = skb_headlen(skb);
fp@897: opts1 |= FirstFrag;
fp@897: } else {
fp@897: len = skb->len;
fp@897:
fp@897: if (unlikely(len < ETH_ZLEN)) {
fp@897: if (skb_padto(skb, ETH_ZLEN))
fp@897: goto err_update_stats;
fp@897: len = ETH_ZLEN;
fp@897: }
fp@897:
fp@897: opts1 |= FirstFrag | LastFrag;
fp@897: tp->tx_skb[entry].skb = skb;
fp@897: }
fp@897:
fp@897: mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE);
fp@897:
fp@897: tp->tx_skb[entry].len = len;
fp@897: txd->addr = cpu_to_le64(mapping);
fp@897: txd->opts2 = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
fp@897:
fp@897: wmb();
fp@897:
fp@897: /* anti gcc 2.95.3 bugware (sic) */
fp@897: status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
fp@897: txd->opts1 = cpu_to_le32(status);
fp@897:
fp@897: dev->trans_start = jiffies;
fp@897:
fp@897: tp->cur_tx += frags + 1;
fp@897:
fp@897: smp_wmb();
fp@897:
fp@897: RTL_W8(TxPoll, NPQ); /* set polling bit */
fp@897:
fp@897: if(!tp->ecdev) {
fp@897: if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
fp@897: netif_stop_queue(dev);
fp@897: smp_rmb();
fp@897: if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
fp@897: netif_wake_queue(dev);
fp@897: }
fp@897: }
fp@897:
fp@897: out:
fp@897: return ret;
fp@897:
fp@897: err_stop:
fp@897: if(!tp->ecdev) {
fp@897: netif_stop_queue(dev);
fp@897: }
fp@897: ret = NETDEV_TX_BUSY;
fp@897: err_update_stats:
fp@897: tp->stats.tx_dropped++;
fp@897: goto out;
fp@897: }
fp@897:
fp@897: static void rtl8169_pcierr_interrupt(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: struct pci_dev *pdev = tp->pci_dev;
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: u16 pci_status, pci_cmd;
fp@897:
fp@897: pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
fp@897: pci_read_config_word(pdev, PCI_STATUS, &pci_status);
fp@897:
fp@897: if (netif_msg_intr(tp)) {
fp@897: printk(KERN_ERR
fp@897: "%s: PCI error (cmd = 0x%04x, status = 0x%04x).\n",
fp@897: dev->name, pci_cmd, pci_status);
fp@897: }
fp@897:
fp@897: /*
fp@897: * The recovery sequence below admits a very elaborated explanation:
fp@897: * - it seems to work;
fp@897: * - I did not see what else could be done;
fp@897: * - it makes iop3xx happy.
fp@897: *
fp@897: * Feel free to adjust to your needs.
fp@897: */
fp@897: if (pdev->broken_parity_status)
fp@897: pci_cmd &= ~PCI_COMMAND_PARITY;
fp@897: else
fp@897: pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
fp@897:
fp@897: pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
fp@897:
fp@897: pci_write_config_word(pdev, PCI_STATUS,
fp@897: pci_status & (PCI_STATUS_DETECTED_PARITY |
fp@897: PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
fp@897: PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
fp@897:
fp@897: /* The infamous DAC f*ckup only happens at boot time */
fp@897: if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
fp@897: if (netif_msg_intr(tp))
fp@897: printk(KERN_INFO "%s: disabling PCI DAC.\n", dev->name);
fp@897: tp->cp_cmd &= ~PCIDAC;
fp@897: RTL_W16(CPlusCmd, tp->cp_cmd);
fp@897: dev->features &= ~NETIF_F_HIGHDMA;
fp@897: }
fp@897:
fp@897: rtl8169_hw_reset(ioaddr);
fp@897:
fp@897: rtl8169_schedule_work(dev, rtl8169_reinit_task);
fp@897: }
fp@897:
fp@897: static void rtl8169_tx_interrupt(struct net_device *dev,
fp@897: struct rtl8169_private *tp,
fp@897: void __iomem *ioaddr)
fp@897: {
fp@897: unsigned int dirty_tx, tx_left;
fp@897:
fp@897: dirty_tx = tp->dirty_tx;
fp@897: smp_rmb();
fp@897: tx_left = tp->cur_tx - dirty_tx;
fp@897:
fp@897: while (tx_left > 0) {
fp@897: unsigned int entry = dirty_tx % NUM_TX_DESC;
fp@897: struct ring_info *tx_skb = tp->tx_skb + entry;
fp@897: u32 len = tx_skb->len;
fp@897: u32 status;
fp@897:
fp@897: rmb();
fp@897: status = le32_to_cpu(tp->TxDescArray[entry].opts1);
fp@897: if (status & DescOwn)
fp@897: break;
fp@897:
fp@897: tp->stats.tx_bytes += len;
fp@897: tp->stats.tx_packets++;
fp@897:
fp@897: rtl8169_unmap_tx_skb(tp->pci_dev, tx_skb, tp->TxDescArray + entry);
fp@897:
fp@897: if (status & LastFrag) {
fp@897: if(!tp->ecdev) {
fp@897: dev_kfree_skb_irq(tx_skb->skb);
fp@897: tx_skb->skb = NULL;
fp@897: }
fp@897: }
fp@897: dirty_tx++;
fp@897: tx_left--;
fp@897: }
fp@897:
fp@897: if (tp->dirty_tx != dirty_tx) {
fp@897: tp->dirty_tx = dirty_tx;
fp@897: smp_wmb();
fp@897:
fp@897: if (!tp->ecdev) {
fp@897: if (netif_queue_stopped(dev) &&
fp@897: (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
fp@897: netif_wake_queue(dev);
fp@897: }
fp@897: }
fp@897: /*
fp@897: * 8168 hack: TxPoll requests are lost when the Tx packets are
fp@897: * too close. Let's kick an extra TxPoll request when a burst
fp@897: * of start_xmit activity is detected (if it is not detected,
fp@897: * it is slow enough). -- FR
fp@897: */
fp@897: smp_rmb();
fp@897: if (tp->cur_tx != dirty_tx)
fp@897: RTL_W8(TxPoll, NPQ);
fp@897: }
fp@897: }
fp@897:
fp@897: static inline int rtl8169_fragmented_frame(u32 status)
fp@897: {
fp@897: return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
fp@897: }
fp@897:
fp@897: static inline void rtl8169_rx_csum(struct sk_buff *skb, struct RxDesc *desc)
fp@897: {
fp@897: u32 opts1 = le32_to_cpu(desc->opts1);
fp@897: u32 status = opts1 & RxProtoMask;
fp@897:
fp@897: if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
fp@897: ((status == RxProtoUDP) && !(opts1 & UDPFail)) ||
fp@897: ((status == RxProtoIP) && !(opts1 & IPFail)))
fp@897: skb->ip_summed = CHECKSUM_UNNECESSARY;
fp@897: else
fp@897: skb->ip_summed = CHECKSUM_NONE;
fp@897: }
fp@897:
fp@897: static inline bool rtl8169_try_rx_copy(struct sk_buff **sk_buff,
fp@897: struct rtl8169_private *tp, int pkt_size,
fp@897: dma_addr_t addr)
fp@897: {
fp@897: struct sk_buff *skb;
fp@897: bool done = false;
fp@897:
fp@897: if (pkt_size >= rx_copybreak)
fp@897: goto out;
fp@897:
fp@897: skb = netdev_alloc_skb(tp->dev, pkt_size + NET_IP_ALIGN);
fp@897: if (!skb)
fp@897: goto out;
fp@897:
fp@897: pci_dma_sync_single_for_cpu(tp->pci_dev, addr, pkt_size,
fp@897: PCI_DMA_FROMDEVICE);
fp@897: skb_reserve(skb, NET_IP_ALIGN);
fp@897: skb_copy_from_linear_data(*sk_buff, skb->data, pkt_size);
fp@897: *sk_buff = skb;
fp@897: done = true;
fp@897: out:
fp@897: return done;
fp@897: }
fp@897:
fp@897: static int rtl8169_rx_interrupt(struct net_device *dev,
fp@897: struct rtl8169_private *tp,
fp@897: void __iomem *ioaddr)
fp@897: {
fp@897: unsigned int cur_rx, rx_left;
fp@897: unsigned int delta, count;
fp@897:
fp@897: cur_rx = tp->cur_rx;
fp@897: rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
fp@897: rx_left = rtl8169_rx_quota(rx_left, (u32) dev->quota);
fp@897:
fp@897: for (; rx_left > 0; rx_left--, cur_rx++) {
fp@897: unsigned int entry = cur_rx % NUM_RX_DESC;
fp@897: struct RxDesc *desc = tp->RxDescArray + entry;
fp@897: u32 status;
fp@897:
fp@897: rmb();
fp@897: status = le32_to_cpu(desc->opts1);
fp@897:
fp@897: if (status & DescOwn)
fp@897: break;
fp@897: if (unlikely(status & RxRES)) {
fp@897: if(!tp->ecdev) {
fp@897: if (netif_msg_rx_err(tp)) {
fp@897: printk(KERN_INFO
fp@897: "%s: Rx ERROR. status = %08x\n",
fp@897: dev->name, status);
fp@897: }
fp@897: }
fp@897: tp->stats.rx_errors++;
fp@897: if (status & (RxRWT | RxRUNT))
fp@897: tp->stats.rx_length_errors++;
fp@897: if (status & RxCRC)
fp@897: tp->stats.rx_crc_errors++;
fp@897: if (status & RxFOVF) {
fp@897: rtl8169_schedule_work(dev, rtl8169_reset_task);
fp@897: tp->stats.rx_fifo_errors++;
fp@897: }
fp@897: rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
fp@897: } else {
fp@897: struct sk_buff *skb = tp->Rx_skbuff[entry];
fp@897: dma_addr_t addr = le64_to_cpu(desc->addr);
fp@897: int pkt_size = (status & 0x00001FFF) - 4;
fp@897: struct pci_dev *pdev = tp->pci_dev;
fp@897:
fp@897: /*
fp@897: * The driver does not support incoming fragmented
fp@897: * frames. They are seen as a symptom of over-mtu
fp@897: * sized frames.
fp@897: */
fp@897: if (unlikely(rtl8169_fragmented_frame(status))) {
fp@897: tp->stats.rx_dropped++;
fp@897: tp->stats.rx_length_errors++;
fp@897: rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
fp@897: continue;
fp@897: }
fp@897:
fp@897: rtl8169_rx_csum(skb, desc);
fp@897:
fp@897: if (rtl8169_try_rx_copy(&skb, tp, pkt_size, addr)) {
fp@897: pci_dma_sync_single_for_device(pdev, addr,
fp@897: pkt_size, PCI_DMA_FROMDEVICE);
fp@897: rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
fp@897: } else {
fp@897: pci_unmap_single(pdev, addr, pkt_size,
fp@897: PCI_DMA_FROMDEVICE);
fp@897: tp->Rx_skbuff[entry] = NULL;
fp@897: }
fp@897:
fp@897:
fp@897: if (tp->ecdev) {
fp@897: ecdev_receive(tp->ecdev, skb->data, pkt_size);
fp@897: dev->last_rx = jiffies;
fp@897: tp->stats.rx_bytes += pkt_size;
fp@897: tp->stats.rx_packets++;
fp@897: }
fp@897: else {
fp@897:
fp@897: skb_put(skb, pkt_size);
fp@897: skb->protocol = eth_type_trans(skb, dev);
fp@897:
fp@897: if (rtl8169_rx_vlan_skb(tp, desc, skb) < 0)
fp@897: rtl8169_rx_skb(skb);
fp@897:
fp@897: dev->last_rx = jiffies;
fp@897: tp->stats.rx_bytes += pkt_size;
fp@897: tp->stats.rx_packets++;
fp@897: }
fp@897: }
fp@897:
fp@897: /* Work around for AMD plateform. */
fp@897: if ((desc->opts2 & 0xfffe000) &&
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
fp@897: desc->opts2 = 0;
fp@897: cur_rx++;
fp@897: }
fp@897: }
fp@897:
fp@897: count = cur_rx - tp->cur_rx;
fp@897: tp->cur_rx = cur_rx;
fp@897:
fp@897: delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx);
fp@897: if (!delta && count && netif_msg_intr(tp))
fp@897: printk(KERN_INFO "%s: no Rx buffer allocated\n", dev->name);
fp@897: tp->dirty_rx += delta;
fp@897:
fp@897: /*
fp@897: * FIXME: until there is periodic timer to try and refill the ring,
fp@897: * a temporary shortage may definitely kill the Rx process.
fp@897: * - disable the asic to try and avoid an overflow and kick it again
fp@897: * after refill ?
fp@897: * - how do others driver handle this condition (Uh oh...).
fp@897: */
fp@897: if ((tp->dirty_rx + NUM_RX_DESC == tp->cur_rx) && netif_msg_intr(tp))
fp@897: printk(KERN_EMERG "%s: Rx buffers exhausted\n", dev->name);
fp@897:
fp@897: return count;
fp@897: }
fp@897:
fp@897: static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
fp@897: {
fp@897: struct net_device *dev = dev_instance;
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: int boguscnt = max_interrupt_work;
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: int status;
fp@897: int handled = 0;
fp@897:
fp@897: do {
fp@897: if (tp->ecdev) {
fp@897: status = RTL_R16(IntrStatus);
fp@897: } else {
fp@897: status = RTL_R16(IntrStatus);
fp@897:
fp@897: /* hotplug/major error/no more work/shared irq */
fp@897: if ((status == 0xFFFF) || !status)
fp@897: break;
fp@897:
fp@897: handled = 1;
fp@897:
fp@897: if (unlikely(!netif_running(dev))) {
fp@897: rtl8169_asic_down(ioaddr);
fp@897: goto out;
fp@897: }
fp@897: status &= tp->intr_mask;
fp@897: RTL_W16(IntrStatus,
fp@897: (status & RxFIFOOver) ? (status | RxOverflow) : status);
fp@897:
fp@897: if (!(status & tp->intr_event))
fp@897: break;
fp@897:
fp@897: /* Work around for rx fifo overflow */
fp@897: if (unlikely(status & RxFIFOOver) &&
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
fp@897: netif_stop_queue(dev);
fp@897: rtl8169_tx_timeout(dev);
fp@897: break;
fp@897: }
fp@897:
fp@897: if (unlikely(status & SYSErr)) {
fp@897: rtl8169_pcierr_interrupt(dev);
fp@897: break;
fp@897: }
fp@897: }
fp@897:
fp@897:
fp@897: if (status & LinkChg)
fp@897: rtl8169_check_link_status(dev, tp, ioaddr);
fp@897:
fp@897: #ifdef CONFIG_R8169_NAPI
fp@897: if (status & tp->napi_event) {
fp@897: RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
fp@897: tp->intr_mask = ~tp->napi_event;
fp@897:
fp@897: if (likely(netif_rx_schedule_prep(dev)))
fp@897: __netif_rx_schedule(dev);
fp@897: else if (netif_msg_intr(tp)) {
fp@897: printk(KERN_INFO "%s: interrupt %04x in poll\n",
fp@897: dev->name, status);
fp@897: }
fp@897: }
fp@897: break;
fp@897: #else
fp@897: /* Rx interrupt */
fp@897: if (status & (RxOK | RxOverflow | RxFIFOOver))
fp@897: rtl8169_rx_interrupt(dev, tp, ioaddr);
fp@897:
fp@897: /* Tx interrupt */
fp@897: if (status & (TxOK | TxErr))
fp@897: rtl8169_tx_interrupt(dev, tp, ioaddr);
fp@897: #endif
fp@897:
fp@897: boguscnt--;
fp@897: } while (boguscnt > 0);
fp@897:
fp@897: if (!tp->ecdev) {
fp@897: if (boguscnt <= 0) {
fp@897: if (netif_msg_intr(tp) && net_ratelimit() ) {
fp@897: printk(KERN_WARNING
fp@897: "%s: Too much work at interrupt!\n", dev->name);
fp@897: }
fp@897: /* Clear all interrupt sources. */
fp@897: RTL_W16(IntrStatus, 0xffff);
fp@897: }
fp@897: }
fp@897: out:
fp@897: return IRQ_RETVAL(handled);
fp@897: }
fp@897:
fp@897: #ifdef CONFIG_R8169_NAPI
fp@897: static int rtl8169_poll(struct net_device *dev, int *budget)
fp@897: {
fp@897: unsigned int work_done, work_to_do = min(*budget, dev->quota);
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897:
fp@897: work_done = rtl8169_rx_interrupt(dev, tp, ioaddr);
fp@897: rtl8169_tx_interrupt(dev, tp, ioaddr);
fp@897:
fp@897: *budget -= work_done;
fp@897: dev->quota -= work_done;
fp@897:
fp@897: if (work_done < work_to_do) {
fp@897: if (!tp->ecdev) {
fp@897: netif_rx_complete(dev);
fp@897: }
fp@897: tp->intr_mask = 0xffff;
fp@897: /*
fp@897: * 20040426: the barrier is not strictly required but the
fp@897: * behavior of the irq handler could be less predictable
fp@897: * without it. Btw, the lack of flush for the posted pci
fp@897: * write is safe - FR
fp@897: */
fp@897: smp_wmb();
fp@897: if(!tp->ecdev) {
fp@897: RTL_W16(IntrMask, tp->intr_event);
fp@897: }
fp@897: }
fp@897:
fp@897: return (work_done >= work_to_do);
fp@897: }
fp@897: #endif
fp@897:
fp@897: static void rtl8169_down(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: unsigned int poll_locked = 0;
fp@897: unsigned int intrmask;
fp@897:
fp@897: rtl8169_delete_timer(dev);
fp@897:
fp@897:
fp@897: if (!tp->ecdev) {
fp@897: netif_stop_queue(dev);
fp@897: }
fp@897:
fp@897: core_down:
fp@897: spin_lock_irq(&tp->lock);
fp@897:
fp@897: rtl8169_asic_down(ioaddr);
fp@897:
fp@897: /* Update the error counts. */
fp@897: tp->stats.rx_missed_errors += RTL_R32(RxMissed);
fp@897: RTL_W32(RxMissed, 0);
fp@897:
fp@897: spin_unlock_irq(&tp->lock);
fp@897:
fp@897: synchronize_irq(dev->irq);
fp@897:
fp@897: if (!poll_locked) {
fp@897: if (!tp->ecdev) {
fp@897: netif_poll_disable(dev);
fp@897: }
fp@897: poll_locked++;
fp@897: }
fp@897:
fp@897: /* Give a racing hard_start_xmit a few cycles to complete. */
fp@897: synchronize_sched(); /* FIXME: should this be synchronize_irq()? */
fp@897:
fp@897: /*
fp@897: * And now for the 50k$ question: are IRQ disabled or not ?
fp@897: *
fp@897: * Two paths lead here:
fp@897: * 1) dev->close
fp@897: * -> netif_running() is available to sync the current code and the
fp@897: * IRQ handler. See rtl8169_interrupt for details.
fp@897: * 2) dev->change_mtu
fp@897: * -> rtl8169_poll can not be issued again and re-enable the
fp@897: * interruptions. Let's simply issue the IRQ down sequence again.
fp@897: *
fp@897: * No loop if hotpluged or major error (0xffff).
fp@897: */
fp@897: intrmask = RTL_R16(IntrMask);
fp@897: if (intrmask && (intrmask != 0xffff))
fp@897: goto core_down;
fp@897:
fp@897: rtl8169_tx_clear(tp);
fp@897:
fp@897: rtl8169_rx_clear(tp);
fp@897: }
fp@897:
fp@897: static int rtl8169_close(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: struct pci_dev *pdev = tp->pci_dev;
fp@897:
fp@897: rtl8169_down(dev);
fp@897:
fp@897: if (!tp->ecdev) {
fp@897: free_irq(dev->irq, dev);
fp@897: netif_poll_enable(dev);
fp@897: }
fp@897:
fp@897: pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray,
fp@897: tp->RxPhyAddr);
fp@897: pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray,
fp@897: tp->TxPhyAddr);
fp@897: tp->TxDescArray = NULL;
fp@897: tp->RxDescArray = NULL;
fp@897:
fp@897: return 0;
fp@897: }
fp@897:
fp@897: static void rtl_set_rx_mode(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: unsigned long flags;
fp@897: u32 mc_filter[2]; /* Multicast hash filter */
fp@897: int rx_mode;
fp@897: u32 tmp = 0;
fp@897:
fp@897: if (dev->flags & IFF_PROMISC) {
fp@897: /* Unconditionally log net taps. */
fp@897: if (!tp->ecdev) {
fp@897: if (netif_msg_link(tp)) {
fp@897: printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n",
fp@897: dev->name);
fp@897: }
fp@897: }
fp@897: rx_mode =
fp@897: AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
fp@897: AcceptAllPhys;
fp@897: mc_filter[1] = mc_filter[0] = 0xffffffff;
fp@897: } else if ((dev->mc_count > multicast_filter_limit)
fp@897: || (dev->flags & IFF_ALLMULTI)) {
fp@897: /* Too many to filter perfectly -- accept all multicasts. */
fp@897: rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
fp@897: mc_filter[1] = mc_filter[0] = 0xffffffff;
fp@897: } else {
fp@897: struct dev_mc_list *mclist;
fp@897: unsigned int i;
fp@897:
fp@897: rx_mode = AcceptBroadcast | AcceptMyPhys;
fp@897: mc_filter[1] = mc_filter[0] = 0;
fp@897: for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
fp@897: i++, mclist = mclist->next) {
fp@897: int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26;
fp@897: mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
fp@897: rx_mode |= AcceptMulticast;
fp@897: }
fp@897: }
fp@897:
fp@897: spin_lock_irqsave(&tp->lock, flags);
fp@897:
fp@897: tmp = rtl8169_rx_config | rx_mode |
fp@897: (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask);
fp@897:
fp@897: if ((tp->mac_version == RTL_GIGA_MAC_VER_11) ||
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_12) ||
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_13) ||
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_14) ||
fp@897: (tp->mac_version == RTL_GIGA_MAC_VER_15)) {
fp@897: mc_filter[0] = 0xffffffff;
fp@897: mc_filter[1] = 0xffffffff;
fp@897: }
fp@897:
fp@897: RTL_W32(MAR0 + 0, mc_filter[0]);
fp@897: RTL_W32(MAR0 + 4, mc_filter[1]);
fp@897:
fp@897: RTL_W32(RxConfig, tmp);
fp@897:
fp@897: spin_unlock_irqrestore(&tp->lock, flags);
fp@897: }
fp@897:
fp@897: /**
fp@897: * rtl8169_get_stats - Get rtl8169 read/write statistics
fp@897: * @dev: The Ethernet Device to get statistics for
fp@897: *
fp@897: * Get TX/RX statistics for rtl8169
fp@897: */
fp@897: static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
fp@897: {
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897: unsigned long flags;
fp@897:
fp@897: if (netif_running(dev)) {
fp@897: spin_lock_irqsave(&tp->lock, flags);
fp@897: tp->stats.rx_missed_errors += RTL_R32(RxMissed);
fp@897: RTL_W32(RxMissed, 0);
fp@897: spin_unlock_irqrestore(&tp->lock, flags);
fp@897: }
fp@897:
fp@897: return &tp->stats;
fp@897: }
fp@897:
fp@897: #ifdef CONFIG_PM
fp@897:
fp@897: static int rtl8169_suspend(struct pci_dev *pdev, pm_message_t state)
fp@897: {
fp@897: struct net_device *dev = pci_get_drvdata(pdev);
fp@897: struct rtl8169_private *tp = netdev_priv(dev);
fp@897: void __iomem *ioaddr = tp->mmio_addr;
fp@897:
fp@897: if (!netif_running(dev))
fp@897: goto out_pci_suspend;
fp@897:
fp@897: netif_device_detach(dev);
fp@897: netif_stop_queue(dev);
fp@897:
fp@897: spin_lock_irq(&tp->lock);
fp@897:
fp@897: rtl8169_asic_down(ioaddr);
fp@897:
fp@897: tp->stats.rx_missed_errors += RTL_R32(RxMissed);
fp@897: RTL_W32(RxMissed, 0);
fp@897:
fp@897: spin_unlock_irq(&tp->lock);
fp@897:
fp@897: out_pci_suspend:
fp@897: pci_save_state(pdev);
fp@897: pci_enable_wake(pdev, pci_choose_state(pdev, state), tp->wol_enabled);
fp@897: pci_set_power_state(pdev, pci_choose_state(pdev, state));
fp@897:
fp@897: return 0;
fp@897: }
fp@897:
fp@897: static int rtl8169_resume(struct pci_dev *pdev)
fp@897: {
fp@897: struct net_device *dev = pci_get_drvdata(pdev);
fp@897:
fp@897: pci_set_power_state(pdev, PCI_D0);
fp@897: pci_restore_state(pdev);
fp@897: pci_enable_wake(pdev, PCI_D0, 0);
fp@897:
fp@897: if (!netif_running(dev))
fp@897: goto out;
fp@897:
fp@897: netif_device_attach(dev);
fp@897:
fp@897: rtl8169_schedule_work(dev, rtl8169_reset_task);
fp@897: out:
fp@897: return 0;
fp@897: }
fp@897:
fp@897: #endif /* CONFIG_PM */
fp@897:
fp@897: static struct pci_driver rtl8169_pci_driver = {
fp@897: .name = MODULENAME,
fp@897: .id_table = rtl8169_pci_tbl,
fp@897: .probe = rtl8169_init_one,
fp@897: .remove = __devexit_p(rtl8169_remove_one),
fp@897: #ifdef CONFIG_PM
fp@897: .suspend = rtl8169_suspend,
fp@897: .resume = rtl8169_resume,
fp@897: #endif
fp@897: };
fp@897:
fp@897: static int __init rtl8169_init_module(void)
fp@897: {
fp@897: return pci_register_driver(&rtl8169_pci_driver);
fp@897: }
fp@897:
fp@897: static void __exit rtl8169_cleanup_module(void)
fp@897: {
fp@897: pci_unregister_driver(&rtl8169_pci_driver);
fp@897: }
fp@897:
fp@897: module_init(rtl8169_init_module);
fp@897: module_exit(rtl8169_cleanup_module);