ch1010832@1993: /****************************************************************************** ch1010832@1993: * ch1010832@1993: * $Id$ ch1010832@1993: * ch1010832@1993: * Copyright (C) 2006-2009 Florian Pose, Ingenieurgemeinschaft IgH ch1010832@1993: * ch1010832@1993: * This file is part of the IgH EtherCAT Master. ch1010832@1993: * ch1010832@1993: * The IgH EtherCAT Master is free software; you can redistribute it and/or ch1010832@1993: * modify it under the terms of the GNU General Public License version 2, as ch1010832@1993: * published by the Free Software Foundation. ch1010832@1993: * ch1010832@1993: * The IgH EtherCAT Master is distributed in the hope that it will be useful, ch1010832@1993: * but WITHOUT ANY WARRANTY; without even the implied warranty of ch1010832@1993: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General ch1010832@1993: * Public License for more details. ch1010832@1993: * ch1010832@1993: * You should have received a copy of the GNU General Public License along ch1010832@1993: * with the IgH EtherCAT Master; if not, write to the Free Software ch1010832@1993: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ch1010832@1993: * ch1010832@1993: * --- ch1010832@1993: * ch1010832@1993: * The license mentioned above concerns the source code only. Using the ch1010832@1993: * EtherCAT technology and brand is only permitted in compliance with the ch1010832@1993: * industrial property and similar rights of Beckhoff Automation GmbH. ch1010832@1993: * ch1010832@1993: *****************************************************************************/ ch1010832@1993: ch1010832@1993: /** ch1010832@1993: \file ch1010832@1993: EtherCAT driver for RTL8139-compatible NICs. ch1010832@1993: */ ch1010832@1993: ch1010832@1993: /*****************************************************************************/ ch1010832@1993: ch1010832@1993: /* ch1010832@1993: Former documentation: ch1010832@1993: ch1010832@1993: 8139too.c: A RealTek RTL-8139 Fast Ethernet driver for Linux. ch1010832@1993: ch1010832@1993: Maintained by Jeff Garzik ch1010832@1993: Copyright 2000-2002 Jeff Garzik ch1010832@1993: ch1010832@1993: Much code comes from Donald Becker's rtl8139.c driver, ch1010832@1993: versions 1.13 and older. This driver was originally based ch1010832@1993: on rtl8139.c version 1.07. Header of rtl8139.c version 1.13: ch1010832@1993: ch1010832@1993: ---------- ch1010832@1993: ch1010832@1993: Written 1997-2001 by Donald Becker. ch1010832@1993: This software may be used and distributed according to the ch1010832@1993: terms of the GNU General Public License (GPL), incorporated ch1010832@1993: herein by reference. Drivers based on or derived from this ch1010832@1993: code fall under the GPL and must retain the authorship, ch1010832@1993: copyright and license notice. This file is not a complete ch1010832@1993: program and may only be used when the entire operating ch1010832@1993: system is licensed under the GPL. ch1010832@1993: ch1010832@1993: This driver is for boards based on the RTL8129 and RTL8139 ch1010832@1993: PCI ethernet chips. ch1010832@1993: ch1010832@1993: The author may be reached as becker@scyld.com, or C/O Scyld ch1010832@1993: Computing Corporation 410 Severn Ave., Suite 210 Annapolis ch1010832@1993: MD 21403 ch1010832@1993: ch1010832@1993: Support and updates available at ch1010832@1993: http://www.scyld.com/network/rtl8139.html ch1010832@1993: ch1010832@1993: Twister-tuning table provided by Kinston ch1010832@1993: . ch1010832@1993: ch1010832@1993: ---------- ch1010832@1993: ch1010832@1993: This software may be used and distributed according to the terms ch1010832@1993: of the GNU General Public License, incorporated herein by reference. ch1010832@1993: ch1010832@1993: Contributors: ch1010832@1993: ch1010832@1993: Donald Becker - he wrote the original driver, kudos to him! ch1010832@1993: (but please don't e-mail him for support, this isn't his driver) ch1010832@1993: ch1010832@1993: Tigran Aivazian - bug fixes, skbuff free cleanup ch1010832@1993: ch1010832@1993: Martin Mares - suggestions for PCI cleanup ch1010832@1993: ch1010832@1993: David S. Miller - PCI DMA and softnet updates ch1010832@1993: ch1010832@1993: Ernst Gill - fixes ported from BSD driver ch1010832@1993: ch1010832@1993: Daniel Kobras - identified specific locations of ch1010832@1993: posted MMIO write bugginess ch1010832@1993: ch1010832@1993: Gerard Sharp - bug fix, testing and feedback ch1010832@1993: ch1010832@1993: David Ford - Rx ring wrap fix ch1010832@1993: ch1010832@1993: Dan DeMaggio - swapped RTL8139 cards with me, and allowed me ch1010832@1993: to find and fix a crucial bug on older chipsets. ch1010832@1993: ch1010832@1993: Donald Becker/Chris Butterworth/Marcus Westergren - ch1010832@1993: Noticed various Rx packet size-related buglets. ch1010832@1993: ch1010832@1993: Santiago Garcia Mantinan - testing and feedback ch1010832@1993: ch1010832@1993: Jens David - 2.2.x kernel backports ch1010832@1993: ch1010832@1993: Martin Dennett - incredibly helpful insight on undocumented ch1010832@1993: features of the 8139 chips ch1010832@1993: ch1010832@1993: Jean-Jacques Michel - bug fix ch1010832@1993: ch1010832@1993: Tobias Ringström - Rx interrupt status checking suggestion ch1010832@1993: ch1010832@1993: Andrew Morton - Clear blocked signals, avoid ch1010832@1993: buffer overrun setting current->comm. ch1010832@1993: ch1010832@1993: Kalle Olavi Niemitalo - Wake-on-LAN ioctls ch1010832@1993: ch1010832@1993: Robert Kuebel - Save kernel thread from dying on any signal. ch1010832@1993: ch1010832@1993: Submitting bug reports: ch1010832@1993: ch1010832@1993: "rtl8139-diag -mmmaaavvveefN" output ch1010832@1993: enable RTL8139_DEBUG below, and look at 'dmesg' or kernel log ch1010832@1993: ch1010832@1993: */ ch1010832@1993: ch1010832@1993: #define DRV_NAME "ec_8139too" ch1010832@1993: #define DRV_VERSION "0.9.28" ch1010832@1993: ch1010832@1993: ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: #include ch1010832@1993: ch1010832@1993: #include "../globals.h" ch1010832@1993: #include "ecdev.h" ch1010832@1993: ch1010832@1993: #define RTL8139_DRIVER_NAME DRV_NAME \ ch1010832@1993: " EtherCAT-capable Fast Ethernet driver " \ ch1010832@1993: DRV_VERSION ", master " EC_MASTER_VERSION ch1010832@1993: ch1010832@1993: #define PFX DRV_NAME ": " ch1010832@1993: ch1010832@1993: /* Default Message level */ ch1010832@1993: #define RTL8139_DEF_MSG_ENABLE (NETIF_MSG_DRV | \ ch1010832@1993: NETIF_MSG_PROBE | \ ch1010832@1993: NETIF_MSG_LINK) ch1010832@1993: ch1010832@1993: ch1010832@1993: /* define to 1, 2 or 3 to enable copious debugging info */ ch1010832@1993: #define RTL8139_DEBUG 0 ch1010832@1993: ch1010832@1993: /* define to 1 to disable lightweight runtime debugging checks */ ch1010832@1993: #undef RTL8139_NDEBUG ch1010832@1993: ch1010832@1993: ch1010832@1993: #ifdef RTL8139_NDEBUG ch1010832@1993: # define assert(expr) do {} while (0) ch1010832@1993: #else ch1010832@1993: # define assert(expr) \ ch1010832@1993: if(unlikely(!(expr))) { \ ch1010832@1993: pr_err("Assertion failed! %s,%s,%s,line=%d\n", \ ch1010832@1993: #expr, __FILE__, __func__, __LINE__); \ ch1010832@1993: } ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: ch1010832@1993: /* A few user-configurable values. */ ch1010832@1993: /* media options */ ch1010832@1993: #define MAX_UNITS 8 ch1010832@1993: static int media[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1}; ch1010832@1993: static int full_duplex[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1}; ch1010832@1993: ch1010832@1993: /* Whether to use MMIO or PIO. Default to MMIO. */ ch1010832@1993: #ifdef CONFIG_8139TOO_PIO ch1010832@1993: static int use_io = 1; ch1010832@1993: #else ch1010832@1993: static int use_io = 0; ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). ch1010832@1993: The RTL chips use a 64 element hash table based on the Ethernet CRC. */ ch1010832@1993: static int multicast_filter_limit = 32; ch1010832@1993: ch1010832@1993: /* bitmapped message enable number */ ch1010832@1993: static int debug = -1; ch1010832@1993: ch1010832@1993: /* ch1010832@1993: * Receive ring size ch1010832@1993: * Warning: 64K ring has hardware issues and may lock up. ch1010832@1993: */ ch1010832@1993: #if defined(CONFIG_SH_DREAMCAST) ch1010832@1993: #define RX_BUF_IDX 0 /* 8K ring */ ch1010832@1993: #else ch1010832@1993: #define RX_BUF_IDX 2 /* 32K ring */ ch1010832@1993: #endif ch1010832@1993: #define RX_BUF_LEN (8192 << RX_BUF_IDX) ch1010832@1993: #define RX_BUF_PAD 16 ch1010832@1993: #define RX_BUF_WRAP_PAD 2048 /* spare padding to handle lack of packet wrap */ ch1010832@1993: ch1010832@1993: #if RX_BUF_LEN == 65536 ch1010832@1993: #define RX_BUF_TOT_LEN RX_BUF_LEN ch1010832@1993: #else ch1010832@1993: #define RX_BUF_TOT_LEN (RX_BUF_LEN + RX_BUF_PAD + RX_BUF_WRAP_PAD) ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: /* Number of Tx descriptor registers. */ ch1010832@1993: #define NUM_TX_DESC 4 ch1010832@1993: ch1010832@1993: /* max supported ethernet frame size -- must be at least (dev->mtu+14+4).*/ ch1010832@1993: #define MAX_ETH_FRAME_SIZE 1536 ch1010832@1993: ch1010832@1993: /* Size of the Tx bounce buffers -- must be at least (dev->mtu+14+4). */ ch1010832@1993: #define TX_BUF_SIZE MAX_ETH_FRAME_SIZE ch1010832@1993: #define TX_BUF_TOT_LEN (TX_BUF_SIZE * NUM_TX_DESC) ch1010832@1993: ch1010832@1993: /* PCI Tuning Parameters ch1010832@1993: Threshold is bytes transferred to chip before transmission starts. */ ch1010832@1993: #define TX_FIFO_THRESH 256 /* In bytes, rounded down to 32 byte units. */ ch1010832@1993: ch1010832@1993: /* The following settings are log_2(bytes)-4: 0 == 16 bytes .. 6==1024, 7==end of packet. */ ch1010832@1993: #define RX_FIFO_THRESH 7 /* Rx buffer level before first PCI xfer. */ ch1010832@1993: #define RX_DMA_BURST 7 /* Maximum PCI burst, '6' is 1024 */ ch1010832@1993: #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ ch1010832@1993: #define TX_RETRY 8 /* 0-15. retries = 16 + (TX_RETRY * 16) */ ch1010832@1993: ch1010832@1993: /* Operational parameters that usually are not changed. */ ch1010832@1993: /* Time in jiffies before concluding the transmitter is hung. */ ch1010832@1993: #define TX_TIMEOUT (6*HZ) ch1010832@1993: ch1010832@1993: ch1010832@1993: enum { ch1010832@1993: HAS_MII_XCVR = 0x010000, ch1010832@1993: HAS_CHIP_XCVR = 0x020000, ch1010832@1993: HAS_LNK_CHNG = 0x040000, ch1010832@1993: }; ch1010832@1993: ch1010832@1993: #define RTL_NUM_STATS 4 /* number of ETHTOOL_GSTATS u64's */ ch1010832@1993: #define RTL_REGS_VER 1 /* version of reg. data in ETHTOOL_GREGS */ ch1010832@1993: #define RTL_MIN_IO_SIZE 0x80 ch1010832@1993: #define RTL8139B_IO_SIZE 256 ch1010832@1993: ch1010832@1993: #define RTL8129_CAPS HAS_MII_XCVR ch1010832@1993: #define RTL8139_CAPS (HAS_CHIP_XCVR|HAS_LNK_CHNG) ch1010832@1993: ch1010832@1993: typedef enum { ch1010832@1993: RTL8139 = 0, ch1010832@1993: RTL8129, ch1010832@1993: } board_t; ch1010832@1993: ch1010832@1993: ch1010832@1993: /* indexed by board_t, above */ ch1010832@1993: static const struct { ch1010832@1993: const char *name; ch1010832@1993: u32 hw_flags; ch1010832@1993: } board_info[] __devinitdata = { ch1010832@1993: { "RealTek RTL8139", RTL8139_CAPS }, ch1010832@1993: { "RealTek RTL8129", RTL8129_CAPS }, ch1010832@1993: }; ch1010832@1993: ch1010832@1993: ch1010832@1993: static struct pci_device_id rtl8139_pci_tbl[] = { ch1010832@1993: {0x10ec, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x10ec, 0x8138, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x1113, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x1500, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x4033, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x1186, 0x1300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x1186, 0x1340, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x13d1, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x1259, 0xa117, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x1259, 0xa11e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x14ea, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x14ea, 0xab07, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x11db, 0x1234, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x1432, 0x9130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x02ac, 0x1012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x018a, 0x0106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x126c, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x1743, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: {0x021b, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: ch1010832@1993: #ifdef CONFIG_SH_SECUREEDGE5410 ch1010832@1993: /* Bogus 8139 silicon reports 8129 without external PROM :-( */ ch1010832@1993: {0x10ec, 0x8129, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, ch1010832@1993: #endif ch1010832@1993: #ifdef CONFIG_8139TOO_8129 ch1010832@1993: {0x10ec, 0x8129, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8129 }, ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: /* some crazy cards report invalid vendor ids like ch1010832@1993: * 0x0001 here. The other ids are valid and constant, ch1010832@1993: * so we simply don't match on the main vendor id. ch1010832@1993: */ ch1010832@1993: {PCI_ANY_ID, 0x8139, 0x10ec, 0x8139, 0, 0, RTL8139 }, ch1010832@1993: {PCI_ANY_ID, 0x8139, 0x1186, 0x1300, 0, 0, RTL8139 }, ch1010832@1993: {PCI_ANY_ID, 0x8139, 0x13d1, 0xab06, 0, 0, RTL8139 }, ch1010832@1993: ch1010832@1993: {0,} ch1010832@1993: }; ch1010832@1993: ch1010832@1993: /* prevent driver from being loaded automatically */ ch1010832@1993: //MODULE_DEVICE_TABLE (pci, rtl8139_pci_tbl); ch1010832@1993: ch1010832@1993: static struct { ch1010832@1993: const char str[ETH_GSTRING_LEN]; ch1010832@1993: } ethtool_stats_keys[] = { ch1010832@1993: { "early_rx" }, ch1010832@1993: { "tx_buf_mapped" }, ch1010832@1993: { "tx_timeouts" }, ch1010832@1993: { "rx_lost_in_ring" }, ch1010832@1993: }; ch1010832@1993: ch1010832@1993: /* The rest of these values should never change. */ ch1010832@1993: ch1010832@1993: /* Symbolic offsets to registers. */ ch1010832@1993: enum RTL8139_registers { ch1010832@1993: MAC0 = 0, /* Ethernet hardware address. */ ch1010832@1993: MAR0 = 8, /* Multicast filter. */ ch1010832@1993: TxStatus0 = 0x10, /* Transmit status (Four 32bit registers). */ ch1010832@1993: TxAddr0 = 0x20, /* Tx descriptors (also four 32bit). */ ch1010832@1993: RxBuf = 0x30, ch1010832@1993: ChipCmd = 0x37, ch1010832@1993: RxBufPtr = 0x38, ch1010832@1993: RxBufAddr = 0x3A, ch1010832@1993: IntrMask = 0x3C, ch1010832@1993: IntrStatus = 0x3E, ch1010832@1993: TxConfig = 0x40, ch1010832@1993: RxConfig = 0x44, ch1010832@1993: Timer = 0x48, /* A general-purpose counter. */ ch1010832@1993: RxMissed = 0x4C, /* 24 bits valid, write clears. */ ch1010832@1993: Cfg9346 = 0x50, ch1010832@1993: Config0 = 0x51, ch1010832@1993: Config1 = 0x52, ch1010832@1993: TimerInt = 0x54, ch1010832@1993: MediaStatus = 0x58, ch1010832@1993: Config3 = 0x59, ch1010832@1993: Config4 = 0x5A, /* absent on RTL-8139A */ ch1010832@1993: HltClk = 0x5B, ch1010832@1993: MultiIntr = 0x5C, ch1010832@1993: TxSummary = 0x60, ch1010832@1993: BasicModeCtrl = 0x62, ch1010832@1993: BasicModeStatus = 0x64, ch1010832@1993: NWayAdvert = 0x66, ch1010832@1993: NWayLPAR = 0x68, ch1010832@1993: NWayExpansion = 0x6A, ch1010832@1993: /* Undocumented registers, but required for proper operation. */ ch1010832@1993: FIFOTMS = 0x70, /* FIFO Control and test. */ ch1010832@1993: CSCR = 0x74, /* Chip Status and Configuration Register. */ ch1010832@1993: PARA78 = 0x78, ch1010832@1993: FlashReg = 0xD4, /* Communication with Flash ROM, four bytes. */ ch1010832@1993: PARA7c = 0x7c, /* Magic transceiver parameter register. */ ch1010832@1993: Config5 = 0xD8, /* absent on RTL-8139A */ ch1010832@1993: }; ch1010832@1993: ch1010832@1993: enum ClearBitMasks { ch1010832@1993: MultiIntrClear = 0xF000, ch1010832@1993: ChipCmdClear = 0xE2, ch1010832@1993: Config1Clear = (1<<7)|(1<<6)|(1<<3)|(1<<2)|(1<<1), ch1010832@1993: }; ch1010832@1993: ch1010832@1993: enum ChipCmdBits { ch1010832@1993: CmdReset = 0x10, ch1010832@1993: CmdRxEnb = 0x08, ch1010832@1993: CmdTxEnb = 0x04, ch1010832@1993: RxBufEmpty = 0x01, ch1010832@1993: }; ch1010832@1993: ch1010832@1993: /* Interrupt register bits, using my own meaningful names. */ ch1010832@1993: enum IntrStatusBits { ch1010832@1993: PCIErr = 0x8000, ch1010832@1993: PCSTimeout = 0x4000, ch1010832@1993: RxFIFOOver = 0x40, ch1010832@1993: RxUnderrun = 0x20, ch1010832@1993: RxOverflow = 0x10, ch1010832@1993: TxErr = 0x08, ch1010832@1993: TxOK = 0x04, ch1010832@1993: RxErr = 0x02, ch1010832@1993: RxOK = 0x01, ch1010832@1993: ch1010832@1993: RxAckBits = RxFIFOOver | RxOverflow | RxOK, ch1010832@1993: }; ch1010832@1993: ch1010832@1993: enum TxStatusBits { ch1010832@1993: TxHostOwns = 0x2000, ch1010832@1993: TxUnderrun = 0x4000, ch1010832@1993: TxStatOK = 0x8000, ch1010832@1993: TxOutOfWindow = 0x20000000, ch1010832@1993: TxAborted = 0x40000000, ch1010832@1993: TxCarrierLost = 0x80000000, ch1010832@1993: }; ch1010832@1993: enum RxStatusBits { ch1010832@1993: RxMulticast = 0x8000, ch1010832@1993: RxPhysical = 0x4000, ch1010832@1993: RxBroadcast = 0x2000, ch1010832@1993: RxBadSymbol = 0x0020, ch1010832@1993: RxRunt = 0x0010, ch1010832@1993: RxTooLong = 0x0008, ch1010832@1993: RxCRCErr = 0x0004, ch1010832@1993: RxBadAlign = 0x0002, ch1010832@1993: RxStatusOK = 0x0001, ch1010832@1993: }; ch1010832@1993: ch1010832@1993: /* Bits in RxConfig. */ ch1010832@1993: enum rx_mode_bits { ch1010832@1993: AcceptErr = 0x20, ch1010832@1993: AcceptRunt = 0x10, ch1010832@1993: AcceptBroadcast = 0x08, ch1010832@1993: AcceptMulticast = 0x04, ch1010832@1993: AcceptMyPhys = 0x02, ch1010832@1993: AcceptAllPhys = 0x01, ch1010832@1993: }; ch1010832@1993: ch1010832@1993: /* Bits in TxConfig. */ ch1010832@1993: enum tx_config_bits { ch1010832@1993: /* Interframe Gap Time. Only TxIFG96 doesn't violate IEEE 802.3 */ ch1010832@1993: TxIFGShift = 24, ch1010832@1993: TxIFG84 = (0 << TxIFGShift), /* 8.4us / 840ns (10 / 100Mbps) */ ch1010832@1993: TxIFG88 = (1 << TxIFGShift), /* 8.8us / 880ns (10 / 100Mbps) */ ch1010832@1993: TxIFG92 = (2 << TxIFGShift), /* 9.2us / 920ns (10 / 100Mbps) */ ch1010832@1993: TxIFG96 = (3 << TxIFGShift), /* 9.6us / 960ns (10 / 100Mbps) */ ch1010832@1993: ch1010832@1993: TxLoopBack = (1 << 18) | (1 << 17), /* enable loopback test mode */ ch1010832@1993: TxCRC = (1 << 16), /* DISABLE Tx pkt CRC append */ ch1010832@1993: TxClearAbt = (1 << 0), /* Clear abort (WO) */ ch1010832@1993: TxDMAShift = 8, /* DMA burst value (0-7) is shifted X many bits */ ch1010832@1993: TxRetryShift = 4, /* TXRR value (0-15) is shifted X many bits */ ch1010832@1993: ch1010832@1993: TxVersionMask = 0x7C800000, /* mask out version bits 30-26, 23 */ ch1010832@1993: }; ch1010832@1993: ch1010832@1993: /* Bits in Config1 */ ch1010832@1993: enum Config1Bits { ch1010832@1993: Cfg1_PM_Enable = 0x01, ch1010832@1993: Cfg1_VPD_Enable = 0x02, ch1010832@1993: Cfg1_PIO = 0x04, ch1010832@1993: Cfg1_MMIO = 0x08, ch1010832@1993: LWAKE = 0x10, /* not on 8139, 8139A */ ch1010832@1993: Cfg1_Driver_Load = 0x20, ch1010832@1993: Cfg1_LED0 = 0x40, ch1010832@1993: Cfg1_LED1 = 0x80, ch1010832@1993: SLEEP = (1 << 1), /* only on 8139, 8139A */ ch1010832@1993: PWRDN = (1 << 0), /* only on 8139, 8139A */ ch1010832@1993: }; ch1010832@1993: ch1010832@1993: /* Bits in Config3 */ ch1010832@1993: enum Config3Bits { ch1010832@1993: Cfg3_FBtBEn = (1 << 0), /* 1 = Fast Back to Back */ ch1010832@1993: Cfg3_FuncRegEn = (1 << 1), /* 1 = enable CardBus Function registers */ ch1010832@1993: Cfg3_CLKRUN_En = (1 << 2), /* 1 = enable CLKRUN */ ch1010832@1993: Cfg3_CardB_En = (1 << 3), /* 1 = enable CardBus registers */ ch1010832@1993: Cfg3_LinkUp = (1 << 4), /* 1 = wake up on link up */ ch1010832@1993: Cfg3_Magic = (1 << 5), /* 1 = wake up on Magic Packet (tm) */ ch1010832@1993: Cfg3_PARM_En = (1 << 6), /* 0 = software can set twister parameters */ ch1010832@1993: Cfg3_GNTSel = (1 << 7), /* 1 = delay 1 clock from PCI GNT signal */ ch1010832@1993: }; ch1010832@1993: ch1010832@1993: /* Bits in Config4 */ ch1010832@1993: enum Config4Bits { ch1010832@1993: LWPTN = (1 << 2), /* not on 8139, 8139A */ ch1010832@1993: }; ch1010832@1993: ch1010832@1993: /* Bits in Config5 */ ch1010832@1993: enum Config5Bits { ch1010832@1993: Cfg5_PME_STS = (1 << 0), /* 1 = PCI reset resets PME_Status */ ch1010832@1993: Cfg5_LANWake = (1 << 1), /* 1 = enable LANWake signal */ ch1010832@1993: Cfg5_LDPS = (1 << 2), /* 0 = save power when link is down */ ch1010832@1993: Cfg5_FIFOAddrPtr= (1 << 3), /* Realtek internal SRAM testing */ ch1010832@1993: Cfg5_UWF = (1 << 4), /* 1 = accept unicast wakeup frame */ ch1010832@1993: Cfg5_MWF = (1 << 5), /* 1 = accept multicast wakeup frame */ ch1010832@1993: Cfg5_BWF = (1 << 6), /* 1 = accept broadcast wakeup frame */ ch1010832@1993: }; ch1010832@1993: ch1010832@1993: enum RxConfigBits { ch1010832@1993: /* rx fifo threshold */ ch1010832@1993: RxCfgFIFOShift = 13, ch1010832@1993: RxCfgFIFONone = (7 << RxCfgFIFOShift), ch1010832@1993: ch1010832@1993: /* Max DMA burst */ ch1010832@1993: RxCfgDMAShift = 8, ch1010832@1993: RxCfgDMAUnlimited = (7 << RxCfgDMAShift), ch1010832@1993: ch1010832@1993: /* rx ring buffer length */ ch1010832@1993: RxCfgRcv8K = 0, ch1010832@1993: RxCfgRcv16K = (1 << 11), ch1010832@1993: RxCfgRcv32K = (1 << 12), ch1010832@1993: RxCfgRcv64K = (1 << 11) | (1 << 12), ch1010832@1993: ch1010832@1993: /* Disable packet wrap at end of Rx buffer. (not possible with 64k) */ ch1010832@1993: RxNoWrap = (1 << 7), ch1010832@1993: }; ch1010832@1993: ch1010832@1993: /* Twister tuning parameters from RealTek. ch1010832@1993: Completely undocumented, but required to tune bad links on some boards. */ ch1010832@1993: enum CSCRBits { ch1010832@1993: CSCR_LinkOKBit = 0x0400, ch1010832@1993: CSCR_LinkChangeBit = 0x0800, ch1010832@1993: CSCR_LinkStatusBits = 0x0f000, ch1010832@1993: CSCR_LinkDownOffCmd = 0x003c0, ch1010832@1993: CSCR_LinkDownCmd = 0x0f3c0, ch1010832@1993: }; ch1010832@1993: ch1010832@1993: enum Cfg9346Bits { ch1010832@1993: Cfg9346_Lock = 0x00, ch1010832@1993: Cfg9346_Unlock = 0xC0, ch1010832@1993: }; ch1010832@1993: ch1010832@1993: typedef enum { ch1010832@1993: CH_8139 = 0, ch1010832@1993: CH_8139_K, ch1010832@1993: CH_8139A, ch1010832@1993: CH_8139A_G, ch1010832@1993: CH_8139B, ch1010832@1993: CH_8130, ch1010832@1993: CH_8139C, ch1010832@1993: CH_8100, ch1010832@1993: CH_8100B_8139D, ch1010832@1993: CH_8101, ch1010832@1993: } chip_t; ch1010832@1993: ch1010832@1993: enum chip_flags { ch1010832@1993: HasHltClk = (1 << 0), ch1010832@1993: HasLWake = (1 << 1), ch1010832@1993: }; ch1010832@1993: ch1010832@1993: #define HW_REVID(b30, b29, b28, b27, b26, b23, b22) \ ch1010832@1993: (b30<<30 | b29<<29 | b28<<28 | b27<<27 | b26<<26 | b23<<23 | b22<<22) ch1010832@1993: #define HW_REVID_MASK HW_REVID(1, 1, 1, 1, 1, 1, 1) ch1010832@1993: ch1010832@1993: /* directly indexed by chip_t, above */ ch1010832@1993: static const struct { ch1010832@1993: const char *name; ch1010832@1993: u32 version; /* from RTL8139C/RTL8139D docs */ ch1010832@1993: u32 flags; ch1010832@1993: } rtl_chip_info[] = { ch1010832@1993: { "RTL-8139", ch1010832@1993: HW_REVID(1, 0, 0, 0, 0, 0, 0), ch1010832@1993: HasHltClk, ch1010832@1993: }, ch1010832@1993: ch1010832@1993: { "RTL-8139 rev K", ch1010832@1993: HW_REVID(1, 1, 0, 0, 0, 0, 0), ch1010832@1993: HasHltClk, ch1010832@1993: }, ch1010832@1993: ch1010832@1993: { "RTL-8139A", ch1010832@1993: HW_REVID(1, 1, 1, 0, 0, 0, 0), ch1010832@1993: HasHltClk, /* XXX undocumented? */ ch1010832@1993: }, ch1010832@1993: ch1010832@1993: { "RTL-8139A rev G", ch1010832@1993: HW_REVID(1, 1, 1, 0, 0, 1, 0), ch1010832@1993: HasHltClk, /* XXX undocumented? */ ch1010832@1993: }, ch1010832@1993: ch1010832@1993: { "RTL-8139B", ch1010832@1993: HW_REVID(1, 1, 1, 1, 0, 0, 0), ch1010832@1993: HasLWake, ch1010832@1993: }, ch1010832@1993: ch1010832@1993: { "RTL-8130", ch1010832@1993: HW_REVID(1, 1, 1, 1, 1, 0, 0), ch1010832@1993: HasLWake, ch1010832@1993: }, ch1010832@1993: ch1010832@1993: { "RTL-8139C", ch1010832@1993: HW_REVID(1, 1, 1, 0, 1, 0, 0), ch1010832@1993: HasLWake, ch1010832@1993: }, ch1010832@1993: ch1010832@1993: { "RTL-8100", ch1010832@1993: HW_REVID(1, 1, 1, 1, 0, 1, 0), ch1010832@1993: HasLWake, ch1010832@1993: }, ch1010832@1993: ch1010832@1993: { "RTL-8100B/8139D", ch1010832@1993: HW_REVID(1, 1, 1, 0, 1, 0, 1), ch1010832@1993: HasHltClk /* XXX undocumented? */ ch1010832@1993: | HasLWake, ch1010832@1993: }, ch1010832@1993: ch1010832@1993: { "RTL-8101", ch1010832@1993: HW_REVID(1, 1, 1, 0, 1, 1, 1), ch1010832@1993: HasLWake, ch1010832@1993: }, ch1010832@1993: }; ch1010832@1993: ch1010832@1993: struct rtl_extra_stats { ch1010832@1993: unsigned long early_rx; ch1010832@1993: unsigned long tx_buf_mapped; ch1010832@1993: unsigned long tx_timeouts; ch1010832@1993: unsigned long rx_lost_in_ring; ch1010832@1993: }; ch1010832@1993: ch1010832@1993: struct rtl8139_private { ch1010832@1993: void __iomem *mmio_addr; ch1010832@1993: int drv_flags; ch1010832@1993: struct pci_dev *pci_dev; ch1010832@1993: u32 msg_enable; ch1010832@1993: struct napi_struct napi; ch1010832@1993: struct net_device *dev; ch1010832@1993: ch1010832@1993: unsigned char *rx_ring; ch1010832@1993: unsigned int cur_rx; /* RX buf index of next pkt */ ch1010832@1993: dma_addr_t rx_ring_dma; ch1010832@1993: ch1010832@1993: unsigned int tx_flag; ch1010832@1993: unsigned long cur_tx; ch1010832@1993: unsigned long dirty_tx; ch1010832@1993: unsigned char *tx_buf[NUM_TX_DESC]; /* Tx bounce buffers */ ch1010832@1993: unsigned char *tx_bufs; /* Tx bounce buffer region. */ ch1010832@1993: dma_addr_t tx_bufs_dma; ch1010832@1993: ch1010832@1993: signed char phys[4]; /* MII device addresses. */ ch1010832@1993: ch1010832@1993: /* Twister tune state. */ ch1010832@1993: char twistie, twist_row, twist_col; ch1010832@1993: ch1010832@1993: unsigned int watchdog_fired : 1; ch1010832@1993: unsigned int default_port : 4; /* Last dev->if_port value. */ ch1010832@1993: unsigned int have_thread : 1; ch1010832@1993: ch1010832@1993: spinlock_t lock; ch1010832@1993: spinlock_t rx_lock; ch1010832@1993: ch1010832@1993: chip_t chipset; ch1010832@1993: u32 rx_config; ch1010832@1993: struct rtl_extra_stats xstats; ch1010832@1993: ch1010832@1993: struct delayed_work thread; ch1010832@1993: ch1010832@1993: struct mii_if_info mii; ch1010832@1993: unsigned int regs_len; ch1010832@1993: unsigned long fifo_copy_timeout; ch1010832@1993: ch1010832@1993: ec_device_t *ecdev; ch1010832@1993: }; ch1010832@1993: ch1010832@1993: MODULE_AUTHOR("Florian Pose "); ch1010832@1993: MODULE_DESCRIPTION("RealTek RTL-8139 EtherCAT driver"); ch1010832@1993: MODULE_LICENSE("GPL"); ch1010832@1993: MODULE_VERSION(EC_MASTER_VERSION); ch1010832@1993: ch1010832@1993: module_param(use_io, int, 0); ch1010832@1993: MODULE_PARM_DESC(use_io, "Force use of I/O access mode. 0=MMIO 1=PIO"); ch1010832@1993: module_param(multicast_filter_limit, int, 0); ch1010832@1993: module_param_array(media, int, NULL, 0); ch1010832@1993: module_param_array(full_duplex, int, NULL, 0); ch1010832@1993: module_param(debug, int, 0); ch1010832@1993: MODULE_PARM_DESC (debug, "8139too bitmapped message enable number"); ch1010832@1993: MODULE_PARM_DESC (multicast_filter_limit, "8139too maximum number of filtered multicast addresses"); ch1010832@1993: MODULE_PARM_DESC (media, "8139too: Bits 4+9: force full duplex, bit 5: 100Mbps"); ch1010832@1993: MODULE_PARM_DESC (full_duplex, "8139too: Force full duplex for board(s) (1)"); ch1010832@1993: ch1010832@1993: void ec_poll(struct net_device *); ch1010832@1993: ch1010832@1993: static int read_eeprom (void __iomem *ioaddr, int location, int addr_len); ch1010832@1993: static int rtl8139_open (struct net_device *dev); ch1010832@1993: static int mdio_read (struct net_device *dev, int phy_id, int location); ch1010832@1993: static void mdio_write (struct net_device *dev, int phy_id, int location, ch1010832@1993: int val); ch1010832@1993: static void rtl8139_start_thread(struct rtl8139_private *tp); ch1010832@1993: static void rtl8139_tx_timeout (struct net_device *dev); ch1010832@1993: static void rtl8139_init_ring (struct net_device *dev); ch1010832@1993: static netdev_tx_t rtl8139_start_xmit (struct sk_buff *skb, ch1010832@1993: struct net_device *dev); ch1010832@1993: #ifdef CONFIG_NET_POLL_CONTROLLER ch1010832@1993: static void rtl8139_poll_controller(struct net_device *dev); ch1010832@1993: #endif ch1010832@1993: static int rtl8139_set_mac_address(struct net_device *dev, void *p); ch1010832@1993: static int rtl8139_poll(struct napi_struct *napi, int budget); ch1010832@1993: static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance); ch1010832@1993: static int rtl8139_close (struct net_device *dev); ch1010832@1993: static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd); ch1010832@1993: static struct net_device_stats *rtl8139_get_stats (struct net_device *dev); ch1010832@1993: static void rtl8139_set_rx_mode (struct net_device *dev); ch1010832@1993: static void __set_rx_mode (struct net_device *dev); ch1010832@1993: static void rtl8139_hw_start (struct net_device *dev); ch1010832@1993: static void rtl8139_thread (struct work_struct *work); ch1010832@1993: static void rtl8139_tx_timeout_task(struct work_struct *work); ch1010832@1993: static const struct ethtool_ops rtl8139_ethtool_ops; ch1010832@1993: ch1010832@1993: /* write MMIO register, with flush */ ch1010832@1993: /* Flush avoids rtl8139 bug w/ posted MMIO writes */ ch1010832@1993: #define RTL_W8_F(reg, val8) do { iowrite8 ((val8), ioaddr + (reg)); ioread8 (ioaddr + (reg)); } while (0) ch1010832@1993: #define RTL_W16_F(reg, val16) do { iowrite16 ((val16), ioaddr + (reg)); ioread16 (ioaddr + (reg)); } while (0) ch1010832@1993: #define RTL_W32_F(reg, val32) do { iowrite32 ((val32), ioaddr + (reg)); ioread32 (ioaddr + (reg)); } while (0) ch1010832@1993: ch1010832@1993: /* write MMIO register */ ch1010832@1993: #define RTL_W8(reg, val8) iowrite8 ((val8), ioaddr + (reg)) ch1010832@1993: #define RTL_W16(reg, val16) iowrite16 ((val16), ioaddr + (reg)) ch1010832@1993: #define RTL_W32(reg, val32) iowrite32 ((val32), ioaddr + (reg)) ch1010832@1993: ch1010832@1993: /* read MMIO register */ ch1010832@1993: #define RTL_R8(reg) ioread8 (ioaddr + (reg)) ch1010832@1993: #define RTL_R16(reg) ioread16 (ioaddr + (reg)) ch1010832@1993: #define RTL_R32(reg) ((unsigned long) ioread32 (ioaddr + (reg))) ch1010832@1993: ch1010832@1993: ch1010832@1993: static const u16 rtl8139_intr_mask = ch1010832@1993: PCIErr | PCSTimeout | RxUnderrun | RxOverflow | RxFIFOOver | ch1010832@1993: TxErr | TxOK | RxErr | RxOK; ch1010832@1993: ch1010832@1993: static const u16 rtl8139_norx_intr_mask = ch1010832@1993: PCIErr | PCSTimeout | RxUnderrun | ch1010832@1993: TxErr | TxOK | RxErr ; ch1010832@1993: ch1010832@1993: #if RX_BUF_IDX == 0 ch1010832@1993: static const unsigned int rtl8139_rx_config = ch1010832@1993: RxCfgRcv8K | RxNoWrap | ch1010832@1993: (RX_FIFO_THRESH << RxCfgFIFOShift) | ch1010832@1993: (RX_DMA_BURST << RxCfgDMAShift); ch1010832@1993: #elif RX_BUF_IDX == 1 ch1010832@1993: static const unsigned int rtl8139_rx_config = ch1010832@1993: RxCfgRcv16K | RxNoWrap | ch1010832@1993: (RX_FIFO_THRESH << RxCfgFIFOShift) | ch1010832@1993: (RX_DMA_BURST << RxCfgDMAShift); ch1010832@1993: #elif RX_BUF_IDX == 2 ch1010832@1993: static const unsigned int rtl8139_rx_config = ch1010832@1993: RxCfgRcv32K | RxNoWrap | ch1010832@1993: (RX_FIFO_THRESH << RxCfgFIFOShift) | ch1010832@1993: (RX_DMA_BURST << RxCfgDMAShift); ch1010832@1993: #elif RX_BUF_IDX == 3 ch1010832@1993: static const unsigned int rtl8139_rx_config = ch1010832@1993: RxCfgRcv64K | ch1010832@1993: (RX_FIFO_THRESH << RxCfgFIFOShift) | ch1010832@1993: (RX_DMA_BURST << RxCfgDMAShift); ch1010832@1993: #else ch1010832@1993: #error "Invalid configuration for 8139_RXBUF_IDX" ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: static const unsigned int rtl8139_tx_config = ch1010832@1993: TxIFG96 | (TX_DMA_BURST << TxDMAShift) | (TX_RETRY << TxRetryShift); ch1010832@1993: ch1010832@1993: static void __rtl8139_cleanup_dev (struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: struct pci_dev *pdev; ch1010832@1993: ch1010832@1993: assert (dev != NULL); ch1010832@1993: assert (tp->pci_dev != NULL); ch1010832@1993: pdev = tp->pci_dev; ch1010832@1993: ch1010832@1993: if (tp->mmio_addr) ch1010832@1993: pci_iounmap (pdev, tp->mmio_addr); ch1010832@1993: ch1010832@1993: /* it's ok to call this even if we have no regions to free */ ch1010832@1993: pci_release_regions (pdev); ch1010832@1993: ch1010832@1993: free_netdev(dev); ch1010832@1993: pci_set_drvdata (pdev, NULL); ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: static void rtl8139_chip_reset (void __iomem *ioaddr) ch1010832@1993: { ch1010832@1993: int i; ch1010832@1993: ch1010832@1993: /* Soft reset the chip. */ ch1010832@1993: RTL_W8 (ChipCmd, CmdReset); ch1010832@1993: ch1010832@1993: /* Check that the chip has finished the reset. */ ch1010832@1993: for (i = 1000; i > 0; i--) { ch1010832@1993: barrier(); ch1010832@1993: if ((RTL_R8 (ChipCmd) & CmdReset) == 0) ch1010832@1993: break; ch1010832@1993: udelay (10); ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: static __devinit struct net_device * rtl8139_init_board (struct pci_dev *pdev) ch1010832@1993: { ch1010832@1993: void __iomem *ioaddr; ch1010832@1993: struct net_device *dev; ch1010832@1993: struct rtl8139_private *tp; ch1010832@1993: u8 tmp8; ch1010832@1993: int rc, disable_dev_on_err = 0; ch1010832@1993: unsigned int i; ch1010832@1993: unsigned long pio_start, pio_end, pio_flags, pio_len; ch1010832@1993: unsigned long mmio_start, mmio_end, mmio_flags, mmio_len; ch1010832@1993: u32 version; ch1010832@1993: ch1010832@1993: assert (pdev != NULL); ch1010832@1993: ch1010832@1993: /* dev and priv zeroed in alloc_etherdev */ ch1010832@1993: dev = alloc_etherdev (sizeof (*tp)); ch1010832@1993: if (dev == NULL) { ch1010832@1993: dev_err(&pdev->dev, "Unable to alloc new net device\n"); ch1010832@1993: return ERR_PTR(-ENOMEM); ch1010832@1993: } ch1010832@1993: SET_NETDEV_DEV(dev, &pdev->dev); ch1010832@1993: ch1010832@1993: tp = netdev_priv(dev); ch1010832@1993: tp->pci_dev = pdev; ch1010832@1993: ch1010832@1993: /* enable device (incl. PCI PM wakeup and hotplug setup) */ ch1010832@1993: rc = pci_enable_device (pdev); ch1010832@1993: if (rc) ch1010832@1993: goto err_out; ch1010832@1993: ch1010832@1993: pio_start = pci_resource_start (pdev, 0); ch1010832@1993: pio_end = pci_resource_end (pdev, 0); ch1010832@1993: pio_flags = pci_resource_flags (pdev, 0); ch1010832@1993: pio_len = pci_resource_len (pdev, 0); ch1010832@1993: ch1010832@1993: mmio_start = pci_resource_start (pdev, 1); ch1010832@1993: mmio_end = pci_resource_end (pdev, 1); ch1010832@1993: mmio_flags = pci_resource_flags (pdev, 1); ch1010832@1993: mmio_len = pci_resource_len (pdev, 1); ch1010832@1993: ch1010832@1993: /* set this immediately, we need to know before ch1010832@1993: * we talk to the chip directly */ ch1010832@1993: pr_debug("PIO region size == 0x%02lX\n", pio_len); ch1010832@1993: pr_debug("MMIO region size == 0x%02lX\n", mmio_len); ch1010832@1993: ch1010832@1993: retry: ch1010832@1993: if (use_io) { ch1010832@1993: /* make sure PCI base addr 0 is PIO */ ch1010832@1993: if (!(pio_flags & IORESOURCE_IO)) { ch1010832@1993: dev_err(&pdev->dev, "region #0 not a PIO resource, aborting\n"); ch1010832@1993: rc = -ENODEV; ch1010832@1993: goto err_out; ch1010832@1993: } ch1010832@1993: /* check for weird/broken PCI region reporting */ ch1010832@1993: if (pio_len < RTL_MIN_IO_SIZE) { ch1010832@1993: dev_err(&pdev->dev, "Invalid PCI I/O region size(s), aborting\n"); ch1010832@1993: rc = -ENODEV; ch1010832@1993: goto err_out; ch1010832@1993: } ch1010832@1993: } else { ch1010832@1993: /* make sure PCI base addr 1 is MMIO */ ch1010832@1993: if (!(mmio_flags & IORESOURCE_MEM)) { ch1010832@1993: dev_err(&pdev->dev, "region #1 not an MMIO resource, aborting\n"); ch1010832@1993: rc = -ENODEV; ch1010832@1993: goto err_out; ch1010832@1993: } ch1010832@1993: if (mmio_len < RTL_MIN_IO_SIZE) { ch1010832@1993: dev_err(&pdev->dev, "Invalid PCI mem region size(s), aborting\n"); ch1010832@1993: rc = -ENODEV; ch1010832@1993: goto err_out; ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: rc = pci_request_regions (pdev, DRV_NAME); ch1010832@1993: if (rc) ch1010832@1993: goto err_out; ch1010832@1993: disable_dev_on_err = 1; ch1010832@1993: ch1010832@1993: /* enable PCI bus-mastering */ ch1010832@1993: pci_set_master (pdev); ch1010832@1993: ch1010832@1993: if (use_io) { ch1010832@1993: ioaddr = pci_iomap(pdev, 0, 0); ch1010832@1993: if (!ioaddr) { ch1010832@1993: dev_err(&pdev->dev, "cannot map PIO, aborting\n"); ch1010832@1993: rc = -EIO; ch1010832@1993: goto err_out; ch1010832@1993: } ch1010832@1993: dev->base_addr = pio_start; ch1010832@1993: tp->regs_len = pio_len; ch1010832@1993: } else { ch1010832@1993: /* ioremap MMIO region */ ch1010832@1993: ioaddr = pci_iomap(pdev, 1, 0); ch1010832@1993: if (ioaddr == NULL) { ch1010832@1993: dev_err(&pdev->dev, "cannot remap MMIO, trying PIO\n"); ch1010832@1993: pci_release_regions(pdev); ch1010832@1993: use_io = 1; ch1010832@1993: goto retry; ch1010832@1993: } ch1010832@1993: dev->base_addr = (long) ioaddr; ch1010832@1993: tp->regs_len = mmio_len; ch1010832@1993: } ch1010832@1993: tp->mmio_addr = ioaddr; ch1010832@1993: ch1010832@1993: /* Bring old chips out of low-power mode. */ ch1010832@1993: RTL_W8 (HltClk, 'R'); ch1010832@1993: ch1010832@1993: /* check for missing/broken hardware */ ch1010832@1993: if (RTL_R32 (TxConfig) == 0xFFFFFFFF) { ch1010832@1993: dev_err(&pdev->dev, "Chip not responding, ignoring board\n"); ch1010832@1993: rc = -EIO; ch1010832@1993: goto err_out; ch1010832@1993: } ch1010832@1993: ch1010832@1993: /* identify chip attached to board */ ch1010832@1993: version = RTL_R32 (TxConfig) & HW_REVID_MASK; ch1010832@1993: for (i = 0; i < ARRAY_SIZE (rtl_chip_info); i++) ch1010832@1993: if (version == rtl_chip_info[i].version) { ch1010832@1993: tp->chipset = i; ch1010832@1993: goto match; ch1010832@1993: } ch1010832@1993: ch1010832@1993: /* if unknown chip, assume array element #0, original RTL-8139 in this case */ ch1010832@1993: dev_dbg(&pdev->dev, "unknown chip version, assuming RTL-8139\n"); ch1010832@1993: dev_dbg(&pdev->dev, "TxConfig = 0x%lx\n", RTL_R32 (TxConfig)); ch1010832@1993: tp->chipset = 0; ch1010832@1993: ch1010832@1993: match: ch1010832@1993: pr_debug("chipset id (%d) == index %d, '%s'\n", ch1010832@1993: version, i, rtl_chip_info[i].name); ch1010832@1993: ch1010832@1993: if (tp->chipset >= CH_8139B) { ch1010832@1993: u8 new_tmp8 = tmp8 = RTL_R8 (Config1); ch1010832@1993: pr_debug("PCI PM wakeup\n"); ch1010832@1993: if ((rtl_chip_info[tp->chipset].flags & HasLWake) && ch1010832@1993: (tmp8 & LWAKE)) ch1010832@1993: new_tmp8 &= ~LWAKE; ch1010832@1993: new_tmp8 |= Cfg1_PM_Enable; ch1010832@1993: if (new_tmp8 != tmp8) { ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Unlock); ch1010832@1993: RTL_W8 (Config1, tmp8); ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Lock); ch1010832@1993: } ch1010832@1993: if (rtl_chip_info[tp->chipset].flags & HasLWake) { ch1010832@1993: tmp8 = RTL_R8 (Config4); ch1010832@1993: if (tmp8 & LWPTN) { ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Unlock); ch1010832@1993: RTL_W8 (Config4, tmp8 & ~LWPTN); ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Lock); ch1010832@1993: } ch1010832@1993: } ch1010832@1993: } else { ch1010832@1993: pr_debug("Old chip wakeup\n"); ch1010832@1993: tmp8 = RTL_R8 (Config1); ch1010832@1993: tmp8 &= ~(SLEEP | PWRDN); ch1010832@1993: RTL_W8 (Config1, tmp8); ch1010832@1993: } ch1010832@1993: ch1010832@1993: rtl8139_chip_reset (ioaddr); ch1010832@1993: ch1010832@1993: return dev; ch1010832@1993: ch1010832@1993: err_out: ch1010832@1993: __rtl8139_cleanup_dev (dev); ch1010832@1993: if (disable_dev_on_err) ch1010832@1993: pci_disable_device (pdev); ch1010832@1993: return ERR_PTR(rc); ch1010832@1993: } ch1010832@1993: ch1010832@1993: static const struct net_device_ops rtl8139_netdev_ops = { ch1010832@1993: .ndo_open = rtl8139_open, ch1010832@1993: .ndo_stop = rtl8139_close, ch1010832@1993: .ndo_get_stats = rtl8139_get_stats, ch1010832@1993: .ndo_change_mtu = eth_change_mtu, ch1010832@1993: .ndo_validate_addr = eth_validate_addr, ch1010832@1993: .ndo_set_mac_address = rtl8139_set_mac_address, ch1010832@1993: .ndo_start_xmit = rtl8139_start_xmit, ch1010832@1993: .ndo_set_multicast_list = rtl8139_set_rx_mode, ch1010832@1993: .ndo_do_ioctl = netdev_ioctl, ch1010832@1993: .ndo_tx_timeout = rtl8139_tx_timeout, ch1010832@1993: #ifdef CONFIG_NET_POLL_CONTROLLER ch1010832@1993: .ndo_poll_controller = rtl8139_poll_controller, ch1010832@1993: #endif ch1010832@1993: }; ch1010832@1993: ch1010832@1993: static int __devinit rtl8139_init_one (struct pci_dev *pdev, ch1010832@1993: const struct pci_device_id *ent) ch1010832@1993: { ch1010832@1993: struct net_device *dev = NULL; ch1010832@1993: struct rtl8139_private *tp; ch1010832@1993: int i, addr_len, option; ch1010832@1993: void __iomem *ioaddr; ch1010832@1993: static int board_idx = -1; ch1010832@1993: ch1010832@1993: assert (pdev != NULL); ch1010832@1993: assert (ent != NULL); ch1010832@1993: ch1010832@1993: board_idx++; ch1010832@1993: ch1010832@1993: /* when we're built into the kernel, the driver version message ch1010832@1993: * is only printed if at least one 8139 board has been found ch1010832@1993: */ ch1010832@1993: #ifndef MODULE ch1010832@1993: { ch1010832@1993: static int printed_version; ch1010832@1993: if (!printed_version++) ch1010832@1993: pr_info(RTL8139_DRIVER_NAME "\n"); ch1010832@1993: } ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: if (pdev->vendor == PCI_VENDOR_ID_REALTEK && ch1010832@1993: pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pdev->revision >= 0x20) { ch1010832@1993: dev_info(&pdev->dev, ch1010832@1993: "This (id %04x:%04x rev %02x) is an enhanced 8139C+ chip, use 8139cp\n", ch1010832@1993: pdev->vendor, pdev->device, pdev->revision); ch1010832@1993: return -ENODEV; ch1010832@1993: } ch1010832@1993: ch1010832@1993: if (pdev->vendor == PCI_VENDOR_ID_REALTEK && ch1010832@1993: pdev->device == PCI_DEVICE_ID_REALTEK_8139 && ch1010832@1993: pdev->subsystem_vendor == PCI_VENDOR_ID_ATHEROS && ch1010832@1993: pdev->subsystem_device == PCI_DEVICE_ID_REALTEK_8139) { ch1010832@1993: pr_info("8139too: OQO Model 2 detected. Forcing PIO\n"); ch1010832@1993: use_io = 1; ch1010832@1993: } ch1010832@1993: ch1010832@1993: dev = rtl8139_init_board (pdev); ch1010832@1993: if (IS_ERR(dev)) ch1010832@1993: return PTR_ERR(dev); ch1010832@1993: ch1010832@1993: assert (dev != NULL); ch1010832@1993: tp = netdev_priv(dev); ch1010832@1993: tp->dev = dev; ch1010832@1993: ch1010832@1993: ioaddr = tp->mmio_addr; ch1010832@1993: assert (ioaddr != NULL); ch1010832@1993: ch1010832@1993: addr_len = read_eeprom (ioaddr, 0, 8) == 0x8129 ? 8 : 6; ch1010832@1993: for (i = 0; i < 3; i++) ch1010832@1993: ((__le16 *) (dev->dev_addr))[i] = ch1010832@1993: cpu_to_le16(read_eeprom (ioaddr, i + 7, addr_len)); ch1010832@1993: memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); ch1010832@1993: ch1010832@1993: /* The Rtl8139-specific entries in the device structure. */ ch1010832@1993: dev->netdev_ops = &rtl8139_netdev_ops; ch1010832@1993: dev->ethtool_ops = &rtl8139_ethtool_ops; ch1010832@1993: dev->watchdog_timeo = TX_TIMEOUT; ch1010832@1993: netif_napi_add(dev, &tp->napi, rtl8139_poll, 64); ch1010832@1993: ch1010832@1993: /* note: the hardware is not capable of sg/csum/highdma, however ch1010832@1993: * through the use of skb_copy_and_csum_dev we enable these ch1010832@1993: * features ch1010832@1993: */ ch1010832@1993: dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA; ch1010832@1993: ch1010832@1993: dev->irq = pdev->irq; ch1010832@1993: ch1010832@1993: /* tp zeroed and aligned in alloc_etherdev */ ch1010832@1993: tp = netdev_priv(dev); ch1010832@1993: ch1010832@1993: /* note: tp->chipset set in rtl8139_init_board */ ch1010832@1993: tp->drv_flags = board_info[ent->driver_data].hw_flags; ch1010832@1993: tp->mmio_addr = ioaddr; ch1010832@1993: tp->msg_enable = ch1010832@1993: (debug < 0 ? RTL8139_DEF_MSG_ENABLE : ((1 << debug) - 1)); ch1010832@1993: spin_lock_init (&tp->lock); ch1010832@1993: spin_lock_init (&tp->rx_lock); ch1010832@1993: INIT_DELAYED_WORK(&tp->thread, rtl8139_thread); ch1010832@1993: tp->mii.dev = dev; ch1010832@1993: tp->mii.mdio_read = mdio_read; ch1010832@1993: tp->mii.mdio_write = mdio_write; ch1010832@1993: tp->mii.phy_id_mask = 0x3f; ch1010832@1993: tp->mii.reg_num_mask = 0x1f; ch1010832@1993: ch1010832@1993: /* dev is fully set up and ready to use now */ ch1010832@1993: // offer device to EtherCAT master module ch1010832@1993: tp->ecdev = ecdev_offer(dev, ec_poll, THIS_MODULE); ch1010832@1993: ch1010832@1993: if (!tp->ecdev) { ch1010832@1993: pr_debug("about to register device named %s (%p)...\n", dev->name, dev); ch1010832@1993: i = register_netdev (dev); ch1010832@1993: if (i) goto err_out; ch1010832@1993: } ch1010832@1993: ch1010832@1993: pci_set_drvdata (pdev, dev); ch1010832@1993: ch1010832@1993: pr_info("%s: %s at 0x%lx, %pM, IRQ %d\n", ch1010832@1993: dev->name, ch1010832@1993: board_info[ent->driver_data].name, ch1010832@1993: dev->base_addr, ch1010832@1993: dev->dev_addr, ch1010832@1993: dev->irq); ch1010832@1993: ch1010832@1993: pr_debug("%s: Identified 8139 chip type '%s'\n", ch1010832@1993: dev->name, rtl_chip_info[tp->chipset].name); ch1010832@1993: ch1010832@1993: /* Find the connected MII xcvrs. ch1010832@1993: Doing this in open() would allow detecting external xcvrs later, but ch1010832@1993: takes too much time. */ ch1010832@1993: #ifdef CONFIG_8139TOO_8129 ch1010832@1993: if (tp->drv_flags & HAS_MII_XCVR) { ch1010832@1993: int phy, phy_idx = 0; ch1010832@1993: for (phy = 0; phy < 32 && phy_idx < sizeof(tp->phys); phy++) { ch1010832@1993: int mii_status = mdio_read(dev, phy, 1); ch1010832@1993: if (mii_status != 0xffff && mii_status != 0x0000) { ch1010832@1993: u16 advertising = mdio_read(dev, phy, 4); ch1010832@1993: tp->phys[phy_idx++] = phy; ch1010832@1993: pr_info("%s: MII transceiver %d status 0x%4.4x advertising %4.4x.\n", ch1010832@1993: dev->name, phy, mii_status, advertising); ch1010832@1993: } ch1010832@1993: } ch1010832@1993: if (phy_idx == 0) { ch1010832@1993: pr_info("%s: No MII transceivers found! Assuming SYM transceiver.\n", ch1010832@1993: dev->name); ch1010832@1993: tp->phys[0] = 32; ch1010832@1993: } ch1010832@1993: } else ch1010832@1993: #endif ch1010832@1993: tp->phys[0] = 32; ch1010832@1993: tp->mii.phy_id = tp->phys[0]; ch1010832@1993: ch1010832@1993: /* The lower four bits are the media type. */ ch1010832@1993: option = (board_idx >= MAX_UNITS) ? 0 : media[board_idx]; ch1010832@1993: if (option > 0) { ch1010832@1993: tp->mii.full_duplex = (option & 0x210) ? 1 : 0; ch1010832@1993: tp->default_port = option & 0xFF; ch1010832@1993: if (tp->default_port) ch1010832@1993: tp->mii.force_media = 1; ch1010832@1993: } ch1010832@1993: if (board_idx < MAX_UNITS && full_duplex[board_idx] > 0) ch1010832@1993: tp->mii.full_duplex = full_duplex[board_idx]; ch1010832@1993: if (tp->mii.full_duplex) { ch1010832@1993: pr_info("%s: Media type forced to Full Duplex.\n", dev->name); ch1010832@1993: /* Changing the MII-advertised media because might prevent ch1010832@1993: re-connection. */ ch1010832@1993: tp->mii.force_media = 1; ch1010832@1993: } ch1010832@1993: if (tp->default_port) { ch1010832@1993: pr_info(" Forcing %dMbps %s-duplex operation.\n", ch1010832@1993: (option & 0x20 ? 100 : 10), ch1010832@1993: (option & 0x10 ? "full" : "half")); ch1010832@1993: mdio_write(dev, tp->phys[0], 0, ch1010832@1993: ((option & 0x20) ? 0x2000 : 0) | /* 100Mbps? */ ch1010832@1993: ((option & 0x10) ? 0x0100 : 0)); /* Full duplex? */ ch1010832@1993: } ch1010832@1993: ch1010832@1993: /* Put the chip into low-power mode. */ ch1010832@1993: if (rtl_chip_info[tp->chipset].flags & HasHltClk) ch1010832@1993: RTL_W8 (HltClk, 'H'); /* 'R' would leave the clock running. */ ch1010832@1993: fp@2589: if (tp->ecdev) { fp@2589: i = ecdev_open(tp->ecdev); fp@2589: if (i) { fp@2589: ecdev_withdraw(tp->ecdev); fp@2589: goto err_out; fp@2589: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: return 0; ch1010832@1993: ch1010832@1993: err_out: ch1010832@1993: __rtl8139_cleanup_dev (dev); ch1010832@1993: pci_disable_device (pdev); ch1010832@1993: return i; ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: static void __devexit rtl8139_remove_one (struct pci_dev *pdev) ch1010832@1993: { ch1010832@1993: struct net_device *dev = pci_get_drvdata (pdev); ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: ch1010832@1993: assert (dev != NULL); ch1010832@1993: ch1010832@1993: flush_scheduled_work(); ch1010832@1993: ch1010832@1993: if (tp->ecdev) { ch1010832@1993: ecdev_close(tp->ecdev); ch1010832@1993: ecdev_withdraw(tp->ecdev); ch1010832@1993: } ch1010832@1993: else { ch1010832@1993: unregister_netdev (dev); ch1010832@1993: } ch1010832@1993: ch1010832@1993: __rtl8139_cleanup_dev (dev); ch1010832@1993: pci_disable_device (pdev); ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: /* Serial EEPROM section. */ ch1010832@1993: ch1010832@1993: /* EEPROM_Ctrl bits. */ ch1010832@1993: #define EE_SHIFT_CLK 0x04 /* EEPROM shift clock. */ ch1010832@1993: #define EE_CS 0x08 /* EEPROM chip select. */ ch1010832@1993: #define EE_DATA_WRITE 0x02 /* EEPROM chip data in. */ ch1010832@1993: #define EE_WRITE_0 0x00 ch1010832@1993: #define EE_WRITE_1 0x02 ch1010832@1993: #define EE_DATA_READ 0x01 /* EEPROM chip data out. */ ch1010832@1993: #define EE_ENB (0x80 | EE_CS) ch1010832@1993: ch1010832@1993: /* Delay between EEPROM clock transitions. ch1010832@1993: No extra delay is needed with 33Mhz PCI, but 66Mhz may change this. ch1010832@1993: */ ch1010832@1993: ch1010832@1993: #define eeprom_delay() (void)RTL_R32(Cfg9346) ch1010832@1993: ch1010832@1993: /* The EEPROM commands include the alway-set leading bit. */ ch1010832@1993: #define EE_WRITE_CMD (5) ch1010832@1993: #define EE_READ_CMD (6) ch1010832@1993: #define EE_ERASE_CMD (7) ch1010832@1993: ch1010832@1993: static int __devinit read_eeprom (void __iomem *ioaddr, int location, int addr_len) ch1010832@1993: { ch1010832@1993: int i; ch1010832@1993: unsigned retval = 0; ch1010832@1993: int read_cmd = location | (EE_READ_CMD << addr_len); ch1010832@1993: ch1010832@1993: RTL_W8 (Cfg9346, EE_ENB & ~EE_CS); ch1010832@1993: RTL_W8 (Cfg9346, EE_ENB); ch1010832@1993: eeprom_delay (); ch1010832@1993: ch1010832@1993: /* Shift the read command bits out. */ ch1010832@1993: for (i = 4 + addr_len; i >= 0; i--) { ch1010832@1993: int dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; ch1010832@1993: RTL_W8 (Cfg9346, EE_ENB | dataval); ch1010832@1993: eeprom_delay (); ch1010832@1993: RTL_W8 (Cfg9346, EE_ENB | dataval | EE_SHIFT_CLK); ch1010832@1993: eeprom_delay (); ch1010832@1993: } ch1010832@1993: RTL_W8 (Cfg9346, EE_ENB); ch1010832@1993: eeprom_delay (); ch1010832@1993: ch1010832@1993: for (i = 16; i > 0; i--) { ch1010832@1993: RTL_W8 (Cfg9346, EE_ENB | EE_SHIFT_CLK); ch1010832@1993: eeprom_delay (); ch1010832@1993: retval = ch1010832@1993: (retval << 1) | ((RTL_R8 (Cfg9346) & EE_DATA_READ) ? 1 : ch1010832@1993: 0); ch1010832@1993: RTL_W8 (Cfg9346, EE_ENB); ch1010832@1993: eeprom_delay (); ch1010832@1993: } ch1010832@1993: ch1010832@1993: /* Terminate the EEPROM access. */ ch1010832@1993: RTL_W8 (Cfg9346, ~EE_CS); ch1010832@1993: eeprom_delay (); ch1010832@1993: ch1010832@1993: return retval; ch1010832@1993: } ch1010832@1993: ch1010832@1993: /* MII serial management: mostly bogus for now. */ ch1010832@1993: /* Read and write the MII management registers using software-generated ch1010832@1993: serial MDIO protocol. ch1010832@1993: The maximum data clock rate is 2.5 Mhz. The minimum timing is usually ch1010832@1993: met by back-to-back PCI I/O cycles, but we insert a delay to avoid ch1010832@1993: "overclocking" issues. */ ch1010832@1993: #define MDIO_DIR 0x80 ch1010832@1993: #define MDIO_DATA_OUT 0x04 ch1010832@1993: #define MDIO_DATA_IN 0x02 ch1010832@1993: #define MDIO_CLK 0x01 ch1010832@1993: #define MDIO_WRITE0 (MDIO_DIR) ch1010832@1993: #define MDIO_WRITE1 (MDIO_DIR | MDIO_DATA_OUT) ch1010832@1993: ch1010832@1993: #define mdio_delay() RTL_R8(Config4) ch1010832@1993: ch1010832@1993: ch1010832@1993: static const char mii_2_8139_map[8] = { ch1010832@1993: BasicModeCtrl, ch1010832@1993: BasicModeStatus, ch1010832@1993: 0, ch1010832@1993: 0, ch1010832@1993: NWayAdvert, ch1010832@1993: NWayLPAR, ch1010832@1993: NWayExpansion, ch1010832@1993: 0 ch1010832@1993: }; ch1010832@1993: ch1010832@1993: ch1010832@1993: #ifdef CONFIG_8139TOO_8129 ch1010832@1993: /* Syncronize the MII management interface by shifting 32 one bits out. */ ch1010832@1993: static void mdio_sync (void __iomem *ioaddr) ch1010832@1993: { ch1010832@1993: int i; ch1010832@1993: ch1010832@1993: for (i = 32; i >= 0; i--) { ch1010832@1993: RTL_W8 (Config4, MDIO_WRITE1); ch1010832@1993: mdio_delay (); ch1010832@1993: RTL_W8 (Config4, MDIO_WRITE1 | MDIO_CLK); ch1010832@1993: mdio_delay (); ch1010832@1993: } ch1010832@1993: } ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: static int mdio_read (struct net_device *dev, int phy_id, int location) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: int retval = 0; ch1010832@1993: #ifdef CONFIG_8139TOO_8129 ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: int mii_cmd = (0xf6 << 10) | (phy_id << 5) | location; ch1010832@1993: int i; ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: if (phy_id > 31) { /* Really a 8139. Use internal registers. */ ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: return location < 8 && mii_2_8139_map[location] ? ch1010832@1993: RTL_R16 (mii_2_8139_map[location]) : 0; ch1010832@1993: } ch1010832@1993: ch1010832@1993: #ifdef CONFIG_8139TOO_8129 ch1010832@1993: mdio_sync (ioaddr); ch1010832@1993: /* Shift the read command bits out. */ ch1010832@1993: for (i = 15; i >= 0; i--) { ch1010832@1993: int dataval = (mii_cmd & (1 << i)) ? MDIO_DATA_OUT : 0; ch1010832@1993: ch1010832@1993: RTL_W8 (Config4, MDIO_DIR | dataval); ch1010832@1993: mdio_delay (); ch1010832@1993: RTL_W8 (Config4, MDIO_DIR | dataval | MDIO_CLK); ch1010832@1993: mdio_delay (); ch1010832@1993: } ch1010832@1993: ch1010832@1993: /* Read the two transition, 16 data, and wire-idle bits. */ ch1010832@1993: for (i = 19; i > 0; i--) { ch1010832@1993: RTL_W8 (Config4, 0); ch1010832@1993: mdio_delay (); ch1010832@1993: retval = (retval << 1) | ((RTL_R8 (Config4) & MDIO_DATA_IN) ? 1 : 0); ch1010832@1993: RTL_W8 (Config4, MDIO_CLK); ch1010832@1993: mdio_delay (); ch1010832@1993: } ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: return (retval >> 1) & 0xffff; ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: static void mdio_write (struct net_device *dev, int phy_id, int location, ch1010832@1993: int value) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: #ifdef CONFIG_8139TOO_8129 ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: int mii_cmd = (0x5002 << 16) | (phy_id << 23) | (location << 18) | value; ch1010832@1993: int i; ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: if (phy_id > 31) { /* Really a 8139. Use internal registers. */ ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: if (location == 0) { ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Unlock); ch1010832@1993: RTL_W16 (BasicModeCtrl, value); ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Lock); ch1010832@1993: } else if (location < 8 && mii_2_8139_map[location]) ch1010832@1993: RTL_W16 (mii_2_8139_map[location], value); ch1010832@1993: return; ch1010832@1993: } ch1010832@1993: ch1010832@1993: #ifdef CONFIG_8139TOO_8129 ch1010832@1993: mdio_sync (ioaddr); ch1010832@1993: ch1010832@1993: /* Shift the command bits out. */ ch1010832@1993: for (i = 31; i >= 0; i--) { ch1010832@1993: int dataval = ch1010832@1993: (mii_cmd & (1 << i)) ? MDIO_WRITE1 : MDIO_WRITE0; ch1010832@1993: RTL_W8 (Config4, dataval); ch1010832@1993: mdio_delay (); ch1010832@1993: RTL_W8 (Config4, dataval | MDIO_CLK); ch1010832@1993: mdio_delay (); ch1010832@1993: } ch1010832@1993: /* Clear out extra bits. */ ch1010832@1993: for (i = 2; i > 0; i--) { ch1010832@1993: RTL_W8 (Config4, 0); ch1010832@1993: mdio_delay (); ch1010832@1993: RTL_W8 (Config4, MDIO_CLK); ch1010832@1993: mdio_delay (); ch1010832@1993: } ch1010832@1993: #endif ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: static int rtl8139_open (struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: int retval; ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: ch1010832@1993: if (!tp->ecdev) { ch1010832@1993: retval = request_irq(dev->irq, rtl8139_interrupt, ch1010832@1993: IRQF_SHARED, dev->name, dev); ch1010832@1993: if (retval) ch1010832@1993: return retval; ch1010832@1993: } ch1010832@1993: ch1010832@1993: tp->tx_bufs = dma_alloc_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN, ch1010832@1993: &tp->tx_bufs_dma, GFP_KERNEL); ch1010832@1993: tp->rx_ring = dma_alloc_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN, ch1010832@1993: &tp->rx_ring_dma, GFP_KERNEL); ch1010832@1993: if (tp->tx_bufs == NULL || tp->rx_ring == NULL) { ch1010832@1993: if (!tp->ecdev) free_irq(dev->irq, dev); ch1010832@1993: ch1010832@1993: if (tp->tx_bufs) ch1010832@1993: dma_free_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN, ch1010832@1993: tp->tx_bufs, tp->tx_bufs_dma); ch1010832@1993: if (tp->rx_ring) ch1010832@1993: dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN, ch1010832@1993: tp->rx_ring, tp->rx_ring_dma); ch1010832@1993: ch1010832@1993: return -ENOMEM; ch1010832@1993: ch1010832@1993: } ch1010832@1993: ch1010832@1993: napi_enable(&tp->napi); ch1010832@1993: ch1010832@1993: tp->mii.full_duplex = tp->mii.force_media; ch1010832@1993: tp->tx_flag = (TX_FIFO_THRESH << 11) & 0x003f0000; ch1010832@1993: ch1010832@1993: rtl8139_init_ring (dev); ch1010832@1993: rtl8139_hw_start (dev); ch1010832@1993: netif_start_queue (dev); ch1010832@1993: ch1010832@1993: if (!tp->ecdev) { ch1010832@1993: if (netif_msg_ifup(tp)) ch1010832@1993: pr_debug("%s: rtl8139_open() ioaddr %#llx IRQ %d" ch1010832@1993: " GP Pins %2.2x %s-duplex.\n", dev->name, ch1010832@1993: (unsigned long long)pci_resource_start (tp->pci_dev, 1), ch1010832@1993: dev->irq, RTL_R8 (MediaStatus), ch1010832@1993: tp->mii.full_duplex ? "full" : "half"); ch1010832@1993: ch1010832@1993: rtl8139_start_thread(tp); ch1010832@1993: } ch1010832@1993: ch1010832@1993: return 0; ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: static void rtl_check_media (struct net_device *dev, unsigned int init_media) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: ch1010832@1993: if (tp->ecdev) { ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: u16 state = RTL_R16(BasicModeStatus) & BMSR_LSTATUS; ch1010832@1993: ecdev_set_link(tp->ecdev, state ? 1 : 0); ch1010832@1993: } ch1010832@1993: else { ch1010832@1993: if (tp->phys[0] >= 0) { ch1010832@1993: mii_check_media(&tp->mii, netif_msg_link(tp), init_media); ch1010832@1993: } ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: /* Start the hardware at open or resume. */ ch1010832@1993: static void rtl8139_hw_start (struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: u32 i; ch1010832@1993: u8 tmp; ch1010832@1993: ch1010832@1993: /* Bring old chips out of low-power mode. */ ch1010832@1993: if (rtl_chip_info[tp->chipset].flags & HasHltClk) ch1010832@1993: RTL_W8 (HltClk, 'R'); ch1010832@1993: ch1010832@1993: rtl8139_chip_reset (ioaddr); ch1010832@1993: ch1010832@1993: /* unlock Config[01234] and BMCR register writes */ ch1010832@1993: RTL_W8_F (Cfg9346, Cfg9346_Unlock); ch1010832@1993: /* Restore our idea of the MAC address. */ ch1010832@1993: RTL_W32_F (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0))); ch1010832@1993: RTL_W32_F (MAC0 + 4, le16_to_cpu (*(__le16 *) (dev->dev_addr + 4))); ch1010832@1993: ch1010832@1993: tp->cur_rx = 0; ch1010832@1993: ch1010832@1993: /* init Rx ring buffer DMA address */ ch1010832@1993: RTL_W32_F (RxBuf, tp->rx_ring_dma); ch1010832@1993: ch1010832@1993: /* Must enable Tx/Rx before setting transfer thresholds! */ ch1010832@1993: RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); ch1010832@1993: ch1010832@1993: tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys; ch1010832@1993: RTL_W32 (RxConfig, tp->rx_config); ch1010832@1993: RTL_W32 (TxConfig, rtl8139_tx_config); ch1010832@1993: ch1010832@1993: rtl_check_media (dev, 1); ch1010832@1993: ch1010832@1993: if (tp->chipset >= CH_8139B) { ch1010832@1993: /* Disable magic packet scanning, which is enabled ch1010832@1993: * when PM is enabled in Config1. It can be reenabled ch1010832@1993: * via ETHTOOL_SWOL if desired. */ ch1010832@1993: RTL_W8 (Config3, RTL_R8 (Config3) & ~Cfg3_Magic); ch1010832@1993: } ch1010832@1993: ch1010832@1993: pr_debug("init buffer addresses\n"); ch1010832@1993: ch1010832@1993: /* Lock Config[01234] and BMCR register writes */ ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Lock); ch1010832@1993: ch1010832@1993: /* init Tx buffer DMA addresses */ ch1010832@1993: for (i = 0; i < NUM_TX_DESC; i++) ch1010832@1993: RTL_W32_F (TxAddr0 + (i * 4), tp->tx_bufs_dma + (tp->tx_buf[i] - tp->tx_bufs)); ch1010832@1993: ch1010832@1993: RTL_W32 (RxMissed, 0); ch1010832@1993: ch1010832@1993: rtl8139_set_rx_mode (dev); ch1010832@1993: ch1010832@1993: /* no early-rx interrupts */ ch1010832@1993: RTL_W16 (MultiIntr, RTL_R16 (MultiIntr) & MultiIntrClear); ch1010832@1993: ch1010832@1993: /* make sure RxTx has started */ ch1010832@1993: tmp = RTL_R8 (ChipCmd); ch1010832@1993: if ((!(tmp & CmdRxEnb)) || (!(tmp & CmdTxEnb))) ch1010832@1993: RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); ch1010832@1993: ch1010832@1993: if (!tp->ecdev) ch1010832@1993: /* Enable all known interrupts by setting the interrupt mask. */ ch1010832@1993: RTL_W16 (IntrMask, rtl8139_intr_mask); ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: /* Initialize the Rx and Tx rings, along with various 'dev' bits. */ ch1010832@1993: static void rtl8139_init_ring (struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: int i; ch1010832@1993: ch1010832@1993: tp->cur_rx = 0; ch1010832@1993: tp->cur_tx = 0; ch1010832@1993: tp->dirty_tx = 0; ch1010832@1993: ch1010832@1993: for (i = 0; i < NUM_TX_DESC; i++) ch1010832@1993: tp->tx_buf[i] = &tp->tx_bufs[i * TX_BUF_SIZE]; ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: /* This must be global for CONFIG_8139TOO_TUNE_TWISTER case */ ch1010832@1993: static int next_tick = 3 * HZ; ch1010832@1993: ch1010832@1993: #ifndef CONFIG_8139TOO_TUNE_TWISTER ch1010832@1993: static inline void rtl8139_tune_twister (struct net_device *dev, ch1010832@1993: struct rtl8139_private *tp) {} ch1010832@1993: #else ch1010832@1993: enum TwisterParamVals { ch1010832@1993: PARA78_default = 0x78fa8388, ch1010832@1993: PARA7c_default = 0xcb38de43, /* param[0][3] */ ch1010832@1993: PARA7c_xxx = 0xcb38de43, ch1010832@1993: }; ch1010832@1993: ch1010832@1993: static const unsigned long param[4][4] = { ch1010832@1993: {0xcb39de43, 0xcb39ce43, 0xfb38de03, 0xcb38de43}, ch1010832@1993: {0xcb39de43, 0xcb39ce43, 0xcb39ce83, 0xcb39ce83}, ch1010832@1993: {0xcb39de43, 0xcb39ce43, 0xcb39ce83, 0xcb39ce83}, ch1010832@1993: {0xbb39de43, 0xbb39ce43, 0xbb39ce83, 0xbb39ce83} ch1010832@1993: }; ch1010832@1993: ch1010832@1993: static void rtl8139_tune_twister (struct net_device *dev, ch1010832@1993: struct rtl8139_private *tp) ch1010832@1993: { ch1010832@1993: int linkcase; ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: ch1010832@1993: /* This is a complicated state machine to configure the "twister" for ch1010832@1993: impedance/echos based on the cable length. ch1010832@1993: All of this is magic and undocumented. ch1010832@1993: */ ch1010832@1993: switch (tp->twistie) { ch1010832@1993: case 1: ch1010832@1993: if (RTL_R16 (CSCR) & CSCR_LinkOKBit) { ch1010832@1993: /* We have link beat, let us tune the twister. */ ch1010832@1993: RTL_W16 (CSCR, CSCR_LinkDownOffCmd); ch1010832@1993: tp->twistie = 2; /* Change to state 2. */ ch1010832@1993: next_tick = HZ / 10; ch1010832@1993: } else { ch1010832@1993: /* Just put in some reasonable defaults for when beat returns. */ ch1010832@1993: RTL_W16 (CSCR, CSCR_LinkDownCmd); ch1010832@1993: RTL_W32 (FIFOTMS, 0x20); /* Turn on cable test mode. */ ch1010832@1993: RTL_W32 (PARA78, PARA78_default); ch1010832@1993: RTL_W32 (PARA7c, PARA7c_default); ch1010832@1993: tp->twistie = 0; /* Bail from future actions. */ ch1010832@1993: } ch1010832@1993: break; ch1010832@1993: case 2: ch1010832@1993: /* Read how long it took to hear the echo. */ ch1010832@1993: linkcase = RTL_R16 (CSCR) & CSCR_LinkStatusBits; ch1010832@1993: if (linkcase == 0x7000) ch1010832@1993: tp->twist_row = 3; ch1010832@1993: else if (linkcase == 0x3000) ch1010832@1993: tp->twist_row = 2; ch1010832@1993: else if (linkcase == 0x1000) ch1010832@1993: tp->twist_row = 1; ch1010832@1993: else ch1010832@1993: tp->twist_row = 0; ch1010832@1993: tp->twist_col = 0; ch1010832@1993: tp->twistie = 3; /* Change to state 2. */ ch1010832@1993: next_tick = HZ / 10; ch1010832@1993: break; ch1010832@1993: case 3: ch1010832@1993: /* Put out four tuning parameters, one per 100msec. */ ch1010832@1993: if (tp->twist_col == 0) ch1010832@1993: RTL_W16 (FIFOTMS, 0); ch1010832@1993: RTL_W32 (PARA7c, param[(int) tp->twist_row] ch1010832@1993: [(int) tp->twist_col]); ch1010832@1993: next_tick = HZ / 10; ch1010832@1993: if (++tp->twist_col >= 4) { ch1010832@1993: /* For short cables we are done. ch1010832@1993: For long cables (row == 3) check for mistune. */ ch1010832@1993: tp->twistie = ch1010832@1993: (tp->twist_row == 3) ? 4 : 0; ch1010832@1993: } ch1010832@1993: break; ch1010832@1993: case 4: ch1010832@1993: /* Special case for long cables: check for mistune. */ ch1010832@1993: if ((RTL_R16 (CSCR) & ch1010832@1993: CSCR_LinkStatusBits) == 0x7000) { ch1010832@1993: tp->twistie = 0; ch1010832@1993: break; ch1010832@1993: } else { ch1010832@1993: RTL_W32 (PARA7c, 0xfb38de03); ch1010832@1993: tp->twistie = 5; ch1010832@1993: next_tick = HZ / 10; ch1010832@1993: } ch1010832@1993: break; ch1010832@1993: case 5: ch1010832@1993: /* Retune for shorter cable (column 2). */ ch1010832@1993: RTL_W32 (FIFOTMS, 0x20); ch1010832@1993: RTL_W32 (PARA78, PARA78_default); ch1010832@1993: RTL_W32 (PARA7c, PARA7c_default); ch1010832@1993: RTL_W32 (FIFOTMS, 0x00); ch1010832@1993: tp->twist_row = 2; ch1010832@1993: tp->twist_col = 0; ch1010832@1993: tp->twistie = 3; ch1010832@1993: next_tick = HZ / 10; ch1010832@1993: break; ch1010832@1993: ch1010832@1993: default: ch1010832@1993: /* do nothing */ ch1010832@1993: break; ch1010832@1993: } ch1010832@1993: } ch1010832@1993: #endif /* CONFIG_8139TOO_TUNE_TWISTER */ ch1010832@1993: ch1010832@1993: static inline void rtl8139_thread_iter (struct net_device *dev, ch1010832@1993: struct rtl8139_private *tp, ch1010832@1993: void __iomem *ioaddr) ch1010832@1993: { ch1010832@1993: int mii_lpa; ch1010832@1993: ch1010832@1993: mii_lpa = mdio_read (dev, tp->phys[0], MII_LPA); ch1010832@1993: ch1010832@1993: if (!tp->mii.force_media && mii_lpa != 0xffff) { ch1010832@1993: int duplex = ((mii_lpa & LPA_100FULL) || ch1010832@1993: (mii_lpa & 0x01C0) == 0x0040); ch1010832@1993: if (tp->mii.full_duplex != duplex) { ch1010832@1993: tp->mii.full_duplex = duplex; ch1010832@1993: ch1010832@1993: if (mii_lpa) { ch1010832@1993: pr_info("%s: Setting %s-duplex based on MII #%d link" ch1010832@1993: " partner ability of %4.4x.\n", ch1010832@1993: dev->name, ch1010832@1993: tp->mii.full_duplex ? "full" : "half", ch1010832@1993: tp->phys[0], mii_lpa); ch1010832@1993: } else { ch1010832@1993: pr_info("%s: media is unconnected, link down, or incompatible connection\n", ch1010832@1993: dev->name); ch1010832@1993: } ch1010832@1993: #if 0 ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Unlock); ch1010832@1993: RTL_W8 (Config1, tp->mii.full_duplex ? 0x60 : 0x20); ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Lock); ch1010832@1993: #endif ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: next_tick = HZ * 60; ch1010832@1993: ch1010832@1993: rtl8139_tune_twister (dev, tp); ch1010832@1993: ch1010832@1993: pr_debug("%s: Media selection tick, Link partner %4.4x.\n", ch1010832@1993: dev->name, RTL_R16 (NWayLPAR)); ch1010832@1993: pr_debug("%s: Other registers are IntMask %4.4x IntStatus %4.4x\n", ch1010832@1993: dev->name, RTL_R16 (IntrMask), RTL_R16 (IntrStatus)); ch1010832@1993: pr_debug("%s: Chip config %2.2x %2.2x.\n", ch1010832@1993: dev->name, RTL_R8 (Config0), ch1010832@1993: RTL_R8 (Config1)); ch1010832@1993: } ch1010832@1993: ch1010832@1993: static void rtl8139_thread (struct work_struct *work) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = ch1010832@1993: container_of(work, struct rtl8139_private, thread.work); ch1010832@1993: struct net_device *dev = tp->mii.dev; ch1010832@1993: unsigned long thr_delay = next_tick; ch1010832@1993: ch1010832@1993: rtnl_lock(); ch1010832@1993: ch1010832@1993: if (!netif_running(dev)) ch1010832@1993: goto out_unlock; ch1010832@1993: ch1010832@1993: if (tp->watchdog_fired) { ch1010832@1993: tp->watchdog_fired = 0; ch1010832@1993: rtl8139_tx_timeout_task(work); ch1010832@1993: } else ch1010832@1993: rtl8139_thread_iter(dev, tp, tp->mmio_addr); ch1010832@1993: ch1010832@1993: if (tp->have_thread) ch1010832@1993: schedule_delayed_work(&tp->thread, thr_delay); ch1010832@1993: out_unlock: ch1010832@1993: rtnl_unlock (); ch1010832@1993: } ch1010832@1993: ch1010832@1993: static void rtl8139_start_thread(struct rtl8139_private *tp) ch1010832@1993: { ch1010832@1993: tp->twistie = 0; ch1010832@1993: if (tp->chipset == CH_8139_K) ch1010832@1993: tp->twistie = 1; ch1010832@1993: else if (tp->drv_flags & HAS_LNK_CHNG) ch1010832@1993: return; ch1010832@1993: ch1010832@1993: tp->have_thread = 1; ch1010832@1993: tp->watchdog_fired = 0; ch1010832@1993: ch1010832@1993: schedule_delayed_work(&tp->thread, next_tick); ch1010832@1993: } ch1010832@1993: ch1010832@1993: static inline void rtl8139_tx_clear (struct rtl8139_private *tp) ch1010832@1993: { ch1010832@1993: tp->cur_tx = 0; ch1010832@1993: tp->dirty_tx = 0; ch1010832@1993: ch1010832@1993: /* XXX account for unsent Tx packets in tp->stats.tx_dropped */ ch1010832@1993: } ch1010832@1993: ch1010832@1993: static void rtl8139_tx_timeout_task (struct work_struct *work) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = ch1010832@1993: container_of(work, struct rtl8139_private, thread.work); ch1010832@1993: struct net_device *dev = tp->mii.dev; ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: int i; ch1010832@1993: u8 tmp8; ch1010832@1993: ch1010832@1993: pr_debug("%s: Transmit timeout, status %2.2x %4.4x %4.4x media %2.2x.\n", ch1010832@1993: dev->name, RTL_R8 (ChipCmd), ch1010832@1993: RTL_R16(IntrStatus), RTL_R16(IntrMask), RTL_R8(MediaStatus)); ch1010832@1993: /* Emit info to figure out what went wrong. */ ch1010832@1993: pr_debug("%s: Tx queue start entry %ld dirty entry %ld.\n", ch1010832@1993: dev->name, tp->cur_tx, tp->dirty_tx); ch1010832@1993: for (i = 0; i < NUM_TX_DESC; i++) ch1010832@1993: pr_debug("%s: Tx descriptor %d is %8.8lx.%s\n", ch1010832@1993: dev->name, i, RTL_R32 (TxStatus0 + (i * 4)), ch1010832@1993: i == tp->dirty_tx % NUM_TX_DESC ? ch1010832@1993: " (queue head)" : ""); ch1010832@1993: ch1010832@1993: tp->xstats.tx_timeouts++; ch1010832@1993: ch1010832@1993: /* disable Tx ASAP, if not already */ ch1010832@1993: tmp8 = RTL_R8 (ChipCmd); ch1010832@1993: if (tmp8 & CmdTxEnb) ch1010832@1993: RTL_W8 (ChipCmd, CmdRxEnb); ch1010832@1993: ch1010832@1993: if (tp->ecdev) { ch1010832@1993: rtl8139_tx_clear (tp); ch1010832@1993: rtl8139_hw_start (dev); ch1010832@1993: } ch1010832@1993: else { ch1010832@1993: spin_lock_bh(&tp->rx_lock); ch1010832@1993: /* Disable interrupts by clearing the interrupt mask. */ ch1010832@1993: RTL_W16 (IntrMask, 0x0000); ch1010832@1993: ch1010832@1993: /* Stop a shared interrupt from scavenging while we are. */ ch1010832@1993: spin_lock_irq(&tp->lock); ch1010832@1993: rtl8139_tx_clear (tp); ch1010832@1993: spin_unlock_irq(&tp->lock); ch1010832@1993: ch1010832@1993: /* ...and finally, reset everything */ ch1010832@1993: if (netif_running(dev)) { ch1010832@1993: rtl8139_hw_start (dev); ch1010832@1993: netif_wake_queue (dev); ch1010832@1993: } ch1010832@1993: spin_unlock_bh(&tp->rx_lock); ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: static void rtl8139_tx_timeout (struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: ch1010832@1993: tp->watchdog_fired = 1; ch1010832@1993: if (!tp->ecdev && !tp->have_thread) { ch1010832@1993: INIT_DELAYED_WORK(&tp->thread, rtl8139_thread); ch1010832@1993: schedule_delayed_work(&tp->thread, next_tick); ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: static netdev_tx_t rtl8139_start_xmit (struct sk_buff *skb, ch1010832@1993: struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: unsigned int entry; ch1010832@1993: unsigned int len = skb->len; ch1010832@1993: unsigned long flags; ch1010832@1993: ch1010832@1993: /* Calculate the next Tx descriptor entry. */ ch1010832@1993: entry = tp->cur_tx % NUM_TX_DESC; ch1010832@1993: ch1010832@1993: /* Note: the chip doesn't have auto-pad! */ ch1010832@1993: if (likely(len < TX_BUF_SIZE)) { ch1010832@1993: if (len < ETH_ZLEN) ch1010832@1993: memset(tp->tx_buf[entry], 0, ETH_ZLEN); ch1010832@1993: skb_copy_and_csum_dev(skb, tp->tx_buf[entry]); ch1010832@1993: if (!tp->ecdev) dev_kfree_skb(skb); ch1010832@1993: } else { ch1010832@1993: if (!tp->ecdev) dev_kfree_skb(skb); ch1010832@1993: dev->stats.tx_dropped++; ch1010832@1993: return NETDEV_TX_OK; ch1010832@1993: } ch1010832@1993: ch1010832@1993: if (tp->ecdev) { ch1010832@1993: wmb(); ch1010832@1993: RTL_W32_F (TxStatus0 + (entry * sizeof (u32)), ch1010832@1993: tp->tx_flag | max(len, (unsigned int)ETH_ZLEN)); ch1010832@1993: ch1010832@1993: dev->trans_start = jiffies; ch1010832@1993: ch1010832@1993: tp->cur_tx++; ch1010832@1993: } else { ch1010832@1993: spin_lock_irqsave(&tp->lock, flags); ch1010832@1993: /* ch1010832@1993: * Writing to TxStatus triggers a DMA transfer of the data ch1010832@1993: * copied to tp->tx_buf[entry] above. Use a memory barrier ch1010832@1993: * to make sure that the device sees the updated data. ch1010832@1993: */ ch1010832@1993: wmb(); ch1010832@1993: RTL_W32_F (TxStatus0 + (entry * sizeof (u32)), ch1010832@1993: tp->tx_flag | max(len, (unsigned int)ETH_ZLEN)); ch1010832@1993: ch1010832@1993: dev->trans_start = jiffies; ch1010832@1993: ch1010832@1993: tp->cur_tx++; ch1010832@1993: ch1010832@1993: if ((tp->cur_tx - NUM_TX_DESC) == tp->dirty_tx) ch1010832@1993: netif_stop_queue (dev); ch1010832@1993: spin_unlock_irqrestore(&tp->lock, flags); ch1010832@1993: ch1010832@1993: if (netif_msg_tx_queued(tp)) ch1010832@1993: pr_debug("%s: Queued Tx packet size %u to slot %d.\n", ch1010832@1993: dev->name, len, entry); ch1010832@1993: } ab@2053: ch1010832@1993: return NETDEV_TX_OK; ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: static void rtl8139_tx_interrupt (struct net_device *dev, ch1010832@1993: struct rtl8139_private *tp, ch1010832@1993: void __iomem *ioaddr) ch1010832@1993: { ch1010832@1993: unsigned long dirty_tx, tx_left; ch1010832@1993: ch1010832@1993: assert (dev != NULL); ch1010832@1993: assert (ioaddr != NULL); ch1010832@1993: ch1010832@1993: dirty_tx = tp->dirty_tx; ch1010832@1993: tx_left = tp->cur_tx - dirty_tx; ch1010832@1993: while (tx_left > 0) { ch1010832@1993: int entry = dirty_tx % NUM_TX_DESC; ch1010832@1993: int txstatus; ch1010832@1993: ch1010832@1993: txstatus = RTL_R32 (TxStatus0 + (entry * sizeof (u32))); ch1010832@1993: ch1010832@1993: if (!(txstatus & (TxStatOK | TxUnderrun | TxAborted))) ch1010832@1993: break; /* It still hasn't been Txed */ ch1010832@1993: ch1010832@1993: /* Note: TxCarrierLost is always asserted at 100mbps. */ ch1010832@1993: if (txstatus & (TxOutOfWindow | TxAborted)) { ch1010832@1993: /* There was an major error, log it. */ ch1010832@1993: if (netif_msg_tx_err(tp)) ch1010832@1993: pr_debug("%s: Transmit error, Tx status %8.8x.\n", ch1010832@1993: dev->name, txstatus); ch1010832@1993: dev->stats.tx_errors++; ch1010832@1993: if (txstatus & TxAborted) { ch1010832@1993: dev->stats.tx_aborted_errors++; ch1010832@1993: RTL_W32 (TxConfig, TxClearAbt); ch1010832@1993: RTL_W16 (IntrStatus, TxErr); ch1010832@1993: wmb(); ch1010832@1993: } ch1010832@1993: if (txstatus & TxCarrierLost) ch1010832@1993: dev->stats.tx_carrier_errors++; ch1010832@1993: if (txstatus & TxOutOfWindow) ch1010832@1993: dev->stats.tx_window_errors++; ch1010832@1993: } else { ch1010832@1993: if (txstatus & TxUnderrun) { ch1010832@1993: /* Add 64 to the Tx FIFO threshold. */ ch1010832@1993: if (tp->tx_flag < 0x00300000) ch1010832@1993: tp->tx_flag += 0x00020000; ch1010832@1993: dev->stats.tx_fifo_errors++; ch1010832@1993: } ch1010832@1993: dev->stats.collisions += (txstatus >> 24) & 15; ch1010832@1993: dev->stats.tx_bytes += txstatus & 0x7ff; ch1010832@1993: dev->stats.tx_packets++; ch1010832@1993: } ch1010832@1993: ch1010832@1993: dirty_tx++; ch1010832@1993: tx_left--; ch1010832@1993: } ch1010832@1993: ch1010832@1993: #ifndef RTL8139_NDEBUG ch1010832@1993: if (!tp->ecdev && tp->cur_tx - dirty_tx > NUM_TX_DESC) { ch1010832@1993: pr_err("%s: Out-of-sync dirty pointer, %ld vs. %ld.\n", ch1010832@1993: dev->name, dirty_tx, tp->cur_tx); ch1010832@1993: dirty_tx += NUM_TX_DESC; ch1010832@1993: } ch1010832@1993: #endif /* RTL8139_NDEBUG */ ch1010832@1993: ch1010832@1993: /* only wake the queue if we did work, and the queue is stopped */ ch1010832@1993: if (tp->dirty_tx != dirty_tx) { ch1010832@1993: tp->dirty_tx = dirty_tx; ch1010832@1993: mb(); ch1010832@1993: if (!tp->ecdev) netif_wake_queue (dev); ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: /* TODO: clean this up! Rx reset need not be this intensive */ ch1010832@1993: static void rtl8139_rx_err (u32 rx_status, struct net_device *dev, ch1010832@1993: struct rtl8139_private *tp, void __iomem *ioaddr) ch1010832@1993: { ch1010832@1993: u8 tmp8; ch1010832@1993: #ifdef CONFIG_8139_OLD_RX_RESET ch1010832@1993: int tmp_work; ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: if (netif_msg_rx_err (tp)) ch1010832@1993: pr_debug("%s: Ethernet frame had errors, status %8.8x.\n", ch1010832@1993: dev->name, rx_status); ch1010832@1993: dev->stats.rx_errors++; ch1010832@1993: if (!(rx_status & RxStatusOK)) { ch1010832@1993: if (rx_status & RxTooLong) { ch1010832@1993: pr_debug("%s: Oversized Ethernet frame, status %4.4x!\n", ch1010832@1993: dev->name, rx_status); ch1010832@1993: /* A.C.: The chip hangs here. */ ch1010832@1993: } ch1010832@1993: if (rx_status & (RxBadSymbol | RxBadAlign)) ch1010832@1993: dev->stats.rx_frame_errors++; ch1010832@1993: if (rx_status & (RxRunt | RxTooLong)) ch1010832@1993: dev->stats.rx_length_errors++; ch1010832@1993: if (rx_status & RxCRCErr) ch1010832@1993: dev->stats.rx_crc_errors++; ch1010832@1993: } else { ch1010832@1993: tp->xstats.rx_lost_in_ring++; ch1010832@1993: } ch1010832@1993: ch1010832@1993: #ifndef CONFIG_8139_OLD_RX_RESET ch1010832@1993: tmp8 = RTL_R8 (ChipCmd); ch1010832@1993: RTL_W8 (ChipCmd, tmp8 & ~CmdRxEnb); ch1010832@1993: RTL_W8 (ChipCmd, tmp8); ch1010832@1993: RTL_W32 (RxConfig, tp->rx_config); ch1010832@1993: tp->cur_rx = 0; ch1010832@1993: #else ch1010832@1993: /* Reset the receiver, based on RealTek recommendation. (Bug?) */ ch1010832@1993: ch1010832@1993: /* disable receive */ ch1010832@1993: RTL_W8_F (ChipCmd, CmdTxEnb); ch1010832@1993: tmp_work = 200; ch1010832@1993: while (--tmp_work > 0) { ch1010832@1993: udelay(1); ch1010832@1993: tmp8 = RTL_R8 (ChipCmd); ch1010832@1993: if (!(tmp8 & CmdRxEnb)) ch1010832@1993: break; ch1010832@1993: } ch1010832@1993: if (tmp_work <= 0) ch1010832@1993: pr_warning(PFX "rx stop wait too long\n"); ch1010832@1993: /* restart receive */ ch1010832@1993: tmp_work = 200; ch1010832@1993: while (--tmp_work > 0) { ch1010832@1993: RTL_W8_F (ChipCmd, CmdRxEnb | CmdTxEnb); ch1010832@1993: udelay(1); ch1010832@1993: tmp8 = RTL_R8 (ChipCmd); ch1010832@1993: if ((tmp8 & CmdRxEnb) && (tmp8 & CmdTxEnb)) ch1010832@1993: break; ch1010832@1993: } ch1010832@1993: if (tmp_work <= 0) ch1010832@1993: pr_warning(PFX "tx/rx enable wait too long\n"); ch1010832@1993: ch1010832@1993: /* and reinitialize all rx related registers */ ch1010832@1993: RTL_W8_F (Cfg9346, Cfg9346_Unlock); ch1010832@1993: /* Must enable Tx/Rx before setting transfer thresholds! */ ch1010832@1993: RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); ch1010832@1993: ch1010832@1993: tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys; ch1010832@1993: RTL_W32 (RxConfig, tp->rx_config); ch1010832@1993: tp->cur_rx = 0; ch1010832@1993: ch1010832@1993: pr_debug("init buffer addresses\n"); ch1010832@1993: ch1010832@1993: /* Lock Config[01234] and BMCR register writes */ ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Lock); ch1010832@1993: ch1010832@1993: /* init Rx ring buffer DMA address */ ch1010832@1993: RTL_W32_F (RxBuf, tp->rx_ring_dma); ch1010832@1993: ch1010832@1993: /* A.C.: Reset the multicast list. */ ch1010832@1993: __set_rx_mode (dev); ch1010832@1993: #endif ch1010832@1993: } ch1010832@1993: ch1010832@1993: #if RX_BUF_IDX == 3 ch1010832@1993: static inline void wrap_copy(struct sk_buff *skb, const unsigned char *ring, ch1010832@1993: u32 offset, unsigned int size) ch1010832@1993: { ch1010832@1993: u32 left = RX_BUF_LEN - offset; ch1010832@1993: ch1010832@1993: if (size > left) { ch1010832@1993: skb_copy_to_linear_data(skb, ring + offset, left); ch1010832@1993: skb_copy_to_linear_data_offset(skb, left, ring, size - left); ch1010832@1993: } else ch1010832@1993: skb_copy_to_linear_data(skb, ring + offset, size); ch1010832@1993: } ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: static void rtl8139_isr_ack(struct rtl8139_private *tp) ch1010832@1993: { ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: u16 status; ch1010832@1993: ch1010832@1993: status = RTL_R16 (IntrStatus) & RxAckBits; ch1010832@1993: ch1010832@1993: /* Clear out errors and receive interrupts */ ch1010832@1993: if (likely(status != 0)) { ch1010832@1993: if (unlikely(status & (RxFIFOOver | RxOverflow))) { ch1010832@1993: tp->dev->stats.rx_errors++; ch1010832@1993: if (status & RxFIFOOver) ch1010832@1993: tp->dev->stats.rx_fifo_errors++; ch1010832@1993: } ch1010832@1993: RTL_W16_F (IntrStatus, RxAckBits); ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp, ch1010832@1993: int budget) ch1010832@1993: { ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: int received = 0; ch1010832@1993: unsigned char *rx_ring = tp->rx_ring; ch1010832@1993: unsigned int cur_rx = tp->cur_rx; ch1010832@1993: unsigned int rx_size = 0; ch1010832@1993: ch1010832@1993: pr_debug("%s: In rtl8139_rx(), current %4.4x BufAddr %4.4x," ch1010832@1993: " free to %4.4x, Cmd %2.2x.\n", dev->name, (u16)cur_rx, ch1010832@1993: RTL_R16 (RxBufAddr), ch1010832@1993: RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd)); ch1010832@1993: ab@2053: while ((tp->ecdev || netif_running(dev)) ab@2053: && received < budget ab@2053: && (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) { ch1010832@1993: u32 ring_offset = cur_rx % RX_BUF_LEN; ch1010832@1993: u32 rx_status; ch1010832@1993: unsigned int pkt_size; ch1010832@1993: struct sk_buff *skb; ch1010832@1993: ch1010832@1993: rmb(); ch1010832@1993: ch1010832@1993: /* read size+status of next frame from DMA ring buffer */ ch1010832@1993: rx_status = le32_to_cpu (*(__le32 *) (rx_ring + ring_offset)); ch1010832@1993: rx_size = rx_status >> 16; ch1010832@1993: pkt_size = rx_size - 4; ch1010832@1993: ch1010832@1993: if (!tp->ecdev) { ch1010832@1993: if (netif_msg_rx_status(tp)) ch1010832@1993: pr_debug("%s: rtl8139_rx() status %4.4x, size %4.4x," ch1010832@1993: " cur %4.4x.\n", dev->name, rx_status, ch1010832@1993: rx_size, cur_rx); ch1010832@1993: } ch1010832@1993: #if RTL8139_DEBUG > 2 ch1010832@1993: { ch1010832@1993: int i; ch1010832@1993: pr_debug("%s: Frame contents ", dev->name); ch1010832@1993: for (i = 0; i < 70; i++) ch1010832@1993: pr_cont(" %2.2x", ch1010832@1993: rx_ring[ring_offset + i]); ch1010832@1993: pr_cont(".\n"); ch1010832@1993: } ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: /* Packet copy from FIFO still in progress. ch1010832@1993: * Theoretically, this should never happen ch1010832@1993: * since EarlyRx is disabled. ch1010832@1993: */ ch1010832@1993: if (unlikely(rx_size == 0xfff0)) { ch1010832@1993: if (!tp->fifo_copy_timeout) ch1010832@1993: tp->fifo_copy_timeout = jiffies + 2; ch1010832@1993: else if (time_after(jiffies, tp->fifo_copy_timeout)) { ch1010832@1993: pr_debug("%s: hung FIFO. Reset.", dev->name); ch1010832@1993: rx_size = 0; ch1010832@1993: goto no_early_rx; ch1010832@1993: } ch1010832@1993: if (netif_msg_intr(tp)) { ch1010832@1993: pr_debug("%s: fifo copy in progress.", ch1010832@1993: dev->name); ch1010832@1993: } ch1010832@1993: tp->xstats.early_rx++; ch1010832@1993: break; ch1010832@1993: } ch1010832@1993: ch1010832@1993: no_early_rx: ch1010832@1993: tp->fifo_copy_timeout = 0; ch1010832@1993: ch1010832@1993: /* If Rx err or invalid rx_size/rx_status received ch1010832@1993: * (which happens if we get lost in the ring), ch1010832@1993: * Rx process gets reset, so we abort any further ch1010832@1993: * Rx processing. ch1010832@1993: */ ch1010832@1993: if (unlikely((rx_size > (MAX_ETH_FRAME_SIZE+4)) || ch1010832@1993: (rx_size < 8) || ch1010832@1993: (!(rx_status & RxStatusOK)))) { ch1010832@1993: rtl8139_rx_err (rx_status, dev, tp, ioaddr); ch1010832@1993: received = -1; ch1010832@1993: goto out; ch1010832@1993: } ch1010832@1993: ch1010832@1993: if (tp->ecdev) { ch1010832@1993: ecdev_receive(tp->ecdev, ch1010832@1993: &rx_ring[ring_offset + 4], pkt_size); ch1010832@1993: dev->last_rx = jiffies; ch1010832@1993: dev->stats.rx_bytes += pkt_size; ch1010832@1993: dev->stats.rx_packets++; ch1010832@1993: } else { ch1010832@1993: /* Malloc up new buffer, compatible with net-2e. */ ch1010832@1993: /* Omit the four octet CRC from the length. */ ab@2053: ab@2053: skb = netdev_alloc_skb_ip_align(dev, pkt_size); ab@2053: if (likely(skb)) { ab@2053: ch1010832@1993: #if RX_BUF_IDX == 3 ch1010832@1993: wrap_copy(skb, rx_ring, ring_offset+4, pkt_size); ch1010832@1993: #else ch1010832@1993: skb_copy_to_linear_data (skb, &rx_ring[ring_offset + 4], pkt_size); ch1010832@1993: #endif ch1010832@1993: skb_put (skb, pkt_size); ab@2053: ch1010832@1993: skb->protocol = eth_type_trans (skb, dev); ab@2053: ch1010832@1993: dev->stats.rx_bytes += pkt_size; ch1010832@1993: dev->stats.rx_packets++; ab@2053: ch1010832@1993: netif_receive_skb (skb); ch1010832@1993: } else { ch1010832@1993: if (net_ratelimit()) ch1010832@1993: pr_warning("%s: Memory squeeze, dropping packet.\n", ab@2053: dev->name); ch1010832@1993: dev->stats.rx_dropped++; ch1010832@1993: } ch1010832@1993: } ch1010832@1993: received++; ch1010832@1993: ch1010832@1993: cur_rx = (cur_rx + rx_size + 4 + 3) & ~3; ch1010832@1993: RTL_W16 (RxBufPtr, (u16) (cur_rx - 16)); ch1010832@1993: ch1010832@1993: rtl8139_isr_ack(tp); ch1010832@1993: } ch1010832@1993: ch1010832@1993: if (unlikely(!received || rx_size == 0xfff0)) ch1010832@1993: rtl8139_isr_ack(tp); ch1010832@1993: ch1010832@1993: pr_debug("%s: Done rtl8139_rx(), current %4.4x BufAddr %4.4x," ch1010832@1993: " free to %4.4x, Cmd %2.2x.\n", dev->name, cur_rx, ch1010832@1993: RTL_R16 (RxBufAddr), ch1010832@1993: RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd)); ch1010832@1993: ch1010832@1993: tp->cur_rx = cur_rx; ch1010832@1993: ch1010832@1993: /* ch1010832@1993: * The receive buffer should be mostly empty. ch1010832@1993: * Tell NAPI to reenable the Rx irq. ch1010832@1993: */ ch1010832@1993: if (tp->fifo_copy_timeout) ch1010832@1993: received = budget; ch1010832@1993: ch1010832@1993: out: ch1010832@1993: return received; ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: static void rtl8139_weird_interrupt (struct net_device *dev, ch1010832@1993: struct rtl8139_private *tp, ch1010832@1993: void __iomem *ioaddr, ch1010832@1993: int status, int link_changed) ch1010832@1993: { ch1010832@1993: pr_debug("%s: Abnormal interrupt, status %8.8x.\n", ch1010832@1993: dev->name, status); ch1010832@1993: ch1010832@1993: assert (dev != NULL); ch1010832@1993: assert (tp != NULL); ch1010832@1993: assert (ioaddr != NULL); ch1010832@1993: ch1010832@1993: /* Update the error count. */ ch1010832@1993: dev->stats.rx_missed_errors += RTL_R32 (RxMissed); ch1010832@1993: RTL_W32 (RxMissed, 0); ch1010832@1993: ch1010832@1993: if ((status & RxUnderrun) && link_changed && ch1010832@1993: (tp->drv_flags & HAS_LNK_CHNG)) { ch1010832@1993: rtl_check_media(dev, 0); ch1010832@1993: status &= ~RxUnderrun; ch1010832@1993: } ch1010832@1993: ch1010832@1993: if (status & (RxUnderrun | RxErr)) ch1010832@1993: dev->stats.rx_errors++; ch1010832@1993: ch1010832@1993: if (status & PCSTimeout) ch1010832@1993: dev->stats.rx_length_errors++; ch1010832@1993: if (status & RxUnderrun) ch1010832@1993: dev->stats.rx_fifo_errors++; ch1010832@1993: if (status & PCIErr) { ch1010832@1993: u16 pci_cmd_status; ch1010832@1993: pci_read_config_word (tp->pci_dev, PCI_STATUS, &pci_cmd_status); ch1010832@1993: pci_write_config_word (tp->pci_dev, PCI_STATUS, pci_cmd_status); ch1010832@1993: ch1010832@1993: pr_err("%s: PCI Bus error %4.4x.\n", ch1010832@1993: dev->name, pci_cmd_status); ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: static int rtl8139_poll(struct napi_struct *napi, int budget) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = container_of(napi, struct rtl8139_private, napi); ch1010832@1993: struct net_device *dev = tp->dev; ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: int work_done; ch1010832@1993: ch1010832@1993: spin_lock(&tp->rx_lock); ch1010832@1993: work_done = 0; ch1010832@1993: if (likely(RTL_R16(IntrStatus) & RxAckBits)) ch1010832@1993: work_done += rtl8139_rx(dev, tp, budget); ch1010832@1993: ch1010832@1993: if (work_done < budget) { ch1010832@1993: unsigned long flags; ch1010832@1993: /* ch1010832@1993: * Order is important since data can get interrupted ch1010832@1993: * again when we think we are done. ch1010832@1993: */ ch1010832@1993: spin_lock_irqsave(&tp->lock, flags); ch1010832@1993: RTL_W16_F(IntrMask, rtl8139_intr_mask); ch1010832@1993: __napi_complete(napi); ch1010832@1993: spin_unlock_irqrestore(&tp->lock, flags); ch1010832@1993: } ch1010832@1993: spin_unlock(&tp->rx_lock); ch1010832@1993: ch1010832@1993: return work_done; ch1010832@1993: } ch1010832@1993: ch1010832@1993: void ec_poll(struct net_device *dev) ch1010832@1993: { ch1010832@1993: rtl8139_interrupt(0, dev); ch1010832@1993: } ch1010832@1993: ch1010832@1993: /* The interrupt handler does all of the Rx thread work and cleans up ch1010832@1993: after the Tx thread. */ ch1010832@1993: static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance) ch1010832@1993: { ch1010832@1993: struct net_device *dev = (struct net_device *) dev_instance; ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: u16 status, ackstat; ch1010832@1993: int link_changed = 0; /* avoid bogus "uninit" warning */ ch1010832@1993: int handled = 0; ch1010832@1993: ch1010832@1993: if (tp->ecdev) { ch1010832@1993: status = RTL_R16 (IntrStatus); ch1010832@1993: } ch1010832@1993: else { ch1010832@1993: spin_lock (&tp->lock); ch1010832@1993: status = RTL_R16 (IntrStatus); ch1010832@1993: ch1010832@1993: /* shared irq? */ ch1010832@1993: if (unlikely((status & rtl8139_intr_mask) == 0)) ch1010832@1993: goto out; ch1010832@1993: } ch1010832@1993: ch1010832@1993: handled = 1; ch1010832@1993: ch1010832@1993: /* h/w no longer present (hotplug?) or major error, bail */ ch1010832@1993: if (unlikely(status == 0xFFFF)) ch1010832@1993: goto out; ch1010832@1993: ch1010832@1993: if (!tp->ecdev) { ch1010832@1993: /* close possible race's with dev_close */ ch1010832@1993: if (unlikely(!netif_running(dev))) { ch1010832@1993: RTL_W16 (IntrMask, 0); ch1010832@1993: goto out; ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: /* Acknowledge all of the current interrupt sources ASAP, but ch1010832@1993: an first get an additional status bit from CSCR. */ ch1010832@1993: if (unlikely(status & RxUnderrun)) ch1010832@1993: link_changed = RTL_R16 (CSCR) & CSCR_LinkChangeBit; ch1010832@1993: ch1010832@1993: ackstat = status & ~(RxAckBits | TxErr); ch1010832@1993: if (ackstat) ch1010832@1993: RTL_W16 (IntrStatus, ackstat); ch1010832@1993: ch1010832@1993: /* Receive packets are processed by poll routine. ch1010832@1993: If not running start it now. */ ch1010832@1993: if (status & RxAckBits){ ch1010832@1993: if (tp->ecdev) { ch1010832@1993: /* EtherCAT device: Just receive all frames */ ch1010832@1993: rtl8139_rx(dev, tp, 100); // FIXME ch1010832@1993: } else { ch1010832@1993: /* Mark for polling */ ch1010832@1993: if (napi_schedule_prep(&tp->napi)) { ch1010832@1993: RTL_W16_F (IntrMask, rtl8139_norx_intr_mask); ch1010832@1993: __napi_schedule(&tp->napi); ch1010832@1993: } ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: /* Check uncommon events with one test. */ ch1010832@1993: if (unlikely(status & (PCIErr | PCSTimeout | RxUnderrun | RxErr))) ch1010832@1993: rtl8139_weird_interrupt (dev, tp, ioaddr, ch1010832@1993: status, link_changed); ch1010832@1993: ch1010832@1993: if (status & (TxOK | TxErr)) { ch1010832@1993: rtl8139_tx_interrupt (dev, tp, ioaddr); ch1010832@1993: if (status & TxErr) ch1010832@1993: RTL_W16 (IntrStatus, TxErr); ch1010832@1993: } ch1010832@1993: out: ch1010832@1993: if (!tp->ecdev) spin_unlock (&tp->lock); ch1010832@1993: ch1010832@1993: pr_debug("%s: exiting interrupt, intr_status=%#4.4x.\n", ch1010832@1993: dev->name, RTL_R16 (IntrStatus)); ch1010832@1993: return IRQ_RETVAL(handled); ch1010832@1993: } ch1010832@1993: ch1010832@1993: #ifdef CONFIG_NET_POLL_CONTROLLER ch1010832@1993: /* ch1010832@1993: * Polling receive - used by netconsole and other diagnostic tools ch1010832@1993: * to allow network i/o with interrupts disabled. ch1010832@1993: */ ch1010832@1993: static void rtl8139_poll_controller(struct net_device *dev) ch1010832@1993: { ab@2053: /* ab@2053: * use _nosync() variant - might be used by netconsole ab@2053: * from atomic contexts: ab@2053: */ ab@2053: disable_irq_nosync(dev->irq); ch1010832@1993: rtl8139_interrupt(dev->irq, dev); ch1010832@1993: enable_irq(dev->irq); ch1010832@1993: } ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: static int rtl8139_set_mac_address(struct net_device *dev, void *p) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: struct sockaddr *addr = p; ch1010832@1993: ch1010832@1993: if (!is_valid_ether_addr(addr->sa_data)) ch1010832@1993: return -EADDRNOTAVAIL; ch1010832@1993: ch1010832@1993: memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); ch1010832@1993: ch1010832@1993: spin_lock_irq(&tp->lock); ch1010832@1993: ch1010832@1993: RTL_W8_F(Cfg9346, Cfg9346_Unlock); ch1010832@1993: RTL_W32_F(MAC0 + 0, cpu_to_le32 (*(u32 *) (dev->dev_addr + 0))); ch1010832@1993: RTL_W32_F(MAC0 + 4, cpu_to_le32 (*(u32 *) (dev->dev_addr + 4))); ch1010832@1993: RTL_W8_F(Cfg9346, Cfg9346_Lock); ch1010832@1993: ch1010832@1993: spin_unlock_irq(&tp->lock); ch1010832@1993: ch1010832@1993: return 0; ch1010832@1993: } ch1010832@1993: ch1010832@1993: static int rtl8139_close (struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: unsigned long flags; ch1010832@1993: ch1010832@1993: if (tp->ecdev) { ch1010832@1993: /* Stop the chip's Tx and Rx DMA processes. */ ch1010832@1993: RTL_W8 (ChipCmd, 0); ch1010832@1993: ch1010832@1993: /* Disable interrupts by clearing the interrupt mask. */ ch1010832@1993: RTL_W16 (IntrMask, 0); ch1010832@1993: ch1010832@1993: /* Update the error counts. */ ch1010832@1993: dev->stats.rx_missed_errors += RTL_R32 (RxMissed); ch1010832@1993: RTL_W32 (RxMissed, 0); ch1010832@1993: } else { ch1010832@1993: netif_stop_queue(dev); ch1010832@1993: napi_disable(&tp->napi); ch1010832@1993: ch1010832@1993: if (netif_msg_ifdown(tp)) ch1010832@1993: pr_debug("%s: Shutting down ethercard, status was 0x%4.4x.\n", ch1010832@1993: dev->name, RTL_R16 (IntrStatus)); ch1010832@1993: ch1010832@1993: spin_lock_irqsave (&tp->lock, flags); ch1010832@1993: ch1010832@1993: /* Stop the chip's Tx and Rx DMA processes. */ ch1010832@1993: RTL_W8 (ChipCmd, 0); ch1010832@1993: ch1010832@1993: /* Disable interrupts by clearing the interrupt mask. */ ch1010832@1993: RTL_W16 (IntrMask, 0); ch1010832@1993: ch1010832@1993: /* Update the error counts. */ ch1010832@1993: dev->stats.rx_missed_errors += RTL_R32 (RxMissed); ch1010832@1993: RTL_W32 (RxMissed, 0); ch1010832@1993: ch1010832@1993: spin_unlock_irqrestore (&tp->lock, flags); ch1010832@1993: ch1010832@1993: free_irq (dev->irq, dev); ch1010832@1993: } ch1010832@1993: ch1010832@1993: rtl8139_tx_clear (tp); ch1010832@1993: ch1010832@1993: dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN, ch1010832@1993: tp->rx_ring, tp->rx_ring_dma); ch1010832@1993: dma_free_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN, ch1010832@1993: tp->tx_bufs, tp->tx_bufs_dma); ch1010832@1993: tp->rx_ring = NULL; ch1010832@1993: tp->tx_bufs = NULL; ch1010832@1993: ch1010832@1993: /* Green! Put the chip in low-power mode. */ ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Unlock); ch1010832@1993: ch1010832@1993: if (rtl_chip_info[tp->chipset].flags & HasHltClk) ch1010832@1993: RTL_W8 (HltClk, 'H'); /* 'R' would leave the clock running. */ ch1010832@1993: ch1010832@1993: return 0; ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: /* Get the ethtool Wake-on-LAN settings. Assumes that wol points to ch1010832@1993: kernel memory, *wol has been initialized as {ETHTOOL_GWOL}, and ch1010832@1993: other threads or interrupts aren't messing with the 8139. */ ch1010832@1993: static void rtl8139_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: ch1010832@1993: spin_lock_irq(&tp->lock); ch1010832@1993: if (rtl_chip_info[tp->chipset].flags & HasLWake) { ch1010832@1993: u8 cfg3 = RTL_R8 (Config3); ch1010832@1993: u8 cfg5 = RTL_R8 (Config5); ch1010832@1993: ch1010832@1993: wol->supported = WAKE_PHY | WAKE_MAGIC ch1010832@1993: | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST; ch1010832@1993: ch1010832@1993: wol->wolopts = 0; ch1010832@1993: if (cfg3 & Cfg3_LinkUp) ch1010832@1993: wol->wolopts |= WAKE_PHY; ch1010832@1993: if (cfg3 & Cfg3_Magic) ch1010832@1993: wol->wolopts |= WAKE_MAGIC; ch1010832@1993: /* (KON)FIXME: See how netdev_set_wol() handles the ch1010832@1993: following constants. */ ch1010832@1993: if (cfg5 & Cfg5_UWF) ch1010832@1993: wol->wolopts |= WAKE_UCAST; ch1010832@1993: if (cfg5 & Cfg5_MWF) ch1010832@1993: wol->wolopts |= WAKE_MCAST; ch1010832@1993: if (cfg5 & Cfg5_BWF) ch1010832@1993: wol->wolopts |= WAKE_BCAST; ch1010832@1993: } ch1010832@1993: spin_unlock_irq(&tp->lock); ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: /* Set the ethtool Wake-on-LAN settings. Return 0 or -errno. Assumes ch1010832@1993: that wol points to kernel memory and other threads or interrupts ch1010832@1993: aren't messing with the 8139. */ ch1010832@1993: static int rtl8139_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: u32 support; ch1010832@1993: u8 cfg3, cfg5; ch1010832@1993: ch1010832@1993: support = ((rtl_chip_info[tp->chipset].flags & HasLWake) ch1010832@1993: ? (WAKE_PHY | WAKE_MAGIC ch1010832@1993: | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST) ch1010832@1993: : 0); ch1010832@1993: if (wol->wolopts & ~support) ch1010832@1993: return -EINVAL; ch1010832@1993: ch1010832@1993: spin_lock_irq(&tp->lock); ch1010832@1993: cfg3 = RTL_R8 (Config3) & ~(Cfg3_LinkUp | Cfg3_Magic); ch1010832@1993: if (wol->wolopts & WAKE_PHY) ch1010832@1993: cfg3 |= Cfg3_LinkUp; ch1010832@1993: if (wol->wolopts & WAKE_MAGIC) ch1010832@1993: cfg3 |= Cfg3_Magic; ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Unlock); ch1010832@1993: RTL_W8 (Config3, cfg3); ch1010832@1993: RTL_W8 (Cfg9346, Cfg9346_Lock); ch1010832@1993: ch1010832@1993: cfg5 = RTL_R8 (Config5) & ~(Cfg5_UWF | Cfg5_MWF | Cfg5_BWF); ch1010832@1993: /* (KON)FIXME: These are untested. We may have to set the ch1010832@1993: CRC0, Wakeup0 and LSBCRC0 registers too, but I have no ch1010832@1993: documentation. */ ch1010832@1993: if (wol->wolopts & WAKE_UCAST) ch1010832@1993: cfg5 |= Cfg5_UWF; ch1010832@1993: if (wol->wolopts & WAKE_MCAST) ch1010832@1993: cfg5 |= Cfg5_MWF; ch1010832@1993: if (wol->wolopts & WAKE_BCAST) ch1010832@1993: cfg5 |= Cfg5_BWF; ch1010832@1993: RTL_W8 (Config5, cfg5); /* need not unlock via Cfg9346 */ ch1010832@1993: spin_unlock_irq(&tp->lock); ch1010832@1993: ch1010832@1993: return 0; ch1010832@1993: } ch1010832@1993: ch1010832@1993: static void rtl8139_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: strcpy(info->driver, DRV_NAME); ch1010832@1993: strcpy(info->version, DRV_VERSION); ch1010832@1993: strcpy(info->bus_info, pci_name(tp->pci_dev)); ch1010832@1993: info->regdump_len = tp->regs_len; ch1010832@1993: } ch1010832@1993: ch1010832@1993: static int rtl8139_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: spin_lock_irq(&tp->lock); ch1010832@1993: mii_ethtool_gset(&tp->mii, cmd); ch1010832@1993: spin_unlock_irq(&tp->lock); ch1010832@1993: return 0; ch1010832@1993: } ch1010832@1993: ch1010832@1993: static int rtl8139_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: int rc; ch1010832@1993: spin_lock_irq(&tp->lock); ch1010832@1993: rc = mii_ethtool_sset(&tp->mii, cmd); ch1010832@1993: spin_unlock_irq(&tp->lock); ch1010832@1993: return rc; ch1010832@1993: } ch1010832@1993: ch1010832@1993: static int rtl8139_nway_reset(struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: return mii_nway_restart(&tp->mii); ch1010832@1993: } ch1010832@1993: ch1010832@1993: static u32 rtl8139_get_link(struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: return mii_link_ok(&tp->mii); ch1010832@1993: } ch1010832@1993: ch1010832@1993: static u32 rtl8139_get_msglevel(struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: return tp->msg_enable; ch1010832@1993: } ch1010832@1993: ch1010832@1993: static void rtl8139_set_msglevel(struct net_device *dev, u32 datum) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: tp->msg_enable = datum; ch1010832@1993: } ch1010832@1993: ch1010832@1993: static int rtl8139_get_regs_len(struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp; ch1010832@1993: /* TODO: we are too slack to do reg dumping for pio, for now */ ch1010832@1993: if (use_io) ch1010832@1993: return 0; ch1010832@1993: tp = netdev_priv(dev); ch1010832@1993: return tp->regs_len; ch1010832@1993: } ch1010832@1993: ch1010832@1993: static void rtl8139_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp; ch1010832@1993: ch1010832@1993: /* TODO: we are too slack to do reg dumping for pio, for now */ ch1010832@1993: if (use_io) ch1010832@1993: return; ch1010832@1993: tp = netdev_priv(dev); ch1010832@1993: ch1010832@1993: regs->version = RTL_REGS_VER; ch1010832@1993: ch1010832@1993: spin_lock_irq(&tp->lock); ch1010832@1993: memcpy_fromio(regbuf, tp->mmio_addr, regs->len); ch1010832@1993: spin_unlock_irq(&tp->lock); ch1010832@1993: } ch1010832@1993: ch1010832@1993: static int rtl8139_get_sset_count(struct net_device *dev, int sset) ch1010832@1993: { ch1010832@1993: switch (sset) { ch1010832@1993: case ETH_SS_STATS: ch1010832@1993: return RTL_NUM_STATS; ch1010832@1993: default: ch1010832@1993: return -EOPNOTSUPP; ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: static void rtl8139_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: ch1010832@1993: data[0] = tp->xstats.early_rx; ch1010832@1993: data[1] = tp->xstats.tx_buf_mapped; ch1010832@1993: data[2] = tp->xstats.tx_timeouts; ch1010832@1993: data[3] = tp->xstats.rx_lost_in_ring; ch1010832@1993: } ch1010832@1993: ch1010832@1993: static void rtl8139_get_strings(struct net_device *dev, u32 stringset, u8 *data) ch1010832@1993: { ch1010832@1993: memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys)); ch1010832@1993: } ch1010832@1993: ch1010832@1993: static const struct ethtool_ops rtl8139_ethtool_ops = { ch1010832@1993: .get_drvinfo = rtl8139_get_drvinfo, ch1010832@1993: .get_settings = rtl8139_get_settings, ch1010832@1993: .set_settings = rtl8139_set_settings, ch1010832@1993: .get_regs_len = rtl8139_get_regs_len, ch1010832@1993: .get_regs = rtl8139_get_regs, ch1010832@1993: .nway_reset = rtl8139_nway_reset, ch1010832@1993: .get_link = rtl8139_get_link, ch1010832@1993: .get_msglevel = rtl8139_get_msglevel, ch1010832@1993: .set_msglevel = rtl8139_set_msglevel, ch1010832@1993: .get_wol = rtl8139_get_wol, ch1010832@1993: .set_wol = rtl8139_set_wol, ch1010832@1993: .get_strings = rtl8139_get_strings, ch1010832@1993: .get_sset_count = rtl8139_get_sset_count, ch1010832@1993: .get_ethtool_stats = rtl8139_get_ethtool_stats, ch1010832@1993: }; ch1010832@1993: ch1010832@1993: static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: int rc; ch1010832@1993: ch1010832@1993: if (tp->ecdev || !netif_running(dev)) ch1010832@1993: return -EINVAL; ch1010832@1993: ch1010832@1993: spin_lock_irq(&tp->lock); ch1010832@1993: rc = generic_mii_ioctl(&tp->mii, if_mii(rq), cmd, NULL); ch1010832@1993: spin_unlock_irq(&tp->lock); ch1010832@1993: ch1010832@1993: return rc; ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: static struct net_device_stats *rtl8139_get_stats (struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: unsigned long flags; ch1010832@1993: ch1010832@1993: if (tp->ecdev || netif_running(dev)) { ch1010832@1993: spin_lock_irqsave (&tp->lock, flags); ch1010832@1993: dev->stats.rx_missed_errors += RTL_R32 (RxMissed); ch1010832@1993: RTL_W32 (RxMissed, 0); ch1010832@1993: spin_unlock_irqrestore (&tp->lock, flags); ch1010832@1993: } ch1010832@1993: ch1010832@1993: return &dev->stats; ch1010832@1993: } ch1010832@1993: ch1010832@1993: /* Set or clear the multicast filter for this adaptor. ch1010832@1993: This routine is not state sensitive and need not be SMP locked. */ ch1010832@1993: ch1010832@1993: static void __set_rx_mode (struct net_device *dev) ch1010832@1993: { ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: u32 mc_filter[2]; /* Multicast hash filter */ ch1010832@1993: int i, rx_mode; ch1010832@1993: u32 tmp; ch1010832@1993: ch1010832@1993: pr_debug("%s: rtl8139_set_rx_mode(%4.4x) done -- Rx config %8.8lx.\n", ch1010832@1993: dev->name, dev->flags, RTL_R32 (RxConfig)); ch1010832@1993: ch1010832@1993: /* Note: do not reorder, GCC is clever about common statements. */ ch1010832@1993: if (dev->flags & IFF_PROMISC) { ch1010832@1993: rx_mode = ch1010832@1993: AcceptBroadcast | AcceptMulticast | AcceptMyPhys | ch1010832@1993: AcceptAllPhys; ch1010832@1993: mc_filter[1] = mc_filter[0] = 0xffffffff; ch1010832@1993: } else if ((dev->mc_count > multicast_filter_limit) || ch1010832@1993: (dev->flags & IFF_ALLMULTI)) { ch1010832@1993: /* Too many to filter perfectly -- accept all multicasts. */ ch1010832@1993: rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys; ch1010832@1993: mc_filter[1] = mc_filter[0] = 0xffffffff; ch1010832@1993: } else { ch1010832@1993: struct dev_mc_list *mclist; ch1010832@1993: rx_mode = AcceptBroadcast | AcceptMyPhys; ch1010832@1993: mc_filter[1] = mc_filter[0] = 0; ch1010832@1993: for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; ch1010832@1993: i++, mclist = mclist->next) { ch1010832@1993: int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26; ch1010832@1993: ch1010832@1993: mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); ch1010832@1993: rx_mode |= AcceptMulticast; ch1010832@1993: } ch1010832@1993: } ch1010832@1993: ch1010832@1993: /* We can safely update without stopping the chip. */ ch1010832@1993: tmp = rtl8139_rx_config | rx_mode; ch1010832@1993: if (tp->rx_config != tmp) { ch1010832@1993: RTL_W32_F (RxConfig, tmp); ch1010832@1993: tp->rx_config = tmp; ch1010832@1993: } ch1010832@1993: RTL_W32_F (MAR0 + 0, mc_filter[0]); ch1010832@1993: RTL_W32_F (MAR0 + 4, mc_filter[1]); ch1010832@1993: } ch1010832@1993: ch1010832@1993: static void rtl8139_set_rx_mode (struct net_device *dev) ch1010832@1993: { ch1010832@1993: unsigned long flags; ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: ch1010832@1993: spin_lock_irqsave (&tp->lock, flags); ch1010832@1993: __set_rx_mode(dev); ch1010832@1993: spin_unlock_irqrestore (&tp->lock, flags); ch1010832@1993: } ch1010832@1993: ch1010832@1993: #ifdef CONFIG_PM ch1010832@1993: ch1010832@1993: static int rtl8139_suspend (struct pci_dev *pdev, pm_message_t state) ch1010832@1993: { ch1010832@1993: struct net_device *dev = pci_get_drvdata (pdev); ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: void __iomem *ioaddr = tp->mmio_addr; ch1010832@1993: unsigned long flags; ch1010832@1993: ch1010832@1993: pci_save_state (pdev); ch1010832@1993: ch1010832@1993: if (tp->ecdev || !netif_running (dev)) ch1010832@1993: return 0; ch1010832@1993: ch1010832@1993: netif_device_detach (dev); ch1010832@1993: ch1010832@1993: spin_lock_irqsave (&tp->lock, flags); ch1010832@1993: ch1010832@1993: /* Disable interrupts, stop Tx and Rx. */ ch1010832@1993: RTL_W16 (IntrMask, 0); ch1010832@1993: RTL_W8 (ChipCmd, 0); ch1010832@1993: ch1010832@1993: /* Update the error counts. */ ch1010832@1993: dev->stats.rx_missed_errors += RTL_R32 (RxMissed); ch1010832@1993: RTL_W32 (RxMissed, 0); ch1010832@1993: ch1010832@1993: spin_unlock_irqrestore (&tp->lock, flags); ch1010832@1993: ch1010832@1993: pci_set_power_state (pdev, PCI_D3hot); ch1010832@1993: ch1010832@1993: return 0; ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: static int rtl8139_resume (struct pci_dev *pdev) ch1010832@1993: { ch1010832@1993: struct net_device *dev = pci_get_drvdata (pdev); ch1010832@1993: struct rtl8139_private *tp = netdev_priv(dev); ch1010832@1993: ch1010832@1993: pci_restore_state (pdev); ch1010832@1993: if (tp->ecdev || !netif_running (dev)) ch1010832@1993: return 0; ch1010832@1993: pci_set_power_state (pdev, PCI_D0); ch1010832@1993: rtl8139_init_ring (dev); ch1010832@1993: rtl8139_hw_start (dev); ch1010832@1993: netif_device_attach (dev); ch1010832@1993: return 0; ch1010832@1993: } ch1010832@1993: ch1010832@1993: #endif /* CONFIG_PM */ ch1010832@1993: ch1010832@1993: ch1010832@1993: static struct pci_driver rtl8139_pci_driver = { ch1010832@1993: .name = DRV_NAME, ch1010832@1993: .id_table = rtl8139_pci_tbl, ch1010832@1993: .probe = rtl8139_init_one, ch1010832@1993: .remove = __devexit_p(rtl8139_remove_one), ch1010832@1993: #ifdef CONFIG_PM ch1010832@1993: .suspend = rtl8139_suspend, ch1010832@1993: .resume = rtl8139_resume, ch1010832@1993: #endif /* CONFIG_PM */ ch1010832@1993: }; ch1010832@1993: ch1010832@1993: ch1010832@1993: static int __init rtl8139_init_module (void) ch1010832@1993: { ch1010832@1993: /* when we're a module, we always print a version message, ch1010832@1993: * even if no 8139 board is found. ch1010832@1993: */ ch1010832@1993: #ifdef MODULE ch1010832@1993: pr_info(RTL8139_DRIVER_NAME "\n"); ch1010832@1993: #endif ch1010832@1993: ch1010832@1993: return pci_register_driver(&rtl8139_pci_driver); ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: static void __exit rtl8139_cleanup_module (void) ch1010832@1993: { ch1010832@1993: pci_unregister_driver (&rtl8139_pci_driver); ch1010832@1993: } ch1010832@1993: ch1010832@1993: ch1010832@1993: module_init(rtl8139_init_module); ch1010832@1993: module_exit(rtl8139_cleanup_module);