# HG changeset patch # User Florian Pose # Date 1292863957 -3600 # Node ID 04fdb4abf12068a968f393dcd1ef645394b6519f # Parent 87de63b19e4c9b5b7da58fcb96658c3bd3b39eec# Parent b5391b329b5d4563fe26db65814eaa218f2ac52b merge. diff -r 87de63b19e4c -r 04fdb4abf120 .hgignore --- a/.hgignore Tue Dec 14 21:58:53 2010 +0100 +++ b/.hgignore Mon Dec 20 17:52:37 2010 +0100 @@ -7,6 +7,7 @@ **.o **.o.cmd **.swp +**/.tmp_*.gcno **~ .tmp_versions ChangeLog diff -r 87de63b19e4c -r 04fdb4abf120 NEWS --- a/NEWS Tue Dec 14 21:58:53 2010 +0100 +++ b/NEWS Mon Dec 20 17:52:37 2010 +0100 @@ -27,9 +27,11 @@ - Added e100 driver for 2.6.29, thanks to Andre Puschmann. - Added e100 driver for 2.6.31. * Added 8139too driver for kernels 2.6.25 (F. Pose), 2.6.26 (M. Luescher), - 2.6.27, 2.6.28 and 2.6.29 (M. Goetze). + 2.6.27, 2.6.28, 2.6.29 (M. Goetze), 2.6.31 (F. Pose) and 2.6.34 (Malcolm + Lewis). * Added e1000 driver for 2.6.26 (M. Luescher) and 2.6.27. -* Added r8169 driver for 2.6.24, 2.6.27, 2.6.28, 2.6.29 and 2.6.31. +* Added r8169 driver for 2.6.24, 2.6.27, 2.6.28, 2.6.29, 2.6.31 and 2.6.32 + (latter thanks to Robbie K). * Debug interfaces are created with the Ethernet addresses of the attached physical device. * Improved error case return codes of many functions. diff -r 87de63b19e4c -r 04fdb4abf120 TODO --- a/TODO Tue Dec 14 21:58:53 2010 +0100 +++ b/TODO Mon Dec 20 17:52:37 2010 +0100 @@ -13,23 +13,15 @@ * Ethernet drivers: - Fix link detection in generic driver. - Add native drivers from 2.6.24 up to 2.6.31. -* ethercat tool: - - Output error after usage. -* Fix casting away constness during expected WC calculation. -* Include SoE drive_no in ethercat tool. Future issues: * Remove allow_scanning flag. -* Output skipped datagrams again. * Check for Enable SDO Complete Access flag. * Do not output 'SDO does not exist' when querying data type. -* Always write down PDO assignment/mapping in doubt? If not, add an interface - for enforcing this. * Read AL status code on spontaneous state change. * recompile tool/CommandVersion.cpp if revision changes. * Log SoE IDNs with real name ([SP]-x-yyyy). -* Output SoE IDN configurations in 'ethercat config'. * Only output watchdog config if not default. * Implement CompleteAccess for SDO uploads. * Output warning when send_ext() is called in illegal context. @@ -73,9 +65,12 @@ - Implement indent in 'ethercat ma' - Implement 0xXXXX:YY format for specifying SDOs. - Implement reading from stream for soe_write. + - Output error after usage. * Simplify master fsm by introducing a common request state to handle external requests (replace write_sii, sdo_request, etc). * Remove stdio uses in userspace library? +* Fix casting away constness during expected WC calculation. +* Fix bus scan hang when calling ecrt_master_deactivate(). Smaller issues: diff -r 87de63b19e4c -r 04fdb4abf120 devices/8139too-2.6.34-ethercat.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/devices/8139too-2.6.34-ethercat.c Mon Dec 20 17:52:37 2010 +0100 @@ -0,0 +1,2783 @@ +/****************************************************************************** + * + * $Id$ + * + * Copyright (C) 2006-2009 Florian Pose, Ingenieurgemeinschaft IgH + * + * This file is part of the IgH EtherCAT Master. + * + * The IgH EtherCAT Master is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + * The IgH EtherCAT Master is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General + * Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with the IgH EtherCAT Master; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * --- + * + * The license mentioned above concerns the source code only. Using the + * EtherCAT technology and brand is only permitted in compliance with the + * industrial property and similar rights of Beckhoff Automation GmbH. + * + *****************************************************************************/ + +/** + \file + EtherCAT driver for RTL8139-compatible NICs. +*/ + +/*****************************************************************************/ + +/* + Former documentation: + + 8139too.c: A RealTek RTL-8139 Fast Ethernet driver for Linux. + + Maintained by Jeff Garzik + Copyright 2000-2002 Jeff Garzik + + Much code comes from Donald Becker's rtl8139.c driver, + versions 1.13 and older. This driver was originally based + on rtl8139.c version 1.07. Header of rtl8139.c version 1.13: + + ---------- + + Written 1997-2001 by Donald Becker. + This software may be used and distributed according to the + terms of the GNU General Public License (GPL), incorporated + herein by reference. Drivers based on or derived from this + code fall under the GPL and must retain the authorship, + copyright and license notice. This file is not a complete + program and may only be used when the entire operating + system is licensed under the GPL. + + This driver is for boards based on the RTL8129 and RTL8139 + PCI ethernet chips. + + The author may be reached as becker@scyld.com, or C/O Scyld + Computing Corporation 410 Severn Ave., Suite 210 Annapolis + MD 21403 + + Support and updates available at + http://www.scyld.com/network/rtl8139.html + + Twister-tuning table provided by Kinston + . + + ---------- + + This software may be used and distributed according to the terms + of the GNU General Public License, incorporated herein by reference. + + Contributors: + + Donald Becker - he wrote the original driver, kudos to him! + (but please don't e-mail him for support, this isn't his driver) + + Tigran Aivazian - bug fixes, skbuff free cleanup + + Martin Mares - suggestions for PCI cleanup + + David S. Miller - PCI DMA and softnet updates + + Ernst Gill - fixes ported from BSD driver + + Daniel Kobras - identified specific locations of + posted MMIO write bugginess + + Gerard Sharp - bug fix, testing and feedback + + David Ford - Rx ring wrap fix + + Dan DeMaggio - swapped RTL8139 cards with me, and allowed me + to find and fix a crucial bug on older chipsets. + + Donald Becker/Chris Butterworth/Marcus Westergren - + Noticed various Rx packet size-related buglets. + + Santiago Garcia Mantinan - testing and feedback + + Jens David - 2.2.x kernel backports + + Martin Dennett - incredibly helpful insight on undocumented + features of the 8139 chips + + Jean-Jacques Michel - bug fix + + Tobias Ringström - Rx interrupt status checking suggestion + + Andrew Morton - Clear blocked signals, avoid + buffer overrun setting current->comm. + + Kalle Olavi Niemitalo - Wake-on-LAN ioctls + + Robert Kuebel - Save kernel thread from dying on any signal. + + Submitting bug reports: + + "rtl8139-diag -mmmaaavvveefN" output + enable RTL8139_DEBUG below, and look at 'dmesg' or kernel log + +*/ + +#define DRV_NAME "ec_8139too" +#define DRV_VERSION "0.9.28" + + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "../globals.h" +#include "ecdev.h" + +#define RTL8139_DRIVER_NAME DRV_NAME \ + " EtherCAT-capable Fast Ethernet driver " \ + DRV_VERSION ", master " EC_MASTER_VERSION + +#define PFX DRV_NAME ": " + +/* Default Message level */ +#define RTL8139_DEF_MSG_ENABLE (NETIF_MSG_DRV | \ + NETIF_MSG_PROBE | \ + NETIF_MSG_LINK) + + +/* define to 1, 2 or 3 to enable copious debugging info */ +#define RTL8139_DEBUG 0 + +/* define to 1 to disable lightweight runtime debugging checks */ +#undef RTL8139_NDEBUG + + +#ifdef RTL8139_NDEBUG +# define assert(expr) do {} while (0) +#else +# define assert(expr) \ + if(unlikely(!(expr))) { \ + pr_err("Assertion failed! %s,%s,%s,line=%d\n", \ + #expr, __FILE__, __func__, __LINE__); \ + } +#endif + + +/* A few user-configurable values. */ +/* media options */ +#define MAX_UNITS 8 +static int media[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1}; +static int full_duplex[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1}; + +/* Whether to use MMIO or PIO. Default to MMIO. */ +#ifdef CONFIG_8139TOO_PIO +static int use_io = 1; +#else +static int use_io = 0; +#endif + +/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). + The RTL chips use a 64 element hash table based on the Ethernet CRC. */ +static int multicast_filter_limit = 32; + +/* bitmapped message enable number */ +static int debug = -1; + +/* + * Receive ring size + * Warning: 64K ring has hardware issues and may lock up. + */ +#if defined(CONFIG_SH_DREAMCAST) +#define RX_BUF_IDX 0 /* 8K ring */ +#else +#define RX_BUF_IDX 2 /* 32K ring */ +#endif +#define RX_BUF_LEN (8192 << RX_BUF_IDX) +#define RX_BUF_PAD 16 +#define RX_BUF_WRAP_PAD 2048 /* spare padding to handle lack of packet wrap */ + +#if RX_BUF_LEN == 65536 +#define RX_BUF_TOT_LEN RX_BUF_LEN +#else +#define RX_BUF_TOT_LEN (RX_BUF_LEN + RX_BUF_PAD + RX_BUF_WRAP_PAD) +#endif + +/* Number of Tx descriptor registers. */ +#define NUM_TX_DESC 4 + +/* max supported ethernet frame size -- must be at least (dev->mtu+14+4).*/ +#define MAX_ETH_FRAME_SIZE 1536 + +/* Size of the Tx bounce buffers -- must be at least (dev->mtu+14+4). */ +#define TX_BUF_SIZE MAX_ETH_FRAME_SIZE +#define TX_BUF_TOT_LEN (TX_BUF_SIZE * NUM_TX_DESC) + +/* PCI Tuning Parameters + Threshold is bytes transferred to chip before transmission starts. */ +#define TX_FIFO_THRESH 256 /* In bytes, rounded down to 32 byte units. */ + +/* The following settings are log_2(bytes)-4: 0 == 16 bytes .. 6==1024, 7==end of packet. */ +#define RX_FIFO_THRESH 7 /* Rx buffer level before first PCI xfer. */ +#define RX_DMA_BURST 7 /* Maximum PCI burst, '6' is 1024 */ +#define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ +#define TX_RETRY 8 /* 0-15. retries = 16 + (TX_RETRY * 16) */ + +/* Operational parameters that usually are not changed. */ +/* Time in jiffies before concluding the transmitter is hung. */ +#define TX_TIMEOUT (6*HZ) + + +enum { + HAS_MII_XCVR = 0x010000, + HAS_CHIP_XCVR = 0x020000, + HAS_LNK_CHNG = 0x040000, +}; + +#define RTL_NUM_STATS 4 /* number of ETHTOOL_GSTATS u64's */ +#define RTL_REGS_VER 1 /* version of reg. data in ETHTOOL_GREGS */ +#define RTL_MIN_IO_SIZE 0x80 +#define RTL8139B_IO_SIZE 256 + +#define RTL8129_CAPS HAS_MII_XCVR +#define RTL8139_CAPS (HAS_CHIP_XCVR|HAS_LNK_CHNG) + +typedef enum { + RTL8139 = 0, + RTL8129, +} board_t; + + +/* indexed by board_t, above */ +static const struct { + const char *name; + u32 hw_flags; +} board_info[] __devinitdata = { + { "RealTek RTL8139", RTL8139_CAPS }, + { "RealTek RTL8129", RTL8129_CAPS }, +}; + + +static DEFINE_PCI_DEVICE_TABLE(rtl8139_pci_tbl) = { + {0x10ec, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x10ec, 0x8138, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1113, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1500, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x4033, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1186, 0x1300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1186, 0x1340, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x13d1, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1259, 0xa117, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1259, 0xa11e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x14ea, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x14ea, 0xab07, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x11db, 0x1234, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1432, 0x9130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x02ac, 0x1012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x018a, 0x0106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x126c, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1743, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x021b, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + +#ifdef CONFIG_SH_SECUREEDGE5410 + /* Bogus 8139 silicon reports 8129 without external PROM :-( */ + {0x10ec, 0x8129, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, +#endif +#ifdef CONFIG_8139TOO_8129 + {0x10ec, 0x8129, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8129 }, +#endif + + /* some crazy cards report invalid vendor ids like + * 0x0001 here. The other ids are valid and constant, + * so we simply don't match on the main vendor id. + */ + {PCI_ANY_ID, 0x8139, 0x10ec, 0x8139, 0, 0, RTL8139 }, + {PCI_ANY_ID, 0x8139, 0x1186, 0x1300, 0, 0, RTL8139 }, + {PCI_ANY_ID, 0x8139, 0x13d1, 0xab06, 0, 0, RTL8139 }, + + {0,} +}; + +/* prevent driver from being loaded automatically */ +//MODULE_DEVICE_TABLE (pci, rtl8139_pci_tbl); + +static struct { + const char str[ETH_GSTRING_LEN]; +} ethtool_stats_keys[] = { + { "early_rx" }, + { "tx_buf_mapped" }, + { "tx_timeouts" }, + { "rx_lost_in_ring" }, +}; + +/* The rest of these values should never change. */ + +/* Symbolic offsets to registers. */ +enum RTL8139_registers { + MAC0 = 0, /* Ethernet hardware address. */ + MAR0 = 8, /* Multicast filter. */ + TxStatus0 = 0x10, /* Transmit status (Four 32bit registers). */ + TxAddr0 = 0x20, /* Tx descriptors (also four 32bit). */ + RxBuf = 0x30, + ChipCmd = 0x37, + RxBufPtr = 0x38, + RxBufAddr = 0x3A, + IntrMask = 0x3C, + IntrStatus = 0x3E, + TxConfig = 0x40, + RxConfig = 0x44, + Timer = 0x48, /* A general-purpose counter. */ + RxMissed = 0x4C, /* 24 bits valid, write clears. */ + Cfg9346 = 0x50, + Config0 = 0x51, + Config1 = 0x52, + TimerInt = 0x54, + MediaStatus = 0x58, + Config3 = 0x59, + Config4 = 0x5A, /* absent on RTL-8139A */ + HltClk = 0x5B, + MultiIntr = 0x5C, + TxSummary = 0x60, + BasicModeCtrl = 0x62, + BasicModeStatus = 0x64, + NWayAdvert = 0x66, + NWayLPAR = 0x68, + NWayExpansion = 0x6A, + /* Undocumented registers, but required for proper operation. */ + FIFOTMS = 0x70, /* FIFO Control and test. */ + CSCR = 0x74, /* Chip Status and Configuration Register. */ + PARA78 = 0x78, + FlashReg = 0xD4, /* Communication with Flash ROM, four bytes. */ + PARA7c = 0x7c, /* Magic transceiver parameter register. */ + Config5 = 0xD8, /* absent on RTL-8139A */ +}; + +enum ClearBitMasks { + MultiIntrClear = 0xF000, + ChipCmdClear = 0xE2, + Config1Clear = (1<<7)|(1<<6)|(1<<3)|(1<<2)|(1<<1), +}; + +enum ChipCmdBits { + CmdReset = 0x10, + CmdRxEnb = 0x08, + CmdTxEnb = 0x04, + RxBufEmpty = 0x01, +}; + +/* Interrupt register bits, using my own meaningful names. */ +enum IntrStatusBits { + PCIErr = 0x8000, + PCSTimeout = 0x4000, + RxFIFOOver = 0x40, + RxUnderrun = 0x20, + RxOverflow = 0x10, + TxErr = 0x08, + TxOK = 0x04, + RxErr = 0x02, + RxOK = 0x01, + + RxAckBits = RxFIFOOver | RxOverflow | RxOK, +}; + +enum TxStatusBits { + TxHostOwns = 0x2000, + TxUnderrun = 0x4000, + TxStatOK = 0x8000, + TxOutOfWindow = 0x20000000, + TxAborted = 0x40000000, + TxCarrierLost = 0x80000000, +}; +enum RxStatusBits { + RxMulticast = 0x8000, + RxPhysical = 0x4000, + RxBroadcast = 0x2000, + RxBadSymbol = 0x0020, + RxRunt = 0x0010, + RxTooLong = 0x0008, + RxCRCErr = 0x0004, + RxBadAlign = 0x0002, + RxStatusOK = 0x0001, +}; + +/* Bits in RxConfig. */ +enum rx_mode_bits { + AcceptErr = 0x20, + AcceptRunt = 0x10, + AcceptBroadcast = 0x08, + AcceptMulticast = 0x04, + AcceptMyPhys = 0x02, + AcceptAllPhys = 0x01, +}; + +/* Bits in TxConfig. */ +enum tx_config_bits { + /* Interframe Gap Time. Only TxIFG96 doesn't violate IEEE 802.3 */ + TxIFGShift = 24, + TxIFG84 = (0 << TxIFGShift), /* 8.4us / 840ns (10 / 100Mbps) */ + TxIFG88 = (1 << TxIFGShift), /* 8.8us / 880ns (10 / 100Mbps) */ + TxIFG92 = (2 << TxIFGShift), /* 9.2us / 920ns (10 / 100Mbps) */ + TxIFG96 = (3 << TxIFGShift), /* 9.6us / 960ns (10 / 100Mbps) */ + + TxLoopBack = (1 << 18) | (1 << 17), /* enable loopback test mode */ + TxCRC = (1 << 16), /* DISABLE Tx pkt CRC append */ + TxClearAbt = (1 << 0), /* Clear abort (WO) */ + TxDMAShift = 8, /* DMA burst value (0-7) is shifted X many bits */ + TxRetryShift = 4, /* TXRR value (0-15) is shifted X many bits */ + + TxVersionMask = 0x7C800000, /* mask out version bits 30-26, 23 */ +}; + +/* Bits in Config1 */ +enum Config1Bits { + Cfg1_PM_Enable = 0x01, + Cfg1_VPD_Enable = 0x02, + Cfg1_PIO = 0x04, + Cfg1_MMIO = 0x08, + LWAKE = 0x10, /* not on 8139, 8139A */ + Cfg1_Driver_Load = 0x20, + Cfg1_LED0 = 0x40, + Cfg1_LED1 = 0x80, + SLEEP = (1 << 1), /* only on 8139, 8139A */ + PWRDN = (1 << 0), /* only on 8139, 8139A */ +}; + +/* Bits in Config3 */ +enum Config3Bits { + Cfg3_FBtBEn = (1 << 0), /* 1 = Fast Back to Back */ + Cfg3_FuncRegEn = (1 << 1), /* 1 = enable CardBus Function registers */ + Cfg3_CLKRUN_En = (1 << 2), /* 1 = enable CLKRUN */ + Cfg3_CardB_En = (1 << 3), /* 1 = enable CardBus registers */ + Cfg3_LinkUp = (1 << 4), /* 1 = wake up on link up */ + Cfg3_Magic = (1 << 5), /* 1 = wake up on Magic Packet (tm) */ + Cfg3_PARM_En = (1 << 6), /* 0 = software can set twister parameters */ + Cfg3_GNTSel = (1 << 7), /* 1 = delay 1 clock from PCI GNT signal */ +}; + +/* Bits in Config4 */ +enum Config4Bits { + LWPTN = (1 << 2), /* not on 8139, 8139A */ +}; + +/* Bits in Config5 */ +enum Config5Bits { + Cfg5_PME_STS = (1 << 0), /* 1 = PCI reset resets PME_Status */ + Cfg5_LANWake = (1 << 1), /* 1 = enable LANWake signal */ + Cfg5_LDPS = (1 << 2), /* 0 = save power when link is down */ + Cfg5_FIFOAddrPtr= (1 << 3), /* Realtek internal SRAM testing */ + Cfg5_UWF = (1 << 4), /* 1 = accept unicast wakeup frame */ + Cfg5_MWF = (1 << 5), /* 1 = accept multicast wakeup frame */ + Cfg5_BWF = (1 << 6), /* 1 = accept broadcast wakeup frame */ +}; + +enum RxConfigBits { + /* rx fifo threshold */ + RxCfgFIFOShift = 13, + RxCfgFIFONone = (7 << RxCfgFIFOShift), + + /* Max DMA burst */ + RxCfgDMAShift = 8, + RxCfgDMAUnlimited = (7 << RxCfgDMAShift), + + /* rx ring buffer length */ + RxCfgRcv8K = 0, + RxCfgRcv16K = (1 << 11), + RxCfgRcv32K = (1 << 12), + RxCfgRcv64K = (1 << 11) | (1 << 12), + + /* Disable packet wrap at end of Rx buffer. (not possible with 64k) */ + RxNoWrap = (1 << 7), +}; + +/* Twister tuning parameters from RealTek. + Completely undocumented, but required to tune bad links on some boards. */ +enum CSCRBits { + CSCR_LinkOKBit = 0x0400, + CSCR_LinkChangeBit = 0x0800, + CSCR_LinkStatusBits = 0x0f000, + CSCR_LinkDownOffCmd = 0x003c0, + CSCR_LinkDownCmd = 0x0f3c0, +}; + +enum Cfg9346Bits { + Cfg9346_Lock = 0x00, + Cfg9346_Unlock = 0xC0, +}; + +typedef enum { + CH_8139 = 0, + CH_8139_K, + CH_8139A, + CH_8139A_G, + CH_8139B, + CH_8130, + CH_8139C, + CH_8100, + CH_8100B_8139D, + CH_8101, +} chip_t; + +enum chip_flags { + HasHltClk = (1 << 0), + HasLWake = (1 << 1), +}; + +#define HW_REVID(b30, b29, b28, b27, b26, b23, b22) \ + (b30<<30 | b29<<29 | b28<<28 | b27<<27 | b26<<26 | b23<<23 | b22<<22) +#define HW_REVID_MASK HW_REVID(1, 1, 1, 1, 1, 1, 1) + +/* directly indexed by chip_t, above */ +static const struct { + const char *name; + u32 version; /* from RTL8139C/RTL8139D docs */ + u32 flags; +} rtl_chip_info[] = { + { "RTL-8139", + HW_REVID(1, 0, 0, 0, 0, 0, 0), + HasHltClk, + }, + + { "RTL-8139 rev K", + HW_REVID(1, 1, 0, 0, 0, 0, 0), + HasHltClk, + }, + + { "RTL-8139A", + HW_REVID(1, 1, 1, 0, 0, 0, 0), + HasHltClk, /* XXX undocumented? */ + }, + + { "RTL-8139A rev G", + HW_REVID(1, 1, 1, 0, 0, 1, 0), + HasHltClk, /* XXX undocumented? */ + }, + + { "RTL-8139B", + HW_REVID(1, 1, 1, 1, 0, 0, 0), + HasLWake, + }, + + { "RTL-8130", + HW_REVID(1, 1, 1, 1, 1, 0, 0), + HasLWake, + }, + + { "RTL-8139C", + HW_REVID(1, 1, 1, 0, 1, 0, 0), + HasLWake, + }, + + { "RTL-8100", + HW_REVID(1, 1, 1, 1, 0, 1, 0), + HasLWake, + }, + + { "RTL-8100B/8139D", + HW_REVID(1, 1, 1, 0, 1, 0, 1), + HasHltClk /* XXX undocumented? */ + | HasLWake, + }, + + { "RTL-8101", + HW_REVID(1, 1, 1, 0, 1, 1, 1), + HasLWake, + }, +}; + +struct rtl_extra_stats { + unsigned long early_rx; + unsigned long tx_buf_mapped; + unsigned long tx_timeouts; + unsigned long rx_lost_in_ring; +}; + +struct rtl8139_private { + void __iomem *mmio_addr; + int drv_flags; + struct pci_dev *pci_dev; + u32 msg_enable; + struct napi_struct napi; + struct net_device *dev; + + unsigned char *rx_ring; + unsigned int cur_rx; /* RX buf index of next pkt */ + dma_addr_t rx_ring_dma; + + unsigned int tx_flag; + unsigned long cur_tx; + unsigned long dirty_tx; + unsigned char *tx_buf[NUM_TX_DESC]; /* Tx bounce buffers */ + unsigned char *tx_bufs; /* Tx bounce buffer region. */ + dma_addr_t tx_bufs_dma; + + signed char phys[4]; /* MII device addresses. */ + + /* Twister tune state. */ + char twistie, twist_row, twist_col; + + unsigned int watchdog_fired : 1; + unsigned int default_port : 4; /* Last dev->if_port value. */ + unsigned int have_thread : 1; + + spinlock_t lock; + spinlock_t rx_lock; + + chip_t chipset; + u32 rx_config; + struct rtl_extra_stats xstats; + + struct delayed_work thread; + + struct mii_if_info mii; + unsigned int regs_len; + unsigned long fifo_copy_timeout; + + ec_device_t *ecdev; +}; + +MODULE_AUTHOR("Florian Pose "); +MODULE_DESCRIPTION("RealTek RTL-8139 EtherCAT driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(EC_MASTER_VERSION); + +module_param(use_io, int, 0); +MODULE_PARM_DESC(use_io, "Force use of I/O access mode. 0=MMIO 1=PIO"); +module_param(multicast_filter_limit, int, 0); +module_param_array(media, int, NULL, 0); +module_param_array(full_duplex, int, NULL, 0); +module_param(debug, int, 0); +MODULE_PARM_DESC (debug, "8139too bitmapped message enable number"); +MODULE_PARM_DESC (multicast_filter_limit, "8139too maximum number of filtered multicast addresses"); +MODULE_PARM_DESC (media, "8139too: Bits 4+9: force full duplex, bit 5: 100Mbps"); +MODULE_PARM_DESC (full_duplex, "8139too: Force full duplex for board(s) (1)"); + +void ec_poll(struct net_device *); + +static int read_eeprom (void __iomem *ioaddr, int location, int addr_len); +static int rtl8139_open (struct net_device *dev); +static int mdio_read (struct net_device *dev, int phy_id, int location); +static void mdio_write (struct net_device *dev, int phy_id, int location, + int val); +static void rtl8139_start_thread(struct rtl8139_private *tp); +static void rtl8139_tx_timeout (struct net_device *dev); +static void rtl8139_init_ring (struct net_device *dev); +static int rtl8139_start_xmit (struct sk_buff *skb, + struct net_device *dev); +#ifdef CONFIG_NET_POLL_CONTROLLER +static void rtl8139_poll_controller(struct net_device *dev); +#endif +static int rtl8139_set_mac_address(struct net_device *dev, void *p); +static int rtl8139_poll(struct napi_struct *napi, int budget); +static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance); +static int rtl8139_close (struct net_device *dev); +static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd); +static struct net_device_stats *rtl8139_get_stats (struct net_device *dev); +static void rtl8139_set_rx_mode (struct net_device *dev); +static void __set_rx_mode (struct net_device *dev); +static void rtl8139_hw_start (struct net_device *dev); +static void rtl8139_thread (struct work_struct *work); +static void rtl8139_tx_timeout_task(struct work_struct *work); +static const struct ethtool_ops rtl8139_ethtool_ops; + +/* write MMIO register, with flush */ +/* Flush avoids rtl8139 bug w/ posted MMIO writes */ +#define RTL_W8_F(reg, val8) do { iowrite8 ((val8), ioaddr + (reg)); ioread8 (ioaddr + (reg)); } while (0) +#define RTL_W16_F(reg, val16) do { iowrite16 ((val16), ioaddr + (reg)); ioread16 (ioaddr + (reg)); } while (0) +#define RTL_W32_F(reg, val32) do { iowrite32 ((val32), ioaddr + (reg)); ioread32 (ioaddr + (reg)); } while (0) + +/* write MMIO register */ +#define RTL_W8(reg, val8) iowrite8 ((val8), ioaddr + (reg)) +#define RTL_W16(reg, val16) iowrite16 ((val16), ioaddr + (reg)) +#define RTL_W32(reg, val32) iowrite32 ((val32), ioaddr + (reg)) + +/* read MMIO register */ +#define RTL_R8(reg) ioread8 (ioaddr + (reg)) +#define RTL_R16(reg) ioread16 (ioaddr + (reg)) +#define RTL_R32(reg) ((unsigned long) ioread32 (ioaddr + (reg))) + + +static const u16 rtl8139_intr_mask = + PCIErr | PCSTimeout | RxUnderrun | RxOverflow | RxFIFOOver | + TxErr | TxOK | RxErr | RxOK; + +static const u16 rtl8139_norx_intr_mask = + PCIErr | PCSTimeout | RxUnderrun | + TxErr | TxOK | RxErr ; + +#if RX_BUF_IDX == 0 +static const unsigned int rtl8139_rx_config = + RxCfgRcv8K | RxNoWrap | + (RX_FIFO_THRESH << RxCfgFIFOShift) | + (RX_DMA_BURST << RxCfgDMAShift); +#elif RX_BUF_IDX == 1 +static const unsigned int rtl8139_rx_config = + RxCfgRcv16K | RxNoWrap | + (RX_FIFO_THRESH << RxCfgFIFOShift) | + (RX_DMA_BURST << RxCfgDMAShift); +#elif RX_BUF_IDX == 2 +static const unsigned int rtl8139_rx_config = + RxCfgRcv32K | RxNoWrap | + (RX_FIFO_THRESH << RxCfgFIFOShift) | + (RX_DMA_BURST << RxCfgDMAShift); +#elif RX_BUF_IDX == 3 +static const unsigned int rtl8139_rx_config = + RxCfgRcv64K | + (RX_FIFO_THRESH << RxCfgFIFOShift) | + (RX_DMA_BURST << RxCfgDMAShift); +#else +#error "Invalid configuration for 8139_RXBUF_IDX" +#endif + +static const unsigned int rtl8139_tx_config = + TxIFG96 | (TX_DMA_BURST << TxDMAShift) | (TX_RETRY << TxRetryShift); + +static void __rtl8139_cleanup_dev (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + struct pci_dev *pdev; + + assert (dev != NULL); + assert (tp->pci_dev != NULL); + pdev = tp->pci_dev; + + if (tp->mmio_addr) + pci_iounmap (pdev, tp->mmio_addr); + + /* it's ok to call this even if we have no regions to free */ + pci_release_regions (pdev); + + free_netdev(dev); + pci_set_drvdata (pdev, NULL); +} + + +static void rtl8139_chip_reset (void __iomem *ioaddr) +{ + int i; + + /* Soft reset the chip. */ + RTL_W8 (ChipCmd, CmdReset); + + /* Check that the chip has finished the reset. */ + for (i = 1000; i > 0; i--) { + barrier(); + if ((RTL_R8 (ChipCmd) & CmdReset) == 0) + break; + udelay (10); + } +} + + +static __devinit struct net_device * rtl8139_init_board (struct pci_dev *pdev) +{ + void __iomem *ioaddr; + struct net_device *dev; + struct rtl8139_private *tp; + u8 tmp8; + int rc, disable_dev_on_err = 0; + unsigned int i; + unsigned long pio_start, pio_end, pio_flags, pio_len; + unsigned long mmio_start, mmio_end, mmio_flags, mmio_len; + u32 version; + + assert (pdev != NULL); + + /* dev and priv zeroed in alloc_etherdev */ + dev = alloc_etherdev (sizeof (*tp)); + if (dev == NULL) { + dev_err(&pdev->dev, "Unable to alloc new net device\n"); + return ERR_PTR(-ENOMEM); + } + SET_NETDEV_DEV(dev, &pdev->dev); + + tp = netdev_priv(dev); + tp->pci_dev = pdev; + + /* enable device (incl. PCI PM wakeup and hotplug setup) */ + rc = pci_enable_device (pdev); + if (rc) + goto err_out; + + pio_start = pci_resource_start (pdev, 0); + pio_end = pci_resource_end (pdev, 0); + pio_flags = pci_resource_flags (pdev, 0); + pio_len = pci_resource_len (pdev, 0); + + mmio_start = pci_resource_start (pdev, 1); + mmio_end = pci_resource_end (pdev, 1); + mmio_flags = pci_resource_flags (pdev, 1); + mmio_len = pci_resource_len (pdev, 1); + + /* set this immediately, we need to know before + * we talk to the chip directly */ + pr_debug("PIO region size == 0x%02lX\n", pio_len); + pr_debug("MMIO region size == 0x%02lX\n", mmio_len); + +retry: + if (use_io) { + /* make sure PCI base addr 0 is PIO */ + if (!(pio_flags & IORESOURCE_IO)) { + dev_err(&pdev->dev, "region #0 not a PIO resource, aborting\n"); + rc = -ENODEV; + goto err_out; + } + /* check for weird/broken PCI region reporting */ + if (pio_len < RTL_MIN_IO_SIZE) { + dev_err(&pdev->dev, "Invalid PCI I/O region size(s), aborting\n"); + rc = -ENODEV; + goto err_out; + } + } else { + /* make sure PCI base addr 1 is MMIO */ + if (!(mmio_flags & IORESOURCE_MEM)) { + dev_err(&pdev->dev, "region #1 not an MMIO resource, aborting\n"); + rc = -ENODEV; + goto err_out; + } + if (mmio_len < RTL_MIN_IO_SIZE) { + dev_err(&pdev->dev, "Invalid PCI mem region size(s), aborting\n"); + rc = -ENODEV; + goto err_out; + } + } + + rc = pci_request_regions (pdev, DRV_NAME); + if (rc) + goto err_out; + disable_dev_on_err = 1; + + /* enable PCI bus-mastering */ + pci_set_master (pdev); + + if (use_io) { + ioaddr = pci_iomap(pdev, 0, 0); + if (!ioaddr) { + dev_err(&pdev->dev, "cannot map PIO, aborting\n"); + rc = -EIO; + goto err_out; + } + dev->base_addr = pio_start; + tp->regs_len = pio_len; + } else { + /* ioremap MMIO region */ + ioaddr = pci_iomap(pdev, 1, 0); + if (ioaddr == NULL) { + dev_err(&pdev->dev, "cannot remap MMIO, trying PIO\n"); + pci_release_regions(pdev); + use_io = 1; + goto retry; + } + dev->base_addr = (long) ioaddr; + tp->regs_len = mmio_len; + } + tp->mmio_addr = ioaddr; + + /* Bring old chips out of low-power mode. */ + RTL_W8 (HltClk, 'R'); + + /* check for missing/broken hardware */ + if (RTL_R32 (TxConfig) == 0xFFFFFFFF) { + dev_err(&pdev->dev, "Chip not responding, ignoring board\n"); + rc = -EIO; + goto err_out; + } + + /* identify chip attached to board */ + version = RTL_R32 (TxConfig) & HW_REVID_MASK; + for (i = 0; i < ARRAY_SIZE (rtl_chip_info); i++) + if (version == rtl_chip_info[i].version) { + tp->chipset = i; + goto match; + } + + /* if unknown chip, assume array element #0, original RTL-8139 in this case */ + dev_dbg(&pdev->dev, "unknown chip version, assuming RTL-8139\n"); + dev_dbg(&pdev->dev, "TxConfig = 0x%lx\n", RTL_R32 (TxConfig)); + tp->chipset = 0; + +match: + pr_debug("chipset id (%d) == index %d, '%s'\n", + version, i, rtl_chip_info[i].name); + + if (tp->chipset >= CH_8139B) { + u8 new_tmp8 = tmp8 = RTL_R8 (Config1); + pr_debug("PCI PM wakeup\n"); + if ((rtl_chip_info[tp->chipset].flags & HasLWake) && + (tmp8 & LWAKE)) + new_tmp8 &= ~LWAKE; + new_tmp8 |= Cfg1_PM_Enable; + if (new_tmp8 != tmp8) { + RTL_W8 (Cfg9346, Cfg9346_Unlock); + RTL_W8 (Config1, tmp8); + RTL_W8 (Cfg9346, Cfg9346_Lock); + } + if (rtl_chip_info[tp->chipset].flags & HasLWake) { + tmp8 = RTL_R8 (Config4); + if (tmp8 & LWPTN) { + RTL_W8 (Cfg9346, Cfg9346_Unlock); + RTL_W8 (Config4, tmp8 & ~LWPTN); + RTL_W8 (Cfg9346, Cfg9346_Lock); + } + } + } else { + pr_debug("Old chip wakeup\n"); + tmp8 = RTL_R8 (Config1); + tmp8 &= ~(SLEEP | PWRDN); + RTL_W8 (Config1, tmp8); + } + + rtl8139_chip_reset (ioaddr); + + return dev; + +err_out: + __rtl8139_cleanup_dev (dev); + if (disable_dev_on_err) + pci_disable_device (pdev); + return ERR_PTR(rc); +} + +static const struct net_device_ops rtl8139_netdev_ops = { + .ndo_open = rtl8139_open, + .ndo_stop = rtl8139_close, + .ndo_get_stats = rtl8139_get_stats, + .ndo_change_mtu = eth_change_mtu, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_mac_address = rtl8139_set_mac_address, + .ndo_start_xmit = rtl8139_start_xmit, + .ndo_set_multicast_list = rtl8139_set_rx_mode, + .ndo_do_ioctl = netdev_ioctl, + .ndo_tx_timeout = rtl8139_tx_timeout, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = rtl8139_poll_controller, +#endif +}; + +static int __devinit rtl8139_init_one (struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct net_device *dev = NULL; + struct rtl8139_private *tp; + int i, addr_len, option; + void __iomem *ioaddr; + static int board_idx = -1; + + assert (pdev != NULL); + assert (ent != NULL); + + board_idx++; + + /* when we're built into the kernel, the driver version message + * is only printed if at least one 8139 board has been found + */ +#ifndef MODULE + { + static int printed_version; + if (!printed_version++) + pr_info(RTL8139_DRIVER_NAME "\n"); + } +#endif + + if (pdev->vendor == PCI_VENDOR_ID_REALTEK && + pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pdev->revision >= 0x20) { + dev_info(&pdev->dev, + "This (id %04x:%04x rev %02x) is an enhanced 8139C+ chip, use 8139cp\n", + pdev->vendor, pdev->device, pdev->revision); + return -ENODEV; + } + + if (pdev->vendor == PCI_VENDOR_ID_REALTEK && + pdev->device == PCI_DEVICE_ID_REALTEK_8139 && + pdev->subsystem_vendor == PCI_VENDOR_ID_ATHEROS && + pdev->subsystem_device == PCI_DEVICE_ID_REALTEK_8139) { + pr_info("8139too: OQO Model 2 detected. Forcing PIO\n"); + use_io = 1; + } + + dev = rtl8139_init_board (pdev); + if (IS_ERR(dev)) + return PTR_ERR(dev); + + assert (dev != NULL); + tp = netdev_priv(dev); + tp->dev = dev; + + ioaddr = tp->mmio_addr; + assert (ioaddr != NULL); + + addr_len = read_eeprom (ioaddr, 0, 8) == 0x8129 ? 8 : 6; + for (i = 0; i < 3; i++) + ((__le16 *) (dev->dev_addr))[i] = + cpu_to_le16(read_eeprom (ioaddr, i + 7, addr_len)); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); + + /* The Rtl8139-specific entries in the device structure. */ + dev->netdev_ops = &rtl8139_netdev_ops; + dev->ethtool_ops = &rtl8139_ethtool_ops; + dev->watchdog_timeo = TX_TIMEOUT; + netif_napi_add(dev, &tp->napi, rtl8139_poll, 64); + + /* note: the hardware is not capable of sg/csum/highdma, however + * through the use of skb_copy_and_csum_dev we enable these + * features + */ + dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA; + + dev->irq = pdev->irq; + + /* tp zeroed and aligned in alloc_etherdev */ + tp = netdev_priv(dev); + + /* note: tp->chipset set in rtl8139_init_board */ + tp->drv_flags = board_info[ent->driver_data].hw_flags; + tp->mmio_addr = ioaddr; + tp->msg_enable = + (debug < 0 ? RTL8139_DEF_MSG_ENABLE : ((1 << debug) - 1)); + spin_lock_init (&tp->lock); + spin_lock_init (&tp->rx_lock); + INIT_DELAYED_WORK(&tp->thread, rtl8139_thread); + tp->mii.dev = dev; + tp->mii.mdio_read = mdio_read; + tp->mii.mdio_write = mdio_write; + tp->mii.phy_id_mask = 0x3f; + tp->mii.reg_num_mask = 0x1f; + + /* dev is fully set up and ready to use now */ + // offer device to EtherCAT master module + tp->ecdev = ecdev_offer(dev, ec_poll, THIS_MODULE); + + if (!tp->ecdev) { + pr_debug("about to register device named %s (%p)...\n", dev->name, dev); + i = register_netdev (dev); + if (i) goto err_out; + } + + pci_set_drvdata (pdev, dev); + + pr_info("%s: %s at 0x%lx, %pM, IRQ %d\n", + dev->name, + board_info[ent->driver_data].name, + dev->base_addr, + dev->dev_addr, + dev->irq); + + pr_debug("%s: Identified 8139 chip type '%s'\n", + dev->name, rtl_chip_info[tp->chipset].name); + + /* Find the connected MII xcvrs. + Doing this in open() would allow detecting external xcvrs later, but + takes too much time. */ +#ifdef CONFIG_8139TOO_8129 + if (tp->drv_flags & HAS_MII_XCVR) { + int phy, phy_idx = 0; + for (phy = 0; phy < 32 && phy_idx < sizeof(tp->phys); phy++) { + int mii_status = mdio_read(dev, phy, 1); + if (mii_status != 0xffff && mii_status != 0x0000) { + u16 advertising = mdio_read(dev, phy, 4); + tp->phys[phy_idx++] = phy; + pr_info("%s: MII transceiver %d status 0x%4.4x advertising %4.4x.\n", + dev->name, phy, mii_status, advertising); + } + } + if (phy_idx == 0) { + pr_info("%s: No MII transceivers found! Assuming SYM transceiver.\n", + dev->name); + tp->phys[0] = 32; + } + } else +#endif + tp->phys[0] = 32; + tp->mii.phy_id = tp->phys[0]; + + /* The lower four bits are the media type. */ + option = (board_idx >= MAX_UNITS) ? 0 : media[board_idx]; + if (option > 0) { + tp->mii.full_duplex = (option & 0x210) ? 1 : 0; + tp->default_port = option & 0xFF; + if (tp->default_port) + tp->mii.force_media = 1; + } + if (board_idx < MAX_UNITS && full_duplex[board_idx] > 0) + tp->mii.full_duplex = full_duplex[board_idx]; + if (tp->mii.full_duplex) { + pr_info("%s: Media type forced to Full Duplex.\n", dev->name); + /* Changing the MII-advertised media because might prevent + re-connection. */ + tp->mii.force_media = 1; + } + if (tp->default_port) { + pr_info(" Forcing %dMbps %s-duplex operation.\n", + (option & 0x20 ? 100 : 10), + (option & 0x10 ? "full" : "half")); + mdio_write(dev, tp->phys[0], 0, + ((option & 0x20) ? 0x2000 : 0) | /* 100Mbps? */ + ((option & 0x10) ? 0x0100 : 0)); /* Full duplex? */ + } + + /* Put the chip into low-power mode. */ + if (rtl_chip_info[tp->chipset].flags & HasHltClk) + RTL_W8 (HltClk, 'H'); /* 'R' would leave the clock running. */ + + if (tp->ecdev && ecdev_open(tp->ecdev)) { + ecdev_withdraw(tp->ecdev); + goto err_out; + } + + return 0; + +err_out: + __rtl8139_cleanup_dev (dev); + pci_disable_device (pdev); + return i; +} + + +static void __devexit rtl8139_remove_one (struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata (pdev); + struct rtl8139_private *tp = netdev_priv(dev); + + assert (dev != NULL); + + flush_scheduled_work(); + + if (tp->ecdev) { + ecdev_close(tp->ecdev); + ecdev_withdraw(tp->ecdev); + } + else { + unregister_netdev (dev); + } + + __rtl8139_cleanup_dev (dev); + pci_disable_device (pdev); +} + + +/* Serial EEPROM section. */ + +/* EEPROM_Ctrl bits. */ +#define EE_SHIFT_CLK 0x04 /* EEPROM shift clock. */ +#define EE_CS 0x08 /* EEPROM chip select. */ +#define EE_DATA_WRITE 0x02 /* EEPROM chip data in. */ +#define EE_WRITE_0 0x00 +#define EE_WRITE_1 0x02 +#define EE_DATA_READ 0x01 /* EEPROM chip data out. */ +#define EE_ENB (0x80 | EE_CS) + +/* Delay between EEPROM clock transitions. + No extra delay is needed with 33Mhz PCI, but 66Mhz may change this. + */ + +#define eeprom_delay() (void)RTL_R32(Cfg9346) + +/* The EEPROM commands include the alway-set leading bit. */ +#define EE_WRITE_CMD (5) +#define EE_READ_CMD (6) +#define EE_ERASE_CMD (7) + +static int __devinit read_eeprom (void __iomem *ioaddr, int location, int addr_len) +{ + int i; + unsigned retval = 0; + int read_cmd = location | (EE_READ_CMD << addr_len); + + RTL_W8 (Cfg9346, EE_ENB & ~EE_CS); + RTL_W8 (Cfg9346, EE_ENB); + eeprom_delay (); + + /* Shift the read command bits out. */ + for (i = 4 + addr_len; i >= 0; i--) { + int dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; + RTL_W8 (Cfg9346, EE_ENB | dataval); + eeprom_delay (); + RTL_W8 (Cfg9346, EE_ENB | dataval | EE_SHIFT_CLK); + eeprom_delay (); + } + RTL_W8 (Cfg9346, EE_ENB); + eeprom_delay (); + + for (i = 16; i > 0; i--) { + RTL_W8 (Cfg9346, EE_ENB | EE_SHIFT_CLK); + eeprom_delay (); + retval = + (retval << 1) | ((RTL_R8 (Cfg9346) & EE_DATA_READ) ? 1 : + 0); + RTL_W8 (Cfg9346, EE_ENB); + eeprom_delay (); + } + + /* Terminate the EEPROM access. */ + RTL_W8 (Cfg9346, ~EE_CS); + eeprom_delay (); + + return retval; +} + +/* MII serial management: mostly bogus for now. */ +/* Read and write the MII management registers using software-generated + serial MDIO protocol. + The maximum data clock rate is 2.5 Mhz. The minimum timing is usually + met by back-to-back PCI I/O cycles, but we insert a delay to avoid + "overclocking" issues. */ +#define MDIO_DIR 0x80 +#define MDIO_DATA_OUT 0x04 +#define MDIO_DATA_IN 0x02 +#define MDIO_CLK 0x01 +#define MDIO_WRITE0 (MDIO_DIR) +#define MDIO_WRITE1 (MDIO_DIR | MDIO_DATA_OUT) + +#define mdio_delay() RTL_R8(Config4) + + +static const char mii_2_8139_map[8] = { + BasicModeCtrl, + BasicModeStatus, + 0, + 0, + NWayAdvert, + NWayLPAR, + NWayExpansion, + 0 +}; + + +#ifdef CONFIG_8139TOO_8129 +/* Syncronize the MII management interface by shifting 32 one bits out. */ +static void mdio_sync (void __iomem *ioaddr) +{ + int i; + + for (i = 32; i >= 0; i--) { + RTL_W8 (Config4, MDIO_WRITE1); + mdio_delay (); + RTL_W8 (Config4, MDIO_WRITE1 | MDIO_CLK); + mdio_delay (); + } +} +#endif + +static int mdio_read (struct net_device *dev, int phy_id, int location) +{ + struct rtl8139_private *tp = netdev_priv(dev); + int retval = 0; +#ifdef CONFIG_8139TOO_8129 + void __iomem *ioaddr = tp->mmio_addr; + int mii_cmd = (0xf6 << 10) | (phy_id << 5) | location; + int i; +#endif + + if (phy_id > 31) { /* Really a 8139. Use internal registers. */ + void __iomem *ioaddr = tp->mmio_addr; + return location < 8 && mii_2_8139_map[location] ? + RTL_R16 (mii_2_8139_map[location]) : 0; + } + +#ifdef CONFIG_8139TOO_8129 + mdio_sync (ioaddr); + /* Shift the read command bits out. */ + for (i = 15; i >= 0; i--) { + int dataval = (mii_cmd & (1 << i)) ? MDIO_DATA_OUT : 0; + + RTL_W8 (Config4, MDIO_DIR | dataval); + mdio_delay (); + RTL_W8 (Config4, MDIO_DIR | dataval | MDIO_CLK); + mdio_delay (); + } + + /* Read the two transition, 16 data, and wire-idle bits. */ + for (i = 19; i > 0; i--) { + RTL_W8 (Config4, 0); + mdio_delay (); + retval = (retval << 1) | ((RTL_R8 (Config4) & MDIO_DATA_IN) ? 1 : 0); + RTL_W8 (Config4, MDIO_CLK); + mdio_delay (); + } +#endif + + return (retval >> 1) & 0xffff; +} + + +static void mdio_write (struct net_device *dev, int phy_id, int location, + int value) +{ + struct rtl8139_private *tp = netdev_priv(dev); +#ifdef CONFIG_8139TOO_8129 + void __iomem *ioaddr = tp->mmio_addr; + int mii_cmd = (0x5002 << 16) | (phy_id << 23) | (location << 18) | value; + int i; +#endif + + if (phy_id > 31) { /* Really a 8139. Use internal registers. */ + void __iomem *ioaddr = tp->mmio_addr; + if (location == 0) { + RTL_W8 (Cfg9346, Cfg9346_Unlock); + RTL_W16 (BasicModeCtrl, value); + RTL_W8 (Cfg9346, Cfg9346_Lock); + } else if (location < 8 && mii_2_8139_map[location]) + RTL_W16 (mii_2_8139_map[location], value); + return; + } + +#ifdef CONFIG_8139TOO_8129 + mdio_sync (ioaddr); + + /* Shift the command bits out. */ + for (i = 31; i >= 0; i--) { + int dataval = + (mii_cmd & (1 << i)) ? MDIO_WRITE1 : MDIO_WRITE0; + RTL_W8 (Config4, dataval); + mdio_delay (); + RTL_W8 (Config4, dataval | MDIO_CLK); + mdio_delay (); + } + /* Clear out extra bits. */ + for (i = 2; i > 0; i--) { + RTL_W8 (Config4, 0); + mdio_delay (); + RTL_W8 (Config4, MDIO_CLK); + mdio_delay (); + } +#endif +} + + +static int rtl8139_open (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + int retval; + void __iomem *ioaddr = tp->mmio_addr; + + if (!tp->ecdev) { + retval = request_irq(dev->irq, rtl8139_interrupt, + IRQF_SHARED, dev->name, dev); + if (retval) + return retval; + } + + tp->tx_bufs = dma_alloc_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN, + &tp->tx_bufs_dma, GFP_KERNEL); + tp->rx_ring = dma_alloc_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN, + &tp->rx_ring_dma, GFP_KERNEL); + if (tp->tx_bufs == NULL || tp->rx_ring == NULL) { + if (!tp->ecdev) free_irq(dev->irq, dev); + + if (tp->tx_bufs) + dma_free_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN, + tp->tx_bufs, tp->tx_bufs_dma); + if (tp->rx_ring) + dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN, + tp->rx_ring, tp->rx_ring_dma); + + return -ENOMEM; + + } + + napi_enable(&tp->napi); + + tp->mii.full_duplex = tp->mii.force_media; + tp->tx_flag = (TX_FIFO_THRESH << 11) & 0x003f0000; + + rtl8139_init_ring (dev); + rtl8139_hw_start (dev); + netif_start_queue (dev); + + if (!tp->ecdev) { + if (netif_msg_ifup(tp)) + pr_debug("%s: rtl8139_open() ioaddr %#llx IRQ %d" + " GP Pins %2.2x %s-duplex.\n", dev->name, + (unsigned long long)pci_resource_start (tp->pci_dev, 1), + dev->irq, RTL_R8 (MediaStatus), + tp->mii.full_duplex ? "full" : "half"); + + rtl8139_start_thread(tp); + } + + return 0; +} + + +static void rtl_check_media (struct net_device *dev, unsigned int init_media) +{ + struct rtl8139_private *tp = netdev_priv(dev); + + if (tp->ecdev) { + void __iomem *ioaddr = tp->mmio_addr; + u16 state = RTL_R16(BasicModeStatus) & BMSR_LSTATUS; + ecdev_set_link(tp->ecdev, state ? 1 : 0); + } + else { + if (tp->phys[0] >= 0) { + mii_check_media(&tp->mii, netif_msg_link(tp), init_media); + } + } +} + +/* Start the hardware at open or resume. */ +static void rtl8139_hw_start (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u32 i; + u8 tmp; + + /* Bring old chips out of low-power mode. */ + if (rtl_chip_info[tp->chipset].flags & HasHltClk) + RTL_W8 (HltClk, 'R'); + + rtl8139_chip_reset (ioaddr); + + /* unlock Config[01234] and BMCR register writes */ + RTL_W8_F (Cfg9346, Cfg9346_Unlock); + /* Restore our idea of the MAC address. */ + RTL_W32_F (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0))); + RTL_W32_F (MAC0 + 4, le16_to_cpu (*(__le16 *) (dev->dev_addr + 4))); + + tp->cur_rx = 0; + + /* init Rx ring buffer DMA address */ + RTL_W32_F (RxBuf, tp->rx_ring_dma); + + /* Must enable Tx/Rx before setting transfer thresholds! */ + RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); + + tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys; + RTL_W32 (RxConfig, tp->rx_config); + RTL_W32 (TxConfig, rtl8139_tx_config); + + rtl_check_media (dev, 1); + + if (tp->chipset >= CH_8139B) { + /* Disable magic packet scanning, which is enabled + * when PM is enabled in Config1. It can be reenabled + * via ETHTOOL_SWOL if desired. */ + RTL_W8 (Config3, RTL_R8 (Config3) & ~Cfg3_Magic); + } + + pr_debug("init buffer addresses\n"); + + /* Lock Config[01234] and BMCR register writes */ + RTL_W8 (Cfg9346, Cfg9346_Lock); + + /* init Tx buffer DMA addresses */ + for (i = 0; i < NUM_TX_DESC; i++) + RTL_W32_F (TxAddr0 + (i * 4), tp->tx_bufs_dma + (tp->tx_buf[i] - tp->tx_bufs)); + + RTL_W32 (RxMissed, 0); + + rtl8139_set_rx_mode (dev); + + /* no early-rx interrupts */ + RTL_W16 (MultiIntr, RTL_R16 (MultiIntr) & MultiIntrClear); + + /* make sure RxTx has started */ + tmp = RTL_R8 (ChipCmd); + if ((!(tmp & CmdRxEnb)) || (!(tmp & CmdTxEnb))) + RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); + + if (!tp->ecdev) + /* Enable all known interrupts by setting the interrupt mask. */ + RTL_W16 (IntrMask, rtl8139_intr_mask); +} + + +/* Initialize the Rx and Tx rings, along with various 'dev' bits. */ +static void rtl8139_init_ring (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + int i; + + tp->cur_rx = 0; + tp->cur_tx = 0; + tp->dirty_tx = 0; + + for (i = 0; i < NUM_TX_DESC; i++) + tp->tx_buf[i] = &tp->tx_bufs[i * TX_BUF_SIZE]; +} + + +/* This must be global for CONFIG_8139TOO_TUNE_TWISTER case */ +static int next_tick = 3 * HZ; + +#ifndef CONFIG_8139TOO_TUNE_TWISTER +static inline void rtl8139_tune_twister (struct net_device *dev, + struct rtl8139_private *tp) {} +#else +enum TwisterParamVals { + PARA78_default = 0x78fa8388, + PARA7c_default = 0xcb38de43, /* param[0][3] */ + PARA7c_xxx = 0xcb38de43, +}; + +static const unsigned long param[4][4] = { + {0xcb39de43, 0xcb39ce43, 0xfb38de03, 0xcb38de43}, + {0xcb39de43, 0xcb39ce43, 0xcb39ce83, 0xcb39ce83}, + {0xcb39de43, 0xcb39ce43, 0xcb39ce83, 0xcb39ce83}, + {0xbb39de43, 0xbb39ce43, 0xbb39ce83, 0xbb39ce83} +}; + +static void rtl8139_tune_twister (struct net_device *dev, + struct rtl8139_private *tp) +{ + int linkcase; + void __iomem *ioaddr = tp->mmio_addr; + + /* This is a complicated state machine to configure the "twister" for + impedance/echos based on the cable length. + All of this is magic and undocumented. + */ + switch (tp->twistie) { + case 1: + if (RTL_R16 (CSCR) & CSCR_LinkOKBit) { + /* We have link beat, let us tune the twister. */ + RTL_W16 (CSCR, CSCR_LinkDownOffCmd); + tp->twistie = 2; /* Change to state 2. */ + next_tick = HZ / 10; + } else { + /* Just put in some reasonable defaults for when beat returns. */ + RTL_W16 (CSCR, CSCR_LinkDownCmd); + RTL_W32 (FIFOTMS, 0x20); /* Turn on cable test mode. */ + RTL_W32 (PARA78, PARA78_default); + RTL_W32 (PARA7c, PARA7c_default); + tp->twistie = 0; /* Bail from future actions. */ + } + break; + case 2: + /* Read how long it took to hear the echo. */ + linkcase = RTL_R16 (CSCR) & CSCR_LinkStatusBits; + if (linkcase == 0x7000) + tp->twist_row = 3; + else if (linkcase == 0x3000) + tp->twist_row = 2; + else if (linkcase == 0x1000) + tp->twist_row = 1; + else + tp->twist_row = 0; + tp->twist_col = 0; + tp->twistie = 3; /* Change to state 2. */ + next_tick = HZ / 10; + break; + case 3: + /* Put out four tuning parameters, one per 100msec. */ + if (tp->twist_col == 0) + RTL_W16 (FIFOTMS, 0); + RTL_W32 (PARA7c, param[(int) tp->twist_row] + [(int) tp->twist_col]); + next_tick = HZ / 10; + if (++tp->twist_col >= 4) { + /* For short cables we are done. + For long cables (row == 3) check for mistune. */ + tp->twistie = + (tp->twist_row == 3) ? 4 : 0; + } + break; + case 4: + /* Special case for long cables: check for mistune. */ + if ((RTL_R16 (CSCR) & + CSCR_LinkStatusBits) == 0x7000) { + tp->twistie = 0; + break; + } else { + RTL_W32 (PARA7c, 0xfb38de03); + tp->twistie = 5; + next_tick = HZ / 10; + } + break; + case 5: + /* Retune for shorter cable (column 2). */ + RTL_W32 (FIFOTMS, 0x20); + RTL_W32 (PARA78, PARA78_default); + RTL_W32 (PARA7c, PARA7c_default); + RTL_W32 (FIFOTMS, 0x00); + tp->twist_row = 2; + tp->twist_col = 0; + tp->twistie = 3; + next_tick = HZ / 10; + break; + + default: + /* do nothing */ + break; + } +} +#endif /* CONFIG_8139TOO_TUNE_TWISTER */ + +static inline void rtl8139_thread_iter (struct net_device *dev, + struct rtl8139_private *tp, + void __iomem *ioaddr) +{ + int mii_lpa; + + mii_lpa = mdio_read (dev, tp->phys[0], MII_LPA); + + if (!tp->mii.force_media && mii_lpa != 0xffff) { + int duplex = (mii_lpa & LPA_100FULL) + || (mii_lpa & 0x01C0) == 0x0040; + if (tp->mii.full_duplex != duplex) { + tp->mii.full_duplex = duplex; + + if (mii_lpa) { + pr_info("%s: Setting %s-duplex based on MII #%d link" + " partner ability of %4.4x.\n", + dev->name, + tp->mii.full_duplex ? "full" : "half", + tp->phys[0], mii_lpa); + } else { + pr_info("%s: media is unconnected, link down, or incompatible connection\n", + dev->name); + } +#if 0 + RTL_W8 (Cfg9346, Cfg9346_Unlock); + RTL_W8 (Config1, tp->mii.full_duplex ? 0x60 : 0x20); + RTL_W8 (Cfg9346, Cfg9346_Lock); +#endif + } + } + + next_tick = HZ * 60; + + rtl8139_tune_twister (dev, tp); + + pr_debug("%s: Media selection tick, Link partner %4.4x.\n", + dev->name, RTL_R16 (NWayLPAR)); + pr_debug("%s: Other registers are IntMask %4.4x IntStatus %4.4x\n", + dev->name, RTL_R16 (IntrMask), RTL_R16 (IntrStatus)); + pr_debug("%s: Chip config %2.2x %2.2x.\n", + dev->name, RTL_R8 (Config0), + RTL_R8 (Config1)); +} + +static void rtl8139_thread (struct work_struct *work) +{ + struct rtl8139_private *tp = + container_of(work, struct rtl8139_private, thread.work); + struct net_device *dev = tp->mii.dev; + unsigned long thr_delay = next_tick; + + rtnl_lock(); + + if (!netif_running(dev)) + goto out_unlock; + + if (tp->watchdog_fired) { + tp->watchdog_fired = 0; + rtl8139_tx_timeout_task(work); + } else + rtl8139_thread_iter(dev, tp, tp->mmio_addr); + + if (tp->have_thread) + schedule_delayed_work(&tp->thread, thr_delay); +out_unlock: + rtnl_unlock (); +} + +static void rtl8139_start_thread(struct rtl8139_private *tp) +{ + tp->twistie = 0; + if (tp->chipset == CH_8139_K) + tp->twistie = 1; + else if (tp->drv_flags & HAS_LNK_CHNG) + return; + + tp->have_thread = 1; + tp->watchdog_fired = 0; + + schedule_delayed_work(&tp->thread, next_tick); +} + +static inline void rtl8139_tx_clear (struct rtl8139_private *tp) +{ + tp->cur_tx = 0; + tp->dirty_tx = 0; + + /* XXX account for unsent Tx packets in tp->stats.tx_dropped */ +} + +static void rtl8139_tx_timeout_task (struct work_struct *work) +{ + struct rtl8139_private *tp = + container_of(work, struct rtl8139_private, thread.work); + struct net_device *dev = tp->mii.dev; + void __iomem *ioaddr = tp->mmio_addr; + int i; + u8 tmp8; + + pr_debug("%s: Transmit timeout, status %2.2x %4.4x %4.4x media %2.2x.\n", + dev->name, RTL_R8 (ChipCmd), + RTL_R16(IntrStatus), RTL_R16(IntrMask), RTL_R8(MediaStatus)); + /* Emit info to figure out what went wrong. */ + pr_debug("%s: Tx queue start entry %ld dirty entry %ld.\n", + dev->name, tp->cur_tx, tp->dirty_tx); + for (i = 0; i < NUM_TX_DESC; i++) + pr_debug("%s: Tx descriptor %d is %8.8lx.%s\n", + dev->name, i, RTL_R32 (TxStatus0 + (i * 4)), + i == tp->dirty_tx % NUM_TX_DESC ? + " (queue head)" : ""); + + tp->xstats.tx_timeouts++; + + /* disable Tx ASAP, if not already */ + tmp8 = RTL_R8 (ChipCmd); + if (tmp8 & CmdTxEnb) + RTL_W8 (ChipCmd, CmdRxEnb); + + if (tp->ecdev) { + rtl8139_tx_clear (tp); + rtl8139_hw_start (dev); + } + else { + spin_lock_bh(&tp->rx_lock); + /* Disable interrupts by clearing the interrupt mask. */ + RTL_W16 (IntrMask, 0x0000); + + /* Stop a shared interrupt from scavenging while we are. */ + spin_lock_irq(&tp->lock); + rtl8139_tx_clear (tp); + spin_unlock_irq(&tp->lock); + + /* ...and finally, reset everything */ + if (netif_running(dev)) { + rtl8139_hw_start (dev); + netif_wake_queue (dev); + } + spin_unlock_bh(&tp->rx_lock); + } +} + +static void rtl8139_tx_timeout (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + + tp->watchdog_fired = 1; + if (!tp->ecdev && !tp->have_thread) { + INIT_DELAYED_WORK(&tp->thread, rtl8139_thread); + schedule_delayed_work(&tp->thread, next_tick); + } +} + +static int rtl8139_start_xmit (struct sk_buff *skb, struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned int entry; + unsigned int len = skb->len; + unsigned long flags; + + /* Calculate the next Tx descriptor entry. */ + entry = tp->cur_tx % NUM_TX_DESC; + + /* Note: the chip doesn't have auto-pad! */ + if (likely(len < TX_BUF_SIZE)) { + if (len < ETH_ZLEN) + memset(tp->tx_buf[entry], 0, ETH_ZLEN); + skb_copy_and_csum_dev(skb, tp->tx_buf[entry]); + if (!tp->ecdev) dev_kfree_skb(skb); + } else { + if (!tp->ecdev) dev_kfree_skb(skb); + dev->stats.tx_dropped++; + return 0; + } + + if (tp->ecdev) { + wmb(); + RTL_W32_F (TxStatus0 + (entry * sizeof (u32)), + tp->tx_flag | max(len, (unsigned int)ETH_ZLEN)); + + dev->trans_start = jiffies; + + tp->cur_tx++; + } else { + spin_lock_irqsave(&tp->lock, flags); + /* + * Writing to TxStatus triggers a DMA transfer of the data + * copied to tp->tx_buf[entry] above. Use a memory barrier + * to make sure that the device sees the updated data. + */ + wmb(); + RTL_W32_F (TxStatus0 + (entry * sizeof (u32)), + tp->tx_flag | max(len, (unsigned int)ETH_ZLEN)); + + dev->trans_start = jiffies; + + tp->cur_tx++; + + if ((tp->cur_tx - NUM_TX_DESC) == tp->dirty_tx) + netif_stop_queue (dev); + spin_unlock_irqrestore(&tp->lock, flags); + + if (netif_msg_tx_queued(tp)) + pr_debug("%s: Queued Tx packet size %u to slot %d.\n", + dev->name, len, entry); + } + + return 0; +} + + +static void rtl8139_tx_interrupt (struct net_device *dev, + struct rtl8139_private *tp, + void __iomem *ioaddr) +{ + unsigned long dirty_tx, tx_left; + + assert (dev != NULL); + assert (ioaddr != NULL); + + dirty_tx = tp->dirty_tx; + tx_left = tp->cur_tx - dirty_tx; + while (tx_left > 0) { + int entry = dirty_tx % NUM_TX_DESC; + int txstatus; + + txstatus = RTL_R32 (TxStatus0 + (entry * sizeof (u32))); + + if (!(txstatus & (TxStatOK | TxUnderrun | TxAborted))) + break; /* It still hasn't been Txed */ + + /* Note: TxCarrierLost is always asserted at 100mbps. */ + if (txstatus & (TxOutOfWindow | TxAborted)) { + /* There was an major error, log it. */ + if (netif_msg_tx_err(tp)) + pr_debug("%s: Transmit error, Tx status %8.8x.\n", + dev->name, txstatus); + dev->stats.tx_errors++; + if (txstatus & TxAborted) { + dev->stats.tx_aborted_errors++; + RTL_W32 (TxConfig, TxClearAbt); + RTL_W16 (IntrStatus, TxErr); + wmb(); + } + if (txstatus & TxCarrierLost) + dev->stats.tx_carrier_errors++; + if (txstatus & TxOutOfWindow) + dev->stats.tx_window_errors++; + } else { + if (txstatus & TxUnderrun) { + /* Add 64 to the Tx FIFO threshold. */ + if (tp->tx_flag < 0x00300000) + tp->tx_flag += 0x00020000; + dev->stats.tx_fifo_errors++; + } + dev->stats.collisions += (txstatus >> 24) & 15; + dev->stats.tx_bytes += txstatus & 0x7ff; + dev->stats.tx_packets++; + } + + dirty_tx++; + tx_left--; + } + +#ifndef RTL8139_NDEBUG + if (!tp->ecdev && tp->cur_tx - dirty_tx > NUM_TX_DESC) { + pr_err("%s: Out-of-sync dirty pointer, %ld vs. %ld.\n", + dev->name, dirty_tx, tp->cur_tx); + dirty_tx += NUM_TX_DESC; + } +#endif /* RTL8139_NDEBUG */ + + /* only wake the queue if we did work, and the queue is stopped */ + if (tp->dirty_tx != dirty_tx) { + tp->dirty_tx = dirty_tx; + mb(); + if (!tp->ecdev) netif_wake_queue (dev); + } +} + + +/* TODO: clean this up! Rx reset need not be this intensive */ +static void rtl8139_rx_err (u32 rx_status, struct net_device *dev, + struct rtl8139_private *tp, void __iomem *ioaddr) +{ + u8 tmp8; +#ifdef CONFIG_8139_OLD_RX_RESET + int tmp_work; +#endif + + if (netif_msg_rx_err (tp)) + pr_debug("%s: Ethernet frame had errors, status %8.8x.\n", + dev->name, rx_status); + dev->stats.rx_errors++; + if (!(rx_status & RxStatusOK)) { + if (rx_status & RxTooLong) { + pr_debug("%s: Oversized Ethernet frame, status %4.4x!\n", + dev->name, rx_status); + /* A.C.: The chip hangs here. */ + } + if (rx_status & (RxBadSymbol | RxBadAlign)) + dev->stats.rx_frame_errors++; + if (rx_status & (RxRunt | RxTooLong)) + dev->stats.rx_length_errors++; + if (rx_status & RxCRCErr) + dev->stats.rx_crc_errors++; + } else { + tp->xstats.rx_lost_in_ring++; + } + +#ifndef CONFIG_8139_OLD_RX_RESET + tmp8 = RTL_R8 (ChipCmd); + RTL_W8 (ChipCmd, tmp8 & ~CmdRxEnb); + RTL_W8 (ChipCmd, tmp8); + RTL_W32 (RxConfig, tp->rx_config); + tp->cur_rx = 0; +#else + /* Reset the receiver, based on RealTek recommendation. (Bug?) */ + + /* disable receive */ + RTL_W8_F (ChipCmd, CmdTxEnb); + tmp_work = 200; + while (--tmp_work > 0) { + udelay(1); + tmp8 = RTL_R8 (ChipCmd); + if (!(tmp8 & CmdRxEnb)) + break; + } + if (tmp_work <= 0) + pr_warning(PFX "rx stop wait too long\n"); + /* restart receive */ + tmp_work = 200; + while (--tmp_work > 0) { + RTL_W8_F (ChipCmd, CmdRxEnb | CmdTxEnb); + udelay(1); + tmp8 = RTL_R8 (ChipCmd); + if ((tmp8 & CmdRxEnb) && (tmp8 & CmdTxEnb)) + break; + } + if (tmp_work <= 0) + pr_warning(PFX "tx/rx enable wait too long\n"); + + /* and reinitialize all rx related registers */ + RTL_W8_F (Cfg9346, Cfg9346_Unlock); + /* Must enable Tx/Rx before setting transfer thresholds! */ + RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); + + tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys; + RTL_W32 (RxConfig, tp->rx_config); + tp->cur_rx = 0; + + pr_debug("init buffer addresses\n"); + + /* Lock Config[01234] and BMCR register writes */ + RTL_W8 (Cfg9346, Cfg9346_Lock); + + /* init Rx ring buffer DMA address */ + RTL_W32_F (RxBuf, tp->rx_ring_dma); + + /* A.C.: Reset the multicast list. */ + __set_rx_mode (dev); +#endif +} + +#if RX_BUF_IDX == 3 +static inline void wrap_copy(struct sk_buff *skb, const unsigned char *ring, + u32 offset, unsigned int size) +{ + u32 left = RX_BUF_LEN - offset; + + if (size > left) { + skb_copy_to_linear_data(skb, ring + offset, left); + skb_copy_to_linear_data_offset(skb, left, ring, size - left); + } else + skb_copy_to_linear_data(skb, ring + offset, size); +} +#endif + +static void rtl8139_isr_ack(struct rtl8139_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + u16 status; + + status = RTL_R16 (IntrStatus) & RxAckBits; + + /* Clear out errors and receive interrupts */ + if (likely(status != 0)) { + if (unlikely(status & (RxFIFOOver | RxOverflow))) { + tp->dev->stats.rx_errors++; + if (status & RxFIFOOver) + tp->dev->stats.rx_fifo_errors++; + } + RTL_W16_F (IntrStatus, RxAckBits); + } +} + +static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp, + int budget) +{ + void __iomem *ioaddr = tp->mmio_addr; + int received = 0; + unsigned char *rx_ring = tp->rx_ring; + unsigned int cur_rx = tp->cur_rx; + unsigned int rx_size = 0; + + pr_debug("%s: In rtl8139_rx(), current %4.4x BufAddr %4.4x," + " free to %4.4x, Cmd %2.2x.\n", dev->name, (u16)cur_rx, + RTL_R16 (RxBufAddr), + RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd)); + + while ((tp->ecdev || netif_running(dev)) + && received < budget + && (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) { + u32 ring_offset = cur_rx % RX_BUF_LEN; + u32 rx_status; + unsigned int pkt_size; + struct sk_buff *skb; + + rmb(); + + /* read size+status of next frame from DMA ring buffer */ + rx_status = le32_to_cpu (*(__le32 *) (rx_ring + ring_offset)); + rx_size = rx_status >> 16; + pkt_size = rx_size - 4; + + if (!tp->ecdev) { + if (netif_msg_rx_status(tp)) + pr_debug("%s: rtl8139_rx() status %4.4x, size %4.4x," + " cur %4.4x.\n", dev->name, rx_status, + rx_size, cur_rx); + } +#if RTL8139_DEBUG > 2 + { + int i; + pr_debug("%s: Frame contents ", dev->name); + for (i = 0; i < 70; i++) + pr_cont(" %2.2x", + rx_ring[ring_offset + i]); + pr_cont(".\n"); + } +#endif + + /* Packet copy from FIFO still in progress. + * Theoretically, this should never happen + * since EarlyRx is disabled. + */ + if (unlikely(rx_size == 0xfff0)) { + if (!tp->fifo_copy_timeout) + tp->fifo_copy_timeout = jiffies + 2; + else if (time_after(jiffies, tp->fifo_copy_timeout)) { + pr_debug("%s: hung FIFO. Reset.", dev->name); + rx_size = 0; + goto no_early_rx; + } + if (netif_msg_intr(tp)) { + pr_debug("%s: fifo copy in progress.", + dev->name); + } + tp->xstats.early_rx++; + break; + } + +no_early_rx: + tp->fifo_copy_timeout = 0; + + /* If Rx err or invalid rx_size/rx_status received + * (which happens if we get lost in the ring), + * Rx process gets reset, so we abort any further + * Rx processing. + */ + if (unlikely((rx_size > (MAX_ETH_FRAME_SIZE+4)) || + (rx_size < 8) || + (!(rx_status & RxStatusOK)))) { + rtl8139_rx_err (rx_status, dev, tp, ioaddr); + received = -1; + goto out; + } + + if (tp->ecdev) { + ecdev_receive(tp->ecdev, + &rx_ring[ring_offset + 4], pkt_size); + dev->last_rx = jiffies; + dev->stats.rx_bytes += pkt_size; + dev->stats.rx_packets++; + } else { + /* Malloc up new buffer, compatible with net-2e. */ + /* Omit the four octet CRC from the length. */ + + skb = netdev_alloc_skb(dev, pkt_size + NET_IP_ALIGN); + if (likely(skb)) { + skb_reserve (skb, NET_IP_ALIGN); /* 16 byte align the IP fields. */ +#if RX_BUF_IDX == 3 + wrap_copy(skb, rx_ring, ring_offset+4, pkt_size); +#else + skb_copy_to_linear_data (skb, &rx_ring[ring_offset + 4], pkt_size); +#endif + skb_put (skb, pkt_size); + + skb->protocol = eth_type_trans (skb, dev); + + dev->stats.rx_bytes += pkt_size; + dev->stats.rx_packets++; + + netif_receive_skb (skb); + } else { + if (net_ratelimit()) + pr_warning("%s: Memory squeeze, dropping packet.\n", + dev->name); + dev->stats.rx_dropped++; + } + } + received++; + + cur_rx = (cur_rx + rx_size + 4 + 3) & ~3; + RTL_W16 (RxBufPtr, (u16) (cur_rx - 16)); + + rtl8139_isr_ack(tp); + } + + if (unlikely(!received || rx_size == 0xfff0)) + rtl8139_isr_ack(tp); + + pr_debug("%s: Done rtl8139_rx(), current %4.4x BufAddr %4.4x," + " free to %4.4x, Cmd %2.2x.\n", dev->name, cur_rx, + RTL_R16 (RxBufAddr), + RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd)); + + tp->cur_rx = cur_rx; + + /* + * The receive buffer should be mostly empty. + * Tell NAPI to reenable the Rx irq. + */ + if (tp->fifo_copy_timeout) + received = budget; + +out: + return received; +} + + +static void rtl8139_weird_interrupt (struct net_device *dev, + struct rtl8139_private *tp, + void __iomem *ioaddr, + int status, int link_changed) +{ + pr_debug("%s: Abnormal interrupt, status %8.8x.\n", + dev->name, status); + + assert (dev != NULL); + assert (tp != NULL); + assert (ioaddr != NULL); + + /* Update the error count. */ + dev->stats.rx_missed_errors += RTL_R32 (RxMissed); + RTL_W32 (RxMissed, 0); + + if ((status & RxUnderrun) && link_changed && + (tp->drv_flags & HAS_LNK_CHNG)) { + rtl_check_media(dev, 0); + status &= ~RxUnderrun; + } + + if (status & (RxUnderrun | RxErr)) + dev->stats.rx_errors++; + + if (status & PCSTimeout) + dev->stats.rx_length_errors++; + if (status & RxUnderrun) + dev->stats.rx_fifo_errors++; + if (status & PCIErr) { + u16 pci_cmd_status; + pci_read_config_word (tp->pci_dev, PCI_STATUS, &pci_cmd_status); + pci_write_config_word (tp->pci_dev, PCI_STATUS, pci_cmd_status); + + pr_err("%s: PCI Bus error %4.4x.\n", + dev->name, pci_cmd_status); + } +} + +static int rtl8139_poll(struct napi_struct *napi, int budget) +{ + struct rtl8139_private *tp = container_of(napi, struct rtl8139_private, napi); + struct net_device *dev = tp->dev; + void __iomem *ioaddr = tp->mmio_addr; + int work_done; + + spin_lock(&tp->rx_lock); + work_done = 0; + if (likely(RTL_R16(IntrStatus) & RxAckBits)) + work_done += rtl8139_rx(dev, tp, budget); + + if (work_done < budget) { + unsigned long flags; + /* + * Order is important since data can get interrupted + * again when we think we are done. + */ + spin_lock_irqsave(&tp->lock, flags); + RTL_W16_F(IntrMask, rtl8139_intr_mask); + __napi_complete(napi); + spin_unlock_irqrestore(&tp->lock, flags); + } + spin_unlock(&tp->rx_lock); + + return work_done; +} + +void ec_poll(struct net_device *dev) +{ + rtl8139_interrupt(0, dev); +} + +/* The interrupt handler does all of the Rx thread work and cleans up + after the Tx thread. */ +static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance) +{ + struct net_device *dev = (struct net_device *) dev_instance; + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u16 status, ackstat; + int link_changed = 0; /* avoid bogus "uninit" warning */ + int handled = 0; + + if (tp->ecdev) { + status = RTL_R16 (IntrStatus); + } + else { + spin_lock (&tp->lock); + status = RTL_R16 (IntrStatus); + + /* shared irq? */ + if (unlikely((status & rtl8139_intr_mask) == 0)) + goto out; + } + + handled = 1; + + /* h/w no longer present (hotplug?) or major error, bail */ + if (unlikely(status == 0xFFFF)) + goto out; + + if (!tp->ecdev) { + /* close possible race's with dev_close */ + if (unlikely(!netif_running(dev))) { + RTL_W16 (IntrMask, 0); + goto out; + } + } + + /* Acknowledge all of the current interrupt sources ASAP, but + an first get an additional status bit from CSCR. */ + if (unlikely(status & RxUnderrun)) + link_changed = RTL_R16 (CSCR) & CSCR_LinkChangeBit; + + ackstat = status & ~(RxAckBits | TxErr); + if (ackstat) + RTL_W16 (IntrStatus, ackstat); + + /* Receive packets are processed by poll routine. + If not running start it now. */ + if (status & RxAckBits){ + if (tp->ecdev) { + /* EtherCAT device: Just receive all frames */ + rtl8139_rx(dev, tp, 100); // FIXME + } else { + /* Mark for polling */ + if (napi_schedule_prep(&tp->napi)) { + RTL_W16_F (IntrMask, rtl8139_norx_intr_mask); + __napi_schedule(&tp->napi); + } + } + } + + /* Check uncommon events with one test. */ + if (unlikely(status & (PCIErr | PCSTimeout | RxUnderrun | RxErr))) + rtl8139_weird_interrupt (dev, tp, ioaddr, + status, link_changed); + + if (status & (TxOK | TxErr)) { + rtl8139_tx_interrupt (dev, tp, ioaddr); + if (status & TxErr) + RTL_W16 (IntrStatus, TxErr); + } + out: + if (!tp->ecdev) spin_unlock (&tp->lock); + + pr_debug("%s: exiting interrupt, intr_status=%#4.4x.\n", + dev->name, RTL_R16 (IntrStatus)); + return IRQ_RETVAL(handled); +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling receive - used by netconsole and other diagnostic tools + * to allow network i/o with interrupts disabled. + */ +static void rtl8139_poll_controller(struct net_device *dev) +{ + disable_irq(dev->irq); + rtl8139_interrupt(dev->irq, dev); + enable_irq(dev->irq); +} +#endif + +static int rtl8139_set_mac_address(struct net_device *dev, void *p) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + struct sockaddr *addr = p; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + + spin_lock_irq(&tp->lock); + + RTL_W8_F(Cfg9346, Cfg9346_Unlock); + RTL_W32_F(MAC0 + 0, cpu_to_le32 (*(u32 *) (dev->dev_addr + 0))); + RTL_W32_F(MAC0 + 4, cpu_to_le32 (*(u32 *) (dev->dev_addr + 4))); + RTL_W8_F(Cfg9346, Cfg9346_Lock); + + spin_unlock_irq(&tp->lock); + + return 0; +} + +static int rtl8139_close (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + + if (tp->ecdev) { + /* Stop the chip's Tx and Rx DMA processes. */ + RTL_W8 (ChipCmd, 0); + + /* Disable interrupts by clearing the interrupt mask. */ + RTL_W16 (IntrMask, 0); + + /* Update the error counts. */ + dev->stats.rx_missed_errors += RTL_R32 (RxMissed); + RTL_W32 (RxMissed, 0); + } else { + netif_stop_queue(dev); + napi_disable(&tp->napi); + + if (netif_msg_ifdown(tp)) + pr_debug("%s: Shutting down ethercard, status was 0x%4.4x.\n", + dev->name, RTL_R16 (IntrStatus)); + + spin_lock_irqsave (&tp->lock, flags); + + /* Stop the chip's Tx and Rx DMA processes. */ + RTL_W8 (ChipCmd, 0); + + /* Disable interrupts by clearing the interrupt mask. */ + RTL_W16 (IntrMask, 0); + + /* Update the error counts. */ + dev->stats.rx_missed_errors += RTL_R32 (RxMissed); + RTL_W32 (RxMissed, 0); + + spin_unlock_irqrestore (&tp->lock, flags); + + free_irq (dev->irq, dev); + } + + rtl8139_tx_clear (tp); + + dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN, + tp->rx_ring, tp->rx_ring_dma); + dma_free_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN, + tp->tx_bufs, tp->tx_bufs_dma); + tp->rx_ring = NULL; + tp->tx_bufs = NULL; + + /* Green! Put the chip in low-power mode. */ + RTL_W8 (Cfg9346, Cfg9346_Unlock); + + if (rtl_chip_info[tp->chipset].flags & HasHltClk) + RTL_W8 (HltClk, 'H'); /* 'R' would leave the clock running. */ + + return 0; +} + + +/* Get the ethtool Wake-on-LAN settings. Assumes that wol points to + kernel memory, *wol has been initialized as {ETHTOOL_GWOL}, and + other threads or interrupts aren't messing with the 8139. */ +static void rtl8139_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + spin_lock_irq(&tp->lock); + if (rtl_chip_info[tp->chipset].flags & HasLWake) { + u8 cfg3 = RTL_R8 (Config3); + u8 cfg5 = RTL_R8 (Config5); + + wol->supported = WAKE_PHY | WAKE_MAGIC + | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST; + + wol->wolopts = 0; + if (cfg3 & Cfg3_LinkUp) + wol->wolopts |= WAKE_PHY; + if (cfg3 & Cfg3_Magic) + wol->wolopts |= WAKE_MAGIC; + /* (KON)FIXME: See how netdev_set_wol() handles the + following constants. */ + if (cfg5 & Cfg5_UWF) + wol->wolopts |= WAKE_UCAST; + if (cfg5 & Cfg5_MWF) + wol->wolopts |= WAKE_MCAST; + if (cfg5 & Cfg5_BWF) + wol->wolopts |= WAKE_BCAST; + } + spin_unlock_irq(&tp->lock); +} + + +/* Set the ethtool Wake-on-LAN settings. Return 0 or -errno. Assumes + that wol points to kernel memory and other threads or interrupts + aren't messing with the 8139. */ +static int rtl8139_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u32 support; + u8 cfg3, cfg5; + + support = ((rtl_chip_info[tp->chipset].flags & HasLWake) + ? (WAKE_PHY | WAKE_MAGIC + | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST) + : 0); + if (wol->wolopts & ~support) + return -EINVAL; + + spin_lock_irq(&tp->lock); + cfg3 = RTL_R8 (Config3) & ~(Cfg3_LinkUp | Cfg3_Magic); + if (wol->wolopts & WAKE_PHY) + cfg3 |= Cfg3_LinkUp; + if (wol->wolopts & WAKE_MAGIC) + cfg3 |= Cfg3_Magic; + RTL_W8 (Cfg9346, Cfg9346_Unlock); + RTL_W8 (Config3, cfg3); + RTL_W8 (Cfg9346, Cfg9346_Lock); + + cfg5 = RTL_R8 (Config5) & ~(Cfg5_UWF | Cfg5_MWF | Cfg5_BWF); + /* (KON)FIXME: These are untested. We may have to set the + CRC0, Wakeup0 and LSBCRC0 registers too, but I have no + documentation. */ + if (wol->wolopts & WAKE_UCAST) + cfg5 |= Cfg5_UWF; + if (wol->wolopts & WAKE_MCAST) + cfg5 |= Cfg5_MWF; + if (wol->wolopts & WAKE_BCAST) + cfg5 |= Cfg5_BWF; + RTL_W8 (Config5, cfg5); /* need not unlock via Cfg9346 */ + spin_unlock_irq(&tp->lock); + + return 0; +} + +static void rtl8139_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) +{ + struct rtl8139_private *tp = netdev_priv(dev); + strcpy(info->driver, DRV_NAME); + strcpy(info->version, DRV_VERSION); + strcpy(info->bus_info, pci_name(tp->pci_dev)); + info->regdump_len = tp->regs_len; +} + +static int rtl8139_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct rtl8139_private *tp = netdev_priv(dev); + spin_lock_irq(&tp->lock); + mii_ethtool_gset(&tp->mii, cmd); + spin_unlock_irq(&tp->lock); + return 0; +} + +static int rtl8139_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct rtl8139_private *tp = netdev_priv(dev); + int rc; + spin_lock_irq(&tp->lock); + rc = mii_ethtool_sset(&tp->mii, cmd); + spin_unlock_irq(&tp->lock); + return rc; +} + +static int rtl8139_nway_reset(struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + return mii_nway_restart(&tp->mii); +} + +static u32 rtl8139_get_link(struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + return mii_link_ok(&tp->mii); +} + +static u32 rtl8139_get_msglevel(struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + return tp->msg_enable; +} + +static void rtl8139_set_msglevel(struct net_device *dev, u32 datum) +{ + struct rtl8139_private *tp = netdev_priv(dev); + tp->msg_enable = datum; +} + +static int rtl8139_get_regs_len(struct net_device *dev) +{ + struct rtl8139_private *tp; + /* TODO: we are too slack to do reg dumping for pio, for now */ + if (use_io) + return 0; + tp = netdev_priv(dev); + return tp->regs_len; +} + +static void rtl8139_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf) +{ + struct rtl8139_private *tp; + + /* TODO: we are too slack to do reg dumping for pio, for now */ + if (use_io) + return; + tp = netdev_priv(dev); + + regs->version = RTL_REGS_VER; + + spin_lock_irq(&tp->lock); + memcpy_fromio(regbuf, tp->mmio_addr, regs->len); + spin_unlock_irq(&tp->lock); +} + +static int rtl8139_get_sset_count(struct net_device *dev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return RTL_NUM_STATS; + default: + return -EOPNOTSUPP; + } +} + +static void rtl8139_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data) +{ + struct rtl8139_private *tp = netdev_priv(dev); + + data[0] = tp->xstats.early_rx; + data[1] = tp->xstats.tx_buf_mapped; + data[2] = tp->xstats.tx_timeouts; + data[3] = tp->xstats.rx_lost_in_ring; +} + +static void rtl8139_get_strings(struct net_device *dev, u32 stringset, u8 *data) +{ + memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys)); +} + +static const struct ethtool_ops rtl8139_ethtool_ops = { + .get_drvinfo = rtl8139_get_drvinfo, + .get_settings = rtl8139_get_settings, + .set_settings = rtl8139_set_settings, + .get_regs_len = rtl8139_get_regs_len, + .get_regs = rtl8139_get_regs, + .nway_reset = rtl8139_nway_reset, + .get_link = rtl8139_get_link, + .get_msglevel = rtl8139_get_msglevel, + .set_msglevel = rtl8139_set_msglevel, + .get_wol = rtl8139_get_wol, + .set_wol = rtl8139_set_wol, + .get_strings = rtl8139_get_strings, + .get_sset_count = rtl8139_get_sset_count, + .get_ethtool_stats = rtl8139_get_ethtool_stats, +}; + +static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +{ + struct rtl8139_private *tp = netdev_priv(dev); + int rc; + + if (tp->ecdev || !netif_running(dev)) + return -EINVAL; + + spin_lock_irq(&tp->lock); + rc = generic_mii_ioctl(&tp->mii, if_mii(rq), cmd, NULL); + spin_unlock_irq(&tp->lock); + + return rc; +} + + +static struct net_device_stats *rtl8139_get_stats (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + + if (tp->ecdev || netif_running(dev)) { + spin_lock_irqsave (&tp->lock, flags); + dev->stats.rx_missed_errors += RTL_R32 (RxMissed); + RTL_W32 (RxMissed, 0); + spin_unlock_irqrestore (&tp->lock, flags); + } + + return &dev->stats; +} + +/* Set or clear the multicast filter for this adaptor. + This routine is not state sensitive and need not be SMP locked. */ + +static void __set_rx_mode (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u32 mc_filter[2]; /* Multicast hash filter */ + int i, rx_mode; + u32 tmp; + + pr_debug("%s: rtl8139_set_rx_mode(%4.4x) done -- Rx config %8.8lx.\n", + dev->name, dev->flags, RTL_R32 (RxConfig)); + + /* Note: do not reorder, GCC is clever about common statements. */ + if (dev->flags & IFF_PROMISC) { + rx_mode = + AcceptBroadcast | AcceptMulticast | AcceptMyPhys | + AcceptAllPhys; + mc_filter[1] = mc_filter[0] = 0xffffffff; + } else if ((dev->mc_count > multicast_filter_limit) + || (dev->flags & IFF_ALLMULTI)) { + /* Too many to filter perfectly -- accept all multicasts. */ + rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys; + mc_filter[1] = mc_filter[0] = 0xffffffff; + } else { + struct dev_mc_list *mclist; + rx_mode = AcceptBroadcast | AcceptMyPhys; + mc_filter[1] = mc_filter[0] = 0; + for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; + i++, mclist = mclist->next) { + int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26; + + mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); + rx_mode |= AcceptMulticast; + } + } + + /* We can safely update without stopping the chip. */ + tmp = rtl8139_rx_config | rx_mode; + if (tp->rx_config != tmp) { + RTL_W32_F (RxConfig, tmp); + tp->rx_config = tmp; + } + RTL_W32_F (MAR0 + 0, mc_filter[0]); + RTL_W32_F (MAR0 + 4, mc_filter[1]); +} + +static void rtl8139_set_rx_mode (struct net_device *dev) +{ + unsigned long flags; + struct rtl8139_private *tp = netdev_priv(dev); + + spin_lock_irqsave (&tp->lock, flags); + __set_rx_mode(dev); + spin_unlock_irqrestore (&tp->lock, flags); +} + +#ifdef CONFIG_PM + +static int rtl8139_suspend (struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *dev = pci_get_drvdata (pdev); + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + + pci_save_state (pdev); + + if (tp->ecdev || !netif_running (dev)) + return 0; + + netif_device_detach (dev); + + spin_lock_irqsave (&tp->lock, flags); + + /* Disable interrupts, stop Tx and Rx. */ + RTL_W16 (IntrMask, 0); + RTL_W8 (ChipCmd, 0); + + /* Update the error counts. */ + dev->stats.rx_missed_errors += RTL_R32 (RxMissed); + RTL_W32 (RxMissed, 0); + + spin_unlock_irqrestore (&tp->lock, flags); + + pci_set_power_state (pdev, PCI_D3hot); + + return 0; +} + + +static int rtl8139_resume (struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata (pdev); + struct rtl8139_private *tp = netdev_priv(dev); + + pci_restore_state (pdev); + if (tp->ecdev || !netif_running (dev)) + return 0; + pci_set_power_state (pdev, PCI_D0); + rtl8139_init_ring (dev); + rtl8139_hw_start (dev); + netif_device_attach (dev); + return 0; +} + +#endif /* CONFIG_PM */ + + +static struct pci_driver rtl8139_pci_driver = { + .name = DRV_NAME, + .id_table = rtl8139_pci_tbl, + .probe = rtl8139_init_one, + .remove = __devexit_p(rtl8139_remove_one), +#ifdef CONFIG_PM + .suspend = rtl8139_suspend, + .resume = rtl8139_resume, +#endif /* CONFIG_PM */ +}; + + +static int __init rtl8139_init_module (void) +{ + /* when we're a module, we always print a version message, + * even if no 8139 board is found. + */ +#ifdef MODULE + pr_info(RTL8139_DRIVER_NAME "\n"); +#endif + + return pci_register_driver(&rtl8139_pci_driver); +} + + +static void __exit rtl8139_cleanup_module (void) +{ + pci_unregister_driver (&rtl8139_pci_driver); +} + + +module_init(rtl8139_init_module); +module_exit(rtl8139_cleanup_module); diff -r 87de63b19e4c -r 04fdb4abf120 devices/8139too-2.6.34-orig.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/devices/8139too-2.6.34-orig.c Mon Dec 20 17:52:37 2010 +0100 @@ -0,0 +1,2620 @@ +/* + + 8139too.c: A RealTek RTL-8139 Fast Ethernet driver for Linux. + + Maintained by Jeff Garzik + Copyright 2000-2002 Jeff Garzik + + Much code comes from Donald Becker's rtl8139.c driver, + versions 1.13 and older. This driver was originally based + on rtl8139.c version 1.07. Header of rtl8139.c version 1.13: + + ---------- + + Written 1997-2001 by Donald Becker. + This software may be used and distributed according to the + terms of the GNU General Public License (GPL), incorporated + herein by reference. Drivers based on or derived from this + code fall under the GPL and must retain the authorship, + copyright and license notice. This file is not a complete + program and may only be used when the entire operating + system is licensed under the GPL. + + This driver is for boards based on the RTL8129 and RTL8139 + PCI ethernet chips. + + The author may be reached as becker@scyld.com, or C/O Scyld + Computing Corporation 410 Severn Ave., Suite 210 Annapolis + MD 21403 + + Support and updates available at + http://www.scyld.com/network/rtl8139.html + + Twister-tuning table provided by Kinston + . + + ---------- + + This software may be used and distributed according to the terms + of the GNU General Public License, incorporated herein by reference. + + Contributors: + + Donald Becker - he wrote the original driver, kudos to him! + (but please don't e-mail him for support, this isn't his driver) + + Tigran Aivazian - bug fixes, skbuff free cleanup + + Martin Mares - suggestions for PCI cleanup + + David S. Miller - PCI DMA and softnet updates + + Ernst Gill - fixes ported from BSD driver + + Daniel Kobras - identified specific locations of + posted MMIO write bugginess + + Gerard Sharp - bug fix, testing and feedback + + David Ford - Rx ring wrap fix + + Dan DeMaggio - swapped RTL8139 cards with me, and allowed me + to find and fix a crucial bug on older chipsets. + + Donald Becker/Chris Butterworth/Marcus Westergren - + Noticed various Rx packet size-related buglets. + + Santiago Garcia Mantinan - testing and feedback + + Jens David - 2.2.x kernel backports + + Martin Dennett - incredibly helpful insight on undocumented + features of the 8139 chips + + Jean-Jacques Michel - bug fix + + Tobias Ringström - Rx interrupt status checking suggestion + + Andrew Morton - Clear blocked signals, avoid + buffer overrun setting current->comm. + + Kalle Olavi Niemitalo - Wake-on-LAN ioctls + + Robert Kuebel - Save kernel thread from dying on any signal. + + Submitting bug reports: + + "rtl8139-diag -mmmaaavvveefN" output + enable RTL8139_DEBUG below, and look at 'dmesg' or kernel log + +*/ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#define DRV_NAME "8139too" +#define DRV_VERSION "0.9.28" + + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define RTL8139_DRIVER_NAME DRV_NAME " Fast Ethernet driver " DRV_VERSION + +/* Default Message level */ +#define RTL8139_DEF_MSG_ENABLE (NETIF_MSG_DRV | \ + NETIF_MSG_PROBE | \ + NETIF_MSG_LINK) + + +/* define to 1, 2 or 3 to enable copious debugging info */ +#define RTL8139_DEBUG 0 + +/* define to 1 to disable lightweight runtime debugging checks */ +#undef RTL8139_NDEBUG + + +#ifdef RTL8139_NDEBUG +# define assert(expr) do {} while (0) +#else +# define assert(expr) \ + if (unlikely(!(expr))) { \ + pr_err("Assertion failed! %s,%s,%s,line=%d\n", \ + #expr, __FILE__, __func__, __LINE__); \ + } +#endif + + +/* A few user-configurable values. */ +/* media options */ +#define MAX_UNITS 8 +static int media[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1}; +static int full_duplex[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1}; + +/* Whether to use MMIO or PIO. Default to MMIO. */ +#ifdef CONFIG_8139TOO_PIO +static int use_io = 1; +#else +static int use_io = 0; +#endif + +/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). + The RTL chips use a 64 element hash table based on the Ethernet CRC. */ +static int multicast_filter_limit = 32; + +/* bitmapped message enable number */ +static int debug = -1; + +/* + * Receive ring size + * Warning: 64K ring has hardware issues and may lock up. + */ +#if defined(CONFIG_SH_DREAMCAST) +#define RX_BUF_IDX 0 /* 8K ring */ +#else +#define RX_BUF_IDX 2 /* 32K ring */ +#endif +#define RX_BUF_LEN (8192 << RX_BUF_IDX) +#define RX_BUF_PAD 16 +#define RX_BUF_WRAP_PAD 2048 /* spare padding to handle lack of packet wrap */ + +#if RX_BUF_LEN == 65536 +#define RX_BUF_TOT_LEN RX_BUF_LEN +#else +#define RX_BUF_TOT_LEN (RX_BUF_LEN + RX_BUF_PAD + RX_BUF_WRAP_PAD) +#endif + +/* Number of Tx descriptor registers. */ +#define NUM_TX_DESC 4 + +/* max supported ethernet frame size -- must be at least (dev->mtu+14+4).*/ +#define MAX_ETH_FRAME_SIZE 1536 + +/* Size of the Tx bounce buffers -- must be at least (dev->mtu+14+4). */ +#define TX_BUF_SIZE MAX_ETH_FRAME_SIZE +#define TX_BUF_TOT_LEN (TX_BUF_SIZE * NUM_TX_DESC) + +/* PCI Tuning Parameters + Threshold is bytes transferred to chip before transmission starts. */ +#define TX_FIFO_THRESH 256 /* In bytes, rounded down to 32 byte units. */ + +/* The following settings are log_2(bytes)-4: 0 == 16 bytes .. 6==1024, 7==end of packet. */ +#define RX_FIFO_THRESH 7 /* Rx buffer level before first PCI xfer. */ +#define RX_DMA_BURST 7 /* Maximum PCI burst, '6' is 1024 */ +#define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ +#define TX_RETRY 8 /* 0-15. retries = 16 + (TX_RETRY * 16) */ + +/* Operational parameters that usually are not changed. */ +/* Time in jiffies before concluding the transmitter is hung. */ +#define TX_TIMEOUT (6*HZ) + + +enum { + HAS_MII_XCVR = 0x010000, + HAS_CHIP_XCVR = 0x020000, + HAS_LNK_CHNG = 0x040000, +}; + +#define RTL_NUM_STATS 4 /* number of ETHTOOL_GSTATS u64's */ +#define RTL_REGS_VER 1 /* version of reg. data in ETHTOOL_GREGS */ +#define RTL_MIN_IO_SIZE 0x80 +#define RTL8139B_IO_SIZE 256 + +#define RTL8129_CAPS HAS_MII_XCVR +#define RTL8139_CAPS (HAS_CHIP_XCVR|HAS_LNK_CHNG) + +typedef enum { + RTL8139 = 0, + RTL8129, +} board_t; + + +/* indexed by board_t, above */ +static const struct { + const char *name; + u32 hw_flags; +} board_info[] __devinitdata = { + { "RealTek RTL8139", RTL8139_CAPS }, + { "RealTek RTL8129", RTL8129_CAPS }, +}; + + +static DEFINE_PCI_DEVICE_TABLE(rtl8139_pci_tbl) = { + {0x10ec, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x10ec, 0x8138, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1113, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1500, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x4033, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1186, 0x1300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1186, 0x1340, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x13d1, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1259, 0xa117, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1259, 0xa11e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x14ea, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x14ea, 0xab07, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x11db, 0x1234, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1432, 0x9130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x02ac, 0x1012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x018a, 0x0106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x126c, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x1743, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x021b, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + +#ifdef CONFIG_SH_SECUREEDGE5410 + /* Bogus 8139 silicon reports 8129 without external PROM :-( */ + {0x10ec, 0x8129, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, +#endif +#ifdef CONFIG_8139TOO_8129 + {0x10ec, 0x8129, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8129 }, +#endif + + /* some crazy cards report invalid vendor ids like + * 0x0001 here. The other ids are valid and constant, + * so we simply don't match on the main vendor id. + */ + {PCI_ANY_ID, 0x8139, 0x10ec, 0x8139, 0, 0, RTL8139 }, + {PCI_ANY_ID, 0x8139, 0x1186, 0x1300, 0, 0, RTL8139 }, + {PCI_ANY_ID, 0x8139, 0x13d1, 0xab06, 0, 0, RTL8139 }, + + {0,} +}; +MODULE_DEVICE_TABLE (pci, rtl8139_pci_tbl); + +static struct { + const char str[ETH_GSTRING_LEN]; +} ethtool_stats_keys[] = { + { "early_rx" }, + { "tx_buf_mapped" }, + { "tx_timeouts" }, + { "rx_lost_in_ring" }, +}; + +/* The rest of these values should never change. */ + +/* Symbolic offsets to registers. */ +enum RTL8139_registers { + MAC0 = 0, /* Ethernet hardware address. */ + MAR0 = 8, /* Multicast filter. */ + TxStatus0 = 0x10, /* Transmit status (Four 32bit registers). */ + TxAddr0 = 0x20, /* Tx descriptors (also four 32bit). */ + RxBuf = 0x30, + ChipCmd = 0x37, + RxBufPtr = 0x38, + RxBufAddr = 0x3A, + IntrMask = 0x3C, + IntrStatus = 0x3E, + TxConfig = 0x40, + RxConfig = 0x44, + Timer = 0x48, /* A general-purpose counter. */ + RxMissed = 0x4C, /* 24 bits valid, write clears. */ + Cfg9346 = 0x50, + Config0 = 0x51, + Config1 = 0x52, + TimerInt = 0x54, + MediaStatus = 0x58, + Config3 = 0x59, + Config4 = 0x5A, /* absent on RTL-8139A */ + HltClk = 0x5B, + MultiIntr = 0x5C, + TxSummary = 0x60, + BasicModeCtrl = 0x62, + BasicModeStatus = 0x64, + NWayAdvert = 0x66, + NWayLPAR = 0x68, + NWayExpansion = 0x6A, + /* Undocumented registers, but required for proper operation. */ + FIFOTMS = 0x70, /* FIFO Control and test. */ + CSCR = 0x74, /* Chip Status and Configuration Register. */ + PARA78 = 0x78, + FlashReg = 0xD4, /* Communication with Flash ROM, four bytes. */ + PARA7c = 0x7c, /* Magic transceiver parameter register. */ + Config5 = 0xD8, /* absent on RTL-8139A */ +}; + +enum ClearBitMasks { + MultiIntrClear = 0xF000, + ChipCmdClear = 0xE2, + Config1Clear = (1<<7)|(1<<6)|(1<<3)|(1<<2)|(1<<1), +}; + +enum ChipCmdBits { + CmdReset = 0x10, + CmdRxEnb = 0x08, + CmdTxEnb = 0x04, + RxBufEmpty = 0x01, +}; + +/* Interrupt register bits, using my own meaningful names. */ +enum IntrStatusBits { + PCIErr = 0x8000, + PCSTimeout = 0x4000, + RxFIFOOver = 0x40, + RxUnderrun = 0x20, + RxOverflow = 0x10, + TxErr = 0x08, + TxOK = 0x04, + RxErr = 0x02, + RxOK = 0x01, + + RxAckBits = RxFIFOOver | RxOverflow | RxOK, +}; + +enum TxStatusBits { + TxHostOwns = 0x2000, + TxUnderrun = 0x4000, + TxStatOK = 0x8000, + TxOutOfWindow = 0x20000000, + TxAborted = 0x40000000, + TxCarrierLost = 0x80000000, +}; +enum RxStatusBits { + RxMulticast = 0x8000, + RxPhysical = 0x4000, + RxBroadcast = 0x2000, + RxBadSymbol = 0x0020, + RxRunt = 0x0010, + RxTooLong = 0x0008, + RxCRCErr = 0x0004, + RxBadAlign = 0x0002, + RxStatusOK = 0x0001, +}; + +/* Bits in RxConfig. */ +enum rx_mode_bits { + AcceptErr = 0x20, + AcceptRunt = 0x10, + AcceptBroadcast = 0x08, + AcceptMulticast = 0x04, + AcceptMyPhys = 0x02, + AcceptAllPhys = 0x01, +}; + +/* Bits in TxConfig. */ +enum tx_config_bits { + /* Interframe Gap Time. Only TxIFG96 doesn't violate IEEE 802.3 */ + TxIFGShift = 24, + TxIFG84 = (0 << TxIFGShift), /* 8.4us / 840ns (10 / 100Mbps) */ + TxIFG88 = (1 << TxIFGShift), /* 8.8us / 880ns (10 / 100Mbps) */ + TxIFG92 = (2 << TxIFGShift), /* 9.2us / 920ns (10 / 100Mbps) */ + TxIFG96 = (3 << TxIFGShift), /* 9.6us / 960ns (10 / 100Mbps) */ + + TxLoopBack = (1 << 18) | (1 << 17), /* enable loopback test mode */ + TxCRC = (1 << 16), /* DISABLE Tx pkt CRC append */ + TxClearAbt = (1 << 0), /* Clear abort (WO) */ + TxDMAShift = 8, /* DMA burst value (0-7) is shifted X many bits */ + TxRetryShift = 4, /* TXRR value (0-15) is shifted X many bits */ + + TxVersionMask = 0x7C800000, /* mask out version bits 30-26, 23 */ +}; + +/* Bits in Config1 */ +enum Config1Bits { + Cfg1_PM_Enable = 0x01, + Cfg1_VPD_Enable = 0x02, + Cfg1_PIO = 0x04, + Cfg1_MMIO = 0x08, + LWAKE = 0x10, /* not on 8139, 8139A */ + Cfg1_Driver_Load = 0x20, + Cfg1_LED0 = 0x40, + Cfg1_LED1 = 0x80, + SLEEP = (1 << 1), /* only on 8139, 8139A */ + PWRDN = (1 << 0), /* only on 8139, 8139A */ +}; + +/* Bits in Config3 */ +enum Config3Bits { + Cfg3_FBtBEn = (1 << 0), /* 1 = Fast Back to Back */ + Cfg3_FuncRegEn = (1 << 1), /* 1 = enable CardBus Function registers */ + Cfg3_CLKRUN_En = (1 << 2), /* 1 = enable CLKRUN */ + Cfg3_CardB_En = (1 << 3), /* 1 = enable CardBus registers */ + Cfg3_LinkUp = (1 << 4), /* 1 = wake up on link up */ + Cfg3_Magic = (1 << 5), /* 1 = wake up on Magic Packet (tm) */ + Cfg3_PARM_En = (1 << 6), /* 0 = software can set twister parameters */ + Cfg3_GNTSel = (1 << 7), /* 1 = delay 1 clock from PCI GNT signal */ +}; + +/* Bits in Config4 */ +enum Config4Bits { + LWPTN = (1 << 2), /* not on 8139, 8139A */ +}; + +/* Bits in Config5 */ +enum Config5Bits { + Cfg5_PME_STS = (1 << 0), /* 1 = PCI reset resets PME_Status */ + Cfg5_LANWake = (1 << 1), /* 1 = enable LANWake signal */ + Cfg5_LDPS = (1 << 2), /* 0 = save power when link is down */ + Cfg5_FIFOAddrPtr= (1 << 3), /* Realtek internal SRAM testing */ + Cfg5_UWF = (1 << 4), /* 1 = accept unicast wakeup frame */ + Cfg5_MWF = (1 << 5), /* 1 = accept multicast wakeup frame */ + Cfg5_BWF = (1 << 6), /* 1 = accept broadcast wakeup frame */ +}; + +enum RxConfigBits { + /* rx fifo threshold */ + RxCfgFIFOShift = 13, + RxCfgFIFONone = (7 << RxCfgFIFOShift), + + /* Max DMA burst */ + RxCfgDMAShift = 8, + RxCfgDMAUnlimited = (7 << RxCfgDMAShift), + + /* rx ring buffer length */ + RxCfgRcv8K = 0, + RxCfgRcv16K = (1 << 11), + RxCfgRcv32K = (1 << 12), + RxCfgRcv64K = (1 << 11) | (1 << 12), + + /* Disable packet wrap at end of Rx buffer. (not possible with 64k) */ + RxNoWrap = (1 << 7), +}; + +/* Twister tuning parameters from RealTek. + Completely undocumented, but required to tune bad links on some boards. */ +enum CSCRBits { + CSCR_LinkOKBit = 0x0400, + CSCR_LinkChangeBit = 0x0800, + CSCR_LinkStatusBits = 0x0f000, + CSCR_LinkDownOffCmd = 0x003c0, + CSCR_LinkDownCmd = 0x0f3c0, +}; + +enum Cfg9346Bits { + Cfg9346_Lock = 0x00, + Cfg9346_Unlock = 0xC0, +}; + +typedef enum { + CH_8139 = 0, + CH_8139_K, + CH_8139A, + CH_8139A_G, + CH_8139B, + CH_8130, + CH_8139C, + CH_8100, + CH_8100B_8139D, + CH_8101, +} chip_t; + +enum chip_flags { + HasHltClk = (1 << 0), + HasLWake = (1 << 1), +}; + +#define HW_REVID(b30, b29, b28, b27, b26, b23, b22) \ + (b30<<30 | b29<<29 | b28<<28 | b27<<27 | b26<<26 | b23<<23 | b22<<22) +#define HW_REVID_MASK HW_REVID(1, 1, 1, 1, 1, 1, 1) + +/* directly indexed by chip_t, above */ +static const struct { + const char *name; + u32 version; /* from RTL8139C/RTL8139D docs */ + u32 flags; +} rtl_chip_info[] = { + { "RTL-8139", + HW_REVID(1, 0, 0, 0, 0, 0, 0), + HasHltClk, + }, + + { "RTL-8139 rev K", + HW_REVID(1, 1, 0, 0, 0, 0, 0), + HasHltClk, + }, + + { "RTL-8139A", + HW_REVID(1, 1, 1, 0, 0, 0, 0), + HasHltClk, /* XXX undocumented? */ + }, + + { "RTL-8139A rev G", + HW_REVID(1, 1, 1, 0, 0, 1, 0), + HasHltClk, /* XXX undocumented? */ + }, + + { "RTL-8139B", + HW_REVID(1, 1, 1, 1, 0, 0, 0), + HasLWake, + }, + + { "RTL-8130", + HW_REVID(1, 1, 1, 1, 1, 0, 0), + HasLWake, + }, + + { "RTL-8139C", + HW_REVID(1, 1, 1, 0, 1, 0, 0), + HasLWake, + }, + + { "RTL-8100", + HW_REVID(1, 1, 1, 1, 0, 1, 0), + HasLWake, + }, + + { "RTL-8100B/8139D", + HW_REVID(1, 1, 1, 0, 1, 0, 1), + HasHltClk /* XXX undocumented? */ + | HasLWake, + }, + + { "RTL-8101", + HW_REVID(1, 1, 1, 0, 1, 1, 1), + HasLWake, + }, +}; + +struct rtl_extra_stats { + unsigned long early_rx; + unsigned long tx_buf_mapped; + unsigned long tx_timeouts; + unsigned long rx_lost_in_ring; +}; + +struct rtl8139_private { + void __iomem *mmio_addr; + int drv_flags; + struct pci_dev *pci_dev; + u32 msg_enable; + struct napi_struct napi; + struct net_device *dev; + + unsigned char *rx_ring; + unsigned int cur_rx; /* RX buf index of next pkt */ + dma_addr_t rx_ring_dma; + + unsigned int tx_flag; + unsigned long cur_tx; + unsigned long dirty_tx; + unsigned char *tx_buf[NUM_TX_DESC]; /* Tx bounce buffers */ + unsigned char *tx_bufs; /* Tx bounce buffer region. */ + dma_addr_t tx_bufs_dma; + + signed char phys[4]; /* MII device addresses. */ + + /* Twister tune state. */ + char twistie, twist_row, twist_col; + + unsigned int watchdog_fired : 1; + unsigned int default_port : 4; /* Last dev->if_port value. */ + unsigned int have_thread : 1; + + spinlock_t lock; + spinlock_t rx_lock; + + chip_t chipset; + u32 rx_config; + struct rtl_extra_stats xstats; + + struct delayed_work thread; + + struct mii_if_info mii; + unsigned int regs_len; + unsigned long fifo_copy_timeout; +}; + +MODULE_AUTHOR ("Jeff Garzik "); +MODULE_DESCRIPTION ("RealTek RTL-8139 Fast Ethernet driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); + +module_param(use_io, int, 0); +MODULE_PARM_DESC(use_io, "Force use of I/O access mode. 0=MMIO 1=PIO"); +module_param(multicast_filter_limit, int, 0); +module_param_array(media, int, NULL, 0); +module_param_array(full_duplex, int, NULL, 0); +module_param(debug, int, 0); +MODULE_PARM_DESC (debug, "8139too bitmapped message enable number"); +MODULE_PARM_DESC (multicast_filter_limit, "8139too maximum number of filtered multicast addresses"); +MODULE_PARM_DESC (media, "8139too: Bits 4+9: force full duplex, bit 5: 100Mbps"); +MODULE_PARM_DESC (full_duplex, "8139too: Force full duplex for board(s) (1)"); + +static int read_eeprom (void __iomem *ioaddr, int location, int addr_len); +static int rtl8139_open (struct net_device *dev); +static int mdio_read (struct net_device *dev, int phy_id, int location); +static void mdio_write (struct net_device *dev, int phy_id, int location, + int val); +static void rtl8139_start_thread(struct rtl8139_private *tp); +static void rtl8139_tx_timeout (struct net_device *dev); +static void rtl8139_init_ring (struct net_device *dev); +static netdev_tx_t rtl8139_start_xmit (struct sk_buff *skb, + struct net_device *dev); +#ifdef CONFIG_NET_POLL_CONTROLLER +static void rtl8139_poll_controller(struct net_device *dev); +#endif +static int rtl8139_set_mac_address(struct net_device *dev, void *p); +static int rtl8139_poll(struct napi_struct *napi, int budget); +static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance); +static int rtl8139_close (struct net_device *dev); +static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd); +static struct net_device_stats *rtl8139_get_stats (struct net_device *dev); +static void rtl8139_set_rx_mode (struct net_device *dev); +static void __set_rx_mode (struct net_device *dev); +static void rtl8139_hw_start (struct net_device *dev); +static void rtl8139_thread (struct work_struct *work); +static void rtl8139_tx_timeout_task(struct work_struct *work); +static const struct ethtool_ops rtl8139_ethtool_ops; + +/* write MMIO register, with flush */ +/* Flush avoids rtl8139 bug w/ posted MMIO writes */ +#define RTL_W8_F(reg, val8) do { iowrite8 ((val8), ioaddr + (reg)); ioread8 (ioaddr + (reg)); } while (0) +#define RTL_W16_F(reg, val16) do { iowrite16 ((val16), ioaddr + (reg)); ioread16 (ioaddr + (reg)); } while (0) +#define RTL_W32_F(reg, val32) do { iowrite32 ((val32), ioaddr + (reg)); ioread32 (ioaddr + (reg)); } while (0) + +/* write MMIO register */ +#define RTL_W8(reg, val8) iowrite8 ((val8), ioaddr + (reg)) +#define RTL_W16(reg, val16) iowrite16 ((val16), ioaddr + (reg)) +#define RTL_W32(reg, val32) iowrite32 ((val32), ioaddr + (reg)) + +/* read MMIO register */ +#define RTL_R8(reg) ioread8 (ioaddr + (reg)) +#define RTL_R16(reg) ioread16 (ioaddr + (reg)) +#define RTL_R32(reg) ((unsigned long) ioread32 (ioaddr + (reg))) + + +static const u16 rtl8139_intr_mask = + PCIErr | PCSTimeout | RxUnderrun | RxOverflow | RxFIFOOver | + TxErr | TxOK | RxErr | RxOK; + +static const u16 rtl8139_norx_intr_mask = + PCIErr | PCSTimeout | RxUnderrun | + TxErr | TxOK | RxErr ; + +#if RX_BUF_IDX == 0 +static const unsigned int rtl8139_rx_config = + RxCfgRcv8K | RxNoWrap | + (RX_FIFO_THRESH << RxCfgFIFOShift) | + (RX_DMA_BURST << RxCfgDMAShift); +#elif RX_BUF_IDX == 1 +static const unsigned int rtl8139_rx_config = + RxCfgRcv16K | RxNoWrap | + (RX_FIFO_THRESH << RxCfgFIFOShift) | + (RX_DMA_BURST << RxCfgDMAShift); +#elif RX_BUF_IDX == 2 +static const unsigned int rtl8139_rx_config = + RxCfgRcv32K | RxNoWrap | + (RX_FIFO_THRESH << RxCfgFIFOShift) | + (RX_DMA_BURST << RxCfgDMAShift); +#elif RX_BUF_IDX == 3 +static const unsigned int rtl8139_rx_config = + RxCfgRcv64K | + (RX_FIFO_THRESH << RxCfgFIFOShift) | + (RX_DMA_BURST << RxCfgDMAShift); +#else +#error "Invalid configuration for 8139_RXBUF_IDX" +#endif + +static const unsigned int rtl8139_tx_config = + TxIFG96 | (TX_DMA_BURST << TxDMAShift) | (TX_RETRY << TxRetryShift); + +static void __rtl8139_cleanup_dev (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + struct pci_dev *pdev; + + assert (dev != NULL); + assert (tp->pci_dev != NULL); + pdev = tp->pci_dev; + + if (tp->mmio_addr) + pci_iounmap (pdev, tp->mmio_addr); + + /* it's ok to call this even if we have no regions to free */ + pci_release_regions (pdev); + + free_netdev(dev); + pci_set_drvdata (pdev, NULL); +} + + +static void rtl8139_chip_reset (void __iomem *ioaddr) +{ + int i; + + /* Soft reset the chip. */ + RTL_W8 (ChipCmd, CmdReset); + + /* Check that the chip has finished the reset. */ + for (i = 1000; i > 0; i--) { + barrier(); + if ((RTL_R8 (ChipCmd) & CmdReset) == 0) + break; + udelay (10); + } +} + + +static __devinit struct net_device * rtl8139_init_board (struct pci_dev *pdev) +{ + void __iomem *ioaddr; + struct net_device *dev; + struct rtl8139_private *tp; + u8 tmp8; + int rc, disable_dev_on_err = 0; + unsigned int i; + unsigned long pio_start, pio_end, pio_flags, pio_len; + unsigned long mmio_start, mmio_end, mmio_flags, mmio_len; + u32 version; + + assert (pdev != NULL); + + /* dev and priv zeroed in alloc_etherdev */ + dev = alloc_etherdev (sizeof (*tp)); + if (dev == NULL) { + dev_err(&pdev->dev, "Unable to alloc new net device\n"); + return ERR_PTR(-ENOMEM); + } + SET_NETDEV_DEV(dev, &pdev->dev); + + tp = netdev_priv(dev); + tp->pci_dev = pdev; + + /* enable device (incl. PCI PM wakeup and hotplug setup) */ + rc = pci_enable_device (pdev); + if (rc) + goto err_out; + + pio_start = pci_resource_start (pdev, 0); + pio_end = pci_resource_end (pdev, 0); + pio_flags = pci_resource_flags (pdev, 0); + pio_len = pci_resource_len (pdev, 0); + + mmio_start = pci_resource_start (pdev, 1); + mmio_end = pci_resource_end (pdev, 1); + mmio_flags = pci_resource_flags (pdev, 1); + mmio_len = pci_resource_len (pdev, 1); + + /* set this immediately, we need to know before + * we talk to the chip directly */ + pr_debug("PIO region size == 0x%02lX\n", pio_len); + pr_debug("MMIO region size == 0x%02lX\n", mmio_len); + +retry: + if (use_io) { + /* make sure PCI base addr 0 is PIO */ + if (!(pio_flags & IORESOURCE_IO)) { + dev_err(&pdev->dev, "region #0 not a PIO resource, aborting\n"); + rc = -ENODEV; + goto err_out; + } + /* check for weird/broken PCI region reporting */ + if (pio_len < RTL_MIN_IO_SIZE) { + dev_err(&pdev->dev, "Invalid PCI I/O region size(s), aborting\n"); + rc = -ENODEV; + goto err_out; + } + } else { + /* make sure PCI base addr 1 is MMIO */ + if (!(mmio_flags & IORESOURCE_MEM)) { + dev_err(&pdev->dev, "region #1 not an MMIO resource, aborting\n"); + rc = -ENODEV; + goto err_out; + } + if (mmio_len < RTL_MIN_IO_SIZE) { + dev_err(&pdev->dev, "Invalid PCI mem region size(s), aborting\n"); + rc = -ENODEV; + goto err_out; + } + } + + rc = pci_request_regions (pdev, DRV_NAME); + if (rc) + goto err_out; + disable_dev_on_err = 1; + + /* enable PCI bus-mastering */ + pci_set_master (pdev); + + if (use_io) { + ioaddr = pci_iomap(pdev, 0, 0); + if (!ioaddr) { + dev_err(&pdev->dev, "cannot map PIO, aborting\n"); + rc = -EIO; + goto err_out; + } + dev->base_addr = pio_start; + tp->regs_len = pio_len; + } else { + /* ioremap MMIO region */ + ioaddr = pci_iomap(pdev, 1, 0); + if (ioaddr == NULL) { + dev_err(&pdev->dev, "cannot remap MMIO, trying PIO\n"); + pci_release_regions(pdev); + use_io = 1; + goto retry; + } + dev->base_addr = (long) ioaddr; + tp->regs_len = mmio_len; + } + tp->mmio_addr = ioaddr; + + /* Bring old chips out of low-power mode. */ + RTL_W8 (HltClk, 'R'); + + /* check for missing/broken hardware */ + if (RTL_R32 (TxConfig) == 0xFFFFFFFF) { + dev_err(&pdev->dev, "Chip not responding, ignoring board\n"); + rc = -EIO; + goto err_out; + } + + /* identify chip attached to board */ + version = RTL_R32 (TxConfig) & HW_REVID_MASK; + for (i = 0; i < ARRAY_SIZE (rtl_chip_info); i++) + if (version == rtl_chip_info[i].version) { + tp->chipset = i; + goto match; + } + + /* if unknown chip, assume array element #0, original RTL-8139 in this case */ + dev_dbg(&pdev->dev, "unknown chip version, assuming RTL-8139\n"); + dev_dbg(&pdev->dev, "TxConfig = 0x%lx\n", RTL_R32 (TxConfig)); + tp->chipset = 0; + +match: + pr_debug("chipset id (%d) == index %d, '%s'\n", + version, i, rtl_chip_info[i].name); + + if (tp->chipset >= CH_8139B) { + u8 new_tmp8 = tmp8 = RTL_R8 (Config1); + pr_debug("PCI PM wakeup\n"); + if ((rtl_chip_info[tp->chipset].flags & HasLWake) && + (tmp8 & LWAKE)) + new_tmp8 &= ~LWAKE; + new_tmp8 |= Cfg1_PM_Enable; + if (new_tmp8 != tmp8) { + RTL_W8 (Cfg9346, Cfg9346_Unlock); + RTL_W8 (Config1, tmp8); + RTL_W8 (Cfg9346, Cfg9346_Lock); + } + if (rtl_chip_info[tp->chipset].flags & HasLWake) { + tmp8 = RTL_R8 (Config4); + if (tmp8 & LWPTN) { + RTL_W8 (Cfg9346, Cfg9346_Unlock); + RTL_W8 (Config4, tmp8 & ~LWPTN); + RTL_W8 (Cfg9346, Cfg9346_Lock); + } + } + } else { + pr_debug("Old chip wakeup\n"); + tmp8 = RTL_R8 (Config1); + tmp8 &= ~(SLEEP | PWRDN); + RTL_W8 (Config1, tmp8); + } + + rtl8139_chip_reset (ioaddr); + + return dev; + +err_out: + __rtl8139_cleanup_dev (dev); + if (disable_dev_on_err) + pci_disable_device (pdev); + return ERR_PTR(rc); +} + +static const struct net_device_ops rtl8139_netdev_ops = { + .ndo_open = rtl8139_open, + .ndo_stop = rtl8139_close, + .ndo_get_stats = rtl8139_get_stats, + .ndo_change_mtu = eth_change_mtu, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_mac_address = rtl8139_set_mac_address, + .ndo_start_xmit = rtl8139_start_xmit, + .ndo_set_multicast_list = rtl8139_set_rx_mode, + .ndo_do_ioctl = netdev_ioctl, + .ndo_tx_timeout = rtl8139_tx_timeout, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = rtl8139_poll_controller, +#endif +}; + +static int __devinit rtl8139_init_one (struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct net_device *dev = NULL; + struct rtl8139_private *tp; + int i, addr_len, option; + void __iomem *ioaddr; + static int board_idx = -1; + + assert (pdev != NULL); + assert (ent != NULL); + + board_idx++; + + /* when we're built into the kernel, the driver version message + * is only printed if at least one 8139 board has been found + */ +#ifndef MODULE + { + static int printed_version; + if (!printed_version++) + pr_info(RTL8139_DRIVER_NAME "\n"); + } +#endif + + if (pdev->vendor == PCI_VENDOR_ID_REALTEK && + pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pdev->revision >= 0x20) { + dev_info(&pdev->dev, + "This (id %04x:%04x rev %02x) is an enhanced 8139C+ chip, use 8139cp\n", + pdev->vendor, pdev->device, pdev->revision); + return -ENODEV; + } + + if (pdev->vendor == PCI_VENDOR_ID_REALTEK && + pdev->device == PCI_DEVICE_ID_REALTEK_8139 && + pdev->subsystem_vendor == PCI_VENDOR_ID_ATHEROS && + pdev->subsystem_device == PCI_DEVICE_ID_REALTEK_8139) { + pr_info("OQO Model 2 detected. Forcing PIO\n"); + use_io = 1; + } + + dev = rtl8139_init_board (pdev); + if (IS_ERR(dev)) + return PTR_ERR(dev); + + assert (dev != NULL); + tp = netdev_priv(dev); + tp->dev = dev; + + ioaddr = tp->mmio_addr; + assert (ioaddr != NULL); + + addr_len = read_eeprom (ioaddr, 0, 8) == 0x8129 ? 8 : 6; + for (i = 0; i < 3; i++) + ((__le16 *) (dev->dev_addr))[i] = + cpu_to_le16(read_eeprom (ioaddr, i + 7, addr_len)); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); + + /* The Rtl8139-specific entries in the device structure. */ + dev->netdev_ops = &rtl8139_netdev_ops; + dev->ethtool_ops = &rtl8139_ethtool_ops; + dev->watchdog_timeo = TX_TIMEOUT; + netif_napi_add(dev, &tp->napi, rtl8139_poll, 64); + + /* note: the hardware is not capable of sg/csum/highdma, however + * through the use of skb_copy_and_csum_dev we enable these + * features + */ + dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA; + + dev->irq = pdev->irq; + + /* tp zeroed and aligned in alloc_etherdev */ + tp = netdev_priv(dev); + + /* note: tp->chipset set in rtl8139_init_board */ + tp->drv_flags = board_info[ent->driver_data].hw_flags; + tp->mmio_addr = ioaddr; + tp->msg_enable = + (debug < 0 ? RTL8139_DEF_MSG_ENABLE : ((1 << debug) - 1)); + spin_lock_init (&tp->lock); + spin_lock_init (&tp->rx_lock); + INIT_DELAYED_WORK(&tp->thread, rtl8139_thread); + tp->mii.dev = dev; + tp->mii.mdio_read = mdio_read; + tp->mii.mdio_write = mdio_write; + tp->mii.phy_id_mask = 0x3f; + tp->mii.reg_num_mask = 0x1f; + + /* dev is fully set up and ready to use now */ + pr_debug("about to register device named %s (%p)...\n", + dev->name, dev); + i = register_netdev (dev); + if (i) goto err_out; + + pci_set_drvdata (pdev, dev); + + netdev_info(dev, "%s at 0x%lx, %pM, IRQ %d\n", + board_info[ent->driver_data].name, + dev->base_addr, dev->dev_addr, dev->irq); + + netdev_dbg(dev, "Identified 8139 chip type '%s'\n", + rtl_chip_info[tp->chipset].name); + + /* Find the connected MII xcvrs. + Doing this in open() would allow detecting external xcvrs later, but + takes too much time. */ +#ifdef CONFIG_8139TOO_8129 + if (tp->drv_flags & HAS_MII_XCVR) { + int phy, phy_idx = 0; + for (phy = 0; phy < 32 && phy_idx < sizeof(tp->phys); phy++) { + int mii_status = mdio_read(dev, phy, 1); + if (mii_status != 0xffff && mii_status != 0x0000) { + u16 advertising = mdio_read(dev, phy, 4); + tp->phys[phy_idx++] = phy; + netdev_info(dev, "MII transceiver %d status 0x%04x advertising %04x\n", + phy, mii_status, advertising); + } + } + if (phy_idx == 0) { + netdev_info(dev, "No MII transceivers found! Assuming SYM transceiver\n"); + tp->phys[0] = 32; + } + } else +#endif + tp->phys[0] = 32; + tp->mii.phy_id = tp->phys[0]; + + /* The lower four bits are the media type. */ + option = (board_idx >= MAX_UNITS) ? 0 : media[board_idx]; + if (option > 0) { + tp->mii.full_duplex = (option & 0x210) ? 1 : 0; + tp->default_port = option & 0xFF; + if (tp->default_port) + tp->mii.force_media = 1; + } + if (board_idx < MAX_UNITS && full_duplex[board_idx] > 0) + tp->mii.full_duplex = full_duplex[board_idx]; + if (tp->mii.full_duplex) { + netdev_info(dev, "Media type forced to Full Duplex\n"); + /* Changing the MII-advertised media because might prevent + re-connection. */ + tp->mii.force_media = 1; + } + if (tp->default_port) { + netdev_info(dev, " Forcing %dMbps %s-duplex operation\n", + (option & 0x20 ? 100 : 10), + (option & 0x10 ? "full" : "half")); + mdio_write(dev, tp->phys[0], 0, + ((option & 0x20) ? 0x2000 : 0) | /* 100Mbps? */ + ((option & 0x10) ? 0x0100 : 0)); /* Full duplex? */ + } + + /* Put the chip into low-power mode. */ + if (rtl_chip_info[tp->chipset].flags & HasHltClk) + RTL_W8 (HltClk, 'H'); /* 'R' would leave the clock running. */ + + return 0; + +err_out: + __rtl8139_cleanup_dev (dev); + pci_disable_device (pdev); + return i; +} + + +static void __devexit rtl8139_remove_one (struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata (pdev); + + assert (dev != NULL); + + flush_scheduled_work(); + + unregister_netdev (dev); + + __rtl8139_cleanup_dev (dev); + pci_disable_device (pdev); +} + + +/* Serial EEPROM section. */ + +/* EEPROM_Ctrl bits. */ +#define EE_SHIFT_CLK 0x04 /* EEPROM shift clock. */ +#define EE_CS 0x08 /* EEPROM chip select. */ +#define EE_DATA_WRITE 0x02 /* EEPROM chip data in. */ +#define EE_WRITE_0 0x00 +#define EE_WRITE_1 0x02 +#define EE_DATA_READ 0x01 /* EEPROM chip data out. */ +#define EE_ENB (0x80 | EE_CS) + +/* Delay between EEPROM clock transitions. + No extra delay is needed with 33Mhz PCI, but 66Mhz may change this. + */ + +#define eeprom_delay() (void)RTL_R32(Cfg9346) + +/* The EEPROM commands include the alway-set leading bit. */ +#define EE_WRITE_CMD (5) +#define EE_READ_CMD (6) +#define EE_ERASE_CMD (7) + +static int __devinit read_eeprom (void __iomem *ioaddr, int location, int addr_len) +{ + int i; + unsigned retval = 0; + int read_cmd = location | (EE_READ_CMD << addr_len); + + RTL_W8 (Cfg9346, EE_ENB & ~EE_CS); + RTL_W8 (Cfg9346, EE_ENB); + eeprom_delay (); + + /* Shift the read command bits out. */ + for (i = 4 + addr_len; i >= 0; i--) { + int dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; + RTL_W8 (Cfg9346, EE_ENB | dataval); + eeprom_delay (); + RTL_W8 (Cfg9346, EE_ENB | dataval | EE_SHIFT_CLK); + eeprom_delay (); + } + RTL_W8 (Cfg9346, EE_ENB); + eeprom_delay (); + + for (i = 16; i > 0; i--) { + RTL_W8 (Cfg9346, EE_ENB | EE_SHIFT_CLK); + eeprom_delay (); + retval = + (retval << 1) | ((RTL_R8 (Cfg9346) & EE_DATA_READ) ? 1 : + 0); + RTL_W8 (Cfg9346, EE_ENB); + eeprom_delay (); + } + + /* Terminate the EEPROM access. */ + RTL_W8 (Cfg9346, ~EE_CS); + eeprom_delay (); + + return retval; +} + +/* MII serial management: mostly bogus for now. */ +/* Read and write the MII management registers using software-generated + serial MDIO protocol. + The maximum data clock rate is 2.5 Mhz. The minimum timing is usually + met by back-to-back PCI I/O cycles, but we insert a delay to avoid + "overclocking" issues. */ +#define MDIO_DIR 0x80 +#define MDIO_DATA_OUT 0x04 +#define MDIO_DATA_IN 0x02 +#define MDIO_CLK 0x01 +#define MDIO_WRITE0 (MDIO_DIR) +#define MDIO_WRITE1 (MDIO_DIR | MDIO_DATA_OUT) + +#define mdio_delay() RTL_R8(Config4) + + +static const char mii_2_8139_map[8] = { + BasicModeCtrl, + BasicModeStatus, + 0, + 0, + NWayAdvert, + NWayLPAR, + NWayExpansion, + 0 +}; + + +#ifdef CONFIG_8139TOO_8129 +/* Syncronize the MII management interface by shifting 32 one bits out. */ +static void mdio_sync (void __iomem *ioaddr) +{ + int i; + + for (i = 32; i >= 0; i--) { + RTL_W8 (Config4, MDIO_WRITE1); + mdio_delay (); + RTL_W8 (Config4, MDIO_WRITE1 | MDIO_CLK); + mdio_delay (); + } +} +#endif + +static int mdio_read (struct net_device *dev, int phy_id, int location) +{ + struct rtl8139_private *tp = netdev_priv(dev); + int retval = 0; +#ifdef CONFIG_8139TOO_8129 + void __iomem *ioaddr = tp->mmio_addr; + int mii_cmd = (0xf6 << 10) | (phy_id << 5) | location; + int i; +#endif + + if (phy_id > 31) { /* Really a 8139. Use internal registers. */ + void __iomem *ioaddr = tp->mmio_addr; + return location < 8 && mii_2_8139_map[location] ? + RTL_R16 (mii_2_8139_map[location]) : 0; + } + +#ifdef CONFIG_8139TOO_8129 + mdio_sync (ioaddr); + /* Shift the read command bits out. */ + for (i = 15; i >= 0; i--) { + int dataval = (mii_cmd & (1 << i)) ? MDIO_DATA_OUT : 0; + + RTL_W8 (Config4, MDIO_DIR | dataval); + mdio_delay (); + RTL_W8 (Config4, MDIO_DIR | dataval | MDIO_CLK); + mdio_delay (); + } + + /* Read the two transition, 16 data, and wire-idle bits. */ + for (i = 19; i > 0; i--) { + RTL_W8 (Config4, 0); + mdio_delay (); + retval = (retval << 1) | ((RTL_R8 (Config4) & MDIO_DATA_IN) ? 1 : 0); + RTL_W8 (Config4, MDIO_CLK); + mdio_delay (); + } +#endif + + return (retval >> 1) & 0xffff; +} + + +static void mdio_write (struct net_device *dev, int phy_id, int location, + int value) +{ + struct rtl8139_private *tp = netdev_priv(dev); +#ifdef CONFIG_8139TOO_8129 + void __iomem *ioaddr = tp->mmio_addr; + int mii_cmd = (0x5002 << 16) | (phy_id << 23) | (location << 18) | value; + int i; +#endif + + if (phy_id > 31) { /* Really a 8139. Use internal registers. */ + void __iomem *ioaddr = tp->mmio_addr; + if (location == 0) { + RTL_W8 (Cfg9346, Cfg9346_Unlock); + RTL_W16 (BasicModeCtrl, value); + RTL_W8 (Cfg9346, Cfg9346_Lock); + } else if (location < 8 && mii_2_8139_map[location]) + RTL_W16 (mii_2_8139_map[location], value); + return; + } + +#ifdef CONFIG_8139TOO_8129 + mdio_sync (ioaddr); + + /* Shift the command bits out. */ + for (i = 31; i >= 0; i--) { + int dataval = + (mii_cmd & (1 << i)) ? MDIO_WRITE1 : MDIO_WRITE0; + RTL_W8 (Config4, dataval); + mdio_delay (); + RTL_W8 (Config4, dataval | MDIO_CLK); + mdio_delay (); + } + /* Clear out extra bits. */ + for (i = 2; i > 0; i--) { + RTL_W8 (Config4, 0); + mdio_delay (); + RTL_W8 (Config4, MDIO_CLK); + mdio_delay (); + } +#endif +} + + +static int rtl8139_open (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + int retval; + void __iomem *ioaddr = tp->mmio_addr; + + retval = request_irq (dev->irq, rtl8139_interrupt, IRQF_SHARED, dev->name, dev); + if (retval) + return retval; + + tp->tx_bufs = dma_alloc_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN, + &tp->tx_bufs_dma, GFP_KERNEL); + tp->rx_ring = dma_alloc_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN, + &tp->rx_ring_dma, GFP_KERNEL); + if (tp->tx_bufs == NULL || tp->rx_ring == NULL) { + free_irq(dev->irq, dev); + + if (tp->tx_bufs) + dma_free_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN, + tp->tx_bufs, tp->tx_bufs_dma); + if (tp->rx_ring) + dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN, + tp->rx_ring, tp->rx_ring_dma); + + return -ENOMEM; + + } + + napi_enable(&tp->napi); + + tp->mii.full_duplex = tp->mii.force_media; + tp->tx_flag = (TX_FIFO_THRESH << 11) & 0x003f0000; + + rtl8139_init_ring (dev); + rtl8139_hw_start (dev); + netif_start_queue (dev); + + netif_dbg(tp, ifup, dev, + "%s() ioaddr %#llx IRQ %d GP Pins %02x %s-duplex\n", + __func__, + (unsigned long long)pci_resource_start (tp->pci_dev, 1), + dev->irq, RTL_R8 (MediaStatus), + tp->mii.full_duplex ? "full" : "half"); + + rtl8139_start_thread(tp); + + return 0; +} + + +static void rtl_check_media (struct net_device *dev, unsigned int init_media) +{ + struct rtl8139_private *tp = netdev_priv(dev); + + if (tp->phys[0] >= 0) { + mii_check_media(&tp->mii, netif_msg_link(tp), init_media); + } +} + +/* Start the hardware at open or resume. */ +static void rtl8139_hw_start (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u32 i; + u8 tmp; + + /* Bring old chips out of low-power mode. */ + if (rtl_chip_info[tp->chipset].flags & HasHltClk) + RTL_W8 (HltClk, 'R'); + + rtl8139_chip_reset (ioaddr); + + /* unlock Config[01234] and BMCR register writes */ + RTL_W8_F (Cfg9346, Cfg9346_Unlock); + /* Restore our idea of the MAC address. */ + RTL_W32_F (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0))); + RTL_W32_F (MAC0 + 4, le16_to_cpu (*(__le16 *) (dev->dev_addr + 4))); + + tp->cur_rx = 0; + + /* init Rx ring buffer DMA address */ + RTL_W32_F (RxBuf, tp->rx_ring_dma); + + /* Must enable Tx/Rx before setting transfer thresholds! */ + RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); + + tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys; + RTL_W32 (RxConfig, tp->rx_config); + RTL_W32 (TxConfig, rtl8139_tx_config); + + rtl_check_media (dev, 1); + + if (tp->chipset >= CH_8139B) { + /* Disable magic packet scanning, which is enabled + * when PM is enabled in Config1. It can be reenabled + * via ETHTOOL_SWOL if desired. */ + RTL_W8 (Config3, RTL_R8 (Config3) & ~Cfg3_Magic); + } + + netdev_dbg(dev, "init buffer addresses\n"); + + /* Lock Config[01234] and BMCR register writes */ + RTL_W8 (Cfg9346, Cfg9346_Lock); + + /* init Tx buffer DMA addresses */ + for (i = 0; i < NUM_TX_DESC; i++) + RTL_W32_F (TxAddr0 + (i * 4), tp->tx_bufs_dma + (tp->tx_buf[i] - tp->tx_bufs)); + + RTL_W32 (RxMissed, 0); + + rtl8139_set_rx_mode (dev); + + /* no early-rx interrupts */ + RTL_W16 (MultiIntr, RTL_R16 (MultiIntr) & MultiIntrClear); + + /* make sure RxTx has started */ + tmp = RTL_R8 (ChipCmd); + if ((!(tmp & CmdRxEnb)) || (!(tmp & CmdTxEnb))) + RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); + + /* Enable all known interrupts by setting the interrupt mask. */ + RTL_W16 (IntrMask, rtl8139_intr_mask); +} + + +/* Initialize the Rx and Tx rings, along with various 'dev' bits. */ +static void rtl8139_init_ring (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + int i; + + tp->cur_rx = 0; + tp->cur_tx = 0; + tp->dirty_tx = 0; + + for (i = 0; i < NUM_TX_DESC; i++) + tp->tx_buf[i] = &tp->tx_bufs[i * TX_BUF_SIZE]; +} + + +/* This must be global for CONFIG_8139TOO_TUNE_TWISTER case */ +static int next_tick = 3 * HZ; + +#ifndef CONFIG_8139TOO_TUNE_TWISTER +static inline void rtl8139_tune_twister (struct net_device *dev, + struct rtl8139_private *tp) {} +#else +enum TwisterParamVals { + PARA78_default = 0x78fa8388, + PARA7c_default = 0xcb38de43, /* param[0][3] */ + PARA7c_xxx = 0xcb38de43, +}; + +static const unsigned long param[4][4] = { + {0xcb39de43, 0xcb39ce43, 0xfb38de03, 0xcb38de43}, + {0xcb39de43, 0xcb39ce43, 0xcb39ce83, 0xcb39ce83}, + {0xcb39de43, 0xcb39ce43, 0xcb39ce83, 0xcb39ce83}, + {0xbb39de43, 0xbb39ce43, 0xbb39ce83, 0xbb39ce83} +}; + +static void rtl8139_tune_twister (struct net_device *dev, + struct rtl8139_private *tp) +{ + int linkcase; + void __iomem *ioaddr = tp->mmio_addr; + + /* This is a complicated state machine to configure the "twister" for + impedance/echos based on the cable length. + All of this is magic and undocumented. + */ + switch (tp->twistie) { + case 1: + if (RTL_R16 (CSCR) & CSCR_LinkOKBit) { + /* We have link beat, let us tune the twister. */ + RTL_W16 (CSCR, CSCR_LinkDownOffCmd); + tp->twistie = 2; /* Change to state 2. */ + next_tick = HZ / 10; + } else { + /* Just put in some reasonable defaults for when beat returns. */ + RTL_W16 (CSCR, CSCR_LinkDownCmd); + RTL_W32 (FIFOTMS, 0x20); /* Turn on cable test mode. */ + RTL_W32 (PARA78, PARA78_default); + RTL_W32 (PARA7c, PARA7c_default); + tp->twistie = 0; /* Bail from future actions. */ + } + break; + case 2: + /* Read how long it took to hear the echo. */ + linkcase = RTL_R16 (CSCR) & CSCR_LinkStatusBits; + if (linkcase == 0x7000) + tp->twist_row = 3; + else if (linkcase == 0x3000) + tp->twist_row = 2; + else if (linkcase == 0x1000) + tp->twist_row = 1; + else + tp->twist_row = 0; + tp->twist_col = 0; + tp->twistie = 3; /* Change to state 2. */ + next_tick = HZ / 10; + break; + case 3: + /* Put out four tuning parameters, one per 100msec. */ + if (tp->twist_col == 0) + RTL_W16 (FIFOTMS, 0); + RTL_W32 (PARA7c, param[(int) tp->twist_row] + [(int) tp->twist_col]); + next_tick = HZ / 10; + if (++tp->twist_col >= 4) { + /* For short cables we are done. + For long cables (row == 3) check for mistune. */ + tp->twistie = + (tp->twist_row == 3) ? 4 : 0; + } + break; + case 4: + /* Special case for long cables: check for mistune. */ + if ((RTL_R16 (CSCR) & + CSCR_LinkStatusBits) == 0x7000) { + tp->twistie = 0; + break; + } else { + RTL_W32 (PARA7c, 0xfb38de03); + tp->twistie = 5; + next_tick = HZ / 10; + } + break; + case 5: + /* Retune for shorter cable (column 2). */ + RTL_W32 (FIFOTMS, 0x20); + RTL_W32 (PARA78, PARA78_default); + RTL_W32 (PARA7c, PARA7c_default); + RTL_W32 (FIFOTMS, 0x00); + tp->twist_row = 2; + tp->twist_col = 0; + tp->twistie = 3; + next_tick = HZ / 10; + break; + + default: + /* do nothing */ + break; + } +} +#endif /* CONFIG_8139TOO_TUNE_TWISTER */ + +static inline void rtl8139_thread_iter (struct net_device *dev, + struct rtl8139_private *tp, + void __iomem *ioaddr) +{ + int mii_lpa; + + mii_lpa = mdio_read (dev, tp->phys[0], MII_LPA); + + if (!tp->mii.force_media && mii_lpa != 0xffff) { + int duplex = ((mii_lpa & LPA_100FULL) || + (mii_lpa & 0x01C0) == 0x0040); + if (tp->mii.full_duplex != duplex) { + tp->mii.full_duplex = duplex; + + if (mii_lpa) { + netdev_info(dev, "Setting %s-duplex based on MII #%d link partner ability of %04x\n", + tp->mii.full_duplex ? "full" : "half", + tp->phys[0], mii_lpa); + } else { + netdev_info(dev, "media is unconnected, link down, or incompatible connection\n"); + } +#if 0 + RTL_W8 (Cfg9346, Cfg9346_Unlock); + RTL_W8 (Config1, tp->mii.full_duplex ? 0x60 : 0x20); + RTL_W8 (Cfg9346, Cfg9346_Lock); +#endif + } + } + + next_tick = HZ * 60; + + rtl8139_tune_twister (dev, tp); + + netdev_dbg(dev, "Media selection tick, Link partner %04x\n", + RTL_R16(NWayLPAR)); + netdev_dbg(dev, "Other registers are IntMask %04x IntStatus %04x\n", + RTL_R16(IntrMask), RTL_R16(IntrStatus)); + netdev_dbg(dev, "Chip config %02x %02x\n", + RTL_R8(Config0), RTL_R8(Config1)); +} + +static void rtl8139_thread (struct work_struct *work) +{ + struct rtl8139_private *tp = + container_of(work, struct rtl8139_private, thread.work); + struct net_device *dev = tp->mii.dev; + unsigned long thr_delay = next_tick; + + rtnl_lock(); + + if (!netif_running(dev)) + goto out_unlock; + + if (tp->watchdog_fired) { + tp->watchdog_fired = 0; + rtl8139_tx_timeout_task(work); + } else + rtl8139_thread_iter(dev, tp, tp->mmio_addr); + + if (tp->have_thread) + schedule_delayed_work(&tp->thread, thr_delay); +out_unlock: + rtnl_unlock (); +} + +static void rtl8139_start_thread(struct rtl8139_private *tp) +{ + tp->twistie = 0; + if (tp->chipset == CH_8139_K) + tp->twistie = 1; + else if (tp->drv_flags & HAS_LNK_CHNG) + return; + + tp->have_thread = 1; + tp->watchdog_fired = 0; + + schedule_delayed_work(&tp->thread, next_tick); +} + +static inline void rtl8139_tx_clear (struct rtl8139_private *tp) +{ + tp->cur_tx = 0; + tp->dirty_tx = 0; + + /* XXX account for unsent Tx packets in tp->stats.tx_dropped */ +} + +static void rtl8139_tx_timeout_task (struct work_struct *work) +{ + struct rtl8139_private *tp = + container_of(work, struct rtl8139_private, thread.work); + struct net_device *dev = tp->mii.dev; + void __iomem *ioaddr = tp->mmio_addr; + int i; + u8 tmp8; + + netdev_dbg(dev, "Transmit timeout, status %02x %04x %04x media %02x\n", + RTL_R8(ChipCmd), RTL_R16(IntrStatus), + RTL_R16(IntrMask), RTL_R8(MediaStatus)); + /* Emit info to figure out what went wrong. */ + netdev_dbg(dev, "Tx queue start entry %ld dirty entry %ld\n", + tp->cur_tx, tp->dirty_tx); + for (i = 0; i < NUM_TX_DESC; i++) + netdev_dbg(dev, "Tx descriptor %d is %08lx%s\n", + i, RTL_R32(TxStatus0 + (i * 4)), + i == tp->dirty_tx % NUM_TX_DESC ? + " (queue head)" : ""); + + tp->xstats.tx_timeouts++; + + /* disable Tx ASAP, if not already */ + tmp8 = RTL_R8 (ChipCmd); + if (tmp8 & CmdTxEnb) + RTL_W8 (ChipCmd, CmdRxEnb); + + spin_lock_bh(&tp->rx_lock); + /* Disable interrupts by clearing the interrupt mask. */ + RTL_W16 (IntrMask, 0x0000); + + /* Stop a shared interrupt from scavenging while we are. */ + spin_lock_irq(&tp->lock); + rtl8139_tx_clear (tp); + spin_unlock_irq(&tp->lock); + + /* ...and finally, reset everything */ + if (netif_running(dev)) { + rtl8139_hw_start (dev); + netif_wake_queue (dev); + } + spin_unlock_bh(&tp->rx_lock); +} + +static void rtl8139_tx_timeout (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + + tp->watchdog_fired = 1; + if (!tp->have_thread) { + INIT_DELAYED_WORK(&tp->thread, rtl8139_thread); + schedule_delayed_work(&tp->thread, next_tick); + } +} + +static netdev_tx_t rtl8139_start_xmit (struct sk_buff *skb, + struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned int entry; + unsigned int len = skb->len; + unsigned long flags; + + /* Calculate the next Tx descriptor entry. */ + entry = tp->cur_tx % NUM_TX_DESC; + + /* Note: the chip doesn't have auto-pad! */ + if (likely(len < TX_BUF_SIZE)) { + if (len < ETH_ZLEN) + memset(tp->tx_buf[entry], 0, ETH_ZLEN); + skb_copy_and_csum_dev(skb, tp->tx_buf[entry]); + dev_kfree_skb(skb); + } else { + dev_kfree_skb(skb); + dev->stats.tx_dropped++; + return NETDEV_TX_OK; + } + + spin_lock_irqsave(&tp->lock, flags); + /* + * Writing to TxStatus triggers a DMA transfer of the data + * copied to tp->tx_buf[entry] above. Use a memory barrier + * to make sure that the device sees the updated data. + */ + wmb(); + RTL_W32_F (TxStatus0 + (entry * sizeof (u32)), + tp->tx_flag | max(len, (unsigned int)ETH_ZLEN)); + + dev->trans_start = jiffies; + + tp->cur_tx++; + + if ((tp->cur_tx - NUM_TX_DESC) == tp->dirty_tx) + netif_stop_queue (dev); + spin_unlock_irqrestore(&tp->lock, flags); + + netif_dbg(tp, tx_queued, dev, "Queued Tx packet size %u to slot %d\n", + len, entry); + + return NETDEV_TX_OK; +} + + +static void rtl8139_tx_interrupt (struct net_device *dev, + struct rtl8139_private *tp, + void __iomem *ioaddr) +{ + unsigned long dirty_tx, tx_left; + + assert (dev != NULL); + assert (ioaddr != NULL); + + dirty_tx = tp->dirty_tx; + tx_left = tp->cur_tx - dirty_tx; + while (tx_left > 0) { + int entry = dirty_tx % NUM_TX_DESC; + int txstatus; + + txstatus = RTL_R32 (TxStatus0 + (entry * sizeof (u32))); + + if (!(txstatus & (TxStatOK | TxUnderrun | TxAborted))) + break; /* It still hasn't been Txed */ + + /* Note: TxCarrierLost is always asserted at 100mbps. */ + if (txstatus & (TxOutOfWindow | TxAborted)) { + /* There was an major error, log it. */ + netif_dbg(tp, tx_err, dev, "Transmit error, Tx status %08x\n", + txstatus); + dev->stats.tx_errors++; + if (txstatus & TxAborted) { + dev->stats.tx_aborted_errors++; + RTL_W32 (TxConfig, TxClearAbt); + RTL_W16 (IntrStatus, TxErr); + wmb(); + } + if (txstatus & TxCarrierLost) + dev->stats.tx_carrier_errors++; + if (txstatus & TxOutOfWindow) + dev->stats.tx_window_errors++; + } else { + if (txstatus & TxUnderrun) { + /* Add 64 to the Tx FIFO threshold. */ + if (tp->tx_flag < 0x00300000) + tp->tx_flag += 0x00020000; + dev->stats.tx_fifo_errors++; + } + dev->stats.collisions += (txstatus >> 24) & 15; + dev->stats.tx_bytes += txstatus & 0x7ff; + dev->stats.tx_packets++; + } + + dirty_tx++; + tx_left--; + } + +#ifndef RTL8139_NDEBUG + if (tp->cur_tx - dirty_tx > NUM_TX_DESC) { + netdev_err(dev, "Out-of-sync dirty pointer, %ld vs. %ld\n", + dirty_tx, tp->cur_tx); + dirty_tx += NUM_TX_DESC; + } +#endif /* RTL8139_NDEBUG */ + + /* only wake the queue if we did work, and the queue is stopped */ + if (tp->dirty_tx != dirty_tx) { + tp->dirty_tx = dirty_tx; + mb(); + netif_wake_queue (dev); + } +} + + +/* TODO: clean this up! Rx reset need not be this intensive */ +static void rtl8139_rx_err (u32 rx_status, struct net_device *dev, + struct rtl8139_private *tp, void __iomem *ioaddr) +{ + u8 tmp8; +#ifdef CONFIG_8139_OLD_RX_RESET + int tmp_work; +#endif + + netif_dbg(tp, rx_err, dev, "Ethernet frame had errors, status %08x\n", + rx_status); + dev->stats.rx_errors++; + if (!(rx_status & RxStatusOK)) { + if (rx_status & RxTooLong) { + netdev_dbg(dev, "Oversized Ethernet frame, status %04x!\n", + rx_status); + /* A.C.: The chip hangs here. */ + } + if (rx_status & (RxBadSymbol | RxBadAlign)) + dev->stats.rx_frame_errors++; + if (rx_status & (RxRunt | RxTooLong)) + dev->stats.rx_length_errors++; + if (rx_status & RxCRCErr) + dev->stats.rx_crc_errors++; + } else { + tp->xstats.rx_lost_in_ring++; + } + +#ifndef CONFIG_8139_OLD_RX_RESET + tmp8 = RTL_R8 (ChipCmd); + RTL_W8 (ChipCmd, tmp8 & ~CmdRxEnb); + RTL_W8 (ChipCmd, tmp8); + RTL_W32 (RxConfig, tp->rx_config); + tp->cur_rx = 0; +#else + /* Reset the receiver, based on RealTek recommendation. (Bug?) */ + + /* disable receive */ + RTL_W8_F (ChipCmd, CmdTxEnb); + tmp_work = 200; + while (--tmp_work > 0) { + udelay(1); + tmp8 = RTL_R8 (ChipCmd); + if (!(tmp8 & CmdRxEnb)) + break; + } + if (tmp_work <= 0) + netdev_warn(dev, "rx stop wait too long\n"); + /* restart receive */ + tmp_work = 200; + while (--tmp_work > 0) { + RTL_W8_F (ChipCmd, CmdRxEnb | CmdTxEnb); + udelay(1); + tmp8 = RTL_R8 (ChipCmd); + if ((tmp8 & CmdRxEnb) && (tmp8 & CmdTxEnb)) + break; + } + if (tmp_work <= 0) + netdev_warn(dev, "tx/rx enable wait too long\n"); + + /* and reinitialize all rx related registers */ + RTL_W8_F (Cfg9346, Cfg9346_Unlock); + /* Must enable Tx/Rx before setting transfer thresholds! */ + RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); + + tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys; + RTL_W32 (RxConfig, tp->rx_config); + tp->cur_rx = 0; + + netdev_dbg(dev, "init buffer addresses\n"); + + /* Lock Config[01234] and BMCR register writes */ + RTL_W8 (Cfg9346, Cfg9346_Lock); + + /* init Rx ring buffer DMA address */ + RTL_W32_F (RxBuf, tp->rx_ring_dma); + + /* A.C.: Reset the multicast list. */ + __set_rx_mode (dev); +#endif +} + +#if RX_BUF_IDX == 3 +static inline void wrap_copy(struct sk_buff *skb, const unsigned char *ring, + u32 offset, unsigned int size) +{ + u32 left = RX_BUF_LEN - offset; + + if (size > left) { + skb_copy_to_linear_data(skb, ring + offset, left); + skb_copy_to_linear_data_offset(skb, left, ring, size - left); + } else + skb_copy_to_linear_data(skb, ring + offset, size); +} +#endif + +static void rtl8139_isr_ack(struct rtl8139_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + u16 status; + + status = RTL_R16 (IntrStatus) & RxAckBits; + + /* Clear out errors and receive interrupts */ + if (likely(status != 0)) { + if (unlikely(status & (RxFIFOOver | RxOverflow))) { + tp->dev->stats.rx_errors++; + if (status & RxFIFOOver) + tp->dev->stats.rx_fifo_errors++; + } + RTL_W16_F (IntrStatus, RxAckBits); + } +} + +static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp, + int budget) +{ + void __iomem *ioaddr = tp->mmio_addr; + int received = 0; + unsigned char *rx_ring = tp->rx_ring; + unsigned int cur_rx = tp->cur_rx; + unsigned int rx_size = 0; + + netdev_dbg(dev, "In %s(), current %04x BufAddr %04x, free to %04x, Cmd %02x\n", + __func__, (u16)cur_rx, + RTL_R16(RxBufAddr), RTL_R16(RxBufPtr), RTL_R8(ChipCmd)); + + while (netif_running(dev) && received < budget && + (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) { + u32 ring_offset = cur_rx % RX_BUF_LEN; + u32 rx_status; + unsigned int pkt_size; + struct sk_buff *skb; + + rmb(); + + /* read size+status of next frame from DMA ring buffer */ + rx_status = le32_to_cpu (*(__le32 *) (rx_ring + ring_offset)); + rx_size = rx_status >> 16; + pkt_size = rx_size - 4; + + netif_dbg(tp, rx_status, dev, "%s() status %04x, size %04x, cur %04x\n", + __func__, rx_status, rx_size, cur_rx); +#if RTL8139_DEBUG > 2 + print_hex_dump(KERN_DEBUG, "Frame contents: ", + DUMP_PREFIX_OFFSET, 16, 1, + &rx_ring[ring_offset], 70, true); +#endif + + /* Packet copy from FIFO still in progress. + * Theoretically, this should never happen + * since EarlyRx is disabled. + */ + if (unlikely(rx_size == 0xfff0)) { + if (!tp->fifo_copy_timeout) + tp->fifo_copy_timeout = jiffies + 2; + else if (time_after(jiffies, tp->fifo_copy_timeout)) { + netdev_dbg(dev, "hung FIFO. Reset\n"); + rx_size = 0; + goto no_early_rx; + } + netif_dbg(tp, intr, dev, "fifo copy in progress\n"); + tp->xstats.early_rx++; + break; + } + +no_early_rx: + tp->fifo_copy_timeout = 0; + + /* If Rx err or invalid rx_size/rx_status received + * (which happens if we get lost in the ring), + * Rx process gets reset, so we abort any further + * Rx processing. + */ + if (unlikely((rx_size > (MAX_ETH_FRAME_SIZE+4)) || + (rx_size < 8) || + (!(rx_status & RxStatusOK)))) { + rtl8139_rx_err (rx_status, dev, tp, ioaddr); + received = -1; + goto out; + } + + /* Malloc up new buffer, compatible with net-2e. */ + /* Omit the four octet CRC from the length. */ + + skb = netdev_alloc_skb_ip_align(dev, pkt_size); + if (likely(skb)) { +#if RX_BUF_IDX == 3 + wrap_copy(skb, rx_ring, ring_offset+4, pkt_size); +#else + skb_copy_to_linear_data (skb, &rx_ring[ring_offset + 4], pkt_size); +#endif + skb_put (skb, pkt_size); + + skb->protocol = eth_type_trans (skb, dev); + + dev->stats.rx_bytes += pkt_size; + dev->stats.rx_packets++; + + netif_receive_skb (skb); + } else { + if (net_ratelimit()) + netdev_warn(dev, "Memory squeeze, dropping packet\n"); + dev->stats.rx_dropped++; + } + received++; + + cur_rx = (cur_rx + rx_size + 4 + 3) & ~3; + RTL_W16 (RxBufPtr, (u16) (cur_rx - 16)); + + rtl8139_isr_ack(tp); + } + + if (unlikely(!received || rx_size == 0xfff0)) + rtl8139_isr_ack(tp); + + netdev_dbg(dev, "Done %s(), current %04x BufAddr %04x, free to %04x, Cmd %02x\n", + __func__, cur_rx, + RTL_R16(RxBufAddr), RTL_R16(RxBufPtr), RTL_R8(ChipCmd)); + + tp->cur_rx = cur_rx; + + /* + * The receive buffer should be mostly empty. + * Tell NAPI to reenable the Rx irq. + */ + if (tp->fifo_copy_timeout) + received = budget; + +out: + return received; +} + + +static void rtl8139_weird_interrupt (struct net_device *dev, + struct rtl8139_private *tp, + void __iomem *ioaddr, + int status, int link_changed) +{ + netdev_dbg(dev, "Abnormal interrupt, status %08x\n", status); + + assert (dev != NULL); + assert (tp != NULL); + assert (ioaddr != NULL); + + /* Update the error count. */ + dev->stats.rx_missed_errors += RTL_R32 (RxMissed); + RTL_W32 (RxMissed, 0); + + if ((status & RxUnderrun) && link_changed && + (tp->drv_flags & HAS_LNK_CHNG)) { + rtl_check_media(dev, 0); + status &= ~RxUnderrun; + } + + if (status & (RxUnderrun | RxErr)) + dev->stats.rx_errors++; + + if (status & PCSTimeout) + dev->stats.rx_length_errors++; + if (status & RxUnderrun) + dev->stats.rx_fifo_errors++; + if (status & PCIErr) { + u16 pci_cmd_status; + pci_read_config_word (tp->pci_dev, PCI_STATUS, &pci_cmd_status); + pci_write_config_word (tp->pci_dev, PCI_STATUS, pci_cmd_status); + + netdev_err(dev, "PCI Bus error %04x\n", pci_cmd_status); + } +} + +static int rtl8139_poll(struct napi_struct *napi, int budget) +{ + struct rtl8139_private *tp = container_of(napi, struct rtl8139_private, napi); + struct net_device *dev = tp->dev; + void __iomem *ioaddr = tp->mmio_addr; + int work_done; + + spin_lock(&tp->rx_lock); + work_done = 0; + if (likely(RTL_R16(IntrStatus) & RxAckBits)) + work_done += rtl8139_rx(dev, tp, budget); + + if (work_done < budget) { + unsigned long flags; + /* + * Order is important since data can get interrupted + * again when we think we are done. + */ + spin_lock_irqsave(&tp->lock, flags); + RTL_W16_F(IntrMask, rtl8139_intr_mask); + __napi_complete(napi); + spin_unlock_irqrestore(&tp->lock, flags); + } + spin_unlock(&tp->rx_lock); + + return work_done; +} + +/* The interrupt handler does all of the Rx thread work and cleans up + after the Tx thread. */ +static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance) +{ + struct net_device *dev = (struct net_device *) dev_instance; + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u16 status, ackstat; + int link_changed = 0; /* avoid bogus "uninit" warning */ + int handled = 0; + + spin_lock (&tp->lock); + status = RTL_R16 (IntrStatus); + + /* shared irq? */ + if (unlikely((status & rtl8139_intr_mask) == 0)) + goto out; + + handled = 1; + + /* h/w no longer present (hotplug?) or major error, bail */ + if (unlikely(status == 0xFFFF)) + goto out; + + /* close possible race's with dev_close */ + if (unlikely(!netif_running(dev))) { + RTL_W16 (IntrMask, 0); + goto out; + } + + /* Acknowledge all of the current interrupt sources ASAP, but + an first get an additional status bit from CSCR. */ + if (unlikely(status & RxUnderrun)) + link_changed = RTL_R16 (CSCR) & CSCR_LinkChangeBit; + + ackstat = status & ~(RxAckBits | TxErr); + if (ackstat) + RTL_W16 (IntrStatus, ackstat); + + /* Receive packets are processed by poll routine. + If not running start it now. */ + if (status & RxAckBits){ + if (napi_schedule_prep(&tp->napi)) { + RTL_W16_F (IntrMask, rtl8139_norx_intr_mask); + __napi_schedule(&tp->napi); + } + } + + /* Check uncommon events with one test. */ + if (unlikely(status & (PCIErr | PCSTimeout | RxUnderrun | RxErr))) + rtl8139_weird_interrupt (dev, tp, ioaddr, + status, link_changed); + + if (status & (TxOK | TxErr)) { + rtl8139_tx_interrupt (dev, tp, ioaddr); + if (status & TxErr) + RTL_W16 (IntrStatus, TxErr); + } + out: + spin_unlock (&tp->lock); + + netdev_dbg(dev, "exiting interrupt, intr_status=%#4.4x\n", + RTL_R16(IntrStatus)); + return IRQ_RETVAL(handled); +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling receive - used by netconsole and other diagnostic tools + * to allow network i/o with interrupts disabled. + */ +static void rtl8139_poll_controller(struct net_device *dev) +{ + disable_irq(dev->irq); + rtl8139_interrupt(dev->irq, dev); + enable_irq(dev->irq); +} +#endif + +static int rtl8139_set_mac_address(struct net_device *dev, void *p) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + struct sockaddr *addr = p; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + + spin_lock_irq(&tp->lock); + + RTL_W8_F(Cfg9346, Cfg9346_Unlock); + RTL_W32_F(MAC0 + 0, cpu_to_le32 (*(u32 *) (dev->dev_addr + 0))); + RTL_W32_F(MAC0 + 4, cpu_to_le32 (*(u32 *) (dev->dev_addr + 4))); + RTL_W8_F(Cfg9346, Cfg9346_Lock); + + spin_unlock_irq(&tp->lock); + + return 0; +} + +static int rtl8139_close (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + + netif_stop_queue(dev); + napi_disable(&tp->napi); + + netif_dbg(tp, ifdown, dev, "Shutting down ethercard, status was 0x%04x\n", + RTL_R16(IntrStatus)); + + spin_lock_irqsave (&tp->lock, flags); + + /* Stop the chip's Tx and Rx DMA processes. */ + RTL_W8 (ChipCmd, 0); + + /* Disable interrupts by clearing the interrupt mask. */ + RTL_W16 (IntrMask, 0); + + /* Update the error counts. */ + dev->stats.rx_missed_errors += RTL_R32 (RxMissed); + RTL_W32 (RxMissed, 0); + + spin_unlock_irqrestore (&tp->lock, flags); + + free_irq (dev->irq, dev); + + rtl8139_tx_clear (tp); + + dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN, + tp->rx_ring, tp->rx_ring_dma); + dma_free_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN, + tp->tx_bufs, tp->tx_bufs_dma); + tp->rx_ring = NULL; + tp->tx_bufs = NULL; + + /* Green! Put the chip in low-power mode. */ + RTL_W8 (Cfg9346, Cfg9346_Unlock); + + if (rtl_chip_info[tp->chipset].flags & HasHltClk) + RTL_W8 (HltClk, 'H'); /* 'R' would leave the clock running. */ + + return 0; +} + + +/* Get the ethtool Wake-on-LAN settings. Assumes that wol points to + kernel memory, *wol has been initialized as {ETHTOOL_GWOL}, and + other threads or interrupts aren't messing with the 8139. */ +static void rtl8139_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + spin_lock_irq(&tp->lock); + if (rtl_chip_info[tp->chipset].flags & HasLWake) { + u8 cfg3 = RTL_R8 (Config3); + u8 cfg5 = RTL_R8 (Config5); + + wol->supported = WAKE_PHY | WAKE_MAGIC + | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST; + + wol->wolopts = 0; + if (cfg3 & Cfg3_LinkUp) + wol->wolopts |= WAKE_PHY; + if (cfg3 & Cfg3_Magic) + wol->wolopts |= WAKE_MAGIC; + /* (KON)FIXME: See how netdev_set_wol() handles the + following constants. */ + if (cfg5 & Cfg5_UWF) + wol->wolopts |= WAKE_UCAST; + if (cfg5 & Cfg5_MWF) + wol->wolopts |= WAKE_MCAST; + if (cfg5 & Cfg5_BWF) + wol->wolopts |= WAKE_BCAST; + } + spin_unlock_irq(&tp->lock); +} + + +/* Set the ethtool Wake-on-LAN settings. Return 0 or -errno. Assumes + that wol points to kernel memory and other threads or interrupts + aren't messing with the 8139. */ +static int rtl8139_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u32 support; + u8 cfg3, cfg5; + + support = ((rtl_chip_info[tp->chipset].flags & HasLWake) + ? (WAKE_PHY | WAKE_MAGIC + | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST) + : 0); + if (wol->wolopts & ~support) + return -EINVAL; + + spin_lock_irq(&tp->lock); + cfg3 = RTL_R8 (Config3) & ~(Cfg3_LinkUp | Cfg3_Magic); + if (wol->wolopts & WAKE_PHY) + cfg3 |= Cfg3_LinkUp; + if (wol->wolopts & WAKE_MAGIC) + cfg3 |= Cfg3_Magic; + RTL_W8 (Cfg9346, Cfg9346_Unlock); + RTL_W8 (Config3, cfg3); + RTL_W8 (Cfg9346, Cfg9346_Lock); + + cfg5 = RTL_R8 (Config5) & ~(Cfg5_UWF | Cfg5_MWF | Cfg5_BWF); + /* (KON)FIXME: These are untested. We may have to set the + CRC0, Wakeup0 and LSBCRC0 registers too, but I have no + documentation. */ + if (wol->wolopts & WAKE_UCAST) + cfg5 |= Cfg5_UWF; + if (wol->wolopts & WAKE_MCAST) + cfg5 |= Cfg5_MWF; + if (wol->wolopts & WAKE_BCAST) + cfg5 |= Cfg5_BWF; + RTL_W8 (Config5, cfg5); /* need not unlock via Cfg9346 */ + spin_unlock_irq(&tp->lock); + + return 0; +} + +static void rtl8139_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) +{ + struct rtl8139_private *tp = netdev_priv(dev); + strcpy(info->driver, DRV_NAME); + strcpy(info->version, DRV_VERSION); + strcpy(info->bus_info, pci_name(tp->pci_dev)); + info->regdump_len = tp->regs_len; +} + +static int rtl8139_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct rtl8139_private *tp = netdev_priv(dev); + spin_lock_irq(&tp->lock); + mii_ethtool_gset(&tp->mii, cmd); + spin_unlock_irq(&tp->lock); + return 0; +} + +static int rtl8139_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct rtl8139_private *tp = netdev_priv(dev); + int rc; + spin_lock_irq(&tp->lock); + rc = mii_ethtool_sset(&tp->mii, cmd); + spin_unlock_irq(&tp->lock); + return rc; +} + +static int rtl8139_nway_reset(struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + return mii_nway_restart(&tp->mii); +} + +static u32 rtl8139_get_link(struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + return mii_link_ok(&tp->mii); +} + +static u32 rtl8139_get_msglevel(struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + return tp->msg_enable; +} + +static void rtl8139_set_msglevel(struct net_device *dev, u32 datum) +{ + struct rtl8139_private *tp = netdev_priv(dev); + tp->msg_enable = datum; +} + +static int rtl8139_get_regs_len(struct net_device *dev) +{ + struct rtl8139_private *tp; + /* TODO: we are too slack to do reg dumping for pio, for now */ + if (use_io) + return 0; + tp = netdev_priv(dev); + return tp->regs_len; +} + +static void rtl8139_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf) +{ + struct rtl8139_private *tp; + + /* TODO: we are too slack to do reg dumping for pio, for now */ + if (use_io) + return; + tp = netdev_priv(dev); + + regs->version = RTL_REGS_VER; + + spin_lock_irq(&tp->lock); + memcpy_fromio(regbuf, tp->mmio_addr, regs->len); + spin_unlock_irq(&tp->lock); +} + +static int rtl8139_get_sset_count(struct net_device *dev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return RTL_NUM_STATS; + default: + return -EOPNOTSUPP; + } +} + +static void rtl8139_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data) +{ + struct rtl8139_private *tp = netdev_priv(dev); + + data[0] = tp->xstats.early_rx; + data[1] = tp->xstats.tx_buf_mapped; + data[2] = tp->xstats.tx_timeouts; + data[3] = tp->xstats.rx_lost_in_ring; +} + +static void rtl8139_get_strings(struct net_device *dev, u32 stringset, u8 *data) +{ + memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys)); +} + +static const struct ethtool_ops rtl8139_ethtool_ops = { + .get_drvinfo = rtl8139_get_drvinfo, + .get_settings = rtl8139_get_settings, + .set_settings = rtl8139_set_settings, + .get_regs_len = rtl8139_get_regs_len, + .get_regs = rtl8139_get_regs, + .nway_reset = rtl8139_nway_reset, + .get_link = rtl8139_get_link, + .get_msglevel = rtl8139_get_msglevel, + .set_msglevel = rtl8139_set_msglevel, + .get_wol = rtl8139_get_wol, + .set_wol = rtl8139_set_wol, + .get_strings = rtl8139_get_strings, + .get_sset_count = rtl8139_get_sset_count, + .get_ethtool_stats = rtl8139_get_ethtool_stats, +}; + +static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +{ + struct rtl8139_private *tp = netdev_priv(dev); + int rc; + + if (!netif_running(dev)) + return -EINVAL; + + spin_lock_irq(&tp->lock); + rc = generic_mii_ioctl(&tp->mii, if_mii(rq), cmd, NULL); + spin_unlock_irq(&tp->lock); + + return rc; +} + + +static struct net_device_stats *rtl8139_get_stats (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + + if (netif_running(dev)) { + spin_lock_irqsave (&tp->lock, flags); + dev->stats.rx_missed_errors += RTL_R32 (RxMissed); + RTL_W32 (RxMissed, 0); + spin_unlock_irqrestore (&tp->lock, flags); + } + + return &dev->stats; +} + +/* Set or clear the multicast filter for this adaptor. + This routine is not state sensitive and need not be SMP locked. */ + +static void __set_rx_mode (struct net_device *dev) +{ + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u32 mc_filter[2]; /* Multicast hash filter */ + int rx_mode; + u32 tmp; + + netdev_dbg(dev, "rtl8139_set_rx_mode(%04x) done -- Rx config %08lx\n", + dev->flags, RTL_R32(RxConfig)); + + /* Note: do not reorder, GCC is clever about common statements. */ + if (dev->flags & IFF_PROMISC) { + rx_mode = + AcceptBroadcast | AcceptMulticast | AcceptMyPhys | + AcceptAllPhys; + mc_filter[1] = mc_filter[0] = 0xffffffff; + } else if ((netdev_mc_count(dev) > multicast_filter_limit) || + (dev->flags & IFF_ALLMULTI)) { + /* Too many to filter perfectly -- accept all multicasts. */ + rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys; + mc_filter[1] = mc_filter[0] = 0xffffffff; + } else { + struct dev_mc_list *mclist; + rx_mode = AcceptBroadcast | AcceptMyPhys; + mc_filter[1] = mc_filter[0] = 0; + netdev_for_each_mc_addr(mclist, dev) { + int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26; + + mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); + rx_mode |= AcceptMulticast; + } + } + + /* We can safely update without stopping the chip. */ + tmp = rtl8139_rx_config | rx_mode; + if (tp->rx_config != tmp) { + RTL_W32_F (RxConfig, tmp); + tp->rx_config = tmp; + } + RTL_W32_F (MAR0 + 0, mc_filter[0]); + RTL_W32_F (MAR0 + 4, mc_filter[1]); +} + +static void rtl8139_set_rx_mode (struct net_device *dev) +{ + unsigned long flags; + struct rtl8139_private *tp = netdev_priv(dev); + + spin_lock_irqsave (&tp->lock, flags); + __set_rx_mode(dev); + spin_unlock_irqrestore (&tp->lock, flags); +} + +#ifdef CONFIG_PM + +static int rtl8139_suspend (struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *dev = pci_get_drvdata (pdev); + struct rtl8139_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + + pci_save_state (pdev); + + if (!netif_running (dev)) + return 0; + + netif_device_detach (dev); + + spin_lock_irqsave (&tp->lock, flags); + + /* Disable interrupts, stop Tx and Rx. */ + RTL_W16 (IntrMask, 0); + RTL_W8 (ChipCmd, 0); + + /* Update the error counts. */ + dev->stats.rx_missed_errors += RTL_R32 (RxMissed); + RTL_W32 (RxMissed, 0); + + spin_unlock_irqrestore (&tp->lock, flags); + + pci_set_power_state (pdev, PCI_D3hot); + + return 0; +} + + +static int rtl8139_resume (struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata (pdev); + + pci_restore_state (pdev); + if (!netif_running (dev)) + return 0; + pci_set_power_state (pdev, PCI_D0); + rtl8139_init_ring (dev); + rtl8139_hw_start (dev); + netif_device_attach (dev); + return 0; +} + +#endif /* CONFIG_PM */ + + +static struct pci_driver rtl8139_pci_driver = { + .name = DRV_NAME, + .id_table = rtl8139_pci_tbl, + .probe = rtl8139_init_one, + .remove = __devexit_p(rtl8139_remove_one), +#ifdef CONFIG_PM + .suspend = rtl8139_suspend, + .resume = rtl8139_resume, +#endif /* CONFIG_PM */ +}; + + +static int __init rtl8139_init_module (void) +{ + /* when we're a module, we always print a version message, + * even if no 8139 board is found. + */ +#ifdef MODULE + pr_info(RTL8139_DRIVER_NAME "\n"); +#endif + + return pci_register_driver(&rtl8139_pci_driver); +} + + +static void __exit rtl8139_cleanup_module (void) +{ + pci_unregister_driver (&rtl8139_pci_driver); +} + + +module_init(rtl8139_init_module); +module_exit(rtl8139_cleanup_module); diff -r 87de63b19e4c -r 04fdb4abf120 devices/Makefile.am --- a/devices/Makefile.am Tue Dec 14 21:58:53 2010 +0100 +++ b/devices/Makefile.am Mon Dec 20 17:52:37 2010 +0100 @@ -59,6 +59,8 @@ 8139too-2.6.29-orig.c \ 8139too-2.6.31-ethercat.c \ 8139too-2.6.31-orig.c \ + 8139too-2.6.34-ethercat.c \ + 8139too-2.6.34-orig.c \ e100-2.6.20-ethercat.c \ e100-2.6.20-orig.c \ e100-2.6.24-ethercat.c \ diff -r 87de63b19e4c -r 04fdb4abf120 devices/r8169-2.6.32-ethercat.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/devices/r8169-2.6.32-ethercat.c Mon Dec 20 17:52:37 2010 +0100 @@ -0,0 +1,5025 @@ +/* + * r8169.c: RealTek 8169/8168/8101 ethernet driver. + * + * Copyright (c) 2002 ShuChen + * Copyright (c) 2003 - 2007 Francois Romieu + * Copyright (c) a lot of people too. Please respect their work. + * + * See MAINTAINERS file for support contact information. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include "../globals.h" +#include "ecdev.h" + +#define RTL8169_VERSION "2.3LK-NAPI" +#define MODULENAME "ec_r8169" +#define PFX MODULENAME ": " + +#ifdef RTL8169_DEBUG +#define assert(expr) \ + if (!(expr)) { \ + printk( "Assertion failed! %s,%s,%s,line=%d\n", \ + #expr,__FILE__,__func__,__LINE__); \ + } +#define dprintk(fmt, args...) \ + do { printk(KERN_DEBUG PFX fmt, ## args); } while (0) +#else +#define assert(expr) do {} while (0) +#define dprintk(fmt, args...) do {} while (0) +#endif /* RTL8169_DEBUG */ + +#define R8169_MSG_DEFAULT \ + (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN) + +#define TX_BUFFS_AVAIL(tp) \ + (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1) + +/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). + The RTL chips use a 64 element hash table based on the Ethernet CRC. */ +static const int multicast_filter_limit = 32; + +/* MAC address length */ +#define MAC_ADDR_LEN 6 + +#define MAX_READ_REQUEST_SHIFT 12 +#define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */ +#define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ +#define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ +#define EarlyTxThld 0x3F /* 0x3F means NO early transmit */ +#define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */ +#define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */ + +#define R8169_REGS_SIZE 256 +#define R8169_NAPI_WEIGHT 64 +#define NUM_TX_DESC 64 /* Number of Tx descriptor registers */ +#define NUM_RX_DESC 256 /* Number of Rx descriptor registers */ +#define RX_BUF_SIZE 1536 /* Rx Buffer size */ +#define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc)) +#define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc)) + +#define RTL8169_TX_TIMEOUT (6*HZ) +#define RTL8169_PHY_TIMEOUT (10*HZ) + +#define RTL_EEPROM_SIG cpu_to_le32(0x8129) +#define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff) +#define RTL_EEPROM_SIG_ADDR 0x0000 + +/* write/read MMIO register */ +#define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg)) +#define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg)) +#define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg)) +#define RTL_R8(reg) readb (ioaddr + (reg)) +#define RTL_R16(reg) readw (ioaddr + (reg)) +#define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg))) + +enum mac_version { + RTL_GIGA_MAC_NONE = 0x00, + RTL_GIGA_MAC_VER_01 = 0x01, // 8169 + RTL_GIGA_MAC_VER_02 = 0x02, // 8169S + RTL_GIGA_MAC_VER_03 = 0x03, // 8110S + RTL_GIGA_MAC_VER_04 = 0x04, // 8169SB + RTL_GIGA_MAC_VER_05 = 0x05, // 8110SCd + RTL_GIGA_MAC_VER_06 = 0x06, // 8110SCe + RTL_GIGA_MAC_VER_07 = 0x07, // 8102e + RTL_GIGA_MAC_VER_08 = 0x08, // 8102e + RTL_GIGA_MAC_VER_09 = 0x09, // 8102e + RTL_GIGA_MAC_VER_10 = 0x0a, // 8101e + RTL_GIGA_MAC_VER_11 = 0x0b, // 8168Bb + RTL_GIGA_MAC_VER_12 = 0x0c, // 8168Be + RTL_GIGA_MAC_VER_13 = 0x0d, // 8101Eb + RTL_GIGA_MAC_VER_14 = 0x0e, // 8101 ? + RTL_GIGA_MAC_VER_15 = 0x0f, // 8101 ? + RTL_GIGA_MAC_VER_16 = 0x11, // 8101Ec + RTL_GIGA_MAC_VER_17 = 0x10, // 8168Bf + RTL_GIGA_MAC_VER_18 = 0x12, // 8168CP + RTL_GIGA_MAC_VER_19 = 0x13, // 8168C + RTL_GIGA_MAC_VER_20 = 0x14, // 8168C + RTL_GIGA_MAC_VER_21 = 0x15, // 8168C + RTL_GIGA_MAC_VER_22 = 0x16, // 8168C + RTL_GIGA_MAC_VER_23 = 0x17, // 8168CP + RTL_GIGA_MAC_VER_24 = 0x18, // 8168CP + RTL_GIGA_MAC_VER_25 = 0x19, // 8168D + RTL_GIGA_MAC_VER_26 = 0x1a, // 8168D + RTL_GIGA_MAC_VER_27 = 0x1b // 8168DP +}; + +#define _R(NAME,MAC,MASK) \ + { .name = NAME, .mac_version = MAC, .RxConfigMask = MASK } + +static const struct { + const char *name; + u8 mac_version; + u32 RxConfigMask; /* Clears the bits supported by this chip */ +} rtl_chip_info[] = { + _R("RTL8169", RTL_GIGA_MAC_VER_01, 0xff7e1880), // 8169 + _R("RTL8169s", RTL_GIGA_MAC_VER_02, 0xff7e1880), // 8169S + _R("RTL8110s", RTL_GIGA_MAC_VER_03, 0xff7e1880), // 8110S + _R("RTL8169sb/8110sb", RTL_GIGA_MAC_VER_04, 0xff7e1880), // 8169SB + _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_05, 0xff7e1880), // 8110SCd + _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_06, 0xff7e1880), // 8110SCe + _R("RTL8102e", RTL_GIGA_MAC_VER_07, 0xff7e1880), // PCI-E + _R("RTL8102e", RTL_GIGA_MAC_VER_08, 0xff7e1880), // PCI-E + _R("RTL8102e", RTL_GIGA_MAC_VER_09, 0xff7e1880), // PCI-E + _R("RTL8101e", RTL_GIGA_MAC_VER_10, 0xff7e1880), // PCI-E + _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_11, 0xff7e1880), // PCI-E + _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_12, 0xff7e1880), // PCI-E + _R("RTL8101e", RTL_GIGA_MAC_VER_13, 0xff7e1880), // PCI-E 8139 + _R("RTL8100e", RTL_GIGA_MAC_VER_14, 0xff7e1880), // PCI-E 8139 + _R("RTL8100e", RTL_GIGA_MAC_VER_15, 0xff7e1880), // PCI-E 8139 + _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_17, 0xff7e1880), // PCI-E + _R("RTL8101e", RTL_GIGA_MAC_VER_16, 0xff7e1880), // PCI-E + _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_18, 0xff7e1880), // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_19, 0xff7e1880), // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_20, 0xff7e1880), // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_21, 0xff7e1880), // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_22, 0xff7e1880), // PCI-E + _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_23, 0xff7e1880), // PCI-E + _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_24, 0xff7e1880), // PCI-E + _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_25, 0xff7e1880), // PCI-E + _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_26, 0xff7e1880), // PCI-E + _R("RTL8168dp/8111dp", RTL_GIGA_MAC_VER_27, 0xff7e1880) // PCI-E +}; +#undef _R + +enum cfg_version { + RTL_CFG_0 = 0x00, + RTL_CFG_1, + RTL_CFG_2 +}; + +static void rtl_hw_start_8169(struct net_device *); +static void rtl_hw_start_8168(struct net_device *); +static void rtl_hw_start_8101(struct net_device *); + +static struct pci_device_id rtl8169_pci_tbl[] = { + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 }, + { PCI_VENDOR_ID_LINKSYS, 0x1032, + PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 }, + { 0x0001, 0x8168, + PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 }, + {0,}, +}; + +/* prevent driver from being loaded automatically */ +//MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl); + +static int rx_copybreak = 200; +static int use_dac; +static struct { + u32 msg_enable; +} debug = { -1 }; + +enum rtl_registers { + MAC0 = 0, /* Ethernet hardware address. */ + MAC4 = 4, + MAR0 = 8, /* Multicast filter. */ + CounterAddrLow = 0x10, + CounterAddrHigh = 0x14, + TxDescStartAddrLow = 0x20, + TxDescStartAddrHigh = 0x24, + TxHDescStartAddrLow = 0x28, + TxHDescStartAddrHigh = 0x2c, + FLASH = 0x30, + ERSR = 0x36, + ChipCmd = 0x37, + TxPoll = 0x38, + IntrMask = 0x3c, + IntrStatus = 0x3e, + TxConfig = 0x40, + RxConfig = 0x44, + RxMissed = 0x4c, + Cfg9346 = 0x50, + Config0 = 0x51, + Config1 = 0x52, + Config2 = 0x53, + Config3 = 0x54, + Config4 = 0x55, + Config5 = 0x56, + MultiIntr = 0x5c, + PHYAR = 0x60, + PHYstatus = 0x6c, + RxMaxSize = 0xda, + CPlusCmd = 0xe0, + IntrMitigate = 0xe2, + RxDescAddrLow = 0xe4, + RxDescAddrHigh = 0xe8, + EarlyTxThres = 0xec, + FuncEvent = 0xf0, + FuncEventMask = 0xf4, + FuncPresetState = 0xf8, + FuncForceEvent = 0xfc, +}; + +enum rtl8110_registers { + TBICSR = 0x64, + TBI_ANAR = 0x68, + TBI_LPAR = 0x6a, +}; + +enum rtl8168_8101_registers { + CSIDR = 0x64, + CSIAR = 0x68, +#define CSIAR_FLAG 0x80000000 +#define CSIAR_WRITE_CMD 0x80000000 +#define CSIAR_BYTE_ENABLE 0x0f +#define CSIAR_BYTE_ENABLE_SHIFT 12 +#define CSIAR_ADDR_MASK 0x0fff + + EPHYAR = 0x80, +#define EPHYAR_FLAG 0x80000000 +#define EPHYAR_WRITE_CMD 0x80000000 +#define EPHYAR_REG_MASK 0x1f +#define EPHYAR_REG_SHIFT 16 +#define EPHYAR_DATA_MASK 0xffff + DBG_REG = 0xd1, +#define FIX_NAK_1 (1 << 4) +#define FIX_NAK_2 (1 << 3) + EFUSEAR = 0xdc, +#define EFUSEAR_FLAG 0x80000000 +#define EFUSEAR_WRITE_CMD 0x80000000 +#define EFUSEAR_READ_CMD 0x00000000 +#define EFUSEAR_REG_MASK 0x03ff +#define EFUSEAR_REG_SHIFT 8 +#define EFUSEAR_DATA_MASK 0xff +}; + +enum rtl_register_content { + /* InterruptStatusBits */ + SYSErr = 0x8000, + PCSTimeout = 0x4000, + SWInt = 0x0100, + TxDescUnavail = 0x0080, + RxFIFOOver = 0x0040, + LinkChg = 0x0020, + RxOverflow = 0x0010, + TxErr = 0x0008, + TxOK = 0x0004, + RxErr = 0x0002, + RxOK = 0x0001, + + /* RxStatusDesc */ + RxFOVF = (1 << 23), + RxRWT = (1 << 22), + RxRES = (1 << 21), + RxRUNT = (1 << 20), + RxCRC = (1 << 19), + + /* ChipCmdBits */ + CmdReset = 0x10, + CmdRxEnb = 0x08, + CmdTxEnb = 0x04, + RxBufEmpty = 0x01, + + /* TXPoll register p.5 */ + HPQ = 0x80, /* Poll cmd on the high prio queue */ + NPQ = 0x40, /* Poll cmd on the low prio queue */ + FSWInt = 0x01, /* Forced software interrupt */ + + /* Cfg9346Bits */ + Cfg9346_Lock = 0x00, + Cfg9346_Unlock = 0xc0, + + /* rx_mode_bits */ + AcceptErr = 0x20, + AcceptRunt = 0x10, + AcceptBroadcast = 0x08, + AcceptMulticast = 0x04, + AcceptMyPhys = 0x02, + AcceptAllPhys = 0x01, + + /* RxConfigBits */ + RxCfgFIFOShift = 13, + RxCfgDMAShift = 8, + + /* TxConfigBits */ + TxInterFrameGapShift = 24, + TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */ + + /* Config1 register p.24 */ + LEDS1 = (1 << 7), + LEDS0 = (1 << 6), + MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */ + Speed_down = (1 << 4), + MEMMAP = (1 << 3), + IOMAP = (1 << 2), + VPD = (1 << 1), + PMEnable = (1 << 0), /* Power Management Enable */ + + /* Config2 register p. 25 */ + PCI_Clock_66MHz = 0x01, + PCI_Clock_33MHz = 0x00, + + /* Config3 register p.25 */ + MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */ + LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */ + Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */ + + /* Config5 register p.27 */ + BWF = (1 << 6), /* Accept Broadcast wakeup frame */ + MWF = (1 << 5), /* Accept Multicast wakeup frame */ + UWF = (1 << 4), /* Accept Unicast wakeup frame */ + LanWake = (1 << 1), /* LanWake enable/disable */ + PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */ + + /* TBICSR p.28 */ + TBIReset = 0x80000000, + TBILoopback = 0x40000000, + TBINwEnable = 0x20000000, + TBINwRestart = 0x10000000, + TBILinkOk = 0x02000000, + TBINwComplete = 0x01000000, + + /* CPlusCmd p.31 */ + EnableBist = (1 << 15), // 8168 8101 + Mac_dbgo_oe = (1 << 14), // 8168 8101 + Normal_mode = (1 << 13), // unused + Force_half_dup = (1 << 12), // 8168 8101 + Force_rxflow_en = (1 << 11), // 8168 8101 + Force_txflow_en = (1 << 10), // 8168 8101 + Cxpl_dbg_sel = (1 << 9), // 8168 8101 + ASF = (1 << 8), // 8168 8101 + PktCntrDisable = (1 << 7), // 8168 8101 + Mac_dbgo_sel = 0x001c, // 8168 + RxVlan = (1 << 6), + RxChkSum = (1 << 5), + PCIDAC = (1 << 4), + PCIMulRW = (1 << 3), + INTT_0 = 0x0000, // 8168 + INTT_1 = 0x0001, // 8168 + INTT_2 = 0x0002, // 8168 + INTT_3 = 0x0003, // 8168 + + /* rtl8169_PHYstatus */ + TBI_Enable = 0x80, + TxFlowCtrl = 0x40, + RxFlowCtrl = 0x20, + _1000bpsF = 0x10, + _100bps = 0x08, + _10bps = 0x04, + LinkStatus = 0x02, + FullDup = 0x01, + + /* _TBICSRBit */ + TBILinkOK = 0x02000000, + + /* DumpCounterCommand */ + CounterDump = 0x8, +}; + +enum desc_status_bit { + DescOwn = (1 << 31), /* Descriptor is owned by NIC */ + RingEnd = (1 << 30), /* End of descriptor ring */ + FirstFrag = (1 << 29), /* First segment of a packet */ + LastFrag = (1 << 28), /* Final segment of a packet */ + + /* Tx private */ + LargeSend = (1 << 27), /* TCP Large Send Offload (TSO) */ + MSSShift = 16, /* MSS value position */ + MSSMask = 0xfff, /* MSS value + LargeSend bit: 12 bits */ + IPCS = (1 << 18), /* Calculate IP checksum */ + UDPCS = (1 << 17), /* Calculate UDP/IP checksum */ + TCPCS = (1 << 16), /* Calculate TCP/IP checksum */ + TxVlanTag = (1 << 17), /* Add VLAN tag */ + + /* Rx private */ + PID1 = (1 << 18), /* Protocol ID bit 1/2 */ + PID0 = (1 << 17), /* Protocol ID bit 2/2 */ + +#define RxProtoUDP (PID1) +#define RxProtoTCP (PID0) +#define RxProtoIP (PID1 | PID0) +#define RxProtoMask RxProtoIP + + IPFail = (1 << 16), /* IP checksum failed */ + UDPFail = (1 << 15), /* UDP/IP checksum failed */ + TCPFail = (1 << 14), /* TCP/IP checksum failed */ + RxVlanTag = (1 << 16), /* VLAN tag available */ +}; + +#define RsvdMask 0x3fffc000 + +struct TxDesc { + __le32 opts1; + __le32 opts2; + __le64 addr; +}; + +struct RxDesc { + __le32 opts1; + __le32 opts2; + __le64 addr; +}; + +struct ring_info { + struct sk_buff *skb; + u32 len; + u8 __pad[sizeof(void *) - sizeof(u32)]; +}; + +enum features { + RTL_FEATURE_WOL = (1 << 0), + RTL_FEATURE_MSI = (1 << 1), + RTL_FEATURE_GMII = (1 << 2), +}; + +struct rtl8169_counters { + __le64 tx_packets; + __le64 rx_packets; + __le64 tx_errors; + __le32 rx_errors; + __le16 rx_missed; + __le16 align_errors; + __le32 tx_one_collision; + __le32 tx_multi_collision; + __le64 rx_unicast; + __le64 rx_broadcast; + __le32 rx_multicast; + __le16 tx_aborted; + __le16 tx_underun; +}; + +struct rtl8169_private { + void __iomem *mmio_addr; /* memory map physical address */ + struct pci_dev *pci_dev; /* Index of PCI device */ + struct net_device *dev; + struct napi_struct napi; + spinlock_t lock; /* spin lock flag */ + u32 msg_enable; + int chipset; + int mac_version; + u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */ + u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */ + u32 dirty_rx; + u32 dirty_tx; + struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */ + struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */ + dma_addr_t TxPhyAddr; + dma_addr_t RxPhyAddr; + struct sk_buff *Rx_skbuff[NUM_RX_DESC]; /* Rx data buffers */ + struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */ + unsigned align; + unsigned rx_buf_sz; + struct timer_list timer; + u16 cp_cmd; + u16 intr_event; + u16 napi_event; + u16 intr_mask; + int phy_1000_ctrl_reg; +#ifdef CONFIG_R8169_VLAN + struct vlan_group *vlgrp; +#endif + int (*set_speed)(struct net_device *, u8 autoneg, u16 speed, u8 duplex); + int (*get_settings)(struct net_device *, struct ethtool_cmd *); + void (*phy_reset_enable)(void __iomem *); + void (*hw_start)(struct net_device *); + unsigned int (*phy_reset_pending)(void __iomem *); + unsigned int (*link_ok)(void __iomem *); + int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd); + int pcie_cap; + struct delayed_work task; + unsigned features; + + struct mii_if_info mii; + struct rtl8169_counters counters; + + ec_device_t *ecdev; + unsigned long ec_watchdog_jiffies; +}; + +MODULE_AUTHOR("Florian Pose "); +MODULE_DESCRIPTION("EtherCAT-capable RealTek RTL-8169 Gigabit Ethernet driver"); +module_param(rx_copybreak, int, 0); +MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames"); +module_param(use_dac, int, 0); +MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot."); +module_param_named(debug, debug.msg_enable, int, 0); +MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(EC_MASTER_VERSION); + +static int rtl8169_open(struct net_device *dev); +static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, + struct net_device *dev); +static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance); +static int rtl8169_init_ring(struct net_device *dev); +static void rtl_hw_start(struct net_device *dev); +static int rtl8169_close(struct net_device *dev); +static void rtl_set_rx_mode(struct net_device *dev); +static void rtl8169_tx_timeout(struct net_device *dev); +static struct net_device_stats *rtl8169_get_stats(struct net_device *dev); +static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *, + void __iomem *, u32 budget); +static int rtl8169_change_mtu(struct net_device *dev, int new_mtu); +static void rtl8169_down(struct net_device *dev); +static void rtl8169_rx_clear(struct rtl8169_private *tp); +static void ec_poll(struct net_device *dev); +static int rtl8169_poll(struct napi_struct *napi, int budget); + +static const unsigned int rtl8169_rx_config = + (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift); + +static void mdio_write(void __iomem *ioaddr, int reg_addr, int value) +{ + int i; + + RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff)); + + for (i = 20; i > 0; i--) { + /* + * Check if the RTL8169 has completed writing to the specified + * MII register. + */ + if (!(RTL_R32(PHYAR) & 0x80000000)) + break; + udelay(25); + } +} + +static int mdio_read(void __iomem *ioaddr, int reg_addr) +{ + int i, value = -1; + + RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16); + + for (i = 20; i > 0; i--) { + /* + * Check if the RTL8169 has completed retrieving data from + * the specified MII register. + */ + if (RTL_R32(PHYAR) & 0x80000000) { + value = RTL_R32(PHYAR) & 0xffff; + break; + } + udelay(25); + } + return value; +} + +static void mdio_patch(void __iomem *ioaddr, int reg_addr, int value) +{ + mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value); +} + +static void mdio_plus_minus(void __iomem *ioaddr, int reg_addr, int p, int m) +{ + int val; + + val = mdio_read(ioaddr, reg_addr); + mdio_write(ioaddr, reg_addr, (val | p) & ~m); +} + +static void rtl_mdio_write(struct net_device *dev, int phy_id, int location, + int val) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + mdio_write(ioaddr, location, val); +} + +static int rtl_mdio_read(struct net_device *dev, int phy_id, int location) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + return mdio_read(ioaddr, location); +} + +static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value) +{ + unsigned int i; + + RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) | + (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); + + for (i = 0; i < 100; i++) { + if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG)) + break; + udelay(10); + } +} + +static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr) +{ + u16 value = 0xffff; + unsigned int i; + + RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); + + for (i = 0; i < 100; i++) { + if (RTL_R32(EPHYAR) & EPHYAR_FLAG) { + value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK; + break; + } + udelay(10); + } + + return value; +} + +static void rtl_csi_write(void __iomem *ioaddr, int addr, int value) +{ + unsigned int i; + + RTL_W32(CSIDR, value); + RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) | + CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT); + + for (i = 0; i < 100; i++) { + if (!(RTL_R32(CSIAR) & CSIAR_FLAG)) + break; + udelay(10); + } +} + +static u32 rtl_csi_read(void __iomem *ioaddr, int addr) +{ + u32 value = ~0x00; + unsigned int i; + + RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | + CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT); + + for (i = 0; i < 100; i++) { + if (RTL_R32(CSIAR) & CSIAR_FLAG) { + value = RTL_R32(CSIDR); + break; + } + udelay(10); + } + + return value; +} + +static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr) +{ + u8 value = 0xff; + unsigned int i; + + RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT); + + for (i = 0; i < 300; i++) { + if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) { + value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK; + break; + } + udelay(100); + } + + return value; +} + +static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr) +{ + RTL_W16(IntrMask, 0x0000); + + RTL_W16(IntrStatus, 0xffff); +} + +static void rtl8169_asic_down(void __iomem *ioaddr) +{ + RTL_W8(ChipCmd, 0x00); + rtl8169_irq_mask_and_ack(ioaddr); + RTL_R16(CPlusCmd); +} + +static unsigned int rtl8169_tbi_reset_pending(void __iomem *ioaddr) +{ + return RTL_R32(TBICSR) & TBIReset; +} + +static unsigned int rtl8169_xmii_reset_pending(void __iomem *ioaddr) +{ + return mdio_read(ioaddr, MII_BMCR) & BMCR_RESET; +} + +static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr) +{ + return RTL_R32(TBICSR) & TBILinkOk; +} + +static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr) +{ + return RTL_R8(PHYstatus) & LinkStatus; +} + +static void rtl8169_tbi_reset_enable(void __iomem *ioaddr) +{ + RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset); +} + +static void rtl8169_xmii_reset_enable(void __iomem *ioaddr) +{ + unsigned int val; + + val = mdio_read(ioaddr, MII_BMCR) | BMCR_RESET; + mdio_write(ioaddr, MII_BMCR, val & 0xffff); +} + +static void rtl8169_check_link_status(struct net_device *dev, + struct rtl8169_private *tp, + void __iomem *ioaddr) +{ + unsigned long flags; + + if (tp->ecdev) { + ecdev_set_link(tp->ecdev, tp->link_ok(ioaddr) ? 1 : 0); + } else { + spin_lock_irqsave(&tp->lock, flags); + if (tp->link_ok(ioaddr)) { + netif_carrier_on(dev); + if (netif_msg_ifup(tp)) + printk(KERN_INFO PFX "%s: link up\n", dev->name); + } else { + if (netif_msg_ifdown(tp)) + printk(KERN_INFO PFX "%s: link down\n", dev->name); + netif_carrier_off(dev); + } + spin_unlock_irqrestore(&tp->lock, flags); + } +} + +static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u8 options; + + wol->wolopts = 0; + +#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) + wol->supported = WAKE_ANY; + + spin_lock_irq(&tp->lock); + + options = RTL_R8(Config1); + if (!(options & PMEnable)) + goto out_unlock; + + options = RTL_R8(Config3); + if (options & LinkUp) + wol->wolopts |= WAKE_PHY; + if (options & MagicPacket) + wol->wolopts |= WAKE_MAGIC; + + options = RTL_R8(Config5); + if (options & UWF) + wol->wolopts |= WAKE_UCAST; + if (options & BWF) + wol->wolopts |= WAKE_BCAST; + if (options & MWF) + wol->wolopts |= WAKE_MCAST; + +out_unlock: + spin_unlock_irq(&tp->lock); +} + +static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned int i; + static struct { + u32 opt; + u16 reg; + u8 mask; + } cfg[] = { + { WAKE_ANY, Config1, PMEnable }, + { WAKE_PHY, Config3, LinkUp }, + { WAKE_MAGIC, Config3, MagicPacket }, + { WAKE_UCAST, Config5, UWF }, + { WAKE_BCAST, Config5, BWF }, + { WAKE_MCAST, Config5, MWF }, + { WAKE_ANY, Config5, LanWake } + }; + + spin_lock_irq(&tp->lock); + + RTL_W8(Cfg9346, Cfg9346_Unlock); + + for (i = 0; i < ARRAY_SIZE(cfg); i++) { + u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask; + if (wol->wolopts & cfg[i].opt) + options |= cfg[i].mask; + RTL_W8(cfg[i].reg, options); + } + + RTL_W8(Cfg9346, Cfg9346_Lock); + + if (wol->wolopts) + tp->features |= RTL_FEATURE_WOL; + else + tp->features &= ~RTL_FEATURE_WOL; + device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts); + + spin_unlock_irq(&tp->lock); + + return 0; +} + +static void rtl8169_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + strcpy(info->driver, MODULENAME); + strcpy(info->version, RTL8169_VERSION); + strcpy(info->bus_info, pci_name(tp->pci_dev)); +} + +static int rtl8169_get_regs_len(struct net_device *dev) +{ + return R8169_REGS_SIZE; +} + +static int rtl8169_set_speed_tbi(struct net_device *dev, + u8 autoneg, u16 speed, u8 duplex) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + int ret = 0; + u32 reg; + + reg = RTL_R32(TBICSR); + if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) && + (duplex == DUPLEX_FULL)) { + RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart)); + } else if (autoneg == AUTONEG_ENABLE) + RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart); + else { + if (netif_msg_link(tp)) { + printk(KERN_WARNING "%s: " + "incorrect speed setting refused in TBI mode\n", + dev->name); + } + ret = -EOPNOTSUPP; + } + + return ret; +} + +static int rtl8169_set_speed_xmii(struct net_device *dev, + u8 autoneg, u16 speed, u8 duplex) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + int giga_ctrl, bmcr; + + if (autoneg == AUTONEG_ENABLE) { + int auto_nego; + + auto_nego = mdio_read(ioaddr, MII_ADVERTISE); + auto_nego |= (ADVERTISE_10HALF | ADVERTISE_10FULL | + ADVERTISE_100HALF | ADVERTISE_100FULL); + auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; + + giga_ctrl = mdio_read(ioaddr, MII_CTRL1000); + giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); + + /* The 8100e/8101e/8102e do Fast Ethernet only. */ + if ((tp->mac_version != RTL_GIGA_MAC_VER_07) && + (tp->mac_version != RTL_GIGA_MAC_VER_08) && + (tp->mac_version != RTL_GIGA_MAC_VER_09) && + (tp->mac_version != RTL_GIGA_MAC_VER_10) && + (tp->mac_version != RTL_GIGA_MAC_VER_13) && + (tp->mac_version != RTL_GIGA_MAC_VER_14) && + (tp->mac_version != RTL_GIGA_MAC_VER_15) && + (tp->mac_version != RTL_GIGA_MAC_VER_16)) { + giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; + } else if (netif_msg_link(tp)) { + printk(KERN_INFO "%s: PHY does not support 1000Mbps.\n", + dev->name); + } + + bmcr = BMCR_ANENABLE | BMCR_ANRESTART; + + if ((tp->mac_version == RTL_GIGA_MAC_VER_11) || + (tp->mac_version == RTL_GIGA_MAC_VER_12) || + (tp->mac_version >= RTL_GIGA_MAC_VER_17)) { + /* + * Wake up the PHY. + * Vendor specific (0x1f) and reserved (0x0e) MII + * registers. + */ + mdio_write(ioaddr, 0x1f, 0x0000); + mdio_write(ioaddr, 0x0e, 0x0000); + } + + mdio_write(ioaddr, MII_ADVERTISE, auto_nego); + mdio_write(ioaddr, MII_CTRL1000, giga_ctrl); + } else { + giga_ctrl = 0; + + if (speed == SPEED_10) + bmcr = 0; + else if (speed == SPEED_100) + bmcr = BMCR_SPEED100; + else + return -EINVAL; + + if (duplex == DUPLEX_FULL) + bmcr |= BMCR_FULLDPLX; + + mdio_write(ioaddr, 0x1f, 0x0000); + } + + tp->phy_1000_ctrl_reg = giga_ctrl; + + mdio_write(ioaddr, MII_BMCR, bmcr); + + if ((tp->mac_version == RTL_GIGA_MAC_VER_02) || + (tp->mac_version == RTL_GIGA_MAC_VER_03)) { + if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) { + mdio_write(ioaddr, 0x17, 0x2138); + mdio_write(ioaddr, 0x0e, 0x0260); + } else { + mdio_write(ioaddr, 0x17, 0x2108); + mdio_write(ioaddr, 0x0e, 0x0000); + } + } + + return 0; +} + +static int rtl8169_set_speed(struct net_device *dev, + u8 autoneg, u16 speed, u8 duplex) +{ + struct rtl8169_private *tp = netdev_priv(dev); + int ret; + + ret = tp->set_speed(dev, autoneg, speed, duplex); + + if (netif_running(dev) && (tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL)) + mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT); + + return ret; +} + +static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct rtl8169_private *tp = netdev_priv(dev); + unsigned long flags; + int ret; + + spin_lock_irqsave(&tp->lock, flags); + ret = rtl8169_set_speed(dev, cmd->autoneg, cmd->speed, cmd->duplex); + spin_unlock_irqrestore(&tp->lock, flags); + + return ret; +} + +static u32 rtl8169_get_rx_csum(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + return tp->cp_cmd & RxChkSum; +} + +static int rtl8169_set_rx_csum(struct net_device *dev, u32 data) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + + spin_lock_irqsave(&tp->lock, flags); + + if (data) + tp->cp_cmd |= RxChkSum; + else + tp->cp_cmd &= ~RxChkSum; + + RTL_W16(CPlusCmd, tp->cp_cmd); + RTL_R16(CPlusCmd); + + spin_unlock_irqrestore(&tp->lock, flags); + + return 0; +} + +#ifdef CONFIG_R8169_VLAN + +static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp, + struct sk_buff *skb) +{ + return (tp->vlgrp && vlan_tx_tag_present(skb)) ? + TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00; +} + +static void rtl8169_vlan_rx_register(struct net_device *dev, + struct vlan_group *grp) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + + spin_lock_irqsave(&tp->lock, flags); + tp->vlgrp = grp; + /* + * Do not disable RxVlan on 8110SCd. + */ + if (tp->vlgrp || (tp->mac_version == RTL_GIGA_MAC_VER_05)) + tp->cp_cmd |= RxVlan; + else + tp->cp_cmd &= ~RxVlan; + RTL_W16(CPlusCmd, tp->cp_cmd); + RTL_R16(CPlusCmd); + spin_unlock_irqrestore(&tp->lock, flags); +} + +static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc, + struct sk_buff *skb) +{ + u32 opts2 = le32_to_cpu(desc->opts2); + struct vlan_group *vlgrp = tp->vlgrp; + int ret; + + if (vlgrp && (opts2 & RxVlanTag)) { + vlan_hwaccel_receive_skb(skb, vlgrp, swab16(opts2 & 0xffff)); + ret = 0; + } else + ret = -1; + desc->opts2 = 0; + return ret; +} + +#else /* !CONFIG_R8169_VLAN */ + +static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp, + struct sk_buff *skb) +{ + return 0; +} + +static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc, + struct sk_buff *skb) +{ + return -1; +} + +#endif + +static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u32 status; + + cmd->supported = + SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE; + cmd->port = PORT_FIBRE; + cmd->transceiver = XCVR_INTERNAL; + + status = RTL_R32(TBICSR); + cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0; + cmd->autoneg = !!(status & TBINwEnable); + + cmd->speed = SPEED_1000; + cmd->duplex = DUPLEX_FULL; /* Always set */ + + return 0; +} + +static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + return mii_ethtool_gset(&tp->mii, cmd); +} + +static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct rtl8169_private *tp = netdev_priv(dev); + unsigned long flags; + int rc; + + spin_lock_irqsave(&tp->lock, flags); + + rc = tp->get_settings(dev, cmd); + + spin_unlock_irqrestore(&tp->lock, flags); + return rc; +} + +static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs, + void *p) +{ + struct rtl8169_private *tp = netdev_priv(dev); + unsigned long flags; + + if (regs->len > R8169_REGS_SIZE) + regs->len = R8169_REGS_SIZE; + + spin_lock_irqsave(&tp->lock, flags); + memcpy_fromio(p, tp->mmio_addr, regs->len); + spin_unlock_irqrestore(&tp->lock, flags); +} + +static u32 rtl8169_get_msglevel(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + return tp->msg_enable; +} + +static void rtl8169_set_msglevel(struct net_device *dev, u32 value) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + tp->msg_enable = value; +} + +static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = { + "tx_packets", + "rx_packets", + "tx_errors", + "rx_errors", + "rx_missed", + "align_errors", + "tx_single_collisions", + "tx_multi_collisions", + "unicast", + "broadcast", + "multicast", + "tx_aborted", + "tx_underrun", +}; + +static int rtl8169_get_sset_count(struct net_device *dev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return ARRAY_SIZE(rtl8169_gstrings); + default: + return -EOPNOTSUPP; + } +} + +static void rtl8169_update_counters(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + struct rtl8169_counters *counters; + dma_addr_t paddr; + u32 cmd; + int wait = 1000; + + /* + * Some chips are unable to dump tally counters when the receiver + * is disabled. + */ + if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0) + return; + + counters = pci_alloc_consistent(tp->pci_dev, sizeof(*counters), &paddr); + if (!counters) + return; + + RTL_W32(CounterAddrHigh, (u64)paddr >> 32); + cmd = (u64)paddr & DMA_BIT_MASK(32); + RTL_W32(CounterAddrLow, cmd); + RTL_W32(CounterAddrLow, cmd | CounterDump); + + while (wait--) { + if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) { + /* copy updated counters */ + memcpy(&tp->counters, counters, sizeof(*counters)); + break; + } + udelay(10); + } + + RTL_W32(CounterAddrLow, 0); + RTL_W32(CounterAddrHigh, 0); + + pci_free_consistent(tp->pci_dev, sizeof(*counters), counters, paddr); +} + +static void rtl8169_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + ASSERT_RTNL(); + + rtl8169_update_counters(dev); + + data[0] = le64_to_cpu(tp->counters.tx_packets); + data[1] = le64_to_cpu(tp->counters.rx_packets); + data[2] = le64_to_cpu(tp->counters.tx_errors); + data[3] = le32_to_cpu(tp->counters.rx_errors); + data[4] = le16_to_cpu(tp->counters.rx_missed); + data[5] = le16_to_cpu(tp->counters.align_errors); + data[6] = le32_to_cpu(tp->counters.tx_one_collision); + data[7] = le32_to_cpu(tp->counters.tx_multi_collision); + data[8] = le64_to_cpu(tp->counters.rx_unicast); + data[9] = le64_to_cpu(tp->counters.rx_broadcast); + data[10] = le32_to_cpu(tp->counters.rx_multicast); + data[11] = le16_to_cpu(tp->counters.tx_aborted); + data[12] = le16_to_cpu(tp->counters.tx_underun); +} + +static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data) +{ + switch(stringset) { + case ETH_SS_STATS: + memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings)); + break; + } +} + +static const struct ethtool_ops rtl8169_ethtool_ops = { + .get_drvinfo = rtl8169_get_drvinfo, + .get_regs_len = rtl8169_get_regs_len, + .get_link = ethtool_op_get_link, + .get_settings = rtl8169_get_settings, + .set_settings = rtl8169_set_settings, + .get_msglevel = rtl8169_get_msglevel, + .set_msglevel = rtl8169_set_msglevel, + .get_rx_csum = rtl8169_get_rx_csum, + .set_rx_csum = rtl8169_set_rx_csum, + .set_tx_csum = ethtool_op_set_tx_csum, + .set_sg = ethtool_op_set_sg, + .set_tso = ethtool_op_set_tso, + .get_regs = rtl8169_get_regs, + .get_wol = rtl8169_get_wol, + .set_wol = rtl8169_set_wol, + .get_strings = rtl8169_get_strings, + .get_sset_count = rtl8169_get_sset_count, + .get_ethtool_stats = rtl8169_get_ethtool_stats, +}; + +static void rtl8169_get_mac_version(struct rtl8169_private *tp, + void __iomem *ioaddr) +{ + /* + * The driver currently handles the 8168Bf and the 8168Be identically + * but they can be identified more specifically through the test below + * if needed: + * + * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be + * + * Same thing for the 8101Eb and the 8101Ec: + * + * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec + */ + const struct { + u32 mask; + u32 val; + int mac_version; + } mac_info[] = { + /* 8168D family. */ + { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 }, + { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 }, + { 0x7c800000, 0x28800000, RTL_GIGA_MAC_VER_27 }, + { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 }, + + /* 8168C family. */ + { 0x7cf00000, 0x3ca00000, RTL_GIGA_MAC_VER_24 }, + { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 }, + { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 }, + { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 }, + { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 }, + { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 }, + { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 }, + { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 }, + { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 }, + + /* 8168B family. */ + { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 }, + { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 }, + { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 }, + { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 }, + + /* 8101 family. */ + { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 }, + { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 }, + { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 }, + { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 }, + { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 }, + { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 }, + { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 }, + { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 }, + { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 }, + { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 }, + { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 }, + { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 }, + /* FIXME: where did these entries come from ? -- FR */ + { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 }, + { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 }, + + /* 8110 family. */ + { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 }, + { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 }, + { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 }, + { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 }, + { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 }, + { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 }, + + /* Catch-all */ + { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE } + }, *p = mac_info; + u32 reg; + + reg = RTL_R32(TxConfig); + while ((reg & p->mask) != p->val) + p++; + tp->mac_version = p->mac_version; +} + +static void rtl8169_print_mac_version(struct rtl8169_private *tp) +{ + dprintk("mac_version = 0x%02x\n", tp->mac_version); +} + +struct phy_reg { + u16 reg; + u16 val; +}; + +static void rtl_phy_write(void __iomem *ioaddr, struct phy_reg *regs, int len) +{ + while (len-- > 0) { + mdio_write(ioaddr, regs->reg, regs->val); + regs++; + } +} + +static void rtl8169s_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x06, 0x006e }, + { 0x08, 0x0708 }, + { 0x15, 0x4000 }, + { 0x18, 0x65c7 }, + + { 0x1f, 0x0001 }, + { 0x03, 0x00a1 }, + { 0x02, 0x0008 }, + { 0x01, 0x0120 }, + { 0x00, 0x1000 }, + { 0x04, 0x0800 }, + { 0x04, 0x0000 }, + + { 0x03, 0xff41 }, + { 0x02, 0xdf60 }, + { 0x01, 0x0140 }, + { 0x00, 0x0077 }, + { 0x04, 0x7800 }, + { 0x04, 0x7000 }, + + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf0f9 }, + { 0x04, 0x9800 }, + { 0x04, 0x9000 }, + + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0xff95 }, + { 0x00, 0xba00 }, + { 0x04, 0xa800 }, + { 0x04, 0xa000 }, + + { 0x03, 0xff41 }, + { 0x02, 0xdf20 }, + { 0x01, 0x0140 }, + { 0x00, 0x00bb }, + { 0x04, 0xb800 }, + { 0x04, 0xb000 }, + + { 0x03, 0xdf41 }, + { 0x02, 0xdc60 }, + { 0x01, 0x6340 }, + { 0x00, 0x007d }, + { 0x04, 0xd800 }, + { 0x04, 0xd000 }, + + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x100a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0xf000 }, + + { 0x1f, 0x0000 }, + { 0x0b, 0x0000 }, + { 0x00, 0x9200 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8169sb_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x01, 0x90d0 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp, + void __iomem *ioaddr) +{ + struct pci_dev *pdev = tp->pci_dev; + u16 vendor_id, device_id; + + pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id); + pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &device_id); + + if ((vendor_id != PCI_VENDOR_ID_GIGABYTE) || (device_id != 0xe000)) + return; + + mdio_write(ioaddr, 0x1f, 0x0001); + mdio_write(ioaddr, 0x10, 0xf01b); + mdio_write(ioaddr, 0x1f, 0x0000); +} + +static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp, + void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x04, 0x0000 }, + { 0x03, 0x00a1 }, + { 0x02, 0x0008 }, + { 0x01, 0x0120 }, + { 0x00, 0x1000 }, + { 0x04, 0x0800 }, + { 0x04, 0x9000 }, + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf099 }, + { 0x04, 0x9800 }, + { 0x04, 0xa000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0xff95 }, + { 0x00, 0xba00 }, + { 0x04, 0xa800 }, + { 0x04, 0xf000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x101a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0x0000 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x10, 0xf41b }, + { 0x14, 0xfb54 }, + { 0x18, 0xf5c7 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + rtl8169scd_hw_phy_config_quirk(tp, ioaddr); +} + +static void rtl8169sce_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x04, 0x0000 }, + { 0x03, 0x00a1 }, + { 0x02, 0x0008 }, + { 0x01, 0x0120 }, + { 0x00, 0x1000 }, + { 0x04, 0x0800 }, + { 0x04, 0x9000 }, + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf099 }, + { 0x04, 0x9800 }, + { 0x04, 0xa000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0xff95 }, + { 0x00, 0xba00 }, + { 0x04, 0xa800 }, + { 0x04, 0xf000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x101a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0x0000 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x0b, 0x8480 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x18, 0x67c7 }, + { 0x04, 0x2000 }, + { 0x03, 0x002f }, + { 0x02, 0x4360 }, + { 0x01, 0x0109 }, + { 0x00, 0x3022 }, + { 0x04, 0x2800 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168bb_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x10, 0xf41b }, + { 0x1f, 0x0000 } + }; + + mdio_write(ioaddr, 0x1f, 0x0001); + mdio_patch(ioaddr, 0x16, 1 << 0); + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168bef_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x10, 0xf41b }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168cp_1_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0000 }, + { 0x1d, 0x0f00 }, + { 0x1f, 0x0002 }, + { 0x0c, 0x1ec8 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168cp_2_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x1d, 0x3d98 }, + { 0x1f, 0x0000 } + }; + + mdio_write(ioaddr, 0x1f, 0x0000); + mdio_patch(ioaddr, 0x14, 1 << 5); + mdio_patch(ioaddr, 0x0d, 1 << 5); + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168c_1_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x12, 0x2300 }, + { 0x1f, 0x0002 }, + { 0x00, 0x88d4 }, + { 0x01, 0x82b1 }, + { 0x03, 0x7002 }, + { 0x08, 0x9e30 }, + { 0x09, 0x01f0 }, + { 0x0a, 0x5500 }, + { 0x0c, 0x00c8 }, + { 0x1f, 0x0003 }, + { 0x12, 0xc096 }, + { 0x16, 0x000a }, + { 0x1f, 0x0000 }, + { 0x1f, 0x0000 }, + { 0x09, 0x2000 }, + { 0x09, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + mdio_patch(ioaddr, 0x14, 1 << 5); + mdio_patch(ioaddr, 0x0d, 1 << 5); + mdio_write(ioaddr, 0x1f, 0x0000); +} + +static void rtl8168c_2_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x12, 0x2300 }, + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf099 }, + { 0x04, 0x9800 }, + { 0x04, 0x9000 }, + { 0x1d, 0x3d98 }, + { 0x1f, 0x0002 }, + { 0x0c, 0x7eb8 }, + { 0x06, 0x0761 }, + { 0x1f, 0x0003 }, + { 0x16, 0x0f0a }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + mdio_patch(ioaddr, 0x16, 1 << 0); + mdio_patch(ioaddr, 0x14, 1 << 5); + mdio_patch(ioaddr, 0x0d, 1 << 5); + mdio_write(ioaddr, 0x1f, 0x0000); +} + +static void rtl8168c_3_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x12, 0x2300 }, + { 0x1d, 0x3d98 }, + { 0x1f, 0x0002 }, + { 0x0c, 0x7eb8 }, + { 0x06, 0x5461 }, + { 0x1f, 0x0003 }, + { 0x16, 0x0f0a }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + mdio_patch(ioaddr, 0x16, 1 << 0); + mdio_patch(ioaddr, 0x14, 1 << 5); + mdio_patch(ioaddr, 0x0d, 1 << 5); + mdio_write(ioaddr, 0x1f, 0x0000); +} + +static void rtl8168c_4_hw_phy_config(void __iomem *ioaddr) +{ + rtl8168c_3_hw_phy_config(ioaddr); +} + +static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr) +{ + static struct phy_reg phy_reg_init_0[] = { + { 0x1f, 0x0001 }, + { 0x06, 0x4064 }, + { 0x07, 0x2863 }, + { 0x08, 0x059c }, + { 0x09, 0x26b4 }, + { 0x0a, 0x6a19 }, + { 0x0b, 0xdcc8 }, + { 0x10, 0xf06d }, + { 0x14, 0x7f68 }, + { 0x18, 0x7fd9 }, + { 0x1c, 0xf0ff }, + { 0x1d, 0x3d9c }, + { 0x1f, 0x0003 }, + { 0x12, 0xf49f }, + { 0x13, 0x070b }, + { 0x1a, 0x05ad }, + { 0x14, 0x94c0 } + }; + static struct phy_reg phy_reg_init_1[] = { + { 0x1f, 0x0002 }, + { 0x06, 0x5561 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8332 }, + { 0x06, 0x5561 } + }; + static struct phy_reg phy_reg_init_2[] = { + { 0x1f, 0x0005 }, + { 0x05, 0xffc2 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8000 }, + { 0x06, 0xf8f9 }, + { 0x06, 0xfaef }, + { 0x06, 0x59ee }, + { 0x06, 0xf8ea }, + { 0x06, 0x00ee }, + { 0x06, 0xf8eb }, + { 0x06, 0x00e0 }, + { 0x06, 0xf87c }, + { 0x06, 0xe1f8 }, + { 0x06, 0x7d59 }, + { 0x06, 0x0fef }, + { 0x06, 0x0139 }, + { 0x06, 0x029e }, + { 0x06, 0x06ef }, + { 0x06, 0x1039 }, + { 0x06, 0x089f }, + { 0x06, 0x2aee }, + { 0x06, 0xf8ea }, + { 0x06, 0x00ee }, + { 0x06, 0xf8eb }, + { 0x06, 0x01e0 }, + { 0x06, 0xf87c }, + { 0x06, 0xe1f8 }, + { 0x06, 0x7d58 }, + { 0x06, 0x409e }, + { 0x06, 0x0f39 }, + { 0x06, 0x46aa }, + { 0x06, 0x0bbf }, + { 0x06, 0x8290 }, + { 0x06, 0xd682 }, + { 0x06, 0x9802 }, + { 0x06, 0x014f }, + { 0x06, 0xae09 }, + { 0x06, 0xbf82 }, + { 0x06, 0x98d6 }, + { 0x06, 0x82a0 }, + { 0x06, 0x0201 }, + { 0x06, 0x4fef }, + { 0x06, 0x95fe }, + { 0x06, 0xfdfc }, + { 0x06, 0x05f8 }, + { 0x06, 0xf9fa }, + { 0x06, 0xeef8 }, + { 0x06, 0xea00 }, + { 0x06, 0xeef8 }, + { 0x06, 0xeb00 }, + { 0x06, 0xe2f8 }, + { 0x06, 0x7ce3 }, + { 0x06, 0xf87d }, + { 0x06, 0xa511 }, + { 0x06, 0x1112 }, + { 0x06, 0xd240 }, + { 0x06, 0xd644 }, + { 0x06, 0x4402 }, + { 0x06, 0x8217 }, + { 0x06, 0xd2a0 }, + { 0x06, 0xd6aa }, + { 0x06, 0xaa02 }, + { 0x06, 0x8217 }, + { 0x06, 0xae0f }, + { 0x06, 0xa544 }, + { 0x06, 0x4402 }, + { 0x06, 0xae4d }, + { 0x06, 0xa5aa }, + { 0x06, 0xaa02 }, + { 0x06, 0xae47 }, + { 0x06, 0xaf82 }, + { 0x06, 0x13ee }, + { 0x06, 0x834e }, + { 0x06, 0x00ee }, + { 0x06, 0x834d }, + { 0x06, 0x0fee }, + { 0x06, 0x834c }, + { 0x06, 0x0fee }, + { 0x06, 0x834f }, + { 0x06, 0x00ee }, + { 0x06, 0x8351 }, + { 0x06, 0x00ee }, + { 0x06, 0x834a }, + { 0x06, 0xffee }, + { 0x06, 0x834b }, + { 0x06, 0xffe0 }, + { 0x06, 0x8330 }, + { 0x06, 0xe183 }, + { 0x06, 0x3158 }, + { 0x06, 0xfee4 }, + { 0x06, 0xf88a }, + { 0x06, 0xe5f8 }, + { 0x06, 0x8be0 }, + { 0x06, 0x8332 }, + { 0x06, 0xe183 }, + { 0x06, 0x3359 }, + { 0x06, 0x0fe2 }, + { 0x06, 0x834d }, + { 0x06, 0x0c24 }, + { 0x06, 0x5af0 }, + { 0x06, 0x1e12 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x8ce5 }, + { 0x06, 0xf88d }, + { 0x06, 0xaf82 }, + { 0x06, 0x13e0 }, + { 0x06, 0x834f }, + { 0x06, 0x10e4 }, + { 0x06, 0x834f }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x009f }, + { 0x06, 0x0ae0 }, + { 0x06, 0x834f }, + { 0x06, 0xa010 }, + { 0x06, 0xa5ee }, + { 0x06, 0x834e }, + { 0x06, 0x01e0 }, + { 0x06, 0x834e }, + { 0x06, 0x7805 }, + { 0x06, 0x9e9a }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x049e }, + { 0x06, 0x10e0 }, + { 0x06, 0x834e }, + { 0x06, 0x7803 }, + { 0x06, 0x9e0f }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x019e }, + { 0x06, 0x05ae }, + { 0x06, 0x0caf }, + { 0x06, 0x81f8 }, + { 0x06, 0xaf81 }, + { 0x06, 0xa3af }, + { 0x06, 0x81dc }, + { 0x06, 0xaf82 }, + { 0x06, 0x13ee }, + { 0x06, 0x8348 }, + { 0x06, 0x00ee }, + { 0x06, 0x8349 }, + { 0x06, 0x00e0 }, + { 0x06, 0x8351 }, + { 0x06, 0x10e4 }, + { 0x06, 0x8351 }, + { 0x06, 0x5801 }, + { 0x06, 0x9fea }, + { 0x06, 0xd000 }, + { 0x06, 0xd180 }, + { 0x06, 0x1f66 }, + { 0x06, 0xe2f8 }, + { 0x06, 0xeae3 }, + { 0x06, 0xf8eb }, + { 0x06, 0x5af8 }, + { 0x06, 0x1e20 }, + { 0x06, 0xe6f8 }, + { 0x06, 0xeae5 }, + { 0x06, 0xf8eb }, + { 0x06, 0xd302 }, + { 0x06, 0xb3fe }, + { 0x06, 0xe2f8 }, + { 0x06, 0x7cef }, + { 0x06, 0x325b }, + { 0x06, 0x80e3 }, + { 0x06, 0xf87d }, + { 0x06, 0x9e03 }, + { 0x06, 0x7dff }, + { 0x06, 0xff0d }, + { 0x06, 0x581c }, + { 0x06, 0x551a }, + { 0x06, 0x6511 }, + { 0x06, 0xa190 }, + { 0x06, 0xd3e2 }, + { 0x06, 0x8348 }, + { 0x06, 0xe383 }, + { 0x06, 0x491b }, + { 0x06, 0x56ab }, + { 0x06, 0x08ef }, + { 0x06, 0x56e6 }, + { 0x06, 0x8348 }, + { 0x06, 0xe783 }, + { 0x06, 0x4910 }, + { 0x06, 0xd180 }, + { 0x06, 0x1f66 }, + { 0x06, 0xa004 }, + { 0x06, 0xb9e2 }, + { 0x06, 0x8348 }, + { 0x06, 0xe383 }, + { 0x06, 0x49ef }, + { 0x06, 0x65e2 }, + { 0x06, 0x834a }, + { 0x06, 0xe383 }, + { 0x06, 0x4b1b }, + { 0x06, 0x56aa }, + { 0x06, 0x0eef }, + { 0x06, 0x56e6 }, + { 0x06, 0x834a }, + { 0x06, 0xe783 }, + { 0x06, 0x4be2 }, + { 0x06, 0x834d }, + { 0x06, 0xe683 }, + { 0x06, 0x4ce0 }, + { 0x06, 0x834d }, + { 0x06, 0xa000 }, + { 0x06, 0x0caf }, + { 0x06, 0x81dc }, + { 0x06, 0xe083 }, + { 0x06, 0x4d10 }, + { 0x06, 0xe483 }, + { 0x06, 0x4dae }, + { 0x06, 0x0480 }, + { 0x06, 0xe483 }, + { 0x06, 0x4de0 }, + { 0x06, 0x834e }, + { 0x06, 0x7803 }, + { 0x06, 0x9e0b }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x049e }, + { 0x06, 0x04ee }, + { 0x06, 0x834e }, + { 0x06, 0x02e0 }, + { 0x06, 0x8332 }, + { 0x06, 0xe183 }, + { 0x06, 0x3359 }, + { 0x06, 0x0fe2 }, + { 0x06, 0x834d }, + { 0x06, 0x0c24 }, + { 0x06, 0x5af0 }, + { 0x06, 0x1e12 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x8ce5 }, + { 0x06, 0xf88d }, + { 0x06, 0xe083 }, + { 0x06, 0x30e1 }, + { 0x06, 0x8331 }, + { 0x06, 0x6801 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x8ae5 }, + { 0x06, 0xf88b }, + { 0x06, 0xae37 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e03 }, + { 0x06, 0xe083 }, + { 0x06, 0x4ce1 }, + { 0x06, 0x834d }, + { 0x06, 0x1b01 }, + { 0x06, 0x9e04 }, + { 0x06, 0xaaa1 }, + { 0x06, 0xaea8 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e04 }, + { 0x06, 0xee83 }, + { 0x06, 0x4f00 }, + { 0x06, 0xaeab }, + { 0x06, 0xe083 }, + { 0x06, 0x4f78 }, + { 0x06, 0x039f }, + { 0x06, 0x14ee }, + { 0x06, 0x834e }, + { 0x06, 0x05d2 }, + { 0x06, 0x40d6 }, + { 0x06, 0x5554 }, + { 0x06, 0x0282 }, + { 0x06, 0x17d2 }, + { 0x06, 0xa0d6 }, + { 0x06, 0xba00 }, + { 0x06, 0x0282 }, + { 0x06, 0x17fe }, + { 0x06, 0xfdfc }, + { 0x06, 0x05f8 }, + { 0x06, 0xe0f8 }, + { 0x06, 0x60e1 }, + { 0x06, 0xf861 }, + { 0x06, 0x6802 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x60e5 }, + { 0x06, 0xf861 }, + { 0x06, 0xe0f8 }, + { 0x06, 0x48e1 }, + { 0x06, 0xf849 }, + { 0x06, 0x580f }, + { 0x06, 0x1e02 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x48e5 }, + { 0x06, 0xf849 }, + { 0x06, 0xd000 }, + { 0x06, 0x0282 }, + { 0x06, 0x5bbf }, + { 0x06, 0x8350 }, + { 0x06, 0xef46 }, + { 0x06, 0xdc19 }, + { 0x06, 0xddd0 }, + { 0x06, 0x0102 }, + { 0x06, 0x825b }, + { 0x06, 0x0282 }, + { 0x06, 0x77e0 }, + { 0x06, 0xf860 }, + { 0x06, 0xe1f8 }, + { 0x06, 0x6158 }, + { 0x06, 0xfde4 }, + { 0x06, 0xf860 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x61fc }, + { 0x06, 0x04f9 }, + { 0x06, 0xfafb }, + { 0x06, 0xc6bf }, + { 0x06, 0xf840 }, + { 0x06, 0xbe83 }, + { 0x06, 0x50a0 }, + { 0x06, 0x0101 }, + { 0x06, 0x071b }, + { 0x06, 0x89cf }, + { 0x06, 0xd208 }, + { 0x06, 0xebdb }, + { 0x06, 0x19b2 }, + { 0x06, 0xfbff }, + { 0x06, 0xfefd }, + { 0x06, 0x04f8 }, + { 0x06, 0xe0f8 }, + { 0x06, 0x48e1 }, + { 0x06, 0xf849 }, + { 0x06, 0x6808 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x48e5 }, + { 0x06, 0xf849 }, + { 0x06, 0x58f7 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x48e5 }, + { 0x06, 0xf849 }, + { 0x06, 0xfc04 }, + { 0x06, 0x4d20 }, + { 0x06, 0x0002 }, + { 0x06, 0x4e22 }, + { 0x06, 0x0002 }, + { 0x06, 0x4ddf }, + { 0x06, 0xff01 }, + { 0x06, 0x4edd }, + { 0x06, 0xff01 }, + { 0x05, 0x83d4 }, + { 0x06, 0x8000 }, + { 0x05, 0x83d8 }, + { 0x06, 0x8051 }, + { 0x02, 0x6010 }, + { 0x03, 0xdc00 }, + { 0x05, 0xfff6 }, + { 0x06, 0x00fc }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0000 }, + { 0x0d, 0xf880 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_plus_minus(ioaddr, 0x0b, 0x0010, 0x00ef); + mdio_plus_minus(ioaddr, 0x0c, 0xa200, 0x5d00); + + rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1)); + + if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) { + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x669a }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x669a }, + { 0x1f, 0x0002 } + }; + int val; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + val = mdio_read(ioaddr, 0x0d); + + if ((val & 0x00ff) != 0x006c) { + u32 set[] = { + 0x0065, 0x0066, 0x0067, 0x0068, + 0x0069, 0x006a, 0x006b, 0x006c + }; + int i; + + mdio_write(ioaddr, 0x1f, 0x0002); + + val &= 0xff00; + for (i = 0; i < ARRAY_SIZE(set); i++) + mdio_write(ioaddr, 0x0d, val | set[i]); + } + } else { + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x6662 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x6662 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + } + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_patch(ioaddr, 0x0d, 0x0300); + mdio_patch(ioaddr, 0x0f, 0x0010); + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600); + mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000); + + rtl_phy_write(ioaddr, phy_reg_init_2, ARRAY_SIZE(phy_reg_init_2)); +} + +static void rtl8168d_2_hw_phy_config(void __iomem *ioaddr) +{ + static struct phy_reg phy_reg_init_0[] = { + { 0x1f, 0x0001 }, + { 0x06, 0x4064 }, + { 0x07, 0x2863 }, + { 0x08, 0x059c }, + { 0x09, 0x26b4 }, + { 0x0a, 0x6a19 }, + { 0x0b, 0xdcc8 }, + { 0x10, 0xf06d }, + { 0x14, 0x7f68 }, + { 0x18, 0x7fd9 }, + { 0x1c, 0xf0ff }, + { 0x1d, 0x3d9c }, + { 0x1f, 0x0003 }, + { 0x12, 0xf49f }, + { 0x13, 0x070b }, + { 0x1a, 0x05ad }, + { 0x14, 0x94c0 }, + + { 0x1f, 0x0002 }, + { 0x06, 0x5561 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8332 }, + { 0x06, 0x5561 } + }; + static struct phy_reg phy_reg_init_1[] = { + { 0x1f, 0x0005 }, + { 0x05, 0xffc2 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8000 }, + { 0x06, 0xf8f9 }, + { 0x06, 0xfaee }, + { 0x06, 0xf8ea }, + { 0x06, 0x00ee }, + { 0x06, 0xf8eb }, + { 0x06, 0x00e2 }, + { 0x06, 0xf87c }, + { 0x06, 0xe3f8 }, + { 0x06, 0x7da5 }, + { 0x06, 0x1111 }, + { 0x06, 0x12d2 }, + { 0x06, 0x40d6 }, + { 0x06, 0x4444 }, + { 0x06, 0x0281 }, + { 0x06, 0xc6d2 }, + { 0x06, 0xa0d6 }, + { 0x06, 0xaaaa }, + { 0x06, 0x0281 }, + { 0x06, 0xc6ae }, + { 0x06, 0x0fa5 }, + { 0x06, 0x4444 }, + { 0x06, 0x02ae }, + { 0x06, 0x4da5 }, + { 0x06, 0xaaaa }, + { 0x06, 0x02ae }, + { 0x06, 0x47af }, + { 0x06, 0x81c2 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e00 }, + { 0x06, 0xee83 }, + { 0x06, 0x4d0f }, + { 0x06, 0xee83 }, + { 0x06, 0x4c0f }, + { 0x06, 0xee83 }, + { 0x06, 0x4f00 }, + { 0x06, 0xee83 }, + { 0x06, 0x5100 }, + { 0x06, 0xee83 }, + { 0x06, 0x4aff }, + { 0x06, 0xee83 }, + { 0x06, 0x4bff }, + { 0x06, 0xe083 }, + { 0x06, 0x30e1 }, + { 0x06, 0x8331 }, + { 0x06, 0x58fe }, + { 0x06, 0xe4f8 }, + { 0x06, 0x8ae5 }, + { 0x06, 0xf88b }, + { 0x06, 0xe083 }, + { 0x06, 0x32e1 }, + { 0x06, 0x8333 }, + { 0x06, 0x590f }, + { 0x06, 0xe283 }, + { 0x06, 0x4d0c }, + { 0x06, 0x245a }, + { 0x06, 0xf01e }, + { 0x06, 0x12e4 }, + { 0x06, 0xf88c }, + { 0x06, 0xe5f8 }, + { 0x06, 0x8daf }, + { 0x06, 0x81c2 }, + { 0x06, 0xe083 }, + { 0x06, 0x4f10 }, + { 0x06, 0xe483 }, + { 0x06, 0x4fe0 }, + { 0x06, 0x834e }, + { 0x06, 0x7800 }, + { 0x06, 0x9f0a }, + { 0x06, 0xe083 }, + { 0x06, 0x4fa0 }, + { 0x06, 0x10a5 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e01 }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x059e }, + { 0x06, 0x9ae0 }, + { 0x06, 0x834e }, + { 0x06, 0x7804 }, + { 0x06, 0x9e10 }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x039e }, + { 0x06, 0x0fe0 }, + { 0x06, 0x834e }, + { 0x06, 0x7801 }, + { 0x06, 0x9e05 }, + { 0x06, 0xae0c }, + { 0x06, 0xaf81 }, + { 0x06, 0xa7af }, + { 0x06, 0x8152 }, + { 0x06, 0xaf81 }, + { 0x06, 0x8baf }, + { 0x06, 0x81c2 }, + { 0x06, 0xee83 }, + { 0x06, 0x4800 }, + { 0x06, 0xee83 }, + { 0x06, 0x4900 }, + { 0x06, 0xe083 }, + { 0x06, 0x5110 }, + { 0x06, 0xe483 }, + { 0x06, 0x5158 }, + { 0x06, 0x019f }, + { 0x06, 0xead0 }, + { 0x06, 0x00d1 }, + { 0x06, 0x801f }, + { 0x06, 0x66e2 }, + { 0x06, 0xf8ea }, + { 0x06, 0xe3f8 }, + { 0x06, 0xeb5a }, + { 0x06, 0xf81e }, + { 0x06, 0x20e6 }, + { 0x06, 0xf8ea }, + { 0x06, 0xe5f8 }, + { 0x06, 0xebd3 }, + { 0x06, 0x02b3 }, + { 0x06, 0xfee2 }, + { 0x06, 0xf87c }, + { 0x06, 0xef32 }, + { 0x06, 0x5b80 }, + { 0x06, 0xe3f8 }, + { 0x06, 0x7d9e }, + { 0x06, 0x037d }, + { 0x06, 0xffff }, + { 0x06, 0x0d58 }, + { 0x06, 0x1c55 }, + { 0x06, 0x1a65 }, + { 0x06, 0x11a1 }, + { 0x06, 0x90d3 }, + { 0x06, 0xe283 }, + { 0x06, 0x48e3 }, + { 0x06, 0x8349 }, + { 0x06, 0x1b56 }, + { 0x06, 0xab08 }, + { 0x06, 0xef56 }, + { 0x06, 0xe683 }, + { 0x06, 0x48e7 }, + { 0x06, 0x8349 }, + { 0x06, 0x10d1 }, + { 0x06, 0x801f }, + { 0x06, 0x66a0 }, + { 0x06, 0x04b9 }, + { 0x06, 0xe283 }, + { 0x06, 0x48e3 }, + { 0x06, 0x8349 }, + { 0x06, 0xef65 }, + { 0x06, 0xe283 }, + { 0x06, 0x4ae3 }, + { 0x06, 0x834b }, + { 0x06, 0x1b56 }, + { 0x06, 0xaa0e }, + { 0x06, 0xef56 }, + { 0x06, 0xe683 }, + { 0x06, 0x4ae7 }, + { 0x06, 0x834b }, + { 0x06, 0xe283 }, + { 0x06, 0x4de6 }, + { 0x06, 0x834c }, + { 0x06, 0xe083 }, + { 0x06, 0x4da0 }, + { 0x06, 0x000c }, + { 0x06, 0xaf81 }, + { 0x06, 0x8be0 }, + { 0x06, 0x834d }, + { 0x06, 0x10e4 }, + { 0x06, 0x834d }, + { 0x06, 0xae04 }, + { 0x06, 0x80e4 }, + { 0x06, 0x834d }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x039e }, + { 0x06, 0x0be0 }, + { 0x06, 0x834e }, + { 0x06, 0x7804 }, + { 0x06, 0x9e04 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e02 }, + { 0x06, 0xe083 }, + { 0x06, 0x32e1 }, + { 0x06, 0x8333 }, + { 0x06, 0x590f }, + { 0x06, 0xe283 }, + { 0x06, 0x4d0c }, + { 0x06, 0x245a }, + { 0x06, 0xf01e }, + { 0x06, 0x12e4 }, + { 0x06, 0xf88c }, + { 0x06, 0xe5f8 }, + { 0x06, 0x8de0 }, + { 0x06, 0x8330 }, + { 0x06, 0xe183 }, + { 0x06, 0x3168 }, + { 0x06, 0x01e4 }, + { 0x06, 0xf88a }, + { 0x06, 0xe5f8 }, + { 0x06, 0x8bae }, + { 0x06, 0x37ee }, + { 0x06, 0x834e }, + { 0x06, 0x03e0 }, + { 0x06, 0x834c }, + { 0x06, 0xe183 }, + { 0x06, 0x4d1b }, + { 0x06, 0x019e }, + { 0x06, 0x04aa }, + { 0x06, 0xa1ae }, + { 0x06, 0xa8ee }, + { 0x06, 0x834e }, + { 0x06, 0x04ee }, + { 0x06, 0x834f }, + { 0x06, 0x00ae }, + { 0x06, 0xabe0 }, + { 0x06, 0x834f }, + { 0x06, 0x7803 }, + { 0x06, 0x9f14 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e05 }, + { 0x06, 0xd240 }, + { 0x06, 0xd655 }, + { 0x06, 0x5402 }, + { 0x06, 0x81c6 }, + { 0x06, 0xd2a0 }, + { 0x06, 0xd6ba }, + { 0x06, 0x0002 }, + { 0x06, 0x81c6 }, + { 0x06, 0xfefd }, + { 0x06, 0xfc05 }, + { 0x06, 0xf8e0 }, + { 0x06, 0xf860 }, + { 0x06, 0xe1f8 }, + { 0x06, 0x6168 }, + { 0x06, 0x02e4 }, + { 0x06, 0xf860 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x61e0 }, + { 0x06, 0xf848 }, + { 0x06, 0xe1f8 }, + { 0x06, 0x4958 }, + { 0x06, 0x0f1e }, + { 0x06, 0x02e4 }, + { 0x06, 0xf848 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x49d0 }, + { 0x06, 0x0002 }, + { 0x06, 0x820a }, + { 0x06, 0xbf83 }, + { 0x06, 0x50ef }, + { 0x06, 0x46dc }, + { 0x06, 0x19dd }, + { 0x06, 0xd001 }, + { 0x06, 0x0282 }, + { 0x06, 0x0a02 }, + { 0x06, 0x8226 }, + { 0x06, 0xe0f8 }, + { 0x06, 0x60e1 }, + { 0x06, 0xf861 }, + { 0x06, 0x58fd }, + { 0x06, 0xe4f8 }, + { 0x06, 0x60e5 }, + { 0x06, 0xf861 }, + { 0x06, 0xfc04 }, + { 0x06, 0xf9fa }, + { 0x06, 0xfbc6 }, + { 0x06, 0xbff8 }, + { 0x06, 0x40be }, + { 0x06, 0x8350 }, + { 0x06, 0xa001 }, + { 0x06, 0x0107 }, + { 0x06, 0x1b89 }, + { 0x06, 0xcfd2 }, + { 0x06, 0x08eb }, + { 0x06, 0xdb19 }, + { 0x06, 0xb2fb }, + { 0x06, 0xfffe }, + { 0x06, 0xfd04 }, + { 0x06, 0xf8e0 }, + { 0x06, 0xf848 }, + { 0x06, 0xe1f8 }, + { 0x06, 0x4968 }, + { 0x06, 0x08e4 }, + { 0x06, 0xf848 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x4958 }, + { 0x06, 0xf7e4 }, + { 0x06, 0xf848 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x49fc }, + { 0x06, 0x044d }, + { 0x06, 0x2000 }, + { 0x06, 0x024e }, + { 0x06, 0x2200 }, + { 0x06, 0x024d }, + { 0x06, 0xdfff }, + { 0x06, 0x014e }, + { 0x06, 0xddff }, + { 0x06, 0x0100 }, + { 0x05, 0x83d8 }, + { 0x06, 0x8000 }, + { 0x03, 0xdc00 }, + { 0x05, 0xfff6 }, + { 0x06, 0x00fc }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0000 }, + { 0x0d, 0xf880 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); + + if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) { + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x669a }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x669a }, + + { 0x1f, 0x0002 } + }; + int val; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + val = mdio_read(ioaddr, 0x0d); + if ((val & 0x00ff) != 0x006c) { + u32 set[] = { + 0x0065, 0x0066, 0x0067, 0x0068, + 0x0069, 0x006a, 0x006b, 0x006c + }; + int i; + + mdio_write(ioaddr, 0x1f, 0x0002); + + val &= 0xff00; + for (i = 0; i < ARRAY_SIZE(set); i++) + mdio_write(ioaddr, 0x0d, val | set[i]); + } + } else { + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x2642 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x2642 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + } + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600); + mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000); + + mdio_write(ioaddr, 0x1f, 0x0001); + mdio_write(ioaddr, 0x17, 0x0cc0); + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_patch(ioaddr, 0x0f, 0x0017); + + rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1)); +} + +static void rtl8168d_3_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x10, 0x0008 }, + { 0x0d, 0x006c }, + + { 0x1f, 0x0000 }, + { 0x0d, 0xf880 }, + + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + + { 0x1f, 0x0001 }, + { 0x0b, 0xa4d8 }, + { 0x09, 0x281c }, + { 0x07, 0x2883 }, + { 0x0a, 0x6b35 }, + { 0x1d, 0x3da4 }, + { 0x1c, 0xeffd }, + { 0x14, 0x7f52 }, + { 0x18, 0x7fc6 }, + { 0x08, 0x0601 }, + { 0x06, 0x4063 }, + { 0x10, 0xf074 }, + { 0x1f, 0x0003 }, + { 0x13, 0x0789 }, + { 0x12, 0xf4bd }, + { 0x1a, 0x04fd }, + { 0x14, 0x84b0 }, + { 0x1f, 0x0000 }, + { 0x00, 0x9200 }, + + { 0x1f, 0x0005 }, + { 0x01, 0x0340 }, + { 0x1f, 0x0001 }, + { 0x04, 0x4000 }, + { 0x03, 0x1d21 }, + { 0x02, 0x0c32 }, + { 0x01, 0x0200 }, + { 0x00, 0x5554 }, + { 0x04, 0x4800 }, + { 0x04, 0x4000 }, + { 0x04, 0xf000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x101a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0xf000 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0007 }, + { 0x1e, 0x0023 }, + { 0x16, 0x0000 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8102e_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0003 }, + { 0x08, 0x441d }, + { 0x01, 0x9100 }, + { 0x1f, 0x0000 } + }; + + mdio_write(ioaddr, 0x1f, 0x0000); + mdio_patch(ioaddr, 0x11, 1 << 12); + mdio_patch(ioaddr, 0x19, 1 << 13); + mdio_patch(ioaddr, 0x10, 1 << 15); + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl_hw_phy_config(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + rtl8169_print_mac_version(tp); + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_01: + break; + case RTL_GIGA_MAC_VER_02: + case RTL_GIGA_MAC_VER_03: + rtl8169s_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_04: + rtl8169sb_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_05: + rtl8169scd_hw_phy_config(tp, ioaddr); + break; + case RTL_GIGA_MAC_VER_06: + rtl8169sce_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_07: + case RTL_GIGA_MAC_VER_08: + case RTL_GIGA_MAC_VER_09: + rtl8102e_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_11: + rtl8168bb_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_12: + rtl8168bef_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_17: + rtl8168bef_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_18: + rtl8168cp_1_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_19: + rtl8168c_1_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_20: + rtl8168c_2_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_21: + rtl8168c_3_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_22: + rtl8168c_4_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_23: + case RTL_GIGA_MAC_VER_24: + rtl8168cp_2_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_25: + rtl8168d_1_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_26: + rtl8168d_2_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_27: + rtl8168d_3_hw_phy_config(ioaddr); + break; + + default: + break; + } +} + +static void rtl8169_phy_timer(unsigned long __opaque) +{ + struct net_device *dev = (struct net_device *)__opaque; + struct rtl8169_private *tp = netdev_priv(dev); + struct timer_list *timer = &tp->timer; + void __iomem *ioaddr = tp->mmio_addr; + unsigned long timeout = RTL8169_PHY_TIMEOUT; + + assert(tp->mac_version > RTL_GIGA_MAC_VER_01); + + if (!(tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL)) + return; + + if (!tp->ecdev) + spin_lock_irq(&tp->lock); + + if (tp->phy_reset_pending(ioaddr)) { + /* + * A busy loop could burn quite a few cycles on nowadays CPU. + * Let's delay the execution of the timer for a few ticks. + */ + timeout = HZ/10; + goto out_mod_timer; + } + + if (tp->link_ok(ioaddr)) + goto out_unlock; + + if (netif_msg_link(tp)) + printk(KERN_WARNING "%s: PHY reset until link up\n", dev->name); + + tp->phy_reset_enable(ioaddr); + +out_mod_timer: + if (!tp->ecdev) + mod_timer(timer, jiffies + timeout); +out_unlock: + if (!tp->ecdev) + spin_unlock_irq(&tp->lock); +} + +static inline void rtl8169_delete_timer(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct timer_list *timer = &tp->timer; + + if (tp->ecdev || tp->mac_version <= RTL_GIGA_MAC_VER_01) + return; + + del_timer_sync(timer); +} + +static inline void rtl8169_request_timer(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct timer_list *timer = &tp->timer; + + if (tp->ecdev || tp->mac_version <= RTL_GIGA_MAC_VER_01) + return; + + mod_timer(timer, jiffies + RTL8169_PHY_TIMEOUT); +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling 'interrupt' - used by things like netconsole to send skbs + * without having to re-enable interrupts. It's not called while + * the interrupt routine is executing. + */ +static void rtl8169_netpoll(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + + disable_irq(pdev->irq); + rtl8169_interrupt(pdev->irq, dev); + enable_irq(pdev->irq); +} +#endif + +static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev, + void __iomem *ioaddr) +{ + iounmap(ioaddr); + pci_release_regions(pdev); + pci_disable_device(pdev); + free_netdev(dev); +} + +static void rtl8169_phy_reset(struct net_device *dev, + struct rtl8169_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + unsigned int i; + + tp->phy_reset_enable(ioaddr); + for (i = 0; i < 100; i++) { + if (!tp->phy_reset_pending(ioaddr)) + return; + msleep(1); + } + if (netif_msg_link(tp)) + printk(KERN_ERR "%s: PHY reset failed.\n", dev->name); +} + +static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + + rtl_hw_phy_config(dev); + + if (tp->mac_version <= RTL_GIGA_MAC_VER_06) { + dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); + RTL_W8(0x82, 0x01); + } + + pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40); + + if (tp->mac_version <= RTL_GIGA_MAC_VER_06) + pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); + + if (tp->mac_version == RTL_GIGA_MAC_VER_02) { + dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); + RTL_W8(0x82, 0x01); + dprintk("Set PHY Reg 0x0bh = 0x00h\n"); + mdio_write(ioaddr, 0x0b, 0x0000); //w 0x0b 15 0 0 + } + + rtl8169_phy_reset(dev, tp); + + /* + * rtl8169_set_speed_xmii takes good care of the Fast Ethernet + * only 8101. Don't panic. + */ + rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL); + + if ((RTL_R8(PHYstatus) & TBI_Enable) && netif_msg_link(tp)) + printk(KERN_INFO PFX "%s: TBI auto-negotiating\n", dev->name); +} + +static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr) +{ + void __iomem *ioaddr = tp->mmio_addr; + u32 high; + u32 low; + + low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24); + high = addr[4] | (addr[5] << 8); + + spin_lock_irq(&tp->lock); + + RTL_W8(Cfg9346, Cfg9346_Unlock); + RTL_W32(MAC0, low); + RTL_W32(MAC4, high); + RTL_W8(Cfg9346, Cfg9346_Lock); + + spin_unlock_irq(&tp->lock); +} + +static int rtl_set_mac_address(struct net_device *dev, void *p) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct sockaddr *addr = p; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + + rtl_rar_set(tp, dev->dev_addr); + + return 0; +} + +static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct mii_ioctl_data *data = if_mii(ifr); + + return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV; +} + +static int rtl_xmii_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd) +{ + switch (cmd) { + case SIOCGMIIPHY: + data->phy_id = 32; /* Internal PHY */ + return 0; + + case SIOCGMIIREG: + data->val_out = mdio_read(tp->mmio_addr, data->reg_num & 0x1f); + return 0; + + case SIOCSMIIREG: + mdio_write(tp->mmio_addr, data->reg_num & 0x1f, data->val_in); + return 0; + } + return -EOPNOTSUPP; +} + +static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd) +{ + return -EOPNOTSUPP; +} + +static const struct rtl_cfg_info { + void (*hw_start)(struct net_device *); + unsigned int region; + unsigned int align; + u16 intr_event; + u16 napi_event; + unsigned features; + u8 default_ver; +} rtl_cfg_infos [] = { + [RTL_CFG_0] = { + .hw_start = rtl_hw_start_8169, + .region = 1, + .align = 0, + .intr_event = SYSErr | LinkChg | RxOverflow | + RxFIFOOver | TxErr | TxOK | RxOK | RxErr, + .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow, + .features = RTL_FEATURE_GMII, + .default_ver = RTL_GIGA_MAC_VER_01, + }, + [RTL_CFG_1] = { + .hw_start = rtl_hw_start_8168, + .region = 2, + .align = 8, + .intr_event = SYSErr | LinkChg | RxOverflow | + TxErr | TxOK | RxOK | RxErr, + .napi_event = TxErr | TxOK | RxOK | RxOverflow, + .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI, + .default_ver = RTL_GIGA_MAC_VER_11, + }, + [RTL_CFG_2] = { + .hw_start = rtl_hw_start_8101, + .region = 2, + .align = 8, + .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout | + RxFIFOOver | TxErr | TxOK | RxOK | RxErr, + .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow, + .features = RTL_FEATURE_MSI, + .default_ver = RTL_GIGA_MAC_VER_13, + } +}; + +/* Cfg9346_Unlock assumed. */ +static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr, + const struct rtl_cfg_info *cfg) +{ + unsigned msi = 0; + u8 cfg2; + + cfg2 = RTL_R8(Config2) & ~MSIEnable; + if (cfg->features & RTL_FEATURE_MSI) { + if (pci_enable_msi(pdev)) { + dev_info(&pdev->dev, "no MSI. Back to INTx.\n"); + } else { + cfg2 |= MSIEnable; + msi = RTL_FEATURE_MSI; + } + } + RTL_W8(Config2, cfg2); + return msi; +} + +static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp) +{ + if (tp->features & RTL_FEATURE_MSI) { + pci_disable_msi(pdev); + tp->features &= ~RTL_FEATURE_MSI; + } +} + +static const struct net_device_ops rtl8169_netdev_ops = { + .ndo_open = rtl8169_open, + .ndo_stop = rtl8169_close, + .ndo_get_stats = rtl8169_get_stats, + .ndo_start_xmit = rtl8169_start_xmit, + .ndo_tx_timeout = rtl8169_tx_timeout, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = rtl8169_change_mtu, + .ndo_set_mac_address = rtl_set_mac_address, + .ndo_do_ioctl = rtl8169_ioctl, + .ndo_set_multicast_list = rtl_set_rx_mode, +#ifdef CONFIG_R8169_VLAN + .ndo_vlan_rx_register = rtl8169_vlan_rx_register, +#endif +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = rtl8169_netpoll, +#endif + +}; + +static int __devinit +rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data; + const unsigned int region = cfg->region; + struct rtl8169_private *tp; + struct mii_if_info *mii; + struct net_device *dev; + void __iomem *ioaddr; + unsigned int i; + int rc; + + if (netif_msg_drv(&debug)) { + printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n", + MODULENAME, RTL8169_VERSION); + } + + dev = alloc_etherdev(sizeof (*tp)); + if (!dev) { + if (netif_msg_drv(&debug)) + dev_err(&pdev->dev, "unable to alloc new ethernet\n"); + rc = -ENOMEM; + goto out; + } + + SET_NETDEV_DEV(dev, &pdev->dev); + dev->netdev_ops = &rtl8169_netdev_ops; + tp = netdev_priv(dev); + tp->dev = dev; + tp->pci_dev = pdev; + tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT); + + mii = &tp->mii; + mii->dev = dev; + mii->mdio_read = rtl_mdio_read; + mii->mdio_write = rtl_mdio_write; + mii->phy_id_mask = 0x1f; + mii->reg_num_mask = 0x1f; + mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII); + + /* enable device (incl. PCI PM wakeup and hotplug setup) */ + rc = pci_enable_device(pdev); + if (rc < 0) { + if (netif_msg_probe(tp)) + dev_err(&pdev->dev, "enable failure\n"); + goto err_out_free_dev_1; + } + + rc = pci_set_mwi(pdev); + if (rc < 0) + goto err_out_disable_2; + + /* make sure PCI base addr 1 is MMIO */ + if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) { + if (netif_msg_probe(tp)) { + dev_err(&pdev->dev, + "region #%d not an MMIO resource, aborting\n", + region); + } + rc = -ENODEV; + goto err_out_mwi_3; + } + + /* check for weird/broken PCI region reporting */ + if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) { + if (netif_msg_probe(tp)) { + dev_err(&pdev->dev, + "Invalid PCI region size(s), aborting\n"); + } + rc = -ENODEV; + goto err_out_mwi_3; + } + + rc = pci_request_regions(pdev, MODULENAME); + if (rc < 0) { + if (netif_msg_probe(tp)) + dev_err(&pdev->dev, "could not request regions.\n"); + goto err_out_mwi_3; + } + + tp->cp_cmd = PCIMulRW | RxChkSum; + + if ((sizeof(dma_addr_t) > 4) && + !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) { + tp->cp_cmd |= PCIDAC; + dev->features |= NETIF_F_HIGHDMA; + } else { + rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (rc < 0) { + if (netif_msg_probe(tp)) { + dev_err(&pdev->dev, + "DMA configuration failed.\n"); + } + goto err_out_free_res_4; + } + } + + /* ioremap MMIO region */ + ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE); + if (!ioaddr) { + if (netif_msg_probe(tp)) + dev_err(&pdev->dev, "cannot remap MMIO, aborting\n"); + rc = -EIO; + goto err_out_free_res_4; + } + + tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); + if (!tp->pcie_cap && netif_msg_probe(tp)) + dev_info(&pdev->dev, "no PCI Express capability\n"); + + RTL_W16(IntrMask, 0x0000); + + /* Soft reset the chip. */ + RTL_W8(ChipCmd, CmdReset); + + /* Check that the chip has finished the reset. */ + for (i = 0; i < 100; i++) { + if ((RTL_R8(ChipCmd) & CmdReset) == 0) + break; + msleep_interruptible(1); + } + + RTL_W16(IntrStatus, 0xffff); + + pci_set_master(pdev); + + /* Identify chip attached to board */ + rtl8169_get_mac_version(tp, ioaddr); + + /* Use appropriate default if unknown */ + if (tp->mac_version == RTL_GIGA_MAC_NONE) { + if (netif_msg_probe(tp)) { + dev_notice(&pdev->dev, + "unknown MAC, using family default\n"); + } + tp->mac_version = cfg->default_ver; + } + + rtl8169_print_mac_version(tp); + + for (i = 0; i < ARRAY_SIZE(rtl_chip_info); i++) { + if (tp->mac_version == rtl_chip_info[i].mac_version) + break; + } + if (i == ARRAY_SIZE(rtl_chip_info)) { + dev_err(&pdev->dev, + "driver bug, MAC version not found in rtl_chip_info\n"); + goto err_out_msi_5; + } + tp->chipset = i; + + RTL_W8(Cfg9346, Cfg9346_Unlock); + RTL_W8(Config1, RTL_R8(Config1) | PMEnable); + RTL_W8(Config5, RTL_R8(Config5) & PMEStatus); + if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0) + tp->features |= RTL_FEATURE_WOL; + if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0) + tp->features |= RTL_FEATURE_WOL; + tp->features |= rtl_try_msi(pdev, ioaddr, cfg); + RTL_W8(Cfg9346, Cfg9346_Lock); + + if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) && + (RTL_R8(PHYstatus) & TBI_Enable)) { + tp->set_speed = rtl8169_set_speed_tbi; + tp->get_settings = rtl8169_gset_tbi; + tp->phy_reset_enable = rtl8169_tbi_reset_enable; + tp->phy_reset_pending = rtl8169_tbi_reset_pending; + tp->link_ok = rtl8169_tbi_link_ok; + tp->do_ioctl = rtl_tbi_ioctl; + + tp->phy_1000_ctrl_reg = ADVERTISE_1000FULL; /* Implied by TBI */ + } else { + tp->set_speed = rtl8169_set_speed_xmii; + tp->get_settings = rtl8169_gset_xmii; + tp->phy_reset_enable = rtl8169_xmii_reset_enable; + tp->phy_reset_pending = rtl8169_xmii_reset_pending; + tp->link_ok = rtl8169_xmii_link_ok; + tp->do_ioctl = rtl_xmii_ioctl; + } + + spin_lock_init(&tp->lock); + + tp->mmio_addr = ioaddr; + + /* Get MAC address */ + for (i = 0; i < MAC_ADDR_LEN; i++) + dev->dev_addr[i] = RTL_R8(MAC0 + i); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); + + SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops); + dev->watchdog_timeo = RTL8169_TX_TIMEOUT; + dev->irq = pdev->irq; + dev->base_addr = (unsigned long) ioaddr; + + netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT); + +#ifdef CONFIG_R8169_VLAN + dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; +#endif + + tp->intr_mask = 0xffff; + tp->align = cfg->align; + tp->hw_start = cfg->hw_start; + tp->intr_event = cfg->intr_event; + tp->napi_event = cfg->napi_event; + + init_timer(&tp->timer); + tp->timer.data = (unsigned long) dev; + tp->timer.function = rtl8169_phy_timer; + + // offer device to EtherCAT master module + tp->ecdev = ecdev_offer(dev, ec_poll, THIS_MODULE); + + if (!tp->ecdev) { + rc = register_netdev(dev); + if (rc < 0) + goto err_out_msi_5; + } + + pci_set_drvdata(pdev, dev); + + if (netif_msg_probe(tp)) { + u32 xid = RTL_R32(TxConfig) & 0x9cf0f8ff; + + printk(KERN_INFO "%s: %s at 0x%lx, " + "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, " + "XID %08x IRQ %d\n", + dev->name, + rtl_chip_info[tp->chipset].name, + dev->base_addr, + dev->dev_addr[0], dev->dev_addr[1], + dev->dev_addr[2], dev->dev_addr[3], + dev->dev_addr[4], dev->dev_addr[5], xid, dev->irq); + } + + rtl8169_init_phy(dev, tp); + + /* + * Pretend we are using VLANs; This bypasses a nasty bug where + * Interrupts stop flowing on high load on 8110SCd controllers. + */ + if (tp->mac_version == RTL_GIGA_MAC_VER_05) + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | RxVlan); + + device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL); + if (tp->ecdev && ecdev_open(tp->ecdev)) { + ecdev_withdraw(tp->ecdev); + goto err_out_msi_5; + } + +out: + return rc; + +err_out_msi_5: + rtl_disable_msi(pdev, tp); + iounmap(ioaddr); +err_out_free_res_4: + pci_release_regions(pdev); +err_out_mwi_3: + pci_clear_mwi(pdev); +err_out_disable_2: + pci_disable_device(pdev); +err_out_free_dev_1: + free_netdev(dev); + goto out; +} + +static void __devexit rtl8169_remove_one(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + + flush_scheduled_work(); + + if (tp->ecdev) { + ecdev_close(tp->ecdev); + ecdev_withdraw(tp->ecdev); + } else { + unregister_netdev(dev); + } + + /* restore original MAC address */ + rtl_rar_set(tp, dev->perm_addr); + + rtl_disable_msi(pdev, tp); + rtl8169_release_board(pdev, dev, tp->mmio_addr); + pci_set_drvdata(pdev, NULL); +} + +static void rtl8169_set_rxbufsize(struct rtl8169_private *tp, + struct net_device *dev) +{ + unsigned int max_frame = dev->mtu + VLAN_ETH_HLEN + ETH_FCS_LEN; + + tp->rx_buf_sz = (max_frame > RX_BUF_SIZE) ? max_frame : RX_BUF_SIZE; +} + +static int rtl8169_open(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + int retval = -ENOMEM; + + + rtl8169_set_rxbufsize(tp, dev); + + /* + * Rx and Tx desscriptors needs 256 bytes alignment. + * pci_alloc_consistent provides more. + */ + tp->TxDescArray = pci_alloc_consistent(pdev, R8169_TX_RING_BYTES, + &tp->TxPhyAddr); + if (!tp->TxDescArray) + goto out; + + tp->RxDescArray = pci_alloc_consistent(pdev, R8169_RX_RING_BYTES, + &tp->RxPhyAddr); + if (!tp->RxDescArray) + goto err_free_tx_0; + + retval = rtl8169_init_ring(dev); + if (retval < 0) + goto err_free_rx_1; + + INIT_DELAYED_WORK(&tp->task, NULL); + + smp_mb(); + + if (!tp->ecdev) { + retval = request_irq(dev->irq, rtl8169_interrupt, + (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED, + dev->name, dev); + if (retval < 0) + goto err_release_ring_2; + + napi_enable(&tp->napi); + + } + + rtl_hw_start(dev); + + rtl8169_request_timer(dev); + + rtl8169_check_link_status(dev, tp, tp->mmio_addr); +out: + return retval; + +err_release_ring_2: + rtl8169_rx_clear(tp); +err_free_rx_1: + pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray, + tp->RxPhyAddr); +err_free_tx_0: + pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray, + tp->TxPhyAddr); + goto out; +} + +static void rtl8169_hw_reset(void __iomem *ioaddr) +{ + /* Disable interrupts */ + rtl8169_irq_mask_and_ack(ioaddr); + + /* Reset the chipset */ + RTL_W8(ChipCmd, CmdReset); + + /* PCI commit */ + RTL_R8(ChipCmd); +} + +static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + u32 cfg = rtl8169_rx_config; + + cfg |= (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask); + RTL_W32(RxConfig, cfg); + + /* Set DMA burst size and Interframe Gap Time */ + RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | + (InterFrameGap << TxInterFrameGapShift)); +} + +static void rtl_hw_start(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned int i; + + /* Soft reset the chip. */ + RTL_W8(ChipCmd, CmdReset); + + /* Check that the chip has finished the reset. */ + for (i = 0; i < 100; i++) { + if ((RTL_R8(ChipCmd) & CmdReset) == 0) + break; + msleep_interruptible(1); + } + + tp->hw_start(dev); + + if (!tp->ecdev) + netif_start_queue(dev); +} + + +static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp, + void __iomem *ioaddr) +{ + /* + * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh + * register to be written before TxDescAddrLow to work. + * Switching from MMIO to I/O access fixes the issue as well. + */ + RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32); + RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32)); + RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32); + RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32)); +} + +static u16 rtl_rw_cpluscmd(void __iomem *ioaddr) +{ + u16 cmd; + + cmd = RTL_R16(CPlusCmd); + RTL_W16(CPlusCmd, cmd); + return cmd; +} + +static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz) +{ + /* Low hurts. Let's disable the filtering. */ + RTL_W16(RxMaxSize, rx_buf_sz + 1); +} + +static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version) +{ + struct { + u32 mac_version; + u32 clk; + u32 val; + } cfg2_info [] = { + { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd + { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff }, + { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe + { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff } + }, *p = cfg2_info; + unsigned int i; + u32 clk; + + clk = RTL_R8(Config2) & PCI_Clock_66MHz; + for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) { + if ((p->mac_version == mac_version) && (p->clk == clk)) { + RTL_W32(0x7c, p->val); + break; + } + } +} + +static void rtl_hw_start_8169(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + struct pci_dev *pdev = tp->pci_dev; + + if (tp->mac_version == RTL_GIGA_MAC_VER_05) { + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW); + pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08); + } + + RTL_W8(Cfg9346, Cfg9346_Unlock); + if ((tp->mac_version == RTL_GIGA_MAC_VER_01) || + (tp->mac_version == RTL_GIGA_MAC_VER_02) || + (tp->mac_version == RTL_GIGA_MAC_VER_03) || + (tp->mac_version == RTL_GIGA_MAC_VER_04)) + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz); + + if ((tp->mac_version == RTL_GIGA_MAC_VER_01) || + (tp->mac_version == RTL_GIGA_MAC_VER_02) || + (tp->mac_version == RTL_GIGA_MAC_VER_03) || + (tp->mac_version == RTL_GIGA_MAC_VER_04)) + rtl_set_rx_tx_config_registers(tp); + + tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW; + + if ((tp->mac_version == RTL_GIGA_MAC_VER_02) || + (tp->mac_version == RTL_GIGA_MAC_VER_03)) { + dprintk("Set MAC Reg C+CR Offset 0xE0. " + "Bit-3 and bit-14 MUST be 1\n"); + tp->cp_cmd |= (1 << 14); + } + + RTL_W16(CPlusCmd, tp->cp_cmd); + + rtl8169_set_magic_reg(ioaddr, tp->mac_version); + + /* + * Undocumented corner. Supposedly: + * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets + */ + RTL_W16(IntrMitigate, 0x0000); + + rtl_set_rx_tx_desc_registers(tp, ioaddr); + + if ((tp->mac_version != RTL_GIGA_MAC_VER_01) && + (tp->mac_version != RTL_GIGA_MAC_VER_02) && + (tp->mac_version != RTL_GIGA_MAC_VER_03) && + (tp->mac_version != RTL_GIGA_MAC_VER_04)) { + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + rtl_set_rx_tx_config_registers(tp); + } + + RTL_W8(Cfg9346, Cfg9346_Lock); + + /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ + RTL_R8(IntrMask); + + RTL_W32(RxMissed, 0); + + rtl_set_rx_mode(dev); + + /* no early-rx interrupts */ + RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000); + + /* Enable all known interrupts by setting the interrupt mask. */ + if (!tp->ecdev) + RTL_W16(IntrMask, tp->intr_event); +} + +static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + int cap = tp->pcie_cap; + + if (cap) { + u16 ctl; + + pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl); + ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force; + pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl); + } +} + +static void rtl_csi_access_enable(void __iomem *ioaddr) +{ + u32 csi; + + csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff; + rtl_csi_write(ioaddr, 0x070c, csi | 0x27000000); +} + +struct ephy_info { + unsigned int offset; + u16 mask; + u16 bits; +}; + +static void rtl_ephy_init(void __iomem *ioaddr, struct ephy_info *e, int len) +{ + u16 w; + + while (len-- > 0) { + w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits; + rtl_ephy_write(ioaddr, e->offset, w); + e++; + } +} + +static void rtl_disable_clock_request(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + int cap = tp->pcie_cap; + + if (cap) { + u16 ctl; + + pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl); + ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN; + pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl); + } +} + +#define R8168_CPCMD_QUIRK_MASK (\ + EnableBist | \ + Mac_dbgo_oe | \ + Force_half_dup | \ + Force_rxflow_en | \ + Force_txflow_en | \ + Cxpl_dbg_sel | \ + ASF | \ + PktCntrDisable | \ + Mac_dbgo_sel) + +static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev) +{ + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); + + rtl_tx_performance_tweak(pdev, + (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN); +} + +static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_hw_start_8168bb(ioaddr, pdev); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0)); +} + +static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev) +{ + RTL_W8(Config1, RTL_R8(Config1) | Speed_down); + + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + rtl_disable_clock_request(pdev); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); +} + +static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev) +{ + static struct ephy_info e_info_8168cp[] = { + { 0x01, 0, 0x0001 }, + { 0x02, 0x0800, 0x1000 }, + { 0x03, 0, 0x0042 }, + { 0x06, 0x0080, 0x0000 }, + { 0x07, 0, 0x2000 } + }; + + rtl_csi_access_enable(ioaddr); + + rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp)); + + __rtl_hw_start_8168cp(ioaddr, pdev); +} + +static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); +} + +static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + /* Magic. */ + RTL_W8(DBG_REG, 0x20); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); +} + +static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev) +{ + static struct ephy_info e_info_8168c_1[] = { + { 0x02, 0x0800, 0x1000 }, + { 0x03, 0, 0x0002 }, + { 0x06, 0x0080, 0x0000 } + }; + + rtl_csi_access_enable(ioaddr); + + RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2); + + rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1)); + + __rtl_hw_start_8168cp(ioaddr, pdev); +} + +static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev) +{ + static struct ephy_info e_info_8168c_2[] = { + { 0x01, 0, 0x0001 }, + { 0x03, 0x0400, 0x0220 } + }; + + rtl_csi_access_enable(ioaddr); + + rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2)); + + __rtl_hw_start_8168cp(ioaddr, pdev); +} + +static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_hw_start_8168c_2(ioaddr, pdev); +} + +static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + __rtl_hw_start_8168cp(ioaddr, pdev); +} + +static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + rtl_disable_clock_request(pdev); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); +} + +static void rtl_hw_start_8168(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + struct pci_dev *pdev = tp->pci_dev; + + RTL_W8(Cfg9346, Cfg9346_Unlock); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz); + + tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1; + + RTL_W16(CPlusCmd, tp->cp_cmd); + + RTL_W16(IntrMitigate, 0x5151); + + /* Work around for RxFIFO overflow. */ + if (tp->mac_version == RTL_GIGA_MAC_VER_11) { + tp->intr_event |= RxFIFOOver | PCSTimeout; + tp->intr_event &= ~RxOverflow; + } + + rtl_set_rx_tx_desc_registers(tp, ioaddr); + + rtl_set_rx_mode(dev); + + RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | + (InterFrameGap << TxInterFrameGapShift)); + + RTL_R8(IntrMask); + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_11: + rtl_hw_start_8168bb(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_12: + case RTL_GIGA_MAC_VER_17: + rtl_hw_start_8168bef(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_18: + rtl_hw_start_8168cp_1(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_19: + rtl_hw_start_8168c_1(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_20: + rtl_hw_start_8168c_2(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_21: + rtl_hw_start_8168c_3(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_22: + rtl_hw_start_8168c_4(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_23: + rtl_hw_start_8168cp_2(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_24: + rtl_hw_start_8168cp_3(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_25: + case RTL_GIGA_MAC_VER_26: + case RTL_GIGA_MAC_VER_27: + rtl_hw_start_8168d(ioaddr, pdev); + break; + + default: + printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n", + dev->name, tp->mac_version); + break; + } + + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + + RTL_W8(Cfg9346, Cfg9346_Lock); + + RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000); + + if (!tp->ecdev) + RTL_W16(IntrMask, tp->intr_event); +} + +#define R810X_CPCMD_QUIRK_MASK (\ + EnableBist | \ + Mac_dbgo_oe | \ + Force_half_dup | \ + Force_rxflow_en | \ + Force_txflow_en | \ + Cxpl_dbg_sel | \ + ASF | \ + PktCntrDisable | \ + PCIDAC | \ + PCIMulRW) + +static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev) +{ + static struct ephy_info e_info_8102e_1[] = { + { 0x01, 0, 0x6e65 }, + { 0x02, 0, 0x091f }, + { 0x03, 0, 0xc2f9 }, + { 0x06, 0, 0xafb5 }, + { 0x07, 0, 0x0e00 }, + { 0x19, 0, 0xec80 }, + { 0x01, 0, 0x2e65 }, + { 0x01, 0, 0x6e65 } + }; + u8 cfg1; + + rtl_csi_access_enable(ioaddr); + + RTL_W8(DBG_REG, FIX_NAK_1); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W8(Config1, + LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable); + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + cfg1 = RTL_R8(Config1); + if ((cfg1 & LEDS0) && (cfg1 & LEDS1)) + RTL_W8(Config1, cfg1 & ~LEDS0); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK); + + rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1)); +} + +static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable); + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK); +} + +static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_hw_start_8102e_2(ioaddr, pdev); + + rtl_ephy_write(ioaddr, 0x03, 0xc2f9); +} + +static void rtl_hw_start_8101(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + struct pci_dev *pdev = tp->pci_dev; + + if ((tp->mac_version == RTL_GIGA_MAC_VER_13) || + (tp->mac_version == RTL_GIGA_MAC_VER_16)) { + int cap = tp->pcie_cap; + + if (cap) { + pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, + PCI_EXP_DEVCTL_NOSNOOP_EN); + } + } + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_07: + rtl_hw_start_8102e_1(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_08: + rtl_hw_start_8102e_3(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_09: + rtl_hw_start_8102e_2(ioaddr, pdev); + break; + } + + RTL_W8(Cfg9346, Cfg9346_Unlock); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz); + + tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW; + + RTL_W16(CPlusCmd, tp->cp_cmd); + + RTL_W16(IntrMitigate, 0x0000); + + rtl_set_rx_tx_desc_registers(tp, ioaddr); + + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + rtl_set_rx_tx_config_registers(tp); + + RTL_W8(Cfg9346, Cfg9346_Lock); + + RTL_R8(IntrMask); + + rtl_set_rx_mode(dev); + + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + + RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000); + + if (!tp->ecdev) + RTL_W16(IntrMask, tp->intr_event); +} + +static int rtl8169_change_mtu(struct net_device *dev, int new_mtu) +{ + struct rtl8169_private *tp = netdev_priv(dev); + int ret = 0; + + if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu) + return -EINVAL; + + dev->mtu = new_mtu; + + if (!netif_running(dev)) + goto out; + + rtl8169_down(dev); + + rtl8169_set_rxbufsize(tp, dev); + + ret = rtl8169_init_ring(dev); + if (ret < 0) + goto out; + + napi_enable(&tp->napi); + + rtl_hw_start(dev); + + rtl8169_request_timer(dev); + +out: + return ret; +} + +static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc) +{ + desc->addr = cpu_to_le64(0x0badbadbadbadbadull); + desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask); +} + +static void rtl8169_free_rx_skb(struct rtl8169_private *tp, + struct sk_buff **sk_buff, struct RxDesc *desc) +{ + struct pci_dev *pdev = tp->pci_dev; + + pci_unmap_single(pdev, le64_to_cpu(desc->addr), tp->rx_buf_sz, + PCI_DMA_FROMDEVICE); + dev_kfree_skb(*sk_buff); + *sk_buff = NULL; + rtl8169_make_unusable_by_asic(desc); +} + +static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz) +{ + u32 eor = le32_to_cpu(desc->opts1) & RingEnd; + + desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz); +} + +static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping, + u32 rx_buf_sz) +{ + desc->addr = cpu_to_le64(mapping); + wmb(); + rtl8169_mark_to_asic(desc, rx_buf_sz); +} + +static struct sk_buff *rtl8169_alloc_rx_skb(struct pci_dev *pdev, + struct net_device *dev, + struct RxDesc *desc, int rx_buf_sz, + unsigned int align) +{ + struct sk_buff *skb; + dma_addr_t mapping; + unsigned int pad; + + pad = align ? align : NET_IP_ALIGN; + + skb = netdev_alloc_skb(dev, rx_buf_sz + pad); + if (!skb) + goto err_out; + + skb_reserve(skb, align ? ((pad - 1) & (unsigned long)skb->data) : pad); + + mapping = pci_map_single(pdev, skb->data, rx_buf_sz, + PCI_DMA_FROMDEVICE); + + rtl8169_map_to_asic(desc, mapping, rx_buf_sz); +out: + return skb; + +err_out: + rtl8169_make_unusable_by_asic(desc); + goto out; +} + +static void rtl8169_rx_clear(struct rtl8169_private *tp) +{ + unsigned int i; + + for (i = 0; i < NUM_RX_DESC; i++) { + if (tp->Rx_skbuff[i]) { + rtl8169_free_rx_skb(tp, tp->Rx_skbuff + i, + tp->RxDescArray + i); + } + } +} + +static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev, + u32 start, u32 end) +{ + u32 cur; + + for (cur = start; end - cur != 0; cur++) { + struct sk_buff *skb; + unsigned int i = cur % NUM_RX_DESC; + + WARN_ON((s32)(end - cur) < 0); + + if (tp->Rx_skbuff[i]) + continue; + + skb = rtl8169_alloc_rx_skb(tp->pci_dev, dev, + tp->RxDescArray + i, + tp->rx_buf_sz, tp->align); + if (!skb) + break; + + tp->Rx_skbuff[i] = skb; + } + return cur - start; +} + +static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc) +{ + desc->opts1 |= cpu_to_le32(RingEnd); +} + +static void rtl8169_init_ring_indexes(struct rtl8169_private *tp) +{ + tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0; +} + +static int rtl8169_init_ring(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + rtl8169_init_ring_indexes(tp); + + memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info)); + memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *)); + + if (rtl8169_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC) + goto err_out; + + rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1); + + return 0; + +err_out: + rtl8169_rx_clear(tp); + return -ENOMEM; +} + +static void rtl8169_unmap_tx_skb(struct pci_dev *pdev, struct ring_info *tx_skb, + struct TxDesc *desc) +{ + unsigned int len = tx_skb->len; + + pci_unmap_single(pdev, le64_to_cpu(desc->addr), len, PCI_DMA_TODEVICE); + desc->opts1 = 0x00; + desc->opts2 = 0x00; + desc->addr = 0x00; + tx_skb->len = 0; +} + +static void rtl8169_tx_clear(struct rtl8169_private *tp) +{ + unsigned int i; + + for (i = tp->dirty_tx; i < tp->dirty_tx + NUM_TX_DESC; i++) { + unsigned int entry = i % NUM_TX_DESC; + struct ring_info *tx_skb = tp->tx_skb + entry; + unsigned int len = tx_skb->len; + + if (len) { + struct sk_buff *skb = tx_skb->skb; + + rtl8169_unmap_tx_skb(tp->pci_dev, tx_skb, + tp->TxDescArray + entry); + if (skb) { + if (!tp->ecdev) + dev_kfree_skb(skb); + tx_skb->skb = NULL; + } + tp->dev->stats.tx_dropped++; + } + } + tp->cur_tx = tp->dirty_tx = 0; +} + +static void rtl8169_schedule_work(struct net_device *dev, work_func_t task) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + PREPARE_DELAYED_WORK(&tp->task, task); + schedule_delayed_work(&tp->task, 4); +} + +static void rtl8169_wait_for_quiescence(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + synchronize_irq(dev->irq); + + /* Wait for any pending NAPI task to complete */ + napi_disable(&tp->napi); + + rtl8169_irq_mask_and_ack(ioaddr); + + tp->intr_mask = 0xffff; + RTL_W16(IntrMask, tp->intr_event); + napi_enable(&tp->napi); +} + +static void rtl8169_reinit_task(struct work_struct *work) +{ + struct rtl8169_private *tp = + container_of(work, struct rtl8169_private, task.work); + struct net_device *dev = tp->dev; + int ret; + + rtnl_lock(); + + if (!netif_running(dev)) + goto out_unlock; + + rtl8169_wait_for_quiescence(dev); + rtl8169_close(dev); + + ret = rtl8169_open(dev); + if (unlikely(ret < 0)) { + if (net_ratelimit() && netif_msg_drv(tp)) { + printk(KERN_ERR PFX "%s: reinit failure (status = %d)." + " Rescheduling.\n", dev->name, ret); + } + rtl8169_schedule_work(dev, rtl8169_reinit_task); + } + +out_unlock: + rtnl_unlock(); +} + +static void rtl8169_reset_task(struct work_struct *work) +{ + struct rtl8169_private *tp = + container_of(work, struct rtl8169_private, task.work); + struct net_device *dev = tp->dev; + + rtnl_lock(); + + if (!netif_running(dev)) + goto out_unlock; + + rtl8169_wait_for_quiescence(dev); + + rtl8169_rx_interrupt(dev, tp, tp->mmio_addr, ~(u32)0); + rtl8169_tx_clear(tp); + + if (tp->dirty_rx == tp->cur_rx) { + rtl8169_init_ring_indexes(tp); + rtl_hw_start(dev); + netif_wake_queue(dev); + rtl8169_check_link_status(dev, tp, tp->mmio_addr); + } else { + if (net_ratelimit() && netif_msg_intr(tp)) { + printk(KERN_EMERG PFX "%s: Rx buffers shortage\n", + dev->name); + } + rtl8169_schedule_work(dev, rtl8169_reset_task); + } + +out_unlock: + rtnl_unlock(); +} + +static void rtl8169_tx_timeout(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + if (tp->ecdev) + return; + + rtl8169_hw_reset(tp->mmio_addr); + + /* Let's wait a bit while any (async) irq lands on */ + rtl8169_schedule_work(dev, rtl8169_reset_task); +} + +static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb, + u32 opts1) +{ + struct skb_shared_info *info = skb_shinfo(skb); + unsigned int cur_frag, entry; + struct TxDesc * uninitialized_var(txd); + + entry = tp->cur_tx; + for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) { + skb_frag_t *frag = info->frags + cur_frag; + dma_addr_t mapping; + u32 status, len; + void *addr; + + entry = (entry + 1) % NUM_TX_DESC; + + txd = tp->TxDescArray + entry; + len = frag->size; + addr = ((void *) page_address(frag->page)) + frag->page_offset; + mapping = pci_map_single(tp->pci_dev, addr, len, PCI_DMA_TODEVICE); + + /* anti gcc 2.95.3 bugware (sic) */ + status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC)); + + txd->opts1 = cpu_to_le32(status); + txd->addr = cpu_to_le64(mapping); + + tp->tx_skb[entry].len = len; + } + + if (cur_frag) { + tp->tx_skb[entry].skb = skb; + txd->opts1 |= cpu_to_le32(LastFrag); + } + + return cur_frag; +} + +static inline u32 rtl8169_tso_csum(struct sk_buff *skb, struct net_device *dev) +{ + if (dev->features & NETIF_F_TSO) { + u32 mss = skb_shinfo(skb)->gso_size; + + if (mss) + return LargeSend | ((mss & MSSMask) << MSSShift); + } + if (skb->ip_summed == CHECKSUM_PARTIAL) { + const struct iphdr *ip = ip_hdr(skb); + + if (ip->protocol == IPPROTO_TCP) + return IPCS | TCPCS; + else if (ip->protocol == IPPROTO_UDP) + return IPCS | UDPCS; + WARN_ON(1); /* we need a WARN() */ + } + return 0; +} + +static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, + struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + unsigned int frags, entry = tp->cur_tx % NUM_TX_DESC; + struct TxDesc *txd = tp->TxDescArray + entry; + void __iomem *ioaddr = tp->mmio_addr; + dma_addr_t mapping; + u32 status, len; + u32 opts1; + + if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) { + if (netif_msg_drv(tp)) { + printk(KERN_ERR + "%s: BUG! Tx Ring full when queue awake!\n", + dev->name); + } + goto err_stop; + } + + if (unlikely(le32_to_cpu(txd->opts1) & DescOwn)) + goto err_stop; + + opts1 = DescOwn | rtl8169_tso_csum(skb, dev); + + frags = rtl8169_xmit_frags(tp, skb, opts1); + if (frags) { + len = skb_headlen(skb); + opts1 |= FirstFrag; + } else { + len = skb->len; + opts1 |= FirstFrag | LastFrag; + tp->tx_skb[entry].skb = skb; + } + + mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE); + + tp->tx_skb[entry].len = len; + txd->addr = cpu_to_le64(mapping); + txd->opts2 = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb)); + + wmb(); + + /* anti gcc 2.95.3 bugware (sic) */ + status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC)); + txd->opts1 = cpu_to_le32(status); + + tp->cur_tx += frags + 1; + + smp_wmb(); + + RTL_W8(TxPoll, NPQ); /* set polling bit */ + + if (!tp->ecdev) { + if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) { + netif_stop_queue(dev); + smp_rmb(); + if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS) + netif_wake_queue(dev); + } + } + + return NETDEV_TX_OK; + +err_stop: + if (!tp->ecdev) + netif_stop_queue(dev); + dev->stats.tx_dropped++; + return NETDEV_TX_BUSY; +} + +static void rtl8169_pcierr_interrupt(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + void __iomem *ioaddr = tp->mmio_addr; + u16 pci_status, pci_cmd; + + pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); + pci_read_config_word(pdev, PCI_STATUS, &pci_status); + + if (netif_msg_intr(tp)) { + printk(KERN_ERR + "%s: PCI error (cmd = 0x%04x, status = 0x%04x).\n", + dev->name, pci_cmd, pci_status); + } + + /* + * The recovery sequence below admits a very elaborated explanation: + * - it seems to work; + * - I did not see what else could be done; + * - it makes iop3xx happy. + * + * Feel free to adjust to your needs. + */ + if (pdev->broken_parity_status) + pci_cmd &= ~PCI_COMMAND_PARITY; + else + pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY; + + pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); + + pci_write_config_word(pdev, PCI_STATUS, + pci_status & (PCI_STATUS_DETECTED_PARITY | + PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT | + PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT)); + + /* The infamous DAC f*ckup only happens at boot time */ + if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) { + if (netif_msg_intr(tp)) + printk(KERN_INFO "%s: disabling PCI DAC.\n", dev->name); + tp->cp_cmd &= ~PCIDAC; + RTL_W16(CPlusCmd, tp->cp_cmd); + dev->features &= ~NETIF_F_HIGHDMA; + } + + rtl8169_hw_reset(ioaddr); + + rtl8169_schedule_work(dev, rtl8169_reinit_task); +} + +static void rtl8169_tx_interrupt(struct net_device *dev, + struct rtl8169_private *tp, + void __iomem *ioaddr) +{ + unsigned int dirty_tx, tx_left; + + dirty_tx = tp->dirty_tx; + smp_rmb(); + tx_left = tp->cur_tx - dirty_tx; + + while (tx_left > 0) { + unsigned int entry = dirty_tx % NUM_TX_DESC; + struct ring_info *tx_skb = tp->tx_skb + entry; + u32 len = tx_skb->len; + u32 status; + + rmb(); + status = le32_to_cpu(tp->TxDescArray[entry].opts1); + if (status & DescOwn) + break; + + dev->stats.tx_bytes += len; + dev->stats.tx_packets++; + + rtl8169_unmap_tx_skb(tp->pci_dev, tx_skb, tp->TxDescArray + entry); + + if (status & LastFrag) { + if (!tp->ecdev) + dev_kfree_skb(tx_skb->skb); + tx_skb->skb = NULL; + } + dirty_tx++; + tx_left--; + } + + if (tp->dirty_tx != dirty_tx) { + tp->dirty_tx = dirty_tx; + smp_wmb(); + if (!tp->ecdev && netif_queue_stopped(dev) && + (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) { + netif_wake_queue(dev); + } + /* + * 8168 hack: TxPoll requests are lost when the Tx packets are + * too close. Let's kick an extra TxPoll request when a burst + * of start_xmit activity is detected (if it is not detected, + * it is slow enough). -- FR + */ + smp_rmb(); + if (tp->cur_tx != dirty_tx) + RTL_W8(TxPoll, NPQ); + } +} + +static inline int rtl8169_fragmented_frame(u32 status) +{ + return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag); +} + +static inline void rtl8169_rx_csum(struct sk_buff *skb, struct RxDesc *desc) +{ + u32 opts1 = le32_to_cpu(desc->opts1); + u32 status = opts1 & RxProtoMask; + + if (((status == RxProtoTCP) && !(opts1 & TCPFail)) || + ((status == RxProtoUDP) && !(opts1 & UDPFail)) || + ((status == RxProtoIP) && !(opts1 & IPFail))) + skb->ip_summed = CHECKSUM_UNNECESSARY; + else + skb->ip_summed = CHECKSUM_NONE; +} + +static inline bool rtl8169_try_rx_copy(struct sk_buff **sk_buff, + struct rtl8169_private *tp, int pkt_size, + dma_addr_t addr) +{ + struct sk_buff *skb; + bool done = false; + + if (pkt_size >= rx_copybreak) + goto out; + + skb = netdev_alloc_skb(tp->dev, pkt_size + NET_IP_ALIGN); + if (!skb) + goto out; + + pci_dma_sync_single_for_cpu(tp->pci_dev, addr, pkt_size, + PCI_DMA_FROMDEVICE); + skb_reserve(skb, NET_IP_ALIGN); + skb_copy_from_linear_data(*sk_buff, skb->data, pkt_size); + *sk_buff = skb; + done = true; +out: + return done; +} + +static int rtl8169_rx_interrupt(struct net_device *dev, + struct rtl8169_private *tp, + void __iomem *ioaddr, u32 budget) +{ + unsigned int cur_rx, rx_left; + unsigned int delta, count; + + cur_rx = tp->cur_rx; + rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx; + rx_left = min(rx_left, budget); + + for (; rx_left > 0; rx_left--, cur_rx++) { + unsigned int entry = cur_rx % NUM_RX_DESC; + struct RxDesc *desc = tp->RxDescArray + entry; + u32 status; + + rmb(); + status = le32_to_cpu(desc->opts1); + + if (status & DescOwn) + break; + if (unlikely(status & RxRES)) { + if (netif_msg_rx_err(tp)) { + printk(KERN_INFO + "%s: Rx ERROR. status = %08x\n", + dev->name, status); + } + dev->stats.rx_errors++; + if (status & (RxRWT | RxRUNT)) + dev->stats.rx_length_errors++; + if (status & RxCRC) + dev->stats.rx_crc_errors++; + if (status & RxFOVF) { + if (!tp->ecdev) + rtl8169_schedule_work(dev, rtl8169_reset_task); + dev->stats.rx_fifo_errors++; + } + rtl8169_mark_to_asic(desc, tp->rx_buf_sz); + } else { + struct sk_buff *skb = tp->Rx_skbuff[entry]; + dma_addr_t addr = le64_to_cpu(desc->addr); + int pkt_size = (status & 0x00001FFF) - 4; + struct pci_dev *pdev = tp->pci_dev; + + /* + * The driver does not support incoming fragmented + * frames. They are seen as a symptom of over-mtu + * sized frames. + */ + if (unlikely(rtl8169_fragmented_frame(status))) { + dev->stats.rx_dropped++; + dev->stats.rx_length_errors++; + rtl8169_mark_to_asic(desc, tp->rx_buf_sz); + continue; + } + + rtl8169_rx_csum(skb, desc); + + if (tp->ecdev) { + pci_dma_sync_single_for_cpu(pdev, addr, pkt_size, + PCI_DMA_FROMDEVICE); + + ecdev_receive(tp->ecdev, skb->data, pkt_size); + + pci_dma_sync_single_for_device(pdev, addr, + pkt_size, PCI_DMA_FROMDEVICE); + rtl8169_mark_to_asic(desc, tp->rx_buf_sz); + + // No need to detect link status as + // long as frames are received: Reset watchdog. + tp->ec_watchdog_jiffies = jiffies; + } else { + if (rtl8169_try_rx_copy(&skb, tp, pkt_size, addr)) { + pci_dma_sync_single_for_device(pdev, addr, + pkt_size, PCI_DMA_FROMDEVICE); + rtl8169_mark_to_asic(desc, tp->rx_buf_sz); + } else { + pci_unmap_single(pdev, addr, tp->rx_buf_sz, + PCI_DMA_FROMDEVICE); + tp->Rx_skbuff[entry] = NULL; + } + + skb_put(skb, pkt_size); + skb->protocol = eth_type_trans(skb, dev); + + if (rtl8169_rx_vlan_skb(tp, desc, skb) < 0) + netif_receive_skb(skb); + } + dev->stats.rx_bytes += pkt_size; + dev->stats.rx_packets++; + } + + /* Work around for AMD plateform. */ + if ((desc->opts2 & cpu_to_le32(0xfffe000)) && + (tp->mac_version == RTL_GIGA_MAC_VER_05)) { + desc->opts2 = 0; + cur_rx++; + } + } + + count = cur_rx - tp->cur_rx; + tp->cur_rx = cur_rx; + + if (tp->ecdev) { + /* descriptors are cleaned up immediately. */ + tp->dirty_rx = tp->cur_rx; + } else { + delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx); + if (!delta && count && netif_msg_intr(tp)) + printk(KERN_INFO "%s: no Rx buffer allocated\n", dev->name); + tp->dirty_rx += delta; + + /* + * FIXME: until there is periodic timer to try and refill the ring, + * a temporary shortage may definitely kill the Rx process. + * - disable the asic to try and avoid an overflow and kick it again + * after refill ? + * - how do others driver handle this condition (Uh oh...). + */ + if ((tp->dirty_rx + NUM_RX_DESC == tp->cur_rx) && netif_msg_intr(tp)) + printk(KERN_EMERG "%s: Rx buffers exhausted\n", dev->name); + } + + return count; +} + +static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) +{ + struct net_device *dev = dev_instance; + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + int handled = 0; + int status; + + /* loop handling interrupts until we have no new ones or + * we hit a invalid/hotplug case. + */ + status = RTL_R16(IntrStatus); + while (status && status != 0xffff) { + handled = 1; + + /* Handle all of the error cases first. These will reset + * the chip, so just exit the loop. + */ + if (unlikely(!tp->ecdev && !netif_running(dev))) { + rtl8169_asic_down(ioaddr); + break; + } + + /* Work around for rx fifo overflow */ + if (unlikely(status & RxFIFOOver) && + (tp->mac_version == RTL_GIGA_MAC_VER_11)) { + netif_stop_queue(dev); + rtl8169_tx_timeout(dev); + break; + } + + if (unlikely(status & SYSErr)) { + rtl8169_pcierr_interrupt(dev); + break; + } + + if (status & LinkChg) + rtl8169_check_link_status(dev, tp, ioaddr); + + /* We need to see the lastest version of tp->intr_mask to + * avoid ignoring an MSI interrupt and having to wait for + * another event which may never come. + */ + smp_rmb(); + if (status & tp->intr_mask & tp->napi_event) { + RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event); + tp->intr_mask = ~tp->napi_event; + + if (likely(napi_schedule_prep(&tp->napi))) + __napi_schedule(&tp->napi); + else if (netif_msg_intr(tp)) { + printk(KERN_INFO "%s: interrupt %04x in poll\n", + dev->name, status); + } + } + + /* We only get a new MSI interrupt when all active irq + * sources on the chip have been acknowledged. So, ack + * everything we've seen and check if new sources have become + * active to avoid blocking all interrupts from the chip. + */ + RTL_W16(IntrStatus, + (status & RxFIFOOver) ? (status | RxOverflow) : status); + status = RTL_R16(IntrStatus); + } + + return IRQ_RETVAL(handled); +} + +static void ec_poll(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + + rtl8169_interrupt(pdev->irq, dev); + rtl8169_rx_interrupt(dev, tp, tp->mmio_addr, 100); // FIXME + rtl8169_tx_interrupt(dev, tp, tp->mmio_addr); + + if (jiffies - tp->ec_watchdog_jiffies >= 2 * HZ) { + rtl8169_phy_timer((unsigned long) dev); + tp->ec_watchdog_jiffies = jiffies; + } +} + +static int rtl8169_poll(struct napi_struct *napi, int budget) +{ + struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi); + struct net_device *dev = tp->dev; + void __iomem *ioaddr = tp->mmio_addr; + int work_done; + + work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget); + rtl8169_tx_interrupt(dev, tp, ioaddr); + + if (work_done < budget) { + napi_complete(napi); + + /* We need for force the visibility of tp->intr_mask + * for other CPUs, as we can loose an MSI interrupt + * and potentially wait for a retransmit timeout if we don't. + * The posted write to IntrMask is safe, as it will + * eventually make it to the chip and we won't loose anything + * until it does. + */ + tp->intr_mask = 0xffff; + smp_wmb(); + RTL_W16(IntrMask, tp->intr_event); + } + + return work_done; +} + +static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + if (tp->mac_version > RTL_GIGA_MAC_VER_06) + return; + + dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff); + RTL_W32(RxMissed, 0); +} + +static void rtl8169_down(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned int intrmask; + + rtl8169_delete_timer(dev); + + if (!tp->ecdev) { + netif_stop_queue(dev); + + napi_disable(&tp->napi); + + } + +core_down: + if (!tp->ecdev) + spin_lock_irq(&tp->lock); + + rtl8169_asic_down(ioaddr); + + rtl8169_rx_missed(dev, ioaddr); + + if (!tp->ecdev) + spin_unlock_irq(&tp->lock); + + if (!tp->ecdev) + synchronize_irq(dev->irq); + + /* Give a racing hard_start_xmit a few cycles to complete. */ + synchronize_sched(); /* FIXME: should this be synchronize_irq()? */ + + /* + * And now for the 50k$ question: are IRQ disabled or not ? + * + * Two paths lead here: + * 1) dev->close + * -> netif_running() is available to sync the current code and the + * IRQ handler. See rtl8169_interrupt for details. + * 2) dev->change_mtu + * -> rtl8169_poll can not be issued again and re-enable the + * interruptions. Let's simply issue the IRQ down sequence again. + * + * No loop if hotpluged or major error (0xffff). + */ + intrmask = RTL_R16(IntrMask); + if (intrmask && (intrmask != 0xffff)) + goto core_down; + + rtl8169_tx_clear(tp); + + rtl8169_rx_clear(tp); +} + +static int rtl8169_close(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + + /* update counters before going down */ + rtl8169_update_counters(dev); + + rtl8169_down(dev); + + if (!tp->ecdev) + free_irq(dev->irq, dev); + + pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray, + tp->RxPhyAddr); + pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray, + tp->TxPhyAddr); + tp->TxDescArray = NULL; + tp->RxDescArray = NULL; + + return 0; +} + +static void rtl_set_rx_mode(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + u32 mc_filter[2]; /* Multicast hash filter */ + int rx_mode; + u32 tmp = 0; + + if (dev->flags & IFF_PROMISC) { + /* Unconditionally log net taps. */ + if (netif_msg_link(tp)) { + printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n", + dev->name); + } + rx_mode = + AcceptBroadcast | AcceptMulticast | AcceptMyPhys | + AcceptAllPhys; + mc_filter[1] = mc_filter[0] = 0xffffffff; + } else if ((dev->mc_count > multicast_filter_limit) + || (dev->flags & IFF_ALLMULTI)) { + /* Too many to filter perfectly -- accept all multicasts. */ + rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys; + mc_filter[1] = mc_filter[0] = 0xffffffff; + } else { + struct dev_mc_list *mclist; + unsigned int i; + + rx_mode = AcceptBroadcast | AcceptMyPhys; + mc_filter[1] = mc_filter[0] = 0; + for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; + i++, mclist = mclist->next) { + int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26; + mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); + rx_mode |= AcceptMulticast; + } + } + + spin_lock_irqsave(&tp->lock, flags); + + tmp = rtl8169_rx_config | rx_mode | + (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask); + + if (tp->mac_version > RTL_GIGA_MAC_VER_06) { + u32 data = mc_filter[0]; + + mc_filter[0] = swab32(mc_filter[1]); + mc_filter[1] = swab32(data); + } + + RTL_W32(MAR0 + 0, mc_filter[0]); + RTL_W32(MAR0 + 4, mc_filter[1]); + + RTL_W32(RxConfig, tmp); + + spin_unlock_irqrestore(&tp->lock, flags); +} + +/** + * rtl8169_get_stats - Get rtl8169 read/write statistics + * @dev: The Ethernet Device to get statistics for + * + * Get TX/RX statistics for rtl8169 + */ +static struct net_device_stats *rtl8169_get_stats(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + + if (netif_running(dev)) { + spin_lock_irqsave(&tp->lock, flags); + rtl8169_rx_missed(dev, ioaddr); + spin_unlock_irqrestore(&tp->lock, flags); + } + + return &dev->stats; +} + +static void rtl8169_net_suspend(struct net_device *dev) +{ + if (!netif_running(dev)) + return; + + netif_device_detach(dev); + netif_stop_queue(dev); +} + +#ifdef CONFIG_PM + +static int rtl8169_suspend(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + + if (tp->ecdev) + return -EBUSY; + + rtl8169_net_suspend(dev); + + return 0; +} + +static int rtl8169_resume(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + + if (tp->ecdev) + return -EBUSY; + + if (!netif_running(dev)) + goto out; + + netif_device_attach(dev); + + rtl8169_schedule_work(dev, rtl8169_reset_task); +out: + return 0; +} + +static struct dev_pm_ops rtl8169_pm_ops = { + .suspend = rtl8169_suspend, + .resume = rtl8169_resume, + .freeze = rtl8169_suspend, + .thaw = rtl8169_resume, + .poweroff = rtl8169_suspend, + .restore = rtl8169_resume, +}; + +#define RTL8169_PM_OPS (&rtl8169_pm_ops) + +#else /* !CONFIG_PM */ + +#define RTL8169_PM_OPS NULL + +#endif /* !CONFIG_PM */ + +static void rtl_shutdown(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + rtl8169_net_suspend(dev); + + /* restore original MAC address */ + rtl_rar_set(tp, dev->perm_addr); + + spin_lock_irq(&tp->lock); + + rtl8169_asic_down(ioaddr); + + spin_unlock_irq(&tp->lock); + + if (system_state == SYSTEM_POWER_OFF) { + /* WoL fails with some 8168 when the receiver is disabled. */ + if (tp->features & RTL_FEATURE_WOL) { + pci_clear_master(pdev); + + RTL_W8(ChipCmd, CmdRxEnb); + /* PCI commit */ + RTL_R8(ChipCmd); + } + + pci_wake_from_d3(pdev, true); + pci_set_power_state(pdev, PCI_D3hot); + } +} + +static struct pci_driver rtl8169_pci_driver = { + .name = MODULENAME, + .id_table = rtl8169_pci_tbl, + .probe = rtl8169_init_one, + .remove = __devexit_p(rtl8169_remove_one), + .shutdown = rtl_shutdown, + .driver.pm = RTL8169_PM_OPS, +}; + +static int __init rtl8169_init_module(void) +{ + return pci_register_driver(&rtl8169_pci_driver); +} + +static void __exit rtl8169_cleanup_module(void) +{ + pci_unregister_driver(&rtl8169_pci_driver); +} + +module_init(rtl8169_init_module); +module_exit(rtl8169_cleanup_module); diff -r 87de63b19e4c -r 04fdb4abf120 devices/r8169-2.6.32-orig.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/devices/r8169-2.6.32-orig.c Mon Dec 20 17:52:37 2010 +0100 @@ -0,0 +1,4932 @@ +/* + * r8169.c: RealTek 8169/8168/8101 ethernet driver. + * + * Copyright (c) 2002 ShuChen + * Copyright (c) 2003 - 2007 Francois Romieu + * Copyright (c) a lot of people too. Please respect their work. + * + * See MAINTAINERS file for support contact information. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#define RTL8169_VERSION "2.3LK-NAPI" +#define MODULENAME "r8169" +#define PFX MODULENAME ": " + +#ifdef RTL8169_DEBUG +#define assert(expr) \ + if (!(expr)) { \ + printk( "Assertion failed! %s,%s,%s,line=%d\n", \ + #expr,__FILE__,__func__,__LINE__); \ + } +#define dprintk(fmt, args...) \ + do { printk(KERN_DEBUG PFX fmt, ## args); } while (0) +#else +#define assert(expr) do {} while (0) +#define dprintk(fmt, args...) do {} while (0) +#endif /* RTL8169_DEBUG */ + +#define R8169_MSG_DEFAULT \ + (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN) + +#define TX_BUFFS_AVAIL(tp) \ + (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1) + +/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). + The RTL chips use a 64 element hash table based on the Ethernet CRC. */ +static const int multicast_filter_limit = 32; + +/* MAC address length */ +#define MAC_ADDR_LEN 6 + +#define MAX_READ_REQUEST_SHIFT 12 +#define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */ +#define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ +#define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ +#define EarlyTxThld 0x3F /* 0x3F means NO early transmit */ +#define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */ +#define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */ + +#define R8169_REGS_SIZE 256 +#define R8169_NAPI_WEIGHT 64 +#define NUM_TX_DESC 64 /* Number of Tx descriptor registers */ +#define NUM_RX_DESC 256 /* Number of Rx descriptor registers */ +#define RX_BUF_SIZE 1536 /* Rx Buffer size */ +#define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc)) +#define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc)) + +#define RTL8169_TX_TIMEOUT (6*HZ) +#define RTL8169_PHY_TIMEOUT (10*HZ) + +#define RTL_EEPROM_SIG cpu_to_le32(0x8129) +#define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff) +#define RTL_EEPROM_SIG_ADDR 0x0000 + +/* write/read MMIO register */ +#define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg)) +#define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg)) +#define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg)) +#define RTL_R8(reg) readb (ioaddr + (reg)) +#define RTL_R16(reg) readw (ioaddr + (reg)) +#define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg))) + +enum mac_version { + RTL_GIGA_MAC_NONE = 0x00, + RTL_GIGA_MAC_VER_01 = 0x01, // 8169 + RTL_GIGA_MAC_VER_02 = 0x02, // 8169S + RTL_GIGA_MAC_VER_03 = 0x03, // 8110S + RTL_GIGA_MAC_VER_04 = 0x04, // 8169SB + RTL_GIGA_MAC_VER_05 = 0x05, // 8110SCd + RTL_GIGA_MAC_VER_06 = 0x06, // 8110SCe + RTL_GIGA_MAC_VER_07 = 0x07, // 8102e + RTL_GIGA_MAC_VER_08 = 0x08, // 8102e + RTL_GIGA_MAC_VER_09 = 0x09, // 8102e + RTL_GIGA_MAC_VER_10 = 0x0a, // 8101e + RTL_GIGA_MAC_VER_11 = 0x0b, // 8168Bb + RTL_GIGA_MAC_VER_12 = 0x0c, // 8168Be + RTL_GIGA_MAC_VER_13 = 0x0d, // 8101Eb + RTL_GIGA_MAC_VER_14 = 0x0e, // 8101 ? + RTL_GIGA_MAC_VER_15 = 0x0f, // 8101 ? + RTL_GIGA_MAC_VER_16 = 0x11, // 8101Ec + RTL_GIGA_MAC_VER_17 = 0x10, // 8168Bf + RTL_GIGA_MAC_VER_18 = 0x12, // 8168CP + RTL_GIGA_MAC_VER_19 = 0x13, // 8168C + RTL_GIGA_MAC_VER_20 = 0x14, // 8168C + RTL_GIGA_MAC_VER_21 = 0x15, // 8168C + RTL_GIGA_MAC_VER_22 = 0x16, // 8168C + RTL_GIGA_MAC_VER_23 = 0x17, // 8168CP + RTL_GIGA_MAC_VER_24 = 0x18, // 8168CP + RTL_GIGA_MAC_VER_25 = 0x19, // 8168D + RTL_GIGA_MAC_VER_26 = 0x1a, // 8168D + RTL_GIGA_MAC_VER_27 = 0x1b // 8168DP +}; + +#define _R(NAME,MAC,MASK) \ + { .name = NAME, .mac_version = MAC, .RxConfigMask = MASK } + +static const struct { + const char *name; + u8 mac_version; + u32 RxConfigMask; /* Clears the bits supported by this chip */ +} rtl_chip_info[] = { + _R("RTL8169", RTL_GIGA_MAC_VER_01, 0xff7e1880), // 8169 + _R("RTL8169s", RTL_GIGA_MAC_VER_02, 0xff7e1880), // 8169S + _R("RTL8110s", RTL_GIGA_MAC_VER_03, 0xff7e1880), // 8110S + _R("RTL8169sb/8110sb", RTL_GIGA_MAC_VER_04, 0xff7e1880), // 8169SB + _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_05, 0xff7e1880), // 8110SCd + _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_06, 0xff7e1880), // 8110SCe + _R("RTL8102e", RTL_GIGA_MAC_VER_07, 0xff7e1880), // PCI-E + _R("RTL8102e", RTL_GIGA_MAC_VER_08, 0xff7e1880), // PCI-E + _R("RTL8102e", RTL_GIGA_MAC_VER_09, 0xff7e1880), // PCI-E + _R("RTL8101e", RTL_GIGA_MAC_VER_10, 0xff7e1880), // PCI-E + _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_11, 0xff7e1880), // PCI-E + _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_12, 0xff7e1880), // PCI-E + _R("RTL8101e", RTL_GIGA_MAC_VER_13, 0xff7e1880), // PCI-E 8139 + _R("RTL8100e", RTL_GIGA_MAC_VER_14, 0xff7e1880), // PCI-E 8139 + _R("RTL8100e", RTL_GIGA_MAC_VER_15, 0xff7e1880), // PCI-E 8139 + _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_17, 0xff7e1880), // PCI-E + _R("RTL8101e", RTL_GIGA_MAC_VER_16, 0xff7e1880), // PCI-E + _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_18, 0xff7e1880), // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_19, 0xff7e1880), // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_20, 0xff7e1880), // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_21, 0xff7e1880), // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_22, 0xff7e1880), // PCI-E + _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_23, 0xff7e1880), // PCI-E + _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_24, 0xff7e1880), // PCI-E + _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_25, 0xff7e1880), // PCI-E + _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_26, 0xff7e1880), // PCI-E + _R("RTL8168dp/8111dp", RTL_GIGA_MAC_VER_27, 0xff7e1880) // PCI-E +}; +#undef _R + +enum cfg_version { + RTL_CFG_0 = 0x00, + RTL_CFG_1, + RTL_CFG_2 +}; + +static void rtl_hw_start_8169(struct net_device *); +static void rtl_hw_start_8168(struct net_device *); +static void rtl_hw_start_8101(struct net_device *); + +static struct pci_device_id rtl8169_pci_tbl[] = { + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 }, + { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 }, + { PCI_VENDOR_ID_LINKSYS, 0x1032, + PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 }, + { 0x0001, 0x8168, + PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 }, + {0,}, +}; + +MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl); + +static int rx_copybreak = 200; +static int use_dac; +static struct { + u32 msg_enable; +} debug = { -1 }; + +enum rtl_registers { + MAC0 = 0, /* Ethernet hardware address. */ + MAC4 = 4, + MAR0 = 8, /* Multicast filter. */ + CounterAddrLow = 0x10, + CounterAddrHigh = 0x14, + TxDescStartAddrLow = 0x20, + TxDescStartAddrHigh = 0x24, + TxHDescStartAddrLow = 0x28, + TxHDescStartAddrHigh = 0x2c, + FLASH = 0x30, + ERSR = 0x36, + ChipCmd = 0x37, + TxPoll = 0x38, + IntrMask = 0x3c, + IntrStatus = 0x3e, + TxConfig = 0x40, + RxConfig = 0x44, + RxMissed = 0x4c, + Cfg9346 = 0x50, + Config0 = 0x51, + Config1 = 0x52, + Config2 = 0x53, + Config3 = 0x54, + Config4 = 0x55, + Config5 = 0x56, + MultiIntr = 0x5c, + PHYAR = 0x60, + PHYstatus = 0x6c, + RxMaxSize = 0xda, + CPlusCmd = 0xe0, + IntrMitigate = 0xe2, + RxDescAddrLow = 0xe4, + RxDescAddrHigh = 0xe8, + EarlyTxThres = 0xec, + FuncEvent = 0xf0, + FuncEventMask = 0xf4, + FuncPresetState = 0xf8, + FuncForceEvent = 0xfc, +}; + +enum rtl8110_registers { + TBICSR = 0x64, + TBI_ANAR = 0x68, + TBI_LPAR = 0x6a, +}; + +enum rtl8168_8101_registers { + CSIDR = 0x64, + CSIAR = 0x68, +#define CSIAR_FLAG 0x80000000 +#define CSIAR_WRITE_CMD 0x80000000 +#define CSIAR_BYTE_ENABLE 0x0f +#define CSIAR_BYTE_ENABLE_SHIFT 12 +#define CSIAR_ADDR_MASK 0x0fff + + EPHYAR = 0x80, +#define EPHYAR_FLAG 0x80000000 +#define EPHYAR_WRITE_CMD 0x80000000 +#define EPHYAR_REG_MASK 0x1f +#define EPHYAR_REG_SHIFT 16 +#define EPHYAR_DATA_MASK 0xffff + DBG_REG = 0xd1, +#define FIX_NAK_1 (1 << 4) +#define FIX_NAK_2 (1 << 3) + EFUSEAR = 0xdc, +#define EFUSEAR_FLAG 0x80000000 +#define EFUSEAR_WRITE_CMD 0x80000000 +#define EFUSEAR_READ_CMD 0x00000000 +#define EFUSEAR_REG_MASK 0x03ff +#define EFUSEAR_REG_SHIFT 8 +#define EFUSEAR_DATA_MASK 0xff +}; + +enum rtl_register_content { + /* InterruptStatusBits */ + SYSErr = 0x8000, + PCSTimeout = 0x4000, + SWInt = 0x0100, + TxDescUnavail = 0x0080, + RxFIFOOver = 0x0040, + LinkChg = 0x0020, + RxOverflow = 0x0010, + TxErr = 0x0008, + TxOK = 0x0004, + RxErr = 0x0002, + RxOK = 0x0001, + + /* RxStatusDesc */ + RxFOVF = (1 << 23), + RxRWT = (1 << 22), + RxRES = (1 << 21), + RxRUNT = (1 << 20), + RxCRC = (1 << 19), + + /* ChipCmdBits */ + CmdReset = 0x10, + CmdRxEnb = 0x08, + CmdTxEnb = 0x04, + RxBufEmpty = 0x01, + + /* TXPoll register p.5 */ + HPQ = 0x80, /* Poll cmd on the high prio queue */ + NPQ = 0x40, /* Poll cmd on the low prio queue */ + FSWInt = 0x01, /* Forced software interrupt */ + + /* Cfg9346Bits */ + Cfg9346_Lock = 0x00, + Cfg9346_Unlock = 0xc0, + + /* rx_mode_bits */ + AcceptErr = 0x20, + AcceptRunt = 0x10, + AcceptBroadcast = 0x08, + AcceptMulticast = 0x04, + AcceptMyPhys = 0x02, + AcceptAllPhys = 0x01, + + /* RxConfigBits */ + RxCfgFIFOShift = 13, + RxCfgDMAShift = 8, + + /* TxConfigBits */ + TxInterFrameGapShift = 24, + TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */ + + /* Config1 register p.24 */ + LEDS1 = (1 << 7), + LEDS0 = (1 << 6), + MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */ + Speed_down = (1 << 4), + MEMMAP = (1 << 3), + IOMAP = (1 << 2), + VPD = (1 << 1), + PMEnable = (1 << 0), /* Power Management Enable */ + + /* Config2 register p. 25 */ + PCI_Clock_66MHz = 0x01, + PCI_Clock_33MHz = 0x00, + + /* Config3 register p.25 */ + MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */ + LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */ + Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */ + + /* Config5 register p.27 */ + BWF = (1 << 6), /* Accept Broadcast wakeup frame */ + MWF = (1 << 5), /* Accept Multicast wakeup frame */ + UWF = (1 << 4), /* Accept Unicast wakeup frame */ + LanWake = (1 << 1), /* LanWake enable/disable */ + PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */ + + /* TBICSR p.28 */ + TBIReset = 0x80000000, + TBILoopback = 0x40000000, + TBINwEnable = 0x20000000, + TBINwRestart = 0x10000000, + TBILinkOk = 0x02000000, + TBINwComplete = 0x01000000, + + /* CPlusCmd p.31 */ + EnableBist = (1 << 15), // 8168 8101 + Mac_dbgo_oe = (1 << 14), // 8168 8101 + Normal_mode = (1 << 13), // unused + Force_half_dup = (1 << 12), // 8168 8101 + Force_rxflow_en = (1 << 11), // 8168 8101 + Force_txflow_en = (1 << 10), // 8168 8101 + Cxpl_dbg_sel = (1 << 9), // 8168 8101 + ASF = (1 << 8), // 8168 8101 + PktCntrDisable = (1 << 7), // 8168 8101 + Mac_dbgo_sel = 0x001c, // 8168 + RxVlan = (1 << 6), + RxChkSum = (1 << 5), + PCIDAC = (1 << 4), + PCIMulRW = (1 << 3), + INTT_0 = 0x0000, // 8168 + INTT_1 = 0x0001, // 8168 + INTT_2 = 0x0002, // 8168 + INTT_3 = 0x0003, // 8168 + + /* rtl8169_PHYstatus */ + TBI_Enable = 0x80, + TxFlowCtrl = 0x40, + RxFlowCtrl = 0x20, + _1000bpsF = 0x10, + _100bps = 0x08, + _10bps = 0x04, + LinkStatus = 0x02, + FullDup = 0x01, + + /* _TBICSRBit */ + TBILinkOK = 0x02000000, + + /* DumpCounterCommand */ + CounterDump = 0x8, +}; + +enum desc_status_bit { + DescOwn = (1 << 31), /* Descriptor is owned by NIC */ + RingEnd = (1 << 30), /* End of descriptor ring */ + FirstFrag = (1 << 29), /* First segment of a packet */ + LastFrag = (1 << 28), /* Final segment of a packet */ + + /* Tx private */ + LargeSend = (1 << 27), /* TCP Large Send Offload (TSO) */ + MSSShift = 16, /* MSS value position */ + MSSMask = 0xfff, /* MSS value + LargeSend bit: 12 bits */ + IPCS = (1 << 18), /* Calculate IP checksum */ + UDPCS = (1 << 17), /* Calculate UDP/IP checksum */ + TCPCS = (1 << 16), /* Calculate TCP/IP checksum */ + TxVlanTag = (1 << 17), /* Add VLAN tag */ + + /* Rx private */ + PID1 = (1 << 18), /* Protocol ID bit 1/2 */ + PID0 = (1 << 17), /* Protocol ID bit 2/2 */ + +#define RxProtoUDP (PID1) +#define RxProtoTCP (PID0) +#define RxProtoIP (PID1 | PID0) +#define RxProtoMask RxProtoIP + + IPFail = (1 << 16), /* IP checksum failed */ + UDPFail = (1 << 15), /* UDP/IP checksum failed */ + TCPFail = (1 << 14), /* TCP/IP checksum failed */ + RxVlanTag = (1 << 16), /* VLAN tag available */ +}; + +#define RsvdMask 0x3fffc000 + +struct TxDesc { + __le32 opts1; + __le32 opts2; + __le64 addr; +}; + +struct RxDesc { + __le32 opts1; + __le32 opts2; + __le64 addr; +}; + +struct ring_info { + struct sk_buff *skb; + u32 len; + u8 __pad[sizeof(void *) - sizeof(u32)]; +}; + +enum features { + RTL_FEATURE_WOL = (1 << 0), + RTL_FEATURE_MSI = (1 << 1), + RTL_FEATURE_GMII = (1 << 2), +}; + +struct rtl8169_counters { + __le64 tx_packets; + __le64 rx_packets; + __le64 tx_errors; + __le32 rx_errors; + __le16 rx_missed; + __le16 align_errors; + __le32 tx_one_collision; + __le32 tx_multi_collision; + __le64 rx_unicast; + __le64 rx_broadcast; + __le32 rx_multicast; + __le16 tx_aborted; + __le16 tx_underun; +}; + +struct rtl8169_private { + void __iomem *mmio_addr; /* memory map physical address */ + struct pci_dev *pci_dev; /* Index of PCI device */ + struct net_device *dev; + struct napi_struct napi; + spinlock_t lock; /* spin lock flag */ + u32 msg_enable; + int chipset; + int mac_version; + u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */ + u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */ + u32 dirty_rx; + u32 dirty_tx; + struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */ + struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */ + dma_addr_t TxPhyAddr; + dma_addr_t RxPhyAddr; + struct sk_buff *Rx_skbuff[NUM_RX_DESC]; /* Rx data buffers */ + struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */ + unsigned align; + unsigned rx_buf_sz; + struct timer_list timer; + u16 cp_cmd; + u16 intr_event; + u16 napi_event; + u16 intr_mask; + int phy_1000_ctrl_reg; +#ifdef CONFIG_R8169_VLAN + struct vlan_group *vlgrp; +#endif + int (*set_speed)(struct net_device *, u8 autoneg, u16 speed, u8 duplex); + int (*get_settings)(struct net_device *, struct ethtool_cmd *); + void (*phy_reset_enable)(void __iomem *); + void (*hw_start)(struct net_device *); + unsigned int (*phy_reset_pending)(void __iomem *); + unsigned int (*link_ok)(void __iomem *); + int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd); + int pcie_cap; + struct delayed_work task; + unsigned features; + + struct mii_if_info mii; + struct rtl8169_counters counters; +}; + +MODULE_AUTHOR("Realtek and the Linux r8169 crew "); +MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver"); +module_param(rx_copybreak, int, 0); +MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames"); +module_param(use_dac, int, 0); +MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot."); +module_param_named(debug, debug.msg_enable, int, 0); +MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(RTL8169_VERSION); + +static int rtl8169_open(struct net_device *dev); +static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, + struct net_device *dev); +static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance); +static int rtl8169_init_ring(struct net_device *dev); +static void rtl_hw_start(struct net_device *dev); +static int rtl8169_close(struct net_device *dev); +static void rtl_set_rx_mode(struct net_device *dev); +static void rtl8169_tx_timeout(struct net_device *dev); +static struct net_device_stats *rtl8169_get_stats(struct net_device *dev); +static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *, + void __iomem *, u32 budget); +static int rtl8169_change_mtu(struct net_device *dev, int new_mtu); +static void rtl8169_down(struct net_device *dev); +static void rtl8169_rx_clear(struct rtl8169_private *tp); +static int rtl8169_poll(struct napi_struct *napi, int budget); + +static const unsigned int rtl8169_rx_config = + (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift); + +static void mdio_write(void __iomem *ioaddr, int reg_addr, int value) +{ + int i; + + RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff)); + + for (i = 20; i > 0; i--) { + /* + * Check if the RTL8169 has completed writing to the specified + * MII register. + */ + if (!(RTL_R32(PHYAR) & 0x80000000)) + break; + udelay(25); + } +} + +static int mdio_read(void __iomem *ioaddr, int reg_addr) +{ + int i, value = -1; + + RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16); + + for (i = 20; i > 0; i--) { + /* + * Check if the RTL8169 has completed retrieving data from + * the specified MII register. + */ + if (RTL_R32(PHYAR) & 0x80000000) { + value = RTL_R32(PHYAR) & 0xffff; + break; + } + udelay(25); + } + return value; +} + +static void mdio_patch(void __iomem *ioaddr, int reg_addr, int value) +{ + mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value); +} + +static void mdio_plus_minus(void __iomem *ioaddr, int reg_addr, int p, int m) +{ + int val; + + val = mdio_read(ioaddr, reg_addr); + mdio_write(ioaddr, reg_addr, (val | p) & ~m); +} + +static void rtl_mdio_write(struct net_device *dev, int phy_id, int location, + int val) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + mdio_write(ioaddr, location, val); +} + +static int rtl_mdio_read(struct net_device *dev, int phy_id, int location) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + return mdio_read(ioaddr, location); +} + +static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value) +{ + unsigned int i; + + RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) | + (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); + + for (i = 0; i < 100; i++) { + if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG)) + break; + udelay(10); + } +} + +static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr) +{ + u16 value = 0xffff; + unsigned int i; + + RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); + + for (i = 0; i < 100; i++) { + if (RTL_R32(EPHYAR) & EPHYAR_FLAG) { + value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK; + break; + } + udelay(10); + } + + return value; +} + +static void rtl_csi_write(void __iomem *ioaddr, int addr, int value) +{ + unsigned int i; + + RTL_W32(CSIDR, value); + RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) | + CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT); + + for (i = 0; i < 100; i++) { + if (!(RTL_R32(CSIAR) & CSIAR_FLAG)) + break; + udelay(10); + } +} + +static u32 rtl_csi_read(void __iomem *ioaddr, int addr) +{ + u32 value = ~0x00; + unsigned int i; + + RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | + CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT); + + for (i = 0; i < 100; i++) { + if (RTL_R32(CSIAR) & CSIAR_FLAG) { + value = RTL_R32(CSIDR); + break; + } + udelay(10); + } + + return value; +} + +static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr) +{ + u8 value = 0xff; + unsigned int i; + + RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT); + + for (i = 0; i < 300; i++) { + if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) { + value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK; + break; + } + udelay(100); + } + + return value; +} + +static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr) +{ + RTL_W16(IntrMask, 0x0000); + + RTL_W16(IntrStatus, 0xffff); +} + +static void rtl8169_asic_down(void __iomem *ioaddr) +{ + RTL_W8(ChipCmd, 0x00); + rtl8169_irq_mask_and_ack(ioaddr); + RTL_R16(CPlusCmd); +} + +static unsigned int rtl8169_tbi_reset_pending(void __iomem *ioaddr) +{ + return RTL_R32(TBICSR) & TBIReset; +} + +static unsigned int rtl8169_xmii_reset_pending(void __iomem *ioaddr) +{ + return mdio_read(ioaddr, MII_BMCR) & BMCR_RESET; +} + +static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr) +{ + return RTL_R32(TBICSR) & TBILinkOk; +} + +static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr) +{ + return RTL_R8(PHYstatus) & LinkStatus; +} + +static void rtl8169_tbi_reset_enable(void __iomem *ioaddr) +{ + RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset); +} + +static void rtl8169_xmii_reset_enable(void __iomem *ioaddr) +{ + unsigned int val; + + val = mdio_read(ioaddr, MII_BMCR) | BMCR_RESET; + mdio_write(ioaddr, MII_BMCR, val & 0xffff); +} + +static void rtl8169_check_link_status(struct net_device *dev, + struct rtl8169_private *tp, + void __iomem *ioaddr) +{ + unsigned long flags; + + spin_lock_irqsave(&tp->lock, flags); + if (tp->link_ok(ioaddr)) { + netif_carrier_on(dev); + if (netif_msg_ifup(tp)) + printk(KERN_INFO PFX "%s: link up\n", dev->name); + } else { + if (netif_msg_ifdown(tp)) + printk(KERN_INFO PFX "%s: link down\n", dev->name); + netif_carrier_off(dev); + } + spin_unlock_irqrestore(&tp->lock, flags); +} + +static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u8 options; + + wol->wolopts = 0; + +#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) + wol->supported = WAKE_ANY; + + spin_lock_irq(&tp->lock); + + options = RTL_R8(Config1); + if (!(options & PMEnable)) + goto out_unlock; + + options = RTL_R8(Config3); + if (options & LinkUp) + wol->wolopts |= WAKE_PHY; + if (options & MagicPacket) + wol->wolopts |= WAKE_MAGIC; + + options = RTL_R8(Config5); + if (options & UWF) + wol->wolopts |= WAKE_UCAST; + if (options & BWF) + wol->wolopts |= WAKE_BCAST; + if (options & MWF) + wol->wolopts |= WAKE_MCAST; + +out_unlock: + spin_unlock_irq(&tp->lock); +} + +static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned int i; + static struct { + u32 opt; + u16 reg; + u8 mask; + } cfg[] = { + { WAKE_ANY, Config1, PMEnable }, + { WAKE_PHY, Config3, LinkUp }, + { WAKE_MAGIC, Config3, MagicPacket }, + { WAKE_UCAST, Config5, UWF }, + { WAKE_BCAST, Config5, BWF }, + { WAKE_MCAST, Config5, MWF }, + { WAKE_ANY, Config5, LanWake } + }; + + spin_lock_irq(&tp->lock); + + RTL_W8(Cfg9346, Cfg9346_Unlock); + + for (i = 0; i < ARRAY_SIZE(cfg); i++) { + u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask; + if (wol->wolopts & cfg[i].opt) + options |= cfg[i].mask; + RTL_W8(cfg[i].reg, options); + } + + RTL_W8(Cfg9346, Cfg9346_Lock); + + if (wol->wolopts) + tp->features |= RTL_FEATURE_WOL; + else + tp->features &= ~RTL_FEATURE_WOL; + device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts); + + spin_unlock_irq(&tp->lock); + + return 0; +} + +static void rtl8169_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + strcpy(info->driver, MODULENAME); + strcpy(info->version, RTL8169_VERSION); + strcpy(info->bus_info, pci_name(tp->pci_dev)); +} + +static int rtl8169_get_regs_len(struct net_device *dev) +{ + return R8169_REGS_SIZE; +} + +static int rtl8169_set_speed_tbi(struct net_device *dev, + u8 autoneg, u16 speed, u8 duplex) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + int ret = 0; + u32 reg; + + reg = RTL_R32(TBICSR); + if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) && + (duplex == DUPLEX_FULL)) { + RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart)); + } else if (autoneg == AUTONEG_ENABLE) + RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart); + else { + if (netif_msg_link(tp)) { + printk(KERN_WARNING "%s: " + "incorrect speed setting refused in TBI mode\n", + dev->name); + } + ret = -EOPNOTSUPP; + } + + return ret; +} + +static int rtl8169_set_speed_xmii(struct net_device *dev, + u8 autoneg, u16 speed, u8 duplex) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + int giga_ctrl, bmcr; + + if (autoneg == AUTONEG_ENABLE) { + int auto_nego; + + auto_nego = mdio_read(ioaddr, MII_ADVERTISE); + auto_nego |= (ADVERTISE_10HALF | ADVERTISE_10FULL | + ADVERTISE_100HALF | ADVERTISE_100FULL); + auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; + + giga_ctrl = mdio_read(ioaddr, MII_CTRL1000); + giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); + + /* The 8100e/8101e/8102e do Fast Ethernet only. */ + if ((tp->mac_version != RTL_GIGA_MAC_VER_07) && + (tp->mac_version != RTL_GIGA_MAC_VER_08) && + (tp->mac_version != RTL_GIGA_MAC_VER_09) && + (tp->mac_version != RTL_GIGA_MAC_VER_10) && + (tp->mac_version != RTL_GIGA_MAC_VER_13) && + (tp->mac_version != RTL_GIGA_MAC_VER_14) && + (tp->mac_version != RTL_GIGA_MAC_VER_15) && + (tp->mac_version != RTL_GIGA_MAC_VER_16)) { + giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; + } else if (netif_msg_link(tp)) { + printk(KERN_INFO "%s: PHY does not support 1000Mbps.\n", + dev->name); + } + + bmcr = BMCR_ANENABLE | BMCR_ANRESTART; + + if ((tp->mac_version == RTL_GIGA_MAC_VER_11) || + (tp->mac_version == RTL_GIGA_MAC_VER_12) || + (tp->mac_version >= RTL_GIGA_MAC_VER_17)) { + /* + * Wake up the PHY. + * Vendor specific (0x1f) and reserved (0x0e) MII + * registers. + */ + mdio_write(ioaddr, 0x1f, 0x0000); + mdio_write(ioaddr, 0x0e, 0x0000); + } + + mdio_write(ioaddr, MII_ADVERTISE, auto_nego); + mdio_write(ioaddr, MII_CTRL1000, giga_ctrl); + } else { + giga_ctrl = 0; + + if (speed == SPEED_10) + bmcr = 0; + else if (speed == SPEED_100) + bmcr = BMCR_SPEED100; + else + return -EINVAL; + + if (duplex == DUPLEX_FULL) + bmcr |= BMCR_FULLDPLX; + + mdio_write(ioaddr, 0x1f, 0x0000); + } + + tp->phy_1000_ctrl_reg = giga_ctrl; + + mdio_write(ioaddr, MII_BMCR, bmcr); + + if ((tp->mac_version == RTL_GIGA_MAC_VER_02) || + (tp->mac_version == RTL_GIGA_MAC_VER_03)) { + if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) { + mdio_write(ioaddr, 0x17, 0x2138); + mdio_write(ioaddr, 0x0e, 0x0260); + } else { + mdio_write(ioaddr, 0x17, 0x2108); + mdio_write(ioaddr, 0x0e, 0x0000); + } + } + + return 0; +} + +static int rtl8169_set_speed(struct net_device *dev, + u8 autoneg, u16 speed, u8 duplex) +{ + struct rtl8169_private *tp = netdev_priv(dev); + int ret; + + ret = tp->set_speed(dev, autoneg, speed, duplex); + + if (netif_running(dev) && (tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL)) + mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT); + + return ret; +} + +static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct rtl8169_private *tp = netdev_priv(dev); + unsigned long flags; + int ret; + + spin_lock_irqsave(&tp->lock, flags); + ret = rtl8169_set_speed(dev, cmd->autoneg, cmd->speed, cmd->duplex); + spin_unlock_irqrestore(&tp->lock, flags); + + return ret; +} + +static u32 rtl8169_get_rx_csum(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + return tp->cp_cmd & RxChkSum; +} + +static int rtl8169_set_rx_csum(struct net_device *dev, u32 data) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + + spin_lock_irqsave(&tp->lock, flags); + + if (data) + tp->cp_cmd |= RxChkSum; + else + tp->cp_cmd &= ~RxChkSum; + + RTL_W16(CPlusCmd, tp->cp_cmd); + RTL_R16(CPlusCmd); + + spin_unlock_irqrestore(&tp->lock, flags); + + return 0; +} + +#ifdef CONFIG_R8169_VLAN + +static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp, + struct sk_buff *skb) +{ + return (tp->vlgrp && vlan_tx_tag_present(skb)) ? + TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00; +} + +static void rtl8169_vlan_rx_register(struct net_device *dev, + struct vlan_group *grp) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + + spin_lock_irqsave(&tp->lock, flags); + tp->vlgrp = grp; + /* + * Do not disable RxVlan on 8110SCd. + */ + if (tp->vlgrp || (tp->mac_version == RTL_GIGA_MAC_VER_05)) + tp->cp_cmd |= RxVlan; + else + tp->cp_cmd &= ~RxVlan; + RTL_W16(CPlusCmd, tp->cp_cmd); + RTL_R16(CPlusCmd); + spin_unlock_irqrestore(&tp->lock, flags); +} + +static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc, + struct sk_buff *skb) +{ + u32 opts2 = le32_to_cpu(desc->opts2); + struct vlan_group *vlgrp = tp->vlgrp; + int ret; + + if (vlgrp && (opts2 & RxVlanTag)) { + vlan_hwaccel_receive_skb(skb, vlgrp, swab16(opts2 & 0xffff)); + ret = 0; + } else + ret = -1; + desc->opts2 = 0; + return ret; +} + +#else /* !CONFIG_R8169_VLAN */ + +static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp, + struct sk_buff *skb) +{ + return 0; +} + +static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc, + struct sk_buff *skb) +{ + return -1; +} + +#endif + +static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u32 status; + + cmd->supported = + SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE; + cmd->port = PORT_FIBRE; + cmd->transceiver = XCVR_INTERNAL; + + status = RTL_R32(TBICSR); + cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0; + cmd->autoneg = !!(status & TBINwEnable); + + cmd->speed = SPEED_1000; + cmd->duplex = DUPLEX_FULL; /* Always set */ + + return 0; +} + +static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + return mii_ethtool_gset(&tp->mii, cmd); +} + +static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct rtl8169_private *tp = netdev_priv(dev); + unsigned long flags; + int rc; + + spin_lock_irqsave(&tp->lock, flags); + + rc = tp->get_settings(dev, cmd); + + spin_unlock_irqrestore(&tp->lock, flags); + return rc; +} + +static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs, + void *p) +{ + struct rtl8169_private *tp = netdev_priv(dev); + unsigned long flags; + + if (regs->len > R8169_REGS_SIZE) + regs->len = R8169_REGS_SIZE; + + spin_lock_irqsave(&tp->lock, flags); + memcpy_fromio(p, tp->mmio_addr, regs->len); + spin_unlock_irqrestore(&tp->lock, flags); +} + +static u32 rtl8169_get_msglevel(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + return tp->msg_enable; +} + +static void rtl8169_set_msglevel(struct net_device *dev, u32 value) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + tp->msg_enable = value; +} + +static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = { + "tx_packets", + "rx_packets", + "tx_errors", + "rx_errors", + "rx_missed", + "align_errors", + "tx_single_collisions", + "tx_multi_collisions", + "unicast", + "broadcast", + "multicast", + "tx_aborted", + "tx_underrun", +}; + +static int rtl8169_get_sset_count(struct net_device *dev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return ARRAY_SIZE(rtl8169_gstrings); + default: + return -EOPNOTSUPP; + } +} + +static void rtl8169_update_counters(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + struct rtl8169_counters *counters; + dma_addr_t paddr; + u32 cmd; + int wait = 1000; + + /* + * Some chips are unable to dump tally counters when the receiver + * is disabled. + */ + if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0) + return; + + counters = pci_alloc_consistent(tp->pci_dev, sizeof(*counters), &paddr); + if (!counters) + return; + + RTL_W32(CounterAddrHigh, (u64)paddr >> 32); + cmd = (u64)paddr & DMA_BIT_MASK(32); + RTL_W32(CounterAddrLow, cmd); + RTL_W32(CounterAddrLow, cmd | CounterDump); + + while (wait--) { + if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) { + /* copy updated counters */ + memcpy(&tp->counters, counters, sizeof(*counters)); + break; + } + udelay(10); + } + + RTL_W32(CounterAddrLow, 0); + RTL_W32(CounterAddrHigh, 0); + + pci_free_consistent(tp->pci_dev, sizeof(*counters), counters, paddr); +} + +static void rtl8169_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + ASSERT_RTNL(); + + rtl8169_update_counters(dev); + + data[0] = le64_to_cpu(tp->counters.tx_packets); + data[1] = le64_to_cpu(tp->counters.rx_packets); + data[2] = le64_to_cpu(tp->counters.tx_errors); + data[3] = le32_to_cpu(tp->counters.rx_errors); + data[4] = le16_to_cpu(tp->counters.rx_missed); + data[5] = le16_to_cpu(tp->counters.align_errors); + data[6] = le32_to_cpu(tp->counters.tx_one_collision); + data[7] = le32_to_cpu(tp->counters.tx_multi_collision); + data[8] = le64_to_cpu(tp->counters.rx_unicast); + data[9] = le64_to_cpu(tp->counters.rx_broadcast); + data[10] = le32_to_cpu(tp->counters.rx_multicast); + data[11] = le16_to_cpu(tp->counters.tx_aborted); + data[12] = le16_to_cpu(tp->counters.tx_underun); +} + +static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data) +{ + switch(stringset) { + case ETH_SS_STATS: + memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings)); + break; + } +} + +static const struct ethtool_ops rtl8169_ethtool_ops = { + .get_drvinfo = rtl8169_get_drvinfo, + .get_regs_len = rtl8169_get_regs_len, + .get_link = ethtool_op_get_link, + .get_settings = rtl8169_get_settings, + .set_settings = rtl8169_set_settings, + .get_msglevel = rtl8169_get_msglevel, + .set_msglevel = rtl8169_set_msglevel, + .get_rx_csum = rtl8169_get_rx_csum, + .set_rx_csum = rtl8169_set_rx_csum, + .set_tx_csum = ethtool_op_set_tx_csum, + .set_sg = ethtool_op_set_sg, + .set_tso = ethtool_op_set_tso, + .get_regs = rtl8169_get_regs, + .get_wol = rtl8169_get_wol, + .set_wol = rtl8169_set_wol, + .get_strings = rtl8169_get_strings, + .get_sset_count = rtl8169_get_sset_count, + .get_ethtool_stats = rtl8169_get_ethtool_stats, +}; + +static void rtl8169_get_mac_version(struct rtl8169_private *tp, + void __iomem *ioaddr) +{ + /* + * The driver currently handles the 8168Bf and the 8168Be identically + * but they can be identified more specifically through the test below + * if needed: + * + * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be + * + * Same thing for the 8101Eb and the 8101Ec: + * + * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec + */ + const struct { + u32 mask; + u32 val; + int mac_version; + } mac_info[] = { + /* 8168D family. */ + { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 }, + { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 }, + { 0x7c800000, 0x28800000, RTL_GIGA_MAC_VER_27 }, + { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 }, + + /* 8168C family. */ + { 0x7cf00000, 0x3ca00000, RTL_GIGA_MAC_VER_24 }, + { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 }, + { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 }, + { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 }, + { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 }, + { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 }, + { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 }, + { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 }, + { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 }, + + /* 8168B family. */ + { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 }, + { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 }, + { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 }, + { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 }, + + /* 8101 family. */ + { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 }, + { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 }, + { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 }, + { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 }, + { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 }, + { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 }, + { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 }, + { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 }, + { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 }, + { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 }, + { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 }, + { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 }, + /* FIXME: where did these entries come from ? -- FR */ + { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 }, + { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 }, + + /* 8110 family. */ + { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 }, + { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 }, + { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 }, + { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 }, + { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 }, + { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 }, + + /* Catch-all */ + { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE } + }, *p = mac_info; + u32 reg; + + reg = RTL_R32(TxConfig); + while ((reg & p->mask) != p->val) + p++; + tp->mac_version = p->mac_version; +} + +static void rtl8169_print_mac_version(struct rtl8169_private *tp) +{ + dprintk("mac_version = 0x%02x\n", tp->mac_version); +} + +struct phy_reg { + u16 reg; + u16 val; +}; + +static void rtl_phy_write(void __iomem *ioaddr, struct phy_reg *regs, int len) +{ + while (len-- > 0) { + mdio_write(ioaddr, regs->reg, regs->val); + regs++; + } +} + +static void rtl8169s_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x06, 0x006e }, + { 0x08, 0x0708 }, + { 0x15, 0x4000 }, + { 0x18, 0x65c7 }, + + { 0x1f, 0x0001 }, + { 0x03, 0x00a1 }, + { 0x02, 0x0008 }, + { 0x01, 0x0120 }, + { 0x00, 0x1000 }, + { 0x04, 0x0800 }, + { 0x04, 0x0000 }, + + { 0x03, 0xff41 }, + { 0x02, 0xdf60 }, + { 0x01, 0x0140 }, + { 0x00, 0x0077 }, + { 0x04, 0x7800 }, + { 0x04, 0x7000 }, + + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf0f9 }, + { 0x04, 0x9800 }, + { 0x04, 0x9000 }, + + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0xff95 }, + { 0x00, 0xba00 }, + { 0x04, 0xa800 }, + { 0x04, 0xa000 }, + + { 0x03, 0xff41 }, + { 0x02, 0xdf20 }, + { 0x01, 0x0140 }, + { 0x00, 0x00bb }, + { 0x04, 0xb800 }, + { 0x04, 0xb000 }, + + { 0x03, 0xdf41 }, + { 0x02, 0xdc60 }, + { 0x01, 0x6340 }, + { 0x00, 0x007d }, + { 0x04, 0xd800 }, + { 0x04, 0xd000 }, + + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x100a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0xf000 }, + + { 0x1f, 0x0000 }, + { 0x0b, 0x0000 }, + { 0x00, 0x9200 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8169sb_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x01, 0x90d0 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp, + void __iomem *ioaddr) +{ + struct pci_dev *pdev = tp->pci_dev; + u16 vendor_id, device_id; + + pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id); + pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &device_id); + + if ((vendor_id != PCI_VENDOR_ID_GIGABYTE) || (device_id != 0xe000)) + return; + + mdio_write(ioaddr, 0x1f, 0x0001); + mdio_write(ioaddr, 0x10, 0xf01b); + mdio_write(ioaddr, 0x1f, 0x0000); +} + +static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp, + void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x04, 0x0000 }, + { 0x03, 0x00a1 }, + { 0x02, 0x0008 }, + { 0x01, 0x0120 }, + { 0x00, 0x1000 }, + { 0x04, 0x0800 }, + { 0x04, 0x9000 }, + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf099 }, + { 0x04, 0x9800 }, + { 0x04, 0xa000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0xff95 }, + { 0x00, 0xba00 }, + { 0x04, 0xa800 }, + { 0x04, 0xf000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x101a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0x0000 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x10, 0xf41b }, + { 0x14, 0xfb54 }, + { 0x18, 0xf5c7 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + rtl8169scd_hw_phy_config_quirk(tp, ioaddr); +} + +static void rtl8169sce_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x04, 0x0000 }, + { 0x03, 0x00a1 }, + { 0x02, 0x0008 }, + { 0x01, 0x0120 }, + { 0x00, 0x1000 }, + { 0x04, 0x0800 }, + { 0x04, 0x9000 }, + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf099 }, + { 0x04, 0x9800 }, + { 0x04, 0xa000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0xff95 }, + { 0x00, 0xba00 }, + { 0x04, 0xa800 }, + { 0x04, 0xf000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x101a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0x0000 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x0b, 0x8480 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x18, 0x67c7 }, + { 0x04, 0x2000 }, + { 0x03, 0x002f }, + { 0x02, 0x4360 }, + { 0x01, 0x0109 }, + { 0x00, 0x3022 }, + { 0x04, 0x2800 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168bb_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x10, 0xf41b }, + { 0x1f, 0x0000 } + }; + + mdio_write(ioaddr, 0x1f, 0x0001); + mdio_patch(ioaddr, 0x16, 1 << 0); + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168bef_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x10, 0xf41b }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168cp_1_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0000 }, + { 0x1d, 0x0f00 }, + { 0x1f, 0x0002 }, + { 0x0c, 0x1ec8 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168cp_2_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x1d, 0x3d98 }, + { 0x1f, 0x0000 } + }; + + mdio_write(ioaddr, 0x1f, 0x0000); + mdio_patch(ioaddr, 0x14, 1 << 5); + mdio_patch(ioaddr, 0x0d, 1 << 5); + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168c_1_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x12, 0x2300 }, + { 0x1f, 0x0002 }, + { 0x00, 0x88d4 }, + { 0x01, 0x82b1 }, + { 0x03, 0x7002 }, + { 0x08, 0x9e30 }, + { 0x09, 0x01f0 }, + { 0x0a, 0x5500 }, + { 0x0c, 0x00c8 }, + { 0x1f, 0x0003 }, + { 0x12, 0xc096 }, + { 0x16, 0x000a }, + { 0x1f, 0x0000 }, + { 0x1f, 0x0000 }, + { 0x09, 0x2000 }, + { 0x09, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + mdio_patch(ioaddr, 0x14, 1 << 5); + mdio_patch(ioaddr, 0x0d, 1 << 5); + mdio_write(ioaddr, 0x1f, 0x0000); +} + +static void rtl8168c_2_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x12, 0x2300 }, + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf099 }, + { 0x04, 0x9800 }, + { 0x04, 0x9000 }, + { 0x1d, 0x3d98 }, + { 0x1f, 0x0002 }, + { 0x0c, 0x7eb8 }, + { 0x06, 0x0761 }, + { 0x1f, 0x0003 }, + { 0x16, 0x0f0a }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + mdio_patch(ioaddr, 0x16, 1 << 0); + mdio_patch(ioaddr, 0x14, 1 << 5); + mdio_patch(ioaddr, 0x0d, 1 << 5); + mdio_write(ioaddr, 0x1f, 0x0000); +} + +static void rtl8168c_3_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x12, 0x2300 }, + { 0x1d, 0x3d98 }, + { 0x1f, 0x0002 }, + { 0x0c, 0x7eb8 }, + { 0x06, 0x5461 }, + { 0x1f, 0x0003 }, + { 0x16, 0x0f0a }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + mdio_patch(ioaddr, 0x16, 1 << 0); + mdio_patch(ioaddr, 0x14, 1 << 5); + mdio_patch(ioaddr, 0x0d, 1 << 5); + mdio_write(ioaddr, 0x1f, 0x0000); +} + +static void rtl8168c_4_hw_phy_config(void __iomem *ioaddr) +{ + rtl8168c_3_hw_phy_config(ioaddr); +} + +static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr) +{ + static struct phy_reg phy_reg_init_0[] = { + { 0x1f, 0x0001 }, + { 0x06, 0x4064 }, + { 0x07, 0x2863 }, + { 0x08, 0x059c }, + { 0x09, 0x26b4 }, + { 0x0a, 0x6a19 }, + { 0x0b, 0xdcc8 }, + { 0x10, 0xf06d }, + { 0x14, 0x7f68 }, + { 0x18, 0x7fd9 }, + { 0x1c, 0xf0ff }, + { 0x1d, 0x3d9c }, + { 0x1f, 0x0003 }, + { 0x12, 0xf49f }, + { 0x13, 0x070b }, + { 0x1a, 0x05ad }, + { 0x14, 0x94c0 } + }; + static struct phy_reg phy_reg_init_1[] = { + { 0x1f, 0x0002 }, + { 0x06, 0x5561 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8332 }, + { 0x06, 0x5561 } + }; + static struct phy_reg phy_reg_init_2[] = { + { 0x1f, 0x0005 }, + { 0x05, 0xffc2 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8000 }, + { 0x06, 0xf8f9 }, + { 0x06, 0xfaef }, + { 0x06, 0x59ee }, + { 0x06, 0xf8ea }, + { 0x06, 0x00ee }, + { 0x06, 0xf8eb }, + { 0x06, 0x00e0 }, + { 0x06, 0xf87c }, + { 0x06, 0xe1f8 }, + { 0x06, 0x7d59 }, + { 0x06, 0x0fef }, + { 0x06, 0x0139 }, + { 0x06, 0x029e }, + { 0x06, 0x06ef }, + { 0x06, 0x1039 }, + { 0x06, 0x089f }, + { 0x06, 0x2aee }, + { 0x06, 0xf8ea }, + { 0x06, 0x00ee }, + { 0x06, 0xf8eb }, + { 0x06, 0x01e0 }, + { 0x06, 0xf87c }, + { 0x06, 0xe1f8 }, + { 0x06, 0x7d58 }, + { 0x06, 0x409e }, + { 0x06, 0x0f39 }, + { 0x06, 0x46aa }, + { 0x06, 0x0bbf }, + { 0x06, 0x8290 }, + { 0x06, 0xd682 }, + { 0x06, 0x9802 }, + { 0x06, 0x014f }, + { 0x06, 0xae09 }, + { 0x06, 0xbf82 }, + { 0x06, 0x98d6 }, + { 0x06, 0x82a0 }, + { 0x06, 0x0201 }, + { 0x06, 0x4fef }, + { 0x06, 0x95fe }, + { 0x06, 0xfdfc }, + { 0x06, 0x05f8 }, + { 0x06, 0xf9fa }, + { 0x06, 0xeef8 }, + { 0x06, 0xea00 }, + { 0x06, 0xeef8 }, + { 0x06, 0xeb00 }, + { 0x06, 0xe2f8 }, + { 0x06, 0x7ce3 }, + { 0x06, 0xf87d }, + { 0x06, 0xa511 }, + { 0x06, 0x1112 }, + { 0x06, 0xd240 }, + { 0x06, 0xd644 }, + { 0x06, 0x4402 }, + { 0x06, 0x8217 }, + { 0x06, 0xd2a0 }, + { 0x06, 0xd6aa }, + { 0x06, 0xaa02 }, + { 0x06, 0x8217 }, + { 0x06, 0xae0f }, + { 0x06, 0xa544 }, + { 0x06, 0x4402 }, + { 0x06, 0xae4d }, + { 0x06, 0xa5aa }, + { 0x06, 0xaa02 }, + { 0x06, 0xae47 }, + { 0x06, 0xaf82 }, + { 0x06, 0x13ee }, + { 0x06, 0x834e }, + { 0x06, 0x00ee }, + { 0x06, 0x834d }, + { 0x06, 0x0fee }, + { 0x06, 0x834c }, + { 0x06, 0x0fee }, + { 0x06, 0x834f }, + { 0x06, 0x00ee }, + { 0x06, 0x8351 }, + { 0x06, 0x00ee }, + { 0x06, 0x834a }, + { 0x06, 0xffee }, + { 0x06, 0x834b }, + { 0x06, 0xffe0 }, + { 0x06, 0x8330 }, + { 0x06, 0xe183 }, + { 0x06, 0x3158 }, + { 0x06, 0xfee4 }, + { 0x06, 0xf88a }, + { 0x06, 0xe5f8 }, + { 0x06, 0x8be0 }, + { 0x06, 0x8332 }, + { 0x06, 0xe183 }, + { 0x06, 0x3359 }, + { 0x06, 0x0fe2 }, + { 0x06, 0x834d }, + { 0x06, 0x0c24 }, + { 0x06, 0x5af0 }, + { 0x06, 0x1e12 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x8ce5 }, + { 0x06, 0xf88d }, + { 0x06, 0xaf82 }, + { 0x06, 0x13e0 }, + { 0x06, 0x834f }, + { 0x06, 0x10e4 }, + { 0x06, 0x834f }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x009f }, + { 0x06, 0x0ae0 }, + { 0x06, 0x834f }, + { 0x06, 0xa010 }, + { 0x06, 0xa5ee }, + { 0x06, 0x834e }, + { 0x06, 0x01e0 }, + { 0x06, 0x834e }, + { 0x06, 0x7805 }, + { 0x06, 0x9e9a }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x049e }, + { 0x06, 0x10e0 }, + { 0x06, 0x834e }, + { 0x06, 0x7803 }, + { 0x06, 0x9e0f }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x019e }, + { 0x06, 0x05ae }, + { 0x06, 0x0caf }, + { 0x06, 0x81f8 }, + { 0x06, 0xaf81 }, + { 0x06, 0xa3af }, + { 0x06, 0x81dc }, + { 0x06, 0xaf82 }, + { 0x06, 0x13ee }, + { 0x06, 0x8348 }, + { 0x06, 0x00ee }, + { 0x06, 0x8349 }, + { 0x06, 0x00e0 }, + { 0x06, 0x8351 }, + { 0x06, 0x10e4 }, + { 0x06, 0x8351 }, + { 0x06, 0x5801 }, + { 0x06, 0x9fea }, + { 0x06, 0xd000 }, + { 0x06, 0xd180 }, + { 0x06, 0x1f66 }, + { 0x06, 0xe2f8 }, + { 0x06, 0xeae3 }, + { 0x06, 0xf8eb }, + { 0x06, 0x5af8 }, + { 0x06, 0x1e20 }, + { 0x06, 0xe6f8 }, + { 0x06, 0xeae5 }, + { 0x06, 0xf8eb }, + { 0x06, 0xd302 }, + { 0x06, 0xb3fe }, + { 0x06, 0xe2f8 }, + { 0x06, 0x7cef }, + { 0x06, 0x325b }, + { 0x06, 0x80e3 }, + { 0x06, 0xf87d }, + { 0x06, 0x9e03 }, + { 0x06, 0x7dff }, + { 0x06, 0xff0d }, + { 0x06, 0x581c }, + { 0x06, 0x551a }, + { 0x06, 0x6511 }, + { 0x06, 0xa190 }, + { 0x06, 0xd3e2 }, + { 0x06, 0x8348 }, + { 0x06, 0xe383 }, + { 0x06, 0x491b }, + { 0x06, 0x56ab }, + { 0x06, 0x08ef }, + { 0x06, 0x56e6 }, + { 0x06, 0x8348 }, + { 0x06, 0xe783 }, + { 0x06, 0x4910 }, + { 0x06, 0xd180 }, + { 0x06, 0x1f66 }, + { 0x06, 0xa004 }, + { 0x06, 0xb9e2 }, + { 0x06, 0x8348 }, + { 0x06, 0xe383 }, + { 0x06, 0x49ef }, + { 0x06, 0x65e2 }, + { 0x06, 0x834a }, + { 0x06, 0xe383 }, + { 0x06, 0x4b1b }, + { 0x06, 0x56aa }, + { 0x06, 0x0eef }, + { 0x06, 0x56e6 }, + { 0x06, 0x834a }, + { 0x06, 0xe783 }, + { 0x06, 0x4be2 }, + { 0x06, 0x834d }, + { 0x06, 0xe683 }, + { 0x06, 0x4ce0 }, + { 0x06, 0x834d }, + { 0x06, 0xa000 }, + { 0x06, 0x0caf }, + { 0x06, 0x81dc }, + { 0x06, 0xe083 }, + { 0x06, 0x4d10 }, + { 0x06, 0xe483 }, + { 0x06, 0x4dae }, + { 0x06, 0x0480 }, + { 0x06, 0xe483 }, + { 0x06, 0x4de0 }, + { 0x06, 0x834e }, + { 0x06, 0x7803 }, + { 0x06, 0x9e0b }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x049e }, + { 0x06, 0x04ee }, + { 0x06, 0x834e }, + { 0x06, 0x02e0 }, + { 0x06, 0x8332 }, + { 0x06, 0xe183 }, + { 0x06, 0x3359 }, + { 0x06, 0x0fe2 }, + { 0x06, 0x834d }, + { 0x06, 0x0c24 }, + { 0x06, 0x5af0 }, + { 0x06, 0x1e12 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x8ce5 }, + { 0x06, 0xf88d }, + { 0x06, 0xe083 }, + { 0x06, 0x30e1 }, + { 0x06, 0x8331 }, + { 0x06, 0x6801 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x8ae5 }, + { 0x06, 0xf88b }, + { 0x06, 0xae37 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e03 }, + { 0x06, 0xe083 }, + { 0x06, 0x4ce1 }, + { 0x06, 0x834d }, + { 0x06, 0x1b01 }, + { 0x06, 0x9e04 }, + { 0x06, 0xaaa1 }, + { 0x06, 0xaea8 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e04 }, + { 0x06, 0xee83 }, + { 0x06, 0x4f00 }, + { 0x06, 0xaeab }, + { 0x06, 0xe083 }, + { 0x06, 0x4f78 }, + { 0x06, 0x039f }, + { 0x06, 0x14ee }, + { 0x06, 0x834e }, + { 0x06, 0x05d2 }, + { 0x06, 0x40d6 }, + { 0x06, 0x5554 }, + { 0x06, 0x0282 }, + { 0x06, 0x17d2 }, + { 0x06, 0xa0d6 }, + { 0x06, 0xba00 }, + { 0x06, 0x0282 }, + { 0x06, 0x17fe }, + { 0x06, 0xfdfc }, + { 0x06, 0x05f8 }, + { 0x06, 0xe0f8 }, + { 0x06, 0x60e1 }, + { 0x06, 0xf861 }, + { 0x06, 0x6802 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x60e5 }, + { 0x06, 0xf861 }, + { 0x06, 0xe0f8 }, + { 0x06, 0x48e1 }, + { 0x06, 0xf849 }, + { 0x06, 0x580f }, + { 0x06, 0x1e02 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x48e5 }, + { 0x06, 0xf849 }, + { 0x06, 0xd000 }, + { 0x06, 0x0282 }, + { 0x06, 0x5bbf }, + { 0x06, 0x8350 }, + { 0x06, 0xef46 }, + { 0x06, 0xdc19 }, + { 0x06, 0xddd0 }, + { 0x06, 0x0102 }, + { 0x06, 0x825b }, + { 0x06, 0x0282 }, + { 0x06, 0x77e0 }, + { 0x06, 0xf860 }, + { 0x06, 0xe1f8 }, + { 0x06, 0x6158 }, + { 0x06, 0xfde4 }, + { 0x06, 0xf860 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x61fc }, + { 0x06, 0x04f9 }, + { 0x06, 0xfafb }, + { 0x06, 0xc6bf }, + { 0x06, 0xf840 }, + { 0x06, 0xbe83 }, + { 0x06, 0x50a0 }, + { 0x06, 0x0101 }, + { 0x06, 0x071b }, + { 0x06, 0x89cf }, + { 0x06, 0xd208 }, + { 0x06, 0xebdb }, + { 0x06, 0x19b2 }, + { 0x06, 0xfbff }, + { 0x06, 0xfefd }, + { 0x06, 0x04f8 }, + { 0x06, 0xe0f8 }, + { 0x06, 0x48e1 }, + { 0x06, 0xf849 }, + { 0x06, 0x6808 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x48e5 }, + { 0x06, 0xf849 }, + { 0x06, 0x58f7 }, + { 0x06, 0xe4f8 }, + { 0x06, 0x48e5 }, + { 0x06, 0xf849 }, + { 0x06, 0xfc04 }, + { 0x06, 0x4d20 }, + { 0x06, 0x0002 }, + { 0x06, 0x4e22 }, + { 0x06, 0x0002 }, + { 0x06, 0x4ddf }, + { 0x06, 0xff01 }, + { 0x06, 0x4edd }, + { 0x06, 0xff01 }, + { 0x05, 0x83d4 }, + { 0x06, 0x8000 }, + { 0x05, 0x83d8 }, + { 0x06, 0x8051 }, + { 0x02, 0x6010 }, + { 0x03, 0xdc00 }, + { 0x05, 0xfff6 }, + { 0x06, 0x00fc }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0000 }, + { 0x0d, 0xf880 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_plus_minus(ioaddr, 0x0b, 0x0010, 0x00ef); + mdio_plus_minus(ioaddr, 0x0c, 0xa200, 0x5d00); + + rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1)); + + if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) { + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x669a }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x669a }, + { 0x1f, 0x0002 } + }; + int val; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + val = mdio_read(ioaddr, 0x0d); + + if ((val & 0x00ff) != 0x006c) { + u32 set[] = { + 0x0065, 0x0066, 0x0067, 0x0068, + 0x0069, 0x006a, 0x006b, 0x006c + }; + int i; + + mdio_write(ioaddr, 0x1f, 0x0002); + + val &= 0xff00; + for (i = 0; i < ARRAY_SIZE(set); i++) + mdio_write(ioaddr, 0x0d, val | set[i]); + } + } else { + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x6662 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x6662 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + } + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_patch(ioaddr, 0x0d, 0x0300); + mdio_patch(ioaddr, 0x0f, 0x0010); + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600); + mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000); + + rtl_phy_write(ioaddr, phy_reg_init_2, ARRAY_SIZE(phy_reg_init_2)); +} + +static void rtl8168d_2_hw_phy_config(void __iomem *ioaddr) +{ + static struct phy_reg phy_reg_init_0[] = { + { 0x1f, 0x0001 }, + { 0x06, 0x4064 }, + { 0x07, 0x2863 }, + { 0x08, 0x059c }, + { 0x09, 0x26b4 }, + { 0x0a, 0x6a19 }, + { 0x0b, 0xdcc8 }, + { 0x10, 0xf06d }, + { 0x14, 0x7f68 }, + { 0x18, 0x7fd9 }, + { 0x1c, 0xf0ff }, + { 0x1d, 0x3d9c }, + { 0x1f, 0x0003 }, + { 0x12, 0xf49f }, + { 0x13, 0x070b }, + { 0x1a, 0x05ad }, + { 0x14, 0x94c0 }, + + { 0x1f, 0x0002 }, + { 0x06, 0x5561 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8332 }, + { 0x06, 0x5561 } + }; + static struct phy_reg phy_reg_init_1[] = { + { 0x1f, 0x0005 }, + { 0x05, 0xffc2 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8000 }, + { 0x06, 0xf8f9 }, + { 0x06, 0xfaee }, + { 0x06, 0xf8ea }, + { 0x06, 0x00ee }, + { 0x06, 0xf8eb }, + { 0x06, 0x00e2 }, + { 0x06, 0xf87c }, + { 0x06, 0xe3f8 }, + { 0x06, 0x7da5 }, + { 0x06, 0x1111 }, + { 0x06, 0x12d2 }, + { 0x06, 0x40d6 }, + { 0x06, 0x4444 }, + { 0x06, 0x0281 }, + { 0x06, 0xc6d2 }, + { 0x06, 0xa0d6 }, + { 0x06, 0xaaaa }, + { 0x06, 0x0281 }, + { 0x06, 0xc6ae }, + { 0x06, 0x0fa5 }, + { 0x06, 0x4444 }, + { 0x06, 0x02ae }, + { 0x06, 0x4da5 }, + { 0x06, 0xaaaa }, + { 0x06, 0x02ae }, + { 0x06, 0x47af }, + { 0x06, 0x81c2 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e00 }, + { 0x06, 0xee83 }, + { 0x06, 0x4d0f }, + { 0x06, 0xee83 }, + { 0x06, 0x4c0f }, + { 0x06, 0xee83 }, + { 0x06, 0x4f00 }, + { 0x06, 0xee83 }, + { 0x06, 0x5100 }, + { 0x06, 0xee83 }, + { 0x06, 0x4aff }, + { 0x06, 0xee83 }, + { 0x06, 0x4bff }, + { 0x06, 0xe083 }, + { 0x06, 0x30e1 }, + { 0x06, 0x8331 }, + { 0x06, 0x58fe }, + { 0x06, 0xe4f8 }, + { 0x06, 0x8ae5 }, + { 0x06, 0xf88b }, + { 0x06, 0xe083 }, + { 0x06, 0x32e1 }, + { 0x06, 0x8333 }, + { 0x06, 0x590f }, + { 0x06, 0xe283 }, + { 0x06, 0x4d0c }, + { 0x06, 0x245a }, + { 0x06, 0xf01e }, + { 0x06, 0x12e4 }, + { 0x06, 0xf88c }, + { 0x06, 0xe5f8 }, + { 0x06, 0x8daf }, + { 0x06, 0x81c2 }, + { 0x06, 0xe083 }, + { 0x06, 0x4f10 }, + { 0x06, 0xe483 }, + { 0x06, 0x4fe0 }, + { 0x06, 0x834e }, + { 0x06, 0x7800 }, + { 0x06, 0x9f0a }, + { 0x06, 0xe083 }, + { 0x06, 0x4fa0 }, + { 0x06, 0x10a5 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e01 }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x059e }, + { 0x06, 0x9ae0 }, + { 0x06, 0x834e }, + { 0x06, 0x7804 }, + { 0x06, 0x9e10 }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x039e }, + { 0x06, 0x0fe0 }, + { 0x06, 0x834e }, + { 0x06, 0x7801 }, + { 0x06, 0x9e05 }, + { 0x06, 0xae0c }, + { 0x06, 0xaf81 }, + { 0x06, 0xa7af }, + { 0x06, 0x8152 }, + { 0x06, 0xaf81 }, + { 0x06, 0x8baf }, + { 0x06, 0x81c2 }, + { 0x06, 0xee83 }, + { 0x06, 0x4800 }, + { 0x06, 0xee83 }, + { 0x06, 0x4900 }, + { 0x06, 0xe083 }, + { 0x06, 0x5110 }, + { 0x06, 0xe483 }, + { 0x06, 0x5158 }, + { 0x06, 0x019f }, + { 0x06, 0xead0 }, + { 0x06, 0x00d1 }, + { 0x06, 0x801f }, + { 0x06, 0x66e2 }, + { 0x06, 0xf8ea }, + { 0x06, 0xe3f8 }, + { 0x06, 0xeb5a }, + { 0x06, 0xf81e }, + { 0x06, 0x20e6 }, + { 0x06, 0xf8ea }, + { 0x06, 0xe5f8 }, + { 0x06, 0xebd3 }, + { 0x06, 0x02b3 }, + { 0x06, 0xfee2 }, + { 0x06, 0xf87c }, + { 0x06, 0xef32 }, + { 0x06, 0x5b80 }, + { 0x06, 0xe3f8 }, + { 0x06, 0x7d9e }, + { 0x06, 0x037d }, + { 0x06, 0xffff }, + { 0x06, 0x0d58 }, + { 0x06, 0x1c55 }, + { 0x06, 0x1a65 }, + { 0x06, 0x11a1 }, + { 0x06, 0x90d3 }, + { 0x06, 0xe283 }, + { 0x06, 0x48e3 }, + { 0x06, 0x8349 }, + { 0x06, 0x1b56 }, + { 0x06, 0xab08 }, + { 0x06, 0xef56 }, + { 0x06, 0xe683 }, + { 0x06, 0x48e7 }, + { 0x06, 0x8349 }, + { 0x06, 0x10d1 }, + { 0x06, 0x801f }, + { 0x06, 0x66a0 }, + { 0x06, 0x04b9 }, + { 0x06, 0xe283 }, + { 0x06, 0x48e3 }, + { 0x06, 0x8349 }, + { 0x06, 0xef65 }, + { 0x06, 0xe283 }, + { 0x06, 0x4ae3 }, + { 0x06, 0x834b }, + { 0x06, 0x1b56 }, + { 0x06, 0xaa0e }, + { 0x06, 0xef56 }, + { 0x06, 0xe683 }, + { 0x06, 0x4ae7 }, + { 0x06, 0x834b }, + { 0x06, 0xe283 }, + { 0x06, 0x4de6 }, + { 0x06, 0x834c }, + { 0x06, 0xe083 }, + { 0x06, 0x4da0 }, + { 0x06, 0x000c }, + { 0x06, 0xaf81 }, + { 0x06, 0x8be0 }, + { 0x06, 0x834d }, + { 0x06, 0x10e4 }, + { 0x06, 0x834d }, + { 0x06, 0xae04 }, + { 0x06, 0x80e4 }, + { 0x06, 0x834d }, + { 0x06, 0xe083 }, + { 0x06, 0x4e78 }, + { 0x06, 0x039e }, + { 0x06, 0x0be0 }, + { 0x06, 0x834e }, + { 0x06, 0x7804 }, + { 0x06, 0x9e04 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e02 }, + { 0x06, 0xe083 }, + { 0x06, 0x32e1 }, + { 0x06, 0x8333 }, + { 0x06, 0x590f }, + { 0x06, 0xe283 }, + { 0x06, 0x4d0c }, + { 0x06, 0x245a }, + { 0x06, 0xf01e }, + { 0x06, 0x12e4 }, + { 0x06, 0xf88c }, + { 0x06, 0xe5f8 }, + { 0x06, 0x8de0 }, + { 0x06, 0x8330 }, + { 0x06, 0xe183 }, + { 0x06, 0x3168 }, + { 0x06, 0x01e4 }, + { 0x06, 0xf88a }, + { 0x06, 0xe5f8 }, + { 0x06, 0x8bae }, + { 0x06, 0x37ee }, + { 0x06, 0x834e }, + { 0x06, 0x03e0 }, + { 0x06, 0x834c }, + { 0x06, 0xe183 }, + { 0x06, 0x4d1b }, + { 0x06, 0x019e }, + { 0x06, 0x04aa }, + { 0x06, 0xa1ae }, + { 0x06, 0xa8ee }, + { 0x06, 0x834e }, + { 0x06, 0x04ee }, + { 0x06, 0x834f }, + { 0x06, 0x00ae }, + { 0x06, 0xabe0 }, + { 0x06, 0x834f }, + { 0x06, 0x7803 }, + { 0x06, 0x9f14 }, + { 0x06, 0xee83 }, + { 0x06, 0x4e05 }, + { 0x06, 0xd240 }, + { 0x06, 0xd655 }, + { 0x06, 0x5402 }, + { 0x06, 0x81c6 }, + { 0x06, 0xd2a0 }, + { 0x06, 0xd6ba }, + { 0x06, 0x0002 }, + { 0x06, 0x81c6 }, + { 0x06, 0xfefd }, + { 0x06, 0xfc05 }, + { 0x06, 0xf8e0 }, + { 0x06, 0xf860 }, + { 0x06, 0xe1f8 }, + { 0x06, 0x6168 }, + { 0x06, 0x02e4 }, + { 0x06, 0xf860 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x61e0 }, + { 0x06, 0xf848 }, + { 0x06, 0xe1f8 }, + { 0x06, 0x4958 }, + { 0x06, 0x0f1e }, + { 0x06, 0x02e4 }, + { 0x06, 0xf848 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x49d0 }, + { 0x06, 0x0002 }, + { 0x06, 0x820a }, + { 0x06, 0xbf83 }, + { 0x06, 0x50ef }, + { 0x06, 0x46dc }, + { 0x06, 0x19dd }, + { 0x06, 0xd001 }, + { 0x06, 0x0282 }, + { 0x06, 0x0a02 }, + { 0x06, 0x8226 }, + { 0x06, 0xe0f8 }, + { 0x06, 0x60e1 }, + { 0x06, 0xf861 }, + { 0x06, 0x58fd }, + { 0x06, 0xe4f8 }, + { 0x06, 0x60e5 }, + { 0x06, 0xf861 }, + { 0x06, 0xfc04 }, + { 0x06, 0xf9fa }, + { 0x06, 0xfbc6 }, + { 0x06, 0xbff8 }, + { 0x06, 0x40be }, + { 0x06, 0x8350 }, + { 0x06, 0xa001 }, + { 0x06, 0x0107 }, + { 0x06, 0x1b89 }, + { 0x06, 0xcfd2 }, + { 0x06, 0x08eb }, + { 0x06, 0xdb19 }, + { 0x06, 0xb2fb }, + { 0x06, 0xfffe }, + { 0x06, 0xfd04 }, + { 0x06, 0xf8e0 }, + { 0x06, 0xf848 }, + { 0x06, 0xe1f8 }, + { 0x06, 0x4968 }, + { 0x06, 0x08e4 }, + { 0x06, 0xf848 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x4958 }, + { 0x06, 0xf7e4 }, + { 0x06, 0xf848 }, + { 0x06, 0xe5f8 }, + { 0x06, 0x49fc }, + { 0x06, 0x044d }, + { 0x06, 0x2000 }, + { 0x06, 0x024e }, + { 0x06, 0x2200 }, + { 0x06, 0x024d }, + { 0x06, 0xdfff }, + { 0x06, 0x014e }, + { 0x06, 0xddff }, + { 0x06, 0x0100 }, + { 0x05, 0x83d8 }, + { 0x06, 0x8000 }, + { 0x03, 0xdc00 }, + { 0x05, 0xfff6 }, + { 0x06, 0x00fc }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0000 }, + { 0x0d, 0xf880 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); + + if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) { + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x669a }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x669a }, + + { 0x1f, 0x0002 } + }; + int val; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + val = mdio_read(ioaddr, 0x0d); + if ((val & 0x00ff) != 0x006c) { + u32 set[] = { + 0x0065, 0x0066, 0x0067, 0x0068, + 0x0069, 0x006a, 0x006b, 0x006c + }; + int i; + + mdio_write(ioaddr, 0x1f, 0x0002); + + val &= 0xff00; + for (i = 0; i < ARRAY_SIZE(set); i++) + mdio_write(ioaddr, 0x0d, val | set[i]); + } + } else { + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x05, 0x2642 }, + { 0x1f, 0x0005 }, + { 0x05, 0x8330 }, + { 0x06, 0x2642 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + } + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_plus_minus(ioaddr, 0x02, 0x0100, 0x0600); + mdio_plus_minus(ioaddr, 0x03, 0x0000, 0xe000); + + mdio_write(ioaddr, 0x1f, 0x0001); + mdio_write(ioaddr, 0x17, 0x0cc0); + + mdio_write(ioaddr, 0x1f, 0x0002); + mdio_patch(ioaddr, 0x0f, 0x0017); + + rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1)); +} + +static void rtl8168d_3_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0002 }, + { 0x10, 0x0008 }, + { 0x0d, 0x006c }, + + { 0x1f, 0x0000 }, + { 0x0d, 0xf880 }, + + { 0x1f, 0x0001 }, + { 0x17, 0x0cc0 }, + + { 0x1f, 0x0001 }, + { 0x0b, 0xa4d8 }, + { 0x09, 0x281c }, + { 0x07, 0x2883 }, + { 0x0a, 0x6b35 }, + { 0x1d, 0x3da4 }, + { 0x1c, 0xeffd }, + { 0x14, 0x7f52 }, + { 0x18, 0x7fc6 }, + { 0x08, 0x0601 }, + { 0x06, 0x4063 }, + { 0x10, 0xf074 }, + { 0x1f, 0x0003 }, + { 0x13, 0x0789 }, + { 0x12, 0xf4bd }, + { 0x1a, 0x04fd }, + { 0x14, 0x84b0 }, + { 0x1f, 0x0000 }, + { 0x00, 0x9200 }, + + { 0x1f, 0x0005 }, + { 0x01, 0x0340 }, + { 0x1f, 0x0001 }, + { 0x04, 0x4000 }, + { 0x03, 0x1d21 }, + { 0x02, 0x0c32 }, + { 0x01, 0x0200 }, + { 0x00, 0x5554 }, + { 0x04, 0x4800 }, + { 0x04, 0x4000 }, + { 0x04, 0xf000 }, + { 0x03, 0xdf01 }, + { 0x02, 0xdf20 }, + { 0x01, 0x101a }, + { 0x00, 0xa0ff }, + { 0x04, 0xf800 }, + { 0x04, 0xf000 }, + { 0x1f, 0x0000 }, + + { 0x1f, 0x0007 }, + { 0x1e, 0x0023 }, + { 0x16, 0x0000 }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8102e_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0003 }, + { 0x08, 0x441d }, + { 0x01, 0x9100 }, + { 0x1f, 0x0000 } + }; + + mdio_write(ioaddr, 0x1f, 0x0000); + mdio_patch(ioaddr, 0x11, 1 << 12); + mdio_patch(ioaddr, 0x19, 1 << 13); + mdio_patch(ioaddr, 0x10, 1 << 15); + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl_hw_phy_config(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + rtl8169_print_mac_version(tp); + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_01: + break; + case RTL_GIGA_MAC_VER_02: + case RTL_GIGA_MAC_VER_03: + rtl8169s_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_04: + rtl8169sb_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_05: + rtl8169scd_hw_phy_config(tp, ioaddr); + break; + case RTL_GIGA_MAC_VER_06: + rtl8169sce_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_07: + case RTL_GIGA_MAC_VER_08: + case RTL_GIGA_MAC_VER_09: + rtl8102e_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_11: + rtl8168bb_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_12: + rtl8168bef_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_17: + rtl8168bef_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_18: + rtl8168cp_1_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_19: + rtl8168c_1_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_20: + rtl8168c_2_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_21: + rtl8168c_3_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_22: + rtl8168c_4_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_23: + case RTL_GIGA_MAC_VER_24: + rtl8168cp_2_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_25: + rtl8168d_1_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_26: + rtl8168d_2_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_27: + rtl8168d_3_hw_phy_config(ioaddr); + break; + + default: + break; + } +} + +static void rtl8169_phy_timer(unsigned long __opaque) +{ + struct net_device *dev = (struct net_device *)__opaque; + struct rtl8169_private *tp = netdev_priv(dev); + struct timer_list *timer = &tp->timer; + void __iomem *ioaddr = tp->mmio_addr; + unsigned long timeout = RTL8169_PHY_TIMEOUT; + + assert(tp->mac_version > RTL_GIGA_MAC_VER_01); + + if (!(tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL)) + return; + + spin_lock_irq(&tp->lock); + + if (tp->phy_reset_pending(ioaddr)) { + /* + * A busy loop could burn quite a few cycles on nowadays CPU. + * Let's delay the execution of the timer for a few ticks. + */ + timeout = HZ/10; + goto out_mod_timer; + } + + if (tp->link_ok(ioaddr)) + goto out_unlock; + + if (netif_msg_link(tp)) + printk(KERN_WARNING "%s: PHY reset until link up\n", dev->name); + + tp->phy_reset_enable(ioaddr); + +out_mod_timer: + mod_timer(timer, jiffies + timeout); +out_unlock: + spin_unlock_irq(&tp->lock); +} + +static inline void rtl8169_delete_timer(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct timer_list *timer = &tp->timer; + + if (tp->mac_version <= RTL_GIGA_MAC_VER_01) + return; + + del_timer_sync(timer); +} + +static inline void rtl8169_request_timer(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct timer_list *timer = &tp->timer; + + if (tp->mac_version <= RTL_GIGA_MAC_VER_01) + return; + + mod_timer(timer, jiffies + RTL8169_PHY_TIMEOUT); +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling 'interrupt' - used by things like netconsole to send skbs + * without having to re-enable interrupts. It's not called while + * the interrupt routine is executing. + */ +static void rtl8169_netpoll(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + + disable_irq(pdev->irq); + rtl8169_interrupt(pdev->irq, dev); + enable_irq(pdev->irq); +} +#endif + +static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev, + void __iomem *ioaddr) +{ + iounmap(ioaddr); + pci_release_regions(pdev); + pci_disable_device(pdev); + free_netdev(dev); +} + +static void rtl8169_phy_reset(struct net_device *dev, + struct rtl8169_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + unsigned int i; + + tp->phy_reset_enable(ioaddr); + for (i = 0; i < 100; i++) { + if (!tp->phy_reset_pending(ioaddr)) + return; + msleep(1); + } + if (netif_msg_link(tp)) + printk(KERN_ERR "%s: PHY reset failed.\n", dev->name); +} + +static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + + rtl_hw_phy_config(dev); + + if (tp->mac_version <= RTL_GIGA_MAC_VER_06) { + dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); + RTL_W8(0x82, 0x01); + } + + pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40); + + if (tp->mac_version <= RTL_GIGA_MAC_VER_06) + pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); + + if (tp->mac_version == RTL_GIGA_MAC_VER_02) { + dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); + RTL_W8(0x82, 0x01); + dprintk("Set PHY Reg 0x0bh = 0x00h\n"); + mdio_write(ioaddr, 0x0b, 0x0000); //w 0x0b 15 0 0 + } + + rtl8169_phy_reset(dev, tp); + + /* + * rtl8169_set_speed_xmii takes good care of the Fast Ethernet + * only 8101. Don't panic. + */ + rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL); + + if ((RTL_R8(PHYstatus) & TBI_Enable) && netif_msg_link(tp)) + printk(KERN_INFO PFX "%s: TBI auto-negotiating\n", dev->name); +} + +static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr) +{ + void __iomem *ioaddr = tp->mmio_addr; + u32 high; + u32 low; + + low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24); + high = addr[4] | (addr[5] << 8); + + spin_lock_irq(&tp->lock); + + RTL_W8(Cfg9346, Cfg9346_Unlock); + RTL_W32(MAC0, low); + RTL_W32(MAC4, high); + RTL_W8(Cfg9346, Cfg9346_Lock); + + spin_unlock_irq(&tp->lock); +} + +static int rtl_set_mac_address(struct net_device *dev, void *p) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct sockaddr *addr = p; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + + rtl_rar_set(tp, dev->dev_addr); + + return 0; +} + +static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct mii_ioctl_data *data = if_mii(ifr); + + return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV; +} + +static int rtl_xmii_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd) +{ + switch (cmd) { + case SIOCGMIIPHY: + data->phy_id = 32; /* Internal PHY */ + return 0; + + case SIOCGMIIREG: + data->val_out = mdio_read(tp->mmio_addr, data->reg_num & 0x1f); + return 0; + + case SIOCSMIIREG: + mdio_write(tp->mmio_addr, data->reg_num & 0x1f, data->val_in); + return 0; + } + return -EOPNOTSUPP; +} + +static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd) +{ + return -EOPNOTSUPP; +} + +static const struct rtl_cfg_info { + void (*hw_start)(struct net_device *); + unsigned int region; + unsigned int align; + u16 intr_event; + u16 napi_event; + unsigned features; + u8 default_ver; +} rtl_cfg_infos [] = { + [RTL_CFG_0] = { + .hw_start = rtl_hw_start_8169, + .region = 1, + .align = 0, + .intr_event = SYSErr | LinkChg | RxOverflow | + RxFIFOOver | TxErr | TxOK | RxOK | RxErr, + .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow, + .features = RTL_FEATURE_GMII, + .default_ver = RTL_GIGA_MAC_VER_01, + }, + [RTL_CFG_1] = { + .hw_start = rtl_hw_start_8168, + .region = 2, + .align = 8, + .intr_event = SYSErr | LinkChg | RxOverflow | + TxErr | TxOK | RxOK | RxErr, + .napi_event = TxErr | TxOK | RxOK | RxOverflow, + .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI, + .default_ver = RTL_GIGA_MAC_VER_11, + }, + [RTL_CFG_2] = { + .hw_start = rtl_hw_start_8101, + .region = 2, + .align = 8, + .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout | + RxFIFOOver | TxErr | TxOK | RxOK | RxErr, + .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow, + .features = RTL_FEATURE_MSI, + .default_ver = RTL_GIGA_MAC_VER_13, + } +}; + +/* Cfg9346_Unlock assumed. */ +static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr, + const struct rtl_cfg_info *cfg) +{ + unsigned msi = 0; + u8 cfg2; + + cfg2 = RTL_R8(Config2) & ~MSIEnable; + if (cfg->features & RTL_FEATURE_MSI) { + if (pci_enable_msi(pdev)) { + dev_info(&pdev->dev, "no MSI. Back to INTx.\n"); + } else { + cfg2 |= MSIEnable; + msi = RTL_FEATURE_MSI; + } + } + RTL_W8(Config2, cfg2); + return msi; +} + +static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp) +{ + if (tp->features & RTL_FEATURE_MSI) { + pci_disable_msi(pdev); + tp->features &= ~RTL_FEATURE_MSI; + } +} + +static const struct net_device_ops rtl8169_netdev_ops = { + .ndo_open = rtl8169_open, + .ndo_stop = rtl8169_close, + .ndo_get_stats = rtl8169_get_stats, + .ndo_start_xmit = rtl8169_start_xmit, + .ndo_tx_timeout = rtl8169_tx_timeout, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = rtl8169_change_mtu, + .ndo_set_mac_address = rtl_set_mac_address, + .ndo_do_ioctl = rtl8169_ioctl, + .ndo_set_multicast_list = rtl_set_rx_mode, +#ifdef CONFIG_R8169_VLAN + .ndo_vlan_rx_register = rtl8169_vlan_rx_register, +#endif +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = rtl8169_netpoll, +#endif + +}; + +static int __devinit +rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data; + const unsigned int region = cfg->region; + struct rtl8169_private *tp; + struct mii_if_info *mii; + struct net_device *dev; + void __iomem *ioaddr; + unsigned int i; + int rc; + + if (netif_msg_drv(&debug)) { + printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n", + MODULENAME, RTL8169_VERSION); + } + + dev = alloc_etherdev(sizeof (*tp)); + if (!dev) { + if (netif_msg_drv(&debug)) + dev_err(&pdev->dev, "unable to alloc new ethernet\n"); + rc = -ENOMEM; + goto out; + } + + SET_NETDEV_DEV(dev, &pdev->dev); + dev->netdev_ops = &rtl8169_netdev_ops; + tp = netdev_priv(dev); + tp->dev = dev; + tp->pci_dev = pdev; + tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT); + + mii = &tp->mii; + mii->dev = dev; + mii->mdio_read = rtl_mdio_read; + mii->mdio_write = rtl_mdio_write; + mii->phy_id_mask = 0x1f; + mii->reg_num_mask = 0x1f; + mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII); + + /* enable device (incl. PCI PM wakeup and hotplug setup) */ + rc = pci_enable_device(pdev); + if (rc < 0) { + if (netif_msg_probe(tp)) + dev_err(&pdev->dev, "enable failure\n"); + goto err_out_free_dev_1; + } + + rc = pci_set_mwi(pdev); + if (rc < 0) + goto err_out_disable_2; + + /* make sure PCI base addr 1 is MMIO */ + if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) { + if (netif_msg_probe(tp)) { + dev_err(&pdev->dev, + "region #%d not an MMIO resource, aborting\n", + region); + } + rc = -ENODEV; + goto err_out_mwi_3; + } + + /* check for weird/broken PCI region reporting */ + if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) { + if (netif_msg_probe(tp)) { + dev_err(&pdev->dev, + "Invalid PCI region size(s), aborting\n"); + } + rc = -ENODEV; + goto err_out_mwi_3; + } + + rc = pci_request_regions(pdev, MODULENAME); + if (rc < 0) { + if (netif_msg_probe(tp)) + dev_err(&pdev->dev, "could not request regions.\n"); + goto err_out_mwi_3; + } + + tp->cp_cmd = PCIMulRW | RxChkSum; + + if ((sizeof(dma_addr_t) > 4) && + !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) { + tp->cp_cmd |= PCIDAC; + dev->features |= NETIF_F_HIGHDMA; + } else { + rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (rc < 0) { + if (netif_msg_probe(tp)) { + dev_err(&pdev->dev, + "DMA configuration failed.\n"); + } + goto err_out_free_res_4; + } + } + + /* ioremap MMIO region */ + ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE); + if (!ioaddr) { + if (netif_msg_probe(tp)) + dev_err(&pdev->dev, "cannot remap MMIO, aborting\n"); + rc = -EIO; + goto err_out_free_res_4; + } + + tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); + if (!tp->pcie_cap && netif_msg_probe(tp)) + dev_info(&pdev->dev, "no PCI Express capability\n"); + + RTL_W16(IntrMask, 0x0000); + + /* Soft reset the chip. */ + RTL_W8(ChipCmd, CmdReset); + + /* Check that the chip has finished the reset. */ + for (i = 0; i < 100; i++) { + if ((RTL_R8(ChipCmd) & CmdReset) == 0) + break; + msleep_interruptible(1); + } + + RTL_W16(IntrStatus, 0xffff); + + pci_set_master(pdev); + + /* Identify chip attached to board */ + rtl8169_get_mac_version(tp, ioaddr); + + /* Use appropriate default if unknown */ + if (tp->mac_version == RTL_GIGA_MAC_NONE) { + if (netif_msg_probe(tp)) { + dev_notice(&pdev->dev, + "unknown MAC, using family default\n"); + } + tp->mac_version = cfg->default_ver; + } + + rtl8169_print_mac_version(tp); + + for (i = 0; i < ARRAY_SIZE(rtl_chip_info); i++) { + if (tp->mac_version == rtl_chip_info[i].mac_version) + break; + } + if (i == ARRAY_SIZE(rtl_chip_info)) { + dev_err(&pdev->dev, + "driver bug, MAC version not found in rtl_chip_info\n"); + goto err_out_msi_5; + } + tp->chipset = i; + + RTL_W8(Cfg9346, Cfg9346_Unlock); + RTL_W8(Config1, RTL_R8(Config1) | PMEnable); + RTL_W8(Config5, RTL_R8(Config5) & PMEStatus); + if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0) + tp->features |= RTL_FEATURE_WOL; + if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0) + tp->features |= RTL_FEATURE_WOL; + tp->features |= rtl_try_msi(pdev, ioaddr, cfg); + RTL_W8(Cfg9346, Cfg9346_Lock); + + if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) && + (RTL_R8(PHYstatus) & TBI_Enable)) { + tp->set_speed = rtl8169_set_speed_tbi; + tp->get_settings = rtl8169_gset_tbi; + tp->phy_reset_enable = rtl8169_tbi_reset_enable; + tp->phy_reset_pending = rtl8169_tbi_reset_pending; + tp->link_ok = rtl8169_tbi_link_ok; + tp->do_ioctl = rtl_tbi_ioctl; + + tp->phy_1000_ctrl_reg = ADVERTISE_1000FULL; /* Implied by TBI */ + } else { + tp->set_speed = rtl8169_set_speed_xmii; + tp->get_settings = rtl8169_gset_xmii; + tp->phy_reset_enable = rtl8169_xmii_reset_enable; + tp->phy_reset_pending = rtl8169_xmii_reset_pending; + tp->link_ok = rtl8169_xmii_link_ok; + tp->do_ioctl = rtl_xmii_ioctl; + } + + spin_lock_init(&tp->lock); + + tp->mmio_addr = ioaddr; + + /* Get MAC address */ + for (i = 0; i < MAC_ADDR_LEN; i++) + dev->dev_addr[i] = RTL_R8(MAC0 + i); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); + + SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops); + dev->watchdog_timeo = RTL8169_TX_TIMEOUT; + dev->irq = pdev->irq; + dev->base_addr = (unsigned long) ioaddr; + + netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT); + +#ifdef CONFIG_R8169_VLAN + dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; +#endif + + tp->intr_mask = 0xffff; + tp->align = cfg->align; + tp->hw_start = cfg->hw_start; + tp->intr_event = cfg->intr_event; + tp->napi_event = cfg->napi_event; + + init_timer(&tp->timer); + tp->timer.data = (unsigned long) dev; + tp->timer.function = rtl8169_phy_timer; + + rc = register_netdev(dev); + if (rc < 0) + goto err_out_msi_5; + + pci_set_drvdata(pdev, dev); + + if (netif_msg_probe(tp)) { + u32 xid = RTL_R32(TxConfig) & 0x9cf0f8ff; + + printk(KERN_INFO "%s: %s at 0x%lx, " + "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, " + "XID %08x IRQ %d\n", + dev->name, + rtl_chip_info[tp->chipset].name, + dev->base_addr, + dev->dev_addr[0], dev->dev_addr[1], + dev->dev_addr[2], dev->dev_addr[3], + dev->dev_addr[4], dev->dev_addr[5], xid, dev->irq); + } + + rtl8169_init_phy(dev, tp); + + /* + * Pretend we are using VLANs; This bypasses a nasty bug where + * Interrupts stop flowing on high load on 8110SCd controllers. + */ + if (tp->mac_version == RTL_GIGA_MAC_VER_05) + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | RxVlan); + + device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL); + +out: + return rc; + +err_out_msi_5: + rtl_disable_msi(pdev, tp); + iounmap(ioaddr); +err_out_free_res_4: + pci_release_regions(pdev); +err_out_mwi_3: + pci_clear_mwi(pdev); +err_out_disable_2: + pci_disable_device(pdev); +err_out_free_dev_1: + free_netdev(dev); + goto out; +} + +static void __devexit rtl8169_remove_one(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + + flush_scheduled_work(); + + unregister_netdev(dev); + + /* restore original MAC address */ + rtl_rar_set(tp, dev->perm_addr); + + rtl_disable_msi(pdev, tp); + rtl8169_release_board(pdev, dev, tp->mmio_addr); + pci_set_drvdata(pdev, NULL); +} + +static void rtl8169_set_rxbufsize(struct rtl8169_private *tp, + struct net_device *dev) +{ + unsigned int max_frame = dev->mtu + VLAN_ETH_HLEN + ETH_FCS_LEN; + + tp->rx_buf_sz = (max_frame > RX_BUF_SIZE) ? max_frame : RX_BUF_SIZE; +} + +static int rtl8169_open(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + int retval = -ENOMEM; + + + rtl8169_set_rxbufsize(tp, dev); + + /* + * Rx and Tx desscriptors needs 256 bytes alignment. + * pci_alloc_consistent provides more. + */ + tp->TxDescArray = pci_alloc_consistent(pdev, R8169_TX_RING_BYTES, + &tp->TxPhyAddr); + if (!tp->TxDescArray) + goto out; + + tp->RxDescArray = pci_alloc_consistent(pdev, R8169_RX_RING_BYTES, + &tp->RxPhyAddr); + if (!tp->RxDescArray) + goto err_free_tx_0; + + retval = rtl8169_init_ring(dev); + if (retval < 0) + goto err_free_rx_1; + + INIT_DELAYED_WORK(&tp->task, NULL); + + smp_mb(); + + retval = request_irq(dev->irq, rtl8169_interrupt, + (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED, + dev->name, dev); + if (retval < 0) + goto err_release_ring_2; + + napi_enable(&tp->napi); + + rtl_hw_start(dev); + + rtl8169_request_timer(dev); + + rtl8169_check_link_status(dev, tp, tp->mmio_addr); +out: + return retval; + +err_release_ring_2: + rtl8169_rx_clear(tp); +err_free_rx_1: + pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray, + tp->RxPhyAddr); +err_free_tx_0: + pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray, + tp->TxPhyAddr); + goto out; +} + +static void rtl8169_hw_reset(void __iomem *ioaddr) +{ + /* Disable interrupts */ + rtl8169_irq_mask_and_ack(ioaddr); + + /* Reset the chipset */ + RTL_W8(ChipCmd, CmdReset); + + /* PCI commit */ + RTL_R8(ChipCmd); +} + +static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + u32 cfg = rtl8169_rx_config; + + cfg |= (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask); + RTL_W32(RxConfig, cfg); + + /* Set DMA burst size and Interframe Gap Time */ + RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | + (InterFrameGap << TxInterFrameGapShift)); +} + +static void rtl_hw_start(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned int i; + + /* Soft reset the chip. */ + RTL_W8(ChipCmd, CmdReset); + + /* Check that the chip has finished the reset. */ + for (i = 0; i < 100; i++) { + if ((RTL_R8(ChipCmd) & CmdReset) == 0) + break; + msleep_interruptible(1); + } + + tp->hw_start(dev); + + netif_start_queue(dev); +} + + +static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp, + void __iomem *ioaddr) +{ + /* + * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh + * register to be written before TxDescAddrLow to work. + * Switching from MMIO to I/O access fixes the issue as well. + */ + RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32); + RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32)); + RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32); + RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32)); +} + +static u16 rtl_rw_cpluscmd(void __iomem *ioaddr) +{ + u16 cmd; + + cmd = RTL_R16(CPlusCmd); + RTL_W16(CPlusCmd, cmd); + return cmd; +} + +static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz) +{ + /* Low hurts. Let's disable the filtering. */ + RTL_W16(RxMaxSize, rx_buf_sz + 1); +} + +static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version) +{ + struct { + u32 mac_version; + u32 clk; + u32 val; + } cfg2_info [] = { + { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd + { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff }, + { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe + { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff } + }, *p = cfg2_info; + unsigned int i; + u32 clk; + + clk = RTL_R8(Config2) & PCI_Clock_66MHz; + for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) { + if ((p->mac_version == mac_version) && (p->clk == clk)) { + RTL_W32(0x7c, p->val); + break; + } + } +} + +static void rtl_hw_start_8169(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + struct pci_dev *pdev = tp->pci_dev; + + if (tp->mac_version == RTL_GIGA_MAC_VER_05) { + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW); + pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08); + } + + RTL_W8(Cfg9346, Cfg9346_Unlock); + if ((tp->mac_version == RTL_GIGA_MAC_VER_01) || + (tp->mac_version == RTL_GIGA_MAC_VER_02) || + (tp->mac_version == RTL_GIGA_MAC_VER_03) || + (tp->mac_version == RTL_GIGA_MAC_VER_04)) + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz); + + if ((tp->mac_version == RTL_GIGA_MAC_VER_01) || + (tp->mac_version == RTL_GIGA_MAC_VER_02) || + (tp->mac_version == RTL_GIGA_MAC_VER_03) || + (tp->mac_version == RTL_GIGA_MAC_VER_04)) + rtl_set_rx_tx_config_registers(tp); + + tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW; + + if ((tp->mac_version == RTL_GIGA_MAC_VER_02) || + (tp->mac_version == RTL_GIGA_MAC_VER_03)) { + dprintk("Set MAC Reg C+CR Offset 0xE0. " + "Bit-3 and bit-14 MUST be 1\n"); + tp->cp_cmd |= (1 << 14); + } + + RTL_W16(CPlusCmd, tp->cp_cmd); + + rtl8169_set_magic_reg(ioaddr, tp->mac_version); + + /* + * Undocumented corner. Supposedly: + * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets + */ + RTL_W16(IntrMitigate, 0x0000); + + rtl_set_rx_tx_desc_registers(tp, ioaddr); + + if ((tp->mac_version != RTL_GIGA_MAC_VER_01) && + (tp->mac_version != RTL_GIGA_MAC_VER_02) && + (tp->mac_version != RTL_GIGA_MAC_VER_03) && + (tp->mac_version != RTL_GIGA_MAC_VER_04)) { + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + rtl_set_rx_tx_config_registers(tp); + } + + RTL_W8(Cfg9346, Cfg9346_Lock); + + /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ + RTL_R8(IntrMask); + + RTL_W32(RxMissed, 0); + + rtl_set_rx_mode(dev); + + /* no early-rx interrupts */ + RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000); + + /* Enable all known interrupts by setting the interrupt mask. */ + RTL_W16(IntrMask, tp->intr_event); +} + +static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + int cap = tp->pcie_cap; + + if (cap) { + u16 ctl; + + pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl); + ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force; + pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl); + } +} + +static void rtl_csi_access_enable(void __iomem *ioaddr) +{ + u32 csi; + + csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff; + rtl_csi_write(ioaddr, 0x070c, csi | 0x27000000); +} + +struct ephy_info { + unsigned int offset; + u16 mask; + u16 bits; +}; + +static void rtl_ephy_init(void __iomem *ioaddr, struct ephy_info *e, int len) +{ + u16 w; + + while (len-- > 0) { + w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits; + rtl_ephy_write(ioaddr, e->offset, w); + e++; + } +} + +static void rtl_disable_clock_request(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + int cap = tp->pcie_cap; + + if (cap) { + u16 ctl; + + pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl); + ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN; + pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl); + } +} + +#define R8168_CPCMD_QUIRK_MASK (\ + EnableBist | \ + Mac_dbgo_oe | \ + Force_half_dup | \ + Force_rxflow_en | \ + Force_txflow_en | \ + Cxpl_dbg_sel | \ + ASF | \ + PktCntrDisable | \ + Mac_dbgo_sel) + +static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev) +{ + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); + + rtl_tx_performance_tweak(pdev, + (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN); +} + +static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_hw_start_8168bb(ioaddr, pdev); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0)); +} + +static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev) +{ + RTL_W8(Config1, RTL_R8(Config1) | Speed_down); + + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + rtl_disable_clock_request(pdev); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); +} + +static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev) +{ + static struct ephy_info e_info_8168cp[] = { + { 0x01, 0, 0x0001 }, + { 0x02, 0x0800, 0x1000 }, + { 0x03, 0, 0x0042 }, + { 0x06, 0x0080, 0x0000 }, + { 0x07, 0, 0x2000 } + }; + + rtl_csi_access_enable(ioaddr); + + rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp)); + + __rtl_hw_start_8168cp(ioaddr, pdev); +} + +static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); +} + +static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + /* Magic. */ + RTL_W8(DBG_REG, 0x20); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); +} + +static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev) +{ + static struct ephy_info e_info_8168c_1[] = { + { 0x02, 0x0800, 0x1000 }, + { 0x03, 0, 0x0002 }, + { 0x06, 0x0080, 0x0000 } + }; + + rtl_csi_access_enable(ioaddr); + + RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2); + + rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1)); + + __rtl_hw_start_8168cp(ioaddr, pdev); +} + +static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev) +{ + static struct ephy_info e_info_8168c_2[] = { + { 0x01, 0, 0x0001 }, + { 0x03, 0x0400, 0x0220 } + }; + + rtl_csi_access_enable(ioaddr); + + rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2)); + + __rtl_hw_start_8168cp(ioaddr, pdev); +} + +static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_hw_start_8168c_2(ioaddr, pdev); +} + +static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + __rtl_hw_start_8168cp(ioaddr, pdev); +} + +static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + rtl_disable_clock_request(pdev); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); +} + +static void rtl_hw_start_8168(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + struct pci_dev *pdev = tp->pci_dev; + + RTL_W8(Cfg9346, Cfg9346_Unlock); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz); + + tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1; + + RTL_W16(CPlusCmd, tp->cp_cmd); + + RTL_W16(IntrMitigate, 0x5151); + + /* Work around for RxFIFO overflow. */ + if (tp->mac_version == RTL_GIGA_MAC_VER_11) { + tp->intr_event |= RxFIFOOver | PCSTimeout; + tp->intr_event &= ~RxOverflow; + } + + rtl_set_rx_tx_desc_registers(tp, ioaddr); + + rtl_set_rx_mode(dev); + + RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | + (InterFrameGap << TxInterFrameGapShift)); + + RTL_R8(IntrMask); + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_11: + rtl_hw_start_8168bb(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_12: + case RTL_GIGA_MAC_VER_17: + rtl_hw_start_8168bef(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_18: + rtl_hw_start_8168cp_1(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_19: + rtl_hw_start_8168c_1(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_20: + rtl_hw_start_8168c_2(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_21: + rtl_hw_start_8168c_3(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_22: + rtl_hw_start_8168c_4(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_23: + rtl_hw_start_8168cp_2(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_24: + rtl_hw_start_8168cp_3(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_25: + case RTL_GIGA_MAC_VER_26: + case RTL_GIGA_MAC_VER_27: + rtl_hw_start_8168d(ioaddr, pdev); + break; + + default: + printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n", + dev->name, tp->mac_version); + break; + } + + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + + RTL_W8(Cfg9346, Cfg9346_Lock); + + RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000); + + RTL_W16(IntrMask, tp->intr_event); +} + +#define R810X_CPCMD_QUIRK_MASK (\ + EnableBist | \ + Mac_dbgo_oe | \ + Force_half_dup | \ + Force_rxflow_en | \ + Force_txflow_en | \ + Cxpl_dbg_sel | \ + ASF | \ + PktCntrDisable | \ + PCIDAC | \ + PCIMulRW) + +static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev) +{ + static struct ephy_info e_info_8102e_1[] = { + { 0x01, 0, 0x6e65 }, + { 0x02, 0, 0x091f }, + { 0x03, 0, 0xc2f9 }, + { 0x06, 0, 0xafb5 }, + { 0x07, 0, 0x0e00 }, + { 0x19, 0, 0xec80 }, + { 0x01, 0, 0x2e65 }, + { 0x01, 0, 0x6e65 } + }; + u8 cfg1; + + rtl_csi_access_enable(ioaddr); + + RTL_W8(DBG_REG, FIX_NAK_1); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W8(Config1, + LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable); + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + cfg1 = RTL_R8(Config1); + if ((cfg1 & LEDS0) && (cfg1 & LEDS1)) + RTL_W8(Config1, cfg1 & ~LEDS0); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK); + + rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1)); +} + +static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable); + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK); +} + +static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_hw_start_8102e_2(ioaddr, pdev); + + rtl_ephy_write(ioaddr, 0x03, 0xc2f9); +} + +static void rtl_hw_start_8101(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + struct pci_dev *pdev = tp->pci_dev; + + if ((tp->mac_version == RTL_GIGA_MAC_VER_13) || + (tp->mac_version == RTL_GIGA_MAC_VER_16)) { + int cap = tp->pcie_cap; + + if (cap) { + pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, + PCI_EXP_DEVCTL_NOSNOOP_EN); + } + } + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_07: + rtl_hw_start_8102e_1(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_08: + rtl_hw_start_8102e_3(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_09: + rtl_hw_start_8102e_2(ioaddr, pdev); + break; + } + + RTL_W8(Cfg9346, Cfg9346_Unlock); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + rtl_set_rx_max_size(ioaddr, tp->rx_buf_sz); + + tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW; + + RTL_W16(CPlusCmd, tp->cp_cmd); + + RTL_W16(IntrMitigate, 0x0000); + + rtl_set_rx_tx_desc_registers(tp, ioaddr); + + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + rtl_set_rx_tx_config_registers(tp); + + RTL_W8(Cfg9346, Cfg9346_Lock); + + RTL_R8(IntrMask); + + rtl_set_rx_mode(dev); + + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + + RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000); + + RTL_W16(IntrMask, tp->intr_event); +} + +static int rtl8169_change_mtu(struct net_device *dev, int new_mtu) +{ + struct rtl8169_private *tp = netdev_priv(dev); + int ret = 0; + + if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu) + return -EINVAL; + + dev->mtu = new_mtu; + + if (!netif_running(dev)) + goto out; + + rtl8169_down(dev); + + rtl8169_set_rxbufsize(tp, dev); + + ret = rtl8169_init_ring(dev); + if (ret < 0) + goto out; + + napi_enable(&tp->napi); + + rtl_hw_start(dev); + + rtl8169_request_timer(dev); + +out: + return ret; +} + +static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc) +{ + desc->addr = cpu_to_le64(0x0badbadbadbadbadull); + desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask); +} + +static void rtl8169_free_rx_skb(struct rtl8169_private *tp, + struct sk_buff **sk_buff, struct RxDesc *desc) +{ + struct pci_dev *pdev = tp->pci_dev; + + pci_unmap_single(pdev, le64_to_cpu(desc->addr), tp->rx_buf_sz, + PCI_DMA_FROMDEVICE); + dev_kfree_skb(*sk_buff); + *sk_buff = NULL; + rtl8169_make_unusable_by_asic(desc); +} + +static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz) +{ + u32 eor = le32_to_cpu(desc->opts1) & RingEnd; + + desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz); +} + +static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping, + u32 rx_buf_sz) +{ + desc->addr = cpu_to_le64(mapping); + wmb(); + rtl8169_mark_to_asic(desc, rx_buf_sz); +} + +static struct sk_buff *rtl8169_alloc_rx_skb(struct pci_dev *pdev, + struct net_device *dev, + struct RxDesc *desc, int rx_buf_sz, + unsigned int align) +{ + struct sk_buff *skb; + dma_addr_t mapping; + unsigned int pad; + + pad = align ? align : NET_IP_ALIGN; + + skb = netdev_alloc_skb(dev, rx_buf_sz + pad); + if (!skb) + goto err_out; + + skb_reserve(skb, align ? ((pad - 1) & (unsigned long)skb->data) : pad); + + mapping = pci_map_single(pdev, skb->data, rx_buf_sz, + PCI_DMA_FROMDEVICE); + + rtl8169_map_to_asic(desc, mapping, rx_buf_sz); +out: + return skb; + +err_out: + rtl8169_make_unusable_by_asic(desc); + goto out; +} + +static void rtl8169_rx_clear(struct rtl8169_private *tp) +{ + unsigned int i; + + for (i = 0; i < NUM_RX_DESC; i++) { + if (tp->Rx_skbuff[i]) { + rtl8169_free_rx_skb(tp, tp->Rx_skbuff + i, + tp->RxDescArray + i); + } + } +} + +static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev, + u32 start, u32 end) +{ + u32 cur; + + for (cur = start; end - cur != 0; cur++) { + struct sk_buff *skb; + unsigned int i = cur % NUM_RX_DESC; + + WARN_ON((s32)(end - cur) < 0); + + if (tp->Rx_skbuff[i]) + continue; + + skb = rtl8169_alloc_rx_skb(tp->pci_dev, dev, + tp->RxDescArray + i, + tp->rx_buf_sz, tp->align); + if (!skb) + break; + + tp->Rx_skbuff[i] = skb; + } + return cur - start; +} + +static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc) +{ + desc->opts1 |= cpu_to_le32(RingEnd); +} + +static void rtl8169_init_ring_indexes(struct rtl8169_private *tp) +{ + tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0; +} + +static int rtl8169_init_ring(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + rtl8169_init_ring_indexes(tp); + + memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info)); + memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *)); + + if (rtl8169_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC) + goto err_out; + + rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1); + + return 0; + +err_out: + rtl8169_rx_clear(tp); + return -ENOMEM; +} + +static void rtl8169_unmap_tx_skb(struct pci_dev *pdev, struct ring_info *tx_skb, + struct TxDesc *desc) +{ + unsigned int len = tx_skb->len; + + pci_unmap_single(pdev, le64_to_cpu(desc->addr), len, PCI_DMA_TODEVICE); + desc->opts1 = 0x00; + desc->opts2 = 0x00; + desc->addr = 0x00; + tx_skb->len = 0; +} + +static void rtl8169_tx_clear(struct rtl8169_private *tp) +{ + unsigned int i; + + for (i = tp->dirty_tx; i < tp->dirty_tx + NUM_TX_DESC; i++) { + unsigned int entry = i % NUM_TX_DESC; + struct ring_info *tx_skb = tp->tx_skb + entry; + unsigned int len = tx_skb->len; + + if (len) { + struct sk_buff *skb = tx_skb->skb; + + rtl8169_unmap_tx_skb(tp->pci_dev, tx_skb, + tp->TxDescArray + entry); + if (skb) { + dev_kfree_skb(skb); + tx_skb->skb = NULL; + } + tp->dev->stats.tx_dropped++; + } + } + tp->cur_tx = tp->dirty_tx = 0; +} + +static void rtl8169_schedule_work(struct net_device *dev, work_func_t task) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + PREPARE_DELAYED_WORK(&tp->task, task); + schedule_delayed_work(&tp->task, 4); +} + +static void rtl8169_wait_for_quiescence(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + synchronize_irq(dev->irq); + + /* Wait for any pending NAPI task to complete */ + napi_disable(&tp->napi); + + rtl8169_irq_mask_and_ack(ioaddr); + + tp->intr_mask = 0xffff; + RTL_W16(IntrMask, tp->intr_event); + napi_enable(&tp->napi); +} + +static void rtl8169_reinit_task(struct work_struct *work) +{ + struct rtl8169_private *tp = + container_of(work, struct rtl8169_private, task.work); + struct net_device *dev = tp->dev; + int ret; + + rtnl_lock(); + + if (!netif_running(dev)) + goto out_unlock; + + rtl8169_wait_for_quiescence(dev); + rtl8169_close(dev); + + ret = rtl8169_open(dev); + if (unlikely(ret < 0)) { + if (net_ratelimit() && netif_msg_drv(tp)) { + printk(KERN_ERR PFX "%s: reinit failure (status = %d)." + " Rescheduling.\n", dev->name, ret); + } + rtl8169_schedule_work(dev, rtl8169_reinit_task); + } + +out_unlock: + rtnl_unlock(); +} + +static void rtl8169_reset_task(struct work_struct *work) +{ + struct rtl8169_private *tp = + container_of(work, struct rtl8169_private, task.work); + struct net_device *dev = tp->dev; + + rtnl_lock(); + + if (!netif_running(dev)) + goto out_unlock; + + rtl8169_wait_for_quiescence(dev); + + rtl8169_rx_interrupt(dev, tp, tp->mmio_addr, ~(u32)0); + rtl8169_tx_clear(tp); + + if (tp->dirty_rx == tp->cur_rx) { + rtl8169_init_ring_indexes(tp); + rtl_hw_start(dev); + netif_wake_queue(dev); + rtl8169_check_link_status(dev, tp, tp->mmio_addr); + } else { + if (net_ratelimit() && netif_msg_intr(tp)) { + printk(KERN_EMERG PFX "%s: Rx buffers shortage\n", + dev->name); + } + rtl8169_schedule_work(dev, rtl8169_reset_task); + } + +out_unlock: + rtnl_unlock(); +} + +static void rtl8169_tx_timeout(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + rtl8169_hw_reset(tp->mmio_addr); + + /* Let's wait a bit while any (async) irq lands on */ + rtl8169_schedule_work(dev, rtl8169_reset_task); +} + +static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb, + u32 opts1) +{ + struct skb_shared_info *info = skb_shinfo(skb); + unsigned int cur_frag, entry; + struct TxDesc * uninitialized_var(txd); + + entry = tp->cur_tx; + for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) { + skb_frag_t *frag = info->frags + cur_frag; + dma_addr_t mapping; + u32 status, len; + void *addr; + + entry = (entry + 1) % NUM_TX_DESC; + + txd = tp->TxDescArray + entry; + len = frag->size; + addr = ((void *) page_address(frag->page)) + frag->page_offset; + mapping = pci_map_single(tp->pci_dev, addr, len, PCI_DMA_TODEVICE); + + /* anti gcc 2.95.3 bugware (sic) */ + status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC)); + + txd->opts1 = cpu_to_le32(status); + txd->addr = cpu_to_le64(mapping); + + tp->tx_skb[entry].len = len; + } + + if (cur_frag) { + tp->tx_skb[entry].skb = skb; + txd->opts1 |= cpu_to_le32(LastFrag); + } + + return cur_frag; +} + +static inline u32 rtl8169_tso_csum(struct sk_buff *skb, struct net_device *dev) +{ + if (dev->features & NETIF_F_TSO) { + u32 mss = skb_shinfo(skb)->gso_size; + + if (mss) + return LargeSend | ((mss & MSSMask) << MSSShift); + } + if (skb->ip_summed == CHECKSUM_PARTIAL) { + const struct iphdr *ip = ip_hdr(skb); + + if (ip->protocol == IPPROTO_TCP) + return IPCS | TCPCS; + else if (ip->protocol == IPPROTO_UDP) + return IPCS | UDPCS; + WARN_ON(1); /* we need a WARN() */ + } + return 0; +} + +static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, + struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + unsigned int frags, entry = tp->cur_tx % NUM_TX_DESC; + struct TxDesc *txd = tp->TxDescArray + entry; + void __iomem *ioaddr = tp->mmio_addr; + dma_addr_t mapping; + u32 status, len; + u32 opts1; + + if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) { + if (netif_msg_drv(tp)) { + printk(KERN_ERR + "%s: BUG! Tx Ring full when queue awake!\n", + dev->name); + } + goto err_stop; + } + + if (unlikely(le32_to_cpu(txd->opts1) & DescOwn)) + goto err_stop; + + opts1 = DescOwn | rtl8169_tso_csum(skb, dev); + + frags = rtl8169_xmit_frags(tp, skb, opts1); + if (frags) { + len = skb_headlen(skb); + opts1 |= FirstFrag; + } else { + len = skb->len; + opts1 |= FirstFrag | LastFrag; + tp->tx_skb[entry].skb = skb; + } + + mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE); + + tp->tx_skb[entry].len = len; + txd->addr = cpu_to_le64(mapping); + txd->opts2 = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb)); + + wmb(); + + /* anti gcc 2.95.3 bugware (sic) */ + status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC)); + txd->opts1 = cpu_to_le32(status); + + tp->cur_tx += frags + 1; + + smp_wmb(); + + RTL_W8(TxPoll, NPQ); /* set polling bit */ + + if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) { + netif_stop_queue(dev); + smp_rmb(); + if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS) + netif_wake_queue(dev); + } + + return NETDEV_TX_OK; + +err_stop: + netif_stop_queue(dev); + dev->stats.tx_dropped++; + return NETDEV_TX_BUSY; +} + +static void rtl8169_pcierr_interrupt(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + void __iomem *ioaddr = tp->mmio_addr; + u16 pci_status, pci_cmd; + + pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); + pci_read_config_word(pdev, PCI_STATUS, &pci_status); + + if (netif_msg_intr(tp)) { + printk(KERN_ERR + "%s: PCI error (cmd = 0x%04x, status = 0x%04x).\n", + dev->name, pci_cmd, pci_status); + } + + /* + * The recovery sequence below admits a very elaborated explanation: + * - it seems to work; + * - I did not see what else could be done; + * - it makes iop3xx happy. + * + * Feel free to adjust to your needs. + */ + if (pdev->broken_parity_status) + pci_cmd &= ~PCI_COMMAND_PARITY; + else + pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY; + + pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); + + pci_write_config_word(pdev, PCI_STATUS, + pci_status & (PCI_STATUS_DETECTED_PARITY | + PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT | + PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT)); + + /* The infamous DAC f*ckup only happens at boot time */ + if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) { + if (netif_msg_intr(tp)) + printk(KERN_INFO "%s: disabling PCI DAC.\n", dev->name); + tp->cp_cmd &= ~PCIDAC; + RTL_W16(CPlusCmd, tp->cp_cmd); + dev->features &= ~NETIF_F_HIGHDMA; + } + + rtl8169_hw_reset(ioaddr); + + rtl8169_schedule_work(dev, rtl8169_reinit_task); +} + +static void rtl8169_tx_interrupt(struct net_device *dev, + struct rtl8169_private *tp, + void __iomem *ioaddr) +{ + unsigned int dirty_tx, tx_left; + + dirty_tx = tp->dirty_tx; + smp_rmb(); + tx_left = tp->cur_tx - dirty_tx; + + while (tx_left > 0) { + unsigned int entry = dirty_tx % NUM_TX_DESC; + struct ring_info *tx_skb = tp->tx_skb + entry; + u32 len = tx_skb->len; + u32 status; + + rmb(); + status = le32_to_cpu(tp->TxDescArray[entry].opts1); + if (status & DescOwn) + break; + + dev->stats.tx_bytes += len; + dev->stats.tx_packets++; + + rtl8169_unmap_tx_skb(tp->pci_dev, tx_skb, tp->TxDescArray + entry); + + if (status & LastFrag) { + dev_kfree_skb(tx_skb->skb); + tx_skb->skb = NULL; + } + dirty_tx++; + tx_left--; + } + + if (tp->dirty_tx != dirty_tx) { + tp->dirty_tx = dirty_tx; + smp_wmb(); + if (netif_queue_stopped(dev) && + (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) { + netif_wake_queue(dev); + } + /* + * 8168 hack: TxPoll requests are lost when the Tx packets are + * too close. Let's kick an extra TxPoll request when a burst + * of start_xmit activity is detected (if it is not detected, + * it is slow enough). -- FR + */ + smp_rmb(); + if (tp->cur_tx != dirty_tx) + RTL_W8(TxPoll, NPQ); + } +} + +static inline int rtl8169_fragmented_frame(u32 status) +{ + return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag); +} + +static inline void rtl8169_rx_csum(struct sk_buff *skb, struct RxDesc *desc) +{ + u32 opts1 = le32_to_cpu(desc->opts1); + u32 status = opts1 & RxProtoMask; + + if (((status == RxProtoTCP) && !(opts1 & TCPFail)) || + ((status == RxProtoUDP) && !(opts1 & UDPFail)) || + ((status == RxProtoIP) && !(opts1 & IPFail))) + skb->ip_summed = CHECKSUM_UNNECESSARY; + else + skb->ip_summed = CHECKSUM_NONE; +} + +static inline bool rtl8169_try_rx_copy(struct sk_buff **sk_buff, + struct rtl8169_private *tp, int pkt_size, + dma_addr_t addr) +{ + struct sk_buff *skb; + bool done = false; + + if (pkt_size >= rx_copybreak) + goto out; + + skb = netdev_alloc_skb(tp->dev, pkt_size + NET_IP_ALIGN); + if (!skb) + goto out; + + pci_dma_sync_single_for_cpu(tp->pci_dev, addr, pkt_size, + PCI_DMA_FROMDEVICE); + skb_reserve(skb, NET_IP_ALIGN); + skb_copy_from_linear_data(*sk_buff, skb->data, pkt_size); + *sk_buff = skb; + done = true; +out: + return done; +} + +static int rtl8169_rx_interrupt(struct net_device *dev, + struct rtl8169_private *tp, + void __iomem *ioaddr, u32 budget) +{ + unsigned int cur_rx, rx_left; + unsigned int delta, count; + + cur_rx = tp->cur_rx; + rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx; + rx_left = min(rx_left, budget); + + for (; rx_left > 0; rx_left--, cur_rx++) { + unsigned int entry = cur_rx % NUM_RX_DESC; + struct RxDesc *desc = tp->RxDescArray + entry; + u32 status; + + rmb(); + status = le32_to_cpu(desc->opts1); + + if (status & DescOwn) + break; + if (unlikely(status & RxRES)) { + if (netif_msg_rx_err(tp)) { + printk(KERN_INFO + "%s: Rx ERROR. status = %08x\n", + dev->name, status); + } + dev->stats.rx_errors++; + if (status & (RxRWT | RxRUNT)) + dev->stats.rx_length_errors++; + if (status & RxCRC) + dev->stats.rx_crc_errors++; + if (status & RxFOVF) { + rtl8169_schedule_work(dev, rtl8169_reset_task); + dev->stats.rx_fifo_errors++; + } + rtl8169_mark_to_asic(desc, tp->rx_buf_sz); + } else { + struct sk_buff *skb = tp->Rx_skbuff[entry]; + dma_addr_t addr = le64_to_cpu(desc->addr); + int pkt_size = (status & 0x00001FFF) - 4; + struct pci_dev *pdev = tp->pci_dev; + + /* + * The driver does not support incoming fragmented + * frames. They are seen as a symptom of over-mtu + * sized frames. + */ + if (unlikely(rtl8169_fragmented_frame(status))) { + dev->stats.rx_dropped++; + dev->stats.rx_length_errors++; + rtl8169_mark_to_asic(desc, tp->rx_buf_sz); + continue; + } + + rtl8169_rx_csum(skb, desc); + + if (rtl8169_try_rx_copy(&skb, tp, pkt_size, addr)) { + pci_dma_sync_single_for_device(pdev, addr, + pkt_size, PCI_DMA_FROMDEVICE); + rtl8169_mark_to_asic(desc, tp->rx_buf_sz); + } else { + pci_unmap_single(pdev, addr, tp->rx_buf_sz, + PCI_DMA_FROMDEVICE); + tp->Rx_skbuff[entry] = NULL; + } + + skb_put(skb, pkt_size); + skb->protocol = eth_type_trans(skb, dev); + + if (rtl8169_rx_vlan_skb(tp, desc, skb) < 0) + netif_receive_skb(skb); + + dev->stats.rx_bytes += pkt_size; + dev->stats.rx_packets++; + } + + /* Work around for AMD plateform. */ + if ((desc->opts2 & cpu_to_le32(0xfffe000)) && + (tp->mac_version == RTL_GIGA_MAC_VER_05)) { + desc->opts2 = 0; + cur_rx++; + } + } + + count = cur_rx - tp->cur_rx; + tp->cur_rx = cur_rx; + + delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx); + if (!delta && count && netif_msg_intr(tp)) + printk(KERN_INFO "%s: no Rx buffer allocated\n", dev->name); + tp->dirty_rx += delta; + + /* + * FIXME: until there is periodic timer to try and refill the ring, + * a temporary shortage may definitely kill the Rx process. + * - disable the asic to try and avoid an overflow and kick it again + * after refill ? + * - how do others driver handle this condition (Uh oh...). + */ + if ((tp->dirty_rx + NUM_RX_DESC == tp->cur_rx) && netif_msg_intr(tp)) + printk(KERN_EMERG "%s: Rx buffers exhausted\n", dev->name); + + return count; +} + +static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) +{ + struct net_device *dev = dev_instance; + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + int handled = 0; + int status; + + /* loop handling interrupts until we have no new ones or + * we hit a invalid/hotplug case. + */ + status = RTL_R16(IntrStatus); + while (status && status != 0xffff) { + handled = 1; + + /* Handle all of the error cases first. These will reset + * the chip, so just exit the loop. + */ + if (unlikely(!netif_running(dev))) { + rtl8169_asic_down(ioaddr); + break; + } + + /* Work around for rx fifo overflow */ + if (unlikely(status & RxFIFOOver) && + (tp->mac_version == RTL_GIGA_MAC_VER_11)) { + netif_stop_queue(dev); + rtl8169_tx_timeout(dev); + break; + } + + if (unlikely(status & SYSErr)) { + rtl8169_pcierr_interrupt(dev); + break; + } + + if (status & LinkChg) + rtl8169_check_link_status(dev, tp, ioaddr); + + /* We need to see the lastest version of tp->intr_mask to + * avoid ignoring an MSI interrupt and having to wait for + * another event which may never come. + */ + smp_rmb(); + if (status & tp->intr_mask & tp->napi_event) { + RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event); + tp->intr_mask = ~tp->napi_event; + + if (likely(napi_schedule_prep(&tp->napi))) + __napi_schedule(&tp->napi); + else if (netif_msg_intr(tp)) { + printk(KERN_INFO "%s: interrupt %04x in poll\n", + dev->name, status); + } + } + + /* We only get a new MSI interrupt when all active irq + * sources on the chip have been acknowledged. So, ack + * everything we've seen and check if new sources have become + * active to avoid blocking all interrupts from the chip. + */ + RTL_W16(IntrStatus, + (status & RxFIFOOver) ? (status | RxOverflow) : status); + status = RTL_R16(IntrStatus); + } + + return IRQ_RETVAL(handled); +} + +static int rtl8169_poll(struct napi_struct *napi, int budget) +{ + struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi); + struct net_device *dev = tp->dev; + void __iomem *ioaddr = tp->mmio_addr; + int work_done; + + work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget); + rtl8169_tx_interrupt(dev, tp, ioaddr); + + if (work_done < budget) { + napi_complete(napi); + + /* We need for force the visibility of tp->intr_mask + * for other CPUs, as we can loose an MSI interrupt + * and potentially wait for a retransmit timeout if we don't. + * The posted write to IntrMask is safe, as it will + * eventually make it to the chip and we won't loose anything + * until it does. + */ + tp->intr_mask = 0xffff; + smp_wmb(); + RTL_W16(IntrMask, tp->intr_event); + } + + return work_done; +} + +static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + if (tp->mac_version > RTL_GIGA_MAC_VER_06) + return; + + dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff); + RTL_W32(RxMissed, 0); +} + +static void rtl8169_down(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned int intrmask; + + rtl8169_delete_timer(dev); + + netif_stop_queue(dev); + + napi_disable(&tp->napi); + +core_down: + spin_lock_irq(&tp->lock); + + rtl8169_asic_down(ioaddr); + + rtl8169_rx_missed(dev, ioaddr); + + spin_unlock_irq(&tp->lock); + + synchronize_irq(dev->irq); + + /* Give a racing hard_start_xmit a few cycles to complete. */ + synchronize_sched(); /* FIXME: should this be synchronize_irq()? */ + + /* + * And now for the 50k$ question: are IRQ disabled or not ? + * + * Two paths lead here: + * 1) dev->close + * -> netif_running() is available to sync the current code and the + * IRQ handler. See rtl8169_interrupt for details. + * 2) dev->change_mtu + * -> rtl8169_poll can not be issued again and re-enable the + * interruptions. Let's simply issue the IRQ down sequence again. + * + * No loop if hotpluged or major error (0xffff). + */ + intrmask = RTL_R16(IntrMask); + if (intrmask && (intrmask != 0xffff)) + goto core_down; + + rtl8169_tx_clear(tp); + + rtl8169_rx_clear(tp); +} + +static int rtl8169_close(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + struct pci_dev *pdev = tp->pci_dev; + + /* update counters before going down */ + rtl8169_update_counters(dev); + + rtl8169_down(dev); + + free_irq(dev->irq, dev); + + pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray, + tp->RxPhyAddr); + pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray, + tp->TxPhyAddr); + tp->TxDescArray = NULL; + tp->RxDescArray = NULL; + + return 0; +} + +static void rtl_set_rx_mode(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + u32 mc_filter[2]; /* Multicast hash filter */ + int rx_mode; + u32 tmp = 0; + + if (dev->flags & IFF_PROMISC) { + /* Unconditionally log net taps. */ + if (netif_msg_link(tp)) { + printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n", + dev->name); + } + rx_mode = + AcceptBroadcast | AcceptMulticast | AcceptMyPhys | + AcceptAllPhys; + mc_filter[1] = mc_filter[0] = 0xffffffff; + } else if ((dev->mc_count > multicast_filter_limit) + || (dev->flags & IFF_ALLMULTI)) { + /* Too many to filter perfectly -- accept all multicasts. */ + rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys; + mc_filter[1] = mc_filter[0] = 0xffffffff; + } else { + struct dev_mc_list *mclist; + unsigned int i; + + rx_mode = AcceptBroadcast | AcceptMyPhys; + mc_filter[1] = mc_filter[0] = 0; + for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; + i++, mclist = mclist->next) { + int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26; + mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); + rx_mode |= AcceptMulticast; + } + } + + spin_lock_irqsave(&tp->lock, flags); + + tmp = rtl8169_rx_config | rx_mode | + (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask); + + if (tp->mac_version > RTL_GIGA_MAC_VER_06) { + u32 data = mc_filter[0]; + + mc_filter[0] = swab32(mc_filter[1]); + mc_filter[1] = swab32(data); + } + + RTL_W32(MAR0 + 0, mc_filter[0]); + RTL_W32(MAR0 + 4, mc_filter[1]); + + RTL_W32(RxConfig, tmp); + + spin_unlock_irqrestore(&tp->lock, flags); +} + +/** + * rtl8169_get_stats - Get rtl8169 read/write statistics + * @dev: The Ethernet Device to get statistics for + * + * Get TX/RX statistics for rtl8169 + */ +static struct net_device_stats *rtl8169_get_stats(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + unsigned long flags; + + if (netif_running(dev)) { + spin_lock_irqsave(&tp->lock, flags); + rtl8169_rx_missed(dev, ioaddr); + spin_unlock_irqrestore(&tp->lock, flags); + } + + return &dev->stats; +} + +static void rtl8169_net_suspend(struct net_device *dev) +{ + if (!netif_running(dev)) + return; + + netif_device_detach(dev); + netif_stop_queue(dev); +} + +#ifdef CONFIG_PM + +static int rtl8169_suspend(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + struct net_device *dev = pci_get_drvdata(pdev); + + rtl8169_net_suspend(dev); + + return 0; +} + +static int rtl8169_resume(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + struct net_device *dev = pci_get_drvdata(pdev); + + if (!netif_running(dev)) + goto out; + + netif_device_attach(dev); + + rtl8169_schedule_work(dev, rtl8169_reset_task); +out: + return 0; +} + +static struct dev_pm_ops rtl8169_pm_ops = { + .suspend = rtl8169_suspend, + .resume = rtl8169_resume, + .freeze = rtl8169_suspend, + .thaw = rtl8169_resume, + .poweroff = rtl8169_suspend, + .restore = rtl8169_resume, +}; + +#define RTL8169_PM_OPS (&rtl8169_pm_ops) + +#else /* !CONFIG_PM */ + +#define RTL8169_PM_OPS NULL + +#endif /* !CONFIG_PM */ + +static void rtl_shutdown(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + rtl8169_net_suspend(dev); + + /* restore original MAC address */ + rtl_rar_set(tp, dev->perm_addr); + + spin_lock_irq(&tp->lock); + + rtl8169_asic_down(ioaddr); + + spin_unlock_irq(&tp->lock); + + if (system_state == SYSTEM_POWER_OFF) { + /* WoL fails with some 8168 when the receiver is disabled. */ + if (tp->features & RTL_FEATURE_WOL) { + pci_clear_master(pdev); + + RTL_W8(ChipCmd, CmdRxEnb); + /* PCI commit */ + RTL_R8(ChipCmd); + } + + pci_wake_from_d3(pdev, true); + pci_set_power_state(pdev, PCI_D3hot); + } +} + +static struct pci_driver rtl8169_pci_driver = { + .name = MODULENAME, + .id_table = rtl8169_pci_tbl, + .probe = rtl8169_init_one, + .remove = __devexit_p(rtl8169_remove_one), + .shutdown = rtl_shutdown, + .driver.pm = RTL8169_PM_OPS, +}; + +static int __init rtl8169_init_module(void) +{ + return pci_register_driver(&rtl8169_pci_driver); +} + +static void __exit rtl8169_cleanup_module(void) +{ + pci_unregister_driver(&rtl8169_pci_driver); +} + +module_init(rtl8169_init_module); +module_exit(rtl8169_cleanup_module); diff -r 87de63b19e4c -r 04fdb4abf120 examples/dc_user/Makefile.am --- a/examples/dc_user/Makefile.am Tue Dec 14 21:58:53 2010 +0100 +++ b/examples/dc_user/Makefile.am Mon Dec 20 17:52:37 2010 +0100 @@ -33,6 +33,6 @@ ec_dc_user_example_SOURCES = main.c ec_dc_user_example_CFLAGS = -I$(top_srcdir)/include -ec_dc_user_example_LDFLAGS = -L$(top_builddir)/lib/.libs -lethercat +ec_dc_user_example_LDFLAGS = -L$(top_builddir)/lib/.libs -lethercat -lrt #------------------------------------------------------------------------------ diff -r 87de63b19e4c -r 04fdb4abf120 examples/dc_user/main.c --- a/examples/dc_user/main.c Tue Dec 14 21:58:53 2010 +0100 +++ b/examples/dc_user/main.c Mon Dec 20 17:52:37 2010 +0100 @@ -35,6 +35,9 @@ #include #include #include +#include +#include +#include /****************************************************************************/ @@ -43,12 +46,20 @@ /****************************************************************************/ // Application parameters -#define FREQUENCY 100 -#define PRIORITY 1 - -// Optional features -#define CONFIGURE_PDOS 1 - +#define FREQUENCY 1000 +#define CLOCK_TO_USE CLOCK_REALTIME +#define MEASURE_TIMING + +/****************************************************************************/ + +#define NSEC_PER_SEC (1000000000L) +#define PERIOD_NS (NSEC_PER_SEC / FREQUENCY) + +#define DIFF_NS(A, B) (((B).tv_sec - (A).tv_sec) * NSEC_PER_SEC + \ + (B).tv_nsec - (A).tv_nsec) + +#define TIMESPEC2NS(T) ((uint64_t) (T).tv_sec * NSEC_PER_SEC + (T).tv_nsec) + /****************************************************************************/ // EtherCAT @@ -58,10 +69,6 @@ static ec_domain_t *domain1 = NULL; static ec_domain_state_t domain1_state = {}; -// Timer -static unsigned int sig_alarms = 0; -static unsigned int user_alarms = 0; - /****************************************************************************/ // process data @@ -81,10 +88,26 @@ static int off_counter_out; static unsigned int counter = 0; -static unsigned int blink_counter = 0; static unsigned int blink = 0; static unsigned int sync_ref_counter = 0; -struct timeval app_time; +const struct timespec cycletime = {0, PERIOD_NS}; + +/*****************************************************************************/ + +struct timespec timespec_add(struct timespec time1, struct timespec time2) +{ + struct timespec result; + + if ((time1.tv_nsec + time2.tv_nsec) >= NSEC_PER_SEC) { + result.tv_sec = time1.tv_sec + time2.tv_sec + 1; + result.tv_nsec = time1.tv_nsec + time2.tv_nsec - NSEC_PER_SEC; + } else { + result.tv_sec = time1.tv_sec + time2.tv_sec; + result.tv_nsec = time1.tv_nsec + time2.tv_nsec; + } + + return result; +} /*****************************************************************************/ @@ -110,7 +133,7 @@ ecrt_master_state(master, &ms); - if (ms.slaves_responding != master_state.slaves_responding) + if (ms.slaves_responding != master_state.slaves_responding) printf("%u slave(s).\n", ms.slaves_responding); if (ms.al_states != master_state.al_states) printf("AL states: 0x%02X.\n", ms.al_states); @@ -124,68 +147,108 @@ void cyclic_task() { - int i; - - // receive process data - ecrt_master_receive(master); - ecrt_domain_process(domain1); - - // check process data state (optional) - check_domain1_state(); - - if (counter) { - counter--; - } else { // do this at 1 Hz - counter = FREQUENCY; - - // calculate new process data - blink = !blink; - - // check for master state (optional) - check_master_state(); - } - - if (blink_counter) { - blink_counter--; - } else { - blink_counter = 9; - - // calculate new process data - blink = !blink; - } - - // write process data - EC_WRITE_U8(domain1_pd + off_dig_out, blink ? 0x66 : 0x99); - EC_WRITE_U8(domain1_pd + off_counter_out, blink ? 0x00 : 0x02); - - app_time.tv_usec += 1000000 / FREQUENCY; - if (app_time.tv_usec >= 1000000) { - app_time.tv_usec -= 1000000; - app_time.tv_sec++; - } - ecrt_master_application_time(master, EC_TIMEVAL2NANO(app_time)); - - if (sync_ref_counter) { - sync_ref_counter--; - } else { - sync_ref_counter = 9; - ecrt_master_sync_reference_clock(master); - } - ecrt_master_sync_slave_clocks(master); - - // send process data - ecrt_domain_queue(domain1); - ecrt_master_send(master); -} - -/****************************************************************************/ - -void signal_handler(int signum) { - switch (signum) { - case SIGALRM: - sig_alarms++; - break; - } + struct timespec wakeupTime, time; +#ifdef MEASURE_TIMING + struct timespec startTime, endTime, lastStartTime = {}; + uint32_t period_ns = 0, exec_ns = 0, latency_ns = 0, + latency_min_ns = 0, latency_max_ns = 0, + period_min_ns = 0, period_max_ns = 0, + exec_min_ns = 0, exec_max_ns = 0; +#endif + + // get current time + clock_gettime(CLOCK_TO_USE, &wakeupTime); + + while(1) { + wakeupTime = timespec_add(wakeupTime, cycletime); + clock_nanosleep(CLOCK_TO_USE, TIMER_ABSTIME, &wakeupTime, NULL); + +#ifdef MEASURE_TIMING + clock_gettime(CLOCK_TO_USE, &startTime); + latency_ns = DIFF_NS(wakeupTime, startTime); + period_ns = DIFF_NS(lastStartTime, startTime); + exec_ns = DIFF_NS(lastStartTime, endTime); + lastStartTime = startTime; + + if (latency_ns > latency_max_ns) { + latency_max_ns = latency_ns; + } + if (latency_ns < latency_min_ns) { + latency_min_ns = latency_ns; + } + if (period_ns > period_max_ns) { + period_max_ns = period_ns; + } + if (period_ns < period_min_ns) { + period_min_ns = period_ns; + } + if (exec_ns > exec_max_ns) { + exec_max_ns = exec_ns; + } + if (exec_ns < exec_min_ns) { + exec_min_ns = exec_ns; + } +#endif + + // receive process data + ecrt_master_receive(master); + ecrt_domain_process(domain1); + + // check process data state (optional) + check_domain1_state(); + + if (counter) { + counter--; + } else { // do this at 1 Hz + counter = FREQUENCY; + + // check for master state (optional) + check_master_state(); + +#ifdef MEASURE_TIMING + // output timing stats + printf("period %10u ... %10u\n", + period_min_ns, period_max_ns); + printf("exec %10u ... %10u\n", + exec_min_ns, exec_max_ns); + printf("latency %10u ... %10u\n", + latency_min_ns, latency_max_ns); + period_max_ns = 0; + period_min_ns = 0xffffffff; + exec_max_ns = 0; + exec_min_ns = 0xffffffff; + latency_max_ns = 0; + latency_min_ns = 0xffffffff; +#endif + + // calculate new process data + blink = !blink; + } + + // write process data + EC_WRITE_U8(domain1_pd + off_dig_out, blink ? 0x66 : 0x99); + EC_WRITE_U8(domain1_pd + off_counter_out, blink ? 0x00 : 0x02); + + // write application time to master + clock_gettime(CLOCK_TO_USE, &time); + ecrt_master_application_time(master, TIMESPEC2NS(time)); + + if (sync_ref_counter) { + sync_ref_counter--; + } else { + sync_ref_counter = 1; // sync every cycle + ecrt_master_sync_reference_clock(master); + } + ecrt_master_sync_slave_clocks(master); + + // send process data + ecrt_domain_queue(domain1); + ecrt_master_send(master); + +#ifdef MEASURE_TIMING + clock_gettime(CLOCK_TO_USE, &endTime); +#endif + } } /****************************************************************************/ @@ -193,8 +256,11 @@ int main(int argc, char **argv) { ec_slave_config_t *sc; - struct sigaction sa; - struct itimerval tv; + + if (mlockall(MCL_CURRENT | MCL_FUTURE) == -1) { + perror("mlockall failed"); + return -1; + } master = ecrt_request_master(0); if (!master) @@ -237,7 +303,7 @@ return -1; // configure SYNC signals for this slave - ecrt_slave_config_dc(sc, 0x0700, 10000000, 4400000, 0, 0); + ecrt_slave_config_dc(sc, 0x0700, PERIOD_NS, 4400000, 0, 0); printf("Activating master...\n"); if (ecrt_master_activate(master)) @@ -247,50 +313,15 @@ return -1; } -#if PRIORITY pid_t pid = getpid(); if (setpriority(PRIO_PROCESS, pid, -19)) fprintf(stderr, "Warning: Failed to set priority: %s\n", strerror(errno)); -#endif - - sa.sa_handler = signal_handler; - sigemptyset(&sa.sa_mask); - sa.sa_flags = 0; - if (sigaction(SIGALRM, &sa, 0)) { - fprintf(stderr, "Failed to install signal handler!\n"); - return -1; - } - - printf("Starting timer...\n"); - tv.it_interval.tv_sec = 0; - tv.it_interval.tv_usec = 1000000 / FREQUENCY; - tv.it_value.tv_sec = 0; - tv.it_value.tv_usec = 1000; - if (setitimer(ITIMER_REAL, &tv, NULL)) { - fprintf(stderr, "Failed to start timer: %s\n", strerror(errno)); - return 1; - } - - gettimeofday(&app_time, NULL); - - printf("Started.\n"); - while (1) { - pause(); - -#if 0 - struct timeval t; - gettimeofday(&t, NULL); - printf("%u.%06u\n", t.tv_sec, t.tv_usec); -#endif - - while (sig_alarms != user_alarms) { - cyclic_task(); - user_alarms++; - } - } - - return 0; -} - -/****************************************************************************/ + + printf("Starting cyclic function.\n"); + cyclic_task(); + + return 0; +} + +/****************************************************************************/ diff -r 87de63b19e4c -r 04fdb4abf120 examples/mini/mini.c --- a/examples/mini/mini.c Tue Dec 14 21:58:53 2010 +0100 +++ b/examples/mini/mini.c Mon Dec 20 17:52:37 2010 +0100 @@ -33,6 +33,10 @@ #include #include +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34) +#include +#endif + #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) #include #else diff -r 87de63b19e4c -r 04fdb4abf120 examples/tty/serial.c --- a/examples/tty/serial.c Tue Dec 14 21:58:53 2010 +0100 +++ b/examples/tty/serial.c Mon Dec 20 17:52:37 2010 +0100 @@ -30,6 +30,7 @@ #include #include #include +#include #include "../../include/ecrt.h" // EtherCAT realtime interface #include "../../include/ectty.h" // EtherCAT TTY interface diff -r 87de63b19e4c -r 04fdb4abf120 include/ecrt.h --- a/include/ecrt.h Tue Dec 14 21:58:53 2010 +0100 +++ b/include/ecrt.h Mon Dec 20 17:52:37 2010 +0100 @@ -78,6 +78,7 @@ * - Added ecrt_slave_config_idn() method for storing SoE IDN configurations, * and ecrt_master_read_idn() and ecrt_master_write_idn() to read/write IDNs * ad-hoc via the user-space library. + * - Added ecrt_master_reset() to initiate retrying to configure slaves. * * @{ */ @@ -859,6 +860,17 @@ ec_master_t *master /**< EtherCAT master. */ ); +/** Retry configuring slaves. + * + * Via this method, the application can tell the master to bring all slaves to + * OP state. In general, this is not necessary, because it is automatically + * done by the master. But with special slaves, that can be reconfigured by + * the vendor during runtime, it can be useful. + */ +void ecrt_master_reset( + ec_master_t *master /**< EtherCAT master. */ + ); + /****************************************************************************** * Slave configuration methods *****************************************************************************/ diff -r 87de63b19e4c -r 04fdb4abf120 lib/Makefile.am --- a/lib/Makefile.am Tue Dec 14 21:58:53 2010 +0100 +++ b/lib/Makefile.am Mon Dec 20 17:52:37 2010 +0100 @@ -35,7 +35,7 @@ #------------------------------------------------------------------------------ libethercat_la_LDFLAGS = -version-info 1:0:0 -libethercat_la_CFLAGS = -I$(srcdir)/.. +libethercat_la_CFLAGS = -I$(srcdir)/.. -fno-strict-aliasing libethercat_la_SOURCES = \ common.c \ domain.c \ diff -r 87de63b19e4c -r 04fdb4abf120 lib/common.c --- a/lib/common.c Tue Dec 14 21:58:53 2010 +0100 +++ b/lib/common.c Mon Dec 20 17:52:37 2010 +0100 @@ -37,6 +37,8 @@ #include #include #include +#include +#include #include "master.h" #include "master/ioctl.h" diff -r 87de63b19e4c -r 04fdb4abf120 lib/master.c --- a/lib/master.c Tue Dec 14 21:58:53 2010 +0100 +++ b/lib/master.c Mon Dec 20 17:52:37 2010 +0100 @@ -49,6 +49,7 @@ strerror(errno)); return -1; } + return 0; } /*****************************************************************************/ @@ -571,3 +572,12 @@ } /*****************************************************************************/ + +void ecrt_master_reset(ec_master_t *master) +{ + if (ioctl(master->fd, EC_IOCTL_RESET, NULL) == -1) { + fprintf(stderr, "Failed to reset master: %s\n", strerror(errno)); + } +} + +/*****************************************************************************/ diff -r 87de63b19e4c -r 04fdb4abf120 master/cdev.c --- a/master/cdev.c Tue Dec 14 21:58:53 2010 +0100 +++ b/master/cdev.c Mon Dec 20 17:52:37 2010 +0100 @@ -1349,6 +1349,7 @@ data.watchdog_divider = sc->watchdog_divider; data.watchdog_intervals = sc->watchdog_intervals; data.sdo_count = ec_slave_config_sdo_count(sc); + data.idn_count = ec_slave_config_idn_count(sc); data.slave_position = sc->slave ? sc->slave->ring_position : -1; data.dc_assign_activate = sc->dc_assign_activate; for (i = 0; i < EC_SYNC_SIGNAL_COUNT; i++) { @@ -1531,6 +1532,56 @@ /*****************************************************************************/ +/** Get slave configuration IDN information. + */ +int ec_cdev_ioctl_config_idn( + ec_master_t *master, /**< EtherCAT master. */ + unsigned long arg /**< ioctl() argument. */ + ) +{ + ec_ioctl_config_idn_t data; + const ec_slave_config_t *sc; + const ec_soe_request_t *req; + + if (copy_from_user(&data, (void __user *) arg, sizeof(data))) { + return -EFAULT; + } + + if (down_interruptible(&master->master_sem)) + return -EINTR; + + if (!(sc = ec_master_get_config_const( + master, data.config_index))) { + up(&master->master_sem); + EC_MASTER_ERR(master, "Slave config %u does not exist!\n", + data.config_index); + return -EINVAL; + } + + if (!(req = ec_slave_config_get_idn_by_pos_const( + sc, data.idn_pos))) { + up(&master->master_sem); + EC_MASTER_ERR(master, "Invalid IDN position!\n"); + return -EINVAL; + } + + data.drive_no = req->drive_no; + data.idn = req->idn; + data.state = req->state; + data.size = req->data_size; + memcpy(&data.data, req->data, + min((u32) data.size, (u32) EC_MAX_IDN_DATA_SIZE)); + + up(&master->master_sem); + + if (copy_to_user((void __user *) arg, &data, sizeof(data))) + return -EFAULT; + + return 0; +} + +/*****************************************************************************/ + #ifdef EC_EOE /** Get EoE handler information. @@ -1941,6 +1992,25 @@ /*****************************************************************************/ +/** Reset configuration. + */ +int ec_cdev_ioctl_reset( + ec_master_t *master, /**< EtherCAT master. */ + unsigned long arg, /**< ioctl() argument. */ + ec_cdev_priv_t *priv /**< Private data structure of file handle. */ + ) +{ + if (unlikely(!priv->requested)) + return -EPERM; + + down(&master->master_sem); + ecrt_master_reset(master); + up(&master->master_sem); + return 0; +} + +/*****************************************************************************/ + /** Configure a sync manager. */ int ec_cdev_ioctl_sc_sync( @@ -3398,7 +3468,7 @@ data = kmalloc(ioctl.data_size, GFP_KERNEL); if (!data) { - EC_MASTER_ERR(master, "Failed to allocate %u bytes of IDN data.\n", + EC_MASTER_ERR(master, "Failed to allocate %zu bytes of IDN data.\n", ioctl.data_size); return -ENOMEM; } @@ -3564,6 +3634,8 @@ return ec_cdev_ioctl_config_pdo_entry(master, arg); case EC_IOCTL_CONFIG_SDO: return ec_cdev_ioctl_config_sdo(master, arg); + case EC_IOCTL_CONFIG_IDN: + return ec_cdev_ioctl_config_idn(master, arg); #ifdef EC_EOE case EC_IOCTL_EOE_HANDLER: return ec_cdev_ioctl_eoe_handler(master, arg); @@ -3618,6 +3690,10 @@ if (!(filp->f_mode & FMODE_WRITE)) return -EPERM; return ec_cdev_ioctl_sync_mon_process(master, arg, priv); + case EC_IOCTL_RESET: + if (!(filp->f_mode & FMODE_WRITE)) + return -EPERM; + return ec_cdev_ioctl_reset(master, arg, priv); case EC_IOCTL_SC_SYNC: if (!(filp->f_mode & FMODE_WRITE)) return -EPERM; diff -r 87de63b19e4c -r 04fdb4abf120 master/ethernet.h --- a/master/ethernet.h Tue Dec 14 21:58:53 2010 +0100 +++ b/master/ethernet.h Mon Dec 20 17:52:37 2010 +0100 @@ -39,6 +39,7 @@ #include #include +#include #include "globals.h" #include "slave.h" diff -r 87de63b19e4c -r 04fdb4abf120 master/foe_request.c --- a/master/foe_request.c Tue Dec 14 21:58:53 2010 +0100 +++ b/master/foe_request.c Mon Dec 20 17:52:37 2010 +0100 @@ -35,6 +35,7 @@ #include #include +#include #include "foe_request.h" #include "foe.h" diff -r 87de63b19e4c -r 04fdb4abf120 master/fsm_change.c --- a/master/fsm_change.c Tue Dec 14 21:58:53 2010 +0100 +++ b/master/fsm_change.c Mon Dec 20 17:52:37 2010 +0100 @@ -42,7 +42,7 @@ /** Timeout while waiting for AL state change [s]. */ -#define EC_AL_STATE_CHANGE_TIMEOUT 2 +#define EC_AL_STATE_CHANGE_TIMEOUT 5 /*****************************************************************************/ diff -r 87de63b19e4c -r 04fdb4abf120 master/fsm_sii.c --- a/master/fsm_sii.c Tue Dec 14 21:58:53 2010 +0100 +++ b/master/fsm_sii.c Mon Dec 20 17:52:37 2010 +0100 @@ -184,7 +184,8 @@ EC_WRITE_U16(datagram->data + 2, fsm->word_offset); #ifdef SII_DEBUG - EC_SLAVE_DBG(slave, 0, "reading SII data:\n"); + EC_SLAVE_DBG(fsm->slave, 0, "reading SII data, word %u:\n", + fsm->word_offset); ec_print_data(datagram->data, 4); #endif diff -r 87de63b19e4c -r 04fdb4abf120 master/fsm_slave_scan.c --- a/master/fsm_slave_scan.c Tue Dec 14 21:58:53 2010 +0100 +++ b/master/fsm_slave_scan.c Mon Dec 20 17:52:37 2010 +0100 @@ -505,8 +505,10 @@ fsm->slave->error_flag = 1; fsm->state = ec_fsm_slave_scan_state_error; EC_SLAVE_ERR(slave, "Failed to determine SII content size:" - " Reading word offset 0x%04x failed.\n", fsm->sii_offset); - return; + " Reading word offset 0x%04x failed. Assuming %u words.\n", + fsm->sii_offset, EC_FIRST_SII_CATEGORY_OFFSET); + slave->sii_nwords = EC_FIRST_SII_CATEGORY_OFFSET; + goto alloc_sii; } cat_type = EC_READ_U16(fsm->fsm_sii.value); diff -r 87de63b19e4c -r 04fdb4abf120 master/ioctl.h --- a/master/ioctl.h Tue Dec 14 21:58:53 2010 +0100 +++ b/master/ioctl.h Mon Dec 20 17:52:37 2010 +0100 @@ -56,7 +56,7 @@ * * Increment this when changing the ioctl interface! */ -#define EC_IOCTL_VERSION_MAGIC 8 +#define EC_IOCTL_VERSION_MAGIC 11 // Command-line tool #define EC_IOCTL_MODULE EC_IOR(0x00, ec_ioctl_module_t) @@ -87,54 +87,56 @@ #define EC_IOCTL_CONFIG_PDO EC_IOWR(0x19, ec_ioctl_config_pdo_t) #define EC_IOCTL_CONFIG_PDO_ENTRY EC_IOWR(0x1a, ec_ioctl_config_pdo_entry_t) #define EC_IOCTL_CONFIG_SDO EC_IOWR(0x1b, ec_ioctl_config_sdo_t) +#define EC_IOCTL_CONFIG_IDN EC_IOWR(0x1c, ec_ioctl_config_idn_t) #ifdef EC_EOE -#define EC_IOCTL_EOE_HANDLER EC_IOWR(0x1c, ec_ioctl_eoe_handler_t) +#define EC_IOCTL_EOE_HANDLER EC_IOWR(0x1d, ec_ioctl_eoe_handler_t) #endif // Application interface -#define EC_IOCTL_REQUEST EC_IO(0x1d) -#define EC_IOCTL_CREATE_DOMAIN EC_IO(0x1e) -#define EC_IOCTL_CREATE_SLAVE_CONFIG EC_IOWR(0x1f, ec_ioctl_config_t) -#define EC_IOCTL_ACTIVATE EC_IOR(0x20, size_t) -#define EC_IOCTL_DEACTIVATE EC_IO(0x21) -#define EC_IOCTL_SEND EC_IO(0x22) -#define EC_IOCTL_RECEIVE EC_IO(0x23) -#define EC_IOCTL_MASTER_STATE EC_IOR(0x24, ec_master_state_t) -#define EC_IOCTL_APP_TIME EC_IOW(0x25, ec_ioctl_app_time_t) -#define EC_IOCTL_SYNC_REF EC_IO(0x26) -#define EC_IOCTL_SYNC_SLAVES EC_IO(0x27) -#define EC_IOCTL_SYNC_MON_QUEUE EC_IO(0x28) -#define EC_IOCTL_SYNC_MON_PROCESS EC_IOR(0x29, uint32_t) -#define EC_IOCTL_SC_SYNC EC_IOW(0x2a, ec_ioctl_config_t) -#define EC_IOCTL_SC_WATCHDOG EC_IOW(0x2b, ec_ioctl_config_t) -#define EC_IOCTL_SC_ADD_PDO EC_IOW(0x2c, ec_ioctl_config_pdo_t) -#define EC_IOCTL_SC_CLEAR_PDOS EC_IOW(0x2d, ec_ioctl_config_pdo_t) -#define EC_IOCTL_SC_ADD_ENTRY EC_IOW(0x2e, ec_ioctl_add_pdo_entry_t) -#define EC_IOCTL_SC_CLEAR_ENTRIES EC_IOW(0x2f, ec_ioctl_config_pdo_t) -#define EC_IOCTL_SC_REG_PDO_ENTRY EC_IOWR(0x20, ec_ioctl_reg_pdo_entry_t) -#define EC_IOCTL_SC_DC EC_IOW(0x31, ec_ioctl_config_t) -#define EC_IOCTL_SC_SDO EC_IOW(0x32, ec_ioctl_sc_sdo_t) -#define EC_IOCTL_SC_SDO_REQUEST EC_IOWR(0x33, ec_ioctl_sdo_request_t) -#define EC_IOCTL_SC_VOE EC_IOWR(0x34, ec_ioctl_voe_t) -#define EC_IOCTL_SC_STATE EC_IOWR(0x35, ec_ioctl_sc_state_t) -#define EC_IOCTL_SC_IDN EC_IOW(0x36, ec_ioctl_sc_idn_t) -#define EC_IOCTL_DOMAIN_OFFSET EC_IO(0x37) -#define EC_IOCTL_DOMAIN_PROCESS EC_IO(0x38) -#define EC_IOCTL_DOMAIN_QUEUE EC_IO(0x39) -#define EC_IOCTL_DOMAIN_STATE EC_IOWR(0x3a, ec_ioctl_domain_state_t) -#define EC_IOCTL_SDO_REQUEST_TIMEOUT EC_IOWR(0x3b, ec_ioctl_sdo_request_t) -#define EC_IOCTL_SDO_REQUEST_STATE EC_IOWR(0x3c, ec_ioctl_sdo_request_t) -#define EC_IOCTL_SDO_REQUEST_READ EC_IOWR(0x3d, ec_ioctl_sdo_request_t) -#define EC_IOCTL_SDO_REQUEST_WRITE EC_IOWR(0x3e, ec_ioctl_sdo_request_t) -#define EC_IOCTL_SDO_REQUEST_DATA EC_IOWR(0x3f, ec_ioctl_sdo_request_t) -#define EC_IOCTL_VOE_SEND_HEADER EC_IOW(0x40, ec_ioctl_voe_t) -#define EC_IOCTL_VOE_REC_HEADER EC_IOWR(0x41, ec_ioctl_voe_t) -#define EC_IOCTL_VOE_READ EC_IOW(0x42, ec_ioctl_voe_t) -#define EC_IOCTL_VOE_READ_NOSYNC EC_IOW(0x43, ec_ioctl_voe_t) -#define EC_IOCTL_VOE_WRITE EC_IOWR(0x44, ec_ioctl_voe_t) -#define EC_IOCTL_VOE_EXEC EC_IOWR(0x45, ec_ioctl_voe_t) -#define EC_IOCTL_VOE_DATA EC_IOWR(0x46, ec_ioctl_voe_t) -#define EC_IOCTL_SET_SEND_INTERVAL EC_IOW(0x47, size_t) +#define EC_IOCTL_REQUEST EC_IO(0x1e) +#define EC_IOCTL_CREATE_DOMAIN EC_IO(0x1f) +#define EC_IOCTL_CREATE_SLAVE_CONFIG EC_IOWR(0x20, ec_ioctl_config_t) +#define EC_IOCTL_ACTIVATE EC_IOR(0x21, size_t) +#define EC_IOCTL_DEACTIVATE EC_IO(0x22) +#define EC_IOCTL_SEND EC_IO(0x23) +#define EC_IOCTL_RECEIVE EC_IO(0x24) +#define EC_IOCTL_MASTER_STATE EC_IOR(0x25, ec_master_state_t) +#define EC_IOCTL_APP_TIME EC_IOW(0x26, ec_ioctl_app_time_t) +#define EC_IOCTL_SYNC_REF EC_IO(0x27) +#define EC_IOCTL_SYNC_SLAVES EC_IO(0x28) +#define EC_IOCTL_SYNC_MON_QUEUE EC_IO(0x29) +#define EC_IOCTL_SYNC_MON_PROCESS EC_IOR(0x2a, uint32_t) +#define EC_IOCTL_RESET EC_IO(0x2b) +#define EC_IOCTL_SC_SYNC EC_IOW(0x2c, ec_ioctl_config_t) +#define EC_IOCTL_SC_WATCHDOG EC_IOW(0x2d, ec_ioctl_config_t) +#define EC_IOCTL_SC_ADD_PDO EC_IOW(0x2e, ec_ioctl_config_pdo_t) +#define EC_IOCTL_SC_CLEAR_PDOS EC_IOW(0x2f, ec_ioctl_config_pdo_t) +#define EC_IOCTL_SC_ADD_ENTRY EC_IOW(0x30, ec_ioctl_add_pdo_entry_t) +#define EC_IOCTL_SC_CLEAR_ENTRIES EC_IOW(0x31, ec_ioctl_config_pdo_t) +#define EC_IOCTL_SC_REG_PDO_ENTRY EC_IOWR(0x32, ec_ioctl_reg_pdo_entry_t) +#define EC_IOCTL_SC_DC EC_IOW(0x33, ec_ioctl_config_t) +#define EC_IOCTL_SC_SDO EC_IOW(0x34, ec_ioctl_sc_sdo_t) +#define EC_IOCTL_SC_SDO_REQUEST EC_IOWR(0x35, ec_ioctl_sdo_request_t) +#define EC_IOCTL_SC_VOE EC_IOWR(0x36, ec_ioctl_voe_t) +#define EC_IOCTL_SC_STATE EC_IOWR(0x37, ec_ioctl_sc_state_t) +#define EC_IOCTL_SC_IDN EC_IOW(0x38, ec_ioctl_sc_idn_t) +#define EC_IOCTL_DOMAIN_OFFSET EC_IO(0x39) +#define EC_IOCTL_DOMAIN_PROCESS EC_IO(0x3a) +#define EC_IOCTL_DOMAIN_QUEUE EC_IO(0x3b) +#define EC_IOCTL_DOMAIN_STATE EC_IOWR(0x3c, ec_ioctl_domain_state_t) +#define EC_IOCTL_SDO_REQUEST_TIMEOUT EC_IOWR(0x3d, ec_ioctl_sdo_request_t) +#define EC_IOCTL_SDO_REQUEST_STATE EC_IOWR(0x3e, ec_ioctl_sdo_request_t) +#define EC_IOCTL_SDO_REQUEST_READ EC_IOWR(0x3f, ec_ioctl_sdo_request_t) +#define EC_IOCTL_SDO_REQUEST_WRITE EC_IOWR(0x40, ec_ioctl_sdo_request_t) +#define EC_IOCTL_SDO_REQUEST_DATA EC_IOWR(0x41, ec_ioctl_sdo_request_t) +#define EC_IOCTL_VOE_SEND_HEADER EC_IOW(0x42, ec_ioctl_voe_t) +#define EC_IOCTL_VOE_REC_HEADER EC_IOWR(0x43, ec_ioctl_voe_t) +#define EC_IOCTL_VOE_READ EC_IOW(0x44, ec_ioctl_voe_t) +#define EC_IOCTL_VOE_READ_NOSYNC EC_IOW(0x45, ec_ioctl_voe_t) +#define EC_IOCTL_VOE_WRITE EC_IOWR(0x46, ec_ioctl_voe_t) +#define EC_IOCTL_VOE_EXEC EC_IOWR(0x47, ec_ioctl_voe_t) +#define EC_IOCTL_VOE_DATA EC_IOWR(0x48, ec_ioctl_voe_t) +#define EC_IOCTL_SET_SEND_INTERVAL EC_IOW(0x49, size_t) /*****************************************************************************/ @@ -420,7 +422,7 @@ uint8_t *data; // outputs - uint32_t data_size; + size_t data_size; uint16_t error_code; } ec_ioctl_slave_soe_read_t; @@ -431,7 +433,7 @@ uint16_t slave_position; uint8_t drive_no; uint16_t idn; - uint32_t data_size; + size_t data_size; uint8_t *data; // outputs @@ -458,6 +460,7 @@ uint16_t watchdog_divider; uint16_t watchdog_intervals; uint32_t sdo_count; + uint32_t idn_count; int32_t slave_position; uint16_t dc_assign_activate; ec_sync_signal_t dc_sync[EC_SYNC_SIGNAL_COUNT]; @@ -514,6 +517,26 @@ /*****************************************************************************/ +/** Maximum size for displayed IDN data. + * \todo Make this dynamic. + */ +#define EC_MAX_IDN_DATA_SIZE 1024 + +typedef struct { + // inputs + uint32_t config_index; + uint32_t idn_pos; + + // outputs + uint8_t drive_no; + uint16_t idn; + ec_al_state_t state; + size_t size; + uint8_t data[EC_MAX_IDN_DATA_SIZE]; +} ec_ioctl_config_idn_t; + +/*****************************************************************************/ + #ifdef EC_EOE typedef struct { diff -r 87de63b19e4c -r 04fdb4abf120 master/master.c --- a/master/master.c Tue Dec 14 21:58:53 2010 +0100 +++ b/master/master.c Mon Dec 20 17:52:37 2010 +0100 @@ -2501,6 +2501,19 @@ /*****************************************************************************/ +void ecrt_master_reset(ec_master_t *master) +{ + ec_slave_config_t *sc; + + list_for_each_entry(sc, &master->configs, list) { + if (sc->slave) { + ec_slave_request_state(sc->slave, EC_SLAVE_STATE_OP); + } + } +} + +/*****************************************************************************/ + /** \cond */ EXPORT_SYMBOL(ecrt_master_create_domain); @@ -2521,6 +2534,7 @@ EXPORT_SYMBOL(ecrt_master_sync_monitor_process); EXPORT_SYMBOL(ecrt_master_write_idn); EXPORT_SYMBOL(ecrt_master_read_idn); +EXPORT_SYMBOL(ecrt_master_reset); /** \endcond */ diff -r 87de63b19e4c -r 04fdb4abf120 master/sdo_request.c --- a/master/sdo_request.c Tue Dec 14 21:58:53 2010 +0100 +++ b/master/sdo_request.c Mon Dec 20 17:52:37 2010 +0100 @@ -35,6 +35,7 @@ #include #include +#include #include "sdo_request.h" diff -r 87de63b19e4c -r 04fdb4abf120 master/slave_config.c --- a/master/slave_config.c Tue Dec 14 21:58:53 2010 +0100 +++ b/master/slave_config.c Mon Dec 20 17:52:37 2010 +0100 @@ -371,6 +371,48 @@ /*****************************************************************************/ +/** Get the number of IDN configurations. + * + * \return Number of SDO configurations. + */ +unsigned int ec_slave_config_idn_count( + const ec_slave_config_t *sc /**< Slave configuration. */ + ) +{ + const ec_soe_request_t *req; + unsigned int count = 0; + + list_for_each_entry(req, &sc->soe_configs, list) { + count++; + } + + return count; +} + +/*****************************************************************************/ + +/** Finds an IDN configuration via its position in the list. + * + * Const version. + */ +const ec_soe_request_t *ec_slave_config_get_idn_by_pos_const( + const ec_slave_config_t *sc, /**< Slave configuration. */ + unsigned int pos /**< Position in the list. */ + ) +{ + const ec_soe_request_t *req; + + list_for_each_entry(req, &sc->soe_configs, list) { + if (pos--) + continue; + return req; + } + + return NULL; +} + +/*****************************************************************************/ + /** Finds a VoE handler via its position in the list. */ ec_sdo_request_t *ec_slave_config_find_sdo_request( @@ -951,7 +993,8 @@ __func__, sc, drive_no, idn, state, data, size); if (drive_no > 7) { - EC_CONFIG_ERR(sc, "Invalid drive number!\n"); + EC_CONFIG_ERR(sc, "Invalid drive number %u!\n", + (unsigned int) drive_no); return -EINVAL; } diff -r 87de63b19e4c -r 04fdb4abf120 master/slave_config.h --- a/master/slave_config.h Tue Dec 14 21:58:53 2010 +0100 +++ b/master/slave_config.h Mon Dec 20 17:52:37 2010 +0100 @@ -160,6 +160,9 @@ unsigned int ec_slave_config_sdo_count(const ec_slave_config_t *); const ec_sdo_request_t *ec_slave_config_get_sdo_by_pos_const( const ec_slave_config_t *, unsigned int); +unsigned int ec_slave_config_idn_count(const ec_slave_config_t *); +const ec_soe_request_t *ec_slave_config_get_idn_by_pos_const( + const ec_slave_config_t *, unsigned int); ec_sdo_request_t *ec_slave_config_find_sdo_request(ec_slave_config_t *, unsigned int); ec_voe_handler_t *ec_slave_config_find_voe_handler(ec_slave_config_t *, diff -r 87de63b19e4c -r 04fdb4abf120 master/soe_request.c --- a/master/soe_request.c Tue Dec 14 21:58:53 2010 +0100 +++ b/master/soe_request.c Mon Dec 20 17:52:37 2010 +0100 @@ -35,6 +35,7 @@ #include #include +#include #include "soe_request.h" diff -r 87de63b19e4c -r 04fdb4abf120 tool/Command.h --- a/tool/Command.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/Command.h Mon Dec 20 17:52:37 2010 +0100 @@ -116,7 +116,7 @@ bool matchesSubstr(const string &) const; bool matchesAbbrev(const string &) const; - virtual string helpString() const = 0; + virtual string helpString(const string &) const = 0; typedef vector StringVector; virtual void execute(const StringVector &) = 0; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandAlias.cpp --- a/tool/CommandAlias.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandAlias.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -45,11 +45,11 @@ /*****************************************************************************/ -string CommandAlias::helpString() const +string CommandAlias::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS] " << endl + str << binaryBaseName << " " << getName() << " [OPTIONS] " << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandAlias.h --- a/tool/CommandAlias.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandAlias.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandAlias(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandCStruct.cpp --- a/tool/CommandCStruct.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandCStruct.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -46,11 +46,11 @@ /*****************************************************************************/ -string CommandCStruct::helpString() const +string CommandCStruct::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS]" << endl + str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandCStruct.h --- a/tool/CommandCStruct.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandCStruct.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandCStruct(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandConfig.cpp --- a/tool/CommandConfig.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandConfig.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -47,11 +47,11 @@ /*****************************************************************************/ -string CommandConfig::helpString() const +string CommandConfig::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS]" << endl + str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl << endl << getBriefDescription() << endl << endl @@ -153,6 +153,7 @@ ec_ioctl_config_pdo_t pdo; ec_ioctl_config_pdo_entry_t entry; ec_ioctl_config_sdo_t sdo; + ec_ioctl_config_idn_t idn; string indent(doIndent ? " " : ""); for (configIter = configList.begin(); @@ -259,6 +260,34 @@ cout << indent << " None." << endl; } + cout << indent << "IDN configuration:" << endl; + if (configIter->idn_count) { + for (j = 0; j < configIter->idn_count; j++) { + m.getConfigIdn(&idn, configIter->config_index, j); + + cout << indent << " Drive " << (unsigned int) idn.drive_no + << ", " << outputIdn(idn.idn) + << ", " << dec << idn.size << " byte" << endl; + + cout << indent << " " << hex << setfill('0'); + for (i = 0; i < min((uint32_t) idn.size, + (uint32_t) EC_MAX_IDN_DATA_SIZE); i++) { + cout << setw(2) << (unsigned int) idn.data[i]; + if ((i + 1) % 16 == 0 && i < idn.size - 1) { + cout << endl << indent << " "; + } else { + cout << " "; + } + } + + cout << endl; + if (idn.size > EC_MAX_IDN_DATA_SIZE) { + cout << indent << " ..." << endl; + } + } + } else { + cout << indent << " None." << endl; + } if (configIter->dc_assign_activate) { int i; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandConfig.h --- a/tool/CommandConfig.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandConfig.h Mon Dec 20 17:52:37 2010 +0100 @@ -34,16 +34,18 @@ using namespace std; #include "Command.h" +#include "SoeCommand.h" /****************************************************************************/ class CommandConfig: - public Command + public Command, + public SoeCommand { public: CommandConfig(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandData.cpp --- a/tool/CommandData.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandData.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -44,11 +44,11 @@ /*****************************************************************************/ -string CommandData::helpString() const +string CommandData::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS]" << endl + str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandData.h --- a/tool/CommandData.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandData.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandData(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandDebug.cpp --- a/tool/CommandDebug.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandDebug.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -45,11 +45,11 @@ /*****************************************************************************/ -string CommandDebug::helpString() const +string CommandDebug::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " " << endl + str << binaryBaseName << " " << getName() << " " << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandDebug.h --- a/tool/CommandDebug.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandDebug.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandDebug(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); }; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandDomains.cpp --- a/tool/CommandDomains.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandDomains.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -43,11 +43,11 @@ /*****************************************************************************/ -string CommandDomains::helpString() const +string CommandDomains::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS]" << endl + str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandDomains.h --- a/tool/CommandDomains.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandDomains.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandDomains(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandDownload.cpp --- a/tool/CommandDownload.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandDownload.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -43,11 +43,12 @@ /*****************************************************************************/ -string CommandDownload::helpString() const +string CommandDownload::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS] " << endl + str << binaryBaseName << " " << getName() + << " [OPTIONS] " << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandDownload.h --- a/tool/CommandDownload.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandDownload.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandDownload(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandEoe.cpp --- a/tool/CommandEoe.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandEoe.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -45,11 +45,11 @@ /*****************************************************************************/ -string CommandEoe::helpString() const +string CommandEoe::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << endl + str << binaryBaseName << " " << getName() << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandEoe.h --- a/tool/CommandEoe.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandEoe.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandEoe(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); }; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandFoeRead.cpp --- a/tool/CommandFoeRead.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandFoeRead.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -46,11 +46,12 @@ /*****************************************************************************/ -string CommandFoeRead::helpString() const +string CommandFoeRead::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS] " << endl + str << binaryBaseName << " " << getName() + << " [OPTIONS] " << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandFoeRead.h --- a/tool/CommandFoeRead.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandFoeRead.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandFoeRead(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); }; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandFoeWrite.cpp --- a/tool/CommandFoeWrite.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandFoeWrite.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -48,11 +48,12 @@ /*****************************************************************************/ -string CommandFoeWrite::helpString() const +string CommandFoeWrite::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS] " << endl + str << binaryBaseName << " " << getName() + << " [OPTIONS] " << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandFoeWrite.h --- a/tool/CommandFoeWrite.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandFoeWrite.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandFoeWrite(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandGraph.cpp --- a/tool/CommandGraph.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandGraph.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -43,11 +43,11 @@ /*****************************************************************************/ -string CommandGraph::helpString() const +string CommandGraph::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS]" << endl + str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandGraph.h --- a/tool/CommandGraph.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandGraph.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandGraph(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); }; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandMaster.cpp --- a/tool/CommandMaster.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandMaster.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -45,11 +45,11 @@ /****************************************************************************/ -string CommandMaster::helpString() const +string CommandMaster::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS]" << endl + str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandMaster.h --- a/tool/CommandMaster.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandMaster.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandMaster(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); private: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandPdos.cpp --- a/tool/CommandPdos.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandPdos.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -43,11 +43,11 @@ /*****************************************************************************/ -string CommandPdos::helpString() const +string CommandPdos::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS]" << endl + str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandPdos.h --- a/tool/CommandPdos.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandPdos.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandPdos(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandRegRead.cpp --- a/tool/CommandRegRead.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandRegRead.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -43,11 +43,12 @@ /*****************************************************************************/ -string CommandRegRead::helpString() const +string CommandRegRead::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS] [LENGTH]" << endl + str << binaryBaseName << " " << getName() + << " [OPTIONS] [LENGTH]" << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandRegRead.h --- a/tool/CommandRegRead.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandRegRead.h Mon Dec 20 17:52:37 2010 +0100 @@ -42,7 +42,7 @@ public: CommandRegRead(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); }; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandRegWrite.cpp --- a/tool/CommandRegWrite.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandRegWrite.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -45,11 +45,12 @@ /*****************************************************************************/ -string CommandRegWrite::helpString() const +string CommandRegWrite::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS] " << endl + str << binaryBaseName << " " << getName() + << " [OPTIONS] " << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandRegWrite.h --- a/tool/CommandRegWrite.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandRegWrite.h Mon Dec 20 17:52:37 2010 +0100 @@ -42,7 +42,7 @@ public: CommandRegWrite(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); private: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandRescan.cpp --- a/tool/CommandRescan.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandRescan.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -45,11 +45,11 @@ /*****************************************************************************/ -string CommandRescan::helpString() const +string CommandRescan::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << endl + str << binaryBaseName << " " << getName() << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandRescan.h --- a/tool/CommandRescan.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandRescan.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandRescan(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); }; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandSdos.cpp --- a/tool/CommandSdos.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandSdos.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -43,11 +43,11 @@ /*****************************************************************************/ -string CommandSdos::helpString() const +string CommandSdos::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS]" << endl + str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandSdos.h --- a/tool/CommandSdos.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandSdos.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandSdos(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandSiiRead.cpp --- a/tool/CommandSiiRead.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandSiiRead.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -43,11 +43,11 @@ /*****************************************************************************/ -string CommandSiiRead::helpString() const +string CommandSiiRead::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS]" << endl + str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandSiiRead.h --- a/tool/CommandSiiRead.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandSiiRead.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandSiiRead(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandSiiWrite.cpp --- a/tool/CommandSiiWrite.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandSiiWrite.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -45,11 +45,12 @@ /*****************************************************************************/ -string CommandSiiWrite::helpString() const +string CommandSiiWrite::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS] " << endl + str << binaryBaseName << " " << getName() + << " [OPTIONS] " << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandSiiWrite.h --- a/tool/CommandSiiWrite.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandSiiWrite.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandSiiWrite(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandSlaves.cpp --- a/tool/CommandSlaves.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandSlaves.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -45,11 +45,11 @@ /*****************************************************************************/ -string CommandSlaves::helpString() const +string CommandSlaves::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS]" << endl + str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandSlaves.h --- a/tool/CommandSlaves.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandSlaves.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandSlaves(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandSoeRead.cpp --- a/tool/CommandSoeRead.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandSoeRead.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -28,6 +28,7 @@ ****************************************************************************/ #include +#include using namespace std; #include "CommandSoeRead.h" @@ -36,23 +37,28 @@ /*****************************************************************************/ CommandSoeRead::CommandSoeRead(): - SoeCommand("soe_read", "Read an SoE IDN from a slave.") + Command("soe_read", "Read an SoE IDN from a slave.") { } /*****************************************************************************/ -string CommandSoeRead::helpString() const +string CommandSoeRead::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS] " << endl + str << binaryBaseName << " " << getName() + << " [OPTIONS] " << endl + << binaryBaseName << " " << getName() + << " [OPTIONS] " << endl << endl << getBriefDescription() << endl << endl << "This command requires a single slave to be selected." << endl << endl << "Arguments:" << endl + << " DRIVE is the drive number (0 - 7). If omitted, 0 is assumed." + << endl << " IDN is the IDN and must be either an unsigned" << endl << " 16 bit number acc. to IEC 61800-7-204:" << endl << " Bit 15: (0) Standard data, (1) Product data" << endl @@ -84,18 +90,38 @@ stringstream err; const DataType *dataType = NULL; ec_ioctl_slave_soe_read_t ioctl; + int driveArgIndex = -1, idnArgIndex = -1; - if (args.size() != 1) { - err << "'" << getName() << "' takes one argument!"; + if (args.size() == 1) { + idnArgIndex = 0; + } else if (args.size() == 2) { + driveArgIndex = 0; + idnArgIndex = 1; + } else { + err << "'" << getName() << "' takes eiter 1 or 2 arguments!"; throwInvalidUsageException(err); } - ioctl.drive_no = 0; // FIXME + if (driveArgIndex >= 0) { + stringstream str; + unsigned int number; + str << args[driveArgIndex]; + str + >> resetiosflags(ios::basefield) // guess base from prefix + >> number; + if (str.fail() || number > 7) { + err << "Invalid drive number '" << args[driveArgIndex] << "'!"; + throwInvalidUsageException(err); + } + ioctl.drive_no = number; + } else { + ioctl.drive_no = 0; + } try { - ioctl.idn = parseIdn(args[0]); + ioctl.idn = parseIdn(args[idnArgIndex]); } catch (runtime_error &e) { - err << "Invalid IDN '" << args[0] << "': " << e.what(); + err << "Invalid IDN '" << args[idnArgIndex] << "': " << e.what(); throwInvalidUsageException(err); } diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandSoeRead.h --- a/tool/CommandSoeRead.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandSoeRead.h Mon Dec 20 17:52:37 2010 +0100 @@ -35,12 +35,14 @@ /****************************************************************************/ class CommandSoeRead: + public Command, + public DataTypeHandler, public SoeCommand { public: CommandSoeRead(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); }; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandSoeWrite.cpp --- a/tool/CommandSoeWrite.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandSoeWrite.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -28,6 +28,7 @@ ****************************************************************************/ #include +#include using namespace std; #include "CommandSoeWrite.h" @@ -36,23 +37,28 @@ /*****************************************************************************/ CommandSoeWrite::CommandSoeWrite(): - SoeCommand("soe_write", "Write an SoE IDN to a slave.") + Command("soe_write", "Write an SoE IDN to a slave.") { } /*****************************************************************************/ -string CommandSoeWrite::helpString() const +string CommandSoeWrite::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS] " << endl + str << binaryBaseName << " " << getName() + << " [OPTIONS] " << endl + << binaryBaseName << " " << getName() + << " [OPTIONS] " << endl << endl << getBriefDescription() << endl << endl << "This command requires a single slave to be selected." << endl << endl << "Arguments:" << endl + << " DRIVE is the drive number (0 - 7). If omitted, 0 is assumed." + << endl << " IDN is the IDN and must be either an unsigned" << endl << " 16 bit number acc. to IEC 61800-7-204:" << endl << " Bit 15: (0) Standard data, (1) Product data" << endl @@ -81,23 +87,45 @@ void CommandSoeWrite::execute(const StringVector &args) { - stringstream strIdn, err; + stringstream err; const DataType *dataType = NULL; ec_ioctl_slave_soe_write_t ioctl; SlaveList slaves; size_t memSize; + int driveArgIndex = -1, idnArgIndex = -1, valueArgIndex = -1; - if (args.size() != 2) { - err << "'" << getName() << "' takes 2 arguments!"; + if (args.size() == 2) { + idnArgIndex = 0; + valueArgIndex = 1; + } else if (args.size() == 3) { + driveArgIndex = 0; + idnArgIndex = 1; + valueArgIndex = 2; + } else { + err << "'" << getName() << "' takes eiter 2 or 3 arguments!"; throwInvalidUsageException(err); } - ioctl.drive_no = 0; // FIXME + if (driveArgIndex >= 0) { + stringstream str; + unsigned int number; + str << args[driveArgIndex]; + str + >> resetiosflags(ios::basefield) // guess base from prefix + >> number; + if (str.fail() || number > 7) { + err << "Invalid drive number '" << args[driveArgIndex] << "'!"; + throwInvalidUsageException(err); + } + ioctl.drive_no = number; + } else { + ioctl.drive_no = 0; + } try { - ioctl.idn = parseIdn(args[0]); + ioctl.idn = parseIdn(args[idnArgIndex]); } catch (runtime_error &e) { - err << "Invalid IDN '" << args[0] << "': " << e.what(); + err << "Invalid IDN '" << args[idnArgIndex] << "': " << e.what(); throwInvalidUsageException(err); } @@ -123,7 +151,7 @@ memSize = dataType->byteSize; } else { // guess string type size - memSize = args[1].size() + 1; + memSize = args[valueArgIndex].size() + 1; if (!memSize) { err << "Empty argument not allowed."; throwInvalidUsageException(err); @@ -134,13 +162,13 @@ try { ioctl.data_size = interpretAsType( - dataType, args[1], ioctl.data, memSize); + dataType, args[valueArgIndex], ioctl.data, memSize); } catch (SizeException &e) { delete [] ioctl.data; throwCommandException(e.what()); } catch (ios::failure &e) { delete [] ioctl.data; - err << "Invalid value argument '" << args[1] + err << "Invalid value argument '" << args[valueArgIndex] << "' for type '" << dataType->name << "'!"; throwInvalidUsageException(err); } diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandSoeWrite.h --- a/tool/CommandSoeWrite.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandSoeWrite.h Mon Dec 20 17:52:37 2010 +0100 @@ -35,12 +35,14 @@ /****************************************************************************/ class CommandSoeWrite: + public Command, + public DataTypeHandler, public SoeCommand { public: CommandSoeWrite(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); }; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandStates.cpp --- a/tool/CommandStates.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandStates.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -43,11 +43,11 @@ /*****************************************************************************/ -string CommandStates::helpString() const +string CommandStates::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS] " << endl + str << binaryBaseName << " " << getName() << " [OPTIONS] " << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandStates.h --- a/tool/CommandStates.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandStates.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandStates(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); }; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandUpload.cpp --- a/tool/CommandUpload.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandUpload.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -43,11 +43,12 @@ /*****************************************************************************/ -string CommandUpload::helpString() const +string CommandUpload::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS] " << endl + str << binaryBaseName << " " << getName() + << " [OPTIONS] " << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandUpload.h --- a/tool/CommandUpload.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandUpload.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandUpload(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandVersion.cpp --- a/tool/CommandVersion.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandVersion.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -41,11 +41,11 @@ /****************************************************************************/ -string CommandVersion::helpString() const +string CommandVersion::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS]" << endl + str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl << endl << getBriefDescription() << endl; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandVersion.h --- a/tool/CommandVersion.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandVersion.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandVersion(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); }; diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandXml.cpp --- a/tool/CommandXml.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandXml.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -44,11 +44,11 @@ /*****************************************************************************/ -string CommandXml::helpString() const +string CommandXml::helpString(const string &binaryBaseName) const { stringstream str; - str << getName() << " [OPTIONS]" << endl + str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl << endl << getBriefDescription() << endl << endl diff -r 87de63b19e4c -r 04fdb4abf120 tool/CommandXml.h --- a/tool/CommandXml.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/CommandXml.h Mon Dec 20 17:52:37 2010 +0100 @@ -40,7 +40,7 @@ public: CommandXml(); - string helpString() const; + string helpString(const string &) const; void execute(const StringVector &); protected: diff -r 87de63b19e4c -r 04fdb4abf120 tool/Makefile.am --- a/tool/Makefile.am Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/Makefile.am Mon Dec 20 17:52:37 2010 +0100 @@ -128,6 +128,7 @@ ethercat_CXXFLAGS = \ -I$(top_srcdir)/include \ -I$(top_srcdir)/master \ - -Wall -DREV=$(REV) + -Wall -DREV=$(REV) \ + -fno-strict-aliasing #------------------------------------------------------------------------------ diff -r 87de63b19e4c -r 04fdb4abf120 tool/MasterDevice.cpp --- a/tool/MasterDevice.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/MasterDevice.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -200,6 +200,24 @@ /****************************************************************************/ +void MasterDevice::getConfigIdn( + ec_ioctl_config_idn_t *data, + unsigned int index, + unsigned int pos + ) +{ + data->config_index = index; + data->idn_pos = pos; + + if (ioctl(fd, EC_IOCTL_CONFIG_IDN, data) < 0) { + stringstream err; + err << "Failed to get slave config IDN: " << strerror(errno); + throw MasterDeviceException(err); + } +} + +/****************************************************************************/ + void MasterDevice::getDomain(ec_ioctl_domain_t *data, unsigned int index) { data->index = index; diff -r 87de63b19e4c -r 04fdb4abf120 tool/MasterDevice.h --- a/tool/MasterDevice.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/MasterDevice.h Mon Dec 20 17:52:37 2010 +0100 @@ -116,6 +116,7 @@ void getConfigPdoEntry(ec_ioctl_config_pdo_entry_t *, unsigned int, uint8_t, uint16_t, uint8_t); void getConfigSdo(ec_ioctl_config_sdo_t *, unsigned int, unsigned int); + void getConfigIdn(ec_ioctl_config_idn_t *, unsigned int, unsigned int); void getDomain(ec_ioctl_domain_t *, unsigned int); void getFmmu(ec_ioctl_domain_fmmu_t *, unsigned int, unsigned int); void getData(ec_ioctl_domain_data_t *, unsigned int, unsigned int, diff -r 87de63b19e4c -r 04fdb4abf120 tool/SoeCommand.cpp --- a/tool/SoeCommand.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/SoeCommand.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -36,13 +36,6 @@ /*****************************************************************************/ -SoeCommand::SoeCommand(const string &name, const string &briefDesc): - Command(name, briefDesc) -{ -} - -/*****************************************************************************/ - uint16_t SoeCommand::parseIdn(const string &str) { uint16_t idn = 0x0000; @@ -109,6 +102,19 @@ /*****************************************************************************/ +string SoeCommand::outputIdn(uint16_t idn) +{ + stringstream str; + + str << ((idn & 0x8000) ? 'P' : 'S') + << "-" << ((idn >> 12) & 0x07) + << "-" << setfill('0') << setw(4) << (idn & 0x0fff); + + return str.str(); +} + +/*****************************************************************************/ + /** Outputs an SoE error code. */ std::string SoeCommand::errorMsg(uint16_t code) diff -r 87de63b19e4c -r 04fdb4abf120 tool/SoeCommand.h --- a/tool/SoeCommand.h Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/SoeCommand.h Mon Dec 20 17:52:37 2010 +0100 @@ -37,15 +37,11 @@ /****************************************************************************/ -class SoeCommand: - public Command, - public DataTypeHandler +class SoeCommand { - public: - SoeCommand(const string &, const string &); - protected: static uint16_t parseIdn(const string &); + static std::string outputIdn(uint16_t); static std::string errorMsg(uint16_t); }; diff -r 87de63b19e4c -r 04fdb4abf120 tool/main.cpp --- a/tool/main.cpp Tue Dec 14 21:58:53 2010 +0100 +++ b/tool/main.cpp Mon Dec 20 17:52:37 2010 +0100 @@ -312,7 +312,7 @@ cmd->execute(commandArgs); } catch (InvalidUsageException &e) { cerr << e.what() << endl << endl; - cerr << binaryBaseName << " " << cmd->helpString(); + cerr << cmd->helpString(binaryBaseName); retval = 1; } catch (CommandException &e) { cerr << e.what() << endl; @@ -322,7 +322,7 @@ retval = 1; } } else { - cout << binaryBaseName << " " << cmd->helpString(); + cout << cmd->helpString(binaryBaseName); } } else { cerr << "Ambiguous command abbreviation! Matching:" << endl; diff -r 87de63b19e4c -r 04fdb4abf120 tty/module.c --- a/tty/module.c Tue Dec 14 21:58:53 2010 +0100 +++ b/tty/module.c Mon Dec 20 17:52:37 2010 +0100 @@ -43,6 +43,7 @@ #include #include #include +#include #include "../master/globals.h" #include "../include/ectty.h"