-/* tc35815.c: A TOSHIBA TC35815CF PCI 10/100Mbps ethernet driver for linux.
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ahennessy@mvista.com
+/*
+ * tc35815.c: A TOSHIBA TC35815CF PCI 10/100Mbps ethernet driver for linux.
*
* Based on skelton.c by Donald Becker.
- * Copyright (C) 2000-2001 Toshiba Corporation
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
+ * This driver is a replacement of older and less maintained version.
+ * This is a header of the older version:
+ * -----<snip>-----
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ * ahennessy@mvista.com
+ * Copyright (C) 2000-2001 Toshiba Corporation
+ * static const char *version =
+ * "tc35815.c:v0.00 26/07/2000 by Toshiba Corporation\n";
+ * -----<snip>-----
*
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
+ * (C) Copyright TOSHIBA CORPORATION 2004-2005
+ * All Rights Reserved.
*/
-static const char *version =
- "tc35815.c:v0.00 26/07/2000 by Toshiba Corporation\n";
+#define DRV_VERSION "1.39"
+static const char *version = "tc35815.c:v" DRV_VERSION "\n";
+#define MODNAME "tc35815"
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/in.h>
+#include <linux/if_vlan.h>
#include <linux/slab.h>
#include <linux/string.h>
+#include <linux/spinlock.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/pci.h>
-#include <linux/proc_fs.h>
-#include <linux/spinlock.h>
-#include <linux/bitops.h>
-
-#include <asm/system.h>
+#include <linux/phy.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
#include <asm/io.h>
-#include <asm/dma.h>
#include <asm/byteorder.h>
-/*
- * The name of the card. Is used for messages and in the requests for
- * io regions, irqs and dma channels
- */
-static const char* cardname = "TC35815CF";
-#define TC35815_PROC_ENTRY "net/tc35815"
-
-#define TC35815_MODULE_NAME "TC35815CF"
-#define TX_TIMEOUT (4*HZ)
-
-/* First, a few definitions that the brave might change. */
+enum tc35815_chiptype {
+ TC35815CF = 0,
+ TC35815_NWU,
+ TC35815_TX4939,
+};
-/* use 0 for production, 1 for verification, >2 for debug */
-#ifndef TC35815_DEBUG
-#define TC35815_DEBUG 1
-#endif
-static unsigned int tc35815_debug = TC35815_DEBUG;
+/* indexed by tc35815_chiptype, above */
+static const struct {
+ const char *name;
+} chip_info[] __devinitdata = {
+ { "TOSHIBA TC35815CF 10/100BaseTX" },
+ { "TOSHIBA TC35815 with Wake on LAN" },
+ { "TOSHIBA TC35815/TX4939" },
+};
-#define GATHER_TXINT /* On-Demand Tx Interrupt */
+static DEFINE_PCI_DEVICE_TABLE(tc35815_pci_tbl) = {
+ {PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_TC35815CF), .driver_data = TC35815CF },
+ {PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_TC35815_NWU), .driver_data = TC35815_NWU },
+ {PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_TC35815_TX4939), .driver_data = TC35815_TX4939 },
+ {0,}
+};
+MODULE_DEVICE_TABLE(pci, tc35815_pci_tbl);
-#define vtonocache(p) KSEG1ADDR(virt_to_phys(p))
+/* see MODULE_PARM_DESC */
+static struct tc35815_options {
+ int speed;
+ int duplex;
+} options;
/*
* Registers
*/
struct tc35815_regs {
- volatile __u32 DMA_Ctl; /* 0x00 */
- volatile __u32 TxFrmPtr;
- volatile __u32 TxThrsh;
- volatile __u32 TxPollCtr;
- volatile __u32 BLFrmPtr;
- volatile __u32 RxFragSize;
- volatile __u32 Int_En;
- volatile __u32 FDA_Bas;
- volatile __u32 FDA_Lim; /* 0x20 */
- volatile __u32 Int_Src;
- volatile __u32 unused0[2];
- volatile __u32 PauseCnt;
- volatile __u32 RemPauCnt;
- volatile __u32 TxCtlFrmStat;
- volatile __u32 unused1;
- volatile __u32 MAC_Ctl; /* 0x40 */
- volatile __u32 CAM_Ctl;
- volatile __u32 Tx_Ctl;
- volatile __u32 Tx_Stat;
- volatile __u32 Rx_Ctl;
- volatile __u32 Rx_Stat;
- volatile __u32 MD_Data;
- volatile __u32 MD_CA;
- volatile __u32 CAM_Adr; /* 0x60 */
- volatile __u32 CAM_Data;
- volatile __u32 CAM_Ena;
- volatile __u32 PROM_Ctl;
- volatile __u32 PROM_Data;
- volatile __u32 Algn_Cnt;
- volatile __u32 CRC_Cnt;
- volatile __u32 Miss_Cnt;
+ __u32 DMA_Ctl; /* 0x00 */
+ __u32 TxFrmPtr;
+ __u32 TxThrsh;
+ __u32 TxPollCtr;
+ __u32 BLFrmPtr;
+ __u32 RxFragSize;
+ __u32 Int_En;
+ __u32 FDA_Bas;
+ __u32 FDA_Lim; /* 0x20 */
+ __u32 Int_Src;
+ __u32 unused0[2];
+ __u32 PauseCnt;
+ __u32 RemPauCnt;
+ __u32 TxCtlFrmStat;
+ __u32 unused1;
+ __u32 MAC_Ctl; /* 0x40 */
+ __u32 CAM_Ctl;
+ __u32 Tx_Ctl;
+ __u32 Tx_Stat;
+ __u32 Rx_Ctl;
+ __u32 Rx_Stat;
+ __u32 MD_Data;
+ __u32 MD_CA;
+ __u32 CAM_Adr; /* 0x60 */
+ __u32 CAM_Data;
+ __u32 CAM_Ena;
+ __u32 PROM_Ctl;
+ __u32 PROM_Data;
+ __u32 Algn_Cnt;
+ __u32 CRC_Cnt;
+ __u32 Miss_Cnt;
};
/*
* Bit assignments
*/
/* DMA_Ctl bit asign ------------------------------------------------------- */
-#define DMA_IntMask 0x00040000 /* 1:Interupt mask */
-#define DMA_SWIntReq 0x00020000 /* 1:Software Interrupt request */
-#define DMA_TxWakeUp 0x00010000 /* 1:Transmit Wake Up */
-#define DMA_RxBigE 0x00008000 /* 1:Receive Big Endian */
-#define DMA_TxBigE 0x00004000 /* 1:Transmit Big Endian */
-#define DMA_TestMode 0x00002000 /* 1:Test Mode */
-#define DMA_PowrMgmnt 0x00001000 /* 1:Power Management */
-#define DMA_DmBurst_Mask 0x000001fc /* DMA Burst size */
+#define DMA_RxAlign 0x00c00000 /* 1:Reception Alignment */
+#define DMA_RxAlign_1 0x00400000
+#define DMA_RxAlign_2 0x00800000
+#define DMA_RxAlign_3 0x00c00000
+#define DMA_M66EnStat 0x00080000 /* 1:66MHz Enable State */
+#define DMA_IntMask 0x00040000 /* 1:Interupt mask */
+#define DMA_SWIntReq 0x00020000 /* 1:Software Interrupt request */
+#define DMA_TxWakeUp 0x00010000 /* 1:Transmit Wake Up */
+#define DMA_RxBigE 0x00008000 /* 1:Receive Big Endian */
+#define DMA_TxBigE 0x00004000 /* 1:Transmit Big Endian */
+#define DMA_TestMode 0x00002000 /* 1:Test Mode */
+#define DMA_PowrMgmnt 0x00001000 /* 1:Power Management */
+#define DMA_DmBurst_Mask 0x000001fc /* DMA Burst size */
/* RxFragSize bit asign ---------------------------------------------------- */
-#define RxFrag_EnPack 0x00008000 /* 1:Enable Packing */
-#define RxFrag_MinFragMask 0x00000ffc /* Minimum Fragment */
+#define RxFrag_EnPack 0x00008000 /* 1:Enable Packing */
+#define RxFrag_MinFragMask 0x00000ffc /* Minimum Fragment */
/* MAC_Ctl bit asign ------------------------------------------------------- */
-#define MAC_Link10 0x00008000 /* 1:Link Status 10Mbits */
-#define MAC_EnMissRoll 0x00002000 /* 1:Enable Missed Roll */
-#define MAC_MissRoll 0x00000400 /* 1:Missed Roll */
-#define MAC_Loop10 0x00000080 /* 1:Loop 10 Mbps */
-#define MAC_Conn_Auto 0x00000000 /*00:Connection mode (Automatic) */
-#define MAC_Conn_10M 0x00000020 /*01: (10Mbps endec)*/
-#define MAC_Conn_Mll 0x00000040 /*10: (Mll clock) */
-#define MAC_MacLoop 0x00000010 /* 1:MAC Loopback */
-#define MAC_FullDup 0x00000008 /* 1:Full Duplex 0:Half Duplex */
-#define MAC_Reset 0x00000004 /* 1:Software Reset */
-#define MAC_HaltImm 0x00000002 /* 1:Halt Immediate */
-#define MAC_HaltReq 0x00000001 /* 1:Halt request */
+#define MAC_Link10 0x00008000 /* 1:Link Status 10Mbits */
+#define MAC_EnMissRoll 0x00002000 /* 1:Enable Missed Roll */
+#define MAC_MissRoll 0x00000400 /* 1:Missed Roll */
+#define MAC_Loop10 0x00000080 /* 1:Loop 10 Mbps */
+#define MAC_Conn_Auto 0x00000000 /*00:Connection mode (Automatic) */
+#define MAC_Conn_10M 0x00000020 /*01: (10Mbps endec)*/
+#define MAC_Conn_Mll 0x00000040 /*10: (Mll clock) */
+#define MAC_MacLoop 0x00000010 /* 1:MAC Loopback */
+#define MAC_FullDup 0x00000008 /* 1:Full Duplex 0:Half Duplex */
+#define MAC_Reset 0x00000004 /* 1:Software Reset */
+#define MAC_HaltImm 0x00000002 /* 1:Halt Immediate */
+#define MAC_HaltReq 0x00000001 /* 1:Halt request */
/* PROM_Ctl bit asign ------------------------------------------------------ */
-#define PROM_Busy 0x00008000 /* 1:Busy (Start Operation) */
-#define PROM_Read 0x00004000 /*10:Read operation */
-#define PROM_Write 0x00002000 /*01:Write operation */
-#define PROM_Erase 0x00006000 /*11:Erase operation */
- /*00:Enable or Disable Writting, */
- /* as specified in PROM_Addr. */
-#define PROM_Addr_Ena 0x00000030 /*11xxxx:PROM Write enable */
- /*00xxxx: disable */
+#define PROM_Busy 0x00008000 /* 1:Busy (Start Operation) */
+#define PROM_Read 0x00004000 /*10:Read operation */
+#define PROM_Write 0x00002000 /*01:Write operation */
+#define PROM_Erase 0x00006000 /*11:Erase operation */
+ /*00:Enable or Disable Writting, */
+ /* as specified in PROM_Addr. */
+#define PROM_Addr_Ena 0x00000030 /*11xxxx:PROM Write enable */
+ /*00xxxx: disable */
/* CAM_Ctl bit asign ------------------------------------------------------- */
-#define CAM_CompEn 0x00000010 /* 1:CAM Compare Enable */
-#define CAM_NegCAM 0x00000008 /* 1:Reject packets CAM recognizes,*/
- /* accept other */
-#define CAM_BroadAcc 0x00000004 /* 1:Broadcast assept */
-#define CAM_GroupAcc 0x00000002 /* 1:Multicast assept */
-#define CAM_StationAcc 0x00000001 /* 1:unicast accept */
+#define CAM_CompEn 0x00000010 /* 1:CAM Compare Enable */
+#define CAM_NegCAM 0x00000008 /* 1:Reject packets CAM recognizes,*/
+ /* accept other */
+#define CAM_BroadAcc 0x00000004 /* 1:Broadcast assept */
+#define CAM_GroupAcc 0x00000002 /* 1:Multicast assept */
+#define CAM_StationAcc 0x00000001 /* 1:unicast accept */
/* CAM_Ena bit asign ------------------------------------------------------- */
-#define CAM_ENTRY_MAX 21 /* CAM Data entry max count */
+#define CAM_ENTRY_MAX 21 /* CAM Data entry max count */
#define CAM_Ena_Mask ((1<<CAM_ENTRY_MAX)-1) /* CAM Enable bits (Max 21bits) */
-#define CAM_Ena_Bit(index) (1<<(index))
+#define CAM_Ena_Bit(index) (1 << (index))
#define CAM_ENTRY_DESTINATION 0
#define CAM_ENTRY_SOURCE 1
#define CAM_ENTRY_MACCTL 20
/* Tx_Ctl bit asign -------------------------------------------------------- */
-#define Tx_En 0x00000001 /* 1:Transmit enable */
-#define Tx_TxHalt 0x00000002 /* 1:Transmit Halt Request */
-#define Tx_NoPad 0x00000004 /* 1:Suppress Padding */
-#define Tx_NoCRC 0x00000008 /* 1:Suppress Padding */
-#define Tx_FBack 0x00000010 /* 1:Fast Back-off */
-#define Tx_EnUnder 0x00000100 /* 1:Enable Underrun */
-#define Tx_EnExDefer 0x00000200 /* 1:Enable Excessive Deferral */
-#define Tx_EnLCarr 0x00000400 /* 1:Enable Lost Carrier */
-#define Tx_EnExColl 0x00000800 /* 1:Enable Excessive Collision */
-#define Tx_EnLateColl 0x00001000 /* 1:Enable Late Collision */
-#define Tx_EnTxPar 0x00002000 /* 1:Enable Transmit Parity */
-#define Tx_EnComp 0x00004000 /* 1:Enable Completion */
+#define Tx_En 0x00000001 /* 1:Transmit enable */
+#define Tx_TxHalt 0x00000002 /* 1:Transmit Halt Request */
+#define Tx_NoPad 0x00000004 /* 1:Suppress Padding */
+#define Tx_NoCRC 0x00000008 /* 1:Suppress Padding */
+#define Tx_FBack 0x00000010 /* 1:Fast Back-off */
+#define Tx_EnUnder 0x00000100 /* 1:Enable Underrun */
+#define Tx_EnExDefer 0x00000200 /* 1:Enable Excessive Deferral */
+#define Tx_EnLCarr 0x00000400 /* 1:Enable Lost Carrier */
+#define Tx_EnExColl 0x00000800 /* 1:Enable Excessive Collision */
+#define Tx_EnLateColl 0x00001000 /* 1:Enable Late Collision */
+#define Tx_EnTxPar 0x00002000 /* 1:Enable Transmit Parity */
+#define Tx_EnComp 0x00004000 /* 1:Enable Completion */
/* Tx_Stat bit asign ------------------------------------------------------- */
-#define Tx_TxColl_MASK 0x0000000F /* Tx Collision Count */
-#define Tx_ExColl 0x00000010 /* Excessive Collision */
-#define Tx_TXDefer 0x00000020 /* Transmit Defered */
-#define Tx_Paused 0x00000040 /* Transmit Paused */
-#define Tx_IntTx 0x00000080 /* Interrupt on Tx */
-#define Tx_Under 0x00000100 /* Underrun */
-#define Tx_Defer 0x00000200 /* Deferral */
-#define Tx_NCarr 0x00000400 /* No Carrier */
-#define Tx_10Stat 0x00000800 /* 10Mbps Status */
-#define Tx_LateColl 0x00001000 /* Late Collision */
-#define Tx_TxPar 0x00002000 /* Tx Parity Error */
-#define Tx_Comp 0x00004000 /* Completion */
-#define Tx_Halted 0x00008000 /* Tx Halted */
-#define Tx_SQErr 0x00010000 /* Signal Quality Error(SQE) */
+#define Tx_TxColl_MASK 0x0000000F /* Tx Collision Count */
+#define Tx_ExColl 0x00000010 /* Excessive Collision */
+#define Tx_TXDefer 0x00000020 /* Transmit Defered */
+#define Tx_Paused 0x00000040 /* Transmit Paused */
+#define Tx_IntTx 0x00000080 /* Interrupt on Tx */
+#define Tx_Under 0x00000100 /* Underrun */
+#define Tx_Defer 0x00000200 /* Deferral */
+#define Tx_NCarr 0x00000400 /* No Carrier */
+#define Tx_10Stat 0x00000800 /* 10Mbps Status */
+#define Tx_LateColl 0x00001000 /* Late Collision */
+#define Tx_TxPar 0x00002000 /* Tx Parity Error */
+#define Tx_Comp 0x00004000 /* Completion */
+#define Tx_Halted 0x00008000 /* Tx Halted */
+#define Tx_SQErr 0x00010000 /* Signal Quality Error(SQE) */
/* Rx_Ctl bit asign -------------------------------------------------------- */
-#define Rx_EnGood 0x00004000 /* 1:Enable Good */
-#define Rx_EnRxPar 0x00002000 /* 1:Enable Receive Parity */
-#define Rx_EnLongErr 0x00000800 /* 1:Enable Long Error */
-#define Rx_EnOver 0x00000400 /* 1:Enable OverFlow */
-#define Rx_EnCRCErr 0x00000200 /* 1:Enable CRC Error */
-#define Rx_EnAlign 0x00000100 /* 1:Enable Alignment */
-#define Rx_IgnoreCRC 0x00000040 /* 1:Ignore CRC Value */
-#define Rx_StripCRC 0x00000010 /* 1:Strip CRC Value */
-#define Rx_ShortEn 0x00000008 /* 1:Short Enable */
-#define Rx_LongEn 0x00000004 /* 1:Long Enable */
-#define Rx_RxHalt 0x00000002 /* 1:Receive Halt Request */
-#define Rx_RxEn 0x00000001 /* 1:Receive Intrrupt Enable */
+#define Rx_EnGood 0x00004000 /* 1:Enable Good */
+#define Rx_EnRxPar 0x00002000 /* 1:Enable Receive Parity */
+#define Rx_EnLongErr 0x00000800 /* 1:Enable Long Error */
+#define Rx_EnOver 0x00000400 /* 1:Enable OverFlow */
+#define Rx_EnCRCErr 0x00000200 /* 1:Enable CRC Error */
+#define Rx_EnAlign 0x00000100 /* 1:Enable Alignment */
+#define Rx_IgnoreCRC 0x00000040 /* 1:Ignore CRC Value */
+#define Rx_StripCRC 0x00000010 /* 1:Strip CRC Value */
+#define Rx_ShortEn 0x00000008 /* 1:Short Enable */
+#define Rx_LongEn 0x00000004 /* 1:Long Enable */
+#define Rx_RxHalt 0x00000002 /* 1:Receive Halt Request */
+#define Rx_RxEn 0x00000001 /* 1:Receive Intrrupt Enable */
/* Rx_Stat bit asign ------------------------------------------------------- */
-#define Rx_Halted 0x00008000 /* Rx Halted */
-#define Rx_Good 0x00004000 /* Rx Good */
-#define Rx_RxPar 0x00002000 /* Rx Parity Error */
- /* 0x00001000 not use */
-#define Rx_LongErr 0x00000800 /* Rx Long Error */
-#define Rx_Over 0x00000400 /* Rx Overflow */
-#define Rx_CRCErr 0x00000200 /* Rx CRC Error */
-#define Rx_Align 0x00000100 /* Rx Alignment Error */
-#define Rx_10Stat 0x00000080 /* Rx 10Mbps Status */
-#define Rx_IntRx 0x00000040 /* Rx Interrupt */
-#define Rx_CtlRecd 0x00000020 /* Rx Control Receive */
-
-#define Rx_Stat_Mask 0x0000EFC0 /* Rx All Status Mask */
+#define Rx_Halted 0x00008000 /* Rx Halted */
+#define Rx_Good 0x00004000 /* Rx Good */
+#define Rx_RxPar 0x00002000 /* Rx Parity Error */
+#define Rx_TypePkt 0x00001000 /* Rx Type Packet */
+#define Rx_LongErr 0x00000800 /* Rx Long Error */
+#define Rx_Over 0x00000400 /* Rx Overflow */
+#define Rx_CRCErr 0x00000200 /* Rx CRC Error */
+#define Rx_Align 0x00000100 /* Rx Alignment Error */
+#define Rx_10Stat 0x00000080 /* Rx 10Mbps Status */
+#define Rx_IntRx 0x00000040 /* Rx Interrupt */
+#define Rx_CtlRecd 0x00000020 /* Rx Control Receive */
+#define Rx_InLenErr 0x00000010 /* Rx In Range Frame Length Error */
+
+#define Rx_Stat_Mask 0x0000FFF0 /* Rx All Status Mask */
/* Int_En bit asign -------------------------------------------------------- */
-#define Int_NRAbtEn 0x00000800 /* 1:Non-recoverable Abort Enable */
-#define Int_TxCtlCmpEn 0x00000400 /* 1:Transmit Control Complete Enable */
-#define Int_DmParErrEn 0x00000200 /* 1:DMA Parity Error Enable */
-#define Int_DParDEn 0x00000100 /* 1:Data Parity Error Enable */
-#define Int_EarNotEn 0x00000080 /* 1:Early Notify Enable */
-#define Int_DParErrEn 0x00000040 /* 1:Detected Parity Error Enable */
-#define Int_SSysErrEn 0x00000020 /* 1:Signalled System Error Enable */
-#define Int_RMasAbtEn 0x00000010 /* 1:Received Master Abort Enable */
-#define Int_RTargAbtEn 0x00000008 /* 1:Received Target Abort Enable */
-#define Int_STargAbtEn 0x00000004 /* 1:Signalled Target Abort Enable */
-#define Int_BLExEn 0x00000002 /* 1:Buffer List Exhausted Enable */
-#define Int_FDAExEn 0x00000001 /* 1:Free Descriptor Area */
- /* Exhausted Enable */
+#define Int_NRAbtEn 0x00000800 /* 1:Non-recoverable Abort Enable */
+#define Int_TxCtlCmpEn 0x00000400 /* 1:Transmit Ctl Complete Enable */
+#define Int_DmParErrEn 0x00000200 /* 1:DMA Parity Error Enable */
+#define Int_DParDEn 0x00000100 /* 1:Data Parity Error Enable */
+#define Int_EarNotEn 0x00000080 /* 1:Early Notify Enable */
+#define Int_DParErrEn 0x00000040 /* 1:Detected Parity Error Enable */
+#define Int_SSysErrEn 0x00000020 /* 1:Signalled System Error Enable */
+#define Int_RMasAbtEn 0x00000010 /* 1:Received Master Abort Enable */
+#define Int_RTargAbtEn 0x00000008 /* 1:Received Target Abort Enable */
+#define Int_STargAbtEn 0x00000004 /* 1:Signalled Target Abort Enable */
+#define Int_BLExEn 0x00000002 /* 1:Buffer List Exhausted Enable */
+#define Int_FDAExEn 0x00000001 /* 1:Free Descriptor Area */
+ /* Exhausted Enable */
/* Int_Src bit asign ------------------------------------------------------- */
-#define Int_NRabt 0x00004000 /* 1:Non Recoverable error */
-#define Int_DmParErrStat 0x00002000 /* 1:DMA Parity Error & Clear */
-#define Int_BLEx 0x00001000 /* 1:Buffer List Empty & Clear */
-#define Int_FDAEx 0x00000800 /* 1:FDA Empty & Clear */
-#define Int_IntNRAbt 0x00000400 /* 1:Non Recoverable Abort */
-#define Int_IntCmp 0x00000200 /* 1:MAC control packet complete */
-#define Int_IntExBD 0x00000100 /* 1:Interrupt Extra BD & Clear */
-#define Int_DmParErr 0x00000080 /* 1:DMA Parity Error & Clear */
-#define Int_IntEarNot 0x00000040 /* 1:Receive Data write & Clear */
-#define Int_SWInt 0x00000020 /* 1:Software request & Clear */
-#define Int_IntBLEx 0x00000010 /* 1:Buffer List Empty & Clear */
-#define Int_IntFDAEx 0x00000008 /* 1:FDA Empty & Clear */
-#define Int_IntPCI 0x00000004 /* 1:PCI controller & Clear */
-#define Int_IntMacRx 0x00000002 /* 1:Rx controller & Clear */
-#define Int_IntMacTx 0x00000001 /* 1:Tx controller & Clear */
+#define Int_NRabt 0x00004000 /* 1:Non Recoverable error */
+#define Int_DmParErrStat 0x00002000 /* 1:DMA Parity Error & Clear */
+#define Int_BLEx 0x00001000 /* 1:Buffer List Empty & Clear */
+#define Int_FDAEx 0x00000800 /* 1:FDA Empty & Clear */
+#define Int_IntNRAbt 0x00000400 /* 1:Non Recoverable Abort */
+#define Int_IntCmp 0x00000200 /* 1:MAC control packet complete */
+#define Int_IntExBD 0x00000100 /* 1:Interrupt Extra BD & Clear */
+#define Int_DmParErr 0x00000080 /* 1:DMA Parity Error & Clear */
+#define Int_IntEarNot 0x00000040 /* 1:Receive Data write & Clear */
+#define Int_SWInt 0x00000020 /* 1:Software request & Clear */
+#define Int_IntBLEx 0x00000010 /* 1:Buffer List Empty & Clear */
+#define Int_IntFDAEx 0x00000008 /* 1:FDA Empty & Clear */
+#define Int_IntPCI 0x00000004 /* 1:PCI controller & Clear */
+#define Int_IntMacRx 0x00000002 /* 1:Rx controller & Clear */
+#define Int_IntMacTx 0x00000001 /* 1:Tx controller & Clear */
/* MD_CA bit asign --------------------------------------------------------- */
-#define MD_CA_PreSup 0x00001000 /* 1:Preamble Supress */
-#define MD_CA_Busy 0x00000800 /* 1:Busy (Start Operation) */
-#define MD_CA_Wr 0x00000400 /* 1:Write 0:Read */
-
-
-/* MII register offsets */
-#define MII_CONTROL 0x0000
-#define MII_STATUS 0x0001
-#define MII_PHY_ID0 0x0002
-#define MII_PHY_ID1 0x0003
-#define MII_ANAR 0x0004
-#define MII_ANLPAR 0x0005
-#define MII_ANER 0x0006
-/* MII Control register bit definitions. */
-#define MIICNTL_FDX 0x0100
-#define MIICNTL_RST_AUTO 0x0200
-#define MIICNTL_ISOLATE 0x0400
-#define MIICNTL_PWRDWN 0x0800
-#define MIICNTL_AUTO 0x1000
-#define MIICNTL_SPEED 0x2000
-#define MIICNTL_LPBK 0x4000
-#define MIICNTL_RESET 0x8000
-/* MII Status register bit significance. */
-#define MIISTAT_EXT 0x0001
-#define MIISTAT_JAB 0x0002
-#define MIISTAT_LINK 0x0004
-#define MIISTAT_CAN_AUTO 0x0008
-#define MIISTAT_FAULT 0x0010
-#define MIISTAT_AUTO_DONE 0x0020
-#define MIISTAT_CAN_T 0x0800
-#define MIISTAT_CAN_T_FDX 0x1000
-#define MIISTAT_CAN_TX 0x2000
-#define MIISTAT_CAN_TX_FDX 0x4000
-#define MIISTAT_CAN_T4 0x8000
-/* MII Auto-Negotiation Expansion/RemoteEnd Register Bits */
-#define MII_AN_TX_FDX 0x0100
-#define MII_AN_TX_HDX 0x0080
-#define MII_AN_10_FDX 0x0040
-#define MII_AN_10_HDX 0x0020
+#define MD_CA_PreSup 0x00001000 /* 1:Preamble Supress */
+#define MD_CA_Busy 0x00000800 /* 1:Busy (Start Operation) */
+#define MD_CA_Wr 0x00000400 /* 1:Write 0:Read */
/*
#define FD_ALIGN 16
/* Frame Descripter bit asign ---------------------------------------------- */
-#define FD_FDLength_MASK 0x0000FFFF /* Length MASK */
-#define FD_BDCnt_MASK 0x001F0000 /* BD count MASK in FD */
-#define FD_FrmOpt_MASK 0x7C000000 /* Frame option MASK */
+#define FD_FDLength_MASK 0x0000FFFF /* Length MASK */
+#define FD_BDCnt_MASK 0x001F0000 /* BD count MASK in FD */
+#define FD_FrmOpt_MASK 0x7C000000 /* Frame option MASK */
#define FD_FrmOpt_BigEndian 0x40000000 /* Tx/Rx */
-#define FD_FrmOpt_IntTx 0x20000000 /* Tx only */
-#define FD_FrmOpt_NoCRC 0x10000000 /* Tx only */
+#define FD_FrmOpt_IntTx 0x20000000 /* Tx only */
+#define FD_FrmOpt_NoCRC 0x10000000 /* Tx only */
#define FD_FrmOpt_NoPadding 0x08000000 /* Tx only */
#define FD_FrmOpt_Packing 0x04000000 /* Rx only */
-#define FD_CownsFD 0x80000000 /* FD Controller owner bit */
-#define FD_Next_EOL 0x00000001 /* FD EOL indicator */
-#define FD_BDCnt_SHIFT 16
+#define FD_CownsFD 0x80000000 /* FD Controller owner bit */
+#define FD_Next_EOL 0x00000001 /* FD EOL indicator */
+#define FD_BDCnt_SHIFT 16
/* Buffer Descripter bit asign --------------------------------------------- */
-#define BD_BuffLength_MASK 0x0000FFFF /* Recieve Data Size */
-#define BD_RxBDID_MASK 0x00FF0000 /* BD ID Number MASK */
-#define BD_RxBDSeqN_MASK 0x7F000000 /* Rx BD Sequence Number */
-#define BD_CownsBD 0x80000000 /* BD Controller owner bit */
-#define BD_RxBDID_SHIFT 16
+#define BD_BuffLength_MASK 0x0000FFFF /* Recieve Data Size */
+#define BD_RxBDID_MASK 0x00FF0000 /* BD ID Number MASK */
+#define BD_RxBDSeqN_MASK 0x7F000000 /* Rx BD Sequence Number */
+#define BD_CownsBD 0x80000000 /* BD Controller owner bit */
+#define BD_RxBDID_SHIFT 16
#define BD_RxBDSeqN_SHIFT 24
/* Some useful constants. */
-#undef NO_CHECK_CARRIER /* Does not check No-Carrier with TP */
-#ifdef NO_CHECK_CARRIER
-#define TX_CTL_CMD (Tx_EnComp | Tx_EnTxPar | Tx_EnLateColl | \
+#define TX_CTL_CMD (Tx_EnTxPar | Tx_EnLateColl | \
Tx_EnExColl | Tx_EnLCarr | Tx_EnExDefer | Tx_EnUnder | \
- Tx_En) /* maybe 0x7d01 */
-#else
-#define TX_CTL_CMD (Tx_EnComp | Tx_EnTxPar | Tx_EnLateColl | \
- Tx_EnExColl | Tx_EnExDefer | Tx_EnUnder | \
- Tx_En) /* maybe 0x7f01 */
-#endif
+ Tx_En) /* maybe 0x7b01 */
+/* Do not use Rx_StripCRC -- it causes trouble on BLEx/FDAEx condition */
#define RX_CTL_CMD (Rx_EnGood | Rx_EnRxPar | Rx_EnLongErr | Rx_EnOver \
- | Rx_EnCRCErr | Rx_EnAlign | Rx_RxEn) /* maybe 0x6f01 */
-
+ | Rx_EnCRCErr | Rx_EnAlign | Rx_RxEn) /* maybe 0x6f01 */
#define INT_EN_CMD (Int_NRAbtEn | \
- Int_DParDEn | Int_DParErrEn | \
+ Int_DmParErrEn | Int_DParDEn | Int_DParErrEn | \
Int_SSysErrEn | Int_RMasAbtEn | Int_RTargAbtEn | \
Int_STargAbtEn | \
Int_BLExEn | Int_FDAExEn) /* maybe 0xb7f*/
+#define DMA_CTL_CMD DMA_BURST_SIZE
+#define HAVE_DMA_RXALIGN(lp) likely((lp)->chiptype != TC35815CF)
/* Tuning parameters */
#define DMA_BURST_SIZE 32
#define TX_THRESHOLD 1024
-
-#define FD_PAGE_NUM 2
-#define FD_PAGE_ORDER 1
-/* 16 + RX_BUF_PAGES * 8 + RX_FD_NUM * 16 + TX_FD_NUM * 32 <= PAGE_SIZE*2 */
-#define RX_BUF_PAGES 8 /* >= 2 */
-#define RX_FD_NUM 250 /* >= 32 */
+/* used threshold with packet max byte for low pci transfer ability.*/
+#define TX_THRESHOLD_MAX 1536
+/* setting threshold max value when overrun error occured this count. */
+#define TX_THRESHOLD_KEEP_LIMIT 10
+
+/* 16 + RX_BUF_NUM * 8 + RX_FD_NUM * 16 + TX_FD_NUM * 32 <= PAGE_SIZE*FD_PAGE_NUM */
+#define FD_PAGE_NUM 4
+#define RX_BUF_NUM 128 /* < 256 */
+#define RX_FD_NUM 256 /* >= 32 */
#define TX_FD_NUM 128
+#if RX_CTL_CMD & Rx_LongEn
+#define RX_BUF_SIZE PAGE_SIZE
+#elif RX_CTL_CMD & Rx_StripCRC
+#define RX_BUF_SIZE \
+ L1_CACHE_ALIGN(ETH_FRAME_LEN + VLAN_HLEN + NET_IP_ALIGN)
+#else
+#define RX_BUF_SIZE \
+ L1_CACHE_ALIGN(ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN + NET_IP_ALIGN)
+#endif
+#define RX_FD_RESERVE (2 / 2) /* max 2 BD per RxFD */
+#define NAPI_WEIGHT 16
struct TxFD {
struct FDesc fd;
struct FrFD {
struct FDesc fd;
- struct BDesc bd[RX_BUF_PAGES];
+ struct BDesc bd[RX_BUF_NUM];
};
-extern unsigned long tc_readl(volatile __u32 *addr);
-extern void tc_writel(unsigned long data, volatile __u32 *addr);
+#define tc_readl(addr) ioread32(addr)
+#define tc_writel(d, addr) iowrite32(d, addr)
-dma_addr_t priv_dma_handle;
+#define TC35815_TX_TIMEOUT msecs_to_jiffies(400)
-/* Information that need to be kept for each board. */
+/* Information that need to be kept for each controller. */
struct tc35815_local {
- struct net_device *next_module;
+ struct pci_dev *pci_dev;
+
+ struct net_device *dev;
+ struct napi_struct napi;
/* statistics */
- struct net_device_stats stats;
struct {
int max_tx_qlen;
int tx_ints;
int rx_ints;
+ int tx_underrun;
} lstats;
- int tbusy;
- int option;
-#define TC35815_OPT_AUTO 0x00
-#define TC35815_OPT_10M 0x01
-#define TC35815_OPT_100M 0x02
-#define TC35815_OPT_FULLDUP 0x04
- int linkspeed; /* 10 or 100 */
- int fullduplex;
+ /* Tx control lock. This protects the transmit buffer ring
+ * state along with the "tx full" state of the driver. This
+ * means all netif_queue flow control actions are protected
+ * by this lock as well.
+ */
+ spinlock_t lock;
+ spinlock_t rx_lock;
+
+ struct mii_bus *mii_bus;
+ struct phy_device *phy_dev;
+ int duplex;
+ int speed;
+ int link;
+ struct work_struct restart_work;
/*
* Transmitting: Batch Mode.
* 1 BD in 1 TxFD.
- * Receiving: Packing Mode.
+ * Receiving: Non-Packing Mode.
* 1 circular FD for Free Buffer List.
- * RX_BUG_PAGES BD in Free Buffer FD.
- * One Free Buffer BD has PAGE_SIZE data buffer.
+ * RX_BUF_NUM BD in Free Buffer FD.
+ * One Free Buffer BD has ETH_FRAME_LEN data buffer.
*/
- struct pci_dev *pdev;
- dma_addr_t fd_buf_dma_handle;
- void * fd_buf; /* for TxFD, TxFD, FrFD */
+ void *fd_buf; /* for TxFD, RxFD, FrFD */
+ dma_addr_t fd_buf_dma;
struct TxFD *tfd_base;
- int tfd_start;
- int tfd_end;
+ unsigned int tfd_start;
+ unsigned int tfd_end;
struct RxFD *rfd_base;
struct RxFD *rfd_limit;
struct RxFD *rfd_cur;
struct FrFD *fbl_ptr;
- unsigned char fbl_curid;
- dma_addr_t data_buf_dma_handle[RX_BUF_PAGES];
- void * data_buf[RX_BUF_PAGES]; /* packing */
- spinlock_t lock;
+ unsigned int fbl_count;
+ struct {
+ struct sk_buff *skb;
+ dma_addr_t skb_dma;
+ } tx_skbs[TX_FD_NUM], rx_skbs[RX_BUF_NUM];
+ u32 msg_enable;
+ enum tc35815_chiptype chiptype;
};
-/* Index to functions, as function prototypes. */
+static inline dma_addr_t fd_virt_to_bus(struct tc35815_local *lp, void *virt)
+{
+ return lp->fd_buf_dma + ((u8 *)virt - (u8 *)lp->fd_buf);
+}
+#ifdef DEBUG
+static inline void *fd_bus_to_virt(struct tc35815_local *lp, dma_addr_t bus)
+{
+ return (void *)((u8 *)lp->fd_buf + (bus - lp->fd_buf_dma));
+}
+#endif
+static struct sk_buff *alloc_rxbuf_skb(struct net_device *dev,
+ struct pci_dev *hwdev,
+ dma_addr_t *dma_handle)
+{
+ struct sk_buff *skb;
+ skb = dev_alloc_skb(RX_BUF_SIZE);
+ if (!skb)
+ return NULL;
+ *dma_handle = pci_map_single(hwdev, skb->data, RX_BUF_SIZE,
+ PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(hwdev, *dma_handle)) {
+ dev_kfree_skb_any(skb);
+ return NULL;
+ }
+ skb_reserve(skb, 2); /* make IP header 4byte aligned */
+ return skb;
+}
-static int __devinit tc35815_probe1(struct pci_dev *pdev, unsigned int base_addr, unsigned int irq);
+static void free_rxbuf_skb(struct pci_dev *hwdev, struct sk_buff *skb, dma_addr_t dma_handle)
+{
+ pci_unmap_single(hwdev, dma_handle, RX_BUF_SIZE,
+ PCI_DMA_FROMDEVICE);
+ dev_kfree_skb_any(skb);
+}
+
+/* Index to functions, as function prototypes. */
static int tc35815_open(struct net_device *dev);
static int tc35815_send_packet(struct sk_buff *skb, struct net_device *dev);
-static void tc35815_tx_timeout(struct net_device *dev);
-static irqreturn_t tc35815_interrupt(int irq, void *dev_id, struct pt_regs *regs);
-static void tc35815_rx(struct net_device *dev);
+static irqreturn_t tc35815_interrupt(int irq, void *dev_id);
+static int tc35815_rx(struct net_device *dev, int limit);
+static int tc35815_poll(struct napi_struct *napi, int budget);
static void tc35815_txdone(struct net_device *dev);
static int tc35815_close(struct net_device *dev);
static struct net_device_stats *tc35815_get_stats(struct net_device *dev);
static void tc35815_set_multicast_list(struct net_device *dev);
+static void tc35815_tx_timeout(struct net_device *dev);
+static int tc35815_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void tc35815_poll_controller(struct net_device *dev);
+#endif
+static const struct ethtool_ops tc35815_ethtool_ops;
-static void tc35815_chip_reset(struct net_device *dev);
-static void tc35815_chip_init(struct net_device *dev);
-static void tc35815_phy_chip_init(struct net_device *dev);
+/* Example routines you must write ;->. */
+static void tc35815_chip_reset(struct net_device *dev);
+static void tc35815_chip_init(struct net_device *dev);
-/* A list of all installed tc35815 devices. */
-static struct net_device *root_tc35815_dev = NULL;
+#ifdef DEBUG
+static void panic_queues(struct net_device *dev);
+#endif
-/*
- * PCI device identifiers for "new style" Linux PCI Device Drivers
- */
-static struct pci_device_id tc35815_pci_tbl[] = {
- { PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_TC35815CF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- { 0, }
-};
+static void tc35815_restart_work(struct work_struct *work);
-MODULE_DEVICE_TABLE (pci, tc35815_pci_tbl);
+static int tc_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
+{
+ struct net_device *dev = bus->priv;
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
+ unsigned long timeout = jiffies + HZ;
+
+ tc_writel(MD_CA_Busy | (mii_id << 5) | (regnum & 0x1f), &tr->MD_CA);
+ udelay(12); /* it takes 32 x 400ns at least */
+ while (tc_readl(&tr->MD_CA) & MD_CA_Busy) {
+ if (time_after(jiffies, timeout))
+ return -EIO;
+ cpu_relax();
+ }
+ return tc_readl(&tr->MD_Data) & 0xffff;
+}
-int
-tc35815_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent)
+static int tc_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 val)
{
- int err = 0;
- int ret;
- unsigned long pci_memaddr;
- unsigned int pci_irq_line;
+ struct net_device *dev = bus->priv;
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
+ unsigned long timeout = jiffies + HZ;
+
+ tc_writel(val, &tr->MD_Data);
+ tc_writel(MD_CA_Busy | MD_CA_Wr | (mii_id << 5) | (regnum & 0x1f),
+ &tr->MD_CA);
+ udelay(12); /* it takes 32 x 400ns at least */
+ while (tc_readl(&tr->MD_CA) & MD_CA_Busy) {
+ if (time_after(jiffies, timeout))
+ return -EIO;
+ cpu_relax();
+ }
+ return 0;
+}
- printk(KERN_INFO "tc35815_probe: found device %#08x.%#08x\n", ent->vendor, ent->device);
+static void tc_handle_link_change(struct net_device *dev)
+{
+ struct tc35815_local *lp = netdev_priv(dev);
+ struct phy_device *phydev = lp->phy_dev;
+ unsigned long flags;
+ int status_change = 0;
- err = pci_enable_device(pdev);
- if (err)
- return err;
+ spin_lock_irqsave(&lp->lock, flags);
+ if (phydev->link &&
+ (lp->speed != phydev->speed || lp->duplex != phydev->duplex)) {
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
+ u32 reg;
+
+ reg = tc_readl(&tr->MAC_Ctl);
+ reg |= MAC_HaltReq;
+ tc_writel(reg, &tr->MAC_Ctl);
+ if (phydev->duplex == DUPLEX_FULL)
+ reg |= MAC_FullDup;
+ else
+ reg &= ~MAC_FullDup;
+ tc_writel(reg, &tr->MAC_Ctl);
+ reg &= ~MAC_HaltReq;
+ tc_writel(reg, &tr->MAC_Ctl);
- pci_memaddr = pci_resource_start (pdev, 1);
+ /*
+ * TX4939 PCFG.SPEEDn bit will be changed on
+ * NETDEV_CHANGE event.
+ */
+ /*
+ * WORKAROUND: enable LostCrS only if half duplex
+ * operation.
+ * (TX4939 does not have EnLCarr)
+ */
+ if (phydev->duplex == DUPLEX_HALF &&
+ lp->chiptype != TC35815_TX4939)
+ tc_writel(tc_readl(&tr->Tx_Ctl) | Tx_EnLCarr,
+ &tr->Tx_Ctl);
+
+ lp->speed = phydev->speed;
+ lp->duplex = phydev->duplex;
+ status_change = 1;
+ }
- printk(KERN_INFO " pci_memaddr=%#08lx resource_flags=%#08lx\n", pci_memaddr, pci_resource_flags (pdev, 0));
+ if (phydev->link != lp->link) {
+ if (phydev->link) {
+ /* delayed promiscuous enabling */
+ if (dev->flags & IFF_PROMISC)
+ tc35815_set_multicast_list(dev);
+ } else {
+ lp->speed = 0;
+ lp->duplex = -1;
+ }
+ lp->link = phydev->link;
- if (!pci_memaddr) {
- printk(KERN_WARNING "no PCI MEM resources, aborting\n");
- ret = -ENODEV;
- goto err_out;
+ status_change = 1;
}
- pci_irq_line = pdev->irq;
- /* irq disabled. */
- if (pci_irq_line == 0) {
- printk(KERN_WARNING "no PCI irq, aborting\n");
- ret = -ENODEV;
- goto err_out;
+ spin_unlock_irqrestore(&lp->lock, flags);
+
+ if (status_change && netif_msg_link(lp)) {
+ phy_print_status(phydev);
+ pr_debug("%s: MII BMCR %04x BMSR %04x LPA %04x\n",
+ dev->name,
+ phy_read(phydev, MII_BMCR),
+ phy_read(phydev, MII_BMSR),
+ phy_read(phydev, MII_LPA));
}
+}
- ret = tc35815_probe1(pdev, pci_memaddr, pci_irq_line);
- if (ret)
- goto err_out;
+static int tc_mii_probe(struct net_device *dev)
+{
+ struct tc35815_local *lp = netdev_priv(dev);
+ struct phy_device *phydev = NULL;
+ int phy_addr;
+ u32 dropmask;
+
+ /* find the first phy */
+ for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
+ if (lp->mii_bus->phy_map[phy_addr]) {
+ if (phydev) {
+ printk(KERN_ERR "%s: multiple PHYs found\n",
+ dev->name);
+ return -EINVAL;
+ }
+ phydev = lp->mii_bus->phy_map[phy_addr];
+ break;
+ }
+ }
- pci_set_master(pdev);
+ if (!phydev) {
+ printk(KERN_ERR "%s: no PHY found\n", dev->name);
+ return -ENODEV;
+ }
- return 0;
+ /* attach the mac to the phy */
+ phydev = phy_connect(dev, dev_name(&phydev->dev),
+ &tc_handle_link_change, 0,
+ lp->chiptype == TC35815_TX4939 ?
+ PHY_INTERFACE_MODE_RMII : PHY_INTERFACE_MODE_MII);
+ if (IS_ERR(phydev)) {
+ printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
+ return PTR_ERR(phydev);
+ }
+ printk(KERN_INFO "%s: attached PHY driver [%s] "
+ "(mii_bus:phy_addr=%s, id=%x)\n",
+ dev->name, phydev->drv->name, dev_name(&phydev->dev),
+ phydev->phy_id);
+
+ /* mask with MAC supported features */
+ phydev->supported &= PHY_BASIC_FEATURES;
+ dropmask = 0;
+ if (options.speed == 10)
+ dropmask |= SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full;
+ else if (options.speed == 100)
+ dropmask |= SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full;
+ if (options.duplex == 1)
+ dropmask |= SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Full;
+ else if (options.duplex == 2)
+ dropmask |= SUPPORTED_10baseT_Half | SUPPORTED_100baseT_Half;
+ phydev->supported &= ~dropmask;
+ phydev->advertising = phydev->supported;
+
+ lp->link = 0;
+ lp->speed = 0;
+ lp->duplex = -1;
+ lp->phy_dev = phydev;
-err_out:
- pci_disable_device(pdev);
- return ret;
+ return 0;
}
-static int __devinit tc35815_probe1(struct pci_dev *pdev, unsigned int base_addr, unsigned int irq)
+static int tc_mii_init(struct net_device *dev)
{
- static unsigned version_printed = 0;
- int i, ret;
- struct tc35815_local *lp;
- struct tc35815_regs *tr;
- struct net_device *dev;
+ struct tc35815_local *lp = netdev_priv(dev);
+ int err;
+ int i;
- /* Allocate a new 'dev' if needed. */
- dev = alloc_etherdev(sizeof(struct tc35815_local));
- if (dev == NULL)
- return -ENOMEM;
+ lp->mii_bus = mdiobus_alloc();
+ if (lp->mii_bus == NULL) {
+ err = -ENOMEM;
+ goto err_out;
+ }
- /*
- * alloc_etherdev allocs and zeros dev->priv
- */
- lp = dev->priv;
+ lp->mii_bus->name = "tc35815_mii_bus";
+ lp->mii_bus->read = tc_mdio_read;
+ lp->mii_bus->write = tc_mdio_write;
+ snprintf(lp->mii_bus->id, MII_BUS_ID_SIZE, "%x",
+ (lp->pci_dev->bus->number << 8) | lp->pci_dev->devfn);
+ lp->mii_bus->priv = dev;
+ lp->mii_bus->parent = &lp->pci_dev->dev;
+ lp->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
+ if (!lp->mii_bus->irq) {
+ err = -ENOMEM;
+ goto err_out_free_mii_bus;
+ }
- if (tc35815_debug && version_printed++ == 0)
- printk(KERN_DEBUG "%s", version);
+ for (i = 0; i < PHY_MAX_ADDR; i++)
+ lp->mii_bus->irq[i] = PHY_POLL;
- /* Fill in the 'dev' fields. */
- dev->irq = irq;
- dev->base_addr = (unsigned long)ioremap(base_addr,
- sizeof(struct tc35815_regs));
- if (!dev->base_addr) {
- ret = -ENOMEM;
- goto err_out;
+ err = mdiobus_register(lp->mii_bus);
+ if (err)
+ goto err_out_free_mdio_irq;
+ err = tc_mii_probe(dev);
+ if (err)
+ goto err_out_unregister_bus;
+ return 0;
+
+err_out_unregister_bus:
+ mdiobus_unregister(lp->mii_bus);
+err_out_free_mdio_irq:
+ kfree(lp->mii_bus->irq);
+err_out_free_mii_bus:
+ mdiobus_free(lp->mii_bus);
+err_out:
+ return err;
+}
+
+#ifdef CONFIG_CPU_TX49XX
+/*
+ * Find a platform_device providing a MAC address. The platform code
+ * should provide a "tc35815-mac" device with a MAC address in its
+ * platform_data.
+ */
+static int __devinit tc35815_mac_match(struct device *dev, void *data)
+{
+ struct platform_device *plat_dev = to_platform_device(dev);
+ struct pci_dev *pci_dev = data;
+ unsigned int id = pci_dev->irq;
+ return !strcmp(plat_dev->name, "tc35815-mac") && plat_dev->id == id;
+}
+
+static int __devinit tc35815_read_plat_dev_addr(struct net_device *dev)
+{
+ struct tc35815_local *lp = netdev_priv(dev);
+ struct device *pd = bus_find_device(&platform_bus_type, NULL,
+ lp->pci_dev, tc35815_mac_match);
+ if (pd) {
+ if (pd->platform_data)
+ memcpy(dev->dev_addr, pd->platform_data, ETH_ALEN);
+ put_device(pd);
+ return is_valid_ether_addr(dev->dev_addr) ? 0 : -ENODEV;
}
- tr = (struct tc35815_regs*)dev->base_addr;
+ return -ENODEV;
+}
+#else
+static int __devinit tc35815_read_plat_dev_addr(struct net_device *dev)
+{
+ return -ENODEV;
+}
+#endif
- tc35815_chip_reset(dev);
+static int __devinit tc35815_init_dev_addr(struct net_device *dev)
+{
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
+ int i;
- /* Retrieve and print the ethernet address. */
while (tc_readl(&tr->PROM_Ctl) & PROM_Busy)
;
for (i = 0; i < 6; i += 2) {
dev->dev_addr[i] = data & 0xff;
dev->dev_addr[i+1] = data >> 8;
}
+ if (!is_valid_ether_addr(dev->dev_addr))
+ return tc35815_read_plat_dev_addr(dev);
+ return 0;
+}
+
+static const struct net_device_ops tc35815_netdev_ops = {
+ .ndo_open = tc35815_open,
+ .ndo_stop = tc35815_close,
+ .ndo_start_xmit = tc35815_send_packet,
+ .ndo_get_stats = tc35815_get_stats,
+ .ndo_set_multicast_list = tc35815_set_multicast_list,
+ .ndo_tx_timeout = tc35815_tx_timeout,
+ .ndo_do_ioctl = tc35815_ioctl,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = tc35815_poll_controller,
+#endif
+};
+
+static int __devinit tc35815_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ void __iomem *ioaddr = NULL;
+ struct net_device *dev;
+ struct tc35815_local *lp;
+ int rc;
+
+ static int printed_version;
+ if (!printed_version++) {
+ printk(version);
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "speed:%d duplex:%d\n",
+ options.speed, options.duplex);
+ }
+
+ if (!pdev->irq) {
+ dev_warn(&pdev->dev, "no IRQ assigned.\n");
+ return -ENODEV;
+ }
+
+ /* dev zeroed in alloc_etherdev */
+ dev = alloc_etherdev(sizeof(*lp));
+ if (dev == NULL) {
+ dev_err(&pdev->dev, "unable to alloc new ethernet\n");
+ return -ENOMEM;
+ }
+ SET_NETDEV_DEV(dev, &pdev->dev);
+ lp = netdev_priv(dev);
+ lp->dev = dev;
+
+ /* enable device (incl. PCI PM wakeup), and bus-mastering */
+ rc = pcim_enable_device(pdev);
+ if (rc)
+ goto err_out;
+ rc = pcim_iomap_regions(pdev, 1 << 1, MODNAME);
+ if (rc)
+ goto err_out;
+ pci_set_master(pdev);
+ ioaddr = pcim_iomap_table(pdev)[1];
/* Initialize the device structure. */
- lp->pdev = pdev;
- lp->next_module = root_tc35815_dev;
- root_tc35815_dev = dev;
+ dev->netdev_ops = &tc35815_netdev_ops;
+ dev->ethtool_ops = &tc35815_ethtool_ops;
+ dev->watchdog_timeo = TC35815_TX_TIMEOUT;
+ netif_napi_add(dev, &lp->napi, tc35815_poll, NAPI_WEIGHT);
+ dev->irq = pdev->irq;
+ dev->base_addr = (unsigned long)ioaddr;
+
+ INIT_WORK(&lp->restart_work, tc35815_restart_work);
spin_lock_init(&lp->lock);
+ spin_lock_init(&lp->rx_lock);
+ lp->pci_dev = pdev;
+ lp->chiptype = ent->driver_data;
- if (dev->mem_start > 0) {
- lp->option = dev->mem_start;
- if ((lp->option & TC35815_OPT_10M) &&
- (lp->option & TC35815_OPT_100M)) {
- /* if both speed speficied, auto select. */
- lp->option &= ~(TC35815_OPT_10M | TC35815_OPT_100M);
- }
+ lp->msg_enable = NETIF_MSG_TX_ERR | NETIF_MSG_HW | NETIF_MSG_DRV | NETIF_MSG_LINK;
+ pci_set_drvdata(pdev, dev);
+
+ /* Soft reset the chip. */
+ tc35815_chip_reset(dev);
+
+ /* Retrieve the ethernet address. */
+ if (tc35815_init_dev_addr(dev)) {
+ dev_warn(&pdev->dev, "not valid ether addr\n");
+ random_ether_addr(dev->dev_addr);
}
- //XXX fixme
- lp->option |= TC35815_OPT_10M;
-
- /* do auto negotiation */
- tc35815_phy_chip_init(dev);
-
- dev->open = tc35815_open;
- dev->stop = tc35815_close;
- dev->tx_timeout = tc35815_tx_timeout;
- dev->watchdog_timeo = TX_TIMEOUT;
- dev->hard_start_xmit = tc35815_send_packet;
- dev->get_stats = tc35815_get_stats;
- dev->set_multicast_list = tc35815_set_multicast_list;
- SET_MODULE_OWNER(dev);
- SET_NETDEV_DEV(dev, &pdev->dev);
- ret = register_netdev(dev);
- if (ret)
- goto err_out_iounmap;
+ rc = register_netdev(dev);
+ if (rc)
+ goto err_out;
+
+ memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
+ printk(KERN_INFO "%s: %s at 0x%lx, %pM, IRQ %d\n",
+ dev->name,
+ chip_info[ent->driver_data].name,
+ dev->base_addr,
+ dev->dev_addr,
+ dev->irq);
- printk(KERN_INFO "%s: %s found at %#x, irq %d, MAC",
- dev->name, cardname, base_addr, irq);
- for (i = 0; i < 6; i++)
- printk(" %2.2x", dev->dev_addr[i]);
- printk("\n");
- printk(KERN_INFO "%s: linkspeed %dMbps, %s Duplex\n",
- dev->name, lp->linkspeed, lp->fullduplex ? "Full" : "Half");
+ rc = tc_mii_init(dev);
+ if (rc)
+ goto err_out_unregister;
return 0;
-err_out_iounmap:
- iounmap((void *) dev->base_addr);
+err_out_unregister:
+ unregister_netdev(dev);
err_out:
free_netdev(dev);
- return ret;
+ return rc;
}
+static void __devexit tc35815_remove_one(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct tc35815_local *lp = netdev_priv(dev);
+
+ phy_disconnect(lp->phy_dev);
+ mdiobus_unregister(lp->mii_bus);
+ kfree(lp->mii_bus->irq);
+ mdiobus_free(lp->mii_bus);
+ unregister_netdev(dev);
+ free_netdev(dev);
+ pci_set_drvdata(pdev, NULL);
+}
+
static int
tc35815_init_queues(struct net_device *dev)
{
- struct tc35815_local *lp = dev->priv;
+ struct tc35815_local *lp = netdev_priv(dev);
int i;
unsigned long fd_addr;
if (!lp->fd_buf) {
- if (sizeof(struct FDesc) +
- sizeof(struct BDesc) * RX_BUF_PAGES +
- sizeof(struct FDesc) * RX_FD_NUM +
- sizeof(struct TxFD) * TX_FD_NUM > PAGE_SIZE * FD_PAGE_NUM) {
- printk(KERN_WARNING "%s: Invalid Queue Size.\n", dev->name);
+ BUG_ON(sizeof(struct FDesc) +
+ sizeof(struct BDesc) * RX_BUF_NUM +
+ sizeof(struct FDesc) * RX_FD_NUM +
+ sizeof(struct TxFD) * TX_FD_NUM >
+ PAGE_SIZE * FD_PAGE_NUM);
+
+ lp->fd_buf = pci_alloc_consistent(lp->pci_dev,
+ PAGE_SIZE * FD_PAGE_NUM,
+ &lp->fd_buf_dma);
+ if (!lp->fd_buf)
return -ENOMEM;
- }
-
- if ((lp->fd_buf = (void *)__get_free_pages(GFP_KERNEL, FD_PAGE_ORDER)) == 0)
- return -ENOMEM;
- for (i = 0; i < RX_BUF_PAGES; i++) {
- if ((lp->data_buf[i] = (void *)get_zeroed_page(GFP_KERNEL)) == 0) {
+ for (i = 0; i < RX_BUF_NUM; i++) {
+ lp->rx_skbs[i].skb =
+ alloc_rxbuf_skb(dev, lp->pci_dev,
+ &lp->rx_skbs[i].skb_dma);
+ if (!lp->rx_skbs[i].skb) {
while (--i >= 0) {
- free_page((unsigned long)lp->data_buf[i]);
- lp->data_buf[i] = 0;
+ free_rxbuf_skb(lp->pci_dev,
+ lp->rx_skbs[i].skb,
+ lp->rx_skbs[i].skb_dma);
+ lp->rx_skbs[i].skb = NULL;
}
- free_page((unsigned long)lp->fd_buf);
- lp->fd_buf = 0;
+ pci_free_consistent(lp->pci_dev,
+ PAGE_SIZE * FD_PAGE_NUM,
+ lp->fd_buf,
+ lp->fd_buf_dma);
+ lp->fd_buf = NULL;
return -ENOMEM;
}
-#ifdef __mips__
- dma_cache_wback_inv((unsigned long)lp->data_buf[i], PAGE_SIZE * FD_PAGE_NUM);
-#endif
}
-#ifdef __mips__
- dma_cache_wback_inv((unsigned long)lp->fd_buf, PAGE_SIZE * FD_PAGE_NUM);
-#endif
+ printk(KERN_DEBUG "%s: FD buf %p DataBuf",
+ dev->name, lp->fd_buf);
+ printk("\n");
} else {
- clear_page(lp->fd_buf);
-#ifdef __mips__
- dma_cache_wback_inv((unsigned long)lp->fd_buf, PAGE_SIZE * FD_PAGE_NUM);
-#endif
+ for (i = 0; i < FD_PAGE_NUM; i++)
+ clear_page((void *)((unsigned long)lp->fd_buf +
+ i * PAGE_SIZE));
}
-#ifdef __mips__
- fd_addr = (unsigned long)vtonocache(lp->fd_buf);
-#else
fd_addr = (unsigned long)lp->fd_buf;
-#endif
/* Free Descriptors (for Receive) */
lp->rfd_base = (struct RxFD *)fd_addr;
fd_addr += sizeof(struct RxFD) * RX_FD_NUM;
- for (i = 0; i < RX_FD_NUM; i++) {
+ for (i = 0; i < RX_FD_NUM; i++)
lp->rfd_base[i].fd.FDCtl = cpu_to_le32(FD_CownsFD);
- }
lp->rfd_cur = lp->rfd_base;
- lp->rfd_limit = (struct RxFD *)(fd_addr -
- sizeof(struct FDesc) -
- sizeof(struct BDesc) * 30);
+ lp->rfd_limit = (struct RxFD *)fd_addr - (RX_FD_RESERVE + 1);
/* Transmit Descriptors */
lp->tfd_base = (struct TxFD *)fd_addr;
fd_addr += sizeof(struct TxFD) * TX_FD_NUM;
for (i = 0; i < TX_FD_NUM; i++) {
- lp->tfd_base[i].fd.FDNext = cpu_to_le32(virt_to_bus(&lp->tfd_base[i+1]));
- lp->tfd_base[i].fd.FDSystem = cpu_to_le32(0);
+ lp->tfd_base[i].fd.FDNext = cpu_to_le32(fd_virt_to_bus(lp, &lp->tfd_base[i+1]));
+ lp->tfd_base[i].fd.FDSystem = cpu_to_le32(0xffffffff);
lp->tfd_base[i].fd.FDCtl = cpu_to_le32(0);
}
- lp->tfd_base[TX_FD_NUM-1].fd.FDNext = cpu_to_le32(virt_to_bus(&lp->tfd_base[0]));
+ lp->tfd_base[TX_FD_NUM-1].fd.FDNext = cpu_to_le32(fd_virt_to_bus(lp, &lp->tfd_base[0]));
lp->tfd_start = 0;
lp->tfd_end = 0;
/* Buffer List (for Receive) */
lp->fbl_ptr = (struct FrFD *)fd_addr;
- lp->fbl_ptr->fd.FDNext = cpu_to_le32(virt_to_bus(lp->fbl_ptr));
- lp->fbl_ptr->fd.FDCtl = cpu_to_le32(RX_BUF_PAGES | FD_CownsFD);
- for (i = 0; i < RX_BUF_PAGES; i++) {
- lp->fbl_ptr->bd[i].BuffData = cpu_to_le32(virt_to_bus(lp->data_buf[i]));
+ lp->fbl_ptr->fd.FDNext = cpu_to_le32(fd_virt_to_bus(lp, lp->fbl_ptr));
+ lp->fbl_ptr->fd.FDCtl = cpu_to_le32(RX_BUF_NUM | FD_CownsFD);
+ /*
+ * move all allocated skbs to head of rx_skbs[] array.
+ * fbl_count mighe not be RX_BUF_NUM if alloc_rxbuf_skb() in
+ * tc35815_rx() had failed.
+ */
+ lp->fbl_count = 0;
+ for (i = 0; i < RX_BUF_NUM; i++) {
+ if (lp->rx_skbs[i].skb) {
+ if (i != lp->fbl_count) {
+ lp->rx_skbs[lp->fbl_count].skb =
+ lp->rx_skbs[i].skb;
+ lp->rx_skbs[lp->fbl_count].skb_dma =
+ lp->rx_skbs[i].skb_dma;
+ }
+ lp->fbl_count++;
+ }
+ }
+ for (i = 0; i < RX_BUF_NUM; i++) {
+ if (i >= lp->fbl_count) {
+ lp->fbl_ptr->bd[i].BuffData = 0;
+ lp->fbl_ptr->bd[i].BDCtl = 0;
+ continue;
+ }
+ lp->fbl_ptr->bd[i].BuffData =
+ cpu_to_le32(lp->rx_skbs[i].skb_dma);
/* BDID is index of FrFD.bd[] */
lp->fbl_ptr->bd[i].BDCtl =
- cpu_to_le32(BD_CownsBD | (i << BD_RxBDID_SHIFT) | PAGE_SIZE);
+ cpu_to_le32(BD_CownsBD | (i << BD_RxBDID_SHIFT) |
+ RX_BUF_SIZE);
}
- lp->fbl_curid = 0;
+ printk(KERN_DEBUG "%s: TxFD %p RxFD %p FrFD %p\n",
+ dev->name, lp->tfd_base, lp->rfd_base, lp->fbl_ptr);
return 0;
}
static void
tc35815_clear_queues(struct net_device *dev)
{
- struct tc35815_local *lp = dev->priv;
+ struct tc35815_local *lp = netdev_priv(dev);
int i;
for (i = 0; i < TX_FD_NUM; i++) {
- struct sk_buff *skb = (struct sk_buff *)
- le32_to_cpu(lp->tfd_base[i].fd.FDSystem);
- if (skb)
+ u32 fdsystem = le32_to_cpu(lp->tfd_base[i].fd.FDSystem);
+ struct sk_buff *skb =
+ fdsystem != 0xffffffff ?
+ lp->tx_skbs[fdsystem].skb : NULL;
+#ifdef DEBUG
+ if (lp->tx_skbs[i].skb != skb) {
+ printk("%s: tx_skbs mismatch(%d).\n", dev->name, i);
+ panic_queues(dev);
+ }
+#else
+ BUG_ON(lp->tx_skbs[i].skb != skb);
+#endif
+ if (skb) {
+ pci_unmap_single(lp->pci_dev, lp->tx_skbs[i].skb_dma, skb->len, PCI_DMA_TODEVICE);
+ lp->tx_skbs[i].skb = NULL;
+ lp->tx_skbs[i].skb_dma = 0;
dev_kfree_skb_any(skb);
- lp->tfd_base[i].fd.FDSystem = cpu_to_le32(0);
+ }
+ lp->tfd_base[i].fd.FDSystem = cpu_to_le32(0xffffffff);
}
tc35815_init_queues(dev);
static void
tc35815_free_queues(struct net_device *dev)
{
- struct tc35815_local *lp = dev->priv;
+ struct tc35815_local *lp = netdev_priv(dev);
int i;
if (lp->tfd_base) {
for (i = 0; i < TX_FD_NUM; i++) {
- struct sk_buff *skb = (struct sk_buff *)
- le32_to_cpu(lp->tfd_base[i].fd.FDSystem);
- if (skb)
- dev_kfree_skb_any(skb);
- lp->tfd_base[i].fd.FDSystem = cpu_to_le32(0);
+ u32 fdsystem = le32_to_cpu(lp->tfd_base[i].fd.FDSystem);
+ struct sk_buff *skb =
+ fdsystem != 0xffffffff ?
+ lp->tx_skbs[fdsystem].skb : NULL;
+#ifdef DEBUG
+ if (lp->tx_skbs[i].skb != skb) {
+ printk("%s: tx_skbs mismatch(%d).\n", dev->name, i);
+ panic_queues(dev);
+ }
+#else
+ BUG_ON(lp->tx_skbs[i].skb != skb);
+#endif
+ if (skb) {
+ dev_kfree_skb(skb);
+ pci_unmap_single(lp->pci_dev, lp->tx_skbs[i].skb_dma, skb->len, PCI_DMA_TODEVICE);
+ lp->tx_skbs[i].skb = NULL;
+ lp->tx_skbs[i].skb_dma = 0;
+ }
+ lp->tfd_base[i].fd.FDSystem = cpu_to_le32(0xffffffff);
}
}
lp->rfd_base = NULL;
- lp->rfd_base = NULL;
lp->rfd_limit = NULL;
lp->rfd_cur = NULL;
lp->fbl_ptr = NULL;
- for (i = 0; i < RX_BUF_PAGES; i++) {
- if (lp->data_buf[i])
- free_page((unsigned long)lp->data_buf[i]);
- lp->data_buf[i] = 0;
+ for (i = 0; i < RX_BUF_NUM; i++) {
+ if (lp->rx_skbs[i].skb) {
+ free_rxbuf_skb(lp->pci_dev, lp->rx_skbs[i].skb,
+ lp->rx_skbs[i].skb_dma);
+ lp->rx_skbs[i].skb = NULL;
+ }
+ }
+ if (lp->fd_buf) {
+ pci_free_consistent(lp->pci_dev, PAGE_SIZE * FD_PAGE_NUM,
+ lp->fd_buf, lp->fd_buf_dma);
+ lp->fd_buf = NULL;
}
- if (lp->fd_buf)
- __free_pages(lp->fd_buf, FD_PAGE_ORDER);
- lp->fd_buf = NULL;
}
static void
le32_to_cpu(fd->fd.FDStat),
le32_to_cpu(fd->fd.FDCtl));
if (le32_to_cpu(fd->fd.FDCtl) & FD_CownsFD)
- return 0;
+ return 0;
printk("BD: ");
for (i = 0; i < bd_count; i++)
printk(" %08x %08x",
return bd_count;
}
+#ifdef DEBUG
static void
dump_frfd(struct FrFD *fd)
{
le32_to_cpu(fd->fd.FDStat),
le32_to_cpu(fd->fd.FDCtl));
printk("BD: ");
- for (i = 0; i < RX_BUF_PAGES; i++)
+ for (i = 0; i < RX_BUF_NUM; i++)
printk(" %08x %08x",
le32_to_cpu(fd->bd[i].BuffData),
le32_to_cpu(fd->bd[i].BDCtl));
static void
panic_queues(struct net_device *dev)
{
- struct tc35815_local *lp = dev->priv;
+ struct tc35815_local *lp = netdev_priv(dev);
int i;
- printk("TxFD base %p, start %d, end %d\n",
+ printk("TxFD base %p, start %u, end %u\n",
lp->tfd_base, lp->tfd_start, lp->tfd_end);
printk("RxFD base %p limit %p cur %p\n",
lp->rfd_base, lp->rfd_limit, lp->rfd_cur);
dump_frfd(lp->fbl_ptr);
panic("%s: Illegal queue state.", dev->name);
}
+#endif
-#if 0
-static void print_buf(char *add, int length)
+static void print_eth(const u8 *add)
{
- int i;
- int len = length;
+ printk(KERN_DEBUG "print_eth(%p)\n", add);
+ printk(KERN_DEBUG " %pM => %pM : %02x%02x\n",
+ add + 6, add, add[12], add[13]);
+}
+
+static int tc35815_tx_full(struct net_device *dev)
+{
+ struct tc35815_local *lp = netdev_priv(dev);
+ return ((lp->tfd_start + 1) % TX_FD_NUM == lp->tfd_end);
+}
+
+static void tc35815_restart(struct net_device *dev)
+{
+ struct tc35815_local *lp = netdev_priv(dev);
- printk("print_buf(%08x)(%x)\n", (unsigned int) add,length);
+ if (lp->phy_dev) {
+ int timeout;
- if (len > 100)
- len = 100;
- for (i = 0; i < len; i++) {
- printk(" %2.2X", (unsigned char) add[i]);
- if (!(i % 16))
- printk("\n");
+ phy_write(lp->phy_dev, MII_BMCR, BMCR_RESET);
+ timeout = 100;
+ while (--timeout) {
+ if (!(phy_read(lp->phy_dev, MII_BMCR) & BMCR_RESET))
+ break;
+ udelay(1);
+ }
+ if (!timeout)
+ printk(KERN_ERR "%s: BMCR reset failed.\n", dev->name);
}
- printk("\n");
+
+ spin_lock_bh(&lp->rx_lock);
+ spin_lock_irq(&lp->lock);
+ tc35815_chip_reset(dev);
+ tc35815_clear_queues(dev);
+ tc35815_chip_init(dev);
+ /* Reconfigure CAM again since tc35815_chip_init() initialize it. */
+ tc35815_set_multicast_list(dev);
+ spin_unlock_irq(&lp->lock);
+ spin_unlock_bh(&lp->rx_lock);
+
+ netif_wake_queue(dev);
}
-#endif
-static void print_eth(char *add)
+static void tc35815_restart_work(struct work_struct *work)
{
- int i;
+ struct tc35815_local *lp =
+ container_of(work, struct tc35815_local, restart_work);
+ struct net_device *dev = lp->dev;
+
+ tc35815_restart(dev);
+}
+
+static void tc35815_schedule_restart(struct net_device *dev)
+{
+ struct tc35815_local *lp = netdev_priv(dev);
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
+ unsigned long flags;
+
+ /* disable interrupts */
+ spin_lock_irqsave(&lp->lock, flags);
+ tc_writel(0, &tr->Int_En);
+ tc_writel(tc_readl(&tr->DMA_Ctl) | DMA_IntMask, &tr->DMA_Ctl);
+ schedule_work(&lp->restart_work);
+ spin_unlock_irqrestore(&lp->lock, flags);
+}
+
+static void tc35815_tx_timeout(struct net_device *dev)
+{
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
- printk("print_eth(%08x)\n", (unsigned int) add);
- for (i = 0; i < 6; i++)
- printk(" %2.2X", (unsigned char) add[i + 6]);
- printk(" =>");
- for (i = 0; i < 6; i++)
- printk(" %2.2X", (unsigned char) add[i]);
- printk(" : %2.2X%2.2X\n", (unsigned char) add[12], (unsigned char) add[13]);
+ printk(KERN_WARNING "%s: transmit timed out, status %#x\n",
+ dev->name, tc_readl(&tr->Tx_Stat));
+
+ /* Try to restart the adaptor. */
+ tc35815_schedule_restart(dev);
+ dev->stats.tx_errors++;
}
/*
- * Open/initialize the board. This is called (in the current kernel)
+ * Open/initialize the controller. This is called (in the current kernel)
* sometime after booting when the 'ifconfig' program is run.
*
* This routine should set everything up anew at each open, even
static int
tc35815_open(struct net_device *dev)
{
- struct tc35815_local *lp = dev->priv;
+ struct tc35815_local *lp = netdev_priv(dev);
+
/*
* This is used if the interrupt line can turned off (shared).
* See 3c503.c for an example of selecting the IRQ at config-time.
*/
-
- if (dev->irq == 0 ||
- request_irq(dev->irq, &tc35815_interrupt, IRQF_SHARED, cardname, dev)) {
+ if (request_irq(dev->irq, tc35815_interrupt, IRQF_SHARED,
+ dev->name, dev))
return -EAGAIN;
- }
tc35815_chip_reset(dev);
return -EAGAIN;
}
+ napi_enable(&lp->napi);
+
/* Reset the hardware here. Don't forget to set the station address. */
+ spin_lock_irq(&lp->lock);
tc35815_chip_init(dev);
+ spin_unlock_irq(&lp->lock);
- lp->tbusy = 0;
+ netif_carrier_off(dev);
+ /* schedule a link state check */
+ phy_start(lp->phy_dev);
+
+ /* We are now ready to accept transmit requeusts from
+ * the queueing layer of the networking.
+ */
netif_start_queue(dev);
return 0;
}
-static void tc35815_tx_timeout(struct net_device *dev)
-{
- struct tc35815_local *lp = dev->priv;
- struct tc35815_regs *tr = (struct tc35815_regs *)dev->base_addr;
- unsigned long flags;
-
- spin_lock_irqsave(&lp->lock, flags);
- printk(KERN_WARNING "%s: transmit timed out, status %#lx\n",
- dev->name, tc_readl(&tr->Tx_Stat));
- /* Try to restart the adaptor. */
- tc35815_chip_reset(dev);
- tc35815_clear_queues(dev);
- tc35815_chip_init(dev);
- lp->tbusy=0;
- spin_unlock_irqrestore(&lp->lock, flags);
- dev->trans_start = jiffies;
- netif_wake_queue(dev);
-}
-
+/* This will only be invoked if your driver is _not_ in XOFF state.
+ * What this means is that you need not check it, and that this
+ * invariant will hold if you make sure that the netif_*_queue()
+ * calls are done at the proper times.
+ */
static int tc35815_send_packet(struct sk_buff *skb, struct net_device *dev)
{
- struct tc35815_local *lp = dev->priv;
- struct tc35815_regs *tr = (struct tc35815_regs *)dev->base_addr;
-
- if (netif_queue_stopped(dev)) {
- /*
- * If we get here, some higher level has decided we are broken.
- * There should really be a "kick me" function call instead.
- */
- int tickssofar = jiffies - dev->trans_start;
- if (tickssofar < 5)
- return 1;
- printk(KERN_WARNING "%s: transmit timed out, status %#lx\n",
- dev->name, tc_readl(&tr->Tx_Stat));
- /* Try to restart the adaptor. */
- tc35815_chip_reset(dev);
- tc35815_clear_queues(dev);
- tc35815_chip_init(dev);
- lp->tbusy=0;
- dev->trans_start = jiffies;
- netif_wake_queue(dev);
- }
+ struct tc35815_local *lp = netdev_priv(dev);
+ struct TxFD *txfd;
+ unsigned long flags;
- /*
- * Block a timer-based transmit from overlapping. This could better be
- * done with atomic_swap(1, lp->tbusy), but set_bit() works as well.
+ /* If some error occurs while trying to transmit this
+ * packet, you should return '1' from this function.
+ * In such a case you _may not_ do anything to the
+ * SKB, it is still owned by the network queueing
+ * layer when an error is returned. This means you
+ * may not modify any SKB fields, you may not free
+ * the SKB, etc.
*/
- if (test_and_set_bit(0, (void*)&lp->tbusy) != 0) {
- printk(KERN_WARNING "%s: Transmitter access conflict.\n", dev->name);
- dev_kfree_skb_any(skb);
- } else {
- short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
- unsigned char *buf = skb->data;
- struct TxFD *txfd = &lp->tfd_base[lp->tfd_start];
- unsigned long flags;
- lp->stats.tx_bytes += skb->len;
-
-
-#ifdef __mips__
- dma_cache_wback_inv((unsigned long)buf, length);
-#endif
-
- spin_lock_irqsave(&lp->lock, flags);
-
- /* failsafe... */
- if (lp->tfd_start != lp->tfd_end)
- tc35815_txdone(dev);
-
- txfd->bd.BuffData = cpu_to_le32(virt_to_bus(buf));
-
- txfd->bd.BDCtl = cpu_to_le32(length);
- txfd->fd.FDSystem = cpu_to_le32((__u32)skb);
- txfd->fd.FDCtl = cpu_to_le32(FD_CownsFD | (1 << FD_BDCnt_SHIFT));
+ /* This is the most common case for modern hardware.
+ * The spinlock protects this code from the TX complete
+ * hardware interrupt handler. Queue flow control is
+ * thus managed under this lock as well.
+ */
+ spin_lock_irqsave(&lp->lock, flags);
- if (lp->tfd_start == lp->tfd_end) {
- /* Start DMA Transmitter. */
- txfd->fd.FDNext |= cpu_to_le32(FD_Next_EOL);
-#ifdef GATHER_TXINT
- txfd->fd.FDCtl |= cpu_to_le32(FD_FrmOpt_IntTx);
+ /* failsafe... (handle txdone now if half of FDs are used) */
+ if ((lp->tfd_start + TX_FD_NUM - lp->tfd_end) % TX_FD_NUM >
+ TX_FD_NUM / 2)
+ tc35815_txdone(dev);
+
+ if (netif_msg_pktdata(lp))
+ print_eth(skb->data);
+#ifdef DEBUG
+ if (lp->tx_skbs[lp->tfd_start].skb) {
+ printk("%s: tx_skbs conflict.\n", dev->name);
+ panic_queues(dev);
+ }
+#else
+ BUG_ON(lp->tx_skbs[lp->tfd_start].skb);
#endif
- if (tc35815_debug > 2) {
- printk("%s: starting TxFD.\n", dev->name);
- dump_txfd(txfd);
- if (tc35815_debug > 3)
- print_eth(buf);
- }
- tc_writel(virt_to_bus(txfd), &tr->TxFrmPtr);
- } else {
- txfd->fd.FDNext &= cpu_to_le32(~FD_Next_EOL);
- if (tc35815_debug > 2) {
- printk("%s: queueing TxFD.\n", dev->name);
- dump_txfd(txfd);
- if (tc35815_debug > 3)
- print_eth(buf);
- }
+ lp->tx_skbs[lp->tfd_start].skb = skb;
+ lp->tx_skbs[lp->tfd_start].skb_dma = pci_map_single(lp->pci_dev, skb->data, skb->len, PCI_DMA_TODEVICE);
+
+ /*add to ring */
+ txfd = &lp->tfd_base[lp->tfd_start];
+ txfd->bd.BuffData = cpu_to_le32(lp->tx_skbs[lp->tfd_start].skb_dma);
+ txfd->bd.BDCtl = cpu_to_le32(skb->len);
+ txfd->fd.FDSystem = cpu_to_le32(lp->tfd_start);
+ txfd->fd.FDCtl = cpu_to_le32(FD_CownsFD | (1 << FD_BDCnt_SHIFT));
+
+ if (lp->tfd_start == lp->tfd_end) {
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
+ /* Start DMA Transmitter. */
+ txfd->fd.FDNext |= cpu_to_le32(FD_Next_EOL);
+ txfd->fd.FDCtl |= cpu_to_le32(FD_FrmOpt_IntTx);
+ if (netif_msg_tx_queued(lp)) {
+ printk("%s: starting TxFD.\n", dev->name);
+ dump_txfd(txfd);
}
- lp->tfd_start = (lp->tfd_start + 1) % TX_FD_NUM;
-
- dev->trans_start = jiffies;
-
- if ((lp->tfd_start + 1) % TX_FD_NUM != lp->tfd_end) {
- /* we can send another packet */
- lp->tbusy = 0;
- netif_start_queue(dev);
- } else {
- netif_stop_queue(dev);
- if (tc35815_debug > 1)
- printk(KERN_WARNING "%s: TxFD Exhausted.\n", dev->name);
+ tc_writel(fd_virt_to_bus(lp, txfd), &tr->TxFrmPtr);
+ } else {
+ txfd->fd.FDNext &= cpu_to_le32(~FD_Next_EOL);
+ if (netif_msg_tx_queued(lp)) {
+ printk("%s: queueing TxFD.\n", dev->name);
+ dump_txfd(txfd);
}
- spin_unlock_irqrestore(&lp->lock, flags);
}
+ lp->tfd_start = (lp->tfd_start + 1) % TX_FD_NUM;
- return 0;
+ /* If we just used up the very last entry in the
+ * TX ring on this device, tell the queueing
+ * layer to send no more.
+ */
+ if (tc35815_tx_full(dev)) {
+ if (netif_msg_tx_queued(lp))
+ printk(KERN_WARNING "%s: TxFD Exhausted.\n", dev->name);
+ netif_stop_queue(dev);
+ }
+
+ /* When the TX completion hw interrupt arrives, this
+ * is when the transmit statistics are updated.
+ */
+
+ spin_unlock_irqrestore(&lp->lock, flags);
+ return NETDEV_TX_OK;
}
#define FATAL_ERROR_INT \
(Int_IntPCI | Int_DmParErr | Int_IntNRAbt)
-static void tc35815_fatal_error_interrupt(struct net_device *dev, int status)
+static void tc35815_fatal_error_interrupt(struct net_device *dev, u32 status)
{
static int count;
printk(KERN_WARNING "%s: Fatal Error Intterrupt (%#x):",
dev->name, status);
-
if (status & Int_IntPCI)
printk(" IntPCI");
if (status & Int_DmParErr)
printk("\n");
if (count++ > 100)
panic("%s: Too many fatal errors.", dev->name);
- printk(KERN_WARNING "%s: Resetting %s...\n", dev->name, cardname);
+ printk(KERN_WARNING "%s: Resetting ...\n", dev->name);
/* Try to restart the adaptor. */
- tc35815_chip_reset(dev);
- tc35815_clear_queues(dev);
- tc35815_chip_init(dev);
+ tc35815_schedule_restart(dev);
}
-/*
- * The typical workload of the driver:
- * Handle the network interface interrupts.
- */
-static irqreturn_t tc35815_interrupt(int irq, void *dev_id, struct pt_regs * regs)
+static int tc35815_do_interrupt(struct net_device *dev, u32 status, int limit)
{
- struct net_device *dev = dev_id;
- struct tc35815_regs *tr;
- struct tc35815_local *lp;
- int status, boguscount = 0;
- int handled = 0;
+ struct tc35815_local *lp = netdev_priv(dev);
+ int ret = -1;
- if (dev == NULL) {
- printk(KERN_WARNING "%s: irq %d for unknown device.\n", cardname, irq);
- return IRQ_NONE;
+ /* Fatal errors... */
+ if (status & FATAL_ERROR_INT) {
+ tc35815_fatal_error_interrupt(dev, status);
+ return 0;
+ }
+ /* recoverable errors */
+ if (status & Int_IntFDAEx) {
+ if (netif_msg_rx_err(lp))
+ dev_warn(&dev->dev,
+ "Free Descriptor Area Exhausted (%#x).\n",
+ status);
+ dev->stats.rx_dropped++;
+ ret = 0;
+ }
+ if (status & Int_IntBLEx) {
+ if (netif_msg_rx_err(lp))
+ dev_warn(&dev->dev,
+ "Buffer List Exhausted (%#x).\n",
+ status);
+ dev->stats.rx_dropped++;
+ ret = 0;
+ }
+ if (status & Int_IntExBD) {
+ if (netif_msg_rx_err(lp))
+ dev_warn(&dev->dev,
+ "Excessive Buffer Descriptiors (%#x).\n",
+ status);
+ dev->stats.rx_length_errors++;
+ ret = 0;
}
- tr = (struct tc35815_regs*)dev->base_addr;
- lp = dev->priv;
-
- do {
- status = tc_readl(&tr->Int_Src);
- if (status == 0)
- break;
- handled = 1;
- tc_writel(status, &tr->Int_Src); /* write to clear */
+ /* normal notification */
+ if (status & Int_IntMacRx) {
+ /* Got a packet(s). */
+ ret = tc35815_rx(dev, limit);
+ lp->lstats.rx_ints++;
+ }
+ if (status & Int_IntMacTx) {
+ /* Transmit complete. */
+ lp->lstats.tx_ints++;
+ spin_lock_irq(&lp->lock);
+ tc35815_txdone(dev);
+ spin_unlock_irq(&lp->lock);
+ if (ret < 0)
+ ret = 0;
+ }
+ return ret;
+}
- /* Fatal errors... */
- if (status & FATAL_ERROR_INT) {
- tc35815_fatal_error_interrupt(dev, status);
- break;
- }
- /* recoverable errors */
- if (status & Int_IntFDAEx) {
- /* disable FDAEx int. (until we make rooms...) */
- tc_writel(tc_readl(&tr->Int_En) & ~Int_FDAExEn, &tr->Int_En);
- printk(KERN_WARNING
- "%s: Free Descriptor Area Exhausted (%#x).\n",
- dev->name, status);
- lp->stats.rx_dropped++;
- }
- if (status & Int_IntBLEx) {
- /* disable BLEx int. (until we make rooms...) */
- tc_writel(tc_readl(&tr->Int_En) & ~Int_BLExEn, &tr->Int_En);
- printk(KERN_WARNING
- "%s: Buffer List Exhausted (%#x).\n",
- dev->name, status);
- lp->stats.rx_dropped++;
- }
- if (status & Int_IntExBD) {
- printk(KERN_WARNING
- "%s: Excessive Buffer Descriptiors (%#x).\n",
- dev->name, status);
- lp->stats.rx_length_errors++;
- }
- /* normal notification */
- if (status & Int_IntMacRx) {
- /* Got a packet(s). */
- lp->lstats.rx_ints++;
- tc35815_rx(dev);
- }
- if (status & Int_IntMacTx) {
- lp->lstats.tx_ints++;
- tc35815_txdone(dev);
+/*
+ * The typical workload of the driver:
+ * Handle the network interface interrupts.
+ */
+static irqreturn_t tc35815_interrupt(int irq, void *dev_id)
+{
+ struct net_device *dev = dev_id;
+ struct tc35815_local *lp = netdev_priv(dev);
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
+ u32 dmactl = tc_readl(&tr->DMA_Ctl);
+
+ if (!(dmactl & DMA_IntMask)) {
+ /* disable interrupts */
+ tc_writel(dmactl | DMA_IntMask, &tr->DMA_Ctl);
+ if (napi_schedule_prep(&lp->napi))
+ __napi_schedule(&lp->napi);
+ else {
+ printk(KERN_ERR "%s: interrupt taken in poll\n",
+ dev->name);
+ BUG();
}
- } while (++boguscount < 20) ;
+ (void)tc_readl(&tr->Int_Src); /* flush */
+ return IRQ_HANDLED;
+ }
+ return IRQ_NONE;
+}
- return IRQ_RETVAL(handled);
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void tc35815_poll_controller(struct net_device *dev)
+{
+ disable_irq(dev->irq);
+ tc35815_interrupt(dev->irq, dev);
+ enable_irq(dev->irq);
}
+#endif
/* We have a good packet(s), get it/them out of the buffers. */
-static void
-tc35815_rx(struct net_device *dev)
+static int
+tc35815_rx(struct net_device *dev, int limit)
{
- struct tc35815_local *lp = dev->priv;
- struct tc35815_regs *tr = (struct tc35815_regs*)dev->base_addr;
+ struct tc35815_local *lp = netdev_priv(dev);
unsigned int fdctl;
int i;
- int buf_free_count = 0;
- int fd_free_count = 0;
+ int received = 0;
while (!((fdctl = le32_to_cpu(lp->rfd_cur->fd.FDCtl)) & FD_CownsFD)) {
int status = le32_to_cpu(lp->rfd_cur->fd.FDStat);
int pkt_len = fdctl & FD_FDLength_MASK;
- struct RxFD *next_rfd;
int bd_count = (fdctl & FD_BDCnt_MASK) >> FD_BDCnt_SHIFT;
+#ifdef DEBUG
+ struct RxFD *next_rfd;
+#endif
+#if (RX_CTL_CMD & Rx_StripCRC) == 0
+ pkt_len -= ETH_FCS_LEN;
+#endif
- if (tc35815_debug > 2)
+ if (netif_msg_rx_status(lp))
dump_rxfd(lp->rfd_cur);
if (status & Rx_Good) {
- /* Malloc up new buffer. */
struct sk_buff *skb;
unsigned char *data;
- int cur_bd, offset;
+ int cur_bd;
- lp->stats.rx_bytes += pkt_len;
-
- skb = dev_alloc_skb(pkt_len + 2); /* +2: for reserve */
- if (skb == NULL) {
- printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n",
- dev->name);
- lp->stats.rx_dropped++;
+ if (--limit < 0)
break;
+ BUG_ON(bd_count > 1);
+ cur_bd = (le32_to_cpu(lp->rfd_cur->bd[0].BDCtl)
+ & BD_RxBDID_MASK) >> BD_RxBDID_SHIFT;
+#ifdef DEBUG
+ if (cur_bd >= RX_BUF_NUM) {
+ printk("%s: invalid BDID.\n", dev->name);
+ panic_queues(dev);
}
- skb_reserve(skb, 2); /* 16 bit alignment */
- skb->dev = dev;
-
- data = skb_put(skb, pkt_len);
-
- /* copy from receive buffer */
- cur_bd = 0;
- offset = 0;
- while (offset < pkt_len && cur_bd < bd_count) {
- int len = le32_to_cpu(lp->rfd_cur->bd[cur_bd].BDCtl) &
- BD_BuffLength_MASK;
- void *rxbuf =
- bus_to_virt(le32_to_cpu(lp->rfd_cur->bd[cur_bd].BuffData));
-#ifdef __mips__
- dma_cache_inv((unsigned long)rxbuf, len);
-#endif
- memcpy(data + offset, rxbuf, len);
- offset += len;
- cur_bd++;
+ BUG_ON(lp->rx_skbs[cur_bd].skb_dma !=
+ (le32_to_cpu(lp->rfd_cur->bd[0].BuffData) & ~3));
+ if (!lp->rx_skbs[cur_bd].skb) {
+ printk("%s: NULL skb.\n", dev->name);
+ panic_queues(dev);
}
-#if 0
- print_buf(data,pkt_len);
+#else
+ BUG_ON(cur_bd >= RX_BUF_NUM);
#endif
- if (tc35815_debug > 3)
+ skb = lp->rx_skbs[cur_bd].skb;
+ prefetch(skb->data);
+ lp->rx_skbs[cur_bd].skb = NULL;
+ pci_unmap_single(lp->pci_dev,
+ lp->rx_skbs[cur_bd].skb_dma,
+ RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+ if (!HAVE_DMA_RXALIGN(lp) && NET_IP_ALIGN)
+ memmove(skb->data, skb->data - NET_IP_ALIGN,
+ pkt_len);
+ data = skb_put(skb, pkt_len);
+ if (netif_msg_pktdata(lp))
print_eth(data);
skb->protocol = eth_type_trans(skb, dev);
- netif_rx(skb);
- lp->stats.rx_packets++;
+ netif_receive_skb(skb);
+ received++;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += pkt_len;
} else {
- lp->stats.rx_errors++;
+ dev->stats.rx_errors++;
+ if (netif_msg_rx_err(lp))
+ dev_info(&dev->dev, "Rx error (status %x)\n",
+ status & Rx_Stat_Mask);
/* WORKAROUND: LongErr and CRCErr means Overflow. */
if ((status & Rx_LongErr) && (status & Rx_CRCErr)) {
status &= ~(Rx_LongErr|Rx_CRCErr);
status |= Rx_Over;
}
- if (status & Rx_LongErr) lp->stats.rx_length_errors++;
- if (status & Rx_Over) lp->stats.rx_fifo_errors++;
- if (status & Rx_CRCErr) lp->stats.rx_crc_errors++;
- if (status & Rx_Align) lp->stats.rx_frame_errors++;
+ if (status & Rx_LongErr)
+ dev->stats.rx_length_errors++;
+ if (status & Rx_Over)
+ dev->stats.rx_fifo_errors++;
+ if (status & Rx_CRCErr)
+ dev->stats.rx_crc_errors++;
+ if (status & Rx_Align)
+ dev->stats.rx_frame_errors++;
}
if (bd_count > 0) {
int bdctl = le32_to_cpu(lp->rfd_cur->bd[bd_count - 1].BDCtl);
unsigned char id =
(bdctl & BD_RxBDID_MASK) >> BD_RxBDID_SHIFT;
- if (id >= RX_BUF_PAGES) {
+#ifdef DEBUG
+ if (id >= RX_BUF_NUM) {
printk("%s: invalid BDID.\n", dev->name);
panic_queues(dev);
}
+#else
+ BUG_ON(id >= RX_BUF_NUM);
+#endif
/* free old buffers */
- while (lp->fbl_curid != id) {
- bdctl = le32_to_cpu(lp->fbl_ptr->bd[lp->fbl_curid].BDCtl);
+ lp->fbl_count--;
+ while (lp->fbl_count < RX_BUF_NUM)
+ {
+ unsigned char curid =
+ (id + 1 + lp->fbl_count) % RX_BUF_NUM;
+ struct BDesc *bd = &lp->fbl_ptr->bd[curid];
+#ifdef DEBUG
+ bdctl = le32_to_cpu(bd->BDCtl);
if (bdctl & BD_CownsBD) {
printk("%s: Freeing invalid BD.\n",
dev->name);
panic_queues(dev);
}
- /* pass BD to controler */
- /* Note: BDLength was modified by chip. */
- lp->fbl_ptr->bd[lp->fbl_curid].BDCtl =
- cpu_to_le32(BD_CownsBD |
- (lp->fbl_curid << BD_RxBDID_SHIFT) |
- PAGE_SIZE);
- lp->fbl_curid =
- (lp->fbl_curid + 1) % RX_BUF_PAGES;
- if (tc35815_debug > 2) {
- printk("%s: Entering new FBD %d\n",
- dev->name, lp->fbl_curid);
- dump_frfd(lp->fbl_ptr);
+#endif
+ /* pass BD to controller */
+ if (!lp->rx_skbs[curid].skb) {
+ lp->rx_skbs[curid].skb =
+ alloc_rxbuf_skb(dev,
+ lp->pci_dev,
+ &lp->rx_skbs[curid].skb_dma);
+ if (!lp->rx_skbs[curid].skb)
+ break; /* try on next reception */
+ bd->BuffData = cpu_to_le32(lp->rx_skbs[curid].skb_dma);
}
- buf_free_count++;
+ /* Note: BDLength was modified by chip. */
+ bd->BDCtl = cpu_to_le32(BD_CownsBD |
+ (curid << BD_RxBDID_SHIFT) |
+ RX_BUF_SIZE);
+ lp->fbl_count++;
}
}
/* put RxFD back to controller */
- next_rfd = bus_to_virt(le32_to_cpu(lp->rfd_cur->fd.FDNext));
-#ifdef __mips__
- next_rfd = (struct RxFD *)vtonocache(next_rfd);
-#endif
+#ifdef DEBUG
+ next_rfd = fd_bus_to_virt(lp,
+ le32_to_cpu(lp->rfd_cur->fd.FDNext));
if (next_rfd < lp->rfd_base || next_rfd > lp->rfd_limit) {
printk("%s: RxFD FDNext invalid.\n", dev->name);
panic_queues(dev);
}
+#endif
for (i = 0; i < (bd_count + 1) / 2 + 1; i++) {
- /* pass FD to controler */
- lp->rfd_cur->fd.FDNext = cpu_to_le32(0xdeaddead); /* for debug */
+ /* pass FD to controller */
+#ifdef DEBUG
+ lp->rfd_cur->fd.FDNext = cpu_to_le32(0xdeaddead);
+#else
+ lp->rfd_cur->fd.FDNext = cpu_to_le32(FD_Next_EOL);
+#endif
lp->rfd_cur->fd.FDCtl = cpu_to_le32(FD_CownsFD);
lp->rfd_cur++;
- fd_free_count++;
}
-
- lp->rfd_cur = next_rfd;
+ if (lp->rfd_cur > lp->rfd_limit)
+ lp->rfd_cur = lp->rfd_base;
+#ifdef DEBUG
+ if (lp->rfd_cur != next_rfd)
+ printk("rfd_cur = %p, next_rfd %p\n",
+ lp->rfd_cur, next_rfd);
+#endif
}
- /* re-enable BL/FDA Exhaust interrupts. */
- if (fd_free_count) {
- tc_writel(tc_readl(&tr->Int_En) | Int_FDAExEn, &tr->Int_En);
- if (buf_free_count)
- tc_writel(tc_readl(&tr->Int_En) | Int_BLExEn, &tr->Int_En);
+ return received;
+}
+
+static int tc35815_poll(struct napi_struct *napi, int budget)
+{
+ struct tc35815_local *lp = container_of(napi, struct tc35815_local, napi);
+ struct net_device *dev = lp->dev;
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
+ int received = 0, handled;
+ u32 status;
+
+ spin_lock(&lp->rx_lock);
+ status = tc_readl(&tr->Int_Src);
+ do {
+ /* BLEx, FDAEx will be cleared later */
+ tc_writel(status & ~(Int_BLEx | Int_FDAEx),
+ &tr->Int_Src); /* write to clear */
+
+ handled = tc35815_do_interrupt(dev, status, budget - received);
+ if (status & (Int_BLEx | Int_FDAEx))
+ tc_writel(status & (Int_BLEx | Int_FDAEx),
+ &tr->Int_Src);
+ if (handled >= 0) {
+ received += handled;
+ if (received >= budget)
+ break;
+ }
+ status = tc_readl(&tr->Int_Src);
+ } while (status);
+ spin_unlock(&lp->rx_lock);
+
+ if (received < budget) {
+ napi_complete(napi);
+ /* enable interrupts */
+ tc_writel(tc_readl(&tr->DMA_Ctl) & ~DMA_IntMask, &tr->DMA_Ctl);
}
+ return received;
}
-#ifdef NO_CHECK_CARRIER
-#define TX_STA_ERR (Tx_ExColl|Tx_Under|Tx_Defer|Tx_LateColl|Tx_TxPar|Tx_SQErr)
-#else
#define TX_STA_ERR (Tx_ExColl|Tx_Under|Tx_Defer|Tx_NCarr|Tx_LateColl|Tx_TxPar|Tx_SQErr)
-#endif
static void
tc35815_check_tx_stat(struct net_device *dev, int status)
{
- struct tc35815_local *lp = dev->priv;
+ struct tc35815_local *lp = netdev_priv(dev);
const char *msg = NULL;
/* count collisions */
if (status & Tx_ExColl)
- lp->stats.collisions += 16;
+ dev->stats.collisions += 16;
if (status & Tx_TxColl_MASK)
- lp->stats.collisions += status & Tx_TxColl_MASK;
+ dev->stats.collisions += status & Tx_TxColl_MASK;
+ /* TX4939 does not have NCarr */
+ if (lp->chiptype == TC35815_TX4939)
+ status &= ~Tx_NCarr;
/* WORKAROUND: ignore LostCrS in full duplex operation */
- if (lp->fullduplex)
+ if (!lp->link || lp->duplex == DUPLEX_FULL)
status &= ~Tx_NCarr;
if (!(status & TX_STA_ERR)) {
/* no error. */
- lp->stats.tx_packets++;
+ dev->stats.tx_packets++;
return;
}
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (status & Tx_ExColl) {
- lp->stats.tx_aborted_errors++;
+ dev->stats.tx_aborted_errors++;
msg = "Excessive Collision.";
}
if (status & Tx_Under) {
- lp->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
msg = "Tx FIFO Underrun.";
+ if (lp->lstats.tx_underrun < TX_THRESHOLD_KEEP_LIMIT) {
+ lp->lstats.tx_underrun++;
+ if (lp->lstats.tx_underrun >= TX_THRESHOLD_KEEP_LIMIT) {
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
+ tc_writel(TX_THRESHOLD_MAX, &tr->TxThrsh);
+ msg = "Tx FIFO Underrun.Change Tx threshold to max.";
+ }
+ }
}
if (status & Tx_Defer) {
- lp->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
msg = "Excessive Deferral.";
}
-#ifndef NO_CHECK_CARRIER
if (status & Tx_NCarr) {
- lp->stats.tx_carrier_errors++;
+ dev->stats.tx_carrier_errors++;
msg = "Lost Carrier Sense.";
}
-#endif
if (status & Tx_LateColl) {
- lp->stats.tx_aborted_errors++;
+ dev->stats.tx_aborted_errors++;
msg = "Late Collision.";
}
if (status & Tx_TxPar) {
- lp->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
msg = "Transmit Parity Error.";
}
if (status & Tx_SQErr) {
- lp->stats.tx_heartbeat_errors++;
+ dev->stats.tx_heartbeat_errors++;
msg = "Signal Quality Error.";
}
- if (msg)
+ if (msg && netif_msg_tx_err(lp))
printk(KERN_WARNING "%s: %s (%#x)\n", dev->name, msg, status);
}
+/* This handles TX complete events posted by the device
+ * via interrupts.
+ */
static void
tc35815_txdone(struct net_device *dev)
{
- struct tc35815_local *lp = dev->priv;
- struct tc35815_regs *tr = (struct tc35815_regs*)dev->base_addr;
+ struct tc35815_local *lp = netdev_priv(dev);
struct TxFD *txfd;
unsigned int fdctl;
- int num_done = 0;
txfd = &lp->tfd_base[lp->tfd_end];
while (lp->tfd_start != lp->tfd_end &&
int status = le32_to_cpu(txfd->fd.FDStat);
struct sk_buff *skb;
unsigned long fdnext = le32_to_cpu(txfd->fd.FDNext);
+ u32 fdsystem = le32_to_cpu(txfd->fd.FDSystem);
- if (tc35815_debug > 2) {
+ if (netif_msg_tx_done(lp)) {
printk("%s: complete TxFD.\n", dev->name);
dump_txfd(txfd);
}
tc35815_check_tx_stat(dev, status);
- skb = (struct sk_buff *)le32_to_cpu(txfd->fd.FDSystem);
+ skb = fdsystem != 0xffffffff ?
+ lp->tx_skbs[fdsystem].skb : NULL;
+#ifdef DEBUG
+ if (lp->tx_skbs[lp->tfd_end].skb != skb) {
+ printk("%s: tx_skbs mismatch.\n", dev->name);
+ panic_queues(dev);
+ }
+#else
+ BUG_ON(lp->tx_skbs[lp->tfd_end].skb != skb);
+#endif
if (skb) {
+ dev->stats.tx_bytes += skb->len;
+ pci_unmap_single(lp->pci_dev, lp->tx_skbs[lp->tfd_end].skb_dma, skb->len, PCI_DMA_TODEVICE);
+ lp->tx_skbs[lp->tfd_end].skb = NULL;
+ lp->tx_skbs[lp->tfd_end].skb_dma = 0;
dev_kfree_skb_any(skb);
}
- txfd->fd.FDSystem = cpu_to_le32(0);
+ txfd->fd.FDSystem = cpu_to_le32(0xffffffff);
- num_done++;
lp->tfd_end = (lp->tfd_end + 1) % TX_FD_NUM;
txfd = &lp->tfd_base[lp->tfd_end];
- if ((fdnext & ~FD_Next_EOL) != virt_to_bus(txfd)) {
+#ifdef DEBUG
+ if ((fdnext & ~FD_Next_EOL) != fd_virt_to_bus(lp, txfd)) {
printk("%s: TxFD FDNext invalid.\n", dev->name);
panic_queues(dev);
}
+#endif
if (fdnext & FD_Next_EOL) {
/* DMA Transmitter has been stopping... */
if (lp->tfd_end != lp->tfd_start) {
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
int head = (lp->tfd_start + TX_FD_NUM - 1) % TX_FD_NUM;
- struct TxFD* txhead = &lp->tfd_base[head];
+ struct TxFD *txhead = &lp->tfd_base[head];
int qlen = (lp->tfd_start + TX_FD_NUM
- lp->tfd_end) % TX_FD_NUM;
+#ifdef DEBUG
if (!(le32_to_cpu(txfd->fd.FDCtl) & FD_CownsFD)) {
printk("%s: TxFD FDCtl invalid.\n", dev->name);
panic_queues(dev);
}
+#endif
/* log max queue length */
if (lp->lstats.max_tx_qlen < qlen)
lp->lstats.max_tx_qlen = qlen;
/* start DMA Transmitter again */
txhead->fd.FDNext |= cpu_to_le32(FD_Next_EOL);
-#ifdef GATHER_TXINT
txhead->fd.FDCtl |= cpu_to_le32(FD_FrmOpt_IntTx);
-#endif
- if (tc35815_debug > 2) {
+ if (netif_msg_tx_queued(lp)) {
printk("%s: start TxFD on queue.\n",
dev->name);
dump_txfd(txfd);
}
- tc_writel(virt_to_bus(txfd), &tr->TxFrmPtr);
+ tc_writel(fd_virt_to_bus(lp, txfd), &tr->TxFrmPtr);
}
break;
}
}
- if (num_done > 0 && lp->tbusy) {
- lp->tbusy = 0;
- netif_start_queue(dev);
- }
+ /* If we had stopped the queue due to a "tx full"
+ * condition, and space has now been made available,
+ * wake up the queue.
+ */
+ if (netif_queue_stopped(dev) && !tc35815_tx_full(dev))
+ netif_wake_queue(dev);
}
/* The inverse routine to tc35815_open(). */
static int
tc35815_close(struct net_device *dev)
{
- struct tc35815_local *lp = dev->priv;
+ struct tc35815_local *lp = netdev_priv(dev);
- lp->tbusy = 1;
netif_stop_queue(dev);
+ napi_disable(&lp->napi);
+ if (lp->phy_dev)
+ phy_stop(lp->phy_dev);
+ cancel_work_sync(&lp->restart_work);
/* Flush the Tx and disable Rx here. */
-
tc35815_chip_reset(dev);
free_irq(dev->irq, dev);
tc35815_free_queues(dev);
return 0;
+
}
/*
*/
static struct net_device_stats *tc35815_get_stats(struct net_device *dev)
{
- struct tc35815_local *lp = dev->priv;
- struct tc35815_regs *tr = (struct tc35815_regs*)dev->base_addr;
- unsigned long flags;
-
- if (netif_running(dev)) {
- spin_lock_irqsave(&lp->lock, flags);
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
+ if (netif_running(dev))
/* Update the statistics from the device registers. */
- lp->stats.rx_missed_errors = tc_readl(&tr->Miss_Cnt);
- spin_unlock_irqrestore(&lp->lock, flags);
- }
+ dev->stats.rx_missed_errors += tc_readl(&tr->Miss_Cnt);
- return &lp->stats;
+ return &dev->stats;
}
-static void tc35815_set_cam_entry(struct tc35815_regs *tr, int index, unsigned char *addr)
+static void tc35815_set_cam_entry(struct net_device *dev, int index, unsigned char *addr)
{
+ struct tc35815_local *lp = netdev_priv(dev);
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
int cam_index = index * 6;
- unsigned long cam_data;
- unsigned long saved_addr;
+ u32 cam_data;
+ u32 saved_addr;
+
saved_addr = tc_readl(&tr->CAM_Adr);
- if (tc35815_debug > 1) {
- int i;
- printk(KERN_DEBUG "%s: CAM %d:", cardname, index);
- for (i = 0; i < 6; i++)
- printk(" %02x", addr[i]);
- printk("\n");
- }
+ if (netif_msg_hw(lp))
+ printk(KERN_DEBUG "%s: CAM %d: %pM\n",
+ dev->name, index, addr);
if (index & 1) {
/* read modify write */
tc_writel(cam_index - 2, &tr->CAM_Adr);
tc_writel(cam_data, &tr->CAM_Data);
}
- if (tc35815_debug > 2) {
- int i;
- for (i = cam_index / 4; i < cam_index / 4 + 2; i++) {
- tc_writel(i * 4, &tr->CAM_Adr);
- printk("CAM 0x%x: %08lx",
- i * 4, tc_readl(&tr->CAM_Data));
- }
- }
tc_writel(saved_addr, &tr->CAM_Adr);
}
static void
tc35815_set_multicast_list(struct net_device *dev)
{
- struct tc35815_regs *tr = (struct tc35815_regs*)dev->base_addr;
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
+
+ if (dev->flags & IFF_PROMISC) {
+ /* With some (all?) 100MHalf HUB, controller will hang
+ * if we enabled promiscuous mode before linkup... */
+ struct tc35815_local *lp = netdev_priv(dev);
- if (dev->flags&IFF_PROMISC)
- {
+ if (!lp->link)
+ return;
/* Enable promiscuous mode */
tc_writel(CAM_CompEn | CAM_BroadAcc | CAM_GroupAcc | CAM_StationAcc, &tr->CAM_Ctl);
- }
- else if((dev->flags&IFF_ALLMULTI) || dev->mc_count > CAM_ENTRY_MAX - 3)
- {
+ } else if ((dev->flags & IFF_ALLMULTI) ||
+ netdev_mc_count(dev) > CAM_ENTRY_MAX - 3) {
/* CAM 0, 1, 20 are reserved. */
/* Disable promiscuous mode, use normal mode. */
tc_writel(CAM_CompEn | CAM_BroadAcc | CAM_GroupAcc, &tr->CAM_Ctl);
- }
- else if(dev->mc_count)
- {
- struct dev_mc_list* cur_addr = dev->mc_list;
+ } else if (!netdev_mc_empty(dev)) {
+ struct netdev_hw_addr *ha;
int i;
int ena_bits = CAM_Ena_Bit(CAM_ENTRY_SOURCE);
tc_writel(0, &tr->CAM_Ctl);
/* Walk the address list, and load the filter */
- for (i = 0; i < dev->mc_count; i++, cur_addr = cur_addr->next) {
- if (!cur_addr)
- break;
+ i = 0;
+ netdev_for_each_mc_addr(ha, dev) {
/* entry 0,1 is reserved. */
- tc35815_set_cam_entry(tr, i + 2, cur_addr->dmi_addr);
+ tc35815_set_cam_entry(dev, i + 2, ha->addr);
ena_bits |= CAM_Ena_Bit(i + 2);
+ i++;
}
tc_writel(ena_bits, &tr->CAM_Ena);
tc_writel(CAM_CompEn | CAM_BroadAcc, &tr->CAM_Ctl);
- }
- else {
+ } else {
tc_writel(CAM_Ena_Bit(CAM_ENTRY_SOURCE), &tr->CAM_Ena);
tc_writel(CAM_CompEn | CAM_BroadAcc, &tr->CAM_Ctl);
}
}
-static unsigned long tc_phy_read(struct net_device *dev, struct tc35815_regs *tr, int phy, int phy_reg)
+static void tc35815_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
- struct tc35815_local *lp = dev->priv;
- unsigned long data;
- unsigned long flags;
-
- spin_lock_irqsave(&lp->lock, flags);
+ struct tc35815_local *lp = netdev_priv(dev);
+ strcpy(info->driver, MODNAME);
+ strcpy(info->version, DRV_VERSION);
+ strcpy(info->bus_info, pci_name(lp->pci_dev));
+}
- tc_writel(MD_CA_Busy | (phy << 5) | phy_reg, &tr->MD_CA);
- while (tc_readl(&tr->MD_CA) & MD_CA_Busy)
- ;
- data = tc_readl(&tr->MD_Data);
- spin_unlock_irqrestore(&lp->lock, flags);
- return data;
+static int tc35815_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct tc35815_local *lp = netdev_priv(dev);
+
+ if (!lp->phy_dev)
+ return -ENODEV;
+ return phy_ethtool_gset(lp->phy_dev, cmd);
}
-static void tc_phy_write(struct net_device *dev, unsigned long d, struct tc35815_regs *tr, int phy, int phy_reg)
+static int tc35815_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
- struct tc35815_local *lp = dev->priv;
- unsigned long flags;
+ struct tc35815_local *lp = netdev_priv(dev);
- spin_lock_irqsave(&lp->lock, flags);
+ if (!lp->phy_dev)
+ return -ENODEV;
+ return phy_ethtool_sset(lp->phy_dev, cmd);
+}
- tc_writel(d, &tr->MD_Data);
- tc_writel(MD_CA_Busy | MD_CA_Wr | (phy << 5) | phy_reg, &tr->MD_CA);
- while (tc_readl(&tr->MD_CA) & MD_CA_Busy)
- ;
- spin_unlock_irqrestore(&lp->lock, flags);
+static u32 tc35815_get_msglevel(struct net_device *dev)
+{
+ struct tc35815_local *lp = netdev_priv(dev);
+ return lp->msg_enable;
}
-static void tc35815_phy_chip_init(struct net_device *dev)
+static void tc35815_set_msglevel(struct net_device *dev, u32 datum)
{
- struct tc35815_local *lp = dev->priv;
- struct tc35815_regs *tr = (struct tc35815_regs*)dev->base_addr;
- static int first = 1;
- unsigned short ctl;
-
- if (first) {
- unsigned short id0, id1;
- int count;
- first = 0;
-
- /* first data written to the PHY will be an ID number */
- tc_phy_write(dev, 0, tr, 0, MII_CONTROL); /* ID:0 */
-#if 0
- tc_phy_write(dev, MIICNTL_RESET, tr, 0, MII_CONTROL);
- printk(KERN_INFO "%s: Resetting PHY...", dev->name);
- while (tc_phy_read(dev, tr, 0, MII_CONTROL) & MIICNTL_RESET)
- ;
- printk("\n");
- tc_phy_write(dev, MIICNTL_AUTO|MIICNTL_SPEED|MIICNTL_FDX, tr, 0,
- MII_CONTROL);
-#endif
- id0 = tc_phy_read(dev, tr, 0, MII_PHY_ID0);
- id1 = tc_phy_read(dev, tr, 0, MII_PHY_ID1);
- printk(KERN_DEBUG "%s: PHY ID %04x %04x\n", dev->name,
- id0, id1);
- if (lp->option & TC35815_OPT_10M) {
- lp->linkspeed = 10;
- lp->fullduplex = (lp->option & TC35815_OPT_FULLDUP) != 0;
- } else if (lp->option & TC35815_OPT_100M) {
- lp->linkspeed = 100;
- lp->fullduplex = (lp->option & TC35815_OPT_FULLDUP) != 0;
- } else {
- /* auto negotiation */
- unsigned long neg_result;
- tc_phy_write(dev, MIICNTL_AUTO | MIICNTL_RST_AUTO, tr, 0, MII_CONTROL);
- printk(KERN_INFO "%s: Auto Negotiation...", dev->name);
- count = 0;
- while (!(tc_phy_read(dev, tr, 0, MII_STATUS) & MIISTAT_AUTO_DONE)) {
- if (count++ > 5000) {
- printk(" failed. Assume 10Mbps\n");
- lp->linkspeed = 10;
- lp->fullduplex = 0;
- goto done;
- }
- if (count % 512 == 0)
- printk(".");
- mdelay(1);
- }
- printk(" done.\n");
- neg_result = tc_phy_read(dev, tr, 0, MII_ANLPAR);
- if (neg_result & (MII_AN_TX_FDX | MII_AN_TX_HDX))
- lp->linkspeed = 100;
- else
- lp->linkspeed = 10;
- if (neg_result & (MII_AN_TX_FDX | MII_AN_10_FDX))
- lp->fullduplex = 1;
- else
- lp->fullduplex = 0;
- done:
- ;
- }
- }
+ struct tc35815_local *lp = netdev_priv(dev);
+ lp->msg_enable = datum;
+}
- ctl = 0;
- if (lp->linkspeed == 100)
- ctl |= MIICNTL_SPEED;
- if (lp->fullduplex)
- ctl |= MIICNTL_FDX;
- tc_phy_write(dev, ctl, tr, 0, MII_CONTROL);
+static int tc35815_get_sset_count(struct net_device *dev, int sset)
+{
+ struct tc35815_local *lp = netdev_priv(dev);
- if (lp->fullduplex) {
- tc_writel(tc_readl(&tr->MAC_Ctl) | MAC_FullDup, &tr->MAC_Ctl);
+ switch (sset) {
+ case ETH_SS_STATS:
+ return sizeof(lp->lstats) / sizeof(int);
+ default:
+ return -EOPNOTSUPP;
}
}
-static void tc35815_chip_reset(struct net_device *dev)
+static void tc35815_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data)
+{
+ struct tc35815_local *lp = netdev_priv(dev);
+ data[0] = lp->lstats.max_tx_qlen;
+ data[1] = lp->lstats.tx_ints;
+ data[2] = lp->lstats.rx_ints;
+ data[3] = lp->lstats.tx_underrun;
+}
+
+static struct {
+ const char str[ETH_GSTRING_LEN];
+} ethtool_stats_keys[] = {
+ { "max_tx_qlen" },
+ { "tx_ints" },
+ { "rx_ints" },
+ { "tx_underrun" },
+};
+
+static void tc35815_get_strings(struct net_device *dev, u32 stringset, u8 *data)
{
- struct tc35815_regs *tr = (struct tc35815_regs*)dev->base_addr;
+ memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
+}
+
+static const struct ethtool_ops tc35815_ethtool_ops = {
+ .get_drvinfo = tc35815_get_drvinfo,
+ .get_settings = tc35815_get_settings,
+ .set_settings = tc35815_set_settings,
+ .get_link = ethtool_op_get_link,
+ .get_msglevel = tc35815_get_msglevel,
+ .set_msglevel = tc35815_set_msglevel,
+ .get_strings = tc35815_get_strings,
+ .get_sset_count = tc35815_get_sset_count,
+ .get_ethtool_stats = tc35815_get_ethtool_stats,
+};
+
+static int tc35815_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+ struct tc35815_local *lp = netdev_priv(dev);
+
+ if (!netif_running(dev))
+ return -EINVAL;
+ if (!lp->phy_dev)
+ return -ENODEV;
+ return phy_mii_ioctl(lp->phy_dev, if_mii(rq), cmd);
+}
+static void tc35815_chip_reset(struct net_device *dev)
+{
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
+ int i;
/* reset the controller */
tc_writel(MAC_Reset, &tr->MAC_Ctl);
- while (tc_readl(&tr->MAC_Ctl) & MAC_Reset)
- ;
-
+ udelay(4); /* 3200ns */
+ i = 0;
+ while (tc_readl(&tr->MAC_Ctl) & MAC_Reset) {
+ if (i++ > 100) {
+ printk(KERN_ERR "%s: MAC reset failed.\n", dev->name);
+ break;
+ }
+ mdelay(1);
+ }
tc_writel(0, &tr->MAC_Ctl);
/* initialize registers to default value */
tc_writel(0, &tr->CAM_Ena);
(void)tc_readl(&tr->Miss_Cnt); /* Read to clear */
+ /* initialize internal SRAM */
+ tc_writel(DMA_TestMode, &tr->DMA_Ctl);
+ for (i = 0; i < 0x1000; i += 4) {
+ tc_writel(i, &tr->CAM_Adr);
+ tc_writel(0, &tr->CAM_Data);
+ }
+ tc_writel(0, &tr->DMA_Ctl);
}
static void tc35815_chip_init(struct net_device *dev)
{
- struct tc35815_local *lp = dev->priv;
- struct tc35815_regs *tr = (struct tc35815_regs*)dev->base_addr;
- unsigned long flags;
+ struct tc35815_local *lp = netdev_priv(dev);
+ struct tc35815_regs __iomem *tr =
+ (struct tc35815_regs __iomem *)dev->base_addr;
unsigned long txctl = TX_CTL_CMD;
- tc35815_phy_chip_init(dev);
-
/* load station address to CAM */
- tc35815_set_cam_entry(tr, CAM_ENTRY_SOURCE, dev->dev_addr);
+ tc35815_set_cam_entry(dev, CAM_ENTRY_SOURCE, dev->dev_addr);
/* Enable CAM (broadcast and unicast) */
tc_writel(CAM_Ena_Bit(CAM_ENTRY_SOURCE), &tr->CAM_Ena);
tc_writel(CAM_CompEn | CAM_BroadAcc, &tr->CAM_Ctl);
- spin_lock_irqsave(&lp->lock, flags);
-
- tc_writel(DMA_BURST_SIZE, &tr->DMA_Ctl);
-
- tc_writel(RxFrag_EnPack | ETH_ZLEN, &tr->RxFragSize); /* Packing */
+ /* Use DMA_RxAlign_2 to make IP header 4-byte aligned. */
+ if (HAVE_DMA_RXALIGN(lp))
+ tc_writel(DMA_BURST_SIZE | DMA_RxAlign_2, &tr->DMA_Ctl);
+ else
+ tc_writel(DMA_BURST_SIZE, &tr->DMA_Ctl);
tc_writel(0, &tr->TxPollCtr); /* Batch mode */
tc_writel(TX_THRESHOLD, &tr->TxThrsh);
tc_writel(INT_EN_CMD, &tr->Int_En);
/* set queues */
- tc_writel(virt_to_bus(lp->rfd_base), &tr->FDA_Bas);
+ tc_writel(fd_virt_to_bus(lp, lp->rfd_base), &tr->FDA_Bas);
tc_writel((unsigned long)lp->rfd_limit - (unsigned long)lp->rfd_base,
&tr->FDA_Lim);
/*
* Activation method:
- * First, enable eht MAC Transmitter and the DMA Receive circuits.
+ * First, enable the MAC Transmitter and the DMA Receive circuits.
* Then enable the DMA Transmitter and the MAC Receive circuits.
*/
- tc_writel(virt_to_bus(lp->fbl_ptr), &tr->BLFrmPtr); /* start DMA receiver */
+ tc_writel(fd_virt_to_bus(lp, lp->fbl_ptr), &tr->BLFrmPtr); /* start DMA receiver */
tc_writel(RX_CTL_CMD, &tr->Rx_Ctl); /* start MAC receiver */
+
/* start MAC transmitter */
+ /* TX4939 does not have EnLCarr */
+ if (lp->chiptype == TC35815_TX4939)
+ txctl &= ~Tx_EnLCarr;
/* WORKAROUND: ignore LostCrS in full duplex operation */
- if (lp->fullduplex)
- txctl = TX_CTL_CMD & ~Tx_EnLCarr;
-#ifdef GATHER_TXINT
- txctl &= ~Tx_EnComp; /* disable global tx completion int. */
-#endif
+ if (!lp->phy_dev || !lp->link || lp->duplex == DUPLEX_FULL)
+ txctl &= ~Tx_EnLCarr;
tc_writel(txctl, &tr->Tx_Ctl);
-#if 0 /* No need to polling */
- tc_writel(virt_to_bus(lp->tfd_base), &tr->TxFrmPtr); /* start DMA transmitter */
-#endif
- spin_unlock_irqrestore(&lp->lock, flags);
}
-/* XXX */
-void
-tc35815_killall(void)
+#ifdef CONFIG_PM
+static int tc35815_suspend(struct pci_dev *pdev, pm_message_t state)
{
- struct net_device *dev;
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct tc35815_local *lp = netdev_priv(dev);
+ unsigned long flags;
- for (dev = root_tc35815_dev; dev; dev = ((struct tc35815_local *)dev->priv)->next_module) {
- if (dev->flags&IFF_UP){
- dev->stop(dev);
- }
- }
+ pci_save_state(pdev);
+ if (!netif_running(dev))
+ return 0;
+ netif_device_detach(dev);
+ if (lp->phy_dev)
+ phy_stop(lp->phy_dev);
+ spin_lock_irqsave(&lp->lock, flags);
+ tc35815_chip_reset(dev);
+ spin_unlock_irqrestore(&lp->lock, flags);
+ pci_set_power_state(pdev, PCI_D3hot);
+ return 0;
}
-static struct pci_driver tc35815_driver = {
- .name = TC35815_MODULE_NAME,
- .probe = tc35815_probe,
- .remove = NULL,
- .id_table = tc35815_pci_tbl,
+static int tc35815_resume(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct tc35815_local *lp = netdev_priv(dev);
+
+ pci_restore_state(pdev);
+ if (!netif_running(dev))
+ return 0;
+ pci_set_power_state(pdev, PCI_D0);
+ tc35815_restart(dev);
+ netif_carrier_off(dev);
+ if (lp->phy_dev)
+ phy_start(lp->phy_dev);
+ netif_device_attach(dev);
+ return 0;
+}
+#endif /* CONFIG_PM */
+
+static struct pci_driver tc35815_pci_driver = {
+ .name = MODNAME,
+ .id_table = tc35815_pci_tbl,
+ .probe = tc35815_init_one,
+ .remove = __devexit_p(tc35815_remove_one),
+#ifdef CONFIG_PM
+ .suspend = tc35815_suspend,
+ .resume = tc35815_resume,
+#endif
};
+module_param_named(speed, options.speed, int, 0);
+MODULE_PARM_DESC(speed, "0:auto, 10:10Mbps, 100:100Mbps");
+module_param_named(duplex, options.duplex, int, 0);
+MODULE_PARM_DESC(duplex, "0:auto, 1:half, 2:full");
+
static int __init tc35815_init_module(void)
{
- return pci_register_driver(&tc35815_driver);
+ return pci_register_driver(&tc35815_pci_driver);
}
static void __exit tc35815_cleanup_module(void)
{
- struct net_device *next_dev;
-
- while (root_tc35815_dev) {
- struct net_device *dev = root_tc35815_dev;
- next_dev = ((struct tc35815_local *)dev->priv)->next_module;
- iounmap((void *)(dev->base_addr));
- unregister_netdev(dev);
- free_netdev(dev);
- root_tc35815_dev = next_dev;
- }
+ pci_unregister_driver(&tc35815_pci_driver);
}
+
module_init(tc35815_init_module);
module_exit(tc35815_cleanup_module);
+
+MODULE_DESCRIPTION("TOSHIBA TC35815 PCI 10M/100M Ethernet driver");
+MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff