X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Ftc35815.c;h=be08b75dbc15a3d2d6adaf8d76c6d1de83c4d362;hb=dd7496f217462a23a9a8a15b9925866eaad76e22;hp=eae2b63951f1ac78d4e8f856e11bd3cfded63ece;hpb=420e85241e41fc84b8f5b26c811beb03c472b679;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index eae2b63..be08b75 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -1,35 +1,30 @@
-/* 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>
@@ -38,8 +33,10 @@ static const char *version =
 #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>
@@ -47,262 +44,236 @@ static const char *version =
 #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		     */
 
 
 /*
@@ -326,58 +297,67 @@ struct BDesc {
 #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;
@@ -392,170 +372,386 @@ struct RxFD {
 
 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);
-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;
+
+/* Example routines you must write ;->. */
+static void	tc35815_chip_reset(struct net_device *dev);
+static void	tc35815_chip_init(struct net_device *dev);
 
-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);
+#ifdef DEBUG
+static void	panic_queues(struct net_device *dev);
+#endif
 
-/* A list of all installed tc35815 devices. */
-static struct net_device *root_tc35815_dev = NULL;
+static void tc35815_restart_work(struct work_struct *work);
 
-/*
- * 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 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;
+}
 
-MODULE_DEVICE_TABLE (pci, tc35815_pci_tbl);
+static int tc_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 val)
+{
+	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;
+}
 
-int
-tc35815_probe(struct pci_dev *pdev,
-		const struct pci_device_id *ent)
+static void tc_handle_link_change(struct net_device *dev)
 {
-	int err = 0;
-	int ret;
-	unsigned long pci_memaddr;
-	unsigned int pci_irq_line;
+	struct tc35815_local *lp = netdev_priv(dev);
+	struct phy_device *phydev = lp->phy_dev;
+	unsigned long flags;
+	int status_change = 0;
 
-	printk(KERN_INFO "tc35815_probe: found device %#08x.%#08x\n", ent->vendor, ent->device);
+	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);
 
-	err = pci_enable_device(pdev);
-	if (err)
-		return err;
+		/*
+		 * 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;
+	}
 
-        pci_memaddr = pci_resource_start (pdev, 1);
+	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;
 
-        printk(KERN_INFO "    pci_memaddr=%#08lx  resource_flags=%#08lx\n", pci_memaddr, pci_resource_flags (pdev, 0));
+		status_change = 1;
+	}
+	spin_unlock_irqrestore(&lp->lock, flags);
 
-	if (!pci_memaddr) {
-		printk(KERN_WARNING "no PCI MEM resources, aborting\n");
-		ret = -ENODEV;
-		goto err_out;
+	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));
 	}
-	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;
+}
+
+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;
+		}
 	}
 
-	ret =  tc35815_probe1(pdev, pci_memaddr, pci_irq_line);
-	if (ret)
-		goto err_out;
+	if (!phydev) {
+		printk(KERN_ERR "%s: no PHY found\n", dev->name);
+		return -ENODEV;
+	}
 
-	pci_set_master(pdev);
+	/* 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;
 
 	return 0;
-
-err_out:
-	pci_disable_device(pdev);
-	return ret;
 }
 
-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) {
@@ -567,157 +763,269 @@ static int __devinit tc35815_probe1(struct pci_dev *pdev, unsigned int base_addr
 		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;
 
-	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");
+	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);
+
+	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);
-			return -ENOMEM;
-		}
-
-		if ((lp->fd_buf = (void *)__get_free_pages(GFP_KERNEL, FD_PAGE_ORDER)) == 0)
+		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;
-		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 {
-		memset(lp->fd_buf, 0, PAGE_SIZE * FD_PAGE_NUM);
-#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);
@@ -726,33 +1034,50 @@ tc35815_clear_queues(struct net_device *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
@@ -782,7 +1107,7 @@ dump_rxfd(struct RxFD *fd)
 	       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",
@@ -792,6 +1117,7 @@ dump_rxfd(struct RxFD *fd)
 	return bd_count;
 }
 
+#ifdef DEBUG
 static void
 dump_frfd(struct FrFD *fd)
 {
@@ -802,7 +1128,7 @@ 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));
@@ -812,10 +1138,10 @@ dump_frfd(struct FrFD *fd)
 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);
@@ -829,41 +1155,91 @@ panic_queues(struct net_device *dev)
 	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);
+}
 
-	printk("print_buf(%08x)(%x)\n", (unsigned int) add,length);
+static void tc35815_restart(struct net_device *dev)
+{
+	struct tc35815_local *lp = netdev_priv(dev);
+
+	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(KERN_WARNING "%s: transmit timed out, status %#x\n",
+	       dev->name, tc_readl(&tr->Tx_Stat));
 
-	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]);
+	/* 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
@@ -873,16 +1249,15 @@ static void print_eth(char *add)
 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);
 
@@ -891,139 +1266,122 @@ tc35815_open(struct net_device *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);
+
+	netif_carrier_off(dev);
+	/* schedule a link state check */
+	phy_start(lp->phy_dev);
 
-	lp->tbusy = 0;
+	/* 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)
@@ -1033,156 +1391,183 @@ static void tc35815_fatal_error_interrupt(struct net_device *dev, int status)
 	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);
+}
+
+static int tc35815_do_interrupt(struct net_device *dev, u32 status, int limit)
+{
+	struct tc35815_local *lp = netdev_priv(dev);
+	int ret = -1;
+
+	/* 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;
+	}
+
+	/* 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;
 }
 
 /*
  * The typical workload of the driver:
- *   Handle the network interface interrupts.
+ * Handle the network interface interrupts.
  */
 static irqreturn_t tc35815_interrupt(int irq, void *dev_id)
 {
 	struct net_device *dev = dev_id;
-	struct tc35815_regs *tr;
-	struct tc35815_local *lp;
-	int status, boguscount = 0;
-	int handled = 0;
-
-	if (dev == NULL) {
-		printk(KERN_WARNING "%s: irq %d for unknown device.\n", cardname, irq);
-		return IRQ_NONE;
-	}
-
-	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 */
-
-		/* 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++;
+	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();
 		}
-		/* 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);
-		}
-	} 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) {
@@ -1190,134 +1575,193 @@ tc35815_rx(struct net_device *dev)
 			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 &&
@@ -1325,38 +1769,57 @@ tc35815_txdone(struct net_device *dev)
 		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;
@@ -1364,43 +1827,46 @@ tc35815_txdone(struct net_device *dev)
 
 				/* 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;
+
 }
 
 /*
@@ -1409,34 +1875,29 @@ tc35815_close(struct net_device *dev)
  */
 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);
@@ -1459,14 +1920,6 @@ static void tc35815_set_cam_entry(struct tc35815_regs *tr, int index, unsigned c
 		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);
 }
 
@@ -1481,159 +1934,157 @@ static void tc35815_set_cam_entry(struct tc35815_regs *tr, int index, unsigned c
 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)
-	{
+	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 (!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;
+	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));
+}
 
-	spin_lock_irqsave(&lp->lock, flags);
+static int tc35815_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	struct tc35815_local *lp = netdev_priv(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;
+	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)
+{
+	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_regs *tr = (struct tc35815_regs*)dev->base_addr;
+	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 */
@@ -1651,103 +2102,126 @@ static void tc35815_chip_reset(struct net_device *dev)
 	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;
-
-	/*
-	 * TODO: implement a tc35815_driver.remove hook, and
-	 * move this code into that function.  Then, delete
-	 * all root_tc35815_dev list handling code.
-	 */
-	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_driver);
+	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");