drivers/net/spider_net.h - fp2-dev/kernel/msm - Gitiles

 /*
  * Network device driver for Cell Processor-Based Blade
  *
  * (C) Copyright IBM Corp. 2005
  *
  * Authors : Utz Bacher <utz.bacher@de.ibm.com>
  *           Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
  *
  * 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, or (at your option)
  * any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

 #ifndef _SPIDER_NET_H
 #define _SPIDER_NET_H

 #define VERSION "1.1 A"

 #include "sungem_phy.h"

 extern int spider_net_stop(struct net_device *netdev);
 extern int spider_net_open(struct net_device *netdev);

 extern const struct ethtool_ops spider_net_ethtool_ops;

 extern char spider_net_driver_name[];

 #define SPIDER_NET_MAX_FRAME			2312
 #define SPIDER_NET_MAX_MTU			2294
 #define SPIDER_NET_MIN_MTU			64

 #define SPIDER_NET_RXBUF_ALIGN			128

 #define SPIDER_NET_RX_DESCRIPTORS_DEFAULT	256
 #define SPIDER_NET_RX_DESCRIPTORS_MIN		16
 #define SPIDER_NET_RX_DESCRIPTORS_MAX		512

 #define SPIDER_NET_TX_DESCRIPTORS_DEFAULT	256
 #define SPIDER_NET_TX_DESCRIPTORS_MIN		16
 #define SPIDER_NET_TX_DESCRIPTORS_MAX		512

 #define SPIDER_NET_TX_TIMER			20

 #define SPIDER_NET_RX_CSUM_DEFAULT		1

 #define SPIDER_NET_WATCHDOG_TIMEOUT		50*HZ
 #define SPIDER_NET_NAPI_WEIGHT			64

 #define SPIDER_NET_FIRMWARE_SEQS	6
 #define SPIDER_NET_FIRMWARE_SEQWORDS	1024
 #define SPIDER_NET_FIRMWARE_LEN		(SPIDER_NET_FIRMWARE_SEQS * \
 					 SPIDER_NET_FIRMWARE_SEQWORDS * \
 					 sizeof(u32))
 #define SPIDER_NET_FIRMWARE_NAME	"spider_fw.bin"

 /** spider_net SMMIO registers */
 #define SPIDER_NET_GHIINT0STS		0x00000000
 #define SPIDER_NET_GHIINT1STS		0x00000004
 #define SPIDER_NET_GHIINT2STS		0x00000008
 #define SPIDER_NET_GHIINT0MSK		0x00000010
 #define SPIDER_NET_GHIINT1MSK		0x00000014
 #define SPIDER_NET_GHIINT2MSK		0x00000018

 #define SPIDER_NET_GRESUMINTNUM		0x00000020
 #define SPIDER_NET_GREINTNUM		0x00000024

 #define SPIDER_NET_GFFRMNUM		0x00000028
 #define SPIDER_NET_GFAFRMNUM		0x0000002c
 #define SPIDER_NET_GFBFRMNUM		0x00000030
 #define SPIDER_NET_GFCFRMNUM		0x00000034
 #define SPIDER_NET_GFDFRMNUM		0x00000038

 /* clear them (don't use it) */
 #define SPIDER_NET_GFREECNNUM		0x0000003c
 #define SPIDER_NET_GONETIMENUM		0x00000040

 #define SPIDER_NET_GTOUTFRMNUM		0x00000044

 #define SPIDER_NET_GTXMDSET		0x00000050
 #define SPIDER_NET_GPCCTRL		0x00000054
 #define SPIDER_NET_GRXMDSET		0x00000058
 #define SPIDER_NET_GIPSECINIT		0x0000005c
 #define SPIDER_NET_GFTRESTRT		0x00000060
 #define SPIDER_NET_GRXDMAEN		0x00000064
 #define SPIDER_NET_GMRWOLCTRL		0x00000068
 #define SPIDER_NET_GPCWOPCMD		0x0000006c
 #define SPIDER_NET_GPCROPCMD		0x00000070
 #define SPIDER_NET_GTTFRMCNT		0x00000078
 #define SPIDER_NET_GTESTMD		0x0000007c

 #define SPIDER_NET_GSINIT		0x00000080
 #define SPIDER_NET_GSnPRGADR		0x00000084
 #define SPIDER_NET_GSnPRGDAT		0x00000088

 #define SPIDER_NET_GMACOPEMD		0x00000100
 #define SPIDER_NET_GMACLENLMT		0x00000108
 #define SPIDER_NET_GMACINTEN		0x00000118
 #define SPIDER_NET_GMACPHYCTRL		0x00000120

 #define SPIDER_NET_GMACAPAUSE		0x00000154
 #define SPIDER_NET_GMACTXPAUSE		0x00000164

 #define SPIDER_NET_GMACMODE		0x000001b0
 #define SPIDER_NET_GMACBSTLMT		0x000001b4

 #define SPIDER_NET_GMACUNIMACU		0x000001c0
 #define SPIDER_NET_GMACUNIMACL		0x000001c8

 #define SPIDER_NET_GMRMHFILnR		0x00000400
 #define SPIDER_NET_MULTICAST_HASHES	256

 #define SPIDER_NET_GMRUAFILnR		0x00000500
 #define SPIDER_NET_GMRUA0FIL15R		0x00000578

 #define SPIDER_NET_GTTQMSK		0x00000934

 /* RX DMA controller registers, all 0x00000a.. are for DMA controller A,
  * 0x00000b.. for DMA controller B, etc. */
 #define SPIDER_NET_GDADCHA		0x00000a00
 #define SPIDER_NET_GDADMACCNTR		0x00000a04
 #define SPIDER_NET_GDACTDPA		0x00000a08
 #define SPIDER_NET_GDACTDCNT		0x00000a0c
 #define SPIDER_NET_GDACDBADDR		0x00000a20
 #define SPIDER_NET_GDACDBSIZE		0x00000a24
 #define SPIDER_NET_GDACNEXTDA		0x00000a28
 #define SPIDER_NET_GDACCOMST		0x00000a2c
 #define SPIDER_NET_GDAWBCOMST		0x00000a30
 #define SPIDER_NET_GDAWBRSIZE		0x00000a34
 #define SPIDER_NET_GDAWBVSIZE		0x00000a38
 #define SPIDER_NET_GDAWBTRST		0x00000a3c
 #define SPIDER_NET_GDAWBTRERR		0x00000a40

 /* TX DMA controller registers */
 #define SPIDER_NET_GDTDCHA		0x00000e00
 #define SPIDER_NET_GDTDMACCNTR		0x00000e04
 #define SPIDER_NET_GDTCDPA		0x00000e08
 #define SPIDER_NET_GDTDMASEL		0x00000e14

 #define SPIDER_NET_ECMODE		0x00000f00
 /* clock and reset control register */
 #define SPIDER_NET_CKRCTRL		0x00000ff0

 /** SCONFIG registers */
 #define SPIDER_NET_SCONFIG_IOACTE	0x00002810

 /** interrupt mask registers */
 #define SPIDER_NET_INT0_MASK_VALUE	0x3f7fe2c7
 #define SPIDER_NET_INT1_MASK_VALUE	0xffff7ff7
 /* no MAC aborts -> auto retransmission */
 #define SPIDER_NET_INT2_MASK_VALUE	0xffef7ff1

 /* we rely on flagged descriptor interrupts */
 #define SPIDER_NET_FRAMENUM_VALUE	0x00000000
 /* set this first, then the FRAMENUM_VALUE */
 #define SPIDER_NET_GFXFRAMES_VALUE	0x00000000

 #define SPIDER_NET_STOP_SEQ_VALUE	0x00000000
 #define SPIDER_NET_RUN_SEQ_VALUE	0x0000007e

 #define SPIDER_NET_PHY_CTRL_VALUE	0x00040040
 /* #define SPIDER_NET_PHY_CTRL_VALUE	0x01070080*/
 #define SPIDER_NET_RXMODE_VALUE		0x00000011
 /* auto retransmission in case of MAC aborts */
 #define SPIDER_NET_TXMODE_VALUE		0x00010000
 #define SPIDER_NET_RESTART_VALUE	0x00000000
 #define SPIDER_NET_WOL_VALUE		0x00001111
 #if 0
 #define SPIDER_NET_WOL_VALUE		0x00000000
 #endif
 #define SPIDER_NET_IPSECINIT_VALUE	0x6f716f71

 /* pause frames: automatic, no upper retransmission count */
 /* outside loopback mode: ETOMOD signal dont matter, not connected */
 #define SPIDER_NET_OPMODE_VALUE		0x00000063
 /*#define SPIDER_NET_OPMODE_VALUE		0x001b0062*/
 #define SPIDER_NET_LENLMT_VALUE		0x00000908

 #define SPIDER_NET_MACAPAUSE_VALUE	0x00000800 /* about 1 ms */
 #define SPIDER_NET_TXPAUSE_VALUE	0x00000000

 #define SPIDER_NET_MACMODE_VALUE	0x00000001
 #define SPIDER_NET_BURSTLMT_VALUE	0x00000200 /* about 16 us */

 /* DMAC control register GDMACCNTR
  *
  * 1(0)				enable r/tx dma
  *  0000000				fixed to 0
  *
  *         000000			fixed to 0
  *               0(1)			en/disable descr writeback on force end
  *                0(1)			force end
  *
  *                 000000		fixed to 0
  *                       00		burst alignment: 128 bytes
  *                       11		burst alignment: 1024 bytes
  *
  *                         00000	fixed to 0
  *                              0	descr writeback size 32 bytes
  *                               0(1)	descr chain end interrupt enable
  *                                0(1)	descr status writeback enable */

 /* to set RX_DMA_EN */
 #define SPIDER_NET_DMA_RX_VALUE		0x80000000
 #define SPIDER_NET_DMA_RX_FEND_VALUE	0x00030003
 /* to set TX_DMA_EN */
 #define SPIDER_NET_TX_DMA_EN           0x80000000
 #define SPIDER_NET_GDTBSTA             0x00000300
 #define SPIDER_NET_GDTDCEIDIS          0x00000002
 #define SPIDER_NET_DMA_TX_VALUE        SPIDER_NET_TX_DMA_EN | \
                                        SPIDER_NET_GDTBSTA | \
                                        SPIDER_NET_GDTDCEIDIS

 #define SPIDER_NET_DMA_TX_FEND_VALUE	0x00030003

 /* SPIDER_NET_UA_DESCR_VALUE is OR'ed with the unicast address */
 #define SPIDER_NET_UA_DESCR_VALUE	0x00080000
 #define SPIDER_NET_PROMISC_VALUE	0x00080000
 #define SPIDER_NET_NONPROMISC_VALUE	0x00000000

 #define SPIDER_NET_DMASEL_VALUE		0x00000001

 #define SPIDER_NET_ECMODE_VALUE		0x00000000

 #define SPIDER_NET_CKRCTRL_RUN_VALUE	0x1fff010f
 #define SPIDER_NET_CKRCTRL_STOP_VALUE	0x0000010f

 #define SPIDER_NET_SBIMSTATE_VALUE	0x00000000
 #define SPIDER_NET_SBTMSTATE_VALUE	0x00000000

 /* SPIDER_NET_GHIINT0STS bits, in reverse order so that they can be used
  * with 1 << SPIDER_NET_... */
 enum spider_net_int0_status {
 	SPIDER_NET_GPHYINT = 0,
 	SPIDER_NET_GMAC2INT,
 	SPIDER_NET_GMAC1INT,
 	SPIDER_NET_GIPSINT,
 	SPIDER_NET_GFIFOINT,
 	SPIDER_NET_GDMACINT,
 	SPIDER_NET_GSYSINT,
 	SPIDER_NET_GPWOPCMPINT,
 	SPIDER_NET_GPROPCMPINT,
 	SPIDER_NET_GPWFFINT,
 	SPIDER_NET_GRMDADRINT,
 	SPIDER_NET_GRMARPINT,
 	SPIDER_NET_GRMMPINT,
 	SPIDER_NET_GDTDEN0INT,
 	SPIDER_NET_GDDDEN0INT,
 	SPIDER_NET_GDCDEN0INT,
 	SPIDER_NET_GDBDEN0INT,
 	SPIDER_NET_GDADEN0INT,
 	SPIDER_NET_GDTFDCINT,
 	SPIDER_NET_GDDFDCINT,
 	SPIDER_NET_GDCFDCINT,
 	SPIDER_NET_GDBFDCINT,
 	SPIDER_NET_GDAFDCINT,
 	SPIDER_NET_GTTEDINT,
 	SPIDER_NET_GDTDCEINT,
 	SPIDER_NET_GRFDNMINT,
 	SPIDER_NET_GRFCNMINT,
 	SPIDER_NET_GRFBNMINT,
 	SPIDER_NET_GRFANMINT,
 	SPIDER_NET_GRFNMINT,
 	SPIDER_NET_G1TMCNTINT,
 	SPIDER_NET_GFREECNTINT
 };
 /* GHIINT1STS bits */
 enum spider_net_int1_status {
 	SPIDER_NET_GTMFLLINT = 0,
 	SPIDER_NET_GRMFLLINT,
 	SPIDER_NET_GTMSHTINT,
 	SPIDER_NET_GDTINVDINT,
 	SPIDER_NET_GRFDFLLINT,
 	SPIDER_NET_GDDDCEINT,
 	SPIDER_NET_GDDINVDINT,
 	SPIDER_NET_GRFCFLLINT,
 	SPIDER_NET_GDCDCEINT,
 	SPIDER_NET_GDCINVDINT,
 	SPIDER_NET_GRFBFLLINT,
 	SPIDER_NET_GDBDCEINT,
 	SPIDER_NET_GDBINVDINT,
 	SPIDER_NET_GRFAFLLINT,
 	SPIDER_NET_GDADCEINT,
 	SPIDER_NET_GDAINVDINT,
 	SPIDER_NET_GDTRSERINT,
 	SPIDER_NET_GDDRSERINT,
 	SPIDER_NET_GDCRSERINT,
 	SPIDER_NET_GDBRSERINT,
 	SPIDER_NET_GDARSERINT,
 	SPIDER_NET_GDSERINT,
 	SPIDER_NET_GDTPTERINT,
 	SPIDER_NET_GDDPTERINT,
 	SPIDER_NET_GDCPTERINT,
 	SPIDER_NET_GDBPTERINT,
 	SPIDER_NET_GDAPTERINT
 };
 /* GHIINT2STS bits */
 enum spider_net_int2_status {
 	SPIDER_NET_GPROPERINT = 0,
 	SPIDER_NET_GMCTCRSNGINT,
 	SPIDER_NET_GMCTLCOLINT,
 	SPIDER_NET_GMCTTMOTINT,
 	SPIDER_NET_GMCRCAERINT,
 	SPIDER_NET_GMCRCALERINT,
 	SPIDER_NET_GMCRALNERINT,
 	SPIDER_NET_GMCROVRINT,
 	SPIDER_NET_GMCRRNTINT,
 	SPIDER_NET_GMCRRXERINT,
 	SPIDER_NET_GTITCSERINT,
 	SPIDER_NET_GTIFMTERINT,
 	SPIDER_NET_GTIPKTRVKINT,
 	SPIDER_NET_GTISPINGINT,
 	SPIDER_NET_GTISADNGINT,
 	SPIDER_NET_GTISPDNGINT,
 	SPIDER_NET_GRIFMTERINT,
 	SPIDER_NET_GRIPKTRVKINT,
 	SPIDER_NET_GRISPINGINT,
 	SPIDER_NET_GRISADNGINT,
 	SPIDER_NET_GRISPDNGINT
 };

 #define SPIDER_NET_TXINT	( (1 << SPIDER_NET_GTTEDINT) | \
 				  (1 << SPIDER_NET_GDTDCEINT) | \
 				  (1 << SPIDER_NET_GDTFDCINT) )

 /* we rely on flagged descriptor interrupts*/
 #define SPIDER_NET_RXINT	( (1 << SPIDER_NET_GDAFDCINT) | \
 				  (1 << SPIDER_NET_GRMFLLINT) )

 #define SPIDER_NET_ERRINT	( 0xffffffff & \
 				  (~SPIDER_NET_TXINT) & \
 				  (~SPIDER_NET_RXINT) )

 #define SPIDER_NET_GPREXEC			0x80000000
 #define SPIDER_NET_GPRDAT_MASK			0x0000ffff

 #define SPIDER_NET_DMAC_NOINTR_COMPLETE		0x00800000
 #define SPIDER_NET_DMAC_NOCS			0x00040000
 #define SPIDER_NET_DMAC_TCP			0x00020000
 #define SPIDER_NET_DMAC_UDP			0x00030000
 #define SPIDER_NET_TXDCEST			0x08000000

 #define SPIDER_NET_DESCR_IND_PROC_MASK		0xF0000000
 #define SPIDER_NET_DESCR_COMPLETE		0x00000000 /* used in rx and tx */
 #define SPIDER_NET_DESCR_RESPONSE_ERROR		0x10000000 /* used in rx and tx */
 #define SPIDER_NET_DESCR_PROTECTION_ERROR	0x20000000 /* used in rx and tx */
 #define SPIDER_NET_DESCR_FRAME_END		0x40000000 /* used in rx */
 #define SPIDER_NET_DESCR_FORCE_END		0x50000000 /* used in rx and tx */
 #define SPIDER_NET_DESCR_CARDOWNED		0xA0000000 /* used in rx and tx */
 #define SPIDER_NET_DESCR_NOT_IN_USE		0xF0000000

 struct spider_net_descr {
 	/* as defined by the hardware */
 	u32 buf_addr;
 	u32 buf_size;
 	u32 next_descr_addr;
 	u32 dmac_cmd_status;
 	u32 result_size;
 	u32 valid_size;	/* all zeroes for tx */
 	u32 data_status;
 	u32 data_error;	/* all zeroes for tx */

 	/* used in the driver */
 	struct sk_buff *skb;
 	u32 bus_addr;
 	struct spider_net_descr *next;
 	struct spider_net_descr *prev;
 } __attribute__((aligned(32)));

 struct spider_net_descr_chain {
 	spinlock_t lock;
 	struct spider_net_descr *head;
 	struct spider_net_descr *tail;
 };

 /* descriptor data_status bits */
 #define SPIDER_NET_RX_IPCHK		29
 #define SPIDER_NET_RX_TCPCHK		28
 #define SPIDER_NET_VLAN_PACKET		21
 #define SPIDER_NET_DATA_STATUS_CKSUM_MASK ( (1 << SPIDER_NET_RX_IPCHK) | \
 					  (1 << SPIDER_NET_RX_TCPCHK) )

 /* descriptor data_error bits */
 #define SPIDER_NET_RX_IPCHKERR		27
 #define SPIDER_NET_RX_RXTCPCHKERR	28

 #define SPIDER_NET_DATA_ERR_CKSUM_MASK	(1 << SPIDER_NET_RX_IPCHKERR)

 /* the cases we don't pass the packet to the stack.
  * 701b8000 would be correct, but every packets gets that flag */
 #define SPIDER_NET_DESTROY_RX_FLAGS	0x700b8000

 #define SPIDER_NET_DESCR_SIZE		32

 /* this will be bigger some time */
 struct spider_net_options {
 	int rx_csum; /* for rx: if 0 ip_summed=NONE,
 			if 1 and hw has verified, ip_summed=UNNECESSARY */
 };

 #define SPIDER_NET_DEFAULT_MSG		( NETIF_MSG_DRV | \
 					  NETIF_MSG_PROBE | \
 					  NETIF_MSG_LINK | \
 					  NETIF_MSG_TIMER | \
 					  NETIF_MSG_IFDOWN | \
 					  NETIF_MSG_IFUP | \
 					  NETIF_MSG_RX_ERR | \
 					  NETIF_MSG_TX_ERR | \
 					  NETIF_MSG_TX_QUEUED | \
 					  NETIF_MSG_INTR | \
 					  NETIF_MSG_TX_DONE | \
 					  NETIF_MSG_RX_STATUS | \
 					  NETIF_MSG_PKTDATA | \
 					  NETIF_MSG_HW | \
 					  NETIF_MSG_WOL )

 struct spider_net_extra_stats {
 	unsigned long rx_desc_error;
 	unsigned long tx_timeouts;
 	unsigned long alloc_rx_skb_error;
 	unsigned long rx_iommu_map_error;
 	unsigned long tx_iommu_map_error;
 	unsigned long rx_desc_unk_state;
 };

 struct spider_net_card {
 	struct net_device *netdev;
 	struct pci_dev *pdev;
 	struct mii_phy phy;

 	void __iomem *regs;

 	struct spider_net_descr_chain tx_chain;
 	struct spider_net_descr_chain rx_chain;

 	struct net_device_stats netdev_stats;

 	struct spider_net_options options;

 	spinlock_t intmask_lock;
 	struct tasklet_struct rxram_full_tl;
 	struct timer_list tx_timer;

 	struct work_struct tx_timeout_task;
 	atomic_t tx_timeout_task_counter;
 	wait_queue_head_t waitq;

 	/* for ethtool */
 	int msg_enable;
 	int rx_desc;
 	int tx_desc;
 	struct spider_net_extra_stats spider_stats;

 	struct spider_net_descr descr[0];
 };

 #define pr_err(fmt,arg...) \
 	printk(KERN_ERR fmt ,##arg)

 #endif
	/*
	* Network device driver for Cell Processor-Based Blade
	*
	* (C) Copyright IBM Corp. 2005
	*
	* Authors : Utz Bacher <utz.bacher@de.ibm.com>
	* Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
	*
	* 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, or (at your option)
	* any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	*/

	#ifndef _SPIDER_NET_H
	#define _SPIDER_NET_H

	#define VERSION "1.1 A"

	#include "sungem_phy.h"

	extern int spider_net_stop(struct net_device *netdev);
	extern int spider_net_open(struct net_device *netdev);

	extern const struct ethtool_ops spider_net_ethtool_ops;

	extern char spider_net_driver_name[];

	#define SPIDER_NET_MAX_FRAME 2312
	#define SPIDER_NET_MAX_MTU 2294
	#define SPIDER_NET_MIN_MTU 64

	#define SPIDER_NET_RXBUF_ALIGN 128

	#define SPIDER_NET_RX_DESCRIPTORS_DEFAULT 256
	#define SPIDER_NET_RX_DESCRIPTORS_MIN 16
	#define SPIDER_NET_RX_DESCRIPTORS_MAX 512

	#define SPIDER_NET_TX_DESCRIPTORS_DEFAULT 256
	#define SPIDER_NET_TX_DESCRIPTORS_MIN 16
	#define SPIDER_NET_TX_DESCRIPTORS_MAX 512

	#define SPIDER_NET_TX_TIMER 20

	#define SPIDER_NET_RX_CSUM_DEFAULT 1

	#define SPIDER_NET_WATCHDOG_TIMEOUT 50*HZ
	#define SPIDER_NET_NAPI_WEIGHT 64

	#define SPIDER_NET_FIRMWARE_SEQS 6
	#define SPIDER_NET_FIRMWARE_SEQWORDS 1024
	#define SPIDER_NET_FIRMWARE_LEN (SPIDER_NET_FIRMWARE_SEQS * \
	SPIDER_NET_FIRMWARE_SEQWORDS * \
	sizeof(u32))
	#define SPIDER_NET_FIRMWARE_NAME "spider_fw.bin"

	/** spider_net SMMIO registers */
	#define SPIDER_NET_GHIINT0STS 0x00000000
	#define SPIDER_NET_GHIINT1STS 0x00000004
	#define SPIDER_NET_GHIINT2STS 0x00000008
	#define SPIDER_NET_GHIINT0MSK 0x00000010
	#define SPIDER_NET_GHIINT1MSK 0x00000014
	#define SPIDER_NET_GHIINT2MSK 0x00000018

	#define SPIDER_NET_GRESUMINTNUM 0x00000020
	#define SPIDER_NET_GREINTNUM 0x00000024

	#define SPIDER_NET_GFFRMNUM 0x00000028
	#define SPIDER_NET_GFAFRMNUM 0x0000002c
	#define SPIDER_NET_GFBFRMNUM 0x00000030
	#define SPIDER_NET_GFCFRMNUM 0x00000034
	#define SPIDER_NET_GFDFRMNUM 0x00000038

	/* clear them (don't use it) */
	#define SPIDER_NET_GFREECNNUM 0x0000003c
	#define SPIDER_NET_GONETIMENUM 0x00000040

	#define SPIDER_NET_GTOUTFRMNUM 0x00000044

	#define SPIDER_NET_GTXMDSET 0x00000050
	#define SPIDER_NET_GPCCTRL 0x00000054
	#define SPIDER_NET_GRXMDSET 0x00000058
	#define SPIDER_NET_GIPSECINIT 0x0000005c
	#define SPIDER_NET_GFTRESTRT 0x00000060
	#define SPIDER_NET_GRXDMAEN 0x00000064
	#define SPIDER_NET_GMRWOLCTRL 0x00000068
	#define SPIDER_NET_GPCWOPCMD 0x0000006c
	#define SPIDER_NET_GPCROPCMD 0x00000070
	#define SPIDER_NET_GTTFRMCNT 0x00000078
	#define SPIDER_NET_GTESTMD 0x0000007c

	#define SPIDER_NET_GSINIT 0x00000080
	#define SPIDER_NET_GSnPRGADR 0x00000084
	#define SPIDER_NET_GSnPRGDAT 0x00000088

	#define SPIDER_NET_GMACOPEMD 0x00000100
	#define SPIDER_NET_GMACLENLMT 0x00000108
	#define SPIDER_NET_GMACINTEN 0x00000118
	#define SPIDER_NET_GMACPHYCTRL 0x00000120

	#define SPIDER_NET_GMACAPAUSE 0x00000154
	#define SPIDER_NET_GMACTXPAUSE 0x00000164

	#define SPIDER_NET_GMACMODE 0x000001b0
	#define SPIDER_NET_GMACBSTLMT 0x000001b4

	#define SPIDER_NET_GMACUNIMACU 0x000001c0
	#define SPIDER_NET_GMACUNIMACL 0x000001c8

	#define SPIDER_NET_GMRMHFILnR 0x00000400
	#define SPIDER_NET_MULTICAST_HASHES 256

	#define SPIDER_NET_GMRUAFILnR 0x00000500
	#define SPIDER_NET_GMRUA0FIL15R 0x00000578

	#define SPIDER_NET_GTTQMSK 0x00000934

	/* RX DMA controller registers, all 0x00000a.. are for DMA controller A,
	* 0x00000b.. for DMA controller B, etc. */
	#define SPIDER_NET_GDADCHA 0x00000a00
	#define SPIDER_NET_GDADMACCNTR 0x00000a04
	#define SPIDER_NET_GDACTDPA 0x00000a08
	#define SPIDER_NET_GDACTDCNT 0x00000a0c
	#define SPIDER_NET_GDACDBADDR 0x00000a20
	#define SPIDER_NET_GDACDBSIZE 0x00000a24
	#define SPIDER_NET_GDACNEXTDA 0x00000a28
	#define SPIDER_NET_GDACCOMST 0x00000a2c
	#define SPIDER_NET_GDAWBCOMST 0x00000a30
	#define SPIDER_NET_GDAWBRSIZE 0x00000a34
	#define SPIDER_NET_GDAWBVSIZE 0x00000a38
	#define SPIDER_NET_GDAWBTRST 0x00000a3c
	#define SPIDER_NET_GDAWBTRERR 0x00000a40

	/* TX DMA controller registers */
	#define SPIDER_NET_GDTDCHA 0x00000e00
	#define SPIDER_NET_GDTDMACCNTR 0x00000e04
	#define SPIDER_NET_GDTCDPA 0x00000e08
	#define SPIDER_NET_GDTDMASEL 0x00000e14

	#define SPIDER_NET_ECMODE 0x00000f00
	/* clock and reset control register */
	#define SPIDER_NET_CKRCTRL 0x00000ff0

	/** SCONFIG registers */
	#define SPIDER_NET_SCONFIG_IOACTE 0x00002810

	/** interrupt mask registers */
	#define SPIDER_NET_INT0_MASK_VALUE 0x3f7fe2c7
	#define SPIDER_NET_INT1_MASK_VALUE 0xffff7ff7
	/* no MAC aborts -> auto retransmission */
	#define SPIDER_NET_INT2_MASK_VALUE 0xffef7ff1

	/* we rely on flagged descriptor interrupts */
	#define SPIDER_NET_FRAMENUM_VALUE 0x00000000
	/* set this first, then the FRAMENUM_VALUE */
	#define SPIDER_NET_GFXFRAMES_VALUE 0x00000000

	#define SPIDER_NET_STOP_SEQ_VALUE 0x00000000
	#define SPIDER_NET_RUN_SEQ_VALUE 0x0000007e

	#define SPIDER_NET_PHY_CTRL_VALUE 0x00040040
	/* #define SPIDER_NET_PHY_CTRL_VALUE 0x01070080*/
	#define SPIDER_NET_RXMODE_VALUE 0x00000011
	/* auto retransmission in case of MAC aborts */
	#define SPIDER_NET_TXMODE_VALUE 0x00010000
	#define SPIDER_NET_RESTART_VALUE 0x00000000
	#define SPIDER_NET_WOL_VALUE 0x00001111
	#if 0
	#define SPIDER_NET_WOL_VALUE 0x00000000
	#endif
	#define SPIDER_NET_IPSECINIT_VALUE 0x6f716f71

	/* pause frames: automatic, no upper retransmission count */
	/* outside loopback mode: ETOMOD signal dont matter, not connected */
	#define SPIDER_NET_OPMODE_VALUE 0x00000063
	/#define SPIDER_NET_OPMODE_VALUE 0x001b0062/
	#define SPIDER_NET_LENLMT_VALUE 0x00000908

	#define SPIDER_NET_MACAPAUSE_VALUE 0x00000800 /* about 1 ms */
	#define SPIDER_NET_TXPAUSE_VALUE 0x00000000

	#define SPIDER_NET_MACMODE_VALUE 0x00000001
	#define SPIDER_NET_BURSTLMT_VALUE 0x00000200 /* about 16 us */

	/* DMAC control register GDMACCNTR
	*
	* 1(0) enable r/tx dma
	* 0000000 fixed to 0
	*
	* 000000 fixed to 0
	* 0(1) en/disable descr writeback on force end
	* 0(1) force end
	*
	* 000000 fixed to 0
	* 00 burst alignment: 128 bytes
	* 11 burst alignment: 1024 bytes
	*
	* 00000 fixed to 0
	* 0 descr writeback size 32 bytes
	* 0(1) descr chain end interrupt enable
	* 0(1) descr status writeback enable */

	/* to set RX_DMA_EN */
	#define SPIDER_NET_DMA_RX_VALUE 0x80000000
	#define SPIDER_NET_DMA_RX_FEND_VALUE 0x00030003
	/* to set TX_DMA_EN */
	#define SPIDER_NET_TX_DMA_EN 0x80000000
	#define SPIDER_NET_GDTBSTA 0x00000300
	#define SPIDER_NET_GDTDCEIDIS 0x00000002
	#define SPIDER_NET_DMA_TX_VALUE SPIDER_NET_TX_DMA_EN \| \
	SPIDER_NET_GDTBSTA \| \
	SPIDER_NET_GDTDCEIDIS

	#define SPIDER_NET_DMA_TX_FEND_VALUE 0x00030003

	/* SPIDER_NET_UA_DESCR_VALUE is OR'ed with the unicast address */
	#define SPIDER_NET_UA_DESCR_VALUE 0x00080000
	#define SPIDER_NET_PROMISC_VALUE 0x00080000
	#define SPIDER_NET_NONPROMISC_VALUE 0x00000000

	#define SPIDER_NET_DMASEL_VALUE 0x00000001

	#define SPIDER_NET_ECMODE_VALUE 0x00000000

	#define SPIDER_NET_CKRCTRL_RUN_VALUE 0x1fff010f
	#define SPIDER_NET_CKRCTRL_STOP_VALUE 0x0000010f

	#define SPIDER_NET_SBIMSTATE_VALUE 0x00000000
	#define SPIDER_NET_SBTMSTATE_VALUE 0x00000000

	/* SPIDER_NET_GHIINT0STS bits, in reverse order so that they can be used
	* with 1 << SPIDER_NET_... */
	enum spider_net_int0_status {
	SPIDER_NET_GPHYINT = 0,
	SPIDER_NET_GMAC2INT,
	SPIDER_NET_GMAC1INT,
	SPIDER_NET_GIPSINT,
	SPIDER_NET_GFIFOINT,
	SPIDER_NET_GDMACINT,
	SPIDER_NET_GSYSINT,
	SPIDER_NET_GPWOPCMPINT,
	SPIDER_NET_GPROPCMPINT,
	SPIDER_NET_GPWFFINT,
	SPIDER_NET_GRMDADRINT,
	SPIDER_NET_GRMARPINT,
	SPIDER_NET_GRMMPINT,
	SPIDER_NET_GDTDEN0INT,
	SPIDER_NET_GDDDEN0INT,
	SPIDER_NET_GDCDEN0INT,
	SPIDER_NET_GDBDEN0INT,
	SPIDER_NET_GDADEN0INT,
	SPIDER_NET_GDTFDCINT,
	SPIDER_NET_GDDFDCINT,
	SPIDER_NET_GDCFDCINT,
	SPIDER_NET_GDBFDCINT,
	SPIDER_NET_GDAFDCINT,
	SPIDER_NET_GTTEDINT,
	SPIDER_NET_GDTDCEINT,
	SPIDER_NET_GRFDNMINT,
	SPIDER_NET_GRFCNMINT,
	SPIDER_NET_GRFBNMINT,
	SPIDER_NET_GRFANMINT,
	SPIDER_NET_GRFNMINT,
	SPIDER_NET_G1TMCNTINT,
	SPIDER_NET_GFREECNTINT
	};
	/* GHIINT1STS bits */
	enum spider_net_int1_status {
	SPIDER_NET_GTMFLLINT = 0,
	SPIDER_NET_GRMFLLINT,
	SPIDER_NET_GTMSHTINT,
	SPIDER_NET_GDTINVDINT,
	SPIDER_NET_GRFDFLLINT,
	SPIDER_NET_GDDDCEINT,
	SPIDER_NET_GDDINVDINT,
	SPIDER_NET_GRFCFLLINT,
	SPIDER_NET_GDCDCEINT,
	SPIDER_NET_GDCINVDINT,
	SPIDER_NET_GRFBFLLINT,
	SPIDER_NET_GDBDCEINT,
	SPIDER_NET_GDBINVDINT,
	SPIDER_NET_GRFAFLLINT,
	SPIDER_NET_GDADCEINT,
	SPIDER_NET_GDAINVDINT,
	SPIDER_NET_GDTRSERINT,
	SPIDER_NET_GDDRSERINT,
	SPIDER_NET_GDCRSERINT,
	SPIDER_NET_GDBRSERINT,
	SPIDER_NET_GDARSERINT,
	SPIDER_NET_GDSERINT,
	SPIDER_NET_GDTPTERINT,
	SPIDER_NET_GDDPTERINT,
	SPIDER_NET_GDCPTERINT,
	SPIDER_NET_GDBPTERINT,
	SPIDER_NET_GDAPTERINT
	};
	/* GHIINT2STS bits */
	enum spider_net_int2_status {
	SPIDER_NET_GPROPERINT = 0,
	SPIDER_NET_GMCTCRSNGINT,
	SPIDER_NET_GMCTLCOLINT,
	SPIDER_NET_GMCTTMOTINT,
	SPIDER_NET_GMCRCAERINT,
	SPIDER_NET_GMCRCALERINT,
	SPIDER_NET_GMCRALNERINT,
	SPIDER_NET_GMCROVRINT,
	SPIDER_NET_GMCRRNTINT,
	SPIDER_NET_GMCRRXERINT,
	SPIDER_NET_GTITCSERINT,
	SPIDER_NET_GTIFMTERINT,
	SPIDER_NET_GTIPKTRVKINT,
	SPIDER_NET_GTISPINGINT,
	SPIDER_NET_GTISADNGINT,
	SPIDER_NET_GTISPDNGINT,
	SPIDER_NET_GRIFMTERINT,
	SPIDER_NET_GRIPKTRVKINT,
	SPIDER_NET_GRISPINGINT,
	SPIDER_NET_GRISADNGINT,
	SPIDER_NET_GRISPDNGINT
	};

	#define SPIDER_NET_TXINT ( (1 << SPIDER_NET_GTTEDINT) \| \
	(1 << SPIDER_NET_GDTDCEINT) \| \
	(1 << SPIDER_NET_GDTFDCINT) )

	/* we rely on flagged descriptor interrupts*/
	#define SPIDER_NET_RXINT ( (1 << SPIDER_NET_GDAFDCINT) \| \
	(1 << SPIDER_NET_GRMFLLINT) )

	#define SPIDER_NET_ERRINT ( 0xffffffff & \
	(~SPIDER_NET_TXINT) & \
	(~SPIDER_NET_RXINT) )

	#define SPIDER_NET_GPREXEC 0x80000000
	#define SPIDER_NET_GPRDAT_MASK 0x0000ffff

	#define SPIDER_NET_DMAC_NOINTR_COMPLETE 0x00800000
	#define SPIDER_NET_DMAC_NOCS 0x00040000
	#define SPIDER_NET_DMAC_TCP 0x00020000
	#define SPIDER_NET_DMAC_UDP 0x00030000
	#define SPIDER_NET_TXDCEST 0x08000000

	#define SPIDER_NET_DESCR_IND_PROC_MASK 0xF0000000
	#define SPIDER_NET_DESCR_COMPLETE 0x00000000 /* used in rx and tx */
	#define SPIDER_NET_DESCR_RESPONSE_ERROR 0x10000000 /* used in rx and tx */
	#define SPIDER_NET_DESCR_PROTECTION_ERROR 0x20000000 /* used in rx and tx */
	#define SPIDER_NET_DESCR_FRAME_END 0x40000000 /* used in rx */
	#define SPIDER_NET_DESCR_FORCE_END 0x50000000 /* used in rx and tx */
	#define SPIDER_NET_DESCR_CARDOWNED 0xA0000000 /* used in rx and tx */
	#define SPIDER_NET_DESCR_NOT_IN_USE 0xF0000000

	struct spider_net_descr {
	/* as defined by the hardware */
	u32 buf_addr;
	u32 buf_size;
	u32 next_descr_addr;
	u32 dmac_cmd_status;
	u32 result_size;
	u32 valid_size; /* all zeroes for tx */
	u32 data_status;
	u32 data_error; /* all zeroes for tx */

	/* used in the driver */
	struct sk_buff *skb;
	u32 bus_addr;
	struct spider_net_descr *next;
	struct spider_net_descr *prev;
	} __attribute__((aligned(32)));

	struct spider_net_descr_chain {
	spinlock_t lock;
	struct spider_net_descr *head;
	struct spider_net_descr *tail;
	};

	/* descriptor data_status bits */
	#define SPIDER_NET_RX_IPCHK 29
	#define SPIDER_NET_RX_TCPCHK 28
	#define SPIDER_NET_VLAN_PACKET 21
	#define SPIDER_NET_DATA_STATUS_CKSUM_MASK ( (1 << SPIDER_NET_RX_IPCHK) \| \
	(1 << SPIDER_NET_RX_TCPCHK) )

	/* descriptor data_error bits */
	#define SPIDER_NET_RX_IPCHKERR 27
	#define SPIDER_NET_RX_RXTCPCHKERR 28

	#define SPIDER_NET_DATA_ERR_CKSUM_MASK (1 << SPIDER_NET_RX_IPCHKERR)

	/* the cases we don't pass the packet to the stack.
	* 701b8000 would be correct, but every packets gets that flag */
	#define SPIDER_NET_DESTROY_RX_FLAGS 0x700b8000

	#define SPIDER_NET_DESCR_SIZE 32

	/* this will be bigger some time */
	struct spider_net_options {
	int rx_csum; /* for rx: if 0 ip_summed=NONE,
	if 1 and hw has verified, ip_summed=UNNECESSARY */
	};

	#define SPIDER_NET_DEFAULT_MSG ( NETIF_MSG_DRV \| \
	NETIF_MSG_PROBE \| \
	NETIF_MSG_LINK \| \
	NETIF_MSG_TIMER \| \
	NETIF_MSG_IFDOWN \| \
	NETIF_MSG_IFUP \| \
	NETIF_MSG_RX_ERR \| \
	NETIF_MSG_TX_ERR \| \
	NETIF_MSG_TX_QUEUED \| \
	NETIF_MSG_INTR \| \
	NETIF_MSG_TX_DONE \| \
	NETIF_MSG_RX_STATUS \| \
	NETIF_MSG_PKTDATA \| \
	NETIF_MSG_HW \| \
	NETIF_MSG_WOL )

	struct spider_net_extra_stats {
	unsigned long rx_desc_error;
	unsigned long tx_timeouts;
	unsigned long alloc_rx_skb_error;
	unsigned long rx_iommu_map_error;
	unsigned long tx_iommu_map_error;
	unsigned long rx_desc_unk_state;
	};

	struct spider_net_card {
	struct net_device *netdev;
	struct pci_dev *pdev;
	struct mii_phy phy;

	void __iomem *regs;

	struct spider_net_descr_chain tx_chain;
	struct spider_net_descr_chain rx_chain;

	struct net_device_stats netdev_stats;

	struct spider_net_options options;

	spinlock_t intmask_lock;
	struct tasklet_struct rxram_full_tl;
	struct timer_list tx_timer;

	struct work_struct tx_timeout_task;
	atomic_t tx_timeout_task_counter;
	wait_queue_head_t waitq;

	/* for ethtool */
	int msg_enable;
	int rx_desc;
	int tx_desc;
	struct spider_net_extra_stats spider_stats;

	struct spider_net_descr descr[0];
	};

	#define pr_err(fmt,arg...) \
	printk(KERN_ERR fmt ,##arg)

	#endif