Move the HIPPI driver into drivers/net/hippi/ and make the necessary Kconfig and Makefile changes. CC: Jes Sorensen <jes@wildopensource.com> CC: Jes Sorensen <jes@trained-monkey.org> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
		
			
				
	
	
		
			846 lines
		
	
	
	
		
			15 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			846 lines
		
	
	
	
		
			15 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef _RRUNNER_H_
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#define _RRUNNER_H_
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#include <linux/interrupt.h>
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#if ((BITS_PER_LONG != 32) && (BITS_PER_LONG != 64))
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#error "BITS_PER_LONG not defined or not valid"
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#endif
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struct rr_regs {
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	u32	pad0[16];
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	u32	HostCtrl;
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	u32	LocalCtrl;
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	u32	Pc;
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	u32	BrkPt;
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/* Timer increments every 0.97 micro-seconds (unsigned int) */
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	u32	Timer_Hi;
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	u32	Timer;
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	u32	TimerRef;
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	u32	PciState;
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	u32	Event;
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	u32	MbEvent;
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	u32	WinBase;
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	u32	WinData;
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	u32	RX_state;
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	u32	TX_state;
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	u32	Overhead;
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	u32	ExtIo;
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	u32	DmaWriteHostHi;
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	u32	DmaWriteHostLo;
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	u32	pad1[2];
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	u32	DmaReadHostHi;
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	u32	DmaReadHostLo;
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	u32	pad2;
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	u32	DmaReadLen;
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	u32	DmaWriteState;
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	u32	DmaWriteLcl;
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	u32	DmaWriteIPchecksum;
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	u32	DmaWriteLen;
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	u32	DmaReadState;
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	u32	DmaReadLcl;
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	u32	DmaReadIPchecksum;
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	u32	pad3;
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	u32	RxBase;
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	u32	RxPrd;
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	u32	RxCon;
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	u32	pad4;
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	u32	TxBase;
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	u32	TxPrd;
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	u32	TxCon;
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	u32	pad5;
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	u32	RxIndPro;
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	u32	RxIndCon;
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	u32	RxIndRef;
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	u32	pad6;
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	u32	TxIndPro;
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	u32	TxIndCon;
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	u32	TxIndRef;
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	u32	pad7[17];
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	u32	DrCmndPro;
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	u32	DrCmndCon;
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	u32	DrCmndRef;
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	u32	pad8;
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	u32	DwCmndPro;
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	u32	DwCmndCon;
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	u32	DwCmndRef;
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	u32	AssistState;
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	u32	DrDataPro;
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	u32	DrDataCon;
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	u32	DrDataRef;
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	u32	pad9;
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	u32	DwDataPro;
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	u32	DwDataCon;
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	u32	DwDataRef;
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	u32	pad10[33];
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	u32	EvtCon;
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	u32	pad11[5];
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	u32	TxPi;
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	u32	IpRxPi;
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	u32	pad11a[8];
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	u32	CmdRing[16];
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/* The ULA is in two registers the high order two bytes of the first
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 * word contain the RunCode features.
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 * ula0		res	res	byte0	byte1
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 * ula1		byte2	byte3	byte4	byte5
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 */
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	u32	Ula0;
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	u32	Ula1;
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	u32	RxRingHi;
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	u32	RxRingLo;
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	u32	InfoPtrHi;
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	u32	InfoPtrLo;
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	u32	Mode;
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	u32	ConRetry;
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	u32	ConRetryTmr;
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	u32	ConTmout;
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	u32	CtatTmr;
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	u32	MaxRxRng;
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	u32	IntrTmr;
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	u32	TxDataMvTimeout;
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	u32	RxDataMvTimeout;
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	u32	EvtPrd;
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	u32	TraceIdx;
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	u32	Fail1;
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	u32	Fail2;
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	u32	DrvPrm;
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	u32	FilterLA;
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	u32	FwRev;
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	u32	FwRes1;
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	u32	FwRes2;
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	u32	FwRes3;
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	u32	WriteDmaThresh;
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	u32	ReadDmaThresh;
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	u32	pad12[325];
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	u32	Window[512];
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};
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/*
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 * Host control register bits.
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 */
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#define RR_INT		0x01
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#define RR_CLEAR_INT	0x02
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#define NO_SWAP		0x04000004
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#define NO_SWAP1	0x00000004
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#define PCI_RESET_NIC	0x08
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#define HALT_NIC	0x10
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#define SSTEP_NIC	0x20
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#define MEM_READ_MULTI	0x40
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#define NIC_HALTED	0x100
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#define HALT_INST	0x200
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#define PARITY_ERR	0x400
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#define INVALID_INST_B	0x800
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#define RR_REV_2	0x20000000
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#define RR_REV_MASK	0xf0000000
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/*
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 * Local control register bits.
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 */
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#define INTA_STATE		0x01
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#define CLEAR_INTA		0x02
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#define FAST_EEPROM_ACCESS	0x08
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#define ENABLE_EXTRA_SRAM	0x100
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#define ENABLE_EXTRA_DESC	0x200
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#define ENABLE_PARITY		0x400
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#define FORCE_DMA_PARITY_ERROR	0x800
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#define ENABLE_EEPROM_WRITE	0x1000
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#define ENABLE_DATA_CACHE	0x2000
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#define SRAM_LO_PARITY_ERR	0x4000
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#define SRAM_HI_PARITY_ERR	0x8000
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/*
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 * PCI state bits.
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 */
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#define FORCE_PCI_RESET		0x01
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#define PROVIDE_LENGTH		0x02
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#define MASK_DMA_READ_MAX	0x1C
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#define RBURST_DISABLE		0x00
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#define RBURST_4		0x04
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#define RBURST_16		0x08
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#define RBURST_32		0x0C
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#define RBURST_64		0x10
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#define RBURST_128		0x14
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#define RBURST_256		0x18
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#define RBURST_1024		0x1C
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#define MASK_DMA_WRITE_MAX	0xE0
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#define WBURST_DISABLE		0x00
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#define WBURST_4		0x20
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#define WBURST_16		0x40
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#define WBURST_32		0x60
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#define WBURST_64		0x80
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#define WBURST_128		0xa0
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#define WBURST_256		0xc0
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#define WBURST_1024		0xe0
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#define MASK_MIN_DMA		0xFF00
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#define FIFO_RETRY_ENABLE	0x10000
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/*
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 * Event register
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 */
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#define DMA_WRITE_DONE		0x10000
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#define DMA_READ_DONE		0x20000
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#define DMA_WRITE_ERR		0x40000
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#define DMA_READ_ERR		0x80000
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/*
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 * Receive state
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 *
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 * RoadRunner HIPPI Receive State Register controls and monitors the
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 * HIPPI receive interface in the NIC. Look at err bits when a HIPPI
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 * receive Error Event occurs.
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 */
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#define ENABLE_NEW_CON		0x01
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#define RESET_RECV		0x02
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#define RECV_ALL		0x00
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#define RECV_1K			0x20
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#define RECV_2K			0x40
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#define RECV_4K			0x60
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#define RECV_8K			0x80
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#define RECV_16K		0xa0
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#define RECV_32K		0xc0
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#define RECV_64K		0xe0
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/*
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 * Transmit status.
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 */
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#define ENA_XMIT		0x01
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#define PERM_CON		0x02
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/*
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 * DMA write state
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 */
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#define RESET_DMA		0x01
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#define NO_SWAP_DMA		0x02
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#define DMA_ACTIVE		0x04
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#define THRESH_MASK		0x1F
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#define DMA_ERROR_MASK		0xff000000
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/*
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 * Gooddies stored in the ULA registers.
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 */
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#define TRACE_ON_WHAT_BIT	0x00020000    /* Traces on */
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#define ONEM_BUF_WHAT_BIT	0x00040000    /* 1Meg vs 256K */
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#define CHAR_API_WHAT_BIT	0x00080000    /* Char API vs network only */
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#define CMD_EVT_WHAT_BIT	0x00200000    /* Command event */
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#define LONG_TX_WHAT_BIT	0x00400000
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#define LONG_RX_WHAT_BIT	0x00800000
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#define WHAT_BIT_MASK		0xFFFD0000    /* Feature bit mask */
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/*
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 * Mode status
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 */
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#define EVENT_OVFL		0x80000000
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#define FATAL_ERR		0x40000000
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#define LOOP_BACK		0x01
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#define MODE_PH			0x02
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#define MODE_FP			0x00
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#define PTR64BIT		0x04
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#define PTR32BIT		0x00
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#define PTR_WD_SWAP		0x08
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#define PTR_WD_NOSWAP		0x00
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#define POST_WARN_EVENT		0x10
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#define ERR_TERM		0x20
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#define DIRECT_CONN		0x40
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#define NO_NIC_WATCHDOG		0x80
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#define SWAP_DATA		0x100
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#define SWAP_CONTROL		0x200
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#define NIC_HALT_ON_ERR		0x400
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#define NIC_NO_RESTART		0x800
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#define HALF_DUP_TX		0x1000
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#define HALF_DUP_RX		0x2000
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/*
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 * Error codes
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 */
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/* Host Error Codes - values of fail1 */
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#define ERR_UNKNOWN_MBOX	0x1001
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#define ERR_UNKNOWN_CMD		0x1002
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#define ERR_MAX_RING		0x1003
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#define ERR_RING_CLOSED		0x1004
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#define ERR_RING_OPEN		0x1005
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/* Firmware internal errors */
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#define ERR_EVENT_RING_FULL	0x01
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#define ERR_DW_PEND_CMND_FULL	0x02
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#define ERR_DR_PEND_CMND_FULL	0x03
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#define ERR_DW_PEND_DATA_FULL	0x04
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#define ERR_DR_PEND_DATA_FULL	0x05
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#define ERR_ILLEGAL_JUMP	0x06
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#define ERR_UNIMPLEMENTED	0x07
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#define ERR_TX_INFO_FULL	0x08
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#define ERR_RX_INFO_FULL	0x09
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#define ERR_ILLEGAL_MODE	0x0A
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#define ERR_MAIN_TIMEOUT	0x0B
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#define ERR_EVENT_BITS		0x0C
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#define ERR_UNPEND_FULL		0x0D
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#define ERR_TIMER_QUEUE_FULL	0x0E
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#define ERR_TIMER_QUEUE_EMPTY	0x0F
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#define ERR_TIMER_NO_FREE	0x10
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#define ERR_INTR_START		0x11
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#define ERR_BAD_STARTUP		0x12
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#define ERR_NO_PKT_END		0x13
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#define ERR_HALTED_ON_ERR	0x14
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/* Hardware NIC Errors */
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#define ERR_WRITE_DMA		0x0101
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#define ERR_READ_DMA		0x0102
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#define ERR_EXT_SERIAL		0x0103
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#define ERR_TX_INT_PARITY	0x0104
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/*
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 * Event definitions
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 */
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#define EVT_RING_ENTRIES	64
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#define EVT_RING_SIZE		(EVT_RING_ENTRIES * sizeof(struct event))
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struct event {
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#ifdef __LITTLE_ENDIAN
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	u16     index;
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	u8      ring;
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	u8      code;
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#else
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	u8      code;
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	u8      ring;
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	u16     index;
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#endif
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	u32     timestamp;
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};
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/*
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 * General Events
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 */
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#define E_NIC_UP	0x01
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#define E_WATCHDOG	0x02
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#define E_STAT_UPD	0x04
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#define E_INVAL_CMD	0x05
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#define E_SET_CMD_CONS	0x06
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#define E_LINK_ON	0x07
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#define E_LINK_OFF	0x08
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#define E_INTERN_ERR	0x09
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#define E_HOST_ERR	0x0A
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#define E_STATS_UPDATE	0x0B
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#define E_REJECTING	0x0C
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/*
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 * Send  Events
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 */
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#define E_CON_REJ	0x13
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#define E_CON_TMOUT	0x14
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#define E_CON_NC_TMOUT	0x15	/* I  , Connection No Campon Timeout */
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#define E_DISC_ERR	0x16
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#define E_INT_PRTY	0x17
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#define E_TX_IDLE	0x18
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#define E_TX_LINK_DROP	0x19
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#define E_TX_INV_RNG	0x1A
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#define E_TX_INV_BUF	0x1B
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#define E_TX_INV_DSC	0x1C
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/*
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 * Destination Events
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 */
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/*
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 * General Receive events
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 */
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#define E_VAL_RNG	0x20
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#define E_RX_RNG_ENER	0x21
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#define E_INV_RNG	0x22
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#define E_RX_RNG_SPC	0x23
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#define E_RX_RNG_OUT	0x24
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#define E_PKT_DISCARD	0x25
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#define E_INFO_EVT	0x27
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/*
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 * Data corrupted events
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 */
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#define E_RX_PAR_ERR	0x2B
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#define E_RX_LLRC_ERR	0x2C
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#define E_IP_CKSM_ERR	0x2D
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#define E_DTA_CKSM_ERR	0x2E
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#define E_SHT_BST	0x2F
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/*
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 * Data lost events
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 */
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#define E_LST_LNK_ERR	0x30
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#define E_FLG_SYN_ERR	0x31
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#define E_FRM_ERR	0x32
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#define E_RX_IDLE	0x33
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#define E_PKT_LN_ERR	0x34
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#define E_STATE_ERR	0x35
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#define E_UNEXP_DATA	0x3C
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/*
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 * Fatal events
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 */
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#define E_RX_INV_BUF	0x36
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#define E_RX_INV_DSC	0x37
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#define E_RNG_BLK	0x38
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/*
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 * Warning events
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 */
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#define E_RX_TO		0x39
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#define E_BFR_SPC	0x3A
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#define E_INV_ULP	0x3B
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#define E_NOT_IMPLEMENTED 0x40
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/*
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						|
 * Commands
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 */
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						|
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#define CMD_RING_ENTRIES	16
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						|
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struct cmd {
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#ifdef __LITTLE_ENDIAN
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	u16     index;
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						|
	u8      ring;
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	u8      code;
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#else
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	u8      code;
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						|
	u8      ring;
 | 
						|
	u16     index;
 | 
						|
#endif
 | 
						|
};
 | 
						|
 | 
						|
#define C_START_FW	0x01
 | 
						|
#define C_UPD_STAT	0x02
 | 
						|
#define C_WATCHDOG	0x05
 | 
						|
#define C_DEL_RNG	0x09
 | 
						|
#define C_NEW_RNG	0x0A
 | 
						|
#define C_CONN		0x0D
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * Mode bits
 | 
						|
 */
 | 
						|
 | 
						|
#define  PACKET_BAD		0x01 /* Packet had link-layer error */
 | 
						|
#define  INTERRUPT		0x02
 | 
						|
#define  TX_IP_CKSUM		0x04
 | 
						|
#define  PACKET_END		0x08
 | 
						|
#define  PACKET_START		0x10
 | 
						|
#define  SAME_IFIELD		0x80
 | 
						|
 | 
						|
 | 
						|
typedef struct {
 | 
						|
#if (BITS_PER_LONG == 64)
 | 
						|
	u64 addrlo;
 | 
						|
#else
 | 
						|
	u32 addrhi;
 | 
						|
	u32 addrlo;
 | 
						|
#endif
 | 
						|
} rraddr;
 | 
						|
 | 
						|
 | 
						|
static inline void set_rraddr(rraddr *ra, dma_addr_t addr)
 | 
						|
{
 | 
						|
	unsigned long baddr = addr;
 | 
						|
#if (BITS_PER_LONG == 64)
 | 
						|
	ra->addrlo = baddr;
 | 
						|
#else
 | 
						|
    /* Don't bother setting zero every time */
 | 
						|
	ra->addrlo = baddr;
 | 
						|
#endif
 | 
						|
	mb();
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static inline void set_rxaddr(struct rr_regs __iomem *regs, volatile dma_addr_t addr)
 | 
						|
{
 | 
						|
	unsigned long baddr = addr;
 | 
						|
#if (BITS_PER_LONG == 64) && defined(__LITTLE_ENDIAN)
 | 
						|
	writel(baddr & 0xffffffff, ®s->RxRingHi);
 | 
						|
	writel(baddr >> 32, ®s->RxRingLo);
 | 
						|
#elif (BITS_PER_LONG == 64)
 | 
						|
	writel(baddr >> 32, ®s->RxRingHi);
 | 
						|
	writel(baddr & 0xffffffff, ®s->RxRingLo);
 | 
						|
#else
 | 
						|
	writel(0, ®s->RxRingHi);
 | 
						|
	writel(baddr, ®s->RxRingLo);
 | 
						|
#endif
 | 
						|
	mb();
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static inline void set_infoaddr(struct rr_regs __iomem *regs, volatile dma_addr_t addr)
 | 
						|
{
 | 
						|
	unsigned long baddr = addr;
 | 
						|
#if (BITS_PER_LONG == 64) && defined(__LITTLE_ENDIAN)
 | 
						|
	writel(baddr & 0xffffffff, ®s->InfoPtrHi);
 | 
						|
	writel(baddr >> 32, ®s->InfoPtrLo);
 | 
						|
#elif (BITS_PER_LONG == 64)
 | 
						|
	writel(baddr >> 32, ®s->InfoPtrHi);
 | 
						|
	writel(baddr & 0xffffffff, ®s->InfoPtrLo);
 | 
						|
#else
 | 
						|
	writel(0, ®s->InfoPtrHi);
 | 
						|
	writel(baddr, ®s->InfoPtrLo);
 | 
						|
#endif
 | 
						|
	mb();
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * TX ring
 | 
						|
 */
 | 
						|
 | 
						|
#ifdef CONFIG_ROADRUNNER_LARGE_RINGS
 | 
						|
#define TX_RING_ENTRIES	32
 | 
						|
#else
 | 
						|
#define TX_RING_ENTRIES	16
 | 
						|
#endif
 | 
						|
#define TX_TOTAL_SIZE	(TX_RING_ENTRIES * sizeof(struct tx_desc))
 | 
						|
 | 
						|
struct tx_desc{
 | 
						|
	rraddr	addr;
 | 
						|
	u32	res;
 | 
						|
#ifdef __LITTLE_ENDIAN
 | 
						|
	u16	size;
 | 
						|
	u8	pad;
 | 
						|
	u8	mode;
 | 
						|
#else
 | 
						|
	u8	mode;
 | 
						|
	u8	pad;
 | 
						|
	u16	size;
 | 
						|
#endif
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
#ifdef CONFIG_ROADRUNNER_LARGE_RINGS
 | 
						|
#define RX_RING_ENTRIES	32
 | 
						|
#else
 | 
						|
#define RX_RING_ENTRIES 16
 | 
						|
#endif
 | 
						|
#define RX_TOTAL_SIZE	(RX_RING_ENTRIES * sizeof(struct rx_desc))
 | 
						|
 | 
						|
struct rx_desc{
 | 
						|
	rraddr	addr;
 | 
						|
	u32	res;
 | 
						|
#ifdef __LITTLE_ENDIAN
 | 
						|
	u16	size;
 | 
						|
	u8	pad;
 | 
						|
	u8	mode;
 | 
						|
#else
 | 
						|
	u8	mode;
 | 
						|
	u8	pad;
 | 
						|
	u16	size;
 | 
						|
#endif
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * ioctl's
 | 
						|
 */
 | 
						|
 | 
						|
#define SIOCRRPFW	SIOCDEVPRIVATE		/* put firmware */
 | 
						|
#define SIOCRRGFW	SIOCDEVPRIVATE+1	/* get firmware */
 | 
						|
#define SIOCRRID	SIOCDEVPRIVATE+2	/* identify */
 | 
						|
 | 
						|
 | 
						|
struct seg_hdr {
 | 
						|
	u32	seg_start;
 | 
						|
	u32	seg_len;
 | 
						|
	u32	seg_eestart;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
#define EEPROM_BASE 0x80000000
 | 
						|
#define EEPROM_WORDS 8192
 | 
						|
#define EEPROM_BYTES (EEPROM_WORDS * sizeof(u32))
 | 
						|
 | 
						|
struct eeprom_boot {
 | 
						|
	u32	key1;
 | 
						|
	u32	key2;
 | 
						|
	u32	sram_size;
 | 
						|
	struct	seg_hdr loader;
 | 
						|
	u32	init_chksum;
 | 
						|
	u32	reserved1;
 | 
						|
};
 | 
						|
 | 
						|
struct eeprom_manf {
 | 
						|
	u32	HeaderFmt;
 | 
						|
	u32	Firmware;
 | 
						|
	u32	BoardRevision;
 | 
						|
	u32	RoadrunnerRev;
 | 
						|
	char	OpticsPart[8];
 | 
						|
	u32	OpticsRev;
 | 
						|
	u32	pad1;
 | 
						|
	char	SramPart[8];
 | 
						|
	u32	SramRev;
 | 
						|
	u32	pad2;
 | 
						|
	char	EepromPart[8];
 | 
						|
	u32	EepromRev;
 | 
						|
	u32	EepromSize;
 | 
						|
	char	PalPart[8];
 | 
						|
	u32	PalRev;
 | 
						|
	u32	pad3;
 | 
						|
	char	PalCodeFile[12];
 | 
						|
	u32	PalCodeRev;
 | 
						|
	char	BoardULA[8];
 | 
						|
	char	SerialNo[8];
 | 
						|
	char	MfgDate[8];
 | 
						|
	char	MfgTime[8];
 | 
						|
	char	ModifyDate[8];
 | 
						|
	u32	ModCount;
 | 
						|
	u32	pad4[13];
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
struct eeprom_phase_info {
 | 
						|
	char	phase1File[12];
 | 
						|
	u32	phase1Rev;
 | 
						|
	char	phase1Date[8];
 | 
						|
	char	phase2File[12];
 | 
						|
	u32	phase2Rev;
 | 
						|
	char	phase2Date[8];
 | 
						|
	u32	reserved7[4];
 | 
						|
};
 | 
						|
 | 
						|
struct eeprom_rncd_info {
 | 
						|
	u32	FwStart;
 | 
						|
	u32	FwRev;
 | 
						|
	char	FwDate[8];
 | 
						|
	u32	AddrRunCodeSegs;
 | 
						|
	u32	FileNames;
 | 
						|
	char	File[13][8];
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
/* Phase 1 region (starts are word offset 0x80) */
 | 
						|
struct phase1_hdr{
 | 
						|
	u32	jump;
 | 
						|
	u32	noop;
 | 
						|
	struct seg_hdr phase2Seg;
 | 
						|
};
 | 
						|
 | 
						|
struct eeprom {
 | 
						|
	struct eeprom_boot	boot;
 | 
						|
	u32			pad1[8];
 | 
						|
	struct eeprom_manf	manf;
 | 
						|
	struct eeprom_phase_info phase_info;
 | 
						|
	struct eeprom_rncd_info	rncd_info;
 | 
						|
	u32			pad2[15];
 | 
						|
	u32			hdr_checksum;
 | 
						|
	struct phase1_hdr	phase1;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
struct rr_stats {
 | 
						|
	u32	NicTimeStamp;
 | 
						|
	u32	RngCreated;
 | 
						|
	u32	RngDeleted;
 | 
						|
	u32	IntrGen;
 | 
						|
	u32	NEvtOvfl;
 | 
						|
	u32	InvCmd;
 | 
						|
	u32	DmaReadErrs;
 | 
						|
	u32	DmaWriteErrs;
 | 
						|
	u32	StatUpdtT;
 | 
						|
	u32	StatUpdtC;
 | 
						|
	u32	WatchDog;
 | 
						|
	u32	Trace;
 | 
						|
 | 
						|
	/* Serial HIPPI */
 | 
						|
	u32	LnkRdyEst;
 | 
						|
	u32	GLinkErr;
 | 
						|
	u32	AltFlgErr;
 | 
						|
	u32	OvhdBit8Sync;
 | 
						|
	u32	RmtSerPrtyErr;
 | 
						|
	u32	RmtParPrtyErr;
 | 
						|
	u32	RmtLoopBk;
 | 
						|
	u32	pad1;
 | 
						|
 | 
						|
	/* HIPPI tx */
 | 
						|
	u32	ConEst;
 | 
						|
	u32	ConRejS;
 | 
						|
	u32	ConRetry;
 | 
						|
	u32	ConTmOut;
 | 
						|
	u32	SndConDiscon;
 | 
						|
	u32	SndParErr;
 | 
						|
	u32	PktSnt;
 | 
						|
	u32	pad2[2];
 | 
						|
	u32	ShFBstSnt;
 | 
						|
	u64	BytSent;
 | 
						|
	u32	TxTimeout;
 | 
						|
	u32	pad3[3];
 | 
						|
 | 
						|
	/* HIPPI rx */
 | 
						|
	u32	ConAcc;
 | 
						|
	u32	ConRejdiPrty;
 | 
						|
	u32	ConRejd64b;
 | 
						|
	u32	ConRejdBuf;
 | 
						|
	u32	RxConDiscon;
 | 
						|
	u32	RxConNoData;
 | 
						|
	u32	PktRx;
 | 
						|
	u32	pad4[2];
 | 
						|
	u32	ShFBstRx;
 | 
						|
	u64	BytRx;
 | 
						|
	u32	RxParErr;
 | 
						|
	u32	RxLLRCerr;
 | 
						|
	u32	RxBstSZerr;
 | 
						|
	u32	RxStateErr;
 | 
						|
	u32	RxRdyErr;
 | 
						|
	u32	RxInvULP;
 | 
						|
	u32	RxSpcBuf;
 | 
						|
	u32	RxSpcDesc;
 | 
						|
	u32	RxRngSpc;
 | 
						|
	u32	RxRngFull;
 | 
						|
	u32	RxPktLenErr;
 | 
						|
	u32	RxCksmErr;
 | 
						|
	u32	RxPktDrp;
 | 
						|
	u32	RngLowSpc;
 | 
						|
	u32	RngDataClose;
 | 
						|
	u32	RxTimeout;
 | 
						|
	u32	RxIdle;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * This struct is shared with the NIC firmware.
 | 
						|
 */
 | 
						|
struct ring_ctrl {
 | 
						|
	rraddr	rngptr;
 | 
						|
#ifdef __LITTLE_ENDIAN
 | 
						|
	u16	entries;
 | 
						|
	u8	pad;
 | 
						|
	u8	entry_size;
 | 
						|
	u16	pi;
 | 
						|
	u16	mode;
 | 
						|
#else
 | 
						|
	u8	entry_size;
 | 
						|
	u8	pad;
 | 
						|
	u16	entries;
 | 
						|
	u16	mode;
 | 
						|
	u16	pi;
 | 
						|
#endif
 | 
						|
};
 | 
						|
 | 
						|
struct rr_info {
 | 
						|
	union {
 | 
						|
		struct rr_stats stats;
 | 
						|
		u32 stati[128];
 | 
						|
	} s;
 | 
						|
	struct ring_ctrl	evt_ctrl;
 | 
						|
	struct ring_ctrl	cmd_ctrl;
 | 
						|
	struct ring_ctrl	tx_ctrl;
 | 
						|
	u8			pad[464];
 | 
						|
	u8			trace[3072];
 | 
						|
};
 | 
						|
 | 
						|
/*
 | 
						|
 * The linux structure for the RoadRunner.
 | 
						|
 *
 | 
						|
 * RX/TX descriptors are put first to make sure they are properly
 | 
						|
 * aligned and do not cross cache-line boundaries.
 | 
						|
 */
 | 
						|
 | 
						|
struct rr_private
 | 
						|
{
 | 
						|
	struct rx_desc		*rx_ring;
 | 
						|
	struct tx_desc		*tx_ring;
 | 
						|
	struct event		*evt_ring;
 | 
						|
	dma_addr_t 		tx_ring_dma;
 | 
						|
	dma_addr_t 		rx_ring_dma;
 | 
						|
	dma_addr_t 		evt_ring_dma;
 | 
						|
	/* Alignment ok ? */
 | 
						|
	struct sk_buff		*rx_skbuff[RX_RING_ENTRIES];
 | 
						|
	struct sk_buff		*tx_skbuff[TX_RING_ENTRIES];
 | 
						|
	struct rr_regs		__iomem *regs;		/* Register base */
 | 
						|
	struct ring_ctrl	*rx_ctrl;	/* Receive ring control */
 | 
						|
	struct rr_info		*info;		/* Shared info page */
 | 
						|
	dma_addr_t 		rx_ctrl_dma;
 | 
						|
	dma_addr_t 		info_dma;
 | 
						|
	spinlock_t		lock;
 | 
						|
	struct timer_list	timer;
 | 
						|
	u32			cur_rx, cur_cmd, cur_evt;
 | 
						|
	u32			dirty_rx, dirty_tx;
 | 
						|
	u32			tx_full;
 | 
						|
	u32			fw_rev;
 | 
						|
	volatile short		fw_running;
 | 
						|
	struct pci_dev		*pci_dev;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * Prototypes
 | 
						|
 */
 | 
						|
static int rr_init(struct net_device *dev);
 | 
						|
static int rr_init1(struct net_device *dev);
 | 
						|
static irqreturn_t rr_interrupt(int irq, void *dev_id);
 | 
						|
 | 
						|
static int rr_open(struct net_device *dev);
 | 
						|
static netdev_tx_t rr_start_xmit(struct sk_buff *skb,
 | 
						|
				 struct net_device *dev);
 | 
						|
static int rr_close(struct net_device *dev);
 | 
						|
static int rr_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
 | 
						|
static unsigned int rr_read_eeprom(struct rr_private *rrpriv,
 | 
						|
				   unsigned long offset,
 | 
						|
				   unsigned char *buf,
 | 
						|
				   unsigned long length);
 | 
						|
static u32 rr_read_eeprom_word(struct rr_private *rrpriv, size_t offset);
 | 
						|
static int rr_load_firmware(struct net_device *dev);
 | 
						|
static inline void rr_raz_tx(struct rr_private *, struct net_device *);
 | 
						|
static inline void rr_raz_rx(struct rr_private *, struct net_device *);
 | 
						|
#endif /* _RRUNNER_H_ */
 |