The DMA API is preferred. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
		
			
				
	
	
		
			796 lines
		
	
	
	
		
			16 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			796 lines
		
	
	
	
		
			16 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef _ACENIC_H_
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#define _ACENIC_H_
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/*
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 * Generate TX index update each time, when TX ring is closed.
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 * Normally, this is not useful, because results in more dma (and irqs
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 * without TX_COAL_INTS_ONLY).
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 */
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#define USE_TX_COAL_NOW	 0
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/*
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 * Addressing:
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 *
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 * The Tigon uses 64-bit host addresses, regardless of their actual
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 * length, and it expects a big-endian format. For 32 bit systems the
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 * upper 32 bits of the address are simply ignored (zero), however for
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 * little endian 64 bit systems (Alpha) this looks strange with the
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 * two parts of the address word being swapped.
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 *
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 * The addresses are split in two 32 bit words for all architectures
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 * as some of them are in PCI shared memory and it is necessary to use
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 * readl/writel to access them.
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 *
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 * The addressing code is derived from Pete Wyckoff's work, but
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 * modified to deal properly with readl/writel usage.
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 */
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struct ace_regs {
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	u32	pad0[16];	/* PCI control registers */
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	u32	HostCtrl;	/* 0x40 */
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	u32	LocalCtrl;
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	u32	pad1[2];
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	u32	MiscCfg;	/* 0x50 */
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	u32	pad2[2];
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	u32	PciState;
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	u32	pad3[2];	/* 0x60 */
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	u32	WinBase;
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	u32	WinData;
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	u32	pad4[12];	/* 0x70 */
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	u32	DmaWriteState;	/* 0xa0 */
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	u32	pad5[3];
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	u32	DmaReadState;	/* 0xb0 */
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	u32	pad6[26];
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	u32	AssistState;
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	u32	pad7[8];	/* 0x120 */
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	u32	CpuCtrl;	/* 0x140 */
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	u32	Pc;
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	u32	pad8[3];
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	u32	SramAddr;	/* 0x154 */
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	u32	SramData;
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	u32	pad9[49];
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	u32	MacRxState;	/* 0x220 */
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	u32	pad10[7];
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	u32	CpuBCtrl;	/* 0x240 */
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	u32	PcB;
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	u32	pad11[3];
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	u32	SramBAddr;	/* 0x254 */
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	u32	SramBData;
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	u32	pad12[105];
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	u32	pad13[32];	/* 0x400 */
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	u32	Stats[32];
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	u32	Mb0Hi;		/* 0x500 */
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	u32	Mb0Lo;
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	u32	Mb1Hi;
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	u32	CmdPrd;
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	u32	Mb2Hi;
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	u32	TxPrd;
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	u32	Mb3Hi;
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	u32	RxStdPrd;
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	u32	Mb4Hi;
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	u32	RxJumboPrd;
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	u32	Mb5Hi;
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	u32	RxMiniPrd;
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	u32	Mb6Hi;
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	u32	Mb6Lo;
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	u32	Mb7Hi;
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	u32	Mb7Lo;
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	u32	Mb8Hi;
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	u32	Mb8Lo;
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	u32	Mb9Hi;
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	u32	Mb9Lo;
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	u32	MbAHi;
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	u32	MbALo;
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	u32	MbBHi;
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	u32	MbBLo;
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	u32	MbCHi;
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	u32	MbCLo;
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	u32	MbDHi;
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	u32	MbDLo;
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	u32	MbEHi;
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	u32	MbELo;
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	u32	MbFHi;
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	u32	MbFLo;
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	u32	pad14[32];
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	u32	MacAddrHi;	/* 0x600 */
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	u32	MacAddrLo;
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	u32	InfoPtrHi;
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	u32	InfoPtrLo;
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	u32	MultiCastHi;	/* 0x610 */
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	u32	MultiCastLo;
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	u32	ModeStat;
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	u32	DmaReadCfg;
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	u32	DmaWriteCfg;	/* 0x620 */
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	u32	TxBufRat;
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	u32	EvtCsm;
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	u32	CmdCsm;
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	u32	TuneRxCoalTicks;/* 0x630 */
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	u32	TuneTxCoalTicks;
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	u32	TuneStatTicks;
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	u32	TuneMaxTxDesc;
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	u32	TuneMaxRxDesc;	/* 0x640 */
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	u32	TuneTrace;
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	u32	TuneLink;
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	u32	TuneFastLink;
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	u32	TracePtr;	/* 0x650 */
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	u32	TraceStrt;
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	u32	TraceLen;
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	u32	IfIdx;
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	u32	IfMtu;		/* 0x660 */
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	u32	MaskInt;
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	u32	GigLnkState;
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	u32	FastLnkState;
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	u32	pad16[4];	/* 0x670 */
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	u32	RxRetCsm;	/* 0x680 */
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	u32	pad17[31];
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	u32	CmdRng[64];	/* 0x700 */
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	u32	Window[0x200];
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};
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typedef struct {
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	u32 addrhi;
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	u32 addrlo;
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} aceaddr;
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#define ACE_WINDOW_SIZE	0x800
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#define ACE_JUMBO_MTU 9000
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#define ACE_STD_MTU 1500
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#define ACE_TRACE_SIZE 0x8000
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/*
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 * Host control register bits.
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 */
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#define IN_INT		0x01
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#define CLR_INT		0x02
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#define HW_RESET	0x08
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#define BYTE_SWAP	0x10
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#define WORD_SWAP	0x20
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#define MASK_INTS	0x40
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/*
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 * Local control register bits.
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 */
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#define EEPROM_DATA_IN		0x800000
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#define EEPROM_DATA_OUT		0x400000
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#define EEPROM_WRITE_ENABLE	0x200000
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#define EEPROM_CLK_OUT		0x100000
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#define EEPROM_BASE		0xa0000000
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#define EEPROM_WRITE_SELECT	0xa0
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#define EEPROM_READ_SELECT	0xa1
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#define SRAM_BANK_512K		0x200
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/*
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 * udelay() values for when clocking the eeprom
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 */
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#define ACE_SHORT_DELAY		2
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#define ACE_LONG_DELAY		4
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/*
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 * Misc Config bits
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 */
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#define SYNC_SRAM_TIMING	0x100000
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/*
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 * CPU state bits.
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 */
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#define CPU_RESET		0x01
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#define CPU_TRACE		0x02
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#define CPU_PROM_FAILED		0x10
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#define CPU_HALT		0x00010000
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#define CPU_HALTED		0xffff0000
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/*
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 * PCI State bits.
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 */
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#define DMA_READ_MAX_4		0x04
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#define DMA_READ_MAX_16		0x08
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#define DMA_READ_MAX_32		0x0c
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#define DMA_READ_MAX_64		0x10
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#define DMA_READ_MAX_128	0x14
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#define DMA_READ_MAX_256	0x18
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#define DMA_READ_MAX_1K		0x1c
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#define DMA_WRITE_MAX_4		0x20
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#define DMA_WRITE_MAX_16	0x40
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#define DMA_WRITE_MAX_32	0x60
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#define DMA_WRITE_MAX_64	0x80
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#define DMA_WRITE_MAX_128	0xa0
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#define DMA_WRITE_MAX_256	0xc0
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#define DMA_WRITE_MAX_1K	0xe0
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#define DMA_READ_WRITE_MASK	0xfc
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#define MEM_READ_MULTIPLE	0x00020000
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#define PCI_66MHZ		0x00080000
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#define PCI_32BIT		0x00100000
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#define DMA_WRITE_ALL_ALIGN	0x00800000
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#define READ_CMD_MEM		0x06000000
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#define WRITE_CMD_MEM		0x70000000
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/*
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 * Mode status
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 */
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#define ACE_BYTE_SWAP_BD	0x02
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#define ACE_WORD_SWAP_BD	0x04		/* not actually used */
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#define ACE_WARN		0x08
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#define ACE_BYTE_SWAP_DMA	0x10
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#define ACE_NO_JUMBO_FRAG	0x200
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#define ACE_FATAL		0x40000000
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/*
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 * DMA config
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 */
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#define DMA_THRESH_1W		0x10
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#define DMA_THRESH_2W		0x20
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#define DMA_THRESH_4W		0x40
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#define DMA_THRESH_8W		0x80
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#define DMA_THRESH_16W		0x100
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#define DMA_THRESH_32W		0x0	/* not described in doc, but exists. */
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/*
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 * Tuning parameters
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 */
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#define TICKS_PER_SEC		1000000
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/*
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 * Link bits
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 */
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#define LNK_PREF		0x00008000
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#define LNK_10MB		0x00010000
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#define LNK_100MB		0x00020000
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#define LNK_1000MB		0x00040000
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#define LNK_FULL_DUPLEX		0x00080000
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#define LNK_HALF_DUPLEX		0x00100000
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#define LNK_TX_FLOW_CTL_Y	0x00200000
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#define LNK_NEG_ADVANCED	0x00400000
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#define LNK_RX_FLOW_CTL_Y	0x00800000
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#define LNK_NIC			0x01000000
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#define LNK_JAM			0x02000000
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#define LNK_JUMBO		0x04000000
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#define LNK_ALTEON		0x08000000
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#define LNK_NEG_FCTL		0x10000000
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#define LNK_NEGOTIATE		0x20000000
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#define LNK_ENABLE		0x40000000
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#define LNK_UP			0x80000000
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/*
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 * Event definitions
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 */
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#define EVT_RING_ENTRIES	256
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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_BITFIELD
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	u32	idx:12;
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	u32	code:12;
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	u32	evt:8;
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#else
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	u32	evt:8;
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	u32	code:12;
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	u32	idx:12;
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#endif
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	u32     pad;
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};
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/*
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 * Events
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 */
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#define E_FW_RUNNING		0x01
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#define E_STATS_UPDATED		0x04
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#define E_STATS_UPDATE		0x04
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#define E_LNK_STATE		0x06
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#define E_C_LINK_UP		0x01
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#define E_C_LINK_DOWN		0x02
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#define E_C_LINK_10_100		0x03
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#define E_ERROR			0x07
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#define E_C_ERR_INVAL_CMD	0x01
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#define E_C_ERR_UNIMP_CMD	0x02
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#define E_C_ERR_BAD_CFG		0x03
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#define E_MCAST_LIST		0x08
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#define E_C_MCAST_ADDR_ADD	0x01
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#define E_C_MCAST_ADDR_DEL	0x02
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#define E_RESET_JUMBO_RNG	0x09
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/*
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 * Commands
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 */
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#define CMD_RING_ENTRIES	64
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struct cmd {
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#ifdef __LITTLE_ENDIAN_BITFIELD
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	u32	idx:12;
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	u32	code:12;
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	u32	evt:8;
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#else
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	u32	evt:8;
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	u32	code:12;
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	u32	idx:12;
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#endif
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};
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#define C_HOST_STATE		0x01
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#define C_C_STACK_UP		0x01
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#define C_C_STACK_DOWN		0x02
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#define C_FDR_FILTERING		0x02
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#define C_C_FDR_FILT_ENABLE	0x01
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#define C_C_FDR_FILT_DISABLE	0x02
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#define C_SET_RX_PRD_IDX	0x03
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#define C_UPDATE_STATS		0x04
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#define C_RESET_JUMBO_RNG	0x05
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#define C_ADD_MULTICAST_ADDR	0x08
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#define C_DEL_MULTICAST_ADDR	0x09
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#define C_SET_PROMISC_MODE	0x0a
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#define C_C_PROMISC_ENABLE	0x01
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#define C_C_PROMISC_DISABLE	0x02
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#define C_LNK_NEGOTIATION	0x0b
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#define C_C_NEGOTIATE_BOTH	0x00
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#define C_C_NEGOTIATE_GIG	0x01
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#define C_C_NEGOTIATE_10_100	0x02
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#define C_SET_MAC_ADDR		0x0c
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#define C_CLEAR_PROFILE		0x0d
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#define C_SET_MULTICAST_MODE	0x0e
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#define C_C_MCAST_ENABLE	0x01
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#define C_C_MCAST_DISABLE	0x02
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#define C_CLEAR_STATS		0x0f
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#define C_SET_RX_JUMBO_PRD_IDX	0x10
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#define C_REFRESH_STATS		0x11
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/*
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 * Descriptor flags
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 */
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#define BD_FLG_TCP_UDP_SUM	0x01
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#define BD_FLG_IP_SUM		0x02
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#define BD_FLG_END		0x04
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#define BD_FLG_MORE		0x08
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#define BD_FLG_JUMBO		0x10
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#define BD_FLG_UCAST		0x20
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#define BD_FLG_MCAST		0x40
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#define BD_FLG_BCAST		0x60
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#define BD_FLG_TYP_MASK		0x60
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#define BD_FLG_IP_FRAG		0x80
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#define BD_FLG_IP_FRAG_END	0x100
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#define BD_FLG_VLAN_TAG		0x200
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#define BD_FLG_FRAME_ERROR	0x400
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#define BD_FLG_COAL_NOW		0x800
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#define BD_FLG_MINI		0x1000
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/*
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 * Ring Control block flags
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 */
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#define RCB_FLG_TCP_UDP_SUM	0x01
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#define RCB_FLG_IP_SUM		0x02
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#define RCB_FLG_NO_PSEUDO_HDR	0x08
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#define RCB_FLG_VLAN_ASSIST	0x10
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#define RCB_FLG_COAL_INT_ONLY	0x20
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#define RCB_FLG_TX_HOST_RING	0x40
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#define RCB_FLG_IEEE_SNAP_SUM	0x80
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#define RCB_FLG_EXT_RX_BD	0x100
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#define RCB_FLG_RNG_DISABLE	0x200
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/*
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 * TX ring - maximum TX ring entries for Tigon I's is 128
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 */
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#define MAX_TX_RING_ENTRIES	256
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#define TIGON_I_TX_RING_ENTRIES	128
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#define TX_RING_SIZE		(MAX_TX_RING_ENTRIES * sizeof(struct tx_desc))
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#define TX_RING_BASE		0x3800
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struct tx_desc{
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        aceaddr	addr;
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	u32	flagsize;
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#if 0
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/*
 | 
						|
 * This is in PCI shared mem and must be accessed with readl/writel
 | 
						|
 * real layout is:
 | 
						|
 */
 | 
						|
#if __LITTLE_ENDIAN
 | 
						|
	u16	flags;
 | 
						|
	u16	size;
 | 
						|
	u16	vlan;
 | 
						|
	u16	reserved;
 | 
						|
#else
 | 
						|
	u16	size;
 | 
						|
	u16	flags;
 | 
						|
	u16	reserved;
 | 
						|
	u16	vlan;
 | 
						|
#endif
 | 
						|
#endif
 | 
						|
	u32	vlanres;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
#define RX_STD_RING_ENTRIES	512
 | 
						|
#define RX_STD_RING_SIZE	(RX_STD_RING_ENTRIES * sizeof(struct rx_desc))
 | 
						|
 | 
						|
#define RX_JUMBO_RING_ENTRIES	256
 | 
						|
#define RX_JUMBO_RING_SIZE	(RX_JUMBO_RING_ENTRIES *sizeof(struct rx_desc))
 | 
						|
 | 
						|
#define RX_MINI_RING_ENTRIES	1024
 | 
						|
#define RX_MINI_RING_SIZE	(RX_MINI_RING_ENTRIES *sizeof(struct rx_desc))
 | 
						|
 | 
						|
#define RX_RETURN_RING_ENTRIES	2048
 | 
						|
#define RX_RETURN_RING_SIZE	(RX_MAX_RETURN_RING_ENTRIES * \
 | 
						|
				 sizeof(struct rx_desc))
 | 
						|
 | 
						|
struct rx_desc{
 | 
						|
	aceaddr	addr;
 | 
						|
#ifdef __LITTLE_ENDIAN
 | 
						|
	u16	size;
 | 
						|
	u16	idx;
 | 
						|
#else
 | 
						|
	u16	idx;
 | 
						|
	u16	size;
 | 
						|
#endif
 | 
						|
#ifdef __LITTLE_ENDIAN
 | 
						|
	u16	flags;
 | 
						|
	u16	type;
 | 
						|
#else
 | 
						|
	u16	type;
 | 
						|
	u16	flags;
 | 
						|
#endif
 | 
						|
#ifdef __LITTLE_ENDIAN
 | 
						|
	u16	tcp_udp_csum;
 | 
						|
	u16	ip_csum;
 | 
						|
#else
 | 
						|
	u16	ip_csum;
 | 
						|
	u16	tcp_udp_csum;
 | 
						|
#endif
 | 
						|
#ifdef __LITTLE_ENDIAN
 | 
						|
	u16	vlan;
 | 
						|
	u16	err_flags;
 | 
						|
#else
 | 
						|
	u16	err_flags;
 | 
						|
	u16	vlan;
 | 
						|
#endif
 | 
						|
	u32	reserved;
 | 
						|
	u32	opague;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * This struct is shared with the NIC firmware.
 | 
						|
 */
 | 
						|
struct ring_ctrl {
 | 
						|
	aceaddr	rngptr;
 | 
						|
#ifdef __LITTLE_ENDIAN
 | 
						|
	u16	flags;
 | 
						|
	u16	max_len;
 | 
						|
#else
 | 
						|
	u16	max_len;
 | 
						|
	u16	flags;
 | 
						|
#endif
 | 
						|
	u32	pad;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
struct ace_mac_stats {
 | 
						|
	u32 excess_colls;
 | 
						|
	u32 coll_1;
 | 
						|
	u32 coll_2;
 | 
						|
	u32 coll_3;
 | 
						|
	u32 coll_4;
 | 
						|
	u32 coll_5;
 | 
						|
	u32 coll_6;
 | 
						|
	u32 coll_7;
 | 
						|
	u32 coll_8;
 | 
						|
	u32 coll_9;
 | 
						|
	u32 coll_10;
 | 
						|
	u32 coll_11;
 | 
						|
	u32 coll_12;
 | 
						|
	u32 coll_13;
 | 
						|
	u32 coll_14;
 | 
						|
	u32 coll_15;
 | 
						|
	u32 late_coll;
 | 
						|
	u32 defers;
 | 
						|
	u32 crc_err;
 | 
						|
	u32 underrun;
 | 
						|
	u32 crs_err;
 | 
						|
	u32 pad[3];
 | 
						|
	u32 drop_ula;
 | 
						|
	u32 drop_mc;
 | 
						|
	u32 drop_fc;
 | 
						|
	u32 drop_space;
 | 
						|
	u32 coll;
 | 
						|
	u32 kept_bc;
 | 
						|
	u32 kept_mc;
 | 
						|
	u32 kept_uc;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
struct ace_info {
 | 
						|
	union {
 | 
						|
		u32 stats[256];
 | 
						|
	} s;
 | 
						|
	struct ring_ctrl	evt_ctrl;
 | 
						|
	struct ring_ctrl	cmd_ctrl;
 | 
						|
	struct ring_ctrl	tx_ctrl;
 | 
						|
	struct ring_ctrl	rx_std_ctrl;
 | 
						|
	struct ring_ctrl	rx_jumbo_ctrl;
 | 
						|
	struct ring_ctrl	rx_mini_ctrl;
 | 
						|
	struct ring_ctrl	rx_return_ctrl;
 | 
						|
	aceaddr	evt_prd_ptr;
 | 
						|
	aceaddr	rx_ret_prd_ptr;
 | 
						|
	aceaddr	tx_csm_ptr;
 | 
						|
	aceaddr	stats2_ptr;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
struct ring_info {
 | 
						|
	struct sk_buff		*skb;
 | 
						|
	DEFINE_DMA_UNMAP_ADDR(mapping);
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * Funny... As soon as we add maplen on alpha, it starts to work
 | 
						|
 * much slower. Hmm... is it because struct does not fit to one cacheline?
 | 
						|
 * So, split tx_ring_info.
 | 
						|
 */
 | 
						|
struct tx_ring_info {
 | 
						|
	struct sk_buff		*skb;
 | 
						|
	DEFINE_DMA_UNMAP_ADDR(mapping);
 | 
						|
	DEFINE_DMA_UNMAP_LEN(maplen);
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * struct ace_skb holding the rings of skb's. This is an awful lot of
 | 
						|
 * pointers, but I don't see any other smart mode to do this in an
 | 
						|
 * efficient manner ;-(
 | 
						|
 */
 | 
						|
struct ace_skb
 | 
						|
{
 | 
						|
	struct tx_ring_info	tx_skbuff[MAX_TX_RING_ENTRIES];
 | 
						|
	struct ring_info	rx_std_skbuff[RX_STD_RING_ENTRIES];
 | 
						|
	struct ring_info	rx_mini_skbuff[RX_MINI_RING_ENTRIES];
 | 
						|
	struct ring_info	rx_jumbo_skbuff[RX_JUMBO_RING_ENTRIES];
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * Struct private for the AceNIC.
 | 
						|
 *
 | 
						|
 * Elements are grouped so variables used by the tx handling goes
 | 
						|
 * together, and will go into the same cache lines etc. in order to
 | 
						|
 * avoid cache line contention between the rx and tx handling on SMP.
 | 
						|
 *
 | 
						|
 * Frequently accessed variables are put at the beginning of the
 | 
						|
 * struct to help the compiler generate better/shorter code.
 | 
						|
 */
 | 
						|
struct ace_private
 | 
						|
{
 | 
						|
	struct ace_info		*info;
 | 
						|
	struct ace_regs	__iomem	*regs;		/* register base */
 | 
						|
	struct ace_skb		*skb;
 | 
						|
	dma_addr_t		info_dma;	/* 32/64 bit */
 | 
						|
 | 
						|
	int			version, link;
 | 
						|
	int			promisc, mcast_all;
 | 
						|
 | 
						|
	/*
 | 
						|
	 * TX elements
 | 
						|
	 */
 | 
						|
	struct tx_desc		*tx_ring;
 | 
						|
	u32			tx_prd;
 | 
						|
	volatile u32		tx_ret_csm;
 | 
						|
	int			tx_ring_entries;
 | 
						|
 | 
						|
	/*
 | 
						|
	 * RX elements
 | 
						|
	 */
 | 
						|
	unsigned long		std_refill_busy
 | 
						|
				__attribute__ ((aligned (SMP_CACHE_BYTES)));
 | 
						|
	unsigned long		mini_refill_busy, jumbo_refill_busy;
 | 
						|
	atomic_t		cur_rx_bufs;
 | 
						|
	atomic_t		cur_mini_bufs;
 | 
						|
	atomic_t		cur_jumbo_bufs;
 | 
						|
	u32			rx_std_skbprd, rx_mini_skbprd, rx_jumbo_skbprd;
 | 
						|
	u32			cur_rx;
 | 
						|
 | 
						|
	struct rx_desc		*rx_std_ring;
 | 
						|
	struct rx_desc		*rx_jumbo_ring;
 | 
						|
	struct rx_desc		*rx_mini_ring;
 | 
						|
	struct rx_desc		*rx_return_ring;
 | 
						|
 | 
						|
#if ACENIC_DO_VLAN
 | 
						|
	struct vlan_group	*vlgrp;
 | 
						|
#endif
 | 
						|
 | 
						|
	int			tasklet_pending, jumbo;
 | 
						|
	struct tasklet_struct	ace_tasklet;
 | 
						|
 | 
						|
	struct event		*evt_ring;
 | 
						|
 | 
						|
	volatile u32		*evt_prd, *rx_ret_prd, *tx_csm;
 | 
						|
 | 
						|
	dma_addr_t		tx_ring_dma;	/* 32/64 bit */
 | 
						|
	dma_addr_t		rx_ring_base_dma;
 | 
						|
	dma_addr_t		evt_ring_dma;
 | 
						|
	dma_addr_t		evt_prd_dma, rx_ret_prd_dma, tx_csm_dma;
 | 
						|
 | 
						|
	unsigned char		*trace_buf;
 | 
						|
	struct pci_dev		*pdev;
 | 
						|
	struct net_device	*next;
 | 
						|
	volatile int		fw_running;
 | 
						|
	int			board_idx;
 | 
						|
	u16			pci_command;
 | 
						|
	u8			pci_latency;
 | 
						|
	const char		*name;
 | 
						|
#ifdef INDEX_DEBUG
 | 
						|
	spinlock_t		debug_lock
 | 
						|
				__attribute__ ((aligned (SMP_CACHE_BYTES)));
 | 
						|
	u32			last_tx, last_std_rx, last_mini_rx;
 | 
						|
#endif
 | 
						|
	int			pci_using_dac;
 | 
						|
	u8			firmware_major;
 | 
						|
	u8			firmware_minor;
 | 
						|
	u8			firmware_fix;
 | 
						|
	u32			firmware_start;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
#define TX_RESERVED	MAX_SKB_FRAGS
 | 
						|
 | 
						|
static inline int tx_space (struct ace_private *ap, u32 csm, u32 prd)
 | 
						|
{
 | 
						|
	return (csm - prd - 1) & (ACE_TX_RING_ENTRIES(ap) - 1);
 | 
						|
}
 | 
						|
 | 
						|
#define tx_free(ap) 		tx_space((ap)->tx_ret_csm, (ap)->tx_prd, ap)
 | 
						|
#define tx_ring_full(ap, csm, prd)	(tx_space(ap, csm, prd) <= TX_RESERVED)
 | 
						|
 | 
						|
static inline void set_aceaddr(aceaddr *aa, dma_addr_t addr)
 | 
						|
{
 | 
						|
	u64 baddr = (u64) addr;
 | 
						|
	aa->addrlo = baddr & 0xffffffff;
 | 
						|
	aa->addrhi = baddr >> 32;
 | 
						|
	wmb();
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static inline void ace_set_txprd(struct ace_regs __iomem *regs,
 | 
						|
				 struct ace_private *ap, u32 value)
 | 
						|
{
 | 
						|
#ifdef INDEX_DEBUG
 | 
						|
	unsigned long flags;
 | 
						|
	spin_lock_irqsave(&ap->debug_lock, flags);
 | 
						|
	writel(value, ®s->TxPrd);
 | 
						|
	if (value == ap->last_tx)
 | 
						|
		printk(KERN_ERR "AceNIC RACE ALERT! writing identical value "
 | 
						|
		       "to tx producer (%i)\n", value);
 | 
						|
	ap->last_tx = value;
 | 
						|
	spin_unlock_irqrestore(&ap->debug_lock, flags);
 | 
						|
#else
 | 
						|
	writel(value, ®s->TxPrd);
 | 
						|
#endif
 | 
						|
	wmb();
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static inline void ace_mask_irq(struct net_device *dev)
 | 
						|
{
 | 
						|
	struct ace_private *ap = netdev_priv(dev);
 | 
						|
	struct ace_regs __iomem *regs = ap->regs;
 | 
						|
 | 
						|
	if (ACE_IS_TIGON_I(ap))
 | 
						|
		writel(1, ®s->MaskInt);
 | 
						|
	else
 | 
						|
		writel(readl(®s->HostCtrl) | MASK_INTS, ®s->HostCtrl);
 | 
						|
 | 
						|
	ace_sync_irq(dev->irq);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static inline void ace_unmask_irq(struct net_device *dev)
 | 
						|
{
 | 
						|
	struct ace_private *ap = netdev_priv(dev);
 | 
						|
	struct ace_regs __iomem *regs = ap->regs;
 | 
						|
 | 
						|
	if (ACE_IS_TIGON_I(ap))
 | 
						|
		writel(0, ®s->MaskInt);
 | 
						|
	else
 | 
						|
		writel(readl(®s->HostCtrl) & ~MASK_INTS, ®s->HostCtrl);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * Prototypes
 | 
						|
 */
 | 
						|
static int ace_init(struct net_device *dev);
 | 
						|
static void ace_load_std_rx_ring(struct ace_private *ap, int nr_bufs);
 | 
						|
static void ace_load_mini_rx_ring(struct ace_private *ap, int nr_bufs);
 | 
						|
static void ace_load_jumbo_rx_ring(struct ace_private *ap, int nr_bufs);
 | 
						|
static irqreturn_t ace_interrupt(int irq, void *dev_id);
 | 
						|
static int ace_load_firmware(struct net_device *dev);
 | 
						|
static int ace_open(struct net_device *dev);
 | 
						|
static netdev_tx_t ace_start_xmit(struct sk_buff *skb,
 | 
						|
				  struct net_device *dev);
 | 
						|
static int ace_close(struct net_device *dev);
 | 
						|
static void ace_tasklet(unsigned long dev);
 | 
						|
static void ace_dump_trace(struct ace_private *ap);
 | 
						|
static void ace_set_multicast_list(struct net_device *dev);
 | 
						|
static int ace_change_mtu(struct net_device *dev, int new_mtu);
 | 
						|
static int ace_set_mac_addr(struct net_device *dev, void *p);
 | 
						|
static void ace_set_rxtx_parms(struct net_device *dev, int jumbo);
 | 
						|
static int ace_allocate_descriptors(struct net_device *dev);
 | 
						|
static void ace_free_descriptors(struct net_device *dev);
 | 
						|
static void ace_init_cleanup(struct net_device *dev);
 | 
						|
static struct net_device_stats *ace_get_stats(struct net_device *dev);
 | 
						|
static int read_eeprom_byte(struct net_device *dev, unsigned long offset);
 | 
						|
#if ACENIC_DO_VLAN
 | 
						|
static void ace_vlan_rx_register(struct net_device *dev, struct vlan_group *grp);
 | 
						|
#endif
 | 
						|
 | 
						|
#endif /* _ACENIC_H_ */
 |