Merge with Linux 2.1.131 and more MIPS goodies.

(Did I mention that CVS is buggy ...)

1 files changed, 612 insertions, 0 deletions

diff --git a/drivers/net/acenic.h b/drivers/net/acenic.h
new file mode 100644
index 000000000..e84be5f7b
--- /dev/null
+++ b/drivers/net/acenic.h
@@ -0,0 +1,612 @@
+#ifndef _ACENIC_H_
+#define _ACENIC_H_
+
+#if ((BITS_PER_LONG != 32) && (BITS_PER_LONG != 64))
+#error "BITS_PER_LONG not defined or not valid"
+#endif
+
+
+struct ace_regs {
+
+	u32	pad0[16];	/* PCI control registers */
+
+	u32	HostCtrl;	/* 0x40 */
+	u32	LocalCtrl;
+
+	u32	pad1[2];
+
+	u32	MiscCfg;	/* 0x50 */
+
+	u32	pad2[2];
+
+	u32	PciState;
+
+	u32	pad3[2];	/* 0x60 */
+
+	u32	WinBase;
+	u32	WinData;
+
+	u32	pad4[12];	/* 0x70 */
+
+	u32	DmaWriteState;	/* 0xa0 */
+	u32	pad5[3];
+	u32	DmaReadState;	/* 0xb0 */
+
+	u32	pad6[26];
+
+	u32	AssistState;
+
+	u32	pad7[8];	/* 0x120 */
+
+	u32	CpuCtrl;	/* 0x140 */
+	u32	Pc;
+
+	u32	pad8[3];
+
+	u32	SramAddr;	/* 0x154 */
+	u32	SramData;
+
+	u32	pad9[49];
+
+	u32	MacRxState;	/* 0x220 */
+
+	u32	pad10[7];
+
+	u32	CpuBCtrl;	/* 0x240 */
+	u32	PcB;
+
+	u32	pad11[3];
+
+	u32	SramBAddr;	/* 0x254 */
+	u32	SramBData;
+
+	u32	pad12[105];
+
+	u32	pad13[32];	/* 0x400 */
+	u32	Stats[32];
+
+	u32	Mb0Hi;		/* 0x500 */
+	u32	Mb0Lo;
+	u32	Mb1Hi;
+	u32	CmdPrd;
+	u32	Mb2Hi;
+	u32	TxPrd;
+	u32	Mb3Hi;
+	u32	Mb3Lo;
+	u32	Mb4Hi;
+	u32	Mb4Lo;
+	u32	Mb5Hi;
+	u32	Mb5Lo;
+	u32	Mb6Hi;
+	u32	Mb6Lo;
+	u32	Mb7Hi;
+	u32	Mb7Lo;
+	u32	Mb8Hi;
+	u32	Mb8Lo;
+	u32	Mb9Hi;
+	u32	Mb9Lo;
+	u32	MbAHi;
+	u32	MbALo;
+	u32	MbBHi;
+	u32	MbBLo;
+	u32	MbCHi;
+	u32	MbCLo;
+	u32	MbDHi;
+	u32	MbDLo;
+	u32	MbEHi;
+	u32	MbELo;
+	u32	MbFHi;
+	u32	MbFLo;
+
+	u32	pad14[32];
+
+	u32	MacAddrHi;	/* 0x600 */
+	u32	MacAddrLo;
+	u32	InfoPtrHi;
+	u32	InfoPtrLo;
+	u32	MultiCastHi;	/* 0x610 */
+	u32	MultiCastLo;
+	u32	ModeStat;
+	u32	DmaReadCfg;
+	u32	DmaWriteCfg;	/* 0x620 */
+	u32	pad15;
+	u32	EvtCsm;
+	u32	CmdCsm;
+	u32	TuneRxCoalTicks;/* 0x630 */
+	u32	TuneTxCoalTicks;
+	u32	TuneStatTicks;
+	u32	TuneMaxTxDesc;
+	u32	TuneMaxRxDesc;	/* 0x640 */
+	u32	TuneTrace;
+	u32	TuneLink;
+	u32	TuneFastLink;
+	u32	TracePtr;	/* 0x650 */
+	u32	TraceStrt;
+	u32	TraceLen;
+	u32	IfIdx;
+	u32	IfMtu;		/* 0x660 */
+	u32	MaskInt;
+	u32	LnkState;
+	u32	FastLnkState;
+	u32	pad16[4];	/* 0x670 */
+	u32	RxRetCsm;	/* 0x680 */
+
+	u32	pad17[31];
+
+	u32	CmdRng[64];	/* 0x700 */
+	u32	Window[0x200];
+};
+
+#define ACE_WINDOW_SIZE	0x800
+
+#define ACE_JUMBO_MTU 9000
+#define ACE_STD_MTU 1500
+
+/*
+ * Host control register bits.
+ */
+	
+#define IN_INT		0x01
+#define CLR_INT		0x02
+#define BYTE_SWAP	0x10
+#define WORD_SWAP	0x20
+#define MASK_INTS	0x40
+
+/*
+ * Local control register bits.
+ */
+
+#define EEPROM_DATA_IN		0x800000
+#define EEPROM_DATA_OUT		0x400000
+#define EEPROM_WRITE_ENABLE	0x200000
+#define EEPROM_CLK_OUT		0x100000
+
+#define EEPROM_BASE		0xa0000000
+
+#define EEPROM_WRITE_SELECT	0xa0
+#define EEPROM_READ_SELECT	0xa1
+
+#define SRAM_BANK_512K		0x200
+
+
+/*
+ * Misc Config bits
+ */
+
+#define SYNC_SRAM_TIMING	0x100000
+
+
+/*
+ * CPU state bits.
+ */
+
+#define CPU_RESET		0x01
+#define CPU_TRACE		0x02
+#define CPU_PROM_FAILED		0x10
+#define CPU_HALT		0x00010000
+#define CPU_HALTED		0xffff0000
+
+
+/*
+ * PCI State bits.
+ */
+
+#define DMA_READ_MAX_4		0x04
+#define DMA_READ_MAX_16		0x08
+#define DMA_READ_MAX_32		0x0c
+#define DMA_READ_MAX_64		0x10
+#define DMA_READ_MAX_128	0x14
+#define DMA_READ_MAX_256	0x18
+#define DMA_READ_MAX_1K		0x1c
+#define DMA_WRITE_MAX_4		0x20
+#define DMA_WRITE_MAX_16	0x40
+#define DMA_WRITE_MAX_32	0x60
+#define DMA_WRITE_MAX_64	0x80
+#define DMA_WRITE_MAX_128	0xa0
+#define DMA_WRITE_MAX_256	0xc0
+#define DMA_WRITE_MAX_1K	0xe0
+#define DMA_WRITE_ALL_ALIGN	0x00800000
+#define READ_CMD_MEM		0x06000000
+#define WRITE_CMD_MEM		0x70000000
+
+
+/*
+ * Transmit status.
+ */
+
+#define ENA_XMIT		0x01
+#define PERM_CON		0x02
+
+
+/*
+ * Mode status
+ */
+
+#define ACE_BYTE_SWAP_DATA	0x10
+#define ACE_WARN		0x08
+#define ACE_WORD_SWAP		0x04
+#define ACE_FATAL		0x40000000
+
+
+/*
+ * DMA config
+ */
+
+#define DMA_THRESH_8W		0x80;
+
+
+/*
+ * Tuning parameters
+ */
+
+#define TICKS_PER_SEC		1000000
+
+
+/*
+ * Link bits
+ */
+
+#define LNK_PREF		0x00008000
+#define LNK_10MB		0x00010000
+#define LNK_100MB		0x00020000
+#define LNK_1000MB		0x00040000
+#define LNK_FULL_DUPLEX		0x00080000
+#define LNK_HALF_DUPLEX		0x00100000
+#define LNK_TX_FLOW_CTL_Y	0x00200000
+#define LNK_NEG_ADVANCED	0x00400000
+#define LNK_RX_FLOW_CTL_Y	0x00800000
+#define LNK_NIC			0x01000000
+#define LNK_JAM			0x02000000
+#define LNK_JUMBO		0x04000000
+#define LNK_ALTEON		0x08000000
+#define LNK_NEG_FCTL		0x10000000
+#define LNK_NEGOTIATE		0x20000000
+#define LNK_ENABLE		0x40000000
+#define LNK_UP			0x80000000
+
+
+/*
+ * Event definitions
+ */
+
+#define EVT_RING_ENTRIES	256
+#define EVT_RING_SIZE	(EVT_RING_ENTRIES * sizeof(struct event))
+
+struct event {
+#ifdef __LITTLE_ENDIAN
+	u32	idx:12;
+	u32	code:12;
+	u32	evt:8;
+#else
+	u32	evt:8;
+	u32	code:12;
+	u32	idx:12;
+#endif
+	u32     pad;
+};
+
+
+/*
+ * Events
+ */
+
+#define E_FW_RUNNING		0x01
+#define E_STATS_UPDATED		0x04
+
+#define E_STATS_UPDATE		0x04
+
+#define E_LNK_STATE		0x06
+#define E_C_LINK_UP		0x01
+#define E_C_LINK_DOWN		0x02
+
+#define E_ERROR			0x07
+#define E_C_ERR_INVAL_CMD	0x01
+#define E_C_ERR_UNIMP_CMD	0x02
+#define E_C_ERR_BAD_CFG		0x03
+
+#define E_MCAST_LIST		0x08
+#define E_C_MCAST_ADDR_ADD	0x01
+#define E_C_MCAST_ADDR_DEL	0x02
+
+#define E_RESET_JUMBO_RNG	0x09
+
+
+/*
+ * Commands
+ */
+
+#define CMD_RING_ENTRIES	64
+
+struct cmd {
+#ifdef __LITTLE_ENDIAN
+	u32	idx:12;
+	u32	code:12;
+	u32	evt:8;
+#else
+	u32	evt:8;
+	u32	code:12;
+	u32	idx:12;
+#endif
+};
+
+
+#define C_HOST_STATE		0x01
+#define C_C_STACK_UP		0x01
+#define C_C_STACK_DOWN		0x02
+
+#define C_FDR_FILTERING		0x02
+#define C_C_FDR_FILT_ENABLE	0x01
+#define C_C_FDR_FILT_DISABLE	0x02
+
+#define C_SET_RX_PRD_IDX	0x03
+#define C_UPDATE_STATS		0x04
+#define C_RESET_JUMBO_RNG	0x05
+#define C_ADD_MULTICAST_ADDR	0x08
+#define C_DEL_MULTICAST_ADDR	0x09
+
+#define C_SET_PROMISC_MODE	0x0a
+#define C_C_PROMISC_ENABLE	0x01
+#define C_C_PROMISC_DISABLE	0x02
+
+#define C_LNK_NEGOTIATION	0x0b
+#define C_SET_MAC_ADDR		0x0c
+#define C_CLEAR_PROFILE		0x0d
+
+#define C_SET_MULTICAST_MODE	0x0e
+#define C_C_MCAST_ENABLE	0x01
+#define C_C_MCAST_DISABLE	0x02
+
+#define C_CLEAR_STATS		0x0f
+#define C_SET_RX_JUMBO_PRD_IDX	0x10
+#define C_REFRESH_STATS		0x11
+
+
+/*
+ * Descriptor types.
+ */
+
+#define DESC_TX			0x01
+#define DESC_RX			0x02
+#define DESC_END		0x04
+#define DESC_MORE		0x08
+
+/*
+ * RX control block flags
+ */
+
+#define RX_TCP_UDP_SUM		0x01
+#define RX_IP_SUM		0x02
+#define RX_SPLIT_HDRS		0x04
+#define RX_NO_PSEUDO_HDR_SUM	0x08
+
+/*
+ * Descriptor flags
+ */
+
+#define JUMBO_FLAG		0x10
+
+/*
+ * TX ring
+ */
+
+#define TX_RING_ENTRIES	128
+#define TX_RING_SIZE	(TX_RING_ENTRIES * sizeof(struct tx_desc))
+#define TX_RING_BASE	0x3800
+
+struct tx_desc{
+#if (BITS_PER_LONG == 64)
+	u64	addr;
+#else
+        u32	zero;
+	u32	addr;
+#endif
+#if __LITTLE_ENDIAN
+	u16	flags;
+	u16	size;
+#else
+	u16	size;
+	u16	flags;
+#endif
+	u32	nic_addr;
+};
+
+
+#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_RETURN_RING_ENTRIES	(2 * RX_STD_RING_ENTRIES)
+#define RX_RETURN_RING_SIZE	(RX_RETURN_RING_ENTRIES * \
+				 sizeof(struct rx_desc))
+
+#define RX_RING_THRESH		32
+
+struct rx_desc{
+#if (BITS_PER_LONG == 64)
+	u64	addr;
+#else
+        u32	zero;
+	u32	addr;
+#endif
+#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	reserved;
+	u16	err_flags;
+#else
+	u16	err_flags;
+	u16	reserved;
+#endif
+	u32	nic_addr;
+	u32	pad[1];
+};
+
+
+/*
+ * This struct is shared with the NIC firmware.
+ */
+struct ring_ctrl {
+#if (BITS_PER_LONG == 64)
+	u64	rngptr;
+#else
+	u32	zero;
+	u32	rngptr;
+#endif
+#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_return_ctrl;
+#if (BITS_PER_LONG == 64)
+	u64	evt_prd_ptr;
+	u64	rx_ret_prd_ptr;
+	u64	tx_csm_ptr;
+	u64	stats2_ptr;
+#else
+	u32	evt_prd_ptr_hi;
+	u32	evt_prd_ptr;
+	u32	rx_ret_prd_ptr_hi;
+	u32	rx_ret_prd_ptr;
+	u32	tx_csm_ptr_hi;
+	u32	tx_csm_ptr;
+	u32	stats2_ptr_hi;
+	u32	stats2_ptr;
+#endif
+};
+
+/*
+ * Struct private for the AceNIC.
+ */
+
+struct ace_private
+{
+	struct ace_regs		*regs;		/* register base */
+	volatile __u32		*sgt;
+	struct sk_buff		*pkt_buf;	/* Receive buffer */
+/*
+ * The send ring is located in the shared memory window
+ */
+	struct tx_desc		*tx_ring;
+	struct rx_desc		rx_std_ring[RX_STD_RING_ENTRIES];
+	struct rx_desc		rx_jumbo_ring[RX_JUMBO_RING_ENTRIES];
+	struct rx_desc		rx_return_ring[RX_RETURN_RING_ENTRIES];
+	struct event		evt_ring[EVT_RING_ENTRIES];
+	struct ace_info		*info;
+	struct sk_buff		*tx_skbuff[TX_RING_ENTRIES];
+	struct sk_buff		*rx_std_skbuff[RX_STD_RING_ENTRIES];
+	struct sk_buff		*rx_jumbo_skbuff[RX_JUMBO_RING_ENTRIES];
+	spinlock_t		lock;
+	struct timer_list	timer;
+	u32			cur_rx, tx_prd;
+	u32			dirty_rx, tx_ret_csm, dirty_event;
+	u32			rx_std_skbprd, rx_jumbo_skbprd;
+	u32			tx_full;
+	volatile u32		evt_prd
+				__attribute__ ((aligned (L1_CACHE_BYTES)));
+	volatile u32		rx_ret_prd
+				__attribute__ ((aligned (L1_CACHE_BYTES)));
+	volatile u32		tx_csm
+				__attribute__ ((aligned (L1_CACHE_BYTES)));
+	struct device		*next
+				__attribute__ ((aligned (L1_CACHE_BYTES)));
+	int			fw_running, fw_up, jumbo, promisc;
+	int			version;
+	int			vendor;
+	u16			pci_command;
+	u8			pci_bus;
+	u8			pci_dev_fun;
+	char			name[24];
+	struct net_device_stats stats;
+};
+
+/*
+ * Prototypes
+ */
+static int ace_init(struct device *dev);
+static int ace_load_std_rx_ring(struct device *dev);
+static int ace_load_jumbo_rx_ring(struct device *dev);
+static int ace_flush_jumbo_rx_ring(struct device *dev);
+static void ace_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+
+static int ace_open(struct device *dev);
+static int ace_start_xmit(struct sk_buff *skb, struct device *dev);
+static int ace_close(struct device *dev);
+static void ace_timer(unsigned long data);
+static void ace_set_multicast_list(struct device *dev);
+static int ace_change_mtu(struct device *dev, int new_mtu);
+static int ace_set_mac_addr(struct device *dev, void *p);
+static struct net_device_stats *ace_get_stats(struct device *dev);
+static u8 read_eeprom_byte(struct ace_regs *regs, unsigned long offset);
+
+#endif /* _ACENIC_H_ */