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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/net/hippi/rrunner.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/hippi/rrunner.h')
-rw-r--r--drivers/net/hippi/rrunner.h848
1 files changed, 848 insertions, 0 deletions
diff --git a/drivers/net/hippi/rrunner.h b/drivers/net/hippi/rrunner.h
new file mode 100644
index 0000000000..55377614e7
--- /dev/null
+++ b/drivers/net/hippi/rrunner.h
@@ -0,0 +1,848 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _RRUNNER_H_
+#define _RRUNNER_H_
+
+#include <linux/interrupt.h>
+
+#if ((BITS_PER_LONG != 32) && (BITS_PER_LONG != 64))
+#error "BITS_PER_LONG not defined or not valid"
+#endif
+
+
+struct rr_regs {
+
+ u32 pad0[16];
+
+ u32 HostCtrl;
+ u32 LocalCtrl;
+ u32 Pc;
+ u32 BrkPt;
+
+/* Timer increments every 0.97 micro-seconds (unsigned int) */
+ u32 Timer_Hi;
+ u32 Timer;
+ u32 TimerRef;
+ u32 PciState;
+
+ u32 Event;
+ u32 MbEvent;
+
+ u32 WinBase;
+ u32 WinData;
+ u32 RX_state;
+ u32 TX_state;
+
+ u32 Overhead;
+ u32 ExtIo;
+
+ u32 DmaWriteHostHi;
+ u32 DmaWriteHostLo;
+
+ u32 pad1[2];
+
+ u32 DmaReadHostHi;
+ u32 DmaReadHostLo;
+
+ u32 pad2;
+
+ u32 DmaReadLen;
+ u32 DmaWriteState;
+
+ u32 DmaWriteLcl;
+ u32 DmaWriteIPchecksum;
+ u32 DmaWriteLen;
+ u32 DmaReadState;
+ u32 DmaReadLcl;
+ u32 DmaReadIPchecksum;
+ u32 pad3;
+
+ u32 RxBase;
+ u32 RxPrd;
+ u32 RxCon;
+
+ u32 pad4;
+
+ u32 TxBase;
+ u32 TxPrd;
+ u32 TxCon;
+
+ u32 pad5;
+
+ u32 RxIndPro;
+ u32 RxIndCon;
+ u32 RxIndRef;
+
+ u32 pad6;
+
+ u32 TxIndPro;
+ u32 TxIndCon;
+ u32 TxIndRef;
+
+ u32 pad7[17];
+
+ u32 DrCmndPro;
+ u32 DrCmndCon;
+ u32 DrCmndRef;
+
+ u32 pad8;
+
+ u32 DwCmndPro;
+ u32 DwCmndCon;
+ u32 DwCmndRef;
+
+ u32 AssistState;
+
+ u32 DrDataPro;
+ u32 DrDataCon;
+ u32 DrDataRef;
+
+ u32 pad9;
+
+ u32 DwDataPro;
+ u32 DwDataCon;
+ u32 DwDataRef;
+
+ u32 pad10[33];
+
+ u32 EvtCon;
+
+ u32 pad11[5];
+
+ u32 TxPi;
+ u32 IpRxPi;
+
+ u32 pad11a[8];
+
+ u32 CmdRing[16];
+
+/* The ULA is in two registers the high order two bytes of the first
+ * word contain the RunCode features.
+ * ula0 res res byte0 byte1
+ * ula1 byte2 byte3 byte4 byte5
+ */
+ u32 Ula0;
+ u32 Ula1;
+
+ u32 RxRingHi;
+ u32 RxRingLo;
+
+ u32 InfoPtrHi;
+ u32 InfoPtrLo;
+
+ u32 Mode;
+
+ u32 ConRetry;
+ u32 ConRetryTmr;
+
+ u32 ConTmout;
+ u32 CtatTmr;
+
+ u32 MaxRxRng;
+
+ u32 IntrTmr;
+ u32 TxDataMvTimeout;
+ u32 RxDataMvTimeout;
+
+ u32 EvtPrd;
+ u32 TraceIdx;
+
+ u32 Fail1;
+ u32 Fail2;
+
+ u32 DrvPrm;
+
+ u32 FilterLA;
+
+ u32 FwRev;
+ u32 FwRes1;
+ u32 FwRes2;
+ u32 FwRes3;
+
+ u32 WriteDmaThresh;
+ u32 ReadDmaThresh;
+
+ u32 pad12[325];
+ u32 Window[512];
+};
+
+/*
+ * Host control register bits.
+ */
+
+#define RR_INT 0x01
+#define RR_CLEAR_INT 0x02
+#define NO_SWAP 0x04000004
+#define NO_SWAP1 0x00000004
+#define PCI_RESET_NIC 0x08
+#define HALT_NIC 0x10
+#define SSTEP_NIC 0x20
+#define MEM_READ_MULTI 0x40
+#define NIC_HALTED 0x100
+#define HALT_INST 0x200
+#define PARITY_ERR 0x400
+#define INVALID_INST_B 0x800
+#define RR_REV_2 0x20000000
+#define RR_REV_MASK 0xf0000000
+
+/*
+ * Local control register bits.
+ */
+
+#define INTA_STATE 0x01
+#define CLEAR_INTA 0x02
+#define FAST_EEPROM_ACCESS 0x08
+#define ENABLE_EXTRA_SRAM 0x100
+#define ENABLE_EXTRA_DESC 0x200
+#define ENABLE_PARITY 0x400
+#define FORCE_DMA_PARITY_ERROR 0x800
+#define ENABLE_EEPROM_WRITE 0x1000
+#define ENABLE_DATA_CACHE 0x2000
+#define SRAM_LO_PARITY_ERR 0x4000
+#define SRAM_HI_PARITY_ERR 0x8000
+
+/*
+ * PCI state bits.
+ */
+
+#define FORCE_PCI_RESET 0x01
+#define PROVIDE_LENGTH 0x02
+#define MASK_DMA_READ_MAX 0x1C
+#define RBURST_DISABLE 0x00
+#define RBURST_4 0x04
+#define RBURST_16 0x08
+#define RBURST_32 0x0C
+#define RBURST_64 0x10
+#define RBURST_128 0x14
+#define RBURST_256 0x18
+#define RBURST_1024 0x1C
+#define MASK_DMA_WRITE_MAX 0xE0
+#define WBURST_DISABLE 0x00
+#define WBURST_4 0x20
+#define WBURST_16 0x40
+#define WBURST_32 0x60
+#define WBURST_64 0x80
+#define WBURST_128 0xa0
+#define WBURST_256 0xc0
+#define WBURST_1024 0xe0
+#define MASK_MIN_DMA 0xFF00
+#define FIFO_RETRY_ENABLE 0x10000
+
+/*
+ * Event register
+ */
+
+#define DMA_WRITE_DONE 0x10000
+#define DMA_READ_DONE 0x20000
+#define DMA_WRITE_ERR 0x40000
+#define DMA_READ_ERR 0x80000
+
+/*
+ * Receive state
+ *
+ * RoadRunner HIPPI Receive State Register controls and monitors the
+ * HIPPI receive interface in the NIC. Look at err bits when a HIPPI
+ * receive Error Event occurs.
+ */
+
+#define ENABLE_NEW_CON 0x01
+#define RESET_RECV 0x02
+#define RECV_ALL 0x00
+#define RECV_1K 0x20
+#define RECV_2K 0x40
+#define RECV_4K 0x60
+#define RECV_8K 0x80
+#define RECV_16K 0xa0
+#define RECV_32K 0xc0
+#define RECV_64K 0xe0
+
+/*
+ * Transmit status.
+ */
+
+#define ENA_XMIT 0x01
+#define PERM_CON 0x02
+
+/*
+ * DMA write state
+ */
+
+#define RESET_DMA 0x01
+#define NO_SWAP_DMA 0x02
+#define DMA_ACTIVE 0x04
+#define THRESH_MASK 0x1F
+#define DMA_ERROR_MASK 0xff000000
+
+/*
+ * Gooddies stored in the ULA registers.
+ */
+
+#define TRACE_ON_WHAT_BIT 0x00020000 /* Traces on */
+#define ONEM_BUF_WHAT_BIT 0x00040000 /* 1Meg vs 256K */
+#define CHAR_API_WHAT_BIT 0x00080000 /* Char API vs network only */
+#define CMD_EVT_WHAT_BIT 0x00200000 /* Command event */
+#define LONG_TX_WHAT_BIT 0x00400000
+#define LONG_RX_WHAT_BIT 0x00800000
+#define WHAT_BIT_MASK 0xFFFD0000 /* Feature bit mask */
+
+/*
+ * Mode status
+ */
+
+#define EVENT_OVFL 0x80000000
+#define FATAL_ERR 0x40000000
+#define LOOP_BACK 0x01
+#define MODE_PH 0x02
+#define MODE_FP 0x00
+#define PTR64BIT 0x04
+#define PTR32BIT 0x00
+#define PTR_WD_SWAP 0x08
+#define PTR_WD_NOSWAP 0x00
+#define POST_WARN_EVENT 0x10
+#define ERR_TERM 0x20
+#define DIRECT_CONN 0x40
+#define NO_NIC_WATCHDOG 0x80
+#define SWAP_DATA 0x100
+#define SWAP_CONTROL 0x200
+#define NIC_HALT_ON_ERR 0x400
+#define NIC_NO_RESTART 0x800
+#define HALF_DUP_TX 0x1000
+#define HALF_DUP_RX 0x2000
+
+
+/*
+ * Error codes
+ */
+
+/* Host Error Codes - values of fail1 */
+#define ERR_UNKNOWN_MBOX 0x1001
+#define ERR_UNKNOWN_CMD 0x1002
+#define ERR_MAX_RING 0x1003
+#define ERR_RING_CLOSED 0x1004
+#define ERR_RING_OPEN 0x1005
+/* Firmware internal errors */
+#define ERR_EVENT_RING_FULL 0x01
+#define ERR_DW_PEND_CMND_FULL 0x02
+#define ERR_DR_PEND_CMND_FULL 0x03
+#define ERR_DW_PEND_DATA_FULL 0x04
+#define ERR_DR_PEND_DATA_FULL 0x05
+#define ERR_ILLEGAL_JUMP 0x06
+#define ERR_UNIMPLEMENTED 0x07
+#define ERR_TX_INFO_FULL 0x08
+#define ERR_RX_INFO_FULL 0x09
+#define ERR_ILLEGAL_MODE 0x0A
+#define ERR_MAIN_TIMEOUT 0x0B
+#define ERR_EVENT_BITS 0x0C
+#define ERR_UNPEND_FULL 0x0D
+#define ERR_TIMER_QUEUE_FULL 0x0E
+#define ERR_TIMER_QUEUE_EMPTY 0x0F
+#define ERR_TIMER_NO_FREE 0x10
+#define ERR_INTR_START 0x11
+#define ERR_BAD_STARTUP 0x12
+#define ERR_NO_PKT_END 0x13
+#define ERR_HALTED_ON_ERR 0x14
+/* Hardware NIC Errors */
+#define ERR_WRITE_DMA 0x0101
+#define ERR_READ_DMA 0x0102
+#define ERR_EXT_SERIAL 0x0103
+#define ERR_TX_INT_PARITY 0x0104
+
+
+/*
+ * Event definitions
+ */
+
+#define EVT_RING_ENTRIES 64
+#define EVT_RING_SIZE (EVT_RING_ENTRIES * sizeof(struct event))
+
+struct event {
+#ifdef __LITTLE_ENDIAN
+ u16 index;
+ u8 ring;
+ u8 code;
+#else
+ u8 code;
+ u8 ring;
+ u16 index;
+#endif
+ u32 timestamp;
+};
+
+/*
+ * General Events
+ */
+
+#define E_NIC_UP 0x01
+#define E_WATCHDOG 0x02
+
+#define E_STAT_UPD 0x04
+#define E_INVAL_CMD 0x05
+#define E_SET_CMD_CONS 0x06
+#define E_LINK_ON 0x07
+#define E_LINK_OFF 0x08
+#define E_INTERN_ERR 0x09
+#define E_HOST_ERR 0x0A
+#define E_STATS_UPDATE 0x0B
+#define E_REJECTING 0x0C
+
+/*
+ * Send Events
+ */
+#define E_CON_REJ 0x13
+#define E_CON_TMOUT 0x14
+#define E_CON_NC_TMOUT 0x15 /* I , Connection No Campon Timeout */
+#define E_DISC_ERR 0x16
+#define E_INT_PRTY 0x17
+#define E_TX_IDLE 0x18
+#define E_TX_LINK_DROP 0x19
+#define E_TX_INV_RNG 0x1A
+#define E_TX_INV_BUF 0x1B
+#define E_TX_INV_DSC 0x1C
+
+/*
+ * Destination Events
+ */
+/*
+ * General Receive events
+ */
+#define E_VAL_RNG 0x20
+#define E_RX_RNG_ENER 0x21
+#define E_INV_RNG 0x22
+#define E_RX_RNG_SPC 0x23
+#define E_RX_RNG_OUT 0x24
+#define E_PKT_DISCARD 0x25
+#define E_INFO_EVT 0x27
+
+/*
+ * Data corrupted events
+ */
+#define E_RX_PAR_ERR 0x2B
+#define E_RX_LLRC_ERR 0x2C
+#define E_IP_CKSM_ERR 0x2D
+#define E_DTA_CKSM_ERR 0x2E
+#define E_SHT_BST 0x2F
+
+/*
+ * Data lost events
+ */
+#define E_LST_LNK_ERR 0x30
+#define E_FLG_SYN_ERR 0x31
+#define E_FRM_ERR 0x32
+#define E_RX_IDLE 0x33
+#define E_PKT_LN_ERR 0x34
+#define E_STATE_ERR 0x35
+#define E_UNEXP_DATA 0x3C
+
+/*
+ * Fatal events
+ */
+#define E_RX_INV_BUF 0x36
+#define E_RX_INV_DSC 0x37
+#define E_RNG_BLK 0x38
+
+/*
+ * Warning events
+ */
+#define E_RX_TO 0x39
+#define E_BFR_SPC 0x3A
+#define E_INV_ULP 0x3B
+
+#define E_NOT_IMPLEMENTED 0x40
+
+
+/*
+ * Commands
+ */
+
+#define CMD_RING_ENTRIES 16
+
+struct cmd {
+#ifdef __LITTLE_ENDIAN
+ u16 index;
+ u8 ring;
+ u8 code;
+#else
+ u8 code;
+ 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, &regs->RxRingHi);
+ writel(baddr >> 32, &regs->RxRingLo);
+#elif (BITS_PER_LONG == 64)
+ writel(baddr >> 32, &regs->RxRingHi);
+ writel(baddr & 0xffffffff, &regs->RxRingLo);
+#else
+ writel(0, &regs->RxRingHi);
+ writel(baddr, &regs->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, &regs->InfoPtrHi);
+ writel(baddr >> 32, &regs->InfoPtrLo);
+#elif (BITS_PER_LONG == 64)
+ writel(baddr >> 32, &regs->InfoPtrHi);
+ writel(baddr & 0xffffffff, &regs->InfoPtrLo);
+#else
+ writel(0, &regs->InfoPtrHi);
+ writel(baddr, &regs->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_siocdevprivate(struct net_device *dev, struct ifreq *rq,
+ void __user *data, 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_ */