release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/net/acenic.h

   1 #ifndef _ACENIC_H_
   2 #define _ACENIC_H_
   3
   4
   5 /*
   6  * Generate TX index update each time, when TX ring is closed.
   7  * Normally, this is not useful, because results in more dma (and irqs
   8  * without TX_COAL_INTS_ONLY).
   9  */
  10 #define USE_TX_COAL_NOW  0
  11
  12 /*
  13  * Addressing:
  14  *
  15  * The Tigon uses 64-bit host addresses, regardless of their actual
  16  * length, and it expects a big-endian format. For 32 bit systems the
  17  * upper 32 bits of the address are simply ignored (zero), however for
  18  * little endian 64 bit systems (Alpha) this looks strange with the
  19  * two parts of the address word being swapped.
  20  *
  21  * The addresses are split in two 32 bit words for all architectures
  22  * as some of them are in PCI shared memory and it is necessary to use
  23  * readl/writel to access them.
  24  *
  25  * The addressing code is derived from Pete Wyckoff's work, but
  26  * modified to deal properly with readl/writel usage.
  27  */
  28
  29 struct ace_regs {
  30         u32     pad0[16];       /* PCI control registers */
  31
  32         u32     HostCtrl;       /* 0x40 */
  33         u32     LocalCtrl;
  34
  35         u32     pad1[2];
  36
  37         u32     MiscCfg;        /* 0x50 */
  38
  39         u32     pad2[2];
  40
  41         u32     PciState;
  42
  43         u32     pad3[2];        /* 0x60 */
  44
  45         u32     WinBase;
  46         u32     WinData;
  47
  48         u32     pad4[12];       /* 0x70 */
  49
  50         u32     DmaWriteState;  /* 0xa0 */
  51         u32     pad5[3];
  52         u32     DmaReadState;   /* 0xb0 */
  53
  54         u32     pad6[26];
  55
  56         u32     AssistState;
  57
  58         u32     pad7[8];        /* 0x120 */
  59
  60         u32     CpuCtrl;        /* 0x140 */
  61         u32     Pc;
  62
  63         u32     pad8[3];
  64
  65         u32     SramAddr;       /* 0x154 */
  66         u32     SramData;
  67
  68         u32     pad9[49];
  69
  70         u32     MacRxState;     /* 0x220 */
  71
  72         u32     pad10[7];
  73
  74         u32     CpuBCtrl;       /* 0x240 */
  75         u32     PcB;
  76
  77         u32     pad11[3];
  78
  79         u32     SramBAddr;      /* 0x254 */
  80         u32     SramBData;
  81
  82         u32     pad12[105];
  83
  84         u32     pad13[32];      /* 0x400 */
  85         u32     Stats[32];
  86
  87         u32     Mb0Hi;          /* 0x500 */
  88         u32     Mb0Lo;
  89         u32     Mb1Hi;
  90         u32     CmdPrd;
  91         u32     Mb2Hi;
  92         u32     TxPrd;
  93         u32     Mb3Hi;
  94         u32     RxStdPrd;
  95         u32     Mb4Hi;
  96         u32     RxJumboPrd;
  97         u32     Mb5Hi;
  98         u32     RxMiniPrd;
  99         u32     Mb6Hi;
 100         u32     Mb6Lo;
 101         u32     Mb7Hi;
 102         u32     Mb7Lo;
 103         u32     Mb8Hi;
 104         u32     Mb8Lo;
 105         u32     Mb9Hi;
 106         u32     Mb9Lo;
 107         u32     MbAHi;
 108         u32     MbALo;
 109         u32     MbBHi;
 110         u32     MbBLo;
 111         u32     MbCHi;
 112         u32     MbCLo;
 113         u32     MbDHi;
 114         u32     MbDLo;
 115         u32     MbEHi;
 116         u32     MbELo;
 117         u32     MbFHi;
 118         u32     MbFLo;
 119
 120         u32     pad14[32];
 121
 122         u32     MacAddrHi;      /* 0x600 */
 123         u32     MacAddrLo;
 124         u32     InfoPtrHi;
 125         u32     InfoPtrLo;
 126         u32     MultiCastHi;    /* 0x610 */
 127         u32     MultiCastLo;
 128         u32     ModeStat;
 129         u32     DmaReadCfg;
 130         u32     DmaWriteCfg;    /* 0x620 */
 131         u32     TxBufRat;
 132         u32     EvtCsm;
 133         u32     CmdCsm;
 134         u32     TuneRxCoalTicks;/* 0x630 */
 135         u32     TuneTxCoalTicks;
 136         u32     TuneStatTicks;
 137         u32     TuneMaxTxDesc;
 138         u32     TuneMaxRxDesc;  /* 0x640 */
 139         u32     TuneTrace;
 140         u32     TuneLink;
 141         u32     TuneFastLink;
 142         u32     TracePtr;       /* 0x650 */
 143         u32     TraceStrt;
 144         u32     TraceLen;
 145         u32     IfIdx;
 146         u32     IfMtu;          /* 0x660 */
 147         u32     MaskInt;
 148         u32     GigLnkState;
 149         u32     FastLnkState;
 150         u32     pad16[4];       /* 0x670 */
 151         u32     RxRetCsm;       /* 0x680 */
 152
 153         u32     pad17[31];
 154
 155         u32     CmdRng[64];     /* 0x700 */
 156         u32     Window[0x200];
 157 };
 158
 159
 160 typedef struct {
 161         u32 addrhi;
 162         u32 addrlo;
 163 } aceaddr;
 164
 165
 166 #define ACE_WINDOW_SIZE 0x800
 167
 168 #define ACE_JUMBO_MTU 9000
 169 #define ACE_STD_MTU 1500
 170
 171 #define ACE_TRACE_SIZE 0x8000
 172
 173 /*
 174  * Host control register bits.
 175  */
 176
 177 #define IN_INT          0x01
 178 #define CLR_INT         0x02
 179 #define HW_RESET        0x08
 180 #define BYTE_SWAP       0x10
 181 #define WORD_SWAP       0x20
 182 #define MASK_INTS       0x40
 183
 184 /*
 185  * Local control register bits.
 186  */
 187
 188 #define EEPROM_DATA_IN          0x800000
 189 #define EEPROM_DATA_OUT         0x400000
 190 #define EEPROM_WRITE_ENABLE     0x200000
 191 #define EEPROM_CLK_OUT          0x100000
 192
 193 #define EEPROM_BASE             0xa0000000
 194
 195 #define EEPROM_WRITE_SELECT     0xa0
 196 #define EEPROM_READ_SELECT      0xa1
 197
 198 #define SRAM_BANK_512K          0x200
 199
 200
 201 /*
 202  * udelay() values for when clocking the eeprom
 203  */
 204 #define ACE_SHORT_DELAY         2
 205 #define ACE_LONG_DELAY          4
 206
 207
 208 /*
 209  * Misc Config bits
 210  */
 211
 212 #define SYNC_SRAM_TIMING        0x100000
 213
 214
 215 /*
 216  * CPU state bits.
 217  */
 218
 219 #define CPU_RESET               0x01
 220 #define CPU_TRACE               0x02
 221 #define CPU_PROM_FAILED         0x10
 222 #define CPU_HALT                0x00010000
 223 #define CPU_HALTED              0xffff0000
 224
 225
 226 /*
 227  * PCI State bits.
 228  */
 229
 230 #define DMA_READ_MAX_4          0x04
 231 #define DMA_READ_MAX_16         0x08
 232 #define DMA_READ_MAX_32         0x0c
 233 #define DMA_READ_MAX_64         0x10
 234 #define DMA_READ_MAX_128        0x14
 235 #define DMA_READ_MAX_256        0x18
 236 #define DMA_READ_MAX_1K         0x1c
 237 #define DMA_WRITE_MAX_4         0x20
 238 #define DMA_WRITE_MAX_16        0x40
 239 #define DMA_WRITE_MAX_32        0x60
 240 #define DMA_WRITE_MAX_64        0x80
 241 #define DMA_WRITE_MAX_128       0xa0
 242 #define DMA_WRITE_MAX_256       0xc0
 243 #define DMA_WRITE_MAX_1K        0xe0
 244 #define DMA_READ_WRITE_MASK     0xfc
 245 #define MEM_READ_MULTIPLE       0x00020000
 246 #define PCI_66MHZ               0x00080000
 247 #define PCI_32BIT               0x00100000
 248 #define DMA_WRITE_ALL_ALIGN     0x00800000
 249 #define READ_CMD_MEM            0x06000000
 250 #define WRITE_CMD_MEM           0x70000000
 251
 252
 253 /*
 254  * Mode status
 255  */
 256
 257 #define ACE_BYTE_SWAP_BD        0x02
 258 #define ACE_WORD_SWAP_BD        0x04            /* not actually used */
 259 #define ACE_WARN                0x08
 260 #define ACE_BYTE_SWAP_DMA       0x10
 261 #define ACE_NO_JUMBO_FRAG       0x200
 262 #define ACE_FATAL               0x40000000
 263
 264
 265 /*
 266  * DMA config
 267  */
 268
 269 #define DMA_THRESH_1W           0x10
 270 #define DMA_THRESH_2W           0x20
 271 #define DMA_THRESH_4W           0x40
 272 #define DMA_THRESH_8W           0x80
 273 #define DMA_THRESH_16W          0x100
 274 #define DMA_THRESH_32W          0x0     /* not described in doc, but exists. */
 275
 276
 277 /*
 278  * Tuning parameters
 279  */
 280
 281 #define TICKS_PER_SEC           1000000
 282
 283
 284 /*
 285  * Link bits
 286  */
 287
 288 #define LNK_PREF                0x00008000
 289 #define LNK_10MB                0x00010000
 290 #define LNK_100MB               0x00020000
 291 #define LNK_1000MB              0x00040000
 292 #define LNK_FULL_DUPLEX         0x00080000
 293 #define LNK_HALF_DUPLEX         0x00100000
 294 #define LNK_TX_FLOW_CTL_Y       0x00200000
 295 #define LNK_NEG_ADVANCED        0x00400000
 296 #define LNK_RX_FLOW_CTL_Y       0x00800000
 297 #define LNK_NIC                 0x01000000
 298 #define LNK_JAM                 0x02000000
 299 #define LNK_JUMBO               0x04000000
 300 #define LNK_ALTEON              0x08000000
 301 #define LNK_NEG_FCTL            0x10000000
 302 #define LNK_NEGOTIATE           0x20000000
 303 #define LNK_ENABLE              0x40000000
 304 #define LNK_UP                  0x80000000
 305
 306
 307 /*
 308  * Event definitions
 309  */
 310
 311 #define EVT_RING_ENTRIES        256
 312 #define EVT_RING_SIZE   (EVT_RING_ENTRIES * sizeof(struct event))
 313
 314 struct event {
 315 #ifdef __LITTLE_ENDIAN_BITFIELD
 316         u32     idx:12;
 317         u32     code:12;
 318         u32     evt:8;
 319 #else
 320         u32     evt:8;
 321         u32     code:12;
 322         u32     idx:12;
 323 #endif
 324         u32     pad;
 325 };
 326
 327
 328 /*
 329  * Events
 330  */
 331
 332 #define E_FW_RUNNING            0x01
 333 #define E_STATS_UPDATED         0x04
 334
 335 #define E_STATS_UPDATE          0x04
 336
 337 #define E_LNK_STATE             0x06
 338 #define E_C_LINK_UP             0x01
 339 #define E_C_LINK_DOWN           0x02
 340 #define E_C_LINK_10_100         0x03
 341
 342 #define E_ERROR                 0x07
 343 #define E_C_ERR_INVAL_CMD       0x01
 344 #define E_C_ERR_UNIMP_CMD       0x02
 345 #define E_C_ERR_BAD_CFG         0x03
 346
 347 #define E_MCAST_LIST            0x08
 348 #define E_C_MCAST_ADDR_ADD      0x01
 349 #define E_C_MCAST_ADDR_DEL      0x02
 350
 351 #define E_RESET_JUMBO_RNG       0x09
 352
 353
 354 /*
 355  * Commands
 356  */
 357
 358 #define CMD_RING_ENTRIES        64
 359
 360 struct cmd {
 361 #ifdef __LITTLE_ENDIAN_BITFIELD
 362         u32     idx:12;
 363         u32     code:12;
 364         u32     evt:8;
 365 #else
 366         u32     evt:8;
 367         u32     code:12;
 368         u32     idx:12;
 369 #endif
 370 };
 371
 372
 373 #define C_HOST_STATE            0x01
 374 #define C_C_STACK_UP            0x01
 375 #define C_C_STACK_DOWN          0x02
 376
 377 #define C_FDR_FILTERING         0x02
 378 #define C_C_FDR_FILT_ENABLE     0x01
 379 #define C_C_FDR_FILT_DISABLE    0x02
 380
 381 #define C_SET_RX_PRD_IDX        0x03
 382 #define C_UPDATE_STATS          0x04
 383 #define C_RESET_JUMBO_RNG       0x05
 384 #define C_ADD_MULTICAST_ADDR    0x08
 385 #define C_DEL_MULTICAST_ADDR    0x09
 386
 387 #define C_SET_PROMISC_MODE      0x0a
 388 #define C_C_PROMISC_ENABLE      0x01
 389 #define C_C_PROMISC_DISABLE     0x02
 390
 391 #define C_LNK_NEGOTIATION       0x0b
 392 #define C_C_NEGOTIATE_BOTH      0x00
 393 #define C_C_NEGOTIATE_GIG       0x01
 394 #define C_C_NEGOTIATE_10_100    0x02
 395
 396 #define C_SET_MAC_ADDR          0x0c
 397 #define C_CLEAR_PROFILE         0x0d
 398
 399 #define C_SET_MULTICAST_MODE    0x0e
 400 #define C_C_MCAST_ENABLE        0x01
 401 #define C_C_MCAST_DISABLE       0x02
 402
 403 #define C_CLEAR_STATS           0x0f
 404 #define C_SET_RX_JUMBO_PRD_IDX  0x10
 405 #define C_REFRESH_STATS         0x11
 406
 407
 408 /*
 409  * Descriptor flags
 410  */
 411 #define BD_FLG_TCP_UDP_SUM      0x01
 412 #define BD_FLG_IP_SUM           0x02
 413 #define BD_FLG_END              0x04
 414 #define BD_FLG_MORE             0x08
 415 #define BD_FLG_JUMBO            0x10
 416 #define BD_FLG_UCAST            0x20
 417 #define BD_FLG_MCAST            0x40
 418 #define BD_FLG_BCAST            0x60
 419 #define BD_FLG_TYP_MASK         0x60
 420 #define BD_FLG_IP_FRAG          0x80
 421 #define BD_FLG_IP_FRAG_END      0x100
 422 #define BD_FLG_VLAN_TAG         0x200
 423 #define BD_FLG_FRAME_ERROR      0x400
 424 #define BD_FLG_COAL_NOW         0x800
 425 #define BD_FLG_MINI             0x1000
 426
 427
 428 /*
 429  * Ring Control block flags
 430  */
 431 #define RCB_FLG_TCP_UDP_SUM     0x01
 432 #define RCB_FLG_IP_SUM          0x02
 433 #define RCB_FLG_NO_PSEUDO_HDR   0x08
 434 #define RCB_FLG_VLAN_ASSIST     0x10
 435 #define RCB_FLG_COAL_INT_ONLY   0x20
 436 #define RCB_FLG_TX_HOST_RING    0x40
 437 #define RCB_FLG_IEEE_SNAP_SUM   0x80
 438 #define RCB_FLG_EXT_RX_BD       0x100
 439 #define RCB_FLG_RNG_DISABLE     0x200
 440
 441
 442 /*
 443  * TX ring - maximum TX ring entries for Tigon I's is 128
 444  */
 445 #define MAX_TX_RING_ENTRIES     256
 446 #define TIGON_I_TX_RING_ENTRIES 128
 447 #define TX_RING_SIZE            (MAX_TX_RING_ENTRIES * sizeof(struct tx_desc))
 448 #define TX_RING_BASE            0x3800
 449
 450 struct tx_desc{
 451         aceaddr addr;
 452         u32     flagsize;
 453         u32     vlanres;
 454 };
 455
 456
 457 #define RX_STD_RING_ENTRIES     512
 458 #define RX_STD_RING_SIZE        (RX_STD_RING_ENTRIES * sizeof(struct rx_desc))
 459
 460 #define RX_JUMBO_RING_ENTRIES   256
 461 #define RX_JUMBO_RING_SIZE      (RX_JUMBO_RING_ENTRIES *sizeof(struct rx_desc))
 462
 463 #define RX_MINI_RING_ENTRIES    1024
 464 #define RX_MINI_RING_SIZE       (RX_MINI_RING_ENTRIES *sizeof(struct rx_desc))
 465
 466 #define RX_RETURN_RING_ENTRIES  2048
 467 #define RX_RETURN_RING_SIZE     (RX_MAX_RETURN_RING_ENTRIES * \
 468                                  sizeof(struct rx_desc))
 469
 470 struct rx_desc{
 471         aceaddr addr;
 472 #ifdef __LITTLE_ENDIAN
 473         u16     size;
 474         u16     idx;
 475 #else
 476         u16     idx;
 477         u16     size;
 478 #endif
 479 #ifdef __LITTLE_ENDIAN
 480         u16     flags;
 481         u16     type;
 482 #else
 483         u16     type;
 484         u16     flags;
 485 #endif
 486 #ifdef __LITTLE_ENDIAN
 487         u16     tcp_udp_csum;
 488         u16     ip_csum;
 489 #else
 490         u16     ip_csum;
 491         u16     tcp_udp_csum;
 492 #endif
 493 #ifdef __LITTLE_ENDIAN
 494         u16     vlan;
 495         u16     err_flags;
 496 #else
 497         u16     err_flags;
 498         u16     vlan;
 499 #endif
 500         u32     reserved;
 501         u32     opague;
 502 };
 503
 504
 505 /*
 506  * This struct is shared with the NIC firmware.
 507  */
 508 struct ring_ctrl {
 509         aceaddr rngptr;
 510 #ifdef __LITTLE_ENDIAN
 511         u16     flags;
 512         u16     max_len;
 513 #else
 514         u16     max_len;
 515         u16     flags;
 516 #endif
 517         u32     pad;
 518 };
 519
 520
 521 struct ace_mac_stats {
 522         u32 excess_colls;
 523         u32 coll_1;
 524         u32 coll_2;
 525         u32 coll_3;
 526         u32 coll_4;
 527         u32 coll_5;
 528         u32 coll_6;
 529         u32 coll_7;
 530         u32 coll_8;
 531         u32 coll_9;
 532         u32 coll_10;
 533         u32 coll_11;
 534         u32 coll_12;
 535         u32 coll_13;
 536         u32 coll_14;
 537         u32 coll_15;
 538         u32 late_coll;
 539         u32 defers;
 540         u32 crc_err;
 541         u32 underrun;
 542         u32 crs_err;
 543         u32 pad[3];
 544         u32 drop_ula;
 545         u32 drop_mc;
 546         u32 drop_fc;
 547         u32 drop_space;
 548         u32 coll;
 549         u32 kept_bc;
 550         u32 kept_mc;
 551         u32 kept_uc;
 552 };
 553
 554
 555 struct ace_info {
 556         union {
 557                 u32 stats[256];
 558         } s;
 559         struct ring_ctrl        evt_ctrl;
 560         struct ring_ctrl        cmd_ctrl;
 561         struct ring_ctrl        tx_ctrl;
 562         struct ring_ctrl        rx_std_ctrl;
 563         struct ring_ctrl        rx_jumbo_ctrl;
 564         struct ring_ctrl        rx_mini_ctrl;
 565         struct ring_ctrl        rx_return_ctrl;
 566         aceaddr evt_prd_ptr;
 567         aceaddr rx_ret_prd_ptr;
 568         aceaddr tx_csm_ptr;
 569         aceaddr stats2_ptr;
 570 };
 571
 572
 573 struct ring_info {
 574         struct sk_buff          *skb;
 575         DEFINE_DMA_UNMAP_ADDR(mapping);
 576 };
 577
 578
 579 /*
 580  * Funny... As soon as we add maplen on alpha, it starts to work
 581  * much slower. Hmm... is it because struct does not fit to one cacheline?
 582  * So, split tx_ring_info.
 583  */
 584 struct tx_ring_info {
 585         struct sk_buff          *skb;
 586         DEFINE_DMA_UNMAP_ADDR(mapping);
 587         DEFINE_DMA_UNMAP_LEN(maplen);
 588 };
 589
 590
 591 /*
 592  * struct ace_skb holding the rings of skb's. This is an awful lot of
 593  * pointers, but I don't see any other smart mode to do this in an
 594  * efficient manner ;-(
 595  */
 596 struct ace_skb
 597 {
 598         struct tx_ring_info     tx_skbuff[MAX_TX_RING_ENTRIES];
 599         struct ring_info        rx_std_skbuff[RX_STD_RING_ENTRIES];
 600         struct ring_info        rx_mini_skbuff[RX_MINI_RING_ENTRIES];
 601         struct ring_info        rx_jumbo_skbuff[RX_JUMBO_RING_ENTRIES];
 602 };
 603
 604
 605 /*
 606  * Struct private for the AceNIC.
 607  *
 608  * Elements are grouped so variables used by the tx handling goes
 609  * together, and will go into the same cache lines etc. in order to
 610  * avoid cache line contention between the rx and tx handling on SMP.
 611  *
 612  * Frequently accessed variables are put at the beginning of the
 613  * struct to help the compiler generate better/shorter code.
 614  */
 615 struct ace_private
 616 {
 617         struct ace_info         *info;
 618         struct ace_regs __iomem *regs;          /* register base */
 619         struct ace_skb          *skb;
 620         dma_addr_t              info_dma;       /* 32/64 bit */
 621
 622         int                     version, link;
 623         int                     promisc, mcast_all;
 624
 625         /*
 626          * TX elements
 627          */
 628         struct tx_desc          *tx_ring;
 629         u32                     tx_prd;
 630         volatile u32            tx_ret_csm;
 631         int                     tx_ring_entries;
 632
 633         /*
 634          * RX elements
 635          */
 636         unsigned long           std_refill_busy
 637                                 __attribute__ ((aligned (SMP_CACHE_BYTES)));
 638         unsigned long           mini_refill_busy, jumbo_refill_busy;
 639         atomic_t                cur_rx_bufs;
 640         atomic_t                cur_mini_bufs;
 641         atomic_t                cur_jumbo_bufs;
 642         u32                     rx_std_skbprd, rx_mini_skbprd, rx_jumbo_skbprd;
 643         u32                     cur_rx;
 644
 645         struct rx_desc          *rx_std_ring;
 646         struct rx_desc          *rx_jumbo_ring;
 647         struct rx_desc          *rx_mini_ring;
 648         struct rx_desc          *rx_return_ring;
 649
 650 #if ACENIC_DO_VLAN
 651         struct vlan_group       *vlgrp;
 652 #endif
 653
 654         int                     tasklet_pending, jumbo;
 655         struct tasklet_struct   ace_tasklet;
 656
 657         struct event            *evt_ring;
 658
 659         volatile u32            *evt_prd, *rx_ret_prd, *tx_csm;
 660
 661         dma_addr_t              tx_ring_dma;    /* 32/64 bit */
 662         dma_addr_t              rx_ring_base_dma;
 663         dma_addr_t              evt_ring_dma;
 664         dma_addr_t              evt_prd_dma, rx_ret_prd_dma, tx_csm_dma;
 665
 666         unsigned char           *trace_buf;
 667         struct pci_dev          *pdev;
 668         struct net_device       *next;
 669         volatile int            fw_running;
 670         int                     board_idx;
 671         u16                     pci_command;
 672         u8                      pci_latency;
 673         const char              *name;
 674 #ifdef INDEX_DEBUG
 675         spinlock_t              debug_lock
 676                                 __attribute__ ((aligned (SMP_CACHE_BYTES)));
 677         u32                     last_tx, last_std_rx, last_mini_rx;
 678 #endif
 679         int                     pci_using_dac;
 680         u8                      firmware_major;
 681         u8                      firmware_minor;
 682         u8                      firmware_fix;
 683         u32                     firmware_start;
 684 };
 685
 686
 687 #define TX_RESERVED     MAX_SKB_FRAGS
 688
 689 static inline int tx_space (struct ace_private *ap, u32 csm, u32 prd)
 690 {
 691         return (csm - prd - 1) & (ACE_TX_RING_ENTRIES(ap) - 1);
 692 }
 693
 694 #define tx_free(ap)             tx_space((ap)->tx_ret_csm, (ap)->tx_prd, ap)
 695 #define tx_ring_full(ap, csm, prd)      (tx_space(ap, csm, prd) <= TX_RESERVED)
 696
 697 static inline void set_aceaddr(aceaddr *aa, dma_addr_t addr)
 698 {
 699         u64 baddr = (u64) addr;
 700         aa->addrlo = baddr & 0xffffffff;
 701         aa->addrhi = baddr >> 32;
 702         wmb();
 703 }
 704
 705
 706 static inline void ace_set_txprd(struct ace_regs __iomem *regs,
 707                                  struct ace_private *ap, u32 value)
 708 {
 709 #ifdef INDEX_DEBUG
 710         unsigned long flags;
 711         spin_lock_irqsave(&ap->debug_lock, flags);
 712         writel(value, &regs->TxPrd);
 713         if (value == ap->last_tx)
 714                 printk(KERN_ERR "AceNIC RACE ALERT! writing identical value "
 715                        "to tx producer (%i)\n", value);
 716         ap->last_tx = value;
 717         spin_unlock_irqrestore(&ap->debug_lock, flags);
 718 #else
 719         writel(value, &regs->TxPrd);
 720 #endif
 721         wmb();
 722 }
 723
 724
 725 static inline void ace_mask_irq(struct net_device *dev)
 726 {
 727         struct ace_private *ap = netdev_priv(dev);
 728         struct ace_regs __iomem *regs = ap->regs;
 729
 730         if (ACE_IS_TIGON_I(ap))
 731                 writel(1, &regs->MaskInt);
 732         else
 733                 writel(readl(&regs->HostCtrl) | MASK_INTS, &regs->HostCtrl);
 734
 735         ace_sync_irq(dev->irq);
 736 }
 737
 738
 739 static inline void ace_unmask_irq(struct net_device *dev)
 740 {
 741         struct ace_private *ap = netdev_priv(dev);
 742         struct ace_regs __iomem *regs = ap->regs;
 743
 744         if (ACE_IS_TIGON_I(ap))
 745                 writel(0, &regs->MaskInt);
 746         else
 747                 writel(readl(&regs->HostCtrl) & ~MASK_INTS, &regs->HostCtrl);
 748 }
 749
 750
 751 /*
 752  * Prototypes
 753  */
 754 static int ace_init(struct net_device *dev);
 755 static void ace_load_std_rx_ring(struct ace_private *ap, int nr_bufs);
 756 static void ace_load_mini_rx_ring(struct ace_private *ap, int nr_bufs);
 757 static void ace_load_jumbo_rx_ring(struct ace_private *ap, int nr_bufs);
 758 static irqreturn_t ace_interrupt(int irq, void *dev_id);
 759 static int ace_load_firmware(struct net_device *dev);
 760 static int ace_open(struct net_device *dev);
 761 static netdev_tx_t ace_start_xmit(struct sk_buff *skb,
 762                                   struct net_device *dev);
 763 static int ace_close(struct net_device *dev);
 764 static void ace_tasklet(unsigned long dev);
 765 static void ace_dump_trace(struct ace_private *ap);
 766 static void ace_set_multicast_list(struct net_device *dev);
 767 static int ace_change_mtu(struct net_device *dev, int new_mtu);
 768 static int ace_set_mac_addr(struct net_device *dev, void *p);
 769 static void ace_set_rxtx_parms(struct net_device *dev, int jumbo);
 770 static int ace_allocate_descriptors(struct net_device *dev);
 771 static void ace_free_descriptors(struct net_device *dev);
 772 static void ace_init_cleanup(struct net_device *dev);
 773 static struct net_device_stats *ace_get_stats(struct net_device *dev);
 774 static int read_eeprom_byte(struct net_device *dev, unsigned long offset);
 775 #if ACENIC_DO_VLAN
 776 static void ace_vlan_rx_register(struct net_device *dev, struct vlan_group *grp);
 777 #endif
 778
 779 #endif /* _ACENIC_H_ */