1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ACENIC_H_ 3 #define _ACENIC_H_ 4 #include <linux/interrupt.h> 5 #include <linux/workqueue.h> 6 7 /* 8 * Generate TX index update each time, when TX ring is closed. 9 * Normally, this is not useful, because results in more dma (and irqs 10 * without TX_COAL_INTS_ONLY). 11 */ 12 #define USE_TX_COAL_NOW 0 13 14 /* 15 * Addressing: 16 * 17 * The Tigon uses 64-bit host addresses, regardless of their actual 18 * length, and it expects a big-endian format. For 32 bit systems the 19 * upper 32 bits of the address are simply ignored (zero), however for 20 * little endian 64 bit systems (Alpha) this looks strange with the 21 * two parts of the address word being swapped. 22 * 23 * The addresses are split in two 32 bit words for all architectures 24 * as some of them are in PCI shared memory and it is necessary to use 25 * readl/writel to access them. 26 * 27 * The addressing code is derived from Pete Wyckoff's work, but 28 * modified to deal properly with readl/writel usage. 29 */ 30 31 struct ace_regs { 32 u32 pad0[16]; /* PCI control registers */ 33 34 u32 HostCtrl; /* 0x40 */ 35 u32 LocalCtrl; 36 37 u32 pad1[2]; 38 39 u32 MiscCfg; /* 0x50 */ 40 41 u32 pad2[2]; 42 43 u32 PciState; 44 45 u32 pad3[2]; /* 0x60 */ 46 47 u32 WinBase; 48 u32 WinData; 49 50 u32 pad4[12]; /* 0x70 */ 51 52 u32 DmaWriteState; /* 0xa0 */ 53 u32 pad5[3]; 54 u32 DmaReadState; /* 0xb0 */ 55 56 u32 pad6[26]; 57 58 u32 AssistState; 59 60 u32 pad7[8]; /* 0x120 */ 61 62 u32 CpuCtrl; /* 0x140 */ 63 u32 Pc; 64 65 u32 pad8[3]; 66 67 u32 SramAddr; /* 0x154 */ 68 u32 SramData; 69 70 u32 pad9[49]; 71 72 u32 MacRxState; /* 0x220 */ 73 74 u32 pad10[7]; 75 76 u32 CpuBCtrl; /* 0x240 */ 77 u32 PcB; 78 79 u32 pad11[3]; 80 81 u32 SramBAddr; /* 0x254 */ 82 u32 SramBData; 83 84 u32 pad12[105]; 85 86 u32 pad13[32]; /* 0x400 */ 87 u32 Stats[32]; 88 89 u32 Mb0Hi; /* 0x500 */ 90 u32 Mb0Lo; 91 u32 Mb1Hi; 92 u32 CmdPrd; 93 u32 Mb2Hi; 94 u32 TxPrd; 95 u32 Mb3Hi; 96 u32 RxStdPrd; 97 u32 Mb4Hi; 98 u32 RxJumboPrd; 99 u32 Mb5Hi; 100 u32 RxMiniPrd; 101 u32 Mb6Hi; 102 u32 Mb6Lo; 103 u32 Mb7Hi; 104 u32 Mb7Lo; 105 u32 Mb8Hi; 106 u32 Mb8Lo; 107 u32 Mb9Hi; 108 u32 Mb9Lo; 109 u32 MbAHi; 110 u32 MbALo; 111 u32 MbBHi; 112 u32 MbBLo; 113 u32 MbCHi; 114 u32 MbCLo; 115 u32 MbDHi; 116 u32 MbDLo; 117 u32 MbEHi; 118 u32 MbELo; 119 u32 MbFHi; 120 u32 MbFLo; 121 122 u32 pad14[32]; 123 124 u32 MacAddrHi; /* 0x600 */ 125 u32 MacAddrLo; 126 u32 InfoPtrHi; 127 u32 InfoPtrLo; 128 u32 MultiCastHi; /* 0x610 */ 129 u32 MultiCastLo; 130 u32 ModeStat; 131 u32 DmaReadCfg; 132 u32 DmaWriteCfg; /* 0x620 */ 133 u32 TxBufRat; 134 u32 EvtCsm; 135 u32 CmdCsm; 136 u32 TuneRxCoalTicks;/* 0x630 */ 137 u32 TuneTxCoalTicks; 138 u32 TuneStatTicks; 139 u32 TuneMaxTxDesc; 140 u32 TuneMaxRxDesc; /* 0x640 */ 141 u32 TuneTrace; 142 u32 TuneLink; 143 u32 TuneFastLink; 144 u32 TracePtr; /* 0x650 */ 145 u32 TraceStrt; 146 u32 TraceLen; 147 u32 IfIdx; 148 u32 IfMtu; /* 0x660 */ 149 u32 MaskInt; 150 u32 GigLnkState; 151 u32 FastLnkState; 152 u32 pad16[4]; /* 0x670 */ 153 u32 RxRetCsm; /* 0x680 */ 154 155 u32 pad17[31]; 156 157 u32 CmdRng[64]; /* 0x700 */ 158 u32 Window[0x200]; 159 }; 160 161 162 typedef struct { 163 u32 addrhi; 164 u32 addrlo; 165 } aceaddr; 166 167 168 #define ACE_WINDOW_SIZE 0x800 169 170 #define ACE_JUMBO_MTU 9000 171 #define ACE_STD_MTU 1500 172 173 #define ACE_TRACE_SIZE 0x8000 174 175 /* 176 * Host control register bits. 177 */ 178 179 #define IN_INT 0x01 180 #define CLR_INT 0x02 181 #define HW_RESET 0x08 182 #define BYTE_SWAP 0x10 183 #define WORD_SWAP 0x20 184 #define MASK_INTS 0x40 185 186 /* 187 * Local control register bits. 188 */ 189 190 #define EEPROM_DATA_IN 0x800000 191 #define EEPROM_DATA_OUT 0x400000 192 #define EEPROM_WRITE_ENABLE 0x200000 193 #define EEPROM_CLK_OUT 0x100000 194 195 #define EEPROM_BASE 0xa0000000 196 197 #define EEPROM_WRITE_SELECT 0xa0 198 #define EEPROM_READ_SELECT 0xa1 199 200 #define SRAM_BANK_512K 0x200 201 202 203 /* 204 * udelay() values for when clocking the eeprom 205 */ 206 #define ACE_SHORT_DELAY 2 207 #define ACE_LONG_DELAY 4 208 209 210 /* 211 * Misc Config bits 212 */ 213 214 #define SYNC_SRAM_TIMING 0x100000 215 216 217 /* 218 * CPU state bits. 219 */ 220 221 #define CPU_RESET 0x01 222 #define CPU_TRACE 0x02 223 #define CPU_PROM_FAILED 0x10 224 #define CPU_HALT 0x00010000 225 #define CPU_HALTED 0xffff0000 226 227 228 /* 229 * PCI State bits. 230 */ 231 232 #define DMA_READ_MAX_4 0x04 233 #define DMA_READ_MAX_16 0x08 234 #define DMA_READ_MAX_32 0x0c 235 #define DMA_READ_MAX_64 0x10 236 #define DMA_READ_MAX_128 0x14 237 #define DMA_READ_MAX_256 0x18 238 #define DMA_READ_MAX_1K 0x1c 239 #define DMA_WRITE_MAX_4 0x20 240 #define DMA_WRITE_MAX_16 0x40 241 #define DMA_WRITE_MAX_32 0x60 242 #define DMA_WRITE_MAX_64 0x80 243 #define DMA_WRITE_MAX_128 0xa0 244 #define DMA_WRITE_MAX_256 0xc0 245 #define DMA_WRITE_MAX_1K 0xe0 246 #define DMA_READ_WRITE_MASK 0xfc 247 #define MEM_READ_MULTIPLE 0x00020000 248 #define PCI_66MHZ 0x00080000 249 #define PCI_32BIT 0x00100000 250 #define DMA_WRITE_ALL_ALIGN 0x00800000 251 #define READ_CMD_MEM 0x06000000 252 #define WRITE_CMD_MEM 0x70000000 253 254 255 /* 256 * Mode status 257 */ 258 259 #define ACE_BYTE_SWAP_BD 0x02 260 #define ACE_WORD_SWAP_BD 0x04 /* not actually used */ 261 #define ACE_WARN 0x08 262 #define ACE_BYTE_SWAP_DMA 0x10 263 #define ACE_NO_JUMBO_FRAG 0x200 264 #define ACE_FATAL 0x40000000 265 266 267 /* 268 * DMA config 269 */ 270 271 #define DMA_THRESH_1W 0x10 272 #define DMA_THRESH_2W 0x20 273 #define DMA_THRESH_4W 0x40 274 #define DMA_THRESH_8W 0x80 275 #define DMA_THRESH_16W 0x100 276 #define DMA_THRESH_32W 0x0 /* not described in doc, but exists. */ 277 278 279 /* 280 * Tuning parameters 281 */ 282 283 #define TICKS_PER_SEC 1000000 284 285 286 /* 287 * Link bits 288 */ 289 290 #define LNK_PREF 0x00008000 291 #define LNK_10MB 0x00010000 292 #define LNK_100MB 0x00020000 293 #define LNK_1000MB 0x00040000 294 #define LNK_FULL_DUPLEX 0x00080000 295 #define LNK_HALF_DUPLEX 0x00100000 296 #define LNK_TX_FLOW_CTL_Y 0x00200000 297 #define LNK_NEG_ADVANCED 0x00400000 298 #define LNK_RX_FLOW_CTL_Y 0x00800000 299 #define LNK_NIC 0x01000000 300 #define LNK_JAM 0x02000000 301 #define LNK_JUMBO 0x04000000 302 #define LNK_ALTEON 0x08000000 303 #define LNK_NEG_FCTL 0x10000000 304 #define LNK_NEGOTIATE 0x20000000 305 #define LNK_ENABLE 0x40000000 306 #define LNK_UP 0x80000000 307 308 309 /* 310 * Event definitions 311 */ 312 313 #define EVT_RING_ENTRIES 256 314 #define EVT_RING_SIZE (EVT_RING_ENTRIES * sizeof(struct event)) 315 316 struct event { 317 #ifdef __LITTLE_ENDIAN_BITFIELD 318 u32 idx:12; 319 u32 code:12; 320 u32 evt:8; 321 #else 322 u32 evt:8; 323 u32 code:12; 324 u32 idx:12; 325 #endif 326 u32 pad; 327 }; 328 329 330 /* 331 * Events 332 */ 333 334 #define E_FW_RUNNING 0x01 335 #define E_STATS_UPDATED 0x04 336 337 #define E_STATS_UPDATE 0x04 338 339 #define E_LNK_STATE 0x06 340 #define E_C_LINK_UP 0x01 341 #define E_C_LINK_DOWN 0x02 342 #define E_C_LINK_10_100 0x03 343 344 #define E_ERROR 0x07 345 #define E_C_ERR_INVAL_CMD 0x01 346 #define E_C_ERR_UNIMP_CMD 0x02 347 #define E_C_ERR_BAD_CFG 0x03 348 349 #define E_MCAST_LIST 0x08 350 #define E_C_MCAST_ADDR_ADD 0x01 351 #define E_C_MCAST_ADDR_DEL 0x02 352 353 #define E_RESET_JUMBO_RNG 0x09 354 355 356 /* 357 * Commands 358 */ 359 360 #define CMD_RING_ENTRIES 64 361 362 struct cmd { 363 #ifdef __LITTLE_ENDIAN_BITFIELD 364 u32 idx:12; 365 u32 code:12; 366 u32 evt:8; 367 #else 368 u32 evt:8; 369 u32 code:12; 370 u32 idx:12; 371 #endif 372 }; 373 374 375 #define C_HOST_STATE 0x01 376 #define C_C_STACK_UP 0x01 377 #define C_C_STACK_DOWN 0x02 378 379 #define C_FDR_FILTERING 0x02 380 #define C_C_FDR_FILT_ENABLE 0x01 381 #define C_C_FDR_FILT_DISABLE 0x02 382 383 #define C_SET_RX_PRD_IDX 0x03 384 #define C_UPDATE_STATS 0x04 385 #define C_RESET_JUMBO_RNG 0x05 386 #define C_ADD_MULTICAST_ADDR 0x08 387 #define C_DEL_MULTICAST_ADDR 0x09 388 389 #define C_SET_PROMISC_MODE 0x0a 390 #define C_C_PROMISC_ENABLE 0x01 391 #define C_C_PROMISC_DISABLE 0x02 392 393 #define C_LNK_NEGOTIATION 0x0b 394 #define C_C_NEGOTIATE_BOTH 0x00 395 #define C_C_NEGOTIATE_GIG 0x01 396 #define C_C_NEGOTIATE_10_100 0x02 397 398 #define C_SET_MAC_ADDR 0x0c 399 #define C_CLEAR_PROFILE 0x0d 400 401 #define C_SET_MULTICAST_MODE 0x0e 402 #define C_C_MCAST_ENABLE 0x01 403 #define C_C_MCAST_DISABLE 0x02 404 405 #define C_CLEAR_STATS 0x0f 406 #define C_SET_RX_JUMBO_PRD_IDX 0x10 407 #define C_REFRESH_STATS 0x11 408 409 410 /* 411 * Descriptor flags 412 */ 413 #define BD_FLG_TCP_UDP_SUM 0x01 414 #define BD_FLG_IP_SUM 0x02 415 #define BD_FLG_END 0x04 416 #define BD_FLG_MORE 0x08 417 #define BD_FLG_JUMBO 0x10 418 #define BD_FLG_UCAST 0x20 419 #define BD_FLG_MCAST 0x40 420 #define BD_FLG_BCAST 0x60 421 #define BD_FLG_TYP_MASK 0x60 422 #define BD_FLG_IP_FRAG 0x80 423 #define BD_FLG_IP_FRAG_END 0x100 424 #define BD_FLG_VLAN_TAG 0x200 425 #define BD_FLG_FRAME_ERROR 0x400 426 #define BD_FLG_COAL_NOW 0x800 427 #define BD_FLG_MINI 0x1000 428 429 430 /* 431 * Ring Control block flags 432 */ 433 #define RCB_FLG_TCP_UDP_SUM 0x01 434 #define RCB_FLG_IP_SUM 0x02 435 #define RCB_FLG_NO_PSEUDO_HDR 0x08 436 #define RCB_FLG_VLAN_ASSIST 0x10 437 #define RCB_FLG_COAL_INT_ONLY 0x20 438 #define RCB_FLG_TX_HOST_RING 0x40 439 #define RCB_FLG_IEEE_SNAP_SUM 0x80 440 #define RCB_FLG_EXT_RX_BD 0x100 441 #define RCB_FLG_RNG_DISABLE 0x200 442 443 444 /* 445 * TX ring - maximum TX ring entries for Tigon I's is 128 446 */ 447 #define MAX_TX_RING_ENTRIES 256 448 #define TIGON_I_TX_RING_ENTRIES 128 449 #define TX_RING_SIZE (MAX_TX_RING_ENTRIES * sizeof(struct tx_desc)) 450 #define TX_RING_BASE 0x3800 451 452 struct tx_desc{ 453 aceaddr addr; 454 u32 flagsize; 455 #if 0 456 /* 457 * This is in PCI shared mem and must be accessed with readl/writel 458 * real layout is: 459 */ 460 #if __LITTLE_ENDIAN 461 u16 flags; 462 u16 size; 463 u16 vlan; 464 u16 reserved; 465 #else 466 u16 size; 467 u16 flags; 468 u16 reserved; 469 u16 vlan; 470 #endif 471 #endif 472 u32 vlanres; 473 }; 474 475 476 #define RX_STD_RING_ENTRIES 512 477 #define RX_STD_RING_SIZE (RX_STD_RING_ENTRIES * sizeof(struct rx_desc)) 478 479 #define RX_JUMBO_RING_ENTRIES 256 480 #define RX_JUMBO_RING_SIZE (RX_JUMBO_RING_ENTRIES *sizeof(struct rx_desc)) 481 482 #define RX_MINI_RING_ENTRIES 1024 483 #define RX_MINI_RING_SIZE (RX_MINI_RING_ENTRIES *sizeof(struct rx_desc)) 484 485 #define RX_RETURN_RING_ENTRIES 2048 486 #define RX_RETURN_RING_SIZE (RX_MAX_RETURN_RING_ENTRIES * \ 487 sizeof(struct rx_desc)) 488 489 struct rx_desc{ 490 aceaddr addr; 491 #ifdef __LITTLE_ENDIAN 492 u16 size; 493 u16 idx; 494 #else 495 u16 idx; 496 u16 size; 497 #endif 498 #ifdef __LITTLE_ENDIAN 499 u16 flags; 500 u16 type; 501 #else 502 u16 type; 503 u16 flags; 504 #endif 505 #ifdef __LITTLE_ENDIAN 506 u16 tcp_udp_csum; 507 u16 ip_csum; 508 #else 509 u16 ip_csum; 510 u16 tcp_udp_csum; 511 #endif 512 #ifdef __LITTLE_ENDIAN 513 u16 vlan; 514 u16 err_flags; 515 #else 516 u16 err_flags; 517 u16 vlan; 518 #endif 519 u32 reserved; 520 u32 opague; 521 }; 522 523 524 /* 525 * This struct is shared with the NIC firmware. 526 */ 527 struct ring_ctrl { 528 aceaddr rngptr; 529 #ifdef __LITTLE_ENDIAN 530 u16 flags; 531 u16 max_len; 532 #else 533 u16 max_len; 534 u16 flags; 535 #endif 536 u32 pad; 537 }; 538 539 540 struct ace_mac_stats { 541 u32 excess_colls; 542 u32 coll_1; 543 u32 coll_2; 544 u32 coll_3; 545 u32 coll_4; 546 u32 coll_5; 547 u32 coll_6; 548 u32 coll_7; 549 u32 coll_8; 550 u32 coll_9; 551 u32 coll_10; 552 u32 coll_11; 553 u32 coll_12; 554 u32 coll_13; 555 u32 coll_14; 556 u32 coll_15; 557 u32 late_coll; 558 u32 defers; 559 u32 crc_err; 560 u32 underrun; 561 u32 crs_err; 562 u32 pad[3]; 563 u32 drop_ula; 564 u32 drop_mc; 565 u32 drop_fc; 566 u32 drop_space; 567 u32 coll; 568 u32 kept_bc; 569 u32 kept_mc; 570 u32 kept_uc; 571 }; 572 573 574 struct ace_info { 575 union { 576 u32 stats[256]; 577 } s; 578 struct ring_ctrl evt_ctrl; 579 struct ring_ctrl cmd_ctrl; 580 struct ring_ctrl tx_ctrl; 581 struct ring_ctrl rx_std_ctrl; 582 struct ring_ctrl rx_jumbo_ctrl; 583 struct ring_ctrl rx_mini_ctrl; 584 struct ring_ctrl rx_return_ctrl; 585 aceaddr evt_prd_ptr; 586 aceaddr rx_ret_prd_ptr; 587 aceaddr tx_csm_ptr; 588 aceaddr stats2_ptr; 589 }; 590 591 592 struct ring_info { 593 struct sk_buff *skb; 594 DEFINE_DMA_UNMAP_ADDR(mapping); 595 }; 596 597 598 /* 599 * Funny... As soon as we add maplen on alpha, it starts to work 600 * much slower. Hmm... is it because struct does not fit to one cacheline? 601 * So, split tx_ring_info. 602 */ 603 struct tx_ring_info { 604 struct sk_buff *skb; 605 DEFINE_DMA_UNMAP_ADDR(mapping); 606 DEFINE_DMA_UNMAP_LEN(maplen); 607 }; 608 609 610 /* 611 * struct ace_skb holding the rings of skb's. This is an awful lot of 612 * pointers, but I don't see any other smart mode to do this in an 613 * efficient manner ;-( 614 */ 615 struct ace_skb 616 { 617 struct tx_ring_info tx_skbuff[MAX_TX_RING_ENTRIES]; 618 struct ring_info rx_std_skbuff[RX_STD_RING_ENTRIES]; 619 struct ring_info rx_mini_skbuff[RX_MINI_RING_ENTRIES]; 620 struct ring_info rx_jumbo_skbuff[RX_JUMBO_RING_ENTRIES]; 621 }; 622 623 624 /* 625 * Struct private for the AceNIC. 626 * 627 * Elements are grouped so variables used by the tx handling goes 628 * together, and will go into the same cache lines etc. in order to 629 * avoid cache line contention between the rx and tx handling on SMP. 630 * 631 * Frequently accessed variables are put at the beginning of the 632 * struct to help the compiler generate better/shorter code. 633 */ 634 struct ace_private 635 { 636 struct net_device *ndev; /* backpointer */ 637 struct ace_info *info; 638 struct ace_regs __iomem *regs; /* register base */ 639 struct ace_skb *skb; 640 dma_addr_t info_dma; /* 32/64 bit */ 641 642 int version, link; 643 int promisc, mcast_all; 644 645 /* 646 * TX elements 647 */ 648 struct tx_desc *tx_ring; 649 u32 tx_prd; 650 volatile u32 tx_ret_csm; 651 int tx_ring_entries; 652 653 /* 654 * RX elements 655 */ 656 unsigned long std_refill_busy 657 __attribute__ ((aligned (SMP_CACHE_BYTES))); 658 unsigned long mini_refill_busy, jumbo_refill_busy; 659 atomic_t cur_rx_bufs; 660 atomic_t cur_mini_bufs; 661 atomic_t cur_jumbo_bufs; 662 u32 rx_std_skbprd, rx_mini_skbprd, rx_jumbo_skbprd; 663 u32 cur_rx; 664 665 struct rx_desc *rx_std_ring; 666 struct rx_desc *rx_jumbo_ring; 667 struct rx_desc *rx_mini_ring; 668 struct rx_desc *rx_return_ring; 669 670 int bh_work_pending, jumbo; 671 struct work_struct ace_bh_work; 672 673 struct event *evt_ring; 674 675 volatile u32 *evt_prd, *rx_ret_prd, *tx_csm; 676 677 dma_addr_t tx_ring_dma; /* 32/64 bit */ 678 dma_addr_t rx_ring_base_dma; 679 dma_addr_t evt_ring_dma; 680 dma_addr_t evt_prd_dma, rx_ret_prd_dma, tx_csm_dma; 681 682 unsigned char *trace_buf; 683 struct pci_dev *pdev; 684 struct net_device *next; 685 volatile int fw_running; 686 int board_idx; 687 u16 pci_command; 688 u8 pci_latency; 689 const char *name; 690 #ifdef INDEX_DEBUG 691 spinlock_t debug_lock 692 __attribute__ ((aligned (SMP_CACHE_BYTES))); 693 u32 last_tx, last_std_rx, last_mini_rx; 694 #endif 695 u8 firmware_major; 696 u8 firmware_minor; 697 u8 firmware_fix; 698 u32 firmware_start; 699 }; 700 701 702 #define TX_RESERVED MAX_SKB_FRAGS 703 tx_space(struct ace_private * ap,u32 csm,u32 prd)704 static inline int tx_space (struct ace_private *ap, u32 csm, u32 prd) 705 { 706 return (csm - prd - 1) & (ACE_TX_RING_ENTRIES(ap) - 1); 707 } 708 709 #define tx_free(ap) tx_space((ap)->tx_ret_csm, (ap)->tx_prd, ap) 710 #define tx_ring_full(ap, csm, prd) (tx_space(ap, csm, prd) <= TX_RESERVED) 711 set_aceaddr(aceaddr * aa,dma_addr_t addr)712 static inline void set_aceaddr(aceaddr *aa, dma_addr_t addr) 713 { 714 u64 baddr = (u64) addr; 715 aa->addrlo = baddr & 0xffffffff; 716 aa->addrhi = baddr >> 32; 717 wmb(); 718 } 719 720 ace_set_txprd(struct ace_regs __iomem * regs,struct ace_private * ap,u32 value)721 static inline void ace_set_txprd(struct ace_regs __iomem *regs, 722 struct ace_private *ap, u32 value) 723 { 724 #ifdef INDEX_DEBUG 725 unsigned long flags; 726 spin_lock_irqsave(&ap->debug_lock, flags); 727 writel(value, ®s->TxPrd); 728 if (value == ap->last_tx) 729 printk(KERN_ERR "AceNIC RACE ALERT! writing identical value " 730 "to tx producer (%i)\n", value); 731 ap->last_tx = value; 732 spin_unlock_irqrestore(&ap->debug_lock, flags); 733 #else 734 writel(value, ®s->TxPrd); 735 #endif 736 wmb(); 737 } 738 739 ace_mask_irq(struct net_device * dev)740 static inline void ace_mask_irq(struct net_device *dev) 741 { 742 struct ace_private *ap = netdev_priv(dev); 743 struct ace_regs __iomem *regs = ap->regs; 744 745 if (ACE_IS_TIGON_I(ap)) 746 writel(1, ®s->MaskInt); 747 else 748 writel(readl(®s->HostCtrl) | MASK_INTS, ®s->HostCtrl); 749 750 ace_sync_irq(dev->irq); 751 } 752 753 ace_unmask_irq(struct net_device * dev)754 static inline void ace_unmask_irq(struct net_device *dev) 755 { 756 struct ace_private *ap = netdev_priv(dev); 757 struct ace_regs __iomem *regs = ap->regs; 758 759 if (ACE_IS_TIGON_I(ap)) 760 writel(0, ®s->MaskInt); 761 else 762 writel(readl(®s->HostCtrl) & ~MASK_INTS, ®s->HostCtrl); 763 } 764 765 766 /* 767 * Prototypes 768 */ 769 static int ace_init(struct net_device *dev); 770 static void ace_load_std_rx_ring(struct net_device *dev, int nr_bufs); 771 static void ace_load_mini_rx_ring(struct net_device *dev, int nr_bufs); 772 static void ace_load_jumbo_rx_ring(struct net_device *dev, int nr_bufs); 773 static irqreturn_t ace_interrupt(int irq, void *dev_id); 774 static int ace_load_firmware(struct net_device *dev); 775 static int ace_open(struct net_device *dev); 776 static netdev_tx_t ace_start_xmit(struct sk_buff *skb, 777 struct net_device *dev); 778 static int ace_close(struct net_device *dev); 779 static void ace_bh_work(struct work_struct *work); 780 static void ace_dump_trace(struct ace_private *ap); 781 static void ace_set_multicast_list(struct net_device *dev); 782 static int ace_change_mtu(struct net_device *dev, int new_mtu); 783 static int ace_set_mac_addr(struct net_device *dev, void *p); 784 static void ace_set_rxtx_parms(struct net_device *dev, int jumbo); 785 static int ace_allocate_descriptors(struct net_device *dev); 786 static void ace_free_descriptors(struct net_device *dev); 787 static void ace_init_cleanup(struct net_device *dev); 788 static struct net_device_stats *ace_get_stats(struct net_device *dev); 789 static int read_eeprom_byte(struct net_device *dev, unsigned long offset); 790 791 #endif /* _ACENIC_H_ */ 792