1/* $NetBSD: if_tireg.h,v 1.32 2023/02/21 22:13:02 andvar Exp $ */ 2 3/* 4 * Copyright (c) 1997, 1998, 1999 5 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 * FreeBSD Id: if_tireg.h,v 1.9 1999/07/27 03:54:48 wpaul Exp 35 */ 36 37/* 38 * Tigon register offsets. These are memory mapped registers 39 * which can be accessed with the CSR_READ_4()/CSR_WRITE_4() macros. 40 * Each register must be accessed using 32 bit operations. 41 * 42 * All registers are accessed through a 16K shared memory block. 43 * The first group of registers are actually copies of the PCI 44 * configuration space registers. 45 */ 46 47/* 48 * Tigon configuration and control registers. 49 */ 50#define TI_MISC_HOST_CTL 0x040 51#define TI_MISC_LOCAL_CTL 0x044 52#define TI_SEM_AB 0x048 /* Tigon 2 only */ 53#define TI_MISC_CONF 0x050 /* Tigon 2 only */ 54#define TI_TIMER_BITS 0x054 55#define TI_TIMERREF 0x058 56#define TI_PCI_STATE 0x05C 57#define TI_MAIN_EVENT_A 0x060 58#define TI_MAILBOX_EVENT_A 0x064 59#define TI_WINBASE 0x068 60#define TI_WINDATA 0x06C 61#define TI_MAIN_EVENT_B 0x070 /* Tigon 2 only */ 62#define TI_MAILBOX_EVENT_B 0x074 /* Tigon 2 only */ 63#define TI_TIMERREF_B 0x078 /* Tigon 2 only */ 64#define TI_SERIAL 0x07C 65 66/* 67 * Misc host control bits. 68 */ 69#define TI_MHC_INTSTATE 0x00000001 70#define TI_MHC_CLEARINT 0x00000002 71#define TI_MHC_RESET 0x00000008 72#define TI_MHC_BYTE_SWAP_ENB 0x00000010 73#define TI_MHC_WORD_SWAP_ENB 0x00000020 74#define TI_MHC_MASK_INTS 0x00000040 75#define TI_MHC_CHIP_REV_MASK 0xF0000000 76 77#define TI_MHC_BIGENDIAN_INIT \ 78 (TI_MHC_BYTE_SWAP_ENB|TI_MHC_WORD_SWAP_ENB|TI_MHC_CLEARINT) 79 80#define TI_MHC_LITTLEENDIAN_INIT \ 81 (TI_MHC_WORD_SWAP_ENB|TI_MHC_CLEARINT) 82 83/* 84 * Tigon chip rev values. Rev 4 is the Tigon 1. Rev 6 is the Tigon 2. 85 * Rev 5 is also the Tigon 2, but is a broken version which was never 86 * used in any actual hardware, so we ignore it. 87 */ 88#define TI_REV_TIGON_I 0x40000000 89#define TI_REV_TIGON_II 0x60000000 90 91/* 92 * Firmware revision that we want. 93 */ 94#define TI_FIRMWARE_MAJOR 0xc 95#define TI_FIRMWARE_MINOR 0x4 96#define TI_FIRMWARE_FIX 0xd 97 98/* 99 * Miscellaneous Local Control register. 100 */ 101#define TI_MLC_EE_WRITE_ENB 0x00000010 102#define TI_MLC_SRAM_BANK_256K 0x00000200 103#define TI_MLC_SRAM_BANK_SIZE 0x00000300 /* Tigon 2 only */ 104#define TI_MLC_LOCALADDR_21 0x00004000 105#define TI_MLC_LOCALADDR_22 0x00008000 106#define TI_MLC_SBUS_WRITEERR 0x00080000 107#define TI_MLC_EE_CLK 0x00100000 108#define TI_MLC_EE_TXEN 0x00200000 109#define TI_MLC_EE_DOUT 0x00400000 110#define TI_MLC_EE_DIN 0x00800000 111 112/* 113 * Offset of MAC address inside EEPROM. 114 */ 115#define TI_EE_MAC_OFFSET 0x8c 116 117#define TI_DMA_ASSIST 0x11C 118#define TI_CPU_STATE 0x140 119#define TI_CPU_PROGRAM_COUNTER 0x144 120#define TI_SRAM_ADDR 0x154 121#define TI_SRAM_DATA 0x158 122#define TI_GEN_0 0x180 123#define TI_GEN_X 0x1FC 124#define TI_MAC_TX_STATE 0x200 125#define TI_MAC_RX_STATE 0x220 126#define TI_CPU_CTL_B 0x240 /* Tigon 2 only */ 127#define TI_CPU_PROGRAM_COUNTER_B 0x244 /* Tigon 2 only */ 128#define TI_SRAM_ADDR_B 0x254 /* Tigon 2 only */ 129#define TI_SRAM_DATA_B 0x258 /* Tigon 2 only */ 130#define TI_GEN_B_0 0x280 /* Tigon 2 only */ 131#define TI_GEN_B_X 0x2FC /* Tigon 2 only */ 132 133/* 134 * Misc config register. 135 */ 136#define TI_MCR_SRAM_SYNCHRONOUS 0x00100000 /* Tigon 2 only */ 137 138/* 139 * PCI state register. 140 */ 141#define TI_PCISTATE_FORCE_RESET 0x00000001 142#define TI_PCISTATE_PROVIDE_LEN 0x00000002 143#define TI_PCISTATE_READ_MAXDMA 0x0000001C 144#define TI_PCISTATE_WRITE_MAXDMA 0x000000E0 145#define TI_PCISTATE_MINDMA 0x0000FF00 146#define TI_PCISTATE_FIFO_RETRY_ENB 0x00010000 147#define TI_PCISTATE_USE_MEM_RD_MULT 0x00020000 148#define TI_PCISTATE_NO_SWAP_READ_DMA 0x00040000 149#define TI_PCISTATE_NO_SWAP_WRITE_DMA 0x00080000 150#define TI_PCISTATE_66MHZ_BUS 0x00080000 /* Tigon 2 only */ 151#define TI_PCISTATE_32BIT_BUS 0x00100000 /* Tigon 2 only */ 152#define TI_PCISTATE_ENB_BYTE_ENABLES 0x00800000 /* Tigon 2 only */ 153#define TI_PCISTATE_READ_CMD 0x0F000000 154#define TI_PCISTATE_WRITE_CMD 0xF0000000 155 156#define TI_PCI_READMAX_4 0x04 157#define TI_PCI_READMAX_16 0x08 158#define TI_PCI_READMAX_32 0x0C 159#define TI_PCI_READMAX_64 0x10 160#define TI_PCI_READMAX_128 0x14 161#define TI_PCI_READMAX_256 0x18 162#define TI_PCI_READMAX_1024 0x1C 163 164#define TI_PCI_WRITEMAX_4 0x20 165#define TI_PCI_WRITEMAX_16 0x40 166#define TI_PCI_WRITEMAX_32 0x60 167#define TI_PCI_WRITEMAX_64 0x80 168#define TI_PCI_WRITEMAX_128 0xA0 169#define TI_PCI_WRITEMAX_256 0xC0 170#define TI_PCI_WRITEMAX_1024 0xE0 171 172#define TI_PCI_READ_CMD 0x06000000 173#define TI_PCI_WRITE_CMD 0x70000000 174 175/* 176 * DMA state register. 177 */ 178#define TI_DMASTATE_ENABLE 0x00000001 179#define TI_DMASTATE_PAUSE 0x00000002 180 181/* 182 * CPU state register. 183 */ 184#define TI_CPUSTATE_RESET 0x00000001 185#define TI_CPUSTATE_STEP 0x00000002 186#define TI_CPUSTATE_ROMFAIL 0x00000010 187#define TI_CPUSTATE_HALT 0x00010000 188/* 189 * MAC TX state register 190 */ 191#define TI_TXSTATE_RESET 0x00000001 192#define TI_TXSTATE_ENB 0x00000002 193#define TI_TXSTATE_STOP 0x00000004 194 195/* 196 * MAC RX state register 197 */ 198#define TI_RXSTATE_RESET 0x00000001 199#define TI_RXSTATE_ENB 0x00000002 200#define TI_RXSTATE_STOP 0x00000004 201 202/* 203 * Tigon 2 mailbox registers. The mailbox area consists of 256 bytes 204 * split into 64 bit registers. Only the lower 32 bits of each mailbox 205 * are used. 206 */ 207#define TI_MB_HOSTINTR_HI 0x500 208#define TI_MB_HOSTINTR_LO 0x504 209#define TI_MB_HOSTINTR TI_MB_HOSTINTR_LO 210#define TI_MB_CMDPROD_IDX_HI 0x508 211#define TI_MB_CMDPROD_IDX_LO 0x50C 212#define TI_MB_CMDPROD_IDX TI_MB_CMDPROD_IDX_LO 213#define TI_MB_SENDPROD_IDX_HI 0x510 214#define TI_MB_SENDPROD_IDX_LO 0x514 215#define TI_MB_SENDPROD_IDX TI_MB_SENDPROD_IDX_LO 216#define TI_MB_STDRXPROD_IDX_HI 0x518 /* Tigon 2 only */ 217#define TI_MB_STDRXPROD_IDX_LO 0x51C /* Tigon 2 only */ 218#define TI_MB_STDRXPROD_IDX TI_MB_STDRXPROD_IDX_LO 219#define TI_MB_JUMBORXPROD_IDX_HI 0x520 /* Tigon 2 only */ 220#define TI_MB_JUMBORXPROD_IDX_LO 0x524 /* Tigon 2 only */ 221#define TI_MB_JUMBORXPROD_IDX TI_MB_JUMBORXPROD_IDX_LO 222#define TI_MB_MINIRXPROD_IDX_HI 0x528 /* Tigon 2 only */ 223#define TI_MB_MINIRXPROD_IDX_LO 0x52C /* Tigon 2 only */ 224#define TI_MB_MINIRXPROD_IDX TI_MB_MINIRXPROD_IDX_LO 225#define TI_MB_RSVD 0x530 226 227/* 228 * Tigon 2 general communication registers. These are 64 and 32 bit 229 * registers which are only valid after the firmware has been 230 * loaded and started. They actually exist in NIC memory but are 231 * mapped into the host memory via the shared memory region. 232 * 233 * The NIC internally maps these registers starting at address 0, 234 * so to determine the NIC address of any of these registers, we 235 * subtract 0x600 (the address of the first register). 236 */ 237 238#define TI_GCR_BASE 0x600 239#define TI_GCR_MACADDR 0x600 240#define TI_GCR_PAR0 0x600 241#define TI_GCR_PAR1 0x604 242#define TI_GCR_GENINFO_HI 0x608 243#define TI_GCR_GENINFO_LO 0x60C 244#define TI_GCR_MCASTADDR 0x610 /* obsolete */ 245#define TI_GCR_MAR0 0x610 /* obsolete */ 246#define TI_GCR_MAR1 0x614 /* obsolete */ 247#define TI_GCR_OPMODE 0x618 248#define TI_GCR_DMA_READCFG 0x61C 249#define TI_GCR_DMA_WRITECFG 0x620 250#define TI_GCR_TX_BUFFER_RATIO 0x624 251#define TI_GCR_EVENTCONS_IDX 0x628 252#define TI_GCR_CMDCONS_IDX 0x62C 253#define TI_GCR_TUNEPARMS 0x630 254#define TI_GCR_RX_COAL_TICKS 0x630 255#define TI_GCR_TX_COAL_TICKS 0x634 256#define TI_GCR_STAT_TICKS 0x638 257#define TI_GCR_TX_MAX_COAL_BD 0x63C 258#define TI_GCR_RX_MAX_COAL_BD 0x640 259#define TI_GCR_NIC_TRACING 0x644 260#define TI_GCR_GLINK 0x648 261#define TI_GCR_LINK 0x64C 262#define TI_GCR_NICTRACE_PTR 0x650 263#define TI_GCR_NICTRACE_START 0x654 264#define TI_GCR_NICTRACE_LEN 0x658 265#define TI_GCR_IFINDEX 0x65C 266#define TI_GCR_IFMTU 0x660 267#define TI_GCR_MASK_INTRS 0x664 268#define TI_GCR_GLINK_STAT 0x668 269#define TI_GCR_LINK_STAT 0x66C 270#define TI_GCR_RXRETURNCONS_IDX 0x680 271#define TI_GCR_CMDRING 0x700 272 273#define TI_GCR_NIC_ADDR(x) (x - TI_GCR_BASE); 274 275/* 276 * Local memory window. The local memory window is a 2K shared 277 * memory region which can be used to access the NIC's internal 278 * SRAM. The window can be mapped to a given 2K region using 279 * the TI_WINDOW_BASE register. 280 */ 281#define TI_WINDOW 0x800 282#define TI_WINLEN 0x800 283 284#define TI_TICKS_PER_SEC 1000000 285 286/* 287 * Operation mode register. 288 */ 289#define TI_OPMODE_BYTESWAP_BD 0x00000002 290#define TI_OPMODE_WORDSWAP_BD 0x00000004 291#define TI_OPMODE_WARN_ENB 0x00000008 /* not yet implemented */ 292#define TI_OPMODE_BYTESWAP_DATA 0x00000010 293#define TI_OPMODE_1_DMA_ACTIVE 0x00000040 294#define TI_OPMODE_SBUS 0x00000100 295#define TI_OPMODE_DONT_FRAG_JUMBO 0x00000200 296#define TI_OPMODE_INCLUDE_CRC 0x00000400 297#define TI_OPMODE_RX_BADFRAMES 0x00000800 298#define TI_OPMODE_NO_EVENT_INTRS 0x00001000 299#define TI_OPMODE_NO_TX_INTRS 0x00002000 300#define TI_OPMODE_NO_RX_INTRS 0x00004000 301#define TI_OPMODE_FATAL_ENB 0x40000000 /* not yet implemented */ 302 303/* 304 * DMA configuration thresholds. 305 */ 306#define TI_DMA_STATE_THRESH_16W 0x00000100 307#define TI_DMA_STATE_THRESH_8W 0x00000080 308#define TI_DMA_STATE_THRESH_4W 0x00000040 309#define TI_DMA_STATE_THRESH_2W 0x00000020 310#define TI_DMA_STATE_THRESH_1W 0x00000010 311 312#define TI_DMA_STATE_FORCE_32_BIT 0x00000008 313 314/* 315 * Gigabit link status bits. 316 */ 317#define TI_GLNK_SENSE_NO_BEG 0x00002000 318#define TI_GLNK_LOOPBACK 0x00004000 319#define TI_GLNK_PREF 0x00008000 320#define TI_GLNK_1000MB 0x00040000 321#define TI_GLNK_FULL_DUPLEX 0x00080000 322#define TI_GLNK_TX_FLOWCTL_Y 0x00200000 /* Tigon 2 only */ 323#define TI_GLNK_RX_FLOWCTL_Y 0x00800000 324#define TI_GLNK_AUTONEGENB 0x20000000 325#define TI_GLNK_ENB 0x40000000 326 327/* 328 * Link status bits. 329 */ 330#define TI_LNK_LOOPBACK 0x00004000 331#define TI_LNK_PREF 0x00008000 332#define TI_LNK_10MB 0x00010000 333#define TI_LNK_100MB 0x00020000 334#define TI_LNK_1000MB 0x00040000 335#define TI_LNK_FULL_DUPLEX 0x00080000 336#define TI_LNK_HALF_DUPLEX 0x00100000 337#define TI_LNK_TX_FLOWCTL_Y 0x00200000 /* Tigon 2 only */ 338#define TI_LNK_RX_FLOWCTL_Y 0x00800000 339#define TI_LNK_AUTONEGENB 0x20000000 340#define TI_LNK_ENB 0x40000000 341 342/* 343 * Ring size constants. 344 */ 345#define TI_EVENT_RING_CNT 256 346#define TI_CMD_RING_CNT 64 347#define TI_STD_RX_RING_CNT 512 348#define TI_JUMBO_RX_RING_CNT 256 349#define TI_MINI_RX_RING_CNT 1024 350#define TI_RETURN_RING_CNT 2048 351 352/* 353 * Possible TX ring sizes. 354 */ 355#define TI_TX_RING_CNT_128 128 356#define TI_TX_RING_BASE_128 0x3800 357 358#define TI_TX_RING_CNT_256 256 359#define TI_TX_RING_BASE_256 0x3000 360 361#define TI_TX_RING_CNT_512 512 362#define TI_TX_RING_BASE_512 0x2000 363 364#define TI_TX_RING_CNT TI_TX_RING_CNT_512 365#define TI_TX_RING_BASE TI_TX_RING_BASE_512 366 367/* 368 * The Tigon can have up to 8MB of external SRAM, however the Tigon 1 369 * is limited to 2MB total, and in general I think most adapters have 370 * around 1MB. We use this value for zeroing the NIC's SRAM, so to 371 * be safe we use the largest possible value (zeroing memory that 372 * isn't there doesn't hurt anything). 373 */ 374#define TI_MEM_MAX 0x7FFFFF 375 376/* 377 * Even on the alpha, pci addresses are 32-bit quantities 378 */ 379 380#ifdef __64_bit_pci_addressing__ 381typedef struct { 382 u_int64_t ti_addr; 383} ti_hostaddr; 384#define TI_HOSTADDR(x) x.ti_addr 385#else 386typedef struct { 387 uint32_t ti_addr_hi; 388 uint32_t ti_addr_lo; 389} ti_hostaddr; 390#define TI_HOSTADDR(x) x.ti_addr_lo 391#endif 392 393/* 394 * Ring control block structure. The rules for the max_len field 395 * are as follows: 396 * 397 * For the send ring, max_len indicates the number of entries in the 398 * ring (128, 256 or 512). 399 * 400 * For the standard receive ring, max_len indicates the threshold 401 * used to decide when a frame should be put in the jumbo receive ring 402 * instead of the standard one. 403 * 404 * For the mini ring, max_len indicates the size of the buffers in the 405 * ring. This is the value used to decide when a frame is small enough 406 * to be placed in the mini ring. 407 * 408 * For the return receive ring, max_len indicates the number of entries 409 * in the ring. It can be one of 2048, 1024 or 0 (which is the same as 410 * 2048 for backwards compatibility). The value 1024 can only be used 411 * if the mini ring is disabled. 412 */ 413struct ti_rcb { 414 ti_hostaddr ti_hostaddr; 415#if BYTE_ORDER == BIG_ENDIAN 416 uint16_t ti_max_len; 417 uint16_t ti_flags; 418#else 419 uint16_t ti_flags; 420 uint16_t ti_max_len; 421#endif 422 uint32_t ti_unused; 423}; 424 425#define TI_RCB_FLAG_TCP_UDP_CKSUM 0x00000001 426#define TI_RCB_FLAG_IP_CKSUM 0x00000002 427#define TI_RCB_FLAG_NO_PHDR_CKSUM 0x00000008 428#define TI_RCB_FLAG_VLAN_ASSIST 0x00000010 429#define TI_RCB_FLAG_COAL_UPD_ONLY 0x00000020 430#define TI_RCB_FLAG_HOST_RING 0x00000040 431#define TI_RCB_FLAG_IEEE_SNAP_CKSUM 0x00000080 432#define TI_RCB_FLAG_USE_EXT_RX_BD 0x00000100 433#define TI_RCB_FLAG_RING_DISABLED 0x00000200 434 435struct ti_producer { 436 uint32_t ti_idx; 437 uint32_t ti_unused; 438}; 439 440/* 441 * Tigon statistics counters. 442 */ 443struct ti_stats { 444 /* 445 * MAC stats, taken from RFC 1643, ethernet-like MIB 446 */ 447 volatile uint32_t dot3StatsAlignmentErrors; /* 0 */ 448 volatile uint32_t dot3StatsFCSErrors; /* 1 */ 449 volatile uint32_t dot3StatsSingleCollisionFrames; /* 2 */ 450 volatile uint32_t dot3StatsMultipleCollisionFrames; /* 3 */ 451 volatile uint32_t dot3StatsSQETestErrors; /* 4 */ 452 volatile uint32_t dot3StatsDeferredTransmissions; /* 5 */ 453 volatile uint32_t dot3StatsLateCollisions; /* 6 */ 454 volatile uint32_t dot3StatsExcessiveCollisions; /* 7 */ 455 volatile uint32_t dot3StatsInternalMacTransmitErrors; /* 8 */ 456 volatile uint32_t dot3StatsCarrierSenseErrors; /* 9 */ 457 volatile uint32_t dot3StatsFrameTooLongs; /* 10 */ 458 volatile uint32_t dot3StatsInternalMacReceiveErrors; /* 11 */ 459 /* 460 * interface stats, taken from RFC 1213, MIB-II, interfaces group 461 */ 462 volatile uint32_t ifIndex; /* 12 */ 463 volatile uint32_t ifType; /* 13 */ 464 volatile uint32_t ifMtu; /* 14 */ 465 volatile uint32_t ifSpeed; /* 15 */ 466 volatile uint32_t ifAdminStatus; /* 16 */ 467#define IF_ADMIN_STATUS_UP 1 468#define IF_ADMIN_STATUS_DOWN 2 469#define IF_ADMIN_STATUS_TESTING 3 470 volatile uint32_t ifOperStatus; /* 17 */ 471#define IF_OPER_STATUS_UP 1 472#define IF_OPER_STATUS_DOWN 2 473#define IF_OPER_STATUS_TESTING 3 474#define IF_OPER_STATUS_UNKNOWN 4 475#define IF_OPER_STATUS_DORMANT 5 476 volatile uint32_t ifLastChange; /* 18 */ 477 volatile uint32_t ifInDiscards; /* 19 */ 478 volatile uint32_t ifInErrors; /* 20 */ 479 volatile uint32_t ifInUnknownProtos; /* 21 */ 480 volatile uint32_t ifOutDiscards; /* 22 */ 481 volatile uint32_t ifOutErrors; /* 23 */ 482 volatile uint32_t ifOutQLen; /* deprecated */ /* 24 */ 483 volatile uint8_t ifPhysAddress[8]; /* 8 bytes */ /* 25 - 26 */ 484 volatile uint8_t ifDescr[32]; /* 27 - 34 */ 485 uint32_t alignIt; /* align to 64 bit for uint64_ts following */ 486 /* 487 * more interface stats, taken from RFC 1573, MIB-IIupdate, 488 * interfaces group 489 */ 490 volatile uint64_t ifHCInOctets; /* 36 - 37 */ 491 volatile uint64_t ifHCInUcastPkts; /* 38 - 39 */ 492 volatile uint64_t ifHCInMulticastPkts; /* 40 - 41 */ 493 volatile uint64_t ifHCInBroadcastPkts; /* 42 - 43 */ 494 volatile uint64_t ifHCOutOctets; /* 44 - 45 */ 495 volatile uint64_t ifHCOutUcastPkts; /* 46 - 47 */ 496 volatile uint64_t ifHCOutMulticastPkts; /* 48 - 49 */ 497 volatile uint64_t ifHCOutBroadcastPkts; /* 50 - 51 */ 498 volatile uint32_t ifLinkUpDownTrapEnable; /* 52 */ 499 volatile uint32_t ifHighSpeed; /* 53 */ 500 volatile uint32_t ifPromiscuousMode; /* 54 */ 501 volatile uint32_t ifConnectorPresent; /* follow link state 55 */ 502 /* 503 * Host Commands 504 */ 505 volatile uint32_t nicCmdsHostState; /* 56 */ 506 volatile uint32_t nicCmdsFDRFiltering; /* 57 */ 507 volatile uint32_t nicCmdsSetRecvProdIndex; /* 58 */ 508 volatile uint32_t nicCmdsUpdateGencommStats; /* 59 */ 509 volatile uint32_t nicCmdsResetJumboRing; /* 60 */ 510 volatile uint32_t nicCmdsAddMCastAddr; /* 61 */ 511 volatile uint32_t nicCmdsDelMCastAddr; /* 62 */ 512 volatile uint32_t nicCmdsSetPromiscMode; /* 63 */ 513 volatile uint32_t nicCmdsLinkNegotiate; /* 64 */ 514 volatile uint32_t nicCmdsSetMACAddr; /* 65 */ 515 volatile uint32_t nicCmdsClearProfile; /* 66 */ 516 volatile uint32_t nicCmdsSetMulticastMode; /* 67 */ 517 volatile uint32_t nicCmdsClearStats; /* 68 */ 518 volatile uint32_t nicCmdsSetRecvJumboProdIndex; /* 69 */ 519 volatile uint32_t nicCmdsSetRecvMiniProdIndex; /* 70 */ 520 volatile uint32_t nicCmdsRefreshStats; /* 71 */ 521 volatile uint32_t nicCmdsUnknown; /* 72 */ 522 /* 523 * NIC Events 524 */ 525 volatile uint32_t nicEventsNICFirmwareOperational; /* 73 */ 526 volatile uint32_t nicEventsStatsUpdated; /* 74 */ 527 volatile uint32_t nicEventsLinkStateChanged; /* 75 */ 528 volatile uint32_t nicEventsError; /* 76 */ 529 volatile uint32_t nicEventsMCastListUpdated; /* 77 */ 530 volatile uint32_t nicEventsResetJumboRing; /* 78 */ 531 /* 532 * Ring manipulation 533 */ 534 volatile uint32_t nicRingSetSendProdIndex; /* 79 */ 535 volatile uint32_t nicRingSetSendConsIndex; /* 80 */ 536 volatile uint32_t nicRingSetRecvReturnProdIndex; /* 81 */ 537 /* 538 * Interrupts 539 */ 540 volatile uint32_t nicInterrupts; /* 82 */ 541 volatile uint32_t nicAvoidedInterrupts; /* 83 */ 542 /* 543 * BD Coalescing Thresholds 544 */ 545 volatile uint32_t nicEventThresholdHit; /* 84 */ 546 volatile uint32_t nicSendThresholdHit; /* 85 */ 547 volatile uint32_t nicRecvThresholdHit; /* 86 */ 548 /* 549 * DMA Attentions 550 */ 551 volatile uint32_t nicDmaRdOverrun; /* 87 */ 552 volatile uint32_t nicDmaRdUnderrun; /* 88 */ 553 volatile uint32_t nicDmaWrOverrun; /* 89 */ 554 volatile uint32_t nicDmaWrUnderrun; /* 90 */ 555 volatile uint32_t nicDmaWrMasterAborts; /* 91 */ 556 volatile uint32_t nicDmaRdMasterAborts; /* 92 */ 557 /* 558 * NIC Resources 559 */ 560 volatile uint32_t nicDmaWriteRingFull; /* 93 */ 561 volatile uint32_t nicDmaReadRingFull; /* 94 */ 562 volatile uint32_t nicEventRingFull; /* 95 */ 563 volatile uint32_t nicEventProducerRingFull; /* 96 */ 564 volatile uint32_t nicTxMacDescrRingFull; /* 97 */ 565 volatile uint32_t nicOutOfTxBufSpaceFrameRetry; /* 98 */ 566 volatile uint32_t nicNoMoreWrDMADescriptors; /* 99 */ 567 volatile uint32_t nicNoMoreRxBDs; /* 100 */ 568 volatile uint32_t nicNoSpaceInReturnRing; /* 101 */ 569 volatile uint32_t nicSendBDs; /* current count 102 */ 570 volatile uint32_t nicRecvBDs; /* current count 103 */ 571 volatile uint32_t nicJumboRecvBDs; /* current count 104 */ 572 volatile uint32_t nicMiniRecvBDs; /* current count 105 */ 573 volatile uint32_t nicTotalRecvBDs; /* current count 106 */ 574 volatile uint32_t nicTotalSendBDs; /* current count 107 */ 575 volatile uint32_t nicJumboSpillOver; /* 108 */ 576 volatile uint32_t nicSbusHangCleared; /* 109 */ 577 volatile uint32_t nicEnqEventDelayed; /* 110 */ 578 /* 579 * Stats from MAC rx completion 580 */ 581 volatile uint32_t nicMacRxLateColls; /* 111 */ 582 volatile uint32_t nicMacRxLinkLostDuringPkt; /* 112 */ 583 volatile uint32_t nicMacRxPhyDecodeErr; /* 113 */ 584 volatile uint32_t nicMacRxMacAbort; /* 114 */ 585 volatile uint32_t nicMacRxTruncNoResources; /* 115 */ 586 /* 587 * Stats from the mac_stats area 588 */ 589 volatile uint32_t nicMacRxDropUla; /* 116 */ 590 volatile uint32_t nicMacRxDropMcast; /* 117 */ 591 volatile uint32_t nicMacRxFlowControl; /* 118 */ 592 volatile uint32_t nicMacRxDropSpace; /* 119 */ 593 volatile uint32_t nicMacRxColls; /* 120 */ 594 /* 595 * MAC RX Attentions 596 */ 597 volatile uint32_t nicMacRxTotalAttns; /* 121 */ 598 volatile uint32_t nicMacRxLinkAttns; /* 122 */ 599 volatile uint32_t nicMacRxSyncAttns; /* 123 */ 600 volatile uint32_t nicMacRxConfigAttns; /* 124 */ 601 volatile uint32_t nicMacReset; /* 125 */ 602 volatile uint32_t nicMacRxBufDescrAttns; /* 126 */ 603 volatile uint32_t nicMacRxBufAttns; /* 127 */ 604 volatile uint32_t nicMacRxZeroFrameCleanup; /* 128 */ 605 volatile uint32_t nicMacRxOneFrameCleanup; /* 129 */ 606 volatile uint32_t nicMacRxMultipleFrameCleanup; /* 130 */ 607 volatile uint32_t nicMacRxTimerCleanup; /* 131 */ 608 volatile uint32_t nicMacRxDmaCleanup; /* 132 */ 609 /* 610 * Stats from the mac_stats area 611 */ 612 volatile uint32_t nicMacTxCollisionHistogram[15]; /* 133 */ 613 /* 614 * MAC TX Attentions 615 */ 616 volatile uint32_t nicMacTxTotalAttns; /* 134 */ 617 /* 618 * NIC Profile 619 */ 620 volatile uint32_t nicProfile[32]; /* 135 */ 621 /* 622 * Pat to 1024 bytes. 623 */ 624 uint32_t pad[75]; 625}; 626/* 627 * Tigon general information block. This resides in host memory 628 * and contains the status counters, ring control blocks and 629 * producer pointers. 630 */ 631 632struct ti_gib { 633 struct ti_stats ti_stats; 634 struct ti_rcb ti_ev_rcb; 635 struct ti_rcb ti_cmd_rcb; 636 struct ti_rcb ti_tx_rcb; 637 struct ti_rcb ti_std_rx_rcb; 638 struct ti_rcb ti_jumbo_rx_rcb; 639 struct ti_rcb ti_mini_rx_rcb; 640 struct ti_rcb ti_return_rcb; 641 ti_hostaddr ti_ev_prodidx_ptr; 642 ti_hostaddr ti_return_prodidx_ptr; 643 ti_hostaddr ti_tx_considx_ptr; 644 ti_hostaddr ti_refresh_stats_ptr; 645}; 646 647/* 648 * Buffer descriptor structures. There are basically three types 649 * of structures: normal receive descriptors, extended receive 650 * descriptors and transmit descriptors. The extended receive 651 * descriptors are optionally used only for the jumbo receive ring. 652 */ 653 654struct ti_rx_desc { 655 ti_hostaddr ti_addr; 656#if BYTE_ORDER == BIG_ENDIAN 657 uint16_t ti_idx; 658 uint16_t ti_len; 659#else 660 uint16_t ti_len; 661 uint16_t ti_idx; 662#endif 663#if BYTE_ORDER == BIG_ENDIAN 664 uint16_t ti_type; 665 uint16_t ti_flags; 666#else 667 uint16_t ti_flags; 668 uint16_t ti_type; 669#endif 670#if BYTE_ORDER == BIG_ENDIAN 671 uint16_t ti_ip_cksum; 672 uint16_t ti_tcp_udp_cksum; 673#else 674 uint16_t ti_tcp_udp_cksum; 675 uint16_t ti_ip_cksum; 676#endif 677#if BYTE_ORDER == BIG_ENDIAN 678 uint16_t ti_error_flags; 679 uint16_t ti_vlan_tag; 680#else 681 uint16_t ti_vlan_tag; 682 uint16_t ti_error_flags; 683#endif 684 uint32_t ti_rsvd; 685 uint32_t ti_opaque; 686}; 687 688struct ti_rx_desc_ext { 689 ti_hostaddr ti_addr1; 690 ti_hostaddr ti_addr2; 691 ti_hostaddr ti_addr3; 692#if BYTE_ORDER == BIG_ENDIAN 693 uint16_t ti_len1; 694 uint16_t ti_len2; 695#else 696 uint16_t ti_len2; 697 uint16_t ti_len1; 698#endif 699#if BYTE_ORDER == BIG_ENDIAN 700 uint16_t ti_len3; 701 uint16_t ti_rsvd0; 702#else 703 uint16_t ti_rsvd0; 704 uint16_t ti_len3; 705#endif 706 ti_hostaddr ti_addr0; 707#if BYTE_ORDER == BIG_ENDIAN 708 uint16_t ti_idx; 709 uint16_t ti_len0; 710#else 711 uint16_t ti_len0; 712 uint16_t ti_idx; 713#endif 714#if BYTE_ORDER == BIG_ENDIAN 715 uint16_t ti_type; 716 uint16_t ti_flags; 717#else 718 uint16_t ti_flags; 719 uint16_t ti_type; 720#endif 721#if BYTE_ORDER == BIG_ENDIAN 722 uint16_t ti_ip_cksum; 723 uint16_t ti_tcp_udp_cksum; 724#else 725 uint16_t ti_tcp_udp_cksum; 726 uint16_t ti_ip_cksum; 727#endif 728#if BYTE_ORDER == BIG_ENDIAN 729 uint16_t ti_error_flags; 730 uint16_t ti_vlan_tag; 731#else 732 uint16_t ti_vlan_tag; 733 uint16_t ti_error_flags; 734#endif 735 uint32_t ti_rsvd1; 736 uint32_t ti_opaque; 737}; 738 739/* 740 * Transmit descriptors are, mercifully, very small. 741 */ 742struct ti_tx_desc { 743 ti_hostaddr ti_addr; 744#if BYTE_ORDER == BIG_ENDIAN 745 uint16_t ti_len; 746 uint16_t ti_flags; 747#else 748 uint16_t ti_flags; 749 uint16_t ti_len; 750#endif 751#if BYTE_ORDER == BIG_ENDIAN 752 uint16_t ti_rsvd; 753 uint16_t ti_vlan_tag; 754#else 755 uint16_t ti_vlan_tag; 756 uint16_t ti_rsvd; 757#endif 758}; 759 760/* 761 * NOTE! On the Alpha, we have an alignment constraint. 762 * The first thing in the packet is a 14-byte Ethernet header. 763 * This means that the packet is misaligned. To compensate, 764 * we actually offset the data 2 bytes into the cluster. This 765 * aligns the packet after the Ethernet header at a 32-bit 766 * boundary. 767 */ 768 769#define TI_PAGE_SIZE PAGE_SIZE 770 771/* 772 * Buffer descriptor error flags. 773 */ 774#define TI_BDERR_CRC 0x0001 775#define TI_BDERR_COLLDETECT 0x0002 776#define TI_BDERR_LINKLOST 0x0004 777#define TI_BDERR_DECODE 0x0008 778#define TI_BDERR_ODD_NIBBLES 0x0010 779#define TI_BDERR_MAC_ABRT 0x0020 780#define TI_BDERR_RUNT 0x0040 781#define TI_BDERR_TRUNC 0x0080 782#define TI_BDERR_GIANT 0x0100 783 784/* 785 * Buffer descriptor flags. 786 */ 787#define TI_BDFLAG_TCP_UDP_CKSUM 0x0001 788#define TI_BDFLAG_IP_CKSUM 0x0002 789#define TI_BDFLAG_END 0x0004 790#define TI_BDFLAG_MORE 0x0008 791#define TI_BDFLAG_JUMBO_RING 0x0010 792#define TI_BDFLAG_UCAST_PKT 0x0020 793#define TI_BDFLAG_MCAST_PKT 0x0040 794#define TI_BDFLAG_BCAST_PKT 0x0060 795#define TI_BDFLAG_IP_FRAG 0x0080 796#define TI_BDFLAG_IP_FRAG_END 0x0100 797#define TI_BDFLAG_VLAN_TAG 0x0200 798#define TI_BDFLAG_ERROR 0x0400 799#define TI_BDFLAG_COAL_NOW 0x0800 800#define TI_BDFLAG_MINI_RING 0x1000 801 802/* 803 * Descriptor type flags. I think these only have meaning for 804 * the Tigon 1. I had to extract them from the sample driver source 805 * since they aren't in the manual. 806 */ 807#define TI_BDTYPE_TYPE_NULL 0x0000 808#define TI_BDTYPE_SEND_BD 0x0001 809#define TI_BDTYPE_RECV_BD 0x0002 810#define TI_BDTYPE_RECV_JUMBO_BD 0x0003 811#define TI_BDTYPE_RECV_BD_LAST 0x0004 812#define TI_BDTYPE_SEND_DATA 0x0005 813#define TI_BDTYPE_SEND_DATA_LAST 0x0006 814#define TI_BDTYPE_RECV_DATA 0x0007 815#define TI_BDTYPE_RECV_DATA_LAST 0x000b 816#define TI_BDTYPE_EVENT_RUPT 0x000c 817#define TI_BDTYPE_EVENT_NO_RUPT 0x000d 818#define TI_BDTYPE_ODD_START 0x000e 819#define TI_BDTYPE_UPDATE_STATS 0x000f 820#define TI_BDTYPE_SEND_DUMMY_DMA 0x0010 821#define TI_BDTYPE_EVENT_PROD 0x0011 822#define TI_BDTYPE_TX_CONS 0x0012 823#define TI_BDTYPE_RX_PROD 0x0013 824#define TI_BDTYPE_REFRESH_STATS 0x0014 825#define TI_BDTYPE_SEND_DATA_LAST_VLAN 0x0015 826#define TI_BDTYPE_SEND_DATA_COAL 0x0016 827#define TI_BDTYPE_SEND_DATA_LAST_COAL 0x0017 828#define TI_BDTYPE_SEND_DATA_LAST_VLAN_COAL 0x0018 829#define TI_BDTYPE_TX_CONS_NO_INTR 0x0019 830 831/* 832 * Tigon command structure. 833 */ 834struct ti_cmd_desc { 835 uint32_t ti_cmdx; 836}; 837 838#define TI_CMD_CMD(cmd) (((((cmd)->ti_cmdx)) >> 24) & 0xff) 839#define TI_CMD_CODE(cmd) (((((cmd)->ti_cmdx)) >> 12) & 0xfff) 840#define TI_CMD_IDX(cmd) ((((cmd)->ti_cmdx)) & 0xfff) 841 842#define TI_CMD_HOST_STATE 0x01 843#define TI_CMD_CODE_STACK_UP 0x01 844#define TI_CMD_CODE_STACK_DOWN 0x02 845 846/* 847 * This command enables software address filtering. It's a workaround 848 * for a bug in the Tigon 1 and not implemented for the Tigon 2. 849 */ 850#define TI_CMD_FDR_FILTERING 0x02 851#define TI_CMD_CODE_FILT_ENB 0x01 852#define TI_CMD_CODE_FILT_DIS 0x02 853 854#define TI_CMD_SET_RX_PROD_IDX 0x03 /* obsolete */ 855#define TI_CMD_UPDATE_GENCOM 0x04 856#define TI_CMD_RESET_JUMBO_RING 0x05 857#define TI_CMD_SET_PARTIAL_RX_CNT 0x06 858#define TI_CMD_ADD_MCAST_ADDR 0x08 /* obsolete */ 859#define TI_CMD_DEL_MCAST_ADDR 0x09 /* obsolete */ 860 861#define TI_CMD_SET_PROMISC_MODE 0x0A 862#define TI_CMD_CODE_PROMISC_ENB 0x01 863#define TI_CMD_CODE_PROMISC_DIS 0x02 864 865#define TI_CMD_LINK_NEGOTIATION 0x0B 866#define TI_CMD_CODE_NEGOTIATE_BOTH 0x00 867#define TI_CMD_CODE_NEGOTIATE_GIGABIT 0x01 868#define TI_CMD_CODE_NEGOTIATE_10_100 0x02 869 870#define TI_CMD_SET_MAC_ADDR 0x0C 871#define TI_CMD_CLR_PROFILE 0x0D 872 873#define TI_CMD_SET_ALLMULTI 0x0E 874#define TI_CMD_CODE_ALLMULTI_ENB 0x01 875#define TI_CMD_CODE_ALLMULTI_DIS 0x02 876 877#define TI_CMD_CLR_STATS 0x0F 878#define TI_CMD_SET_RX_JUMBO_PROD_IDX 0x10 /* obsolete */ 879#define TI_CMD_RFRSH_STATS 0x11 880 881#define TI_CMD_EXT_ADD_MCAST 0x12 882#define TI_CMD_EXT_DEL_MCAST 0x13 883 884/* 885 * Utility macros to make issuing commands a little simpler. Assumes 886 * that 'sc' and 'cmd' are in local scope. 887 */ 888#define TI_DO_CMD(x, y, z) do { \ 889 cmd.ti_cmdx = (((x) << 24) | ((y) << 12) | ((z))); \ 890 ti_cmd(sc, &cmd); \ 891} while(0) 892 893#define TI_DO_CMD_EXT(x, y, z, v, w) do { \ 894 cmd.ti_cmdx = (((x) << 24) | ((y) << 12) | ((z))); \ 895 ti_cmd_ext(sc, &cmd, (v), (w)); \ 896} while(0) 897 898/* 899 * Other utility macros. 900 */ 901#define TI_INC(x, y) do { (x) = ((x) + 1) % (y); } while(0) 902 903#define TI_UPDATE_JUMBOPROD(x, y) do { \ 904 if ((x)->ti_hwrev == TI_HWREV_TIGON) \ 905 TI_DO_CMD(TI_CMD_SET_RX_JUMBO_PROD_IDX, 0, y); \ 906 else \ 907 CSR_WRITE_4(x, TI_MB_JUMBORXPROD_IDX, y); \ 908} while(0) 909 910#define TI_UPDATE_MINIPROD(x, y) \ 911 CSR_WRITE_4(x, TI_MB_MINIRXPROD_IDX, y) 912 913#define TI_UPDATE_STDPROD(x, y) do { \ 914 if ((x)->ti_hwrev == TI_HWREV_TIGON) \ 915 TI_DO_CMD(TI_CMD_SET_RX_PROD_IDX, 0, y); \ 916 else \ 917 CSR_WRITE_4(x, TI_MB_STDRXPROD_IDX, y); \ 918} while(0) 919 920 921/* 922 * Tigon event structure. 923 */ 924struct ti_event_desc { 925 uint32_t ti_eventx; 926 uint32_t ti_rsvd; 927}; 928 929#define TI_EVENT_EVENT(e) (((((e)->ti_eventx)) >> 24) & 0xff) 930#define TI_EVENT_CODE(e) (((((e)->ti_eventx)) >> 12) & 0xfff) 931#define TI_EVENT_IDX(e) (((((e)->ti_eventx))) & 0xfff) 932 933/* 934 * Tigon events. 935 */ 936#define TI_EV_FIRMWARE_UP 0x01 937#define TI_EV_STATS_UPDATED 0x04 938 939#define TI_EV_LINKSTAT_CHANGED 0x06 940#define TI_EV_CODE_GIG_LINK_UP 0x01 941#define TI_EV_CODE_LINK_DOWN 0x02 942#define TI_EV_CODE_LINK_UP 0x03 943 944#define TI_EV_ERROR 0x07 945#define TI_EV_CODE_ERR_INVAL_CMD 0x01 946#define TI_EV_CODE_ERR_UNIMP_CMD 0x02 947#define TI_EV_CODE_ERR_BADCFG 0x03 948 949#define TI_EV_MCAST_UPDATED 0x08 950#define TI_EV_CODE_MCAST_ADD 0x01 951#define TI_EV_CODE_MCAST_DEL 0x02 952 953#define TI_EV_RESET_JUMBO_RING 0x09 954/* 955 * Register access macros. The Tigon always uses memory mapped register 956 * accesses and all registers must be accessed with 32 bit operations. 957 * The Tigon can operate in big-endian mode, so we always write to the 958 * registers in native byte order. We assume that all big-endian hosts 959 * with a PCI bus have __BUS_SPACE_HAS_STREAM_METHODS defined. 960 */ 961 962#ifdef __BUS_SPACE_HAS_STREAM_METHODS 963#define CSR_WRITE_4(sc, reg, val) \ 964 bus_space_write_stream_4((sc)->ti_btag, (sc)->ti_bhandle, reg, val) 965 966#define CSR_READ_4(sc, reg) \ 967 bus_space_read_stream_4((sc)->ti_btag, (sc)->ti_bhandle, reg) 968#else 969#define CSR_WRITE_4(sc, reg, val) \ 970 bus_space_write_4((sc)->ti_btag, (sc)->ti_bhandle, reg, val) 971 972#define CSR_READ_4(sc, reg) \ 973 bus_space_read_4((sc)->ti_btag, (sc)->ti_bhandle, reg) 974#endif 975 976#define TI_SETBIT(sc, reg, x) \ 977 CSR_WRITE_4(sc, reg, (CSR_READ_4(sc, reg) | (x))) 978#define TI_CLRBIT(sc, reg, x) \ 979 CSR_WRITE_4(sc, reg, (CSR_READ_4(sc, reg) & ~(x))) 980 981/* 982 * Memory management stuff. Note: the SSLOTS, MSLOTS and JSLOTS 983 * values are tuneable. They control the actual amount of buffers 984 * allocated for the standard, mini and jumbo receive rings. 985 */ 986 987#ifndef TI_SSLOTS 988#define TI_SSLOTS 256 989#endif 990#ifndef TI_MSLOTS 991#define TI_MSLOTS 256 992#endif 993#ifndef TI_JSLOTS 994#define TI_JSLOTS 384 995#endif 996#define TI_RSLOTS 128 997 998#define TI_JRAWLEN (ETHER_MAX_LEN_JUMBO + ETHER_ALIGN + sizeof(uint64_t)) 999#define TI_JLEN (TI_JRAWLEN + (sizeof(uint64_t) - \ 1000 (TI_JRAWLEN % sizeof(uint64_t)))) 1001#define TI_JPAGESZ PAGE_SIZE 1002#define TI_RESID (TI_JPAGESZ - (TI_JLEN * TI_JSLOTS) % TI_JPAGESZ) 1003#define TI_JMEM ((TI_JLEN * TI_JSLOTS) + TI_RESID) 1004 1005/* 1006 * Ring structures. Most of these reside in host memory and we tell 1007 * the NIC where they are via the ring control blocks. The exceptions 1008 * are the tx and command rings, which live in NIC memory and which 1009 * we access via the shared memory window. 1010 */ 1011struct ti_ring_data { 1012 struct ti_rx_desc ti_rx_std_ring[TI_STD_RX_RING_CNT]; 1013 struct ti_rx_desc ti_rx_jumbo_ring[TI_JUMBO_RX_RING_CNT]; 1014 struct ti_rx_desc ti_rx_mini_ring[TI_MINI_RX_RING_CNT]; 1015 struct ti_rx_desc ti_rx_return_ring[TI_RETURN_RING_CNT]; 1016 struct ti_event_desc ti_event_ring[TI_EVENT_RING_CNT]; 1017 struct ti_tx_desc ti_tx_ring[TI_TX_RING_CNT]; 1018 /* 1019 * Make sure producer structures are aligned on 32-byte cache 1020 * line boundaries. 1021 */ 1022 struct ti_producer ti_ev_prodidx_r; 1023 uint32_t ti_pad0[6]; 1024 struct ti_producer ti_return_prodidx_r; 1025 uint32_t ti_pad1[6]; 1026 struct ti_producer ti_tx_considx_r; 1027 uint32_t ti_pad2[6]; 1028 struct ti_gib ti_info; 1029}; 1030 1031#define TI_CDOFF(x) offsetof(struct ti_ring_data, x) 1032#define TI_CDRXSTDOFF(x) TI_CDOFF(ti_rx_std_ring[(x)]) 1033#define TI_CDRXJUMBOOFF(x) TI_CDOFF(ti_rx_jumbo_ring[(x)]) 1034#define TI_CDRXMINIOFF(x) TI_CDOFF(ti_rx_mini_ring[(x)]) 1035#define TI_CDRXRTNOFF(x) TI_CDOFF(ti_rx_return_ring[(x)]) 1036#define TI_CDEVENTOFF(x) TI_CDOFF(ti_event_ring[(x)]) 1037#define TI_CDTXOFF(x) TI_CDOFF(ti_tx_ring[(x)]) 1038#define TI_CDEVPRODOFF TI_CDOFF(ti_ev_prodidx_r) 1039#define TI_CDRTNPRODOFF TI_CDOFF(ti_return_prodidx_r) 1040#define TI_CDTXCONSOFF TI_CDOFF(ti_tx_considx_r) 1041#define TI_CDGIBOFF TI_CDOFF(ti_info) 1042#define TI_CDSTATSOFF TI_CDOFF(ti_info.ti_stats) 1043 1044/* 1045 * Mbuf pointers. We need these to keep track of the virtual addresses 1046 * of our mbuf chains since we can only convert from physical to virtual, 1047 * not the other way around. 1048 */ 1049struct ti_chain_data { 1050 struct mbuf *ti_tx_chain[TI_TX_RING_CNT]; 1051 struct mbuf *ti_rx_std_chain[TI_STD_RX_RING_CNT]; 1052 struct mbuf *ti_rx_jumbo_chain[TI_JUMBO_RX_RING_CNT]; 1053 struct mbuf *ti_rx_mini_chain[TI_MINI_RX_RING_CNT]; 1054 /* Stick the jumbo mem management stuff here too. */ 1055 void * ti_jslots[TI_JSLOTS]; 1056 void *ti_jumbo_buf; 1057}; 1058 1059struct ti_type { 1060 uint16_t ti_vid; 1061 uint16_t ti_did; 1062 const char *ti_name; 1063}; 1064 1065#define TI_HWREV_TIGON 0x01 1066#define TI_HWREV_TIGON_II 0x02 1067#define TI_TIMEOUT 1000 1068#define TI_TXCONS_UNSET 0xFFFF /* impossible value */ 1069 1070struct ti_mc_entry { 1071 struct ether_addr mc_addr; 1072 SIMPLEQ_ENTRY(ti_mc_entry) mc_entries; 1073}; 1074 1075struct ti_jpool_entry { 1076 int slot; 1077 SIMPLEQ_ENTRY(ti_jpool_entry) jpool_entries; 1078}; 1079 1080struct txdmamap_pool_entry { 1081 bus_dmamap_t dmamap; 1082 SIMPLEQ_ENTRY(txdmamap_pool_entry) link; 1083}; 1084 1085struct ti_softc { 1086 device_t sc_dev; 1087 struct ethercom ethercom; /* interface info */ 1088 bus_space_handle_t ti_bhandle; 1089 char *ti_vhandle; 1090 bus_space_tag_t ti_btag; 1091 void *ti_intrhand; 1092 1093 struct ifmedia ifmedia; /* media info */ 1094 1095 uint8_t ti_hwrev; /* Tigon rev (1 or 2) */ 1096 uint8_t ti_copper; /* 1000baseT card */ 1097 uint8_t ti_linkstat; /* Link state */ 1098 struct ti_ring_data *ti_rdata; /* rings */ 1099#define ti_ev_prodidx ti_rdata->ti_ev_prodidx_r 1100#define ti_return_prodidx ti_rdata->ti_return_prodidx_r 1101#define ti_tx_considx ti_rdata->ti_tx_considx_r 1102 1103 struct ti_tx_desc *ti_tx_ring_nic;/* pointer to shared mem */ 1104 1105 struct ti_chain_data ti_cdata; /* mbufs */ 1106 1107 uint64_t ti_if_collisions; 1108 1109 /* 1110 * Function pointers to deal with Tigon 1 vs. Tigon 2 differences. 1111 */ 1112 int (*sc_tx_encap)(struct ti_softc *, 1113 struct mbuf *, uint32_t *); 1114 void (*sc_tx_eof)(struct ti_softc *); 1115 1116 uint16_t ti_tx_saved_considx; 1117 uint16_t ti_rx_saved_considx; 1118 uint16_t ti_ev_saved_considx; 1119 uint16_t ti_cmd_saved_prodidx; 1120 uint16_t ti_std; /* current std ring head */ 1121 uint16_t ti_mini; /* current mini ring head */ 1122 uint16_t ti_jumbo; /* current jumbo ring head */ 1123 SIMPLEQ_HEAD(, ti_mc_entry) ti_mc_listhead; 1124 SIMPLEQ_HEAD(, ti_jpool_entry) ti_jfree_listhead; 1125 SIMPLEQ_HEAD(, ti_jpool_entry) ti_jinuse_listhead; 1126 uint32_t ti_stat_ticks; 1127 uint32_t ti_rx_coal_ticks; 1128 uint32_t ti_tx_coal_ticks; 1129 uint32_t ti_rx_max_coal_bds; 1130 uint32_t ti_tx_max_coal_bds; 1131 uint32_t ti_tx_buf_ratio; 1132 u_short ti_if_flags; 1133 int ti_txcnt; 1134 void *sc_ih; 1135 bus_dma_tag_t sc_dmat; 1136 bus_dmamap_t info_dmamap; /* holds ti_rdata */ 1137 uint32_t info_dmaaddr; /* XXX 64-bit PCI addresses? */ 1138 bus_dmamap_t jumbo_dmamap; 1139 uint32_t jumbo_dmaaddr; /* XXX 64-bit PCI addresses? */ 1140 bus_dmamap_t mini_dmamap[TI_MINI_RX_RING_CNT]; 1141 bus_dmamap_t std_dmamap[TI_STD_RX_RING_CNT]; 1142 SIMPLEQ_HEAD(, txdmamap_pool_entry) txdma_list; 1143 struct txdmamap_pool_entry *txdma[TI_TX_RING_CNT]; 1144}; 1145 1146#define TI_CDRXSTDADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXSTDOFF((x))) 1147#define TI_CDRXJUMBOADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXJUMBOOFF((x))) 1148#define TI_CDRXMINIADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXMINIOFF((x))) 1149#define TI_CDRXRTNADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXRTNOFF((x))) 1150#define TI_CDEVENTADDR(sc, x) ((sc)->info_dmaaddr + TI_CDEVENTOFF((x))) 1151#define TI_CDTXADDR(sc, x) ((sc)->info_dmaaddr + TI_CDTXOFF((x))) 1152#define TI_CDEVPRODADDR(sc) ((sc)->info_dmaaddr + TI_CDEVPRODOFF) 1153#define TI_CDRTNPRODADDR(sc) ((sc)->info_dmaaddr + TI_CDRTNPRODOFF) 1154#define TI_CDTXCONSADDR(sc) ((sc)->info_dmaaddr + TI_CDTXCONSOFF) 1155#define TI_CDGIBADDR(sc) ((sc)->info_dmaaddr + TI_CDGIBOFF) 1156#define TI_CDSTATSADDR(sc) ((sc)->info_dmaaddr + TI_CDSTATSOFF) 1157 1158#define TI_CDRXSTDSYNC(sc, x, ops) \ 1159 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1160 TI_CDRXSTDOFF((x)), sizeof(struct ti_rx_desc), (ops)) 1161 1162#define TI_CDRXJUMBOSYNC(sc, x, ops) \ 1163 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1164 TI_CDRXJUMBOOFF((x)), sizeof(struct ti_rx_desc), (ops)) 1165 1166#define TI_CDRXMINISYNC(sc, x, ops) \ 1167 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1168 TI_CDRXMINIOFF((x)), sizeof(struct ti_rx_desc), (ops)) 1169 1170#define TI_CDRXRTNSYNC(sc, x, ops) \ 1171 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1172 TI_CDRXRTNOFF((x)), sizeof(struct ti_rx_desc), (ops)) 1173 1174#define TI_CDEVENTSYNC(sc, x, ops) \ 1175 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1176 TI_CDEVENTOFF((x)), sizeof(struct ti_event_desc), (ops)) 1177 1178#define TI_CDTXSYNC(sc, x, n, ops) \ 1179do { \ 1180 int __x, __n; \ 1181 \ 1182 __x = (x); \ 1183 __n = (n); \ 1184 \ 1185 /* If it will wrap around, sync to the end of the ring. */ \ 1186 if ((__x + __n) > TI_TX_RING_CNT) { \ 1187 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1188 TI_CDTXOFF(__x), sizeof(struct ti_tx_desc) * \ 1189 (TI_TX_RING_CNT - __x), (ops)); \ 1190 __n -= (TI_TX_RING_CNT - __x); \ 1191 __x = 0; \ 1192 } \ 1193 \ 1194 /* Now sync whatever is left. */ \ 1195 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1196 TI_CDTXOFF(__x), sizeof(struct ti_tx_desc) * (__n), (ops)); \ 1197} while (/*CONSTCOND*/0) 1198 1199#define TI_CEVPRODSYNC(sc, ops) \ 1200 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1201 TI_CDEVPRODOFF, sizeof(struct ti_producer), (ops)) 1202 1203#define TI_CDRTNPRODSYNC(sc, ops) \ 1204 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1205 TI_CDRTNPRODOFF, sizeof(struct ti_producer), (ops)) 1206 1207#define TI_CDTXCONSSYNC(sc, ops) \ 1208 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1209 TI_CDTXCONSOFF, sizeof(struct ti_producer), (ops)) 1210 1211#define TI_CDGIBSYNC(sc, ops) \ 1212 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1213 TI_CDGIBOFF, sizeof(struct ti_gib), (ops)) 1214 1215#define TI_CDSTATSSYNC(sc, ops) \ 1216 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1217 TI_CDSTATSOFF, sizeof(struct ti_stats), (ops)) 1218 1219/* 1220 * Microchip Technology 24Cxx EEPROM control bytes 1221 */ 1222#define EEPROM_CTL_READ 0xA1 /* 0101 0001 */ 1223#define EEPROM_CTL_WRITE 0xA0 /* 0101 0000 */ 1224 1225/* 1226 * Note that EEPROM_START leaves transmission enabled. 1227 */ 1228#define EEPROM_START() do { \ 1229 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock pin high */\ 1230 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Set DATA bit to 1 */ \ 1231 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Enable xmit to write bit */\ 1232 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Pull DATA bit to 0 again */\ 1233 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock low again */ \ 1234} while(0) 1235 1236/* 1237 * EEPROM_STOP ends access to the EEPROM and clears the ETXEN bit so 1238 * that no further data can be written to the EEPROM I/O pin. 1239 */ 1240#define EEPROM_STOP() do { \ 1241 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Disable xmit */ \ 1242 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Pull DATA to 0 */ \ 1243 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock high */ \ 1244 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Enable xmit */ \ 1245 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Toggle DATA to 1 */ \ 1246 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Disable xmit. */ \ 1247 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock low again */ \ 1248} while(0) 1249