1 /* $NetBSD: if_tireg.h,v 1.11 2001/06/30 17:53:59 bjh21 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 reegisters 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 * Miscelaneous 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 implimented */ 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 implimented */ 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__ 381 typedef struct { 382 u_int64_t ti_addr; 383 } ti_hostaddr; 384 #define TI_HOSTADDR(x) x.ti_addr 385 #else 386 typedef struct { 387 u_int32_t ti_addr_hi; 388 u_int32_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 */ 413 struct ti_rcb { 414 ti_hostaddr ti_hostaddr; 415 #if BYTE_ORDER == BIG_ENDIAN 416 u_int16_t ti_max_len; 417 u_int16_t ti_flags; 418 #else 419 u_int16_t ti_flags; 420 u_int16_t ti_max_len; 421 #endif 422 u_int32_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 434 435 struct ti_producer { 436 u_int32_t ti_idx; 437 u_int32_t ti_unused; 438 }; 439 440 /* 441 * Tigon statistics counters. 442 */ 443 struct ti_stats { 444 /* 445 * MAC stats, taken from RFC 1643, ethernet-like MIB 446 */ 447 volatile u_int32_t dot3StatsAlignmentErrors; /* 0 */ 448 volatile u_int32_t dot3StatsFCSErrors; /* 1 */ 449 volatile u_int32_t dot3StatsSingleCollisionFrames; /* 2 */ 450 volatile u_int32_t dot3StatsMultipleCollisionFrames; /* 3 */ 451 volatile u_int32_t dot3StatsSQETestErrors; /* 4 */ 452 volatile u_int32_t dot3StatsDeferredTransmissions; /* 5 */ 453 volatile u_int32_t dot3StatsLateCollisions; /* 6 */ 454 volatile u_int32_t dot3StatsExcessiveCollisions; /* 7 */ 455 volatile u_int32_t dot3StatsInternalMacTransmitErrors; /* 8 */ 456 volatile u_int32_t dot3StatsCarrierSenseErrors; /* 9 */ 457 volatile u_int32_t dot3StatsFrameTooLongs; /* 10 */ 458 volatile u_int32_t dot3StatsInternalMacReceiveErrors; /* 11 */ 459 /* 460 * interface stats, taken from RFC 1213, MIB-II, interfaces group 461 */ 462 volatile u_int32_t ifIndex; /* 12 */ 463 volatile u_int32_t ifType; /* 13 */ 464 volatile u_int32_t ifMtu; /* 14 */ 465 volatile u_int32_t ifSpeed; /* 15 */ 466 volatile u_int32_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 u_int32_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 u_int32_t ifLastChange; /* 18 */ 477 volatile u_int32_t ifInDiscards; /* 19 */ 478 volatile u_int32_t ifInErrors; /* 20 */ 479 volatile u_int32_t ifInUnknownProtos; /* 21 */ 480 volatile u_int32_t ifOutDiscards; /* 22 */ 481 volatile u_int32_t ifOutErrors; /* 23 */ 482 volatile u_int32_t ifOutQLen; /* deprecated */ /* 24 */ 483 volatile u_int8_t ifPhysAddress[8]; /* 8 bytes */ /* 25 - 26 */ 484 volatile u_int8_t ifDescr[32]; /* 27 - 34 */ 485 u_int32_t alignIt; /* align to 64 bit for u_int64_ts following */ 486 /* 487 * more interface stats, taken from RFC 1573, MIB-IIupdate, 488 * interfaces group 489 */ 490 volatile u_int64_t ifHCInOctets; /* 36 - 37 */ 491 volatile u_int64_t ifHCInUcastPkts; /* 38 - 39 */ 492 volatile u_int64_t ifHCInMulticastPkts; /* 40 - 41 */ 493 volatile u_int64_t ifHCInBroadcastPkts; /* 42 - 43 */ 494 volatile u_int64_t ifHCOutOctets; /* 44 - 45 */ 495 volatile u_int64_t ifHCOutUcastPkts; /* 46 - 47 */ 496 volatile u_int64_t ifHCOutMulticastPkts; /* 48 - 49 */ 497 volatile u_int64_t ifHCOutBroadcastPkts; /* 50 - 51 */ 498 volatile u_int32_t ifLinkUpDownTrapEnable; /* 52 */ 499 volatile u_int32_t ifHighSpeed; /* 53 */ 500 volatile u_int32_t ifPromiscuousMode; /* 54 */ 501 volatile u_int32_t ifConnectorPresent; /* follow link state 55 */ 502 /* 503 * Host Commands 504 */ 505 volatile u_int32_t nicCmdsHostState; /* 56 */ 506 volatile u_int32_t nicCmdsFDRFiltering; /* 57 */ 507 volatile u_int32_t nicCmdsSetRecvProdIndex; /* 58 */ 508 volatile u_int32_t nicCmdsUpdateGencommStats; /* 59 */ 509 volatile u_int32_t nicCmdsResetJumboRing; /* 60 */ 510 volatile u_int32_t nicCmdsAddMCastAddr; /* 61 */ 511 volatile u_int32_t nicCmdsDelMCastAddr; /* 62 */ 512 volatile u_int32_t nicCmdsSetPromiscMode; /* 63 */ 513 volatile u_int32_t nicCmdsLinkNegotiate; /* 64 */ 514 volatile u_int32_t nicCmdsSetMACAddr; /* 65 */ 515 volatile u_int32_t nicCmdsClearProfile; /* 66 */ 516 volatile u_int32_t nicCmdsSetMulticastMode; /* 67 */ 517 volatile u_int32_t nicCmdsClearStats; /* 68 */ 518 volatile u_int32_t nicCmdsSetRecvJumboProdIndex; /* 69 */ 519 volatile u_int32_t nicCmdsSetRecvMiniProdIndex; /* 70 */ 520 volatile u_int32_t nicCmdsRefreshStats; /* 71 */ 521 volatile u_int32_t nicCmdsUnknown; /* 72 */ 522 /* 523 * NIC Events 524 */ 525 volatile u_int32_t nicEventsNICFirmwareOperational; /* 73 */ 526 volatile u_int32_t nicEventsStatsUpdated; /* 74 */ 527 volatile u_int32_t nicEventsLinkStateChanged; /* 75 */ 528 volatile u_int32_t nicEventsError; /* 76 */ 529 volatile u_int32_t nicEventsMCastListUpdated; /* 77 */ 530 volatile u_int32_t nicEventsResetJumboRing; /* 78 */ 531 /* 532 * Ring manipulation 533 */ 534 volatile u_int32_t nicRingSetSendProdIndex; /* 79 */ 535 volatile u_int32_t nicRingSetSendConsIndex; /* 80 */ 536 volatile u_int32_t nicRingSetRecvReturnProdIndex; /* 81 */ 537 /* 538 * Interrupts 539 */ 540 volatile u_int32_t nicInterrupts; /* 82 */ 541 volatile u_int32_t nicAvoidedInterrupts; /* 83 */ 542 /* 543 * BD Coalessing Thresholds 544 */ 545 volatile u_int32_t nicEventThresholdHit; /* 84 */ 546 volatile u_int32_t nicSendThresholdHit; /* 85 */ 547 volatile u_int32_t nicRecvThresholdHit; /* 86 */ 548 /* 549 * DMA Attentions 550 */ 551 volatile u_int32_t nicDmaRdOverrun; /* 87 */ 552 volatile u_int32_t nicDmaRdUnderrun; /* 88 */ 553 volatile u_int32_t nicDmaWrOverrun; /* 89 */ 554 volatile u_int32_t nicDmaWrUnderrun; /* 90 */ 555 volatile u_int32_t nicDmaWrMasterAborts; /* 91 */ 556 volatile u_int32_t nicDmaRdMasterAborts; /* 92 */ 557 /* 558 * NIC Resources 559 */ 560 volatile u_int32_t nicDmaWriteRingFull; /* 93 */ 561 volatile u_int32_t nicDmaReadRingFull; /* 94 */ 562 volatile u_int32_t nicEventRingFull; /* 95 */ 563 volatile u_int32_t nicEventProducerRingFull; /* 96 */ 564 volatile u_int32_t nicTxMacDescrRingFull; /* 97 */ 565 volatile u_int32_t nicOutOfTxBufSpaceFrameRetry; /* 98 */ 566 volatile u_int32_t nicNoMoreWrDMADescriptors; /* 99 */ 567 volatile u_int32_t nicNoMoreRxBDs; /* 100 */ 568 volatile u_int32_t nicNoSpaceInReturnRing; /* 101 */ 569 volatile u_int32_t nicSendBDs; /* current count 102 */ 570 volatile u_int32_t nicRecvBDs; /* current count 103 */ 571 volatile u_int32_t nicJumboRecvBDs; /* current count 104 */ 572 volatile u_int32_t nicMiniRecvBDs; /* current count 105 */ 573 volatile u_int32_t nicTotalRecvBDs; /* current count 106 */ 574 volatile u_int32_t nicTotalSendBDs; /* current count 107 */ 575 volatile u_int32_t nicJumboSpillOver; /* 108 */ 576 volatile u_int32_t nicSbusHangCleared; /* 109 */ 577 volatile u_int32_t nicEnqEventDelayed; /* 110 */ 578 /* 579 * Stats from MAC rx completion 580 */ 581 volatile u_int32_t nicMacRxLateColls; /* 111 */ 582 volatile u_int32_t nicMacRxLinkLostDuringPkt; /* 112 */ 583 volatile u_int32_t nicMacRxPhyDecodeErr; /* 113 */ 584 volatile u_int32_t nicMacRxMacAbort; /* 114 */ 585 volatile u_int32_t nicMacRxTruncNoResources; /* 115 */ 586 /* 587 * Stats from the mac_stats area 588 */ 589 volatile u_int32_t nicMacRxDropUla; /* 116 */ 590 volatile u_int32_t nicMacRxDropMcast; /* 117 */ 591 volatile u_int32_t nicMacRxFlowControl; /* 118 */ 592 volatile u_int32_t nicMacRxDropSpace; /* 119 */ 593 volatile u_int32_t nicMacRxColls; /* 120 */ 594 /* 595 * MAC RX Attentions 596 */ 597 volatile u_int32_t nicMacRxTotalAttns; /* 121 */ 598 volatile u_int32_t nicMacRxLinkAttns; /* 122 */ 599 volatile u_int32_t nicMacRxSyncAttns; /* 123 */ 600 volatile u_int32_t nicMacRxConfigAttns; /* 124 */ 601 volatile u_int32_t nicMacReset; /* 125 */ 602 volatile u_int32_t nicMacRxBufDescrAttns; /* 126 */ 603 volatile u_int32_t nicMacRxBufAttns; /* 127 */ 604 volatile u_int32_t nicMacRxZeroFrameCleanup; /* 128 */ 605 volatile u_int32_t nicMacRxOneFrameCleanup; /* 129 */ 606 volatile u_int32_t nicMacRxMultipleFrameCleanup; /* 130 */ 607 volatile u_int32_t nicMacRxTimerCleanup; /* 131 */ 608 volatile u_int32_t nicMacRxDmaCleanup; /* 132 */ 609 /* 610 * Stats from the mac_stats area 611 */ 612 volatile u_int32_t nicMacTxCollisionHistogram[15]; /* 133 */ 613 /* 614 * MAC TX Attentions 615 */ 616 volatile u_int32_t nicMacTxTotalAttns; /* 134 */ 617 /* 618 * NIC Profile 619 */ 620 volatile u_int32_t nicProfile[32]; /* 135 */ 621 /* 622 * Pat to 1024 bytes. 623 */ 624 u_int32_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 */ 631 632 struct 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 */ 653 654 struct ti_rx_desc { 655 ti_hostaddr ti_addr; 656 #if BYTE_ORDER == BIG_ENDIAN 657 u_int16_t ti_idx; 658 u_int16_t ti_len; 659 #else 660 u_int16_t ti_len; 661 u_int16_t ti_idx; 662 #endif 663 #if BYTE_ORDER == BIG_ENDIAN 664 u_int16_t ti_type; 665 u_int16_t ti_flags; 666 #else 667 u_int16_t ti_flags; 668 u_int16_t ti_type; 669 #endif 670 #if BYTE_ORDER == BIG_ENDIAN 671 u_int16_t ti_ip_cksum; 672 u_int16_t ti_tcp_udp_cksum; 673 #else 674 u_int16_t ti_tcp_udp_cksum; 675 u_int16_t ti_ip_cksum; 676 #endif 677 #if BYTE_ORDER == BIG_ENDIAN 678 u_int16_t ti_error_flags; 679 u_int16_t ti_vlan_tag; 680 #else 681 u_int16_t ti_vlan_tag; 682 u_int16_t ti_error_flags; 683 #endif 684 u_int32_t ti_rsvd; 685 u_int32_t ti_opaque; 686 }; 687 688 struct 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 u_int16_t ti_len1; 694 u_int16_t ti_len2; 695 #else 696 u_int16_t ti_len2; 697 u_int16_t ti_len1; 698 #endif 699 #if BYTE_ORDER == BIG_ENDIAN 700 u_int16_t ti_len3; 701 u_int16_t ti_rsvd0; 702 #else 703 u_int16_t ti_rsvd0; 704 u_int16_t ti_len3; 705 #endif 706 ti_hostaddr ti_addr0; 707 #if BYTE_ORDER == BIG_ENDIAN 708 u_int16_t ti_idx; 709 u_int16_t ti_len0; 710 #else 711 u_int16_t ti_len0; 712 u_int16_t ti_idx; 713 #endif 714 #if BYTE_ORDER == BIG_ENDIAN 715 u_int16_t ti_type; 716 u_int16_t ti_flags; 717 #else 718 u_int16_t ti_flags; 719 u_int16_t ti_type; 720 #endif 721 #if BYTE_ORDER == BIG_ENDIAN 722 u_int16_t ti_ip_cksum; 723 u_int16_t ti_tcp_udp_cksum; 724 #else 725 u_int16_t ti_tcp_udp_cksum; 726 u_int16_t ti_ip_cksum; 727 #endif 728 #if BYTE_ORDER == BIG_ENDIAN 729 u_int16_t ti_error_flags; 730 u_int16_t ti_vlan_tag; 731 #else 732 u_int16_t ti_vlan_tag; 733 u_int16_t ti_error_flags; 734 #endif 735 u_int32_t ti_rsvd1; 736 u_int32_t ti_opaque; 737 }; 738 739 /* 740 * Transmit descriptors are, mercifully, very small. 741 */ 742 struct ti_tx_desc { 743 ti_hostaddr ti_addr; 744 #if BYTE_ORDER == BIG_ENDIAN 745 u_int16_t ti_len; 746 u_int16_t ti_flags; 747 #else 748 u_int16_t ti_flags; 749 u_int16_t ti_len; 750 #endif 751 #if BYTE_ORDER == BIG_ENDIAN 752 u_int16_t ti_rsvd; 753 u_int16_t ti_vlan_tag; 754 #else 755 u_int16_t ti_vlan_tag; 756 u_int16_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 * alignes the packet after the Ethernet header at a 32-bit 766 * boundary. 767 */ 768 769 #define ETHER_ALIGN 2 770 771 #define TI_PAGE_SIZE PAGE_SIZE 772 773 /* 774 * Buffer descriptor error flags. 775 */ 776 #define TI_BDERR_CRC 0x0001 777 #define TI_BDERR_COLLDETECT 0x0002 778 #define TI_BDERR_LINKLOST 0x0004 779 #define TI_BDERR_DECODE 0x0008 780 #define TI_BDERR_ODD_NIBBLES 0x0010 781 #define TI_BDERR_MAC_ABRT 0x0020 782 #define TI_BDERR_RUNT 0x0040 783 #define TI_BDERR_TRUNC 0x0080 784 #define TI_BDERR_GIANT 0x0100 785 786 /* 787 * Buffer descriptor flags. 788 */ 789 #define TI_BDFLAG_TCP_UDP_CKSUM 0x0001 790 #define TI_BDFLAG_IP_CKSUM 0x0002 791 #define TI_BDFLAG_END 0x0004 792 #define TI_BDFLAG_MORE 0x0008 793 #define TI_BDFLAG_JUMBO_RING 0x0010 794 #define TI_BDFLAG_UCAST_PKT 0x0020 795 #define TI_BDFLAG_MCAST_PKT 0x0040 796 #define TI_BDFLAG_BCAST_PKT 0x0060 797 #define TI_BDFLAG_IP_FRAG 0x0080 798 #define TI_BDFLAG_IP_FRAG_END 0x0100 799 #define TI_BDFLAG_VLAN_TAG 0x0200 800 #define TI_BDFLAG_ERROR 0x0400 801 #define TI_BDFLAG_COAL_NOW 0x0800 802 #define TI_BDFLAG_MINI_RING 0x1000 803 804 /* 805 * Descriptor type flags. I think these only have meaning for 806 * the Tigon 1. I had to extract them from the sample driver source 807 * since they aren't in the manual. 808 */ 809 #define TI_BDTYPE_TYPE_NULL 0x0000 810 #define TI_BDTYPE_SEND_BD 0x0001 811 #define TI_BDTYPE_RECV_BD 0x0002 812 #define TI_BDTYPE_RECV_JUMBO_BD 0x0003 813 #define TI_BDTYPE_RECV_BD_LAST 0x0004 814 #define TI_BDTYPE_SEND_DATA 0x0005 815 #define TI_BDTYPE_SEND_DATA_LAST 0x0006 816 #define TI_BDTYPE_RECV_DATA 0x0007 817 #define TI_BDTYPE_RECV_DATA_LAST 0x000b 818 #define TI_BDTYPE_EVENT_RUPT 0x000c 819 #define TI_BDTYPE_EVENT_NO_RUPT 0x000d 820 #define TI_BDTYPE_ODD_START 0x000e 821 #define TI_BDTYPE_UPDATE_STATS 0x000f 822 #define TI_BDTYPE_SEND_DUMMY_DMA 0x0010 823 #define TI_BDTYPE_EVENT_PROD 0x0011 824 #define TI_BDTYPE_TX_CONS 0x0012 825 #define TI_BDTYPE_RX_PROD 0x0013 826 #define TI_BDTYPE_REFRESH_STATS 0x0014 827 #define TI_BDTYPE_SEND_DATA_LAST_VLAN 0x0015 828 #define TI_BDTYPE_SEND_DATA_COAL 0x0016 829 #define TI_BDTYPE_SEND_DATA_LAST_COAL 0x0017 830 #define TI_BDTYPE_SEND_DATA_LAST_VLAN_COAL 0x0018 831 #define TI_BDTYPE_TX_CONS_NO_INTR 0x0019 832 833 /* 834 * Tigon command structure. 835 */ 836 struct ti_cmd_desc { 837 #if BYTE_ORDER == BIG_ENDIAN 838 u_int32_t ti_cmd:8; 839 u_int32_t ti_code:12; 840 u_int32_t ti_idx:12; 841 #else 842 u_int32_t ti_idx:12; 843 u_int32_t ti_code:12; 844 u_int32_t ti_cmd:8; 845 #endif 846 }; 847 848 #define TI_CMD_HOST_STATE 0x01 849 #define TI_CMD_CODE_STACK_UP 0x01 850 #define TI_CMD_CODE_STACK_DOWN 0x02 851 852 /* 853 * This command enables software address filtering. It's a workaround 854 * for a bug in the Tigon 1 and not implemented for the Tigon 2. 855 */ 856 #define TI_CMD_FDR_FILTERING 0x02 857 #define TI_CMD_CODE_FILT_ENB 0x01 858 #define TI_CMD_CODE_FILT_DIS 0x02 859 860 #define TI_CMD_SET_RX_PROD_IDX 0x03 /* obsolete */ 861 #define TI_CMD_UPDATE_GENCOM 0x04 862 #define TI_CMD_RESET_JUMBO_RING 0x05 863 #define TI_CMD_SET_PARTIAL_RX_CNT 0x06 864 #define TI_CMD_ADD_MCAST_ADDR 0x08 /* obsolete */ 865 #define TI_CMD_DEL_MCAST_ADDR 0x09 /* obsolete */ 866 867 #define TI_CMD_SET_PROMISC_MODE 0x0A 868 #define TI_CMD_CODE_PROMISC_ENB 0x01 869 #define TI_CMD_CODE_PROMISC_DIS 0x02 870 871 #define TI_CMD_LINK_NEGOTIATION 0x0B 872 #define TI_CMD_CODE_NEGOTIATE_BOTH 0x00 873 #define TI_CMD_CODE_NEGOTIATE_GIGABIT 0x01 874 #define TI_CMD_CODE_NEGOTIATE_10_100 0x02 875 876 #define TI_CMD_SET_MAC_ADDR 0x0C 877 #define TI_CMD_CLR_PROFILE 0x0D 878 879 #define TI_CMD_SET_ALLMULTI 0x0E 880 #define TI_CMD_CODE_ALLMULTI_ENB 0x01 881 #define TI_CMD_CODE_ALLMULTI_DIS 0x02 882 883 #define TI_CMD_CLR_STATS 0x0F 884 #define TI_CMD_SET_RX_JUMBO_PROD_IDX 0x10 /* obsolete */ 885 #define TI_CMD_RFRSH_STATS 0x11 886 887 #define TI_CMD_EXT_ADD_MCAST 0x12 888 #define TI_CMD_EXT_DEL_MCAST 0x13 889 890 /* 891 * Utility macros to make issuing commands a little simpler. Assumes 892 * that 'sc' and 'cmd' are in local scope. 893 */ 894 #define TI_DO_CMD(x, y, z) \ 895 cmd.ti_cmd = x; \ 896 cmd.ti_code = y; \ 897 cmd.ti_idx = z; \ 898 ti_cmd(sc, &cmd); 899 900 #define TI_DO_CMD_EXT(x, y, z, v, w) \ 901 cmd.ti_cmd = x; \ 902 cmd.ti_code = y; \ 903 cmd.ti_idx = z; \ 904 ti_cmd_ext(sc, &cmd, v, w); 905 906 /* 907 * Other utility macros. 908 */ 909 #define TI_INC(x, y) (x) = (x + 1) % y 910 911 #define TI_UPDATE_JUMBOPROD(x, y) \ 912 if (x->ti_hwrev == TI_HWREV_TIGON) { \ 913 TI_DO_CMD(TI_CMD_SET_RX_JUMBO_PROD_IDX, 0, y); \ 914 } else { \ 915 CSR_WRITE_4(x, TI_MB_JUMBORXPROD_IDX, y); \ 916 } 917 918 #define TI_UPDATE_MINIPROD(x, y) \ 919 CSR_WRITE_4(x, TI_MB_MINIRXPROD_IDX, y); 920 921 #define TI_UPDATE_STDPROD(x, y) \ 922 if (x->ti_hwrev == TI_HWREV_TIGON) { \ 923 TI_DO_CMD(TI_CMD_SET_RX_PROD_IDX, 0, y); \ 924 } else { \ 925 CSR_WRITE_4(x, TI_MB_STDRXPROD_IDX, y); \ 926 } 927 928 929 /* 930 * Tigon event structure. 931 */ 932 struct ti_event_desc { 933 #if BYTE_ORDER == BIG_ENDIAN 934 u_int32_t ti_event:8; 935 u_int32_t ti_code:12; 936 u_int32_t ti_idx:12; 937 #else 938 u_int32_t ti_idx:12; 939 u_int32_t ti_code:12; 940 u_int32_t ti_event:8; 941 #endif 942 u_int32_t ti_rsvd; 943 }; 944 945 /* 946 * Tigon events. 947 */ 948 #define TI_EV_FIRMWARE_UP 0x01 949 #define TI_EV_STATS_UPDATED 0x04 950 951 #define TI_EV_LINKSTAT_CHANGED 0x06 952 #define TI_EV_CODE_GIG_LINK_UP 0x01 953 #define TI_EV_CODE_LINK_DOWN 0x02 954 #define TI_EV_CODE_LINK_UP 0x03 955 956 #define TI_EV_ERROR 0x07 957 #define TI_EV_CODE_ERR_INVAL_CMD 0x01 958 #define TI_EV_CODE_ERR_UNIMP_CMD 0x02 959 #define TI_EV_CODE_ERR_BADCFG 0x03 960 961 #define TI_EV_MCAST_UPDATED 0x08 962 #define TI_EV_CODE_MCAST_ADD 0x01 963 #define TI_EV_CODE_MCAST_DEL 0x02 964 965 #define TI_EV_RESET_JUMBO_RING 0x09 966 /* 967 * Register access macros. The Tigon always uses memory mapped register 968 * accesses and all registers must be accessed with 32 bit operations. 969 */ 970 971 #define CSR_WRITE_4(sc, reg, val) \ 972 bus_space_write_4(sc->ti_btag, sc->ti_bhandle, (reg), (val)) 973 974 #define CSR_READ_4(sc, reg) \ 975 bus_space_read_4(sc->ti_btag, sc->ti_bhandle, (reg)) 976 977 #define TI_SETBIT(sc, reg, x) \ 978 CSR_WRITE_4(sc, (reg), (CSR_READ_4(sc, (reg)) | (x))) 979 #define TI_CLRBIT(sc, reg, x) \ 980 CSR_WRITE_4(sc, (reg), (CSR_READ_4(sc, (reg)) & ~(x))) 981 982 /* 983 * Memory management stuff. Note: the SSLOTS, MSLOTS and JSLOTS 984 * values are tuneable. They control the actual amount of buffers 985 * allocated for the standard, mini and jumbo receive rings. 986 */ 987 988 #define TI_SSLOTS 64 /* 256 */ 989 #define TI_MSLOTS 64 /* 256 */ 990 #define TI_JSLOTS 64 /* 256 */ 991 #define TI_RSLOTS 128 992 993 #define TI_JRAWLEN (ETHER_MAX_LEN_JUMBO + ETHER_ALIGN + sizeof(u_int64_t)) 994 #define TI_JLEN (TI_JRAWLEN + (sizeof(u_int64_t) - \ 995 (TI_JRAWLEN % sizeof(u_int64_t)))) 996 #define TI_JPAGESZ PAGE_SIZE 997 #define TI_RESID (TI_JPAGESZ - (TI_JLEN * TI_JSLOTS) % TI_JPAGESZ) 998 #define TI_JMEM ((TI_JLEN * TI_JSLOTS) + TI_RESID) 999 1000 /* 1001 * Ring structures. Most of these reside in host memory and we tell 1002 * the NIC where they are via the ring control blocks. The exceptions 1003 * are the tx and command rings, which live in NIC memory and which 1004 * we access via the shared memory window. 1005 */ 1006 struct ti_ring_data { 1007 struct ti_rx_desc ti_rx_std_ring[TI_STD_RX_RING_CNT]; 1008 struct ti_rx_desc ti_rx_jumbo_ring[TI_JUMBO_RX_RING_CNT]; 1009 struct ti_rx_desc ti_rx_mini_ring[TI_MINI_RX_RING_CNT]; 1010 struct ti_rx_desc ti_rx_return_ring[TI_RETURN_RING_CNT]; 1011 struct ti_event_desc ti_event_ring[TI_EVENT_RING_CNT]; 1012 struct ti_tx_desc ti_tx_ring[TI_TX_RING_CNT]; 1013 /* 1014 * Make sure producer structures are aligned on 32-byte cache 1015 * line boundaries. 1016 */ 1017 struct ti_producer ti_ev_prodidx_r; 1018 u_int32_t ti_pad0[6]; 1019 struct ti_producer ti_return_prodidx_r; 1020 u_int32_t ti_pad1[6]; 1021 struct ti_producer ti_tx_considx_r; 1022 u_int32_t ti_pad2[6]; 1023 struct ti_gib ti_info; 1024 }; 1025 1026 #define TI_CDOFF(x) offsetof(struct ti_ring_data, x) 1027 #define TI_CDRXSTDOFF(x) TI_CDOFF(ti_rx_std_ring[(x)]) 1028 #define TI_CDRXJUMBOOFF(x) TI_CDOFF(ti_rx_jumbo_ring[(x)]) 1029 #define TI_CDRXMINIOFF(x) TI_CDOFF(ti_rx_mini_ring[(x)]) 1030 #define TI_CDRXRTNOFF(x) TI_CDOFF(ti_rx_return_ring[(x)]) 1031 #define TI_CDEVENTOFF(x) TI_CDOFF(ti_event_ring[(x)]) 1032 #define TI_CDTXOFF(x) TI_CDOFF(ti_tx_ring[(x)]) 1033 #define TI_CDEVPRODOFF TI_CDOFF(ti_ev_prodidx_r) 1034 #define TI_CDRTNPRODOFF TI_CDOFF(ti_return_prodidx_r) 1035 #define TI_CDTXCONSOFF TI_CDOFF(ti_tx_considx_r) 1036 #define TI_CDGIBOFF TI_CDOFF(ti_info) 1037 #define TI_CDSTATSOFF TI_CDOFF(ti_info.ti_stats) 1038 1039 /* 1040 * Mbuf pointers. We need these to keep track of the virtual addresses 1041 * of our mbuf chains since we can only convert from physical to virtual, 1042 * not the other way around. 1043 */ 1044 struct ti_chain_data { 1045 struct mbuf *ti_tx_chain[TI_TX_RING_CNT]; 1046 struct mbuf *ti_rx_std_chain[TI_STD_RX_RING_CNT]; 1047 struct mbuf *ti_rx_jumbo_chain[TI_JUMBO_RX_RING_CNT]; 1048 struct mbuf *ti_rx_mini_chain[TI_MINI_RX_RING_CNT]; 1049 /* Stick the jumbo mem management stuff here too. */ 1050 caddr_t ti_jslots[TI_JSLOTS]; 1051 void *ti_jumbo_buf; 1052 }; 1053 1054 struct ti_type { 1055 u_int16_t ti_vid; 1056 u_int16_t ti_did; 1057 char *ti_name; 1058 }; 1059 1060 #define TI_HWREV_TIGON 0x01 1061 #define TI_HWREV_TIGON_II 0x02 1062 #define TI_TIMEOUT 1000 1063 #define TI_TXCONS_UNSET 0xFFFF /* impossible value */ 1064 1065 struct ti_mc_entry { 1066 struct ether_addr mc_addr; 1067 SIMPLEQ_ENTRY(ti_mc_entry) mc_entries; 1068 }; 1069 1070 struct ti_jpool_entry { 1071 int slot; 1072 SIMPLEQ_ENTRY(ti_jpool_entry) jpool_entries; 1073 }; 1074 1075 struct txdmamap_pool_entry { 1076 bus_dmamap_t dmamap; 1077 SIMPLEQ_ENTRY(txdmamap_pool_entry) link; 1078 }; 1079 1080 struct ti_softc { 1081 struct device sc_dev; 1082 struct ethercom ethercom; /* interface info */ 1083 bus_space_handle_t ti_bhandle; 1084 char *ti_vhandle; 1085 bus_space_tag_t ti_btag; 1086 void *ti_intrhand; 1087 1088 struct ifmedia ifmedia; /* media info */ 1089 1090 u_int8_t ti_hwrev; /* Tigon rev (1 or 2) */ 1091 u_int8_t ti_copper; /* 1000baseT card */ 1092 u_int8_t ti_linkstat; /* Link state */ 1093 struct ti_ring_data *ti_rdata; /* rings */ 1094 #define ti_ev_prodidx ti_rdata->ti_ev_prodidx_r 1095 #define ti_return_prodidx ti_rdata->ti_return_prodidx_r 1096 #define ti_tx_considx ti_rdata->ti_tx_considx_r 1097 1098 struct ti_tx_desc *ti_tx_ring_nic;/* pointer to shared mem */ 1099 1100 struct ti_chain_data ti_cdata; /* mbufs */ 1101 1102 /* 1103 * Function pointers to deal with Tigon 1 vs. Tigon 2 differences. 1104 */ 1105 int (*sc_tx_encap)(struct ti_softc *, 1106 struct mbuf *, uint32_t *); 1107 void (*sc_tx_eof)(struct ti_softc *); 1108 1109 u_int16_t ti_tx_saved_considx; 1110 u_int16_t ti_rx_saved_considx; 1111 u_int16_t ti_ev_saved_considx; 1112 u_int16_t ti_cmd_saved_prodidx; 1113 u_int16_t ti_std; /* current std ring head */ 1114 u_int16_t ti_mini; /* current mini ring head */ 1115 u_int16_t ti_jumbo; /* current jumo ring head */ 1116 SIMPLEQ_HEAD(, ti_mc_entry) ti_mc_listhead; 1117 SIMPLEQ_HEAD(, ti_jpool_entry) ti_jfree_listhead; 1118 SIMPLEQ_HEAD(, ti_jpool_entry) ti_jinuse_listhead; 1119 u_int32_t ti_stat_ticks; 1120 u_int32_t ti_rx_coal_ticks; 1121 u_int32_t ti_tx_coal_ticks; 1122 u_int32_t ti_rx_max_coal_bds; 1123 u_int32_t ti_tx_max_coal_bds; 1124 u_int32_t ti_tx_buf_ratio; 1125 int ti_if_flags; 1126 int ti_txcnt; 1127 void *sc_ih; 1128 bus_dma_tag_t sc_dmat; 1129 bus_dmamap_t info_dmamap; /* holds ti_rdata */ 1130 u_int32_t info_dmaaddr; /* XXX 64-bit PCI addresses? */ 1131 bus_dmamap_t jumbo_dmamap; 1132 u_int32_t jumbo_dmaaddr; /* XXX 64-bit PCI addresses? */ 1133 bus_dmamap_t mini_dmamap[TI_MINI_RX_RING_CNT]; 1134 bus_dmamap_t std_dmamap[TI_STD_RX_RING_CNT]; 1135 SIMPLEQ_HEAD(, txdmamap_pool_entry) txdma_list; 1136 struct txdmamap_pool_entry *txdma[TI_TX_RING_CNT]; 1137 }; 1138 1139 #define TI_CDRXSTDADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXSTDOFF((x))) 1140 #define TI_CDRXJUMBOADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXJUMBOOFF((x))) 1141 #define TI_CDRXMINIADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXMINIOFF((x))) 1142 #define TI_CDRXRTNADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXRTNOFF((x))) 1143 #define TI_CDEVENTADDR(sc, x) ((sc)->info_dmaaddr + TI_CDEVENTOFF((x))) 1144 #define TI_CDTXADDR(sc, x) ((sc)->info_dmaaddr + TI_CDTXOFF((x))) 1145 #define TI_CDEVPRODADDR(sc) ((sc)->info_dmaaddr + TI_CDEVPRODOFF) 1146 #define TI_CDRTNPRODADDR(sc) ((sc)->info_dmaaddr + TI_CDRTNPRODOFF) 1147 #define TI_CDTXCONSADDR(sc) ((sc)->info_dmaaddr + TI_CDTXCONSOFF) 1148 #define TI_CDGIBADDR(sc) ((sc)->info_dmaaddr + TI_CDGIBOFF) 1149 #define TI_CDSTATSADDR(sc) ((sc)->info_dmaaddr + TI_CDSTATSOFF) 1150 1151 #define TI_CDRXSTDSYNC(sc, x, ops) \ 1152 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1153 TI_CDRXSTDOFF((x)), sizeof(struct ti_rx_desc), (ops)) 1154 1155 #define TI_CDRXJUMBOSYNC(sc, x, ops) \ 1156 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1157 TI_CDRXJUMBOOFF((x)), sizeof(struct ti_rx_desc), (ops)) 1158 1159 #define TI_CDRXMINISYNC(sc, x, ops) \ 1160 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1161 TI_CDRXMINIOFF((x)), sizeof(struct ti_rx_desc), (ops)) 1162 1163 #define TI_CDRXRTNSYNC(sc, x, ops) \ 1164 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1165 TI_CDRXRTNOFF((x)), sizeof(struct ti_rx_desc), (ops)) 1166 1167 #define TI_CDEVENTSYNC(sc, x, ops) \ 1168 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1169 TI_CDEVENTOFF((x)), sizeof(struct ti_event_desc), (ops)) 1170 1171 #define TI_CDTXSYNC(sc, x, n, ops) \ 1172 do { \ 1173 int __x, __n; \ 1174 \ 1175 __x = (x); \ 1176 __n = (n); \ 1177 \ 1178 /* If it will wrap around, sync to the end of the ring. */ \ 1179 if ((__x + __n) > TI_TX_RING_CNT) { \ 1180 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1181 TI_CDTXOFF(__x), sizeof(struct ti_tx_desc) * \ 1182 (TI_TX_RING_CNT - __x), (ops)); \ 1183 __n -= (TI_TX_RING_CNT - __x); \ 1184 __x = 0; \ 1185 } \ 1186 \ 1187 /* Now sync whatever is left. */ \ 1188 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1189 TI_CDTXOFF(__x), sizeof(struct ti_tx_desc) * (__n), (ops)); \ 1190 } while (/*CONSTCOND*/0) 1191 1192 #define TI_CEVPRODSYNC(sc, ops) \ 1193 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1194 TI_CDEVPRODOFF, sizeof(struct ti_producer), (ops)) 1195 1196 #define TI_CDRTNPRODSYNC(sc, ops) \ 1197 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1198 TI_CDRTNPRODOFF, sizeof(struct ti_producer), (ops)) 1199 1200 #define TI_CDTXCONSSYNC(sc, ops) \ 1201 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1202 TI_CDTXCONSOFF, sizeof(struct ti_producer), (ops)) 1203 1204 #define TI_CDGIBSYNC(sc, ops) \ 1205 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1206 TI_CDGIBOFF, sizeof(struct ti_gib), (ops)) 1207 1208 #define TI_CDSTATSSYNC(sc, ops) \ 1209 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1210 TI_CDSTATSOFF, sizeof(struct ti_stats), (ops)) 1211 1212 /* 1213 * Microchip Technology 24Cxx EEPROM control bytes 1214 */ 1215 #define EEPROM_CTL_READ 0xA1 /* 0101 0001 */ 1216 #define EEPROM_CTL_WRITE 0xA0 /* 0101 0000 */ 1217 1218 /* 1219 * Note that EEPROM_START leaves transmission enabled. 1220 */ 1221 #define EEPROM_START \ 1222 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock pin high */\ 1223 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Set DATA bit to 1 */ \ 1224 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Enable xmit to write bit */\ 1225 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Pull DATA bit to 0 again */\ 1226 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock low again */ 1227 1228 /* 1229 * EEPROM_STOP ends access to the EEPROM and clears the ETXEN bit so 1230 * that no further data can be written to the EEPROM I/O pin. 1231 */ 1232 #define EEPROM_STOP \ 1233 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Disable xmit */ \ 1234 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Pull DATA to 0 */ \ 1235 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock high */ \ 1236 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Enable xmit */ \ 1237 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Toggle DATA to 1 */ \ 1238 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Disable xmit. */ \ 1239 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock low again */ 1240