1 /* $NetBSD: if_tireg.h,v 1.30 2020/04/02 16:18:51 msaitoh 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 typedef struct { 377 uint32_t ti_addr_hi; 378 uint32_t ti_addr_lo; 379 } ti_hostaddr; 380 381 /* 382 * Ring control block structure. The rules for the max_len field 383 * are as follows: 384 * 385 * For the send ring, max_len indicates the number of entries in the 386 * ring (128, 256 or 512). 387 * 388 * For the standard receive ring, max_len indicates the threshold 389 * used to decide when a frame should be put in the jumbo receive ring 390 * instead of the standard one. 391 * 392 * For the mini ring, max_len indicates the size of the buffers in the 393 * ring. This is the value used to decide when a frame is small enough 394 * to be placed in the mini ring. 395 * 396 * For the return receive ring, max_len indicates the number of entries 397 * in the ring. It can be one of 2048, 1024 or 0 (which is the same as 398 * 2048 for backwards compatibility). The value 1024 can only be used 399 * if the mini ring is disabled. 400 */ 401 struct ti_rcb { 402 ti_hostaddr ti_hostaddr; 403 #if BYTE_ORDER == BIG_ENDIAN 404 uint16_t ti_max_len; 405 uint16_t ti_flags; 406 #else 407 uint16_t ti_flags; 408 uint16_t ti_max_len; 409 #endif 410 uint32_t ti_unused; 411 }; 412 413 #define TI_RCB_FLAG_TCP_UDP_CKSUM 0x00000001 414 #define TI_RCB_FLAG_IP_CKSUM 0x00000002 415 #define TI_RCB_FLAG_NO_PHDR_CKSUM 0x00000008 416 #define TI_RCB_FLAG_VLAN_ASSIST 0x00000010 417 #define TI_RCB_FLAG_COAL_UPD_ONLY 0x00000020 418 #define TI_RCB_FLAG_HOST_RING 0x00000040 419 #define TI_RCB_FLAG_IEEE_SNAP_CKSUM 0x00000080 420 #define TI_RCB_FLAG_USE_EXT_RX_BD 0x00000100 421 #define TI_RCB_FLAG_RING_DISABLED 0x00000200 422 423 struct ti_producer { 424 uint32_t ti_idx; 425 uint32_t ti_unused; 426 }; 427 428 /* 429 * Tigon statistics counters. 430 */ 431 struct ti_stats { 432 /* 433 * MAC stats, taken from RFC 1643, ethernet-like MIB 434 */ 435 volatile uint32_t dot3StatsAlignmentErrors; /* 0 */ 436 volatile uint32_t dot3StatsFCSErrors; /* 1 */ 437 volatile uint32_t dot3StatsSingleCollisionFrames; /* 2 */ 438 volatile uint32_t dot3StatsMultipleCollisionFrames; /* 3 */ 439 volatile uint32_t dot3StatsSQETestErrors; /* 4 */ 440 volatile uint32_t dot3StatsDeferredTransmissions; /* 5 */ 441 volatile uint32_t dot3StatsLateCollisions; /* 6 */ 442 volatile uint32_t dot3StatsExcessiveCollisions; /* 7 */ 443 volatile uint32_t dot3StatsInternalMacTransmitErrors; /* 8 */ 444 volatile uint32_t dot3StatsCarrierSenseErrors; /* 9 */ 445 volatile uint32_t dot3StatsFrameTooLongs; /* 10 */ 446 volatile uint32_t dot3StatsInternalMacReceiveErrors; /* 11 */ 447 /* 448 * interface stats, taken from RFC 1213, MIB-II, interfaces group 449 */ 450 volatile uint32_t ifIndex; /* 12 */ 451 volatile uint32_t ifType; /* 13 */ 452 volatile uint32_t ifMtu; /* 14 */ 453 volatile uint32_t ifSpeed; /* 15 */ 454 volatile uint32_t ifAdminStatus; /* 16 */ 455 #define IF_ADMIN_STATUS_UP 1 456 #define IF_ADMIN_STATUS_DOWN 2 457 #define IF_ADMIN_STATUS_TESTING 3 458 volatile uint32_t ifOperStatus; /* 17 */ 459 #define IF_OPER_STATUS_UP 1 460 #define IF_OPER_STATUS_DOWN 2 461 #define IF_OPER_STATUS_TESTING 3 462 #define IF_OPER_STATUS_UNKNOWN 4 463 #define IF_OPER_STATUS_DORMANT 5 464 volatile uint32_t ifLastChange; /* 18 */ 465 volatile uint32_t ifInDiscards; /* 19 */ 466 volatile uint32_t ifInErrors; /* 20 */ 467 volatile uint32_t ifInUnknownProtos; /* 21 */ 468 volatile uint32_t ifOutDiscards; /* 22 */ 469 volatile uint32_t ifOutErrors; /* 23 */ 470 volatile uint32_t ifOutQLen; /* deprecated */ /* 24 */ 471 volatile uint8_t ifPhysAddress[8]; /* 8 bytes */ /* 25 - 26 */ 472 volatile uint8_t ifDescr[32]; /* 27 - 34 */ 473 uint32_t alignIt; /* align to 64 bit for uint64_ts following */ 474 /* 475 * more interface stats, taken from RFC 1573, MIB-IIupdate, 476 * interfaces group 477 */ 478 volatile uint64_t ifHCInOctets; /* 36 - 37 */ 479 volatile uint64_t ifHCInUcastPkts; /* 38 - 39 */ 480 volatile uint64_t ifHCInMulticastPkts; /* 40 - 41 */ 481 volatile uint64_t ifHCInBroadcastPkts; /* 42 - 43 */ 482 volatile uint64_t ifHCOutOctets; /* 44 - 45 */ 483 volatile uint64_t ifHCOutUcastPkts; /* 46 - 47 */ 484 volatile uint64_t ifHCOutMulticastPkts; /* 48 - 49 */ 485 volatile uint64_t ifHCOutBroadcastPkts; /* 50 - 51 */ 486 volatile uint32_t ifLinkUpDownTrapEnable; /* 52 */ 487 volatile uint32_t ifHighSpeed; /* 53 */ 488 volatile uint32_t ifPromiscuousMode; /* 54 */ 489 volatile uint32_t ifConnectorPresent; /* follow link state 55 */ 490 /* 491 * Host Commands 492 */ 493 volatile uint32_t nicCmdsHostState; /* 56 */ 494 volatile uint32_t nicCmdsFDRFiltering; /* 57 */ 495 volatile uint32_t nicCmdsSetRecvProdIndex; /* 58 */ 496 volatile uint32_t nicCmdsUpdateGencommStats; /* 59 */ 497 volatile uint32_t nicCmdsResetJumboRing; /* 60 */ 498 volatile uint32_t nicCmdsAddMCastAddr; /* 61 */ 499 volatile uint32_t nicCmdsDelMCastAddr; /* 62 */ 500 volatile uint32_t nicCmdsSetPromiscMode; /* 63 */ 501 volatile uint32_t nicCmdsLinkNegotiate; /* 64 */ 502 volatile uint32_t nicCmdsSetMACAddr; /* 65 */ 503 volatile uint32_t nicCmdsClearProfile; /* 66 */ 504 volatile uint32_t nicCmdsSetMulticastMode; /* 67 */ 505 volatile uint32_t nicCmdsClearStats; /* 68 */ 506 volatile uint32_t nicCmdsSetRecvJumboProdIndex; /* 69 */ 507 volatile uint32_t nicCmdsSetRecvMiniProdIndex; /* 70 */ 508 volatile uint32_t nicCmdsRefreshStats; /* 71 */ 509 volatile uint32_t nicCmdsUnknown; /* 72 */ 510 /* 511 * NIC Events 512 */ 513 volatile uint32_t nicEventsNICFirmwareOperational; /* 73 */ 514 volatile uint32_t nicEventsStatsUpdated; /* 74 */ 515 volatile uint32_t nicEventsLinkStateChanged; /* 75 */ 516 volatile uint32_t nicEventsError; /* 76 */ 517 volatile uint32_t nicEventsMCastListUpdated; /* 77 */ 518 volatile uint32_t nicEventsResetJumboRing; /* 78 */ 519 /* 520 * Ring manipulation 521 */ 522 volatile uint32_t nicRingSetSendProdIndex; /* 79 */ 523 volatile uint32_t nicRingSetSendConsIndex; /* 80 */ 524 volatile uint32_t nicRingSetRecvReturnProdIndex; /* 81 */ 525 /* 526 * Interrupts 527 */ 528 volatile uint32_t nicInterrupts; /* 82 */ 529 volatile uint32_t nicAvoidedInterrupts; /* 83 */ 530 /* 531 * BD Coalescing Thresholds 532 */ 533 volatile uint32_t nicEventThresholdHit; /* 84 */ 534 volatile uint32_t nicSendThresholdHit; /* 85 */ 535 volatile uint32_t nicRecvThresholdHit; /* 86 */ 536 /* 537 * DMA Attentions 538 */ 539 volatile uint32_t nicDmaRdOverrun; /* 87 */ 540 volatile uint32_t nicDmaRdUnderrun; /* 88 */ 541 volatile uint32_t nicDmaWrOverrun; /* 89 */ 542 volatile uint32_t nicDmaWrUnderrun; /* 90 */ 543 volatile uint32_t nicDmaWrMasterAborts; /* 91 */ 544 volatile uint32_t nicDmaRdMasterAborts; /* 92 */ 545 /* 546 * NIC Resources 547 */ 548 volatile uint32_t nicDmaWriteRingFull; /* 93 */ 549 volatile uint32_t nicDmaReadRingFull; /* 94 */ 550 volatile uint32_t nicEventRingFull; /* 95 */ 551 volatile uint32_t nicEventProducerRingFull; /* 96 */ 552 volatile uint32_t nicTxMacDescrRingFull; /* 97 */ 553 volatile uint32_t nicOutOfTxBufSpaceFrameRetry; /* 98 */ 554 volatile uint32_t nicNoMoreWrDMADescriptors; /* 99 */ 555 volatile uint32_t nicNoMoreRxBDs; /* 100 */ 556 volatile uint32_t nicNoSpaceInReturnRing; /* 101 */ 557 volatile uint32_t nicSendBDs; /* current count 102 */ 558 volatile uint32_t nicRecvBDs; /* current count 103 */ 559 volatile uint32_t nicJumboRecvBDs; /* current count 104 */ 560 volatile uint32_t nicMiniRecvBDs; /* current count 105 */ 561 volatile uint32_t nicTotalRecvBDs; /* current count 106 */ 562 volatile uint32_t nicTotalSendBDs; /* current count 107 */ 563 volatile uint32_t nicJumboSpillOver; /* 108 */ 564 volatile uint32_t nicSbusHangCleared; /* 109 */ 565 volatile uint32_t nicEnqEventDelayed; /* 110 */ 566 /* 567 * Stats from MAC rx completion 568 */ 569 volatile uint32_t nicMacRxLateColls; /* 111 */ 570 volatile uint32_t nicMacRxLinkLostDuringPkt; /* 112 */ 571 volatile uint32_t nicMacRxPhyDecodeErr; /* 113 */ 572 volatile uint32_t nicMacRxMacAbort; /* 114 */ 573 volatile uint32_t nicMacRxTruncNoResources; /* 115 */ 574 /* 575 * Stats from the mac_stats area 576 */ 577 volatile uint32_t nicMacRxDropUla; /* 116 */ 578 volatile uint32_t nicMacRxDropMcast; /* 117 */ 579 volatile uint32_t nicMacRxFlowControl; /* 118 */ 580 volatile uint32_t nicMacRxDropSpace; /* 119 */ 581 volatile uint32_t nicMacRxColls; /* 120 */ 582 /* 583 * MAC RX Attentions 584 */ 585 volatile uint32_t nicMacRxTotalAttns; /* 121 */ 586 volatile uint32_t nicMacRxLinkAttns; /* 122 */ 587 volatile uint32_t nicMacRxSyncAttns; /* 123 */ 588 volatile uint32_t nicMacRxConfigAttns; /* 124 */ 589 volatile uint32_t nicMacReset; /* 125 */ 590 volatile uint32_t nicMacRxBufDescrAttns; /* 126 */ 591 volatile uint32_t nicMacRxBufAttns; /* 127 */ 592 volatile uint32_t nicMacRxZeroFrameCleanup; /* 128 */ 593 volatile uint32_t nicMacRxOneFrameCleanup; /* 129 */ 594 volatile uint32_t nicMacRxMultipleFrameCleanup; /* 130 */ 595 volatile uint32_t nicMacRxTimerCleanup; /* 131 */ 596 volatile uint32_t nicMacRxDmaCleanup; /* 132 */ 597 /* 598 * Stats from the mac_stats area 599 */ 600 volatile uint32_t nicMacTxCollisionHistogram[15]; /* 133 */ 601 /* 602 * MAC TX Attentions 603 */ 604 volatile uint32_t nicMacTxTotalAttns; /* 134 */ 605 /* 606 * NIC Profile 607 */ 608 volatile uint32_t nicProfile[32]; /* 135 */ 609 /* 610 * Pat to 1024 bytes. 611 */ 612 uint32_t pad[75]; 613 }; 614 /* 615 * Tigon general information block. This resides in host memory 616 * and contains the status counters, ring control blocks and 617 * producer pointers. 618 */ 619 620 struct ti_gib { 621 struct ti_stats ti_stats; 622 struct ti_rcb ti_ev_rcb; 623 struct ti_rcb ti_cmd_rcb; 624 struct ti_rcb ti_tx_rcb; 625 struct ti_rcb ti_std_rx_rcb; 626 struct ti_rcb ti_jumbo_rx_rcb; 627 struct ti_rcb ti_mini_rx_rcb; 628 struct ti_rcb ti_return_rcb; 629 ti_hostaddr ti_ev_prodidx_ptr; 630 ti_hostaddr ti_return_prodidx_ptr; 631 ti_hostaddr ti_tx_considx_ptr; 632 ti_hostaddr ti_refresh_stats_ptr; 633 }; 634 635 /* 636 * Buffer descriptor structures. There are basically three types 637 * of structures: normal receive descriptors, extended receive 638 * descriptors and transmit descriptors. The extended receive 639 * descriptors are optionally used only for the jumbo receive ring. 640 */ 641 642 struct ti_rx_desc { 643 ti_hostaddr ti_addr; 644 #if BYTE_ORDER == BIG_ENDIAN 645 uint16_t ti_idx; 646 uint16_t ti_len; 647 #else 648 uint16_t ti_len; 649 uint16_t ti_idx; 650 #endif 651 #if BYTE_ORDER == BIG_ENDIAN 652 uint16_t ti_type; 653 uint16_t ti_flags; 654 #else 655 uint16_t ti_flags; 656 uint16_t ti_type; 657 #endif 658 #if BYTE_ORDER == BIG_ENDIAN 659 uint16_t ti_ip_cksum; 660 uint16_t ti_tcp_udp_cksum; 661 #else 662 uint16_t ti_tcp_udp_cksum; 663 uint16_t ti_ip_cksum; 664 #endif 665 #if BYTE_ORDER == BIG_ENDIAN 666 uint16_t ti_error_flags; 667 uint16_t ti_vlan_tag; 668 #else 669 uint16_t ti_vlan_tag; 670 uint16_t ti_error_flags; 671 #endif 672 uint32_t ti_rsvd; 673 uint32_t ti_opaque; 674 }; 675 676 struct ti_rx_desc_ext { 677 ti_hostaddr ti_addr1; 678 ti_hostaddr ti_addr2; 679 ti_hostaddr ti_addr3; 680 #if BYTE_ORDER == BIG_ENDIAN 681 uint16_t ti_len1; 682 uint16_t ti_len2; 683 #else 684 uint16_t ti_len2; 685 uint16_t ti_len1; 686 #endif 687 #if BYTE_ORDER == BIG_ENDIAN 688 uint16_t ti_len3; 689 uint16_t ti_rsvd0; 690 #else 691 uint16_t ti_rsvd0; 692 uint16_t ti_len3; 693 #endif 694 ti_hostaddr ti_addr0; 695 #if BYTE_ORDER == BIG_ENDIAN 696 uint16_t ti_idx; 697 uint16_t ti_len0; 698 #else 699 uint16_t ti_len0; 700 uint16_t ti_idx; 701 #endif 702 #if BYTE_ORDER == BIG_ENDIAN 703 uint16_t ti_type; 704 uint16_t ti_flags; 705 #else 706 uint16_t ti_flags; 707 uint16_t ti_type; 708 #endif 709 #if BYTE_ORDER == BIG_ENDIAN 710 uint16_t ti_ip_cksum; 711 uint16_t ti_tcp_udp_cksum; 712 #else 713 uint16_t ti_tcp_udp_cksum; 714 uint16_t ti_ip_cksum; 715 #endif 716 #if BYTE_ORDER == BIG_ENDIAN 717 uint16_t ti_error_flags; 718 uint16_t ti_vlan_tag; 719 #else 720 uint16_t ti_vlan_tag; 721 uint16_t ti_error_flags; 722 #endif 723 uint32_t ti_rsvd1; 724 uint32_t ti_opaque; 725 }; 726 727 /* 728 * Transmit descriptors are, mercifully, very small. 729 */ 730 struct ti_tx_desc { 731 ti_hostaddr ti_addr; 732 #if BYTE_ORDER == BIG_ENDIAN 733 uint16_t ti_len; 734 uint16_t ti_flags; 735 #else 736 uint16_t ti_flags; 737 uint16_t ti_len; 738 #endif 739 #if BYTE_ORDER == BIG_ENDIAN 740 uint16_t ti_rsvd; 741 uint16_t ti_vlan_tag; 742 #else 743 uint16_t ti_vlan_tag; 744 uint16_t ti_rsvd; 745 #endif 746 }; 747 748 /* 749 * NOTE! On the Alpha, we have an alignment constraint. 750 * The first thing in the packet is a 14-byte Ethernet header. 751 * This means that the packet is misaligned. To compensate, 752 * we actually offset the data 2 bytes into the cluster. This 753 * aligns the packet after the Ethernet header at a 32-bit 754 * boundary. 755 */ 756 757 #define TI_PAGE_SIZE PAGE_SIZE 758 759 /* 760 * Buffer descriptor error flags. 761 */ 762 #define TI_BDERR_CRC 0x0001 763 #define TI_BDERR_COLLDETECT 0x0002 764 #define TI_BDERR_LINKLOST 0x0004 765 #define TI_BDERR_DECODE 0x0008 766 #define TI_BDERR_ODD_NIBBLES 0x0010 767 #define TI_BDERR_MAC_ABRT 0x0020 768 #define TI_BDERR_RUNT 0x0040 769 #define TI_BDERR_TRUNC 0x0080 770 #define TI_BDERR_GIANT 0x0100 771 772 /* 773 * Buffer descriptor flags. 774 */ 775 #define TI_BDFLAG_TCP_UDP_CKSUM 0x0001 776 #define TI_BDFLAG_IP_CKSUM 0x0002 777 #define TI_BDFLAG_END 0x0004 778 #define TI_BDFLAG_MORE 0x0008 779 #define TI_BDFLAG_JUMBO_RING 0x0010 780 #define TI_BDFLAG_UCAST_PKT 0x0020 781 #define TI_BDFLAG_MCAST_PKT 0x0040 782 #define TI_BDFLAG_BCAST_PKT 0x0060 783 #define TI_BDFLAG_IP_FRAG 0x0080 784 #define TI_BDFLAG_IP_FRAG_END 0x0100 785 #define TI_BDFLAG_VLAN_TAG 0x0200 786 #define TI_BDFLAG_ERROR 0x0400 787 #define TI_BDFLAG_COAL_NOW 0x0800 788 #define TI_BDFLAG_MINI_RING 0x1000 789 790 /* 791 * Descriptor type flags. I think these only have meaning for 792 * the Tigon 1. I had to extract them from the sample driver source 793 * since they aren't in the manual. 794 */ 795 #define TI_BDTYPE_TYPE_NULL 0x0000 796 #define TI_BDTYPE_SEND_BD 0x0001 797 #define TI_BDTYPE_RECV_BD 0x0002 798 #define TI_BDTYPE_RECV_JUMBO_BD 0x0003 799 #define TI_BDTYPE_RECV_BD_LAST 0x0004 800 #define TI_BDTYPE_SEND_DATA 0x0005 801 #define TI_BDTYPE_SEND_DATA_LAST 0x0006 802 #define TI_BDTYPE_RECV_DATA 0x0007 803 #define TI_BDTYPE_RECV_DATA_LAST 0x000b 804 #define TI_BDTYPE_EVENT_RUPT 0x000c 805 #define TI_BDTYPE_EVENT_NO_RUPT 0x000d 806 #define TI_BDTYPE_ODD_START 0x000e 807 #define TI_BDTYPE_UPDATE_STATS 0x000f 808 #define TI_BDTYPE_SEND_DUMMY_DMA 0x0010 809 #define TI_BDTYPE_EVENT_PROD 0x0011 810 #define TI_BDTYPE_TX_CONS 0x0012 811 #define TI_BDTYPE_RX_PROD 0x0013 812 #define TI_BDTYPE_REFRESH_STATS 0x0014 813 #define TI_BDTYPE_SEND_DATA_LAST_VLAN 0x0015 814 #define TI_BDTYPE_SEND_DATA_COAL 0x0016 815 #define TI_BDTYPE_SEND_DATA_LAST_COAL 0x0017 816 #define TI_BDTYPE_SEND_DATA_LAST_VLAN_COAL 0x0018 817 #define TI_BDTYPE_TX_CONS_NO_INTR 0x0019 818 819 /* 820 * Tigon command structure. 821 */ 822 struct ti_cmd_desc { 823 uint32_t ti_cmdx; 824 }; 825 826 #define TI_CMD_CMD(cmd) (((((cmd)->ti_cmdx)) >> 24) & 0xff) 827 #define TI_CMD_CODE(cmd) (((((cmd)->ti_cmdx)) >> 12) & 0xfff) 828 #define TI_CMD_IDX(cmd) ((((cmd)->ti_cmdx)) & 0xfff) 829 830 #define TI_CMD_HOST_STATE 0x01 831 #define TI_CMD_CODE_STACK_UP 0x01 832 #define TI_CMD_CODE_STACK_DOWN 0x02 833 834 /* 835 * This command enables software address filtering. It's a workaround 836 * for a bug in the Tigon 1 and not implemented for the Tigon 2. 837 */ 838 #define TI_CMD_FDR_FILTERING 0x02 839 #define TI_CMD_CODE_FILT_ENB 0x01 840 #define TI_CMD_CODE_FILT_DIS 0x02 841 842 #define TI_CMD_SET_RX_PROD_IDX 0x03 /* obsolete */ 843 #define TI_CMD_UPDATE_GENCOM 0x04 844 #define TI_CMD_RESET_JUMBO_RING 0x05 845 #define TI_CMD_SET_PARTIAL_RX_CNT 0x06 846 #define TI_CMD_ADD_MCAST_ADDR 0x08 /* obsolete */ 847 #define TI_CMD_DEL_MCAST_ADDR 0x09 /* obsolete */ 848 849 #define TI_CMD_SET_PROMISC_MODE 0x0A 850 #define TI_CMD_CODE_PROMISC_ENB 0x01 851 #define TI_CMD_CODE_PROMISC_DIS 0x02 852 853 #define TI_CMD_LINK_NEGOTIATION 0x0B 854 #define TI_CMD_CODE_NEGOTIATE_BOTH 0x00 855 #define TI_CMD_CODE_NEGOTIATE_GIGABIT 0x01 856 #define TI_CMD_CODE_NEGOTIATE_10_100 0x02 857 858 #define TI_CMD_SET_MAC_ADDR 0x0C 859 #define TI_CMD_CLR_PROFILE 0x0D 860 861 #define TI_CMD_SET_ALLMULTI 0x0E 862 #define TI_CMD_CODE_ALLMULTI_ENB 0x01 863 #define TI_CMD_CODE_ALLMULTI_DIS 0x02 864 865 #define TI_CMD_CLR_STATS 0x0F 866 #define TI_CMD_SET_RX_JUMBO_PROD_IDX 0x10 /* obsolete */ 867 #define TI_CMD_RFRSH_STATS 0x11 868 869 #define TI_CMD_EXT_ADD_MCAST 0x12 870 #define TI_CMD_EXT_DEL_MCAST 0x13 871 872 /* 873 * Utility macros to make issuing commands a little simpler. Assumes 874 * that 'sc' and 'cmd' are in local scope. 875 */ 876 #define TI_DO_CMD(x, y, z) do { \ 877 cmd.ti_cmdx = (((x) << 24) | ((y) << 12) | ((z))); \ 878 ti_cmd(sc, &cmd); \ 879 } while(0) 880 881 #define TI_DO_CMD_EXT(x, y, z, v, w) do { \ 882 cmd.ti_cmdx = (((x) << 24) | ((y) << 12) | ((z))); \ 883 ti_cmd_ext(sc, &cmd, (v), (w)); \ 884 } while(0) 885 886 /* 887 * Other utility macros. 888 */ 889 #define TI_INC(x, y) do { (x) = ((x) + 1) % (y); } while(0) 890 891 #define TI_UPDATE_JUMBOPROD(x, y) do { \ 892 if ((x)->ti_hwrev == TI_HWREV_TIGON) \ 893 TI_DO_CMD(TI_CMD_SET_RX_JUMBO_PROD_IDX, 0, y); \ 894 else \ 895 CSR_WRITE_4(x, TI_MB_JUMBORXPROD_IDX, y); \ 896 } while(0) 897 898 #define TI_UPDATE_MINIPROD(x, y) \ 899 CSR_WRITE_4(x, TI_MB_MINIRXPROD_IDX, y) 900 901 #define TI_UPDATE_STDPROD(x, y) do { \ 902 if ((x)->ti_hwrev == TI_HWREV_TIGON) \ 903 TI_DO_CMD(TI_CMD_SET_RX_PROD_IDX, 0, y); \ 904 else \ 905 CSR_WRITE_4(x, TI_MB_STDRXPROD_IDX, y); \ 906 } while(0) 907 908 909 /* 910 * Tigon event structure. 911 */ 912 struct ti_event_desc { 913 uint32_t ti_eventx; 914 uint32_t ti_rsvd; 915 }; 916 917 #define TI_EVENT_EVENT(e) (((((e)->ti_eventx)) >> 24) & 0xff) 918 #define TI_EVENT_CODE(e) (((((e)->ti_eventx)) >> 12) & 0xfff) 919 #define TI_EVENT_IDX(e) (((((e)->ti_eventx))) & 0xfff) 920 921 /* 922 * Tigon events. 923 */ 924 #define TI_EV_FIRMWARE_UP 0x01 925 #define TI_EV_STATS_UPDATED 0x04 926 927 #define TI_EV_LINKSTAT_CHANGED 0x06 928 #define TI_EV_CODE_GIG_LINK_UP 0x01 929 #define TI_EV_CODE_LINK_DOWN 0x02 930 #define TI_EV_CODE_LINK_UP 0x03 931 932 #define TI_EV_ERROR 0x07 933 #define TI_EV_CODE_ERR_INVAL_CMD 0x01 934 #define TI_EV_CODE_ERR_UNIMP_CMD 0x02 935 #define TI_EV_CODE_ERR_BADCFG 0x03 936 937 #define TI_EV_MCAST_UPDATED 0x08 938 #define TI_EV_CODE_MCAST_ADD 0x01 939 #define TI_EV_CODE_MCAST_DEL 0x02 940 941 #define TI_EV_RESET_JUMBO_RING 0x09 942 /* 943 * Register access macros. The Tigon always uses memory mapped register 944 * accesses and all registers must be accessed with 32 bit operations. 945 * The Tigon can operate in big-endian mode, so we always write to the 946 * registers in native byte order. We assume that all big-endian hosts 947 * with a PCI bus have __BUS_SPACE_HAS_STREAM_METHODS defined. 948 */ 949 950 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 951 #define CSR_WRITE_4(sc, reg, val) \ 952 bus_space_write_stream_4((sc)->ti_btag, (sc)->ti_bhandle, reg, val) 953 954 #define CSR_READ_4(sc, reg) \ 955 bus_space_read_stream_4((sc)->ti_btag, (sc)->ti_bhandle, reg) 956 #else 957 #define CSR_WRITE_4(sc, reg, val) \ 958 bus_space_write_4((sc)->ti_btag, (sc)->ti_bhandle, reg, val) 959 960 #define CSR_READ_4(sc, reg) \ 961 bus_space_read_4((sc)->ti_btag, (sc)->ti_bhandle, reg) 962 #endif 963 964 #define TI_SETBIT(sc, reg, x) \ 965 CSR_WRITE_4(sc, reg, (CSR_READ_4(sc, reg) | (x))) 966 #define TI_CLRBIT(sc, reg, x) \ 967 CSR_WRITE_4(sc, reg, (CSR_READ_4(sc, reg) & ~(x))) 968 969 /* 970 * Memory management stuff. Note: the SSLOTS, MSLOTS and JSLOTS 971 * values are tuneable. They control the actual amount of buffers 972 * allocated for the standard, mini and jumbo receive rings. 973 */ 974 975 #ifndef TI_SSLOTS 976 #define TI_SSLOTS 256 977 #endif 978 #ifndef TI_MSLOTS 979 #define TI_MSLOTS 256 980 #endif 981 #ifndef TI_JSLOTS 982 #define TI_JSLOTS 384 983 #endif 984 #define TI_RSLOTS 128 985 986 #define TI_JRAWLEN (ETHER_MAX_LEN_JUMBO + ETHER_ALIGN + sizeof(uint64_t)) 987 #define TI_JLEN (TI_JRAWLEN + (sizeof(uint64_t) - \ 988 (TI_JRAWLEN % sizeof(uint64_t)))) 989 #define TI_JPAGESZ PAGE_SIZE 990 #define TI_RESID (TI_JPAGESZ - (TI_JLEN * TI_JSLOTS) % TI_JPAGESZ) 991 #define TI_JMEM ((TI_JLEN * TI_JSLOTS) + TI_RESID) 992 993 /* 994 * Ring structures. Most of these reside in host memory and we tell 995 * the NIC where they are via the ring control blocks. The exceptions 996 * are the tx and command rings, which live in NIC memory and which 997 * we access via the shared memory window. 998 */ 999 struct ti_ring_data { 1000 struct ti_rx_desc ti_rx_std_ring[TI_STD_RX_RING_CNT]; 1001 struct ti_rx_desc ti_rx_jumbo_ring[TI_JUMBO_RX_RING_CNT]; 1002 struct ti_rx_desc ti_rx_mini_ring[TI_MINI_RX_RING_CNT]; 1003 struct ti_rx_desc ti_rx_return_ring[TI_RETURN_RING_CNT]; 1004 struct ti_event_desc ti_event_ring[TI_EVENT_RING_CNT]; 1005 struct ti_tx_desc ti_tx_ring[TI_TX_RING_CNT]; 1006 /* 1007 * Make sure producer structures are aligned on 32-byte cache 1008 * line boundaries. 1009 */ 1010 struct ti_producer ti_ev_prodidx_r; 1011 uint32_t ti_pad0[6]; 1012 struct ti_producer ti_return_prodidx_r; 1013 uint32_t ti_pad1[6]; 1014 struct ti_producer ti_tx_considx_r; 1015 uint32_t ti_pad2[6]; 1016 struct ti_gib ti_info; 1017 }; 1018 1019 #define TI_CDOFF(x) offsetof(struct ti_ring_data, x) 1020 #define TI_CDRXSTDOFF(x) TI_CDOFF(ti_rx_std_ring[(x)]) 1021 #define TI_CDRXJUMBOOFF(x) TI_CDOFF(ti_rx_jumbo_ring[(x)]) 1022 #define TI_CDRXMINIOFF(x) TI_CDOFF(ti_rx_mini_ring[(x)]) 1023 #define TI_CDRXRTNOFF(x) TI_CDOFF(ti_rx_return_ring[(x)]) 1024 #define TI_CDEVENTOFF(x) TI_CDOFF(ti_event_ring[(x)]) 1025 #define TI_CDTXOFF(x) TI_CDOFF(ti_tx_ring[(x)]) 1026 #define TI_CDEVPRODOFF TI_CDOFF(ti_ev_prodidx_r) 1027 #define TI_CDRTNPRODOFF TI_CDOFF(ti_return_prodidx_r) 1028 #define TI_CDTXCONSOFF TI_CDOFF(ti_tx_considx_r) 1029 #define TI_CDGIBOFF TI_CDOFF(ti_info) 1030 #define TI_CDSTATSOFF TI_CDOFF(ti_info.ti_stats) 1031 1032 /* 1033 * Mbuf pointers. We need these to keep track of the virtual addresses 1034 * of our mbuf chains since we can only convert from physical to virtual, 1035 * not the other way around. 1036 */ 1037 struct ti_chain_data { 1038 struct mbuf *ti_tx_chain[TI_TX_RING_CNT]; 1039 struct mbuf *ti_rx_std_chain[TI_STD_RX_RING_CNT]; 1040 struct mbuf *ti_rx_jumbo_chain[TI_JUMBO_RX_RING_CNT]; 1041 struct mbuf *ti_rx_mini_chain[TI_MINI_RX_RING_CNT]; 1042 /* Stick the jumbo mem management stuff here too. */ 1043 void * ti_jslots[TI_JSLOTS]; 1044 void *ti_jumbo_buf; 1045 }; 1046 1047 struct ti_type { 1048 uint16_t ti_vid; 1049 uint16_t ti_did; 1050 const char *ti_name; 1051 }; 1052 1053 #define TI_HWREV_TIGON 0x01 1054 #define TI_HWREV_TIGON_II 0x02 1055 #define TI_TIMEOUT 1000 1056 #define TI_TXCONS_UNSET 0xFFFF /* impossible value */ 1057 1058 struct ti_mc_entry { 1059 struct ether_addr mc_addr; 1060 SIMPLEQ_ENTRY(ti_mc_entry) mc_entries; 1061 }; 1062 1063 struct ti_jpool_entry { 1064 int slot; 1065 SIMPLEQ_ENTRY(ti_jpool_entry) jpool_entries; 1066 }; 1067 1068 struct txdmamap_pool_entry { 1069 bus_dmamap_t dmamap; 1070 SIMPLEQ_ENTRY(txdmamap_pool_entry) link; 1071 }; 1072 1073 struct ti_softc { 1074 device_t sc_dev; 1075 struct ethercom ethercom; /* interface info */ 1076 bus_space_handle_t ti_bhandle; 1077 char *ti_vhandle; 1078 bus_space_tag_t ti_btag; 1079 void *ti_intrhand; 1080 1081 struct ifmedia ifmedia; /* media info */ 1082 1083 uint8_t ti_hwrev; /* Tigon rev (1 or 2) */ 1084 uint8_t ti_copper; /* 1000baseT card */ 1085 uint8_t ti_linkstat; /* Link state */ 1086 struct ti_ring_data *ti_rdata; /* rings */ 1087 #define ti_ev_prodidx ti_rdata->ti_ev_prodidx_r 1088 #define ti_return_prodidx ti_rdata->ti_return_prodidx_r 1089 #define ti_tx_considx ti_rdata->ti_tx_considx_r 1090 1091 struct ti_tx_desc *ti_tx_ring_nic;/* pointer to shared mem */ 1092 1093 struct ti_chain_data ti_cdata; /* mbufs */ 1094 1095 uint64_t ti_if_collisions; 1096 1097 /* 1098 * Function pointers to deal with Tigon 1 vs. Tigon 2 differences. 1099 */ 1100 int (*sc_tx_encap)(struct ti_softc *, 1101 struct mbuf *, uint32_t *); 1102 void (*sc_tx_eof)(struct ti_softc *); 1103 1104 uint16_t ti_tx_saved_considx; 1105 uint16_t ti_rx_saved_considx; 1106 uint16_t ti_ev_saved_considx; 1107 uint16_t ti_cmd_saved_prodidx; 1108 uint16_t ti_std; /* current std ring head */ 1109 uint16_t ti_mini; /* current mini ring head */ 1110 uint16_t ti_jumbo; /* current jumo ring head */ 1111 SIMPLEQ_HEAD(, ti_mc_entry) ti_mc_listhead; 1112 SIMPLEQ_HEAD(, ti_jpool_entry) ti_jfree_listhead; 1113 SIMPLEQ_HEAD(, ti_jpool_entry) ti_jinuse_listhead; 1114 uint32_t ti_stat_ticks; 1115 uint32_t ti_rx_coal_ticks; 1116 uint32_t ti_tx_coal_ticks; 1117 uint32_t ti_rx_max_coal_bds; 1118 uint32_t ti_tx_max_coal_bds; 1119 uint32_t ti_tx_buf_ratio; 1120 u_short ti_if_flags; 1121 int ti_txcnt; 1122 void *sc_ih; 1123 bus_dma_tag_t sc_dmat; 1124 bus_dmamap_t info_dmamap; /* holds ti_rdata */ 1125 uint32_t info_dmaaddr; /* XXX 64-bit PCI addresses? */ 1126 bus_dmamap_t jumbo_dmamap; 1127 uint32_t jumbo_dmaaddr; /* XXX 64-bit PCI addresses? */ 1128 bus_dmamap_t mini_dmamap[TI_MINI_RX_RING_CNT]; 1129 bus_dmamap_t std_dmamap[TI_STD_RX_RING_CNT]; 1130 SIMPLEQ_HEAD(, txdmamap_pool_entry) txdma_list; 1131 struct txdmamap_pool_entry *txdma[TI_TX_RING_CNT]; 1132 }; 1133 1134 #define TI_CDRXSTDADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXSTDOFF((x))) 1135 #define TI_CDRXJUMBOADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXJUMBOOFF((x))) 1136 #define TI_CDRXMINIADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXMINIOFF((x))) 1137 #define TI_CDRXRTNADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXRTNOFF((x))) 1138 #define TI_CDEVENTADDR(sc, x) ((sc)->info_dmaaddr + TI_CDEVENTOFF((x))) 1139 #define TI_CDTXADDR(sc, x) ((sc)->info_dmaaddr + TI_CDTXOFF((x))) 1140 #define TI_CDEVPRODADDR(sc) ((sc)->info_dmaaddr + TI_CDEVPRODOFF) 1141 #define TI_CDRTNPRODADDR(sc) ((sc)->info_dmaaddr + TI_CDRTNPRODOFF) 1142 #define TI_CDTXCONSADDR(sc) ((sc)->info_dmaaddr + TI_CDTXCONSOFF) 1143 #define TI_CDGIBADDR(sc) ((sc)->info_dmaaddr + TI_CDGIBOFF) 1144 #define TI_CDSTATSADDR(sc) ((sc)->info_dmaaddr + TI_CDSTATSOFF) 1145 1146 #define TI_CDRXSTDSYNC(sc, x, ops) \ 1147 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1148 TI_CDRXSTDOFF((x)), sizeof(struct ti_rx_desc), (ops)) 1149 1150 #define TI_CDRXJUMBOSYNC(sc, x, ops) \ 1151 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1152 TI_CDRXJUMBOOFF((x)), sizeof(struct ti_rx_desc), (ops)) 1153 1154 #define TI_CDRXMINISYNC(sc, x, ops) \ 1155 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1156 TI_CDRXMINIOFF((x)), sizeof(struct ti_rx_desc), (ops)) 1157 1158 #define TI_CDRXRTNSYNC(sc, x, ops) \ 1159 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1160 TI_CDRXRTNOFF((x)), sizeof(struct ti_rx_desc), (ops)) 1161 1162 #define TI_CDEVENTSYNC(sc, x, ops) \ 1163 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1164 TI_CDEVENTOFF((x)), sizeof(struct ti_event_desc), (ops)) 1165 1166 #define TI_CDTXSYNC(sc, x, n, ops) \ 1167 do { \ 1168 int __x, __n; \ 1169 \ 1170 __x = (x); \ 1171 __n = (n); \ 1172 \ 1173 /* If it will wrap around, sync to the end of the ring. */ \ 1174 if ((__x + __n) > TI_TX_RING_CNT) { \ 1175 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1176 TI_CDTXOFF(__x), sizeof(struct ti_tx_desc) * \ 1177 (TI_TX_RING_CNT - __x), (ops)); \ 1178 __n -= (TI_TX_RING_CNT - __x); \ 1179 __x = 0; \ 1180 } \ 1181 \ 1182 /* Now sync whatever is left. */ \ 1183 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1184 TI_CDTXOFF(__x), sizeof(struct ti_tx_desc) * (__n), (ops)); \ 1185 } while (/*CONSTCOND*/0) 1186 1187 #define TI_CEVPRODSYNC(sc, ops) \ 1188 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1189 TI_CDEVPRODOFF, sizeof(struct ti_producer), (ops)) 1190 1191 #define TI_CDRTNPRODSYNC(sc, ops) \ 1192 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1193 TI_CDRTNPRODOFF, sizeof(struct ti_producer), (ops)) 1194 1195 #define TI_CDTXCONSSYNC(sc, ops) \ 1196 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1197 TI_CDTXCONSOFF, sizeof(struct ti_producer), (ops)) 1198 1199 #define TI_CDGIBSYNC(sc, ops) \ 1200 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1201 TI_CDGIBOFF, sizeof(struct ti_gib), (ops)) 1202 1203 #define TI_CDSTATSSYNC(sc, ops) \ 1204 bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \ 1205 TI_CDSTATSOFF, sizeof(struct ti_stats), (ops)) 1206 1207 /* 1208 * Microchip Technology 24Cxx EEPROM control bytes 1209 */ 1210 #define EEPROM_CTL_READ 0xA1 /* 0101 0001 */ 1211 #define EEPROM_CTL_WRITE 0xA0 /* 0101 0000 */ 1212 1213 /* 1214 * Note that EEPROM_START leaves transmission enabled. 1215 */ 1216 #define EEPROM_START() do { \ 1217 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock pin high */\ 1218 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Set DATA bit to 1 */ \ 1219 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Enable xmit to write bit */\ 1220 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Pull DATA bit to 0 again */\ 1221 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock low again */ \ 1222 } while(0) 1223 1224 /* 1225 * EEPROM_STOP ends access to the EEPROM and clears the ETXEN bit so 1226 * that no further data can be written to the EEPROM I/O pin. 1227 */ 1228 #define EEPROM_STOP() do { \ 1229 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Disable xmit */ \ 1230 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Pull DATA to 0 */ \ 1231 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock high */ \ 1232 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Enable xmit */ \ 1233 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Toggle DATA to 1 */ \ 1234 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Disable xmit. */ \ 1235 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock low again */ \ 1236 } while(0) 1237