1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 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 35 /* 36 * Sundance PCI device/vendor ID for the 37 * ST201 chip. 38 */ 39 #define ST_VENDORID 0x13F0 40 #define ST_DEVICEID_ST201_1 0x0200 41 #define ST_DEVICEID_ST201_2 0x0201 42 43 /* 44 * D-Link PCI device/vendor ID for the DL10050[AB] chip 45 */ 46 #define DL_VENDORID 0x1186 47 #define DL_DEVICEID_DL10050 0x1002 48 49 /* 50 * Register definitions for the Sundance Technologies ST201 PCI 51 * fast ethernet controller. The register space is 128 bytes long and 52 * can be accessed using either PCI I/O space or PCI memory mapping. 53 * There are 32-bit, 16-bit and 8-bit registers. 54 */ 55 56 #define STE_DMACTL 0x00 57 #define STE_TX_DMALIST_PTR 0x04 58 #define STE_TX_DMABURST_THRESH 0x08 59 #define STE_TX_DMAURG_THRESH 0x09 60 #define STE_TX_DMAPOLL_PERIOD 0x0A 61 #define STE_RX_DMASTATUS 0x0C 62 #define STE_RX_DMALIST_PTR 0x10 63 #define STE_RX_DMABURST_THRESH 0x14 64 #define STE_RX_DMAURG_THRESH 0x15 65 #define STE_RX_DMAPOLL_PERIOD 0x16 66 #define STE_COUNTDOWN 0x18 67 #define STE_DEBUGCTL 0x1A 68 #define STE_ASICCTL 0x30 69 #define STE_EEPROM_DATA 0x34 70 #define STE_EEPROM_CTL 0x36 71 #define STE_FIFOCTL 0x3A 72 #define STE_TX_STARTTHRESH 0x3C 73 #define STE_RX_EARLYTHRESH 0x3E 74 #define STE_EXT_ROMADDR 0x40 75 #define STE_EXT_ROMDATA 0x44 76 #define STE_WAKE_EVENT 0x45 77 #define STE_TX_STATUS 0x46 78 #define STE_TX_FRAMEID 0x47 79 #define STE_ISR_ACK 0x4A 80 #define STE_IMR 0x4C 81 #define STE_ISR 0x4E 82 #define STE_MACCTL0 0x50 83 #define STE_MACCTL1 0x52 84 #define STE_PAR0 0x54 85 #define STE_PAR1 0x56 86 #define STE_PAR2 0x58 87 #define STE_MAX_FRAMELEN 0x5A 88 #define STE_RX_MODE 0x5C 89 #define STE_TX_RECLAIM_THRESH 0x5D 90 #define STE_PHYCTL 0x5E 91 #define STE_MAR0 0x60 92 #define STE_MAR1 0x62 93 #define STE_MAR2 0x64 94 #define STE_MAR3 0x66 95 96 #define STE_STAT_RX_OCTETS_LO 0x68 97 #define STE_STAT_RX_OCTETS_HI 0x6A 98 #define STE_STAT_TX_OCTETS_LO 0x6C 99 #define STE_STAT_TX_OCTETS_HI 0x6E 100 #define STE_STAT_TX_FRAMES 0x70 101 #define STE_STAT_RX_FRAMES 0x72 102 #define STE_STAT_CARRIER_ERR 0x74 103 #define STE_STAT_LATE_COLLS 0x75 104 #define STE_STAT_MULTI_COLLS 0x76 105 #define STE_STAT_SINGLE_COLLS 0x77 106 #define STE_STAT_TX_DEFER 0x78 107 #define STE_STAT_RX_LOST 0x79 108 #define STE_STAT_TX_EXDEFER 0x7A 109 #define STE_STAT_TX_ABORT 0x7B 110 #define STE_STAT_TX_BCAST 0x7C 111 #define STE_STAT_RX_BCAST 0x7D 112 #define STE_STAT_TX_MCAST 0x7E 113 #define STE_STAT_RX_MCAST 0x7F 114 115 #define STE_DMACTL_RXDMA_STOPPED 0x00000001 116 #define STE_DMACTL_TXDMA_CMPREQ 0x00000002 117 #define STE_DMACTL_TXDMA_STOPPED 0x00000004 118 #define STE_DMACTL_RXDMA_COMPLETE 0x00000008 119 #define STE_DMACTL_TXDMA_COMPLETE 0x00000010 120 #define STE_DMACTL_RXDMA_STALL 0x00000100 121 #define STE_DMACTL_RXDMA_UNSTALL 0x00000200 122 #define STE_DMACTL_TXDMA_STALL 0x00000400 123 #define STE_DMACTL_TXDMA_UNSTALL 0x00000800 124 #define STE_DMACTL_TXDMA_INPROG 0x00004000 125 #define STE_DMACTL_DMA_HALTINPROG 0x00008000 126 #define STE_DMACTL_RXEARLY_ENABLE 0x00020000 127 #define STE_DMACTL_COUNTDOWN_SPEED 0x00040000 128 #define STE_DMACTL_COUNTDOWN_MODE 0x00080000 129 #define STE_DMACTL_MWI_DISABLE 0x00100000 130 #define STE_DMACTL_RX_DISCARD_OFLOWS 0x00400000 131 #define STE_DMACTL_COUNTDOWN_ENABLE 0x00800000 132 #define STE_DMACTL_TARGET_ABORT 0x40000000 133 #define STE_DMACTL_MASTER_ABORT 0x80000000 134 135 /* 136 * TX DMA burst thresh is the number of 32-byte blocks that 137 * must be loaded into the TX Fifo before a TXDMA burst request 138 * will be issued. 139 */ 140 #define STE_TXDMABURST_THRESH 0x1F 141 142 /* 143 * The number of 32-byte blocks in the TX FIFO falls below the 144 * TX DMA urgent threshold, a TX DMA urgent request will be 145 * generated. 146 */ 147 #define STE_TXDMAURG_THRESH 0x3F 148 149 /* 150 * Number of 320ns intervals between polls of the TXDMA next 151 * descriptor pointer (if we're using polling mode). 152 */ 153 #define STE_TXDMA_POLL_PERIOD 0x7F 154 155 #define STE_RX_DMASTATUS_FRAMELEN 0x00001FFF 156 #define STE_RX_DMASTATUS_RXERR 0x00004000 157 #define STE_RX_DMASTATUS_DMADONE 0x00008000 158 #define STE_RX_DMASTATUS_FIFO_OFLOW 0x00010000 159 #define STE_RX_DMASTATUS_RUNT 0x00020000 160 #define STE_RX_DMASTATUS_ALIGNERR 0x00040000 161 #define STE_RX_DMASTATUS_CRCERR 0x00080000 162 #define STE_RX_DMASTATUS_GIANT 0x00100000 163 #define STE_RX_DMASTATUS_DRIBBLE 0x00800000 164 #define STE_RX_DMASTATUS_DMA_OFLOW 0x01000000 165 166 /* 167 * RX DMA burst thresh is the number of 32-byte blocks that 168 * must be present in the RX FIFO before a RXDMA bus master 169 * request will be issued. 170 */ 171 #define STE_RXDMABURST_THRESH 0xFF 172 173 /* 174 * The number of 32-byte blocks in the RX FIFO falls below the 175 * RX DMA urgent threshold, a RX DMA urgent request will be 176 * generated. 177 */ 178 #define STE_RXDMAURG_THRESH 0x1F 179 180 /* 181 * Number of 320ns intervals between polls of the RXDMA complete 182 * bit in the status field on the current RX descriptor (if we're 183 * using polling mode). 184 */ 185 #define STE_RXDMA_POLL_PERIOD 0x7F 186 187 #define STE_DEBUGCTL_GPIO0_CTL 0x0001 188 #define STE_DEBUGCTL_GPIO1_CTL 0x0002 189 #define STE_DEBUGCTL_GPIO0_DATA 0x0004 190 #define STE_DEBUGCTL_GPIO1_DATA 0x0008 191 192 #define STE_ASICCTL_ROMSIZE 0x00000002 193 #define STE_ASICCTL_TX_LARGEPKTS 0x00000004 194 #define STE_ASICCTL_RX_LARGEPKTS 0x00000008 195 #define STE_ASICCTL_EXTROM_DISABLE 0x00000010 196 #define STE_ASICCTL_PHYSPEED_10 0x00000020 197 #define STE_ASICCTL_PHYSPEED_100 0x00000040 198 #define STE_ASICCTL_PHYMEDIA 0x00000080 199 #define STE_ASICCTL_FORCEDCONFIG 0x00000700 200 #define STE_ASICCTL_D3RESET_DISABLE 0x00000800 201 #define STE_ASICCTL_SPEEDUPMODE 0x00002000 202 #define STE_ASICCTL_LEDMODE 0x00004000 203 #define STE_ASICCTL_RSTOUT_POLARITY 0x00008000 204 #define STE_ASICCTL_GLOBAL_RESET 0x00010000 205 #define STE_ASICCTL_RX_RESET 0x00020000 206 #define STE_ASICCTL_TX_RESET 0x00040000 207 #define STE_ASICCTL_DMA_RESET 0x00080000 208 #define STE_ASICCTL_FIFO_RESET 0x00100000 209 #define STE_ASICCTL_NETWORK_RESET 0x00200000 210 #define STE_ASICCTL_HOST_RESET 0x00400000 211 #define STE_ASICCTL_AUTOINIT_RESET 0x00800000 212 #define STE_ASICCTL_EXTRESET_RESET 0x01000000 213 #define STE_ASICCTL_SOFTINTR 0x02000000 214 #define STE_ASICCTL_RESET_BUSY 0x04000000 215 216 #define STE_EECTL_ADDR 0x00FF 217 #define STE_EECTL_OPCODE 0x0300 218 #define STE_EECTL_BUSY 0x1000 219 220 #define STE_EEOPCODE_WRITE 0x0100 221 #define STE_EEOPCODE_READ 0x0200 222 #define STE_EEOPCODE_ERASE 0x0300 223 224 #define STE_FIFOCTL_RAMTESTMODE 0x0001 225 #define STE_FIFOCTL_OVERRUNMODE 0x0200 226 #define STE_FIFOCTL_RXFIFOFULL 0x0800 227 #define STE_FIFOCTL_TX_BUSY 0x4000 228 #define STE_FIFOCTL_RX_BUSY 0x8000 229 230 /* 231 * The number of bytes that must in present in the TX FIFO before 232 * transmission begins. Value should be in increments of 4 bytes. 233 */ 234 #define STE_TXSTART_THRESH 0x1FFC 235 236 /* 237 * Number of bytes that must be present in the RX FIFO before 238 * an RX EARLY interrupt is generated. 239 */ 240 #define STE_RXEARLY_THRESH 0x1FFC 241 242 #define STE_WAKEEVENT_WAKEPKT_ENB 0x01 243 #define STE_WAKEEVENT_MAGICPKT_ENB 0x02 244 #define STE_WAKEEVENT_LINKEVT_ENB 0x04 245 #define STE_WAKEEVENT_WAKEPOLARITY 0x08 246 #define STE_WAKEEVENT_WAKEPKTEVENT 0x10 247 #define STE_WAKEEVENT_MAGICPKTEVENT 0x20 248 #define STE_WAKEEVENT_LINKEVENT 0x40 249 #define STE_WAKEEVENT_WAKEONLAN_ENB 0x80 250 251 #define STE_TXSTATUS_RECLAIMERR 0x02 252 #define STE_TXSTATUS_STATSOFLOW 0x04 253 #define STE_TXSTATUS_EXCESSCOLLS 0x08 254 #define STE_TXSTATUS_UNDERRUN 0x10 255 #define STE_TXSTATUS_TXINTR_REQ 0x40 256 #define STE_TXSTATUS_TXDONE 0x80 257 258 #define STE_ERR_BITS "\20" \ 259 "\2RECLAIM\3STSOFLOW" \ 260 "\4EXCESSCOLLS\5UNDERRUN" \ 261 "\6INTREQ\7DONE" 262 263 #define STE_ISRACK_INTLATCH 0x0001 264 #define STE_ISRACK_HOSTERR 0x0002 265 #define STE_ISRACK_TX_DONE 0x0004 266 #define STE_ISRACK_MACCTL_FRAME 0x0008 267 #define STE_ISRACK_RX_DONE 0x0010 268 #define STE_ISRACK_RX_EARLY 0x0020 269 #define STE_ISRACK_SOFTINTR 0x0040 270 #define STE_ISRACK_STATS_OFLOW 0x0080 271 #define STE_ISRACK_LINKEVENT 0x0100 272 #define STE_ISRACK_TX_DMADONE 0x0200 273 #define STE_ISRACK_RX_DMADONE 0x0400 274 275 #define STE_IMR_HOSTERR 0x0002 276 #define STE_IMR_TX_DONE 0x0004 277 #define STE_IMR_MACCTL_FRAME 0x0008 278 #define STE_IMR_RX_DONE 0x0010 279 #define STE_IMR_RX_EARLY 0x0020 280 #define STE_IMR_SOFTINTR 0x0040 281 #define STE_IMR_STATS_OFLOW 0x0080 282 #define STE_IMR_LINKEVENT 0x0100 283 #define STE_IMR_TX_DMADONE 0x0200 284 #define STE_IMR_RX_DMADONE 0x0400 285 286 #define STE_INTRS \ 287 (STE_IMR_RX_DMADONE|STE_IMR_TX_DMADONE| \ 288 STE_IMR_TX_DONE|STE_IMR_SOFTINTR| \ 289 STE_IMR_HOSTERR) 290 291 #define STE_ISR_INTLATCH 0x0001 292 #define STE_ISR_HOSTERR 0x0002 293 #define STE_ISR_TX_DONE 0x0004 294 #define STE_ISR_MACCTL_FRAME 0x0008 295 #define STE_ISR_RX_DONE 0x0010 296 #define STE_ISR_RX_EARLY 0x0020 297 #define STE_ISR_SOFTINTR 0x0040 298 #define STE_ISR_STATS_OFLOW 0x0080 299 #define STE_ISR_LINKEVENT 0x0100 300 #define STE_ISR_TX_DMADONE 0x0200 301 #define STE_ISR_RX_DMADONE 0x0400 302 303 /* 304 * Note: the Sundance manual gives the impression that the's 305 * only one 32-bit MACCTL register. In fact, there are two 306 * 16-bit registers side by side, and you have to access them 307 * separately. 308 */ 309 #define STE_MACCTL0_IPG 0x0003 310 #define STE_MACCTL0_FULLDUPLEX 0x0020 311 #define STE_MACCTL0_RX_GIANTS 0x0040 312 #define STE_MACCTL0_FLOWCTL_ENABLE 0x0100 313 #define STE_MACCTL0_RX_FCS 0x0200 314 #define STE_MACCTL0_FIFOLOOPBK 0x0400 315 #define STE_MACCTL0_MACLOOPBK 0x0800 316 317 #define STE_MACCTL1_COLLDETECT 0x0001 318 #define STE_MACCTL1_CARRSENSE 0x0002 319 #define STE_MACCTL1_TX_BUSY 0x0004 320 #define STE_MACCTL1_TX_ERROR 0x0008 321 #define STE_MACCTL1_STATS_ENABLE 0x0020 322 #define STE_MACCTL1_STATS_DISABLE 0x0040 323 #define STE_MACCTL1_STATS_ENABLED 0x0080 324 #define STE_MACCTL1_TX_ENABLE 0x0100 325 #define STE_MACCTL1_TX_DISABLE 0x0200 326 #define STE_MACCTL1_TX_ENABLED 0x0400 327 #define STE_MACCTL1_RX_ENABLE 0x0800 328 #define STE_MACCTL1_RX_DISABLE 0x1000 329 #define STE_MACCTL1_RX_ENABLED 0x2000 330 #define STE_MACCTL1_PAUSED 0x4000 331 332 #define STE_IPG_96BT 0x00000000 333 #define STE_IPG_128BT 0x00000001 334 #define STE_IPG_224BT 0x00000002 335 #define STE_IPG_544BT 0x00000003 336 337 #define STE_RXMODE_UNICAST 0x01 338 #define STE_RXMODE_ALLMULTI 0x02 339 #define STE_RXMODE_BROADCAST 0x04 340 #define STE_RXMODE_PROMISC 0x08 341 #define STE_RXMODE_MULTIHASH 0x10 342 #define STE_RXMODE_ALLIPMULTI 0x20 343 344 #define STE_PHYCTL_MCLK 0x01 345 #define STE_PHYCTL_MDATA 0x02 346 #define STE_PHYCTL_MDIR 0x04 347 #define STE_PHYCTL_CLK25_DISABLE 0x08 348 #define STE_PHYCTL_DUPLEXPOLARITY 0x10 349 #define STE_PHYCTL_DUPLEXSTAT 0x20 350 #define STE_PHYCTL_SPEEDSTAT 0x40 351 #define STE_PHYCTL_LINKSTAT 0x80 352 353 #define STE_TIMER_TICKS 32 354 #define STE_TIMER_USECS(x) ((x * 10) / STE_TIMER_TICKS) 355 356 #define STE_IM_RX_TIMER_MIN 0 357 #define STE_IM_RX_TIMER_MAX 209712 358 #define STE_IM_RX_TIMER_DEFAULT 150 359 360 /* 361 * EEPROM offsets. 362 */ 363 #define STE_EEADDR_CONFIGPARM 0x00 364 #define STE_EEADDR_ASICCTL 0x02 365 #define STE_EEADDR_SUBSYS_ID 0x04 366 #define STE_EEADDR_SUBVEN_ID 0x08 367 368 #define STE_EEADDR_NODE0 0x10 369 #define STE_EEADDR_NODE1 0x12 370 #define STE_EEADDR_NODE2 0x14 371 372 /* PCI registers */ 373 #define STE_PCI_VENDOR_ID 0x00 374 #define STE_PCI_DEVICE_ID 0x02 375 #define STE_PCI_COMMAND 0x04 376 #define STE_PCI_STATUS 0x06 377 #define STE_PCI_CLASSCODE 0x09 378 #define STE_PCI_LATENCY_TIMER 0x0D 379 #define STE_PCI_HEADER_TYPE 0x0E 380 #define STE_PCI_LOIO 0x10 381 #define STE_PCI_LOMEM 0x14 382 #define STE_PCI_BIOSROM 0x30 383 #define STE_PCI_INTLINE 0x3C 384 #define STE_PCI_INTPIN 0x3D 385 #define STE_PCI_MINGNT 0x3E 386 #define STE_PCI_MINLAT 0x0F 387 388 #define STE_PCI_CAPID 0x50 /* 8 bits */ 389 #define STE_PCI_NEXTPTR 0x51 /* 8 bits */ 390 #define STE_PCI_PWRMGMTCAP 0x52 /* 16 bits */ 391 #define STE_PCI_PWRMGMTCTRL 0x54 /* 16 bits */ 392 393 #define STE_PSTATE_MASK 0x0003 394 #define STE_PSTATE_D0 0x0000 395 #define STE_PSTATE_D1 0x0002 396 #define STE_PSTATE_D2 0x0002 397 #define STE_PSTATE_D3 0x0003 398 #define STE_PME_EN 0x0010 399 #define STE_PME_STATUS 0x8000 400 401 struct ste_hw_stats { 402 uint64_t rx_bytes; 403 uint32_t rx_frames; 404 uint32_t rx_bcast_frames; 405 uint32_t rx_mcast_frames; 406 uint32_t rx_lost_frames; 407 uint64_t tx_bytes; 408 uint32_t tx_frames; 409 uint32_t tx_bcast_frames; 410 uint32_t tx_mcast_frames; 411 uint32_t tx_carrsense_errs; 412 uint32_t tx_single_colls; 413 uint32_t tx_multi_colls; 414 uint32_t tx_late_colls; 415 uint32_t tx_frames_defered; 416 uint32_t tx_excess_defers; 417 uint32_t tx_abort; 418 }; 419 420 struct ste_frag { 421 uint32_t ste_addr; 422 uint32_t ste_len; 423 }; 424 425 #define STE_FRAG_LAST 0x80000000 426 #define STE_FRAG_LEN 0x00001FFF 427 428 /* 429 * A TFD is 16 to 512 bytes in length which means it can have up to 126 430 * fragments for a single Tx frame. Since most frames used in stack have 431 * 3-4 fragments supporting 8 fragments would be enough for normal 432 * operation. If we encounter more than 8 fragments we'll collapse them 433 * into a frame that has less than or equal to 8 fragments. Each buffer 434 * address of a fragment has no alignment limitation. 435 */ 436 #define STE_MAXFRAGS 8 437 438 struct ste_desc { 439 uint32_t ste_next; 440 uint32_t ste_ctl; 441 struct ste_frag ste_frags[STE_MAXFRAGS]; 442 }; 443 444 /* 445 * A RFD has the same structure of TFD which in turn means hardware 446 * supports scatter operation in Rx buffer. Since we just allocate Rx 447 * buffer with m_getcl(9) there is no fragmentation at all so use 448 * single fragment for RFD. 449 */ 450 struct ste_desc_onefrag { 451 uint32_t ste_next; 452 uint32_t ste_status; 453 struct ste_frag ste_frag; 454 }; 455 456 #define STE_TXCTL_WORDALIGN 0x00000003 457 #define STE_TXCTL_ALIGN_DIS 0x00000001 458 #define STE_TXCTL_FRAMEID 0x000003FC 459 #define STE_TXCTL_NOCRC 0x00002000 460 #define STE_TXCTL_TXINTR 0x00008000 461 #define STE_TXCTL_DMADONE 0x00010000 462 #define STE_TXCTL_DMAINTR 0x80000000 463 464 #define STE_RXSTAT_FRAMELEN 0x00001FFF 465 #define STE_RXSTAT_FRAME_ERR 0x00004000 466 #define STE_RXSTAT_DMADONE 0x00008000 467 #define STE_RXSTAT_FIFO_OFLOW 0x00010000 468 #define STE_RXSTAT_RUNT 0x00020000 469 #define STE_RXSTAT_ALIGNERR 0x00040000 470 #define STE_RXSTAT_CRCERR 0x00080000 471 #define STE_RXSTAT_GIANT 0x00100000 472 #define STE_RXSTAT_DRIBBLEBITS 0x00800000 473 #define STE_RXSTAT_DMA_OFLOW 0x01000000 474 #define STE_RXATAT_ONEBUF 0x10000000 475 476 #define STE_RX_BYTES(x) ((x) & STE_RXSTAT_FRAMELEN) 477 478 /* 479 * register space access macros 480 */ 481 #define CSR_WRITE_4(sc, reg, val) \ 482 bus_write_4((sc)->ste_res, reg, val) 483 #define CSR_WRITE_2(sc, reg, val) \ 484 bus_write_2((sc)->ste_res, reg, val) 485 #define CSR_WRITE_1(sc, reg, val) \ 486 bus_write_1((sc)->ste_res, reg, val) 487 488 #define CSR_READ_4(sc, reg) \ 489 bus_read_4((sc)->ste_res, reg) 490 #define CSR_READ_2(sc, reg) \ 491 bus_read_2((sc)->ste_res, reg) 492 #define CSR_READ_1(sc, reg) \ 493 bus_read_1((sc)->ste_res, reg) 494 495 #define CSR_BARRIER(sc, reg, length, flags) \ 496 bus_barrier((sc)->ste_res, reg, length, flags) 497 498 #define STE_DESC_ALIGN 8 499 #define STE_RX_LIST_CNT 128 500 #define STE_TX_LIST_CNT 128 501 #define STE_RX_LIST_SZ \ 502 (sizeof(struct ste_desc_onefrag) * STE_RX_LIST_CNT) 503 #define STE_TX_LIST_SZ \ 504 (sizeof(struct ste_desc) * STE_TX_LIST_CNT) 505 #define STE_ADDR_LO(x) ((uint64_t)(x) & 0xFFFFFFFF) 506 #define STE_ADDR_HI(x) ((uint64_t)(x) >> 32) 507 508 /* 509 * Since Tx status can hold up to 31 status bytes we should 510 * check Tx status before controller fills it up. Otherwise 511 * Tx MAC stalls. 512 */ 513 #define STE_TX_INTR_FRAMES 16 514 #define STE_TX_TIMEOUT 5 515 #define STE_TIMEOUT 1000 516 #define STE_MIN_FRAMELEN 60 517 #define STE_PACKET_SIZE 1536 518 #define STE_INC(x, y) (x) = (x + 1) % y 519 #define STE_DEC(x, y) (x) = ((x) + ((y) - 1)) % (y) 520 #define STE_NEXT(x, y) (x + 1) % y 521 522 struct ste_type { 523 uint16_t ste_vid; 524 uint16_t ste_did; 525 const char *ste_name; 526 }; 527 528 struct ste_list_data { 529 struct ste_desc_onefrag *ste_rx_list; 530 bus_addr_t ste_rx_list_paddr; 531 struct ste_desc *ste_tx_list; 532 bus_addr_t ste_tx_list_paddr; 533 }; 534 535 struct ste_chain { 536 struct ste_desc *ste_ptr; 537 struct mbuf *ste_mbuf; 538 struct ste_chain *ste_next; 539 uint32_t ste_phys; 540 bus_dmamap_t ste_map; 541 }; 542 543 struct ste_chain_onefrag { 544 struct ste_desc_onefrag *ste_ptr; 545 struct mbuf *ste_mbuf; 546 struct ste_chain_onefrag *ste_next; 547 bus_dmamap_t ste_map; 548 }; 549 550 struct ste_chain_data { 551 bus_dma_tag_t ste_parent_tag; 552 bus_dma_tag_t ste_rx_tag; 553 bus_dma_tag_t ste_tx_tag; 554 bus_dma_tag_t ste_rx_list_tag; 555 bus_dmamap_t ste_rx_list_map; 556 bus_dma_tag_t ste_tx_list_tag; 557 bus_dmamap_t ste_tx_list_map; 558 bus_dmamap_t ste_rx_sparemap; 559 struct ste_chain_onefrag ste_rx_chain[STE_RX_LIST_CNT]; 560 struct ste_chain ste_tx_chain[STE_TX_LIST_CNT]; 561 struct ste_chain_onefrag *ste_rx_head; 562 struct ste_chain *ste_last_tx; 563 int ste_tx_prod; 564 int ste_tx_cons; 565 int ste_tx_cnt; 566 }; 567 568 struct ste_softc { 569 if_t ste_ifp; 570 struct resource *ste_res; 571 int ste_res_id; 572 int ste_res_type; 573 struct resource *ste_irq; 574 void *ste_intrhand; 575 struct ste_type *ste_info; 576 device_t ste_miibus; 577 device_t ste_dev; 578 int ste_tx_thresh; 579 int ste_flags; 580 #define STE_FLAG_ONE_PHY 0x0001 581 #define STE_FLAG_LINK 0x8000 582 int ste_if_flags; 583 int ste_timer; 584 int ste_int_rx_act; 585 int ste_int_rx_mod; 586 struct ste_list_data ste_ldata; 587 struct ste_chain_data ste_cdata; 588 struct callout ste_callout; 589 struct ste_hw_stats ste_stats; 590 struct mtx ste_mtx; 591 }; 592 593 #define STE_LOCK(_sc) mtx_lock(&(_sc)->ste_mtx) 594 #define STE_UNLOCK(_sc) mtx_unlock(&(_sc)->ste_mtx) 595 #define STE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->ste_mtx, MA_OWNED) 596