1 /*- 2 * Copyright (c) 1997, 1998, 1999 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 * $FreeBSD$ 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_DEBUGCTL 0x1A 67 #define STE_ASICCTL 0x30 68 #define STE_EEPROM_DATA 0x34 69 #define STE_EEPROM_CTL 0x36 70 #define STE_FIFOCTL 0x3A 71 #define STE_TX_STARTTHRESH 0x3C 72 #define STE_RX_EARLYTHRESH 0x3E 73 #define STE_EXT_ROMADDR 0x40 74 #define STE_EXT_ROMDATA 0x44 75 #define STE_WAKE_EVENT 0x45 76 #define STE_TX_STATUS 0x46 77 #define STE_TX_FRAMEID 0x47 78 #define STE_COUNTDOWN 0x48 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 #define STE_STATS 0x68 96 97 #define STE_LATE_COLLS 0x75 98 #define STE_MULTI_COLLS 0x76 99 #define STE_SINGLE_COLLS 0x77 100 101 #define STE_DMACTL_RXDMA_STOPPED 0x00000001 102 #define STE_DMACTL_TXDMA_CMPREQ 0x00000002 103 #define STE_DMACTL_TXDMA_STOPPED 0x00000004 104 #define STE_DMACTL_RXDMA_COMPLETE 0x00000008 105 #define STE_DMACTL_TXDMA_COMPLETE 0x00000010 106 #define STE_DMACTL_RXDMA_STALL 0x00000100 107 #define STE_DMACTL_RXDMA_UNSTALL 0x00000200 108 #define STE_DMACTL_TXDMA_STALL 0x00000400 109 #define STE_DMACTL_TXDMA_UNSTALL 0x00000800 110 #define STE_DMACTL_TXDMA_INPROG 0x00004000 111 #define STE_DMACTL_DMA_HALTINPROG 0x00008000 112 #define STE_DMACTL_RXEARLY_ENABLE 0x00020000 113 #define STE_DMACTL_COUNTDOWN_SPEED 0x00040000 114 #define STE_DMACTL_COUNTDOWN_MODE 0x00080000 115 #define STE_DMACTL_MWI_DISABLE 0x00100000 116 #define STE_DMACTL_RX_DISCARD_OFLOWS 0x00400000 117 #define STE_DMACTL_COUNTDOWN_ENABLE 0x00800000 118 #define STE_DMACTL_TARGET_ABORT 0x40000000 119 #define STE_DMACTL_MASTER_ABORT 0x80000000 120 121 /* 122 * TX DMA burst thresh is the number of 32-byte blocks that 123 * must be loaded into the TX Fifo before a TXDMA burst request 124 * will be issued. 125 */ 126 #define STE_TXDMABURST_THRESH 0x1F 127 128 /* 129 * The number of 32-byte blocks in the TX FIFO falls below the 130 * TX DMA urgent threshold, a TX DMA urgent request will be 131 * generated. 132 */ 133 #define STE_TXDMAURG_THRESH 0x3F 134 135 /* 136 * Number of 320ns intervals between polls of the TXDMA next 137 * descriptor pointer (if we're using polling mode). 138 */ 139 #define STE_TXDMA_POLL_PERIOD 0x7F 140 141 #define STE_RX_DMASTATUS_FRAMELEN 0x00001FFF 142 #define STE_RX_DMASTATUS_RXERR 0x00004000 143 #define STE_RX_DMASTATUS_DMADONE 0x00008000 144 #define STE_RX_DMASTATUS_FIFO_OFLOW 0x00010000 145 #define STE_RX_DMASTATUS_RUNT 0x00020000 146 #define STE_RX_DMASTATUS_ALIGNERR 0x00040000 147 #define STE_RX_DMASTATUS_CRCERR 0x00080000 148 #define STE_RX_DMASTATUS_GIANT 0x00100000 149 #define STE_RX_DMASTATUS_DRIBBLE 0x00800000 150 #define STE_RX_DMASTATUS_DMA_OFLOW 0x01000000 151 152 /* 153 * RX DMA burst thresh is the number of 32-byte blocks that 154 * must be present in the RX FIFO before a RXDMA bus master 155 * request will be issued. 156 */ 157 #define STE_RXDMABURST_THRESH 0xFF 158 159 /* 160 * The number of 32-byte blocks in the RX FIFO falls below the 161 * RX DMA urgent threshold, a RX DMA urgent request will be 162 * generated. 163 */ 164 #define STE_RXDMAURG_THRESH 0x1F 165 166 /* 167 * Number of 320ns intervals between polls of the RXDMA complete 168 * bit in the status field on the current RX descriptor (if we're 169 * using polling mode). 170 */ 171 #define STE_RXDMA_POLL_PERIOD 0x7F 172 173 #define STE_DEBUGCTL_GPIO0_CTL 0x0001 174 #define STE_DEBUGCTL_GPIO1_CTL 0x0002 175 #define STE_DEBUGCTL_GPIO0_DATA 0x0004 176 #define STE_DEBUGCTL_GPIO1_DATA 0x0008 177 178 #define STE_ASICCTL_ROMSIZE 0x00000002 179 #define STE_ASICCTL_TX_LARGEPKTS 0x00000004 180 #define STE_ASICCTL_RX_LARGEPKTS 0x00000008 181 #define STE_ASICCTL_EXTROM_DISABLE 0x00000010 182 #define STE_ASICCTL_PHYSPEED_10 0x00000020 183 #define STE_ASICCTL_PHYSPEED_100 0x00000040 184 #define STE_ASICCTL_PHYMEDIA 0x00000080 185 #define STE_ASICCTL_FORCEDCONFIG 0x00000700 186 #define STE_ASICCTL_D3RESET_DISABLE 0x00000800 187 #define STE_ASICCTL_SPEEDUPMODE 0x00002000 188 #define STE_ASICCTL_LEDMODE 0x00004000 189 #define STE_ASICCTL_RSTOUT_POLARITY 0x00008000 190 #define STE_ASICCTL_GLOBAL_RESET 0x00010000 191 #define STE_ASICCTL_RX_RESET 0x00020000 192 #define STE_ASICCTL_TX_RESET 0x00040000 193 #define STE_ASICCTL_DMA_RESET 0x00080000 194 #define STE_ASICCTL_FIFO_RESET 0x00100000 195 #define STE_ASICCTL_NETWORK_RESET 0x00200000 196 #define STE_ASICCTL_HOST_RESET 0x00400000 197 #define STE_ASICCTL_AUTOINIT_RESET 0x00800000 198 #define STE_ASICCTL_EXTRESET_RESET 0x01000000 199 #define STE_ASICCTL_SOFTINTR 0x02000000 200 #define STE_ASICCTL_RESET_BUSY 0x04000000 201 202 #define STE_ASICCTL1_GLOBAL_RESET 0x0001 203 #define STE_ASICCTL1_RX_RESET 0x0002 204 #define STE_ASICCTL1_TX_RESET 0x0004 205 #define STE_ASICCTL1_DMA_RESET 0x0008 206 #define STE_ASICCTL1_FIFO_RESET 0x0010 207 #define STE_ASICCTL1_NETWORK_RESET 0x0020 208 #define STE_ASICCTL1_HOST_RESET 0x0040 209 #define STE_ASICCTL1_AUTOINIT_RESET 0x0080 210 #define STE_ASICCTL1_EXTRESET_RESET 0x0100 211 #define STE_ASICCTL1_SOFTINTR 0x0200 212 #define STE_ASICCTL1_RESET_BUSY 0x0400 213 214 #define STE_EECTL_ADDR 0x00FF 215 #define STE_EECTL_OPCODE 0x0300 216 #define STE_EECTL_BUSY 0x1000 217 218 #define STE_EEOPCODE_WRITE 0x0100 219 #define STE_EEOPCODE_READ 0x0200 220 #define STE_EEOPCODE_ERASE 0x0300 221 222 #define STE_FIFOCTL_RAMTESTMODE 0x0001 223 #define STE_FIFOCTL_OVERRUNMODE 0x0200 224 #define STE_FIFOCTL_RXFIFOFULL 0x0800 225 #define STE_FIFOCTL_TX_BUSY 0x4000 226 #define STE_FIFOCTL_RX_BUSY 0x8000 227 228 /* 229 * The number of bytes that must in present in the TX FIFO before 230 * transmission begins. Value should be in increments of 4 bytes. 231 */ 232 #define STE_TXSTART_THRESH 0x1FFC 233 234 /* 235 * Number of bytes that must be present in the RX FIFO before 236 * an RX EARLY interrupt is generated. 237 */ 238 #define STE_RXEARLY_THRESH 0x1FFC 239 240 #define STE_WAKEEVENT_WAKEPKT_ENB 0x01 241 #define STE_WAKEEVENT_MAGICPKT_ENB 0x02 242 #define STE_WAKEEVENT_LINKEVT_ENB 0x04 243 #define STE_WAKEEVENT_WAKEPOLARITY 0x08 244 #define STE_WAKEEVENT_WAKEPKTEVENT 0x10 245 #define STE_WAKEEVENT_MAGICPKTEVENT 0x20 246 #define STE_WAKEEVENT_LINKEVENT 0x40 247 #define STE_WAKEEVENT_WAKEONLAN_ENB 0x80 248 249 #define STE_TXSTATUS_RECLAIMERR 0x02 250 #define STE_TXSTATUS_STATSOFLOW 0x04 251 #define STE_TXSTATUS_EXCESSCOLLS 0x08 252 #define STE_TXSTATUS_UNDERRUN 0x10 253 #define STE_TXSTATUS_TXINTR_REQ 0x40 254 #define STE_TXSTATUS_TXDONE 0x80 255 256 #define STE_ISRACK_INTLATCH 0x0001 257 #define STE_ISRACK_HOSTERR 0x0002 258 #define STE_ISRACK_TX_DONE 0x0004 259 #define STE_ISRACK_MACCTL_FRAME 0x0008 260 #define STE_ISRACK_RX_DONE 0x0010 261 #define STE_ISRACK_RX_EARLY 0x0020 262 #define STE_ISRACK_SOFTINTR 0x0040 263 #define STE_ISRACK_STATS_OFLOW 0x0080 264 #define STE_ISRACK_LINKEVENT 0x0100 265 #define STE_ISRACK_TX_DMADONE 0x0200 266 #define STE_ISRACK_RX_DMADONE 0x0400 267 268 #define STE_IMR_HOSTERR 0x0002 269 #define STE_IMR_TX_DONE 0x0004 270 #define STE_IMR_MACCTL_FRAME 0x0008 271 #define STE_IMR_RX_DONE 0x0010 272 #define STE_IMR_RX_EARLY 0x0020 273 #define STE_IMR_SOFTINTR 0x0040 274 #define STE_IMR_STATS_OFLOW 0x0080 275 #define STE_IMR_LINKEVENT 0x0100 276 #define STE_IMR_TX_DMADONE 0x0200 277 #define STE_IMR_RX_DMADONE 0x0400 278 279 #define STE_INTRS \ 280 (STE_IMR_RX_DMADONE|STE_IMR_TX_DMADONE| \ 281 STE_IMR_TX_DONE|STE_IMR_HOSTERR| \ 282 STE_IMR_LINKEVENT) 283 284 #define STE_ISR_INTLATCH 0x0001 285 #define STE_ISR_HOSTERR 0x0002 286 #define STE_ISR_TX_DONE 0x0004 287 #define STE_ISR_MACCTL_FRAME 0x0008 288 #define STE_ISR_RX_DONE 0x0010 289 #define STE_ISR_RX_EARLY 0x0020 290 #define STE_ISR_SOFTINTR 0x0040 291 #define STE_ISR_STATS_OFLOW 0x0080 292 #define STE_ISR_LINKEVENT 0x0100 293 #define STE_ISR_TX_DMADONE 0x0200 294 #define STE_ISR_RX_DMADONE 0x0400 295 296 /* 297 * Note: the Sundance manual gives the impression that the's 298 * only one 32-bit MACCTL register. In fact, there are two 299 * 16-bit registers side by side, and you have to access them 300 * separately. 301 */ 302 #define STE_MACCTL0_IPG 0x0003 303 #define STE_MACCTL0_FULLDUPLEX 0x0020 304 #define STE_MACCTL0_RX_GIANTS 0x0040 305 #define STE_MACCTL0_FLOWCTL_ENABLE 0x0100 306 #define STE_MACCTL0_RX_FCS 0x0200 307 #define STE_MACCTL0_FIFOLOOPBK 0x0400 308 #define STE_MACCTL0_MACLOOPBK 0x0800 309 310 #define STE_MACCTL1_COLLDETECT 0x0001 311 #define STE_MACCTL1_CARRSENSE 0x0002 312 #define STE_MACCTL1_TX_BUSY 0x0004 313 #define STE_MACCTL1_TX_ERROR 0x0008 314 #define STE_MACCTL1_STATS_ENABLE 0x0020 315 #define STE_MACCTL1_STATS_DISABLE 0x0040 316 #define STE_MACCTL1_STATS_ENABLED 0x0080 317 #define STE_MACCTL1_TX_ENABLE 0x0100 318 #define STE_MACCTL1_TX_DISABLE 0x0200 319 #define STE_MACCTL1_TX_ENABLED 0x0400 320 #define STE_MACCTL1_RX_ENABLE 0x0800 321 #define STE_MACCTL1_RX_DISABLE 0x1000 322 #define STE_MACCTL1_RX_ENABLED 0x2000 323 #define STE_MACCTL1_PAUSED 0x4000 324 325 #define STE_IPG_96BT 0x00000000 326 #define STE_IPG_128BT 0x00000001 327 #define STE_IPG_224BT 0x00000002 328 #define STE_IPG_544BT 0x00000003 329 330 #define STE_RXMODE_UNICAST 0x01 331 #define STE_RXMODE_ALLMULTI 0x02 332 #define STE_RXMODE_BROADCAST 0x04 333 #define STE_RXMODE_PROMISC 0x08 334 #define STE_RXMODE_MULTIHASH 0x10 335 #define STE_RXMODE_ALLIPMULTI 0x20 336 337 #define STE_PHYCTL_MCLK 0x01 338 #define STE_PHYCTL_MDATA 0x02 339 #define STE_PHYCTL_MDIR 0x04 340 #define STE_PHYCTL_CLK25_DISABLE 0x08 341 #define STE_PHYCTL_DUPLEXPOLARITY 0x10 342 #define STE_PHYCTL_DUPLEXSTAT 0x20 343 #define STE_PHYCTL_SPEEDSTAT 0x40 344 #define STE_PHYCTL_LINKSTAT 0x80 345 346 /* 347 * EEPROM offsets. 348 */ 349 #define STE_EEADDR_CONFIGPARM 0x00 350 #define STE_EEADDR_ASICCTL 0x02 351 #define STE_EEADDR_SUBSYS_ID 0x04 352 #define STE_EEADDR_SUBVEN_ID 0x08 353 354 #define STE_EEADDR_NODE0 0x10 355 #define STE_EEADDR_NODE1 0x12 356 #define STE_EEADDR_NODE2 0x14 357 358 /* PCI registers */ 359 #define STE_PCI_VENDOR_ID 0x00 360 #define STE_PCI_DEVICE_ID 0x02 361 #define STE_PCI_COMMAND 0x04 362 #define STE_PCI_STATUS 0x06 363 #define STE_PCI_CLASSCODE 0x09 364 #define STE_PCI_LATENCY_TIMER 0x0D 365 #define STE_PCI_HEADER_TYPE 0x0E 366 #define STE_PCI_LOIO 0x10 367 #define STE_PCI_LOMEM 0x14 368 #define STE_PCI_BIOSROM 0x30 369 #define STE_PCI_INTLINE 0x3C 370 #define STE_PCI_INTPIN 0x3D 371 #define STE_PCI_MINGNT 0x3E 372 #define STE_PCI_MINLAT 0x0F 373 374 #define STE_PCI_CAPID 0x50 /* 8 bits */ 375 #define STE_PCI_NEXTPTR 0x51 /* 8 bits */ 376 #define STE_PCI_PWRMGMTCAP 0x52 /* 16 bits */ 377 #define STE_PCI_PWRMGMTCTRL 0x54 /* 16 bits */ 378 379 #define STE_PSTATE_MASK 0x0003 380 #define STE_PSTATE_D0 0x0000 381 #define STE_PSTATE_D1 0x0002 382 #define STE_PSTATE_D2 0x0002 383 #define STE_PSTATE_D3 0x0003 384 #define STE_PME_EN 0x0010 385 #define STE_PME_STATUS 0x8000 386 387 388 struct ste_stats { 389 uint32_t ste_rx_bytes; 390 uint32_t ste_tx_bytes; 391 uint16_t ste_tx_frames; 392 uint16_t ste_rx_frames; 393 uint8_t ste_carrsense_errs; 394 uint8_t ste_late_colls; 395 uint8_t ste_multi_colls; 396 uint8_t ste_single_colls; 397 uint8_t ste_tx_frames_defered; 398 uint8_t ste_rx_lost_frames; 399 uint8_t ste_tx_excess_defers; 400 uint8_t ste_tx_abort_excess_colls; 401 uint8_t ste_tx_bcast_frames; 402 uint8_t ste_rx_bcast_frames; 403 uint8_t ste_tx_mcast_frames; 404 uint8_t ste_rx_mcast_frames; 405 }; 406 407 struct ste_frag { 408 uint32_t ste_addr; 409 uint32_t ste_len; 410 }; 411 412 #define STE_FRAG_LAST 0x80000000 413 #define STE_FRAG_LEN 0x00001FFF 414 415 /* 416 * A TFD is 16 to 512 bytes in length which means it can have up to 126 417 * fragments for a single Tx frame. Since most frames used in stack have 418 * 3-4 fragments supporting 8 fragments would be enough for normal 419 * operation. If we encounter more than 8 fragments we'll collapse them 420 * into a frame that has less than or equal to 8 fragments. Each buffer 421 * address of a fragment has no alignment limitation. 422 */ 423 #define STE_MAXFRAGS 8 424 425 struct ste_desc { 426 uint32_t ste_next; 427 uint32_t ste_ctl; 428 struct ste_frag ste_frags[STE_MAXFRAGS]; 429 }; 430 431 /* 432 * A RFD has the same structure of TFD which in turn means hardware 433 * supports scatter operation in Rx buffer. Since we just allocate Rx 434 * buffer with m_getcl(9) there is no fragmentation at all so use 435 * single fragment for RFD. 436 */ 437 struct ste_desc_onefrag { 438 uint32_t ste_next; 439 uint32_t ste_status; 440 struct ste_frag ste_frag; 441 }; 442 443 #define STE_TXCTL_WORDALIGN 0x00000003 444 #define STE_TXCTL_ALIGN_DIS 0x00000001 445 #define STE_TXCTL_FRAMEID 0x000003FC 446 #define STE_TXCTL_NOCRC 0x00002000 447 #define STE_TXCTL_TXINTR 0x00008000 448 #define STE_TXCTL_DMADONE 0x00010000 449 #define STE_TXCTL_DMAINTR 0x80000000 450 451 #define STE_RXSTAT_FRAMELEN 0x00001FFF 452 #define STE_RXSTAT_FRAME_ERR 0x00004000 453 #define STE_RXSTAT_DMADONE 0x00008000 454 #define STE_RXSTAT_FIFO_OFLOW 0x00010000 455 #define STE_RXSTAT_RUNT 0x00020000 456 #define STE_RXSTAT_ALIGNERR 0x00040000 457 #define STE_RXSTAT_CRCERR 0x00080000 458 #define STE_RXSTAT_GIANT 0x00100000 459 #define STE_RXSTAT_DRIBBLEBITS 0x00800000 460 #define STE_RXSTAT_DMA_OFLOW 0x01000000 461 #define STE_RXATAT_ONEBUF 0x10000000 462 463 #define STE_RX_BYTES(x) ((x) & STE_RXSTAT_FRAMELEN) 464 465 /* 466 * register space access macros 467 */ 468 #define CSR_WRITE_4(sc, reg, val) \ 469 bus_space_write_4(sc->ste_btag, sc->ste_bhandle, reg, val) 470 #define CSR_WRITE_2(sc, reg, val) \ 471 bus_space_write_2(sc->ste_btag, sc->ste_bhandle, reg, val) 472 #define CSR_WRITE_1(sc, reg, val) \ 473 bus_space_write_1(sc->ste_btag, sc->ste_bhandle, reg, val) 474 475 #define CSR_READ_4(sc, reg) \ 476 bus_space_read_4(sc->ste_btag, sc->ste_bhandle, reg) 477 #define CSR_READ_2(sc, reg) \ 478 bus_space_read_2(sc->ste_btag, sc->ste_bhandle, reg) 479 #define CSR_READ_1(sc, reg) \ 480 bus_space_read_1(sc->ste_btag, sc->ste_bhandle, reg) 481 482 #define STE_DESC_ALIGN 8 483 #define STE_RX_LIST_CNT 128 484 #define STE_TX_LIST_CNT 128 485 #define STE_RX_LIST_SZ \ 486 (sizeof(struct ste_desc_onefrag) * STE_RX_LIST_CNT) 487 #define STE_TX_LIST_SZ \ 488 (sizeof(struct ste_desc) * STE_TX_LIST_CNT) 489 #define STE_ADDR_LO(x) ((uint64_t)(x) & 0xFFFFFFFF) 490 #define STE_ADDR_HI(x) ((uint64_t)(x) >> 32) 491 492 #define STE_TX_TIMEOUT 5 493 #define STE_TIMEOUT 1000 494 #define STE_MIN_FRAMELEN 60 495 #define STE_PACKET_SIZE 1536 496 #define STE_INC(x, y) (x) = (x + 1) % y 497 #define STE_DEC(x, y) (x) = ((x) + ((y) - 1)) % (y) 498 #define STE_NEXT(x, y) (x + 1) % y 499 500 struct ste_type { 501 uint16_t ste_vid; 502 uint16_t ste_did; 503 char *ste_name; 504 }; 505 506 struct ste_list_data { 507 struct ste_desc_onefrag *ste_rx_list; 508 bus_addr_t ste_rx_list_paddr; 509 struct ste_desc *ste_tx_list; 510 bus_addr_t ste_tx_list_paddr; 511 }; 512 513 struct ste_chain { 514 struct ste_desc *ste_ptr; 515 struct mbuf *ste_mbuf; 516 struct ste_chain *ste_next; 517 uint32_t ste_phys; 518 bus_dmamap_t ste_map; 519 }; 520 521 struct ste_chain_onefrag { 522 struct ste_desc_onefrag *ste_ptr; 523 struct mbuf *ste_mbuf; 524 struct ste_chain_onefrag *ste_next; 525 bus_dmamap_t ste_map; 526 }; 527 528 struct ste_chain_data { 529 bus_dma_tag_t ste_parent_tag; 530 bus_dma_tag_t ste_rx_tag; 531 bus_dma_tag_t ste_tx_tag; 532 bus_dma_tag_t ste_rx_list_tag; 533 bus_dmamap_t ste_rx_list_map; 534 bus_dma_tag_t ste_tx_list_tag; 535 bus_dmamap_t ste_tx_list_map; 536 bus_dmamap_t ste_rx_sparemap; 537 struct ste_chain_onefrag ste_rx_chain[STE_RX_LIST_CNT]; 538 struct ste_chain ste_tx_chain[STE_TX_LIST_CNT]; 539 struct ste_chain_onefrag *ste_rx_head; 540 struct ste_chain *ste_last_tx; 541 int ste_tx_prod; 542 int ste_tx_cons; 543 int ste_tx_cnt; 544 }; 545 546 struct ste_softc { 547 struct ifnet *ste_ifp; 548 bus_space_tag_t ste_btag; 549 bus_space_handle_t ste_bhandle; 550 struct resource *ste_res; 551 struct resource *ste_irq; 552 void *ste_intrhand; 553 struct ste_type *ste_info; 554 device_t ste_miibus; 555 device_t ste_dev; 556 int ste_tx_thresh; 557 int ste_flags; 558 #define STE_FLAG_ONE_PHY 0x0001 559 #define STE_FLAG_LINK 0x8000 560 int ste_if_flags; 561 int ste_timer; 562 struct ste_list_data ste_ldata; 563 struct ste_chain_data ste_cdata; 564 struct callout ste_stat_callout; 565 struct mtx ste_mtx; 566 }; 567 568 #define STE_LOCK(_sc) mtx_lock(&(_sc)->ste_mtx) 569 #define STE_UNLOCK(_sc) mtx_unlock(&(_sc)->ste_mtx) 570 #define STE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->ste_mtx, MA_OWNED) 571 572 struct ste_mii_frame { 573 uint8_t mii_stdelim; 574 uint8_t mii_opcode; 575 uint8_t mii_phyaddr; 576 uint8_t mii_regaddr; 577 uint8_t mii_turnaround; 578 uint16_t mii_data; 579 }; 580 581 /* 582 * MII constants 583 */ 584 #define STE_MII_STARTDELIM 0x01 585 #define STE_MII_READOP 0x02 586 #define STE_MII_WRITEOP 0x01 587 #define STE_MII_TURNAROUND 0x02 588