1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 1997, 1998 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 * $FreeBSD$ 35 */ 36 37 #define XL_EE_READ 0x0080 /* read, 5 bit address */ 38 #define XL_EE_WRITE 0x0040 /* write, 5 bit address */ 39 #define XL_EE_ERASE 0x00c0 /* erase, 5 bit address */ 40 #define XL_EE_EWEN 0x0030 /* erase, no data needed */ 41 #define XL_EE_8BIT_READ 0x0200 /* read, 8 bit address */ 42 #define XL_EE_BUSY 0x8000 43 44 #define XL_EE_EADDR0 0x00 /* station address, first word */ 45 #define XL_EE_EADDR1 0x01 /* station address, next word, */ 46 #define XL_EE_EADDR2 0x02 /* station address, last word */ 47 #define XL_EE_PRODID 0x03 /* product ID code */ 48 #define XL_EE_MDATA_DATE 0x04 /* manufacturing data, date */ 49 #define XL_EE_MDATA_DIV 0x05 /* manufacturing data, division */ 50 #define XL_EE_MDATA_PCODE 0x06 /* manufacturing data, product code */ 51 #define XL_EE_MFG_ID 0x07 52 #define XL_EE_PCI_PARM 0x08 53 #define XL_EE_ROM_ONFO 0x09 54 #define XL_EE_OEM_ADR0 0x0A 55 #define XL_EE_OEM_ADR1 0x0B 56 #define XL_EE_OEM_ADR2 0x0C 57 #define XL_EE_SOFTINFO1 0x0D 58 #define XL_EE_COMPAT 0x0E 59 #define XL_EE_SOFTINFO2 0x0F 60 #define XL_EE_CAPS 0x10 /* capabilities word */ 61 #define XL_EE_RSVD0 0x11 62 #define XL_EE_ICFG_0 0x12 63 #define XL_EE_ICFG_1 0x13 64 #define XL_EE_RSVD1 0x14 65 #define XL_EE_SOFTINFO3 0x15 66 #define XL_EE_RSVD_2 0x16 67 68 /* 69 * Bits in the capabilities word 70 */ 71 #define XL_CAPS_PNP 0x0001 72 #define XL_CAPS_FULL_DUPLEX 0x0002 73 #define XL_CAPS_LARGE_PKTS 0x0004 74 #define XL_CAPS_SLAVE_DMA 0x0008 75 #define XL_CAPS_SECOND_DMA 0x0010 76 #define XL_CAPS_FULL_BM 0x0020 77 #define XL_CAPS_FRAG_BM 0x0040 78 #define XL_CAPS_CRC_PASSTHRU 0x0080 79 #define XL_CAPS_TXDONE 0x0100 80 #define XL_CAPS_NO_TXLENGTH 0x0200 81 #define XL_CAPS_RX_REPEAT 0x0400 82 #define XL_CAPS_SNOOPING 0x0800 83 #define XL_CAPS_100MBPS 0x1000 84 #define XL_CAPS_PWRMGMT 0x2000 85 86 /* 87 * Bits in the software information 2 word 88 */ 89 #define XL_SINFO2_FIXED_BCAST_RX_BUG 0x0002 90 #define XL_SINFO2_FIXED_ENDEC_LOOP_BUG 0x0004 91 #define XL_SINFO2_AUX_WOL_CON 0x0008 92 #define XL_SINFO2_PME_PULSED 0x0010 93 #define XL_SINFO2_FIXED_MWI_BUG 0x0020 94 #define XL_SINFO2_WOL_AFTER_PWR_LOSS 0x0040 95 #define XL_SINFO2_AUTO_RST_TO_D0 0x0080 96 97 #define XL_PACKET_SIZE 1540 98 #define XL_MAX_FRAMELEN (ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN) 99 100 /* 101 * Register layouts. 102 */ 103 #define XL_COMMAND 0x0E 104 #define XL_STATUS 0x0E 105 106 #define XL_TX_STATUS 0x1B 107 #define XL_TX_FREE 0x1C 108 #define XL_DMACTL 0x20 109 #define XL_DOWNLIST_PTR 0x24 110 #define XL_DOWN_POLL 0x2D /* 3c90xB only */ 111 #define XL_TX_FREETHRESH 0x2F 112 #define XL_UPLIST_PTR 0x38 113 #define XL_UPLIST_STATUS 0x30 114 #define XL_UP_POLL 0x3D /* 3c90xB only */ 115 116 #define XL_PKTSTAT_UP_STALLED 0x00002000 117 #define XL_PKTSTAT_UP_ERROR 0x00004000 118 #define XL_PKTSTAT_UP_CMPLT 0x00008000 119 120 #define XL_DMACTL_DN_CMPLT_REQ 0x00000002 121 #define XL_DMACTL_DOWN_STALLED 0x00000004 122 #define XL_DMACTL_UP_CMPLT 0x00000008 123 #define XL_DMACTL_DOWN_CMPLT 0x00000010 124 #define XL_DMACTL_UP_RX_EARLY 0x00000020 125 #define XL_DMACTL_ARM_COUNTDOWN 0x00000040 126 #define XL_DMACTL_DOWN_INPROG 0x00000080 127 #define XL_DMACTL_COUNTER_SPEED 0x00000100 128 #define XL_DMACTL_DOWNDOWN_MODE 0x00000200 129 #define XL_DMACTL_UP_ALTSEQ_DIS 0x00010000 /* 3c90xB/3c90xC */ 130 #define XL_DMACTL_DOWN_ALTSEQ_DIS 0x00020000 /* 3c90xC only */ 131 #define XL_DMACTL_DEFEAT_MWI 0x00100000 /* 3c90xB/3c90xC */ 132 #define XL_DMACTL_DEFEAT_MRL 0x00100000 /* 3c90xB/3c90xC */ 133 #define XL_DMACTL_UP_OVERRUN_DISC_DIS 0x00200000 /* 3c90xB/3c90xC */ 134 #define XL_DMACTL_TARGET_ABORT 0x40000000 135 #define XL_DMACTL_MASTER_ABORT 0x80000000 136 137 /* 138 * Command codes. Some command codes require that we wait for 139 * the CMD_BUSY flag to clear. Those codes are marked as 'mustwait.' 140 */ 141 #define XL_CMD_RESET 0x0000 /* mustwait */ 142 #define XL_CMD_WINSEL 0x0800 143 #define XL_CMD_COAX_START 0x1000 144 #define XL_CMD_RX_DISABLE 0x1800 145 #define XL_CMD_RX_ENABLE 0x2000 146 #define XL_CMD_RX_RESET 0x2800 /* mustwait */ 147 #define XL_CMD_UP_STALL 0x3000 /* mustwait */ 148 #define XL_CMD_UP_UNSTALL 0x3001 149 #define XL_CMD_DOWN_STALL 0x3002 /* mustwait */ 150 #define XL_CMD_DOWN_UNSTALL 0x3003 151 #define XL_CMD_RX_DISCARD 0x4000 152 #define XL_CMD_TX_ENABLE 0x4800 153 #define XL_CMD_TX_DISABLE 0x5000 154 #define XL_CMD_TX_RESET 0x5800 /* mustwait */ 155 #define XL_CMD_INTR_FAKE 0x6000 156 #define XL_CMD_INTR_ACK 0x6800 157 #define XL_CMD_INTR_ENB 0x7000 158 #define XL_CMD_STAT_ENB 0x7800 159 #define XL_CMD_RX_SET_FILT 0x8000 160 #define XL_CMD_RX_SET_THRESH 0x8800 161 #define XL_CMD_TX_SET_THRESH 0x9000 162 #define XL_CMD_TX_SET_START 0x9800 163 #define XL_CMD_DMA_UP 0xA000 164 #define XL_CMD_DMA_STOP 0xA001 165 #define XL_CMD_STATS_ENABLE 0xA800 166 #define XL_CMD_STATS_DISABLE 0xB000 167 #define XL_CMD_COAX_STOP 0xB800 168 169 #define XL_CMD_SET_TX_RECLAIM 0xC000 /* 3c905B only */ 170 #define XL_CMD_RX_SET_HASH 0xC800 /* 3c905B only */ 171 172 #define XL_HASH_SET 0x0400 173 #define XL_HASHFILT_SIZE 256 174 175 /* 176 * status codes 177 * Note that bits 15 to 13 indicate the currently visible register window 178 * which may be anything from 0 to 7. 179 */ 180 #define XL_STAT_INTLATCH 0x0001 /* 0 */ 181 #define XL_STAT_ADFAIL 0x0002 /* 1 */ 182 #define XL_STAT_TX_COMPLETE 0x0004 /* 2 */ 183 #define XL_STAT_TX_AVAIL 0x0008 /* 3 first generation */ 184 #define XL_STAT_RX_COMPLETE 0x0010 /* 4 */ 185 #define XL_STAT_RX_EARLY 0x0020 /* 5 */ 186 #define XL_STAT_INTREQ 0x0040 /* 6 */ 187 #define XL_STAT_STATSOFLOW 0x0080 /* 7 */ 188 #define XL_STAT_DMADONE 0x0100 /* 8 first generation */ 189 #define XL_STAT_LINKSTAT 0x0100 /* 8 3c509B */ 190 #define XL_STAT_DOWN_COMPLETE 0x0200 /* 9 */ 191 #define XL_STAT_UP_COMPLETE 0x0400 /* 10 */ 192 #define XL_STAT_DMABUSY 0x0800 /* 11 first generation */ 193 #define XL_STAT_CMDBUSY 0x1000 /* 12 */ 194 195 /* 196 * Interrupts we normally want enabled. 197 */ 198 #define XL_INTRS \ 199 (XL_STAT_UP_COMPLETE|XL_STAT_STATSOFLOW|XL_STAT_ADFAIL| \ 200 XL_STAT_DOWN_COMPLETE|XL_STAT_TX_COMPLETE|XL_STAT_INTLATCH) 201 202 /* 203 * Window 0 registers 204 */ 205 #define XL_W0_EE_DATA 0x0C 206 #define XL_W0_EE_CMD 0x0A 207 #define XL_W0_RSRC_CFG 0x08 208 #define XL_W0_ADDR_CFG 0x06 209 #define XL_W0_CFG_CTRL 0x04 210 211 #define XL_W0_PROD_ID 0x02 212 #define XL_W0_MFG_ID 0x00 213 214 /* 215 * Window 1 216 */ 217 218 #define XL_W1_TX_FIFO 0x10 219 220 #define XL_W1_FREE_TX 0x0C 221 #define XL_W1_TX_STATUS 0x0B 222 #define XL_W1_TX_TIMER 0x0A 223 #define XL_W1_RX_STATUS 0x08 224 #define XL_W1_RX_FIFO 0x00 225 226 /* 227 * RX status codes 228 */ 229 #define XL_RXSTATUS_OVERRUN 0x01 230 #define XL_RXSTATUS_RUNT 0x02 231 #define XL_RXSTATUS_ALIGN 0x04 232 #define XL_RXSTATUS_CRC 0x08 233 #define XL_RXSTATUS_OVERSIZE 0x10 234 #define XL_RXSTATUS_DRIBBLE 0x20 235 236 /* 237 * TX status codes 238 */ 239 #define XL_TXSTATUS_RECLAIM 0x02 /* 3c905B only */ 240 #define XL_TXSTATUS_OVERFLOW 0x04 241 #define XL_TXSTATUS_MAXCOLS 0x08 242 #define XL_TXSTATUS_UNDERRUN 0x10 243 #define XL_TXSTATUS_JABBER 0x20 244 #define XL_TXSTATUS_INTREQ 0x40 245 #define XL_TXSTATUS_COMPLETE 0x80 246 247 /* 248 * Window 2 249 */ 250 #define XL_W2_RESET_OPTIONS 0x0C /* 3c905B only */ 251 #define XL_W2_STATION_MASK_HI 0x0A 252 #define XL_W2_STATION_MASK_MID 0x08 253 #define XL_W2_STATION_MASK_LO 0x06 254 #define XL_W2_STATION_ADDR_HI 0x04 255 #define XL_W2_STATION_ADDR_MID 0x02 256 #define XL_W2_STATION_ADDR_LO 0x00 257 258 #define XL_RESETOPT_FEATUREMASK (0x0001 | 0x0002 | 0x004) 259 #define XL_RESETOPT_D3RESETDIS 0x0008 260 #define XL_RESETOPT_DISADVFD 0x0010 261 #define XL_RESETOPT_DISADV100 0x0020 262 #define XL_RESETOPT_DISAUTONEG 0x0040 263 #define XL_RESETOPT_DEBUGMODE 0x0080 264 #define XL_RESETOPT_FASTAUTO 0x0100 265 #define XL_RESETOPT_FASTEE 0x0200 266 #define XL_RESETOPT_FORCEDCONF 0x0400 267 #define XL_RESETOPT_TESTPDTPDR 0x0800 268 #define XL_RESETOPT_TEST100TX 0x1000 269 #define XL_RESETOPT_TEST100RX 0x2000 270 271 #define XL_RESETOPT_INVERT_LED 0x0010 272 #define XL_RESETOPT_INVERT_MII 0x4000 273 274 /* 275 * Window 3 (fifo management) 276 */ 277 #define XL_W3_INTERNAL_CFG 0x00 278 #define XL_W3_MAXPKTSIZE 0x04 /* 3c905B only */ 279 #define XL_W3_RESET_OPT 0x08 280 #define XL_W3_FREE_TX 0x0C 281 #define XL_W3_FREE_RX 0x0A 282 #define XL_W3_MAC_CTRL 0x06 283 284 #define XL_ICFG_CONNECTOR_MASK 0x00F00000 285 #define XL_ICFG_CONNECTOR_BITS 20 286 287 #define XL_ICFG_RAMSIZE_MASK 0x00000007 288 #define XL_ICFG_RAMWIDTH 0x00000008 289 #define XL_ICFG_ROMSIZE_MASK (0x00000040 | 0x00000080) 290 #define XL_ICFG_DISABLE_BASSD 0x00000100 291 #define XL_ICFG_RAMLOC 0x00000200 292 #define XL_ICFG_RAMPART (0x00010000 | 0x00020000) 293 #define XL_ICFG_XCVRSEL (0x00100000 | 0x00200000 | 0x00400000) 294 #define XL_ICFG_AUTOSEL 0x01000000 295 296 #define XL_XCVR_10BT 0x00 297 #define XL_XCVR_AUI 0x01 298 #define XL_XCVR_RSVD_0 0x02 299 #define XL_XCVR_COAX 0x03 300 #define XL_XCVR_100BTX 0x04 301 #define XL_XCVR_100BFX 0x05 302 #define XL_XCVR_MII 0x06 303 #define XL_XCVR_RSVD_1 0x07 304 #define XL_XCVR_AUTO 0x08 /* 3c905B only */ 305 306 #define XL_MACCTRL_DEFER_EXT_END 0x0001 307 #define XL_MACCTRL_DEFER_0 0x0002 308 #define XL_MACCTRL_DEFER_1 0x0004 309 #define XL_MACCTRL_DEFER_2 0x0008 310 #define XL_MACCTRL_DEFER_3 0x0010 311 #define XL_MACCTRL_DUPLEX 0x0020 312 #define XL_MACCTRL_ALLOW_LARGE_PACK 0x0040 313 #define XL_MACCTRL_EXTEND_AFTER_COL 0x0080 /* 3c905B only */ 314 #define XL_MACCTRL_FLOW_CONTROL_ENB 0x0100 /* 3c905B only */ 315 #define XL_MACCTRL_VLT_END 0x0200 /* 3c905B only */ 316 317 /* 318 * The 'reset options' register contains power-on reset values 319 * loaded from the EEPROM. This includes the supported media 320 * types on the card. It is also known as the media options register. 321 */ 322 #define XL_W3_MEDIA_OPT 0x08 323 324 #define XL_MEDIAOPT_BT4 0x0001 /* MII */ 325 #define XL_MEDIAOPT_BTX 0x0002 /* on-chip */ 326 #define XL_MEDIAOPT_BFX 0x0004 /* on-chip */ 327 #define XL_MEDIAOPT_BT 0x0008 /* on-chip */ 328 #define XL_MEDIAOPT_BNC 0x0010 /* on-chip */ 329 #define XL_MEDIAOPT_AUI 0x0020 /* on-chip */ 330 #define XL_MEDIAOPT_MII 0x0040 /* MII */ 331 #define XL_MEDIAOPT_VCO 0x0100 /* 1st gen chip only */ 332 333 #define XL_MEDIAOPT_10FL 0x0100 /* 3x905B only, on-chip */ 334 #define XL_MEDIAOPT_MASK 0x01FF 335 336 /* 337 * Window 4 (diagnostics) 338 */ 339 #define XL_W4_UPPERBYTESOK 0x0D 340 #define XL_W4_BADSSD 0x0C 341 #define XL_W4_MEDIA_STATUS 0x0A 342 #define XL_W4_PHY_MGMT 0x08 343 #define XL_W4_NET_DIAG 0x06 344 #define XL_W4_FIFO_DIAG 0x04 345 #define XL_W4_VCO_DIAG 0x02 346 347 #define XL_W4_CTRLR_STAT 0x08 348 #define XL_W4_TX_DIAG 0x00 349 350 #define XL_MII_CLK 0x01 351 #define XL_MII_DATA 0x02 352 #define XL_MII_DIR 0x04 353 354 #define XL_MEDIA_SQE 0x0008 355 #define XL_MEDIA_10TP 0x00C0 356 #define XL_MEDIA_LNK 0x0080 357 #define XL_MEDIA_LNKBEAT 0x0800 358 359 #define XL_MEDIASTAT_CRCSTRIP 0x0004 360 #define XL_MEDIASTAT_SQEENB 0x0008 361 #define XL_MEDIASTAT_COLDET 0x0010 362 #define XL_MEDIASTAT_CARRIER 0x0020 363 #define XL_MEDIASTAT_JABGUARD 0x0040 364 #define XL_MEDIASTAT_LINKBEAT 0x0080 365 #define XL_MEDIASTAT_JABDETECT 0x0200 366 #define XL_MEDIASTAT_POLREVERS 0x0400 367 #define XL_MEDIASTAT_LINKDETECT 0x0800 368 #define XL_MEDIASTAT_TXINPROG 0x1000 369 #define XL_MEDIASTAT_DCENB 0x4000 370 #define XL_MEDIASTAT_AUIDIS 0x8000 371 372 #define XL_NETDIAG_TEST_LOWVOLT 0x0001 373 #define XL_NETDIAG_ASIC_REVMASK \ 374 (0x0002 | 0x0004 | 0x0008 | 0x0010 | 0x0020) 375 #define XL_NETDIAG_UPPER_BYTES_ENABLE 0x0040 376 #define XL_NETDIAG_STATS_ENABLED 0x0080 377 #define XL_NETDIAG_TX_FATALERR 0x0100 378 #define XL_NETDIAG_TRANSMITTING 0x0200 379 #define XL_NETDIAG_RX_ENABLED 0x0400 380 #define XL_NETDIAG_TX_ENABLED 0x0800 381 #define XL_NETDIAG_FIFO_LOOPBACK 0x1000 382 #define XL_NETDIAG_MAC_LOOPBACK 0x2000 383 #define XL_NETDIAG_ENDEC_LOOPBACK 0x4000 384 #define XL_NETDIAG_EXTERNAL_LOOP 0x8000 385 386 /* 387 * Window 5 388 */ 389 #define XL_W5_STAT_ENB 0x0C 390 #define XL_W5_INTR_ENB 0x0A 391 #define XL_W5_RECLAIM_THRESH 0x09 /* 3c905B only */ 392 #define XL_W5_RX_FILTER 0x08 393 #define XL_W5_RX_EARLYTHRESH 0x06 394 #define XL_W5_TX_AVAILTHRESH 0x02 395 #define XL_W5_TX_STARTTHRESH 0x00 396 397 /* 398 * RX filter bits 399 */ 400 #define XL_RXFILTER_INDIVIDUAL 0x01 401 #define XL_RXFILTER_ALLMULTI 0x02 402 #define XL_RXFILTER_BROADCAST 0x04 403 #define XL_RXFILTER_ALLFRAMES 0x08 404 #define XL_RXFILTER_MULTIHASH 0x10 /* 3c905B only */ 405 406 /* 407 * Window 6 (stats) 408 */ 409 #define XL_W6_TX_BYTES_OK 0x0C 410 #define XL_W6_RX_BYTES_OK 0x0A 411 #define XL_W6_UPPER_FRAMES_OK 0x09 412 #define XL_W6_DEFERRED 0x08 413 #define XL_W6_RX_OK 0x07 414 #define XL_W6_TX_OK 0x06 415 #define XL_W6_RX_OVERRUN 0x05 416 #define XL_W6_COL_LATE 0x04 417 #define XL_W6_COL_SINGLE 0x03 418 #define XL_W6_COL_MULTIPLE 0x02 419 #define XL_W6_SQE_ERRORS 0x01 420 #define XL_W6_CARRIER_LOST 0x00 421 422 /* 423 * Window 7 (bus master control) 424 */ 425 #define XL_W7_BM_ADDR 0x00 426 #define XL_W7_BM_LEN 0x06 427 #define XL_W7_BM_STATUS 0x0B 428 #define XL_W7_BM_TIMEr 0x0A 429 #define XL_W7_BM_PME 0x0C 430 431 #define XL_BM_PME_WAKE 0x0001 432 #define XL_BM_PME_MAGIC 0x0002 433 #define XL_BM_PME_LINKCHG 0x0004 434 #define XL_BM_PME_WAKETIMER 0x0008 435 /* 436 * bus master control registers 437 */ 438 #define XL_BM_PKTSTAT 0x20 439 #define XL_BM_DOWNLISTPTR 0x24 440 #define XL_BM_FRAGADDR 0x28 441 #define XL_BM_FRAGLEN 0x2C 442 #define XL_BM_TXFREETHRESH 0x2F 443 #define XL_BM_UPPKTSTAT 0x30 444 #define XL_BM_UPLISTPTR 0x38 445 446 #define XL_LAST_FRAG 0x80000000 447 448 #define XL_MAXFRAGS 63 449 #define XL_RX_LIST_CNT 128 450 #define XL_TX_LIST_CNT 256 451 #define XL_RX_LIST_SZ \ 452 (XL_RX_LIST_CNT * sizeof(struct xl_list_onefrag)) 453 #define XL_TX_LIST_SZ \ 454 (XL_TX_LIST_CNT * sizeof(struct xl_list)) 455 #define XL_MIN_FRAMELEN 60 456 #define ETHER_ALIGN 2 457 #define XL_INC(x, y) (x) = (x + 1) % y 458 459 /* 460 * Boomerang/Cyclone TX/RX list structure. 461 * For the TX lists, bits 0 to 12 of the status word indicate 462 * length. 463 * This looks suspiciously like the ThunderLAN, doesn't it. 464 */ 465 struct xl_frag { 466 u_int32_t xl_addr; /* 63 addr/len pairs */ 467 u_int32_t xl_len; 468 }; 469 470 struct xl_list { 471 u_int32_t xl_next; /* final entry has 0 nextptr */ 472 u_int32_t xl_status; 473 struct xl_frag xl_frag[XL_MAXFRAGS]; 474 }; 475 476 struct xl_list_onefrag { 477 u_int32_t xl_next; /* final entry has 0 nextptr */ 478 volatile u_int32_t xl_status; 479 volatile struct xl_frag xl_frag; 480 }; 481 482 struct xl_list_data { 483 struct xl_list_onefrag *xl_rx_list; 484 struct xl_list *xl_tx_list; 485 u_int32_t xl_rx_dmaaddr; 486 bus_dma_tag_t xl_rx_tag; 487 bus_dmamap_t xl_rx_dmamap; 488 u_int32_t xl_tx_dmaaddr; 489 bus_dma_tag_t xl_tx_tag; 490 bus_dmamap_t xl_tx_dmamap; 491 }; 492 493 struct xl_chain { 494 struct xl_list *xl_ptr; 495 struct mbuf *xl_mbuf; 496 struct xl_chain *xl_next; 497 struct xl_chain *xl_prev; 498 u_int32_t xl_phys; 499 bus_dmamap_t xl_map; 500 }; 501 502 struct xl_chain_onefrag { 503 struct xl_list_onefrag *xl_ptr; 504 struct mbuf *xl_mbuf; 505 struct xl_chain_onefrag *xl_next; 506 bus_dmamap_t xl_map; 507 }; 508 509 struct xl_chain_data { 510 struct xl_chain_onefrag xl_rx_chain[XL_RX_LIST_CNT]; 511 struct xl_chain xl_tx_chain[XL_TX_LIST_CNT]; 512 bus_dma_segment_t xl_tx_segs[XL_MAXFRAGS]; 513 514 struct xl_chain_onefrag *xl_rx_head; 515 516 /* 3c90x "boomerang" queuing stuff */ 517 struct xl_chain *xl_tx_head; 518 struct xl_chain *xl_tx_tail; 519 struct xl_chain *xl_tx_free; 520 521 /* 3c90xB "cyclone/hurricane/tornado" stuff */ 522 int xl_tx_prod; 523 int xl_tx_cons; 524 int xl_tx_cnt; 525 }; 526 527 #define XL_RXSTAT_LENMASK 0x00001FFF 528 #define XL_RXSTAT_UP_ERROR 0x00004000 529 #define XL_RXSTAT_UP_CMPLT 0x00008000 530 #define XL_RXSTAT_UP_OVERRUN 0x00010000 531 #define XL_RXSTAT_RUNT 0x00020000 532 #define XL_RXSTAT_ALIGN 0x00040000 533 #define XL_RXSTAT_CRC 0x00080000 534 #define XL_RXSTAT_OVERSIZE 0x00100000 535 #define XL_RXSTAT_DRIBBLE 0x00800000 536 #define XL_RXSTAT_UP_OFLOW 0x01000000 537 #define XL_RXSTAT_IPCKERR 0x02000000 /* 3c905B only */ 538 #define XL_RXSTAT_TCPCKERR 0x04000000 /* 3c905B only */ 539 #define XL_RXSTAT_UDPCKERR 0x08000000 /* 3c905B only */ 540 #define XL_RXSTAT_BUFEN 0x10000000 /* 3c905B only */ 541 #define XL_RXSTAT_IPCKOK 0x20000000 /* 3c905B only */ 542 #define XL_RXSTAT_TCPCOK 0x40000000 /* 3c905B only */ 543 #define XL_RXSTAT_UDPCKOK 0x80000000 /* 3c905B only */ 544 545 #define XL_TXSTAT_LENMASK 0x00001FFF 546 #define XL_TXSTAT_CRCDIS 0x00002000 547 #define XL_TXSTAT_TX_INTR 0x00008000 548 #define XL_TXSTAT_DL_COMPLETE 0x00010000 549 #define XL_TXSTAT_IPCKSUM 0x02000000 /* 3c905B only */ 550 #define XL_TXSTAT_TCPCKSUM 0x04000000 /* 3c905B only */ 551 #define XL_TXSTAT_UDPCKSUM 0x08000000 /* 3c905B only */ 552 #define XL_TXSTAT_RND_DEFEAT 0x10000000 /* 3c905B only */ 553 #define XL_TXSTAT_EMPTY 0x20000000 /* 3c905B only */ 554 #define XL_TXSTAT_DL_INTR 0x80000000 555 556 #define XL_CAPABILITY_BM 0x20 557 558 struct xl_type { 559 u_int16_t xl_vid; 560 u_int16_t xl_did; 561 const char *xl_name; 562 }; 563 564 /* 565 * The 3C905B adapters implement a few features that we want to 566 * take advantage of, namely the multicast hash filter. With older 567 * chips, you only have the option of turning on reception of all 568 * multicast frames, which is kind of lame. 569 * 570 * We also use this to decide on a transmit strategy. For the 3c90xB 571 * cards, we can use polled descriptor mode, which reduces CPU overhead. 572 */ 573 #define XL_TYPE_905B 1 574 #define XL_TYPE_90X 2 575 576 #define XL_FLAG_FUNCREG 0x0001 577 #define XL_FLAG_PHYOK 0x0002 578 #define XL_FLAG_EEPROM_OFFSET_30 0x0004 579 #define XL_FLAG_WEIRDRESET 0x0008 580 #define XL_FLAG_8BITROM 0x0010 581 #define XL_FLAG_INVERT_LED_PWR 0x0020 582 #define XL_FLAG_INVERT_MII_PWR 0x0040 583 #define XL_FLAG_NO_XCVR_PWR 0x0080 584 #define XL_FLAG_USE_MMIO 0x0100 585 #define XL_FLAG_NO_MMIO 0x0200 586 #define XL_FLAG_WOL 0x0400 587 588 #define XL_NO_XCVR_PWR_MAGICBITS 0x0900 589 590 struct xl_softc { 591 struct ifnet *xl_ifp; /* interface info */ 592 device_t xl_dev; /* device info */ 593 struct ifmedia ifmedia; /* media info */ 594 bus_space_handle_t xl_bhandle; 595 bus_space_tag_t xl_btag; 596 void *xl_intrhand; 597 struct resource *xl_irq; 598 struct resource *xl_res; 599 device_t xl_miibus; 600 const struct xl_type *xl_info; /* 3Com adapter info */ 601 bus_dma_tag_t xl_mtag; 602 bus_dmamap_t xl_tmpmap; /* spare DMA map */ 603 u_int8_t xl_type; 604 u_int32_t xl_xcvr; 605 u_int16_t xl_media; 606 u_int16_t xl_caps; 607 u_int16_t xl_tx_thresh; 608 int xl_pmcap; 609 int xl_if_flags; 610 struct xl_list_data xl_ldata; 611 struct xl_chain_data xl_cdata; 612 struct callout xl_tick_callout; 613 int xl_wdog_timer; 614 int xl_flags; 615 struct resource *xl_fres; 616 bus_space_handle_t xl_fhandle; 617 bus_space_tag_t xl_ftag; 618 struct mtx xl_mtx; 619 struct task xl_task; 620 #ifdef DEVICE_POLLING 621 int rxcycles; 622 #endif 623 }; 624 625 #define XL_LOCK(_sc) mtx_lock(&(_sc)->xl_mtx) 626 #define XL_UNLOCK(_sc) mtx_unlock(&(_sc)->xl_mtx) 627 #define XL_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->xl_mtx, MA_OWNED) 628 629 #define xl_rx_goodframes(x) \ 630 ((x.xl_upper_frames_ok & 0x03) << 8) | x.xl_rx_frames_ok 631 632 #define xl_tx_goodframes(x) \ 633 ((x.xl_upper_frames_ok & 0x30) << 4) | x.xl_tx_frames_ok 634 635 struct xl_stats { 636 u_int8_t xl_carrier_lost; 637 u_int8_t xl_sqe_errs; 638 u_int8_t xl_tx_multi_collision; 639 u_int8_t xl_tx_single_collision; 640 u_int8_t xl_tx_late_collision; 641 u_int8_t xl_rx_overrun; 642 u_int8_t xl_tx_frames_ok; 643 u_int8_t xl_rx_frames_ok; 644 u_int8_t xl_tx_deferred; 645 u_int8_t xl_upper_frames_ok; 646 u_int16_t xl_rx_bytes_ok; 647 u_int16_t xl_tx_bytes_ok; 648 u_int16_t status; 649 }; 650 651 /* 652 * register space access macros 653 */ 654 #define CSR_WRITE_4(sc, reg, val) \ 655 bus_space_write_4(sc->xl_btag, sc->xl_bhandle, reg, val) 656 #define CSR_WRITE_2(sc, reg, val) \ 657 bus_space_write_2(sc->xl_btag, sc->xl_bhandle, reg, val) 658 #define CSR_WRITE_1(sc, reg, val) \ 659 bus_space_write_1(sc->xl_btag, sc->xl_bhandle, reg, val) 660 661 #define CSR_READ_4(sc, reg) \ 662 bus_space_read_4(sc->xl_btag, sc->xl_bhandle, reg) 663 #define CSR_READ_2(sc, reg) \ 664 bus_space_read_2(sc->xl_btag, sc->xl_bhandle, reg) 665 #define CSR_READ_1(sc, reg) \ 666 bus_space_read_1(sc->xl_btag, sc->xl_bhandle, reg) 667 668 #define CSR_BARRIER(sc, reg, length, flags) \ 669 bus_space_barrier(sc->xl_btag, sc->xl_bhandle, reg, length, flags) 670 671 #define XL_SEL_WIN(x) do { \ 672 CSR_BARRIER(sc, XL_COMMAND, 2, \ 673 BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); \ 674 CSR_WRITE_2(sc, XL_COMMAND, XL_CMD_WINSEL | x); \ 675 CSR_BARRIER(sc, XL_COMMAND, 2, \ 676 BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); \ 677 } while (0) 678 679 #define XL_TIMEOUT 1000 680 681 /* 682 * General constants that are fun to know. 683 * 684 * 3Com PCI vendor ID 685 */ 686 #define TC_VENDORID 0x10B7 687 688 /* 689 * 3Com chip device IDs. 690 */ 691 #define TC_DEVICEID_BOOMERANG_10BT 0x9000 692 #define TC_DEVICEID_BOOMERANG_10BT_COMBO 0x9001 693 #define TC_DEVICEID_BOOMERANG_10_100BT 0x9050 694 #define TC_DEVICEID_BOOMERANG_100BT4 0x9051 695 #define TC_DEVICEID_KRAKATOA_10BT 0x9004 696 #define TC_DEVICEID_KRAKATOA_10BT_COMBO 0x9005 697 #define TC_DEVICEID_KRAKATOA_10BT_TPC 0x9006 698 #define TC_DEVICEID_CYCLONE_10FL 0x900A 699 #define TC_DEVICEID_HURRICANE_10_100BT 0x9055 700 #define TC_DEVICEID_CYCLONE_10_100BT4 0x9056 701 #define TC_DEVICEID_CYCLONE_10_100_COMBO 0x9058 702 #define TC_DEVICEID_CYCLONE_10_100FX 0x905A 703 #define TC_DEVICEID_TORNADO_10_100BT 0x9200 704 #define TC_DEVICEID_TORNADO_10_100BT_920B 0x9201 705 #define TC_DEVICEID_TORNADO_10_100BT_920B_WNM 0x9202 706 #define TC_DEVICEID_HURRICANE_10_100BT_SERV 0x9800 707 #define TC_DEVICEID_TORNADO_10_100BT_SERV 0x9805 708 #define TC_DEVICEID_HURRICANE_SOHO100TX 0x7646 709 #define TC_DEVICEID_TORNADO_HOMECONNECT 0x4500 710 #define TC_DEVICEID_HURRICANE_555 0x5055 711 #define TC_DEVICEID_HURRICANE_556 0x6055 712 #define TC_DEVICEID_HURRICANE_556B 0x6056 713 #define TC_DEVICEID_HURRICANE_575A 0x5057 714 #define TC_DEVICEID_HURRICANE_575B 0x5157 715 #define TC_DEVICEID_HURRICANE_575C 0x5257 716 #define TC_DEVICEID_HURRICANE_656 0x6560 717 #define TC_DEVICEID_HURRICANE_656B 0x6562 718 #define TC_DEVICEID_TORNADO_656C 0x6564 719 720 /* 721 * PCI low memory base and low I/O base register, and 722 * other PCI registers. Note: some are only available on 723 * the 3c905B, in particular those that related to power management. 724 */ 725 #define XL_PCI_VENDOR_ID 0x00 726 #define XL_PCI_DEVICE_ID 0x02 727 #define XL_PCI_COMMAND 0x04 728 #define XL_PCI_STATUS 0x06 729 #define XL_PCI_CLASSCODE 0x09 730 #define XL_PCI_LATENCY_TIMER 0x0D 731 #define XL_PCI_HEADER_TYPE 0x0E 732 #define XL_PCI_LOIO 0x10 733 #define XL_PCI_LOMEM 0x14 734 #define XL_PCI_FUNCMEM 0x18 735 #define XL_PCI_BIOSROM 0x30 736 #define XL_PCI_INTLINE 0x3C 737 #define XL_PCI_INTPIN 0x3D 738 #define XL_PCI_MINGNT 0x3E 739 #define XL_PCI_MINLAT 0x0F 740 #define XL_PCI_RESETOPT 0x48 741 #define XL_PCI_EEPROM_DATA 0x4C 742 743 /* 3c905B-only registers */ 744 #define XL_PCI_CAPID 0xDC /* 8 bits */ 745 #define XL_PCI_NEXTPTR 0xDD /* 8 bits */ 746 #define XL_PCI_PWRMGMTCAP 0xDE /* 16 bits */ 747 #define XL_PCI_PWRMGMTCTRL 0xE0 /* 16 bits */ 748 749 #define XL_PSTATE_MASK 0x0003 750 #define XL_PSTATE_D0 0x0000 751 #define XL_PSTATE_D1 0x0002 752 #define XL_PSTATE_D2 0x0002 753 #define XL_PSTATE_D3 0x0003 754 #define XL_PME_EN 0x0010 755 #define XL_PME_STATUS 0x8000 756 757 #ifndef IFM_10_FL 758 #define IFM_10_FL 13 /* 10baseFL - Fiber */ 759 #endif 760