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