1 /* Encapsulate basic setting changes and retrieval on Hermes hardware 2 * 3 * See copyright notice in main.c 4 */ 5 #include <linux/kernel.h> 6 #include <linux/device.h> 7 #include <linux/if_arp.h> 8 #include <linux/ieee80211.h> 9 #include <linux/wireless.h> 10 #include <net/cfg80211.h> 11 #include "hermes.h" 12 #include "hermes_rid.h" 13 #include "orinoco.h" 14 15 #include "hw.h" 16 17 #define SYMBOL_MAX_VER_LEN (14) 18 19 /* Symbol firmware has a bug allocating buffers larger than this */ 20 #define TX_NICBUF_SIZE_BUG 1585 21 22 /********************************************************************/ 23 /* Data tables */ 24 /********************************************************************/ 25 26 /* This tables gives the actual meanings of the bitrate IDs returned 27 * by the firmware. */ 28 static const struct { 29 int bitrate; /* in 100s of kilobits */ 30 int automatic; 31 u16 agere_txratectrl; 32 u16 intersil_txratectrl; 33 } bitrate_table[] = { 34 {110, 1, 3, 15}, /* Entry 0 is the default */ 35 {10, 0, 1, 1}, 36 {10, 1, 1, 1}, 37 {20, 0, 2, 2}, 38 {20, 1, 6, 3}, 39 {55, 0, 4, 4}, 40 {55, 1, 7, 7}, 41 {110, 0, 5, 8}, 42 }; 43 #define BITRATE_TABLE_SIZE ARRAY_SIZE(bitrate_table) 44 45 /* Firmware version encoding */ 46 struct comp_id { 47 u16 id, variant, major, minor; 48 } __packed; 49 50 static inline enum fwtype determine_firmware_type(struct comp_id *nic_id) 51 { 52 if (nic_id->id < 0x8000) 53 return FIRMWARE_TYPE_AGERE; 54 else if (nic_id->id == 0x8000 && nic_id->major == 0) 55 return FIRMWARE_TYPE_SYMBOL; 56 else 57 return FIRMWARE_TYPE_INTERSIL; 58 } 59 60 /* Set priv->firmware type, determine firmware properties 61 * This function can be called before we have registerred with netdev, 62 * so all errors go out with dev_* rather than printk 63 * 64 * If non-NULL stores a firmware description in fw_name. 65 * If non-NULL stores a HW version in hw_ver 66 * 67 * These are output via generic cfg80211 ethtool support. 68 */ 69 int determine_fw_capabilities(struct orinoco_private *priv, 70 char *fw_name, size_t fw_name_len, 71 u32 *hw_ver) 72 { 73 struct device *dev = priv->dev; 74 struct hermes *hw = &priv->hw; 75 int err; 76 struct comp_id nic_id, sta_id; 77 unsigned int firmver; 78 char tmp[SYMBOL_MAX_VER_LEN + 1] __attribute__((aligned(2))); 79 80 /* Get the hardware version */ 81 err = HERMES_READ_RECORD(hw, USER_BAP, HERMES_RID_NICID, &nic_id); 82 if (err) { 83 dev_err(dev, "Cannot read hardware identity: error %d\n", 84 err); 85 return err; 86 } 87 88 le16_to_cpus(&nic_id.id); 89 le16_to_cpus(&nic_id.variant); 90 le16_to_cpus(&nic_id.major); 91 le16_to_cpus(&nic_id.minor); 92 dev_info(dev, "Hardware identity %04x:%04x:%04x:%04x\n", 93 nic_id.id, nic_id.variant, nic_id.major, nic_id.minor); 94 95 if (hw_ver) 96 *hw_ver = (((nic_id.id & 0xff) << 24) | 97 ((nic_id.variant & 0xff) << 16) | 98 ((nic_id.major & 0xff) << 8) | 99 (nic_id.minor & 0xff)); 100 101 priv->firmware_type = determine_firmware_type(&nic_id); 102 103 /* Get the firmware version */ 104 err = HERMES_READ_RECORD(hw, USER_BAP, HERMES_RID_STAID, &sta_id); 105 if (err) { 106 dev_err(dev, "Cannot read station identity: error %d\n", 107 err); 108 return err; 109 } 110 111 le16_to_cpus(&sta_id.id); 112 le16_to_cpus(&sta_id.variant); 113 le16_to_cpus(&sta_id.major); 114 le16_to_cpus(&sta_id.minor); 115 dev_info(dev, "Station identity %04x:%04x:%04x:%04x\n", 116 sta_id.id, sta_id.variant, sta_id.major, sta_id.minor); 117 118 switch (sta_id.id) { 119 case 0x15: 120 dev_err(dev, "Primary firmware is active\n"); 121 return -ENODEV; 122 case 0x14b: 123 dev_err(dev, "Tertiary firmware is active\n"); 124 return -ENODEV; 125 case 0x1f: /* Intersil, Agere, Symbol Spectrum24 */ 126 case 0x21: /* Symbol Spectrum24 Trilogy */ 127 break; 128 default: 129 dev_notice(dev, "Unknown station ID, please report\n"); 130 break; 131 } 132 133 /* Default capabilities */ 134 priv->has_sensitivity = 1; 135 priv->has_mwo = 0; 136 priv->has_preamble = 0; 137 priv->has_port3 = 1; 138 priv->has_ibss = 1; 139 priv->has_wep = 0; 140 priv->has_big_wep = 0; 141 priv->has_alt_txcntl = 0; 142 priv->has_ext_scan = 0; 143 priv->has_wpa = 0; 144 priv->do_fw_download = 0; 145 146 /* Determine capabilities from the firmware version */ 147 switch (priv->firmware_type) { 148 case FIRMWARE_TYPE_AGERE: 149 /* Lucent Wavelan IEEE, Lucent Orinoco, Cabletron RoamAbout, 150 ELSA, Melco, HP, IBM, Dell 1150, Compaq 110/210 */ 151 if (fw_name) 152 snprintf(fw_name, fw_name_len, "Lucent/Agere %d.%02d", 153 sta_id.major, sta_id.minor); 154 155 firmver = ((unsigned long)sta_id.major << 16) | sta_id.minor; 156 157 priv->has_ibss = (firmver >= 0x60006); 158 priv->has_wep = (firmver >= 0x40020); 159 priv->has_big_wep = 1; /* FIXME: this is wrong - how do we tell 160 Gold cards from the others? */ 161 priv->has_mwo = (firmver >= 0x60000); 162 priv->has_pm = (firmver >= 0x40020); /* Don't work in 7.52 ? */ 163 priv->ibss_port = 1; 164 priv->has_hostscan = (firmver >= 0x8000a); 165 priv->do_fw_download = 1; 166 priv->broken_monitor = (firmver >= 0x80000); 167 priv->has_alt_txcntl = (firmver >= 0x90000); /* All 9.x ? */ 168 priv->has_ext_scan = (firmver >= 0x90000); /* All 9.x ? */ 169 priv->has_wpa = (firmver >= 0x9002a); 170 /* Tested with Agere firmware : 171 * 1.16 ; 4.08 ; 4.52 ; 6.04 ; 6.16 ; 7.28 => Jean II 172 * Tested CableTron firmware : 4.32 => Anton */ 173 break; 174 case FIRMWARE_TYPE_SYMBOL: 175 /* Symbol , 3Com AirConnect, Intel, Ericsson WLAN */ 176 /* Intel MAC : 00:02:B3:* */ 177 /* 3Com MAC : 00:50:DA:* */ 178 memset(tmp, 0, sizeof(tmp)); 179 /* Get the Symbol firmware version */ 180 err = hw->ops->read_ltv(hw, USER_BAP, 181 HERMES_RID_SECONDARYVERSION_SYMBOL, 182 SYMBOL_MAX_VER_LEN, NULL, &tmp); 183 if (err) { 184 dev_warn(dev, "Error %d reading Symbol firmware info. " 185 "Wildly guessing capabilities...\n", err); 186 firmver = 0; 187 tmp[0] = '\0'; 188 } else { 189 /* The firmware revision is a string, the format is 190 * something like : "V2.20-01". 191 * Quick and dirty parsing... - Jean II 192 */ 193 firmver = ((tmp[1] - '0') << 16) 194 | ((tmp[3] - '0') << 12) 195 | ((tmp[4] - '0') << 8) 196 | ((tmp[6] - '0') << 4) 197 | (tmp[7] - '0'); 198 199 tmp[SYMBOL_MAX_VER_LEN] = '\0'; 200 } 201 202 if (fw_name) 203 snprintf(fw_name, fw_name_len, "Symbol %s", tmp); 204 205 priv->has_ibss = (firmver >= 0x20000); 206 priv->has_wep = (firmver >= 0x15012); 207 priv->has_big_wep = (firmver >= 0x20000); 208 priv->has_pm = (firmver >= 0x20000 && firmver < 0x22000) || 209 (firmver >= 0x29000 && firmver < 0x30000) || 210 firmver >= 0x31000; 211 priv->has_preamble = (firmver >= 0x20000); 212 priv->ibss_port = 4; 213 214 /* Symbol firmware is found on various cards, but 215 * there has been no attempt to check firmware 216 * download on non-spectrum_cs based cards. 217 * 218 * Given that the Agere firmware download works 219 * differently, we should avoid doing a firmware 220 * download with the Symbol algorithm on non-spectrum 221 * cards. 222 * 223 * For now we can identify a spectrum_cs based card 224 * because it has a firmware reset function. 225 */ 226 priv->do_fw_download = (priv->stop_fw != NULL); 227 228 priv->broken_disableport = (firmver == 0x25013) || 229 (firmver >= 0x30000 && firmver <= 0x31000); 230 priv->has_hostscan = (firmver >= 0x31001) || 231 (firmver >= 0x29057 && firmver < 0x30000); 232 /* Tested with Intel firmware : 0x20015 => Jean II */ 233 /* Tested with 3Com firmware : 0x15012 & 0x22001 => Jean II */ 234 break; 235 case FIRMWARE_TYPE_INTERSIL: 236 /* D-Link, Linksys, Adtron, ZoomAir, and many others... 237 * Samsung, Compaq 100/200 and Proxim are slightly 238 * different and less well tested */ 239 /* D-Link MAC : 00:40:05:* */ 240 /* Addtron MAC : 00:90:D1:* */ 241 if (fw_name) 242 snprintf(fw_name, fw_name_len, "Intersil %d.%d.%d", 243 sta_id.major, sta_id.minor, sta_id.variant); 244 245 firmver = ((unsigned long)sta_id.major << 16) | 246 ((unsigned long)sta_id.minor << 8) | sta_id.variant; 247 248 priv->has_ibss = (firmver >= 0x000700); /* FIXME */ 249 priv->has_big_wep = priv->has_wep = (firmver >= 0x000800); 250 priv->has_pm = (firmver >= 0x000700); 251 priv->has_hostscan = (firmver >= 0x010301); 252 253 if (firmver >= 0x000800) 254 priv->ibss_port = 0; 255 else { 256 dev_notice(dev, "Intersil firmware earlier than v0.8.x" 257 " - several features not supported\n"); 258 priv->ibss_port = 1; 259 } 260 break; 261 } 262 if (fw_name) 263 dev_info(dev, "Firmware determined as %s\n", fw_name); 264 265 #ifndef CONFIG_HERMES_PRISM 266 if (priv->firmware_type == FIRMWARE_TYPE_INTERSIL) { 267 dev_err(dev, "Support for Prism chipset is not enabled\n"); 268 return -ENODEV; 269 } 270 #endif 271 272 return 0; 273 } 274 275 /* Read settings from EEPROM into our private structure. 276 * MAC address gets dropped into callers buffer 277 * Can be called before netdev registration. 278 */ 279 int orinoco_hw_read_card_settings(struct orinoco_private *priv, u8 *dev_addr) 280 { 281 struct device *dev = priv->dev; 282 struct hermes_idstring nickbuf; 283 struct hermes *hw = &priv->hw; 284 int len; 285 int err; 286 u16 reclen; 287 288 /* Get the MAC address */ 289 err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR, 290 ETH_ALEN, NULL, dev_addr); 291 if (err) { 292 dev_warn(dev, "Failed to read MAC address!\n"); 293 goto out; 294 } 295 296 dev_dbg(dev, "MAC address %pM\n", dev_addr); 297 298 /* Get the station name */ 299 err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME, 300 sizeof(nickbuf), &reclen, &nickbuf); 301 if (err) { 302 dev_err(dev, "failed to read station name\n"); 303 goto out; 304 } 305 if (nickbuf.len) 306 len = min(IW_ESSID_MAX_SIZE, (int)le16_to_cpu(nickbuf.len)); 307 else 308 len = min(IW_ESSID_MAX_SIZE, 2 * reclen); 309 memcpy(priv->nick, &nickbuf.val, len); 310 priv->nick[len] = '\0'; 311 312 dev_dbg(dev, "Station name \"%s\"\n", priv->nick); 313 314 /* Get allowed channels */ 315 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CHANNELLIST, 316 &priv->channel_mask); 317 if (err) { 318 dev_err(dev, "Failed to read channel list!\n"); 319 goto out; 320 } 321 322 /* Get initial AP density */ 323 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFSYSTEMSCALE, 324 &priv->ap_density); 325 if (err || priv->ap_density < 1 || priv->ap_density > 3) 326 priv->has_sensitivity = 0; 327 328 /* Get initial RTS threshold */ 329 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD, 330 &priv->rts_thresh); 331 if (err) { 332 dev_err(dev, "Failed to read RTS threshold!\n"); 333 goto out; 334 } 335 336 /* Get initial fragmentation settings */ 337 if (priv->has_mwo) 338 err = hermes_read_wordrec(hw, USER_BAP, 339 HERMES_RID_CNFMWOROBUST_AGERE, 340 &priv->mwo_robust); 341 else 342 err = hermes_read_wordrec(hw, USER_BAP, 343 HERMES_RID_CNFFRAGMENTATIONTHRESHOLD, 344 &priv->frag_thresh); 345 if (err) { 346 dev_err(dev, "Failed to read fragmentation settings!\n"); 347 goto out; 348 } 349 350 /* Power management setup */ 351 if (priv->has_pm) { 352 priv->pm_on = 0; 353 priv->pm_mcast = 1; 354 err = hermes_read_wordrec(hw, USER_BAP, 355 HERMES_RID_CNFMAXSLEEPDURATION, 356 &priv->pm_period); 357 if (err) { 358 dev_err(dev, "Failed to read power management " 359 "period!\n"); 360 goto out; 361 } 362 err = hermes_read_wordrec(hw, USER_BAP, 363 HERMES_RID_CNFPMHOLDOVERDURATION, 364 &priv->pm_timeout); 365 if (err) { 366 dev_err(dev, "Failed to read power management " 367 "timeout!\n"); 368 goto out; 369 } 370 } 371 372 /* Preamble setup */ 373 if (priv->has_preamble) { 374 err = hermes_read_wordrec(hw, USER_BAP, 375 HERMES_RID_CNFPREAMBLE_SYMBOL, 376 &priv->preamble); 377 if (err) { 378 dev_err(dev, "Failed to read preamble setup\n"); 379 goto out; 380 } 381 } 382 383 /* Retry settings */ 384 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_SHORTRETRYLIMIT, 385 &priv->short_retry_limit); 386 if (err) { 387 dev_err(dev, "Failed to read short retry limit\n"); 388 goto out; 389 } 390 391 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_LONGRETRYLIMIT, 392 &priv->long_retry_limit); 393 if (err) { 394 dev_err(dev, "Failed to read long retry limit\n"); 395 goto out; 396 } 397 398 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_MAXTRANSMITLIFETIME, 399 &priv->retry_lifetime); 400 if (err) { 401 dev_err(dev, "Failed to read max retry lifetime\n"); 402 goto out; 403 } 404 405 out: 406 return err; 407 } 408 409 /* Can be called before netdev registration */ 410 int orinoco_hw_allocate_fid(struct orinoco_private *priv) 411 { 412 struct device *dev = priv->dev; 413 struct hermes *hw = &priv->hw; 414 int err; 415 416 err = hw->ops->allocate(hw, priv->nicbuf_size, &priv->txfid); 417 if (err == -EIO && priv->nicbuf_size > TX_NICBUF_SIZE_BUG) { 418 /* Try workaround for old Symbol firmware bug */ 419 priv->nicbuf_size = TX_NICBUF_SIZE_BUG; 420 err = hw->ops->allocate(hw, priv->nicbuf_size, &priv->txfid); 421 422 dev_warn(dev, "Firmware ALLOC bug detected " 423 "(old Symbol firmware?). Work around %s\n", 424 err ? "failed!" : "ok."); 425 } 426 427 return err; 428 } 429 430 int orinoco_get_bitratemode(int bitrate, int automatic) 431 { 432 int ratemode = -1; 433 int i; 434 435 if ((bitrate != 10) && (bitrate != 20) && 436 (bitrate != 55) && (bitrate != 110)) 437 return ratemode; 438 439 for (i = 0; i < BITRATE_TABLE_SIZE; i++) { 440 if ((bitrate_table[i].bitrate == bitrate) && 441 (bitrate_table[i].automatic == automatic)) { 442 ratemode = i; 443 break; 444 } 445 } 446 return ratemode; 447 } 448 449 void orinoco_get_ratemode_cfg(int ratemode, int *bitrate, int *automatic) 450 { 451 BUG_ON((ratemode < 0) || (ratemode >= BITRATE_TABLE_SIZE)); 452 453 *bitrate = bitrate_table[ratemode].bitrate * 100000; 454 *automatic = bitrate_table[ratemode].automatic; 455 } 456 457 int orinoco_hw_program_rids(struct orinoco_private *priv) 458 { 459 struct net_device *dev = priv->ndev; 460 struct wireless_dev *wdev = netdev_priv(dev); 461 struct hermes *hw = &priv->hw; 462 int err; 463 struct hermes_idstring idbuf; 464 465 /* Set the MAC address */ 466 err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR, 467 HERMES_BYTES_TO_RECLEN(ETH_ALEN), 468 dev->dev_addr); 469 if (err) { 470 printk(KERN_ERR "%s: Error %d setting MAC address\n", 471 dev->name, err); 472 return err; 473 } 474 475 /* Set up the link mode */ 476 err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFPORTTYPE, 477 priv->port_type); 478 if (err) { 479 printk(KERN_ERR "%s: Error %d setting port type\n", 480 dev->name, err); 481 return err; 482 } 483 /* Set the channel/frequency */ 484 if (priv->channel != 0 && priv->iw_mode != NL80211_IFTYPE_STATION) { 485 err = hermes_write_wordrec(hw, USER_BAP, 486 HERMES_RID_CNFOWNCHANNEL, 487 priv->channel); 488 if (err) { 489 printk(KERN_ERR "%s: Error %d setting channel %d\n", 490 dev->name, err, priv->channel); 491 return err; 492 } 493 } 494 495 if (priv->has_ibss) { 496 u16 createibss; 497 498 if ((strlen(priv->desired_essid) == 0) && (priv->createibss)) { 499 printk(KERN_WARNING "%s: This firmware requires an " 500 "ESSID in IBSS-Ad-Hoc mode.\n", dev->name); 501 /* With wvlan_cs, in this case, we would crash. 502 * hopefully, this driver will behave better... 503 * Jean II */ 504 createibss = 0; 505 } else { 506 createibss = priv->createibss; 507 } 508 509 err = hermes_write_wordrec(hw, USER_BAP, 510 HERMES_RID_CNFCREATEIBSS, 511 createibss); 512 if (err) { 513 printk(KERN_ERR "%s: Error %d setting CREATEIBSS\n", 514 dev->name, err); 515 return err; 516 } 517 } 518 519 /* Set the desired BSSID */ 520 err = __orinoco_hw_set_wap(priv); 521 if (err) { 522 printk(KERN_ERR "%s: Error %d setting AP address\n", 523 dev->name, err); 524 return err; 525 } 526 527 /* Set the desired ESSID */ 528 idbuf.len = cpu_to_le16(strlen(priv->desired_essid)); 529 memcpy(&idbuf.val, priv->desired_essid, sizeof(idbuf.val)); 530 /* WinXP wants partner to configure OWNSSID even in IBSS mode. (jimc) */ 531 err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNSSID, 532 HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid) + 2), 533 &idbuf); 534 if (err) { 535 printk(KERN_ERR "%s: Error %d setting OWNSSID\n", 536 dev->name, err); 537 return err; 538 } 539 err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFDESIREDSSID, 540 HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid) + 2), 541 &idbuf); 542 if (err) { 543 printk(KERN_ERR "%s: Error %d setting DESIREDSSID\n", 544 dev->name, err); 545 return err; 546 } 547 548 /* Set the station name */ 549 idbuf.len = cpu_to_le16(strlen(priv->nick)); 550 memcpy(&idbuf.val, priv->nick, sizeof(idbuf.val)); 551 err = hw->ops->write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME, 552 HERMES_BYTES_TO_RECLEN(strlen(priv->nick) + 2), 553 &idbuf); 554 if (err) { 555 printk(KERN_ERR "%s: Error %d setting nickname\n", 556 dev->name, err); 557 return err; 558 } 559 560 /* Set AP density */ 561 if (priv->has_sensitivity) { 562 err = hermes_write_wordrec(hw, USER_BAP, 563 HERMES_RID_CNFSYSTEMSCALE, 564 priv->ap_density); 565 if (err) { 566 printk(KERN_WARNING "%s: Error %d setting SYSTEMSCALE. " 567 "Disabling sensitivity control\n", 568 dev->name, err); 569 570 priv->has_sensitivity = 0; 571 } 572 } 573 574 /* Set RTS threshold */ 575 err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD, 576 priv->rts_thresh); 577 if (err) { 578 printk(KERN_ERR "%s: Error %d setting RTS threshold\n", 579 dev->name, err); 580 return err; 581 } 582 583 /* Set fragmentation threshold or MWO robustness */ 584 if (priv->has_mwo) 585 err = hermes_write_wordrec(hw, USER_BAP, 586 HERMES_RID_CNFMWOROBUST_AGERE, 587 priv->mwo_robust); 588 else 589 err = hermes_write_wordrec(hw, USER_BAP, 590 HERMES_RID_CNFFRAGMENTATIONTHRESHOLD, 591 priv->frag_thresh); 592 if (err) { 593 printk(KERN_ERR "%s: Error %d setting fragmentation\n", 594 dev->name, err); 595 return err; 596 } 597 598 /* Set bitrate */ 599 err = __orinoco_hw_set_bitrate(priv); 600 if (err) { 601 printk(KERN_ERR "%s: Error %d setting bitrate\n", 602 dev->name, err); 603 return err; 604 } 605 606 /* Set power management */ 607 if (priv->has_pm) { 608 err = hermes_write_wordrec(hw, USER_BAP, 609 HERMES_RID_CNFPMENABLED, 610 priv->pm_on); 611 if (err) { 612 printk(KERN_ERR "%s: Error %d setting up PM\n", 613 dev->name, err); 614 return err; 615 } 616 617 err = hermes_write_wordrec(hw, USER_BAP, 618 HERMES_RID_CNFMULTICASTRECEIVE, 619 priv->pm_mcast); 620 if (err) { 621 printk(KERN_ERR "%s: Error %d setting up PM\n", 622 dev->name, err); 623 return err; 624 } 625 err = hermes_write_wordrec(hw, USER_BAP, 626 HERMES_RID_CNFMAXSLEEPDURATION, 627 priv->pm_period); 628 if (err) { 629 printk(KERN_ERR "%s: Error %d setting up PM\n", 630 dev->name, err); 631 return err; 632 } 633 err = hermes_write_wordrec(hw, USER_BAP, 634 HERMES_RID_CNFPMHOLDOVERDURATION, 635 priv->pm_timeout); 636 if (err) { 637 printk(KERN_ERR "%s: Error %d setting up PM\n", 638 dev->name, err); 639 return err; 640 } 641 } 642 643 /* Set preamble - only for Symbol so far... */ 644 if (priv->has_preamble) { 645 err = hermes_write_wordrec(hw, USER_BAP, 646 HERMES_RID_CNFPREAMBLE_SYMBOL, 647 priv->preamble); 648 if (err) { 649 printk(KERN_ERR "%s: Error %d setting preamble\n", 650 dev->name, err); 651 return err; 652 } 653 } 654 655 /* Set up encryption */ 656 if (priv->has_wep || priv->has_wpa) { 657 err = __orinoco_hw_setup_enc(priv); 658 if (err) { 659 printk(KERN_ERR "%s: Error %d activating encryption\n", 660 dev->name, err); 661 return err; 662 } 663 } 664 665 if (priv->iw_mode == NL80211_IFTYPE_MONITOR) { 666 /* Enable monitor mode */ 667 dev->type = ARPHRD_IEEE80211; 668 err = hw->ops->cmd_wait(hw, HERMES_CMD_TEST | 669 HERMES_TEST_MONITOR, 0, NULL); 670 } else { 671 /* Disable monitor mode */ 672 dev->type = ARPHRD_ETHER; 673 err = hw->ops->cmd_wait(hw, HERMES_CMD_TEST | 674 HERMES_TEST_STOP, 0, NULL); 675 } 676 if (err) 677 return err; 678 679 /* Reset promiscuity / multicast*/ 680 priv->promiscuous = 0; 681 priv->mc_count = 0; 682 683 /* Record mode change */ 684 wdev->iftype = priv->iw_mode; 685 686 return 0; 687 } 688 689 /* Get tsc from the firmware */ 690 int orinoco_hw_get_tkip_iv(struct orinoco_private *priv, int key, u8 *tsc) 691 { 692 struct hermes *hw = &priv->hw; 693 int err = 0; 694 u8 tsc_arr[4][ORINOCO_SEQ_LEN]; 695 696 if ((key < 0) || (key >= 4)) 697 return -EINVAL; 698 699 err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENT_TKIP_IV, 700 sizeof(tsc_arr), NULL, &tsc_arr); 701 if (!err) 702 memcpy(tsc, &tsc_arr[key][0], sizeof(tsc_arr[0])); 703 704 return err; 705 } 706 707 int __orinoco_hw_set_bitrate(struct orinoco_private *priv) 708 { 709 struct hermes *hw = &priv->hw; 710 int ratemode = priv->bitratemode; 711 int err = 0; 712 713 if (ratemode >= BITRATE_TABLE_SIZE) { 714 printk(KERN_ERR "%s: BUG: Invalid bitrate mode %d\n", 715 priv->ndev->name, ratemode); 716 return -EINVAL; 717 } 718 719 switch (priv->firmware_type) { 720 case FIRMWARE_TYPE_AGERE: 721 err = hermes_write_wordrec(hw, USER_BAP, 722 HERMES_RID_CNFTXRATECONTROL, 723 bitrate_table[ratemode].agere_txratectrl); 724 break; 725 case FIRMWARE_TYPE_INTERSIL: 726 case FIRMWARE_TYPE_SYMBOL: 727 err = hermes_write_wordrec(hw, USER_BAP, 728 HERMES_RID_CNFTXRATECONTROL, 729 bitrate_table[ratemode].intersil_txratectrl); 730 break; 731 default: 732 BUG(); 733 } 734 735 return err; 736 } 737 738 int orinoco_hw_get_act_bitrate(struct orinoco_private *priv, int *bitrate) 739 { 740 struct hermes *hw = &priv->hw; 741 int i; 742 int err = 0; 743 u16 val; 744 745 err = hermes_read_wordrec(hw, USER_BAP, 746 HERMES_RID_CURRENTTXRATE, &val); 747 if (err) 748 return err; 749 750 switch (priv->firmware_type) { 751 case FIRMWARE_TYPE_AGERE: /* Lucent style rate */ 752 /* Note : in Lucent firmware, the return value of 753 * HERMES_RID_CURRENTTXRATE is the bitrate in Mb/s, 754 * and therefore is totally different from the 755 * encoding of HERMES_RID_CNFTXRATECONTROL. 756 * Don't forget that 6Mb/s is really 5.5Mb/s */ 757 if (val == 6) 758 *bitrate = 5500000; 759 else 760 *bitrate = val * 1000000; 761 break; 762 case FIRMWARE_TYPE_INTERSIL: /* Intersil style rate */ 763 case FIRMWARE_TYPE_SYMBOL: /* Symbol style rate */ 764 for (i = 0; i < BITRATE_TABLE_SIZE; i++) 765 if (bitrate_table[i].intersil_txratectrl == val) { 766 *bitrate = bitrate_table[i].bitrate * 100000; 767 break; 768 } 769 770 if (i >= BITRATE_TABLE_SIZE) { 771 printk(KERN_INFO "%s: Unable to determine current bitrate (0x%04hx)\n", 772 priv->ndev->name, val); 773 err = -EIO; 774 } 775 776 break; 777 default: 778 BUG(); 779 } 780 781 return err; 782 } 783 784 /* Set fixed AP address */ 785 int __orinoco_hw_set_wap(struct orinoco_private *priv) 786 { 787 int roaming_flag; 788 int err = 0; 789 struct hermes *hw = &priv->hw; 790 791 switch (priv->firmware_type) { 792 case FIRMWARE_TYPE_AGERE: 793 /* not supported */ 794 break; 795 case FIRMWARE_TYPE_INTERSIL: 796 if (priv->bssid_fixed) 797 roaming_flag = 2; 798 else 799 roaming_flag = 1; 800 801 err = hermes_write_wordrec(hw, USER_BAP, 802 HERMES_RID_CNFROAMINGMODE, 803 roaming_flag); 804 break; 805 case FIRMWARE_TYPE_SYMBOL: 806 err = HERMES_WRITE_RECORD(hw, USER_BAP, 807 HERMES_RID_CNFMANDATORYBSSID_SYMBOL, 808 &priv->desired_bssid); 809 break; 810 } 811 return err; 812 } 813 814 /* Change the WEP keys and/or the current keys. Can be called 815 * either from __orinoco_hw_setup_enc() or directly from 816 * orinoco_ioctl_setiwencode(). In the later case the association 817 * with the AP is not broken (if the firmware can handle it), 818 * which is needed for 802.1x implementations. */ 819 int __orinoco_hw_setup_wepkeys(struct orinoco_private *priv) 820 { 821 struct hermes *hw = &priv->hw; 822 int err = 0; 823 int i; 824 825 switch (priv->firmware_type) { 826 case FIRMWARE_TYPE_AGERE: 827 { 828 struct orinoco_key keys[ORINOCO_MAX_KEYS]; 829 830 memset(&keys, 0, sizeof(keys)); 831 for (i = 0; i < ORINOCO_MAX_KEYS; i++) { 832 int len = min(priv->keys[i].key_len, 833 ORINOCO_MAX_KEY_SIZE); 834 memcpy(&keys[i].data, priv->keys[i].key, len); 835 if (len > SMALL_KEY_SIZE) 836 keys[i].len = cpu_to_le16(LARGE_KEY_SIZE); 837 else if (len > 0) 838 keys[i].len = cpu_to_le16(SMALL_KEY_SIZE); 839 else 840 keys[i].len = cpu_to_le16(0); 841 } 842 843 err = HERMES_WRITE_RECORD(hw, USER_BAP, 844 HERMES_RID_CNFWEPKEYS_AGERE, 845 &keys); 846 if (err) 847 return err; 848 err = hermes_write_wordrec(hw, USER_BAP, 849 HERMES_RID_CNFTXKEY_AGERE, 850 priv->tx_key); 851 if (err) 852 return err; 853 break; 854 } 855 case FIRMWARE_TYPE_INTERSIL: 856 case FIRMWARE_TYPE_SYMBOL: 857 { 858 int keylen; 859 860 /* Force uniform key length to work around 861 * firmware bugs */ 862 keylen = priv->keys[priv->tx_key].key_len; 863 864 if (keylen > LARGE_KEY_SIZE) { 865 printk(KERN_ERR "%s: BUG: Key %d has oversize length %d.\n", 866 priv->ndev->name, priv->tx_key, keylen); 867 return -E2BIG; 868 } else if (keylen > SMALL_KEY_SIZE) 869 keylen = LARGE_KEY_SIZE; 870 else if (keylen > 0) 871 keylen = SMALL_KEY_SIZE; 872 else 873 keylen = 0; 874 875 /* Write all 4 keys */ 876 for (i = 0; i < ORINOCO_MAX_KEYS; i++) { 877 u8 key[LARGE_KEY_SIZE] = { 0 }; 878 879 memcpy(key, priv->keys[i].key, 880 priv->keys[i].key_len); 881 882 err = hw->ops->write_ltv(hw, USER_BAP, 883 HERMES_RID_CNFDEFAULTKEY0 + i, 884 HERMES_BYTES_TO_RECLEN(keylen), 885 key); 886 if (err) 887 return err; 888 } 889 890 /* Write the index of the key used in transmission */ 891 err = hermes_write_wordrec(hw, USER_BAP, 892 HERMES_RID_CNFWEPDEFAULTKEYID, 893 priv->tx_key); 894 if (err) 895 return err; 896 } 897 break; 898 } 899 900 return 0; 901 } 902 903 int __orinoco_hw_setup_enc(struct orinoco_private *priv) 904 { 905 struct hermes *hw = &priv->hw; 906 int err = 0; 907 int master_wep_flag; 908 int auth_flag; 909 int enc_flag; 910 911 /* Setup WEP keys */ 912 if (priv->encode_alg == ORINOCO_ALG_WEP) 913 __orinoco_hw_setup_wepkeys(priv); 914 915 if (priv->wep_restrict) 916 auth_flag = HERMES_AUTH_SHARED_KEY; 917 else 918 auth_flag = HERMES_AUTH_OPEN; 919 920 if (priv->wpa_enabled) 921 enc_flag = 2; 922 else if (priv->encode_alg == ORINOCO_ALG_WEP) 923 enc_flag = 1; 924 else 925 enc_flag = 0; 926 927 switch (priv->firmware_type) { 928 case FIRMWARE_TYPE_AGERE: /* Agere style WEP */ 929 if (priv->encode_alg == ORINOCO_ALG_WEP) { 930 /* Enable the shared-key authentication. */ 931 err = hermes_write_wordrec(hw, USER_BAP, 932 HERMES_RID_CNFAUTHENTICATION_AGERE, 933 auth_flag); 934 } 935 err = hermes_write_wordrec(hw, USER_BAP, 936 HERMES_RID_CNFWEPENABLED_AGERE, 937 enc_flag); 938 if (err) 939 return err; 940 941 if (priv->has_wpa) { 942 /* Set WPA key management */ 943 err = hermes_write_wordrec(hw, USER_BAP, 944 HERMES_RID_CNFSETWPAAUTHMGMTSUITE_AGERE, 945 priv->key_mgmt); 946 if (err) 947 return err; 948 } 949 950 break; 951 952 case FIRMWARE_TYPE_INTERSIL: /* Intersil style WEP */ 953 case FIRMWARE_TYPE_SYMBOL: /* Symbol style WEP */ 954 if (priv->encode_alg == ORINOCO_ALG_WEP) { 955 if (priv->wep_restrict || 956 (priv->firmware_type == FIRMWARE_TYPE_SYMBOL)) 957 master_wep_flag = HERMES_WEP_PRIVACY_INVOKED | 958 HERMES_WEP_EXCL_UNENCRYPTED; 959 else 960 master_wep_flag = HERMES_WEP_PRIVACY_INVOKED; 961 962 err = hermes_write_wordrec(hw, USER_BAP, 963 HERMES_RID_CNFAUTHENTICATION, 964 auth_flag); 965 if (err) 966 return err; 967 } else 968 master_wep_flag = 0; 969 970 if (priv->iw_mode == NL80211_IFTYPE_MONITOR) 971 master_wep_flag |= HERMES_WEP_HOST_DECRYPT; 972 973 /* Master WEP setting : on/off */ 974 err = hermes_write_wordrec(hw, USER_BAP, 975 HERMES_RID_CNFWEPFLAGS_INTERSIL, 976 master_wep_flag); 977 if (err) 978 return err; 979 980 break; 981 } 982 983 return 0; 984 } 985 986 /* key must be 32 bytes, including the tx and rx MIC keys. 987 * rsc must be NULL or up to 8 bytes 988 * tsc must be NULL or up to 8 bytes 989 */ 990 int __orinoco_hw_set_tkip_key(struct orinoco_private *priv, int key_idx, 991 int set_tx, const u8 *key, const u8 *rsc, 992 size_t rsc_len, const u8 *tsc, size_t tsc_len) 993 { 994 struct { 995 __le16 idx; 996 u8 rsc[ORINOCO_SEQ_LEN]; 997 u8 key[TKIP_KEYLEN]; 998 u8 tx_mic[MIC_KEYLEN]; 999 u8 rx_mic[MIC_KEYLEN]; 1000 u8 tsc[ORINOCO_SEQ_LEN]; 1001 } __packed buf; 1002 struct hermes *hw = &priv->hw; 1003 int ret; 1004 int err; 1005 int k; 1006 u16 xmitting; 1007 1008 key_idx &= 0x3; 1009 1010 if (set_tx) 1011 key_idx |= 0x8000; 1012 1013 buf.idx = cpu_to_le16(key_idx); 1014 memcpy(buf.key, key, 1015 sizeof(buf.key) + sizeof(buf.tx_mic) + sizeof(buf.rx_mic)); 1016 1017 if (rsc_len > sizeof(buf.rsc)) 1018 rsc_len = sizeof(buf.rsc); 1019 1020 if (tsc_len > sizeof(buf.tsc)) 1021 tsc_len = sizeof(buf.tsc); 1022 1023 memset(buf.rsc, 0, sizeof(buf.rsc)); 1024 memset(buf.tsc, 0, sizeof(buf.tsc)); 1025 1026 if (rsc != NULL) 1027 memcpy(buf.rsc, rsc, rsc_len); 1028 1029 if (tsc != NULL) 1030 memcpy(buf.tsc, tsc, tsc_len); 1031 else 1032 buf.tsc[4] = 0x10; 1033 1034 /* Wait up to 100ms for tx queue to empty */ 1035 for (k = 100; k > 0; k--) { 1036 udelay(1000); 1037 ret = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_TXQUEUEEMPTY, 1038 &xmitting); 1039 if (ret || !xmitting) 1040 break; 1041 } 1042 1043 if (k == 0) 1044 ret = -ETIMEDOUT; 1045 1046 err = HERMES_WRITE_RECORD(hw, USER_BAP, 1047 HERMES_RID_CNFADDDEFAULTTKIPKEY_AGERE, 1048 &buf); 1049 1050 return ret ? ret : err; 1051 } 1052 1053 int orinoco_clear_tkip_key(struct orinoco_private *priv, int key_idx) 1054 { 1055 struct hermes *hw = &priv->hw; 1056 int err; 1057 1058 err = hermes_write_wordrec(hw, USER_BAP, 1059 HERMES_RID_CNFREMDEFAULTTKIPKEY_AGERE, 1060 key_idx); 1061 if (err) 1062 printk(KERN_WARNING "%s: Error %d clearing TKIP key %d\n", 1063 priv->ndev->name, err, key_idx); 1064 return err; 1065 } 1066 1067 int __orinoco_hw_set_multicast_list(struct orinoco_private *priv, 1068 struct net_device *dev, 1069 int mc_count, int promisc) 1070 { 1071 struct hermes *hw = &priv->hw; 1072 int err = 0; 1073 1074 if (promisc != priv->promiscuous) { 1075 err = hermes_write_wordrec(hw, USER_BAP, 1076 HERMES_RID_CNFPROMISCUOUSMODE, 1077 promisc); 1078 if (err) { 1079 printk(KERN_ERR "%s: Error %d setting PROMISCUOUSMODE to 1.\n", 1080 priv->ndev->name, err); 1081 } else 1082 priv->promiscuous = promisc; 1083 } 1084 1085 /* If we're not in promiscuous mode, then we need to set the 1086 * group address if either we want to multicast, or if we were 1087 * multicasting and want to stop */ 1088 if (!promisc && (mc_count || priv->mc_count)) { 1089 struct netdev_hw_addr *ha; 1090 struct hermes_multicast mclist; 1091 int i = 0; 1092 1093 netdev_for_each_mc_addr(ha, dev) { 1094 if (i == mc_count) 1095 break; 1096 memcpy(mclist.addr[i++], ha->addr, ETH_ALEN); 1097 } 1098 1099 err = hw->ops->write_ltv(hw, USER_BAP, 1100 HERMES_RID_CNFGROUPADDRESSES, 1101 HERMES_BYTES_TO_RECLEN(mc_count * ETH_ALEN), 1102 &mclist); 1103 if (err) 1104 printk(KERN_ERR "%s: Error %d setting multicast list.\n", 1105 priv->ndev->name, err); 1106 else 1107 priv->mc_count = mc_count; 1108 } 1109 return err; 1110 } 1111 1112 /* Return : < 0 -> error code ; >= 0 -> length */ 1113 int orinoco_hw_get_essid(struct orinoco_private *priv, int *active, 1114 char buf[IW_ESSID_MAX_SIZE + 1]) 1115 { 1116 struct hermes *hw = &priv->hw; 1117 int err = 0; 1118 struct hermes_idstring essidbuf; 1119 char *p = (char *)(&essidbuf.val); 1120 int len; 1121 unsigned long flags; 1122 1123 if (orinoco_lock(priv, &flags) != 0) 1124 return -EBUSY; 1125 1126 if (strlen(priv->desired_essid) > 0) { 1127 /* We read the desired SSID from the hardware rather 1128 than from priv->desired_essid, just in case the 1129 firmware is allowed to change it on us. I'm not 1130 sure about this */ 1131 /* My guess is that the OWNSSID should always be whatever 1132 * we set to the card, whereas CURRENT_SSID is the one that 1133 * may change... - Jean II */ 1134 u16 rid; 1135 1136 *active = 1; 1137 1138 rid = (priv->port_type == 3) ? HERMES_RID_CNFOWNSSID : 1139 HERMES_RID_CNFDESIREDSSID; 1140 1141 err = hw->ops->read_ltv(hw, USER_BAP, rid, sizeof(essidbuf), 1142 NULL, &essidbuf); 1143 if (err) 1144 goto fail_unlock; 1145 } else { 1146 *active = 0; 1147 1148 err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENTSSID, 1149 sizeof(essidbuf), NULL, &essidbuf); 1150 if (err) 1151 goto fail_unlock; 1152 } 1153 1154 len = le16_to_cpu(essidbuf.len); 1155 BUG_ON(len > IW_ESSID_MAX_SIZE); 1156 1157 memset(buf, 0, IW_ESSID_MAX_SIZE); 1158 memcpy(buf, p, len); 1159 err = len; 1160 1161 fail_unlock: 1162 orinoco_unlock(priv, &flags); 1163 1164 return err; 1165 } 1166 1167 int orinoco_hw_get_freq(struct orinoco_private *priv) 1168 { 1169 struct hermes *hw = &priv->hw; 1170 int err = 0; 1171 u16 channel; 1172 int freq = 0; 1173 unsigned long flags; 1174 1175 if (orinoco_lock(priv, &flags) != 0) 1176 return -EBUSY; 1177 1178 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CURRENTCHANNEL, 1179 &channel); 1180 if (err) 1181 goto out; 1182 1183 /* Intersil firmware 1.3.5 returns 0 when the interface is down */ 1184 if (channel == 0) { 1185 err = -EBUSY; 1186 goto out; 1187 } 1188 1189 if ((channel < 1) || (channel > NUM_CHANNELS)) { 1190 printk(KERN_WARNING "%s: Channel out of range (%d)!\n", 1191 priv->ndev->name, channel); 1192 err = -EBUSY; 1193 goto out; 1194 1195 } 1196 freq = ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ); 1197 1198 out: 1199 orinoco_unlock(priv, &flags); 1200 1201 if (err > 0) 1202 err = -EBUSY; 1203 return err ? err : freq; 1204 } 1205 1206 int orinoco_hw_get_bitratelist(struct orinoco_private *priv, 1207 int *numrates, s32 *rates, int max) 1208 { 1209 struct hermes *hw = &priv->hw; 1210 struct hermes_idstring list; 1211 unsigned char *p = (unsigned char *)&list.val; 1212 int err = 0; 1213 int num; 1214 int i; 1215 unsigned long flags; 1216 1217 if (orinoco_lock(priv, &flags) != 0) 1218 return -EBUSY; 1219 1220 err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_SUPPORTEDDATARATES, 1221 sizeof(list), NULL, &list); 1222 orinoco_unlock(priv, &flags); 1223 1224 if (err) 1225 return err; 1226 1227 num = le16_to_cpu(list.len); 1228 *numrates = num; 1229 num = min(num, max); 1230 1231 for (i = 0; i < num; i++) 1232 rates[i] = (p[i] & 0x7f) * 500000; /* convert to bps */ 1233 1234 return 0; 1235 } 1236 1237 int orinoco_hw_trigger_scan(struct orinoco_private *priv, 1238 const struct cfg80211_ssid *ssid) 1239 { 1240 struct net_device *dev = priv->ndev; 1241 struct hermes *hw = &priv->hw; 1242 unsigned long flags; 1243 int err = 0; 1244 1245 if (orinoco_lock(priv, &flags) != 0) 1246 return -EBUSY; 1247 1248 /* Scanning with port 0 disabled would fail */ 1249 if (!netif_running(dev)) { 1250 err = -ENETDOWN; 1251 goto out; 1252 } 1253 1254 /* In monitor mode, the scan results are always empty. 1255 * Probe responses are passed to the driver as received 1256 * frames and could be processed in software. */ 1257 if (priv->iw_mode == NL80211_IFTYPE_MONITOR) { 1258 err = -EOPNOTSUPP; 1259 goto out; 1260 } 1261 1262 if (priv->has_hostscan) { 1263 switch (priv->firmware_type) { 1264 case FIRMWARE_TYPE_SYMBOL: 1265 err = hermes_write_wordrec(hw, USER_BAP, 1266 HERMES_RID_CNFHOSTSCAN_SYMBOL, 1267 HERMES_HOSTSCAN_SYMBOL_ONCE | 1268 HERMES_HOSTSCAN_SYMBOL_BCAST); 1269 break; 1270 case FIRMWARE_TYPE_INTERSIL: { 1271 __le16 req[3]; 1272 1273 req[0] = cpu_to_le16(0x3fff); /* All channels */ 1274 req[1] = cpu_to_le16(0x0001); /* rate 1 Mbps */ 1275 req[2] = 0; /* Any ESSID */ 1276 err = HERMES_WRITE_RECORD(hw, USER_BAP, 1277 HERMES_RID_CNFHOSTSCAN, &req); 1278 break; 1279 } 1280 case FIRMWARE_TYPE_AGERE: 1281 if (ssid->ssid_len > 0) { 1282 struct hermes_idstring idbuf; 1283 size_t len = ssid->ssid_len; 1284 1285 idbuf.len = cpu_to_le16(len); 1286 memcpy(idbuf.val, ssid->ssid, len); 1287 1288 err = hw->ops->write_ltv(hw, USER_BAP, 1289 HERMES_RID_CNFSCANSSID_AGERE, 1290 HERMES_BYTES_TO_RECLEN(len + 2), 1291 &idbuf); 1292 } else 1293 err = hermes_write_wordrec(hw, USER_BAP, 1294 HERMES_RID_CNFSCANSSID_AGERE, 1295 0); /* Any ESSID */ 1296 if (err) 1297 break; 1298 1299 if (priv->has_ext_scan) { 1300 err = hermes_write_wordrec(hw, USER_BAP, 1301 HERMES_RID_CNFSCANCHANNELS2GHZ, 1302 0x7FFF); 1303 if (err) 1304 goto out; 1305 1306 err = hermes_inquire(hw, 1307 HERMES_INQ_CHANNELINFO); 1308 } else 1309 err = hermes_inquire(hw, HERMES_INQ_SCAN); 1310 1311 break; 1312 } 1313 } else 1314 err = hermes_inquire(hw, HERMES_INQ_SCAN); 1315 1316 out: 1317 orinoco_unlock(priv, &flags); 1318 1319 return err; 1320 } 1321 1322 /* Disassociate from node with BSSID addr */ 1323 int orinoco_hw_disassociate(struct orinoco_private *priv, 1324 u8 *addr, u16 reason_code) 1325 { 1326 struct hermes *hw = &priv->hw; 1327 int err; 1328 1329 struct { 1330 u8 addr[ETH_ALEN]; 1331 __le16 reason_code; 1332 } __packed buf; 1333 1334 /* Currently only supported by WPA enabled Agere fw */ 1335 if (!priv->has_wpa) 1336 return -EOPNOTSUPP; 1337 1338 memcpy(buf.addr, addr, ETH_ALEN); 1339 buf.reason_code = cpu_to_le16(reason_code); 1340 err = HERMES_WRITE_RECORD(hw, USER_BAP, 1341 HERMES_RID_CNFDISASSOCIATE, 1342 &buf); 1343 return err; 1344 } 1345 1346 int orinoco_hw_get_current_bssid(struct orinoco_private *priv, 1347 u8 *addr) 1348 { 1349 struct hermes *hw = &priv->hw; 1350 int err; 1351 1352 err = hw->ops->read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID, 1353 ETH_ALEN, NULL, addr); 1354 1355 return err; 1356 } 1357