drivers/staging/wlan-ng/prism2mgmt.c

   1 /* src/prism2/driver/prism2mgmt.c
   2 *
   3 * Management request handler functions.
   4 *
   5 * Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
   6 * --------------------------------------------------------------------
   7 *
   8 * linux-wlan
   9 *
  10 *   The contents of this file are subject to the Mozilla Public
  11 *   License Version 1.1 (the "License"); you may not use this file
  12 *   except in compliance with the License. You may obtain a copy of
  13 *   the License at http://www.mozilla.org/MPL/
  14 *
  15 *   Software distributed under the License is distributed on an "AS
  16 *   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  17 *   implied. See the License for the specific language governing
  18 *   rights and limitations under the License.
  19 *
  20 *   Alternatively, the contents of this file may be used under the
  21 *   terms of the GNU Public License version 2 (the "GPL"), in which
  22 *   case the provisions of the GPL are applicable instead of the
  23 *   above.  If you wish to allow the use of your version of this file
  24 *   only under the terms of the GPL and not to allow others to use
  25 *   your version of this file under the MPL, indicate your decision
  26 *   by deleting the provisions above and replace them with the notice
  27 *   and other provisions required by the GPL.  If you do not delete
  28 *   the provisions above, a recipient may use your version of this
  29 *   file under either the MPL or the GPL.
  30 *
  31 * --------------------------------------------------------------------
  32 *
  33 * Inquiries regarding the linux-wlan Open Source project can be
  34 * made directly to:
  35 *
  36 * AbsoluteValue Systems Inc.
  37 * info@linux-wlan.com
  38 * http://www.linux-wlan.com
  39 *
  40 * --------------------------------------------------------------------
  41 *
  42 * Portions of the development of this software were funded by
  43 * Intersil Corporation as part of PRISM(R) chipset product development.
  44 *
  45 * --------------------------------------------------------------------
  46 *
  47 * The functions in this file handle management requests sent from
  48 * user mode.
  49 *
  50 * Most of these functions have two separate blocks of code that are
  51 * conditional on whether this is a station or an AP.  This is used
  52 * to separate out the STA and AP responses to these management primitives.
  53 * It's a choice (good, bad, indifferent?) to have the code in the same
  54 * place so it's clear that the same primitive is implemented in both
  55 * cases but has different behavior.
  56 *
  57 * --------------------------------------------------------------------
  58 */
  59
  60 #include <linux/if_arp.h>
  61 #include <linux/module.h>
  62 #include <linux/kernel.h>
  63 #include <linux/wait.h>
  64 #include <linux/sched.h>
  65 #include <linux/types.h>
  66 #include <linux/wireless.h>
  67 #include <linux/netdevice.h>
  68 #include <linux/delay.h>
  69 #include <linux/io.h>
  70 #include <asm/byteorder.h>
  71 #include <linux/random.h>
  72 #include <linux/usb.h>
  73 #include <linux/bitops.h>
  74
  75 #include "p80211types.h"
  76 #include "p80211hdr.h"
  77 #include "p80211mgmt.h"
  78 #include "p80211conv.h"
  79 #include "p80211msg.h"
  80 #include "p80211netdev.h"
  81 #include "p80211metadef.h"
  82 #include "p80211metastruct.h"
  83 #include "hfa384x.h"
  84 #include "prism2mgmt.h"
  85
  86 /* Converts 802.11 format rate specifications to prism2 */
  87 #define p80211rate_to_p2bit(n)  ((((n)&~BIT(7)) == 2) ? BIT(0) :  \
  88                                  (((n)&~BIT(7)) == 4) ? BIT(1) : \
  89                                  (((n)&~BIT(7)) == 11) ? BIT(2) : \
  90                                  (((n)&~BIT(7)) == 22) ? BIT(3) : 0)
  91
  92 /*----------------------------------------------------------------
  93 * prism2mgmt_scan
  94 *
  95 * Initiate a scan for BSSs.
  96 *
  97 * This function corresponds to MLME-scan.request and part of
  98 * MLME-scan.confirm.  As far as I can tell in the standard, there
  99 * are no restrictions on when a scan.request may be issued.  We have
 100 * to handle in whatever state the driver/MAC happen to be.
 101 *
 102 * Arguments:
 103 *       wlandev         wlan device structure
 104 *       msgp            ptr to msg buffer
 105 *
 106 * Returns:
 107 *       0       success and done
 108 *       <0      success, but we're waiting for something to finish.
 109 *       >0      an error occurred while handling the message.
 110 * Side effects:
 111 *
 112 * Call context:
 113 *       process thread  (usually)
 114 *       interrupt
 115 ----------------------------------------------------------------*/
 116 int prism2mgmt_scan(wlandevice_t *wlandev, void *msgp)
 117 {
 118         int result = 0;
 119         hfa384x_t *hw = wlandev->priv;
 120         struct p80211msg_dot11req_scan *msg = msgp;
 121         u16 roamingmode, word;
 122         int i, timeout;
 123         int istmpenable = 0;
 124
 125         hfa384x_HostScanRequest_data_t scanreq;
 126
 127         /* gatekeeper check */
 128         if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
 129                                      hw->ident_sta_fw.minor,
 130                                      hw->ident_sta_fw.variant) <
 131             HFA384x_FIRMWARE_VERSION(1, 3, 2)) {
 132                 printk(KERN_ERR
 133                        "HostScan not supported with current firmware (<1.3.2).\n");
 134                 result = 1;
 135                 msg->resultcode.data = P80211ENUM_resultcode_not_supported;
 136                 goto exit;
 137         }
 138
 139         memset(&scanreq, 0, sizeof(scanreq));
 140
 141         /* save current roaming mode */
 142         result = hfa384x_drvr_getconfig16(hw,
 143                                           HFA384x_RID_CNFROAMINGMODE,
 144                                           &roamingmode);
 145         if (result) {
 146                 printk(KERN_ERR "getconfig(ROAMMODE) failed. result=%d\n",
 147                        result);
 148                 msg->resultcode.data =
 149                     P80211ENUM_resultcode_implementation_failure;
 150                 goto exit;
 151         }
 152
 153         /* drop into mode 3 for the scan */
 154         result = hfa384x_drvr_setconfig16(hw,
 155                                           HFA384x_RID_CNFROAMINGMODE,
 156                                           HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM);
 157         if (result) {
 158                 printk(KERN_ERR "setconfig(ROAMINGMODE) failed. result=%d\n",
 159                        result);
 160                 msg->resultcode.data =
 161                     P80211ENUM_resultcode_implementation_failure;
 162                 goto exit;
 163         }
 164
 165         /* active or passive? */
 166         if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
 167                                      hw->ident_sta_fw.minor,
 168                                      hw->ident_sta_fw.variant) >
 169             HFA384x_FIRMWARE_VERSION(1, 5, 0)) {
 170                 if (msg->scantype.data != P80211ENUM_scantype_active)
 171                         word = cpu_to_le16(msg->maxchanneltime.data);
 172                 else
 173                         word = 0;
 174
 175                 result =
 176                     hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPASSIVESCANCTRL,
 177                                              word);
 178                 if (result) {
 179                         printk(KERN_WARNING "Passive scan not supported with "
 180                                "current firmware.  (<1.5.1)\n");
 181                 }
 182         }
 183
 184         /* set up the txrate to be 2MBPS. Should be fastest basicrate... */
 185         word = HFA384x_RATEBIT_2;
 186         scanreq.txRate = cpu_to_le16(word);
 187
 188         /* set up the channel list */
 189         word = 0;
 190         for (i = 0; i < msg->channellist.data.len; i++) {
 191                 u8 channel = msg->channellist.data.data[i];
 192                 if (channel > 14)
 193                         continue;
 194                 /* channel 1 is BIT 0 ... channel 14 is BIT 13 */
 195                 word |= (1 << (channel - 1));
 196         }
 197         scanreq.channelList = cpu_to_le16(word);
 198
 199         /* set up the ssid, if present. */
 200         scanreq.ssid.len = cpu_to_le16(msg->ssid.data.len);
 201         memcpy(scanreq.ssid.data, msg->ssid.data.data, msg->ssid.data.len);
 202
 203         /* Enable the MAC port if it's not already enabled  */
 204         result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_PORTSTATUS, &word);
 205         if (result) {
 206                 printk(KERN_ERR "getconfig(PORTSTATUS) failed. "
 207                        "result=%d\n", result);
 208                 msg->resultcode.data =
 209                     P80211ENUM_resultcode_implementation_failure;
 210                 goto exit;
 211         }
 212         if (word == HFA384x_PORTSTATUS_DISABLED) {
 213                 u16 wordbuf[17];
 214
 215                 result = hfa384x_drvr_setconfig16(hw,
 216                                         HFA384x_RID_CNFROAMINGMODE,
 217                                         HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM);
 218                 if (result) {
 219                         printk(KERN_ERR
 220                                "setconfig(ROAMINGMODE) failed. result=%d\n",
 221                                result);
 222                         msg->resultcode.data =
 223                             P80211ENUM_resultcode_implementation_failure;
 224                         goto exit;
 225                 }
 226                 /* Construct a bogus SSID and assign it to OwnSSID and
 227                  * DesiredSSID
 228                  */
 229                 wordbuf[0] = cpu_to_le16(WLAN_SSID_MAXLEN);
 230                 get_random_bytes(&wordbuf[1], WLAN_SSID_MAXLEN);
 231                 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFOWNSSID,
 232                                                 wordbuf,
 233                                                 HFA384x_RID_CNFOWNSSID_LEN);
 234                 if (result) {
 235                         printk(KERN_ERR "Failed to set OwnSSID.\n");
 236                         msg->resultcode.data =
 237                             P80211ENUM_resultcode_implementation_failure;
 238                         goto exit;
 239                 }
 240                 result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
 241                                                 wordbuf,
 242                                                 HFA384x_RID_CNFDESIREDSSID_LEN);
 243                 if (result) {
 244                         printk(KERN_ERR "Failed to set DesiredSSID.\n");
 245                         msg->resultcode.data =
 246                             P80211ENUM_resultcode_implementation_failure;
 247                         goto exit;
 248                 }
 249                 /* bsstype */
 250                 result = hfa384x_drvr_setconfig16(hw,
 251                                                   HFA384x_RID_CNFPORTTYPE,
 252                                                   HFA384x_PORTTYPE_IBSS);
 253                 if (result) {
 254                         printk(KERN_ERR "Failed to set CNFPORTTYPE.\n");
 255                         msg->resultcode.data =
 256                             P80211ENUM_resultcode_implementation_failure;
 257                         goto exit;
 258                 }
 259                 /* ibss options */
 260                 result = hfa384x_drvr_setconfig16(hw,
 261                                         HFA384x_RID_CREATEIBSS,
 262                                         HFA384x_CREATEIBSS_JOINCREATEIBSS);
 263                 if (result) {
 264                         printk(KERN_ERR "Failed to set CREATEIBSS.\n");
 265                         msg->resultcode.data =
 266                             P80211ENUM_resultcode_implementation_failure;
 267                         goto exit;
 268                 }
 269                 result = hfa384x_drvr_enable(hw, 0);
 270                 if (result) {
 271                         printk(KERN_ERR "drvr_enable(0) failed. "
 272                                "result=%d\n", result);
 273                         msg->resultcode.data =
 274                             P80211ENUM_resultcode_implementation_failure;
 275                         goto exit;
 276                 }
 277                 istmpenable = 1;
 278         }
 279
 280         /* Figure out our timeout first Kus, then HZ */
 281         timeout = msg->channellist.data.len * msg->maxchanneltime.data;
 282         timeout = (timeout * HZ) / 1000;
 283
 284         /* Issue the scan request */
 285         hw->scanflag = 0;
 286
 287         result = hfa384x_drvr_setconfig(hw,
 288                                         HFA384x_RID_HOSTSCAN, &scanreq,
 289                                         sizeof(hfa384x_HostScanRequest_data_t));
 290         if (result) {
 291                 printk(KERN_ERR "setconfig(SCANREQUEST) failed. result=%d\n",
 292                        result);
 293                 msg->resultcode.data =
 294                     P80211ENUM_resultcode_implementation_failure;
 295                 goto exit;
 296         }
 297
 298         /* sleep until info frame arrives */
 299         wait_event_interruptible_timeout(hw->cmdq, hw->scanflag, timeout);
 300
 301         msg->numbss.status = P80211ENUM_msgitem_status_data_ok;
 302         if (hw->scanflag == -1)
 303                 hw->scanflag = 0;
 304
 305         msg->numbss.data = hw->scanflag;
 306
 307         hw->scanflag = 0;
 308
 309         /* Disable port if we temporarily enabled it. */
 310         if (istmpenable) {
 311                 result = hfa384x_drvr_disable(hw, 0);
 312                 if (result) {
 313                         printk(KERN_ERR "drvr_disable(0) failed. "
 314                                "result=%d\n", result);
 315                         msg->resultcode.data =
 316                             P80211ENUM_resultcode_implementation_failure;
 317                         goto exit;
 318                 }
 319         }
 320
 321         /* restore original roaming mode */
 322         result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFROAMINGMODE,
 323                                           roamingmode);
 324         if (result) {
 325                 printk(KERN_ERR "setconfig(ROAMMODE) failed. result=%d\n",
 326                        result);
 327                 msg->resultcode.data =
 328                     P80211ENUM_resultcode_implementation_failure;
 329                 goto exit;
 330         }
 331
 332         result = 0;
 333         msg->resultcode.data = P80211ENUM_resultcode_success;
 334
 335 exit:
 336         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 337
 338         return result;
 339 }
 340
 341 /*----------------------------------------------------------------
 342 * prism2mgmt_scan_results
 343 *
 344 * Retrieve the BSS description for one of the BSSs identified in
 345 * a scan.
 346 *
 347 * Arguments:
 348 *       wlandev         wlan device structure
 349 *       msgp            ptr to msg buffer
 350 *
 351 * Returns:
 352 *       0       success and done
 353 *       <0      success, but we're waiting for something to finish.
 354 *       >0      an error occurred while handling the message.
 355 * Side effects:
 356 *
 357 * Call context:
 358 *       process thread  (usually)
 359 *       interrupt
 360 ----------------------------------------------------------------*/
 361 int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp)
 362 {
 363         int result = 0;
 364         struct p80211msg_dot11req_scan_results *req;
 365         hfa384x_t *hw = wlandev->priv;
 366         hfa384x_HScanResultSub_t *item = NULL;
 367
 368         int count;
 369
 370         req = (struct p80211msg_dot11req_scan_results *) msgp;
 371
 372         req->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 373
 374         if (!hw->scanresults) {
 375                 printk(KERN_ERR
 376                        "dot11req_scan_results can only be used after a successful dot11req_scan.\n");
 377                 result = 2;
 378                 req->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
 379                 goto exit;
 380         }
 381
 382         count = (hw->scanresults->framelen - 3) / 32;
 383         if (count > 32)
 384                 count = 32;
 385
 386         if (req->bssindex.data >= count) {
 387                 pr_debug("requested index (%d) out of range (%d)\n",
 388                          req->bssindex.data, count);
 389                 result = 2;
 390                 req->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
 391                 goto exit;
 392         }
 393
 394         item = &(hw->scanresults->info.hscanresult.result[req->bssindex.data]);
 395         /* signal and noise */
 396         req->signal.status = P80211ENUM_msgitem_status_data_ok;
 397         req->noise.status = P80211ENUM_msgitem_status_data_ok;
 398         req->signal.data = le16_to_cpu(item->sl);
 399         req->noise.data = le16_to_cpu(item->anl);
 400
 401         /* BSSID */
 402         req->bssid.status = P80211ENUM_msgitem_status_data_ok;
 403         req->bssid.data.len = WLAN_BSSID_LEN;
 404         memcpy(req->bssid.data.data, item->bssid, WLAN_BSSID_LEN);
 405
 406         /* SSID */
 407         req->ssid.status = P80211ENUM_msgitem_status_data_ok;
 408         req->ssid.data.len = le16_to_cpu(item->ssid.len);
 409         memcpy(req->ssid.data.data, item->ssid.data, req->ssid.data.len);
 410
 411         /* supported rates */
 412         for (count = 0; count < 10; count++)
 413                 if (item->supprates[count] == 0)
 414                         break;
 415
 416 #define REQBASICRATE(N) \
 417         if ((count >= N) && DOT11_RATE5_ISBASIC_GET(item->supprates[(N)-1])) { \
 418                 req->basicrate ## N .data = item->supprates[(N)-1]; \
 419                 req->basicrate ## N .status = \
 420                         P80211ENUM_msgitem_status_data_ok; \
 421         }
 422
 423         REQBASICRATE(1);
 424         REQBASICRATE(2);
 425         REQBASICRATE(3);
 426         REQBASICRATE(4);
 427         REQBASICRATE(5);
 428         REQBASICRATE(6);
 429         REQBASICRATE(7);
 430         REQBASICRATE(8);
 431
 432 #define REQSUPPRATE(N) \
 433         if (count >= N) { \
 434                 req->supprate ## N .data = item->supprates[(N)-1]; \
 435                 req->supprate ## N .status = \
 436                         P80211ENUM_msgitem_status_data_ok; \
 437         }
 438
 439         REQSUPPRATE(1);
 440         REQSUPPRATE(2);
 441         REQSUPPRATE(3);
 442         REQSUPPRATE(4);
 443         REQSUPPRATE(5);
 444         REQSUPPRATE(6);
 445         REQSUPPRATE(7);
 446         REQSUPPRATE(8);
 447
 448         /* beacon period */
 449         req->beaconperiod.status = P80211ENUM_msgitem_status_data_ok;
 450         req->beaconperiod.data = le16_to_cpu(item->bcnint);
 451
 452         /* timestamps */
 453         req->timestamp.status = P80211ENUM_msgitem_status_data_ok;
 454         req->timestamp.data = jiffies;
 455         req->localtime.status = P80211ENUM_msgitem_status_data_ok;
 456         req->localtime.data = jiffies;
 457
 458         /* atim window */
 459         req->ibssatimwindow.status = P80211ENUM_msgitem_status_data_ok;
 460         req->ibssatimwindow.data = le16_to_cpu(item->atim);
 461
 462         /* Channel */
 463         req->dschannel.status = P80211ENUM_msgitem_status_data_ok;
 464         req->dschannel.data = le16_to_cpu(item->chid);
 465
 466         /* capinfo bits */
 467         count = le16_to_cpu(item->capinfo);
 468         req->capinfo.status = P80211ENUM_msgitem_status_data_ok;
 469         req->capinfo.data = count;
 470
 471         /* privacy flag */
 472         req->privacy.status = P80211ENUM_msgitem_status_data_ok;
 473         req->privacy.data = WLAN_GET_MGMT_CAP_INFO_PRIVACY(count);
 474
 475         /* cfpollable */
 476         req->cfpollable.status = P80211ENUM_msgitem_status_data_ok;
 477         req->cfpollable.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLABLE(count);
 478
 479         /* cfpollreq */
 480         req->cfpollreq.status = P80211ENUM_msgitem_status_data_ok;
 481         req->cfpollreq.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLREQ(count);
 482
 483         /* bsstype */
 484         req->bsstype.status = P80211ENUM_msgitem_status_data_ok;
 485         req->bsstype.data = (WLAN_GET_MGMT_CAP_INFO_ESS(count)) ?
 486             P80211ENUM_bsstype_infrastructure : P80211ENUM_bsstype_independent;
 487
 488         result = 0;
 489         req->resultcode.data = P80211ENUM_resultcode_success;
 490
 491 exit:
 492         return result;
 493 }
 494
 495 /*----------------------------------------------------------------
 496 * prism2mgmt_start
 497 *
 498 * Start a BSS.  Any station can do this for IBSS, only AP for ESS.
 499 *
 500 * Arguments:
 501 *       wlandev         wlan device structure
 502 *       msgp            ptr to msg buffer
 503 *
 504 * Returns:
 505 *       0       success and done
 506 *       <0      success, but we're waiting for something to finish.
 507 *       >0      an error occurred while handling the message.
 508 * Side effects:
 509 *
 510 * Call context:
 511 *       process thread  (usually)
 512 *       interrupt
 513 ----------------------------------------------------------------*/
 514 int prism2mgmt_start(wlandevice_t *wlandev, void *msgp)
 515 {
 516         int result = 0;
 517         hfa384x_t *hw = wlandev->priv;
 518         struct p80211msg_dot11req_start *msg = msgp;
 519
 520         p80211pstrd_t *pstr;
 521         u8 bytebuf[80];
 522         hfa384x_bytestr_t *p2bytestr = (hfa384x_bytestr_t *) bytebuf;
 523         u16 word;
 524
 525         wlandev->macmode = WLAN_MACMODE_NONE;
 526
 527         /* Set the SSID */
 528         memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data));
 529
 530         /*** ADHOC IBSS ***/
 531         /* see if current f/w is less than 8c3 */
 532         if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
 533                                      hw->ident_sta_fw.minor,
 534                                      hw->ident_sta_fw.variant) <
 535             HFA384x_FIRMWARE_VERSION(0, 8, 3)) {
 536                 /* Ad-Hoc not quite supported on Prism2 */
 537                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 538                 msg->resultcode.data = P80211ENUM_resultcode_not_supported;
 539                 goto done;
 540         }
 541
 542         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 543
 544         /*** STATION ***/
 545         /* Set the REQUIRED config items */
 546         /* SSID */
 547         pstr = (p80211pstrd_t *) &(msg->ssid.data);
 548         prism2mgmt_pstr2bytestr(p2bytestr, pstr);
 549         result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFOWNSSID,
 550                                         bytebuf, HFA384x_RID_CNFOWNSSID_LEN);
 551         if (result) {
 552                 printk(KERN_ERR "Failed to set CnfOwnSSID\n");
 553                 goto failed;
 554         }
 555         result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
 556                                         bytebuf,
 557                                         HFA384x_RID_CNFDESIREDSSID_LEN);
 558         if (result) {
 559                 printk(KERN_ERR "Failed to set CnfDesiredSSID\n");
 560                 goto failed;
 561         }
 562
 563         /* bsstype - we use the default in the ap firmware */
 564         /* IBSS port */
 565         hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, 0);
 566
 567         /* beacon period */
 568         word = msg->beaconperiod.data;
 569         result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAPBCNint, word);
 570         if (result) {
 571                 printk(KERN_ERR "Failed to set beacon period=%d.\n", word);
 572                 goto failed;
 573         }
 574
 575         /* dschannel */
 576         word = msg->dschannel.data;
 577         result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFOWNCHANNEL, word);
 578         if (result) {
 579                 printk(KERN_ERR "Failed to set channel=%d.\n", word);
 580                 goto failed;
 581         }
 582         /* Basic rates */
 583         word = p80211rate_to_p2bit(msg->basicrate1.data);
 584         if (msg->basicrate2.status == P80211ENUM_msgitem_status_data_ok)
 585                 word |= p80211rate_to_p2bit(msg->basicrate2.data);
 586
 587         if (msg->basicrate3.status == P80211ENUM_msgitem_status_data_ok)
 588                 word |= p80211rate_to_p2bit(msg->basicrate3.data);
 589
 590         if (msg->basicrate4.status == P80211ENUM_msgitem_status_data_ok)
 591                 word |= p80211rate_to_p2bit(msg->basicrate4.data);
 592
 593         if (msg->basicrate5.status == P80211ENUM_msgitem_status_data_ok)
 594                 word |= p80211rate_to_p2bit(msg->basicrate5.data);
 595
 596         if (msg->basicrate6.status == P80211ENUM_msgitem_status_data_ok)
 597                 word |= p80211rate_to_p2bit(msg->basicrate6.data);
 598
 599         if (msg->basicrate7.status == P80211ENUM_msgitem_status_data_ok)
 600                 word |= p80211rate_to_p2bit(msg->basicrate7.data);
 601
 602         if (msg->basicrate8.status == P80211ENUM_msgitem_status_data_ok)
 603                 word |= p80211rate_to_p2bit(msg->basicrate8.data);
 604
 605         result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFBASICRATES, word);
 606         if (result) {
 607                 printk(KERN_ERR "Failed to set basicrates=%d.\n", word);
 608                 goto failed;
 609         }
 610
 611         /* Operational rates (supprates and txratecontrol) */
 612         word = p80211rate_to_p2bit(msg->operationalrate1.data);
 613         if (msg->operationalrate2.status == P80211ENUM_msgitem_status_data_ok)
 614                 word |= p80211rate_to_p2bit(msg->operationalrate2.data);
 615
 616         if (msg->operationalrate3.status == P80211ENUM_msgitem_status_data_ok)
 617                 word |= p80211rate_to_p2bit(msg->operationalrate3.data);
 618
 619         if (msg->operationalrate4.status == P80211ENUM_msgitem_status_data_ok)
 620                 word |= p80211rate_to_p2bit(msg->operationalrate4.data);
 621
 622         if (msg->operationalrate5.status == P80211ENUM_msgitem_status_data_ok)
 623                 word |= p80211rate_to_p2bit(msg->operationalrate5.data);
 624
 625         if (msg->operationalrate6.status == P80211ENUM_msgitem_status_data_ok)
 626                 word |= p80211rate_to_p2bit(msg->operationalrate6.data);
 627
 628         if (msg->operationalrate7.status == P80211ENUM_msgitem_status_data_ok)
 629                 word |= p80211rate_to_p2bit(msg->operationalrate7.data);
 630
 631         if (msg->operationalrate8.status == P80211ENUM_msgitem_status_data_ok)
 632                 word |= p80211rate_to_p2bit(msg->operationalrate8.data);
 633
 634         result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, word);
 635         if (result) {
 636                 printk(KERN_ERR "Failed to set supprates=%d.\n", word);
 637                 goto failed;
 638         }
 639
 640         result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, word);
 641         if (result) {
 642                 printk(KERN_ERR "Failed to set txrates=%d.\n", word);
 643                 goto failed;
 644         }
 645
 646         /* Set the macmode so the frame setup code knows what to do */
 647         if (msg->bsstype.data == P80211ENUM_bsstype_independent) {
 648                 wlandev->macmode = WLAN_MACMODE_IBSS_STA;
 649                 /* lets extend the data length a bit */
 650                 hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, 2304);
 651         }
 652
 653         /* Enable the Port */
 654         result = hfa384x_drvr_enable(hw, 0);
 655         if (result) {
 656                 printk(KERN_ERR "Enable macport failed, result=%d.\n", result);
 657                 goto failed;
 658         }
 659
 660         msg->resultcode.data = P80211ENUM_resultcode_success;
 661
 662         goto done;
 663 failed:
 664         pr_debug("Failed to set a config option, result=%d\n", result);
 665         msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
 666
 667 done:
 668         result = 0;
 669
 670         return result;
 671 }
 672
 673 /*----------------------------------------------------------------
 674 * prism2mgmt_readpda
 675 *
 676 * Collect the PDA data and put it in the message.
 677 *
 678 * Arguments:
 679 *       wlandev         wlan device structure
 680 *       msgp            ptr to msg buffer
 681 *
 682 * Returns:
 683 *       0       success and done
 684 *       <0      success, but we're waiting for something to finish.
 685 *       >0      an error occurred while handling the message.
 686 * Side effects:
 687 *
 688 * Call context:
 689 *       process thread  (usually)
 690 ----------------------------------------------------------------*/
 691 int prism2mgmt_readpda(wlandevice_t *wlandev, void *msgp)
 692 {
 693         hfa384x_t *hw = wlandev->priv;
 694         struct p80211msg_p2req_readpda *msg = msgp;
 695         int result;
 696
 697         /* We only support collecting the PDA when in the FWLOAD
 698          * state.
 699          */
 700         if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
 701                 printk(KERN_ERR
 702                        "PDA may only be read " "in the fwload state.\n");
 703                 msg->resultcode.data =
 704                     P80211ENUM_resultcode_implementation_failure;
 705                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 706         } else {
 707                 /*  Call drvr_readpda(), it handles the auxport enable
 708                  *  and validating the returned PDA.
 709                  */
 710                 result = hfa384x_drvr_readpda(hw,
 711                                               msg->pda.data,
 712                                               HFA384x_PDA_LEN_MAX);
 713                 if (result) {
 714                         printk(KERN_ERR
 715                                "hfa384x_drvr_readpda() failed, "
 716                                "result=%d\n", result);
 717
 718                         msg->resultcode.data =
 719                             P80211ENUM_resultcode_implementation_failure;
 720                         msg->resultcode.status =
 721                             P80211ENUM_msgitem_status_data_ok;
 722                         return 0;
 723                 }
 724                 msg->pda.status = P80211ENUM_msgitem_status_data_ok;
 725                 msg->resultcode.data = P80211ENUM_resultcode_success;
 726                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 727         }
 728
 729         return 0;
 730 }
 731
 732 /*----------------------------------------------------------------
 733 * prism2mgmt_ramdl_state
 734 *
 735 * Establishes the beginning/end of a card RAM download session.
 736 *
 737 * It is expected that the ramdl_write() function will be called
 738 * one or more times between the 'enable' and 'disable' calls to
 739 * this function.
 740 *
 741 * Note: This function should not be called when a mac comm port
 742 *       is active.
 743 *
 744 * Arguments:
 745 *       wlandev         wlan device structure
 746 *       msgp            ptr to msg buffer
 747 *
 748 * Returns:
 749 *       0       success and done
 750 *       <0      success, but we're waiting for something to finish.
 751 *       >0      an error occurred while handling the message.
 752 * Side effects:
 753 *
 754 * Call context:
 755 *       process thread  (usually)
 756 ----------------------------------------------------------------*/
 757 int prism2mgmt_ramdl_state(wlandevice_t *wlandev, void *msgp)
 758 {
 759         hfa384x_t *hw = wlandev->priv;
 760         struct p80211msg_p2req_ramdl_state *msg = msgp;
 761
 762         if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
 763                 printk(KERN_ERR
 764                        "ramdl_state(): may only be called "
 765                        "in the fwload state.\n");
 766                 msg->resultcode.data =
 767                     P80211ENUM_resultcode_implementation_failure;
 768                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 769                 return 0;
 770         }
 771
 772         /*
 773          ** Note: Interrupts are locked out if this is an AP and are NOT
 774          ** locked out if this is a station.
 775          */
 776
 777         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 778         if (msg->enable.data == P80211ENUM_truth_true) {
 779                 if (hfa384x_drvr_ramdl_enable(hw, msg->exeaddr.data)) {
 780                         msg->resultcode.data =
 781                             P80211ENUM_resultcode_implementation_failure;
 782                 } else {
 783                         msg->resultcode.data = P80211ENUM_resultcode_success;
 784                 }
 785         } else {
 786                 hfa384x_drvr_ramdl_disable(hw);
 787                 msg->resultcode.data = P80211ENUM_resultcode_success;
 788         }
 789
 790         return 0;
 791 }
 792
 793 /*----------------------------------------------------------------
 794 * prism2mgmt_ramdl_write
 795 *
 796 * Writes a buffer to the card RAM using the download state.  This
 797 * is for writing code to card RAM.  To just read or write raw data
 798 * use the aux functions.
 799 *
 800 * Arguments:
 801 *       wlandev         wlan device structure
 802 *       msgp            ptr to msg buffer
 803 *
 804 * Returns:
 805 *       0       success and done
 806 *       <0      success, but we're waiting for something to finish.
 807 *       >0      an error occurred while handling the message.
 808 * Side effects:
 809 *
 810 * Call context:
 811 *       process thread  (usually)
 812 ----------------------------------------------------------------*/
 813 int prism2mgmt_ramdl_write(wlandevice_t *wlandev, void *msgp)
 814 {
 815         hfa384x_t *hw = wlandev->priv;
 816         struct p80211msg_p2req_ramdl_write *msg = msgp;
 817         u32 addr;
 818         u32 len;
 819         u8 *buf;
 820
 821         if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
 822                 printk(KERN_ERR
 823                        "ramdl_write(): may only be called "
 824                        "in the fwload state.\n");
 825                 msg->resultcode.data =
 826                     P80211ENUM_resultcode_implementation_failure;
 827                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 828                 return 0;
 829         }
 830
 831         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 832         /* first validate the length */
 833         if (msg->len.data > sizeof(msg->data.data)) {
 834                 msg->resultcode.status =
 835                     P80211ENUM_resultcode_invalid_parameters;
 836                 return 0;
 837         }
 838         /* call the hfa384x function to do the write */
 839         addr = msg->addr.data;
 840         len = msg->len.data;
 841         buf = msg->data.data;
 842         if (hfa384x_drvr_ramdl_write(hw, addr, buf, len))
 843                 msg->resultcode.data = P80211ENUM_resultcode_refused;
 844
 845         msg->resultcode.data = P80211ENUM_resultcode_success;
 846
 847         return 0;
 848 }
 849
 850 /*----------------------------------------------------------------
 851 * prism2mgmt_flashdl_state
 852 *
 853 * Establishes the beginning/end of a card Flash download session.
 854 *
 855 * It is expected that the flashdl_write() function will be called
 856 * one or more times between the 'enable' and 'disable' calls to
 857 * this function.
 858 *
 859 * Note: This function should not be called when a mac comm port
 860 *       is active.
 861 *
 862 * Arguments:
 863 *       wlandev         wlan device structure
 864 *       msgp            ptr to msg buffer
 865 *
 866 * Returns:
 867 *       0       success and done
 868 *       <0      success, but we're waiting for something to finish.
 869 *       >0      an error occurred while handling the message.
 870 * Side effects:
 871 *
 872 * Call context:
 873 *       process thread  (usually)
 874 ----------------------------------------------------------------*/
 875 int prism2mgmt_flashdl_state(wlandevice_t *wlandev, void *msgp)
 876 {
 877         int result = 0;
 878         hfa384x_t *hw = wlandev->priv;
 879         struct p80211msg_p2req_flashdl_state *msg = msgp;
 880
 881         if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
 882                 printk(KERN_ERR
 883                        "flashdl_state(): may only be called "
 884                        "in the fwload state.\n");
 885                 msg->resultcode.data =
 886                     P80211ENUM_resultcode_implementation_failure;
 887                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 888                 return 0;
 889         }
 890
 891         /*
 892          ** Note: Interrupts are locked out if this is an AP and are NOT
 893          ** locked out if this is a station.
 894          */
 895
 896         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 897         if (msg->enable.data == P80211ENUM_truth_true) {
 898                 if (hfa384x_drvr_flashdl_enable(hw)) {
 899                         msg->resultcode.data =
 900                             P80211ENUM_resultcode_implementation_failure;
 901                 } else {
 902                         msg->resultcode.data = P80211ENUM_resultcode_success;
 903                 }
 904         } else {
 905                 hfa384x_drvr_flashdl_disable(hw);
 906                 msg->resultcode.data = P80211ENUM_resultcode_success;
 907                 /* NOTE: At this point, the MAC is in the post-reset
 908                  * state and the driver is in the fwload state.
 909                  * We need to get the MAC back into the fwload
 910                  * state.  To do this, we set the nsdstate to HWPRESENT
 911                  * and then call the ifstate function to redo everything
 912                  * that got us into the fwload state.
 913                  */
 914                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 915                 result = prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload);
 916                 if (result != P80211ENUM_resultcode_success) {
 917                         printk(KERN_ERR "prism2sta_ifstate(fwload) failed,"
 918                                "P80211ENUM_resultcode=%d\n", result);
 919                         msg->resultcode.data =
 920                             P80211ENUM_resultcode_implementation_failure;
 921                         result = -1;
 922                 }
 923         }
 924
 925         return 0;
 926 }
 927
 928 /*----------------------------------------------------------------
 929 * prism2mgmt_flashdl_write
 930 *
 931 *
 932 *
 933 * Arguments:
 934 *       wlandev         wlan device structure
 935 *       msgp            ptr to msg buffer
 936 *
 937 * Returns:
 938 *       0       success and done
 939 *       <0      success, but we're waiting for something to finish.
 940 *       >0      an error occurred while handling the message.
 941 * Side effects:
 942 *
 943 * Call context:
 944 *       process thread  (usually)
 945 ----------------------------------------------------------------*/
 946 int prism2mgmt_flashdl_write(wlandevice_t *wlandev, void *msgp)
 947 {
 948         hfa384x_t *hw = wlandev->priv;
 949         struct p80211msg_p2req_flashdl_write *msg = msgp;
 950         u32 addr;
 951         u32 len;
 952         u8 *buf;
 953
 954         if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
 955                 printk(KERN_ERR
 956                        "flashdl_write(): may only be called "
 957                        "in the fwload state.\n");
 958                 msg->resultcode.data =
 959                     P80211ENUM_resultcode_implementation_failure;
 960                 msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 961                 return 0;
 962         }
 963
 964         /*
 965          ** Note: Interrupts are locked out if this is an AP and are NOT
 966          ** locked out if this is a station.
 967          */
 968
 969         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 970         /* first validate the length */
 971         if (msg->len.data > sizeof(msg->data.data)) {
 972                 msg->resultcode.status =
 973                     P80211ENUM_resultcode_invalid_parameters;
 974                 return 0;
 975         }
 976         /* call the hfa384x function to do the write */
 977         addr = msg->addr.data;
 978         len = msg->len.data;
 979         buf = msg->data.data;
 980         if (hfa384x_drvr_flashdl_write(hw, addr, buf, len))
 981                 msg->resultcode.data = P80211ENUM_resultcode_refused;
 982
 983         msg->resultcode.data = P80211ENUM_resultcode_success;
 984
 985         return 0;
 986 }
 987
 988 /*----------------------------------------------------------------
 989 * prism2mgmt_autojoin
 990 *
 991 * Associate with an ESS.
 992 *
 993 * Arguments:
 994 *       wlandev         wlan device structure
 995 *       msgp            ptr to msg buffer
 996 *
 997 * Returns:
 998 *       0       success and done
 999 *       <0      success, but we're waiting for something to finish.
1000 *       >0      an error occurred while handling the message.
1001 * Side effects:
1002 *
1003 * Call context:
1004 *       process thread  (usually)
1005 *       interrupt
1006 ----------------------------------------------------------------*/
1007 int prism2mgmt_autojoin(wlandevice_t *wlandev, void *msgp)
1008 {
1009         hfa384x_t *hw = wlandev->priv;
1010         int result = 0;
1011         u16 reg;
1012         u16 port_type;
1013         struct p80211msg_lnxreq_autojoin *msg = msgp;
1014         p80211pstrd_t *pstr;
1015         u8 bytebuf[256];
1016         hfa384x_bytestr_t *p2bytestr = (hfa384x_bytestr_t *) bytebuf;
1017
1018         wlandev->macmode = WLAN_MACMODE_NONE;
1019
1020         /* Set the SSID */
1021         memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data));
1022
1023         /* Disable the Port */
1024         hfa384x_drvr_disable(hw, 0);
1025
1026         /*** STATION ***/
1027         /* Set the TxRates */
1028         hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, 0x000f);
1029
1030         /* Set the auth type */
1031         if (msg->authtype.data == P80211ENUM_authalg_sharedkey)
1032                 reg = HFA384x_CNFAUTHENTICATION_SHAREDKEY;
1033         else
1034                 reg = HFA384x_CNFAUTHENTICATION_OPENSYSTEM;
1035
1036         hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAUTHENTICATION, reg);
1037
1038         /* Set the ssid */
1039         memset(bytebuf, 0, 256);
1040         pstr = (p80211pstrd_t *) &(msg->ssid.data);
1041         prism2mgmt_pstr2bytestr(p2bytestr, pstr);
1042         result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
1043                                         bytebuf,
1044                                         HFA384x_RID_CNFDESIREDSSID_LEN);
1045         port_type = HFA384x_PORTTYPE_BSS;
1046         /* Set the PortType */
1047         hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, port_type);
1048
1049         /* Enable the Port */
1050         hfa384x_drvr_enable(hw, 0);
1051
1052         /* Set the resultcode */
1053         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
1054         msg->resultcode.data = P80211ENUM_resultcode_success;
1055
1056         return result;
1057 }
1058
1059 /*----------------------------------------------------------------
1060 * prism2mgmt_wlansniff
1061 *
1062 * Start or stop sniffing.
1063 *
1064 * Arguments:
1065 *       wlandev         wlan device structure
1066 *       msgp            ptr to msg buffer
1067 *
1068 * Returns:
1069 *       0       success and done
1070 *       <0      success, but we're waiting for something to finish.
1071 *       >0      an error occurred while handling the message.
1072 * Side effects:
1073 *
1074 * Call context:
1075 *       process thread  (usually)
1076 *       interrupt
1077 ----------------------------------------------------------------*/
1078 int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp)
1079 {
1080         int result = 0;
1081         struct p80211msg_lnxreq_wlansniff *msg = msgp;
1082
1083         hfa384x_t *hw = wlandev->priv;
1084         u16 word;
1085
1086         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
1087         switch (msg->enable.data) {
1088         case P80211ENUM_truth_false:
1089                 /* Confirm that we're in monitor mode */
1090                 if (wlandev->netdev->type == ARPHRD_ETHER) {
1091                         msg->resultcode.data =
1092                             P80211ENUM_resultcode_invalid_parameters;
1093                         result = 0;
1094                         goto exit;
1095                 }
1096                 /* Disable monitor mode */
1097                 result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_DISABLE);
1098                 if (result) {
1099                         pr_debug("failed to disable monitor mode, result=%d\n",
1100                                  result);
1101                         goto failed;
1102                 }
1103                 /* Disable port 0 */
1104                 result = hfa384x_drvr_disable(hw, 0);
1105                 if (result) {
1106                         pr_debug
1107                         ("failed to disable port 0 after sniffing, result=%d\n",
1108                              result);
1109                         goto failed;
1110                 }
1111                 /* Clear the driver state */
1112                 wlandev->netdev->type = ARPHRD_ETHER;
1113
1114                 /* Restore the wepflags */
1115                 result = hfa384x_drvr_setconfig16(hw,
1116                                                   HFA384x_RID_CNFWEPFLAGS,
1117                                                   hw->presniff_wepflags);
1118                 if (result) {
1119                         pr_debug
1120                             ("failed to restore wepflags=0x%04x, result=%d\n",
1121                              hw->presniff_wepflags, result);
1122                         goto failed;
1123                 }
1124
1125                 /* Set the port to its prior type and enable (if necessary) */
1126                 if (hw->presniff_port_type != 0) {
1127                         word = hw->presniff_port_type;
1128                         result = hfa384x_drvr_setconfig16(hw,
1129                                                   HFA384x_RID_CNFPORTTYPE,
1130                                                   word);
1131                         if (result) {
1132                                 pr_debug
1133                                     ("failed to restore porttype, result=%d\n",
1134                                      result);
1135                                 goto failed;
1136                         }
1137
1138                         /* Enable the port */
1139                         result = hfa384x_drvr_enable(hw, 0);
1140                         if (result) {
1141                                 pr_debug
1142                                 ("failed to enable port to presniff setting, result=%d\n",
1143                                      result);
1144                                 goto failed;
1145                         }
1146                 } else {
1147                         result = hfa384x_drvr_disable(hw, 0);
1148
1149                 }
1150
1151                 printk(KERN_INFO "monitor mode disabled\n");
1152                 msg->resultcode.data = P80211ENUM_resultcode_success;
1153                 result = 0;
1154                 goto exit;
1155                 break;
1156         case P80211ENUM_truth_true:
1157                 /* Disable the port (if enabled), only check Port 0 */
1158                 if (hw->port_enabled[0]) {
1159                         if (wlandev->netdev->type == ARPHRD_ETHER) {
1160                                 /* Save macport 0 state */
1161                                 result = hfa384x_drvr_getconfig16(hw,
1162                                                   HFA384x_RID_CNFPORTTYPE,
1163                                                   &(hw->presniff_port_type));
1164                                 if (result) {
1165                                         pr_debug
1166                                         ("failed to read porttype, result=%d\n",
1167                                              result);
1168                                         goto failed;
1169                                 }
1170                                 /* Save the wepflags state */
1171                                 result = hfa384x_drvr_getconfig16(hw,
1172                                                   HFA384x_RID_CNFWEPFLAGS,
1173                                                   &(hw->presniff_wepflags));
1174                                 if (result) {
1175                                         pr_debug
1176                                         ("failed to read wepflags, result=%d\n",
1177                                              result);
1178                                         goto failed;
1179                                 }
1180                                 hfa384x_drvr_stop(hw);
1181                                 result = hfa384x_drvr_start(hw);
1182                                 if (result) {
1183                                         pr_debug
1184                                             ("failed to restart the card for sniffing, result=%d\n",
1185                                              result);
1186                                         goto failed;
1187                                 }
1188                         } else {
1189                                 /* Disable the port */
1190                                 result = hfa384x_drvr_disable(hw, 0);
1191                                 if (result) {
1192                                         pr_debug
1193                                             ("failed to enable port for sniffing, result=%d\n",
1194                                              result);
1195                                         goto failed;
1196                                 }
1197                         }
1198                 } else {
1199                         hw->presniff_port_type = 0;
1200                 }
1201
1202                 /* Set the channel we wish to sniff  */
1203                 word = msg->channel.data;
1204                 result = hfa384x_drvr_setconfig16(hw,
1205                                                   HFA384x_RID_CNFOWNCHANNEL,
1206                                                   word);
1207                 hw->sniff_channel = word;
1208
1209                 if (result) {
1210                         pr_debug("failed to set channel %d, result=%d\n",
1211                                  word, result);
1212                         goto failed;
1213                 }
1214
1215                 /* Now if we're already sniffing, we can skip the rest */
1216                 if (wlandev->netdev->type != ARPHRD_ETHER) {
1217                         /* Set the port type to pIbss */
1218                         word = HFA384x_PORTTYPE_PSUEDOIBSS;
1219                         result = hfa384x_drvr_setconfig16(hw,
1220                                                   HFA384x_RID_CNFPORTTYPE,
1221                                                   word);
1222                         if (result) {
1223                                 pr_debug
1224                                     ("failed to set porttype %d, result=%d\n",
1225                                      word, result);
1226                                 goto failed;
1227                         }
1228                         if ((msg->keepwepflags.status ==
1229                              P80211ENUM_msgitem_status_data_ok)
1230                             && (msg->keepwepflags.data !=
1231                                 P80211ENUM_truth_true)) {
1232                                 /* Set the wepflags for no decryption */
1233                                 word = HFA384x_WEPFLAGS_DISABLE_TXCRYPT |
1234                                     HFA384x_WEPFLAGS_DISABLE_RXCRYPT;
1235                                 result =
1236                                     hfa384x_drvr_setconfig16(hw,
1237                                                      HFA384x_RID_CNFWEPFLAGS,
1238                                                      word);
1239                         }
1240
1241                         if (result) {
1242                                 pr_debug
1243                                   ("failed to set wepflags=0x%04x, result=%d\n",
1244                                    word, result);
1245                                 goto failed;
1246                         }
1247                 }
1248
1249                 /* Do we want to strip the FCS in monitor mode? */
1250                 if ((msg->stripfcs.status == P80211ENUM_msgitem_status_data_ok)
1251                     && (msg->stripfcs.data == P80211ENUM_truth_true)) {
1252                         hw->sniff_fcs = 0;
1253                 } else {
1254                         hw->sniff_fcs = 1;
1255                 }
1256
1257                 /* Do we want to truncate the packets? */
1258                 if (msg->packet_trunc.status ==
1259                     P80211ENUM_msgitem_status_data_ok) {
1260                         hw->sniff_truncate = msg->packet_trunc.data;
1261                 } else {
1262                         hw->sniff_truncate = 0;
1263                 }
1264
1265                 /* Enable the port */
1266                 result = hfa384x_drvr_enable(hw, 0);
1267                 if (result) {
1268                         pr_debug
1269                             ("failed to enable port for sniffing, result=%d\n",
1270                              result);
1271                         goto failed;
1272                 }
1273                 /* Enable monitor mode */
1274                 result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_ENABLE);
1275                 if (result) {
1276                         pr_debug("failed to enable monitor mode, result=%d\n",
1277                                  result);
1278                         goto failed;
1279                 }
1280
1281                 if (wlandev->netdev->type == ARPHRD_ETHER)
1282                         printk(KERN_INFO "monitor mode enabled\n");
1283
1284                 /* Set the driver state */
1285                 /* Do we want the prism2 header? */
1286                 if ((msg->prismheader.status ==
1287                      P80211ENUM_msgitem_status_data_ok)
1288                     && (msg->prismheader.data == P80211ENUM_truth_true)) {
1289                         hw->sniffhdr = 0;
1290                         wlandev->netdev->type = ARPHRD_IEEE80211_PRISM;
1291                 } else
1292                     if ((msg->wlanheader.status ==
1293                          P80211ENUM_msgitem_status_data_ok)
1294                         && (msg->wlanheader.data == P80211ENUM_truth_true)) {
1295                         hw->sniffhdr = 1;
1296                         wlandev->netdev->type = ARPHRD_IEEE80211_PRISM;
1297                 } else {
1298                         wlandev->netdev->type = ARPHRD_IEEE80211;
1299                 }
1300
1301                 msg->resultcode.data = P80211ENUM_resultcode_success;
1302                 result = 0;
1303                 goto exit;
1304                 break;
1305         default:
1306                 msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
1307                 result = 0;
1308                 goto exit;
1309                 break;
1310         }
1311
1312 failed:
1313         msg->resultcode.data = P80211ENUM_resultcode_refused;
1314         result = 0;
1315 exit:
1316         return result;
1317 }