kernel/drivers/staging/wlan-ng/prism2sta.c

   1 /* src/prism2/driver/prism2sta.c
   2 *
   3 * Implements the station functionality for prism2
   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 * This file implements the module and linux pcmcia routines for the
  48 * prism2 driver.
  49 *
  50 * --------------------------------------------------------------------
  51 */
  52
  53 #include <linux/module.h>
  54 #include <linux/kernel.h>
  55 #include <linux/sched.h>
  56 #include <linux/types.h>
  57 #include <linux/slab.h>
  58 #include <linux/wireless.h>
  59 #include <linux/netdevice.h>
  60 #include <linux/workqueue.h>
  61 #include <linux/byteorder/generic.h>
  62 #include <linux/etherdevice.h>
  63
  64 #include <linux/io.h>
  65 #include <linux/delay.h>
  66 #include <asm/byteorder.h>
  67 #include <linux/if_arp.h>
  68 #include <linux/if_ether.h>
  69 #include <linux/bitops.h>
  70
  71 #include "p80211types.h"
  72 #include "p80211hdr.h"
  73 #include "p80211mgmt.h"
  74 #include "p80211conv.h"
  75 #include "p80211msg.h"
  76 #include "p80211netdev.h"
  77 #include "p80211req.h"
  78 #include "p80211metadef.h"
  79 #include "p80211metastruct.h"
  80 #include "hfa384x.h"
  81 #include "prism2mgmt.h"
  82
  83 static char *dev_info = "prism2_usb";
  84 static wlandevice_t *create_wlan(void);
  85
  86 int prism2_reset_holdtime = 30; /* Reset hold time in ms */
  87 int prism2_reset_settletime = 100;      /* Reset settle time in ms */
  88
  89 static int prism2_doreset;      /* Do a reset at init? */
  90
  91 module_param(prism2_doreset, int, 0644);
  92 MODULE_PARM_DESC(prism2_doreset, "Issue a reset on initialization");
  93
  94 module_param(prism2_reset_holdtime, int, 0644);
  95 MODULE_PARM_DESC(prism2_reset_holdtime, "reset hold time in ms");
  96 module_param(prism2_reset_settletime, int, 0644);
  97 MODULE_PARM_DESC(prism2_reset_settletime, "reset settle time in ms");
  98
  99 MODULE_LICENSE("Dual MPL/GPL");
 100
 101 static int prism2sta_open(wlandevice_t *wlandev);
 102 static int prism2sta_close(wlandevice_t *wlandev);
 103 static void prism2sta_reset(wlandevice_t *wlandev);
 104 static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb,
 105                              union p80211_hdr *p80211_hdr,
 106                              struct p80211_metawep *p80211_wep);
 107 static int prism2sta_mlmerequest(wlandevice_t *wlandev, struct p80211msg *msg);
 108 static int prism2sta_getcardinfo(wlandevice_t *wlandev);
 109 static int prism2sta_globalsetup(wlandevice_t *wlandev);
 110 static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev);
 111
 112 static void prism2sta_inf_handover(wlandevice_t *wlandev,
 113                                    hfa384x_InfFrame_t *inf);
 114 static void prism2sta_inf_tallies(wlandevice_t *wlandev,
 115                                   hfa384x_InfFrame_t *inf);
 116 static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev,
 117                                           hfa384x_InfFrame_t *inf);
 118 static void prism2sta_inf_scanresults(wlandevice_t *wlandev,
 119                                       hfa384x_InfFrame_t *inf);
 120 static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
 121                                         hfa384x_InfFrame_t *inf);
 122 static void prism2sta_inf_linkstatus(wlandevice_t *wlandev,
 123                                      hfa384x_InfFrame_t *inf);
 124 static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
 125                                       hfa384x_InfFrame_t *inf);
 126 static void prism2sta_inf_authreq(wlandevice_t *wlandev,
 127                                   hfa384x_InfFrame_t *inf);
 128 static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
 129                                         hfa384x_InfFrame_t *inf);
 130 static void prism2sta_inf_psusercnt(wlandevice_t *wlandev,
 131                                     hfa384x_InfFrame_t *inf);
 132
 133 /*----------------------------------------------------------------
 134 * prism2sta_open
 135 *
 136 * WLAN device open method.  Called from p80211netdev when kernel
 137 * device open (start) method is called in response to the
 138 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
 139 * from clear to set.
 140 *
 141 * Arguments:
 142 *       wlandev         wlan device structure
 143 *
 144 * Returns:
 145 *       0       success
 146 *       >0      f/w reported error
 147 *       <0      driver reported error
 148 *
 149 * Side effects:
 150 *
 151 * Call context:
 152 *       process thread
 153 ----------------------------------------------------------------*/
 154 static int prism2sta_open(wlandevice_t *wlandev)
 155 {
 156         /* We don't currently have to do anything else.
 157          * The setup of the MAC should be subsequently completed via
 158          * the mlme commands.
 159          * Higher layers know we're ready from dev->start==1 and
 160          * dev->tbusy==0.  Our rx path knows to pass up received/
 161          * frames because of dev->flags&IFF_UP is true.
 162          */
 163
 164         return 0;
 165 }
 166
 167 /*----------------------------------------------------------------
 168 * prism2sta_close
 169 *
 170 * WLAN device close method.  Called from p80211netdev when kernel
 171 * device close method is called in response to the
 172 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
 173 * from set to clear.
 174 *
 175 * Arguments:
 176 *       wlandev         wlan device structure
 177 *
 178 * Returns:
 179 *       0       success
 180 *       >0      f/w reported error
 181 *       <0      driver reported error
 182 *
 183 * Side effects:
 184 *
 185 * Call context:
 186 *       process thread
 187 ----------------------------------------------------------------*/
 188 static int prism2sta_close(wlandevice_t *wlandev)
 189 {
 190         /* We don't currently have to do anything else.
 191          * Higher layers know we're not ready from dev->start==0 and
 192          * dev->tbusy==1.  Our rx path knows to not pass up received
 193          * frames because of dev->flags&IFF_UP is false.
 194          */
 195
 196         return 0;
 197 }
 198
 199 /*----------------------------------------------------------------
 200 * prism2sta_reset
 201 *
 202 * Currently not implemented.
 203 *
 204 * Arguments:
 205 *       wlandev         wlan device structure
 206 *       none
 207 *
 208 * Returns:
 209 *       nothing
 210 *
 211 * Side effects:
 212 *
 213 * Call context:
 214 *       process thread
 215 ----------------------------------------------------------------*/
 216 static void prism2sta_reset(wlandevice_t *wlandev)
 217 {
 218 }
 219
 220 /*----------------------------------------------------------------
 221 * prism2sta_txframe
 222 *
 223 * Takes a frame from p80211 and queues it for transmission.
 224 *
 225 * Arguments:
 226 *       wlandev         wlan device structure
 227 *       pb              packet buffer struct.  Contains an 802.11
 228 *                       data frame.
 229 *       p80211_hdr      points to the 802.11 header for the packet.
 230 * Returns:
 231 *       0               Success and more buffs available
 232 *       1               Success but no more buffs
 233 *       2               Allocation failure
 234 *       4               Buffer full or queue busy
 235 *
 236 * Side effects:
 237 *
 238 * Call context:
 239 *       process thread
 240 ----------------------------------------------------------------*/
 241 static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb,
 242                              union p80211_hdr *p80211_hdr,
 243                              struct p80211_metawep *p80211_wep)
 244 {
 245         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 246
 247         /* If necessary, set the 802.11 WEP bit */
 248         if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) ==
 249             HOSTWEP_PRIVACYINVOKED) {
 250                 p80211_hdr->a3.fc |= cpu_to_le16(WLAN_SET_FC_ISWEP(1));
 251         }
 252
 253         return hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep);
 254 }
 255
 256 /*----------------------------------------------------------------
 257 * prism2sta_mlmerequest
 258 *
 259 * wlan command message handler.  All we do here is pass the message
 260 * over to the prism2sta_mgmt_handler.
 261 *
 262 * Arguments:
 263 *       wlandev         wlan device structure
 264 *       msg             wlan command message
 265 * Returns:
 266 *       0               success
 267 *       <0              successful acceptance of message, but we're
 268 *                       waiting for an async process to finish before
 269 *                       we're done with the msg.  When the asynch
 270 *                       process is done, we'll call the p80211
 271 *                       function p80211req_confirm() .
 272 *       >0              An error occurred while we were handling
 273 *                       the message.
 274 *
 275 * Side effects:
 276 *
 277 * Call context:
 278 *       process thread
 279 ----------------------------------------------------------------*/
 280 static int prism2sta_mlmerequest(wlandevice_t *wlandev, struct p80211msg *msg)
 281 {
 282         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 283
 284         int result = 0;
 285
 286         switch (msg->msgcode) {
 287         case DIDmsg_dot11req_mibget:
 288                 pr_debug("Received mibget request\n");
 289                 result = prism2mgmt_mibset_mibget(wlandev, msg);
 290                 break;
 291         case DIDmsg_dot11req_mibset:
 292                 pr_debug("Received mibset request\n");
 293                 result = prism2mgmt_mibset_mibget(wlandev, msg);
 294                 break;
 295         case DIDmsg_dot11req_scan:
 296                 pr_debug("Received scan request\n");
 297                 result = prism2mgmt_scan(wlandev, msg);
 298                 break;
 299         case DIDmsg_dot11req_scan_results:
 300                 pr_debug("Received scan_results request\n");
 301                 result = prism2mgmt_scan_results(wlandev, msg);
 302                 break;
 303         case DIDmsg_dot11req_start:
 304                 pr_debug("Received mlme start request\n");
 305                 result = prism2mgmt_start(wlandev, msg);
 306                 break;
 307                 /*
 308                  * Prism2 specific messages
 309                  */
 310         case DIDmsg_p2req_readpda:
 311                 pr_debug("Received mlme readpda request\n");
 312                 result = prism2mgmt_readpda(wlandev, msg);
 313                 break;
 314         case DIDmsg_p2req_ramdl_state:
 315                 pr_debug("Received mlme ramdl_state request\n");
 316                 result = prism2mgmt_ramdl_state(wlandev, msg);
 317                 break;
 318         case DIDmsg_p2req_ramdl_write:
 319                 pr_debug("Received mlme ramdl_write request\n");
 320                 result = prism2mgmt_ramdl_write(wlandev, msg);
 321                 break;
 322         case DIDmsg_p2req_flashdl_state:
 323                 pr_debug("Received mlme flashdl_state request\n");
 324                 result = prism2mgmt_flashdl_state(wlandev, msg);
 325                 break;
 326         case DIDmsg_p2req_flashdl_write:
 327                 pr_debug("Received mlme flashdl_write request\n");
 328                 result = prism2mgmt_flashdl_write(wlandev, msg);
 329                 break;
 330                 /*
 331                  * Linux specific messages
 332                  */
 333         case DIDmsg_lnxreq_hostwep:
 334                 break;          /* ignore me. */
 335         case DIDmsg_lnxreq_ifstate:
 336                 {
 337                         struct p80211msg_lnxreq_ifstate *ifstatemsg;
 338
 339                         pr_debug("Received mlme ifstate request\n");
 340                         ifstatemsg = (struct p80211msg_lnxreq_ifstate *) msg;
 341                         result =
 342                             prism2sta_ifstate(wlandev,
 343                                               ifstatemsg->ifstate.data);
 344                         ifstatemsg->resultcode.status =
 345                             P80211ENUM_msgitem_status_data_ok;
 346                         ifstatemsg->resultcode.data = result;
 347                         result = 0;
 348                 }
 349                 break;
 350         case DIDmsg_lnxreq_wlansniff:
 351                 pr_debug("Received mlme wlansniff request\n");
 352                 result = prism2mgmt_wlansniff(wlandev, msg);
 353                 break;
 354         case DIDmsg_lnxreq_autojoin:
 355                 pr_debug("Received mlme autojoin request\n");
 356                 result = prism2mgmt_autojoin(wlandev, msg);
 357                 break;
 358         case DIDmsg_lnxreq_commsquality:{
 359                         struct p80211msg_lnxreq_commsquality *qualmsg;
 360
 361                         pr_debug("Received commsquality request\n");
 362
 363                         qualmsg = (struct p80211msg_lnxreq_commsquality *) msg;
 364
 365                         qualmsg->link.status =
 366                             P80211ENUM_msgitem_status_data_ok;
 367                         qualmsg->level.status =
 368                             P80211ENUM_msgitem_status_data_ok;
 369                         qualmsg->noise.status =
 370                             P80211ENUM_msgitem_status_data_ok;
 371
 372                         qualmsg->link.data = le16_to_cpu(hw->qual.CQ_currBSS);
 373                         qualmsg->level.data = le16_to_cpu(hw->qual.ASL_currBSS);
 374                         qualmsg->noise.data = le16_to_cpu(hw->qual.ANL_currFC);
 375                         qualmsg->txrate.data = hw->txrate;
 376
 377                         break;
 378                 }
 379         default:
 380                 netdev_warn(wlandev->netdev,
 381                             "Unknown mgmt request message 0x%08x",
 382                             msg->msgcode);
 383                 break;
 384         }
 385
 386         return result;
 387 }
 388
 389 /*----------------------------------------------------------------
 390 * prism2sta_ifstate
 391 *
 392 * Interface state.  This is the primary WLAN interface enable/disable
 393 * handler.  Following the driver/load/deviceprobe sequence, this
 394 * function must be called with a state of "enable" before any other
 395 * commands will be accepted.
 396 *
 397 * Arguments:
 398 *       wlandev         wlan device structure
 399 *       msgp            ptr to msg buffer
 400 *
 401 * Returns:
 402 *       A p80211 message resultcode value.
 403 *
 404 * Side effects:
 405 *
 406 * Call context:
 407 *       process thread  (usually)
 408 *       interrupt
 409 ----------------------------------------------------------------*/
 410 u32 prism2sta_ifstate(wlandevice_t *wlandev, u32 ifstate)
 411 {
 412         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 413         u32 result;
 414
 415         result = P80211ENUM_resultcode_implementation_failure;
 416
 417         pr_debug("Current MSD state(%d), requesting(%d)\n",
 418                  wlandev->msdstate, ifstate);
 419         switch (ifstate) {
 420         case P80211ENUM_ifstate_fwload:
 421                 switch (wlandev->msdstate) {
 422                 case WLAN_MSD_HWPRESENT:
 423                         wlandev->msdstate = WLAN_MSD_FWLOAD_PENDING;
 424                         /*
 425                          * Initialize the device+driver sufficiently
 426                          * for firmware loading.
 427                          */
 428                         result = hfa384x_drvr_start(hw);
 429                         if (result) {
 430                                 netdev_err(wlandev->netdev,
 431                                        "hfa384x_drvr_start() failed,result=%d\n", (int)result);
 432                                 result =
 433                                  P80211ENUM_resultcode_implementation_failure;
 434                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 435                                 break;
 436                         }
 437                         wlandev->msdstate = WLAN_MSD_FWLOAD;
 438                         result = P80211ENUM_resultcode_success;
 439                         break;
 440                 case WLAN_MSD_FWLOAD:
 441                         hfa384x_cmd_initialize(hw);
 442                         result = P80211ENUM_resultcode_success;
 443                         break;
 444                 case WLAN_MSD_RUNNING:
 445                         netdev_warn(wlandev->netdev,
 446                                     "Cannot enter fwload state from enable state, you must disable first.\n");
 447                         result = P80211ENUM_resultcode_invalid_parameters;
 448                         break;
 449                 case WLAN_MSD_HWFAIL:
 450                 default:
 451                         /* probe() had a problem or the msdstate contains
 452                          * an unrecognized value, there's nothing we can do.
 453                          */
 454                         result = P80211ENUM_resultcode_implementation_failure;
 455                         break;
 456                 }
 457                 break;
 458         case P80211ENUM_ifstate_enable:
 459                 switch (wlandev->msdstate) {
 460                 case WLAN_MSD_HWPRESENT:
 461                 case WLAN_MSD_FWLOAD:
 462                         wlandev->msdstate = WLAN_MSD_RUNNING_PENDING;
 463                         /* Initialize the device+driver for full
 464                          * operation. Note that this might me an FWLOAD to
 465                          * to RUNNING transition so we must not do a chip
 466                          * or board level reset.  Note that on failure,
 467                          * the MSD state is set to HWPRESENT because we
 468                          * can't make any assumptions about the state
 469                          * of the hardware or a previous firmware load.
 470                          */
 471                         result = hfa384x_drvr_start(hw);
 472                         if (result) {
 473                                 netdev_err(wlandev->netdev,
 474                                        "hfa384x_drvr_start() failed,result=%d\n", (int)result);
 475                                 result =
 476                                   P80211ENUM_resultcode_implementation_failure;
 477                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 478                                 break;
 479                         }
 480
 481                         result = prism2sta_getcardinfo(wlandev);
 482                         if (result) {
 483                                 netdev_err(wlandev->netdev,
 484                                        "prism2sta_getcardinfo() failed,result=%d\n", (int)result);
 485                                 result =
 486                                   P80211ENUM_resultcode_implementation_failure;
 487                                 hfa384x_drvr_stop(hw);
 488                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 489                                 break;
 490                         }
 491                         result = prism2sta_globalsetup(wlandev);
 492                         if (result) {
 493                                 netdev_err(wlandev->netdev,
 494                                        "prism2sta_globalsetup() failed,result=%d\n", (int)result);
 495                                 result =
 496                                   P80211ENUM_resultcode_implementation_failure;
 497                                 hfa384x_drvr_stop(hw);
 498                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 499                                 break;
 500                         }
 501                         wlandev->msdstate = WLAN_MSD_RUNNING;
 502                         hw->join_ap = 0;
 503                         hw->join_retries = 60;
 504                         result = P80211ENUM_resultcode_success;
 505                         break;
 506                 case WLAN_MSD_RUNNING:
 507                         /* Do nothing, we're already in this state. */
 508                         result = P80211ENUM_resultcode_success;
 509                         break;
 510                 case WLAN_MSD_HWFAIL:
 511                 default:
 512                         /* probe() had a problem or the msdstate contains
 513                          * an unrecognized value, there's nothing we can do.
 514                          */
 515                         result = P80211ENUM_resultcode_implementation_failure;
 516                         break;
 517                 }
 518                 break;
 519         case P80211ENUM_ifstate_disable:
 520                 switch (wlandev->msdstate) {
 521                 case WLAN_MSD_HWPRESENT:
 522                         /* Do nothing, we're already in this state. */
 523                         result = P80211ENUM_resultcode_success;
 524                         break;
 525                 case WLAN_MSD_FWLOAD:
 526                 case WLAN_MSD_RUNNING:
 527                         wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
 528                         /*
 529                          * TODO: Shut down the MAC completely. Here a chip
 530                          * or board level reset is probably called for.
 531                          * After a "disable" _all_ results are lost, even
 532                          * those from a fwload.
 533                          */
 534                         if (!wlandev->hwremoved)
 535                                 netif_carrier_off(wlandev->netdev);
 536
 537                         hfa384x_drvr_stop(hw);
 538
 539                         wlandev->macmode = WLAN_MACMODE_NONE;
 540                         wlandev->msdstate = WLAN_MSD_HWPRESENT;
 541                         result = P80211ENUM_resultcode_success;
 542                         break;
 543                 case WLAN_MSD_HWFAIL:
 544                 default:
 545                         /* probe() had a problem or the msdstate contains
 546                          * an unrecognized value, there's nothing we can do.
 547                          */
 548                         result = P80211ENUM_resultcode_implementation_failure;
 549                         break;
 550                 }
 551                 break;
 552         default:
 553                 result = P80211ENUM_resultcode_invalid_parameters;
 554                 break;
 555         }
 556
 557         return result;
 558 }
 559
 560 /*----------------------------------------------------------------
 561 * prism2sta_getcardinfo
 562 *
 563 * Collect the NICID, firmware version and any other identifiers
 564 * we'd like to have in host-side data structures.
 565 *
 566 * Arguments:
 567 *       wlandev         wlan device structure
 568 *
 569 * Returns:
 570 *       0       success
 571 *       >0      f/w reported error
 572 *       <0      driver reported error
 573 *
 574 * Side effects:
 575 *
 576 * Call context:
 577 *       Either.
 578 ----------------------------------------------------------------*/
 579 static int prism2sta_getcardinfo(wlandevice_t *wlandev)
 580 {
 581         int result = 0;
 582         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 583         u16 temp;
 584         u8 snum[HFA384x_RID_NICSERIALNUMBER_LEN];
 585
 586         /* Collect version and compatibility info */
 587         /*  Some are critical, some are not */
 588         /* NIC identity */
 589         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICIDENTITY,
 590                                         &hw->ident_nic,
 591                                         sizeof(hfa384x_compident_t));
 592         if (result) {
 593                 netdev_err(wlandev->netdev, "Failed to retrieve NICIDENTITY\n");
 594                 goto failed;
 595         }
 596
 597         /* get all the nic id fields in host byte order */
 598         hw->ident_nic.id = le16_to_cpu(hw->ident_nic.id);
 599         hw->ident_nic.variant = le16_to_cpu(hw->ident_nic.variant);
 600         hw->ident_nic.major = le16_to_cpu(hw->ident_nic.major);
 601         hw->ident_nic.minor = le16_to_cpu(hw->ident_nic.minor);
 602
 603         netdev_info(wlandev->netdev, "ident: nic h/w: id=0x%02x %d.%d.%d\n",
 604                hw->ident_nic.id, hw->ident_nic.major,
 605                hw->ident_nic.minor, hw->ident_nic.variant);
 606
 607         /* Primary f/w identity */
 608         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY,
 609                                         &hw->ident_pri_fw,
 610                                         sizeof(hfa384x_compident_t));
 611         if (result) {
 612                 netdev_err(wlandev->netdev, "Failed to retrieve PRIIDENTITY\n");
 613                 goto failed;
 614         }
 615
 616         /* get all the private fw id fields in host byte order */
 617         hw->ident_pri_fw.id = le16_to_cpu(hw->ident_pri_fw.id);
 618         hw->ident_pri_fw.variant = le16_to_cpu(hw->ident_pri_fw.variant);
 619         hw->ident_pri_fw.major = le16_to_cpu(hw->ident_pri_fw.major);
 620         hw->ident_pri_fw.minor = le16_to_cpu(hw->ident_pri_fw.minor);
 621
 622         netdev_info(wlandev->netdev, "ident: pri f/w: id=0x%02x %d.%d.%d\n",
 623                hw->ident_pri_fw.id, hw->ident_pri_fw.major,
 624                hw->ident_pri_fw.minor, hw->ident_pri_fw.variant);
 625
 626         /* Station (Secondary?) f/w identity */
 627         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY,
 628                                         &hw->ident_sta_fw,
 629                                         sizeof(hfa384x_compident_t));
 630         if (result) {
 631                 netdev_err(wlandev->netdev, "Failed to retrieve STAIDENTITY\n");
 632                 goto failed;
 633         }
 634
 635         if (hw->ident_nic.id < 0x8000) {
 636                 netdev_err(wlandev->netdev,
 637                        "FATAL: Card is not an Intersil Prism2/2.5/3\n");
 638                 result = -1;
 639                 goto failed;
 640         }
 641
 642         /* get all the station fw id fields in host byte order */
 643         hw->ident_sta_fw.id = le16_to_cpu(hw->ident_sta_fw.id);
 644         hw->ident_sta_fw.variant = le16_to_cpu(hw->ident_sta_fw.variant);
 645         hw->ident_sta_fw.major = le16_to_cpu(hw->ident_sta_fw.major);
 646         hw->ident_sta_fw.minor = le16_to_cpu(hw->ident_sta_fw.minor);
 647
 648         /* strip out the 'special' variant bits */
 649         hw->mm_mods = hw->ident_sta_fw.variant & (BIT(14) | BIT(15));
 650         hw->ident_sta_fw.variant &= ~((u16) (BIT(14) | BIT(15)));
 651
 652         if (hw->ident_sta_fw.id == 0x1f) {
 653                 netdev_info(wlandev->netdev,
 654                        "ident: sta f/w: id=0x%02x %d.%d.%d\n",
 655                        hw->ident_sta_fw.id, hw->ident_sta_fw.major,
 656                        hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
 657         } else {
 658                 netdev_info(wlandev->netdev,
 659                        "ident:  ap f/w: id=0x%02x %d.%d.%d\n",
 660                        hw->ident_sta_fw.id, hw->ident_sta_fw.major,
 661                        hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
 662                 netdev_err(wlandev->netdev, "Unsupported Tertiary AP firmware loaded!\n");
 663                 goto failed;
 664         }
 665
 666         /* Compatibility range, Modem supplier */
 667         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE,
 668                                         &hw->cap_sup_mfi,
 669                                         sizeof(hfa384x_caplevel_t));
 670         if (result) {
 671                 netdev_err(wlandev->netdev, "Failed to retrieve MFISUPRANGE\n");
 672                 goto failed;
 673         }
 674
 675         /* get all the Compatibility range, modem interface supplier
 676            fields in byte order */
 677         hw->cap_sup_mfi.role = le16_to_cpu(hw->cap_sup_mfi.role);
 678         hw->cap_sup_mfi.id = le16_to_cpu(hw->cap_sup_mfi.id);
 679         hw->cap_sup_mfi.variant = le16_to_cpu(hw->cap_sup_mfi.variant);
 680         hw->cap_sup_mfi.bottom = le16_to_cpu(hw->cap_sup_mfi.bottom);
 681         hw->cap_sup_mfi.top = le16_to_cpu(hw->cap_sup_mfi.top);
 682
 683         netdev_info(wlandev->netdev,
 684                "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 685                hw->cap_sup_mfi.role, hw->cap_sup_mfi.id,
 686                hw->cap_sup_mfi.variant, hw->cap_sup_mfi.bottom,
 687                hw->cap_sup_mfi.top);
 688
 689         /* Compatibility range, Controller supplier */
 690         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE,
 691                                         &hw->cap_sup_cfi,
 692                                         sizeof(hfa384x_caplevel_t));
 693         if (result) {
 694                 netdev_err(wlandev->netdev, "Failed to retrieve CFISUPRANGE\n");
 695                 goto failed;
 696         }
 697
 698         /* get all the Compatibility range, controller interface supplier
 699            fields in byte order */
 700         hw->cap_sup_cfi.role = le16_to_cpu(hw->cap_sup_cfi.role);
 701         hw->cap_sup_cfi.id = le16_to_cpu(hw->cap_sup_cfi.id);
 702         hw->cap_sup_cfi.variant = le16_to_cpu(hw->cap_sup_cfi.variant);
 703         hw->cap_sup_cfi.bottom = le16_to_cpu(hw->cap_sup_cfi.bottom);
 704         hw->cap_sup_cfi.top = le16_to_cpu(hw->cap_sup_cfi.top);
 705
 706         netdev_info(wlandev->netdev,
 707                "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 708                hw->cap_sup_cfi.role, hw->cap_sup_cfi.id,
 709                hw->cap_sup_cfi.variant, hw->cap_sup_cfi.bottom,
 710                hw->cap_sup_cfi.top);
 711
 712         /* Compatibility range, Primary f/w supplier */
 713         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE,
 714                                         &hw->cap_sup_pri,
 715                                         sizeof(hfa384x_caplevel_t));
 716         if (result) {
 717                 netdev_err(wlandev->netdev, "Failed to retrieve PRISUPRANGE\n");
 718                 goto failed;
 719         }
 720
 721         /* get all the Compatibility range, primary firmware supplier
 722            fields in byte order */
 723         hw->cap_sup_pri.role = le16_to_cpu(hw->cap_sup_pri.role);
 724         hw->cap_sup_pri.id = le16_to_cpu(hw->cap_sup_pri.id);
 725         hw->cap_sup_pri.variant = le16_to_cpu(hw->cap_sup_pri.variant);
 726         hw->cap_sup_pri.bottom = le16_to_cpu(hw->cap_sup_pri.bottom);
 727         hw->cap_sup_pri.top = le16_to_cpu(hw->cap_sup_pri.top);
 728
 729         netdev_info(wlandev->netdev,
 730                "PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 731                hw->cap_sup_pri.role, hw->cap_sup_pri.id,
 732                hw->cap_sup_pri.variant, hw->cap_sup_pri.bottom,
 733                hw->cap_sup_pri.top);
 734
 735         /* Compatibility range, Station f/w supplier */
 736         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE,
 737                                         &hw->cap_sup_sta,
 738                                         sizeof(hfa384x_caplevel_t));
 739         if (result) {
 740                 netdev_err(wlandev->netdev, "Failed to retrieve STASUPRANGE\n");
 741                 goto failed;
 742         }
 743
 744         /* get all the Compatibility range, station firmware supplier
 745            fields in byte order */
 746         hw->cap_sup_sta.role = le16_to_cpu(hw->cap_sup_sta.role);
 747         hw->cap_sup_sta.id = le16_to_cpu(hw->cap_sup_sta.id);
 748         hw->cap_sup_sta.variant = le16_to_cpu(hw->cap_sup_sta.variant);
 749         hw->cap_sup_sta.bottom = le16_to_cpu(hw->cap_sup_sta.bottom);
 750         hw->cap_sup_sta.top = le16_to_cpu(hw->cap_sup_sta.top);
 751
 752         if (hw->cap_sup_sta.id == 0x04) {
 753                 netdev_info(wlandev->netdev,
 754                        "STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 755                        hw->cap_sup_sta.role, hw->cap_sup_sta.id,
 756                        hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
 757                        hw->cap_sup_sta.top);
 758         } else {
 759                 netdev_info(wlandev->netdev,
 760                        "AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 761                        hw->cap_sup_sta.role, hw->cap_sup_sta.id,
 762                        hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
 763                        hw->cap_sup_sta.top);
 764         }
 765
 766         /* Compatibility range, primary f/w actor, CFI supplier */
 767         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES,
 768                                         &hw->cap_act_pri_cfi,
 769                                         sizeof(hfa384x_caplevel_t));
 770         if (result) {
 771                 netdev_err(wlandev->netdev, "Failed to retrieve PRI_CFIACTRANGES\n");
 772                 goto failed;
 773         }
 774
 775         /* get all the Compatibility range, primary f/w actor, CFI supplier
 776            fields in byte order */
 777         hw->cap_act_pri_cfi.role = le16_to_cpu(hw->cap_act_pri_cfi.role);
 778         hw->cap_act_pri_cfi.id = le16_to_cpu(hw->cap_act_pri_cfi.id);
 779         hw->cap_act_pri_cfi.variant = le16_to_cpu(hw->cap_act_pri_cfi.variant);
 780         hw->cap_act_pri_cfi.bottom = le16_to_cpu(hw->cap_act_pri_cfi.bottom);
 781         hw->cap_act_pri_cfi.top = le16_to_cpu(hw->cap_act_pri_cfi.top);
 782
 783         netdev_info(wlandev->netdev,
 784                "PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 785                hw->cap_act_pri_cfi.role, hw->cap_act_pri_cfi.id,
 786                hw->cap_act_pri_cfi.variant, hw->cap_act_pri_cfi.bottom,
 787                hw->cap_act_pri_cfi.top);
 788
 789         /* Compatibility range, sta f/w actor, CFI supplier */
 790         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES,
 791                                         &hw->cap_act_sta_cfi,
 792                                         sizeof(hfa384x_caplevel_t));
 793         if (result) {
 794                 netdev_err(wlandev->netdev, "Failed to retrieve STA_CFIACTRANGES\n");
 795                 goto failed;
 796         }
 797
 798         /* get all the Compatibility range, station f/w actor, CFI supplier
 799            fields in byte order */
 800         hw->cap_act_sta_cfi.role = le16_to_cpu(hw->cap_act_sta_cfi.role);
 801         hw->cap_act_sta_cfi.id = le16_to_cpu(hw->cap_act_sta_cfi.id);
 802         hw->cap_act_sta_cfi.variant = le16_to_cpu(hw->cap_act_sta_cfi.variant);
 803         hw->cap_act_sta_cfi.bottom = le16_to_cpu(hw->cap_act_sta_cfi.bottom);
 804         hw->cap_act_sta_cfi.top = le16_to_cpu(hw->cap_act_sta_cfi.top);
 805
 806         netdev_info(wlandev->netdev,
 807                "STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 808                hw->cap_act_sta_cfi.role, hw->cap_act_sta_cfi.id,
 809                hw->cap_act_sta_cfi.variant, hw->cap_act_sta_cfi.bottom,
 810                hw->cap_act_sta_cfi.top);
 811
 812         /* Compatibility range, sta f/w actor, MFI supplier */
 813         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES,
 814                                         &hw->cap_act_sta_mfi,
 815                                         sizeof(hfa384x_caplevel_t));
 816         if (result) {
 817                 netdev_err(wlandev->netdev, "Failed to retrieve STA_MFIACTRANGES\n");
 818                 goto failed;
 819         }
 820
 821         /* get all the Compatibility range, station f/w actor, MFI supplier
 822            fields in byte order */
 823         hw->cap_act_sta_mfi.role = le16_to_cpu(hw->cap_act_sta_mfi.role);
 824         hw->cap_act_sta_mfi.id = le16_to_cpu(hw->cap_act_sta_mfi.id);
 825         hw->cap_act_sta_mfi.variant = le16_to_cpu(hw->cap_act_sta_mfi.variant);
 826         hw->cap_act_sta_mfi.bottom = le16_to_cpu(hw->cap_act_sta_mfi.bottom);
 827         hw->cap_act_sta_mfi.top = le16_to_cpu(hw->cap_act_sta_mfi.top);
 828
 829         netdev_info(wlandev->netdev,
 830                "STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 831                hw->cap_act_sta_mfi.role, hw->cap_act_sta_mfi.id,
 832                hw->cap_act_sta_mfi.variant, hw->cap_act_sta_mfi.bottom,
 833                hw->cap_act_sta_mfi.top);
 834
 835         /* Serial Number */
 836         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICSERIALNUMBER,
 837                                         snum, HFA384x_RID_NICSERIALNUMBER_LEN);
 838         if (!result) {
 839                 netdev_info(wlandev->netdev, "Prism2 card SN: %*pEhp\n",
 840                             HFA384x_RID_NICSERIALNUMBER_LEN, snum);
 841         } else {
 842                 netdev_err(wlandev->netdev, "Failed to retrieve Prism2 Card SN\n");
 843                 goto failed;
 844         }
 845
 846         /* Collect the MAC address */
 847         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR,
 848                                         wlandev->netdev->dev_addr, ETH_ALEN);
 849         if (result != 0) {
 850                 netdev_err(wlandev->netdev, "Failed to retrieve mac address\n");
 851                 goto failed;
 852         }
 853
 854         /* short preamble is always implemented */
 855         wlandev->nsdcaps |= P80211_NSDCAP_SHORT_PREAMBLE;
 856
 857         /* find out if hardware wep is implemented */
 858         hfa384x_drvr_getconfig16(hw, HFA384x_RID_PRIVACYOPTIMP, &temp);
 859         if (temp)
 860                 wlandev->nsdcaps |= P80211_NSDCAP_HARDWAREWEP;
 861
 862         /* get the dBm Scaling constant */
 863         hfa384x_drvr_getconfig16(hw, HFA384x_RID_CNFDBMADJUST, &temp);
 864         hw->dbmadjust = temp;
 865
 866         /* Only enable scan by default on newer firmware */
 867         if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
 868                                      hw->ident_sta_fw.minor,
 869                                      hw->ident_sta_fw.variant) <
 870             HFA384x_FIRMWARE_VERSION(1, 5, 5)) {
 871                 wlandev->nsdcaps |= P80211_NSDCAP_NOSCAN;
 872         }
 873
 874         /* TODO: Set any internally managed config items */
 875
 876         goto done;
 877 failed:
 878         netdev_err(wlandev->netdev, "Failed, result=%d\n", result);
 879 done:
 880         return result;
 881 }
 882
 883 /*----------------------------------------------------------------
 884 * prism2sta_globalsetup
 885 *
 886 * Set any global RIDs that we want to set at device activation.
 887 *
 888 * Arguments:
 889 *       wlandev         wlan device structure
 890 *
 891 * Returns:
 892 *       0       success
 893 *       >0      f/w reported error
 894 *       <0      driver reported error
 895 *
 896 * Side effects:
 897 *
 898 * Call context:
 899 *       process thread
 900 ----------------------------------------------------------------*/
 901 static int prism2sta_globalsetup(wlandevice_t *wlandev)
 902 {
 903         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 904
 905         /* Set the maximum frame size */
 906         return hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN,
 907                                         WLAN_DATA_MAXLEN);
 908 }
 909
 910 static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev)
 911 {
 912         int result = 0;
 913         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 914
 915         u16 promisc;
 916
 917         /* If we're not ready, what's the point? */
 918         if (hw->state != HFA384x_STATE_RUNNING)
 919                 goto exit;
 920
 921         if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0)
 922                 promisc = P80211ENUM_truth_true;
 923         else
 924                 promisc = P80211ENUM_truth_false;
 925
 926         result =
 927             hfa384x_drvr_setconfig16_async(hw, HFA384x_RID_PROMISCMODE,
 928                                            promisc);
 929 exit:
 930         return result;
 931 }
 932
 933 /*----------------------------------------------------------------
 934 * prism2sta_inf_handover
 935 *
 936 * Handles the receipt of a Handover info frame. Should only be present
 937 * in APs only.
 938 *
 939 * Arguments:
 940 *       wlandev         wlan device structure
 941 *       inf             ptr to info frame (contents in hfa384x order)
 942 *
 943 * Returns:
 944 *       nothing
 945 *
 946 * Side effects:
 947 *
 948 * Call context:
 949 *       interrupt
 950 ----------------------------------------------------------------*/
 951 static void prism2sta_inf_handover(wlandevice_t *wlandev,
 952                                    hfa384x_InfFrame_t *inf)
 953 {
 954         pr_debug("received infoframe:HANDOVER (unhandled)\n");
 955 }
 956
 957 /*----------------------------------------------------------------
 958 * prism2sta_inf_tallies
 959 *
 960 * Handles the receipt of a CommTallies info frame.
 961 *
 962 * Arguments:
 963 *       wlandev         wlan device structure
 964 *       inf             ptr to info frame (contents in hfa384x order)
 965 *
 966 * Returns:
 967 *       nothing
 968 *
 969 * Side effects:
 970 *
 971 * Call context:
 972 *       interrupt
 973 ----------------------------------------------------------------*/
 974 static void prism2sta_inf_tallies(wlandevice_t *wlandev,
 975                                   hfa384x_InfFrame_t *inf)
 976 {
 977         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 978         u16 *src16;
 979         u32 *dst;
 980         u32 *src32;
 981         int i;
 982         int cnt;
 983
 984         /*
 985          ** Determine if these are 16-bit or 32-bit tallies, based on the
 986          ** record length of the info record.
 987          */
 988
 989         cnt = sizeof(hfa384x_CommTallies32_t) / sizeof(u32);
 990         if (inf->framelen > 22) {
 991                 dst = (u32 *) &hw->tallies;
 992                 src32 = (u32 *) &inf->info.commtallies32;
 993                 for (i = 0; i < cnt; i++, dst++, src32++)
 994                         *dst += le32_to_cpu(*src32);
 995         } else {
 996                 dst = (u32 *) &hw->tallies;
 997                 src16 = (u16 *) &inf->info.commtallies16;
 998                 for (i = 0; i < cnt; i++, dst++, src16++)
 999                         *dst += le16_to_cpu(*src16);
1000         }
1001 }
1002
1003 /*----------------------------------------------------------------
1004 * prism2sta_inf_scanresults
1005 *
1006 * Handles the receipt of a Scan Results info frame.
1007 *
1008 * Arguments:
1009 *       wlandev         wlan device structure
1010 *       inf             ptr to info frame (contents in hfa384x order)
1011 *
1012 * Returns:
1013 *       nothing
1014 *
1015 * Side effects:
1016 *
1017 * Call context:
1018 *       interrupt
1019 ----------------------------------------------------------------*/
1020 static void prism2sta_inf_scanresults(wlandevice_t *wlandev,
1021                                       hfa384x_InfFrame_t *inf)
1022 {
1023
1024         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1025         int nbss;
1026         hfa384x_ScanResult_t *sr = &(inf->info.scanresult);
1027         int i;
1028         hfa384x_JoinRequest_data_t joinreq;
1029         int result;
1030
1031         /* Get the number of results, first in bytes, then in results */
1032         nbss = (inf->framelen * sizeof(u16)) -
1033             sizeof(inf->infotype) - sizeof(inf->info.scanresult.scanreason);
1034         nbss /= sizeof(hfa384x_ScanResultSub_t);
1035
1036         /* Print em */
1037         pr_debug("rx scanresults, reason=%d, nbss=%d:\n",
1038                  inf->info.scanresult.scanreason, nbss);
1039         for (i = 0; i < nbss; i++) {
1040                 pr_debug("chid=%d anl=%d sl=%d bcnint=%d\n",
1041                          sr->result[i].chid,
1042                          sr->result[i].anl,
1043                          sr->result[i].sl, sr->result[i].bcnint);
1044                 pr_debug("  capinfo=0x%04x proberesp_rate=%d\n",
1045                          sr->result[i].capinfo, sr->result[i].proberesp_rate);
1046         }
1047         /* issue a join request */
1048         joinreq.channel = sr->result[0].chid;
1049         memcpy(joinreq.bssid, sr->result[0].bssid, WLAN_BSSID_LEN);
1050         result = hfa384x_drvr_setconfig(hw,
1051                                         HFA384x_RID_JOINREQUEST,
1052                                         &joinreq, HFA384x_RID_JOINREQUEST_LEN);
1053         if (result) {
1054                 netdev_err(wlandev->netdev, "setconfig(joinreq) failed, result=%d\n",
1055                        result);
1056         }
1057 }
1058
1059 /*----------------------------------------------------------------
1060 * prism2sta_inf_hostscanresults
1061 *
1062 * Handles the receipt of a Scan Results info frame.
1063 *
1064 * Arguments:
1065 *       wlandev         wlan device structure
1066 *       inf             ptr to info frame (contents in hfa384x order)
1067 *
1068 * Returns:
1069 *       nothing
1070 *
1071 * Side effects:
1072 *
1073 * Call context:
1074 *       interrupt
1075 ----------------------------------------------------------------*/
1076 static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev,
1077                                           hfa384x_InfFrame_t *inf)
1078 {
1079         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1080         int nbss;
1081
1082         nbss = (inf->framelen - 3) / 32;
1083         pr_debug("Received %d hostscan results\n", nbss);
1084
1085         if (nbss > 32)
1086                 nbss = 32;
1087
1088         kfree(hw->scanresults);
1089
1090         hw->scanresults = kmemdup(inf, sizeof(hfa384x_InfFrame_t), GFP_ATOMIC);
1091
1092         if (nbss == 0)
1093                 nbss = -1;
1094
1095         /* Notify/wake the sleeping caller. */
1096         hw->scanflag = nbss;
1097         wake_up_interruptible(&hw->cmdq);
1098 };
1099
1100 /*----------------------------------------------------------------
1101 * prism2sta_inf_chinforesults
1102 *
1103 * Handles the receipt of a Channel Info Results info frame.
1104 *
1105 * Arguments:
1106 *       wlandev         wlan device structure
1107 *       inf             ptr to info frame (contents in hfa384x order)
1108 *
1109 * Returns:
1110 *       nothing
1111 *
1112 * Side effects:
1113 *
1114 * Call context:
1115 *       interrupt
1116 ----------------------------------------------------------------*/
1117 static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
1118                                         hfa384x_InfFrame_t *inf)
1119 {
1120         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1121         unsigned int i, n;
1122
1123         hw->channel_info.results.scanchannels =
1124             le16_to_cpu(inf->info.chinforesult.scanchannels);
1125
1126         for (i = 0, n = 0; i < HFA384x_CHINFORESULT_MAX; i++) {
1127                 hfa384x_ChInfoResultSub_t *result;
1128                 hfa384x_ChInfoResultSub_t *chinforesult;
1129                 int chan;
1130
1131                 if (!(hw->channel_info.results.scanchannels & (1 << i)))
1132                         continue;
1133
1134                 result = &inf->info.chinforesult.result[n];
1135                 chan = le16_to_cpu(result->chid) - 1;
1136
1137                 if (chan < 0 || chan >= HFA384x_CHINFORESULT_MAX)
1138                         continue;
1139
1140                 chinforesult = &hw->channel_info.results.result[chan];
1141                 chinforesult->chid = chan;
1142                 chinforesult->anl = le16_to_cpu(result->anl);
1143                 chinforesult->pnl = le16_to_cpu(result->pnl);
1144                 chinforesult->active = le16_to_cpu(result->active);
1145
1146                 pr_debug("chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
1147                          chan + 1,
1148                          (chinforesult->active & HFA384x_CHINFORESULT_BSSACTIVE)
1149                                 ? "signal" : "noise",
1150                          chinforesult->anl, chinforesult->pnl,
1151                          (chinforesult->active & HFA384x_CHINFORESULT_PCFACTIVE)
1152                                 ? 1 : 0);
1153                 n++;
1154         }
1155         atomic_set(&hw->channel_info.done, 2);
1156
1157         hw->channel_info.count = n;
1158 }
1159
1160 void prism2sta_processing_defer(struct work_struct *data)
1161 {
1162         hfa384x_t *hw = container_of(data, struct hfa384x, link_bh);
1163         wlandevice_t *wlandev = hw->wlandev;
1164         hfa384x_bytestr32_t ssid;
1165         int result;
1166
1167         /* First let's process the auth frames */
1168         {
1169                 struct sk_buff *skb;
1170                 hfa384x_InfFrame_t *inf;
1171
1172                 while ((skb = skb_dequeue(&hw->authq))) {
1173                         inf = (hfa384x_InfFrame_t *) skb->data;
1174                         prism2sta_inf_authreq_defer(wlandev, inf);
1175                 }
1176
1177         }
1178
1179         /* Now let's handle the linkstatus stuff */
1180         if (hw->link_status == hw->link_status_new)
1181                 return;
1182
1183         hw->link_status = hw->link_status_new;
1184
1185         switch (hw->link_status) {
1186         case HFA384x_LINK_NOTCONNECTED:
1187                 /* I'm currently assuming that this is the initial link
1188                  * state.  It should only be possible immediately
1189                  * following an Enable command.
1190                  * Response:
1191                  * Block Transmits, Ignore receives of data frames
1192                  */
1193                 netif_carrier_off(wlandev->netdev);
1194
1195                 netdev_info(wlandev->netdev, "linkstatus=NOTCONNECTED (unhandled)\n");
1196                 break;
1197
1198         case HFA384x_LINK_CONNECTED:
1199                 /* This one indicates a successful scan/join/auth/assoc.
1200                  * When we have the full MLME complement, this event will
1201                  * signify successful completion of both mlme_authenticate
1202                  * and mlme_associate.  State management will get a little
1203                  * ugly here.
1204                  * Response:
1205                  * Indicate authentication and/or association
1206                  * Enable Transmits, Receives and pass up data frames
1207                  */
1208
1209                 netif_carrier_on(wlandev->netdev);
1210
1211                 /* If we are joining a specific AP, set our
1212                  * state and reset retries
1213                  */
1214                 if (hw->join_ap == 1)
1215                         hw->join_ap = 2;
1216                 hw->join_retries = 60;
1217
1218                 /* Don't call this in monitor mode */
1219                 if (wlandev->netdev->type == ARPHRD_ETHER) {
1220                         u16 portstatus;
1221
1222                         netdev_info(wlandev->netdev, "linkstatus=CONNECTED\n");
1223
1224                         /* For non-usb devices, we can use the sync versions */
1225                         /* Collect the BSSID, and set state to allow tx */
1226
1227                         result = hfa384x_drvr_getconfig(hw,
1228                                                 HFA384x_RID_CURRENTBSSID,
1229                                                 wlandev->bssid,
1230                                                 WLAN_BSSID_LEN);
1231                         if (result) {
1232                                 pr_debug
1233                                     ("getconfig(0x%02x) failed, result = %d\n",
1234                                      HFA384x_RID_CURRENTBSSID, result);
1235                                 return;
1236                         }
1237
1238                         result = hfa384x_drvr_getconfig(hw,
1239                                                         HFA384x_RID_CURRENTSSID,
1240                                                         &ssid, sizeof(ssid));
1241                         if (result) {
1242                                 pr_debug
1243                                     ("getconfig(0x%02x) failed, result = %d\n",
1244                                      HFA384x_RID_CURRENTSSID, result);
1245                                 return;
1246                         }
1247                         prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *) &ssid,
1248                                                 (p80211pstrd_t *) &
1249                                                 wlandev->ssid);
1250
1251                         /* Collect the port status */
1252                         result = hfa384x_drvr_getconfig16(hw,
1253                                                         HFA384x_RID_PORTSTATUS,
1254                                                         &portstatus);
1255                         if (result) {
1256                                 pr_debug
1257                                     ("getconfig(0x%02x) failed, result = %d\n",
1258                                      HFA384x_RID_PORTSTATUS, result);
1259                                 return;
1260                         }
1261                         wlandev->macmode =
1262                             (portstatus == HFA384x_PSTATUS_CONN_IBSS) ?
1263                             WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA;
1264
1265                         /* signal back up to cfg80211 layer */
1266                         prism2_connect_result(wlandev, P80211ENUM_truth_false);
1267
1268                         /* Get the ball rolling on the comms quality stuff */
1269                         prism2sta_commsqual_defer(&hw->commsqual_bh);
1270                 }
1271                 break;
1272
1273         case HFA384x_LINK_DISCONNECTED:
1274                 /* This one indicates that our association is gone.  We've
1275                  * lost connection with the AP and/or been disassociated.
1276                  * This indicates that the MAC has completely cleared it's
1277                  * associated state.  We * should send a deauth indication
1278                  * (implying disassoc) up * to the MLME.
1279                  * Response:
1280                  * Indicate Deauthentication
1281                  * Block Transmits, Ignore receives of data frames
1282                  */
1283                 if (wlandev->netdev->type == ARPHRD_ETHER)
1284                         netdev_info(wlandev->netdev,
1285                                "linkstatus=DISCONNECTED (unhandled)\n");
1286                 wlandev->macmode = WLAN_MACMODE_NONE;
1287
1288                 netif_carrier_off(wlandev->netdev);
1289
1290                 /* signal back up to cfg80211 layer */
1291                 prism2_disconnected(wlandev);
1292
1293                 break;
1294
1295         case HFA384x_LINK_AP_CHANGE:
1296                 /* This one indicates that the MAC has decided to and
1297                  * successfully completed a change to another AP.  We
1298                  * should probably implement a reassociation indication
1299                  * in response to this one.  I'm thinking that the the
1300                  * p80211 layer needs to be notified in case of
1301                  * buffering/queueing issues.  User mode also needs to be
1302                  * notified so that any BSS dependent elements can be
1303                  * updated.
1304                  * associated state.  We * should send a deauth indication
1305                  * (implying disassoc) up * to the MLME.
1306                  * Response:
1307                  * Indicate Reassociation
1308                  * Enable Transmits, Receives and pass up data frames
1309                  */
1310                 netdev_info(wlandev->netdev, "linkstatus=AP_CHANGE\n");
1311
1312                 result = hfa384x_drvr_getconfig(hw,
1313                                                 HFA384x_RID_CURRENTBSSID,
1314                                                 wlandev->bssid, WLAN_BSSID_LEN);
1315                 if (result) {
1316                         pr_debug("getconfig(0x%02x) failed, result = %d\n",
1317                                  HFA384x_RID_CURRENTBSSID, result);
1318                         return;
1319                 }
1320
1321                 result = hfa384x_drvr_getconfig(hw,
1322                                                 HFA384x_RID_CURRENTSSID,
1323                                                 &ssid, sizeof(ssid));
1324                 if (result) {
1325                         pr_debug("getconfig(0x%02x) failed, result = %d\n",
1326                                  HFA384x_RID_CURRENTSSID, result);
1327                         return;
1328                 }
1329                 prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *) &ssid,
1330                                         (p80211pstrd_t *) &wlandev->ssid);
1331
1332                 hw->link_status = HFA384x_LINK_CONNECTED;
1333                 netif_carrier_on(wlandev->netdev);
1334
1335                 /* signal back up to cfg80211 layer */
1336                 prism2_roamed(wlandev);
1337
1338                 break;
1339
1340         case HFA384x_LINK_AP_OUTOFRANGE:
1341                 /* This one indicates that the MAC has decided that the
1342                  * AP is out of range, but hasn't found a better candidate
1343                  * so the MAC maintains its "associated" state in case
1344                  * we get back in range.  We should block transmits and
1345                  * receives in this state.  Do we need an indication here?
1346                  * Probably not since a polling user-mode element would
1347                  * get this status from from p2PortStatus(FD40). What about
1348                  * p80211?
1349                  * Response:
1350                  * Block Transmits, Ignore receives of data frames
1351                  */
1352                 netdev_info(wlandev->netdev, "linkstatus=AP_OUTOFRANGE (unhandled)\n");
1353
1354                 netif_carrier_off(wlandev->netdev);
1355
1356                 break;
1357
1358         case HFA384x_LINK_AP_INRANGE:
1359                 /* This one indicates that the MAC has decided that the
1360                  * AP is back in range.  We continue working with our
1361                  * existing association.
1362                  * Response:
1363                  * Enable Transmits, Receives and pass up data frames
1364                  */
1365                 netdev_info(wlandev->netdev, "linkstatus=AP_INRANGE\n");
1366
1367                 hw->link_status = HFA384x_LINK_CONNECTED;
1368                 netif_carrier_on(wlandev->netdev);
1369
1370                 break;
1371
1372         case HFA384x_LINK_ASSOCFAIL:
1373                 /* This one is actually a peer to CONNECTED.  We've
1374                  * requested a join for a given SSID and optionally BSSID.
1375                  * We can use this one to indicate authentication and
1376                  * association failures.  The trick is going to be
1377                  * 1) identifying the failure, and 2) state management.
1378                  * Response:
1379                  * Disable Transmits, Ignore receives of data frames
1380                  */
1381                 if (hw->join_ap && --hw->join_retries > 0) {
1382                         hfa384x_JoinRequest_data_t joinreq;
1383
1384                         joinreq = hw->joinreq;
1385                         /* Send the join request */
1386                         hfa384x_drvr_setconfig(hw,
1387                                                HFA384x_RID_JOINREQUEST,
1388                                                &joinreq,
1389                                                HFA384x_RID_JOINREQUEST_LEN);
1390                         netdev_info(wlandev->netdev,
1391                                "linkstatus=ASSOCFAIL (re-submitting join)\n");
1392                 } else {
1393                         netdev_info(wlandev->netdev, "linkstatus=ASSOCFAIL (unhandled)\n");
1394                 }
1395
1396                 netif_carrier_off(wlandev->netdev);
1397
1398                 /* signal back up to cfg80211 layer */
1399                 prism2_connect_result(wlandev, P80211ENUM_truth_true);
1400
1401                 break;
1402
1403         default:
1404                 /* This is bad, IO port problems? */
1405                 netdev_warn(wlandev->netdev,
1406                        "unknown linkstatus=0x%02x\n", hw->link_status);
1407                 return;
1408         }
1409
1410         wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED);
1411 }
1412
1413 /*----------------------------------------------------------------
1414 * prism2sta_inf_linkstatus
1415 *
1416 * Handles the receipt of a Link Status info frame.
1417 *
1418 * Arguments:
1419 *       wlandev         wlan device structure
1420 *       inf             ptr to info frame (contents in hfa384x order)
1421 *
1422 * Returns:
1423 *       nothing
1424 *
1425 * Side effects:
1426 *
1427 * Call context:
1428 *       interrupt
1429 ----------------------------------------------------------------*/
1430 static void prism2sta_inf_linkstatus(wlandevice_t *wlandev,
1431                                      hfa384x_InfFrame_t *inf)
1432 {
1433         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1434
1435         hw->link_status_new = le16_to_cpu(inf->info.linkstatus.linkstatus);
1436
1437         schedule_work(&hw->link_bh);
1438 }
1439
1440 /*----------------------------------------------------------------
1441 * prism2sta_inf_assocstatus
1442 *
1443 * Handles the receipt of an Association Status info frame. Should
1444 * be present in APs only.
1445 *
1446 * Arguments:
1447 *       wlandev         wlan device structure
1448 *       inf             ptr to info frame (contents in hfa384x order)
1449 *
1450 * Returns:
1451 *       nothing
1452 *
1453 * Side effects:
1454 *
1455 * Call context:
1456 *       interrupt
1457 ----------------------------------------------------------------*/
1458 static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
1459                                       hfa384x_InfFrame_t *inf)
1460 {
1461         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1462         hfa384x_AssocStatus_t rec;
1463         int i;
1464
1465         memcpy(&rec, &inf->info.assocstatus, sizeof(rec));
1466         rec.assocstatus = le16_to_cpu(rec.assocstatus);
1467         rec.reason = le16_to_cpu(rec.reason);
1468
1469         /*
1470          ** Find the address in the list of authenticated stations.
1471          ** If it wasn't found, then this address has not been previously
1472          ** authenticated and something weird has happened if this is
1473          ** anything other than an "authentication failed" message.
1474          ** If the address was found, then set the "associated" flag for
1475          ** that station, based on whether the station is associating or
1476          ** losing its association.  Something weird has also happened
1477          ** if we find the address in the list of authenticated stations
1478          ** but we are getting an "authentication failed" message.
1479          */
1480
1481         for (i = 0; i < hw->authlist.cnt; i++)
1482                 if (memcmp(rec.sta_addr, hw->authlist.addr[i], ETH_ALEN) == 0)
1483                         break;
1484
1485         if (i >= hw->authlist.cnt) {
1486                 if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL)
1487                         netdev_warn(wlandev->netdev,
1488         "assocstatus info frame received for non-authenticated station.\n");
1489         } else {
1490                 hw->authlist.assoc[i] =
1491                     (rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC ||
1492                      rec.assocstatus == HFA384x_ASSOCSTATUS_REASSOC);
1493
1494                 if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL)
1495                         netdev_warn(wlandev->netdev,
1496 "authfail assocstatus info frame received for authenticated station.\n");
1497         }
1498 }
1499
1500 /*----------------------------------------------------------------
1501 * prism2sta_inf_authreq
1502 *
1503 * Handles the receipt of an Authentication Request info frame. Should
1504 * be present in APs only.
1505 *
1506 * Arguments:
1507 *       wlandev         wlan device structure
1508 *       inf             ptr to info frame (contents in hfa384x order)
1509 *
1510 * Returns:
1511 *       nothing
1512 *
1513 * Side effects:
1514 *
1515 * Call context:
1516 *       interrupt
1517 *
1518 ----------------------------------------------------------------*/
1519 static void prism2sta_inf_authreq(wlandevice_t *wlandev,
1520                                   hfa384x_InfFrame_t *inf)
1521 {
1522         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1523         struct sk_buff *skb;
1524
1525         skb = dev_alloc_skb(sizeof(*inf));
1526         if (skb) {
1527                 skb_put(skb, sizeof(*inf));
1528                 memcpy(skb->data, inf, sizeof(*inf));
1529                 skb_queue_tail(&hw->authq, skb);
1530                 schedule_work(&hw->link_bh);
1531         }
1532 }
1533
1534 static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
1535                                         hfa384x_InfFrame_t *inf)
1536 {
1537         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1538         hfa384x_authenticateStation_data_t rec;
1539
1540         int i, added, result, cnt;
1541         u8 *addr;
1542
1543         /*
1544          ** Build the AuthenticateStation record.  Initialize it for denying
1545          ** authentication.
1546          */
1547
1548         ether_addr_copy(rec.address, inf->info.authreq.sta_addr);
1549         rec.status = P80211ENUM_status_unspec_failure;
1550
1551         /*
1552          ** Authenticate based on the access mode.
1553          */
1554
1555         switch (hw->accessmode) {
1556         case WLAN_ACCESS_NONE:
1557
1558                 /*
1559                  ** Deny all new authentications.  However, if a station
1560                  ** is ALREADY authenticated, then accept it.
1561                  */
1562
1563                 for (i = 0; i < hw->authlist.cnt; i++)
1564                         if (memcmp(rec.address, hw->authlist.addr[i],
1565                                    ETH_ALEN) == 0) {
1566                                 rec.status = P80211ENUM_status_successful;
1567                                 break;
1568                         }
1569
1570                 break;
1571
1572         case WLAN_ACCESS_ALL:
1573
1574                 /*
1575                  ** Allow all authentications.
1576                  */
1577
1578                 rec.status = P80211ENUM_status_successful;
1579                 break;
1580
1581         case WLAN_ACCESS_ALLOW:
1582
1583                 /*
1584                  ** Only allow the authentication if the MAC address
1585                  ** is in the list of allowed addresses.
1586                  **
1587                  ** Since this is the interrupt handler, we may be here
1588                  ** while the access list is in the middle of being
1589                  ** updated.  Choose the list which is currently okay.
1590                  ** See "prism2mib_priv_accessallow()" for details.
1591                  */
1592
1593                 if (hw->allow.modify == 0) {
1594                         cnt = hw->allow.cnt;
1595                         addr = hw->allow.addr[0];
1596                 } else {
1597                         cnt = hw->allow.cnt1;
1598                         addr = hw->allow.addr1[0];
1599                 }
1600
1601                 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1602                         if (memcmp(rec.address, addr, ETH_ALEN) == 0) {
1603                                 rec.status = P80211ENUM_status_successful;
1604                                 break;
1605                         }
1606
1607                 break;
1608
1609         case WLAN_ACCESS_DENY:
1610
1611                 /*
1612                  ** Allow the authentication UNLESS the MAC address is
1613                  ** in the list of denied addresses.
1614                  **
1615                  ** Since this is the interrupt handler, we may be here
1616                  ** while the access list is in the middle of being
1617                  ** updated.  Choose the list which is currently okay.
1618                  ** See "prism2mib_priv_accessdeny()" for details.
1619                  */
1620
1621                 if (hw->deny.modify == 0) {
1622                         cnt = hw->deny.cnt;
1623                         addr = hw->deny.addr[0];
1624                 } else {
1625                         cnt = hw->deny.cnt1;
1626                         addr = hw->deny.addr1[0];
1627                 }
1628
1629                 rec.status = P80211ENUM_status_successful;
1630
1631                 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1632                         if (memcmp(rec.address, addr, ETH_ALEN) == 0) {
1633                                 rec.status = P80211ENUM_status_unspec_failure;
1634                                 break;
1635                         }
1636
1637                 break;
1638         }
1639
1640         /*
1641          ** If the authentication is okay, then add the MAC address to the
1642          ** list of authenticated stations.  Don't add the address if it
1643          ** is already in the list. (802.11b does not seem to disallow
1644          ** a station from issuing an authentication request when the
1645          ** station is already authenticated. Does this sort of thing
1646          ** ever happen?  We might as well do the check just in case.)
1647          */
1648
1649         added = 0;
1650
1651         if (rec.status == P80211ENUM_status_successful) {
1652                 for (i = 0; i < hw->authlist.cnt; i++)
1653                         if (memcmp(rec.address, hw->authlist.addr[i], ETH_ALEN)
1654                             == 0)
1655                                 break;
1656
1657                 if (i >= hw->authlist.cnt) {
1658                         if (hw->authlist.cnt >= WLAN_AUTH_MAX) {
1659                                 rec.status = P80211ENUM_status_ap_full;
1660                         } else {
1661                                 ether_addr_copy(hw->authlist.addr[hw->authlist.cnt],
1662                                                 rec.address);
1663                                 hw->authlist.cnt++;
1664                                 added = 1;
1665                         }
1666                 }
1667         }
1668
1669         /*
1670          ** Send back the results of the authentication.  If this doesn't work,
1671          ** then make sure to remove the address from the authenticated list if
1672          ** it was added.
1673          */
1674
1675         rec.status = cpu_to_le16(rec.status);
1676         rec.algorithm = inf->info.authreq.algorithm;
1677
1678         result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA,
1679                                         &rec, sizeof(rec));
1680         if (result) {
1681                 if (added)
1682                         hw->authlist.cnt--;
1683                 netdev_err(wlandev->netdev,
1684                        "setconfig(authenticatestation) failed, result=%d\n",
1685                        result);
1686         }
1687 }
1688
1689 /*----------------------------------------------------------------
1690 * prism2sta_inf_psusercnt
1691 *
1692 * Handles the receipt of a PowerSaveUserCount info frame. Should
1693 * be present in APs only.
1694 *
1695 * Arguments:
1696 *       wlandev         wlan device structure
1697 *       inf             ptr to info frame (contents in hfa384x order)
1698 *
1699 * Returns:
1700 *       nothing
1701 *
1702 * Side effects:
1703 *
1704 * Call context:
1705 *       interrupt
1706 ----------------------------------------------------------------*/
1707 static void prism2sta_inf_psusercnt(wlandevice_t *wlandev,
1708                                     hfa384x_InfFrame_t *inf)
1709 {
1710         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1711
1712         hw->psusercount = le16_to_cpu(inf->info.psusercnt.usercnt);
1713 }
1714
1715 /*----------------------------------------------------------------
1716 * prism2sta_ev_info
1717 *
1718 * Handles the Info event.
1719 *
1720 * Arguments:
1721 *       wlandev         wlan device structure
1722 *       inf             ptr to a generic info frame
1723 *
1724 * Returns:
1725 *       nothing
1726 *
1727 * Side effects:
1728 *
1729 * Call context:
1730 *       interrupt
1731 ----------------------------------------------------------------*/
1732 void prism2sta_ev_info(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf)
1733 {
1734         inf->infotype = le16_to_cpu(inf->infotype);
1735         /* Dispatch */
1736         switch (inf->infotype) {
1737         case HFA384x_IT_HANDOVERADDR:
1738                 prism2sta_inf_handover(wlandev, inf);
1739                 break;
1740         case HFA384x_IT_COMMTALLIES:
1741                 prism2sta_inf_tallies(wlandev, inf);
1742                 break;
1743         case HFA384x_IT_HOSTSCANRESULTS:
1744                 prism2sta_inf_hostscanresults(wlandev, inf);
1745                 break;
1746         case HFA384x_IT_SCANRESULTS:
1747                 prism2sta_inf_scanresults(wlandev, inf);
1748                 break;
1749         case HFA384x_IT_CHINFORESULTS:
1750                 prism2sta_inf_chinforesults(wlandev, inf);
1751                 break;
1752         case HFA384x_IT_LINKSTATUS:
1753                 prism2sta_inf_linkstatus(wlandev, inf);
1754                 break;
1755         case HFA384x_IT_ASSOCSTATUS:
1756                 prism2sta_inf_assocstatus(wlandev, inf);
1757                 break;
1758         case HFA384x_IT_AUTHREQ:
1759                 prism2sta_inf_authreq(wlandev, inf);
1760                 break;
1761         case HFA384x_IT_PSUSERCNT:
1762                 prism2sta_inf_psusercnt(wlandev, inf);
1763                 break;
1764         case HFA384x_IT_KEYIDCHANGED:
1765                 netdev_warn(wlandev->netdev, "Unhandled IT_KEYIDCHANGED\n");
1766                 break;
1767         case HFA384x_IT_ASSOCREQ:
1768                 netdev_warn(wlandev->netdev, "Unhandled IT_ASSOCREQ\n");
1769                 break;
1770         case HFA384x_IT_MICFAILURE:
1771                 netdev_warn(wlandev->netdev, "Unhandled IT_MICFAILURE\n");
1772                 break;
1773         default:
1774                 netdev_warn(wlandev->netdev,
1775                        "Unknown info type=0x%02x\n", inf->infotype);
1776                 break;
1777         }
1778 }
1779
1780 /*----------------------------------------------------------------
1781 * prism2sta_ev_txexc
1782 *
1783 * Handles the TxExc event.  A Transmit Exception event indicates
1784 * that the MAC's TX process was unsuccessful - so the packet did
1785 * not get transmitted.
1786 *
1787 * Arguments:
1788 *       wlandev         wlan device structure
1789 *       status          tx frame status word
1790 *
1791 * Returns:
1792 *       nothing
1793 *
1794 * Side effects:
1795 *
1796 * Call context:
1797 *       interrupt
1798 ----------------------------------------------------------------*/
1799 void prism2sta_ev_txexc(wlandevice_t *wlandev, u16 status)
1800 {
1801         pr_debug("TxExc status=0x%x.\n", status);
1802 }
1803
1804 /*----------------------------------------------------------------
1805 * prism2sta_ev_tx
1806 *
1807 * Handles the Tx event.
1808 *
1809 * Arguments:
1810 *       wlandev         wlan device structure
1811 *       status          tx frame status word
1812 * Returns:
1813 *       nothing
1814 *
1815 * Side effects:
1816 *
1817 * Call context:
1818 *       interrupt
1819 ----------------------------------------------------------------*/
1820 void prism2sta_ev_tx(wlandevice_t *wlandev, u16 status)
1821 {
1822         pr_debug("Tx Complete, status=0x%04x\n", status);
1823         /* update linux network stats */
1824         wlandev->netdev->stats.tx_packets++;
1825 }
1826
1827 /*----------------------------------------------------------------
1828 * prism2sta_ev_rx
1829 *
1830 * Handles the Rx event.
1831 *
1832 * Arguments:
1833 *       wlandev         wlan device structure
1834 *
1835 * Returns:
1836 *       nothing
1837 *
1838 * Side effects:
1839 *
1840 * Call context:
1841 *       interrupt
1842 ----------------------------------------------------------------*/
1843 void prism2sta_ev_rx(wlandevice_t *wlandev, struct sk_buff *skb)
1844 {
1845         p80211netdev_rx(wlandev, skb);
1846 }
1847
1848 /*----------------------------------------------------------------
1849 * prism2sta_ev_alloc
1850 *
1851 * Handles the Alloc event.
1852 *
1853 * Arguments:
1854 *       wlandev         wlan device structure
1855 *
1856 * Returns:
1857 *       nothing
1858 *
1859 * Side effects:
1860 *
1861 * Call context:
1862 *       interrupt
1863 ----------------------------------------------------------------*/
1864 void prism2sta_ev_alloc(wlandevice_t *wlandev)
1865 {
1866         netif_wake_queue(wlandev->netdev);
1867 }
1868
1869 /*----------------------------------------------------------------
1870 * create_wlan
1871 *
1872 * Called at module init time.  This creates the wlandevice_t structure
1873 * and initializes it with relevant bits.
1874 *
1875 * Arguments:
1876 *       none
1877 *
1878 * Returns:
1879 *       the created wlandevice_t structure.
1880 *
1881 * Side effects:
1882 *       also allocates the priv/hw structures.
1883 *
1884 * Call context:
1885 *       process thread
1886 *
1887 ----------------------------------------------------------------*/
1888 static wlandevice_t *create_wlan(void)
1889 {
1890         wlandevice_t *wlandev = NULL;
1891         hfa384x_t *hw = NULL;
1892
1893         /* Alloc our structures */
1894         wlandev = kzalloc(sizeof(wlandevice_t), GFP_KERNEL);
1895         hw = kzalloc(sizeof(hfa384x_t), GFP_KERNEL);
1896
1897         if (!wlandev || !hw) {
1898                 pr_err("%s: Memory allocation failure.\n", dev_info);
1899                 kfree(wlandev);
1900                 kfree(hw);
1901                 return NULL;
1902         }
1903
1904         /* Initialize the network device object. */
1905         wlandev->nsdname = dev_info;
1906         wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
1907         wlandev->priv = hw;
1908         wlandev->open = prism2sta_open;
1909         wlandev->close = prism2sta_close;
1910         wlandev->reset = prism2sta_reset;
1911         wlandev->txframe = prism2sta_txframe;
1912         wlandev->mlmerequest = prism2sta_mlmerequest;
1913         wlandev->set_multicast_list = prism2sta_setmulticast;
1914         wlandev->tx_timeout = hfa384x_tx_timeout;
1915
1916         wlandev->nsdcaps = P80211_NSDCAP_HWFRAGMENT | P80211_NSDCAP_AUTOJOIN;
1917
1918         /* Initialize the device private data structure. */
1919         hw->dot11_desired_bss_type = 1;
1920
1921         return wlandev;
1922 }
1923
1924 void prism2sta_commsqual_defer(struct work_struct *data)
1925 {
1926         hfa384x_t *hw = container_of(data, struct hfa384x, commsqual_bh);
1927         wlandevice_t *wlandev = hw->wlandev;
1928         hfa384x_bytestr32_t ssid;
1929         struct p80211msg_dot11req_mibget msg;
1930         p80211item_uint32_t *mibitem = (p80211item_uint32_t *)
1931                                                 &msg.mibattribute.data;
1932         int result = 0;
1933
1934         if (hw->wlandev->hwremoved)
1935                 return;
1936
1937         /* we don't care if we're in AP mode */
1938         if ((wlandev->macmode == WLAN_MACMODE_NONE) ||
1939             (wlandev->macmode == WLAN_MACMODE_ESS_AP)) {
1940                 return;
1941         }
1942
1943         /* It only makes sense to poll these in non-IBSS */
1944         if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) {
1945                 result = hfa384x_drvr_getconfig(
1946                                 hw, HFA384x_RID_DBMCOMMSQUALITY,
1947                                 &hw->qual, HFA384x_RID_DBMCOMMSQUALITY_LEN);
1948
1949                 if (result) {
1950                         netdev_err(wlandev->netdev, "error fetching commsqual\n");
1951                         return;
1952                 }
1953
1954                 pr_debug("commsqual %d %d %d\n",
1955                          le16_to_cpu(hw->qual.CQ_currBSS),
1956                          le16_to_cpu(hw->qual.ASL_currBSS),
1957                          le16_to_cpu(hw->qual.ANL_currFC));
1958         }
1959
1960         /* Get the signal rate */
1961         msg.msgcode = DIDmsg_dot11req_mibget;
1962         mibitem->did = DIDmib_p2_p2MAC_p2CurrentTxRate;
1963         result = p80211req_dorequest(wlandev, (u8 *) &msg);
1964
1965         if (result) {
1966                 pr_debug("get signal rate failed, result = %d\n",
1967                          result);
1968                 return;
1969         }
1970
1971         switch (mibitem->data) {
1972         case HFA384x_RATEBIT_1:
1973                 hw->txrate = 10;
1974                 break;
1975         case HFA384x_RATEBIT_2:
1976                 hw->txrate = 20;
1977                 break;
1978         case HFA384x_RATEBIT_5dot5:
1979                 hw->txrate = 55;
1980                 break;
1981         case HFA384x_RATEBIT_11:
1982                 hw->txrate = 110;
1983                 break;
1984         default:
1985                 pr_debug("Bad ratebit (%d)\n", mibitem->data);
1986         }
1987
1988         /* Lastly, we need to make sure the BSSID didn't change on us */
1989         result = hfa384x_drvr_getconfig(hw,
1990                                         HFA384x_RID_CURRENTBSSID,
1991                                         wlandev->bssid, WLAN_BSSID_LEN);
1992         if (result) {
1993                 pr_debug("getconfig(0x%02x) failed, result = %d\n",
1994                          HFA384x_RID_CURRENTBSSID, result);
1995                 return;
1996         }
1997
1998         result = hfa384x_drvr_getconfig(hw,
1999                                         HFA384x_RID_CURRENTSSID,
2000                                         &ssid, sizeof(ssid));
2001         if (result) {
2002                 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2003                          HFA384x_RID_CURRENTSSID, result);
2004                 return;
2005         }
2006         prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *) &ssid,
2007                                 (p80211pstrd_t *) &wlandev->ssid);
2008
2009         /* Reschedule timer */
2010         mod_timer(&hw->commsqual_timer, jiffies + HZ);
2011 }
2012
2013 void prism2sta_commsqual_timer(unsigned long data)
2014 {
2015         hfa384x_t *hw = (hfa384x_t *) data;
2016
2017         schedule_work(&hw->commsqual_bh);
2018 }