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/version.h>
  54 #include <linux/module.h>
  55 #include <linux/moduleparam.h>
  56 #include <linux/kernel.h>
  57 #include <linux/sched.h>
  58 #include <linux/types.h>
  59 #include <linux/init.h>
  60 #include <linux/slab.h>
  61 #include <linux/wireless.h>
  62 #include <linux/netdevice.h>
  63 #include <linux/workqueue.h>
  64 #include <linux/byteorder/generic.h>
  65 #include <linux/ctype.h>
  66
  67 #include <linux/io.h>
  68 #include <linux/delay.h>
  69 #include <asm/byteorder.h>
  70 #include <linux/if_arp.h>
  71 #include <linux/if_ether.h>
  72 #include <linux/bitops.h>
  73
  74 #include "p80211types.h"
  75 #include "p80211hdr.h"
  76 #include "p80211mgmt.h"
  77 #include "p80211conv.h"
  78 #include "p80211msg.h"
  79 #include "p80211netdev.h"
  80 #include "p80211req.h"
  81 #include "p80211metadef.h"
  82 #include "p80211metastruct.h"
  83 #include "hfa384x.h"
  84 #include "prism2mgmt.h"
  85
  86 /* Create a string of printable chars from something that might not be */
  87 /* It's recommended that the str be 4*len + 1 bytes long */
  88 #define wlan_mkprintstr(buf, buflen, str, strlen) \
  89 { \
  90         int i = 0; \
  91         int j = 0; \
  92         memset(str, 0, (strlen)); \
  93         for (i = 0; i < (buflen); i++) { \
  94                 if (isprint((buf)[i])) { \
  95                         (str)[j] = (buf)[i]; \
  96                         j++; \
  97                 } else { \
  98                         (str)[j] = '\\'; \
  99                         (str)[j+1] = 'x'; \
 100                         (str)[j+2] = hex_asc_hi((buf)[i]); \
 101                         (str)[j+3] = hex_asc_lo((buf)[i]); \
 102                         j += 4; \
 103                 } \
 104         } \
 105 }
 106
 107 static char *dev_info = "prism2_usb";
 108 static wlandevice_t *create_wlan(void);
 109
 110 int prism2_reset_holdtime = 30; /* Reset hold time in ms */
 111 int prism2_reset_settletime = 100;      /* Reset settle time in ms */
 112
 113 static int prism2_doreset;      /* Do a reset at init? */
 114
 115 module_param(prism2_doreset, int, 0644);
 116 MODULE_PARM_DESC(prism2_doreset, "Issue a reset on initialization");
 117
 118 module_param(prism2_reset_holdtime, int, 0644);
 119 MODULE_PARM_DESC(prism2_reset_holdtime, "reset hold time in ms");
 120 module_param(prism2_reset_settletime, int, 0644);
 121 MODULE_PARM_DESC(prism2_reset_settletime, "reset settle time in ms");
 122
 123 MODULE_LICENSE("Dual MPL/GPL");
 124
 125 void prism2_connect_result(wlandevice_t *wlandev, u8 failed);
 126 void prism2_disconnected(wlandevice_t *wlandev);
 127 void prism2_roamed(wlandevice_t *wlandev);
 128
 129 static int prism2sta_open(wlandevice_t *wlandev);
 130 static int prism2sta_close(wlandevice_t *wlandev);
 131 static void prism2sta_reset(wlandevice_t *wlandev);
 132 static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb,
 133                              p80211_hdr_t *p80211_hdr,
 134                              p80211_metawep_t *p80211_wep);
 135 static int prism2sta_mlmerequest(wlandevice_t *wlandev, p80211msg_t *msg);
 136 static int prism2sta_getcardinfo(wlandevice_t *wlandev);
 137 static int prism2sta_globalsetup(wlandevice_t *wlandev);
 138 static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev);
 139
 140 static void prism2sta_inf_handover(wlandevice_t *wlandev,
 141                                    hfa384x_InfFrame_t *inf);
 142 static void prism2sta_inf_tallies(wlandevice_t *wlandev,
 143                                   hfa384x_InfFrame_t *inf);
 144 static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev,
 145                                           hfa384x_InfFrame_t *inf);
 146 static void prism2sta_inf_scanresults(wlandevice_t *wlandev,
 147                                       hfa384x_InfFrame_t *inf);
 148 static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
 149                                         hfa384x_InfFrame_t *inf);
 150 static void prism2sta_inf_linkstatus(wlandevice_t *wlandev,
 151                                      hfa384x_InfFrame_t *inf);
 152 static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
 153                                       hfa384x_InfFrame_t *inf);
 154 static void prism2sta_inf_authreq(wlandevice_t *wlandev,
 155                                   hfa384x_InfFrame_t *inf);
 156 static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
 157                                         hfa384x_InfFrame_t *inf);
 158 static void prism2sta_inf_psusercnt(wlandevice_t *wlandev,
 159                                     hfa384x_InfFrame_t *inf);
 160
 161 /*----------------------------------------------------------------
 162 * prism2sta_open
 163 *
 164 * WLAN device open method.  Called from p80211netdev when kernel
 165 * device open (start) method is called in response to the
 166 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
 167 * from clear to set.
 168 *
 169 * Arguments:
 170 *       wlandev         wlan device structure
 171 *
 172 * Returns:
 173 *       0       success
 174 *       >0      f/w reported error
 175 *       <0      driver reported error
 176 *
 177 * Side effects:
 178 *
 179 * Call context:
 180 *       process thread
 181 ----------------------------------------------------------------*/
 182 static int prism2sta_open(wlandevice_t *wlandev)
 183 {
 184         /* We don't currently have to do anything else.
 185          * The setup of the MAC should be subsequently completed via
 186          * the mlme commands.
 187          * Higher layers know we're ready from dev->start==1 and
 188          * dev->tbusy==0.  Our rx path knows to pass up received/
 189          * frames because of dev->flags&IFF_UP is true.
 190          */
 191
 192         return 0;
 193 }
 194
 195 /*----------------------------------------------------------------
 196 * prism2sta_close
 197 *
 198 * WLAN device close method.  Called from p80211netdev when kernel
 199 * device close method is called in response to the
 200 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
 201 * from set to clear.
 202 *
 203 * Arguments:
 204 *       wlandev         wlan device structure
 205 *
 206 * Returns:
 207 *       0       success
 208 *       >0      f/w reported error
 209 *       <0      driver reported error
 210 *
 211 * Side effects:
 212 *
 213 * Call context:
 214 *       process thread
 215 ----------------------------------------------------------------*/
 216 static int prism2sta_close(wlandevice_t *wlandev)
 217 {
 218         /* We don't currently have to do anything else.
 219          * Higher layers know we're not ready from dev->start==0 and
 220          * dev->tbusy==1.  Our rx path knows to not pass up received
 221          * frames because of dev->flags&IFF_UP is false.
 222          */
 223
 224         return 0;
 225 }
 226
 227 /*----------------------------------------------------------------
 228 * prism2sta_reset
 229 *
 230 * Not currently implented.
 231 *
 232 * Arguments:
 233 *       wlandev         wlan device structure
 234 *       none
 235 *
 236 * Returns:
 237 *       nothing
 238 *
 239 * Side effects:
 240 *
 241 * Call context:
 242 *       process thread
 243 ----------------------------------------------------------------*/
 244 static void prism2sta_reset(wlandevice_t *wlandev)
 245 {
 246         return;
 247 }
 248
 249 /*----------------------------------------------------------------
 250 * prism2sta_txframe
 251 *
 252 * Takes a frame from p80211 and queues it for transmission.
 253 *
 254 * Arguments:
 255 *       wlandev         wlan device structure
 256 *       pb              packet buffer struct.  Contains an 802.11
 257 *                       data frame.
 258 *       p80211_hdr      points to the 802.11 header for the packet.
 259 * Returns:
 260 *       0               Success and more buffs available
 261 *       1               Success but no more buffs
 262 *       2               Allocation failure
 263 *       4               Buffer full or queue busy
 264 *
 265 * Side effects:
 266 *
 267 * Call context:
 268 *       process thread
 269 ----------------------------------------------------------------*/
 270 static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb,
 271                              p80211_hdr_t *p80211_hdr,
 272                              p80211_metawep_t *p80211_wep)
 273 {
 274         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 275         int result;
 276
 277         /* If necessary, set the 802.11 WEP bit */
 278         if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) ==
 279             HOSTWEP_PRIVACYINVOKED) {
 280                 p80211_hdr->a3.fc |= cpu_to_le16(WLAN_SET_FC_ISWEP(1));
 281         }
 282
 283         result = hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep);
 284
 285         return result;
 286 }
 287
 288 /*----------------------------------------------------------------
 289 * prism2sta_mlmerequest
 290 *
 291 * wlan command message handler.  All we do here is pass the message
 292 * over to the prism2sta_mgmt_handler.
 293 *
 294 * Arguments:
 295 *       wlandev         wlan device structure
 296 *       msg             wlan command message
 297 * Returns:
 298 *       0               success
 299 *       <0              successful acceptance of message, but we're
 300 *                       waiting for an async process to finish before
 301 *                       we're done with the msg.  When the asynch
 302 *                       process is done, we'll call the p80211
 303 *                       function p80211req_confirm() .
 304 *       >0              An error occurred while we were handling
 305 *                       the message.
 306 *
 307 * Side effects:
 308 *
 309 * Call context:
 310 *       process thread
 311 ----------------------------------------------------------------*/
 312 static int prism2sta_mlmerequest(wlandevice_t *wlandev, p80211msg_t *msg)
 313 {
 314         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 315
 316         int result = 0;
 317
 318         switch (msg->msgcode) {
 319         case DIDmsg_dot11req_mibget:
 320                 pr_debug("Received mibget request\n");
 321                 result = prism2mgmt_mibset_mibget(wlandev, msg);
 322                 break;
 323         case DIDmsg_dot11req_mibset:
 324                 pr_debug("Received mibset request\n");
 325                 result = prism2mgmt_mibset_mibget(wlandev, msg);
 326                 break;
 327         case DIDmsg_dot11req_scan:
 328                 pr_debug("Received scan request\n");
 329                 result = prism2mgmt_scan(wlandev, msg);
 330                 break;
 331         case DIDmsg_dot11req_scan_results:
 332                 pr_debug("Received scan_results request\n");
 333                 result = prism2mgmt_scan_results(wlandev, msg);
 334                 break;
 335         case DIDmsg_dot11req_start:
 336                 pr_debug("Received mlme start request\n");
 337                 result = prism2mgmt_start(wlandev, msg);
 338                 break;
 339                 /*
 340                  * Prism2 specific messages
 341                  */
 342         case DIDmsg_p2req_readpda:
 343                 pr_debug("Received mlme readpda request\n");
 344                 result = prism2mgmt_readpda(wlandev, msg);
 345                 break;
 346         case DIDmsg_p2req_ramdl_state:
 347                 pr_debug("Received mlme ramdl_state request\n");
 348                 result = prism2mgmt_ramdl_state(wlandev, msg);
 349                 break;
 350         case DIDmsg_p2req_ramdl_write:
 351                 pr_debug("Received mlme ramdl_write request\n");
 352                 result = prism2mgmt_ramdl_write(wlandev, msg);
 353                 break;
 354         case DIDmsg_p2req_flashdl_state:
 355                 pr_debug("Received mlme flashdl_state request\n");
 356                 result = prism2mgmt_flashdl_state(wlandev, msg);
 357                 break;
 358         case DIDmsg_p2req_flashdl_write:
 359                 pr_debug("Received mlme flashdl_write request\n");
 360                 result = prism2mgmt_flashdl_write(wlandev, msg);
 361                 break;
 362                 /*
 363                  * Linux specific messages
 364                  */
 365         case DIDmsg_lnxreq_hostwep:
 366                 break;          /* ignore me. */
 367         case DIDmsg_lnxreq_ifstate:
 368                 {
 369                         p80211msg_lnxreq_ifstate_t *ifstatemsg;
 370                         pr_debug("Received mlme ifstate request\n");
 371                         ifstatemsg = (p80211msg_lnxreq_ifstate_t *) msg;
 372                         result =
 373                             prism2sta_ifstate(wlandev,
 374                                               ifstatemsg->ifstate.data);
 375                         ifstatemsg->resultcode.status =
 376                             P80211ENUM_msgitem_status_data_ok;
 377                         ifstatemsg->resultcode.data = result;
 378                         result = 0;
 379                 }
 380                 break;
 381         case DIDmsg_lnxreq_wlansniff:
 382                 pr_debug("Received mlme wlansniff request\n");
 383                 result = prism2mgmt_wlansniff(wlandev, msg);
 384                 break;
 385         case DIDmsg_lnxreq_autojoin:
 386                 pr_debug("Received mlme autojoin request\n");
 387                 result = prism2mgmt_autojoin(wlandev, msg);
 388                 break;
 389         case DIDmsg_lnxreq_commsquality:{
 390                         p80211msg_lnxreq_commsquality_t *qualmsg;
 391
 392                         pr_debug("Received commsquality request\n");
 393
 394                         qualmsg = (p80211msg_lnxreq_commsquality_t *) msg;
 395
 396                         qualmsg->link.status =
 397                             P80211ENUM_msgitem_status_data_ok;
 398                         qualmsg->level.status =
 399                             P80211ENUM_msgitem_status_data_ok;
 400                         qualmsg->noise.status =
 401                             P80211ENUM_msgitem_status_data_ok;
 402
 403                         qualmsg->link.data = le16_to_cpu(hw->qual.CQ_currBSS);
 404                         qualmsg->level.data = le16_to_cpu(hw->qual.ASL_currBSS);
 405                         qualmsg->noise.data = le16_to_cpu(hw->qual.ANL_currFC);
 406                         qualmsg->txrate.data = hw->txrate;
 407
 408                         break;
 409                 }
 410         default:
 411                 printk(KERN_WARNING "Unknown mgmt request message 0x%08x",
 412                        msg->msgcode);
 413                 break;
 414         }
 415
 416         return result;
 417 }
 418
 419 /*----------------------------------------------------------------
 420 * prism2sta_ifstate
 421 *
 422 * Interface state.  This is the primary WLAN interface enable/disable
 423 * handler.  Following the driver/load/deviceprobe sequence, this
 424 * function must be called with a state of "enable" before any other
 425 * commands will be accepted.
 426 *
 427 * Arguments:
 428 *       wlandev         wlan device structure
 429 *       msgp            ptr to msg buffer
 430 *
 431 * Returns:
 432 *       A p80211 message resultcode value.
 433 *
 434 * Side effects:
 435 *
 436 * Call context:
 437 *       process thread  (usually)
 438 *       interrupt
 439 ----------------------------------------------------------------*/
 440 u32 prism2sta_ifstate(wlandevice_t *wlandev, u32 ifstate)
 441 {
 442         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 443         u32 result;
 444
 445         result = P80211ENUM_resultcode_implementation_failure;
 446
 447         pr_debug("Current MSD state(%d), requesting(%d)\n",
 448                  wlandev->msdstate, ifstate);
 449         switch (ifstate) {
 450         case P80211ENUM_ifstate_fwload:
 451                 switch (wlandev->msdstate) {
 452                 case WLAN_MSD_HWPRESENT:
 453                         wlandev->msdstate = WLAN_MSD_FWLOAD_PENDING;
 454                         /*
 455                          * Initialize the device+driver sufficiently
 456                          * for firmware loading.
 457                          */
 458                         result = hfa384x_drvr_start(hw);
 459                         if (result) {
 460                                 printk(KERN_ERR
 461                                        "hfa384x_drvr_start() failed,"
 462                                        "result=%d\n", (int)result);
 463                                 result =
 464                                  P80211ENUM_resultcode_implementation_failure;
 465                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 466                                 break;
 467                         }
 468                         wlandev->msdstate = WLAN_MSD_FWLOAD;
 469                         result = P80211ENUM_resultcode_success;
 470                         break;
 471                 case WLAN_MSD_FWLOAD:
 472                         hfa384x_cmd_initialize(hw);
 473                         result = P80211ENUM_resultcode_success;
 474                         break;
 475                 case WLAN_MSD_RUNNING:
 476                         printk(KERN_WARNING
 477                                "Cannot enter fwload state from enable state,"
 478                                "you must disable first.\n");
 479                         result = P80211ENUM_resultcode_invalid_parameters;
 480                         break;
 481                 case WLAN_MSD_HWFAIL:
 482                 default:
 483                         /* probe() had a problem or the msdstate contains
 484                          * an unrecognized value, there's nothing we can do.
 485                          */
 486                         result = P80211ENUM_resultcode_implementation_failure;
 487                         break;
 488                 }
 489                 break;
 490         case P80211ENUM_ifstate_enable:
 491                 switch (wlandev->msdstate) {
 492                 case WLAN_MSD_HWPRESENT:
 493                 case WLAN_MSD_FWLOAD:
 494                         wlandev->msdstate = WLAN_MSD_RUNNING_PENDING;
 495                         /* Initialize the device+driver for full
 496                          * operation. Note that this might me an FWLOAD to
 497                          * to RUNNING transition so we must not do a chip
 498                          * or board level reset.  Note that on failure,
 499                          * the MSD state is set to HWPRESENT because we
 500                          * can't make any assumptions about the state
 501                          * of the hardware or a previous firmware load.
 502                          */
 503                         result = hfa384x_drvr_start(hw);
 504                         if (result) {
 505                                 printk(KERN_ERR
 506                                        "hfa384x_drvr_start() failed,"
 507                                        "result=%d\n", (int)result);
 508                                 result =
 509                                   P80211ENUM_resultcode_implementation_failure;
 510                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 511                                 break;
 512                         }
 513
 514                         result = prism2sta_getcardinfo(wlandev);
 515                         if (result) {
 516                                 printk(KERN_ERR
 517                                        "prism2sta_getcardinfo() failed,"
 518                                        "result=%d\n", (int)result);
 519                                 result =
 520                                   P80211ENUM_resultcode_implementation_failure;
 521                                 hfa384x_drvr_stop(hw);
 522                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 523                                 break;
 524                         }
 525                         result = prism2sta_globalsetup(wlandev);
 526                         if (result) {
 527                                 printk(KERN_ERR
 528                                        "prism2sta_globalsetup() failed,"
 529                                        "result=%d\n", (int)result);
 530                                 result =
 531                                   P80211ENUM_resultcode_implementation_failure;
 532                                 hfa384x_drvr_stop(hw);
 533                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 534                                 break;
 535                         }
 536                         wlandev->msdstate = WLAN_MSD_RUNNING;
 537                         hw->join_ap = 0;
 538                         hw->join_retries = 60;
 539                         result = P80211ENUM_resultcode_success;
 540                         break;
 541                 case WLAN_MSD_RUNNING:
 542                         /* Do nothing, we're already in this state. */
 543                         result = P80211ENUM_resultcode_success;
 544                         break;
 545                 case WLAN_MSD_HWFAIL:
 546                 default:
 547                         /* probe() had a problem or the msdstate contains
 548                          * an unrecognized value, there's nothing we can do.
 549                          */
 550                         result = P80211ENUM_resultcode_implementation_failure;
 551                         break;
 552                 }
 553                 break;
 554         case P80211ENUM_ifstate_disable:
 555                 switch (wlandev->msdstate) {
 556                 case WLAN_MSD_HWPRESENT:
 557                         /* Do nothing, we're already in this state. */
 558                         result = P80211ENUM_resultcode_success;
 559                         break;
 560                 case WLAN_MSD_FWLOAD:
 561                 case WLAN_MSD_RUNNING:
 562                         wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
 563                         /*
 564                          * TODO: Shut down the MAC completely. Here a chip
 565                          * or board level reset is probably called for.
 566                          * After a "disable" _all_ results are lost, even
 567                          * those from a fwload.
 568                          */
 569                         if (!wlandev->hwremoved)
 570                                 netif_carrier_off(wlandev->netdev);
 571
 572                         hfa384x_drvr_stop(hw);
 573
 574                         wlandev->macmode = WLAN_MACMODE_NONE;
 575                         wlandev->msdstate = WLAN_MSD_HWPRESENT;
 576                         result = P80211ENUM_resultcode_success;
 577                         break;
 578                 case WLAN_MSD_HWFAIL:
 579                 default:
 580                         /* probe() had a problem or the msdstate contains
 581                          * an unrecognized value, there's nothing we can do.
 582                          */
 583                         result = P80211ENUM_resultcode_implementation_failure;
 584                         break;
 585                 }
 586                 break;
 587         default:
 588                 result = P80211ENUM_resultcode_invalid_parameters;
 589                 break;
 590         }
 591
 592         return result;
 593 }
 594
 595 /*----------------------------------------------------------------
 596 * prism2sta_getcardinfo
 597 *
 598 * Collect the NICID, firmware version and any other identifiers
 599 * we'd like to have in host-side data structures.
 600 *
 601 * Arguments:
 602 *       wlandev         wlan device structure
 603 *
 604 * Returns:
 605 *       0       success
 606 *       >0      f/w reported error
 607 *       <0      driver reported error
 608 *
 609 * Side effects:
 610 *
 611 * Call context:
 612 *       Either.
 613 ----------------------------------------------------------------*/
 614 static int prism2sta_getcardinfo(wlandevice_t *wlandev)
 615 {
 616         int result = 0;
 617         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 618         u16 temp;
 619         u8 snum[HFA384x_RID_NICSERIALNUMBER_LEN];
 620         char pstr[(HFA384x_RID_NICSERIALNUMBER_LEN * 4) + 1];
 621
 622         /* Collect version and compatibility info */
 623         /*  Some are critical, some are not */
 624         /* NIC identity */
 625         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICIDENTITY,
 626                                         &hw->ident_nic,
 627                                         sizeof(hfa384x_compident_t));
 628         if (result) {
 629                 printk(KERN_ERR "Failed to retrieve NICIDENTITY\n");
 630                 goto failed;
 631         }
 632
 633         /* get all the nic id fields in host byte order */
 634         hw->ident_nic.id = le16_to_cpu(hw->ident_nic.id);
 635         hw->ident_nic.variant = le16_to_cpu(hw->ident_nic.variant);
 636         hw->ident_nic.major = le16_to_cpu(hw->ident_nic.major);
 637         hw->ident_nic.minor = le16_to_cpu(hw->ident_nic.minor);
 638
 639         printk(KERN_INFO "ident: nic h/w: id=0x%02x %d.%d.%d\n",
 640                hw->ident_nic.id, hw->ident_nic.major,
 641                hw->ident_nic.minor, hw->ident_nic.variant);
 642
 643         /* Primary f/w identity */
 644         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY,
 645                                         &hw->ident_pri_fw,
 646                                         sizeof(hfa384x_compident_t));
 647         if (result) {
 648                 printk(KERN_ERR "Failed to retrieve PRIIDENTITY\n");
 649                 goto failed;
 650         }
 651
 652         /* get all the private fw id fields in host byte order */
 653         hw->ident_pri_fw.id = le16_to_cpu(hw->ident_pri_fw.id);
 654         hw->ident_pri_fw.variant = le16_to_cpu(hw->ident_pri_fw.variant);
 655         hw->ident_pri_fw.major = le16_to_cpu(hw->ident_pri_fw.major);
 656         hw->ident_pri_fw.minor = le16_to_cpu(hw->ident_pri_fw.minor);
 657
 658         printk(KERN_INFO "ident: pri f/w: id=0x%02x %d.%d.%d\n",
 659                hw->ident_pri_fw.id, hw->ident_pri_fw.major,
 660                hw->ident_pri_fw.minor, hw->ident_pri_fw.variant);
 661
 662         /* Station (Secondary?) f/w identity */
 663         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY,
 664                                         &hw->ident_sta_fw,
 665                                         sizeof(hfa384x_compident_t));
 666         if (result) {
 667                 printk(KERN_ERR "Failed to retrieve STAIDENTITY\n");
 668                 goto failed;
 669         }
 670
 671         if (hw->ident_nic.id < 0x8000) {
 672                 printk(KERN_ERR
 673                        "FATAL: Card is not an Intersil Prism2/2.5/3\n");
 674                 result = -1;
 675                 goto failed;
 676         }
 677
 678         /* get all the station fw id fields in host byte order */
 679         hw->ident_sta_fw.id = le16_to_cpu(hw->ident_sta_fw.id);
 680         hw->ident_sta_fw.variant = le16_to_cpu(hw->ident_sta_fw.variant);
 681         hw->ident_sta_fw.major = le16_to_cpu(hw->ident_sta_fw.major);
 682         hw->ident_sta_fw.minor = le16_to_cpu(hw->ident_sta_fw.minor);
 683
 684         /* strip out the 'special' variant bits */
 685         hw->mm_mods = hw->ident_sta_fw.variant & (BIT(14) | BIT(15));
 686         hw->ident_sta_fw.variant &= ~((u16) (BIT(14) | BIT(15)));
 687
 688         if (hw->ident_sta_fw.id == 0x1f) {
 689                 printk(KERN_INFO
 690                        "ident: sta f/w: id=0x%02x %d.%d.%d\n",
 691                        hw->ident_sta_fw.id, hw->ident_sta_fw.major,
 692                        hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
 693         } else {
 694                 printk(KERN_INFO
 695                        "ident:  ap f/w: id=0x%02x %d.%d.%d\n",
 696                        hw->ident_sta_fw.id, hw->ident_sta_fw.major,
 697                        hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
 698                 printk(KERN_ERR "Unsupported Tertiary AP firmeare loaded!\n");
 699                 goto failed;
 700         }
 701
 702         /* Compatibility range, Modem supplier */
 703         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE,
 704                                         &hw->cap_sup_mfi,
 705                                         sizeof(hfa384x_caplevel_t));
 706         if (result) {
 707                 printk(KERN_ERR "Failed to retrieve MFISUPRANGE\n");
 708                 goto failed;
 709         }
 710
 711         /* get all the Compatibility range, modem interface supplier
 712            fields in byte order */
 713         hw->cap_sup_mfi.role = le16_to_cpu(hw->cap_sup_mfi.role);
 714         hw->cap_sup_mfi.id = le16_to_cpu(hw->cap_sup_mfi.id);
 715         hw->cap_sup_mfi.variant = le16_to_cpu(hw->cap_sup_mfi.variant);
 716         hw->cap_sup_mfi.bottom = le16_to_cpu(hw->cap_sup_mfi.bottom);
 717         hw->cap_sup_mfi.top = le16_to_cpu(hw->cap_sup_mfi.top);
 718
 719         printk(KERN_INFO
 720                "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 721                hw->cap_sup_mfi.role, hw->cap_sup_mfi.id,
 722                hw->cap_sup_mfi.variant, hw->cap_sup_mfi.bottom,
 723                hw->cap_sup_mfi.top);
 724
 725         /* Compatibility range, Controller supplier */
 726         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE,
 727                                         &hw->cap_sup_cfi,
 728                                         sizeof(hfa384x_caplevel_t));
 729         if (result) {
 730                 printk(KERN_ERR "Failed to retrieve CFISUPRANGE\n");
 731                 goto failed;
 732         }
 733
 734         /* get all the Compatibility range, controller interface supplier
 735            fields in byte order */
 736         hw->cap_sup_cfi.role = le16_to_cpu(hw->cap_sup_cfi.role);
 737         hw->cap_sup_cfi.id = le16_to_cpu(hw->cap_sup_cfi.id);
 738         hw->cap_sup_cfi.variant = le16_to_cpu(hw->cap_sup_cfi.variant);
 739         hw->cap_sup_cfi.bottom = le16_to_cpu(hw->cap_sup_cfi.bottom);
 740         hw->cap_sup_cfi.top = le16_to_cpu(hw->cap_sup_cfi.top);
 741
 742         printk(KERN_INFO
 743                "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 744                hw->cap_sup_cfi.role, hw->cap_sup_cfi.id,
 745                hw->cap_sup_cfi.variant, hw->cap_sup_cfi.bottom,
 746                hw->cap_sup_cfi.top);
 747
 748         /* Compatibility range, Primary f/w supplier */
 749         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE,
 750                                         &hw->cap_sup_pri,
 751                                         sizeof(hfa384x_caplevel_t));
 752         if (result) {
 753                 printk(KERN_ERR "Failed to retrieve PRISUPRANGE\n");
 754                 goto failed;
 755         }
 756
 757         /* get all the Compatibility range, primary firmware supplier
 758            fields in byte order */
 759         hw->cap_sup_pri.role = le16_to_cpu(hw->cap_sup_pri.role);
 760         hw->cap_sup_pri.id = le16_to_cpu(hw->cap_sup_pri.id);
 761         hw->cap_sup_pri.variant = le16_to_cpu(hw->cap_sup_pri.variant);
 762         hw->cap_sup_pri.bottom = le16_to_cpu(hw->cap_sup_pri.bottom);
 763         hw->cap_sup_pri.top = le16_to_cpu(hw->cap_sup_pri.top);
 764
 765         printk(KERN_INFO
 766                "PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 767                hw->cap_sup_pri.role, hw->cap_sup_pri.id,
 768                hw->cap_sup_pri.variant, hw->cap_sup_pri.bottom,
 769                hw->cap_sup_pri.top);
 770
 771         /* Compatibility range, Station f/w supplier */
 772         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE,
 773                                         &hw->cap_sup_sta,
 774                                         sizeof(hfa384x_caplevel_t));
 775         if (result) {
 776                 printk(KERN_ERR "Failed to retrieve STASUPRANGE\n");
 777                 goto failed;
 778         }
 779
 780         /* get all the Compatibility range, station firmware supplier
 781            fields in byte order */
 782         hw->cap_sup_sta.role = le16_to_cpu(hw->cap_sup_sta.role);
 783         hw->cap_sup_sta.id = le16_to_cpu(hw->cap_sup_sta.id);
 784         hw->cap_sup_sta.variant = le16_to_cpu(hw->cap_sup_sta.variant);
 785         hw->cap_sup_sta.bottom = le16_to_cpu(hw->cap_sup_sta.bottom);
 786         hw->cap_sup_sta.top = le16_to_cpu(hw->cap_sup_sta.top);
 787
 788         if (hw->cap_sup_sta.id == 0x04) {
 789                 printk(KERN_INFO
 790                        "STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 791                        hw->cap_sup_sta.role, hw->cap_sup_sta.id,
 792                        hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
 793                        hw->cap_sup_sta.top);
 794         } else {
 795                 printk(KERN_INFO
 796                        "AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 797                        hw->cap_sup_sta.role, hw->cap_sup_sta.id,
 798                        hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
 799                        hw->cap_sup_sta.top);
 800         }
 801
 802         /* Compatibility range, primary f/w actor, CFI supplier */
 803         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES,
 804                                         &hw->cap_act_pri_cfi,
 805                                         sizeof(hfa384x_caplevel_t));
 806         if (result) {
 807                 printk(KERN_ERR "Failed to retrieve PRI_CFIACTRANGES\n");
 808                 goto failed;
 809         }
 810
 811         /* get all the Compatibility range, primary f/w actor, CFI supplier
 812            fields in byte order */
 813         hw->cap_act_pri_cfi.role = le16_to_cpu(hw->cap_act_pri_cfi.role);
 814         hw->cap_act_pri_cfi.id = le16_to_cpu(hw->cap_act_pri_cfi.id);
 815         hw->cap_act_pri_cfi.variant = le16_to_cpu(hw->cap_act_pri_cfi.variant);
 816         hw->cap_act_pri_cfi.bottom = le16_to_cpu(hw->cap_act_pri_cfi.bottom);
 817         hw->cap_act_pri_cfi.top = le16_to_cpu(hw->cap_act_pri_cfi.top);
 818
 819         printk(KERN_INFO
 820                "PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 821                hw->cap_act_pri_cfi.role, hw->cap_act_pri_cfi.id,
 822                hw->cap_act_pri_cfi.variant, hw->cap_act_pri_cfi.bottom,
 823                hw->cap_act_pri_cfi.top);
 824
 825         /* Compatibility range, sta f/w actor, CFI supplier */
 826         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES,
 827                                         &hw->cap_act_sta_cfi,
 828                                         sizeof(hfa384x_caplevel_t));
 829         if (result) {
 830                 printk(KERN_ERR "Failed to retrieve STA_CFIACTRANGES\n");
 831                 goto failed;
 832         }
 833
 834         /* get all the Compatibility range, station f/w actor, CFI supplier
 835            fields in byte order */
 836         hw->cap_act_sta_cfi.role = le16_to_cpu(hw->cap_act_sta_cfi.role);
 837         hw->cap_act_sta_cfi.id = le16_to_cpu(hw->cap_act_sta_cfi.id);
 838         hw->cap_act_sta_cfi.variant = le16_to_cpu(hw->cap_act_sta_cfi.variant);
 839         hw->cap_act_sta_cfi.bottom = le16_to_cpu(hw->cap_act_sta_cfi.bottom);
 840         hw->cap_act_sta_cfi.top = le16_to_cpu(hw->cap_act_sta_cfi.top);
 841
 842         printk(KERN_INFO
 843                "STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 844                hw->cap_act_sta_cfi.role, hw->cap_act_sta_cfi.id,
 845                hw->cap_act_sta_cfi.variant, hw->cap_act_sta_cfi.bottom,
 846                hw->cap_act_sta_cfi.top);
 847
 848         /* Compatibility range, sta f/w actor, MFI supplier */
 849         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES,
 850                                         &hw->cap_act_sta_mfi,
 851                                         sizeof(hfa384x_caplevel_t));
 852         if (result) {
 853                 printk(KERN_ERR "Failed to retrieve STA_MFIACTRANGES\n");
 854                 goto failed;
 855         }
 856
 857         /* get all the Compatibility range, station f/w actor, MFI supplier
 858            fields in byte order */
 859         hw->cap_act_sta_mfi.role = le16_to_cpu(hw->cap_act_sta_mfi.role);
 860         hw->cap_act_sta_mfi.id = le16_to_cpu(hw->cap_act_sta_mfi.id);
 861         hw->cap_act_sta_mfi.variant = le16_to_cpu(hw->cap_act_sta_mfi.variant);
 862         hw->cap_act_sta_mfi.bottom = le16_to_cpu(hw->cap_act_sta_mfi.bottom);
 863         hw->cap_act_sta_mfi.top = le16_to_cpu(hw->cap_act_sta_mfi.top);
 864
 865         printk(KERN_INFO
 866                "STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 867                hw->cap_act_sta_mfi.role, hw->cap_act_sta_mfi.id,
 868                hw->cap_act_sta_mfi.variant, hw->cap_act_sta_mfi.bottom,
 869                hw->cap_act_sta_mfi.top);
 870
 871         /* Serial Number */
 872         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICSERIALNUMBER,
 873                                         snum, HFA384x_RID_NICSERIALNUMBER_LEN);
 874         if (!result) {
 875                 wlan_mkprintstr(snum, HFA384x_RID_NICSERIALNUMBER_LEN,
 876                                 pstr, sizeof(pstr));
 877                 printk(KERN_INFO "Prism2 card SN: %s\n", pstr);
 878         } else {
 879                 printk(KERN_ERR "Failed to retrieve Prism2 Card SN\n");
 880                 goto failed;
 881         }
 882
 883         /* Collect the MAC address */
 884         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR,
 885                                         wlandev->netdev->dev_addr, ETH_ALEN);
 886         if (result != 0) {
 887                 printk(KERN_ERR "Failed to retrieve mac address\n");
 888                 goto failed;
 889         }
 890
 891         /* short preamble is always implemented */
 892         wlandev->nsdcaps |= P80211_NSDCAP_SHORT_PREAMBLE;
 893
 894         /* find out if hardware wep is implemented */
 895         hfa384x_drvr_getconfig16(hw, HFA384x_RID_PRIVACYOPTIMP, &temp);
 896         if (temp)
 897                 wlandev->nsdcaps |= P80211_NSDCAP_HARDWAREWEP;
 898
 899         /* get the dBm Scaling constant */
 900         hfa384x_drvr_getconfig16(hw, HFA384x_RID_CNFDBMADJUST, &temp);
 901         hw->dbmadjust = temp;
 902
 903         /* Only enable scan by default on newer firmware */
 904         if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
 905                                      hw->ident_sta_fw.minor,
 906                                      hw->ident_sta_fw.variant) <
 907             HFA384x_FIRMWARE_VERSION(1, 5, 5)) {
 908                 wlandev->nsdcaps |= P80211_NSDCAP_NOSCAN;
 909         }
 910
 911         /* TODO: Set any internally managed config items */
 912
 913         goto done;
 914 failed:
 915         printk(KERN_ERR "Failed, result=%d\n", result);
 916 done:
 917         return result;
 918 }
 919
 920 /*----------------------------------------------------------------
 921 * prism2sta_globalsetup
 922 *
 923 * Set any global RIDs that we want to set at device activation.
 924 *
 925 * Arguments:
 926 *       wlandev         wlan device structure
 927 *
 928 * Returns:
 929 *       0       success
 930 *       >0      f/w reported error
 931 *       <0      driver reported error
 932 *
 933 * Side effects:
 934 *
 935 * Call context:
 936 *       process thread
 937 ----------------------------------------------------------------*/
 938 static int prism2sta_globalsetup(wlandevice_t *wlandev)
 939 {
 940         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 941
 942         /* Set the maximum frame size */
 943         return hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN,
 944                                         WLAN_DATA_MAXLEN);
 945 }
 946
 947 static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev)
 948 {
 949         int result = 0;
 950         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 951
 952         u16 promisc;
 953
 954         /* If we're not ready, what's the point? */
 955         if (hw->state != HFA384x_STATE_RUNNING)
 956                 goto exit;
 957
 958         if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0)
 959                 promisc = P80211ENUM_truth_true;
 960         else
 961                 promisc = P80211ENUM_truth_false;
 962
 963         result =
 964             hfa384x_drvr_setconfig16_async(hw, HFA384x_RID_PROMISCMODE,
 965                                            promisc);
 966 exit:
 967         return result;
 968 }
 969
 970 /*----------------------------------------------------------------
 971 * prism2sta_inf_handover
 972 *
 973 * Handles the receipt of a Handover info frame. Should only be present
 974 * in APs only.
 975 *
 976 * Arguments:
 977 *       wlandev         wlan device structure
 978 *       inf             ptr to info frame (contents in hfa384x order)
 979 *
 980 * Returns:
 981 *       nothing
 982 *
 983 * Side effects:
 984 *
 985 * Call context:
 986 *       interrupt
 987 ----------------------------------------------------------------*/
 988 static void prism2sta_inf_handover(wlandevice_t *wlandev,
 989                                    hfa384x_InfFrame_t *inf)
 990 {
 991         pr_debug("received infoframe:HANDOVER (unhandled)\n");
 992         return;
 993 }
 994
 995 /*----------------------------------------------------------------
 996 * prism2sta_inf_tallies
 997 *
 998 * Handles the receipt of a CommTallies info frame.
 999 *
1000 * Arguments:
1001 *       wlandev         wlan device structure
1002 *       inf             ptr to info frame (contents in hfa384x order)
1003 *
1004 * Returns:
1005 *       nothing
1006 *
1007 * Side effects:
1008 *
1009 * Call context:
1010 *       interrupt
1011 ----------------------------------------------------------------*/
1012 static void prism2sta_inf_tallies(wlandevice_t *wlandev,
1013                                   hfa384x_InfFrame_t *inf)
1014 {
1015         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1016         u16 *src16;
1017         u32 *dst;
1018         u32 *src32;
1019         int i;
1020         int cnt;
1021
1022         /*
1023          ** Determine if these are 16-bit or 32-bit tallies, based on the
1024          ** record length of the info record.
1025          */
1026
1027         cnt = sizeof(hfa384x_CommTallies32_t) / sizeof(u32);
1028         if (inf->framelen > 22) {
1029                 dst = (u32 *) &hw->tallies;
1030                 src32 = (u32 *) &inf->info.commtallies32;
1031                 for (i = 0; i < cnt; i++, dst++, src32++)
1032                         *dst += le32_to_cpu(*src32);
1033         } else {
1034                 dst = (u32 *) &hw->tallies;
1035                 src16 = (u16 *) &inf->info.commtallies16;
1036                 for (i = 0; i < cnt; i++, dst++, src16++)
1037                         *dst += le16_to_cpu(*src16);
1038         }
1039
1040         return;
1041 }
1042
1043 /*----------------------------------------------------------------
1044 * prism2sta_inf_scanresults
1045 *
1046 * Handles the receipt of a Scan Results info frame.
1047 *
1048 * Arguments:
1049 *       wlandev         wlan device structure
1050 *       inf             ptr to info frame (contents in hfa384x order)
1051 *
1052 * Returns:
1053 *       nothing
1054 *
1055 * Side effects:
1056 *
1057 * Call context:
1058 *       interrupt
1059 ----------------------------------------------------------------*/
1060 static void prism2sta_inf_scanresults(wlandevice_t *wlandev,
1061                                       hfa384x_InfFrame_t *inf)
1062 {
1063
1064         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1065         int nbss;
1066         hfa384x_ScanResult_t *sr = &(inf->info.scanresult);
1067         int i;
1068         hfa384x_JoinRequest_data_t joinreq;
1069         int result;
1070
1071         /* Get the number of results, first in bytes, then in results */
1072         nbss = (inf->framelen * sizeof(u16)) -
1073             sizeof(inf->infotype) - sizeof(inf->info.scanresult.scanreason);
1074         nbss /= sizeof(hfa384x_ScanResultSub_t);
1075
1076         /* Print em */
1077         pr_debug("rx scanresults, reason=%d, nbss=%d:\n",
1078                  inf->info.scanresult.scanreason, nbss);
1079         for (i = 0; i < nbss; i++) {
1080                 pr_debug("chid=%d anl=%d sl=%d bcnint=%d\n",
1081                          sr->result[i].chid,
1082                          sr->result[i].anl,
1083                          sr->result[i].sl, sr->result[i].bcnint);
1084                 pr_debug("  capinfo=0x%04x proberesp_rate=%d\n",
1085                          sr->result[i].capinfo, sr->result[i].proberesp_rate);
1086         }
1087         /* issue a join request */
1088         joinreq.channel = sr->result[0].chid;
1089         memcpy(joinreq.bssid, sr->result[0].bssid, WLAN_BSSID_LEN);
1090         result = hfa384x_drvr_setconfig(hw,
1091                                         HFA384x_RID_JOINREQUEST,
1092                                         &joinreq, HFA384x_RID_JOINREQUEST_LEN);
1093         if (result) {
1094                 printk(KERN_ERR "setconfig(joinreq) failed, result=%d\n",
1095                        result);
1096         }
1097
1098         return;
1099 }
1100
1101 /*----------------------------------------------------------------
1102 * prism2sta_inf_hostscanresults
1103 *
1104 * Handles the receipt of a Scan Results info frame.
1105 *
1106 * Arguments:
1107 *       wlandev         wlan device structure
1108 *       inf             ptr to info frame (contents in hfa384x order)
1109 *
1110 * Returns:
1111 *       nothing
1112 *
1113 * Side effects:
1114 *
1115 * Call context:
1116 *       interrupt
1117 ----------------------------------------------------------------*/
1118 static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev,
1119                                           hfa384x_InfFrame_t *inf)
1120 {
1121         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1122         int nbss;
1123
1124         nbss = (inf->framelen - 3) / 32;
1125         pr_debug("Received %d hostscan results\n", nbss);
1126
1127         if (nbss > 32)
1128                 nbss = 32;
1129
1130         kfree(hw->scanresults);
1131
1132         hw->scanresults = kmalloc(sizeof(hfa384x_InfFrame_t), GFP_ATOMIC);
1133         memcpy(hw->scanresults, inf, sizeof(hfa384x_InfFrame_t));
1134
1135         if (nbss == 0)
1136                 nbss = -1;
1137
1138         /* Notify/wake the sleeping caller. */
1139         hw->scanflag = nbss;
1140         wake_up_interruptible(&hw->cmdq);
1141 };
1142
1143 /*----------------------------------------------------------------
1144 * prism2sta_inf_chinforesults
1145 *
1146 * Handles the receipt of a Channel Info Results info frame.
1147 *
1148 * Arguments:
1149 *       wlandev         wlan device structure
1150 *       inf             ptr to info frame (contents in hfa384x order)
1151 *
1152 * Returns:
1153 *       nothing
1154 *
1155 * Side effects:
1156 *
1157 * Call context:
1158 *       interrupt
1159 ----------------------------------------------------------------*/
1160 static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
1161                                         hfa384x_InfFrame_t *inf)
1162 {
1163         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1164         unsigned int i, n;
1165
1166         hw->channel_info.results.scanchannels =
1167             le16_to_cpu(inf->info.chinforesult.scanchannels);
1168
1169         for (i = 0, n = 0; i < HFA384x_CHINFORESULT_MAX; i++) {
1170                 if (hw->channel_info.results.scanchannels & (1 << i)) {
1171                         int channel =
1172                             le16_to_cpu(inf->info.chinforesult.result[n].chid) -
1173                             1;
1174                         hfa384x_ChInfoResultSub_t *chinforesult =
1175                             &hw->channel_info.results.result[channel];
1176                         chinforesult->chid = channel;
1177                         chinforesult->anl =
1178                             le16_to_cpu(inf->info.chinforesult.result[n].anl);
1179                         chinforesult->pnl =
1180                             le16_to_cpu(inf->info.chinforesult.result[n].pnl);
1181                         chinforesult->active =
1182                             le16_to_cpu(inf->info.chinforesult.result[n].
1183                                         active);
1184         pr_debug
1185                 ("chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
1186                              channel + 1,
1187                              chinforesult->
1188                              active & HFA384x_CHINFORESULT_BSSACTIVE ? "signal"
1189                              : "noise", chinforesult->anl, chinforesult->pnl,
1190                              chinforesult->
1191                              active & HFA384x_CHINFORESULT_PCFACTIVE ? 1 : 0);
1192                         n++;
1193                 }
1194         }
1195         atomic_set(&hw->channel_info.done, 2);
1196
1197         hw->channel_info.count = n;
1198         return;
1199 }
1200
1201 void prism2sta_processing_defer(struct work_struct *data)
1202 {
1203         hfa384x_t *hw = container_of(data, struct hfa384x, link_bh);
1204         wlandevice_t *wlandev = hw->wlandev;
1205         hfa384x_bytestr32_t ssid;
1206         int result;
1207
1208         /* First let's process the auth frames */
1209         {
1210                 struct sk_buff *skb;
1211                 hfa384x_InfFrame_t *inf;
1212
1213                 while ((skb = skb_dequeue(&hw->authq))) {
1214                         inf = (hfa384x_InfFrame_t *) skb->data;
1215                         prism2sta_inf_authreq_defer(wlandev, inf);
1216                 }
1217
1218         }
1219
1220         /* Now let's handle the linkstatus stuff */
1221         if (hw->link_status == hw->link_status_new)
1222                 goto failed;
1223
1224         hw->link_status = hw->link_status_new;
1225
1226         switch (hw->link_status) {
1227         case HFA384x_LINK_NOTCONNECTED:
1228                 /* I'm currently assuming that this is the initial link
1229                  * state.  It should only be possible immediately
1230                  * following an Enable command.
1231                  * Response:
1232                  * Block Transmits, Ignore receives of data frames
1233                  */
1234                 netif_carrier_off(wlandev->netdev);
1235
1236                 printk(KERN_INFO "linkstatus=NOTCONNECTED (unhandled)\n");
1237                 break;
1238
1239         case HFA384x_LINK_CONNECTED:
1240                 /* This one indicates a successful scan/join/auth/assoc.
1241                  * When we have the full MLME complement, this event will
1242                  * signify successful completion of both mlme_authenticate
1243                  * and mlme_associate.  State management will get a little
1244                  * ugly here.
1245                  * Response:
1246                  * Indicate authentication and/or association
1247                  * Enable Transmits, Receives and pass up data frames
1248                  */
1249
1250                 netif_carrier_on(wlandev->netdev);
1251
1252                 /* If we are joining a specific AP, set our
1253                  * state and reset retries
1254                  */
1255                 if (hw->join_ap == 1)
1256                         hw->join_ap = 2;
1257                 hw->join_retries = 60;
1258
1259                 /* Don't call this in monitor mode */
1260                 if (wlandev->netdev->type == ARPHRD_ETHER) {
1261                         u16 portstatus;
1262
1263                         printk(KERN_INFO "linkstatus=CONNECTED\n");
1264
1265                         /* For non-usb devices, we can use the sync versions */
1266                         /* Collect the BSSID, and set state to allow tx */
1267
1268                         result = hfa384x_drvr_getconfig(hw,
1269                                                 HFA384x_RID_CURRENTBSSID,
1270                                                 wlandev->bssid,
1271                                                 WLAN_BSSID_LEN);
1272                         if (result) {
1273                                 pr_debug
1274                                     ("getconfig(0x%02x) failed, result = %d\n",
1275                                      HFA384x_RID_CURRENTBSSID, result);
1276                                 goto failed;
1277                         }
1278
1279                         result = hfa384x_drvr_getconfig(hw,
1280                                                         HFA384x_RID_CURRENTSSID,
1281                                                         &ssid, sizeof(ssid));
1282                         if (result) {
1283                                 pr_debug
1284                                     ("getconfig(0x%02x) failed, result = %d\n",
1285                                      HFA384x_RID_CURRENTSSID, result);
1286                                 goto failed;
1287                         }
1288                         prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) &ssid,
1289                                                 (p80211pstrd_t *) &
1290                                                 wlandev->ssid);
1291
1292                         /* Collect the port status */
1293                         result = hfa384x_drvr_getconfig16(hw,
1294                                                         HFA384x_RID_PORTSTATUS,
1295                                                         &portstatus);
1296                         if (result) {
1297                                 pr_debug
1298                                     ("getconfig(0x%02x) failed, result = %d\n",
1299                                      HFA384x_RID_PORTSTATUS, result);
1300                                 goto failed;
1301                         }
1302                         wlandev->macmode =
1303                             (portstatus == HFA384x_PSTATUS_CONN_IBSS) ?
1304                             WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA;
1305
1306                         /* signal back up to cfg80211 layer */
1307                         prism2_connect_result(wlandev, P80211ENUM_truth_false);
1308
1309                         /* Get the ball rolling on the comms quality stuff */
1310                         prism2sta_commsqual_defer(&hw->commsqual_bh);
1311                 }
1312                 break;
1313
1314         case HFA384x_LINK_DISCONNECTED:
1315                 /* This one indicates that our association is gone.  We've
1316                  * lost connection with the AP and/or been disassociated.
1317                  * This indicates that the MAC has completely cleared it's
1318                  * associated state.  We * should send a deauth indication
1319                  * (implying disassoc) up * to the MLME.
1320                  * Response:
1321                  * Indicate Deauthentication
1322                  * Block Transmits, Ignore receives of data frames
1323                  */
1324                 if (wlandev->netdev->type == ARPHRD_ETHER)
1325                         printk(KERN_INFO
1326                                "linkstatus=DISCONNECTED (unhandled)\n");
1327                 wlandev->macmode = WLAN_MACMODE_NONE;
1328
1329                 netif_carrier_off(wlandev->netdev);
1330
1331                 /* signal back up to cfg80211 layer */
1332                 prism2_disconnected(wlandev);
1333
1334                 break;
1335
1336         case HFA384x_LINK_AP_CHANGE:
1337                 /* This one indicates that the MAC has decided to and
1338                  * successfully completed a change to another AP.  We
1339                  * should probably implement a reassociation indication
1340                  * in response to this one.  I'm thinking that the the
1341                  * p80211 layer needs to be notified in case of
1342                  * buffering/queueing issues.  User mode also needs to be
1343                  * notified so that any BSS dependent elements can be
1344                  * updated.
1345                  * associated state.  We * should send a deauth indication
1346                  * (implying disassoc) up * to the MLME.
1347                  * Response:
1348                  * Indicate Reassociation
1349                  * Enable Transmits, Receives and pass up data frames
1350                  */
1351                 printk(KERN_INFO "linkstatus=AP_CHANGE\n");
1352
1353                 result = hfa384x_drvr_getconfig(hw,
1354                                                 HFA384x_RID_CURRENTBSSID,
1355                                                 wlandev->bssid, WLAN_BSSID_LEN);
1356                 if (result) {
1357                         pr_debug("getconfig(0x%02x) failed, result = %d\n",
1358                                  HFA384x_RID_CURRENTBSSID, result);
1359                         goto failed;
1360                 }
1361
1362                 result = hfa384x_drvr_getconfig(hw,
1363                                                 HFA384x_RID_CURRENTSSID,
1364                                                 &ssid, sizeof(ssid));
1365                 if (result) {
1366                         pr_debug("getconfig(0x%02x) failed, result = %d\n",
1367                                  HFA384x_RID_CURRENTSSID, result);
1368                         goto failed;
1369                 }
1370                 prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) &ssid,
1371                                         (p80211pstrd_t *) &wlandev->ssid);
1372
1373                 hw->link_status = HFA384x_LINK_CONNECTED;
1374                 netif_carrier_on(wlandev->netdev);
1375
1376                 /* signal back up to cfg80211 layer */
1377                 prism2_roamed(wlandev);
1378
1379                 break;
1380
1381         case HFA384x_LINK_AP_OUTOFRANGE:
1382                 /* This one indicates that the MAC has decided that the
1383                  * AP is out of range, but hasn't found a better candidate
1384                  * so the MAC maintains its "associated" state in case
1385                  * we get back in range.  We should block transmits and
1386                  * receives in this state.  Do we need an indication here?
1387                  * Probably not since a polling user-mode element would
1388                  * get this status from from p2PortStatus(FD40). What about
1389                  * p80211?
1390                  * Response:
1391                  * Block Transmits, Ignore receives of data frames
1392                  */
1393                 printk(KERN_INFO "linkstatus=AP_OUTOFRANGE (unhandled)\n");
1394
1395                 netif_carrier_off(wlandev->netdev);
1396
1397                 break;
1398
1399         case HFA384x_LINK_AP_INRANGE:
1400                 /* This one indicates that the MAC has decided that the
1401                  * AP is back in range.  We continue working with our
1402                  * existing association.
1403                  * Response:
1404                  * Enable Transmits, Receives and pass up data frames
1405                  */
1406                 printk(KERN_INFO "linkstatus=AP_INRANGE\n");
1407
1408                 hw->link_status = HFA384x_LINK_CONNECTED;
1409                 netif_carrier_on(wlandev->netdev);
1410
1411                 break;
1412
1413         case HFA384x_LINK_ASSOCFAIL:
1414                 /* This one is actually a peer to CONNECTED.  We've
1415                  * requested a join for a given SSID and optionally BSSID.
1416                  * We can use this one to indicate authentication and
1417                  * association failures.  The trick is going to be
1418                  * 1) identifying the failure, and 2) state management.
1419                  * Response:
1420                  * Disable Transmits, Ignore receives of data frames
1421                  */
1422                 if (hw->join_ap && --hw->join_retries > 0) {
1423                         hfa384x_JoinRequest_data_t joinreq;
1424                         joinreq = hw->joinreq;
1425                         /* Send the join request */
1426                         hfa384x_drvr_setconfig(hw,
1427                                                HFA384x_RID_JOINREQUEST,
1428                                                &joinreq,
1429                                                HFA384x_RID_JOINREQUEST_LEN);
1430                         printk(KERN_INFO
1431                                "linkstatus=ASSOCFAIL (re-submitting join)\n");
1432                 } else {
1433                         printk(KERN_INFO "linkstatus=ASSOCFAIL (unhandled)\n");
1434                 }
1435
1436                 netif_carrier_off(wlandev->netdev);
1437
1438                 /* signal back up to cfg80211 layer */
1439                 prism2_connect_result(wlandev, P80211ENUM_truth_true);
1440
1441                 break;
1442
1443         default:
1444                 /* This is bad, IO port problems? */
1445                 printk(KERN_WARNING
1446                        "unknown linkstatus=0x%02x\n", hw->link_status);
1447                 goto failed;
1448                 break;
1449         }
1450
1451         wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED);
1452
1453 failed:
1454         return;
1455 }
1456
1457 /*----------------------------------------------------------------
1458 * prism2sta_inf_linkstatus
1459 *
1460 * Handles the receipt of a Link Status info frame.
1461 *
1462 * Arguments:
1463 *       wlandev         wlan device structure
1464 *       inf             ptr to info frame (contents in hfa384x order)
1465 *
1466 * Returns:
1467 *       nothing
1468 *
1469 * Side effects:
1470 *
1471 * Call context:
1472 *       interrupt
1473 ----------------------------------------------------------------*/
1474 static void prism2sta_inf_linkstatus(wlandevice_t *wlandev,
1475                                      hfa384x_InfFrame_t *inf)
1476 {
1477         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1478
1479         hw->link_status_new = le16_to_cpu(inf->info.linkstatus.linkstatus);
1480
1481         schedule_work(&hw->link_bh);
1482
1483         return;
1484 }
1485
1486 /*----------------------------------------------------------------
1487 * prism2sta_inf_assocstatus
1488 *
1489 * Handles the receipt of an Association Status info frame. Should
1490 * be present in APs only.
1491 *
1492 * Arguments:
1493 *       wlandev         wlan device structure
1494 *       inf             ptr to info frame (contents in hfa384x order)
1495 *
1496 * Returns:
1497 *       nothing
1498 *
1499 * Side effects:
1500 *
1501 * Call context:
1502 *       interrupt
1503 ----------------------------------------------------------------*/
1504 static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
1505                                       hfa384x_InfFrame_t *inf)
1506 {
1507         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1508         hfa384x_AssocStatus_t rec;
1509         int i;
1510
1511         memcpy(&rec, &inf->info.assocstatus, sizeof(rec));
1512         rec.assocstatus = le16_to_cpu(rec.assocstatus);
1513         rec.reason = le16_to_cpu(rec.reason);
1514
1515         /*
1516          ** Find the address in the list of authenticated stations.
1517          ** If it wasn't found, then this address has not been previously
1518          ** authenticated and something weird has happened if this is
1519          ** anything other than an "authentication failed" message.
1520          ** If the address was found, then set the "associated" flag for
1521          ** that station, based on whether the station is associating or
1522          ** losing its association.  Something weird has also happened
1523          ** if we find the address in the list of authenticated stations
1524          ** but we are getting an "authentication failed" message.
1525          */
1526
1527         for (i = 0; i < hw->authlist.cnt; i++)
1528                 if (memcmp(rec.sta_addr, hw->authlist.addr[i], ETH_ALEN) == 0)
1529                         break;
1530
1531         if (i >= hw->authlist.cnt) {
1532                 if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL)
1533                         printk(KERN_WARNING
1534         "assocstatus info frame received for non-authenticated station.\n");
1535         } else {
1536                 hw->authlist.assoc[i] =
1537                     (rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC ||
1538                      rec.assocstatus == HFA384x_ASSOCSTATUS_REASSOC);
1539
1540                 if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL)
1541                         printk(KERN_WARNING
1542 "authfail assocstatus info frame received for authenticated station.\n");
1543         }
1544
1545         return;
1546 }
1547
1548 /*----------------------------------------------------------------
1549 * prism2sta_inf_authreq
1550 *
1551 * Handles the receipt of an Authentication Request info frame. Should
1552 * be present in APs only.
1553 *
1554 * Arguments:
1555 *       wlandev         wlan device structure
1556 *       inf             ptr to info frame (contents in hfa384x order)
1557 *
1558 * Returns:
1559 *       nothing
1560 *
1561 * Side effects:
1562 *
1563 * Call context:
1564 *       interrupt
1565 *
1566 ----------------------------------------------------------------*/
1567 static void prism2sta_inf_authreq(wlandevice_t *wlandev,
1568                                   hfa384x_InfFrame_t *inf)
1569 {
1570         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1571         struct sk_buff *skb;
1572
1573         skb = dev_alloc_skb(sizeof(*inf));
1574         if (skb) {
1575                 skb_put(skb, sizeof(*inf));
1576                 memcpy(skb->data, inf, sizeof(*inf));
1577                 skb_queue_tail(&hw->authq, skb);
1578                 schedule_work(&hw->link_bh);
1579         }
1580 }
1581
1582 static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
1583                                         hfa384x_InfFrame_t *inf)
1584 {
1585         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1586         hfa384x_authenticateStation_data_t rec;
1587
1588         int i, added, result, cnt;
1589         u8 *addr;
1590
1591         /*
1592          ** Build the AuthenticateStation record.  Initialize it for denying
1593          ** authentication.
1594          */
1595
1596         memcpy(rec.address, inf->info.authreq.sta_addr, ETH_ALEN);
1597         rec.status = P80211ENUM_status_unspec_failure;
1598
1599         /*
1600          ** Authenticate based on the access mode.
1601          */
1602
1603         switch (hw->accessmode) {
1604         case WLAN_ACCESS_NONE:
1605
1606                 /*
1607                  ** Deny all new authentications.  However, if a station
1608                  ** is ALREADY authenticated, then accept it.
1609                  */
1610
1611                 for (i = 0; i < hw->authlist.cnt; i++)
1612                         if (memcmp(rec.address, hw->authlist.addr[i],
1613                                    ETH_ALEN) == 0) {
1614                                 rec.status = P80211ENUM_status_successful;
1615                                 break;
1616                         }
1617
1618                 break;
1619
1620         case WLAN_ACCESS_ALL:
1621
1622                 /*
1623                  ** Allow all authentications.
1624                  */
1625
1626                 rec.status = P80211ENUM_status_successful;
1627                 break;
1628
1629         case WLAN_ACCESS_ALLOW:
1630
1631                 /*
1632                  ** Only allow the authentication if the MAC address
1633                  ** is in the list of allowed addresses.
1634                  **
1635                  ** Since this is the interrupt handler, we may be here
1636                  ** while the access list is in the middle of being
1637                  ** updated.  Choose the list which is currently okay.
1638                  ** See "prism2mib_priv_accessallow()" for details.
1639                  */
1640
1641                 if (hw->allow.modify == 0) {
1642                         cnt = hw->allow.cnt;
1643                         addr = hw->allow.addr[0];
1644                 } else {
1645                         cnt = hw->allow.cnt1;
1646                         addr = hw->allow.addr1[0];
1647                 }
1648
1649                 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1650                         if (memcmp(rec.address, addr, ETH_ALEN) == 0) {
1651                                 rec.status = P80211ENUM_status_successful;
1652                                 break;
1653                         }
1654
1655                 break;
1656
1657         case WLAN_ACCESS_DENY:
1658
1659                 /*
1660                  ** Allow the authentication UNLESS the MAC address is
1661                  ** in the list of denied addresses.
1662                  **
1663                  ** Since this is the interrupt handler, we may be here
1664                  ** while the access list is in the middle of being
1665                  ** updated.  Choose the list which is currently okay.
1666                  ** See "prism2mib_priv_accessdeny()" for details.
1667                  */
1668
1669                 if (hw->deny.modify == 0) {
1670                         cnt = hw->deny.cnt;
1671                         addr = hw->deny.addr[0];
1672                 } else {
1673                         cnt = hw->deny.cnt1;
1674                         addr = hw->deny.addr1[0];
1675                 }
1676
1677                 rec.status = P80211ENUM_status_successful;
1678
1679                 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1680                         if (memcmp(rec.address, addr, ETH_ALEN) == 0) {
1681                                 rec.status = P80211ENUM_status_unspec_failure;
1682                                 break;
1683                         }
1684
1685                 break;
1686         }
1687
1688         /*
1689          ** If the authentication is okay, then add the MAC address to the
1690          ** list of authenticated stations.  Don't add the address if it
1691          ** is already in the list. (802.11b does not seem to disallow
1692          ** a station from issuing an authentication request when the
1693          ** station is already authenticated. Does this sort of thing
1694          ** ever happen?  We might as well do the check just in case.)
1695          */
1696
1697         added = 0;
1698
1699         if (rec.status == P80211ENUM_status_successful) {
1700                 for (i = 0; i < hw->authlist.cnt; i++)
1701                         if (memcmp(rec.address, hw->authlist.addr[i], ETH_ALEN)
1702                             == 0)
1703                                 break;
1704
1705                 if (i >= hw->authlist.cnt) {
1706                         if (hw->authlist.cnt >= WLAN_AUTH_MAX) {
1707                                 rec.status = P80211ENUM_status_ap_full;
1708                         } else {
1709                                 memcpy(hw->authlist.addr[hw->authlist.cnt],
1710                                        rec.address, ETH_ALEN);
1711                                 hw->authlist.cnt++;
1712                                 added = 1;
1713                         }
1714                 }
1715         }
1716
1717         /*
1718          ** Send back the results of the authentication.  If this doesn't work,
1719          ** then make sure to remove the address from the authenticated list if
1720          ** it was added.
1721          */
1722
1723         rec.status = cpu_to_le16(rec.status);
1724         rec.algorithm = inf->info.authreq.algorithm;
1725
1726         result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA,
1727                                         &rec, sizeof(rec));
1728         if (result) {
1729                 if (added)
1730                         hw->authlist.cnt--;
1731                 printk(KERN_ERR
1732                        "setconfig(authenticatestation) failed, result=%d\n",
1733                        result);
1734         }
1735         return;
1736 }
1737
1738 /*----------------------------------------------------------------
1739 * prism2sta_inf_psusercnt
1740 *
1741 * Handles the receipt of a PowerSaveUserCount info frame. Should
1742 * be present in APs only.
1743 *
1744 * Arguments:
1745 *       wlandev         wlan device structure
1746 *       inf             ptr to info frame (contents in hfa384x order)
1747 *
1748 * Returns:
1749 *       nothing
1750 *
1751 * Side effects:
1752 *
1753 * Call context:
1754 *       interrupt
1755 ----------------------------------------------------------------*/
1756 static void prism2sta_inf_psusercnt(wlandevice_t *wlandev,
1757                                     hfa384x_InfFrame_t *inf)
1758 {
1759         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1760
1761         hw->psusercount = le16_to_cpu(inf->info.psusercnt.usercnt);
1762
1763         return;
1764 }
1765
1766 /*----------------------------------------------------------------
1767 * prism2sta_ev_info
1768 *
1769 * Handles the Info event.
1770 *
1771 * Arguments:
1772 *       wlandev         wlan device structure
1773 *       inf             ptr to a generic info frame
1774 *
1775 * Returns:
1776 *       nothing
1777 *
1778 * Side effects:
1779 *
1780 * Call context:
1781 *       interrupt
1782 ----------------------------------------------------------------*/
1783 void prism2sta_ev_info(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf)
1784 {
1785         inf->infotype = le16_to_cpu(inf->infotype);
1786         /* Dispatch */
1787         switch (inf->infotype) {
1788         case HFA384x_IT_HANDOVERADDR:
1789                 prism2sta_inf_handover(wlandev, inf);
1790                 break;
1791         case HFA384x_IT_COMMTALLIES:
1792                 prism2sta_inf_tallies(wlandev, inf);
1793                 break;
1794         case HFA384x_IT_HOSTSCANRESULTS:
1795                 prism2sta_inf_hostscanresults(wlandev, inf);
1796                 break;
1797         case HFA384x_IT_SCANRESULTS:
1798                 prism2sta_inf_scanresults(wlandev, inf);
1799                 break;
1800         case HFA384x_IT_CHINFORESULTS:
1801                 prism2sta_inf_chinforesults(wlandev, inf);
1802                 break;
1803         case HFA384x_IT_LINKSTATUS:
1804                 prism2sta_inf_linkstatus(wlandev, inf);
1805                 break;
1806         case HFA384x_IT_ASSOCSTATUS:
1807                 prism2sta_inf_assocstatus(wlandev, inf);
1808                 break;
1809         case HFA384x_IT_AUTHREQ:
1810                 prism2sta_inf_authreq(wlandev, inf);
1811                 break;
1812         case HFA384x_IT_PSUSERCNT:
1813                 prism2sta_inf_psusercnt(wlandev, inf);
1814                 break;
1815         case HFA384x_IT_KEYIDCHANGED:
1816                 printk(KERN_WARNING "Unhandled IT_KEYIDCHANGED\n");
1817                 break;
1818         case HFA384x_IT_ASSOCREQ:
1819                 printk(KERN_WARNING "Unhandled IT_ASSOCREQ\n");
1820                 break;
1821         case HFA384x_IT_MICFAILURE:
1822                 printk(KERN_WARNING "Unhandled IT_MICFAILURE\n");
1823                 break;
1824         default:
1825                 printk(KERN_WARNING
1826                        "Unknown info type=0x%02x\n", inf->infotype);
1827                 break;
1828         }
1829         return;
1830 }
1831
1832 /*----------------------------------------------------------------
1833 * prism2sta_ev_txexc
1834 *
1835 * Handles the TxExc event.  A Transmit Exception event indicates
1836 * that the MAC's TX process was unsuccessful - so the packet did
1837 * not get transmitted.
1838 *
1839 * Arguments:
1840 *       wlandev         wlan device structure
1841 *       status          tx frame status word
1842 *
1843 * Returns:
1844 *       nothing
1845 *
1846 * Side effects:
1847 *
1848 * Call context:
1849 *       interrupt
1850 ----------------------------------------------------------------*/
1851 void prism2sta_ev_txexc(wlandevice_t *wlandev, u16 status)
1852 {
1853         pr_debug("TxExc status=0x%x.\n", status);
1854
1855         return;
1856 }
1857
1858 /*----------------------------------------------------------------
1859 * prism2sta_ev_tx
1860 *
1861 * Handles the Tx event.
1862 *
1863 * Arguments:
1864 *       wlandev         wlan device structure
1865 *       status          tx frame status word
1866 * Returns:
1867 *       nothing
1868 *
1869 * Side effects:
1870 *
1871 * Call context:
1872 *       interrupt
1873 ----------------------------------------------------------------*/
1874 void prism2sta_ev_tx(wlandevice_t *wlandev, u16 status)
1875 {
1876         pr_debug("Tx Complete, status=0x%04x\n", status);
1877         /* update linux network stats */
1878         wlandev->linux_stats.tx_packets++;
1879         return;
1880 }
1881
1882 /*----------------------------------------------------------------
1883 * prism2sta_ev_rx
1884 *
1885 * Handles the Rx event.
1886 *
1887 * Arguments:
1888 *       wlandev         wlan device structure
1889 *
1890 * Returns:
1891 *       nothing
1892 *
1893 * Side effects:
1894 *
1895 * Call context:
1896 *       interrupt
1897 ----------------------------------------------------------------*/
1898 void prism2sta_ev_rx(wlandevice_t *wlandev, struct sk_buff *skb)
1899 {
1900         p80211netdev_rx(wlandev, skb);
1901         return;
1902 }
1903
1904 /*----------------------------------------------------------------
1905 * prism2sta_ev_alloc
1906 *
1907 * Handles the Alloc event.
1908 *
1909 * Arguments:
1910 *       wlandev         wlan device structure
1911 *
1912 * Returns:
1913 *       nothing
1914 *
1915 * Side effects:
1916 *
1917 * Call context:
1918 *       interrupt
1919 ----------------------------------------------------------------*/
1920 void prism2sta_ev_alloc(wlandevice_t *wlandev)
1921 {
1922         netif_wake_queue(wlandev->netdev);
1923         return;
1924 }
1925
1926 /*----------------------------------------------------------------
1927 * create_wlan
1928 *
1929 * Called at module init time.  This creates the wlandevice_t structure
1930 * and initializes it with relevant bits.
1931 *
1932 * Arguments:
1933 *       none
1934 *
1935 * Returns:
1936 *       the created wlandevice_t structure.
1937 *
1938 * Side effects:
1939 *       also allocates the priv/hw structures.
1940 *
1941 * Call context:
1942 *       process thread
1943 *
1944 ----------------------------------------------------------------*/
1945 static wlandevice_t *create_wlan(void)
1946 {
1947         wlandevice_t *wlandev = NULL;
1948         hfa384x_t *hw = NULL;
1949
1950         /* Alloc our structures */
1951         wlandev = kmalloc(sizeof(wlandevice_t), GFP_KERNEL);
1952         hw = kmalloc(sizeof(hfa384x_t), GFP_KERNEL);
1953
1954         if (!wlandev || !hw) {
1955                 printk(KERN_ERR "%s: Memory allocation failure.\n", dev_info);
1956                 kfree(wlandev);
1957                 kfree(hw);
1958                 return NULL;
1959         }
1960
1961         /* Clear all the structs */
1962         memset(wlandev, 0, sizeof(wlandevice_t));
1963         memset(hw, 0, sizeof(hfa384x_t));
1964
1965         /* Initialize the network device object. */
1966         wlandev->nsdname = dev_info;
1967         wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
1968         wlandev->priv = hw;
1969         wlandev->open = prism2sta_open;
1970         wlandev->close = prism2sta_close;
1971         wlandev->reset = prism2sta_reset;
1972         wlandev->txframe = prism2sta_txframe;
1973         wlandev->mlmerequest = prism2sta_mlmerequest;
1974         wlandev->set_multicast_list = prism2sta_setmulticast;
1975         wlandev->tx_timeout = hfa384x_tx_timeout;
1976
1977         wlandev->nsdcaps = P80211_NSDCAP_HWFRAGMENT | P80211_NSDCAP_AUTOJOIN;
1978
1979         /* Initialize the device private data stucture. */
1980         hw->dot11_desired_bss_type = 1;
1981
1982         return wlandev;
1983 }
1984
1985 void prism2sta_commsqual_defer(struct work_struct *data)
1986 {
1987         hfa384x_t *hw = container_of(data, struct hfa384x, commsqual_bh);
1988         wlandevice_t *wlandev = hw->wlandev;
1989         hfa384x_bytestr32_t ssid;
1990         p80211msg_dot11req_mibget_t msg;
1991         p80211item_uint32_t *mibitem = (p80211item_uint32_t *) &msg.mibattribute.data;
1992         int result = 0;
1993
1994         if (hw->wlandev->hwremoved)
1995                 goto done;
1996
1997         /* we don't care if we're in AP mode */
1998         if ((wlandev->macmode == WLAN_MACMODE_NONE) ||
1999             (wlandev->macmode == WLAN_MACMODE_ESS_AP)) {
2000                 goto done;
2001         }
2002
2003         /* It only makes sense to poll these in non-IBSS */
2004         if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) {
2005                 result = hfa384x_drvr_getconfig(
2006                                 hw, HFA384x_RID_DBMCOMMSQUALITY,
2007                                 &hw->qual, HFA384x_RID_DBMCOMMSQUALITY_LEN);
2008
2009                 if (result) {
2010                         printk(KERN_ERR "error fetching commsqual\n");
2011                         goto done;
2012                 }
2013
2014                 pr_debug("commsqual %d %d %d\n",
2015                          le16_to_cpu(hw->qual.CQ_currBSS),
2016                          le16_to_cpu(hw->qual.ASL_currBSS),
2017                          le16_to_cpu(hw->qual.ANL_currFC));
2018         }
2019
2020         /* Get the signal rate */
2021         msg.msgcode = DIDmsg_dot11req_mibget;
2022         mibitem->did = DIDmib_p2_p2MAC_p2CurrentTxRate;
2023         result = p80211req_dorequest(wlandev, (u8 *) & msg);
2024
2025         if (result) {
2026                 pr_debug("get signal rate failed, result = %d\n",
2027                          result);
2028                 goto done;
2029         }
2030
2031         switch (mibitem->data) {
2032         case HFA384x_RATEBIT_1:
2033                 hw->txrate = 10;
2034                 break;
2035         case HFA384x_RATEBIT_2:
2036                 hw->txrate = 20;
2037                 break;
2038         case HFA384x_RATEBIT_5dot5:
2039                 hw->txrate = 55;
2040                 break;
2041         case HFA384x_RATEBIT_11:
2042                 hw->txrate = 110;
2043                 break;
2044         default:
2045                 pr_debug("Bad ratebit (%d)\n", mibitem->data);
2046         }
2047
2048         /* Lastly, we need to make sure the BSSID didn't change on us */
2049         result = hfa384x_drvr_getconfig(hw,
2050                                         HFA384x_RID_CURRENTBSSID,
2051                                         wlandev->bssid, WLAN_BSSID_LEN);
2052         if (result) {
2053                 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2054                          HFA384x_RID_CURRENTBSSID, result);
2055                 goto done;
2056         }
2057
2058         result = hfa384x_drvr_getconfig(hw,
2059                                         HFA384x_RID_CURRENTSSID,
2060                                         &ssid, sizeof(ssid));
2061         if (result) {
2062                 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2063                          HFA384x_RID_CURRENTSSID, result);
2064                 goto done;
2065         }
2066         prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) &ssid,
2067                                 (p80211pstrd_t *) &wlandev->ssid);
2068
2069         /* Reschedule timer */
2070         mod_timer(&hw->commsqual_timer, jiffies + HZ);
2071
2072 done:
2073         ;
2074 }
2075
2076 void prism2sta_commsqual_timer(unsigned long data)
2077 {
2078         hfa384x_t *hw = (hfa384x_t *) data;
2079
2080         schedule_work(&hw->commsqual_bh);
2081 }