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 #define wlan_hexchar(x) (((x) < 0x0a) ? ('0' + (x)) : ('a' + ((x) - 0x0a)))
  87
  88 /* Create a string of printable chars from something that might not be */
  89 /* It's recommended that the str be 4*len + 1 bytes long */
  90 #define wlan_mkprintstr(buf, buflen, str, strlen) \
  91 { \
  92         int i = 0; \
  93         int j = 0; \
  94         memset(str, 0, (strlen)); \
  95         for (i = 0; i < (buflen); i++) { \
  96                 if (isprint((buf)[i])) { \
  97                         (str)[j] = (buf)[i]; \
  98                         j++; \
  99                 } else { \
 100                         (str)[j] = '\\'; \
 101                         (str)[j+1] = 'x'; \
 102                         (str)[j+2] = wlan_hexchar(((buf)[i] & 0xf0) >> 4); \
 103                         (str)[j+3] = wlan_hexchar(((buf)[i] & 0x0f)); \
 104                         j += 4; \
 105                 } \
 106         } \
 107 }
 108
 109 static char *dev_info = "prism2_usb";
 110 static wlandevice_t *create_wlan(void);
 111
 112 int prism2_reset_holdtime = 30; /* Reset hold time in ms */
 113 int prism2_reset_settletime = 100;      /* Reset settle time in ms */
 114
 115 static int prism2_doreset;      /* Do a reset at init? */
 116
 117 module_param(prism2_doreset, int, 0644);
 118 MODULE_PARM_DESC(prism2_doreset, "Issue a reset on initialization");
 119
 120 module_param(prism2_reset_holdtime, int, 0644);
 121 MODULE_PARM_DESC(prism2_reset_holdtime, "reset hold time in ms");
 122 module_param(prism2_reset_settletime, int, 0644);
 123 MODULE_PARM_DESC(prism2_reset_settletime, "reset settle time in ms");
 124
 125 MODULE_LICENSE("Dual MPL/GPL");
 126
 127 static int prism2sta_open(wlandevice_t *wlandev);
 128 static int prism2sta_close(wlandevice_t *wlandev);
 129 static void prism2sta_reset(wlandevice_t *wlandev);
 130 static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb,
 131                              p80211_hdr_t *p80211_hdr,
 132                              p80211_metawep_t *p80211_wep);
 133 static int prism2sta_mlmerequest(wlandevice_t *wlandev, p80211msg_t *msg);
 134 static int prism2sta_getcardinfo(wlandevice_t *wlandev);
 135 static int prism2sta_globalsetup(wlandevice_t *wlandev);
 136 static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev);
 137
 138 static void prism2sta_inf_handover(wlandevice_t *wlandev,
 139                                    hfa384x_InfFrame_t *inf);
 140 static void prism2sta_inf_tallies(wlandevice_t *wlandev,
 141                                   hfa384x_InfFrame_t *inf);
 142 static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev,
 143                                           hfa384x_InfFrame_t *inf);
 144 static void prism2sta_inf_scanresults(wlandevice_t *wlandev,
 145                                       hfa384x_InfFrame_t *inf);
 146 static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
 147                                         hfa384x_InfFrame_t *inf);
 148 static void prism2sta_inf_linkstatus(wlandevice_t *wlandev,
 149                                      hfa384x_InfFrame_t *inf);
 150 static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
 151                                       hfa384x_InfFrame_t *inf);
 152 static void prism2sta_inf_authreq(wlandevice_t *wlandev,
 153                                   hfa384x_InfFrame_t *inf);
 154 static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
 155                                         hfa384x_InfFrame_t *inf);
 156 static void prism2sta_inf_psusercnt(wlandevice_t *wlandev,
 157                                     hfa384x_InfFrame_t *inf);
 158
 159 /*----------------------------------------------------------------
 160 * prism2sta_open
 161 *
 162 * WLAN device open method.  Called from p80211netdev when kernel
 163 * device open (start) method is called in response to the
 164 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
 165 * from clear to set.
 166 *
 167 * Arguments:
 168 *       wlandev         wlan device structure
 169 *
 170 * Returns:
 171 *       0       success
 172 *       >0      f/w reported error
 173 *       <0      driver reported error
 174 *
 175 * Side effects:
 176 *
 177 * Call context:
 178 *       process thread
 179 ----------------------------------------------------------------*/
 180 static int prism2sta_open(wlandevice_t *wlandev)
 181 {
 182         /* We don't currently have to do anything else.
 183          * The setup of the MAC should be subsequently completed via
 184          * the mlme commands.
 185          * Higher layers know we're ready from dev->start==1 and
 186          * dev->tbusy==0.  Our rx path knows to pass up received/
 187          * frames because of dev->flags&IFF_UP is true.
 188          */
 189
 190         return 0;
 191 }
 192
 193 /*----------------------------------------------------------------
 194 * prism2sta_close
 195 *
 196 * WLAN device close method.  Called from p80211netdev when kernel
 197 * device close method is called in response to the
 198 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
 199 * from set to clear.
 200 *
 201 * Arguments:
 202 *       wlandev         wlan device structure
 203 *
 204 * Returns:
 205 *       0       success
 206 *       >0      f/w reported error
 207 *       <0      driver reported error
 208 *
 209 * Side effects:
 210 *
 211 * Call context:
 212 *       process thread
 213 ----------------------------------------------------------------*/
 214 static int prism2sta_close(wlandevice_t *wlandev)
 215 {
 216         /* We don't currently have to do anything else.
 217          * Higher layers know we're not ready from dev->start==0 and
 218          * dev->tbusy==1.  Our rx path knows to not pass up received
 219          * frames because of dev->flags&IFF_UP is false.
 220          */
 221
 222         return 0;
 223 }
 224
 225 /*----------------------------------------------------------------
 226 * prism2sta_reset
 227 *
 228 * Not currently implented.
 229 *
 230 * Arguments:
 231 *       wlandev         wlan device structure
 232 *       none
 233 *
 234 * Returns:
 235 *       nothing
 236 *
 237 * Side effects:
 238 *
 239 * Call context:
 240 *       process thread
 241 ----------------------------------------------------------------*/
 242 static void prism2sta_reset(wlandevice_t *wlandev)
 243 {
 244         return;
 245 }
 246
 247 /*----------------------------------------------------------------
 248 * prism2sta_txframe
 249 *
 250 * Takes a frame from p80211 and queues it for transmission.
 251 *
 252 * Arguments:
 253 *       wlandev         wlan device structure
 254 *       pb              packet buffer struct.  Contains an 802.11
 255 *                       data frame.
 256 *       p80211_hdr      points to the 802.11 header for the packet.
 257 * Returns:
 258 *       0               Success and more buffs available
 259 *       1               Success but no more buffs
 260 *       2               Allocation failure
 261 *       4               Buffer full or queue busy
 262 *
 263 * Side effects:
 264 *
 265 * Call context:
 266 *       process thread
 267 ----------------------------------------------------------------*/
 268 static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb,
 269                              p80211_hdr_t *p80211_hdr,
 270                              p80211_metawep_t *p80211_wep)
 271 {
 272         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 273         int result;
 274
 275         /* If necessary, set the 802.11 WEP bit */
 276         if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) ==
 277             HOSTWEP_PRIVACYINVOKED) {
 278                 p80211_hdr->a3.fc |= cpu_to_le16(WLAN_SET_FC_ISWEP(1));
 279         }
 280
 281         result = hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep);
 282
 283         return result;
 284 }
 285
 286 /*----------------------------------------------------------------
 287 * prism2sta_mlmerequest
 288 *
 289 * wlan command message handler.  All we do here is pass the message
 290 * over to the prism2sta_mgmt_handler.
 291 *
 292 * Arguments:
 293 *       wlandev         wlan device structure
 294 *       msg             wlan command message
 295 * Returns:
 296 *       0               success
 297 *       <0              successful acceptance of message, but we're
 298 *                       waiting for an async process to finish before
 299 *                       we're done with the msg.  When the asynch
 300 *                       process is done, we'll call the p80211
 301 *                       function p80211req_confirm() .
 302 *       >0              An error occurred while we were handling
 303 *                       the message.
 304 *
 305 * Side effects:
 306 *
 307 * Call context:
 308 *       process thread
 309 ----------------------------------------------------------------*/
 310 static int prism2sta_mlmerequest(wlandevice_t *wlandev, p80211msg_t *msg)
 311 {
 312         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 313
 314         int result = 0;
 315
 316         switch (msg->msgcode) {
 317         case DIDmsg_dot11req_mibget:
 318                 pr_debug("Received mibget request\n");
 319                 result = prism2mgmt_mibset_mibget(wlandev, msg);
 320                 break;
 321         case DIDmsg_dot11req_mibset:
 322                 pr_debug("Received mibset request\n");
 323                 result = prism2mgmt_mibset_mibget(wlandev, msg);
 324                 break;
 325         case DIDmsg_dot11req_scan:
 326                 pr_debug("Received scan request\n");
 327                 result = prism2mgmt_scan(wlandev, msg);
 328                 break;
 329         case DIDmsg_dot11req_scan_results:
 330                 pr_debug("Received scan_results request\n");
 331                 result = prism2mgmt_scan_results(wlandev, msg);
 332                 break;
 333         case DIDmsg_dot11req_start:
 334                 pr_debug("Received mlme start request\n");
 335                 result = prism2mgmt_start(wlandev, msg);
 336                 break;
 337                 /*
 338                  * Prism2 specific messages
 339                  */
 340         case DIDmsg_p2req_readpda:
 341                 pr_debug("Received mlme readpda request\n");
 342                 result = prism2mgmt_readpda(wlandev, msg);
 343                 break;
 344         case DIDmsg_p2req_ramdl_state:
 345                 pr_debug("Received mlme ramdl_state request\n");
 346                 result = prism2mgmt_ramdl_state(wlandev, msg);
 347                 break;
 348         case DIDmsg_p2req_ramdl_write:
 349                 pr_debug("Received mlme ramdl_write request\n");
 350                 result = prism2mgmt_ramdl_write(wlandev, msg);
 351                 break;
 352         case DIDmsg_p2req_flashdl_state:
 353                 pr_debug("Received mlme flashdl_state request\n");
 354                 result = prism2mgmt_flashdl_state(wlandev, msg);
 355                 break;
 356         case DIDmsg_p2req_flashdl_write:
 357                 pr_debug("Received mlme flashdl_write request\n");
 358                 result = prism2mgmt_flashdl_write(wlandev, msg);
 359                 break;
 360                 /*
 361                  * Linux specific messages
 362                  */
 363         case DIDmsg_lnxreq_hostwep:
 364                 break;          /* ignore me. */
 365         case DIDmsg_lnxreq_ifstate:
 366                 {
 367                         p80211msg_lnxreq_ifstate_t *ifstatemsg;
 368                         pr_debug("Received mlme ifstate request\n");
 369                         ifstatemsg = (p80211msg_lnxreq_ifstate_t *) msg;
 370                         result =
 371                             prism2sta_ifstate(wlandev,
 372                                               ifstatemsg->ifstate.data);
 373                         ifstatemsg->resultcode.status =
 374                             P80211ENUM_msgitem_status_data_ok;
 375                         ifstatemsg->resultcode.data = result;
 376                         result = 0;
 377                 }
 378                 break;
 379         case DIDmsg_lnxreq_wlansniff:
 380                 pr_debug("Received mlme wlansniff request\n");
 381                 result = prism2mgmt_wlansniff(wlandev, msg);
 382                 break;
 383         case DIDmsg_lnxreq_autojoin:
 384                 pr_debug("Received mlme autojoin request\n");
 385                 result = prism2mgmt_autojoin(wlandev, msg);
 386                 break;
 387         case DIDmsg_lnxreq_commsquality:{
 388                         p80211msg_lnxreq_commsquality_t *qualmsg;
 389
 390                         pr_debug("Received commsquality request\n");
 391
 392                         qualmsg = (p80211msg_lnxreq_commsquality_t *) msg;
 393
 394                         qualmsg->link.status =
 395                             P80211ENUM_msgitem_status_data_ok;
 396                         qualmsg->level.status =
 397                             P80211ENUM_msgitem_status_data_ok;
 398                         qualmsg->noise.status =
 399                             P80211ENUM_msgitem_status_data_ok;
 400
 401                         qualmsg->link.data = le16_to_cpu(hw->qual.CQ_currBSS);
 402                         qualmsg->level.data = le16_to_cpu(hw->qual.ASL_currBSS);
 403                         qualmsg->noise.data = le16_to_cpu(hw->qual.ANL_currFC);
 404
 405                         break;
 406                 }
 407         default:
 408                 printk(KERN_WARNING "Unknown mgmt request message 0x%08x",
 409                        msg->msgcode);
 410                 break;
 411         }
 412
 413         return result;
 414 }
 415
 416 /*----------------------------------------------------------------
 417 * prism2sta_ifstate
 418 *
 419 * Interface state.  This is the primary WLAN interface enable/disable
 420 * handler.  Following the driver/load/deviceprobe sequence, this
 421 * function must be called with a state of "enable" before any other
 422 * commands will be accepted.
 423 *
 424 * Arguments:
 425 *       wlandev         wlan device structure
 426 *       msgp            ptr to msg buffer
 427 *
 428 * Returns:
 429 *       A p80211 message resultcode value.
 430 *
 431 * Side effects:
 432 *
 433 * Call context:
 434 *       process thread  (usually)
 435 *       interrupt
 436 ----------------------------------------------------------------*/
 437 u32 prism2sta_ifstate(wlandevice_t *wlandev, u32 ifstate)
 438 {
 439         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 440         u32 result;
 441
 442         result = P80211ENUM_resultcode_implementation_failure;
 443
 444         pr_debug("Current MSD state(%d), requesting(%d)\n",
 445                  wlandev->msdstate, ifstate);
 446         switch (ifstate) {
 447         case P80211ENUM_ifstate_fwload:
 448                 switch (wlandev->msdstate) {
 449                 case WLAN_MSD_HWPRESENT:
 450                         wlandev->msdstate = WLAN_MSD_FWLOAD_PENDING;
 451                         /*
 452                          * Initialize the device+driver sufficiently
 453                          * for firmware loading.
 454                          */
 455                         result = hfa384x_drvr_start(hw);
 456                         if (result) {
 457                                 printk(KERN_ERR
 458                                        "hfa384x_drvr_start() failed,"
 459                                        "result=%d\n", (int)result);
 460                                 result =
 461                                  P80211ENUM_resultcode_implementation_failure;
 462                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 463                                 break;
 464                         }
 465                         wlandev->msdstate = WLAN_MSD_FWLOAD;
 466                         result = P80211ENUM_resultcode_success;
 467                         break;
 468                 case WLAN_MSD_FWLOAD:
 469                         hfa384x_cmd_initialize(hw);
 470                         result = P80211ENUM_resultcode_success;
 471                         break;
 472                 case WLAN_MSD_RUNNING:
 473                         printk(KERN_WARNING
 474                                "Cannot enter fwload state from enable state,"
 475                                "you must disable first.\n");
 476                         result = P80211ENUM_resultcode_invalid_parameters;
 477                         break;
 478                 case WLAN_MSD_HWFAIL:
 479                 default:
 480                         /* probe() had a problem or the msdstate contains
 481                          * an unrecognized value, there's nothing we can do.
 482                          */
 483                         result = P80211ENUM_resultcode_implementation_failure;
 484                         break;
 485                 }
 486                 break;
 487         case P80211ENUM_ifstate_enable:
 488                 switch (wlandev->msdstate) {
 489                 case WLAN_MSD_HWPRESENT:
 490                 case WLAN_MSD_FWLOAD:
 491                         wlandev->msdstate = WLAN_MSD_RUNNING_PENDING;
 492                         /* Initialize the device+driver for full
 493                          * operation. Note that this might me an FWLOAD to
 494                          * to RUNNING transition so we must not do a chip
 495                          * or board level reset.  Note that on failure,
 496                          * the MSD state is set to HWPRESENT because we
 497                          * can't make any assumptions about the state
 498                          * of the hardware or a previous firmware load.
 499                          */
 500                         result = hfa384x_drvr_start(hw);
 501                         if (result) {
 502                                 printk(KERN_ERR
 503                                        "hfa384x_drvr_start() failed,"
 504                                        "result=%d\n", (int)result);
 505                                 result =
 506                                   P80211ENUM_resultcode_implementation_failure;
 507                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 508                                 break;
 509                         }
 510
 511                         result = prism2sta_getcardinfo(wlandev);
 512                         if (result) {
 513                                 printk(KERN_ERR
 514                                        "prism2sta_getcardinfo() failed,"
 515                                        "result=%d\n", (int)result);
 516                                 result =
 517                                   P80211ENUM_resultcode_implementation_failure;
 518                                 hfa384x_drvr_stop(hw);
 519                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 520                                 break;
 521                         }
 522                         result = prism2sta_globalsetup(wlandev);
 523                         if (result) {
 524                                 printk(KERN_ERR
 525                                        "prism2sta_globalsetup() failed,"
 526                                        "result=%d\n", (int)result);
 527                                 result =
 528                                   P80211ENUM_resultcode_implementation_failure;
 529                                 hfa384x_drvr_stop(hw);
 530                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 531                                 break;
 532                         }
 533                         wlandev->msdstate = WLAN_MSD_RUNNING;
 534                         hw->join_ap = 0;
 535                         hw->join_retries = 60;
 536                         result = P80211ENUM_resultcode_success;
 537                         break;
 538                 case WLAN_MSD_RUNNING:
 539                         /* Do nothing, we're already in this state. */
 540                         result = P80211ENUM_resultcode_success;
 541                         break;
 542                 case WLAN_MSD_HWFAIL:
 543                 default:
 544                         /* probe() had a problem or the msdstate contains
 545                          * an unrecognized value, there's nothing we can do.
 546                          */
 547                         result = P80211ENUM_resultcode_implementation_failure;
 548                         break;
 549                 }
 550                 break;
 551         case P80211ENUM_ifstate_disable:
 552                 switch (wlandev->msdstate) {
 553                 case WLAN_MSD_HWPRESENT:
 554                         /* Do nothing, we're already in this state. */
 555                         result = P80211ENUM_resultcode_success;
 556                         break;
 557                 case WLAN_MSD_FWLOAD:
 558                 case WLAN_MSD_RUNNING:
 559                         wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
 560                         /*
 561                          * TODO: Shut down the MAC completely. Here a chip
 562                          * or board level reset is probably called for.
 563                          * After a "disable" _all_ results are lost, even
 564                          * those from a fwload.
 565                          */
 566                         if (!wlandev->hwremoved)
 567                                 netif_carrier_off(wlandev->netdev);
 568
 569                         hfa384x_drvr_stop(hw);
 570
 571                         wlandev->macmode = WLAN_MACMODE_NONE;
 572                         wlandev->msdstate = WLAN_MSD_HWPRESENT;
 573                         result = P80211ENUM_resultcode_success;
 574                         break;
 575                 case WLAN_MSD_HWFAIL:
 576                 default:
 577                         /* probe() had a problem or the msdstate contains
 578                          * an unrecognized value, there's nothing we can do.
 579                          */
 580                         result = P80211ENUM_resultcode_implementation_failure;
 581                         break;
 582                 }
 583                 break;
 584         default:
 585                 result = P80211ENUM_resultcode_invalid_parameters;
 586                 break;
 587         }
 588
 589         return result;
 590 }
 591
 592 /*----------------------------------------------------------------
 593 * prism2sta_getcardinfo
 594 *
 595 * Collect the NICID, firmware version and any other identifiers
 596 * we'd like to have in host-side data structures.
 597 *
 598 * Arguments:
 599 *       wlandev         wlan device structure
 600 *
 601 * Returns:
 602 *       0       success
 603 *       >0      f/w reported error
 604 *       <0      driver reported error
 605 *
 606 * Side effects:
 607 *
 608 * Call context:
 609 *       Either.
 610 ----------------------------------------------------------------*/
 611 static int prism2sta_getcardinfo(wlandevice_t *wlandev)
 612 {
 613         int result = 0;
 614         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 615         u16 temp;
 616         u8 snum[HFA384x_RID_NICSERIALNUMBER_LEN];
 617         char pstr[(HFA384x_RID_NICSERIALNUMBER_LEN * 4) + 1];
 618
 619         /* Collect version and compatibility info */
 620         /*  Some are critical, some are not */
 621         /* NIC identity */
 622         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICIDENTITY,
 623                                         &hw->ident_nic,
 624                                         sizeof(hfa384x_compident_t));
 625         if (result) {
 626                 printk(KERN_ERR "Failed to retrieve NICIDENTITY\n");
 627                 goto failed;
 628         }
 629
 630         /* get all the nic id fields in host byte order */
 631         hw->ident_nic.id = le16_to_cpu(hw->ident_nic.id);
 632         hw->ident_nic.variant = le16_to_cpu(hw->ident_nic.variant);
 633         hw->ident_nic.major = le16_to_cpu(hw->ident_nic.major);
 634         hw->ident_nic.minor = le16_to_cpu(hw->ident_nic.minor);
 635
 636         printk(KERN_INFO "ident: nic h/w: id=0x%02x %d.%d.%d\n",
 637                hw->ident_nic.id, hw->ident_nic.major,
 638                hw->ident_nic.minor, hw->ident_nic.variant);
 639
 640         /* Primary f/w identity */
 641         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY,
 642                                         &hw->ident_pri_fw,
 643                                         sizeof(hfa384x_compident_t));
 644         if (result) {
 645                 printk(KERN_ERR "Failed to retrieve PRIIDENTITY\n");
 646                 goto failed;
 647         }
 648
 649         /* get all the private fw id fields in host byte order */
 650         hw->ident_pri_fw.id = le16_to_cpu(hw->ident_pri_fw.id);
 651         hw->ident_pri_fw.variant = le16_to_cpu(hw->ident_pri_fw.variant);
 652         hw->ident_pri_fw.major = le16_to_cpu(hw->ident_pri_fw.major);
 653         hw->ident_pri_fw.minor = le16_to_cpu(hw->ident_pri_fw.minor);
 654
 655         printk(KERN_INFO "ident: pri f/w: id=0x%02x %d.%d.%d\n",
 656                hw->ident_pri_fw.id, hw->ident_pri_fw.major,
 657                hw->ident_pri_fw.minor, hw->ident_pri_fw.variant);
 658
 659         /* Station (Secondary?) f/w identity */
 660         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY,
 661                                         &hw->ident_sta_fw,
 662                                         sizeof(hfa384x_compident_t));
 663         if (result) {
 664                 printk(KERN_ERR "Failed to retrieve STAIDENTITY\n");
 665                 goto failed;
 666         }
 667
 668         if (hw->ident_nic.id < 0x8000) {
 669                 printk(KERN_ERR
 670                        "FATAL: Card is not an Intersil Prism2/2.5/3\n");
 671                 result = -1;
 672                 goto failed;
 673         }
 674
 675         /* get all the station fw id fields in host byte order */
 676         hw->ident_sta_fw.id = le16_to_cpu(hw->ident_sta_fw.id);
 677         hw->ident_sta_fw.variant = le16_to_cpu(hw->ident_sta_fw.variant);
 678         hw->ident_sta_fw.major = le16_to_cpu(hw->ident_sta_fw.major);
 679         hw->ident_sta_fw.minor = le16_to_cpu(hw->ident_sta_fw.minor);
 680
 681         /* strip out the 'special' variant bits */
 682         hw->mm_mods = hw->ident_sta_fw.variant & (BIT(14) | BIT(15));
 683         hw->ident_sta_fw.variant &= ~((u16) (BIT(14) | BIT(15)));
 684
 685         if (hw->ident_sta_fw.id == 0x1f) {
 686                 printk(KERN_INFO
 687                        "ident: sta f/w: id=0x%02x %d.%d.%d\n",
 688                        hw->ident_sta_fw.id, hw->ident_sta_fw.major,
 689                        hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
 690         } else {
 691                 printk(KERN_INFO
 692                        "ident:  ap f/w: id=0x%02x %d.%d.%d\n",
 693                        hw->ident_sta_fw.id, hw->ident_sta_fw.major,
 694                        hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
 695                 printk(KERN_ERR "Unsupported Tertiary AP firmeare loaded!\n");
 696                 goto failed;
 697         }
 698
 699         /* Compatibility range, Modem supplier */
 700         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE,
 701                                         &hw->cap_sup_mfi,
 702                                         sizeof(hfa384x_caplevel_t));
 703         if (result) {
 704                 printk(KERN_ERR "Failed to retrieve MFISUPRANGE\n");
 705                 goto failed;
 706         }
 707
 708         /* get all the Compatibility range, modem interface supplier
 709            fields in byte order */
 710         hw->cap_sup_mfi.role = le16_to_cpu(hw->cap_sup_mfi.role);
 711         hw->cap_sup_mfi.id = le16_to_cpu(hw->cap_sup_mfi.id);
 712         hw->cap_sup_mfi.variant = le16_to_cpu(hw->cap_sup_mfi.variant);
 713         hw->cap_sup_mfi.bottom = le16_to_cpu(hw->cap_sup_mfi.bottom);
 714         hw->cap_sup_mfi.top = le16_to_cpu(hw->cap_sup_mfi.top);
 715
 716         printk(KERN_INFO
 717                "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 718                hw->cap_sup_mfi.role, hw->cap_sup_mfi.id,
 719                hw->cap_sup_mfi.variant, hw->cap_sup_mfi.bottom,
 720                hw->cap_sup_mfi.top);
 721
 722         /* Compatibility range, Controller supplier */
 723         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE,
 724                                         &hw->cap_sup_cfi,
 725                                         sizeof(hfa384x_caplevel_t));
 726         if (result) {
 727                 printk(KERN_ERR "Failed to retrieve CFISUPRANGE\n");
 728                 goto failed;
 729         }
 730
 731         /* get all the Compatibility range, controller interface supplier
 732            fields in byte order */
 733         hw->cap_sup_cfi.role = le16_to_cpu(hw->cap_sup_cfi.role);
 734         hw->cap_sup_cfi.id = le16_to_cpu(hw->cap_sup_cfi.id);
 735         hw->cap_sup_cfi.variant = le16_to_cpu(hw->cap_sup_cfi.variant);
 736         hw->cap_sup_cfi.bottom = le16_to_cpu(hw->cap_sup_cfi.bottom);
 737         hw->cap_sup_cfi.top = le16_to_cpu(hw->cap_sup_cfi.top);
 738
 739         printk(KERN_INFO
 740                "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 741                hw->cap_sup_cfi.role, hw->cap_sup_cfi.id,
 742                hw->cap_sup_cfi.variant, hw->cap_sup_cfi.bottom,
 743                hw->cap_sup_cfi.top);
 744
 745         /* Compatibility range, Primary f/w supplier */
 746         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE,
 747                                         &hw->cap_sup_pri,
 748                                         sizeof(hfa384x_caplevel_t));
 749         if (result) {
 750                 printk(KERN_ERR "Failed to retrieve PRISUPRANGE\n");
 751                 goto failed;
 752         }
 753
 754         /* get all the Compatibility range, primary firmware supplier
 755            fields in byte order */
 756         hw->cap_sup_pri.role = le16_to_cpu(hw->cap_sup_pri.role);
 757         hw->cap_sup_pri.id = le16_to_cpu(hw->cap_sup_pri.id);
 758         hw->cap_sup_pri.variant = le16_to_cpu(hw->cap_sup_pri.variant);
 759         hw->cap_sup_pri.bottom = le16_to_cpu(hw->cap_sup_pri.bottom);
 760         hw->cap_sup_pri.top = le16_to_cpu(hw->cap_sup_pri.top);
 761
 762         printk(KERN_INFO
 763                "PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 764                hw->cap_sup_pri.role, hw->cap_sup_pri.id,
 765                hw->cap_sup_pri.variant, hw->cap_sup_pri.bottom,
 766                hw->cap_sup_pri.top);
 767
 768         /* Compatibility range, Station f/w supplier */
 769         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE,
 770                                         &hw->cap_sup_sta,
 771                                         sizeof(hfa384x_caplevel_t));
 772         if (result) {
 773                 printk(KERN_ERR "Failed to retrieve STASUPRANGE\n");
 774                 goto failed;
 775         }
 776
 777         /* get all the Compatibility range, station firmware supplier
 778            fields in byte order */
 779         hw->cap_sup_sta.role = le16_to_cpu(hw->cap_sup_sta.role);
 780         hw->cap_sup_sta.id = le16_to_cpu(hw->cap_sup_sta.id);
 781         hw->cap_sup_sta.variant = le16_to_cpu(hw->cap_sup_sta.variant);
 782         hw->cap_sup_sta.bottom = le16_to_cpu(hw->cap_sup_sta.bottom);
 783         hw->cap_sup_sta.top = le16_to_cpu(hw->cap_sup_sta.top);
 784
 785         if (hw->cap_sup_sta.id == 0x04) {
 786                 printk(KERN_INFO
 787                        "STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 788                        hw->cap_sup_sta.role, hw->cap_sup_sta.id,
 789                        hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
 790                        hw->cap_sup_sta.top);
 791         } else {
 792                 printk(KERN_INFO
 793                        "AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 794                        hw->cap_sup_sta.role, hw->cap_sup_sta.id,
 795                        hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
 796                        hw->cap_sup_sta.top);
 797         }
 798
 799         /* Compatibility range, primary f/w actor, CFI supplier */
 800         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES,
 801                                         &hw->cap_act_pri_cfi,
 802                                         sizeof(hfa384x_caplevel_t));
 803         if (result) {
 804                 printk(KERN_ERR "Failed to retrieve PRI_CFIACTRANGES\n");
 805                 goto failed;
 806         }
 807
 808         /* get all the Compatibility range, primary f/w actor, CFI supplier
 809            fields in byte order */
 810         hw->cap_act_pri_cfi.role = le16_to_cpu(hw->cap_act_pri_cfi.role);
 811         hw->cap_act_pri_cfi.id = le16_to_cpu(hw->cap_act_pri_cfi.id);
 812         hw->cap_act_pri_cfi.variant = le16_to_cpu(hw->cap_act_pri_cfi.variant);
 813         hw->cap_act_pri_cfi.bottom = le16_to_cpu(hw->cap_act_pri_cfi.bottom);
 814         hw->cap_act_pri_cfi.top = le16_to_cpu(hw->cap_act_pri_cfi.top);
 815
 816         printk(KERN_INFO
 817                "PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 818                hw->cap_act_pri_cfi.role, hw->cap_act_pri_cfi.id,
 819                hw->cap_act_pri_cfi.variant, hw->cap_act_pri_cfi.bottom,
 820                hw->cap_act_pri_cfi.top);
 821
 822         /* Compatibility range, sta f/w actor, CFI supplier */
 823         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES,
 824                                         &hw->cap_act_sta_cfi,
 825                                         sizeof(hfa384x_caplevel_t));
 826         if (result) {
 827                 printk(KERN_ERR "Failed to retrieve STA_CFIACTRANGES\n");
 828                 goto failed;
 829         }
 830
 831         /* get all the Compatibility range, station f/w actor, CFI supplier
 832            fields in byte order */
 833         hw->cap_act_sta_cfi.role = le16_to_cpu(hw->cap_act_sta_cfi.role);
 834         hw->cap_act_sta_cfi.id = le16_to_cpu(hw->cap_act_sta_cfi.id);
 835         hw->cap_act_sta_cfi.variant = le16_to_cpu(hw->cap_act_sta_cfi.variant);
 836         hw->cap_act_sta_cfi.bottom = le16_to_cpu(hw->cap_act_sta_cfi.bottom);
 837         hw->cap_act_sta_cfi.top = le16_to_cpu(hw->cap_act_sta_cfi.top);
 838
 839         printk(KERN_INFO
 840                "STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 841                hw->cap_act_sta_cfi.role, hw->cap_act_sta_cfi.id,
 842                hw->cap_act_sta_cfi.variant, hw->cap_act_sta_cfi.bottom,
 843                hw->cap_act_sta_cfi.top);
 844
 845         /* Compatibility range, sta f/w actor, MFI supplier */
 846         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES,
 847                                         &hw->cap_act_sta_mfi,
 848                                         sizeof(hfa384x_caplevel_t));
 849         if (result) {
 850                 printk(KERN_ERR "Failed to retrieve STA_MFIACTRANGES\n");
 851                 goto failed;
 852         }
 853
 854         /* get all the Compatibility range, station f/w actor, MFI supplier
 855            fields in byte order */
 856         hw->cap_act_sta_mfi.role = le16_to_cpu(hw->cap_act_sta_mfi.role);
 857         hw->cap_act_sta_mfi.id = le16_to_cpu(hw->cap_act_sta_mfi.id);
 858         hw->cap_act_sta_mfi.variant = le16_to_cpu(hw->cap_act_sta_mfi.variant);
 859         hw->cap_act_sta_mfi.bottom = le16_to_cpu(hw->cap_act_sta_mfi.bottom);
 860         hw->cap_act_sta_mfi.top = le16_to_cpu(hw->cap_act_sta_mfi.top);
 861
 862         printk(KERN_INFO
 863                "STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 864                hw->cap_act_sta_mfi.role, hw->cap_act_sta_mfi.id,
 865                hw->cap_act_sta_mfi.variant, hw->cap_act_sta_mfi.bottom,
 866                hw->cap_act_sta_mfi.top);
 867
 868         /* Serial Number */
 869         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICSERIALNUMBER,
 870                                         snum, HFA384x_RID_NICSERIALNUMBER_LEN);
 871         if (!result) {
 872                 wlan_mkprintstr(snum, HFA384x_RID_NICSERIALNUMBER_LEN,
 873                                 pstr, sizeof(pstr));
 874                 printk(KERN_INFO "Prism2 card SN: %s\n", pstr);
 875         } else {
 876                 printk(KERN_ERR "Failed to retrieve Prism2 Card SN\n");
 877                 goto failed;
 878         }
 879
 880         /* Collect the MAC address */
 881         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR,
 882                                         wlandev->netdev->dev_addr, ETH_ALEN);
 883         if (result != 0) {
 884                 printk(KERN_ERR "Failed to retrieve mac address\n");
 885                 goto failed;
 886         }
 887
 888         /* short preamble is always implemented */
 889         wlandev->nsdcaps |= P80211_NSDCAP_SHORT_PREAMBLE;
 890
 891         /* find out if hardware wep is implemented */
 892         hfa384x_drvr_getconfig16(hw, HFA384x_RID_PRIVACYOPTIMP, &temp);
 893         if (temp)
 894                 wlandev->nsdcaps |= P80211_NSDCAP_HARDWAREWEP;
 895
 896         /* get the dBm Scaling constant */
 897         hfa384x_drvr_getconfig16(hw, HFA384x_RID_CNFDBMADJUST, &temp);
 898         hw->dbmadjust = temp;
 899
 900         /* Only enable scan by default on newer firmware */
 901         if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
 902                                      hw->ident_sta_fw.minor,
 903                                      hw->ident_sta_fw.variant) <
 904             HFA384x_FIRMWARE_VERSION(1, 5, 5)) {
 905                 wlandev->nsdcaps |= P80211_NSDCAP_NOSCAN;
 906         }
 907
 908         /* TODO: Set any internally managed config items */
 909
 910         goto done;
 911 failed:
 912         printk(KERN_ERR "Failed, result=%d\n", result);
 913 done:
 914         return result;
 915 }
 916
 917 /*----------------------------------------------------------------
 918 * prism2sta_globalsetup
 919 *
 920 * Set any global RIDs that we want to set at device activation.
 921 *
 922 * Arguments:
 923 *       wlandev         wlan device structure
 924 *
 925 * Returns:
 926 *       0       success
 927 *       >0      f/w reported error
 928 *       <0      driver reported error
 929 *
 930 * Side effects:
 931 *
 932 * Call context:
 933 *       process thread
 934 ----------------------------------------------------------------*/
 935 static int prism2sta_globalsetup(wlandevice_t *wlandev)
 936 {
 937         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 938
 939         /* Set the maximum frame size */
 940         return hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN,
 941                                         WLAN_DATA_MAXLEN);
 942 }
 943
 944 static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev)
 945 {
 946         int result = 0;
 947         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 948
 949         u16 promisc;
 950
 951         /* If we're not ready, what's the point? */
 952         if (hw->state != HFA384x_STATE_RUNNING)
 953                 goto exit;
 954
 955         if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0)
 956                 promisc = P80211ENUM_truth_true;
 957         else
 958                 promisc = P80211ENUM_truth_false;
 959
 960         result =
 961             hfa384x_drvr_setconfig16_async(hw, HFA384x_RID_PROMISCMODE,
 962                                            promisc);
 963 exit:
 964         return result;
 965 }
 966
 967 /*----------------------------------------------------------------
 968 * prism2sta_inf_handover
 969 *
 970 * Handles the receipt of a Handover info frame. Should only be present
 971 * in APs only.
 972 *
 973 * Arguments:
 974 *       wlandev         wlan device structure
 975 *       inf             ptr to info frame (contents in hfa384x order)
 976 *
 977 * Returns:
 978 *       nothing
 979 *
 980 * Side effects:
 981 *
 982 * Call context:
 983 *       interrupt
 984 ----------------------------------------------------------------*/
 985 static void prism2sta_inf_handover(wlandevice_t *wlandev,
 986                                    hfa384x_InfFrame_t *inf)
 987 {
 988         pr_debug("received infoframe:HANDOVER (unhandled)\n");
 989         return;
 990 }
 991
 992 /*----------------------------------------------------------------
 993 * prism2sta_inf_tallies
 994 *
 995 * Handles the receipt of a CommTallies info frame.
 996 *
 997 * Arguments:
 998 *       wlandev         wlan device structure
 999 *       inf             ptr to info frame (contents in hfa384x order)
1000 *
1001 * Returns:
1002 *       nothing
1003 *
1004 * Side effects:
1005 *
1006 * Call context:
1007 *       interrupt
1008 ----------------------------------------------------------------*/
1009 static void prism2sta_inf_tallies(wlandevice_t *wlandev,
1010                                   hfa384x_InfFrame_t *inf)
1011 {
1012         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1013         u16 *src16;
1014         u32 *dst;
1015         u32 *src32;
1016         int i;
1017         int cnt;
1018
1019         /*
1020          ** Determine if these are 16-bit or 32-bit tallies, based on the
1021          ** record length of the info record.
1022          */
1023
1024         cnt = sizeof(hfa384x_CommTallies32_t) / sizeof(u32);
1025         if (inf->framelen > 22) {
1026                 dst = (u32 *) &hw->tallies;
1027                 src32 = (u32 *) &inf->info.commtallies32;
1028                 for (i = 0; i < cnt; i++, dst++, src32++)
1029                         *dst += le32_to_cpu(*src32);
1030         } else {
1031                 dst = (u32 *) &hw->tallies;
1032                 src16 = (u16 *) &inf->info.commtallies16;
1033                 for (i = 0; i < cnt; i++, dst++, src16++)
1034                         *dst += le16_to_cpu(*src16);
1035         }
1036
1037         return;
1038 }
1039
1040 /*----------------------------------------------------------------
1041 * prism2sta_inf_scanresults
1042 *
1043 * Handles the receipt of a Scan Results info frame.
1044 *
1045 * Arguments:
1046 *       wlandev         wlan device structure
1047 *       inf             ptr to info frame (contents in hfa384x order)
1048 *
1049 * Returns:
1050 *       nothing
1051 *
1052 * Side effects:
1053 *
1054 * Call context:
1055 *       interrupt
1056 ----------------------------------------------------------------*/
1057 static void prism2sta_inf_scanresults(wlandevice_t *wlandev,
1058                                       hfa384x_InfFrame_t *inf)
1059 {
1060
1061         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1062         int nbss;
1063         hfa384x_ScanResult_t *sr = &(inf->info.scanresult);
1064         int i;
1065         hfa384x_JoinRequest_data_t joinreq;
1066         int result;
1067
1068         /* Get the number of results, first in bytes, then in results */
1069         nbss = (inf->framelen * sizeof(u16)) -
1070             sizeof(inf->infotype) - sizeof(inf->info.scanresult.scanreason);
1071         nbss /= sizeof(hfa384x_ScanResultSub_t);
1072
1073         /* Print em */
1074         pr_debug("rx scanresults, reason=%d, nbss=%d:\n",
1075                  inf->info.scanresult.scanreason, nbss);
1076         for (i = 0; i < nbss; i++) {
1077                 pr_debug("chid=%d anl=%d sl=%d bcnint=%d\n",
1078                          sr->result[i].chid,
1079                          sr->result[i].anl,
1080                          sr->result[i].sl, sr->result[i].bcnint);
1081                 pr_debug("  capinfo=0x%04x proberesp_rate=%d\n",
1082                          sr->result[i].capinfo, sr->result[i].proberesp_rate);
1083         }
1084         /* issue a join request */
1085         joinreq.channel = sr->result[0].chid;
1086         memcpy(joinreq.bssid, sr->result[0].bssid, WLAN_BSSID_LEN);
1087         result = hfa384x_drvr_setconfig(hw,
1088                                         HFA384x_RID_JOINREQUEST,
1089                                         &joinreq, HFA384x_RID_JOINREQUEST_LEN);
1090         if (result) {
1091                 printk(KERN_ERR "setconfig(joinreq) failed, result=%d\n",
1092                        result);
1093         }
1094
1095         return;
1096 }
1097
1098 /*----------------------------------------------------------------
1099 * prism2sta_inf_hostscanresults
1100 *
1101 * Handles the receipt of a Scan Results info frame.
1102 *
1103 * Arguments:
1104 *       wlandev         wlan device structure
1105 *       inf             ptr to info frame (contents in hfa384x order)
1106 *
1107 * Returns:
1108 *       nothing
1109 *
1110 * Side effects:
1111 *
1112 * Call context:
1113 *       interrupt
1114 ----------------------------------------------------------------*/
1115 static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev,
1116                                           hfa384x_InfFrame_t *inf)
1117 {
1118         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1119         int nbss;
1120
1121         nbss = (inf->framelen - 3) / 32;
1122         pr_debug("Received %d hostscan results\n", nbss);
1123
1124         if (nbss > 32)
1125                 nbss = 32;
1126
1127         kfree(hw->scanresults);
1128
1129         hw->scanresults = kmalloc(sizeof(hfa384x_InfFrame_t), GFP_ATOMIC);
1130         memcpy(hw->scanresults, inf, sizeof(hfa384x_InfFrame_t));
1131
1132         if (nbss == 0)
1133                 nbss = -1;
1134
1135         /* Notify/wake the sleeping caller. */
1136         hw->scanflag = nbss;
1137         wake_up_interruptible(&hw->cmdq);
1138 };
1139
1140 /*----------------------------------------------------------------
1141 * prism2sta_inf_chinforesults
1142 *
1143 * Handles the receipt of a Channel Info Results info frame.
1144 *
1145 * Arguments:
1146 *       wlandev         wlan device structure
1147 *       inf             ptr to info frame (contents in hfa384x order)
1148 *
1149 * Returns:
1150 *       nothing
1151 *
1152 * Side effects:
1153 *
1154 * Call context:
1155 *       interrupt
1156 ----------------------------------------------------------------*/
1157 static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
1158                                         hfa384x_InfFrame_t *inf)
1159 {
1160         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1161         unsigned int i, n;
1162
1163         hw->channel_info.results.scanchannels =
1164             le16_to_cpu(inf->info.chinforesult.scanchannels);
1165
1166         for (i = 0, n = 0; i < HFA384x_CHINFORESULT_MAX; i++) {
1167                 if (hw->channel_info.results.scanchannels & (1 << i)) {
1168                         int channel =
1169                             le16_to_cpu(inf->info.chinforesult.result[n].chid) -
1170                             1;
1171                         hfa384x_ChInfoResultSub_t *chinforesult =
1172                             &hw->channel_info.results.result[channel];
1173                         chinforesult->chid = channel;
1174                         chinforesult->anl =
1175                             le16_to_cpu(inf->info.chinforesult.result[n].anl);
1176                         chinforesult->pnl =
1177                             le16_to_cpu(inf->info.chinforesult.result[n].pnl);
1178                         chinforesult->active =
1179                             le16_to_cpu(inf->info.chinforesult.result[n].
1180                                         active);
1181         pr_debug
1182                 ("chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
1183                              channel + 1,
1184                              chinforesult->
1185                              active & HFA384x_CHINFORESULT_BSSACTIVE ? "signal"
1186                              : "noise", chinforesult->anl, chinforesult->pnl,
1187                              chinforesult->
1188                              active & HFA384x_CHINFORESULT_PCFACTIVE ? 1 : 0);
1189                         n++;
1190                 }
1191         }
1192         atomic_set(&hw->channel_info.done, 2);
1193
1194         hw->channel_info.count = n;
1195         return;
1196 }
1197
1198 void prism2sta_processing_defer(struct work_struct *data)
1199 {
1200         hfa384x_t *hw = container_of(data, struct hfa384x, link_bh);
1201         wlandevice_t *wlandev = hw->wlandev;
1202         hfa384x_bytestr32_t ssid;
1203         int result;
1204
1205         /* First let's process the auth frames */
1206         {
1207                 struct sk_buff *skb;
1208                 hfa384x_InfFrame_t *inf;
1209
1210                 while ((skb = skb_dequeue(&hw->authq))) {
1211                         inf = (hfa384x_InfFrame_t *) skb->data;
1212                         prism2sta_inf_authreq_defer(wlandev, inf);
1213                 }
1214
1215         }
1216
1217         /* Now let's handle the linkstatus stuff */
1218         if (hw->link_status == hw->link_status_new)
1219                 goto failed;
1220
1221         hw->link_status = hw->link_status_new;
1222
1223         switch (hw->link_status) {
1224         case HFA384x_LINK_NOTCONNECTED:
1225                 /* I'm currently assuming that this is the initial link
1226                  * state.  It should only be possible immediately
1227                  * following an Enable command.
1228                  * Response:
1229                  * Block Transmits, Ignore receives of data frames
1230                  */
1231                 netif_carrier_off(wlandev->netdev);
1232
1233                 printk(KERN_INFO "linkstatus=NOTCONNECTED (unhandled)\n");
1234                 break;
1235
1236         case HFA384x_LINK_CONNECTED:
1237                 /* This one indicates a successful scan/join/auth/assoc.
1238                  * When we have the full MLME complement, this event will
1239                  * signify successful completion of both mlme_authenticate
1240                  * and mlme_associate.  State management will get a little
1241                  * ugly here.
1242                  * Response:
1243                  * Indicate authentication and/or association
1244                  * Enable Transmits, Receives and pass up data frames
1245                  */
1246
1247                 netif_carrier_on(wlandev->netdev);
1248
1249                 /* If we are joining a specific AP, set our
1250                  * state and reset retries
1251                  */
1252                 if (hw->join_ap == 1)
1253                         hw->join_ap = 2;
1254                 hw->join_retries = 60;
1255
1256                 /* Don't call this in monitor mode */
1257                 if (wlandev->netdev->type == ARPHRD_ETHER) {
1258                         u16 portstatus;
1259
1260                         printk(KERN_INFO "linkstatus=CONNECTED\n");
1261
1262                         /* For non-usb devices, we can use the sync versions */
1263                         /* Collect the BSSID, and set state to allow tx */
1264
1265                         result = hfa384x_drvr_getconfig(hw,
1266                                                 HFA384x_RID_CURRENTBSSID,
1267                                                 wlandev->bssid,
1268                                                 WLAN_BSSID_LEN);
1269                         if (result) {
1270                                 pr_debug
1271                                     ("getconfig(0x%02x) failed, result = %d\n",
1272                                      HFA384x_RID_CURRENTBSSID, result);
1273                                 goto failed;
1274                         }
1275
1276                         result = hfa384x_drvr_getconfig(hw,
1277                                                         HFA384x_RID_CURRENTSSID,
1278                                                         &ssid, sizeof(ssid));
1279                         if (result) {
1280                                 pr_debug
1281                                     ("getconfig(0x%02x) failed, result = %d\n",
1282                                      HFA384x_RID_CURRENTSSID, result);
1283                                 goto failed;
1284                         }
1285                         prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) &ssid,
1286                                                 (p80211pstrd_t *) &
1287                                                 wlandev->ssid);
1288
1289                         /* Collect the port status */
1290                         result = hfa384x_drvr_getconfig16(hw,
1291                                                         HFA384x_RID_PORTSTATUS,
1292                                                         &portstatus);
1293                         if (result) {
1294                                 pr_debug
1295                                     ("getconfig(0x%02x) failed, result = %d\n",
1296                                      HFA384x_RID_PORTSTATUS, result);
1297                                 goto failed;
1298                         }
1299                         wlandev->macmode =
1300                             (portstatus == HFA384x_PSTATUS_CONN_IBSS) ?
1301                             WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA;
1302
1303                         /* Get the ball rolling on the comms quality stuff */
1304                         prism2sta_commsqual_defer(&hw->commsqual_bh);
1305                 }
1306                 break;
1307
1308         case HFA384x_LINK_DISCONNECTED:
1309                 /* This one indicates that our association is gone.  We've
1310                  * lost connection with the AP and/or been disassociated.
1311                  * This indicates that the MAC has completely cleared it's
1312                  * associated state.  We * should send a deauth indication
1313                  * (implying disassoc) up * to the MLME.
1314                  * Response:
1315                  * Indicate Deauthentication
1316                  * Block Transmits, Ignore receives of data frames
1317                  */
1318                 if (hw->join_ap == 2) {
1319                         hfa384x_JoinRequest_data_t joinreq;
1320                         joinreq = hw->joinreq;
1321                         /* Send the join request */
1322                         hfa384x_drvr_setconfig(hw,
1323                                                HFA384x_RID_JOINREQUEST,
1324                                                &joinreq,
1325                                                HFA384x_RID_JOINREQUEST_LEN);
1326                         printk(KERN_INFO
1327                             "linkstatus=DISCONNECTED (re-submitting join)\n");
1328                 } else {
1329                         if (wlandev->netdev->type == ARPHRD_ETHER)
1330                                 printk(KERN_INFO
1331                                        "linkstatus=DISCONNECTED (unhandled)\n");
1332                 }
1333                 wlandev->macmode = WLAN_MACMODE_NONE;
1334
1335                 netif_carrier_off(wlandev->netdev);
1336
1337                 break;
1338
1339         case HFA384x_LINK_AP_CHANGE:
1340                 /* This one indicates that the MAC has decided to and
1341                  * successfully completed a change to another AP.  We
1342                  * should probably implement a reassociation indication
1343                  * in response to this one.  I'm thinking that the the
1344                  * p80211 layer needs to be notified in case of
1345                  * buffering/queueing issues.  User mode also needs to be
1346                  * notified so that any BSS dependent elements can be
1347                  * updated.
1348                  * associated state.  We * should send a deauth indication
1349                  * (implying disassoc) up * to the MLME.
1350                  * Response:
1351                  * Indicate Reassociation
1352                  * Enable Transmits, Receives and pass up data frames
1353                  */
1354                 printk(KERN_INFO "linkstatus=AP_CHANGE\n");
1355
1356                 result = hfa384x_drvr_getconfig(hw,
1357                                                 HFA384x_RID_CURRENTBSSID,
1358                                                 wlandev->bssid, WLAN_BSSID_LEN);
1359                 if (result) {
1360                         pr_debug("getconfig(0x%02x) failed, result = %d\n",
1361                                  HFA384x_RID_CURRENTBSSID, result);
1362                         goto failed;
1363                 }
1364
1365                 result = hfa384x_drvr_getconfig(hw,
1366                                                 HFA384x_RID_CURRENTSSID,
1367                                                 &ssid, sizeof(ssid));
1368                 if (result) {
1369                         pr_debug("getconfig(0x%02x) failed, result = %d\n",
1370                                  HFA384x_RID_CURRENTSSID, result);
1371                         goto failed;
1372                 }
1373                 prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) &ssid,
1374                                         (p80211pstrd_t *) &wlandev->ssid);
1375
1376                 hw->link_status = HFA384x_LINK_CONNECTED;
1377                 netif_carrier_on(wlandev->netdev);
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                 break;
1439
1440         default:
1441                 /* This is bad, IO port problems? */
1442                 printk(KERN_WARNING
1443                        "unknown linkstatus=0x%02x\n", hw->link_status);
1444                 goto failed;
1445                 break;
1446         }
1447
1448         wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED);
1449         p80211wext_event_associated(wlandev, wlandev->linkstatus);
1450
1451 failed:
1452         return;
1453 }
1454
1455 /*----------------------------------------------------------------
1456 * prism2sta_inf_linkstatus
1457 *
1458 * Handles the receipt of a Link Status info frame.
1459 *
1460 * Arguments:
1461 *       wlandev         wlan device structure
1462 *       inf             ptr to info frame (contents in hfa384x order)
1463 *
1464 * Returns:
1465 *       nothing
1466 *
1467 * Side effects:
1468 *
1469 * Call context:
1470 *       interrupt
1471 ----------------------------------------------------------------*/
1472 static void prism2sta_inf_linkstatus(wlandevice_t *wlandev,
1473                                      hfa384x_InfFrame_t *inf)
1474 {
1475         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1476
1477         hw->link_status_new = le16_to_cpu(inf->info.linkstatus.linkstatus);
1478
1479         schedule_work(&hw->link_bh);
1480
1481         return;
1482 }
1483
1484 /*----------------------------------------------------------------
1485 * prism2sta_inf_assocstatus
1486 *
1487 * Handles the receipt of an Association Status info frame. Should
1488 * be present in APs only.
1489 *
1490 * Arguments:
1491 *       wlandev         wlan device structure
1492 *       inf             ptr to info frame (contents in hfa384x order)
1493 *
1494 * Returns:
1495 *       nothing
1496 *
1497 * Side effects:
1498 *
1499 * Call context:
1500 *       interrupt
1501 ----------------------------------------------------------------*/
1502 static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
1503                                       hfa384x_InfFrame_t *inf)
1504 {
1505         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1506         hfa384x_AssocStatus_t rec;
1507         int i;
1508
1509         memcpy(&rec, &inf->info.assocstatus, sizeof(rec));
1510         rec.assocstatus = le16_to_cpu(rec.assocstatus);
1511         rec.reason = le16_to_cpu(rec.reason);
1512
1513         /*
1514          ** Find the address in the list of authenticated stations.
1515          ** If it wasn't found, then this address has not been previously
1516          ** authenticated and something weird has happened if this is
1517          ** anything other than an "authentication failed" message.
1518          ** If the address was found, then set the "associated" flag for
1519          ** that station, based on whether the station is associating or
1520          ** losing its association.  Something weird has also happened
1521          ** if we find the address in the list of authenticated stations
1522          ** but we are getting an "authentication failed" message.
1523          */
1524
1525         for (i = 0; i < hw->authlist.cnt; i++)
1526                 if (memcmp(rec.sta_addr, hw->authlist.addr[i], ETH_ALEN) == 0)
1527                         break;
1528
1529         if (i >= hw->authlist.cnt) {
1530                 if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL)
1531                         printk(KERN_WARNING
1532         "assocstatus info frame received for non-authenticated station.\n");
1533         } else {
1534                 hw->authlist.assoc[i] =
1535                     (rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC ||
1536                      rec.assocstatus == HFA384x_ASSOCSTATUS_REASSOC);
1537
1538                 if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL)
1539                         printk(KERN_WARNING
1540 "authfail assocstatus info frame received for authenticated station.\n");
1541         }
1542
1543         return;
1544 }
1545
1546 /*----------------------------------------------------------------
1547 * prism2sta_inf_authreq
1548 *
1549 * Handles the receipt of an Authentication Request info frame. Should
1550 * be present in APs only.
1551 *
1552 * Arguments:
1553 *       wlandev         wlan device structure
1554 *       inf             ptr to info frame (contents in hfa384x order)
1555 *
1556 * Returns:
1557 *       nothing
1558 *
1559 * Side effects:
1560 *
1561 * Call context:
1562 *       interrupt
1563 *
1564 ----------------------------------------------------------------*/
1565 static void prism2sta_inf_authreq(wlandevice_t *wlandev,
1566                                   hfa384x_InfFrame_t *inf)
1567 {
1568         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1569         struct sk_buff *skb;
1570
1571         skb = dev_alloc_skb(sizeof(*inf));
1572         if (skb) {
1573                 skb_put(skb, sizeof(*inf));
1574                 memcpy(skb->data, inf, sizeof(*inf));
1575                 skb_queue_tail(&hw->authq, skb);
1576                 schedule_work(&hw->link_bh);
1577         }
1578 }
1579
1580 static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
1581                                         hfa384x_InfFrame_t *inf)
1582 {
1583         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1584         hfa384x_authenticateStation_data_t rec;
1585
1586         int i, added, result, cnt;
1587         u8 *addr;
1588
1589         /*
1590          ** Build the AuthenticateStation record.  Initialize it for denying
1591          ** authentication.
1592          */
1593
1594         memcpy(rec.address, inf->info.authreq.sta_addr, ETH_ALEN);
1595         rec.status = P80211ENUM_status_unspec_failure;
1596
1597         /*
1598          ** Authenticate based on the access mode.
1599          */
1600
1601         switch (hw->accessmode) {
1602         case WLAN_ACCESS_NONE:
1603
1604                 /*
1605                  ** Deny all new authentications.  However, if a station
1606                  ** is ALREADY authenticated, then accept it.
1607                  */
1608
1609                 for (i = 0; i < hw->authlist.cnt; i++)
1610                         if (memcmp(rec.address, hw->authlist.addr[i],
1611                                    ETH_ALEN) == 0) {
1612                                 rec.status = P80211ENUM_status_successful;
1613                                 break;
1614                         }
1615
1616                 break;
1617
1618         case WLAN_ACCESS_ALL:
1619
1620                 /*
1621                  ** Allow all authentications.
1622                  */
1623
1624                 rec.status = P80211ENUM_status_successful;
1625                 break;
1626
1627         case WLAN_ACCESS_ALLOW:
1628
1629                 /*
1630                  ** Only allow the authentication if the MAC address
1631                  ** is in the list of allowed addresses.
1632                  **
1633                  ** Since this is the interrupt handler, we may be here
1634                  ** while the access list is in the middle of being
1635                  ** updated.  Choose the list which is currently okay.
1636                  ** See "prism2mib_priv_accessallow()" for details.
1637                  */
1638
1639                 if (hw->allow.modify == 0) {
1640                         cnt = hw->allow.cnt;
1641                         addr = hw->allow.addr[0];
1642                 } else {
1643                         cnt = hw->allow.cnt1;
1644                         addr = hw->allow.addr1[0];
1645                 }
1646
1647                 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1648                         if (memcmp(rec.address, addr, ETH_ALEN) == 0) {
1649                                 rec.status = P80211ENUM_status_successful;
1650                                 break;
1651                         }
1652
1653                 break;
1654
1655         case WLAN_ACCESS_DENY:
1656
1657                 /*
1658                  ** Allow the authentication UNLESS the MAC address is
1659                  ** in the list of denied addresses.
1660                  **
1661                  ** Since this is the interrupt handler, we may be here
1662                  ** while the access list is in the middle of being
1663                  ** updated.  Choose the list which is currently okay.
1664                  ** See "prism2mib_priv_accessdeny()" for details.
1665                  */
1666
1667                 if (hw->deny.modify == 0) {
1668                         cnt = hw->deny.cnt;
1669                         addr = hw->deny.addr[0];
1670                 } else {
1671                         cnt = hw->deny.cnt1;
1672                         addr = hw->deny.addr1[0];
1673                 }
1674
1675                 rec.status = P80211ENUM_status_successful;
1676
1677                 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1678                         if (memcmp(rec.address, addr, ETH_ALEN) == 0) {
1679                                 rec.status = P80211ENUM_status_unspec_failure;
1680                                 break;
1681                         }
1682
1683                 break;
1684         }
1685
1686         /*
1687          ** If the authentication is okay, then add the MAC address to the
1688          ** list of authenticated stations.  Don't add the address if it
1689          ** is already in the list. (802.11b does not seem to disallow
1690          ** a station from issuing an authentication request when the
1691          ** station is already authenticated. Does this sort of thing
1692          ** ever happen?  We might as well do the check just in case.)
1693          */
1694
1695         added = 0;
1696
1697         if (rec.status == P80211ENUM_status_successful) {
1698                 for (i = 0; i < hw->authlist.cnt; i++)
1699                         if (memcmp(rec.address, hw->authlist.addr[i], ETH_ALEN)
1700                             == 0)
1701                                 break;
1702
1703                 if (i >= hw->authlist.cnt) {
1704                         if (hw->authlist.cnt >= WLAN_AUTH_MAX) {
1705                                 rec.status = P80211ENUM_status_ap_full;
1706                         } else {
1707                                 memcpy(hw->authlist.addr[hw->authlist.cnt],
1708                                        rec.address, ETH_ALEN);
1709                                 hw->authlist.cnt++;
1710                                 added = 1;
1711                         }
1712                 }
1713         }
1714
1715         /*
1716          ** Send back the results of the authentication.  If this doesn't work,
1717          ** then make sure to remove the address from the authenticated list if
1718          ** it was added.
1719          */
1720
1721         rec.status = cpu_to_le16(rec.status);
1722         rec.algorithm = inf->info.authreq.algorithm;
1723
1724         result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA,
1725                                         &rec, sizeof(rec));
1726         if (result) {
1727                 if (added)
1728                         hw->authlist.cnt--;
1729                 printk(KERN_ERR
1730                        "setconfig(authenticatestation) failed, result=%d\n",
1731                        result);
1732         }
1733         return;
1734 }
1735
1736 /*----------------------------------------------------------------
1737 * prism2sta_inf_psusercnt
1738 *
1739 * Handles the receipt of a PowerSaveUserCount info frame. Should
1740 * be present in APs only.
1741 *
1742 * Arguments:
1743 *       wlandev         wlan device structure
1744 *       inf             ptr to info frame (contents in hfa384x order)
1745 *
1746 * Returns:
1747 *       nothing
1748 *
1749 * Side effects:
1750 *
1751 * Call context:
1752 *       interrupt
1753 ----------------------------------------------------------------*/
1754 static void prism2sta_inf_psusercnt(wlandevice_t *wlandev,
1755                                     hfa384x_InfFrame_t *inf)
1756 {
1757         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1758
1759         hw->psusercount = le16_to_cpu(inf->info.psusercnt.usercnt);
1760
1761         return;
1762 }
1763
1764 /*----------------------------------------------------------------
1765 * prism2sta_ev_info
1766 *
1767 * Handles the Info event.
1768 *
1769 * Arguments:
1770 *       wlandev         wlan device structure
1771 *       inf             ptr to a generic info frame
1772 *
1773 * Returns:
1774 *       nothing
1775 *
1776 * Side effects:
1777 *
1778 * Call context:
1779 *       interrupt
1780 ----------------------------------------------------------------*/
1781 void prism2sta_ev_info(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf)
1782 {
1783         inf->infotype = le16_to_cpu(inf->infotype);
1784         /* Dispatch */
1785         switch (inf->infotype) {
1786         case HFA384x_IT_HANDOVERADDR:
1787                 prism2sta_inf_handover(wlandev, inf);
1788                 break;
1789         case HFA384x_IT_COMMTALLIES:
1790                 prism2sta_inf_tallies(wlandev, inf);
1791                 break;
1792         case HFA384x_IT_HOSTSCANRESULTS:
1793                 prism2sta_inf_hostscanresults(wlandev, inf);
1794                 break;
1795         case HFA384x_IT_SCANRESULTS:
1796                 prism2sta_inf_scanresults(wlandev, inf);
1797                 break;
1798         case HFA384x_IT_CHINFORESULTS:
1799                 prism2sta_inf_chinforesults(wlandev, inf);
1800                 break;
1801         case HFA384x_IT_LINKSTATUS:
1802                 prism2sta_inf_linkstatus(wlandev, inf);
1803                 break;
1804         case HFA384x_IT_ASSOCSTATUS:
1805                 prism2sta_inf_assocstatus(wlandev, inf);
1806                 break;
1807         case HFA384x_IT_AUTHREQ:
1808                 prism2sta_inf_authreq(wlandev, inf);
1809                 break;
1810         case HFA384x_IT_PSUSERCNT:
1811                 prism2sta_inf_psusercnt(wlandev, inf);
1812                 break;
1813         case HFA384x_IT_KEYIDCHANGED:
1814                 printk(KERN_WARNING "Unhandled IT_KEYIDCHANGED\n");
1815                 break;
1816         case HFA384x_IT_ASSOCREQ:
1817                 printk(KERN_WARNING "Unhandled IT_ASSOCREQ\n");
1818                 break;
1819         case HFA384x_IT_MICFAILURE:
1820                 printk(KERN_WARNING "Unhandled IT_MICFAILURE\n");
1821                 break;
1822         default:
1823                 printk(KERN_WARNING
1824                        "Unknown info type=0x%02x\n", inf->infotype);
1825                 break;
1826         }
1827         return;
1828 }
1829
1830 /*----------------------------------------------------------------
1831 * prism2sta_ev_txexc
1832 *
1833 * Handles the TxExc event.  A Transmit Exception event indicates
1834 * that the MAC's TX process was unsuccessful - so the packet did
1835 * not get transmitted.
1836 *
1837 * Arguments:
1838 *       wlandev         wlan device structure
1839 *       status          tx frame status word
1840 *
1841 * Returns:
1842 *       nothing
1843 *
1844 * Side effects:
1845 *
1846 * Call context:
1847 *       interrupt
1848 ----------------------------------------------------------------*/
1849 void prism2sta_ev_txexc(wlandevice_t *wlandev, u16 status)
1850 {
1851         pr_debug("TxExc status=0x%x.\n", status);
1852
1853         return;
1854 }
1855
1856 /*----------------------------------------------------------------
1857 * prism2sta_ev_tx
1858 *
1859 * Handles the Tx event.
1860 *
1861 * Arguments:
1862 *       wlandev         wlan device structure
1863 *       status          tx frame status word
1864 * Returns:
1865 *       nothing
1866 *
1867 * Side effects:
1868 *
1869 * Call context:
1870 *       interrupt
1871 ----------------------------------------------------------------*/
1872 void prism2sta_ev_tx(wlandevice_t *wlandev, u16 status)
1873 {
1874         pr_debug("Tx Complete, status=0x%04x\n", status);
1875         /* update linux network stats */
1876         wlandev->linux_stats.tx_packets++;
1877         return;
1878 }
1879
1880 /*----------------------------------------------------------------
1881 * prism2sta_ev_rx
1882 *
1883 * Handles the Rx event.
1884 *
1885 * Arguments:
1886 *       wlandev         wlan device structure
1887 *
1888 * Returns:
1889 *       nothing
1890 *
1891 * Side effects:
1892 *
1893 * Call context:
1894 *       interrupt
1895 ----------------------------------------------------------------*/
1896 void prism2sta_ev_rx(wlandevice_t *wlandev, struct sk_buff *skb)
1897 {
1898         p80211netdev_rx(wlandev, skb);
1899         return;
1900 }
1901
1902 /*----------------------------------------------------------------
1903 * prism2sta_ev_alloc
1904 *
1905 * Handles the Alloc event.
1906 *
1907 * Arguments:
1908 *       wlandev         wlan device structure
1909 *
1910 * Returns:
1911 *       nothing
1912 *
1913 * Side effects:
1914 *
1915 * Call context:
1916 *       interrupt
1917 ----------------------------------------------------------------*/
1918 void prism2sta_ev_alloc(wlandevice_t *wlandev)
1919 {
1920         netif_wake_queue(wlandev->netdev);
1921         return;
1922 }
1923
1924 /*----------------------------------------------------------------
1925 * create_wlan
1926 *
1927 * Called at module init time.  This creates the wlandevice_t structure
1928 * and initializes it with relevant bits.
1929 *
1930 * Arguments:
1931 *       none
1932 *
1933 * Returns:
1934 *       the created wlandevice_t structure.
1935 *
1936 * Side effects:
1937 *       also allocates the priv/hw structures.
1938 *
1939 * Call context:
1940 *       process thread
1941 *
1942 ----------------------------------------------------------------*/
1943 static wlandevice_t *create_wlan(void)
1944 {
1945         wlandevice_t *wlandev = NULL;
1946         hfa384x_t *hw = NULL;
1947
1948         /* Alloc our structures */
1949         wlandev = kmalloc(sizeof(wlandevice_t), GFP_KERNEL);
1950         hw = kmalloc(sizeof(hfa384x_t), GFP_KERNEL);
1951
1952         if (!wlandev || !hw) {
1953                 printk(KERN_ERR "%s: Memory allocation failure.\n", dev_info);
1954                 kfree(wlandev);
1955                 kfree(hw);
1956                 return NULL;
1957         }
1958
1959         /* Clear all the structs */
1960         memset(wlandev, 0, sizeof(wlandevice_t));
1961         memset(hw, 0, sizeof(hfa384x_t));
1962
1963         /* Initialize the network device object. */
1964         wlandev->nsdname = dev_info;
1965         wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
1966         wlandev->priv = hw;
1967         wlandev->open = prism2sta_open;
1968         wlandev->close = prism2sta_close;
1969         wlandev->reset = prism2sta_reset;
1970         wlandev->txframe = prism2sta_txframe;
1971         wlandev->mlmerequest = prism2sta_mlmerequest;
1972         wlandev->set_multicast_list = prism2sta_setmulticast;
1973         wlandev->tx_timeout = hfa384x_tx_timeout;
1974
1975         wlandev->nsdcaps = P80211_NSDCAP_HWFRAGMENT | P80211_NSDCAP_AUTOJOIN;
1976
1977         /* Initialize the device private data stucture. */
1978         hw->dot11_desired_bss_type = 1;
1979
1980         return wlandev;
1981 }
1982
1983 void prism2sta_commsqual_defer(struct work_struct *data)
1984 {
1985         hfa384x_t *hw = container_of(data, struct hfa384x, commsqual_bh);
1986         wlandevice_t *wlandev = hw->wlandev;
1987         hfa384x_bytestr32_t ssid;
1988         int result = 0;
1989
1990         if (hw->wlandev->hwremoved)
1991                 goto done;
1992
1993         /* we don't care if we're in AP mode */
1994         if ((wlandev->macmode == WLAN_MACMODE_NONE) ||
1995             (wlandev->macmode == WLAN_MACMODE_ESS_AP)) {
1996                 goto done;
1997         }
1998
1999         /* It only makes sense to poll these in non-IBSS */
2000         if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) {
2001                 result = hfa384x_drvr_getconfig(
2002                                 hw, HFA384x_RID_DBMCOMMSQUALITY,
2003                                 &hw->qual, HFA384x_RID_DBMCOMMSQUALITY_LEN);
2004
2005                 if (result) {
2006                         printk(KERN_ERR "error fetching commsqual\n");
2007                         goto done;
2008                 }
2009
2010                 pr_debug("commsqual %d %d %d\n",
2011                          le16_to_cpu(hw->qual.CQ_currBSS),
2012                          le16_to_cpu(hw->qual.ASL_currBSS),
2013                          le16_to_cpu(hw->qual.ANL_currFC));
2014         }
2015
2016         /* Lastly, we need to make sure the BSSID didn't change on us */
2017         result = hfa384x_drvr_getconfig(hw,
2018                                         HFA384x_RID_CURRENTBSSID,
2019                                         wlandev->bssid, WLAN_BSSID_LEN);
2020         if (result) {
2021                 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2022                          HFA384x_RID_CURRENTBSSID, result);
2023                 goto done;
2024         }
2025
2026         result = hfa384x_drvr_getconfig(hw,
2027                                         HFA384x_RID_CURRENTSSID,
2028                                         &ssid, sizeof(ssid));
2029         if (result) {
2030                 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2031                          HFA384x_RID_CURRENTSSID, result);
2032                 goto done;
2033         }
2034         prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) &ssid,
2035                                 (p80211pstrd_t *) &wlandev->ssid);
2036
2037         /* Reschedule timer */
2038         mod_timer(&hw->commsqual_timer, jiffies + HZ);
2039
2040 done:
2041         ;
2042 }
2043
2044 void prism2sta_commsqual_timer(unsigned long data)
2045 {
2046         hfa384x_t *hw = (hfa384x_t *) data;
2047
2048         schedule_work(&hw->commsqual_bh);
2049 }