drivers/staging/wlan-ng/prism2sta.c

   1 /* src/prism2/driver/prism2sta.c
   2 *
   3 * Implements the station functionality for prism2
   4 *
   5 * Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
   6 * --------------------------------------------------------------------
   7 *
   8 * linux-wlan
   9 *
  10 *   The contents of this file are subject to the Mozilla Public
  11 *   License Version 1.1 (the "License"); you may not use this file
  12 *   except in compliance with the License. You may obtain a copy of
  13 *   the License at http://www.mozilla.org/MPL/
  14 *
  15 *   Software distributed under the License is distributed on an "AS
  16 *   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  17 *   implied. See the License for the specific language governing
  18 *   rights and limitations under the License.
  19 *
  20 *   Alternatively, the contents of this file may be used under the
  21 *   terms of the GNU Public License version 2 (the "GPL"), in which
  22 *   case the provisions of the GPL are applicable instead of the
  23 *   above.  If you wish to allow the use of your version of this file
  24 *   only under the terms of the GPL and not to allow others to use
  25 *   your version of this file under the MPL, indicate your decision
  26 *   by deleting the provisions above and replace them with the notice
  27 *   and other provisions required by the GPL.  If you do not delete
  28 *   the provisions above, a recipient may use your version of this
  29 *   file under either the MPL or the GPL.
  30 *
  31 * --------------------------------------------------------------------
  32 *
  33 * Inquiries regarding the linux-wlan Open Source project can be
  34 * made directly to:
  35 *
  36 * AbsoluteValue Systems Inc.
  37 * info@linux-wlan.com
  38 * http://www.linux-wlan.com
  39 *
  40 * --------------------------------------------------------------------
  41 *
  42 * Portions of the development of this software were funded by
  43 * Intersil Corporation as part of PRISM(R) chipset product development.
  44 *
  45 * --------------------------------------------------------------------
  46 *
  47 * This file implements the module and linux pcmcia routines for the
  48 * prism2 driver.
  49 *
  50 * --------------------------------------------------------------------
  51 */
  52
  53 #include <linux/module.h>
  54 #include <linux/moduleparam.h>
  55 #include <linux/kernel.h>
  56 #include <linux/sched.h>
  57 #include <linux/types.h>
  58 #include <linux/slab.h>
  59 #include <linux/wireless.h>
  60 #include <linux/netdevice.h>
  61 #include <linux/workqueue.h>
  62 #include <linux/byteorder/generic.h>
  63 #include <linux/ctype.h>
  64
  65 #include <linux/io.h>
  66 #include <linux/delay.h>
  67 #include <asm/byteorder.h>
  68 #include <linux/if_arp.h>
  69 #include <linux/if_ether.h>
  70 #include <linux/bitops.h>
  71
  72 #include "p80211types.h"
  73 #include "p80211hdr.h"
  74 #include "p80211mgmt.h"
  75 #include "p80211conv.h"
  76 #include "p80211msg.h"
  77 #include "p80211netdev.h"
  78 #include "p80211req.h"
  79 #include "p80211metadef.h"
  80 #include "p80211metastruct.h"
  81 #include "hfa384x.h"
  82 #include "prism2mgmt.h"
  83
  84 /* Create a string of printable chars from something that might not be */
  85 /* It's recommended that the str be 4*len + 1 bytes long */
  86 #define wlan_mkprintstr(buf, buflen, str, strlen) \
  87 { \
  88         int i = 0; \
  89         int j = 0; \
  90         memset(str, 0, (strlen)); \
  91         for (i = 0; i < (buflen); i++) { \
  92                 if (isprint((buf)[i])) { \
  93                         (str)[j] = (buf)[i]; \
  94                         j++; \
  95                 } else { \
  96                         (str)[j] = '\\'; \
  97                         (str)[j+1] = 'x'; \
  98                         (str)[j+2] = hex_asc_hi((buf)[i]); \
  99                         (str)[j+3] = hex_asc_lo((buf)[i]); \
 100                         j += 4; \
 101                 } \
 102         } \
 103 }
 104
 105 static char *dev_info = "prism2_usb";
 106 static wlandevice_t *create_wlan(void);
 107
 108 int prism2_reset_holdtime = 30; /* Reset hold time in ms */
 109 int prism2_reset_settletime = 100;      /* Reset settle time in ms */
 110
 111 static int prism2_doreset;      /* Do a reset at init? */
 112
 113 module_param(prism2_doreset, int, 0644);
 114 MODULE_PARM_DESC(prism2_doreset, "Issue a reset on initialization");
 115
 116 module_param(prism2_reset_holdtime, int, 0644);
 117 MODULE_PARM_DESC(prism2_reset_holdtime, "reset hold time in ms");
 118 module_param(prism2_reset_settletime, int, 0644);
 119 MODULE_PARM_DESC(prism2_reset_settletime, "reset settle time in ms");
 120
 121 MODULE_LICENSE("Dual MPL/GPL");
 122
 123 void prism2_connect_result(wlandevice_t *wlandev, u8 failed);
 124 void prism2_disconnected(wlandevice_t *wlandev);
 125 void prism2_roamed(wlandevice_t *wlandev);
 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                              union p80211_hdr *p80211_hdr,
 132                              struct p80211_metawep *p80211_wep);
 133 static int prism2sta_mlmerequest(wlandevice_t *wlandev, struct p80211msg *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 }
 245
 246 /*----------------------------------------------------------------
 247 * prism2sta_txframe
 248 *
 249 * Takes a frame from p80211 and queues it for transmission.
 250 *
 251 * Arguments:
 252 *       wlandev         wlan device structure
 253 *       pb              packet buffer struct.  Contains an 802.11
 254 *                       data frame.
 255 *       p80211_hdr      points to the 802.11 header for the packet.
 256 * Returns:
 257 *       0               Success and more buffs available
 258 *       1               Success but no more buffs
 259 *       2               Allocation failure
 260 *       4               Buffer full or queue busy
 261 *
 262 * Side effects:
 263 *
 264 * Call context:
 265 *       process thread
 266 ----------------------------------------------------------------*/
 267 static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb,
 268                              union p80211_hdr *p80211_hdr,
 269                              struct p80211_metawep *p80211_wep)
 270 {
 271         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 272         int result;
 273
 274         /* If necessary, set the 802.11 WEP bit */
 275         if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) ==
 276             HOSTWEP_PRIVACYINVOKED) {
 277                 p80211_hdr->a3.fc |= cpu_to_le16(WLAN_SET_FC_ISWEP(1));
 278         }
 279
 280         result = hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep);
 281
 282         return result;
 283 }
 284
 285 /*----------------------------------------------------------------
 286 * prism2sta_mlmerequest
 287 *
 288 * wlan command message handler.  All we do here is pass the message
 289 * over to the prism2sta_mgmt_handler.
 290 *
 291 * Arguments:
 292 *       wlandev         wlan device structure
 293 *       msg             wlan command message
 294 * Returns:
 295 *       0               success
 296 *       <0              successful acceptance of message, but we're
 297 *                       waiting for an async process to finish before
 298 *                       we're done with the msg.  When the asynch
 299 *                       process is done, we'll call the p80211
 300 *                       function p80211req_confirm() .
 301 *       >0              An error occurred while we were handling
 302 *                       the message.
 303 *
 304 * Side effects:
 305 *
 306 * Call context:
 307 *       process thread
 308 ----------------------------------------------------------------*/
 309 static int prism2sta_mlmerequest(wlandevice_t *wlandev, struct p80211msg *msg)
 310 {
 311         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 312
 313         int result = 0;
 314
 315         switch (msg->msgcode) {
 316         case DIDmsg_dot11req_mibget:
 317                 pr_debug("Received mibget request\n");
 318                 result = prism2mgmt_mibset_mibget(wlandev, msg);
 319                 break;
 320         case DIDmsg_dot11req_mibset:
 321                 pr_debug("Received mibset request\n");
 322                 result = prism2mgmt_mibset_mibget(wlandev, msg);
 323                 break;
 324         case DIDmsg_dot11req_scan:
 325                 pr_debug("Received scan request\n");
 326                 result = prism2mgmt_scan(wlandev, msg);
 327                 break;
 328         case DIDmsg_dot11req_scan_results:
 329                 pr_debug("Received scan_results request\n");
 330                 result = prism2mgmt_scan_results(wlandev, msg);
 331                 break;
 332         case DIDmsg_dot11req_start:
 333                 pr_debug("Received mlme start request\n");
 334                 result = prism2mgmt_start(wlandev, msg);
 335                 break;
 336                 /*
 337                  * Prism2 specific messages
 338                  */
 339         case DIDmsg_p2req_readpda:
 340                 pr_debug("Received mlme readpda request\n");
 341                 result = prism2mgmt_readpda(wlandev, msg);
 342                 break;
 343         case DIDmsg_p2req_ramdl_state:
 344                 pr_debug("Received mlme ramdl_state request\n");
 345                 result = prism2mgmt_ramdl_state(wlandev, msg);
 346                 break;
 347         case DIDmsg_p2req_ramdl_write:
 348                 pr_debug("Received mlme ramdl_write request\n");
 349                 result = prism2mgmt_ramdl_write(wlandev, msg);
 350                 break;
 351         case DIDmsg_p2req_flashdl_state:
 352                 pr_debug("Received mlme flashdl_state request\n");
 353                 result = prism2mgmt_flashdl_state(wlandev, msg);
 354                 break;
 355         case DIDmsg_p2req_flashdl_write:
 356                 pr_debug("Received mlme flashdl_write request\n");
 357                 result = prism2mgmt_flashdl_write(wlandev, msg);
 358                 break;
 359                 /*
 360                  * Linux specific messages
 361                  */
 362         case DIDmsg_lnxreq_hostwep:
 363                 break;          /* ignore me. */
 364         case DIDmsg_lnxreq_ifstate:
 365                 {
 366                         struct p80211msg_lnxreq_ifstate *ifstatemsg;
 367                         pr_debug("Received mlme ifstate request\n");
 368                         ifstatemsg = (struct p80211msg_lnxreq_ifstate *) msg;
 369                         result =
 370                             prism2sta_ifstate(wlandev,
 371                                               ifstatemsg->ifstate.data);
 372                         ifstatemsg->resultcode.status =
 373                             P80211ENUM_msgitem_status_data_ok;
 374                         ifstatemsg->resultcode.data = result;
 375                         result = 0;
 376                 }
 377                 break;
 378         case DIDmsg_lnxreq_wlansniff:
 379                 pr_debug("Received mlme wlansniff request\n");
 380                 result = prism2mgmt_wlansniff(wlandev, msg);
 381                 break;
 382         case DIDmsg_lnxreq_autojoin:
 383                 pr_debug("Received mlme autojoin request\n");
 384                 result = prism2mgmt_autojoin(wlandev, msg);
 385                 break;
 386         case DIDmsg_lnxreq_commsquality:{
 387                         struct p80211msg_lnxreq_commsquality *qualmsg;
 388
 389                         pr_debug("Received commsquality request\n");
 390
 391                         qualmsg = (struct p80211msg_lnxreq_commsquality *) msg;
 392
 393                         qualmsg->link.status =
 394                             P80211ENUM_msgitem_status_data_ok;
 395                         qualmsg->level.status =
 396                             P80211ENUM_msgitem_status_data_ok;
 397                         qualmsg->noise.status =
 398                             P80211ENUM_msgitem_status_data_ok;
 399
 400                         qualmsg->link.data = le16_to_cpu(hw->qual.CQ_currBSS);
 401                         qualmsg->level.data = le16_to_cpu(hw->qual.ASL_currBSS);
 402                         qualmsg->noise.data = le16_to_cpu(hw->qual.ANL_currFC);
 403                         qualmsg->txrate.data = hw->txrate;
 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 }
 990
 991 /*----------------------------------------------------------------
 992 * prism2sta_inf_tallies
 993 *
 994 * Handles the receipt of a CommTallies info frame.
 995 *
 996 * Arguments:
 997 *       wlandev         wlan device structure
 998 *       inf             ptr to info frame (contents in hfa384x order)
 999 *
1000 * Returns:
1001 *       nothing
1002 *
1003 * Side effects:
1004 *
1005 * Call context:
1006 *       interrupt
1007 ----------------------------------------------------------------*/
1008 static void prism2sta_inf_tallies(wlandevice_t *wlandev,
1009                                   hfa384x_InfFrame_t *inf)
1010 {
1011         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1012         u16 *src16;
1013         u32 *dst;
1014         u32 *src32;
1015         int i;
1016         int cnt;
1017
1018         /*
1019          ** Determine if these are 16-bit or 32-bit tallies, based on the
1020          ** record length of the info record.
1021          */
1022
1023         cnt = sizeof(hfa384x_CommTallies32_t) / sizeof(u32);
1024         if (inf->framelen > 22) {
1025                 dst = (u32 *) &hw->tallies;
1026                 src32 = (u32 *) &inf->info.commtallies32;
1027                 for (i = 0; i < cnt; i++, dst++, src32++)
1028                         *dst += le32_to_cpu(*src32);
1029         } else {
1030                 dst = (u32 *) &hw->tallies;
1031                 src16 = (u16 *) &inf->info.commtallies16;
1032                 for (i = 0; i < cnt; i++, dst++, src16++)
1033                         *dst += le16_to_cpu(*src16);
1034         }
1035 }
1036
1037 /*----------------------------------------------------------------
1038 * prism2sta_inf_scanresults
1039 *
1040 * Handles the receipt of a Scan Results info frame.
1041 *
1042 * Arguments:
1043 *       wlandev         wlan device structure
1044 *       inf             ptr to info frame (contents in hfa384x order)
1045 *
1046 * Returns:
1047 *       nothing
1048 *
1049 * Side effects:
1050 *
1051 * Call context:
1052 *       interrupt
1053 ----------------------------------------------------------------*/
1054 static void prism2sta_inf_scanresults(wlandevice_t *wlandev,
1055                                       hfa384x_InfFrame_t *inf)
1056 {
1057
1058         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1059         int nbss;
1060         hfa384x_ScanResult_t *sr = &(inf->info.scanresult);
1061         int i;
1062         hfa384x_JoinRequest_data_t joinreq;
1063         int result;
1064
1065         /* Get the number of results, first in bytes, then in results */
1066         nbss = (inf->framelen * sizeof(u16)) -
1067             sizeof(inf->infotype) - sizeof(inf->info.scanresult.scanreason);
1068         nbss /= sizeof(hfa384x_ScanResultSub_t);
1069
1070         /* Print em */
1071         pr_debug("rx scanresults, reason=%d, nbss=%d:\n",
1072                  inf->info.scanresult.scanreason, nbss);
1073         for (i = 0; i < nbss; i++) {
1074                 pr_debug("chid=%d anl=%d sl=%d bcnint=%d\n",
1075                          sr->result[i].chid,
1076                          sr->result[i].anl,
1077                          sr->result[i].sl, sr->result[i].bcnint);
1078                 pr_debug("  capinfo=0x%04x proberesp_rate=%d\n",
1079                          sr->result[i].capinfo, sr->result[i].proberesp_rate);
1080         }
1081         /* issue a join request */
1082         joinreq.channel = sr->result[0].chid;
1083         memcpy(joinreq.bssid, sr->result[0].bssid, WLAN_BSSID_LEN);
1084         result = hfa384x_drvr_setconfig(hw,
1085                                         HFA384x_RID_JOINREQUEST,
1086                                         &joinreq, HFA384x_RID_JOINREQUEST_LEN);
1087         if (result) {
1088                 printk(KERN_ERR "setconfig(joinreq) failed, result=%d\n",
1089                        result);
1090         }
1091 }
1092
1093 /*----------------------------------------------------------------
1094 * prism2sta_inf_hostscanresults
1095 *
1096 * Handles the receipt of a Scan Results info frame.
1097 *
1098 * Arguments:
1099 *       wlandev         wlan device structure
1100 *       inf             ptr to info frame (contents in hfa384x order)
1101 *
1102 * Returns:
1103 *       nothing
1104 *
1105 * Side effects:
1106 *
1107 * Call context:
1108 *       interrupt
1109 ----------------------------------------------------------------*/
1110 static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev,
1111                                           hfa384x_InfFrame_t *inf)
1112 {
1113         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1114         int nbss;
1115
1116         nbss = (inf->framelen - 3) / 32;
1117         pr_debug("Received %d hostscan results\n", nbss);
1118
1119         if (nbss > 32)
1120                 nbss = 32;
1121
1122         kfree(hw->scanresults);
1123
1124         hw->scanresults = kmemdup(inf, sizeof(hfa384x_InfFrame_t), GFP_ATOMIC);
1125
1126         if (nbss == 0)
1127                 nbss = -1;
1128
1129         /* Notify/wake the sleeping caller. */
1130         hw->scanflag = nbss;
1131         wake_up_interruptible(&hw->cmdq);
1132 };
1133
1134 /*----------------------------------------------------------------
1135 * prism2sta_inf_chinforesults
1136 *
1137 * Handles the receipt of a Channel Info Results info frame.
1138 *
1139 * Arguments:
1140 *       wlandev         wlan device structure
1141 *       inf             ptr to info frame (contents in hfa384x order)
1142 *
1143 * Returns:
1144 *       nothing
1145 *
1146 * Side effects:
1147 *
1148 * Call context:
1149 *       interrupt
1150 ----------------------------------------------------------------*/
1151 static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
1152                                         hfa384x_InfFrame_t *inf)
1153 {
1154         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1155         unsigned int i, n;
1156
1157         hw->channel_info.results.scanchannels =
1158             le16_to_cpu(inf->info.chinforesult.scanchannels);
1159
1160         for (i = 0, n = 0; i < HFA384x_CHINFORESULT_MAX; i++) {
1161                 hfa384x_ChInfoResultSub_t *result;
1162                 hfa384x_ChInfoResultSub_t *chinforesult;
1163                 int chan;
1164
1165                 if (!(hw->channel_info.results.scanchannels & (1 << i)))
1166                         continue;
1167
1168                 result = &inf->info.chinforesult.result[n];
1169                 chan = le16_to_cpu(result->chid) - 1;
1170
1171                 if (chan < 0 || chan >= HFA384x_CHINFORESULT_MAX)
1172                         continue;
1173
1174                 chinforesult = &hw->channel_info.results.result[chan];
1175                 chinforesult->chid = chan;
1176                 chinforesult->anl = le16_to_cpu(result->anl);
1177                 chinforesult->pnl = le16_to_cpu(result->pnl);
1178                 chinforesult->active = le16_to_cpu(result->active);
1179
1180                 pr_debug("chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
1181                          chan + 1,
1182                          (chinforesult->active & HFA384x_CHINFORESULT_BSSACTIVE)
1183                                 ? "signal" : "noise",
1184                          chinforesult->anl, chinforesult->pnl,
1185                          (chinforesult->active & HFA384x_CHINFORESULT_PCFACTIVE)
1186                                 ? 1 : 0);
1187                 n++;
1188         }
1189         atomic_set(&hw->channel_info.done, 2);
1190
1191         hw->channel_info.count = n;
1192 }
1193
1194 void prism2sta_processing_defer(struct work_struct *data)
1195 {
1196         hfa384x_t *hw = container_of(data, struct hfa384x, link_bh);
1197         wlandevice_t *wlandev = hw->wlandev;
1198         hfa384x_bytestr32_t ssid;
1199         int result;
1200
1201         /* First let's process the auth frames */
1202         {
1203                 struct sk_buff *skb;
1204                 hfa384x_InfFrame_t *inf;
1205
1206                 while ((skb = skb_dequeue(&hw->authq))) {
1207                         inf = (hfa384x_InfFrame_t *) skb->data;
1208                         prism2sta_inf_authreq_defer(wlandev, inf);
1209                 }
1210
1211         }
1212
1213         /* Now let's handle the linkstatus stuff */
1214         if (hw->link_status == hw->link_status_new)
1215                 return;
1216
1217         hw->link_status = hw->link_status_new;
1218
1219         switch (hw->link_status) {
1220         case HFA384x_LINK_NOTCONNECTED:
1221                 /* I'm currently assuming that this is the initial link
1222                  * state.  It should only be possible immediately
1223                  * following an Enable command.
1224                  * Response:
1225                  * Block Transmits, Ignore receives of data frames
1226                  */
1227                 netif_carrier_off(wlandev->netdev);
1228
1229                 printk(KERN_INFO "linkstatus=NOTCONNECTED (unhandled)\n");
1230                 break;
1231
1232         case HFA384x_LINK_CONNECTED:
1233                 /* This one indicates a successful scan/join/auth/assoc.
1234                  * When we have the full MLME complement, this event will
1235                  * signify successful completion of both mlme_authenticate
1236                  * and mlme_associate.  State management will get a little
1237                  * ugly here.
1238                  * Response:
1239                  * Indicate authentication and/or association
1240                  * Enable Transmits, Receives and pass up data frames
1241                  */
1242
1243                 netif_carrier_on(wlandev->netdev);
1244
1245                 /* If we are joining a specific AP, set our
1246                  * state and reset retries
1247                  */
1248                 if (hw->join_ap == 1)
1249                         hw->join_ap = 2;
1250                 hw->join_retries = 60;
1251
1252                 /* Don't call this in monitor mode */
1253                 if (wlandev->netdev->type == ARPHRD_ETHER) {
1254                         u16 portstatus;
1255
1256                         printk(KERN_INFO "linkstatus=CONNECTED\n");
1257
1258                         /* For non-usb devices, we can use the sync versions */
1259                         /* Collect the BSSID, and set state to allow tx */
1260
1261                         result = hfa384x_drvr_getconfig(hw,
1262                                                 HFA384x_RID_CURRENTBSSID,
1263                                                 wlandev->bssid,
1264                                                 WLAN_BSSID_LEN);
1265                         if (result) {
1266                                 pr_debug
1267                                     ("getconfig(0x%02x) failed, result = %d\n",
1268                                      HFA384x_RID_CURRENTBSSID, result);
1269                                 return;
1270                         }
1271
1272                         result = hfa384x_drvr_getconfig(hw,
1273                                                         HFA384x_RID_CURRENTSSID,
1274                                                         &ssid, sizeof(ssid));
1275                         if (result) {
1276                                 pr_debug
1277                                     ("getconfig(0x%02x) failed, result = %d\n",
1278                                      HFA384x_RID_CURRENTSSID, result);
1279                                 return;
1280                         }
1281                         prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *) &ssid,
1282                                                 (p80211pstrd_t *) &
1283                                                 wlandev->ssid);
1284
1285                         /* Collect the port status */
1286                         result = hfa384x_drvr_getconfig16(hw,
1287                                                         HFA384x_RID_PORTSTATUS,
1288                                                         &portstatus);
1289                         if (result) {
1290                                 pr_debug
1291                                     ("getconfig(0x%02x) failed, result = %d\n",
1292                                      HFA384x_RID_PORTSTATUS, result);
1293                                 return;
1294                         }
1295                         wlandev->macmode =
1296                             (portstatus == HFA384x_PSTATUS_CONN_IBSS) ?
1297                             WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA;
1298
1299                         /* signal back up to cfg80211 layer */
1300                         prism2_connect_result(wlandev, P80211ENUM_truth_false);
1301
1302                         /* Get the ball rolling on the comms quality stuff */
1303                         prism2sta_commsqual_defer(&hw->commsqual_bh);
1304                 }
1305                 break;
1306
1307         case HFA384x_LINK_DISCONNECTED:
1308                 /* This one indicates that our association is gone.  We've
1309                  * lost connection with the AP and/or been disassociated.
1310                  * This indicates that the MAC has completely cleared it's
1311                  * associated state.  We * should send a deauth indication
1312                  * (implying disassoc) up * to the MLME.
1313                  * Response:
1314                  * Indicate Deauthentication
1315                  * Block Transmits, Ignore receives of data frames
1316                  */
1317                 if (wlandev->netdev->type == ARPHRD_ETHER)
1318                         printk(KERN_INFO
1319                                "linkstatus=DISCONNECTED (unhandled)\n");
1320                 wlandev->macmode = WLAN_MACMODE_NONE;
1321
1322                 netif_carrier_off(wlandev->netdev);
1323
1324                 /* signal back up to cfg80211 layer */
1325                 prism2_disconnected(wlandev);
1326
1327                 break;
1328
1329         case HFA384x_LINK_AP_CHANGE:
1330                 /* This one indicates that the MAC has decided to and
1331                  * successfully completed a change to another AP.  We
1332                  * should probably implement a reassociation indication
1333                  * in response to this one.  I'm thinking that the the
1334                  * p80211 layer needs to be notified in case of
1335                  * buffering/queueing issues.  User mode also needs to be
1336                  * notified so that any BSS dependent elements can be
1337                  * updated.
1338                  * associated state.  We * should send a deauth indication
1339                  * (implying disassoc) up * to the MLME.
1340                  * Response:
1341                  * Indicate Reassociation
1342                  * Enable Transmits, Receives and pass up data frames
1343                  */
1344                 printk(KERN_INFO "linkstatus=AP_CHANGE\n");
1345
1346                 result = hfa384x_drvr_getconfig(hw,
1347                                                 HFA384x_RID_CURRENTBSSID,
1348                                                 wlandev->bssid, WLAN_BSSID_LEN);
1349                 if (result) {
1350                         pr_debug("getconfig(0x%02x) failed, result = %d\n",
1351                                  HFA384x_RID_CURRENTBSSID, result);
1352                         return;
1353                 }
1354
1355                 result = hfa384x_drvr_getconfig(hw,
1356                                                 HFA384x_RID_CURRENTSSID,
1357                                                 &ssid, sizeof(ssid));
1358                 if (result) {
1359                         pr_debug("getconfig(0x%02x) failed, result = %d\n",
1360                                  HFA384x_RID_CURRENTSSID, result);
1361                         return;
1362                 }
1363                 prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *) &ssid,
1364                                         (p80211pstrd_t *) &wlandev->ssid);
1365
1366                 hw->link_status = HFA384x_LINK_CONNECTED;
1367                 netif_carrier_on(wlandev->netdev);
1368
1369                 /* signal back up to cfg80211 layer */
1370                 prism2_roamed(wlandev);
1371
1372                 break;
1373
1374         case HFA384x_LINK_AP_OUTOFRANGE:
1375                 /* This one indicates that the MAC has decided that the
1376                  * AP is out of range, but hasn't found a better candidate
1377                  * so the MAC maintains its "associated" state in case
1378                  * we get back in range.  We should block transmits and
1379                  * receives in this state.  Do we need an indication here?
1380                  * Probably not since a polling user-mode element would
1381                  * get this status from from p2PortStatus(FD40). What about
1382                  * p80211?
1383                  * Response:
1384                  * Block Transmits, Ignore receives of data frames
1385                  */
1386                 printk(KERN_INFO "linkstatus=AP_OUTOFRANGE (unhandled)\n");
1387
1388                 netif_carrier_off(wlandev->netdev);
1389
1390                 break;
1391
1392         case HFA384x_LINK_AP_INRANGE:
1393                 /* This one indicates that the MAC has decided that the
1394                  * AP is back in range.  We continue working with our
1395                  * existing association.
1396                  * Response:
1397                  * Enable Transmits, Receives and pass up data frames
1398                  */
1399                 printk(KERN_INFO "linkstatus=AP_INRANGE\n");
1400
1401                 hw->link_status = HFA384x_LINK_CONNECTED;
1402                 netif_carrier_on(wlandev->netdev);
1403
1404                 break;
1405
1406         case HFA384x_LINK_ASSOCFAIL:
1407                 /* This one is actually a peer to CONNECTED.  We've
1408                  * requested a join for a given SSID and optionally BSSID.
1409                  * We can use this one to indicate authentication and
1410                  * association failures.  The trick is going to be
1411                  * 1) identifying the failure, and 2) state management.
1412                  * Response:
1413                  * Disable Transmits, Ignore receives of data frames
1414                  */
1415                 if (hw->join_ap && --hw->join_retries > 0) {
1416                         hfa384x_JoinRequest_data_t joinreq;
1417                         joinreq = hw->joinreq;
1418                         /* Send the join request */
1419                         hfa384x_drvr_setconfig(hw,
1420                                                HFA384x_RID_JOINREQUEST,
1421                                                &joinreq,
1422                                                HFA384x_RID_JOINREQUEST_LEN);
1423                         printk(KERN_INFO
1424                                "linkstatus=ASSOCFAIL (re-submitting join)\n");
1425                 } else {
1426                         printk(KERN_INFO "linkstatus=ASSOCFAIL (unhandled)\n");
1427                 }
1428
1429                 netif_carrier_off(wlandev->netdev);
1430
1431                 /* signal back up to cfg80211 layer */
1432                 prism2_connect_result(wlandev, P80211ENUM_truth_true);
1433
1434                 break;
1435
1436         default:
1437                 /* This is bad, IO port problems? */
1438                 printk(KERN_WARNING
1439                        "unknown linkstatus=0x%02x\n", hw->link_status);
1440                 return;
1441         }
1442
1443         wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED);
1444 }
1445
1446 /*----------------------------------------------------------------
1447 * prism2sta_inf_linkstatus
1448 *
1449 * Handles the receipt of a Link Status info frame.
1450 *
1451 * Arguments:
1452 *       wlandev         wlan device structure
1453 *       inf             ptr to info frame (contents in hfa384x order)
1454 *
1455 * Returns:
1456 *       nothing
1457 *
1458 * Side effects:
1459 *
1460 * Call context:
1461 *       interrupt
1462 ----------------------------------------------------------------*/
1463 static void prism2sta_inf_linkstatus(wlandevice_t *wlandev,
1464                                      hfa384x_InfFrame_t *inf)
1465 {
1466         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1467
1468         hw->link_status_new = le16_to_cpu(inf->info.linkstatus.linkstatus);
1469
1470         schedule_work(&hw->link_bh);
1471 }
1472
1473 /*----------------------------------------------------------------
1474 * prism2sta_inf_assocstatus
1475 *
1476 * Handles the receipt of an Association Status info frame. Should
1477 * be present in APs only.
1478 *
1479 * Arguments:
1480 *       wlandev         wlan device structure
1481 *       inf             ptr to info frame (contents in hfa384x order)
1482 *
1483 * Returns:
1484 *       nothing
1485 *
1486 * Side effects:
1487 *
1488 * Call context:
1489 *       interrupt
1490 ----------------------------------------------------------------*/
1491 static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
1492                                       hfa384x_InfFrame_t *inf)
1493 {
1494         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1495         hfa384x_AssocStatus_t rec;
1496         int i;
1497
1498         memcpy(&rec, &inf->info.assocstatus, sizeof(rec));
1499         rec.assocstatus = le16_to_cpu(rec.assocstatus);
1500         rec.reason = le16_to_cpu(rec.reason);
1501
1502         /*
1503          ** Find the address in the list of authenticated stations.
1504          ** If it wasn't found, then this address has not been previously
1505          ** authenticated and something weird has happened if this is
1506          ** anything other than an "authentication failed" message.
1507          ** If the address was found, then set the "associated" flag for
1508          ** that station, based on whether the station is associating or
1509          ** losing its association.  Something weird has also happened
1510          ** if we find the address in the list of authenticated stations
1511          ** but we are getting an "authentication failed" message.
1512          */
1513
1514         for (i = 0; i < hw->authlist.cnt; i++)
1515                 if (memcmp(rec.sta_addr, hw->authlist.addr[i], ETH_ALEN) == 0)
1516                         break;
1517
1518         if (i >= hw->authlist.cnt) {
1519                 if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL)
1520                         printk(KERN_WARNING
1521         "assocstatus info frame received for non-authenticated station.\n");
1522         } else {
1523                 hw->authlist.assoc[i] =
1524                     (rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC ||
1525                      rec.assocstatus == HFA384x_ASSOCSTATUS_REASSOC);
1526
1527                 if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL)
1528                         printk(KERN_WARNING
1529 "authfail assocstatus info frame received for authenticated station.\n");
1530         }
1531 }
1532
1533 /*----------------------------------------------------------------
1534 * prism2sta_inf_authreq
1535 *
1536 * Handles the receipt of an Authentication Request info frame. Should
1537 * be present in APs only.
1538 *
1539 * Arguments:
1540 *       wlandev         wlan device structure
1541 *       inf             ptr to info frame (contents in hfa384x order)
1542 *
1543 * Returns:
1544 *       nothing
1545 *
1546 * Side effects:
1547 *
1548 * Call context:
1549 *       interrupt
1550 *
1551 ----------------------------------------------------------------*/
1552 static void prism2sta_inf_authreq(wlandevice_t *wlandev,
1553                                   hfa384x_InfFrame_t *inf)
1554 {
1555         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1556         struct sk_buff *skb;
1557
1558         skb = dev_alloc_skb(sizeof(*inf));
1559         if (skb) {
1560                 skb_put(skb, sizeof(*inf));
1561                 memcpy(skb->data, inf, sizeof(*inf));
1562                 skb_queue_tail(&hw->authq, skb);
1563                 schedule_work(&hw->link_bh);
1564         }
1565 }
1566
1567 static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
1568                                         hfa384x_InfFrame_t *inf)
1569 {
1570         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1571         hfa384x_authenticateStation_data_t rec;
1572
1573         int i, added, result, cnt;
1574         u8 *addr;
1575
1576         /*
1577          ** Build the AuthenticateStation record.  Initialize it for denying
1578          ** authentication.
1579          */
1580
1581         memcpy(rec.address, inf->info.authreq.sta_addr, ETH_ALEN);
1582         rec.status = P80211ENUM_status_unspec_failure;
1583
1584         /*
1585          ** Authenticate based on the access mode.
1586          */
1587
1588         switch (hw->accessmode) {
1589         case WLAN_ACCESS_NONE:
1590
1591                 /*
1592                  ** Deny all new authentications.  However, if a station
1593                  ** is ALREADY authenticated, then accept it.
1594                  */
1595
1596                 for (i = 0; i < hw->authlist.cnt; i++)
1597                         if (memcmp(rec.address, hw->authlist.addr[i],
1598                                    ETH_ALEN) == 0) {
1599                                 rec.status = P80211ENUM_status_successful;
1600                                 break;
1601                         }
1602
1603                 break;
1604
1605         case WLAN_ACCESS_ALL:
1606
1607                 /*
1608                  ** Allow all authentications.
1609                  */
1610
1611                 rec.status = P80211ENUM_status_successful;
1612                 break;
1613
1614         case WLAN_ACCESS_ALLOW:
1615
1616                 /*
1617                  ** Only allow the authentication if the MAC address
1618                  ** is in the list of allowed addresses.
1619                  **
1620                  ** Since this is the interrupt handler, we may be here
1621                  ** while the access list is in the middle of being
1622                  ** updated.  Choose the list which is currently okay.
1623                  ** See "prism2mib_priv_accessallow()" for details.
1624                  */
1625
1626                 if (hw->allow.modify == 0) {
1627                         cnt = hw->allow.cnt;
1628                         addr = hw->allow.addr[0];
1629                 } else {
1630                         cnt = hw->allow.cnt1;
1631                         addr = hw->allow.addr1[0];
1632                 }
1633
1634                 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1635                         if (memcmp(rec.address, addr, ETH_ALEN) == 0) {
1636                                 rec.status = P80211ENUM_status_successful;
1637                                 break;
1638                         }
1639
1640                 break;
1641
1642         case WLAN_ACCESS_DENY:
1643
1644                 /*
1645                  ** Allow the authentication UNLESS the MAC address is
1646                  ** in the list of denied addresses.
1647                  **
1648                  ** Since this is the interrupt handler, we may be here
1649                  ** while the access list is in the middle of being
1650                  ** updated.  Choose the list which is currently okay.
1651                  ** See "prism2mib_priv_accessdeny()" for details.
1652                  */
1653
1654                 if (hw->deny.modify == 0) {
1655                         cnt = hw->deny.cnt;
1656                         addr = hw->deny.addr[0];
1657                 } else {
1658                         cnt = hw->deny.cnt1;
1659                         addr = hw->deny.addr1[0];
1660                 }
1661
1662                 rec.status = P80211ENUM_status_successful;
1663
1664                 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1665                         if (memcmp(rec.address, addr, ETH_ALEN) == 0) {
1666                                 rec.status = P80211ENUM_status_unspec_failure;
1667                                 break;
1668                         }
1669
1670                 break;
1671         }
1672
1673         /*
1674          ** If the authentication is okay, then add the MAC address to the
1675          ** list of authenticated stations.  Don't add the address if it
1676          ** is already in the list. (802.11b does not seem to disallow
1677          ** a station from issuing an authentication request when the
1678          ** station is already authenticated. Does this sort of thing
1679          ** ever happen?  We might as well do the check just in case.)
1680          */
1681
1682         added = 0;
1683
1684         if (rec.status == P80211ENUM_status_successful) {
1685                 for (i = 0; i < hw->authlist.cnt; i++)
1686                         if (memcmp(rec.address, hw->authlist.addr[i], ETH_ALEN)
1687                             == 0)
1688                                 break;
1689
1690                 if (i >= hw->authlist.cnt) {
1691                         if (hw->authlist.cnt >= WLAN_AUTH_MAX) {
1692                                 rec.status = P80211ENUM_status_ap_full;
1693                         } else {
1694                                 memcpy(hw->authlist.addr[hw->authlist.cnt],
1695                                        rec.address, ETH_ALEN);
1696                                 hw->authlist.cnt++;
1697                                 added = 1;
1698                         }
1699                 }
1700         }
1701
1702         /*
1703          ** Send back the results of the authentication.  If this doesn't work,
1704          ** then make sure to remove the address from the authenticated list if
1705          ** it was added.
1706          */
1707
1708         rec.status = cpu_to_le16(rec.status);
1709         rec.algorithm = inf->info.authreq.algorithm;
1710
1711         result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA,
1712                                         &rec, sizeof(rec));
1713         if (result) {
1714                 if (added)
1715                         hw->authlist.cnt--;
1716                 printk(KERN_ERR
1717                        "setconfig(authenticatestation) failed, result=%d\n",
1718                        result);
1719         }
1720 }
1721
1722 /*----------------------------------------------------------------
1723 * prism2sta_inf_psusercnt
1724 *
1725 * Handles the receipt of a PowerSaveUserCount info frame. Should
1726 * be present in APs only.
1727 *
1728 * Arguments:
1729 *       wlandev         wlan device structure
1730 *       inf             ptr to info frame (contents in hfa384x order)
1731 *
1732 * Returns:
1733 *       nothing
1734 *
1735 * Side effects:
1736 *
1737 * Call context:
1738 *       interrupt
1739 ----------------------------------------------------------------*/
1740 static void prism2sta_inf_psusercnt(wlandevice_t *wlandev,
1741                                     hfa384x_InfFrame_t *inf)
1742 {
1743         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1744
1745         hw->psusercount = le16_to_cpu(inf->info.psusercnt.usercnt);
1746 }
1747
1748 /*----------------------------------------------------------------
1749 * prism2sta_ev_info
1750 *
1751 * Handles the Info event.
1752 *
1753 * Arguments:
1754 *       wlandev         wlan device structure
1755 *       inf             ptr to a generic info frame
1756 *
1757 * Returns:
1758 *       nothing
1759 *
1760 * Side effects:
1761 *
1762 * Call context:
1763 *       interrupt
1764 ----------------------------------------------------------------*/
1765 void prism2sta_ev_info(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf)
1766 {
1767         inf->infotype = le16_to_cpu(inf->infotype);
1768         /* Dispatch */
1769         switch (inf->infotype) {
1770         case HFA384x_IT_HANDOVERADDR:
1771                 prism2sta_inf_handover(wlandev, inf);
1772                 break;
1773         case HFA384x_IT_COMMTALLIES:
1774                 prism2sta_inf_tallies(wlandev, inf);
1775                 break;
1776         case HFA384x_IT_HOSTSCANRESULTS:
1777                 prism2sta_inf_hostscanresults(wlandev, inf);
1778                 break;
1779         case HFA384x_IT_SCANRESULTS:
1780                 prism2sta_inf_scanresults(wlandev, inf);
1781                 break;
1782         case HFA384x_IT_CHINFORESULTS:
1783                 prism2sta_inf_chinforesults(wlandev, inf);
1784                 break;
1785         case HFA384x_IT_LINKSTATUS:
1786                 prism2sta_inf_linkstatus(wlandev, inf);
1787                 break;
1788         case HFA384x_IT_ASSOCSTATUS:
1789                 prism2sta_inf_assocstatus(wlandev, inf);
1790                 break;
1791         case HFA384x_IT_AUTHREQ:
1792                 prism2sta_inf_authreq(wlandev, inf);
1793                 break;
1794         case HFA384x_IT_PSUSERCNT:
1795                 prism2sta_inf_psusercnt(wlandev, inf);
1796                 break;
1797         case HFA384x_IT_KEYIDCHANGED:
1798                 printk(KERN_WARNING "Unhandled IT_KEYIDCHANGED\n");
1799                 break;
1800         case HFA384x_IT_ASSOCREQ:
1801                 printk(KERN_WARNING "Unhandled IT_ASSOCREQ\n");
1802                 break;
1803         case HFA384x_IT_MICFAILURE:
1804                 printk(KERN_WARNING "Unhandled IT_MICFAILURE\n");
1805                 break;
1806         default:
1807                 printk(KERN_WARNING
1808                        "Unknown info type=0x%02x\n", inf->infotype);
1809                 break;
1810         }
1811 }
1812
1813 /*----------------------------------------------------------------
1814 * prism2sta_ev_txexc
1815 *
1816 * Handles the TxExc event.  A Transmit Exception event indicates
1817 * that the MAC's TX process was unsuccessful - so the packet did
1818 * not get transmitted.
1819 *
1820 * Arguments:
1821 *       wlandev         wlan device structure
1822 *       status          tx frame status word
1823 *
1824 * Returns:
1825 *       nothing
1826 *
1827 * Side effects:
1828 *
1829 * Call context:
1830 *       interrupt
1831 ----------------------------------------------------------------*/
1832 void prism2sta_ev_txexc(wlandevice_t *wlandev, u16 status)
1833 {
1834         pr_debug("TxExc status=0x%x.\n", status);
1835 }
1836
1837 /*----------------------------------------------------------------
1838 * prism2sta_ev_tx
1839 *
1840 * Handles the Tx event.
1841 *
1842 * Arguments:
1843 *       wlandev         wlan device structure
1844 *       status          tx frame status word
1845 * Returns:
1846 *       nothing
1847 *
1848 * Side effects:
1849 *
1850 * Call context:
1851 *       interrupt
1852 ----------------------------------------------------------------*/
1853 void prism2sta_ev_tx(wlandevice_t *wlandev, u16 status)
1854 {
1855         pr_debug("Tx Complete, status=0x%04x\n", status);
1856         /* update linux network stats */
1857         wlandev->linux_stats.tx_packets++;
1858 }
1859
1860 /*----------------------------------------------------------------
1861 * prism2sta_ev_rx
1862 *
1863 * Handles the Rx event.
1864 *
1865 * Arguments:
1866 *       wlandev         wlan device structure
1867 *
1868 * Returns:
1869 *       nothing
1870 *
1871 * Side effects:
1872 *
1873 * Call context:
1874 *       interrupt
1875 ----------------------------------------------------------------*/
1876 void prism2sta_ev_rx(wlandevice_t *wlandev, struct sk_buff *skb)
1877 {
1878         p80211netdev_rx(wlandev, skb);
1879 }
1880
1881 /*----------------------------------------------------------------
1882 * prism2sta_ev_alloc
1883 *
1884 * Handles the Alloc event.
1885 *
1886 * Arguments:
1887 *       wlandev         wlan device structure
1888 *
1889 * Returns:
1890 *       nothing
1891 *
1892 * Side effects:
1893 *
1894 * Call context:
1895 *       interrupt
1896 ----------------------------------------------------------------*/
1897 void prism2sta_ev_alloc(wlandevice_t *wlandev)
1898 {
1899         netif_wake_queue(wlandev->netdev);
1900 }
1901
1902 /*----------------------------------------------------------------
1903 * create_wlan
1904 *
1905 * Called at module init time.  This creates the wlandevice_t structure
1906 * and initializes it with relevant bits.
1907 *
1908 * Arguments:
1909 *       none
1910 *
1911 * Returns:
1912 *       the created wlandevice_t structure.
1913 *
1914 * Side effects:
1915 *       also allocates the priv/hw structures.
1916 *
1917 * Call context:
1918 *       process thread
1919 *
1920 ----------------------------------------------------------------*/
1921 static wlandevice_t *create_wlan(void)
1922 {
1923         wlandevice_t *wlandev = NULL;
1924         hfa384x_t *hw = NULL;
1925
1926         /* Alloc our structures */
1927         wlandev = kzalloc(sizeof(wlandevice_t), GFP_KERNEL);
1928         hw = kzalloc(sizeof(hfa384x_t), GFP_KERNEL);
1929
1930         if (!wlandev || !hw) {
1931                 printk(KERN_ERR "%s: Memory allocation failure.\n", dev_info);
1932                 kfree(wlandev);
1933                 kfree(hw);
1934                 return NULL;
1935         }
1936
1937         /* Initialize the network device object. */
1938         wlandev->nsdname = dev_info;
1939         wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
1940         wlandev->priv = hw;
1941         wlandev->open = prism2sta_open;
1942         wlandev->close = prism2sta_close;
1943         wlandev->reset = prism2sta_reset;
1944         wlandev->txframe = prism2sta_txframe;
1945         wlandev->mlmerequest = prism2sta_mlmerequest;
1946         wlandev->set_multicast_list = prism2sta_setmulticast;
1947         wlandev->tx_timeout = hfa384x_tx_timeout;
1948
1949         wlandev->nsdcaps = P80211_NSDCAP_HWFRAGMENT | P80211_NSDCAP_AUTOJOIN;
1950
1951         /* Initialize the device private data structure. */
1952         hw->dot11_desired_bss_type = 1;
1953
1954         return wlandev;
1955 }
1956
1957 void prism2sta_commsqual_defer(struct work_struct *data)
1958 {
1959         hfa384x_t *hw = container_of(data, struct hfa384x, commsqual_bh);
1960         wlandevice_t *wlandev = hw->wlandev;
1961         hfa384x_bytestr32_t ssid;
1962         struct p80211msg_dot11req_mibget msg;
1963         p80211item_uint32_t *mibitem = (p80211item_uint32_t *)
1964                                                 &msg.mibattribute.data;
1965         int result = 0;
1966
1967         if (hw->wlandev->hwremoved)
1968                 return;
1969
1970         /* we don't care if we're in AP mode */
1971         if ((wlandev->macmode == WLAN_MACMODE_NONE) ||
1972             (wlandev->macmode == WLAN_MACMODE_ESS_AP)) {
1973                 return;
1974         }
1975
1976         /* It only makes sense to poll these in non-IBSS */
1977         if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) {
1978                 result = hfa384x_drvr_getconfig(
1979                                 hw, HFA384x_RID_DBMCOMMSQUALITY,
1980                                 &hw->qual, HFA384x_RID_DBMCOMMSQUALITY_LEN);
1981
1982                 if (result) {
1983                         printk(KERN_ERR "error fetching commsqual\n");
1984                         return;
1985                 }
1986
1987                 pr_debug("commsqual %d %d %d\n",
1988                          le16_to_cpu(hw->qual.CQ_currBSS),
1989                          le16_to_cpu(hw->qual.ASL_currBSS),
1990                          le16_to_cpu(hw->qual.ANL_currFC));
1991         }
1992
1993         /* Get the signal rate */
1994         msg.msgcode = DIDmsg_dot11req_mibget;
1995         mibitem->did = DIDmib_p2_p2MAC_p2CurrentTxRate;
1996         result = p80211req_dorequest(wlandev, (u8 *) &msg);
1997
1998         if (result) {
1999                 pr_debug("get signal rate failed, result = %d\n",
2000                          result);
2001                 return;
2002         }
2003
2004         switch (mibitem->data) {
2005         case HFA384x_RATEBIT_1:
2006                 hw->txrate = 10;
2007                 break;
2008         case HFA384x_RATEBIT_2:
2009                 hw->txrate = 20;
2010                 break;
2011         case HFA384x_RATEBIT_5dot5:
2012                 hw->txrate = 55;
2013                 break;
2014         case HFA384x_RATEBIT_11:
2015                 hw->txrate = 110;
2016                 break;
2017         default:
2018                 pr_debug("Bad ratebit (%d)\n", mibitem->data);
2019         }
2020
2021         /* Lastly, we need to make sure the BSSID didn't change on us */
2022         result = hfa384x_drvr_getconfig(hw,
2023                                         HFA384x_RID_CURRENTBSSID,
2024                                         wlandev->bssid, WLAN_BSSID_LEN);
2025         if (result) {
2026                 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2027                          HFA384x_RID_CURRENTBSSID, result);
2028                 return;
2029         }
2030
2031         result = hfa384x_drvr_getconfig(hw,
2032                                         HFA384x_RID_CURRENTSSID,
2033                                         &ssid, sizeof(ssid));
2034         if (result) {
2035                 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2036                          HFA384x_RID_CURRENTSSID, result);
2037                 return;
2038         }
2039         prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *) &ssid,
2040                                 (p80211pstrd_t *) &wlandev->ssid);
2041
2042         /* Reschedule timer */
2043         mod_timer(&hw->commsqual_timer, jiffies + HZ);
2044 }
2045
2046 void prism2sta_commsqual_timer(unsigned long data)
2047 {
2048         hfa384x_t *hw = (hfa384x_t *) data;
2049
2050         schedule_work(&hw->commsqual_bh);
2051 }