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/init.h>
  59 #include <linux/slab.h>
  60 #include <linux/wireless.h>
  61 #include <linux/netdevice.h>
  62 #include <linux/workqueue.h>
  63 #include <linux/byteorder/generic.h>
  64 #include <linux/ctype.h>
  65
  66 #include <linux/io.h>
  67 #include <linux/delay.h>
  68 #include <asm/byteorder.h>
  69 #include <linux/if_arp.h>
  70 #include <linux/if_ether.h>
  71 #include <linux/bitops.h>
  72
  73 #include "p80211types.h"
  74 #include "p80211hdr.h"
  75 #include "p80211mgmt.h"
  76 #include "p80211conv.h"
  77 #include "p80211msg.h"
  78 #include "p80211netdev.h"
  79 #include "p80211req.h"
  80 #include "p80211metadef.h"
  81 #include "p80211metastruct.h"
  82 #include "hfa384x.h"
  83 #include "prism2mgmt.h"
  84
  85 /* Create a string of printable chars from something that might not be */
  86 /* It's recommended that the str be 4*len + 1 bytes long */
  87 #define wlan_mkprintstr(buf, buflen, str, strlen) \
  88 { \
  89         int i = 0; \
  90         int j = 0; \
  91         memset(str, 0, (strlen)); \
  92         for (i = 0; i < (buflen); i++) { \
  93                 if (isprint((buf)[i])) { \
  94                         (str)[j] = (buf)[i]; \
  95                         j++; \
  96                 } else { \
  97                         (str)[j] = '\\'; \
  98                         (str)[j+1] = 'x'; \
  99                         (str)[j+2] = hex_asc_hi((buf)[i]); \
 100                         (str)[j+3] = hex_asc_lo((buf)[i]); \
 101                         j += 4; \
 102                 } \
 103         } \
 104 }
 105
 106 static char *dev_info = "prism2_usb";
 107 static wlandevice_t *create_wlan(void);
 108
 109 int prism2_reset_holdtime = 30; /* Reset hold time in ms */
 110 int prism2_reset_settletime = 100;      /* Reset settle time in ms */
 111
 112 static int prism2_doreset;      /* Do a reset at init? */
 113
 114 module_param(prism2_doreset, int, 0644);
 115 MODULE_PARM_DESC(prism2_doreset, "Issue a reset on initialization");
 116
 117 module_param(prism2_reset_holdtime, int, 0644);
 118 MODULE_PARM_DESC(prism2_reset_holdtime, "reset hold time in ms");
 119 module_param(prism2_reset_settletime, int, 0644);
 120 MODULE_PARM_DESC(prism2_reset_settletime, "reset settle time in ms");
 121
 122 MODULE_LICENSE("Dual MPL/GPL");
 123
 124 void prism2_connect_result(wlandevice_t *wlandev, u8 failed);
 125 void prism2_disconnected(wlandevice_t *wlandev);
 126 void prism2_roamed(wlandevice_t *wlandev);
 127
 128 static int prism2sta_open(wlandevice_t *wlandev);
 129 static int prism2sta_close(wlandevice_t *wlandev);
 130 static void prism2sta_reset(wlandevice_t *wlandev);
 131 static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb,
 132                              union p80211_hdr *p80211_hdr,
 133                              struct p80211_metawep *p80211_wep);
 134 static int prism2sta_mlmerequest(wlandevice_t *wlandev, struct p80211msg *msg);
 135 static int prism2sta_getcardinfo(wlandevice_t *wlandev);
 136 static int prism2sta_globalsetup(wlandevice_t *wlandev);
 137 static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev);
 138
 139 static void prism2sta_inf_handover(wlandevice_t *wlandev,
 140                                    hfa384x_InfFrame_t *inf);
 141 static void prism2sta_inf_tallies(wlandevice_t *wlandev,
 142                                   hfa384x_InfFrame_t *inf);
 143 static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev,
 144                                           hfa384x_InfFrame_t *inf);
 145 static void prism2sta_inf_scanresults(wlandevice_t *wlandev,
 146                                       hfa384x_InfFrame_t *inf);
 147 static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
 148                                         hfa384x_InfFrame_t *inf);
 149 static void prism2sta_inf_linkstatus(wlandevice_t *wlandev,
 150                                      hfa384x_InfFrame_t *inf);
 151 static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
 152                                       hfa384x_InfFrame_t *inf);
 153 static void prism2sta_inf_authreq(wlandevice_t *wlandev,
 154                                   hfa384x_InfFrame_t *inf);
 155 static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
 156                                         hfa384x_InfFrame_t *inf);
 157 static void prism2sta_inf_psusercnt(wlandevice_t *wlandev,
 158                                     hfa384x_InfFrame_t *inf);
 159
 160 /*----------------------------------------------------------------
 161 * prism2sta_open
 162 *
 163 * WLAN device open method.  Called from p80211netdev when kernel
 164 * device open (start) method is called in response to the
 165 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
 166 * from clear to set.
 167 *
 168 * Arguments:
 169 *       wlandev         wlan device structure
 170 *
 171 * Returns:
 172 *       0       success
 173 *       >0      f/w reported error
 174 *       <0      driver reported error
 175 *
 176 * Side effects:
 177 *
 178 * Call context:
 179 *       process thread
 180 ----------------------------------------------------------------*/
 181 static int prism2sta_open(wlandevice_t *wlandev)
 182 {
 183         /* We don't currently have to do anything else.
 184          * The setup of the MAC should be subsequently completed via
 185          * the mlme commands.
 186          * Higher layers know we're ready from dev->start==1 and
 187          * dev->tbusy==0.  Our rx path knows to pass up received/
 188          * frames because of dev->flags&IFF_UP is true.
 189          */
 190
 191         return 0;
 192 }
 193
 194 /*----------------------------------------------------------------
 195 * prism2sta_close
 196 *
 197 * WLAN device close method.  Called from p80211netdev when kernel
 198 * device close method is called in response to the
 199 * SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
 200 * from set to clear.
 201 *
 202 * Arguments:
 203 *       wlandev         wlan device structure
 204 *
 205 * Returns:
 206 *       0       success
 207 *       >0      f/w reported error
 208 *       <0      driver reported error
 209 *
 210 * Side effects:
 211 *
 212 * Call context:
 213 *       process thread
 214 ----------------------------------------------------------------*/
 215 static int prism2sta_close(wlandevice_t *wlandev)
 216 {
 217         /* We don't currently have to do anything else.
 218          * Higher layers know we're not ready from dev->start==0 and
 219          * dev->tbusy==1.  Our rx path knows to not pass up received
 220          * frames because of dev->flags&IFF_UP is false.
 221          */
 222
 223         return 0;
 224 }
 225
 226 /*----------------------------------------------------------------
 227 * prism2sta_reset
 228 *
 229 * Not currently implented.
 230 *
 231 * Arguments:
 232 *       wlandev         wlan device structure
 233 *       none
 234 *
 235 * Returns:
 236 *       nothing
 237 *
 238 * Side effects:
 239 *
 240 * Call context:
 241 *       process thread
 242 ----------------------------------------------------------------*/
 243 static void prism2sta_reset(wlandevice_t *wlandev)
 244 {
 245         return;
 246 }
 247
 248 /*----------------------------------------------------------------
 249 * prism2sta_txframe
 250 *
 251 * Takes a frame from p80211 and queues it for transmission.
 252 *
 253 * Arguments:
 254 *       wlandev         wlan device structure
 255 *       pb              packet buffer struct.  Contains an 802.11
 256 *                       data frame.
 257 *       p80211_hdr      points to the 802.11 header for the packet.
 258 * Returns:
 259 *       0               Success and more buffs available
 260 *       1               Success but no more buffs
 261 *       2               Allocation failure
 262 *       4               Buffer full or queue busy
 263 *
 264 * Side effects:
 265 *
 266 * Call context:
 267 *       process thread
 268 ----------------------------------------------------------------*/
 269 static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb,
 270                              union p80211_hdr *p80211_hdr,
 271                              struct p80211_metawep *p80211_wep)
 272 {
 273         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 274         int result;
 275
 276         /* If necessary, set the 802.11 WEP bit */
 277         if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) ==
 278             HOSTWEP_PRIVACYINVOKED) {
 279                 p80211_hdr->a3.fc |= cpu_to_le16(WLAN_SET_FC_ISWEP(1));
 280         }
 281
 282         result = hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep);
 283
 284         return result;
 285 }
 286
 287 /*----------------------------------------------------------------
 288 * prism2sta_mlmerequest
 289 *
 290 * wlan command message handler.  All we do here is pass the message
 291 * over to the prism2sta_mgmt_handler.
 292 *
 293 * Arguments:
 294 *       wlandev         wlan device structure
 295 *       msg             wlan command message
 296 * Returns:
 297 *       0               success
 298 *       <0              successful acceptance of message, but we're
 299 *                       waiting for an async process to finish before
 300 *                       we're done with the msg.  When the asynch
 301 *                       process is done, we'll call the p80211
 302 *                       function p80211req_confirm() .
 303 *       >0              An error occurred while we were handling
 304 *                       the message.
 305 *
 306 * Side effects:
 307 *
 308 * Call context:
 309 *       process thread
 310 ----------------------------------------------------------------*/
 311 static int prism2sta_mlmerequest(wlandevice_t *wlandev, struct p80211msg *msg)
 312 {
 313         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 314
 315         int result = 0;
 316
 317         switch (msg->msgcode) {
 318         case DIDmsg_dot11req_mibget:
 319                 pr_debug("Received mibget request\n");
 320                 result = prism2mgmt_mibset_mibget(wlandev, msg);
 321                 break;
 322         case DIDmsg_dot11req_mibset:
 323                 pr_debug("Received mibset request\n");
 324                 result = prism2mgmt_mibset_mibget(wlandev, msg);
 325                 break;
 326         case DIDmsg_dot11req_scan:
 327                 pr_debug("Received scan request\n");
 328                 result = prism2mgmt_scan(wlandev, msg);
 329                 break;
 330         case DIDmsg_dot11req_scan_results:
 331                 pr_debug("Received scan_results request\n");
 332                 result = prism2mgmt_scan_results(wlandev, msg);
 333                 break;
 334         case DIDmsg_dot11req_start:
 335                 pr_debug("Received mlme start request\n");
 336                 result = prism2mgmt_start(wlandev, msg);
 337                 break;
 338                 /*
 339                  * Prism2 specific messages
 340                  */
 341         case DIDmsg_p2req_readpda:
 342                 pr_debug("Received mlme readpda request\n");
 343                 result = prism2mgmt_readpda(wlandev, msg);
 344                 break;
 345         case DIDmsg_p2req_ramdl_state:
 346                 pr_debug("Received mlme ramdl_state request\n");
 347                 result = prism2mgmt_ramdl_state(wlandev, msg);
 348                 break;
 349         case DIDmsg_p2req_ramdl_write:
 350                 pr_debug("Received mlme ramdl_write request\n");
 351                 result = prism2mgmt_ramdl_write(wlandev, msg);
 352                 break;
 353         case DIDmsg_p2req_flashdl_state:
 354                 pr_debug("Received mlme flashdl_state request\n");
 355                 result = prism2mgmt_flashdl_state(wlandev, msg);
 356                 break;
 357         case DIDmsg_p2req_flashdl_write:
 358                 pr_debug("Received mlme flashdl_write request\n");
 359                 result = prism2mgmt_flashdl_write(wlandev, msg);
 360                 break;
 361                 /*
 362                  * Linux specific messages
 363                  */
 364         case DIDmsg_lnxreq_hostwep:
 365                 break;          /* ignore me. */
 366         case DIDmsg_lnxreq_ifstate:
 367                 {
 368                         struct p80211msg_lnxreq_ifstate *ifstatemsg;
 369                         pr_debug("Received mlme ifstate request\n");
 370                         ifstatemsg = (struct p80211msg_lnxreq_ifstate *) msg;
 371                         result =
 372                             prism2sta_ifstate(wlandev,
 373                                               ifstatemsg->ifstate.data);
 374                         ifstatemsg->resultcode.status =
 375                             P80211ENUM_msgitem_status_data_ok;
 376                         ifstatemsg->resultcode.data = result;
 377                         result = 0;
 378                 }
 379                 break;
 380         case DIDmsg_lnxreq_wlansniff:
 381                 pr_debug("Received mlme wlansniff request\n");
 382                 result = prism2mgmt_wlansniff(wlandev, msg);
 383                 break;
 384         case DIDmsg_lnxreq_autojoin:
 385                 pr_debug("Received mlme autojoin request\n");
 386                 result = prism2mgmt_autojoin(wlandev, msg);
 387                 break;
 388         case DIDmsg_lnxreq_commsquality:{
 389                         struct p80211msg_lnxreq_commsquality *qualmsg;
 390
 391                         pr_debug("Received commsquality request\n");
 392
 393                         qualmsg = (struct p80211msg_lnxreq_commsquality *) msg;
 394
 395                         qualmsg->link.status =
 396                             P80211ENUM_msgitem_status_data_ok;
 397                         qualmsg->level.status =
 398                             P80211ENUM_msgitem_status_data_ok;
 399                         qualmsg->noise.status =
 400                             P80211ENUM_msgitem_status_data_ok;
 401
 402                         qualmsg->link.data = le16_to_cpu(hw->qual.CQ_currBSS);
 403                         qualmsg->level.data = le16_to_cpu(hw->qual.ASL_currBSS);
 404                         qualmsg->noise.data = le16_to_cpu(hw->qual.ANL_currFC);
 405                         qualmsg->txrate.data = hw->txrate;
 406
 407                         break;
 408                 }
 409         default:
 410                 printk(KERN_WARNING "Unknown mgmt request message 0x%08x",
 411                        msg->msgcode);
 412                 break;
 413         }
 414
 415         return result;
 416 }
 417
 418 /*----------------------------------------------------------------
 419 * prism2sta_ifstate
 420 *
 421 * Interface state.  This is the primary WLAN interface enable/disable
 422 * handler.  Following the driver/load/deviceprobe sequence, this
 423 * function must be called with a state of "enable" before any other
 424 * commands will be accepted.
 425 *
 426 * Arguments:
 427 *       wlandev         wlan device structure
 428 *       msgp            ptr to msg buffer
 429 *
 430 * Returns:
 431 *       A p80211 message resultcode value.
 432 *
 433 * Side effects:
 434 *
 435 * Call context:
 436 *       process thread  (usually)
 437 *       interrupt
 438 ----------------------------------------------------------------*/
 439 u32 prism2sta_ifstate(wlandevice_t *wlandev, u32 ifstate)
 440 {
 441         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 442         u32 result;
 443
 444         result = P80211ENUM_resultcode_implementation_failure;
 445
 446         pr_debug("Current MSD state(%d), requesting(%d)\n",
 447                  wlandev->msdstate, ifstate);
 448         switch (ifstate) {
 449         case P80211ENUM_ifstate_fwload:
 450                 switch (wlandev->msdstate) {
 451                 case WLAN_MSD_HWPRESENT:
 452                         wlandev->msdstate = WLAN_MSD_FWLOAD_PENDING;
 453                         /*
 454                          * Initialize the device+driver sufficiently
 455                          * for firmware loading.
 456                          */
 457                         result = hfa384x_drvr_start(hw);
 458                         if (result) {
 459                                 printk(KERN_ERR
 460                                        "hfa384x_drvr_start() failed,"
 461                                        "result=%d\n", (int)result);
 462                                 result =
 463                                  P80211ENUM_resultcode_implementation_failure;
 464                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 465                                 break;
 466                         }
 467                         wlandev->msdstate = WLAN_MSD_FWLOAD;
 468                         result = P80211ENUM_resultcode_success;
 469                         break;
 470                 case WLAN_MSD_FWLOAD:
 471                         hfa384x_cmd_initialize(hw);
 472                         result = P80211ENUM_resultcode_success;
 473                         break;
 474                 case WLAN_MSD_RUNNING:
 475                         printk(KERN_WARNING
 476                                "Cannot enter fwload state from enable state,"
 477                                "you must disable first.\n");
 478                         result = P80211ENUM_resultcode_invalid_parameters;
 479                         break;
 480                 case WLAN_MSD_HWFAIL:
 481                 default:
 482                         /* probe() had a problem or the msdstate contains
 483                          * an unrecognized value, there's nothing we can do.
 484                          */
 485                         result = P80211ENUM_resultcode_implementation_failure;
 486                         break;
 487                 }
 488                 break;
 489         case P80211ENUM_ifstate_enable:
 490                 switch (wlandev->msdstate) {
 491                 case WLAN_MSD_HWPRESENT:
 492                 case WLAN_MSD_FWLOAD:
 493                         wlandev->msdstate = WLAN_MSD_RUNNING_PENDING;
 494                         /* Initialize the device+driver for full
 495                          * operation. Note that this might me an FWLOAD to
 496                          * to RUNNING transition so we must not do a chip
 497                          * or board level reset.  Note that on failure,
 498                          * the MSD state is set to HWPRESENT because we
 499                          * can't make any assumptions about the state
 500                          * of the hardware or a previous firmware load.
 501                          */
 502                         result = hfa384x_drvr_start(hw);
 503                         if (result) {
 504                                 printk(KERN_ERR
 505                                        "hfa384x_drvr_start() failed,"
 506                                        "result=%d\n", (int)result);
 507                                 result =
 508                                   P80211ENUM_resultcode_implementation_failure;
 509                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 510                                 break;
 511                         }
 512
 513                         result = prism2sta_getcardinfo(wlandev);
 514                         if (result) {
 515                                 printk(KERN_ERR
 516                                        "prism2sta_getcardinfo() failed,"
 517                                        "result=%d\n", (int)result);
 518                                 result =
 519                                   P80211ENUM_resultcode_implementation_failure;
 520                                 hfa384x_drvr_stop(hw);
 521                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 522                                 break;
 523                         }
 524                         result = prism2sta_globalsetup(wlandev);
 525                         if (result) {
 526                                 printk(KERN_ERR
 527                                        "prism2sta_globalsetup() failed,"
 528                                        "result=%d\n", (int)result);
 529                                 result =
 530                                   P80211ENUM_resultcode_implementation_failure;
 531                                 hfa384x_drvr_stop(hw);
 532                                 wlandev->msdstate = WLAN_MSD_HWPRESENT;
 533                                 break;
 534                         }
 535                         wlandev->msdstate = WLAN_MSD_RUNNING;
 536                         hw->join_ap = 0;
 537                         hw->join_retries = 60;
 538                         result = P80211ENUM_resultcode_success;
 539                         break;
 540                 case WLAN_MSD_RUNNING:
 541                         /* Do nothing, we're already in this state. */
 542                         result = P80211ENUM_resultcode_success;
 543                         break;
 544                 case WLAN_MSD_HWFAIL:
 545                 default:
 546                         /* probe() had a problem or the msdstate contains
 547                          * an unrecognized value, there's nothing we can do.
 548                          */
 549                         result = P80211ENUM_resultcode_implementation_failure;
 550                         break;
 551                 }
 552                 break;
 553         case P80211ENUM_ifstate_disable:
 554                 switch (wlandev->msdstate) {
 555                 case WLAN_MSD_HWPRESENT:
 556                         /* Do nothing, we're already in this state. */
 557                         result = P80211ENUM_resultcode_success;
 558                         break;
 559                 case WLAN_MSD_FWLOAD:
 560                 case WLAN_MSD_RUNNING:
 561                         wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
 562                         /*
 563                          * TODO: Shut down the MAC completely. Here a chip
 564                          * or board level reset is probably called for.
 565                          * After a "disable" _all_ results are lost, even
 566                          * those from a fwload.
 567                          */
 568                         if (!wlandev->hwremoved)
 569                                 netif_carrier_off(wlandev->netdev);
 570
 571                         hfa384x_drvr_stop(hw);
 572
 573                         wlandev->macmode = WLAN_MACMODE_NONE;
 574                         wlandev->msdstate = WLAN_MSD_HWPRESENT;
 575                         result = P80211ENUM_resultcode_success;
 576                         break;
 577                 case WLAN_MSD_HWFAIL:
 578                 default:
 579                         /* probe() had a problem or the msdstate contains
 580                          * an unrecognized value, there's nothing we can do.
 581                          */
 582                         result = P80211ENUM_resultcode_implementation_failure;
 583                         break;
 584                 }
 585                 break;
 586         default:
 587                 result = P80211ENUM_resultcode_invalid_parameters;
 588                 break;
 589         }
 590
 591         return result;
 592 }
 593
 594 /*----------------------------------------------------------------
 595 * prism2sta_getcardinfo
 596 *
 597 * Collect the NICID, firmware version and any other identifiers
 598 * we'd like to have in host-side data structures.
 599 *
 600 * Arguments:
 601 *       wlandev         wlan device structure
 602 *
 603 * Returns:
 604 *       0       success
 605 *       >0      f/w reported error
 606 *       <0      driver reported error
 607 *
 608 * Side effects:
 609 *
 610 * Call context:
 611 *       Either.
 612 ----------------------------------------------------------------*/
 613 static int prism2sta_getcardinfo(wlandevice_t *wlandev)
 614 {
 615         int result = 0;
 616         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 617         u16 temp;
 618         u8 snum[HFA384x_RID_NICSERIALNUMBER_LEN];
 619         char pstr[(HFA384x_RID_NICSERIALNUMBER_LEN * 4) + 1];
 620
 621         /* Collect version and compatibility info */
 622         /*  Some are critical, some are not */
 623         /* NIC identity */
 624         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICIDENTITY,
 625                                         &hw->ident_nic,
 626                                         sizeof(hfa384x_compident_t));
 627         if (result) {
 628                 printk(KERN_ERR "Failed to retrieve NICIDENTITY\n");
 629                 goto failed;
 630         }
 631
 632         /* get all the nic id fields in host byte order */
 633         hw->ident_nic.id = le16_to_cpu(hw->ident_nic.id);
 634         hw->ident_nic.variant = le16_to_cpu(hw->ident_nic.variant);
 635         hw->ident_nic.major = le16_to_cpu(hw->ident_nic.major);
 636         hw->ident_nic.minor = le16_to_cpu(hw->ident_nic.minor);
 637
 638         printk(KERN_INFO "ident: nic h/w: id=0x%02x %d.%d.%d\n",
 639                hw->ident_nic.id, hw->ident_nic.major,
 640                hw->ident_nic.minor, hw->ident_nic.variant);
 641
 642         /* Primary f/w identity */
 643         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY,
 644                                         &hw->ident_pri_fw,
 645                                         sizeof(hfa384x_compident_t));
 646         if (result) {
 647                 printk(KERN_ERR "Failed to retrieve PRIIDENTITY\n");
 648                 goto failed;
 649         }
 650
 651         /* get all the private fw id fields in host byte order */
 652         hw->ident_pri_fw.id = le16_to_cpu(hw->ident_pri_fw.id);
 653         hw->ident_pri_fw.variant = le16_to_cpu(hw->ident_pri_fw.variant);
 654         hw->ident_pri_fw.major = le16_to_cpu(hw->ident_pri_fw.major);
 655         hw->ident_pri_fw.minor = le16_to_cpu(hw->ident_pri_fw.minor);
 656
 657         printk(KERN_INFO "ident: pri f/w: id=0x%02x %d.%d.%d\n",
 658                hw->ident_pri_fw.id, hw->ident_pri_fw.major,
 659                hw->ident_pri_fw.minor, hw->ident_pri_fw.variant);
 660
 661         /* Station (Secondary?) f/w identity */
 662         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY,
 663                                         &hw->ident_sta_fw,
 664                                         sizeof(hfa384x_compident_t));
 665         if (result) {
 666                 printk(KERN_ERR "Failed to retrieve STAIDENTITY\n");
 667                 goto failed;
 668         }
 669
 670         if (hw->ident_nic.id < 0x8000) {
 671                 printk(KERN_ERR
 672                        "FATAL: Card is not an Intersil Prism2/2.5/3\n");
 673                 result = -1;
 674                 goto failed;
 675         }
 676
 677         /* get all the station fw id fields in host byte order */
 678         hw->ident_sta_fw.id = le16_to_cpu(hw->ident_sta_fw.id);
 679         hw->ident_sta_fw.variant = le16_to_cpu(hw->ident_sta_fw.variant);
 680         hw->ident_sta_fw.major = le16_to_cpu(hw->ident_sta_fw.major);
 681         hw->ident_sta_fw.minor = le16_to_cpu(hw->ident_sta_fw.minor);
 682
 683         /* strip out the 'special' variant bits */
 684         hw->mm_mods = hw->ident_sta_fw.variant & (BIT(14) | BIT(15));
 685         hw->ident_sta_fw.variant &= ~((u16) (BIT(14) | BIT(15)));
 686
 687         if (hw->ident_sta_fw.id == 0x1f) {
 688                 printk(KERN_INFO
 689                        "ident: sta f/w: id=0x%02x %d.%d.%d\n",
 690                        hw->ident_sta_fw.id, hw->ident_sta_fw.major,
 691                        hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
 692         } else {
 693                 printk(KERN_INFO
 694                        "ident:  ap f/w: id=0x%02x %d.%d.%d\n",
 695                        hw->ident_sta_fw.id, hw->ident_sta_fw.major,
 696                        hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
 697                 printk(KERN_ERR "Unsupported Tertiary AP firmeare loaded!\n");
 698                 goto failed;
 699         }
 700
 701         /* Compatibility range, Modem supplier */
 702         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE,
 703                                         &hw->cap_sup_mfi,
 704                                         sizeof(hfa384x_caplevel_t));
 705         if (result) {
 706                 printk(KERN_ERR "Failed to retrieve MFISUPRANGE\n");
 707                 goto failed;
 708         }
 709
 710         /* get all the Compatibility range, modem interface supplier
 711            fields in byte order */
 712         hw->cap_sup_mfi.role = le16_to_cpu(hw->cap_sup_mfi.role);
 713         hw->cap_sup_mfi.id = le16_to_cpu(hw->cap_sup_mfi.id);
 714         hw->cap_sup_mfi.variant = le16_to_cpu(hw->cap_sup_mfi.variant);
 715         hw->cap_sup_mfi.bottom = le16_to_cpu(hw->cap_sup_mfi.bottom);
 716         hw->cap_sup_mfi.top = le16_to_cpu(hw->cap_sup_mfi.top);
 717
 718         printk(KERN_INFO
 719                "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 720                hw->cap_sup_mfi.role, hw->cap_sup_mfi.id,
 721                hw->cap_sup_mfi.variant, hw->cap_sup_mfi.bottom,
 722                hw->cap_sup_mfi.top);
 723
 724         /* Compatibility range, Controller supplier */
 725         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE,
 726                                         &hw->cap_sup_cfi,
 727                                         sizeof(hfa384x_caplevel_t));
 728         if (result) {
 729                 printk(KERN_ERR "Failed to retrieve CFISUPRANGE\n");
 730                 goto failed;
 731         }
 732
 733         /* get all the Compatibility range, controller interface supplier
 734            fields in byte order */
 735         hw->cap_sup_cfi.role = le16_to_cpu(hw->cap_sup_cfi.role);
 736         hw->cap_sup_cfi.id = le16_to_cpu(hw->cap_sup_cfi.id);
 737         hw->cap_sup_cfi.variant = le16_to_cpu(hw->cap_sup_cfi.variant);
 738         hw->cap_sup_cfi.bottom = le16_to_cpu(hw->cap_sup_cfi.bottom);
 739         hw->cap_sup_cfi.top = le16_to_cpu(hw->cap_sup_cfi.top);
 740
 741         printk(KERN_INFO
 742                "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 743                hw->cap_sup_cfi.role, hw->cap_sup_cfi.id,
 744                hw->cap_sup_cfi.variant, hw->cap_sup_cfi.bottom,
 745                hw->cap_sup_cfi.top);
 746
 747         /* Compatibility range, Primary f/w supplier */
 748         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE,
 749                                         &hw->cap_sup_pri,
 750                                         sizeof(hfa384x_caplevel_t));
 751         if (result) {
 752                 printk(KERN_ERR "Failed to retrieve PRISUPRANGE\n");
 753                 goto failed;
 754         }
 755
 756         /* get all the Compatibility range, primary firmware supplier
 757            fields in byte order */
 758         hw->cap_sup_pri.role = le16_to_cpu(hw->cap_sup_pri.role);
 759         hw->cap_sup_pri.id = le16_to_cpu(hw->cap_sup_pri.id);
 760         hw->cap_sup_pri.variant = le16_to_cpu(hw->cap_sup_pri.variant);
 761         hw->cap_sup_pri.bottom = le16_to_cpu(hw->cap_sup_pri.bottom);
 762         hw->cap_sup_pri.top = le16_to_cpu(hw->cap_sup_pri.top);
 763
 764         printk(KERN_INFO
 765                "PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 766                hw->cap_sup_pri.role, hw->cap_sup_pri.id,
 767                hw->cap_sup_pri.variant, hw->cap_sup_pri.bottom,
 768                hw->cap_sup_pri.top);
 769
 770         /* Compatibility range, Station f/w supplier */
 771         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE,
 772                                         &hw->cap_sup_sta,
 773                                         sizeof(hfa384x_caplevel_t));
 774         if (result) {
 775                 printk(KERN_ERR "Failed to retrieve STASUPRANGE\n");
 776                 goto failed;
 777         }
 778
 779         /* get all the Compatibility range, station firmware supplier
 780            fields in byte order */
 781         hw->cap_sup_sta.role = le16_to_cpu(hw->cap_sup_sta.role);
 782         hw->cap_sup_sta.id = le16_to_cpu(hw->cap_sup_sta.id);
 783         hw->cap_sup_sta.variant = le16_to_cpu(hw->cap_sup_sta.variant);
 784         hw->cap_sup_sta.bottom = le16_to_cpu(hw->cap_sup_sta.bottom);
 785         hw->cap_sup_sta.top = le16_to_cpu(hw->cap_sup_sta.top);
 786
 787         if (hw->cap_sup_sta.id == 0x04) {
 788                 printk(KERN_INFO
 789                        "STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 790                        hw->cap_sup_sta.role, hw->cap_sup_sta.id,
 791                        hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
 792                        hw->cap_sup_sta.top);
 793         } else {
 794                 printk(KERN_INFO
 795                        "AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 796                        hw->cap_sup_sta.role, hw->cap_sup_sta.id,
 797                        hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
 798                        hw->cap_sup_sta.top);
 799         }
 800
 801         /* Compatibility range, primary f/w actor, CFI supplier */
 802         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES,
 803                                         &hw->cap_act_pri_cfi,
 804                                         sizeof(hfa384x_caplevel_t));
 805         if (result) {
 806                 printk(KERN_ERR "Failed to retrieve PRI_CFIACTRANGES\n");
 807                 goto failed;
 808         }
 809
 810         /* get all the Compatibility range, primary f/w actor, CFI supplier
 811            fields in byte order */
 812         hw->cap_act_pri_cfi.role = le16_to_cpu(hw->cap_act_pri_cfi.role);
 813         hw->cap_act_pri_cfi.id = le16_to_cpu(hw->cap_act_pri_cfi.id);
 814         hw->cap_act_pri_cfi.variant = le16_to_cpu(hw->cap_act_pri_cfi.variant);
 815         hw->cap_act_pri_cfi.bottom = le16_to_cpu(hw->cap_act_pri_cfi.bottom);
 816         hw->cap_act_pri_cfi.top = le16_to_cpu(hw->cap_act_pri_cfi.top);
 817
 818         printk(KERN_INFO
 819                "PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 820                hw->cap_act_pri_cfi.role, hw->cap_act_pri_cfi.id,
 821                hw->cap_act_pri_cfi.variant, hw->cap_act_pri_cfi.bottom,
 822                hw->cap_act_pri_cfi.top);
 823
 824         /* Compatibility range, sta f/w actor, CFI supplier */
 825         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES,
 826                                         &hw->cap_act_sta_cfi,
 827                                         sizeof(hfa384x_caplevel_t));
 828         if (result) {
 829                 printk(KERN_ERR "Failed to retrieve STA_CFIACTRANGES\n");
 830                 goto failed;
 831         }
 832
 833         /* get all the Compatibility range, station f/w actor, CFI supplier
 834            fields in byte order */
 835         hw->cap_act_sta_cfi.role = le16_to_cpu(hw->cap_act_sta_cfi.role);
 836         hw->cap_act_sta_cfi.id = le16_to_cpu(hw->cap_act_sta_cfi.id);
 837         hw->cap_act_sta_cfi.variant = le16_to_cpu(hw->cap_act_sta_cfi.variant);
 838         hw->cap_act_sta_cfi.bottom = le16_to_cpu(hw->cap_act_sta_cfi.bottom);
 839         hw->cap_act_sta_cfi.top = le16_to_cpu(hw->cap_act_sta_cfi.top);
 840
 841         printk(KERN_INFO
 842                "STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 843                hw->cap_act_sta_cfi.role, hw->cap_act_sta_cfi.id,
 844                hw->cap_act_sta_cfi.variant, hw->cap_act_sta_cfi.bottom,
 845                hw->cap_act_sta_cfi.top);
 846
 847         /* Compatibility range, sta f/w actor, MFI supplier */
 848         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES,
 849                                         &hw->cap_act_sta_mfi,
 850                                         sizeof(hfa384x_caplevel_t));
 851         if (result) {
 852                 printk(KERN_ERR "Failed to retrieve STA_MFIACTRANGES\n");
 853                 goto failed;
 854         }
 855
 856         /* get all the Compatibility range, station f/w actor, MFI supplier
 857            fields in byte order */
 858         hw->cap_act_sta_mfi.role = le16_to_cpu(hw->cap_act_sta_mfi.role);
 859         hw->cap_act_sta_mfi.id = le16_to_cpu(hw->cap_act_sta_mfi.id);
 860         hw->cap_act_sta_mfi.variant = le16_to_cpu(hw->cap_act_sta_mfi.variant);
 861         hw->cap_act_sta_mfi.bottom = le16_to_cpu(hw->cap_act_sta_mfi.bottom);
 862         hw->cap_act_sta_mfi.top = le16_to_cpu(hw->cap_act_sta_mfi.top);
 863
 864         printk(KERN_INFO
 865                "STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
 866                hw->cap_act_sta_mfi.role, hw->cap_act_sta_mfi.id,
 867                hw->cap_act_sta_mfi.variant, hw->cap_act_sta_mfi.bottom,
 868                hw->cap_act_sta_mfi.top);
 869
 870         /* Serial Number */
 871         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICSERIALNUMBER,
 872                                         snum, HFA384x_RID_NICSERIALNUMBER_LEN);
 873         if (!result) {
 874                 wlan_mkprintstr(snum, HFA384x_RID_NICSERIALNUMBER_LEN,
 875                                 pstr, sizeof(pstr));
 876                 printk(KERN_INFO "Prism2 card SN: %s\n", pstr);
 877         } else {
 878                 printk(KERN_ERR "Failed to retrieve Prism2 Card SN\n");
 879                 goto failed;
 880         }
 881
 882         /* Collect the MAC address */
 883         result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR,
 884                                         wlandev->netdev->dev_addr, ETH_ALEN);
 885         if (result != 0) {
 886                 printk(KERN_ERR "Failed to retrieve mac address\n");
 887                 goto failed;
 888         }
 889
 890         /* short preamble is always implemented */
 891         wlandev->nsdcaps |= P80211_NSDCAP_SHORT_PREAMBLE;
 892
 893         /* find out if hardware wep is implemented */
 894         hfa384x_drvr_getconfig16(hw, HFA384x_RID_PRIVACYOPTIMP, &temp);
 895         if (temp)
 896                 wlandev->nsdcaps |= P80211_NSDCAP_HARDWAREWEP;
 897
 898         /* get the dBm Scaling constant */
 899         hfa384x_drvr_getconfig16(hw, HFA384x_RID_CNFDBMADJUST, &temp);
 900         hw->dbmadjust = temp;
 901
 902         /* Only enable scan by default on newer firmware */
 903         if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
 904                                      hw->ident_sta_fw.minor,
 905                                      hw->ident_sta_fw.variant) <
 906             HFA384x_FIRMWARE_VERSION(1, 5, 5)) {
 907                 wlandev->nsdcaps |= P80211_NSDCAP_NOSCAN;
 908         }
 909
 910         /* TODO: Set any internally managed config items */
 911
 912         goto done;
 913 failed:
 914         printk(KERN_ERR "Failed, result=%d\n", result);
 915 done:
 916         return result;
 917 }
 918
 919 /*----------------------------------------------------------------
 920 * prism2sta_globalsetup
 921 *
 922 * Set any global RIDs that we want to set at device activation.
 923 *
 924 * Arguments:
 925 *       wlandev         wlan device structure
 926 *
 927 * Returns:
 928 *       0       success
 929 *       >0      f/w reported error
 930 *       <0      driver reported error
 931 *
 932 * Side effects:
 933 *
 934 * Call context:
 935 *       process thread
 936 ----------------------------------------------------------------*/
 937 static int prism2sta_globalsetup(wlandevice_t *wlandev)
 938 {
 939         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 940
 941         /* Set the maximum frame size */
 942         return hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN,
 943                                         WLAN_DATA_MAXLEN);
 944 }
 945
 946 static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev)
 947 {
 948         int result = 0;
 949         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
 950
 951         u16 promisc;
 952
 953         /* If we're not ready, what's the point? */
 954         if (hw->state != HFA384x_STATE_RUNNING)
 955                 goto exit;
 956
 957         if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0)
 958                 promisc = P80211ENUM_truth_true;
 959         else
 960                 promisc = P80211ENUM_truth_false;
 961
 962         result =
 963             hfa384x_drvr_setconfig16_async(hw, HFA384x_RID_PROMISCMODE,
 964                                            promisc);
 965 exit:
 966         return result;
 967 }
 968
 969 /*----------------------------------------------------------------
 970 * prism2sta_inf_handover
 971 *
 972 * Handles the receipt of a Handover info frame. Should only be present
 973 * in APs only.
 974 *
 975 * Arguments:
 976 *       wlandev         wlan device structure
 977 *       inf             ptr to info frame (contents in hfa384x order)
 978 *
 979 * Returns:
 980 *       nothing
 981 *
 982 * Side effects:
 983 *
 984 * Call context:
 985 *       interrupt
 986 ----------------------------------------------------------------*/
 987 static void prism2sta_inf_handover(wlandevice_t *wlandev,
 988                                    hfa384x_InfFrame_t *inf)
 989 {
 990         pr_debug("received infoframe:HANDOVER (unhandled)\n");
 991         return;
 992 }
 993
 994 /*----------------------------------------------------------------
 995 * prism2sta_inf_tallies
 996 *
 997 * Handles the receipt of a CommTallies info frame.
 998 *
 999 * Arguments:
1000 *       wlandev         wlan device structure
1001 *       inf             ptr to info frame (contents in hfa384x order)
1002 *
1003 * Returns:
1004 *       nothing
1005 *
1006 * Side effects:
1007 *
1008 * Call context:
1009 *       interrupt
1010 ----------------------------------------------------------------*/
1011 static void prism2sta_inf_tallies(wlandevice_t *wlandev,
1012                                   hfa384x_InfFrame_t *inf)
1013 {
1014         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1015         u16 *src16;
1016         u32 *dst;
1017         u32 *src32;
1018         int i;
1019         int cnt;
1020
1021         /*
1022          ** Determine if these are 16-bit or 32-bit tallies, based on the
1023          ** record length of the info record.
1024          */
1025
1026         cnt = sizeof(hfa384x_CommTallies32_t) / sizeof(u32);
1027         if (inf->framelen > 22) {
1028                 dst = (u32 *) &hw->tallies;
1029                 src32 = (u32 *) &inf->info.commtallies32;
1030                 for (i = 0; i < cnt; i++, dst++, src32++)
1031                         *dst += le32_to_cpu(*src32);
1032         } else {
1033                 dst = (u32 *) &hw->tallies;
1034                 src16 = (u16 *) &inf->info.commtallies16;
1035                 for (i = 0; i < cnt; i++, dst++, src16++)
1036                         *dst += le16_to_cpu(*src16);
1037         }
1038
1039         return;
1040 }
1041
1042 /*----------------------------------------------------------------
1043 * prism2sta_inf_scanresults
1044 *
1045 * Handles the receipt of a Scan Results info frame.
1046 *
1047 * Arguments:
1048 *       wlandev         wlan device structure
1049 *       inf             ptr to info frame (contents in hfa384x order)
1050 *
1051 * Returns:
1052 *       nothing
1053 *
1054 * Side effects:
1055 *
1056 * Call context:
1057 *       interrupt
1058 ----------------------------------------------------------------*/
1059 static void prism2sta_inf_scanresults(wlandevice_t *wlandev,
1060                                       hfa384x_InfFrame_t *inf)
1061 {
1062
1063         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1064         int nbss;
1065         hfa384x_ScanResult_t *sr = &(inf->info.scanresult);
1066         int i;
1067         hfa384x_JoinRequest_data_t joinreq;
1068         int result;
1069
1070         /* Get the number of results, first in bytes, then in results */
1071         nbss = (inf->framelen * sizeof(u16)) -
1072             sizeof(inf->infotype) - sizeof(inf->info.scanresult.scanreason);
1073         nbss /= sizeof(hfa384x_ScanResultSub_t);
1074
1075         /* Print em */
1076         pr_debug("rx scanresults, reason=%d, nbss=%d:\n",
1077                  inf->info.scanresult.scanreason, nbss);
1078         for (i = 0; i < nbss; i++) {
1079                 pr_debug("chid=%d anl=%d sl=%d bcnint=%d\n",
1080                          sr->result[i].chid,
1081                          sr->result[i].anl,
1082                          sr->result[i].sl, sr->result[i].bcnint);
1083                 pr_debug("  capinfo=0x%04x proberesp_rate=%d\n",
1084                          sr->result[i].capinfo, sr->result[i].proberesp_rate);
1085         }
1086         /* issue a join request */
1087         joinreq.channel = sr->result[0].chid;
1088         memcpy(joinreq.bssid, sr->result[0].bssid, WLAN_BSSID_LEN);
1089         result = hfa384x_drvr_setconfig(hw,
1090                                         HFA384x_RID_JOINREQUEST,
1091                                         &joinreq, HFA384x_RID_JOINREQUEST_LEN);
1092         if (result) {
1093                 printk(KERN_ERR "setconfig(joinreq) failed, result=%d\n",
1094                        result);
1095         }
1096
1097         return;
1098 }
1099
1100 /*----------------------------------------------------------------
1101 * prism2sta_inf_hostscanresults
1102 *
1103 * Handles the receipt of a Scan Results info frame.
1104 *
1105 * Arguments:
1106 *       wlandev         wlan device structure
1107 *       inf             ptr to info frame (contents in hfa384x order)
1108 *
1109 * Returns:
1110 *       nothing
1111 *
1112 * Side effects:
1113 *
1114 * Call context:
1115 *       interrupt
1116 ----------------------------------------------------------------*/
1117 static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev,
1118                                           hfa384x_InfFrame_t *inf)
1119 {
1120         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1121         int nbss;
1122
1123         nbss = (inf->framelen - 3) / 32;
1124         pr_debug("Received %d hostscan results\n", nbss);
1125
1126         if (nbss > 32)
1127                 nbss = 32;
1128
1129         kfree(hw->scanresults);
1130
1131         hw->scanresults = kmalloc(sizeof(hfa384x_InfFrame_t), GFP_ATOMIC);
1132         memcpy(hw->scanresults, inf, sizeof(hfa384x_InfFrame_t));
1133
1134         if (nbss == 0)
1135                 nbss = -1;
1136
1137         /* Notify/wake the sleeping caller. */
1138         hw->scanflag = nbss;
1139         wake_up_interruptible(&hw->cmdq);
1140 };
1141
1142 /*----------------------------------------------------------------
1143 * prism2sta_inf_chinforesults
1144 *
1145 * Handles the receipt of a Channel Info Results info frame.
1146 *
1147 * Arguments:
1148 *       wlandev         wlan device structure
1149 *       inf             ptr to info frame (contents in hfa384x order)
1150 *
1151 * Returns:
1152 *       nothing
1153 *
1154 * Side effects:
1155 *
1156 * Call context:
1157 *       interrupt
1158 ----------------------------------------------------------------*/
1159 static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
1160                                         hfa384x_InfFrame_t *inf)
1161 {
1162         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1163         unsigned int i, n;
1164
1165         hw->channel_info.results.scanchannels =
1166             le16_to_cpu(inf->info.chinforesult.scanchannels);
1167
1168         for (i = 0, n = 0; i < HFA384x_CHINFORESULT_MAX; i++) {
1169                 if (hw->channel_info.results.scanchannels & (1 << i)) {
1170                         int channel =
1171                             le16_to_cpu(inf->info.chinforesult.result[n].chid) -
1172                             1;
1173                         hfa384x_ChInfoResultSub_t *chinforesult =
1174                             &hw->channel_info.results.result[channel];
1175                         chinforesult->chid = channel;
1176                         chinforesult->anl =
1177                             le16_to_cpu(inf->info.chinforesult.result[n].anl);
1178                         chinforesult->pnl =
1179                             le16_to_cpu(inf->info.chinforesult.result[n].pnl);
1180                         chinforesult->active =
1181                             le16_to_cpu(inf->info.chinforesult.result[n].
1182                                         active);
1183         pr_debug
1184                 ("chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
1185                              channel + 1,
1186                              chinforesult->
1187                              active & HFA384x_CHINFORESULT_BSSACTIVE ? "signal"
1188                              : "noise", chinforesult->anl, chinforesult->pnl,
1189                              chinforesult->
1190                              active & HFA384x_CHINFORESULT_PCFACTIVE ? 1 : 0);
1191                         n++;
1192                 }
1193         }
1194         atomic_set(&hw->channel_info.done, 2);
1195
1196         hw->channel_info.count = n;
1197         return;
1198 }
1199
1200 void prism2sta_processing_defer(struct work_struct *data)
1201 {
1202         hfa384x_t *hw = container_of(data, struct hfa384x, link_bh);
1203         wlandevice_t *wlandev = hw->wlandev;
1204         hfa384x_bytestr32_t ssid;
1205         int result;
1206
1207         /* First let's process the auth frames */
1208         {
1209                 struct sk_buff *skb;
1210                 hfa384x_InfFrame_t *inf;
1211
1212                 while ((skb = skb_dequeue(&hw->authq))) {
1213                         inf = (hfa384x_InfFrame_t *) skb->data;
1214                         prism2sta_inf_authreq_defer(wlandev, inf);
1215                 }
1216
1217         }
1218
1219         /* Now let's handle the linkstatus stuff */
1220         if (hw->link_status == hw->link_status_new)
1221                 goto failed;
1222
1223         hw->link_status = hw->link_status_new;
1224
1225         switch (hw->link_status) {
1226         case HFA384x_LINK_NOTCONNECTED:
1227                 /* I'm currently assuming that this is the initial link
1228                  * state.  It should only be possible immediately
1229                  * following an Enable command.
1230                  * Response:
1231                  * Block Transmits, Ignore receives of data frames
1232                  */
1233                 netif_carrier_off(wlandev->netdev);
1234
1235                 printk(KERN_INFO "linkstatus=NOTCONNECTED (unhandled)\n");
1236                 break;
1237
1238         case HFA384x_LINK_CONNECTED:
1239                 /* This one indicates a successful scan/join/auth/assoc.
1240                  * When we have the full MLME complement, this event will
1241                  * signify successful completion of both mlme_authenticate
1242                  * and mlme_associate.  State management will get a little
1243                  * ugly here.
1244                  * Response:
1245                  * Indicate authentication and/or association
1246                  * Enable Transmits, Receives and pass up data frames
1247                  */
1248
1249                 netif_carrier_on(wlandev->netdev);
1250
1251                 /* If we are joining a specific AP, set our
1252                  * state and reset retries
1253                  */
1254                 if (hw->join_ap == 1)
1255                         hw->join_ap = 2;
1256                 hw->join_retries = 60;
1257
1258                 /* Don't call this in monitor mode */
1259                 if (wlandev->netdev->type == ARPHRD_ETHER) {
1260                         u16 portstatus;
1261
1262                         printk(KERN_INFO "linkstatus=CONNECTED\n");
1263
1264                         /* For non-usb devices, we can use the sync versions */
1265                         /* Collect the BSSID, and set state to allow tx */
1266
1267                         result = hfa384x_drvr_getconfig(hw,
1268                                                 HFA384x_RID_CURRENTBSSID,
1269                                                 wlandev->bssid,
1270                                                 WLAN_BSSID_LEN);
1271                         if (result) {
1272                                 pr_debug
1273                                     ("getconfig(0x%02x) failed, result = %d\n",
1274                                      HFA384x_RID_CURRENTBSSID, result);
1275                                 goto failed;
1276                         }
1277
1278                         result = hfa384x_drvr_getconfig(hw,
1279                                                         HFA384x_RID_CURRENTSSID,
1280                                                         &ssid, sizeof(ssid));
1281                         if (result) {
1282                                 pr_debug
1283                                     ("getconfig(0x%02x) failed, result = %d\n",
1284                                      HFA384x_RID_CURRENTSSID, result);
1285                                 goto failed;
1286                         }
1287                         prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) &ssid,
1288                                                 (p80211pstrd_t *) &
1289                                                 wlandev->ssid);
1290
1291                         /* Collect the port status */
1292                         result = hfa384x_drvr_getconfig16(hw,
1293                                                         HFA384x_RID_PORTSTATUS,
1294                                                         &portstatus);
1295                         if (result) {
1296                                 pr_debug
1297                                     ("getconfig(0x%02x) failed, result = %d\n",
1298                                      HFA384x_RID_PORTSTATUS, result);
1299                                 goto failed;
1300                         }
1301                         wlandev->macmode =
1302                             (portstatus == HFA384x_PSTATUS_CONN_IBSS) ?
1303                             WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA;
1304
1305                         /* signal back up to cfg80211 layer */
1306                         prism2_connect_result(wlandev, P80211ENUM_truth_false);
1307
1308                         /* Get the ball rolling on the comms quality stuff */
1309                         prism2sta_commsqual_defer(&hw->commsqual_bh);
1310                 }
1311                 break;
1312
1313         case HFA384x_LINK_DISCONNECTED:
1314                 /* This one indicates that our association is gone.  We've
1315                  * lost connection with the AP and/or been disassociated.
1316                  * This indicates that the MAC has completely cleared it's
1317                  * associated state.  We * should send a deauth indication
1318                  * (implying disassoc) up * to the MLME.
1319                  * Response:
1320                  * Indicate Deauthentication
1321                  * Block Transmits, Ignore receives of data frames
1322                  */
1323                 if (wlandev->netdev->type == ARPHRD_ETHER)
1324                         printk(KERN_INFO
1325                                "linkstatus=DISCONNECTED (unhandled)\n");
1326                 wlandev->macmode = WLAN_MACMODE_NONE;
1327
1328                 netif_carrier_off(wlandev->netdev);
1329
1330                 /* signal back up to cfg80211 layer */
1331                 prism2_disconnected(wlandev);
1332
1333                 break;
1334
1335         case HFA384x_LINK_AP_CHANGE:
1336                 /* This one indicates that the MAC has decided to and
1337                  * successfully completed a change to another AP.  We
1338                  * should probably implement a reassociation indication
1339                  * in response to this one.  I'm thinking that the the
1340                  * p80211 layer needs to be notified in case of
1341                  * buffering/queueing issues.  User mode also needs to be
1342                  * notified so that any BSS dependent elements can be
1343                  * updated.
1344                  * associated state.  We * should send a deauth indication
1345                  * (implying disassoc) up * to the MLME.
1346                  * Response:
1347                  * Indicate Reassociation
1348                  * Enable Transmits, Receives and pass up data frames
1349                  */
1350                 printk(KERN_INFO "linkstatus=AP_CHANGE\n");
1351
1352                 result = hfa384x_drvr_getconfig(hw,
1353                                                 HFA384x_RID_CURRENTBSSID,
1354                                                 wlandev->bssid, WLAN_BSSID_LEN);
1355                 if (result) {
1356                         pr_debug("getconfig(0x%02x) failed, result = %d\n",
1357                                  HFA384x_RID_CURRENTBSSID, result);
1358                         goto failed;
1359                 }
1360
1361                 result = hfa384x_drvr_getconfig(hw,
1362                                                 HFA384x_RID_CURRENTSSID,
1363                                                 &ssid, sizeof(ssid));
1364                 if (result) {
1365                         pr_debug("getconfig(0x%02x) failed, result = %d\n",
1366                                  HFA384x_RID_CURRENTSSID, result);
1367                         goto failed;
1368                 }
1369                 prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) &ssid,
1370                                         (p80211pstrd_t *) &wlandev->ssid);
1371
1372                 hw->link_status = HFA384x_LINK_CONNECTED;
1373                 netif_carrier_on(wlandev->netdev);
1374
1375                 /* signal back up to cfg80211 layer */
1376                 prism2_roamed(wlandev);
1377
1378                 break;
1379
1380         case HFA384x_LINK_AP_OUTOFRANGE:
1381                 /* This one indicates that the MAC has decided that the
1382                  * AP is out of range, but hasn't found a better candidate
1383                  * so the MAC maintains its "associated" state in case
1384                  * we get back in range.  We should block transmits and
1385                  * receives in this state.  Do we need an indication here?
1386                  * Probably not since a polling user-mode element would
1387                  * get this status from from p2PortStatus(FD40). What about
1388                  * p80211?
1389                  * Response:
1390                  * Block Transmits, Ignore receives of data frames
1391                  */
1392                 printk(KERN_INFO "linkstatus=AP_OUTOFRANGE (unhandled)\n");
1393
1394                 netif_carrier_off(wlandev->netdev);
1395
1396                 break;
1397
1398         case HFA384x_LINK_AP_INRANGE:
1399                 /* This one indicates that the MAC has decided that the
1400                  * AP is back in range.  We continue working with our
1401                  * existing association.
1402                  * Response:
1403                  * Enable Transmits, Receives and pass up data frames
1404                  */
1405                 printk(KERN_INFO "linkstatus=AP_INRANGE\n");
1406
1407                 hw->link_status = HFA384x_LINK_CONNECTED;
1408                 netif_carrier_on(wlandev->netdev);
1409
1410                 break;
1411
1412         case HFA384x_LINK_ASSOCFAIL:
1413                 /* This one is actually a peer to CONNECTED.  We've
1414                  * requested a join for a given SSID and optionally BSSID.
1415                  * We can use this one to indicate authentication and
1416                  * association failures.  The trick is going to be
1417                  * 1) identifying the failure, and 2) state management.
1418                  * Response:
1419                  * Disable Transmits, Ignore receives of data frames
1420                  */
1421                 if (hw->join_ap && --hw->join_retries > 0) {
1422                         hfa384x_JoinRequest_data_t joinreq;
1423                         joinreq = hw->joinreq;
1424                         /* Send the join request */
1425                         hfa384x_drvr_setconfig(hw,
1426                                                HFA384x_RID_JOINREQUEST,
1427                                                &joinreq,
1428                                                HFA384x_RID_JOINREQUEST_LEN);
1429                         printk(KERN_INFO
1430                                "linkstatus=ASSOCFAIL (re-submitting join)\n");
1431                 } else {
1432                         printk(KERN_INFO "linkstatus=ASSOCFAIL (unhandled)\n");
1433                 }
1434
1435                 netif_carrier_off(wlandev->netdev);
1436
1437                 /* signal back up to cfg80211 layer */
1438                 prism2_connect_result(wlandev, P80211ENUM_truth_true);
1439
1440                 break;
1441
1442         default:
1443                 /* This is bad, IO port problems? */
1444                 printk(KERN_WARNING
1445                        "unknown linkstatus=0x%02x\n", hw->link_status);
1446                 goto failed;
1447                 break;
1448         }
1449
1450         wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED);
1451
1452 failed:
1453         return;
1454 }
1455
1456 /*----------------------------------------------------------------
1457 * prism2sta_inf_linkstatus
1458 *
1459 * Handles the receipt of a Link Status info frame.
1460 *
1461 * Arguments:
1462 *       wlandev         wlan device structure
1463 *       inf             ptr to info frame (contents in hfa384x order)
1464 *
1465 * Returns:
1466 *       nothing
1467 *
1468 * Side effects:
1469 *
1470 * Call context:
1471 *       interrupt
1472 ----------------------------------------------------------------*/
1473 static void prism2sta_inf_linkstatus(wlandevice_t *wlandev,
1474                                      hfa384x_InfFrame_t *inf)
1475 {
1476         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1477
1478         hw->link_status_new = le16_to_cpu(inf->info.linkstatus.linkstatus);
1479
1480         schedule_work(&hw->link_bh);
1481
1482         return;
1483 }
1484
1485 /*----------------------------------------------------------------
1486 * prism2sta_inf_assocstatus
1487 *
1488 * Handles the receipt of an Association Status info frame. Should
1489 * be present in APs only.
1490 *
1491 * Arguments:
1492 *       wlandev         wlan device structure
1493 *       inf             ptr to info frame (contents in hfa384x order)
1494 *
1495 * Returns:
1496 *       nothing
1497 *
1498 * Side effects:
1499 *
1500 * Call context:
1501 *       interrupt
1502 ----------------------------------------------------------------*/
1503 static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
1504                                       hfa384x_InfFrame_t *inf)
1505 {
1506         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1507         hfa384x_AssocStatus_t rec;
1508         int i;
1509
1510         memcpy(&rec, &inf->info.assocstatus, sizeof(rec));
1511         rec.assocstatus = le16_to_cpu(rec.assocstatus);
1512         rec.reason = le16_to_cpu(rec.reason);
1513
1514         /*
1515          ** Find the address in the list of authenticated stations.
1516          ** If it wasn't found, then this address has not been previously
1517          ** authenticated and something weird has happened if this is
1518          ** anything other than an "authentication failed" message.
1519          ** If the address was found, then set the "associated" flag for
1520          ** that station, based on whether the station is associating or
1521          ** losing its association.  Something weird has also happened
1522          ** if we find the address in the list of authenticated stations
1523          ** but we are getting an "authentication failed" message.
1524          */
1525
1526         for (i = 0; i < hw->authlist.cnt; i++)
1527                 if (memcmp(rec.sta_addr, hw->authlist.addr[i], ETH_ALEN) == 0)
1528                         break;
1529
1530         if (i >= hw->authlist.cnt) {
1531                 if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL)
1532                         printk(KERN_WARNING
1533         "assocstatus info frame received for non-authenticated station.\n");
1534         } else {
1535                 hw->authlist.assoc[i] =
1536                     (rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC ||
1537                      rec.assocstatus == HFA384x_ASSOCSTATUS_REASSOC);
1538
1539                 if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL)
1540                         printk(KERN_WARNING
1541 "authfail assocstatus info frame received for authenticated station.\n");
1542         }
1543
1544         return;
1545 }
1546
1547 /*----------------------------------------------------------------
1548 * prism2sta_inf_authreq
1549 *
1550 * Handles the receipt of an Authentication Request info frame. Should
1551 * be present in APs only.
1552 *
1553 * Arguments:
1554 *       wlandev         wlan device structure
1555 *       inf             ptr to info frame (contents in hfa384x order)
1556 *
1557 * Returns:
1558 *       nothing
1559 *
1560 * Side effects:
1561 *
1562 * Call context:
1563 *       interrupt
1564 *
1565 ----------------------------------------------------------------*/
1566 static void prism2sta_inf_authreq(wlandevice_t *wlandev,
1567                                   hfa384x_InfFrame_t *inf)
1568 {
1569         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1570         struct sk_buff *skb;
1571
1572         skb = dev_alloc_skb(sizeof(*inf));
1573         if (skb) {
1574                 skb_put(skb, sizeof(*inf));
1575                 memcpy(skb->data, inf, sizeof(*inf));
1576                 skb_queue_tail(&hw->authq, skb);
1577                 schedule_work(&hw->link_bh);
1578         }
1579 }
1580
1581 static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
1582                                         hfa384x_InfFrame_t *inf)
1583 {
1584         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1585         hfa384x_authenticateStation_data_t rec;
1586
1587         int i, added, result, cnt;
1588         u8 *addr;
1589
1590         /*
1591          ** Build the AuthenticateStation record.  Initialize it for denying
1592          ** authentication.
1593          */
1594
1595         memcpy(rec.address, inf->info.authreq.sta_addr, ETH_ALEN);
1596         rec.status = P80211ENUM_status_unspec_failure;
1597
1598         /*
1599          ** Authenticate based on the access mode.
1600          */
1601
1602         switch (hw->accessmode) {
1603         case WLAN_ACCESS_NONE:
1604
1605                 /*
1606                  ** Deny all new authentications.  However, if a station
1607                  ** is ALREADY authenticated, then accept it.
1608                  */
1609
1610                 for (i = 0; i < hw->authlist.cnt; i++)
1611                         if (memcmp(rec.address, hw->authlist.addr[i],
1612                                    ETH_ALEN) == 0) {
1613                                 rec.status = P80211ENUM_status_successful;
1614                                 break;
1615                         }
1616
1617                 break;
1618
1619         case WLAN_ACCESS_ALL:
1620
1621                 /*
1622                  ** Allow all authentications.
1623                  */
1624
1625                 rec.status = P80211ENUM_status_successful;
1626                 break;
1627
1628         case WLAN_ACCESS_ALLOW:
1629
1630                 /*
1631                  ** Only allow the authentication if the MAC address
1632                  ** is in the list of allowed addresses.
1633                  **
1634                  ** Since this is the interrupt handler, we may be here
1635                  ** while the access list is in the middle of being
1636                  ** updated.  Choose the list which is currently okay.
1637                  ** See "prism2mib_priv_accessallow()" for details.
1638                  */
1639
1640                 if (hw->allow.modify == 0) {
1641                         cnt = hw->allow.cnt;
1642                         addr = hw->allow.addr[0];
1643                 } else {
1644                         cnt = hw->allow.cnt1;
1645                         addr = hw->allow.addr1[0];
1646                 }
1647
1648                 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1649                         if (memcmp(rec.address, addr, ETH_ALEN) == 0) {
1650                                 rec.status = P80211ENUM_status_successful;
1651                                 break;
1652                         }
1653
1654                 break;
1655
1656         case WLAN_ACCESS_DENY:
1657
1658                 /*
1659                  ** Allow the authentication UNLESS the MAC address is
1660                  ** in the list of denied addresses.
1661                  **
1662                  ** Since this is the interrupt handler, we may be here
1663                  ** while the access list is in the middle of being
1664                  ** updated.  Choose the list which is currently okay.
1665                  ** See "prism2mib_priv_accessdeny()" for details.
1666                  */
1667
1668                 if (hw->deny.modify == 0) {
1669                         cnt = hw->deny.cnt;
1670                         addr = hw->deny.addr[0];
1671                 } else {
1672                         cnt = hw->deny.cnt1;
1673                         addr = hw->deny.addr1[0];
1674                 }
1675
1676                 rec.status = P80211ENUM_status_successful;
1677
1678                 for (i = 0; i < cnt; i++, addr += ETH_ALEN)
1679                         if (memcmp(rec.address, addr, ETH_ALEN) == 0) {
1680                                 rec.status = P80211ENUM_status_unspec_failure;
1681                                 break;
1682                         }
1683
1684                 break;
1685         }
1686
1687         /*
1688          ** If the authentication is okay, then add the MAC address to the
1689          ** list of authenticated stations.  Don't add the address if it
1690          ** is already in the list. (802.11b does not seem to disallow
1691          ** a station from issuing an authentication request when the
1692          ** station is already authenticated. Does this sort of thing
1693          ** ever happen?  We might as well do the check just in case.)
1694          */
1695
1696         added = 0;
1697
1698         if (rec.status == P80211ENUM_status_successful) {
1699                 for (i = 0; i < hw->authlist.cnt; i++)
1700                         if (memcmp(rec.address, hw->authlist.addr[i], ETH_ALEN)
1701                             == 0)
1702                                 break;
1703
1704                 if (i >= hw->authlist.cnt) {
1705                         if (hw->authlist.cnt >= WLAN_AUTH_MAX) {
1706                                 rec.status = P80211ENUM_status_ap_full;
1707                         } else {
1708                                 memcpy(hw->authlist.addr[hw->authlist.cnt],
1709                                        rec.address, ETH_ALEN);
1710                                 hw->authlist.cnt++;
1711                                 added = 1;
1712                         }
1713                 }
1714         }
1715
1716         /*
1717          ** Send back the results of the authentication.  If this doesn't work,
1718          ** then make sure to remove the address from the authenticated list if
1719          ** it was added.
1720          */
1721
1722         rec.status = cpu_to_le16(rec.status);
1723         rec.algorithm = inf->info.authreq.algorithm;
1724
1725         result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA,
1726                                         &rec, sizeof(rec));
1727         if (result) {
1728                 if (added)
1729                         hw->authlist.cnt--;
1730                 printk(KERN_ERR
1731                        "setconfig(authenticatestation) failed, result=%d\n",
1732                        result);
1733         }
1734         return;
1735 }
1736
1737 /*----------------------------------------------------------------
1738 * prism2sta_inf_psusercnt
1739 *
1740 * Handles the receipt of a PowerSaveUserCount info frame. Should
1741 * be present in APs only.
1742 *
1743 * Arguments:
1744 *       wlandev         wlan device structure
1745 *       inf             ptr to info frame (contents in hfa384x order)
1746 *
1747 * Returns:
1748 *       nothing
1749 *
1750 * Side effects:
1751 *
1752 * Call context:
1753 *       interrupt
1754 ----------------------------------------------------------------*/
1755 static void prism2sta_inf_psusercnt(wlandevice_t *wlandev,
1756                                     hfa384x_InfFrame_t *inf)
1757 {
1758         hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
1759
1760         hw->psusercount = le16_to_cpu(inf->info.psusercnt.usercnt);
1761
1762         return;
1763 }
1764
1765 /*----------------------------------------------------------------
1766 * prism2sta_ev_info
1767 *
1768 * Handles the Info event.
1769 *
1770 * Arguments:
1771 *       wlandev         wlan device structure
1772 *       inf             ptr to a generic info frame
1773 *
1774 * Returns:
1775 *       nothing
1776 *
1777 * Side effects:
1778 *
1779 * Call context:
1780 *       interrupt
1781 ----------------------------------------------------------------*/
1782 void prism2sta_ev_info(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf)
1783 {
1784         inf->infotype = le16_to_cpu(inf->infotype);
1785         /* Dispatch */
1786         switch (inf->infotype) {
1787         case HFA384x_IT_HANDOVERADDR:
1788                 prism2sta_inf_handover(wlandev, inf);
1789                 break;
1790         case HFA384x_IT_COMMTALLIES:
1791                 prism2sta_inf_tallies(wlandev, inf);
1792                 break;
1793         case HFA384x_IT_HOSTSCANRESULTS:
1794                 prism2sta_inf_hostscanresults(wlandev, inf);
1795                 break;
1796         case HFA384x_IT_SCANRESULTS:
1797                 prism2sta_inf_scanresults(wlandev, inf);
1798                 break;
1799         case HFA384x_IT_CHINFORESULTS:
1800                 prism2sta_inf_chinforesults(wlandev, inf);
1801                 break;
1802         case HFA384x_IT_LINKSTATUS:
1803                 prism2sta_inf_linkstatus(wlandev, inf);
1804                 break;
1805         case HFA384x_IT_ASSOCSTATUS:
1806                 prism2sta_inf_assocstatus(wlandev, inf);
1807                 break;
1808         case HFA384x_IT_AUTHREQ:
1809                 prism2sta_inf_authreq(wlandev, inf);
1810                 break;
1811         case HFA384x_IT_PSUSERCNT:
1812                 prism2sta_inf_psusercnt(wlandev, inf);
1813                 break;
1814         case HFA384x_IT_KEYIDCHANGED:
1815                 printk(KERN_WARNING "Unhandled IT_KEYIDCHANGED\n");
1816                 break;
1817         case HFA384x_IT_ASSOCREQ:
1818                 printk(KERN_WARNING "Unhandled IT_ASSOCREQ\n");
1819                 break;
1820         case HFA384x_IT_MICFAILURE:
1821                 printk(KERN_WARNING "Unhandled IT_MICFAILURE\n");
1822                 break;
1823         default:
1824                 printk(KERN_WARNING
1825                        "Unknown info type=0x%02x\n", inf->infotype);
1826                 break;
1827         }
1828         return;
1829 }
1830
1831 /*----------------------------------------------------------------
1832 * prism2sta_ev_txexc
1833 *
1834 * Handles the TxExc event.  A Transmit Exception event indicates
1835 * that the MAC's TX process was unsuccessful - so the packet did
1836 * not get transmitted.
1837 *
1838 * Arguments:
1839 *       wlandev         wlan device structure
1840 *       status          tx frame status word
1841 *
1842 * Returns:
1843 *       nothing
1844 *
1845 * Side effects:
1846 *
1847 * Call context:
1848 *       interrupt
1849 ----------------------------------------------------------------*/
1850 void prism2sta_ev_txexc(wlandevice_t *wlandev, u16 status)
1851 {
1852         pr_debug("TxExc status=0x%x.\n", status);
1853
1854         return;
1855 }
1856
1857 /*----------------------------------------------------------------
1858 * prism2sta_ev_tx
1859 *
1860 * Handles the Tx event.
1861 *
1862 * Arguments:
1863 *       wlandev         wlan device structure
1864 *       status          tx frame status word
1865 * Returns:
1866 *       nothing
1867 *
1868 * Side effects:
1869 *
1870 * Call context:
1871 *       interrupt
1872 ----------------------------------------------------------------*/
1873 void prism2sta_ev_tx(wlandevice_t *wlandev, u16 status)
1874 {
1875         pr_debug("Tx Complete, status=0x%04x\n", status);
1876         /* update linux network stats */
1877         wlandev->linux_stats.tx_packets++;
1878         return;
1879 }
1880
1881 /*----------------------------------------------------------------
1882 * prism2sta_ev_rx
1883 *
1884 * Handles the Rx 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_rx(wlandevice_t *wlandev, struct sk_buff *skb)
1898 {
1899         p80211netdev_rx(wlandev, skb);
1900         return;
1901 }
1902
1903 /*----------------------------------------------------------------
1904 * prism2sta_ev_alloc
1905 *
1906 * Handles the Alloc event.
1907 *
1908 * Arguments:
1909 *       wlandev         wlan device structure
1910 *
1911 * Returns:
1912 *       nothing
1913 *
1914 * Side effects:
1915 *
1916 * Call context:
1917 *       interrupt
1918 ----------------------------------------------------------------*/
1919 void prism2sta_ev_alloc(wlandevice_t *wlandev)
1920 {
1921         netif_wake_queue(wlandev->netdev);
1922         return;
1923 }
1924
1925 /*----------------------------------------------------------------
1926 * create_wlan
1927 *
1928 * Called at module init time.  This creates the wlandevice_t structure
1929 * and initializes it with relevant bits.
1930 *
1931 * Arguments:
1932 *       none
1933 *
1934 * Returns:
1935 *       the created wlandevice_t structure.
1936 *
1937 * Side effects:
1938 *       also allocates the priv/hw structures.
1939 *
1940 * Call context:
1941 *       process thread
1942 *
1943 ----------------------------------------------------------------*/
1944 static wlandevice_t *create_wlan(void)
1945 {
1946         wlandevice_t *wlandev = NULL;
1947         hfa384x_t *hw = NULL;
1948
1949         /* Alloc our structures */
1950         wlandev = kmalloc(sizeof(wlandevice_t), GFP_KERNEL);
1951         hw = kmalloc(sizeof(hfa384x_t), GFP_KERNEL);
1952
1953         if (!wlandev || !hw) {
1954                 printk(KERN_ERR "%s: Memory allocation failure.\n", dev_info);
1955                 kfree(wlandev);
1956                 kfree(hw);
1957                 return NULL;
1958         }
1959
1960         /* Clear all the structs */
1961         memset(wlandev, 0, sizeof(wlandevice_t));
1962         memset(hw, 0, sizeof(hfa384x_t));
1963
1964         /* Initialize the network device object. */
1965         wlandev->nsdname = dev_info;
1966         wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
1967         wlandev->priv = hw;
1968         wlandev->open = prism2sta_open;
1969         wlandev->close = prism2sta_close;
1970         wlandev->reset = prism2sta_reset;
1971         wlandev->txframe = prism2sta_txframe;
1972         wlandev->mlmerequest = prism2sta_mlmerequest;
1973         wlandev->set_multicast_list = prism2sta_setmulticast;
1974         wlandev->tx_timeout = hfa384x_tx_timeout;
1975
1976         wlandev->nsdcaps = P80211_NSDCAP_HWFRAGMENT | P80211_NSDCAP_AUTOJOIN;
1977
1978         /* Initialize the device private data structure. */
1979         hw->dot11_desired_bss_type = 1;
1980
1981         return wlandev;
1982 }
1983
1984 void prism2sta_commsqual_defer(struct work_struct *data)
1985 {
1986         hfa384x_t *hw = container_of(data, struct hfa384x, commsqual_bh);
1987         wlandevice_t *wlandev = hw->wlandev;
1988         hfa384x_bytestr32_t ssid;
1989         struct p80211msg_dot11req_mibget msg;
1990         p80211item_uint32_t *mibitem = (p80211item_uint32_t *)
1991                                                 &msg.mibattribute.data;
1992         int result = 0;
1993
1994         if (hw->wlandev->hwremoved)
1995                 goto done;
1996
1997         /* we don't care if we're in AP mode */
1998         if ((wlandev->macmode == WLAN_MACMODE_NONE) ||
1999             (wlandev->macmode == WLAN_MACMODE_ESS_AP)) {
2000                 goto done;
2001         }
2002
2003         /* It only makes sense to poll these in non-IBSS */
2004         if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) {
2005                 result = hfa384x_drvr_getconfig(
2006                                 hw, HFA384x_RID_DBMCOMMSQUALITY,
2007                                 &hw->qual, HFA384x_RID_DBMCOMMSQUALITY_LEN);
2008
2009                 if (result) {
2010                         printk(KERN_ERR "error fetching commsqual\n");
2011                         goto done;
2012                 }
2013
2014                 pr_debug("commsqual %d %d %d\n",
2015                          le16_to_cpu(hw->qual.CQ_currBSS),
2016                          le16_to_cpu(hw->qual.ASL_currBSS),
2017                          le16_to_cpu(hw->qual.ANL_currFC));
2018         }
2019
2020         /* Get the signal rate */
2021         msg.msgcode = DIDmsg_dot11req_mibget;
2022         mibitem->did = DIDmib_p2_p2MAC_p2CurrentTxRate;
2023         result = p80211req_dorequest(wlandev, (u8 *) &msg);
2024
2025         if (result) {
2026                 pr_debug("get signal rate failed, result = %d\n",
2027                          result);
2028                 goto done;
2029         }
2030
2031         switch (mibitem->data) {
2032         case HFA384x_RATEBIT_1:
2033                 hw->txrate = 10;
2034                 break;
2035         case HFA384x_RATEBIT_2:
2036                 hw->txrate = 20;
2037                 break;
2038         case HFA384x_RATEBIT_5dot5:
2039                 hw->txrate = 55;
2040                 break;
2041         case HFA384x_RATEBIT_11:
2042                 hw->txrate = 110;
2043                 break;
2044         default:
2045                 pr_debug("Bad ratebit (%d)\n", mibitem->data);
2046         }
2047
2048         /* Lastly, we need to make sure the BSSID didn't change on us */
2049         result = hfa384x_drvr_getconfig(hw,
2050                                         HFA384x_RID_CURRENTBSSID,
2051                                         wlandev->bssid, WLAN_BSSID_LEN);
2052         if (result) {
2053                 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2054                          HFA384x_RID_CURRENTBSSID, result);
2055                 goto done;
2056         }
2057
2058         result = hfa384x_drvr_getconfig(hw,
2059                                         HFA384x_RID_CURRENTSSID,
2060                                         &ssid, sizeof(ssid));
2061         if (result) {
2062                 pr_debug("getconfig(0x%02x) failed, result = %d\n",
2063                          HFA384x_RID_CURRENTSSID, result);
2064                 goto done;
2065         }
2066         prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) &ssid,
2067                                 (p80211pstrd_t *) &wlandev->ssid);
2068
2069         /* Reschedule timer */
2070         mod_timer(&hw->commsqual_timer, jiffies + HZ);
2071
2072 done:
2073         ;
2074 }
2075
2076 void prism2sta_commsqual_timer(unsigned long data)
2077 {
2078         hfa384x_t *hw = (hfa384x_t *) data;
2079
2080         schedule_work(&hw->commsqual_bh);
2081 }