drivers/staging/wlan-ng/prism2mib.c

   1 /* src/prism2/driver/prism2mib.c
   2 *
   3 * Management request for mibset/mibget
   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 * The functions in this file handle the mibset/mibget management
  48 * functions.
  49 *
  50 * --------------------------------------------------------------------
  51 */
  52
  53 #include <linux/module.h>
  54 #include <linux/kernel.h>
  55 #include <linux/sched.h>
  56 #include <linux/types.h>
  57 #include <linux/slab.h>
  58 #include <linux/wireless.h>
  59 #include <linux/netdevice.h>
  60 #include <linux/io.h>
  61 #include <linux/delay.h>
  62 #include <asm/byteorder.h>
  63 #include <linux/usb.h>
  64 #include <linux/bitops.h>
  65
  66 #include "p80211types.h"
  67 #include "p80211hdr.h"
  68 #include "p80211mgmt.h"
  69 #include "p80211conv.h"
  70 #include "p80211msg.h"
  71 #include "p80211netdev.h"
  72 #include "p80211metadef.h"
  73 #include "p80211metastruct.h"
  74 #include "hfa384x.h"
  75 #include "prism2mgmt.h"
  76
  77 #define MIB_TMP_MAXLEN    200   /* Max length of RID record (in bytes). */
  78
  79 #define  F_STA        0x1       /* MIB is supported on stations. */
  80 #define  F_READ       0x2       /* MIB may be read. */
  81 #define  F_WRITE      0x4       /* MIB may be written. */
  82
  83 typedef struct mibrec {
  84         u32 did;
  85         u16 flag;
  86         u16 parm1;
  87         u16 parm2;
  88         u16 parm3;
  89         int (*func) (struct mibrec *mib,
  90                      int isget,
  91                      wlandevice_t *wlandev,
  92                      hfa384x_t *hw,
  93                      p80211msg_dot11req_mibset_t *msg, void *data);
  94 } mibrec_t;
  95
  96 static int prism2mib_bytearea2pstr(mibrec_t *mib,
  97                                    int isget,
  98                                    wlandevice_t *wlandev,
  99                                    hfa384x_t *hw,
 100                                    p80211msg_dot11req_mibset_t *msg,
 101                                    void *data);
 102
 103 static int prism2mib_uint32(mibrec_t *mib,
 104                             int isget,
 105                             wlandevice_t *wlandev,
 106                             hfa384x_t *hw,
 107                             p80211msg_dot11req_mibset_t *msg, void *data);
 108
 109 static int prism2mib_flag(mibrec_t *mib,
 110                           int isget,
 111                           wlandevice_t *wlandev,
 112                           hfa384x_t *hw,
 113                           p80211msg_dot11req_mibset_t *msg, void *data);
 114
 115 static int prism2mib_wepdefaultkey(mibrec_t *mib,
 116                                    int isget,
 117                                    wlandevice_t *wlandev,
 118                                    hfa384x_t *hw,
 119                                    p80211msg_dot11req_mibset_t *msg,
 120                                    void *data);
 121
 122 static int prism2mib_privacyinvoked(mibrec_t *mib,
 123                                     int isget,
 124                                     wlandevice_t *wlandev,
 125                                     hfa384x_t *hw,
 126                                     p80211msg_dot11req_mibset_t *msg,
 127                                     void *data);
 128
 129 static int prism2mib_excludeunencrypted(mibrec_t *mib,
 130                                         int isget,
 131                                         wlandevice_t *wlandev,
 132                                         hfa384x_t *hw,
 133                                         p80211msg_dot11req_mibset_t *msg,
 134                                         void *data);
 135
 136 static int prism2mib_fragmentationthreshold(mibrec_t *mib,
 137                                             int isget,
 138                                             wlandevice_t *wlandev,
 139                                             hfa384x_t *hw,
 140                                             p80211msg_dot11req_mibset_t *msg,
 141                                             void *data);
 142
 143 static int prism2mib_priv(mibrec_t *mib,
 144                           int isget,
 145                           wlandevice_t *wlandev,
 146                           hfa384x_t *hw,
 147                           p80211msg_dot11req_mibset_t *msg, void *data);
 148
 149 static mibrec_t mibtab[] = {
 150
 151         /* dot11smt MIB's */
 152         {DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0,
 153          F_STA | F_WRITE,
 154          HFA384x_RID_CNFWEPDEFAULTKEY0, 0, 0,
 155          prism2mib_wepdefaultkey},
 156         {DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1,
 157          F_STA | F_WRITE,
 158          HFA384x_RID_CNFWEPDEFAULTKEY1, 0, 0,
 159          prism2mib_wepdefaultkey},
 160         {DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2,
 161          F_STA | F_WRITE,
 162          HFA384x_RID_CNFWEPDEFAULTKEY2, 0, 0,
 163          prism2mib_wepdefaultkey},
 164         {DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3,
 165          F_STA | F_WRITE,
 166          HFA384x_RID_CNFWEPDEFAULTKEY3, 0, 0,
 167          prism2mib_wepdefaultkey},
 168         {DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked,
 169          F_STA | F_READ | F_WRITE,
 170          HFA384x_RID_CNFWEPFLAGS, HFA384x_WEPFLAGS_PRIVINVOKED, 0,
 171          prism2mib_privacyinvoked},
 172         {DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
 173          F_STA | F_READ | F_WRITE,
 174          HFA384x_RID_CNFWEPDEFAULTKEYID, 0, 0,
 175          prism2mib_uint32},
 176         {DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted,
 177          F_STA | F_READ | F_WRITE,
 178          HFA384x_RID_CNFWEPFLAGS, HFA384x_WEPFLAGS_EXCLUDE, 0,
 179          prism2mib_excludeunencrypted},
 180
 181         /* dot11mac MIB's */
 182
 183         {DIDmib_dot11mac_dot11OperationTable_dot11MACAddress,
 184          F_STA | F_READ | F_WRITE,
 185          HFA384x_RID_CNFOWNMACADDR, HFA384x_RID_CNFOWNMACADDR_LEN, 0,
 186          prism2mib_bytearea2pstr},
 187         {DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold,
 188          F_STA | F_READ | F_WRITE,
 189          HFA384x_RID_RTSTHRESH, 0, 0,
 190          prism2mib_uint32},
 191         {DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit,
 192          F_STA | F_READ,
 193          HFA384x_RID_SHORTRETRYLIMIT, 0, 0,
 194          prism2mib_uint32},
 195         {DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit,
 196          F_STA | F_READ,
 197          HFA384x_RID_LONGRETRYLIMIT, 0, 0,
 198          prism2mib_uint32},
 199         {DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold,
 200          F_STA | F_READ | F_WRITE,
 201          HFA384x_RID_FRAGTHRESH, 0, 0,
 202          prism2mib_fragmentationthreshold},
 203         {DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime,
 204          F_STA | F_READ,
 205          HFA384x_RID_MAXTXLIFETIME, 0, 0,
 206          prism2mib_uint32},
 207
 208         /* dot11phy MIB's */
 209
 210         {DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel,
 211          F_STA | F_READ,
 212          HFA384x_RID_CURRENTCHANNEL, 0, 0,
 213          prism2mib_uint32},
 214         {DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel,
 215          F_STA | F_READ | F_WRITE,
 216          HFA384x_RID_TXPOWERMAX, 0, 0,
 217          prism2mib_uint32},
 218
 219         /* p2Static MIB's */
 220
 221         {DIDmib_p2_p2Static_p2CnfPortType,
 222          F_STA | F_READ | F_WRITE,
 223          HFA384x_RID_CNFPORTTYPE, 0, 0,
 224          prism2mib_uint32},
 225
 226         /* p2MAC MIB's */
 227
 228         {DIDmib_p2_p2MAC_p2CurrentTxRate,
 229          F_STA | F_READ,
 230          HFA384x_RID_CURRENTTXRATE, 0, 0,
 231          prism2mib_uint32},
 232
 233         /* And finally, lnx mibs */
 234         {DIDmib_lnx_lnxConfigTable_lnxRSNAIE,
 235          F_STA | F_READ | F_WRITE,
 236          HFA384x_RID_CNFWPADATA, 0, 0,
 237          prism2mib_priv},
 238         {0, 0, 0, 0, 0, NULL}
 239 };
 240
 241 /*----------------------------------------------------------------
 242 * prism2mgmt_mibset_mibget
 243 *
 244 * Set the value of a mib item.
 245 *
 246 * Arguments:
 247 *       wlandev         wlan device structure
 248 *       msgp            ptr to msg buffer
 249 *
 250 * Returns:
 251 *       0       success and done
 252 *       <0      success, but we're waiting for something to finish.
 253 *       >0      an error occurred while handling the message.
 254 * Side effects:
 255 *
 256 * Call context:
 257 *       process thread  (usually)
 258 *       interrupt
 259 ----------------------------------------------------------------*/
 260
 261 int prism2mgmt_mibset_mibget(wlandevice_t *wlandev, void *msgp)
 262 {
 263         hfa384x_t *hw = wlandev->priv;
 264         int result, isget;
 265         mibrec_t *mib;
 266
 267         u16 which;
 268
 269         p80211msg_dot11req_mibset_t *msg = msgp;
 270         p80211itemd_t *mibitem;
 271
 272         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 273         msg->resultcode.data = P80211ENUM_resultcode_success;
 274
 275         /*
 276          ** Determine if this is an Access Point or a station.
 277          */
 278
 279         which = F_STA;
 280
 281         /*
 282          ** Find the MIB in the MIB table.  Note that a MIB may be in the
 283          ** table twice...once for an AP and once for a station.  Make sure
 284          ** to get the correct one.  Note that DID=0 marks the end of the
 285          ** MIB table.
 286          */
 287
 288         mibitem = (p80211itemd_t *) msg->mibattribute.data;
 289
 290         for (mib = mibtab; mib->did != 0; mib++)
 291                 if (mib->did == mibitem->did && (mib->flag & which))
 292                         break;
 293
 294         if (mib->did == 0) {
 295                 msg->resultcode.data = P80211ENUM_resultcode_not_supported;
 296                 goto done;
 297         }
 298
 299         /*
 300          ** Determine if this is a "mibget" or a "mibset".  If this is a
 301          ** "mibget", then make sure that the MIB may be read.  Otherwise,
 302          ** this is a "mibset" so make make sure that the MIB may be written.
 303          */
 304
 305         isget = (msg->msgcode == DIDmsg_dot11req_mibget);
 306
 307         if (isget) {
 308                 if (!(mib->flag & F_READ)) {
 309                         msg->resultcode.data =
 310                             P80211ENUM_resultcode_cant_get_writeonly_mib;
 311                         goto done;
 312                 }
 313         } else {
 314                 if (!(mib->flag & F_WRITE)) {
 315                         msg->resultcode.data =
 316                             P80211ENUM_resultcode_cant_set_readonly_mib;
 317                         goto done;
 318                 }
 319         }
 320
 321         /*
 322          ** Execute the MIB function.  If things worked okay, then make
 323          ** sure that the MIB function also worked okay.  If so, and this
 324          ** is a "mibget", then the status value must be set for both the
 325          ** "mibattribute" parameter and the mib item within the data
 326          ** portion of the "mibattribute".
 327          */
 328
 329         result = mib->func(mib, isget, wlandev, hw, msg, (void *)mibitem->data);
 330
 331         if (msg->resultcode.data == P80211ENUM_resultcode_success) {
 332                 if (result != 0) {
 333                         pr_debug("get/set failure, result=%d\n", result);
 334                         msg->resultcode.data =
 335                             P80211ENUM_resultcode_implementation_failure;
 336                 } else {
 337                         if (isget) {
 338                                 msg->mibattribute.status =
 339                                     P80211ENUM_msgitem_status_data_ok;
 340                                 mibitem->status =
 341                                     P80211ENUM_msgitem_status_data_ok;
 342                         }
 343                 }
 344         }
 345
 346 done:
 347         return 0;
 348 }
 349
 350 /*----------------------------------------------------------------
 351 * prism2mib_bytearea2pstr
 352 *
 353 * Get/set pstr data to/from a byte area.
 354 *
 355 * MIB record parameters:
 356 *       parm1    Prism2 RID value.
 357 *       parm2    Number of bytes of RID data.
 358 *       parm3    Not used.
 359 *
 360 * Arguments:
 361 *       mib      MIB record.
 362 *       isget    MIBGET/MIBSET flag.
 363 *       wlandev  wlan device structure.
 364 *       priv     "priv" structure.
 365 *       hw       "hw" structure.
 366 *       msg      Message structure.
 367 *       data     Data buffer.
 368 *
 369 * Returns:
 370 *       0   - Success.
 371 *       ~0  - Error.
 372 *
 373 ----------------------------------------------------------------*/
 374
 375 static int prism2mib_bytearea2pstr(mibrec_t *mib,
 376                                    int isget,
 377                                    wlandevice_t *wlandev,
 378                                    hfa384x_t *hw,
 379                                    p80211msg_dot11req_mibset_t *msg,
 380                                    void *data)
 381 {
 382         int result;
 383         p80211pstrd_t *pstr = (p80211pstrd_t *) data;
 384         u8 bytebuf[MIB_TMP_MAXLEN];
 385
 386         if (isget) {
 387                 result =
 388                     hfa384x_drvr_getconfig(hw, mib->parm1, bytebuf, mib->parm2);
 389                 prism2mgmt_bytearea2pstr(bytebuf, pstr, mib->parm2);
 390         } else {
 391                 memset(bytebuf, 0, mib->parm2);
 392                 prism2mgmt_pstr2bytearea(bytebuf, pstr);
 393                 result =
 394                     hfa384x_drvr_setconfig(hw, mib->parm1, bytebuf, mib->parm2);
 395         }
 396
 397         return result;
 398 }
 399
 400 /*----------------------------------------------------------------
 401 * prism2mib_uint32
 402 *
 403 * Get/set uint32 data.
 404 *
 405 * MIB record parameters:
 406 *       parm1    Prism2 RID value.
 407 *       parm2    Not used.
 408 *       parm3    Not used.
 409 *
 410 * Arguments:
 411 *       mib      MIB record.
 412 *       isget    MIBGET/MIBSET flag.
 413 *       wlandev  wlan device structure.
 414 *       priv     "priv" structure.
 415 *       hw       "hw" structure.
 416 *       msg      Message structure.
 417 *       data     Data buffer.
 418 *
 419 * Returns:
 420 *       0   - Success.
 421 *       ~0  - Error.
 422 *
 423 ----------------------------------------------------------------*/
 424
 425 static int prism2mib_uint32(mibrec_t *mib,
 426                             int isget,
 427                             wlandevice_t *wlandev,
 428                             hfa384x_t *hw,
 429                             p80211msg_dot11req_mibset_t *msg, void *data)
 430 {
 431         int result;
 432         u32 *uint32 = (u32 *) data;
 433         u8 bytebuf[MIB_TMP_MAXLEN];
 434         u16 *wordbuf = (u16 *) bytebuf;
 435
 436         if (isget) {
 437                 result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
 438                 *uint32 = *wordbuf;
 439         } else {
 440                 *wordbuf = *uint32;
 441                 result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
 442         }
 443
 444         return result;
 445 }
 446
 447 /*----------------------------------------------------------------
 448 * prism2mib_flag
 449 *
 450 * Get/set a flag.
 451 *
 452 * MIB record parameters:
 453 *       parm1    Prism2 RID value.
 454 *       parm2    Bit to get/set.
 455 *       parm3    Not used.
 456 *
 457 * Arguments:
 458 *       mib      MIB record.
 459 *       isget    MIBGET/MIBSET flag.
 460 *       wlandev  wlan device structure.
 461 *       priv     "priv" structure.
 462 *       hw       "hw" structure.
 463 *       msg      Message structure.
 464 *       data     Data buffer.
 465 *
 466 * Returns:
 467 *       0   - Success.
 468 *       ~0  - Error.
 469 *
 470 ----------------------------------------------------------------*/
 471
 472 static int prism2mib_flag(mibrec_t *mib,
 473                           int isget,
 474                           wlandevice_t *wlandev,
 475                           hfa384x_t *hw,
 476                           p80211msg_dot11req_mibset_t *msg, void *data)
 477 {
 478         int result;
 479         u32 *uint32 = (u32 *) data;
 480         u8 bytebuf[MIB_TMP_MAXLEN];
 481         u16 *wordbuf = (u16 *) bytebuf;
 482         u32 flags;
 483
 484         result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
 485         if (result == 0) {
 486                 flags = *wordbuf;
 487                 if (isget) {
 488                         *uint32 = (flags & mib->parm2) ?
 489                             P80211ENUM_truth_true : P80211ENUM_truth_false;
 490                 } else {
 491                         if ((*uint32) == P80211ENUM_truth_true)
 492                                 flags |= mib->parm2;
 493                         else
 494                                 flags &= ~mib->parm2;
 495                         *wordbuf = flags;
 496                         result =
 497                             hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
 498                 }
 499         }
 500
 501         return result;
 502 }
 503
 504 /*----------------------------------------------------------------
 505 * prism2mib_wepdefaultkey
 506 *
 507 * Get/set WEP default keys.
 508 *
 509 * MIB record parameters:
 510 *       parm1    Prism2 RID value.
 511 *       parm2    Number of bytes of RID data.
 512 *       parm3    Not used.
 513 *
 514 * Arguments:
 515 *       mib      MIB record.
 516 *       isget    MIBGET/MIBSET flag.
 517 *       wlandev  wlan device structure.
 518 *       priv     "priv" structure.
 519 *       hw       "hw" structure.
 520 *       msg      Message structure.
 521 *       data     Data buffer.
 522 *
 523 * Returns:
 524 *       0   - Success.
 525 *       ~0  - Error.
 526 *
 527 ----------------------------------------------------------------*/
 528
 529 static int prism2mib_wepdefaultkey(mibrec_t *mib,
 530                                    int isget,
 531                                    wlandevice_t *wlandev,
 532                                    hfa384x_t *hw,
 533                                    p80211msg_dot11req_mibset_t *msg,
 534                                    void *data)
 535 {
 536         int result;
 537         p80211pstrd_t *pstr = (p80211pstrd_t *) data;
 538         u8 bytebuf[MIB_TMP_MAXLEN];
 539         u16 len;
 540
 541         if (isget) {
 542                 result = 0;     /* Should never happen. */
 543         } else {
 544                 len = (pstr->len > 5) ? HFA384x_RID_CNFWEP128DEFAULTKEY_LEN :
 545                     HFA384x_RID_CNFWEPDEFAULTKEY_LEN;
 546                 memset(bytebuf, 0, len);
 547                 prism2mgmt_pstr2bytearea(bytebuf, pstr);
 548                 result = hfa384x_drvr_setconfig(hw, mib->parm1, bytebuf, len);
 549         }
 550
 551         return result;
 552 }
 553
 554 /*----------------------------------------------------------------
 555 * prism2mib_privacyinvoked
 556 *
 557 * Get/set the dot11PrivacyInvoked value.
 558 *
 559 * MIB record parameters:
 560 *       parm1    Prism2 RID value.
 561 *       parm2    Bit value for PrivacyInvoked flag.
 562 *       parm3    Not used.
 563 *
 564 * Arguments:
 565 *       mib      MIB record.
 566 *       isget    MIBGET/MIBSET flag.
 567 *       wlandev  wlan device structure.
 568 *       priv     "priv" structure.
 569 *       hw       "hw" structure.
 570 *       msg      Message structure.
 571 *       data     Data buffer.
 572 *
 573 * Returns:
 574 *       0   - Success.
 575 *       ~0  - Error.
 576 *
 577 ----------------------------------------------------------------*/
 578
 579 static int prism2mib_privacyinvoked(mibrec_t *mib,
 580                                     int isget,
 581                                     wlandevice_t *wlandev,
 582                                     hfa384x_t *hw,
 583                                     p80211msg_dot11req_mibset_t *msg,
 584                                     void *data)
 585 {
 586         int result;
 587
 588         if (wlandev->hostwep & HOSTWEP_DECRYPT) {
 589                 if (wlandev->hostwep & HOSTWEP_DECRYPT)
 590                         mib->parm2 |= HFA384x_WEPFLAGS_DISABLE_RXCRYPT;
 591                 if (wlandev->hostwep & HOSTWEP_ENCRYPT)
 592                         mib->parm2 |= HFA384x_WEPFLAGS_DISABLE_TXCRYPT;
 593         }
 594
 595         result = prism2mib_flag(mib, isget, wlandev, hw, msg, data);
 596
 597         return result;
 598 }
 599
 600 /*----------------------------------------------------------------
 601 * prism2mib_excludeunencrypted
 602 *
 603 * Get/set the dot11ExcludeUnencrypted value.
 604 *
 605 * MIB record parameters:
 606 *       parm1    Prism2 RID value.
 607 *       parm2    Bit value for ExcludeUnencrypted flag.
 608 *       parm3    Not used.
 609 *
 610 * Arguments:
 611 *       mib      MIB record.
 612 *       isget    MIBGET/MIBSET flag.
 613 *       wlandev  wlan device structure.
 614 *       priv     "priv" structure.
 615 *       hw       "hw" structure.
 616 *       msg      Message structure.
 617 *       data     Data buffer.
 618 *
 619 * Returns:
 620 *       0   - Success.
 621 *       ~0  - Error.
 622 *
 623 ----------------------------------------------------------------*/
 624
 625 static int prism2mib_excludeunencrypted(mibrec_t *mib,
 626                                         int isget,
 627                                         wlandevice_t *wlandev,
 628                                         hfa384x_t *hw,
 629                                         p80211msg_dot11req_mibset_t *msg,
 630                                         void *data)
 631 {
 632         int result;
 633
 634         result = prism2mib_flag(mib, isget, wlandev, hw, msg, data);
 635
 636         return result;
 637 }
 638
 639 /*----------------------------------------------------------------
 640 * prism2mib_fragmentationthreshold
 641 *
 642 * Get/set the fragmentation threshold.
 643 *
 644 * MIB record parameters:
 645 *       parm1    Prism2 RID value.
 646 *       parm2    Not used.
 647 *       parm3    Not used.
 648 *
 649 * Arguments:
 650 *       mib      MIB record.
 651 *       isget    MIBGET/MIBSET flag.
 652 *       wlandev  wlan device structure.
 653 *       priv     "priv" structure.
 654 *       hw       "hw" structure.
 655 *       msg      Message structure.
 656 *       data     Data buffer.
 657 *
 658 * Returns:
 659 *       0   - Success.
 660 *       ~0  - Error.
 661 *
 662 ----------------------------------------------------------------*/
 663
 664 static int prism2mib_fragmentationthreshold(mibrec_t *mib,
 665                                             int isget,
 666                                             wlandevice_t *wlandev,
 667                                             hfa384x_t *hw,
 668                                             p80211msg_dot11req_mibset_t *msg,
 669                                             void *data)
 670 {
 671         int result;
 672         u32 *uint32 = (u32 *) data;
 673
 674         if (!isget)
 675                 if ((*uint32) % 2) {
 676                         printk(KERN_WARNING "Attempt to set odd number "
 677                                "FragmentationThreshold\n");
 678                         msg->resultcode.data =
 679                             P80211ENUM_resultcode_not_supported;
 680                         return 0;
 681                 }
 682
 683         result = prism2mib_uint32(mib, isget, wlandev, hw, msg, data);
 684
 685         return result;
 686 }
 687
 688 /*----------------------------------------------------------------
 689 * prism2mib_priv
 690 *
 691 * Get/set values in the "priv" data structure.
 692 *
 693 * MIB record parameters:
 694 *       parm1    Not used.
 695 *       parm2    Not used.
 696 *       parm3    Not used.
 697 *
 698 * Arguments:
 699 *       mib      MIB record.
 700 *       isget    MIBGET/MIBSET flag.
 701 *       wlandev  wlan device structure.
 702 *       priv     "priv" structure.
 703 *       hw       "hw" structure.
 704 *       msg      Message structure.
 705 *       data     Data buffer.
 706 *
 707 * Returns:
 708 *       0   - Success.
 709 *       ~0  - Error.
 710 *
 711 ----------------------------------------------------------------*/
 712
 713 static int prism2mib_priv(mibrec_t *mib,
 714                           int isget,
 715                           wlandevice_t *wlandev,
 716                           hfa384x_t *hw,
 717                           p80211msg_dot11req_mibset_t *msg, void *data)
 718 {
 719         p80211pstrd_t *pstr = (p80211pstrd_t *) data;
 720
 721         int result;
 722
 723         switch (mib->did) {
 724         case DIDmib_lnx_lnxConfigTable_lnxRSNAIE:{
 725                         hfa384x_WPAData_t wpa;
 726                         if (isget) {
 727                                 hfa384x_drvr_getconfig(hw,
 728                                                        HFA384x_RID_CNFWPADATA,
 729                                                        (u8 *) &wpa,
 730                                                        sizeof(wpa));
 731                                 pstr->len = le16_to_cpu(wpa.datalen);
 732                                 memcpy(pstr->data, wpa.data, pstr->len);
 733                         } else {
 734                                 wpa.datalen = cpu_to_le16(pstr->len);
 735                                 memcpy(wpa.data, pstr->data, pstr->len);
 736
 737                                 result =
 738                                     hfa384x_drvr_setconfig(hw,
 739                                                    HFA384x_RID_CNFWPADATA,
 740                                                    (u8 *) &wpa,
 741                                                    sizeof(wpa));
 742                         }
 743                         break;
 744                 }
 745         default:
 746                 printk(KERN_ERR "Unhandled DID 0x%08x\n", mib->did);
 747         }
 748
 749         return 0;
 750 }
 751
 752 /*----------------------------------------------------------------
 753 * prism2mgmt_pstr2bytestr
 754 *
 755 * Convert the pstr data in the WLAN message structure into an hfa384x
 756 * byte string format.
 757 *
 758 * Arguments:
 759 *       bytestr         hfa384x byte string data type
 760 *       pstr            wlan message data
 761 *
 762 * Returns:
 763 *       Nothing
 764 *
 765 ----------------------------------------------------------------*/
 766
 767 void prism2mgmt_pstr2bytestr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr)
 768 {
 769         bytestr->len = cpu_to_le16((u16) (pstr->len));
 770         memcpy(bytestr->data, pstr->data, pstr->len);
 771 }
 772
 773 /*----------------------------------------------------------------
 774 * prism2mgmt_pstr2bytearea
 775 *
 776 * Convert the pstr data in the WLAN message structure into an hfa384x
 777 * byte area format.
 778 *
 779 * Arguments:
 780 *       bytearea        hfa384x byte area data type
 781 *       pstr            wlan message data
 782 *
 783 * Returns:
 784 *       Nothing
 785 *
 786 ----------------------------------------------------------------*/
 787
 788 void prism2mgmt_pstr2bytearea(u8 *bytearea, p80211pstrd_t *pstr)
 789 {
 790         memcpy(bytearea, pstr->data, pstr->len);
 791 }
 792
 793 /*----------------------------------------------------------------
 794 * prism2mgmt_bytestr2pstr
 795 *
 796 * Convert the data in an hfa384x byte string format into a
 797 * pstr in the WLAN message.
 798 *
 799 * Arguments:
 800 *       bytestr         hfa384x byte string data type
 801 *       msg             wlan message
 802 *
 803 * Returns:
 804 *       Nothing
 805 *
 806 ----------------------------------------------------------------*/
 807
 808 void prism2mgmt_bytestr2pstr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr)
 809 {
 810         pstr->len = (u8) (le16_to_cpu((u16) (bytestr->len)));
 811         memcpy(pstr->data, bytestr->data, pstr->len);
 812 }
 813
 814 /*----------------------------------------------------------------
 815 * prism2mgmt_bytearea2pstr
 816 *
 817 * Convert the data in an hfa384x byte area format into a pstr
 818 * in the WLAN message.
 819 *
 820 * Arguments:
 821 *       bytearea        hfa384x byte area data type
 822 *       msg             wlan message
 823 *
 824 * Returns:
 825 *       Nothing
 826 *
 827 ----------------------------------------------------------------*/
 828
 829 void prism2mgmt_bytearea2pstr(u8 *bytearea, p80211pstrd_t *pstr, int len)
 830 {
 831         pstr->len = (u8) len;
 832         memcpy(pstr->data, bytearea, len);
 833 }