drivers/staging/wlan-ng/prism2mib.c

   1 // SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1)
   2 /* src/prism2/driver/prism2mib.c
   3  *
   4  * Management request for mibset/mibget
   5  *
   6  * Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
   7  * --------------------------------------------------------------------
   8  *
   9  * linux-wlan
  10  *
  11  *   The contents of this file are subject to the Mozilla Public
  12  *   License Version 1.1 (the "License"); you may not use this file
  13  *   except in compliance with the License. You may obtain a copy of
  14  *   the License at http://www.mozilla.org/MPL/
  15  *
  16  *   Software distributed under the License is distributed on an "AS
  17  *   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  18  *   implied. See the License for the specific language governing
  19  *   rights and limitations under the License.
  20  *
  21  *   Alternatively, the contents of this file may be used under the
  22  *   terms of the GNU Public License version 2 (the "GPL"), in which
  23  *   case the provisions of the GPL are applicable instead of the
  24  *   above.  If you wish to allow the use of your version of this file
  25  *   only under the terms of the GPL and not to allow others to use
  26  *   your version of this file under the MPL, indicate your decision
  27  *   by deleting the provisions above and replace them with the notice
  28  *   and other provisions required by the GPL.  If you do not delete
  29  *   the provisions above, a recipient may use your version of this
  30  *   file under either the MPL or the GPL.
  31  *
  32  * --------------------------------------------------------------------
  33  *
  34  * Inquiries regarding the linux-wlan Open Source project can be
  35  * made directly to:
  36  *
  37  * AbsoluteValue Systems Inc.
  38  * info@linux-wlan.com
  39  * http://www.linux-wlan.com
  40  *
  41  * --------------------------------------------------------------------
  42  *
  43  * Portions of the development of this software were funded by
  44  * Intersil Corporation as part of PRISM(R) chipset product development.
  45  *
  46  * --------------------------------------------------------------------
  47  *
  48  * The functions in this file handle the mibset/mibget management
  49  * functions.
  50  *
  51  * --------------------------------------------------------------------
  52  */
  53
  54 #include <linux/module.h>
  55 #include <linux/kernel.h>
  56 #include <linux/sched.h>
  57 #include <linux/types.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 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                      struct wlandevice *wlandev,
  92                      struct hfa384x *hw,
  93                      struct p80211msg_dot11req_mibset *msg, void *data);
  94 };
  95
  96 static int prism2mib_bytearea2pstr(struct mibrec *mib,
  97                                    int isget,
  98                                    struct wlandevice *wlandev,
  99                                    struct hfa384x *hw,
 100                                    struct p80211msg_dot11req_mibset *msg,
 101                                    void *data);
 102
 103 static int prism2mib_uint32(struct mibrec *mib,
 104                             int isget,
 105                             struct wlandevice *wlandev,
 106                             struct hfa384x *hw,
 107                             struct p80211msg_dot11req_mibset *msg, void *data);
 108
 109 static int prism2mib_flag(struct mibrec *mib,
 110                           int isget,
 111                           struct wlandevice *wlandev,
 112                           struct hfa384x *hw,
 113                           struct p80211msg_dot11req_mibset *msg, void *data);
 114
 115 static int prism2mib_wepdefaultkey(struct mibrec *mib,
 116                                    int isget,
 117                                    struct wlandevice *wlandev,
 118                                    struct hfa384x *hw,
 119                                    struct p80211msg_dot11req_mibset *msg,
 120                                    void *data);
 121
 122 static int prism2mib_privacyinvoked(struct mibrec *mib,
 123                                     int isget,
 124                                     struct wlandevice *wlandev,
 125                                     struct hfa384x *hw,
 126                                     struct p80211msg_dot11req_mibset *msg,
 127                                     void *data);
 128
 129 static int prism2mib_excludeunencrypted(struct mibrec *mib,
 130                                         int isget,
 131                                         struct wlandevice *wlandev,
 132                                         struct hfa384x *hw,
 133                                         struct p80211msg_dot11req_mibset *msg,
 134                                         void *data);
 135
 136 static int prism2mib_fragmentationthreshold(struct mibrec *mib,
 137                                             int isget,
 138                                             struct wlandevice *wlandev,
 139                                             struct hfa384x *hw,
 140                                             struct p80211msg_dot11req_mibset *msg,
 141                                             void *data);
 142
 143 static int prism2mib_priv(struct mibrec *mib,
 144                           int isget,
 145                           struct wlandevice *wlandev,
 146                           struct hfa384x *hw,
 147                           struct p80211msg_dot11req_mibset *msg, void *data);
 148
 149 static struct mibrec mibtab[] = {
 150         /* dot11smt MIB's */
 151         {DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(1),
 152          F_STA | F_WRITE,
 153          HFA384x_RID_CNFWEPDEFAULTKEY0, 0, 0,
 154          prism2mib_wepdefaultkey},
 155         {DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(2),
 156          F_STA | F_WRITE,
 157          HFA384x_RID_CNFWEPDEFAULTKEY1, 0, 0,
 158          prism2mib_wepdefaultkey},
 159         {DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(3),
 160          F_STA | F_WRITE,
 161          HFA384x_RID_CNFWEPDEFAULTKEY2, 0, 0,
 162          prism2mib_wepdefaultkey},
 163         {DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(4),
 164          F_STA | F_WRITE,
 165          HFA384x_RID_CNFWEPDEFAULTKEY3, 0, 0,
 166          prism2mib_wepdefaultkey},
 167         {DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked,
 168          F_STA | F_READ | F_WRITE,
 169          HFA384x_RID_CNFWEPFLAGS, HFA384x_WEPFLAGS_PRIVINVOKED, 0,
 170          prism2mib_privacyinvoked},
 171         {DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
 172          F_STA | F_READ | F_WRITE,
 173          HFA384x_RID_CNFWEPDEFAULTKEYID, 0, 0,
 174          prism2mib_uint32},
 175         {DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted,
 176          F_STA | F_READ | F_WRITE,
 177          HFA384x_RID_CNFWEPFLAGS, HFA384x_WEPFLAGS_EXCLUDE, 0,
 178          prism2mib_excludeunencrypted},
 179
 180         /* dot11mac MIB's */
 181
 182         {DIDmib_dot11mac_dot11OperationTable_dot11MACAddress,
 183          F_STA | F_READ | F_WRITE,
 184          HFA384x_RID_CNFOWNMACADDR, HFA384x_RID_CNFOWNMACADDR_LEN, 0,
 185          prism2mib_bytearea2pstr},
 186         {DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold,
 187          F_STA | F_READ | F_WRITE,
 188          HFA384x_RID_RTSTHRESH, 0, 0,
 189          prism2mib_uint32},
 190         {DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit,
 191          F_STA | F_READ,
 192          HFA384x_RID_SHORTRETRYLIMIT, 0, 0,
 193          prism2mib_uint32},
 194         {DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit,
 195          F_STA | F_READ,
 196          HFA384x_RID_LONGRETRYLIMIT, 0, 0,
 197          prism2mib_uint32},
 198         {DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold,
 199          F_STA | F_READ | F_WRITE,
 200          HFA384x_RID_FRAGTHRESH, 0, 0,
 201          prism2mib_fragmentationthreshold},
 202         {DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime,
 203          F_STA | F_READ,
 204          HFA384x_RID_MAXTXLIFETIME, 0, 0,
 205          prism2mib_uint32},
 206
 207         /* dot11phy MIB's */
 208
 209         {DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel,
 210          F_STA | F_READ,
 211          HFA384x_RID_CURRENTCHANNEL, 0, 0,
 212          prism2mib_uint32},
 213         {DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel,
 214          F_STA | F_READ | F_WRITE,
 215          HFA384x_RID_TXPOWERMAX, 0, 0,
 216          prism2mib_uint32},
 217
 218         /* p2Static MIB's */
 219
 220         {DIDmib_p2_p2Static_p2CnfPortType,
 221          F_STA | F_READ | F_WRITE,
 222          HFA384x_RID_CNFPORTTYPE, 0, 0,
 223          prism2mib_uint32},
 224
 225         /* p2MAC MIB's */
 226
 227         {DIDmib_p2_p2MAC_p2CurrentTxRate,
 228          F_STA | F_READ,
 229          HFA384x_RID_CURRENTTXRATE, 0, 0,
 230          prism2mib_uint32},
 231
 232         /* And finally, lnx mibs */
 233         {DIDmib_lnx_lnxConfigTable_lnxRSNAIE,
 234          F_STA | F_READ | F_WRITE,
 235          HFA384x_RID_CNFWPADATA, 0, 0,
 236          prism2mib_priv},
 237         {0, 0, 0, 0, 0, NULL}
 238 };
 239
 240 /*
 241  * prism2mgmt_mibset_mibget
 242  *
 243  * Set the value of a mib item.
 244  *
 245  * Arguments:
 246  *      wlandev         wlan device structure
 247  *      msgp            ptr to msg buffer
 248  *
 249  * Returns:
 250  *      0       success and done
 251  *      <0      success, but we're waiting for something to finish.
 252  *      >0      an error occurred while handling the message.
 253  * Side effects:
 254  *
 255  * Call context:
 256  *      process thread  (usually)
 257  *      interrupt
 258  */
 259
 260 int prism2mgmt_mibset_mibget(struct wlandevice *wlandev, void *msgp)
 261 {
 262         struct hfa384x *hw = wlandev->priv;
 263         int result, isget;
 264         struct mibrec *mib;
 265
 266         u16 which;
 267
 268         struct p80211msg_dot11req_mibset *msg = msgp;
 269         struct p80211itemd *mibitem;
 270
 271         msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
 272         msg->resultcode.data = P80211ENUM_resultcode_success;
 273
 274         /*
 275          ** Determine if this is an Access Point or a station.
 276          */
 277
 278         which = F_STA;
 279
 280         /*
 281          ** Find the MIB in the MIB table.  Note that a MIB may be in the
 282          ** table twice...once for an AP and once for a station.  Make sure
 283          ** to get the correct one.  Note that DID=0 marks the end of the
 284          ** MIB table.
 285          */
 286
 287         mibitem = (struct p80211itemd *)msg->mibattribute.data;
 288
 289         for (mib = mibtab; mib->did != 0; mib++)
 290                 if (mib->did == mibitem->did && (mib->flag & which))
 291                         break;
 292
 293         if (mib->did == 0) {
 294                 msg->resultcode.data = P80211ENUM_resultcode_not_supported;
 295                 goto done;
 296         }
 297
 298         /*
 299          ** Determine if this is a "mibget" or a "mibset".  If this is a
 300          ** "mibget", then make sure that the MIB may be read.  Otherwise,
 301          ** this is a "mibset" so make make sure that the MIB may be written.
 302          */
 303
 304         isget = (msg->msgcode == DIDmsg_dot11req_mibget);
 305
 306         if (isget) {
 307                 if (!(mib->flag & F_READ)) {
 308                         msg->resultcode.data =
 309                             P80211ENUM_resultcode_cant_get_writeonly_mib;
 310                         goto done;
 311                 }
 312         } else {
 313                 if (!(mib->flag & F_WRITE)) {
 314                         msg->resultcode.data =
 315                             P80211ENUM_resultcode_cant_set_readonly_mib;
 316                         goto done;
 317                 }
 318         }
 319
 320         /*
 321          ** Execute the MIB function.  If things worked okay, then make
 322          ** sure that the MIB function also worked okay.  If so, and this
 323          ** is a "mibget", then the status value must be set for both the
 324          ** "mibattribute" parameter and the mib item within the data
 325          ** portion of the "mibattribute".
 326          */
 327
 328         result = mib->func(mib, isget, wlandev, hw, msg, (void *)mibitem->data);
 329
 330         if (msg->resultcode.data == P80211ENUM_resultcode_success) {
 331                 if (result != 0) {
 332                         pr_debug("get/set failure, result=%d\n", result);
 333                         msg->resultcode.data =
 334                             P80211ENUM_resultcode_implementation_failure;
 335                 } else {
 336                         if (isget) {
 337                                 msg->mibattribute.status =
 338                                     P80211ENUM_msgitem_status_data_ok;
 339                                 mibitem->status =
 340                                     P80211ENUM_msgitem_status_data_ok;
 341                         }
 342                 }
 343         }
 344
 345 done:
 346         return 0;
 347 }
 348
 349 /*
 350  * prism2mib_bytearea2pstr
 351  *
 352  * Get/set pstr data to/from a byte area.
 353  *
 354  * MIB record parameters:
 355  *       parm1    Prism2 RID value.
 356  *       parm2    Number of bytes of RID data.
 357  *       parm3    Not used.
 358  *
 359  * Arguments:
 360  *       mib      MIB record.
 361  *       isget    MIBGET/MIBSET flag.
 362  *       wlandev  wlan device structure.
 363  *       priv     "priv" structure.
 364  *       hw       "hw" structure.
 365  *       msg      Message structure.
 366  *       data     Data buffer.
 367  *
 368  * Returns:
 369  *       0   - Success.
 370  *       ~0  - Error.
 371  *
 372  */
 373
 374 static int prism2mib_bytearea2pstr(struct mibrec *mib,
 375                                    int isget,
 376                                    struct wlandevice *wlandev,
 377                                    struct hfa384x *hw,
 378                                    struct p80211msg_dot11req_mibset *msg,
 379                                    void *data)
 380 {
 381         int result;
 382         struct p80211pstrd *pstr = data;
 383         u8 bytebuf[MIB_TMP_MAXLEN];
 384
 385         if (isget) {
 386                 result =
 387                     hfa384x_drvr_getconfig(hw, mib->parm1, bytebuf, mib->parm2);
 388                 prism2mgmt_bytearea2pstr(bytebuf, pstr, mib->parm2);
 389         } else {
 390                 memset(bytebuf, 0, mib->parm2);
 391                 memcpy(bytebuf, pstr->data, pstr->len);
 392                 result =
 393                     hfa384x_drvr_setconfig(hw, mib->parm1, bytebuf, mib->parm2);
 394         }
 395
 396         return result;
 397 }
 398
 399 /*
 400  * prism2mib_uint32
 401  *
 402  * Get/set uint32 data.
 403  *
 404  * MIB record parameters:
 405  *       parm1    Prism2 RID value.
 406  *       parm2    Not used.
 407  *       parm3    Not used.
 408  *
 409  * Arguments:
 410  *       mib      MIB record.
 411  *       isget    MIBGET/MIBSET flag.
 412  *       wlandev  wlan device structure.
 413  *       priv     "priv" structure.
 414  *       hw       "hw" structure.
 415  *       msg      Message structure.
 416  *       data     Data buffer.
 417  *
 418  * Returns:
 419  *       0   - Success.
 420  *       ~0  - Error.
 421  *
 422  */
 423
 424 static int prism2mib_uint32(struct mibrec *mib,
 425                             int isget,
 426                             struct wlandevice *wlandev,
 427                             struct hfa384x *hw,
 428                             struct p80211msg_dot11req_mibset *msg, void *data)
 429 {
 430         int result;
 431         u32 *uint32 = data;
 432         u8 bytebuf[MIB_TMP_MAXLEN];
 433         u16 *wordbuf = (u16 *)bytebuf;
 434
 435         if (isget) {
 436                 result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
 437                 *uint32 = *wordbuf;
 438         } else {
 439                 *wordbuf = *uint32;
 440                 result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
 441         }
 442
 443         return result;
 444 }
 445
 446 /*
 447  * prism2mib_flag
 448  *
 449  * Get/set a flag.
 450  *
 451  * MIB record parameters:
 452  *       parm1    Prism2 RID value.
 453  *       parm2    Bit to get/set.
 454  *       parm3    Not used.
 455  *
 456  * Arguments:
 457  *       mib      MIB record.
 458  *       isget    MIBGET/MIBSET flag.
 459  *       wlandev  wlan device structure.
 460  *       priv     "priv" structure.
 461  *       hw       "hw" structure.
 462  *       msg      Message structure.
 463  *       data     Data buffer.
 464  *
 465  * Returns:
 466  *       0   - Success.
 467  *       ~0  - Error.
 468  *
 469  */
 470
 471 static int prism2mib_flag(struct mibrec *mib,
 472                           int isget,
 473                           struct wlandevice *wlandev,
 474                           struct hfa384x *hw,
 475                           struct p80211msg_dot11req_mibset *msg, void *data)
 476 {
 477         int result;
 478         u32 *uint32 = data;
 479         u8 bytebuf[MIB_TMP_MAXLEN];
 480         u16 *wordbuf = (u16 *)bytebuf;
 481         u32 flags;
 482
 483         result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
 484         if (result == 0) {
 485                 flags = *wordbuf;
 486                 if (isget) {
 487                         *uint32 = (flags & mib->parm2) ?
 488                             P80211ENUM_truth_true : P80211ENUM_truth_false;
 489                 } else {
 490                         if ((*uint32) == P80211ENUM_truth_true)
 491                                 flags |= mib->parm2;
 492                         else
 493                                 flags &= ~mib->parm2;
 494                         *wordbuf = flags;
 495                         result =
 496                             hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
 497                 }
 498         }
 499
 500         return result;
 501 }
 502
 503 /*
 504  * prism2mib_wepdefaultkey
 505  *
 506  * Get/set WEP default keys.
 507  *
 508  * MIB record parameters:
 509  *       parm1    Prism2 RID value.
 510  *       parm2    Number of bytes of RID data.
 511  *       parm3    Not used.
 512  *
 513  * Arguments:
 514  *       mib      MIB record.
 515  *       isget    MIBGET/MIBSET flag.
 516  *       wlandev  wlan device structure.
 517  *       priv     "priv" structure.
 518  *       hw       "hw" structure.
 519  *       msg      Message structure.
 520  *       data     Data buffer.
 521  *
 522  * Returns:
 523  *       0   - Success.
 524  *       ~0  - Error.
 525  *
 526  */
 527
 528 static int prism2mib_wepdefaultkey(struct mibrec *mib,
 529                                    int isget,
 530                                    struct wlandevice *wlandev,
 531                                    struct hfa384x *hw,
 532                                    struct p80211msg_dot11req_mibset *msg,
 533                                    void *data)
 534 {
 535         int result;
 536         struct p80211pstrd *pstr = data;
 537         u8 bytebuf[MIB_TMP_MAXLEN];
 538         u16 len;
 539
 540         if (isget) {
 541                 result = 0;     /* Should never happen. */
 542         } else {
 543                 len = (pstr->len > 5) ? HFA384x_RID_CNFWEP128DEFAULTKEY_LEN :
 544                     HFA384x_RID_CNFWEPDEFAULTKEY_LEN;
 545                 memset(bytebuf, 0, len);
 546                 memcpy(bytebuf, pstr->data, pstr->len);
 547                 result = hfa384x_drvr_setconfig(hw, mib->parm1, bytebuf, len);
 548         }
 549
 550         return result;
 551 }
 552
 553 /*
 554  * prism2mib_privacyinvoked
 555  *
 556  * Get/set the dot11PrivacyInvoked value.
 557  *
 558  * MIB record parameters:
 559  *       parm1    Prism2 RID value.
 560  *       parm2    Bit value for PrivacyInvoked flag.
 561  *       parm3    Not used.
 562  *
 563  * Arguments:
 564  *       mib      MIB record.
 565  *       isget    MIBGET/MIBSET flag.
 566  *       wlandev  wlan device structure.
 567  *       priv     "priv" structure.
 568  *       hw       "hw" structure.
 569  *       msg      Message structure.
 570  *       data     Data buffer.
 571  *
 572  * Returns:
 573  *       0   - Success.
 574  *       ~0  - Error.
 575  *
 576  */
 577
 578 static int prism2mib_privacyinvoked(struct mibrec *mib,
 579                                     int isget,
 580                                     struct wlandevice *wlandev,
 581                                     struct hfa384x *hw,
 582                                     struct p80211msg_dot11req_mibset *msg,
 583                                     void *data)
 584 {
 585         if (wlandev->hostwep & HOSTWEP_DECRYPT) {
 586                 if (wlandev->hostwep & HOSTWEP_DECRYPT)
 587                         mib->parm2 |= HFA384x_WEPFLAGS_DISABLE_RXCRYPT;
 588                 if (wlandev->hostwep & HOSTWEP_ENCRYPT)
 589                         mib->parm2 |= HFA384x_WEPFLAGS_DISABLE_TXCRYPT;
 590         }
 591
 592         return prism2mib_flag(mib, isget, wlandev, hw, msg, data);
 593 }
 594
 595 /*
 596  * prism2mib_excludeunencrypted
 597  *
 598  * Get/set the dot11ExcludeUnencrypted value.
 599  *
 600  * MIB record parameters:
 601  *       parm1    Prism2 RID value.
 602  *       parm2    Bit value for ExcludeUnencrypted flag.
 603  *       parm3    Not used.
 604  *
 605  * Arguments:
 606  *       mib      MIB record.
 607  *       isget    MIBGET/MIBSET flag.
 608  *       wlandev  wlan device structure.
 609  *       priv     "priv" structure.
 610  *       hw       "hw" structure.
 611  *       msg      Message structure.
 612  *       data     Data buffer.
 613  *
 614  * Returns:
 615  *       0   - Success.
 616  *       ~0  - Error.
 617  *
 618  */
 619
 620 static int prism2mib_excludeunencrypted(struct mibrec *mib,
 621                                         int isget,
 622                                         struct wlandevice *wlandev,
 623                                         struct hfa384x *hw,
 624                                         struct p80211msg_dot11req_mibset *msg,
 625                                         void *data)
 626 {
 627         return prism2mib_flag(mib, isget, wlandev, hw, msg, data);
 628 }
 629
 630 /*
 631  * prism2mib_fragmentationthreshold
 632  *
 633  * Get/set the fragmentation threshold.
 634  *
 635  * MIB record parameters:
 636  *       parm1    Prism2 RID value.
 637  *       parm2    Not used.
 638  *       parm3    Not used.
 639  *
 640  * Arguments:
 641  *       mib      MIB record.
 642  *       isget    MIBGET/MIBSET flag.
 643  *       wlandev  wlan device structure.
 644  *       priv     "priv" structure.
 645  *       hw       "hw" structure.
 646  *       msg      Message structure.
 647  *       data     Data buffer.
 648  *
 649  * Returns:
 650  *       0   - Success.
 651  *       ~0  - Error.
 652  *
 653  */
 654
 655 static int prism2mib_fragmentationthreshold(struct mibrec *mib,
 656                                             int isget,
 657                                             struct wlandevice *wlandev,
 658                                             struct hfa384x *hw,
 659                                             struct p80211msg_dot11req_mibset *msg,
 660                                             void *data)
 661 {
 662         u32 *uint32 = data;
 663
 664         if (!isget)
 665                 if ((*uint32) % 2) {
 666                         netdev_warn(wlandev->netdev,
 667                                     "Attempt to set odd number FragmentationThreshold\n");
 668                         msg->resultcode.data =
 669                             P80211ENUM_resultcode_not_supported;
 670                         return 0;
 671                 }
 672
 673         return prism2mib_uint32(mib, isget, wlandev, hw, msg, data);
 674 }
 675
 676 /*
 677  * prism2mib_priv
 678  *
 679  * Get/set values in the "priv" data structure.
 680  *
 681  * MIB record parameters:
 682  *       parm1    Not used.
 683  *       parm2    Not used.
 684  *       parm3    Not used.
 685  *
 686  * Arguments:
 687  *       mib      MIB record.
 688  *       isget    MIBGET/MIBSET flag.
 689  *       wlandev  wlan device structure.
 690  *       priv     "priv" structure.
 691  *       hw       "hw" structure.
 692  *       msg      Message structure.
 693  *       data     Data buffer.
 694  *
 695  * Returns:
 696  *       0   - Success.
 697  *       ~0  - Error.
 698  *
 699  */
 700
 701 static int prism2mib_priv(struct mibrec *mib,
 702                           int isget,
 703                           struct wlandevice *wlandev,
 704                           struct hfa384x *hw,
 705                           struct p80211msg_dot11req_mibset *msg, void *data)
 706 {
 707         struct p80211pstrd *pstr = data;
 708
 709         switch (mib->did) {
 710         case DIDmib_lnx_lnxConfigTable_lnxRSNAIE:{
 711                         struct hfa384x_wpa_data wpa;
 712
 713                         if (isget) {
 714                                 hfa384x_drvr_getconfig(hw,
 715                                                        HFA384x_RID_CNFWPADATA,
 716                                                        (u8 *)&wpa,
 717                                                        sizeof(wpa));
 718                                 pstr->len = le16_to_cpu(wpa.datalen);
 719                                 memcpy(pstr->data, wpa.data, pstr->len);
 720                         } else {
 721                                 wpa.datalen = cpu_to_le16(pstr->len);
 722                                 memcpy(wpa.data, pstr->data, pstr->len);
 723
 724                                 hfa384x_drvr_setconfig(hw,
 725                                                        HFA384x_RID_CNFWPADATA,
 726                                                        (u8 *)&wpa,
 727                                                        sizeof(wpa));
 728                         }
 729                         break;
 730                 }
 731         default:
 732                 netdev_err(wlandev->netdev, "Unhandled DID 0x%08x\n", mib->did);
 733         }
 734
 735         return 0;
 736 }
 737
 738 /*
 739  * prism2mgmt_pstr2bytestr
 740  *
 741  * Convert the pstr data in the WLAN message structure into an hfa384x
 742  * byte string format.
 743  *
 744  * Arguments:
 745  *      bytestr         hfa384x byte string data type
 746  *      pstr            wlan message data
 747  *
 748  * Returns:
 749  *      Nothing
 750  *
 751  */
 752
 753 void prism2mgmt_pstr2bytestr(struct hfa384x_bytestr *bytestr,
 754                              struct p80211pstrd *pstr)
 755 {
 756         bytestr->len = cpu_to_le16((u16)(pstr->len));
 757         memcpy(bytestr->data, pstr->data, pstr->len);
 758 }
 759
 760 /*
 761  * prism2mgmt_bytestr2pstr
 762  *
 763  * Convert the data in an hfa384x byte string format into a
 764  * pstr in the WLAN message.
 765  *
 766  * Arguments:
 767  *      bytestr         hfa384x byte string data type
 768  *      msg             wlan message
 769  *
 770  * Returns:
 771  *      Nothing
 772  *
 773  */
 774
 775 void prism2mgmt_bytestr2pstr(struct hfa384x_bytestr *bytestr,
 776                              struct p80211pstrd *pstr)
 777 {
 778         pstr->len = (u8)(le16_to_cpu(bytestr->len));
 779         memcpy(pstr->data, bytestr->data, pstr->len);
 780 }
 781
 782 /*
 783  * prism2mgmt_bytearea2pstr
 784  *
 785  * Convert the data in an hfa384x byte area format into a pstr
 786  * in the WLAN message.
 787  *
 788  * Arguments:
 789  *      bytearea        hfa384x byte area data type
 790  *      msg             wlan message
 791  *
 792  * Returns:
 793  *      Nothing
 794  *
 795  */
 796
 797 void prism2mgmt_bytearea2pstr(u8 *bytearea, struct p80211pstrd *pstr, int len)
 798 {
 799         pstr->len = (u8)len;
 800         memcpy(pstr->data, bytearea, len);
 801 }