linux/drivers/staging/wlan-ng/prism2mib.c
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   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/wireless.h>
  58#include <linux/netdevice.h>
  59#include <linux/io.h>
  60#include <linux/delay.h>
  61#include <asm/byteorder.h>
  62#include <linux/usb.h>
  63#include <linux/bitops.h>
  64
  65#include "p80211types.h"
  66#include "p80211hdr.h"
  67#include "p80211mgmt.h"
  68#include "p80211conv.h"
  69#include "p80211msg.h"
  70#include "p80211netdev.h"
  71#include "p80211metadef.h"
  72#include "p80211metastruct.h"
  73#include "hfa384x.h"
  74#include "prism2mgmt.h"
  75
  76#define MIB_TMP_MAXLEN    200   /* Max length of RID record (in bytes). */
  77
  78#define  F_STA        0x1       /* MIB is supported on stations. */
  79#define  F_READ       0x2       /* MIB may be read. */
  80#define  F_WRITE      0x4       /* MIB may be written. */
  81
  82struct mibrec {
  83        u32 did;
  84        u16 flag;
  85        u16 parm1;
  86        u16 parm2;
  87        u16 parm3;
  88        int (*func)(struct mibrec *mib,
  89                     int isget,
  90                     struct wlandevice *wlandev,
  91                     struct hfa384x *hw,
  92                     struct p80211msg_dot11req_mibset *msg, void *data);
  93};
  94
  95static int prism2mib_bytearea2pstr(struct mibrec *mib,
  96                                   int isget,
  97                                   struct wlandevice *wlandev,
  98                                   struct hfa384x *hw,
  99                                   struct p80211msg_dot11req_mibset *msg,
 100                                   void *data);
 101
 102static int prism2mib_uint32(struct mibrec *mib,
 103                            int isget,
 104                            struct wlandevice *wlandev,
 105                            struct hfa384x *hw,
 106                            struct p80211msg_dot11req_mibset *msg, void *data);
 107
 108static int prism2mib_flag(struct mibrec *mib,
 109                          int isget,
 110                          struct wlandevice *wlandev,
 111                          struct hfa384x *hw,
 112                          struct p80211msg_dot11req_mibset *msg, void *data);
 113
 114static int prism2mib_wepdefaultkey(struct mibrec *mib,
 115                                   int isget,
 116                                   struct wlandevice *wlandev,
 117                                   struct hfa384x *hw,
 118                                   struct p80211msg_dot11req_mibset *msg,
 119                                   void *data);
 120
 121static int prism2mib_privacyinvoked(struct mibrec *mib,
 122                                    int isget,
 123                                    struct wlandevice *wlandev,
 124                                    struct hfa384x *hw,
 125                                    struct p80211msg_dot11req_mibset *msg,
 126                                    void *data);
 127
 128static int prism2mib_excludeunencrypted(struct mibrec *mib,
 129                                        int isget,
 130                                        struct wlandevice *wlandev,
 131                                        struct hfa384x *hw,
 132                                        struct p80211msg_dot11req_mibset *msg,
 133                                        void *data);
 134
 135static int prism2mib_fragmentationthreshold(struct mibrec *mib,
 136                                            int isget,
 137                                            struct wlandevice *wlandev,
 138                                            struct hfa384x *hw,
 139                                            struct p80211msg_dot11req_mibset *msg,
 140                                            void *data);
 141
 142static int prism2mib_priv(struct mibrec *mib,
 143                          int isget,
 144                          struct wlandevice *wlandev,
 145                          struct hfa384x *hw,
 146                          struct p80211msg_dot11req_mibset *msg, void *data);
 147
 148static struct mibrec mibtab[] = {
 149
 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
 260int 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
 345done:
 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
 374static 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
 424static 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
 471static 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
 528static 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
 578static 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
 620static 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
 628        return prism2mib_flag(mib, isget, wlandev, hw, msg, data);
 629}
 630
 631/*
 632 * prism2mib_fragmentationthreshold
 633 *
 634 * Get/set the fragmentation threshold.
 635 *
 636 * MIB record parameters:
 637 *       parm1    Prism2 RID value.
 638 *       parm2    Not used.
 639 *       parm3    Not used.
 640 *
 641 * Arguments:
 642 *       mib      MIB record.
 643 *       isget    MIBGET/MIBSET flag.
 644 *       wlandev  wlan device structure.
 645 *       priv     "priv" structure.
 646 *       hw       "hw" structure.
 647 *       msg      Message structure.
 648 *       data     Data buffer.
 649 *
 650 * Returns:
 651 *       0   - Success.
 652 *       ~0  - Error.
 653 *
 654 */
 655
 656static int prism2mib_fragmentationthreshold(struct mibrec *mib,
 657                                            int isget,
 658                                            struct wlandevice *wlandev,
 659                                            struct hfa384x *hw,
 660                                            struct p80211msg_dot11req_mibset *msg,
 661                                            void *data)
 662{
 663        u32 *uint32 = data;
 664
 665        if (!isget)
 666                if ((*uint32) % 2) {
 667                        netdev_warn(wlandev->netdev,
 668                                    "Attempt to set odd number FragmentationThreshold\n");
 669                        msg->resultcode.data =
 670                            P80211ENUM_resultcode_not_supported;
 671                        return 0;
 672                }
 673
 674        return prism2mib_uint32(mib, isget, wlandev, hw, msg, data);
 675}
 676
 677/*
 678 * prism2mib_priv
 679 *
 680 * Get/set values in the "priv" data structure.
 681 *
 682 * MIB record parameters:
 683 *       parm1    Not used.
 684 *       parm2    Not used.
 685 *       parm3    Not used.
 686 *
 687 * Arguments:
 688 *       mib      MIB record.
 689 *       isget    MIBGET/MIBSET flag.
 690 *       wlandev  wlan device structure.
 691 *       priv     "priv" structure.
 692 *       hw       "hw" structure.
 693 *       msg      Message structure.
 694 *       data     Data buffer.
 695 *
 696 * Returns:
 697 *       0   - Success.
 698 *       ~0  - Error.
 699 *
 700 */
 701
 702static int prism2mib_priv(struct mibrec *mib,
 703                          int isget,
 704                          struct wlandevice *wlandev,
 705                          struct hfa384x *hw,
 706                          struct p80211msg_dot11req_mibset *msg, void *data)
 707{
 708        struct p80211pstrd *pstr = data;
 709
 710        switch (mib->did) {
 711        case DIDmib_lnx_lnxConfigTable_lnxRSNAIE:{
 712                        struct hfa384x_WPAData wpa;
 713
 714                        if (isget) {
 715                                hfa384x_drvr_getconfig(hw,
 716                                                       HFA384x_RID_CNFWPADATA,
 717                                                       (u8 *)&wpa,
 718                                                       sizeof(wpa));
 719                                pstr->len = le16_to_cpu(wpa.datalen);
 720                                memcpy(pstr->data, wpa.data, pstr->len);
 721                        } else {
 722                                wpa.datalen = cpu_to_le16(pstr->len);
 723                                memcpy(wpa.data, pstr->data, pstr->len);
 724
 725                                hfa384x_drvr_setconfig(hw,
 726                                                       HFA384x_RID_CNFWPADATA,
 727                                                       (u8 *)&wpa,
 728                                                       sizeof(wpa));
 729                        }
 730                        break;
 731                }
 732        default:
 733                netdev_err(wlandev->netdev, "Unhandled DID 0x%08x\n", mib->did);
 734        }
 735
 736        return 0;
 737}
 738
 739/*
 740 * prism2mgmt_pstr2bytestr
 741 *
 742 * Convert the pstr data in the WLAN message structure into an hfa384x
 743 * byte string format.
 744 *
 745 * Arguments:
 746 *      bytestr         hfa384x byte string data type
 747 *      pstr            wlan message data
 748 *
 749 * Returns:
 750 *      Nothing
 751 *
 752 */
 753
 754void prism2mgmt_pstr2bytestr(struct hfa384x_bytestr *bytestr,
 755                             struct p80211pstrd *pstr)
 756{
 757        bytestr->len = cpu_to_le16((u16)(pstr->len));
 758        memcpy(bytestr->data, pstr->data, pstr->len);
 759}
 760
 761/*
 762 * prism2mgmt_bytestr2pstr
 763 *
 764 * Convert the data in an hfa384x byte string format into a
 765 * pstr in the WLAN message.
 766 *
 767 * Arguments:
 768 *      bytestr         hfa384x byte string data type
 769 *      msg             wlan message
 770 *
 771 * Returns:
 772 *      Nothing
 773 *
 774 */
 775
 776void prism2mgmt_bytestr2pstr(struct hfa384x_bytestr *bytestr,
 777                             struct p80211pstrd *pstr)
 778{
 779        pstr->len = (u8)(le16_to_cpu((u16)(bytestr->len)));
 780        memcpy(pstr->data, bytestr->data, pstr->len);
 781}
 782
 783/*
 784 * prism2mgmt_bytearea2pstr
 785 *
 786 * Convert the data in an hfa384x byte area format into a pstr
 787 * in the WLAN message.
 788 *
 789 * Arguments:
 790 *      bytearea        hfa384x byte area data type
 791 *      msg             wlan message
 792 *
 793 * Returns:
 794 *      Nothing
 795 *
 796 */
 797
 798void prism2mgmt_bytearea2pstr(u8 *bytearea, struct p80211pstrd *pstr, int len)
 799{
 800        pstr->len = (u8)len;
 801        memcpy(pstr->data, bytearea, len);
 802}
 803