SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/net/wireless/libertas/11d.c

   1 /**
   2   * This file contains functions for 802.11D.
   3   */
   4 #include <linux/ctype.h>
   5 #include <linux/kernel.h>
   6 #include <linux/wireless.h>
   7
   8 #include "host.h"
   9 #include "decl.h"
  10 #include "11d.h"
  11 #include "dev.h"
  12 #include "wext.h"
  13
  14 #define TX_PWR_DEFAULT  10
  15
  16 static struct region_code_mapping region_code_mapping[] = {
  17         {"US ", 0x10},          /* US FCC      */
  18         {"CA ", 0x10},          /* IC Canada   */
  19         {"SG ", 0x10},          /* Singapore   */
  20         {"EU ", 0x30},          /* ETSI        */
  21         {"AU ", 0x30},          /* Australia   */
  22         {"KR ", 0x30},          /* Republic Of Korea */
  23         {"ES ", 0x31},          /* Spain       */
  24         {"FR ", 0x32},          /* France      */
  25         {"JP ", 0x40},          /* Japan       */
  26 };
  27
  28 /* Following 2 structure defines the supported channels */
  29 static struct chan_freq_power channel_freq_power_UN_BG[] = {
  30         {1, 2412, TX_PWR_DEFAULT},
  31         {2, 2417, TX_PWR_DEFAULT},
  32         {3, 2422, TX_PWR_DEFAULT},
  33         {4, 2427, TX_PWR_DEFAULT},
  34         {5, 2432, TX_PWR_DEFAULT},
  35         {6, 2437, TX_PWR_DEFAULT},
  36         {7, 2442, TX_PWR_DEFAULT},
  37         {8, 2447, TX_PWR_DEFAULT},
  38         {9, 2452, TX_PWR_DEFAULT},
  39         {10, 2457, TX_PWR_DEFAULT},
  40         {11, 2462, TX_PWR_DEFAULT},
  41         {12, 2467, TX_PWR_DEFAULT},
  42         {13, 2472, TX_PWR_DEFAULT},
  43         {14, 2484, TX_PWR_DEFAULT}
  44 };
  45
  46 static u8 wlan_region_2_code(u8 * region)
  47 {
  48         u8 i;
  49         u8 size = sizeof(region_code_mapping)/
  50                   sizeof(struct region_code_mapping);
  51
  52         for (i = 0; region[i] && i < COUNTRY_CODE_LEN; i++)
  53                 region[i] = toupper(region[i]);
  54
  55         for (i = 0; i < size; i++) {
  56                 if (!memcmp(region, region_code_mapping[i].region,
  57                             COUNTRY_CODE_LEN))
  58                         return (region_code_mapping[i].code);
  59         }
  60
  61         /* default is US */
  62         return (region_code_mapping[0].code);
  63 }
  64
  65 static u8 *wlan_code_2_region(u8 code)
  66 {
  67         u8 i;
  68         u8 size = sizeof(region_code_mapping)
  69                   / sizeof(struct region_code_mapping);
  70         for (i = 0; i < size; i++) {
  71                 if (region_code_mapping[i].code == code)
  72                         return (region_code_mapping[i].region);
  73         }
  74         /* default is US */
  75         return (region_code_mapping[0].region);
  76 }
  77
  78 /**
  79  *  @brief This function finds the nrchan-th chan after the firstchan
  80  *  @param band       band
  81  *  @param firstchan  first channel number
  82  *  @param nrchan   number of channels
  83  *  @return           the nrchan-th chan number
  84 */
  85 static u8 wlan_get_chan_11d(u8 band, u8 firstchan, u8 nrchan, u8 * chan)
  86 /*find the nrchan-th chan after the firstchan*/
  87 {
  88         u8 i;
  89         struct chan_freq_power *cfp;
  90         u8 cfp_no;
  91
  92         cfp = channel_freq_power_UN_BG;
  93         cfp_no = sizeof(channel_freq_power_UN_BG) /
  94             sizeof(struct chan_freq_power);
  95
  96         for (i = 0; i < cfp_no; i++) {
  97                 if ((cfp + i)->channel == firstchan) {
  98                         lbs_pr_debug(1, "firstchan found\n");
  99                         break;
 100                 }
 101         }
 102
 103         if (i < cfp_no) {
 104                 /*if beyond the boundary */
 105                 if (i + nrchan < cfp_no) {
 106                         *chan = (cfp + i + nrchan)->channel;
 107                         return 1;
 108                 }
 109         }
 110
 111         return 0;
 112 }
 113
 114 /**
 115  *  @brief This function Checks if chan txpwr is learned from AP/IBSS
 116  *  @param chan                 chan number
 117  *  @param parsed_region_chan   pointer to parsed_region_chan_11d
 118  *  @return                     TRUE; FALSE
 119 */
 120 static u8 wlan_channel_known_11d(u8 chan,
 121                           struct parsed_region_chan_11d * parsed_region_chan)
 122 {
 123         struct chan_power_11d *chanpwr = parsed_region_chan->chanpwr;
 124         u8 nr_chan = parsed_region_chan->nr_chan;
 125         u8 i = 0;
 126
 127         lbs_dbg_hex("11D:parsed_region_chan:", (char *)chanpwr,
 128                 sizeof(struct chan_power_11d) * nr_chan);
 129
 130         for (i = 0; i < nr_chan; i++) {
 131                 if (chan == chanpwr[i].chan) {
 132                         lbs_pr_debug(1, "11D: Found Chan:%d\n", chan);
 133                         return 1;
 134                 }
 135         }
 136
 137         lbs_pr_debug(1, "11D: Not Find Chan:%d\n", chan);
 138         return 0;
 139 }
 140
 141 u32 libertas_chan_2_freq(u8 chan, u8 band)
 142 {
 143         struct chan_freq_power *cf;
 144         u16 cnt;
 145         u16 i;
 146         u32 freq = 0;
 147
 148         cf = channel_freq_power_UN_BG;
 149         cnt =
 150             sizeof(channel_freq_power_UN_BG) /
 151             sizeof(struct chan_freq_power);
 152
 153         for (i = 0; i < cnt; i++) {
 154                 if (chan == cf[i].channel)
 155                         freq = cf[i].freq;
 156         }
 157
 158         return freq;
 159 }
 160
 161 static int generate_domain_info_11d(struct parsed_region_chan_11d
 162                                   *parsed_region_chan,
 163                                   struct wlan_802_11d_domain_reg * domaininfo)
 164 {
 165         u8 nr_subband = 0;
 166
 167         u8 nr_chan = parsed_region_chan->nr_chan;
 168         u8 nr_parsedchan = 0;
 169
 170         u8 firstchan = 0, nextchan = 0, maxpwr = 0;
 171
 172         u8 i, flag = 0;
 173
 174         memcpy(domaininfo->countrycode, parsed_region_chan->countrycode,
 175                COUNTRY_CODE_LEN);
 176
 177         lbs_pr_debug(1, "11D:nrchan=%d\n", nr_chan);
 178         lbs_dbg_hex("11D:parsed_region_chan:", (char *)parsed_region_chan,
 179                 sizeof(struct parsed_region_chan_11d));
 180
 181         for (i = 0; i < nr_chan; i++) {
 182                 if (!flag) {
 183                         flag = 1;
 184                         nextchan = firstchan =
 185                             parsed_region_chan->chanpwr[i].chan;
 186                         maxpwr = parsed_region_chan->chanpwr[i].pwr;
 187                         nr_parsedchan = 1;
 188                         continue;
 189                 }
 190
 191                 if (parsed_region_chan->chanpwr[i].chan == nextchan + 1 &&
 192                     parsed_region_chan->chanpwr[i].pwr == maxpwr) {
 193                         nextchan++;
 194                         nr_parsedchan++;
 195                 } else {
 196                         domaininfo->subband[nr_subband].firstchan = firstchan;
 197                         domaininfo->subband[nr_subband].nrchan =
 198                             nr_parsedchan;
 199                         domaininfo->subband[nr_subband].maxtxpwr = maxpwr;
 200                         nr_subband++;
 201                         nextchan = firstchan =
 202                             parsed_region_chan->chanpwr[i].chan;
 203                         maxpwr = parsed_region_chan->chanpwr[i].pwr;
 204                 }
 205         }
 206
 207         if (flag) {
 208                 domaininfo->subband[nr_subband].firstchan = firstchan;
 209                 domaininfo->subband[nr_subband].nrchan = nr_parsedchan;
 210                 domaininfo->subband[nr_subband].maxtxpwr = maxpwr;
 211                 nr_subband++;
 212         }
 213         domaininfo->nr_subband = nr_subband;
 214
 215         lbs_pr_debug(1, "nr_subband=%x\n", domaininfo->nr_subband);
 216         lbs_dbg_hex("11D:domaininfo:", (char *)domaininfo,
 217                 COUNTRY_CODE_LEN + 1 +
 218                 sizeof(struct ieeetypes_subbandset) * nr_subband);
 219         return 0;
 220 }
 221
 222 /**
 223  *  @brief This function generates parsed_region_chan from Domain Info learned from AP/IBSS
 224  *  @param region_chan          pointer to struct region_channel
 225  *  @param *parsed_region_chan  pointer to parsed_region_chan_11d
 226  *  @return                     N/A
 227 */
 228 static void wlan_generate_parsed_region_chan_11d(struct region_channel * region_chan,
 229                                           struct parsed_region_chan_11d *
 230                                           parsed_region_chan)
 231 {
 232         u8 i;
 233         struct chan_freq_power *cfp;
 234
 235         if (region_chan == NULL) {
 236                 lbs_pr_debug(1, "11D: region_chan is NULL\n");
 237                 return;
 238         }
 239
 240         cfp = region_chan->CFP;
 241         if (cfp == NULL) {
 242                 lbs_pr_debug(1, "11D: cfp equal NULL \n");
 243                 return;
 244         }
 245
 246         parsed_region_chan->band = region_chan->band;
 247         parsed_region_chan->region = region_chan->region;
 248         memcpy(parsed_region_chan->countrycode,
 249                wlan_code_2_region(region_chan->region), COUNTRY_CODE_LEN);
 250
 251         lbs_pr_debug(1, "11D: region[0x%x] band[%d]\n", parsed_region_chan->region,
 252                parsed_region_chan->band);
 253
 254         for (i = 0; i < region_chan->nrcfp; i++, cfp++) {
 255                 parsed_region_chan->chanpwr[i].chan = cfp->channel;
 256                 parsed_region_chan->chanpwr[i].pwr = cfp->maxtxpower;
 257                 lbs_pr_debug(1, "11D: Chan[%d] Pwr[%d]\n",
 258                        parsed_region_chan->chanpwr[i].chan,
 259                        parsed_region_chan->chanpwr[i].pwr);
 260         }
 261         parsed_region_chan->nr_chan = region_chan->nrcfp;
 262
 263         lbs_pr_debug(1, "11D: nrchan[%d]\n", parsed_region_chan->nr_chan);
 264
 265         return;
 266 }
 267
 268 /**
 269  *  @brief generate parsed_region_chan from Domain Info learned from AP/IBSS
 270  *  @param region               region ID
 271  *  @param band                 band
 272  *  @param chan                 chan
 273  *  @return                     TRUE;FALSE
 274 */
 275 static u8 wlan_region_chan_supported_11d(u8 region, u8 band, u8 chan)
 276 {
 277         struct chan_freq_power *cfp;
 278         int cfp_no;
 279         u8 idx;
 280
 281         ENTER();
 282
 283         cfp = libertas_get_region_cfp_table(region, band, &cfp_no);
 284         if (cfp == NULL)
 285                 return 0;
 286
 287         for (idx = 0; idx < cfp_no; idx++) {
 288                 if (chan == (cfp + idx)->channel) {
 289                         /* If Mrvl Chip Supported? */
 290                         if ((cfp + idx)->unsupported) {
 291                                 return 0;
 292                         } else {
 293                                 return 1;
 294                         }
 295                 }
 296         }
 297
 298         /*chan is not in the region table */
 299         LEAVE();
 300         return 0;
 301 }
 302
 303 /**
 304  *  @brief This function checks if chan txpwr is learned from AP/IBSS
 305  *  @param chan                 chan number
 306  *  @param parsed_region_chan   pointer to parsed_region_chan_11d
 307  *  @return                     0
 308 */
 309 static int parse_domain_info_11d(struct ieeetypes_countryinfofullset*
 310                                  countryinfo,
 311                                  u8 band,
 312                                  struct parsed_region_chan_11d *
 313                                  parsed_region_chan)
 314 {
 315         u8 nr_subband, nrchan;
 316         u8 lastchan, firstchan;
 317         u8 region;
 318         u8 curchan = 0;
 319
 320         u8 idx = 0;             /*chan index in parsed_region_chan */
 321
 322         u8 j, i;
 323
 324         ENTER();
 325
 326         /*validation Rules:
 327            1. valid region Code
 328            2. First Chan increment
 329            3. channel range no overlap
 330            4. channel is valid?
 331            5. channel is supported by region?
 332            6. Others
 333          */
 334
 335         lbs_dbg_hex("CountryInfo:", (u8 *) countryinfo, 30);
 336
 337         if ((*(countryinfo->countrycode)) == 0
 338             || (countryinfo->len <= COUNTRY_CODE_LEN)) {
 339                 /* No region Info or Wrong region info: treat as No 11D info */
 340                 LEAVE();
 341                 return 0;
 342         }
 343
 344         /*Step1: check region_code */
 345         parsed_region_chan->region = region =
 346             wlan_region_2_code(countryinfo->countrycode);
 347
 348         lbs_pr_debug(1, "regioncode=%x\n", (u8) parsed_region_chan->region);
 349         lbs_dbg_hex("CountryCode:", (char *)countryinfo->countrycode,
 350                 COUNTRY_CODE_LEN);
 351
 352         parsed_region_chan->band = band;
 353
 354         memcpy(parsed_region_chan->countrycode, countryinfo->countrycode,
 355                COUNTRY_CODE_LEN);
 356
 357         nr_subband = (countryinfo->len - COUNTRY_CODE_LEN) /
 358             sizeof(struct ieeetypes_subbandset);
 359
 360         for (j = 0, lastchan = 0; j < nr_subband; j++) {
 361
 362                 if (countryinfo->subband[j].firstchan <= lastchan) {
 363                         /*Step2&3. Check First Chan Num increment and no overlap */
 364                         lbs_pr_debug(1, "11D: Chan[%d>%d] Overlap\n",
 365                                countryinfo->subband[j].firstchan, lastchan);
 366                         continue;
 367                 }
 368
 369                 firstchan = countryinfo->subband[j].firstchan;
 370                 nrchan = countryinfo->subband[j].nrchan;
 371
 372                 for (i = 0; idx < MAX_NO_OF_CHAN && i < nrchan; i++) {
 373                         /*step4: channel is supported? */
 374
 375                         if (!wlan_get_chan_11d(band, firstchan, i, &curchan)) {
 376                                 /* Chan is not found in UN table */
 377                                 lbs_pr_debug(1, "chan is not supported: %d \n", i);
 378                                 break;
 379                         }
 380
 381                         lastchan = curchan;
 382
 383                         if (wlan_region_chan_supported_11d
 384                             (region, band, curchan)) {
 385                                 /*step5: Check if curchan is supported by mrvl in region */
 386                                 parsed_region_chan->chanpwr[idx].chan = curchan;
 387                                 parsed_region_chan->chanpwr[idx].pwr =
 388                                     countryinfo->subband[j].maxtxpwr;
 389                                 idx++;
 390                         } else {
 391                                 /*not supported and ignore the chan */
 392                                 lbs_pr_debug(1,
 393                                        "11D:i[%d] chan[%d] unsupported in region[%x] band[%d]\n",
 394                                        i, curchan, region, band);
 395                         }
 396                 }
 397
 398                 /*Step6: Add other checking if any */
 399
 400         }
 401
 402         parsed_region_chan->nr_chan = idx;
 403
 404         lbs_pr_debug(1, "nrchan=%x\n", parsed_region_chan->nr_chan);
 405         lbs_dbg_hex("11D:parsed_region_chan:", (u8 *) parsed_region_chan,
 406                 2 + COUNTRY_CODE_LEN + sizeof(struct parsed_region_chan_11d) * idx);
 407
 408         LEAVE();
 409         return 0;
 410 }
 411
 412 /**
 413  *  @brief This function calculates the scan type for channels
 414  *  @param chan                 chan number
 415  *  @param parsed_region_chan   pointer to parsed_region_chan_11d
 416  *  @return                     PASSIVE if chan is unknown; ACTIVE if chan is known
 417 */
 418 u8 libertas_get_scan_type_11d(u8 chan,
 419                           struct parsed_region_chan_11d * parsed_region_chan)
 420 {
 421         u8 scan_type = cmd_scan_type_passive;
 422
 423         ENTER();
 424
 425         if (wlan_channel_known_11d(chan, parsed_region_chan)) {
 426                 lbs_pr_debug(1, "11D: Found and do Active Scan\n");
 427                 scan_type = cmd_scan_type_active;
 428         } else {
 429                 lbs_pr_debug(1, "11D: Not Find and do Passive Scan\n");
 430         }
 431
 432         LEAVE();
 433         return scan_type;
 434
 435 }
 436
 437 void libertas_init_11d(wlan_private * priv)
 438 {
 439         priv->adapter->enable11d = 0;
 440         memset(&(priv->adapter->parsed_region_chan), 0,
 441                sizeof(struct parsed_region_chan_11d));
 442         return;
 443 }
 444
 445 static int wlan_enable_11d(wlan_private * priv, u8 flag)
 446 {
 447         int ret;
 448
 449         priv->adapter->enable11d = flag;
 450
 451         /* send cmd to FW to enable/disable 11D function in FW */
 452         ret = libertas_prepare_and_send_command(priv,
 453                                     cmd_802_11_snmp_mib,
 454                                     cmd_act_set,
 455                                     cmd_option_waitforrsp,
 456                                     OID_802_11D_ENABLE,
 457                                     &priv->adapter->enable11d);
 458         if (ret)
 459                 lbs_pr_debug(1, "11D: Fail to enable 11D \n");
 460
 461         return 0;
 462 }
 463
 464 /**
 465  *  @brief This function sets DOMAIN INFO to FW
 466  *  @param priv       pointer to wlan_private
 467  *  @return           0; -1
 468 */
 469 static int set_domain_info_11d(wlan_private * priv)
 470 {
 471         int ret;
 472
 473         if (!priv->adapter->enable11d) {
 474                 lbs_pr_debug(1, "11D: dnld domain Info with 11d disabled\n");
 475                 return 0;
 476         }
 477
 478         ret = libertas_prepare_and_send_command(priv, cmd_802_11d_domain_info,
 479                                     cmd_act_set,
 480                                     cmd_option_waitforrsp, 0, NULL);
 481         if (ret)
 482                 lbs_pr_debug(1, "11D: Fail to dnld domain Info\n");
 483
 484         return ret;
 485 }
 486
 487 /**
 488  *  @brief This function setups scan channels
 489  *  @param priv       pointer to wlan_private
 490  *  @param band       band
 491  *  @return           0
 492 */
 493 int libertas_set_universaltable(wlan_private * priv, u8 band)
 494 {
 495         wlan_adapter *adapter = priv->adapter;
 496         u16 size = sizeof(struct chan_freq_power);
 497         u16 i = 0;
 498
 499         memset(adapter->universal_channel, 0,
 500                sizeof(adapter->universal_channel));
 501
 502         adapter->universal_channel[i].nrcfp =
 503             sizeof(channel_freq_power_UN_BG) / size;
 504         lbs_pr_debug(1, "11D: BG-band nrcfp=%d\n",
 505                adapter->universal_channel[i].nrcfp);
 506
 507         adapter->universal_channel[i].CFP = channel_freq_power_UN_BG;
 508         adapter->universal_channel[i].valid = 1;
 509         adapter->universal_channel[i].region = UNIVERSAL_REGION_CODE;
 510         adapter->universal_channel[i].band = band;
 511         i++;
 512
 513         return 0;
 514 }
 515
 516 /**
 517  *  @brief This function implements command CMD_802_11D_DOMAIN_INFO
 518  *  @param priv       pointer to wlan_private
 519  *  @param cmd        pointer to cmd buffer
 520  *  @param cmdno      cmd ID
 521  *  @param cmdOption  cmd action
 522  *  @return           0
 523 */
 524 int libertas_cmd_802_11d_domain_info(wlan_private * priv,
 525                                  struct cmd_ds_command *cmd, u16 cmdno,
 526                                  u16 cmdoption)
 527 {
 528         struct cmd_ds_802_11d_domain_info *pdomaininfo =
 529             &cmd->params.domaininfo;
 530         struct mrvlietypes_domainparamset *domain = &pdomaininfo->domain;
 531         wlan_adapter *adapter = priv->adapter;
 532         u8 nr_subband = adapter->domainreg.nr_subband;
 533
 534         ENTER();
 535
 536         lbs_pr_debug(1, "nr_subband=%x\n", nr_subband);
 537
 538         cmd->command = cpu_to_le16(cmdno);
 539         pdomaininfo->action = cpu_to_le16(cmdoption);
 540         if (cmdoption == cmd_act_get) {
 541                 cmd->size =
 542                     cpu_to_le16(sizeof(pdomaininfo->action) + S_DS_GEN);
 543                 lbs_dbg_hex("11D: 802_11D_DOMAIN_INFO:", (u8 *) cmd,
 544                         (int)(cmd->size));
 545                 LEAVE();
 546                 return 0;
 547         }
 548
 549         domain->header.type = cpu_to_le16(TLV_TYPE_DOMAIN);
 550         memcpy(domain->countrycode, adapter->domainreg.countrycode,
 551                sizeof(domain->countrycode));
 552
 553         domain->header.len =
 554             cpu_to_le16(nr_subband * sizeof(struct ieeetypes_subbandset) +
 555                              sizeof(domain->countrycode));
 556
 557         if (nr_subband) {
 558                 memcpy(domain->subband, adapter->domainreg.subband,
 559                        nr_subband * sizeof(struct ieeetypes_subbandset));
 560
 561                 cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) +
 562                                              domain->header.len +
 563                                              sizeof(struct mrvlietypesheader) +
 564                                              S_DS_GEN);
 565         } else {
 566                 cmd->size =
 567                     cpu_to_le16(sizeof(pdomaininfo->action) + S_DS_GEN);
 568         }
 569
 570         lbs_dbg_hex("11D:802_11D_DOMAIN_INFO:", (u8 *) cmd, (int)(cmd->size));
 571
 572         LEAVE();
 573
 574         return 0;
 575 }
 576
 577 /**
 578  *  @brief This function implements private cmd: enable/disable 11D
 579  *  @param priv    pointer to wlan_private
 580  *  @param wrq     pointer to user data
 581  *  @return        0 or -1
 582  */
 583 int libertas_cmd_enable_11d(wlan_private * priv, struct iwreq *wrq)
 584 {
 585         int data = 0;
 586         int *val;
 587
 588         ENTER();
 589         data = SUBCMD_DATA(wrq);
 590
 591         lbs_pr_debug(1, "enable 11D: %s\n",
 592                (data == 1) ? "enable" : "Disable");
 593
 594         wlan_enable_11d(priv, data);
 595         val = (int *)wrq->u.name;
 596         *val = priv->adapter->enable11d;
 597
 598         LEAVE();
 599         return 0;
 600 }
 601
 602 /**
 603  *  @brief This function parses countryinfo from AP and download country info to FW
 604  *  @param priv    pointer to wlan_private
 605  *  @param resp    pointer to command response buffer
 606  *  @return        0; -1
 607  */
 608 int libertas_ret_802_11d_domain_info(wlan_private * priv,
 609                                  struct cmd_ds_command *resp)
 610 {
 611         struct cmd_ds_802_11d_domain_info
 612         *domaininfo = &resp->params.domaininforesp;
 613         struct mrvlietypes_domainparamset *domain = &domaininfo->domain;
 614         u16 action = le16_to_cpu(domaininfo->action);
 615         s16 ret = 0;
 616         u8 nr_subband = 0;
 617
 618         ENTER();
 619
 620         lbs_dbg_hex("11D DOMAIN Info Rsp Data:", (u8 *) resp,
 621                 (int)le16_to_cpu(resp->size));
 622
 623         nr_subband = (domain->header.len - 3) / sizeof(struct ieeetypes_subbandset);
 624         /* countrycode 3 bytes */
 625
 626         lbs_pr_debug(1, "11D Domain Info Resp: nr_subband=%d\n", nr_subband);
 627
 628         if (nr_subband > MRVDRV_MAX_SUBBAND_802_11D) {
 629                 lbs_pr_debug(1, "Invalid Numrer of Subband returned!!\n");
 630                 return -1;
 631         }
 632
 633         switch (action) {
 634         case cmd_act_set:       /*Proc Set action */
 635                 break;
 636
 637         case cmd_act_get:
 638                 break;
 639         default:
 640                 lbs_pr_debug(1, "Invalid action:%d\n", domaininfo->action);
 641                 ret = -1;
 642                 break;
 643         }
 644
 645         LEAVE();
 646         return ret;
 647 }
 648
 649 /**
 650  *  @brief This function parses countryinfo from AP and download country info to FW
 651  *  @param priv    pointer to wlan_private
 652  *  @return        0; -1
 653  */
 654 int libertas_parse_dnld_countryinfo_11d(wlan_private * priv)
 655 {
 656         int ret;
 657         wlan_adapter *adapter = priv->adapter;
 658
 659         ENTER();
 660         if (priv->adapter->enable11d) {
 661                 memset(&adapter->parsed_region_chan, 0,
 662                        sizeof(struct parsed_region_chan_11d));
 663                 ret = parse_domain_info_11d(&adapter->pattemptedbssdesc->
 664                                                countryinfo, 0,
 665                                                &adapter->parsed_region_chan);
 666
 667                 if (ret == -1) {
 668                         lbs_pr_debug(1, "11D: Err Parse domain_info from AP..\n");
 669                         LEAVE();
 670                         return ret;
 671                 }
 672
 673                 memset(&adapter->domainreg, 0,
 674                        sizeof(struct wlan_802_11d_domain_reg));
 675                 generate_domain_info_11d(&adapter->parsed_region_chan,
 676                                       &adapter->domainreg);
 677
 678                 ret = set_domain_info_11d(priv);
 679
 680                 if (ret) {
 681                         lbs_pr_debug(1, "11D: Err set domainInfo to FW\n");
 682                         LEAVE();
 683                         return ret;
 684                 }
 685         }
 686         LEAVE();
 687         return 0;
 688 }
 689
 690 /**
 691  *  @brief This function generates 11D info from user specified regioncode and download to FW
 692  *  @param priv    pointer to wlan_private
 693  *  @return        0; -1
 694  */
 695 int libertas_create_dnld_countryinfo_11d(wlan_private * priv)
 696 {
 697         int ret;
 698         wlan_adapter *adapter = priv->adapter;
 699         struct region_channel *region_chan;
 700         u8 j;
 701
 702         ENTER();
 703         lbs_pr_debug(1, "11D:curbssparams.band[%d]\n", adapter->curbssparams.band);
 704
 705         if (priv->adapter->enable11d) {
 706                 /* update parsed_region_chan_11; dnld domaininf to FW */
 707
 708                 for (j = 0; j < sizeof(adapter->region_channel) /
 709                      sizeof(adapter->region_channel[0]); j++) {
 710                         region_chan = &adapter->region_channel[j];
 711
 712                         lbs_pr_debug(1, "11D:[%d] region_chan->band[%d]\n", j,
 713                                region_chan->band);
 714
 715                         if (!region_chan || !region_chan->valid
 716                             || !region_chan->CFP)
 717                                 continue;
 718                         if (region_chan->band != adapter->curbssparams.band)
 719                                 continue;
 720                         break;
 721                 }
 722
 723                 if (j >= sizeof(adapter->region_channel) /
 724                     sizeof(adapter->region_channel[0])) {
 725                         lbs_pr_debug(1, "11D:region_chan not found. band[%d]\n",
 726                                adapter->curbssparams.band);
 727                         LEAVE();
 728                         return -1;
 729                 }
 730
 731                 memset(&adapter->parsed_region_chan, 0,
 732                        sizeof(struct parsed_region_chan_11d));
 733                 wlan_generate_parsed_region_chan_11d(region_chan,
 734                                                      &adapter->
 735                                                      parsed_region_chan);
 736
 737                 memset(&adapter->domainreg, 0,
 738                        sizeof(struct wlan_802_11d_domain_reg));
 739                 generate_domain_info_11d(&adapter->parsed_region_chan,
 740                                          &adapter->domainreg);
 741
 742                 ret = set_domain_info_11d(priv);
 743
 744                 if (ret) {
 745                         lbs_pr_debug(1, "11D: Err set domainInfo to FW\n");
 746                         LEAVE();
 747                         return ret;
 748                 }
 749
 750         }
 751
 752         LEAVE();
 753         return 0;
 754 }