drivers/net/wireless/libertas/join.c

   1 /**
   2   *  Functions implementing wlan infrastructure and adhoc join routines,
   3   *  IOCTL handlers as well as command preperation and response routines
   4   *  for sending adhoc start, adhoc join, and association commands
   5   *  to the firmware.
   6   */
   7 #include <linux/netdevice.h>
   8 #include <linux/if_arp.h>
   9 #include <linux/wireless.h>
  10
  11 #include <net/iw_handler.h>
  12
  13 #include "host.h"
  14 #include "decl.h"
  15 #include "join.h"
  16 #include "dev.h"
  17
  18 #define AD_HOC_CAP_PRIVACY_ON 1
  19
  20 /**
  21  *  @brief This function finds out the common rates between rate1 and rate2.
  22  *
  23  * It will fill common rates in rate1 as output if found.
  24  *
  25  * NOTE: Setting the MSB of the basic rates need to be taken
  26  *   care, either before or after calling this function
  27  *
  28  *  @param adapter     A pointer to wlan_adapter structure
  29  *  @param rate1       the buffer which keeps input and output
  30  *  @param rate1_size  the size of rate1 buffer
  31  *  @param rate2       the buffer which keeps rate2
  32  *  @param rate2_size  the size of rate2 buffer.
  33  *
  34  *  @return            0 or -1
  35  */
  36 static int get_common_rates(wlan_adapter * adapter, u8 * rate1,
  37                             int rate1_size, u8 * rate2, int rate2_size)
  38 {
  39         u8 *ptr = rate1;
  40         int ret = 0;
  41         u8 tmp[30];
  42         int i;
  43
  44         memset(&tmp, 0, sizeof(tmp));
  45         memcpy(&tmp, rate1, min_t(size_t, rate1_size, sizeof(tmp)));
  46         memset(rate1, 0, rate1_size);
  47
  48         /* Mask the top bit of the original values */
  49         for (i = 0; tmp[i] && i < sizeof(tmp); i++)
  50                 tmp[i] &= 0x7F;
  51
  52         for (i = 0; rate2[i] && i < rate2_size; i++) {
  53                 /* Check for Card Rate in tmp, excluding the top bit */
  54                 if (strchr(tmp, rate2[i] & 0x7F)) {
  55                         /* values match, so copy the Card Rate to rate1 */
  56                         *rate1++ = rate2[i];
  57                 }
  58         }
  59
  60         lbs_dbg_hex("rate1 (AP) rates:", tmp, sizeof(tmp));
  61         lbs_dbg_hex("rate2 (Card) rates:", rate2, rate2_size);
  62         lbs_dbg_hex("Common rates:", ptr, rate1_size);
  63         lbs_deb_join("Tx datarate is set to 0x%X\n", adapter->datarate);
  64
  65         if (!adapter->is_datarate_auto) {
  66                 while (*ptr) {
  67                         if ((*ptr & 0x7f) == adapter->datarate) {
  68                                 ret = 0;
  69                                 goto done;
  70                         }
  71                         ptr++;
  72                 }
  73                 lbs_pr_alert( "Previously set fixed data rate %#x isn't "
  74                        "compatible with the network.\n", adapter->datarate);
  75
  76                 ret = -1;
  77                 goto done;
  78         }
  79
  80         ret = 0;
  81 done:
  82         return ret;
  83 }
  84
  85 int libertas_send_deauth(wlan_private * priv)
  86 {
  87         wlan_adapter *adapter = priv->adapter;
  88         int ret = 0;
  89
  90         if (adapter->mode == IW_MODE_INFRA &&
  91             adapter->connect_status == libertas_connected)
  92                 ret = libertas_send_deauthentication(priv);
  93         else
  94                 ret = -ENOTSUPP;
  95
  96         return ret;
  97 }
  98
  99 /**
 100  *  @brief Associate to a specific BSS discovered in a scan
 101  *
 102  *  @param priv      A pointer to wlan_private structure
 103  *  @param pbssdesc  Pointer to the BSS descriptor to associate with.
 104  *
 105  *  @return          0-success, otherwise fail
 106  */
 107 int wlan_associate(wlan_private * priv, struct bss_descriptor * pbssdesc)
 108 {
 109         wlan_adapter *adapter = priv->adapter;
 110         int ret;
 111
 112         lbs_deb_enter(LBS_DEB_JOIN);
 113
 114         ret = libertas_prepare_and_send_command(priv, cmd_802_11_authenticate,
 115                                     0, cmd_option_waitforrsp,
 116                                     0, pbssdesc->bssid);
 117
 118         if (ret)
 119                 goto done;
 120
 121         /* set preamble to firmware */
 122         if (adapter->capinfo.shortpreamble && pbssdesc->cap.shortpreamble)
 123                 adapter->preamble = cmd_type_short_preamble;
 124         else
 125                 adapter->preamble = cmd_type_long_preamble;
 126
 127         libertas_set_radio_control(priv);
 128
 129         ret = libertas_prepare_and_send_command(priv, cmd_802_11_associate,
 130                                     0, cmd_option_waitforrsp, 0, pbssdesc);
 131
 132 done:
 133         lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
 134         return ret;
 135 }
 136
 137 /**
 138  *  @brief Start an Adhoc Network
 139  *
 140  *  @param priv         A pointer to wlan_private structure
 141  *  @param adhocssid    The ssid of the Adhoc Network
 142  *  @return             0--success, -1--fail
 143  */
 144 int libertas_start_adhoc_network(wlan_private * priv, struct WLAN_802_11_SSID *adhocssid)
 145 {
 146         wlan_adapter *adapter = priv->adapter;
 147         int ret = 0;
 148
 149         adapter->adhoccreate = 1;
 150
 151         if (!adapter->capinfo.shortpreamble) {
 152                 lbs_deb_join("AdhocStart: Long preamble\n");
 153                 adapter->preamble = cmd_type_long_preamble;
 154         } else {
 155                 lbs_deb_join("AdhocStart: Short preamble\n");
 156                 adapter->preamble = cmd_type_short_preamble;
 157         }
 158
 159         libertas_set_radio_control(priv);
 160
 161         lbs_deb_join("curbssparams.channel = %d\n",
 162                adapter->curbssparams.channel);
 163         lbs_deb_join("curbssparams.band = %d\n", adapter->curbssparams.band);
 164
 165         ret = libertas_prepare_and_send_command(priv, cmd_802_11_ad_hoc_start,
 166                                     0, cmd_option_waitforrsp, 0, adhocssid);
 167
 168         return ret;
 169 }
 170
 171 /**
 172  *  @brief Join an adhoc network found in a previous scan
 173  *
 174  *  @param priv         A pointer to wlan_private structure
 175  *  @param pbssdesc     Pointer to a BSS descriptor found in a previous scan
 176  *                      to attempt to join
 177  *
 178  *  @return             0--success, -1--fail
 179  */
 180 int libertas_join_adhoc_network(wlan_private * priv, struct bss_descriptor * pbssdesc)
 181 {
 182         wlan_adapter *adapter = priv->adapter;
 183         int ret = 0;
 184
 185         lbs_deb_join("libertas_join_adhoc_network: CurBss.ssid =%s\n",
 186                adapter->curbssparams.ssid.ssid);
 187         lbs_deb_join("libertas_join_adhoc_network: CurBss.ssid_len =%u\n",
 188                adapter->curbssparams.ssid.ssidlength);
 189         lbs_deb_join("libertas_join_adhoc_network: ssid =%s\n", pbssdesc->ssid.ssid);
 190         lbs_deb_join("libertas_join_adhoc_network: ssid len =%u\n",
 191                pbssdesc->ssid.ssidlength);
 192
 193         /* check if the requested SSID is already joined */
 194         if (adapter->curbssparams.ssid.ssidlength
 195             && !libertas_SSID_cmp(&pbssdesc->ssid, &adapter->curbssparams.ssid)
 196             && (adapter->mode == IW_MODE_ADHOC)) {
 197
 198         lbs_deb_join(
 199                        "ADHOC_J_CMD: New ad-hoc SSID is the same as current, "
 200                        "not attempting to re-join");
 201
 202                 return -1;
 203         }
 204
 205         /*Use shortpreamble only when both creator and card supports
 206            short preamble */
 207         if (!pbssdesc->cap.shortpreamble || !adapter->capinfo.shortpreamble) {
 208                 lbs_deb_join("AdhocJoin: Long preamble\n");
 209                 adapter->preamble = cmd_type_long_preamble;
 210         } else {
 211                 lbs_deb_join("AdhocJoin: Short preamble\n");
 212                 adapter->preamble = cmd_type_short_preamble;
 213         }
 214
 215         libertas_set_radio_control(priv);
 216
 217         lbs_deb_join("curbssparams.channel = %d\n",
 218                adapter->curbssparams.channel);
 219         lbs_deb_join("curbssparams.band = %c\n", adapter->curbssparams.band);
 220
 221         adapter->adhoccreate = 0;
 222
 223         ret = libertas_prepare_and_send_command(priv, cmd_802_11_ad_hoc_join,
 224                                     0, cmd_option_waitforrsp,
 225                                     OID_802_11_SSID, pbssdesc);
 226
 227         return ret;
 228 }
 229
 230 int libertas_stop_adhoc_network(wlan_private * priv)
 231 {
 232         return libertas_prepare_and_send_command(priv, cmd_802_11_ad_hoc_stop,
 233                                      0, cmd_option_waitforrsp, 0, NULL);
 234 }
 235
 236 /**
 237  *  @brief Send Deauthentication Request
 238  *
 239  *  @param priv      A pointer to wlan_private structure
 240  *  @return          0--success, -1--fail
 241  */
 242 int libertas_send_deauthentication(wlan_private * priv)
 243 {
 244         return libertas_prepare_and_send_command(priv, cmd_802_11_deauthenticate,
 245                                      0, cmd_option_waitforrsp, 0, NULL);
 246 }
 247
 248 /**
 249  *  @brief This function prepares command of authenticate.
 250  *
 251  *  @param priv      A pointer to wlan_private structure
 252  *  @param cmd       A pointer to cmd_ds_command structure
 253  *  @param pdata_buf Void cast of pointer to a BSSID to authenticate with
 254  *
 255  *  @return         0 or -1
 256  */
 257 int libertas_cmd_80211_authenticate(wlan_private * priv,
 258                                  struct cmd_ds_command *cmd,
 259                                  void *pdata_buf)
 260 {
 261         wlan_adapter *adapter = priv->adapter;
 262         struct cmd_ds_802_11_authenticate *pauthenticate = &cmd->params.auth;
 263         int ret = -1;
 264         u8 *bssid = pdata_buf;
 265
 266         cmd->command = cpu_to_le16(cmd_802_11_authenticate);
 267         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_authenticate)
 268                                 + S_DS_GEN);
 269
 270         /* translate auth mode to 802.11 defined wire value */
 271         switch (adapter->secinfo.auth_mode) {
 272         case IW_AUTH_ALG_OPEN_SYSTEM:
 273                 pauthenticate->authtype = 0x00;
 274                 break;
 275         case IW_AUTH_ALG_SHARED_KEY:
 276                 pauthenticate->authtype = 0x01;
 277                 break;
 278         case IW_AUTH_ALG_LEAP:
 279                 pauthenticate->authtype = 0x80;
 280                 break;
 281         default:
 282                 lbs_deb_join("AUTH_CMD: invalid auth alg 0x%X\n",
 283                              adapter->secinfo.auth_mode);
 284                 goto out;
 285         }
 286
 287         memcpy(pauthenticate->macaddr, bssid, ETH_ALEN);
 288
 289         lbs_deb_join("AUTH_CMD: Bssid is : %x:%x:%x:%x:%x:%x\n",
 290                bssid[0], bssid[1], bssid[2], bssid[3], bssid[4], bssid[5]);
 291         ret = 0;
 292
 293 out:
 294         return ret;
 295 }
 296
 297 int libertas_cmd_80211_deauthenticate(wlan_private * priv,
 298                                    struct cmd_ds_command *cmd)
 299 {
 300         wlan_adapter *adapter = priv->adapter;
 301         struct cmd_ds_802_11_deauthenticate *dauth = &cmd->params.deauth;
 302
 303         lbs_deb_enter(LBS_DEB_JOIN);
 304
 305         cmd->command = cpu_to_le16(cmd_802_11_deauthenticate);
 306         cmd->size =
 307             cpu_to_le16(sizeof(struct cmd_ds_802_11_deauthenticate) +
 308                              S_DS_GEN);
 309
 310         /* set AP MAC address */
 311         memmove(dauth->macaddr, adapter->curbssparams.bssid,
 312                 ETH_ALEN);
 313
 314         /* Reason code 3 = Station is leaving */
 315 #define REASON_CODE_STA_LEAVING 3
 316         dauth->reasoncode = cpu_to_le16(REASON_CODE_STA_LEAVING);
 317
 318         lbs_deb_leave(LBS_DEB_JOIN);
 319         return 0;
 320 }
 321
 322 int libertas_cmd_80211_associate(wlan_private * priv,
 323                               struct cmd_ds_command *cmd, void *pdata_buf)
 324 {
 325         wlan_adapter *adapter = priv->adapter;
 326         struct cmd_ds_802_11_associate *passo = &cmd->params.associate;
 327         int ret = 0;
 328         struct bss_descriptor *pbssdesc;
 329         u8 *card_rates;
 330         u8 *pos;
 331         int card_rates_size;
 332         u16 tmpcap;
 333         struct mrvlietypes_ssidparamset *ssid;
 334         struct mrvlietypes_phyparamset *phy;
 335         struct mrvlietypes_ssparamset *ss;
 336         struct mrvlietypes_ratesparamset *rates;
 337         struct mrvlietypes_rsnparamset *rsn;
 338
 339         lbs_deb_enter(LBS_DEB_JOIN);
 340
 341         pbssdesc = pdata_buf;
 342         pos = (u8 *) passo;
 343
 344         if (!adapter) {
 345                 ret = -1;
 346                 goto done;
 347         }
 348
 349         cmd->command = cpu_to_le16(cmd_802_11_associate);
 350
 351         /* Save so we know which BSS Desc to use in the response handler */
 352         adapter->pattemptedbssdesc = pbssdesc;
 353
 354         memcpy(passo->peerstaaddr,
 355                pbssdesc->bssid, sizeof(passo->peerstaaddr));
 356         pos += sizeof(passo->peerstaaddr);
 357
 358         /* set the listen interval */
 359         passo->listeninterval = adapter->listeninterval;
 360
 361         pos += sizeof(passo->capinfo);
 362         pos += sizeof(passo->listeninterval);
 363         pos += sizeof(passo->bcnperiod);
 364         pos += sizeof(passo->dtimperiod);
 365
 366         ssid = (struct mrvlietypes_ssidparamset *) pos;
 367         ssid->header.type = cpu_to_le16(TLV_TYPE_SSID);
 368         ssid->header.len = pbssdesc->ssid.ssidlength;
 369         memcpy(ssid->ssid, pbssdesc->ssid.ssid, ssid->header.len);
 370         pos += sizeof(ssid->header) + ssid->header.len;
 371         ssid->header.len = cpu_to_le16(ssid->header.len);
 372
 373         phy = (struct mrvlietypes_phyparamset *) pos;
 374         phy->header.type = cpu_to_le16(TLV_TYPE_PHY_DS);
 375         phy->header.len = sizeof(phy->fh_ds.dsparamset);
 376         memcpy(&phy->fh_ds.dsparamset,
 377                &pbssdesc->phyparamset.dsparamset.currentchan,
 378                sizeof(phy->fh_ds.dsparamset));
 379         pos += sizeof(phy->header) + phy->header.len;
 380         phy->header.len = cpu_to_le16(phy->header.len);
 381
 382         ss = (struct mrvlietypes_ssparamset *) pos;
 383         ss->header.type = cpu_to_le16(TLV_TYPE_CF);
 384         ss->header.len = sizeof(ss->cf_ibss.cfparamset);
 385         pos += sizeof(ss->header) + ss->header.len;
 386         ss->header.len = cpu_to_le16(ss->header.len);
 387
 388         rates = (struct mrvlietypes_ratesparamset *) pos;
 389         rates->header.type = cpu_to_le16(TLV_TYPE_RATES);
 390
 391         memcpy(&rates->rates, &pbssdesc->libertas_supported_rates, WLAN_SUPPORTED_RATES);
 392
 393         card_rates = libertas_supported_rates;
 394         card_rates_size = sizeof(libertas_supported_rates);
 395
 396         if (get_common_rates(adapter, rates->rates, WLAN_SUPPORTED_RATES,
 397                              card_rates, card_rates_size)) {
 398                 ret = -1;
 399                 goto done;
 400         }
 401
 402         rates->header.len = min_t(size_t, strlen(rates->rates), WLAN_SUPPORTED_RATES);
 403         adapter->curbssparams.numofrates = rates->header.len;
 404
 405         pos += sizeof(rates->header) + rates->header.len;
 406         rates->header.len = cpu_to_le16(rates->header.len);
 407
 408         if (adapter->secinfo.WPAenabled || adapter->secinfo.WPA2enabled) {
 409                 rsn = (struct mrvlietypes_rsnparamset *) pos;
 410                 rsn->header.type = (u16) adapter->wpa_ie[0];    /* WPA_IE or WPA2_IE */
 411                 rsn->header.type = cpu_to_le16(rsn->header.type);
 412                 rsn->header.len = (u16) adapter->wpa_ie[1];
 413                 memcpy(rsn->rsnie, &adapter->wpa_ie[2], rsn->header.len);
 414                 lbs_dbg_hex("ASSOC_CMD: RSN IE", (u8 *) rsn,
 415                         sizeof(rsn->header) + rsn->header.len);
 416                 pos += sizeof(rsn->header) + rsn->header.len;
 417                 rsn->header.len = cpu_to_le16(rsn->header.len);
 418         }
 419
 420         /* update curbssparams */
 421         adapter->curbssparams.channel =
 422             (pbssdesc->phyparamset.dsparamset.currentchan);
 423
 424         /* Copy the infra. association rates into Current BSS state structure */
 425         memcpy(&adapter->curbssparams.datarates, &rates->rates,
 426                min_t(size_t, sizeof(adapter->curbssparams.datarates), rates->header.len));
 427
 428         lbs_deb_join("ASSOC_CMD: rates->header.len = %d\n", rates->header.len);
 429
 430         /* set IBSS field */
 431         if (pbssdesc->mode == IW_MODE_INFRA) {
 432 #define CAPINFO_ESS_MODE 1
 433                 passo->capinfo.ess = CAPINFO_ESS_MODE;
 434         }
 435
 436         if (libertas_parse_dnld_countryinfo_11d(priv)) {
 437                 ret = -1;
 438                 goto done;
 439         }
 440
 441         cmd->size = cpu_to_le16((u16) (pos - (u8 *) passo) + S_DS_GEN);
 442
 443         /* set the capability info at last */
 444         memcpy(&tmpcap, &pbssdesc->cap, sizeof(passo->capinfo));
 445         tmpcap &= CAPINFO_MASK;
 446         lbs_deb_join("ASSOC_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n",
 447                tmpcap, CAPINFO_MASK);
 448         tmpcap = cpu_to_le16(tmpcap);
 449         memcpy(&passo->capinfo, &tmpcap, sizeof(passo->capinfo));
 450
 451 done:
 452         lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
 453         return ret;
 454 }
 455
 456 int libertas_cmd_80211_ad_hoc_start(wlan_private * priv,
 457                                  struct cmd_ds_command *cmd, void *pssid)
 458 {
 459         wlan_adapter *adapter = priv->adapter;
 460         struct cmd_ds_802_11_ad_hoc_start *adhs = &cmd->params.ads;
 461         int ret = 0;
 462         int cmdappendsize = 0;
 463         int i;
 464         u16 tmpcap;
 465         struct bss_descriptor *pbssdesc;
 466         struct WLAN_802_11_SSID *ssid = pssid;
 467
 468         lbs_deb_enter(LBS_DEB_JOIN);
 469
 470         if (!adapter) {
 471                 ret = -1;
 472                 goto done;
 473         }
 474
 475         cmd->command = cpu_to_le16(cmd_802_11_ad_hoc_start);
 476
 477         pbssdesc = &adapter->curbssparams.bssdescriptor;
 478         adapter->pattemptedbssdesc = pbssdesc;
 479
 480         /*
 481          * Fill in the parameters for 2 data structures:
 482          *   1. cmd_ds_802_11_ad_hoc_start command
 483          *   2. adapter->scantable[i]
 484          *
 485          * Driver will fill up SSID, bsstype,IBSS param, Physical Param,
 486          *   probe delay, and cap info.
 487          *
 488          * Firmware will fill up beacon period, DTIM, Basic rates
 489          *   and operational rates.
 490          */
 491
 492         memset(adhs->SSID, 0, IW_ESSID_MAX_SIZE);
 493
 494         memcpy(adhs->SSID, ssid->ssid, ssid->ssidlength);
 495
 496         lbs_deb_join("ADHOC_S_CMD: SSID = %s\n", adhs->SSID);
 497
 498         memset(pbssdesc->ssid.ssid, 0, IW_ESSID_MAX_SIZE);
 499         memcpy(pbssdesc->ssid.ssid, ssid->ssid, ssid->ssidlength);
 500
 501         pbssdesc->ssid.ssidlength = ssid->ssidlength;
 502
 503         /* set the BSS type */
 504         adhs->bsstype = cmd_bss_type_ibss;
 505         pbssdesc->mode = IW_MODE_ADHOC;
 506         adhs->beaconperiod = adapter->beaconperiod;
 507
 508         /* set Physical param set */
 509 #define DS_PARA_IE_ID   3
 510 #define DS_PARA_IE_LEN  1
 511
 512         adhs->phyparamset.dsparamset.elementid = DS_PARA_IE_ID;
 513         adhs->phyparamset.dsparamset.len = DS_PARA_IE_LEN;
 514
 515         WARN_ON(!adapter->curbssparams.channel);
 516
 517         lbs_deb_join("ADHOC_S_CMD: Creating ADHOC on channel %d\n",
 518                adapter->curbssparams.channel);
 519
 520         pbssdesc->channel = adapter->curbssparams.channel;
 521         adhs->phyparamset.dsparamset.currentchan = adapter->curbssparams.channel;
 522
 523         memcpy(&pbssdesc->phyparamset,
 524                &adhs->phyparamset, sizeof(union ieeetypes_phyparamset));
 525
 526         /* set IBSS param set */
 527 #define IBSS_PARA_IE_ID   6
 528 #define IBSS_PARA_IE_LEN  2
 529
 530         adhs->ssparamset.ibssparamset.elementid = IBSS_PARA_IE_ID;
 531         adhs->ssparamset.ibssparamset.len = IBSS_PARA_IE_LEN;
 532         adhs->ssparamset.ibssparamset.atimwindow = adapter->atimwindow;
 533         memcpy(&pbssdesc->ssparamset,
 534                &adhs->ssparamset, sizeof(union IEEEtypes_ssparamset));
 535
 536         /* set capability info */
 537         adhs->cap.ess = 0;
 538         adhs->cap.ibss = 1;
 539         pbssdesc->cap.ibss = 1;
 540
 541         /* probedelay */
 542         adhs->probedelay = cpu_to_le16(cmd_scan_probe_delay_time);
 543
 544         /* set up privacy in adapter->scantable[i] */
 545         if (adapter->secinfo.wep_enabled) {
 546                 lbs_deb_join("ADHOC_S_CMD: WEP enabled, setting privacy on\n");
 547                 pbssdesc->privacy = wlan802_11privfilter8021xWEP;
 548                 adhs->cap.privacy = AD_HOC_CAP_PRIVACY_ON;
 549         } else {
 550                 lbs_deb_join("ADHOC_S_CMD: WEP disabled, setting privacy off\n");
 551                 pbssdesc->privacy = wlan802_11privfilteracceptall;
 552         }
 553
 554         memset(adhs->datarate, 0, sizeof(adhs->datarate));
 555
 556         if (adapter->adhoc_grate_enabled) {
 557                 memcpy(adhs->datarate, libertas_adhoc_rates_g,
 558                        min(sizeof(adhs->datarate), sizeof(libertas_adhoc_rates_g)));
 559         } else {
 560                 memcpy(adhs->datarate, libertas_adhoc_rates_b,
 561                        min(sizeof(adhs->datarate), sizeof(libertas_adhoc_rates_b)));
 562         }
 563
 564         /* Find the last non zero */
 565         for (i = 0; i < sizeof(adhs->datarate) && adhs->datarate[i]; i++) ;
 566
 567         adapter->curbssparams.numofrates = i;
 568
 569         /* Copy the ad-hoc creating rates into Current BSS state structure */
 570         memcpy(&adapter->curbssparams.datarates,
 571                &adhs->datarate, adapter->curbssparams.numofrates);
 572
 573         lbs_deb_join("ADHOC_S_CMD: rates=%02x %02x %02x %02x \n",
 574                adhs->datarate[0], adhs->datarate[1],
 575                adhs->datarate[2], adhs->datarate[3]);
 576
 577         lbs_deb_join("ADHOC_S_CMD: AD HOC Start command is ready\n");
 578
 579         if (libertas_create_dnld_countryinfo_11d(priv)) {
 580                 lbs_deb_join("ADHOC_S_CMD: dnld_countryinfo_11d failed\n");
 581                 ret = -1;
 582                 goto done;
 583         }
 584
 585         cmd->size =
 586             cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_start)
 587                              + S_DS_GEN + cmdappendsize);
 588
 589         memcpy(&tmpcap, &adhs->cap, sizeof(u16));
 590         tmpcap = cpu_to_le16(tmpcap);
 591         memcpy(&adhs->cap, &tmpcap, sizeof(u16));
 592
 593         ret = 0;
 594 done:
 595         lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
 596         return ret;
 597 }
 598
 599 int libertas_cmd_80211_ad_hoc_stop(wlan_private * priv,
 600                                 struct cmd_ds_command *cmd)
 601 {
 602         cmd->command = cpu_to_le16(cmd_802_11_ad_hoc_stop);
 603         cmd->size = cpu_to_le16(S_DS_GEN);
 604
 605         return 0;
 606 }
 607
 608 int libertas_cmd_80211_ad_hoc_join(wlan_private * priv,
 609                                 struct cmd_ds_command *cmd, void *pdata_buf)
 610 {
 611         wlan_adapter *adapter = priv->adapter;
 612         struct cmd_ds_802_11_ad_hoc_join *padhocjoin = &cmd->params.adj;
 613         struct bss_descriptor *pbssdesc = pdata_buf;
 614         int cmdappendsize = 0;
 615         int ret = 0;
 616         u8 *card_rates;
 617         int card_rates_size;
 618         u16 tmpcap;
 619         int i;
 620
 621         lbs_deb_enter(LBS_DEB_JOIN);
 622
 623         adapter->pattemptedbssdesc = pbssdesc;
 624
 625         cmd->command = cpu_to_le16(cmd_802_11_ad_hoc_join);
 626
 627         padhocjoin->bssdescriptor.bsstype = cmd_bss_type_ibss;
 628
 629         padhocjoin->bssdescriptor.beaconperiod = pbssdesc->beaconperiod;
 630
 631         memcpy(&padhocjoin->bssdescriptor.BSSID,
 632                &pbssdesc->bssid, ETH_ALEN);
 633
 634         memcpy(&padhocjoin->bssdescriptor.SSID,
 635                &pbssdesc->ssid.ssid, pbssdesc->ssid.ssidlength);
 636
 637         memcpy(&padhocjoin->bssdescriptor.phyparamset,
 638                &pbssdesc->phyparamset, sizeof(union ieeetypes_phyparamset));
 639
 640         memcpy(&padhocjoin->bssdescriptor.ssparamset,
 641                &pbssdesc->ssparamset, sizeof(union IEEEtypes_ssparamset));
 642
 643         memcpy(&tmpcap, &pbssdesc->cap, sizeof(struct ieeetypes_capinfo));
 644         tmpcap &= CAPINFO_MASK;
 645
 646         lbs_deb_join("ADHOC_J_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n",
 647                tmpcap, CAPINFO_MASK);
 648         memcpy(&padhocjoin->bssdescriptor.cap, &tmpcap,
 649                sizeof(struct ieeetypes_capinfo));
 650
 651         /* information on BSSID descriptor passed to FW */
 652     lbs_deb_join(
 653                "ADHOC_J_CMD: BSSID = %2x-%2x-%2x-%2x-%2x-%2x, SSID = %s\n",
 654                padhocjoin->bssdescriptor.BSSID[0],
 655                padhocjoin->bssdescriptor.BSSID[1],
 656                padhocjoin->bssdescriptor.BSSID[2],
 657                padhocjoin->bssdescriptor.BSSID[3],
 658                padhocjoin->bssdescriptor.BSSID[4],
 659                padhocjoin->bssdescriptor.BSSID[5],
 660                padhocjoin->bssdescriptor.SSID);
 661
 662         /* failtimeout */
 663         padhocjoin->failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
 664
 665         /* probedelay */
 666         padhocjoin->probedelay =
 667             cpu_to_le16(cmd_scan_probe_delay_time);
 668
 669         /* Copy Data rates from the rates recorded in scan response */
 670         memset(padhocjoin->bssdescriptor.datarates, 0,
 671                sizeof(padhocjoin->bssdescriptor.datarates));
 672         memcpy(padhocjoin->bssdescriptor.datarates, pbssdesc->datarates,
 673                min(sizeof(padhocjoin->bssdescriptor.datarates),
 674                    sizeof(pbssdesc->datarates)));
 675
 676         card_rates = libertas_supported_rates;
 677         card_rates_size = sizeof(libertas_supported_rates);
 678
 679         adapter->curbssparams.channel = pbssdesc->channel;
 680
 681         if (get_common_rates(adapter, padhocjoin->bssdescriptor.datarates,
 682                              sizeof(padhocjoin->bssdescriptor.datarates),
 683                              card_rates, card_rates_size)) {
 684                 lbs_deb_join("ADHOC_J_CMD: get_common_rates returns error.\n");
 685                 ret = -1;
 686                 goto done;
 687         }
 688
 689         /* Find the last non zero */
 690         for (i = 0; i < sizeof(padhocjoin->bssdescriptor.datarates)
 691              && padhocjoin->bssdescriptor.datarates[i]; i++) ;
 692
 693         adapter->curbssparams.numofrates = i;
 694
 695         /*
 696          * Copy the adhoc joining rates to Current BSS State structure
 697          */
 698         memcpy(adapter->curbssparams.datarates,
 699                padhocjoin->bssdescriptor.datarates,
 700                adapter->curbssparams.numofrates);
 701
 702         padhocjoin->bssdescriptor.ssparamset.ibssparamset.atimwindow =
 703             cpu_to_le16(pbssdesc->atimwindow);
 704
 705         if (adapter->secinfo.wep_enabled) {
 706                 padhocjoin->bssdescriptor.cap.privacy = AD_HOC_CAP_PRIVACY_ON;
 707         }
 708
 709         if (adapter->psmode == wlan802_11powermodemax_psp) {
 710                 /* wake up first */
 711                 enum WLAN_802_11_POWER_MODE Localpsmode;
 712
 713                 Localpsmode = wlan802_11powermodecam;
 714                 ret = libertas_prepare_and_send_command(priv,
 715                                             cmd_802_11_ps_mode,
 716                                             cmd_act_set,
 717                                             0, 0, &Localpsmode);
 718
 719                 if (ret) {
 720                         ret = -1;
 721                         goto done;
 722                 }
 723         }
 724
 725         if (libertas_parse_dnld_countryinfo_11d(priv)) {
 726                 ret = -1;
 727                 goto done;
 728         }
 729
 730         cmd->size =
 731             cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_join)
 732                              + S_DS_GEN + cmdappendsize);
 733
 734         memcpy(&tmpcap, &padhocjoin->bssdescriptor.cap,
 735                sizeof(struct ieeetypes_capinfo));
 736         tmpcap = cpu_to_le16(tmpcap);
 737
 738         memcpy(&padhocjoin->bssdescriptor.cap,
 739                &tmpcap, sizeof(struct ieeetypes_capinfo));
 740
 741 done:
 742         lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
 743         return ret;
 744 }
 745
 746 int libertas_ret_80211_associate(wlan_private * priv,
 747                               struct cmd_ds_command *resp)
 748 {
 749         wlan_adapter *adapter = priv->adapter;
 750         int ret = 0;
 751         union iwreq_data wrqu;
 752         struct ieeetypes_assocrsp *passocrsp;
 753         struct bss_descriptor *pbssdesc;
 754
 755         lbs_deb_enter(LBS_DEB_JOIN);
 756
 757         passocrsp = (struct ieeetypes_assocrsp *) & resp->params;
 758
 759         if (passocrsp->statuscode) {
 760
 761                 libertas_mac_event_disconnected(priv);
 762
 763         lbs_deb_join("ASSOC_RESP: Association failed, status code = %d\n",
 764                      passocrsp->statuscode);
 765
 766                 ret = -1;
 767                 goto done;
 768         }
 769
 770         lbs_dbg_hex("ASSOC_RESP:", (void *)&resp->params,
 771                 le16_to_cpu(resp->size) - S_DS_GEN);
 772
 773         /* Send a Media Connected event, according to the Spec */
 774         adapter->connect_status = libertas_connected;
 775
 776         /* Set the attempted BSSID Index to current */
 777         pbssdesc = adapter->pattemptedbssdesc;
 778
 779         lbs_deb_join("ASSOC_RESP: %s\n", pbssdesc->ssid.ssid);
 780
 781         /* Set the new SSID to current SSID */
 782         memcpy(&adapter->curbssparams.ssid,
 783                &pbssdesc->ssid, sizeof(struct WLAN_802_11_SSID));
 784
 785         /* Set the new BSSID (AP's MAC address) to current BSSID */
 786         memcpy(adapter->curbssparams.bssid,
 787                pbssdesc->bssid, ETH_ALEN);
 788
 789         /* Make a copy of current BSSID descriptor */
 790         memcpy(&adapter->curbssparams.bssdescriptor,
 791                pbssdesc, sizeof(struct bss_descriptor));
 792
 793         lbs_deb_join("ASSOC_RESP: currentpacketfilter is %x\n",
 794                adapter->currentpacketfilter);
 795
 796         adapter->SNR[TYPE_RXPD][TYPE_AVG] = 0;
 797         adapter->NF[TYPE_RXPD][TYPE_AVG] = 0;
 798
 799         memset(adapter->rawSNR, 0x00, sizeof(adapter->rawSNR));
 800         memset(adapter->rawNF, 0x00, sizeof(adapter->rawNF));
 801         adapter->nextSNRNF = 0;
 802         adapter->numSNRNF = 0;
 803
 804         netif_carrier_on(priv->dev);
 805         netif_wake_queue(priv->dev);
 806
 807         netif_carrier_on(priv->mesh_dev);
 808         netif_wake_queue(priv->mesh_dev);
 809
 810         lbs_deb_join("ASSOC_RESP: Associated \n");
 811
 812         memcpy(wrqu.ap_addr.sa_data, adapter->curbssparams.bssid, ETH_ALEN);
 813         wrqu.ap_addr.sa_family = ARPHRD_ETHER;
 814         wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
 815
 816 done:
 817         lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
 818         return ret;
 819 }
 820
 821 int libertas_ret_80211_disassociate(wlan_private * priv,
 822                                  struct cmd_ds_command *resp)
 823 {
 824         lbs_deb_enter(LBS_DEB_JOIN);
 825
 826         libertas_mac_event_disconnected(priv);
 827
 828         lbs_deb_leave(LBS_DEB_JOIN);
 829         return 0;
 830 }
 831
 832 int libertas_ret_80211_ad_hoc_start(wlan_private * priv,
 833                                  struct cmd_ds_command *resp)
 834 {
 835         wlan_adapter *adapter = priv->adapter;
 836         int ret = 0;
 837         u16 command = le16_to_cpu(resp->command);
 838         u16 result = le16_to_cpu(resp->result);
 839         struct cmd_ds_802_11_ad_hoc_result *padhocresult;
 840         union iwreq_data wrqu;
 841         struct bss_descriptor *pbssdesc;
 842
 843         lbs_deb_enter(LBS_DEB_JOIN);
 844
 845         padhocresult = &resp->params.result;
 846
 847         lbs_deb_join("ADHOC_S_RESP: size = %d\n", le16_to_cpu(resp->size));
 848         lbs_deb_join("ADHOC_S_RESP: command = %x\n", command);
 849         lbs_deb_join("ADHOC_S_RESP: result = %x\n", result);
 850
 851         pbssdesc = adapter->pattemptedbssdesc;
 852
 853         /*
 854          * Join result code 0 --> SUCCESS
 855          */
 856         if (result) {
 857                 lbs_deb_join("ADHOC_RESP failed\n");
 858                 if (adapter->connect_status == libertas_connected) {
 859                         libertas_mac_event_disconnected(priv);
 860                 }
 861
 862                 memset(&adapter->curbssparams.bssdescriptor,
 863                        0x00, sizeof(adapter->curbssparams.bssdescriptor));
 864
 865                 ret = -1;
 866                 goto done;
 867         }
 868
 869         /*
 870          * Now the join cmd should be successful
 871          * If BSSID has changed use SSID to compare instead of BSSID
 872          */
 873         lbs_deb_join("ADHOC_J_RESP  %s\n", pbssdesc->ssid.ssid);
 874
 875         /* Send a Media Connected event, according to the Spec */
 876         adapter->connect_status = libertas_connected;
 877
 878         if (command == cmd_ret_802_11_ad_hoc_start) {
 879                 /* Update the created network descriptor with the new BSSID */
 880                 memcpy(pbssdesc->bssid, padhocresult->BSSID, ETH_ALEN);
 881         } else {
 882
 883                 /* Make a copy of current BSSID descriptor, only needed for join since
 884                  *   the current descriptor is already being used for adhoc start
 885                  */
 886                 memmove(&adapter->curbssparams.bssdescriptor,
 887                         pbssdesc, sizeof(struct bss_descriptor));
 888         }
 889
 890         /* Set the BSSID from the joined/started descriptor */
 891         memcpy(&adapter->curbssparams.bssid, pbssdesc->bssid, ETH_ALEN);
 892
 893         /* Set the new SSID to current SSID */
 894         memcpy(&adapter->curbssparams.ssid,
 895                &pbssdesc->ssid, sizeof(struct WLAN_802_11_SSID));
 896
 897         netif_carrier_on(priv->dev);
 898         netif_wake_queue(priv->dev);
 899
 900         netif_carrier_on(priv->mesh_dev);
 901         netif_wake_queue(priv->mesh_dev);
 902
 903         memset(&wrqu, 0, sizeof(wrqu));
 904         memcpy(wrqu.ap_addr.sa_data, adapter->curbssparams.bssid, ETH_ALEN);
 905         wrqu.ap_addr.sa_family = ARPHRD_ETHER;
 906         wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
 907
 908         lbs_deb_join("ADHOC_RESP: - Joined/Started Ad Hoc\n");
 909         lbs_deb_join("ADHOC_RESP: channel = %d\n", adapter->curbssparams.channel);
 910         lbs_deb_join("ADHOC_RESP: BSSID = %02x:%02x:%02x:%02x:%02x:%02x\n",
 911                padhocresult->BSSID[0], padhocresult->BSSID[1],
 912                padhocresult->BSSID[2], padhocresult->BSSID[3],
 913                padhocresult->BSSID[4], padhocresult->BSSID[5]);
 914
 915 done:
 916         lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
 917         return ret;
 918 }
 919
 920 int libertas_ret_80211_ad_hoc_stop(wlan_private * priv,
 921                                 struct cmd_ds_command *resp)
 922 {
 923         lbs_deb_enter(LBS_DEB_JOIN);
 924
 925         libertas_mac_event_disconnected(priv);
 926
 927         lbs_deb_leave(LBS_DEB_JOIN);
 928         return 0;
 929 }