kernel/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c

   1 /*!
   2  *  @file       wilc_wfi_cfgopertaions.c
   3  *  @brief      CFG80211 Function Implementation functionality
   4  *  @author     aabouzaeid
   5  *                      mabubakr
   6  *                      mdaftedar
   7  *                      zsalah
   8  *  @sa         wilc_wfi_cfgopertaions.h top level OS wrapper file
   9  *  @date       31 Aug 2010
  10  *  @version    1.0
  11  */
  12
  13 #include "wilc_wfi_cfgoperations.h"
  14 #ifdef WILC_SDIO
  15 #include "linux_wlan_sdio.h"
  16 #endif
  17 #include <linux/errno.h>
  18
  19 #define IS_MANAGMEMENT                          0x100
  20 #define IS_MANAGMEMENT_CALLBACK                 0x080
  21 #define IS_MGMT_STATUS_SUCCES                   0x040
  22 #define GET_PKT_OFFSET(a) (((a) >> 22) & 0x1ff)
  23
  24 extern int linux_wlan_get_firmware(perInterface_wlan_t *p_nic);
  25
  26 extern int mac_open(struct net_device *ndev);
  27 extern int mac_close(struct net_device *ndev);
  28
  29 tstrNetworkInfo astrLastScannedNtwrksShadow[MAX_NUM_SCANNED_NETWORKS_SHADOW];
  30 u32 u32LastScannedNtwrksCountShadow;
  31 struct timer_list hDuringIpTimer;
  32 struct timer_list hAgingTimer;
  33 static u8 op_ifcs;
  34 extern u8 u8ConnectedSSID[6];
  35
  36 u8 g_wilc_initialized = 1;
  37 extern bool g_obtainingIP;
  38
  39 #define CHAN2G(_channel, _freq, _flags) {        \
  40                 .band             = IEEE80211_BAND_2GHZ, \
  41                 .center_freq      = (_freq),             \
  42                 .hw_value         = (_channel),          \
  43                 .flags            = (_flags),            \
  44                 .max_antenna_gain = 0,                   \
  45                 .max_power        = 30,                  \
  46 }
  47
  48 /*Frequency range for channels*/
  49 static struct ieee80211_channel WILC_WFI_2ghz_channels[] = {
  50         CHAN2G(1,  2412, 0),
  51         CHAN2G(2,  2417, 0),
  52         CHAN2G(3,  2422, 0),
  53         CHAN2G(4,  2427, 0),
  54         CHAN2G(5,  2432, 0),
  55         CHAN2G(6,  2437, 0),
  56         CHAN2G(7,  2442, 0),
  57         CHAN2G(8,  2447, 0),
  58         CHAN2G(9,  2452, 0),
  59         CHAN2G(10, 2457, 0),
  60         CHAN2G(11, 2462, 0),
  61         CHAN2G(12, 2467, 0),
  62         CHAN2G(13, 2472, 0),
  63         CHAN2G(14, 2484, 0),
  64 };
  65
  66 #define RATETAB_ENT(_rate, _hw_value, _flags) { \
  67                 .bitrate  = (_rate),                    \
  68                 .hw_value = (_hw_value),                \
  69                 .flags    = (_flags),                   \
  70 }
  71
  72
  73 /* Table 6 in section 3.2.1.1 */
  74 static struct ieee80211_rate WILC_WFI_rates[] = {
  75         RATETAB_ENT(10,  0,  0),
  76         RATETAB_ENT(20,  1,  0),
  77         RATETAB_ENT(55,  2,  0),
  78         RATETAB_ENT(110, 3,  0),
  79         RATETAB_ENT(60,  9,  0),
  80         RATETAB_ENT(90,  6,  0),
  81         RATETAB_ENT(120, 7,  0),
  82         RATETAB_ENT(180, 8,  0),
  83         RATETAB_ENT(240, 9,  0),
  84         RATETAB_ENT(360, 10, 0),
  85         RATETAB_ENT(480, 11, 0),
  86         RATETAB_ENT(540, 12, 0),
  87 };
  88
  89 struct p2p_mgmt_data {
  90         int size;
  91         u8 *buff;
  92 };
  93
  94 /*Global variable used to state the current  connected STA channel*/
  95 u8 u8WLANChannel = INVALID_CHANNEL;
  96
  97 u8 curr_channel;
  98
  99 u8 u8P2P_oui[] = {0x50, 0x6f, 0x9A, 0x09};
 100 u8 u8P2Plocalrandom = 0x01;
 101 u8 u8P2Precvrandom = 0x00;
 102 u8 u8P2P_vendorspec[] = {0xdd, 0x05, 0x00, 0x08, 0x40, 0x03};
 103 bool bWilc_ie;
 104
 105 static struct ieee80211_supported_band WILC_WFI_band_2ghz = {
 106         .channels = WILC_WFI_2ghz_channels,
 107         .n_channels = ARRAY_SIZE(WILC_WFI_2ghz_channels),
 108         .bitrates = WILC_WFI_rates,
 109         .n_bitrates = ARRAY_SIZE(WILC_WFI_rates),
 110 };
 111
 112
 113 struct add_key_params {
 114         u8 key_idx;
 115         bool pairwise;
 116         u8 *mac_addr;
 117 };
 118 struct add_key_params g_add_gtk_key_params;
 119 struct wilc_wfi_key g_key_gtk_params;
 120 struct add_key_params g_add_ptk_key_params;
 121 struct wilc_wfi_key g_key_ptk_params;
 122 struct wilc_wfi_wep_key g_key_wep_params;
 123 bool g_ptk_keys_saved;
 124 bool g_gtk_keys_saved;
 125 bool g_wep_keys_saved;
 126
 127 #define AGING_TIME      (9 * 1000)
 128 #define duringIP_TIME 15000
 129
 130 void clear_shadow_scan(void *pUserVoid)
 131 {
 132         int i;
 133
 134         if (op_ifcs == 0) {
 135                 del_timer_sync(&hAgingTimer);
 136                 PRINT_INFO(CORECONFIG_DBG, "destroy aging timer\n");
 137
 138                 for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) {
 139                         if (astrLastScannedNtwrksShadow[u32LastScannedNtwrksCountShadow].pu8IEs != NULL) {
 140                                 kfree(astrLastScannedNtwrksShadow[i].pu8IEs);
 141                                 astrLastScannedNtwrksShadow[u32LastScannedNtwrksCountShadow].pu8IEs = NULL;
 142                         }
 143
 144                         host_int_freeJoinParams(astrLastScannedNtwrksShadow[i].pJoinParams);
 145                         astrLastScannedNtwrksShadow[i].pJoinParams = NULL;
 146                 }
 147                 u32LastScannedNtwrksCountShadow = 0;
 148         }
 149
 150 }
 151
 152 u32 get_rssi_avg(tstrNetworkInfo *pstrNetworkInfo)
 153 {
 154         u8 i;
 155         int rssi_v = 0;
 156         u8 num_rssi = (pstrNetworkInfo->strRssi.u8Full) ? NUM_RSSI : (pstrNetworkInfo->strRssi.u8Index);
 157
 158         for (i = 0; i < num_rssi; i++)
 159                 rssi_v += pstrNetworkInfo->strRssi.as8RSSI[i];
 160
 161         rssi_v /= num_rssi;
 162         return rssi_v;
 163 }
 164
 165 void refresh_scan(void *pUserVoid, u8 all, bool bDirectScan)
 166 {
 167         struct wilc_priv *priv;
 168         struct wiphy *wiphy;
 169         struct cfg80211_bss *bss = NULL;
 170         int i;
 171         int rssi = 0;
 172
 173         priv = (struct wilc_priv *)pUserVoid;
 174         wiphy = priv->dev->ieee80211_ptr->wiphy;
 175
 176         for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) {
 177                 tstrNetworkInfo *pstrNetworkInfo;
 178
 179                 pstrNetworkInfo = &(astrLastScannedNtwrksShadow[i]);
 180
 181
 182                 if ((!pstrNetworkInfo->u8Found) || all) {
 183                         s32 s32Freq;
 184                         struct ieee80211_channel *channel;
 185
 186                         if (pstrNetworkInfo != NULL) {
 187
 188                                 s32Freq = ieee80211_channel_to_frequency((s32)pstrNetworkInfo->u8channel, IEEE80211_BAND_2GHZ);
 189                                 channel = ieee80211_get_channel(wiphy, s32Freq);
 190
 191                                 rssi = get_rssi_avg(pstrNetworkInfo);
 192                                 if (memcmp("DIRECT-", pstrNetworkInfo->au8ssid, 7) || bDirectScan)      {
 193                                         bss = cfg80211_inform_bss(wiphy, channel, CFG80211_BSS_FTYPE_UNKNOWN, pstrNetworkInfo->au8bssid, pstrNetworkInfo->u64Tsf, pstrNetworkInfo->u16CapInfo,
 194                                                                   pstrNetworkInfo->u16BeaconPeriod, (const u8 *)pstrNetworkInfo->pu8IEs,
 195                                                                   (size_t)pstrNetworkInfo->u16IEsLen, (((s32)rssi) * 100), GFP_KERNEL);
 196                                         cfg80211_put_bss(wiphy, bss);
 197                                 }
 198                         }
 199
 200                 }
 201         }
 202
 203 }
 204
 205 void reset_shadow_found(void *pUserVoid)
 206 {
 207         int i;
 208
 209         for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) {
 210                 astrLastScannedNtwrksShadow[i].u8Found = 0;
 211
 212         }
 213 }
 214
 215 void update_scan_time(void *pUserVoid)
 216 {
 217         int i;
 218
 219         for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) {
 220                 astrLastScannedNtwrksShadow[i].u32TimeRcvdInScan = jiffies;
 221         }
 222 }
 223
 224 static void remove_network_from_shadow(unsigned long arg)
 225 {
 226         unsigned long now = jiffies;
 227         int i, j;
 228
 229
 230         for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) {
 231                 if (time_after(now, astrLastScannedNtwrksShadow[i].u32TimeRcvdInScan + (unsigned long)(SCAN_RESULT_EXPIRE))) {
 232                         PRINT_D(CFG80211_DBG, "Network expired in ScanShadow: %s\n", astrLastScannedNtwrksShadow[i].au8ssid);
 233
 234                         kfree(astrLastScannedNtwrksShadow[i].pu8IEs);
 235                         astrLastScannedNtwrksShadow[i].pu8IEs = NULL;
 236
 237                         host_int_freeJoinParams(astrLastScannedNtwrksShadow[i].pJoinParams);
 238
 239                         for (j = i; (j < u32LastScannedNtwrksCountShadow - 1); j++) {
 240                                 astrLastScannedNtwrksShadow[j] = astrLastScannedNtwrksShadow[j + 1];
 241                         }
 242                         u32LastScannedNtwrksCountShadow--;
 243                 }
 244         }
 245
 246         PRINT_D(CFG80211_DBG, "Number of cached networks: %d\n", u32LastScannedNtwrksCountShadow);
 247         if (u32LastScannedNtwrksCountShadow != 0) {
 248                 hAgingTimer.data = arg;
 249                 mod_timer(&hAgingTimer, jiffies + msecs_to_jiffies(AGING_TIME));
 250         } else {
 251                 PRINT_D(CFG80211_DBG, "No need to restart Aging timer\n");
 252         }
 253 }
 254
 255 static void clear_duringIP(unsigned long arg)
 256 {
 257         PRINT_D(GENERIC_DBG, "GO:IP Obtained , enable scan\n");
 258         g_obtainingIP = false;
 259 }
 260
 261 int is_network_in_shadow(tstrNetworkInfo *pstrNetworkInfo, void *pUserVoid)
 262 {
 263         int state = -1;
 264         int i;
 265
 266         if (u32LastScannedNtwrksCountShadow == 0) {
 267                 PRINT_D(CFG80211_DBG, "Starting Aging timer\n");
 268                 hAgingTimer.data = (unsigned long)pUserVoid;
 269                 mod_timer(&hAgingTimer, jiffies + msecs_to_jiffies(AGING_TIME));
 270                 state = -1;
 271         } else {
 272                 /* Linear search for now */
 273                 for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) {
 274                         if (memcmp(astrLastScannedNtwrksShadow[i].au8bssid,
 275                                         pstrNetworkInfo->au8bssid, 6) == 0) {
 276                                 state = i;
 277                                 break;
 278                         }
 279                 }
 280         }
 281         return state;
 282 }
 283
 284 void add_network_to_shadow(tstrNetworkInfo *pstrNetworkInfo, void *pUserVoid, void *pJoinParams)
 285 {
 286         int ap_found = is_network_in_shadow(pstrNetworkInfo, pUserVoid);
 287         u32 ap_index = 0;
 288         u8 rssi_index = 0;
 289
 290         if (u32LastScannedNtwrksCountShadow >= MAX_NUM_SCANNED_NETWORKS_SHADOW) {
 291                 PRINT_D(CFG80211_DBG, "Shadow network reached its maximum limit\n");
 292                 return;
 293         }
 294         if (ap_found == -1) {
 295                 ap_index = u32LastScannedNtwrksCountShadow;
 296                 u32LastScannedNtwrksCountShadow++;
 297
 298         } else {
 299                 ap_index = ap_found;
 300         }
 301         rssi_index = astrLastScannedNtwrksShadow[ap_index].strRssi.u8Index;
 302         astrLastScannedNtwrksShadow[ap_index].strRssi.as8RSSI[rssi_index++] = pstrNetworkInfo->s8rssi;
 303         if (rssi_index == NUM_RSSI) {
 304                 rssi_index = 0;
 305                 astrLastScannedNtwrksShadow[ap_index].strRssi.u8Full = 1;
 306         }
 307         astrLastScannedNtwrksShadow[ap_index].strRssi.u8Index = rssi_index;
 308
 309         astrLastScannedNtwrksShadow[ap_index].s8rssi = pstrNetworkInfo->s8rssi;
 310         astrLastScannedNtwrksShadow[ap_index].u16CapInfo = pstrNetworkInfo->u16CapInfo;
 311
 312         astrLastScannedNtwrksShadow[ap_index].u8SsidLen = pstrNetworkInfo->u8SsidLen;
 313         memcpy(astrLastScannedNtwrksShadow[ap_index].au8ssid,
 314                     pstrNetworkInfo->au8ssid, pstrNetworkInfo->u8SsidLen);
 315
 316         memcpy(astrLastScannedNtwrksShadow[ap_index].au8bssid,
 317                     pstrNetworkInfo->au8bssid, ETH_ALEN);
 318
 319         astrLastScannedNtwrksShadow[ap_index].u16BeaconPeriod = pstrNetworkInfo->u16BeaconPeriod;
 320         astrLastScannedNtwrksShadow[ap_index].u8DtimPeriod = pstrNetworkInfo->u8DtimPeriod;
 321         astrLastScannedNtwrksShadow[ap_index].u8channel = pstrNetworkInfo->u8channel;
 322
 323         astrLastScannedNtwrksShadow[ap_index].u16IEsLen = pstrNetworkInfo->u16IEsLen;
 324         astrLastScannedNtwrksShadow[ap_index].u64Tsf = pstrNetworkInfo->u64Tsf;
 325         if (ap_found != -1)
 326                 kfree(astrLastScannedNtwrksShadow[ap_index].pu8IEs);
 327         astrLastScannedNtwrksShadow[ap_index].pu8IEs =
 328                 kmalloc(pstrNetworkInfo->u16IEsLen, GFP_KERNEL);        /* will be deallocated by the WILC_WFI_CfgScan() function */
 329         memcpy(astrLastScannedNtwrksShadow[ap_index].pu8IEs,
 330                     pstrNetworkInfo->pu8IEs, pstrNetworkInfo->u16IEsLen);
 331
 332         astrLastScannedNtwrksShadow[ap_index].u32TimeRcvdInScan = jiffies;
 333         astrLastScannedNtwrksShadow[ap_index].u32TimeRcvdInScanCached = jiffies;
 334         astrLastScannedNtwrksShadow[ap_index].u8Found = 1;
 335         if (ap_found != -1)
 336                 host_int_freeJoinParams(astrLastScannedNtwrksShadow[ap_index].pJoinParams);
 337         astrLastScannedNtwrksShadow[ap_index].pJoinParams = pJoinParams;
 338
 339 }
 340
 341
 342 /**
 343  *  @brief      CfgScanResult
 344  *  @details  Callback function which returns the scan results found
 345  *
 346  *  @param[in] tenuScanEvent enuScanEvent: enum, indicating the scan event triggered, whether that is
 347  *                        SCAN_EVENT_NETWORK_FOUND or SCAN_EVENT_DONE
 348  *                        tstrNetworkInfo* pstrNetworkInfo: structure holding the scan results information
 349  *                        void* pUserVoid: Private structure associated with the wireless interface
 350  *  @return     NONE
 351  *  @author     mabubakr
 352  *  @date
 353  *  @version    1.0
 354  */
 355 static void CfgScanResult(enum scan_event enuScanEvent, tstrNetworkInfo *pstrNetworkInfo, void *pUserVoid, void *pJoinParams)
 356 {
 357         struct wilc_priv *priv;
 358         struct wiphy *wiphy;
 359         s32 s32Freq;
 360         struct ieee80211_channel *channel;
 361         struct cfg80211_bss *bss = NULL;
 362
 363         priv = (struct wilc_priv *)pUserVoid;
 364         if (priv->bCfgScanning) {
 365                 if (enuScanEvent == SCAN_EVENT_NETWORK_FOUND) {
 366                         wiphy = priv->dev->ieee80211_ptr->wiphy;
 367
 368                         if (!wiphy)
 369                                 return;
 370
 371                         if (wiphy->signal_type == CFG80211_SIGNAL_TYPE_UNSPEC
 372                             &&
 373                             ((((s32)pstrNetworkInfo->s8rssi) * 100) < 0
 374                              ||
 375                              (((s32)pstrNetworkInfo->s8rssi) * 100) > 100)
 376                             ) {
 377                                 PRINT_ER("wiphy signal type fial\n");
 378                                 return;
 379                         }
 380
 381                         if (pstrNetworkInfo != NULL) {
 382                                 s32Freq = ieee80211_channel_to_frequency((s32)pstrNetworkInfo->u8channel, IEEE80211_BAND_2GHZ);
 383                                 channel = ieee80211_get_channel(wiphy, s32Freq);
 384
 385                                 if (!channel)
 386                                         return;
 387
 388                                 PRINT_INFO(CFG80211_DBG, "Network Info:: CHANNEL Frequency: %d, RSSI: %d, CapabilityInfo: %d,"
 389                                            "BeaconPeriod: %d\n", channel->center_freq, (((s32)pstrNetworkInfo->s8rssi) * 100),
 390                                            pstrNetworkInfo->u16CapInfo, pstrNetworkInfo->u16BeaconPeriod);
 391
 392                                 if (pstrNetworkInfo->bNewNetwork) {
 393                                         if (priv->u32RcvdChCount < MAX_NUM_SCANNED_NETWORKS) { /* TODO: mostafa: to be replaced by */
 394                                                 /*               max_scan_ssids */
 395                                                 PRINT_D(CFG80211_DBG, "Network %s found\n", pstrNetworkInfo->au8ssid);
 396
 397
 398                                                 priv->u32RcvdChCount++;
 399
 400
 401
 402                                                 if (pJoinParams == NULL) {
 403                                                         PRINT_INFO(CORECONFIG_DBG, ">> Something really bad happened\n");
 404                                                 }
 405                                                 add_network_to_shadow(pstrNetworkInfo, priv, pJoinParams);
 406
 407                                                 /*P2P peers are sent to WPA supplicant and added to shadow table*/
 408
 409                                                 if (!(memcmp("DIRECT-", pstrNetworkInfo->au8ssid, 7))) {
 410                                                         bss = cfg80211_inform_bss(wiphy, channel, CFG80211_BSS_FTYPE_UNKNOWN,  pstrNetworkInfo->au8bssid, pstrNetworkInfo->u64Tsf, pstrNetworkInfo->u16CapInfo,
 411                                                                                   pstrNetworkInfo->u16BeaconPeriod, (const u8 *)pstrNetworkInfo->pu8IEs,
 412                                                                                   (size_t)pstrNetworkInfo->u16IEsLen, (((s32)pstrNetworkInfo->s8rssi) * 100), GFP_KERNEL);
 413                                                         cfg80211_put_bss(wiphy, bss);
 414                                                 }
 415
 416
 417                                         } else {
 418                                                 PRINT_ER("Discovered networks exceeded the max limit\n");
 419                                         }
 420                                 } else {
 421                                         u32 i;
 422                                         /* So this network is discovered before, we'll just update its RSSI */
 423                                         for (i = 0; i < priv->u32RcvdChCount; i++) {
 424                                                 if (memcmp(astrLastScannedNtwrksShadow[i].au8bssid, pstrNetworkInfo->au8bssid, 6) == 0) {
 425                                                         PRINT_D(CFG80211_DBG, "Update RSSI of %s\n", astrLastScannedNtwrksShadow[i].au8ssid);
 426
 427                                                         astrLastScannedNtwrksShadow[i].s8rssi = pstrNetworkInfo->s8rssi;
 428                                                         astrLastScannedNtwrksShadow[i].u32TimeRcvdInScan = jiffies;
 429                                                         break;
 430                                                 }
 431                                         }
 432                                 }
 433                         }
 434                 } else if (enuScanEvent == SCAN_EVENT_DONE)    {
 435                         PRINT_D(CFG80211_DBG, "Scan Done[%p]\n", priv->dev);
 436                         PRINT_D(CFG80211_DBG, "Refreshing Scan ...\n");
 437                         refresh_scan(priv, 1, false);
 438
 439                         if (priv->u32RcvdChCount > 0)
 440                                 PRINT_D(CFG80211_DBG, "%d Network(s) found\n", priv->u32RcvdChCount);
 441                         else
 442                                 PRINT_D(CFG80211_DBG, "No networks found\n");
 443
 444                         down(&(priv->hSemScanReq));
 445
 446                         if (priv->pstrScanReq != NULL) {
 447                                 cfg80211_scan_done(priv->pstrScanReq, false);
 448                                 priv->u32RcvdChCount = 0;
 449                                 priv->bCfgScanning = false;
 450                                 priv->pstrScanReq = NULL;
 451                         }
 452                         up(&(priv->hSemScanReq));
 453
 454                 }
 455                 /*Aborting any scan operation during mac close*/
 456                 else if (enuScanEvent == SCAN_EVENT_ABORTED) {
 457                         down(&(priv->hSemScanReq));
 458
 459                         PRINT_D(CFG80211_DBG, "Scan Aborted\n");
 460                         if (priv->pstrScanReq != NULL) {
 461
 462                                 update_scan_time(priv);
 463                                 refresh_scan(priv, 1, false);
 464
 465                                 cfg80211_scan_done(priv->pstrScanReq, false);
 466                                 priv->bCfgScanning = false;
 467                                 priv->pstrScanReq = NULL;
 468                         }
 469                         up(&(priv->hSemScanReq));
 470                 }
 471         }
 472 }
 473
 474
 475 /**
 476  *  @brief      WILC_WFI_Set_PMKSA
 477  *  @details  Check if pmksa is cached and set it.
 478  *  @param[in]
 479  *  @return     int : Return 0 on Success
 480  *  @author     mdaftedar
 481  *  @date       01 MAR 2012
 482  *  @version    1.0
 483  */
 484 int WILC_WFI_Set_PMKSA(u8 *bssid, struct wilc_priv *priv)
 485 {
 486         u32 i;
 487         s32 s32Error = 0;
 488
 489
 490         for (i = 0; i < priv->pmkid_list.numpmkid; i++) {
 491
 492                 if (!memcmp(bssid, priv->pmkid_list.pmkidlist[i].bssid,
 493                                  ETH_ALEN)) {
 494                         PRINT_D(CFG80211_DBG, "PMKID successful comparison");
 495
 496                         /*If bssid is found, set the values*/
 497                         s32Error = host_int_set_pmkid_info(priv->hWILCWFIDrv, &priv->pmkid_list);
 498
 499                         if (s32Error != 0)
 500                                 PRINT_ER("Error in pmkid\n");
 501
 502                         break;
 503                 }
 504         }
 505
 506         return s32Error;
 507
 508
 509 }
 510 int linux_wlan_set_bssid(struct net_device *wilc_netdev, u8 *pBSSID);
 511
 512
 513 /**
 514  *  @brief      CfgConnectResult
 515  *  @details
 516  *  @param[in] tenuConnDisconnEvent enuConnDisconnEvent: Type of connection response either
 517  *                        connection response or disconnection notification.
 518  *                        tstrConnectInfo* pstrConnectInfo: COnnection information.
 519  *                        u8 u8MacStatus: Mac Status from firmware
 520  *                        tstrDisconnectNotifInfo* pstrDisconnectNotifInfo: Disconnection Notification
 521  *                        void* pUserVoid: Private data associated with wireless interface
 522  *  @return     NONE
 523  *  @author     mabubakr
 524  *  @date       01 MAR 2012
 525  *  @version    1.0
 526  */
 527 int connecting;
 528
 529 static void CfgConnectResult(enum conn_event enuConnDisconnEvent,
 530                              tstrConnectInfo *pstrConnectInfo,
 531                              u8 u8MacStatus,
 532                              tstrDisconnectNotifInfo *pstrDisconnectNotifInfo,
 533                              void *pUserVoid)
 534 {
 535         struct wilc_priv *priv;
 536         struct net_device *dev;
 537         struct host_if_drv *pstrWFIDrv;
 538         u8 NullBssid[ETH_ALEN] = {0};
 539         struct wilc *wl;
 540         perInterface_wlan_t *nic;
 541
 542         connecting = 0;
 543
 544         priv = (struct wilc_priv *)pUserVoid;
 545         dev = priv->dev;
 546         nic = netdev_priv(dev);
 547         wl = nic->wilc;
 548         pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
 549
 550         if (enuConnDisconnEvent == CONN_DISCONN_EVENT_CONN_RESP) {
 551                 /*Initialization*/
 552                 u16 u16ConnectStatus;
 553
 554                 u16ConnectStatus = pstrConnectInfo->u16ConnectStatus;
 555
 556                 PRINT_D(CFG80211_DBG, " Connection response received = %d\n", u8MacStatus);
 557
 558                 if ((u8MacStatus == MAC_DISCONNECTED) &&
 559                     (pstrConnectInfo->u16ConnectStatus == SUCCESSFUL_STATUSCODE)) {
 560                         /* The case here is that our station was waiting for association response frame and has just received it containing status code
 561                          *  = SUCCESSFUL_STATUSCODE, while mac status is MAC_DISCONNECTED (which means something wrong happened) */
 562                         u16ConnectStatus = WLAN_STATUS_UNSPECIFIED_FAILURE;
 563                         linux_wlan_set_bssid(priv->dev, NullBssid);
 564                         eth_zero_addr(u8ConnectedSSID);
 565
 566                         /*Invalidate u8WLANChannel value on wlan0 disconnect*/
 567                         if (!pstrWFIDrv->u8P2PConnect)
 568                                 u8WLANChannel = INVALID_CHANNEL;
 569
 570                         PRINT_ER("Unspecified failure: Connection status %d : MAC status = %d\n", u16ConnectStatus, u8MacStatus);
 571                 }
 572
 573                 if (u16ConnectStatus == WLAN_STATUS_SUCCESS) {
 574                         bool bNeedScanRefresh = false;
 575                         u32 i;
 576
 577                         PRINT_INFO(CFG80211_DBG, "Connection Successful:: BSSID: %x%x%x%x%x%x\n", pstrConnectInfo->au8bssid[0],
 578                                    pstrConnectInfo->au8bssid[1], pstrConnectInfo->au8bssid[2], pstrConnectInfo->au8bssid[3], pstrConnectInfo->au8bssid[4], pstrConnectInfo->au8bssid[5]);
 579                         memcpy(priv->au8AssociatedBss, pstrConnectInfo->au8bssid, ETH_ALEN);
 580
 581
 582                         for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) {
 583                                 if (memcmp(astrLastScannedNtwrksShadow[i].au8bssid,
 584                                                 pstrConnectInfo->au8bssid, ETH_ALEN) == 0) {
 585                                         unsigned long now = jiffies;
 586
 587                                         if (time_after(now,
 588                                                        astrLastScannedNtwrksShadow[i].u32TimeRcvdInScanCached + (unsigned long)(nl80211_SCAN_RESULT_EXPIRE - (1 * HZ)))) {
 589                                                 bNeedScanRefresh = true;
 590                                         }
 591
 592                                         break;
 593                                 }
 594                         }
 595
 596                         if (bNeedScanRefresh) {
 597                                 /*Also, refrsh DIRECT- results if */
 598                                 refresh_scan(priv, 1, true);
 599
 600                         }
 601
 602                 }
 603
 604
 605                 PRINT_D(CFG80211_DBG, "Association request info elements length = %zu\n", pstrConnectInfo->ReqIEsLen);
 606
 607                 PRINT_D(CFG80211_DBG, "Association response info elements length = %d\n", pstrConnectInfo->u16RespIEsLen);
 608
 609                 cfg80211_connect_result(dev, pstrConnectInfo->au8bssid,
 610                                         pstrConnectInfo->pu8ReqIEs, pstrConnectInfo->ReqIEsLen,
 611                                         pstrConnectInfo->pu8RespIEs, pstrConnectInfo->u16RespIEsLen,
 612                                         u16ConnectStatus, GFP_KERNEL);                         /* TODO: mostafa: u16ConnectStatus to */
 613                 /* be replaced by pstrConnectInfo->u16ConnectStatus */
 614         } else if (enuConnDisconnEvent == CONN_DISCONN_EVENT_DISCONN_NOTIF)    {
 615                 g_obtainingIP = false;
 616                 PRINT_ER("Received MAC_DISCONNECTED from firmware with reason %d on dev [%p]\n",
 617                          pstrDisconnectNotifInfo->u16reason, priv->dev);
 618                 u8P2Plocalrandom = 0x01;
 619                 u8P2Precvrandom = 0x00;
 620                 bWilc_ie = false;
 621                 eth_zero_addr(priv->au8AssociatedBss);
 622                 linux_wlan_set_bssid(priv->dev, NullBssid);
 623                 eth_zero_addr(u8ConnectedSSID);
 624
 625                 /*Invalidate u8WLANChannel value on wlan0 disconnect*/
 626                 if (!pstrWFIDrv->u8P2PConnect)
 627                         u8WLANChannel = INVALID_CHANNEL;
 628                 /*Incase "P2P CLIENT Connected" send deauthentication reason by 3 to force the WPA_SUPPLICANT to directly change
 629                  *      virtual interface to station*/
 630                 if ((pstrWFIDrv->IFC_UP) && (dev == wl->vif[1].ndev)) {
 631                         pstrDisconnectNotifInfo->u16reason = 3;
 632                 }
 633                 /*Incase "P2P CLIENT during connection(not connected)" send deauthentication reason by 1 to force the WPA_SUPPLICANT
 634                  *      to scan again and retry the connection*/
 635                 else if ((!pstrWFIDrv->IFC_UP) && (dev == wl->vif[1].ndev)) {
 636                         pstrDisconnectNotifInfo->u16reason = 1;
 637                 }
 638                 cfg80211_disconnected(dev, pstrDisconnectNotifInfo->u16reason, pstrDisconnectNotifInfo->ie,
 639                                       pstrDisconnectNotifInfo->ie_len, false,
 640                                       GFP_KERNEL);
 641
 642         }
 643
 644 }
 645
 646
 647 /**
 648  *  @brief      set_channel
 649  *  @details    Set channel for a given wireless interface. Some devices
 650  *                      may support multi-channel operation (by channel hopping) so cfg80211
 651  *                      doesn't verify much. Note, however, that the passed netdev may be
 652  *                      %NULL as well if the user requested changing the channel for the
 653  *                      device itself, or for a monitor interface.
 654  *  @param[in]
 655  *  @return     int : Return 0 on Success
 656  *  @author     mdaftedar
 657  *  @date       01 MAR 2012
 658  *  @version    1.0
 659  */
 660 static int set_channel(struct wiphy *wiphy,
 661                        struct cfg80211_chan_def *chandef)
 662 {
 663         u32 channelnum = 0;
 664         struct wilc_priv *priv;
 665         int result = 0;
 666
 667         priv = wiphy_priv(wiphy);
 668
 669         channelnum = ieee80211_frequency_to_channel(chandef->chan->center_freq);
 670         PRINT_D(CFG80211_DBG, "Setting channel %d with frequency %d\n", channelnum, chandef->chan->center_freq);
 671
 672         curr_channel = channelnum;
 673         result = host_int_set_mac_chnl_num(priv->hWILCWFIDrv, channelnum);
 674
 675         if (result != 0)
 676                 PRINT_ER("Error in setting channel %d\n", channelnum);
 677
 678         return result;
 679 }
 680
 681 /**
 682  *  @brief      scan
 683  *  @details    Request to do a scan. If returning zero, the scan request is given
 684  *                      the driver, and will be valid until passed to cfg80211_scan_done().
 685  *                      For scan results, call cfg80211_inform_bss(); you can call this outside
 686  *                      the scan/scan_done bracket too.
 687  *  @param[in]
 688  *  @return     int : Return 0 on Success
 689  *  @author     mabubakr
 690  *  @date       01 MAR 2012
 691  *  @version    1.0
 692  */
 693
 694 static int scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
 695 {
 696         struct wilc_priv *priv;
 697         u32 i;
 698         s32 s32Error = 0;
 699         u8 au8ScanChanList[MAX_NUM_SCANNED_NETWORKS];
 700         struct hidden_network strHiddenNetwork;
 701
 702         priv = wiphy_priv(wiphy);
 703
 704         priv->pstrScanReq = request;
 705
 706         priv->u32RcvdChCount = 0;
 707
 708         host_int_set_wfi_drv_handler(priv->hWILCWFIDrv);
 709
 710
 711         reset_shadow_found(priv);
 712
 713         priv->bCfgScanning = true;
 714         if (request->n_channels <= MAX_NUM_SCANNED_NETWORKS) { /* TODO: mostafa: to be replaced by */
 715                 /*               max_scan_ssids */
 716                 for (i = 0; i < request->n_channels; i++) {
 717                         au8ScanChanList[i] = (u8)ieee80211_frequency_to_channel(request->channels[i]->center_freq);
 718                         PRINT_INFO(CFG80211_DBG, "ScanChannel List[%d] = %d,", i, au8ScanChanList[i]);
 719                 }
 720
 721                 PRINT_D(CFG80211_DBG, "Requested num of scan channel %d\n", request->n_channels);
 722                 PRINT_D(CFG80211_DBG, "Scan Request IE len =  %zu\n", request->ie_len);
 723
 724                 PRINT_D(CFG80211_DBG, "Number of SSIDs %d\n", request->n_ssids);
 725
 726                 if (request->n_ssids >= 1) {
 727
 728
 729                         strHiddenNetwork.pstrHiddenNetworkInfo = kmalloc(request->n_ssids * sizeof(struct hidden_network), GFP_KERNEL);
 730                         strHiddenNetwork.u8ssidnum = request->n_ssids;
 731
 732
 733                         for (i = 0; i < request->n_ssids; i++) {
 734
 735                                 if (request->ssids[i].ssid != NULL && request->ssids[i].ssid_len != 0) {
 736                                         strHiddenNetwork.pstrHiddenNetworkInfo[i].pu8ssid = kmalloc(request->ssids[i].ssid_len, GFP_KERNEL);
 737                                         memcpy(strHiddenNetwork.pstrHiddenNetworkInfo[i].pu8ssid, request->ssids[i].ssid, request->ssids[i].ssid_len);
 738                                         strHiddenNetwork.pstrHiddenNetworkInfo[i].u8ssidlen = request->ssids[i].ssid_len;
 739                                 } else {
 740                                         PRINT_D(CFG80211_DBG, "Received one NULL SSID\n");
 741                                         strHiddenNetwork.u8ssidnum -= 1;
 742                                 }
 743                         }
 744                         PRINT_D(CFG80211_DBG, "Trigger Scan Request\n");
 745                         s32Error = host_int_scan(priv->hWILCWFIDrv, USER_SCAN, ACTIVE_SCAN,
 746                                                  au8ScanChanList, request->n_channels,
 747                                                  (const u8 *)request->ie, request->ie_len,
 748                                                  CfgScanResult, (void *)priv, &strHiddenNetwork);
 749                 } else {
 750                         PRINT_D(CFG80211_DBG, "Trigger Scan Request\n");
 751                         s32Error = host_int_scan(priv->hWILCWFIDrv, USER_SCAN, ACTIVE_SCAN,
 752                                                  au8ScanChanList, request->n_channels,
 753                                                  (const u8 *)request->ie, request->ie_len,
 754                                                  CfgScanResult, (void *)priv, NULL);
 755                 }
 756
 757         } else {
 758                 PRINT_ER("Requested num of scanned channels is greater than the max, supported"
 759                          " channels\n");
 760         }
 761
 762         if (s32Error != 0) {
 763                 s32Error = -EBUSY;
 764                 PRINT_WRN(CFG80211_DBG, "Device is busy: Error(%d)\n", s32Error);
 765         }
 766
 767         return s32Error;
 768 }
 769
 770 /**
 771  *  @brief      connect
 772  *  @details    Connect to the ESS with the specified parameters. When connected,
 773  *                      call cfg80211_connect_result() with status code %WLAN_STATUS_SUCCESS.
 774  *                      If the connection fails for some reason, call cfg80211_connect_result()
 775  *                      with the status from the AP.
 776  *  @param[in]
 777  *  @return     int : Return 0 on Success
 778  *  @author     mabubakr
 779  *  @date       01 MAR 2012
 780  *  @version    1.0
 781  */
 782 static int connect(struct wiphy *wiphy, struct net_device *dev,
 783                    struct cfg80211_connect_params *sme)
 784 {
 785         s32 s32Error = 0;
 786         u32 i;
 787         u8 u8security = NO_ENCRYPT;
 788         enum AUTHTYPE tenuAuth_type = ANY;
 789         char *pcgroup_encrypt_val = NULL;
 790         char *pccipher_group = NULL;
 791         char *pcwpa_version = NULL;
 792
 793         struct wilc_priv *priv;
 794         struct host_if_drv *pstrWFIDrv;
 795         tstrNetworkInfo *pstrNetworkInfo = NULL;
 796
 797
 798         connecting = 1;
 799         priv = wiphy_priv(wiphy);
 800         pstrWFIDrv = (struct host_if_drv *)(priv->hWILCWFIDrv);
 801
 802         host_int_set_wfi_drv_handler(priv->hWILCWFIDrv);
 803
 804         PRINT_D(CFG80211_DBG, "Connecting to SSID [%s] on netdev [%p] host if [%p]\n", sme->ssid, dev, priv->hWILCWFIDrv);
 805         if (!(strncmp(sme->ssid, "DIRECT-", 7))) {
 806                 PRINT_D(CFG80211_DBG, "Connected to Direct network,OBSS disabled\n");
 807                 pstrWFIDrv->u8P2PConnect = 1;
 808         } else
 809                 pstrWFIDrv->u8P2PConnect = 0;
 810         PRINT_INFO(CFG80211_DBG, "Required SSID = %s\n , AuthType = %d\n", sme->ssid, sme->auth_type);
 811
 812         for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) {
 813                 if ((sme->ssid_len == astrLastScannedNtwrksShadow[i].u8SsidLen) &&
 814                     memcmp(astrLastScannedNtwrksShadow[i].au8ssid,
 815                                 sme->ssid,
 816                                 sme->ssid_len) == 0) {
 817                         PRINT_INFO(CFG80211_DBG, "Network with required SSID is found %s\n", sme->ssid);
 818                         if (sme->bssid == NULL) {
 819                                 /* BSSID is not passed from the user, so decision of matching
 820                                  * is done by SSID only */
 821                                 PRINT_INFO(CFG80211_DBG, "BSSID is not passed from the user\n");
 822                                 break;
 823                         } else {
 824                                 /* BSSID is also passed from the user, so decision of matching
 825                                  * should consider also this passed BSSID */
 826                                 if (memcmp(astrLastScannedNtwrksShadow[i].au8bssid,
 827                                                 sme->bssid,
 828                                                 ETH_ALEN) == 0) {
 829                                         PRINT_INFO(CFG80211_DBG, "BSSID is passed from the user and matched\n");
 830                                         break;
 831                                 }
 832                         }
 833                 }
 834         }
 835
 836         if (i < u32LastScannedNtwrksCountShadow) {
 837                 PRINT_D(CFG80211_DBG, "Required bss is in scan results\n");
 838
 839                 pstrNetworkInfo = &(astrLastScannedNtwrksShadow[i]);
 840
 841                 PRINT_INFO(CFG80211_DBG, "network BSSID to be associated: %x%x%x%x%x%x\n",
 842                            pstrNetworkInfo->au8bssid[0], pstrNetworkInfo->au8bssid[1],
 843                            pstrNetworkInfo->au8bssid[2], pstrNetworkInfo->au8bssid[3],
 844                            pstrNetworkInfo->au8bssid[4], pstrNetworkInfo->au8bssid[5]);
 845         } else {
 846                 s32Error = -ENOENT;
 847                 if (u32LastScannedNtwrksCountShadow == 0)
 848                         PRINT_D(CFG80211_DBG, "No Scan results yet\n");
 849                 else
 850                         PRINT_D(CFG80211_DBG, "Required bss not in scan results: Error(%d)\n", s32Error);
 851
 852                 goto done;
 853         }
 854
 855         priv->WILC_WFI_wep_default = 0;
 856         memset(priv->WILC_WFI_wep_key, 0, sizeof(priv->WILC_WFI_wep_key));
 857         memset(priv->WILC_WFI_wep_key_len, 0, sizeof(priv->WILC_WFI_wep_key_len));
 858
 859         PRINT_INFO(CFG80211_DBG, "sme->crypto.wpa_versions=%x\n", sme->crypto.wpa_versions);
 860         PRINT_INFO(CFG80211_DBG, "sme->crypto.cipher_group=%x\n", sme->crypto.cipher_group);
 861
 862         PRINT_INFO(CFG80211_DBG, "sme->crypto.n_ciphers_pairwise=%d\n", sme->crypto.n_ciphers_pairwise);
 863
 864         if (INFO) {
 865                 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
 866                         PRINT_D(CORECONFIG_DBG, "sme->crypto.ciphers_pairwise[%d]=%x\n", i, sme->crypto.ciphers_pairwise[i]);
 867         }
 868
 869         if (sme->crypto.cipher_group != NO_ENCRYPT) {
 870                 /* To determine the u8security value, first we check the group cipher suite then {in case of WPA or WPA2}
 871                  *  we will add to it the pairwise cipher suite(s) */
 872                 pcwpa_version = "Default";
 873                 PRINT_D(CORECONFIG_DBG, ">> sme->crypto.wpa_versions: %x\n", sme->crypto.wpa_versions);
 874                 if (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP40) {
 875                         u8security = ENCRYPT_ENABLED | WEP;
 876                         pcgroup_encrypt_val = "WEP40";
 877                         pccipher_group = "WLAN_CIPHER_SUITE_WEP40";
 878                         PRINT_INFO(CFG80211_DBG, "WEP Default Key Idx = %d\n", sme->key_idx);
 879
 880                         if (INFO) {
 881                                 for (i = 0; i < sme->key_len; i++)
 882                                         PRINT_D(CORECONFIG_DBG, "WEP Key Value[%d] = %d\n", i, sme->key[i]);
 883                         }
 884                         priv->WILC_WFI_wep_default = sme->key_idx;
 885                         priv->WILC_WFI_wep_key_len[sme->key_idx] = sme->key_len;
 886                         memcpy(priv->WILC_WFI_wep_key[sme->key_idx], sme->key, sme->key_len);
 887
 888                         g_key_wep_params.key_len = sme->key_len;
 889                         g_key_wep_params.key = kmalloc(sme->key_len, GFP_KERNEL);
 890                         memcpy(g_key_wep_params.key, sme->key, sme->key_len);
 891                         g_key_wep_params.key_idx = sme->key_idx;
 892                         g_wep_keys_saved = true;
 893
 894                         host_int_set_wep_default_key(priv->hWILCWFIDrv, sme->key_idx);
 895                         host_int_add_wep_key_bss_sta(priv->hWILCWFIDrv, sme->key, sme->key_len, sme->key_idx);
 896                 } else if (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP104)   {
 897                         u8security = ENCRYPT_ENABLED | WEP | WEP_EXTENDED;
 898                         pcgroup_encrypt_val = "WEP104";
 899                         pccipher_group = "WLAN_CIPHER_SUITE_WEP104";
 900
 901                         priv->WILC_WFI_wep_default = sme->key_idx;
 902                         priv->WILC_WFI_wep_key_len[sme->key_idx] = sme->key_len;
 903                         memcpy(priv->WILC_WFI_wep_key[sme->key_idx], sme->key, sme->key_len);
 904
 905                         g_key_wep_params.key_len = sme->key_len;
 906                         g_key_wep_params.key = kmalloc(sme->key_len, GFP_KERNEL);
 907                         memcpy(g_key_wep_params.key, sme->key, sme->key_len);
 908                         g_key_wep_params.key_idx = sme->key_idx;
 909                         g_wep_keys_saved = true;
 910
 911                         host_int_set_wep_default_key(priv->hWILCWFIDrv, sme->key_idx);
 912                         host_int_add_wep_key_bss_sta(priv->hWILCWFIDrv, sme->key, sme->key_len, sme->key_idx);
 913                 } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)   {
 914                         if (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_TKIP) {
 915                                 u8security = ENCRYPT_ENABLED | WPA2 | TKIP;
 916                                 pcgroup_encrypt_val = "WPA2_TKIP";
 917                                 pccipher_group = "TKIP";
 918                         } else {     /* TODO: mostafa: here we assume that any other encryption type is AES */
 919                                      /* tenuSecurity_t = WPA2_AES; */
 920                                 u8security = ENCRYPT_ENABLED | WPA2 | AES;
 921                                 pcgroup_encrypt_val = "WPA2_AES";
 922                                 pccipher_group = "AES";
 923                         }
 924                         pcwpa_version = "WPA_VERSION_2";
 925                 } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)   {
 926                         if (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_TKIP) {
 927                                 u8security = ENCRYPT_ENABLED | WPA | TKIP;
 928                                 pcgroup_encrypt_val = "WPA_TKIP";
 929                                 pccipher_group = "TKIP";
 930                         } else {     /* TODO: mostafa: here we assume that any other encryption type is AES */
 931                                      /* tenuSecurity_t = WPA_AES; */
 932                                 u8security = ENCRYPT_ENABLED | WPA | AES;
 933                                 pcgroup_encrypt_val = "WPA_AES";
 934                                 pccipher_group = "AES";
 935
 936                         }
 937                         pcwpa_version = "WPA_VERSION_1";
 938
 939                 } else {
 940                         s32Error = -ENOTSUPP;
 941                         PRINT_ER("Not supported cipher: Error(%d)\n", s32Error);
 942
 943                         goto done;
 944                 }
 945
 946         }
 947
 948         /* After we set the u8security value from checking the group cipher suite, {in case of WPA or WPA2} we will
 949          *   add to it the pairwise cipher suite(s) */
 950         if ((sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
 951             || (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)) {
 952                 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) {
 953                         if (sme->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP) {
 954                                 u8security = u8security | TKIP;
 955                         } else {     /* TODO: mostafa: here we assume that any other encryption type is AES */
 956                                 u8security = u8security | AES;
 957                         }
 958                 }
 959         }
 960
 961         PRINT_D(CFG80211_DBG, "Adding key with cipher group = %x\n", sme->crypto.cipher_group);
 962
 963         PRINT_D(CFG80211_DBG, "Authentication Type = %d\n", sme->auth_type);
 964         switch (sme->auth_type) {
 965         case NL80211_AUTHTYPE_OPEN_SYSTEM:
 966                 PRINT_D(CFG80211_DBG, "In OPEN SYSTEM\n");
 967                 tenuAuth_type = OPEN_SYSTEM;
 968                 break;
 969
 970         case NL80211_AUTHTYPE_SHARED_KEY:
 971                 tenuAuth_type = SHARED_KEY;
 972                 PRINT_D(CFG80211_DBG, "In SHARED KEY\n");
 973                 break;
 974
 975         default:
 976                 PRINT_D(CFG80211_DBG, "Automatic Authentation type = %d\n", sme->auth_type);
 977         }
 978
 979
 980         /* ai: key_mgmt: enterprise case */
 981         if (sme->crypto.n_akm_suites) {
 982                 switch (sme->crypto.akm_suites[0]) {
 983                 case WLAN_AKM_SUITE_8021X:
 984                         tenuAuth_type = IEEE8021;
 985                         break;
 986
 987                 default:
 988                         break;
 989                 }
 990         }
 991
 992
 993         PRINT_INFO(CFG80211_DBG, "Required Channel = %d\n", pstrNetworkInfo->u8channel);
 994
 995         PRINT_INFO(CFG80211_DBG, "Group encryption value = %s\n Cipher Group = %s\n WPA version = %s\n",
 996                    pcgroup_encrypt_val, pccipher_group, pcwpa_version);
 997
 998         curr_channel = pstrNetworkInfo->u8channel;
 999
1000         if (!pstrWFIDrv->u8P2PConnect) {
1001                 u8WLANChannel = pstrNetworkInfo->u8channel;
1002         }
1003
1004         linux_wlan_set_bssid(dev, pstrNetworkInfo->au8bssid);
1005
1006         s32Error = host_int_set_join_req(priv->hWILCWFIDrv, pstrNetworkInfo->au8bssid, sme->ssid,
1007                                          sme->ssid_len, sme->ie, sme->ie_len,
1008                                          CfgConnectResult, (void *)priv, u8security,
1009                                          tenuAuth_type, pstrNetworkInfo->u8channel,
1010                                          pstrNetworkInfo->pJoinParams);
1011         if (s32Error != 0) {
1012                 PRINT_ER("host_int_set_join_req(): Error(%d)\n", s32Error);
1013                 s32Error = -ENOENT;
1014                 goto done;
1015         }
1016
1017 done:
1018
1019         return s32Error;
1020 }
1021
1022
1023 /**
1024  *  @brief      disconnect
1025  *  @details    Disconnect from the BSS/ESS.
1026  *  @param[in]
1027  *  @return     int : Return 0 on Success
1028  *  @author     mdaftedar
1029  *  @date       01 MAR 2012
1030  *  @version    1.0
1031  */
1032 static int disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code)
1033 {
1034         s32 s32Error = 0;
1035         struct wilc_priv *priv;
1036         struct host_if_drv *pstrWFIDrv;
1037         u8 NullBssid[ETH_ALEN] = {0};
1038
1039         connecting = 0;
1040         priv = wiphy_priv(wiphy);
1041
1042         /*Invalidate u8WLANChannel value on wlan0 disconnect*/
1043         pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
1044         if (!pstrWFIDrv->u8P2PConnect)
1045                 u8WLANChannel = INVALID_CHANNEL;
1046         linux_wlan_set_bssid(priv->dev, NullBssid);
1047
1048         PRINT_D(CFG80211_DBG, "Disconnecting with reason code(%d)\n", reason_code);
1049
1050         u8P2Plocalrandom = 0x01;
1051         u8P2Precvrandom = 0x00;
1052         bWilc_ie = false;
1053         pstrWFIDrv->u64P2p_MgmtTimeout = 0;
1054
1055         s32Error = host_int_disconnect(priv->hWILCWFIDrv, reason_code);
1056         if (s32Error != 0) {
1057                 PRINT_ER("Error in disconnecting: Error(%d)\n", s32Error);
1058                 s32Error = -EINVAL;
1059         }
1060
1061         return s32Error;
1062 }
1063
1064 /**
1065  *  @brief      add_key
1066  *  @details    Add a key with the given parameters. @mac_addr will be %NULL
1067  *                      when adding a group key.
1068  *  @param[in] key : key buffer; TKIP: 16-byte temporal key, 8-byte Tx Mic key, 8-byte Rx Mic Key
1069  *  @return     int : Return 0 on Success
1070  *  @author     mdaftedar
1071  *  @date       01 MAR 2012
1072  *  @version    1.0
1073  */
1074 static int add_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index,
1075                    bool pairwise,
1076                    const u8 *mac_addr, struct key_params *params)
1077
1078 {
1079         s32 s32Error = 0, KeyLen = params->key_len;
1080         u32 i;
1081         struct wilc_priv *priv;
1082         const u8 *pu8RxMic = NULL;
1083         const u8 *pu8TxMic = NULL;
1084         u8 u8mode = NO_ENCRYPT;
1085         u8 u8gmode = NO_ENCRYPT;
1086         u8 u8pmode = NO_ENCRYPT;
1087         enum AUTHTYPE tenuAuth_type = ANY;
1088         struct wilc *wl;
1089         perInterface_wlan_t *nic;
1090
1091         priv = wiphy_priv(wiphy);
1092         nic = netdev_priv(netdev);
1093         wl = nic->wilc;
1094
1095         PRINT_D(CFG80211_DBG, "Adding key with cipher suite = %x\n", params->cipher);
1096
1097         PRINT_D(CFG80211_DBG, "%p %p %d\n", wiphy, netdev, key_index);
1098
1099         PRINT_D(CFG80211_DBG, "key %x %x %x\n", params->key[0],
1100                 params->key[1],
1101                 params->key[2]);
1102
1103
1104         switch (params->cipher) {
1105         case WLAN_CIPHER_SUITE_WEP40:
1106         case WLAN_CIPHER_SUITE_WEP104:
1107                 if (priv->wdev->iftype == NL80211_IFTYPE_AP) {
1108
1109                         priv->WILC_WFI_wep_default = key_index;
1110                         priv->WILC_WFI_wep_key_len[key_index] = params->key_len;
1111                         memcpy(priv->WILC_WFI_wep_key[key_index], params->key, params->key_len);
1112
1113                         PRINT_D(CFG80211_DBG, "Adding AP WEP Default key Idx = %d\n", key_index);
1114                         PRINT_D(CFG80211_DBG, "Adding AP WEP Key len= %d\n", params->key_len);
1115
1116                         for (i = 0; i < params->key_len; i++)
1117                                 PRINT_D(CFG80211_DBG, "WEP AP key val[%d] = %x\n", i, params->key[i]);
1118
1119                         tenuAuth_type = OPEN_SYSTEM;
1120
1121                         if (params->cipher == WLAN_CIPHER_SUITE_WEP40)
1122                                 u8mode = ENCRYPT_ENABLED | WEP;
1123                         else
1124                                 u8mode = ENCRYPT_ENABLED | WEP | WEP_EXTENDED;
1125
1126                         host_int_add_wep_key_bss_ap(priv->hWILCWFIDrv, params->key, params->key_len, key_index, u8mode, tenuAuth_type);
1127                         break;
1128                 }
1129                 if (memcmp(params->key, priv->WILC_WFI_wep_key[key_index], params->key_len)) {
1130                         priv->WILC_WFI_wep_default = key_index;
1131                         priv->WILC_WFI_wep_key_len[key_index] = params->key_len;
1132                         memcpy(priv->WILC_WFI_wep_key[key_index], params->key, params->key_len);
1133
1134                         PRINT_D(CFG80211_DBG, "Adding WEP Default key Idx = %d\n", key_index);
1135                         PRINT_D(CFG80211_DBG, "Adding WEP Key length = %d\n", params->key_len);
1136                         if (INFO) {
1137                                 for (i = 0; i < params->key_len; i++)
1138                                         PRINT_INFO(CFG80211_DBG, "WEP key value[%d] = %d\n", i, params->key[i]);
1139                         }
1140                         host_int_add_wep_key_bss_sta(priv->hWILCWFIDrv, params->key, params->key_len, key_index);
1141                 }
1142
1143                 break;
1144
1145         case WLAN_CIPHER_SUITE_TKIP:
1146         case WLAN_CIPHER_SUITE_CCMP:
1147                 if (priv->wdev->iftype == NL80211_IFTYPE_AP || priv->wdev->iftype == NL80211_IFTYPE_P2P_GO) {
1148
1149                         if (priv->wilc_gtk[key_index] == NULL) {
1150                                 priv->wilc_gtk[key_index] = kmalloc(sizeof(struct wilc_wfi_key), GFP_KERNEL);
1151                                 priv->wilc_gtk[key_index]->key = NULL;
1152                                 priv->wilc_gtk[key_index]->seq = NULL;
1153
1154                         }
1155                         if (priv->wilc_ptk[key_index] == NULL) {
1156                                 priv->wilc_ptk[key_index] = kmalloc(sizeof(struct wilc_wfi_key), GFP_KERNEL);
1157                                 priv->wilc_ptk[key_index]->key = NULL;
1158                                 priv->wilc_ptk[key_index]->seq = NULL;
1159                         }
1160
1161
1162
1163                         if (!pairwise) {
1164                                 if (params->cipher == WLAN_CIPHER_SUITE_TKIP)
1165                                         u8gmode = ENCRYPT_ENABLED | WPA | TKIP;
1166                                 else
1167                                         u8gmode = ENCRYPT_ENABLED | WPA2 | AES;
1168
1169                                 priv->wilc_groupkey = u8gmode;
1170
1171                                 if (params->key_len > 16 && params->cipher == WLAN_CIPHER_SUITE_TKIP) {
1172
1173                                         pu8TxMic = params->key + 24;
1174                                         pu8RxMic = params->key + 16;
1175                                         KeyLen = params->key_len - 16;
1176                                 }
1177                                 /* if there has been previous allocation for the same index through its key, free that memory and allocate again*/
1178                                 kfree(priv->wilc_gtk[key_index]->key);
1179
1180                                 priv->wilc_gtk[key_index]->key = kmalloc(params->key_len, GFP_KERNEL);
1181                                 memcpy(priv->wilc_gtk[key_index]->key, params->key, params->key_len);
1182
1183                                 /* if there has been previous allocation for the same index through its seq, free that memory and allocate again*/
1184                                 kfree(priv->wilc_gtk[key_index]->seq);
1185
1186                                 if ((params->seq_len) > 0) {
1187                                         priv->wilc_gtk[key_index]->seq = kmalloc(params->seq_len, GFP_KERNEL);
1188                                         memcpy(priv->wilc_gtk[key_index]->seq, params->seq, params->seq_len);
1189                                 }
1190
1191                                 priv->wilc_gtk[key_index]->cipher = params->cipher;
1192                                 priv->wilc_gtk[key_index]->key_len = params->key_len;
1193                                 priv->wilc_gtk[key_index]->seq_len = params->seq_len;
1194
1195                                 if (INFO) {
1196                                         for (i = 0; i < params->key_len; i++)
1197                                                 PRINT_INFO(CFG80211_DBG, "Adding group key value[%d] = %x\n", i, params->key[i]);
1198                                         for (i = 0; i < params->seq_len; i++)
1199                                                 PRINT_INFO(CFG80211_DBG, "Adding group seq value[%d] = %x\n", i, params->seq[i]);
1200                                 }
1201
1202
1203                                 host_int_add_rx_gtk(priv->hWILCWFIDrv, params->key, KeyLen,
1204                                                     key_index, params->seq_len, params->seq, pu8RxMic, pu8TxMic, AP_MODE, u8gmode);
1205
1206                         } else {
1207                                 PRINT_INFO(CFG80211_DBG, "STA Address: %x%x%x%x%x\n", mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4]);
1208
1209                                 if (params->cipher == WLAN_CIPHER_SUITE_TKIP)
1210                                         u8pmode = ENCRYPT_ENABLED | WPA | TKIP;
1211                                 else
1212                                         u8pmode = priv->wilc_groupkey | AES;
1213
1214
1215                                 if (params->key_len > 16 && params->cipher == WLAN_CIPHER_SUITE_TKIP) {
1216
1217                                         pu8TxMic = params->key + 24;
1218                                         pu8RxMic = params->key + 16;
1219                                         KeyLen = params->key_len - 16;
1220                                 }
1221
1222                                 kfree(priv->wilc_ptk[key_index]->key);
1223
1224                                 priv->wilc_ptk[key_index]->key = kmalloc(params->key_len, GFP_KERNEL);
1225
1226                                 kfree(priv->wilc_ptk[key_index]->seq);
1227
1228                                 if ((params->seq_len) > 0)
1229                                         priv->wilc_ptk[key_index]->seq = kmalloc(params->seq_len, GFP_KERNEL);
1230
1231                                 if (INFO) {
1232                                         for (i = 0; i < params->key_len; i++)
1233                                                 PRINT_INFO(CFG80211_DBG, "Adding pairwise key value[%d] = %x\n", i, params->key[i]);
1234
1235                                         for (i = 0; i < params->seq_len; i++)
1236                                                 PRINT_INFO(CFG80211_DBG, "Adding group seq value[%d] = %x\n", i, params->seq[i]);
1237                                 }
1238
1239                                 memcpy(priv->wilc_ptk[key_index]->key, params->key, params->key_len);
1240
1241                                 if ((params->seq_len) > 0)
1242                                         memcpy(priv->wilc_ptk[key_index]->seq, params->seq, params->seq_len);
1243
1244                                 priv->wilc_ptk[key_index]->cipher = params->cipher;
1245                                 priv->wilc_ptk[key_index]->key_len = params->key_len;
1246                                 priv->wilc_ptk[key_index]->seq_len = params->seq_len;
1247
1248                                 host_int_add_ptk(priv->hWILCWFIDrv, params->key, KeyLen, mac_addr,
1249                                                  pu8RxMic, pu8TxMic, AP_MODE, u8pmode, key_index);
1250                         }
1251                         break;
1252                 }
1253
1254                 {
1255                         u8mode = 0;
1256                         if (!pairwise) {
1257                                 if (params->key_len > 16 && params->cipher == WLAN_CIPHER_SUITE_TKIP) {
1258                                         /* swap the tx mic by rx mic */
1259                                         pu8RxMic = params->key + 24;
1260                                         pu8TxMic = params->key + 16;
1261                                         KeyLen = params->key_len - 16;
1262                                 }
1263
1264                                 /*save keys only on interface 0 (wifi interface)*/
1265                                 if (!g_gtk_keys_saved && netdev == wl->vif[0].ndev) {
1266                                         g_add_gtk_key_params.key_idx = key_index;
1267                                         g_add_gtk_key_params.pairwise = pairwise;
1268                                         if (!mac_addr) {
1269                                                 g_add_gtk_key_params.mac_addr = NULL;
1270                                         } else {
1271                                                 g_add_gtk_key_params.mac_addr = kmalloc(ETH_ALEN, GFP_KERNEL);
1272                                                 memcpy(g_add_gtk_key_params.mac_addr, mac_addr, ETH_ALEN);
1273                                         }
1274                                         g_key_gtk_params.key_len = params->key_len;
1275                                         g_key_gtk_params.seq_len = params->seq_len;
1276                                         g_key_gtk_params.key =  kmalloc(params->key_len, GFP_KERNEL);
1277                                         memcpy(g_key_gtk_params.key, params->key, params->key_len);
1278                                         if (params->seq_len > 0) {
1279                                                 g_key_gtk_params.seq =  kmalloc(params->seq_len, GFP_KERNEL);
1280                                                 memcpy(g_key_gtk_params.seq, params->seq, params->seq_len);
1281                                         }
1282                                         g_key_gtk_params.cipher = params->cipher;
1283
1284                                         PRINT_D(CFG80211_DBG, "key %x %x %x\n", g_key_gtk_params.key[0],
1285                                                 g_key_gtk_params.key[1],
1286                                                 g_key_gtk_params.key[2]);
1287                                         g_gtk_keys_saved = true;
1288                                 }
1289
1290                                 host_int_add_rx_gtk(priv->hWILCWFIDrv, params->key, KeyLen,
1291                                                     key_index, params->seq_len, params->seq, pu8RxMic, pu8TxMic, STATION_MODE, u8mode);
1292                         } else {
1293                                 if (params->key_len > 16 && params->cipher == WLAN_CIPHER_SUITE_TKIP) {
1294                                         /* swap the tx mic by rx mic */
1295                                         pu8RxMic = params->key + 24;
1296                                         pu8TxMic = params->key + 16;
1297                                         KeyLen = params->key_len - 16;
1298                                 }
1299
1300                                 /*save keys only on interface 0 (wifi interface)*/
1301                                 if (!g_ptk_keys_saved && netdev == wl->vif[0].ndev) {
1302                                         g_add_ptk_key_params.key_idx = key_index;
1303                                         g_add_ptk_key_params.pairwise = pairwise;
1304                                         if (!mac_addr) {
1305                                                 g_add_ptk_key_params.mac_addr = NULL;
1306                                         } else {
1307                                                 g_add_ptk_key_params.mac_addr = kmalloc(ETH_ALEN, GFP_KERNEL);
1308                                                 memcpy(g_add_ptk_key_params.mac_addr, mac_addr, ETH_ALEN);
1309                                         }
1310                                         g_key_ptk_params.key_len = params->key_len;
1311                                         g_key_ptk_params.seq_len = params->seq_len;
1312                                         g_key_ptk_params.key =  kmalloc(params->key_len, GFP_KERNEL);
1313                                         memcpy(g_key_ptk_params.key, params->key, params->key_len);
1314                                         if (params->seq_len > 0) {
1315                                                 g_key_ptk_params.seq =  kmalloc(params->seq_len, GFP_KERNEL);
1316                                                 memcpy(g_key_ptk_params.seq, params->seq, params->seq_len);
1317                                         }
1318                                         g_key_ptk_params.cipher = params->cipher;
1319
1320                                         PRINT_D(CFG80211_DBG, "key %x %x %x\n", g_key_ptk_params.key[0],
1321                                                 g_key_ptk_params.key[1],
1322                                                 g_key_ptk_params.key[2]);
1323                                         g_ptk_keys_saved = true;
1324                                 }
1325
1326                                 host_int_add_ptk(priv->hWILCWFIDrv, params->key, KeyLen, mac_addr,
1327                                                  pu8RxMic, pu8TxMic, STATION_MODE, u8mode, key_index);
1328                                 PRINT_D(CFG80211_DBG, "Adding pairwise key\n");
1329                                 if (INFO) {
1330                                         for (i = 0; i < params->key_len; i++)
1331                                                 PRINT_INFO(CFG80211_DBG, "Adding pairwise key value[%d] = %d\n", i, params->key[i]);
1332                                 }
1333                         }
1334                 }
1335                 break;
1336
1337         default:
1338                 PRINT_ER("Not supported cipher: Error(%d)\n", s32Error);
1339                 s32Error = -ENOTSUPP;
1340
1341         }
1342
1343         return s32Error;
1344 }
1345
1346 /**
1347  *  @brief      del_key
1348  *  @details    Remove a key given the @mac_addr (%NULL for a group key)
1349  *                      and @key_index, return -ENOENT if the key doesn't exist.
1350  *  @param[in]
1351  *  @return     int : Return 0 on Success
1352  *  @author     mdaftedar
1353  *  @date       01 MAR 2012
1354  *  @version    1.0
1355  */
1356 static int del_key(struct wiphy *wiphy, struct net_device *netdev,
1357                    u8 key_index,
1358                    bool pairwise,
1359                    const u8 *mac_addr)
1360 {
1361         struct wilc_priv *priv;
1362         struct wilc *wl;
1363         perInterface_wlan_t *nic;
1364
1365         priv = wiphy_priv(wiphy);
1366         nic = netdev_priv(netdev);
1367         wl = nic->wilc;
1368
1369         /*delete saved keys, if any*/
1370         if (netdev == wl->vif[0].ndev) {
1371                 g_ptk_keys_saved = false;
1372                 g_gtk_keys_saved = false;
1373                 g_wep_keys_saved = false;
1374
1375                 /*Delete saved WEP keys params, if any*/
1376                 kfree(g_key_wep_params.key);
1377                 g_key_wep_params.key = NULL;
1378
1379                 /*freeing memory allocated by "wilc_gtk" and "wilc_ptk" in "WILC_WIFI_ADD_KEY"*/
1380
1381                 if ((priv->wilc_gtk[key_index]) != NULL) {
1382
1383                         kfree(priv->wilc_gtk[key_index]->key);
1384                         priv->wilc_gtk[key_index]->key = NULL;
1385                         kfree(priv->wilc_gtk[key_index]->seq);
1386                         priv->wilc_gtk[key_index]->seq = NULL;
1387
1388                         kfree(priv->wilc_gtk[key_index]);
1389                         priv->wilc_gtk[key_index] = NULL;
1390
1391                 }
1392
1393                 if ((priv->wilc_ptk[key_index]) != NULL) {
1394
1395                         kfree(priv->wilc_ptk[key_index]->key);
1396                         priv->wilc_ptk[key_index]->key = NULL;
1397                         kfree(priv->wilc_ptk[key_index]->seq);
1398                         priv->wilc_ptk[key_index]->seq = NULL;
1399                         kfree(priv->wilc_ptk[key_index]);
1400                         priv->wilc_ptk[key_index] = NULL;
1401                 }
1402
1403                 /*Delete saved PTK and GTK keys params, if any*/
1404                 kfree(g_key_ptk_params.key);
1405                 g_key_ptk_params.key = NULL;
1406                 kfree(g_key_ptk_params.seq);
1407                 g_key_ptk_params.seq = NULL;
1408
1409                 kfree(g_key_gtk_params.key);
1410                 g_key_gtk_params.key = NULL;
1411                 kfree(g_key_gtk_params.seq);
1412                 g_key_gtk_params.seq = NULL;
1413
1414                 /*Reset WILC_CHANGING_VIR_IF register to allow adding futrue keys to CE H/W*/
1415                 Set_machw_change_vir_if(netdev, false);
1416         }
1417
1418         if (key_index >= 0 && key_index <= 3) {
1419                 memset(priv->WILC_WFI_wep_key[key_index], 0, priv->WILC_WFI_wep_key_len[key_index]);
1420                 priv->WILC_WFI_wep_key_len[key_index] = 0;
1421
1422                 PRINT_D(CFG80211_DBG, "Removing WEP key with index = %d\n", key_index);
1423                 host_int_remove_wep_key(priv->hWILCWFIDrv, key_index);
1424         } else {
1425                 PRINT_D(CFG80211_DBG, "Removing all installed keys\n");
1426                 host_int_remove_key(priv->hWILCWFIDrv, mac_addr);
1427         }
1428
1429         return 0;
1430 }
1431
1432 /**
1433  *  @brief      get_key
1434  *  @details    Get information about the key with the given parameters.
1435  *                      @mac_addr will be %NULL when requesting information for a group
1436  *                      key. All pointers given to the @callback function need not be valid
1437  *                      after it returns. This function should return an error if it is
1438  *                      not possible to retrieve the key, -ENOENT if it doesn't exist.
1439  *  @param[in]
1440  *  @return     int : Return 0 on Success
1441  *  @author     mdaftedar
1442  *  @date       01 MAR 2012
1443  *  @version    1.0
1444  */
1445 static int get_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index,
1446                    bool pairwise,
1447                    const u8 *mac_addr, void *cookie, void (*callback)(void *cookie, struct key_params *))
1448 {
1449         struct wilc_priv *priv;
1450         struct  key_params key_params;
1451         u32 i;
1452
1453         priv = wiphy_priv(wiphy);
1454
1455
1456         if (!pairwise) {
1457                 PRINT_D(CFG80211_DBG, "Getting group key idx: %x\n", key_index);
1458
1459                 key_params.key = priv->wilc_gtk[key_index]->key;
1460                 key_params.cipher = priv->wilc_gtk[key_index]->cipher;
1461                 key_params.key_len = priv->wilc_gtk[key_index]->key_len;
1462                 key_params.seq = priv->wilc_gtk[key_index]->seq;
1463                 key_params.seq_len = priv->wilc_gtk[key_index]->seq_len;
1464                 if (INFO) {
1465                         for (i = 0; i < key_params.key_len; i++)
1466                                 PRINT_INFO(CFG80211_DBG, "Retrieved key value %x\n", key_params.key[i]);
1467                 }
1468         } else {
1469                 PRINT_D(CFG80211_DBG, "Getting pairwise  key\n");
1470
1471                 key_params.key = priv->wilc_ptk[key_index]->key;
1472                 key_params.cipher = priv->wilc_ptk[key_index]->cipher;
1473                 key_params.key_len = priv->wilc_ptk[key_index]->key_len;
1474                 key_params.seq = priv->wilc_ptk[key_index]->seq;
1475                 key_params.seq_len = priv->wilc_ptk[key_index]->seq_len;
1476         }
1477
1478         callback(cookie, &key_params);
1479
1480         return 0;        /* priv->wilc_gtk->key_len ?0 : -ENOENT; */
1481 }
1482
1483 /**
1484  *  @brief      set_default_key
1485  *  @details    Set the default management frame key on an interface
1486  *  @param[in]
1487  *  @return     int : Return 0 on Success.
1488  *  @author     mdaftedar
1489  *  @date       01 MAR 2012
1490  *  @version    1.0
1491  */
1492 static int set_default_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index,
1493                            bool unicast, bool multicast)
1494 {
1495         struct wilc_priv *priv;
1496
1497
1498         priv = wiphy_priv(wiphy);
1499
1500         PRINT_D(CFG80211_DBG, "Setting default key with idx = %d\n", key_index);
1501
1502         if (key_index != priv->WILC_WFI_wep_default) {
1503
1504                 host_int_set_wep_default_key(priv->hWILCWFIDrv, key_index);
1505         }
1506
1507         return 0;
1508 }
1509
1510 /**
1511  *  @brief      get_station
1512  *  @details    Get station information for the station identified by @mac
1513  *  @param[in]   NONE
1514  *  @return     int : Return 0 on Success.
1515  *  @author     mdaftedar
1516  *  @date       01 MAR 2012
1517  *  @version    1.0
1518  */
1519
1520 static int get_station(struct wiphy *wiphy, struct net_device *dev,
1521                        const u8 *mac, struct station_info *sinfo)
1522 {
1523         struct wilc_priv *priv;
1524         perInterface_wlan_t *nic;
1525         u32 i = 0;
1526         u32 associatedsta = 0;
1527         u32 inactive_time = 0;
1528         priv = wiphy_priv(wiphy);
1529         nic = netdev_priv(dev);
1530
1531         if (nic->iftype == AP_MODE || nic->iftype == GO_MODE) {
1532                 PRINT_D(HOSTAPD_DBG, "Getting station parameters\n");
1533
1534                 PRINT_INFO(HOSTAPD_DBG, ": %x%x%x%x%x\n", mac[0], mac[1], mac[2], mac[3], mac[4]);
1535
1536                 for (i = 0; i < NUM_STA_ASSOCIATED; i++) {
1537
1538                         if (!(memcmp(mac, priv->assoc_stainfo.au8Sta_AssociatedBss[i], ETH_ALEN))) {
1539                                 associatedsta = i;
1540                                 break;
1541                         }
1542
1543                 }
1544
1545                 if (associatedsta == -1) {
1546                         PRINT_ER("Station required is not associated\n");
1547                         return -ENOENT;
1548                 }
1549
1550                 sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME);
1551
1552                 host_int_get_inactive_time(priv->hWILCWFIDrv, mac, &(inactive_time));
1553                 sinfo->inactive_time = 1000 * inactive_time;
1554                 PRINT_D(CFG80211_DBG, "Inactive time %d\n", sinfo->inactive_time);
1555
1556         }
1557
1558         if (nic->iftype == STATION_MODE) {
1559                 struct rf_info strStatistics;
1560
1561                 host_int_get_statistics(priv->hWILCWFIDrv, &strStatistics);
1562
1563                 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL) |
1564                                                 BIT(NL80211_STA_INFO_RX_PACKETS) |
1565                                                 BIT(NL80211_STA_INFO_TX_PACKETS) |
1566                                                 BIT(NL80211_STA_INFO_TX_FAILED) |
1567                                                 BIT(NL80211_STA_INFO_TX_BITRATE);
1568
1569                 sinfo->signal           =  strStatistics.s8RSSI;
1570                 sinfo->rx_packets   =  strStatistics.u32RxCount;
1571                 sinfo->tx_packets   =  strStatistics.u32TxCount + strStatistics.u32TxFailureCount;
1572                 sinfo->tx_failed        =  strStatistics.u32TxFailureCount;
1573                 sinfo->txrate.legacy = strStatistics.u8LinkSpeed * 10;
1574
1575                 if ((strStatistics.u8LinkSpeed > TCP_ACK_FILTER_LINK_SPEED_THRESH) && (strStatistics.u8LinkSpeed != DEFAULT_LINK_SPEED))
1576                         Enable_TCP_ACK_Filter(true);
1577                 else if (strStatistics.u8LinkSpeed != DEFAULT_LINK_SPEED)
1578                         Enable_TCP_ACK_Filter(false);
1579
1580                 PRINT_D(CORECONFIG_DBG, "*** stats[%d][%d][%d][%d][%d]\n", sinfo->signal, sinfo->rx_packets, sinfo->tx_packets,
1581                         sinfo->tx_failed, sinfo->txrate.legacy);
1582         }
1583         return 0;
1584 }
1585
1586
1587 /**
1588  *  @brief      change_bss
1589  *  @details    Modify parameters for a given BSS.
1590  *  @param[in]
1591  *   -use_cts_prot: Whether to use CTS protection
1592  *          (0 = no, 1 = yes, -1 = do not change)
1593  *  -use_short_preamble: Whether the use of short preambles is allowed
1594  *          (0 = no, 1 = yes, -1 = do not change)
1595  *  -use_short_slot_time: Whether the use of short slot time is allowed
1596  *          (0 = no, 1 = yes, -1 = do not change)
1597  *  -basic_rates: basic rates in IEEE 802.11 format
1598  *          (or NULL for no change)
1599  *  -basic_rates_len: number of basic rates
1600  *  -ap_isolate: do not forward packets between connected stations
1601  *  -ht_opmode: HT Operation mode
1602  *         (u16 = opmode, -1 = do not change)
1603  *  @return     int : Return 0 on Success.
1604  *  @author     mdaftedar
1605  *  @date       01 MAR 2012
1606  *  @version    1.0
1607  */
1608 static int change_bss(struct wiphy *wiphy, struct net_device *dev,
1609                       struct bss_parameters *params)
1610 {
1611         PRINT_D(CFG80211_DBG, "Changing Bss parametrs\n");
1612         return 0;
1613 }
1614
1615 /**
1616  *  @brief      set_wiphy_params
1617  *  @details    Notify that wiphy parameters have changed;
1618  *  @param[in]   Changed bitfield (see &enum wiphy_params_flags) describes which values
1619  *                      have changed.
1620  *  @return     int : Return 0 on Success
1621  *  @author     mdaftedar
1622  *  @date       01 MAR 2012
1623  *  @version    1.0
1624  */
1625 static int set_wiphy_params(struct wiphy *wiphy, u32 changed)
1626 {
1627         s32 s32Error = 0;
1628         struct cfg_param_val pstrCfgParamVal;
1629         struct wilc_priv *priv;
1630
1631         priv = wiphy_priv(wiphy);
1632
1633         pstrCfgParamVal.flag = 0;
1634         PRINT_D(CFG80211_DBG, "Setting Wiphy params\n");
1635
1636         if (changed & WIPHY_PARAM_RETRY_SHORT) {
1637                 PRINT_D(CFG80211_DBG, "Setting WIPHY_PARAM_RETRY_SHORT %d\n",
1638                         priv->dev->ieee80211_ptr->wiphy->retry_short);
1639                 pstrCfgParamVal.flag  |= RETRY_SHORT;
1640                 pstrCfgParamVal.short_retry_limit = priv->dev->ieee80211_ptr->wiphy->retry_short;
1641         }
1642         if (changed & WIPHY_PARAM_RETRY_LONG) {
1643
1644                 PRINT_D(CFG80211_DBG, "Setting WIPHY_PARAM_RETRY_LONG %d\n", priv->dev->ieee80211_ptr->wiphy->retry_long);
1645                 pstrCfgParamVal.flag |= RETRY_LONG;
1646                 pstrCfgParamVal.long_retry_limit = priv->dev->ieee80211_ptr->wiphy->retry_long;
1647
1648         }
1649         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1650                 PRINT_D(CFG80211_DBG, "Setting WIPHY_PARAM_FRAG_THRESHOLD %d\n", priv->dev->ieee80211_ptr->wiphy->frag_threshold);
1651                 pstrCfgParamVal.flag |= FRAG_THRESHOLD;
1652                 pstrCfgParamVal.frag_threshold = priv->dev->ieee80211_ptr->wiphy->frag_threshold;
1653
1654         }
1655
1656         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1657                 PRINT_D(CFG80211_DBG, "Setting WIPHY_PARAM_RTS_THRESHOLD %d\n", priv->dev->ieee80211_ptr->wiphy->rts_threshold);
1658
1659                 pstrCfgParamVal.flag |= RTS_THRESHOLD;
1660                 pstrCfgParamVal.rts_threshold = priv->dev->ieee80211_ptr->wiphy->rts_threshold;
1661
1662         }
1663
1664         PRINT_D(CFG80211_DBG, "Setting CFG params in the host interface\n");
1665         s32Error = hif_set_cfg(priv->hWILCWFIDrv, &pstrCfgParamVal);
1666         if (s32Error)
1667                 PRINT_ER("Error in setting WIPHY PARAMS\n");
1668
1669
1670         return s32Error;
1671 }
1672
1673 /**
1674  *  @brief      set_pmksa
1675  *  @details    Cache a PMKID for a BSSID. This is mostly useful for fullmac
1676  *                      devices running firmwares capable of generating the (re) association
1677  *                      RSN IE. It allows for faster roaming between WPA2 BSSIDs.
1678  *  @param[in]
1679  *  @return     int : Return 0 on Success
1680  *  @author     mdaftedar
1681  *  @date       01 MAR 2012
1682  *  @version    1.0
1683  */
1684 static int set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1685                      struct cfg80211_pmksa *pmksa)
1686 {
1687         u32 i;
1688         s32 s32Error = 0;
1689         u8 flag = 0;
1690
1691         struct wilc_priv *priv = wiphy_priv(wiphy);
1692
1693         PRINT_D(CFG80211_DBG, "Setting PMKSA\n");
1694
1695
1696         for (i = 0; i < priv->pmkid_list.numpmkid; i++) {
1697                 if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid,
1698                                  ETH_ALEN)) {
1699                         /*If bssid already exists and pmkid value needs to reset*/
1700                         flag = PMKID_FOUND;
1701                         PRINT_D(CFG80211_DBG, "PMKID already exists\n");
1702                         break;
1703                 }
1704         }
1705         if (i < WILC_MAX_NUM_PMKIDS) {
1706                 PRINT_D(CFG80211_DBG, "Setting PMKID in private structure\n");
1707                 memcpy(priv->pmkid_list.pmkidlist[i].bssid, pmksa->bssid,
1708                             ETH_ALEN);
1709                 memcpy(priv->pmkid_list.pmkidlist[i].pmkid, pmksa->pmkid,
1710                             PMKID_LEN);
1711                 if (!(flag == PMKID_FOUND))
1712                         priv->pmkid_list.numpmkid++;
1713         } else {
1714                 PRINT_ER("Invalid PMKID index\n");
1715                 s32Error = -EINVAL;
1716         }
1717
1718         if (!s32Error) {
1719                 PRINT_D(CFG80211_DBG, "Setting pmkid in the host interface\n");
1720                 s32Error = host_int_set_pmkid_info(priv->hWILCWFIDrv, &priv->pmkid_list);
1721         }
1722         return s32Error;
1723 }
1724
1725 /**
1726  *  @brief      del_pmksa
1727  *  @details    Delete a cached PMKID.
1728  *  @param[in]
1729  *  @return     int : Return 0 on Success
1730  *  @author     mdaftedar
1731  *  @date       01 MAR 2012
1732  *  @version    1.0
1733  */
1734 static int del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1735                      struct cfg80211_pmksa *pmksa)
1736 {
1737
1738         u32 i;
1739         s32 s32Error = 0;
1740
1741         struct wilc_priv *priv = wiphy_priv(wiphy);
1742
1743         PRINT_D(CFG80211_DBG, "Deleting PMKSA keys\n");
1744
1745         for (i = 0; i < priv->pmkid_list.numpmkid; i++) {
1746                 if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid,
1747                                  ETH_ALEN)) {
1748                         /*If bssid is found, reset the values*/
1749                         PRINT_D(CFG80211_DBG, "Reseting PMKID values\n");
1750                         memset(&priv->pmkid_list.pmkidlist[i], 0, sizeof(struct host_if_pmkid));
1751                         break;
1752                 }
1753         }
1754
1755         if (i < priv->pmkid_list.numpmkid && priv->pmkid_list.numpmkid > 0) {
1756                 for (; i < (priv->pmkid_list.numpmkid - 1); i++) {
1757                         memcpy(priv->pmkid_list.pmkidlist[i].bssid,
1758                                     priv->pmkid_list.pmkidlist[i + 1].bssid,
1759                                     ETH_ALEN);
1760                         memcpy(priv->pmkid_list.pmkidlist[i].pmkid,
1761                                     priv->pmkid_list.pmkidlist[i].pmkid,
1762                                     PMKID_LEN);
1763                 }
1764                 priv->pmkid_list.numpmkid--;
1765         } else {
1766                 s32Error = -EINVAL;
1767         }
1768
1769         return s32Error;
1770 }
1771
1772 /**
1773  *  @brief      flush_pmksa
1774  *  @details    Flush all cached PMKIDs.
1775  *  @param[in]
1776  *  @return     int : Return 0 on Success
1777  *  @author     mdaftedar
1778  *  @date       01 MAR 2012
1779  *  @version    1.0
1780  */
1781 static int flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1782 {
1783         struct wilc_priv *priv = wiphy_priv(wiphy);
1784
1785         PRINT_D(CFG80211_DBG,  "Flushing  PMKID key values\n");
1786
1787         /*Get cashed Pmkids and set all with zeros*/
1788         memset(&priv->pmkid_list, 0, sizeof(struct host_if_pmkid_attr));
1789
1790         return 0;
1791 }
1792
1793
1794 /**
1795  *  @brief      WILC_WFI_CfgParseRxAction
1796  *  @details Function parses the received  frames and modifies the following attributes:
1797  *                -GO Intent
1798  *                  -Channel list
1799  *                  -Operating Channel
1800  *
1801  *  @param[in] u8* Buffer, u32 length
1802  *  @return     NONE.
1803  *  @author     mdaftedar
1804  *  @date       12 DEC 2012
1805  *  @version
1806  */
1807
1808 void WILC_WFI_CfgParseRxAction(u8 *buf, u32 len)
1809 {
1810         u32 index = 0;
1811         u32 i = 0, j = 0;
1812
1813         u8 op_channel_attr_index = 0;
1814         u8 channel_list_attr_index = 0;
1815
1816         while (index < len) {
1817                 if (buf[index] == GO_INTENT_ATTR_ID) {
1818                         buf[index + 3] = (buf[index + 3]  & 0x01) | (0x00 << 1);
1819                 }
1820
1821                 if (buf[index] ==  CHANLIST_ATTR_ID)
1822                         channel_list_attr_index = index;
1823                 else if (buf[index] ==  OPERCHAN_ATTR_ID)
1824                         op_channel_attr_index = index;
1825                 index += buf[index + 1] + 3; /* ID,Length byte */
1826         }
1827         if (u8WLANChannel != INVALID_CHANNEL) {
1828
1829                 /*Modify channel list attribute*/
1830                 if (channel_list_attr_index) {
1831                         PRINT_D(GENERIC_DBG, "Modify channel list attribute\n");
1832                         for (i = channel_list_attr_index + 3; i < ((channel_list_attr_index + 3) + buf[channel_list_attr_index + 1]); i++) {
1833                                 if (buf[i] == 0x51) {
1834                                         for (j = i + 2; j < ((i + 2) + buf[i + 1]); j++) {
1835                                                 buf[j] = u8WLANChannel;
1836                                         }
1837                                         break;
1838                                 }
1839                         }
1840                 }
1841                 /*Modify operating channel attribute*/
1842                 if (op_channel_attr_index) {
1843                         PRINT_D(GENERIC_DBG, "Modify operating channel attribute\n");
1844                         buf[op_channel_attr_index + 6] = 0x51;
1845                         buf[op_channel_attr_index + 7] = u8WLANChannel;
1846                 }
1847         }
1848 }
1849
1850 /**
1851  *  @brief      WILC_WFI_CfgParseTxAction
1852  *  @details Function parses the transmitted  action frames and modifies the
1853  *               GO Intent attribute
1854  *  @param[in] u8* Buffer, u32 length, bool bOperChan, u8 iftype
1855  *  @return     NONE.
1856  *  @author     mdaftedar
1857  *  @date       12 DEC 2012
1858  *  @version
1859  */
1860 void WILC_WFI_CfgParseTxAction(u8 *buf, u32 len, bool bOperChan, u8 iftype)
1861 {
1862         u32 index = 0;
1863         u32 i = 0, j = 0;
1864
1865         u8 op_channel_attr_index = 0;
1866         u8 channel_list_attr_index = 0;
1867
1868         while (index < len) {
1869                 if (buf[index] == GO_INTENT_ATTR_ID) {
1870                         buf[index + 3] = (buf[index + 3]  & 0x01) | (0x0f << 1);
1871
1872                         break;
1873                 }
1874
1875                 if (buf[index] ==  CHANLIST_ATTR_ID)
1876                         channel_list_attr_index = index;
1877                 else if (buf[index] ==  OPERCHAN_ATTR_ID)
1878                         op_channel_attr_index = index;
1879                 index += buf[index + 1] + 3; /* ID,Length byte */
1880         }
1881         if (u8WLANChannel != INVALID_CHANNEL && bOperChan) {
1882
1883                 /*Modify channel list attribute*/
1884                 if (channel_list_attr_index) {
1885                         PRINT_D(GENERIC_DBG, "Modify channel list attribute\n");
1886                         for (i = channel_list_attr_index + 3; i < ((channel_list_attr_index + 3) + buf[channel_list_attr_index + 1]); i++) {
1887                                 if (buf[i] == 0x51) {
1888                                         for (j = i + 2; j < ((i + 2) + buf[i + 1]); j++) {
1889                                                 buf[j] = u8WLANChannel;
1890                                         }
1891                                         break;
1892                                 }
1893                         }
1894                 }
1895                 /*Modify operating channel attribute*/
1896                 if (op_channel_attr_index) {
1897                         PRINT_D(GENERIC_DBG, "Modify operating channel attribute\n");
1898                         buf[op_channel_attr_index + 6] = 0x51;
1899                         buf[op_channel_attr_index + 7] = u8WLANChannel;
1900                 }
1901         }
1902 }
1903
1904 /*  @brief                       WILC_WFI_p2p_rx
1905  *  @details
1906  *  @param[in]
1907  *
1908  *  @return             None
1909  *  @author             Mai Daftedar
1910  *  @date                       2 JUN 2013
1911  *  @version            1.0
1912  */
1913
1914 void WILC_WFI_p2p_rx (struct net_device *dev, u8 *buff, u32 size)
1915 {
1916
1917         struct wilc_priv *priv;
1918         u32 header, pkt_offset;
1919         struct host_if_drv *pstrWFIDrv;
1920         u32 i = 0;
1921         s32 s32Freq;
1922
1923         priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
1924         pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
1925
1926         /* Get WILC header */
1927         memcpy(&header, (buff - HOST_HDR_OFFSET), HOST_HDR_OFFSET);
1928
1929         /* The packet offset field conain info about what type of managment frame */
1930         /* we are dealing with and ack status */
1931         pkt_offset = GET_PKT_OFFSET(header);
1932
1933         if (pkt_offset & IS_MANAGMEMENT_CALLBACK) {
1934                 if (buff[FRAME_TYPE_ID] == IEEE80211_STYPE_PROBE_RESP) {
1935                         PRINT_D(GENERIC_DBG, "Probe response ACK\n");
1936                         cfg80211_mgmt_tx_status(priv->wdev, priv->u64tx_cookie, buff, size, true, GFP_KERNEL);
1937                         return;
1938                 } else {
1939                         if (pkt_offset & IS_MGMT_STATUS_SUCCES) {
1940                                 PRINT_D(GENERIC_DBG, "Success Ack - Action frame category: %x Action Subtype: %d Dialog T: %x OR %x\n", buff[ACTION_CAT_ID], buff[ACTION_SUBTYPE_ID],
1941                                         buff[ACTION_SUBTYPE_ID + 1], buff[P2P_PUB_ACTION_SUBTYPE + 1]);
1942                                 cfg80211_mgmt_tx_status(priv->wdev, priv->u64tx_cookie, buff, size, true, GFP_KERNEL);
1943                         } else {
1944                                 PRINT_D(GENERIC_DBG, "Fail Ack - Action frame category: %x Action Subtype: %d Dialog T: %x OR %x\n", buff[ACTION_CAT_ID], buff[ACTION_SUBTYPE_ID],
1945                                         buff[ACTION_SUBTYPE_ID + 1], buff[P2P_PUB_ACTION_SUBTYPE + 1]);
1946                                 cfg80211_mgmt_tx_status(priv->wdev, priv->u64tx_cookie, buff, size, false, GFP_KERNEL);
1947                         }
1948                         return;
1949                 }
1950         } else {
1951
1952                 PRINT_D(GENERIC_DBG, "Rx Frame Type:%x\n", buff[FRAME_TYPE_ID]);
1953
1954                 /*Upper layer is informed that the frame is received on this freq*/
1955                 s32Freq = ieee80211_channel_to_frequency(curr_channel, IEEE80211_BAND_2GHZ);
1956
1957                 if (ieee80211_is_action(buff[FRAME_TYPE_ID])) {
1958                         PRINT_D(GENERIC_DBG, "Rx Action Frame Type: %x %x\n", buff[ACTION_SUBTYPE_ID], buff[P2P_PUB_ACTION_SUBTYPE]);
1959
1960                         if (priv->bCfgScanning && time_after_eq(jiffies, (unsigned long)pstrWFIDrv->u64P2p_MgmtTimeout)) {
1961                                 PRINT_D(GENERIC_DBG, "Receiving action frames from wrong channels\n");
1962                                 return;
1963                         }
1964                         if (buff[ACTION_CAT_ID] == PUB_ACTION_ATTR_ID) {
1965
1966                                 switch (buff[ACTION_SUBTYPE_ID]) {
1967                                 case GAS_INTIAL_REQ:
1968                                         PRINT_D(GENERIC_DBG, "GAS INITIAL REQ %x\n", buff[ACTION_SUBTYPE_ID]);
1969                                         break;
1970
1971                                 case GAS_INTIAL_RSP:
1972                                         PRINT_D(GENERIC_DBG, "GAS INITIAL RSP %x\n", buff[ACTION_SUBTYPE_ID]);
1973                                         break;
1974
1975                                 case PUBLIC_ACT_VENDORSPEC:
1976                                         /*Now we have a public action vendor specific action frame, check if its a p2p public action frame
1977                                          * based on the standard its should have the p2p_oui attribute with the following values 50 6f 9A 09*/
1978                                         if (!memcmp(u8P2P_oui, &buff[ACTION_SUBTYPE_ID + 1], 4)) {
1979                                                 if ((buff[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_REQ || buff[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_RSP)) {
1980                                                         if (!bWilc_ie) {
1981                                                                 for (i = P2P_PUB_ACTION_SUBTYPE; i < size; i++) {
1982                                                                         if (!memcmp(u8P2P_vendorspec, &buff[i], 6)) {
1983                                                                                 u8P2Precvrandom = buff[i + 6];
1984                                                                                 bWilc_ie = true;
1985                                                                                 PRINT_D(GENERIC_DBG, "WILC Vendor specific IE:%02x\n", u8P2Precvrandom);
1986                                                                                 break;
1987                                                                         }
1988                                                                 }
1989                                                         }
1990                                                 }
1991                                                 if (u8P2Plocalrandom > u8P2Precvrandom) {
1992                                                         if ((buff[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_REQ || buff[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_RSP
1993                                                               || buff[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_REQ || buff[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_RSP)) {
1994                                                                 for (i = P2P_PUB_ACTION_SUBTYPE + 2; i < size; i++) {
1995                                                                         if (buff[i] == P2PELEM_ATTR_ID && !(memcmp(u8P2P_oui, &buff[i + 2], 4))) {
1996                                                                                 WILC_WFI_CfgParseRxAction(&buff[i + 6], size - (i + 6));
1997                                                                                 break;
1998                                                                         }
1999                                                                 }
2000                                                         }
2001                                                 } else
2002                                                         PRINT_D(GENERIC_DBG, "PEER WILL BE GO LocaRand=%02x RecvRand %02x\n", u8P2Plocalrandom, u8P2Precvrandom);
2003                                         }
2004
2005
2006                                         if ((buff[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_REQ || buff[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_RSP) && (bWilc_ie))   {
2007                                                 PRINT_D(GENERIC_DBG, "Sending P2P to host without extra elemnt\n");
2008                                                 /* extra attribute for sig_dbm: signal strength in mBm, or 0 if unknown */
2009                                                 cfg80211_rx_mgmt(priv->wdev, s32Freq, 0, buff, size - 7, 0);
2010                                                 return;
2011                                         }
2012                                         break;
2013
2014                                 default:
2015                                         PRINT_D(GENERIC_DBG, "NOT HANDLED PUBLIC ACTION FRAME TYPE:%x\n", buff[ACTION_SUBTYPE_ID]);
2016                                         break;
2017                                 }
2018                         }
2019                 }
2020
2021                 cfg80211_rx_mgmt(priv->wdev, s32Freq, 0, buff, size - 7, 0);
2022         }
2023 }
2024
2025 /**
2026  *  @brief                      WILC_WFI_mgmt_tx_complete
2027  *  @details            Returns result of writing mgmt frame to VMM (Tx buffers are freed here)
2028  *  @param[in]          priv
2029  *                              transmitting status
2030  *  @return             None
2031  *  @author             Amr Abdelmoghny
2032  *  @date                       20 MAY 2013
2033  *  @version            1.0
2034  */
2035 static void WILC_WFI_mgmt_tx_complete(void *priv, int status)
2036 {
2037         struct p2p_mgmt_data *pv_data = (struct p2p_mgmt_data *)priv;
2038
2039
2040         kfree(pv_data->buff);
2041         kfree(pv_data);
2042 }
2043
2044 /**
2045  * @brief               WILC_WFI_RemainOnChannelReady
2046  *  @details    Callback function, called from handle_remain_on_channel on being ready on channel
2047  *  @param
2048  *  @return     none
2049  *  @author     Amr abdelmoghny
2050  *  @date               9 JUNE 2013
2051  *  @version
2052  */
2053
2054 static void WILC_WFI_RemainOnChannelReady(void *pUserVoid)
2055 {
2056         struct wilc_priv *priv;
2057
2058         priv = (struct wilc_priv *)pUserVoid;
2059
2060         PRINT_D(HOSTINF_DBG, "Remain on channel ready\n");
2061
2062         priv->bInP2PlistenState = true;
2063
2064         cfg80211_ready_on_channel(priv->wdev,
2065                                   priv->strRemainOnChanParams.u64ListenCookie,
2066                                   priv->strRemainOnChanParams.pstrListenChan,
2067                                   priv->strRemainOnChanParams.u32ListenDuration,
2068                                   GFP_KERNEL);
2069 }
2070
2071 /**
2072  * @brief               WILC_WFI_RemainOnChannelExpired
2073  *  @details    Callback function, called on expiration of remain-on-channel duration
2074  *  @param
2075  *  @return     none
2076  *  @author     Amr abdelmoghny
2077  *  @date               15 MAY 2013
2078  *  @version
2079  */
2080
2081 static void WILC_WFI_RemainOnChannelExpired(void *pUserVoid, u32 u32SessionID)
2082 {
2083         struct wilc_priv *priv;
2084
2085         priv = (struct wilc_priv *)pUserVoid;
2086
2087         if (u32SessionID == priv->strRemainOnChanParams.u32ListenSessionID) {
2088                 PRINT_D(GENERIC_DBG, "Remain on channel expired\n");
2089
2090                 priv->bInP2PlistenState = false;
2091
2092                 /*Inform wpas of remain-on-channel expiration*/
2093                 cfg80211_remain_on_channel_expired(priv->wdev,
2094                                                    priv->strRemainOnChanParams.u64ListenCookie,
2095                                                    priv->strRemainOnChanParams.pstrListenChan,
2096                                                    GFP_KERNEL);
2097         } else {
2098                 PRINT_D(GENERIC_DBG, "Received ID 0x%x Expected ID 0x%x (No match)\n", u32SessionID
2099                         , priv->strRemainOnChanParams.u32ListenSessionID);
2100         }
2101 }
2102
2103
2104 /**
2105  *  @brief      remain_on_channel
2106  *  @details    Request the driver to remain awake on the specified
2107  *                      channel for the specified duration to complete an off-channel
2108  *                      operation (e.g., public action frame exchange). When the driver is
2109  *                      ready on the requested channel, it must indicate this with an event
2110  *                      notification by calling cfg80211_ready_on_channel().
2111  *  @param[in]
2112  *  @return     int : Return 0 on Success
2113  *  @author     mdaftedar
2114  *  @date       01 MAR 2012
2115  *  @version    1.0
2116  */
2117 static int remain_on_channel(struct wiphy *wiphy,
2118                              struct wireless_dev *wdev,
2119                              struct ieee80211_channel *chan,
2120                              unsigned int duration, u64 *cookie)
2121 {
2122         s32 s32Error = 0;
2123         struct wilc_priv *priv;
2124
2125         priv = wiphy_priv(wiphy);
2126
2127         PRINT_D(GENERIC_DBG, "Remaining on channel %d\n", chan->hw_value);
2128
2129
2130         if (wdev->iftype == NL80211_IFTYPE_AP) {
2131                 PRINT_D(GENERIC_DBG, "Required remain-on-channel while in AP mode");
2132                 return s32Error;
2133         }
2134
2135         curr_channel = chan->hw_value;
2136
2137         /*Setting params needed by WILC_WFI_RemainOnChannelExpired()*/
2138         priv->strRemainOnChanParams.pstrListenChan = chan;
2139         priv->strRemainOnChanParams.u64ListenCookie = *cookie;
2140         priv->strRemainOnChanParams.u32ListenDuration = duration;
2141         priv->strRemainOnChanParams.u32ListenSessionID++;
2142
2143         s32Error = host_int_remain_on_channel(priv->hWILCWFIDrv
2144                                               , priv->strRemainOnChanParams.u32ListenSessionID
2145                                               , duration
2146                                               , chan->hw_value
2147                                               , WILC_WFI_RemainOnChannelExpired
2148                                               , WILC_WFI_RemainOnChannelReady
2149                                               , (void *)priv);
2150
2151         return s32Error;
2152 }
2153
2154 /**
2155  *  @brief      cancel_remain_on_channel
2156  *  @details    Cancel an on-going remain-on-channel operation.
2157  *                      This allows the operation to be terminated prior to timeout based on
2158  *                      the duration value.
2159  *  @param[in]   struct wiphy *wiphy,
2160  *  @param[in]  struct net_device *dev
2161  *  @param[in]  u64 cookie,
2162  *  @return     int : Return 0 on Success
2163  *  @author     mdaftedar
2164  *  @date       01 MAR 2012
2165  *  @version    1.0
2166  */
2167 static int cancel_remain_on_channel(struct wiphy *wiphy,
2168                                     struct wireless_dev *wdev,
2169                                     u64 cookie)
2170 {
2171         s32 s32Error = 0;
2172         struct wilc_priv *priv;
2173
2174         priv = wiphy_priv(wiphy);
2175
2176         PRINT_D(CFG80211_DBG, "Cancel remain on channel\n");
2177
2178         s32Error = host_int_ListenStateExpired(priv->hWILCWFIDrv, priv->strRemainOnChanParams.u32ListenSessionID);
2179         return s32Error;
2180 }
2181 /**
2182  *  @brief      WILC_WFI_mgmt_tx_frame
2183  *  @details
2184  *
2185  *  @param[in]
2186  *  @return     NONE.
2187  *  @author     mdaftedar
2188  *  @date       01 JUL 2012
2189  *  @version
2190  */
2191 extern bool bEnablePS;
2192 static int mgmt_tx(struct wiphy *wiphy,
2193                    struct wireless_dev *wdev,
2194                    struct cfg80211_mgmt_tx_params *params,
2195                    u64 *cookie)
2196 {
2197         struct ieee80211_channel *chan = params->chan;
2198         unsigned int wait = params->wait;
2199         const u8 *buf = params->buf;
2200         size_t len = params->len;
2201         const struct ieee80211_mgmt *mgmt;
2202         struct p2p_mgmt_data *mgmt_tx;
2203         struct wilc_priv *priv;
2204         struct host_if_drv *pstrWFIDrv;
2205         u32 i;
2206         perInterface_wlan_t *nic;
2207         u32 buf_len = len + sizeof(u8P2P_vendorspec) + sizeof(u8P2Plocalrandom);
2208
2209         nic = netdev_priv(wdev->netdev);
2210         priv = wiphy_priv(wiphy);
2211         pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
2212
2213         *cookie = (unsigned long)buf;
2214         priv->u64tx_cookie = *cookie;
2215         mgmt = (const struct ieee80211_mgmt *) buf;
2216
2217         if (ieee80211_is_mgmt(mgmt->frame_control)) {
2218
2219                 /*mgmt frame allocation*/
2220                 mgmt_tx = kmalloc(sizeof(struct p2p_mgmt_data), GFP_KERNEL);
2221                 if (mgmt_tx == NULL) {
2222                         PRINT_ER("Failed to allocate memory for mgmt_tx structure\n");
2223                         return -EFAULT;
2224                 }
2225                 mgmt_tx->buff = kmalloc(buf_len, GFP_KERNEL);
2226                 if (mgmt_tx->buff == NULL) {
2227                         PRINT_ER("Failed to allocate memory for mgmt_tx buff\n");
2228                         kfree(mgmt_tx);
2229                         return -EFAULT;
2230                 }
2231                 memcpy(mgmt_tx->buff, buf, len);
2232                 mgmt_tx->size = len;
2233
2234
2235                 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
2236                         PRINT_D(GENERIC_DBG, "TX: Probe Response\n");
2237                         PRINT_D(GENERIC_DBG, "Setting channel: %d\n", chan->hw_value);
2238                         host_int_set_mac_chnl_num(priv->hWILCWFIDrv, chan->hw_value);
2239                         /*Save the current channel after we tune to it*/
2240                         curr_channel = chan->hw_value;
2241                 } else if (ieee80211_is_action(mgmt->frame_control))   {
2242                         PRINT_D(GENERIC_DBG, "ACTION FRAME:%x\n", (u16)mgmt->frame_control);
2243
2244
2245                         if (buf[ACTION_CAT_ID] == PUB_ACTION_ATTR_ID) {
2246                                 /*Only set the channel, if not a negotiation confirmation frame
2247                                  * (If Negotiation confirmation frame, force it
2248                                  * to be transmitted on the same negotiation channel)*/
2249
2250                                 if (buf[ACTION_SUBTYPE_ID] != PUBLIC_ACT_VENDORSPEC ||
2251                                     buf[P2P_PUB_ACTION_SUBTYPE] != GO_NEG_CONF) {
2252                                         PRINT_D(GENERIC_DBG, "Setting channel: %d\n", chan->hw_value);
2253                                         host_int_set_mac_chnl_num(priv->hWILCWFIDrv, chan->hw_value);
2254                                         /*Save the current channel after we tune to it*/
2255                                         curr_channel = chan->hw_value;
2256                                 }
2257                                 switch (buf[ACTION_SUBTYPE_ID]) {
2258                                 case GAS_INTIAL_REQ:
2259                                 {
2260                                         PRINT_D(GENERIC_DBG, "GAS INITIAL REQ %x\n", buf[ACTION_SUBTYPE_ID]);
2261                                         break;
2262                                 }
2263
2264                                 case GAS_INTIAL_RSP:
2265                                 {
2266                                         PRINT_D(GENERIC_DBG, "GAS INITIAL RSP %x\n", buf[ACTION_SUBTYPE_ID]);
2267                                         break;
2268                                 }
2269
2270                                 case PUBLIC_ACT_VENDORSPEC:
2271                                 {
2272                                         /*Now we have a public action vendor specific action frame, check if its a p2p public action frame
2273                                          * based on the standard its should have the p2p_oui attribute with the following values 50 6f 9A 09*/
2274                                         if (!memcmp(u8P2P_oui, &buf[ACTION_SUBTYPE_ID + 1], 4)) {
2275                                                 /*For the connection of two WILC's connection generate a rand number to determine who will be a GO*/
2276                                                 if ((buf[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_REQ || buf[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_RSP)) {
2277                                                         if (u8P2Plocalrandom == 1 && u8P2Precvrandom < u8P2Plocalrandom) {
2278                                                                 get_random_bytes(&u8P2Plocalrandom, 1);
2279                                                                 /*Increment the number to prevent if its 0*/
2280                                                                 u8P2Plocalrandom++;
2281                                                         }
2282                                                 }
2283
2284                                                 if ((buf[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_REQ || buf[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_RSP
2285                                                       || buf[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_REQ || buf[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_RSP)) {
2286                                                         if (u8P2Plocalrandom > u8P2Precvrandom) {
2287                                                                 PRINT_D(GENERIC_DBG, "LOCAL WILL BE GO LocaRand=%02x RecvRand %02x\n", u8P2Plocalrandom, u8P2Precvrandom);
2288
2289                                                                 /*Search for the p2p information information element , after the Public action subtype theres a byte for teh dialog token, skip that*/
2290                                                                 for (i = P2P_PUB_ACTION_SUBTYPE + 2; i < len; i++) {
2291                                                                         if (buf[i] == P2PELEM_ATTR_ID && !(memcmp(u8P2P_oui, &buf[i + 2], 4))) {
2292                                                                                 if (buf[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_REQ || buf[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_RSP)
2293                                                                                         WILC_WFI_CfgParseTxAction(&mgmt_tx->buff[i + 6], len - (i + 6), true, nic->iftype);
2294
2295                                                                                 /*If using supplicant go intent, no need at all*/
2296                                                                                 /*to parse transmitted negotiation frames*/
2297                                                                                 else
2298                                                                                         WILC_WFI_CfgParseTxAction(&mgmt_tx->buff[i + 6], len - (i + 6), false, nic->iftype);
2299                                                                                 break;
2300                                                                         }
2301                                                                 }
2302
2303                                                                 if (buf[P2P_PUB_ACTION_SUBTYPE] != P2P_INV_REQ && buf[P2P_PUB_ACTION_SUBTYPE] != P2P_INV_RSP) {
2304                                                                         /*
2305                                                                          * Adding WILC information element to allow two WILC devices to
2306                                                                          * identify each other and connect
2307                                                                          */
2308                                                                         memcpy(&mgmt_tx->buff[len], u8P2P_vendorspec, sizeof(u8P2P_vendorspec));
2309                                                                         mgmt_tx->buff[len + sizeof(u8P2P_vendorspec)] = u8P2Plocalrandom;
2310                                                                         mgmt_tx->size = buf_len;
2311                                                                 }
2312                                                         } else
2313                                                                 PRINT_D(GENERIC_DBG, "PEER WILL BE GO LocaRand=%02x RecvRand %02x\n", u8P2Plocalrandom, u8P2Precvrandom);
2314                                                 }
2315
2316                                         } else {
2317                                                 PRINT_D(GENERIC_DBG, "Not a P2P public action frame\n");
2318                                         }
2319
2320                                         break;
2321                                 }
2322
2323                                 default:
2324                                 {
2325                                         PRINT_D(GENERIC_DBG, "NOT HANDLED PUBLIC ACTION FRAME TYPE:%x\n", buf[ACTION_SUBTYPE_ID]);
2326                                         break;
2327                                 }
2328                                 }
2329
2330                         }
2331
2332                         PRINT_D(GENERIC_DBG, "TX: ACTION FRAME Type:%x : Chan:%d\n", buf[ACTION_SUBTYPE_ID], chan->hw_value);
2333                         pstrWFIDrv->u64P2p_MgmtTimeout = (jiffies + msecs_to_jiffies(wait));
2334
2335                         PRINT_D(GENERIC_DBG, "Current Jiffies: %lu Timeout:%llu\n", jiffies, pstrWFIDrv->u64P2p_MgmtTimeout);
2336
2337                 }
2338
2339                 wilc_wlan_txq_add_mgmt_pkt(mgmt_tx, mgmt_tx->buff,
2340                                            mgmt_tx->size,
2341                                            WILC_WFI_mgmt_tx_complete);
2342         } else {
2343                 PRINT_D(GENERIC_DBG, "This function transmits only management frames\n");
2344         }
2345         return 0;
2346 }
2347
2348 static int mgmt_tx_cancel_wait(struct wiphy *wiphy,
2349                                struct wireless_dev *wdev,
2350                                u64 cookie)
2351 {
2352         struct wilc_priv *priv;
2353         struct host_if_drv *pstrWFIDrv;
2354
2355         priv = wiphy_priv(wiphy);
2356         pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
2357
2358
2359         PRINT_D(GENERIC_DBG, "Tx Cancel wait :%lu\n", jiffies);
2360         pstrWFIDrv->u64P2p_MgmtTimeout = jiffies;
2361
2362         if (!priv->bInP2PlistenState) {
2363                 cfg80211_remain_on_channel_expired(priv->wdev,
2364                                                    priv->strRemainOnChanParams.u64ListenCookie,
2365                                                    priv->strRemainOnChanParams.pstrListenChan,
2366                                                    GFP_KERNEL);
2367         }
2368
2369         return 0;
2370 }
2371
2372 /**
2373  *  @brief      wilc_mgmt_frame_register
2374  *  @details Notify driver that a management frame type was
2375  *              registered. Note that this callback may not sleep, and cannot run
2376  *                      concurrently with itself.
2377  *  @param[in]
2378  *  @return     NONE.
2379  *  @author     mdaftedar
2380  *  @date       01 JUL 2012
2381  *  @version
2382  */
2383 void wilc_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev,
2384                               u16 frame_type, bool reg)
2385 {
2386
2387         struct wilc_priv *priv;
2388         perInterface_wlan_t *nic;
2389         struct wilc *wl;
2390
2391         priv = wiphy_priv(wiphy);
2392         nic = netdev_priv(priv->wdev->netdev);
2393         wl = nic->wilc;
2394
2395         if (!frame_type)
2396                 return;
2397
2398         PRINT_D(GENERIC_DBG, "Frame registering Frame Type: %x: Boolean: %d\n", frame_type, reg);
2399         switch (frame_type) {
2400         case PROBE_REQ:
2401         {
2402                 nic->g_struct_frame_reg[0].frame_type = frame_type;
2403                 nic->g_struct_frame_reg[0].reg = reg;
2404         }
2405         break;
2406
2407         case ACTION:
2408         {
2409                 nic->g_struct_frame_reg[1].frame_type = frame_type;
2410                 nic->g_struct_frame_reg[1].reg = reg;
2411         }
2412         break;
2413
2414         default:
2415         {
2416                 break;
2417         }
2418
2419         }
2420         /*If mac is closed, then return*/
2421         if (!wl->initialized) {
2422                 PRINT_D(GENERIC_DBG, "Return since mac is closed\n");
2423                 return;
2424         }
2425         host_int_frame_register(priv->hWILCWFIDrv, frame_type, reg);
2426
2427
2428 }
2429
2430 /**
2431  *  @brief      set_cqm_rssi_config
2432  *  @details    Configure connection quality monitor RSSI threshold.
2433  *  @param[in]   struct wiphy *wiphy:
2434  *  @param[in]  struct net_device *dev:
2435  *  @param[in]          s32 rssi_thold:
2436  *  @param[in]  u32 rssi_hyst:
2437  *  @return     int : Return 0 on Success
2438  *  @author     mdaftedar
2439  *  @date       01 MAR 2012
2440  *  @version    1.0
2441  */
2442 static int set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev,
2443                                s32 rssi_thold, u32 rssi_hyst)
2444 {
2445         PRINT_D(CFG80211_DBG, "Setting CQM RSSi Function\n");
2446         return 0;
2447
2448 }
2449 /**
2450  *  @brief      dump_station
2451  *  @details    Configure connection quality monitor RSSI threshold.
2452  *  @param[in]   struct wiphy *wiphy:
2453  *  @param[in]  struct net_device *dev
2454  *  @param[in]          int idx
2455  *  @param[in]  u8 *mac
2456  *  @param[in]  struct station_info *sinfo
2457  *  @return     int : Return 0 on Success
2458  *  @author     mdaftedar
2459  *  @date       01 MAR 2012
2460  *  @version    1.0
2461  */
2462 static int dump_station(struct wiphy *wiphy, struct net_device *dev,
2463                         int idx, u8 *mac, struct station_info *sinfo)
2464 {
2465         struct wilc_priv *priv;
2466
2467         PRINT_D(CFG80211_DBG, "Dumping station information\n");
2468
2469         if (idx != 0)
2470                 return -ENOENT;
2471
2472         priv = wiphy_priv(wiphy);
2473
2474         sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
2475
2476         host_int_get_rssi(priv->hWILCWFIDrv, &(sinfo->signal));
2477
2478         return 0;
2479
2480 }
2481
2482
2483 /**
2484  *  @brief      set_power_mgmt
2485  *  @details
2486  *  @param[in]
2487  *  @return     int : Return 0 on Success.
2488  *  @author     mdaftedar
2489  *  @date       01 JUL 2012
2490  *  @version    1.0
2491  */
2492 static int set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2493                           bool enabled, int timeout)
2494 {
2495         struct wilc_priv *priv;
2496
2497         PRINT_D(CFG80211_DBG, " Power save Enabled= %d , TimeOut = %d\n", enabled, timeout);
2498
2499         if (wiphy == NULL)
2500                 return -ENOENT;
2501
2502         priv = wiphy_priv(wiphy);
2503         if (priv->hWILCWFIDrv == NULL) {
2504                 PRINT_ER("Driver is NULL\n");
2505                 return -EIO;
2506         }
2507
2508         if (bEnablePS)
2509                 host_int_set_power_mgmt(priv->hWILCWFIDrv, enabled, timeout);
2510
2511
2512         return 0;
2513
2514 }
2515
2516 /**
2517  *  @brief      change_virtual_intf
2518  *  @details    Change type/configuration of virtual interface,
2519  *                      keep the struct wireless_dev's iftype updated.
2520  *  @param[in]   NONE
2521  *  @return     int : Return 0 on Success.
2522  *  @author     mdaftedar
2523  *  @date       01 MAR 2012
2524  *  @version    1.0
2525  */
2526 int wilc1000_wlan_init(struct net_device *dev, perInterface_wlan_t *p_nic);
2527
2528 static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev,
2529                                enum nl80211_iftype type, u32 *flags, struct vif_params *params)
2530 {
2531         struct wilc_priv *priv;
2532         perInterface_wlan_t *nic;
2533         u8 interface_type;
2534         u16 TID = 0;
2535         u8 i;
2536         struct wilc *wl;
2537
2538         nic = netdev_priv(dev);
2539         priv = wiphy_priv(wiphy);
2540         wl = nic->wilc;
2541
2542         PRINT_D(HOSTAPD_DBG, "In Change virtual interface function\n");
2543         PRINT_D(HOSTAPD_DBG, "Wireless interface name =%s\n", dev->name);
2544         u8P2Plocalrandom = 0x01;
2545         u8P2Precvrandom = 0x00;
2546
2547         bWilc_ie = false;
2548
2549         g_obtainingIP = false;
2550         del_timer(&hDuringIpTimer);
2551         PRINT_D(GENERIC_DBG, "Changing virtual interface, enable scan\n");
2552         /*Set WILC_CHANGING_VIR_IF register to disallow adding futrue keys to CE H/W*/
2553         if (g_ptk_keys_saved && g_gtk_keys_saved) {
2554                 Set_machw_change_vir_if(dev, true);
2555         }
2556
2557         switch (type) {
2558         case NL80211_IFTYPE_STATION:
2559                 connecting = 0;
2560                 PRINT_D(HOSTAPD_DBG, "Interface type = NL80211_IFTYPE_STATION\n");
2561
2562                 /* send delba over wlan interface */
2563
2564
2565                 dev->ieee80211_ptr->iftype = type;
2566                 priv->wdev->iftype = type;
2567                 nic->monitor_flag = 0;
2568                 nic->iftype = STATION_MODE;
2569
2570                 /*Remove the enteries of the previously connected clients*/
2571                 memset(priv->assoc_stainfo.au8Sta_AssociatedBss, 0, MAX_NUM_STA * ETH_ALEN);
2572                 interface_type = nic->iftype;
2573                 nic->iftype = STATION_MODE;
2574
2575                 if (wl->initialized) {
2576                         host_int_del_All_Rx_BASession(priv->hWILCWFIDrv,
2577                                                       wl->vif[0].bssid, TID);
2578                         /* ensure that the message Q is empty */
2579                         host_int_wait_msg_queue_idle();
2580
2581                         /*Eliminate host interface blocking state*/
2582                         up(&wl->cfg_event);
2583
2584                         wilc1000_wlan_deinit(dev);
2585                         wilc1000_wlan_init(dev, nic);
2586                         g_wilc_initialized = 1;
2587                         nic->iftype = interface_type;
2588
2589                         /*Setting interface 1 drv handler and mac address in newly downloaded FW*/
2590                         host_int_set_wfi_drv_handler(wl->vif[0].hif_drv);
2591                         host_int_set_MacAddress(wl->vif[0].hif_drv,
2592                                                 wl->vif[0].src_addr);
2593                         host_int_set_operation_mode(priv->hWILCWFIDrv, STATION_MODE);
2594
2595                         /*Add saved WEP keys, if any*/
2596                         if (g_wep_keys_saved) {
2597                                 host_int_set_wep_default_key(wl->vif[0].hif_drv,
2598                                                              g_key_wep_params.key_idx);
2599                                 host_int_add_wep_key_bss_sta(wl->vif[0].hif_drv,
2600                                                              g_key_wep_params.key,
2601                                                              g_key_wep_params.key_len,
2602                                                              g_key_wep_params.key_idx);
2603                         }
2604
2605                         /*No matter the driver handler passed here, it will be overwriiten*/
2606                         /*in Handle_FlushConnect() with gu8FlushedJoinReqDrvHandler*/
2607                         host_int_flush_join_req(priv->hWILCWFIDrv);
2608
2609                         /*Add saved PTK and GTK keys, if any*/
2610                         if (g_ptk_keys_saved && g_gtk_keys_saved) {
2611                                 PRINT_D(CFG80211_DBG, "ptk %x %x %x\n", g_key_ptk_params.key[0],
2612                                         g_key_ptk_params.key[1],
2613                                         g_key_ptk_params.key[2]);
2614                                 PRINT_D(CFG80211_DBG, "gtk %x %x %x\n", g_key_gtk_params.key[0],
2615                                         g_key_gtk_params.key[1],
2616                                         g_key_gtk_params.key[2]);
2617                                 add_key(wl->vif[0].ndev->ieee80211_ptr->wiphy,
2618                                         wl->vif[0].ndev,
2619                                         g_add_ptk_key_params.key_idx,
2620                                         g_add_ptk_key_params.pairwise,
2621                                         g_add_ptk_key_params.mac_addr,
2622                                         (struct key_params *)(&g_key_ptk_params));
2623
2624                                 add_key(wl->vif[0].ndev->ieee80211_ptr->wiphy,
2625                                         wl->vif[0].ndev,
2626                                         g_add_gtk_key_params.key_idx,
2627                                         g_add_gtk_key_params.pairwise,
2628                                         g_add_gtk_key_params.mac_addr,
2629                                         (struct key_params *)(&g_key_gtk_params));
2630                         }
2631
2632                         if (wl->initialized)    {
2633                                 for (i = 0; i < num_reg_frame; i++) {
2634                                         PRINT_D(INIT_DBG, "Frame registering Type: %x - Reg: %d\n", nic->g_struct_frame_reg[i].frame_type,
2635                                                 nic->g_struct_frame_reg[i].reg);
2636                                         host_int_frame_register(priv->hWILCWFIDrv,
2637                                                                 nic->g_struct_frame_reg[i].frame_type,
2638                                                                 nic->g_struct_frame_reg[i].reg);
2639                                 }
2640                         }
2641
2642                         bEnablePS = true;
2643                         host_int_set_power_mgmt(priv->hWILCWFIDrv, 1, 0);
2644                 }
2645                 break;
2646
2647         case NL80211_IFTYPE_P2P_CLIENT:
2648                 bEnablePS = false;
2649                 host_int_set_power_mgmt(priv->hWILCWFIDrv, 0, 0);
2650                 connecting = 0;
2651                 PRINT_D(HOSTAPD_DBG, "Interface type = NL80211_IFTYPE_P2P_CLIENT\n");
2652
2653                 host_int_del_All_Rx_BASession(priv->hWILCWFIDrv,
2654                                               wl->vif[0].bssid, TID);
2655
2656                 dev->ieee80211_ptr->iftype = type;
2657                 priv->wdev->iftype = type;
2658                 nic->monitor_flag = 0;
2659
2660                 PRINT_D(HOSTAPD_DBG, "Downloading P2P_CONCURRENCY_FIRMWARE\n");
2661                 nic->iftype = CLIENT_MODE;
2662
2663
2664                 if (wl->initialized)    {
2665                         /* ensure that the message Q is empty */
2666                         host_int_wait_msg_queue_idle();
2667
2668                         wilc1000_wlan_deinit(dev);
2669                         wilc1000_wlan_init(dev, nic);
2670                         g_wilc_initialized = 1;
2671
2672                         host_int_set_wfi_drv_handler(wl->vif[0].hif_drv);
2673                         host_int_set_MacAddress(wl->vif[0].hif_drv,
2674                                                 wl->vif[0].src_addr);
2675                         host_int_set_operation_mode(priv->hWILCWFIDrv, STATION_MODE);
2676
2677                         /*Add saved WEP keys, if any*/
2678                         if (g_wep_keys_saved) {
2679                                 host_int_set_wep_default_key(wl->vif[0].hif_drv,
2680                                                              g_key_wep_params.key_idx);
2681                                 host_int_add_wep_key_bss_sta(wl->vif[0].hif_drv,
2682                                                              g_key_wep_params.key,
2683                                                              g_key_wep_params.key_len,
2684                                                              g_key_wep_params.key_idx);
2685                         }
2686
2687                         /*No matter the driver handler passed here, it will be overwriiten*/
2688                         /*in Handle_FlushConnect() with gu8FlushedJoinReqDrvHandler*/
2689                         host_int_flush_join_req(priv->hWILCWFIDrv);
2690
2691                         /*Add saved PTK and GTK keys, if any*/
2692                         if (g_ptk_keys_saved && g_gtk_keys_saved) {
2693                                 PRINT_D(CFG80211_DBG, "ptk %x %x %x\n", g_key_ptk_params.key[0],
2694                                         g_key_ptk_params.key[1],
2695                                         g_key_ptk_params.key[2]);
2696                                 PRINT_D(CFG80211_DBG, "gtk %x %x %x\n", g_key_gtk_params.key[0],
2697                                         g_key_gtk_params.key[1],
2698                                         g_key_gtk_params.key[2]);
2699                                 add_key(wl->vif[0].ndev->ieee80211_ptr->wiphy,
2700                                         wl->vif[0].ndev,
2701                                         g_add_ptk_key_params.key_idx,
2702                                         g_add_ptk_key_params.pairwise,
2703                                         g_add_ptk_key_params.mac_addr,
2704                                         (struct key_params *)(&g_key_ptk_params));
2705
2706                                 add_key(wl->vif[0].ndev->ieee80211_ptr->wiphy,
2707                                         wl->vif[0].ndev,
2708                                         g_add_gtk_key_params.key_idx,
2709                                         g_add_gtk_key_params.pairwise,
2710                                         g_add_gtk_key_params.mac_addr,
2711                                         (struct key_params *)(&g_key_gtk_params));
2712                         }
2713
2714                         /*Refresh scan, to refresh the scan results to the wpa_supplicant. Set MachHw to false to enable further key installments*/
2715                         refresh_scan(priv, 1, true);
2716                         Set_machw_change_vir_if(dev, false);
2717
2718                         if (wl->initialized)    {
2719                                 for (i = 0; i < num_reg_frame; i++) {
2720                                         PRINT_D(INIT_DBG, "Frame registering Type: %x - Reg: %d\n", nic->g_struct_frame_reg[i].frame_type,
2721                                                 nic->g_struct_frame_reg[i].reg);
2722                                         host_int_frame_register(priv->hWILCWFIDrv,
2723                                                                 nic->g_struct_frame_reg[i].frame_type,
2724                                                                 nic->g_struct_frame_reg[i].reg);
2725                                 }
2726                         }
2727                 }
2728                 break;
2729
2730         case NL80211_IFTYPE_AP:
2731                 bEnablePS = false;
2732                 PRINT_D(HOSTAPD_DBG, "Interface type = NL80211_IFTYPE_AP %d\n", type);
2733                 dev->ieee80211_ptr->iftype = type;
2734                 priv->wdev->iftype = type;
2735                 nic->iftype = AP_MODE;
2736                 PRINT_D(CORECONFIG_DBG, "priv->hWILCWFIDrv[%p]\n", priv->hWILCWFIDrv);
2737
2738                 PRINT_D(HOSTAPD_DBG, "Downloading AP firmware\n");
2739                 linux_wlan_get_firmware(nic);
2740                 /*If wilc is running, then close-open to actually get new firmware running (serves P2P)*/
2741                 if (wl->initialized)    {
2742                         nic->iftype = AP_MODE;
2743                         mac_close(dev);
2744                         mac_open(dev);
2745
2746                         for (i = 0; i < num_reg_frame; i++) {
2747                                 PRINT_D(INIT_DBG, "Frame registering Type: %x - Reg: %d\n", nic->g_struct_frame_reg[i].frame_type,
2748                                         nic->g_struct_frame_reg[i].reg);
2749                                 host_int_frame_register(priv->hWILCWFIDrv,
2750                                                         nic->g_struct_frame_reg[i].frame_type,
2751                                                         nic->g_struct_frame_reg[i].reg);
2752                         }
2753                 }
2754                 break;
2755
2756         case NL80211_IFTYPE_P2P_GO:
2757                 PRINT_D(GENERIC_DBG, "start duringIP timer\n");
2758
2759                 g_obtainingIP = true;
2760                 mod_timer(&hDuringIpTimer, jiffies + msecs_to_jiffies(duringIP_TIME));
2761                 host_int_set_power_mgmt(priv->hWILCWFIDrv, 0, 0);
2762                 /*Delete block ack has to be the latest config packet*/
2763                 /*sent before downloading new FW. This is because it blocks on*/
2764                 /*hWaitResponse semaphore, which allows previous config*/
2765                 /*packets to actually take action on old FW*/
2766                 host_int_del_All_Rx_BASession(priv->hWILCWFIDrv,
2767                                               wl->vif[0].bssid, TID);
2768                 bEnablePS = false;
2769                 PRINT_D(HOSTAPD_DBG, "Interface type = NL80211_IFTYPE_GO\n");
2770                 dev->ieee80211_ptr->iftype = type;
2771                 priv->wdev->iftype = type;
2772
2773                 PRINT_D(CORECONFIG_DBG, "priv->hWILCWFIDrv[%p]\n", priv->hWILCWFIDrv);
2774
2775                 PRINT_D(HOSTAPD_DBG, "Downloading P2P_CONCURRENCY_FIRMWARE\n");
2776
2777
2778                 nic->iftype = GO_MODE;
2779
2780                 /* ensure that the message Q is empty */
2781                 host_int_wait_msg_queue_idle();
2782                 wilc1000_wlan_deinit(dev);
2783                 wilc1000_wlan_init(dev, nic);
2784                 g_wilc_initialized = 1;
2785
2786
2787                 /*Setting interface 1 drv handler and mac address in newly downloaded FW*/
2788                 host_int_set_wfi_drv_handler(wl->vif[0].hif_drv);
2789                 host_int_set_MacAddress(wl->vif[0].hif_drv,
2790                                         wl->vif[0].src_addr);
2791                 host_int_set_operation_mode(priv->hWILCWFIDrv, AP_MODE);
2792
2793                 /*Add saved WEP keys, if any*/
2794                 if (g_wep_keys_saved) {
2795                         host_int_set_wep_default_key(wl->vif[0].hif_drv,
2796                                                      g_key_wep_params.key_idx);
2797                         host_int_add_wep_key_bss_sta(wl->vif[0].hif_drv,
2798                                                      g_key_wep_params.key,
2799                                                      g_key_wep_params.key_len,
2800                                                      g_key_wep_params.key_idx);
2801                 }
2802
2803                 /*No matter the driver handler passed here, it will be overwriiten*/
2804                 /*in Handle_FlushConnect() with gu8FlushedJoinReqDrvHandler*/
2805                 host_int_flush_join_req(priv->hWILCWFIDrv);
2806
2807                 /*Add saved PTK and GTK keys, if any*/
2808                 if (g_ptk_keys_saved && g_gtk_keys_saved) {
2809                         PRINT_D(CFG80211_DBG, "ptk %x %x %x cipher %x\n", g_key_ptk_params.key[0],
2810                                 g_key_ptk_params.key[1],
2811                                 g_key_ptk_params.key[2],
2812                                 g_key_ptk_params.cipher);
2813                         PRINT_D(CFG80211_DBG, "gtk %x %x %x cipher %x\n", g_key_gtk_params.key[0],
2814                                 g_key_gtk_params.key[1],
2815                                 g_key_gtk_params.key[2],
2816                                 g_key_gtk_params.cipher);
2817                         add_key(wl->vif[0].ndev->ieee80211_ptr->wiphy,
2818                                 wl->vif[0].ndev,
2819                                 g_add_ptk_key_params.key_idx,
2820                                 g_add_ptk_key_params.pairwise,
2821                                 g_add_ptk_key_params.mac_addr,
2822                                 (struct key_params *)(&g_key_ptk_params));
2823
2824                         add_key(wl->vif[0].ndev->ieee80211_ptr->wiphy,
2825                                 wl->vif[0].ndev,
2826                                 g_add_gtk_key_params.key_idx,
2827                                 g_add_gtk_key_params.pairwise,
2828                                 g_add_gtk_key_params.mac_addr,
2829                                 (struct key_params *)(&g_key_gtk_params));
2830                 }
2831
2832                 if (wl->initialized)    {
2833                         for (i = 0; i < num_reg_frame; i++) {
2834                                 PRINT_D(INIT_DBG, "Frame registering Type: %x - Reg: %d\n", nic->g_struct_frame_reg[i].frame_type,
2835                                         nic->g_struct_frame_reg[i].reg);
2836                                 host_int_frame_register(priv->hWILCWFIDrv,
2837                                                         nic->g_struct_frame_reg[i].frame_type,
2838                                                         nic->g_struct_frame_reg[i].reg);
2839                         }
2840                 }
2841                 break;
2842
2843         default:
2844                 PRINT_ER("Unknown interface type= %d\n", type);
2845                 return -EINVAL;
2846         }
2847
2848         return 0;
2849 }
2850
2851 /* (austin.2013-07-23)
2852  *
2853  *      To support revised cfg80211_ops
2854  *
2855  *              add_beacon --> start_ap
2856  *              set_beacon --> change_beacon
2857  *              del_beacon --> stop_ap
2858  *
2859  *              beacon_parameters  -->  cfg80211_ap_settings
2860  *                                                              cfg80211_beacon_data
2861  *
2862  *      applicable for linux kernel 3.4+
2863  */
2864
2865 /**
2866  *  @brief      start_ap
2867  *  @details    Add a beacon with given parameters, @head, @interval
2868  *                      and @dtim_period will be valid, @tail is optional.
2869  *  @param[in]   wiphy
2870  *  @param[in]   dev    The net device structure
2871  *  @param[in]   settings       cfg80211_ap_settings parameters for the beacon to be added
2872  *  @return     int : Return 0 on Success.
2873  *  @author     austin
2874  *  @date       23 JUL 2013
2875  *  @version    1.0
2876  */
2877 static int start_ap(struct wiphy *wiphy, struct net_device *dev,
2878                     struct cfg80211_ap_settings *settings)
2879 {
2880         struct cfg80211_beacon_data *beacon = &(settings->beacon);
2881         struct wilc_priv *priv;
2882         s32 s32Error = 0;
2883         struct wilc *wl;
2884         perInterface_wlan_t *nic;
2885
2886         priv = wiphy_priv(wiphy);
2887         nic = netdev_priv(dev);
2888         wl = nic->wilc;
2889         PRINT_D(HOSTAPD_DBG, "Starting ap\n");
2890
2891         PRINT_D(HOSTAPD_DBG, "Interval = %d\n DTIM period = %d\n Head length = %zu Tail length = %zu\n",
2892                 settings->beacon_interval, settings->dtim_period, beacon->head_len, beacon->tail_len);
2893
2894         s32Error = set_channel(wiphy, &settings->chandef);
2895
2896         if (s32Error != 0)
2897                 PRINT_ER("Error in setting channel\n");
2898
2899         linux_wlan_set_bssid(dev, wl->vif[0].src_addr);
2900
2901         s32Error = host_int_add_beacon(priv->hWILCWFIDrv,
2902                                         settings->beacon_interval,
2903                                         settings->dtim_period,
2904                                         beacon->head_len, (u8 *)beacon->head,
2905                                         beacon->tail_len, (u8 *)beacon->tail);
2906
2907         return s32Error;
2908 }
2909
2910 /**
2911  *  @brief      change_beacon
2912  *  @details    Add a beacon with given parameters, @head, @interval
2913  *                      and @dtim_period will be valid, @tail is optional.
2914  *  @param[in]   wiphy
2915  *  @param[in]   dev    The net device structure
2916  *  @param[in]   beacon cfg80211_beacon_data for the beacon to be changed
2917  *  @return     int : Return 0 on Success.
2918  *  @author     austin
2919  *  @date       23 JUL 2013
2920  *  @version    1.0
2921  */
2922 static int change_beacon(struct wiphy *wiphy, struct net_device *dev,
2923                          struct cfg80211_beacon_data *beacon)
2924 {
2925         struct wilc_priv *priv;
2926         s32 s32Error = 0;
2927
2928         priv = wiphy_priv(wiphy);
2929         PRINT_D(HOSTAPD_DBG, "Setting beacon\n");
2930
2931
2932         s32Error = host_int_add_beacon(priv->hWILCWFIDrv,
2933                                         0,
2934                                         0,
2935                                         beacon->head_len, (u8 *)beacon->head,
2936                                         beacon->tail_len, (u8 *)beacon->tail);
2937
2938         return s32Error;
2939 }
2940
2941 /**
2942  *  @brief      stop_ap
2943  *  @details    Remove beacon configuration and stop sending the beacon.
2944  *  @param[in]
2945  *  @return     int : Return 0 on Success.
2946  *  @author     austin
2947  *  @date       23 JUL 2013
2948  *  @version    1.0
2949  */
2950 static int stop_ap(struct wiphy *wiphy, struct net_device *dev)
2951 {
2952         s32 s32Error = 0;
2953         struct wilc_priv *priv;
2954         u8 NullBssid[ETH_ALEN] = {0};
2955
2956         if (!wiphy)
2957                 return -EFAULT;
2958
2959         priv = wiphy_priv(wiphy);
2960
2961         PRINT_D(HOSTAPD_DBG, "Deleting beacon\n");
2962
2963         linux_wlan_set_bssid(dev, NullBssid);
2964
2965         s32Error = host_int_del_beacon(priv->hWILCWFIDrv);
2966
2967         if (s32Error)
2968                 PRINT_ER("Host delete beacon fail\n");
2969
2970         return s32Error;
2971 }
2972
2973 /**
2974  *  @brief      add_station
2975  *  @details    Add a new station.
2976  *  @param[in]
2977  *  @return     int : Return 0 on Success.
2978  *  @author     mdaftedar
2979  *  @date       01 MAR 2012
2980  *  @version    1.0
2981  */
2982 static int add_station(struct wiphy *wiphy, struct net_device *dev,
2983                        const u8 *mac, struct station_parameters *params)
2984 {
2985         s32 s32Error = 0;
2986         struct wilc_priv *priv;
2987         struct add_sta_param strStaParams = { {0} };
2988         perInterface_wlan_t *nic;
2989
2990         if (!wiphy)
2991                 return -EFAULT;
2992
2993         priv = wiphy_priv(wiphy);
2994         nic = netdev_priv(dev);
2995
2996         if (nic->iftype == AP_MODE || nic->iftype == GO_MODE) {
2997                 memcpy(strStaParams.au8BSSID, mac, ETH_ALEN);
2998                 memcpy(priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid], mac, ETH_ALEN);
2999                 strStaParams.u16AssocID = params->aid;
3000                 strStaParams.u8NumRates = params->supported_rates_len;
3001                 strStaParams.pu8Rates = params->supported_rates;
3002
3003                 PRINT_D(CFG80211_DBG, "Adding station parameters %d\n", params->aid);
3004
3005                 PRINT_D(CFG80211_DBG, "BSSID = %x%x%x%x%x%x\n", priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid][0], priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid][1], priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid][2], priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid][3], priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid][4],
3006                         priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid][5]);
3007                 PRINT_D(HOSTAPD_DBG, "ASSOC ID = %d\n", strStaParams.u16AssocID);
3008                 PRINT_D(HOSTAPD_DBG, "Number of supported rates = %d\n", strStaParams.u8NumRates);
3009
3010                 if (params->ht_capa == NULL) {
3011                         strStaParams.bIsHTSupported = false;
3012                 } else {
3013                         strStaParams.bIsHTSupported = true;
3014                         strStaParams.u16HTCapInfo = params->ht_capa->cap_info;
3015                         strStaParams.u8AmpduParams = params->ht_capa->ampdu_params_info;
3016                         memcpy(strStaParams.au8SuppMCsSet, &params->ht_capa->mcs, WILC_SUPP_MCS_SET_SIZE);
3017                         strStaParams.u16HTExtParams = params->ht_capa->extended_ht_cap_info;
3018                         strStaParams.u32TxBeamformingCap = params->ht_capa->tx_BF_cap_info;
3019                         strStaParams.u8ASELCap = params->ht_capa->antenna_selection_info;
3020                 }
3021
3022                 strStaParams.u16FlagsMask = params->sta_flags_mask;
3023                 strStaParams.u16FlagsSet = params->sta_flags_set;
3024
3025                 PRINT_D(HOSTAPD_DBG, "IS HT supported = %d\n", strStaParams.bIsHTSupported);
3026                 PRINT_D(HOSTAPD_DBG, "Capability Info = %d\n", strStaParams.u16HTCapInfo);
3027                 PRINT_D(HOSTAPD_DBG, "AMPDU Params = %d\n", strStaParams.u8AmpduParams);
3028                 PRINT_D(HOSTAPD_DBG, "HT Extended params = %d\n", strStaParams.u16HTExtParams);
3029                 PRINT_D(HOSTAPD_DBG, "Tx Beamforming Cap = %d\n", strStaParams.u32TxBeamformingCap);
3030                 PRINT_D(HOSTAPD_DBG, "Antenna selection info = %d\n", strStaParams.u8ASELCap);
3031                 PRINT_D(HOSTAPD_DBG, "Flag Mask = %d\n", strStaParams.u16FlagsMask);
3032                 PRINT_D(HOSTAPD_DBG, "Flag Set = %d\n", strStaParams.u16FlagsSet);
3033
3034                 s32Error = host_int_add_station(priv->hWILCWFIDrv, &strStaParams);
3035                 if (s32Error)
3036                         PRINT_ER("Host add station fail\n");
3037         }
3038
3039         return s32Error;
3040 }
3041
3042 /**
3043  *  @brief      del_station
3044  *  @details    Remove a station; @mac may be NULL to remove all stations.
3045  *  @param[in]
3046  *  @return     int : Return 0 on Success.
3047  *  @author     mdaftedar
3048  *  @date       01 MAR 2012
3049  *  @version    1.0
3050  */
3051 static int del_station(struct wiphy *wiphy, struct net_device *dev,
3052                        struct station_del_parameters *params)
3053 {
3054         const u8 *mac = params->mac;
3055         s32 s32Error = 0;
3056         struct wilc_priv *priv;
3057         perInterface_wlan_t *nic;
3058
3059         if (!wiphy)
3060                 return -EFAULT;
3061
3062         priv = wiphy_priv(wiphy);
3063         nic = netdev_priv(dev);
3064
3065         if (nic->iftype == AP_MODE || nic->iftype == GO_MODE) {
3066                 PRINT_D(HOSTAPD_DBG, "Deleting station\n");
3067
3068
3069                 if (mac == NULL) {
3070                         PRINT_D(HOSTAPD_DBG, "All associated stations\n");
3071                         s32Error = host_int_del_allstation(priv->hWILCWFIDrv, priv->assoc_stainfo.au8Sta_AssociatedBss);
3072                 } else {
3073                         PRINT_D(HOSTAPD_DBG, "With mac address: %x%x%x%x%x%x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3074                 }
3075
3076                 s32Error = host_int_del_station(priv->hWILCWFIDrv, mac);
3077
3078                 if (s32Error)
3079                         PRINT_ER("Host delete station fail\n");
3080         }
3081         return s32Error;
3082 }
3083
3084 /**
3085  *  @brief      change_station
3086  *  @details    Modify a given station.
3087  *  @param[in]
3088  *  @return     int : Return 0 on Success.
3089  *  @author     mdaftedar
3090  *  @date       01 MAR 2012
3091  *  @version    1.0
3092  */
3093 static int change_station(struct wiphy *wiphy, struct net_device *dev,
3094                           const u8 *mac, struct station_parameters *params)
3095 {
3096         s32 s32Error = 0;
3097         struct wilc_priv *priv;
3098         struct add_sta_param strStaParams = { {0} };
3099         perInterface_wlan_t *nic;
3100
3101
3102         PRINT_D(HOSTAPD_DBG, "Change station paramters\n");
3103
3104         if (!wiphy)
3105                 return -EFAULT;
3106
3107         priv = wiphy_priv(wiphy);
3108         nic = netdev_priv(dev);
3109
3110         if (nic->iftype == AP_MODE || nic->iftype == GO_MODE) {
3111                 memcpy(strStaParams.au8BSSID, mac, ETH_ALEN);
3112                 strStaParams.u16AssocID = params->aid;
3113                 strStaParams.u8NumRates = params->supported_rates_len;
3114                 strStaParams.pu8Rates = params->supported_rates;
3115
3116                 PRINT_D(HOSTAPD_DBG, "BSSID = %x%x%x%x%x%x\n", strStaParams.au8BSSID[0], strStaParams.au8BSSID[1], strStaParams.au8BSSID[2], strStaParams.au8BSSID[3], strStaParams.au8BSSID[4],
3117                         strStaParams.au8BSSID[5]);
3118                 PRINT_D(HOSTAPD_DBG, "ASSOC ID = %d\n", strStaParams.u16AssocID);
3119                 PRINT_D(HOSTAPD_DBG, "Number of supported rates = %d\n", strStaParams.u8NumRates);
3120
3121                 if (params->ht_capa == NULL) {
3122                         strStaParams.bIsHTSupported = false;
3123                 } else {
3124                         strStaParams.bIsHTSupported = true;
3125                         strStaParams.u16HTCapInfo = params->ht_capa->cap_info;
3126                         strStaParams.u8AmpduParams = params->ht_capa->ampdu_params_info;
3127                         memcpy(strStaParams.au8SuppMCsSet, &params->ht_capa->mcs, WILC_SUPP_MCS_SET_SIZE);
3128                         strStaParams.u16HTExtParams = params->ht_capa->extended_ht_cap_info;
3129                         strStaParams.u32TxBeamformingCap = params->ht_capa->tx_BF_cap_info;
3130                         strStaParams.u8ASELCap = params->ht_capa->antenna_selection_info;
3131
3132                 }
3133
3134                 strStaParams.u16FlagsMask = params->sta_flags_mask;
3135                 strStaParams.u16FlagsSet = params->sta_flags_set;
3136
3137                 PRINT_D(HOSTAPD_DBG, "IS HT supported = %d\n", strStaParams.bIsHTSupported);
3138                 PRINT_D(HOSTAPD_DBG, "Capability Info = %d\n", strStaParams.u16HTCapInfo);
3139                 PRINT_D(HOSTAPD_DBG, "AMPDU Params = %d\n", strStaParams.u8AmpduParams);
3140                 PRINT_D(HOSTAPD_DBG, "HT Extended params = %d\n", strStaParams.u16HTExtParams);
3141                 PRINT_D(HOSTAPD_DBG, "Tx Beamforming Cap = %d\n", strStaParams.u32TxBeamformingCap);
3142                 PRINT_D(HOSTAPD_DBG, "Antenna selection info = %d\n", strStaParams.u8ASELCap);
3143                 PRINT_D(HOSTAPD_DBG, "Flag Mask = %d\n", strStaParams.u16FlagsMask);
3144                 PRINT_D(HOSTAPD_DBG, "Flag Set = %d\n", strStaParams.u16FlagsSet);
3145
3146                 s32Error = host_int_edit_station(priv->hWILCWFIDrv, &strStaParams);
3147                 if (s32Error)
3148                         PRINT_ER("Host edit station fail\n");
3149         }
3150         return s32Error;
3151 }
3152
3153
3154 /**
3155  *  @brief      add_virtual_intf
3156  *  @details
3157  *  @param[in]
3158  *  @return     int : Return 0 on Success.
3159  *  @author     mdaftedar
3160  *  @date       01 JUL 2012
3161  *  @version    1.0
3162  */
3163 static struct wireless_dev *add_virtual_intf(struct wiphy *wiphy,
3164                                              const char *name,
3165                                              unsigned char name_assign_type,
3166                                              enum nl80211_iftype type,
3167                                              u32 *flags,
3168                                              struct vif_params *params)
3169 {
3170         perInterface_wlan_t *nic;
3171         struct wilc_priv *priv;
3172         struct net_device *new_ifc = NULL;
3173
3174         priv = wiphy_priv(wiphy);
3175
3176
3177
3178         PRINT_D(HOSTAPD_DBG, "Adding monitor interface[%p]\n", priv->wdev->netdev);
3179
3180         nic = netdev_priv(priv->wdev->netdev);
3181
3182
3183         if (type == NL80211_IFTYPE_MONITOR) {
3184                 PRINT_D(HOSTAPD_DBG, "Monitor interface mode: Initializing mon interface virtual device driver\n");
3185                 PRINT_D(HOSTAPD_DBG, "Adding monitor interface[%p]\n", nic->wilc_netdev);
3186                 new_ifc = WILC_WFI_init_mon_interface(name, nic->wilc_netdev);
3187                 if (new_ifc != NULL) {
3188                         PRINT_D(HOSTAPD_DBG, "Setting monitor flag in private structure\n");
3189                         nic = netdev_priv(priv->wdev->netdev);
3190                         nic->monitor_flag = 1;
3191                 } else
3192                         PRINT_ER("Error in initializing monitor interface\n ");
3193         }
3194         return priv->wdev;
3195 }
3196
3197 /**
3198  *  @brief      del_virtual_intf
3199  *  @details
3200  *  @param[in]
3201  *  @return     int : Return 0 on Success.
3202  *  @author     mdaftedar
3203  *  @date       01 JUL 2012
3204  *  @version    1.0
3205  */
3206 static int del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3207 {
3208         PRINT_D(HOSTAPD_DBG, "Deleting virtual interface\n");
3209         return 0;
3210 }
3211
3212 static struct cfg80211_ops wilc_cfg80211_ops = {
3213
3214         .set_monitor_channel = set_channel,
3215         .scan = scan,
3216         .connect = connect,
3217         .disconnect = disconnect,
3218         .add_key = add_key,
3219         .del_key = del_key,
3220         .get_key = get_key,
3221         .set_default_key = set_default_key,
3222         .add_virtual_intf = add_virtual_intf,
3223         .del_virtual_intf = del_virtual_intf,
3224         .change_virtual_intf = change_virtual_intf,
3225
3226         .start_ap = start_ap,
3227         .change_beacon = change_beacon,
3228         .stop_ap = stop_ap,
3229         .add_station = add_station,
3230         .del_station = del_station,
3231         .change_station = change_station,
3232         .get_station = get_station,
3233         .dump_station = dump_station,
3234         .change_bss = change_bss,
3235         .set_wiphy_params = set_wiphy_params,
3236
3237         .set_pmksa = set_pmksa,
3238         .del_pmksa = del_pmksa,
3239         .flush_pmksa = flush_pmksa,
3240         .remain_on_channel = remain_on_channel,
3241         .cancel_remain_on_channel = cancel_remain_on_channel,
3242         .mgmt_tx_cancel_wait = mgmt_tx_cancel_wait,
3243         .mgmt_tx = mgmt_tx,
3244         .mgmt_frame_register = wilc_mgmt_frame_register,
3245         .set_power_mgmt = set_power_mgmt,
3246         .set_cqm_rssi_config = set_cqm_rssi_config,
3247
3248 };
3249
3250
3251
3252
3253
3254 /**
3255  *  @brief      WILC_WFI_update_stats
3256  *  @details    Modify parameters for a given BSS.
3257  *  @param[in]
3258  *  @return     int : Return 0 on Success.
3259  *  @author     mdaftedar
3260  *  @date       01 MAR 2012
3261  *  @version    1.0
3262  */
3263 int WILC_WFI_update_stats(struct wiphy *wiphy, u32 pktlen, u8 changed)
3264 {
3265
3266         struct wilc_priv *priv;
3267
3268         priv = wiphy_priv(wiphy);
3269         switch (changed) {
3270
3271         case WILC_WFI_RX_PKT:
3272         {
3273                 priv->netstats.rx_packets++;
3274                 priv->netstats.rx_bytes += pktlen;
3275                 priv->netstats.rx_time = get_jiffies_64();
3276         }
3277         break;
3278
3279         case WILC_WFI_TX_PKT:
3280         {
3281                 priv->netstats.tx_packets++;
3282                 priv->netstats.tx_bytes += pktlen;
3283                 priv->netstats.tx_time = get_jiffies_64();
3284
3285         }
3286         break;
3287
3288         default:
3289                 break;
3290         }
3291         return 0;
3292 }
3293
3294 /**
3295  *  @brief      WILC_WFI_CfgAlloc
3296  *  @details    Allocation of the wireless device structure and assigning it
3297  *              to the cfg80211 operations structure.
3298  *  @param[in]   NONE
3299  *  @return     wireless_dev : Returns pointer to wireless_dev structure.
3300  *  @author     mdaftedar
3301  *  @date       01 MAR 2012
3302  *  @version    1.0
3303  */
3304 struct wireless_dev *WILC_WFI_CfgAlloc(void)
3305 {
3306
3307         struct wireless_dev *wdev;
3308
3309
3310         PRINT_D(CFG80211_DBG, "Allocating wireless device\n");
3311         /*Allocating the wireless device structure*/
3312         wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
3313         if (!wdev) {
3314                 PRINT_ER("Cannot allocate wireless device\n");
3315                 goto _fail_;
3316         }
3317
3318         /*Creating a new wiphy, linking wireless structure with the wiphy structure*/
3319         wdev->wiphy = wiphy_new(&wilc_cfg80211_ops, sizeof(struct wilc_priv));
3320         if (!wdev->wiphy) {
3321                 PRINT_ER("Cannot allocate wiphy\n");
3322                 goto _fail_mem_;
3323
3324         }
3325
3326         /* enable 802.11n HT */
3327         WILC_WFI_band_2ghz.ht_cap.ht_supported = 1;
3328         WILC_WFI_band_2ghz.ht_cap.cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
3329         WILC_WFI_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3330         WILC_WFI_band_2ghz.ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K;
3331         WILC_WFI_band_2ghz.ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
3332
3333         /*wiphy bands*/
3334         wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &WILC_WFI_band_2ghz;
3335
3336         return wdev;
3337
3338 _fail_mem_:
3339         kfree(wdev);
3340 _fail_:
3341         return NULL;
3342
3343 }
3344 /**
3345  *  @brief      wilc_create_wiphy
3346  *  @details    Registering of the wiphy structure and interface modes
3347  *  @param[in]   NONE
3348  *  @return     NONE
3349  *  @author     mdaftedar
3350  *  @date       01 MAR 2012
3351  *  @version    1.0
3352  */
3353 struct wireless_dev *wilc_create_wiphy(struct net_device *net)
3354 {
3355         struct wilc_priv *priv;
3356         struct wireless_dev *wdev;
3357         s32 s32Error = 0;
3358
3359         PRINT_D(CFG80211_DBG, "Registering wifi device\n");
3360
3361         wdev = WILC_WFI_CfgAlloc();
3362         if (wdev == NULL) {
3363                 PRINT_ER("CfgAlloc Failed\n");
3364                 return NULL;
3365         }
3366
3367
3368         /*Return hardware description structure (wiphy)'s priv*/
3369         priv = wdev_priv(wdev);
3370         sema_init(&(priv->SemHandleUpdateStats), 1);
3371
3372         /*Link the wiphy with wireless structure*/
3373         priv->wdev = wdev;
3374
3375         /*Maximum number of probed ssid to be added by user for the scan request*/
3376         wdev->wiphy->max_scan_ssids = MAX_NUM_PROBED_SSID;
3377         /*Maximum number of pmkids to be cashed*/
3378         wdev->wiphy->max_num_pmkids = WILC_MAX_NUM_PMKIDS;
3379         PRINT_INFO(CFG80211_DBG, "Max number of PMKIDs = %d\n", wdev->wiphy->max_num_pmkids);
3380
3381         wdev->wiphy->max_scan_ie_len = 1000;
3382
3383         /*signal strength in mBm (100*dBm) */
3384         wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3385
3386         /*Set the availaible cipher suites*/
3387         wdev->wiphy->cipher_suites = cipher_suites;
3388         wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3389         /*Setting default managment types: for register action frame:  */
3390         wdev->wiphy->mgmt_stypes = wilc_wfi_cfg80211_mgmt_types;
3391
3392         wdev->wiphy->max_remain_on_channel_duration = 500;
3393         /*Setting the wiphy interfcae mode and type before registering the wiphy*/
3394         wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_MONITOR) | BIT(NL80211_IFTYPE_P2P_GO) |
3395                 BIT(NL80211_IFTYPE_P2P_CLIENT);
3396         wdev->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
3397         wdev->iftype = NL80211_IFTYPE_STATION;
3398
3399
3400
3401         PRINT_INFO(CFG80211_DBG, "Max scan ids = %d,Max scan IE len = %d,Signal Type = %d,Interface Modes = %d,Interface Type = %d\n",
3402                    wdev->wiphy->max_scan_ssids, wdev->wiphy->max_scan_ie_len, wdev->wiphy->signal_type,
3403                    wdev->wiphy->interface_modes, wdev->iftype);
3404
3405         #ifdef WILC_SDIO
3406         set_wiphy_dev(wdev->wiphy, &local_sdio_func->dev);
3407         #endif
3408
3409         /*Register wiphy structure*/
3410         s32Error = wiphy_register(wdev->wiphy);
3411         if (s32Error) {
3412                 PRINT_ER("Cannot register wiphy device\n");
3413                 /*should define what action to be taken in such failure*/
3414         } else {
3415                 PRINT_D(CFG80211_DBG, "Successful Registering\n");
3416         }
3417
3418         priv->dev = net;
3419         return wdev;
3420
3421
3422 }
3423 /**
3424  *  @brief      WILC_WFI_WiphyFree
3425  *  @details    Freeing allocation of the wireless device structure
3426  *  @param[in]   NONE
3427  *  @return     NONE
3428  *  @author     mdaftedar
3429  *  @date       01 MAR 2012
3430  *  @version    1.0
3431  */
3432 int wilc_init_host_int(struct net_device *net)
3433 {
3434
3435         int s32Error = 0;
3436
3437         struct wilc_priv *priv;
3438
3439         PRINT_D(INIT_DBG, "Host[%p][%p]\n", net, net->ieee80211_ptr);
3440         priv = wdev_priv(net->ieee80211_ptr);
3441         if (op_ifcs == 0) {
3442                 setup_timer(&hAgingTimer, remove_network_from_shadow, 0);
3443                 setup_timer(&hDuringIpTimer, clear_duringIP, 0);
3444         }
3445         op_ifcs++;
3446         if (s32Error < 0) {
3447                 PRINT_ER("Failed to creat refresh Timer\n");
3448                 return s32Error;
3449         }
3450
3451         priv->gbAutoRateAdjusted = false;
3452
3453         priv->bInP2PlistenState = false;
3454
3455         sema_init(&(priv->hSemScanReq), 1);
3456         s32Error = host_int_init(net, &priv->hWILCWFIDrv);
3457         if (s32Error)
3458                 PRINT_ER("Error while initializing hostinterface\n");
3459
3460         return s32Error;
3461 }
3462
3463 /**
3464  *  @brief      WILC_WFI_WiphyFree
3465  *  @details    Freeing allocation of the wireless device structure
3466  *  @param[in]   NONE
3467  *  @return     NONE
3468  *  @author     mdaftedar
3469  *  @date       01 MAR 2012
3470  *  @version    1.0
3471  */
3472 int wilc_deinit_host_int(struct net_device *net)
3473 {
3474         int s32Error = 0;
3475
3476         struct wilc_priv *priv;
3477
3478         priv = wdev_priv(net->ieee80211_ptr);
3479
3480         priv->gbAutoRateAdjusted = false;
3481
3482         priv->bInP2PlistenState = false;
3483
3484         op_ifcs--;
3485
3486         s32Error = host_int_deinit(priv->hWILCWFIDrv);
3487
3488         /* Clear the Shadow scan */
3489         clear_shadow_scan(priv);
3490         if (op_ifcs == 0) {
3491                 PRINT_D(CORECONFIG_DBG, "destroy during ip\n");
3492                 del_timer_sync(&hDuringIpTimer);
3493         }
3494
3495         if (s32Error)
3496                 PRINT_ER("Error while deintializing host interface\n");
3497
3498         return s32Error;
3499 }
3500
3501
3502 /**
3503  *  @brief      WILC_WFI_WiphyFree
3504  *  @details    Freeing allocation of the wireless device structure
3505  *  @param[in]   NONE
3506  *  @return     NONE
3507  *  @author     mdaftedar
3508  *  @date       01 MAR 2012
3509  *  @version    1.0
3510  */
3511 void wilc_free_wiphy(struct net_device *net)
3512 {
3513         PRINT_D(CFG80211_DBG, "Unregistering wiphy\n");
3514
3515         if (!net) {
3516                 PRINT_D(INIT_DBG, "net_device is NULL\n");
3517                 return;
3518         }
3519
3520         if (!net->ieee80211_ptr) {
3521                 PRINT_D(INIT_DBG, "ieee80211_ptr is NULL\n");
3522                 return;
3523         }
3524
3525         if (!net->ieee80211_ptr->wiphy) {
3526                 PRINT_D(INIT_DBG, "wiphy is NULL\n");
3527                 return;
3528         }
3529
3530         wiphy_unregister(net->ieee80211_ptr->wiphy);
3531
3532         PRINT_D(INIT_DBG, "Freeing wiphy\n");
3533         wiphy_free(net->ieee80211_ptr->wiphy);
3534         kfree(net->ieee80211_ptr);
3535 }