drivers/net/wireless/mwifiex/uap_cmd.c

   1 /*
   2  * Marvell Wireless LAN device driver: AP specific command handling
   3  *
   4  * Copyright (C) 2012-2014, Marvell International Ltd.
   5  *
   6  * This software file (the "File") is distributed by Marvell International
   7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8  * (the "License").  You may use, redistribute and/or modify this File in
   9  * accordance with the terms and conditions of the License, a copy of which
  10  * is available by writing to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13  *
  14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17  * this warranty disclaimer.
  18  */
  19
  20 #include "main.h"
  21 #include "11ac.h"
  22
  23 /* This function parses security related parameters from cfg80211_ap_settings
  24  * and sets into FW understandable bss_config structure.
  25  */
  26 int mwifiex_set_secure_params(struct mwifiex_private *priv,
  27                               struct mwifiex_uap_bss_param *bss_config,
  28                               struct cfg80211_ap_settings *params) {
  29         int i;
  30         struct mwifiex_wep_key wep_key;
  31
  32         if (!params->privacy) {
  33                 bss_config->protocol = PROTOCOL_NO_SECURITY;
  34                 bss_config->key_mgmt = KEY_MGMT_NONE;
  35                 bss_config->wpa_cfg.length = 0;
  36                 priv->sec_info.wep_enabled = 0;
  37                 priv->sec_info.wpa_enabled = 0;
  38                 priv->sec_info.wpa2_enabled = 0;
  39
  40                 return 0;
  41         }
  42
  43         switch (params->auth_type) {
  44         case NL80211_AUTHTYPE_OPEN_SYSTEM:
  45                 bss_config->auth_mode = WLAN_AUTH_OPEN;
  46                 break;
  47         case NL80211_AUTHTYPE_SHARED_KEY:
  48                 bss_config->auth_mode = WLAN_AUTH_SHARED_KEY;
  49                 break;
  50         case NL80211_AUTHTYPE_NETWORK_EAP:
  51                 bss_config->auth_mode = WLAN_AUTH_LEAP;
  52                 break;
  53         default:
  54                 bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO;
  55                 break;
  56         }
  57
  58         bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST;
  59
  60         for (i = 0; i < params->crypto.n_akm_suites; i++) {
  61                 switch (params->crypto.akm_suites[i]) {
  62                 case WLAN_AKM_SUITE_8021X:
  63                         if (params->crypto.wpa_versions &
  64                             NL80211_WPA_VERSION_1) {
  65                                 bss_config->protocol = PROTOCOL_WPA;
  66                                 bss_config->key_mgmt = KEY_MGMT_EAP;
  67                         }
  68                         if (params->crypto.wpa_versions &
  69                             NL80211_WPA_VERSION_2) {
  70                                 bss_config->protocol |= PROTOCOL_WPA2;
  71                                 bss_config->key_mgmt = KEY_MGMT_EAP;
  72                         }
  73                         break;
  74                 case WLAN_AKM_SUITE_PSK:
  75                         if (params->crypto.wpa_versions &
  76                             NL80211_WPA_VERSION_1) {
  77                                 bss_config->protocol = PROTOCOL_WPA;
  78                                 bss_config->key_mgmt = KEY_MGMT_PSK;
  79                         }
  80                         if (params->crypto.wpa_versions &
  81                             NL80211_WPA_VERSION_2) {
  82                                 bss_config->protocol |= PROTOCOL_WPA2;
  83                                 bss_config->key_mgmt = KEY_MGMT_PSK;
  84                         }
  85                         break;
  86                 default:
  87                         break;
  88                 }
  89         }
  90         for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) {
  91                 switch (params->crypto.ciphers_pairwise[i]) {
  92                 case WLAN_CIPHER_SUITE_WEP40:
  93                 case WLAN_CIPHER_SUITE_WEP104:
  94                         break;
  95                 case WLAN_CIPHER_SUITE_TKIP:
  96                         if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
  97                                 bss_config->wpa_cfg.pairwise_cipher_wpa |=
  98                                                                 CIPHER_TKIP;
  99                         if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
 100                                 bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
 101                                                                 CIPHER_TKIP;
 102                         break;
 103                 case WLAN_CIPHER_SUITE_CCMP:
 104                         if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
 105                                 bss_config->wpa_cfg.pairwise_cipher_wpa |=
 106                                                                 CIPHER_AES_CCMP;
 107                         if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
 108                                 bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
 109                                                                 CIPHER_AES_CCMP;
 110                 default:
 111                         break;
 112                 }
 113         }
 114
 115         switch (params->crypto.cipher_group) {
 116         case WLAN_CIPHER_SUITE_WEP40:
 117         case WLAN_CIPHER_SUITE_WEP104:
 118                 if (priv->sec_info.wep_enabled) {
 119                         bss_config->protocol = PROTOCOL_STATIC_WEP;
 120                         bss_config->key_mgmt = KEY_MGMT_NONE;
 121                         bss_config->wpa_cfg.length = 0;
 122
 123                         for (i = 0; i < NUM_WEP_KEYS; i++) {
 124                                 wep_key = priv->wep_key[i];
 125                                 bss_config->wep_cfg[i].key_index = i;
 126
 127                                 if (priv->wep_key_curr_index == i)
 128                                         bss_config->wep_cfg[i].is_default = 1;
 129                                 else
 130                                         bss_config->wep_cfg[i].is_default = 0;
 131
 132                                 bss_config->wep_cfg[i].length =
 133                                                              wep_key.key_length;
 134                                 memcpy(&bss_config->wep_cfg[i].key,
 135                                        &wep_key.key_material,
 136                                        wep_key.key_length);
 137                         }
 138                 }
 139                 break;
 140         case WLAN_CIPHER_SUITE_TKIP:
 141                 bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
 142                 break;
 143         case WLAN_CIPHER_SUITE_CCMP:
 144                 bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP;
 145                 break;
 146         default:
 147                 break;
 148         }
 149
 150         return 0;
 151 }
 152
 153 /* This function updates 11n related parameters from IE and sets them into
 154  * bss_config structure.
 155  */
 156 void
 157 mwifiex_set_ht_params(struct mwifiex_private *priv,
 158                       struct mwifiex_uap_bss_param *bss_cfg,
 159                       struct cfg80211_ap_settings *params)
 160 {
 161         const u8 *ht_ie;
 162         u16 cap_info;
 163
 164         if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
 165                 return;
 166
 167         ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
 168                                  params->beacon.tail_len);
 169         if (ht_ie) {
 170                 memcpy(&bss_cfg->ht_cap, ht_ie + 2,
 171                        sizeof(struct ieee80211_ht_cap));
 172                 cap_info = le16_to_cpu(bss_cfg->ht_cap.cap_info);
 173                 memset(&bss_cfg->ht_cap.mcs, 0,
 174                        priv->adapter->number_of_antenna);
 175                 switch (GET_RXSTBC(cap_info)) {
 176                 case MWIFIEX_RX_STBC1:
 177                         /* HT_CAP 1X1 mode */
 178                         bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
 179                         break;
 180                 case MWIFIEX_RX_STBC12: /* fall through */
 181                 case MWIFIEX_RX_STBC123:
 182                         /* HT_CAP 2X2 mode */
 183                         bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
 184                         bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff;
 185                         break;
 186                 default:
 187                         mwifiex_dbg(priv->adapter, WARN,
 188                                     "Unsupported RX-STBC, default to 2x2\n");
 189                         bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
 190                         bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff;
 191                         break;
 192                 }
 193                 priv->ap_11n_enabled = 1;
 194         } else {
 195                 memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap));
 196                 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
 197                 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
 198         }
 199
 200         return;
 201 }
 202
 203 /* This function updates 11ac related parameters from IE
 204  * and sets them into bss_config structure.
 205  */
 206 void mwifiex_set_vht_params(struct mwifiex_private *priv,
 207                             struct mwifiex_uap_bss_param *bss_cfg,
 208                             struct cfg80211_ap_settings *params)
 209 {
 210         const u8 *vht_ie;
 211
 212         vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
 213                                   params->beacon.tail_len);
 214         if (vht_ie) {
 215                 memcpy(&bss_cfg->vht_cap, vht_ie + 2,
 216                        sizeof(struct ieee80211_vht_cap));
 217                 priv->ap_11ac_enabled = 1;
 218         } else {
 219                 priv->ap_11ac_enabled = 0;
 220         }
 221
 222         return;
 223 }
 224
 225 /* This function updates 11ac related parameters from IE
 226  * and sets them into bss_config structure.
 227  */
 228 void mwifiex_set_tpc_params(struct mwifiex_private *priv,
 229                             struct mwifiex_uap_bss_param *bss_cfg,
 230                             struct cfg80211_ap_settings *params)
 231 {
 232         const u8 *tpc_ie;
 233
 234         tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail,
 235                                   params->beacon.tail_len);
 236         if (tpc_ie)
 237                 bss_cfg->power_constraint = *(tpc_ie + 2);
 238         else
 239                 bss_cfg->power_constraint = 0;
 240 }
 241
 242 /* Enable VHT only when cfg80211_ap_settings has VHT IE.
 243  * Otherwise disable VHT.
 244  */
 245 void mwifiex_set_vht_width(struct mwifiex_private *priv,
 246                            enum nl80211_chan_width width,
 247                            bool ap_11ac_enable)
 248 {
 249         struct mwifiex_adapter *adapter = priv->adapter;
 250         struct mwifiex_11ac_vht_cfg vht_cfg;
 251
 252         vht_cfg.band_config = VHT_CFG_5GHZ;
 253         vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
 254
 255         if (!ap_11ac_enable) {
 256                 vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
 257                 vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
 258         } else {
 259                 vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
 260                 vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
 261         }
 262
 263         vht_cfg.misc_config  = VHT_CAP_UAP_ONLY;
 264
 265         if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
 266                 vht_cfg.misc_config |= VHT_BW_80_160_80P80;
 267
 268         mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG,
 269                          HostCmd_ACT_GEN_SET, 0, &vht_cfg, true);
 270
 271         return;
 272 }
 273
 274 /* This function finds supported rates IE from beacon parameter and sets
 275  * these rates into bss_config structure.
 276  */
 277 void
 278 mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
 279                       struct cfg80211_ap_settings *params)
 280 {
 281         struct ieee_types_header *rate_ie;
 282         int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
 283         const u8 *var_pos = params->beacon.head + var_offset;
 284         int len = params->beacon.head_len - var_offset;
 285         u8 rate_len = 0;
 286
 287         rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
 288         if (rate_ie) {
 289                 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES)
 290                         return;
 291                 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
 292                 rate_len = rate_ie->len;
 293         }
 294
 295         rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
 296                                            params->beacon.tail,
 297                                            params->beacon.tail_len);
 298         if (rate_ie) {
 299                 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES - rate_len)
 300                         return;
 301                 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
 302         }
 303
 304         return;
 305 }
 306
 307 /* This function initializes some of mwifiex_uap_bss_param variables.
 308  * This helps FW in ignoring invalid values. These values may or may not
 309  * be get updated to valid ones at later stage.
 310  */
 311 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
 312 {
 313         config->bcast_ssid_ctl = 0x7F;
 314         config->radio_ctl = 0x7F;
 315         config->dtim_period = 0x7F;
 316         config->beacon_period = 0x7FFF;
 317         config->auth_mode = 0x7F;
 318         config->rts_threshold = 0x7FFF;
 319         config->frag_threshold = 0x7FFF;
 320         config->retry_limit = 0x7F;
 321         config->qos_info = 0xFF;
 322 }
 323
 324 /* This function parses BSS related parameters from structure
 325  * and prepares TLVs specific to WPA/WPA2 security.
 326  * These TLVs are appended to command buffer.
 327  */
 328 static void
 329 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 330 {
 331         struct host_cmd_tlv_pwk_cipher *pwk_cipher;
 332         struct host_cmd_tlv_gwk_cipher *gwk_cipher;
 333         struct host_cmd_tlv_passphrase *passphrase;
 334         struct host_cmd_tlv_akmp *tlv_akmp;
 335         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 336         u16 cmd_size = *param_size;
 337         u8 *tlv = *tlv_buf;
 338
 339         tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
 340         tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
 341         tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
 342                                         sizeof(struct mwifiex_ie_types_header));
 343         tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
 344         tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
 345         cmd_size += sizeof(struct host_cmd_tlv_akmp);
 346         tlv += sizeof(struct host_cmd_tlv_akmp);
 347
 348         if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
 349                 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 350                 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 351                 pwk_cipher->header.len =
 352                         cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 353                                     sizeof(struct mwifiex_ie_types_header));
 354                 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
 355                 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
 356                 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 357                 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 358         }
 359
 360         if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
 361                 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 362                 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 363                 pwk_cipher->header.len =
 364                         cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 365                                     sizeof(struct mwifiex_ie_types_header));
 366                 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
 367                 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
 368                 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 369                 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 370         }
 371
 372         if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
 373                 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
 374                 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
 375                 gwk_cipher->header.len =
 376                         cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
 377                                     sizeof(struct mwifiex_ie_types_header));
 378                 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
 379                 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
 380                 tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
 381         }
 382
 383         if (bss_cfg->wpa_cfg.length) {
 384                 passphrase = (struct host_cmd_tlv_passphrase *)tlv;
 385                 passphrase->header.type =
 386                                 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
 387                 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
 388                 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
 389                        bss_cfg->wpa_cfg.length);
 390                 cmd_size += sizeof(struct mwifiex_ie_types_header) +
 391                             bss_cfg->wpa_cfg.length;
 392                 tlv += sizeof(struct mwifiex_ie_types_header) +
 393                                 bss_cfg->wpa_cfg.length;
 394         }
 395
 396         *param_size = cmd_size;
 397         *tlv_buf = tlv;
 398
 399         return;
 400 }
 401
 402 /* This function parses WMM related parameters from cfg80211_ap_settings
 403  * structure and updates bss_config structure.
 404  */
 405 void
 406 mwifiex_set_wmm_params(struct mwifiex_private *priv,
 407                        struct mwifiex_uap_bss_param *bss_cfg,
 408                        struct cfg80211_ap_settings *params)
 409 {
 410         const u8 *vendor_ie;
 411         struct ieee_types_header *wmm_ie;
 412         u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
 413
 414         vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 415                                             WLAN_OUI_TYPE_MICROSOFT_WMM,
 416                                             params->beacon.tail,
 417                                             params->beacon.tail_len);
 418         if (vendor_ie) {
 419                 wmm_ie = (struct ieee_types_header *)vendor_ie;
 420                 if (*(vendor_ie + 1) > sizeof(struct mwifiex_types_wmm_info))
 421                         return;
 422                 memcpy(&bss_cfg->wmm_info, wmm_ie + 1,
 423                        sizeof(bss_cfg->wmm_info));
 424                 priv->wmm_enabled = 1;
 425         } else {
 426                 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
 427                 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
 428                 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
 429                 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
 430                 priv->wmm_enabled = 0;
 431         }
 432
 433         bss_cfg->qos_info = 0x00;
 434         return;
 435 }
 436 /* This function parses BSS related parameters from structure
 437  * and prepares TLVs specific to WEP encryption.
 438  * These TLVs are appended to command buffer.
 439  */
 440 static void
 441 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 442 {
 443         struct host_cmd_tlv_wep_key *wep_key;
 444         u16 cmd_size = *param_size;
 445         int i;
 446         u8 *tlv = *tlv_buf;
 447         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 448
 449         for (i = 0; i < NUM_WEP_KEYS; i++) {
 450                 if (bss_cfg->wep_cfg[i].length &&
 451                     (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
 452                      bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
 453                         wep_key = (struct host_cmd_tlv_wep_key *)tlv;
 454                         wep_key->header.type =
 455                                 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
 456                         wep_key->header.len =
 457                                 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
 458                         wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
 459                         wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
 460                         memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
 461                                bss_cfg->wep_cfg[i].length);
 462                         cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
 463                                     bss_cfg->wep_cfg[i].length;
 464                         tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
 465                                     bss_cfg->wep_cfg[i].length;
 466                 }
 467         }
 468
 469         *param_size = cmd_size;
 470         *tlv_buf = tlv;
 471
 472         return;
 473 }
 474
 475 /* This function parses BSS related parameters from structure
 476  * and prepares TLVs. These TLVs are appended to command buffer.
 477 */
 478 static int
 479 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
 480 {
 481         struct host_cmd_tlv_dtim_period *dtim_period;
 482         struct host_cmd_tlv_beacon_period *beacon_period;
 483         struct host_cmd_tlv_ssid *ssid;
 484         struct host_cmd_tlv_bcast_ssid *bcast_ssid;
 485         struct host_cmd_tlv_channel_band *chan_band;
 486         struct host_cmd_tlv_frag_threshold *frag_threshold;
 487         struct host_cmd_tlv_rts_threshold *rts_threshold;
 488         struct host_cmd_tlv_retry_limit *retry_limit;
 489         struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
 490         struct host_cmd_tlv_auth_type *auth_type;
 491         struct host_cmd_tlv_rates *tlv_rates;
 492         struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
 493         struct host_cmd_tlv_power_constraint *pwr_ct;
 494         struct mwifiex_ie_types_htcap *htcap;
 495         struct mwifiex_ie_types_wmmcap *wmm_cap;
 496         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 497         int i;
 498         u16 cmd_size = *param_size;
 499
 500         if (bss_cfg->ssid.ssid_len) {
 501                 ssid = (struct host_cmd_tlv_ssid *)tlv;
 502                 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
 503                 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
 504                 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
 505                 cmd_size += sizeof(struct mwifiex_ie_types_header) +
 506                             bss_cfg->ssid.ssid_len;
 507                 tlv += sizeof(struct mwifiex_ie_types_header) +
 508                                 bss_cfg->ssid.ssid_len;
 509
 510                 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
 511                 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
 512                 bcast_ssid->header.len =
 513                                 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
 514                 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
 515                 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
 516                 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
 517         }
 518         if (bss_cfg->rates[0]) {
 519                 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
 520                 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
 521
 522                 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
 523                      i++)
 524                         tlv_rates->rates[i] = bss_cfg->rates[i];
 525
 526                 tlv_rates->header.len = cpu_to_le16(i);
 527                 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
 528                 tlv += sizeof(struct host_cmd_tlv_rates) + i;
 529         }
 530         if (bss_cfg->channel &&
 531             ((bss_cfg->band_cfg == BAND_CONFIG_BG &&
 532               bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
 533             (bss_cfg->band_cfg == BAND_CONFIG_A &&
 534              bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
 535                 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
 536                 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
 537                 chan_band->header.len =
 538                         cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
 539                                     sizeof(struct mwifiex_ie_types_header));
 540                 chan_band->band_config = bss_cfg->band_cfg;
 541                 chan_band->channel = bss_cfg->channel;
 542                 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
 543                 tlv += sizeof(struct host_cmd_tlv_channel_band);
 544         }
 545         if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
 546             bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
 547                 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
 548                 beacon_period->header.type =
 549                                         cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
 550                 beacon_period->header.len =
 551                         cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
 552                                     sizeof(struct mwifiex_ie_types_header));
 553                 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
 554                 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
 555                 tlv += sizeof(struct host_cmd_tlv_beacon_period);
 556         }
 557         if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
 558             bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
 559                 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
 560                 dtim_period->header.type =
 561                         cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
 562                 dtim_period->header.len =
 563                         cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
 564                                     sizeof(struct mwifiex_ie_types_header));
 565                 dtim_period->period = bss_cfg->dtim_period;
 566                 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
 567                 tlv += sizeof(struct host_cmd_tlv_dtim_period);
 568         }
 569         if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
 570                 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
 571                 rts_threshold->header.type =
 572                                         cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
 573                 rts_threshold->header.len =
 574                         cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
 575                                     sizeof(struct mwifiex_ie_types_header));
 576                 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
 577                 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
 578                 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
 579         }
 580         if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
 581             (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
 582                 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
 583                 frag_threshold->header.type =
 584                                 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
 585                 frag_threshold->header.len =
 586                         cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
 587                                     sizeof(struct mwifiex_ie_types_header));
 588                 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
 589                 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
 590                 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
 591         }
 592         if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
 593                 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
 594                 retry_limit->header.type =
 595                         cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
 596                 retry_limit->header.len =
 597                         cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
 598                                     sizeof(struct mwifiex_ie_types_header));
 599                 retry_limit->limit = (u8)bss_cfg->retry_limit;
 600                 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
 601                 tlv += sizeof(struct host_cmd_tlv_retry_limit);
 602         }
 603         if ((bss_cfg->protocol & PROTOCOL_WPA) ||
 604             (bss_cfg->protocol & PROTOCOL_WPA2) ||
 605             (bss_cfg->protocol & PROTOCOL_EAP))
 606                 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
 607         else
 608                 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
 609
 610         if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
 611             (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
 612                 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
 613                 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
 614                 auth_type->header.len =
 615                         cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
 616                         sizeof(struct mwifiex_ie_types_header));
 617                 auth_type->auth_type = (u8)bss_cfg->auth_mode;
 618                 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
 619                 tlv += sizeof(struct host_cmd_tlv_auth_type);
 620         }
 621         if (bss_cfg->protocol) {
 622                 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
 623                 encrypt_protocol->header.type =
 624                         cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
 625                 encrypt_protocol->header.len =
 626                         cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
 627                         - sizeof(struct mwifiex_ie_types_header));
 628                 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
 629                 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
 630                 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
 631         }
 632
 633         if (bss_cfg->ht_cap.cap_info) {
 634                 htcap = (struct mwifiex_ie_types_htcap *)tlv;
 635                 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
 636                 htcap->header.len =
 637                                 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
 638                 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
 639                 htcap->ht_cap.ampdu_params_info =
 640                                              bss_cfg->ht_cap.ampdu_params_info;
 641                 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
 642                        sizeof(struct ieee80211_mcs_info));
 643                 htcap->ht_cap.extended_ht_cap_info =
 644                                         bss_cfg->ht_cap.extended_ht_cap_info;
 645                 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
 646                 htcap->ht_cap.antenna_selection_info =
 647                                         bss_cfg->ht_cap.antenna_selection_info;
 648                 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
 649                 tlv += sizeof(struct mwifiex_ie_types_htcap);
 650         }
 651
 652         if (bss_cfg->wmm_info.qos_info != 0xFF) {
 653                 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
 654                 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
 655                 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
 656                 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
 657                        sizeof(wmm_cap->wmm_info));
 658                 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
 659                 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
 660         }
 661
 662         if (bss_cfg->sta_ao_timer) {
 663                 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
 664                 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
 665                 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
 666                                         sizeof(struct mwifiex_ie_types_header));
 667                 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
 668                 cmd_size += sizeof(*ao_timer);
 669                 tlv += sizeof(*ao_timer);
 670         }
 671
 672         if (bss_cfg->power_constraint) {
 673                 pwr_ct = (void *)tlv;
 674                 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT);
 675                 pwr_ct->header.len = cpu_to_le16(sizeof(u8));
 676                 pwr_ct->constraint = bss_cfg->power_constraint;
 677                 cmd_size += sizeof(*pwr_ct);
 678                 tlv += sizeof(*pwr_ct);
 679         }
 680
 681         if (bss_cfg->ps_sta_ao_timer) {
 682                 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
 683                 ps_ao_timer->header.type =
 684                                 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
 685                 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
 686                                 sizeof(struct mwifiex_ie_types_header));
 687                 ps_ao_timer->sta_ao_timer =
 688                                         cpu_to_le32(bss_cfg->ps_sta_ao_timer);
 689                 cmd_size += sizeof(*ps_ao_timer);
 690                 tlv += sizeof(*ps_ao_timer);
 691         }
 692
 693         *param_size = cmd_size;
 694
 695         return 0;
 696 }
 697
 698 /* This function parses custom IEs from IE list and prepares command buffer */
 699 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
 700 {
 701         struct mwifiex_ie_list *ap_ie = cmd_buf;
 702         struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
 703
 704         if (!ap_ie || !ap_ie->len || !ap_ie->ie_list)
 705                 return -1;
 706
 707         *ie_size += le16_to_cpu(ap_ie->len) +
 708                         sizeof(struct mwifiex_ie_types_header);
 709
 710         tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
 711         tlv_ie->len = ap_ie->len;
 712         tlv += sizeof(struct mwifiex_ie_types_header);
 713
 714         memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
 715
 716         return 0;
 717 }
 718
 719 /* Parse AP config structure and prepare TLV based command structure
 720  * to be sent to FW for uAP configuration
 721  */
 722 static int
 723 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
 724                            u32 type, void *cmd_buf)
 725 {
 726         u8 *tlv;
 727         u16 cmd_size, param_size, ie_size;
 728         struct host_cmd_ds_sys_config *sys_cfg;
 729
 730         cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
 731         cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
 732         sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
 733         sys_cfg->action = cpu_to_le16(cmd_action);
 734         tlv = sys_cfg->tlv;
 735
 736         switch (type) {
 737         case UAP_BSS_PARAMS_I:
 738                 param_size = cmd_size;
 739                 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
 740                         return -1;
 741                 cmd->size = cpu_to_le16(param_size);
 742                 break;
 743         case UAP_CUSTOM_IE_I:
 744                 ie_size = cmd_size;
 745                 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
 746                         return -1;
 747                 cmd->size = cpu_to_le16(ie_size);
 748                 break;
 749         default:
 750                 return -1;
 751         }
 752
 753         return 0;
 754 }
 755
 756 /* This function prepares AP specific deauth command with mac supplied in
 757  * function parameter.
 758  */
 759 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
 760                                       struct host_cmd_ds_command *cmd, u8 *mac)
 761 {
 762         struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
 763
 764         cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
 765         memcpy(sta_deauth->mac, mac, ETH_ALEN);
 766         sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
 767
 768         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
 769                                 S_DS_GEN);
 770         return 0;
 771 }
 772
 773 /* This function prepares the AP specific commands before sending them
 774  * to the firmware.
 775  * This is a generic function which calls specific command preparation
 776  * routines based upon the command number.
 777  */
 778 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
 779                             u16 cmd_action, u32 type,
 780                             void *data_buf, void *cmd_buf)
 781 {
 782         struct host_cmd_ds_command *cmd = cmd_buf;
 783
 784         switch (cmd_no) {
 785         case HostCmd_CMD_UAP_SYS_CONFIG:
 786                 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
 787                         return -1;
 788                 break;
 789         case HostCmd_CMD_UAP_BSS_START:
 790         case HostCmd_CMD_UAP_BSS_STOP:
 791         case HOST_CMD_APCMD_SYS_RESET:
 792         case HOST_CMD_APCMD_STA_LIST:
 793                 cmd->command = cpu_to_le16(cmd_no);
 794                 cmd->size = cpu_to_le16(S_DS_GEN);
 795                 break;
 796         case HostCmd_CMD_UAP_STA_DEAUTH:
 797                 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
 798                         return -1;
 799                 break;
 800         case HostCmd_CMD_CHAN_REPORT_REQUEST:
 801                 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
 802                                                           data_buf))
 803                         return -1;
 804                 break;
 805         default:
 806                 mwifiex_dbg(priv->adapter, ERROR,
 807                             "PREP_CMD: unknown cmd %#x\n", cmd_no);
 808                 return -1;
 809         }
 810
 811         return 0;
 812 }
 813
 814 void mwifiex_uap_set_channel(struct mwifiex_private *priv,
 815                              struct mwifiex_uap_bss_param *bss_cfg,
 816                              struct cfg80211_chan_def chandef)
 817 {
 818         u8 config_bands = 0, old_bands = priv->adapter->config_bands;
 819
 820         priv->bss_chandef = chandef;
 821
 822         bss_cfg->channel = ieee80211_frequency_to_channel(
 823                                                      chandef.chan->center_freq);
 824
 825         /* Set appropriate bands */
 826         if (chandef.chan->band == NL80211_BAND_2GHZ) {
 827                 bss_cfg->band_cfg = BAND_CONFIG_BG;
 828                 config_bands = BAND_B | BAND_G;
 829
 830                 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
 831                         config_bands |= BAND_GN;
 832         } else {
 833                 bss_cfg->band_cfg = BAND_CONFIG_A;
 834                 config_bands = BAND_A;
 835
 836                 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
 837                         config_bands |= BAND_AN;
 838
 839                 if (chandef.width > NL80211_CHAN_WIDTH_40)
 840                         config_bands |= BAND_AAC;
 841         }
 842
 843         priv->adapter->config_bands = config_bands;
 844
 845         if (old_bands != config_bands) {
 846                 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
 847                 mwifiex_dnld_txpwr_table(priv);
 848         }
 849 }
 850
 851 int mwifiex_config_start_uap(struct mwifiex_private *priv,
 852                              struct mwifiex_uap_bss_param *bss_cfg)
 853 {
 854         enum state_11d_t state_11d;
 855
 856         if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
 857                              HostCmd_ACT_GEN_SET,
 858                              UAP_BSS_PARAMS_I, bss_cfg, false)) {
 859                 mwifiex_dbg(priv->adapter, ERROR,
 860                             "Failed to set the SSID\n");
 861                 return -1;
 862         }
 863
 864         /* Send cmd to FW to enable 11D function */
 865         state_11d = ENABLE_11D;
 866         if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
 867                              HostCmd_ACT_GEN_SET, DOT11D_I,
 868                              &state_11d, true)) {
 869                 mwifiex_dbg(priv->adapter, ERROR,
 870                             "11D: failed to enable 11D\n");
 871                 return -1;
 872         }
 873
 874         if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
 875                              HostCmd_ACT_GEN_SET, 0, NULL, false)) {
 876                 mwifiex_dbg(priv->adapter, ERROR,
 877                             "Failed to start the BSS\n");
 878                 return -1;
 879         }
 880
 881         if (priv->sec_info.wep_enabled)
 882                 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
 883         else
 884                 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
 885
 886         if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
 887                              HostCmd_ACT_GEN_SET, 0,
 888                              &priv->curr_pkt_filter, true))
 889                 return -1;
 890
 891         return 0;
 892 }