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                 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
 290                 rate_len = rate_ie->len;
 291         }
 292
 293         rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
 294                                            params->beacon.tail,
 295                                            params->beacon.tail_len);
 296         if (rate_ie)
 297                 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
 298
 299         return;
 300 }
 301
 302 /* This function initializes some of mwifiex_uap_bss_param variables.
 303  * This helps FW in ignoring invalid values. These values may or may not
 304  * be get updated to valid ones at later stage.
 305  */
 306 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
 307 {
 308         config->bcast_ssid_ctl = 0x7F;
 309         config->radio_ctl = 0x7F;
 310         config->dtim_period = 0x7F;
 311         config->beacon_period = 0x7FFF;
 312         config->auth_mode = 0x7F;
 313         config->rts_threshold = 0x7FFF;
 314         config->frag_threshold = 0x7FFF;
 315         config->retry_limit = 0x7F;
 316         config->qos_info = 0xFF;
 317 }
 318
 319 /* This function parses BSS related parameters from structure
 320  * and prepares TLVs specific to WPA/WPA2 security.
 321  * These TLVs are appended to command buffer.
 322  */
 323 static void
 324 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 325 {
 326         struct host_cmd_tlv_pwk_cipher *pwk_cipher;
 327         struct host_cmd_tlv_gwk_cipher *gwk_cipher;
 328         struct host_cmd_tlv_passphrase *passphrase;
 329         struct host_cmd_tlv_akmp *tlv_akmp;
 330         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 331         u16 cmd_size = *param_size;
 332         u8 *tlv = *tlv_buf;
 333
 334         tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
 335         tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
 336         tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
 337                                         sizeof(struct mwifiex_ie_types_header));
 338         tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
 339         tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
 340         cmd_size += sizeof(struct host_cmd_tlv_akmp);
 341         tlv += sizeof(struct host_cmd_tlv_akmp);
 342
 343         if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
 344                 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 345                 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 346                 pwk_cipher->header.len =
 347                         cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 348                                     sizeof(struct mwifiex_ie_types_header));
 349                 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
 350                 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
 351                 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 352                 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 353         }
 354
 355         if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
 356                 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 357                 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 358                 pwk_cipher->header.len =
 359                         cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 360                                     sizeof(struct mwifiex_ie_types_header));
 361                 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
 362                 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
 363                 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 364                 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 365         }
 366
 367         if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
 368                 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
 369                 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
 370                 gwk_cipher->header.len =
 371                         cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
 372                                     sizeof(struct mwifiex_ie_types_header));
 373                 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
 374                 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
 375                 tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
 376         }
 377
 378         if (bss_cfg->wpa_cfg.length) {
 379                 passphrase = (struct host_cmd_tlv_passphrase *)tlv;
 380                 passphrase->header.type =
 381                                 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
 382                 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
 383                 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
 384                        bss_cfg->wpa_cfg.length);
 385                 cmd_size += sizeof(struct mwifiex_ie_types_header) +
 386                             bss_cfg->wpa_cfg.length;
 387                 tlv += sizeof(struct mwifiex_ie_types_header) +
 388                                 bss_cfg->wpa_cfg.length;
 389         }
 390
 391         *param_size = cmd_size;
 392         *tlv_buf = tlv;
 393
 394         return;
 395 }
 396
 397 /* This function parses WMM related parameters from cfg80211_ap_settings
 398  * structure and updates bss_config structure.
 399  */
 400 void
 401 mwifiex_set_wmm_params(struct mwifiex_private *priv,
 402                        struct mwifiex_uap_bss_param *bss_cfg,
 403                        struct cfg80211_ap_settings *params)
 404 {
 405         const u8 *vendor_ie;
 406         struct ieee_types_header *wmm_ie;
 407         u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
 408
 409         vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 410                                             WLAN_OUI_TYPE_MICROSOFT_WMM,
 411                                             params->beacon.tail,
 412                                             params->beacon.tail_len);
 413         if (vendor_ie) {
 414                 wmm_ie = (struct ieee_types_header *)vendor_ie;
 415                 memcpy(&bss_cfg->wmm_info, wmm_ie + 1,
 416                        sizeof(bss_cfg->wmm_info));
 417                 priv->wmm_enabled = 1;
 418         } else {
 419                 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
 420                 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
 421                 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
 422                 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
 423                 priv->wmm_enabled = 0;
 424         }
 425
 426         bss_cfg->qos_info = 0x00;
 427         return;
 428 }
 429 /* This function parses BSS related parameters from structure
 430  * and prepares TLVs specific to WEP encryption.
 431  * These TLVs are appended to command buffer.
 432  */
 433 static void
 434 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 435 {
 436         struct host_cmd_tlv_wep_key *wep_key;
 437         u16 cmd_size = *param_size;
 438         int i;
 439         u8 *tlv = *tlv_buf;
 440         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 441
 442         for (i = 0; i < NUM_WEP_KEYS; i++) {
 443                 if (bss_cfg->wep_cfg[i].length &&
 444                     (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
 445                      bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
 446                         wep_key = (struct host_cmd_tlv_wep_key *)tlv;
 447                         wep_key->header.type =
 448                                 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
 449                         wep_key->header.len =
 450                                 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
 451                         wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
 452                         wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
 453                         memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
 454                                bss_cfg->wep_cfg[i].length);
 455                         cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
 456                                     bss_cfg->wep_cfg[i].length;
 457                         tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
 458                                     bss_cfg->wep_cfg[i].length;
 459                 }
 460         }
 461
 462         *param_size = cmd_size;
 463         *tlv_buf = tlv;
 464
 465         return;
 466 }
 467
 468 /* This function parses BSS related parameters from structure
 469  * and prepares TLVs. These TLVs are appended to command buffer.
 470 */
 471 static int
 472 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
 473 {
 474         struct host_cmd_tlv_dtim_period *dtim_period;
 475         struct host_cmd_tlv_beacon_period *beacon_period;
 476         struct host_cmd_tlv_ssid *ssid;
 477         struct host_cmd_tlv_bcast_ssid *bcast_ssid;
 478         struct host_cmd_tlv_channel_band *chan_band;
 479         struct host_cmd_tlv_frag_threshold *frag_threshold;
 480         struct host_cmd_tlv_rts_threshold *rts_threshold;
 481         struct host_cmd_tlv_retry_limit *retry_limit;
 482         struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
 483         struct host_cmd_tlv_auth_type *auth_type;
 484         struct host_cmd_tlv_rates *tlv_rates;
 485         struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
 486         struct host_cmd_tlv_power_constraint *pwr_ct;
 487         struct mwifiex_ie_types_htcap *htcap;
 488         struct mwifiex_ie_types_wmmcap *wmm_cap;
 489         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 490         int i;
 491         u16 cmd_size = *param_size;
 492
 493         if (bss_cfg->ssid.ssid_len) {
 494                 ssid = (struct host_cmd_tlv_ssid *)tlv;
 495                 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
 496                 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
 497                 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
 498                 cmd_size += sizeof(struct mwifiex_ie_types_header) +
 499                             bss_cfg->ssid.ssid_len;
 500                 tlv += sizeof(struct mwifiex_ie_types_header) +
 501                                 bss_cfg->ssid.ssid_len;
 502
 503                 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
 504                 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
 505                 bcast_ssid->header.len =
 506                                 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
 507                 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
 508                 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
 509                 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
 510         }
 511         if (bss_cfg->rates[0]) {
 512                 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
 513                 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
 514
 515                 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
 516                      i++)
 517                         tlv_rates->rates[i] = bss_cfg->rates[i];
 518
 519                 tlv_rates->header.len = cpu_to_le16(i);
 520                 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
 521                 tlv += sizeof(struct host_cmd_tlv_rates) + i;
 522         }
 523         if (bss_cfg->channel &&
 524             ((bss_cfg->band_cfg == BAND_CONFIG_BG &&
 525               bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
 526             (bss_cfg->band_cfg == BAND_CONFIG_A &&
 527              bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
 528                 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
 529                 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
 530                 chan_band->header.len =
 531                         cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
 532                                     sizeof(struct mwifiex_ie_types_header));
 533                 chan_band->band_config = bss_cfg->band_cfg;
 534                 chan_band->channel = bss_cfg->channel;
 535                 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
 536                 tlv += sizeof(struct host_cmd_tlv_channel_band);
 537         }
 538         if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
 539             bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
 540                 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
 541                 beacon_period->header.type =
 542                                         cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
 543                 beacon_period->header.len =
 544                         cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
 545                                     sizeof(struct mwifiex_ie_types_header));
 546                 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
 547                 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
 548                 tlv += sizeof(struct host_cmd_tlv_beacon_period);
 549         }
 550         if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
 551             bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
 552                 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
 553                 dtim_period->header.type =
 554                         cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
 555                 dtim_period->header.len =
 556                         cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
 557                                     sizeof(struct mwifiex_ie_types_header));
 558                 dtim_period->period = bss_cfg->dtim_period;
 559                 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
 560                 tlv += sizeof(struct host_cmd_tlv_dtim_period);
 561         }
 562         if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
 563                 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
 564                 rts_threshold->header.type =
 565                                         cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
 566                 rts_threshold->header.len =
 567                         cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
 568                                     sizeof(struct mwifiex_ie_types_header));
 569                 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
 570                 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
 571                 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
 572         }
 573         if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
 574             (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
 575                 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
 576                 frag_threshold->header.type =
 577                                 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
 578                 frag_threshold->header.len =
 579                         cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
 580                                     sizeof(struct mwifiex_ie_types_header));
 581                 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
 582                 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
 583                 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
 584         }
 585         if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
 586                 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
 587                 retry_limit->header.type =
 588                         cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
 589                 retry_limit->header.len =
 590                         cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
 591                                     sizeof(struct mwifiex_ie_types_header));
 592                 retry_limit->limit = (u8)bss_cfg->retry_limit;
 593                 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
 594                 tlv += sizeof(struct host_cmd_tlv_retry_limit);
 595         }
 596         if ((bss_cfg->protocol & PROTOCOL_WPA) ||
 597             (bss_cfg->protocol & PROTOCOL_WPA2) ||
 598             (bss_cfg->protocol & PROTOCOL_EAP))
 599                 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
 600         else
 601                 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
 602
 603         if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
 604             (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
 605                 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
 606                 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
 607                 auth_type->header.len =
 608                         cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
 609                         sizeof(struct mwifiex_ie_types_header));
 610                 auth_type->auth_type = (u8)bss_cfg->auth_mode;
 611                 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
 612                 tlv += sizeof(struct host_cmd_tlv_auth_type);
 613         }
 614         if (bss_cfg->protocol) {
 615                 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
 616                 encrypt_protocol->header.type =
 617                         cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
 618                 encrypt_protocol->header.len =
 619                         cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
 620                         - sizeof(struct mwifiex_ie_types_header));
 621                 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
 622                 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
 623                 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
 624         }
 625
 626         if (bss_cfg->ht_cap.cap_info) {
 627                 htcap = (struct mwifiex_ie_types_htcap *)tlv;
 628                 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
 629                 htcap->header.len =
 630                                 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
 631                 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
 632                 htcap->ht_cap.ampdu_params_info =
 633                                              bss_cfg->ht_cap.ampdu_params_info;
 634                 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
 635                        sizeof(struct ieee80211_mcs_info));
 636                 htcap->ht_cap.extended_ht_cap_info =
 637                                         bss_cfg->ht_cap.extended_ht_cap_info;
 638                 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
 639                 htcap->ht_cap.antenna_selection_info =
 640                                         bss_cfg->ht_cap.antenna_selection_info;
 641                 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
 642                 tlv += sizeof(struct mwifiex_ie_types_htcap);
 643         }
 644
 645         if (bss_cfg->wmm_info.qos_info != 0xFF) {
 646                 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
 647                 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
 648                 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
 649                 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
 650                        sizeof(wmm_cap->wmm_info));
 651                 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
 652                 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
 653         }
 654
 655         if (bss_cfg->sta_ao_timer) {
 656                 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
 657                 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
 658                 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
 659                                         sizeof(struct mwifiex_ie_types_header));
 660                 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
 661                 cmd_size += sizeof(*ao_timer);
 662                 tlv += sizeof(*ao_timer);
 663         }
 664
 665         if (bss_cfg->power_constraint) {
 666                 pwr_ct = (void *)tlv;
 667                 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT);
 668                 pwr_ct->header.len = cpu_to_le16(sizeof(u8));
 669                 pwr_ct->constraint = bss_cfg->power_constraint;
 670                 cmd_size += sizeof(*pwr_ct);
 671                 tlv += sizeof(*pwr_ct);
 672         }
 673
 674         if (bss_cfg->ps_sta_ao_timer) {
 675                 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
 676                 ps_ao_timer->header.type =
 677                                 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
 678                 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
 679                                 sizeof(struct mwifiex_ie_types_header));
 680                 ps_ao_timer->sta_ao_timer =
 681                                         cpu_to_le32(bss_cfg->ps_sta_ao_timer);
 682                 cmd_size += sizeof(*ps_ao_timer);
 683                 tlv += sizeof(*ps_ao_timer);
 684         }
 685
 686         *param_size = cmd_size;
 687
 688         return 0;
 689 }
 690
 691 /* This function parses custom IEs from IE list and prepares command buffer */
 692 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
 693 {
 694         struct mwifiex_ie_list *ap_ie = cmd_buf;
 695         struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
 696
 697         if (!ap_ie || !ap_ie->len || !ap_ie->ie_list)
 698                 return -1;
 699
 700         *ie_size += le16_to_cpu(ap_ie->len) +
 701                         sizeof(struct mwifiex_ie_types_header);
 702
 703         tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
 704         tlv_ie->len = ap_ie->len;
 705         tlv += sizeof(struct mwifiex_ie_types_header);
 706
 707         memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
 708
 709         return 0;
 710 }
 711
 712 /* Parse AP config structure and prepare TLV based command structure
 713  * to be sent to FW for uAP configuration
 714  */
 715 static int
 716 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
 717                            u32 type, void *cmd_buf)
 718 {
 719         u8 *tlv;
 720         u16 cmd_size, param_size, ie_size;
 721         struct host_cmd_ds_sys_config *sys_cfg;
 722
 723         cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
 724         cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
 725         sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
 726         sys_cfg->action = cpu_to_le16(cmd_action);
 727         tlv = sys_cfg->tlv;
 728
 729         switch (type) {
 730         case UAP_BSS_PARAMS_I:
 731                 param_size = cmd_size;
 732                 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
 733                         return -1;
 734                 cmd->size = cpu_to_le16(param_size);
 735                 break;
 736         case UAP_CUSTOM_IE_I:
 737                 ie_size = cmd_size;
 738                 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
 739                         return -1;
 740                 cmd->size = cpu_to_le16(ie_size);
 741                 break;
 742         default:
 743                 return -1;
 744         }
 745
 746         return 0;
 747 }
 748
 749 /* This function prepares AP specific deauth command with mac supplied in
 750  * function parameter.
 751  */
 752 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
 753                                       struct host_cmd_ds_command *cmd, u8 *mac)
 754 {
 755         struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
 756
 757         cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
 758         memcpy(sta_deauth->mac, mac, ETH_ALEN);
 759         sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
 760
 761         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
 762                                 S_DS_GEN);
 763         return 0;
 764 }
 765
 766 /* This function prepares the AP specific commands before sending them
 767  * to the firmware.
 768  * This is a generic function which calls specific command preparation
 769  * routines based upon the command number.
 770  */
 771 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
 772                             u16 cmd_action, u32 type,
 773                             void *data_buf, void *cmd_buf)
 774 {
 775         struct host_cmd_ds_command *cmd = cmd_buf;
 776
 777         switch (cmd_no) {
 778         case HostCmd_CMD_UAP_SYS_CONFIG:
 779                 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
 780                         return -1;
 781                 break;
 782         case HostCmd_CMD_UAP_BSS_START:
 783         case HostCmd_CMD_UAP_BSS_STOP:
 784         case HOST_CMD_APCMD_SYS_RESET:
 785         case HOST_CMD_APCMD_STA_LIST:
 786                 cmd->command = cpu_to_le16(cmd_no);
 787                 cmd->size = cpu_to_le16(S_DS_GEN);
 788                 break;
 789         case HostCmd_CMD_UAP_STA_DEAUTH:
 790                 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
 791                         return -1;
 792                 break;
 793         case HostCmd_CMD_CHAN_REPORT_REQUEST:
 794                 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
 795                                                           data_buf))
 796                         return -1;
 797                 break;
 798         default:
 799                 mwifiex_dbg(priv->adapter, ERROR,
 800                             "PREP_CMD: unknown cmd %#x\n", cmd_no);
 801                 return -1;
 802         }
 803
 804         return 0;
 805 }
 806
 807 void mwifiex_uap_set_channel(struct mwifiex_private *priv,
 808                              struct mwifiex_uap_bss_param *bss_cfg,
 809                              struct cfg80211_chan_def chandef)
 810 {
 811         u8 config_bands = 0, old_bands = priv->adapter->config_bands;
 812
 813         priv->bss_chandef = chandef;
 814
 815         bss_cfg->channel = ieee80211_frequency_to_channel(
 816                                                      chandef.chan->center_freq);
 817
 818         /* Set appropriate bands */
 819         if (chandef.chan->band == IEEE80211_BAND_2GHZ) {
 820                 bss_cfg->band_cfg = BAND_CONFIG_BG;
 821                 config_bands = BAND_B | BAND_G;
 822
 823                 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
 824                         config_bands |= BAND_GN;
 825         } else {
 826                 bss_cfg->band_cfg = BAND_CONFIG_A;
 827                 config_bands = BAND_A;
 828
 829                 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
 830                         config_bands |= BAND_AN;
 831
 832                 if (chandef.width > NL80211_CHAN_WIDTH_40)
 833                         config_bands |= BAND_AAC;
 834         }
 835
 836         priv->adapter->config_bands = config_bands;
 837
 838         if (old_bands != config_bands) {
 839                 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
 840                 mwifiex_dnld_txpwr_table(priv);
 841         }
 842 }
 843
 844 int mwifiex_config_start_uap(struct mwifiex_private *priv,
 845                              struct mwifiex_uap_bss_param *bss_cfg)
 846 {
 847         enum state_11d_t state_11d;
 848
 849         if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
 850                              HostCmd_ACT_GEN_SET,
 851                              UAP_BSS_PARAMS_I, bss_cfg, false)) {
 852                 mwifiex_dbg(priv->adapter, ERROR,
 853                             "Failed to set the SSID\n");
 854                 return -1;
 855         }
 856
 857         /* Send cmd to FW to enable 11D function */
 858         state_11d = ENABLE_11D;
 859         if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
 860                              HostCmd_ACT_GEN_SET, DOT11D_I,
 861                              &state_11d, true)) {
 862                 mwifiex_dbg(priv->adapter, ERROR,
 863                             "11D: failed to enable 11D\n");
 864                 return -1;
 865         }
 866
 867         if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
 868                              HostCmd_ACT_GEN_SET, 0, NULL, false)) {
 869                 mwifiex_dbg(priv->adapter, ERROR,
 870                             "Failed to start the BSS\n");
 871                 return -1;
 872         }
 873
 874         if (priv->sec_info.wep_enabled)
 875                 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
 876         else
 877                 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
 878
 879         if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
 880                              HostCmd_ACT_GEN_SET, 0,
 881                              &priv->curr_pkt_filter, true))
 882                 return -1;
 883
 884         return 0;
 885 }