drivers/net/wireless/marvell/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 #include "11n.h"
  23
  24 /* This function parses security related parameters from cfg80211_ap_settings
  25  * and sets into FW understandable bss_config structure.
  26  */
  27 int mwifiex_set_secure_params(struct mwifiex_private *priv,
  28                               struct mwifiex_uap_bss_param *bss_config,
  29                               struct cfg80211_ap_settings *params) {
  30         int i;
  31         struct mwifiex_wep_key wep_key;
  32
  33         if (!params->privacy) {
  34                 bss_config->protocol = PROTOCOL_NO_SECURITY;
  35                 bss_config->key_mgmt = KEY_MGMT_NONE;
  36                 bss_config->wpa_cfg.length = 0;
  37                 priv->sec_info.wep_enabled = 0;
  38                 priv->sec_info.wpa_enabled = 0;
  39                 priv->sec_info.wpa2_enabled = 0;
  40
  41                 return 0;
  42         }
  43
  44         switch (params->auth_type) {
  45         case NL80211_AUTHTYPE_OPEN_SYSTEM:
  46                 bss_config->auth_mode = WLAN_AUTH_OPEN;
  47                 break;
  48         case NL80211_AUTHTYPE_SHARED_KEY:
  49                 bss_config->auth_mode = WLAN_AUTH_SHARED_KEY;
  50                 break;
  51         case NL80211_AUTHTYPE_NETWORK_EAP:
  52                 bss_config->auth_mode = WLAN_AUTH_LEAP;
  53                 break;
  54         default:
  55                 bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO;
  56                 break;
  57         }
  58
  59         bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST;
  60
  61         for (i = 0; i < params->crypto.n_akm_suites; i++) {
  62                 switch (params->crypto.akm_suites[i]) {
  63                 case WLAN_AKM_SUITE_8021X:
  64                         if (params->crypto.wpa_versions &
  65                             NL80211_WPA_VERSION_1) {
  66                                 bss_config->protocol = PROTOCOL_WPA;
  67                                 bss_config->key_mgmt = KEY_MGMT_EAP;
  68                         }
  69                         if (params->crypto.wpa_versions &
  70                             NL80211_WPA_VERSION_2) {
  71                                 bss_config->protocol |= PROTOCOL_WPA2;
  72                                 bss_config->key_mgmt = KEY_MGMT_EAP;
  73                         }
  74                         break;
  75                 case WLAN_AKM_SUITE_PSK:
  76                         if (params->crypto.wpa_versions &
  77                             NL80211_WPA_VERSION_1) {
  78                                 bss_config->protocol = PROTOCOL_WPA;
  79                                 bss_config->key_mgmt = KEY_MGMT_PSK;
  80                         }
  81                         if (params->crypto.wpa_versions &
  82                             NL80211_WPA_VERSION_2) {
  83                                 bss_config->protocol |= PROTOCOL_WPA2;
  84                                 bss_config->key_mgmt = KEY_MGMT_PSK;
  85                         }
  86                         break;
  87                 default:
  88                         break;
  89                 }
  90         }
  91         for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) {
  92                 switch (params->crypto.ciphers_pairwise[i]) {
  93                 case WLAN_CIPHER_SUITE_WEP40:
  94                 case WLAN_CIPHER_SUITE_WEP104:
  95                         break;
  96                 case WLAN_CIPHER_SUITE_TKIP:
  97                         if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
  98                                 bss_config->wpa_cfg.pairwise_cipher_wpa |=
  99                                                                 CIPHER_TKIP;
 100                         if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
 101                                 bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
 102                                                                 CIPHER_TKIP;
 103                         break;
 104                 case WLAN_CIPHER_SUITE_CCMP:
 105                         if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
 106                                 bss_config->wpa_cfg.pairwise_cipher_wpa |=
 107                                                                 CIPHER_AES_CCMP;
 108                         if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
 109                                 bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
 110                                                                 CIPHER_AES_CCMP;
 111                 default:
 112                         break;
 113                 }
 114         }
 115
 116         switch (params->crypto.cipher_group) {
 117         case WLAN_CIPHER_SUITE_WEP40:
 118         case WLAN_CIPHER_SUITE_WEP104:
 119                 if (priv->sec_info.wep_enabled) {
 120                         bss_config->protocol = PROTOCOL_STATIC_WEP;
 121                         bss_config->key_mgmt = KEY_MGMT_NONE;
 122                         bss_config->wpa_cfg.length = 0;
 123
 124                         for (i = 0; i < NUM_WEP_KEYS; i++) {
 125                                 wep_key = priv->wep_key[i];
 126                                 bss_config->wep_cfg[i].key_index = i;
 127
 128                                 if (priv->wep_key_curr_index == i)
 129                                         bss_config->wep_cfg[i].is_default = 1;
 130                                 else
 131                                         bss_config->wep_cfg[i].is_default = 0;
 132
 133                                 bss_config->wep_cfg[i].length =
 134                                                              wep_key.key_length;
 135                                 memcpy(&bss_config->wep_cfg[i].key,
 136                                        &wep_key.key_material,
 137                                        wep_key.key_length);
 138                         }
 139                 }
 140                 break;
 141         case WLAN_CIPHER_SUITE_TKIP:
 142                 bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
 143                 break;
 144         case WLAN_CIPHER_SUITE_CCMP:
 145                 bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP;
 146                 break;
 147         default:
 148                 break;
 149         }
 150
 151         return 0;
 152 }
 153
 154 /* This function updates 11n related parameters from IE and sets them into
 155  * bss_config structure.
 156  */
 157 void
 158 mwifiex_set_ht_params(struct mwifiex_private *priv,
 159                       struct mwifiex_uap_bss_param *bss_cfg,
 160                       struct cfg80211_ap_settings *params)
 161 {
 162         const u8 *ht_ie;
 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                 priv->ap_11n_enabled = 1;
 173         } else {
 174                 memset(&bss_cfg->ht_cap, 0, sizeof(struct ieee80211_ht_cap));
 175                 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
 176                 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
 177         }
 178
 179         return;
 180 }
 181
 182 /* This function updates 11ac related parameters from IE
 183  * and sets them into bss_config structure.
 184  */
 185 void mwifiex_set_vht_params(struct mwifiex_private *priv,
 186                             struct mwifiex_uap_bss_param *bss_cfg,
 187                             struct cfg80211_ap_settings *params)
 188 {
 189         const u8 *vht_ie;
 190
 191         vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
 192                                   params->beacon.tail_len);
 193         if (vht_ie) {
 194                 memcpy(&bss_cfg->vht_cap, vht_ie + 2,
 195                        sizeof(struct ieee80211_vht_cap));
 196                 priv->ap_11ac_enabled = 1;
 197         } else {
 198                 priv->ap_11ac_enabled = 0;
 199         }
 200
 201         return;
 202 }
 203
 204 /* This function updates 11ac related parameters from IE
 205  * and sets them into bss_config structure.
 206  */
 207 void mwifiex_set_tpc_params(struct mwifiex_private *priv,
 208                             struct mwifiex_uap_bss_param *bss_cfg,
 209                             struct cfg80211_ap_settings *params)
 210 {
 211         const u8 *tpc_ie;
 212
 213         tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail,
 214                                   params->beacon.tail_len);
 215         if (tpc_ie)
 216                 bss_cfg->power_constraint = *(tpc_ie + 2);
 217         else
 218                 bss_cfg->power_constraint = 0;
 219 }
 220
 221 /* Enable VHT only when cfg80211_ap_settings has VHT IE.
 222  * Otherwise disable VHT.
 223  */
 224 void mwifiex_set_vht_width(struct mwifiex_private *priv,
 225                            enum nl80211_chan_width width,
 226                            bool ap_11ac_enable)
 227 {
 228         struct mwifiex_adapter *adapter = priv->adapter;
 229         struct mwifiex_11ac_vht_cfg vht_cfg;
 230
 231         vht_cfg.band_config = VHT_CFG_5GHZ;
 232         vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
 233
 234         if (!ap_11ac_enable) {
 235                 vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
 236                 vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
 237         } else {
 238                 vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
 239                 vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
 240         }
 241
 242         vht_cfg.misc_config  = VHT_CAP_UAP_ONLY;
 243
 244         if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
 245                 vht_cfg.misc_config |= VHT_BW_80_160_80P80;
 246
 247         mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG,
 248                          HostCmd_ACT_GEN_SET, 0, &vht_cfg, true);
 249
 250         return;
 251 }
 252
 253 /* This function finds supported rates IE from beacon parameter and sets
 254  * these rates into bss_config structure.
 255  */
 256 void
 257 mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
 258                       struct cfg80211_ap_settings *params)
 259 {
 260         struct ieee_types_header *rate_ie;
 261         int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
 262         const u8 *var_pos = params->beacon.head + var_offset;
 263         int len = params->beacon.head_len - var_offset;
 264         u8 rate_len = 0;
 265
 266         rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
 267         if (rate_ie) {
 268                 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
 269                 rate_len = rate_ie->len;
 270         }
 271
 272         rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
 273                                            params->beacon.tail,
 274                                            params->beacon.tail_len);
 275         if (rate_ie)
 276                 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
 277
 278         return;
 279 }
 280
 281 /* This function initializes some of mwifiex_uap_bss_param variables.
 282  * This helps FW in ignoring invalid values. These values may or may not
 283  * be get updated to valid ones at later stage.
 284  */
 285 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
 286 {
 287         config->bcast_ssid_ctl = 0x7F;
 288         config->radio_ctl = 0x7F;
 289         config->dtim_period = 0x7F;
 290         config->beacon_period = 0x7FFF;
 291         config->auth_mode = 0x7F;
 292         config->rts_threshold = 0x7FFF;
 293         config->frag_threshold = 0x7FFF;
 294         config->retry_limit = 0x7F;
 295         config->qos_info = 0xFF;
 296 }
 297
 298 /* This function parses BSS related parameters from structure
 299  * and prepares TLVs specific to WPA/WPA2 security.
 300  * These TLVs are appended to command buffer.
 301  */
 302 static void
 303 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 304 {
 305         struct host_cmd_tlv_pwk_cipher *pwk_cipher;
 306         struct host_cmd_tlv_gwk_cipher *gwk_cipher;
 307         struct host_cmd_tlv_passphrase *passphrase;
 308         struct host_cmd_tlv_akmp *tlv_akmp;
 309         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 310         u16 cmd_size = *param_size;
 311         u8 *tlv = *tlv_buf;
 312
 313         tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
 314         tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
 315         tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
 316                                         sizeof(struct mwifiex_ie_types_header));
 317         tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
 318         tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
 319         cmd_size += sizeof(struct host_cmd_tlv_akmp);
 320         tlv += sizeof(struct host_cmd_tlv_akmp);
 321
 322         if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
 323                 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 324                 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 325                 pwk_cipher->header.len =
 326                         cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 327                                     sizeof(struct mwifiex_ie_types_header));
 328                 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
 329                 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
 330                 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 331                 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 332         }
 333
 334         if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
 335                 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 336                 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 337                 pwk_cipher->header.len =
 338                         cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 339                                     sizeof(struct mwifiex_ie_types_header));
 340                 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
 341                 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
 342                 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 343                 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 344         }
 345
 346         if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
 347                 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
 348                 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
 349                 gwk_cipher->header.len =
 350                         cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
 351                                     sizeof(struct mwifiex_ie_types_header));
 352                 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
 353                 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
 354                 tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
 355         }
 356
 357         if (bss_cfg->wpa_cfg.length) {
 358                 passphrase = (struct host_cmd_tlv_passphrase *)tlv;
 359                 passphrase->header.type =
 360                                 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
 361                 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
 362                 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
 363                        bss_cfg->wpa_cfg.length);
 364                 cmd_size += sizeof(struct mwifiex_ie_types_header) +
 365                             bss_cfg->wpa_cfg.length;
 366                 tlv += sizeof(struct mwifiex_ie_types_header) +
 367                                 bss_cfg->wpa_cfg.length;
 368         }
 369
 370         *param_size = cmd_size;
 371         *tlv_buf = tlv;
 372
 373         return;
 374 }
 375
 376 /* This function parses WMM related parameters from cfg80211_ap_settings
 377  * structure and updates bss_config structure.
 378  */
 379 void
 380 mwifiex_set_wmm_params(struct mwifiex_private *priv,
 381                        struct mwifiex_uap_bss_param *bss_cfg,
 382                        struct cfg80211_ap_settings *params)
 383 {
 384         const u8 *vendor_ie;
 385         const u8 *wmm_ie;
 386         u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
 387
 388         vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 389                                             WLAN_OUI_TYPE_MICROSOFT_WMM,
 390                                             params->beacon.tail,
 391                                             params->beacon.tail_len);
 392         if (vendor_ie) {
 393                 wmm_ie = vendor_ie;
 394                 memcpy(&bss_cfg->wmm_info, wmm_ie +
 395                        sizeof(struct ieee_types_header), *(wmm_ie + 1));
 396                 priv->wmm_enabled = 1;
 397         } else {
 398                 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
 399                 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
 400                 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
 401                 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
 402                 priv->wmm_enabled = 0;
 403         }
 404
 405         bss_cfg->qos_info = 0x00;
 406         return;
 407 }
 408 /* This function parses BSS related parameters from structure
 409  * and prepares TLVs specific to WEP encryption.
 410  * These TLVs are appended to command buffer.
 411  */
 412 static void
 413 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 414 {
 415         struct host_cmd_tlv_wep_key *wep_key;
 416         u16 cmd_size = *param_size;
 417         int i;
 418         u8 *tlv = *tlv_buf;
 419         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 420
 421         for (i = 0; i < NUM_WEP_KEYS; i++) {
 422                 if (bss_cfg->wep_cfg[i].length &&
 423                     (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
 424                      bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
 425                         wep_key = (struct host_cmd_tlv_wep_key *)tlv;
 426                         wep_key->header.type =
 427                                 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
 428                         wep_key->header.len =
 429                                 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
 430                         wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
 431                         wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
 432                         memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
 433                                bss_cfg->wep_cfg[i].length);
 434                         cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
 435                                     bss_cfg->wep_cfg[i].length;
 436                         tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
 437                                     bss_cfg->wep_cfg[i].length;
 438                 }
 439         }
 440
 441         *param_size = cmd_size;
 442         *tlv_buf = tlv;
 443
 444         return;
 445 }
 446
 447 /* This function enable 11D if userspace set the country IE.
 448  */
 449 void mwifiex_config_uap_11d(struct mwifiex_private *priv,
 450                             struct cfg80211_beacon_data *beacon_data)
 451 {
 452         enum state_11d_t state_11d;
 453         const u8 *country_ie;
 454
 455         country_ie = cfg80211_find_ie(WLAN_EID_COUNTRY, beacon_data->tail,
 456                                       beacon_data->tail_len);
 457         if (country_ie) {
 458                 /* Send cmd to FW to enable 11D function */
 459                 state_11d = ENABLE_11D;
 460                 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
 461                                      HostCmd_ACT_GEN_SET, DOT11D_I,
 462                                      &state_11d, true)) {
 463                         mwifiex_dbg(priv->adapter, ERROR,
 464                                     "11D: failed to enable 11D\n");
 465                 }
 466         }
 467 }
 468
 469 /* This function parses BSS related parameters from structure
 470  * and prepares TLVs. These TLVs are appended to command buffer.
 471 */
 472 static int
 473 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
 474 {
 475         struct host_cmd_tlv_dtim_period *dtim_period;
 476         struct host_cmd_tlv_beacon_period *beacon_period;
 477         struct host_cmd_tlv_ssid *ssid;
 478         struct host_cmd_tlv_bcast_ssid *bcast_ssid;
 479         struct host_cmd_tlv_channel_band *chan_band;
 480         struct host_cmd_tlv_frag_threshold *frag_threshold;
 481         struct host_cmd_tlv_rts_threshold *rts_threshold;
 482         struct host_cmd_tlv_retry_limit *retry_limit;
 483         struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
 484         struct host_cmd_tlv_auth_type *auth_type;
 485         struct host_cmd_tlv_rates *tlv_rates;
 486         struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
 487         struct host_cmd_tlv_power_constraint *pwr_ct;
 488         struct mwifiex_ie_types_htcap *htcap;
 489         struct mwifiex_ie_types_wmmcap *wmm_cap;
 490         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 491         int i;
 492         u16 cmd_size = *param_size;
 493
 494         if (bss_cfg->ssid.ssid_len) {
 495                 ssid = (struct host_cmd_tlv_ssid *)tlv;
 496                 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
 497                 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
 498                 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
 499                 cmd_size += sizeof(struct mwifiex_ie_types_header) +
 500                             bss_cfg->ssid.ssid_len;
 501                 tlv += sizeof(struct mwifiex_ie_types_header) +
 502                                 bss_cfg->ssid.ssid_len;
 503
 504                 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
 505                 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
 506                 bcast_ssid->header.len =
 507                                 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
 508                 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
 509                 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
 510                 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
 511         }
 512         if (bss_cfg->rates[0]) {
 513                 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
 514                 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
 515
 516                 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
 517                      i++)
 518                         tlv_rates->rates[i] = bss_cfg->rates[i];
 519
 520                 tlv_rates->header.len = cpu_to_le16(i);
 521                 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
 522                 tlv += sizeof(struct host_cmd_tlv_rates) + i;
 523         }
 524         if (bss_cfg->channel &&
 525             (((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_BG &&
 526               bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
 527             ((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_A &&
 528              bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
 529                 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
 530                 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
 531                 chan_band->header.len =
 532                         cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
 533                                     sizeof(struct mwifiex_ie_types_header));
 534                 chan_band->band_config = bss_cfg->band_cfg;
 535                 chan_band->channel = bss_cfg->channel;
 536                 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
 537                 tlv += sizeof(struct host_cmd_tlv_channel_band);
 538         }
 539         if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
 540             bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
 541                 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
 542                 beacon_period->header.type =
 543                                         cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
 544                 beacon_period->header.len =
 545                         cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
 546                                     sizeof(struct mwifiex_ie_types_header));
 547                 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
 548                 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
 549                 tlv += sizeof(struct host_cmd_tlv_beacon_period);
 550         }
 551         if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
 552             bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
 553                 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
 554                 dtim_period->header.type =
 555                         cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
 556                 dtim_period->header.len =
 557                         cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
 558                                     sizeof(struct mwifiex_ie_types_header));
 559                 dtim_period->period = bss_cfg->dtim_period;
 560                 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
 561                 tlv += sizeof(struct host_cmd_tlv_dtim_period);
 562         }
 563         if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
 564                 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
 565                 rts_threshold->header.type =
 566                                         cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
 567                 rts_threshold->header.len =
 568                         cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
 569                                     sizeof(struct mwifiex_ie_types_header));
 570                 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
 571                 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
 572                 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
 573         }
 574         if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
 575             (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
 576                 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
 577                 frag_threshold->header.type =
 578                                 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
 579                 frag_threshold->header.len =
 580                         cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
 581                                     sizeof(struct mwifiex_ie_types_header));
 582                 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
 583                 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
 584                 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
 585         }
 586         if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
 587                 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
 588                 retry_limit->header.type =
 589                         cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
 590                 retry_limit->header.len =
 591                         cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
 592                                     sizeof(struct mwifiex_ie_types_header));
 593                 retry_limit->limit = (u8)bss_cfg->retry_limit;
 594                 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
 595                 tlv += sizeof(struct host_cmd_tlv_retry_limit);
 596         }
 597         if ((bss_cfg->protocol & PROTOCOL_WPA) ||
 598             (bss_cfg->protocol & PROTOCOL_WPA2) ||
 599             (bss_cfg->protocol & PROTOCOL_EAP))
 600                 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
 601         else
 602                 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
 603
 604         if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
 605             (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
 606                 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
 607                 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
 608                 auth_type->header.len =
 609                         cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
 610                         sizeof(struct mwifiex_ie_types_header));
 611                 auth_type->auth_type = (u8)bss_cfg->auth_mode;
 612                 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
 613                 tlv += sizeof(struct host_cmd_tlv_auth_type);
 614         }
 615         if (bss_cfg->protocol) {
 616                 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
 617                 encrypt_protocol->header.type =
 618                         cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
 619                 encrypt_protocol->header.len =
 620                         cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
 621                         - sizeof(struct mwifiex_ie_types_header));
 622                 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
 623                 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
 624                 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
 625         }
 626
 627         if (bss_cfg->ht_cap.cap_info) {
 628                 htcap = (struct mwifiex_ie_types_htcap *)tlv;
 629                 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
 630                 htcap->header.len =
 631                                 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
 632                 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
 633                 htcap->ht_cap.ampdu_params_info =
 634                                              bss_cfg->ht_cap.ampdu_params_info;
 635                 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
 636                        sizeof(struct ieee80211_mcs_info));
 637                 htcap->ht_cap.extended_ht_cap_info =
 638                                         bss_cfg->ht_cap.extended_ht_cap_info;
 639                 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
 640                 htcap->ht_cap.antenna_selection_info =
 641                                         bss_cfg->ht_cap.antenna_selection_info;
 642                 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
 643                 tlv += sizeof(struct mwifiex_ie_types_htcap);
 644         }
 645
 646         if (bss_cfg->wmm_info.qos_info != 0xFF) {
 647                 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
 648                 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
 649                 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
 650                 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
 651                        sizeof(wmm_cap->wmm_info));
 652                 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
 653                 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
 654         }
 655
 656         if (bss_cfg->sta_ao_timer) {
 657                 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
 658                 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
 659                 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
 660                                         sizeof(struct mwifiex_ie_types_header));
 661                 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
 662                 cmd_size += sizeof(*ao_timer);
 663                 tlv += sizeof(*ao_timer);
 664         }
 665
 666         if (bss_cfg->power_constraint) {
 667                 pwr_ct = (void *)tlv;
 668                 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT);
 669                 pwr_ct->header.len = cpu_to_le16(sizeof(u8));
 670                 pwr_ct->constraint = bss_cfg->power_constraint;
 671                 cmd_size += sizeof(*pwr_ct);
 672                 tlv += sizeof(*pwr_ct);
 673         }
 674
 675         if (bss_cfg->ps_sta_ao_timer) {
 676                 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
 677                 ps_ao_timer->header.type =
 678                                 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
 679                 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
 680                                 sizeof(struct mwifiex_ie_types_header));
 681                 ps_ao_timer->sta_ao_timer =
 682                                         cpu_to_le32(bss_cfg->ps_sta_ao_timer);
 683                 cmd_size += sizeof(*ps_ao_timer);
 684                 tlv += sizeof(*ps_ao_timer);
 685         }
 686
 687         *param_size = cmd_size;
 688
 689         return 0;
 690 }
 691
 692 /* This function parses custom IEs from IE list and prepares command buffer */
 693 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
 694 {
 695         struct mwifiex_ie_list *ap_ie = cmd_buf;
 696         struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
 697
 698         if (!ap_ie || !ap_ie->len)
 699                 return -1;
 700
 701         *ie_size += le16_to_cpu(ap_ie->len) +
 702                         sizeof(struct mwifiex_ie_types_header);
 703
 704         tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
 705         tlv_ie->len = ap_ie->len;
 706         tlv += sizeof(struct mwifiex_ie_types_header);
 707
 708         memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
 709
 710         return 0;
 711 }
 712
 713 /* Parse AP config structure and prepare TLV based command structure
 714  * to be sent to FW for uAP configuration
 715  */
 716 static int
 717 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
 718                            u32 type, void *cmd_buf)
 719 {
 720         u8 *tlv;
 721         u16 cmd_size, param_size, ie_size;
 722         struct host_cmd_ds_sys_config *sys_cfg;
 723
 724         cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
 725         cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
 726         sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
 727         sys_cfg->action = cpu_to_le16(cmd_action);
 728         tlv = sys_cfg->tlv;
 729
 730         switch (type) {
 731         case UAP_BSS_PARAMS_I:
 732                 param_size = cmd_size;
 733                 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
 734                         return -1;
 735                 cmd->size = cpu_to_le16(param_size);
 736                 break;
 737         case UAP_CUSTOM_IE_I:
 738                 ie_size = cmd_size;
 739                 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
 740                         return -1;
 741                 cmd->size = cpu_to_le16(ie_size);
 742                 break;
 743         default:
 744                 return -1;
 745         }
 746
 747         return 0;
 748 }
 749
 750 /* This function prepares AP specific deauth command with mac supplied in
 751  * function parameter.
 752  */
 753 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
 754                                       struct host_cmd_ds_command *cmd, u8 *mac)
 755 {
 756         struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
 757
 758         cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
 759         memcpy(sta_deauth->mac, mac, ETH_ALEN);
 760         sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
 761
 762         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
 763                                 S_DS_GEN);
 764         return 0;
 765 }
 766
 767 /* This function prepares the AP specific commands before sending them
 768  * to the firmware.
 769  * This is a generic function which calls specific command preparation
 770  * routines based upon the command number.
 771  */
 772 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
 773                             u16 cmd_action, u32 type,
 774                             void *data_buf, void *cmd_buf)
 775 {
 776         struct host_cmd_ds_command *cmd = cmd_buf;
 777
 778         switch (cmd_no) {
 779         case HostCmd_CMD_UAP_SYS_CONFIG:
 780                 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
 781                         return -1;
 782                 break;
 783         case HostCmd_CMD_UAP_BSS_START:
 784         case HostCmd_CMD_UAP_BSS_STOP:
 785         case HOST_CMD_APCMD_SYS_RESET:
 786         case HOST_CMD_APCMD_STA_LIST:
 787                 cmd->command = cpu_to_le16(cmd_no);
 788                 cmd->size = cpu_to_le16(S_DS_GEN);
 789                 break;
 790         case HostCmd_CMD_UAP_STA_DEAUTH:
 791                 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
 792                         return -1;
 793                 break;
 794         case HostCmd_CMD_CHAN_REPORT_REQUEST:
 795                 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
 796                                                           data_buf))
 797                         return -1;
 798                 break;
 799         default:
 800                 mwifiex_dbg(priv->adapter, ERROR,
 801                             "PREP_CMD: unknown cmd %#x\n", cmd_no);
 802                 return -1;
 803         }
 804
 805         return 0;
 806 }
 807
 808 void mwifiex_uap_set_channel(struct mwifiex_private *priv,
 809                              struct mwifiex_uap_bss_param *bss_cfg,
 810                              struct cfg80211_chan_def chandef)
 811 {
 812         u8 config_bands = 0, old_bands = priv->adapter->config_bands;
 813
 814         priv->bss_chandef = chandef;
 815
 816         bss_cfg->channel = ieee80211_frequency_to_channel(
 817                                                      chandef.chan->center_freq);
 818
 819         /* Set appropriate bands */
 820         if (chandef.chan->band == NL80211_BAND_2GHZ) {
 821                 bss_cfg->band_cfg = BAND_CONFIG_BG;
 822                 config_bands = BAND_B | BAND_G;
 823
 824                 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
 825                         config_bands |= BAND_GN;
 826         } else {
 827                 bss_cfg->band_cfg = BAND_CONFIG_A;
 828                 config_bands = BAND_A;
 829
 830                 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
 831                         config_bands |= BAND_AN;
 832
 833                 if (chandef.width > NL80211_CHAN_WIDTH_40)
 834                         config_bands |= BAND_AAC;
 835         }
 836
 837         switch (chandef.width) {
 838         case NL80211_CHAN_WIDTH_5:
 839         case NL80211_CHAN_WIDTH_10:
 840         case NL80211_CHAN_WIDTH_20_NOHT:
 841         case NL80211_CHAN_WIDTH_20:
 842                 break;
 843         case NL80211_CHAN_WIDTH_40:
 844                 if (chandef.center_freq1 < chandef.chan->center_freq)
 845                         bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_BELOW;
 846                 else
 847                         bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_ABOVE;
 848                 break;
 849         case NL80211_CHAN_WIDTH_80:
 850         case NL80211_CHAN_WIDTH_80P80:
 851         case NL80211_CHAN_WIDTH_160:
 852                 bss_cfg->band_cfg |=
 853                     mwifiex_get_sec_chan_offset(bss_cfg->channel) << 4;
 854                 break;
 855         default:
 856                 mwifiex_dbg(priv->adapter,
 857                             WARN, "Unknown channel width: %d\n",
 858                             chandef.width);
 859                 break;
 860         }
 861
 862         priv->adapter->config_bands = config_bands;
 863
 864         if (old_bands != config_bands) {
 865                 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
 866                 mwifiex_dnld_txpwr_table(priv);
 867         }
 868 }
 869
 870 int mwifiex_config_start_uap(struct mwifiex_private *priv,
 871                              struct mwifiex_uap_bss_param *bss_cfg)
 872 {
 873         if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
 874                              HostCmd_ACT_GEN_SET,
 875                              UAP_BSS_PARAMS_I, bss_cfg, true)) {
 876                 mwifiex_dbg(priv->adapter, ERROR,
 877                             "Failed to set AP configuration\n");
 878                 return -1;
 879         }
 880
 881         if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
 882                              HostCmd_ACT_GEN_SET, 0, NULL, true)) {
 883                 mwifiex_dbg(priv->adapter, ERROR,
 884                             "Failed to start the BSS\n");
 885                 return -1;
 886         }
 887
 888         if (priv->sec_info.wep_enabled)
 889                 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
 890         else
 891                 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
 892
 893         if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
 894                              HostCmd_ACT_GEN_SET, 0,
 895                              &priv->curr_pkt_filter, true))
 896                 return -1;
 897
 898         return 0;
 899 }