drivers/net/wireless/marvell/mwifiex/uap_cmd.c

   1 /*
   2  * NXP Wireless LAN device driver: AP specific command handling
   3  *
   4  * Copyright 2011-2020 NXP
   5  *
   6  * This software file (the "File") is distributed by NXP
   7  * 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                         break;
 112                 default:
 113                         break;
 114                 }
 115         }
 116
 117         switch (params->crypto.cipher_group) {
 118         case WLAN_CIPHER_SUITE_WEP40:
 119         case WLAN_CIPHER_SUITE_WEP104:
 120                 if (priv->sec_info.wep_enabled) {
 121                         bss_config->protocol = PROTOCOL_STATIC_WEP;
 122                         bss_config->key_mgmt = KEY_MGMT_NONE;
 123                         bss_config->wpa_cfg.length = 0;
 124
 125                         for (i = 0; i < NUM_WEP_KEYS; i++) {
 126                                 wep_key = priv->wep_key[i];
 127                                 bss_config->wep_cfg[i].key_index = i;
 128
 129                                 if (priv->wep_key_curr_index == i)
 130                                         bss_config->wep_cfg[i].is_default = 1;
 131                                 else
 132                                         bss_config->wep_cfg[i].is_default = 0;
 133
 134                                 bss_config->wep_cfg[i].length =
 135                                                              wep_key.key_length;
 136                                 memcpy(&bss_config->wep_cfg[i].key,
 137                                        &wep_key.key_material,
 138                                        wep_key.key_length);
 139                         }
 140                 }
 141                 break;
 142         case WLAN_CIPHER_SUITE_TKIP:
 143                 bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
 144                 break;
 145         case WLAN_CIPHER_SUITE_CCMP:
 146                 bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP;
 147                 break;
 148         default:
 149                 break;
 150         }
 151
 152         return 0;
 153 }
 154
 155 /* This function updates 11n related parameters from IE and sets them into
 156  * bss_config structure.
 157  */
 158 void
 159 mwifiex_set_ht_params(struct mwifiex_private *priv,
 160                       struct mwifiex_uap_bss_param *bss_cfg,
 161                       struct cfg80211_ap_settings *params)
 162 {
 163         const u8 *ht_ie;
 164
 165         if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
 166                 return;
 167
 168         ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
 169                                  params->beacon.tail_len);
 170         if (ht_ie) {
 171                 memcpy(&bss_cfg->ht_cap, ht_ie + 2,
 172                        sizeof(struct ieee80211_ht_cap));
 173                 priv->ap_11n_enabled = 1;
 174         } else {
 175                 memset(&bss_cfg->ht_cap, 0, sizeof(struct ieee80211_ht_cap));
 176                 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
 177                 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
 178         }
 179
 180         return;
 181 }
 182
 183 /* This function updates 11ac related parameters from IE
 184  * and sets them into bss_config structure.
 185  */
 186 void mwifiex_set_vht_params(struct mwifiex_private *priv,
 187                             struct mwifiex_uap_bss_param *bss_cfg,
 188                             struct cfg80211_ap_settings *params)
 189 {
 190         const u8 *vht_ie;
 191
 192         vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
 193                                   params->beacon.tail_len);
 194         if (vht_ie) {
 195                 memcpy(&bss_cfg->vht_cap, vht_ie + 2,
 196                        sizeof(struct ieee80211_vht_cap));
 197                 priv->ap_11ac_enabled = 1;
 198         } else {
 199                 priv->ap_11ac_enabled = 0;
 200         }
 201
 202         return;
 203 }
 204
 205 /* This function updates 11ac related parameters from IE
 206  * and sets them into bss_config structure.
 207  */
 208 void mwifiex_set_tpc_params(struct mwifiex_private *priv,
 209                             struct mwifiex_uap_bss_param *bss_cfg,
 210                             struct cfg80211_ap_settings *params)
 211 {
 212         const u8 *tpc_ie;
 213
 214         tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail,
 215                                   params->beacon.tail_len);
 216         if (tpc_ie)
 217                 bss_cfg->power_constraint = *(tpc_ie + 2);
 218         else
 219                 bss_cfg->power_constraint = 0;
 220 }
 221
 222 /* Enable VHT only when cfg80211_ap_settings has VHT IE.
 223  * Otherwise disable VHT.
 224  */
 225 void mwifiex_set_vht_width(struct mwifiex_private *priv,
 226                            enum nl80211_chan_width width,
 227                            bool ap_11ac_enable)
 228 {
 229         struct mwifiex_adapter *adapter = priv->adapter;
 230         struct mwifiex_11ac_vht_cfg vht_cfg;
 231
 232         vht_cfg.band_config = VHT_CFG_5GHZ;
 233         vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
 234
 235         if (!ap_11ac_enable) {
 236                 vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
 237                 vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
 238         } else {
 239                 vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
 240                 vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
 241         }
 242
 243         vht_cfg.misc_config  = VHT_CAP_UAP_ONLY;
 244
 245         if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
 246                 vht_cfg.misc_config |= VHT_BW_80_160_80P80;
 247
 248         mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG,
 249                          HostCmd_ACT_GEN_SET, 0, &vht_cfg, true);
 250
 251         return;
 252 }
 253
 254 /* This function finds supported rates IE from beacon parameter and sets
 255  * these rates into bss_config structure.
 256  */
 257 void
 258 mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
 259                       struct cfg80211_ap_settings *params)
 260 {
 261         struct ieee_types_header *rate_ie;
 262         int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
 263         const u8 *var_pos = params->beacon.head + var_offset;
 264         int len = params->beacon.head_len - var_offset;
 265         u8 rate_len = 0;
 266
 267         rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
 268         if (rate_ie) {
 269                 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES)
 270                         return;
 271                 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
 272                 rate_len = rate_ie->len;
 273         }
 274
 275         rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
 276                                            params->beacon.tail,
 277                                            params->beacon.tail_len);
 278         if (rate_ie) {
 279                 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES - rate_len)
 280                         return;
 281                 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
 282         }
 283
 284         return;
 285 }
 286
 287 /* This function initializes some of mwifiex_uap_bss_param variables.
 288  * This helps FW in ignoring invalid values. These values may or may not
 289  * be get updated to valid ones at later stage.
 290  */
 291 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
 292 {
 293         config->bcast_ssid_ctl = 0x7F;
 294         config->radio_ctl = 0x7F;
 295         config->dtim_period = 0x7F;
 296         config->beacon_period = 0x7FFF;
 297         config->auth_mode = 0x7F;
 298         config->rts_threshold = 0x7FFF;
 299         config->frag_threshold = 0x7FFF;
 300         config->retry_limit = 0x7F;
 301         config->qos_info = 0xFF;
 302 }
 303
 304 /* This function parses BSS related parameters from structure
 305  * and prepares TLVs specific to WPA/WPA2 security.
 306  * These TLVs are appended to command buffer.
 307  */
 308 static void
 309 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 310 {
 311         struct host_cmd_tlv_pwk_cipher *pwk_cipher;
 312         struct host_cmd_tlv_gwk_cipher *gwk_cipher;
 313         struct host_cmd_tlv_passphrase *passphrase;
 314         struct host_cmd_tlv_akmp *tlv_akmp;
 315         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 316         u16 cmd_size = *param_size;
 317         u8 *tlv = *tlv_buf;
 318
 319         tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
 320         tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
 321         tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
 322                                         sizeof(struct mwifiex_ie_types_header));
 323         tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
 324         tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
 325         cmd_size += sizeof(struct host_cmd_tlv_akmp);
 326         tlv += sizeof(struct host_cmd_tlv_akmp);
 327
 328         if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
 329                 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 330                 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 331                 pwk_cipher->header.len =
 332                         cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 333                                     sizeof(struct mwifiex_ie_types_header));
 334                 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
 335                 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
 336                 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 337                 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 338         }
 339
 340         if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
 341                 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 342                 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 343                 pwk_cipher->header.len =
 344                         cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 345                                     sizeof(struct mwifiex_ie_types_header));
 346                 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
 347                 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
 348                 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 349                 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 350         }
 351
 352         if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
 353                 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
 354                 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
 355                 gwk_cipher->header.len =
 356                         cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
 357                                     sizeof(struct mwifiex_ie_types_header));
 358                 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
 359                 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
 360                 tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
 361         }
 362
 363         if (bss_cfg->wpa_cfg.length) {
 364                 passphrase = (struct host_cmd_tlv_passphrase *)tlv;
 365                 passphrase->header.type =
 366                                 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
 367                 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
 368                 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
 369                        bss_cfg->wpa_cfg.length);
 370                 cmd_size += sizeof(struct mwifiex_ie_types_header) +
 371                             bss_cfg->wpa_cfg.length;
 372                 tlv += sizeof(struct mwifiex_ie_types_header) +
 373                                 bss_cfg->wpa_cfg.length;
 374         }
 375
 376         *param_size = cmd_size;
 377         *tlv_buf = tlv;
 378
 379         return;
 380 }
 381
 382 /* This function parses WMM related parameters from cfg80211_ap_settings
 383  * structure and updates bss_config structure.
 384  */
 385 void
 386 mwifiex_set_wmm_params(struct mwifiex_private *priv,
 387                        struct mwifiex_uap_bss_param *bss_cfg,
 388                        struct cfg80211_ap_settings *params)
 389 {
 390         const u8 *vendor_ie;
 391         const u8 *wmm_ie;
 392         static const u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
 393
 394         vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 395                                             WLAN_OUI_TYPE_MICROSOFT_WMM,
 396                                             params->beacon.tail,
 397                                             params->beacon.tail_len);
 398         if (vendor_ie) {
 399                 wmm_ie = vendor_ie;
 400                 if (*(wmm_ie + 1) > sizeof(struct mwifiex_types_wmm_info))
 401                         return;
 402                 memcpy(&bss_cfg->wmm_info, wmm_ie +
 403                        sizeof(struct ieee_types_header), *(wmm_ie + 1));
 404                 priv->wmm_enabled = 1;
 405         } else {
 406                 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
 407                 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
 408                 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
 409                 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
 410                 priv->wmm_enabled = 0;
 411         }
 412
 413         bss_cfg->qos_info = 0x00;
 414         return;
 415 }
 416 /* This function parses BSS related parameters from structure
 417  * and prepares TLVs specific to WEP encryption.
 418  * These TLVs are appended to command buffer.
 419  */
 420 static void
 421 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 422 {
 423         struct host_cmd_tlv_wep_key *wep_key;
 424         u16 cmd_size = *param_size;
 425         int i;
 426         u8 *tlv = *tlv_buf;
 427         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 428
 429         for (i = 0; i < NUM_WEP_KEYS; i++) {
 430                 if (bss_cfg->wep_cfg[i].length &&
 431                     (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
 432                      bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
 433                         wep_key = (struct host_cmd_tlv_wep_key *)tlv;
 434                         wep_key->header.type =
 435                                 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
 436                         wep_key->header.len =
 437                                 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
 438                         wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
 439                         wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
 440                         memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
 441                                bss_cfg->wep_cfg[i].length);
 442                         cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
 443                                     bss_cfg->wep_cfg[i].length;
 444                         tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
 445                                     bss_cfg->wep_cfg[i].length;
 446                 }
 447         }
 448
 449         *param_size = cmd_size;
 450         *tlv_buf = tlv;
 451
 452         return;
 453 }
 454
 455 /* This function enable 11D if userspace set the country IE.
 456  */
 457 void mwifiex_config_uap_11d(struct mwifiex_private *priv,
 458                             struct cfg80211_beacon_data *beacon_data)
 459 {
 460         enum state_11d_t state_11d;
 461         const u8 *country_ie;
 462
 463         country_ie = cfg80211_find_ie(WLAN_EID_COUNTRY, beacon_data->tail,
 464                                       beacon_data->tail_len);
 465         if (country_ie) {
 466                 /* Send cmd to FW to enable 11D function */
 467                 state_11d = ENABLE_11D;
 468                 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
 469                                      HostCmd_ACT_GEN_SET, DOT11D_I,
 470                                      &state_11d, true)) {
 471                         mwifiex_dbg(priv->adapter, ERROR,
 472                                     "11D: failed to enable 11D\n");
 473                 }
 474         }
 475 }
 476
 477 /* This function parses BSS related parameters from structure
 478  * and prepares TLVs. These TLVs are appended to command buffer.
 479 */
 480 static int
 481 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
 482 {
 483         struct host_cmd_tlv_dtim_period *dtim_period;
 484         struct host_cmd_tlv_beacon_period *beacon_period;
 485         struct host_cmd_tlv_ssid *ssid;
 486         struct host_cmd_tlv_bcast_ssid *bcast_ssid;
 487         struct host_cmd_tlv_channel_band *chan_band;
 488         struct host_cmd_tlv_frag_threshold *frag_threshold;
 489         struct host_cmd_tlv_rts_threshold *rts_threshold;
 490         struct host_cmd_tlv_retry_limit *retry_limit;
 491         struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
 492         struct host_cmd_tlv_auth_type *auth_type;
 493         struct host_cmd_tlv_rates *tlv_rates;
 494         struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
 495         struct host_cmd_tlv_power_constraint *pwr_ct;
 496         struct mwifiex_ie_types_htcap *htcap;
 497         struct mwifiex_ie_types_wmmcap *wmm_cap;
 498         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 499         int i;
 500         u16 cmd_size = *param_size;
 501
 502         if (bss_cfg->ssid.ssid_len) {
 503                 ssid = (struct host_cmd_tlv_ssid *)tlv;
 504                 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
 505                 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
 506                 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
 507                 cmd_size += sizeof(struct mwifiex_ie_types_header) +
 508                             bss_cfg->ssid.ssid_len;
 509                 tlv += sizeof(struct mwifiex_ie_types_header) +
 510                                 bss_cfg->ssid.ssid_len;
 511
 512                 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
 513                 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
 514                 bcast_ssid->header.len =
 515                                 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
 516                 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
 517                 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
 518                 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
 519         }
 520         if (bss_cfg->rates[0]) {
 521                 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
 522                 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
 523
 524                 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
 525                      i++)
 526                         tlv_rates->rates[i] = bss_cfg->rates[i];
 527
 528                 tlv_rates->header.len = cpu_to_le16(i);
 529                 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
 530                 tlv += sizeof(struct host_cmd_tlv_rates) + i;
 531         }
 532         if (bss_cfg->channel &&
 533             (((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_BG &&
 534               bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
 535             ((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_A &&
 536              bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
 537                 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
 538                 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
 539                 chan_band->header.len =
 540                         cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
 541                                     sizeof(struct mwifiex_ie_types_header));
 542                 chan_band->band_config = bss_cfg->band_cfg;
 543                 chan_band->channel = bss_cfg->channel;
 544                 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
 545                 tlv += sizeof(struct host_cmd_tlv_channel_band);
 546         }
 547         if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
 548             bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
 549                 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
 550                 beacon_period->header.type =
 551                                         cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
 552                 beacon_period->header.len =
 553                         cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
 554                                     sizeof(struct mwifiex_ie_types_header));
 555                 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
 556                 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
 557                 tlv += sizeof(struct host_cmd_tlv_beacon_period);
 558         }
 559         if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
 560             bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
 561                 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
 562                 dtim_period->header.type =
 563                         cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
 564                 dtim_period->header.len =
 565                         cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
 566                                     sizeof(struct mwifiex_ie_types_header));
 567                 dtim_period->period = bss_cfg->dtim_period;
 568                 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
 569                 tlv += sizeof(struct host_cmd_tlv_dtim_period);
 570         }
 571         if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
 572                 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
 573                 rts_threshold->header.type =
 574                                         cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
 575                 rts_threshold->header.len =
 576                         cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
 577                                     sizeof(struct mwifiex_ie_types_header));
 578                 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
 579                 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
 580                 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
 581         }
 582         if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
 583             (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
 584                 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
 585                 frag_threshold->header.type =
 586                                 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
 587                 frag_threshold->header.len =
 588                         cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
 589                                     sizeof(struct mwifiex_ie_types_header));
 590                 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
 591                 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
 592                 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
 593         }
 594         if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
 595                 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
 596                 retry_limit->header.type =
 597                         cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
 598                 retry_limit->header.len =
 599                         cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
 600                                     sizeof(struct mwifiex_ie_types_header));
 601                 retry_limit->limit = (u8)bss_cfg->retry_limit;
 602                 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
 603                 tlv += sizeof(struct host_cmd_tlv_retry_limit);
 604         }
 605         if ((bss_cfg->protocol & PROTOCOL_WPA) ||
 606             (bss_cfg->protocol & PROTOCOL_WPA2) ||
 607             (bss_cfg->protocol & PROTOCOL_EAP))
 608                 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
 609         else
 610                 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
 611
 612         if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
 613             (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
 614                 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
 615                 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
 616                 auth_type->header.len =
 617                         cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
 618                         sizeof(struct mwifiex_ie_types_header));
 619                 auth_type->auth_type = (u8)bss_cfg->auth_mode;
 620                 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
 621                 tlv += sizeof(struct host_cmd_tlv_auth_type);
 622         }
 623         if (bss_cfg->protocol) {
 624                 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
 625                 encrypt_protocol->header.type =
 626                         cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
 627                 encrypt_protocol->header.len =
 628                         cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
 629                         - sizeof(struct mwifiex_ie_types_header));
 630                 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
 631                 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
 632                 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
 633         }
 634
 635         if (bss_cfg->ht_cap.cap_info) {
 636                 htcap = (struct mwifiex_ie_types_htcap *)tlv;
 637                 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
 638                 htcap->header.len =
 639                                 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
 640                 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
 641                 htcap->ht_cap.ampdu_params_info =
 642                                              bss_cfg->ht_cap.ampdu_params_info;
 643                 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
 644                        sizeof(struct ieee80211_mcs_info));
 645                 htcap->ht_cap.extended_ht_cap_info =
 646                                         bss_cfg->ht_cap.extended_ht_cap_info;
 647                 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
 648                 htcap->ht_cap.antenna_selection_info =
 649                                         bss_cfg->ht_cap.antenna_selection_info;
 650                 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
 651                 tlv += sizeof(struct mwifiex_ie_types_htcap);
 652         }
 653
 654         if (bss_cfg->wmm_info.qos_info != 0xFF) {
 655                 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
 656                 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
 657                 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
 658                 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
 659                        sizeof(wmm_cap->wmm_info));
 660                 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
 661                 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
 662         }
 663
 664         if (bss_cfg->sta_ao_timer) {
 665                 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
 666                 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
 667                 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
 668                                         sizeof(struct mwifiex_ie_types_header));
 669                 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
 670                 cmd_size += sizeof(*ao_timer);
 671                 tlv += sizeof(*ao_timer);
 672         }
 673
 674         if (bss_cfg->power_constraint) {
 675                 pwr_ct = (void *)tlv;
 676                 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT);
 677                 pwr_ct->header.len = cpu_to_le16(sizeof(u8));
 678                 pwr_ct->constraint = bss_cfg->power_constraint;
 679                 cmd_size += sizeof(*pwr_ct);
 680                 tlv += sizeof(*pwr_ct);
 681         }
 682
 683         if (bss_cfg->ps_sta_ao_timer) {
 684                 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
 685                 ps_ao_timer->header.type =
 686                                 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
 687                 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
 688                                 sizeof(struct mwifiex_ie_types_header));
 689                 ps_ao_timer->sta_ao_timer =
 690                                         cpu_to_le32(bss_cfg->ps_sta_ao_timer);
 691                 cmd_size += sizeof(*ps_ao_timer);
 692                 tlv += sizeof(*ps_ao_timer);
 693         }
 694
 695         *param_size = cmd_size;
 696
 697         return 0;
 698 }
 699
 700 /* This function parses custom IEs from IE list and prepares command buffer */
 701 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
 702 {
 703         struct mwifiex_ie_list *ap_ie = cmd_buf;
 704         struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
 705
 706         if (!ap_ie || !ap_ie->len)
 707                 return -1;
 708
 709         *ie_size += le16_to_cpu(ap_ie->len) +
 710                         sizeof(struct mwifiex_ie_types_header);
 711
 712         tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
 713         tlv_ie->len = ap_ie->len;
 714         tlv += sizeof(struct mwifiex_ie_types_header);
 715
 716         memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
 717
 718         return 0;
 719 }
 720
 721 /* Parse AP config structure and prepare TLV based command structure
 722  * to be sent to FW for uAP configuration
 723  */
 724 static int
 725 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
 726                            u32 type, void *cmd_buf)
 727 {
 728         u8 *tlv;
 729         u16 cmd_size, param_size, ie_size;
 730         struct host_cmd_ds_sys_config *sys_cfg;
 731
 732         cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
 733         cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
 734         sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
 735         sys_cfg->action = cpu_to_le16(cmd_action);
 736         tlv = sys_cfg->tlv;
 737
 738         switch (type) {
 739         case UAP_BSS_PARAMS_I:
 740                 param_size = cmd_size;
 741                 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
 742                         return -1;
 743                 cmd->size = cpu_to_le16(param_size);
 744                 break;
 745         case UAP_CUSTOM_IE_I:
 746                 ie_size = cmd_size;
 747                 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
 748                         return -1;
 749                 cmd->size = cpu_to_le16(ie_size);
 750                 break;
 751         default:
 752                 return -1;
 753         }
 754
 755         return 0;
 756 }
 757
 758 /* This function prepares AP specific deauth command with mac supplied in
 759  * function parameter.
 760  */
 761 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
 762                                       struct host_cmd_ds_command *cmd, u8 *mac)
 763 {
 764         struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
 765
 766         cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
 767         memcpy(sta_deauth->mac, mac, ETH_ALEN);
 768         sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
 769
 770         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
 771                                 S_DS_GEN);
 772         return 0;
 773 }
 774
 775 /* This function prepares the AP specific commands before sending them
 776  * to the firmware.
 777  * This is a generic function which calls specific command preparation
 778  * routines based upon the command number.
 779  */
 780 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
 781                             u16 cmd_action, u32 type,
 782                             void *data_buf, void *cmd_buf)
 783 {
 784         struct host_cmd_ds_command *cmd = cmd_buf;
 785
 786         switch (cmd_no) {
 787         case HostCmd_CMD_UAP_SYS_CONFIG:
 788                 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
 789                         return -1;
 790                 break;
 791         case HostCmd_CMD_UAP_BSS_START:
 792         case HostCmd_CMD_UAP_BSS_STOP:
 793         case HOST_CMD_APCMD_SYS_RESET:
 794         case HOST_CMD_APCMD_STA_LIST:
 795                 cmd->command = cpu_to_le16(cmd_no);
 796                 cmd->size = cpu_to_le16(S_DS_GEN);
 797                 break;
 798         case HostCmd_CMD_UAP_STA_DEAUTH:
 799                 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
 800                         return -1;
 801                 break;
 802         case HostCmd_CMD_CHAN_REPORT_REQUEST:
 803                 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
 804                                                           data_buf))
 805                         return -1;
 806                 break;
 807         default:
 808                 mwifiex_dbg(priv->adapter, ERROR,
 809                             "PREP_CMD: unknown cmd %#x\n", cmd_no);
 810                 return -1;
 811         }
 812
 813         return 0;
 814 }
 815
 816 void mwifiex_uap_set_channel(struct mwifiex_private *priv,
 817                              struct mwifiex_uap_bss_param *bss_cfg,
 818                              struct cfg80211_chan_def chandef)
 819 {
 820         u8 config_bands = 0, old_bands = priv->adapter->config_bands;
 821
 822         priv->bss_chandef = chandef;
 823
 824         bss_cfg->channel = ieee80211_frequency_to_channel(
 825                                                      chandef.chan->center_freq);
 826
 827         /* Set appropriate bands */
 828         if (chandef.chan->band == NL80211_BAND_2GHZ) {
 829                 bss_cfg->band_cfg = BAND_CONFIG_BG;
 830                 config_bands = BAND_B | BAND_G;
 831
 832                 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
 833                         config_bands |= BAND_GN;
 834         } else {
 835                 bss_cfg->band_cfg = BAND_CONFIG_A;
 836                 config_bands = BAND_A;
 837
 838                 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
 839                         config_bands |= BAND_AN;
 840
 841                 if (chandef.width > NL80211_CHAN_WIDTH_40)
 842                         config_bands |= BAND_AAC;
 843         }
 844
 845         switch (chandef.width) {
 846         case NL80211_CHAN_WIDTH_5:
 847         case NL80211_CHAN_WIDTH_10:
 848         case NL80211_CHAN_WIDTH_20_NOHT:
 849         case NL80211_CHAN_WIDTH_20:
 850                 break;
 851         case NL80211_CHAN_WIDTH_40:
 852                 if (chandef.center_freq1 < chandef.chan->center_freq)
 853                         bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_BELOW;
 854                 else
 855                         bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_ABOVE;
 856                 break;
 857         case NL80211_CHAN_WIDTH_80:
 858         case NL80211_CHAN_WIDTH_80P80:
 859         case NL80211_CHAN_WIDTH_160:
 860                 bss_cfg->band_cfg |=
 861                     mwifiex_get_sec_chan_offset(bss_cfg->channel) << 4;
 862                 break;
 863         default:
 864                 mwifiex_dbg(priv->adapter,
 865                             WARN, "Unknown channel width: %d\n",
 866                             chandef.width);
 867                 break;
 868         }
 869
 870         priv->adapter->config_bands = config_bands;
 871
 872         if (old_bands != config_bands) {
 873                 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
 874                 mwifiex_dnld_txpwr_table(priv);
 875         }
 876 }
 877
 878 int mwifiex_config_start_uap(struct mwifiex_private *priv,
 879                              struct mwifiex_uap_bss_param *bss_cfg)
 880 {
 881         if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
 882                              HostCmd_ACT_GEN_SET,
 883                              UAP_BSS_PARAMS_I, bss_cfg, true)) {
 884                 mwifiex_dbg(priv->adapter, ERROR,
 885                             "Failed to set AP configuration\n");
 886                 return -1;
 887         }
 888
 889         if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
 890                              HostCmd_ACT_GEN_SET, 0, NULL, true)) {
 891                 mwifiex_dbg(priv->adapter, ERROR,
 892                             "Failed to start the BSS\n");
 893                 return -1;
 894         }
 895
 896         if (priv->sec_info.wep_enabled)
 897                 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
 898         else
 899                 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
 900
 901         if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
 902                              HostCmd_ACT_GEN_SET, 0,
 903                              &priv->curr_pkt_filter, true))
 904                 return -1;
 905
 906         return 0;
 907 }