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         u16 cap_info;
 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                 cap_info = le16_to_cpu(bss_cfg->ht_cap.cap_info);
 174                 memset(&bss_cfg->ht_cap.mcs, 0,
 175                        priv->adapter->number_of_antenna);
 176                 switch (GET_RXSTBC(cap_info)) {
 177                 case MWIFIEX_RX_STBC1:
 178                         /* HT_CAP 1X1 mode */
 179                         bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
 180                         break;
 181                 case MWIFIEX_RX_STBC12: /* fall through */
 182                 case MWIFIEX_RX_STBC123:
 183                         /* HT_CAP 2X2 mode */
 184                         bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
 185                         bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff;
 186                         break;
 187                 default:
 188                         mwifiex_dbg(priv->adapter, WARN,
 189                                     "Unsupported RX-STBC, default to 2x2\n");
 190                         bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
 191                         bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff;
 192                         break;
 193                 }
 194                 priv->ap_11n_enabled = 1;
 195         } else {
 196                 memset(&bss_cfg->ht_cap, 0, sizeof(struct ieee80211_ht_cap));
 197                 bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
 198                 bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
 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_vht_params(struct mwifiex_private *priv,
 208                             struct mwifiex_uap_bss_param *bss_cfg,
 209                             struct cfg80211_ap_settings *params)
 210 {
 211         const u8 *vht_ie;
 212
 213         vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
 214                                   params->beacon.tail_len);
 215         if (vht_ie) {
 216                 memcpy(&bss_cfg->vht_cap, vht_ie + 2,
 217                        sizeof(struct ieee80211_vht_cap));
 218                 priv->ap_11ac_enabled = 1;
 219         } else {
 220                 priv->ap_11ac_enabled = 0;
 221         }
 222
 223         return;
 224 }
 225
 226 /* This function updates 11ac related parameters from IE
 227  * and sets them into bss_config structure.
 228  */
 229 void mwifiex_set_tpc_params(struct mwifiex_private *priv,
 230                             struct mwifiex_uap_bss_param *bss_cfg,
 231                             struct cfg80211_ap_settings *params)
 232 {
 233         const u8 *tpc_ie;
 234
 235         tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail,
 236                                   params->beacon.tail_len);
 237         if (tpc_ie)
 238                 bss_cfg->power_constraint = *(tpc_ie + 2);
 239         else
 240                 bss_cfg->power_constraint = 0;
 241 }
 242
 243 /* Enable VHT only when cfg80211_ap_settings has VHT IE.
 244  * Otherwise disable VHT.
 245  */
 246 void mwifiex_set_vht_width(struct mwifiex_private *priv,
 247                            enum nl80211_chan_width width,
 248                            bool ap_11ac_enable)
 249 {
 250         struct mwifiex_adapter *adapter = priv->adapter;
 251         struct mwifiex_11ac_vht_cfg vht_cfg;
 252
 253         vht_cfg.band_config = VHT_CFG_5GHZ;
 254         vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
 255
 256         if (!ap_11ac_enable) {
 257                 vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
 258                 vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
 259         } else {
 260                 vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
 261                 vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
 262         }
 263
 264         vht_cfg.misc_config  = VHT_CAP_UAP_ONLY;
 265
 266         if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
 267                 vht_cfg.misc_config |= VHT_BW_80_160_80P80;
 268
 269         mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG,
 270                          HostCmd_ACT_GEN_SET, 0, &vht_cfg, true);
 271
 272         return;
 273 }
 274
 275 /* This function finds supported rates IE from beacon parameter and sets
 276  * these rates into bss_config structure.
 277  */
 278 void
 279 mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
 280                       struct cfg80211_ap_settings *params)
 281 {
 282         struct ieee_types_header *rate_ie;
 283         int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
 284         const u8 *var_pos = params->beacon.head + var_offset;
 285         int len = params->beacon.head_len - var_offset;
 286         u8 rate_len = 0;
 287
 288         rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
 289         if (rate_ie) {
 290                 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
 291                 rate_len = rate_ie->len;
 292         }
 293
 294         rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
 295                                            params->beacon.tail,
 296                                            params->beacon.tail_len);
 297         if (rate_ie)
 298                 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
 299
 300         return;
 301 }
 302
 303 /* This function initializes some of mwifiex_uap_bss_param variables.
 304  * This helps FW in ignoring invalid values. These values may or may not
 305  * be get updated to valid ones at later stage.
 306  */
 307 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
 308 {
 309         config->bcast_ssid_ctl = 0x7F;
 310         config->radio_ctl = 0x7F;
 311         config->dtim_period = 0x7F;
 312         config->beacon_period = 0x7FFF;
 313         config->auth_mode = 0x7F;
 314         config->rts_threshold = 0x7FFF;
 315         config->frag_threshold = 0x7FFF;
 316         config->retry_limit = 0x7F;
 317         config->qos_info = 0xFF;
 318 }
 319
 320 /* This function parses BSS related parameters from structure
 321  * and prepares TLVs specific to WPA/WPA2 security.
 322  * These TLVs are appended to command buffer.
 323  */
 324 static void
 325 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 326 {
 327         struct host_cmd_tlv_pwk_cipher *pwk_cipher;
 328         struct host_cmd_tlv_gwk_cipher *gwk_cipher;
 329         struct host_cmd_tlv_passphrase *passphrase;
 330         struct host_cmd_tlv_akmp *tlv_akmp;
 331         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 332         u16 cmd_size = *param_size;
 333         u8 *tlv = *tlv_buf;
 334
 335         tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
 336         tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
 337         tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
 338                                         sizeof(struct mwifiex_ie_types_header));
 339         tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
 340         tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
 341         cmd_size += sizeof(struct host_cmd_tlv_akmp);
 342         tlv += sizeof(struct host_cmd_tlv_akmp);
 343
 344         if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
 345                 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 346                 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 347                 pwk_cipher->header.len =
 348                         cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 349                                     sizeof(struct mwifiex_ie_types_header));
 350                 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
 351                 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
 352                 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 353                 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 354         }
 355
 356         if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
 357                 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 358                 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 359                 pwk_cipher->header.len =
 360                         cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 361                                     sizeof(struct mwifiex_ie_types_header));
 362                 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
 363                 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
 364                 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 365                 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 366         }
 367
 368         if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
 369                 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
 370                 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
 371                 gwk_cipher->header.len =
 372                         cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
 373                                     sizeof(struct mwifiex_ie_types_header));
 374                 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
 375                 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
 376                 tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
 377         }
 378
 379         if (bss_cfg->wpa_cfg.length) {
 380                 passphrase = (struct host_cmd_tlv_passphrase *)tlv;
 381                 passphrase->header.type =
 382                                 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
 383                 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
 384                 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
 385                        bss_cfg->wpa_cfg.length);
 386                 cmd_size += sizeof(struct mwifiex_ie_types_header) +
 387                             bss_cfg->wpa_cfg.length;
 388                 tlv += sizeof(struct mwifiex_ie_types_header) +
 389                                 bss_cfg->wpa_cfg.length;
 390         }
 391
 392         *param_size = cmd_size;
 393         *tlv_buf = tlv;
 394
 395         return;
 396 }
 397
 398 /* This function parses WMM related parameters from cfg80211_ap_settings
 399  * structure and updates bss_config structure.
 400  */
 401 void
 402 mwifiex_set_wmm_params(struct mwifiex_private *priv,
 403                        struct mwifiex_uap_bss_param *bss_cfg,
 404                        struct cfg80211_ap_settings *params)
 405 {
 406         const u8 *vendor_ie;
 407         const u8 *wmm_ie;
 408         u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
 409
 410         vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 411                                             WLAN_OUI_TYPE_MICROSOFT_WMM,
 412                                             params->beacon.tail,
 413                                             params->beacon.tail_len);
 414         if (vendor_ie) {
 415                 wmm_ie = vendor_ie;
 416                 memcpy(&bss_cfg->wmm_info, wmm_ie +
 417                        sizeof(struct ieee_types_header), *(wmm_ie + 1));
 418                 priv->wmm_enabled = 1;
 419         } else {
 420                 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
 421                 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
 422                 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
 423                 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
 424                 priv->wmm_enabled = 0;
 425         }
 426
 427         bss_cfg->qos_info = 0x00;
 428         return;
 429 }
 430 /* This function parses BSS related parameters from structure
 431  * and prepares TLVs specific to WEP encryption.
 432  * These TLVs are appended to command buffer.
 433  */
 434 static void
 435 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 436 {
 437         struct host_cmd_tlv_wep_key *wep_key;
 438         u16 cmd_size = *param_size;
 439         int i;
 440         u8 *tlv = *tlv_buf;
 441         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 442
 443         for (i = 0; i < NUM_WEP_KEYS; i++) {
 444                 if (bss_cfg->wep_cfg[i].length &&
 445                     (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
 446                      bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
 447                         wep_key = (struct host_cmd_tlv_wep_key *)tlv;
 448                         wep_key->header.type =
 449                                 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
 450                         wep_key->header.len =
 451                                 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
 452                         wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
 453                         wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
 454                         memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
 455                                bss_cfg->wep_cfg[i].length);
 456                         cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
 457                                     bss_cfg->wep_cfg[i].length;
 458                         tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
 459                                     bss_cfg->wep_cfg[i].length;
 460                 }
 461         }
 462
 463         *param_size = cmd_size;
 464         *tlv_buf = tlv;
 465
 466         return;
 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         enum state_11d_t state_11d;
 874
 875         if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
 876                              HostCmd_ACT_GEN_SET,
 877                              UAP_BSS_PARAMS_I, bss_cfg, true)) {
 878                 mwifiex_dbg(priv->adapter, ERROR,
 879                             "Failed to set AP configuration\n");
 880                 return -1;
 881         }
 882
 883         /* Send cmd to FW to enable 11D function */
 884         state_11d = ENABLE_11D;
 885         if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
 886                              HostCmd_ACT_GEN_SET, DOT11D_I,
 887                              &state_11d, true)) {
 888                 mwifiex_dbg(priv->adapter, ERROR,
 889                             "11D: failed to enable 11D\n");
 890                 return -1;
 891         }
 892
 893         if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
 894                              HostCmd_ACT_GEN_SET, 0, NULL, true)) {
 895                 mwifiex_dbg(priv->adapter, ERROR,
 896                             "Failed to start the BSS\n");
 897                 return -1;
 898         }
 899
 900         if (priv->sec_info.wep_enabled)
 901                 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
 902         else
 903                 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
 904
 905         if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
 906                              HostCmd_ACT_GEN_SET, 0,
 907                              &priv->curr_pkt_filter, true))
 908                 return -1;
 909
 910         return 0;
 911 }