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                 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES)
 291                         return;
 292                 memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
 293                 rate_len = rate_ie->len;
 294         }
 295
 296         rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
 297                                            params->beacon.tail,
 298                                            params->beacon.tail_len);
 299         if (rate_ie) {
 300                 if (rate_ie->len > MWIFIEX_SUPPORTED_RATES - rate_len)
 301                         return;
 302                 memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
 303         }
 304
 305         return;
 306 }
 307
 308 /* This function initializes some of mwifiex_uap_bss_param variables.
 309  * This helps FW in ignoring invalid values. These values may or may not
 310  * be get updated to valid ones at later stage.
 311  */
 312 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
 313 {
 314         config->bcast_ssid_ctl = 0x7F;
 315         config->radio_ctl = 0x7F;
 316         config->dtim_period = 0x7F;
 317         config->beacon_period = 0x7FFF;
 318         config->auth_mode = 0x7F;
 319         config->rts_threshold = 0x7FFF;
 320         config->frag_threshold = 0x7FFF;
 321         config->retry_limit = 0x7F;
 322         config->qos_info = 0xFF;
 323 }
 324
 325 /* This function parses BSS related parameters from structure
 326  * and prepares TLVs specific to WPA/WPA2 security.
 327  * These TLVs are appended to command buffer.
 328  */
 329 static void
 330 mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 331 {
 332         struct host_cmd_tlv_pwk_cipher *pwk_cipher;
 333         struct host_cmd_tlv_gwk_cipher *gwk_cipher;
 334         struct host_cmd_tlv_passphrase *passphrase;
 335         struct host_cmd_tlv_akmp *tlv_akmp;
 336         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 337         u16 cmd_size = *param_size;
 338         u8 *tlv = *tlv_buf;
 339
 340         tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
 341         tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
 342         tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
 343                                         sizeof(struct mwifiex_ie_types_header));
 344         tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
 345         tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
 346         cmd_size += sizeof(struct host_cmd_tlv_akmp);
 347         tlv += sizeof(struct host_cmd_tlv_akmp);
 348
 349         if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
 350                 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 351                 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 352                 pwk_cipher->header.len =
 353                         cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 354                                     sizeof(struct mwifiex_ie_types_header));
 355                 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
 356                 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
 357                 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 358                 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 359         }
 360
 361         if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
 362                 pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 363                 pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 364                 pwk_cipher->header.len =
 365                         cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 366                                     sizeof(struct mwifiex_ie_types_header));
 367                 pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
 368                 pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
 369                 cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 370                 tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 371         }
 372
 373         if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
 374                 gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
 375                 gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
 376                 gwk_cipher->header.len =
 377                         cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
 378                                     sizeof(struct mwifiex_ie_types_header));
 379                 gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
 380                 cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
 381                 tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
 382         }
 383
 384         if (bss_cfg->wpa_cfg.length) {
 385                 passphrase = (struct host_cmd_tlv_passphrase *)tlv;
 386                 passphrase->header.type =
 387                                 cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
 388                 passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
 389                 memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
 390                        bss_cfg->wpa_cfg.length);
 391                 cmd_size += sizeof(struct mwifiex_ie_types_header) +
 392                             bss_cfg->wpa_cfg.length;
 393                 tlv += sizeof(struct mwifiex_ie_types_header) +
 394                                 bss_cfg->wpa_cfg.length;
 395         }
 396
 397         *param_size = cmd_size;
 398         *tlv_buf = tlv;
 399
 400         return;
 401 }
 402
 403 /* This function parses WMM related parameters from cfg80211_ap_settings
 404  * structure and updates bss_config structure.
 405  */
 406 void
 407 mwifiex_set_wmm_params(struct mwifiex_private *priv,
 408                        struct mwifiex_uap_bss_param *bss_cfg,
 409                        struct cfg80211_ap_settings *params)
 410 {
 411         const u8 *vendor_ie;
 412         struct ieee_types_header *wmm_ie;
 413         u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
 414
 415         vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 416                                             WLAN_OUI_TYPE_MICROSOFT_WMM,
 417                                             params->beacon.tail,
 418                                             params->beacon.tail_len);
 419         if (vendor_ie) {
 420                 wmm_ie = (struct ieee_types_header *)vendor_ie;
 421                 if (*(vendor_ie + 1) > sizeof(struct mwifiex_types_wmm_info))
 422                         return;
 423                 memcpy(&bss_cfg->wmm_info, wmm_ie + 1,
 424                        sizeof(bss_cfg->wmm_info));
 425                 priv->wmm_enabled = 1;
 426         } else {
 427                 memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
 428                 memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
 429                 bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
 430                 bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
 431                 priv->wmm_enabled = 0;
 432         }
 433
 434         bss_cfg->qos_info = 0x00;
 435         return;
 436 }
 437 /* This function parses BSS related parameters from structure
 438  * and prepares TLVs specific to WEP encryption.
 439  * These TLVs are appended to command buffer.
 440  */
 441 static void
 442 mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 443 {
 444         struct host_cmd_tlv_wep_key *wep_key;
 445         u16 cmd_size = *param_size;
 446         int i;
 447         u8 *tlv = *tlv_buf;
 448         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 449
 450         for (i = 0; i < NUM_WEP_KEYS; i++) {
 451                 if (bss_cfg->wep_cfg[i].length &&
 452                     (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
 453                      bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
 454                         wep_key = (struct host_cmd_tlv_wep_key *)tlv;
 455                         wep_key->header.type =
 456                                 cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
 457                         wep_key->header.len =
 458                                 cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
 459                         wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
 460                         wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
 461                         memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
 462                                bss_cfg->wep_cfg[i].length);
 463                         cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
 464                                     bss_cfg->wep_cfg[i].length;
 465                         tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
 466                                     bss_cfg->wep_cfg[i].length;
 467                 }
 468         }
 469
 470         *param_size = cmd_size;
 471         *tlv_buf = tlv;
 472
 473         return;
 474 }
 475
 476 /* This function parses BSS related parameters from structure
 477  * and prepares TLVs. These TLVs are appended to command buffer.
 478 */
 479 static int
 480 mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
 481 {
 482         struct host_cmd_tlv_dtim_period *dtim_period;
 483         struct host_cmd_tlv_beacon_period *beacon_period;
 484         struct host_cmd_tlv_ssid *ssid;
 485         struct host_cmd_tlv_bcast_ssid *bcast_ssid;
 486         struct host_cmd_tlv_channel_band *chan_band;
 487         struct host_cmd_tlv_frag_threshold *frag_threshold;
 488         struct host_cmd_tlv_rts_threshold *rts_threshold;
 489         struct host_cmd_tlv_retry_limit *retry_limit;
 490         struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
 491         struct host_cmd_tlv_auth_type *auth_type;
 492         struct host_cmd_tlv_rates *tlv_rates;
 493         struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
 494         struct host_cmd_tlv_power_constraint *pwr_ct;
 495         struct mwifiex_ie_types_htcap *htcap;
 496         struct mwifiex_ie_types_wmmcap *wmm_cap;
 497         struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 498         int i;
 499         u16 cmd_size = *param_size;
 500
 501         if (bss_cfg->ssid.ssid_len) {
 502                 ssid = (struct host_cmd_tlv_ssid *)tlv;
 503                 ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
 504                 ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
 505                 memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
 506                 cmd_size += sizeof(struct mwifiex_ie_types_header) +
 507                             bss_cfg->ssid.ssid_len;
 508                 tlv += sizeof(struct mwifiex_ie_types_header) +
 509                                 bss_cfg->ssid.ssid_len;
 510
 511                 bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
 512                 bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
 513                 bcast_ssid->header.len =
 514                                 cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
 515                 bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
 516                 cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
 517                 tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
 518         }
 519         if (bss_cfg->rates[0]) {
 520                 tlv_rates = (struct host_cmd_tlv_rates *)tlv;
 521                 tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
 522
 523                 for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
 524                      i++)
 525                         tlv_rates->rates[i] = bss_cfg->rates[i];
 526
 527                 tlv_rates->header.len = cpu_to_le16(i);
 528                 cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
 529                 tlv += sizeof(struct host_cmd_tlv_rates) + i;
 530         }
 531         if (bss_cfg->channel &&
 532             (((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_BG &&
 533               bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
 534             ((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_A &&
 535              bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
 536                 chan_band = (struct host_cmd_tlv_channel_band *)tlv;
 537                 chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
 538                 chan_band->header.len =
 539                         cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
 540                                     sizeof(struct mwifiex_ie_types_header));
 541                 chan_band->band_config = bss_cfg->band_cfg;
 542                 chan_band->channel = bss_cfg->channel;
 543                 cmd_size += sizeof(struct host_cmd_tlv_channel_band);
 544                 tlv += sizeof(struct host_cmd_tlv_channel_band);
 545         }
 546         if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
 547             bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
 548                 beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
 549                 beacon_period->header.type =
 550                                         cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
 551                 beacon_period->header.len =
 552                         cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
 553                                     sizeof(struct mwifiex_ie_types_header));
 554                 beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
 555                 cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
 556                 tlv += sizeof(struct host_cmd_tlv_beacon_period);
 557         }
 558         if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
 559             bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
 560                 dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
 561                 dtim_period->header.type =
 562                         cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
 563                 dtim_period->header.len =
 564                         cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
 565                                     sizeof(struct mwifiex_ie_types_header));
 566                 dtim_period->period = bss_cfg->dtim_period;
 567                 cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
 568                 tlv += sizeof(struct host_cmd_tlv_dtim_period);
 569         }
 570         if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
 571                 rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
 572                 rts_threshold->header.type =
 573                                         cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
 574                 rts_threshold->header.len =
 575                         cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
 576                                     sizeof(struct mwifiex_ie_types_header));
 577                 rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
 578                 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
 579                 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
 580         }
 581         if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
 582             (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
 583                 frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
 584                 frag_threshold->header.type =
 585                                 cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
 586                 frag_threshold->header.len =
 587                         cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
 588                                     sizeof(struct mwifiex_ie_types_header));
 589                 frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
 590                 cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
 591                 tlv += sizeof(struct host_cmd_tlv_frag_threshold);
 592         }
 593         if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
 594                 retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
 595                 retry_limit->header.type =
 596                         cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
 597                 retry_limit->header.len =
 598                         cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
 599                                     sizeof(struct mwifiex_ie_types_header));
 600                 retry_limit->limit = (u8)bss_cfg->retry_limit;
 601                 cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
 602                 tlv += sizeof(struct host_cmd_tlv_retry_limit);
 603         }
 604         if ((bss_cfg->protocol & PROTOCOL_WPA) ||
 605             (bss_cfg->protocol & PROTOCOL_WPA2) ||
 606             (bss_cfg->protocol & PROTOCOL_EAP))
 607                 mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
 608         else
 609                 mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
 610
 611         if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
 612             (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
 613                 auth_type = (struct host_cmd_tlv_auth_type *)tlv;
 614                 auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
 615                 auth_type->header.len =
 616                         cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
 617                         sizeof(struct mwifiex_ie_types_header));
 618                 auth_type->auth_type = (u8)bss_cfg->auth_mode;
 619                 cmd_size += sizeof(struct host_cmd_tlv_auth_type);
 620                 tlv += sizeof(struct host_cmd_tlv_auth_type);
 621         }
 622         if (bss_cfg->protocol) {
 623                 encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
 624                 encrypt_protocol->header.type =
 625                         cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
 626                 encrypt_protocol->header.len =
 627                         cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
 628                         - sizeof(struct mwifiex_ie_types_header));
 629                 encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
 630                 cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
 631                 tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
 632         }
 633
 634         if (bss_cfg->ht_cap.cap_info) {
 635                 htcap = (struct mwifiex_ie_types_htcap *)tlv;
 636                 htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
 637                 htcap->header.len =
 638                                 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
 639                 htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
 640                 htcap->ht_cap.ampdu_params_info =
 641                                              bss_cfg->ht_cap.ampdu_params_info;
 642                 memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
 643                        sizeof(struct ieee80211_mcs_info));
 644                 htcap->ht_cap.extended_ht_cap_info =
 645                                         bss_cfg->ht_cap.extended_ht_cap_info;
 646                 htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
 647                 htcap->ht_cap.antenna_selection_info =
 648                                         bss_cfg->ht_cap.antenna_selection_info;
 649                 cmd_size += sizeof(struct mwifiex_ie_types_htcap);
 650                 tlv += sizeof(struct mwifiex_ie_types_htcap);
 651         }
 652
 653         if (bss_cfg->wmm_info.qos_info != 0xFF) {
 654                 wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
 655                 wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
 656                 wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
 657                 memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
 658                        sizeof(wmm_cap->wmm_info));
 659                 cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
 660                 tlv += sizeof(struct mwifiex_ie_types_wmmcap);
 661         }
 662
 663         if (bss_cfg->sta_ao_timer) {
 664                 ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
 665                 ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
 666                 ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
 667                                         sizeof(struct mwifiex_ie_types_header));
 668                 ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
 669                 cmd_size += sizeof(*ao_timer);
 670                 tlv += sizeof(*ao_timer);
 671         }
 672
 673         if (bss_cfg->power_constraint) {
 674                 pwr_ct = (void *)tlv;
 675                 pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT);
 676                 pwr_ct->header.len = cpu_to_le16(sizeof(u8));
 677                 pwr_ct->constraint = bss_cfg->power_constraint;
 678                 cmd_size += sizeof(*pwr_ct);
 679                 tlv += sizeof(*pwr_ct);
 680         }
 681
 682         if (bss_cfg->ps_sta_ao_timer) {
 683                 ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
 684                 ps_ao_timer->header.type =
 685                                 cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
 686                 ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
 687                                 sizeof(struct mwifiex_ie_types_header));
 688                 ps_ao_timer->sta_ao_timer =
 689                                         cpu_to_le32(bss_cfg->ps_sta_ao_timer);
 690                 cmd_size += sizeof(*ps_ao_timer);
 691                 tlv += sizeof(*ps_ao_timer);
 692         }
 693
 694         *param_size = cmd_size;
 695
 696         return 0;
 697 }
 698
 699 /* This function parses custom IEs from IE list and prepares command buffer */
 700 static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
 701 {
 702         struct mwifiex_ie_list *ap_ie = cmd_buf;
 703         struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
 704
 705         if (!ap_ie || !ap_ie->len)
 706                 return -1;
 707
 708         *ie_size += le16_to_cpu(ap_ie->len) +
 709                         sizeof(struct mwifiex_ie_types_header);
 710
 711         tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
 712         tlv_ie->len = ap_ie->len;
 713         tlv += sizeof(struct mwifiex_ie_types_header);
 714
 715         memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
 716
 717         return 0;
 718 }
 719
 720 /* Parse AP config structure and prepare TLV based command structure
 721  * to be sent to FW for uAP configuration
 722  */
 723 static int
 724 mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
 725                            u32 type, void *cmd_buf)
 726 {
 727         u8 *tlv;
 728         u16 cmd_size, param_size, ie_size;
 729         struct host_cmd_ds_sys_config *sys_cfg;
 730
 731         cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
 732         cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
 733         sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
 734         sys_cfg->action = cpu_to_le16(cmd_action);
 735         tlv = sys_cfg->tlv;
 736
 737         switch (type) {
 738         case UAP_BSS_PARAMS_I:
 739                 param_size = cmd_size;
 740                 if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
 741                         return -1;
 742                 cmd->size = cpu_to_le16(param_size);
 743                 break;
 744         case UAP_CUSTOM_IE_I:
 745                 ie_size = cmd_size;
 746                 if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
 747                         return -1;
 748                 cmd->size = cpu_to_le16(ie_size);
 749                 break;
 750         default:
 751                 return -1;
 752         }
 753
 754         return 0;
 755 }
 756
 757 /* This function prepares AP specific deauth command with mac supplied in
 758  * function parameter.
 759  */
 760 static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
 761                                       struct host_cmd_ds_command *cmd, u8 *mac)
 762 {
 763         struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
 764
 765         cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
 766         memcpy(sta_deauth->mac, mac, ETH_ALEN);
 767         sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
 768
 769         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
 770                                 S_DS_GEN);
 771         return 0;
 772 }
 773
 774 /* This function prepares the AP specific commands before sending them
 775  * to the firmware.
 776  * This is a generic function which calls specific command preparation
 777  * routines based upon the command number.
 778  */
 779 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
 780                             u16 cmd_action, u32 type,
 781                             void *data_buf, void *cmd_buf)
 782 {
 783         struct host_cmd_ds_command *cmd = cmd_buf;
 784
 785         switch (cmd_no) {
 786         case HostCmd_CMD_UAP_SYS_CONFIG:
 787                 if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
 788                         return -1;
 789                 break;
 790         case HostCmd_CMD_UAP_BSS_START:
 791         case HostCmd_CMD_UAP_BSS_STOP:
 792         case HOST_CMD_APCMD_SYS_RESET:
 793         case HOST_CMD_APCMD_STA_LIST:
 794                 cmd->command = cpu_to_le16(cmd_no);
 795                 cmd->size = cpu_to_le16(S_DS_GEN);
 796                 break;
 797         case HostCmd_CMD_UAP_STA_DEAUTH:
 798                 if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
 799                         return -1;
 800                 break;
 801         case HostCmd_CMD_CHAN_REPORT_REQUEST:
 802                 if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
 803                                                           data_buf))
 804                         return -1;
 805                 break;
 806         default:
 807                 mwifiex_dbg(priv->adapter, ERROR,
 808                             "PREP_CMD: unknown cmd %#x\n", cmd_no);
 809                 return -1;
 810         }
 811
 812         return 0;
 813 }
 814
 815 void mwifiex_uap_set_channel(struct mwifiex_private *priv,
 816                              struct mwifiex_uap_bss_param *bss_cfg,
 817                              struct cfg80211_chan_def chandef)
 818 {
 819         u8 config_bands = 0, old_bands = priv->adapter->config_bands;
 820
 821         priv->bss_chandef = chandef;
 822
 823         bss_cfg->channel = ieee80211_frequency_to_channel(
 824                                                      chandef.chan->center_freq);
 825
 826         /* Set appropriate bands */
 827         if (chandef.chan->band == NL80211_BAND_2GHZ) {
 828                 bss_cfg->band_cfg = BAND_CONFIG_BG;
 829                 config_bands = BAND_B | BAND_G;
 830
 831                 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
 832                         config_bands |= BAND_GN;
 833         } else {
 834                 bss_cfg->band_cfg = BAND_CONFIG_A;
 835                 config_bands = BAND_A;
 836
 837                 if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
 838                         config_bands |= BAND_AN;
 839
 840                 if (chandef.width > NL80211_CHAN_WIDTH_40)
 841                         config_bands |= BAND_AAC;
 842         }
 843
 844         switch (chandef.width) {
 845         case NL80211_CHAN_WIDTH_5:
 846         case NL80211_CHAN_WIDTH_10:
 847         case NL80211_CHAN_WIDTH_20_NOHT:
 848         case NL80211_CHAN_WIDTH_20:
 849                 break;
 850         case NL80211_CHAN_WIDTH_40:
 851                 if (chandef.center_freq1 < chandef.chan->center_freq)
 852                         bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_BELOW;
 853                 else
 854                         bss_cfg->band_cfg |= MWIFIEX_SEC_CHAN_ABOVE;
 855                 break;
 856         case NL80211_CHAN_WIDTH_80:
 857         case NL80211_CHAN_WIDTH_80P80:
 858         case NL80211_CHAN_WIDTH_160:
 859                 bss_cfg->band_cfg |=
 860                     mwifiex_get_sec_chan_offset(bss_cfg->channel) << 4;
 861                 break;
 862         default:
 863                 mwifiex_dbg(priv->adapter,
 864                             WARN, "Unknown channel width: %d\n",
 865                             chandef.width);
 866                 break;
 867         }
 868
 869         priv->adapter->config_bands = config_bands;
 870
 871         if (old_bands != config_bands) {
 872                 mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
 873                 mwifiex_dnld_txpwr_table(priv);
 874         }
 875 }
 876
 877 int mwifiex_config_start_uap(struct mwifiex_private *priv,
 878                              struct mwifiex_uap_bss_param *bss_cfg)
 879 {
 880         enum state_11d_t state_11d;
 881
 882         if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
 883                              HostCmd_ACT_GEN_SET,
 884                              UAP_BSS_PARAMS_I, bss_cfg, true)) {
 885                 mwifiex_dbg(priv->adapter, ERROR,
 886                             "Failed to set AP configuration\n");
 887                 return -1;
 888         }
 889
 890         /* Send cmd to FW to enable 11D function */
 891         state_11d = ENABLE_11D;
 892         if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
 893                              HostCmd_ACT_GEN_SET, DOT11D_I,
 894                              &state_11d, true)) {
 895                 mwifiex_dbg(priv->adapter, ERROR,
 896                             "11D: failed to enable 11D\n");
 897                 return -1;
 898         }
 899
 900         if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
 901                              HostCmd_ACT_GEN_SET, 0, NULL, true)) {
 902                 mwifiex_dbg(priv->adapter, ERROR,
 903                             "Failed to start the BSS\n");
 904                 return -1;
 905         }
 906
 907         if (priv->sec_info.wep_enabled)
 908                 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
 909         else
 910                 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
 911
 912         if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
 913                              HostCmd_ACT_GEN_SET, 0,
 914                              &priv->curr_pkt_filter, true))
 915                 return -1;
 916
 917         return 0;
 918 }