linux/drivers/net/wireless/mwifiex/uap_cmd.c
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   1/*
   2 * Marvell Wireless LAN device driver: AP specific command handling
   3 *
   4 * Copyright (C) 2012-2014, Marvell International Ltd.
   5 *
   6 * This software file (the "File") is distributed by Marvell International
   7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8 * (the "License").  You may use, redistribute and/or modify this File in
   9 * accordance with the terms and conditions of the License, a copy of which
  10 * is available by writing to the Free Software Foundation, Inc.,
  11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13 *
  14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17 * this warranty disclaimer.
  18 */
  19
  20#include "main.h"
  21#include "11ac.h"
  22
  23/* This function parses security related parameters from cfg80211_ap_settings
  24 * and sets into FW understandable bss_config structure.
  25 */
  26int mwifiex_set_secure_params(struct mwifiex_private *priv,
  27                              struct mwifiex_uap_bss_param *bss_config,
  28                              struct cfg80211_ap_settings *params) {
  29        int i;
  30        struct mwifiex_wep_key wep_key;
  31
  32        if (!params->privacy) {
  33                bss_config->protocol = PROTOCOL_NO_SECURITY;
  34                bss_config->key_mgmt = KEY_MGMT_NONE;
  35                bss_config->wpa_cfg.length = 0;
  36                priv->sec_info.wep_enabled = 0;
  37                priv->sec_info.wpa_enabled = 0;
  38                priv->sec_info.wpa2_enabled = 0;
  39
  40                return 0;
  41        }
  42
  43        switch (params->auth_type) {
  44        case NL80211_AUTHTYPE_OPEN_SYSTEM:
  45                bss_config->auth_mode = WLAN_AUTH_OPEN;
  46                break;
  47        case NL80211_AUTHTYPE_SHARED_KEY:
  48                bss_config->auth_mode = WLAN_AUTH_SHARED_KEY;
  49                break;
  50        case NL80211_AUTHTYPE_NETWORK_EAP:
  51                bss_config->auth_mode = WLAN_AUTH_LEAP;
  52                break;
  53        default:
  54                bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO;
  55                break;
  56        }
  57
  58        bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST;
  59
  60        for (i = 0; i < params->crypto.n_akm_suites; i++) {
  61                switch (params->crypto.akm_suites[i]) {
  62                case WLAN_AKM_SUITE_8021X:
  63                        if (params->crypto.wpa_versions &
  64                            NL80211_WPA_VERSION_1) {
  65                                bss_config->protocol = PROTOCOL_WPA;
  66                                bss_config->key_mgmt = KEY_MGMT_EAP;
  67                        }
  68                        if (params->crypto.wpa_versions &
  69                            NL80211_WPA_VERSION_2) {
  70                                bss_config->protocol |= PROTOCOL_WPA2;
  71                                bss_config->key_mgmt = KEY_MGMT_EAP;
  72                        }
  73                        break;
  74                case WLAN_AKM_SUITE_PSK:
  75                        if (params->crypto.wpa_versions &
  76                            NL80211_WPA_VERSION_1) {
  77                                bss_config->protocol = PROTOCOL_WPA;
  78                                bss_config->key_mgmt = KEY_MGMT_PSK;
  79                        }
  80                        if (params->crypto.wpa_versions &
  81                            NL80211_WPA_VERSION_2) {
  82                                bss_config->protocol |= PROTOCOL_WPA2;
  83                                bss_config->key_mgmt = KEY_MGMT_PSK;
  84                        }
  85                        break;
  86                default:
  87                        break;
  88                }
  89        }
  90        for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) {
  91                switch (params->crypto.ciphers_pairwise[i]) {
  92                case WLAN_CIPHER_SUITE_WEP40:
  93                case WLAN_CIPHER_SUITE_WEP104:
  94                        break;
  95                case WLAN_CIPHER_SUITE_TKIP:
  96                        if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
  97                                bss_config->wpa_cfg.pairwise_cipher_wpa |=
  98                                                                CIPHER_TKIP;
  99                        if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
 100                                bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
 101                                                                CIPHER_TKIP;
 102                        break;
 103                case WLAN_CIPHER_SUITE_CCMP:
 104                        if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
 105                                bss_config->wpa_cfg.pairwise_cipher_wpa |=
 106                                                                CIPHER_AES_CCMP;
 107                        if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
 108                                bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
 109                                                                CIPHER_AES_CCMP;
 110                default:
 111                        break;
 112                }
 113        }
 114
 115        switch (params->crypto.cipher_group) {
 116        case WLAN_CIPHER_SUITE_WEP40:
 117        case WLAN_CIPHER_SUITE_WEP104:
 118                if (priv->sec_info.wep_enabled) {
 119                        bss_config->protocol = PROTOCOL_STATIC_WEP;
 120                        bss_config->key_mgmt = KEY_MGMT_NONE;
 121                        bss_config->wpa_cfg.length = 0;
 122
 123                        for (i = 0; i < NUM_WEP_KEYS; i++) {
 124                                wep_key = priv->wep_key[i];
 125                                bss_config->wep_cfg[i].key_index = i;
 126
 127                                if (priv->wep_key_curr_index == i)
 128                                        bss_config->wep_cfg[i].is_default = 1;
 129                                else
 130                                        bss_config->wep_cfg[i].is_default = 0;
 131
 132                                bss_config->wep_cfg[i].length =
 133                                                             wep_key.key_length;
 134                                memcpy(&bss_config->wep_cfg[i].key,
 135                                       &wep_key.key_material,
 136                                       wep_key.key_length);
 137                        }
 138                }
 139                break;
 140        case WLAN_CIPHER_SUITE_TKIP:
 141                bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
 142                break;
 143        case WLAN_CIPHER_SUITE_CCMP:
 144                bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP;
 145                break;
 146        default:
 147                break;
 148        }
 149
 150        return 0;
 151}
 152
 153/* This function updates 11n related parameters from IE and sets them into
 154 * bss_config structure.
 155 */
 156void
 157mwifiex_set_ht_params(struct mwifiex_private *priv,
 158                      struct mwifiex_uap_bss_param *bss_cfg,
 159                      struct cfg80211_ap_settings *params)
 160{
 161        const u8 *ht_ie;
 162        u16 cap_info;
 163
 164        if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
 165                return;
 166
 167        ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
 168                                 params->beacon.tail_len);
 169        if (ht_ie) {
 170                memcpy(&bss_cfg->ht_cap, ht_ie + 2,
 171                       sizeof(struct ieee80211_ht_cap));
 172                cap_info = le16_to_cpu(bss_cfg->ht_cap.cap_info);
 173                memset(&bss_cfg->ht_cap.mcs, 0,
 174                       priv->adapter->number_of_antenna);
 175                switch (GET_RXSTBC(cap_info)) {
 176                case MWIFIEX_RX_STBC1:
 177                        /* HT_CAP 1X1 mode */
 178                        bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
 179                        break;
 180                case MWIFIEX_RX_STBC12: /* fall through */
 181                case MWIFIEX_RX_STBC123:
 182                        /* HT_CAP 2X2 mode */
 183                        bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
 184                        bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff;
 185                        break;
 186                default:
 187                        mwifiex_dbg(priv->adapter, WARN,
 188                                    "Unsupported RX-STBC, default to 2x2\n");
 189                        bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
 190                        bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff;
 191                        break;
 192                }
 193                priv->ap_11n_enabled = 1;
 194        } else {
 195                memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap));
 196                bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
 197                bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
 198        }
 199
 200        return;
 201}
 202
 203/* This function updates 11ac related parameters from IE
 204 * and sets them into bss_config structure.
 205 */
 206void mwifiex_set_vht_params(struct mwifiex_private *priv,
 207                            struct mwifiex_uap_bss_param *bss_cfg,
 208                            struct cfg80211_ap_settings *params)
 209{
 210        const u8 *vht_ie;
 211
 212        vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
 213                                  params->beacon.tail_len);
 214        if (vht_ie) {
 215                memcpy(&bss_cfg->vht_cap, vht_ie + 2,
 216                       sizeof(struct ieee80211_vht_cap));
 217                priv->ap_11ac_enabled = 1;
 218        } else {
 219                priv->ap_11ac_enabled = 0;
 220        }
 221
 222        return;
 223}
 224
 225/* This function updates 11ac related parameters from IE
 226 * and sets them into bss_config structure.
 227 */
 228void mwifiex_set_tpc_params(struct mwifiex_private *priv,
 229                            struct mwifiex_uap_bss_param *bss_cfg,
 230                            struct cfg80211_ap_settings *params)
 231{
 232        const u8 *tpc_ie;
 233
 234        tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail,
 235                                  params->beacon.tail_len);
 236        if (tpc_ie)
 237                bss_cfg->power_constraint = *(tpc_ie + 2);
 238        else
 239                bss_cfg->power_constraint = 0;
 240}
 241
 242/* Enable VHT only when cfg80211_ap_settings has VHT IE.
 243 * Otherwise disable VHT.
 244 */
 245void mwifiex_set_vht_width(struct mwifiex_private *priv,
 246                           enum nl80211_chan_width width,
 247                           bool ap_11ac_enable)
 248{
 249        struct mwifiex_adapter *adapter = priv->adapter;
 250        struct mwifiex_11ac_vht_cfg vht_cfg;
 251
 252        vht_cfg.band_config = VHT_CFG_5GHZ;
 253        vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
 254
 255        if (!ap_11ac_enable) {
 256                vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
 257                vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
 258        } else {
 259                vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
 260                vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
 261        }
 262
 263        vht_cfg.misc_config  = VHT_CAP_UAP_ONLY;
 264
 265        if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
 266                vht_cfg.misc_config |= VHT_BW_80_160_80P80;
 267
 268        mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG,
 269                         HostCmd_ACT_GEN_SET, 0, &vht_cfg, true);
 270
 271        return;
 272}
 273
 274/* This function finds supported rates IE from beacon parameter and sets
 275 * these rates into bss_config structure.
 276 */
 277void
 278mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
 279                      struct cfg80211_ap_settings *params)
 280{
 281        struct ieee_types_header *rate_ie;
 282        int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
 283        const u8 *var_pos = params->beacon.head + var_offset;
 284        int len = params->beacon.head_len - var_offset;
 285        u8 rate_len = 0;
 286
 287        rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
 288        if (rate_ie) {
 289                memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
 290                rate_len = rate_ie->len;
 291        }
 292
 293        rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
 294                                           params->beacon.tail,
 295                                           params->beacon.tail_len);
 296        if (rate_ie)
 297                memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
 298
 299        return;
 300}
 301
 302/* This function initializes some of mwifiex_uap_bss_param variables.
 303 * This helps FW in ignoring invalid values. These values may or may not
 304 * be get updated to valid ones at later stage.
 305 */
 306void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
 307{
 308        config->bcast_ssid_ctl = 0x7F;
 309        config->radio_ctl = 0x7F;
 310        config->dtim_period = 0x7F;
 311        config->beacon_period = 0x7FFF;
 312        config->auth_mode = 0x7F;
 313        config->rts_threshold = 0x7FFF;
 314        config->frag_threshold = 0x7FFF;
 315        config->retry_limit = 0x7F;
 316        config->qos_info = 0xFF;
 317}
 318
 319/* This function parses BSS related parameters from structure
 320 * and prepares TLVs specific to WPA/WPA2 security.
 321 * These TLVs are appended to command buffer.
 322 */
 323static void
 324mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 325{
 326        struct host_cmd_tlv_pwk_cipher *pwk_cipher;
 327        struct host_cmd_tlv_gwk_cipher *gwk_cipher;
 328        struct host_cmd_tlv_passphrase *passphrase;
 329        struct host_cmd_tlv_akmp *tlv_akmp;
 330        struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 331        u16 cmd_size = *param_size;
 332        u8 *tlv = *tlv_buf;
 333
 334        tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
 335        tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
 336        tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
 337                                        sizeof(struct mwifiex_ie_types_header));
 338        tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
 339        tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
 340        cmd_size += sizeof(struct host_cmd_tlv_akmp);
 341        tlv += sizeof(struct host_cmd_tlv_akmp);
 342
 343        if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
 344                pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 345                pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 346                pwk_cipher->header.len =
 347                        cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 348                                    sizeof(struct mwifiex_ie_types_header));
 349                pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
 350                pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
 351                cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 352                tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 353        }
 354
 355        if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
 356                pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 357                pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 358                pwk_cipher->header.len =
 359                        cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 360                                    sizeof(struct mwifiex_ie_types_header));
 361                pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
 362                pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
 363                cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 364                tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 365        }
 366
 367        if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
 368                gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
 369                gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
 370                gwk_cipher->header.len =
 371                        cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
 372                                    sizeof(struct mwifiex_ie_types_header));
 373                gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
 374                cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
 375                tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
 376        }
 377
 378        if (bss_cfg->wpa_cfg.length) {
 379                passphrase = (struct host_cmd_tlv_passphrase *)tlv;
 380                passphrase->header.type =
 381                                cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
 382                passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
 383                memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
 384                       bss_cfg->wpa_cfg.length);
 385                cmd_size += sizeof(struct mwifiex_ie_types_header) +
 386                            bss_cfg->wpa_cfg.length;
 387                tlv += sizeof(struct mwifiex_ie_types_header) +
 388                                bss_cfg->wpa_cfg.length;
 389        }
 390
 391        *param_size = cmd_size;
 392        *tlv_buf = tlv;
 393
 394        return;
 395}
 396
 397/* This function parses WMM related parameters from cfg80211_ap_settings
 398 * structure and updates bss_config structure.
 399 */
 400void
 401mwifiex_set_wmm_params(struct mwifiex_private *priv,
 402                       struct mwifiex_uap_bss_param *bss_cfg,
 403                       struct cfg80211_ap_settings *params)
 404{
 405        const u8 *vendor_ie;
 406        struct ieee_types_header *wmm_ie;
 407        u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
 408
 409        vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 410                                            WLAN_OUI_TYPE_MICROSOFT_WMM,
 411                                            params->beacon.tail,
 412                                            params->beacon.tail_len);
 413        if (vendor_ie) {
 414                wmm_ie = (struct ieee_types_header *)vendor_ie;
 415                memcpy(&bss_cfg->wmm_info, wmm_ie + 1,
 416                       sizeof(bss_cfg->wmm_info));
 417                priv->wmm_enabled = 1;
 418        } else {
 419                memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
 420                memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
 421                bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
 422                bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
 423                priv->wmm_enabled = 0;
 424        }
 425
 426        bss_cfg->qos_info = 0x00;
 427        return;
 428}
 429/* This function parses BSS related parameters from structure
 430 * and prepares TLVs specific to WEP encryption.
 431 * These TLVs are appended to command buffer.
 432 */
 433static void
 434mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 435{
 436        struct host_cmd_tlv_wep_key *wep_key;
 437        u16 cmd_size = *param_size;
 438        int i;
 439        u8 *tlv = *tlv_buf;
 440        struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 441
 442        for (i = 0; i < NUM_WEP_KEYS; i++) {
 443                if (bss_cfg->wep_cfg[i].length &&
 444                    (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
 445                     bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
 446                        wep_key = (struct host_cmd_tlv_wep_key *)tlv;
 447                        wep_key->header.type =
 448                                cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
 449                        wep_key->header.len =
 450                                cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
 451                        wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
 452                        wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
 453                        memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
 454                               bss_cfg->wep_cfg[i].length);
 455                        cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
 456                                    bss_cfg->wep_cfg[i].length;
 457                        tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
 458                                    bss_cfg->wep_cfg[i].length;
 459                }
 460        }
 461
 462        *param_size = cmd_size;
 463        *tlv_buf = tlv;
 464
 465        return;
 466}
 467
 468/* This function parses BSS related parameters from structure
 469 * and prepares TLVs. These TLVs are appended to command buffer.
 470*/
 471static int
 472mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
 473{
 474        struct host_cmd_tlv_dtim_period *dtim_period;
 475        struct host_cmd_tlv_beacon_period *beacon_period;
 476        struct host_cmd_tlv_ssid *ssid;
 477        struct host_cmd_tlv_bcast_ssid *bcast_ssid;
 478        struct host_cmd_tlv_channel_band *chan_band;
 479        struct host_cmd_tlv_frag_threshold *frag_threshold;
 480        struct host_cmd_tlv_rts_threshold *rts_threshold;
 481        struct host_cmd_tlv_retry_limit *retry_limit;
 482        struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
 483        struct host_cmd_tlv_auth_type *auth_type;
 484        struct host_cmd_tlv_rates *tlv_rates;
 485        struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
 486        struct host_cmd_tlv_power_constraint *pwr_ct;
 487        struct mwifiex_ie_types_htcap *htcap;
 488        struct mwifiex_ie_types_wmmcap *wmm_cap;
 489        struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 490        int i;
 491        u16 cmd_size = *param_size;
 492
 493        if (bss_cfg->ssid.ssid_len) {
 494                ssid = (struct host_cmd_tlv_ssid *)tlv;
 495                ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
 496                ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
 497                memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
 498                cmd_size += sizeof(struct mwifiex_ie_types_header) +
 499                            bss_cfg->ssid.ssid_len;
 500                tlv += sizeof(struct mwifiex_ie_types_header) +
 501                                bss_cfg->ssid.ssid_len;
 502
 503                bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
 504                bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
 505                bcast_ssid->header.len =
 506                                cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
 507                bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
 508                cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
 509                tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
 510        }
 511        if (bss_cfg->rates[0]) {
 512                tlv_rates = (struct host_cmd_tlv_rates *)tlv;
 513                tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
 514
 515                for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
 516                     i++)
 517                        tlv_rates->rates[i] = bss_cfg->rates[i];
 518
 519                tlv_rates->header.len = cpu_to_le16(i);
 520                cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
 521                tlv += sizeof(struct host_cmd_tlv_rates) + i;
 522        }
 523        if (bss_cfg->channel &&
 524            ((bss_cfg->band_cfg == BAND_CONFIG_BG &&
 525              bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
 526            (bss_cfg->band_cfg == BAND_CONFIG_A &&
 527             bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
 528                chan_band = (struct host_cmd_tlv_channel_band *)tlv;
 529                chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
 530                chan_band->header.len =
 531                        cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
 532                                    sizeof(struct mwifiex_ie_types_header));
 533                chan_band->band_config = bss_cfg->band_cfg;
 534                chan_band->channel = bss_cfg->channel;
 535                cmd_size += sizeof(struct host_cmd_tlv_channel_band);
 536                tlv += sizeof(struct host_cmd_tlv_channel_band);
 537        }
 538        if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
 539            bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
 540                beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
 541                beacon_period->header.type =
 542                                        cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
 543                beacon_period->header.len =
 544                        cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
 545                                    sizeof(struct mwifiex_ie_types_header));
 546                beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
 547                cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
 548                tlv += sizeof(struct host_cmd_tlv_beacon_period);
 549        }
 550        if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
 551            bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
 552                dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
 553                dtim_period->header.type =
 554                        cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
 555                dtim_period->header.len =
 556                        cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
 557                                    sizeof(struct mwifiex_ie_types_header));
 558                dtim_period->period = bss_cfg->dtim_period;
 559                cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
 560                tlv += sizeof(struct host_cmd_tlv_dtim_period);
 561        }
 562        if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
 563                rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
 564                rts_threshold->header.type =
 565                                        cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
 566                rts_threshold->header.len =
 567                        cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
 568                                    sizeof(struct mwifiex_ie_types_header));
 569                rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
 570                cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
 571                tlv += sizeof(struct host_cmd_tlv_frag_threshold);
 572        }
 573        if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
 574            (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
 575                frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
 576                frag_threshold->header.type =
 577                                cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
 578                frag_threshold->header.len =
 579                        cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
 580                                    sizeof(struct mwifiex_ie_types_header));
 581                frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
 582                cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
 583                tlv += sizeof(struct host_cmd_tlv_frag_threshold);
 584        }
 585        if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
 586                retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
 587                retry_limit->header.type =
 588                        cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
 589                retry_limit->header.len =
 590                        cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
 591                                    sizeof(struct mwifiex_ie_types_header));
 592                retry_limit->limit = (u8)bss_cfg->retry_limit;
 593                cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
 594                tlv += sizeof(struct host_cmd_tlv_retry_limit);
 595        }
 596        if ((bss_cfg->protocol & PROTOCOL_WPA) ||
 597            (bss_cfg->protocol & PROTOCOL_WPA2) ||
 598            (bss_cfg->protocol & PROTOCOL_EAP))
 599                mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
 600        else
 601                mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
 602
 603        if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
 604            (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
 605                auth_type = (struct host_cmd_tlv_auth_type *)tlv;
 606                auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
 607                auth_type->header.len =
 608                        cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
 609                        sizeof(struct mwifiex_ie_types_header));
 610                auth_type->auth_type = (u8)bss_cfg->auth_mode;
 611                cmd_size += sizeof(struct host_cmd_tlv_auth_type);
 612                tlv += sizeof(struct host_cmd_tlv_auth_type);
 613        }
 614        if (bss_cfg->protocol) {
 615                encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
 616                encrypt_protocol->header.type =
 617                        cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
 618                encrypt_protocol->header.len =
 619                        cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
 620                        - sizeof(struct mwifiex_ie_types_header));
 621                encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
 622                cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
 623                tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
 624        }
 625
 626        if (bss_cfg->ht_cap.cap_info) {
 627                htcap = (struct mwifiex_ie_types_htcap *)tlv;
 628                htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
 629                htcap->header.len =
 630                                cpu_to_le16(sizeof(struct ieee80211_ht_cap));
 631                htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
 632                htcap->ht_cap.ampdu_params_info =
 633                                             bss_cfg->ht_cap.ampdu_params_info;
 634                memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
 635                       sizeof(struct ieee80211_mcs_info));
 636                htcap->ht_cap.extended_ht_cap_info =
 637                                        bss_cfg->ht_cap.extended_ht_cap_info;
 638                htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
 639                htcap->ht_cap.antenna_selection_info =
 640                                        bss_cfg->ht_cap.antenna_selection_info;
 641                cmd_size += sizeof(struct mwifiex_ie_types_htcap);
 642                tlv += sizeof(struct mwifiex_ie_types_htcap);
 643        }
 644
 645        if (bss_cfg->wmm_info.qos_info != 0xFF) {
 646                wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
 647                wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
 648                wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
 649                memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
 650                       sizeof(wmm_cap->wmm_info));
 651                cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
 652                tlv += sizeof(struct mwifiex_ie_types_wmmcap);
 653        }
 654
 655        if (bss_cfg->sta_ao_timer) {
 656                ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
 657                ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
 658                ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
 659                                        sizeof(struct mwifiex_ie_types_header));
 660                ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
 661                cmd_size += sizeof(*ao_timer);
 662                tlv += sizeof(*ao_timer);
 663        }
 664
 665        if (bss_cfg->power_constraint) {
 666                pwr_ct = (void *)tlv;
 667                pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT);
 668                pwr_ct->header.len = cpu_to_le16(sizeof(u8));
 669                pwr_ct->constraint = bss_cfg->power_constraint;
 670                cmd_size += sizeof(*pwr_ct);
 671                tlv += sizeof(*pwr_ct);
 672        }
 673
 674        if (bss_cfg->ps_sta_ao_timer) {
 675                ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
 676                ps_ao_timer->header.type =
 677                                cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
 678                ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
 679                                sizeof(struct mwifiex_ie_types_header));
 680                ps_ao_timer->sta_ao_timer =
 681                                        cpu_to_le32(bss_cfg->ps_sta_ao_timer);
 682                cmd_size += sizeof(*ps_ao_timer);
 683                tlv += sizeof(*ps_ao_timer);
 684        }
 685
 686        *param_size = cmd_size;
 687
 688        return 0;
 689}
 690
 691/* This function parses custom IEs from IE list and prepares command buffer */
 692static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
 693{
 694        struct mwifiex_ie_list *ap_ie = cmd_buf;
 695        struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
 696
 697        if (!ap_ie || !ap_ie->len || !ap_ie->ie_list)
 698                return -1;
 699
 700        *ie_size += le16_to_cpu(ap_ie->len) +
 701                        sizeof(struct mwifiex_ie_types_header);
 702
 703        tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
 704        tlv_ie->len = ap_ie->len;
 705        tlv += sizeof(struct mwifiex_ie_types_header);
 706
 707        memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
 708
 709        return 0;
 710}
 711
 712/* Parse AP config structure and prepare TLV based command structure
 713 * to be sent to FW for uAP configuration
 714 */
 715static int
 716mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
 717                           u32 type, void *cmd_buf)
 718{
 719        u8 *tlv;
 720        u16 cmd_size, param_size, ie_size;
 721        struct host_cmd_ds_sys_config *sys_cfg;
 722
 723        cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
 724        cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
 725        sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
 726        sys_cfg->action = cpu_to_le16(cmd_action);
 727        tlv = sys_cfg->tlv;
 728
 729        switch (type) {
 730        case UAP_BSS_PARAMS_I:
 731                param_size = cmd_size;
 732                if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
 733                        return -1;
 734                cmd->size = cpu_to_le16(param_size);
 735                break;
 736        case UAP_CUSTOM_IE_I:
 737                ie_size = cmd_size;
 738                if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
 739                        return -1;
 740                cmd->size = cpu_to_le16(ie_size);
 741                break;
 742        default:
 743                return -1;
 744        }
 745
 746        return 0;
 747}
 748
 749/* This function prepares AP specific deauth command with mac supplied in
 750 * function parameter.
 751 */
 752static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
 753                                      struct host_cmd_ds_command *cmd, u8 *mac)
 754{
 755        struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
 756
 757        cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
 758        memcpy(sta_deauth->mac, mac, ETH_ALEN);
 759        sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
 760
 761        cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
 762                                S_DS_GEN);
 763        return 0;
 764}
 765
 766/* This function prepares the AP specific commands before sending them
 767 * to the firmware.
 768 * This is a generic function which calls specific command preparation
 769 * routines based upon the command number.
 770 */
 771int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
 772                            u16 cmd_action, u32 type,
 773                            void *data_buf, void *cmd_buf)
 774{
 775        struct host_cmd_ds_command *cmd = cmd_buf;
 776
 777        switch (cmd_no) {
 778        case HostCmd_CMD_UAP_SYS_CONFIG:
 779                if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
 780                        return -1;
 781                break;
 782        case HostCmd_CMD_UAP_BSS_START:
 783        case HostCmd_CMD_UAP_BSS_STOP:
 784        case HOST_CMD_APCMD_SYS_RESET:
 785        case HOST_CMD_APCMD_STA_LIST:
 786                cmd->command = cpu_to_le16(cmd_no);
 787                cmd->size = cpu_to_le16(S_DS_GEN);
 788                break;
 789        case HostCmd_CMD_UAP_STA_DEAUTH:
 790                if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
 791                        return -1;
 792                break;
 793        case HostCmd_CMD_CHAN_REPORT_REQUEST:
 794                if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
 795                                                          data_buf))
 796                        return -1;
 797                break;
 798        default:
 799                mwifiex_dbg(priv->adapter, ERROR,
 800                            "PREP_CMD: unknown cmd %#x\n", cmd_no);
 801                return -1;
 802        }
 803
 804        return 0;
 805}
 806
 807void mwifiex_uap_set_channel(struct mwifiex_private *priv,
 808                             struct mwifiex_uap_bss_param *bss_cfg,
 809                             struct cfg80211_chan_def chandef)
 810{
 811        u8 config_bands = 0, old_bands = priv->adapter->config_bands;
 812
 813        priv->bss_chandef = chandef;
 814
 815        bss_cfg->channel = ieee80211_frequency_to_channel(
 816                                                     chandef.chan->center_freq);
 817
 818        /* Set appropriate bands */
 819        if (chandef.chan->band == IEEE80211_BAND_2GHZ) {
 820                bss_cfg->band_cfg = BAND_CONFIG_BG;
 821                config_bands = BAND_B | BAND_G;
 822
 823                if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
 824                        config_bands |= BAND_GN;
 825        } else {
 826                bss_cfg->band_cfg = BAND_CONFIG_A;
 827                config_bands = BAND_A;
 828
 829                if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
 830                        config_bands |= BAND_AN;
 831
 832                if (chandef.width > NL80211_CHAN_WIDTH_40)
 833                        config_bands |= BAND_AAC;
 834        }
 835
 836        priv->adapter->config_bands = config_bands;
 837
 838        if (old_bands != config_bands) {
 839                mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
 840                mwifiex_dnld_txpwr_table(priv);
 841        }
 842}
 843
 844int mwifiex_config_start_uap(struct mwifiex_private *priv,
 845                             struct mwifiex_uap_bss_param *bss_cfg)
 846{
 847        enum state_11d_t state_11d;
 848
 849        if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
 850                             HostCmd_ACT_GEN_SET,
 851                             UAP_BSS_PARAMS_I, bss_cfg, false)) {
 852                mwifiex_dbg(priv->adapter, ERROR,
 853                            "Failed to set the SSID\n");
 854                return -1;
 855        }
 856
 857        /* Send cmd to FW to enable 11D function */
 858        state_11d = ENABLE_11D;
 859        if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
 860                             HostCmd_ACT_GEN_SET, DOT11D_I,
 861                             &state_11d, true)) {
 862                mwifiex_dbg(priv->adapter, ERROR,
 863                            "11D: failed to enable 11D\n");
 864                return -1;
 865        }
 866
 867        if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
 868                             HostCmd_ACT_GEN_SET, 0, NULL, false)) {
 869                mwifiex_dbg(priv->adapter, ERROR,
 870                            "Failed to start the BSS\n");
 871                return -1;
 872        }
 873
 874        if (priv->sec_info.wep_enabled)
 875                priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
 876        else
 877                priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
 878
 879        if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
 880                             HostCmd_ACT_GEN_SET, 0,
 881                             &priv->curr_pkt_filter, true))
 882                return -1;
 883
 884        return 0;
 885}
 886