linux/drivers/net/wireless/marvell/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#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 */
  27int 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 */
 157void
 158mwifiex_set_ht_params(struct mwifiex_private *priv,
 159                      struct mwifiex_uap_bss_param *bss_cfg,
 160                      struct cfg80211_ap_settings *params)
 161{
 162        const u8 *ht_ie;
 163
 164        if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
 165                return;
 166
 167        ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
 168                                 params->beacon.tail_len);
 169        if (ht_ie) {
 170                memcpy(&bss_cfg->ht_cap, ht_ie + 2,
 171                       sizeof(struct ieee80211_ht_cap));
 172                priv->ap_11n_enabled = 1;
 173        } else {
 174                memset(&bss_cfg->ht_cap, 0, sizeof(struct ieee80211_ht_cap));
 175                bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
 176                bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
 177        }
 178
 179        return;
 180}
 181
 182/* This function updates 11ac related parameters from IE
 183 * and sets them into bss_config structure.
 184 */
 185void mwifiex_set_vht_params(struct mwifiex_private *priv,
 186                            struct mwifiex_uap_bss_param *bss_cfg,
 187                            struct cfg80211_ap_settings *params)
 188{
 189        const u8 *vht_ie;
 190
 191        vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
 192                                  params->beacon.tail_len);
 193        if (vht_ie) {
 194                memcpy(&bss_cfg->vht_cap, vht_ie + 2,
 195                       sizeof(struct ieee80211_vht_cap));
 196                priv->ap_11ac_enabled = 1;
 197        } else {
 198                priv->ap_11ac_enabled = 0;
 199        }
 200
 201        return;
 202}
 203
 204/* This function updates 11ac related parameters from IE
 205 * and sets them into bss_config structure.
 206 */
 207void mwifiex_set_tpc_params(struct mwifiex_private *priv,
 208                            struct mwifiex_uap_bss_param *bss_cfg,
 209                            struct cfg80211_ap_settings *params)
 210{
 211        const u8 *tpc_ie;
 212
 213        tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail,
 214                                  params->beacon.tail_len);
 215        if (tpc_ie)
 216                bss_cfg->power_constraint = *(tpc_ie + 2);
 217        else
 218                bss_cfg->power_constraint = 0;
 219}
 220
 221/* Enable VHT only when cfg80211_ap_settings has VHT IE.
 222 * Otherwise disable VHT.
 223 */
 224void mwifiex_set_vht_width(struct mwifiex_private *priv,
 225                           enum nl80211_chan_width width,
 226                           bool ap_11ac_enable)
 227{
 228        struct mwifiex_adapter *adapter = priv->adapter;
 229        struct mwifiex_11ac_vht_cfg vht_cfg;
 230
 231        vht_cfg.band_config = VHT_CFG_5GHZ;
 232        vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
 233
 234        if (!ap_11ac_enable) {
 235                vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
 236                vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
 237        } else {
 238                vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
 239                vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
 240        }
 241
 242        vht_cfg.misc_config  = VHT_CAP_UAP_ONLY;
 243
 244        if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
 245                vht_cfg.misc_config |= VHT_BW_80_160_80P80;
 246
 247        mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG,
 248                         HostCmd_ACT_GEN_SET, 0, &vht_cfg, true);
 249
 250        return;
 251}
 252
 253/* This function finds supported rates IE from beacon parameter and sets
 254 * these rates into bss_config structure.
 255 */
 256void
 257mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
 258                      struct cfg80211_ap_settings *params)
 259{
 260        struct ieee_types_header *rate_ie;
 261        int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
 262        const u8 *var_pos = params->beacon.head + var_offset;
 263        int len = params->beacon.head_len - var_offset;
 264        u8 rate_len = 0;
 265
 266        rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
 267        if (rate_ie) {
 268                memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
 269                rate_len = rate_ie->len;
 270        }
 271
 272        rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
 273                                           params->beacon.tail,
 274                                           params->beacon.tail_len);
 275        if (rate_ie)
 276                memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
 277
 278        return;
 279}
 280
 281/* This function initializes some of mwifiex_uap_bss_param variables.
 282 * This helps FW in ignoring invalid values. These values may or may not
 283 * be get updated to valid ones at later stage.
 284 */
 285void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
 286{
 287        config->bcast_ssid_ctl = 0x7F;
 288        config->radio_ctl = 0x7F;
 289        config->dtim_period = 0x7F;
 290        config->beacon_period = 0x7FFF;
 291        config->auth_mode = 0x7F;
 292        config->rts_threshold = 0x7FFF;
 293        config->frag_threshold = 0x7FFF;
 294        config->retry_limit = 0x7F;
 295        config->qos_info = 0xFF;
 296}
 297
 298/* This function parses BSS related parameters from structure
 299 * and prepares TLVs specific to WPA/WPA2 security.
 300 * These TLVs are appended to command buffer.
 301 */
 302static void
 303mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 304{
 305        struct host_cmd_tlv_pwk_cipher *pwk_cipher;
 306        struct host_cmd_tlv_gwk_cipher *gwk_cipher;
 307        struct host_cmd_tlv_passphrase *passphrase;
 308        struct host_cmd_tlv_akmp *tlv_akmp;
 309        struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 310        u16 cmd_size = *param_size;
 311        u8 *tlv = *tlv_buf;
 312
 313        tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
 314        tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
 315        tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
 316                                        sizeof(struct mwifiex_ie_types_header));
 317        tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
 318        tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
 319        cmd_size += sizeof(struct host_cmd_tlv_akmp);
 320        tlv += sizeof(struct host_cmd_tlv_akmp);
 321
 322        if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
 323                pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 324                pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 325                pwk_cipher->header.len =
 326                        cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 327                                    sizeof(struct mwifiex_ie_types_header));
 328                pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
 329                pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
 330                cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 331                tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 332        }
 333
 334        if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
 335                pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
 336                pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
 337                pwk_cipher->header.len =
 338                        cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
 339                                    sizeof(struct mwifiex_ie_types_header));
 340                pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
 341                pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
 342                cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
 343                tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
 344        }
 345
 346        if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
 347                gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
 348                gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
 349                gwk_cipher->header.len =
 350                        cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
 351                                    sizeof(struct mwifiex_ie_types_header));
 352                gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
 353                cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
 354                tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
 355        }
 356
 357        if (bss_cfg->wpa_cfg.length) {
 358                passphrase = (struct host_cmd_tlv_passphrase *)tlv;
 359                passphrase->header.type =
 360                                cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
 361                passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
 362                memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
 363                       bss_cfg->wpa_cfg.length);
 364                cmd_size += sizeof(struct mwifiex_ie_types_header) +
 365                            bss_cfg->wpa_cfg.length;
 366                tlv += sizeof(struct mwifiex_ie_types_header) +
 367                                bss_cfg->wpa_cfg.length;
 368        }
 369
 370        *param_size = cmd_size;
 371        *tlv_buf = tlv;
 372
 373        return;
 374}
 375
 376/* This function parses WMM related parameters from cfg80211_ap_settings
 377 * structure and updates bss_config structure.
 378 */
 379void
 380mwifiex_set_wmm_params(struct mwifiex_private *priv,
 381                       struct mwifiex_uap_bss_param *bss_cfg,
 382                       struct cfg80211_ap_settings *params)
 383{
 384        const u8 *vendor_ie;
 385        const u8 *wmm_ie;
 386        u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
 387
 388        vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 389                                            WLAN_OUI_TYPE_MICROSOFT_WMM,
 390                                            params->beacon.tail,
 391                                            params->beacon.tail_len);
 392        if (vendor_ie) {
 393                wmm_ie = vendor_ie;
 394                memcpy(&bss_cfg->wmm_info, wmm_ie +
 395                       sizeof(struct ieee_types_header), *(wmm_ie + 1));
 396                priv->wmm_enabled = 1;
 397        } else {
 398                memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
 399                memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
 400                bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
 401                bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
 402                priv->wmm_enabled = 0;
 403        }
 404
 405        bss_cfg->qos_info = 0x00;
 406        return;
 407}
 408/* This function parses BSS related parameters from structure
 409 * and prepares TLVs specific to WEP encryption.
 410 * These TLVs are appended to command buffer.
 411 */
 412static void
 413mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
 414{
 415        struct host_cmd_tlv_wep_key *wep_key;
 416        u16 cmd_size = *param_size;
 417        int i;
 418        u8 *tlv = *tlv_buf;
 419        struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
 420
 421        for (i = 0; i < NUM_WEP_KEYS; i++) {
 422                if (bss_cfg->wep_cfg[i].length &&
 423                    (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
 424                     bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
 425                        wep_key = (struct host_cmd_tlv_wep_key *)tlv;
 426                        wep_key->header.type =
 427                                cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
 428                        wep_key->header.len =
 429                                cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
 430                        wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
 431                        wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
 432                        memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
 433                               bss_cfg->wep_cfg[i].length);
 434                        cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
 435                                    bss_cfg->wep_cfg[i].length;
 436                        tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
 437                                    bss_cfg->wep_cfg[i].length;
 438                }
 439        }
 440
 441        *param_size = cmd_size;
 442        *tlv_buf = tlv;
 443
 444        return;
 445}
 446
 447/* This function enable 11D if userspace set the country IE.
 448 */
 449void mwifiex_config_uap_11d(struct mwifiex_private *priv,
 450                            struct cfg80211_beacon_data *beacon_data)
 451{
 452        enum state_11d_t state_11d;
 453        const u8 *country_ie;
 454
 455        country_ie = cfg80211_find_ie(WLAN_EID_COUNTRY, beacon_data->tail,
 456                                      beacon_data->tail_len);
 457        if (country_ie) {
 458                /* Send cmd to FW to enable 11D function */
 459                state_11d = ENABLE_11D;
 460                if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
 461                                     HostCmd_ACT_GEN_SET, DOT11D_I,
 462                                     &state_11d, true)) {
 463                        mwifiex_dbg(priv->adapter, ERROR,
 464                                    "11D: failed to enable 11D\n");
 465                }
 466        }
 467}
 468
 469/* This function parses BSS related parameters from structure
 470 * and prepares TLVs. These TLVs are appended to command buffer.
 471*/
 472static int
 473mwifiex_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 */
 693static 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 */
 716static int
 717mwifiex_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 */
 753static 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 */
 772int 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
 808void 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
 870int mwifiex_config_start_uap(struct mwifiex_private *priv,
 871                             struct mwifiex_uap_bss_param *bss_cfg)
 872{
 873        if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
 874                             HostCmd_ACT_GEN_SET,
 875                             UAP_BSS_PARAMS_I, bss_cfg, true)) {
 876                mwifiex_dbg(priv->adapter, ERROR,
 877                            "Failed to set AP configuration\n");
 878                return -1;
 879        }
 880
 881        if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
 882                             HostCmd_ACT_GEN_SET, 0, NULL, true)) {
 883                mwifiex_dbg(priv->adapter, ERROR,
 884                            "Failed to start the BSS\n");
 885                return -1;
 886        }
 887
 888        if (priv->sec_info.wep_enabled)
 889                priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
 890        else
 891                priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
 892
 893        if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
 894                             HostCmd_ACT_GEN_SET, 0,
 895                             &priv->curr_pkt_filter, true))
 896                return -1;
 897
 898        return 0;
 899}
 900