Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / wireless / mwifiex / uap_cmd.c
diff --git a/kernel/drivers/net/wireless/mwifiex/uap_cmd.c b/kernel/drivers/net/wireless/mwifiex/uap_cmd.c
new file mode 100644 (file)
index 0000000..f5c2af0
--- /dev/null
@@ -0,0 +1,841 @@
+/*
+ * Marvell Wireless LAN device driver: AP specific command handling
+ *
+ * Copyright (C) 2012-2014, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License").  You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available by writing to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
+ * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+ * this warranty disclaimer.
+ */
+
+#include "main.h"
+#include "11ac.h"
+
+/* This function parses security related parameters from cfg80211_ap_settings
+ * and sets into FW understandable bss_config structure.
+ */
+int mwifiex_set_secure_params(struct mwifiex_private *priv,
+                             struct mwifiex_uap_bss_param *bss_config,
+                             struct cfg80211_ap_settings *params) {
+       int i;
+       struct mwifiex_wep_key wep_key;
+
+       if (!params->privacy) {
+               bss_config->protocol = PROTOCOL_NO_SECURITY;
+               bss_config->key_mgmt = KEY_MGMT_NONE;
+               bss_config->wpa_cfg.length = 0;
+               priv->sec_info.wep_enabled = 0;
+               priv->sec_info.wpa_enabled = 0;
+               priv->sec_info.wpa2_enabled = 0;
+
+               return 0;
+       }
+
+       switch (params->auth_type) {
+       case NL80211_AUTHTYPE_OPEN_SYSTEM:
+               bss_config->auth_mode = WLAN_AUTH_OPEN;
+               break;
+       case NL80211_AUTHTYPE_SHARED_KEY:
+               bss_config->auth_mode = WLAN_AUTH_SHARED_KEY;
+               break;
+       case NL80211_AUTHTYPE_NETWORK_EAP:
+               bss_config->auth_mode = WLAN_AUTH_LEAP;
+               break;
+       default:
+               bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO;
+               break;
+       }
+
+       bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST;
+
+       for (i = 0; i < params->crypto.n_akm_suites; i++) {
+               switch (params->crypto.akm_suites[i]) {
+               case WLAN_AKM_SUITE_8021X:
+                       if (params->crypto.wpa_versions &
+                           NL80211_WPA_VERSION_1) {
+                               bss_config->protocol = PROTOCOL_WPA;
+                               bss_config->key_mgmt = KEY_MGMT_EAP;
+                       }
+                       if (params->crypto.wpa_versions &
+                           NL80211_WPA_VERSION_2) {
+                               bss_config->protocol |= PROTOCOL_WPA2;
+                               bss_config->key_mgmt = KEY_MGMT_EAP;
+                       }
+                       break;
+               case WLAN_AKM_SUITE_PSK:
+                       if (params->crypto.wpa_versions &
+                           NL80211_WPA_VERSION_1) {
+                               bss_config->protocol = PROTOCOL_WPA;
+                               bss_config->key_mgmt = KEY_MGMT_PSK;
+                       }
+                       if (params->crypto.wpa_versions &
+                           NL80211_WPA_VERSION_2) {
+                               bss_config->protocol |= PROTOCOL_WPA2;
+                               bss_config->key_mgmt = KEY_MGMT_PSK;
+                       }
+                       break;
+               default:
+                       break;
+               }
+       }
+       for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) {
+               switch (params->crypto.ciphers_pairwise[i]) {
+               case WLAN_CIPHER_SUITE_WEP40:
+               case WLAN_CIPHER_SUITE_WEP104:
+                       break;
+               case WLAN_CIPHER_SUITE_TKIP:
+                       if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
+                               bss_config->wpa_cfg.pairwise_cipher_wpa |=
+                                                               CIPHER_TKIP;
+                       if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
+                               bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
+                                                               CIPHER_TKIP;
+                       break;
+               case WLAN_CIPHER_SUITE_CCMP:
+                       if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1)
+                               bss_config->wpa_cfg.pairwise_cipher_wpa |=
+                                                               CIPHER_AES_CCMP;
+                       if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
+                               bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
+                                                               CIPHER_AES_CCMP;
+               default:
+                       break;
+               }
+       }
+
+       switch (params->crypto.cipher_group) {
+       case WLAN_CIPHER_SUITE_WEP40:
+       case WLAN_CIPHER_SUITE_WEP104:
+               if (priv->sec_info.wep_enabled) {
+                       bss_config->protocol = PROTOCOL_STATIC_WEP;
+                       bss_config->key_mgmt = KEY_MGMT_NONE;
+                       bss_config->wpa_cfg.length = 0;
+
+                       for (i = 0; i < NUM_WEP_KEYS; i++) {
+                               wep_key = priv->wep_key[i];
+                               bss_config->wep_cfg[i].key_index = i;
+
+                               if (priv->wep_key_curr_index == i)
+                                       bss_config->wep_cfg[i].is_default = 1;
+                               else
+                                       bss_config->wep_cfg[i].is_default = 0;
+
+                               bss_config->wep_cfg[i].length =
+                                                            wep_key.key_length;
+                               memcpy(&bss_config->wep_cfg[i].key,
+                                      &wep_key.key_material,
+                                      wep_key.key_length);
+                       }
+               }
+               break;
+       case WLAN_CIPHER_SUITE_TKIP:
+               bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
+               break;
+       case WLAN_CIPHER_SUITE_CCMP:
+               bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP;
+               break;
+       default:
+               break;
+       }
+
+       return 0;
+}
+
+/* This function updates 11n related parameters from IE and sets them into
+ * bss_config structure.
+ */
+void
+mwifiex_set_ht_params(struct mwifiex_private *priv,
+                     struct mwifiex_uap_bss_param *bss_cfg,
+                     struct cfg80211_ap_settings *params)
+{
+       const u8 *ht_ie;
+       u16 cap_info;
+
+       if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
+               return;
+
+       ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
+                                params->beacon.tail_len);
+       if (ht_ie) {
+               memcpy(&bss_cfg->ht_cap, ht_ie,
+                      sizeof(struct ieee80211_ht_cap));
+               cap_info = le16_to_cpu(bss_cfg->ht_cap.cap_info);
+               memset(&bss_cfg->ht_cap.mcs, 0,
+                      priv->adapter->number_of_antenna);
+               switch (GET_RXSTBC(cap_info)) {
+               case MWIFIEX_RX_STBC1:
+                       /* HT_CAP 1X1 mode */
+                       bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
+                       break;
+               case MWIFIEX_RX_STBC12: /* fall through */
+               case MWIFIEX_RX_STBC123:
+                       /* HT_CAP 2X2 mode */
+                       bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
+                       bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff;
+                       break;
+               default:
+                       dev_warn(priv->adapter->dev,
+                                "Unsupported RX-STBC, default to 2x2\n");
+                       bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
+                       bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff;
+                       break;
+               }
+               priv->ap_11n_enabled = 1;
+       } else {
+               memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap));
+               bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
+               bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
+       }
+
+       return;
+}
+
+/* This function updates 11ac related parameters from IE
+ * and sets them into bss_config structure.
+ */
+void mwifiex_set_vht_params(struct mwifiex_private *priv,
+                           struct mwifiex_uap_bss_param *bss_cfg,
+                           struct cfg80211_ap_settings *params)
+{
+       const u8 *vht_ie;
+
+       vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail,
+                                 params->beacon.tail_len);
+       if (vht_ie) {
+               memcpy(&bss_cfg->vht_cap, vht_ie + 2,
+                      sizeof(struct ieee80211_vht_cap));
+               priv->ap_11ac_enabled = 1;
+       } else {
+               priv->ap_11ac_enabled = 0;
+       }
+
+       return;
+}
+
+/* Enable VHT only when cfg80211_ap_settings has VHT IE.
+ * Otherwise disable VHT.
+ */
+void mwifiex_set_vht_width(struct mwifiex_private *priv,
+                          enum nl80211_chan_width width,
+                          bool ap_11ac_enable)
+{
+       struct mwifiex_adapter *adapter = priv->adapter;
+       struct mwifiex_11ac_vht_cfg vht_cfg;
+
+       vht_cfg.band_config = VHT_CFG_5GHZ;
+       vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap;
+
+       if (!ap_11ac_enable) {
+               vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET;
+               vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET;
+       } else {
+               vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET;
+               vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET;
+       }
+
+       vht_cfg.misc_config  = VHT_CAP_UAP_ONLY;
+
+       if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80)
+               vht_cfg.misc_config |= VHT_BW_80_160_80P80;
+
+       mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG,
+                        HostCmd_ACT_GEN_SET, 0, &vht_cfg, true);
+
+       return;
+}
+
+/* This function finds supported rates IE from beacon parameter and sets
+ * these rates into bss_config structure.
+ */
+void
+mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
+                     struct cfg80211_ap_settings *params)
+{
+       struct ieee_types_header *rate_ie;
+       int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
+       const u8 *var_pos = params->beacon.head + var_offset;
+       int len = params->beacon.head_len - var_offset;
+       u8 rate_len = 0;
+
+       rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
+       if (rate_ie) {
+               memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
+               rate_len = rate_ie->len;
+       }
+
+       rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
+                                          params->beacon.tail,
+                                          params->beacon.tail_len);
+       if (rate_ie)
+               memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len);
+
+       return;
+}
+
+/* This function initializes some of mwifiex_uap_bss_param variables.
+ * This helps FW in ignoring invalid values. These values may or may not
+ * be get updated to valid ones at later stage.
+ */
+void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
+{
+       config->bcast_ssid_ctl = 0x7F;
+       config->radio_ctl = 0x7F;
+       config->dtim_period = 0x7F;
+       config->beacon_period = 0x7FFF;
+       config->auth_mode = 0x7F;
+       config->rts_threshold = 0x7FFF;
+       config->frag_threshold = 0x7FFF;
+       config->retry_limit = 0x7F;
+       config->qos_info = 0xFF;
+}
+
+/* This function parses BSS related parameters from structure
+ * and prepares TLVs specific to WPA/WPA2 security.
+ * These TLVs are appended to command buffer.
+ */
+static void
+mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
+{
+       struct host_cmd_tlv_pwk_cipher *pwk_cipher;
+       struct host_cmd_tlv_gwk_cipher *gwk_cipher;
+       struct host_cmd_tlv_passphrase *passphrase;
+       struct host_cmd_tlv_akmp *tlv_akmp;
+       struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
+       u16 cmd_size = *param_size;
+       u8 *tlv = *tlv_buf;
+
+       tlv_akmp = (struct host_cmd_tlv_akmp *)tlv;
+       tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP);
+       tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) -
+                                       sizeof(struct mwifiex_ie_types_header));
+       tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation);
+       tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt);
+       cmd_size += sizeof(struct host_cmd_tlv_akmp);
+       tlv += sizeof(struct host_cmd_tlv_akmp);
+
+       if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) {
+               pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
+               pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
+               pwk_cipher->header.len =
+                       cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
+                                   sizeof(struct mwifiex_ie_types_header));
+               pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA);
+               pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa;
+               cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
+               tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
+       }
+
+       if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) {
+               pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv;
+               pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER);
+               pwk_cipher->header.len =
+                       cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) -
+                                   sizeof(struct mwifiex_ie_types_header));
+               pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2);
+               pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2;
+               cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher);
+               tlv += sizeof(struct host_cmd_tlv_pwk_cipher);
+       }
+
+       if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) {
+               gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv;
+               gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER);
+               gwk_cipher->header.len =
+                       cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) -
+                                   sizeof(struct mwifiex_ie_types_header));
+               gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher;
+               cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher);
+               tlv += sizeof(struct host_cmd_tlv_gwk_cipher);
+       }
+
+       if (bss_cfg->wpa_cfg.length) {
+               passphrase = (struct host_cmd_tlv_passphrase *)tlv;
+               passphrase->header.type =
+                               cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE);
+               passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length);
+               memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase,
+                      bss_cfg->wpa_cfg.length);
+               cmd_size += sizeof(struct mwifiex_ie_types_header) +
+                           bss_cfg->wpa_cfg.length;
+               tlv += sizeof(struct mwifiex_ie_types_header) +
+                               bss_cfg->wpa_cfg.length;
+       }
+
+       *param_size = cmd_size;
+       *tlv_buf = tlv;
+
+       return;
+}
+
+/* This function parses WMM related parameters from cfg80211_ap_settings
+ * structure and updates bss_config structure.
+ */
+void
+mwifiex_set_wmm_params(struct mwifiex_private *priv,
+                      struct mwifiex_uap_bss_param *bss_cfg,
+                      struct cfg80211_ap_settings *params)
+{
+       const u8 *vendor_ie;
+       struct ieee_types_header *wmm_ie;
+       u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
+
+       vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
+                                           WLAN_OUI_TYPE_MICROSOFT_WMM,
+                                           params->beacon.tail,
+                                           params->beacon.tail_len);
+       if (vendor_ie) {
+               wmm_ie = (struct ieee_types_header *)vendor_ie;
+               memcpy(&bss_cfg->wmm_info, wmm_ie + 1,
+                      sizeof(bss_cfg->wmm_info));
+               priv->wmm_enabled = 1;
+       } else {
+               memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
+               memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
+               bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
+               bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
+               priv->wmm_enabled = 0;
+       }
+
+       bss_cfg->qos_info = 0x00;
+       return;
+}
+/* This function parses BSS related parameters from structure
+ * and prepares TLVs specific to WEP encryption.
+ * These TLVs are appended to command buffer.
+ */
+static void
+mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
+{
+       struct host_cmd_tlv_wep_key *wep_key;
+       u16 cmd_size = *param_size;
+       int i;
+       u8 *tlv = *tlv_buf;
+       struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
+
+       for (i = 0; i < NUM_WEP_KEYS; i++) {
+               if (bss_cfg->wep_cfg[i].length &&
+                   (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
+                    bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
+                       wep_key = (struct host_cmd_tlv_wep_key *)tlv;
+                       wep_key->header.type =
+                               cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
+                       wep_key->header.len =
+                               cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
+                       wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
+                       wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
+                       memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
+                              bss_cfg->wep_cfg[i].length);
+                       cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 +
+                                   bss_cfg->wep_cfg[i].length;
+                       tlv += sizeof(struct mwifiex_ie_types_header) + 2 +
+                                   bss_cfg->wep_cfg[i].length;
+               }
+       }
+
+       *param_size = cmd_size;
+       *tlv_buf = tlv;
+
+       return;
+}
+
+/* This function parses BSS related parameters from structure
+ * and prepares TLVs. These TLVs are appended to command buffer.
+*/
+static int
+mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
+{
+       struct host_cmd_tlv_dtim_period *dtim_period;
+       struct host_cmd_tlv_beacon_period *beacon_period;
+       struct host_cmd_tlv_ssid *ssid;
+       struct host_cmd_tlv_bcast_ssid *bcast_ssid;
+       struct host_cmd_tlv_channel_band *chan_band;
+       struct host_cmd_tlv_frag_threshold *frag_threshold;
+       struct host_cmd_tlv_rts_threshold *rts_threshold;
+       struct host_cmd_tlv_retry_limit *retry_limit;
+       struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
+       struct host_cmd_tlv_auth_type *auth_type;
+       struct host_cmd_tlv_rates *tlv_rates;
+       struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
+       struct mwifiex_ie_types_htcap *htcap;
+       struct mwifiex_ie_types_wmmcap *wmm_cap;
+       struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
+       int i;
+       u16 cmd_size = *param_size;
+
+       if (bss_cfg->ssid.ssid_len) {
+               ssid = (struct host_cmd_tlv_ssid *)tlv;
+               ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID);
+               ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len);
+               memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len);
+               cmd_size += sizeof(struct mwifiex_ie_types_header) +
+                           bss_cfg->ssid.ssid_len;
+               tlv += sizeof(struct mwifiex_ie_types_header) +
+                               bss_cfg->ssid.ssid_len;
+
+               bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv;
+               bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID);
+               bcast_ssid->header.len =
+                               cpu_to_le16(sizeof(bcast_ssid->bcast_ctl));
+               bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl;
+               cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
+               tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
+       }
+       if (bss_cfg->rates[0]) {
+               tlv_rates = (struct host_cmd_tlv_rates *)tlv;
+               tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
+
+               for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
+                    i++)
+                       tlv_rates->rates[i] = bss_cfg->rates[i];
+
+               tlv_rates->header.len = cpu_to_le16(i);
+               cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
+               tlv += sizeof(struct host_cmd_tlv_rates) + i;
+       }
+       if (bss_cfg->channel &&
+           ((bss_cfg->band_cfg == BAND_CONFIG_BG &&
+             bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
+           (bss_cfg->band_cfg == BAND_CONFIG_A &&
+            bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
+               chan_band = (struct host_cmd_tlv_channel_band *)tlv;
+               chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
+               chan_band->header.len =
+                       cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) -
+                                   sizeof(struct mwifiex_ie_types_header));
+               chan_band->band_config = bss_cfg->band_cfg;
+               chan_band->channel = bss_cfg->channel;
+               cmd_size += sizeof(struct host_cmd_tlv_channel_band);
+               tlv += sizeof(struct host_cmd_tlv_channel_band);
+       }
+       if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD &&
+           bss_cfg->beacon_period <= MAX_BEACON_PERIOD) {
+               beacon_period = (struct host_cmd_tlv_beacon_period *)tlv;
+               beacon_period->header.type =
+                                       cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD);
+               beacon_period->header.len =
+                       cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) -
+                                   sizeof(struct mwifiex_ie_types_header));
+               beacon_period->period = cpu_to_le16(bss_cfg->beacon_period);
+               cmd_size += sizeof(struct host_cmd_tlv_beacon_period);
+               tlv += sizeof(struct host_cmd_tlv_beacon_period);
+       }
+       if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD &&
+           bss_cfg->dtim_period <= MAX_DTIM_PERIOD) {
+               dtim_period = (struct host_cmd_tlv_dtim_period *)tlv;
+               dtim_period->header.type =
+                       cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD);
+               dtim_period->header.len =
+                       cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) -
+                                   sizeof(struct mwifiex_ie_types_header));
+               dtim_period->period = bss_cfg->dtim_period;
+               cmd_size += sizeof(struct host_cmd_tlv_dtim_period);
+               tlv += sizeof(struct host_cmd_tlv_dtim_period);
+       }
+       if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) {
+               rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv;
+               rts_threshold->header.type =
+                                       cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD);
+               rts_threshold->header.len =
+                       cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) -
+                                   sizeof(struct mwifiex_ie_types_header));
+               rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold);
+               cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
+               tlv += sizeof(struct host_cmd_tlv_frag_threshold);
+       }
+       if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) &&
+           (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) {
+               frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv;
+               frag_threshold->header.type =
+                               cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD);
+               frag_threshold->header.len =
+                       cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) -
+                                   sizeof(struct mwifiex_ie_types_header));
+               frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold);
+               cmd_size += sizeof(struct host_cmd_tlv_frag_threshold);
+               tlv += sizeof(struct host_cmd_tlv_frag_threshold);
+       }
+       if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) {
+               retry_limit = (struct host_cmd_tlv_retry_limit *)tlv;
+               retry_limit->header.type =
+                       cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT);
+               retry_limit->header.len =
+                       cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) -
+                                   sizeof(struct mwifiex_ie_types_header));
+               retry_limit->limit = (u8)bss_cfg->retry_limit;
+               cmd_size += sizeof(struct host_cmd_tlv_retry_limit);
+               tlv += sizeof(struct host_cmd_tlv_retry_limit);
+       }
+       if ((bss_cfg->protocol & PROTOCOL_WPA) ||
+           (bss_cfg->protocol & PROTOCOL_WPA2) ||
+           (bss_cfg->protocol & PROTOCOL_EAP))
+               mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
+       else
+               mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
+
+       if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
+           (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
+               auth_type = (struct host_cmd_tlv_auth_type *)tlv;
+               auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
+               auth_type->header.len =
+                       cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) -
+                       sizeof(struct mwifiex_ie_types_header));
+               auth_type->auth_type = (u8)bss_cfg->auth_mode;
+               cmd_size += sizeof(struct host_cmd_tlv_auth_type);
+               tlv += sizeof(struct host_cmd_tlv_auth_type);
+       }
+       if (bss_cfg->protocol) {
+               encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv;
+               encrypt_protocol->header.type =
+                       cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL);
+               encrypt_protocol->header.len =
+                       cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol)
+                       - sizeof(struct mwifiex_ie_types_header));
+               encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol);
+               cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol);
+               tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
+       }
+
+       if (bss_cfg->ht_cap.cap_info) {
+               htcap = (struct mwifiex_ie_types_htcap *)tlv;
+               htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
+               htcap->header.len =
+                               cpu_to_le16(sizeof(struct ieee80211_ht_cap));
+               htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
+               htcap->ht_cap.ampdu_params_info =
+                                            bss_cfg->ht_cap.ampdu_params_info;
+               memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
+                      sizeof(struct ieee80211_mcs_info));
+               htcap->ht_cap.extended_ht_cap_info =
+                                       bss_cfg->ht_cap.extended_ht_cap_info;
+               htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
+               htcap->ht_cap.antenna_selection_info =
+                                       bss_cfg->ht_cap.antenna_selection_info;
+               cmd_size += sizeof(struct mwifiex_ie_types_htcap);
+               tlv += sizeof(struct mwifiex_ie_types_htcap);
+       }
+
+       if (bss_cfg->wmm_info.qos_info != 0xFF) {
+               wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
+               wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
+               wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
+               memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
+                      sizeof(wmm_cap->wmm_info));
+               cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
+               tlv += sizeof(struct mwifiex_ie_types_wmmcap);
+       }
+
+       if (bss_cfg->sta_ao_timer) {
+               ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
+               ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
+               ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) -
+                                       sizeof(struct mwifiex_ie_types_header));
+               ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
+               cmd_size += sizeof(*ao_timer);
+               tlv += sizeof(*ao_timer);
+       }
+
+       if (bss_cfg->ps_sta_ao_timer) {
+               ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
+               ps_ao_timer->header.type =
+                               cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
+               ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) -
+                               sizeof(struct mwifiex_ie_types_header));
+               ps_ao_timer->sta_ao_timer =
+                                       cpu_to_le32(bss_cfg->ps_sta_ao_timer);
+               cmd_size += sizeof(*ps_ao_timer);
+               tlv += sizeof(*ps_ao_timer);
+       }
+
+       *param_size = cmd_size;
+
+       return 0;
+}
+
+/* This function parses custom IEs from IE list and prepares command buffer */
+static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
+{
+       struct mwifiex_ie_list *ap_ie = cmd_buf;
+       struct mwifiex_ie_types_header *tlv_ie = (void *)tlv;
+
+       if (!ap_ie || !ap_ie->len || !ap_ie->ie_list)
+               return -1;
+
+       *ie_size += le16_to_cpu(ap_ie->len) +
+                       sizeof(struct mwifiex_ie_types_header);
+
+       tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE);
+       tlv_ie->len = ap_ie->len;
+       tlv += sizeof(struct mwifiex_ie_types_header);
+
+       memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len));
+
+       return 0;
+}
+
+/* Parse AP config structure and prepare TLV based command structure
+ * to be sent to FW for uAP configuration
+ */
+static int
+mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
+                          u32 type, void *cmd_buf)
+{
+       u8 *tlv;
+       u16 cmd_size, param_size, ie_size;
+       struct host_cmd_ds_sys_config *sys_cfg;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG);
+       cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN);
+       sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config;
+       sys_cfg->action = cpu_to_le16(cmd_action);
+       tlv = sys_cfg->tlv;
+
+       switch (type) {
+       case UAP_BSS_PARAMS_I:
+               param_size = cmd_size;
+               if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, &param_size))
+                       return -1;
+               cmd->size = cpu_to_le16(param_size);
+               break;
+       case UAP_CUSTOM_IE_I:
+               ie_size = cmd_size;
+               if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size))
+                       return -1;
+               cmd->size = cpu_to_le16(ie_size);
+               break;
+       default:
+               return -1;
+       }
+
+       return 0;
+}
+
+/* This function prepares AP specific deauth command with mac supplied in
+ * function parameter.
+ */
+static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
+                                     struct host_cmd_ds_command *cmd, u8 *mac)
+{
+       struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH);
+       memcpy(sta_deauth->mac, mac, ETH_ALEN);
+       sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
+
+       cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) +
+                               S_DS_GEN);
+       return 0;
+}
+
+/* This function prepares the AP specific commands before sending them
+ * to the firmware.
+ * This is a generic function which calls specific command preparation
+ * routines based upon the command number.
+ */
+int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
+                           u16 cmd_action, u32 type,
+                           void *data_buf, void *cmd_buf)
+{
+       struct host_cmd_ds_command *cmd = cmd_buf;
+
+       switch (cmd_no) {
+       case HostCmd_CMD_UAP_SYS_CONFIG:
+               if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf))
+                       return -1;
+               break;
+       case HostCmd_CMD_UAP_BSS_START:
+       case HostCmd_CMD_UAP_BSS_STOP:
+               cmd->command = cpu_to_le16(cmd_no);
+               cmd->size = cpu_to_le16(S_DS_GEN);
+               break;
+       case HostCmd_CMD_UAP_STA_DEAUTH:
+               if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf))
+                       return -1;
+               break;
+       case HostCmd_CMD_CHAN_REPORT_REQUEST:
+               if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf,
+                                                         data_buf))
+                       return -1;
+               break;
+       default:
+               dev_err(priv->adapter->dev,
+                       "PREP_CMD: unknown cmd %#x\n", cmd_no);
+               return -1;
+       }
+
+       return 0;
+}
+
+void mwifiex_uap_set_channel(struct mwifiex_uap_bss_param *bss_cfg,
+                            struct cfg80211_chan_def chandef)
+{
+       u8 config_bands = 0;
+
+       bss_cfg->channel = ieee80211_frequency_to_channel(
+                                                    chandef.chan->center_freq);
+
+       /* Set appropriate bands */
+       if (chandef.chan->band == IEEE80211_BAND_2GHZ) {
+               bss_cfg->band_cfg = BAND_CONFIG_BG;
+               config_bands = BAND_B | BAND_G;
+
+               if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
+                       config_bands |= BAND_GN;
+       } else {
+               bss_cfg->band_cfg = BAND_CONFIG_A;
+               config_bands = BAND_A;
+
+               if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
+                       config_bands |= BAND_AN;
+
+               if (chandef.width > NL80211_CHAN_WIDTH_40)
+                       config_bands |= BAND_AAC;
+       }
+}
+
+int mwifiex_config_start_uap(struct mwifiex_private *priv,
+                            struct mwifiex_uap_bss_param *bss_cfg)
+{
+       if (mwifiex_del_mgmt_ies(priv))
+               dev_err(priv->adapter->dev, "Failed to delete mgmt IEs!\n");
+
+       if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
+                            HostCmd_ACT_GEN_SET, 0, NULL, true)) {
+               dev_err(priv->adapter->dev, "Failed to stop the BSS\n");
+               return -1;
+       }
+
+       if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
+                            HostCmd_ACT_GEN_SET,
+                            UAP_BSS_PARAMS_I, bss_cfg, false)) {
+               dev_err(priv->adapter->dev, "Failed to set the SSID\n");
+               return -1;
+       }
+
+       if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
+                            HostCmd_ACT_GEN_SET, 0, NULL, false)) {
+               dev_err(priv->adapter->dev, "Failed to start the BSS\n");
+               return -1;
+       }
+
+       if (priv->sec_info.wep_enabled)
+               priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
+       else
+               priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
+
+       if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
+                            HostCmd_ACT_GEN_SET, 0,
+                            &priv->curr_pkt_filter, true))
+               return -1;
+
+       return 0;
+}