Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / wireless / mwifiex / sta_cmd.c
diff --git a/kernel/drivers/net/wireless/mwifiex/sta_cmd.c b/kernel/drivers/net/wireless/mwifiex/sta_cmd.c
new file mode 100644 (file)
index 0000000..49422f2
--- /dev/null
@@ -0,0 +1,2129 @@
+/*
+ * Marvell Wireless LAN device driver: station command handling
+ *
+ * Copyright (C) 2011-2014, 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 "decl.h"
+#include "ioctl.h"
+#include "util.h"
+#include "fw.h"
+#include "main.h"
+#include "wmm.h"
+#include "11n.h"
+#include "11ac.h"
+
+static bool disable_auto_ds;
+module_param(disable_auto_ds, bool, 0);
+MODULE_PARM_DESC(disable_auto_ds,
+                "deepsleep enabled=0(default), deepsleep disabled=1");
+/*
+ * This function prepares command to set/get RSSI information.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting data/beacon average factors
+ *      - Resetting SNR/NF/RSSI values in private structure
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_802_11_rssi_info(struct mwifiex_private *priv,
+                            struct host_cmd_ds_command *cmd, u16 cmd_action)
+{
+       cmd->command = cpu_to_le16(HostCmd_CMD_RSSI_INFO);
+       cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rssi_info) +
+                               S_DS_GEN);
+       cmd->params.rssi_info.action = cpu_to_le16(cmd_action);
+       cmd->params.rssi_info.ndata = cpu_to_le16(priv->data_avg_factor);
+       cmd->params.rssi_info.nbcn = cpu_to_le16(priv->bcn_avg_factor);
+
+       /* Reset SNR/NF/RSSI values in private structure */
+       priv->data_rssi_last = 0;
+       priv->data_nf_last = 0;
+       priv->data_rssi_avg = 0;
+       priv->data_nf_avg = 0;
+       priv->bcn_rssi_last = 0;
+       priv->bcn_nf_last = 0;
+       priv->bcn_rssi_avg = 0;
+       priv->bcn_nf_avg = 0;
+
+       return 0;
+}
+
+/*
+ * This function prepares command to set MAC control.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_mac_control(struct mwifiex_private *priv,
+                                  struct host_cmd_ds_command *cmd,
+                                  u16 cmd_action, u16 *action)
+{
+       struct host_cmd_ds_mac_control *mac_ctrl = &cmd->params.mac_ctrl;
+
+       if (cmd_action != HostCmd_ACT_GEN_SET) {
+               dev_err(priv->adapter->dev,
+                       "mac_control: only support set cmd\n");
+               return -1;
+       }
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_MAC_CONTROL);
+       cmd->size =
+               cpu_to_le16(sizeof(struct host_cmd_ds_mac_control) + S_DS_GEN);
+       mac_ctrl->action = cpu_to_le16(*action);
+
+       return 0;
+}
+
+/*
+ * This function prepares command to set/get SNMP MIB.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting SNMP MIB OID number and value
+ *        (as required)
+ *      - Ensuring correct endian-ness
+ *
+ * The following SNMP MIB OIDs are supported -
+ *      - FRAG_THRESH_I     : Fragmentation threshold
+ *      - RTS_THRESH_I      : RTS threshold
+ *      - SHORT_RETRY_LIM_I : Short retry limit
+ *      - DOT11D_I          : 11d support
+ */
+static int mwifiex_cmd_802_11_snmp_mib(struct mwifiex_private *priv,
+                                      struct host_cmd_ds_command *cmd,
+                                      u16 cmd_action, u32 cmd_oid,
+                                      u16 *ul_temp)
+{
+       struct host_cmd_ds_802_11_snmp_mib *snmp_mib = &cmd->params.smib;
+
+       dev_dbg(priv->adapter->dev, "cmd: SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
+       cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SNMP_MIB);
+       cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_snmp_mib)
+                               - 1 + S_DS_GEN);
+
+       snmp_mib->oid = cpu_to_le16((u16)cmd_oid);
+       if (cmd_action == HostCmd_ACT_GEN_GET) {
+               snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_GET);
+               snmp_mib->buf_size = cpu_to_le16(MAX_SNMP_BUF_SIZE);
+               le16_add_cpu(&cmd->size, MAX_SNMP_BUF_SIZE);
+       } else if (cmd_action == HostCmd_ACT_GEN_SET) {
+               snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_SET);
+               snmp_mib->buf_size = cpu_to_le16(sizeof(u16));
+               *((__le16 *) (snmp_mib->value)) = cpu_to_le16(*ul_temp);
+               le16_add_cpu(&cmd->size, sizeof(u16));
+       }
+
+       dev_dbg(priv->adapter->dev,
+               "cmd: SNMP_CMD: Action=0x%x, OID=0x%x, OIDSize=0x%x,"
+               " Value=0x%x\n",
+               cmd_action, cmd_oid, le16_to_cpu(snmp_mib->buf_size),
+               le16_to_cpu(*(__le16 *) snmp_mib->value));
+       return 0;
+}
+
+/*
+ * This function prepares command to get log.
+ *
+ * Preparation includes -
+ *      - Setting command ID and proper size
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_802_11_get_log(struct host_cmd_ds_command *cmd)
+{
+       cmd->command = cpu_to_le16(HostCmd_CMD_802_11_GET_LOG);
+       cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_get_log) +
+                               S_DS_GEN);
+       return 0;
+}
+
+/*
+ * This function prepares command to set/get Tx data rate configuration.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting configuration index, rate scope and rate drop pattern
+ *        parameters (as required)
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_tx_rate_cfg(struct mwifiex_private *priv,
+                                  struct host_cmd_ds_command *cmd,
+                                  u16 cmd_action, u16 *pbitmap_rates)
+{
+       struct host_cmd_ds_tx_rate_cfg *rate_cfg = &cmd->params.tx_rate_cfg;
+       struct mwifiex_rate_scope *rate_scope;
+       struct mwifiex_rate_drop_pattern *rate_drop;
+       u32 i;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_TX_RATE_CFG);
+
+       rate_cfg->action = cpu_to_le16(cmd_action);
+       rate_cfg->cfg_index = 0;
+
+       rate_scope = (struct mwifiex_rate_scope *) ((u8 *) rate_cfg +
+                     sizeof(struct host_cmd_ds_tx_rate_cfg));
+       rate_scope->type = cpu_to_le16(TLV_TYPE_RATE_SCOPE);
+       rate_scope->length = cpu_to_le16
+               (sizeof(*rate_scope) - sizeof(struct mwifiex_ie_types_header));
+       if (pbitmap_rates != NULL) {
+               rate_scope->hr_dsss_rate_bitmap = cpu_to_le16(pbitmap_rates[0]);
+               rate_scope->ofdm_rate_bitmap = cpu_to_le16(pbitmap_rates[1]);
+               for (i = 0;
+                    i < sizeof(rate_scope->ht_mcs_rate_bitmap) / sizeof(u16);
+                    i++)
+                       rate_scope->ht_mcs_rate_bitmap[i] =
+                               cpu_to_le16(pbitmap_rates[2 + i]);
+               if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
+                       for (i = 0;
+                            i < ARRAY_SIZE(rate_scope->vht_mcs_rate_bitmap);
+                            i++)
+                               rate_scope->vht_mcs_rate_bitmap[i] =
+                                       cpu_to_le16(pbitmap_rates[10 + i]);
+               }
+       } else {
+               rate_scope->hr_dsss_rate_bitmap =
+                       cpu_to_le16(priv->bitmap_rates[0]);
+               rate_scope->ofdm_rate_bitmap =
+                       cpu_to_le16(priv->bitmap_rates[1]);
+               for (i = 0;
+                    i < sizeof(rate_scope->ht_mcs_rate_bitmap) / sizeof(u16);
+                    i++)
+                       rate_scope->ht_mcs_rate_bitmap[i] =
+                               cpu_to_le16(priv->bitmap_rates[2 + i]);
+               if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
+                       for (i = 0;
+                            i < ARRAY_SIZE(rate_scope->vht_mcs_rate_bitmap);
+                            i++)
+                               rate_scope->vht_mcs_rate_bitmap[i] =
+                                       cpu_to_le16(priv->bitmap_rates[10 + i]);
+               }
+       }
+
+       rate_drop = (struct mwifiex_rate_drop_pattern *) ((u8 *) rate_scope +
+                                            sizeof(struct mwifiex_rate_scope));
+       rate_drop->type = cpu_to_le16(TLV_TYPE_RATE_DROP_CONTROL);
+       rate_drop->length = cpu_to_le16(sizeof(rate_drop->rate_drop_mode));
+       rate_drop->rate_drop_mode = 0;
+
+       cmd->size =
+               cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_tx_rate_cfg) +
+                           sizeof(struct mwifiex_rate_scope) +
+                           sizeof(struct mwifiex_rate_drop_pattern));
+
+       return 0;
+}
+
+/*
+ * This function prepares command to set/get Tx power configuration.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting Tx power mode, power group TLV
+ *        (as required)
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_tx_power_cfg(struct host_cmd_ds_command *cmd,
+                                   u16 cmd_action,
+                                   struct host_cmd_ds_txpwr_cfg *txp)
+{
+       struct mwifiex_types_power_group *pg_tlv;
+       struct host_cmd_ds_txpwr_cfg *cmd_txp_cfg = &cmd->params.txp_cfg;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_TXPWR_CFG);
+       cmd->size =
+               cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_txpwr_cfg));
+       switch (cmd_action) {
+       case HostCmd_ACT_GEN_SET:
+               if (txp->mode) {
+                       pg_tlv = (struct mwifiex_types_power_group
+                                 *) ((unsigned long) txp +
+                                    sizeof(struct host_cmd_ds_txpwr_cfg));
+                       memmove(cmd_txp_cfg, txp,
+                               sizeof(struct host_cmd_ds_txpwr_cfg) +
+                               sizeof(struct mwifiex_types_power_group) +
+                               le16_to_cpu(pg_tlv->length));
+
+                       pg_tlv = (struct mwifiex_types_power_group *) ((u8 *)
+                                 cmd_txp_cfg +
+                                 sizeof(struct host_cmd_ds_txpwr_cfg));
+                       cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) +
+                                 sizeof(struct mwifiex_types_power_group) +
+                                 le16_to_cpu(pg_tlv->length));
+               } else {
+                       memmove(cmd_txp_cfg, txp, sizeof(*txp));
+               }
+               cmd_txp_cfg->action = cpu_to_le16(cmd_action);
+               break;
+       case HostCmd_ACT_GEN_GET:
+               cmd_txp_cfg->action = cpu_to_le16(cmd_action);
+               break;
+       }
+
+       return 0;
+}
+
+/*
+ * This function prepares command to get RF Tx power.
+ */
+static int mwifiex_cmd_rf_tx_power(struct mwifiex_private *priv,
+                                  struct host_cmd_ds_command *cmd,
+                                  u16 cmd_action, void *data_buf)
+{
+       struct host_cmd_ds_rf_tx_pwr *txp = &cmd->params.txp;
+
+       cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_tx_pwr)
+                               + S_DS_GEN);
+       cmd->command = cpu_to_le16(HostCmd_CMD_RF_TX_PWR);
+       txp->action = cpu_to_le16(cmd_action);
+
+       return 0;
+}
+
+/*
+ * This function prepares command to set rf antenna.
+ */
+static int mwifiex_cmd_rf_antenna(struct mwifiex_private *priv,
+                                 struct host_cmd_ds_command *cmd,
+                                 u16 cmd_action,
+                                 struct mwifiex_ds_ant_cfg *ant_cfg)
+{
+       struct host_cmd_ds_rf_ant_mimo *ant_mimo = &cmd->params.ant_mimo;
+       struct host_cmd_ds_rf_ant_siso *ant_siso = &cmd->params.ant_siso;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_RF_ANTENNA);
+
+       if (cmd_action != HostCmd_ACT_GEN_SET)
+               return 0;
+
+       if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
+               cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_ant_mimo) +
+                                       S_DS_GEN);
+               ant_mimo->action_tx = cpu_to_le16(HostCmd_ACT_SET_TX);
+               ant_mimo->tx_ant_mode = cpu_to_le16((u16)ant_cfg->tx_ant);
+               ant_mimo->action_rx = cpu_to_le16(HostCmd_ACT_SET_RX);
+               ant_mimo->rx_ant_mode = cpu_to_le16((u16)ant_cfg->rx_ant);
+       } else {
+               cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_ant_siso) +
+                                       S_DS_GEN);
+               ant_siso->action = cpu_to_le16(HostCmd_ACT_SET_BOTH);
+               ant_siso->ant_mode = cpu_to_le16((u16)ant_cfg->tx_ant);
+       }
+
+       return 0;
+}
+
+/*
+ * This function prepares command to set Host Sleep configuration.
+ *
+ * Preparation includes -
+ *      - Setting command ID and proper size
+ *      - Setting Host Sleep action, conditions, ARP filters
+ *        (as required)
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_802_11_hs_cfg(struct mwifiex_private *priv,
+                         struct host_cmd_ds_command *cmd,
+                         u16 cmd_action,
+                         struct mwifiex_hs_config_param *hscfg_param)
+{
+       struct mwifiex_adapter *adapter = priv->adapter;
+       struct host_cmd_ds_802_11_hs_cfg_enh *hs_cfg = &cmd->params.opt_hs_cfg;
+       bool hs_activate = false;
+
+       if (!hscfg_param)
+               /* New Activate command */
+               hs_activate = true;
+       cmd->command = cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH);
+
+       if (!hs_activate &&
+           (hscfg_param->conditions != cpu_to_le32(HS_CFG_CANCEL)) &&
+           ((adapter->arp_filter_size > 0) &&
+            (adapter->arp_filter_size <= ARP_FILTER_MAX_BUF_SIZE))) {
+               dev_dbg(adapter->dev,
+                       "cmd: Attach %d bytes ArpFilter to HSCfg cmd\n",
+                       adapter->arp_filter_size);
+               memcpy(((u8 *) hs_cfg) +
+                      sizeof(struct host_cmd_ds_802_11_hs_cfg_enh),
+                      adapter->arp_filter, adapter->arp_filter_size);
+               cmd->size = cpu_to_le16
+                               (adapter->arp_filter_size +
+                                sizeof(struct host_cmd_ds_802_11_hs_cfg_enh)
+                               + S_DS_GEN);
+       } else {
+               cmd->size = cpu_to_le16(S_DS_GEN + sizeof(struct
+                                               host_cmd_ds_802_11_hs_cfg_enh));
+       }
+       if (hs_activate) {
+               hs_cfg->action = cpu_to_le16(HS_ACTIVATE);
+               hs_cfg->params.hs_activate.resp_ctrl = cpu_to_le16(RESP_NEEDED);
+       } else {
+               hs_cfg->action = cpu_to_le16(HS_CONFIGURE);
+               hs_cfg->params.hs_config.conditions = hscfg_param->conditions;
+               hs_cfg->params.hs_config.gpio = hscfg_param->gpio;
+               hs_cfg->params.hs_config.gap = hscfg_param->gap;
+               dev_dbg(adapter->dev,
+                       "cmd: HS_CFG_CMD: condition:0x%x gpio:0x%x gap:0x%x\n",
+                      hs_cfg->params.hs_config.conditions,
+                      hs_cfg->params.hs_config.gpio,
+                      hs_cfg->params.hs_config.gap);
+       }
+
+       return 0;
+}
+
+/*
+ * This function prepares command to set/get MAC address.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting MAC address (for SET only)
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_802_11_mac_address(struct mwifiex_private *priv,
+                                         struct host_cmd_ds_command *cmd,
+                                         u16 cmd_action)
+{
+       cmd->command = cpu_to_le16(HostCmd_CMD_802_11_MAC_ADDRESS);
+       cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_mac_address) +
+                               S_DS_GEN);
+       cmd->result = 0;
+
+       cmd->params.mac_addr.action = cpu_to_le16(cmd_action);
+
+       if (cmd_action == HostCmd_ACT_GEN_SET)
+               memcpy(cmd->params.mac_addr.mac_addr, priv->curr_addr,
+                      ETH_ALEN);
+       return 0;
+}
+
+/*
+ * This function prepares command to set MAC multicast address.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting MAC multicast address
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_mac_multicast_adr(struct host_cmd_ds_command *cmd,
+                             u16 cmd_action,
+                             struct mwifiex_multicast_list *mcast_list)
+{
+       struct host_cmd_ds_mac_multicast_adr *mcast_addr = &cmd->params.mc_addr;
+
+       cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mac_multicast_adr) +
+                               S_DS_GEN);
+       cmd->command = cpu_to_le16(HostCmd_CMD_MAC_MULTICAST_ADR);
+
+       mcast_addr->action = cpu_to_le16(cmd_action);
+       mcast_addr->num_of_adrs =
+               cpu_to_le16((u16) mcast_list->num_multicast_addr);
+       memcpy(mcast_addr->mac_list, mcast_list->mac_list,
+              mcast_list->num_multicast_addr * ETH_ALEN);
+
+       return 0;
+}
+
+/*
+ * This function prepares command to deauthenticate.
+ *
+ * Preparation includes -
+ *      - Setting command ID and proper size
+ *      - Setting AP MAC address and reason code
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_802_11_deauthenticate(struct mwifiex_private *priv,
+                                            struct host_cmd_ds_command *cmd,
+                                            u8 *mac)
+{
+       struct host_cmd_ds_802_11_deauthenticate *deauth = &cmd->params.deauth;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_802_11_DEAUTHENTICATE);
+       cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_deauthenticate)
+                               + S_DS_GEN);
+
+       /* Set AP MAC address */
+       memcpy(deauth->mac_addr, mac, ETH_ALEN);
+
+       dev_dbg(priv->adapter->dev, "cmd: Deauth: %pM\n", deauth->mac_addr);
+
+       deauth->reason_code = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
+
+       return 0;
+}
+
+/*
+ * This function prepares command to stop Ad-Hoc network.
+ *
+ * Preparation includes -
+ *      - Setting command ID and proper size
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_802_11_ad_hoc_stop(struct host_cmd_ds_command *cmd)
+{
+       cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_STOP);
+       cmd->size = cpu_to_le16(S_DS_GEN);
+       return 0;
+}
+
+/*
+ * This function sets WEP key(s) to key parameter TLV(s).
+ *
+ * Multi-key parameter TLVs are supported, so we can send multiple
+ * WEP keys in a single buffer.
+ */
+static int
+mwifiex_set_keyparamset_wep(struct mwifiex_private *priv,
+                           struct mwifiex_ie_type_key_param_set *key_param_set,
+                           u16 *key_param_len)
+{
+       int cur_key_param_len;
+       u8 i;
+
+       /* Multi-key_param_set TLV is supported */
+       for (i = 0; i < NUM_WEP_KEYS; i++) {
+               if ((priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP40) ||
+                   (priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP104)) {
+                       key_param_set->type =
+                               cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+/* Key_param_set WEP fixed length */
+#define KEYPARAMSET_WEP_FIXED_LEN 8
+                       key_param_set->length = cpu_to_le16((u16)
+                                       (priv->wep_key[i].
+                                        key_length +
+                                        KEYPARAMSET_WEP_FIXED_LEN));
+                       key_param_set->key_type_id =
+                               cpu_to_le16(KEY_TYPE_ID_WEP);
+                       key_param_set->key_info =
+                               cpu_to_le16(KEY_ENABLED | KEY_UNICAST |
+                                           KEY_MCAST);
+                       key_param_set->key_len =
+                               cpu_to_le16(priv->wep_key[i].key_length);
+                       /* Set WEP key index */
+                       key_param_set->key[0] = i;
+                       /* Set default Tx key flag */
+                       if (i ==
+                           (priv->
+                            wep_key_curr_index & HostCmd_WEP_KEY_INDEX_MASK))
+                               key_param_set->key[1] = 1;
+                       else
+                               key_param_set->key[1] = 0;
+                       memmove(&key_param_set->key[2],
+                               priv->wep_key[i].key_material,
+                               priv->wep_key[i].key_length);
+
+                       cur_key_param_len = priv->wep_key[i].key_length +
+                               KEYPARAMSET_WEP_FIXED_LEN +
+                               sizeof(struct mwifiex_ie_types_header);
+                       *key_param_len += (u16) cur_key_param_len;
+                       key_param_set =
+                               (struct mwifiex_ie_type_key_param_set *)
+                                               ((u8 *)key_param_set +
+                                                cur_key_param_len);
+               } else if (!priv->wep_key[i].key_length) {
+                       continue;
+               } else {
+                       dev_err(priv->adapter->dev,
+                               "key%d Length = %d is incorrect\n",
+                              (i + 1), priv->wep_key[i].key_length);
+                       return -1;
+               }
+       }
+
+       return 0;
+}
+
+/* This function populates key material v2 command
+ * to set network key for AES & CMAC AES.
+ */
+static int mwifiex_set_aes_key_v2(struct mwifiex_private *priv,
+                                 struct host_cmd_ds_command *cmd,
+                                 struct mwifiex_ds_encrypt_key *enc_key,
+                                 struct host_cmd_ds_802_11_key_material_v2 *km)
+{
+       struct mwifiex_adapter *adapter = priv->adapter;
+       u16 size, len = KEY_PARAMS_FIXED_LEN;
+
+       if (enc_key->is_igtk_key) {
+               dev_dbg(adapter->dev, "%s: Set CMAC AES Key\n", __func__);
+               if (enc_key->is_rx_seq_valid)
+                       memcpy(km->key_param_set.key_params.cmac_aes.ipn,
+                              enc_key->pn, enc_key->pn_len);
+               km->key_param_set.key_info &= cpu_to_le16(~KEY_MCAST);
+               km->key_param_set.key_info |= cpu_to_le16(KEY_IGTK);
+               km->key_param_set.key_type = KEY_TYPE_ID_AES_CMAC;
+               km->key_param_set.key_params.cmac_aes.key_len =
+                                         cpu_to_le16(enc_key->key_len);
+               memcpy(km->key_param_set.key_params.cmac_aes.key,
+                      enc_key->key_material, enc_key->key_len);
+               len += sizeof(struct mwifiex_cmac_aes_param);
+       } else {
+               dev_dbg(adapter->dev, "%s: Set AES Key\n", __func__);
+               if (enc_key->is_rx_seq_valid)
+                       memcpy(km->key_param_set.key_params.aes.pn,
+                              enc_key->pn, enc_key->pn_len);
+               km->key_param_set.key_type = KEY_TYPE_ID_AES;
+               km->key_param_set.key_params.aes.key_len =
+                                         cpu_to_le16(enc_key->key_len);
+               memcpy(km->key_param_set.key_params.aes.key,
+                      enc_key->key_material, enc_key->key_len);
+               len += sizeof(struct mwifiex_aes_param);
+       }
+
+       km->key_param_set.len = cpu_to_le16(len);
+       size = len + sizeof(struct mwifiex_ie_types_header) +
+              sizeof(km->action) + S_DS_GEN;
+       cmd->size = cpu_to_le16(size);
+
+       return 0;
+}
+
+/* This function prepares command to set/get/reset network key(s).
+ * This function prepares key material command for V2 format.
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting WEP keys, WAPI keys or WPA keys along with required
+ *        encryption (TKIP, AES) (as required)
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_802_11_key_material_v2(struct mwifiex_private *priv,
+                                  struct host_cmd_ds_command *cmd,
+                                  u16 cmd_action, u32 cmd_oid,
+                                  struct mwifiex_ds_encrypt_key *enc_key)
+{
+       struct mwifiex_adapter *adapter = priv->adapter;
+       u8 *mac = enc_key->mac_addr;
+       u16 key_info, len = KEY_PARAMS_FIXED_LEN;
+       struct host_cmd_ds_802_11_key_material_v2 *km =
+                                               &cmd->params.key_material_v2;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_802_11_KEY_MATERIAL);
+       km->action = cpu_to_le16(cmd_action);
+
+       if (cmd_action == HostCmd_ACT_GEN_GET) {
+               dev_dbg(adapter->dev, "%s: Get key\n", __func__);
+               km->key_param_set.key_idx =
+                                       enc_key->key_index & KEY_INDEX_MASK;
+               km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2);
+               km->key_param_set.len = cpu_to_le16(KEY_PARAMS_FIXED_LEN);
+               memcpy(km->key_param_set.mac_addr, mac, ETH_ALEN);
+
+               if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
+                       key_info = KEY_UNICAST;
+               else
+                       key_info = KEY_MCAST;
+
+               if (enc_key->is_igtk_key)
+                       key_info |= KEY_IGTK;
+
+               km->key_param_set.key_info = cpu_to_le16(key_info);
+
+               cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
+                                       S_DS_GEN + KEY_PARAMS_FIXED_LEN +
+                                       sizeof(km->action));
+               return 0;
+       }
+
+       memset(&km->key_param_set, 0,
+              sizeof(struct mwifiex_ie_type_key_param_set_v2));
+
+       if (enc_key->key_disable) {
+               dev_dbg(adapter->dev, "%s: Remove key\n", __func__);
+               km->action = cpu_to_le16(HostCmd_ACT_GEN_REMOVE);
+               km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2);
+               km->key_param_set.len = cpu_to_le16(KEY_PARAMS_FIXED_LEN);
+               km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK;
+               key_info = KEY_MCAST | KEY_UNICAST;
+               km->key_param_set.key_info = cpu_to_le16(key_info);
+               memcpy(km->key_param_set.mac_addr, mac, ETH_ALEN);
+               cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
+                                       S_DS_GEN + KEY_PARAMS_FIXED_LEN +
+                                       sizeof(km->action));
+               return 0;
+       }
+
+       km->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
+       km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK;
+       km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2);
+       key_info = KEY_ENABLED;
+       memcpy(km->key_param_set.mac_addr, mac, ETH_ALEN);
+
+       if (enc_key->key_len <= WLAN_KEY_LEN_WEP104) {
+               dev_dbg(adapter->dev, "%s: Set WEP Key\n", __func__);
+               len += sizeof(struct mwifiex_wep_param);
+               km->key_param_set.len = cpu_to_le16(len);
+               km->key_param_set.key_type = KEY_TYPE_ID_WEP;
+
+               if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
+                               key_info |= KEY_MCAST | KEY_UNICAST;
+               } else {
+                       if (enc_key->is_current_wep_key) {
+                               key_info |= KEY_MCAST | KEY_UNICAST;
+                               if (km->key_param_set.key_idx ==
+                                   (priv->wep_key_curr_index & KEY_INDEX_MASK))
+                                       key_info |= KEY_DEFAULT;
+                       } else {
+                               if (mac) {
+                                       if (is_broadcast_ether_addr(mac))
+                                               key_info |= KEY_MCAST;
+                                       else
+                                               key_info |= KEY_UNICAST |
+                                                           KEY_DEFAULT;
+                               } else {
+                                       key_info |= KEY_MCAST;
+                               }
+                       }
+               }
+               km->key_param_set.key_info = cpu_to_le16(key_info);
+
+               km->key_param_set.key_params.wep.key_len =
+                                                 cpu_to_le16(enc_key->key_len);
+               memcpy(km->key_param_set.key_params.wep.key,
+                      enc_key->key_material, enc_key->key_len);
+
+               cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
+                                       len + sizeof(km->action) + S_DS_GEN);
+               return 0;
+       }
+
+       if (is_broadcast_ether_addr(mac))
+               key_info |= KEY_MCAST | KEY_RX_KEY;
+       else
+               key_info |= KEY_UNICAST | KEY_TX_KEY | KEY_RX_KEY;
+
+       if (enc_key->is_wapi_key) {
+               dev_dbg(adapter->dev, "%s: Set WAPI Key\n", __func__);
+               km->key_param_set.key_type = KEY_TYPE_ID_WAPI;
+               memcpy(km->key_param_set.key_params.wapi.pn, enc_key->pn,
+                      PN_LEN);
+               km->key_param_set.key_params.wapi.key_len =
+                                               cpu_to_le16(enc_key->key_len);
+               memcpy(km->key_param_set.key_params.wapi.key,
+                      enc_key->key_material, enc_key->key_len);
+               if (is_broadcast_ether_addr(mac))
+                       priv->sec_info.wapi_key_on = true;
+
+               if (!priv->sec_info.wapi_key_on)
+                       key_info |= KEY_DEFAULT;
+               km->key_param_set.key_info = cpu_to_le16(key_info);
+
+               len += sizeof(struct mwifiex_wapi_param);
+               km->key_param_set.len = cpu_to_le16(len);
+               cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
+                                       len + sizeof(km->action) + S_DS_GEN);
+               return 0;
+       }
+
+       if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
+               key_info |= KEY_DEFAULT;
+               /* Enable unicast bit for WPA-NONE/ADHOC_AES */
+               if (!priv->sec_info.wpa2_enabled &&
+                   !is_broadcast_ether_addr(mac))
+                       key_info |= KEY_UNICAST;
+       } else {
+               /* Enable default key for WPA/WPA2 */
+               if (!priv->wpa_is_gtk_set)
+                       key_info |= KEY_DEFAULT;
+       }
+
+       km->key_param_set.key_info = cpu_to_le16(key_info);
+
+       if (enc_key->key_len == WLAN_KEY_LEN_CCMP)
+               return mwifiex_set_aes_key_v2(priv, cmd, enc_key, km);
+
+       if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
+               dev_dbg(adapter->dev, "%s: Set TKIP Key\n", __func__);
+               if (enc_key->is_rx_seq_valid)
+                       memcpy(km->key_param_set.key_params.tkip.pn,
+                              enc_key->pn, enc_key->pn_len);
+               km->key_param_set.key_type = KEY_TYPE_ID_TKIP;
+               km->key_param_set.key_params.tkip.key_len =
+                                               cpu_to_le16(enc_key->key_len);
+               memcpy(km->key_param_set.key_params.tkip.key,
+                      enc_key->key_material, enc_key->key_len);
+
+               len += sizeof(struct mwifiex_tkip_param);
+               km->key_param_set.len = cpu_to_le16(len);
+               cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
+                                       len + sizeof(km->action) + S_DS_GEN);
+       }
+
+       return 0;
+}
+
+/*
+ * This function prepares command to set/get/reset network key(s).
+ * This function prepares key material command for V1 format.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting WEP keys, WAPI keys or WPA keys along with required
+ *        encryption (TKIP, AES) (as required)
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_802_11_key_material_v1(struct mwifiex_private *priv,
+                                  struct host_cmd_ds_command *cmd,
+                                  u16 cmd_action, u32 cmd_oid,
+                                  struct mwifiex_ds_encrypt_key *enc_key)
+{
+       struct host_cmd_ds_802_11_key_material *key_material =
+               &cmd->params.key_material;
+       struct host_cmd_tlv_mac_addr *tlv_mac;
+       u16 key_param_len = 0, cmd_size;
+       int ret = 0;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_802_11_KEY_MATERIAL);
+       key_material->action = cpu_to_le16(cmd_action);
+
+       if (cmd_action == HostCmd_ACT_GEN_GET) {
+               cmd->size =
+                       cpu_to_le16(sizeof(key_material->action) + S_DS_GEN);
+               return ret;
+       }
+
+       if (!enc_key) {
+               memset(&key_material->key_param_set, 0,
+                      (NUM_WEP_KEYS *
+                       sizeof(struct mwifiex_ie_type_key_param_set)));
+               ret = mwifiex_set_keyparamset_wep(priv,
+                                                 &key_material->key_param_set,
+                                                 &key_param_len);
+               cmd->size = cpu_to_le16(key_param_len +
+                                   sizeof(key_material->action) + S_DS_GEN);
+               return ret;
+       } else
+               memset(&key_material->key_param_set, 0,
+                      sizeof(struct mwifiex_ie_type_key_param_set));
+       if (enc_key->is_wapi_key) {
+               dev_dbg(priv->adapter->dev, "info: Set WAPI Key\n");
+               key_material->key_param_set.key_type_id =
+                                               cpu_to_le16(KEY_TYPE_ID_WAPI);
+               if (cmd_oid == KEY_INFO_ENABLED)
+                       key_material->key_param_set.key_info =
+                                               cpu_to_le16(KEY_ENABLED);
+               else
+                       key_material->key_param_set.key_info =
+                                               cpu_to_le16(!KEY_ENABLED);
+
+               key_material->key_param_set.key[0] = enc_key->key_index;
+               if (!priv->sec_info.wapi_key_on)
+                       key_material->key_param_set.key[1] = 1;
+               else
+                       /* set 0 when re-key */
+                       key_material->key_param_set.key[1] = 0;
+
+               if (!is_broadcast_ether_addr(enc_key->mac_addr)) {
+                       /* WAPI pairwise key: unicast */
+                       key_material->key_param_set.key_info |=
+                               cpu_to_le16(KEY_UNICAST);
+               } else {        /* WAPI group key: multicast */
+                       key_material->key_param_set.key_info |=
+                               cpu_to_le16(KEY_MCAST);
+                       priv->sec_info.wapi_key_on = true;
+               }
+
+               key_material->key_param_set.type =
+                                       cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+               key_material->key_param_set.key_len =
+                                               cpu_to_le16(WAPI_KEY_LEN);
+               memcpy(&key_material->key_param_set.key[2],
+                      enc_key->key_material, enc_key->key_len);
+               memcpy(&key_material->key_param_set.key[2 + enc_key->key_len],
+                      enc_key->pn, PN_LEN);
+               key_material->key_param_set.length =
+                       cpu_to_le16(WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN);
+
+               key_param_len = (WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN) +
+                                sizeof(struct mwifiex_ie_types_header);
+               cmd->size = cpu_to_le16(sizeof(key_material->action)
+                                       + S_DS_GEN +  key_param_len);
+               return ret;
+       }
+       if (enc_key->key_len == WLAN_KEY_LEN_CCMP) {
+               if (enc_key->is_igtk_key) {
+                       dev_dbg(priv->adapter->dev, "cmd: CMAC_AES\n");
+                       key_material->key_param_set.key_type_id =
+                                       cpu_to_le16(KEY_TYPE_ID_AES_CMAC);
+                       if (cmd_oid == KEY_INFO_ENABLED)
+                               key_material->key_param_set.key_info =
+                                               cpu_to_le16(KEY_ENABLED);
+                       else
+                               key_material->key_param_set.key_info =
+                                               cpu_to_le16(!KEY_ENABLED);
+
+                       key_material->key_param_set.key_info |=
+                                                       cpu_to_le16(KEY_IGTK);
+               } else {
+                       dev_dbg(priv->adapter->dev, "cmd: WPA_AES\n");
+                       key_material->key_param_set.key_type_id =
+                                               cpu_to_le16(KEY_TYPE_ID_AES);
+                       if (cmd_oid == KEY_INFO_ENABLED)
+                               key_material->key_param_set.key_info =
+                                               cpu_to_le16(KEY_ENABLED);
+                       else
+                               key_material->key_param_set.key_info =
+                                               cpu_to_le16(!KEY_ENABLED);
+
+                       if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
+                               /* AES pairwise key: unicast */
+                               key_material->key_param_set.key_info |=
+                                               cpu_to_le16(KEY_UNICAST);
+                       else    /* AES group key: multicast */
+                               key_material->key_param_set.key_info |=
+                                                       cpu_to_le16(KEY_MCAST);
+               }
+       } else if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
+               dev_dbg(priv->adapter->dev, "cmd: WPA_TKIP\n");
+               key_material->key_param_set.key_type_id =
+                                               cpu_to_le16(KEY_TYPE_ID_TKIP);
+               key_material->key_param_set.key_info =
+                                               cpu_to_le16(KEY_ENABLED);
+
+               if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
+                               /* TKIP pairwise key: unicast */
+                       key_material->key_param_set.key_info |=
+                                               cpu_to_le16(KEY_UNICAST);
+               else            /* TKIP group key: multicast */
+                       key_material->key_param_set.key_info |=
+                                                       cpu_to_le16(KEY_MCAST);
+       }
+
+       if (key_material->key_param_set.key_type_id) {
+               key_material->key_param_set.type =
+                                       cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+               key_material->key_param_set.key_len =
+                                       cpu_to_le16((u16) enc_key->key_len);
+               memcpy(key_material->key_param_set.key, enc_key->key_material,
+                      enc_key->key_len);
+               key_material->key_param_set.length =
+                       cpu_to_le16((u16) enc_key->key_len +
+                                   KEYPARAMSET_FIXED_LEN);
+
+               key_param_len = (u16)(enc_key->key_len + KEYPARAMSET_FIXED_LEN)
+                               + sizeof(struct mwifiex_ie_types_header);
+
+               if (le16_to_cpu(key_material->key_param_set.key_type_id) ==
+                                                       KEY_TYPE_ID_AES_CMAC) {
+                       struct mwifiex_cmac_param *param =
+                                       (void *)key_material->key_param_set.key;
+
+                       memcpy(param->ipn, enc_key->pn, IGTK_PN_LEN);
+                       memcpy(param->key, enc_key->key_material,
+                              WLAN_KEY_LEN_AES_CMAC);
+
+                       key_param_len = sizeof(struct mwifiex_cmac_param);
+                       key_material->key_param_set.key_len =
+                                               cpu_to_le16(key_param_len);
+                       key_param_len += KEYPARAMSET_FIXED_LEN;
+                       key_material->key_param_set.length =
+                                               cpu_to_le16(key_param_len);
+                       key_param_len += sizeof(struct mwifiex_ie_types_header);
+               }
+
+               cmd->size = cpu_to_le16(sizeof(key_material->action) + S_DS_GEN
+                                       + key_param_len);
+
+               if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
+                       tlv_mac = (void *)((u8 *)&key_material->key_param_set +
+                                          key_param_len);
+                       tlv_mac->header.type =
+                                       cpu_to_le16(TLV_TYPE_STA_MAC_ADDR);
+                       tlv_mac->header.len = cpu_to_le16(ETH_ALEN);
+                       memcpy(tlv_mac->mac_addr, enc_key->mac_addr, ETH_ALEN);
+                       cmd_size = key_param_len + S_DS_GEN +
+                                  sizeof(key_material->action) +
+                                  sizeof(struct host_cmd_tlv_mac_addr);
+               } else {
+                       cmd_size = key_param_len + S_DS_GEN +
+                                  sizeof(key_material->action);
+               }
+               cmd->size = cpu_to_le16(cmd_size);
+       }
+
+       return ret;
+}
+
+/* Wrapper function for setting network key depending upon FW KEY API version */
+static int
+mwifiex_cmd_802_11_key_material(struct mwifiex_private *priv,
+                               struct host_cmd_ds_command *cmd,
+                               u16 cmd_action, u32 cmd_oid,
+                               struct mwifiex_ds_encrypt_key *enc_key)
+{
+       if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
+               return mwifiex_cmd_802_11_key_material_v2(priv, cmd,
+                                                         cmd_action, cmd_oid,
+                                                         enc_key);
+
+       else
+               return mwifiex_cmd_802_11_key_material_v1(priv, cmd,
+                                                         cmd_action, cmd_oid,
+                                                         enc_key);
+}
+
+/*
+ * This function prepares command to set/get 11d domain information.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting domain information fields (for SET only)
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_802_11d_domain_info(struct mwifiex_private *priv,
+                                          struct host_cmd_ds_command *cmd,
+                                          u16 cmd_action)
+{
+       struct mwifiex_adapter *adapter = priv->adapter;
+       struct host_cmd_ds_802_11d_domain_info *domain_info =
+               &cmd->params.domain_info;
+       struct mwifiex_ietypes_domain_param_set *domain =
+               &domain_info->domain;
+       u8 no_of_triplet = adapter->domain_reg.no_of_triplet;
+
+       dev_dbg(adapter->dev, "info: 11D: no_of_triplet=0x%x\n", no_of_triplet);
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_802_11D_DOMAIN_INFO);
+       domain_info->action = cpu_to_le16(cmd_action);
+       if (cmd_action == HostCmd_ACT_GEN_GET) {
+               cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
+               return 0;
+       }
+
+       /* Set domain info fields */
+       domain->header.type = cpu_to_le16(WLAN_EID_COUNTRY);
+       memcpy(domain->country_code, adapter->domain_reg.country_code,
+              sizeof(domain->country_code));
+
+       domain->header.len =
+               cpu_to_le16((no_of_triplet *
+                            sizeof(struct ieee80211_country_ie_triplet))
+                           + sizeof(domain->country_code));
+
+       if (no_of_triplet) {
+               memcpy(domain->triplet, adapter->domain_reg.triplet,
+                      no_of_triplet * sizeof(struct
+                                             ieee80211_country_ie_triplet));
+
+               cmd->size = cpu_to_le16(sizeof(domain_info->action) +
+                                       le16_to_cpu(domain->header.len) +
+                                       sizeof(struct mwifiex_ie_types_header)
+                                       + S_DS_GEN);
+       } else {
+               cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
+       }
+
+       return 0;
+}
+
+/*
+ * This function prepares command to set/get IBSS coalescing status.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting status to enable or disable (for SET only)
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_ibss_coalescing_status(struct host_cmd_ds_command *cmd,
+                                             u16 cmd_action, u16 *enable)
+{
+       struct host_cmd_ds_802_11_ibss_status *ibss_coal =
+               &(cmd->params.ibss_coalescing);
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_802_11_IBSS_COALESCING_STATUS);
+       cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_ibss_status) +
+                               S_DS_GEN);
+       cmd->result = 0;
+       ibss_coal->action = cpu_to_le16(cmd_action);
+
+       switch (cmd_action) {
+       case HostCmd_ACT_GEN_SET:
+               if (enable)
+                       ibss_coal->enable = cpu_to_le16(*enable);
+               else
+                       ibss_coal->enable = 0;
+               break;
+
+               /* In other case.. Nothing to do */
+       case HostCmd_ACT_GEN_GET:
+       default:
+               break;
+       }
+
+       return 0;
+}
+
+/*
+ * This function prepares command to set/get register value.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting register offset (for both GET and SET) and
+ *        register value (for SET only)
+ *      - Ensuring correct endian-ness
+ *
+ * The following type of registers can be accessed with this function -
+ *      - MAC register
+ *      - BBP register
+ *      - RF register
+ *      - PMIC register
+ *      - CAU register
+ *      - EEPROM
+ */
+static int mwifiex_cmd_reg_access(struct host_cmd_ds_command *cmd,
+                                 u16 cmd_action, void *data_buf)
+{
+       struct mwifiex_ds_reg_rw *reg_rw = data_buf;
+
+       switch (le16_to_cpu(cmd->command)) {
+       case HostCmd_CMD_MAC_REG_ACCESS:
+       {
+               struct host_cmd_ds_mac_reg_access *mac_reg;
+
+               cmd->size = cpu_to_le16(sizeof(*mac_reg) + S_DS_GEN);
+               mac_reg = &cmd->params.mac_reg;
+               mac_reg->action = cpu_to_le16(cmd_action);
+               mac_reg->offset =
+                       cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
+               mac_reg->value = reg_rw->value;
+               break;
+       }
+       case HostCmd_CMD_BBP_REG_ACCESS:
+       {
+               struct host_cmd_ds_bbp_reg_access *bbp_reg;
+
+               cmd->size = cpu_to_le16(sizeof(*bbp_reg) + S_DS_GEN);
+               bbp_reg = &cmd->params.bbp_reg;
+               bbp_reg->action = cpu_to_le16(cmd_action);
+               bbp_reg->offset =
+                       cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
+               bbp_reg->value = (u8) le32_to_cpu(reg_rw->value);
+               break;
+       }
+       case HostCmd_CMD_RF_REG_ACCESS:
+       {
+               struct host_cmd_ds_rf_reg_access *rf_reg;
+
+               cmd->size = cpu_to_le16(sizeof(*rf_reg) + S_DS_GEN);
+               rf_reg = &cmd->params.rf_reg;
+               rf_reg->action = cpu_to_le16(cmd_action);
+               rf_reg->offset = cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
+               rf_reg->value = (u8) le32_to_cpu(reg_rw->value);
+               break;
+       }
+       case HostCmd_CMD_PMIC_REG_ACCESS:
+       {
+               struct host_cmd_ds_pmic_reg_access *pmic_reg;
+
+               cmd->size = cpu_to_le16(sizeof(*pmic_reg) + S_DS_GEN);
+               pmic_reg = &cmd->params.pmic_reg;
+               pmic_reg->action = cpu_to_le16(cmd_action);
+               pmic_reg->offset =
+                               cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
+               pmic_reg->value = (u8) le32_to_cpu(reg_rw->value);
+               break;
+       }
+       case HostCmd_CMD_CAU_REG_ACCESS:
+       {
+               struct host_cmd_ds_rf_reg_access *cau_reg;
+
+               cmd->size = cpu_to_le16(sizeof(*cau_reg) + S_DS_GEN);
+               cau_reg = &cmd->params.rf_reg;
+               cau_reg->action = cpu_to_le16(cmd_action);
+               cau_reg->offset =
+                               cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
+               cau_reg->value = (u8) le32_to_cpu(reg_rw->value);
+               break;
+       }
+       case HostCmd_CMD_802_11_EEPROM_ACCESS:
+       {
+               struct mwifiex_ds_read_eeprom *rd_eeprom = data_buf;
+               struct host_cmd_ds_802_11_eeprom_access *cmd_eeprom =
+                       &cmd->params.eeprom;
+
+               cmd->size = cpu_to_le16(sizeof(*cmd_eeprom) + S_DS_GEN);
+               cmd_eeprom->action = cpu_to_le16(cmd_action);
+               cmd_eeprom->offset = rd_eeprom->offset;
+               cmd_eeprom->byte_count = rd_eeprom->byte_count;
+               cmd_eeprom->value = 0;
+               break;
+       }
+       default:
+               return -1;
+       }
+
+       return 0;
+}
+
+/*
+ * This function prepares command to set PCI-Express
+ * host buffer configuration
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting host buffer configuration
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_pcie_host_spec(struct mwifiex_private *priv,
+                          struct host_cmd_ds_command *cmd, u16 action)
+{
+       struct host_cmd_ds_pcie_details *host_spec =
+                                       &cmd->params.pcie_host_spec;
+       struct pcie_service_card *card = priv->adapter->card;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_PCIE_DESC_DETAILS);
+       cmd->size = cpu_to_le16(sizeof(struct
+                                       host_cmd_ds_pcie_details) + S_DS_GEN);
+       cmd->result = 0;
+
+       memset(host_spec, 0, sizeof(struct host_cmd_ds_pcie_details));
+
+       if (action != HostCmd_ACT_GEN_SET)
+               return 0;
+
+       /* Send the ring base addresses and count to firmware */
+       host_spec->txbd_addr_lo = (u32)(card->txbd_ring_pbase);
+       host_spec->txbd_addr_hi = (u32)(((u64)card->txbd_ring_pbase)>>32);
+       host_spec->txbd_count = MWIFIEX_MAX_TXRX_BD;
+       host_spec->rxbd_addr_lo = (u32)(card->rxbd_ring_pbase);
+       host_spec->rxbd_addr_hi = (u32)(((u64)card->rxbd_ring_pbase)>>32);
+       host_spec->rxbd_count = MWIFIEX_MAX_TXRX_BD;
+       host_spec->evtbd_addr_lo = (u32)(card->evtbd_ring_pbase);
+       host_spec->evtbd_addr_hi = (u32)(((u64)card->evtbd_ring_pbase)>>32);
+       host_spec->evtbd_count = MWIFIEX_MAX_EVT_BD;
+       if (card->sleep_cookie_vbase) {
+               host_spec->sleep_cookie_addr_lo =
+                                               (u32)(card->sleep_cookie_pbase);
+               host_spec->sleep_cookie_addr_hi =
+                                (u32)(((u64)(card->sleep_cookie_pbase)) >> 32);
+               dev_dbg(priv->adapter->dev, "sleep_cook_lo phy addr: 0x%x\n",
+                       host_spec->sleep_cookie_addr_lo);
+       }
+
+       return 0;
+}
+
+/*
+ * This function prepares command for event subscription, configuration
+ * and query. Events can be subscribed or unsubscribed. Current subscribed
+ * events can be queried. Also, current subscribed events are reported in
+ * every FW response.
+ */
+static int
+mwifiex_cmd_802_11_subsc_evt(struct mwifiex_private *priv,
+                            struct host_cmd_ds_command *cmd,
+                            struct mwifiex_ds_misc_subsc_evt *subsc_evt_cfg)
+{
+       struct host_cmd_ds_802_11_subsc_evt *subsc_evt = &cmd->params.subsc_evt;
+       struct mwifiex_ie_types_rssi_threshold *rssi_tlv;
+       u16 event_bitmap;
+       u8 *pos;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SUBSCRIBE_EVENT);
+       cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_subsc_evt) +
+                               S_DS_GEN);
+
+       subsc_evt->action = cpu_to_le16(subsc_evt_cfg->action);
+       dev_dbg(priv->adapter->dev, "cmd: action: %d\n", subsc_evt_cfg->action);
+
+       /*For query requests, no configuration TLV structures are to be added.*/
+       if (subsc_evt_cfg->action == HostCmd_ACT_GEN_GET)
+               return 0;
+
+       subsc_evt->events = cpu_to_le16(subsc_evt_cfg->events);
+
+       event_bitmap = subsc_evt_cfg->events;
+       dev_dbg(priv->adapter->dev, "cmd: event bitmap : %16x\n",
+               event_bitmap);
+
+       if (((subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR) ||
+            (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_SET)) &&
+           (event_bitmap == 0)) {
+               dev_dbg(priv->adapter->dev, "Error: No event specified "
+                       "for bitwise action type\n");
+               return -EINVAL;
+       }
+
+       /*
+        * Append TLV structures for each of the specified events for
+        * subscribing or re-configuring. This is not required for
+        * bitwise unsubscribing request.
+        */
+       if (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR)
+               return 0;
+
+       pos = ((u8 *)subsc_evt) +
+                       sizeof(struct host_cmd_ds_802_11_subsc_evt);
+
+       if (event_bitmap & BITMASK_BCN_RSSI_LOW) {
+               rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
+
+               rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_LOW);
+               rssi_tlv->header.len =
+                   cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
+                               sizeof(struct mwifiex_ie_types_header));
+               rssi_tlv->abs_value = subsc_evt_cfg->bcn_l_rssi_cfg.abs_value;
+               rssi_tlv->evt_freq = subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq;
+
+               dev_dbg(priv->adapter->dev, "Cfg Beacon Low Rssi event, "
+                       "RSSI:-%d dBm, Freq:%d\n",
+                       subsc_evt_cfg->bcn_l_rssi_cfg.abs_value,
+                       subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq);
+
+               pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
+               le16_add_cpu(&cmd->size,
+                            sizeof(struct mwifiex_ie_types_rssi_threshold));
+       }
+
+       if (event_bitmap & BITMASK_BCN_RSSI_HIGH) {
+               rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
+
+               rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_HIGH);
+               rssi_tlv->header.len =
+                   cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
+                               sizeof(struct mwifiex_ie_types_header));
+               rssi_tlv->abs_value = subsc_evt_cfg->bcn_h_rssi_cfg.abs_value;
+               rssi_tlv->evt_freq = subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq;
+
+               dev_dbg(priv->adapter->dev, "Cfg Beacon High Rssi event, "
+                       "RSSI:-%d dBm, Freq:%d\n",
+                       subsc_evt_cfg->bcn_h_rssi_cfg.abs_value,
+                       subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq);
+
+               pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
+               le16_add_cpu(&cmd->size,
+                            sizeof(struct mwifiex_ie_types_rssi_threshold));
+       }
+
+       return 0;
+}
+
+static int
+mwifiex_cmd_append_rpn_expression(struct mwifiex_private *priv,
+                                 struct mwifiex_mef_entry *mef_entry,
+                                 u8 **buffer)
+{
+       struct mwifiex_mef_filter *filter = mef_entry->filter;
+       int i, byte_len;
+       u8 *stack_ptr = *buffer;
+
+       for (i = 0; i < MWIFIEX_MEF_MAX_FILTERS; i++) {
+               filter = &mef_entry->filter[i];
+               if (!filter->filt_type)
+                       break;
+               *(__le32 *)stack_ptr = cpu_to_le32((u32)filter->repeat);
+               stack_ptr += 4;
+               *stack_ptr = TYPE_DNUM;
+               stack_ptr += 1;
+
+               byte_len = filter->byte_seq[MWIFIEX_MEF_MAX_BYTESEQ];
+               memcpy(stack_ptr, filter->byte_seq, byte_len);
+               stack_ptr += byte_len;
+               *stack_ptr = byte_len;
+               stack_ptr += 1;
+               *stack_ptr = TYPE_BYTESEQ;
+               stack_ptr += 1;
+
+               *(__le32 *)stack_ptr = cpu_to_le32((u32)filter->offset);
+               stack_ptr += 4;
+               *stack_ptr = TYPE_DNUM;
+               stack_ptr += 1;
+
+               *stack_ptr = filter->filt_type;
+               stack_ptr += 1;
+
+               if (filter->filt_action) {
+                       *stack_ptr = filter->filt_action;
+                       stack_ptr += 1;
+               }
+
+               if (stack_ptr - *buffer > STACK_NBYTES)
+                       return -1;
+       }
+
+       *buffer = stack_ptr;
+       return 0;
+}
+
+static int
+mwifiex_cmd_mef_cfg(struct mwifiex_private *priv,
+                   struct host_cmd_ds_command *cmd,
+                   struct mwifiex_ds_mef_cfg *mef)
+{
+       struct host_cmd_ds_mef_cfg *mef_cfg = &cmd->params.mef_cfg;
+       struct mwifiex_fw_mef_entry *mef_entry = NULL;
+       u8 *pos = (u8 *)mef_cfg;
+       u16 i;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_MEF_CFG);
+
+       mef_cfg->criteria = cpu_to_le32(mef->criteria);
+       mef_cfg->num_entries = cpu_to_le16(mef->num_entries);
+       pos += sizeof(*mef_cfg);
+
+       for (i = 0; i < mef->num_entries; i++) {
+               mef_entry = (struct mwifiex_fw_mef_entry *)pos;
+               mef_entry->mode = mef->mef_entry[i].mode;
+               mef_entry->action = mef->mef_entry[i].action;
+               pos += sizeof(*mef_cfg->mef_entry);
+
+               if (mwifiex_cmd_append_rpn_expression(priv,
+                                                     &mef->mef_entry[i], &pos))
+                       return -1;
+
+               mef_entry->exprsize =
+                       cpu_to_le16(pos - mef_entry->expr);
+       }
+       cmd->size = cpu_to_le16((u16) (pos - (u8 *)mef_cfg) + S_DS_GEN);
+
+       return 0;
+}
+
+/* This function parse cal data from ASCII to hex */
+static u32 mwifiex_parse_cal_cfg(u8 *src, size_t len, u8 *dst)
+{
+       u8 *s = src, *d = dst;
+
+       while (s - src < len) {
+               if (*s && (isspace(*s) || *s == '\t')) {
+                       s++;
+                       continue;
+               }
+               if (isxdigit(*s)) {
+                       *d++ = simple_strtol(s, NULL, 16);
+                       s += 2;
+               } else {
+                       s++;
+               }
+       }
+
+       return d - dst;
+}
+
+int mwifiex_dnld_dt_cfgdata(struct mwifiex_private *priv,
+                           struct device_node *node, const char *prefix)
+{
+#ifdef CONFIG_OF
+       struct property *prop;
+       size_t len = strlen(prefix);
+       int ret;
+
+       /* look for all matching property names */
+       for_each_property_of_node(node, prop) {
+               if (len > strlen(prop->name) ||
+                   strncmp(prop->name, prefix, len))
+                       continue;
+
+               /* property header is 6 bytes, data must fit in cmd buffer */
+               if (prop && prop->value && prop->length > 6 &&
+                   prop->length <= MWIFIEX_SIZE_OF_CMD_BUFFER - S_DS_GEN) {
+                       ret = mwifiex_send_cmd(priv, HostCmd_CMD_CFG_DATA,
+                                              HostCmd_ACT_GEN_SET, 0,
+                                              prop, true);
+                       if (ret)
+                               return ret;
+               }
+       }
+#endif
+       return 0;
+}
+
+/* This function prepares command of set_cfg_data. */
+static int mwifiex_cmd_cfg_data(struct mwifiex_private *priv,
+                               struct host_cmd_ds_command *cmd, void *data_buf)
+{
+       struct mwifiex_adapter *adapter = priv->adapter;
+       struct property *prop = data_buf;
+       u32 len;
+       u8 *data = (u8 *)cmd + S_DS_GEN;
+       int ret;
+
+       if (prop) {
+               len = prop->length;
+               ret = of_property_read_u8_array(adapter->dt_node, prop->name,
+                                               data, len);
+               if (ret)
+                       return ret;
+               dev_dbg(adapter->dev,
+                       "download cfg_data from device tree: %s\n", prop->name);
+       } else if (adapter->cal_data->data && adapter->cal_data->size > 0) {
+               len = mwifiex_parse_cal_cfg((u8 *)adapter->cal_data->data,
+                                           adapter->cal_data->size, data);
+               dev_dbg(adapter->dev, "download cfg_data from config file\n");
+       } else {
+               return -1;
+       }
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_CFG_DATA);
+       cmd->size = cpu_to_le16(S_DS_GEN + len);
+
+       return 0;
+}
+
+static int
+mwifiex_cmd_coalesce_cfg(struct mwifiex_private *priv,
+                        struct host_cmd_ds_command *cmd,
+                        u16 cmd_action, void *data_buf)
+{
+       struct host_cmd_ds_coalesce_cfg *coalesce_cfg =
+                                               &cmd->params.coalesce_cfg;
+       struct mwifiex_ds_coalesce_cfg *cfg = data_buf;
+       struct coalesce_filt_field_param *param;
+       u16 cnt, idx, length;
+       struct coalesce_receive_filt_rule *rule;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_COALESCE_CFG);
+       cmd->size = cpu_to_le16(S_DS_GEN);
+
+       coalesce_cfg->action = cpu_to_le16(cmd_action);
+       coalesce_cfg->num_of_rules = cpu_to_le16(cfg->num_of_rules);
+       rule = coalesce_cfg->rule;
+
+       for (cnt = 0; cnt < cfg->num_of_rules; cnt++) {
+               rule->header.type = cpu_to_le16(TLV_TYPE_COALESCE_RULE);
+               rule->max_coalescing_delay =
+                       cpu_to_le16(cfg->rule[cnt].max_coalescing_delay);
+               rule->pkt_type = cfg->rule[cnt].pkt_type;
+               rule->num_of_fields = cfg->rule[cnt].num_of_fields;
+
+               length = 0;
+
+               param = rule->params;
+               for (idx = 0; idx < cfg->rule[cnt].num_of_fields; idx++) {
+                       param->operation = cfg->rule[cnt].params[idx].operation;
+                       param->operand_len =
+                                       cfg->rule[cnt].params[idx].operand_len;
+                       param->offset =
+                               cpu_to_le16(cfg->rule[cnt].params[idx].offset);
+                       memcpy(param->operand_byte_stream,
+                              cfg->rule[cnt].params[idx].operand_byte_stream,
+                              param->operand_len);
+
+                       length += sizeof(struct coalesce_filt_field_param);
+
+                       param++;
+               }
+
+               /* Total rule length is sizeof max_coalescing_delay(u16),
+                * num_of_fields(u8), pkt_type(u8) and total length of the all
+                * params
+                */
+               rule->header.len = cpu_to_le16(length + sizeof(u16) +
+                                              sizeof(u8) + sizeof(u8));
+
+               /* Add the rule length to the command size*/
+               le16_add_cpu(&cmd->size, le16_to_cpu(rule->header.len) +
+                            sizeof(struct mwifiex_ie_types_header));
+
+               rule = (void *)((u8 *)rule->params + length);
+       }
+
+       /* Add sizeof action, num_of_rules to total command length */
+       le16_add_cpu(&cmd->size, sizeof(u16) + sizeof(u16));
+
+       return 0;
+}
+
+static int
+mwifiex_cmd_tdls_oper(struct mwifiex_private *priv,
+                     struct host_cmd_ds_command *cmd,
+                     void *data_buf)
+{
+       struct host_cmd_ds_tdls_oper *tdls_oper = &cmd->params.tdls_oper;
+       struct mwifiex_ds_tdls_oper *oper = data_buf;
+       struct mwifiex_sta_node *sta_ptr;
+       struct host_cmd_tlv_rates *tlv_rates;
+       struct mwifiex_ie_types_htcap *ht_capab;
+       struct mwifiex_ie_types_qos_info *wmm_qos_info;
+       struct mwifiex_ie_types_extcap *extcap;
+       struct mwifiex_ie_types_vhtcap *vht_capab;
+       struct mwifiex_ie_types_aid *aid;
+       struct mwifiex_ie_types_tdls_idle_timeout *timeout;
+       u8 *pos, qos_info;
+       u16 config_len = 0;
+       struct station_parameters *params = priv->sta_params;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_TDLS_OPER);
+       cmd->size = cpu_to_le16(S_DS_GEN);
+       le16_add_cpu(&cmd->size, sizeof(struct host_cmd_ds_tdls_oper));
+
+       tdls_oper->reason = 0;
+       memcpy(tdls_oper->peer_mac, oper->peer_mac, ETH_ALEN);
+       sta_ptr = mwifiex_get_sta_entry(priv, oper->peer_mac);
+
+       pos = (u8 *)tdls_oper + sizeof(struct host_cmd_ds_tdls_oper);
+
+       switch (oper->tdls_action) {
+       case MWIFIEX_TDLS_DISABLE_LINK:
+               tdls_oper->tdls_action = cpu_to_le16(ACT_TDLS_DELETE);
+               break;
+       case MWIFIEX_TDLS_CREATE_LINK:
+               tdls_oper->tdls_action = cpu_to_le16(ACT_TDLS_CREATE);
+               break;
+       case MWIFIEX_TDLS_CONFIG_LINK:
+               tdls_oper->tdls_action = cpu_to_le16(ACT_TDLS_CONFIG);
+
+               if (!params) {
+                       dev_err(priv->adapter->dev,
+                               "TDLS config params not available for %pM\n",
+                               oper->peer_mac);
+                       return -ENODATA;
+               }
+
+               *(__le16 *)pos = cpu_to_le16(params->capability);
+               config_len += sizeof(params->capability);
+
+               qos_info = params->uapsd_queues | (params->max_sp << 5);
+               wmm_qos_info = (struct mwifiex_ie_types_qos_info *)(pos +
+                                                                   config_len);
+               wmm_qos_info->header.type = cpu_to_le16(WLAN_EID_QOS_CAPA);
+               wmm_qos_info->header.len = cpu_to_le16(sizeof(qos_info));
+               wmm_qos_info->qos_info = qos_info;
+               config_len += sizeof(struct mwifiex_ie_types_qos_info);
+
+               if (params->ht_capa) {
+                       ht_capab = (struct mwifiex_ie_types_htcap *)(pos +
+                                                                   config_len);
+                       ht_capab->header.type =
+                                           cpu_to_le16(WLAN_EID_HT_CAPABILITY);
+                       ht_capab->header.len =
+                                  cpu_to_le16(sizeof(struct ieee80211_ht_cap));
+                       memcpy(&ht_capab->ht_cap, params->ht_capa,
+                              sizeof(struct ieee80211_ht_cap));
+                       config_len += sizeof(struct mwifiex_ie_types_htcap);
+               }
+
+               if (params->supported_rates && params->supported_rates_len) {
+                       tlv_rates = (struct host_cmd_tlv_rates *)(pos +
+                                                                 config_len);
+                       tlv_rates->header.type =
+                                              cpu_to_le16(WLAN_EID_SUPP_RATES);
+                       tlv_rates->header.len =
+                                      cpu_to_le16(params->supported_rates_len);
+                       memcpy(tlv_rates->rates, params->supported_rates,
+                              params->supported_rates_len);
+                       config_len += sizeof(struct host_cmd_tlv_rates) +
+                                     params->supported_rates_len;
+               }
+
+               if (params->ext_capab && params->ext_capab_len) {
+                       extcap = (struct mwifiex_ie_types_extcap *)(pos +
+                                                                   config_len);
+                       extcap->header.type =
+                                          cpu_to_le16(WLAN_EID_EXT_CAPABILITY);
+                       extcap->header.len = cpu_to_le16(params->ext_capab_len);
+                       memcpy(extcap->ext_capab, params->ext_capab,
+                              params->ext_capab_len);
+                       config_len += sizeof(struct mwifiex_ie_types_extcap) +
+                                     params->ext_capab_len;
+               }
+               if (params->vht_capa) {
+                       vht_capab = (struct mwifiex_ie_types_vhtcap *)(pos +
+                                                                   config_len);
+                       vht_capab->header.type =
+                                          cpu_to_le16(WLAN_EID_VHT_CAPABILITY);
+                       vht_capab->header.len =
+                                 cpu_to_le16(sizeof(struct ieee80211_vht_cap));
+                       memcpy(&vht_capab->vht_cap, params->vht_capa,
+                              sizeof(struct ieee80211_vht_cap));
+                       config_len += sizeof(struct mwifiex_ie_types_vhtcap);
+               }
+               if (params->aid) {
+                       aid = (struct mwifiex_ie_types_aid *)(pos + config_len);
+                       aid->header.type = cpu_to_le16(WLAN_EID_AID);
+                       aid->header.len = cpu_to_le16(sizeof(params->aid));
+                       aid->aid = cpu_to_le16(params->aid);
+                       config_len += sizeof(struct mwifiex_ie_types_aid);
+               }
+
+               timeout = (void *)(pos + config_len);
+               timeout->header.type = cpu_to_le16(TLV_TYPE_TDLS_IDLE_TIMEOUT);
+               timeout->header.len = cpu_to_le16(sizeof(timeout->value));
+               timeout->value = cpu_to_le16(MWIFIEX_TDLS_IDLE_TIMEOUT_IN_SEC);
+               config_len += sizeof(struct mwifiex_ie_types_tdls_idle_timeout);
+
+               break;
+       default:
+               dev_err(priv->adapter->dev, "Unknown TDLS operation\n");
+               return -ENOTSUPP;
+       }
+
+       le16_add_cpu(&cmd->size, config_len);
+
+       return 0;
+}
+
+/* This function prepares command of sdio rx aggr info. */
+static int mwifiex_cmd_sdio_rx_aggr_cfg(struct host_cmd_ds_command *cmd,
+                                       u16 cmd_action, void *data_buf)
+{
+       struct host_cmd_sdio_sp_rx_aggr_cfg *cfg =
+                                       &cmd->params.sdio_rx_aggr_cfg;
+
+       cmd->command = cpu_to_le16(HostCmd_CMD_SDIO_SP_RX_AGGR_CFG);
+       cmd->size =
+               cpu_to_le16(sizeof(struct host_cmd_sdio_sp_rx_aggr_cfg) +
+                           S_DS_GEN);
+       cfg->action = cmd_action;
+       if (cmd_action == HostCmd_ACT_GEN_SET)
+               cfg->enable = *(u8 *)data_buf;
+
+       return 0;
+}
+
+/*
+ * This function prepares the 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_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
+                           u16 cmd_action, u32 cmd_oid,
+                           void *data_buf, void *cmd_buf)
+{
+       struct host_cmd_ds_command *cmd_ptr = cmd_buf;
+       int ret = 0;
+
+       /* Prepare command */
+       switch (cmd_no) {
+       case HostCmd_CMD_GET_HW_SPEC:
+               ret = mwifiex_cmd_get_hw_spec(priv, cmd_ptr);
+               break;
+       case HostCmd_CMD_CFG_DATA:
+               ret = mwifiex_cmd_cfg_data(priv, cmd_ptr, data_buf);
+               break;
+       case HostCmd_CMD_MAC_CONTROL:
+               ret = mwifiex_cmd_mac_control(priv, cmd_ptr, cmd_action,
+                                             data_buf);
+               break;
+       case HostCmd_CMD_802_11_MAC_ADDRESS:
+               ret = mwifiex_cmd_802_11_mac_address(priv, cmd_ptr,
+                                                    cmd_action);
+               break;
+       case HostCmd_CMD_MAC_MULTICAST_ADR:
+               ret = mwifiex_cmd_mac_multicast_adr(cmd_ptr, cmd_action,
+                                                   data_buf);
+               break;
+       case HostCmd_CMD_TX_RATE_CFG:
+               ret = mwifiex_cmd_tx_rate_cfg(priv, cmd_ptr, cmd_action,
+                                             data_buf);
+               break;
+       case HostCmd_CMD_TXPWR_CFG:
+               ret = mwifiex_cmd_tx_power_cfg(cmd_ptr, cmd_action,
+                                              data_buf);
+               break;
+       case HostCmd_CMD_RF_TX_PWR:
+               ret = mwifiex_cmd_rf_tx_power(priv, cmd_ptr, cmd_action,
+                                             data_buf);
+               break;
+       case HostCmd_CMD_RF_ANTENNA:
+               ret = mwifiex_cmd_rf_antenna(priv, cmd_ptr, cmd_action,
+                                            data_buf);
+               break;
+       case HostCmd_CMD_802_11_PS_MODE_ENH:
+               ret = mwifiex_cmd_enh_power_mode(priv, cmd_ptr, cmd_action,
+                                                (uint16_t)cmd_oid, data_buf);
+               break;
+       case HostCmd_CMD_802_11_HS_CFG_ENH:
+               ret = mwifiex_cmd_802_11_hs_cfg(priv, cmd_ptr, cmd_action,
+                               (struct mwifiex_hs_config_param *) data_buf);
+               break;
+       case HostCmd_CMD_802_11_SCAN:
+               ret = mwifiex_cmd_802_11_scan(cmd_ptr, data_buf);
+               break;
+       case HostCmd_CMD_802_11_BG_SCAN_QUERY:
+               ret = mwifiex_cmd_802_11_bg_scan_query(cmd_ptr);
+               break;
+       case HostCmd_CMD_802_11_ASSOCIATE:
+               ret = mwifiex_cmd_802_11_associate(priv, cmd_ptr, data_buf);
+               break;
+       case HostCmd_CMD_802_11_DEAUTHENTICATE:
+               ret = mwifiex_cmd_802_11_deauthenticate(priv, cmd_ptr,
+                                                       data_buf);
+               break;
+       case HostCmd_CMD_802_11_AD_HOC_START:
+               ret = mwifiex_cmd_802_11_ad_hoc_start(priv, cmd_ptr,
+                                                     data_buf);
+               break;
+       case HostCmd_CMD_802_11_GET_LOG:
+               ret = mwifiex_cmd_802_11_get_log(cmd_ptr);
+               break;
+       case HostCmd_CMD_802_11_AD_HOC_JOIN:
+               ret = mwifiex_cmd_802_11_ad_hoc_join(priv, cmd_ptr,
+                                                    data_buf);
+               break;
+       case HostCmd_CMD_802_11_AD_HOC_STOP:
+               ret = mwifiex_cmd_802_11_ad_hoc_stop(cmd_ptr);
+               break;
+       case HostCmd_CMD_RSSI_INFO:
+               ret = mwifiex_cmd_802_11_rssi_info(priv, cmd_ptr, cmd_action);
+               break;
+       case HostCmd_CMD_802_11_SNMP_MIB:
+               ret = mwifiex_cmd_802_11_snmp_mib(priv, cmd_ptr, cmd_action,
+                                                 cmd_oid, data_buf);
+               break;
+       case HostCmd_CMD_802_11_TX_RATE_QUERY:
+               cmd_ptr->command =
+                       cpu_to_le16(HostCmd_CMD_802_11_TX_RATE_QUERY);
+               cmd_ptr->size =
+                       cpu_to_le16(sizeof(struct host_cmd_ds_tx_rate_query) +
+                                   S_DS_GEN);
+               priv->tx_rate = 0;
+               ret = 0;
+               break;
+       case HostCmd_CMD_VERSION_EXT:
+               cmd_ptr->command = cpu_to_le16(cmd_no);
+               cmd_ptr->params.verext.version_str_sel =
+                       (u8) (*((u32 *) data_buf));
+               memcpy(&cmd_ptr->params, data_buf,
+                      sizeof(struct host_cmd_ds_version_ext));
+               cmd_ptr->size =
+                       cpu_to_le16(sizeof(struct host_cmd_ds_version_ext) +
+                                   S_DS_GEN);
+               ret = 0;
+               break;
+       case HostCmd_CMD_MGMT_FRAME_REG:
+               cmd_ptr->command = cpu_to_le16(cmd_no);
+               cmd_ptr->params.reg_mask.action = cpu_to_le16(cmd_action);
+               cmd_ptr->params.reg_mask.mask = cpu_to_le32(*(u32 *)data_buf);
+               cmd_ptr->size =
+                       cpu_to_le16(sizeof(struct host_cmd_ds_mgmt_frame_reg) +
+                                   S_DS_GEN);
+               ret = 0;
+               break;
+       case HostCmd_CMD_REMAIN_ON_CHAN:
+               cmd_ptr->command = cpu_to_le16(cmd_no);
+               memcpy(&cmd_ptr->params, data_buf,
+                      sizeof(struct host_cmd_ds_remain_on_chan));
+               cmd_ptr->size =
+                     cpu_to_le16(sizeof(struct host_cmd_ds_remain_on_chan) +
+                                 S_DS_GEN);
+               break;
+       case HostCmd_CMD_11AC_CFG:
+               ret = mwifiex_cmd_11ac_cfg(priv, cmd_ptr, cmd_action, data_buf);
+               break;
+       case HostCmd_CMD_P2P_MODE_CFG:
+               cmd_ptr->command = cpu_to_le16(cmd_no);
+               cmd_ptr->params.mode_cfg.action = cpu_to_le16(cmd_action);
+               cmd_ptr->params.mode_cfg.mode = cpu_to_le16(*(u16 *)data_buf);
+               cmd_ptr->size =
+                       cpu_to_le16(sizeof(struct host_cmd_ds_p2p_mode_cfg) +
+                                   S_DS_GEN);
+               break;
+       case HostCmd_CMD_FUNC_INIT:
+               if (priv->adapter->hw_status == MWIFIEX_HW_STATUS_RESET)
+                       priv->adapter->hw_status = MWIFIEX_HW_STATUS_READY;
+               cmd_ptr->command = cpu_to_le16(cmd_no);
+               cmd_ptr->size = cpu_to_le16(S_DS_GEN);
+               break;
+       case HostCmd_CMD_FUNC_SHUTDOWN:
+               priv->adapter->hw_status = MWIFIEX_HW_STATUS_RESET;
+               cmd_ptr->command = cpu_to_le16(cmd_no);
+               cmd_ptr->size = cpu_to_le16(S_DS_GEN);
+               break;
+       case HostCmd_CMD_11N_ADDBA_REQ:
+               ret = mwifiex_cmd_11n_addba_req(cmd_ptr, data_buf);
+               break;
+       case HostCmd_CMD_11N_DELBA:
+               ret = mwifiex_cmd_11n_delba(cmd_ptr, data_buf);
+               break;
+       case HostCmd_CMD_11N_ADDBA_RSP:
+               ret = mwifiex_cmd_11n_addba_rsp_gen(priv, cmd_ptr, data_buf);
+               break;
+       case HostCmd_CMD_802_11_KEY_MATERIAL:
+               ret = mwifiex_cmd_802_11_key_material(priv, cmd_ptr,
+                                                     cmd_action, cmd_oid,
+                                                     data_buf);
+               break;
+       case HostCmd_CMD_802_11D_DOMAIN_INFO:
+               ret = mwifiex_cmd_802_11d_domain_info(priv, cmd_ptr,
+                                                     cmd_action);
+               break;
+       case HostCmd_CMD_RECONFIGURE_TX_BUFF:
+               ret = mwifiex_cmd_recfg_tx_buf(priv, cmd_ptr, cmd_action,
+                                              data_buf);
+               break;
+       case HostCmd_CMD_AMSDU_AGGR_CTRL:
+               ret = mwifiex_cmd_amsdu_aggr_ctrl(cmd_ptr, cmd_action,
+                                                 data_buf);
+               break;
+       case HostCmd_CMD_11N_CFG:
+               ret = mwifiex_cmd_11n_cfg(priv, cmd_ptr, cmd_action, data_buf);
+               break;
+       case HostCmd_CMD_WMM_GET_STATUS:
+               dev_dbg(priv->adapter->dev,
+                       "cmd: WMM: WMM_GET_STATUS cmd sent\n");
+               cmd_ptr->command = cpu_to_le16(HostCmd_CMD_WMM_GET_STATUS);
+               cmd_ptr->size =
+                       cpu_to_le16(sizeof(struct host_cmd_ds_wmm_get_status) +
+                                   S_DS_GEN);
+               ret = 0;
+               break;
+       case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
+               ret = mwifiex_cmd_ibss_coalescing_status(cmd_ptr, cmd_action,
+                                                        data_buf);
+               break;
+       case HostCmd_CMD_802_11_SCAN_EXT:
+               ret = mwifiex_cmd_802_11_scan_ext(priv, cmd_ptr, data_buf);
+               break;
+       case HostCmd_CMD_MAC_REG_ACCESS:
+       case HostCmd_CMD_BBP_REG_ACCESS:
+       case HostCmd_CMD_RF_REG_ACCESS:
+       case HostCmd_CMD_PMIC_REG_ACCESS:
+       case HostCmd_CMD_CAU_REG_ACCESS:
+       case HostCmd_CMD_802_11_EEPROM_ACCESS:
+               ret = mwifiex_cmd_reg_access(cmd_ptr, cmd_action, data_buf);
+               break;
+       case HostCmd_CMD_SET_BSS_MODE:
+               cmd_ptr->command = cpu_to_le16(cmd_no);
+               if (priv->bss_mode == NL80211_IFTYPE_ADHOC)
+                       cmd_ptr->params.bss_mode.con_type =
+                               CONNECTION_TYPE_ADHOC;
+               else if (priv->bss_mode == NL80211_IFTYPE_STATION)
+                       cmd_ptr->params.bss_mode.con_type =
+                               CONNECTION_TYPE_INFRA;
+               else if (priv->bss_mode == NL80211_IFTYPE_AP)
+                       cmd_ptr->params.bss_mode.con_type = CONNECTION_TYPE_AP;
+               cmd_ptr->size = cpu_to_le16(sizeof(struct
+                               host_cmd_ds_set_bss_mode) + S_DS_GEN);
+               ret = 0;
+               break;
+       case HostCmd_CMD_PCIE_DESC_DETAILS:
+               ret = mwifiex_cmd_pcie_host_spec(priv, cmd_ptr, cmd_action);
+               break;
+       case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
+               ret = mwifiex_cmd_802_11_subsc_evt(priv, cmd_ptr, data_buf);
+               break;
+       case HostCmd_CMD_MEF_CFG:
+               ret = mwifiex_cmd_mef_cfg(priv, cmd_ptr, data_buf);
+               break;
+       case HostCmd_CMD_COALESCE_CFG:
+               ret = mwifiex_cmd_coalesce_cfg(priv, cmd_ptr, cmd_action,
+                                              data_buf);
+               break;
+       case HostCmd_CMD_TDLS_OPER:
+               ret = mwifiex_cmd_tdls_oper(priv, cmd_ptr, data_buf);
+               break;
+       case HostCmd_CMD_CHAN_REPORT_REQUEST:
+               ret = mwifiex_cmd_issue_chan_report_request(priv, cmd_ptr,
+                                                           data_buf);
+               break;
+       case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
+               ret = mwifiex_cmd_sdio_rx_aggr_cfg(cmd_ptr, cmd_action,
+                                                  data_buf);
+               break;
+       default:
+               dev_err(priv->adapter->dev,
+                       "PREP_CMD: unknown cmd- %#x\n", cmd_no);
+               ret = -1;
+               break;
+       }
+       return ret;
+}
+
+/*
+ * This function issues commands to initialize firmware.
+ *
+ * This is called after firmware download to bring the card to
+ * working state.
+ * Function is also called during reinitialization of virtual
+ * interfaces.
+ *
+ * The following commands are issued sequentially -
+ *      - Set PCI-Express host buffer configuration (PCIE only)
+ *      - Function init (for first interface only)
+ *      - Read MAC address (for first interface only)
+ *      - Reconfigure Tx buffer size (for first interface only)
+ *      - Enable auto deep sleep (for first interface only)
+ *      - Get Tx rate
+ *      - Get Tx power
+ *      - Set IBSS coalescing status
+ *      - Set AMSDU aggregation control
+ *      - Set 11d control
+ *      - Set MAC control (this must be the last command to initialize firmware)
+ */
+int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta, bool init)
+{
+       struct mwifiex_adapter *adapter = priv->adapter;
+       int ret;
+       u16 enable = true;
+       struct mwifiex_ds_11n_amsdu_aggr_ctrl amsdu_aggr_ctrl;
+       struct mwifiex_ds_auto_ds auto_ds;
+       enum state_11d_t state_11d;
+       struct mwifiex_ds_11n_tx_cfg tx_cfg;
+       u8 sdio_sp_rx_aggr_enable;
+
+       if (first_sta) {
+               if (priv->adapter->iface_type == MWIFIEX_PCIE) {
+                       ret = mwifiex_send_cmd(priv,
+                                              HostCmd_CMD_PCIE_DESC_DETAILS,
+                                              HostCmd_ACT_GEN_SET, 0, NULL,
+                                              true);
+                       if (ret)
+                               return -1;
+               }
+
+               ret = mwifiex_send_cmd(priv, HostCmd_CMD_FUNC_INIT,
+                                      HostCmd_ACT_GEN_SET, 0, NULL, true);
+               if (ret)
+                       return -1;
+
+               /* Download calibration data to firmware.
+                * The cal-data can be read from device tree and/or
+                * a configuration file and downloaded to firmware.
+                */
+               adapter->dt_node =
+                               of_find_node_by_name(NULL, "marvell_cfgdata");
+               if (adapter->dt_node) {
+                       ret = mwifiex_dnld_dt_cfgdata(priv, adapter->dt_node,
+                                                     "marvell,caldata");
+                       if (ret)
+                               return -1;
+               }
+
+               if (adapter->cal_data) {
+                       ret = mwifiex_send_cmd(priv, HostCmd_CMD_CFG_DATA,
+                                              HostCmd_ACT_GEN_SET, 0, NULL,
+                                              true);
+                       if (ret)
+                               return -1;
+               }
+
+               /* Read MAC address from HW */
+               ret = mwifiex_send_cmd(priv, HostCmd_CMD_GET_HW_SPEC,
+                                      HostCmd_ACT_GEN_GET, 0, NULL, true);
+               if (ret)
+                       return -1;
+
+               /** Set SDIO Single Port RX Aggr Info */
+               if (priv->adapter->iface_type == MWIFIEX_SDIO &&
+                   ISSUPP_SDIO_SPA_ENABLED(priv->adapter->fw_cap_info)) {
+                       sdio_sp_rx_aggr_enable = true;
+                       ret = mwifiex_send_cmd(priv,
+                                              HostCmd_CMD_SDIO_SP_RX_AGGR_CFG,
+                                              HostCmd_ACT_GEN_SET, 0,
+                                              &sdio_sp_rx_aggr_enable,
+                                              true);
+                       if (ret) {
+                               dev_err(priv->adapter->dev,
+                                       "error while enabling SP aggregation..disable it");
+                               adapter->sdio_rx_aggr_enable = false;
+                       }
+               }
+
+               /* Reconfigure tx buf size */
+               ret = mwifiex_send_cmd(priv, HostCmd_CMD_RECONFIGURE_TX_BUFF,
+                                      HostCmd_ACT_GEN_SET, 0,
+                                      &priv->adapter->tx_buf_size, true);
+               if (ret)
+                       return -1;
+
+               if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
+                       /* Enable IEEE PS by default */
+                       priv->adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
+                       ret = mwifiex_send_cmd(priv,
+                                              HostCmd_CMD_802_11_PS_MODE_ENH,
+                                              EN_AUTO_PS, BITMAP_STA_PS, NULL,
+                                              true);
+                       if (ret)
+                               return -1;
+               }
+       }
+
+       /* get tx rate */
+       ret = mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
+                              HostCmd_ACT_GEN_GET, 0, NULL, true);
+       if (ret)
+               return -1;
+       priv->data_rate = 0;
+
+       /* get tx power */
+       ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
+                              HostCmd_ACT_GEN_GET, 0, NULL, true);
+       if (ret)
+               return -1;
+
+       if (priv->bss_type == MWIFIEX_BSS_TYPE_STA) {
+               /* set ibss coalescing_status */
+               ret = mwifiex_send_cmd(
+                               priv,
+                               HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
+                               HostCmd_ACT_GEN_SET, 0, &enable, true);
+               if (ret)
+                       return -1;
+       }
+
+       memset(&amsdu_aggr_ctrl, 0, sizeof(amsdu_aggr_ctrl));
+       amsdu_aggr_ctrl.enable = true;
+       /* Send request to firmware */
+       ret = mwifiex_send_cmd(priv, HostCmd_CMD_AMSDU_AGGR_CTRL,
+                              HostCmd_ACT_GEN_SET, 0,
+                              &amsdu_aggr_ctrl, true);
+       if (ret)
+               return -1;
+       /* MAC Control must be the last command in init_fw */
+       /* set MAC Control */
+       ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
+                              HostCmd_ACT_GEN_SET, 0,
+                              &priv->curr_pkt_filter, true);
+       if (ret)
+               return -1;
+
+       if (!disable_auto_ds &&
+           first_sta && priv->adapter->iface_type != MWIFIEX_USB &&
+           priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
+               /* Enable auto deep sleep */
+               auto_ds.auto_ds = DEEP_SLEEP_ON;
+               auto_ds.idle_time = DEEP_SLEEP_IDLE_TIME;
+               ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
+                                      EN_AUTO_PS, BITMAP_AUTO_DS,
+                                      &auto_ds, true);
+               if (ret)
+                       return -1;
+       }
+
+       if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
+               /* Send cmd to FW to enable/disable 11D function */
+               state_11d = ENABLE_11D;
+               ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
+                                      HostCmd_ACT_GEN_SET, DOT11D_I,
+                                      &state_11d, true);
+               if (ret)
+                       dev_err(priv->adapter->dev,
+                               "11D: failed to enable 11D\n");
+       }
+
+       /* Send cmd to FW to configure 11n specific configuration
+        * (Short GI, Channel BW, Green field support etc.) for transmit
+        */
+       tx_cfg.tx_htcap = MWIFIEX_FW_DEF_HTTXCFG;
+       ret = mwifiex_send_cmd(priv, HostCmd_CMD_11N_CFG,
+                              HostCmd_ACT_GEN_SET, 0, &tx_cfg, true);
+
+       if (init) {
+               /* set last_init_cmd before sending the command */
+               priv->adapter->last_init_cmd = HostCmd_CMD_11N_CFG;
+               ret = -EINPROGRESS;
+       }
+
+       return ret;
+}