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0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * NXP Wireless LAN device driver: station command handling
0004  *
0005  * Copyright 2011-2020 NXP
0006  */
0007 
0008 #include "decl.h"
0009 #include "ioctl.h"
0010 #include "util.h"
0011 #include "fw.h"
0012 #include "main.h"
0013 #include "wmm.h"
0014 #include "11n.h"
0015 #include "11ac.h"
0016 
0017 static bool drcs;
0018 module_param(drcs, bool, 0644);
0019 MODULE_PARM_DESC(drcs, "multi-channel operation:1, single-channel operation:0");
0020 
0021 static bool disable_auto_ds;
0022 module_param(disable_auto_ds, bool, 0);
0023 MODULE_PARM_DESC(disable_auto_ds,
0024          "deepsleep enabled=0(default), deepsleep disabled=1");
0025 /*
0026  * This function prepares command to set/get RSSI information.
0027  *
0028  * Preparation includes -
0029  *      - Setting command ID, action and proper size
0030  *      - Setting data/beacon average factors
0031  *      - Resetting SNR/NF/RSSI values in private structure
0032  *      - Ensuring correct endian-ness
0033  */
0034 static int
0035 mwifiex_cmd_802_11_rssi_info(struct mwifiex_private *priv,
0036                  struct host_cmd_ds_command *cmd, u16 cmd_action)
0037 {
0038     cmd->command = cpu_to_le16(HostCmd_CMD_RSSI_INFO);
0039     cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rssi_info) +
0040                 S_DS_GEN);
0041     cmd->params.rssi_info.action = cpu_to_le16(cmd_action);
0042     cmd->params.rssi_info.ndata = cpu_to_le16(priv->data_avg_factor);
0043     cmd->params.rssi_info.nbcn = cpu_to_le16(priv->bcn_avg_factor);
0044 
0045     /* Reset SNR/NF/RSSI values in private structure */
0046     priv->data_rssi_last = 0;
0047     priv->data_nf_last = 0;
0048     priv->data_rssi_avg = 0;
0049     priv->data_nf_avg = 0;
0050     priv->bcn_rssi_last = 0;
0051     priv->bcn_nf_last = 0;
0052     priv->bcn_rssi_avg = 0;
0053     priv->bcn_nf_avg = 0;
0054 
0055     return 0;
0056 }
0057 
0058 /*
0059  * This function prepares command to set MAC control.
0060  *
0061  * Preparation includes -
0062  *      - Setting command ID, action and proper size
0063  *      - Ensuring correct endian-ness
0064  */
0065 static int mwifiex_cmd_mac_control(struct mwifiex_private *priv,
0066                    struct host_cmd_ds_command *cmd,
0067                    u16 cmd_action, u32 *action)
0068 {
0069     struct host_cmd_ds_mac_control *mac_ctrl = &cmd->params.mac_ctrl;
0070 
0071     if (cmd_action != HostCmd_ACT_GEN_SET) {
0072         mwifiex_dbg(priv->adapter, ERROR,
0073                 "mac_control: only support set cmd\n");
0074         return -1;
0075     }
0076 
0077     cmd->command = cpu_to_le16(HostCmd_CMD_MAC_CONTROL);
0078     cmd->size =
0079         cpu_to_le16(sizeof(struct host_cmd_ds_mac_control) + S_DS_GEN);
0080     mac_ctrl->action = cpu_to_le32(*action);
0081 
0082     return 0;
0083 }
0084 
0085 /*
0086  * This function prepares command to set/get SNMP MIB.
0087  *
0088  * Preparation includes -
0089  *      - Setting command ID, action and proper size
0090  *      - Setting SNMP MIB OID number and value
0091  *        (as required)
0092  *      - Ensuring correct endian-ness
0093  *
0094  * The following SNMP MIB OIDs are supported -
0095  *      - FRAG_THRESH_I     : Fragmentation threshold
0096  *      - RTS_THRESH_I      : RTS threshold
0097  *      - SHORT_RETRY_LIM_I : Short retry limit
0098  *      - DOT11D_I          : 11d support
0099  */
0100 static int mwifiex_cmd_802_11_snmp_mib(struct mwifiex_private *priv,
0101                        struct host_cmd_ds_command *cmd,
0102                        u16 cmd_action, u32 cmd_oid,
0103                        u16 *ul_temp)
0104 {
0105     struct host_cmd_ds_802_11_snmp_mib *snmp_mib = &cmd->params.smib;
0106 
0107     mwifiex_dbg(priv->adapter, CMD,
0108             "cmd: SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
0109     cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SNMP_MIB);
0110     cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_snmp_mib)
0111                 - 1 + S_DS_GEN);
0112 
0113     snmp_mib->oid = cpu_to_le16((u16)cmd_oid);
0114     if (cmd_action == HostCmd_ACT_GEN_GET) {
0115         snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_GET);
0116         snmp_mib->buf_size = cpu_to_le16(MAX_SNMP_BUF_SIZE);
0117         le16_unaligned_add_cpu(&cmd->size, MAX_SNMP_BUF_SIZE);
0118     } else if (cmd_action == HostCmd_ACT_GEN_SET) {
0119         snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_SET);
0120         snmp_mib->buf_size = cpu_to_le16(sizeof(u16));
0121         put_unaligned_le16(*ul_temp, snmp_mib->value);
0122         le16_unaligned_add_cpu(&cmd->size, sizeof(u16));
0123     }
0124 
0125     mwifiex_dbg(priv->adapter, CMD,
0126             "cmd: SNMP_CMD: Action=0x%x, OID=0x%x,\t"
0127             "OIDSize=0x%x, Value=0x%x\n",
0128             cmd_action, cmd_oid, le16_to_cpu(snmp_mib->buf_size),
0129             get_unaligned_le16(snmp_mib->value));
0130     return 0;
0131 }
0132 
0133 /*
0134  * This function prepares command to get log.
0135  *
0136  * Preparation includes -
0137  *      - Setting command ID and proper size
0138  *      - Ensuring correct endian-ness
0139  */
0140 static int
0141 mwifiex_cmd_802_11_get_log(struct host_cmd_ds_command *cmd)
0142 {
0143     cmd->command = cpu_to_le16(HostCmd_CMD_802_11_GET_LOG);
0144     cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_get_log) +
0145                 S_DS_GEN);
0146     return 0;
0147 }
0148 
0149 /*
0150  * This function prepares command to set/get Tx data rate configuration.
0151  *
0152  * Preparation includes -
0153  *      - Setting command ID, action and proper size
0154  *      - Setting configuration index, rate scope and rate drop pattern
0155  *        parameters (as required)
0156  *      - Ensuring correct endian-ness
0157  */
0158 static int mwifiex_cmd_tx_rate_cfg(struct mwifiex_private *priv,
0159                    struct host_cmd_ds_command *cmd,
0160                    u16 cmd_action, u16 *pbitmap_rates)
0161 {
0162     struct host_cmd_ds_tx_rate_cfg *rate_cfg = &cmd->params.tx_rate_cfg;
0163     struct mwifiex_rate_scope *rate_scope;
0164     struct mwifiex_rate_drop_pattern *rate_drop;
0165     u32 i;
0166 
0167     cmd->command = cpu_to_le16(HostCmd_CMD_TX_RATE_CFG);
0168 
0169     rate_cfg->action = cpu_to_le16(cmd_action);
0170     rate_cfg->cfg_index = 0;
0171 
0172     rate_scope = (struct mwifiex_rate_scope *) ((u8 *) rate_cfg +
0173               sizeof(struct host_cmd_ds_tx_rate_cfg));
0174     rate_scope->type = cpu_to_le16(TLV_TYPE_RATE_SCOPE);
0175     rate_scope->length = cpu_to_le16
0176         (sizeof(*rate_scope) - sizeof(struct mwifiex_ie_types_header));
0177     if (pbitmap_rates != NULL) {
0178         rate_scope->hr_dsss_rate_bitmap = cpu_to_le16(pbitmap_rates[0]);
0179         rate_scope->ofdm_rate_bitmap = cpu_to_le16(pbitmap_rates[1]);
0180         for (i = 0; i < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap); i++)
0181             rate_scope->ht_mcs_rate_bitmap[i] =
0182                 cpu_to_le16(pbitmap_rates[2 + i]);
0183         if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
0184             for (i = 0;
0185                  i < ARRAY_SIZE(rate_scope->vht_mcs_rate_bitmap);
0186                  i++)
0187                 rate_scope->vht_mcs_rate_bitmap[i] =
0188                     cpu_to_le16(pbitmap_rates[10 + i]);
0189         }
0190     } else {
0191         rate_scope->hr_dsss_rate_bitmap =
0192             cpu_to_le16(priv->bitmap_rates[0]);
0193         rate_scope->ofdm_rate_bitmap =
0194             cpu_to_le16(priv->bitmap_rates[1]);
0195         for (i = 0; i < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap); i++)
0196             rate_scope->ht_mcs_rate_bitmap[i] =
0197                 cpu_to_le16(priv->bitmap_rates[2 + i]);
0198         if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
0199             for (i = 0;
0200                  i < ARRAY_SIZE(rate_scope->vht_mcs_rate_bitmap);
0201                  i++)
0202                 rate_scope->vht_mcs_rate_bitmap[i] =
0203                     cpu_to_le16(priv->bitmap_rates[10 + i]);
0204         }
0205     }
0206 
0207     rate_drop = (struct mwifiex_rate_drop_pattern *) ((u8 *) rate_scope +
0208                          sizeof(struct mwifiex_rate_scope));
0209     rate_drop->type = cpu_to_le16(TLV_TYPE_RATE_DROP_CONTROL);
0210     rate_drop->length = cpu_to_le16(sizeof(rate_drop->rate_drop_mode));
0211     rate_drop->rate_drop_mode = 0;
0212 
0213     cmd->size =
0214         cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_tx_rate_cfg) +
0215                 sizeof(struct mwifiex_rate_scope) +
0216                 sizeof(struct mwifiex_rate_drop_pattern));
0217 
0218     return 0;
0219 }
0220 
0221 /*
0222  * This function prepares command to set/get Tx power configuration.
0223  *
0224  * Preparation includes -
0225  *      - Setting command ID, action and proper size
0226  *      - Setting Tx power mode, power group TLV
0227  *        (as required)
0228  *      - Ensuring correct endian-ness
0229  */
0230 static int mwifiex_cmd_tx_power_cfg(struct host_cmd_ds_command *cmd,
0231                     u16 cmd_action,
0232                     struct host_cmd_ds_txpwr_cfg *txp)
0233 {
0234     struct mwifiex_types_power_group *pg_tlv;
0235     struct host_cmd_ds_txpwr_cfg *cmd_txp_cfg = &cmd->params.txp_cfg;
0236 
0237     cmd->command = cpu_to_le16(HostCmd_CMD_TXPWR_CFG);
0238     cmd->size =
0239         cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_txpwr_cfg));
0240     switch (cmd_action) {
0241     case HostCmd_ACT_GEN_SET:
0242         if (txp->mode) {
0243             pg_tlv = (struct mwifiex_types_power_group
0244                   *) ((unsigned long) txp +
0245                      sizeof(struct host_cmd_ds_txpwr_cfg));
0246             memmove(cmd_txp_cfg, txp,
0247                 sizeof(struct host_cmd_ds_txpwr_cfg) +
0248                 sizeof(struct mwifiex_types_power_group) +
0249                 le16_to_cpu(pg_tlv->length));
0250 
0251             pg_tlv = (struct mwifiex_types_power_group *) ((u8 *)
0252                   cmd_txp_cfg +
0253                   sizeof(struct host_cmd_ds_txpwr_cfg));
0254             cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) +
0255                   sizeof(struct mwifiex_types_power_group) +
0256                   le16_to_cpu(pg_tlv->length));
0257         } else {
0258             memmove(cmd_txp_cfg, txp, sizeof(*txp));
0259         }
0260         cmd_txp_cfg->action = cpu_to_le16(cmd_action);
0261         break;
0262     case HostCmd_ACT_GEN_GET:
0263         cmd_txp_cfg->action = cpu_to_le16(cmd_action);
0264         break;
0265     }
0266 
0267     return 0;
0268 }
0269 
0270 /*
0271  * This function prepares command to get RF Tx power.
0272  */
0273 static int mwifiex_cmd_rf_tx_power(struct mwifiex_private *priv,
0274                    struct host_cmd_ds_command *cmd,
0275                    u16 cmd_action, void *data_buf)
0276 {
0277     struct host_cmd_ds_rf_tx_pwr *txp = &cmd->params.txp;
0278 
0279     cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_tx_pwr)
0280                 + S_DS_GEN);
0281     cmd->command = cpu_to_le16(HostCmd_CMD_RF_TX_PWR);
0282     txp->action = cpu_to_le16(cmd_action);
0283 
0284     return 0;
0285 }
0286 
0287 /*
0288  * This function prepares command to set rf antenna.
0289  */
0290 static int mwifiex_cmd_rf_antenna(struct mwifiex_private *priv,
0291                   struct host_cmd_ds_command *cmd,
0292                   u16 cmd_action,
0293                   struct mwifiex_ds_ant_cfg *ant_cfg)
0294 {
0295     struct host_cmd_ds_rf_ant_mimo *ant_mimo = &cmd->params.ant_mimo;
0296     struct host_cmd_ds_rf_ant_siso *ant_siso = &cmd->params.ant_siso;
0297 
0298     cmd->command = cpu_to_le16(HostCmd_CMD_RF_ANTENNA);
0299 
0300     switch (cmd_action) {
0301     case HostCmd_ACT_GEN_SET:
0302         if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
0303             cmd->size = cpu_to_le16(sizeof(struct
0304                         host_cmd_ds_rf_ant_mimo)
0305                         + S_DS_GEN);
0306             ant_mimo->action_tx = cpu_to_le16(HostCmd_ACT_SET_TX);
0307             ant_mimo->tx_ant_mode = cpu_to_le16((u16)ant_cfg->
0308                                 tx_ant);
0309             ant_mimo->action_rx = cpu_to_le16(HostCmd_ACT_SET_RX);
0310             ant_mimo->rx_ant_mode = cpu_to_le16((u16)ant_cfg->
0311                                 rx_ant);
0312         } else {
0313             cmd->size = cpu_to_le16(sizeof(struct
0314                         host_cmd_ds_rf_ant_siso) +
0315                         S_DS_GEN);
0316             ant_siso->action = cpu_to_le16(HostCmd_ACT_SET_BOTH);
0317             ant_siso->ant_mode = cpu_to_le16((u16)ant_cfg->tx_ant);
0318         }
0319         break;
0320     case HostCmd_ACT_GEN_GET:
0321         if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
0322             cmd->size = cpu_to_le16(sizeof(struct
0323                         host_cmd_ds_rf_ant_mimo) +
0324                         S_DS_GEN);
0325             ant_mimo->action_tx = cpu_to_le16(HostCmd_ACT_GET_TX);
0326             ant_mimo->action_rx = cpu_to_le16(HostCmd_ACT_GET_RX);
0327         } else {
0328             cmd->size = cpu_to_le16(sizeof(struct
0329                         host_cmd_ds_rf_ant_siso) +
0330                         S_DS_GEN);
0331             ant_siso->action = cpu_to_le16(HostCmd_ACT_GET_BOTH);
0332         }
0333         break;
0334     }
0335     return 0;
0336 }
0337 
0338 /*
0339  * This function prepares command to set Host Sleep configuration.
0340  *
0341  * Preparation includes -
0342  *      - Setting command ID and proper size
0343  *      - Setting Host Sleep action, conditions, ARP filters
0344  *        (as required)
0345  *      - Ensuring correct endian-ness
0346  */
0347 static int
0348 mwifiex_cmd_802_11_hs_cfg(struct mwifiex_private *priv,
0349               struct host_cmd_ds_command *cmd,
0350               u16 cmd_action,
0351               struct mwifiex_hs_config_param *hscfg_param)
0352 {
0353     struct mwifiex_adapter *adapter = priv->adapter;
0354     struct host_cmd_ds_802_11_hs_cfg_enh *hs_cfg = &cmd->params.opt_hs_cfg;
0355     u8 *tlv = (u8 *)hs_cfg + sizeof(struct host_cmd_ds_802_11_hs_cfg_enh);
0356     struct mwifiex_ps_param_in_hs *psparam_tlv = NULL;
0357     bool hs_activate = false;
0358     u16 size;
0359 
0360     if (!hscfg_param)
0361         /* New Activate command */
0362         hs_activate = true;
0363     cmd->command = cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH);
0364 
0365     if (!hs_activate &&
0366         (hscfg_param->conditions != cpu_to_le32(HS_CFG_CANCEL)) &&
0367         ((adapter->arp_filter_size > 0) &&
0368          (adapter->arp_filter_size <= ARP_FILTER_MAX_BUF_SIZE))) {
0369         mwifiex_dbg(adapter, CMD,
0370                 "cmd: Attach %d bytes ArpFilter to HSCfg cmd\n",
0371                 adapter->arp_filter_size);
0372         memcpy(((u8 *) hs_cfg) +
0373                sizeof(struct host_cmd_ds_802_11_hs_cfg_enh),
0374                adapter->arp_filter, adapter->arp_filter_size);
0375         size = adapter->arp_filter_size +
0376             sizeof(struct host_cmd_ds_802_11_hs_cfg_enh)
0377             + S_DS_GEN;
0378         tlv = (u8 *)hs_cfg
0379             + sizeof(struct host_cmd_ds_802_11_hs_cfg_enh)
0380             + adapter->arp_filter_size;
0381     } else {
0382         size = S_DS_GEN + sizeof(struct host_cmd_ds_802_11_hs_cfg_enh);
0383     }
0384     if (hs_activate) {
0385         hs_cfg->action = cpu_to_le16(HS_ACTIVATE);
0386         hs_cfg->params.hs_activate.resp_ctrl = cpu_to_le16(RESP_NEEDED);
0387 
0388         adapter->hs_activated_manually = true;
0389         mwifiex_dbg(priv->adapter, CMD,
0390                 "cmd: Activating host sleep manually\n");
0391     } else {
0392         hs_cfg->action = cpu_to_le16(HS_CONFIGURE);
0393         hs_cfg->params.hs_config.conditions = hscfg_param->conditions;
0394         hs_cfg->params.hs_config.gpio = hscfg_param->gpio;
0395         hs_cfg->params.hs_config.gap = hscfg_param->gap;
0396 
0397         size += sizeof(struct mwifiex_ps_param_in_hs);
0398         psparam_tlv = (struct mwifiex_ps_param_in_hs *)tlv;
0399         psparam_tlv->header.type =
0400             cpu_to_le16(TLV_TYPE_PS_PARAMS_IN_HS);
0401         psparam_tlv->header.len =
0402             cpu_to_le16(sizeof(struct mwifiex_ps_param_in_hs)
0403                 - sizeof(struct mwifiex_ie_types_header));
0404         psparam_tlv->hs_wake_int = cpu_to_le32(HS_DEF_WAKE_INTERVAL);
0405         psparam_tlv->hs_inact_timeout =
0406             cpu_to_le32(HS_DEF_INACTIVITY_TIMEOUT);
0407 
0408         mwifiex_dbg(adapter, CMD,
0409                 "cmd: HS_CFG_CMD: condition:0x%x gpio:0x%x gap:0x%x\n",
0410                 hs_cfg->params.hs_config.conditions,
0411                 hs_cfg->params.hs_config.gpio,
0412                 hs_cfg->params.hs_config.gap);
0413     }
0414     cmd->size = cpu_to_le16(size);
0415 
0416     return 0;
0417 }
0418 
0419 /*
0420  * This function prepares command to set/get MAC address.
0421  *
0422  * Preparation includes -
0423  *      - Setting command ID, action and proper size
0424  *      - Setting MAC address (for SET only)
0425  *      - Ensuring correct endian-ness
0426  */
0427 static int mwifiex_cmd_802_11_mac_address(struct mwifiex_private *priv,
0428                       struct host_cmd_ds_command *cmd,
0429                       u16 cmd_action)
0430 {
0431     cmd->command = cpu_to_le16(HostCmd_CMD_802_11_MAC_ADDRESS);
0432     cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_mac_address) +
0433                 S_DS_GEN);
0434     cmd->result = 0;
0435 
0436     cmd->params.mac_addr.action = cpu_to_le16(cmd_action);
0437 
0438     if (cmd_action == HostCmd_ACT_GEN_SET)
0439         memcpy(cmd->params.mac_addr.mac_addr, priv->curr_addr,
0440                ETH_ALEN);
0441     return 0;
0442 }
0443 
0444 /*
0445  * This function prepares command to set MAC multicast address.
0446  *
0447  * Preparation includes -
0448  *      - Setting command ID, action and proper size
0449  *      - Setting MAC multicast address
0450  *      - Ensuring correct endian-ness
0451  */
0452 static int
0453 mwifiex_cmd_mac_multicast_adr(struct host_cmd_ds_command *cmd,
0454                   u16 cmd_action,
0455                   struct mwifiex_multicast_list *mcast_list)
0456 {
0457     struct host_cmd_ds_mac_multicast_adr *mcast_addr = &cmd->params.mc_addr;
0458 
0459     cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mac_multicast_adr) +
0460                 S_DS_GEN);
0461     cmd->command = cpu_to_le16(HostCmd_CMD_MAC_MULTICAST_ADR);
0462 
0463     mcast_addr->action = cpu_to_le16(cmd_action);
0464     mcast_addr->num_of_adrs =
0465         cpu_to_le16((u16) mcast_list->num_multicast_addr);
0466     memcpy(mcast_addr->mac_list, mcast_list->mac_list,
0467            mcast_list->num_multicast_addr * ETH_ALEN);
0468 
0469     return 0;
0470 }
0471 
0472 /*
0473  * This function prepares command to deauthenticate.
0474  *
0475  * Preparation includes -
0476  *      - Setting command ID and proper size
0477  *      - Setting AP MAC address and reason code
0478  *      - Ensuring correct endian-ness
0479  */
0480 static int mwifiex_cmd_802_11_deauthenticate(struct mwifiex_private *priv,
0481                          struct host_cmd_ds_command *cmd,
0482                          u8 *mac)
0483 {
0484     struct host_cmd_ds_802_11_deauthenticate *deauth = &cmd->params.deauth;
0485 
0486     cmd->command = cpu_to_le16(HostCmd_CMD_802_11_DEAUTHENTICATE);
0487     cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_deauthenticate)
0488                 + S_DS_GEN);
0489 
0490     /* Set AP MAC address */
0491     memcpy(deauth->mac_addr, mac, ETH_ALEN);
0492 
0493     mwifiex_dbg(priv->adapter, CMD, "cmd: Deauth: %pM\n", deauth->mac_addr);
0494 
0495     deauth->reason_code = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
0496 
0497     return 0;
0498 }
0499 
0500 /*
0501  * This function prepares command to stop Ad-Hoc network.
0502  *
0503  * Preparation includes -
0504  *      - Setting command ID and proper size
0505  *      - Ensuring correct endian-ness
0506  */
0507 static int mwifiex_cmd_802_11_ad_hoc_stop(struct host_cmd_ds_command *cmd)
0508 {
0509     cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_STOP);
0510     cmd->size = cpu_to_le16(S_DS_GEN);
0511     return 0;
0512 }
0513 
0514 /*
0515  * This function sets WEP key(s) to key parameter TLV(s).
0516  *
0517  * Multi-key parameter TLVs are supported, so we can send multiple
0518  * WEP keys in a single buffer.
0519  */
0520 static int
0521 mwifiex_set_keyparamset_wep(struct mwifiex_private *priv,
0522                 struct mwifiex_ie_type_key_param_set *key_param_set,
0523                 u16 *key_param_len)
0524 {
0525     int cur_key_param_len;
0526     u8 i;
0527 
0528     /* Multi-key_param_set TLV is supported */
0529     for (i = 0; i < NUM_WEP_KEYS; i++) {
0530         if ((priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP40) ||
0531             (priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP104)) {
0532             key_param_set->type =
0533                 cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
0534 /* Key_param_set WEP fixed length */
0535 #define KEYPARAMSET_WEP_FIXED_LEN 8
0536             key_param_set->length = cpu_to_le16((u16)
0537                     (priv->wep_key[i].
0538                      key_length +
0539                      KEYPARAMSET_WEP_FIXED_LEN));
0540             key_param_set->key_type_id =
0541                 cpu_to_le16(KEY_TYPE_ID_WEP);
0542             key_param_set->key_info =
0543                 cpu_to_le16(KEY_ENABLED | KEY_UNICAST |
0544                         KEY_MCAST);
0545             key_param_set->key_len =
0546                 cpu_to_le16(priv->wep_key[i].key_length);
0547             /* Set WEP key index */
0548             key_param_set->key[0] = i;
0549             /* Set default Tx key flag */
0550             if (i ==
0551                 (priv->
0552                  wep_key_curr_index & HostCmd_WEP_KEY_INDEX_MASK))
0553                 key_param_set->key[1] = 1;
0554             else
0555                 key_param_set->key[1] = 0;
0556             memmove(&key_param_set->key[2],
0557                 priv->wep_key[i].key_material,
0558                 priv->wep_key[i].key_length);
0559 
0560             cur_key_param_len = priv->wep_key[i].key_length +
0561                 KEYPARAMSET_WEP_FIXED_LEN +
0562                 sizeof(struct mwifiex_ie_types_header);
0563             *key_param_len += (u16) cur_key_param_len;
0564             key_param_set =
0565                 (struct mwifiex_ie_type_key_param_set *)
0566                         ((u8 *)key_param_set +
0567                          cur_key_param_len);
0568         } else if (!priv->wep_key[i].key_length) {
0569             continue;
0570         } else {
0571             mwifiex_dbg(priv->adapter, ERROR,
0572                     "key%d Length = %d is incorrect\n",
0573                     (i + 1), priv->wep_key[i].key_length);
0574             return -1;
0575         }
0576     }
0577 
0578     return 0;
0579 }
0580 
0581 /* This function populates key material v2 command
0582  * to set network key for AES & CMAC AES.
0583  */
0584 static int mwifiex_set_aes_key_v2(struct mwifiex_private *priv,
0585                   struct host_cmd_ds_command *cmd,
0586                   struct mwifiex_ds_encrypt_key *enc_key,
0587                   struct host_cmd_ds_802_11_key_material_v2 *km)
0588 {
0589     struct mwifiex_adapter *adapter = priv->adapter;
0590     u16 size, len = KEY_PARAMS_FIXED_LEN;
0591 
0592     if (enc_key->is_igtk_key) {
0593         mwifiex_dbg(adapter, INFO,
0594                 "%s: Set CMAC AES Key\n", __func__);
0595         if (enc_key->is_rx_seq_valid)
0596             memcpy(km->key_param_set.key_params.cmac_aes.ipn,
0597                    enc_key->pn, enc_key->pn_len);
0598         km->key_param_set.key_info &= cpu_to_le16(~KEY_MCAST);
0599         km->key_param_set.key_info |= cpu_to_le16(KEY_IGTK);
0600         km->key_param_set.key_type = KEY_TYPE_ID_AES_CMAC;
0601         km->key_param_set.key_params.cmac_aes.key_len =
0602                       cpu_to_le16(enc_key->key_len);
0603         memcpy(km->key_param_set.key_params.cmac_aes.key,
0604                enc_key->key_material, enc_key->key_len);
0605         len += sizeof(struct mwifiex_cmac_aes_param);
0606     } else if (enc_key->is_igtk_def_key) {
0607         mwifiex_dbg(adapter, INFO,
0608                 "%s: Set CMAC default Key index\n", __func__);
0609         km->key_param_set.key_type = KEY_TYPE_ID_AES_CMAC_DEF;
0610         km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK;
0611     } else {
0612         mwifiex_dbg(adapter, INFO,
0613                 "%s: Set AES Key\n", __func__);
0614         if (enc_key->is_rx_seq_valid)
0615             memcpy(km->key_param_set.key_params.aes.pn,
0616                    enc_key->pn, enc_key->pn_len);
0617         km->key_param_set.key_type = KEY_TYPE_ID_AES;
0618         km->key_param_set.key_params.aes.key_len =
0619                       cpu_to_le16(enc_key->key_len);
0620         memcpy(km->key_param_set.key_params.aes.key,
0621                enc_key->key_material, enc_key->key_len);
0622         len += sizeof(struct mwifiex_aes_param);
0623     }
0624 
0625     km->key_param_set.len = cpu_to_le16(len);
0626     size = len + sizeof(struct mwifiex_ie_types_header) +
0627            sizeof(km->action) + S_DS_GEN;
0628     cmd->size = cpu_to_le16(size);
0629 
0630     return 0;
0631 }
0632 
0633 /* This function prepares command to set/get/reset network key(s).
0634  * This function prepares key material command for V2 format.
0635  * Preparation includes -
0636  *      - Setting command ID, action and proper size
0637  *      - Setting WEP keys, WAPI keys or WPA keys along with required
0638  *        encryption (TKIP, AES) (as required)
0639  *      - Ensuring correct endian-ness
0640  */
0641 static int
0642 mwifiex_cmd_802_11_key_material_v2(struct mwifiex_private *priv,
0643                    struct host_cmd_ds_command *cmd,
0644                    u16 cmd_action, u32 cmd_oid,
0645                    struct mwifiex_ds_encrypt_key *enc_key)
0646 {
0647     struct mwifiex_adapter *adapter = priv->adapter;
0648     u8 *mac = enc_key->mac_addr;
0649     u16 key_info, len = KEY_PARAMS_FIXED_LEN;
0650     struct host_cmd_ds_802_11_key_material_v2 *km =
0651                         &cmd->params.key_material_v2;
0652 
0653     cmd->command = cpu_to_le16(HostCmd_CMD_802_11_KEY_MATERIAL);
0654     km->action = cpu_to_le16(cmd_action);
0655 
0656     if (cmd_action == HostCmd_ACT_GEN_GET) {
0657         mwifiex_dbg(adapter, INFO, "%s: Get key\n", __func__);
0658         km->key_param_set.key_idx =
0659                     enc_key->key_index & KEY_INDEX_MASK;
0660         km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2);
0661         km->key_param_set.len = cpu_to_le16(KEY_PARAMS_FIXED_LEN);
0662         memcpy(km->key_param_set.mac_addr, mac, ETH_ALEN);
0663 
0664         if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
0665             key_info = KEY_UNICAST;
0666         else
0667             key_info = KEY_MCAST;
0668 
0669         if (enc_key->is_igtk_key)
0670             key_info |= KEY_IGTK;
0671 
0672         km->key_param_set.key_info = cpu_to_le16(key_info);
0673 
0674         cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
0675                     S_DS_GEN + KEY_PARAMS_FIXED_LEN +
0676                     sizeof(km->action));
0677         return 0;
0678     }
0679 
0680     memset(&km->key_param_set, 0,
0681            sizeof(struct mwifiex_ie_type_key_param_set_v2));
0682 
0683     if (enc_key->key_disable) {
0684         mwifiex_dbg(adapter, INFO, "%s: Remove key\n", __func__);
0685         km->action = cpu_to_le16(HostCmd_ACT_GEN_REMOVE);
0686         km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2);
0687         km->key_param_set.len = cpu_to_le16(KEY_PARAMS_FIXED_LEN);
0688         km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK;
0689         key_info = KEY_MCAST | KEY_UNICAST;
0690         km->key_param_set.key_info = cpu_to_le16(key_info);
0691         memcpy(km->key_param_set.mac_addr, mac, ETH_ALEN);
0692         cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
0693                     S_DS_GEN + KEY_PARAMS_FIXED_LEN +
0694                     sizeof(km->action));
0695         return 0;
0696     }
0697 
0698     km->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
0699     km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK;
0700     km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2);
0701     key_info = KEY_ENABLED;
0702     memcpy(km->key_param_set.mac_addr, mac, ETH_ALEN);
0703 
0704     if (enc_key->key_len <= WLAN_KEY_LEN_WEP104) {
0705         mwifiex_dbg(adapter, INFO, "%s: Set WEP Key\n", __func__);
0706         len += sizeof(struct mwifiex_wep_param);
0707         km->key_param_set.len = cpu_to_le16(len);
0708         km->key_param_set.key_type = KEY_TYPE_ID_WEP;
0709 
0710         if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
0711                 key_info |= KEY_MCAST | KEY_UNICAST;
0712         } else {
0713             if (enc_key->is_current_wep_key) {
0714                 key_info |= KEY_MCAST | KEY_UNICAST;
0715                 if (km->key_param_set.key_idx ==
0716                     (priv->wep_key_curr_index & KEY_INDEX_MASK))
0717                     key_info |= KEY_DEFAULT;
0718             } else {
0719                 if (is_broadcast_ether_addr(mac))
0720                     key_info |= KEY_MCAST;
0721                 else
0722                     key_info |= KEY_UNICAST | KEY_DEFAULT;
0723             }
0724         }
0725         km->key_param_set.key_info = cpu_to_le16(key_info);
0726 
0727         km->key_param_set.key_params.wep.key_len =
0728                           cpu_to_le16(enc_key->key_len);
0729         memcpy(km->key_param_set.key_params.wep.key,
0730                enc_key->key_material, enc_key->key_len);
0731 
0732         cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
0733                     len + sizeof(km->action) + S_DS_GEN);
0734         return 0;
0735     }
0736 
0737     if (is_broadcast_ether_addr(mac))
0738         key_info |= KEY_MCAST | KEY_RX_KEY;
0739     else
0740         key_info |= KEY_UNICAST | KEY_TX_KEY | KEY_RX_KEY;
0741 
0742     if (enc_key->is_wapi_key) {
0743         mwifiex_dbg(adapter, INFO, "%s: Set WAPI Key\n", __func__);
0744         km->key_param_set.key_type = KEY_TYPE_ID_WAPI;
0745         memcpy(km->key_param_set.key_params.wapi.pn, enc_key->pn,
0746                PN_LEN);
0747         km->key_param_set.key_params.wapi.key_len =
0748                         cpu_to_le16(enc_key->key_len);
0749         memcpy(km->key_param_set.key_params.wapi.key,
0750                enc_key->key_material, enc_key->key_len);
0751         if (is_broadcast_ether_addr(mac))
0752             priv->sec_info.wapi_key_on = true;
0753 
0754         if (!priv->sec_info.wapi_key_on)
0755             key_info |= KEY_DEFAULT;
0756         km->key_param_set.key_info = cpu_to_le16(key_info);
0757 
0758         len += sizeof(struct mwifiex_wapi_param);
0759         km->key_param_set.len = cpu_to_le16(len);
0760         cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
0761                     len + sizeof(km->action) + S_DS_GEN);
0762         return 0;
0763     }
0764 
0765     if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
0766         key_info |= KEY_DEFAULT;
0767         /* Enable unicast bit for WPA-NONE/ADHOC_AES */
0768         if (!priv->sec_info.wpa2_enabled &&
0769             !is_broadcast_ether_addr(mac))
0770             key_info |= KEY_UNICAST;
0771     } else {
0772         /* Enable default key for WPA/WPA2 */
0773         if (!priv->wpa_is_gtk_set)
0774             key_info |= KEY_DEFAULT;
0775     }
0776 
0777     km->key_param_set.key_info = cpu_to_le16(key_info);
0778 
0779     if (enc_key->key_len == WLAN_KEY_LEN_CCMP)
0780         return mwifiex_set_aes_key_v2(priv, cmd, enc_key, km);
0781 
0782     if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
0783         mwifiex_dbg(adapter, INFO,
0784                 "%s: Set TKIP Key\n", __func__);
0785         if (enc_key->is_rx_seq_valid)
0786             memcpy(km->key_param_set.key_params.tkip.pn,
0787                    enc_key->pn, enc_key->pn_len);
0788         km->key_param_set.key_type = KEY_TYPE_ID_TKIP;
0789         km->key_param_set.key_params.tkip.key_len =
0790                         cpu_to_le16(enc_key->key_len);
0791         memcpy(km->key_param_set.key_params.tkip.key,
0792                enc_key->key_material, enc_key->key_len);
0793 
0794         len += sizeof(struct mwifiex_tkip_param);
0795         km->key_param_set.len = cpu_to_le16(len);
0796         cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
0797                     len + sizeof(km->action) + S_DS_GEN);
0798     }
0799 
0800     return 0;
0801 }
0802 
0803 /*
0804  * This function prepares command to set/get/reset network key(s).
0805  * This function prepares key material command for V1 format.
0806  *
0807  * Preparation includes -
0808  *      - Setting command ID, action and proper size
0809  *      - Setting WEP keys, WAPI keys or WPA keys along with required
0810  *        encryption (TKIP, AES) (as required)
0811  *      - Ensuring correct endian-ness
0812  */
0813 static int
0814 mwifiex_cmd_802_11_key_material_v1(struct mwifiex_private *priv,
0815                    struct host_cmd_ds_command *cmd,
0816                    u16 cmd_action, u32 cmd_oid,
0817                    struct mwifiex_ds_encrypt_key *enc_key)
0818 {
0819     struct host_cmd_ds_802_11_key_material *key_material =
0820         &cmd->params.key_material;
0821     struct host_cmd_tlv_mac_addr *tlv_mac;
0822     u16 key_param_len = 0, cmd_size;
0823     int ret = 0;
0824 
0825     cmd->command = cpu_to_le16(HostCmd_CMD_802_11_KEY_MATERIAL);
0826     key_material->action = cpu_to_le16(cmd_action);
0827 
0828     if (cmd_action == HostCmd_ACT_GEN_GET) {
0829         cmd->size =
0830             cpu_to_le16(sizeof(key_material->action) + S_DS_GEN);
0831         return ret;
0832     }
0833 
0834     if (!enc_key) {
0835         struct host_cmd_ds_802_11_key_material_wep *key_material_wep =
0836             (struct host_cmd_ds_802_11_key_material_wep *)key_material;
0837         memset(key_material_wep->key_param_set, 0,
0838                sizeof(key_material_wep->key_param_set));
0839         ret = mwifiex_set_keyparamset_wep(priv,
0840                           &key_material_wep->key_param_set[0],
0841                           &key_param_len);
0842         cmd->size = cpu_to_le16(key_param_len +
0843                     sizeof(key_material_wep->action) + S_DS_GEN);
0844         return ret;
0845     } else
0846         memset(&key_material->key_param_set, 0,
0847                sizeof(struct mwifiex_ie_type_key_param_set));
0848     if (enc_key->is_wapi_key) {
0849         struct mwifiex_ie_type_key_param_set *set;
0850 
0851         mwifiex_dbg(priv->adapter, INFO, "info: Set WAPI Key\n");
0852         set = &key_material->key_param_set;
0853         set->key_type_id = cpu_to_le16(KEY_TYPE_ID_WAPI);
0854         if (cmd_oid == KEY_INFO_ENABLED)
0855             set->key_info = cpu_to_le16(KEY_ENABLED);
0856         else
0857             set->key_info = cpu_to_le16(!KEY_ENABLED);
0858 
0859         set->key[0] = enc_key->key_index;
0860         if (!priv->sec_info.wapi_key_on)
0861             set->key[1] = 1;
0862         else
0863             /* set 0 when re-key */
0864             set->key[1] = 0;
0865 
0866         if (!is_broadcast_ether_addr(enc_key->mac_addr)) {
0867             /* WAPI pairwise key: unicast */
0868             set->key_info |= cpu_to_le16(KEY_UNICAST);
0869         } else {    /* WAPI group key: multicast */
0870             set->key_info |= cpu_to_le16(KEY_MCAST);
0871             priv->sec_info.wapi_key_on = true;
0872         }
0873 
0874         set->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
0875         set->key_len = cpu_to_le16(WAPI_KEY_LEN);
0876         memcpy(&set->key[2], enc_key->key_material, enc_key->key_len);
0877         memcpy(&set->key[2 + enc_key->key_len], enc_key->pn, PN_LEN);
0878         set->length = cpu_to_le16(WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN);
0879 
0880         key_param_len = (WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN) +
0881                  sizeof(struct mwifiex_ie_types_header);
0882         cmd->size = cpu_to_le16(sizeof(key_material->action)
0883                     + S_DS_GEN +  key_param_len);
0884         return ret;
0885     }
0886     if (enc_key->key_len == WLAN_KEY_LEN_CCMP) {
0887         if (enc_key->is_igtk_key) {
0888             mwifiex_dbg(priv->adapter, CMD, "cmd: CMAC_AES\n");
0889             key_material->key_param_set.key_type_id =
0890                     cpu_to_le16(KEY_TYPE_ID_AES_CMAC);
0891             if (cmd_oid == KEY_INFO_ENABLED)
0892                 key_material->key_param_set.key_info =
0893                         cpu_to_le16(KEY_ENABLED);
0894             else
0895                 key_material->key_param_set.key_info =
0896                         cpu_to_le16(!KEY_ENABLED);
0897 
0898             key_material->key_param_set.key_info |=
0899                             cpu_to_le16(KEY_IGTK);
0900         } else {
0901             mwifiex_dbg(priv->adapter, CMD, "cmd: WPA_AES\n");
0902             key_material->key_param_set.key_type_id =
0903                         cpu_to_le16(KEY_TYPE_ID_AES);
0904             if (cmd_oid == KEY_INFO_ENABLED)
0905                 key_material->key_param_set.key_info =
0906                         cpu_to_le16(KEY_ENABLED);
0907             else
0908                 key_material->key_param_set.key_info =
0909                         cpu_to_le16(!KEY_ENABLED);
0910 
0911             if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
0912                 /* AES pairwise key: unicast */
0913                 key_material->key_param_set.key_info |=
0914                         cpu_to_le16(KEY_UNICAST);
0915             else    /* AES group key: multicast */
0916                 key_material->key_param_set.key_info |=
0917                             cpu_to_le16(KEY_MCAST);
0918         }
0919     } else if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
0920         mwifiex_dbg(priv->adapter, CMD, "cmd: WPA_TKIP\n");
0921         key_material->key_param_set.key_type_id =
0922                         cpu_to_le16(KEY_TYPE_ID_TKIP);
0923         key_material->key_param_set.key_info =
0924                         cpu_to_le16(KEY_ENABLED);
0925 
0926         if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
0927                 /* TKIP pairwise key: unicast */
0928             key_material->key_param_set.key_info |=
0929                         cpu_to_le16(KEY_UNICAST);
0930         else        /* TKIP group key: multicast */
0931             key_material->key_param_set.key_info |=
0932                             cpu_to_le16(KEY_MCAST);
0933     }
0934 
0935     if (key_material->key_param_set.key_type_id) {
0936         key_material->key_param_set.type =
0937                     cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
0938         key_material->key_param_set.key_len =
0939                     cpu_to_le16((u16) enc_key->key_len);
0940         memcpy(key_material->key_param_set.key, enc_key->key_material,
0941                enc_key->key_len);
0942         key_material->key_param_set.length =
0943             cpu_to_le16((u16) enc_key->key_len +
0944                     KEYPARAMSET_FIXED_LEN);
0945 
0946         key_param_len = (u16)(enc_key->key_len + KEYPARAMSET_FIXED_LEN)
0947                 + sizeof(struct mwifiex_ie_types_header);
0948 
0949         if (le16_to_cpu(key_material->key_param_set.key_type_id) ==
0950                             KEY_TYPE_ID_AES_CMAC) {
0951             struct mwifiex_cmac_param *param =
0952                     (void *)key_material->key_param_set.key;
0953 
0954             memcpy(param->ipn, enc_key->pn, IGTK_PN_LEN);
0955             memcpy(param->key, enc_key->key_material,
0956                    WLAN_KEY_LEN_AES_CMAC);
0957 
0958             key_param_len = sizeof(struct mwifiex_cmac_param);
0959             key_material->key_param_set.key_len =
0960                         cpu_to_le16(key_param_len);
0961             key_param_len += KEYPARAMSET_FIXED_LEN;
0962             key_material->key_param_set.length =
0963                         cpu_to_le16(key_param_len);
0964             key_param_len += sizeof(struct mwifiex_ie_types_header);
0965         }
0966 
0967         cmd->size = cpu_to_le16(sizeof(key_material->action) + S_DS_GEN
0968                     + key_param_len);
0969 
0970         if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
0971             tlv_mac = (void *)((u8 *)&key_material->key_param_set +
0972                        key_param_len);
0973             tlv_mac->header.type =
0974                     cpu_to_le16(TLV_TYPE_STA_MAC_ADDR);
0975             tlv_mac->header.len = cpu_to_le16(ETH_ALEN);
0976             memcpy(tlv_mac->mac_addr, enc_key->mac_addr, ETH_ALEN);
0977             cmd_size = key_param_len + S_DS_GEN +
0978                    sizeof(key_material->action) +
0979                    sizeof(struct host_cmd_tlv_mac_addr);
0980         } else {
0981             cmd_size = key_param_len + S_DS_GEN +
0982                    sizeof(key_material->action);
0983         }
0984         cmd->size = cpu_to_le16(cmd_size);
0985     }
0986 
0987     return ret;
0988 }
0989 
0990 /* Wrapper function for setting network key depending upon FW KEY API version */
0991 static int
0992 mwifiex_cmd_802_11_key_material(struct mwifiex_private *priv,
0993                 struct host_cmd_ds_command *cmd,
0994                 u16 cmd_action, u32 cmd_oid,
0995                 struct mwifiex_ds_encrypt_key *enc_key)
0996 {
0997     if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
0998         return mwifiex_cmd_802_11_key_material_v2(priv, cmd,
0999                               cmd_action, cmd_oid,
1000                               enc_key);
1001 
1002     else
1003         return mwifiex_cmd_802_11_key_material_v1(priv, cmd,
1004                               cmd_action, cmd_oid,
1005                               enc_key);
1006 }
1007 
1008 /*
1009  * This function prepares command to set/get 11d domain information.
1010  *
1011  * Preparation includes -
1012  *      - Setting command ID, action and proper size
1013  *      - Setting domain information fields (for SET only)
1014  *      - Ensuring correct endian-ness
1015  */
1016 static int mwifiex_cmd_802_11d_domain_info(struct mwifiex_private *priv,
1017                        struct host_cmd_ds_command *cmd,
1018                        u16 cmd_action)
1019 {
1020     struct mwifiex_adapter *adapter = priv->adapter;
1021     struct host_cmd_ds_802_11d_domain_info *domain_info =
1022         &cmd->params.domain_info;
1023     struct mwifiex_ietypes_domain_param_set *domain =
1024         &domain_info->domain;
1025     u8 no_of_triplet = adapter->domain_reg.no_of_triplet;
1026 
1027     mwifiex_dbg(adapter, INFO,
1028             "info: 11D: no_of_triplet=0x%x\n", no_of_triplet);
1029 
1030     cmd->command = cpu_to_le16(HostCmd_CMD_802_11D_DOMAIN_INFO);
1031     domain_info->action = cpu_to_le16(cmd_action);
1032     if (cmd_action == HostCmd_ACT_GEN_GET) {
1033         cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
1034         return 0;
1035     }
1036 
1037     /* Set domain info fields */
1038     domain->header.type = cpu_to_le16(WLAN_EID_COUNTRY);
1039     memcpy(domain->country_code, adapter->domain_reg.country_code,
1040            sizeof(domain->country_code));
1041 
1042     domain->header.len =
1043         cpu_to_le16((no_of_triplet *
1044                  sizeof(struct ieee80211_country_ie_triplet))
1045                 + sizeof(domain->country_code));
1046 
1047     if (no_of_triplet) {
1048         memcpy(domain->triplet, adapter->domain_reg.triplet,
1049                no_of_triplet * sizeof(struct
1050                           ieee80211_country_ie_triplet));
1051 
1052         cmd->size = cpu_to_le16(sizeof(domain_info->action) +
1053                     le16_to_cpu(domain->header.len) +
1054                     sizeof(struct mwifiex_ie_types_header)
1055                     + S_DS_GEN);
1056     } else {
1057         cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
1058     }
1059 
1060     return 0;
1061 }
1062 
1063 /*
1064  * This function prepares command to set/get IBSS coalescing status.
1065  *
1066  * Preparation includes -
1067  *      - Setting command ID, action and proper size
1068  *      - Setting status to enable or disable (for SET only)
1069  *      - Ensuring correct endian-ness
1070  */
1071 static int mwifiex_cmd_ibss_coalescing_status(struct host_cmd_ds_command *cmd,
1072                           u16 cmd_action, u16 *enable)
1073 {
1074     struct host_cmd_ds_802_11_ibss_status *ibss_coal =
1075         &(cmd->params.ibss_coalescing);
1076 
1077     cmd->command = cpu_to_le16(HostCmd_CMD_802_11_IBSS_COALESCING_STATUS);
1078     cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_ibss_status) +
1079                 S_DS_GEN);
1080     cmd->result = 0;
1081     ibss_coal->action = cpu_to_le16(cmd_action);
1082 
1083     switch (cmd_action) {
1084     case HostCmd_ACT_GEN_SET:
1085         if (enable)
1086             ibss_coal->enable = cpu_to_le16(*enable);
1087         else
1088             ibss_coal->enable = 0;
1089         break;
1090 
1091         /* In other case.. Nothing to do */
1092     case HostCmd_ACT_GEN_GET:
1093     default:
1094         break;
1095     }
1096 
1097     return 0;
1098 }
1099 
1100 /* This function prepares command buffer to get/set memory location value.
1101  */
1102 static int
1103 mwifiex_cmd_mem_access(struct host_cmd_ds_command *cmd, u16 cmd_action,
1104                void *pdata_buf)
1105 {
1106     struct mwifiex_ds_mem_rw *mem_rw = (void *)pdata_buf;
1107     struct host_cmd_ds_mem_access *mem_access = (void *)&cmd->params.mem;
1108 
1109     cmd->command = cpu_to_le16(HostCmd_CMD_MEM_ACCESS);
1110     cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mem_access) +
1111                 S_DS_GEN);
1112 
1113     mem_access->action = cpu_to_le16(cmd_action);
1114     mem_access->addr = cpu_to_le32(mem_rw->addr);
1115     mem_access->value = cpu_to_le32(mem_rw->value);
1116 
1117     return 0;
1118 }
1119 
1120 /*
1121  * This function prepares command to set/get register value.
1122  *
1123  * Preparation includes -
1124  *      - Setting command ID, action and proper size
1125  *      - Setting register offset (for both GET and SET) and
1126  *        register value (for SET only)
1127  *      - Ensuring correct endian-ness
1128  *
1129  * The following type of registers can be accessed with this function -
1130  *      - MAC register
1131  *      - BBP register
1132  *      - RF register
1133  *      - PMIC register
1134  *      - CAU register
1135  *      - EEPROM
1136  */
1137 static int mwifiex_cmd_reg_access(struct host_cmd_ds_command *cmd,
1138                   u16 cmd_action, void *data_buf)
1139 {
1140     struct mwifiex_ds_reg_rw *reg_rw = data_buf;
1141 
1142     switch (le16_to_cpu(cmd->command)) {
1143     case HostCmd_CMD_MAC_REG_ACCESS:
1144     {
1145         struct host_cmd_ds_mac_reg_access *mac_reg;
1146 
1147         cmd->size = cpu_to_le16(sizeof(*mac_reg) + S_DS_GEN);
1148         mac_reg = &cmd->params.mac_reg;
1149         mac_reg->action = cpu_to_le16(cmd_action);
1150         mac_reg->offset = cpu_to_le16((u16) reg_rw->offset);
1151         mac_reg->value = cpu_to_le32(reg_rw->value);
1152         break;
1153     }
1154     case HostCmd_CMD_BBP_REG_ACCESS:
1155     {
1156         struct host_cmd_ds_bbp_reg_access *bbp_reg;
1157 
1158         cmd->size = cpu_to_le16(sizeof(*bbp_reg) + S_DS_GEN);
1159         bbp_reg = &cmd->params.bbp_reg;
1160         bbp_reg->action = cpu_to_le16(cmd_action);
1161         bbp_reg->offset = cpu_to_le16((u16) reg_rw->offset);
1162         bbp_reg->value = (u8) reg_rw->value;
1163         break;
1164     }
1165     case HostCmd_CMD_RF_REG_ACCESS:
1166     {
1167         struct host_cmd_ds_rf_reg_access *rf_reg;
1168 
1169         cmd->size = cpu_to_le16(sizeof(*rf_reg) + S_DS_GEN);
1170         rf_reg = &cmd->params.rf_reg;
1171         rf_reg->action = cpu_to_le16(cmd_action);
1172         rf_reg->offset = cpu_to_le16((u16) reg_rw->offset);
1173         rf_reg->value = (u8) reg_rw->value;
1174         break;
1175     }
1176     case HostCmd_CMD_PMIC_REG_ACCESS:
1177     {
1178         struct host_cmd_ds_pmic_reg_access *pmic_reg;
1179 
1180         cmd->size = cpu_to_le16(sizeof(*pmic_reg) + S_DS_GEN);
1181         pmic_reg = &cmd->params.pmic_reg;
1182         pmic_reg->action = cpu_to_le16(cmd_action);
1183         pmic_reg->offset = cpu_to_le16((u16) reg_rw->offset);
1184         pmic_reg->value = (u8) reg_rw->value;
1185         break;
1186     }
1187     case HostCmd_CMD_CAU_REG_ACCESS:
1188     {
1189         struct host_cmd_ds_rf_reg_access *cau_reg;
1190 
1191         cmd->size = cpu_to_le16(sizeof(*cau_reg) + S_DS_GEN);
1192         cau_reg = &cmd->params.rf_reg;
1193         cau_reg->action = cpu_to_le16(cmd_action);
1194         cau_reg->offset = cpu_to_le16((u16) reg_rw->offset);
1195         cau_reg->value = (u8) reg_rw->value;
1196         break;
1197     }
1198     case HostCmd_CMD_802_11_EEPROM_ACCESS:
1199     {
1200         struct mwifiex_ds_read_eeprom *rd_eeprom = data_buf;
1201         struct host_cmd_ds_802_11_eeprom_access *cmd_eeprom =
1202             &cmd->params.eeprom;
1203 
1204         cmd->size = cpu_to_le16(sizeof(*cmd_eeprom) + S_DS_GEN);
1205         cmd_eeprom->action = cpu_to_le16(cmd_action);
1206         cmd_eeprom->offset = cpu_to_le16(rd_eeprom->offset);
1207         cmd_eeprom->byte_count = cpu_to_le16(rd_eeprom->byte_count);
1208         cmd_eeprom->value = 0;
1209         break;
1210     }
1211     default:
1212         return -1;
1213     }
1214 
1215     return 0;
1216 }
1217 
1218 /*
1219  * This function prepares command to set PCI-Express
1220  * host buffer configuration
1221  *
1222  * Preparation includes -
1223  *      - Setting command ID, action and proper size
1224  *      - Setting host buffer configuration
1225  *      - Ensuring correct endian-ness
1226  */
1227 static int
1228 mwifiex_cmd_pcie_host_spec(struct mwifiex_private *priv,
1229                struct host_cmd_ds_command *cmd, u16 action)
1230 {
1231     struct host_cmd_ds_pcie_details *host_spec =
1232                     &cmd->params.pcie_host_spec;
1233     struct pcie_service_card *card = priv->adapter->card;
1234 
1235     cmd->command = cpu_to_le16(HostCmd_CMD_PCIE_DESC_DETAILS);
1236     cmd->size = cpu_to_le16(sizeof(struct
1237                     host_cmd_ds_pcie_details) + S_DS_GEN);
1238     cmd->result = 0;
1239 
1240     memset(host_spec, 0, sizeof(struct host_cmd_ds_pcie_details));
1241 
1242     if (action != HostCmd_ACT_GEN_SET)
1243         return 0;
1244 
1245     /* Send the ring base addresses and count to firmware */
1246     host_spec->txbd_addr_lo = cpu_to_le32((u32)(card->txbd_ring_pbase));
1247     host_spec->txbd_addr_hi =
1248             cpu_to_le32((u32)(((u64)card->txbd_ring_pbase) >> 32));
1249     host_spec->txbd_count = cpu_to_le32(MWIFIEX_MAX_TXRX_BD);
1250     host_spec->rxbd_addr_lo = cpu_to_le32((u32)(card->rxbd_ring_pbase));
1251     host_spec->rxbd_addr_hi =
1252             cpu_to_le32((u32)(((u64)card->rxbd_ring_pbase) >> 32));
1253     host_spec->rxbd_count = cpu_to_le32(MWIFIEX_MAX_TXRX_BD);
1254     host_spec->evtbd_addr_lo = cpu_to_le32((u32)(card->evtbd_ring_pbase));
1255     host_spec->evtbd_addr_hi =
1256             cpu_to_le32((u32)(((u64)card->evtbd_ring_pbase) >> 32));
1257     host_spec->evtbd_count = cpu_to_le32(MWIFIEX_MAX_EVT_BD);
1258     if (card->sleep_cookie_vbase) {
1259         host_spec->sleep_cookie_addr_lo =
1260                 cpu_to_le32((u32)(card->sleep_cookie_pbase));
1261         host_spec->sleep_cookie_addr_hi = cpu_to_le32((u32)(((u64)
1262                     (card->sleep_cookie_pbase)) >> 32));
1263         mwifiex_dbg(priv->adapter, INFO,
1264                 "sleep_cook_lo phy addr: 0x%x\n",
1265                 host_spec->sleep_cookie_addr_lo);
1266     }
1267 
1268     return 0;
1269 }
1270 
1271 /*
1272  * This function prepares command for event subscription, configuration
1273  * and query. Events can be subscribed or unsubscribed. Current subscribed
1274  * events can be queried. Also, current subscribed events are reported in
1275  * every FW response.
1276  */
1277 static int
1278 mwifiex_cmd_802_11_subsc_evt(struct mwifiex_private *priv,
1279                  struct host_cmd_ds_command *cmd,
1280                  struct mwifiex_ds_misc_subsc_evt *subsc_evt_cfg)
1281 {
1282     struct host_cmd_ds_802_11_subsc_evt *subsc_evt = &cmd->params.subsc_evt;
1283     struct mwifiex_ie_types_rssi_threshold *rssi_tlv;
1284     u16 event_bitmap;
1285     u8 *pos;
1286 
1287     cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SUBSCRIBE_EVENT);
1288     cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_subsc_evt) +
1289                 S_DS_GEN);
1290 
1291     subsc_evt->action = cpu_to_le16(subsc_evt_cfg->action);
1292     mwifiex_dbg(priv->adapter, CMD,
1293             "cmd: action: %d\n", subsc_evt_cfg->action);
1294 
1295     /*For query requests, no configuration TLV structures are to be added.*/
1296     if (subsc_evt_cfg->action == HostCmd_ACT_GEN_GET)
1297         return 0;
1298 
1299     subsc_evt->events = cpu_to_le16(subsc_evt_cfg->events);
1300 
1301     event_bitmap = subsc_evt_cfg->events;
1302     mwifiex_dbg(priv->adapter, CMD, "cmd: event bitmap : %16x\n",
1303             event_bitmap);
1304 
1305     if (((subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR) ||
1306          (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_SET)) &&
1307         (event_bitmap == 0)) {
1308         mwifiex_dbg(priv->adapter, ERROR,
1309                 "Error: No event specified\t"
1310                 "for bitwise action type\n");
1311         return -EINVAL;
1312     }
1313 
1314     /*
1315      * Append TLV structures for each of the specified events for
1316      * subscribing or re-configuring. This is not required for
1317      * bitwise unsubscribing request.
1318      */
1319     if (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR)
1320         return 0;
1321 
1322     pos = ((u8 *)subsc_evt) +
1323             sizeof(struct host_cmd_ds_802_11_subsc_evt);
1324 
1325     if (event_bitmap & BITMASK_BCN_RSSI_LOW) {
1326         rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
1327 
1328         rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_LOW);
1329         rssi_tlv->header.len =
1330             cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
1331                 sizeof(struct mwifiex_ie_types_header));
1332         rssi_tlv->abs_value = subsc_evt_cfg->bcn_l_rssi_cfg.abs_value;
1333         rssi_tlv->evt_freq = subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq;
1334 
1335         mwifiex_dbg(priv->adapter, EVENT,
1336                 "Cfg Beacon Low Rssi event,\t"
1337                 "RSSI:-%d dBm, Freq:%d\n",
1338                 subsc_evt_cfg->bcn_l_rssi_cfg.abs_value,
1339                 subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq);
1340 
1341         pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
1342         le16_unaligned_add_cpu(&cmd->size,
1343                        sizeof(
1344                        struct mwifiex_ie_types_rssi_threshold));
1345     }
1346 
1347     if (event_bitmap & BITMASK_BCN_RSSI_HIGH) {
1348         rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
1349 
1350         rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_HIGH);
1351         rssi_tlv->header.len =
1352             cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
1353                 sizeof(struct mwifiex_ie_types_header));
1354         rssi_tlv->abs_value = subsc_evt_cfg->bcn_h_rssi_cfg.abs_value;
1355         rssi_tlv->evt_freq = subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq;
1356 
1357         mwifiex_dbg(priv->adapter, EVENT,
1358                 "Cfg Beacon High Rssi event,\t"
1359                 "RSSI:-%d dBm, Freq:%d\n",
1360                 subsc_evt_cfg->bcn_h_rssi_cfg.abs_value,
1361                 subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq);
1362 
1363         pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
1364         le16_unaligned_add_cpu(&cmd->size,
1365                        sizeof(
1366                        struct mwifiex_ie_types_rssi_threshold));
1367     }
1368 
1369     return 0;
1370 }
1371 
1372 static int
1373 mwifiex_cmd_append_rpn_expression(struct mwifiex_private *priv,
1374                   struct mwifiex_mef_entry *mef_entry,
1375                   u8 **buffer)
1376 {
1377     struct mwifiex_mef_filter *filter = mef_entry->filter;
1378     int i, byte_len;
1379     u8 *stack_ptr = *buffer;
1380 
1381     for (i = 0; i < MWIFIEX_MEF_MAX_FILTERS; i++) {
1382         filter = &mef_entry->filter[i];
1383         if (!filter->filt_type)
1384             break;
1385         put_unaligned_le32((u32)filter->repeat, stack_ptr);
1386         stack_ptr += 4;
1387         *stack_ptr = TYPE_DNUM;
1388         stack_ptr += 1;
1389 
1390         byte_len = filter->byte_seq[MWIFIEX_MEF_MAX_BYTESEQ];
1391         memcpy(stack_ptr, filter->byte_seq, byte_len);
1392         stack_ptr += byte_len;
1393         *stack_ptr = byte_len;
1394         stack_ptr += 1;
1395         *stack_ptr = TYPE_BYTESEQ;
1396         stack_ptr += 1;
1397         put_unaligned_le32((u32)filter->offset, stack_ptr);
1398         stack_ptr += 4;
1399         *stack_ptr = TYPE_DNUM;
1400         stack_ptr += 1;
1401 
1402         *stack_ptr = filter->filt_type;
1403         stack_ptr += 1;
1404 
1405         if (filter->filt_action) {
1406             *stack_ptr = filter->filt_action;
1407             stack_ptr += 1;
1408         }
1409 
1410         if (stack_ptr - *buffer > STACK_NBYTES)
1411             return -1;
1412     }
1413 
1414     *buffer = stack_ptr;
1415     return 0;
1416 }
1417 
1418 static int
1419 mwifiex_cmd_mef_cfg(struct mwifiex_private *priv,
1420             struct host_cmd_ds_command *cmd,
1421             struct mwifiex_ds_mef_cfg *mef)
1422 {
1423     struct host_cmd_ds_mef_cfg *mef_cfg = &cmd->params.mef_cfg;
1424     struct mwifiex_fw_mef_entry *mef_entry = NULL;
1425     u8 *pos = (u8 *)mef_cfg;
1426     u16 i;
1427 
1428     cmd->command = cpu_to_le16(HostCmd_CMD_MEF_CFG);
1429 
1430     mef_cfg->criteria = cpu_to_le32(mef->criteria);
1431     mef_cfg->num_entries = cpu_to_le16(mef->num_entries);
1432     pos += sizeof(*mef_cfg);
1433 
1434     for (i = 0; i < mef->num_entries; i++) {
1435         mef_entry = (struct mwifiex_fw_mef_entry *)pos;
1436         mef_entry->mode = mef->mef_entry[i].mode;
1437         mef_entry->action = mef->mef_entry[i].action;
1438         pos += sizeof(*mef_cfg->mef_entry);
1439 
1440         if (mwifiex_cmd_append_rpn_expression(priv,
1441                               &mef->mef_entry[i], &pos))
1442             return -1;
1443 
1444         mef_entry->exprsize =
1445             cpu_to_le16(pos - mef_entry->expr);
1446     }
1447     cmd->size = cpu_to_le16((u16) (pos - (u8 *)mef_cfg) + S_DS_GEN);
1448 
1449     return 0;
1450 }
1451 
1452 /* This function parse cal data from ASCII to hex */
1453 static u32 mwifiex_parse_cal_cfg(u8 *src, size_t len, u8 *dst)
1454 {
1455     u8 *s = src, *d = dst;
1456 
1457     while (s - src < len) {
1458         if (*s && (isspace(*s) || *s == '\t')) {
1459             s++;
1460             continue;
1461         }
1462         if (isxdigit(*s)) {
1463             *d++ = simple_strtol(s, NULL, 16);
1464             s += 2;
1465         } else {
1466             s++;
1467         }
1468     }
1469 
1470     return d - dst;
1471 }
1472 
1473 int mwifiex_dnld_dt_cfgdata(struct mwifiex_private *priv,
1474                 struct device_node *node, const char *prefix)
1475 {
1476 #ifdef CONFIG_OF
1477     struct property *prop;
1478     size_t len = strlen(prefix);
1479     int ret;
1480 
1481     /* look for all matching property names */
1482     for_each_property_of_node(node, prop) {
1483         if (len > strlen(prop->name) ||
1484             strncmp(prop->name, prefix, len))
1485             continue;
1486 
1487         /* property header is 6 bytes, data must fit in cmd buffer */
1488         if (prop->value && prop->length > 6 &&
1489             prop->length <= MWIFIEX_SIZE_OF_CMD_BUFFER - S_DS_GEN) {
1490             ret = mwifiex_send_cmd(priv, HostCmd_CMD_CFG_DATA,
1491                            HostCmd_ACT_GEN_SET, 0,
1492                            prop, true);
1493             if (ret)
1494                 return ret;
1495         }
1496     }
1497 #endif
1498     return 0;
1499 }
1500 
1501 /* This function prepares command of set_cfg_data. */
1502 static int mwifiex_cmd_cfg_data(struct mwifiex_private *priv,
1503                 struct host_cmd_ds_command *cmd, void *data_buf)
1504 {
1505     struct mwifiex_adapter *adapter = priv->adapter;
1506     struct property *prop = data_buf;
1507     u32 len;
1508     u8 *data = (u8 *)cmd + S_DS_GEN;
1509     int ret;
1510 
1511     if (prop) {
1512         len = prop->length;
1513         ret = of_property_read_u8_array(adapter->dt_node, prop->name,
1514                         data, len);
1515         if (ret)
1516             return ret;
1517         mwifiex_dbg(adapter, INFO,
1518                 "download cfg_data from device tree: %s\n",
1519                 prop->name);
1520     } else if (adapter->cal_data->data && adapter->cal_data->size > 0) {
1521         len = mwifiex_parse_cal_cfg((u8 *)adapter->cal_data->data,
1522                         adapter->cal_data->size, data);
1523         mwifiex_dbg(adapter, INFO,
1524                 "download cfg_data from config file\n");
1525     } else {
1526         return -1;
1527     }
1528 
1529     cmd->command = cpu_to_le16(HostCmd_CMD_CFG_DATA);
1530     cmd->size = cpu_to_le16(S_DS_GEN + len);
1531 
1532     return 0;
1533 }
1534 
1535 static int
1536 mwifiex_cmd_set_mc_policy(struct mwifiex_private *priv,
1537               struct host_cmd_ds_command *cmd,
1538               u16 cmd_action, void *data_buf)
1539 {
1540     struct host_cmd_ds_multi_chan_policy *mc_pol = &cmd->params.mc_policy;
1541     const u16 *drcs_info = data_buf;
1542 
1543     mc_pol->action = cpu_to_le16(cmd_action);
1544     mc_pol->policy = cpu_to_le16(*drcs_info);
1545     cmd->command = cpu_to_le16(HostCmd_CMD_MC_POLICY);
1546     cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_multi_chan_policy) +
1547                 S_DS_GEN);
1548     return 0;
1549 }
1550 
1551 static int mwifiex_cmd_robust_coex(struct mwifiex_private *priv,
1552                    struct host_cmd_ds_command *cmd,
1553                    u16 cmd_action, bool *is_timeshare)
1554 {
1555     struct host_cmd_ds_robust_coex *coex = &cmd->params.coex;
1556     struct mwifiex_ie_types_robust_coex *coex_tlv;
1557 
1558     cmd->command = cpu_to_le16(HostCmd_CMD_ROBUST_COEX);
1559     cmd->size = cpu_to_le16(sizeof(*coex) + sizeof(*coex_tlv) + S_DS_GEN);
1560 
1561     coex->action = cpu_to_le16(cmd_action);
1562     coex_tlv = (struct mwifiex_ie_types_robust_coex *)
1563                 ((u8 *)coex + sizeof(*coex));
1564     coex_tlv->header.type = cpu_to_le16(TLV_TYPE_ROBUST_COEX);
1565     coex_tlv->header.len = cpu_to_le16(sizeof(coex_tlv->mode));
1566 
1567     if (coex->action == HostCmd_ACT_GEN_GET)
1568         return 0;
1569 
1570     if (*is_timeshare)
1571         coex_tlv->mode = cpu_to_le32(MWIFIEX_COEX_MODE_TIMESHARE);
1572     else
1573         coex_tlv->mode = cpu_to_le32(MWIFIEX_COEX_MODE_SPATIAL);
1574 
1575     return 0;
1576 }
1577 
1578 static int mwifiex_cmd_gtk_rekey_offload(struct mwifiex_private *priv,
1579                      struct host_cmd_ds_command *cmd,
1580                      u16 cmd_action,
1581                      struct cfg80211_gtk_rekey_data *data)
1582 {
1583     struct host_cmd_ds_gtk_rekey_params *rekey = &cmd->params.rekey;
1584     u64 rekey_ctr;
1585 
1586     cmd->command = cpu_to_le16(HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG);
1587     cmd->size = cpu_to_le16(sizeof(*rekey) + S_DS_GEN);
1588 
1589     rekey->action = cpu_to_le16(cmd_action);
1590     if (cmd_action == HostCmd_ACT_GEN_SET) {
1591         memcpy(rekey->kek, data->kek, NL80211_KEK_LEN);
1592         memcpy(rekey->kck, data->kck, NL80211_KCK_LEN);
1593         rekey_ctr = be64_to_cpup((__be64 *)data->replay_ctr);
1594         rekey->replay_ctr_low = cpu_to_le32((u32)rekey_ctr);
1595         rekey->replay_ctr_high =
1596             cpu_to_le32((u32)((u64)rekey_ctr >> 32));
1597     }
1598 
1599     return 0;
1600 }
1601 
1602 static int mwifiex_cmd_chan_region_cfg(struct mwifiex_private *priv,
1603                        struct host_cmd_ds_command *cmd,
1604                        u16 cmd_action)
1605 {
1606     struct host_cmd_ds_chan_region_cfg *reg = &cmd->params.reg_cfg;
1607 
1608     cmd->command = cpu_to_le16(HostCmd_CMD_CHAN_REGION_CFG);
1609     cmd->size = cpu_to_le16(sizeof(*reg) + S_DS_GEN);
1610 
1611     if (cmd_action == HostCmd_ACT_GEN_GET)
1612         reg->action = cpu_to_le16(cmd_action);
1613 
1614     return 0;
1615 }
1616 
1617 static int
1618 mwifiex_cmd_coalesce_cfg(struct mwifiex_private *priv,
1619              struct host_cmd_ds_command *cmd,
1620              u16 cmd_action, void *data_buf)
1621 {
1622     struct host_cmd_ds_coalesce_cfg *coalesce_cfg =
1623                         &cmd->params.coalesce_cfg;
1624     struct mwifiex_ds_coalesce_cfg *cfg = data_buf;
1625     struct coalesce_filt_field_param *param;
1626     u16 cnt, idx, length;
1627     struct coalesce_receive_filt_rule *rule;
1628 
1629     cmd->command = cpu_to_le16(HostCmd_CMD_COALESCE_CFG);
1630     cmd->size = cpu_to_le16(S_DS_GEN);
1631 
1632     coalesce_cfg->action = cpu_to_le16(cmd_action);
1633     coalesce_cfg->num_of_rules = cpu_to_le16(cfg->num_of_rules);
1634     rule = coalesce_cfg->rule;
1635 
1636     for (cnt = 0; cnt < cfg->num_of_rules; cnt++) {
1637         rule->header.type = cpu_to_le16(TLV_TYPE_COALESCE_RULE);
1638         rule->max_coalescing_delay =
1639             cpu_to_le16(cfg->rule[cnt].max_coalescing_delay);
1640         rule->pkt_type = cfg->rule[cnt].pkt_type;
1641         rule->num_of_fields = cfg->rule[cnt].num_of_fields;
1642 
1643         length = 0;
1644 
1645         param = rule->params;
1646         for (idx = 0; idx < cfg->rule[cnt].num_of_fields; idx++) {
1647             param->operation = cfg->rule[cnt].params[idx].operation;
1648             param->operand_len =
1649                     cfg->rule[cnt].params[idx].operand_len;
1650             param->offset =
1651                 cpu_to_le16(cfg->rule[cnt].params[idx].offset);
1652             memcpy(param->operand_byte_stream,
1653                    cfg->rule[cnt].params[idx].operand_byte_stream,
1654                    param->operand_len);
1655 
1656             length += sizeof(struct coalesce_filt_field_param);
1657 
1658             param++;
1659         }
1660 
1661         /* Total rule length is sizeof max_coalescing_delay(u16),
1662          * num_of_fields(u8), pkt_type(u8) and total length of the all
1663          * params
1664          */
1665         rule->header.len = cpu_to_le16(length + sizeof(u16) +
1666                            sizeof(u8) + sizeof(u8));
1667 
1668         /* Add the rule length to the command size*/
1669         le16_unaligned_add_cpu(&cmd->size,
1670                        le16_to_cpu(rule->header.len) +
1671                        sizeof(struct mwifiex_ie_types_header));
1672 
1673         rule = (void *)((u8 *)rule->params + length);
1674     }
1675 
1676     /* Add sizeof action, num_of_rules to total command length */
1677     le16_unaligned_add_cpu(&cmd->size, sizeof(u16) + sizeof(u16));
1678 
1679     return 0;
1680 }
1681 
1682 static int
1683 mwifiex_cmd_tdls_config(struct mwifiex_private *priv,
1684             struct host_cmd_ds_command *cmd,
1685             u16 cmd_action, void *data_buf)
1686 {
1687     struct host_cmd_ds_tdls_config *tdls_config = &cmd->params.tdls_config;
1688     struct mwifiex_tdls_init_cs_params *config;
1689     struct mwifiex_tdls_config *init_config;
1690     u16 len;
1691 
1692     cmd->command = cpu_to_le16(HostCmd_CMD_TDLS_CONFIG);
1693     cmd->size = cpu_to_le16(S_DS_GEN);
1694     tdls_config->tdls_action = cpu_to_le16(cmd_action);
1695     le16_unaligned_add_cpu(&cmd->size, sizeof(tdls_config->tdls_action));
1696 
1697     switch (cmd_action) {
1698     case ACT_TDLS_CS_ENABLE_CONFIG:
1699         init_config = data_buf;
1700         len = sizeof(*init_config);
1701         memcpy(tdls_config->tdls_data, init_config, len);
1702         break;
1703     case ACT_TDLS_CS_INIT:
1704         config = data_buf;
1705         len = sizeof(*config);
1706         memcpy(tdls_config->tdls_data, config, len);
1707         break;
1708     case ACT_TDLS_CS_STOP:
1709         len = sizeof(struct mwifiex_tdls_stop_cs_params);
1710         memcpy(tdls_config->tdls_data, data_buf, len);
1711         break;
1712     case ACT_TDLS_CS_PARAMS:
1713         len = sizeof(struct mwifiex_tdls_config_cs_params);
1714         memcpy(tdls_config->tdls_data, data_buf, len);
1715         break;
1716     default:
1717         mwifiex_dbg(priv->adapter, ERROR,
1718                 "Unknown TDLS configuration\n");
1719         return -EOPNOTSUPP;
1720     }
1721 
1722     le16_unaligned_add_cpu(&cmd->size, len);
1723     return 0;
1724 }
1725 
1726 static int
1727 mwifiex_cmd_tdls_oper(struct mwifiex_private *priv,
1728               struct host_cmd_ds_command *cmd,
1729               void *data_buf)
1730 {
1731     struct host_cmd_ds_tdls_oper *tdls_oper = &cmd->params.tdls_oper;
1732     struct mwifiex_ds_tdls_oper *oper = data_buf;
1733     struct host_cmd_tlv_rates *tlv_rates;
1734     struct mwifiex_ie_types_htcap *ht_capab;
1735     struct mwifiex_ie_types_qos_info *wmm_qos_info;
1736     struct mwifiex_ie_types_extcap *extcap;
1737     struct mwifiex_ie_types_vhtcap *vht_capab;
1738     struct mwifiex_ie_types_aid *aid;
1739     struct mwifiex_ie_types_tdls_idle_timeout *timeout;
1740     u8 *pos;
1741     u16 config_len = 0;
1742     struct station_parameters *params = priv->sta_params;
1743 
1744     cmd->command = cpu_to_le16(HostCmd_CMD_TDLS_OPER);
1745     cmd->size = cpu_to_le16(S_DS_GEN);
1746     le16_unaligned_add_cpu(&cmd->size,
1747                    sizeof(struct host_cmd_ds_tdls_oper));
1748 
1749     tdls_oper->reason = 0;
1750     memcpy(tdls_oper->peer_mac, oper->peer_mac, ETH_ALEN);
1751 
1752     pos = (u8 *)tdls_oper + sizeof(struct host_cmd_ds_tdls_oper);
1753 
1754     switch (oper->tdls_action) {
1755     case MWIFIEX_TDLS_DISABLE_LINK:
1756         tdls_oper->tdls_action = cpu_to_le16(ACT_TDLS_DELETE);
1757         break;
1758     case MWIFIEX_TDLS_CREATE_LINK:
1759         tdls_oper->tdls_action = cpu_to_le16(ACT_TDLS_CREATE);
1760         break;
1761     case MWIFIEX_TDLS_CONFIG_LINK:
1762         tdls_oper->tdls_action = cpu_to_le16(ACT_TDLS_CONFIG);
1763 
1764         if (!params) {
1765             mwifiex_dbg(priv->adapter, ERROR,
1766                     "TDLS config params not available for %pM\n",
1767                     oper->peer_mac);
1768             return -ENODATA;
1769         }
1770 
1771         put_unaligned_le16(params->capability, pos);
1772         config_len += sizeof(params->capability);
1773 
1774         wmm_qos_info = (void *)(pos + config_len);
1775         wmm_qos_info->header.type = cpu_to_le16(WLAN_EID_QOS_CAPA);
1776         wmm_qos_info->header.len =
1777                 cpu_to_le16(sizeof(wmm_qos_info->qos_info));
1778         wmm_qos_info->qos_info = 0;
1779         config_len += sizeof(struct mwifiex_ie_types_qos_info);
1780 
1781         if (params->link_sta_params.ht_capa) {
1782             ht_capab = (struct mwifiex_ie_types_htcap *)(pos +
1783                                     config_len);
1784             ht_capab->header.type =
1785                         cpu_to_le16(WLAN_EID_HT_CAPABILITY);
1786             ht_capab->header.len =
1787                    cpu_to_le16(sizeof(struct ieee80211_ht_cap));
1788             memcpy(&ht_capab->ht_cap, params->link_sta_params.ht_capa,
1789                    sizeof(struct ieee80211_ht_cap));
1790             config_len += sizeof(struct mwifiex_ie_types_htcap);
1791         }
1792 
1793         if (params->link_sta_params.supported_rates &&
1794             params->link_sta_params.supported_rates_len) {
1795             tlv_rates = (struct host_cmd_tlv_rates *)(pos +
1796                                   config_len);
1797             tlv_rates->header.type =
1798                            cpu_to_le16(WLAN_EID_SUPP_RATES);
1799             tlv_rates->header.len =
1800                        cpu_to_le16(params->link_sta_params.supported_rates_len);
1801             memcpy(tlv_rates->rates,
1802                    params->link_sta_params.supported_rates,
1803                    params->link_sta_params.supported_rates_len);
1804             config_len += sizeof(struct host_cmd_tlv_rates) +
1805                       params->link_sta_params.supported_rates_len;
1806         }
1807 
1808         if (params->ext_capab && params->ext_capab_len) {
1809             extcap = (struct mwifiex_ie_types_extcap *)(pos +
1810                                     config_len);
1811             extcap->header.type =
1812                        cpu_to_le16(WLAN_EID_EXT_CAPABILITY);
1813             extcap->header.len = cpu_to_le16(params->ext_capab_len);
1814             memcpy(extcap->ext_capab, params->ext_capab,
1815                    params->ext_capab_len);
1816             config_len += sizeof(struct mwifiex_ie_types_extcap) +
1817                       params->ext_capab_len;
1818         }
1819         if (params->link_sta_params.vht_capa) {
1820             vht_capab = (struct mwifiex_ie_types_vhtcap *)(pos +
1821                                     config_len);
1822             vht_capab->header.type =
1823                        cpu_to_le16(WLAN_EID_VHT_CAPABILITY);
1824             vht_capab->header.len =
1825                   cpu_to_le16(sizeof(struct ieee80211_vht_cap));
1826             memcpy(&vht_capab->vht_cap, params->link_sta_params.vht_capa,
1827                    sizeof(struct ieee80211_vht_cap));
1828             config_len += sizeof(struct mwifiex_ie_types_vhtcap);
1829         }
1830         if (params->aid) {
1831             aid = (struct mwifiex_ie_types_aid *)(pos + config_len);
1832             aid->header.type = cpu_to_le16(WLAN_EID_AID);
1833             aid->header.len = cpu_to_le16(sizeof(params->aid));
1834             aid->aid = cpu_to_le16(params->aid);
1835             config_len += sizeof(struct mwifiex_ie_types_aid);
1836         }
1837 
1838         timeout = (void *)(pos + config_len);
1839         timeout->header.type = cpu_to_le16(TLV_TYPE_TDLS_IDLE_TIMEOUT);
1840         timeout->header.len = cpu_to_le16(sizeof(timeout->value));
1841         timeout->value = cpu_to_le16(MWIFIEX_TDLS_IDLE_TIMEOUT_IN_SEC);
1842         config_len += sizeof(struct mwifiex_ie_types_tdls_idle_timeout);
1843 
1844         break;
1845     default:
1846         mwifiex_dbg(priv->adapter, ERROR, "Unknown TDLS operation\n");
1847         return -EOPNOTSUPP;
1848     }
1849 
1850     le16_unaligned_add_cpu(&cmd->size, config_len);
1851 
1852     return 0;
1853 }
1854 
1855 /* This function prepares command of sdio rx aggr info. */
1856 static int mwifiex_cmd_sdio_rx_aggr_cfg(struct host_cmd_ds_command *cmd,
1857                     u16 cmd_action, void *data_buf)
1858 {
1859     struct host_cmd_sdio_sp_rx_aggr_cfg *cfg =
1860                     &cmd->params.sdio_rx_aggr_cfg;
1861 
1862     cmd->command = cpu_to_le16(HostCmd_CMD_SDIO_SP_RX_AGGR_CFG);
1863     cmd->size =
1864         cpu_to_le16(sizeof(struct host_cmd_sdio_sp_rx_aggr_cfg) +
1865                 S_DS_GEN);
1866     cfg->action = cmd_action;
1867     if (cmd_action == HostCmd_ACT_GEN_SET)
1868         cfg->enable = *(u8 *)data_buf;
1869 
1870     return 0;
1871 }
1872 
1873 /* This function prepares command to get HS wakeup reason.
1874  *
1875  * Preparation includes -
1876  *      - Setting command ID, action and proper size
1877  *      - Ensuring correct endian-ness
1878  */
1879 static int mwifiex_cmd_get_wakeup_reason(struct mwifiex_private *priv,
1880                      struct host_cmd_ds_command *cmd)
1881 {
1882     cmd->command = cpu_to_le16(HostCmd_CMD_HS_WAKEUP_REASON);
1883     cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_wakeup_reason) +
1884                 S_DS_GEN);
1885 
1886     return 0;
1887 }
1888 
1889 static int mwifiex_cmd_get_chan_info(struct host_cmd_ds_command *cmd,
1890                      u16 cmd_action)
1891 {
1892     struct host_cmd_ds_sta_configure *sta_cfg_cmd = &cmd->params.sta_cfg;
1893     struct host_cmd_tlv_channel_band *tlv_band_channel =
1894     (struct host_cmd_tlv_channel_band *)sta_cfg_cmd->tlv_buffer;
1895 
1896     cmd->command = cpu_to_le16(HostCmd_CMD_STA_CONFIGURE);
1897     cmd->size = cpu_to_le16(sizeof(*sta_cfg_cmd) +
1898                 sizeof(*tlv_band_channel) + S_DS_GEN);
1899     sta_cfg_cmd->action = cpu_to_le16(cmd_action);
1900     memset(tlv_band_channel, 0, sizeof(*tlv_band_channel));
1901     tlv_band_channel->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
1902     tlv_band_channel->header.len  = cpu_to_le16(sizeof(*tlv_band_channel) -
1903                     sizeof(struct mwifiex_ie_types_header));
1904 
1905     return 0;
1906 }
1907 
1908 /* This function check if the command is supported by firmware */
1909 static int mwifiex_is_cmd_supported(struct mwifiex_private *priv, u16 cmd_no)
1910 {
1911     if (!ISSUPP_ADHOC_ENABLED(priv->adapter->fw_cap_info)) {
1912         switch (cmd_no) {
1913         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
1914         case HostCmd_CMD_802_11_AD_HOC_START:
1915         case HostCmd_CMD_802_11_AD_HOC_JOIN:
1916         case HostCmd_CMD_802_11_AD_HOC_STOP:
1917             return -EOPNOTSUPP;
1918         default:
1919             break;
1920         }
1921     }
1922 
1923     return 0;
1924 }
1925 
1926 /*
1927  * This function prepares the commands before sending them to the firmware.
1928  *
1929  * This is a generic function which calls specific command preparation
1930  * routines based upon the command number.
1931  */
1932 int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
1933                 u16 cmd_action, u32 cmd_oid,
1934                 void *data_buf, void *cmd_buf)
1935 {
1936     struct host_cmd_ds_command *cmd_ptr = cmd_buf;
1937     int ret = 0;
1938 
1939     if (mwifiex_is_cmd_supported(priv, cmd_no)) {
1940         mwifiex_dbg(priv->adapter, ERROR,
1941                 "0x%x command not supported by firmware\n",
1942                 cmd_no);
1943         return -EOPNOTSUPP;
1944     }
1945 
1946     /* Prepare command */
1947     switch (cmd_no) {
1948     case HostCmd_CMD_GET_HW_SPEC:
1949         ret = mwifiex_cmd_get_hw_spec(priv, cmd_ptr);
1950         break;
1951     case HostCmd_CMD_CFG_DATA:
1952         ret = mwifiex_cmd_cfg_data(priv, cmd_ptr, data_buf);
1953         break;
1954     case HostCmd_CMD_MAC_CONTROL:
1955         ret = mwifiex_cmd_mac_control(priv, cmd_ptr, cmd_action,
1956                           data_buf);
1957         break;
1958     case HostCmd_CMD_802_11_MAC_ADDRESS:
1959         ret = mwifiex_cmd_802_11_mac_address(priv, cmd_ptr,
1960                              cmd_action);
1961         break;
1962     case HostCmd_CMD_MAC_MULTICAST_ADR:
1963         ret = mwifiex_cmd_mac_multicast_adr(cmd_ptr, cmd_action,
1964                             data_buf);
1965         break;
1966     case HostCmd_CMD_TX_RATE_CFG:
1967         ret = mwifiex_cmd_tx_rate_cfg(priv, cmd_ptr, cmd_action,
1968                           data_buf);
1969         break;
1970     case HostCmd_CMD_TXPWR_CFG:
1971         ret = mwifiex_cmd_tx_power_cfg(cmd_ptr, cmd_action,
1972                            data_buf);
1973         break;
1974     case HostCmd_CMD_RF_TX_PWR:
1975         ret = mwifiex_cmd_rf_tx_power(priv, cmd_ptr, cmd_action,
1976                           data_buf);
1977         break;
1978     case HostCmd_CMD_RF_ANTENNA:
1979         ret = mwifiex_cmd_rf_antenna(priv, cmd_ptr, cmd_action,
1980                          data_buf);
1981         break;
1982     case HostCmd_CMD_802_11_PS_MODE_ENH:
1983         ret = mwifiex_cmd_enh_power_mode(priv, cmd_ptr, cmd_action,
1984                          (uint16_t)cmd_oid, data_buf);
1985         break;
1986     case HostCmd_CMD_802_11_HS_CFG_ENH:
1987         ret = mwifiex_cmd_802_11_hs_cfg(priv, cmd_ptr, cmd_action,
1988                 (struct mwifiex_hs_config_param *) data_buf);
1989         break;
1990     case HostCmd_CMD_802_11_SCAN:
1991         ret = mwifiex_cmd_802_11_scan(cmd_ptr, data_buf);
1992         break;
1993     case HostCmd_CMD_802_11_BG_SCAN_CONFIG:
1994         ret = mwifiex_cmd_802_11_bg_scan_config(priv, cmd_ptr,
1995                             data_buf);
1996         break;
1997     case HostCmd_CMD_802_11_BG_SCAN_QUERY:
1998         ret = mwifiex_cmd_802_11_bg_scan_query(cmd_ptr);
1999         break;
2000     case HostCmd_CMD_802_11_ASSOCIATE:
2001         ret = mwifiex_cmd_802_11_associate(priv, cmd_ptr, data_buf);
2002         break;
2003     case HostCmd_CMD_802_11_DEAUTHENTICATE:
2004         ret = mwifiex_cmd_802_11_deauthenticate(priv, cmd_ptr,
2005                             data_buf);
2006         break;
2007     case HostCmd_CMD_802_11_AD_HOC_START:
2008         ret = mwifiex_cmd_802_11_ad_hoc_start(priv, cmd_ptr,
2009                               data_buf);
2010         break;
2011     case HostCmd_CMD_802_11_GET_LOG:
2012         ret = mwifiex_cmd_802_11_get_log(cmd_ptr);
2013         break;
2014     case HostCmd_CMD_802_11_AD_HOC_JOIN:
2015         ret = mwifiex_cmd_802_11_ad_hoc_join(priv, cmd_ptr,
2016                              data_buf);
2017         break;
2018     case HostCmd_CMD_802_11_AD_HOC_STOP:
2019         ret = mwifiex_cmd_802_11_ad_hoc_stop(cmd_ptr);
2020         break;
2021     case HostCmd_CMD_RSSI_INFO:
2022         ret = mwifiex_cmd_802_11_rssi_info(priv, cmd_ptr, cmd_action);
2023         break;
2024     case HostCmd_CMD_802_11_SNMP_MIB:
2025         ret = mwifiex_cmd_802_11_snmp_mib(priv, cmd_ptr, cmd_action,
2026                           cmd_oid, data_buf);
2027         break;
2028     case HostCmd_CMD_802_11_TX_RATE_QUERY:
2029         cmd_ptr->command =
2030             cpu_to_le16(HostCmd_CMD_802_11_TX_RATE_QUERY);
2031         cmd_ptr->size =
2032             cpu_to_le16(sizeof(struct host_cmd_ds_tx_rate_query) +
2033                     S_DS_GEN);
2034         priv->tx_rate = 0;
2035         ret = 0;
2036         break;
2037     case HostCmd_CMD_VERSION_EXT:
2038         cmd_ptr->command = cpu_to_le16(cmd_no);
2039         cmd_ptr->params.verext.version_str_sel =
2040             (u8)(get_unaligned((u32 *)data_buf));
2041         memcpy(&cmd_ptr->params, data_buf,
2042                sizeof(struct host_cmd_ds_version_ext));
2043         cmd_ptr->size =
2044             cpu_to_le16(sizeof(struct host_cmd_ds_version_ext) +
2045                     S_DS_GEN);
2046         ret = 0;
2047         break;
2048     case HostCmd_CMD_MGMT_FRAME_REG:
2049         cmd_ptr->command = cpu_to_le16(cmd_no);
2050         cmd_ptr->params.reg_mask.action = cpu_to_le16(cmd_action);
2051         cmd_ptr->params.reg_mask.mask = cpu_to_le32(
2052                         get_unaligned((u32 *)data_buf));
2053         cmd_ptr->size =
2054             cpu_to_le16(sizeof(struct host_cmd_ds_mgmt_frame_reg) +
2055                     S_DS_GEN);
2056         ret = 0;
2057         break;
2058     case HostCmd_CMD_REMAIN_ON_CHAN:
2059         cmd_ptr->command = cpu_to_le16(cmd_no);
2060         memcpy(&cmd_ptr->params, data_buf,
2061                sizeof(struct host_cmd_ds_remain_on_chan));
2062         cmd_ptr->size =
2063               cpu_to_le16(sizeof(struct host_cmd_ds_remain_on_chan) +
2064                   S_DS_GEN);
2065         break;
2066     case HostCmd_CMD_11AC_CFG:
2067         ret = mwifiex_cmd_11ac_cfg(priv, cmd_ptr, cmd_action, data_buf);
2068         break;
2069     case HostCmd_CMD_PACKET_AGGR_CTRL:
2070         cmd_ptr->command = cpu_to_le16(cmd_no);
2071         cmd_ptr->params.pkt_aggr_ctrl.action = cpu_to_le16(cmd_action);
2072         cmd_ptr->params.pkt_aggr_ctrl.enable =
2073                         cpu_to_le16(*(u16 *)data_buf);
2074         cmd_ptr->size =
2075             cpu_to_le16(sizeof(struct host_cmd_ds_pkt_aggr_ctrl) +
2076                     S_DS_GEN);
2077         break;
2078     case HostCmd_CMD_P2P_MODE_CFG:
2079         cmd_ptr->command = cpu_to_le16(cmd_no);
2080         cmd_ptr->params.mode_cfg.action = cpu_to_le16(cmd_action);
2081         cmd_ptr->params.mode_cfg.mode = cpu_to_le16(
2082                         get_unaligned((u16 *)data_buf));
2083         cmd_ptr->size =
2084             cpu_to_le16(sizeof(struct host_cmd_ds_p2p_mode_cfg) +
2085                     S_DS_GEN);
2086         break;
2087     case HostCmd_CMD_FUNC_INIT:
2088         if (priv->adapter->hw_status == MWIFIEX_HW_STATUS_RESET)
2089             priv->adapter->hw_status = MWIFIEX_HW_STATUS_READY;
2090         cmd_ptr->command = cpu_to_le16(cmd_no);
2091         cmd_ptr->size = cpu_to_le16(S_DS_GEN);
2092         break;
2093     case HostCmd_CMD_FUNC_SHUTDOWN:
2094         priv->adapter->hw_status = MWIFIEX_HW_STATUS_RESET;
2095         cmd_ptr->command = cpu_to_le16(cmd_no);
2096         cmd_ptr->size = cpu_to_le16(S_DS_GEN);
2097         break;
2098     case HostCmd_CMD_11N_ADDBA_REQ:
2099         ret = mwifiex_cmd_11n_addba_req(cmd_ptr, data_buf);
2100         break;
2101     case HostCmd_CMD_11N_DELBA:
2102         ret = mwifiex_cmd_11n_delba(cmd_ptr, data_buf);
2103         break;
2104     case HostCmd_CMD_11N_ADDBA_RSP:
2105         ret = mwifiex_cmd_11n_addba_rsp_gen(priv, cmd_ptr, data_buf);
2106         break;
2107     case HostCmd_CMD_802_11_KEY_MATERIAL:
2108         ret = mwifiex_cmd_802_11_key_material(priv, cmd_ptr,
2109                               cmd_action, cmd_oid,
2110                               data_buf);
2111         break;
2112     case HostCmd_CMD_802_11D_DOMAIN_INFO:
2113         ret = mwifiex_cmd_802_11d_domain_info(priv, cmd_ptr,
2114                               cmd_action);
2115         break;
2116     case HostCmd_CMD_RECONFIGURE_TX_BUFF:
2117         ret = mwifiex_cmd_recfg_tx_buf(priv, cmd_ptr, cmd_action,
2118                            data_buf);
2119         break;
2120     case HostCmd_CMD_AMSDU_AGGR_CTRL:
2121         ret = mwifiex_cmd_amsdu_aggr_ctrl(cmd_ptr, cmd_action,
2122                           data_buf);
2123         break;
2124     case HostCmd_CMD_11N_CFG:
2125         ret = mwifiex_cmd_11n_cfg(priv, cmd_ptr, cmd_action, data_buf);
2126         break;
2127     case HostCmd_CMD_WMM_GET_STATUS:
2128         mwifiex_dbg(priv->adapter, CMD,
2129                 "cmd: WMM: WMM_GET_STATUS cmd sent\n");
2130         cmd_ptr->command = cpu_to_le16(HostCmd_CMD_WMM_GET_STATUS);
2131         cmd_ptr->size =
2132             cpu_to_le16(sizeof(struct host_cmd_ds_wmm_get_status) +
2133                     S_DS_GEN);
2134         ret = 0;
2135         break;
2136     case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
2137         ret = mwifiex_cmd_ibss_coalescing_status(cmd_ptr, cmd_action,
2138                              data_buf);
2139         break;
2140     case HostCmd_CMD_802_11_SCAN_EXT:
2141         ret = mwifiex_cmd_802_11_scan_ext(priv, cmd_ptr, data_buf);
2142         break;
2143     case HostCmd_CMD_MEM_ACCESS:
2144         ret = mwifiex_cmd_mem_access(cmd_ptr, cmd_action, data_buf);
2145         break;
2146     case HostCmd_CMD_MAC_REG_ACCESS:
2147     case HostCmd_CMD_BBP_REG_ACCESS:
2148     case HostCmd_CMD_RF_REG_ACCESS:
2149     case HostCmd_CMD_PMIC_REG_ACCESS:
2150     case HostCmd_CMD_CAU_REG_ACCESS:
2151     case HostCmd_CMD_802_11_EEPROM_ACCESS:
2152         ret = mwifiex_cmd_reg_access(cmd_ptr, cmd_action, data_buf);
2153         break;
2154     case HostCmd_CMD_SET_BSS_MODE:
2155         cmd_ptr->command = cpu_to_le16(cmd_no);
2156         if (priv->bss_mode == NL80211_IFTYPE_ADHOC)
2157             cmd_ptr->params.bss_mode.con_type =
2158                 CONNECTION_TYPE_ADHOC;
2159         else if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2160              priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT)
2161             cmd_ptr->params.bss_mode.con_type =
2162                 CONNECTION_TYPE_INFRA;
2163         else if (priv->bss_mode == NL80211_IFTYPE_AP ||
2164              priv->bss_mode == NL80211_IFTYPE_P2P_GO)
2165             cmd_ptr->params.bss_mode.con_type = CONNECTION_TYPE_AP;
2166         cmd_ptr->size = cpu_to_le16(sizeof(struct
2167                 host_cmd_ds_set_bss_mode) + S_DS_GEN);
2168         ret = 0;
2169         break;
2170     case HostCmd_CMD_PCIE_DESC_DETAILS:
2171         ret = mwifiex_cmd_pcie_host_spec(priv, cmd_ptr, cmd_action);
2172         break;
2173     case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
2174         ret = mwifiex_cmd_802_11_subsc_evt(priv, cmd_ptr, data_buf);
2175         break;
2176     case HostCmd_CMD_MEF_CFG:
2177         ret = mwifiex_cmd_mef_cfg(priv, cmd_ptr, data_buf);
2178         break;
2179     case HostCmd_CMD_COALESCE_CFG:
2180         ret = mwifiex_cmd_coalesce_cfg(priv, cmd_ptr, cmd_action,
2181                            data_buf);
2182         break;
2183     case HostCmd_CMD_TDLS_OPER:
2184         ret = mwifiex_cmd_tdls_oper(priv, cmd_ptr, data_buf);
2185         break;
2186     case HostCmd_CMD_TDLS_CONFIG:
2187         ret = mwifiex_cmd_tdls_config(priv, cmd_ptr, cmd_action,
2188                           data_buf);
2189         break;
2190     case HostCmd_CMD_CHAN_REPORT_REQUEST:
2191         ret = mwifiex_cmd_issue_chan_report_request(priv, cmd_ptr,
2192                                 data_buf);
2193         break;
2194     case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
2195         ret = mwifiex_cmd_sdio_rx_aggr_cfg(cmd_ptr, cmd_action,
2196                            data_buf);
2197         break;
2198     case HostCmd_CMD_HS_WAKEUP_REASON:
2199         ret = mwifiex_cmd_get_wakeup_reason(priv, cmd_ptr);
2200         break;
2201     case HostCmd_CMD_MC_POLICY:
2202         ret = mwifiex_cmd_set_mc_policy(priv, cmd_ptr, cmd_action,
2203                         data_buf);
2204         break;
2205     case HostCmd_CMD_ROBUST_COEX:
2206         ret = mwifiex_cmd_robust_coex(priv, cmd_ptr, cmd_action,
2207                           data_buf);
2208         break;
2209     case HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG:
2210         ret = mwifiex_cmd_gtk_rekey_offload(priv, cmd_ptr, cmd_action,
2211                             data_buf);
2212         break;
2213     case HostCmd_CMD_CHAN_REGION_CFG:
2214         ret = mwifiex_cmd_chan_region_cfg(priv, cmd_ptr, cmd_action);
2215         break;
2216     case HostCmd_CMD_FW_DUMP_EVENT:
2217         cmd_ptr->command = cpu_to_le16(cmd_no);
2218         cmd_ptr->size = cpu_to_le16(S_DS_GEN);
2219         break;
2220     case HostCmd_CMD_STA_CONFIGURE:
2221         ret = mwifiex_cmd_get_chan_info(cmd_ptr, cmd_action);
2222         break;
2223     default:
2224         mwifiex_dbg(priv->adapter, ERROR,
2225                 "PREP_CMD: unknown cmd- %#x\n", cmd_no);
2226         ret = -1;
2227         break;
2228     }
2229     return ret;
2230 }
2231 
2232 /*
2233  * This function issues commands to initialize firmware.
2234  *
2235  * This is called after firmware download to bring the card to
2236  * working state.
2237  * Function is also called during reinitialization of virtual
2238  * interfaces.
2239  *
2240  * The following commands are issued sequentially -
2241  *      - Set PCI-Express host buffer configuration (PCIE only)
2242  *      - Function init (for first interface only)
2243  *      - Read MAC address (for first interface only)
2244  *      - Reconfigure Tx buffer size (for first interface only)
2245  *      - Enable auto deep sleep (for first interface only)
2246  *      - Get Tx rate
2247  *      - Get Tx power
2248  *      - Set IBSS coalescing status
2249  *      - Set AMSDU aggregation control
2250  *      - Set 11d control
2251  *      - Set MAC control (this must be the last command to initialize firmware)
2252  */
2253 int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta, bool init)
2254 {
2255     struct mwifiex_adapter *adapter = priv->adapter;
2256     int ret;
2257     struct mwifiex_ds_11n_amsdu_aggr_ctrl amsdu_aggr_ctrl;
2258     struct mwifiex_ds_auto_ds auto_ds;
2259     enum state_11d_t state_11d;
2260     struct mwifiex_ds_11n_tx_cfg tx_cfg;
2261     u8 sdio_sp_rx_aggr_enable;
2262     u16 packet_aggr_enable;
2263     int data;
2264 
2265     if (first_sta) {
2266         if (priv->adapter->iface_type == MWIFIEX_PCIE) {
2267             ret = mwifiex_send_cmd(priv,
2268                            HostCmd_CMD_PCIE_DESC_DETAILS,
2269                            HostCmd_ACT_GEN_SET, 0, NULL,
2270                            true);
2271             if (ret)
2272                 return -1;
2273         }
2274 
2275         ret = mwifiex_send_cmd(priv, HostCmd_CMD_FUNC_INIT,
2276                        HostCmd_ACT_GEN_SET, 0, NULL, true);
2277         if (ret)
2278             return -1;
2279 
2280         /* Download calibration data to firmware.
2281          * The cal-data can be read from device tree and/or
2282          * a configuration file and downloaded to firmware.
2283          */
2284         if (adapter->dt_node) {
2285             if (of_property_read_u32(adapter->dt_node,
2286                          "marvell,wakeup-pin",
2287                          &data) == 0) {
2288                 pr_debug("Wakeup pin = 0x%x\n", data);
2289                 adapter->hs_cfg.gpio = data;
2290             }
2291 
2292             mwifiex_dnld_dt_cfgdata(priv, adapter->dt_node,
2293                         "marvell,caldata");
2294         }
2295 
2296         if (adapter->cal_data)
2297             mwifiex_send_cmd(priv, HostCmd_CMD_CFG_DATA,
2298                      HostCmd_ACT_GEN_SET, 0, NULL, true);
2299 
2300         /* Read MAC address from HW */
2301         ret = mwifiex_send_cmd(priv, HostCmd_CMD_GET_HW_SPEC,
2302                        HostCmd_ACT_GEN_GET, 0, NULL, true);
2303         if (ret)
2304             return -1;
2305 
2306         /** Set SDIO Single Port RX Aggr Info */
2307         if (priv->adapter->iface_type == MWIFIEX_SDIO &&
2308             ISSUPP_SDIO_SPA_ENABLED(priv->adapter->fw_cap_info) &&
2309             !priv->adapter->host_disable_sdio_rx_aggr) {
2310             sdio_sp_rx_aggr_enable = true;
2311             ret = mwifiex_send_cmd(priv,
2312                            HostCmd_CMD_SDIO_SP_RX_AGGR_CFG,
2313                            HostCmd_ACT_GEN_SET, 0,
2314                            &sdio_sp_rx_aggr_enable,
2315                            true);
2316             if (ret) {
2317                 mwifiex_dbg(priv->adapter, ERROR,
2318                         "error while enabling SP aggregation..disable it");
2319                 adapter->sdio_rx_aggr_enable = false;
2320             }
2321         }
2322 
2323         /* Reconfigure tx buf size */
2324         ret = mwifiex_send_cmd(priv, HostCmd_CMD_RECONFIGURE_TX_BUFF,
2325                        HostCmd_ACT_GEN_SET, 0,
2326                        &priv->adapter->tx_buf_size, true);
2327         if (ret)
2328             return -1;
2329 
2330         if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
2331             /* Enable IEEE PS by default */
2332             priv->adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
2333             ret = mwifiex_send_cmd(priv,
2334                            HostCmd_CMD_802_11_PS_MODE_ENH,
2335                            EN_AUTO_PS, BITMAP_STA_PS, NULL,
2336                            true);
2337             if (ret)
2338                 return -1;
2339         }
2340 
2341         if (drcs) {
2342             adapter->drcs_enabled = true;
2343             if (ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
2344                 ret = mwifiex_send_cmd(priv,
2345                                HostCmd_CMD_MC_POLICY,
2346                                HostCmd_ACT_GEN_SET, 0,
2347                                &adapter->drcs_enabled,
2348                                true);
2349             if (ret)
2350                 return -1;
2351         }
2352 
2353         mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REGION_CFG,
2354                  HostCmd_ACT_GEN_GET, 0, NULL, true);
2355     }
2356 
2357     /* get tx rate */
2358     ret = mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
2359                    HostCmd_ACT_GEN_GET, 0, NULL, true);
2360     if (ret)
2361         return -1;
2362     priv->data_rate = 0;
2363 
2364     /* get tx power */
2365     ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
2366                    HostCmd_ACT_GEN_GET, 0, NULL, true);
2367     if (ret)
2368         return -1;
2369 
2370     memset(&amsdu_aggr_ctrl, 0, sizeof(amsdu_aggr_ctrl));
2371     amsdu_aggr_ctrl.enable = true;
2372     /* Send request to firmware */
2373     ret = mwifiex_send_cmd(priv, HostCmd_CMD_AMSDU_AGGR_CTRL,
2374                    HostCmd_ACT_GEN_SET, 0,
2375                    &amsdu_aggr_ctrl, true);
2376     if (ret)
2377         return -1;
2378     /* MAC Control must be the last command in init_fw */
2379     /* set MAC Control */
2380     ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
2381                    HostCmd_ACT_GEN_SET, 0,
2382                    &priv->curr_pkt_filter, true);
2383     if (ret)
2384         return -1;
2385 
2386     if (!disable_auto_ds && first_sta &&
2387         priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
2388         /* Enable auto deep sleep */
2389         auto_ds.auto_ds = DEEP_SLEEP_ON;
2390         auto_ds.idle_time = DEEP_SLEEP_IDLE_TIME;
2391         ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
2392                        EN_AUTO_PS, BITMAP_AUTO_DS,
2393                        &auto_ds, true);
2394         if (ret)
2395             return -1;
2396     }
2397 
2398     if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
2399         /* Send cmd to FW to enable/disable 11D function */
2400         state_11d = ENABLE_11D;
2401         ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2402                        HostCmd_ACT_GEN_SET, DOT11D_I,
2403                        &state_11d, true);
2404         if (ret)
2405             mwifiex_dbg(priv->adapter, ERROR,
2406                     "11D: failed to enable 11D\n");
2407     }
2408 
2409     /* Pacekt aggregation handshake with firmware */
2410     if (aggr_ctrl) {
2411         packet_aggr_enable = true;
2412         mwifiex_send_cmd(priv, HostCmd_CMD_PACKET_AGGR_CTRL,
2413                  HostCmd_ACT_GEN_SET, 0,
2414                  &packet_aggr_enable, true);
2415     }
2416 
2417     /* Send cmd to FW to configure 11n specific configuration
2418      * (Short GI, Channel BW, Green field support etc.) for transmit
2419      */
2420     tx_cfg.tx_htcap = MWIFIEX_FW_DEF_HTTXCFG;
2421     ret = mwifiex_send_cmd(priv, HostCmd_CMD_11N_CFG,
2422                    HostCmd_ACT_GEN_SET, 0, &tx_cfg, true);
2423 
2424     if (init) {
2425         /* set last_init_cmd before sending the command */
2426         priv->adapter->last_init_cmd = HostCmd_CMD_11N_CFG;
2427         ret = -EINPROGRESS;
2428     }
2429 
2430     return ret;
2431 }