drivers/net/wireless/mwifiex/sta_cmd.c

   1 /*
   2  * Marvell Wireless LAN device driver: station command handling
   3  *
   4  * Copyright (C) 2011, Marvell International Ltd.
   5  *
   6  * This software file (the "File") is distributed by Marvell International
   7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8  * (the "License").  You may use, redistribute and/or modify this File in
   9  * accordance with the terms and conditions of the License, a copy of which
  10  * is available by writing to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13  *
  14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17  * this warranty disclaimer.
  18  */
  19
  20 #include "decl.h"
  21 #include "ioctl.h"
  22 #include "util.h"
  23 #include "fw.h"
  24 #include "main.h"
  25 #include "wmm.h"
  26 #include "11n.h"
  27 #include "11ac.h"
  28
  29 /*
  30  * This function prepares command to set/get RSSI information.
  31  *
  32  * Preparation includes -
  33  *      - Setting command ID, action and proper size
  34  *      - Setting data/beacon average factors
  35  *      - Resetting SNR/NF/RSSI values in private structure
  36  *      - Ensuring correct endian-ness
  37  */
  38 static int
  39 mwifiex_cmd_802_11_rssi_info(struct mwifiex_private *priv,
  40                              struct host_cmd_ds_command *cmd, u16 cmd_action)
  41 {
  42         cmd->command = cpu_to_le16(HostCmd_CMD_RSSI_INFO);
  43         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rssi_info) +
  44                                 S_DS_GEN);
  45         cmd->params.rssi_info.action = cpu_to_le16(cmd_action);
  46         cmd->params.rssi_info.ndata = cpu_to_le16(priv->data_avg_factor);
  47         cmd->params.rssi_info.nbcn = cpu_to_le16(priv->bcn_avg_factor);
  48
  49         /* Reset SNR/NF/RSSI values in private structure */
  50         priv->data_rssi_last = 0;
  51         priv->data_nf_last = 0;
  52         priv->data_rssi_avg = 0;
  53         priv->data_nf_avg = 0;
  54         priv->bcn_rssi_last = 0;
  55         priv->bcn_nf_last = 0;
  56         priv->bcn_rssi_avg = 0;
  57         priv->bcn_nf_avg = 0;
  58
  59         return 0;
  60 }
  61
  62 /*
  63  * This function prepares command to set MAC control.
  64  *
  65  * Preparation includes -
  66  *      - Setting command ID, action and proper size
  67  *      - Ensuring correct endian-ness
  68  */
  69 static int mwifiex_cmd_mac_control(struct mwifiex_private *priv,
  70                                    struct host_cmd_ds_command *cmd,
  71                                    u16 cmd_action, u16 *action)
  72 {
  73         struct host_cmd_ds_mac_control *mac_ctrl = &cmd->params.mac_ctrl;
  74
  75         if (cmd_action != HostCmd_ACT_GEN_SET) {
  76                 dev_err(priv->adapter->dev,
  77                         "mac_control: only support set cmd\n");
  78                 return -1;
  79         }
  80
  81         cmd->command = cpu_to_le16(HostCmd_CMD_MAC_CONTROL);
  82         cmd->size =
  83                 cpu_to_le16(sizeof(struct host_cmd_ds_mac_control) + S_DS_GEN);
  84         mac_ctrl->action = cpu_to_le16(*action);
  85
  86         return 0;
  87 }
  88
  89 /*
  90  * This function prepares command to set/get SNMP MIB.
  91  *
  92  * Preparation includes -
  93  *      - Setting command ID, action and proper size
  94  *      - Setting SNMP MIB OID number and value
  95  *        (as required)
  96  *      - Ensuring correct endian-ness
  97  *
  98  * The following SNMP MIB OIDs are supported -
  99  *      - FRAG_THRESH_I     : Fragmentation threshold
 100  *      - RTS_THRESH_I      : RTS threshold
 101  *      - SHORT_RETRY_LIM_I : Short retry limit
 102  *      - DOT11D_I          : 11d support
 103  */
 104 static int mwifiex_cmd_802_11_snmp_mib(struct mwifiex_private *priv,
 105                                        struct host_cmd_ds_command *cmd,
 106                                        u16 cmd_action, u32 cmd_oid,
 107                                        u16 *ul_temp)
 108 {
 109         struct host_cmd_ds_802_11_snmp_mib *snmp_mib = &cmd->params.smib;
 110
 111         dev_dbg(priv->adapter->dev, "cmd: SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 112         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SNMP_MIB);
 113         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_snmp_mib)
 114                                 - 1 + S_DS_GEN);
 115
 116         snmp_mib->oid = cpu_to_le16((u16)cmd_oid);
 117         if (cmd_action == HostCmd_ACT_GEN_GET) {
 118                 snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_GET);
 119                 snmp_mib->buf_size = cpu_to_le16(MAX_SNMP_BUF_SIZE);
 120                 le16_add_cpu(&cmd->size, MAX_SNMP_BUF_SIZE);
 121         } else if (cmd_action == HostCmd_ACT_GEN_SET) {
 122                 snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_SET);
 123                 snmp_mib->buf_size = cpu_to_le16(sizeof(u16));
 124                 *((__le16 *) (snmp_mib->value)) = cpu_to_le16(*ul_temp);
 125                 le16_add_cpu(&cmd->size, sizeof(u16));
 126         }
 127
 128         dev_dbg(priv->adapter->dev,
 129                 "cmd: SNMP_CMD: Action=0x%x, OID=0x%x, OIDSize=0x%x,"
 130                 " Value=0x%x\n",
 131                 cmd_action, cmd_oid, le16_to_cpu(snmp_mib->buf_size),
 132                 le16_to_cpu(*(__le16 *) snmp_mib->value));
 133         return 0;
 134 }
 135
 136 /*
 137  * This function prepares command to get log.
 138  *
 139  * Preparation includes -
 140  *      - Setting command ID and proper size
 141  *      - Ensuring correct endian-ness
 142  */
 143 static int
 144 mwifiex_cmd_802_11_get_log(struct host_cmd_ds_command *cmd)
 145 {
 146         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_GET_LOG);
 147         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_get_log) +
 148                                 S_DS_GEN);
 149         return 0;
 150 }
 151
 152 /*
 153  * This function prepares command to set/get Tx data rate configuration.
 154  *
 155  * Preparation includes -
 156  *      - Setting command ID, action and proper size
 157  *      - Setting configuration index, rate scope and rate drop pattern
 158  *        parameters (as required)
 159  *      - Ensuring correct endian-ness
 160  */
 161 static int mwifiex_cmd_tx_rate_cfg(struct mwifiex_private *priv,
 162                                    struct host_cmd_ds_command *cmd,
 163                                    u16 cmd_action, u16 *pbitmap_rates)
 164 {
 165         struct host_cmd_ds_tx_rate_cfg *rate_cfg = &cmd->params.tx_rate_cfg;
 166         struct mwifiex_rate_scope *rate_scope;
 167         struct mwifiex_rate_drop_pattern *rate_drop;
 168         u32 i;
 169
 170         cmd->command = cpu_to_le16(HostCmd_CMD_TX_RATE_CFG);
 171
 172         rate_cfg->action = cpu_to_le16(cmd_action);
 173         rate_cfg->cfg_index = 0;
 174
 175         rate_scope = (struct mwifiex_rate_scope *) ((u8 *) rate_cfg +
 176                       sizeof(struct host_cmd_ds_tx_rate_cfg));
 177         rate_scope->type = cpu_to_le16(TLV_TYPE_RATE_SCOPE);
 178         rate_scope->length = cpu_to_le16
 179                 (sizeof(*rate_scope) - sizeof(struct mwifiex_ie_types_header));
 180         if (pbitmap_rates != NULL) {
 181                 rate_scope->hr_dsss_rate_bitmap = cpu_to_le16(pbitmap_rates[0]);
 182                 rate_scope->ofdm_rate_bitmap = cpu_to_le16(pbitmap_rates[1]);
 183                 for (i = 0;
 184                      i < sizeof(rate_scope->ht_mcs_rate_bitmap) / sizeof(u16);
 185                      i++)
 186                         rate_scope->ht_mcs_rate_bitmap[i] =
 187                                 cpu_to_le16(pbitmap_rates[2 + i]);
 188         } else {
 189                 rate_scope->hr_dsss_rate_bitmap =
 190                         cpu_to_le16(priv->bitmap_rates[0]);
 191                 rate_scope->ofdm_rate_bitmap =
 192                         cpu_to_le16(priv->bitmap_rates[1]);
 193                 for (i = 0;
 194                      i < sizeof(rate_scope->ht_mcs_rate_bitmap) / sizeof(u16);
 195                      i++)
 196                         rate_scope->ht_mcs_rate_bitmap[i] =
 197                                 cpu_to_le16(priv->bitmap_rates[2 + i]);
 198         }
 199
 200         rate_drop = (struct mwifiex_rate_drop_pattern *) ((u8 *) rate_scope +
 201                                              sizeof(struct mwifiex_rate_scope));
 202         rate_drop->type = cpu_to_le16(TLV_TYPE_RATE_DROP_CONTROL);
 203         rate_drop->length = cpu_to_le16(sizeof(rate_drop->rate_drop_mode));
 204         rate_drop->rate_drop_mode = 0;
 205
 206         cmd->size =
 207                 cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_tx_rate_cfg) +
 208                             sizeof(struct mwifiex_rate_scope) +
 209                             sizeof(struct mwifiex_rate_drop_pattern));
 210
 211         return 0;
 212 }
 213
 214 /*
 215  * This function prepares command to set/get Tx power configuration.
 216  *
 217  * Preparation includes -
 218  *      - Setting command ID, action and proper size
 219  *      - Setting Tx power mode, power group TLV
 220  *        (as required)
 221  *      - Ensuring correct endian-ness
 222  */
 223 static int mwifiex_cmd_tx_power_cfg(struct host_cmd_ds_command *cmd,
 224                                     u16 cmd_action,
 225                                     struct host_cmd_ds_txpwr_cfg *txp)
 226 {
 227         struct mwifiex_types_power_group *pg_tlv;
 228         struct host_cmd_ds_txpwr_cfg *cmd_txp_cfg = &cmd->params.txp_cfg;
 229
 230         cmd->command = cpu_to_le16(HostCmd_CMD_TXPWR_CFG);
 231         cmd->size =
 232                 cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_txpwr_cfg));
 233         switch (cmd_action) {
 234         case HostCmd_ACT_GEN_SET:
 235                 if (txp->mode) {
 236                         pg_tlv = (struct mwifiex_types_power_group
 237                                   *) ((unsigned long) txp +
 238                                      sizeof(struct host_cmd_ds_txpwr_cfg));
 239                         memmove(cmd_txp_cfg, txp,
 240                                 sizeof(struct host_cmd_ds_txpwr_cfg) +
 241                                 sizeof(struct mwifiex_types_power_group) +
 242                                 pg_tlv->length);
 243
 244                         pg_tlv = (struct mwifiex_types_power_group *) ((u8 *)
 245                                   cmd_txp_cfg +
 246                                   sizeof(struct host_cmd_ds_txpwr_cfg));
 247                         cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) +
 248                                   sizeof(struct mwifiex_types_power_group) +
 249                                   pg_tlv->length);
 250                 } else {
 251                         memmove(cmd_txp_cfg, txp, sizeof(*txp));
 252                 }
 253                 cmd_txp_cfg->action = cpu_to_le16(cmd_action);
 254                 break;
 255         case HostCmd_ACT_GEN_GET:
 256                 cmd_txp_cfg->action = cpu_to_le16(cmd_action);
 257                 break;
 258         }
 259
 260         return 0;
 261 }
 262
 263 /*
 264  * This function prepares command to get RF Tx power.
 265  */
 266 static int mwifiex_cmd_rf_tx_power(struct mwifiex_private *priv,
 267                                    struct host_cmd_ds_command *cmd,
 268                                    u16 cmd_action, void *data_buf)
 269 {
 270         struct host_cmd_ds_rf_tx_pwr *txp = &cmd->params.txp;
 271
 272         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_tx_pwr)
 273                                 + S_DS_GEN);
 274         cmd->command = cpu_to_le16(HostCmd_CMD_RF_TX_PWR);
 275         txp->action = cpu_to_le16(cmd_action);
 276
 277         return 0;
 278 }
 279
 280 /*
 281  * This function prepares command to set rf antenna.
 282  */
 283 static int mwifiex_cmd_rf_antenna(struct mwifiex_private *priv,
 284                                   struct host_cmd_ds_command *cmd,
 285                                   u16 cmd_action,
 286                                   struct mwifiex_ds_ant_cfg *ant_cfg)
 287 {
 288         struct host_cmd_ds_rf_ant_mimo *ant_mimo = &cmd->params.ant_mimo;
 289         struct host_cmd_ds_rf_ant_siso *ant_siso = &cmd->params.ant_siso;
 290
 291         cmd->command = cpu_to_le16(HostCmd_CMD_RF_ANTENNA);
 292
 293         if (cmd_action != HostCmd_ACT_GEN_SET)
 294                 return 0;
 295
 296         if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
 297                 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_ant_mimo) +
 298                                         S_DS_GEN);
 299                 ant_mimo->action_tx = cpu_to_le16(HostCmd_ACT_SET_TX);
 300                 ant_mimo->tx_ant_mode = cpu_to_le16((u16)ant_cfg->tx_ant);
 301                 ant_mimo->action_rx = cpu_to_le16(HostCmd_ACT_SET_RX);
 302                 ant_mimo->rx_ant_mode = cpu_to_le16((u16)ant_cfg->rx_ant);
 303         } else {
 304                 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_ant_siso) +
 305                                         S_DS_GEN);
 306                 ant_siso->action = cpu_to_le16(HostCmd_ACT_SET_BOTH);
 307                 ant_siso->ant_mode = cpu_to_le16((u16)ant_cfg->tx_ant);
 308         }
 309
 310         return 0;
 311 }
 312
 313 /*
 314  * This function prepares command to set Host Sleep configuration.
 315  *
 316  * Preparation includes -
 317  *      - Setting command ID and proper size
 318  *      - Setting Host Sleep action, conditions, ARP filters
 319  *        (as required)
 320  *      - Ensuring correct endian-ness
 321  */
 322 static int
 323 mwifiex_cmd_802_11_hs_cfg(struct mwifiex_private *priv,
 324                           struct host_cmd_ds_command *cmd,
 325                           u16 cmd_action,
 326                           struct mwifiex_hs_config_param *hscfg_param)
 327 {
 328         struct mwifiex_adapter *adapter = priv->adapter;
 329         struct host_cmd_ds_802_11_hs_cfg_enh *hs_cfg = &cmd->params.opt_hs_cfg;
 330         u16 hs_activate = false;
 331
 332         if (!hscfg_param)
 333                 /* New Activate command */
 334                 hs_activate = true;
 335         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH);
 336
 337         if (!hs_activate &&
 338             (hscfg_param->conditions != cpu_to_le32(HS_CFG_CANCEL)) &&
 339             ((adapter->arp_filter_size > 0) &&
 340              (adapter->arp_filter_size <= ARP_FILTER_MAX_BUF_SIZE))) {
 341                 dev_dbg(adapter->dev,
 342                         "cmd: Attach %d bytes ArpFilter to HSCfg cmd\n",
 343                         adapter->arp_filter_size);
 344                 memcpy(((u8 *) hs_cfg) +
 345                        sizeof(struct host_cmd_ds_802_11_hs_cfg_enh),
 346                        adapter->arp_filter, adapter->arp_filter_size);
 347                 cmd->size = cpu_to_le16
 348                                 (adapter->arp_filter_size +
 349                                  sizeof(struct host_cmd_ds_802_11_hs_cfg_enh)
 350                                 + S_DS_GEN);
 351         } else {
 352                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof(struct
 353                                                 host_cmd_ds_802_11_hs_cfg_enh));
 354         }
 355         if (hs_activate) {
 356                 hs_cfg->action = cpu_to_le16(HS_ACTIVATE);
 357                 hs_cfg->params.hs_activate.resp_ctrl = RESP_NEEDED;
 358         } else {
 359                 hs_cfg->action = cpu_to_le16(HS_CONFIGURE);
 360                 hs_cfg->params.hs_config.conditions = hscfg_param->conditions;
 361                 hs_cfg->params.hs_config.gpio = hscfg_param->gpio;
 362                 hs_cfg->params.hs_config.gap = hscfg_param->gap;
 363                 dev_dbg(adapter->dev,
 364                         "cmd: HS_CFG_CMD: condition:0x%x gpio:0x%x gap:0x%x\n",
 365                        hs_cfg->params.hs_config.conditions,
 366                        hs_cfg->params.hs_config.gpio,
 367                        hs_cfg->params.hs_config.gap);
 368         }
 369
 370         return 0;
 371 }
 372
 373 /*
 374  * This function prepares command to set/get MAC address.
 375  *
 376  * Preparation includes -
 377  *      - Setting command ID, action and proper size
 378  *      - Setting MAC address (for SET only)
 379  *      - Ensuring correct endian-ness
 380  */
 381 static int mwifiex_cmd_802_11_mac_address(struct mwifiex_private *priv,
 382                                           struct host_cmd_ds_command *cmd,
 383                                           u16 cmd_action)
 384 {
 385         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_MAC_ADDRESS);
 386         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_mac_address) +
 387                                 S_DS_GEN);
 388         cmd->result = 0;
 389
 390         cmd->params.mac_addr.action = cpu_to_le16(cmd_action);
 391
 392         if (cmd_action == HostCmd_ACT_GEN_SET)
 393                 memcpy(cmd->params.mac_addr.mac_addr, priv->curr_addr,
 394                        ETH_ALEN);
 395         return 0;
 396 }
 397
 398 /*
 399  * This function prepares command to set MAC multicast address.
 400  *
 401  * Preparation includes -
 402  *      - Setting command ID, action and proper size
 403  *      - Setting MAC multicast address
 404  *      - Ensuring correct endian-ness
 405  */
 406 static int
 407 mwifiex_cmd_mac_multicast_adr(struct host_cmd_ds_command *cmd,
 408                               u16 cmd_action,
 409                               struct mwifiex_multicast_list *mcast_list)
 410 {
 411         struct host_cmd_ds_mac_multicast_adr *mcast_addr = &cmd->params.mc_addr;
 412
 413         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mac_multicast_adr) +
 414                                 S_DS_GEN);
 415         cmd->command = cpu_to_le16(HostCmd_CMD_MAC_MULTICAST_ADR);
 416
 417         mcast_addr->action = cpu_to_le16(cmd_action);
 418         mcast_addr->num_of_adrs =
 419                 cpu_to_le16((u16) mcast_list->num_multicast_addr);
 420         memcpy(mcast_addr->mac_list, mcast_list->mac_list,
 421                mcast_list->num_multicast_addr * ETH_ALEN);
 422
 423         return 0;
 424 }
 425
 426 /*
 427  * This function prepares command to deauthenticate.
 428  *
 429  * Preparation includes -
 430  *      - Setting command ID and proper size
 431  *      - Setting AP MAC address and reason code
 432  *      - Ensuring correct endian-ness
 433  */
 434 static int mwifiex_cmd_802_11_deauthenticate(struct mwifiex_private *priv,
 435                                              struct host_cmd_ds_command *cmd,
 436                                              u8 *mac)
 437 {
 438         struct host_cmd_ds_802_11_deauthenticate *deauth = &cmd->params.deauth;
 439
 440         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_DEAUTHENTICATE);
 441         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_deauthenticate)
 442                                 + S_DS_GEN);
 443
 444         /* Set AP MAC address */
 445         memcpy(deauth->mac_addr, mac, ETH_ALEN);
 446
 447         dev_dbg(priv->adapter->dev, "cmd: Deauth: %pM\n", deauth->mac_addr);
 448
 449         deauth->reason_code = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
 450
 451         return 0;
 452 }
 453
 454 /*
 455  * This function prepares command to stop Ad-Hoc network.
 456  *
 457  * Preparation includes -
 458  *      - Setting command ID and proper size
 459  *      - Ensuring correct endian-ness
 460  */
 461 static int mwifiex_cmd_802_11_ad_hoc_stop(struct host_cmd_ds_command *cmd)
 462 {
 463         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_STOP);
 464         cmd->size = cpu_to_le16(S_DS_GEN);
 465         return 0;
 466 }
 467
 468 /*
 469  * This function sets WEP key(s) to key parameter TLV(s).
 470  *
 471  * Multi-key parameter TLVs are supported, so we can send multiple
 472  * WEP keys in a single buffer.
 473  */
 474 static int
 475 mwifiex_set_keyparamset_wep(struct mwifiex_private *priv,
 476                             struct mwifiex_ie_type_key_param_set *key_param_set,
 477                             u16 *key_param_len)
 478 {
 479         int cur_key_param_len;
 480         u8 i;
 481
 482         /* Multi-key_param_set TLV is supported */
 483         for (i = 0; i < NUM_WEP_KEYS; i++) {
 484                 if ((priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP40) ||
 485                     (priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP104)) {
 486                         key_param_set->type =
 487                                 cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 488 /* Key_param_set WEP fixed length */
 489 #define KEYPARAMSET_WEP_FIXED_LEN 8
 490                         key_param_set->length = cpu_to_le16((u16)
 491                                         (priv->wep_key[i].
 492                                          key_length +
 493                                          KEYPARAMSET_WEP_FIXED_LEN));
 494                         key_param_set->key_type_id =
 495                                 cpu_to_le16(KEY_TYPE_ID_WEP);
 496                         key_param_set->key_info =
 497                                 cpu_to_le16(KEY_ENABLED | KEY_UNICAST |
 498                                             KEY_MCAST);
 499                         key_param_set->key_len =
 500                                 cpu_to_le16(priv->wep_key[i].key_length);
 501                         /* Set WEP key index */
 502                         key_param_set->key[0] = i;
 503                         /* Set default Tx key flag */
 504                         if (i ==
 505                             (priv->
 506                              wep_key_curr_index & HostCmd_WEP_KEY_INDEX_MASK))
 507                                 key_param_set->key[1] = 1;
 508                         else
 509                                 key_param_set->key[1] = 0;
 510                         memmove(&key_param_set->key[2],
 511                                 priv->wep_key[i].key_material,
 512                                 priv->wep_key[i].key_length);
 513
 514                         cur_key_param_len = priv->wep_key[i].key_length +
 515                                 KEYPARAMSET_WEP_FIXED_LEN +
 516                                 sizeof(struct mwifiex_ie_types_header);
 517                         *key_param_len += (u16) cur_key_param_len;
 518                         key_param_set =
 519                                 (struct mwifiex_ie_type_key_param_set *)
 520                                                 ((u8 *)key_param_set +
 521                                                  cur_key_param_len);
 522                 } else if (!priv->wep_key[i].key_length) {
 523                         continue;
 524                 } else {
 525                         dev_err(priv->adapter->dev,
 526                                 "key%d Length = %d is incorrect\n",
 527                                (i + 1), priv->wep_key[i].key_length);
 528                         return -1;
 529                 }
 530         }
 531
 532         return 0;
 533 }
 534
 535 /*
 536  * This function prepares command to set/get/reset network key(s).
 537  *
 538  * Preparation includes -
 539  *      - Setting command ID, action and proper size
 540  *      - Setting WEP keys, WAPI keys or WPA keys along with required
 541  *        encryption (TKIP, AES) (as required)
 542  *      - Ensuring correct endian-ness
 543  */
 544 static int
 545 mwifiex_cmd_802_11_key_material(struct mwifiex_private *priv,
 546                                 struct host_cmd_ds_command *cmd,
 547                                 u16 cmd_action, u32 cmd_oid,
 548                                 struct mwifiex_ds_encrypt_key *enc_key)
 549 {
 550         struct host_cmd_ds_802_11_key_material *key_material =
 551                 &cmd->params.key_material;
 552         struct host_cmd_tlv_mac_addr *tlv_mac;
 553         u16 key_param_len = 0, cmd_size;
 554         int ret = 0;
 555
 556         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_KEY_MATERIAL);
 557         key_material->action = cpu_to_le16(cmd_action);
 558
 559         if (cmd_action == HostCmd_ACT_GEN_GET) {
 560                 cmd->size =
 561                         cpu_to_le16(sizeof(key_material->action) + S_DS_GEN);
 562                 return ret;
 563         }
 564
 565         if (!enc_key) {
 566                 memset(&key_material->key_param_set, 0,
 567                        (NUM_WEP_KEYS *
 568                         sizeof(struct mwifiex_ie_type_key_param_set)));
 569                 ret = mwifiex_set_keyparamset_wep(priv,
 570                                                   &key_material->key_param_set,
 571                                                   &key_param_len);
 572                 cmd->size = cpu_to_le16(key_param_len +
 573                                     sizeof(key_material->action) + S_DS_GEN);
 574                 return ret;
 575         } else
 576                 memset(&key_material->key_param_set, 0,
 577                        sizeof(struct mwifiex_ie_type_key_param_set));
 578         if (enc_key->is_wapi_key) {
 579                 dev_dbg(priv->adapter->dev, "info: Set WAPI Key\n");
 580                 key_material->key_param_set.key_type_id =
 581                                                 cpu_to_le16(KEY_TYPE_ID_WAPI);
 582                 if (cmd_oid == KEY_INFO_ENABLED)
 583                         key_material->key_param_set.key_info =
 584                                                 cpu_to_le16(KEY_ENABLED);
 585                 else
 586                         key_material->key_param_set.key_info =
 587                                                 cpu_to_le16(!KEY_ENABLED);
 588
 589                 key_material->key_param_set.key[0] = enc_key->key_index;
 590                 if (!priv->sec_info.wapi_key_on)
 591                         key_material->key_param_set.key[1] = 1;
 592                 else
 593                         /* set 0 when re-key */
 594                         key_material->key_param_set.key[1] = 0;
 595
 596                 if (!is_broadcast_ether_addr(enc_key->mac_addr)) {
 597                         /* WAPI pairwise key: unicast */
 598                         key_material->key_param_set.key_info |=
 599                                 cpu_to_le16(KEY_UNICAST);
 600                 } else {        /* WAPI group key: multicast */
 601                         key_material->key_param_set.key_info |=
 602                                 cpu_to_le16(KEY_MCAST);
 603                         priv->sec_info.wapi_key_on = true;
 604                 }
 605
 606                 key_material->key_param_set.type =
 607                                         cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 608                 key_material->key_param_set.key_len =
 609                                                 cpu_to_le16(WAPI_KEY_LEN);
 610                 memcpy(&key_material->key_param_set.key[2],
 611                        enc_key->key_material, enc_key->key_len);
 612                 memcpy(&key_material->key_param_set.key[2 + enc_key->key_len],
 613                        enc_key->pn, PN_LEN);
 614                 key_material->key_param_set.length =
 615                         cpu_to_le16(WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN);
 616
 617                 key_param_len = (WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN) +
 618                                  sizeof(struct mwifiex_ie_types_header);
 619                 cmd->size = cpu_to_le16(sizeof(key_material->action)
 620                                         + S_DS_GEN +  key_param_len);
 621                 return ret;
 622         }
 623         if (enc_key->key_len == WLAN_KEY_LEN_CCMP) {
 624                 if (enc_key->is_igtk_key) {
 625                         dev_dbg(priv->adapter->dev, "cmd: CMAC_AES\n");
 626                         key_material->key_param_set.key_type_id =
 627                                         cpu_to_le16(KEY_TYPE_ID_AES_CMAC);
 628                         if (cmd_oid == KEY_INFO_ENABLED)
 629                                 key_material->key_param_set.key_info =
 630                                                 cpu_to_le16(KEY_ENABLED);
 631                         else
 632                                 key_material->key_param_set.key_info =
 633                                                 cpu_to_le16(!KEY_ENABLED);
 634
 635                         key_material->key_param_set.key_info |=
 636                                                         cpu_to_le16(KEY_IGTK);
 637                 } else {
 638                         dev_dbg(priv->adapter->dev, "cmd: WPA_AES\n");
 639                         key_material->key_param_set.key_type_id =
 640                                                 cpu_to_le16(KEY_TYPE_ID_AES);
 641                         if (cmd_oid == KEY_INFO_ENABLED)
 642                                 key_material->key_param_set.key_info =
 643                                                 cpu_to_le16(KEY_ENABLED);
 644                         else
 645                                 key_material->key_param_set.key_info =
 646                                                 cpu_to_le16(!KEY_ENABLED);
 647
 648                         if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
 649                                 /* AES pairwise key: unicast */
 650                                 key_material->key_param_set.key_info |=
 651                                                 cpu_to_le16(KEY_UNICAST);
 652                         else    /* AES group key: multicast */
 653                                 key_material->key_param_set.key_info |=
 654                                                         cpu_to_le16(KEY_MCAST);
 655                 }
 656         } else if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
 657                 dev_dbg(priv->adapter->dev, "cmd: WPA_TKIP\n");
 658                 key_material->key_param_set.key_type_id =
 659                                                 cpu_to_le16(KEY_TYPE_ID_TKIP);
 660                 key_material->key_param_set.key_info =
 661                                                 cpu_to_le16(KEY_ENABLED);
 662
 663                 if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
 664                                 /* TKIP pairwise key: unicast */
 665                         key_material->key_param_set.key_info |=
 666                                                 cpu_to_le16(KEY_UNICAST);
 667                 else            /* TKIP group key: multicast */
 668                         key_material->key_param_set.key_info |=
 669                                                         cpu_to_le16(KEY_MCAST);
 670         }
 671
 672         if (key_material->key_param_set.key_type_id) {
 673                 key_material->key_param_set.type =
 674                                         cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 675                 key_material->key_param_set.key_len =
 676                                         cpu_to_le16((u16) enc_key->key_len);
 677                 memcpy(key_material->key_param_set.key, enc_key->key_material,
 678                        enc_key->key_len);
 679                 key_material->key_param_set.length =
 680                         cpu_to_le16((u16) enc_key->key_len +
 681                                     KEYPARAMSET_FIXED_LEN);
 682
 683                 key_param_len = (u16)(enc_key->key_len + KEYPARAMSET_FIXED_LEN)
 684                                 + sizeof(struct mwifiex_ie_types_header);
 685
 686                 if (le16_to_cpu(key_material->key_param_set.key_type_id) ==
 687                                                         KEY_TYPE_ID_AES_CMAC) {
 688                         struct mwifiex_cmac_param *param =
 689                                         (void *)key_material->key_param_set.key;
 690
 691                         memcpy(param->ipn, enc_key->pn, IGTK_PN_LEN);
 692                         memcpy(param->key, enc_key->key_material,
 693                                WLAN_KEY_LEN_AES_CMAC);
 694
 695                         key_param_len = sizeof(struct mwifiex_cmac_param);
 696                         key_material->key_param_set.key_len =
 697                                                 cpu_to_le16(key_param_len);
 698                         key_param_len += KEYPARAMSET_FIXED_LEN;
 699                         key_material->key_param_set.length =
 700                                                 cpu_to_le16(key_param_len);
 701                         key_param_len += sizeof(struct mwifiex_ie_types_header);
 702                 }
 703
 704                 cmd->size = cpu_to_le16(sizeof(key_material->action) + S_DS_GEN
 705                                         + key_param_len);
 706
 707                 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
 708                         tlv_mac = (void *)((u8 *)&key_material->key_param_set +
 709                                            key_param_len);
 710                         tlv_mac->tlv.type = cpu_to_le16(TLV_TYPE_STA_MAC_ADDR);
 711                         tlv_mac->tlv.len = cpu_to_le16(ETH_ALEN);
 712                         memcpy(tlv_mac->mac_addr, enc_key->mac_addr, ETH_ALEN);
 713                         cmd_size = key_param_len + S_DS_GEN +
 714                                    sizeof(key_material->action) +
 715                                    sizeof(struct host_cmd_tlv_mac_addr);
 716                 } else {
 717                         cmd_size = key_param_len + S_DS_GEN +
 718                                    sizeof(key_material->action);
 719                 }
 720                 cmd->size = cpu_to_le16(cmd_size);
 721         }
 722
 723         return ret;
 724 }
 725
 726 /*
 727  * This function prepares command to set/get 11d domain information.
 728  *
 729  * Preparation includes -
 730  *      - Setting command ID, action and proper size
 731  *      - Setting domain information fields (for SET only)
 732  *      - Ensuring correct endian-ness
 733  */
 734 static int mwifiex_cmd_802_11d_domain_info(struct mwifiex_private *priv,
 735                                            struct host_cmd_ds_command *cmd,
 736                                            u16 cmd_action)
 737 {
 738         struct mwifiex_adapter *adapter = priv->adapter;
 739         struct host_cmd_ds_802_11d_domain_info *domain_info =
 740                 &cmd->params.domain_info;
 741         struct mwifiex_ietypes_domain_param_set *domain =
 742                 &domain_info->domain;
 743         u8 no_of_triplet = adapter->domain_reg.no_of_triplet;
 744
 745         dev_dbg(adapter->dev, "info: 11D: no_of_triplet=0x%x\n", no_of_triplet);
 746
 747         cmd->command = cpu_to_le16(HostCmd_CMD_802_11D_DOMAIN_INFO);
 748         domain_info->action = cpu_to_le16(cmd_action);
 749         if (cmd_action == HostCmd_ACT_GEN_GET) {
 750                 cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
 751                 return 0;
 752         }
 753
 754         /* Set domain info fields */
 755         domain->header.type = cpu_to_le16(WLAN_EID_COUNTRY);
 756         memcpy(domain->country_code, adapter->domain_reg.country_code,
 757                sizeof(domain->country_code));
 758
 759         domain->header.len =
 760                 cpu_to_le16((no_of_triplet *
 761                              sizeof(struct ieee80211_country_ie_triplet))
 762                             + sizeof(domain->country_code));
 763
 764         if (no_of_triplet) {
 765                 memcpy(domain->triplet, adapter->domain_reg.triplet,
 766                        no_of_triplet * sizeof(struct
 767                                               ieee80211_country_ie_triplet));
 768
 769                 cmd->size = cpu_to_le16(sizeof(domain_info->action) +
 770                                         le16_to_cpu(domain->header.len) +
 771                                         sizeof(struct mwifiex_ie_types_header)
 772                                         + S_DS_GEN);
 773         } else {
 774                 cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
 775         }
 776
 777         return 0;
 778 }
 779
 780 /*
 781  * This function prepares command to set/get IBSS coalescing status.
 782  *
 783  * Preparation includes -
 784  *      - Setting command ID, action and proper size
 785  *      - Setting status to enable or disable (for SET only)
 786  *      - Ensuring correct endian-ness
 787  */
 788 static int mwifiex_cmd_ibss_coalescing_status(struct host_cmd_ds_command *cmd,
 789                                               u16 cmd_action, u16 *enable)
 790 {
 791         struct host_cmd_ds_802_11_ibss_status *ibss_coal =
 792                 &(cmd->params.ibss_coalescing);
 793
 794         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_IBSS_COALESCING_STATUS);
 795         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_ibss_status) +
 796                                 S_DS_GEN);
 797         cmd->result = 0;
 798         ibss_coal->action = cpu_to_le16(cmd_action);
 799
 800         switch (cmd_action) {
 801         case HostCmd_ACT_GEN_SET:
 802                 if (enable)
 803                         ibss_coal->enable = cpu_to_le16(*enable);
 804                 else
 805                         ibss_coal->enable = 0;
 806                 break;
 807
 808                 /* In other case.. Nothing to do */
 809         case HostCmd_ACT_GEN_GET:
 810         default:
 811                 break;
 812         }
 813
 814         return 0;
 815 }
 816
 817 /*
 818  * This function prepares command to set/get register value.
 819  *
 820  * Preparation includes -
 821  *      - Setting command ID, action and proper size
 822  *      - Setting register offset (for both GET and SET) and
 823  *        register value (for SET only)
 824  *      - Ensuring correct endian-ness
 825  *
 826  * The following type of registers can be accessed with this function -
 827  *      - MAC register
 828  *      - BBP register
 829  *      - RF register
 830  *      - PMIC register
 831  *      - CAU register
 832  *      - EEPROM
 833  */
 834 static int mwifiex_cmd_reg_access(struct host_cmd_ds_command *cmd,
 835                                   u16 cmd_action, void *data_buf)
 836 {
 837         struct mwifiex_ds_reg_rw *reg_rw = data_buf;
 838
 839         switch (le16_to_cpu(cmd->command)) {
 840         case HostCmd_CMD_MAC_REG_ACCESS:
 841         {
 842                 struct host_cmd_ds_mac_reg_access *mac_reg;
 843
 844                 cmd->size = cpu_to_le16(sizeof(*mac_reg) + S_DS_GEN);
 845                 mac_reg = &cmd->params.mac_reg;
 846                 mac_reg->action = cpu_to_le16(cmd_action);
 847                 mac_reg->offset =
 848                         cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 849                 mac_reg->value = reg_rw->value;
 850                 break;
 851         }
 852         case HostCmd_CMD_BBP_REG_ACCESS:
 853         {
 854                 struct host_cmd_ds_bbp_reg_access *bbp_reg;
 855
 856                 cmd->size = cpu_to_le16(sizeof(*bbp_reg) + S_DS_GEN);
 857                 bbp_reg = &cmd->params.bbp_reg;
 858                 bbp_reg->action = cpu_to_le16(cmd_action);
 859                 bbp_reg->offset =
 860                         cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 861                 bbp_reg->value = (u8) le32_to_cpu(reg_rw->value);
 862                 break;
 863         }
 864         case HostCmd_CMD_RF_REG_ACCESS:
 865         {
 866                 struct host_cmd_ds_rf_reg_access *rf_reg;
 867
 868                 cmd->size = cpu_to_le16(sizeof(*rf_reg) + S_DS_GEN);
 869                 rf_reg = &cmd->params.rf_reg;
 870                 rf_reg->action = cpu_to_le16(cmd_action);
 871                 rf_reg->offset = cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 872                 rf_reg->value = (u8) le32_to_cpu(reg_rw->value);
 873                 break;
 874         }
 875         case HostCmd_CMD_PMIC_REG_ACCESS:
 876         {
 877                 struct host_cmd_ds_pmic_reg_access *pmic_reg;
 878
 879                 cmd->size = cpu_to_le16(sizeof(*pmic_reg) + S_DS_GEN);
 880                 pmic_reg = &cmd->params.pmic_reg;
 881                 pmic_reg->action = cpu_to_le16(cmd_action);
 882                 pmic_reg->offset =
 883                                 cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 884                 pmic_reg->value = (u8) le32_to_cpu(reg_rw->value);
 885                 break;
 886         }
 887         case HostCmd_CMD_CAU_REG_ACCESS:
 888         {
 889                 struct host_cmd_ds_rf_reg_access *cau_reg;
 890
 891                 cmd->size = cpu_to_le16(sizeof(*cau_reg) + S_DS_GEN);
 892                 cau_reg = &cmd->params.rf_reg;
 893                 cau_reg->action = cpu_to_le16(cmd_action);
 894                 cau_reg->offset =
 895                                 cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 896                 cau_reg->value = (u8) le32_to_cpu(reg_rw->value);
 897                 break;
 898         }
 899         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 900         {
 901                 struct mwifiex_ds_read_eeprom *rd_eeprom = data_buf;
 902                 struct host_cmd_ds_802_11_eeprom_access *cmd_eeprom =
 903                         &cmd->params.eeprom;
 904
 905                 cmd->size = cpu_to_le16(sizeof(*cmd_eeprom) + S_DS_GEN);
 906                 cmd_eeprom->action = cpu_to_le16(cmd_action);
 907                 cmd_eeprom->offset = rd_eeprom->offset;
 908                 cmd_eeprom->byte_count = rd_eeprom->byte_count;
 909                 cmd_eeprom->value = 0;
 910                 break;
 911         }
 912         default:
 913                 return -1;
 914         }
 915
 916         return 0;
 917 }
 918
 919 /*
 920  * This function prepares command to set PCI-Express
 921  * host buffer configuration
 922  *
 923  * Preparation includes -
 924  *      - Setting command ID, action and proper size
 925  *      - Setting host buffer configuration
 926  *      - Ensuring correct endian-ness
 927  */
 928 static int
 929 mwifiex_cmd_pcie_host_spec(struct mwifiex_private *priv,
 930                            struct host_cmd_ds_command *cmd, u16 action)
 931 {
 932         struct host_cmd_ds_pcie_details *host_spec =
 933                                         &cmd->params.pcie_host_spec;
 934         struct pcie_service_card *card = priv->adapter->card;
 935
 936         cmd->command = cpu_to_le16(HostCmd_CMD_PCIE_DESC_DETAILS);
 937         cmd->size = cpu_to_le16(sizeof(struct
 938                                         host_cmd_ds_pcie_details) + S_DS_GEN);
 939         cmd->result = 0;
 940
 941         memset(host_spec, 0, sizeof(struct host_cmd_ds_pcie_details));
 942
 943         if (action != HostCmd_ACT_GEN_SET)
 944                 return 0;
 945
 946         /* Send the ring base addresses and count to firmware */
 947         host_spec->txbd_addr_lo = (u32)(card->txbd_ring_pbase);
 948         host_spec->txbd_addr_hi = (u32)(((u64)card->txbd_ring_pbase)>>32);
 949         host_spec->txbd_count = MWIFIEX_MAX_TXRX_BD;
 950         host_spec->rxbd_addr_lo = (u32)(card->rxbd_ring_pbase);
 951         host_spec->rxbd_addr_hi = (u32)(((u64)card->rxbd_ring_pbase)>>32);
 952         host_spec->rxbd_count = MWIFIEX_MAX_TXRX_BD;
 953         host_spec->evtbd_addr_lo = (u32)(card->evtbd_ring_pbase);
 954         host_spec->evtbd_addr_hi = (u32)(((u64)card->evtbd_ring_pbase)>>32);
 955         host_spec->evtbd_count = MWIFIEX_MAX_EVT_BD;
 956         if (card->sleep_cookie_vbase) {
 957                 host_spec->sleep_cookie_addr_lo =
 958                                                 (u32)(card->sleep_cookie_pbase);
 959                 host_spec->sleep_cookie_addr_hi =
 960                                  (u32)(((u64)(card->sleep_cookie_pbase)) >> 32);
 961                 dev_dbg(priv->adapter->dev, "sleep_cook_lo phy addr: 0x%x\n",
 962                         host_spec->sleep_cookie_addr_lo);
 963         }
 964
 965         return 0;
 966 }
 967
 968 /*
 969  * This function prepares command for event subscription, configuration
 970  * and query. Events can be subscribed or unsubscribed. Current subscribed
 971  * events can be queried. Also, current subscribed events are reported in
 972  * every FW response.
 973  */
 974 static int
 975 mwifiex_cmd_802_11_subsc_evt(struct mwifiex_private *priv,
 976                              struct host_cmd_ds_command *cmd,
 977                              struct mwifiex_ds_misc_subsc_evt *subsc_evt_cfg)
 978 {
 979         struct host_cmd_ds_802_11_subsc_evt *subsc_evt = &cmd->params.subsc_evt;
 980         struct mwifiex_ie_types_rssi_threshold *rssi_tlv;
 981         u16 event_bitmap;
 982         u8 *pos;
 983
 984         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SUBSCRIBE_EVENT);
 985         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_subsc_evt) +
 986                                 S_DS_GEN);
 987
 988         subsc_evt->action = cpu_to_le16(subsc_evt_cfg->action);
 989         dev_dbg(priv->adapter->dev, "cmd: action: %d\n", subsc_evt_cfg->action);
 990
 991         /*For query requests, no configuration TLV structures are to be added.*/
 992         if (subsc_evt_cfg->action == HostCmd_ACT_GEN_GET)
 993                 return 0;
 994
 995         subsc_evt->events = cpu_to_le16(subsc_evt_cfg->events);
 996
 997         event_bitmap = subsc_evt_cfg->events;
 998         dev_dbg(priv->adapter->dev, "cmd: event bitmap : %16x\n",
 999                 event_bitmap);
1000
1001         if (((subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR) ||
1002              (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_SET)) &&
1003             (event_bitmap == 0)) {
1004                 dev_dbg(priv->adapter->dev, "Error: No event specified "
1005                         "for bitwise action type\n");
1006                 return -EINVAL;
1007         }
1008
1009         /*
1010          * Append TLV structures for each of the specified events for
1011          * subscribing or re-configuring. This is not required for
1012          * bitwise unsubscribing request.
1013          */
1014         if (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR)
1015                 return 0;
1016
1017         pos = ((u8 *)subsc_evt) +
1018                         sizeof(struct host_cmd_ds_802_11_subsc_evt);
1019
1020         if (event_bitmap & BITMASK_BCN_RSSI_LOW) {
1021                 rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
1022
1023                 rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_LOW);
1024                 rssi_tlv->header.len =
1025                     cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
1026                                 sizeof(struct mwifiex_ie_types_header));
1027                 rssi_tlv->abs_value = subsc_evt_cfg->bcn_l_rssi_cfg.abs_value;
1028                 rssi_tlv->evt_freq = subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq;
1029
1030                 dev_dbg(priv->adapter->dev, "Cfg Beacon Low Rssi event, "
1031                         "RSSI:-%d dBm, Freq:%d\n",
1032                         subsc_evt_cfg->bcn_l_rssi_cfg.abs_value,
1033                         subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq);
1034
1035                 pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
1036                 le16_add_cpu(&cmd->size,
1037                              sizeof(struct mwifiex_ie_types_rssi_threshold));
1038         }
1039
1040         if (event_bitmap & BITMASK_BCN_RSSI_HIGH) {
1041                 rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
1042
1043                 rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_HIGH);
1044                 rssi_tlv->header.len =
1045                     cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
1046                                 sizeof(struct mwifiex_ie_types_header));
1047                 rssi_tlv->abs_value = subsc_evt_cfg->bcn_h_rssi_cfg.abs_value;
1048                 rssi_tlv->evt_freq = subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq;
1049
1050                 dev_dbg(priv->adapter->dev, "Cfg Beacon High Rssi event, "
1051                         "RSSI:-%d dBm, Freq:%d\n",
1052                         subsc_evt_cfg->bcn_h_rssi_cfg.abs_value,
1053                         subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq);
1054
1055                 pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
1056                 le16_add_cpu(&cmd->size,
1057                              sizeof(struct mwifiex_ie_types_rssi_threshold));
1058         }
1059
1060         return 0;
1061 }
1062
1063 static int
1064 mwifiex_cmd_append_rpn_expression(struct mwifiex_private *priv,
1065                                   struct mwifiex_mef_entry *mef_entry,
1066                                   u8 **buffer)
1067 {
1068         struct mwifiex_mef_filter *filter = mef_entry->filter;
1069         int i, byte_len;
1070         u8 *stack_ptr = *buffer;
1071
1072         for (i = 0; i < MWIFIEX_MAX_FILTERS; i++) {
1073                 filter = &mef_entry->filter[i];
1074                 if (!filter->filt_type)
1075                         break;
1076                 *(__le32 *)stack_ptr = cpu_to_le32((u32)filter->repeat);
1077                 stack_ptr += 4;
1078                 *stack_ptr = TYPE_DNUM;
1079                 stack_ptr += 1;
1080
1081                 byte_len = filter->byte_seq[MAX_BYTESEQ];
1082                 memcpy(stack_ptr, filter->byte_seq, byte_len);
1083                 stack_ptr += byte_len;
1084                 *stack_ptr = byte_len;
1085                 stack_ptr += 1;
1086                 *stack_ptr = TYPE_BYTESEQ;
1087                 stack_ptr += 1;
1088
1089                 *(__le32 *)stack_ptr = cpu_to_le32((u32)filter->offset);
1090                 stack_ptr += 4;
1091                 *stack_ptr = TYPE_DNUM;
1092                 stack_ptr += 1;
1093
1094                 *stack_ptr = filter->filt_type;
1095                 stack_ptr += 1;
1096
1097                 if (filter->filt_action) {
1098                         *stack_ptr = filter->filt_action;
1099                         stack_ptr += 1;
1100                 }
1101
1102                 if (stack_ptr - *buffer > STACK_NBYTES)
1103                         return -1;
1104         }
1105
1106         *buffer = stack_ptr;
1107         return 0;
1108 }
1109
1110 static int
1111 mwifiex_cmd_mef_cfg(struct mwifiex_private *priv,
1112                     struct host_cmd_ds_command *cmd,
1113                     struct mwifiex_ds_mef_cfg *mef)
1114 {
1115         struct host_cmd_ds_mef_cfg *mef_cfg = &cmd->params.mef_cfg;
1116         u8 *pos = (u8 *)mef_cfg;
1117
1118         cmd->command = cpu_to_le16(HostCmd_CMD_MEF_CFG);
1119
1120         mef_cfg->criteria = cpu_to_le32(mef->criteria);
1121         mef_cfg->num_entries = cpu_to_le16(mef->num_entries);
1122         pos += sizeof(*mef_cfg);
1123         mef_cfg->mef_entry->mode = mef->mef_entry->mode;
1124         mef_cfg->mef_entry->action = mef->mef_entry->action;
1125         pos += sizeof(*(mef_cfg->mef_entry));
1126
1127         if (mwifiex_cmd_append_rpn_expression(priv, mef->mef_entry, &pos))
1128                 return -1;
1129
1130         mef_cfg->mef_entry->exprsize =
1131                         cpu_to_le16(pos - mef_cfg->mef_entry->expr);
1132         cmd->size = cpu_to_le16((u16) (pos - (u8 *)mef_cfg) + S_DS_GEN);
1133
1134         return 0;
1135 }
1136
1137 /*
1138  * This function prepares the commands before sending them to the firmware.
1139  *
1140  * This is a generic function which calls specific command preparation
1141  * routines based upon the command number.
1142  */
1143 int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
1144                             u16 cmd_action, u32 cmd_oid,
1145                             void *data_buf, void *cmd_buf)
1146 {
1147         struct host_cmd_ds_command *cmd_ptr = cmd_buf;
1148         int ret = 0;
1149
1150         /* Prepare command */
1151         switch (cmd_no) {
1152         case HostCmd_CMD_GET_HW_SPEC:
1153                 ret = mwifiex_cmd_get_hw_spec(priv, cmd_ptr);
1154                 break;
1155         case HostCmd_CMD_MAC_CONTROL:
1156                 ret = mwifiex_cmd_mac_control(priv, cmd_ptr, cmd_action,
1157                                               data_buf);
1158                 break;
1159         case HostCmd_CMD_802_11_MAC_ADDRESS:
1160                 ret = mwifiex_cmd_802_11_mac_address(priv, cmd_ptr,
1161                                                      cmd_action);
1162                 break;
1163         case HostCmd_CMD_MAC_MULTICAST_ADR:
1164                 ret = mwifiex_cmd_mac_multicast_adr(cmd_ptr, cmd_action,
1165                                                     data_buf);
1166                 break;
1167         case HostCmd_CMD_TX_RATE_CFG:
1168                 ret = mwifiex_cmd_tx_rate_cfg(priv, cmd_ptr, cmd_action,
1169                                               data_buf);
1170                 break;
1171         case HostCmd_CMD_TXPWR_CFG:
1172                 ret = mwifiex_cmd_tx_power_cfg(cmd_ptr, cmd_action,
1173                                                data_buf);
1174                 break;
1175         case HostCmd_CMD_RF_TX_PWR:
1176                 ret = mwifiex_cmd_rf_tx_power(priv, cmd_ptr, cmd_action,
1177                                               data_buf);
1178                 break;
1179         case HostCmd_CMD_RF_ANTENNA:
1180                 ret = mwifiex_cmd_rf_antenna(priv, cmd_ptr, cmd_action,
1181                                              data_buf);
1182                 break;
1183         case HostCmd_CMD_802_11_PS_MODE_ENH:
1184                 ret = mwifiex_cmd_enh_power_mode(priv, cmd_ptr, cmd_action,
1185                                                  (uint16_t)cmd_oid, data_buf);
1186                 break;
1187         case HostCmd_CMD_802_11_HS_CFG_ENH:
1188                 ret = mwifiex_cmd_802_11_hs_cfg(priv, cmd_ptr, cmd_action,
1189                                 (struct mwifiex_hs_config_param *) data_buf);
1190                 break;
1191         case HostCmd_CMD_802_11_SCAN:
1192                 ret = mwifiex_cmd_802_11_scan(cmd_ptr, data_buf);
1193                 break;
1194         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
1195                 ret = mwifiex_cmd_802_11_bg_scan_query(cmd_ptr);
1196                 break;
1197         case HostCmd_CMD_802_11_ASSOCIATE:
1198                 ret = mwifiex_cmd_802_11_associate(priv, cmd_ptr, data_buf);
1199                 break;
1200         case HostCmd_CMD_802_11_DEAUTHENTICATE:
1201                 ret = mwifiex_cmd_802_11_deauthenticate(priv, cmd_ptr,
1202                                                         data_buf);
1203                 break;
1204         case HostCmd_CMD_802_11_AD_HOC_START:
1205                 ret = mwifiex_cmd_802_11_ad_hoc_start(priv, cmd_ptr,
1206                                                       data_buf);
1207                 break;
1208         case HostCmd_CMD_802_11_GET_LOG:
1209                 ret = mwifiex_cmd_802_11_get_log(cmd_ptr);
1210                 break;
1211         case HostCmd_CMD_802_11_AD_HOC_JOIN:
1212                 ret = mwifiex_cmd_802_11_ad_hoc_join(priv, cmd_ptr,
1213                                                      data_buf);
1214                 break;
1215         case HostCmd_CMD_802_11_AD_HOC_STOP:
1216                 ret = mwifiex_cmd_802_11_ad_hoc_stop(cmd_ptr);
1217                 break;
1218         case HostCmd_CMD_RSSI_INFO:
1219                 ret = mwifiex_cmd_802_11_rssi_info(priv, cmd_ptr, cmd_action);
1220                 break;
1221         case HostCmd_CMD_802_11_SNMP_MIB:
1222                 ret = mwifiex_cmd_802_11_snmp_mib(priv, cmd_ptr, cmd_action,
1223                                                   cmd_oid, data_buf);
1224                 break;
1225         case HostCmd_CMD_802_11_TX_RATE_QUERY:
1226                 cmd_ptr->command =
1227                         cpu_to_le16(HostCmd_CMD_802_11_TX_RATE_QUERY);
1228                 cmd_ptr->size =
1229                         cpu_to_le16(sizeof(struct host_cmd_ds_tx_rate_query) +
1230                                     S_DS_GEN);
1231                 priv->tx_rate = 0;
1232                 ret = 0;
1233                 break;
1234         case HostCmd_CMD_VERSION_EXT:
1235                 cmd_ptr->command = cpu_to_le16(cmd_no);
1236                 cmd_ptr->params.verext.version_str_sel =
1237                         (u8) (*((u32 *) data_buf));
1238                 memcpy(&cmd_ptr->params, data_buf,
1239                        sizeof(struct host_cmd_ds_version_ext));
1240                 cmd_ptr->size =
1241                         cpu_to_le16(sizeof(struct host_cmd_ds_version_ext) +
1242                                     S_DS_GEN);
1243                 ret = 0;
1244                 break;
1245         case HostCmd_CMD_MGMT_FRAME_REG:
1246                 cmd_ptr->command = cpu_to_le16(cmd_no);
1247                 cmd_ptr->params.reg_mask.action = cpu_to_le16(cmd_action);
1248                 cmd_ptr->params.reg_mask.mask = cpu_to_le32(*(u32 *)data_buf);
1249                 cmd_ptr->size =
1250                         cpu_to_le16(sizeof(struct host_cmd_ds_mgmt_frame_reg) +
1251                                     S_DS_GEN);
1252                 ret = 0;
1253                 break;
1254         case HostCmd_CMD_REMAIN_ON_CHAN:
1255                 cmd_ptr->command = cpu_to_le16(cmd_no);
1256                 memcpy(&cmd_ptr->params, data_buf,
1257                        sizeof(struct host_cmd_ds_remain_on_chan));
1258                 cmd_ptr->size =
1259                       cpu_to_le16(sizeof(struct host_cmd_ds_remain_on_chan) +
1260                                   S_DS_GEN);
1261                 break;
1262         case HostCmd_CMD_11AC_CFG:
1263                 ret = mwifiex_cmd_11ac_cfg(priv, cmd_ptr, cmd_action, data_buf);
1264                 break;
1265         case HostCmd_CMD_P2P_MODE_CFG:
1266                 cmd_ptr->command = cpu_to_le16(cmd_no);
1267                 cmd_ptr->params.mode_cfg.action = cpu_to_le16(cmd_action);
1268                 cmd_ptr->params.mode_cfg.mode = cpu_to_le16(*(u16 *)data_buf);
1269                 cmd_ptr->size =
1270                         cpu_to_le16(sizeof(struct host_cmd_ds_p2p_mode_cfg) +
1271                                     S_DS_GEN);
1272                 break;
1273         case HostCmd_CMD_FUNC_INIT:
1274                 if (priv->adapter->hw_status == MWIFIEX_HW_STATUS_RESET)
1275                         priv->adapter->hw_status = MWIFIEX_HW_STATUS_READY;
1276                 cmd_ptr->command = cpu_to_le16(cmd_no);
1277                 cmd_ptr->size = cpu_to_le16(S_DS_GEN);
1278                 break;
1279         case HostCmd_CMD_FUNC_SHUTDOWN:
1280                 priv->adapter->hw_status = MWIFIEX_HW_STATUS_RESET;
1281                 cmd_ptr->command = cpu_to_le16(cmd_no);
1282                 cmd_ptr->size = cpu_to_le16(S_DS_GEN);
1283                 break;
1284         case HostCmd_CMD_11N_ADDBA_REQ:
1285                 ret = mwifiex_cmd_11n_addba_req(cmd_ptr, data_buf);
1286                 break;
1287         case HostCmd_CMD_11N_DELBA:
1288                 ret = mwifiex_cmd_11n_delba(cmd_ptr, data_buf);
1289                 break;
1290         case HostCmd_CMD_11N_ADDBA_RSP:
1291                 ret = mwifiex_cmd_11n_addba_rsp_gen(priv, cmd_ptr, data_buf);
1292                 break;
1293         case HostCmd_CMD_802_11_KEY_MATERIAL:
1294                 ret = mwifiex_cmd_802_11_key_material(priv, cmd_ptr,
1295                                                       cmd_action, cmd_oid,
1296                                                       data_buf);
1297                 break;
1298         case HostCmd_CMD_802_11D_DOMAIN_INFO:
1299                 ret = mwifiex_cmd_802_11d_domain_info(priv, cmd_ptr,
1300                                                       cmd_action);
1301                 break;
1302         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
1303                 ret = mwifiex_cmd_recfg_tx_buf(priv, cmd_ptr, cmd_action,
1304                                                data_buf);
1305                 break;
1306         case HostCmd_CMD_AMSDU_AGGR_CTRL:
1307                 ret = mwifiex_cmd_amsdu_aggr_ctrl(cmd_ptr, cmd_action,
1308                                                   data_buf);
1309                 break;
1310         case HostCmd_CMD_11N_CFG:
1311                 ret = mwifiex_cmd_11n_cfg(priv, cmd_ptr, cmd_action, data_buf);
1312                 break;
1313         case HostCmd_CMD_WMM_GET_STATUS:
1314                 dev_dbg(priv->adapter->dev,
1315                         "cmd: WMM: WMM_GET_STATUS cmd sent\n");
1316                 cmd_ptr->command = cpu_to_le16(HostCmd_CMD_WMM_GET_STATUS);
1317                 cmd_ptr->size =
1318                         cpu_to_le16(sizeof(struct host_cmd_ds_wmm_get_status) +
1319                                     S_DS_GEN);
1320                 ret = 0;
1321                 break;
1322         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
1323                 ret = mwifiex_cmd_ibss_coalescing_status(cmd_ptr, cmd_action,
1324                                                          data_buf);
1325                 break;
1326         case HostCmd_CMD_MAC_REG_ACCESS:
1327         case HostCmd_CMD_BBP_REG_ACCESS:
1328         case HostCmd_CMD_RF_REG_ACCESS:
1329         case HostCmd_CMD_PMIC_REG_ACCESS:
1330         case HostCmd_CMD_CAU_REG_ACCESS:
1331         case HostCmd_CMD_802_11_EEPROM_ACCESS:
1332                 ret = mwifiex_cmd_reg_access(cmd_ptr, cmd_action, data_buf);
1333                 break;
1334         case HostCmd_CMD_SET_BSS_MODE:
1335                 cmd_ptr->command = cpu_to_le16(cmd_no);
1336                 if (priv->bss_mode == NL80211_IFTYPE_ADHOC)
1337                         cmd_ptr->params.bss_mode.con_type =
1338                                 CONNECTION_TYPE_ADHOC;
1339                 else if (priv->bss_mode == NL80211_IFTYPE_STATION)
1340                         cmd_ptr->params.bss_mode.con_type =
1341                                 CONNECTION_TYPE_INFRA;
1342                 else if (priv->bss_mode == NL80211_IFTYPE_AP)
1343                         cmd_ptr->params.bss_mode.con_type = CONNECTION_TYPE_AP;
1344                 cmd_ptr->size = cpu_to_le16(sizeof(struct
1345                                 host_cmd_ds_set_bss_mode) + S_DS_GEN);
1346                 ret = 0;
1347                 break;
1348         case HostCmd_CMD_PCIE_DESC_DETAILS:
1349                 ret = mwifiex_cmd_pcie_host_spec(priv, cmd_ptr, cmd_action);
1350                 break;
1351         case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
1352                 ret = mwifiex_cmd_802_11_subsc_evt(priv, cmd_ptr, data_buf);
1353                 break;
1354         case HostCmd_CMD_MEF_CFG:
1355                 ret = mwifiex_cmd_mef_cfg(priv, cmd_ptr, data_buf);
1356                 break;
1357         default:
1358                 dev_err(priv->adapter->dev,
1359                         "PREP_CMD: unknown cmd- %#x\n", cmd_no);
1360                 ret = -1;
1361                 break;
1362         }
1363         return ret;
1364 }
1365
1366 /*
1367  * This function issues commands to initialize firmware.
1368  *
1369  * This is called after firmware download to bring the card to
1370  * working state.
1371  *
1372  * The following commands are issued sequentially -
1373  *      - Set PCI-Express host buffer configuration (PCIE only)
1374  *      - Function init (for first interface only)
1375  *      - Read MAC address (for first interface only)
1376  *      - Reconfigure Tx buffer size (for first interface only)
1377  *      - Enable auto deep sleep (for first interface only)
1378  *      - Get Tx rate
1379  *      - Get Tx power
1380  *      - Set IBSS coalescing status
1381  *      - Set AMSDU aggregation control
1382  *      - Set 11d control
1383  *      - Set MAC control (this must be the last command to initialize firmware)
1384  */
1385 int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta)
1386 {
1387         int ret;
1388         u16 enable = true;
1389         struct mwifiex_ds_11n_amsdu_aggr_ctrl amsdu_aggr_ctrl;
1390         struct mwifiex_ds_auto_ds auto_ds;
1391         enum state_11d_t state_11d;
1392         struct mwifiex_ds_11n_tx_cfg tx_cfg;
1393
1394         if (first_sta) {
1395                 if (priv->adapter->iface_type == MWIFIEX_PCIE) {
1396                         ret = mwifiex_send_cmd_sync(priv,
1397                                                 HostCmd_CMD_PCIE_DESC_DETAILS,
1398                                                 HostCmd_ACT_GEN_SET, 0, NULL);
1399                         if (ret)
1400                                 return -1;
1401                 }
1402
1403                 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_FUNC_INIT,
1404                                             HostCmd_ACT_GEN_SET, 0, NULL);
1405                 if (ret)
1406                         return -1;
1407                 /* Read MAC address from HW */
1408                 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_GET_HW_SPEC,
1409                                             HostCmd_ACT_GEN_GET, 0, NULL);
1410                 if (ret)
1411                         return -1;
1412
1413                 /* Reconfigure tx buf size */
1414                 ret = mwifiex_send_cmd_sync(priv,
1415                                             HostCmd_CMD_RECONFIGURE_TX_BUFF,
1416                                             HostCmd_ACT_GEN_SET, 0,
1417                                             &priv->adapter->tx_buf_size);
1418                 if (ret)
1419                         return -1;
1420
1421                 if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
1422                         /* Enable IEEE PS by default */
1423                         priv->adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
1424                         ret = mwifiex_send_cmd_sync(
1425                                         priv, HostCmd_CMD_802_11_PS_MODE_ENH,
1426                                         EN_AUTO_PS, BITMAP_STA_PS, NULL);
1427                         if (ret)
1428                                 return -1;
1429                 }
1430         }
1431
1432         /* get tx rate */
1433         ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
1434                                     HostCmd_ACT_GEN_GET, 0, NULL);
1435         if (ret)
1436                 return -1;
1437         priv->data_rate = 0;
1438
1439         /* get tx power */
1440         ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_TX_PWR,
1441                                     HostCmd_ACT_GEN_GET, 0, NULL);
1442         if (ret)
1443                 return -1;
1444
1445         if (priv->bss_type == MWIFIEX_BSS_TYPE_STA) {
1446                 /* set ibss coalescing_status */
1447                 ret = mwifiex_send_cmd_sync(
1448                                 priv, HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
1449                                 HostCmd_ACT_GEN_SET, 0, &enable);
1450                 if (ret)
1451                         return -1;
1452         }
1453
1454         memset(&amsdu_aggr_ctrl, 0, sizeof(amsdu_aggr_ctrl));
1455         amsdu_aggr_ctrl.enable = true;
1456         /* Send request to firmware */
1457         ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_AMSDU_AGGR_CTRL,
1458                                     HostCmd_ACT_GEN_SET, 0,
1459                                     &amsdu_aggr_ctrl);
1460         if (ret)
1461                 return -1;
1462         /* MAC Control must be the last command in init_fw */
1463         /* set MAC Control */
1464         ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
1465                                     HostCmd_ACT_GEN_SET, 0,
1466                                     &priv->curr_pkt_filter);
1467         if (ret)
1468                 return -1;
1469
1470         if (first_sta && priv->adapter->iface_type != MWIFIEX_USB &&
1471             priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
1472                 /* Enable auto deep sleep */
1473                 auto_ds.auto_ds = DEEP_SLEEP_ON;
1474                 auto_ds.idle_time = DEEP_SLEEP_IDLE_TIME;
1475                 ret = mwifiex_send_cmd_sync(priv,
1476                                             HostCmd_CMD_802_11_PS_MODE_ENH,
1477                                             EN_AUTO_PS, BITMAP_AUTO_DS,
1478                                             &auto_ds);
1479                 if (ret)
1480                         return -1;
1481         }
1482
1483         if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
1484                 /* Send cmd to FW to enable/disable 11D function */
1485                 state_11d = ENABLE_11D;
1486                 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
1487                                             HostCmd_ACT_GEN_SET, DOT11D_I,
1488                                             &state_11d);
1489                 if (ret)
1490                         dev_err(priv->adapter->dev,
1491                                 "11D: failed to enable 11D\n");
1492         }
1493
1494         /* set last_init_cmd before sending the command */
1495         priv->adapter->last_init_cmd = HostCmd_CMD_11N_CFG;
1496
1497         /* Send cmd to FW to configure 11n specific configuration
1498          * (Short GI, Channel BW, Green field support etc.) for transmit
1499          */
1500         tx_cfg.tx_htcap = MWIFIEX_FW_DEF_HTTXCFG;
1501         ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_11N_CFG,
1502                                     HostCmd_ACT_GEN_SET, 0, &tx_cfg);
1503
1504         ret = -EINPROGRESS;
1505
1506         return ret;
1507 }