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
  28 /*
  29  * This function prepares command to set/get RSSI information.
  30  *
  31  * Preparation includes -
  32  *      - Setting command ID, action and proper size
  33  *      - Setting data/beacon average factors
  34  *      - Resetting SNR/NF/RSSI values in private structure
  35  *      - Ensuring correct endian-ness
  36  */
  37 static int
  38 mwifiex_cmd_802_11_rssi_info(struct mwifiex_private *priv,
  39                              struct host_cmd_ds_command *cmd, u16 cmd_action)
  40 {
  41         cmd->command = cpu_to_le16(HostCmd_CMD_RSSI_INFO);
  42         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rssi_info) +
  43                                 S_DS_GEN);
  44         cmd->params.rssi_info.action = cpu_to_le16(cmd_action);
  45         cmd->params.rssi_info.ndata = cpu_to_le16(priv->data_avg_factor);
  46         cmd->params.rssi_info.nbcn = cpu_to_le16(priv->bcn_avg_factor);
  47
  48         /* Reset SNR/NF/RSSI values in private structure */
  49         priv->data_rssi_last = 0;
  50         priv->data_nf_last = 0;
  51         priv->data_rssi_avg = 0;
  52         priv->data_nf_avg = 0;
  53         priv->bcn_rssi_last = 0;
  54         priv->bcn_nf_last = 0;
  55         priv->bcn_rssi_avg = 0;
  56         priv->bcn_nf_avg = 0;
  57
  58         return 0;
  59 }
  60
  61 /*
  62  * This function prepares command to set MAC control.
  63  *
  64  * Preparation includes -
  65  *      - Setting command ID, action and proper size
  66  *      - Ensuring correct endian-ness
  67  */
  68 static int mwifiex_cmd_mac_control(struct mwifiex_private *priv,
  69                                    struct host_cmd_ds_command *cmd,
  70                                    u16 cmd_action, u16 *action)
  71 {
  72         struct host_cmd_ds_mac_control *mac_ctrl = &cmd->params.mac_ctrl;
  73
  74         if (cmd_action != HostCmd_ACT_GEN_SET) {
  75                 dev_err(priv->adapter->dev,
  76                         "mac_control: only support set cmd\n");
  77                 return -1;
  78         }
  79
  80         cmd->command = cpu_to_le16(HostCmd_CMD_MAC_CONTROL);
  81         cmd->size =
  82                 cpu_to_le16(sizeof(struct host_cmd_ds_mac_control) + S_DS_GEN);
  83         mac_ctrl->action = cpu_to_le16(*action);
  84
  85         return 0;
  86 }
  87
  88 /*
  89  * This function prepares command to set/get SNMP MIB.
  90  *
  91  * Preparation includes -
  92  *      - Setting command ID, action and proper size
  93  *      - Setting SNMP MIB OID number and value
  94  *        (as required)
  95  *      - Ensuring correct endian-ness
  96  *
  97  * The following SNMP MIB OIDs are supported -
  98  *      - FRAG_THRESH_I     : Fragmentation threshold
  99  *      - RTS_THRESH_I      : RTS threshold
 100  *      - SHORT_RETRY_LIM_I : Short retry limit
 101  *      - DOT11D_I          : 11d support
 102  */
 103 static int mwifiex_cmd_802_11_snmp_mib(struct mwifiex_private *priv,
 104                                        struct host_cmd_ds_command *cmd,
 105                                        u16 cmd_action, u32 cmd_oid,
 106                                        u16 *ul_temp)
 107 {
 108         struct host_cmd_ds_802_11_snmp_mib *snmp_mib = &cmd->params.smib;
 109
 110         dev_dbg(priv->adapter->dev, "cmd: SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 111         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SNMP_MIB);
 112         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_snmp_mib)
 113                                 - 1 + S_DS_GEN);
 114
 115         snmp_mib->oid = cpu_to_le16((u16)cmd_oid);
 116         if (cmd_action == HostCmd_ACT_GEN_GET) {
 117                 snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_GET);
 118                 snmp_mib->buf_size = cpu_to_le16(MAX_SNMP_BUF_SIZE);
 119                 le16_add_cpu(&cmd->size, MAX_SNMP_BUF_SIZE);
 120         } else if (cmd_action == HostCmd_ACT_GEN_SET) {
 121                 snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_SET);
 122                 snmp_mib->buf_size = cpu_to_le16(sizeof(u16));
 123                 *((__le16 *) (snmp_mib->value)) = cpu_to_le16(*ul_temp);
 124                 le16_add_cpu(&cmd->size, sizeof(u16));
 125         }
 126
 127         dev_dbg(priv->adapter->dev,
 128                 "cmd: SNMP_CMD: Action=0x%x, OID=0x%x, OIDSize=0x%x,"
 129                 " Value=0x%x\n",
 130                 cmd_action, cmd_oid, le16_to_cpu(snmp_mib->buf_size),
 131                 le16_to_cpu(*(__le16 *) snmp_mib->value));
 132         return 0;
 133 }
 134
 135 /*
 136  * This function prepares command to get log.
 137  *
 138  * Preparation includes -
 139  *      - Setting command ID and proper size
 140  *      - Ensuring correct endian-ness
 141  */
 142 static int
 143 mwifiex_cmd_802_11_get_log(struct host_cmd_ds_command *cmd)
 144 {
 145         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_GET_LOG);
 146         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_get_log) +
 147                                 S_DS_GEN);
 148         return 0;
 149 }
 150
 151 /*
 152  * This function prepares command to set/get Tx data rate configuration.
 153  *
 154  * Preparation includes -
 155  *      - Setting command ID, action and proper size
 156  *      - Setting configuration index, rate scope and rate drop pattern
 157  *        parameters (as required)
 158  *      - Ensuring correct endian-ness
 159  */
 160 static int mwifiex_cmd_tx_rate_cfg(struct mwifiex_private *priv,
 161                                    struct host_cmd_ds_command *cmd,
 162                                    u16 cmd_action, u16 *pbitmap_rates)
 163 {
 164         struct host_cmd_ds_tx_rate_cfg *rate_cfg = &cmd->params.tx_rate_cfg;
 165         struct mwifiex_rate_scope *rate_scope;
 166         struct mwifiex_rate_drop_pattern *rate_drop;
 167         u32 i;
 168
 169         cmd->command = cpu_to_le16(HostCmd_CMD_TX_RATE_CFG);
 170
 171         rate_cfg->action = cpu_to_le16(cmd_action);
 172         rate_cfg->cfg_index = 0;
 173
 174         rate_scope = (struct mwifiex_rate_scope *) ((u8 *) rate_cfg +
 175                       sizeof(struct host_cmd_ds_tx_rate_cfg));
 176         rate_scope->type = cpu_to_le16(TLV_TYPE_RATE_SCOPE);
 177         rate_scope->length = cpu_to_le16
 178                 (sizeof(*rate_scope) - sizeof(struct mwifiex_ie_types_header));
 179         if (pbitmap_rates != NULL) {
 180                 rate_scope->hr_dsss_rate_bitmap = cpu_to_le16(pbitmap_rates[0]);
 181                 rate_scope->ofdm_rate_bitmap = cpu_to_le16(pbitmap_rates[1]);
 182                 for (i = 0;
 183                      i < sizeof(rate_scope->ht_mcs_rate_bitmap) / sizeof(u16);
 184                      i++)
 185                         rate_scope->ht_mcs_rate_bitmap[i] =
 186                                 cpu_to_le16(pbitmap_rates[2 + i]);
 187         } else {
 188                 rate_scope->hr_dsss_rate_bitmap =
 189                         cpu_to_le16(priv->bitmap_rates[0]);
 190                 rate_scope->ofdm_rate_bitmap =
 191                         cpu_to_le16(priv->bitmap_rates[1]);
 192                 for (i = 0;
 193                      i < sizeof(rate_scope->ht_mcs_rate_bitmap) / sizeof(u16);
 194                      i++)
 195                         rate_scope->ht_mcs_rate_bitmap[i] =
 196                                 cpu_to_le16(priv->bitmap_rates[2 + i]);
 197         }
 198
 199         rate_drop = (struct mwifiex_rate_drop_pattern *) ((u8 *) rate_scope +
 200                                              sizeof(struct mwifiex_rate_scope));
 201         rate_drop->type = cpu_to_le16(TLV_TYPE_RATE_DROP_CONTROL);
 202         rate_drop->length = cpu_to_le16(sizeof(rate_drop->rate_drop_mode));
 203         rate_drop->rate_drop_mode = 0;
 204
 205         cmd->size =
 206                 cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_tx_rate_cfg) +
 207                             sizeof(struct mwifiex_rate_scope) +
 208                             sizeof(struct mwifiex_rate_drop_pattern));
 209
 210         return 0;
 211 }
 212
 213 /*
 214  * This function prepares command to set/get Tx power configuration.
 215  *
 216  * Preparation includes -
 217  *      - Setting command ID, action and proper size
 218  *      - Setting Tx power mode, power group TLV
 219  *        (as required)
 220  *      - Ensuring correct endian-ness
 221  */
 222 static int mwifiex_cmd_tx_power_cfg(struct host_cmd_ds_command *cmd,
 223                                     u16 cmd_action,
 224                                     struct host_cmd_ds_txpwr_cfg *txp)
 225 {
 226         struct mwifiex_types_power_group *pg_tlv;
 227         struct host_cmd_ds_txpwr_cfg *cmd_txp_cfg = &cmd->params.txp_cfg;
 228
 229         cmd->command = cpu_to_le16(HostCmd_CMD_TXPWR_CFG);
 230         cmd->size =
 231                 cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_txpwr_cfg));
 232         switch (cmd_action) {
 233         case HostCmd_ACT_GEN_SET:
 234                 if (txp->mode) {
 235                         pg_tlv = (struct mwifiex_types_power_group
 236                                   *) ((unsigned long) txp +
 237                                      sizeof(struct host_cmd_ds_txpwr_cfg));
 238                         memmove(cmd_txp_cfg, txp,
 239                                 sizeof(struct host_cmd_ds_txpwr_cfg) +
 240                                 sizeof(struct mwifiex_types_power_group) +
 241                                 pg_tlv->length);
 242
 243                         pg_tlv = (struct mwifiex_types_power_group *) ((u8 *)
 244                                   cmd_txp_cfg +
 245                                   sizeof(struct host_cmd_ds_txpwr_cfg));
 246                         cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) +
 247                                   sizeof(struct mwifiex_types_power_group) +
 248                                   pg_tlv->length);
 249                 } else {
 250                         memmove(cmd_txp_cfg, txp, sizeof(*txp));
 251                 }
 252                 cmd_txp_cfg->action = cpu_to_le16(cmd_action);
 253                 break;
 254         case HostCmd_ACT_GEN_GET:
 255                 cmd_txp_cfg->action = cpu_to_le16(cmd_action);
 256                 break;
 257         }
 258
 259         return 0;
 260 }
 261
 262 /*
 263  * This function prepares command to set Host Sleep configuration.
 264  *
 265  * Preparation includes -
 266  *      - Setting command ID and proper size
 267  *      - Setting Host Sleep action, conditions, ARP filters
 268  *        (as required)
 269  *      - Ensuring correct endian-ness
 270  */
 271 static int
 272 mwifiex_cmd_802_11_hs_cfg(struct mwifiex_private *priv,
 273                           struct host_cmd_ds_command *cmd,
 274                           u16 cmd_action,
 275                           struct mwifiex_hs_config_param *hscfg_param)
 276 {
 277         struct mwifiex_adapter *adapter = priv->adapter;
 278         struct host_cmd_ds_802_11_hs_cfg_enh *hs_cfg = &cmd->params.opt_hs_cfg;
 279         u16 hs_activate = false;
 280
 281         if (!hscfg_param)
 282                 /* New Activate command */
 283                 hs_activate = true;
 284         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH);
 285
 286         if (!hs_activate &&
 287             (hscfg_param->conditions != cpu_to_le32(HOST_SLEEP_CFG_CANCEL)) &&
 288             ((adapter->arp_filter_size > 0) &&
 289              (adapter->arp_filter_size <= ARP_FILTER_MAX_BUF_SIZE))) {
 290                 dev_dbg(adapter->dev,
 291                         "cmd: Attach %d bytes ArpFilter to HSCfg cmd\n",
 292                         adapter->arp_filter_size);
 293                 memcpy(((u8 *) hs_cfg) +
 294                        sizeof(struct host_cmd_ds_802_11_hs_cfg_enh),
 295                        adapter->arp_filter, adapter->arp_filter_size);
 296                 cmd->size = cpu_to_le16
 297                                 (adapter->arp_filter_size +
 298                                  sizeof(struct host_cmd_ds_802_11_hs_cfg_enh)
 299                                 + S_DS_GEN);
 300         } else {
 301                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof(struct
 302                                                 host_cmd_ds_802_11_hs_cfg_enh));
 303         }
 304         if (hs_activate) {
 305                 hs_cfg->action = cpu_to_le16(HS_ACTIVATE);
 306                 hs_cfg->params.hs_activate.resp_ctrl = RESP_NEEDED;
 307         } else {
 308                 hs_cfg->action = cpu_to_le16(HS_CONFIGURE);
 309                 hs_cfg->params.hs_config.conditions = hscfg_param->conditions;
 310                 hs_cfg->params.hs_config.gpio = hscfg_param->gpio;
 311                 hs_cfg->params.hs_config.gap = hscfg_param->gap;
 312                 dev_dbg(adapter->dev,
 313                         "cmd: HS_CFG_CMD: condition:0x%x gpio:0x%x gap:0x%x\n",
 314                        hs_cfg->params.hs_config.conditions,
 315                        hs_cfg->params.hs_config.gpio,
 316                        hs_cfg->params.hs_config.gap);
 317         }
 318
 319         return 0;
 320 }
 321
 322 /*
 323  * This function prepares command to set/get MAC address.
 324  *
 325  * Preparation includes -
 326  *      - Setting command ID, action and proper size
 327  *      - Setting MAC address (for SET only)
 328  *      - Ensuring correct endian-ness
 329  */
 330 static int mwifiex_cmd_802_11_mac_address(struct mwifiex_private *priv,
 331                                           struct host_cmd_ds_command *cmd,
 332                                           u16 cmd_action)
 333 {
 334         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_MAC_ADDRESS);
 335         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_mac_address) +
 336                                 S_DS_GEN);
 337         cmd->result = 0;
 338
 339         cmd->params.mac_addr.action = cpu_to_le16(cmd_action);
 340
 341         if (cmd_action == HostCmd_ACT_GEN_SET)
 342                 memcpy(cmd->params.mac_addr.mac_addr, priv->curr_addr,
 343                        ETH_ALEN);
 344         return 0;
 345 }
 346
 347 /*
 348  * This function prepares command to set MAC multicast address.
 349  *
 350  * Preparation includes -
 351  *      - Setting command ID, action and proper size
 352  *      - Setting MAC multicast address
 353  *      - Ensuring correct endian-ness
 354  */
 355 static int
 356 mwifiex_cmd_mac_multicast_adr(struct host_cmd_ds_command *cmd,
 357                               u16 cmd_action,
 358                               struct mwifiex_multicast_list *mcast_list)
 359 {
 360         struct host_cmd_ds_mac_multicast_adr *mcast_addr = &cmd->params.mc_addr;
 361
 362         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mac_multicast_adr) +
 363                                 S_DS_GEN);
 364         cmd->command = cpu_to_le16(HostCmd_CMD_MAC_MULTICAST_ADR);
 365
 366         mcast_addr->action = cpu_to_le16(cmd_action);
 367         mcast_addr->num_of_adrs =
 368                 cpu_to_le16((u16) mcast_list->num_multicast_addr);
 369         memcpy(mcast_addr->mac_list, mcast_list->mac_list,
 370                mcast_list->num_multicast_addr * ETH_ALEN);
 371
 372         return 0;
 373 }
 374
 375 /*
 376  * This function prepares command to deauthenticate.
 377  *
 378  * Preparation includes -
 379  *      - Setting command ID and proper size
 380  *      - Setting AP MAC address and reason code
 381  *      - Ensuring correct endian-ness
 382  */
 383 static int mwifiex_cmd_802_11_deauthenticate(struct mwifiex_private *priv,
 384                                              struct host_cmd_ds_command *cmd,
 385                                              u8 *mac)
 386 {
 387         struct host_cmd_ds_802_11_deauthenticate *deauth = &cmd->params.deauth;
 388
 389         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_DEAUTHENTICATE);
 390         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_deauthenticate)
 391                                 + S_DS_GEN);
 392
 393         /* Set AP MAC address */
 394         memcpy(deauth->mac_addr, mac, ETH_ALEN);
 395
 396         dev_dbg(priv->adapter->dev, "cmd: Deauth: %pM\n", deauth->mac_addr);
 397
 398         deauth->reason_code = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
 399
 400         return 0;
 401 }
 402
 403 /*
 404  * This function prepares command to stop Ad-Hoc network.
 405  *
 406  * Preparation includes -
 407  *      - Setting command ID and proper size
 408  *      - Ensuring correct endian-ness
 409  */
 410 static int mwifiex_cmd_802_11_ad_hoc_stop(struct host_cmd_ds_command *cmd)
 411 {
 412         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_STOP);
 413         cmd->size = cpu_to_le16(S_DS_GEN);
 414         return 0;
 415 }
 416
 417 /*
 418  * This function sets WEP key(s) to key parameter TLV(s).
 419  *
 420  * Multi-key parameter TLVs are supported, so we can send multiple
 421  * WEP keys in a single buffer.
 422  */
 423 static int
 424 mwifiex_set_keyparamset_wep(struct mwifiex_private *priv,
 425                             struct mwifiex_ie_type_key_param_set *key_param_set,
 426                             u16 *key_param_len)
 427 {
 428         int cur_key_param_len;
 429         u8 i;
 430
 431         /* Multi-key_param_set TLV is supported */
 432         for (i = 0; i < NUM_WEP_KEYS; i++) {
 433                 if ((priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP40) ||
 434                     (priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP104)) {
 435                         key_param_set->type =
 436                                 cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 437 /* Key_param_set WEP fixed length */
 438 #define KEYPARAMSET_WEP_FIXED_LEN 8
 439                         key_param_set->length = cpu_to_le16((u16)
 440                                         (priv->wep_key[i].
 441                                          key_length +
 442                                          KEYPARAMSET_WEP_FIXED_LEN));
 443                         key_param_set->key_type_id =
 444                                 cpu_to_le16(KEY_TYPE_ID_WEP);
 445                         key_param_set->key_info =
 446                                 cpu_to_le16(KEY_ENABLED | KEY_UNICAST |
 447                                             KEY_MCAST);
 448                         key_param_set->key_len =
 449                                 cpu_to_le16(priv->wep_key[i].key_length);
 450                         /* Set WEP key index */
 451                         key_param_set->key[0] = i;
 452                         /* Set default Tx key flag */
 453                         if (i ==
 454                             (priv->
 455                              wep_key_curr_index & HostCmd_WEP_KEY_INDEX_MASK))
 456                                 key_param_set->key[1] = 1;
 457                         else
 458                                 key_param_set->key[1] = 0;
 459                         memmove(&key_param_set->key[2],
 460                                 priv->wep_key[i].key_material,
 461                                 priv->wep_key[i].key_length);
 462
 463                         cur_key_param_len = priv->wep_key[i].key_length +
 464                                 KEYPARAMSET_WEP_FIXED_LEN +
 465                                 sizeof(struct mwifiex_ie_types_header);
 466                         *key_param_len += (u16) cur_key_param_len;
 467                         key_param_set =
 468                                 (struct mwifiex_ie_type_key_param_set *)
 469                                                 ((u8 *)key_param_set +
 470                                                  cur_key_param_len);
 471                 } else if (!priv->wep_key[i].key_length) {
 472                         continue;
 473                 } else {
 474                         dev_err(priv->adapter->dev,
 475                                 "key%d Length = %d is incorrect\n",
 476                                (i + 1), priv->wep_key[i].key_length);
 477                         return -1;
 478                 }
 479         }
 480
 481         return 0;
 482 }
 483
 484 /*
 485  * This function prepares command to set/get/reset network key(s).
 486  *
 487  * Preparation includes -
 488  *      - Setting command ID, action and proper size
 489  *      - Setting WEP keys, WAPI keys or WPA keys along with required
 490  *        encryption (TKIP, AES) (as required)
 491  *      - Ensuring correct endian-ness
 492  */
 493 static int
 494 mwifiex_cmd_802_11_key_material(struct mwifiex_private *priv,
 495                                 struct host_cmd_ds_command *cmd,
 496                                 u16 cmd_action, u32 cmd_oid,
 497                                 struct mwifiex_ds_encrypt_key *enc_key)
 498 {
 499         struct host_cmd_ds_802_11_key_material *key_material =
 500                 &cmd->params.key_material;
 501         struct host_cmd_tlv_mac_addr *tlv_mac;
 502         u16 key_param_len = 0, cmd_size;
 503         int ret = 0;
 504         const u8 bc_mac[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 505
 506         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_KEY_MATERIAL);
 507         key_material->action = cpu_to_le16(cmd_action);
 508
 509         if (cmd_action == HostCmd_ACT_GEN_GET) {
 510                 cmd->size =
 511                         cpu_to_le16(sizeof(key_material->action) + S_DS_GEN);
 512                 return ret;
 513         }
 514
 515         if (!enc_key) {
 516                 memset(&key_material->key_param_set, 0,
 517                        (NUM_WEP_KEYS *
 518                         sizeof(struct mwifiex_ie_type_key_param_set)));
 519                 ret = mwifiex_set_keyparamset_wep(priv,
 520                                                   &key_material->key_param_set,
 521                                                   &key_param_len);
 522                 cmd->size = cpu_to_le16(key_param_len +
 523                                     sizeof(key_material->action) + S_DS_GEN);
 524                 return ret;
 525         } else
 526                 memset(&key_material->key_param_set, 0,
 527                        sizeof(struct mwifiex_ie_type_key_param_set));
 528         if (enc_key->is_wapi_key) {
 529                 dev_dbg(priv->adapter->dev, "info: Set WAPI Key\n");
 530                 key_material->key_param_set.key_type_id =
 531                                                 cpu_to_le16(KEY_TYPE_ID_WAPI);
 532                 if (cmd_oid == KEY_INFO_ENABLED)
 533                         key_material->key_param_set.key_info =
 534                                                 cpu_to_le16(KEY_ENABLED);
 535                 else
 536                         key_material->key_param_set.key_info =
 537                                                 cpu_to_le16(!KEY_ENABLED);
 538
 539                 key_material->key_param_set.key[0] = enc_key->key_index;
 540                 if (!priv->sec_info.wapi_key_on)
 541                         key_material->key_param_set.key[1] = 1;
 542                 else
 543                         /* set 0 when re-key */
 544                         key_material->key_param_set.key[1] = 0;
 545
 546                 if (0 != memcmp(enc_key->mac_addr, bc_mac, sizeof(bc_mac))) {
 547                         /* WAPI pairwise key: unicast */
 548                         key_material->key_param_set.key_info |=
 549                                 cpu_to_le16(KEY_UNICAST);
 550                 } else {        /* WAPI group key: multicast */
 551                         key_material->key_param_set.key_info |=
 552                                 cpu_to_le16(KEY_MCAST);
 553                         priv->sec_info.wapi_key_on = true;
 554                 }
 555
 556                 key_material->key_param_set.type =
 557                                         cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 558                 key_material->key_param_set.key_len =
 559                                                 cpu_to_le16(WAPI_KEY_LEN);
 560                 memcpy(&key_material->key_param_set.key[2],
 561                        enc_key->key_material, enc_key->key_len);
 562                 memcpy(&key_material->key_param_set.key[2 + enc_key->key_len],
 563                        enc_key->wapi_rxpn, WAPI_RXPN_LEN);
 564                 key_material->key_param_set.length =
 565                         cpu_to_le16(WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN);
 566
 567                 key_param_len = (WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN) +
 568                                  sizeof(struct mwifiex_ie_types_header);
 569                 cmd->size = cpu_to_le16(sizeof(key_material->action)
 570                                         + S_DS_GEN +  key_param_len);
 571                 return ret;
 572         }
 573         if (enc_key->key_len == WLAN_KEY_LEN_CCMP) {
 574                 dev_dbg(priv->adapter->dev, "cmd: WPA_AES\n");
 575                 key_material->key_param_set.key_type_id =
 576                                                 cpu_to_le16(KEY_TYPE_ID_AES);
 577                 if (cmd_oid == KEY_INFO_ENABLED)
 578                         key_material->key_param_set.key_info =
 579                                                 cpu_to_le16(KEY_ENABLED);
 580                 else
 581                         key_material->key_param_set.key_info =
 582                                                 cpu_to_le16(!KEY_ENABLED);
 583
 584                 if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
 585                                 /* AES pairwise key: unicast */
 586                         key_material->key_param_set.key_info |=
 587                                                 cpu_to_le16(KEY_UNICAST);
 588                 else            /* AES group key: multicast */
 589                         key_material->key_param_set.key_info |=
 590                                                         cpu_to_le16(KEY_MCAST);
 591         } else if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
 592                 dev_dbg(priv->adapter->dev, "cmd: WPA_TKIP\n");
 593                 key_material->key_param_set.key_type_id =
 594                                                 cpu_to_le16(KEY_TYPE_ID_TKIP);
 595                 key_material->key_param_set.key_info =
 596                                                 cpu_to_le16(KEY_ENABLED);
 597
 598                 if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
 599                                 /* TKIP pairwise key: unicast */
 600                         key_material->key_param_set.key_info |=
 601                                                 cpu_to_le16(KEY_UNICAST);
 602                 else            /* TKIP group key: multicast */
 603                         key_material->key_param_set.key_info |=
 604                                                         cpu_to_le16(KEY_MCAST);
 605         }
 606
 607         if (key_material->key_param_set.key_type_id) {
 608                 key_material->key_param_set.type =
 609                                         cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 610                 key_material->key_param_set.key_len =
 611                                         cpu_to_le16((u16) enc_key->key_len);
 612                 memcpy(key_material->key_param_set.key, enc_key->key_material,
 613                        enc_key->key_len);
 614                 key_material->key_param_set.length =
 615                         cpu_to_le16((u16) enc_key->key_len +
 616                                     KEYPARAMSET_FIXED_LEN);
 617
 618                 key_param_len = (u16)(enc_key->key_len + KEYPARAMSET_FIXED_LEN)
 619                                 + sizeof(struct mwifiex_ie_types_header);
 620
 621                 cmd->size = cpu_to_le16(sizeof(key_material->action) + S_DS_GEN
 622                                         + key_param_len);
 623
 624                 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
 625                         tlv_mac = (void *)((u8 *)&key_material->key_param_set +
 626                                            key_param_len);
 627                         tlv_mac->tlv.type = cpu_to_le16(TLV_TYPE_STA_MAC_ADDR);
 628                         tlv_mac->tlv.len = cpu_to_le16(ETH_ALEN);
 629                         memcpy(tlv_mac->mac_addr, enc_key->mac_addr, ETH_ALEN);
 630                         cmd_size = key_param_len + S_DS_GEN +
 631                                    sizeof(key_material->action) +
 632                                    sizeof(struct host_cmd_tlv_mac_addr);
 633                 } else {
 634                         cmd_size = key_param_len + S_DS_GEN +
 635                                    sizeof(key_material->action);
 636                 }
 637                 cmd->size = cpu_to_le16(cmd_size);
 638         }
 639
 640         return ret;
 641 }
 642
 643 /*
 644  * This function prepares command to set/get 11d domain information.
 645  *
 646  * Preparation includes -
 647  *      - Setting command ID, action and proper size
 648  *      - Setting domain information fields (for SET only)
 649  *      - Ensuring correct endian-ness
 650  */
 651 static int mwifiex_cmd_802_11d_domain_info(struct mwifiex_private *priv,
 652                                            struct host_cmd_ds_command *cmd,
 653                                            u16 cmd_action)
 654 {
 655         struct mwifiex_adapter *adapter = priv->adapter;
 656         struct host_cmd_ds_802_11d_domain_info *domain_info =
 657                 &cmd->params.domain_info;
 658         struct mwifiex_ietypes_domain_param_set *domain =
 659                 &domain_info->domain;
 660         u8 no_of_triplet = adapter->domain_reg.no_of_triplet;
 661
 662         dev_dbg(adapter->dev, "info: 11D: no_of_triplet=0x%x\n", no_of_triplet);
 663
 664         cmd->command = cpu_to_le16(HostCmd_CMD_802_11D_DOMAIN_INFO);
 665         domain_info->action = cpu_to_le16(cmd_action);
 666         if (cmd_action == HostCmd_ACT_GEN_GET) {
 667                 cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
 668                 return 0;
 669         }
 670
 671         /* Set domain info fields */
 672         domain->header.type = cpu_to_le16(WLAN_EID_COUNTRY);
 673         memcpy(domain->country_code, adapter->domain_reg.country_code,
 674                sizeof(domain->country_code));
 675
 676         domain->header.len =
 677                 cpu_to_le16((no_of_triplet *
 678                              sizeof(struct ieee80211_country_ie_triplet))
 679                             + sizeof(domain->country_code));
 680
 681         if (no_of_triplet) {
 682                 memcpy(domain->triplet, adapter->domain_reg.triplet,
 683                        no_of_triplet * sizeof(struct
 684                                               ieee80211_country_ie_triplet));
 685
 686                 cmd->size = cpu_to_le16(sizeof(domain_info->action) +
 687                                         le16_to_cpu(domain->header.len) +
 688                                         sizeof(struct mwifiex_ie_types_header)
 689                                         + S_DS_GEN);
 690         } else {
 691                 cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
 692         }
 693
 694         return 0;
 695 }
 696
 697 /*
 698  * This function prepares command to set/get RF channel.
 699  *
 700  * Preparation includes -
 701  *      - Setting command ID, action and proper size
 702  *      - Setting RF type and current RF channel (for SET only)
 703  *      - Ensuring correct endian-ness
 704  */
 705 static int mwifiex_cmd_802_11_rf_channel(struct mwifiex_private *priv,
 706                                          struct host_cmd_ds_command *cmd,
 707                                          u16 cmd_action, u16 *channel)
 708 {
 709         struct host_cmd_ds_802_11_rf_channel *rf_chan =
 710                 &cmd->params.rf_channel;
 711         uint16_t rf_type = le16_to_cpu(rf_chan->rf_type);
 712
 713         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_RF_CHANNEL);
 714         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rf_channel)
 715                                 + S_DS_GEN);
 716
 717         if (cmd_action == HostCmd_ACT_GEN_SET) {
 718                 if ((priv->adapter->adhoc_start_band & BAND_A) ||
 719                     (priv->adapter->adhoc_start_band & BAND_AN))
 720                         rf_chan->rf_type =
 721                                 cpu_to_le16(HostCmd_SCAN_RADIO_TYPE_A);
 722
 723                 rf_type = le16_to_cpu(rf_chan->rf_type);
 724                 SET_SECONDARYCHAN(rf_type, priv->adapter->sec_chan_offset);
 725                 rf_chan->current_channel = cpu_to_le16(*channel);
 726         }
 727         rf_chan->action = cpu_to_le16(cmd_action);
 728         return 0;
 729 }
 730
 731 /*
 732  * This function prepares command to set/get IBSS coalescing status.
 733  *
 734  * Preparation includes -
 735  *      - Setting command ID, action and proper size
 736  *      - Setting status to enable or disable (for SET only)
 737  *      - Ensuring correct endian-ness
 738  */
 739 static int mwifiex_cmd_ibss_coalescing_status(struct host_cmd_ds_command *cmd,
 740                                               u16 cmd_action, u16 *enable)
 741 {
 742         struct host_cmd_ds_802_11_ibss_status *ibss_coal =
 743                 &(cmd->params.ibss_coalescing);
 744
 745         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_IBSS_COALESCING_STATUS);
 746         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_ibss_status) +
 747                                 S_DS_GEN);
 748         cmd->result = 0;
 749         ibss_coal->action = cpu_to_le16(cmd_action);
 750
 751         switch (cmd_action) {
 752         case HostCmd_ACT_GEN_SET:
 753                 if (enable)
 754                         ibss_coal->enable = cpu_to_le16(*enable);
 755                 else
 756                         ibss_coal->enable = 0;
 757                 break;
 758
 759                 /* In other case.. Nothing to do */
 760         case HostCmd_ACT_GEN_GET:
 761         default:
 762                 break;
 763         }
 764
 765         return 0;
 766 }
 767
 768 /*
 769  * This function prepares command to set/get register value.
 770  *
 771  * Preparation includes -
 772  *      - Setting command ID, action and proper size
 773  *      - Setting register offset (for both GET and SET) and
 774  *        register value (for SET only)
 775  *      - Ensuring correct endian-ness
 776  *
 777  * The following type of registers can be accessed with this function -
 778  *      - MAC register
 779  *      - BBP register
 780  *      - RF register
 781  *      - PMIC register
 782  *      - CAU register
 783  *      - EEPROM
 784  */
 785 static int mwifiex_cmd_reg_access(struct host_cmd_ds_command *cmd,
 786                                   u16 cmd_action, void *data_buf)
 787 {
 788         struct mwifiex_ds_reg_rw *reg_rw = data_buf;
 789
 790         switch (le16_to_cpu(cmd->command)) {
 791         case HostCmd_CMD_MAC_REG_ACCESS:
 792         {
 793                 struct host_cmd_ds_mac_reg_access *mac_reg;
 794
 795                 cmd->size = cpu_to_le16(sizeof(*mac_reg) + S_DS_GEN);
 796                 mac_reg = (struct host_cmd_ds_mac_reg_access *) &cmd->
 797                                                                 params.mac_reg;
 798                 mac_reg->action = cpu_to_le16(cmd_action);
 799                 mac_reg->offset =
 800                         cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 801                 mac_reg->value = reg_rw->value;
 802                 break;
 803         }
 804         case HostCmd_CMD_BBP_REG_ACCESS:
 805         {
 806                 struct host_cmd_ds_bbp_reg_access *bbp_reg;
 807
 808                 cmd->size = cpu_to_le16(sizeof(*bbp_reg) + S_DS_GEN);
 809                 bbp_reg = (struct host_cmd_ds_bbp_reg_access *)
 810                                                         &cmd->params.bbp_reg;
 811                 bbp_reg->action = cpu_to_le16(cmd_action);
 812                 bbp_reg->offset =
 813                         cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 814                 bbp_reg->value = (u8) le32_to_cpu(reg_rw->value);
 815                 break;
 816         }
 817         case HostCmd_CMD_RF_REG_ACCESS:
 818         {
 819                 struct host_cmd_ds_rf_reg_access *rf_reg;
 820
 821                 cmd->size = cpu_to_le16(sizeof(*rf_reg) + S_DS_GEN);
 822                 rf_reg = (struct host_cmd_ds_rf_reg_access *)
 823                                                         &cmd->params.rf_reg;
 824                 rf_reg->action = cpu_to_le16(cmd_action);
 825                 rf_reg->offset = cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 826                 rf_reg->value = (u8) le32_to_cpu(reg_rw->value);
 827                 break;
 828         }
 829         case HostCmd_CMD_PMIC_REG_ACCESS:
 830         {
 831                 struct host_cmd_ds_pmic_reg_access *pmic_reg;
 832
 833                 cmd->size = cpu_to_le16(sizeof(*pmic_reg) + S_DS_GEN);
 834                 pmic_reg = (struct host_cmd_ds_pmic_reg_access *) &cmd->
 835                                 params.pmic_reg;
 836                 pmic_reg->action = cpu_to_le16(cmd_action);
 837                 pmic_reg->offset =
 838                                 cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 839                 pmic_reg->value = (u8) le32_to_cpu(reg_rw->value);
 840                 break;
 841         }
 842         case HostCmd_CMD_CAU_REG_ACCESS:
 843         {
 844                 struct host_cmd_ds_rf_reg_access *cau_reg;
 845
 846                 cmd->size = cpu_to_le16(sizeof(*cau_reg) + S_DS_GEN);
 847                 cau_reg = (struct host_cmd_ds_rf_reg_access *)
 848                                                         &cmd->params.rf_reg;
 849                 cau_reg->action = cpu_to_le16(cmd_action);
 850                 cau_reg->offset =
 851                                 cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 852                 cau_reg->value = (u8) le32_to_cpu(reg_rw->value);
 853                 break;
 854         }
 855         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 856         {
 857                 struct mwifiex_ds_read_eeprom *rd_eeprom = data_buf;
 858                 struct host_cmd_ds_802_11_eeprom_access *cmd_eeprom =
 859                         (struct host_cmd_ds_802_11_eeprom_access *)
 860                         &cmd->params.eeprom;
 861
 862                 cmd->size = cpu_to_le16(sizeof(*cmd_eeprom) + S_DS_GEN);
 863                 cmd_eeprom->action = cpu_to_le16(cmd_action);
 864                 cmd_eeprom->offset = rd_eeprom->offset;
 865                 cmd_eeprom->byte_count = rd_eeprom->byte_count;
 866                 cmd_eeprom->value = 0;
 867                 break;
 868         }
 869         default:
 870                 return -1;
 871         }
 872
 873         return 0;
 874 }
 875
 876 /*
 877  * This function prepares command to set PCI-Express
 878  * host buffer configuration
 879  *
 880  * Preparation includes -
 881  *      - Setting command ID, action and proper size
 882  *      - Setting host buffer configuration
 883  *      - Ensuring correct endian-ness
 884  */
 885 static int
 886 mwifiex_cmd_pcie_host_spec(struct mwifiex_private *priv,
 887                            struct host_cmd_ds_command *cmd, u16 action)
 888 {
 889         struct host_cmd_ds_pcie_details *host_spec =
 890                                         &cmd->params.pcie_host_spec;
 891         struct pcie_service_card *card = priv->adapter->card;
 892         phys_addr_t *buf_pa;
 893
 894         cmd->command = cpu_to_le16(HostCmd_CMD_PCIE_DESC_DETAILS);
 895         cmd->size = cpu_to_le16(sizeof(struct
 896                                         host_cmd_ds_pcie_details) + S_DS_GEN);
 897         cmd->result = 0;
 898
 899         memset(host_spec, 0, sizeof(struct host_cmd_ds_pcie_details));
 900
 901         if (action != HostCmd_ACT_GEN_SET)
 902                 return 0;
 903
 904         /* Send the ring base addresses and count to firmware */
 905         host_spec->txbd_addr_lo = (u32)(card->txbd_ring_pbase);
 906         host_spec->txbd_addr_hi = (u32)(((u64)card->txbd_ring_pbase)>>32);
 907         host_spec->txbd_count = MWIFIEX_MAX_TXRX_BD;
 908         host_spec->rxbd_addr_lo = (u32)(card->rxbd_ring_pbase);
 909         host_spec->rxbd_addr_hi = (u32)(((u64)card->rxbd_ring_pbase)>>32);
 910         host_spec->rxbd_count = MWIFIEX_MAX_TXRX_BD;
 911         host_spec->evtbd_addr_lo = (u32)(card->evtbd_ring_pbase);
 912         host_spec->evtbd_addr_hi = (u32)(((u64)card->evtbd_ring_pbase)>>32);
 913         host_spec->evtbd_count = MWIFIEX_MAX_EVT_BD;
 914         if (card->sleep_cookie) {
 915                 buf_pa = MWIFIEX_SKB_PACB(card->sleep_cookie);
 916                 host_spec->sleep_cookie_addr_lo = (u32) *buf_pa;
 917                 host_spec->sleep_cookie_addr_hi = (u32) (((u64)*buf_pa) >> 32);
 918                 dev_dbg(priv->adapter->dev, "sleep_cook_lo phy addr: 0x%x\n",
 919                         host_spec->sleep_cookie_addr_lo);
 920         }
 921
 922         return 0;
 923 }
 924
 925 /*
 926  * This function prepares command for event subscription, configuration
 927  * and query. Events can be subscribed or unsubscribed. Current subscribed
 928  * events can be queried. Also, current subscribed events are reported in
 929  * every FW response.
 930  */
 931 static int
 932 mwifiex_cmd_802_11_subsc_evt(struct mwifiex_private *priv,
 933                              struct host_cmd_ds_command *cmd,
 934                              struct mwifiex_ds_misc_subsc_evt *subsc_evt_cfg)
 935 {
 936         struct host_cmd_ds_802_11_subsc_evt *subsc_evt = &cmd->params.subsc_evt;
 937         struct mwifiex_ie_types_rssi_threshold *rssi_tlv;
 938         u16 event_bitmap;
 939         u8 *pos;
 940
 941         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SUBSCRIBE_EVENT);
 942         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_subsc_evt) +
 943                                 S_DS_GEN);
 944
 945         subsc_evt->action = cpu_to_le16(subsc_evt_cfg->action);
 946         dev_dbg(priv->adapter->dev, "cmd: action: %d\n", subsc_evt_cfg->action);
 947
 948         /*For query requests, no configuration TLV structures are to be added.*/
 949         if (subsc_evt_cfg->action == HostCmd_ACT_GEN_GET)
 950                 return 0;
 951
 952         subsc_evt->events = cpu_to_le16(subsc_evt_cfg->events);
 953
 954         event_bitmap = subsc_evt_cfg->events;
 955         dev_dbg(priv->adapter->dev, "cmd: event bitmap : %16x\n",
 956                 event_bitmap);
 957
 958         if (((subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR) ||
 959              (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_SET)) &&
 960             (event_bitmap == 0)) {
 961                 dev_dbg(priv->adapter->dev, "Error: No event specified "
 962                         "for bitwise action type\n");
 963                 return -EINVAL;
 964         }
 965
 966         /*
 967          * Append TLV structures for each of the specified events for
 968          * subscribing or re-configuring. This is not required for
 969          * bitwise unsubscribing request.
 970          */
 971         if (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR)
 972                 return 0;
 973
 974         pos = ((u8 *)subsc_evt) +
 975                         sizeof(struct host_cmd_ds_802_11_subsc_evt);
 976
 977         if (event_bitmap & BITMASK_BCN_RSSI_LOW) {
 978                 rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
 979
 980                 rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_LOW);
 981                 rssi_tlv->header.len =
 982                     cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
 983                                 sizeof(struct mwifiex_ie_types_header));
 984                 rssi_tlv->abs_value = subsc_evt_cfg->bcn_l_rssi_cfg.abs_value;
 985                 rssi_tlv->evt_freq = subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq;
 986
 987                 dev_dbg(priv->adapter->dev, "Cfg Beacon Low Rssi event, "
 988                         "RSSI:-%d dBm, Freq:%d\n",
 989                         subsc_evt_cfg->bcn_l_rssi_cfg.abs_value,
 990                         subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq);
 991
 992                 pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
 993                 le16_add_cpu(&cmd->size,
 994                              sizeof(struct mwifiex_ie_types_rssi_threshold));
 995         }
 996
 997         if (event_bitmap & BITMASK_BCN_RSSI_HIGH) {
 998                 rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
 999
1000                 rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_HIGH);
1001                 rssi_tlv->header.len =
1002                     cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
1003                                 sizeof(struct mwifiex_ie_types_header));
1004                 rssi_tlv->abs_value = subsc_evt_cfg->bcn_h_rssi_cfg.abs_value;
1005                 rssi_tlv->evt_freq = subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq;
1006
1007                 dev_dbg(priv->adapter->dev, "Cfg Beacon High Rssi event, "
1008                         "RSSI:-%d dBm, Freq:%d\n",
1009                         subsc_evt_cfg->bcn_h_rssi_cfg.abs_value,
1010                         subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq);
1011
1012                 pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
1013                 le16_add_cpu(&cmd->size,
1014                              sizeof(struct mwifiex_ie_types_rssi_threshold));
1015         }
1016
1017         return 0;
1018 }
1019
1020 /*
1021  * This function prepares the commands before sending them to the firmware.
1022  *
1023  * This is a generic function which calls specific command preparation
1024  * routines based upon the command number.
1025  */
1026 int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
1027                             u16 cmd_action, u32 cmd_oid,
1028                             void *data_buf, void *cmd_buf)
1029 {
1030         struct host_cmd_ds_command *cmd_ptr = cmd_buf;
1031         int ret = 0;
1032
1033         /* Prepare command */
1034         switch (cmd_no) {
1035         case HostCmd_CMD_GET_HW_SPEC:
1036                 ret = mwifiex_cmd_get_hw_spec(priv, cmd_ptr);
1037                 break;
1038         case HostCmd_CMD_MAC_CONTROL:
1039                 ret = mwifiex_cmd_mac_control(priv, cmd_ptr, cmd_action,
1040                                               data_buf);
1041                 break;
1042         case HostCmd_CMD_802_11_MAC_ADDRESS:
1043                 ret = mwifiex_cmd_802_11_mac_address(priv, cmd_ptr,
1044                                                      cmd_action);
1045                 break;
1046         case HostCmd_CMD_MAC_MULTICAST_ADR:
1047                 ret = mwifiex_cmd_mac_multicast_adr(cmd_ptr, cmd_action,
1048                                                     data_buf);
1049                 break;
1050         case HostCmd_CMD_TX_RATE_CFG:
1051                 ret = mwifiex_cmd_tx_rate_cfg(priv, cmd_ptr, cmd_action,
1052                                               data_buf);
1053                 break;
1054         case HostCmd_CMD_TXPWR_CFG:
1055                 ret = mwifiex_cmd_tx_power_cfg(cmd_ptr, cmd_action,
1056                                                data_buf);
1057                 break;
1058         case HostCmd_CMD_802_11_PS_MODE_ENH:
1059                 ret = mwifiex_cmd_enh_power_mode(priv, cmd_ptr, cmd_action,
1060                                                  (uint16_t)cmd_oid, data_buf);
1061                 break;
1062         case HostCmd_CMD_802_11_HS_CFG_ENH:
1063                 ret = mwifiex_cmd_802_11_hs_cfg(priv, cmd_ptr, cmd_action,
1064                                 (struct mwifiex_hs_config_param *) data_buf);
1065                 break;
1066         case HostCmd_CMD_802_11_SCAN:
1067                 ret = mwifiex_cmd_802_11_scan(cmd_ptr, data_buf);
1068                 break;
1069         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
1070                 ret = mwifiex_cmd_802_11_bg_scan_query(cmd_ptr);
1071                 break;
1072         case HostCmd_CMD_802_11_ASSOCIATE:
1073                 ret = mwifiex_cmd_802_11_associate(priv, cmd_ptr, data_buf);
1074                 break;
1075         case HostCmd_CMD_802_11_DEAUTHENTICATE:
1076                 ret = mwifiex_cmd_802_11_deauthenticate(priv, cmd_ptr,
1077                                                         data_buf);
1078                 break;
1079         case HostCmd_CMD_802_11_AD_HOC_START:
1080                 ret = mwifiex_cmd_802_11_ad_hoc_start(priv, cmd_ptr,
1081                                                       data_buf);
1082                 break;
1083         case HostCmd_CMD_802_11_GET_LOG:
1084                 ret = mwifiex_cmd_802_11_get_log(cmd_ptr);
1085                 break;
1086         case HostCmd_CMD_802_11_AD_HOC_JOIN:
1087                 ret = mwifiex_cmd_802_11_ad_hoc_join(priv, cmd_ptr,
1088                                                      data_buf);
1089                 break;
1090         case HostCmd_CMD_802_11_AD_HOC_STOP:
1091                 ret = mwifiex_cmd_802_11_ad_hoc_stop(cmd_ptr);
1092                 break;
1093         case HostCmd_CMD_RSSI_INFO:
1094                 ret = mwifiex_cmd_802_11_rssi_info(priv, cmd_ptr, cmd_action);
1095                 break;
1096         case HostCmd_CMD_802_11_SNMP_MIB:
1097                 ret = mwifiex_cmd_802_11_snmp_mib(priv, cmd_ptr, cmd_action,
1098                                                   cmd_oid, data_buf);
1099                 break;
1100         case HostCmd_CMD_802_11_TX_RATE_QUERY:
1101                 cmd_ptr->command =
1102                         cpu_to_le16(HostCmd_CMD_802_11_TX_RATE_QUERY);
1103                 cmd_ptr->size =
1104                         cpu_to_le16(sizeof(struct host_cmd_ds_tx_rate_query) +
1105                                     S_DS_GEN);
1106                 priv->tx_rate = 0;
1107                 ret = 0;
1108                 break;
1109         case HostCmd_CMD_VERSION_EXT:
1110                 cmd_ptr->command = cpu_to_le16(cmd_no);
1111                 cmd_ptr->params.verext.version_str_sel =
1112                         (u8) (*((u32 *) data_buf));
1113                 memcpy(&cmd_ptr->params, data_buf,
1114                        sizeof(struct host_cmd_ds_version_ext));
1115                 cmd_ptr->size =
1116                         cpu_to_le16(sizeof(struct host_cmd_ds_version_ext) +
1117                                     S_DS_GEN);
1118                 ret = 0;
1119                 break;
1120         case HostCmd_CMD_802_11_RF_CHANNEL:
1121                 ret = mwifiex_cmd_802_11_rf_channel(priv, cmd_ptr, cmd_action,
1122                                                     data_buf);
1123                 break;
1124         case HostCmd_CMD_FUNC_INIT:
1125                 if (priv->adapter->hw_status == MWIFIEX_HW_STATUS_RESET)
1126                         priv->adapter->hw_status = MWIFIEX_HW_STATUS_READY;
1127                 cmd_ptr->command = cpu_to_le16(cmd_no);
1128                 cmd_ptr->size = cpu_to_le16(S_DS_GEN);
1129                 break;
1130         case HostCmd_CMD_FUNC_SHUTDOWN:
1131                 priv->adapter->hw_status = MWIFIEX_HW_STATUS_RESET;
1132                 cmd_ptr->command = cpu_to_le16(cmd_no);
1133                 cmd_ptr->size = cpu_to_le16(S_DS_GEN);
1134                 break;
1135         case HostCmd_CMD_11N_ADDBA_REQ:
1136                 ret = mwifiex_cmd_11n_addba_req(cmd_ptr, data_buf);
1137                 break;
1138         case HostCmd_CMD_11N_DELBA:
1139                 ret = mwifiex_cmd_11n_delba(cmd_ptr, data_buf);
1140                 break;
1141         case HostCmd_CMD_11N_ADDBA_RSP:
1142                 ret = mwifiex_cmd_11n_addba_rsp_gen(priv, cmd_ptr, data_buf);
1143                 break;
1144         case HostCmd_CMD_802_11_KEY_MATERIAL:
1145                 ret = mwifiex_cmd_802_11_key_material(priv, cmd_ptr,
1146                                                       cmd_action, cmd_oid,
1147                                                       data_buf);
1148                 break;
1149         case HostCmd_CMD_802_11D_DOMAIN_INFO:
1150                 ret = mwifiex_cmd_802_11d_domain_info(priv, cmd_ptr,
1151                                                       cmd_action);
1152                 break;
1153         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
1154                 ret = mwifiex_cmd_recfg_tx_buf(priv, cmd_ptr, cmd_action,
1155                                                data_buf);
1156                 break;
1157         case HostCmd_CMD_AMSDU_AGGR_CTRL:
1158                 ret = mwifiex_cmd_amsdu_aggr_ctrl(cmd_ptr, cmd_action,
1159                                                   data_buf);
1160                 break;
1161         case HostCmd_CMD_11N_CFG:
1162                 ret = mwifiex_cmd_11n_cfg(cmd_ptr, cmd_action, data_buf);
1163                 break;
1164         case HostCmd_CMD_WMM_GET_STATUS:
1165                 dev_dbg(priv->adapter->dev,
1166                         "cmd: WMM: WMM_GET_STATUS cmd sent\n");
1167                 cmd_ptr->command = cpu_to_le16(HostCmd_CMD_WMM_GET_STATUS);
1168                 cmd_ptr->size =
1169                         cpu_to_le16(sizeof(struct host_cmd_ds_wmm_get_status) +
1170                                     S_DS_GEN);
1171                 ret = 0;
1172                 break;
1173         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
1174                 ret = mwifiex_cmd_ibss_coalescing_status(cmd_ptr, cmd_action,
1175                                                          data_buf);
1176                 break;
1177         case HostCmd_CMD_MAC_REG_ACCESS:
1178         case HostCmd_CMD_BBP_REG_ACCESS:
1179         case HostCmd_CMD_RF_REG_ACCESS:
1180         case HostCmd_CMD_PMIC_REG_ACCESS:
1181         case HostCmd_CMD_CAU_REG_ACCESS:
1182         case HostCmd_CMD_802_11_EEPROM_ACCESS:
1183                 ret = mwifiex_cmd_reg_access(cmd_ptr, cmd_action, data_buf);
1184                 break;
1185         case HostCmd_CMD_SET_BSS_MODE:
1186                 cmd_ptr->command = cpu_to_le16(cmd_no);
1187                 if (priv->bss_mode == NL80211_IFTYPE_ADHOC)
1188                         cmd_ptr->params.bss_mode.con_type =
1189                                 CONNECTION_TYPE_ADHOC;
1190                 else if (priv->bss_mode == NL80211_IFTYPE_STATION)
1191                         cmd_ptr->params.bss_mode.con_type =
1192                                 CONNECTION_TYPE_INFRA;
1193                 cmd_ptr->size = cpu_to_le16(sizeof(struct
1194                                 host_cmd_ds_set_bss_mode) + S_DS_GEN);
1195                 ret = 0;
1196                 break;
1197         case HostCmd_CMD_PCIE_DESC_DETAILS:
1198                 ret = mwifiex_cmd_pcie_host_spec(priv, cmd_ptr, cmd_action);
1199                 break;
1200         case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
1201                 ret = mwifiex_cmd_802_11_subsc_evt(priv, cmd_ptr, data_buf);
1202                 break;
1203         default:
1204                 dev_err(priv->adapter->dev,
1205                         "PREP_CMD: unknown cmd- %#x\n", cmd_no);
1206                 ret = -1;
1207                 break;
1208         }
1209         return ret;
1210 }
1211
1212 /*
1213  * This function issues commands to initialize firmware.
1214  *
1215  * This is called after firmware download to bring the card to
1216  * working state.
1217  *
1218  * The following commands are issued sequentially -
1219  *      - Set PCI-Express host buffer configuration (PCIE only)
1220  *      - Function init (for first interface only)
1221  *      - Read MAC address (for first interface only)
1222  *      - Reconfigure Tx buffer size (for first interface only)
1223  *      - Enable auto deep sleep (for first interface only)
1224  *      - Get Tx rate
1225  *      - Get Tx power
1226  *      - Set IBSS coalescing status
1227  *      - Set AMSDU aggregation control
1228  *      - Set 11d control
1229  *      - Set MAC control (this must be the last command to initialize firmware)
1230  */
1231 int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta)
1232 {
1233         int ret;
1234         u16 enable = true;
1235         struct mwifiex_ds_11n_amsdu_aggr_ctrl amsdu_aggr_ctrl;
1236         struct mwifiex_ds_auto_ds auto_ds;
1237         enum state_11d_t state_11d;
1238         struct mwifiex_ds_11n_tx_cfg tx_cfg;
1239
1240         if (first_sta) {
1241                 if (priv->adapter->iface_type == MWIFIEX_PCIE) {
1242                         ret = mwifiex_send_cmd_async(priv,
1243                                                 HostCmd_CMD_PCIE_DESC_DETAILS,
1244                                                 HostCmd_ACT_GEN_SET, 0, NULL);
1245                         if (ret)
1246                                 return -1;
1247                 }
1248
1249                 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_FUNC_INIT,
1250                                              HostCmd_ACT_GEN_SET, 0, NULL);
1251                 if (ret)
1252                         return -1;
1253                 /* Read MAC address from HW */
1254                 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_GET_HW_SPEC,
1255                                              HostCmd_ACT_GEN_GET, 0, NULL);
1256                 if (ret)
1257                         return -1;
1258
1259                 /* Reconfigure tx buf size */
1260                 ret = mwifiex_send_cmd_async(priv,
1261                                              HostCmd_CMD_RECONFIGURE_TX_BUFF,
1262                                              HostCmd_ACT_GEN_SET, 0,
1263                                              &priv->adapter->tx_buf_size);
1264                 if (ret)
1265                         return -1;
1266
1267                 if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
1268                         /* Enable IEEE PS by default */
1269                         priv->adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
1270                         ret = mwifiex_send_cmd_async(
1271                                         priv, HostCmd_CMD_802_11_PS_MODE_ENH,
1272                                         EN_AUTO_PS, BITMAP_STA_PS, NULL);
1273                         if (ret)
1274                                 return -1;
1275                 }
1276         }
1277
1278         /* get tx rate */
1279         ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_TX_RATE_CFG,
1280                                      HostCmd_ACT_GEN_GET, 0, NULL);
1281         if (ret)
1282                 return -1;
1283         priv->data_rate = 0;
1284
1285         /* get tx power */
1286         ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_TXPWR_CFG,
1287                                      HostCmd_ACT_GEN_GET, 0, NULL);
1288         if (ret)
1289                 return -1;
1290
1291         if (priv->bss_type == MWIFIEX_BSS_TYPE_STA) {
1292                 /* set ibss coalescing_status */
1293                 ret = mwifiex_send_cmd_async(
1294                                 priv, HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
1295                                 HostCmd_ACT_GEN_SET, 0, &enable);
1296                 if (ret)
1297                         return -1;
1298         }
1299
1300         memset(&amsdu_aggr_ctrl, 0, sizeof(amsdu_aggr_ctrl));
1301         amsdu_aggr_ctrl.enable = true;
1302         /* Send request to firmware */
1303         ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_AMSDU_AGGR_CTRL,
1304                                      HostCmd_ACT_GEN_SET, 0,
1305                                      &amsdu_aggr_ctrl);
1306         if (ret)
1307                 return -1;
1308         /* MAC Control must be the last command in init_fw */
1309         /* set MAC Control */
1310         ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
1311                                      HostCmd_ACT_GEN_SET, 0,
1312                                      &priv->curr_pkt_filter);
1313         if (ret)
1314                 return -1;
1315
1316         if (first_sta && priv->adapter->iface_type != MWIFIEX_USB &&
1317             priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
1318                 /* Enable auto deep sleep */
1319                 auto_ds.auto_ds = DEEP_SLEEP_ON;
1320                 auto_ds.idle_time = DEEP_SLEEP_IDLE_TIME;
1321                 ret = mwifiex_send_cmd_async(priv,
1322                                              HostCmd_CMD_802_11_PS_MODE_ENH,
1323                                              EN_AUTO_PS, BITMAP_AUTO_DS,
1324                                              &auto_ds);
1325                 if (ret)
1326                         return -1;
1327         }
1328
1329         if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
1330                 /* Send cmd to FW to enable/disable 11D function */
1331                 state_11d = ENABLE_11D;
1332                 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11_SNMP_MIB,
1333                                              HostCmd_ACT_GEN_SET, DOT11D_I,
1334                                              &state_11d);
1335                 if (ret)
1336                         dev_err(priv->adapter->dev,
1337                                 "11D: failed to enable 11D\n");
1338         }
1339
1340         /* Send cmd to FW to configure 11n specific configuration
1341          * (Short GI, Channel BW, Green field support etc.) for transmit
1342          */
1343         tx_cfg.tx_htcap = MWIFIEX_FW_DEF_HTTXCFG;
1344         ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_11N_CFG,
1345                                      HostCmd_ACT_GEN_SET, 0, &tx_cfg);
1346
1347         /* set last_init_cmd */
1348         priv->adapter->last_init_cmd = HostCmd_CMD_11N_CFG;
1349         ret = -EINPROGRESS;
1350
1351         return ret;
1352 }