drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c

   1 /*
   2  * NXP Wireless LAN device driver: station command response handling
   3  *
   4  * Copyright 2011-2020 NXP
   5  *
   6  * This software file (the "File") is distributed by NXP
   7  * 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 /*
  31  * This function handles the command response error case.
  32  *
  33  * For scan response error, the function cancels all the pending
  34  * scan commands and generates an event to inform the applications
  35  * of the scan completion.
  36  *
  37  * For Power Save command failure, we do not retry enter PS
  38  * command in case of Ad-hoc mode.
  39  *
  40  * For all other response errors, the current command buffer is freed
  41  * and returned to the free command queue.
  42  */
  43 static void
  44 mwifiex_process_cmdresp_error(struct mwifiex_private *priv,
  45                               struct host_cmd_ds_command *resp)
  46 {
  47         struct mwifiex_adapter *adapter = priv->adapter;
  48         struct host_cmd_ds_802_11_ps_mode_enh *pm;
  49
  50         mwifiex_dbg(adapter, ERROR,
  51                     "CMD_RESP: cmd %#x error, result=%#x\n",
  52                     resp->command, resp->result);
  53
  54         if (adapter->curr_cmd->wait_q_enabled)
  55                 adapter->cmd_wait_q.status = -1;
  56
  57         switch (le16_to_cpu(resp->command)) {
  58         case HostCmd_CMD_802_11_PS_MODE_ENH:
  59                 pm = &resp->params.psmode_enh;
  60                 mwifiex_dbg(adapter, ERROR,
  61                             "PS_MODE_ENH cmd failed: result=0x%x action=0x%X\n",
  62                             resp->result, le16_to_cpu(pm->action));
  63                 /* We do not re-try enter-ps command in ad-hoc mode. */
  64                 if (le16_to_cpu(pm->action) == EN_AUTO_PS &&
  65                     (le16_to_cpu(pm->params.ps_bitmap) & BITMAP_STA_PS) &&
  66                     priv->bss_mode == NL80211_IFTYPE_ADHOC)
  67                         adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
  68
  69                 break;
  70         case HostCmd_CMD_802_11_SCAN:
  71         case HostCmd_CMD_802_11_SCAN_EXT:
  72                 mwifiex_cancel_scan(adapter);
  73                 break;
  74
  75         case HostCmd_CMD_MAC_CONTROL:
  76                 break;
  77
  78         case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
  79                 mwifiex_dbg(adapter, MSG,
  80                             "SDIO RX single-port aggregation Not support\n");
  81                 break;
  82
  83         default:
  84                 break;
  85         }
  86         /* Handling errors here */
  87         mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
  88
  89         spin_lock_bh(&adapter->mwifiex_cmd_lock);
  90         adapter->curr_cmd = NULL;
  91         spin_unlock_bh(&adapter->mwifiex_cmd_lock);
  92 }
  93
  94 /*
  95  * This function handles the command response of get RSSI info.
  96  *
  97  * Handling includes changing the header fields into CPU format
  98  * and saving the following parameters in driver -
  99  *      - Last data and beacon RSSI value
 100  *      - Average data and beacon RSSI value
 101  *      - Last data and beacon NF value
 102  *      - Average data and beacon NF value
 103  *
 104  * The parameters are send to the application as well, along with
 105  * calculated SNR values.
 106  */
 107 static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv,
 108                                         struct host_cmd_ds_command *resp)
 109 {
 110         struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
 111                                                 &resp->params.rssi_info_rsp;
 112         struct mwifiex_ds_misc_subsc_evt *subsc_evt =
 113                                                 &priv->async_subsc_evt_storage;
 114
 115         priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
 116         priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
 117
 118         priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg);
 119         priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg);
 120
 121         priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last);
 122         priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last);
 123
 124         priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
 125         priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
 126
 127         if (priv->subsc_evt_rssi_state == EVENT_HANDLED)
 128                 return 0;
 129
 130         memset(subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
 131
 132         /* Resubscribe low and high rssi events with new thresholds */
 133         subsc_evt->events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
 134         subsc_evt->action = HostCmd_ACT_BITWISE_SET;
 135         if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) {
 136                 subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg -
 137                                 priv->cqm_rssi_hyst);
 138                 subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
 139         } else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) {
 140                 subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
 141                 subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg +
 142                                 priv->cqm_rssi_hyst);
 143         }
 144         subsc_evt->bcn_l_rssi_cfg.evt_freq = 1;
 145         subsc_evt->bcn_h_rssi_cfg.evt_freq = 1;
 146
 147         priv->subsc_evt_rssi_state = EVENT_HANDLED;
 148
 149         mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
 150                          0, 0, subsc_evt, false);
 151
 152         return 0;
 153 }
 154
 155 /*
 156  * This function handles the command response of set/get SNMP
 157  * MIB parameters.
 158  *
 159  * Handling includes changing the header fields into CPU format
 160  * and saving the parameter in driver.
 161  *
 162  * The following parameters are supported -
 163  *      - Fragmentation threshold
 164  *      - RTS threshold
 165  *      - Short retry limit
 166  */
 167 static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
 168                                        struct host_cmd_ds_command *resp,
 169                                        u32 *data_buf)
 170 {
 171         struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
 172         u16 oid = le16_to_cpu(smib->oid);
 173         u16 query_type = le16_to_cpu(smib->query_type);
 174         u32 ul_temp;
 175
 176         mwifiex_dbg(priv->adapter, INFO,
 177                     "info: SNMP_RESP: oid value = %#x,\t"
 178                     "query_type = %#x, buf size = %#x\n",
 179                     oid, query_type, le16_to_cpu(smib->buf_size));
 180         if (query_type == HostCmd_ACT_GEN_GET) {
 181                 ul_temp = get_unaligned_le16(smib->value);
 182                 if (data_buf)
 183                         *data_buf = ul_temp;
 184                 switch (oid) {
 185                 case FRAG_THRESH_I:
 186                         mwifiex_dbg(priv->adapter, INFO,
 187                                     "info: SNMP_RESP: FragThsd =%u\n",
 188                                     ul_temp);
 189                         break;
 190                 case RTS_THRESH_I:
 191                         mwifiex_dbg(priv->adapter, INFO,
 192                                     "info: SNMP_RESP: RTSThsd =%u\n",
 193                                     ul_temp);
 194                         break;
 195                 case SHORT_RETRY_LIM_I:
 196                         mwifiex_dbg(priv->adapter, INFO,
 197                                     "info: SNMP_RESP: TxRetryCount=%u\n",
 198                                     ul_temp);
 199                         break;
 200                 case DTIM_PERIOD_I:
 201                         mwifiex_dbg(priv->adapter, INFO,
 202                                     "info: SNMP_RESP: DTIM period=%u\n",
 203                                     ul_temp);
 204                 default:
 205                         break;
 206                 }
 207         }
 208
 209         return 0;
 210 }
 211
 212 /*
 213  * This function handles the command response of get log request
 214  *
 215  * Handling includes changing the header fields into CPU format
 216  * and sending the received parameters to application.
 217  */
 218 static int mwifiex_ret_get_log(struct mwifiex_private *priv,
 219                                struct host_cmd_ds_command *resp,
 220                                struct mwifiex_ds_get_stats *stats)
 221 {
 222         struct host_cmd_ds_802_11_get_log *get_log =
 223                 &resp->params.get_log;
 224
 225         if (stats) {
 226                 stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
 227                 stats->failed = le32_to_cpu(get_log->failed);
 228                 stats->retry = le32_to_cpu(get_log->retry);
 229                 stats->multi_retry = le32_to_cpu(get_log->multi_retry);
 230                 stats->frame_dup = le32_to_cpu(get_log->frame_dup);
 231                 stats->rts_success = le32_to_cpu(get_log->rts_success);
 232                 stats->rts_failure = le32_to_cpu(get_log->rts_failure);
 233                 stats->ack_failure = le32_to_cpu(get_log->ack_failure);
 234                 stats->rx_frag = le32_to_cpu(get_log->rx_frag);
 235                 stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
 236                 stats->fcs_error = le32_to_cpu(get_log->fcs_error);
 237                 stats->tx_frame = le32_to_cpu(get_log->tx_frame);
 238                 stats->wep_icv_error[0] =
 239                         le32_to_cpu(get_log->wep_icv_err_cnt[0]);
 240                 stats->wep_icv_error[1] =
 241                         le32_to_cpu(get_log->wep_icv_err_cnt[1]);
 242                 stats->wep_icv_error[2] =
 243                         le32_to_cpu(get_log->wep_icv_err_cnt[2]);
 244                 stats->wep_icv_error[3] =
 245                         le32_to_cpu(get_log->wep_icv_err_cnt[3]);
 246                 stats->bcn_rcv_cnt = le32_to_cpu(get_log->bcn_rcv_cnt);
 247                 stats->bcn_miss_cnt = le32_to_cpu(get_log->bcn_miss_cnt);
 248         }
 249
 250         return 0;
 251 }
 252
 253 /*
 254  * This function handles the command response of set/get Tx rate
 255  * configurations.
 256  *
 257  * Handling includes changing the header fields into CPU format
 258  * and saving the following parameters in driver -
 259  *      - DSSS rate bitmap
 260  *      - OFDM rate bitmap
 261  *      - HT MCS rate bitmaps
 262  *
 263  * Based on the new rate bitmaps, the function re-evaluates if
 264  * auto data rate has been activated. If not, it sends another
 265  * query to the firmware to get the current Tx data rate.
 266  */
 267 static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
 268                                    struct host_cmd_ds_command *resp)
 269 {
 270         struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
 271         struct mwifiex_rate_scope *rate_scope;
 272         struct mwifiex_ie_types_header *head;
 273         u16 tlv, tlv_buf_len, tlv_buf_left;
 274         u8 *tlv_buf;
 275         u32 i;
 276
 277         tlv_buf = ((u8 *)rate_cfg) + sizeof(struct host_cmd_ds_tx_rate_cfg);
 278         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*rate_cfg);
 279
 280         while (tlv_buf_left >= sizeof(*head)) {
 281                 head = (struct mwifiex_ie_types_header *)tlv_buf;
 282                 tlv = le16_to_cpu(head->type);
 283                 tlv_buf_len = le16_to_cpu(head->len);
 284
 285                 if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
 286                         break;
 287
 288                 switch (tlv) {
 289                 case TLV_TYPE_RATE_SCOPE:
 290                         rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
 291                         priv->bitmap_rates[0] =
 292                                 le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
 293                         priv->bitmap_rates[1] =
 294                                 le16_to_cpu(rate_scope->ofdm_rate_bitmap);
 295                         for (i = 0;
 296                              i < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap);
 297                              i++)
 298                                 priv->bitmap_rates[2 + i] =
 299                                         le16_to_cpu(rate_scope->
 300                                                     ht_mcs_rate_bitmap[i]);
 301
 302                         if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
 303                                 for (i = 0; i < ARRAY_SIZE(rate_scope->
 304                                                            vht_mcs_rate_bitmap);
 305                                      i++)
 306                                         priv->bitmap_rates[10 + i] =
 307                                             le16_to_cpu(rate_scope->
 308                                                         vht_mcs_rate_bitmap[i]);
 309                         }
 310                         break;
 311                         /* Add RATE_DROP tlv here */
 312                 }
 313
 314                 tlv_buf += (sizeof(*head) + tlv_buf_len);
 315                 tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
 316         }
 317
 318         priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
 319
 320         if (priv->is_data_rate_auto)
 321                 priv->data_rate = 0;
 322         else
 323                 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
 324                                         HostCmd_ACT_GEN_GET, 0, NULL, false);
 325
 326         return 0;
 327 }
 328
 329 /*
 330  * This function handles the command response of get Tx power level.
 331  *
 332  * Handling includes saving the maximum and minimum Tx power levels
 333  * in driver, as well as sending the values to user.
 334  */
 335 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
 336 {
 337         int length, max_power = -1, min_power = -1;
 338         struct mwifiex_types_power_group *pg_tlv_hdr;
 339         struct mwifiex_power_group *pg;
 340
 341         if (!data_buf)
 342                 return -1;
 343
 344         pg_tlv_hdr = (struct mwifiex_types_power_group *)((u8 *)data_buf);
 345         pg = (struct mwifiex_power_group *)
 346                 ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
 347         length = le16_to_cpu(pg_tlv_hdr->length);
 348
 349         /* At least one structure required to update power */
 350         if (length < sizeof(struct mwifiex_power_group))
 351                 return 0;
 352
 353         max_power = pg->power_max;
 354         min_power = pg->power_min;
 355         length -= sizeof(struct mwifiex_power_group);
 356
 357         while (length >= sizeof(struct mwifiex_power_group)) {
 358                 pg++;
 359                 if (max_power < pg->power_max)
 360                         max_power = pg->power_max;
 361
 362                 if (min_power > pg->power_min)
 363                         min_power = pg->power_min;
 364
 365                 length -= sizeof(struct mwifiex_power_group);
 366         }
 367         priv->min_tx_power_level = (u8) min_power;
 368         priv->max_tx_power_level = (u8) max_power;
 369
 370         return 0;
 371 }
 372
 373 /*
 374  * This function handles the command response of set/get Tx power
 375  * configurations.
 376  *
 377  * Handling includes changing the header fields into CPU format
 378  * and saving the current Tx power level in driver.
 379  */
 380 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
 381                                     struct host_cmd_ds_command *resp)
 382 {
 383         struct mwifiex_adapter *adapter = priv->adapter;
 384         struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
 385         struct mwifiex_types_power_group *pg_tlv_hdr;
 386         struct mwifiex_power_group *pg;
 387         u16 action = le16_to_cpu(txp_cfg->action);
 388         u16 tlv_buf_left;
 389
 390         pg_tlv_hdr = (struct mwifiex_types_power_group *)
 391                 ((u8 *)txp_cfg +
 392                  sizeof(struct host_cmd_ds_txpwr_cfg));
 393
 394         pg = (struct mwifiex_power_group *)
 395                 ((u8 *)pg_tlv_hdr +
 396                  sizeof(struct mwifiex_types_power_group));
 397
 398         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*txp_cfg);
 399         if (tlv_buf_left <
 400                         le16_to_cpu(pg_tlv_hdr->length) + sizeof(*pg_tlv_hdr))
 401                 return 0;
 402
 403         switch (action) {
 404         case HostCmd_ACT_GEN_GET:
 405                 if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
 406                         mwifiex_get_power_level(priv, pg_tlv_hdr);
 407
 408                 priv->tx_power_level = (u16) pg->power_min;
 409                 break;
 410
 411         case HostCmd_ACT_GEN_SET:
 412                 if (!le32_to_cpu(txp_cfg->mode))
 413                         break;
 414
 415                 if (pg->power_max == pg->power_min)
 416                         priv->tx_power_level = (u16) pg->power_min;
 417                 break;
 418         default:
 419                 mwifiex_dbg(adapter, ERROR,
 420                             "CMD_RESP: unknown cmd action %d\n",
 421                             action);
 422                 return 0;
 423         }
 424         mwifiex_dbg(adapter, INFO,
 425                     "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
 426                     priv->tx_power_level, priv->max_tx_power_level,
 427                     priv->min_tx_power_level);
 428
 429         return 0;
 430 }
 431
 432 /*
 433  * This function handles the command response of get RF Tx power.
 434  */
 435 static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv,
 436                                    struct host_cmd_ds_command *resp)
 437 {
 438         struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp;
 439         u16 action = le16_to_cpu(txp->action);
 440
 441         priv->tx_power_level = le16_to_cpu(txp->cur_level);
 442
 443         if (action == HostCmd_ACT_GEN_GET) {
 444                 priv->max_tx_power_level = txp->max_power;
 445                 priv->min_tx_power_level = txp->min_power;
 446         }
 447
 448         mwifiex_dbg(priv->adapter, INFO,
 449                     "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n",
 450                     priv->tx_power_level, priv->max_tx_power_level,
 451                     priv->min_tx_power_level);
 452
 453         return 0;
 454 }
 455
 456 /*
 457  * This function handles the command response of set rf antenna
 458  */
 459 static int mwifiex_ret_rf_antenna(struct mwifiex_private *priv,
 460                                   struct host_cmd_ds_command *resp)
 461 {
 462         struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo;
 463         struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso;
 464         struct mwifiex_adapter *adapter = priv->adapter;
 465
 466         if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
 467                 priv->tx_ant = le16_to_cpu(ant_mimo->tx_ant_mode);
 468                 priv->rx_ant = le16_to_cpu(ant_mimo->rx_ant_mode);
 469                 mwifiex_dbg(adapter, INFO,
 470                             "RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x\t"
 471                             "Rx action = 0x%x, Rx Mode = 0x%04x\n",
 472                             le16_to_cpu(ant_mimo->action_tx),
 473                             le16_to_cpu(ant_mimo->tx_ant_mode),
 474                             le16_to_cpu(ant_mimo->action_rx),
 475                             le16_to_cpu(ant_mimo->rx_ant_mode));
 476         } else {
 477                 priv->tx_ant = le16_to_cpu(ant_siso->ant_mode);
 478                 priv->rx_ant = le16_to_cpu(ant_siso->ant_mode);
 479                 mwifiex_dbg(adapter, INFO,
 480                             "RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n",
 481                             le16_to_cpu(ant_siso->action),
 482                             le16_to_cpu(ant_siso->ant_mode));
 483         }
 484         return 0;
 485 }
 486
 487 /*
 488  * This function handles the command response of set/get MAC address.
 489  *
 490  * Handling includes saving the MAC address in driver.
 491  */
 492 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
 493                                           struct host_cmd_ds_command *resp)
 494 {
 495         struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
 496                                                         &resp->params.mac_addr;
 497
 498         memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
 499
 500         mwifiex_dbg(priv->adapter, INFO,
 501                     "info: set mac address: %pM\n", priv->curr_addr);
 502
 503         return 0;
 504 }
 505
 506 /*
 507  * This function handles the command response of set/get MAC multicast
 508  * address.
 509  */
 510 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
 511                                          struct host_cmd_ds_command *resp)
 512 {
 513         return 0;
 514 }
 515
 516 /*
 517  * This function handles the command response of get Tx rate query.
 518  *
 519  * Handling includes changing the header fields into CPU format
 520  * and saving the Tx rate and HT information parameters in driver.
 521  *
 522  * Both rate configuration and current data rate can be retrieved
 523  * with this request.
 524  */
 525 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
 526                                             struct host_cmd_ds_command *resp)
 527 {
 528         priv->tx_rate = resp->params.tx_rate.tx_rate;
 529         priv->tx_htinfo = resp->params.tx_rate.ht_info;
 530         if (!priv->is_data_rate_auto)
 531                 priv->data_rate =
 532                         mwifiex_index_to_data_rate(priv, priv->tx_rate,
 533                                                    priv->tx_htinfo);
 534
 535         return 0;
 536 }
 537
 538 /*
 539  * This function handles the command response of a deauthenticate
 540  * command.
 541  *
 542  * If the deauthenticated MAC matches the current BSS MAC, the connection
 543  * state is reset.
 544  */
 545 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
 546                                              struct host_cmd_ds_command *resp)
 547 {
 548         struct mwifiex_adapter *adapter = priv->adapter;
 549
 550         adapter->dbg.num_cmd_deauth++;
 551         if (!memcmp(resp->params.deauth.mac_addr,
 552                     &priv->curr_bss_params.bss_descriptor.mac_address,
 553                     sizeof(resp->params.deauth.mac_addr)))
 554                 mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING,
 555                                             false);
 556
 557         return 0;
 558 }
 559
 560 /*
 561  * This function handles the command response of ad-hoc stop.
 562  *
 563  * The function resets the connection state in driver.
 564  */
 565 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
 566                                           struct host_cmd_ds_command *resp)
 567 {
 568         mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING, false);
 569         return 0;
 570 }
 571
 572 /*
 573  * This function handles the command response of set/get v1 key material.
 574  *
 575  * Handling includes updating the driver parameters to reflect the
 576  * changes.
 577  */
 578 static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv,
 579                                               struct host_cmd_ds_command *resp)
 580 {
 581         struct host_cmd_ds_802_11_key_material *key =
 582                                                 &resp->params.key_material;
 583         int len;
 584
 585         len = le16_to_cpu(key->key_param_set.key_len);
 586         if (len > sizeof(key->key_param_set.key))
 587                 return -EINVAL;
 588
 589         if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
 590                 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
 591                         mwifiex_dbg(priv->adapter, INFO,
 592                                     "info: key: GTK is set\n");
 593                         priv->wpa_is_gtk_set = true;
 594                         priv->scan_block = false;
 595                         priv->port_open = true;
 596                 }
 597         }
 598
 599         memset(priv->aes_key.key_param_set.key, 0,
 600                sizeof(key->key_param_set.key));
 601         priv->aes_key.key_param_set.key_len = cpu_to_le16(len);
 602         memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key, len);
 603
 604         return 0;
 605 }
 606
 607 /*
 608  * This function handles the command response of set/get v2 key material.
 609  *
 610  * Handling includes updating the driver parameters to reflect the
 611  * changes.
 612  */
 613 static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
 614                                               struct host_cmd_ds_command *resp)
 615 {
 616         struct host_cmd_ds_802_11_key_material_v2 *key_v2;
 617         int len;
 618
 619         key_v2 = &resp->params.key_material_v2;
 620
 621         len = le16_to_cpu(key_v2->key_param_set.key_params.aes.key_len);
 622         if (len > WLAN_KEY_LEN_CCMP)
 623                 return -EINVAL;
 624
 625         if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) {
 626                 if ((le16_to_cpu(key_v2->key_param_set.key_info) & KEY_MCAST)) {
 627                         mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is set\n");
 628                         priv->wpa_is_gtk_set = true;
 629                         priv->scan_block = false;
 630                         priv->port_open = true;
 631                 }
 632         }
 633
 634         if (key_v2->key_param_set.key_type != KEY_TYPE_ID_AES)
 635                 return 0;
 636
 637         memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0,
 638                WLAN_KEY_LEN_CCMP);
 639         priv->aes_key_v2.key_param_set.key_params.aes.key_len =
 640                                 cpu_to_le16(len);
 641         memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key,
 642                key_v2->key_param_set.key_params.aes.key, len);
 643
 644         return 0;
 645 }
 646
 647 /* Wrapper function for processing response of key material command */
 648 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
 649                                            struct host_cmd_ds_command *resp)
 650 {
 651         if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
 652                 return mwifiex_ret_802_11_key_material_v2(priv, resp);
 653         else
 654                 return mwifiex_ret_802_11_key_material_v1(priv, resp);
 655 }
 656
 657 /*
 658  * This function handles the command response of get 11d domain information.
 659  */
 660 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
 661                                            struct host_cmd_ds_command *resp)
 662 {
 663         struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
 664                 &resp->params.domain_info_resp;
 665         struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
 666         u16 action = le16_to_cpu(domain_info->action);
 667         u8 no_of_triplet;
 668
 669         no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
 670                                 - IEEE80211_COUNTRY_STRING_LEN)
 671                               / sizeof(struct ieee80211_country_ie_triplet));
 672
 673         mwifiex_dbg(priv->adapter, INFO,
 674                     "info: 11D Domain Info Resp: no_of_triplet=%d\n",
 675                     no_of_triplet);
 676
 677         if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
 678                 mwifiex_dbg(priv->adapter, FATAL,
 679                             "11D: invalid number of triplets %d returned\n",
 680                             no_of_triplet);
 681                 return -1;
 682         }
 683
 684         switch (action) {
 685         case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
 686                 break;
 687         case HostCmd_ACT_GEN_GET:
 688                 break;
 689         default:
 690                 mwifiex_dbg(priv->adapter, ERROR,
 691                             "11D: invalid action:%d\n", domain_info->action);
 692                 return -1;
 693         }
 694
 695         return 0;
 696 }
 697
 698 /*
 699  * This function handles the command response of get extended version.
 700  *
 701  * Handling includes forming the extended version string and sending it
 702  * to application.
 703  */
 704 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
 705                                struct host_cmd_ds_command *resp,
 706                                struct host_cmd_ds_version_ext *version_ext)
 707 {
 708         struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
 709
 710         if (version_ext) {
 711                 version_ext->version_str_sel = ver_ext->version_str_sel;
 712                 memcpy(version_ext->version_str, ver_ext->version_str,
 713                        sizeof(char) * 128);
 714                 memcpy(priv->version_str, ver_ext->version_str, 128);
 715         }
 716         return 0;
 717 }
 718
 719 /*
 720  * This function handles the command response of remain on channel.
 721  */
 722 static int
 723 mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
 724                            struct host_cmd_ds_command *resp,
 725                            struct host_cmd_ds_remain_on_chan *roc_cfg)
 726 {
 727         struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
 728
 729         if (roc_cfg)
 730                 memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
 731
 732         return 0;
 733 }
 734
 735 /*
 736  * This function handles the command response of P2P mode cfg.
 737  */
 738 static int
 739 mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
 740                          struct host_cmd_ds_command *resp,
 741                          void *data_buf)
 742 {
 743         struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
 744
 745         if (data_buf)
 746                 put_unaligned_le16(le16_to_cpu(mode_cfg->mode), data_buf);
 747
 748         return 0;
 749 }
 750
 751 /* This function handles the command response of mem_access command
 752  */
 753 static int
 754 mwifiex_ret_mem_access(struct mwifiex_private *priv,
 755                        struct host_cmd_ds_command *resp, void *pioctl_buf)
 756 {
 757         struct host_cmd_ds_mem_access *mem = (void *)&resp->params.mem;
 758
 759         priv->mem_rw.addr = le32_to_cpu(mem->addr);
 760         priv->mem_rw.value = le32_to_cpu(mem->value);
 761
 762         return 0;
 763 }
 764 /*
 765  * This function handles the command response of register access.
 766  *
 767  * The register value and offset are returned to the user. For EEPROM
 768  * access, the byte count is also returned.
 769  */
 770 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
 771                                   void *data_buf)
 772 {
 773         struct mwifiex_ds_reg_rw *reg_rw;
 774         struct mwifiex_ds_read_eeprom *eeprom;
 775         union reg {
 776                 struct host_cmd_ds_mac_reg_access *mac;
 777                 struct host_cmd_ds_bbp_reg_access *bbp;
 778                 struct host_cmd_ds_rf_reg_access *rf;
 779                 struct host_cmd_ds_pmic_reg_access *pmic;
 780                 struct host_cmd_ds_802_11_eeprom_access *eeprom;
 781         } r;
 782
 783         if (!data_buf)
 784                 return 0;
 785
 786         reg_rw = data_buf;
 787         eeprom = data_buf;
 788         switch (type) {
 789         case HostCmd_CMD_MAC_REG_ACCESS:
 790                 r.mac = &resp->params.mac_reg;
 791                 reg_rw->offset = (u32) le16_to_cpu(r.mac->offset);
 792                 reg_rw->value = le32_to_cpu(r.mac->value);
 793                 break;
 794         case HostCmd_CMD_BBP_REG_ACCESS:
 795                 r.bbp = &resp->params.bbp_reg;
 796                 reg_rw->offset = (u32) le16_to_cpu(r.bbp->offset);
 797                 reg_rw->value = (u32) r.bbp->value;
 798                 break;
 799
 800         case HostCmd_CMD_RF_REG_ACCESS:
 801                 r.rf = &resp->params.rf_reg;
 802                 reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
 803                 reg_rw->value = (u32) r.bbp->value;
 804                 break;
 805         case HostCmd_CMD_PMIC_REG_ACCESS:
 806                 r.pmic = &resp->params.pmic_reg;
 807                 reg_rw->offset = (u32) le16_to_cpu(r.pmic->offset);
 808                 reg_rw->value = (u32) r.pmic->value;
 809                 break;
 810         case HostCmd_CMD_CAU_REG_ACCESS:
 811                 r.rf = &resp->params.rf_reg;
 812                 reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
 813                 reg_rw->value = (u32) r.rf->value;
 814                 break;
 815         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 816                 r.eeprom = &resp->params.eeprom;
 817                 pr_debug("info: EEPROM read len=%x\n",
 818                                 le16_to_cpu(r.eeprom->byte_count));
 819                 if (eeprom->byte_count < le16_to_cpu(r.eeprom->byte_count)) {
 820                         eeprom->byte_count = 0;
 821                         pr_debug("info: EEPROM read length is too big\n");
 822                         return -1;
 823                 }
 824                 eeprom->offset = le16_to_cpu(r.eeprom->offset);
 825                 eeprom->byte_count = le16_to_cpu(r.eeprom->byte_count);
 826                 if (eeprom->byte_count > 0)
 827                         memcpy(&eeprom->value, &r.eeprom->value,
 828                                min((u16)MAX_EEPROM_DATA, eeprom->byte_count));
 829                 break;
 830         default:
 831                 return -1;
 832         }
 833         return 0;
 834 }
 835
 836 /*
 837  * This function handles the command response of get IBSS coalescing status.
 838  *
 839  * If the received BSSID is different than the current one, the current BSSID,
 840  * beacon interval, ATIM window and ERP information are updated, along with
 841  * changing the ad-hoc state accordingly.
 842  */
 843 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
 844                                               struct host_cmd_ds_command *resp)
 845 {
 846         struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
 847                                         &(resp->params.ibss_coalescing);
 848
 849         if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
 850                 return 0;
 851
 852         mwifiex_dbg(priv->adapter, INFO,
 853                     "info: new BSSID %pM\n", ibss_coal_resp->bssid);
 854
 855         /* If rsp has NULL BSSID, Just return..... No Action */
 856         if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
 857                 mwifiex_dbg(priv->adapter, FATAL, "new BSSID is NULL\n");
 858                 return 0;
 859         }
 860
 861         /* If BSSID is diff, modify current BSS parameters */
 862         if (!ether_addr_equal(priv->curr_bss_params.bss_descriptor.mac_address, ibss_coal_resp->bssid)) {
 863                 /* BSSID */
 864                 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
 865                        ibss_coal_resp->bssid, ETH_ALEN);
 866
 867                 /* Beacon Interval */
 868                 priv->curr_bss_params.bss_descriptor.beacon_period
 869                         = le16_to_cpu(ibss_coal_resp->beacon_interval);
 870
 871                 /* ERP Information */
 872                 priv->curr_bss_params.bss_descriptor.erp_flags =
 873                         (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
 874
 875                 priv->adhoc_state = ADHOC_COALESCED;
 876         }
 877
 878         return 0;
 879 }
 880 static int mwifiex_ret_tdls_oper(struct mwifiex_private *priv,
 881                                  struct host_cmd_ds_command *resp)
 882 {
 883         struct host_cmd_ds_tdls_oper *cmd_tdls_oper = &resp->params.tdls_oper;
 884         u16 reason = le16_to_cpu(cmd_tdls_oper->reason);
 885         u16 action = le16_to_cpu(cmd_tdls_oper->tdls_action);
 886         struct mwifiex_sta_node *node =
 887                            mwifiex_get_sta_entry(priv, cmd_tdls_oper->peer_mac);
 888
 889         switch (action) {
 890         case ACT_TDLS_DELETE:
 891                 if (reason) {
 892                         if (!node || reason == TDLS_ERR_LINK_NONEXISTENT)
 893                                 mwifiex_dbg(priv->adapter, MSG,
 894                                             "TDLS link delete for %pM failed: reason %d\n",
 895                                             cmd_tdls_oper->peer_mac, reason);
 896                         else
 897                                 mwifiex_dbg(priv->adapter, ERROR,
 898                                             "TDLS link delete for %pM failed: reason %d\n",
 899                                             cmd_tdls_oper->peer_mac, reason);
 900                 } else {
 901                         mwifiex_dbg(priv->adapter, MSG,
 902                                     "TDLS link delete for %pM successful\n",
 903                                     cmd_tdls_oper->peer_mac);
 904                 }
 905                 break;
 906         case ACT_TDLS_CREATE:
 907                 if (reason) {
 908                         mwifiex_dbg(priv->adapter, ERROR,
 909                                     "TDLS link creation for %pM failed: reason %d",
 910                                     cmd_tdls_oper->peer_mac, reason);
 911                         if (node && reason != TDLS_ERR_LINK_EXISTS)
 912                                 node->tdls_status = TDLS_SETUP_FAILURE;
 913                 } else {
 914                         mwifiex_dbg(priv->adapter, MSG,
 915                                     "TDLS link creation for %pM successful",
 916                                     cmd_tdls_oper->peer_mac);
 917                 }
 918                 break;
 919         case ACT_TDLS_CONFIG:
 920                 if (reason) {
 921                         mwifiex_dbg(priv->adapter, ERROR,
 922                                     "TDLS link config for %pM failed, reason %d\n",
 923                                     cmd_tdls_oper->peer_mac, reason);
 924                         if (node)
 925                                 node->tdls_status = TDLS_SETUP_FAILURE;
 926                 } else {
 927                         mwifiex_dbg(priv->adapter, MSG,
 928                                     "TDLS link config for %pM successful\n",
 929                                     cmd_tdls_oper->peer_mac);
 930                 }
 931                 break;
 932         default:
 933                 mwifiex_dbg(priv->adapter, ERROR,
 934                             "Unknown TDLS command action response %d", action);
 935                 return -1;
 936         }
 937
 938         return 0;
 939 }
 940 /*
 941  * This function handles the command response for subscribe event command.
 942  */
 943 static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
 944                                  struct host_cmd_ds_command *resp)
 945 {
 946         struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
 947                 &resp->params.subsc_evt;
 948
 949         /* For every subscribe event command (Get/Set/Clear), FW reports the
 950          * current set of subscribed events*/
 951         mwifiex_dbg(priv->adapter, EVENT,
 952                     "Bitmap of currently subscribed events: %16x\n",
 953                     le16_to_cpu(cmd_sub_event->events));
 954
 955         return 0;
 956 }
 957
 958 static int mwifiex_ret_uap_sta_list(struct mwifiex_private *priv,
 959                                     struct host_cmd_ds_command *resp)
 960 {
 961         struct host_cmd_ds_sta_list *sta_list =
 962                 &resp->params.sta_list;
 963         struct mwifiex_ie_types_sta_info *sta_info = (void *)&sta_list->tlv;
 964         int i;
 965         struct mwifiex_sta_node *sta_node;
 966
 967         for (i = 0; i < (le16_to_cpu(sta_list->sta_count)); i++) {
 968                 sta_node = mwifiex_get_sta_entry(priv, sta_info->mac);
 969                 if (unlikely(!sta_node))
 970                         continue;
 971
 972                 sta_node->stats.rssi = sta_info->rssi;
 973                 sta_info++;
 974         }
 975
 976         return 0;
 977 }
 978
 979 /* This function handles the command response of set_cfg_data */
 980 static int mwifiex_ret_cfg_data(struct mwifiex_private *priv,
 981                                 struct host_cmd_ds_command *resp)
 982 {
 983         if (resp->result != HostCmd_RESULT_OK) {
 984                 mwifiex_dbg(priv->adapter, ERROR, "Cal data cmd resp failed\n");
 985                 return -1;
 986         }
 987
 988         return 0;
 989 }
 990
 991 /** This Function handles the command response of sdio rx aggr */
 992 static int mwifiex_ret_sdio_rx_aggr_cfg(struct mwifiex_private *priv,
 993                                         struct host_cmd_ds_command *resp)
 994 {
 995         struct mwifiex_adapter *adapter = priv->adapter;
 996         struct host_cmd_sdio_sp_rx_aggr_cfg *cfg =
 997                                 &resp->params.sdio_rx_aggr_cfg;
 998
 999         adapter->sdio_rx_aggr_enable = cfg->enable;
1000         adapter->sdio_rx_block_size = le16_to_cpu(cfg->block_size);
1001
1002         return 0;
1003 }
1004
1005 static int mwifiex_ret_robust_coex(struct mwifiex_private *priv,
1006                                    struct host_cmd_ds_command *resp,
1007                                    bool *is_timeshare)
1008 {
1009         struct host_cmd_ds_robust_coex *coex = &resp->params.coex;
1010         struct mwifiex_ie_types_robust_coex *coex_tlv;
1011         u16 action = le16_to_cpu(coex->action);
1012         u32 mode;
1013
1014         coex_tlv = (struct mwifiex_ie_types_robust_coex
1015                     *)((u8 *)coex + sizeof(struct host_cmd_ds_robust_coex));
1016         if (action == HostCmd_ACT_GEN_GET) {
1017                 mode = le32_to_cpu(coex_tlv->mode);
1018                 if (mode == MWIFIEX_COEX_MODE_TIMESHARE)
1019                         *is_timeshare = true;
1020                 else
1021                         *is_timeshare = false;
1022         }
1023
1024         return 0;
1025 }
1026
1027 static struct ieee80211_regdomain *
1028 mwifiex_create_custom_regdomain(struct mwifiex_private *priv,
1029                                 u8 *buf, u16 buf_len)
1030 {
1031         u16 num_chan = buf_len / 2;
1032         struct ieee80211_regdomain *regd;
1033         struct ieee80211_reg_rule *rule;
1034         bool new_rule;
1035         int idx, freq, prev_freq = 0;
1036         u32 bw, prev_bw = 0;
1037         u8 chflags, prev_chflags = 0, valid_rules = 0;
1038
1039         if (WARN_ON_ONCE(num_chan > NL80211_MAX_SUPP_REG_RULES))
1040                 return ERR_PTR(-EINVAL);
1041
1042         regd = kzalloc(struct_size(regd, reg_rules, num_chan), GFP_KERNEL);
1043         if (!regd)
1044                 return ERR_PTR(-ENOMEM);
1045
1046         for (idx = 0; idx < num_chan; idx++) {
1047                 u8 chan;
1048                 enum nl80211_band band;
1049
1050                 chan = *buf++;
1051                 if (!chan) {
1052                         kfree(regd);
1053                         return NULL;
1054                 }
1055                 chflags = *buf++;
1056                 band = (chan <= 14) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
1057                 freq = ieee80211_channel_to_frequency(chan, band);
1058                 new_rule = false;
1059
1060                 if (chflags & MWIFIEX_CHANNEL_DISABLED)
1061                         continue;
1062
1063                 if (band == NL80211_BAND_5GHZ) {
1064                         if (!(chflags & MWIFIEX_CHANNEL_NOHT80))
1065                                 bw = MHZ_TO_KHZ(80);
1066                         else if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1067                                 bw = MHZ_TO_KHZ(40);
1068                         else
1069                                 bw = MHZ_TO_KHZ(20);
1070                 } else {
1071                         if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1072                                 bw = MHZ_TO_KHZ(40);
1073                         else
1074                                 bw = MHZ_TO_KHZ(20);
1075                 }
1076
1077                 if (idx == 0 || prev_chflags != chflags || prev_bw != bw ||
1078                     freq - prev_freq > 20) {
1079                         valid_rules++;
1080                         new_rule = true;
1081                 }
1082
1083                 rule = &regd->reg_rules[valid_rules - 1];
1084
1085                 rule->freq_range.end_freq_khz = MHZ_TO_KHZ(freq + 10);
1086
1087                 prev_chflags = chflags;
1088                 prev_freq = freq;
1089                 prev_bw = bw;
1090
1091                 if (!new_rule)
1092                         continue;
1093
1094                 rule->freq_range.start_freq_khz = MHZ_TO_KHZ(freq - 10);
1095                 rule->power_rule.max_eirp = DBM_TO_MBM(19);
1096
1097                 if (chflags & MWIFIEX_CHANNEL_PASSIVE)
1098                         rule->flags = NL80211_RRF_NO_IR;
1099
1100                 if (chflags & MWIFIEX_CHANNEL_DFS)
1101                         rule->flags = NL80211_RRF_DFS;
1102
1103                 rule->freq_range.max_bandwidth_khz = bw;
1104         }
1105
1106         regd->n_reg_rules = valid_rules;
1107         regd->alpha2[0] = '9';
1108         regd->alpha2[1] = '9';
1109
1110         return regd;
1111 }
1112
1113 static int mwifiex_ret_chan_region_cfg(struct mwifiex_private *priv,
1114                                        struct host_cmd_ds_command *resp)
1115 {
1116         struct host_cmd_ds_chan_region_cfg *reg = &resp->params.reg_cfg;
1117         u16 action = le16_to_cpu(reg->action);
1118         u16 tlv, tlv_buf_len, tlv_buf_left;
1119         struct mwifiex_ie_types_header *head;
1120         struct ieee80211_regdomain *regd;
1121         u8 *tlv_buf;
1122
1123         if (action != HostCmd_ACT_GEN_GET)
1124                 return 0;
1125
1126         tlv_buf = (u8 *)reg + sizeof(*reg);
1127         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*reg);
1128
1129         while (tlv_buf_left >= sizeof(*head)) {
1130                 head = (struct mwifiex_ie_types_header *)tlv_buf;
1131                 tlv = le16_to_cpu(head->type);
1132                 tlv_buf_len = le16_to_cpu(head->len);
1133
1134                 if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
1135                         break;
1136
1137                 switch (tlv) {
1138                 case TLV_TYPE_CHAN_ATTR_CFG:
1139                         mwifiex_dbg_dump(priv->adapter, CMD_D, "CHAN:",
1140                                          (u8 *)head + sizeof(*head),
1141                                          tlv_buf_len);
1142                         regd = mwifiex_create_custom_regdomain(priv,
1143                                 (u8 *)head + sizeof(*head), tlv_buf_len);
1144                         if (!IS_ERR(regd))
1145                                 priv->adapter->regd = regd;
1146                         break;
1147                 }
1148
1149                 tlv_buf += (sizeof(*head) + tlv_buf_len);
1150                 tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
1151         }
1152
1153         return 0;
1154 }
1155
1156 static int mwifiex_ret_pkt_aggr_ctrl(struct mwifiex_private *priv,
1157                                      struct host_cmd_ds_command *resp)
1158 {
1159         struct host_cmd_ds_pkt_aggr_ctrl *pkt_aggr_ctrl =
1160                                         &resp->params.pkt_aggr_ctrl;
1161         struct mwifiex_adapter *adapter = priv->adapter;
1162
1163         adapter->bus_aggr.enable = le16_to_cpu(pkt_aggr_ctrl->enable);
1164         if (adapter->bus_aggr.enable)
1165                 adapter->intf_hdr_len = INTF_HEADER_LEN;
1166         adapter->bus_aggr.mode = MWIFIEX_BUS_AGGR_MODE_LEN_V2;
1167         adapter->bus_aggr.tx_aggr_max_size =
1168                                 le16_to_cpu(pkt_aggr_ctrl->tx_aggr_max_size);
1169         adapter->bus_aggr.tx_aggr_max_num =
1170                                 le16_to_cpu(pkt_aggr_ctrl->tx_aggr_max_num);
1171         adapter->bus_aggr.tx_aggr_align =
1172                                 le16_to_cpu(pkt_aggr_ctrl->tx_aggr_align);
1173
1174         return 0;
1175 }
1176
1177 static int mwifiex_ret_get_chan_info(struct mwifiex_private *priv,
1178                                      struct host_cmd_ds_command *resp,
1179                                      struct mwifiex_channel_band *channel_band)
1180 {
1181         struct host_cmd_ds_sta_configure *sta_cfg_cmd = &resp->params.sta_cfg;
1182         struct host_cmd_tlv_channel_band *tlv_band_channel;
1183
1184         tlv_band_channel =
1185         (struct host_cmd_tlv_channel_band *)sta_cfg_cmd->tlv_buffer;
1186         memcpy(&channel_band->band_config, &tlv_band_channel->band_config,
1187                sizeof(struct mwifiex_band_config));
1188         channel_band->channel = tlv_band_channel->channel;
1189
1190         return 0;
1191 }
1192
1193 /*
1194  * This function handles the command responses.
1195  *
1196  * This is a generic function, which calls command specific
1197  * response handlers based on the command ID.
1198  */
1199 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
1200                                 struct host_cmd_ds_command *resp)
1201 {
1202         int ret = 0;
1203         struct mwifiex_adapter *adapter = priv->adapter;
1204         void *data_buf = adapter->curr_cmd->data_buf;
1205
1206         /* If the command is not successful, cleanup and return failure */
1207         if (resp->result != HostCmd_RESULT_OK) {
1208                 mwifiex_process_cmdresp_error(priv, resp);
1209                 return -1;
1210         }
1211         /* Command successful, handle response */
1212         switch (cmdresp_no) {
1213         case HostCmd_CMD_GET_HW_SPEC:
1214                 ret = mwifiex_ret_get_hw_spec(priv, resp);
1215                 break;
1216         case HostCmd_CMD_CFG_DATA:
1217                 ret = mwifiex_ret_cfg_data(priv, resp);
1218                 break;
1219         case HostCmd_CMD_MAC_CONTROL:
1220                 break;
1221         case HostCmd_CMD_802_11_MAC_ADDRESS:
1222                 ret = mwifiex_ret_802_11_mac_address(priv, resp);
1223                 break;
1224         case HostCmd_CMD_MAC_MULTICAST_ADR:
1225                 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
1226                 break;
1227         case HostCmd_CMD_TX_RATE_CFG:
1228                 ret = mwifiex_ret_tx_rate_cfg(priv, resp);
1229                 break;
1230         case HostCmd_CMD_802_11_SCAN:
1231                 ret = mwifiex_ret_802_11_scan(priv, resp);
1232                 adapter->curr_cmd->wait_q_enabled = false;
1233                 break;
1234         case HostCmd_CMD_802_11_SCAN_EXT:
1235                 ret = mwifiex_ret_802_11_scan_ext(priv, resp);
1236                 adapter->curr_cmd->wait_q_enabled = false;
1237                 break;
1238         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
1239                 ret = mwifiex_ret_802_11_scan(priv, resp);
1240                 cfg80211_sched_scan_results(priv->wdev.wiphy, 0);
1241                 mwifiex_dbg(adapter, CMD,
1242                             "info: CMD_RESP: BG_SCAN result is ready!\n");
1243                 break;
1244         case HostCmd_CMD_802_11_BG_SCAN_CONFIG:
1245                 break;
1246         case HostCmd_CMD_TXPWR_CFG:
1247                 ret = mwifiex_ret_tx_power_cfg(priv, resp);
1248                 break;
1249         case HostCmd_CMD_RF_TX_PWR:
1250                 ret = mwifiex_ret_rf_tx_power(priv, resp);
1251                 break;
1252         case HostCmd_CMD_RF_ANTENNA:
1253                 ret = mwifiex_ret_rf_antenna(priv, resp);
1254                 break;
1255         case HostCmd_CMD_802_11_PS_MODE_ENH:
1256                 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
1257                 break;
1258         case HostCmd_CMD_802_11_HS_CFG_ENH:
1259                 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
1260                 break;
1261         case HostCmd_CMD_802_11_ASSOCIATE:
1262                 ret = mwifiex_ret_802_11_associate(priv, resp);
1263                 break;
1264         case HostCmd_CMD_802_11_DEAUTHENTICATE:
1265                 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
1266                 break;
1267         case HostCmd_CMD_802_11_AD_HOC_START:
1268         case HostCmd_CMD_802_11_AD_HOC_JOIN:
1269                 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
1270                 break;
1271         case HostCmd_CMD_802_11_AD_HOC_STOP:
1272                 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
1273                 break;
1274         case HostCmd_CMD_802_11_GET_LOG:
1275                 ret = mwifiex_ret_get_log(priv, resp, data_buf);
1276                 break;
1277         case HostCmd_CMD_RSSI_INFO:
1278                 ret = mwifiex_ret_802_11_rssi_info(priv, resp);
1279                 break;
1280         case HostCmd_CMD_802_11_SNMP_MIB:
1281                 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
1282                 break;
1283         case HostCmd_CMD_802_11_TX_RATE_QUERY:
1284                 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
1285                 break;
1286         case HostCmd_CMD_VERSION_EXT:
1287                 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
1288                 break;
1289         case HostCmd_CMD_REMAIN_ON_CHAN:
1290                 ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
1291                 break;
1292         case HostCmd_CMD_11AC_CFG:
1293                 break;
1294         case HostCmd_CMD_PACKET_AGGR_CTRL:
1295                 ret = mwifiex_ret_pkt_aggr_ctrl(priv, resp);
1296                 break;
1297         case HostCmd_CMD_P2P_MODE_CFG:
1298                 ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
1299                 break;
1300         case HostCmd_CMD_MGMT_FRAME_REG:
1301         case HostCmd_CMD_FUNC_INIT:
1302         case HostCmd_CMD_FUNC_SHUTDOWN:
1303                 break;
1304         case HostCmd_CMD_802_11_KEY_MATERIAL:
1305                 ret = mwifiex_ret_802_11_key_material(priv, resp);
1306                 break;
1307         case HostCmd_CMD_802_11D_DOMAIN_INFO:
1308                 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
1309                 break;
1310         case HostCmd_CMD_11N_ADDBA_REQ:
1311                 ret = mwifiex_ret_11n_addba_req(priv, resp);
1312                 break;
1313         case HostCmd_CMD_11N_DELBA:
1314                 ret = mwifiex_ret_11n_delba(priv, resp);
1315                 break;
1316         case HostCmd_CMD_11N_ADDBA_RSP:
1317                 ret = mwifiex_ret_11n_addba_resp(priv, resp);
1318                 break;
1319         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
1320                 if (0xffff == (u16)le16_to_cpu(resp->params.tx_buf.buff_size)) {
1321                         if (adapter->iface_type == MWIFIEX_USB &&
1322                             adapter->usb_mc_setup) {
1323                                 if (adapter->if_ops.multi_port_resync)
1324                                         adapter->if_ops.
1325                                                 multi_port_resync(adapter);
1326                                 adapter->usb_mc_setup = false;
1327                                 adapter->tx_lock_flag = false;
1328                         }
1329                         break;
1330                 }
1331                 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
1332                                                              tx_buf.buff_size);
1333                 adapter->tx_buf_size = (adapter->tx_buf_size
1334                                         / MWIFIEX_SDIO_BLOCK_SIZE)
1335                                        * MWIFIEX_SDIO_BLOCK_SIZE;
1336                 adapter->curr_tx_buf_size = adapter->tx_buf_size;
1337                 mwifiex_dbg(adapter, CMD, "cmd: curr_tx_buf_size=%d\n",
1338                             adapter->curr_tx_buf_size);
1339
1340                 if (adapter->if_ops.update_mp_end_port)
1341                         adapter->if_ops.update_mp_end_port(adapter,
1342                                 le16_to_cpu(resp->params.tx_buf.mp_end_port));
1343                 break;
1344         case HostCmd_CMD_AMSDU_AGGR_CTRL:
1345                 break;
1346         case HostCmd_CMD_WMM_GET_STATUS:
1347                 ret = mwifiex_ret_wmm_get_status(priv, resp);
1348                 break;
1349         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
1350                 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
1351                 break;
1352         case HostCmd_CMD_MEM_ACCESS:
1353                 ret = mwifiex_ret_mem_access(priv, resp, data_buf);
1354                 break;
1355         case HostCmd_CMD_MAC_REG_ACCESS:
1356         case HostCmd_CMD_BBP_REG_ACCESS:
1357         case HostCmd_CMD_RF_REG_ACCESS:
1358         case HostCmd_CMD_PMIC_REG_ACCESS:
1359         case HostCmd_CMD_CAU_REG_ACCESS:
1360         case HostCmd_CMD_802_11_EEPROM_ACCESS:
1361                 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
1362                 break;
1363         case HostCmd_CMD_SET_BSS_MODE:
1364                 break;
1365         case HostCmd_CMD_11N_CFG:
1366                 break;
1367         case HostCmd_CMD_PCIE_DESC_DETAILS:
1368                 break;
1369         case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
1370                 ret = mwifiex_ret_subsc_evt(priv, resp);
1371                 break;
1372         case HostCmd_CMD_UAP_SYS_CONFIG:
1373                 break;
1374         case HOST_CMD_APCMD_STA_LIST:
1375                 ret = mwifiex_ret_uap_sta_list(priv, resp);
1376                 break;
1377         case HostCmd_CMD_UAP_BSS_START:
1378                 adapter->tx_lock_flag = false;
1379                 adapter->pps_uapsd_mode = false;
1380                 adapter->delay_null_pkt = false;
1381                 priv->bss_started = 1;
1382                 break;
1383         case HostCmd_CMD_UAP_BSS_STOP:
1384                 priv->bss_started = 0;
1385                 break;
1386         case HostCmd_CMD_UAP_STA_DEAUTH:
1387                 break;
1388         case HOST_CMD_APCMD_SYS_RESET:
1389                 break;
1390         case HostCmd_CMD_MEF_CFG:
1391                 break;
1392         case HostCmd_CMD_COALESCE_CFG:
1393                 break;
1394         case HostCmd_CMD_TDLS_OPER:
1395                 ret = mwifiex_ret_tdls_oper(priv, resp);
1396         case HostCmd_CMD_MC_POLICY:
1397                 break;
1398         case HostCmd_CMD_CHAN_REPORT_REQUEST:
1399                 break;
1400         case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
1401                 ret = mwifiex_ret_sdio_rx_aggr_cfg(priv, resp);
1402                 break;
1403         case HostCmd_CMD_HS_WAKEUP_REASON:
1404                 ret = mwifiex_ret_wakeup_reason(priv, resp, data_buf);
1405                 break;
1406         case HostCmd_CMD_TDLS_CONFIG:
1407                 break;
1408         case HostCmd_CMD_ROBUST_COEX:
1409                 ret = mwifiex_ret_robust_coex(priv, resp, data_buf);
1410                 break;
1411         case HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG:
1412                 break;
1413         case HostCmd_CMD_CHAN_REGION_CFG:
1414                 ret = mwifiex_ret_chan_region_cfg(priv, resp);
1415                 break;
1416         case HostCmd_CMD_STA_CONFIGURE:
1417                 ret = mwifiex_ret_get_chan_info(priv, resp, data_buf);
1418                 break;
1419         default:
1420                 mwifiex_dbg(adapter, ERROR,
1421                             "CMD_RESP: unknown cmd response %#x\n",
1422                             resp->command);
1423                 break;
1424         }
1425
1426         return ret;
1427 }