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

   1 /*
   2  * Marvell Wireless LAN device driver: station command response handling
   3  *
   4  * Copyright (C) 2011-2014, Marvell International Ltd.
   5  *
   6  * This software file (the "File") is distributed by Marvell International
   7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8  * (the "License").  You may use, redistribute and/or modify this File in
   9  * accordance with the terms and conditions of the License, a copy of which
  10  * is available by writing to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13  *
  14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17  * this warranty disclaimer.
  18  */
  19
  20 #include "decl.h"
  21 #include "ioctl.h"
  22 #include "util.h"
  23 #include "fw.h"
  24 #include "main.h"
  25 #include "wmm.h"
  26 #include "11n.h"
  27 #include "11ac.h"
  28
  29
  30 /*
  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         unsigned long flags;
  50
  51         mwifiex_dbg(adapter, ERROR,
  52                     "CMD_RESP: cmd %#x error, result=%#x\n",
  53                     resp->command, resp->result);
  54
  55         if (adapter->curr_cmd->wait_q_enabled)
  56                 adapter->cmd_wait_q.status = -1;
  57
  58         switch (le16_to_cpu(resp->command)) {
  59         case HostCmd_CMD_802_11_PS_MODE_ENH:
  60                 pm = &resp->params.psmode_enh;
  61                 mwifiex_dbg(adapter, ERROR,
  62                             "PS_MODE_ENH cmd failed: result=0x%x action=0x%X\n",
  63                             resp->result, le16_to_cpu(pm->action));
  64                 /* We do not re-try enter-ps command in ad-hoc mode. */
  65                 if (le16_to_cpu(pm->action) == EN_AUTO_PS &&
  66                     (le16_to_cpu(pm->params.ps_bitmap) & BITMAP_STA_PS) &&
  67                     priv->bss_mode == NL80211_IFTYPE_ADHOC)
  68                         adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
  69
  70                 break;
  71         case HostCmd_CMD_802_11_SCAN:
  72         case HostCmd_CMD_802_11_SCAN_EXT:
  73                 mwifiex_cancel_pending_scan_cmd(adapter);
  74
  75                 spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
  76                 adapter->scan_processing = false;
  77                 spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
  78                 break;
  79
  80         case HostCmd_CMD_MAC_CONTROL:
  81                 break;
  82
  83         case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
  84                 mwifiex_dbg(adapter, MSG,
  85                             "SDIO RX single-port aggregation Not support\n");
  86                 break;
  87
  88         default:
  89                 break;
  90         }
  91         /* Handling errors here */
  92         mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
  93
  94         spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
  95         adapter->curr_cmd = NULL;
  96         spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
  97 }
  98
  99 /*
 100  * This function handles the command response of get RSSI info.
 101  *
 102  * Handling includes changing the header fields into CPU format
 103  * and saving the following parameters in driver -
 104  *      - Last data and beacon RSSI value
 105  *      - Average data and beacon RSSI value
 106  *      - Last data and beacon NF value
 107  *      - Average data and beacon NF value
 108  *
 109  * The parameters are send to the application as well, along with
 110  * calculated SNR values.
 111  */
 112 static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv,
 113                                         struct host_cmd_ds_command *resp)
 114 {
 115         struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
 116                                                 &resp->params.rssi_info_rsp;
 117         struct mwifiex_ds_misc_subsc_evt *subsc_evt =
 118                                                 &priv->async_subsc_evt_storage;
 119
 120         priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
 121         priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
 122
 123         priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg);
 124         priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg);
 125
 126         priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last);
 127         priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last);
 128
 129         priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
 130         priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
 131
 132         if (priv->subsc_evt_rssi_state == EVENT_HANDLED)
 133                 return 0;
 134
 135         memset(subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
 136
 137         /* Resubscribe low and high rssi events with new thresholds */
 138         subsc_evt->events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
 139         subsc_evt->action = HostCmd_ACT_BITWISE_SET;
 140         if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) {
 141                 subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg -
 142                                 priv->cqm_rssi_hyst);
 143                 subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
 144         } else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) {
 145                 subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
 146                 subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg +
 147                                 priv->cqm_rssi_hyst);
 148         }
 149         subsc_evt->bcn_l_rssi_cfg.evt_freq = 1;
 150         subsc_evt->bcn_h_rssi_cfg.evt_freq = 1;
 151
 152         priv->subsc_evt_rssi_state = EVENT_HANDLED;
 153
 154         mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
 155                          0, 0, subsc_evt, false);
 156
 157         return 0;
 158 }
 159
 160 /*
 161  * This function handles the command response of set/get SNMP
 162  * MIB parameters.
 163  *
 164  * Handling includes changing the header fields into CPU format
 165  * and saving the parameter in driver.
 166  *
 167  * The following parameters are supported -
 168  *      - Fragmentation threshold
 169  *      - RTS threshold
 170  *      - Short retry limit
 171  */
 172 static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
 173                                        struct host_cmd_ds_command *resp,
 174                                        u32 *data_buf)
 175 {
 176         struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
 177         u16 oid = le16_to_cpu(smib->oid);
 178         u16 query_type = le16_to_cpu(smib->query_type);
 179         u32 ul_temp;
 180
 181         mwifiex_dbg(priv->adapter, INFO,
 182                     "info: SNMP_RESP: oid value = %#x,\t"
 183                     "query_type = %#x, buf size = %#x\n",
 184                     oid, query_type, le16_to_cpu(smib->buf_size));
 185         if (query_type == HostCmd_ACT_GEN_GET) {
 186                 ul_temp = le16_to_cpu(*((__le16 *) (smib->value)));
 187                 if (data_buf)
 188                         *data_buf = ul_temp;
 189                 switch (oid) {
 190                 case FRAG_THRESH_I:
 191                         mwifiex_dbg(priv->adapter, INFO,
 192                                     "info: SNMP_RESP: FragThsd =%u\n",
 193                                     ul_temp);
 194                         break;
 195                 case RTS_THRESH_I:
 196                         mwifiex_dbg(priv->adapter, INFO,
 197                                     "info: SNMP_RESP: RTSThsd =%u\n",
 198                                     ul_temp);
 199                         break;
 200                 case SHORT_RETRY_LIM_I:
 201                         mwifiex_dbg(priv->adapter, INFO,
 202                                     "info: SNMP_RESP: TxRetryCount=%u\n",
 203                                     ul_temp);
 204                         break;
 205                 case DTIM_PERIOD_I:
 206                         mwifiex_dbg(priv->adapter, INFO,
 207                                     "info: SNMP_RESP: DTIM period=%u\n",
 208                                     ul_temp);
 209                 default:
 210                         break;
 211                 }
 212         }
 213
 214         return 0;
 215 }
 216
 217 /*
 218  * This function handles the command response of get log request
 219  *
 220  * Handling includes changing the header fields into CPU format
 221  * and sending the received parameters to application.
 222  */
 223 static int mwifiex_ret_get_log(struct mwifiex_private *priv,
 224                                struct host_cmd_ds_command *resp,
 225                                struct mwifiex_ds_get_stats *stats)
 226 {
 227         struct host_cmd_ds_802_11_get_log *get_log =
 228                 &resp->params.get_log;
 229
 230         if (stats) {
 231                 stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
 232                 stats->failed = le32_to_cpu(get_log->failed);
 233                 stats->retry = le32_to_cpu(get_log->retry);
 234                 stats->multi_retry = le32_to_cpu(get_log->multi_retry);
 235                 stats->frame_dup = le32_to_cpu(get_log->frame_dup);
 236                 stats->rts_success = le32_to_cpu(get_log->rts_success);
 237                 stats->rts_failure = le32_to_cpu(get_log->rts_failure);
 238                 stats->ack_failure = le32_to_cpu(get_log->ack_failure);
 239                 stats->rx_frag = le32_to_cpu(get_log->rx_frag);
 240                 stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
 241                 stats->fcs_error = le32_to_cpu(get_log->fcs_error);
 242                 stats->tx_frame = le32_to_cpu(get_log->tx_frame);
 243                 stats->wep_icv_error[0] =
 244                         le32_to_cpu(get_log->wep_icv_err_cnt[0]);
 245                 stats->wep_icv_error[1] =
 246                         le32_to_cpu(get_log->wep_icv_err_cnt[1]);
 247                 stats->wep_icv_error[2] =
 248                         le32_to_cpu(get_log->wep_icv_err_cnt[2]);
 249                 stats->wep_icv_error[3] =
 250                         le32_to_cpu(get_log->wep_icv_err_cnt[3]);
 251                 stats->bcn_rcv_cnt = le32_to_cpu(get_log->bcn_rcv_cnt);
 252                 stats->bcn_miss_cnt = le32_to_cpu(get_log->bcn_miss_cnt);
 253         }
 254
 255         return 0;
 256 }
 257
 258 /*
 259  * This function handles the command response of set/get Tx rate
 260  * configurations.
 261  *
 262  * Handling includes changing the header fields into CPU format
 263  * and saving the following parameters in driver -
 264  *      - DSSS rate bitmap
 265  *      - OFDM rate bitmap
 266  *      - HT MCS rate bitmaps
 267  *
 268  * Based on the new rate bitmaps, the function re-evaluates if
 269  * auto data rate has been activated. If not, it sends another
 270  * query to the firmware to get the current Tx data rate.
 271  */
 272 static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
 273                                    struct host_cmd_ds_command *resp)
 274 {
 275         struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
 276         struct mwifiex_rate_scope *rate_scope;
 277         struct mwifiex_ie_types_header *head;
 278         u16 tlv, tlv_buf_len, tlv_buf_left;
 279         u8 *tlv_buf;
 280         u32 i;
 281
 282         tlv_buf = ((u8 *)rate_cfg) + sizeof(struct host_cmd_ds_tx_rate_cfg);
 283         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*rate_cfg);
 284
 285         while (tlv_buf_left >= sizeof(*head)) {
 286                 head = (struct mwifiex_ie_types_header *)tlv_buf;
 287                 tlv = le16_to_cpu(head->type);
 288                 tlv_buf_len = le16_to_cpu(head->len);
 289
 290                 if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
 291                         break;
 292
 293                 switch (tlv) {
 294                 case TLV_TYPE_RATE_SCOPE:
 295                         rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
 296                         priv->bitmap_rates[0] =
 297                                 le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
 298                         priv->bitmap_rates[1] =
 299                                 le16_to_cpu(rate_scope->ofdm_rate_bitmap);
 300                         for (i = 0;
 301                              i <
 302                              sizeof(rate_scope->ht_mcs_rate_bitmap) /
 303                              sizeof(u16); i++)
 304                                 priv->bitmap_rates[2 + i] =
 305                                         le16_to_cpu(rate_scope->
 306                                                     ht_mcs_rate_bitmap[i]);
 307
 308                         if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
 309                                 for (i = 0; i < ARRAY_SIZE(rate_scope->
 310                                                            vht_mcs_rate_bitmap);
 311                                      i++)
 312                                         priv->bitmap_rates[10 + i] =
 313                                             le16_to_cpu(rate_scope->
 314                                                         vht_mcs_rate_bitmap[i]);
 315                         }
 316                         break;
 317                         /* Add RATE_DROP tlv here */
 318                 }
 319
 320                 tlv_buf += (sizeof(*head) + tlv_buf_len);
 321                 tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
 322         }
 323
 324         priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
 325
 326         if (priv->is_data_rate_auto)
 327                 priv->data_rate = 0;
 328         else
 329                 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
 330                                         HostCmd_ACT_GEN_GET, 0, NULL, false);
 331
 332         return 0;
 333 }
 334
 335 /*
 336  * This function handles the command response of get Tx power level.
 337  *
 338  * Handling includes saving the maximum and minimum Tx power levels
 339  * in driver, as well as sending the values to user.
 340  */
 341 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
 342 {
 343         int length, max_power = -1, min_power = -1;
 344         struct mwifiex_types_power_group *pg_tlv_hdr;
 345         struct mwifiex_power_group *pg;
 346
 347         if (!data_buf)
 348                 return -1;
 349
 350         pg_tlv_hdr = (struct mwifiex_types_power_group *)((u8 *)data_buf);
 351         pg = (struct mwifiex_power_group *)
 352                 ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
 353         length = le16_to_cpu(pg_tlv_hdr->length);
 354
 355         /* At least one structure required to update power */
 356         if (length < sizeof(struct mwifiex_power_group))
 357                 return 0;
 358
 359         max_power = pg->power_max;
 360         min_power = pg->power_min;
 361         length -= sizeof(struct mwifiex_power_group);
 362
 363         while (length >= sizeof(struct mwifiex_power_group)) {
 364                 pg++;
 365                 if (max_power < pg->power_max)
 366                         max_power = pg->power_max;
 367
 368                 if (min_power > pg->power_min)
 369                         min_power = pg->power_min;
 370
 371                 length -= sizeof(struct mwifiex_power_group);
 372         }
 373         priv->min_tx_power_level = (u8) min_power;
 374         priv->max_tx_power_level = (u8) max_power;
 375
 376         return 0;
 377 }
 378
 379 /*
 380  * This function handles the command response of set/get Tx power
 381  * configurations.
 382  *
 383  * Handling includes changing the header fields into CPU format
 384  * and saving the current Tx power level in driver.
 385  */
 386 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
 387                                     struct host_cmd_ds_command *resp)
 388 {
 389         struct mwifiex_adapter *adapter = priv->adapter;
 390         struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
 391         struct mwifiex_types_power_group *pg_tlv_hdr;
 392         struct mwifiex_power_group *pg;
 393         u16 action = le16_to_cpu(txp_cfg->action);
 394         u16 tlv_buf_left;
 395
 396         pg_tlv_hdr = (struct mwifiex_types_power_group *)
 397                 ((u8 *)txp_cfg +
 398                  sizeof(struct host_cmd_ds_txpwr_cfg));
 399
 400         pg = (struct mwifiex_power_group *)
 401                 ((u8 *)pg_tlv_hdr +
 402                  sizeof(struct mwifiex_types_power_group));
 403
 404         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*txp_cfg);
 405         if (tlv_buf_left <
 406                         le16_to_cpu(pg_tlv_hdr->length) + sizeof(*pg_tlv_hdr))
 407                 return 0;
 408
 409         switch (action) {
 410         case HostCmd_ACT_GEN_GET:
 411                 if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
 412                         mwifiex_get_power_level(priv, pg_tlv_hdr);
 413
 414                 priv->tx_power_level = (u16) pg->power_min;
 415                 break;
 416
 417         case HostCmd_ACT_GEN_SET:
 418                 if (!le32_to_cpu(txp_cfg->mode))
 419                         break;
 420
 421                 if (pg->power_max == pg->power_min)
 422                         priv->tx_power_level = (u16) pg->power_min;
 423                 break;
 424         default:
 425                 mwifiex_dbg(adapter, ERROR,
 426                             "CMD_RESP: unknown cmd action %d\n",
 427                             action);
 428                 return 0;
 429         }
 430         mwifiex_dbg(adapter, INFO,
 431                     "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
 432                     priv->tx_power_level, priv->max_tx_power_level,
 433                     priv->min_tx_power_level);
 434
 435         return 0;
 436 }
 437
 438 /*
 439  * This function handles the command response of get RF Tx power.
 440  */
 441 static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv,
 442                                    struct host_cmd_ds_command *resp)
 443 {
 444         struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp;
 445         u16 action = le16_to_cpu(txp->action);
 446
 447         priv->tx_power_level = le16_to_cpu(txp->cur_level);
 448
 449         if (action == HostCmd_ACT_GEN_GET) {
 450                 priv->max_tx_power_level = txp->max_power;
 451                 priv->min_tx_power_level = txp->min_power;
 452         }
 453
 454         mwifiex_dbg(priv->adapter, INFO,
 455                     "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n",
 456                     priv->tx_power_level, priv->max_tx_power_level,
 457                     priv->min_tx_power_level);
 458
 459         return 0;
 460 }
 461
 462 /*
 463  * This function handles the command response of set rf antenna
 464  */
 465 static int mwifiex_ret_rf_antenna(struct mwifiex_private *priv,
 466                                   struct host_cmd_ds_command *resp)
 467 {
 468         struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo;
 469         struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso;
 470         struct mwifiex_adapter *adapter = priv->adapter;
 471
 472         if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
 473                 priv->tx_ant = le16_to_cpu(ant_mimo->tx_ant_mode);
 474                 priv->rx_ant = le16_to_cpu(ant_mimo->rx_ant_mode);
 475                 mwifiex_dbg(adapter, INFO,
 476                             "RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x\t"
 477                             "Rx action = 0x%x, Rx Mode = 0x%04x\n",
 478                             le16_to_cpu(ant_mimo->action_tx),
 479                             le16_to_cpu(ant_mimo->tx_ant_mode),
 480                             le16_to_cpu(ant_mimo->action_rx),
 481                             le16_to_cpu(ant_mimo->rx_ant_mode));
 482         } else {
 483                 priv->tx_ant = le16_to_cpu(ant_siso->ant_mode);
 484                 priv->rx_ant = le16_to_cpu(ant_siso->ant_mode);
 485                 mwifiex_dbg(adapter, INFO,
 486                             "RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n",
 487                             le16_to_cpu(ant_siso->action),
 488                             le16_to_cpu(ant_siso->ant_mode));
 489         }
 490         return 0;
 491 }
 492
 493 /*
 494  * This function handles the command response of set/get MAC address.
 495  *
 496  * Handling includes saving the MAC address in driver.
 497  */
 498 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
 499                                           struct host_cmd_ds_command *resp)
 500 {
 501         struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
 502                                                         &resp->params.mac_addr;
 503
 504         memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
 505
 506         mwifiex_dbg(priv->adapter, INFO,
 507                     "info: set mac address: %pM\n", priv->curr_addr);
 508
 509         return 0;
 510 }
 511
 512 /*
 513  * This function handles the command response of set/get MAC multicast
 514  * address.
 515  */
 516 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
 517                                          struct host_cmd_ds_command *resp)
 518 {
 519         return 0;
 520 }
 521
 522 /*
 523  * This function handles the command response of get Tx rate query.
 524  *
 525  * Handling includes changing the header fields into CPU format
 526  * and saving the Tx rate and HT information parameters in driver.
 527  *
 528  * Both rate configuration and current data rate can be retrieved
 529  * with this request.
 530  */
 531 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
 532                                             struct host_cmd_ds_command *resp)
 533 {
 534         priv->tx_rate = resp->params.tx_rate.tx_rate;
 535         priv->tx_htinfo = resp->params.tx_rate.ht_info;
 536         if (!priv->is_data_rate_auto)
 537                 priv->data_rate =
 538                         mwifiex_index_to_data_rate(priv, priv->tx_rate,
 539                                                    priv->tx_htinfo);
 540
 541         return 0;
 542 }
 543
 544 /*
 545  * This function handles the command response of a deauthenticate
 546  * command.
 547  *
 548  * If the deauthenticated MAC matches the current BSS MAC, the connection
 549  * state is reset.
 550  */
 551 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
 552                                              struct host_cmd_ds_command *resp)
 553 {
 554         struct mwifiex_adapter *adapter = priv->adapter;
 555
 556         adapter->dbg.num_cmd_deauth++;
 557         if (!memcmp(resp->params.deauth.mac_addr,
 558                     &priv->curr_bss_params.bss_descriptor.mac_address,
 559                     sizeof(resp->params.deauth.mac_addr)))
 560                 mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING,
 561                                             false);
 562
 563         return 0;
 564 }
 565
 566 /*
 567  * This function handles the command response of ad-hoc stop.
 568  *
 569  * The function resets the connection state in driver.
 570  */
 571 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
 572                                           struct host_cmd_ds_command *resp)
 573 {
 574         mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING, false);
 575         return 0;
 576 }
 577
 578 /*
 579  * This function handles the command response of set/get v1 key material.
 580  *
 581  * Handling includes updating the driver parameters to reflect the
 582  * changes.
 583  */
 584 static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv,
 585                                               struct host_cmd_ds_command *resp)
 586 {
 587         struct host_cmd_ds_802_11_key_material *key =
 588                                                 &resp->params.key_material;
 589         int len;
 590
 591         len = le16_to_cpu(key->key_param_set.key_len);
 592         if (len > sizeof(key->key_param_set.key))
 593                 return -EINVAL;
 594
 595         if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
 596                 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
 597                         mwifiex_dbg(priv->adapter, INFO,
 598                                     "info: key: GTK is set\n");
 599                         priv->wpa_is_gtk_set = true;
 600                         priv->scan_block = false;
 601                         priv->port_open = true;
 602                 }
 603         }
 604
 605         memset(priv->aes_key.key_param_set.key, 0,
 606                sizeof(key->key_param_set.key));
 607         priv->aes_key.key_param_set.key_len = cpu_to_le16(len);
 608         memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key, len);
 609
 610         return 0;
 611 }
 612
 613 /*
 614  * This function handles the command response of set/get v2 key material.
 615  *
 616  * Handling includes updating the driver parameters to reflect the
 617  * changes.
 618  */
 619 static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
 620                                               struct host_cmd_ds_command *resp)
 621 {
 622         struct host_cmd_ds_802_11_key_material_v2 *key_v2;
 623         int len;
 624
 625         key_v2 = &resp->params.key_material_v2;
 626
 627         len = le16_to_cpu(key_v2->key_param_set.key_params.aes.key_len);
 628         if (len > sizeof(key_v2->key_param_set.key_params.aes.key))
 629                 return -EINVAL;
 630
 631         if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) {
 632                 if ((le16_to_cpu(key_v2->key_param_set.key_info) & KEY_MCAST)) {
 633                         mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is set\n");
 634                         priv->wpa_is_gtk_set = true;
 635                         priv->scan_block = false;
 636                         priv->port_open = true;
 637                 }
 638         }
 639
 640         if (key_v2->key_param_set.key_type != KEY_TYPE_ID_AES)
 641                 return 0;
 642
 643         memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0,
 644                sizeof(key_v2->key_param_set.key_params.aes.key));
 645         priv->aes_key_v2.key_param_set.key_params.aes.key_len =
 646                                 cpu_to_le16(len);
 647         memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key,
 648                key_v2->key_param_set.key_params.aes.key, len);
 649
 650         return 0;
 651 }
 652
 653 /* Wrapper function for processing response of key material command */
 654 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
 655                                            struct host_cmd_ds_command *resp)
 656 {
 657         if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
 658                 return mwifiex_ret_802_11_key_material_v2(priv, resp);
 659         else
 660                 return mwifiex_ret_802_11_key_material_v1(priv, resp);
 661 }
 662
 663 /*
 664  * This function handles the command response of get 11d domain information.
 665  */
 666 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
 667                                            struct host_cmd_ds_command *resp)
 668 {
 669         struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
 670                 &resp->params.domain_info_resp;
 671         struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
 672         u16 action = le16_to_cpu(domain_info->action);
 673         u8 no_of_triplet;
 674
 675         no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
 676                                 - IEEE80211_COUNTRY_STRING_LEN)
 677                               / sizeof(struct ieee80211_country_ie_triplet));
 678
 679         mwifiex_dbg(priv->adapter, INFO,
 680                     "info: 11D Domain Info Resp: no_of_triplet=%d\n",
 681                     no_of_triplet);
 682
 683         if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
 684                 mwifiex_dbg(priv->adapter, FATAL,
 685                             "11D: invalid number of triplets %d returned\n",
 686                             no_of_triplet);
 687                 return -1;
 688         }
 689
 690         switch (action) {
 691         case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
 692                 break;
 693         case HostCmd_ACT_GEN_GET:
 694                 break;
 695         default:
 696                 mwifiex_dbg(priv->adapter, ERROR,
 697                             "11D: invalid action:%d\n", domain_info->action);
 698                 return -1;
 699         }
 700
 701         return 0;
 702 }
 703
 704 /*
 705  * This function handles the command response of get extended version.
 706  *
 707  * Handling includes forming the extended version string and sending it
 708  * to application.
 709  */
 710 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
 711                                struct host_cmd_ds_command *resp,
 712                                struct host_cmd_ds_version_ext *version_ext)
 713 {
 714         struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
 715
 716         if (version_ext) {
 717                 version_ext->version_str_sel = ver_ext->version_str_sel;
 718                 memcpy(version_ext->version_str, ver_ext->version_str,
 719                        sizeof(char) * 128);
 720                 memcpy(priv->version_str, ver_ext->version_str, 128);
 721         }
 722         return 0;
 723 }
 724
 725 /*
 726  * This function handles the command response of remain on channel.
 727  */
 728 static int
 729 mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
 730                            struct host_cmd_ds_command *resp,
 731                            struct host_cmd_ds_remain_on_chan *roc_cfg)
 732 {
 733         struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
 734
 735         if (roc_cfg)
 736                 memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
 737
 738         return 0;
 739 }
 740
 741 /*
 742  * This function handles the command response of P2P mode cfg.
 743  */
 744 static int
 745 mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
 746                          struct host_cmd_ds_command *resp,
 747                          void *data_buf)
 748 {
 749         struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
 750
 751         if (data_buf)
 752                 *((u16 *)data_buf) = le16_to_cpu(mode_cfg->mode);
 753
 754         return 0;
 755 }
 756
 757 /* This function handles the command response of mem_access command
 758  */
 759 static int
 760 mwifiex_ret_mem_access(struct mwifiex_private *priv,
 761                        struct host_cmd_ds_command *resp, void *pioctl_buf)
 762 {
 763         struct host_cmd_ds_mem_access *mem = (void *)&resp->params.mem;
 764
 765         priv->mem_rw.addr = le32_to_cpu(mem->addr);
 766         priv->mem_rw.value = le32_to_cpu(mem->value);
 767
 768         return 0;
 769 }
 770 /*
 771  * This function handles the command response of register access.
 772  *
 773  * The register value and offset are returned to the user. For EEPROM
 774  * access, the byte count is also returned.
 775  */
 776 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
 777                                   void *data_buf)
 778 {
 779         struct mwifiex_ds_reg_rw *reg_rw;
 780         struct mwifiex_ds_read_eeprom *eeprom;
 781         union reg {
 782                 struct host_cmd_ds_mac_reg_access *mac;
 783                 struct host_cmd_ds_bbp_reg_access *bbp;
 784                 struct host_cmd_ds_rf_reg_access *rf;
 785                 struct host_cmd_ds_pmic_reg_access *pmic;
 786                 struct host_cmd_ds_802_11_eeprom_access *eeprom;
 787         } r;
 788
 789         if (!data_buf)
 790                 return 0;
 791
 792         reg_rw = data_buf;
 793         eeprom = data_buf;
 794         switch (type) {
 795         case HostCmd_CMD_MAC_REG_ACCESS:
 796                 r.mac = &resp->params.mac_reg;
 797                 reg_rw->offset = (u32) le16_to_cpu(r.mac->offset);
 798                 reg_rw->value = le32_to_cpu(r.mac->value);
 799                 break;
 800         case HostCmd_CMD_BBP_REG_ACCESS:
 801                 r.bbp = &resp->params.bbp_reg;
 802                 reg_rw->offset = (u32) le16_to_cpu(r.bbp->offset);
 803                 reg_rw->value = (u32) r.bbp->value;
 804                 break;
 805
 806         case HostCmd_CMD_RF_REG_ACCESS:
 807                 r.rf = &resp->params.rf_reg;
 808                 reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
 809                 reg_rw->value = (u32) r.bbp->value;
 810                 break;
 811         case HostCmd_CMD_PMIC_REG_ACCESS:
 812                 r.pmic = &resp->params.pmic_reg;
 813                 reg_rw->offset = (u32) le16_to_cpu(r.pmic->offset);
 814                 reg_rw->value = (u32) r.pmic->value;
 815                 break;
 816         case HostCmd_CMD_CAU_REG_ACCESS:
 817                 r.rf = &resp->params.rf_reg;
 818                 reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
 819                 reg_rw->value = (u32) r.rf->value;
 820                 break;
 821         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 822                 r.eeprom = &resp->params.eeprom;
 823                 pr_debug("info: EEPROM read len=%x\n",
 824                                 le16_to_cpu(r.eeprom->byte_count));
 825                 if (eeprom->byte_count < le16_to_cpu(r.eeprom->byte_count)) {
 826                         eeprom->byte_count = 0;
 827                         pr_debug("info: EEPROM read length is too big\n");
 828                         return -1;
 829                 }
 830                 eeprom->offset = le16_to_cpu(r.eeprom->offset);
 831                 eeprom->byte_count = le16_to_cpu(r.eeprom->byte_count);
 832                 if (eeprom->byte_count > 0)
 833                         memcpy(&eeprom->value, &r.eeprom->value,
 834                                min((u16)MAX_EEPROM_DATA, eeprom->byte_count));
 835                 break;
 836         default:
 837                 return -1;
 838         }
 839         return 0;
 840 }
 841
 842 /*
 843  * This function handles the command response of get IBSS coalescing status.
 844  *
 845  * If the received BSSID is different than the current one, the current BSSID,
 846  * beacon interval, ATIM window and ERP information are updated, along with
 847  * changing the ad-hoc state accordingly.
 848  */
 849 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
 850                                               struct host_cmd_ds_command *resp)
 851 {
 852         struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
 853                                         &(resp->params.ibss_coalescing);
 854
 855         if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
 856                 return 0;
 857
 858         mwifiex_dbg(priv->adapter, INFO,
 859                     "info: new BSSID %pM\n", ibss_coal_resp->bssid);
 860
 861         /* If rsp has NULL BSSID, Just return..... No Action */
 862         if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
 863                 mwifiex_dbg(priv->adapter, FATAL, "new BSSID is NULL\n");
 864                 return 0;
 865         }
 866
 867         /* If BSSID is diff, modify current BSS parameters */
 868         if (!ether_addr_equal(priv->curr_bss_params.bss_descriptor.mac_address, ibss_coal_resp->bssid)) {
 869                 /* BSSID */
 870                 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
 871                        ibss_coal_resp->bssid, ETH_ALEN);
 872
 873                 /* Beacon Interval */
 874                 priv->curr_bss_params.bss_descriptor.beacon_period
 875                         = le16_to_cpu(ibss_coal_resp->beacon_interval);
 876
 877                 /* ERP Information */
 878                 priv->curr_bss_params.bss_descriptor.erp_flags =
 879                         (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
 880
 881                 priv->adhoc_state = ADHOC_COALESCED;
 882         }
 883
 884         return 0;
 885 }
 886 static int mwifiex_ret_tdls_oper(struct mwifiex_private *priv,
 887                                  struct host_cmd_ds_command *resp)
 888 {
 889         struct host_cmd_ds_tdls_oper *cmd_tdls_oper = &resp->params.tdls_oper;
 890         u16 reason = le16_to_cpu(cmd_tdls_oper->reason);
 891         u16 action = le16_to_cpu(cmd_tdls_oper->tdls_action);
 892         struct mwifiex_sta_node *node =
 893                            mwifiex_get_sta_entry(priv, cmd_tdls_oper->peer_mac);
 894
 895         switch (action) {
 896         case ACT_TDLS_DELETE:
 897                 if (reason) {
 898                         if (!node || reason == TDLS_ERR_LINK_NONEXISTENT)
 899                                 mwifiex_dbg(priv->adapter, MSG,
 900                                             "TDLS link delete for %pM failed: reason %d\n",
 901                                             cmd_tdls_oper->peer_mac, reason);
 902                         else
 903                                 mwifiex_dbg(priv->adapter, ERROR,
 904                                             "TDLS link delete for %pM failed: reason %d\n",
 905                                             cmd_tdls_oper->peer_mac, reason);
 906                 } else {
 907                         mwifiex_dbg(priv->adapter, MSG,
 908                                     "TDLS link delete for %pM successful\n",
 909                                     cmd_tdls_oper->peer_mac);
 910                 }
 911                 break;
 912         case ACT_TDLS_CREATE:
 913                 if (reason) {
 914                         mwifiex_dbg(priv->adapter, ERROR,
 915                                     "TDLS link creation for %pM failed: reason %d",
 916                                     cmd_tdls_oper->peer_mac, reason);
 917                         if (node && reason != TDLS_ERR_LINK_EXISTS)
 918                                 node->tdls_status = TDLS_SETUP_FAILURE;
 919                 } else {
 920                         mwifiex_dbg(priv->adapter, MSG,
 921                                     "TDLS link creation for %pM successful",
 922                                     cmd_tdls_oper->peer_mac);
 923                 }
 924                 break;
 925         case ACT_TDLS_CONFIG:
 926                 if (reason) {
 927                         mwifiex_dbg(priv->adapter, ERROR,
 928                                     "TDLS link config for %pM failed, reason %d\n",
 929                                     cmd_tdls_oper->peer_mac, reason);
 930                         if (node)
 931                                 node->tdls_status = TDLS_SETUP_FAILURE;
 932                 } else {
 933                         mwifiex_dbg(priv->adapter, MSG,
 934                                     "TDLS link config for %pM successful\n",
 935                                     cmd_tdls_oper->peer_mac);
 936                 }
 937                 break;
 938         default:
 939                 mwifiex_dbg(priv->adapter, ERROR,
 940                             "Unknown TDLS command action response %d", action);
 941                 return -1;
 942         }
 943
 944         return 0;
 945 }
 946 /*
 947  * This function handles the command response for subscribe event command.
 948  */
 949 static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
 950                                  struct host_cmd_ds_command *resp)
 951 {
 952         struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
 953                 &resp->params.subsc_evt;
 954
 955         /* For every subscribe event command (Get/Set/Clear), FW reports the
 956          * current set of subscribed events*/
 957         mwifiex_dbg(priv->adapter, EVENT,
 958                     "Bitmap of currently subscribed events: %16x\n",
 959                     le16_to_cpu(cmd_sub_event->events));
 960
 961         return 0;
 962 }
 963
 964 static int mwifiex_ret_uap_sta_list(struct mwifiex_private *priv,
 965                                     struct host_cmd_ds_command *resp)
 966 {
 967         struct host_cmd_ds_sta_list *sta_list =
 968                 &resp->params.sta_list;
 969         struct mwifiex_ie_types_sta_info *sta_info = (void *)&sta_list->tlv;
 970         int i;
 971         struct mwifiex_sta_node *sta_node;
 972
 973         for (i = 0; i < (le16_to_cpu(sta_list->sta_count)); i++) {
 974                 sta_node = mwifiex_get_sta_entry(priv, sta_info->mac);
 975                 if (unlikely(!sta_node))
 976                         continue;
 977
 978                 sta_node->stats.rssi = sta_info->rssi;
 979                 sta_info++;
 980         }
 981
 982         return 0;
 983 }
 984
 985 /* This function handles the command response of set_cfg_data */
 986 static int mwifiex_ret_cfg_data(struct mwifiex_private *priv,
 987                                 struct host_cmd_ds_command *resp)
 988 {
 989         if (resp->result != HostCmd_RESULT_OK) {
 990                 mwifiex_dbg(priv->adapter, ERROR, "Cal data cmd resp failed\n");
 991                 return -1;
 992         }
 993
 994         return 0;
 995 }
 996
 997 /** This Function handles the command response of sdio rx aggr */
 998 static int mwifiex_ret_sdio_rx_aggr_cfg(struct mwifiex_private *priv,
 999                                         struct host_cmd_ds_command *resp)
1000 {
1001         struct mwifiex_adapter *adapter = priv->adapter;
1002         struct host_cmd_sdio_sp_rx_aggr_cfg *cfg =
1003                                 &resp->params.sdio_rx_aggr_cfg;
1004
1005         adapter->sdio_rx_aggr_enable = cfg->enable;
1006         adapter->sdio_rx_block_size = le16_to_cpu(cfg->block_size);
1007
1008         return 0;
1009 }
1010
1011 static int mwifiex_ret_robust_coex(struct mwifiex_private *priv,
1012                                    struct host_cmd_ds_command *resp,
1013                                    bool *is_timeshare)
1014 {
1015         struct host_cmd_ds_robust_coex *coex = &resp->params.coex;
1016         struct mwifiex_ie_types_robust_coex *coex_tlv;
1017         u16 action = le16_to_cpu(coex->action);
1018         u32 mode;
1019
1020         coex_tlv = (struct mwifiex_ie_types_robust_coex
1021                     *)((u8 *)coex + sizeof(struct host_cmd_ds_robust_coex));
1022         if (action == HostCmd_ACT_GEN_GET) {
1023                 mode = le32_to_cpu(coex_tlv->mode);
1024                 if (mode == MWIFIEX_COEX_MODE_TIMESHARE)
1025                         *is_timeshare = true;
1026                 else
1027                         *is_timeshare = false;
1028         }
1029
1030         return 0;
1031 }
1032
1033 static struct ieee80211_regdomain *
1034 mwifiex_create_custom_regdomain(struct mwifiex_private *priv,
1035                                 u8 *buf, u16 buf_len)
1036 {
1037         u16 num_chan = buf_len / 2;
1038         struct ieee80211_regdomain *regd;
1039         struct ieee80211_reg_rule *rule;
1040         bool new_rule;
1041         int regd_size, idx, freq, prev_freq = 0;
1042         u32 bw, prev_bw = 0;
1043         u8 chflags, prev_chflags = 0, valid_rules = 0;
1044
1045         if (WARN_ON_ONCE(num_chan > NL80211_MAX_SUPP_REG_RULES))
1046                 return ERR_PTR(-EINVAL);
1047
1048         regd_size = sizeof(struct ieee80211_regdomain) +
1049                     num_chan * sizeof(struct ieee80211_reg_rule);
1050
1051         regd = kzalloc(regd_size, GFP_KERNEL);
1052         if (!regd)
1053                 return ERR_PTR(-ENOMEM);
1054
1055         for (idx = 0; idx < num_chan; idx++) {
1056                 u8 chan;
1057                 enum nl80211_band band;
1058
1059                 chan = *buf++;
1060                 if (!chan) {
1061                         kfree(regd);
1062                         return NULL;
1063                 }
1064                 chflags = *buf++;
1065                 band = (chan <= 14) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
1066                 freq = ieee80211_channel_to_frequency(chan, band);
1067                 new_rule = false;
1068
1069                 if (chflags & MWIFIEX_CHANNEL_DISABLED)
1070                         continue;
1071
1072                 if (band == NL80211_BAND_5GHZ) {
1073                         if (!(chflags & MWIFIEX_CHANNEL_NOHT80))
1074                                 bw = MHZ_TO_KHZ(80);
1075                         else if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1076                                 bw = MHZ_TO_KHZ(40);
1077                         else
1078                                 bw = MHZ_TO_KHZ(20);
1079                 } else {
1080                         if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1081                                 bw = MHZ_TO_KHZ(40);
1082                         else
1083                                 bw = MHZ_TO_KHZ(20);
1084                 }
1085
1086                 if (idx == 0 || prev_chflags != chflags || prev_bw != bw ||
1087                     freq - prev_freq > 20) {
1088                         valid_rules++;
1089                         new_rule = true;
1090                 }
1091
1092                 rule = &regd->reg_rules[valid_rules - 1];
1093
1094                 rule->freq_range.end_freq_khz = MHZ_TO_KHZ(freq + 10);
1095
1096                 prev_chflags = chflags;
1097                 prev_freq = freq;
1098                 prev_bw = bw;
1099
1100                 if (!new_rule)
1101                         continue;
1102
1103                 rule->freq_range.start_freq_khz = MHZ_TO_KHZ(freq - 10);
1104                 rule->power_rule.max_eirp = DBM_TO_MBM(19);
1105
1106                 if (chflags & MWIFIEX_CHANNEL_PASSIVE)
1107                         rule->flags = NL80211_RRF_NO_IR;
1108
1109                 if (chflags & MWIFIEX_CHANNEL_DFS)
1110                         rule->flags = NL80211_RRF_DFS;
1111
1112                 rule->freq_range.max_bandwidth_khz = bw;
1113         }
1114
1115         regd->n_reg_rules = valid_rules;
1116         regd->alpha2[0] = '9';
1117         regd->alpha2[1] = '9';
1118
1119         return regd;
1120 }
1121
1122 static int mwifiex_ret_chan_region_cfg(struct mwifiex_private *priv,
1123                                        struct host_cmd_ds_command *resp)
1124 {
1125         struct host_cmd_ds_chan_region_cfg *reg = &resp->params.reg_cfg;
1126         u16 action = le16_to_cpu(reg->action);
1127         u16 tlv, tlv_buf_len, tlv_buf_left;
1128         struct mwifiex_ie_types_header *head;
1129         struct ieee80211_regdomain *regd;
1130         u8 *tlv_buf;
1131
1132         if (action != HostCmd_ACT_GEN_GET)
1133                 return 0;
1134
1135         tlv_buf = (u8 *)reg + sizeof(*reg);
1136         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*reg);
1137
1138         while (tlv_buf_left >= sizeof(*head)) {
1139                 head = (struct mwifiex_ie_types_header *)tlv_buf;
1140                 tlv = le16_to_cpu(head->type);
1141                 tlv_buf_len = le16_to_cpu(head->len);
1142
1143                 if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
1144                         break;
1145
1146                 switch (tlv) {
1147                 case TLV_TYPE_CHAN_ATTR_CFG:
1148                         mwifiex_dbg_dump(priv->adapter, CMD_D, "CHAN:",
1149                                          (u8 *)head + sizeof(*head),
1150                                          tlv_buf_len);
1151                         regd = mwifiex_create_custom_regdomain(priv,
1152                                 (u8 *)head + sizeof(*head), tlv_buf_len);
1153                         if (!IS_ERR(regd))
1154                                 priv->adapter->regd = regd;
1155                         break;
1156                 }
1157
1158                 tlv_buf += (sizeof(*head) + tlv_buf_len);
1159                 tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
1160         }
1161
1162         return 0;
1163 }
1164
1165 /*
1166  * This function handles the command responses.
1167  *
1168  * This is a generic function, which calls command specific
1169  * response handlers based on the command ID.
1170  */
1171 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
1172                                 struct host_cmd_ds_command *resp)
1173 {
1174         int ret = 0;
1175         struct mwifiex_adapter *adapter = priv->adapter;
1176         void *data_buf = adapter->curr_cmd->data_buf;
1177
1178         /* If the command is not successful, cleanup and return failure */
1179         if (resp->result != HostCmd_RESULT_OK) {
1180                 mwifiex_process_cmdresp_error(priv, resp);
1181                 return -1;
1182         }
1183         /* Command successful, handle response */
1184         switch (cmdresp_no) {
1185         case HostCmd_CMD_GET_HW_SPEC:
1186                 ret = mwifiex_ret_get_hw_spec(priv, resp);
1187                 break;
1188         case HostCmd_CMD_CFG_DATA:
1189                 ret = mwifiex_ret_cfg_data(priv, resp);
1190                 break;
1191         case HostCmd_CMD_MAC_CONTROL:
1192                 break;
1193         case HostCmd_CMD_802_11_MAC_ADDRESS:
1194                 ret = mwifiex_ret_802_11_mac_address(priv, resp);
1195                 break;
1196         case HostCmd_CMD_MAC_MULTICAST_ADR:
1197                 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
1198                 break;
1199         case HostCmd_CMD_TX_RATE_CFG:
1200                 ret = mwifiex_ret_tx_rate_cfg(priv, resp);
1201                 break;
1202         case HostCmd_CMD_802_11_SCAN:
1203                 ret = mwifiex_ret_802_11_scan(priv, resp);
1204                 adapter->curr_cmd->wait_q_enabled = false;
1205                 break;
1206         case HostCmd_CMD_802_11_SCAN_EXT:
1207                 ret = mwifiex_ret_802_11_scan_ext(priv, resp);
1208                 adapter->curr_cmd->wait_q_enabled = false;
1209                 break;
1210         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
1211                 ret = mwifiex_ret_802_11_scan(priv, resp);
1212                 cfg80211_sched_scan_results(priv->wdev.wiphy);
1213                 mwifiex_dbg(adapter, CMD,
1214                             "info: CMD_RESP: BG_SCAN result is ready!\n");
1215                 break;
1216         case HostCmd_CMD_802_11_BG_SCAN_CONFIG:
1217                 break;
1218         case HostCmd_CMD_TXPWR_CFG:
1219                 ret = mwifiex_ret_tx_power_cfg(priv, resp);
1220                 break;
1221         case HostCmd_CMD_RF_TX_PWR:
1222                 ret = mwifiex_ret_rf_tx_power(priv, resp);
1223                 break;
1224         case HostCmd_CMD_RF_ANTENNA:
1225                 ret = mwifiex_ret_rf_antenna(priv, resp);
1226                 break;
1227         case HostCmd_CMD_802_11_PS_MODE_ENH:
1228                 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
1229                 break;
1230         case HostCmd_CMD_802_11_HS_CFG_ENH:
1231                 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
1232                 break;
1233         case HostCmd_CMD_802_11_ASSOCIATE:
1234                 ret = mwifiex_ret_802_11_associate(priv, resp);
1235                 break;
1236         case HostCmd_CMD_802_11_DEAUTHENTICATE:
1237                 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
1238                 break;
1239         case HostCmd_CMD_802_11_AD_HOC_START:
1240         case HostCmd_CMD_802_11_AD_HOC_JOIN:
1241                 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
1242                 break;
1243         case HostCmd_CMD_802_11_AD_HOC_STOP:
1244                 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
1245                 break;
1246         case HostCmd_CMD_802_11_GET_LOG:
1247                 ret = mwifiex_ret_get_log(priv, resp, data_buf);
1248                 break;
1249         case HostCmd_CMD_RSSI_INFO:
1250                 ret = mwifiex_ret_802_11_rssi_info(priv, resp);
1251                 break;
1252         case HostCmd_CMD_802_11_SNMP_MIB:
1253                 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
1254                 break;
1255         case HostCmd_CMD_802_11_TX_RATE_QUERY:
1256                 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
1257                 break;
1258         case HostCmd_CMD_VERSION_EXT:
1259                 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
1260                 break;
1261         case HostCmd_CMD_REMAIN_ON_CHAN:
1262                 ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
1263                 break;
1264         case HostCmd_CMD_11AC_CFG:
1265                 break;
1266         case HostCmd_CMD_P2P_MODE_CFG:
1267                 ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
1268                 break;
1269         case HostCmd_CMD_MGMT_FRAME_REG:
1270         case HostCmd_CMD_FUNC_INIT:
1271         case HostCmd_CMD_FUNC_SHUTDOWN:
1272                 break;
1273         case HostCmd_CMD_802_11_KEY_MATERIAL:
1274                 ret = mwifiex_ret_802_11_key_material(priv, resp);
1275                 break;
1276         case HostCmd_CMD_802_11D_DOMAIN_INFO:
1277                 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
1278                 break;
1279         case HostCmd_CMD_11N_ADDBA_REQ:
1280                 ret = mwifiex_ret_11n_addba_req(priv, resp);
1281                 break;
1282         case HostCmd_CMD_11N_DELBA:
1283                 ret = mwifiex_ret_11n_delba(priv, resp);
1284                 break;
1285         case HostCmd_CMD_11N_ADDBA_RSP:
1286                 ret = mwifiex_ret_11n_addba_resp(priv, resp);
1287                 break;
1288         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
1289                 if (0xffff == (u16)le16_to_cpu(resp->params.tx_buf.buff_size)) {
1290                         if (adapter->iface_type == MWIFIEX_USB &&
1291                             adapter->usb_mc_setup) {
1292                                 if (adapter->if_ops.multi_port_resync)
1293                                         adapter->if_ops.
1294                                                 multi_port_resync(adapter);
1295                                 adapter->usb_mc_setup = false;
1296                                 adapter->tx_lock_flag = false;
1297                         }
1298                         break;
1299                 }
1300                 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
1301                                                              tx_buf.buff_size);
1302                 adapter->tx_buf_size = (adapter->tx_buf_size
1303                                         / MWIFIEX_SDIO_BLOCK_SIZE)
1304                                        * MWIFIEX_SDIO_BLOCK_SIZE;
1305                 adapter->curr_tx_buf_size = adapter->tx_buf_size;
1306                 mwifiex_dbg(adapter, CMD, "cmd: curr_tx_buf_size=%d\n",
1307                             adapter->curr_tx_buf_size);
1308
1309                 if (adapter->if_ops.update_mp_end_port)
1310                         adapter->if_ops.update_mp_end_port(adapter,
1311                                 le16_to_cpu(resp->params.tx_buf.mp_end_port));
1312                 break;
1313         case HostCmd_CMD_AMSDU_AGGR_CTRL:
1314                 break;
1315         case HostCmd_CMD_WMM_GET_STATUS:
1316                 ret = mwifiex_ret_wmm_get_status(priv, resp);
1317                 break;
1318         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
1319                 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
1320                 break;
1321         case HostCmd_CMD_MEM_ACCESS:
1322                 ret = mwifiex_ret_mem_access(priv, resp, data_buf);
1323                 break;
1324         case HostCmd_CMD_MAC_REG_ACCESS:
1325         case HostCmd_CMD_BBP_REG_ACCESS:
1326         case HostCmd_CMD_RF_REG_ACCESS:
1327         case HostCmd_CMD_PMIC_REG_ACCESS:
1328         case HostCmd_CMD_CAU_REG_ACCESS:
1329         case HostCmd_CMD_802_11_EEPROM_ACCESS:
1330                 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
1331                 break;
1332         case HostCmd_CMD_SET_BSS_MODE:
1333                 break;
1334         case HostCmd_CMD_11N_CFG:
1335                 break;
1336         case HostCmd_CMD_PCIE_DESC_DETAILS:
1337                 break;
1338         case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
1339                 ret = mwifiex_ret_subsc_evt(priv, resp);
1340                 break;
1341         case HostCmd_CMD_UAP_SYS_CONFIG:
1342                 break;
1343         case HOST_CMD_APCMD_STA_LIST:
1344                 ret = mwifiex_ret_uap_sta_list(priv, resp);
1345                 break;
1346         case HostCmd_CMD_UAP_BSS_START:
1347                 adapter->tx_lock_flag = false;
1348                 adapter->pps_uapsd_mode = false;
1349                 adapter->delay_null_pkt = false;
1350                 priv->bss_started = 1;
1351                 break;
1352         case HostCmd_CMD_UAP_BSS_STOP:
1353                 priv->bss_started = 0;
1354                 break;
1355         case HostCmd_CMD_UAP_STA_DEAUTH:
1356                 break;
1357         case HOST_CMD_APCMD_SYS_RESET:
1358                 break;
1359         case HostCmd_CMD_MEF_CFG:
1360                 break;
1361         case HostCmd_CMD_COALESCE_CFG:
1362                 break;
1363         case HostCmd_CMD_TDLS_OPER:
1364                 ret = mwifiex_ret_tdls_oper(priv, resp);
1365         case HostCmd_CMD_MC_POLICY:
1366                 break;
1367         case HostCmd_CMD_CHAN_REPORT_REQUEST:
1368                 break;
1369         case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
1370                 ret = mwifiex_ret_sdio_rx_aggr_cfg(priv, resp);
1371                 break;
1372         case HostCmd_CMD_HS_WAKEUP_REASON:
1373                 ret = mwifiex_ret_wakeup_reason(priv, resp, data_buf);
1374                 break;
1375         case HostCmd_CMD_TDLS_CONFIG:
1376                 break;
1377         case HostCmd_CMD_ROBUST_COEX:
1378                 ret = mwifiex_ret_robust_coex(priv, resp, data_buf);
1379                 break;
1380         case HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG:
1381                 break;
1382         case HostCmd_CMD_CHAN_REGION_CFG:
1383                 ret = mwifiex_ret_chan_region_cfg(priv, resp);
1384                 break;
1385         default:
1386                 mwifiex_dbg(adapter, ERROR,
1387                             "CMD_RESP: unknown cmd response %#x\n",
1388                             resp->command);
1389                 break;
1390         }
1391
1392         return ret;
1393 }