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
 590         if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
 591                 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
 592                         mwifiex_dbg(priv->adapter, INFO,
 593                                     "info: key: GTK is set\n");
 594                         priv->wpa_is_gtk_set = true;
 595                         priv->scan_block = false;
 596                         priv->port_open = true;
 597                 }
 598         }
 599
 600         memset(priv->aes_key.key_param_set.key, 0,
 601                sizeof(key->key_param_set.key));
 602         priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
 603         memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
 604                le16_to_cpu(priv->aes_key.key_param_set.key_len));
 605
 606         return 0;
 607 }
 608
 609 /*
 610  * This function handles the command response of set/get v2 key material.
 611  *
 612  * Handling includes updating the driver parameters to reflect the
 613  * changes.
 614  */
 615 static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
 616                                               struct host_cmd_ds_command *resp)
 617 {
 618         struct host_cmd_ds_802_11_key_material_v2 *key_v2;
 619         __le16 len;
 620
 621         key_v2 = &resp->params.key_material_v2;
 622         if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) {
 623                 if ((le16_to_cpu(key_v2->key_param_set.key_info) & KEY_MCAST)) {
 624                         mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is set\n");
 625                         priv->wpa_is_gtk_set = true;
 626                         priv->scan_block = false;
 627                         priv->port_open = true;
 628                 }
 629         }
 630
 631         if (key_v2->key_param_set.key_type != KEY_TYPE_ID_AES)
 632                 return 0;
 633
 634         memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0,
 635                WLAN_KEY_LEN_CCMP);
 636         priv->aes_key_v2.key_param_set.key_params.aes.key_len =
 637                                 key_v2->key_param_set.key_params.aes.key_len;
 638         len = priv->aes_key_v2.key_param_set.key_params.aes.key_len;
 639         memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key,
 640                key_v2->key_param_set.key_params.aes.key, le16_to_cpu(len));
 641
 642         return 0;
 643 }
 644
 645 /* Wrapper function for processing response of key material command */
 646 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
 647                                            struct host_cmd_ds_command *resp)
 648 {
 649         if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
 650                 return mwifiex_ret_802_11_key_material_v2(priv, resp);
 651         else
 652                 return mwifiex_ret_802_11_key_material_v1(priv, resp);
 653 }
 654
 655 /*
 656  * This function handles the command response of get 11d domain information.
 657  */
 658 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
 659                                            struct host_cmd_ds_command *resp)
 660 {
 661         struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
 662                 &resp->params.domain_info_resp;
 663         struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
 664         u16 action = le16_to_cpu(domain_info->action);
 665         u8 no_of_triplet;
 666
 667         no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
 668                                 - IEEE80211_COUNTRY_STRING_LEN)
 669                               / sizeof(struct ieee80211_country_ie_triplet));
 670
 671         mwifiex_dbg(priv->adapter, INFO,
 672                     "info: 11D Domain Info Resp: no_of_triplet=%d\n",
 673                     no_of_triplet);
 674
 675         if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
 676                 mwifiex_dbg(priv->adapter, FATAL,
 677                             "11D: invalid number of triplets %d returned\n",
 678                             no_of_triplet);
 679                 return -1;
 680         }
 681
 682         switch (action) {
 683         case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
 684                 break;
 685         case HostCmd_ACT_GEN_GET:
 686                 break;
 687         default:
 688                 mwifiex_dbg(priv->adapter, ERROR,
 689                             "11D: invalid action:%d\n", domain_info->action);
 690                 return -1;
 691         }
 692
 693         return 0;
 694 }
 695
 696 /*
 697  * This function handles the command response of get extended version.
 698  *
 699  * Handling includes forming the extended version string and sending it
 700  * to application.
 701  */
 702 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
 703                                struct host_cmd_ds_command *resp,
 704                                struct host_cmd_ds_version_ext *version_ext)
 705 {
 706         struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
 707
 708         if (version_ext) {
 709                 version_ext->version_str_sel = ver_ext->version_str_sel;
 710                 memcpy(version_ext->version_str, ver_ext->version_str,
 711                        sizeof(char) * 128);
 712                 memcpy(priv->version_str, ver_ext->version_str, 128);
 713         }
 714         return 0;
 715 }
 716
 717 /*
 718  * This function handles the command response of remain on channel.
 719  */
 720 static int
 721 mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
 722                            struct host_cmd_ds_command *resp,
 723                            struct host_cmd_ds_remain_on_chan *roc_cfg)
 724 {
 725         struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
 726
 727         if (roc_cfg)
 728                 memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
 729
 730         return 0;
 731 }
 732
 733 /*
 734  * This function handles the command response of P2P mode cfg.
 735  */
 736 static int
 737 mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
 738                          struct host_cmd_ds_command *resp,
 739                          void *data_buf)
 740 {
 741         struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
 742
 743         if (data_buf)
 744                 *((u16 *)data_buf) = le16_to_cpu(mode_cfg->mode);
 745
 746         return 0;
 747 }
 748
 749 /* This function handles the command response of mem_access command
 750  */
 751 static int
 752 mwifiex_ret_mem_access(struct mwifiex_private *priv,
 753                        struct host_cmd_ds_command *resp, void *pioctl_buf)
 754 {
 755         struct host_cmd_ds_mem_access *mem = (void *)&resp->params.mem;
 756
 757         priv->mem_rw.addr = le32_to_cpu(mem->addr);
 758         priv->mem_rw.value = le32_to_cpu(mem->value);
 759
 760         return 0;
 761 }
 762 /*
 763  * This function handles the command response of register access.
 764  *
 765  * The register value and offset are returned to the user. For EEPROM
 766  * access, the byte count is also returned.
 767  */
 768 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
 769                                   void *data_buf)
 770 {
 771         struct mwifiex_ds_reg_rw *reg_rw;
 772         struct mwifiex_ds_read_eeprom *eeprom;
 773         union reg {
 774                 struct host_cmd_ds_mac_reg_access *mac;
 775                 struct host_cmd_ds_bbp_reg_access *bbp;
 776                 struct host_cmd_ds_rf_reg_access *rf;
 777                 struct host_cmd_ds_pmic_reg_access *pmic;
 778                 struct host_cmd_ds_802_11_eeprom_access *eeprom;
 779         } r;
 780
 781         if (!data_buf)
 782                 return 0;
 783
 784         reg_rw = data_buf;
 785         eeprom = data_buf;
 786         switch (type) {
 787         case HostCmd_CMD_MAC_REG_ACCESS:
 788                 r.mac = &resp->params.mac_reg;
 789                 reg_rw->offset = (u32) le16_to_cpu(r.mac->offset);
 790                 reg_rw->value = le32_to_cpu(r.mac->value);
 791                 break;
 792         case HostCmd_CMD_BBP_REG_ACCESS:
 793                 r.bbp = &resp->params.bbp_reg;
 794                 reg_rw->offset = (u32) le16_to_cpu(r.bbp->offset);
 795                 reg_rw->value = (u32) r.bbp->value;
 796                 break;
 797
 798         case HostCmd_CMD_RF_REG_ACCESS:
 799                 r.rf = &resp->params.rf_reg;
 800                 reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
 801                 reg_rw->value = (u32) r.bbp->value;
 802                 break;
 803         case HostCmd_CMD_PMIC_REG_ACCESS:
 804                 r.pmic = &resp->params.pmic_reg;
 805                 reg_rw->offset = (u32) le16_to_cpu(r.pmic->offset);
 806                 reg_rw->value = (u32) r.pmic->value;
 807                 break;
 808         case HostCmd_CMD_CAU_REG_ACCESS:
 809                 r.rf = &resp->params.rf_reg;
 810                 reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
 811                 reg_rw->value = (u32) r.rf->value;
 812                 break;
 813         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 814                 r.eeprom = &resp->params.eeprom;
 815                 pr_debug("info: EEPROM read len=%x\n",
 816                                 le16_to_cpu(r.eeprom->byte_count));
 817                 if (eeprom->byte_count < le16_to_cpu(r.eeprom->byte_count)) {
 818                         eeprom->byte_count = 0;
 819                         pr_debug("info: EEPROM read length is too big\n");
 820                         return -1;
 821                 }
 822                 eeprom->offset = le16_to_cpu(r.eeprom->offset);
 823                 eeprom->byte_count = le16_to_cpu(r.eeprom->byte_count);
 824                 if (eeprom->byte_count > 0)
 825                         memcpy(&eeprom->value, &r.eeprom->value,
 826                                min((u16)MAX_EEPROM_DATA, eeprom->byte_count));
 827                 break;
 828         default:
 829                 return -1;
 830         }
 831         return 0;
 832 }
 833
 834 /*
 835  * This function handles the command response of get IBSS coalescing status.
 836  *
 837  * If the received BSSID is different than the current one, the current BSSID,
 838  * beacon interval, ATIM window and ERP information are updated, along with
 839  * changing the ad-hoc state accordingly.
 840  */
 841 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
 842                                               struct host_cmd_ds_command *resp)
 843 {
 844         struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
 845                                         &(resp->params.ibss_coalescing);
 846
 847         if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
 848                 return 0;
 849
 850         mwifiex_dbg(priv->adapter, INFO,
 851                     "info: new BSSID %pM\n", ibss_coal_resp->bssid);
 852
 853         /* If rsp has NULL BSSID, Just return..... No Action */
 854         if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
 855                 mwifiex_dbg(priv->adapter, FATAL, "new BSSID is NULL\n");
 856                 return 0;
 857         }
 858
 859         /* If BSSID is diff, modify current BSS parameters */
 860         if (!ether_addr_equal(priv->curr_bss_params.bss_descriptor.mac_address, ibss_coal_resp->bssid)) {
 861                 /* BSSID */
 862                 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
 863                        ibss_coal_resp->bssid, ETH_ALEN);
 864
 865                 /* Beacon Interval */
 866                 priv->curr_bss_params.bss_descriptor.beacon_period
 867                         = le16_to_cpu(ibss_coal_resp->beacon_interval);
 868
 869                 /* ERP Information */
 870                 priv->curr_bss_params.bss_descriptor.erp_flags =
 871                         (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
 872
 873                 priv->adhoc_state = ADHOC_COALESCED;
 874         }
 875
 876         return 0;
 877 }
 878 static int mwifiex_ret_tdls_oper(struct mwifiex_private *priv,
 879                                  struct host_cmd_ds_command *resp)
 880 {
 881         struct host_cmd_ds_tdls_oper *cmd_tdls_oper = &resp->params.tdls_oper;
 882         u16 reason = le16_to_cpu(cmd_tdls_oper->reason);
 883         u16 action = le16_to_cpu(cmd_tdls_oper->tdls_action);
 884         struct mwifiex_sta_node *node =
 885                            mwifiex_get_sta_entry(priv, cmd_tdls_oper->peer_mac);
 886
 887         switch (action) {
 888         case ACT_TDLS_DELETE:
 889                 if (reason) {
 890                         if (!node || reason == TDLS_ERR_LINK_NONEXISTENT)
 891                                 mwifiex_dbg(priv->adapter, MSG,
 892                                             "TDLS link delete for %pM failed: reason %d\n",
 893                                             cmd_tdls_oper->peer_mac, reason);
 894                         else
 895                                 mwifiex_dbg(priv->adapter, ERROR,
 896                                             "TDLS link delete for %pM failed: reason %d\n",
 897                                             cmd_tdls_oper->peer_mac, reason);
 898                 } else {
 899                         mwifiex_dbg(priv->adapter, MSG,
 900                                     "TDLS link delete for %pM successful\n",
 901                                     cmd_tdls_oper->peer_mac);
 902                 }
 903                 break;
 904         case ACT_TDLS_CREATE:
 905                 if (reason) {
 906                         mwifiex_dbg(priv->adapter, ERROR,
 907                                     "TDLS link creation for %pM failed: reason %d",
 908                                     cmd_tdls_oper->peer_mac, reason);
 909                         if (node && reason != TDLS_ERR_LINK_EXISTS)
 910                                 node->tdls_status = TDLS_SETUP_FAILURE;
 911                 } else {
 912                         mwifiex_dbg(priv->adapter, MSG,
 913                                     "TDLS link creation for %pM successful",
 914                                     cmd_tdls_oper->peer_mac);
 915                 }
 916                 break;
 917         case ACT_TDLS_CONFIG:
 918                 if (reason) {
 919                         mwifiex_dbg(priv->adapter, ERROR,
 920                                     "TDLS link config for %pM failed, reason %d\n",
 921                                     cmd_tdls_oper->peer_mac, reason);
 922                         if (node)
 923                                 node->tdls_status = TDLS_SETUP_FAILURE;
 924                 } else {
 925                         mwifiex_dbg(priv->adapter, MSG,
 926                                     "TDLS link config for %pM successful\n",
 927                                     cmd_tdls_oper->peer_mac);
 928                 }
 929                 break;
 930         default:
 931                 mwifiex_dbg(priv->adapter, ERROR,
 932                             "Unknown TDLS command action response %d", action);
 933                 return -1;
 934         }
 935
 936         return 0;
 937 }
 938 /*
 939  * This function handles the command response for subscribe event command.
 940  */
 941 static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
 942                                  struct host_cmd_ds_command *resp)
 943 {
 944         struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
 945                 &resp->params.subsc_evt;
 946
 947         /* For every subscribe event command (Get/Set/Clear), FW reports the
 948          * current set of subscribed events*/
 949         mwifiex_dbg(priv->adapter, EVENT,
 950                     "Bitmap of currently subscribed events: %16x\n",
 951                     le16_to_cpu(cmd_sub_event->events));
 952
 953         return 0;
 954 }
 955
 956 static int mwifiex_ret_uap_sta_list(struct mwifiex_private *priv,
 957                                     struct host_cmd_ds_command *resp)
 958 {
 959         struct host_cmd_ds_sta_list *sta_list =
 960                 &resp->params.sta_list;
 961         struct mwifiex_ie_types_sta_info *sta_info = (void *)&sta_list->tlv;
 962         int i;
 963         struct mwifiex_sta_node *sta_node;
 964
 965         for (i = 0; i < (le16_to_cpu(sta_list->sta_count)); i++) {
 966                 sta_node = mwifiex_get_sta_entry(priv, sta_info->mac);
 967                 if (unlikely(!sta_node))
 968                         continue;
 969
 970                 sta_node->stats.rssi = sta_info->rssi;
 971                 sta_info++;
 972         }
 973
 974         return 0;
 975 }
 976
 977 /* This function handles the command response of set_cfg_data */
 978 static int mwifiex_ret_cfg_data(struct mwifiex_private *priv,
 979                                 struct host_cmd_ds_command *resp)
 980 {
 981         if (resp->result != HostCmd_RESULT_OK) {
 982                 mwifiex_dbg(priv->adapter, ERROR, "Cal data cmd resp failed\n");
 983                 return -1;
 984         }
 985
 986         return 0;
 987 }
 988
 989 /** This Function handles the command response of sdio rx aggr */
 990 static int mwifiex_ret_sdio_rx_aggr_cfg(struct mwifiex_private *priv,
 991                                         struct host_cmd_ds_command *resp)
 992 {
 993         struct mwifiex_adapter *adapter = priv->adapter;
 994         struct host_cmd_sdio_sp_rx_aggr_cfg *cfg =
 995                                 &resp->params.sdio_rx_aggr_cfg;
 996
 997         adapter->sdio_rx_aggr_enable = cfg->enable;
 998         adapter->sdio_rx_block_size = le16_to_cpu(cfg->block_size);
 999
1000         return 0;
1001 }
1002
1003 static int mwifiex_ret_robust_coex(struct mwifiex_private *priv,
1004                                    struct host_cmd_ds_command *resp,
1005                                    bool *is_timeshare)
1006 {
1007         struct host_cmd_ds_robust_coex *coex = &resp->params.coex;
1008         struct mwifiex_ie_types_robust_coex *coex_tlv;
1009         u16 action = le16_to_cpu(coex->action);
1010         u32 mode;
1011
1012         coex_tlv = (struct mwifiex_ie_types_robust_coex
1013                     *)((u8 *)coex + sizeof(struct host_cmd_ds_robust_coex));
1014         if (action == HostCmd_ACT_GEN_GET) {
1015                 mode = le32_to_cpu(coex_tlv->mode);
1016                 if (mode == MWIFIEX_COEX_MODE_TIMESHARE)
1017                         *is_timeshare = true;
1018                 else
1019                         *is_timeshare = false;
1020         }
1021
1022         return 0;
1023 }
1024
1025 static struct ieee80211_regdomain *
1026 mwifiex_create_custom_regdomain(struct mwifiex_private *priv,
1027                                 u8 *buf, u16 buf_len)
1028 {
1029         u16 num_chan = buf_len / 2;
1030         struct ieee80211_regdomain *regd;
1031         struct ieee80211_reg_rule *rule;
1032         bool new_rule;
1033         int regd_size, idx, freq, prev_freq = 0;
1034         u32 bw, prev_bw = 0;
1035         u8 chflags, prev_chflags = 0, valid_rules = 0;
1036
1037         if (WARN_ON_ONCE(num_chan > NL80211_MAX_SUPP_REG_RULES))
1038                 return ERR_PTR(-EINVAL);
1039
1040         regd_size = sizeof(struct ieee80211_regdomain) +
1041                     num_chan * sizeof(struct ieee80211_reg_rule);
1042
1043         regd = kzalloc(regd_size, GFP_KERNEL);
1044         if (!regd)
1045                 return ERR_PTR(-ENOMEM);
1046
1047         for (idx = 0; idx < num_chan; idx++) {
1048                 u8 chan;
1049                 enum nl80211_band band;
1050
1051                 chan = *buf++;
1052                 if (!chan) {
1053                         kfree(regd);
1054                         return NULL;
1055                 }
1056                 chflags = *buf++;
1057                 band = (chan <= 14) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
1058                 freq = ieee80211_channel_to_frequency(chan, band);
1059                 new_rule = false;
1060
1061                 if (chflags & MWIFIEX_CHANNEL_DISABLED)
1062                         continue;
1063
1064                 if (band == NL80211_BAND_5GHZ) {
1065                         if (!(chflags & MWIFIEX_CHANNEL_NOHT80))
1066                                 bw = MHZ_TO_KHZ(80);
1067                         else if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1068                                 bw = MHZ_TO_KHZ(40);
1069                         else
1070                                 bw = MHZ_TO_KHZ(20);
1071                 } else {
1072                         if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1073                                 bw = MHZ_TO_KHZ(40);
1074                         else
1075                                 bw = MHZ_TO_KHZ(20);
1076                 }
1077
1078                 if (idx == 0 || prev_chflags != chflags || prev_bw != bw ||
1079                     freq - prev_freq > 20) {
1080                         valid_rules++;
1081                         new_rule = true;
1082                 }
1083
1084                 rule = &regd->reg_rules[valid_rules - 1];
1085
1086                 rule->freq_range.end_freq_khz = MHZ_TO_KHZ(freq + 10);
1087
1088                 prev_chflags = chflags;
1089                 prev_freq = freq;
1090                 prev_bw = bw;
1091
1092                 if (!new_rule)
1093                         continue;
1094
1095                 rule->freq_range.start_freq_khz = MHZ_TO_KHZ(freq - 10);
1096                 rule->power_rule.max_eirp = DBM_TO_MBM(19);
1097
1098                 if (chflags & MWIFIEX_CHANNEL_PASSIVE)
1099                         rule->flags = NL80211_RRF_NO_IR;
1100
1101                 if (chflags & MWIFIEX_CHANNEL_DFS)
1102                         rule->flags = NL80211_RRF_DFS;
1103
1104                 rule->freq_range.max_bandwidth_khz = bw;
1105         }
1106
1107         regd->n_reg_rules = valid_rules;
1108         regd->alpha2[0] = '9';
1109         regd->alpha2[1] = '9';
1110
1111         return regd;
1112 }
1113
1114 static int mwifiex_ret_chan_region_cfg(struct mwifiex_private *priv,
1115                                        struct host_cmd_ds_command *resp)
1116 {
1117         struct host_cmd_ds_chan_region_cfg *reg = &resp->params.reg_cfg;
1118         u16 action = le16_to_cpu(reg->action);
1119         u16 tlv, tlv_buf_len, tlv_buf_left;
1120         struct mwifiex_ie_types_header *head;
1121         struct ieee80211_regdomain *regd;
1122         u8 *tlv_buf;
1123
1124         if (action != HostCmd_ACT_GEN_GET)
1125                 return 0;
1126
1127         tlv_buf = (u8 *)reg + sizeof(*reg);
1128         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*reg);
1129
1130         while (tlv_buf_left >= sizeof(*head)) {
1131                 head = (struct mwifiex_ie_types_header *)tlv_buf;
1132                 tlv = le16_to_cpu(head->type);
1133                 tlv_buf_len = le16_to_cpu(head->len);
1134
1135                 if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
1136                         break;
1137
1138                 switch (tlv) {
1139                 case TLV_TYPE_CHAN_ATTR_CFG:
1140                         mwifiex_dbg_dump(priv->adapter, CMD_D, "CHAN:",
1141                                          (u8 *)head + sizeof(*head),
1142                                          tlv_buf_len);
1143                         regd = mwifiex_create_custom_regdomain(priv,
1144                                 (u8 *)head + sizeof(*head), tlv_buf_len);
1145                         if (!IS_ERR(regd))
1146                                 priv->adapter->regd = regd;
1147                         break;
1148                 }
1149
1150                 tlv_buf += (sizeof(*head) + tlv_buf_len);
1151                 tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
1152         }
1153
1154         return 0;
1155 }
1156
1157 /*
1158  * This function handles the command responses.
1159  *
1160  * This is a generic function, which calls command specific
1161  * response handlers based on the command ID.
1162  */
1163 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
1164                                 struct host_cmd_ds_command *resp)
1165 {
1166         int ret = 0;
1167         struct mwifiex_adapter *adapter = priv->adapter;
1168         void *data_buf = adapter->curr_cmd->data_buf;
1169
1170         /* If the command is not successful, cleanup and return failure */
1171         if (resp->result != HostCmd_RESULT_OK) {
1172                 mwifiex_process_cmdresp_error(priv, resp);
1173                 return -1;
1174         }
1175         /* Command successful, handle response */
1176         switch (cmdresp_no) {
1177         case HostCmd_CMD_GET_HW_SPEC:
1178                 ret = mwifiex_ret_get_hw_spec(priv, resp);
1179                 break;
1180         case HostCmd_CMD_CFG_DATA:
1181                 ret = mwifiex_ret_cfg_data(priv, resp);
1182                 break;
1183         case HostCmd_CMD_MAC_CONTROL:
1184                 break;
1185         case HostCmd_CMD_802_11_MAC_ADDRESS:
1186                 ret = mwifiex_ret_802_11_mac_address(priv, resp);
1187                 break;
1188         case HostCmd_CMD_MAC_MULTICAST_ADR:
1189                 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
1190                 break;
1191         case HostCmd_CMD_TX_RATE_CFG:
1192                 ret = mwifiex_ret_tx_rate_cfg(priv, resp);
1193                 break;
1194         case HostCmd_CMD_802_11_SCAN:
1195                 ret = mwifiex_ret_802_11_scan(priv, resp);
1196                 adapter->curr_cmd->wait_q_enabled = false;
1197                 break;
1198         case HostCmd_CMD_802_11_SCAN_EXT:
1199                 ret = mwifiex_ret_802_11_scan_ext(priv, resp);
1200                 adapter->curr_cmd->wait_q_enabled = false;
1201                 break;
1202         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
1203                 ret = mwifiex_ret_802_11_scan(priv, resp);
1204                 cfg80211_sched_scan_results(priv->wdev.wiphy);
1205                 mwifiex_dbg(adapter, CMD,
1206                             "info: CMD_RESP: BG_SCAN result is ready!\n");
1207                 break;
1208         case HostCmd_CMD_802_11_BG_SCAN_CONFIG:
1209                 break;
1210         case HostCmd_CMD_TXPWR_CFG:
1211                 ret = mwifiex_ret_tx_power_cfg(priv, resp);
1212                 break;
1213         case HostCmd_CMD_RF_TX_PWR:
1214                 ret = mwifiex_ret_rf_tx_power(priv, resp);
1215                 break;
1216         case HostCmd_CMD_RF_ANTENNA:
1217                 ret = mwifiex_ret_rf_antenna(priv, resp);
1218                 break;
1219         case HostCmd_CMD_802_11_PS_MODE_ENH:
1220                 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
1221                 break;
1222         case HostCmd_CMD_802_11_HS_CFG_ENH:
1223                 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
1224                 break;
1225         case HostCmd_CMD_802_11_ASSOCIATE:
1226                 ret = mwifiex_ret_802_11_associate(priv, resp);
1227                 break;
1228         case HostCmd_CMD_802_11_DEAUTHENTICATE:
1229                 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
1230                 break;
1231         case HostCmd_CMD_802_11_AD_HOC_START:
1232         case HostCmd_CMD_802_11_AD_HOC_JOIN:
1233                 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
1234                 break;
1235         case HostCmd_CMD_802_11_AD_HOC_STOP:
1236                 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
1237                 break;
1238         case HostCmd_CMD_802_11_GET_LOG:
1239                 ret = mwifiex_ret_get_log(priv, resp, data_buf);
1240                 break;
1241         case HostCmd_CMD_RSSI_INFO:
1242                 ret = mwifiex_ret_802_11_rssi_info(priv, resp);
1243                 break;
1244         case HostCmd_CMD_802_11_SNMP_MIB:
1245                 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
1246                 break;
1247         case HostCmd_CMD_802_11_TX_RATE_QUERY:
1248                 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
1249                 break;
1250         case HostCmd_CMD_VERSION_EXT:
1251                 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
1252                 break;
1253         case HostCmd_CMD_REMAIN_ON_CHAN:
1254                 ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
1255                 break;
1256         case HostCmd_CMD_11AC_CFG:
1257                 break;
1258         case HostCmd_CMD_P2P_MODE_CFG:
1259                 ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
1260                 break;
1261         case HostCmd_CMD_MGMT_FRAME_REG:
1262         case HostCmd_CMD_FUNC_INIT:
1263         case HostCmd_CMD_FUNC_SHUTDOWN:
1264                 break;
1265         case HostCmd_CMD_802_11_KEY_MATERIAL:
1266                 ret = mwifiex_ret_802_11_key_material(priv, resp);
1267                 break;
1268         case HostCmd_CMD_802_11D_DOMAIN_INFO:
1269                 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
1270                 break;
1271         case HostCmd_CMD_11N_ADDBA_REQ:
1272                 ret = mwifiex_ret_11n_addba_req(priv, resp);
1273                 break;
1274         case HostCmd_CMD_11N_DELBA:
1275                 ret = mwifiex_ret_11n_delba(priv, resp);
1276                 break;
1277         case HostCmd_CMD_11N_ADDBA_RSP:
1278                 ret = mwifiex_ret_11n_addba_resp(priv, resp);
1279                 break;
1280         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
1281                 if (0xffff == (u16)le16_to_cpu(resp->params.tx_buf.buff_size)) {
1282                         if (adapter->iface_type == MWIFIEX_USB &&
1283                             adapter->usb_mc_setup) {
1284                                 if (adapter->if_ops.multi_port_resync)
1285                                         adapter->if_ops.
1286                                                 multi_port_resync(adapter);
1287                                 adapter->usb_mc_setup = false;
1288                                 adapter->tx_lock_flag = false;
1289                         }
1290                         break;
1291                 }
1292                 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
1293                                                              tx_buf.buff_size);
1294                 adapter->tx_buf_size = (adapter->tx_buf_size
1295                                         / MWIFIEX_SDIO_BLOCK_SIZE)
1296                                        * MWIFIEX_SDIO_BLOCK_SIZE;
1297                 adapter->curr_tx_buf_size = adapter->tx_buf_size;
1298                 mwifiex_dbg(adapter, CMD, "cmd: curr_tx_buf_size=%d\n",
1299                             adapter->curr_tx_buf_size);
1300
1301                 if (adapter->if_ops.update_mp_end_port)
1302                         adapter->if_ops.update_mp_end_port(adapter,
1303                                 le16_to_cpu(resp->params.tx_buf.mp_end_port));
1304                 break;
1305         case HostCmd_CMD_AMSDU_AGGR_CTRL:
1306                 break;
1307         case HostCmd_CMD_WMM_GET_STATUS:
1308                 ret = mwifiex_ret_wmm_get_status(priv, resp);
1309                 break;
1310         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
1311                 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
1312                 break;
1313         case HostCmd_CMD_MEM_ACCESS:
1314                 ret = mwifiex_ret_mem_access(priv, resp, data_buf);
1315                 break;
1316         case HostCmd_CMD_MAC_REG_ACCESS:
1317         case HostCmd_CMD_BBP_REG_ACCESS:
1318         case HostCmd_CMD_RF_REG_ACCESS:
1319         case HostCmd_CMD_PMIC_REG_ACCESS:
1320         case HostCmd_CMD_CAU_REG_ACCESS:
1321         case HostCmd_CMD_802_11_EEPROM_ACCESS:
1322                 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
1323                 break;
1324         case HostCmd_CMD_SET_BSS_MODE:
1325                 break;
1326         case HostCmd_CMD_11N_CFG:
1327                 break;
1328         case HostCmd_CMD_PCIE_DESC_DETAILS:
1329                 break;
1330         case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
1331                 ret = mwifiex_ret_subsc_evt(priv, resp);
1332                 break;
1333         case HostCmd_CMD_UAP_SYS_CONFIG:
1334                 break;
1335         case HOST_CMD_APCMD_STA_LIST:
1336                 ret = mwifiex_ret_uap_sta_list(priv, resp);
1337                 break;
1338         case HostCmd_CMD_UAP_BSS_START:
1339                 adapter->tx_lock_flag = false;
1340                 adapter->pps_uapsd_mode = false;
1341                 adapter->delay_null_pkt = false;
1342                 priv->bss_started = 1;
1343                 break;
1344         case HostCmd_CMD_UAP_BSS_STOP:
1345                 priv->bss_started = 0;
1346                 break;
1347         case HostCmd_CMD_UAP_STA_DEAUTH:
1348                 break;
1349         case HOST_CMD_APCMD_SYS_RESET:
1350                 break;
1351         case HostCmd_CMD_MEF_CFG:
1352                 break;
1353         case HostCmd_CMD_COALESCE_CFG:
1354                 break;
1355         case HostCmd_CMD_TDLS_OPER:
1356                 ret = mwifiex_ret_tdls_oper(priv, resp);
1357         case HostCmd_CMD_MC_POLICY:
1358                 break;
1359         case HostCmd_CMD_CHAN_REPORT_REQUEST:
1360                 break;
1361         case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
1362                 ret = mwifiex_ret_sdio_rx_aggr_cfg(priv, resp);
1363                 break;
1364         case HostCmd_CMD_HS_WAKEUP_REASON:
1365                 ret = mwifiex_ret_wakeup_reason(priv, resp, data_buf);
1366                 break;
1367         case HostCmd_CMD_TDLS_CONFIG:
1368                 break;
1369         case HostCmd_CMD_ROBUST_COEX:
1370                 ret = mwifiex_ret_robust_coex(priv, resp, data_buf);
1371                 break;
1372         case HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG:
1373                 break;
1374         case HostCmd_CMD_CHAN_REGION_CFG:
1375                 ret = mwifiex_ret_chan_region_cfg(priv, resp);
1376                 break;
1377         default:
1378                 mwifiex_dbg(adapter, ERROR,
1379                             "CMD_RESP: unknown cmd response %#x\n",
1380                             resp->command);
1381                 break;
1382         }
1383
1384         return ret;
1385 }