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_scan(adapter);
  74                 break;
  75
  76         case HostCmd_CMD_MAC_CONTROL:
  77                 break;
  78
  79         case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
  80                 mwifiex_dbg(adapter, MSG,
  81                             "SDIO RX single-port aggregation Not support\n");
  82                 break;
  83
  84         default:
  85                 break;
  86         }
  87         /* Handling errors here */
  88         mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
  89
  90         spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
  91         adapter->curr_cmd = NULL;
  92         spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
  93 }
  94
  95 /*
  96  * This function handles the command response of get RSSI info.
  97  *
  98  * Handling includes changing the header fields into CPU format
  99  * and saving the following parameters in driver -
 100  *      - Last data and beacon RSSI value
 101  *      - Average data and beacon RSSI value
 102  *      - Last data and beacon NF value
 103  *      - Average data and beacon NF value
 104  *
 105  * The parameters are send to the application as well, along with
 106  * calculated SNR values.
 107  */
 108 static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv,
 109                                         struct host_cmd_ds_command *resp)
 110 {
 111         struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
 112                                                 &resp->params.rssi_info_rsp;
 113         struct mwifiex_ds_misc_subsc_evt *subsc_evt =
 114                                                 &priv->async_subsc_evt_storage;
 115
 116         priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
 117         priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
 118
 119         priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg);
 120         priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg);
 121
 122         priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last);
 123         priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last);
 124
 125         priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
 126         priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
 127
 128         if (priv->subsc_evt_rssi_state == EVENT_HANDLED)
 129                 return 0;
 130
 131         memset(subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
 132
 133         /* Resubscribe low and high rssi events with new thresholds */
 134         subsc_evt->events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
 135         subsc_evt->action = HostCmd_ACT_BITWISE_SET;
 136         if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) {
 137                 subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg -
 138                                 priv->cqm_rssi_hyst);
 139                 subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
 140         } else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) {
 141                 subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
 142                 subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg +
 143                                 priv->cqm_rssi_hyst);
 144         }
 145         subsc_evt->bcn_l_rssi_cfg.evt_freq = 1;
 146         subsc_evt->bcn_h_rssi_cfg.evt_freq = 1;
 147
 148         priv->subsc_evt_rssi_state = EVENT_HANDLED;
 149
 150         mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
 151                          0, 0, subsc_evt, false);
 152
 153         return 0;
 154 }
 155
 156 /*
 157  * This function handles the command response of set/get SNMP
 158  * MIB parameters.
 159  *
 160  * Handling includes changing the header fields into CPU format
 161  * and saving the parameter in driver.
 162  *
 163  * The following parameters are supported -
 164  *      - Fragmentation threshold
 165  *      - RTS threshold
 166  *      - Short retry limit
 167  */
 168 static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
 169                                        struct host_cmd_ds_command *resp,
 170                                        u32 *data_buf)
 171 {
 172         struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
 173         u16 oid = le16_to_cpu(smib->oid);
 174         u16 query_type = le16_to_cpu(smib->query_type);
 175         u32 ul_temp;
 176
 177         mwifiex_dbg(priv->adapter, INFO,
 178                     "info: SNMP_RESP: oid value = %#x,\t"
 179                     "query_type = %#x, buf size = %#x\n",
 180                     oid, query_type, le16_to_cpu(smib->buf_size));
 181         if (query_type == HostCmd_ACT_GEN_GET) {
 182                 ul_temp = get_unaligned_le16(smib->value);
 183                 if (data_buf)
 184                         *data_buf = ul_temp;
 185                 switch (oid) {
 186                 case FRAG_THRESH_I:
 187                         mwifiex_dbg(priv->adapter, INFO,
 188                                     "info: SNMP_RESP: FragThsd =%u\n",
 189                                     ul_temp);
 190                         break;
 191                 case RTS_THRESH_I:
 192                         mwifiex_dbg(priv->adapter, INFO,
 193                                     "info: SNMP_RESP: RTSThsd =%u\n",
 194                                     ul_temp);
 195                         break;
 196                 case SHORT_RETRY_LIM_I:
 197                         mwifiex_dbg(priv->adapter, INFO,
 198                                     "info: SNMP_RESP: TxRetryCount=%u\n",
 199                                     ul_temp);
 200                         break;
 201                 case DTIM_PERIOD_I:
 202                         mwifiex_dbg(priv->adapter, INFO,
 203                                     "info: SNMP_RESP: DTIM period=%u\n",
 204                                     ul_temp);
 205                 default:
 206                         break;
 207                 }
 208         }
 209
 210         return 0;
 211 }
 212
 213 /*
 214  * This function handles the command response of get log request
 215  *
 216  * Handling includes changing the header fields into CPU format
 217  * and sending the received parameters to application.
 218  */
 219 static int mwifiex_ret_get_log(struct mwifiex_private *priv,
 220                                struct host_cmd_ds_command *resp,
 221                                struct mwifiex_ds_get_stats *stats)
 222 {
 223         struct host_cmd_ds_802_11_get_log *get_log =
 224                 &resp->params.get_log;
 225
 226         if (stats) {
 227                 stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
 228                 stats->failed = le32_to_cpu(get_log->failed);
 229                 stats->retry = le32_to_cpu(get_log->retry);
 230                 stats->multi_retry = le32_to_cpu(get_log->multi_retry);
 231                 stats->frame_dup = le32_to_cpu(get_log->frame_dup);
 232                 stats->rts_success = le32_to_cpu(get_log->rts_success);
 233                 stats->rts_failure = le32_to_cpu(get_log->rts_failure);
 234                 stats->ack_failure = le32_to_cpu(get_log->ack_failure);
 235                 stats->rx_frag = le32_to_cpu(get_log->rx_frag);
 236                 stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
 237                 stats->fcs_error = le32_to_cpu(get_log->fcs_error);
 238                 stats->tx_frame = le32_to_cpu(get_log->tx_frame);
 239                 stats->wep_icv_error[0] =
 240                         le32_to_cpu(get_log->wep_icv_err_cnt[0]);
 241                 stats->wep_icv_error[1] =
 242                         le32_to_cpu(get_log->wep_icv_err_cnt[1]);
 243                 stats->wep_icv_error[2] =
 244                         le32_to_cpu(get_log->wep_icv_err_cnt[2]);
 245                 stats->wep_icv_error[3] =
 246                         le32_to_cpu(get_log->wep_icv_err_cnt[3]);
 247                 stats->bcn_rcv_cnt = le32_to_cpu(get_log->bcn_rcv_cnt);
 248                 stats->bcn_miss_cnt = le32_to_cpu(get_log->bcn_miss_cnt);
 249         }
 250
 251         return 0;
 252 }
 253
 254 /*
 255  * This function handles the command response of set/get Tx rate
 256  * configurations.
 257  *
 258  * Handling includes changing the header fields into CPU format
 259  * and saving the following parameters in driver -
 260  *      - DSSS rate bitmap
 261  *      - OFDM rate bitmap
 262  *      - HT MCS rate bitmaps
 263  *
 264  * Based on the new rate bitmaps, the function re-evaluates if
 265  * auto data rate has been activated. If not, it sends another
 266  * query to the firmware to get the current Tx data rate.
 267  */
 268 static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
 269                                    struct host_cmd_ds_command *resp)
 270 {
 271         struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
 272         struct mwifiex_rate_scope *rate_scope;
 273         struct mwifiex_ie_types_header *head;
 274         u16 tlv, tlv_buf_len, tlv_buf_left;
 275         u8 *tlv_buf;
 276         u32 i;
 277
 278         tlv_buf = ((u8 *)rate_cfg) + sizeof(struct host_cmd_ds_tx_rate_cfg);
 279         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*rate_cfg);
 280
 281         while (tlv_buf_left >= sizeof(*head)) {
 282                 head = (struct mwifiex_ie_types_header *)tlv_buf;
 283                 tlv = le16_to_cpu(head->type);
 284                 tlv_buf_len = le16_to_cpu(head->len);
 285
 286                 if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
 287                         break;
 288
 289                 switch (tlv) {
 290                 case TLV_TYPE_RATE_SCOPE:
 291                         rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
 292                         priv->bitmap_rates[0] =
 293                                 le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
 294                         priv->bitmap_rates[1] =
 295                                 le16_to_cpu(rate_scope->ofdm_rate_bitmap);
 296                         for (i = 0;
 297                              i < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap);
 298                              i++)
 299                                 priv->bitmap_rates[2 + i] =
 300                                         le16_to_cpu(rate_scope->
 301                                                     ht_mcs_rate_bitmap[i]);
 302
 303                         if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
 304                                 for (i = 0; i < ARRAY_SIZE(rate_scope->
 305                                                            vht_mcs_rate_bitmap);
 306                                      i++)
 307                                         priv->bitmap_rates[10 + i] =
 308                                             le16_to_cpu(rate_scope->
 309                                                         vht_mcs_rate_bitmap[i]);
 310                         }
 311                         break;
 312                         /* Add RATE_DROP tlv here */
 313                 }
 314
 315                 tlv_buf += (sizeof(*head) + tlv_buf_len);
 316                 tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
 317         }
 318
 319         priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
 320
 321         if (priv->is_data_rate_auto)
 322                 priv->data_rate = 0;
 323         else
 324                 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
 325                                         HostCmd_ACT_GEN_GET, 0, NULL, false);
 326
 327         return 0;
 328 }
 329
 330 /*
 331  * This function handles the command response of get Tx power level.
 332  *
 333  * Handling includes saving the maximum and minimum Tx power levels
 334  * in driver, as well as sending the values to user.
 335  */
 336 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
 337 {
 338         int length, max_power = -1, min_power = -1;
 339         struct mwifiex_types_power_group *pg_tlv_hdr;
 340         struct mwifiex_power_group *pg;
 341
 342         if (!data_buf)
 343                 return -1;
 344
 345         pg_tlv_hdr = (struct mwifiex_types_power_group *)((u8 *)data_buf);
 346         pg = (struct mwifiex_power_group *)
 347                 ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
 348         length = le16_to_cpu(pg_tlv_hdr->length);
 349
 350         /* At least one structure required to update power */
 351         if (length < sizeof(struct mwifiex_power_group))
 352                 return 0;
 353
 354         max_power = pg->power_max;
 355         min_power = pg->power_min;
 356         length -= sizeof(struct mwifiex_power_group);
 357
 358         while (length >= sizeof(struct mwifiex_power_group)) {
 359                 pg++;
 360                 if (max_power < pg->power_max)
 361                         max_power = pg->power_max;
 362
 363                 if (min_power > pg->power_min)
 364                         min_power = pg->power_min;
 365
 366                 length -= sizeof(struct mwifiex_power_group);
 367         }
 368         priv->min_tx_power_level = (u8) min_power;
 369         priv->max_tx_power_level = (u8) max_power;
 370
 371         return 0;
 372 }
 373
 374 /*
 375  * This function handles the command response of set/get Tx power
 376  * configurations.
 377  *
 378  * Handling includes changing the header fields into CPU format
 379  * and saving the current Tx power level in driver.
 380  */
 381 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
 382                                     struct host_cmd_ds_command *resp)
 383 {
 384         struct mwifiex_adapter *adapter = priv->adapter;
 385         struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
 386         struct mwifiex_types_power_group *pg_tlv_hdr;
 387         struct mwifiex_power_group *pg;
 388         u16 action = le16_to_cpu(txp_cfg->action);
 389         u16 tlv_buf_left;
 390
 391         pg_tlv_hdr = (struct mwifiex_types_power_group *)
 392                 ((u8 *)txp_cfg +
 393                  sizeof(struct host_cmd_ds_txpwr_cfg));
 394
 395         pg = (struct mwifiex_power_group *)
 396                 ((u8 *)pg_tlv_hdr +
 397                  sizeof(struct mwifiex_types_power_group));
 398
 399         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*txp_cfg);
 400         if (tlv_buf_left <
 401                         le16_to_cpu(pg_tlv_hdr->length) + sizeof(*pg_tlv_hdr))
 402                 return 0;
 403
 404         switch (action) {
 405         case HostCmd_ACT_GEN_GET:
 406                 if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
 407                         mwifiex_get_power_level(priv, pg_tlv_hdr);
 408
 409                 priv->tx_power_level = (u16) pg->power_min;
 410                 break;
 411
 412         case HostCmd_ACT_GEN_SET:
 413                 if (!le32_to_cpu(txp_cfg->mode))
 414                         break;
 415
 416                 if (pg->power_max == pg->power_min)
 417                         priv->tx_power_level = (u16) pg->power_min;
 418                 break;
 419         default:
 420                 mwifiex_dbg(adapter, ERROR,
 421                             "CMD_RESP: unknown cmd action %d\n",
 422                             action);
 423                 return 0;
 424         }
 425         mwifiex_dbg(adapter, INFO,
 426                     "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
 427                     priv->tx_power_level, priv->max_tx_power_level,
 428                     priv->min_tx_power_level);
 429
 430         return 0;
 431 }
 432
 433 /*
 434  * This function handles the command response of get RF Tx power.
 435  */
 436 static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv,
 437                                    struct host_cmd_ds_command *resp)
 438 {
 439         struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp;
 440         u16 action = le16_to_cpu(txp->action);
 441
 442         priv->tx_power_level = le16_to_cpu(txp->cur_level);
 443
 444         if (action == HostCmd_ACT_GEN_GET) {
 445                 priv->max_tx_power_level = txp->max_power;
 446                 priv->min_tx_power_level = txp->min_power;
 447         }
 448
 449         mwifiex_dbg(priv->adapter, INFO,
 450                     "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n",
 451                     priv->tx_power_level, priv->max_tx_power_level,
 452                     priv->min_tx_power_level);
 453
 454         return 0;
 455 }
 456
 457 /*
 458  * This function handles the command response of set rf antenna
 459  */
 460 static int mwifiex_ret_rf_antenna(struct mwifiex_private *priv,
 461                                   struct host_cmd_ds_command *resp)
 462 {
 463         struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo;
 464         struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso;
 465         struct mwifiex_adapter *adapter = priv->adapter;
 466
 467         if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
 468                 priv->tx_ant = le16_to_cpu(ant_mimo->tx_ant_mode);
 469                 priv->rx_ant = le16_to_cpu(ant_mimo->rx_ant_mode);
 470                 mwifiex_dbg(adapter, INFO,
 471                             "RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x\t"
 472                             "Rx action = 0x%x, Rx Mode = 0x%04x\n",
 473                             le16_to_cpu(ant_mimo->action_tx),
 474                             le16_to_cpu(ant_mimo->tx_ant_mode),
 475                             le16_to_cpu(ant_mimo->action_rx),
 476                             le16_to_cpu(ant_mimo->rx_ant_mode));
 477         } else {
 478                 priv->tx_ant = le16_to_cpu(ant_siso->ant_mode);
 479                 priv->rx_ant = le16_to_cpu(ant_siso->ant_mode);
 480                 mwifiex_dbg(adapter, INFO,
 481                             "RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n",
 482                             le16_to_cpu(ant_siso->action),
 483                             le16_to_cpu(ant_siso->ant_mode));
 484         }
 485         return 0;
 486 }
 487
 488 /*
 489  * This function handles the command response of set/get MAC address.
 490  *
 491  * Handling includes saving the MAC address in driver.
 492  */
 493 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
 494                                           struct host_cmd_ds_command *resp)
 495 {
 496         struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
 497                                                         &resp->params.mac_addr;
 498
 499         memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
 500
 501         mwifiex_dbg(priv->adapter, INFO,
 502                     "info: set mac address: %pM\n", priv->curr_addr);
 503
 504         return 0;
 505 }
 506
 507 /*
 508  * This function handles the command response of set/get MAC multicast
 509  * address.
 510  */
 511 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
 512                                          struct host_cmd_ds_command *resp)
 513 {
 514         return 0;
 515 }
 516
 517 /*
 518  * This function handles the command response of get Tx rate query.
 519  *
 520  * Handling includes changing the header fields into CPU format
 521  * and saving the Tx rate and HT information parameters in driver.
 522  *
 523  * Both rate configuration and current data rate can be retrieved
 524  * with this request.
 525  */
 526 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
 527                                             struct host_cmd_ds_command *resp)
 528 {
 529         priv->tx_rate = resp->params.tx_rate.tx_rate;
 530         priv->tx_htinfo = resp->params.tx_rate.ht_info;
 531         if (!priv->is_data_rate_auto)
 532                 priv->data_rate =
 533                         mwifiex_index_to_data_rate(priv, priv->tx_rate,
 534                                                    priv->tx_htinfo);
 535
 536         return 0;
 537 }
 538
 539 /*
 540  * This function handles the command response of a deauthenticate
 541  * command.
 542  *
 543  * If the deauthenticated MAC matches the current BSS MAC, the connection
 544  * state is reset.
 545  */
 546 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
 547                                              struct host_cmd_ds_command *resp)
 548 {
 549         struct mwifiex_adapter *adapter = priv->adapter;
 550
 551         adapter->dbg.num_cmd_deauth++;
 552         if (!memcmp(resp->params.deauth.mac_addr,
 553                     &priv->curr_bss_params.bss_descriptor.mac_address,
 554                     sizeof(resp->params.deauth.mac_addr)))
 555                 mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING,
 556                                             false);
 557
 558         return 0;
 559 }
 560
 561 /*
 562  * This function handles the command response of ad-hoc stop.
 563  *
 564  * The function resets the connection state in driver.
 565  */
 566 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
 567                                           struct host_cmd_ds_command *resp)
 568 {
 569         mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING, false);
 570         return 0;
 571 }
 572
 573 /*
 574  * This function handles the command response of set/get v1 key material.
 575  *
 576  * Handling includes updating the driver parameters to reflect the
 577  * changes.
 578  */
 579 static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv,
 580                                               struct host_cmd_ds_command *resp)
 581 {
 582         struct host_cmd_ds_802_11_key_material *key =
 583                                                 &resp->params.key_material;
 584         int len;
 585
 586         len = le16_to_cpu(key->key_param_set.key_len);
 587         if (len > sizeof(key->key_param_set.key))
 588                 return -EINVAL;
 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 = cpu_to_le16(len);
 603         memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key, len);
 604
 605         return 0;
 606 }
 607
 608 /*
 609  * This function handles the command response of set/get v2 key material.
 610  *
 611  * Handling includes updating the driver parameters to reflect the
 612  * changes.
 613  */
 614 static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
 615                                               struct host_cmd_ds_command *resp)
 616 {
 617         struct host_cmd_ds_802_11_key_material_v2 *key_v2;
 618         int len;
 619
 620         key_v2 = &resp->params.key_material_v2;
 621
 622         len = le16_to_cpu(key_v2->key_param_set.key_params.aes.key_len);
 623         if (len > sizeof(key_v2->key_param_set.key_params.aes.key))
 624                 return -EINVAL;
 625
 626         if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) {
 627                 if ((le16_to_cpu(key_v2->key_param_set.key_info) & KEY_MCAST)) {
 628                         mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is set\n");
 629                         priv->wpa_is_gtk_set = true;
 630                         priv->scan_block = false;
 631                         priv->port_open = true;
 632                 }
 633         }
 634
 635         if (key_v2->key_param_set.key_type != KEY_TYPE_ID_AES)
 636                 return 0;
 637
 638         memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0,
 639                sizeof(key_v2->key_param_set.key_params.aes.key));
 640         priv->aes_key_v2.key_param_set.key_params.aes.key_len =
 641                                 cpu_to_le16(len);
 642         memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key,
 643                key_v2->key_param_set.key_params.aes.key, len);
 644
 645         return 0;
 646 }
 647
 648 /* Wrapper function for processing response of key material command */
 649 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
 650                                            struct host_cmd_ds_command *resp)
 651 {
 652         if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
 653                 return mwifiex_ret_802_11_key_material_v2(priv, resp);
 654         else
 655                 return mwifiex_ret_802_11_key_material_v1(priv, resp);
 656 }
 657
 658 /*
 659  * This function handles the command response of get 11d domain information.
 660  */
 661 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
 662                                            struct host_cmd_ds_command *resp)
 663 {
 664         struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
 665                 &resp->params.domain_info_resp;
 666         struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
 667         u16 action = le16_to_cpu(domain_info->action);
 668         u8 no_of_triplet;
 669
 670         no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
 671                                 - IEEE80211_COUNTRY_STRING_LEN)
 672                               / sizeof(struct ieee80211_country_ie_triplet));
 673
 674         mwifiex_dbg(priv->adapter, INFO,
 675                     "info: 11D Domain Info Resp: no_of_triplet=%d\n",
 676                     no_of_triplet);
 677
 678         if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
 679                 mwifiex_dbg(priv->adapter, FATAL,
 680                             "11D: invalid number of triplets %d returned\n",
 681                             no_of_triplet);
 682                 return -1;
 683         }
 684
 685         switch (action) {
 686         case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
 687                 break;
 688         case HostCmd_ACT_GEN_GET:
 689                 break;
 690         default:
 691                 mwifiex_dbg(priv->adapter, ERROR,
 692                             "11D: invalid action:%d\n", domain_info->action);
 693                 return -1;
 694         }
 695
 696         return 0;
 697 }
 698
 699 /*
 700  * This function handles the command response of get extended version.
 701  *
 702  * Handling includes forming the extended version string and sending it
 703  * to application.
 704  */
 705 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
 706                                struct host_cmd_ds_command *resp,
 707                                struct host_cmd_ds_version_ext *version_ext)
 708 {
 709         struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
 710
 711         if (version_ext) {
 712                 version_ext->version_str_sel = ver_ext->version_str_sel;
 713                 memcpy(version_ext->version_str, ver_ext->version_str,
 714                        sizeof(char) * 128);
 715                 memcpy(priv->version_str, ver_ext->version_str, 128);
 716         }
 717         return 0;
 718 }
 719
 720 /*
 721  * This function handles the command response of remain on channel.
 722  */
 723 static int
 724 mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
 725                            struct host_cmd_ds_command *resp,
 726                            struct host_cmd_ds_remain_on_chan *roc_cfg)
 727 {
 728         struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
 729
 730         if (roc_cfg)
 731                 memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
 732
 733         return 0;
 734 }
 735
 736 /*
 737  * This function handles the command response of P2P mode cfg.
 738  */
 739 static int
 740 mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
 741                          struct host_cmd_ds_command *resp,
 742                          void *data_buf)
 743 {
 744         struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
 745
 746         if (data_buf)
 747                 put_unaligned_le16(le16_to_cpu(mode_cfg->mode), data_buf);
 748
 749         return 0;
 750 }
 751
 752 /* This function handles the command response of mem_access command
 753  */
 754 static int
 755 mwifiex_ret_mem_access(struct mwifiex_private *priv,
 756                        struct host_cmd_ds_command *resp, void *pioctl_buf)
 757 {
 758         struct host_cmd_ds_mem_access *mem = (void *)&resp->params.mem;
 759
 760         priv->mem_rw.addr = le32_to_cpu(mem->addr);
 761         priv->mem_rw.value = le32_to_cpu(mem->value);
 762
 763         return 0;
 764 }
 765 /*
 766  * This function handles the command response of register access.
 767  *
 768  * The register value and offset are returned to the user. For EEPROM
 769  * access, the byte count is also returned.
 770  */
 771 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
 772                                   void *data_buf)
 773 {
 774         struct mwifiex_ds_reg_rw *reg_rw;
 775         struct mwifiex_ds_read_eeprom *eeprom;
 776         union reg {
 777                 struct host_cmd_ds_mac_reg_access *mac;
 778                 struct host_cmd_ds_bbp_reg_access *bbp;
 779                 struct host_cmd_ds_rf_reg_access *rf;
 780                 struct host_cmd_ds_pmic_reg_access *pmic;
 781                 struct host_cmd_ds_802_11_eeprom_access *eeprom;
 782         } r;
 783
 784         if (!data_buf)
 785                 return 0;
 786
 787         reg_rw = data_buf;
 788         eeprom = data_buf;
 789         switch (type) {
 790         case HostCmd_CMD_MAC_REG_ACCESS:
 791                 r.mac = &resp->params.mac_reg;
 792                 reg_rw->offset = (u32) le16_to_cpu(r.mac->offset);
 793                 reg_rw->value = le32_to_cpu(r.mac->value);
 794                 break;
 795         case HostCmd_CMD_BBP_REG_ACCESS:
 796                 r.bbp = &resp->params.bbp_reg;
 797                 reg_rw->offset = (u32) le16_to_cpu(r.bbp->offset);
 798                 reg_rw->value = (u32) r.bbp->value;
 799                 break;
 800
 801         case HostCmd_CMD_RF_REG_ACCESS:
 802                 r.rf = &resp->params.rf_reg;
 803                 reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
 804                 reg_rw->value = (u32) r.bbp->value;
 805                 break;
 806         case HostCmd_CMD_PMIC_REG_ACCESS:
 807                 r.pmic = &resp->params.pmic_reg;
 808                 reg_rw->offset = (u32) le16_to_cpu(r.pmic->offset);
 809                 reg_rw->value = (u32) r.pmic->value;
 810                 break;
 811         case HostCmd_CMD_CAU_REG_ACCESS:
 812                 r.rf = &resp->params.rf_reg;
 813                 reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
 814                 reg_rw->value = (u32) r.rf->value;
 815                 break;
 816         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 817                 r.eeprom = &resp->params.eeprom;
 818                 pr_debug("info: EEPROM read len=%x\n",
 819                                 le16_to_cpu(r.eeprom->byte_count));
 820                 if (eeprom->byte_count < le16_to_cpu(r.eeprom->byte_count)) {
 821                         eeprom->byte_count = 0;
 822                         pr_debug("info: EEPROM read length is too big\n");
 823                         return -1;
 824                 }
 825                 eeprom->offset = le16_to_cpu(r.eeprom->offset);
 826                 eeprom->byte_count = le16_to_cpu(r.eeprom->byte_count);
 827                 if (eeprom->byte_count > 0)
 828                         memcpy(&eeprom->value, &r.eeprom->value,
 829                                min((u16)MAX_EEPROM_DATA, eeprom->byte_count));
 830                 break;
 831         default:
 832                 return -1;
 833         }
 834         return 0;
 835 }
 836
 837 /*
 838  * This function handles the command response of get IBSS coalescing status.
 839  *
 840  * If the received BSSID is different than the current one, the current BSSID,
 841  * beacon interval, ATIM window and ERP information are updated, along with
 842  * changing the ad-hoc state accordingly.
 843  */
 844 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
 845                                               struct host_cmd_ds_command *resp)
 846 {
 847         struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
 848                                         &(resp->params.ibss_coalescing);
 849
 850         if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
 851                 return 0;
 852
 853         mwifiex_dbg(priv->adapter, INFO,
 854                     "info: new BSSID %pM\n", ibss_coal_resp->bssid);
 855
 856         /* If rsp has NULL BSSID, Just return..... No Action */
 857         if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
 858                 mwifiex_dbg(priv->adapter, FATAL, "new BSSID is NULL\n");
 859                 return 0;
 860         }
 861
 862         /* If BSSID is diff, modify current BSS parameters */
 863         if (!ether_addr_equal(priv->curr_bss_params.bss_descriptor.mac_address, ibss_coal_resp->bssid)) {
 864                 /* BSSID */
 865                 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
 866                        ibss_coal_resp->bssid, ETH_ALEN);
 867
 868                 /* Beacon Interval */
 869                 priv->curr_bss_params.bss_descriptor.beacon_period
 870                         = le16_to_cpu(ibss_coal_resp->beacon_interval);
 871
 872                 /* ERP Information */
 873                 priv->curr_bss_params.bss_descriptor.erp_flags =
 874                         (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
 875
 876                 priv->adhoc_state = ADHOC_COALESCED;
 877         }
 878
 879         return 0;
 880 }
 881 static int mwifiex_ret_tdls_oper(struct mwifiex_private *priv,
 882                                  struct host_cmd_ds_command *resp)
 883 {
 884         struct host_cmd_ds_tdls_oper *cmd_tdls_oper = &resp->params.tdls_oper;
 885         u16 reason = le16_to_cpu(cmd_tdls_oper->reason);
 886         u16 action = le16_to_cpu(cmd_tdls_oper->tdls_action);
 887         struct mwifiex_sta_node *node =
 888                            mwifiex_get_sta_entry(priv, cmd_tdls_oper->peer_mac);
 889
 890         switch (action) {
 891         case ACT_TDLS_DELETE:
 892                 if (reason) {
 893                         if (!node || reason == TDLS_ERR_LINK_NONEXISTENT)
 894                                 mwifiex_dbg(priv->adapter, MSG,
 895                                             "TDLS link delete for %pM failed: reason %d\n",
 896                                             cmd_tdls_oper->peer_mac, reason);
 897                         else
 898                                 mwifiex_dbg(priv->adapter, ERROR,
 899                                             "TDLS link delete for %pM failed: reason %d\n",
 900                                             cmd_tdls_oper->peer_mac, reason);
 901                 } else {
 902                         mwifiex_dbg(priv->adapter, MSG,
 903                                     "TDLS link delete for %pM successful\n",
 904                                     cmd_tdls_oper->peer_mac);
 905                 }
 906                 break;
 907         case ACT_TDLS_CREATE:
 908                 if (reason) {
 909                         mwifiex_dbg(priv->adapter, ERROR,
 910                                     "TDLS link creation for %pM failed: reason %d",
 911                                     cmd_tdls_oper->peer_mac, reason);
 912                         if (node && reason != TDLS_ERR_LINK_EXISTS)
 913                                 node->tdls_status = TDLS_SETUP_FAILURE;
 914                 } else {
 915                         mwifiex_dbg(priv->adapter, MSG,
 916                                     "TDLS link creation for %pM successful",
 917                                     cmd_tdls_oper->peer_mac);
 918                 }
 919                 break;
 920         case ACT_TDLS_CONFIG:
 921                 if (reason) {
 922                         mwifiex_dbg(priv->adapter, ERROR,
 923                                     "TDLS link config for %pM failed, reason %d\n",
 924                                     cmd_tdls_oper->peer_mac, reason);
 925                         if (node)
 926                                 node->tdls_status = TDLS_SETUP_FAILURE;
 927                 } else {
 928                         mwifiex_dbg(priv->adapter, MSG,
 929                                     "TDLS link config for %pM successful\n",
 930                                     cmd_tdls_oper->peer_mac);
 931                 }
 932                 break;
 933         default:
 934                 mwifiex_dbg(priv->adapter, ERROR,
 935                             "Unknown TDLS command action response %d", action);
 936                 return -1;
 937         }
 938
 939         return 0;
 940 }
 941 /*
 942  * This function handles the command response for subscribe event command.
 943  */
 944 static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
 945                                  struct host_cmd_ds_command *resp)
 946 {
 947         struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
 948                 &resp->params.subsc_evt;
 949
 950         /* For every subscribe event command (Get/Set/Clear), FW reports the
 951          * current set of subscribed events*/
 952         mwifiex_dbg(priv->adapter, EVENT,
 953                     "Bitmap of currently subscribed events: %16x\n",
 954                     le16_to_cpu(cmd_sub_event->events));
 955
 956         return 0;
 957 }
 958
 959 static int mwifiex_ret_uap_sta_list(struct mwifiex_private *priv,
 960                                     struct host_cmd_ds_command *resp)
 961 {
 962         struct host_cmd_ds_sta_list *sta_list =
 963                 &resp->params.sta_list;
 964         struct mwifiex_ie_types_sta_info *sta_info = (void *)&sta_list->tlv;
 965         int i;
 966         struct mwifiex_sta_node *sta_node;
 967
 968         for (i = 0; i < (le16_to_cpu(sta_list->sta_count)); i++) {
 969                 sta_node = mwifiex_get_sta_entry(priv, sta_info->mac);
 970                 if (unlikely(!sta_node))
 971                         continue;
 972
 973                 sta_node->stats.rssi = sta_info->rssi;
 974                 sta_info++;
 975         }
 976
 977         return 0;
 978 }
 979
 980 /* This function handles the command response of set_cfg_data */
 981 static int mwifiex_ret_cfg_data(struct mwifiex_private *priv,
 982                                 struct host_cmd_ds_command *resp)
 983 {
 984         if (resp->result != HostCmd_RESULT_OK) {
 985                 mwifiex_dbg(priv->adapter, ERROR, "Cal data cmd resp failed\n");
 986                 return -1;
 987         }
 988
 989         return 0;
 990 }
 991
 992 /** This Function handles the command response of sdio rx aggr */
 993 static int mwifiex_ret_sdio_rx_aggr_cfg(struct mwifiex_private *priv,
 994                                         struct host_cmd_ds_command *resp)
 995 {
 996         struct mwifiex_adapter *adapter = priv->adapter;
 997         struct host_cmd_sdio_sp_rx_aggr_cfg *cfg =
 998                                 &resp->params.sdio_rx_aggr_cfg;
 999
1000         adapter->sdio_rx_aggr_enable = cfg->enable;
1001         adapter->sdio_rx_block_size = le16_to_cpu(cfg->block_size);
1002
1003         return 0;
1004 }
1005
1006 static int mwifiex_ret_robust_coex(struct mwifiex_private *priv,
1007                                    struct host_cmd_ds_command *resp,
1008                                    bool *is_timeshare)
1009 {
1010         struct host_cmd_ds_robust_coex *coex = &resp->params.coex;
1011         struct mwifiex_ie_types_robust_coex *coex_tlv;
1012         u16 action = le16_to_cpu(coex->action);
1013         u32 mode;
1014
1015         coex_tlv = (struct mwifiex_ie_types_robust_coex
1016                     *)((u8 *)coex + sizeof(struct host_cmd_ds_robust_coex));
1017         if (action == HostCmd_ACT_GEN_GET) {
1018                 mode = le32_to_cpu(coex_tlv->mode);
1019                 if (mode == MWIFIEX_COEX_MODE_TIMESHARE)
1020                         *is_timeshare = true;
1021                 else
1022                         *is_timeshare = false;
1023         }
1024
1025         return 0;
1026 }
1027
1028 static struct ieee80211_regdomain *
1029 mwifiex_create_custom_regdomain(struct mwifiex_private *priv,
1030                                 u8 *buf, u16 buf_len)
1031 {
1032         u16 num_chan = buf_len / 2;
1033         struct ieee80211_regdomain *regd;
1034         struct ieee80211_reg_rule *rule;
1035         bool new_rule;
1036         int regd_size, idx, freq, prev_freq = 0;
1037         u32 bw, prev_bw = 0;
1038         u8 chflags, prev_chflags = 0, valid_rules = 0;
1039
1040         if (WARN_ON_ONCE(num_chan > NL80211_MAX_SUPP_REG_RULES))
1041                 return ERR_PTR(-EINVAL);
1042
1043         regd_size = sizeof(struct ieee80211_regdomain) +
1044                     num_chan * sizeof(struct ieee80211_reg_rule);
1045
1046         regd = kzalloc(regd_size, GFP_KERNEL);
1047         if (!regd)
1048                 return ERR_PTR(-ENOMEM);
1049
1050         for (idx = 0; idx < num_chan; idx++) {
1051                 u8 chan;
1052                 enum nl80211_band band;
1053
1054                 chan = *buf++;
1055                 if (!chan) {
1056                         kfree(regd);
1057                         return NULL;
1058                 }
1059                 chflags = *buf++;
1060                 band = (chan <= 14) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
1061                 freq = ieee80211_channel_to_frequency(chan, band);
1062                 new_rule = false;
1063
1064                 if (chflags & MWIFIEX_CHANNEL_DISABLED)
1065                         continue;
1066
1067                 if (band == NL80211_BAND_5GHZ) {
1068                         if (!(chflags & MWIFIEX_CHANNEL_NOHT80))
1069                                 bw = MHZ_TO_KHZ(80);
1070                         else if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1071                                 bw = MHZ_TO_KHZ(40);
1072                         else
1073                                 bw = MHZ_TO_KHZ(20);
1074                 } else {
1075                         if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1076                                 bw = MHZ_TO_KHZ(40);
1077                         else
1078                                 bw = MHZ_TO_KHZ(20);
1079                 }
1080
1081                 if (idx == 0 || prev_chflags != chflags || prev_bw != bw ||
1082                     freq - prev_freq > 20) {
1083                         valid_rules++;
1084                         new_rule = true;
1085                 }
1086
1087                 rule = &regd->reg_rules[valid_rules - 1];
1088
1089                 rule->freq_range.end_freq_khz = MHZ_TO_KHZ(freq + 10);
1090
1091                 prev_chflags = chflags;
1092                 prev_freq = freq;
1093                 prev_bw = bw;
1094
1095                 if (!new_rule)
1096                         continue;
1097
1098                 rule->freq_range.start_freq_khz = MHZ_TO_KHZ(freq - 10);
1099                 rule->power_rule.max_eirp = DBM_TO_MBM(19);
1100
1101                 if (chflags & MWIFIEX_CHANNEL_PASSIVE)
1102                         rule->flags = NL80211_RRF_NO_IR;
1103
1104                 if (chflags & MWIFIEX_CHANNEL_DFS)
1105                         rule->flags = NL80211_RRF_DFS;
1106
1107                 rule->freq_range.max_bandwidth_khz = bw;
1108         }
1109
1110         regd->n_reg_rules = valid_rules;
1111         regd->alpha2[0] = '9';
1112         regd->alpha2[1] = '9';
1113
1114         return regd;
1115 }
1116
1117 static int mwifiex_ret_chan_region_cfg(struct mwifiex_private *priv,
1118                                        struct host_cmd_ds_command *resp)
1119 {
1120         struct host_cmd_ds_chan_region_cfg *reg = &resp->params.reg_cfg;
1121         u16 action = le16_to_cpu(reg->action);
1122         u16 tlv, tlv_buf_len, tlv_buf_left;
1123         struct mwifiex_ie_types_header *head;
1124         struct ieee80211_regdomain *regd;
1125         u8 *tlv_buf;
1126
1127         if (action != HostCmd_ACT_GEN_GET)
1128                 return 0;
1129
1130         tlv_buf = (u8 *)reg + sizeof(*reg);
1131         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*reg);
1132
1133         while (tlv_buf_left >= sizeof(*head)) {
1134                 head = (struct mwifiex_ie_types_header *)tlv_buf;
1135                 tlv = le16_to_cpu(head->type);
1136                 tlv_buf_len = le16_to_cpu(head->len);
1137
1138                 if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
1139                         break;
1140
1141                 switch (tlv) {
1142                 case TLV_TYPE_CHAN_ATTR_CFG:
1143                         mwifiex_dbg_dump(priv->adapter, CMD_D, "CHAN:",
1144                                          (u8 *)head + sizeof(*head),
1145                                          tlv_buf_len);
1146                         regd = mwifiex_create_custom_regdomain(priv,
1147                                 (u8 *)head + sizeof(*head), tlv_buf_len);
1148                         if (!IS_ERR(regd))
1149                                 priv->adapter->regd = regd;
1150                         break;
1151                 }
1152
1153                 tlv_buf += (sizeof(*head) + tlv_buf_len);
1154                 tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
1155         }
1156
1157         return 0;
1158 }
1159
1160 static int mwifiex_ret_pkt_aggr_ctrl(struct mwifiex_private *priv,
1161                                      struct host_cmd_ds_command *resp)
1162 {
1163         struct host_cmd_ds_pkt_aggr_ctrl *pkt_aggr_ctrl =
1164                                         &resp->params.pkt_aggr_ctrl;
1165         struct mwifiex_adapter *adapter = priv->adapter;
1166
1167         adapter->bus_aggr.enable = le16_to_cpu(pkt_aggr_ctrl->enable);
1168         if (adapter->bus_aggr.enable)
1169                 adapter->intf_hdr_len = INTF_HEADER_LEN;
1170         adapter->bus_aggr.mode = MWIFIEX_BUS_AGGR_MODE_LEN_V2;
1171         adapter->bus_aggr.tx_aggr_max_size =
1172                                 le16_to_cpu(pkt_aggr_ctrl->tx_aggr_max_size);
1173         adapter->bus_aggr.tx_aggr_max_num =
1174                                 le16_to_cpu(pkt_aggr_ctrl->tx_aggr_max_num);
1175         adapter->bus_aggr.tx_aggr_align =
1176                                 le16_to_cpu(pkt_aggr_ctrl->tx_aggr_align);
1177
1178         return 0;
1179 }
1180
1181 static int mwifiex_ret_get_chan_info(struct mwifiex_private *priv,
1182                                      struct host_cmd_ds_command *resp,
1183                                      struct mwifiex_channel_band *channel_band)
1184 {
1185         struct host_cmd_ds_sta_configure *sta_cfg_cmd = &resp->params.sta_cfg;
1186         struct host_cmd_tlv_channel_band *tlv_band_channel;
1187
1188         tlv_band_channel =
1189         (struct host_cmd_tlv_channel_band *)sta_cfg_cmd->tlv_buffer;
1190         memcpy(&channel_band->band_config, &tlv_band_channel->band_config,
1191                sizeof(struct mwifiex_band_config));
1192         channel_band->channel = tlv_band_channel->channel;
1193
1194         return 0;
1195 }
1196
1197 /*
1198  * This function handles the command responses.
1199  *
1200  * This is a generic function, which calls command specific
1201  * response handlers based on the command ID.
1202  */
1203 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
1204                                 struct host_cmd_ds_command *resp)
1205 {
1206         int ret = 0;
1207         struct mwifiex_adapter *adapter = priv->adapter;
1208         void *data_buf = adapter->curr_cmd->data_buf;
1209
1210         /* If the command is not successful, cleanup and return failure */
1211         if (resp->result != HostCmd_RESULT_OK) {
1212                 mwifiex_process_cmdresp_error(priv, resp);
1213                 return -1;
1214         }
1215         /* Command successful, handle response */
1216         switch (cmdresp_no) {
1217         case HostCmd_CMD_GET_HW_SPEC:
1218                 ret = mwifiex_ret_get_hw_spec(priv, resp);
1219                 break;
1220         case HostCmd_CMD_CFG_DATA:
1221                 ret = mwifiex_ret_cfg_data(priv, resp);
1222                 break;
1223         case HostCmd_CMD_MAC_CONTROL:
1224                 break;
1225         case HostCmd_CMD_802_11_MAC_ADDRESS:
1226                 ret = mwifiex_ret_802_11_mac_address(priv, resp);
1227                 break;
1228         case HostCmd_CMD_MAC_MULTICAST_ADR:
1229                 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
1230                 break;
1231         case HostCmd_CMD_TX_RATE_CFG:
1232                 ret = mwifiex_ret_tx_rate_cfg(priv, resp);
1233                 break;
1234         case HostCmd_CMD_802_11_SCAN:
1235                 ret = mwifiex_ret_802_11_scan(priv, resp);
1236                 adapter->curr_cmd->wait_q_enabled = false;
1237                 break;
1238         case HostCmd_CMD_802_11_SCAN_EXT:
1239                 ret = mwifiex_ret_802_11_scan_ext(priv, resp);
1240                 adapter->curr_cmd->wait_q_enabled = false;
1241                 break;
1242         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
1243                 ret = mwifiex_ret_802_11_scan(priv, resp);
1244                 cfg80211_sched_scan_results(priv->wdev.wiphy, 0);
1245                 mwifiex_dbg(adapter, CMD,
1246                             "info: CMD_RESP: BG_SCAN result is ready!\n");
1247                 break;
1248         case HostCmd_CMD_802_11_BG_SCAN_CONFIG:
1249                 break;
1250         case HostCmd_CMD_TXPWR_CFG:
1251                 ret = mwifiex_ret_tx_power_cfg(priv, resp);
1252                 break;
1253         case HostCmd_CMD_RF_TX_PWR:
1254                 ret = mwifiex_ret_rf_tx_power(priv, resp);
1255                 break;
1256         case HostCmd_CMD_RF_ANTENNA:
1257                 ret = mwifiex_ret_rf_antenna(priv, resp);
1258                 break;
1259         case HostCmd_CMD_802_11_PS_MODE_ENH:
1260                 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
1261                 break;
1262         case HostCmd_CMD_802_11_HS_CFG_ENH:
1263                 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
1264                 break;
1265         case HostCmd_CMD_802_11_ASSOCIATE:
1266                 ret = mwifiex_ret_802_11_associate(priv, resp);
1267                 break;
1268         case HostCmd_CMD_802_11_DEAUTHENTICATE:
1269                 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
1270                 break;
1271         case HostCmd_CMD_802_11_AD_HOC_START:
1272         case HostCmd_CMD_802_11_AD_HOC_JOIN:
1273                 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
1274                 break;
1275         case HostCmd_CMD_802_11_AD_HOC_STOP:
1276                 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
1277                 break;
1278         case HostCmd_CMD_802_11_GET_LOG:
1279                 ret = mwifiex_ret_get_log(priv, resp, data_buf);
1280                 break;
1281         case HostCmd_CMD_RSSI_INFO:
1282                 ret = mwifiex_ret_802_11_rssi_info(priv, resp);
1283                 break;
1284         case HostCmd_CMD_802_11_SNMP_MIB:
1285                 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
1286                 break;
1287         case HostCmd_CMD_802_11_TX_RATE_QUERY:
1288                 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
1289                 break;
1290         case HostCmd_CMD_VERSION_EXT:
1291                 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
1292                 break;
1293         case HostCmd_CMD_REMAIN_ON_CHAN:
1294                 ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
1295                 break;
1296         case HostCmd_CMD_11AC_CFG:
1297                 break;
1298         case HostCmd_CMD_PACKET_AGGR_CTRL:
1299                 ret = mwifiex_ret_pkt_aggr_ctrl(priv, resp);
1300                 break;
1301         case HostCmd_CMD_P2P_MODE_CFG:
1302                 ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
1303                 break;
1304         case HostCmd_CMD_MGMT_FRAME_REG:
1305         case HostCmd_CMD_FUNC_INIT:
1306         case HostCmd_CMD_FUNC_SHUTDOWN:
1307                 break;
1308         case HostCmd_CMD_802_11_KEY_MATERIAL:
1309                 ret = mwifiex_ret_802_11_key_material(priv, resp);
1310                 break;
1311         case HostCmd_CMD_802_11D_DOMAIN_INFO:
1312                 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
1313                 break;
1314         case HostCmd_CMD_11N_ADDBA_REQ:
1315                 ret = mwifiex_ret_11n_addba_req(priv, resp);
1316                 break;
1317         case HostCmd_CMD_11N_DELBA:
1318                 ret = mwifiex_ret_11n_delba(priv, resp);
1319                 break;
1320         case HostCmd_CMD_11N_ADDBA_RSP:
1321                 ret = mwifiex_ret_11n_addba_resp(priv, resp);
1322                 break;
1323         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
1324                 if (0xffff == (u16)le16_to_cpu(resp->params.tx_buf.buff_size)) {
1325                         if (adapter->iface_type == MWIFIEX_USB &&
1326                             adapter->usb_mc_setup) {
1327                                 if (adapter->if_ops.multi_port_resync)
1328                                         adapter->if_ops.
1329                                                 multi_port_resync(adapter);
1330                                 adapter->usb_mc_setup = false;
1331                                 adapter->tx_lock_flag = false;
1332                         }
1333                         break;
1334                 }
1335                 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
1336                                                              tx_buf.buff_size);
1337                 adapter->tx_buf_size = (adapter->tx_buf_size
1338                                         / MWIFIEX_SDIO_BLOCK_SIZE)
1339                                        * MWIFIEX_SDIO_BLOCK_SIZE;
1340                 adapter->curr_tx_buf_size = adapter->tx_buf_size;
1341                 mwifiex_dbg(adapter, CMD, "cmd: curr_tx_buf_size=%d\n",
1342                             adapter->curr_tx_buf_size);
1343
1344                 if (adapter->if_ops.update_mp_end_port)
1345                         adapter->if_ops.update_mp_end_port(adapter,
1346                                 le16_to_cpu(resp->params.tx_buf.mp_end_port));
1347                 break;
1348         case HostCmd_CMD_AMSDU_AGGR_CTRL:
1349                 break;
1350         case HostCmd_CMD_WMM_GET_STATUS:
1351                 ret = mwifiex_ret_wmm_get_status(priv, resp);
1352                 break;
1353         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
1354                 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
1355                 break;
1356         case HostCmd_CMD_MEM_ACCESS:
1357                 ret = mwifiex_ret_mem_access(priv, resp, data_buf);
1358                 break;
1359         case HostCmd_CMD_MAC_REG_ACCESS:
1360         case HostCmd_CMD_BBP_REG_ACCESS:
1361         case HostCmd_CMD_RF_REG_ACCESS:
1362         case HostCmd_CMD_PMIC_REG_ACCESS:
1363         case HostCmd_CMD_CAU_REG_ACCESS:
1364         case HostCmd_CMD_802_11_EEPROM_ACCESS:
1365                 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
1366                 break;
1367         case HostCmd_CMD_SET_BSS_MODE:
1368                 break;
1369         case HostCmd_CMD_11N_CFG:
1370                 break;
1371         case HostCmd_CMD_PCIE_DESC_DETAILS:
1372                 break;
1373         case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
1374                 ret = mwifiex_ret_subsc_evt(priv, resp);
1375                 break;
1376         case HostCmd_CMD_UAP_SYS_CONFIG:
1377                 break;
1378         case HOST_CMD_APCMD_STA_LIST:
1379                 ret = mwifiex_ret_uap_sta_list(priv, resp);
1380                 break;
1381         case HostCmd_CMD_UAP_BSS_START:
1382                 adapter->tx_lock_flag = false;
1383                 adapter->pps_uapsd_mode = false;
1384                 adapter->delay_null_pkt = false;
1385                 priv->bss_started = 1;
1386                 break;
1387         case HostCmd_CMD_UAP_BSS_STOP:
1388                 priv->bss_started = 0;
1389                 break;
1390         case HostCmd_CMD_UAP_STA_DEAUTH:
1391                 break;
1392         case HOST_CMD_APCMD_SYS_RESET:
1393                 break;
1394         case HostCmd_CMD_MEF_CFG:
1395                 break;
1396         case HostCmd_CMD_COALESCE_CFG:
1397                 break;
1398         case HostCmd_CMD_TDLS_OPER:
1399                 ret = mwifiex_ret_tdls_oper(priv, resp);
1400         case HostCmd_CMD_MC_POLICY:
1401                 break;
1402         case HostCmd_CMD_CHAN_REPORT_REQUEST:
1403                 break;
1404         case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
1405                 ret = mwifiex_ret_sdio_rx_aggr_cfg(priv, resp);
1406                 break;
1407         case HostCmd_CMD_HS_WAKEUP_REASON:
1408                 ret = mwifiex_ret_wakeup_reason(priv, resp, data_buf);
1409                 break;
1410         case HostCmd_CMD_TDLS_CONFIG:
1411                 break;
1412         case HostCmd_CMD_ROBUST_COEX:
1413                 ret = mwifiex_ret_robust_coex(priv, resp, data_buf);
1414                 break;
1415         case HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG:
1416                 break;
1417         case HostCmd_CMD_CHAN_REGION_CFG:
1418                 ret = mwifiex_ret_chan_region_cfg(priv, resp);
1419                 break;
1420         case HostCmd_CMD_STA_CONFIGURE:
1421                 ret = mwifiex_ret_get_chan_info(priv, resp, data_buf);
1422                 break;
1423         default:
1424                 mwifiex_dbg(adapter, ERROR,
1425                             "CMD_RESP: unknown cmd response %#x\n",
1426                             resp->command);
1427                 break;
1428         }
1429
1430         return ret;
1431 }