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 = get_unaligned_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 < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap);
 302                              i++)
 303                                 priv->bitmap_rates[2 + i] =
 304                                         le16_to_cpu(rate_scope->
 305                                                     ht_mcs_rate_bitmap[i]);
 306
 307                         if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
 308                                 for (i = 0; i < ARRAY_SIZE(rate_scope->
 309                                                            vht_mcs_rate_bitmap);
 310                                      i++)
 311                                         priv->bitmap_rates[10 + i] =
 312                                             le16_to_cpu(rate_scope->
 313                                                         vht_mcs_rate_bitmap[i]);
 314                         }
 315                         break;
 316                         /* Add RATE_DROP tlv here */
 317                 }
 318
 319                 tlv_buf += (sizeof(*head) + tlv_buf_len);
 320                 tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
 321         }
 322
 323         priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
 324
 325         if (priv->is_data_rate_auto)
 326                 priv->data_rate = 0;
 327         else
 328                 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
 329                                         HostCmd_ACT_GEN_GET, 0, NULL, false);
 330
 331         return 0;
 332 }
 333
 334 /*
 335  * This function handles the command response of get Tx power level.
 336  *
 337  * Handling includes saving the maximum and minimum Tx power levels
 338  * in driver, as well as sending the values to user.
 339  */
 340 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
 341 {
 342         int length, max_power = -1, min_power = -1;
 343         struct mwifiex_types_power_group *pg_tlv_hdr;
 344         struct mwifiex_power_group *pg;
 345
 346         if (!data_buf)
 347                 return -1;
 348
 349         pg_tlv_hdr = (struct mwifiex_types_power_group *)((u8 *)data_buf);
 350         pg = (struct mwifiex_power_group *)
 351                 ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
 352         length = le16_to_cpu(pg_tlv_hdr->length);
 353
 354         /* At least one structure required to update power */
 355         if (length < sizeof(struct mwifiex_power_group))
 356                 return 0;
 357
 358         max_power = pg->power_max;
 359         min_power = pg->power_min;
 360         length -= sizeof(struct mwifiex_power_group);
 361
 362         while (length >= sizeof(struct mwifiex_power_group)) {
 363                 pg++;
 364                 if (max_power < pg->power_max)
 365                         max_power = pg->power_max;
 366
 367                 if (min_power > pg->power_min)
 368                         min_power = pg->power_min;
 369
 370                 length -= sizeof(struct mwifiex_power_group);
 371         }
 372         priv->min_tx_power_level = (u8) min_power;
 373         priv->max_tx_power_level = (u8) max_power;
 374
 375         return 0;
 376 }
 377
 378 /*
 379  * This function handles the command response of set/get Tx power
 380  * configurations.
 381  *
 382  * Handling includes changing the header fields into CPU format
 383  * and saving the current Tx power level in driver.
 384  */
 385 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
 386                                     struct host_cmd_ds_command *resp)
 387 {
 388         struct mwifiex_adapter *adapter = priv->adapter;
 389         struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
 390         struct mwifiex_types_power_group *pg_tlv_hdr;
 391         struct mwifiex_power_group *pg;
 392         u16 action = le16_to_cpu(txp_cfg->action);
 393         u16 tlv_buf_left;
 394
 395         pg_tlv_hdr = (struct mwifiex_types_power_group *)
 396                 ((u8 *)txp_cfg +
 397                  sizeof(struct host_cmd_ds_txpwr_cfg));
 398
 399         pg = (struct mwifiex_power_group *)
 400                 ((u8 *)pg_tlv_hdr +
 401                  sizeof(struct mwifiex_types_power_group));
 402
 403         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*txp_cfg);
 404         if (tlv_buf_left <
 405                         le16_to_cpu(pg_tlv_hdr->length) + sizeof(*pg_tlv_hdr))
 406                 return 0;
 407
 408         switch (action) {
 409         case HostCmd_ACT_GEN_GET:
 410                 if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
 411                         mwifiex_get_power_level(priv, pg_tlv_hdr);
 412
 413                 priv->tx_power_level = (u16) pg->power_min;
 414                 break;
 415
 416         case HostCmd_ACT_GEN_SET:
 417                 if (!le32_to_cpu(txp_cfg->mode))
 418                         break;
 419
 420                 if (pg->power_max == pg->power_min)
 421                         priv->tx_power_level = (u16) pg->power_min;
 422                 break;
 423         default:
 424                 mwifiex_dbg(adapter, ERROR,
 425                             "CMD_RESP: unknown cmd action %d\n",
 426                             action);
 427                 return 0;
 428         }
 429         mwifiex_dbg(adapter, INFO,
 430                     "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
 431                     priv->tx_power_level, priv->max_tx_power_level,
 432                     priv->min_tx_power_level);
 433
 434         return 0;
 435 }
 436
 437 /*
 438  * This function handles the command response of get RF Tx power.
 439  */
 440 static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv,
 441                                    struct host_cmd_ds_command *resp)
 442 {
 443         struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp;
 444         u16 action = le16_to_cpu(txp->action);
 445
 446         priv->tx_power_level = le16_to_cpu(txp->cur_level);
 447
 448         if (action == HostCmd_ACT_GEN_GET) {
 449                 priv->max_tx_power_level = txp->max_power;
 450                 priv->min_tx_power_level = txp->min_power;
 451         }
 452
 453         mwifiex_dbg(priv->adapter, INFO,
 454                     "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n",
 455                     priv->tx_power_level, priv->max_tx_power_level,
 456                     priv->min_tx_power_level);
 457
 458         return 0;
 459 }
 460
 461 /*
 462  * This function handles the command response of set rf antenna
 463  */
 464 static int mwifiex_ret_rf_antenna(struct mwifiex_private *priv,
 465                                   struct host_cmd_ds_command *resp)
 466 {
 467         struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo;
 468         struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso;
 469         struct mwifiex_adapter *adapter = priv->adapter;
 470
 471         if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
 472                 priv->tx_ant = le16_to_cpu(ant_mimo->tx_ant_mode);
 473                 priv->rx_ant = le16_to_cpu(ant_mimo->rx_ant_mode);
 474                 mwifiex_dbg(adapter, INFO,
 475                             "RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x\t"
 476                             "Rx action = 0x%x, Rx Mode = 0x%04x\n",
 477                             le16_to_cpu(ant_mimo->action_tx),
 478                             le16_to_cpu(ant_mimo->tx_ant_mode),
 479                             le16_to_cpu(ant_mimo->action_rx),
 480                             le16_to_cpu(ant_mimo->rx_ant_mode));
 481         } else {
 482                 priv->tx_ant = le16_to_cpu(ant_siso->ant_mode);
 483                 priv->rx_ant = le16_to_cpu(ant_siso->ant_mode);
 484                 mwifiex_dbg(adapter, INFO,
 485                             "RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n",
 486                             le16_to_cpu(ant_siso->action),
 487                             le16_to_cpu(ant_siso->ant_mode));
 488         }
 489         return 0;
 490 }
 491
 492 /*
 493  * This function handles the command response of set/get MAC address.
 494  *
 495  * Handling includes saving the MAC address in driver.
 496  */
 497 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
 498                                           struct host_cmd_ds_command *resp)
 499 {
 500         struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
 501                                                         &resp->params.mac_addr;
 502
 503         memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
 504
 505         mwifiex_dbg(priv->adapter, INFO,
 506                     "info: set mac address: %pM\n", priv->curr_addr);
 507
 508         return 0;
 509 }
 510
 511 /*
 512  * This function handles the command response of set/get MAC multicast
 513  * address.
 514  */
 515 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
 516                                          struct host_cmd_ds_command *resp)
 517 {
 518         return 0;
 519 }
 520
 521 /*
 522  * This function handles the command response of get Tx rate query.
 523  *
 524  * Handling includes changing the header fields into CPU format
 525  * and saving the Tx rate and HT information parameters in driver.
 526  *
 527  * Both rate configuration and current data rate can be retrieved
 528  * with this request.
 529  */
 530 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
 531                                             struct host_cmd_ds_command *resp)
 532 {
 533         priv->tx_rate = resp->params.tx_rate.tx_rate;
 534         priv->tx_htinfo = resp->params.tx_rate.ht_info;
 535         if (!priv->is_data_rate_auto)
 536                 priv->data_rate =
 537                         mwifiex_index_to_data_rate(priv, priv->tx_rate,
 538                                                    priv->tx_htinfo);
 539
 540         return 0;
 541 }
 542
 543 /*
 544  * This function handles the command response of a deauthenticate
 545  * command.
 546  *
 547  * If the deauthenticated MAC matches the current BSS MAC, the connection
 548  * state is reset.
 549  */
 550 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
 551                                              struct host_cmd_ds_command *resp)
 552 {
 553         struct mwifiex_adapter *adapter = priv->adapter;
 554
 555         adapter->dbg.num_cmd_deauth++;
 556         if (!memcmp(resp->params.deauth.mac_addr,
 557                     &priv->curr_bss_params.bss_descriptor.mac_address,
 558                     sizeof(resp->params.deauth.mac_addr)))
 559                 mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING,
 560                                             false);
 561
 562         return 0;
 563 }
 564
 565 /*
 566  * This function handles the command response of ad-hoc stop.
 567  *
 568  * The function resets the connection state in driver.
 569  */
 570 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
 571                                           struct host_cmd_ds_command *resp)
 572 {
 573         mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING, false);
 574         return 0;
 575 }
 576
 577 /*
 578  * This function handles the command response of set/get v1 key material.
 579  *
 580  * Handling includes updating the driver parameters to reflect the
 581  * changes.
 582  */
 583 static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv,
 584                                               struct host_cmd_ds_command *resp)
 585 {
 586         struct host_cmd_ds_802_11_key_material *key =
 587                                                 &resp->params.key_material;
 588         int len;
 589
 590         len = le16_to_cpu(key->key_param_set.key_len);
 591         if (len > sizeof(key->key_param_set.key))
 592                 return -EINVAL;
 593
 594         if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
 595                 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
 596                         mwifiex_dbg(priv->adapter, INFO,
 597                                     "info: key: GTK is set\n");
 598                         priv->wpa_is_gtk_set = true;
 599                         priv->scan_block = false;
 600                         priv->port_open = true;
 601                 }
 602         }
 603
 604         memset(priv->aes_key.key_param_set.key, 0,
 605                sizeof(key->key_param_set.key));
 606         priv->aes_key.key_param_set.key_len = cpu_to_le16(len);
 607         memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key, len);
 608
 609         return 0;
 610 }
 611
 612 /*
 613  * This function handles the command response of set/get v2 key material.
 614  *
 615  * Handling includes updating the driver parameters to reflect the
 616  * changes.
 617  */
 618 static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
 619                                               struct host_cmd_ds_command *resp)
 620 {
 621         struct host_cmd_ds_802_11_key_material_v2 *key_v2;
 622         int len;
 623
 624         key_v2 = &resp->params.key_material_v2;
 625
 626         len = le16_to_cpu(key_v2->key_param_set.key_params.aes.key_len);
 627         if (len > sizeof(key_v2->key_param_set.key_params.aes.key))
 628                 return -EINVAL;
 629
 630         if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) {
 631                 if ((le16_to_cpu(key_v2->key_param_set.key_info) & KEY_MCAST)) {
 632                         mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is set\n");
 633                         priv->wpa_is_gtk_set = true;
 634                         priv->scan_block = false;
 635                         priv->port_open = true;
 636                 }
 637         }
 638
 639         if (key_v2->key_param_set.key_type != KEY_TYPE_ID_AES)
 640                 return 0;
 641
 642         memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0,
 643                sizeof(key_v2->key_param_set.key_params.aes.key));
 644         priv->aes_key_v2.key_param_set.key_params.aes.key_len =
 645                                 cpu_to_le16(len);
 646         memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key,
 647                key_v2->key_param_set.key_params.aes.key, len);
 648
 649         return 0;
 650 }
 651
 652 /* Wrapper function for processing response of key material command */
 653 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
 654                                            struct host_cmd_ds_command *resp)
 655 {
 656         if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
 657                 return mwifiex_ret_802_11_key_material_v2(priv, resp);
 658         else
 659                 return mwifiex_ret_802_11_key_material_v1(priv, resp);
 660 }
 661
 662 /*
 663  * This function handles the command response of get 11d domain information.
 664  */
 665 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
 666                                            struct host_cmd_ds_command *resp)
 667 {
 668         struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
 669                 &resp->params.domain_info_resp;
 670         struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
 671         u16 action = le16_to_cpu(domain_info->action);
 672         u8 no_of_triplet;
 673
 674         no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
 675                                 - IEEE80211_COUNTRY_STRING_LEN)
 676                               / sizeof(struct ieee80211_country_ie_triplet));
 677
 678         mwifiex_dbg(priv->adapter, INFO,
 679                     "info: 11D Domain Info Resp: no_of_triplet=%d\n",
 680                     no_of_triplet);
 681
 682         if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
 683                 mwifiex_dbg(priv->adapter, FATAL,
 684                             "11D: invalid number of triplets %d returned\n",
 685                             no_of_triplet);
 686                 return -1;
 687         }
 688
 689         switch (action) {
 690         case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
 691                 break;
 692         case HostCmd_ACT_GEN_GET:
 693                 break;
 694         default:
 695                 mwifiex_dbg(priv->adapter, ERROR,
 696                             "11D: invalid action:%d\n", domain_info->action);
 697                 return -1;
 698         }
 699
 700         return 0;
 701 }
 702
 703 /*
 704  * This function handles the command response of get extended version.
 705  *
 706  * Handling includes forming the extended version string and sending it
 707  * to application.
 708  */
 709 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
 710                                struct host_cmd_ds_command *resp,
 711                                struct host_cmd_ds_version_ext *version_ext)
 712 {
 713         struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
 714
 715         if (version_ext) {
 716                 version_ext->version_str_sel = ver_ext->version_str_sel;
 717                 memcpy(version_ext->version_str, ver_ext->version_str,
 718                        sizeof(char) * 128);
 719                 memcpy(priv->version_str, ver_ext->version_str, 128);
 720         }
 721         return 0;
 722 }
 723
 724 /*
 725  * This function handles the command response of remain on channel.
 726  */
 727 static int
 728 mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
 729                            struct host_cmd_ds_command *resp,
 730                            struct host_cmd_ds_remain_on_chan *roc_cfg)
 731 {
 732         struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
 733
 734         if (roc_cfg)
 735                 memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
 736
 737         return 0;
 738 }
 739
 740 /*
 741  * This function handles the command response of P2P mode cfg.
 742  */
 743 static int
 744 mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
 745                          struct host_cmd_ds_command *resp,
 746                          void *data_buf)
 747 {
 748         struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
 749
 750         if (data_buf)
 751                 put_unaligned_le16(le16_to_cpu(mode_cfg->mode), data_buf);
 752
 753         return 0;
 754 }
 755
 756 /* This function handles the command response of mem_access command
 757  */
 758 static int
 759 mwifiex_ret_mem_access(struct mwifiex_private *priv,
 760                        struct host_cmd_ds_command *resp, void *pioctl_buf)
 761 {
 762         struct host_cmd_ds_mem_access *mem = (void *)&resp->params.mem;
 763
 764         priv->mem_rw.addr = le32_to_cpu(mem->addr);
 765         priv->mem_rw.value = le32_to_cpu(mem->value);
 766
 767         return 0;
 768 }
 769 /*
 770  * This function handles the command response of register access.
 771  *
 772  * The register value and offset are returned to the user. For EEPROM
 773  * access, the byte count is also returned.
 774  */
 775 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
 776                                   void *data_buf)
 777 {
 778         struct mwifiex_ds_reg_rw *reg_rw;
 779         struct mwifiex_ds_read_eeprom *eeprom;
 780         union reg {
 781                 struct host_cmd_ds_mac_reg_access *mac;
 782                 struct host_cmd_ds_bbp_reg_access *bbp;
 783                 struct host_cmd_ds_rf_reg_access *rf;
 784                 struct host_cmd_ds_pmic_reg_access *pmic;
 785                 struct host_cmd_ds_802_11_eeprom_access *eeprom;
 786         } r;
 787
 788         if (!data_buf)
 789                 return 0;
 790
 791         reg_rw = data_buf;
 792         eeprom = data_buf;
 793         switch (type) {
 794         case HostCmd_CMD_MAC_REG_ACCESS:
 795                 r.mac = &resp->params.mac_reg;
 796                 reg_rw->offset = (u32) le16_to_cpu(r.mac->offset);
 797                 reg_rw->value = le32_to_cpu(r.mac->value);
 798                 break;
 799         case HostCmd_CMD_BBP_REG_ACCESS:
 800                 r.bbp = &resp->params.bbp_reg;
 801                 reg_rw->offset = (u32) le16_to_cpu(r.bbp->offset);
 802                 reg_rw->value = (u32) r.bbp->value;
 803                 break;
 804
 805         case HostCmd_CMD_RF_REG_ACCESS:
 806                 r.rf = &resp->params.rf_reg;
 807                 reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
 808                 reg_rw->value = (u32) r.bbp->value;
 809                 break;
 810         case HostCmd_CMD_PMIC_REG_ACCESS:
 811                 r.pmic = &resp->params.pmic_reg;
 812                 reg_rw->offset = (u32) le16_to_cpu(r.pmic->offset);
 813                 reg_rw->value = (u32) r.pmic->value;
 814                 break;
 815         case HostCmd_CMD_CAU_REG_ACCESS:
 816                 r.rf = &resp->params.rf_reg;
 817                 reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
 818                 reg_rw->value = (u32) r.rf->value;
 819                 break;
 820         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 821                 r.eeprom = &resp->params.eeprom;
 822                 pr_debug("info: EEPROM read len=%x\n",
 823                                 le16_to_cpu(r.eeprom->byte_count));
 824                 if (eeprom->byte_count < le16_to_cpu(r.eeprom->byte_count)) {
 825                         eeprom->byte_count = 0;
 826                         pr_debug("info: EEPROM read length is too big\n");
 827                         return -1;
 828                 }
 829                 eeprom->offset = le16_to_cpu(r.eeprom->offset);
 830                 eeprom->byte_count = le16_to_cpu(r.eeprom->byte_count);
 831                 if (eeprom->byte_count > 0)
 832                         memcpy(&eeprom->value, &r.eeprom->value,
 833                                min((u16)MAX_EEPROM_DATA, eeprom->byte_count));
 834                 break;
 835         default:
 836                 return -1;
 837         }
 838         return 0;
 839 }
 840
 841 /*
 842  * This function handles the command response of get IBSS coalescing status.
 843  *
 844  * If the received BSSID is different than the current one, the current BSSID,
 845  * beacon interval, ATIM window and ERP information are updated, along with
 846  * changing the ad-hoc state accordingly.
 847  */
 848 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
 849                                               struct host_cmd_ds_command *resp)
 850 {
 851         struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
 852                                         &(resp->params.ibss_coalescing);
 853
 854         if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
 855                 return 0;
 856
 857         mwifiex_dbg(priv->adapter, INFO,
 858                     "info: new BSSID %pM\n", ibss_coal_resp->bssid);
 859
 860         /* If rsp has NULL BSSID, Just return..... No Action */
 861         if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
 862                 mwifiex_dbg(priv->adapter, FATAL, "new BSSID is NULL\n");
 863                 return 0;
 864         }
 865
 866         /* If BSSID is diff, modify current BSS parameters */
 867         if (!ether_addr_equal(priv->curr_bss_params.bss_descriptor.mac_address, ibss_coal_resp->bssid)) {
 868                 /* BSSID */
 869                 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
 870                        ibss_coal_resp->bssid, ETH_ALEN);
 871
 872                 /* Beacon Interval */
 873                 priv->curr_bss_params.bss_descriptor.beacon_period
 874                         = le16_to_cpu(ibss_coal_resp->beacon_interval);
 875
 876                 /* ERP Information */
 877                 priv->curr_bss_params.bss_descriptor.erp_flags =
 878                         (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
 879
 880                 priv->adhoc_state = ADHOC_COALESCED;
 881         }
 882
 883         return 0;
 884 }
 885 static int mwifiex_ret_tdls_oper(struct mwifiex_private *priv,
 886                                  struct host_cmd_ds_command *resp)
 887 {
 888         struct host_cmd_ds_tdls_oper *cmd_tdls_oper = &resp->params.tdls_oper;
 889         u16 reason = le16_to_cpu(cmd_tdls_oper->reason);
 890         u16 action = le16_to_cpu(cmd_tdls_oper->tdls_action);
 891         struct mwifiex_sta_node *node =
 892                            mwifiex_get_sta_entry(priv, cmd_tdls_oper->peer_mac);
 893
 894         switch (action) {
 895         case ACT_TDLS_DELETE:
 896                 if (reason) {
 897                         if (!node || reason == TDLS_ERR_LINK_NONEXISTENT)
 898                                 mwifiex_dbg(priv->adapter, MSG,
 899                                             "TDLS link delete for %pM failed: reason %d\n",
 900                                             cmd_tdls_oper->peer_mac, reason);
 901                         else
 902                                 mwifiex_dbg(priv->adapter, ERROR,
 903                                             "TDLS link delete for %pM failed: reason %d\n",
 904                                             cmd_tdls_oper->peer_mac, reason);
 905                 } else {
 906                         mwifiex_dbg(priv->adapter, MSG,
 907                                     "TDLS link delete for %pM successful\n",
 908                                     cmd_tdls_oper->peer_mac);
 909                 }
 910                 break;
 911         case ACT_TDLS_CREATE:
 912                 if (reason) {
 913                         mwifiex_dbg(priv->adapter, ERROR,
 914                                     "TDLS link creation for %pM failed: reason %d",
 915                                     cmd_tdls_oper->peer_mac, reason);
 916                         if (node && reason != TDLS_ERR_LINK_EXISTS)
 917                                 node->tdls_status = TDLS_SETUP_FAILURE;
 918                 } else {
 919                         mwifiex_dbg(priv->adapter, MSG,
 920                                     "TDLS link creation for %pM successful",
 921                                     cmd_tdls_oper->peer_mac);
 922                 }
 923                 break;
 924         case ACT_TDLS_CONFIG:
 925                 if (reason) {
 926                         mwifiex_dbg(priv->adapter, ERROR,
 927                                     "TDLS link config for %pM failed, reason %d\n",
 928                                     cmd_tdls_oper->peer_mac, reason);
 929                         if (node)
 930                                 node->tdls_status = TDLS_SETUP_FAILURE;
 931                 } else {
 932                         mwifiex_dbg(priv->adapter, MSG,
 933                                     "TDLS link config for %pM successful\n",
 934                                     cmd_tdls_oper->peer_mac);
 935                 }
 936                 break;
 937         default:
 938                 mwifiex_dbg(priv->adapter, ERROR,
 939                             "Unknown TDLS command action response %d", action);
 940                 return -1;
 941         }
 942
 943         return 0;
 944 }
 945 /*
 946  * This function handles the command response for subscribe event command.
 947  */
 948 static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
 949                                  struct host_cmd_ds_command *resp)
 950 {
 951         struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
 952                 &resp->params.subsc_evt;
 953
 954         /* For every subscribe event command (Get/Set/Clear), FW reports the
 955          * current set of subscribed events*/
 956         mwifiex_dbg(priv->adapter, EVENT,
 957                     "Bitmap of currently subscribed events: %16x\n",
 958                     le16_to_cpu(cmd_sub_event->events));
 959
 960         return 0;
 961 }
 962
 963 static int mwifiex_ret_uap_sta_list(struct mwifiex_private *priv,
 964                                     struct host_cmd_ds_command *resp)
 965 {
 966         struct host_cmd_ds_sta_list *sta_list =
 967                 &resp->params.sta_list;
 968         struct mwifiex_ie_types_sta_info *sta_info = (void *)&sta_list->tlv;
 969         int i;
 970         struct mwifiex_sta_node *sta_node;
 971
 972         for (i = 0; i < (le16_to_cpu(sta_list->sta_count)); i++) {
 973                 sta_node = mwifiex_get_sta_entry(priv, sta_info->mac);
 974                 if (unlikely(!sta_node))
 975                         continue;
 976
 977                 sta_node->stats.rssi = sta_info->rssi;
 978                 sta_info++;
 979         }
 980
 981         return 0;
 982 }
 983
 984 /* This function handles the command response of set_cfg_data */
 985 static int mwifiex_ret_cfg_data(struct mwifiex_private *priv,
 986                                 struct host_cmd_ds_command *resp)
 987 {
 988         if (resp->result != HostCmd_RESULT_OK) {
 989                 mwifiex_dbg(priv->adapter, ERROR, "Cal data cmd resp failed\n");
 990                 return -1;
 991         }
 992
 993         return 0;
 994 }
 995
 996 /** This Function handles the command response of sdio rx aggr */
 997 static int mwifiex_ret_sdio_rx_aggr_cfg(struct mwifiex_private *priv,
 998                                         struct host_cmd_ds_command *resp)
 999 {
1000         struct mwifiex_adapter *adapter = priv->adapter;
1001         struct host_cmd_sdio_sp_rx_aggr_cfg *cfg =
1002                                 &resp->params.sdio_rx_aggr_cfg;
1003
1004         adapter->sdio_rx_aggr_enable = cfg->enable;
1005         adapter->sdio_rx_block_size = le16_to_cpu(cfg->block_size);
1006
1007         return 0;
1008 }
1009
1010 static int mwifiex_ret_robust_coex(struct mwifiex_private *priv,
1011                                    struct host_cmd_ds_command *resp,
1012                                    bool *is_timeshare)
1013 {
1014         struct host_cmd_ds_robust_coex *coex = &resp->params.coex;
1015         struct mwifiex_ie_types_robust_coex *coex_tlv;
1016         u16 action = le16_to_cpu(coex->action);
1017         u32 mode;
1018
1019         coex_tlv = (struct mwifiex_ie_types_robust_coex
1020                     *)((u8 *)coex + sizeof(struct host_cmd_ds_robust_coex));
1021         if (action == HostCmd_ACT_GEN_GET) {
1022                 mode = le32_to_cpu(coex_tlv->mode);
1023                 if (mode == MWIFIEX_COEX_MODE_TIMESHARE)
1024                         *is_timeshare = true;
1025                 else
1026                         *is_timeshare = false;
1027         }
1028
1029         return 0;
1030 }
1031
1032 static struct ieee80211_regdomain *
1033 mwifiex_create_custom_regdomain(struct mwifiex_private *priv,
1034                                 u8 *buf, u16 buf_len)
1035 {
1036         u16 num_chan = buf_len / 2;
1037         struct ieee80211_regdomain *regd;
1038         struct ieee80211_reg_rule *rule;
1039         bool new_rule;
1040         int regd_size, idx, freq, prev_freq = 0;
1041         u32 bw, prev_bw = 0;
1042         u8 chflags, prev_chflags = 0, valid_rules = 0;
1043
1044         if (WARN_ON_ONCE(num_chan > NL80211_MAX_SUPP_REG_RULES))
1045                 return ERR_PTR(-EINVAL);
1046
1047         regd_size = sizeof(struct ieee80211_regdomain) +
1048                     num_chan * sizeof(struct ieee80211_reg_rule);
1049
1050         regd = kzalloc(regd_size, GFP_KERNEL);
1051         if (!regd)
1052                 return ERR_PTR(-ENOMEM);
1053
1054         for (idx = 0; idx < num_chan; idx++) {
1055                 u8 chan;
1056                 enum nl80211_band band;
1057
1058                 chan = *buf++;
1059                 if (!chan) {
1060                         kfree(regd);
1061                         return NULL;
1062                 }
1063                 chflags = *buf++;
1064                 band = (chan <= 14) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
1065                 freq = ieee80211_channel_to_frequency(chan, band);
1066                 new_rule = false;
1067
1068                 if (chflags & MWIFIEX_CHANNEL_DISABLED)
1069                         continue;
1070
1071                 if (band == NL80211_BAND_5GHZ) {
1072                         if (!(chflags & MWIFIEX_CHANNEL_NOHT80))
1073                                 bw = MHZ_TO_KHZ(80);
1074                         else if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1075                                 bw = MHZ_TO_KHZ(40);
1076                         else
1077                                 bw = MHZ_TO_KHZ(20);
1078                 } else {
1079                         if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1080                                 bw = MHZ_TO_KHZ(40);
1081                         else
1082                                 bw = MHZ_TO_KHZ(20);
1083                 }
1084
1085                 if (idx == 0 || prev_chflags != chflags || prev_bw != bw ||
1086                     freq - prev_freq > 20) {
1087                         valid_rules++;
1088                         new_rule = true;
1089                 }
1090
1091                 rule = &regd->reg_rules[valid_rules - 1];
1092
1093                 rule->freq_range.end_freq_khz = MHZ_TO_KHZ(freq + 10);
1094
1095                 prev_chflags = chflags;
1096                 prev_freq = freq;
1097                 prev_bw = bw;
1098
1099                 if (!new_rule)
1100                         continue;
1101
1102                 rule->freq_range.start_freq_khz = MHZ_TO_KHZ(freq - 10);
1103                 rule->power_rule.max_eirp = DBM_TO_MBM(19);
1104
1105                 if (chflags & MWIFIEX_CHANNEL_PASSIVE)
1106                         rule->flags = NL80211_RRF_NO_IR;
1107
1108                 if (chflags & MWIFIEX_CHANNEL_DFS)
1109                         rule->flags = NL80211_RRF_DFS;
1110
1111                 rule->freq_range.max_bandwidth_khz = bw;
1112         }
1113
1114         regd->n_reg_rules = valid_rules;
1115         regd->alpha2[0] = '9';
1116         regd->alpha2[1] = '9';
1117
1118         return regd;
1119 }
1120
1121 static int mwifiex_ret_chan_region_cfg(struct mwifiex_private *priv,
1122                                        struct host_cmd_ds_command *resp)
1123 {
1124         struct host_cmd_ds_chan_region_cfg *reg = &resp->params.reg_cfg;
1125         u16 action = le16_to_cpu(reg->action);
1126         u16 tlv, tlv_buf_len, tlv_buf_left;
1127         struct mwifiex_ie_types_header *head;
1128         struct ieee80211_regdomain *regd;
1129         u8 *tlv_buf;
1130
1131         if (action != HostCmd_ACT_GEN_GET)
1132                 return 0;
1133
1134         tlv_buf = (u8 *)reg + sizeof(*reg);
1135         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*reg);
1136
1137         while (tlv_buf_left >= sizeof(*head)) {
1138                 head = (struct mwifiex_ie_types_header *)tlv_buf;
1139                 tlv = le16_to_cpu(head->type);
1140                 tlv_buf_len = le16_to_cpu(head->len);
1141
1142                 if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
1143                         break;
1144
1145                 switch (tlv) {
1146                 case TLV_TYPE_CHAN_ATTR_CFG:
1147                         mwifiex_dbg_dump(priv->adapter, CMD_D, "CHAN:",
1148                                          (u8 *)head + sizeof(*head),
1149                                          tlv_buf_len);
1150                         regd = mwifiex_create_custom_regdomain(priv,
1151                                 (u8 *)head + sizeof(*head), tlv_buf_len);
1152                         if (!IS_ERR(regd))
1153                                 priv->adapter->regd = regd;
1154                         break;
1155                 }
1156
1157                 tlv_buf += (sizeof(*head) + tlv_buf_len);
1158                 tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
1159         }
1160
1161         return 0;
1162 }
1163
1164 static int mwifiex_ret_pkt_aggr_ctrl(struct mwifiex_private *priv,
1165                                      struct host_cmd_ds_command *resp)
1166 {
1167         struct host_cmd_ds_pkt_aggr_ctrl *pkt_aggr_ctrl =
1168                                         &resp->params.pkt_aggr_ctrl;
1169         struct mwifiex_adapter *adapter = priv->adapter;
1170
1171         adapter->bus_aggr.enable = le16_to_cpu(pkt_aggr_ctrl->enable);
1172         if (adapter->bus_aggr.enable)
1173                 adapter->intf_hdr_len = INTF_HEADER_LEN;
1174         adapter->bus_aggr.mode = MWIFIEX_BUS_AGGR_MODE_LEN_V2;
1175         adapter->bus_aggr.tx_aggr_max_size =
1176                                 le16_to_cpu(pkt_aggr_ctrl->tx_aggr_max_size);
1177         adapter->bus_aggr.tx_aggr_max_num =
1178                                 le16_to_cpu(pkt_aggr_ctrl->tx_aggr_max_num);
1179         adapter->bus_aggr.tx_aggr_align =
1180                                 le16_to_cpu(pkt_aggr_ctrl->tx_aggr_align);
1181
1182         return 0;
1183 }
1184
1185 /*
1186  * This function handles the command responses.
1187  *
1188  * This is a generic function, which calls command specific
1189  * response handlers based on the command ID.
1190  */
1191 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
1192                                 struct host_cmd_ds_command *resp)
1193 {
1194         int ret = 0;
1195         struct mwifiex_adapter *adapter = priv->adapter;
1196         void *data_buf = adapter->curr_cmd->data_buf;
1197
1198         /* If the command is not successful, cleanup and return failure */
1199         if (resp->result != HostCmd_RESULT_OK) {
1200                 mwifiex_process_cmdresp_error(priv, resp);
1201                 return -1;
1202         }
1203         /* Command successful, handle response */
1204         switch (cmdresp_no) {
1205         case HostCmd_CMD_GET_HW_SPEC:
1206                 ret = mwifiex_ret_get_hw_spec(priv, resp);
1207                 break;
1208         case HostCmd_CMD_CFG_DATA:
1209                 ret = mwifiex_ret_cfg_data(priv, resp);
1210                 break;
1211         case HostCmd_CMD_MAC_CONTROL:
1212                 break;
1213         case HostCmd_CMD_802_11_MAC_ADDRESS:
1214                 ret = mwifiex_ret_802_11_mac_address(priv, resp);
1215                 break;
1216         case HostCmd_CMD_MAC_MULTICAST_ADR:
1217                 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
1218                 break;
1219         case HostCmd_CMD_TX_RATE_CFG:
1220                 ret = mwifiex_ret_tx_rate_cfg(priv, resp);
1221                 break;
1222         case HostCmd_CMD_802_11_SCAN:
1223                 ret = mwifiex_ret_802_11_scan(priv, resp);
1224                 adapter->curr_cmd->wait_q_enabled = false;
1225                 break;
1226         case HostCmd_CMD_802_11_SCAN_EXT:
1227                 ret = mwifiex_ret_802_11_scan_ext(priv, resp);
1228                 adapter->curr_cmd->wait_q_enabled = false;
1229                 break;
1230         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
1231                 ret = mwifiex_ret_802_11_scan(priv, resp);
1232                 cfg80211_sched_scan_results(priv->wdev.wiphy, 0);
1233                 mwifiex_dbg(adapter, CMD,
1234                             "info: CMD_RESP: BG_SCAN result is ready!\n");
1235                 break;
1236         case HostCmd_CMD_802_11_BG_SCAN_CONFIG:
1237                 break;
1238         case HostCmd_CMD_TXPWR_CFG:
1239                 ret = mwifiex_ret_tx_power_cfg(priv, resp);
1240                 break;
1241         case HostCmd_CMD_RF_TX_PWR:
1242                 ret = mwifiex_ret_rf_tx_power(priv, resp);
1243                 break;
1244         case HostCmd_CMD_RF_ANTENNA:
1245                 ret = mwifiex_ret_rf_antenna(priv, resp);
1246                 break;
1247         case HostCmd_CMD_802_11_PS_MODE_ENH:
1248                 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
1249                 break;
1250         case HostCmd_CMD_802_11_HS_CFG_ENH:
1251                 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
1252                 break;
1253         case HostCmd_CMD_802_11_ASSOCIATE:
1254                 ret = mwifiex_ret_802_11_associate(priv, resp);
1255                 break;
1256         case HostCmd_CMD_802_11_DEAUTHENTICATE:
1257                 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
1258                 break;
1259         case HostCmd_CMD_802_11_AD_HOC_START:
1260         case HostCmd_CMD_802_11_AD_HOC_JOIN:
1261                 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
1262                 break;
1263         case HostCmd_CMD_802_11_AD_HOC_STOP:
1264                 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
1265                 break;
1266         case HostCmd_CMD_802_11_GET_LOG:
1267                 ret = mwifiex_ret_get_log(priv, resp, data_buf);
1268                 break;
1269         case HostCmd_CMD_RSSI_INFO:
1270                 ret = mwifiex_ret_802_11_rssi_info(priv, resp);
1271                 break;
1272         case HostCmd_CMD_802_11_SNMP_MIB:
1273                 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
1274                 break;
1275         case HostCmd_CMD_802_11_TX_RATE_QUERY:
1276                 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
1277                 break;
1278         case HostCmd_CMD_VERSION_EXT:
1279                 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
1280                 break;
1281         case HostCmd_CMD_REMAIN_ON_CHAN:
1282                 ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
1283                 break;
1284         case HostCmd_CMD_11AC_CFG:
1285                 break;
1286         case HostCmd_CMD_PACKET_AGGR_CTRL:
1287                 ret = mwifiex_ret_pkt_aggr_ctrl(priv, resp);
1288                 break;
1289         case HostCmd_CMD_P2P_MODE_CFG:
1290                 ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
1291                 break;
1292         case HostCmd_CMD_MGMT_FRAME_REG:
1293         case HostCmd_CMD_FUNC_INIT:
1294         case HostCmd_CMD_FUNC_SHUTDOWN:
1295                 break;
1296         case HostCmd_CMD_802_11_KEY_MATERIAL:
1297                 ret = mwifiex_ret_802_11_key_material(priv, resp);
1298                 break;
1299         case HostCmd_CMD_802_11D_DOMAIN_INFO:
1300                 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
1301                 break;
1302         case HostCmd_CMD_11N_ADDBA_REQ:
1303                 ret = mwifiex_ret_11n_addba_req(priv, resp);
1304                 break;
1305         case HostCmd_CMD_11N_DELBA:
1306                 ret = mwifiex_ret_11n_delba(priv, resp);
1307                 break;
1308         case HostCmd_CMD_11N_ADDBA_RSP:
1309                 ret = mwifiex_ret_11n_addba_resp(priv, resp);
1310                 break;
1311         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
1312                 if (0xffff == (u16)le16_to_cpu(resp->params.tx_buf.buff_size)) {
1313                         if (adapter->iface_type == MWIFIEX_USB &&
1314                             adapter->usb_mc_setup) {
1315                                 if (adapter->if_ops.multi_port_resync)
1316                                         adapter->if_ops.
1317                                                 multi_port_resync(adapter);
1318                                 adapter->usb_mc_setup = false;
1319                                 adapter->tx_lock_flag = false;
1320                         }
1321                         break;
1322                 }
1323                 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
1324                                                              tx_buf.buff_size);
1325                 adapter->tx_buf_size = (adapter->tx_buf_size
1326                                         / MWIFIEX_SDIO_BLOCK_SIZE)
1327                                        * MWIFIEX_SDIO_BLOCK_SIZE;
1328                 adapter->curr_tx_buf_size = adapter->tx_buf_size;
1329                 mwifiex_dbg(adapter, CMD, "cmd: curr_tx_buf_size=%d\n",
1330                             adapter->curr_tx_buf_size);
1331
1332                 if (adapter->if_ops.update_mp_end_port)
1333                         adapter->if_ops.update_mp_end_port(adapter,
1334                                 le16_to_cpu(resp->params.tx_buf.mp_end_port));
1335                 break;
1336         case HostCmd_CMD_AMSDU_AGGR_CTRL:
1337                 break;
1338         case HostCmd_CMD_WMM_GET_STATUS:
1339                 ret = mwifiex_ret_wmm_get_status(priv, resp);
1340                 break;
1341         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
1342                 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
1343                 break;
1344         case HostCmd_CMD_MEM_ACCESS:
1345                 ret = mwifiex_ret_mem_access(priv, resp, data_buf);
1346                 break;
1347         case HostCmd_CMD_MAC_REG_ACCESS:
1348         case HostCmd_CMD_BBP_REG_ACCESS:
1349         case HostCmd_CMD_RF_REG_ACCESS:
1350         case HostCmd_CMD_PMIC_REG_ACCESS:
1351         case HostCmd_CMD_CAU_REG_ACCESS:
1352         case HostCmd_CMD_802_11_EEPROM_ACCESS:
1353                 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
1354                 break;
1355         case HostCmd_CMD_SET_BSS_MODE:
1356                 break;
1357         case HostCmd_CMD_11N_CFG:
1358                 break;
1359         case HostCmd_CMD_PCIE_DESC_DETAILS:
1360                 break;
1361         case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
1362                 ret = mwifiex_ret_subsc_evt(priv, resp);
1363                 break;
1364         case HostCmd_CMD_UAP_SYS_CONFIG:
1365                 break;
1366         case HOST_CMD_APCMD_STA_LIST:
1367                 ret = mwifiex_ret_uap_sta_list(priv, resp);
1368                 break;
1369         case HostCmd_CMD_UAP_BSS_START:
1370                 adapter->tx_lock_flag = false;
1371                 adapter->pps_uapsd_mode = false;
1372                 adapter->delay_null_pkt = false;
1373                 priv->bss_started = 1;
1374                 break;
1375         case HostCmd_CMD_UAP_BSS_STOP:
1376                 priv->bss_started = 0;
1377                 break;
1378         case HostCmd_CMD_UAP_STA_DEAUTH:
1379                 break;
1380         case HOST_CMD_APCMD_SYS_RESET:
1381                 break;
1382         case HostCmd_CMD_MEF_CFG:
1383                 break;
1384         case HostCmd_CMD_COALESCE_CFG:
1385                 break;
1386         case HostCmd_CMD_TDLS_OPER:
1387                 ret = mwifiex_ret_tdls_oper(priv, resp);
1388         case HostCmd_CMD_MC_POLICY:
1389                 break;
1390         case HostCmd_CMD_CHAN_REPORT_REQUEST:
1391                 break;
1392         case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
1393                 ret = mwifiex_ret_sdio_rx_aggr_cfg(priv, resp);
1394                 break;
1395         case HostCmd_CMD_HS_WAKEUP_REASON:
1396                 ret = mwifiex_ret_wakeup_reason(priv, resp, data_buf);
1397                 break;
1398         case HostCmd_CMD_TDLS_CONFIG:
1399                 break;
1400         case HostCmd_CMD_ROBUST_COEX:
1401                 ret = mwifiex_ret_robust_coex(priv, resp, data_buf);
1402                 break;
1403         case HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG:
1404                 break;
1405         case HostCmd_CMD_CHAN_REGION_CFG:
1406                 ret = mwifiex_ret_chan_region_cfg(priv, resp);
1407                 break;
1408         default:
1409                 mwifiex_dbg(adapter, ERROR,
1410                             "CMD_RESP: unknown cmd response %#x\n",
1411                             resp->command);
1412                 break;
1413         }
1414
1415         return ret;
1416 }