drivers/net/wireless/mwifiex/sta_cmdresp.c

   1 /*
   2  * Marvell Wireless LAN device driver: station command response handling
   3  *
   4  * Copyright (C) 2011, 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
  28
  29 /*
  30  * This function handles the command response error case.
  31  *
  32  * For scan response error, the function cancels all the pending
  33  * scan commands and generates an event to inform the applications
  34  * of the scan completion.
  35  *
  36  * For Power Save command failure, we do not retry enter PS
  37  * command in case of Ad-hoc mode.
  38  *
  39  * For all other response errors, the current command buffer is freed
  40  * and returned to the free command queue.
  41  */
  42 static void
  43 mwifiex_process_cmdresp_error(struct mwifiex_private *priv,
  44                               struct host_cmd_ds_command *resp)
  45 {
  46         struct cmd_ctrl_node *cmd_node = NULL, *tmp_node;
  47         struct mwifiex_adapter *adapter = priv->adapter;
  48         struct host_cmd_ds_802_11_ps_mode_enh *pm;
  49         unsigned long flags;
  50
  51         dev_err(adapter->dev, "CMD_RESP: cmd %#x error, result=%#x\n",
  52                         resp->command, resp->result);
  53
  54         if (adapter->curr_cmd->wait_q_enabled)
  55                 adapter->cmd_wait_q.status = -1;
  56
  57         switch (le16_to_cpu(resp->command)) {
  58         case HostCmd_CMD_802_11_PS_MODE_ENH:
  59                 pm = &resp->params.psmode_enh;
  60                 dev_err(adapter->dev, "PS_MODE_ENH cmd failed: "
  61                                         "result=0x%x action=0x%X\n",
  62                                 resp->result, le16_to_cpu(pm->action));
  63                 /* We do not re-try enter-ps command in ad-hoc mode. */
  64                 if (le16_to_cpu(pm->action) == EN_AUTO_PS &&
  65                         (le16_to_cpu(pm->params.ps_bitmap) & BITMAP_STA_PS) &&
  66                                 priv->bss_mode == NL80211_IFTYPE_ADHOC)
  67                         adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
  68
  69                 break;
  70         case HostCmd_CMD_802_11_SCAN:
  71                 /* Cancel all pending scan command */
  72                 spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
  73                 list_for_each_entry_safe(cmd_node, tmp_node,
  74                                          &adapter->scan_pending_q, list) {
  75                         list_del(&cmd_node->list);
  76                         spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
  77                                                flags);
  78                         mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
  79                         spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
  80                 }
  81                 spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags);
  82
  83                 spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
  84                 adapter->scan_processing = false;
  85                 spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
  86                 if (priv->report_scan_result)
  87                         priv->report_scan_result = false;
  88                 if (priv->scan_pending_on_block) {
  89                         priv->scan_pending_on_block = false;
  90                         up(&priv->async_sem);
  91                 }
  92                 break;
  93
  94         case HostCmd_CMD_MAC_CONTROL:
  95                 break;
  96
  97         default:
  98                 break;
  99         }
 100         /* Handling errors here */
 101         mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd);
 102
 103         spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
 104         adapter->curr_cmd = NULL;
 105         spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
 106 }
 107
 108 /*
 109  * This function handles the command response of get RSSI info.
 110  *
 111  * Handling includes changing the header fields into CPU format
 112  * and saving the following parameters in driver -
 113  *      - Last data and beacon RSSI value
 114  *      - Average data and beacon RSSI value
 115  *      - Last data and beacon NF value
 116  *      - Average data and beacon NF value
 117  *
 118  * The parameters are send to the application as well, along with
 119  * calculated SNR values.
 120  */
 121 static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv,
 122                                         struct host_cmd_ds_command *resp,
 123                                         struct mwifiex_ds_get_signal *signal)
 124 {
 125         struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
 126                 &resp->params.rssi_info_rsp;
 127
 128         priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
 129         priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
 130
 131         priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg);
 132         priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg);
 133
 134         priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last);
 135         priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last);
 136
 137         priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
 138         priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
 139
 140         /* Need to indicate IOCTL complete */
 141         if (signal) {
 142                 memset(signal, 0, sizeof(*signal));
 143
 144                 signal->selector = ALL_RSSI_INFO_MASK;
 145
 146                 /* RSSI */
 147                 signal->bcn_rssi_last = priv->bcn_rssi_last;
 148                 signal->bcn_rssi_avg = priv->bcn_rssi_avg;
 149                 signal->data_rssi_last = priv->data_rssi_last;
 150                 signal->data_rssi_avg = priv->data_rssi_avg;
 151
 152                 /* SNR */
 153                 signal->bcn_snr_last =
 154                         CAL_SNR(priv->bcn_rssi_last, priv->bcn_nf_last);
 155                 signal->bcn_snr_avg =
 156                         CAL_SNR(priv->bcn_rssi_avg, priv->bcn_nf_avg);
 157                 signal->data_snr_last =
 158                         CAL_SNR(priv->data_rssi_last, priv->data_nf_last);
 159                 signal->data_snr_avg =
 160                         CAL_SNR(priv->data_rssi_avg, priv->data_nf_avg);
 161
 162                 /* NF */
 163                 signal->bcn_nf_last = priv->bcn_nf_last;
 164                 signal->bcn_nf_avg = priv->bcn_nf_avg;
 165                 signal->data_nf_last = priv->data_nf_last;
 166                 signal->data_nf_avg = priv->data_nf_avg;
 167         }
 168
 169         return 0;
 170 }
 171
 172 /*
 173  * This function handles the command response of set/get SNMP
 174  * MIB parameters.
 175  *
 176  * Handling includes changing the header fields into CPU format
 177  * and saving the parameter in driver.
 178  *
 179  * The following parameters are supported -
 180  *      - Fragmentation threshold
 181  *      - RTS threshold
 182  *      - Short retry limit
 183  */
 184 static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
 185                                        struct host_cmd_ds_command *resp,
 186                                        u32 *data_buf)
 187 {
 188         struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
 189         u16 oid = le16_to_cpu(smib->oid);
 190         u16 query_type = le16_to_cpu(smib->query_type);
 191         u32 ul_temp;
 192
 193         dev_dbg(priv->adapter->dev, "info: SNMP_RESP: oid value = %#x,"
 194                         " query_type = %#x, buf size = %#x\n",
 195                         oid, query_type, le16_to_cpu(smib->buf_size));
 196         if (query_type == HostCmd_ACT_GEN_GET) {
 197                 ul_temp = le16_to_cpu(*((__le16 *) (smib->value)));
 198                 if (data_buf)
 199                         *data_buf = ul_temp;
 200                 switch (oid) {
 201                 case FRAG_THRESH_I:
 202                         dev_dbg(priv->adapter->dev,
 203                                 "info: SNMP_RESP: FragThsd =%u\n", ul_temp);
 204                         break;
 205                 case RTS_THRESH_I:
 206                         dev_dbg(priv->adapter->dev,
 207                                 "info: SNMP_RESP: RTSThsd =%u\n", ul_temp);
 208                         break;
 209                 case SHORT_RETRY_LIM_I:
 210                         dev_dbg(priv->adapter->dev,
 211                                 "info: SNMP_RESP: TxRetryCount=%u\n", ul_temp);
 212                         break;
 213                 default:
 214                         break;
 215                 }
 216         }
 217
 218         return 0;
 219 }
 220
 221 /*
 222  * This function handles the command response of get log request
 223  *
 224  * Handling includes changing the header fields into CPU format
 225  * and sending the received parameters to application.
 226  */
 227 static int mwifiex_ret_get_log(struct mwifiex_private *priv,
 228                                struct host_cmd_ds_command *resp,
 229                                struct mwifiex_ds_get_stats *stats)
 230 {
 231         struct host_cmd_ds_802_11_get_log *get_log =
 232                 (struct host_cmd_ds_802_11_get_log *) &resp->params.get_log;
 233
 234         if (stats) {
 235                 stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
 236                 stats->failed = le32_to_cpu(get_log->failed);
 237                 stats->retry = le32_to_cpu(get_log->retry);
 238                 stats->multi_retry = le32_to_cpu(get_log->multi_retry);
 239                 stats->frame_dup = le32_to_cpu(get_log->frame_dup);
 240                 stats->rts_success = le32_to_cpu(get_log->rts_success);
 241                 stats->rts_failure = le32_to_cpu(get_log->rts_failure);
 242                 stats->ack_failure = le32_to_cpu(get_log->ack_failure);
 243                 stats->rx_frag = le32_to_cpu(get_log->rx_frag);
 244                 stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
 245                 stats->fcs_error = le32_to_cpu(get_log->fcs_error);
 246                 stats->tx_frame = le32_to_cpu(get_log->tx_frame);
 247                 stats->wep_icv_error[0] =
 248                         le32_to_cpu(get_log->wep_icv_err_cnt[0]);
 249                 stats->wep_icv_error[1] =
 250                         le32_to_cpu(get_log->wep_icv_err_cnt[1]);
 251                 stats->wep_icv_error[2] =
 252                         le32_to_cpu(get_log->wep_icv_err_cnt[2]);
 253                 stats->wep_icv_error[3] =
 254                         le32_to_cpu(get_log->wep_icv_err_cnt[3]);
 255         }
 256
 257         return 0;
 258 }
 259
 260 /*
 261  * This function handles the command response of set/get Tx rate
 262  * configurations.
 263  *
 264  * Handling includes changing the header fields into CPU format
 265  * and saving the following parameters in driver -
 266  *      - DSSS rate bitmap
 267  *      - OFDM rate bitmap
 268  *      - HT MCS rate bitmaps
 269  *
 270  * Based on the new rate bitmaps, the function re-evaluates if
 271  * auto data rate has been activated. If not, it sends another
 272  * query to the firmware to get the current Tx data rate and updates
 273  * the driver value.
 274  */
 275 static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
 276                                    struct host_cmd_ds_command *resp,
 277                                    struct mwifiex_rate_cfg *ds_rate)
 278 {
 279         struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
 280         struct mwifiex_rate_scope *rate_scope;
 281         struct mwifiex_ie_types_header *head;
 282         u16 tlv, tlv_buf_len;
 283         u8 *tlv_buf;
 284         u32 i;
 285         int ret = 0;
 286
 287         tlv_buf = (u8 *) ((u8 *) rate_cfg) +
 288                         sizeof(struct host_cmd_ds_tx_rate_cfg);
 289         tlv_buf_len = *(u16 *) (tlv_buf + sizeof(u16));
 290
 291         while (tlv_buf && tlv_buf_len > 0) {
 292                 tlv = (*tlv_buf);
 293                 tlv = tlv | (*(tlv_buf + 1) << 8);
 294
 295                 switch (tlv) {
 296                 case TLV_TYPE_RATE_SCOPE:
 297                         rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
 298                         priv->bitmap_rates[0] =
 299                                 le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
 300                         priv->bitmap_rates[1] =
 301                                 le16_to_cpu(rate_scope->ofdm_rate_bitmap);
 302                         for (i = 0;
 303                              i <
 304                              sizeof(rate_scope->ht_mcs_rate_bitmap) /
 305                              sizeof(u16); i++)
 306                                 priv->bitmap_rates[2 + i] =
 307                                         le16_to_cpu(rate_scope->
 308                                                     ht_mcs_rate_bitmap[i]);
 309                         break;
 310                         /* Add RATE_DROP tlv here */
 311                 }
 312
 313                 head = (struct mwifiex_ie_types_header *) tlv_buf;
 314                 tlv_buf += le16_to_cpu(head->len) + sizeof(*head);
 315                 tlv_buf_len -= le16_to_cpu(head->len);
 316         }
 317
 318         priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
 319
 320         if (priv->is_data_rate_auto)
 321                 priv->data_rate = 0;
 322         else
 323                 ret = mwifiex_send_cmd_async(priv,
 324                                           HostCmd_CMD_802_11_TX_RATE_QUERY,
 325                                           HostCmd_ACT_GEN_GET, 0, NULL);
 326
 327         if (ds_rate) {
 328                 if (le16_to_cpu(rate_cfg->action) == HostCmd_ACT_GEN_GET) {
 329                         if (priv->is_data_rate_auto) {
 330                                 ds_rate->is_rate_auto = 1;
 331                         } else {
 332                                 ds_rate->rate = mwifiex_get_rate_index(priv->
 333                                                                bitmap_rates,
 334                                                                sizeof(priv->
 335                                                                bitmap_rates));
 336                                 if (ds_rate->rate >=
 337                                     MWIFIEX_RATE_BITMAP_OFDM0
 338                                     && ds_rate->rate <=
 339                                     MWIFIEX_RATE_BITMAP_OFDM7)
 340                                         ds_rate->rate -=
 341                                                 (MWIFIEX_RATE_BITMAP_OFDM0 -
 342                                                  MWIFIEX_RATE_INDEX_OFDM0);
 343                                 if (ds_rate->rate >=
 344                                     MWIFIEX_RATE_BITMAP_MCS0
 345                                     && ds_rate->rate <=
 346                                     MWIFIEX_RATE_BITMAP_MCS127)
 347                                         ds_rate->rate -=
 348                                                 (MWIFIEX_RATE_BITMAP_MCS0 -
 349                                                  MWIFIEX_RATE_INDEX_MCS0);
 350                         }
 351                 }
 352         }
 353
 354         return ret;
 355 }
 356
 357 /*
 358  * This function handles the command response of get Tx power level.
 359  *
 360  * Handling includes saving the maximum and minimum Tx power levels
 361  * in driver, as well as sending the values to user.
 362  */
 363 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
 364 {
 365         int length, max_power = -1, min_power = -1;
 366         struct mwifiex_types_power_group *pg_tlv_hdr;
 367         struct mwifiex_power_group *pg;
 368
 369         if (data_buf) {
 370                 pg_tlv_hdr =
 371                         (struct mwifiex_types_power_group *) ((u8 *) data_buf
 372                                         + sizeof(struct host_cmd_ds_txpwr_cfg));
 373                 pg = (struct mwifiex_power_group *) ((u8 *) pg_tlv_hdr +
 374                                 sizeof(struct mwifiex_types_power_group));
 375                 length = pg_tlv_hdr->length;
 376                 if (length > 0) {
 377                         max_power = pg->power_max;
 378                         min_power = pg->power_min;
 379                         length -= sizeof(struct mwifiex_power_group);
 380                 }
 381                 while (length) {
 382                         pg++;
 383                         if (max_power < pg->power_max)
 384                                 max_power = pg->power_max;
 385
 386                         if (min_power > pg->power_min)
 387                                 min_power = pg->power_min;
 388
 389                         length -= sizeof(struct mwifiex_power_group);
 390                 }
 391                 if (pg_tlv_hdr->length > 0) {
 392                         priv->min_tx_power_level = (u8) min_power;
 393                         priv->max_tx_power_level = (u8) max_power;
 394                 }
 395         } else {
 396                 return -1;
 397         }
 398
 399         return 0;
 400 }
 401
 402 /*
 403  * This function handles the command response of set/get Tx power
 404  * configurations.
 405  *
 406  * Handling includes changing the header fields into CPU format
 407  * and saving the current Tx power level in driver.
 408  */
 409 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
 410                                     struct host_cmd_ds_command *resp)
 411 {
 412         struct mwifiex_adapter *adapter = priv->adapter;
 413         struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
 414         struct mwifiex_types_power_group *pg_tlv_hdr;
 415         struct mwifiex_power_group *pg;
 416         u16 action = le16_to_cpu(txp_cfg->action);
 417
 418         switch (action) {
 419         case HostCmd_ACT_GEN_GET:
 420                 {
 421                         pg_tlv_hdr =
 422                                 (struct mwifiex_types_power_group *) ((u8 *)
 423                                                 txp_cfg +
 424                                                 sizeof
 425                                                 (struct
 426                                                  host_cmd_ds_txpwr_cfg));
 427                         pg = (struct mwifiex_power_group *) ((u8 *)
 428                                                 pg_tlv_hdr +
 429                                                 sizeof(struct
 430                                                 mwifiex_types_power_group));
 431                         if (adapter->hw_status ==
 432                             MWIFIEX_HW_STATUS_INITIALIZING)
 433                                 mwifiex_get_power_level(priv, txp_cfg);
 434                         priv->tx_power_level = (u16) pg->power_min;
 435                         break;
 436                 }
 437         case HostCmd_ACT_GEN_SET:
 438                 if (le32_to_cpu(txp_cfg->mode)) {
 439                         pg_tlv_hdr =
 440                                 (struct mwifiex_types_power_group *) ((u8 *)
 441                                                 txp_cfg +
 442                                                 sizeof
 443                                                 (struct
 444                                                  host_cmd_ds_txpwr_cfg));
 445                         pg = (struct mwifiex_power_group *) ((u8 *) pg_tlv_hdr
 446                                                 +
 447                                                 sizeof(struct
 448                                                 mwifiex_types_power_group));
 449                         if (pg->power_max == pg->power_min)
 450                                 priv->tx_power_level = (u16) pg->power_min;
 451                 }
 452                 break;
 453         default:
 454                 dev_err(adapter->dev, "CMD_RESP: unknown cmd action %d\n",
 455                                 action);
 456                 return 0;
 457         }
 458         dev_dbg(adapter->dev,
 459                 "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
 460                priv->tx_power_level, priv->max_tx_power_level,
 461                priv->min_tx_power_level);
 462
 463         return 0;
 464 }
 465
 466 /*
 467  * This function handles the command response of set/get MAC address.
 468  *
 469  * Handling includes saving the MAC address in driver.
 470  */
 471 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
 472                                           struct host_cmd_ds_command *resp)
 473 {
 474         struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
 475                 &resp->params.mac_addr;
 476
 477         memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
 478
 479         dev_dbg(priv->adapter->dev,
 480                 "info: set mac address: %pM\n", priv->curr_addr);
 481
 482         return 0;
 483 }
 484
 485 /*
 486  * This function handles the command response of set/get MAC multicast
 487  * address.
 488  */
 489 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
 490                                          struct host_cmd_ds_command *resp)
 491 {
 492         return 0;
 493 }
 494
 495 /*
 496  * This function handles the command response of get Tx rate query.
 497  *
 498  * Handling includes changing the header fields into CPU format
 499  * and saving the Tx rate and HT information parameters in driver.
 500  *
 501  * Both rate configuration and current data rate can be retrieved
 502  * with this request.
 503  */
 504 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
 505                                             struct host_cmd_ds_command *resp)
 506 {
 507         priv->tx_rate = resp->params.tx_rate.tx_rate;
 508         priv->tx_htinfo = resp->params.tx_rate.ht_info;
 509         if (!priv->is_data_rate_auto)
 510                 priv->data_rate =
 511                         mwifiex_index_to_data_rate(priv->tx_rate,
 512                                                    priv->tx_htinfo);
 513
 514         return 0;
 515 }
 516
 517 /*
 518  * This function handles the command response of a deauthenticate
 519  * command.
 520  *
 521  * If the deauthenticated MAC matches the current BSS MAC, the connection
 522  * state is reset.
 523  */
 524 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
 525                                              struct host_cmd_ds_command *resp)
 526 {
 527         struct mwifiex_adapter *adapter = priv->adapter;
 528
 529         adapter->dbg.num_cmd_deauth++;
 530         if (!memcmp(resp->params.deauth.mac_addr,
 531                     &priv->curr_bss_params.bss_descriptor.mac_address,
 532                     sizeof(resp->params.deauth.mac_addr)))
 533                 mwifiex_reset_connect_state(priv);
 534
 535         return 0;
 536 }
 537
 538 /*
 539  * This function handles the command response of ad-hoc stop.
 540  *
 541  * The function resets the connection state in driver.
 542  */
 543 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
 544                                           struct host_cmd_ds_command *resp)
 545 {
 546         mwifiex_reset_connect_state(priv);
 547         return 0;
 548 }
 549
 550 /*
 551  * This function handles the command response of set/get key material.
 552  *
 553  * Handling includes updating the driver parameters to reflect the
 554  * changes.
 555  */
 556 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
 557                                            struct host_cmd_ds_command *resp)
 558 {
 559         struct host_cmd_ds_802_11_key_material *key =
 560                 &resp->params.key_material;
 561
 562         if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
 563                 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
 564                         dev_dbg(priv->adapter->dev, "info: key: GTK is set\n");
 565                         priv->wpa_is_gtk_set = true;
 566                         priv->scan_block = false;
 567                 }
 568         }
 569
 570         memset(priv->aes_key.key_param_set.key, 0,
 571                sizeof(key->key_param_set.key));
 572         priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
 573         memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
 574                le16_to_cpu(priv->aes_key.key_param_set.key_len));
 575
 576         return 0;
 577 }
 578
 579 /*
 580  * This function handles the command response of get 11d domain information.
 581  */
 582 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
 583                                            struct host_cmd_ds_command *resp)
 584 {
 585         struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
 586                 &resp->params.domain_info_resp;
 587         struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
 588         u16 action = le16_to_cpu(domain_info->action);
 589         u8 no_of_triplet;
 590
 591         no_of_triplet = (u8) ((le16_to_cpu(domain->header.len) -
 592                                         IEEE80211_COUNTRY_STRING_LEN) /
 593                                 sizeof(struct ieee80211_country_ie_triplet));
 594
 595         dev_dbg(priv->adapter->dev, "info: 11D Domain Info Resp:"
 596                         " no_of_triplet=%d\n", no_of_triplet);
 597
 598         if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
 599                 dev_warn(priv->adapter->dev,
 600                         "11D: invalid number of triplets %d "
 601                         "returned!!\n", no_of_triplet);
 602                 return -1;
 603         }
 604
 605         switch (action) {
 606         case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
 607                 break;
 608         case HostCmd_ACT_GEN_GET:
 609                 break;
 610         default:
 611                 dev_err(priv->adapter->dev,
 612                         "11D: invalid action:%d\n", domain_info->action);
 613                 return -1;
 614         }
 615
 616         return 0;
 617 }
 618
 619 /*
 620  * This function handles the command response of get RF channel.
 621  *
 622  * Handling includes changing the header fields into CPU format
 623  * and saving the new channel in driver.
 624  */
 625 static int mwifiex_ret_802_11_rf_channel(struct mwifiex_private *priv,
 626                                          struct host_cmd_ds_command *resp,
 627                                          u16 *data_buf)
 628 {
 629         struct host_cmd_ds_802_11_rf_channel *rf_channel =
 630                 &resp->params.rf_channel;
 631         u16 new_channel = le16_to_cpu(rf_channel->current_channel);
 632
 633         if (priv->curr_bss_params.bss_descriptor.channel != new_channel) {
 634                 dev_dbg(priv->adapter->dev, "cmd: Channel Switch: %d to %d\n",
 635                        priv->curr_bss_params.bss_descriptor.channel,
 636                        new_channel);
 637                 /* Update the channel again */
 638                 priv->curr_bss_params.bss_descriptor.channel = new_channel;
 639         }
 640
 641         if (data_buf)
 642                 *data_buf = new_channel;
 643
 644         return 0;
 645 }
 646
 647 /*
 648  * This function handles the command response of get extended version.
 649  *
 650  * Handling includes forming the extended version string and sending it
 651  * to application.
 652  */
 653 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
 654                                struct host_cmd_ds_command *resp,
 655                                struct host_cmd_ds_version_ext *version_ext)
 656 {
 657         struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
 658
 659         if (version_ext) {
 660                 version_ext->version_str_sel = ver_ext->version_str_sel;
 661                 memcpy(version_ext->version_str, ver_ext->version_str,
 662                        sizeof(char) * 128);
 663                 memcpy(priv->version_str, ver_ext->version_str, 128);
 664         }
 665         return 0;
 666 }
 667
 668 /*
 669  * This function handles the command response of register access.
 670  *
 671  * The register value and offset are returned to the user. For EEPROM
 672  * access, the byte count is also returned.
 673  */
 674 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
 675                                   void *data_buf)
 676 {
 677         struct mwifiex_ds_reg_rw *reg_rw;
 678         struct mwifiex_ds_read_eeprom *eeprom;
 679
 680         if (data_buf) {
 681                 reg_rw = data_buf;
 682                 eeprom = data_buf;
 683                 switch (type) {
 684                 case HostCmd_CMD_MAC_REG_ACCESS:
 685                         {
 686                                 struct host_cmd_ds_mac_reg_access *reg;
 687                                 reg = (struct host_cmd_ds_mac_reg_access *)
 688                                         &resp->params.mac_reg;
 689                                 reg_rw->offset = cpu_to_le32(
 690                                         (u32) le16_to_cpu(reg->offset));
 691                                 reg_rw->value = reg->value;
 692                                 break;
 693                         }
 694                 case HostCmd_CMD_BBP_REG_ACCESS:
 695                         {
 696                                 struct host_cmd_ds_bbp_reg_access *reg;
 697                                 reg = (struct host_cmd_ds_bbp_reg_access *)
 698                                         &resp->params.bbp_reg;
 699                                 reg_rw->offset = cpu_to_le32(
 700                                         (u32) le16_to_cpu(reg->offset));
 701                                 reg_rw->value = cpu_to_le32((u32) reg->value);
 702                                 break;
 703                         }
 704
 705                 case HostCmd_CMD_RF_REG_ACCESS:
 706                         {
 707                                 struct host_cmd_ds_rf_reg_access *reg;
 708                                 reg = (struct host_cmd_ds_rf_reg_access *)
 709                                         &resp->params.rf_reg;
 710                                 reg_rw->offset = cpu_to_le32(
 711                                         (u32) le16_to_cpu(reg->offset));
 712                                 reg_rw->value = cpu_to_le32((u32) reg->value);
 713                                 break;
 714                         }
 715                 case HostCmd_CMD_PMIC_REG_ACCESS:
 716                         {
 717                                 struct host_cmd_ds_pmic_reg_access *reg;
 718                                 reg = (struct host_cmd_ds_pmic_reg_access *)
 719                                         &resp->params.pmic_reg;
 720                                 reg_rw->offset = cpu_to_le32(
 721                                         (u32) le16_to_cpu(reg->offset));
 722                                 reg_rw->value = cpu_to_le32((u32) reg->value);
 723                                 break;
 724                         }
 725                 case HostCmd_CMD_CAU_REG_ACCESS:
 726                         {
 727                                 struct host_cmd_ds_rf_reg_access *reg;
 728                                 reg = (struct host_cmd_ds_rf_reg_access *)
 729                                         &resp->params.rf_reg;
 730                                 reg_rw->offset = cpu_to_le32(
 731                                         (u32) le16_to_cpu(reg->offset));
 732                                 reg_rw->value = cpu_to_le32((u32) reg->value);
 733                                 break;
 734                         }
 735                 case HostCmd_CMD_802_11_EEPROM_ACCESS:
 736                         {
 737                                 struct host_cmd_ds_802_11_eeprom_access
 738                                         *cmd_eeprom =
 739                                         (struct host_cmd_ds_802_11_eeprom_access
 740                                          *) &resp->params.eeprom;
 741                                 pr_debug("info: EEPROM read len=%x\n",
 742                                        cmd_eeprom->byte_count);
 743                                 if (le16_to_cpu(eeprom->byte_count) <
 744                                                 le16_to_cpu(
 745                                                 cmd_eeprom->byte_count)) {
 746                                         eeprom->byte_count = cpu_to_le16(0);
 747                                         pr_debug("info: EEPROM read "
 748                                                         "length is too big\n");
 749                                         return -1;
 750                                 }
 751                                 eeprom->offset = cmd_eeprom->offset;
 752                                 eeprom->byte_count = cmd_eeprom->byte_count;
 753                                 if (le16_to_cpu(eeprom->byte_count) > 0)
 754                                         memcpy(&eeprom->value,
 755                                                &cmd_eeprom->value,
 756                                                le16_to_cpu(eeprom->byte_count));
 757
 758                                 break;
 759                         }
 760                 default:
 761                         return -1;
 762                 }
 763         }
 764         return 0;
 765 }
 766
 767 /*
 768  * This function handles the command response of get IBSS coalescing status.
 769  *
 770  * If the received BSSID is different than the current one, the current BSSID,
 771  * beacon interval, ATIM window and ERP information are updated, along with
 772  * changing the ad-hoc state accordingly.
 773  */
 774 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
 775                                               struct host_cmd_ds_command *resp)
 776 {
 777         struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
 778                 &(resp->params.ibss_coalescing);
 779         u8 zero_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
 780
 781         if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
 782                 return 0;
 783
 784         dev_dbg(priv->adapter->dev,
 785                 "info: new BSSID %pM\n", ibss_coal_resp->bssid);
 786
 787         /* If rsp has NULL BSSID, Just return..... No Action */
 788         if (!memcmp(ibss_coal_resp->bssid, zero_mac, ETH_ALEN)) {
 789                 dev_warn(priv->adapter->dev, "new BSSID is NULL\n");
 790                 return 0;
 791         }
 792
 793         /* If BSSID is diff, modify current BSS parameters */
 794         if (memcmp(priv->curr_bss_params.bss_descriptor.mac_address,
 795                    ibss_coal_resp->bssid, ETH_ALEN)) {
 796                 /* BSSID */
 797                 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
 798                        ibss_coal_resp->bssid, ETH_ALEN);
 799
 800                 /* Beacon Interval */
 801                 priv->curr_bss_params.bss_descriptor.beacon_period
 802                         = le16_to_cpu(ibss_coal_resp->beacon_interval);
 803
 804                 /* ERP Information */
 805                 priv->curr_bss_params.bss_descriptor.erp_flags =
 806                         (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
 807
 808                 priv->adhoc_state = ADHOC_COALESCED;
 809         }
 810
 811         return 0;
 812 }
 813
 814 /*
 815  * This function handles the command responses.
 816  *
 817  * This is a generic function, which calls command specific
 818  * response handlers based on the command ID.
 819  */
 820 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
 821                                 struct host_cmd_ds_command *resp)
 822 {
 823         int ret = 0;
 824         struct mwifiex_adapter *adapter = priv->adapter;
 825         void *data_buf = adapter->curr_cmd->data_buf;
 826
 827         /* If the command is not successful, cleanup and return failure */
 828         if (resp->result != HostCmd_RESULT_OK) {
 829                 mwifiex_process_cmdresp_error(priv, resp);
 830                 return -1;
 831         }
 832         /* Command successful, handle response */
 833         switch (cmdresp_no) {
 834         case HostCmd_CMD_GET_HW_SPEC:
 835                 ret = mwifiex_ret_get_hw_spec(priv, resp);
 836                 break;
 837         case HostCmd_CMD_MAC_CONTROL:
 838                 break;
 839         case HostCmd_CMD_802_11_MAC_ADDRESS:
 840                 ret = mwifiex_ret_802_11_mac_address(priv, resp);
 841                 break;
 842         case HostCmd_CMD_MAC_MULTICAST_ADR:
 843                 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
 844                 break;
 845         case HostCmd_CMD_TX_RATE_CFG:
 846                 ret = mwifiex_ret_tx_rate_cfg(priv, resp, data_buf);
 847                 break;
 848         case HostCmd_CMD_802_11_SCAN:
 849                 ret = mwifiex_ret_802_11_scan(priv, resp);
 850                 adapter->curr_cmd->wait_q_enabled = false;
 851                 break;
 852         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
 853                 ret = mwifiex_ret_802_11_scan(priv, resp);
 854                 dev_dbg(adapter->dev,
 855                         "info: CMD_RESP: BG_SCAN result is ready!\n");
 856                 break;
 857         case HostCmd_CMD_TXPWR_CFG:
 858                 ret = mwifiex_ret_tx_power_cfg(priv, resp);
 859                 break;
 860         case HostCmd_CMD_802_11_PS_MODE_ENH:
 861                 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
 862                 break;
 863         case HostCmd_CMD_802_11_HS_CFG_ENH:
 864                 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
 865                 break;
 866         case HostCmd_CMD_802_11_ASSOCIATE:
 867                 ret = mwifiex_ret_802_11_associate(priv, resp);
 868                 break;
 869         case HostCmd_CMD_802_11_DEAUTHENTICATE:
 870                 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
 871                 break;
 872         case HostCmd_CMD_802_11_AD_HOC_START:
 873         case HostCmd_CMD_802_11_AD_HOC_JOIN:
 874                 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
 875                 break;
 876         case HostCmd_CMD_802_11_AD_HOC_STOP:
 877                 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
 878                 break;
 879         case HostCmd_CMD_802_11_GET_LOG:
 880                 ret = mwifiex_ret_get_log(priv, resp, data_buf);
 881                 break;
 882         case HostCmd_CMD_RSSI_INFO:
 883                 ret = mwifiex_ret_802_11_rssi_info(priv, resp, data_buf);
 884                 break;
 885         case HostCmd_CMD_802_11_SNMP_MIB:
 886                 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
 887                 break;
 888         case HostCmd_CMD_802_11_TX_RATE_QUERY:
 889                 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
 890                 break;
 891         case HostCmd_CMD_802_11_RF_CHANNEL:
 892                 ret = mwifiex_ret_802_11_rf_channel(priv, resp, data_buf);
 893                 break;
 894         case HostCmd_CMD_VERSION_EXT:
 895                 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
 896                 break;
 897         case HostCmd_CMD_FUNC_INIT:
 898         case HostCmd_CMD_FUNC_SHUTDOWN:
 899                 break;
 900         case HostCmd_CMD_802_11_KEY_MATERIAL:
 901                 ret = mwifiex_ret_802_11_key_material(priv, resp);
 902                 break;
 903         case HostCmd_CMD_802_11D_DOMAIN_INFO:
 904                 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
 905                 break;
 906         case HostCmd_CMD_11N_ADDBA_REQ:
 907                 ret = mwifiex_ret_11n_addba_req(priv, resp);
 908                 break;
 909         case HostCmd_CMD_11N_DELBA:
 910                 ret = mwifiex_ret_11n_delba(priv, resp);
 911                 break;
 912         case HostCmd_CMD_11N_ADDBA_RSP:
 913                 ret = mwifiex_ret_11n_addba_resp(priv, resp);
 914                 break;
 915         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
 916                 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
 917                                                              tx_buf.buff_size);
 918                 adapter->tx_buf_size = (adapter->tx_buf_size /
 919                                                 MWIFIEX_SDIO_BLOCK_SIZE) *
 920                                                 MWIFIEX_SDIO_BLOCK_SIZE;
 921                 adapter->curr_tx_buf_size = adapter->tx_buf_size;
 922                 dev_dbg(adapter->dev,
 923                         "cmd: max_tx_buf_size=%d, tx_buf_size=%d\n",
 924                        adapter->max_tx_buf_size, adapter->tx_buf_size);
 925
 926                 if (adapter->if_ops.update_mp_end_port)
 927                         adapter->if_ops.update_mp_end_port(adapter,
 928                                         le16_to_cpu(resp->
 929                                                 params.
 930                                                 tx_buf.
 931                                                 mp_end_port));
 932                 break;
 933         case HostCmd_CMD_AMSDU_AGGR_CTRL:
 934                 ret = mwifiex_ret_amsdu_aggr_ctrl(resp, data_buf);
 935                 break;
 936         case HostCmd_CMD_WMM_GET_STATUS:
 937                 ret = mwifiex_ret_wmm_get_status(priv, resp);
 938                 break;
 939         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
 940                 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
 941                 break;
 942         case HostCmd_CMD_MAC_REG_ACCESS:
 943         case HostCmd_CMD_BBP_REG_ACCESS:
 944         case HostCmd_CMD_RF_REG_ACCESS:
 945         case HostCmd_CMD_PMIC_REG_ACCESS:
 946         case HostCmd_CMD_CAU_REG_ACCESS:
 947         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 948                 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
 949                 break;
 950         case HostCmd_CMD_SET_BSS_MODE:
 951                 break;
 952         case HostCmd_CMD_11N_CFG:
 953                 ret = mwifiex_ret_11n_cfg(resp, data_buf);
 954                 break;
 955         case HostCmd_CMD_PCIE_DESC_DETAILS:
 956                 break;
 957         default:
 958                 dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n",
 959                        resp->command);
 960                 break;
 961         }
 962
 963         return ret;
 964 }