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,
  61                         "PS_MODE_ENH cmd failed: 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 {
 124         struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
 125                                                 &resp->params.rssi_info_rsp;
 126         struct mwifiex_ds_misc_subsc_evt *subsc_evt =
 127                                                 &priv->async_subsc_evt_storage;
 128
 129         priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
 130         priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
 131
 132         priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg);
 133         priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg);
 134
 135         priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last);
 136         priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last);
 137
 138         priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
 139         priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
 140
 141         if (priv->subsc_evt_rssi_state == EVENT_HANDLED)
 142                 return 0;
 143
 144         memset(subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
 145
 146         /* Resubscribe low and high rssi events with new thresholds */
 147         subsc_evt->events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
 148         subsc_evt->action = HostCmd_ACT_BITWISE_SET;
 149         if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) {
 150                 subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg -
 151                                 priv->cqm_rssi_hyst);
 152                 subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
 153         } else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) {
 154                 subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
 155                 subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg +
 156                                 priv->cqm_rssi_hyst);
 157         }
 158         subsc_evt->bcn_l_rssi_cfg.evt_freq = 1;
 159         subsc_evt->bcn_h_rssi_cfg.evt_freq = 1;
 160
 161         priv->subsc_evt_rssi_state = EVENT_HANDLED;
 162
 163         mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
 164                                0, 0, subsc_evt);
 165
 166         return 0;
 167 }
 168
 169 /*
 170  * This function handles the command response of set/get SNMP
 171  * MIB parameters.
 172  *
 173  * Handling includes changing the header fields into CPU format
 174  * and saving the parameter in driver.
 175  *
 176  * The following parameters are supported -
 177  *      - Fragmentation threshold
 178  *      - RTS threshold
 179  *      - Short retry limit
 180  */
 181 static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
 182                                        struct host_cmd_ds_command *resp,
 183                                        u32 *data_buf)
 184 {
 185         struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
 186         u16 oid = le16_to_cpu(smib->oid);
 187         u16 query_type = le16_to_cpu(smib->query_type);
 188         u32 ul_temp;
 189
 190         dev_dbg(priv->adapter->dev, "info: SNMP_RESP: oid value = %#x,"
 191                 " query_type = %#x, buf size = %#x\n",
 192                 oid, query_type, le16_to_cpu(smib->buf_size));
 193         if (query_type == HostCmd_ACT_GEN_GET) {
 194                 ul_temp = le16_to_cpu(*((__le16 *) (smib->value)));
 195                 if (data_buf)
 196                         *data_buf = ul_temp;
 197                 switch (oid) {
 198                 case FRAG_THRESH_I:
 199                         dev_dbg(priv->adapter->dev,
 200                                 "info: SNMP_RESP: FragThsd =%u\n", ul_temp);
 201                         break;
 202                 case RTS_THRESH_I:
 203                         dev_dbg(priv->adapter->dev,
 204                                 "info: SNMP_RESP: RTSThsd =%u\n", ul_temp);
 205                         break;
 206                 case SHORT_RETRY_LIM_I:
 207                         dev_dbg(priv->adapter->dev,
 208                                 "info: SNMP_RESP: TxRetryCount=%u\n", ul_temp);
 209                         break;
 210                 case DTIM_PERIOD_I:
 211                         dev_dbg(priv->adapter->dev,
 212                                 "info: SNMP_RESP: DTIM period=%u\n", ul_temp);
 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                 &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.
 273  */
 274 static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
 275                                    struct host_cmd_ds_command *resp)
 276 {
 277         struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
 278         struct mwifiex_rate_scope *rate_scope;
 279         struct mwifiex_ie_types_header *head;
 280         u16 tlv, tlv_buf_len;
 281         u8 *tlv_buf;
 282         u32 i;
 283
 284         tlv_buf = ((u8 *)rate_cfg) +
 285                         sizeof(struct host_cmd_ds_tx_rate_cfg);
 286         tlv_buf_len = *(u16 *) (tlv_buf + sizeof(u16));
 287
 288         while (tlv_buf && tlv_buf_len > 0) {
 289                 tlv = (*tlv_buf);
 290                 tlv = tlv | (*(tlv_buf + 1) << 8);
 291
 292                 switch (tlv) {
 293                 case TLV_TYPE_RATE_SCOPE:
 294                         rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
 295                         priv->bitmap_rates[0] =
 296                                 le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
 297                         priv->bitmap_rates[1] =
 298                                 le16_to_cpu(rate_scope->ofdm_rate_bitmap);
 299                         for (i = 0;
 300                              i <
 301                              sizeof(rate_scope->ht_mcs_rate_bitmap) /
 302                              sizeof(u16); i++)
 303                                 priv->bitmap_rates[2 + i] =
 304                                         le16_to_cpu(rate_scope->
 305                                                     ht_mcs_rate_bitmap[i]);
 306                         break;
 307                         /* Add RATE_DROP tlv here */
 308                 }
 309
 310                 head = (struct mwifiex_ie_types_header *) tlv_buf;
 311                 tlv_buf += le16_to_cpu(head->len) + sizeof(*head);
 312                 tlv_buf_len -= le16_to_cpu(head->len);
 313         }
 314
 315         priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
 316
 317         if (priv->is_data_rate_auto)
 318                 priv->data_rate = 0;
 319         else
 320                 return mwifiex_send_cmd_async(priv,
 321                                               HostCmd_CMD_802_11_TX_RATE_QUERY,
 322                                               HostCmd_ACT_GEN_GET, 0, NULL);
 323
 324         return 0;
 325 }
 326
 327 /*
 328  * This function handles the command response of get Tx power level.
 329  *
 330  * Handling includes saving the maximum and minimum Tx power levels
 331  * in driver, as well as sending the values to user.
 332  */
 333 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
 334 {
 335         int length, max_power = -1, min_power = -1;
 336         struct mwifiex_types_power_group *pg_tlv_hdr;
 337         struct mwifiex_power_group *pg;
 338
 339         if (!data_buf)
 340                 return -1;
 341
 342         pg_tlv_hdr = (struct mwifiex_types_power_group *)
 343                 ((u8 *) data_buf + sizeof(struct host_cmd_ds_txpwr_cfg));
 344         pg = (struct mwifiex_power_group *)
 345                 ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
 346         length = pg_tlv_hdr->length;
 347         if (length > 0) {
 348                 max_power = pg->power_max;
 349                 min_power = pg->power_min;
 350                 length -= sizeof(struct mwifiex_power_group);
 351         }
 352         while (length) {
 353                 pg++;
 354                 if (max_power < pg->power_max)
 355                         max_power = pg->power_max;
 356
 357                 if (min_power > pg->power_min)
 358                         min_power = pg->power_min;
 359
 360                 length -= sizeof(struct mwifiex_power_group);
 361         }
 362         if (pg_tlv_hdr->length > 0) {
 363                 priv->min_tx_power_level = (u8) min_power;
 364                 priv->max_tx_power_level = (u8) max_power;
 365         }
 366
 367         return 0;
 368 }
 369
 370 /*
 371  * This function handles the command response of set/get Tx power
 372  * configurations.
 373  *
 374  * Handling includes changing the header fields into CPU format
 375  * and saving the current Tx power level in driver.
 376  */
 377 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
 378                                     struct host_cmd_ds_command *resp)
 379 {
 380         struct mwifiex_adapter *adapter = priv->adapter;
 381         struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
 382         struct mwifiex_types_power_group *pg_tlv_hdr;
 383         struct mwifiex_power_group *pg;
 384         u16 action = le16_to_cpu(txp_cfg->action);
 385
 386         switch (action) {
 387         case HostCmd_ACT_GEN_GET:
 388                 pg_tlv_hdr = (struct mwifiex_types_power_group *)
 389                         ((u8 *) txp_cfg +
 390                          sizeof(struct host_cmd_ds_txpwr_cfg));
 391
 392                 pg = (struct mwifiex_power_group *)
 393                         ((u8 *) pg_tlv_hdr +
 394                          sizeof(struct mwifiex_types_power_group));
 395
 396                 if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
 397                         mwifiex_get_power_level(priv, txp_cfg);
 398
 399                 priv->tx_power_level = (u16) pg->power_min;
 400                 break;
 401
 402         case HostCmd_ACT_GEN_SET:
 403                 if (!le32_to_cpu(txp_cfg->mode))
 404                         break;
 405
 406                 pg_tlv_hdr = (struct mwifiex_types_power_group *)
 407                         ((u8 *) txp_cfg +
 408                          sizeof(struct host_cmd_ds_txpwr_cfg));
 409
 410                 pg = (struct mwifiex_power_group *)
 411                         ((u8 *) pg_tlv_hdr +
 412                          sizeof(struct mwifiex_types_power_group));
 413
 414                 if (pg->power_max == pg->power_min)
 415                         priv->tx_power_level = (u16) pg->power_min;
 416                 break;
 417         default:
 418                 dev_err(adapter->dev, "CMD_RESP: unknown cmd action %d\n",
 419                         action);
 420                 return 0;
 421         }
 422         dev_dbg(adapter->dev,
 423                 "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
 424                priv->tx_power_level, priv->max_tx_power_level,
 425                priv->min_tx_power_level);
 426
 427         return 0;
 428 }
 429
 430 /*
 431  * This function handles the command response of get RF Tx power.
 432  */
 433 static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv,
 434                                    struct host_cmd_ds_command *resp)
 435 {
 436         struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp;
 437         u16 action = le16_to_cpu(txp->action);
 438
 439         priv->tx_power_level = le16_to_cpu(txp->cur_level);
 440
 441         if (action == HostCmd_ACT_GEN_GET) {
 442                 priv->max_tx_power_level = txp->max_power;
 443                 priv->min_tx_power_level = txp->min_power;
 444         }
 445
 446         dev_dbg(priv->adapter->dev,
 447                 "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n",
 448                 priv->tx_power_level, priv->max_tx_power_level,
 449                 priv->min_tx_power_level);
 450
 451         return 0;
 452 }
 453
 454 /*
 455  * This function handles the command response of set rf antenna
 456  */
 457 static int mwifiex_ret_rf_antenna(struct mwifiex_private *priv,
 458                                   struct host_cmd_ds_command *resp)
 459 {
 460         struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo;
 461         struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso;
 462         struct mwifiex_adapter *adapter = priv->adapter;
 463
 464         if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
 465                 dev_dbg(adapter->dev,
 466                         "RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x"
 467                         " Rx action = 0x%x, Rx Mode = 0x%04x\n",
 468                         le16_to_cpu(ant_mimo->action_tx),
 469                         le16_to_cpu(ant_mimo->tx_ant_mode),
 470                         le16_to_cpu(ant_mimo->action_rx),
 471                         le16_to_cpu(ant_mimo->rx_ant_mode));
 472         else
 473                 dev_dbg(adapter->dev,
 474                         "RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n",
 475                         le16_to_cpu(ant_siso->action),
 476                         le16_to_cpu(ant_siso->ant_mode));
 477
 478         return 0;
 479 }
 480
 481 /*
 482  * This function handles the command response of set/get MAC address.
 483  *
 484  * Handling includes saving the MAC address in driver.
 485  */
 486 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
 487                                           struct host_cmd_ds_command *resp)
 488 {
 489         struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
 490                                                         &resp->params.mac_addr;
 491
 492         memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
 493
 494         dev_dbg(priv->adapter->dev,
 495                 "info: set mac address: %pM\n", priv->curr_addr);
 496
 497         return 0;
 498 }
 499
 500 /*
 501  * This function handles the command response of set/get MAC multicast
 502  * address.
 503  */
 504 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
 505                                          struct host_cmd_ds_command *resp)
 506 {
 507         return 0;
 508 }
 509
 510 /*
 511  * This function handles the command response of get Tx rate query.
 512  *
 513  * Handling includes changing the header fields into CPU format
 514  * and saving the Tx rate and HT information parameters in driver.
 515  *
 516  * Both rate configuration and current data rate can be retrieved
 517  * with this request.
 518  */
 519 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
 520                                             struct host_cmd_ds_command *resp)
 521 {
 522         priv->tx_rate = resp->params.tx_rate.tx_rate;
 523         priv->tx_htinfo = resp->params.tx_rate.ht_info;
 524         if (!priv->is_data_rate_auto)
 525                 priv->data_rate =
 526                         mwifiex_index_to_data_rate(priv, priv->tx_rate,
 527                                                    priv->tx_htinfo);
 528
 529         return 0;
 530 }
 531
 532 /*
 533  * This function handles the command response of a deauthenticate
 534  * command.
 535  *
 536  * If the deauthenticated MAC matches the current BSS MAC, the connection
 537  * state is reset.
 538  */
 539 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
 540                                              struct host_cmd_ds_command *resp)
 541 {
 542         struct mwifiex_adapter *adapter = priv->adapter;
 543
 544         adapter->dbg.num_cmd_deauth++;
 545         if (!memcmp(resp->params.deauth.mac_addr,
 546                     &priv->curr_bss_params.bss_descriptor.mac_address,
 547                     sizeof(resp->params.deauth.mac_addr)))
 548                 mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
 549
 550         return 0;
 551 }
 552
 553 /*
 554  * This function handles the command response of ad-hoc stop.
 555  *
 556  * The function resets the connection state in driver.
 557  */
 558 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
 559                                           struct host_cmd_ds_command *resp)
 560 {
 561         mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
 562         return 0;
 563 }
 564
 565 /*
 566  * This function handles the command response of set/get key material.
 567  *
 568  * Handling includes updating the driver parameters to reflect the
 569  * changes.
 570  */
 571 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
 572                                            struct host_cmd_ds_command *resp)
 573 {
 574         struct host_cmd_ds_802_11_key_material *key =
 575                                                 &resp->params.key_material;
 576
 577         if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
 578                 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
 579                         dev_dbg(priv->adapter->dev, "info: key: GTK is set\n");
 580                         priv->wpa_is_gtk_set = true;
 581                         priv->scan_block = false;
 582                 }
 583         }
 584
 585         memset(priv->aes_key.key_param_set.key, 0,
 586                sizeof(key->key_param_set.key));
 587         priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
 588         memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
 589                le16_to_cpu(priv->aes_key.key_param_set.key_len));
 590
 591         return 0;
 592 }
 593
 594 /*
 595  * This function handles the command response of get 11d domain information.
 596  */
 597 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
 598                                            struct host_cmd_ds_command *resp)
 599 {
 600         struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
 601                 &resp->params.domain_info_resp;
 602         struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
 603         u16 action = le16_to_cpu(domain_info->action);
 604         u8 no_of_triplet;
 605
 606         no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
 607                                 - IEEE80211_COUNTRY_STRING_LEN)
 608                               / sizeof(struct ieee80211_country_ie_triplet));
 609
 610         dev_dbg(priv->adapter->dev,
 611                 "info: 11D Domain Info Resp: no_of_triplet=%d\n",
 612                 no_of_triplet);
 613
 614         if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
 615                 dev_warn(priv->adapter->dev,
 616                          "11D: invalid number of triplets %d returned\n",
 617                          no_of_triplet);
 618                 return -1;
 619         }
 620
 621         switch (action) {
 622         case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
 623                 break;
 624         case HostCmd_ACT_GEN_GET:
 625                 break;
 626         default:
 627                 dev_err(priv->adapter->dev,
 628                         "11D: invalid action:%d\n", domain_info->action);
 629                 return -1;
 630         }
 631
 632         return 0;
 633 }
 634
 635 /*
 636  * This function handles the command response of get extended version.
 637  *
 638  * Handling includes forming the extended version string and sending it
 639  * to application.
 640  */
 641 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
 642                                struct host_cmd_ds_command *resp,
 643                                struct host_cmd_ds_version_ext *version_ext)
 644 {
 645         struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
 646
 647         if (version_ext) {
 648                 version_ext->version_str_sel = ver_ext->version_str_sel;
 649                 memcpy(version_ext->version_str, ver_ext->version_str,
 650                        sizeof(char) * 128);
 651                 memcpy(priv->version_str, ver_ext->version_str, 128);
 652         }
 653         return 0;
 654 }
 655
 656 /*
 657  * This function handles the command response of remain on channel.
 658  */
 659 static int
 660 mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
 661                            struct host_cmd_ds_command *resp,
 662                            struct host_cmd_ds_remain_on_chan *roc_cfg)
 663 {
 664         struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
 665
 666         if (roc_cfg)
 667                 memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
 668
 669         return 0;
 670 }
 671
 672 /*
 673  * This function handles the command response of P2P mode cfg.
 674  */
 675 static int
 676 mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
 677                          struct host_cmd_ds_command *resp,
 678                          void *data_buf)
 679 {
 680         struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
 681
 682         if (data_buf)
 683                 *((u16 *)data_buf) = le16_to_cpu(mode_cfg->mode);
 684
 685         return 0;
 686 }
 687
 688 /*
 689  * This function handles the command response of register access.
 690  *
 691  * The register value and offset are returned to the user. For EEPROM
 692  * access, the byte count is also returned.
 693  */
 694 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
 695                                   void *data_buf)
 696 {
 697         struct mwifiex_ds_reg_rw *reg_rw;
 698         struct mwifiex_ds_read_eeprom *eeprom;
 699         union reg {
 700                 struct host_cmd_ds_mac_reg_access *mac;
 701                 struct host_cmd_ds_bbp_reg_access *bbp;
 702                 struct host_cmd_ds_rf_reg_access *rf;
 703                 struct host_cmd_ds_pmic_reg_access *pmic;
 704                 struct host_cmd_ds_802_11_eeprom_access *eeprom;
 705         } r;
 706
 707         if (!data_buf)
 708                 return 0;
 709
 710         reg_rw = data_buf;
 711         eeprom = data_buf;
 712         switch (type) {
 713         case HostCmd_CMD_MAC_REG_ACCESS:
 714                 r.mac = &resp->params.mac_reg;
 715                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.mac->offset));
 716                 reg_rw->value = r.mac->value;
 717                 break;
 718         case HostCmd_CMD_BBP_REG_ACCESS:
 719                 r.bbp = &resp->params.bbp_reg;
 720                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.bbp->offset));
 721                 reg_rw->value = cpu_to_le32((u32) r.bbp->value);
 722                 break;
 723
 724         case HostCmd_CMD_RF_REG_ACCESS:
 725                 r.rf = &resp->params.rf_reg;
 726                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
 727                 reg_rw->value = cpu_to_le32((u32) r.bbp->value);
 728                 break;
 729         case HostCmd_CMD_PMIC_REG_ACCESS:
 730                 r.pmic = &resp->params.pmic_reg;
 731                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.pmic->offset));
 732                 reg_rw->value = cpu_to_le32((u32) r.pmic->value);
 733                 break;
 734         case HostCmd_CMD_CAU_REG_ACCESS:
 735                 r.rf = &resp->params.rf_reg;
 736                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
 737                 reg_rw->value = cpu_to_le32((u32) r.rf->value);
 738                 break;
 739         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 740                 r.eeprom = &resp->params.eeprom;
 741                 pr_debug("info: EEPROM read len=%x\n", r.eeprom->byte_count);
 742                 if (le16_to_cpu(eeprom->byte_count) <
 743                     le16_to_cpu(r.eeprom->byte_count)) {
 744                         eeprom->byte_count = cpu_to_le16(0);
 745                         pr_debug("info: EEPROM read length is too big\n");
 746                         return -1;
 747                 }
 748                 eeprom->offset = r.eeprom->offset;
 749                 eeprom->byte_count = r.eeprom->byte_count;
 750                 if (le16_to_cpu(eeprom->byte_count) > 0)
 751                         memcpy(&eeprom->value, &r.eeprom->value,
 752                                le16_to_cpu(r.eeprom->byte_count));
 753
 754                 break;
 755         default:
 756                 return -1;
 757         }
 758         return 0;
 759 }
 760
 761 /*
 762  * This function handles the command response of get IBSS coalescing status.
 763  *
 764  * If the received BSSID is different than the current one, the current BSSID,
 765  * beacon interval, ATIM window and ERP information are updated, along with
 766  * changing the ad-hoc state accordingly.
 767  */
 768 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
 769                                               struct host_cmd_ds_command *resp)
 770 {
 771         struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
 772                                         &(resp->params.ibss_coalescing);
 773
 774         if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
 775                 return 0;
 776
 777         dev_dbg(priv->adapter->dev,
 778                 "info: new BSSID %pM\n", ibss_coal_resp->bssid);
 779
 780         /* If rsp has NULL BSSID, Just return..... No Action */
 781         if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
 782                 dev_warn(priv->adapter->dev, "new BSSID is NULL\n");
 783                 return 0;
 784         }
 785
 786         /* If BSSID is diff, modify current BSS parameters */
 787         if (memcmp(priv->curr_bss_params.bss_descriptor.mac_address,
 788                    ibss_coal_resp->bssid, ETH_ALEN)) {
 789                 /* BSSID */
 790                 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
 791                        ibss_coal_resp->bssid, ETH_ALEN);
 792
 793                 /* Beacon Interval */
 794                 priv->curr_bss_params.bss_descriptor.beacon_period
 795                         = le16_to_cpu(ibss_coal_resp->beacon_interval);
 796
 797                 /* ERP Information */
 798                 priv->curr_bss_params.bss_descriptor.erp_flags =
 799                         (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
 800
 801                 priv->adhoc_state = ADHOC_COALESCED;
 802         }
 803
 804         return 0;
 805 }
 806
 807 /*
 808  * This function handles the command response for subscribe event command.
 809  */
 810 static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
 811                                  struct host_cmd_ds_command *resp)
 812 {
 813         struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
 814                 &resp->params.subsc_evt;
 815
 816         /* For every subscribe event command (Get/Set/Clear), FW reports the
 817          * current set of subscribed events*/
 818         dev_dbg(priv->adapter->dev, "Bitmap of currently subscribed events: %16x\n",
 819                 le16_to_cpu(cmd_sub_event->events));
 820
 821         return 0;
 822 }
 823
 824 /*
 825  * This function handles the command responses.
 826  *
 827  * This is a generic function, which calls command specific
 828  * response handlers based on the command ID.
 829  */
 830 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
 831                                 struct host_cmd_ds_command *resp)
 832 {
 833         int ret = 0;
 834         struct mwifiex_adapter *adapter = priv->adapter;
 835         void *data_buf = adapter->curr_cmd->data_buf;
 836
 837         /* If the command is not successful, cleanup and return failure */
 838         if (resp->result != HostCmd_RESULT_OK) {
 839                 mwifiex_process_cmdresp_error(priv, resp);
 840                 return -1;
 841         }
 842         /* Command successful, handle response */
 843         switch (cmdresp_no) {
 844         case HostCmd_CMD_GET_HW_SPEC:
 845                 ret = mwifiex_ret_get_hw_spec(priv, resp);
 846                 break;
 847         case HostCmd_CMD_MAC_CONTROL:
 848                 break;
 849         case HostCmd_CMD_802_11_MAC_ADDRESS:
 850                 ret = mwifiex_ret_802_11_mac_address(priv, resp);
 851                 break;
 852         case HostCmd_CMD_MAC_MULTICAST_ADR:
 853                 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
 854                 break;
 855         case HostCmd_CMD_TX_RATE_CFG:
 856                 ret = mwifiex_ret_tx_rate_cfg(priv, resp);
 857                 break;
 858         case HostCmd_CMD_802_11_SCAN:
 859                 ret = mwifiex_ret_802_11_scan(priv, resp);
 860                 adapter->curr_cmd->wait_q_enabled = false;
 861                 break;
 862         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
 863                 ret = mwifiex_ret_802_11_scan(priv, resp);
 864                 dev_dbg(adapter->dev,
 865                         "info: CMD_RESP: BG_SCAN result is ready!\n");
 866                 break;
 867         case HostCmd_CMD_TXPWR_CFG:
 868                 ret = mwifiex_ret_tx_power_cfg(priv, resp);
 869                 break;
 870         case HostCmd_CMD_RF_TX_PWR:
 871                 ret = mwifiex_ret_rf_tx_power(priv, resp);
 872                 break;
 873         case HostCmd_CMD_RF_ANTENNA:
 874                 ret = mwifiex_ret_rf_antenna(priv, resp);
 875                 break;
 876         case HostCmd_CMD_802_11_PS_MODE_ENH:
 877                 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
 878                 break;
 879         case HostCmd_CMD_802_11_HS_CFG_ENH:
 880                 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
 881                 break;
 882         case HostCmd_CMD_802_11_ASSOCIATE:
 883                 ret = mwifiex_ret_802_11_associate(priv, resp);
 884                 break;
 885         case HostCmd_CMD_802_11_DEAUTHENTICATE:
 886                 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
 887                 break;
 888         case HostCmd_CMD_802_11_AD_HOC_START:
 889         case HostCmd_CMD_802_11_AD_HOC_JOIN:
 890                 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
 891                 break;
 892         case HostCmd_CMD_802_11_AD_HOC_STOP:
 893                 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
 894                 break;
 895         case HostCmd_CMD_802_11_GET_LOG:
 896                 ret = mwifiex_ret_get_log(priv, resp, data_buf);
 897                 break;
 898         case HostCmd_CMD_RSSI_INFO:
 899                 ret = mwifiex_ret_802_11_rssi_info(priv, resp);
 900                 break;
 901         case HostCmd_CMD_802_11_SNMP_MIB:
 902                 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
 903                 break;
 904         case HostCmd_CMD_802_11_TX_RATE_QUERY:
 905                 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
 906                 break;
 907         case HostCmd_CMD_VERSION_EXT:
 908                 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
 909                 break;
 910         case HostCmd_CMD_REMAIN_ON_CHAN:
 911                 ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
 912                 break;
 913         case HostCmd_CMD_P2P_MODE_CFG:
 914                 ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
 915                 break;
 916         case HostCmd_CMD_MGMT_FRAME_REG:
 917         case HostCmd_CMD_FUNC_INIT:
 918         case HostCmd_CMD_FUNC_SHUTDOWN:
 919                 break;
 920         case HostCmd_CMD_802_11_KEY_MATERIAL:
 921                 ret = mwifiex_ret_802_11_key_material(priv, resp);
 922                 break;
 923         case HostCmd_CMD_802_11D_DOMAIN_INFO:
 924                 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
 925                 break;
 926         case HostCmd_CMD_11N_ADDBA_REQ:
 927                 ret = mwifiex_ret_11n_addba_req(priv, resp);
 928                 break;
 929         case HostCmd_CMD_11N_DELBA:
 930                 ret = mwifiex_ret_11n_delba(priv, resp);
 931                 break;
 932         case HostCmd_CMD_11N_ADDBA_RSP:
 933                 ret = mwifiex_ret_11n_addba_resp(priv, resp);
 934                 break;
 935         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
 936                 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
 937                                                              tx_buf.buff_size);
 938                 adapter->tx_buf_size = (adapter->tx_buf_size
 939                                         / MWIFIEX_SDIO_BLOCK_SIZE)
 940                                        * MWIFIEX_SDIO_BLOCK_SIZE;
 941                 adapter->curr_tx_buf_size = adapter->tx_buf_size;
 942                 dev_dbg(adapter->dev,
 943                         "cmd: max_tx_buf_size=%d, tx_buf_size=%d\n",
 944                         adapter->max_tx_buf_size, adapter->tx_buf_size);
 945
 946                 if (adapter->if_ops.update_mp_end_port)
 947                         adapter->if_ops.update_mp_end_port(adapter,
 948                                 le16_to_cpu(resp->params.tx_buf.mp_end_port));
 949                 break;
 950         case HostCmd_CMD_AMSDU_AGGR_CTRL:
 951                 break;
 952         case HostCmd_CMD_WMM_GET_STATUS:
 953                 ret = mwifiex_ret_wmm_get_status(priv, resp);
 954                 break;
 955         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
 956                 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
 957                 break;
 958         case HostCmd_CMD_MAC_REG_ACCESS:
 959         case HostCmd_CMD_BBP_REG_ACCESS:
 960         case HostCmd_CMD_RF_REG_ACCESS:
 961         case HostCmd_CMD_PMIC_REG_ACCESS:
 962         case HostCmd_CMD_CAU_REG_ACCESS:
 963         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 964                 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
 965                 break;
 966         case HostCmd_CMD_SET_BSS_MODE:
 967                 break;
 968         case HostCmd_CMD_11N_CFG:
 969                 break;
 970         case HostCmd_CMD_PCIE_DESC_DETAILS:
 971                 break;
 972         case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
 973                 ret = mwifiex_ret_subsc_evt(priv, resp);
 974                 break;
 975         case HostCmd_CMD_UAP_SYS_CONFIG:
 976                 break;
 977         case HostCmd_CMD_UAP_BSS_START:
 978                 priv->bss_started = 1;
 979                 break;
 980         case HostCmd_CMD_UAP_BSS_STOP:
 981                 priv->bss_started = 0;
 982                 break;
 983         default:
 984                 dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n",
 985                         resp->command);
 986                 break;
 987         }
 988
 989         return ret;
 990 }