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 #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 cmd_ctrl_node *cmd_node = NULL, *tmp_node;
  48         struct mwifiex_adapter *adapter = priv->adapter;
  49         struct host_cmd_ds_802_11_ps_mode_enh *pm;
  50         unsigned long flags;
  51
  52         dev_err(adapter->dev, "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                 dev_err(adapter->dev,
  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                 /* Cancel all pending scan command */
  73                 spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
  74                 list_for_each_entry_safe(cmd_node, tmp_node,
  75                                          &adapter->scan_pending_q, list) {
  76                         list_del(&cmd_node->list);
  77                         spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
  78                                                flags);
  79                         mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
  80                         spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
  81                 }
  82                 spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags);
  83
  84                 spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
  85                 adapter->scan_processing = false;
  86                 spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
  87                 if (priv->report_scan_result)
  88                         priv->report_scan_result = false;
  89                 break;
  90
  91         case HostCmd_CMD_MAC_CONTROL:
  92                 break;
  93
  94         default:
  95                 break;
  96         }
  97         /* Handling errors here */
  98         mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
  99
 100         spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
 101         adapter->curr_cmd = NULL;
 102         spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
 103 }
 104
 105 /*
 106  * This function handles the command response of get RSSI info.
 107  *
 108  * Handling includes changing the header fields into CPU format
 109  * and saving the following parameters in driver -
 110  *      - Last data and beacon RSSI value
 111  *      - Average data and beacon RSSI value
 112  *      - Last data and beacon NF value
 113  *      - Average data and beacon NF value
 114  *
 115  * The parameters are send to the application as well, along with
 116  * calculated SNR values.
 117  */
 118 static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv,
 119                                         struct host_cmd_ds_command *resp)
 120 {
 121         struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
 122                                                 &resp->params.rssi_info_rsp;
 123         struct mwifiex_ds_misc_subsc_evt *subsc_evt =
 124                                                 &priv->async_subsc_evt_storage;
 125
 126         priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
 127         priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
 128
 129         priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg);
 130         priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg);
 131
 132         priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last);
 133         priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last);
 134
 135         priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
 136         priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
 137
 138         if (priv->subsc_evt_rssi_state == EVENT_HANDLED)
 139                 return 0;
 140
 141         memset(subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
 142
 143         /* Resubscribe low and high rssi events with new thresholds */
 144         subsc_evt->events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
 145         subsc_evt->action = HostCmd_ACT_BITWISE_SET;
 146         if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) {
 147                 subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg -
 148                                 priv->cqm_rssi_hyst);
 149                 subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
 150         } else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) {
 151                 subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
 152                 subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg +
 153                                 priv->cqm_rssi_hyst);
 154         }
 155         subsc_evt->bcn_l_rssi_cfg.evt_freq = 1;
 156         subsc_evt->bcn_h_rssi_cfg.evt_freq = 1;
 157
 158         priv->subsc_evt_rssi_state = EVENT_HANDLED;
 159
 160         mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
 161                                0, 0, subsc_evt);
 162
 163         return 0;
 164 }
 165
 166 /*
 167  * This function handles the command response of set/get SNMP
 168  * MIB parameters.
 169  *
 170  * Handling includes changing the header fields into CPU format
 171  * and saving the parameter in driver.
 172  *
 173  * The following parameters are supported -
 174  *      - Fragmentation threshold
 175  *      - RTS threshold
 176  *      - Short retry limit
 177  */
 178 static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
 179                                        struct host_cmd_ds_command *resp,
 180                                        u32 *data_buf)
 181 {
 182         struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
 183         u16 oid = le16_to_cpu(smib->oid);
 184         u16 query_type = le16_to_cpu(smib->query_type);
 185         u32 ul_temp;
 186
 187         dev_dbg(priv->adapter->dev, "info: SNMP_RESP: oid value = %#x,"
 188                 " query_type = %#x, buf size = %#x\n",
 189                 oid, query_type, le16_to_cpu(smib->buf_size));
 190         if (query_type == HostCmd_ACT_GEN_GET) {
 191                 ul_temp = le16_to_cpu(*((__le16 *) (smib->value)));
 192                 if (data_buf)
 193                         *data_buf = ul_temp;
 194                 switch (oid) {
 195                 case FRAG_THRESH_I:
 196                         dev_dbg(priv->adapter->dev,
 197                                 "info: SNMP_RESP: FragThsd =%u\n", ul_temp);
 198                         break;
 199                 case RTS_THRESH_I:
 200                         dev_dbg(priv->adapter->dev,
 201                                 "info: SNMP_RESP: RTSThsd =%u\n", ul_temp);
 202                         break;
 203                 case SHORT_RETRY_LIM_I:
 204                         dev_dbg(priv->adapter->dev,
 205                                 "info: SNMP_RESP: TxRetryCount=%u\n", ul_temp);
 206                         break;
 207                 case DTIM_PERIOD_I:
 208                         dev_dbg(priv->adapter->dev,
 209                                 "info: SNMP_RESP: DTIM period=%u\n", ul_temp);
 210                 default:
 211                         break;
 212                 }
 213         }
 214
 215         return 0;
 216 }
 217
 218 /*
 219  * This function handles the command response of get log request
 220  *
 221  * Handling includes changing the header fields into CPU format
 222  * and sending the received parameters to application.
 223  */
 224 static int mwifiex_ret_get_log(struct mwifiex_private *priv,
 225                                struct host_cmd_ds_command *resp,
 226                                struct mwifiex_ds_get_stats *stats)
 227 {
 228         struct host_cmd_ds_802_11_get_log *get_log =
 229                 &resp->params.get_log;
 230
 231         if (stats) {
 232                 stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
 233                 stats->failed = le32_to_cpu(get_log->failed);
 234                 stats->retry = le32_to_cpu(get_log->retry);
 235                 stats->multi_retry = le32_to_cpu(get_log->multi_retry);
 236                 stats->frame_dup = le32_to_cpu(get_log->frame_dup);
 237                 stats->rts_success = le32_to_cpu(get_log->rts_success);
 238                 stats->rts_failure = le32_to_cpu(get_log->rts_failure);
 239                 stats->ack_failure = le32_to_cpu(get_log->ack_failure);
 240                 stats->rx_frag = le32_to_cpu(get_log->rx_frag);
 241                 stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
 242                 stats->fcs_error = le32_to_cpu(get_log->fcs_error);
 243                 stats->tx_frame = le32_to_cpu(get_log->tx_frame);
 244                 stats->wep_icv_error[0] =
 245                         le32_to_cpu(get_log->wep_icv_err_cnt[0]);
 246                 stats->wep_icv_error[1] =
 247                         le32_to_cpu(get_log->wep_icv_err_cnt[1]);
 248                 stats->wep_icv_error[2] =
 249                         le32_to_cpu(get_log->wep_icv_err_cnt[2]);
 250                 stats->wep_icv_error[3] =
 251                         le32_to_cpu(get_log->wep_icv_err_cnt[3]);
 252         }
 253
 254         return 0;
 255 }
 256
 257 /*
 258  * This function handles the command response of set/get Tx rate
 259  * configurations.
 260  *
 261  * Handling includes changing the header fields into CPU format
 262  * and saving the following parameters in driver -
 263  *      - DSSS rate bitmap
 264  *      - OFDM rate bitmap
 265  *      - HT MCS rate bitmaps
 266  *
 267  * Based on the new rate bitmaps, the function re-evaluates if
 268  * auto data rate has been activated. If not, it sends another
 269  * query to the firmware to get the current Tx data rate.
 270  */
 271 static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
 272                                    struct host_cmd_ds_command *resp)
 273 {
 274         struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
 275         struct mwifiex_rate_scope *rate_scope;
 276         struct mwifiex_ie_types_header *head;
 277         u16 tlv, tlv_buf_len, tlv_buf_left;
 278         u8 *tlv_buf;
 279         u32 i;
 280
 281         tlv_buf = ((u8 *)rate_cfg) + sizeof(struct host_cmd_ds_tx_rate_cfg);
 282         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*rate_cfg);
 283
 284         while (tlv_buf_left >= sizeof(*head)) {
 285                 head = (struct mwifiex_ie_types_header *)tlv_buf;
 286                 tlv = le16_to_cpu(head->type);
 287                 tlv_buf_len = le16_to_cpu(head->len);
 288
 289                 if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
 290                         break;
 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                 tlv_buf += (sizeof(*head) + tlv_buf_len);
 311                 tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
 312         }
 313
 314         priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
 315
 316         if (priv->is_data_rate_auto)
 317                 priv->data_rate = 0;
 318         else
 319                 return mwifiex_send_cmd_async(priv,
 320                                               HostCmd_CMD_802_11_TX_RATE_QUERY,
 321                                               HostCmd_ACT_GEN_GET, 0, NULL);
 322
 323         return 0;
 324 }
 325
 326 /*
 327  * This function handles the command response of get Tx power level.
 328  *
 329  * Handling includes saving the maximum and minimum Tx power levels
 330  * in driver, as well as sending the values to user.
 331  */
 332 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
 333 {
 334         int length, max_power = -1, min_power = -1;
 335         struct mwifiex_types_power_group *pg_tlv_hdr;
 336         struct mwifiex_power_group *pg;
 337
 338         if (!data_buf)
 339                 return -1;
 340
 341         pg_tlv_hdr = (struct mwifiex_types_power_group *)
 342                 ((u8 *) data_buf + sizeof(struct host_cmd_ds_txpwr_cfg));
 343         pg = (struct mwifiex_power_group *)
 344                 ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
 345         length = le16_to_cpu(pg_tlv_hdr->length);
 346
 347         /* At least one structure required to update power */
 348         if (length < sizeof(struct mwifiex_power_group))
 349                 return 0;
 350
 351         max_power = pg->power_max;
 352         min_power = pg->power_min;
 353         length -= sizeof(struct mwifiex_power_group);
 354
 355         while (length >= sizeof(struct mwifiex_power_group)) {
 356                 pg++;
 357                 if (max_power < pg->power_max)
 358                         max_power = pg->power_max;
 359
 360                 if (min_power > pg->power_min)
 361                         min_power = pg->power_min;
 362
 363                 length -= sizeof(struct mwifiex_power_group);
 364         }
 365         priv->min_tx_power_level = (u8) min_power;
 366         priv->max_tx_power_level = (u8) max_power;
 367
 368         return 0;
 369 }
 370
 371 /*
 372  * This function handles the command response of set/get Tx power
 373  * configurations.
 374  *
 375  * Handling includes changing the header fields into CPU format
 376  * and saving the current Tx power level in driver.
 377  */
 378 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
 379                                     struct host_cmd_ds_command *resp)
 380 {
 381         struct mwifiex_adapter *adapter = priv->adapter;
 382         struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
 383         struct mwifiex_types_power_group *pg_tlv_hdr;
 384         struct mwifiex_power_group *pg;
 385         u16 action = le16_to_cpu(txp_cfg->action);
 386
 387         switch (action) {
 388         case HostCmd_ACT_GEN_GET:
 389                 pg_tlv_hdr = (struct mwifiex_types_power_group *)
 390                         ((u8 *) txp_cfg +
 391                          sizeof(struct host_cmd_ds_txpwr_cfg));
 392
 393                 pg = (struct mwifiex_power_group *)
 394                         ((u8 *) pg_tlv_hdr +
 395                          sizeof(struct mwifiex_types_power_group));
 396
 397                 if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
 398                         mwifiex_get_power_level(priv, txp_cfg);
 399
 400                 priv->tx_power_level = (u16) pg->power_min;
 401                 break;
 402
 403         case HostCmd_ACT_GEN_SET:
 404                 if (!le32_to_cpu(txp_cfg->mode))
 405                         break;
 406
 407                 pg_tlv_hdr = (struct mwifiex_types_power_group *)
 408                         ((u8 *) txp_cfg +
 409                          sizeof(struct host_cmd_ds_txpwr_cfg));
 410
 411                 pg = (struct mwifiex_power_group *)
 412                         ((u8 *) pg_tlv_hdr +
 413                          sizeof(struct mwifiex_types_power_group));
 414
 415                 if (pg->power_max == pg->power_min)
 416                         priv->tx_power_level = (u16) pg->power_min;
 417                 break;
 418         default:
 419                 dev_err(adapter->dev, "CMD_RESP: unknown cmd action %d\n",
 420                         action);
 421                 return 0;
 422         }
 423         dev_dbg(adapter->dev,
 424                 "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
 425                priv->tx_power_level, priv->max_tx_power_level,
 426                priv->min_tx_power_level);
 427
 428         return 0;
 429 }
 430
 431 /*
 432  * This function handles the command response of get RF Tx power.
 433  */
 434 static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv,
 435                                    struct host_cmd_ds_command *resp)
 436 {
 437         struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp;
 438         u16 action = le16_to_cpu(txp->action);
 439
 440         priv->tx_power_level = le16_to_cpu(txp->cur_level);
 441
 442         if (action == HostCmd_ACT_GEN_GET) {
 443                 priv->max_tx_power_level = txp->max_power;
 444                 priv->min_tx_power_level = txp->min_power;
 445         }
 446
 447         dev_dbg(priv->adapter->dev,
 448                 "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n",
 449                 priv->tx_power_level, priv->max_tx_power_level,
 450                 priv->min_tx_power_level);
 451
 452         return 0;
 453 }
 454
 455 /*
 456  * This function handles the command response of set rf antenna
 457  */
 458 static int mwifiex_ret_rf_antenna(struct mwifiex_private *priv,
 459                                   struct host_cmd_ds_command *resp)
 460 {
 461         struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo;
 462         struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso;
 463         struct mwifiex_adapter *adapter = priv->adapter;
 464
 465         if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
 466                 dev_dbg(adapter->dev,
 467                         "RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x"
 468                         " Rx action = 0x%x, Rx Mode = 0x%04x\n",
 469                         le16_to_cpu(ant_mimo->action_tx),
 470                         le16_to_cpu(ant_mimo->tx_ant_mode),
 471                         le16_to_cpu(ant_mimo->action_rx),
 472                         le16_to_cpu(ant_mimo->rx_ant_mode));
 473         else
 474                 dev_dbg(adapter->dev,
 475                         "RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n",
 476                         le16_to_cpu(ant_siso->action),
 477                         le16_to_cpu(ant_siso->ant_mode));
 478
 479         return 0;
 480 }
 481
 482 /*
 483  * This function handles the command response of set/get MAC address.
 484  *
 485  * Handling includes saving the MAC address in driver.
 486  */
 487 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
 488                                           struct host_cmd_ds_command *resp)
 489 {
 490         struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
 491                                                         &resp->params.mac_addr;
 492
 493         memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
 494
 495         dev_dbg(priv->adapter->dev,
 496                 "info: set mac address: %pM\n", priv->curr_addr);
 497
 498         return 0;
 499 }
 500
 501 /*
 502  * This function handles the command response of set/get MAC multicast
 503  * address.
 504  */
 505 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
 506                                          struct host_cmd_ds_command *resp)
 507 {
 508         return 0;
 509 }
 510
 511 /*
 512  * This function handles the command response of get Tx rate query.
 513  *
 514  * Handling includes changing the header fields into CPU format
 515  * and saving the Tx rate and HT information parameters in driver.
 516  *
 517  * Both rate configuration and current data rate can be retrieved
 518  * with this request.
 519  */
 520 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
 521                                             struct host_cmd_ds_command *resp)
 522 {
 523         priv->tx_rate = resp->params.tx_rate.tx_rate;
 524         priv->tx_htinfo = resp->params.tx_rate.ht_info;
 525         if (!priv->is_data_rate_auto)
 526                 priv->data_rate =
 527                         mwifiex_index_to_data_rate(priv, priv->tx_rate,
 528                                                    priv->tx_htinfo);
 529
 530         return 0;
 531 }
 532
 533 /*
 534  * This function handles the command response of a deauthenticate
 535  * command.
 536  *
 537  * If the deauthenticated MAC matches the current BSS MAC, the connection
 538  * state is reset.
 539  */
 540 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
 541                                              struct host_cmd_ds_command *resp)
 542 {
 543         struct mwifiex_adapter *adapter = priv->adapter;
 544
 545         adapter->dbg.num_cmd_deauth++;
 546         if (!memcmp(resp->params.deauth.mac_addr,
 547                     &priv->curr_bss_params.bss_descriptor.mac_address,
 548                     sizeof(resp->params.deauth.mac_addr)))
 549                 mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
 550
 551         return 0;
 552 }
 553
 554 /*
 555  * This function handles the command response of ad-hoc stop.
 556  *
 557  * The function resets the connection state in driver.
 558  */
 559 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
 560                                           struct host_cmd_ds_command *resp)
 561 {
 562         mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
 563         return 0;
 564 }
 565
 566 /*
 567  * This function handles the command response of set/get key material.
 568  *
 569  * Handling includes updating the driver parameters to reflect the
 570  * changes.
 571  */
 572 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
 573                                            struct host_cmd_ds_command *resp)
 574 {
 575         struct host_cmd_ds_802_11_key_material *key =
 576                                                 &resp->params.key_material;
 577
 578         if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
 579                 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
 580                         dev_dbg(priv->adapter->dev, "info: key: GTK is set\n");
 581                         priv->wpa_is_gtk_set = true;
 582                         priv->scan_block = false;
 583                 }
 584         }
 585
 586         memset(priv->aes_key.key_param_set.key, 0,
 587                sizeof(key->key_param_set.key));
 588         priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
 589         memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
 590                le16_to_cpu(priv->aes_key.key_param_set.key_len));
 591
 592         return 0;
 593 }
 594
 595 /*
 596  * This function handles the command response of get 11d domain information.
 597  */
 598 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
 599                                            struct host_cmd_ds_command *resp)
 600 {
 601         struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
 602                 &resp->params.domain_info_resp;
 603         struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
 604         u16 action = le16_to_cpu(domain_info->action);
 605         u8 no_of_triplet;
 606
 607         no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
 608                                 - IEEE80211_COUNTRY_STRING_LEN)
 609                               / sizeof(struct ieee80211_country_ie_triplet));
 610
 611         dev_dbg(priv->adapter->dev,
 612                 "info: 11D Domain Info Resp: no_of_triplet=%d\n",
 613                 no_of_triplet);
 614
 615         if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
 616                 dev_warn(priv->adapter->dev,
 617                          "11D: invalid number of triplets %d returned\n",
 618                          no_of_triplet);
 619                 return -1;
 620         }
 621
 622         switch (action) {
 623         case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
 624                 break;
 625         case HostCmd_ACT_GEN_GET:
 626                 break;
 627         default:
 628                 dev_err(priv->adapter->dev,
 629                         "11D: invalid action:%d\n", domain_info->action);
 630                 return -1;
 631         }
 632
 633         return 0;
 634 }
 635
 636 /*
 637  * This function handles the command response of get extended version.
 638  *
 639  * Handling includes forming the extended version string and sending it
 640  * to application.
 641  */
 642 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
 643                                struct host_cmd_ds_command *resp,
 644                                struct host_cmd_ds_version_ext *version_ext)
 645 {
 646         struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
 647
 648         if (version_ext) {
 649                 version_ext->version_str_sel = ver_ext->version_str_sel;
 650                 memcpy(version_ext->version_str, ver_ext->version_str,
 651                        sizeof(char) * 128);
 652                 memcpy(priv->version_str, ver_ext->version_str, 128);
 653         }
 654         return 0;
 655 }
 656
 657 /*
 658  * This function handles the command response of remain on channel.
 659  */
 660 static int
 661 mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
 662                            struct host_cmd_ds_command *resp,
 663                            struct host_cmd_ds_remain_on_chan *roc_cfg)
 664 {
 665         struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
 666
 667         if (roc_cfg)
 668                 memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
 669
 670         return 0;
 671 }
 672
 673 /*
 674  * This function handles the command response of P2P mode cfg.
 675  */
 676 static int
 677 mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
 678                          struct host_cmd_ds_command *resp,
 679                          void *data_buf)
 680 {
 681         struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
 682
 683         if (data_buf)
 684                 *((u16 *)data_buf) = le16_to_cpu(mode_cfg->mode);
 685
 686         return 0;
 687 }
 688
 689 /*
 690  * This function handles the command response of register access.
 691  *
 692  * The register value and offset are returned to the user. For EEPROM
 693  * access, the byte count is also returned.
 694  */
 695 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
 696                                   void *data_buf)
 697 {
 698         struct mwifiex_ds_reg_rw *reg_rw;
 699         struct mwifiex_ds_read_eeprom *eeprom;
 700         union reg {
 701                 struct host_cmd_ds_mac_reg_access *mac;
 702                 struct host_cmd_ds_bbp_reg_access *bbp;
 703                 struct host_cmd_ds_rf_reg_access *rf;
 704                 struct host_cmd_ds_pmic_reg_access *pmic;
 705                 struct host_cmd_ds_802_11_eeprom_access *eeprom;
 706         } r;
 707
 708         if (!data_buf)
 709                 return 0;
 710
 711         reg_rw = data_buf;
 712         eeprom = data_buf;
 713         switch (type) {
 714         case HostCmd_CMD_MAC_REG_ACCESS:
 715                 r.mac = &resp->params.mac_reg;
 716                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.mac->offset));
 717                 reg_rw->value = r.mac->value;
 718                 break;
 719         case HostCmd_CMD_BBP_REG_ACCESS:
 720                 r.bbp = &resp->params.bbp_reg;
 721                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.bbp->offset));
 722                 reg_rw->value = cpu_to_le32((u32) r.bbp->value);
 723                 break;
 724
 725         case HostCmd_CMD_RF_REG_ACCESS:
 726                 r.rf = &resp->params.rf_reg;
 727                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
 728                 reg_rw->value = cpu_to_le32((u32) r.bbp->value);
 729                 break;
 730         case HostCmd_CMD_PMIC_REG_ACCESS:
 731                 r.pmic = &resp->params.pmic_reg;
 732                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.pmic->offset));
 733                 reg_rw->value = cpu_to_le32((u32) r.pmic->value);
 734                 break;
 735         case HostCmd_CMD_CAU_REG_ACCESS:
 736                 r.rf = &resp->params.rf_reg;
 737                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
 738                 reg_rw->value = cpu_to_le32((u32) r.rf->value);
 739                 break;
 740         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 741                 r.eeprom = &resp->params.eeprom;
 742                 pr_debug("info: EEPROM read len=%x\n", r.eeprom->byte_count);
 743                 if (le16_to_cpu(eeprom->byte_count) <
 744                     le16_to_cpu(r.eeprom->byte_count)) {
 745                         eeprom->byte_count = cpu_to_le16(0);
 746                         pr_debug("info: EEPROM read length is too big\n");
 747                         return -1;
 748                 }
 749                 eeprom->offset = r.eeprom->offset;
 750                 eeprom->byte_count = r.eeprom->byte_count;
 751                 if (le16_to_cpu(eeprom->byte_count) > 0)
 752                         memcpy(&eeprom->value, &r.eeprom->value,
 753                                le16_to_cpu(r.eeprom->byte_count));
 754
 755                 break;
 756         default:
 757                 return -1;
 758         }
 759         return 0;
 760 }
 761
 762 /*
 763  * This function handles the command response of get IBSS coalescing status.
 764  *
 765  * If the received BSSID is different than the current one, the current BSSID,
 766  * beacon interval, ATIM window and ERP information are updated, along with
 767  * changing the ad-hoc state accordingly.
 768  */
 769 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
 770                                               struct host_cmd_ds_command *resp)
 771 {
 772         struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
 773                                         &(resp->params.ibss_coalescing);
 774
 775         if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
 776                 return 0;
 777
 778         dev_dbg(priv->adapter->dev,
 779                 "info: new BSSID %pM\n", ibss_coal_resp->bssid);
 780
 781         /* If rsp has NULL BSSID, Just return..... No Action */
 782         if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
 783                 dev_warn(priv->adapter->dev, "new BSSID is NULL\n");
 784                 return 0;
 785         }
 786
 787         /* If BSSID is diff, modify current BSS parameters */
 788         if (memcmp(priv->curr_bss_params.bss_descriptor.mac_address,
 789                    ibss_coal_resp->bssid, ETH_ALEN)) {
 790                 /* BSSID */
 791                 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
 792                        ibss_coal_resp->bssid, ETH_ALEN);
 793
 794                 /* Beacon Interval */
 795                 priv->curr_bss_params.bss_descriptor.beacon_period
 796                         = le16_to_cpu(ibss_coal_resp->beacon_interval);
 797
 798                 /* ERP Information */
 799                 priv->curr_bss_params.bss_descriptor.erp_flags =
 800                         (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
 801
 802                 priv->adhoc_state = ADHOC_COALESCED;
 803         }
 804
 805         return 0;
 806 }
 807
 808 /*
 809  * This function handles the command response for subscribe event command.
 810  */
 811 static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
 812                                  struct host_cmd_ds_command *resp)
 813 {
 814         struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
 815                 &resp->params.subsc_evt;
 816
 817         /* For every subscribe event command (Get/Set/Clear), FW reports the
 818          * current set of subscribed events*/
 819         dev_dbg(priv->adapter->dev, "Bitmap of currently subscribed events: %16x\n",
 820                 le16_to_cpu(cmd_sub_event->events));
 821
 822         return 0;
 823 }
 824
 825 /* This function handles the command response of set_cfg_data */
 826 static int mwifiex_ret_cfg_data(struct mwifiex_private *priv,
 827                                 struct host_cmd_ds_command *resp)
 828 {
 829         if (resp->result != HostCmd_RESULT_OK) {
 830                 dev_err(priv->adapter->dev, "Cal data cmd resp failed\n");
 831                 return -1;
 832         }
 833
 834         return 0;
 835 }
 836
 837 /*
 838  * This function handles the command responses.
 839  *
 840  * This is a generic function, which calls command specific
 841  * response handlers based on the command ID.
 842  */
 843 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
 844                                 struct host_cmd_ds_command *resp)
 845 {
 846         int ret = 0;
 847         struct mwifiex_adapter *adapter = priv->adapter;
 848         void *data_buf = adapter->curr_cmd->data_buf;
 849
 850         /* If the command is not successful, cleanup and return failure */
 851         if (resp->result != HostCmd_RESULT_OK) {
 852                 mwifiex_process_cmdresp_error(priv, resp);
 853                 return -1;
 854         }
 855         /* Command successful, handle response */
 856         switch (cmdresp_no) {
 857         case HostCmd_CMD_GET_HW_SPEC:
 858                 ret = mwifiex_ret_get_hw_spec(priv, resp);
 859                 break;
 860         case HostCmd_CMD_CFG_DATA:
 861                 ret = mwifiex_ret_cfg_data(priv, resp);
 862                 break;
 863         case HostCmd_CMD_MAC_CONTROL:
 864                 break;
 865         case HostCmd_CMD_802_11_MAC_ADDRESS:
 866                 ret = mwifiex_ret_802_11_mac_address(priv, resp);
 867                 break;
 868         case HostCmd_CMD_MAC_MULTICAST_ADR:
 869                 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
 870                 break;
 871         case HostCmd_CMD_TX_RATE_CFG:
 872                 ret = mwifiex_ret_tx_rate_cfg(priv, resp);
 873                 break;
 874         case HostCmd_CMD_802_11_SCAN:
 875                 ret = mwifiex_ret_802_11_scan(priv, resp);
 876                 adapter->curr_cmd->wait_q_enabled = false;
 877                 break;
 878         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
 879                 ret = mwifiex_ret_802_11_scan(priv, resp);
 880                 dev_dbg(adapter->dev,
 881                         "info: CMD_RESP: BG_SCAN result is ready!\n");
 882                 break;
 883         case HostCmd_CMD_TXPWR_CFG:
 884                 ret = mwifiex_ret_tx_power_cfg(priv, resp);
 885                 break;
 886         case HostCmd_CMD_RF_TX_PWR:
 887                 ret = mwifiex_ret_rf_tx_power(priv, resp);
 888                 break;
 889         case HostCmd_CMD_RF_ANTENNA:
 890                 ret = mwifiex_ret_rf_antenna(priv, resp);
 891                 break;
 892         case HostCmd_CMD_802_11_PS_MODE_ENH:
 893                 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
 894                 break;
 895         case HostCmd_CMD_802_11_HS_CFG_ENH:
 896                 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
 897                 break;
 898         case HostCmd_CMD_802_11_ASSOCIATE:
 899                 ret = mwifiex_ret_802_11_associate(priv, resp);
 900                 break;
 901         case HostCmd_CMD_802_11_DEAUTHENTICATE:
 902                 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
 903                 break;
 904         case HostCmd_CMD_802_11_AD_HOC_START:
 905         case HostCmd_CMD_802_11_AD_HOC_JOIN:
 906                 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
 907                 break;
 908         case HostCmd_CMD_802_11_AD_HOC_STOP:
 909                 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
 910                 break;
 911         case HostCmd_CMD_802_11_GET_LOG:
 912                 ret = mwifiex_ret_get_log(priv, resp, data_buf);
 913                 break;
 914         case HostCmd_CMD_RSSI_INFO:
 915                 ret = mwifiex_ret_802_11_rssi_info(priv, resp);
 916                 break;
 917         case HostCmd_CMD_802_11_SNMP_MIB:
 918                 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
 919                 break;
 920         case HostCmd_CMD_802_11_TX_RATE_QUERY:
 921                 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
 922                 break;
 923         case HostCmd_CMD_VERSION_EXT:
 924                 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
 925                 break;
 926         case HostCmd_CMD_REMAIN_ON_CHAN:
 927                 ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
 928                 break;
 929         case HostCmd_CMD_11AC_CFG:
 930                 break;
 931         case HostCmd_CMD_P2P_MODE_CFG:
 932                 ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
 933                 break;
 934         case HostCmd_CMD_MGMT_FRAME_REG:
 935         case HostCmd_CMD_FUNC_INIT:
 936         case HostCmd_CMD_FUNC_SHUTDOWN:
 937                 break;
 938         case HostCmd_CMD_802_11_KEY_MATERIAL:
 939                 ret = mwifiex_ret_802_11_key_material(priv, resp);
 940                 break;
 941         case HostCmd_CMD_802_11D_DOMAIN_INFO:
 942                 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
 943                 break;
 944         case HostCmd_CMD_11N_ADDBA_REQ:
 945                 ret = mwifiex_ret_11n_addba_req(priv, resp);
 946                 break;
 947         case HostCmd_CMD_11N_DELBA:
 948                 ret = mwifiex_ret_11n_delba(priv, resp);
 949                 break;
 950         case HostCmd_CMD_11N_ADDBA_RSP:
 951                 ret = mwifiex_ret_11n_addba_resp(priv, resp);
 952                 break;
 953         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
 954                 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
 955                                                              tx_buf.buff_size);
 956                 adapter->tx_buf_size = (adapter->tx_buf_size
 957                                         / MWIFIEX_SDIO_BLOCK_SIZE)
 958                                        * MWIFIEX_SDIO_BLOCK_SIZE;
 959                 adapter->curr_tx_buf_size = adapter->tx_buf_size;
 960                 dev_dbg(adapter->dev, "cmd: curr_tx_buf_size=%d\n",
 961                         adapter->curr_tx_buf_size);
 962
 963                 if (adapter->if_ops.update_mp_end_port)
 964                         adapter->if_ops.update_mp_end_port(adapter,
 965                                 le16_to_cpu(resp->params.tx_buf.mp_end_port));
 966                 break;
 967         case HostCmd_CMD_AMSDU_AGGR_CTRL:
 968                 break;
 969         case HostCmd_CMD_WMM_GET_STATUS:
 970                 ret = mwifiex_ret_wmm_get_status(priv, resp);
 971                 break;
 972         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
 973                 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
 974                 break;
 975         case HostCmd_CMD_MAC_REG_ACCESS:
 976         case HostCmd_CMD_BBP_REG_ACCESS:
 977         case HostCmd_CMD_RF_REG_ACCESS:
 978         case HostCmd_CMD_PMIC_REG_ACCESS:
 979         case HostCmd_CMD_CAU_REG_ACCESS:
 980         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 981                 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
 982                 break;
 983         case HostCmd_CMD_SET_BSS_MODE:
 984                 break;
 985         case HostCmd_CMD_11N_CFG:
 986                 break;
 987         case HostCmd_CMD_PCIE_DESC_DETAILS:
 988                 break;
 989         case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
 990                 ret = mwifiex_ret_subsc_evt(priv, resp);
 991                 break;
 992         case HostCmd_CMD_UAP_SYS_CONFIG:
 993                 break;
 994         case HostCmd_CMD_UAP_BSS_START:
 995                 priv->bss_started = 1;
 996                 break;
 997         case HostCmd_CMD_UAP_BSS_STOP:
 998                 priv->bss_started = 0;
 999                 break;
1000         case HostCmd_CMD_UAP_STA_DEAUTH:
1001                 break;
1002         case HostCmd_CMD_MEF_CFG:
1003                 break;
1004         case HostCmd_CMD_COALESCE_CFG:
1005                 break;
1006         default:
1007                 dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n",
1008                         resp->command);
1009                 break;
1010         }
1011
1012         return ret;
1013 }