Pileus Git - ~andy/linux/blob - 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                                         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                 case DTIM_PERIOD_I:
 214                         dev_dbg(priv->adapter->dev,
 215                                 "info: SNMP_RESP: DTIM period=%u\n", ul_temp);
 216                 default:
 217                         break;
 218                 }
 219         }
 220
 221         return 0;
 222 }
 223
 224 /*
 225  * This function handles the command response of get log request
 226  *
 227  * Handling includes changing the header fields into CPU format
 228  * and sending the received parameters to application.
 229  */
 230 static int mwifiex_ret_get_log(struct mwifiex_private *priv,
 231                                struct host_cmd_ds_command *resp,
 232                                struct mwifiex_ds_get_stats *stats)
 233 {
 234         struct host_cmd_ds_802_11_get_log *get_log =
 235                 (struct host_cmd_ds_802_11_get_log *) &resp->params.get_log;
 236
 237         if (stats) {
 238                 stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
 239                 stats->failed = le32_to_cpu(get_log->failed);
 240                 stats->retry = le32_to_cpu(get_log->retry);
 241                 stats->multi_retry = le32_to_cpu(get_log->multi_retry);
 242                 stats->frame_dup = le32_to_cpu(get_log->frame_dup);
 243                 stats->rts_success = le32_to_cpu(get_log->rts_success);
 244                 stats->rts_failure = le32_to_cpu(get_log->rts_failure);
 245                 stats->ack_failure = le32_to_cpu(get_log->ack_failure);
 246                 stats->rx_frag = le32_to_cpu(get_log->rx_frag);
 247                 stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
 248                 stats->fcs_error = le32_to_cpu(get_log->fcs_error);
 249                 stats->tx_frame = le32_to_cpu(get_log->tx_frame);
 250                 stats->wep_icv_error[0] =
 251                         le32_to_cpu(get_log->wep_icv_err_cnt[0]);
 252                 stats->wep_icv_error[1] =
 253                         le32_to_cpu(get_log->wep_icv_err_cnt[1]);
 254                 stats->wep_icv_error[2] =
 255                         le32_to_cpu(get_log->wep_icv_err_cnt[2]);
 256                 stats->wep_icv_error[3] =
 257                         le32_to_cpu(get_log->wep_icv_err_cnt[3]);
 258         }
 259
 260         return 0;
 261 }
 262
 263 /*
 264  * This function handles the command response of set/get Tx rate
 265  * configurations.
 266  *
 267  * Handling includes changing the header fields into CPU format
 268  * and saving the following parameters in driver -
 269  *      - DSSS rate bitmap
 270  *      - OFDM rate bitmap
 271  *      - HT MCS rate bitmaps
 272  *
 273  * Based on the new rate bitmaps, the function re-evaluates if
 274  * auto data rate has been activated. If not, it sends another
 275  * query to the firmware to get the current Tx data rate and updates
 276  * the driver value.
 277  */
 278 static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
 279                                    struct host_cmd_ds_command *resp,
 280                                    struct mwifiex_rate_cfg *ds_rate)
 281 {
 282         struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
 283         struct mwifiex_rate_scope *rate_scope;
 284         struct mwifiex_ie_types_header *head;
 285         u16 tlv, tlv_buf_len;
 286         u8 *tlv_buf;
 287         u32 i;
 288         int ret = 0;
 289
 290         tlv_buf = (u8 *) ((u8 *) rate_cfg) +
 291                         sizeof(struct host_cmd_ds_tx_rate_cfg);
 292         tlv_buf_len = *(u16 *) (tlv_buf + sizeof(u16));
 293
 294         while (tlv_buf && tlv_buf_len > 0) {
 295                 tlv = (*tlv_buf);
 296                 tlv = tlv | (*(tlv_buf + 1) << 8);
 297
 298                 switch (tlv) {
 299                 case TLV_TYPE_RATE_SCOPE:
 300                         rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
 301                         priv->bitmap_rates[0] =
 302                                 le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
 303                         priv->bitmap_rates[1] =
 304                                 le16_to_cpu(rate_scope->ofdm_rate_bitmap);
 305                         for (i = 0;
 306                              i <
 307                              sizeof(rate_scope->ht_mcs_rate_bitmap) /
 308                              sizeof(u16); i++)
 309                                 priv->bitmap_rates[2 + i] =
 310                                         le16_to_cpu(rate_scope->
 311                                                     ht_mcs_rate_bitmap[i]);
 312                         break;
 313                         /* Add RATE_DROP tlv here */
 314                 }
 315
 316                 head = (struct mwifiex_ie_types_header *) tlv_buf;
 317                 tlv_buf += le16_to_cpu(head->len) + sizeof(*head);
 318                 tlv_buf_len -= le16_to_cpu(head->len);
 319         }
 320
 321         priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
 322
 323         if (priv->is_data_rate_auto)
 324                 priv->data_rate = 0;
 325         else
 326                 ret = mwifiex_send_cmd_async(priv,
 327                                           HostCmd_CMD_802_11_TX_RATE_QUERY,
 328                                           HostCmd_ACT_GEN_GET, 0, NULL);
 329
 330         if (!ds_rate)
 331                 return ret;
 332
 333         if (le16_to_cpu(rate_cfg->action) == HostCmd_ACT_GEN_GET) {
 334                 if (priv->is_data_rate_auto) {
 335                         ds_rate->is_rate_auto = 1;
 336                 return ret;
 337         }
 338         ds_rate->rate = mwifiex_get_rate_index(priv->bitmap_rates,
 339                                                sizeof(priv->bitmap_rates));
 340
 341         if (ds_rate->rate >= MWIFIEX_RATE_BITMAP_OFDM0 &&
 342             ds_rate->rate <= MWIFIEX_RATE_BITMAP_OFDM7)
 343                 ds_rate->rate -= (MWIFIEX_RATE_BITMAP_OFDM0 -
 344                                   MWIFIEX_RATE_INDEX_OFDM0);
 345
 346         if (ds_rate->rate >= MWIFIEX_RATE_BITMAP_MCS0 &&
 347             ds_rate->rate <= MWIFIEX_RATE_BITMAP_MCS127)
 348                 ds_rate->rate -= (MWIFIEX_RATE_BITMAP_MCS0 -
 349                                   MWIFIEX_RATE_INDEX_MCS0);
 350         }
 351
 352         return ret;
 353 }
 354
 355 /*
 356  * This function handles the command response of get Tx power level.
 357  *
 358  * Handling includes saving the maximum and minimum Tx power levels
 359  * in driver, as well as sending the values to user.
 360  */
 361 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
 362 {
 363         int length, max_power = -1, min_power = -1;
 364         struct mwifiex_types_power_group *pg_tlv_hdr;
 365         struct mwifiex_power_group *pg;
 366
 367         if (!data_buf)
 368                 return -1;
 369
 370         pg_tlv_hdr = (struct mwifiex_types_power_group *)
 371                 ((u8 *) data_buf + sizeof(struct host_cmd_ds_txpwr_cfg));
 372         pg = (struct mwifiex_power_group *)
 373                 ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
 374         length = pg_tlv_hdr->length;
 375         if (length > 0) {
 376                 max_power = pg->power_max;
 377                 min_power = pg->power_min;
 378                 length -= sizeof(struct mwifiex_power_group);
 379         }
 380         while (length) {
 381                 pg++;
 382                 if (max_power < pg->power_max)
 383                         max_power = pg->power_max;
 384
 385                 if (min_power > pg->power_min)
 386                         min_power = pg->power_min;
 387
 388                 length -= sizeof(struct mwifiex_power_group);
 389         }
 390         if (pg_tlv_hdr->length > 0) {
 391                 priv->min_tx_power_level = (u8) min_power;
 392                 priv->max_tx_power_level = (u8) max_power;
 393         }
 394
 395         return 0;
 396 }
 397
 398 /*
 399  * This function handles the command response of set/get Tx power
 400  * configurations.
 401  *
 402  * Handling includes changing the header fields into CPU format
 403  * and saving the current Tx power level in driver.
 404  */
 405 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
 406                                     struct host_cmd_ds_command *resp)
 407 {
 408         struct mwifiex_adapter *adapter = priv->adapter;
 409         struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
 410         struct mwifiex_types_power_group *pg_tlv_hdr;
 411         struct mwifiex_power_group *pg;
 412         u16 action = le16_to_cpu(txp_cfg->action);
 413
 414         switch (action) {
 415         case HostCmd_ACT_GEN_GET:
 416                 pg_tlv_hdr = (struct mwifiex_types_power_group *)
 417                         ((u8 *) txp_cfg +
 418                          sizeof(struct host_cmd_ds_txpwr_cfg));
 419
 420                 pg = (struct mwifiex_power_group *)
 421                         ((u8 *) pg_tlv_hdr +
 422                          sizeof(struct mwifiex_types_power_group));
 423
 424                 if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
 425                         mwifiex_get_power_level(priv, txp_cfg);
 426
 427                 priv->tx_power_level = (u16) pg->power_min;
 428                 break;
 429
 430         case HostCmd_ACT_GEN_SET:
 431                 if (!le32_to_cpu(txp_cfg->mode))
 432                         break;
 433
 434                 pg_tlv_hdr = (struct mwifiex_types_power_group *)
 435                         ((u8 *) txp_cfg +
 436                          sizeof(struct host_cmd_ds_txpwr_cfg));
 437
 438                 pg = (struct mwifiex_power_group *)
 439                         ((u8 *) pg_tlv_hdr +
 440                          sizeof(struct mwifiex_types_power_group));
 441
 442                 if (pg->power_max == pg->power_min)
 443                         priv->tx_power_level = (u16) pg->power_min;
 444                 break;
 445         default:
 446                 dev_err(adapter->dev, "CMD_RESP: unknown cmd action %d\n",
 447                         action);
 448                 return 0;
 449         }
 450         dev_dbg(adapter->dev,
 451                 "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
 452                priv->tx_power_level, priv->max_tx_power_level,
 453                priv->min_tx_power_level);
 454
 455         return 0;
 456 }
 457
 458 /*
 459  * This function handles the command response of set/get MAC address.
 460  *
 461  * Handling includes saving the MAC address in driver.
 462  */
 463 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
 464                                           struct host_cmd_ds_command *resp)
 465 {
 466         struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
 467                                                         &resp->params.mac_addr;
 468
 469         memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
 470
 471         dev_dbg(priv->adapter->dev,
 472                 "info: set mac address: %pM\n", priv->curr_addr);
 473
 474         return 0;
 475 }
 476
 477 /*
 478  * This function handles the command response of set/get MAC multicast
 479  * address.
 480  */
 481 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
 482                                          struct host_cmd_ds_command *resp)
 483 {
 484         return 0;
 485 }
 486
 487 /*
 488  * This function handles the command response of get Tx rate query.
 489  *
 490  * Handling includes changing the header fields into CPU format
 491  * and saving the Tx rate and HT information parameters in driver.
 492  *
 493  * Both rate configuration and current data rate can be retrieved
 494  * with this request.
 495  */
 496 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
 497                                             struct host_cmd_ds_command *resp)
 498 {
 499         priv->tx_rate = resp->params.tx_rate.tx_rate;
 500         priv->tx_htinfo = resp->params.tx_rate.ht_info;
 501         if (!priv->is_data_rate_auto)
 502                 priv->data_rate =
 503                         mwifiex_index_to_data_rate(priv, priv->tx_rate,
 504                                                    priv->tx_htinfo);
 505
 506         return 0;
 507 }
 508
 509 /*
 510  * This function handles the command response of a deauthenticate
 511  * command.
 512  *
 513  * If the deauthenticated MAC matches the current BSS MAC, the connection
 514  * state is reset.
 515  */
 516 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
 517                                              struct host_cmd_ds_command *resp)
 518 {
 519         struct mwifiex_adapter *adapter = priv->adapter;
 520
 521         adapter->dbg.num_cmd_deauth++;
 522         if (!memcmp(resp->params.deauth.mac_addr,
 523                     &priv->curr_bss_params.bss_descriptor.mac_address,
 524                     sizeof(resp->params.deauth.mac_addr)))
 525                 mwifiex_reset_connect_state(priv);
 526
 527         return 0;
 528 }
 529
 530 /*
 531  * This function handles the command response of ad-hoc stop.
 532  *
 533  * The function resets the connection state in driver.
 534  */
 535 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
 536                                           struct host_cmd_ds_command *resp)
 537 {
 538         mwifiex_reset_connect_state(priv);
 539         return 0;
 540 }
 541
 542 /*
 543  * This function handles the command response of set/get key material.
 544  *
 545  * Handling includes updating the driver parameters to reflect the
 546  * changes.
 547  */
 548 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
 549                                            struct host_cmd_ds_command *resp)
 550 {
 551         struct host_cmd_ds_802_11_key_material *key =
 552                                                 &resp->params.key_material;
 553
 554         if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
 555                 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
 556                         dev_dbg(priv->adapter->dev, "info: key: GTK is set\n");
 557                         priv->wpa_is_gtk_set = true;
 558                         priv->scan_block = false;
 559                 }
 560         }
 561
 562         memset(priv->aes_key.key_param_set.key, 0,
 563                sizeof(key->key_param_set.key));
 564         priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
 565         memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
 566                le16_to_cpu(priv->aes_key.key_param_set.key_len));
 567
 568         return 0;
 569 }
 570
 571 /*
 572  * This function handles the command response of get 11d domain information.
 573  */
 574 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
 575                                            struct host_cmd_ds_command *resp)
 576 {
 577         struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
 578                 &resp->params.domain_info_resp;
 579         struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
 580         u16 action = le16_to_cpu(domain_info->action);
 581         u8 no_of_triplet;
 582
 583         no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
 584                                 - IEEE80211_COUNTRY_STRING_LEN)
 585                               / sizeof(struct ieee80211_country_ie_triplet));
 586
 587         dev_dbg(priv->adapter->dev,
 588                 "info: 11D Domain Info Resp: no_of_triplet=%d\n",
 589                 no_of_triplet);
 590
 591         if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
 592                 dev_warn(priv->adapter->dev,
 593                          "11D: invalid number of triplets %d returned\n",
 594                          no_of_triplet);
 595                 return -1;
 596         }
 597
 598         switch (action) {
 599         case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
 600                 break;
 601         case HostCmd_ACT_GEN_GET:
 602                 break;
 603         default:
 604                 dev_err(priv->adapter->dev,
 605                         "11D: invalid action:%d\n", domain_info->action);
 606                 return -1;
 607         }
 608
 609         return 0;
 610 }
 611
 612 /*
 613  * This function handles the command response of get RF channel.
 614  *
 615  * Handling includes changing the header fields into CPU format
 616  * and saving the new channel in driver.
 617  */
 618 static int mwifiex_ret_802_11_rf_channel(struct mwifiex_private *priv,
 619                                          struct host_cmd_ds_command *resp,
 620                                          u16 *data_buf)
 621 {
 622         struct host_cmd_ds_802_11_rf_channel *rf_channel =
 623                 &resp->params.rf_channel;
 624         u16 new_channel = le16_to_cpu(rf_channel->current_channel);
 625
 626         if (priv->curr_bss_params.bss_descriptor.channel != new_channel) {
 627                 dev_dbg(priv->adapter->dev, "cmd: Channel Switch: %d to %d\n",
 628                         priv->curr_bss_params.bss_descriptor.channel,
 629                         new_channel);
 630                 /* Update the channel again */
 631                 priv->curr_bss_params.bss_descriptor.channel = new_channel;
 632         }
 633
 634         if (data_buf)
 635                 *data_buf = new_channel;
 636
 637         return 0;
 638 }
 639
 640 /*
 641  * This function handles the command response of get extended version.
 642  *
 643  * Handling includes forming the extended version string and sending it
 644  * to application.
 645  */
 646 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
 647                                struct host_cmd_ds_command *resp,
 648                                struct host_cmd_ds_version_ext *version_ext)
 649 {
 650         struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
 651
 652         if (version_ext) {
 653                 version_ext->version_str_sel = ver_ext->version_str_sel;
 654                 memcpy(version_ext->version_str, ver_ext->version_str,
 655                        sizeof(char) * 128);
 656                 memcpy(priv->version_str, ver_ext->version_str, 128);
 657         }
 658         return 0;
 659 }
 660
 661 /*
 662  * This function handles the command response of register access.
 663  *
 664  * The register value and offset are returned to the user. For EEPROM
 665  * access, the byte count is also returned.
 666  */
 667 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
 668                                   void *data_buf)
 669 {
 670         struct mwifiex_ds_reg_rw *reg_rw;
 671         struct mwifiex_ds_read_eeprom *eeprom;
 672         union reg {
 673                 struct host_cmd_ds_mac_reg_access *mac;
 674                 struct host_cmd_ds_bbp_reg_access *bbp;
 675                 struct host_cmd_ds_rf_reg_access *rf;
 676                 struct host_cmd_ds_pmic_reg_access *pmic;
 677                 struct host_cmd_ds_802_11_eeprom_access *eeprom;
 678         } r;
 679
 680         if (!data_buf)
 681                 return 0;
 682
 683         reg_rw = data_buf;
 684         eeprom = data_buf;
 685         switch (type) {
 686         case HostCmd_CMD_MAC_REG_ACCESS:
 687                 r.mac = (struct host_cmd_ds_mac_reg_access *)
 688                         &resp->params.mac_reg;
 689                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.mac->offset));
 690                 reg_rw->value = r.mac->value;
 691                 break;
 692         case HostCmd_CMD_BBP_REG_ACCESS:
 693                 r.bbp = (struct host_cmd_ds_bbp_reg_access *)
 694                         &resp->params.bbp_reg;
 695                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.bbp->offset));
 696                 reg_rw->value = cpu_to_le32((u32) r.bbp->value);
 697                 break;
 698
 699         case HostCmd_CMD_RF_REG_ACCESS:
 700                 r.rf = (struct host_cmd_ds_rf_reg_access *)
 701                        &resp->params.rf_reg;
 702                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
 703                 reg_rw->value = cpu_to_le32((u32) r.bbp->value);
 704                 break;
 705         case HostCmd_CMD_PMIC_REG_ACCESS:
 706                 r.pmic = (struct host_cmd_ds_pmic_reg_access *)
 707                          &resp->params.pmic_reg;
 708                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.pmic->offset));
 709                 reg_rw->value = cpu_to_le32((u32) r.pmic->value);
 710                 break;
 711         case HostCmd_CMD_CAU_REG_ACCESS:
 712                 r.rf = (struct host_cmd_ds_rf_reg_access *)
 713                        &resp->params.rf_reg;
 714                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
 715                 reg_rw->value = cpu_to_le32((u32) r.rf->value);
 716                 break;
 717         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 718                 r.eeprom = (struct host_cmd_ds_802_11_eeprom_access *)
 719                            &resp->params.eeprom;
 720                 pr_debug("info: EEPROM read len=%x\n", r.eeprom->byte_count);
 721                 if (le16_to_cpu(eeprom->byte_count) <
 722                     le16_to_cpu(r.eeprom->byte_count)) {
 723                         eeprom->byte_count = cpu_to_le16(0);
 724                         pr_debug("info: EEPROM read length is too big\n");
 725                         return -1;
 726                 }
 727                 eeprom->offset = r.eeprom->offset;
 728                 eeprom->byte_count = r.eeprom->byte_count;
 729                 if (le16_to_cpu(eeprom->byte_count) > 0)
 730                         memcpy(&eeprom->value, &r.eeprom->value,
 731                                le16_to_cpu(r.eeprom->byte_count));
 732
 733                 break;
 734         default:
 735                 return -1;
 736         }
 737         return 0;
 738 }
 739
 740 /*
 741  * This function handles the command response of get IBSS coalescing status.
 742  *
 743  * If the received BSSID is different than the current one, the current BSSID,
 744  * beacon interval, ATIM window and ERP information are updated, along with
 745  * changing the ad-hoc state accordingly.
 746  */
 747 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
 748                                               struct host_cmd_ds_command *resp)
 749 {
 750         struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
 751                                         &(resp->params.ibss_coalescing);
 752         u8 zero_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
 753
 754         if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
 755                 return 0;
 756
 757         dev_dbg(priv->adapter->dev,
 758                 "info: new BSSID %pM\n", ibss_coal_resp->bssid);
 759
 760         /* If rsp has NULL BSSID, Just return..... No Action */
 761         if (!memcmp(ibss_coal_resp->bssid, zero_mac, ETH_ALEN)) {
 762                 dev_warn(priv->adapter->dev, "new BSSID is NULL\n");
 763                 return 0;
 764         }
 765
 766         /* If BSSID is diff, modify current BSS parameters */
 767         if (memcmp(priv->curr_bss_params.bss_descriptor.mac_address,
 768                    ibss_coal_resp->bssid, ETH_ALEN)) {
 769                 /* BSSID */
 770                 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
 771                        ibss_coal_resp->bssid, ETH_ALEN);
 772
 773                 /* Beacon Interval */
 774                 priv->curr_bss_params.bss_descriptor.beacon_period
 775                         = le16_to_cpu(ibss_coal_resp->beacon_interval);
 776
 777                 /* ERP Information */
 778                 priv->curr_bss_params.bss_descriptor.erp_flags =
 779                         (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
 780
 781                 priv->adhoc_state = ADHOC_COALESCED;
 782         }
 783
 784         return 0;
 785 }
 786
 787 /*
 788  * This function handles the command responses.
 789  *
 790  * This is a generic function, which calls command specific
 791  * response handlers based on the command ID.
 792  */
 793 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
 794                                 struct host_cmd_ds_command *resp)
 795 {
 796         int ret = 0;
 797         struct mwifiex_adapter *adapter = priv->adapter;
 798         void *data_buf = adapter->curr_cmd->data_buf;
 799
 800         /* If the command is not successful, cleanup and return failure */
 801         if (resp->result != HostCmd_RESULT_OK) {
 802                 mwifiex_process_cmdresp_error(priv, resp);
 803                 return -1;
 804         }
 805         /* Command successful, handle response */
 806         switch (cmdresp_no) {
 807         case HostCmd_CMD_GET_HW_SPEC:
 808                 ret = mwifiex_ret_get_hw_spec(priv, resp);
 809                 break;
 810         case HostCmd_CMD_MAC_CONTROL:
 811                 break;
 812         case HostCmd_CMD_802_11_MAC_ADDRESS:
 813                 ret = mwifiex_ret_802_11_mac_address(priv, resp);
 814                 break;
 815         case HostCmd_CMD_MAC_MULTICAST_ADR:
 816                 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
 817                 break;
 818         case HostCmd_CMD_TX_RATE_CFG:
 819                 ret = mwifiex_ret_tx_rate_cfg(priv, resp, data_buf);
 820                 break;
 821         case HostCmd_CMD_802_11_SCAN:
 822                 ret = mwifiex_ret_802_11_scan(priv, resp);
 823                 adapter->curr_cmd->wait_q_enabled = false;
 824                 break;
 825         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
 826                 ret = mwifiex_ret_802_11_scan(priv, resp);
 827                 dev_dbg(adapter->dev,
 828                         "info: CMD_RESP: BG_SCAN result is ready!\n");
 829                 break;
 830         case HostCmd_CMD_TXPWR_CFG:
 831                 ret = mwifiex_ret_tx_power_cfg(priv, resp);
 832                 break;
 833         case HostCmd_CMD_802_11_PS_MODE_ENH:
 834                 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
 835                 break;
 836         case HostCmd_CMD_802_11_HS_CFG_ENH:
 837                 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
 838                 break;
 839         case HostCmd_CMD_802_11_ASSOCIATE:
 840                 ret = mwifiex_ret_802_11_associate(priv, resp);
 841                 break;
 842         case HostCmd_CMD_802_11_DEAUTHENTICATE:
 843                 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
 844                 break;
 845         case HostCmd_CMD_802_11_AD_HOC_START:
 846         case HostCmd_CMD_802_11_AD_HOC_JOIN:
 847                 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
 848                 break;
 849         case HostCmd_CMD_802_11_AD_HOC_STOP:
 850                 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
 851                 break;
 852         case HostCmd_CMD_802_11_GET_LOG:
 853                 ret = mwifiex_ret_get_log(priv, resp, data_buf);
 854                 break;
 855         case HostCmd_CMD_RSSI_INFO:
 856                 ret = mwifiex_ret_802_11_rssi_info(priv, resp, data_buf);
 857                 break;
 858         case HostCmd_CMD_802_11_SNMP_MIB:
 859                 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
 860                 break;
 861         case HostCmd_CMD_802_11_TX_RATE_QUERY:
 862                 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
 863                 break;
 864         case HostCmd_CMD_802_11_RF_CHANNEL:
 865                 ret = mwifiex_ret_802_11_rf_channel(priv, resp, data_buf);
 866                 break;
 867         case HostCmd_CMD_VERSION_EXT:
 868                 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
 869                 break;
 870         case HostCmd_CMD_FUNC_INIT:
 871         case HostCmd_CMD_FUNC_SHUTDOWN:
 872                 break;
 873         case HostCmd_CMD_802_11_KEY_MATERIAL:
 874                 ret = mwifiex_ret_802_11_key_material(priv, resp);
 875                 break;
 876         case HostCmd_CMD_802_11D_DOMAIN_INFO:
 877                 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
 878                 break;
 879         case HostCmd_CMD_11N_ADDBA_REQ:
 880                 ret = mwifiex_ret_11n_addba_req(priv, resp);
 881                 break;
 882         case HostCmd_CMD_11N_DELBA:
 883                 ret = mwifiex_ret_11n_delba(priv, resp);
 884                 break;
 885         case HostCmd_CMD_11N_ADDBA_RSP:
 886                 ret = mwifiex_ret_11n_addba_resp(priv, resp);
 887                 break;
 888         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
 889                 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
 890                                                              tx_buf.buff_size);
 891                 adapter->tx_buf_size = (adapter->tx_buf_size
 892                                         / MWIFIEX_SDIO_BLOCK_SIZE)
 893                                        * MWIFIEX_SDIO_BLOCK_SIZE;
 894                 adapter->curr_tx_buf_size = adapter->tx_buf_size;
 895                 dev_dbg(adapter->dev,
 896                         "cmd: max_tx_buf_size=%d, tx_buf_size=%d\n",
 897                         adapter->max_tx_buf_size, adapter->tx_buf_size);
 898
 899                 if (adapter->if_ops.update_mp_end_port)
 900                         adapter->if_ops.update_mp_end_port(adapter,
 901                                 le16_to_cpu(resp->params.tx_buf.mp_end_port));
 902                 break;
 903         case HostCmd_CMD_AMSDU_AGGR_CTRL:
 904                 ret = mwifiex_ret_amsdu_aggr_ctrl(resp, data_buf);
 905                 break;
 906         case HostCmd_CMD_WMM_GET_STATUS:
 907                 ret = mwifiex_ret_wmm_get_status(priv, resp);
 908                 break;
 909         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
 910                 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
 911                 break;
 912         case HostCmd_CMD_MAC_REG_ACCESS:
 913         case HostCmd_CMD_BBP_REG_ACCESS:
 914         case HostCmd_CMD_RF_REG_ACCESS:
 915         case HostCmd_CMD_PMIC_REG_ACCESS:
 916         case HostCmd_CMD_CAU_REG_ACCESS:
 917         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 918                 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
 919                 break;
 920         case HostCmd_CMD_SET_BSS_MODE:
 921                 break;
 922         case HostCmd_CMD_11N_CFG:
 923                 ret = mwifiex_ret_11n_cfg(resp, data_buf);
 924                 break;
 925         case HostCmd_CMD_PCIE_DESC_DETAILS:
 926                 break;
 927         default:
 928                 dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n",
 929                         resp->command);
 930                 break;
 931         }
 932
 933         return ret;
 934 }