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 #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 *)((u8 *)data_buf);
 342         pg = (struct mwifiex_power_group *)
 343                 ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
 344         length = le16_to_cpu(pg_tlv_hdr->length);
 345
 346         /* At least one structure required to update power */
 347         if (length < sizeof(struct mwifiex_power_group))
 348                 return 0;
 349
 350         max_power = pg->power_max;
 351         min_power = pg->power_min;
 352         length -= sizeof(struct mwifiex_power_group);
 353
 354         while (length >= sizeof(struct mwifiex_power_group)) {
 355                 pg++;
 356                 if (max_power < pg->power_max)
 357                         max_power = pg->power_max;
 358
 359                 if (min_power > pg->power_min)
 360                         min_power = pg->power_min;
 361
 362                 length -= sizeof(struct mwifiex_power_group);
 363         }
 364         priv->min_tx_power_level = (u8) min_power;
 365         priv->max_tx_power_level = (u8) max_power;
 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         u16 tlv_buf_left;
 386
 387         pg_tlv_hdr = (struct mwifiex_types_power_group *)
 388                 ((u8 *)txp_cfg +
 389                  sizeof(struct host_cmd_ds_txpwr_cfg));
 390
 391         pg = (struct mwifiex_power_group *)
 392                 ((u8 *)pg_tlv_hdr +
 393                  sizeof(struct mwifiex_types_power_group));
 394
 395         tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*txp_cfg);
 396         if (tlv_buf_left <
 397                         le16_to_cpu(pg_tlv_hdr->length) + sizeof(*pg_tlv_hdr))
 398                 return 0;
 399
 400         switch (action) {
 401         case HostCmd_ACT_GEN_GET:
 402                 if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
 403                         mwifiex_get_power_level(priv, pg_tlv_hdr);
 404
 405                 priv->tx_power_level = (u16) pg->power_min;
 406                 break;
 407
 408         case HostCmd_ACT_GEN_SET:
 409                 if (!le32_to_cpu(txp_cfg->mode))
 410                         break;
 411
 412                 if (pg->power_max == pg->power_min)
 413                         priv->tx_power_level = (u16) pg->power_min;
 414                 break;
 415         default:
 416                 dev_err(adapter->dev, "CMD_RESP: unknown cmd action %d\n",
 417                         action);
 418                 return 0;
 419         }
 420         dev_dbg(adapter->dev,
 421                 "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
 422                priv->tx_power_level, priv->max_tx_power_level,
 423                priv->min_tx_power_level);
 424
 425         return 0;
 426 }
 427
 428 /*
 429  * This function handles the command response of get RF Tx power.
 430  */
 431 static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv,
 432                                    struct host_cmd_ds_command *resp)
 433 {
 434         struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp;
 435         u16 action = le16_to_cpu(txp->action);
 436
 437         priv->tx_power_level = le16_to_cpu(txp->cur_level);
 438
 439         if (action == HostCmd_ACT_GEN_GET) {
 440                 priv->max_tx_power_level = txp->max_power;
 441                 priv->min_tx_power_level = txp->min_power;
 442         }
 443
 444         dev_dbg(priv->adapter->dev,
 445                 "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n",
 446                 priv->tx_power_level, priv->max_tx_power_level,
 447                 priv->min_tx_power_level);
 448
 449         return 0;
 450 }
 451
 452 /*
 453  * This function handles the command response of set rf antenna
 454  */
 455 static int mwifiex_ret_rf_antenna(struct mwifiex_private *priv,
 456                                   struct host_cmd_ds_command *resp)
 457 {
 458         struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo;
 459         struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso;
 460         struct mwifiex_adapter *adapter = priv->adapter;
 461
 462         if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
 463                 dev_dbg(adapter->dev,
 464                         "RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x"
 465                         " Rx action = 0x%x, Rx Mode = 0x%04x\n",
 466                         le16_to_cpu(ant_mimo->action_tx),
 467                         le16_to_cpu(ant_mimo->tx_ant_mode),
 468                         le16_to_cpu(ant_mimo->action_rx),
 469                         le16_to_cpu(ant_mimo->rx_ant_mode));
 470         else
 471                 dev_dbg(adapter->dev,
 472                         "RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n",
 473                         le16_to_cpu(ant_siso->action),
 474                         le16_to_cpu(ant_siso->ant_mode));
 475
 476         return 0;
 477 }
 478
 479 /*
 480  * This function handles the command response of set/get MAC address.
 481  *
 482  * Handling includes saving the MAC address in driver.
 483  */
 484 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
 485                                           struct host_cmd_ds_command *resp)
 486 {
 487         struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
 488                                                         &resp->params.mac_addr;
 489
 490         memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
 491
 492         dev_dbg(priv->adapter->dev,
 493                 "info: set mac address: %pM\n", priv->curr_addr);
 494
 495         return 0;
 496 }
 497
 498 /*
 499  * This function handles the command response of set/get MAC multicast
 500  * address.
 501  */
 502 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
 503                                          struct host_cmd_ds_command *resp)
 504 {
 505         return 0;
 506 }
 507
 508 /*
 509  * This function handles the command response of get Tx rate query.
 510  *
 511  * Handling includes changing the header fields into CPU format
 512  * and saving the Tx rate and HT information parameters in driver.
 513  *
 514  * Both rate configuration and current data rate can be retrieved
 515  * with this request.
 516  */
 517 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
 518                                             struct host_cmd_ds_command *resp)
 519 {
 520         priv->tx_rate = resp->params.tx_rate.tx_rate;
 521         priv->tx_htinfo = resp->params.tx_rate.ht_info;
 522         if (!priv->is_data_rate_auto)
 523                 priv->data_rate =
 524                         mwifiex_index_to_data_rate(priv, priv->tx_rate,
 525                                                    priv->tx_htinfo);
 526
 527         return 0;
 528 }
 529
 530 /*
 531  * This function handles the command response of a deauthenticate
 532  * command.
 533  *
 534  * If the deauthenticated MAC matches the current BSS MAC, the connection
 535  * state is reset.
 536  */
 537 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
 538                                              struct host_cmd_ds_command *resp)
 539 {
 540         struct mwifiex_adapter *adapter = priv->adapter;
 541
 542         adapter->dbg.num_cmd_deauth++;
 543         if (!memcmp(resp->params.deauth.mac_addr,
 544                     &priv->curr_bss_params.bss_descriptor.mac_address,
 545                     sizeof(resp->params.deauth.mac_addr)))
 546                 mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
 547
 548         return 0;
 549 }
 550
 551 /*
 552  * This function handles the command response of ad-hoc stop.
 553  *
 554  * The function resets the connection state in driver.
 555  */
 556 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
 557                                           struct host_cmd_ds_command *resp)
 558 {
 559         mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
 560         return 0;
 561 }
 562
 563 /*
 564  * This function handles the command response of set/get key material.
 565  *
 566  * Handling includes updating the driver parameters to reflect the
 567  * changes.
 568  */
 569 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
 570                                            struct host_cmd_ds_command *resp)
 571 {
 572         struct host_cmd_ds_802_11_key_material *key =
 573                                                 &resp->params.key_material;
 574
 575         if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
 576                 if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
 577                         dev_dbg(priv->adapter->dev, "info: key: GTK is set\n");
 578                         priv->wpa_is_gtk_set = true;
 579                         priv->scan_block = false;
 580                 }
 581         }
 582
 583         memset(priv->aes_key.key_param_set.key, 0,
 584                sizeof(key->key_param_set.key));
 585         priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
 586         memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
 587                le16_to_cpu(priv->aes_key.key_param_set.key_len));
 588
 589         return 0;
 590 }
 591
 592 /*
 593  * This function handles the command response of get 11d domain information.
 594  */
 595 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
 596                                            struct host_cmd_ds_command *resp)
 597 {
 598         struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
 599                 &resp->params.domain_info_resp;
 600         struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
 601         u16 action = le16_to_cpu(domain_info->action);
 602         u8 no_of_triplet;
 603
 604         no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
 605                                 - IEEE80211_COUNTRY_STRING_LEN)
 606                               / sizeof(struct ieee80211_country_ie_triplet));
 607
 608         dev_dbg(priv->adapter->dev,
 609                 "info: 11D Domain Info Resp: no_of_triplet=%d\n",
 610                 no_of_triplet);
 611
 612         if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
 613                 dev_warn(priv->adapter->dev,
 614                          "11D: invalid number of triplets %d returned\n",
 615                          no_of_triplet);
 616                 return -1;
 617         }
 618
 619         switch (action) {
 620         case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
 621                 break;
 622         case HostCmd_ACT_GEN_GET:
 623                 break;
 624         default:
 625                 dev_err(priv->adapter->dev,
 626                         "11D: invalid action:%d\n", domain_info->action);
 627                 return -1;
 628         }
 629
 630         return 0;
 631 }
 632
 633 /*
 634  * This function handles the command response of get extended version.
 635  *
 636  * Handling includes forming the extended version string and sending it
 637  * to application.
 638  */
 639 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
 640                                struct host_cmd_ds_command *resp,
 641                                struct host_cmd_ds_version_ext *version_ext)
 642 {
 643         struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
 644
 645         if (version_ext) {
 646                 version_ext->version_str_sel = ver_ext->version_str_sel;
 647                 memcpy(version_ext->version_str, ver_ext->version_str,
 648                        sizeof(char) * 128);
 649                 memcpy(priv->version_str, ver_ext->version_str, 128);
 650         }
 651         return 0;
 652 }
 653
 654 /*
 655  * This function handles the command response of remain on channel.
 656  */
 657 static int
 658 mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
 659                            struct host_cmd_ds_command *resp,
 660                            struct host_cmd_ds_remain_on_chan *roc_cfg)
 661 {
 662         struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
 663
 664         if (roc_cfg)
 665                 memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
 666
 667         return 0;
 668 }
 669
 670 /*
 671  * This function handles the command response of P2P mode cfg.
 672  */
 673 static int
 674 mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
 675                          struct host_cmd_ds_command *resp,
 676                          void *data_buf)
 677 {
 678         struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
 679
 680         if (data_buf)
 681                 *((u16 *)data_buf) = le16_to_cpu(mode_cfg->mode);
 682
 683         return 0;
 684 }
 685
 686 /*
 687  * This function handles the command response of register access.
 688  *
 689  * The register value and offset are returned to the user. For EEPROM
 690  * access, the byte count is also returned.
 691  */
 692 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
 693                                   void *data_buf)
 694 {
 695         struct mwifiex_ds_reg_rw *reg_rw;
 696         struct mwifiex_ds_read_eeprom *eeprom;
 697         union reg {
 698                 struct host_cmd_ds_mac_reg_access *mac;
 699                 struct host_cmd_ds_bbp_reg_access *bbp;
 700                 struct host_cmd_ds_rf_reg_access *rf;
 701                 struct host_cmd_ds_pmic_reg_access *pmic;
 702                 struct host_cmd_ds_802_11_eeprom_access *eeprom;
 703         } r;
 704
 705         if (!data_buf)
 706                 return 0;
 707
 708         reg_rw = data_buf;
 709         eeprom = data_buf;
 710         switch (type) {
 711         case HostCmd_CMD_MAC_REG_ACCESS:
 712                 r.mac = &resp->params.mac_reg;
 713                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.mac->offset));
 714                 reg_rw->value = r.mac->value;
 715                 break;
 716         case HostCmd_CMD_BBP_REG_ACCESS:
 717                 r.bbp = &resp->params.bbp_reg;
 718                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.bbp->offset));
 719                 reg_rw->value = cpu_to_le32((u32) r.bbp->value);
 720                 break;
 721
 722         case HostCmd_CMD_RF_REG_ACCESS:
 723                 r.rf = &resp->params.rf_reg;
 724                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
 725                 reg_rw->value = cpu_to_le32((u32) r.bbp->value);
 726                 break;
 727         case HostCmd_CMD_PMIC_REG_ACCESS:
 728                 r.pmic = &resp->params.pmic_reg;
 729                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.pmic->offset));
 730                 reg_rw->value = cpu_to_le32((u32) r.pmic->value);
 731                 break;
 732         case HostCmd_CMD_CAU_REG_ACCESS:
 733                 r.rf = &resp->params.rf_reg;
 734                 reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
 735                 reg_rw->value = cpu_to_le32((u32) r.rf->value);
 736                 break;
 737         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 738                 r.eeprom = &resp->params.eeprom;
 739                 pr_debug("info: EEPROM read len=%x\n", r.eeprom->byte_count);
 740                 if (le16_to_cpu(eeprom->byte_count) <
 741                     le16_to_cpu(r.eeprom->byte_count)) {
 742                         eeprom->byte_count = cpu_to_le16(0);
 743                         pr_debug("info: EEPROM read length is too big\n");
 744                         return -1;
 745                 }
 746                 eeprom->offset = r.eeprom->offset;
 747                 eeprom->byte_count = r.eeprom->byte_count;
 748                 if (le16_to_cpu(eeprom->byte_count) > 0)
 749                         memcpy(&eeprom->value, &r.eeprom->value,
 750                                le16_to_cpu(r.eeprom->byte_count));
 751
 752                 break;
 753         default:
 754                 return -1;
 755         }
 756         return 0;
 757 }
 758
 759 /*
 760  * This function handles the command response of get IBSS coalescing status.
 761  *
 762  * If the received BSSID is different than the current one, the current BSSID,
 763  * beacon interval, ATIM window and ERP information are updated, along with
 764  * changing the ad-hoc state accordingly.
 765  */
 766 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
 767                                               struct host_cmd_ds_command *resp)
 768 {
 769         struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
 770                                         &(resp->params.ibss_coalescing);
 771
 772         if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
 773                 return 0;
 774
 775         dev_dbg(priv->adapter->dev,
 776                 "info: new BSSID %pM\n", ibss_coal_resp->bssid);
 777
 778         /* If rsp has NULL BSSID, Just return..... No Action */
 779         if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
 780                 dev_warn(priv->adapter->dev, "new BSSID is NULL\n");
 781                 return 0;
 782         }
 783
 784         /* If BSSID is diff, modify current BSS parameters */
 785         if (!ether_addr_equal(priv->curr_bss_params.bss_descriptor.mac_address, ibss_coal_resp->bssid)) {
 786                 /* BSSID */
 787                 memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
 788                        ibss_coal_resp->bssid, ETH_ALEN);
 789
 790                 /* Beacon Interval */
 791                 priv->curr_bss_params.bss_descriptor.beacon_period
 792                         = le16_to_cpu(ibss_coal_resp->beacon_interval);
 793
 794                 /* ERP Information */
 795                 priv->curr_bss_params.bss_descriptor.erp_flags =
 796                         (u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
 797
 798                 priv->adhoc_state = ADHOC_COALESCED;
 799         }
 800
 801         return 0;
 802 }
 803
 804 /*
 805  * This function handles the command response for subscribe event command.
 806  */
 807 static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
 808                                  struct host_cmd_ds_command *resp)
 809 {
 810         struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
 811                 &resp->params.subsc_evt;
 812
 813         /* For every subscribe event command (Get/Set/Clear), FW reports the
 814          * current set of subscribed events*/
 815         dev_dbg(priv->adapter->dev, "Bitmap of currently subscribed events: %16x\n",
 816                 le16_to_cpu(cmd_sub_event->events));
 817
 818         return 0;
 819 }
 820
 821 /* This function handles the command response of set_cfg_data */
 822 static int mwifiex_ret_cfg_data(struct mwifiex_private *priv,
 823                                 struct host_cmd_ds_command *resp)
 824 {
 825         if (resp->result != HostCmd_RESULT_OK) {
 826                 dev_err(priv->adapter->dev, "Cal data cmd resp failed\n");
 827                 return -1;
 828         }
 829
 830         return 0;
 831 }
 832
 833 /*
 834  * This function handles the command responses.
 835  *
 836  * This is a generic function, which calls command specific
 837  * response handlers based on the command ID.
 838  */
 839 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
 840                                 struct host_cmd_ds_command *resp)
 841 {
 842         int ret = 0;
 843         struct mwifiex_adapter *adapter = priv->adapter;
 844         void *data_buf = adapter->curr_cmd->data_buf;
 845
 846         /* If the command is not successful, cleanup and return failure */
 847         if (resp->result != HostCmd_RESULT_OK) {
 848                 mwifiex_process_cmdresp_error(priv, resp);
 849                 return -1;
 850         }
 851         /* Command successful, handle response */
 852         switch (cmdresp_no) {
 853         case HostCmd_CMD_GET_HW_SPEC:
 854                 ret = mwifiex_ret_get_hw_spec(priv, resp);
 855                 break;
 856         case HostCmd_CMD_CFG_DATA:
 857                 ret = mwifiex_ret_cfg_data(priv, resp);
 858                 break;
 859         case HostCmd_CMD_MAC_CONTROL:
 860                 break;
 861         case HostCmd_CMD_802_11_MAC_ADDRESS:
 862                 ret = mwifiex_ret_802_11_mac_address(priv, resp);
 863                 break;
 864         case HostCmd_CMD_MAC_MULTICAST_ADR:
 865                 ret = mwifiex_ret_mac_multicast_adr(priv, resp);
 866                 break;
 867         case HostCmd_CMD_TX_RATE_CFG:
 868                 ret = mwifiex_ret_tx_rate_cfg(priv, resp);
 869                 break;
 870         case HostCmd_CMD_802_11_SCAN:
 871                 ret = mwifiex_ret_802_11_scan(priv, resp);
 872                 adapter->curr_cmd->wait_q_enabled = false;
 873                 break;
 874         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
 875                 ret = mwifiex_ret_802_11_scan(priv, resp);
 876                 dev_dbg(adapter->dev,
 877                         "info: CMD_RESP: BG_SCAN result is ready!\n");
 878                 break;
 879         case HostCmd_CMD_TXPWR_CFG:
 880                 ret = mwifiex_ret_tx_power_cfg(priv, resp);
 881                 break;
 882         case HostCmd_CMD_RF_TX_PWR:
 883                 ret = mwifiex_ret_rf_tx_power(priv, resp);
 884                 break;
 885         case HostCmd_CMD_RF_ANTENNA:
 886                 ret = mwifiex_ret_rf_antenna(priv, resp);
 887                 break;
 888         case HostCmd_CMD_802_11_PS_MODE_ENH:
 889                 ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
 890                 break;
 891         case HostCmd_CMD_802_11_HS_CFG_ENH:
 892                 ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
 893                 break;
 894         case HostCmd_CMD_802_11_ASSOCIATE:
 895                 ret = mwifiex_ret_802_11_associate(priv, resp);
 896                 break;
 897         case HostCmd_CMD_802_11_DEAUTHENTICATE:
 898                 ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
 899                 break;
 900         case HostCmd_CMD_802_11_AD_HOC_START:
 901         case HostCmd_CMD_802_11_AD_HOC_JOIN:
 902                 ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
 903                 break;
 904         case HostCmd_CMD_802_11_AD_HOC_STOP:
 905                 ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
 906                 break;
 907         case HostCmd_CMD_802_11_GET_LOG:
 908                 ret = mwifiex_ret_get_log(priv, resp, data_buf);
 909                 break;
 910         case HostCmd_CMD_RSSI_INFO:
 911                 ret = mwifiex_ret_802_11_rssi_info(priv, resp);
 912                 break;
 913         case HostCmd_CMD_802_11_SNMP_MIB:
 914                 ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
 915                 break;
 916         case HostCmd_CMD_802_11_TX_RATE_QUERY:
 917                 ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
 918                 break;
 919         case HostCmd_CMD_VERSION_EXT:
 920                 ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
 921                 break;
 922         case HostCmd_CMD_REMAIN_ON_CHAN:
 923                 ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
 924                 break;
 925         case HostCmd_CMD_11AC_CFG:
 926                 break;
 927         case HostCmd_CMD_P2P_MODE_CFG:
 928                 ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
 929                 break;
 930         case HostCmd_CMD_MGMT_FRAME_REG:
 931         case HostCmd_CMD_FUNC_INIT:
 932         case HostCmd_CMD_FUNC_SHUTDOWN:
 933                 break;
 934         case HostCmd_CMD_802_11_KEY_MATERIAL:
 935                 ret = mwifiex_ret_802_11_key_material(priv, resp);
 936                 break;
 937         case HostCmd_CMD_802_11D_DOMAIN_INFO:
 938                 ret = mwifiex_ret_802_11d_domain_info(priv, resp);
 939                 break;
 940         case HostCmd_CMD_11N_ADDBA_REQ:
 941                 ret = mwifiex_ret_11n_addba_req(priv, resp);
 942                 break;
 943         case HostCmd_CMD_11N_DELBA:
 944                 ret = mwifiex_ret_11n_delba(priv, resp);
 945                 break;
 946         case HostCmd_CMD_11N_ADDBA_RSP:
 947                 ret = mwifiex_ret_11n_addba_resp(priv, resp);
 948                 break;
 949         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
 950                 adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
 951                                                              tx_buf.buff_size);
 952                 adapter->tx_buf_size = (adapter->tx_buf_size
 953                                         / MWIFIEX_SDIO_BLOCK_SIZE)
 954                                        * MWIFIEX_SDIO_BLOCK_SIZE;
 955                 adapter->curr_tx_buf_size = adapter->tx_buf_size;
 956                 dev_dbg(adapter->dev, "cmd: curr_tx_buf_size=%d\n",
 957                         adapter->curr_tx_buf_size);
 958
 959                 if (adapter->if_ops.update_mp_end_port)
 960                         adapter->if_ops.update_mp_end_port(adapter,
 961                                 le16_to_cpu(resp->params.tx_buf.mp_end_port));
 962                 break;
 963         case HostCmd_CMD_AMSDU_AGGR_CTRL:
 964                 break;
 965         case HostCmd_CMD_WMM_GET_STATUS:
 966                 ret = mwifiex_ret_wmm_get_status(priv, resp);
 967                 break;
 968         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
 969                 ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
 970                 break;
 971         case HostCmd_CMD_MAC_REG_ACCESS:
 972         case HostCmd_CMD_BBP_REG_ACCESS:
 973         case HostCmd_CMD_RF_REG_ACCESS:
 974         case HostCmd_CMD_PMIC_REG_ACCESS:
 975         case HostCmd_CMD_CAU_REG_ACCESS:
 976         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 977                 ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
 978                 break;
 979         case HostCmd_CMD_SET_BSS_MODE:
 980                 break;
 981         case HostCmd_CMD_11N_CFG:
 982                 break;
 983         case HostCmd_CMD_PCIE_DESC_DETAILS:
 984                 break;
 985         case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
 986                 ret = mwifiex_ret_subsc_evt(priv, resp);
 987                 break;
 988         case HostCmd_CMD_UAP_SYS_CONFIG:
 989                 break;
 990         case HostCmd_CMD_UAP_BSS_START:
 991                 priv->bss_started = 1;
 992                 break;
 993         case HostCmd_CMD_UAP_BSS_STOP:
 994                 priv->bss_started = 0;
 995                 break;
 996         case HostCmd_CMD_UAP_STA_DEAUTH:
 997                 break;
 998         case HostCmd_CMD_MEF_CFG:
 999                 break;
1000         case HostCmd_CMD_COALESCE_CFG:
1001                 break;
1002         default:
1003                 dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n",
1004                         resp->command);
1005                 break;
1006         }
1007
1008         return ret;
1009 }