drivers/net/wireless/mwifiex/sta_cmd.c

   1 /*
   2  * Marvell Wireless LAN device driver: station command 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  * This function prepares command to set/get RSSI information.
  30  *
  31  * Preparation includes -
  32  *      - Setting command ID, action and proper size
  33  *      - Setting data/beacon average factors
  34  *      - Resetting SNR/NF/RSSI values in private structure
  35  *      - Ensuring correct endian-ness
  36  */
  37 static int
  38 mwifiex_cmd_802_11_rssi_info(struct mwifiex_private *priv,
  39                              struct host_cmd_ds_command *cmd, u16 cmd_action)
  40 {
  41         cmd->command = cpu_to_le16(HostCmd_CMD_RSSI_INFO);
  42         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rssi_info) +
  43                                 S_DS_GEN);
  44         cmd->params.rssi_info.action = cpu_to_le16(cmd_action);
  45         cmd->params.rssi_info.ndata = cpu_to_le16(priv->data_avg_factor);
  46         cmd->params.rssi_info.nbcn = cpu_to_le16(priv->bcn_avg_factor);
  47
  48         /* Reset SNR/NF/RSSI values in private structure */
  49         priv->data_rssi_last = 0;
  50         priv->data_nf_last = 0;
  51         priv->data_rssi_avg = 0;
  52         priv->data_nf_avg = 0;
  53         priv->bcn_rssi_last = 0;
  54         priv->bcn_nf_last = 0;
  55         priv->bcn_rssi_avg = 0;
  56         priv->bcn_nf_avg = 0;
  57
  58         return 0;
  59 }
  60
  61 /*
  62  * This function prepares command to set MAC control.
  63  *
  64  * Preparation includes -
  65  *      - Setting command ID, action and proper size
  66  *      - Ensuring correct endian-ness
  67  */
  68 static int mwifiex_cmd_mac_control(struct mwifiex_private *priv,
  69                                    struct host_cmd_ds_command *cmd,
  70                                    u16 cmd_action, u16 *action)
  71 {
  72         struct host_cmd_ds_mac_control *mac_ctrl = &cmd->params.mac_ctrl;
  73
  74         if (cmd_action != HostCmd_ACT_GEN_SET) {
  75                 dev_err(priv->adapter->dev,
  76                         "mac_control: only support set cmd\n");
  77                 return -1;
  78         }
  79
  80         cmd->command = cpu_to_le16(HostCmd_CMD_MAC_CONTROL);
  81         cmd->size =
  82                 cpu_to_le16(sizeof(struct host_cmd_ds_mac_control) + S_DS_GEN);
  83         mac_ctrl->action = cpu_to_le16(*action);
  84
  85         return 0;
  86 }
  87
  88 /*
  89  * This function prepares command to set/get SNMP MIB.
  90  *
  91  * Preparation includes -
  92  *      - Setting command ID, action and proper size
  93  *      - Setting SNMP MIB OID number and value
  94  *        (as required)
  95  *      - Ensuring correct endian-ness
  96  *
  97  * The following SNMP MIB OIDs are supported -
  98  *      - FRAG_THRESH_I     : Fragmentation threshold
  99  *      - RTS_THRESH_I      : RTS threshold
 100  *      - SHORT_RETRY_LIM_I : Short retry limit
 101  *      - DOT11D_I          : 11d support
 102  */
 103 static int mwifiex_cmd_802_11_snmp_mib(struct mwifiex_private *priv,
 104                                        struct host_cmd_ds_command *cmd,
 105                                        u16 cmd_action, u32 cmd_oid,
 106                                        u16 *ul_temp)
 107 {
 108         struct host_cmd_ds_802_11_snmp_mib *snmp_mib = &cmd->params.smib;
 109
 110         dev_dbg(priv->adapter->dev, "cmd: SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 111         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SNMP_MIB);
 112         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_snmp_mib)
 113                                 - 1 + S_DS_GEN);
 114
 115         snmp_mib->oid = cpu_to_le16((u16)cmd_oid);
 116         if (cmd_action == HostCmd_ACT_GEN_GET) {
 117                 snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_GET);
 118                 snmp_mib->buf_size = cpu_to_le16(MAX_SNMP_BUF_SIZE);
 119                 le16_add_cpu(&cmd->size, MAX_SNMP_BUF_SIZE);
 120         } else if (cmd_action == HostCmd_ACT_GEN_SET) {
 121                 snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_SET);
 122                 snmp_mib->buf_size = cpu_to_le16(sizeof(u16));
 123                 *((__le16 *) (snmp_mib->value)) = cpu_to_le16(*ul_temp);
 124                 le16_add_cpu(&cmd->size, sizeof(u16));
 125         }
 126
 127         dev_dbg(priv->adapter->dev,
 128                 "cmd: SNMP_CMD: Action=0x%x, OID=0x%x, OIDSize=0x%x,"
 129                 " Value=0x%x\n",
 130                 cmd_action, cmd_oid, le16_to_cpu(snmp_mib->buf_size),
 131                 le16_to_cpu(*(__le16 *) snmp_mib->value));
 132         return 0;
 133 }
 134
 135 /*
 136  * This function prepares command to get log.
 137  *
 138  * Preparation includes -
 139  *      - Setting command ID and proper size
 140  *      - Ensuring correct endian-ness
 141  */
 142 static int
 143 mwifiex_cmd_802_11_get_log(struct host_cmd_ds_command *cmd)
 144 {
 145         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_GET_LOG);
 146         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_get_log) +
 147                                 S_DS_GEN);
 148         return 0;
 149 }
 150
 151 /*
 152  * This function prepares command to set/get Tx data rate configuration.
 153  *
 154  * Preparation includes -
 155  *      - Setting command ID, action and proper size
 156  *      - Setting configuration index, rate scope and rate drop pattern
 157  *        parameters (as required)
 158  *      - Ensuring correct endian-ness
 159  */
 160 static int mwifiex_cmd_tx_rate_cfg(struct mwifiex_private *priv,
 161                                    struct host_cmd_ds_command *cmd,
 162                                    u16 cmd_action, u16 *pbitmap_rates)
 163 {
 164         struct host_cmd_ds_tx_rate_cfg *rate_cfg = &cmd->params.tx_rate_cfg;
 165         struct mwifiex_rate_scope *rate_scope;
 166         struct mwifiex_rate_drop_pattern *rate_drop;
 167         u32 i;
 168
 169         cmd->command = cpu_to_le16(HostCmd_CMD_TX_RATE_CFG);
 170
 171         rate_cfg->action = cpu_to_le16(cmd_action);
 172         rate_cfg->cfg_index = 0;
 173
 174         rate_scope = (struct mwifiex_rate_scope *) ((u8 *) rate_cfg +
 175                       sizeof(struct host_cmd_ds_tx_rate_cfg));
 176         rate_scope->type = cpu_to_le16(TLV_TYPE_RATE_SCOPE);
 177         rate_scope->length = cpu_to_le16
 178                 (sizeof(*rate_scope) - sizeof(struct mwifiex_ie_types_header));
 179         if (pbitmap_rates != NULL) {
 180                 rate_scope->hr_dsss_rate_bitmap = cpu_to_le16(pbitmap_rates[0]);
 181                 rate_scope->ofdm_rate_bitmap = cpu_to_le16(pbitmap_rates[1]);
 182                 for (i = 0;
 183                      i < sizeof(rate_scope->ht_mcs_rate_bitmap) / sizeof(u16);
 184                      i++)
 185                         rate_scope->ht_mcs_rate_bitmap[i] =
 186                                 cpu_to_le16(pbitmap_rates[2 + i]);
 187         } else {
 188                 rate_scope->hr_dsss_rate_bitmap =
 189                         cpu_to_le16(priv->bitmap_rates[0]);
 190                 rate_scope->ofdm_rate_bitmap =
 191                         cpu_to_le16(priv->bitmap_rates[1]);
 192                 for (i = 0;
 193                      i < sizeof(rate_scope->ht_mcs_rate_bitmap) / sizeof(u16);
 194                      i++)
 195                         rate_scope->ht_mcs_rate_bitmap[i] =
 196                                 cpu_to_le16(priv->bitmap_rates[2 + i]);
 197         }
 198
 199         rate_drop = (struct mwifiex_rate_drop_pattern *) ((u8 *) rate_scope +
 200                                              sizeof(struct mwifiex_rate_scope));
 201         rate_drop->type = cpu_to_le16(TLV_TYPE_RATE_DROP_CONTROL);
 202         rate_drop->length = cpu_to_le16(sizeof(rate_drop->rate_drop_mode));
 203         rate_drop->rate_drop_mode = 0;
 204
 205         cmd->size =
 206                 cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_tx_rate_cfg) +
 207                             sizeof(struct mwifiex_rate_scope) +
 208                             sizeof(struct mwifiex_rate_drop_pattern));
 209
 210         return 0;
 211 }
 212
 213 /*
 214  * This function prepares command to set/get Tx power configuration.
 215  *
 216  * Preparation includes -
 217  *      - Setting command ID, action and proper size
 218  *      - Setting Tx power mode, power group TLV
 219  *        (as required)
 220  *      - Ensuring correct endian-ness
 221  */
 222 static int mwifiex_cmd_tx_power_cfg(struct host_cmd_ds_command *cmd,
 223                                     u16 cmd_action,
 224                                     struct host_cmd_ds_txpwr_cfg *txp)
 225 {
 226         struct mwifiex_types_power_group *pg_tlv;
 227         struct host_cmd_ds_txpwr_cfg *cmd_txp_cfg = &cmd->params.txp_cfg;
 228
 229         cmd->command = cpu_to_le16(HostCmd_CMD_TXPWR_CFG);
 230         cmd->size =
 231                 cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_txpwr_cfg));
 232         switch (cmd_action) {
 233         case HostCmd_ACT_GEN_SET:
 234                 if (txp->mode) {
 235                         pg_tlv = (struct mwifiex_types_power_group
 236                                   *) ((unsigned long) txp +
 237                                      sizeof(struct host_cmd_ds_txpwr_cfg));
 238                         memmove(cmd_txp_cfg, txp,
 239                                 sizeof(struct host_cmd_ds_txpwr_cfg) +
 240                                 sizeof(struct mwifiex_types_power_group) +
 241                                 pg_tlv->length);
 242
 243                         pg_tlv = (struct mwifiex_types_power_group *) ((u8 *)
 244                                   cmd_txp_cfg +
 245                                   sizeof(struct host_cmd_ds_txpwr_cfg));
 246                         cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) +
 247                                   sizeof(struct mwifiex_types_power_group) +
 248                                   pg_tlv->length);
 249                 } else {
 250                         memmove(cmd_txp_cfg, txp, sizeof(*txp));
 251                 }
 252                 cmd_txp_cfg->action = cpu_to_le16(cmd_action);
 253                 break;
 254         case HostCmd_ACT_GEN_GET:
 255                 cmd_txp_cfg->action = cpu_to_le16(cmd_action);
 256                 break;
 257         }
 258
 259         return 0;
 260 }
 261
 262 /*
 263  * This function prepares command to get RF Tx power.
 264  */
 265 static int mwifiex_cmd_rf_tx_power(struct mwifiex_private *priv,
 266                                    struct host_cmd_ds_command *cmd,
 267                                    u16 cmd_action, void *data_buf)
 268 {
 269         struct host_cmd_ds_rf_tx_pwr *txp = &cmd->params.txp;
 270
 271         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_tx_pwr)
 272                                 + S_DS_GEN);
 273         cmd->command = cpu_to_le16(HostCmd_CMD_RF_TX_PWR);
 274         txp->action = cpu_to_le16(cmd_action);
 275
 276         return 0;
 277 }
 278
 279 /*
 280  * This function prepares command to set rf antenna.
 281  */
 282 static int mwifiex_cmd_rf_antenna(struct mwifiex_private *priv,
 283                                   struct host_cmd_ds_command *cmd,
 284                                   u16 cmd_action,
 285                                   struct mwifiex_ds_ant_cfg *ant_cfg)
 286 {
 287         struct host_cmd_ds_rf_ant_mimo *ant_mimo = &cmd->params.ant_mimo;
 288         struct host_cmd_ds_rf_ant_siso *ant_siso = &cmd->params.ant_siso;
 289
 290         cmd->command = cpu_to_le16(HostCmd_CMD_RF_ANTENNA);
 291
 292         if (cmd_action != HostCmd_ACT_GEN_SET)
 293                 return 0;
 294
 295         if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
 296                 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_ant_mimo) +
 297                                         S_DS_GEN);
 298                 ant_mimo->action_tx = cpu_to_le16(HostCmd_ACT_SET_TX);
 299                 ant_mimo->tx_ant_mode = cpu_to_le16((u16)ant_cfg->tx_ant);
 300                 ant_mimo->action_rx = cpu_to_le16(HostCmd_ACT_SET_RX);
 301                 ant_mimo->rx_ant_mode = cpu_to_le16((u16)ant_cfg->rx_ant);
 302         } else {
 303                 cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_ant_siso) +
 304                                         S_DS_GEN);
 305                 ant_siso->action = cpu_to_le16(HostCmd_ACT_SET_BOTH);
 306                 ant_siso->ant_mode = cpu_to_le16((u16)ant_cfg->tx_ant);
 307         }
 308
 309         return 0;
 310 }
 311
 312 /*
 313  * This function prepares command to set Host Sleep configuration.
 314  *
 315  * Preparation includes -
 316  *      - Setting command ID and proper size
 317  *      - Setting Host Sleep action, conditions, ARP filters
 318  *        (as required)
 319  *      - Ensuring correct endian-ness
 320  */
 321 static int
 322 mwifiex_cmd_802_11_hs_cfg(struct mwifiex_private *priv,
 323                           struct host_cmd_ds_command *cmd,
 324                           u16 cmd_action,
 325                           struct mwifiex_hs_config_param *hscfg_param)
 326 {
 327         struct mwifiex_adapter *adapter = priv->adapter;
 328         struct host_cmd_ds_802_11_hs_cfg_enh *hs_cfg = &cmd->params.opt_hs_cfg;
 329         u16 hs_activate = false;
 330
 331         if (!hscfg_param)
 332                 /* New Activate command */
 333                 hs_activate = true;
 334         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH);
 335
 336         if (!hs_activate &&
 337             (hscfg_param->conditions != cpu_to_le32(HOST_SLEEP_CFG_CANCEL)) &&
 338             ((adapter->arp_filter_size > 0) &&
 339              (adapter->arp_filter_size <= ARP_FILTER_MAX_BUF_SIZE))) {
 340                 dev_dbg(adapter->dev,
 341                         "cmd: Attach %d bytes ArpFilter to HSCfg cmd\n",
 342                         adapter->arp_filter_size);
 343                 memcpy(((u8 *) hs_cfg) +
 344                        sizeof(struct host_cmd_ds_802_11_hs_cfg_enh),
 345                        adapter->arp_filter, adapter->arp_filter_size);
 346                 cmd->size = cpu_to_le16
 347                                 (adapter->arp_filter_size +
 348                                  sizeof(struct host_cmd_ds_802_11_hs_cfg_enh)
 349                                 + S_DS_GEN);
 350         } else {
 351                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof(struct
 352                                                 host_cmd_ds_802_11_hs_cfg_enh));
 353         }
 354         if (hs_activate) {
 355                 hs_cfg->action = cpu_to_le16(HS_ACTIVATE);
 356                 hs_cfg->params.hs_activate.resp_ctrl = RESP_NEEDED;
 357         } else {
 358                 hs_cfg->action = cpu_to_le16(HS_CONFIGURE);
 359                 hs_cfg->params.hs_config.conditions = hscfg_param->conditions;
 360                 hs_cfg->params.hs_config.gpio = hscfg_param->gpio;
 361                 hs_cfg->params.hs_config.gap = hscfg_param->gap;
 362                 dev_dbg(adapter->dev,
 363                         "cmd: HS_CFG_CMD: condition:0x%x gpio:0x%x gap:0x%x\n",
 364                        hs_cfg->params.hs_config.conditions,
 365                        hs_cfg->params.hs_config.gpio,
 366                        hs_cfg->params.hs_config.gap);
 367         }
 368
 369         return 0;
 370 }
 371
 372 /*
 373  * This function prepares command to set/get MAC address.
 374  *
 375  * Preparation includes -
 376  *      - Setting command ID, action and proper size
 377  *      - Setting MAC address (for SET only)
 378  *      - Ensuring correct endian-ness
 379  */
 380 static int mwifiex_cmd_802_11_mac_address(struct mwifiex_private *priv,
 381                                           struct host_cmd_ds_command *cmd,
 382                                           u16 cmd_action)
 383 {
 384         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_MAC_ADDRESS);
 385         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_mac_address) +
 386                                 S_DS_GEN);
 387         cmd->result = 0;
 388
 389         cmd->params.mac_addr.action = cpu_to_le16(cmd_action);
 390
 391         if (cmd_action == HostCmd_ACT_GEN_SET)
 392                 memcpy(cmd->params.mac_addr.mac_addr, priv->curr_addr,
 393                        ETH_ALEN);
 394         return 0;
 395 }
 396
 397 /*
 398  * This function prepares command to set MAC multicast address.
 399  *
 400  * Preparation includes -
 401  *      - Setting command ID, action and proper size
 402  *      - Setting MAC multicast address
 403  *      - Ensuring correct endian-ness
 404  */
 405 static int
 406 mwifiex_cmd_mac_multicast_adr(struct host_cmd_ds_command *cmd,
 407                               u16 cmd_action,
 408                               struct mwifiex_multicast_list *mcast_list)
 409 {
 410         struct host_cmd_ds_mac_multicast_adr *mcast_addr = &cmd->params.mc_addr;
 411
 412         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mac_multicast_adr) +
 413                                 S_DS_GEN);
 414         cmd->command = cpu_to_le16(HostCmd_CMD_MAC_MULTICAST_ADR);
 415
 416         mcast_addr->action = cpu_to_le16(cmd_action);
 417         mcast_addr->num_of_adrs =
 418                 cpu_to_le16((u16) mcast_list->num_multicast_addr);
 419         memcpy(mcast_addr->mac_list, mcast_list->mac_list,
 420                mcast_list->num_multicast_addr * ETH_ALEN);
 421
 422         return 0;
 423 }
 424
 425 /*
 426  * This function prepares command to deauthenticate.
 427  *
 428  * Preparation includes -
 429  *      - Setting command ID and proper size
 430  *      - Setting AP MAC address and reason code
 431  *      - Ensuring correct endian-ness
 432  */
 433 static int mwifiex_cmd_802_11_deauthenticate(struct mwifiex_private *priv,
 434                                              struct host_cmd_ds_command *cmd,
 435                                              u8 *mac)
 436 {
 437         struct host_cmd_ds_802_11_deauthenticate *deauth = &cmd->params.deauth;
 438
 439         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_DEAUTHENTICATE);
 440         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_deauthenticate)
 441                                 + S_DS_GEN);
 442
 443         /* Set AP MAC address */
 444         memcpy(deauth->mac_addr, mac, ETH_ALEN);
 445
 446         dev_dbg(priv->adapter->dev, "cmd: Deauth: %pM\n", deauth->mac_addr);
 447
 448         deauth->reason_code = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
 449
 450         return 0;
 451 }
 452
 453 /*
 454  * This function prepares command to stop Ad-Hoc network.
 455  *
 456  * Preparation includes -
 457  *      - Setting command ID and proper size
 458  *      - Ensuring correct endian-ness
 459  */
 460 static int mwifiex_cmd_802_11_ad_hoc_stop(struct host_cmd_ds_command *cmd)
 461 {
 462         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_STOP);
 463         cmd->size = cpu_to_le16(S_DS_GEN);
 464         return 0;
 465 }
 466
 467 /*
 468  * This function sets WEP key(s) to key parameter TLV(s).
 469  *
 470  * Multi-key parameter TLVs are supported, so we can send multiple
 471  * WEP keys in a single buffer.
 472  */
 473 static int
 474 mwifiex_set_keyparamset_wep(struct mwifiex_private *priv,
 475                             struct mwifiex_ie_type_key_param_set *key_param_set,
 476                             u16 *key_param_len)
 477 {
 478         int cur_key_param_len;
 479         u8 i;
 480
 481         /* Multi-key_param_set TLV is supported */
 482         for (i = 0; i < NUM_WEP_KEYS; i++) {
 483                 if ((priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP40) ||
 484                     (priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP104)) {
 485                         key_param_set->type =
 486                                 cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 487 /* Key_param_set WEP fixed length */
 488 #define KEYPARAMSET_WEP_FIXED_LEN 8
 489                         key_param_set->length = cpu_to_le16((u16)
 490                                         (priv->wep_key[i].
 491                                          key_length +
 492                                          KEYPARAMSET_WEP_FIXED_LEN));
 493                         key_param_set->key_type_id =
 494                                 cpu_to_le16(KEY_TYPE_ID_WEP);
 495                         key_param_set->key_info =
 496                                 cpu_to_le16(KEY_ENABLED | KEY_UNICAST |
 497                                             KEY_MCAST);
 498                         key_param_set->key_len =
 499                                 cpu_to_le16(priv->wep_key[i].key_length);
 500                         /* Set WEP key index */
 501                         key_param_set->key[0] = i;
 502                         /* Set default Tx key flag */
 503                         if (i ==
 504                             (priv->
 505                              wep_key_curr_index & HostCmd_WEP_KEY_INDEX_MASK))
 506                                 key_param_set->key[1] = 1;
 507                         else
 508                                 key_param_set->key[1] = 0;
 509                         memmove(&key_param_set->key[2],
 510                                 priv->wep_key[i].key_material,
 511                                 priv->wep_key[i].key_length);
 512
 513                         cur_key_param_len = priv->wep_key[i].key_length +
 514                                 KEYPARAMSET_WEP_FIXED_LEN +
 515                                 sizeof(struct mwifiex_ie_types_header);
 516                         *key_param_len += (u16) cur_key_param_len;
 517                         key_param_set =
 518                                 (struct mwifiex_ie_type_key_param_set *)
 519                                                 ((u8 *)key_param_set +
 520                                                  cur_key_param_len);
 521                 } else if (!priv->wep_key[i].key_length) {
 522                         continue;
 523                 } else {
 524                         dev_err(priv->adapter->dev,
 525                                 "key%d Length = %d is incorrect\n",
 526                                (i + 1), priv->wep_key[i].key_length);
 527                         return -1;
 528                 }
 529         }
 530
 531         return 0;
 532 }
 533
 534 /*
 535  * This function prepares command to set/get/reset network key(s).
 536  *
 537  * Preparation includes -
 538  *      - Setting command ID, action and proper size
 539  *      - Setting WEP keys, WAPI keys or WPA keys along with required
 540  *        encryption (TKIP, AES) (as required)
 541  *      - Ensuring correct endian-ness
 542  */
 543 static int
 544 mwifiex_cmd_802_11_key_material(struct mwifiex_private *priv,
 545                                 struct host_cmd_ds_command *cmd,
 546                                 u16 cmd_action, u32 cmd_oid,
 547                                 struct mwifiex_ds_encrypt_key *enc_key)
 548 {
 549         struct host_cmd_ds_802_11_key_material *key_material =
 550                 &cmd->params.key_material;
 551         struct host_cmd_tlv_mac_addr *tlv_mac;
 552         u16 key_param_len = 0, cmd_size;
 553         int ret = 0;
 554
 555         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_KEY_MATERIAL);
 556         key_material->action = cpu_to_le16(cmd_action);
 557
 558         if (cmd_action == HostCmd_ACT_GEN_GET) {
 559                 cmd->size =
 560                         cpu_to_le16(sizeof(key_material->action) + S_DS_GEN);
 561                 return ret;
 562         }
 563
 564         if (!enc_key) {
 565                 memset(&key_material->key_param_set, 0,
 566                        (NUM_WEP_KEYS *
 567                         sizeof(struct mwifiex_ie_type_key_param_set)));
 568                 ret = mwifiex_set_keyparamset_wep(priv,
 569                                                   &key_material->key_param_set,
 570                                                   &key_param_len);
 571                 cmd->size = cpu_to_le16(key_param_len +
 572                                     sizeof(key_material->action) + S_DS_GEN);
 573                 return ret;
 574         } else
 575                 memset(&key_material->key_param_set, 0,
 576                        sizeof(struct mwifiex_ie_type_key_param_set));
 577         if (enc_key->is_wapi_key) {
 578                 dev_dbg(priv->adapter->dev, "info: Set WAPI Key\n");
 579                 key_material->key_param_set.key_type_id =
 580                                                 cpu_to_le16(KEY_TYPE_ID_WAPI);
 581                 if (cmd_oid == KEY_INFO_ENABLED)
 582                         key_material->key_param_set.key_info =
 583                                                 cpu_to_le16(KEY_ENABLED);
 584                 else
 585                         key_material->key_param_set.key_info =
 586                                                 cpu_to_le16(!KEY_ENABLED);
 587
 588                 key_material->key_param_set.key[0] = enc_key->key_index;
 589                 if (!priv->sec_info.wapi_key_on)
 590                         key_material->key_param_set.key[1] = 1;
 591                 else
 592                         /* set 0 when re-key */
 593                         key_material->key_param_set.key[1] = 0;
 594
 595                 if (!is_broadcast_ether_addr(enc_key->mac_addr)) {
 596                         /* WAPI pairwise key: unicast */
 597                         key_material->key_param_set.key_info |=
 598                                 cpu_to_le16(KEY_UNICAST);
 599                 } else {        /* WAPI group key: multicast */
 600                         key_material->key_param_set.key_info |=
 601                                 cpu_to_le16(KEY_MCAST);
 602                         priv->sec_info.wapi_key_on = true;
 603                 }
 604
 605                 key_material->key_param_set.type =
 606                                         cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 607                 key_material->key_param_set.key_len =
 608                                                 cpu_to_le16(WAPI_KEY_LEN);
 609                 memcpy(&key_material->key_param_set.key[2],
 610                        enc_key->key_material, enc_key->key_len);
 611                 memcpy(&key_material->key_param_set.key[2 + enc_key->key_len],
 612                        enc_key->pn, PN_LEN);
 613                 key_material->key_param_set.length =
 614                         cpu_to_le16(WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN);
 615
 616                 key_param_len = (WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN) +
 617                                  sizeof(struct mwifiex_ie_types_header);
 618                 cmd->size = cpu_to_le16(sizeof(key_material->action)
 619                                         + S_DS_GEN +  key_param_len);
 620                 return ret;
 621         }
 622         if (enc_key->key_len == WLAN_KEY_LEN_CCMP) {
 623                 if (enc_key->is_igtk_key) {
 624                         dev_dbg(priv->adapter->dev, "cmd: CMAC_AES\n");
 625                         key_material->key_param_set.key_type_id =
 626                                         cpu_to_le16(KEY_TYPE_ID_AES_CMAC);
 627                         if (cmd_oid == KEY_INFO_ENABLED)
 628                                 key_material->key_param_set.key_info =
 629                                                 cpu_to_le16(KEY_ENABLED);
 630                         else
 631                                 key_material->key_param_set.key_info =
 632                                                 cpu_to_le16(!KEY_ENABLED);
 633
 634                         key_material->key_param_set.key_info |=
 635                                                         cpu_to_le16(KEY_IGTK);
 636                 } else {
 637                         dev_dbg(priv->adapter->dev, "cmd: WPA_AES\n");
 638                         key_material->key_param_set.key_type_id =
 639                                                 cpu_to_le16(KEY_TYPE_ID_AES);
 640                         if (cmd_oid == KEY_INFO_ENABLED)
 641                                 key_material->key_param_set.key_info =
 642                                                 cpu_to_le16(KEY_ENABLED);
 643                         else
 644                                 key_material->key_param_set.key_info =
 645                                                 cpu_to_le16(!KEY_ENABLED);
 646
 647                         if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
 648                                 /* AES pairwise key: unicast */
 649                                 key_material->key_param_set.key_info |=
 650                                                 cpu_to_le16(KEY_UNICAST);
 651                         else    /* AES group key: multicast */
 652                                 key_material->key_param_set.key_info |=
 653                                                         cpu_to_le16(KEY_MCAST);
 654                 }
 655         } else if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
 656                 dev_dbg(priv->adapter->dev, "cmd: WPA_TKIP\n");
 657                 key_material->key_param_set.key_type_id =
 658                                                 cpu_to_le16(KEY_TYPE_ID_TKIP);
 659                 key_material->key_param_set.key_info =
 660                                                 cpu_to_le16(KEY_ENABLED);
 661
 662                 if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
 663                                 /* TKIP pairwise key: unicast */
 664                         key_material->key_param_set.key_info |=
 665                                                 cpu_to_le16(KEY_UNICAST);
 666                 else            /* TKIP group key: multicast */
 667                         key_material->key_param_set.key_info |=
 668                                                         cpu_to_le16(KEY_MCAST);
 669         }
 670
 671         if (key_material->key_param_set.key_type_id) {
 672                 key_material->key_param_set.type =
 673                                         cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 674                 key_material->key_param_set.key_len =
 675                                         cpu_to_le16((u16) enc_key->key_len);
 676                 memcpy(key_material->key_param_set.key, enc_key->key_material,
 677                        enc_key->key_len);
 678                 key_material->key_param_set.length =
 679                         cpu_to_le16((u16) enc_key->key_len +
 680                                     KEYPARAMSET_FIXED_LEN);
 681
 682                 key_param_len = (u16)(enc_key->key_len + KEYPARAMSET_FIXED_LEN)
 683                                 + sizeof(struct mwifiex_ie_types_header);
 684
 685                 if (le16_to_cpu(key_material->key_param_set.key_type_id) ==
 686                                                         KEY_TYPE_ID_AES_CMAC) {
 687                         struct mwifiex_cmac_param *param =
 688                                         (void *)key_material->key_param_set.key;
 689
 690                         memcpy(param->ipn, enc_key->pn, IGTK_PN_LEN);
 691                         memcpy(param->key, enc_key->key_material,
 692                                WLAN_KEY_LEN_AES_CMAC);
 693
 694                         key_param_len = sizeof(struct mwifiex_cmac_param);
 695                         key_material->key_param_set.key_len =
 696                                                 cpu_to_le16(key_param_len);
 697                         key_param_len += KEYPARAMSET_FIXED_LEN;
 698                         key_material->key_param_set.length =
 699                                                 cpu_to_le16(key_param_len);
 700                         key_param_len += sizeof(struct mwifiex_ie_types_header);
 701                 }
 702
 703                 cmd->size = cpu_to_le16(sizeof(key_material->action) + S_DS_GEN
 704                                         + key_param_len);
 705
 706                 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
 707                         tlv_mac = (void *)((u8 *)&key_material->key_param_set +
 708                                            key_param_len);
 709                         tlv_mac->tlv.type = cpu_to_le16(TLV_TYPE_STA_MAC_ADDR);
 710                         tlv_mac->tlv.len = cpu_to_le16(ETH_ALEN);
 711                         memcpy(tlv_mac->mac_addr, enc_key->mac_addr, ETH_ALEN);
 712                         cmd_size = key_param_len + S_DS_GEN +
 713                                    sizeof(key_material->action) +
 714                                    sizeof(struct host_cmd_tlv_mac_addr);
 715                 } else {
 716                         cmd_size = key_param_len + S_DS_GEN +
 717                                    sizeof(key_material->action);
 718                 }
 719                 cmd->size = cpu_to_le16(cmd_size);
 720         }
 721
 722         return ret;
 723 }
 724
 725 /*
 726  * This function prepares command to set/get 11d domain information.
 727  *
 728  * Preparation includes -
 729  *      - Setting command ID, action and proper size
 730  *      - Setting domain information fields (for SET only)
 731  *      - Ensuring correct endian-ness
 732  */
 733 static int mwifiex_cmd_802_11d_domain_info(struct mwifiex_private *priv,
 734                                            struct host_cmd_ds_command *cmd,
 735                                            u16 cmd_action)
 736 {
 737         struct mwifiex_adapter *adapter = priv->adapter;
 738         struct host_cmd_ds_802_11d_domain_info *domain_info =
 739                 &cmd->params.domain_info;
 740         struct mwifiex_ietypes_domain_param_set *domain =
 741                 &domain_info->domain;
 742         u8 no_of_triplet = adapter->domain_reg.no_of_triplet;
 743
 744         dev_dbg(adapter->dev, "info: 11D: no_of_triplet=0x%x\n", no_of_triplet);
 745
 746         cmd->command = cpu_to_le16(HostCmd_CMD_802_11D_DOMAIN_INFO);
 747         domain_info->action = cpu_to_le16(cmd_action);
 748         if (cmd_action == HostCmd_ACT_GEN_GET) {
 749                 cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
 750                 return 0;
 751         }
 752
 753         /* Set domain info fields */
 754         domain->header.type = cpu_to_le16(WLAN_EID_COUNTRY);
 755         memcpy(domain->country_code, adapter->domain_reg.country_code,
 756                sizeof(domain->country_code));
 757
 758         domain->header.len =
 759                 cpu_to_le16((no_of_triplet *
 760                              sizeof(struct ieee80211_country_ie_triplet))
 761                             + sizeof(domain->country_code));
 762
 763         if (no_of_triplet) {
 764                 memcpy(domain->triplet, adapter->domain_reg.triplet,
 765                        no_of_triplet * sizeof(struct
 766                                               ieee80211_country_ie_triplet));
 767
 768                 cmd->size = cpu_to_le16(sizeof(domain_info->action) +
 769                                         le16_to_cpu(domain->header.len) +
 770                                         sizeof(struct mwifiex_ie_types_header)
 771                                         + S_DS_GEN);
 772         } else {
 773                 cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
 774         }
 775
 776         return 0;
 777 }
 778
 779 /*
 780  * This function prepares command to set/get IBSS coalescing status.
 781  *
 782  * Preparation includes -
 783  *      - Setting command ID, action and proper size
 784  *      - Setting status to enable or disable (for SET only)
 785  *      - Ensuring correct endian-ness
 786  */
 787 static int mwifiex_cmd_ibss_coalescing_status(struct host_cmd_ds_command *cmd,
 788                                               u16 cmd_action, u16 *enable)
 789 {
 790         struct host_cmd_ds_802_11_ibss_status *ibss_coal =
 791                 &(cmd->params.ibss_coalescing);
 792
 793         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_IBSS_COALESCING_STATUS);
 794         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_ibss_status) +
 795                                 S_DS_GEN);
 796         cmd->result = 0;
 797         ibss_coal->action = cpu_to_le16(cmd_action);
 798
 799         switch (cmd_action) {
 800         case HostCmd_ACT_GEN_SET:
 801                 if (enable)
 802                         ibss_coal->enable = cpu_to_le16(*enable);
 803                 else
 804                         ibss_coal->enable = 0;
 805                 break;
 806
 807                 /* In other case.. Nothing to do */
 808         case HostCmd_ACT_GEN_GET:
 809         default:
 810                 break;
 811         }
 812
 813         return 0;
 814 }
 815
 816 /*
 817  * This function prepares command to set/get register value.
 818  *
 819  * Preparation includes -
 820  *      - Setting command ID, action and proper size
 821  *      - Setting register offset (for both GET and SET) and
 822  *        register value (for SET only)
 823  *      - Ensuring correct endian-ness
 824  *
 825  * The following type of registers can be accessed with this function -
 826  *      - MAC register
 827  *      - BBP register
 828  *      - RF register
 829  *      - PMIC register
 830  *      - CAU register
 831  *      - EEPROM
 832  */
 833 static int mwifiex_cmd_reg_access(struct host_cmd_ds_command *cmd,
 834                                   u16 cmd_action, void *data_buf)
 835 {
 836         struct mwifiex_ds_reg_rw *reg_rw = data_buf;
 837
 838         switch (le16_to_cpu(cmd->command)) {
 839         case HostCmd_CMD_MAC_REG_ACCESS:
 840         {
 841                 struct host_cmd_ds_mac_reg_access *mac_reg;
 842
 843                 cmd->size = cpu_to_le16(sizeof(*mac_reg) + S_DS_GEN);
 844                 mac_reg = &cmd->params.mac_reg;
 845                 mac_reg->action = cpu_to_le16(cmd_action);
 846                 mac_reg->offset =
 847                         cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 848                 mac_reg->value = reg_rw->value;
 849                 break;
 850         }
 851         case HostCmd_CMD_BBP_REG_ACCESS:
 852         {
 853                 struct host_cmd_ds_bbp_reg_access *bbp_reg;
 854
 855                 cmd->size = cpu_to_le16(sizeof(*bbp_reg) + S_DS_GEN);
 856                 bbp_reg = &cmd->params.bbp_reg;
 857                 bbp_reg->action = cpu_to_le16(cmd_action);
 858                 bbp_reg->offset =
 859                         cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 860                 bbp_reg->value = (u8) le32_to_cpu(reg_rw->value);
 861                 break;
 862         }
 863         case HostCmd_CMD_RF_REG_ACCESS:
 864         {
 865                 struct host_cmd_ds_rf_reg_access *rf_reg;
 866
 867                 cmd->size = cpu_to_le16(sizeof(*rf_reg) + S_DS_GEN);
 868                 rf_reg = &cmd->params.rf_reg;
 869                 rf_reg->action = cpu_to_le16(cmd_action);
 870                 rf_reg->offset = cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 871                 rf_reg->value = (u8) le32_to_cpu(reg_rw->value);
 872                 break;
 873         }
 874         case HostCmd_CMD_PMIC_REG_ACCESS:
 875         {
 876                 struct host_cmd_ds_pmic_reg_access *pmic_reg;
 877
 878                 cmd->size = cpu_to_le16(sizeof(*pmic_reg) + S_DS_GEN);
 879                 pmic_reg = &cmd->params.pmic_reg;
 880                 pmic_reg->action = cpu_to_le16(cmd_action);
 881                 pmic_reg->offset =
 882                                 cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 883                 pmic_reg->value = (u8) le32_to_cpu(reg_rw->value);
 884                 break;
 885         }
 886         case HostCmd_CMD_CAU_REG_ACCESS:
 887         {
 888                 struct host_cmd_ds_rf_reg_access *cau_reg;
 889
 890                 cmd->size = cpu_to_le16(sizeof(*cau_reg) + S_DS_GEN);
 891                 cau_reg = &cmd->params.rf_reg;
 892                 cau_reg->action = cpu_to_le16(cmd_action);
 893                 cau_reg->offset =
 894                                 cpu_to_le16((u16) le32_to_cpu(reg_rw->offset));
 895                 cau_reg->value = (u8) le32_to_cpu(reg_rw->value);
 896                 break;
 897         }
 898         case HostCmd_CMD_802_11_EEPROM_ACCESS:
 899         {
 900                 struct mwifiex_ds_read_eeprom *rd_eeprom = data_buf;
 901                 struct host_cmd_ds_802_11_eeprom_access *cmd_eeprom =
 902                         &cmd->params.eeprom;
 903
 904                 cmd->size = cpu_to_le16(sizeof(*cmd_eeprom) + S_DS_GEN);
 905                 cmd_eeprom->action = cpu_to_le16(cmd_action);
 906                 cmd_eeprom->offset = rd_eeprom->offset;
 907                 cmd_eeprom->byte_count = rd_eeprom->byte_count;
 908                 cmd_eeprom->value = 0;
 909                 break;
 910         }
 911         default:
 912                 return -1;
 913         }
 914
 915         return 0;
 916 }
 917
 918 /*
 919  * This function prepares command to set PCI-Express
 920  * host buffer configuration
 921  *
 922  * Preparation includes -
 923  *      - Setting command ID, action and proper size
 924  *      - Setting host buffer configuration
 925  *      - Ensuring correct endian-ness
 926  */
 927 static int
 928 mwifiex_cmd_pcie_host_spec(struct mwifiex_private *priv,
 929                            struct host_cmd_ds_command *cmd, u16 action)
 930 {
 931         struct host_cmd_ds_pcie_details *host_spec =
 932                                         &cmd->params.pcie_host_spec;
 933         struct pcie_service_card *card = priv->adapter->card;
 934
 935         cmd->command = cpu_to_le16(HostCmd_CMD_PCIE_DESC_DETAILS);
 936         cmd->size = cpu_to_le16(sizeof(struct
 937                                         host_cmd_ds_pcie_details) + S_DS_GEN);
 938         cmd->result = 0;
 939
 940         memset(host_spec, 0, sizeof(struct host_cmd_ds_pcie_details));
 941
 942         if (action != HostCmd_ACT_GEN_SET)
 943                 return 0;
 944
 945         /* Send the ring base addresses and count to firmware */
 946         host_spec->txbd_addr_lo = (u32)(card->txbd_ring_pbase);
 947         host_spec->txbd_addr_hi = (u32)(((u64)card->txbd_ring_pbase)>>32);
 948         host_spec->txbd_count = MWIFIEX_MAX_TXRX_BD;
 949         host_spec->rxbd_addr_lo = (u32)(card->rxbd_ring_pbase);
 950         host_spec->rxbd_addr_hi = (u32)(((u64)card->rxbd_ring_pbase)>>32);
 951         host_spec->rxbd_count = MWIFIEX_MAX_TXRX_BD;
 952         host_spec->evtbd_addr_lo = (u32)(card->evtbd_ring_pbase);
 953         host_spec->evtbd_addr_hi = (u32)(((u64)card->evtbd_ring_pbase)>>32);
 954         host_spec->evtbd_count = MWIFIEX_MAX_EVT_BD;
 955         if (card->sleep_cookie_vbase) {
 956                 host_spec->sleep_cookie_addr_lo =
 957                                                 (u32)(card->sleep_cookie_pbase);
 958                 host_spec->sleep_cookie_addr_hi =
 959                                  (u32)(((u64)(card->sleep_cookie_pbase)) >> 32);
 960                 dev_dbg(priv->adapter->dev, "sleep_cook_lo phy addr: 0x%x\n",
 961                         host_spec->sleep_cookie_addr_lo);
 962         }
 963
 964         return 0;
 965 }
 966
 967 /*
 968  * This function prepares command for event subscription, configuration
 969  * and query. Events can be subscribed or unsubscribed. Current subscribed
 970  * events can be queried. Also, current subscribed events are reported in
 971  * every FW response.
 972  */
 973 static int
 974 mwifiex_cmd_802_11_subsc_evt(struct mwifiex_private *priv,
 975                              struct host_cmd_ds_command *cmd,
 976                              struct mwifiex_ds_misc_subsc_evt *subsc_evt_cfg)
 977 {
 978         struct host_cmd_ds_802_11_subsc_evt *subsc_evt = &cmd->params.subsc_evt;
 979         struct mwifiex_ie_types_rssi_threshold *rssi_tlv;
 980         u16 event_bitmap;
 981         u8 *pos;
 982
 983         cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SUBSCRIBE_EVENT);
 984         cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_subsc_evt) +
 985                                 S_DS_GEN);
 986
 987         subsc_evt->action = cpu_to_le16(subsc_evt_cfg->action);
 988         dev_dbg(priv->adapter->dev, "cmd: action: %d\n", subsc_evt_cfg->action);
 989
 990         /*For query requests, no configuration TLV structures are to be added.*/
 991         if (subsc_evt_cfg->action == HostCmd_ACT_GEN_GET)
 992                 return 0;
 993
 994         subsc_evt->events = cpu_to_le16(subsc_evt_cfg->events);
 995
 996         event_bitmap = subsc_evt_cfg->events;
 997         dev_dbg(priv->adapter->dev, "cmd: event bitmap : %16x\n",
 998                 event_bitmap);
 999
1000         if (((subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR) ||
1001              (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_SET)) &&
1002             (event_bitmap == 0)) {
1003                 dev_dbg(priv->adapter->dev, "Error: No event specified "
1004                         "for bitwise action type\n");
1005                 return -EINVAL;
1006         }
1007
1008         /*
1009          * Append TLV structures for each of the specified events for
1010          * subscribing or re-configuring. This is not required for
1011          * bitwise unsubscribing request.
1012          */
1013         if (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR)
1014                 return 0;
1015
1016         pos = ((u8 *)subsc_evt) +
1017                         sizeof(struct host_cmd_ds_802_11_subsc_evt);
1018
1019         if (event_bitmap & BITMASK_BCN_RSSI_LOW) {
1020                 rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
1021
1022                 rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_LOW);
1023                 rssi_tlv->header.len =
1024                     cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
1025                                 sizeof(struct mwifiex_ie_types_header));
1026                 rssi_tlv->abs_value = subsc_evt_cfg->bcn_l_rssi_cfg.abs_value;
1027                 rssi_tlv->evt_freq = subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq;
1028
1029                 dev_dbg(priv->adapter->dev, "Cfg Beacon Low Rssi event, "
1030                         "RSSI:-%d dBm, Freq:%d\n",
1031                         subsc_evt_cfg->bcn_l_rssi_cfg.abs_value,
1032                         subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq);
1033
1034                 pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
1035                 le16_add_cpu(&cmd->size,
1036                              sizeof(struct mwifiex_ie_types_rssi_threshold));
1037         }
1038
1039         if (event_bitmap & BITMASK_BCN_RSSI_HIGH) {
1040                 rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
1041
1042                 rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_HIGH);
1043                 rssi_tlv->header.len =
1044                     cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
1045                                 sizeof(struct mwifiex_ie_types_header));
1046                 rssi_tlv->abs_value = subsc_evt_cfg->bcn_h_rssi_cfg.abs_value;
1047                 rssi_tlv->evt_freq = subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq;
1048
1049                 dev_dbg(priv->adapter->dev, "Cfg Beacon High Rssi event, "
1050                         "RSSI:-%d dBm, Freq:%d\n",
1051                         subsc_evt_cfg->bcn_h_rssi_cfg.abs_value,
1052                         subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq);
1053
1054                 pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
1055                 le16_add_cpu(&cmd->size,
1056                              sizeof(struct mwifiex_ie_types_rssi_threshold));
1057         }
1058
1059         return 0;
1060 }
1061
1062 /*
1063  * This function prepares the commands before sending them to the firmware.
1064  *
1065  * This is a generic function which calls specific command preparation
1066  * routines based upon the command number.
1067  */
1068 int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
1069                             u16 cmd_action, u32 cmd_oid,
1070                             void *data_buf, void *cmd_buf)
1071 {
1072         struct host_cmd_ds_command *cmd_ptr = cmd_buf;
1073         int ret = 0;
1074
1075         /* Prepare command */
1076         switch (cmd_no) {
1077         case HostCmd_CMD_GET_HW_SPEC:
1078                 ret = mwifiex_cmd_get_hw_spec(priv, cmd_ptr);
1079                 break;
1080         case HostCmd_CMD_MAC_CONTROL:
1081                 ret = mwifiex_cmd_mac_control(priv, cmd_ptr, cmd_action,
1082                                               data_buf);
1083                 break;
1084         case HostCmd_CMD_802_11_MAC_ADDRESS:
1085                 ret = mwifiex_cmd_802_11_mac_address(priv, cmd_ptr,
1086                                                      cmd_action);
1087                 break;
1088         case HostCmd_CMD_MAC_MULTICAST_ADR:
1089                 ret = mwifiex_cmd_mac_multicast_adr(cmd_ptr, cmd_action,
1090                                                     data_buf);
1091                 break;
1092         case HostCmd_CMD_TX_RATE_CFG:
1093                 ret = mwifiex_cmd_tx_rate_cfg(priv, cmd_ptr, cmd_action,
1094                                               data_buf);
1095                 break;
1096         case HostCmd_CMD_TXPWR_CFG:
1097                 ret = mwifiex_cmd_tx_power_cfg(cmd_ptr, cmd_action,
1098                                                data_buf);
1099                 break;
1100         case HostCmd_CMD_RF_TX_PWR:
1101                 ret = mwifiex_cmd_rf_tx_power(priv, cmd_ptr, cmd_action,
1102                                               data_buf);
1103                 break;
1104         case HostCmd_CMD_RF_ANTENNA:
1105                 ret = mwifiex_cmd_rf_antenna(priv, cmd_ptr, cmd_action,
1106                                              data_buf);
1107                 break;
1108         case HostCmd_CMD_802_11_PS_MODE_ENH:
1109                 ret = mwifiex_cmd_enh_power_mode(priv, cmd_ptr, cmd_action,
1110                                                  (uint16_t)cmd_oid, data_buf);
1111                 break;
1112         case HostCmd_CMD_802_11_HS_CFG_ENH:
1113                 ret = mwifiex_cmd_802_11_hs_cfg(priv, cmd_ptr, cmd_action,
1114                                 (struct mwifiex_hs_config_param *) data_buf);
1115                 break;
1116         case HostCmd_CMD_802_11_SCAN:
1117                 ret = mwifiex_cmd_802_11_scan(cmd_ptr, data_buf);
1118                 break;
1119         case HostCmd_CMD_802_11_BG_SCAN_QUERY:
1120                 ret = mwifiex_cmd_802_11_bg_scan_query(cmd_ptr);
1121                 break;
1122         case HostCmd_CMD_802_11_ASSOCIATE:
1123                 ret = mwifiex_cmd_802_11_associate(priv, cmd_ptr, data_buf);
1124                 break;
1125         case HostCmd_CMD_802_11_DEAUTHENTICATE:
1126                 ret = mwifiex_cmd_802_11_deauthenticate(priv, cmd_ptr,
1127                                                         data_buf);
1128                 break;
1129         case HostCmd_CMD_802_11_AD_HOC_START:
1130                 ret = mwifiex_cmd_802_11_ad_hoc_start(priv, cmd_ptr,
1131                                                       data_buf);
1132                 break;
1133         case HostCmd_CMD_802_11_GET_LOG:
1134                 ret = mwifiex_cmd_802_11_get_log(cmd_ptr);
1135                 break;
1136         case HostCmd_CMD_802_11_AD_HOC_JOIN:
1137                 ret = mwifiex_cmd_802_11_ad_hoc_join(priv, cmd_ptr,
1138                                                      data_buf);
1139                 break;
1140         case HostCmd_CMD_802_11_AD_HOC_STOP:
1141                 ret = mwifiex_cmd_802_11_ad_hoc_stop(cmd_ptr);
1142                 break;
1143         case HostCmd_CMD_RSSI_INFO:
1144                 ret = mwifiex_cmd_802_11_rssi_info(priv, cmd_ptr, cmd_action);
1145                 break;
1146         case HostCmd_CMD_802_11_SNMP_MIB:
1147                 ret = mwifiex_cmd_802_11_snmp_mib(priv, cmd_ptr, cmd_action,
1148                                                   cmd_oid, data_buf);
1149                 break;
1150         case HostCmd_CMD_802_11_TX_RATE_QUERY:
1151                 cmd_ptr->command =
1152                         cpu_to_le16(HostCmd_CMD_802_11_TX_RATE_QUERY);
1153                 cmd_ptr->size =
1154                         cpu_to_le16(sizeof(struct host_cmd_ds_tx_rate_query) +
1155                                     S_DS_GEN);
1156                 priv->tx_rate = 0;
1157                 ret = 0;
1158                 break;
1159         case HostCmd_CMD_VERSION_EXT:
1160                 cmd_ptr->command = cpu_to_le16(cmd_no);
1161                 cmd_ptr->params.verext.version_str_sel =
1162                         (u8) (*((u32 *) data_buf));
1163                 memcpy(&cmd_ptr->params, data_buf,
1164                        sizeof(struct host_cmd_ds_version_ext));
1165                 cmd_ptr->size =
1166                         cpu_to_le16(sizeof(struct host_cmd_ds_version_ext) +
1167                                     S_DS_GEN);
1168                 ret = 0;
1169                 break;
1170         case HostCmd_CMD_MGMT_FRAME_REG:
1171                 cmd_ptr->command = cpu_to_le16(cmd_no);
1172                 cmd_ptr->params.reg_mask.action = cpu_to_le16(cmd_action);
1173                 cmd_ptr->params.reg_mask.mask = cpu_to_le32(*(u32 *)data_buf);
1174                 cmd_ptr->size =
1175                         cpu_to_le16(sizeof(struct host_cmd_ds_mgmt_frame_reg) +
1176                                     S_DS_GEN);
1177                 ret = 0;
1178                 break;
1179         case HostCmd_CMD_REMAIN_ON_CHAN:
1180                 cmd_ptr->command = cpu_to_le16(cmd_no);
1181                 memcpy(&cmd_ptr->params, data_buf,
1182                        sizeof(struct host_cmd_ds_remain_on_chan));
1183                 cmd_ptr->size =
1184                       cpu_to_le16(sizeof(struct host_cmd_ds_remain_on_chan) +
1185                                   S_DS_GEN);
1186                 break;
1187         case HostCmd_CMD_P2P_MODE_CFG:
1188                 cmd_ptr->command = cpu_to_le16(cmd_no);
1189                 cmd_ptr->params.mode_cfg.action = cpu_to_le16(cmd_action);
1190                 cmd_ptr->params.mode_cfg.mode = cpu_to_le16(*(u16 *)data_buf);
1191                 cmd_ptr->size =
1192                         cpu_to_le16(sizeof(struct host_cmd_ds_p2p_mode_cfg) +
1193                                     S_DS_GEN);
1194                 break;
1195         case HostCmd_CMD_FUNC_INIT:
1196                 if (priv->adapter->hw_status == MWIFIEX_HW_STATUS_RESET)
1197                         priv->adapter->hw_status = MWIFIEX_HW_STATUS_READY;
1198                 cmd_ptr->command = cpu_to_le16(cmd_no);
1199                 cmd_ptr->size = cpu_to_le16(S_DS_GEN);
1200                 break;
1201         case HostCmd_CMD_FUNC_SHUTDOWN:
1202                 priv->adapter->hw_status = MWIFIEX_HW_STATUS_RESET;
1203                 cmd_ptr->command = cpu_to_le16(cmd_no);
1204                 cmd_ptr->size = cpu_to_le16(S_DS_GEN);
1205                 break;
1206         case HostCmd_CMD_11N_ADDBA_REQ:
1207                 ret = mwifiex_cmd_11n_addba_req(cmd_ptr, data_buf);
1208                 break;
1209         case HostCmd_CMD_11N_DELBA:
1210                 ret = mwifiex_cmd_11n_delba(cmd_ptr, data_buf);
1211                 break;
1212         case HostCmd_CMD_11N_ADDBA_RSP:
1213                 ret = mwifiex_cmd_11n_addba_rsp_gen(priv, cmd_ptr, data_buf);
1214                 break;
1215         case HostCmd_CMD_802_11_KEY_MATERIAL:
1216                 ret = mwifiex_cmd_802_11_key_material(priv, cmd_ptr,
1217                                                       cmd_action, cmd_oid,
1218                                                       data_buf);
1219                 break;
1220         case HostCmd_CMD_802_11D_DOMAIN_INFO:
1221                 ret = mwifiex_cmd_802_11d_domain_info(priv, cmd_ptr,
1222                                                       cmd_action);
1223                 break;
1224         case HostCmd_CMD_RECONFIGURE_TX_BUFF:
1225                 ret = mwifiex_cmd_recfg_tx_buf(priv, cmd_ptr, cmd_action,
1226                                                data_buf);
1227                 break;
1228         case HostCmd_CMD_AMSDU_AGGR_CTRL:
1229                 ret = mwifiex_cmd_amsdu_aggr_ctrl(cmd_ptr, cmd_action,
1230                                                   data_buf);
1231                 break;
1232         case HostCmd_CMD_11N_CFG:
1233                 ret = mwifiex_cmd_11n_cfg(cmd_ptr, cmd_action, data_buf);
1234                 break;
1235         case HostCmd_CMD_WMM_GET_STATUS:
1236                 dev_dbg(priv->adapter->dev,
1237                         "cmd: WMM: WMM_GET_STATUS cmd sent\n");
1238                 cmd_ptr->command = cpu_to_le16(HostCmd_CMD_WMM_GET_STATUS);
1239                 cmd_ptr->size =
1240                         cpu_to_le16(sizeof(struct host_cmd_ds_wmm_get_status) +
1241                                     S_DS_GEN);
1242                 ret = 0;
1243                 break;
1244         case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
1245                 ret = mwifiex_cmd_ibss_coalescing_status(cmd_ptr, cmd_action,
1246                                                          data_buf);
1247                 break;
1248         case HostCmd_CMD_MAC_REG_ACCESS:
1249         case HostCmd_CMD_BBP_REG_ACCESS:
1250         case HostCmd_CMD_RF_REG_ACCESS:
1251         case HostCmd_CMD_PMIC_REG_ACCESS:
1252         case HostCmd_CMD_CAU_REG_ACCESS:
1253         case HostCmd_CMD_802_11_EEPROM_ACCESS:
1254                 ret = mwifiex_cmd_reg_access(cmd_ptr, cmd_action, data_buf);
1255                 break;
1256         case HostCmd_CMD_SET_BSS_MODE:
1257                 cmd_ptr->command = cpu_to_le16(cmd_no);
1258                 if (priv->bss_mode == NL80211_IFTYPE_ADHOC)
1259                         cmd_ptr->params.bss_mode.con_type =
1260                                 CONNECTION_TYPE_ADHOC;
1261                 else if (priv->bss_mode == NL80211_IFTYPE_STATION)
1262                         cmd_ptr->params.bss_mode.con_type =
1263                                 CONNECTION_TYPE_INFRA;
1264                 else if (priv->bss_mode == NL80211_IFTYPE_AP)
1265                         cmd_ptr->params.bss_mode.con_type = CONNECTION_TYPE_AP;
1266                 cmd_ptr->size = cpu_to_le16(sizeof(struct
1267                                 host_cmd_ds_set_bss_mode) + S_DS_GEN);
1268                 ret = 0;
1269                 break;
1270         case HostCmd_CMD_PCIE_DESC_DETAILS:
1271                 ret = mwifiex_cmd_pcie_host_spec(priv, cmd_ptr, cmd_action);
1272                 break;
1273         case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
1274                 ret = mwifiex_cmd_802_11_subsc_evt(priv, cmd_ptr, data_buf);
1275                 break;
1276         default:
1277                 dev_err(priv->adapter->dev,
1278                         "PREP_CMD: unknown cmd- %#x\n", cmd_no);
1279                 ret = -1;
1280                 break;
1281         }
1282         return ret;
1283 }
1284
1285 /*
1286  * This function issues commands to initialize firmware.
1287  *
1288  * This is called after firmware download to bring the card to
1289  * working state.
1290  *
1291  * The following commands are issued sequentially -
1292  *      - Set PCI-Express host buffer configuration (PCIE only)
1293  *      - Function init (for first interface only)
1294  *      - Read MAC address (for first interface only)
1295  *      - Reconfigure Tx buffer size (for first interface only)
1296  *      - Enable auto deep sleep (for first interface only)
1297  *      - Get Tx rate
1298  *      - Get Tx power
1299  *      - Set IBSS coalescing status
1300  *      - Set AMSDU aggregation control
1301  *      - Set 11d control
1302  *      - Set MAC control (this must be the last command to initialize firmware)
1303  */
1304 int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta)
1305 {
1306         int ret;
1307         u16 enable = true;
1308         struct mwifiex_ds_11n_amsdu_aggr_ctrl amsdu_aggr_ctrl;
1309         struct mwifiex_ds_auto_ds auto_ds;
1310         enum state_11d_t state_11d;
1311         struct mwifiex_ds_11n_tx_cfg tx_cfg;
1312
1313         if (first_sta) {
1314                 if (priv->adapter->iface_type == MWIFIEX_PCIE) {
1315                         ret = mwifiex_send_cmd_sync(priv,
1316                                                 HostCmd_CMD_PCIE_DESC_DETAILS,
1317                                                 HostCmd_ACT_GEN_SET, 0, NULL);
1318                         if (ret)
1319                                 return -1;
1320                 }
1321
1322                 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_FUNC_INIT,
1323                                             HostCmd_ACT_GEN_SET, 0, NULL);
1324                 if (ret)
1325                         return -1;
1326                 /* Read MAC address from HW */
1327                 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_GET_HW_SPEC,
1328                                             HostCmd_ACT_GEN_GET, 0, NULL);
1329                 if (ret)
1330                         return -1;
1331
1332                 /* Reconfigure tx buf size */
1333                 ret = mwifiex_send_cmd_sync(priv,
1334                                             HostCmd_CMD_RECONFIGURE_TX_BUFF,
1335                                             HostCmd_ACT_GEN_SET, 0,
1336                                             &priv->adapter->tx_buf_size);
1337                 if (ret)
1338                         return -1;
1339
1340                 if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
1341                         /* Enable IEEE PS by default */
1342                         priv->adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
1343                         ret = mwifiex_send_cmd_sync(
1344                                         priv, HostCmd_CMD_802_11_PS_MODE_ENH,
1345                                         EN_AUTO_PS, BITMAP_STA_PS, NULL);
1346                         if (ret)
1347                                 return -1;
1348                 }
1349         }
1350
1351         /* get tx rate */
1352         ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
1353                                     HostCmd_ACT_GEN_GET, 0, NULL);
1354         if (ret)
1355                 return -1;
1356         priv->data_rate = 0;
1357
1358         /* get tx power */
1359         ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_TX_PWR,
1360                                     HostCmd_ACT_GEN_GET, 0, NULL);
1361         if (ret)
1362                 return -1;
1363
1364         if (priv->bss_type == MWIFIEX_BSS_TYPE_STA) {
1365                 /* set ibss coalescing_status */
1366                 ret = mwifiex_send_cmd_sync(
1367                                 priv, HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
1368                                 HostCmd_ACT_GEN_SET, 0, &enable);
1369                 if (ret)
1370                         return -1;
1371         }
1372
1373         memset(&amsdu_aggr_ctrl, 0, sizeof(amsdu_aggr_ctrl));
1374         amsdu_aggr_ctrl.enable = true;
1375         /* Send request to firmware */
1376         ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_AMSDU_AGGR_CTRL,
1377                                     HostCmd_ACT_GEN_SET, 0,
1378                                     &amsdu_aggr_ctrl);
1379         if (ret)
1380                 return -1;
1381         /* MAC Control must be the last command in init_fw */
1382         /* set MAC Control */
1383         ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
1384                                     HostCmd_ACT_GEN_SET, 0,
1385                                     &priv->curr_pkt_filter);
1386         if (ret)
1387                 return -1;
1388
1389         if (first_sta && priv->adapter->iface_type != MWIFIEX_USB &&
1390             priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
1391                 /* Enable auto deep sleep */
1392                 auto_ds.auto_ds = DEEP_SLEEP_ON;
1393                 auto_ds.idle_time = DEEP_SLEEP_IDLE_TIME;
1394                 ret = mwifiex_send_cmd_sync(priv,
1395                                             HostCmd_CMD_802_11_PS_MODE_ENH,
1396                                             EN_AUTO_PS, BITMAP_AUTO_DS,
1397                                             &auto_ds);
1398                 if (ret)
1399                         return -1;
1400         }
1401
1402         if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
1403                 /* Send cmd to FW to enable/disable 11D function */
1404                 state_11d = ENABLE_11D;
1405                 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
1406                                             HostCmd_ACT_GEN_SET, DOT11D_I,
1407                                             &state_11d);
1408                 if (ret)
1409                         dev_err(priv->adapter->dev,
1410                                 "11D: failed to enable 11D\n");
1411         }
1412
1413         /* set last_init_cmd before sending the command */
1414         priv->adapter->last_init_cmd = HostCmd_CMD_11N_CFG;
1415
1416         /* Send cmd to FW to configure 11n specific configuration
1417          * (Short GI, Channel BW, Green field support etc.) for transmit
1418          */
1419         tx_cfg.tx_htcap = MWIFIEX_FW_DEF_HTTXCFG;
1420         ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_11N_CFG,
1421                                     HostCmd_ACT_GEN_SET, 0, &tx_cfg);
1422
1423         ret = -EINPROGRESS;
1424
1425         return ret;
1426 }