drivers/net/wireless/libertas/cmd.c

   1 /**
   2   * This file contains the handling of command.
   3   * It prepares command and sends it to firmware when it is ready.
   4   */
   5
   6 #include <net/iw_handler.h>
   7 #include "host.h"
   8 #include "hostcmd.h"
   9 #include "decl.h"
  10 #include "defs.h"
  11 #include "dev.h"
  12 #include "join.h"
  13 #include "wext.h"
  14 #include "cmd.h"
  15
  16 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
  17 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
  18                     struct cmd_ctrl_node *ptempnode,
  19                     void *pdata_buf);
  20
  21
  22 /**
  23  *  @brief Checks whether a command is allowed in Power Save mode
  24  *
  25  *  @param command the command ID
  26  *  @return        1 if allowed, 0 if not allowed
  27  */
  28 static u8 is_command_allowed_in_ps(u16 cmd)
  29 {
  30         switch (cmd) {
  31         case CMD_802_11_RSSI:
  32                 return 1;
  33         default:
  34                 break;
  35         }
  36         return 0;
  37 }
  38
  39 /**
  40  *  @brief Updates the hardware details like MAC address and regulatory region
  41  *
  42  *  @param priv         A pointer to struct lbs_private structure
  43  *
  44  *  @return             0 on success, error on failure
  45  */
  46 int lbs_update_hw_spec(struct lbs_private *priv)
  47 {
  48         struct cmd_ds_get_hw_spec cmd;
  49         int ret = -1;
  50         u32 i;
  51         DECLARE_MAC_BUF(mac);
  52
  53         lbs_deb_enter(LBS_DEB_CMD);
  54
  55         memset(&cmd, 0, sizeof(cmd));
  56         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
  57         memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
  58         ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
  59         if (ret)
  60                 goto out;
  61
  62         priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
  63
  64         /* The firmware release is in an interesting format: the patch
  65          * level is in the most significant nibble ... so fix that: */
  66         priv->fwrelease = le32_to_cpu(cmd.fwrelease);
  67         priv->fwrelease = (priv->fwrelease << 8) |
  68                 (priv->fwrelease >> 24 & 0xff);
  69
  70         /* Some firmware capabilities:
  71          * CF card    firmware 5.0.16p0:   cap 0x00000303
  72          * USB dongle firmware 5.110.17p2: cap 0x00000303
  73          */
  74         printk("libertas: %s, fw %u.%u.%up%u, cap 0x%08x\n",
  75                 print_mac(mac, cmd.permanentaddr),
  76                 priv->fwrelease >> 24 & 0xff,
  77                 priv->fwrelease >> 16 & 0xff,
  78                 priv->fwrelease >>  8 & 0xff,
  79                 priv->fwrelease       & 0xff,
  80                 priv->fwcapinfo);
  81         lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
  82                     cmd.hwifversion, cmd.version);
  83
  84         /* Clamp region code to 8-bit since FW spec indicates that it should
  85          * only ever be 8-bit, even though the field size is 16-bit.  Some firmware
  86          * returns non-zero high 8 bits here.
  87          */
  88         priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
  89
  90         for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
  91                 /* use the region code to search for the index */
  92                 if (priv->regioncode == lbs_region_code_to_index[i])
  93                         break;
  94         }
  95
  96         /* if it's unidentified region code, use the default (USA) */
  97         if (i >= MRVDRV_MAX_REGION_CODE) {
  98                 priv->regioncode = 0x10;
  99                 lbs_pr_info("unidentified region code; using the default (USA)\n");
 100         }
 101
 102         if (priv->current_addr[0] == 0xff)
 103                 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
 104
 105         memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
 106         if (priv->mesh_dev)
 107                 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
 108
 109         if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
 110                 ret = -1;
 111                 goto out;
 112         }
 113
 114         if (lbs_set_universaltable(priv, 0)) {
 115                 ret = -1;
 116                 goto out;
 117         }
 118
 119 out:
 120         lbs_deb_leave(LBS_DEB_CMD);
 121         return ret;
 122 }
 123
 124 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
 125 {
 126         struct cmd_ds_host_sleep cmd_config;
 127         int ret;
 128
 129         cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
 130         cmd_config.criteria = cpu_to_le32(criteria);
 131         cmd_config.gpio = priv->wol_gpio;
 132         cmd_config.gap = priv->wol_gap;
 133
 134         ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
 135         if (!ret) {
 136                 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
 137                 priv->wol_criteria = criteria;
 138         } else {
 139                 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
 140         }
 141
 142         return ret;
 143 }
 144 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
 145
 146 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
 147                                    struct cmd_ds_command *cmd,
 148                                    u16 cmd_action)
 149 {
 150         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
 151
 152         lbs_deb_enter(LBS_DEB_CMD);
 153
 154         cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
 155         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
 156                                 S_DS_GEN);
 157         psm->action = cpu_to_le16(cmd_action);
 158         psm->multipledtim = 0;
 159         switch (cmd_action) {
 160         case CMD_SUBCMD_ENTER_PS:
 161                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
 162
 163                 psm->locallisteninterval = 0;
 164                 psm->nullpktinterval = 0;
 165                 psm->multipledtim =
 166                     cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
 167                 break;
 168
 169         case CMD_SUBCMD_EXIT_PS:
 170                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
 171                 break;
 172
 173         case CMD_SUBCMD_SLEEP_CONFIRMED:
 174                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
 175                 break;
 176
 177         default:
 178                 break;
 179         }
 180
 181         lbs_deb_leave(LBS_DEB_CMD);
 182         return 0;
 183 }
 184
 185 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
 186                                       uint16_t cmd_action, uint16_t *timeout)
 187 {
 188         struct cmd_ds_802_11_inactivity_timeout cmd;
 189         int ret;
 190
 191         lbs_deb_enter(LBS_DEB_CMD);
 192
 193         cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
 194         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 195
 196         cmd.action = cpu_to_le16(cmd_action);
 197
 198         if (cmd_action == CMD_ACT_SET)
 199                 cmd.timeout = cpu_to_le16(*timeout);
 200         else
 201                 cmd.timeout = 0;
 202
 203         ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
 204
 205         if (!ret)
 206                 *timeout = le16_to_cpu(cmd.timeout);
 207
 208         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 209         return 0;
 210 }
 211
 212 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
 213                                 struct sleep_params *sp)
 214 {
 215         struct cmd_ds_802_11_sleep_params cmd;
 216         int ret;
 217
 218         lbs_deb_enter(LBS_DEB_CMD);
 219
 220         if (cmd_action == CMD_ACT_GET) {
 221                 memset(&cmd, 0, sizeof(cmd));
 222         } else {
 223                 cmd.error = cpu_to_le16(sp->sp_error);
 224                 cmd.offset = cpu_to_le16(sp->sp_offset);
 225                 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
 226                 cmd.calcontrol = sp->sp_calcontrol;
 227                 cmd.externalsleepclk = sp->sp_extsleepclk;
 228                 cmd.reserved = cpu_to_le16(sp->sp_reserved);
 229         }
 230         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 231         cmd.action = cpu_to_le16(cmd_action);
 232
 233         ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
 234
 235         if (!ret) {
 236                 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
 237                             "calcontrol 0x%x extsleepclk 0x%x\n",
 238                             le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
 239                             le16_to_cpu(cmd.stabletime), cmd.calcontrol,
 240                             cmd.externalsleepclk);
 241
 242                 sp->sp_error = le16_to_cpu(cmd.error);
 243                 sp->sp_offset = le16_to_cpu(cmd.offset);
 244                 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
 245                 sp->sp_calcontrol = cmd.calcontrol;
 246                 sp->sp_extsleepclk = cmd.externalsleepclk;
 247                 sp->sp_reserved = le16_to_cpu(cmd.reserved);
 248         }
 249
 250         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 251         return 0;
 252 }
 253
 254 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
 255                            struct assoc_request *assoc)
 256 {
 257         struct cmd_ds_802_11_set_wep cmd;
 258         int ret = 0;
 259
 260         lbs_deb_enter(LBS_DEB_CMD);
 261
 262         cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
 263         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 264
 265         cmd.action = cpu_to_le16(cmd_action);
 266
 267         if (cmd_action == CMD_ACT_ADD) {
 268                 int i;
 269
 270                 /* default tx key index */
 271                 cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
 272                                            CMD_WEP_KEY_INDEX_MASK);
 273
 274                 /* Copy key types and material to host command structure */
 275                 for (i = 0; i < 4; i++) {
 276                         struct enc_key *pkey = &assoc->wep_keys[i];
 277
 278                         switch (pkey->len) {
 279                         case KEY_LEN_WEP_40:
 280                                 cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
 281                                 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
 282                                 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
 283                                 break;
 284                         case KEY_LEN_WEP_104:
 285                                 cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
 286                                 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
 287                                 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
 288                                 break;
 289                         case 0:
 290                                 break;
 291                         default:
 292                                 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
 293                                             i, pkey->len);
 294                                 ret = -1;
 295                                 goto done;
 296                                 break;
 297                         }
 298                 }
 299         } else if (cmd_action == CMD_ACT_REMOVE) {
 300                 /* ACT_REMOVE clears _all_ WEP keys */
 301
 302                 /* default tx key index */
 303                 cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
 304                                            CMD_WEP_KEY_INDEX_MASK);
 305                 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
 306         }
 307
 308         ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
 309 done:
 310         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 311         return ret;
 312 }
 313
 314 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
 315                               uint16_t *enable)
 316 {
 317         struct cmd_ds_802_11_enable_rsn cmd;
 318         int ret;
 319
 320         lbs_deb_enter(LBS_DEB_CMD);
 321
 322         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 323         cmd.action = cpu_to_le16(cmd_action);
 324
 325         if (cmd_action == CMD_ACT_SET) {
 326                 if (*enable)
 327                         cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
 328                 else
 329                         cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
 330                 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 331         }
 332
 333         ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
 334         if (!ret && cmd_action == CMD_ACT_GET)
 335                 *enable = le16_to_cpu(cmd.enable);
 336
 337         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 338         return ret;
 339 }
 340
 341 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
 342                             struct enc_key *key)
 343 {
 344         lbs_deb_enter(LBS_DEB_CMD);
 345
 346         if (key->flags & KEY_INFO_WPA_ENABLED)
 347                 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
 348         if (key->flags & KEY_INFO_WPA_UNICAST)
 349                 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 350         if (key->flags & KEY_INFO_WPA_MCAST)
 351                 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 352
 353         keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 354         keyparam->keytypeid = cpu_to_le16(key->type);
 355         keyparam->keylen = cpu_to_le16(key->len);
 356         memcpy(keyparam->key, key->key, key->len);
 357
 358         /* Length field doesn't include the {type,length} header */
 359         keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
 360         lbs_deb_leave(LBS_DEB_CMD);
 361 }
 362
 363 int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
 364                                 struct assoc_request *assoc)
 365 {
 366         struct cmd_ds_802_11_key_material cmd;
 367         int ret = 0;
 368         int index = 0;
 369
 370         lbs_deb_enter(LBS_DEB_CMD);
 371
 372         cmd.action = cpu_to_le16(cmd_action);
 373         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 374
 375         if (cmd_action == CMD_ACT_GET) {
 376                 cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
 377         } else {
 378                 memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
 379
 380                 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
 381                         set_one_wpa_key(&cmd.keyParamSet[index],
 382                                         &assoc->wpa_unicast_key);
 383                         index++;
 384                 }
 385
 386                 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
 387                         set_one_wpa_key(&cmd.keyParamSet[index],
 388                                         &assoc->wpa_mcast_key);
 389                         index++;
 390                 }
 391
 392                 /* The common header and as many keys as we included */
 393                 cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
 394                                                     keyParamSet[index]));
 395         }
 396         ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
 397         /* Copy the returned key to driver private data */
 398         if (!ret && cmd_action == CMD_ACT_GET) {
 399                 void *buf_ptr = cmd.keyParamSet;
 400                 void *resp_end = &(&cmd)[1];
 401
 402                 while (buf_ptr < resp_end) {
 403                         struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
 404                         struct enc_key *key;
 405                         uint16_t param_set_len = le16_to_cpu(keyparam->length);
 406                         uint16_t key_len = le16_to_cpu(keyparam->keylen);
 407                         uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
 408                         uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
 409                         void *end;
 410
 411                         end = (void *)keyparam + sizeof(keyparam->type)
 412                                 + sizeof(keyparam->length) + param_set_len;
 413
 414                         /* Make sure we don't access past the end of the IEs */
 415                         if (end > resp_end)
 416                                 break;
 417
 418                         if (key_flags & KEY_INFO_WPA_UNICAST)
 419                                 key = &priv->wpa_unicast_key;
 420                         else if (key_flags & KEY_INFO_WPA_MCAST)
 421                                 key = &priv->wpa_mcast_key;
 422                         else
 423                                 break;
 424
 425                         /* Copy returned key into driver */
 426                         memset(key, 0, sizeof(struct enc_key));
 427                         if (key_len > sizeof(key->key))
 428                                 break;
 429                         key->type = key_type;
 430                         key->flags = key_flags;
 431                         key->len = key_len;
 432                         memcpy(key->key, keyparam->key, key->len);
 433
 434                         buf_ptr = end + 1;
 435                 }
 436         }
 437
 438         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 439         return ret;
 440 }
 441
 442 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
 443                                  struct cmd_ds_command *cmd, int cmd_action)
 444 {
 445         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 446
 447         lbs_deb_enter(LBS_DEB_CMD);
 448
 449         cmd->command = cpu_to_le16(CMD_802_11_RESET);
 450         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 451         reset->action = cpu_to_le16(cmd_action);
 452
 453         lbs_deb_leave(LBS_DEB_CMD);
 454         return 0;
 455 }
 456
 457 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
 458                                    struct cmd_ds_command *cmd)
 459 {
 460         lbs_deb_enter(LBS_DEB_CMD);
 461         cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
 462         cmd->size =
 463                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 464
 465         lbs_deb_leave(LBS_DEB_CMD);
 466         return 0;
 467 }
 468
 469 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
 470                                     struct cmd_ds_command *cmd)
 471 {
 472         lbs_deb_enter(LBS_DEB_CMD);
 473         cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
 474         cmd->size =
 475             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
 476
 477         lbs_deb_leave(LBS_DEB_CMD);
 478         return 0;
 479 }
 480
 481 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 482                                     struct cmd_ds_command *cmd,
 483                                     int cmd_action,
 484                                     int cmd_oid, void *pdata_buf)
 485 {
 486         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 487         u8 ucTemp;
 488
 489         lbs_deb_enter(LBS_DEB_CMD);
 490
 491         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 492
 493         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
 494         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
 495
 496         switch (cmd_oid) {
 497         case OID_802_11_INFRASTRUCTURE_MODE:
 498         {
 499                 u8 mode = (u8) (size_t) pdata_buf;
 500                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 501                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
 502                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
 503                 if (mode == IW_MODE_ADHOC) {
 504                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 505                 } else {
 506                         /* Infra and Auto modes */
 507                         ucTemp = SNMP_MIB_VALUE_INFRA;
 508                 }
 509
 510                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 511
 512                 break;
 513         }
 514
 515         case OID_802_11D_ENABLE:
 516                 {
 517                         u32 ulTemp;
 518
 519                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
 520
 521                         if (cmd_action == CMD_ACT_SET) {
 522                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 523                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 524                                 ulTemp = *(u32 *)pdata_buf;
 525                                 *((__le16 *)(pSNMPMIB->value)) =
 526                                     cpu_to_le16((u16) ulTemp);
 527                         }
 528                         break;
 529                 }
 530
 531         case OID_802_11_FRAGMENTATION_THRESHOLD:
 532                 {
 533                         u32 ulTemp;
 534
 535                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
 536
 537                         if (cmd_action == CMD_ACT_GET) {
 538                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 539                         } else if (cmd_action == CMD_ACT_SET) {
 540                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 541                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 542                                 ulTemp = *((u32 *) pdata_buf);
 543                                 *((__le16 *)(pSNMPMIB->value)) =
 544                                     cpu_to_le16((u16) ulTemp);
 545
 546                         }
 547
 548                         break;
 549                 }
 550
 551         case OID_802_11_RTS_THRESHOLD:
 552                 {
 553
 554                         u32 ulTemp;
 555                         pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
 556
 557                         if (cmd_action == CMD_ACT_GET) {
 558                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 559                         } else if (cmd_action == CMD_ACT_SET) {
 560                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 561                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 562                                 ulTemp = *((u32 *)pdata_buf);
 563                                 *(__le16 *)(pSNMPMIB->value) =
 564                                     cpu_to_le16((u16) ulTemp);
 565
 566                         }
 567                         break;
 568                 }
 569         case OID_802_11_TX_RETRYCOUNT:
 570                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
 571
 572                 if (cmd_action == CMD_ACT_GET) {
 573                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 574                 } else if (cmd_action == CMD_ACT_SET) {
 575                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 576                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 577                         *((__le16 *)(pSNMPMIB->value)) =
 578                             cpu_to_le16((u16) priv->txretrycount);
 579                 }
 580
 581                 break;
 582         default:
 583                 break;
 584         }
 585
 586         lbs_deb_cmd(
 587                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 588                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
 589                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
 590
 591         lbs_deb_cmd(
 592                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
 593                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
 594                le16_to_cpu(pSNMPMIB->bufsize),
 595                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
 596
 597         lbs_deb_leave(LBS_DEB_CMD);
 598         return 0;
 599 }
 600
 601 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 602                                        struct cmd_ds_command *cmd,
 603                                        u16 cmd_action, void *pdata_buf)
 604 {
 605
 606         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 607
 608         lbs_deb_enter(LBS_DEB_CMD);
 609
 610         cmd->size =
 611             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 612         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 613         prtp->action = cpu_to_le16(cmd_action);
 614
 615         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 616                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 617                     le16_to_cpu(prtp->action));
 618
 619         switch (cmd_action) {
 620         case CMD_ACT_TX_POWER_OPT_GET:
 621                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 622                 prtp->currentlevel = 0;
 623                 break;
 624
 625         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 626                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 627                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 628                 break;
 629
 630         case CMD_ACT_TX_POWER_OPT_SET_MID:
 631                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 632                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 633                 break;
 634
 635         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 636                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 637                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 638                 break;
 639         }
 640
 641         lbs_deb_leave(LBS_DEB_CMD);
 642         return 0;
 643 }
 644
 645 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
 646                                       struct cmd_ds_command *cmd,
 647                                       u16 cmd_action, void *pdata_buf)
 648 {
 649         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 650
 651         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 652         cmd->size =
 653             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 654                              S_DS_GEN);
 655
 656         monitor->action = cpu_to_le16(cmd_action);
 657         if (cmd_action == CMD_ACT_SET) {
 658                 monitor->mode =
 659                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 660         }
 661
 662         return 0;
 663 }
 664
 665 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 666                                               struct cmd_ds_command *cmd,
 667                                               u16 cmd_action)
 668 {
 669         struct cmd_ds_802_11_rate_adapt_rateset
 670         *rateadapt = &cmd->params.rateset;
 671
 672         lbs_deb_enter(LBS_DEB_CMD);
 673         cmd->size =
 674             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 675                              + S_DS_GEN);
 676         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 677
 678         rateadapt->action = cpu_to_le16(cmd_action);
 679         rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
 680         rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
 681
 682         lbs_deb_leave(LBS_DEB_CMD);
 683         return 0;
 684 }
 685
 686 /**
 687  *  @brief Get the current data rate
 688  *
 689  *  @param priv         A pointer to struct lbs_private structure
 690  *
 691  *  @return             The data rate on success, error on failure
 692  */
 693 int lbs_get_data_rate(struct lbs_private *priv)
 694 {
 695         struct cmd_ds_802_11_data_rate cmd;
 696         int ret = -1;
 697
 698         lbs_deb_enter(LBS_DEB_CMD);
 699
 700         memset(&cmd, 0, sizeof(cmd));
 701         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 702         cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 703
 704         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 705         if (ret)
 706                 goto out;
 707
 708         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 709
 710         ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
 711         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
 712
 713 out:
 714         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 715         return ret;
 716 }
 717
 718 /**
 719  *  @brief Set the data rate
 720  *
 721  *  @param priv         A pointer to struct lbs_private structure
 722  *  @param rate         The desired data rate, or 0 to clear a locked rate
 723  *
 724  *  @return             0 on success, error on failure
 725  */
 726 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
 727 {
 728         struct cmd_ds_802_11_data_rate cmd;
 729         int ret = 0;
 730
 731         lbs_deb_enter(LBS_DEB_CMD);
 732
 733         memset(&cmd, 0, sizeof(cmd));
 734         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 735
 736         if (rate > 0) {
 737                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
 738                 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
 739                 if (cmd.rates[0] == 0) {
 740                         lbs_deb_cmd("DATA_RATE: invalid requested rate of"
 741                                     " 0x%02X\n", rate);
 742                         ret = 0;
 743                         goto out;
 744                 }
 745                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
 746         } else {
 747                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
 748                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 749         }
 750
 751         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 752         if (ret)
 753                 goto out;
 754
 755         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 756
 757         /* FIXME: get actual rates FW can do if this command actually returns
 758          * all data rates supported.
 759          */
 760         priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
 761         lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
 762
 763 out:
 764         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 765         return ret;
 766 }
 767
 768 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
 769                                       struct cmd_ds_command *cmd,
 770                                       u16 cmd_action)
 771 {
 772         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 773
 774         lbs_deb_enter(LBS_DEB_CMD);
 775         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 776                              S_DS_GEN);
 777         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 778
 779         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 780         pMCastAdr->action = cpu_to_le16(cmd_action);
 781         pMCastAdr->nr_of_adrs =
 782             cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
 783         memcpy(pMCastAdr->maclist, priv->multicastlist,
 784                priv->nr_of_multicastmacaddr * ETH_ALEN);
 785
 786         lbs_deb_leave(LBS_DEB_CMD);
 787         return 0;
 788 }
 789
 790 /**
 791  *  @brief Get the radio channel
 792  *
 793  *  @param priv         A pointer to struct lbs_private structure
 794  *
 795  *  @return             The channel on success, error on failure
 796  */
 797 int lbs_get_channel(struct lbs_private *priv)
 798 {
 799         struct cmd_ds_802_11_rf_channel cmd;
 800         int ret = 0;
 801
 802         lbs_deb_enter(LBS_DEB_CMD);
 803
 804         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 805         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 806
 807         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 808         if (ret)
 809                 goto out;
 810
 811         ret = le16_to_cpu(cmd.channel);
 812         lbs_deb_cmd("current radio channel is %d\n", ret);
 813
 814 out:
 815         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 816         return ret;
 817 }
 818
 819 /**
 820  *  @brief Set the radio channel
 821  *
 822  *  @param priv         A pointer to struct lbs_private structure
 823  *  @param channel      The desired channel, or 0 to clear a locked channel
 824  *
 825  *  @return             0 on success, error on failure
 826  */
 827 int lbs_set_channel(struct lbs_private *priv, u8 channel)
 828 {
 829         struct cmd_ds_802_11_rf_channel cmd;
 830         u8 old_channel = priv->curbssparams.channel;
 831         int ret = 0;
 832
 833         lbs_deb_enter(LBS_DEB_CMD);
 834
 835         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 836         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
 837         cmd.channel = cpu_to_le16(channel);
 838
 839         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 840         if (ret)
 841                 goto out;
 842
 843         priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
 844         lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
 845                 priv->curbssparams.channel);
 846
 847 out:
 848         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 849         return ret;
 850 }
 851
 852 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 853                                 struct cmd_ds_command *cmd)
 854 {
 855
 856         lbs_deb_enter(LBS_DEB_CMD);
 857         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 858         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 859         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 860
 861         /* reset Beacon SNR/NF/RSSI values */
 862         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 863         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 864         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 865         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 866         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 867         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 868
 869         lbs_deb_leave(LBS_DEB_CMD);
 870         return 0;
 871 }
 872
 873 static int lbs_cmd_reg_access(struct lbs_private *priv,
 874                                struct cmd_ds_command *cmdptr,
 875                                u8 cmd_action, void *pdata_buf)
 876 {
 877         struct lbs_offset_value *offval;
 878
 879         lbs_deb_enter(LBS_DEB_CMD);
 880
 881         offval = (struct lbs_offset_value *)pdata_buf;
 882
 883         switch (le16_to_cpu(cmdptr->command)) {
 884         case CMD_MAC_REG_ACCESS:
 885                 {
 886                         struct cmd_ds_mac_reg_access *macreg;
 887
 888                         cmdptr->size =
 889                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 890                                         + S_DS_GEN);
 891                         macreg =
 892                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 893                             macreg;
 894
 895                         macreg->action = cpu_to_le16(cmd_action);
 896                         macreg->offset = cpu_to_le16((u16) offval->offset);
 897                         macreg->value = cpu_to_le32(offval->value);
 898
 899                         break;
 900                 }
 901
 902         case CMD_BBP_REG_ACCESS:
 903                 {
 904                         struct cmd_ds_bbp_reg_access *bbpreg;
 905
 906                         cmdptr->size =
 907                             cpu_to_le16(sizeof
 908                                              (struct cmd_ds_bbp_reg_access)
 909                                              + S_DS_GEN);
 910                         bbpreg =
 911                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 912                             bbpreg;
 913
 914                         bbpreg->action = cpu_to_le16(cmd_action);
 915                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 916                         bbpreg->value = (u8) offval->value;
 917
 918                         break;
 919                 }
 920
 921         case CMD_RF_REG_ACCESS:
 922                 {
 923                         struct cmd_ds_rf_reg_access *rfreg;
 924
 925                         cmdptr->size =
 926                             cpu_to_le16(sizeof
 927                                              (struct cmd_ds_rf_reg_access) +
 928                                              S_DS_GEN);
 929                         rfreg =
 930                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 931                             rfreg;
 932
 933                         rfreg->action = cpu_to_le16(cmd_action);
 934                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 935                         rfreg->value = (u8) offval->value;
 936
 937                         break;
 938                 }
 939
 940         default:
 941                 break;
 942         }
 943
 944         lbs_deb_leave(LBS_DEB_CMD);
 945         return 0;
 946 }
 947
 948 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 949                                        struct cmd_ds_command *cmd,
 950                                        u16 cmd_action)
 951 {
 952
 953         lbs_deb_enter(LBS_DEB_CMD);
 954         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 955         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 956                              S_DS_GEN);
 957         cmd->result = 0;
 958
 959         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 960
 961         if (cmd_action == CMD_ACT_SET) {
 962                 memcpy(cmd->params.macadd.macadd,
 963                        priv->current_addr, ETH_ALEN);
 964                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
 965         }
 966
 967         lbs_deb_leave(LBS_DEB_CMD);
 968         return 0;
 969 }
 970
 971 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
 972                                          struct cmd_ds_command *cmd,
 973                                          int cmd_action, void *pdata_buf)
 974 {
 975         struct lbs_ioctl_regrdwr *ea = pdata_buf;
 976
 977         lbs_deb_enter(LBS_DEB_CMD);
 978
 979         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
 980         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
 981                                 S_DS_GEN);
 982         cmd->result = 0;
 983
 984         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
 985         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
 986         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
 987         cmd->params.rdeeprom.value = 0;
 988
 989         lbs_deb_leave(LBS_DEB_CMD);
 990         return 0;
 991 }
 992
 993 static int lbs_cmd_bt_access(struct lbs_private *priv,
 994                                struct cmd_ds_command *cmd,
 995                                u16 cmd_action, void *pdata_buf)
 996 {
 997         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
 998         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 999
1000         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1001         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1002         cmd->result = 0;
1003         bt_access->action = cpu_to_le16(cmd_action);
1004
1005         switch (cmd_action) {
1006         case CMD_ACT_BT_ACCESS_ADD:
1007                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1008                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1009                 break;
1010         case CMD_ACT_BT_ACCESS_DEL:
1011                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1012                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1013                 break;
1014         case CMD_ACT_BT_ACCESS_LIST:
1015                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1016                 break;
1017         case CMD_ACT_BT_ACCESS_RESET:
1018                 break;
1019         case CMD_ACT_BT_ACCESS_SET_INVERT:
1020                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1021                 break;
1022         case CMD_ACT_BT_ACCESS_GET_INVERT:
1023                 break;
1024         default:
1025                 break;
1026         }
1027         lbs_deb_leave(LBS_DEB_CMD);
1028         return 0;
1029 }
1030
1031 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1032                                struct cmd_ds_command *cmd,
1033                                u16 cmd_action, void *pdata_buf)
1034 {
1035         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1036         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1037
1038         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1039         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1040         cmd->result = 0;
1041
1042         if (pdata_buf)
1043                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1044         else
1045                 memset(fwt_access, 0, sizeof(*fwt_access));
1046
1047         fwt_access->action = cpu_to_le16(cmd_action);
1048
1049         lbs_deb_leave(LBS_DEB_CMD);
1050         return 0;
1051 }
1052
1053 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1054                     struct cmd_ds_mesh_access *cmd)
1055 {
1056         int ret;
1057
1058         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1059
1060         cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1061         cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1062         cmd->hdr.result = 0;
1063
1064         cmd->action = cpu_to_le16(cmd_action);
1065
1066         ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1067
1068         lbs_deb_leave(LBS_DEB_CMD);
1069         return ret;
1070 }
1071
1072 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1073 {
1074         struct cmd_ds_mesh_config cmd;
1075
1076         memset(&cmd, 0, sizeof(cmd));
1077         cmd.action = cpu_to_le16(enable);
1078         cmd.channel = cpu_to_le16(chan);
1079         cmd.type = cpu_to_le16(priv->mesh_tlv);
1080         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1081
1082         if (enable) {
1083                 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1084                 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1085         }
1086         lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1087                     enable, priv->mesh_tlv, chan,
1088                     escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1089         return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1090 }
1091
1092 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1093                                 struct cmd_ds_command *cmd,
1094                                 u16 cmd_action)
1095 {
1096         struct cmd_ds_802_11_beacon_control
1097                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1098
1099         lbs_deb_enter(LBS_DEB_CMD);
1100         cmd->size =
1101             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1102                              + S_DS_GEN);
1103         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1104
1105         bcn_ctrl->action = cpu_to_le16(cmd_action);
1106         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1107         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1108
1109         lbs_deb_leave(LBS_DEB_CMD);
1110         return 0;
1111 }
1112
1113 static void lbs_queue_cmd(struct lbs_private *priv,
1114                           struct cmd_ctrl_node *cmdnode)
1115 {
1116         unsigned long flags;
1117         int addtail = 1;
1118
1119         lbs_deb_enter(LBS_DEB_HOST);
1120
1121         if (!cmdnode) {
1122                 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1123                 goto done;
1124         }
1125         if (!cmdnode->cmdbuf->size) {
1126                 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1127                 goto done;
1128         }
1129         cmdnode->result = 0;
1130
1131         /* Exit_PS command needs to be queued in the header always. */
1132         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1133                 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1134
1135                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1136                         if (priv->psstate != PS_STATE_FULL_POWER)
1137                                 addtail = 0;
1138                 }
1139         }
1140
1141         spin_lock_irqsave(&priv->driver_lock, flags);
1142
1143         if (addtail)
1144                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1145         else
1146                 list_add(&cmdnode->list, &priv->cmdpendingq);
1147
1148         spin_unlock_irqrestore(&priv->driver_lock, flags);
1149
1150         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1151                      le16_to_cpu(cmdnode->cmdbuf->command));
1152
1153 done:
1154         lbs_deb_leave(LBS_DEB_HOST);
1155 }
1156
1157 static void lbs_submit_command(struct lbs_private *priv,
1158                                struct cmd_ctrl_node *cmdnode)
1159 {
1160         unsigned long flags;
1161         struct cmd_header *cmd;
1162         uint16_t cmdsize;
1163         uint16_t command;
1164         int timeo = 5 * HZ;
1165         int ret;
1166
1167         lbs_deb_enter(LBS_DEB_HOST);
1168
1169         cmd = cmdnode->cmdbuf;
1170
1171         spin_lock_irqsave(&priv->driver_lock, flags);
1172         priv->cur_cmd = cmdnode;
1173         priv->cur_cmd_retcode = 0;
1174         spin_unlock_irqrestore(&priv->driver_lock, flags);
1175
1176         cmdsize = le16_to_cpu(cmd->size);
1177         command = le16_to_cpu(cmd->command);
1178
1179         /* These commands take longer */
1180         if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1181             command == CMD_802_11_AUTHENTICATE)
1182                 timeo = 10 * HZ;
1183
1184         lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1185                      command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1186         lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1187
1188         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1189
1190         if (ret) {
1191                 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1192                 /* Let the timer kick in and retry, and potentially reset
1193                    the whole thing if the condition persists */
1194                 timeo = HZ;
1195         }
1196
1197         /* Setup the timer after transmit command */
1198         mod_timer(&priv->command_timer, jiffies + timeo);
1199
1200         lbs_deb_leave(LBS_DEB_HOST);
1201 }
1202
1203 /**
1204  *  This function inserts command node to cmdfreeq
1205  *  after cleans it. Requires priv->driver_lock held.
1206  */
1207 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1208                                          struct cmd_ctrl_node *cmdnode)
1209 {
1210         lbs_deb_enter(LBS_DEB_HOST);
1211
1212         if (!cmdnode)
1213                 goto out;
1214
1215         cmdnode->callback = NULL;
1216         cmdnode->callback_arg = 0;
1217
1218         memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1219
1220         list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1221  out:
1222         lbs_deb_leave(LBS_DEB_HOST);
1223 }
1224
1225 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1226         struct cmd_ctrl_node *ptempcmd)
1227 {
1228         unsigned long flags;
1229
1230         spin_lock_irqsave(&priv->driver_lock, flags);
1231         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1232         spin_unlock_irqrestore(&priv->driver_lock, flags);
1233 }
1234
1235 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1236                           int result)
1237 {
1238         if (cmd == priv->cur_cmd)
1239                 priv->cur_cmd_retcode = result;
1240
1241         cmd->result = result;
1242         cmd->cmdwaitqwoken = 1;
1243         wake_up_interruptible(&cmd->cmdwait_q);
1244
1245         if (!cmd->callback)
1246                 __lbs_cleanup_and_insert_cmd(priv, cmd);
1247         priv->cur_cmd = NULL;
1248 }
1249
1250 int lbs_set_radio_control(struct lbs_private *priv)
1251 {
1252         int ret = 0;
1253         struct cmd_ds_802_11_radio_control cmd;
1254
1255         lbs_deb_enter(LBS_DEB_CMD);
1256
1257         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1258         cmd.action = cpu_to_le16(CMD_ACT_SET);
1259
1260         switch (priv->preamble) {
1261         case CMD_TYPE_SHORT_PREAMBLE:
1262                 cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
1263                 break;
1264
1265         case CMD_TYPE_LONG_PREAMBLE:
1266                 cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
1267                 break;
1268
1269         case CMD_TYPE_AUTO_PREAMBLE:
1270         default:
1271                 cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
1272                 break;
1273         }
1274
1275         if (priv->radioon)
1276                 cmd.control |= cpu_to_le16(TURN_ON_RF);
1277         else
1278                 cmd.control &= cpu_to_le16(~TURN_ON_RF);
1279
1280         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
1281                     priv->preamble);
1282
1283         ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1284
1285         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1286         return ret;
1287 }
1288
1289 int lbs_set_mac_control(struct lbs_private *priv)
1290 {
1291         int ret = 0;
1292         struct cmd_ds_mac_control cmd;
1293
1294         lbs_deb_enter(LBS_DEB_CMD);
1295
1296         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1297         cmd.action = cpu_to_le16(priv->mac_control);
1298         cmd.reserved = 0;
1299
1300         ret = lbs_cmd_with_response(priv, CMD_MAC_CONTROL, &cmd);
1301
1302         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1303         return ret;
1304 }
1305
1306 /**
1307  *  @brief This function prepare the command before send to firmware.
1308  *
1309  *  @param priv         A pointer to struct lbs_private structure
1310  *  @param cmd_no       command number
1311  *  @param cmd_action   command action: GET or SET
1312  *  @param wait_option  wait option: wait response or not
1313  *  @param cmd_oid      cmd oid: treated as sub command
1314  *  @param pdata_buf    A pointer to informaion buffer
1315  *  @return             0 or -1
1316  */
1317 int lbs_prepare_and_send_command(struct lbs_private *priv,
1318                           u16 cmd_no,
1319                           u16 cmd_action,
1320                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1321 {
1322         int ret = 0;
1323         struct cmd_ctrl_node *cmdnode;
1324         struct cmd_ds_command *cmdptr;
1325         unsigned long flags;
1326
1327         lbs_deb_enter(LBS_DEB_HOST);
1328
1329         if (!priv) {
1330                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1331                 ret = -1;
1332                 goto done;
1333         }
1334
1335         if (priv->surpriseremoved) {
1336                 lbs_deb_host("PREP_CMD: card removed\n");
1337                 ret = -1;
1338                 goto done;
1339         }
1340
1341         cmdnode = lbs_get_cmd_ctrl_node(priv);
1342
1343         if (cmdnode == NULL) {
1344                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1345
1346                 /* Wake up main thread to execute next command */
1347                 wake_up_interruptible(&priv->waitq);
1348                 ret = -1;
1349                 goto done;
1350         }
1351
1352         lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1353
1354         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1355
1356         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1357
1358         /* Set sequence number, command and INT option */
1359         priv->seqnum++;
1360         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1361
1362         cmdptr->command = cpu_to_le16(cmd_no);
1363         cmdptr->result = 0;
1364
1365         switch (cmd_no) {
1366         case CMD_802_11_PS_MODE:
1367                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1368                 break;
1369
1370         case CMD_802_11_ASSOCIATE:
1371         case CMD_802_11_REASSOCIATE:
1372                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1373                 break;
1374
1375         case CMD_802_11_DEAUTHENTICATE:
1376                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1377                 break;
1378
1379         case CMD_802_11_AD_HOC_START:
1380                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1381                 break;
1382
1383         case CMD_802_11_RESET:
1384                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1385                 break;
1386
1387         case CMD_802_11_GET_LOG:
1388                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1389                 break;
1390
1391         case CMD_802_11_AUTHENTICATE:
1392                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1393                 break;
1394
1395         case CMD_802_11_GET_STAT:
1396                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1397                 break;
1398
1399         case CMD_802_11_SNMP_MIB:
1400                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1401                                                cmd_action, cmd_oid, pdata_buf);
1402                 break;
1403
1404         case CMD_MAC_REG_ACCESS:
1405         case CMD_BBP_REG_ACCESS:
1406         case CMD_RF_REG_ACCESS:
1407                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1408                 break;
1409
1410         case CMD_802_11_RF_TX_POWER:
1411                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1412                                                   cmd_action, pdata_buf);
1413                 break;
1414
1415         case CMD_802_11_RATE_ADAPT_RATESET:
1416                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1417                                                          cmdptr, cmd_action);
1418                 break;
1419
1420         case CMD_MAC_MULTICAST_ADR:
1421                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1422                 break;
1423
1424         case CMD_802_11_MONITOR_MODE:
1425                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1426                                           cmd_action, pdata_buf);
1427                 break;
1428
1429         case CMD_802_11_AD_HOC_JOIN:
1430                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1431                 break;
1432
1433         case CMD_802_11_RSSI:
1434                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1435                 break;
1436
1437         case CMD_802_11_AD_HOC_STOP:
1438                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1439                 break;
1440
1441         case CMD_802_11_MAC_ADDRESS:
1442                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1443                 break;
1444
1445         case CMD_802_11_EEPROM_ACCESS:
1446                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1447                                                     cmd_action, pdata_buf);
1448                 break;
1449
1450         case CMD_802_11_SET_AFC:
1451         case CMD_802_11_GET_AFC:
1452
1453                 cmdptr->command = cpu_to_le16(cmd_no);
1454                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1455                                            S_DS_GEN);
1456
1457                 memmove(&cmdptr->params.afc,
1458                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1459
1460                 ret = 0;
1461                 goto done;
1462
1463         case CMD_802_11D_DOMAIN_INFO:
1464                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1465                                                    cmd_no, cmd_action);
1466                 break;
1467
1468         case CMD_802_11_TPC_CFG:
1469                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1470                 cmdptr->size =
1471                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1472                                      S_DS_GEN);
1473
1474                 memmove(&cmdptr->params.tpccfg,
1475                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1476
1477                 ret = 0;
1478                 break;
1479         case CMD_802_11_LED_GPIO_CTRL:
1480                 {
1481                         struct mrvlietypes_ledgpio *gpio =
1482                             (struct mrvlietypes_ledgpio*)
1483                             cmdptr->params.ledgpio.data;
1484
1485                         memmove(&cmdptr->params.ledgpio,
1486                                 pdata_buf,
1487                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1488
1489                         cmdptr->command =
1490                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1491
1492 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1493                         cmdptr->size =
1494                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1495                                 + S_DS_GEN
1496                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1497                         gpio->header.len = gpio->header.len;
1498
1499                         ret = 0;
1500                         break;
1501                 }
1502
1503         case CMD_802_11_PWR_CFG:
1504                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1505                 cmdptr->size =
1506                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1507                                      S_DS_GEN);
1508                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1509                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1510
1511                 ret = 0;
1512                 break;
1513         case CMD_BT_ACCESS:
1514                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1515                 break;
1516
1517         case CMD_FWT_ACCESS:
1518                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1519                 break;
1520
1521         case CMD_GET_TSF:
1522                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1523                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1524                                            S_DS_GEN);
1525                 ret = 0;
1526                 break;
1527         case CMD_802_11_BEACON_CTRL:
1528                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1529                 break;
1530         default:
1531                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1532                 ret = -1;
1533                 break;
1534         }
1535
1536         /* return error, since the command preparation failed */
1537         if (ret != 0) {
1538                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1539                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1540                 ret = -1;
1541                 goto done;
1542         }
1543
1544         cmdnode->cmdwaitqwoken = 0;
1545
1546         lbs_queue_cmd(priv, cmdnode);
1547         wake_up_interruptible(&priv->waitq);
1548
1549         if (wait_option & CMD_OPTION_WAITFORRSP) {
1550                 lbs_deb_host("PREP_CMD: wait for response\n");
1551                 might_sleep();
1552                 wait_event_interruptible(cmdnode->cmdwait_q,
1553                                          cmdnode->cmdwaitqwoken);
1554         }
1555
1556         spin_lock_irqsave(&priv->driver_lock, flags);
1557         if (priv->cur_cmd_retcode) {
1558                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1559                        priv->cur_cmd_retcode);
1560                 priv->cur_cmd_retcode = 0;
1561                 ret = -1;
1562         }
1563         spin_unlock_irqrestore(&priv->driver_lock, flags);
1564
1565 done:
1566         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1567         return ret;
1568 }
1569
1570 /**
1571  *  @brief This function allocates the command buffer and link
1572  *  it to command free queue.
1573  *
1574  *  @param priv         A pointer to struct lbs_private structure
1575  *  @return             0 or -1
1576  */
1577 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1578 {
1579         int ret = 0;
1580         u32 bufsize;
1581         u32 i;
1582         struct cmd_ctrl_node *cmdarray;
1583
1584         lbs_deb_enter(LBS_DEB_HOST);
1585
1586         /* Allocate and initialize the command array */
1587         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1588         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1589                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1590                 ret = -1;
1591                 goto done;
1592         }
1593         priv->cmd_array = cmdarray;
1594
1595         /* Allocate and initialize each command buffer in the command array */
1596         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1597                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1598                 if (!cmdarray[i].cmdbuf) {
1599                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1600                         ret = -1;
1601                         goto done;
1602                 }
1603         }
1604
1605         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1606                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1607                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1608         }
1609         ret = 0;
1610
1611 done:
1612         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1613         return ret;
1614 }
1615
1616 /**
1617  *  @brief This function frees the command buffer.
1618  *
1619  *  @param priv         A pointer to struct lbs_private structure
1620  *  @return             0 or -1
1621  */
1622 int lbs_free_cmd_buffer(struct lbs_private *priv)
1623 {
1624         struct cmd_ctrl_node *cmdarray;
1625         unsigned int i;
1626
1627         lbs_deb_enter(LBS_DEB_HOST);
1628
1629         /* need to check if cmd array is allocated or not */
1630         if (priv->cmd_array == NULL) {
1631                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1632                 goto done;
1633         }
1634
1635         cmdarray = priv->cmd_array;
1636
1637         /* Release shared memory buffers */
1638         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1639                 if (cmdarray[i].cmdbuf) {
1640                         kfree(cmdarray[i].cmdbuf);
1641                         cmdarray[i].cmdbuf = NULL;
1642                 }
1643         }
1644
1645         /* Release cmd_ctrl_node */
1646         if (priv->cmd_array) {
1647                 kfree(priv->cmd_array);
1648                 priv->cmd_array = NULL;
1649         }
1650
1651 done:
1652         lbs_deb_leave(LBS_DEB_HOST);
1653         return 0;
1654 }
1655
1656 /**
1657  *  @brief This function gets a free command node if available in
1658  *  command free queue.
1659  *
1660  *  @param priv         A pointer to struct lbs_private structure
1661  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1662  */
1663 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1664 {
1665         struct cmd_ctrl_node *tempnode;
1666         unsigned long flags;
1667
1668         lbs_deb_enter(LBS_DEB_HOST);
1669
1670         if (!priv)
1671                 return NULL;
1672
1673         spin_lock_irqsave(&priv->driver_lock, flags);
1674
1675         if (!list_empty(&priv->cmdfreeq)) {
1676                 tempnode = list_first_entry(&priv->cmdfreeq,
1677                                             struct cmd_ctrl_node, list);
1678                 list_del(&tempnode->list);
1679         } else {
1680                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1681                 tempnode = NULL;
1682         }
1683
1684         spin_unlock_irqrestore(&priv->driver_lock, flags);
1685
1686         lbs_deb_leave(LBS_DEB_HOST);
1687         return tempnode;
1688 }
1689
1690 /**
1691  *  @brief This function cleans command node.
1692  *
1693  *  @param ptempnode    A pointer to cmdCtrlNode structure
1694  *  @return             n/a
1695  */
1696
1697 /**
1698  *  @brief This function initializes the command node.
1699  *
1700  *  @param priv         A pointer to struct lbs_private structure
1701  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1702  *  @param pdata_buf    A pointer to informaion buffer
1703  *  @return             0 or -1
1704  */
1705 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1706                                   struct cmd_ctrl_node *ptempnode,
1707                                   void *pdata_buf)
1708 {
1709         lbs_deb_enter(LBS_DEB_HOST);
1710
1711         if (!ptempnode)
1712                 return;
1713
1714         ptempnode->callback = NULL;
1715         ptempnode->callback_arg = (unsigned long)pdata_buf;
1716
1717         lbs_deb_leave(LBS_DEB_HOST);
1718 }
1719
1720 /**
1721  *  @brief This function executes next command in command
1722  *  pending queue. It will put fimware back to PS mode
1723  *  if applicable.
1724  *
1725  *  @param priv     A pointer to struct lbs_private structure
1726  *  @return        0 or -1
1727  */
1728 int lbs_execute_next_command(struct lbs_private *priv)
1729 {
1730         struct cmd_ctrl_node *cmdnode = NULL;
1731         struct cmd_header *cmd;
1732         unsigned long flags;
1733         int ret = 0;
1734
1735         /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1736          * only caller to us is lbs_thread() and we get even when a
1737          * data packet is received */
1738         lbs_deb_enter(LBS_DEB_THREAD);
1739
1740         spin_lock_irqsave(&priv->driver_lock, flags);
1741
1742         if (priv->cur_cmd) {
1743                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1744                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1745                 ret = -1;
1746                 goto done;
1747         }
1748
1749         if (!list_empty(&priv->cmdpendingq)) {
1750                 cmdnode = list_first_entry(&priv->cmdpendingq,
1751                                            struct cmd_ctrl_node, list);
1752         }
1753
1754         spin_unlock_irqrestore(&priv->driver_lock, flags);
1755
1756         if (cmdnode) {
1757                 cmd = cmdnode->cmdbuf;
1758
1759                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1760                         if ((priv->psstate == PS_STATE_SLEEP) ||
1761                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1762                                 lbs_deb_host(
1763                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1764                                        le16_to_cpu(cmd->command),
1765                                        priv->psstate);
1766                                 ret = -1;
1767                                 goto done;
1768                         }
1769                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1770                                      "0x%04x in psstate %d\n",
1771                                      le16_to_cpu(cmd->command), priv->psstate);
1772                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1773                         /*
1774                          * 1. Non-PS command:
1775                          * Queue it. set needtowakeup to TRUE if current state
1776                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1777                          * 2. PS command but not Exit_PS:
1778                          * Ignore it.
1779                          * 3. PS command Exit_PS:
1780                          * Set needtowakeup to TRUE if current state is SLEEP,
1781                          * otherwise send this command down to firmware
1782                          * immediately.
1783                          */
1784                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1785                                 /*  Prepare to send Exit PS,
1786                                  *  this non PS command will be sent later */
1787                                 if ((priv->psstate == PS_STATE_SLEEP)
1788                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1789                                     ) {
1790                                         /* w/ new scheme, it will not reach here.
1791                                            since it is blocked in main_thread. */
1792                                         priv->needtowakeup = 1;
1793                                 } else
1794                                         lbs_ps_wakeup(priv, 0);
1795
1796                                 ret = 0;
1797                                 goto done;
1798                         } else {
1799                                 /*
1800                                  * PS command. Ignore it if it is not Exit_PS.
1801                                  * otherwise send it down immediately.
1802                                  */
1803                                 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1804
1805                                 lbs_deb_host(
1806                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1807                                        psm->action);
1808                                 if (psm->action !=
1809                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1810                                         lbs_deb_host(
1811                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1812                                         list_del(&cmdnode->list);
1813                                         spin_lock_irqsave(&priv->driver_lock, flags);
1814                                         lbs_complete_command(priv, cmdnode, 0);
1815                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1816
1817                                         ret = 0;
1818                                         goto done;
1819                                 }
1820
1821                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1822                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1823                                         lbs_deb_host(
1824                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1825                                         list_del(&cmdnode->list);
1826                                         spin_lock_irqsave(&priv->driver_lock, flags);
1827                                         lbs_complete_command(priv, cmdnode, 0);
1828                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1829                                         priv->needtowakeup = 1;
1830
1831                                         ret = 0;
1832                                         goto done;
1833                                 }
1834
1835                                 lbs_deb_host(
1836                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1837                         }
1838                 }
1839                 list_del(&cmdnode->list);
1840                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1841                             le16_to_cpu(cmd->command));
1842                 lbs_submit_command(priv, cmdnode);
1843         } else {
1844                 /*
1845                  * check if in power save mode, if yes, put the device back
1846                  * to PS mode
1847                  */
1848                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1849                     (priv->psstate == PS_STATE_FULL_POWER) &&
1850                     ((priv->connect_status == LBS_CONNECTED) ||
1851                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1852                         if (priv->secinfo.WPAenabled ||
1853                             priv->secinfo.WPA2enabled) {
1854                                 /* check for valid WPA group keys */
1855                                 if (priv->wpa_mcast_key.len ||
1856                                     priv->wpa_unicast_key.len) {
1857                                         lbs_deb_host(
1858                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1859                                                " go back to PS_SLEEP");
1860                                         lbs_ps_sleep(priv, 0);
1861                                 }
1862                         } else {
1863                                 lbs_deb_host(
1864                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1865                                        "go back to PS_SLEEP");
1866                                 lbs_ps_sleep(priv, 0);
1867                         }
1868                 }
1869         }
1870
1871         ret = 0;
1872 done:
1873         lbs_deb_leave(LBS_DEB_THREAD);
1874         return ret;
1875 }
1876
1877 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1878 {
1879         union iwreq_data iwrq;
1880         u8 buf[50];
1881
1882         lbs_deb_enter(LBS_DEB_WEXT);
1883
1884         memset(&iwrq, 0, sizeof(union iwreq_data));
1885         memset(buf, 0, sizeof(buf));
1886
1887         snprintf(buf, sizeof(buf) - 1, "%s", str);
1888
1889         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1890
1891         /* Send Event to upper layer */
1892         lbs_deb_wext("event indication string %s\n", (char *)buf);
1893         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1894         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1895
1896         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1897
1898         lbs_deb_leave(LBS_DEB_WEXT);
1899 }
1900
1901 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1902 {
1903         unsigned long flags;
1904         int ret = 0;
1905
1906         lbs_deb_enter(LBS_DEB_HOST);
1907
1908         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1909                size);
1910
1911         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1912
1913         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1914
1915         spin_lock_irqsave(&priv->driver_lock, flags);
1916         if (priv->intcounter || priv->currenttxskb)
1917                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1918                        priv->intcounter, priv->currenttxskb);
1919         spin_unlock_irqrestore(&priv->driver_lock, flags);
1920
1921         if (ret) {
1922                 lbs_pr_alert(
1923                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1924         } else {
1925                 spin_lock_irqsave(&priv->driver_lock, flags);
1926                 if (!priv->intcounter) {
1927                         priv->psstate = PS_STATE_SLEEP;
1928                 } else {
1929                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1930                                priv->intcounter);
1931                 }
1932                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1933
1934                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1935         }
1936
1937         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1938         return ret;
1939 }
1940
1941 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1942 {
1943         lbs_deb_enter(LBS_DEB_HOST);
1944
1945         /*
1946          * PS is currently supported only in Infrastructure mode
1947          * Remove this check if it is to be supported in IBSS mode also
1948          */
1949
1950         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1951                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1952
1953         lbs_deb_leave(LBS_DEB_HOST);
1954 }
1955
1956 /**
1957  *  @brief This function sends Exit_PS command to firmware.
1958  *
1959  *  @param priv         A pointer to struct lbs_private structure
1960  *  @param wait_option  wait response or not
1961  *  @return             n/a
1962  */
1963 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1964 {
1965         __le32 Localpsmode;
1966
1967         lbs_deb_enter(LBS_DEB_HOST);
1968
1969         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1970
1971         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1972                               CMD_SUBCMD_EXIT_PS,
1973                               wait_option, 0, &Localpsmode);
1974
1975         lbs_deb_leave(LBS_DEB_HOST);
1976 }
1977
1978 /**
1979  *  @brief This function checks condition and prepares to
1980  *  send sleep confirm command to firmware if ok.
1981  *
1982  *  @param priv         A pointer to struct lbs_private structure
1983  *  @param psmode       Power Saving mode
1984  *  @return             n/a
1985  */
1986 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
1987 {
1988         unsigned long flags =0;
1989         u8 allowed = 1;
1990
1991         lbs_deb_enter(LBS_DEB_HOST);
1992
1993         if (priv->dnld_sent) {
1994                 allowed = 0;
1995                 lbs_deb_host("dnld_sent was set\n");
1996         }
1997
1998         spin_lock_irqsave(&priv->driver_lock, flags);
1999         if (priv->cur_cmd) {
2000                 allowed = 0;
2001                 lbs_deb_host("cur_cmd was set\n");
2002         }
2003         if (priv->intcounter > 0) {
2004                 allowed = 0;
2005                 lbs_deb_host("intcounter %d\n", priv->intcounter);
2006         }
2007         spin_unlock_irqrestore(&priv->driver_lock, flags);
2008
2009         if (allowed) {
2010                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2011                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2012                                  sizeof(struct PS_CMD_ConfirmSleep));
2013         } else {
2014                 lbs_deb_host("sleep confirm has been delayed\n");
2015         }
2016
2017         lbs_deb_leave(LBS_DEB_HOST);
2018 }
2019
2020
2021 /**
2022  *  @brief Simple callback that copies response back into command
2023  *
2024  *  @param priv         A pointer to struct lbs_private structure
2025  *  @param extra        A pointer to the original command structure for which
2026  *                      'resp' is a response
2027  *  @param resp         A pointer to the command response
2028  *
2029  *  @return             0 on success, error on failure
2030  */
2031 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2032                      struct cmd_header *resp)
2033 {
2034         struct cmd_header *buf = (void *)extra;
2035         uint16_t copy_len;
2036
2037         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2038         memcpy(buf, resp, copy_len);
2039         return 0;
2040 }
2041 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
2042
2043 struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2044                                       struct cmd_header *in_cmd, int in_cmd_size,
2045                                       int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2046                                       unsigned long callback_arg)
2047 {
2048         struct cmd_ctrl_node *cmdnode;
2049
2050         lbs_deb_enter(LBS_DEB_HOST);
2051
2052         if (priv->surpriseremoved) {
2053                 lbs_deb_host("PREP_CMD: card removed\n");
2054                 cmdnode = ERR_PTR(-ENOENT);
2055                 goto done;
2056         }
2057
2058         cmdnode = lbs_get_cmd_ctrl_node(priv);
2059         if (cmdnode == NULL) {
2060                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2061
2062                 /* Wake up main thread to execute next command */
2063                 wake_up_interruptible(&priv->waitq);
2064                 cmdnode = ERR_PTR(-ENOBUFS);
2065                 goto done;
2066         }
2067
2068         cmdnode->callback = callback;
2069         cmdnode->callback_arg = callback_arg;
2070
2071         /* Copy the incoming command to the buffer */
2072         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2073
2074         /* Set sequence number, clean result, move to buffer */
2075         priv->seqnum++;
2076         cmdnode->cmdbuf->command = cpu_to_le16(command);
2077         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2078         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2079         cmdnode->cmdbuf->result  = 0;
2080
2081         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2082
2083         /* here was the big old switch() statement, which is now obsolete,
2084          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2085
2086         cmdnode->cmdwaitqwoken = 0;
2087         lbs_queue_cmd(priv, cmdnode);
2088         wake_up_interruptible(&priv->waitq);
2089
2090  done:
2091         lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2092         return cmdnode;
2093 }
2094
2095 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2096               struct cmd_header *in_cmd, int in_cmd_size,
2097               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2098               unsigned long callback_arg)
2099 {
2100         struct cmd_ctrl_node *cmdnode;
2101         unsigned long flags;
2102         int ret = 0;
2103
2104         lbs_deb_enter(LBS_DEB_HOST);
2105
2106         cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2107                                   callback, callback_arg);
2108         if (IS_ERR(cmdnode)) {
2109                 ret = PTR_ERR(cmdnode);
2110                 goto done;
2111         }
2112
2113         might_sleep();
2114         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2115
2116         spin_lock_irqsave(&priv->driver_lock, flags);
2117         ret = cmdnode->result;
2118         if (ret)
2119                 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2120                             command, ret);
2121
2122         __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2123         spin_unlock_irqrestore(&priv->driver_lock, flags);
2124
2125 done:
2126         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2127         return ret;
2128 }
2129 EXPORT_SYMBOL_GPL(__lbs_cmd);
2130
2131