drivers/net/wireless/microchip/wilc1000/hif.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
   4  * All rights reserved.
   5  */
   6
   7 #include "netdev.h"
   8
   9 #define WILC_HIF_SCAN_TIMEOUT_MS                5000
  10 #define WILC_HIF_CONNECT_TIMEOUT_MS             9500
  11
  12 #define WILC_FALSE_FRMWR_CHANNEL                100
  13
  14 #define WILC_SCAN_WID_LIST_SIZE         6
  15
  16 struct wilc_rcvd_mac_info {
  17         u8 status;
  18 };
  19
  20 struct wilc_set_multicast {
  21         u32 enabled;
  22         u32 cnt;
  23         u8 *mc_list;
  24 };
  25
  26 struct wilc_del_all_sta {
  27         u8 assoc_sta;
  28         u8 mac[WILC_MAX_NUM_STA][ETH_ALEN];
  29 };
  30
  31 union wilc_message_body {
  32         struct wilc_rcvd_net_info net_info;
  33         struct wilc_rcvd_mac_info mac_info;
  34         struct wilc_set_multicast mc_info;
  35         struct wilc_remain_ch remain_on_ch;
  36         char *data;
  37 };
  38
  39 struct host_if_msg {
  40         union wilc_message_body body;
  41         struct wilc_vif *vif;
  42         struct work_struct work;
  43         void (*fn)(struct work_struct *ws);
  44         struct completion work_comp;
  45         bool is_sync;
  46 };
  47
  48 /* 'msg' should be free by the caller for syc */
  49 static struct host_if_msg*
  50 wilc_alloc_work(struct wilc_vif *vif, void (*work_fun)(struct work_struct *),
  51                 bool is_sync)
  52 {
  53         struct host_if_msg *msg;
  54
  55         if (!work_fun)
  56                 return ERR_PTR(-EINVAL);
  57
  58         msg = kzalloc(sizeof(*msg), GFP_ATOMIC);
  59         if (!msg)
  60                 return ERR_PTR(-ENOMEM);
  61         msg->fn = work_fun;
  62         msg->vif = vif;
  63         msg->is_sync = is_sync;
  64         if (is_sync)
  65                 init_completion(&msg->work_comp);
  66
  67         return msg;
  68 }
  69
  70 static int wilc_enqueue_work(struct host_if_msg *msg)
  71 {
  72         INIT_WORK(&msg->work, msg->fn);
  73
  74         if (!msg->vif || !msg->vif->wilc || !msg->vif->wilc->hif_workqueue)
  75                 return -EINVAL;
  76
  77         if (!queue_work(msg->vif->wilc->hif_workqueue, &msg->work))
  78                 return -EINVAL;
  79
  80         return 0;
  81 }
  82
  83 /* The idx starts from 0 to (NUM_CONCURRENT_IFC - 1), but 0 index used as
  84  * special purpose in wilc device, so we add 1 to the index to starts from 1.
  85  * As a result, the returned index will be 1 to NUM_CONCURRENT_IFC.
  86  */
  87 int wilc_get_vif_idx(struct wilc_vif *vif)
  88 {
  89         return vif->idx + 1;
  90 }
  91
  92 /* We need to minus 1 from idx which is from wilc device to get real index
  93  * of wilc->vif[], because we add 1 when pass to wilc device in the function
  94  * wilc_get_vif_idx.
  95  * As a result, the index should be between 0 and (NUM_CONCURRENT_IFC - 1).
  96  */
  97 static struct wilc_vif *wilc_get_vif_from_idx(struct wilc *wilc, int idx)
  98 {
  99         int index = idx - 1;
 100         struct wilc_vif *vif;
 101
 102         if (index < 0 || index >= WILC_NUM_CONCURRENT_IFC)
 103                 return NULL;
 104
 105         list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
 106                 if (vif->idx == index)
 107                         return vif;
 108         }
 109
 110         return NULL;
 111 }
 112
 113 static int handle_scan_done(struct wilc_vif *vif, enum scan_event evt)
 114 {
 115         int result = 0;
 116         u8 abort_running_scan;
 117         struct wid wid;
 118         struct host_if_drv *hif_drv = vif->hif_drv;
 119         struct wilc_user_scan_req *scan_req;
 120
 121         if (evt == SCAN_EVENT_ABORTED) {
 122                 abort_running_scan = 1;
 123                 wid.id = WID_ABORT_RUNNING_SCAN;
 124                 wid.type = WID_CHAR;
 125                 wid.val = (s8 *)&abort_running_scan;
 126                 wid.size = sizeof(char);
 127
 128                 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 129                 if (result) {
 130                         netdev_err(vif->ndev, "Failed to set abort running\n");
 131                         result = -EFAULT;
 132                 }
 133         }
 134
 135         if (!hif_drv) {
 136                 netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
 137                 return result;
 138         }
 139
 140         scan_req = &hif_drv->usr_scan_req;
 141         if (scan_req->scan_result) {
 142                 scan_req->scan_result(evt, NULL, scan_req->arg);
 143                 scan_req->scan_result = NULL;
 144         }
 145
 146         return result;
 147 }
 148
 149 int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type,
 150               u8 *ch_freq_list, u8 ch_list_len,
 151               void (*scan_result_fn)(enum scan_event,
 152                                      struct wilc_rcvd_net_info *, void *),
 153               void *user_arg, struct cfg80211_scan_request *request)
 154 {
 155         int result = 0;
 156         struct wid wid_list[WILC_SCAN_WID_LIST_SIZE];
 157         u32 index = 0;
 158         u32 i, scan_timeout;
 159         u8 *buffer;
 160         u8 valuesize = 0;
 161         u8 *search_ssid_vals = NULL;
 162         struct host_if_drv *hif_drv = vif->hif_drv;
 163
 164         if (hif_drv->hif_state >= HOST_IF_SCANNING &&
 165             hif_drv->hif_state < HOST_IF_CONNECTED) {
 166                 netdev_err(vif->ndev, "Already scan\n");
 167                 result = -EBUSY;
 168                 goto error;
 169         }
 170
 171         if (vif->connecting) {
 172                 netdev_err(vif->ndev, "Don't do obss scan\n");
 173                 result = -EBUSY;
 174                 goto error;
 175         }
 176
 177         hif_drv->usr_scan_req.ch_cnt = 0;
 178
 179         if (request->n_ssids) {
 180                 for (i = 0; i < request->n_ssids; i++)
 181                         valuesize += ((request->ssids[i].ssid_len) + 1);
 182                 search_ssid_vals = kmalloc(valuesize + 1, GFP_KERNEL);
 183                 if (search_ssid_vals) {
 184                         wid_list[index].id = WID_SSID_PROBE_REQ;
 185                         wid_list[index].type = WID_STR;
 186                         wid_list[index].val = search_ssid_vals;
 187                         buffer = wid_list[index].val;
 188
 189                         *buffer++ = request->n_ssids;
 190
 191                         for (i = 0; i < request->n_ssids; i++) {
 192                                 *buffer++ = request->ssids[i].ssid_len;
 193                                 memcpy(buffer, request->ssids[i].ssid,
 194                                        request->ssids[i].ssid_len);
 195                                 buffer += request->ssids[i].ssid_len;
 196                         }
 197                         wid_list[index].size = (s32)(valuesize + 1);
 198                         index++;
 199                 }
 200         }
 201
 202         wid_list[index].id = WID_INFO_ELEMENT_PROBE;
 203         wid_list[index].type = WID_BIN_DATA;
 204         wid_list[index].val = (s8 *)request->ie;
 205         wid_list[index].size = request->ie_len;
 206         index++;
 207
 208         wid_list[index].id = WID_SCAN_TYPE;
 209         wid_list[index].type = WID_CHAR;
 210         wid_list[index].size = sizeof(char);
 211         wid_list[index].val = (s8 *)&scan_type;
 212         index++;
 213
 214         if (scan_type == WILC_FW_PASSIVE_SCAN && request->duration) {
 215                 wid_list[index].id = WID_PASSIVE_SCAN_TIME;
 216                 wid_list[index].type = WID_SHORT;
 217                 wid_list[index].size = sizeof(u16);
 218                 wid_list[index].val = (s8 *)&request->duration;
 219                 index++;
 220
 221                 scan_timeout = (request->duration * ch_list_len) + 500;
 222         } else {
 223                 scan_timeout = WILC_HIF_SCAN_TIMEOUT_MS;
 224         }
 225
 226         wid_list[index].id = WID_SCAN_CHANNEL_LIST;
 227         wid_list[index].type = WID_BIN_DATA;
 228
 229         if (ch_freq_list && ch_list_len > 0) {
 230                 for (i = 0; i < ch_list_len; i++) {
 231                         if (ch_freq_list[i] > 0)
 232                                 ch_freq_list[i] -= 1;
 233                 }
 234         }
 235
 236         wid_list[index].val = ch_freq_list;
 237         wid_list[index].size = ch_list_len;
 238         index++;
 239
 240         wid_list[index].id = WID_START_SCAN_REQ;
 241         wid_list[index].type = WID_CHAR;
 242         wid_list[index].size = sizeof(char);
 243         wid_list[index].val = (s8 *)&scan_source;
 244         index++;
 245
 246         hif_drv->usr_scan_req.scan_result = scan_result_fn;
 247         hif_drv->usr_scan_req.arg = user_arg;
 248
 249         result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, index);
 250         if (result) {
 251                 netdev_err(vif->ndev, "Failed to send scan parameters\n");
 252                 goto error;
 253         }
 254
 255         hif_drv->scan_timer_vif = vif;
 256         mod_timer(&hif_drv->scan_timer,
 257                   jiffies + msecs_to_jiffies(scan_timeout));
 258
 259 error:
 260
 261         kfree(search_ssid_vals);
 262
 263         return result;
 264 }
 265
 266 static int wilc_send_connect_wid(struct wilc_vif *vif)
 267 {
 268         int result = 0;
 269         struct wid wid_list[4];
 270         u32 wid_cnt = 0;
 271         struct host_if_drv *hif_drv = vif->hif_drv;
 272         struct wilc_conn_info *conn_attr = &hif_drv->conn_info;
 273         struct wilc_join_bss_param *bss_param = conn_attr->param;
 274
 275         wid_list[wid_cnt].id = WID_INFO_ELEMENT_ASSOCIATE;
 276         wid_list[wid_cnt].type = WID_BIN_DATA;
 277         wid_list[wid_cnt].val = conn_attr->req_ies;
 278         wid_list[wid_cnt].size = conn_attr->req_ies_len;
 279         wid_cnt++;
 280
 281         wid_list[wid_cnt].id = WID_11I_MODE;
 282         wid_list[wid_cnt].type = WID_CHAR;
 283         wid_list[wid_cnt].size = sizeof(char);
 284         wid_list[wid_cnt].val = (s8 *)&conn_attr->security;
 285         wid_cnt++;
 286
 287         wid_list[wid_cnt].id = WID_AUTH_TYPE;
 288         wid_list[wid_cnt].type = WID_CHAR;
 289         wid_list[wid_cnt].size = sizeof(char);
 290         wid_list[wid_cnt].val = (s8 *)&conn_attr->auth_type;
 291         wid_cnt++;
 292
 293         wid_list[wid_cnt].id = WID_JOIN_REQ_EXTENDED;
 294         wid_list[wid_cnt].type = WID_STR;
 295         wid_list[wid_cnt].size = sizeof(*bss_param);
 296         wid_list[wid_cnt].val = (u8 *)bss_param;
 297         wid_cnt++;
 298
 299         result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, wid_cnt);
 300         if (result) {
 301                 netdev_err(vif->ndev, "failed to send config packet\n");
 302                 goto error;
 303         } else {
 304                 hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP;
 305         }
 306
 307         return 0;
 308
 309 error:
 310
 311         kfree(conn_attr->req_ies);
 312         conn_attr->req_ies = NULL;
 313
 314         return result;
 315 }
 316
 317 static void handle_connect_timeout(struct work_struct *work)
 318 {
 319         struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 320         struct wilc_vif *vif = msg->vif;
 321         int result;
 322         struct wid wid;
 323         u16 dummy_reason_code = 0;
 324         struct host_if_drv *hif_drv = vif->hif_drv;
 325
 326         if (!hif_drv) {
 327                 netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
 328                 goto out;
 329         }
 330
 331         hif_drv->hif_state = HOST_IF_IDLE;
 332
 333         if (hif_drv->conn_info.conn_result) {
 334                 hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_CONN_RESP,
 335                                                WILC_MAC_STATUS_DISCONNECTED,
 336                                                hif_drv->conn_info.arg);
 337
 338         } else {
 339                 netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
 340         }
 341
 342         wid.id = WID_DISCONNECT;
 343         wid.type = WID_CHAR;
 344         wid.val = (s8 *)&dummy_reason_code;
 345         wid.size = sizeof(char);
 346
 347         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 348         if (result)
 349                 netdev_err(vif->ndev, "Failed to send disconnect\n");
 350
 351         hif_drv->conn_info.req_ies_len = 0;
 352         kfree(hif_drv->conn_info.req_ies);
 353         hif_drv->conn_info.req_ies = NULL;
 354
 355 out:
 356         kfree(msg);
 357 }
 358
 359 void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
 360                                 struct cfg80211_crypto_settings *crypto)
 361 {
 362         struct wilc_join_bss_param *param;
 363         struct ieee80211_p2p_noa_attr noa_attr;
 364         u8 rates_len = 0;
 365         const u8 *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
 366         const u8 *ht_ie, *wpa_ie, *wmm_ie, *rsn_ie;
 367         int ret;
 368         const struct cfg80211_bss_ies *ies = rcu_dereference(bss->ies);
 369
 370         param = kzalloc(sizeof(*param), GFP_KERNEL);
 371         if (!param)
 372                 return NULL;
 373
 374         param->beacon_period = cpu_to_le16(bss->beacon_interval);
 375         param->cap_info = cpu_to_le16(bss->capability);
 376         param->bss_type = WILC_FW_BSS_TYPE_INFRA;
 377         param->ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
 378         ether_addr_copy(param->bssid, bss->bssid);
 379
 380         ssid_elm = cfg80211_find_ie(WLAN_EID_SSID, ies->data, ies->len);
 381         if (ssid_elm) {
 382                 if (ssid_elm[1] <= IEEE80211_MAX_SSID_LEN)
 383                         memcpy(param->ssid, ssid_elm + 2, ssid_elm[1]);
 384         }
 385
 386         tim_elm = cfg80211_find_ie(WLAN_EID_TIM, ies->data, ies->len);
 387         if (tim_elm && tim_elm[1] >= 2)
 388                 param->dtim_period = tim_elm[3];
 389
 390         memset(param->p_suites, 0xFF, 3);
 391         memset(param->akm_suites, 0xFF, 3);
 392
 393         rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies->data, ies->len);
 394         if (rates_ie) {
 395                 rates_len = rates_ie[1];
 396                 if (rates_len > WILC_MAX_RATES_SUPPORTED)
 397                         rates_len = WILC_MAX_RATES_SUPPORTED;
 398                 param->supp_rates[0] = rates_len;
 399                 memcpy(&param->supp_rates[1], rates_ie + 2, rates_len);
 400         }
 401
 402         if (rates_len < WILC_MAX_RATES_SUPPORTED) {
 403                 supp_rates_ie = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
 404                                                  ies->data, ies->len);
 405                 if (supp_rates_ie) {
 406                         u8 ext_rates = supp_rates_ie[1];
 407
 408                         if (ext_rates > (WILC_MAX_RATES_SUPPORTED - rates_len))
 409                                 param->supp_rates[0] = WILC_MAX_RATES_SUPPORTED;
 410                         else
 411                                 param->supp_rates[0] += ext_rates;
 412
 413                         memcpy(&param->supp_rates[rates_len + 1],
 414                                supp_rates_ie + 2,
 415                                (param->supp_rates[0] - rates_len));
 416                 }
 417         }
 418
 419         ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies->data, ies->len);
 420         if (ht_ie)
 421                 param->ht_capable = true;
 422
 423         ret = cfg80211_get_p2p_attr(ies->data, ies->len,
 424                                     IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
 425                                     (u8 *)&noa_attr, sizeof(noa_attr));
 426         if (ret > 0) {
 427                 param->tsf_lo = cpu_to_le32(ies->tsf);
 428                 param->noa_enabled = 1;
 429                 param->idx = noa_attr.index;
 430                 if (noa_attr.oppps_ctwindow & IEEE80211_P2P_OPPPS_ENABLE_BIT) {
 431                         param->opp_enabled = 1;
 432                         param->opp_en.ct_window = noa_attr.oppps_ctwindow;
 433                         param->opp_en.cnt = noa_attr.desc[0].count;
 434                         param->opp_en.duration = noa_attr.desc[0].duration;
 435                         param->opp_en.interval = noa_attr.desc[0].interval;
 436                         param->opp_en.start_time = noa_attr.desc[0].start_time;
 437                 } else {
 438                         param->opp_enabled = 0;
 439                         param->opp_dis.cnt = noa_attr.desc[0].count;
 440                         param->opp_dis.duration = noa_attr.desc[0].duration;
 441                         param->opp_dis.interval = noa_attr.desc[0].interval;
 442                         param->opp_dis.start_time = noa_attr.desc[0].start_time;
 443                 }
 444         }
 445         wmm_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 446                                          WLAN_OUI_TYPE_MICROSOFT_WMM,
 447                                          ies->data, ies->len);
 448         if (wmm_ie) {
 449                 struct ieee80211_wmm_param_ie *ie;
 450
 451                 ie = (struct ieee80211_wmm_param_ie *)wmm_ie;
 452                 if ((ie->oui_subtype == 0 || ie->oui_subtype == 1) &&
 453                     ie->version == 1) {
 454                         param->wmm_cap = true;
 455                         if (ie->qos_info & BIT(7))
 456                                 param->uapsd_cap = true;
 457                 }
 458         }
 459
 460         wpa_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 461                                          WLAN_OUI_TYPE_MICROSOFT_WPA,
 462                                          ies->data, ies->len);
 463         if (wpa_ie) {
 464                 param->mode_802_11i = 1;
 465                 param->rsn_found = true;
 466         }
 467
 468         rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies->data, ies->len);
 469         if (rsn_ie) {
 470                 int offset = 8;
 471
 472                 param->mode_802_11i = 2;
 473                 param->rsn_found = true;
 474                 /* extract RSN capabilities */
 475                 offset += (rsn_ie[offset] * 4) + 2;
 476                 offset += (rsn_ie[offset] * 4) + 2;
 477                 memcpy(param->rsn_cap, &rsn_ie[offset], 2);
 478         }
 479
 480         if (param->rsn_found) {
 481                 int i;
 482
 483                 param->rsn_grp_policy = crypto->cipher_group & 0xFF;
 484                 for (i = 0; i < crypto->n_ciphers_pairwise && i < 3; i++)
 485                         param->p_suites[i] = crypto->ciphers_pairwise[i] & 0xFF;
 486
 487                 for (i = 0; i < crypto->n_akm_suites && i < 3; i++)
 488                         param->akm_suites[i] = crypto->akm_suites[i] & 0xFF;
 489         }
 490
 491         return (void *)param;
 492 }
 493
 494 static void handle_rcvd_ntwrk_info(struct work_struct *work)
 495 {
 496         struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 497         struct wilc_rcvd_net_info *rcvd_info = &msg->body.net_info;
 498         struct wilc_user_scan_req *scan_req = &msg->vif->hif_drv->usr_scan_req;
 499         const u8 *ch_elm;
 500         u8 *ies;
 501         int ies_len;
 502         size_t offset;
 503
 504         if (ieee80211_is_probe_resp(rcvd_info->mgmt->frame_control))
 505                 offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
 506         else if (ieee80211_is_beacon(rcvd_info->mgmt->frame_control))
 507                 offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
 508         else
 509                 goto done;
 510
 511         ies = rcvd_info->mgmt->u.beacon.variable;
 512         ies_len = rcvd_info->frame_len - offset;
 513         if (ies_len <= 0)
 514                 goto done;
 515
 516         ch_elm = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ies, ies_len);
 517         if (ch_elm && ch_elm[1] > 0)
 518                 rcvd_info->ch = ch_elm[2];
 519
 520         if (scan_req->scan_result)
 521                 scan_req->scan_result(SCAN_EVENT_NETWORK_FOUND, rcvd_info,
 522                                       scan_req->arg);
 523
 524 done:
 525         kfree(rcvd_info->mgmt);
 526         kfree(msg);
 527 }
 528
 529 static void host_int_get_assoc_res_info(struct wilc_vif *vif,
 530                                         u8 *assoc_resp_info,
 531                                         u32 max_assoc_resp_info_len,
 532                                         u32 *rcvd_assoc_resp_info_len)
 533 {
 534         int result;
 535         struct wid wid;
 536
 537         wid.id = WID_ASSOC_RES_INFO;
 538         wid.type = WID_STR;
 539         wid.val = assoc_resp_info;
 540         wid.size = max_assoc_resp_info_len;
 541
 542         result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
 543         if (result) {
 544                 *rcvd_assoc_resp_info_len = 0;
 545                 netdev_err(vif->ndev, "Failed to send association response\n");
 546                 return;
 547         }
 548
 549         *rcvd_assoc_resp_info_len = wid.size;
 550 }
 551
 552 static s32 wilc_parse_assoc_resp_info(u8 *buffer, u32 buffer_len,
 553                                       struct wilc_conn_info *ret_conn_info)
 554 {
 555         u8 *ies;
 556         u16 ies_len;
 557         struct wilc_assoc_resp *res = (struct wilc_assoc_resp *)buffer;
 558
 559         ret_conn_info->status = le16_to_cpu(res->status_code);
 560         if (ret_conn_info->status == WLAN_STATUS_SUCCESS) {
 561                 ies = &buffer[sizeof(*res)];
 562                 ies_len = buffer_len - sizeof(*res);
 563
 564                 ret_conn_info->resp_ies = kmemdup(ies, ies_len, GFP_KERNEL);
 565                 if (!ret_conn_info->resp_ies)
 566                         return -ENOMEM;
 567
 568                 ret_conn_info->resp_ies_len = ies_len;
 569         }
 570
 571         return 0;
 572 }
 573
 574 static inline void host_int_parse_assoc_resp_info(struct wilc_vif *vif,
 575                                                   u8 mac_status)
 576 {
 577         struct host_if_drv *hif_drv = vif->hif_drv;
 578         struct wilc_conn_info *conn_info = &hif_drv->conn_info;
 579
 580         if (mac_status == WILC_MAC_STATUS_CONNECTED) {
 581                 u32 assoc_resp_info_len;
 582
 583                 memset(hif_drv->assoc_resp, 0, WILC_MAX_ASSOC_RESP_FRAME_SIZE);
 584
 585                 host_int_get_assoc_res_info(vif, hif_drv->assoc_resp,
 586                                             WILC_MAX_ASSOC_RESP_FRAME_SIZE,
 587                                             &assoc_resp_info_len);
 588
 589                 if (assoc_resp_info_len != 0) {
 590                         s32 err = 0;
 591
 592                         err = wilc_parse_assoc_resp_info(hif_drv->assoc_resp,
 593                                                          assoc_resp_info_len,
 594                                                          conn_info);
 595                         if (err)
 596                                 netdev_err(vif->ndev,
 597                                            "wilc_parse_assoc_resp_info() returned error %d\n",
 598                                            err);
 599                 }
 600         }
 601
 602         del_timer(&hif_drv->connect_timer);
 603         conn_info->conn_result(CONN_DISCONN_EVENT_CONN_RESP, mac_status,
 604                                hif_drv->conn_info.arg);
 605
 606         if (mac_status == WILC_MAC_STATUS_CONNECTED &&
 607             conn_info->status == WLAN_STATUS_SUCCESS) {
 608                 ether_addr_copy(hif_drv->assoc_bssid, conn_info->bssid);
 609                 hif_drv->hif_state = HOST_IF_CONNECTED;
 610         } else {
 611                 hif_drv->hif_state = HOST_IF_IDLE;
 612         }
 613
 614         kfree(conn_info->resp_ies);
 615         conn_info->resp_ies = NULL;
 616         conn_info->resp_ies_len = 0;
 617
 618         kfree(conn_info->req_ies);
 619         conn_info->req_ies = NULL;
 620         conn_info->req_ies_len = 0;
 621 }
 622
 623 static inline void host_int_handle_disconnect(struct wilc_vif *vif)
 624 {
 625         struct host_if_drv *hif_drv = vif->hif_drv;
 626
 627         if (hif_drv->usr_scan_req.scan_result) {
 628                 del_timer(&hif_drv->scan_timer);
 629                 handle_scan_done(vif, SCAN_EVENT_ABORTED);
 630         }
 631
 632         if (hif_drv->conn_info.conn_result)
 633                 hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF,
 634                                                0, hif_drv->conn_info.arg);
 635         else
 636                 netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
 637
 638         eth_zero_addr(hif_drv->assoc_bssid);
 639
 640         hif_drv->conn_info.req_ies_len = 0;
 641         kfree(hif_drv->conn_info.req_ies);
 642         hif_drv->conn_info.req_ies = NULL;
 643         hif_drv->hif_state = HOST_IF_IDLE;
 644 }
 645
 646 static void handle_rcvd_gnrl_async_info(struct work_struct *work)
 647 {
 648         struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 649         struct wilc_vif *vif = msg->vif;
 650         struct wilc_rcvd_mac_info *mac_info = &msg->body.mac_info;
 651         struct host_if_drv *hif_drv = vif->hif_drv;
 652
 653         if (!hif_drv) {
 654                 netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
 655                 goto free_msg;
 656         }
 657
 658         if (!hif_drv->conn_info.conn_result) {
 659                 netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
 660                 goto free_msg;
 661         }
 662
 663         if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) {
 664                 host_int_parse_assoc_resp_info(vif, mac_info->status);
 665         } else if (mac_info->status == WILC_MAC_STATUS_DISCONNECTED) {
 666                 if (hif_drv->hif_state == HOST_IF_CONNECTED) {
 667                         host_int_handle_disconnect(vif);
 668                 } else if (hif_drv->usr_scan_req.scan_result) {
 669                         del_timer(&hif_drv->scan_timer);
 670                         handle_scan_done(vif, SCAN_EVENT_ABORTED);
 671                 }
 672         }
 673
 674 free_msg:
 675         kfree(msg);
 676 }
 677
 678 int wilc_disconnect(struct wilc_vif *vif)
 679 {
 680         struct wid wid;
 681         struct host_if_drv *hif_drv = vif->hif_drv;
 682         struct wilc_user_scan_req *scan_req;
 683         struct wilc_conn_info *conn_info;
 684         int result;
 685         u16 dummy_reason_code = 0;
 686
 687         wid.id = WID_DISCONNECT;
 688         wid.type = WID_CHAR;
 689         wid.val = (s8 *)&dummy_reason_code;
 690         wid.size = sizeof(char);
 691
 692         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 693         if (result) {
 694                 netdev_err(vif->ndev, "Failed to send disconnect\n");
 695                 return result;
 696         }
 697
 698         scan_req = &hif_drv->usr_scan_req;
 699         conn_info = &hif_drv->conn_info;
 700
 701         if (scan_req->scan_result) {
 702                 del_timer(&hif_drv->scan_timer);
 703                 scan_req->scan_result(SCAN_EVENT_ABORTED, NULL, scan_req->arg);
 704                 scan_req->scan_result = NULL;
 705         }
 706
 707         if (conn_info->conn_result) {
 708                 if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP)
 709                         del_timer(&hif_drv->connect_timer);
 710
 711                 conn_info->conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, 0,
 712                                        conn_info->arg);
 713         } else {
 714                 netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
 715         }
 716
 717         hif_drv->hif_state = HOST_IF_IDLE;
 718
 719         eth_zero_addr(hif_drv->assoc_bssid);
 720
 721         conn_info->req_ies_len = 0;
 722         kfree(conn_info->req_ies);
 723         conn_info->req_ies = NULL;
 724
 725         return 0;
 726 }
 727
 728 int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats)
 729 {
 730         struct wid wid_list[5];
 731         u32 wid_cnt = 0, result;
 732
 733         wid_list[wid_cnt].id = WID_LINKSPEED;
 734         wid_list[wid_cnt].type = WID_CHAR;
 735         wid_list[wid_cnt].size = sizeof(char);
 736         wid_list[wid_cnt].val = (s8 *)&stats->link_speed;
 737         wid_cnt++;
 738
 739         wid_list[wid_cnt].id = WID_RSSI;
 740         wid_list[wid_cnt].type = WID_CHAR;
 741         wid_list[wid_cnt].size = sizeof(char);
 742         wid_list[wid_cnt].val = (s8 *)&stats->rssi;
 743         wid_cnt++;
 744
 745         wid_list[wid_cnt].id = WID_SUCCESS_FRAME_COUNT;
 746         wid_list[wid_cnt].type = WID_INT;
 747         wid_list[wid_cnt].size = sizeof(u32);
 748         wid_list[wid_cnt].val = (s8 *)&stats->tx_cnt;
 749         wid_cnt++;
 750
 751         wid_list[wid_cnt].id = WID_RECEIVED_FRAGMENT_COUNT;
 752         wid_list[wid_cnt].type = WID_INT;
 753         wid_list[wid_cnt].size = sizeof(u32);
 754         wid_list[wid_cnt].val = (s8 *)&stats->rx_cnt;
 755         wid_cnt++;
 756
 757         wid_list[wid_cnt].id = WID_FAILED_COUNT;
 758         wid_list[wid_cnt].type = WID_INT;
 759         wid_list[wid_cnt].size = sizeof(u32);
 760         wid_list[wid_cnt].val = (s8 *)&stats->tx_fail_cnt;
 761         wid_cnt++;
 762
 763         result = wilc_send_config_pkt(vif, WILC_GET_CFG, wid_list, wid_cnt);
 764         if (result) {
 765                 netdev_err(vif->ndev, "Failed to send scan parameters\n");
 766                 return result;
 767         }
 768
 769         if (stats->link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH &&
 770             stats->link_speed != DEFAULT_LINK_SPEED)
 771                 wilc_enable_tcp_ack_filter(vif, true);
 772         else if (stats->link_speed != DEFAULT_LINK_SPEED)
 773                 wilc_enable_tcp_ack_filter(vif, false);
 774
 775         return result;
 776 }
 777
 778 static void handle_get_statistics(struct work_struct *work)
 779 {
 780         struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 781         struct wilc_vif *vif = msg->vif;
 782         struct rf_info *stats = (struct rf_info *)msg->body.data;
 783
 784         wilc_get_statistics(vif, stats);
 785
 786         kfree(msg);
 787 }
 788
 789 static void wilc_hif_pack_sta_param(u8 *cur_byte, const u8 *mac,
 790                                     struct station_parameters *params)
 791 {
 792         ether_addr_copy(cur_byte, mac);
 793         cur_byte += ETH_ALEN;
 794
 795         put_unaligned_le16(params->aid, cur_byte);
 796         cur_byte += 2;
 797
 798         *cur_byte++ = params->supported_rates_len;
 799         if (params->supported_rates_len > 0)
 800                 memcpy(cur_byte, params->supported_rates,
 801                        params->supported_rates_len);
 802         cur_byte += params->supported_rates_len;
 803
 804         if (params->ht_capa) {
 805                 *cur_byte++ = true;
 806                 memcpy(cur_byte, params->ht_capa,
 807                        sizeof(struct ieee80211_ht_cap));
 808         } else {
 809                 *cur_byte++ = false;
 810         }
 811         cur_byte += sizeof(struct ieee80211_ht_cap);
 812
 813         put_unaligned_le16(params->sta_flags_mask, cur_byte);
 814         cur_byte += 2;
 815         put_unaligned_le16(params->sta_flags_set, cur_byte);
 816 }
 817
 818 static int handle_remain_on_chan(struct wilc_vif *vif,
 819                                  struct wilc_remain_ch *hif_remain_ch)
 820 {
 821         int result;
 822         u8 remain_on_chan_flag;
 823         struct wid wid;
 824         struct host_if_drv *hif_drv = vif->hif_drv;
 825
 826         if (hif_drv->usr_scan_req.scan_result)
 827                 return -EBUSY;
 828
 829         if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP)
 830                 return -EBUSY;
 831
 832         if (vif->connecting)
 833                 return -EBUSY;
 834
 835         remain_on_chan_flag = true;
 836         wid.id = WID_REMAIN_ON_CHAN;
 837         wid.type = WID_STR;
 838         wid.size = 2;
 839         wid.val = kmalloc(wid.size, GFP_KERNEL);
 840         if (!wid.val)
 841                 return -ENOMEM;
 842
 843         wid.val[0] = remain_on_chan_flag;
 844         wid.val[1] = (s8)hif_remain_ch->ch;
 845
 846         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 847         kfree(wid.val);
 848         if (result)
 849                 return -EBUSY;
 850
 851         hif_drv->remain_on_ch.arg = hif_remain_ch->arg;
 852         hif_drv->remain_on_ch.expired = hif_remain_ch->expired;
 853         hif_drv->remain_on_ch.ch = hif_remain_ch->ch;
 854         hif_drv->remain_on_ch.cookie = hif_remain_ch->cookie;
 855         hif_drv->remain_on_ch_timer_vif = vif;
 856
 857         return 0;
 858 }
 859
 860 static int wilc_handle_roc_expired(struct wilc_vif *vif, u64 cookie)
 861 {
 862         u8 remain_on_chan_flag;
 863         struct wid wid;
 864         int result;
 865         struct host_if_drv *hif_drv = vif->hif_drv;
 866
 867         if (vif->priv.p2p_listen_state) {
 868                 remain_on_chan_flag = false;
 869                 wid.id = WID_REMAIN_ON_CHAN;
 870                 wid.type = WID_STR;
 871                 wid.size = 2;
 872
 873                 wid.val = kmalloc(wid.size, GFP_KERNEL);
 874                 if (!wid.val)
 875                         return -ENOMEM;
 876
 877                 wid.val[0] = remain_on_chan_flag;
 878                 wid.val[1] = WILC_FALSE_FRMWR_CHANNEL;
 879
 880                 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 881                 kfree(wid.val);
 882                 if (result != 0) {
 883                         netdev_err(vif->ndev, "Failed to set remain channel\n");
 884                         return -EINVAL;
 885                 }
 886
 887                 if (hif_drv->remain_on_ch.expired) {
 888                         hif_drv->remain_on_ch.expired(hif_drv->remain_on_ch.arg,
 889                                                       cookie);
 890                 }
 891         } else {
 892                 netdev_dbg(vif->ndev, "Not in listen state\n");
 893         }
 894
 895         return 0;
 896 }
 897
 898 static void wilc_handle_listen_state_expired(struct work_struct *work)
 899 {
 900         struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 901
 902         wilc_handle_roc_expired(msg->vif, msg->body.remain_on_ch.cookie);
 903         kfree(msg);
 904 }
 905
 906 static void listen_timer_cb(struct timer_list *t)
 907 {
 908         struct host_if_drv *hif_drv = from_timer(hif_drv, t,
 909                                                       remain_on_ch_timer);
 910         struct wilc_vif *vif = hif_drv->remain_on_ch_timer_vif;
 911         int result;
 912         struct host_if_msg *msg;
 913
 914         del_timer(&vif->hif_drv->remain_on_ch_timer);
 915
 916         msg = wilc_alloc_work(vif, wilc_handle_listen_state_expired, false);
 917         if (IS_ERR(msg))
 918                 return;
 919
 920         msg->body.remain_on_ch.cookie = vif->hif_drv->remain_on_ch.cookie;
 921
 922         result = wilc_enqueue_work(msg);
 923         if (result) {
 924                 netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
 925                 kfree(msg);
 926         }
 927 }
 928
 929 static void handle_set_mcast_filter(struct work_struct *work)
 930 {
 931         struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 932         struct wilc_vif *vif = msg->vif;
 933         struct wilc_set_multicast *set_mc = &msg->body.mc_info;
 934         int result;
 935         struct wid wid;
 936         u8 *cur_byte;
 937
 938         wid.id = WID_SETUP_MULTICAST_FILTER;
 939         wid.type = WID_BIN;
 940         wid.size = sizeof(struct wilc_set_multicast) + (set_mc->cnt * ETH_ALEN);
 941         wid.val = kmalloc(wid.size, GFP_KERNEL);
 942         if (!wid.val)
 943                 goto error;
 944
 945         cur_byte = wid.val;
 946         put_unaligned_le32(set_mc->enabled, cur_byte);
 947         cur_byte += 4;
 948
 949         put_unaligned_le32(set_mc->cnt, cur_byte);
 950         cur_byte += 4;
 951
 952         if (set_mc->cnt > 0 && set_mc->mc_list)
 953                 memcpy(cur_byte, set_mc->mc_list, set_mc->cnt * ETH_ALEN);
 954
 955         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 956         if (result)
 957                 netdev_err(vif->ndev, "Failed to send setup multicast\n");
 958
 959 error:
 960         kfree(set_mc->mc_list);
 961         kfree(wid.val);
 962         kfree(msg);
 963 }
 964
 965 static void handle_scan_timer(struct work_struct *work)
 966 {
 967         struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 968
 969         handle_scan_done(msg->vif, SCAN_EVENT_ABORTED);
 970         kfree(msg);
 971 }
 972
 973 static void handle_scan_complete(struct work_struct *work)
 974 {
 975         struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 976
 977         del_timer(&msg->vif->hif_drv->scan_timer);
 978
 979         handle_scan_done(msg->vif, SCAN_EVENT_DONE);
 980
 981         kfree(msg);
 982 }
 983
 984 static void timer_scan_cb(struct timer_list *t)
 985 {
 986         struct host_if_drv *hif_drv = from_timer(hif_drv, t, scan_timer);
 987         struct wilc_vif *vif = hif_drv->scan_timer_vif;
 988         struct host_if_msg *msg;
 989         int result;
 990
 991         msg = wilc_alloc_work(vif, handle_scan_timer, false);
 992         if (IS_ERR(msg))
 993                 return;
 994
 995         result = wilc_enqueue_work(msg);
 996         if (result)
 997                 kfree(msg);
 998 }
 999
1000 static void timer_connect_cb(struct timer_list *t)
1001 {
1002         struct host_if_drv *hif_drv = from_timer(hif_drv, t,
1003                                                       connect_timer);
1004         struct wilc_vif *vif = hif_drv->connect_timer_vif;
1005         struct host_if_msg *msg;
1006         int result;
1007
1008         msg = wilc_alloc_work(vif, handle_connect_timeout, false);
1009         if (IS_ERR(msg))
1010                 return;
1011
1012         result = wilc_enqueue_work(msg);
1013         if (result)
1014                 kfree(msg);
1015 }
1016
1017 int wilc_remove_wep_key(struct wilc_vif *vif, u8 index)
1018 {
1019         struct wid wid;
1020         int result;
1021
1022         wid.id = WID_REMOVE_WEP_KEY;
1023         wid.type = WID_STR;
1024         wid.size = sizeof(char);
1025         wid.val = &index;
1026
1027         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1028         if (result)
1029                 netdev_err(vif->ndev,
1030                            "Failed to send remove wep key config packet\n");
1031         return result;
1032 }
1033
1034 int wilc_set_wep_default_keyid(struct wilc_vif *vif, u8 index)
1035 {
1036         struct wid wid;
1037         int result;
1038
1039         wid.id = WID_KEY_ID;
1040         wid.type = WID_CHAR;
1041         wid.size = sizeof(char);
1042         wid.val = &index;
1043         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1044         if (result)
1045                 netdev_err(vif->ndev,
1046                            "Failed to send wep default key config packet\n");
1047
1048         return result;
1049 }
1050
1051 int wilc_add_wep_key_bss_sta(struct wilc_vif *vif, const u8 *key, u8 len,
1052                              u8 index)
1053 {
1054         struct wid wid;
1055         int result;
1056         struct wilc_wep_key *wep_key;
1057
1058         wid.id = WID_ADD_WEP_KEY;
1059         wid.type = WID_STR;
1060         wid.size = sizeof(*wep_key) + len;
1061         wep_key = kzalloc(wid.size, GFP_KERNEL);
1062         if (!wep_key)
1063                 return -ENOMEM;
1064
1065         wid.val = (u8 *)wep_key;
1066
1067         wep_key->index = index;
1068         wep_key->key_len = len;
1069         memcpy(wep_key->key, key, len);
1070
1071         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1072         if (result)
1073                 netdev_err(vif->ndev,
1074                            "Failed to add wep key config packet\n");
1075
1076         kfree(wep_key);
1077         return result;
1078 }
1079
1080 int wilc_add_wep_key_bss_ap(struct wilc_vif *vif, const u8 *key, u8 len,
1081                             u8 index, u8 mode, enum authtype auth_type)
1082 {
1083         struct wid wid_list[3];
1084         int result;
1085         struct wilc_wep_key *wep_key;
1086
1087         wid_list[0].id = WID_11I_MODE;
1088         wid_list[0].type = WID_CHAR;
1089         wid_list[0].size = sizeof(char);
1090         wid_list[0].val = &mode;
1091
1092         wid_list[1].id = WID_AUTH_TYPE;
1093         wid_list[1].type = WID_CHAR;
1094         wid_list[1].size = sizeof(char);
1095         wid_list[1].val = (s8 *)&auth_type;
1096
1097         wid_list[2].id = WID_WEP_KEY_VALUE;
1098         wid_list[2].type = WID_STR;
1099         wid_list[2].size = sizeof(*wep_key) + len;
1100         wep_key = kzalloc(wid_list[2].size, GFP_KERNEL);
1101         if (!wep_key)
1102                 return -ENOMEM;
1103
1104         wid_list[2].val = (u8 *)wep_key;
1105
1106         wep_key->index = index;
1107         wep_key->key_len = len;
1108         memcpy(wep_key->key, key, len);
1109         result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1110                                       ARRAY_SIZE(wid_list));
1111         if (result)
1112                 netdev_err(vif->ndev,
1113                            "Failed to add wep ap key config packet\n");
1114
1115         kfree(wep_key);
1116         return result;
1117 }
1118
1119 int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
1120                  const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic,
1121                  u8 mode, u8 cipher_mode, u8 index)
1122 {
1123         int result = 0;
1124         u8 t_key_len  = ptk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
1125
1126         if (mode == WILC_AP_MODE) {
1127                 struct wid wid_list[2];
1128                 struct wilc_ap_wpa_ptk *key_buf;
1129
1130                 wid_list[0].id = WID_11I_MODE;
1131                 wid_list[0].type = WID_CHAR;
1132                 wid_list[0].size = sizeof(char);
1133                 wid_list[0].val = (s8 *)&cipher_mode;
1134
1135                 key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1136                 if (!key_buf)
1137                         return -ENOMEM;
1138
1139                 ether_addr_copy(key_buf->mac_addr, mac_addr);
1140                 key_buf->index = index;
1141                 key_buf->key_len = t_key_len;
1142                 memcpy(&key_buf->key[0], ptk, ptk_key_len);
1143
1144                 if (rx_mic)
1145                         memcpy(&key_buf->key[ptk_key_len], rx_mic,
1146                                WILC_RX_MIC_KEY_LEN);
1147
1148                 if (tx_mic)
1149                         memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
1150                                tx_mic, WILC_TX_MIC_KEY_LEN);
1151
1152                 wid_list[1].id = WID_ADD_PTK;
1153                 wid_list[1].type = WID_STR;
1154                 wid_list[1].size = sizeof(*key_buf) + t_key_len;
1155                 wid_list[1].val = (u8 *)key_buf;
1156                 result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1157                                               ARRAY_SIZE(wid_list));
1158                 kfree(key_buf);
1159         } else if (mode == WILC_STATION_MODE) {
1160                 struct wid wid;
1161                 struct wilc_sta_wpa_ptk *key_buf;
1162
1163                 key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1164                 if (!key_buf)
1165                         return -ENOMEM;
1166
1167                 ether_addr_copy(key_buf->mac_addr, mac_addr);
1168                 key_buf->key_len = t_key_len;
1169                 memcpy(&key_buf->key[0], ptk, ptk_key_len);
1170
1171                 if (rx_mic)
1172                         memcpy(&key_buf->key[ptk_key_len], rx_mic,
1173                                WILC_RX_MIC_KEY_LEN);
1174
1175                 if (tx_mic)
1176                         memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
1177                                tx_mic, WILC_TX_MIC_KEY_LEN);
1178
1179                 wid.id = WID_ADD_PTK;
1180                 wid.type = WID_STR;
1181                 wid.size = sizeof(*key_buf) + t_key_len;
1182                 wid.val = (s8 *)key_buf;
1183                 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1184                 kfree(key_buf);
1185         }
1186
1187         return result;
1188 }
1189
1190 int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
1191                     u8 index, u32 key_rsc_len, const u8 *key_rsc,
1192                     const u8 *rx_mic, const u8 *tx_mic, u8 mode,
1193                     u8 cipher_mode)
1194 {
1195         int result = 0;
1196         struct wilc_gtk_key *gtk_key;
1197         int t_key_len = gtk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
1198
1199         gtk_key = kzalloc(sizeof(*gtk_key) + t_key_len, GFP_KERNEL);
1200         if (!gtk_key)
1201                 return -ENOMEM;
1202
1203         /* fill bssid value only in station mode */
1204         if (mode == WILC_STATION_MODE &&
1205             vif->hif_drv->hif_state == HOST_IF_CONNECTED)
1206                 memcpy(gtk_key->mac_addr, vif->hif_drv->assoc_bssid, ETH_ALEN);
1207
1208         if (key_rsc)
1209                 memcpy(gtk_key->rsc, key_rsc, 8);
1210         gtk_key->index = index;
1211         gtk_key->key_len = t_key_len;
1212         memcpy(&gtk_key->key[0], rx_gtk, gtk_key_len);
1213
1214         if (rx_mic)
1215                 memcpy(&gtk_key->key[gtk_key_len], rx_mic, WILC_RX_MIC_KEY_LEN);
1216
1217         if (tx_mic)
1218                 memcpy(&gtk_key->key[gtk_key_len + WILC_RX_MIC_KEY_LEN],
1219                        tx_mic, WILC_TX_MIC_KEY_LEN);
1220
1221         if (mode == WILC_AP_MODE) {
1222                 struct wid wid_list[2];
1223
1224                 wid_list[0].id = WID_11I_MODE;
1225                 wid_list[0].type = WID_CHAR;
1226                 wid_list[0].size = sizeof(char);
1227                 wid_list[0].val = (s8 *)&cipher_mode;
1228
1229                 wid_list[1].id = WID_ADD_RX_GTK;
1230                 wid_list[1].type = WID_STR;
1231                 wid_list[1].size = sizeof(*gtk_key) + t_key_len;
1232                 wid_list[1].val = (u8 *)gtk_key;
1233
1234                 result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1235                                               ARRAY_SIZE(wid_list));
1236         } else if (mode == WILC_STATION_MODE) {
1237                 struct wid wid;
1238
1239                 wid.id = WID_ADD_RX_GTK;
1240                 wid.type = WID_STR;
1241                 wid.size = sizeof(*gtk_key) + t_key_len;
1242                 wid.val = (u8 *)gtk_key;
1243                 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1244         }
1245
1246         kfree(gtk_key);
1247         return result;
1248 }
1249
1250 int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid)
1251 {
1252         struct wid wid;
1253
1254         wid.id = WID_PMKID_INFO;
1255         wid.type = WID_STR;
1256         wid.size = (pmkid->numpmkid * sizeof(struct wilc_pmkid)) + 1;
1257         wid.val = (u8 *)pmkid;
1258
1259         return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1260 }
1261
1262 int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr)
1263 {
1264         int result;
1265         struct wid wid;
1266
1267         wid.id = WID_MAC_ADDR;
1268         wid.type = WID_STR;
1269         wid.size = ETH_ALEN;
1270         wid.val = mac_addr;
1271
1272         result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1273         if (result)
1274                 netdev_err(vif->ndev, "Failed to get mac address\n");
1275
1276         return result;
1277 }
1278
1279 int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies,
1280                       size_t ies_len)
1281 {
1282         int result;
1283         struct host_if_drv *hif_drv = vif->hif_drv;
1284         struct wilc_conn_info *conn_info = &hif_drv->conn_info;
1285
1286         if (bssid)
1287                 ether_addr_copy(conn_info->bssid, bssid);
1288
1289         if (ies) {
1290                 conn_info->req_ies_len = ies_len;
1291                 conn_info->req_ies = kmemdup(ies, ies_len, GFP_KERNEL);
1292                 if (!conn_info->req_ies)
1293                         return -ENOMEM;
1294         }
1295
1296         result = wilc_send_connect_wid(vif);
1297         if (result)
1298                 goto free_ies;
1299
1300         hif_drv->connect_timer_vif = vif;
1301         mod_timer(&hif_drv->connect_timer,
1302                   jiffies + msecs_to_jiffies(WILC_HIF_CONNECT_TIMEOUT_MS));
1303
1304         return 0;
1305
1306 free_ies:
1307         kfree(conn_info->req_ies);
1308
1309         return result;
1310 }
1311
1312 int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel)
1313 {
1314         struct wid wid;
1315         int result;
1316
1317         wid.id = WID_CURRENT_CHANNEL;
1318         wid.type = WID_CHAR;
1319         wid.size = sizeof(char);
1320         wid.val = &channel;
1321
1322         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1323         if (result)
1324                 netdev_err(vif->ndev, "Failed to set channel\n");
1325
1326         return result;
1327 }
1328
1329 int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode,
1330                             u8 ifc_id)
1331 {
1332         struct wid wid;
1333         int result;
1334         struct wilc_drv_handler drv;
1335
1336         wid.id = WID_SET_OPERATION_MODE;
1337         wid.type = WID_STR;
1338         wid.size = sizeof(drv);
1339         wid.val = (u8 *)&drv;
1340
1341         drv.handler = cpu_to_le32(index);
1342         drv.mode = (ifc_id | (mode << 1));
1343
1344         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1345         if (result)
1346                 netdev_err(vif->ndev, "Failed to set driver handler\n");
1347
1348         return result;
1349 }
1350
1351 s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac, u32 *out_val)
1352 {
1353         struct wid wid;
1354         s32 result;
1355
1356         wid.id = WID_SET_STA_MAC_INACTIVE_TIME;
1357         wid.type = WID_STR;
1358         wid.size = ETH_ALEN;
1359         wid.val = kzalloc(wid.size, GFP_KERNEL);
1360         if (!wid.val)
1361                 return -ENOMEM;
1362
1363         ether_addr_copy(wid.val, mac);
1364         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1365         kfree(wid.val);
1366         if (result) {
1367                 netdev_err(vif->ndev, "Failed to set inactive mac\n");
1368                 return result;
1369         }
1370
1371         wid.id = WID_GET_INACTIVE_TIME;
1372         wid.type = WID_INT;
1373         wid.val = (s8 *)out_val;
1374         wid.size = sizeof(u32);
1375         result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1376         if (result)
1377                 netdev_err(vif->ndev, "Failed to get inactive time\n");
1378
1379         return result;
1380 }
1381
1382 int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level)
1383 {
1384         struct wid wid;
1385         int result;
1386
1387         if (!rssi_level) {
1388                 netdev_err(vif->ndev, "%s: RSSI level is NULL\n", __func__);
1389                 return -EFAULT;
1390         }
1391
1392         wid.id = WID_RSSI;
1393         wid.type = WID_CHAR;
1394         wid.size = sizeof(char);
1395         wid.val = rssi_level;
1396         result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1397         if (result)
1398                 netdev_err(vif->ndev, "Failed to get RSSI value\n");
1399
1400         return result;
1401 }
1402
1403 static int wilc_get_stats_async(struct wilc_vif *vif, struct rf_info *stats)
1404 {
1405         int result;
1406         struct host_if_msg *msg;
1407
1408         msg = wilc_alloc_work(vif, handle_get_statistics, false);
1409         if (IS_ERR(msg))
1410                 return PTR_ERR(msg);
1411
1412         msg->body.data = (char *)stats;
1413
1414         result = wilc_enqueue_work(msg);
1415         if (result) {
1416                 netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1417                 kfree(msg);
1418                 return result;
1419         }
1420
1421         return result;
1422 }
1423
1424 int wilc_hif_set_cfg(struct wilc_vif *vif, struct cfg_param_attr *param)
1425 {
1426         struct wid wid_list[4];
1427         int i = 0;
1428
1429         if (param->flag & WILC_CFG_PARAM_RETRY_SHORT) {
1430                 wid_list[i].id = WID_SHORT_RETRY_LIMIT;
1431                 wid_list[i].val = (s8 *)&param->short_retry_limit;
1432                 wid_list[i].type = WID_SHORT;
1433                 wid_list[i].size = sizeof(u16);
1434                 i++;
1435         }
1436         if (param->flag & WILC_CFG_PARAM_RETRY_LONG) {
1437                 wid_list[i].id = WID_LONG_RETRY_LIMIT;
1438                 wid_list[i].val = (s8 *)&param->long_retry_limit;
1439                 wid_list[i].type = WID_SHORT;
1440                 wid_list[i].size = sizeof(u16);
1441                 i++;
1442         }
1443         if (param->flag & WILC_CFG_PARAM_FRAG_THRESHOLD) {
1444                 wid_list[i].id = WID_FRAG_THRESHOLD;
1445                 wid_list[i].val = (s8 *)&param->frag_threshold;
1446                 wid_list[i].type = WID_SHORT;
1447                 wid_list[i].size = sizeof(u16);
1448                 i++;
1449         }
1450         if (param->flag & WILC_CFG_PARAM_RTS_THRESHOLD) {
1451                 wid_list[i].id = WID_RTS_THRESHOLD;
1452                 wid_list[i].val = (s8 *)&param->rts_threshold;
1453                 wid_list[i].type = WID_SHORT;
1454                 wid_list[i].size = sizeof(u16);
1455                 i++;
1456         }
1457
1458         return wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, i);
1459 }
1460
1461 static void get_periodic_rssi(struct timer_list *t)
1462 {
1463         struct wilc_vif *vif = from_timer(vif, t, periodic_rssi);
1464
1465         if (!vif->hif_drv) {
1466                 netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1467                 return;
1468         }
1469
1470         if (vif->hif_drv->hif_state == HOST_IF_CONNECTED)
1471                 wilc_get_stats_async(vif, &vif->periodic_stat);
1472
1473         mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
1474 }
1475
1476 int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler)
1477 {
1478         struct host_if_drv *hif_drv;
1479         struct wilc_vif *vif = netdev_priv(dev);
1480         struct wilc *wilc = vif->wilc;
1481
1482         hif_drv  = kzalloc(sizeof(*hif_drv), GFP_KERNEL);
1483         if (!hif_drv)
1484                 return -ENOMEM;
1485
1486         *hif_drv_handler = hif_drv;
1487
1488         vif->hif_drv = hif_drv;
1489
1490         if (wilc->clients_count == 0)
1491                 mutex_init(&wilc->deinit_lock);
1492
1493         timer_setup(&vif->periodic_rssi, get_periodic_rssi, 0);
1494         mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
1495
1496         timer_setup(&hif_drv->scan_timer, timer_scan_cb, 0);
1497         timer_setup(&hif_drv->connect_timer, timer_connect_cb, 0);
1498         timer_setup(&hif_drv->remain_on_ch_timer, listen_timer_cb, 0);
1499
1500         hif_drv->hif_state = HOST_IF_IDLE;
1501
1502         hif_drv->p2p_timeout = 0;
1503
1504         wilc->clients_count++;
1505
1506         return 0;
1507 }
1508
1509 int wilc_deinit(struct wilc_vif *vif)
1510 {
1511         int result = 0;
1512         struct host_if_drv *hif_drv = vif->hif_drv;
1513
1514         if (!hif_drv) {
1515                 netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1516                 return -EFAULT;
1517         }
1518
1519         mutex_lock(&vif->wilc->deinit_lock);
1520
1521         del_timer_sync(&hif_drv->scan_timer);
1522         del_timer_sync(&hif_drv->connect_timer);
1523         del_timer_sync(&vif->periodic_rssi);
1524         del_timer_sync(&hif_drv->remain_on_ch_timer);
1525
1526         if (hif_drv->usr_scan_req.scan_result) {
1527                 hif_drv->usr_scan_req.scan_result(SCAN_EVENT_ABORTED, NULL,
1528                                                   hif_drv->usr_scan_req.arg);
1529                 hif_drv->usr_scan_req.scan_result = NULL;
1530         }
1531
1532         hif_drv->hif_state = HOST_IF_IDLE;
1533
1534         kfree(hif_drv);
1535         vif->hif_drv = NULL;
1536         vif->wilc->clients_count--;
1537         mutex_unlock(&vif->wilc->deinit_lock);
1538         return result;
1539 }
1540
1541 void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length)
1542 {
1543         int result;
1544         struct host_if_msg *msg;
1545         int id;
1546         struct host_if_drv *hif_drv;
1547         struct wilc_vif *vif;
1548
1549         id = get_unaligned_le32(&buffer[length - 4]);
1550         vif = wilc_get_vif_from_idx(wilc, id);
1551         if (!vif)
1552                 return;
1553         hif_drv = vif->hif_drv;
1554
1555         if (!hif_drv) {
1556                 netdev_err(vif->ndev, "driver not init[%p]\n", hif_drv);
1557                 return;
1558         }
1559
1560         msg = wilc_alloc_work(vif, handle_rcvd_ntwrk_info, false);
1561         if (IS_ERR(msg))
1562                 return;
1563
1564         msg->body.net_info.frame_len = get_unaligned_le16(&buffer[6]) - 1;
1565         msg->body.net_info.rssi = buffer[8];
1566         msg->body.net_info.mgmt = kmemdup(&buffer[9],
1567                                           msg->body.net_info.frame_len,
1568                                           GFP_KERNEL);
1569         if (!msg->body.net_info.mgmt) {
1570                 kfree(msg);
1571                 return;
1572         }
1573
1574         result = wilc_enqueue_work(msg);
1575         if (result) {
1576                 netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1577                 kfree(msg->body.net_info.mgmt);
1578                 kfree(msg);
1579         }
1580 }
1581
1582 void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length)
1583 {
1584         int result;
1585         struct host_if_msg *msg;
1586         int id;
1587         struct host_if_drv *hif_drv;
1588         struct wilc_vif *vif;
1589
1590         mutex_lock(&wilc->deinit_lock);
1591
1592         id = get_unaligned_le32(&buffer[length - 4]);
1593         vif = wilc_get_vif_from_idx(wilc, id);
1594         if (!vif) {
1595                 mutex_unlock(&wilc->deinit_lock);
1596                 return;
1597         }
1598
1599         hif_drv = vif->hif_drv;
1600
1601         if (!hif_drv) {
1602                 mutex_unlock(&wilc->deinit_lock);
1603                 return;
1604         }
1605
1606         if (!hif_drv->conn_info.conn_result) {
1607                 netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
1608                 mutex_unlock(&wilc->deinit_lock);
1609                 return;
1610         }
1611
1612         msg = wilc_alloc_work(vif, handle_rcvd_gnrl_async_info, false);
1613         if (IS_ERR(msg)) {
1614                 mutex_unlock(&wilc->deinit_lock);
1615                 return;
1616         }
1617
1618         msg->body.mac_info.status = buffer[7];
1619         result = wilc_enqueue_work(msg);
1620         if (result) {
1621                 netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1622                 kfree(msg);
1623         }
1624
1625         mutex_unlock(&wilc->deinit_lock);
1626 }
1627
1628 void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length)
1629 {
1630         int result;
1631         int id;
1632         struct host_if_drv *hif_drv;
1633         struct wilc_vif *vif;
1634
1635         id = get_unaligned_le32(&buffer[length - 4]);
1636         vif = wilc_get_vif_from_idx(wilc, id);
1637         if (!vif)
1638                 return;
1639         hif_drv = vif->hif_drv;
1640
1641         if (!hif_drv)
1642                 return;
1643
1644         if (hif_drv->usr_scan_req.scan_result) {
1645                 struct host_if_msg *msg;
1646
1647                 msg = wilc_alloc_work(vif, handle_scan_complete, false);
1648                 if (IS_ERR(msg))
1649                         return;
1650
1651                 result = wilc_enqueue_work(msg);
1652                 if (result) {
1653                         netdev_err(vif->ndev, "%s: enqueue work failed\n",
1654                                    __func__);
1655                         kfree(msg);
1656                 }
1657         }
1658 }
1659
1660 int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie,
1661                            u32 duration, u16 chan,
1662                            void (*expired)(void *, u64),
1663                            void *user_arg)
1664 {
1665         struct wilc_remain_ch roc;
1666         int result;
1667
1668         roc.ch = chan;
1669         roc.expired = expired;
1670         roc.arg = user_arg;
1671         roc.duration = duration;
1672         roc.cookie = cookie;
1673         result = handle_remain_on_chan(vif, &roc);
1674         if (result)
1675                 netdev_err(vif->ndev, "%s: failed to set remain on channel\n",
1676                            __func__);
1677
1678         return result;
1679 }
1680
1681 int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie)
1682 {
1683         if (!vif->hif_drv) {
1684                 netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1685                 return -EFAULT;
1686         }
1687
1688         del_timer(&vif->hif_drv->remain_on_ch_timer);
1689
1690         return wilc_handle_roc_expired(vif, cookie);
1691 }
1692
1693 void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg)
1694 {
1695         struct wid wid;
1696         int result;
1697         struct wilc_reg_frame reg_frame;
1698
1699         wid.id = WID_REGISTER_FRAME;
1700         wid.type = WID_STR;
1701         wid.size = sizeof(reg_frame);
1702         wid.val = (u8 *)&reg_frame;
1703
1704         memset(&reg_frame, 0x0, sizeof(reg_frame));
1705
1706         if (reg)
1707                 reg_frame.reg = 1;
1708
1709         switch (frame_type) {
1710         case IEEE80211_STYPE_ACTION:
1711                 reg_frame.reg_id = WILC_FW_ACTION_FRM_IDX;
1712                 break;
1713
1714         case IEEE80211_STYPE_PROBE_REQ:
1715                 reg_frame.reg_id = WILC_FW_PROBE_REQ_IDX;
1716                 break;
1717
1718         default:
1719                 break;
1720         }
1721         reg_frame.frame_type = cpu_to_le16(frame_type);
1722         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1723         if (result)
1724                 netdev_err(vif->ndev, "Failed to frame register\n");
1725 }
1726
1727 int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period,
1728                     struct cfg80211_beacon_data *params)
1729 {
1730         struct wid wid;
1731         int result;
1732         u8 *cur_byte;
1733
1734         wid.id = WID_ADD_BEACON;
1735         wid.type = WID_BIN;
1736         wid.size = params->head_len + params->tail_len + 16;
1737         wid.val = kzalloc(wid.size, GFP_KERNEL);
1738         if (!wid.val)
1739                 return -ENOMEM;
1740
1741         cur_byte = wid.val;
1742         put_unaligned_le32(interval, cur_byte);
1743         cur_byte += 4;
1744         put_unaligned_le32(dtim_period, cur_byte);
1745         cur_byte += 4;
1746         put_unaligned_le32(params->head_len, cur_byte);
1747         cur_byte += 4;
1748
1749         if (params->head_len > 0)
1750                 memcpy(cur_byte, params->head, params->head_len);
1751         cur_byte += params->head_len;
1752
1753         put_unaligned_le32(params->tail_len, cur_byte);
1754         cur_byte += 4;
1755
1756         if (params->tail_len > 0)
1757                 memcpy(cur_byte, params->tail, params->tail_len);
1758
1759         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1760         if (result)
1761                 netdev_err(vif->ndev, "Failed to send add beacon\n");
1762
1763         kfree(wid.val);
1764
1765         return result;
1766 }
1767
1768 int wilc_del_beacon(struct wilc_vif *vif)
1769 {
1770         int result;
1771         struct wid wid;
1772         u8 del_beacon = 0;
1773
1774         wid.id = WID_DEL_BEACON;
1775         wid.type = WID_CHAR;
1776         wid.size = sizeof(char);
1777         wid.val = &del_beacon;
1778
1779         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1780         if (result)
1781                 netdev_err(vif->ndev, "Failed to send delete beacon\n");
1782
1783         return result;
1784 }
1785
1786 int wilc_add_station(struct wilc_vif *vif, const u8 *mac,
1787                      struct station_parameters *params)
1788 {
1789         struct wid wid;
1790         int result;
1791         u8 *cur_byte;
1792
1793         wid.id = WID_ADD_STA;
1794         wid.type = WID_BIN;
1795         wid.size = WILC_ADD_STA_LENGTH + params->supported_rates_len;
1796         wid.val = kmalloc(wid.size, GFP_KERNEL);
1797         if (!wid.val)
1798                 return -ENOMEM;
1799
1800         cur_byte = wid.val;
1801         wilc_hif_pack_sta_param(cur_byte, mac, params);
1802
1803         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1804         if (result != 0)
1805                 netdev_err(vif->ndev, "Failed to send add station\n");
1806
1807         kfree(wid.val);
1808
1809         return result;
1810 }
1811
1812 int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr)
1813 {
1814         struct wid wid;
1815         int result;
1816
1817         wid.id = WID_REMOVE_STA;
1818         wid.type = WID_BIN;
1819         wid.size = ETH_ALEN;
1820         wid.val = kzalloc(wid.size, GFP_KERNEL);
1821         if (!wid.val)
1822                 return -ENOMEM;
1823
1824         if (!mac_addr)
1825                 eth_broadcast_addr(wid.val);
1826         else
1827                 ether_addr_copy(wid.val, mac_addr);
1828
1829         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1830         if (result)
1831                 netdev_err(vif->ndev, "Failed to del station\n");
1832
1833         kfree(wid.val);
1834
1835         return result;
1836 }
1837
1838 int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN])
1839 {
1840         struct wid wid;
1841         int result;
1842         int i;
1843         u8 assoc_sta = 0;
1844         struct wilc_del_all_sta del_sta;
1845
1846         memset(&del_sta, 0x0, sizeof(del_sta));
1847         for (i = 0; i < WILC_MAX_NUM_STA; i++) {
1848                 if (!is_zero_ether_addr(mac_addr[i])) {
1849                         assoc_sta++;
1850                         ether_addr_copy(del_sta.mac[i], mac_addr[i]);
1851                 }
1852         }
1853
1854         if (!assoc_sta)
1855                 return 0;
1856
1857         del_sta.assoc_sta = assoc_sta;
1858
1859         wid.id = WID_DEL_ALL_STA;
1860         wid.type = WID_STR;
1861         wid.size = (assoc_sta * ETH_ALEN) + 1;
1862         wid.val = (u8 *)&del_sta;
1863
1864         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1865         if (result)
1866                 netdev_err(vif->ndev, "Failed to send delete all station\n");
1867
1868         return result;
1869 }
1870
1871 int wilc_edit_station(struct wilc_vif *vif, const u8 *mac,
1872                       struct station_parameters *params)
1873 {
1874         struct wid wid;
1875         int result;
1876         u8 *cur_byte;
1877
1878         wid.id = WID_EDIT_STA;
1879         wid.type = WID_BIN;
1880         wid.size = WILC_ADD_STA_LENGTH + params->supported_rates_len;
1881         wid.val = kmalloc(wid.size, GFP_KERNEL);
1882         if (!wid.val)
1883                 return -ENOMEM;
1884
1885         cur_byte = wid.val;
1886         wilc_hif_pack_sta_param(cur_byte, mac, params);
1887
1888         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1889         if (result)
1890                 netdev_err(vif->ndev, "Failed to send edit station\n");
1891
1892         kfree(wid.val);
1893         return result;
1894 }
1895
1896 int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout)
1897 {
1898         struct wid wid;
1899         int result;
1900         s8 power_mode;
1901
1902         if (enabled)
1903                 power_mode = WILC_FW_MIN_FAST_PS;
1904         else
1905                 power_mode = WILC_FW_NO_POWERSAVE;
1906
1907         wid.id = WID_POWER_MANAGEMENT;
1908         wid.val = &power_mode;
1909         wid.size = sizeof(char);
1910         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1911         if (result)
1912                 netdev_err(vif->ndev, "Failed to send power management\n");
1913
1914         return result;
1915 }
1916
1917 int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count,
1918                                 u8 *mc_list)
1919 {
1920         int result;
1921         struct host_if_msg *msg;
1922
1923         msg = wilc_alloc_work(vif, handle_set_mcast_filter, false);
1924         if (IS_ERR(msg))
1925                 return PTR_ERR(msg);
1926
1927         msg->body.mc_info.enabled = enabled;
1928         msg->body.mc_info.cnt = count;
1929         msg->body.mc_info.mc_list = mc_list;
1930
1931         result = wilc_enqueue_work(msg);
1932         if (result) {
1933                 netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1934                 kfree(msg);
1935         }
1936         return result;
1937 }
1938
1939 int wilc_set_tx_power(struct wilc_vif *vif, u8 tx_power)
1940 {
1941         struct wid wid;
1942
1943         wid.id = WID_TX_POWER;
1944         wid.type = WID_CHAR;
1945         wid.val = &tx_power;
1946         wid.size = sizeof(char);
1947
1948         return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1949 }
1950
1951 int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power)
1952 {
1953         struct wid wid;
1954
1955         wid.id = WID_TX_POWER;
1956         wid.type = WID_CHAR;
1957         wid.val = tx_power;
1958         wid.size = sizeof(char);
1959
1960         return wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1961 }