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   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
  16struct wilc_rcvd_mac_info {
  17	u8 status;
  18};
  19
  20struct wilc_set_multicast {
  21	u32 enabled;
  22	u32 cnt;
  23	u8 *mc_list;
  24};
  25
  26struct host_if_wowlan_trigger {
  27	u8 wowlan_trigger;
  28};
  29
  30struct wilc_del_all_sta {
  31	u8 assoc_sta;
  32	u8 mac[WILC_MAX_NUM_STA][ETH_ALEN];
  33};
  34
  35union wilc_message_body {
  36	struct wilc_rcvd_net_info net_info;
  37	struct wilc_rcvd_mac_info mac_info;
  38	struct wilc_set_multicast mc_info;
  39	struct wilc_remain_ch remain_on_ch;
  40	char *data;
  41	struct host_if_wowlan_trigger wow_trigger;
  42};
  43
  44struct host_if_msg {
  45	union wilc_message_body body;
  46	struct wilc_vif *vif;
  47	struct work_struct work;
  48	void (*fn)(struct work_struct *ws);
  49	struct completion work_comp;
  50	bool is_sync;
  51};
  52
  53/* 'msg' should be free by the caller for syc */
  54static struct host_if_msg*
  55wilc_alloc_work(struct wilc_vif *vif, void (*work_fun)(struct work_struct *),
  56		bool is_sync)
  57{
  58	struct host_if_msg *msg;
  59
  60	if (!work_fun)
  61		return ERR_PTR(-EINVAL);
  62
  63	msg = kzalloc(sizeof(*msg), GFP_ATOMIC);
  64	if (!msg)
  65		return ERR_PTR(-ENOMEM);
  66	msg->fn = work_fun;
  67	msg->vif = vif;
  68	msg->is_sync = is_sync;
  69	if (is_sync)
  70		init_completion(&msg->work_comp);
  71
  72	return msg;
  73}
  74
  75static int wilc_enqueue_work(struct host_if_msg *msg)
  76{
  77	INIT_WORK(&msg->work, msg->fn);
  78
  79	if (!msg->vif || !msg->vif->wilc || !msg->vif->wilc->hif_workqueue)
  80		return -EINVAL;
  81
  82	if (!queue_work(msg->vif->wilc->hif_workqueue, &msg->work))
  83		return -EINVAL;
  84
  85	return 0;
  86}
  87
  88/* The idx starts from 0 to (NUM_CONCURRENT_IFC - 1), but 0 index used as
  89 * special purpose in wilc device, so we add 1 to the index to starts from 1.
  90 * As a result, the returned index will be 1 to NUM_CONCURRENT_IFC.
  91 */
  92int wilc_get_vif_idx(struct wilc_vif *vif)
  93{
  94	return vif->idx + 1;
  95}
  96
  97/* We need to minus 1 from idx which is from wilc device to get real index
  98 * of wilc->vif[], because we add 1 when pass to wilc device in the function
  99 * wilc_get_vif_idx.
 100 * As a result, the index should be between 0 and (NUM_CONCURRENT_IFC - 1).
 101 */
 102static struct wilc_vif *wilc_get_vif_from_idx(struct wilc *wilc, int idx)
 103{
 104	int index = idx - 1;
 105	struct wilc_vif *vif;
 106
 107	if (index < 0 || index >= WILC_NUM_CONCURRENT_IFC)
 108		return NULL;
 109
 110	list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
 111		if (vif->idx == index)
 112			return vif;
 113	}
 114
 115	return NULL;
 116}
 117
 118static int handle_scan_done(struct wilc_vif *vif, enum scan_event evt)
 119{
 120	int result = 0;
 121	u8 abort_running_scan;
 122	struct wid wid;
 123	struct host_if_drv *hif_drv = vif->hif_drv;
 124	struct wilc_user_scan_req *scan_req;
 125
 126	if (evt == SCAN_EVENT_ABORTED) {
 127		abort_running_scan = 1;
 128		wid.id = WID_ABORT_RUNNING_SCAN;
 129		wid.type = WID_CHAR;
 130		wid.val = (s8 *)&abort_running_scan;
 131		wid.size = sizeof(char);
 132
 133		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 134		if (result) {
 135			netdev_err(vif->ndev, "Failed to set abort running\n");
 136			result = -EFAULT;
 137		}
 138	}
 139
 140	if (!hif_drv) {
 141		netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
 142		return result;
 143	}
 144
 145	scan_req = &hif_drv->usr_scan_req;
 146	if (scan_req->scan_result) {
 147		scan_req->scan_result(evt, NULL, scan_req->arg);
 148		scan_req->scan_result = NULL;
 149	}
 150
 151	return result;
 152}
 153
 154int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type,
 155	      u8 *ch_freq_list, u8 ch_list_len,
 156	      void (*scan_result_fn)(enum scan_event,
 157				     struct wilc_rcvd_net_info *, void *),
 158	      void *user_arg, struct cfg80211_scan_request *request)
 159{
 160	int result = 0;
 161	struct wid wid_list[WILC_SCAN_WID_LIST_SIZE];
 162	u32 index = 0;
 163	u32 i, scan_timeout;
 164	u8 *buffer;
 165	u8 valuesize = 0;
 166	u8 *search_ssid_vals = NULL;
 167	struct host_if_drv *hif_drv = vif->hif_drv;
 168
 169	if (hif_drv->hif_state >= HOST_IF_SCANNING &&
 170	    hif_drv->hif_state < HOST_IF_CONNECTED) {
 171		netdev_err(vif->ndev, "Already scan\n");
 172		result = -EBUSY;
 173		goto error;
 174	}
 175
 176	if (vif->connecting) {
 177		netdev_err(vif->ndev, "Don't do obss scan\n");
 178		result = -EBUSY;
 179		goto error;
 180	}
 181
 182	hif_drv->usr_scan_req.ch_cnt = 0;
 183
 184	if (request->n_ssids) {
 185		for (i = 0; i < request->n_ssids; i++)
 186			valuesize += ((request->ssids[i].ssid_len) + 1);
 187		search_ssid_vals = kmalloc(valuesize + 1, GFP_KERNEL);
 188		if (search_ssid_vals) {
 189			wid_list[index].id = WID_SSID_PROBE_REQ;
 190			wid_list[index].type = WID_STR;
 191			wid_list[index].val = search_ssid_vals;
 192			buffer = wid_list[index].val;
 193
 194			*buffer++ = request->n_ssids;
 195
 196			for (i = 0; i < request->n_ssids; i++) {
 197				*buffer++ = request->ssids[i].ssid_len;
 198				memcpy(buffer, request->ssids[i].ssid,
 199				       request->ssids[i].ssid_len);
 200				buffer += request->ssids[i].ssid_len;
 201			}
 202			wid_list[index].size = (s32)(valuesize + 1);
 203			index++;
 204		}
 205	}
 206
 207	wid_list[index].id = WID_INFO_ELEMENT_PROBE;
 208	wid_list[index].type = WID_BIN_DATA;
 209	wid_list[index].val = (s8 *)request->ie;
 210	wid_list[index].size = request->ie_len;
 211	index++;
 212
 213	wid_list[index].id = WID_SCAN_TYPE;
 214	wid_list[index].type = WID_CHAR;
 215	wid_list[index].size = sizeof(char);
 216	wid_list[index].val = (s8 *)&scan_type;
 217	index++;
 218
 219	if (scan_type == WILC_FW_PASSIVE_SCAN && request->duration) {
 220		wid_list[index].id = WID_PASSIVE_SCAN_TIME;
 221		wid_list[index].type = WID_SHORT;
 222		wid_list[index].size = sizeof(u16);
 223		wid_list[index].val = (s8 *)&request->duration;
 224		index++;
 225
 226		scan_timeout = (request->duration * ch_list_len) + 500;
 227	} else {
 228		scan_timeout = WILC_HIF_SCAN_TIMEOUT_MS;
 229	}
 230
 231	wid_list[index].id = WID_SCAN_CHANNEL_LIST;
 232	wid_list[index].type = WID_BIN_DATA;
 233
 234	if (ch_freq_list && ch_list_len > 0) {
 235		for (i = 0; i < ch_list_len; i++) {
 236			if (ch_freq_list[i] > 0)
 237				ch_freq_list[i] -= 1;
 238		}
 239	}
 240
 241	wid_list[index].val = ch_freq_list;
 242	wid_list[index].size = ch_list_len;
 243	index++;
 244
 245	wid_list[index].id = WID_START_SCAN_REQ;
 246	wid_list[index].type = WID_CHAR;
 247	wid_list[index].size = sizeof(char);
 248	wid_list[index].val = (s8 *)&scan_source;
 249	index++;
 250
 251	hif_drv->usr_scan_req.scan_result = scan_result_fn;
 252	hif_drv->usr_scan_req.arg = user_arg;
 253
 254	result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, index);
 255	if (result) {
 256		netdev_err(vif->ndev, "Failed to send scan parameters\n");
 257		goto error;
 258	}
 259
 260	hif_drv->scan_timer_vif = vif;
 261	mod_timer(&hif_drv->scan_timer,
 262		  jiffies + msecs_to_jiffies(scan_timeout));
 263
 264error:
 265
 266	kfree(search_ssid_vals);
 267
 268	return result;
 269}
 270
 271static int wilc_send_connect_wid(struct wilc_vif *vif)
 272{
 273	int result = 0;
 274	struct wid wid_list[5];
 275	u32 wid_cnt = 0;
 276	struct host_if_drv *hif_drv = vif->hif_drv;
 277	struct wilc_conn_info *conn_attr = &hif_drv->conn_info;
 278	struct wilc_join_bss_param *bss_param = conn_attr->param;
 279
 280
 281        wid_list[wid_cnt].id = WID_SET_MFP;
 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->mfp_type;
 285        wid_cnt++;
 286
 287	wid_list[wid_cnt].id = WID_INFO_ELEMENT_ASSOCIATE;
 288	wid_list[wid_cnt].type = WID_BIN_DATA;
 289	wid_list[wid_cnt].val = conn_attr->req_ies;
 290	wid_list[wid_cnt].size = conn_attr->req_ies_len;
 291	wid_cnt++;
 292
 293	wid_list[wid_cnt].id = WID_11I_MODE;
 294	wid_list[wid_cnt].type = WID_CHAR;
 295	wid_list[wid_cnt].size = sizeof(char);
 296	wid_list[wid_cnt].val = (s8 *)&conn_attr->security;
 297	wid_cnt++;
 298
 299	wid_list[wid_cnt].id = WID_AUTH_TYPE;
 300	wid_list[wid_cnt].type = WID_CHAR;
 301	wid_list[wid_cnt].size = sizeof(char);
 302	wid_list[wid_cnt].val = (s8 *)&conn_attr->auth_type;
 303	wid_cnt++;
 304
 305	wid_list[wid_cnt].id = WID_JOIN_REQ_EXTENDED;
 306	wid_list[wid_cnt].type = WID_STR;
 307	wid_list[wid_cnt].size = sizeof(*bss_param);
 308	wid_list[wid_cnt].val = (u8 *)bss_param;
 309	wid_cnt++;
 310
 311	result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, wid_cnt);
 312	if (result) {
 313		netdev_err(vif->ndev, "failed to send config packet\n");
 314		goto error;
 315	} else {
 316                if (conn_attr->auth_type == WILC_FW_AUTH_SAE)
 317                        hif_drv->hif_state = HOST_IF_EXTERNAL_AUTH;
 318                else
 319                        hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP;
 320	}
 321
 322	return 0;
 323
 324error:
 325
 326	kfree(conn_attr->req_ies);
 327	conn_attr->req_ies = NULL;
 328
 329	return result;
 330}
 331
 332static void handle_connect_timeout(struct work_struct *work)
 333{
 334	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 335	struct wilc_vif *vif = msg->vif;
 336	int result;
 337	struct wid wid;
 338	u16 dummy_reason_code = 0;
 339	struct host_if_drv *hif_drv = vif->hif_drv;
 340
 341	if (!hif_drv) {
 342		netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
 343		goto out;
 344	}
 345
 346	hif_drv->hif_state = HOST_IF_IDLE;
 347
 348	if (hif_drv->conn_info.conn_result) {
 349		hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_CONN_RESP,
 350					       WILC_MAC_STATUS_DISCONNECTED,
 351					       hif_drv->conn_info.arg);
 352
 353	} else {
 354		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
 355	}
 356
 357	wid.id = WID_DISCONNECT;
 358	wid.type = WID_CHAR;
 359	wid.val = (s8 *)&dummy_reason_code;
 360	wid.size = sizeof(char);
 361
 362	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 363	if (result)
 364		netdev_err(vif->ndev, "Failed to send disconnect\n");
 365
 366	hif_drv->conn_info.req_ies_len = 0;
 367	kfree(hif_drv->conn_info.req_ies);
 368	hif_drv->conn_info.req_ies = NULL;
 369
 370out:
 371	kfree(msg);
 372}
 373
 374void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
 375				struct cfg80211_crypto_settings *crypto)
 376{
 377	struct wilc_join_bss_param *param;
 378	struct ieee80211_p2p_noa_attr noa_attr;
 379	u8 rates_len = 0;
 380	const u8 *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
 381	const u8 *ht_ie, *wpa_ie, *wmm_ie, *rsn_ie;
 382	int ret;
 383	const struct cfg80211_bss_ies *ies = rcu_dereference(bss->ies);
 384
 385	param = kzalloc(sizeof(*param), GFP_KERNEL);
 386	if (!param)
 387		return NULL;
 388
 389	param->beacon_period = cpu_to_le16(bss->beacon_interval);
 390	param->cap_info = cpu_to_le16(bss->capability);
 391	param->bss_type = WILC_FW_BSS_TYPE_INFRA;
 392	param->ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
 393	ether_addr_copy(param->bssid, bss->bssid);
 394
 395	ssid_elm = cfg80211_find_ie(WLAN_EID_SSID, ies->data, ies->len);
 396	if (ssid_elm) {
 397		if (ssid_elm[1] <= IEEE80211_MAX_SSID_LEN)
 398			memcpy(param->ssid, ssid_elm + 2, ssid_elm[1]);
 399	}
 400
 401	tim_elm = cfg80211_find_ie(WLAN_EID_TIM, ies->data, ies->len);
 402	if (tim_elm && tim_elm[1] >= 2)
 403		param->dtim_period = tim_elm[3];
 404
 405	memset(param->p_suites, 0xFF, 3);
 406	memset(param->akm_suites, 0xFF, 3);
 407
 408	rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies->data, ies->len);
 409	if (rates_ie) {
 410		rates_len = rates_ie[1];
 411		if (rates_len > WILC_MAX_RATES_SUPPORTED)
 412			rates_len = WILC_MAX_RATES_SUPPORTED;
 413		param->supp_rates[0] = rates_len;
 414		memcpy(&param->supp_rates[1], rates_ie + 2, rates_len);
 415	}
 416
 417	if (rates_len < WILC_MAX_RATES_SUPPORTED) {
 418		supp_rates_ie = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
 419						 ies->data, ies->len);
 420		if (supp_rates_ie) {
 421			u8 ext_rates = supp_rates_ie[1];
 422
 423			if (ext_rates > (WILC_MAX_RATES_SUPPORTED - rates_len))
 424				param->supp_rates[0] = WILC_MAX_RATES_SUPPORTED;
 425			else
 426				param->supp_rates[0] += ext_rates;
 427
 428			memcpy(&param->supp_rates[rates_len + 1],
 429			       supp_rates_ie + 2,
 430			       (param->supp_rates[0] - rates_len));
 431		}
 432	}
 433
 434	ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies->data, ies->len);
 435	if (ht_ie)
 436		param->ht_capable = true;
 437
 438	ret = cfg80211_get_p2p_attr(ies->data, ies->len,
 439				    IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
 440				    (u8 *)&noa_attr, sizeof(noa_attr));
 441	if (ret > 0) {
 442		param->tsf_lo = cpu_to_le32(ies->tsf);
 443		param->noa_enabled = 1;
 444		param->idx = noa_attr.index;
 445		if (noa_attr.oppps_ctwindow & IEEE80211_P2P_OPPPS_ENABLE_BIT) {
 446			param->opp_enabled = 1;
 447			param->opp_en.ct_window = noa_attr.oppps_ctwindow;
 448			param->opp_en.cnt = noa_attr.desc[0].count;
 449			param->opp_en.duration = noa_attr.desc[0].duration;
 450			param->opp_en.interval = noa_attr.desc[0].interval;
 451			param->opp_en.start_time = noa_attr.desc[0].start_time;
 452		} else {
 453			param->opp_enabled = 0;
 454			param->opp_dis.cnt = noa_attr.desc[0].count;
 455			param->opp_dis.duration = noa_attr.desc[0].duration;
 456			param->opp_dis.interval = noa_attr.desc[0].interval;
 457			param->opp_dis.start_time = noa_attr.desc[0].start_time;
 458		}
 459	}
 460	wmm_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 461					 WLAN_OUI_TYPE_MICROSOFT_WMM,
 462					 ies->data, ies->len);
 463	if (wmm_ie) {
 464		struct ieee80211_wmm_param_ie *ie;
 465
 466		ie = (struct ieee80211_wmm_param_ie *)wmm_ie;
 467		if ((ie->oui_subtype == 0 || ie->oui_subtype == 1) &&
 468		    ie->version == 1) {
 469			param->wmm_cap = true;
 470			if (ie->qos_info & BIT(7))
 471				param->uapsd_cap = true;
 472		}
 473	}
 474
 475	wpa_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 476					 WLAN_OUI_TYPE_MICROSOFT_WPA,
 477					 ies->data, ies->len);
 478	if (wpa_ie) {
 479		param->mode_802_11i = 1;
 480		param->rsn_found = true;
 481	}
 482
 483	rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies->data, ies->len);
 484	if (rsn_ie) {
 485		int rsn_ie_len = sizeof(struct element) + rsn_ie[1];
 486		int offset = 8;
 487
 488		/* extract RSN capabilities */
 489		if (offset < rsn_ie_len) {
 490			/* skip over pairwise suites */
 491			offset += (rsn_ie[offset] * 4) + 2;
 492
 493			if (offset < rsn_ie_len) {
 494				/* skip over authentication suites */
 495				offset += (rsn_ie[offset] * 4) + 2;
 496
 497				if (offset + 1 < rsn_ie_len) {
 498					param->mode_802_11i = 2;
 499					param->rsn_found = true;
 500					memcpy(param->rsn_cap, &rsn_ie[offset], 2);
 501				}
 502			}
 503		}
 504	}
 505
 506	if (param->rsn_found) {
 507		int i;
 508
 509		param->rsn_grp_policy = crypto->cipher_group & 0xFF;
 510		for (i = 0; i < crypto->n_ciphers_pairwise && i < 3; i++)
 511			param->p_suites[i] = crypto->ciphers_pairwise[i] & 0xFF;
 512
 513		for (i = 0; i < crypto->n_akm_suites && i < 3; i++)
 514			param->akm_suites[i] = crypto->akm_suites[i] & 0xFF;
 515	}
 516
 517	return (void *)param;
 518}
 519
 520static void handle_rcvd_ntwrk_info(struct work_struct *work)
 521{
 522	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 523	struct wilc_rcvd_net_info *rcvd_info = &msg->body.net_info;
 524	struct wilc_user_scan_req *scan_req = &msg->vif->hif_drv->usr_scan_req;
 525	const u8 *ch_elm;
 526	u8 *ies;
 527	int ies_len;
 528	size_t offset;
 529
 530	if (ieee80211_is_probe_resp(rcvd_info->mgmt->frame_control))
 531		offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
 532	else if (ieee80211_is_beacon(rcvd_info->mgmt->frame_control))
 533		offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
 534	else
 535		goto done;
 536
 537	ies = rcvd_info->mgmt->u.beacon.variable;
 538	ies_len = rcvd_info->frame_len - offset;
 539	if (ies_len <= 0)
 540		goto done;
 541
 542	ch_elm = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ies, ies_len);
 543	if (ch_elm && ch_elm[1] > 0)
 544		rcvd_info->ch = ch_elm[2];
 545
 546	if (scan_req->scan_result)
 547		scan_req->scan_result(SCAN_EVENT_NETWORK_FOUND, rcvd_info,
 548				      scan_req->arg);
 549
 550done:
 551	kfree(rcvd_info->mgmt);
 552	kfree(msg);
 553}
 554
 555static void host_int_get_assoc_res_info(struct wilc_vif *vif,
 556					u8 *assoc_resp_info,
 557					u32 max_assoc_resp_info_len,
 558					u32 *rcvd_assoc_resp_info_len)
 559{
 560	int result;
 561	struct wid wid;
 562
 563	wid.id = WID_ASSOC_RES_INFO;
 564	wid.type = WID_STR;
 565	wid.val = assoc_resp_info;
 566	wid.size = max_assoc_resp_info_len;
 567
 568	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
 569	if (result) {
 570		*rcvd_assoc_resp_info_len = 0;
 571		netdev_err(vif->ndev, "Failed to send association response\n");
 572		return;
 573	}
 574
 575	*rcvd_assoc_resp_info_len = wid.size;
 576}
 577
 578static s32 wilc_parse_assoc_resp_info(u8 *buffer, u32 buffer_len,
 579				      struct wilc_conn_info *ret_conn_info)
 580{
 581	u8 *ies;
 582	u16 ies_len;
 583	struct wilc_assoc_resp *res = (struct wilc_assoc_resp *)buffer;
 584
 585	ret_conn_info->status = le16_to_cpu(res->status_code);
 586	if (ret_conn_info->status == WLAN_STATUS_SUCCESS) {
 587		ies = &buffer[sizeof(*res)];
 588		ies_len = buffer_len - sizeof(*res);
 589
 590		ret_conn_info->resp_ies = kmemdup(ies, ies_len, GFP_KERNEL);
 591		if (!ret_conn_info->resp_ies)
 592			return -ENOMEM;
 593
 594		ret_conn_info->resp_ies_len = ies_len;
 595	}
 596
 597	return 0;
 598}
 599
 600static inline void host_int_parse_assoc_resp_info(struct wilc_vif *vif,
 601						  u8 mac_status)
 602{
 603	struct host_if_drv *hif_drv = vif->hif_drv;
 604	struct wilc_conn_info *conn_info = &hif_drv->conn_info;
 605
 606	if (mac_status == WILC_MAC_STATUS_CONNECTED) {
 607		u32 assoc_resp_info_len;
 608
 609		memset(hif_drv->assoc_resp, 0, WILC_MAX_ASSOC_RESP_FRAME_SIZE);
 610
 611		host_int_get_assoc_res_info(vif, hif_drv->assoc_resp,
 612					    WILC_MAX_ASSOC_RESP_FRAME_SIZE,
 613					    &assoc_resp_info_len);
 614
 615		if (assoc_resp_info_len != 0) {
 616			s32 err = 0;
 617
 618			err = wilc_parse_assoc_resp_info(hif_drv->assoc_resp,
 619							 assoc_resp_info_len,
 620							 conn_info);
 621			if (err)
 622				netdev_err(vif->ndev,
 623					   "wilc_parse_assoc_resp_info() returned error %d\n",
 624					   err);
 625		}
 626	}
 627
 628	del_timer(&hif_drv->connect_timer);
 629	conn_info->conn_result(CONN_DISCONN_EVENT_CONN_RESP, mac_status,
 630			       hif_drv->conn_info.arg);
 631
 632	if (mac_status == WILC_MAC_STATUS_CONNECTED &&
 633	    conn_info->status == WLAN_STATUS_SUCCESS) {
 634		ether_addr_copy(hif_drv->assoc_bssid, conn_info->bssid);
 635		hif_drv->hif_state = HOST_IF_CONNECTED;
 636	} else {
 637		hif_drv->hif_state = HOST_IF_IDLE;
 638	}
 639
 640	kfree(conn_info->resp_ies);
 641	conn_info->resp_ies = NULL;
 642	conn_info->resp_ies_len = 0;
 643
 644	kfree(conn_info->req_ies);
 645	conn_info->req_ies = NULL;
 646	conn_info->req_ies_len = 0;
 647}
 648
 649void wilc_handle_disconnect(struct wilc_vif *vif)
 650{
 651	struct host_if_drv *hif_drv = vif->hif_drv;
 652
 653	if (hif_drv->usr_scan_req.scan_result) {
 654		del_timer(&hif_drv->scan_timer);
 655		handle_scan_done(vif, SCAN_EVENT_ABORTED);
 656	}
 657
 658	if (hif_drv->conn_info.conn_result)
 659		hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF,
 660					       0, hif_drv->conn_info.arg);
 661
 662	eth_zero_addr(hif_drv->assoc_bssid);
 663
 664	hif_drv->conn_info.req_ies_len = 0;
 665	kfree(hif_drv->conn_info.req_ies);
 666	hif_drv->conn_info.req_ies = NULL;
 667	hif_drv->hif_state = HOST_IF_IDLE;
 668}
 669
 670static void handle_rcvd_gnrl_async_info(struct work_struct *work)
 671{
 672	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 673	struct wilc_vif *vif = msg->vif;
 674	struct wilc_rcvd_mac_info *mac_info = &msg->body.mac_info;
 675	struct host_if_drv *hif_drv = vif->hif_drv;
 676
 677	if (!hif_drv) {
 678		netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
 679		goto free_msg;
 680	}
 681
 682	if (!hif_drv->conn_info.conn_result) {
 683		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
 684		goto free_msg;
 685	}
 686
 687
 688        if (hif_drv->hif_state == HOST_IF_EXTERNAL_AUTH) {
 689                cfg80211_external_auth_request(vif->ndev, &vif->auth,
 690					       GFP_KERNEL);
 691                hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP;
 692        } else if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) {
 693		host_int_parse_assoc_resp_info(vif, mac_info->status);
 694	} else if (mac_info->status == WILC_MAC_STATUS_DISCONNECTED) {
 695		if (hif_drv->hif_state == HOST_IF_CONNECTED) {
 696			wilc_handle_disconnect(vif);
 697		} else if (hif_drv->usr_scan_req.scan_result) {
 698			del_timer(&hif_drv->scan_timer);
 699			handle_scan_done(vif, SCAN_EVENT_ABORTED);
 700		}
 701	}
 702
 703free_msg:
 704	kfree(msg);
 705}
 706
 707int wilc_disconnect(struct wilc_vif *vif)
 708{
 709	struct wid wid;
 710	struct host_if_drv *hif_drv = vif->hif_drv;
 711	struct wilc_user_scan_req *scan_req;
 712	struct wilc_conn_info *conn_info;
 713	int result;
 714	u16 dummy_reason_code = 0;
 715
 716	wid.id = WID_DISCONNECT;
 717	wid.type = WID_CHAR;
 718	wid.val = (s8 *)&dummy_reason_code;
 719	wid.size = sizeof(char);
 720
 721	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 722	if (result) {
 723		netdev_err(vif->ndev, "Failed to send disconnect\n");
 724		return result;
 725	}
 726
 727	scan_req = &hif_drv->usr_scan_req;
 728	conn_info = &hif_drv->conn_info;
 729
 730	if (scan_req->scan_result) {
 731		del_timer(&hif_drv->scan_timer);
 732		scan_req->scan_result(SCAN_EVENT_ABORTED, NULL, scan_req->arg);
 733		scan_req->scan_result = NULL;
 734	}
 735
 736	if (conn_info->conn_result) {
 737		if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP ||
 738		    hif_drv->hif_state == HOST_IF_EXTERNAL_AUTH)
 739			del_timer(&hif_drv->connect_timer);
 740
 741		conn_info->conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, 0,
 742				       conn_info->arg);
 743	} else {
 744		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
 745	}
 746
 747	hif_drv->hif_state = HOST_IF_IDLE;
 748
 749	eth_zero_addr(hif_drv->assoc_bssid);
 750
 751	conn_info->req_ies_len = 0;
 752	kfree(conn_info->req_ies);
 753	conn_info->req_ies = NULL;
 754
 755	return 0;
 756}
 757
 758int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats)
 759{
 760	struct wid wid_list[5];
 761	u32 wid_cnt = 0, result;
 762
 763	wid_list[wid_cnt].id = WID_LINKSPEED;
 764	wid_list[wid_cnt].type = WID_CHAR;
 765	wid_list[wid_cnt].size = sizeof(char);
 766	wid_list[wid_cnt].val = (s8 *)&stats->link_speed;
 767	wid_cnt++;
 768
 769	wid_list[wid_cnt].id = WID_RSSI;
 770	wid_list[wid_cnt].type = WID_CHAR;
 771	wid_list[wid_cnt].size = sizeof(char);
 772	wid_list[wid_cnt].val = (s8 *)&stats->rssi;
 773	wid_cnt++;
 774
 775	wid_list[wid_cnt].id = WID_SUCCESS_FRAME_COUNT;
 776	wid_list[wid_cnt].type = WID_INT;
 777	wid_list[wid_cnt].size = sizeof(u32);
 778	wid_list[wid_cnt].val = (s8 *)&stats->tx_cnt;
 779	wid_cnt++;
 780
 781	wid_list[wid_cnt].id = WID_RECEIVED_FRAGMENT_COUNT;
 782	wid_list[wid_cnt].type = WID_INT;
 783	wid_list[wid_cnt].size = sizeof(u32);
 784	wid_list[wid_cnt].val = (s8 *)&stats->rx_cnt;
 785	wid_cnt++;
 786
 787	wid_list[wid_cnt].id = WID_FAILED_COUNT;
 788	wid_list[wid_cnt].type = WID_INT;
 789	wid_list[wid_cnt].size = sizeof(u32);
 790	wid_list[wid_cnt].val = (s8 *)&stats->tx_fail_cnt;
 791	wid_cnt++;
 792
 793	result = wilc_send_config_pkt(vif, WILC_GET_CFG, wid_list, wid_cnt);
 794	if (result) {
 795		netdev_err(vif->ndev, "Failed to send scan parameters\n");
 796		return result;
 797	}
 798
 799	if (stats->link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH &&
 800	    stats->link_speed != DEFAULT_LINK_SPEED)
 801		wilc_enable_tcp_ack_filter(vif, true);
 802	else if (stats->link_speed != DEFAULT_LINK_SPEED)
 803		wilc_enable_tcp_ack_filter(vif, false);
 804
 805	return result;
 806}
 807
 808static void handle_get_statistics(struct work_struct *work)
 809{
 810	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 811	struct wilc_vif *vif = msg->vif;
 812	struct rf_info *stats = (struct rf_info *)msg->body.data;
 813
 814	wilc_get_statistics(vif, stats);
 815
 816	kfree(msg);
 817}
 818
 819static void wilc_hif_pack_sta_param(u8 *cur_byte, const u8 *mac,
 820				    struct station_parameters *params)
 821{
 822	ether_addr_copy(cur_byte, mac);
 823	cur_byte += ETH_ALEN;
 824
 825	put_unaligned_le16(params->aid, cur_byte);
 826	cur_byte += 2;
 827
 828	*cur_byte++ = params->link_sta_params.supported_rates_len;
 829	if (params->link_sta_params.supported_rates_len > 0)
 830		memcpy(cur_byte, params->link_sta_params.supported_rates,
 831		       params->link_sta_params.supported_rates_len);
 832	cur_byte += params->link_sta_params.supported_rates_len;
 833
 834	if (params->link_sta_params.ht_capa) {
 835		*cur_byte++ = true;
 836		memcpy(cur_byte, params->link_sta_params.ht_capa,
 837		       sizeof(struct ieee80211_ht_cap));
 838	} else {
 839		*cur_byte++ = false;
 840	}
 841	cur_byte += sizeof(struct ieee80211_ht_cap);
 842
 843	put_unaligned_le16(params->sta_flags_mask, cur_byte);
 844	cur_byte += 2;
 845	put_unaligned_le16(params->sta_flags_set, cur_byte);
 846}
 847
 848static int handle_remain_on_chan(struct wilc_vif *vif,
 849				 struct wilc_remain_ch *hif_remain_ch)
 850{
 851	int result;
 852	u8 remain_on_chan_flag;
 853	struct wid wid;
 854	struct host_if_drv *hif_drv = vif->hif_drv;
 855
 856	if (hif_drv->usr_scan_req.scan_result)
 857		return -EBUSY;
 858
 859	if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP)
 860		return -EBUSY;
 861
 862	if (vif->connecting)
 863		return -EBUSY;
 864
 865	remain_on_chan_flag = true;
 866	wid.id = WID_REMAIN_ON_CHAN;
 867	wid.type = WID_STR;
 868	wid.size = 2;
 869	wid.val = kmalloc(wid.size, GFP_KERNEL);
 870	if (!wid.val)
 871		return -ENOMEM;
 872
 873	wid.val[0] = remain_on_chan_flag;
 874	wid.val[1] = (s8)hif_remain_ch->ch;
 875
 876	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 877	kfree(wid.val);
 878	if (result)
 879		return -EBUSY;
 880
 881	hif_drv->remain_on_ch.arg = hif_remain_ch->arg;
 882	hif_drv->remain_on_ch.expired = hif_remain_ch->expired;
 883	hif_drv->remain_on_ch.ch = hif_remain_ch->ch;
 884	hif_drv->remain_on_ch.cookie = hif_remain_ch->cookie;
 885	hif_drv->remain_on_ch_timer_vif = vif;
 886
 887	return 0;
 888}
 889
 890static int wilc_handle_roc_expired(struct wilc_vif *vif, u64 cookie)
 891{
 892	u8 remain_on_chan_flag;
 893	struct wid wid;
 894	int result;
 895	struct host_if_drv *hif_drv = vif->hif_drv;
 896
 897	if (vif->priv.p2p_listen_state) {
 898		remain_on_chan_flag = false;
 899		wid.id = WID_REMAIN_ON_CHAN;
 900		wid.type = WID_STR;
 901		wid.size = 2;
 902
 903		wid.val = kmalloc(wid.size, GFP_KERNEL);
 904		if (!wid.val)
 905			return -ENOMEM;
 906
 907		wid.val[0] = remain_on_chan_flag;
 908		wid.val[1] = WILC_FALSE_FRMWR_CHANNEL;
 909
 910		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 911		kfree(wid.val);
 912		if (result != 0) {
 913			netdev_err(vif->ndev, "Failed to set remain channel\n");
 914			return -EINVAL;
 915		}
 916
 917		if (hif_drv->remain_on_ch.expired) {
 918			hif_drv->remain_on_ch.expired(hif_drv->remain_on_ch.arg,
 919						      cookie);
 920		}
 921	} else {
 922		netdev_dbg(vif->ndev, "Not in listen state\n");
 923	}
 924
 925	return 0;
 926}
 927
 928static void wilc_handle_listen_state_expired(struct work_struct *work)
 929{
 930	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 931
 932	wilc_handle_roc_expired(msg->vif, msg->body.remain_on_ch.cookie);
 933	kfree(msg);
 934}
 935
 936static void listen_timer_cb(struct timer_list *t)
 937{
 938	struct host_if_drv *hif_drv = from_timer(hif_drv, t,
 939						      remain_on_ch_timer);
 940	struct wilc_vif *vif = hif_drv->remain_on_ch_timer_vif;
 941	int result;
 942	struct host_if_msg *msg;
 943
 944	del_timer(&vif->hif_drv->remain_on_ch_timer);
 945
 946	msg = wilc_alloc_work(vif, wilc_handle_listen_state_expired, false);
 947	if (IS_ERR(msg))
 948		return;
 949
 950	msg->body.remain_on_ch.cookie = vif->hif_drv->remain_on_ch.cookie;
 951
 952	result = wilc_enqueue_work(msg);
 953	if (result) {
 954		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
 955		kfree(msg);
 956	}
 957}
 958
 959static void handle_set_mcast_filter(struct work_struct *work)
 960{
 961	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
 962	struct wilc_vif *vif = msg->vif;
 963	struct wilc_set_multicast *set_mc = &msg->body.mc_info;
 964	int result;
 965	struct wid wid;
 966	u8 *cur_byte;
 967
 968	wid.id = WID_SETUP_MULTICAST_FILTER;
 969	wid.type = WID_BIN;
 970	wid.size = sizeof(struct wilc_set_multicast) + (set_mc->cnt * ETH_ALEN);
 971	wid.val = kmalloc(wid.size, GFP_KERNEL);
 972	if (!wid.val)
 973		goto error;
 974
 975	cur_byte = wid.val;
 976	put_unaligned_le32(set_mc->enabled, cur_byte);
 977	cur_byte += 4;
 978
 979	put_unaligned_le32(set_mc->cnt, cur_byte);
 980	cur_byte += 4;
 981
 982	if (set_mc->cnt > 0 && set_mc->mc_list)
 983		memcpy(cur_byte, set_mc->mc_list, set_mc->cnt * ETH_ALEN);
 984
 985	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
 986	if (result)
 987		netdev_err(vif->ndev, "Failed to send setup multicast\n");
 988
 989error:
 990	kfree(set_mc->mc_list);
 991	kfree(wid.val);
 992	kfree(msg);
 993}
 994
 995void wilc_set_wowlan_trigger(struct wilc_vif *vif, bool enabled)
 996{
 997	int ret;
 998	struct wid wid;
 999	u8 wowlan_trigger = 0;
1000
1001	if (enabled)
1002		wowlan_trigger = 1;
1003
1004	wid.id = WID_WOWLAN_TRIGGER;
1005	wid.type = WID_CHAR;
1006	wid.val = &wowlan_trigger;
1007	wid.size = sizeof(char);
1008
1009	ret = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1010	if (ret)
1011		pr_err("Failed to send wowlan trigger config packet\n");
1012}
1013
1014int wilc_set_external_auth_param(struct wilc_vif *vif,
1015				 struct cfg80211_external_auth_params *auth)
1016{
1017	int ret;
1018	struct wid wid;
1019	struct wilc_external_auth_param *param;
1020
1021	wid.id = WID_EXTERNAL_AUTH_PARAM;
1022	wid.type = WID_BIN_DATA;
1023	wid.size = sizeof(*param);
1024	param = kzalloc(sizeof(*param), GFP_KERNEL);
1025	if (!param)
1026		return -EINVAL;
1027
1028	wid.val = (u8 *)param;
1029	param->action = auth->action;
1030	ether_addr_copy(param->bssid, auth->bssid);
1031	memcpy(param->ssid, auth->ssid.ssid, auth->ssid.ssid_len);
1032	param->ssid_len = auth->ssid.ssid_len;
1033	ret = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1034
1035	kfree(param);
1036	return ret;
1037}
1038
1039static void handle_scan_timer(struct work_struct *work)
1040{
1041	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
1042
1043	handle_scan_done(msg->vif, SCAN_EVENT_ABORTED);
1044	kfree(msg);
1045}
1046
1047static void handle_scan_complete(struct work_struct *work)
1048{
1049	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
1050
1051	del_timer(&msg->vif->hif_drv->scan_timer);
1052
1053	handle_scan_done(msg->vif, SCAN_EVENT_DONE);
1054
1055	kfree(msg);
1056}
1057
1058static void timer_scan_cb(struct timer_list *t)
1059{
1060	struct host_if_drv *hif_drv = from_timer(hif_drv, t, scan_timer);
1061	struct wilc_vif *vif = hif_drv->scan_timer_vif;
1062	struct host_if_msg *msg;
1063	int result;
1064
1065	msg = wilc_alloc_work(vif, handle_scan_timer, false);
1066	if (IS_ERR(msg))
1067		return;
1068
1069	result = wilc_enqueue_work(msg);
1070	if (result)
1071		kfree(msg);
1072}
1073
1074static void timer_connect_cb(struct timer_list *t)
1075{
1076	struct host_if_drv *hif_drv = from_timer(hif_drv, t,
1077						      connect_timer);
1078	struct wilc_vif *vif = hif_drv->connect_timer_vif;
1079	struct host_if_msg *msg;
1080	int result;
1081
1082	msg = wilc_alloc_work(vif, handle_connect_timeout, false);
1083	if (IS_ERR(msg))
1084		return;
1085
1086	result = wilc_enqueue_work(msg);
1087	if (result)
1088		kfree(msg);
1089}
1090
1091int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
1092		 const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic,
1093		 u8 mode, u8 cipher_mode, u8 index)
1094{
1095	int result = 0;
1096	u8 t_key_len  = ptk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
1097
1098	if (mode == WILC_AP_MODE) {
1099		struct wid wid_list[2];
1100		struct wilc_ap_wpa_ptk *key_buf;
1101
1102		wid_list[0].id = WID_11I_MODE;
1103		wid_list[0].type = WID_CHAR;
1104		wid_list[0].size = sizeof(char);
1105		wid_list[0].val = (s8 *)&cipher_mode;
1106
1107		key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1108		if (!key_buf)
1109			return -ENOMEM;
1110
1111		ether_addr_copy(key_buf->mac_addr, mac_addr);
1112		key_buf->index = index;
1113		key_buf->key_len = t_key_len;
1114		memcpy(&key_buf->key[0], ptk, ptk_key_len);
1115
1116		if (rx_mic)
1117			memcpy(&key_buf->key[ptk_key_len], rx_mic,
1118			       WILC_RX_MIC_KEY_LEN);
1119
1120		if (tx_mic)
1121			memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
1122			       tx_mic, WILC_TX_MIC_KEY_LEN);
1123
1124		wid_list[1].id = WID_ADD_PTK;
1125		wid_list[1].type = WID_STR;
1126		wid_list[1].size = sizeof(*key_buf) + t_key_len;
1127		wid_list[1].val = (u8 *)key_buf;
1128		result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1129					      ARRAY_SIZE(wid_list));
1130		kfree(key_buf);
1131	} else if (mode == WILC_STATION_MODE) {
1132		struct wid wid;
1133		struct wilc_sta_wpa_ptk *key_buf;
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->key_len = t_key_len;
1141		memcpy(&key_buf->key[0], ptk, ptk_key_len);
1142
1143		if (rx_mic)
1144			memcpy(&key_buf->key[ptk_key_len], rx_mic,
1145			       WILC_RX_MIC_KEY_LEN);
1146
1147		if (tx_mic)
1148			memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
1149			       tx_mic, WILC_TX_MIC_KEY_LEN);
1150
1151		wid.id = WID_ADD_PTK;
1152		wid.type = WID_STR;
1153		wid.size = sizeof(*key_buf) + t_key_len;
1154		wid.val = (s8 *)key_buf;
1155		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1156		kfree(key_buf);
1157	}
1158
1159	return result;
1160}
1161
1162int wilc_add_igtk(struct wilc_vif *vif, const u8 *igtk, u8 igtk_key_len,
1163		  const u8 *pn, u8 pn_len, const u8 *mac_addr, u8 mode, u8 index)
1164{
1165	int result = 0;
1166	u8 t_key_len = igtk_key_len;
1167	struct wid wid;
1168	struct wilc_wpa_igtk *key_buf;
1169
1170	key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1171	if (!key_buf)
1172		return -ENOMEM;
1173
1174	key_buf->index = index;
1175
1176	memcpy(&key_buf->pn[0], pn, pn_len);
1177	key_buf->pn_len = pn_len;
1178
1179	memcpy(&key_buf->key[0], igtk, igtk_key_len);
1180	key_buf->key_len = t_key_len;
1181
1182	wid.id = WID_ADD_IGTK;
1183	wid.type = WID_STR;
1184	wid.size = sizeof(*key_buf) + t_key_len;
1185	wid.val = (s8 *)key_buf;
1186	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1187	kfree(key_buf);
1188
1189	return result;
1190}
1191
1192int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
1193		    u8 index, u32 key_rsc_len, const u8 *key_rsc,
1194		    const u8 *rx_mic, const u8 *tx_mic, u8 mode,
1195		    u8 cipher_mode)
1196{
1197	int result = 0;
1198	struct wilc_gtk_key *gtk_key;
1199	int t_key_len = gtk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
1200
1201	gtk_key = kzalloc(sizeof(*gtk_key) + t_key_len, GFP_KERNEL);
1202	if (!gtk_key)
1203		return -ENOMEM;
1204
1205	/* fill bssid value only in station mode */
1206	if (mode == WILC_STATION_MODE &&
1207	    vif->hif_drv->hif_state == HOST_IF_CONNECTED)
1208		memcpy(gtk_key->mac_addr, vif->hif_drv->assoc_bssid, ETH_ALEN);
1209
1210	if (key_rsc)
1211		memcpy(gtk_key->rsc, key_rsc, 8);
1212	gtk_key->index = index;
1213	gtk_key->key_len = t_key_len;
1214	memcpy(&gtk_key->key[0], rx_gtk, gtk_key_len);
1215
1216	if (rx_mic)
1217		memcpy(&gtk_key->key[gtk_key_len], rx_mic, WILC_RX_MIC_KEY_LEN);
1218
1219	if (tx_mic)
1220		memcpy(&gtk_key->key[gtk_key_len + WILC_RX_MIC_KEY_LEN],
1221		       tx_mic, WILC_TX_MIC_KEY_LEN);
1222
1223	if (mode == WILC_AP_MODE) {
1224		struct wid wid_list[2];
1225
1226		wid_list[0].id = WID_11I_MODE;
1227		wid_list[0].type = WID_CHAR;
1228		wid_list[0].size = sizeof(char);
1229		wid_list[0].val = (s8 *)&cipher_mode;
1230
1231		wid_list[1].id = WID_ADD_RX_GTK;
1232		wid_list[1].type = WID_STR;
1233		wid_list[1].size = sizeof(*gtk_key) + t_key_len;
1234		wid_list[1].val = (u8 *)gtk_key;
1235
1236		result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1237					      ARRAY_SIZE(wid_list));
1238	} else if (mode == WILC_STATION_MODE) {
1239		struct wid wid;
1240
1241		wid.id = WID_ADD_RX_GTK;
1242		wid.type = WID_STR;
1243		wid.size = sizeof(*gtk_key) + t_key_len;
1244		wid.val = (u8 *)gtk_key;
1245		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1246	}
1247
1248	kfree(gtk_key);
1249	return result;
1250}
1251
1252int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid)
1253{
1254	struct wid wid;
1255
1256	wid.id = WID_PMKID_INFO;
1257	wid.type = WID_STR;
1258	wid.size = (pmkid->numpmkid * sizeof(struct wilc_pmkid)) + 1;
1259	wid.val = (u8 *)pmkid;
1260
1261	return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1262}
1263
1264int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr)
1265{
1266	int result;
1267	struct wid wid;
1268
1269	wid.id = WID_MAC_ADDR;
1270	wid.type = WID_STR;
1271	wid.size = ETH_ALEN;
1272	wid.val = mac_addr;
1273
1274	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1275	if (result)
1276		netdev_err(vif->ndev, "Failed to get mac address\n");
1277
1278	return result;
1279}
1280
1281int wilc_set_mac_address(struct wilc_vif *vif, u8 *mac_addr)
1282{
1283	struct wid wid;
1284	int result;
1285
1286	wid.id = WID_MAC_ADDR;
1287	wid.type = WID_STR;
1288	wid.size = ETH_ALEN;
1289	wid.val = mac_addr;
1290
1291	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1292	if (result)
1293		netdev_err(vif->ndev, "Failed to set mac address\n");
1294
1295	return result;
1296}
1297
1298int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies,
1299		      size_t ies_len)
1300{
1301	int result;
1302	struct host_if_drv *hif_drv = vif->hif_drv;
1303	struct wilc_conn_info *conn_info = &hif_drv->conn_info;
1304
1305	if (bssid)
1306		ether_addr_copy(conn_info->bssid, bssid);
1307
1308	if (ies) {
1309		conn_info->req_ies_len = ies_len;
1310		conn_info->req_ies = kmemdup(ies, ies_len, GFP_KERNEL);
1311		if (!conn_info->req_ies)
1312			return -ENOMEM;
1313	}
1314
1315	result = wilc_send_connect_wid(vif);
1316	if (result)
1317		goto free_ies;
1318
1319	hif_drv->connect_timer_vif = vif;
1320	mod_timer(&hif_drv->connect_timer,
1321		  jiffies + msecs_to_jiffies(WILC_HIF_CONNECT_TIMEOUT_MS));
1322
1323	return 0;
1324
1325free_ies:
1326	kfree(conn_info->req_ies);
1327
1328	return result;
1329}
1330
1331int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel)
1332{
1333	struct wid wid;
1334	int result;
1335
1336	wid.id = WID_CURRENT_CHANNEL;
1337	wid.type = WID_CHAR;
1338	wid.size = sizeof(char);
1339	wid.val = &channel;
1340
1341	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1342	if (result)
1343		netdev_err(vif->ndev, "Failed to set channel\n");
1344
1345	return result;
1346}
1347
1348int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode,
1349			    u8 ifc_id)
1350{
1351	struct wid wid;
1352	int result;
1353	struct wilc_drv_handler drv;
1354
1355	wid.id = WID_SET_OPERATION_MODE;
1356	wid.type = WID_STR;
1357	wid.size = sizeof(drv);
1358	wid.val = (u8 *)&drv;
1359
1360	drv.handler = cpu_to_le32(index);
1361	drv.mode = (ifc_id | (mode << 1));
1362
1363	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1364	if (result)
1365		netdev_err(vif->ndev, "Failed to set driver handler\n");
1366
1367	return result;
1368}
1369
1370s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac, u32 *out_val)
1371{
1372	struct wid wid;
1373	s32 result;
1374
1375	wid.id = WID_SET_STA_MAC_INACTIVE_TIME;
1376	wid.type = WID_STR;
1377	wid.size = ETH_ALEN;
1378	wid.val = kzalloc(wid.size, GFP_KERNEL);
1379	if (!wid.val)
1380		return -ENOMEM;
1381
1382	ether_addr_copy(wid.val, mac);
1383	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1384	kfree(wid.val);
1385	if (result) {
1386		netdev_err(vif->ndev, "Failed to set inactive mac\n");
1387		return result;
1388	}
1389
1390	wid.id = WID_GET_INACTIVE_TIME;
1391	wid.type = WID_INT;
1392	wid.val = (s8 *)out_val;
1393	wid.size = sizeof(u32);
1394	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1395	if (result)
1396		netdev_err(vif->ndev, "Failed to get inactive time\n");
1397
1398	return result;
1399}
1400
1401int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level)
1402{
1403	struct wid wid;
1404	int result;
1405
1406	if (!rssi_level) {
1407		netdev_err(vif->ndev, "%s: RSSI level is NULL\n", __func__);
1408		return -EFAULT;
1409	}
1410
1411	wid.id = WID_RSSI;
1412	wid.type = WID_CHAR;
1413	wid.size = sizeof(char);
1414	wid.val = rssi_level;
1415	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1416	if (result)
1417		netdev_err(vif->ndev, "Failed to get RSSI value\n");
1418
1419	return result;
1420}
1421
1422static int wilc_get_stats_async(struct wilc_vif *vif, struct rf_info *stats)
1423{
1424	int result;
1425	struct host_if_msg *msg;
1426
1427	msg = wilc_alloc_work(vif, handle_get_statistics, false);
1428	if (IS_ERR(msg))
1429		return PTR_ERR(msg);
1430
1431	msg->body.data = (char *)stats;
1432
1433	result = wilc_enqueue_work(msg);
1434	if (result) {
1435		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1436		kfree(msg);
1437		return result;
1438	}
1439
1440	return result;
1441}
1442
1443int wilc_hif_set_cfg(struct wilc_vif *vif, struct cfg_param_attr *param)
1444{
1445	struct wid wid_list[4];
1446	int i = 0;
1447
1448	if (param->flag & WILC_CFG_PARAM_RETRY_SHORT) {
1449		wid_list[i].id = WID_SHORT_RETRY_LIMIT;
1450		wid_list[i].val = (s8 *)&param->short_retry_limit;
1451		wid_list[i].type = WID_SHORT;
1452		wid_list[i].size = sizeof(u16);
1453		i++;
1454	}
1455	if (param->flag & WILC_CFG_PARAM_RETRY_LONG) {
1456		wid_list[i].id = WID_LONG_RETRY_LIMIT;
1457		wid_list[i].val = (s8 *)&param->long_retry_limit;
1458		wid_list[i].type = WID_SHORT;
1459		wid_list[i].size = sizeof(u16);
1460		i++;
1461	}
1462	if (param->flag & WILC_CFG_PARAM_FRAG_THRESHOLD) {
1463		wid_list[i].id = WID_FRAG_THRESHOLD;
1464		wid_list[i].val = (s8 *)&param->frag_threshold;
1465		wid_list[i].type = WID_SHORT;
1466		wid_list[i].size = sizeof(u16);
1467		i++;
1468	}
1469	if (param->flag & WILC_CFG_PARAM_RTS_THRESHOLD) {
1470		wid_list[i].id = WID_RTS_THRESHOLD;
1471		wid_list[i].val = (s8 *)&param->rts_threshold;
1472		wid_list[i].type = WID_SHORT;
1473		wid_list[i].size = sizeof(u16);
1474		i++;
1475	}
1476
1477	return wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, i);
1478}
1479
1480static void get_periodic_rssi(struct timer_list *t)
1481{
1482	struct wilc_vif *vif = from_timer(vif, t, periodic_rssi);
1483
1484	if (!vif->hif_drv) {
1485		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1486		return;
1487	}
1488
1489	if (vif->hif_drv->hif_state == HOST_IF_CONNECTED)
1490		wilc_get_stats_async(vif, &vif->periodic_stat);
1491
1492	mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
1493}
1494
1495int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler)
1496{
1497	struct host_if_drv *hif_drv;
1498	struct wilc_vif *vif = netdev_priv(dev);
1499
1500	hif_drv  = kzalloc(sizeof(*hif_drv), GFP_KERNEL);
1501	if (!hif_drv)
1502		return -ENOMEM;
1503
1504	*hif_drv_handler = hif_drv;
1505
1506	vif->hif_drv = hif_drv;
1507
1508	timer_setup(&vif->periodic_rssi, get_periodic_rssi, 0);
1509	mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
1510
1511	timer_setup(&hif_drv->scan_timer, timer_scan_cb, 0);
1512	timer_setup(&hif_drv->connect_timer, timer_connect_cb, 0);
1513	timer_setup(&hif_drv->remain_on_ch_timer, listen_timer_cb, 0);
1514
1515	hif_drv->hif_state = HOST_IF_IDLE;
1516
1517	hif_drv->p2p_timeout = 0;
1518
1519	return 0;
1520}
1521
1522int wilc_deinit(struct wilc_vif *vif)
1523{
1524	int result = 0;
1525	struct host_if_drv *hif_drv = vif->hif_drv;
1526
1527	if (!hif_drv) {
1528		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1529		return -EFAULT;
1530	}
1531
1532	mutex_lock(&vif->wilc->deinit_lock);
1533
1534	timer_shutdown_sync(&hif_drv->scan_timer);
1535	timer_shutdown_sync(&hif_drv->connect_timer);
1536	del_timer_sync(&vif->periodic_rssi);
1537	timer_shutdown_sync(&hif_drv->remain_on_ch_timer);
1538
1539	if (hif_drv->usr_scan_req.scan_result) {
1540		hif_drv->usr_scan_req.scan_result(SCAN_EVENT_ABORTED, NULL,
1541						  hif_drv->usr_scan_req.arg);
1542		hif_drv->usr_scan_req.scan_result = NULL;
1543	}
1544
1545	hif_drv->hif_state = HOST_IF_IDLE;
1546
1547	kfree(hif_drv);
1548	vif->hif_drv = NULL;
1549	mutex_unlock(&vif->wilc->deinit_lock);
1550	return result;
1551}
1552
1553void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length)
1554{
1555	int result;
1556	struct host_if_msg *msg;
1557	int id;
1558	struct host_if_drv *hif_drv;
1559	struct wilc_vif *vif;
1560
1561	id = get_unaligned_le32(&buffer[length - 4]);
1562	vif = wilc_get_vif_from_idx(wilc, id);
1563	if (!vif)
1564		return;
1565	hif_drv = vif->hif_drv;
1566
1567	if (!hif_drv) {
1568		netdev_err(vif->ndev, "driver not init[%p]\n", hif_drv);
1569		return;
1570	}
1571
1572	msg = wilc_alloc_work(vif, handle_rcvd_ntwrk_info, false);
1573	if (IS_ERR(msg))
1574		return;
1575
1576	msg->body.net_info.frame_len = get_unaligned_le16(&buffer[6]) - 1;
1577	msg->body.net_info.rssi = buffer[8];
1578	msg->body.net_info.mgmt = kmemdup(&buffer[9],
1579					  msg->body.net_info.frame_len,
1580					  GFP_KERNEL);
1581	if (!msg->body.net_info.mgmt) {
1582		kfree(msg);
1583		return;
1584	}
1585
1586	result = wilc_enqueue_work(msg);
1587	if (result) {
1588		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1589		kfree(msg->body.net_info.mgmt);
1590		kfree(msg);
1591	}
1592}
1593
1594void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length)
1595{
1596	int result;
1597	struct host_if_msg *msg;
1598	int id;
1599	struct host_if_drv *hif_drv;
1600	struct wilc_vif *vif;
1601
1602	mutex_lock(&wilc->deinit_lock);
1603
1604	id = get_unaligned_le32(&buffer[length - 4]);
1605	vif = wilc_get_vif_from_idx(wilc, id);
1606	if (!vif) {
1607		mutex_unlock(&wilc->deinit_lock);
1608		return;
1609	}
1610
1611	hif_drv = vif->hif_drv;
1612
1613	if (!hif_drv) {
1614		mutex_unlock(&wilc->deinit_lock);
1615		return;
1616	}
1617
1618	if (!hif_drv->conn_info.conn_result) {
1619		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
1620		mutex_unlock(&wilc->deinit_lock);
1621		return;
1622	}
1623
1624	msg = wilc_alloc_work(vif, handle_rcvd_gnrl_async_info, false);
1625	if (IS_ERR(msg)) {
1626		mutex_unlock(&wilc->deinit_lock);
1627		return;
1628	}
1629
1630	msg->body.mac_info.status = buffer[7];
1631	result = wilc_enqueue_work(msg);
1632	if (result) {
1633		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1634		kfree(msg);
1635	}
1636
1637	mutex_unlock(&wilc->deinit_lock);
1638}
1639
1640void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length)
1641{
1642	int result;
1643	int id;
1644	struct host_if_drv *hif_drv;
1645	struct wilc_vif *vif;
1646
1647	id = get_unaligned_le32(&buffer[length - 4]);
1648	vif = wilc_get_vif_from_idx(wilc, id);
1649	if (!vif)
1650		return;
1651	hif_drv = vif->hif_drv;
1652
1653	if (!hif_drv)
1654		return;
1655
1656	if (hif_drv->usr_scan_req.scan_result) {
1657		struct host_if_msg *msg;
1658
1659		msg = wilc_alloc_work(vif, handle_scan_complete, false);
1660		if (IS_ERR(msg))
1661			return;
1662
1663		result = wilc_enqueue_work(msg);
1664		if (result) {
1665			netdev_err(vif->ndev, "%s: enqueue work failed\n",
1666				   __func__);
1667			kfree(msg);
1668		}
1669	}
1670}
1671
1672int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie,
1673			   u32 duration, u16 chan,
1674			   void (*expired)(void *, u64),
1675			   void *user_arg)
1676{
1677	struct wilc_remain_ch roc;
1678	int result;
1679
1680	roc.ch = chan;
1681	roc.expired = expired;
1682	roc.arg = user_arg;
1683	roc.duration = duration;
1684	roc.cookie = cookie;
1685	result = handle_remain_on_chan(vif, &roc);
1686	if (result)
1687		netdev_err(vif->ndev, "%s: failed to set remain on channel\n",
1688			   __func__);
1689
1690	return result;
1691}
1692
1693int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie)
1694{
1695	if (!vif->hif_drv) {
1696		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1697		return -EFAULT;
1698	}
1699
1700	del_timer(&vif->hif_drv->remain_on_ch_timer);
1701
1702	return wilc_handle_roc_expired(vif, cookie);
1703}
1704
1705void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg)
1706{
1707	struct wid wid;
1708	int result;
1709	struct wilc_reg_frame reg_frame;
1710
1711	wid.id = WID_REGISTER_FRAME;
1712	wid.type = WID_STR;
1713	wid.size = sizeof(reg_frame);
1714	wid.val = (u8 *)&reg_frame;
1715
1716	memset(&reg_frame, 0x0, sizeof(reg_frame));
1717
1718	if (reg)
1719		reg_frame.reg = 1;
1720
1721	switch (frame_type) {
1722	case IEEE80211_STYPE_ACTION:
1723		reg_frame.reg_id = WILC_FW_ACTION_FRM_IDX;
1724		break;
1725
1726	case IEEE80211_STYPE_PROBE_REQ:
1727		reg_frame.reg_id = WILC_FW_PROBE_REQ_IDX;
1728		break;
1729
1730        case IEEE80211_STYPE_AUTH:
1731                reg_frame.reg_id = WILC_FW_AUTH_REQ_IDX;
1732                break;
1733
1734	default:
1735		break;
1736	}
1737	reg_frame.frame_type = cpu_to_le16(frame_type);
1738	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1739	if (result)
1740		netdev_err(vif->ndev, "Failed to frame register\n");
1741}
1742
1743int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period,
1744		    struct cfg80211_beacon_data *params)
1745{
1746	struct wid wid;
1747	int result;
1748	u8 *cur_byte;
1749
1750	wid.id = WID_ADD_BEACON;
1751	wid.type = WID_BIN;
1752	wid.size = params->head_len + params->tail_len + 16;
1753	wid.val = kzalloc(wid.size, GFP_KERNEL);
1754	if (!wid.val)
1755		return -ENOMEM;
1756
1757	cur_byte = wid.val;
1758	put_unaligned_le32(interval, cur_byte);
1759	cur_byte += 4;
1760	put_unaligned_le32(dtim_period, cur_byte);
1761	cur_byte += 4;
1762	put_unaligned_le32(params->head_len, cur_byte);
1763	cur_byte += 4;
1764
1765	if (params->head_len > 0)
1766		memcpy(cur_byte, params->head, params->head_len);
1767	cur_byte += params->head_len;
1768
1769	put_unaligned_le32(params->tail_len, cur_byte);
1770	cur_byte += 4;
1771
1772	if (params->tail_len > 0)
1773		memcpy(cur_byte, params->tail, params->tail_len);
1774
1775	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1776	if (result)
1777		netdev_err(vif->ndev, "Failed to send add beacon\n");
1778
1779	kfree(wid.val);
1780
1781	return result;
1782}
1783
1784int wilc_del_beacon(struct wilc_vif *vif)
1785{
1786	int result;
1787	struct wid wid;
1788	u8 del_beacon = 0;
1789
1790	wid.id = WID_DEL_BEACON;
1791	wid.type = WID_CHAR;
1792	wid.size = sizeof(char);
1793	wid.val = &del_beacon;
1794
1795	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1796	if (result)
1797		netdev_err(vif->ndev, "Failed to send delete beacon\n");
1798
1799	return result;
1800}
1801
1802int wilc_add_station(struct wilc_vif *vif, const u8 *mac,
1803		     struct station_parameters *params)
1804{
1805	struct wid wid;
1806	int result;
1807	u8 *cur_byte;
1808
1809	wid.id = WID_ADD_STA;
1810	wid.type = WID_BIN;
1811	wid.size = WILC_ADD_STA_LENGTH +
1812		   params->link_sta_params.supported_rates_len;
1813	wid.val = kmalloc(wid.size, GFP_KERNEL);
1814	if (!wid.val)
1815		return -ENOMEM;
1816
1817	cur_byte = wid.val;
1818	wilc_hif_pack_sta_param(cur_byte, mac, params);
1819
1820	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1821	if (result != 0)
1822		netdev_err(vif->ndev, "Failed to send add station\n");
1823
1824	kfree(wid.val);
1825
1826	return result;
1827}
1828
1829int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr)
1830{
1831	struct wid wid;
1832	int result;
1833
1834	wid.id = WID_REMOVE_STA;
1835	wid.type = WID_BIN;
1836	wid.size = ETH_ALEN;
1837	wid.val = kzalloc(wid.size, GFP_KERNEL);
1838	if (!wid.val)
1839		return -ENOMEM;
1840
1841	if (!mac_addr)
1842		eth_broadcast_addr(wid.val);
1843	else
1844		ether_addr_copy(wid.val, mac_addr);
1845
1846	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1847	if (result)
1848		netdev_err(vif->ndev, "Failed to del station\n");
1849
1850	kfree(wid.val);
1851
1852	return result;
1853}
1854
1855int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN])
1856{
1857	struct wid wid;
1858	int result;
1859	int i;
1860	u8 assoc_sta = 0;
1861	struct wilc_del_all_sta del_sta;
1862
1863	memset(&del_sta, 0x0, sizeof(del_sta));
1864	for (i = 0; i < WILC_MAX_NUM_STA; i++) {
1865		if (!is_zero_ether_addr(mac_addr[i])) {
1866			assoc_sta++;
1867			ether_addr_copy(del_sta.mac[i], mac_addr[i]);
1868		}
1869	}
1870
1871	if (!assoc_sta)
1872		return 0;
1873
1874	del_sta.assoc_sta = assoc_sta;
1875
1876	wid.id = WID_DEL_ALL_STA;
1877	wid.type = WID_STR;
1878	wid.size = (assoc_sta * ETH_ALEN) + 1;
1879	wid.val = (u8 *)&del_sta;
1880
1881	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1882	if (result)
1883		netdev_err(vif->ndev, "Failed to send delete all station\n");
1884
1885	return result;
1886}
1887
1888int wilc_edit_station(struct wilc_vif *vif, const u8 *mac,
1889		      struct station_parameters *params)
1890{
1891	struct wid wid;
1892	int result;
1893	u8 *cur_byte;
1894
1895	wid.id = WID_EDIT_STA;
1896	wid.type = WID_BIN;
1897	wid.size = WILC_ADD_STA_LENGTH +
1898		   params->link_sta_params.supported_rates_len;
1899	wid.val = kmalloc(wid.size, GFP_KERNEL);
1900	if (!wid.val)
1901		return -ENOMEM;
1902
1903	cur_byte = wid.val;
1904	wilc_hif_pack_sta_param(cur_byte, mac, params);
1905
1906	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1907	if (result)
1908		netdev_err(vif->ndev, "Failed to send edit station\n");
1909
1910	kfree(wid.val);
1911	return result;
1912}
1913
1914int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout)
1915{
1916	struct wilc *wilc = vif->wilc;
1917	struct wid wid;
1918	int result;
1919	s8 power_mode;
1920
1921	if (enabled)
1922		power_mode = WILC_FW_MIN_FAST_PS;
1923	else
1924		power_mode = WILC_FW_NO_POWERSAVE;
1925
1926	wid.id = WID_POWER_MANAGEMENT;
1927	wid.val = &power_mode;
1928	wid.size = sizeof(char);
1929	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1930	if (result)
1931		netdev_err(vif->ndev, "Failed to send power management\n");
1932	else
1933		wilc->power_save_mode = enabled;
1934
1935	return result;
1936}
1937
1938int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count,
1939				u8 *mc_list)
1940{
1941	int result;
1942	struct host_if_msg *msg;
1943
1944	msg = wilc_alloc_work(vif, handle_set_mcast_filter, false);
1945	if (IS_ERR(msg))
1946		return PTR_ERR(msg);
1947
1948	msg->body.mc_info.enabled = enabled;
1949	msg->body.mc_info.cnt = count;
1950	msg->body.mc_info.mc_list = mc_list;
1951
1952	result = wilc_enqueue_work(msg);
1953	if (result) {
1954		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1955		kfree(msg);
1956	}
1957	return result;
1958}
1959
1960int wilc_set_tx_power(struct wilc_vif *vif, u8 tx_power)
1961{
1962	struct wid wid;
1963
1964	wid.id = WID_TX_POWER;
1965	wid.type = WID_CHAR;
1966	wid.val = &tx_power;
1967	wid.size = sizeof(char);
1968
1969	return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1970}
1971
1972int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power)
1973{
1974	struct wid wid;
1975
1976	wid.id = WID_TX_POWER;
1977	wid.type = WID_CHAR;
1978	wid.val = tx_power;
1979	wid.size = sizeof(char);
1980
1981	return wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1982}
1983
1984int wilc_set_default_mgmt_key_index(struct wilc_vif *vif, u8 index)
1985{
1986        struct wid wid;
1987        int result;
1988
1989        wid.id = WID_DEFAULT_MGMT_KEY_ID;
1990        wid.type = WID_CHAR;
1991        wid.size = sizeof(char);
1992        wid.val = &index;
1993        result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1994        if (result)
1995                netdev_err(vif->ndev,
1996                           "Failed to send default mgmt key index\n");
1997
1998        return result;
1999}