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	wilc_for_each_vif(wilc, vif) {
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->priv);
148		scan_req->scan_result = NULL;
149	}
150
151	return result;
152}
153
154int wilc_scan(struct wilc_vif *vif, u8 scan_source,
155	      u8 scan_type, u8 *ch_freq_list,
156	      void (*scan_result_fn)(enum scan_event,
157				     struct wilc_rcvd_net_info *,
158				     struct wilc_priv *),
159	      struct cfg80211_scan_request *request)
160{
161	int result = 0;
162	struct wid wid_list[WILC_SCAN_WID_LIST_SIZE];
163	u32 index = 0;
164	u32 i, scan_timeout;
165	u8 *buffer;
166	u8 valuesize = 0;
167	u8 *search_ssid_vals = NULL;
168	const u8 ch_list_len = request->n_channels;
169	struct host_if_drv *hif_drv = vif->hif_drv;
170
171	if (hif_drv->hif_state >= HOST_IF_SCANNING &&
172	    hif_drv->hif_state < HOST_IF_CONNECTED) {
173		netdev_err(vif->ndev, "Already scan\n");
174		result = -EBUSY;
175		goto error;
176	}
177
178	if (vif->connecting) {
179		netdev_err(vif->ndev, "Don't do obss scan\n");
180		result = -EBUSY;
181		goto error;
182	}
183
184	hif_drv->usr_scan_req.ch_cnt = 0;
185
186	if (request->n_ssids) {
187		for (i = 0; i < request->n_ssids; i++)
188			valuesize += ((request->ssids[i].ssid_len) + 1);
189		search_ssid_vals = kmalloc(valuesize + 1, GFP_KERNEL);
190		if (search_ssid_vals) {
191			wid_list[index].id = WID_SSID_PROBE_REQ;
192			wid_list[index].type = WID_STR;
193			wid_list[index].val = search_ssid_vals;
194			buffer = wid_list[index].val;
195
196			*buffer++ = request->n_ssids;
197
198			for (i = 0; i < request->n_ssids; i++) {
199				*buffer++ = request->ssids[i].ssid_len;
200				memcpy(buffer, request->ssids[i].ssid,
201				       request->ssids[i].ssid_len);
202				buffer += request->ssids[i].ssid_len;
203			}
204			wid_list[index].size = (s32)(valuesize + 1);
205			index++;
206		}
207	}
208
209	wid_list[index].id = WID_INFO_ELEMENT_PROBE;
210	wid_list[index].type = WID_BIN_DATA;
211	wid_list[index].val = (s8 *)request->ie;
212	wid_list[index].size = request->ie_len;
213	index++;
214
215	wid_list[index].id = WID_SCAN_TYPE;
216	wid_list[index].type = WID_CHAR;
217	wid_list[index].size = sizeof(char);
218	wid_list[index].val = (s8 *)&scan_type;
219	index++;
220
221	if (scan_type == WILC_FW_PASSIVE_SCAN && request->duration) {
222		wid_list[index].id = WID_PASSIVE_SCAN_TIME;
223		wid_list[index].type = WID_SHORT;
224		wid_list[index].size = sizeof(u16);
225		wid_list[index].val = (s8 *)&request->duration;
226		index++;
227
228		scan_timeout = (request->duration * ch_list_len) + 500;
229	} else {
230		scan_timeout = WILC_HIF_SCAN_TIMEOUT_MS;
231	}
232
233	wid_list[index].id = WID_SCAN_CHANNEL_LIST;
234	wid_list[index].type = WID_BIN_DATA;
235
236	if (ch_freq_list && ch_list_len > 0) {
237		for (i = 0; i < ch_list_len; i++) {
238			if (ch_freq_list[i] > 0)
239				ch_freq_list[i] -= 1;
240		}
241	}
242
243	wid_list[index].val = ch_freq_list;
244	wid_list[index].size = ch_list_len;
245	index++;
246
247	wid_list[index].id = WID_START_SCAN_REQ;
248	wid_list[index].type = WID_CHAR;
249	wid_list[index].size = sizeof(char);
250	wid_list[index].val = (s8 *)&scan_source;
251	index++;
252
253	hif_drv->usr_scan_req.scan_result = scan_result_fn;
254	hif_drv->usr_scan_req.priv = &vif->priv;
255
256	result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, index);
257	if (result) {
258		netdev_err(vif->ndev, "Failed to send scan parameters\n");
259		goto error;
260	}
261
262	hif_drv->scan_timer_vif = vif;
263	mod_timer(&hif_drv->scan_timer,
264		  jiffies + msecs_to_jiffies(scan_timeout));
265
266error:
267
268	kfree(search_ssid_vals);
269
270	return result;
271}
272
273static int wilc_send_connect_wid(struct wilc_vif *vif)
274{
275	int result = 0;
276	struct wid wid_list[5];
277	u32 wid_cnt = 0;
278	struct host_if_drv *hif_drv = vif->hif_drv;
279	struct wilc_conn_info *conn_attr = &hif_drv->conn_info;
280	struct wilc_join_bss_param *bss_param = conn_attr->param;
281
282
283        wid_list[wid_cnt].id = WID_SET_MFP;
284        wid_list[wid_cnt].type = WID_CHAR;
285        wid_list[wid_cnt].size = sizeof(char);
286        wid_list[wid_cnt].val = (s8 *)&conn_attr->mfp_type;
287        wid_cnt++;
288
289	wid_list[wid_cnt].id = WID_INFO_ELEMENT_ASSOCIATE;
290	wid_list[wid_cnt].type = WID_BIN_DATA;
291	wid_list[wid_cnt].val = conn_attr->req_ies;
292	wid_list[wid_cnt].size = conn_attr->req_ies_len;
293	wid_cnt++;
294
295	wid_list[wid_cnt].id = WID_11I_MODE;
296	wid_list[wid_cnt].type = WID_CHAR;
297	wid_list[wid_cnt].size = sizeof(char);
298	wid_list[wid_cnt].val = (s8 *)&conn_attr->security;
299	wid_cnt++;
300
301	wid_list[wid_cnt].id = WID_AUTH_TYPE;
302	wid_list[wid_cnt].type = WID_CHAR;
303	wid_list[wid_cnt].size = sizeof(char);
304	wid_list[wid_cnt].val = (s8 *)&conn_attr->auth_type;
305	wid_cnt++;
306
307	wid_list[wid_cnt].id = WID_JOIN_REQ_EXTENDED;
308	wid_list[wid_cnt].type = WID_STR;
309	wid_list[wid_cnt].size = sizeof(*bss_param);
310	wid_list[wid_cnt].val = (u8 *)bss_param;
311	wid_cnt++;
312
313	result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, wid_cnt);
314	if (result) {
315		netdev_err(vif->ndev, "failed to send config packet\n");
316		goto error;
317	} else {
318                if (conn_attr->auth_type == WILC_FW_AUTH_SAE)
319                        hif_drv->hif_state = HOST_IF_EXTERNAL_AUTH;
320                else
321                        hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP;
322	}
323
324	return 0;
325
326error:
327
328	kfree(conn_attr->req_ies);
329	conn_attr->req_ies = NULL;
330
331	return result;
332}
333
334static void handle_connect_timeout(struct work_struct *work)
335{
336	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
337	struct wilc_vif *vif = msg->vif;
338	int result;
339	struct wid wid;
340	u16 dummy_reason_code = 0;
341	struct host_if_drv *hif_drv = vif->hif_drv;
342
343	if (!hif_drv) {
344		netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
345		goto out;
346	}
347
348	hif_drv->hif_state = HOST_IF_IDLE;
349
350	if (hif_drv->conn_info.conn_result) {
351		hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_CONN_RESP,
352					       WILC_MAC_STATUS_DISCONNECTED,
353					       hif_drv->conn_info.priv);
354
355	} else {
356		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
357	}
358
359	wid.id = WID_DISCONNECT;
360	wid.type = WID_CHAR;
361	wid.val = (s8 *)&dummy_reason_code;
362	wid.size = sizeof(char);
363
364	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
365	if (result)
366		netdev_err(vif->ndev, "Failed to send disconnect\n");
367
368	hif_drv->conn_info.req_ies_len = 0;
369	kfree(hif_drv->conn_info.req_ies);
370	hif_drv->conn_info.req_ies = NULL;
371
372out:
373	kfree(msg);
374}
375
376struct wilc_join_bss_param *
377wilc_parse_join_bss_param(struct cfg80211_bss *bss,
378			  struct cfg80211_crypto_settings *crypto)
379{
380	const u8 *ies_data, *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
381	const u8 *ht_ie, *wpa_ie, *wmm_ie, *rsn_ie;
382	struct ieee80211_p2p_noa_attr noa_attr;
383	const struct cfg80211_bss_ies *ies;
384	struct wilc_join_bss_param *param;
385	u8 rates_len = 0, ies_len;
386	int ret;
387
388	param = kzalloc(sizeof(*param), GFP_KERNEL);
389	if (!param)
390		return NULL;
391
392	rcu_read_lock();
393	ies = rcu_dereference(bss->ies);
394	ies_data = kmemdup(ies->data, ies->len, GFP_ATOMIC);
395	if (!ies_data) {
396		rcu_read_unlock();
397		kfree(param);
398		return NULL;
399	}
400	ies_len = ies->len;
401	rcu_read_unlock();
402
403	param->beacon_period = cpu_to_le16(bss->beacon_interval);
404	param->cap_info = cpu_to_le16(bss->capability);
405	param->bss_type = WILC_FW_BSS_TYPE_INFRA;
406	param->ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
407	ether_addr_copy(param->bssid, bss->bssid);
408
409	ssid_elm = cfg80211_find_ie(WLAN_EID_SSID, ies_data, ies_len);
410	if (ssid_elm) {
411		if (ssid_elm[1] <= IEEE80211_MAX_SSID_LEN)
412			memcpy(param->ssid, ssid_elm + 2, ssid_elm[1]);
413	}
414
415	tim_elm = cfg80211_find_ie(WLAN_EID_TIM, ies_data, ies_len);
416	if (tim_elm && tim_elm[1] >= 2)
417		param->dtim_period = tim_elm[3];
418
419	memset(param->p_suites, 0xFF, 3);
420	memset(param->akm_suites, 0xFF, 3);
421
422	rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies_data, ies_len);
423	if (rates_ie) {
424		rates_len = rates_ie[1];
425		if (rates_len > WILC_MAX_RATES_SUPPORTED)
426			rates_len = WILC_MAX_RATES_SUPPORTED;
427		param->supp_rates[0] = rates_len;
428		memcpy(&param->supp_rates[1], rates_ie + 2, rates_len);
429	}
430
431	if (rates_len < WILC_MAX_RATES_SUPPORTED) {
432		supp_rates_ie = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
433						 ies_data, ies_len);
434		if (supp_rates_ie) {
435			u8 ext_rates = supp_rates_ie[1];
436
437			if (ext_rates > (WILC_MAX_RATES_SUPPORTED - rates_len))
438				param->supp_rates[0] = WILC_MAX_RATES_SUPPORTED;
439			else
440				param->supp_rates[0] += ext_rates;
441
442			memcpy(&param->supp_rates[rates_len + 1],
443			       supp_rates_ie + 2,
444			       (param->supp_rates[0] - rates_len));
445		}
446	}
447
448	ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies_data, ies_len);
449	if (ht_ie)
450		param->ht_capable = true;
451
452	ret = cfg80211_get_p2p_attr(ies_data, ies_len,
453				    IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
454				    (u8 *)&noa_attr, sizeof(noa_attr));
455	if (ret > 0) {
456		param->tsf_lo = cpu_to_le32(ies->tsf);
457		param->noa_enabled = 1;
458		param->idx = noa_attr.index;
459		if (noa_attr.oppps_ctwindow & IEEE80211_P2P_OPPPS_ENABLE_BIT) {
460			param->opp_enabled = 1;
461			param->opp_en.ct_window = noa_attr.oppps_ctwindow;
462			param->opp_en.cnt = noa_attr.desc[0].count;
463			param->opp_en.duration = noa_attr.desc[0].duration;
464			param->opp_en.interval = noa_attr.desc[0].interval;
465			param->opp_en.start_time = noa_attr.desc[0].start_time;
466		} else {
467			param->opp_enabled = 0;
468			param->opp_dis.cnt = noa_attr.desc[0].count;
469			param->opp_dis.duration = noa_attr.desc[0].duration;
470			param->opp_dis.interval = noa_attr.desc[0].interval;
471			param->opp_dis.start_time = noa_attr.desc[0].start_time;
472		}
473	}
474	wmm_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
475					 WLAN_OUI_TYPE_MICROSOFT_WMM,
476					 ies_data, ies_len);
477	if (wmm_ie) {
478		struct ieee80211_wmm_param_ie *ie;
479
480		ie = (struct ieee80211_wmm_param_ie *)wmm_ie;
481		if ((ie->oui_subtype == 0 || ie->oui_subtype == 1) &&
482		    ie->version == 1) {
483			param->wmm_cap = true;
484			if (ie->qos_info & BIT(7))
485				param->uapsd_cap = true;
486		}
487	}
488
489	wpa_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
490					 WLAN_OUI_TYPE_MICROSOFT_WPA,
491					 ies_data, ies_len);
492	if (wpa_ie) {
493		param->mode_802_11i = 1;
494		param->rsn_found = true;
495	}
496
497	rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies_data, ies_len);
498	if (rsn_ie) {
499		int rsn_ie_len = sizeof(struct element) + rsn_ie[1];
500		int offset = 8;
501
502		param->mode_802_11i = 2;
503		param->rsn_found = true;
504
505		/* extract RSN capabilities */
506		if (offset < rsn_ie_len) {
507			/* skip over pairwise suites */
508			offset += (rsn_ie[offset] * 4) + 2;
509
510			if (offset < rsn_ie_len) {
511				/* skip over authentication suites */
512				offset += (rsn_ie[offset] * 4) + 2;
513
514				if (offset + 1 < rsn_ie_len)
515					memcpy(param->rsn_cap, &rsn_ie[offset], 2);
516			}
517		}
518	}
519
520	if (param->rsn_found) {
521		int i;
522
523		param->rsn_grp_policy = crypto->cipher_group & 0xFF;
524		for (i = 0; i < crypto->n_ciphers_pairwise && i < 3; i++)
525			param->p_suites[i] = crypto->ciphers_pairwise[i] & 0xFF;
526
527		for (i = 0; i < crypto->n_akm_suites && i < 3; i++)
528			param->akm_suites[i] = crypto->akm_suites[i] & 0xFF;
529	}
530
531	kfree(ies_data);
532	return (void *)param;
533}
534
535static void handle_rcvd_ntwrk_info(struct work_struct *work)
536{
537	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
538	struct wilc_rcvd_net_info *rcvd_info = &msg->body.net_info;
539	struct wilc_user_scan_req *scan_req = &msg->vif->hif_drv->usr_scan_req;
540	const u8 *ch_elm;
541	u8 *ies;
542	int ies_len;
543	size_t offset;
544
545	if (ieee80211_is_probe_resp(rcvd_info->mgmt->frame_control))
546		offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
547	else if (ieee80211_is_beacon(rcvd_info->mgmt->frame_control))
548		offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
549	else
550		goto done;
551
552	ies = rcvd_info->mgmt->u.beacon.variable;
553	ies_len = rcvd_info->frame_len - offset;
554	if (ies_len <= 0)
555		goto done;
556
557	ch_elm = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ies, ies_len);
558	if (ch_elm && ch_elm[1] > 0)
559		rcvd_info->ch = ch_elm[2];
560
561	if (scan_req->scan_result)
562		scan_req->scan_result(SCAN_EVENT_NETWORK_FOUND, rcvd_info,
563				      scan_req->priv);
564
565done:
566	kfree(rcvd_info->mgmt);
567	kfree(msg);
568}
569
570static void host_int_get_assoc_res_info(struct wilc_vif *vif,
571					u8 *assoc_resp_info,
572					u32 max_assoc_resp_info_len,
573					u32 *rcvd_assoc_resp_info_len)
574{
575	int result;
576	struct wid wid;
577
578	wid.id = WID_ASSOC_RES_INFO;
579	wid.type = WID_STR;
580	wid.val = assoc_resp_info;
581	wid.size = max_assoc_resp_info_len;
582
583	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
584	if (result) {
585		*rcvd_assoc_resp_info_len = 0;
586		netdev_err(vif->ndev, "Failed to send association response\n");
587		return;
588	}
589
590	*rcvd_assoc_resp_info_len = wid.size;
591}
592
593static s32 wilc_parse_assoc_resp_info(u8 *buffer, u32 buffer_len,
594				      struct wilc_conn_info *ret_conn_info)
595{
596	u8 *ies;
597	u16 ies_len;
598	struct wilc_assoc_resp *res = (struct wilc_assoc_resp *)buffer;
599
600	ret_conn_info->status = le16_to_cpu(res->status_code);
601	if (ret_conn_info->status == WLAN_STATUS_SUCCESS) {
602		ies = &buffer[sizeof(*res)];
603		ies_len = buffer_len - sizeof(*res);
604
605		ret_conn_info->resp_ies = kmemdup(ies, ies_len, GFP_KERNEL);
606		if (!ret_conn_info->resp_ies)
607			return -ENOMEM;
608
609		ret_conn_info->resp_ies_len = ies_len;
610	}
611
612	return 0;
613}
614
615static inline void host_int_parse_assoc_resp_info(struct wilc_vif *vif,
616						  u8 mac_status)
617{
618	struct host_if_drv *hif_drv = vif->hif_drv;
619	struct wilc_conn_info *conn_info = &hif_drv->conn_info;
620
621	if (mac_status == WILC_MAC_STATUS_CONNECTED) {
622		u32 assoc_resp_info_len;
623
624		memset(hif_drv->assoc_resp, 0, WILC_MAX_ASSOC_RESP_FRAME_SIZE);
625
626		host_int_get_assoc_res_info(vif, hif_drv->assoc_resp,
627					    WILC_MAX_ASSOC_RESP_FRAME_SIZE,
628					    &assoc_resp_info_len);
629
630		if (assoc_resp_info_len != 0) {
631			s32 err = 0;
632
633			err = wilc_parse_assoc_resp_info(hif_drv->assoc_resp,
634							 assoc_resp_info_len,
635							 conn_info);
636			if (err)
637				netdev_err(vif->ndev,
638					   "wilc_parse_assoc_resp_info() returned error %d\n",
639					   err);
640		}
641	}
642
643	del_timer(&hif_drv->connect_timer);
644	conn_info->conn_result(CONN_DISCONN_EVENT_CONN_RESP, mac_status,
645			       hif_drv->conn_info.priv);
646
647	if (mac_status == WILC_MAC_STATUS_CONNECTED &&
648	    conn_info->status == WLAN_STATUS_SUCCESS) {
649		ether_addr_copy(hif_drv->assoc_bssid, conn_info->bssid);
650		hif_drv->hif_state = HOST_IF_CONNECTED;
651	} else {
652		hif_drv->hif_state = HOST_IF_IDLE;
653	}
654
655	kfree(conn_info->resp_ies);
656	conn_info->resp_ies = NULL;
657	conn_info->resp_ies_len = 0;
658
659	kfree(conn_info->req_ies);
660	conn_info->req_ies = NULL;
661	conn_info->req_ies_len = 0;
662}
663
664void wilc_handle_disconnect(struct wilc_vif *vif)
665{
666	struct host_if_drv *hif_drv = vif->hif_drv;
667
668	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	if (hif_drv->conn_info.conn_result)
674		hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF,
675					       0, hif_drv->conn_info.priv);
676
677	eth_zero_addr(hif_drv->assoc_bssid);
678
679	hif_drv->conn_info.req_ies_len = 0;
680	kfree(hif_drv->conn_info.req_ies);
681	hif_drv->conn_info.req_ies = NULL;
682	hif_drv->hif_state = HOST_IF_IDLE;
683}
684
685static void handle_rcvd_gnrl_async_info(struct work_struct *work)
686{
687	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
688	struct wilc_vif *vif = msg->vif;
689	struct wilc_rcvd_mac_info *mac_info = &msg->body.mac_info;
690	struct host_if_drv *hif_drv = vif->hif_drv;
691
692	if (!hif_drv) {
693		netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
694		goto free_msg;
695	}
696
697	if (!hif_drv->conn_info.conn_result) {
698		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
699		goto free_msg;
700	}
701
702
703        if (hif_drv->hif_state == HOST_IF_EXTERNAL_AUTH) {
704                cfg80211_external_auth_request(vif->ndev, &vif->auth,
705					       GFP_KERNEL);
706                hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP;
707        } else if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) {
708		host_int_parse_assoc_resp_info(vif, mac_info->status);
709	} else if (mac_info->status == WILC_MAC_STATUS_DISCONNECTED) {
710		if (hif_drv->hif_state == HOST_IF_CONNECTED) {
711			wilc_handle_disconnect(vif);
712		} else if (hif_drv->usr_scan_req.scan_result) {
713			del_timer(&hif_drv->scan_timer);
714			handle_scan_done(vif, SCAN_EVENT_ABORTED);
715		}
716	}
717
718free_msg:
719	kfree(msg);
720}
721
722int wilc_disconnect(struct wilc_vif *vif)
723{
724	struct wid wid;
725	struct host_if_drv *hif_drv = vif->hif_drv;
726	struct wilc_user_scan_req *scan_req;
727	struct wilc_conn_info *conn_info;
728	int result;
729	u16 dummy_reason_code = 0;
730
731	wid.id = WID_DISCONNECT;
732	wid.type = WID_CHAR;
733	wid.val = (s8 *)&dummy_reason_code;
734	wid.size = sizeof(char);
735
736	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
737	if (result) {
738		netdev_err(vif->ndev, "Failed to send disconnect\n");
739		return result;
740	}
741
742	scan_req = &hif_drv->usr_scan_req;
743	conn_info = &hif_drv->conn_info;
744
745	if (scan_req->scan_result) {
746		del_timer(&hif_drv->scan_timer);
747		scan_req->scan_result(SCAN_EVENT_ABORTED, NULL, scan_req->priv);
748		scan_req->scan_result = NULL;
749	}
750
751	if (conn_info->conn_result) {
752		if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP ||
753		    hif_drv->hif_state == HOST_IF_EXTERNAL_AUTH)
754			del_timer(&hif_drv->connect_timer);
755
756		conn_info->conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, 0,
757				       conn_info->priv);
758	} else {
759		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
760	}
761
762	hif_drv->hif_state = HOST_IF_IDLE;
763
764	eth_zero_addr(hif_drv->assoc_bssid);
765
766	conn_info->req_ies_len = 0;
767	kfree(conn_info->req_ies);
768	conn_info->req_ies = NULL;
769
770	return 0;
771}
772
773int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats)
774{
775	struct wid wid_list[5];
776	u32 wid_cnt = 0, result;
777
778	wid_list[wid_cnt].id = WID_LINKSPEED;
779	wid_list[wid_cnt].type = WID_CHAR;
780	wid_list[wid_cnt].size = sizeof(char);
781	wid_list[wid_cnt].val = (s8 *)&stats->link_speed;
782	wid_cnt++;
783
784	wid_list[wid_cnt].id = WID_RSSI;
785	wid_list[wid_cnt].type = WID_CHAR;
786	wid_list[wid_cnt].size = sizeof(char);
787	wid_list[wid_cnt].val = (s8 *)&stats->rssi;
788	wid_cnt++;
789
790	wid_list[wid_cnt].id = WID_SUCCESS_FRAME_COUNT;
791	wid_list[wid_cnt].type = WID_INT;
792	wid_list[wid_cnt].size = sizeof(u32);
793	wid_list[wid_cnt].val = (s8 *)&stats->tx_cnt;
794	wid_cnt++;
795
796	wid_list[wid_cnt].id = WID_RECEIVED_FRAGMENT_COUNT;
797	wid_list[wid_cnt].type = WID_INT;
798	wid_list[wid_cnt].size = sizeof(u32);
799	wid_list[wid_cnt].val = (s8 *)&stats->rx_cnt;
800	wid_cnt++;
801
802	wid_list[wid_cnt].id = WID_FAILED_COUNT;
803	wid_list[wid_cnt].type = WID_INT;
804	wid_list[wid_cnt].size = sizeof(u32);
805	wid_list[wid_cnt].val = (s8 *)&stats->tx_fail_cnt;
806	wid_cnt++;
807
808	result = wilc_send_config_pkt(vif, WILC_GET_CFG, wid_list, wid_cnt);
809	if (result) {
810		netdev_err(vif->ndev, "Failed to send scan parameters\n");
811		return result;
812	}
813
814	if (stats->link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH &&
815	    stats->link_speed != DEFAULT_LINK_SPEED)
816		wilc_enable_tcp_ack_filter(vif, true);
817	else if (stats->link_speed != DEFAULT_LINK_SPEED)
818		wilc_enable_tcp_ack_filter(vif, false);
819
820	return result;
821}
822
823static void handle_get_statistics(struct work_struct *work)
824{
825	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
826	struct wilc_vif *vif = msg->vif;
827	struct rf_info *stats = (struct rf_info *)msg->body.data;
828
829	wilc_get_statistics(vif, stats);
830
831	kfree(msg);
832}
833
834static void wilc_hif_pack_sta_param(u8 *cur_byte, const u8 *mac,
835				    struct station_parameters *params)
836{
837	ether_addr_copy(cur_byte, mac);
838	cur_byte += ETH_ALEN;
839
840	put_unaligned_le16(params->aid, cur_byte);
841	cur_byte += 2;
842
843	*cur_byte++ = params->link_sta_params.supported_rates_len;
844	if (params->link_sta_params.supported_rates_len > 0)
845		memcpy(cur_byte, params->link_sta_params.supported_rates,
846		       params->link_sta_params.supported_rates_len);
847	cur_byte += params->link_sta_params.supported_rates_len;
848
849	if (params->link_sta_params.ht_capa) {
850		*cur_byte++ = true;
851		memcpy(cur_byte, params->link_sta_params.ht_capa,
852		       sizeof(struct ieee80211_ht_cap));
853	} else {
854		*cur_byte++ = false;
855	}
856	cur_byte += sizeof(struct ieee80211_ht_cap);
857
858	put_unaligned_le16(params->sta_flags_mask, cur_byte);
859	cur_byte += 2;
860	put_unaligned_le16(params->sta_flags_set, cur_byte);
861}
862
863static int handle_remain_on_chan(struct wilc_vif *vif,
864				 struct wilc_remain_ch *hif_remain_ch)
865{
866	int result;
867	u8 remain_on_chan_flag;
868	struct wid wid;
869	struct host_if_drv *hif_drv = vif->hif_drv;
870
871	if (hif_drv->usr_scan_req.scan_result)
872		return -EBUSY;
873
874	if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP)
875		return -EBUSY;
876
877	if (vif->connecting)
878		return -EBUSY;
879
880	remain_on_chan_flag = true;
881	wid.id = WID_REMAIN_ON_CHAN;
882	wid.type = WID_STR;
883	wid.size = 2;
884	wid.val = kmalloc(wid.size, GFP_KERNEL);
885	if (!wid.val)
886		return -ENOMEM;
887
888	wid.val[0] = remain_on_chan_flag;
889	wid.val[1] = (s8)hif_remain_ch->ch;
890
891	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
892	kfree(wid.val);
893	if (result)
894		return -EBUSY;
895
896	hif_drv->remain_on_ch.vif = hif_remain_ch->vif;
897	hif_drv->remain_on_ch.expired = hif_remain_ch->expired;
898	hif_drv->remain_on_ch.ch = hif_remain_ch->ch;
899	hif_drv->remain_on_ch.cookie = hif_remain_ch->cookie;
900	hif_drv->remain_on_ch_timer_vif = vif;
901
902	return 0;
903}
904
905static int wilc_handle_roc_expired(struct wilc_vif *vif, u64 cookie)
906{
907	u8 remain_on_chan_flag;
908	struct wid wid;
909	int result;
910	struct host_if_drv *hif_drv = vif->hif_drv;
911
912	if (vif->priv.p2p_listen_state) {
913		remain_on_chan_flag = false;
914		wid.id = WID_REMAIN_ON_CHAN;
915		wid.type = WID_STR;
916		wid.size = 2;
917
918		wid.val = kmalloc(wid.size, GFP_KERNEL);
919		if (!wid.val)
920			return -ENOMEM;
921
922		wid.val[0] = remain_on_chan_flag;
923		wid.val[1] = WILC_FALSE_FRMWR_CHANNEL;
924
925		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
926		kfree(wid.val);
927		if (result != 0) {
928			netdev_err(vif->ndev, "Failed to set remain channel\n");
929			return -EINVAL;
930		}
931
932		if (hif_drv->remain_on_ch.expired) {
933			hif_drv->remain_on_ch.expired(hif_drv->remain_on_ch.vif,
934						      cookie);
935		}
936	} else {
937		netdev_dbg(vif->ndev, "Not in listen state\n");
938	}
939
940	return 0;
941}
942
943static void wilc_handle_listen_state_expired(struct work_struct *work)
944{
945	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
946
947	wilc_handle_roc_expired(msg->vif, msg->body.remain_on_ch.cookie);
948	kfree(msg);
949}
950
951static void listen_timer_cb(struct timer_list *t)
952{
953	struct host_if_drv *hif_drv = from_timer(hif_drv, t,
954						      remain_on_ch_timer);
955	struct wilc_vif *vif = hif_drv->remain_on_ch_timer_vif;
956	int result;
957	struct host_if_msg *msg;
958
959	del_timer(&vif->hif_drv->remain_on_ch_timer);
960
961	msg = wilc_alloc_work(vif, wilc_handle_listen_state_expired, false);
962	if (IS_ERR(msg))
963		return;
964
965	msg->body.remain_on_ch.cookie = vif->hif_drv->remain_on_ch.cookie;
966
967	result = wilc_enqueue_work(msg);
968	if (result) {
969		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
970		kfree(msg);
971	}
972}
973
974static void handle_set_mcast_filter(struct work_struct *work)
975{
976	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
977	struct wilc_vif *vif = msg->vif;
978	struct wilc_set_multicast *set_mc = &msg->body.mc_info;
979	int result;
980	struct wid wid;
981	u8 *cur_byte;
982
983	wid.id = WID_SETUP_MULTICAST_FILTER;
984	wid.type = WID_BIN;
985	wid.size = sizeof(struct wilc_set_multicast) + (set_mc->cnt * ETH_ALEN);
986	wid.val = kmalloc(wid.size, GFP_KERNEL);
987	if (!wid.val)
988		goto error;
989
990	cur_byte = wid.val;
991	put_unaligned_le32(set_mc->enabled, cur_byte);
992	cur_byte += 4;
993
994	put_unaligned_le32(set_mc->cnt, cur_byte);
995	cur_byte += 4;
996
997	if (set_mc->cnt > 0 && set_mc->mc_list)
998		memcpy(cur_byte, set_mc->mc_list, set_mc->cnt * ETH_ALEN);
999
1000	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1001	if (result)
1002		netdev_err(vif->ndev, "Failed to send setup multicast\n");
1003
1004error:
1005	kfree(set_mc->mc_list);
1006	kfree(wid.val);
1007	kfree(msg);
1008}
1009
1010void wilc_set_wowlan_trigger(struct wilc_vif *vif, bool enabled)
1011{
1012	int ret;
1013	struct wid wid;
1014	u8 wowlan_trigger = 0;
1015
1016	if (enabled)
1017		wowlan_trigger = 1;
1018
1019	wid.id = WID_WOWLAN_TRIGGER;
1020	wid.type = WID_CHAR;
1021	wid.val = &wowlan_trigger;
1022	wid.size = sizeof(char);
1023
1024	ret = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1025	if (ret)
1026		pr_err("Failed to send wowlan trigger config packet\n");
1027}
1028
1029int wilc_set_external_auth_param(struct wilc_vif *vif,
1030				 struct cfg80211_external_auth_params *auth)
1031{
1032	int ret;
1033	struct wid wid;
1034	struct wilc_external_auth_param *param;
1035
1036	wid.id = WID_EXTERNAL_AUTH_PARAM;
1037	wid.type = WID_BIN_DATA;
1038	wid.size = sizeof(*param);
1039	param = kzalloc(sizeof(*param), GFP_KERNEL);
1040	if (!param)
1041		return -EINVAL;
1042
1043	wid.val = (u8 *)param;
1044	param->action = auth->action;
1045	ether_addr_copy(param->bssid, auth->bssid);
1046	memcpy(param->ssid, auth->ssid.ssid, auth->ssid.ssid_len);
1047	param->ssid_len = auth->ssid.ssid_len;
1048	ret = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1049
1050	kfree(param);
1051	return ret;
1052}
1053
1054static void handle_scan_timer(struct work_struct *work)
1055{
1056	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
1057
1058	handle_scan_done(msg->vif, SCAN_EVENT_ABORTED);
1059	kfree(msg);
1060}
1061
1062static void handle_scan_complete(struct work_struct *work)
1063{
1064	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
1065
1066	del_timer(&msg->vif->hif_drv->scan_timer);
1067
1068	handle_scan_done(msg->vif, SCAN_EVENT_DONE);
1069
1070	kfree(msg);
1071}
1072
1073static void timer_scan_cb(struct timer_list *t)
1074{
1075	struct host_if_drv *hif_drv = from_timer(hif_drv, t, scan_timer);
1076	struct wilc_vif *vif = hif_drv->scan_timer_vif;
1077	struct host_if_msg *msg;
1078	int result;
1079
1080	msg = wilc_alloc_work(vif, handle_scan_timer, false);
1081	if (IS_ERR(msg))
1082		return;
1083
1084	result = wilc_enqueue_work(msg);
1085	if (result)
1086		kfree(msg);
1087}
1088
1089static void timer_connect_cb(struct timer_list *t)
1090{
1091	struct host_if_drv *hif_drv = from_timer(hif_drv, t,
1092						      connect_timer);
1093	struct wilc_vif *vif = hif_drv->connect_timer_vif;
1094	struct host_if_msg *msg;
1095	int result;
1096
1097	msg = wilc_alloc_work(vif, handle_connect_timeout, false);
1098	if (IS_ERR(msg))
1099		return;
1100
1101	result = wilc_enqueue_work(msg);
1102	if (result)
1103		kfree(msg);
1104}
1105
1106int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
1107		 const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic,
1108		 u8 mode, u8 cipher_mode, u8 index)
1109{
1110	int result = 0;
1111	u8 t_key_len  = ptk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
1112
1113	if (mode == WILC_AP_MODE) {
1114		struct wid wid_list[2];
1115		struct wilc_ap_wpa_ptk *key_buf;
1116
1117		wid_list[0].id = WID_11I_MODE;
1118		wid_list[0].type = WID_CHAR;
1119		wid_list[0].size = sizeof(char);
1120		wid_list[0].val = (s8 *)&cipher_mode;
1121
1122		key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1123		if (!key_buf)
1124			return -ENOMEM;
1125
1126		ether_addr_copy(key_buf->mac_addr, mac_addr);
1127		key_buf->index = index;
1128		key_buf->key_len = t_key_len;
1129		memcpy(&key_buf->key[0], ptk, ptk_key_len);
1130
1131		if (rx_mic)
1132			memcpy(&key_buf->key[ptk_key_len], rx_mic,
1133			       WILC_RX_MIC_KEY_LEN);
1134
1135		if (tx_mic)
1136			memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
1137			       tx_mic, WILC_TX_MIC_KEY_LEN);
1138
1139		wid_list[1].id = WID_ADD_PTK;
1140		wid_list[1].type = WID_STR;
1141		wid_list[1].size = sizeof(*key_buf) + t_key_len;
1142		wid_list[1].val = (u8 *)key_buf;
1143		result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1144					      ARRAY_SIZE(wid_list));
1145		kfree(key_buf);
1146	} else if (mode == WILC_STATION_MODE) {
1147		struct wid wid;
1148		struct wilc_sta_wpa_ptk *key_buf;
1149
1150		key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1151		if (!key_buf)
1152			return -ENOMEM;
1153
1154		ether_addr_copy(key_buf->mac_addr, mac_addr);
1155		key_buf->key_len = t_key_len;
1156		memcpy(&key_buf->key[0], ptk, ptk_key_len);
1157
1158		if (rx_mic)
1159			memcpy(&key_buf->key[ptk_key_len], rx_mic,
1160			       WILC_RX_MIC_KEY_LEN);
1161
1162		if (tx_mic)
1163			memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
1164			       tx_mic, WILC_TX_MIC_KEY_LEN);
1165
1166		wid.id = WID_ADD_PTK;
1167		wid.type = WID_STR;
1168		wid.size = sizeof(*key_buf) + t_key_len;
1169		wid.val = (s8 *)key_buf;
1170		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1171		kfree(key_buf);
1172	}
1173
1174	return result;
1175}
1176
1177int wilc_add_igtk(struct wilc_vif *vif, const u8 *igtk, u8 igtk_key_len,
1178		  const u8 *pn, u8 pn_len, const u8 *mac_addr, u8 mode, u8 index)
1179{
1180	int result = 0;
1181	u8 t_key_len = igtk_key_len;
1182	struct wid wid;
1183	struct wilc_wpa_igtk *key_buf;
1184
1185	key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1186	if (!key_buf)
1187		return -ENOMEM;
1188
1189	key_buf->index = index;
1190
1191	memcpy(&key_buf->pn[0], pn, pn_len);
1192	key_buf->pn_len = pn_len;
1193
1194	memcpy(&key_buf->key[0], igtk, igtk_key_len);
1195	key_buf->key_len = t_key_len;
1196
1197	wid.id = WID_ADD_IGTK;
1198	wid.type = WID_STR;
1199	wid.size = sizeof(*key_buf) + t_key_len;
1200	wid.val = (s8 *)key_buf;
1201	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1202	kfree(key_buf);
1203
1204	return result;
1205}
1206
1207int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
1208		    u8 index, u32 key_rsc_len, const u8 *key_rsc,
1209		    const u8 *rx_mic, const u8 *tx_mic, u8 mode,
1210		    u8 cipher_mode)
1211{
1212	int result = 0;
1213	struct wilc_gtk_key *gtk_key;
1214	int t_key_len = gtk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
1215
1216	gtk_key = kzalloc(sizeof(*gtk_key) + t_key_len, GFP_KERNEL);
1217	if (!gtk_key)
1218		return -ENOMEM;
1219
1220	/* fill bssid value only in station mode */
1221	if (mode == WILC_STATION_MODE &&
1222	    vif->hif_drv->hif_state == HOST_IF_CONNECTED)
1223		memcpy(gtk_key->mac_addr, vif->hif_drv->assoc_bssid, ETH_ALEN);
1224
1225	if (key_rsc)
1226		memcpy(gtk_key->rsc, key_rsc, 8);
1227	gtk_key->index = index;
1228	gtk_key->key_len = t_key_len;
1229	memcpy(&gtk_key->key[0], rx_gtk, gtk_key_len);
1230
1231	if (rx_mic)
1232		memcpy(&gtk_key->key[gtk_key_len], rx_mic, WILC_RX_MIC_KEY_LEN);
1233
1234	if (tx_mic)
1235		memcpy(&gtk_key->key[gtk_key_len + WILC_RX_MIC_KEY_LEN],
1236		       tx_mic, WILC_TX_MIC_KEY_LEN);
1237
1238	if (mode == WILC_AP_MODE) {
1239		struct wid wid_list[2];
1240
1241		wid_list[0].id = WID_11I_MODE;
1242		wid_list[0].type = WID_CHAR;
1243		wid_list[0].size = sizeof(char);
1244		wid_list[0].val = (s8 *)&cipher_mode;
1245
1246		wid_list[1].id = WID_ADD_RX_GTK;
1247		wid_list[1].type = WID_STR;
1248		wid_list[1].size = sizeof(*gtk_key) + t_key_len;
1249		wid_list[1].val = (u8 *)gtk_key;
1250
1251		result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1252					      ARRAY_SIZE(wid_list));
1253	} else if (mode == WILC_STATION_MODE) {
1254		struct wid wid;
1255
1256		wid.id = WID_ADD_RX_GTK;
1257		wid.type = WID_STR;
1258		wid.size = sizeof(*gtk_key) + t_key_len;
1259		wid.val = (u8 *)gtk_key;
1260		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1261	}
1262
1263	kfree(gtk_key);
1264	return result;
1265}
1266
1267int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid)
1268{
1269	struct wid wid;
1270
1271	wid.id = WID_PMKID_INFO;
1272	wid.type = WID_STR;
1273	wid.size = (pmkid->numpmkid * sizeof(struct wilc_pmkid)) + 1;
1274	wid.val = (u8 *)pmkid;
1275
1276	return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1277}
1278
1279int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr)
1280{
1281	int result;
1282	struct wid wid;
1283
1284	wid.id = WID_MAC_ADDR;
1285	wid.type = WID_STR;
1286	wid.size = ETH_ALEN;
1287	wid.val = mac_addr;
1288
1289	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1290	if (result)
1291		netdev_err(vif->ndev, "Failed to get mac address\n");
1292
1293	return result;
1294}
1295
1296int wilc_set_mac_address(struct wilc_vif *vif, u8 *mac_addr)
1297{
1298	struct wid wid;
1299	int result;
1300
1301	wid.id = WID_MAC_ADDR;
1302	wid.type = WID_STR;
1303	wid.size = ETH_ALEN;
1304	wid.val = mac_addr;
1305
1306	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1307	if (result)
1308		netdev_err(vif->ndev, "Failed to set mac address\n");
1309
1310	return result;
1311}
1312
1313int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies,
1314		      size_t ies_len)
1315{
1316	int result;
1317	struct host_if_drv *hif_drv = vif->hif_drv;
1318	struct wilc_conn_info *conn_info = &hif_drv->conn_info;
1319
1320	if (bssid)
1321		ether_addr_copy(conn_info->bssid, bssid);
1322
1323	if (ies) {
1324		conn_info->req_ies_len = ies_len;
1325		conn_info->req_ies = kmemdup(ies, ies_len, GFP_KERNEL);
1326		if (!conn_info->req_ies)
1327			return -ENOMEM;
1328	}
1329
1330	result = wilc_send_connect_wid(vif);
1331	if (result)
1332		goto free_ies;
1333
1334	hif_drv->connect_timer_vif = vif;
1335	mod_timer(&hif_drv->connect_timer,
1336		  jiffies + msecs_to_jiffies(WILC_HIF_CONNECT_TIMEOUT_MS));
1337
1338	return 0;
1339
1340free_ies:
1341	kfree(conn_info->req_ies);
1342
1343	return result;
1344}
1345
1346int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel)
1347{
1348	struct wid wid;
1349	int result;
1350
1351	wid.id = WID_CURRENT_CHANNEL;
1352	wid.type = WID_CHAR;
1353	wid.size = sizeof(char);
1354	wid.val = &channel;
1355
1356	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1357	if (result)
1358		netdev_err(vif->ndev, "Failed to set channel\n");
1359
1360	return result;
1361}
1362
1363int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode,
1364			    u8 ifc_id)
1365{
1366	struct wid wid;
1367	int result;
1368	struct wilc_drv_handler drv;
1369
1370	wid.id = WID_SET_OPERATION_MODE;
1371	wid.type = WID_STR;
1372	wid.size = sizeof(drv);
1373	wid.val = (u8 *)&drv;
1374
1375	drv.handler = cpu_to_le32(index);
1376	drv.mode = (ifc_id | (mode << 1));
1377
1378	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1379	if (result)
1380		netdev_err(vif->ndev, "Failed to set driver handler\n");
1381
1382	return result;
1383}
1384
1385s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac, u32 *out_val)
1386{
1387	struct wid wid;
1388	s32 result;
1389
1390	wid.id = WID_SET_STA_MAC_INACTIVE_TIME;
1391	wid.type = WID_STR;
1392	wid.size = ETH_ALEN;
1393	wid.val = kzalloc(wid.size, GFP_KERNEL);
1394	if (!wid.val)
1395		return -ENOMEM;
1396
1397	ether_addr_copy(wid.val, mac);
1398	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1399	kfree(wid.val);
1400	if (result) {
1401		netdev_err(vif->ndev, "Failed to set inactive mac\n");
1402		return result;
1403	}
1404
1405	wid.id = WID_GET_INACTIVE_TIME;
1406	wid.type = WID_INT;
1407	wid.val = (s8 *)out_val;
1408	wid.size = sizeof(u32);
1409	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1410	if (result)
1411		netdev_err(vif->ndev, "Failed to get inactive time\n");
1412
1413	return result;
1414}
1415
1416int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level)
1417{
1418	struct wid wid;
1419	int result;
1420
1421	if (!rssi_level) {
1422		netdev_err(vif->ndev, "%s: RSSI level is NULL\n", __func__);
1423		return -EFAULT;
1424	}
1425
1426	wid.id = WID_RSSI;
1427	wid.type = WID_CHAR;
1428	wid.size = sizeof(char);
1429	wid.val = rssi_level;
1430	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1431	if (result)
1432		netdev_err(vif->ndev, "Failed to get RSSI value\n");
1433
1434	return result;
1435}
1436
1437static int wilc_get_stats_async(struct wilc_vif *vif, struct rf_info *stats)
1438{
1439	int result;
1440	struct host_if_msg *msg;
1441
1442	msg = wilc_alloc_work(vif, handle_get_statistics, false);
1443	if (IS_ERR(msg))
1444		return PTR_ERR(msg);
1445
1446	msg->body.data = (char *)stats;
1447
1448	result = wilc_enqueue_work(msg);
1449	if (result) {
1450		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1451		kfree(msg);
1452		return result;
1453	}
1454
1455	return result;
1456}
1457
1458int wilc_hif_set_cfg(struct wilc_vif *vif, struct cfg_param_attr *param)
1459{
1460	struct wid wid_list[4];
1461	int i = 0;
1462
1463	if (param->flag & WILC_CFG_PARAM_RETRY_SHORT) {
1464		wid_list[i].id = WID_SHORT_RETRY_LIMIT;
1465		wid_list[i].val = (s8 *)&param->short_retry_limit;
1466		wid_list[i].type = WID_SHORT;
1467		wid_list[i].size = sizeof(u16);
1468		i++;
1469	}
1470	if (param->flag & WILC_CFG_PARAM_RETRY_LONG) {
1471		wid_list[i].id = WID_LONG_RETRY_LIMIT;
1472		wid_list[i].val = (s8 *)&param->long_retry_limit;
1473		wid_list[i].type = WID_SHORT;
1474		wid_list[i].size = sizeof(u16);
1475		i++;
1476	}
1477	if (param->flag & WILC_CFG_PARAM_FRAG_THRESHOLD) {
1478		wid_list[i].id = WID_FRAG_THRESHOLD;
1479		wid_list[i].val = (s8 *)&param->frag_threshold;
1480		wid_list[i].type = WID_SHORT;
1481		wid_list[i].size = sizeof(u16);
1482		i++;
1483	}
1484	if (param->flag & WILC_CFG_PARAM_RTS_THRESHOLD) {
1485		wid_list[i].id = WID_RTS_THRESHOLD;
1486		wid_list[i].val = (s8 *)&param->rts_threshold;
1487		wid_list[i].type = WID_SHORT;
1488		wid_list[i].size = sizeof(u16);
1489		i++;
1490	}
1491
1492	return wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, i);
1493}
1494
1495static void get_periodic_rssi(struct timer_list *t)
1496{
1497	struct wilc_vif *vif = from_timer(vif, t, periodic_rssi);
1498
1499	if (!vif->hif_drv) {
1500		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1501		return;
1502	}
1503
1504	if (vif->hif_drv->hif_state == HOST_IF_CONNECTED)
1505		wilc_get_stats_async(vif, &vif->periodic_stat);
1506
1507	mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
1508}
1509
1510int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler)
1511{
1512	struct host_if_drv *hif_drv;
1513	struct wilc_vif *vif = netdev_priv(dev);
1514
1515	hif_drv  = kzalloc(sizeof(*hif_drv), GFP_KERNEL);
1516	if (!hif_drv)
1517		return -ENOMEM;
1518
1519	*hif_drv_handler = hif_drv;
1520
1521	vif->hif_drv = hif_drv;
1522
1523	timer_setup(&vif->periodic_rssi, get_periodic_rssi, 0);
1524	mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
1525
1526	timer_setup(&hif_drv->scan_timer, timer_scan_cb, 0);
1527	timer_setup(&hif_drv->connect_timer, timer_connect_cb, 0);
1528	timer_setup(&hif_drv->remain_on_ch_timer, listen_timer_cb, 0);
1529
1530	hif_drv->hif_state = HOST_IF_IDLE;
1531
1532	hif_drv->p2p_timeout = 0;
1533
1534	return 0;
1535}
1536
1537int wilc_deinit(struct wilc_vif *vif)
1538{
1539	int result = 0;
1540	struct host_if_drv *hif_drv = vif->hif_drv;
1541
1542	if (!hif_drv) {
1543		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1544		return -EFAULT;
1545	}
1546
1547	mutex_lock(&vif->wilc->deinit_lock);
1548
1549	timer_shutdown_sync(&hif_drv->scan_timer);
1550	timer_shutdown_sync(&hif_drv->connect_timer);
1551	del_timer_sync(&vif->periodic_rssi);
1552	timer_shutdown_sync(&hif_drv->remain_on_ch_timer);
1553
1554	if (hif_drv->usr_scan_req.scan_result) {
1555		hif_drv->usr_scan_req.scan_result(SCAN_EVENT_ABORTED, NULL,
1556						  hif_drv->usr_scan_req.priv);
1557		hif_drv->usr_scan_req.scan_result = NULL;
1558	}
1559
1560	hif_drv->hif_state = HOST_IF_IDLE;
1561
1562	kfree(hif_drv);
1563	vif->hif_drv = NULL;
1564	mutex_unlock(&vif->wilc->deinit_lock);
1565	return result;
1566}
1567
1568void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length)
1569{
1570	struct host_if_drv *hif_drv;
1571	struct host_if_msg *msg;
1572	struct wilc_vif *vif;
1573	int srcu_idx;
1574	int result;
1575	int id;
1576
1577	id = get_unaligned_le32(&buffer[length - 4]);
1578	srcu_idx = srcu_read_lock(&wilc->srcu);
1579	vif = wilc_get_vif_from_idx(wilc, id);
1580	if (!vif)
1581		goto out;
1582
1583	hif_drv = vif->hif_drv;
1584	if (!hif_drv) {
1585		netdev_err(vif->ndev, "driver not init[%p]\n", hif_drv);
1586		goto out;
1587	}
1588
1589	msg = wilc_alloc_work(vif, handle_rcvd_ntwrk_info, false);
1590	if (IS_ERR(msg))
1591		goto out;
1592
1593	msg->body.net_info.frame_len = get_unaligned_le16(&buffer[6]) - 1;
1594	msg->body.net_info.rssi = buffer[8];
1595	msg->body.net_info.mgmt = kmemdup(&buffer[9],
1596					  msg->body.net_info.frame_len,
1597					  GFP_KERNEL);
1598	if (!msg->body.net_info.mgmt) {
1599		kfree(msg);
1600		goto out;
1601	}
1602
1603	result = wilc_enqueue_work(msg);
1604	if (result) {
1605		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1606		kfree(msg->body.net_info.mgmt);
1607		kfree(msg);
1608	}
1609out:
1610	srcu_read_unlock(&wilc->srcu, srcu_idx);
1611}
1612
1613void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length)
1614{
1615	struct host_if_drv *hif_drv;
1616	struct host_if_msg *msg;
1617	struct wilc_vif *vif;
1618	int srcu_idx;
1619	int result;
1620	int id;
1621
1622	mutex_lock(&wilc->deinit_lock);
1623
1624	id = get_unaligned_le32(&buffer[length - 4]);
1625	srcu_idx = srcu_read_lock(&wilc->srcu);
1626	vif = wilc_get_vif_from_idx(wilc, id);
1627	if (!vif)
1628		goto out;
1629
1630	hif_drv = vif->hif_drv;
1631
1632	if (!hif_drv) {
1633		goto out;
1634	}
1635
1636	if (!hif_drv->conn_info.conn_result) {
1637		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
1638		goto out;
1639	}
1640
1641	msg = wilc_alloc_work(vif, handle_rcvd_gnrl_async_info, false);
1642	if (IS_ERR(msg))
1643		goto out;
1644
1645	msg->body.mac_info.status = buffer[7];
1646	result = wilc_enqueue_work(msg);
1647	if (result) {
1648		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1649		kfree(msg);
1650	}
1651out:
1652	srcu_read_unlock(&wilc->srcu, srcu_idx);
1653	mutex_unlock(&wilc->deinit_lock);
1654}
1655
1656void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length)
1657{
1658	struct host_if_drv *hif_drv;
1659	struct wilc_vif *vif;
1660	int srcu_idx;
1661	int result;
1662	int id;
1663
1664	id = get_unaligned_le32(&buffer[length - 4]);
1665	srcu_idx = srcu_read_lock(&wilc->srcu);
1666	vif = wilc_get_vif_from_idx(wilc, id);
1667	if (!vif)
1668		goto out;
1669
1670	hif_drv = vif->hif_drv;
1671	if (!hif_drv) {
1672		goto out;
1673	}
1674
1675	if (hif_drv->usr_scan_req.scan_result) {
1676		struct host_if_msg *msg;
1677
1678		msg = wilc_alloc_work(vif, handle_scan_complete, false);
1679		if (IS_ERR(msg))
1680			goto out;
1681
1682		result = wilc_enqueue_work(msg);
1683		if (result) {
1684			netdev_err(vif->ndev, "%s: enqueue work failed\n",
1685				   __func__);
1686			kfree(msg);
1687		}
1688	}
1689out:
1690	srcu_read_unlock(&wilc->srcu, srcu_idx);
1691}
1692
1693int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie, u16 chan,
1694			   void (*expired)(struct wilc_vif *, u64))
1695{
1696	struct wilc_remain_ch roc;
1697	int result;
1698
1699	roc.ch = chan;
1700	roc.expired = expired;
1701	roc.vif = vif;
1702	roc.cookie = cookie;
1703	result = handle_remain_on_chan(vif, &roc);
1704	if (result)
1705		netdev_err(vif->ndev, "%s: failed to set remain on channel\n",
1706			   __func__);
1707
1708	return result;
1709}
1710
1711int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie)
1712{
1713	if (!vif->hif_drv) {
1714		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1715		return -EFAULT;
1716	}
1717
1718	del_timer(&vif->hif_drv->remain_on_ch_timer);
1719
1720	return wilc_handle_roc_expired(vif, cookie);
1721}
1722
1723void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg)
1724{
1725	struct wid wid;
1726	int result;
1727	struct wilc_reg_frame reg_frame;
1728
1729	wid.id = WID_REGISTER_FRAME;
1730	wid.type = WID_STR;
1731	wid.size = sizeof(reg_frame);
1732	wid.val = (u8 *)&reg_frame;
1733
1734	memset(&reg_frame, 0x0, sizeof(reg_frame));
1735
1736	if (reg)
1737		reg_frame.reg = 1;
1738
1739	switch (frame_type) {
1740	case IEEE80211_STYPE_ACTION:
1741		reg_frame.reg_id = WILC_FW_ACTION_FRM_IDX;
1742		break;
1743
1744	case IEEE80211_STYPE_PROBE_REQ:
1745		reg_frame.reg_id = WILC_FW_PROBE_REQ_IDX;
1746		break;
1747
1748        case IEEE80211_STYPE_AUTH:
1749                reg_frame.reg_id = WILC_FW_AUTH_REQ_IDX;
1750                break;
1751
1752	default:
1753		break;
1754	}
1755	reg_frame.frame_type = cpu_to_le16(frame_type);
1756	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1757	if (result)
1758		netdev_err(vif->ndev, "Failed to frame register\n");
1759}
1760
1761int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period,
1762		    struct cfg80211_beacon_data *params)
1763{
1764	struct wid wid;
1765	int result;
1766	u8 *cur_byte;
1767
1768	wid.id = WID_ADD_BEACON;
1769	wid.type = WID_BIN;
1770	wid.size = params->head_len + params->tail_len + 16;
1771	wid.val = kzalloc(wid.size, GFP_KERNEL);
1772	if (!wid.val)
1773		return -ENOMEM;
1774
1775	cur_byte = wid.val;
1776	put_unaligned_le32(interval, cur_byte);
1777	cur_byte += 4;
1778	put_unaligned_le32(dtim_period, cur_byte);
1779	cur_byte += 4;
1780	put_unaligned_le32(params->head_len, cur_byte);
1781	cur_byte += 4;
1782
1783	if (params->head_len > 0)
1784		memcpy(cur_byte, params->head, params->head_len);
1785	cur_byte += params->head_len;
1786
1787	put_unaligned_le32(params->tail_len, cur_byte);
1788	cur_byte += 4;
1789
1790	if (params->tail_len > 0)
1791		memcpy(cur_byte, params->tail, params->tail_len);
1792
1793	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1794	if (result)
1795		netdev_err(vif->ndev, "Failed to send add beacon\n");
1796
1797	kfree(wid.val);
1798
1799	return result;
1800}
1801
1802int wilc_del_beacon(struct wilc_vif *vif)
1803{
1804	int result;
1805	struct wid wid;
1806	u8 del_beacon = 0;
1807
1808	wid.id = WID_DEL_BEACON;
1809	wid.type = WID_CHAR;
1810	wid.size = sizeof(char);
1811	wid.val = &del_beacon;
1812
1813	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1814	if (result)
1815		netdev_err(vif->ndev, "Failed to send delete beacon\n");
1816
1817	return result;
1818}
1819
1820int wilc_add_station(struct wilc_vif *vif, const u8 *mac,
1821		     struct station_parameters *params)
1822{
1823	struct wid wid;
1824	int result;
1825	u8 *cur_byte;
1826
1827	wid.id = WID_ADD_STA;
1828	wid.type = WID_BIN;
1829	wid.size = WILC_ADD_STA_LENGTH +
1830		   params->link_sta_params.supported_rates_len;
1831	wid.val = kmalloc(wid.size, GFP_KERNEL);
1832	if (!wid.val)
1833		return -ENOMEM;
1834
1835	cur_byte = wid.val;
1836	wilc_hif_pack_sta_param(cur_byte, mac, params);
1837
1838	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1839	if (result != 0)
1840		netdev_err(vif->ndev, "Failed to send add station\n");
1841
1842	kfree(wid.val);
1843
1844	return result;
1845}
1846
1847int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr)
1848{
1849	struct wid wid;
1850	int result;
1851
1852	wid.id = WID_REMOVE_STA;
1853	wid.type = WID_BIN;
1854	wid.size = ETH_ALEN;
1855	wid.val = kzalloc(wid.size, GFP_KERNEL);
1856	if (!wid.val)
1857		return -ENOMEM;
1858
1859	if (!mac_addr)
1860		eth_broadcast_addr(wid.val);
1861	else
1862		ether_addr_copy(wid.val, mac_addr);
1863
1864	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1865	if (result)
1866		netdev_err(vif->ndev, "Failed to del station\n");
1867
1868	kfree(wid.val);
1869
1870	return result;
1871}
1872
1873int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN])
1874{
1875	struct wid wid;
1876	int result;
1877	int i;
1878	u8 assoc_sta = 0;
1879	struct wilc_del_all_sta del_sta;
1880
1881	memset(&del_sta, 0x0, sizeof(del_sta));
1882	for (i = 0; i < WILC_MAX_NUM_STA; i++) {
1883		if (!is_zero_ether_addr(mac_addr[i])) {
1884			assoc_sta++;
1885			ether_addr_copy(del_sta.mac[i], mac_addr[i]);
1886		}
1887	}
1888
1889	if (!assoc_sta)
1890		return 0;
1891
1892	del_sta.assoc_sta = assoc_sta;
1893
1894	wid.id = WID_DEL_ALL_STA;
1895	wid.type = WID_STR;
1896	wid.size = (assoc_sta * ETH_ALEN) + 1;
1897	wid.val = (u8 *)&del_sta;
1898
1899	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1900	if (result)
1901		netdev_err(vif->ndev, "Failed to send delete all station\n");
1902
1903	return result;
1904}
1905
1906int wilc_edit_station(struct wilc_vif *vif, const u8 *mac,
1907		      struct station_parameters *params)
1908{
1909	struct wid wid;
1910	int result;
1911	u8 *cur_byte;
1912
1913	wid.id = WID_EDIT_STA;
1914	wid.type = WID_BIN;
1915	wid.size = WILC_ADD_STA_LENGTH +
1916		   params->link_sta_params.supported_rates_len;
1917	wid.val = kmalloc(wid.size, GFP_KERNEL);
1918	if (!wid.val)
1919		return -ENOMEM;
1920
1921	cur_byte = wid.val;
1922	wilc_hif_pack_sta_param(cur_byte, mac, params);
1923
1924	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1925	if (result)
1926		netdev_err(vif->ndev, "Failed to send edit station\n");
1927
1928	kfree(wid.val);
1929	return result;
1930}
1931
1932int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout)
1933{
1934	struct wilc *wilc = vif->wilc;
1935	struct wid wid;
1936	int result;
1937	s8 power_mode;
1938
1939	if (enabled)
1940		power_mode = WILC_FW_MIN_FAST_PS;
1941	else
1942		power_mode = WILC_FW_NO_POWERSAVE;
1943
1944	wid.id = WID_POWER_MANAGEMENT;
1945	wid.val = &power_mode;
1946	wid.size = sizeof(char);
1947	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1948	if (result)
1949		netdev_err(vif->ndev, "Failed to send power management\n");
1950	else
1951		wilc->power_save_mode = enabled;
1952
1953	return result;
1954}
1955
1956int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count,
1957				u8 *mc_list)
1958{
1959	int result;
1960	struct host_if_msg *msg;
1961
1962	msg = wilc_alloc_work(vif, handle_set_mcast_filter, false);
1963	if (IS_ERR(msg))
1964		return PTR_ERR(msg);
1965
1966	msg->body.mc_info.enabled = enabled;
1967	msg->body.mc_info.cnt = count;
1968	msg->body.mc_info.mc_list = mc_list;
1969
1970	result = wilc_enqueue_work(msg);
1971	if (result) {
1972		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1973		kfree(msg);
1974	}
1975	return result;
1976}
1977
1978int wilc_set_tx_power(struct wilc_vif *vif, u8 tx_power)
1979{
1980	struct wid wid;
1981
1982	wid.id = WID_TX_POWER;
1983	wid.type = WID_CHAR;
1984	wid.val = &tx_power;
1985	wid.size = sizeof(char);
1986
1987	return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1988}
1989
1990int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power)
1991{
1992	struct wid wid;
1993
1994	wid.id = WID_TX_POWER;
1995	wid.type = WID_CHAR;
1996	wid.val = tx_power;
1997	wid.size = sizeof(char);
1998
1999	return wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
2000}
2001
2002int wilc_set_default_mgmt_key_index(struct wilc_vif *vif, u8 index)
2003{
2004        struct wid wid;
2005        int result;
2006
2007        wid.id = WID_DEFAULT_MGMT_KEY_ID;
2008        wid.type = WID_CHAR;
2009        wid.size = sizeof(char);
2010        wid.val = &index;
2011        result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
2012        if (result)
2013                netdev_err(vif->ndev,
2014                           "Failed to send default mgmt key index\n");
2015
2016        return result;
2017}
2018