1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
4  * All rights reserved.
5  */
6 
7 #include "netdev.h"
8 
9 #define WILC_HIF_SCAN_TIMEOUT_MS                5000
10 #define WILC_HIF_CONNECT_TIMEOUT_MS             9500
11 
12 #define WILC_FALSE_FRMWR_CHANNEL		100
13 
14 #define WILC_SCAN_WID_LIST_SIZE		6
15 
16 struct wilc_rcvd_mac_info {
17 	u8 status;
18 };
19 
20 struct wilc_set_multicast {
21 	u32 enabled;
22 	u32 cnt;
23 	u8 *mc_list;
24 };
25 
26 struct host_if_wowlan_trigger {
27 	u8 wowlan_trigger;
28 };
29 
30 struct wilc_del_all_sta {
31 	u8 assoc_sta;
32 	u8 mac[WILC_MAX_NUM_STA][ETH_ALEN];
33 };
34 
35 union 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 
44 struct 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 */
54 static struct host_if_msg*
wilc_alloc_work(struct wilc_vif * vif,void (* work_fun)(struct work_struct *),bool is_sync)55 wilc_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 
wilc_enqueue_work(struct host_if_msg * msg)75 static 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  */
wilc_get_vif_idx(struct wilc_vif * vif)92 int 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  */
wilc_get_vif_from_idx(struct wilc * wilc,int idx)102 static 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 
handle_scan_done(struct wilc_vif * vif,enum scan_event evt)118 static 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 
wilc_scan(struct wilc_vif * vif,u8 scan_source,u8 scan_type,u8 * ch_freq_list,u8 ch_list_len,void (* scan_result_fn)(enum scan_event,struct wilc_rcvd_net_info *,void *),void * user_arg,struct cfg80211_scan_request * request)154 int 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 
264 error:
265 
266 	kfree(search_ssid_vals);
267 
268 	return result;
269 }
270 
wilc_send_connect_wid(struct wilc_vif * vif)271 static 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 
324 error:
325 
326 	kfree(conn_attr->req_ies);
327 	conn_attr->req_ies = NULL;
328 
329 	return result;
330 }
331 
handle_connect_timeout(struct work_struct * work)332 static 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 
370 out:
371 	kfree(msg);
372 }
373 
wilc_parse_join_bss_param(struct cfg80211_bss * bss,struct cfg80211_crypto_settings * crypto)374 void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
375 				struct cfg80211_crypto_settings *crypto)
376 {
377 	const u8 *ies_data, *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
378 	const u8 *ht_ie, *wpa_ie, *wmm_ie, *rsn_ie;
379 	struct ieee80211_p2p_noa_attr noa_attr;
380 	const struct cfg80211_bss_ies *ies;
381 	struct wilc_join_bss_param *param;
382 	u8 rates_len = 0, ies_len;
383 	int ret;
384 
385 	param = kzalloc(sizeof(*param), GFP_KERNEL);
386 	if (!param)
387 		return NULL;
388 
389 	rcu_read_lock();
390 	ies = rcu_dereference(bss->ies);
391 	ies_data = kmemdup(ies->data, ies->len, GFP_ATOMIC);
392 	if (!ies_data) {
393 		rcu_read_unlock();
394 		kfree(param);
395 		return NULL;
396 	}
397 	ies_len = ies->len;
398 	rcu_read_unlock();
399 
400 	param->beacon_period = cpu_to_le16(bss->beacon_interval);
401 	param->cap_info = cpu_to_le16(bss->capability);
402 	param->bss_type = WILC_FW_BSS_TYPE_INFRA;
403 	param->ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
404 	ether_addr_copy(param->bssid, bss->bssid);
405 
406 	ssid_elm = cfg80211_find_ie(WLAN_EID_SSID, ies_data, ies_len);
407 	if (ssid_elm) {
408 		if (ssid_elm[1] <= IEEE80211_MAX_SSID_LEN)
409 			memcpy(param->ssid, ssid_elm + 2, ssid_elm[1]);
410 	}
411 
412 	tim_elm = cfg80211_find_ie(WLAN_EID_TIM, ies_data, ies_len);
413 	if (tim_elm && tim_elm[1] >= 2)
414 		param->dtim_period = tim_elm[3];
415 
416 	memset(param->p_suites, 0xFF, 3);
417 	memset(param->akm_suites, 0xFF, 3);
418 
419 	rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies_data, ies_len);
420 	if (rates_ie) {
421 		rates_len = rates_ie[1];
422 		if (rates_len > WILC_MAX_RATES_SUPPORTED)
423 			rates_len = WILC_MAX_RATES_SUPPORTED;
424 		param->supp_rates[0] = rates_len;
425 		memcpy(&param->supp_rates[1], rates_ie + 2, rates_len);
426 	}
427 
428 	if (rates_len < WILC_MAX_RATES_SUPPORTED) {
429 		supp_rates_ie = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
430 						 ies_data, ies_len);
431 		if (supp_rates_ie) {
432 			u8 ext_rates = supp_rates_ie[1];
433 
434 			if (ext_rates > (WILC_MAX_RATES_SUPPORTED - rates_len))
435 				param->supp_rates[0] = WILC_MAX_RATES_SUPPORTED;
436 			else
437 				param->supp_rates[0] += ext_rates;
438 
439 			memcpy(&param->supp_rates[rates_len + 1],
440 			       supp_rates_ie + 2,
441 			       (param->supp_rates[0] - rates_len));
442 		}
443 	}
444 
445 	ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies_data, ies_len);
446 	if (ht_ie)
447 		param->ht_capable = true;
448 
449 	ret = cfg80211_get_p2p_attr(ies_data, ies_len,
450 				    IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
451 				    (u8 *)&noa_attr, sizeof(noa_attr));
452 	if (ret > 0) {
453 		param->tsf_lo = cpu_to_le32(ies->tsf);
454 		param->noa_enabled = 1;
455 		param->idx = noa_attr.index;
456 		if (noa_attr.oppps_ctwindow & IEEE80211_P2P_OPPPS_ENABLE_BIT) {
457 			param->opp_enabled = 1;
458 			param->opp_en.ct_window = noa_attr.oppps_ctwindow;
459 			param->opp_en.cnt = noa_attr.desc[0].count;
460 			param->opp_en.duration = noa_attr.desc[0].duration;
461 			param->opp_en.interval = noa_attr.desc[0].interval;
462 			param->opp_en.start_time = noa_attr.desc[0].start_time;
463 		} else {
464 			param->opp_enabled = 0;
465 			param->opp_dis.cnt = noa_attr.desc[0].count;
466 			param->opp_dis.duration = noa_attr.desc[0].duration;
467 			param->opp_dis.interval = noa_attr.desc[0].interval;
468 			param->opp_dis.start_time = noa_attr.desc[0].start_time;
469 		}
470 	}
471 	wmm_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
472 					 WLAN_OUI_TYPE_MICROSOFT_WMM,
473 					 ies_data, ies_len);
474 	if (wmm_ie) {
475 		struct ieee80211_wmm_param_ie *ie;
476 
477 		ie = (struct ieee80211_wmm_param_ie *)wmm_ie;
478 		if ((ie->oui_subtype == 0 || ie->oui_subtype == 1) &&
479 		    ie->version == 1) {
480 			param->wmm_cap = true;
481 			if (ie->qos_info & BIT(7))
482 				param->uapsd_cap = true;
483 		}
484 	}
485 
486 	wpa_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
487 					 WLAN_OUI_TYPE_MICROSOFT_WPA,
488 					 ies_data, ies_len);
489 	if (wpa_ie) {
490 		param->mode_802_11i = 1;
491 		param->rsn_found = true;
492 	}
493 
494 	rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies_data, ies_len);
495 	if (rsn_ie) {
496 		int rsn_ie_len = sizeof(struct element) + rsn_ie[1];
497 		int offset = 8;
498 
499 		param->mode_802_11i = 2;
500 		param->rsn_found = true;
501 
502 		/* extract RSN capabilities */
503 		if (offset < rsn_ie_len) {
504 			/* skip over pairwise suites */
505 			offset += (rsn_ie[offset] * 4) + 2;
506 
507 			if (offset < rsn_ie_len) {
508 				/* skip over authentication suites */
509 				offset += (rsn_ie[offset] * 4) + 2;
510 
511 				if (offset + 1 < rsn_ie_len)
512 					memcpy(param->rsn_cap, &rsn_ie[offset], 2);
513 			}
514 		}
515 	}
516 
517 	if (param->rsn_found) {
518 		int i;
519 
520 		param->rsn_grp_policy = crypto->cipher_group & 0xFF;
521 		for (i = 0; i < crypto->n_ciphers_pairwise && i < 3; i++)
522 			param->p_suites[i] = crypto->ciphers_pairwise[i] & 0xFF;
523 
524 		for (i = 0; i < crypto->n_akm_suites && i < 3; i++)
525 			param->akm_suites[i] = crypto->akm_suites[i] & 0xFF;
526 	}
527 
528 	kfree(ies_data);
529 	return (void *)param;
530 }
531 
handle_rcvd_ntwrk_info(struct work_struct * work)532 static void handle_rcvd_ntwrk_info(struct work_struct *work)
533 {
534 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
535 	struct wilc_rcvd_net_info *rcvd_info = &msg->body.net_info;
536 	struct wilc_user_scan_req *scan_req = &msg->vif->hif_drv->usr_scan_req;
537 	const u8 *ch_elm;
538 	u8 *ies;
539 	int ies_len;
540 	size_t offset;
541 
542 	if (ieee80211_is_probe_resp(rcvd_info->mgmt->frame_control))
543 		offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
544 	else if (ieee80211_is_beacon(rcvd_info->mgmt->frame_control))
545 		offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
546 	else
547 		goto done;
548 
549 	ies = rcvd_info->mgmt->u.beacon.variable;
550 	ies_len = rcvd_info->frame_len - offset;
551 	if (ies_len <= 0)
552 		goto done;
553 
554 	ch_elm = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ies, ies_len);
555 	if (ch_elm && ch_elm[1] > 0)
556 		rcvd_info->ch = ch_elm[2];
557 
558 	if (scan_req->scan_result)
559 		scan_req->scan_result(SCAN_EVENT_NETWORK_FOUND, rcvd_info,
560 				      scan_req->arg);
561 
562 done:
563 	kfree(rcvd_info->mgmt);
564 	kfree(msg);
565 }
566 
host_int_get_assoc_res_info(struct wilc_vif * vif,u8 * assoc_resp_info,u32 max_assoc_resp_info_len,u32 * rcvd_assoc_resp_info_len)567 static void host_int_get_assoc_res_info(struct wilc_vif *vif,
568 					u8 *assoc_resp_info,
569 					u32 max_assoc_resp_info_len,
570 					u32 *rcvd_assoc_resp_info_len)
571 {
572 	int result;
573 	struct wid wid;
574 
575 	wid.id = WID_ASSOC_RES_INFO;
576 	wid.type = WID_STR;
577 	wid.val = assoc_resp_info;
578 	wid.size = max_assoc_resp_info_len;
579 
580 	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
581 	if (result) {
582 		*rcvd_assoc_resp_info_len = 0;
583 		netdev_err(vif->ndev, "Failed to send association response\n");
584 		return;
585 	}
586 
587 	*rcvd_assoc_resp_info_len = wid.size;
588 }
589 
wilc_parse_assoc_resp_info(u8 * buffer,u32 buffer_len,struct wilc_conn_info * ret_conn_info)590 static s32 wilc_parse_assoc_resp_info(u8 *buffer, u32 buffer_len,
591 				      struct wilc_conn_info *ret_conn_info)
592 {
593 	u8 *ies;
594 	u16 ies_len;
595 	struct wilc_assoc_resp *res = (struct wilc_assoc_resp *)buffer;
596 
597 	ret_conn_info->status = le16_to_cpu(res->status_code);
598 	if (ret_conn_info->status == WLAN_STATUS_SUCCESS) {
599 		ies = &buffer[sizeof(*res)];
600 		ies_len = buffer_len - sizeof(*res);
601 
602 		ret_conn_info->resp_ies = kmemdup(ies, ies_len, GFP_KERNEL);
603 		if (!ret_conn_info->resp_ies)
604 			return -ENOMEM;
605 
606 		ret_conn_info->resp_ies_len = ies_len;
607 	}
608 
609 	return 0;
610 }
611 
host_int_parse_assoc_resp_info(struct wilc_vif * vif,u8 mac_status)612 static inline void host_int_parse_assoc_resp_info(struct wilc_vif *vif,
613 						  u8 mac_status)
614 {
615 	struct host_if_drv *hif_drv = vif->hif_drv;
616 	struct wilc_conn_info *conn_info = &hif_drv->conn_info;
617 
618 	if (mac_status == WILC_MAC_STATUS_CONNECTED) {
619 		u32 assoc_resp_info_len;
620 
621 		memset(hif_drv->assoc_resp, 0, WILC_MAX_ASSOC_RESP_FRAME_SIZE);
622 
623 		host_int_get_assoc_res_info(vif, hif_drv->assoc_resp,
624 					    WILC_MAX_ASSOC_RESP_FRAME_SIZE,
625 					    &assoc_resp_info_len);
626 
627 		if (assoc_resp_info_len != 0) {
628 			s32 err = 0;
629 
630 			err = wilc_parse_assoc_resp_info(hif_drv->assoc_resp,
631 							 assoc_resp_info_len,
632 							 conn_info);
633 			if (err)
634 				netdev_err(vif->ndev,
635 					   "wilc_parse_assoc_resp_info() returned error %d\n",
636 					   err);
637 		}
638 	}
639 
640 	del_timer(&hif_drv->connect_timer);
641 	conn_info->conn_result(CONN_DISCONN_EVENT_CONN_RESP, mac_status,
642 			       hif_drv->conn_info.arg);
643 
644 	if (mac_status == WILC_MAC_STATUS_CONNECTED &&
645 	    conn_info->status == WLAN_STATUS_SUCCESS) {
646 		ether_addr_copy(hif_drv->assoc_bssid, conn_info->bssid);
647 		hif_drv->hif_state = HOST_IF_CONNECTED;
648 	} else {
649 		hif_drv->hif_state = HOST_IF_IDLE;
650 	}
651 
652 	kfree(conn_info->resp_ies);
653 	conn_info->resp_ies = NULL;
654 	conn_info->resp_ies_len = 0;
655 
656 	kfree(conn_info->req_ies);
657 	conn_info->req_ies = NULL;
658 	conn_info->req_ies_len = 0;
659 }
660 
wilc_handle_disconnect(struct wilc_vif * vif)661 void wilc_handle_disconnect(struct wilc_vif *vif)
662 {
663 	struct host_if_drv *hif_drv = vif->hif_drv;
664 
665 	if (hif_drv->usr_scan_req.scan_result) {
666 		del_timer(&hif_drv->scan_timer);
667 		handle_scan_done(vif, SCAN_EVENT_ABORTED);
668 	}
669 
670 	if (hif_drv->conn_info.conn_result)
671 		hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF,
672 					       0, hif_drv->conn_info.arg);
673 
674 	eth_zero_addr(hif_drv->assoc_bssid);
675 
676 	hif_drv->conn_info.req_ies_len = 0;
677 	kfree(hif_drv->conn_info.req_ies);
678 	hif_drv->conn_info.req_ies = NULL;
679 	hif_drv->hif_state = HOST_IF_IDLE;
680 }
681 
handle_rcvd_gnrl_async_info(struct work_struct * work)682 static void handle_rcvd_gnrl_async_info(struct work_struct *work)
683 {
684 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
685 	struct wilc_vif *vif = msg->vif;
686 	struct wilc_rcvd_mac_info *mac_info = &msg->body.mac_info;
687 	struct host_if_drv *hif_drv = vif->hif_drv;
688 
689 	if (!hif_drv) {
690 		netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
691 		goto free_msg;
692 	}
693 
694 	if (!hif_drv->conn_info.conn_result) {
695 		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
696 		goto free_msg;
697 	}
698 
699 
700         if (hif_drv->hif_state == HOST_IF_EXTERNAL_AUTH) {
701                 cfg80211_external_auth_request(vif->ndev, &vif->auth,
702 					       GFP_KERNEL);
703                 hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP;
704         } else if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) {
705 		host_int_parse_assoc_resp_info(vif, mac_info->status);
706 	} else if (mac_info->status == WILC_MAC_STATUS_DISCONNECTED) {
707 		if (hif_drv->hif_state == HOST_IF_CONNECTED) {
708 			wilc_handle_disconnect(vif);
709 		} else if (hif_drv->usr_scan_req.scan_result) {
710 			del_timer(&hif_drv->scan_timer);
711 			handle_scan_done(vif, SCAN_EVENT_ABORTED);
712 		}
713 	}
714 
715 free_msg:
716 	kfree(msg);
717 }
718 
wilc_disconnect(struct wilc_vif * vif)719 int wilc_disconnect(struct wilc_vif *vif)
720 {
721 	struct wid wid;
722 	struct host_if_drv *hif_drv = vif->hif_drv;
723 	struct wilc_user_scan_req *scan_req;
724 	struct wilc_conn_info *conn_info;
725 	int result;
726 	u16 dummy_reason_code = 0;
727 
728 	wid.id = WID_DISCONNECT;
729 	wid.type = WID_CHAR;
730 	wid.val = (s8 *)&dummy_reason_code;
731 	wid.size = sizeof(char);
732 
733 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
734 	if (result) {
735 		netdev_err(vif->ndev, "Failed to send disconnect\n");
736 		return result;
737 	}
738 
739 	scan_req = &hif_drv->usr_scan_req;
740 	conn_info = &hif_drv->conn_info;
741 
742 	if (scan_req->scan_result) {
743 		del_timer(&hif_drv->scan_timer);
744 		scan_req->scan_result(SCAN_EVENT_ABORTED, NULL, scan_req->arg);
745 		scan_req->scan_result = NULL;
746 	}
747 
748 	if (conn_info->conn_result) {
749 		if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP ||
750 		    hif_drv->hif_state == HOST_IF_EXTERNAL_AUTH)
751 			del_timer(&hif_drv->connect_timer);
752 
753 		conn_info->conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, 0,
754 				       conn_info->arg);
755 	} else {
756 		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
757 	}
758 
759 	hif_drv->hif_state = HOST_IF_IDLE;
760 
761 	eth_zero_addr(hif_drv->assoc_bssid);
762 
763 	conn_info->req_ies_len = 0;
764 	kfree(conn_info->req_ies);
765 	conn_info->req_ies = NULL;
766 
767 	return 0;
768 }
769 
wilc_get_statistics(struct wilc_vif * vif,struct rf_info * stats)770 int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats)
771 {
772 	struct wid wid_list[5];
773 	u32 wid_cnt = 0, result;
774 
775 	wid_list[wid_cnt].id = WID_LINKSPEED;
776 	wid_list[wid_cnt].type = WID_CHAR;
777 	wid_list[wid_cnt].size = sizeof(char);
778 	wid_list[wid_cnt].val = (s8 *)&stats->link_speed;
779 	wid_cnt++;
780 
781 	wid_list[wid_cnt].id = WID_RSSI;
782 	wid_list[wid_cnt].type = WID_CHAR;
783 	wid_list[wid_cnt].size = sizeof(char);
784 	wid_list[wid_cnt].val = (s8 *)&stats->rssi;
785 	wid_cnt++;
786 
787 	wid_list[wid_cnt].id = WID_SUCCESS_FRAME_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_cnt;
791 	wid_cnt++;
792 
793 	wid_list[wid_cnt].id = WID_RECEIVED_FRAGMENT_COUNT;
794 	wid_list[wid_cnt].type = WID_INT;
795 	wid_list[wid_cnt].size = sizeof(u32);
796 	wid_list[wid_cnt].val = (s8 *)&stats->rx_cnt;
797 	wid_cnt++;
798 
799 	wid_list[wid_cnt].id = WID_FAILED_COUNT;
800 	wid_list[wid_cnt].type = WID_INT;
801 	wid_list[wid_cnt].size = sizeof(u32);
802 	wid_list[wid_cnt].val = (s8 *)&stats->tx_fail_cnt;
803 	wid_cnt++;
804 
805 	result = wilc_send_config_pkt(vif, WILC_GET_CFG, wid_list, wid_cnt);
806 	if (result) {
807 		netdev_err(vif->ndev, "Failed to send scan parameters\n");
808 		return result;
809 	}
810 
811 	if (stats->link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH &&
812 	    stats->link_speed != DEFAULT_LINK_SPEED)
813 		wilc_enable_tcp_ack_filter(vif, true);
814 	else if (stats->link_speed != DEFAULT_LINK_SPEED)
815 		wilc_enable_tcp_ack_filter(vif, false);
816 
817 	return result;
818 }
819 
handle_get_statistics(struct work_struct * work)820 static void handle_get_statistics(struct work_struct *work)
821 {
822 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
823 	struct wilc_vif *vif = msg->vif;
824 	struct rf_info *stats = (struct rf_info *)msg->body.data;
825 
826 	wilc_get_statistics(vif, stats);
827 
828 	kfree(msg);
829 }
830 
wilc_hif_pack_sta_param(u8 * cur_byte,const u8 * mac,struct station_parameters * params)831 static void wilc_hif_pack_sta_param(u8 *cur_byte, const u8 *mac,
832 				    struct station_parameters *params)
833 {
834 	ether_addr_copy(cur_byte, mac);
835 	cur_byte += ETH_ALEN;
836 
837 	put_unaligned_le16(params->aid, cur_byte);
838 	cur_byte += 2;
839 
840 	*cur_byte++ = params->link_sta_params.supported_rates_len;
841 	if (params->link_sta_params.supported_rates_len > 0)
842 		memcpy(cur_byte, params->link_sta_params.supported_rates,
843 		       params->link_sta_params.supported_rates_len);
844 	cur_byte += params->link_sta_params.supported_rates_len;
845 
846 	if (params->link_sta_params.ht_capa) {
847 		*cur_byte++ = true;
848 		memcpy(cur_byte, params->link_sta_params.ht_capa,
849 		       sizeof(struct ieee80211_ht_cap));
850 	} else {
851 		*cur_byte++ = false;
852 	}
853 	cur_byte += sizeof(struct ieee80211_ht_cap);
854 
855 	put_unaligned_le16(params->sta_flags_mask, cur_byte);
856 	cur_byte += 2;
857 	put_unaligned_le16(params->sta_flags_set, cur_byte);
858 }
859 
handle_remain_on_chan(struct wilc_vif * vif,struct wilc_remain_ch * hif_remain_ch)860 static int handle_remain_on_chan(struct wilc_vif *vif,
861 				 struct wilc_remain_ch *hif_remain_ch)
862 {
863 	int result;
864 	u8 remain_on_chan_flag;
865 	struct wid wid;
866 	struct host_if_drv *hif_drv = vif->hif_drv;
867 
868 	if (hif_drv->usr_scan_req.scan_result)
869 		return -EBUSY;
870 
871 	if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP)
872 		return -EBUSY;
873 
874 	if (vif->connecting)
875 		return -EBUSY;
876 
877 	remain_on_chan_flag = true;
878 	wid.id = WID_REMAIN_ON_CHAN;
879 	wid.type = WID_STR;
880 	wid.size = 2;
881 	wid.val = kmalloc(wid.size, GFP_KERNEL);
882 	if (!wid.val)
883 		return -ENOMEM;
884 
885 	wid.val[0] = remain_on_chan_flag;
886 	wid.val[1] = (s8)hif_remain_ch->ch;
887 
888 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
889 	kfree(wid.val);
890 	if (result)
891 		return -EBUSY;
892 
893 	hif_drv->remain_on_ch.arg = hif_remain_ch->arg;
894 	hif_drv->remain_on_ch.expired = hif_remain_ch->expired;
895 	hif_drv->remain_on_ch.ch = hif_remain_ch->ch;
896 	hif_drv->remain_on_ch.cookie = hif_remain_ch->cookie;
897 	hif_drv->remain_on_ch_timer_vif = vif;
898 
899 	return 0;
900 }
901 
wilc_handle_roc_expired(struct wilc_vif * vif,u64 cookie)902 static int wilc_handle_roc_expired(struct wilc_vif *vif, u64 cookie)
903 {
904 	u8 remain_on_chan_flag;
905 	struct wid wid;
906 	int result;
907 	struct host_if_drv *hif_drv = vif->hif_drv;
908 
909 	if (vif->priv.p2p_listen_state) {
910 		remain_on_chan_flag = false;
911 		wid.id = WID_REMAIN_ON_CHAN;
912 		wid.type = WID_STR;
913 		wid.size = 2;
914 
915 		wid.val = kmalloc(wid.size, GFP_KERNEL);
916 		if (!wid.val)
917 			return -ENOMEM;
918 
919 		wid.val[0] = remain_on_chan_flag;
920 		wid.val[1] = WILC_FALSE_FRMWR_CHANNEL;
921 
922 		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
923 		kfree(wid.val);
924 		if (result != 0) {
925 			netdev_err(vif->ndev, "Failed to set remain channel\n");
926 			return -EINVAL;
927 		}
928 
929 		if (hif_drv->remain_on_ch.expired) {
930 			hif_drv->remain_on_ch.expired(hif_drv->remain_on_ch.arg,
931 						      cookie);
932 		}
933 	} else {
934 		netdev_dbg(vif->ndev, "Not in listen state\n");
935 	}
936 
937 	return 0;
938 }
939 
wilc_handle_listen_state_expired(struct work_struct * work)940 static void wilc_handle_listen_state_expired(struct work_struct *work)
941 {
942 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
943 
944 	wilc_handle_roc_expired(msg->vif, msg->body.remain_on_ch.cookie);
945 	kfree(msg);
946 }
947 
listen_timer_cb(struct timer_list * t)948 static void listen_timer_cb(struct timer_list *t)
949 {
950 	struct host_if_drv *hif_drv = from_timer(hif_drv, t,
951 						      remain_on_ch_timer);
952 	struct wilc_vif *vif = hif_drv->remain_on_ch_timer_vif;
953 	int result;
954 	struct host_if_msg *msg;
955 
956 	del_timer(&vif->hif_drv->remain_on_ch_timer);
957 
958 	msg = wilc_alloc_work(vif, wilc_handle_listen_state_expired, false);
959 	if (IS_ERR(msg))
960 		return;
961 
962 	msg->body.remain_on_ch.cookie = vif->hif_drv->remain_on_ch.cookie;
963 
964 	result = wilc_enqueue_work(msg);
965 	if (result) {
966 		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
967 		kfree(msg);
968 	}
969 }
970 
handle_set_mcast_filter(struct work_struct * work)971 static void handle_set_mcast_filter(struct work_struct *work)
972 {
973 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
974 	struct wilc_vif *vif = msg->vif;
975 	struct wilc_set_multicast *set_mc = &msg->body.mc_info;
976 	int result;
977 	struct wid wid;
978 	u8 *cur_byte;
979 
980 	wid.id = WID_SETUP_MULTICAST_FILTER;
981 	wid.type = WID_BIN;
982 	wid.size = sizeof(struct wilc_set_multicast) + (set_mc->cnt * ETH_ALEN);
983 	wid.val = kmalloc(wid.size, GFP_KERNEL);
984 	if (!wid.val)
985 		goto error;
986 
987 	cur_byte = wid.val;
988 	put_unaligned_le32(set_mc->enabled, cur_byte);
989 	cur_byte += 4;
990 
991 	put_unaligned_le32(set_mc->cnt, cur_byte);
992 	cur_byte += 4;
993 
994 	if (set_mc->cnt > 0 && set_mc->mc_list)
995 		memcpy(cur_byte, set_mc->mc_list, set_mc->cnt * ETH_ALEN);
996 
997 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
998 	if (result)
999 		netdev_err(vif->ndev, "Failed to send setup multicast\n");
1000 
1001 error:
1002 	kfree(set_mc->mc_list);
1003 	kfree(wid.val);
1004 	kfree(msg);
1005 }
1006 
wilc_set_wowlan_trigger(struct wilc_vif * vif,bool enabled)1007 void wilc_set_wowlan_trigger(struct wilc_vif *vif, bool enabled)
1008 {
1009 	int ret;
1010 	struct wid wid;
1011 	u8 wowlan_trigger = 0;
1012 
1013 	if (enabled)
1014 		wowlan_trigger = 1;
1015 
1016 	wid.id = WID_WOWLAN_TRIGGER;
1017 	wid.type = WID_CHAR;
1018 	wid.val = &wowlan_trigger;
1019 	wid.size = sizeof(char);
1020 
1021 	ret = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1022 	if (ret)
1023 		pr_err("Failed to send wowlan trigger config packet\n");
1024 }
1025 
wilc_set_external_auth_param(struct wilc_vif * vif,struct cfg80211_external_auth_params * auth)1026 int wilc_set_external_auth_param(struct wilc_vif *vif,
1027 				 struct cfg80211_external_auth_params *auth)
1028 {
1029 	int ret;
1030 	struct wid wid;
1031 	struct wilc_external_auth_param *param;
1032 
1033 	wid.id = WID_EXTERNAL_AUTH_PARAM;
1034 	wid.type = WID_BIN_DATA;
1035 	wid.size = sizeof(*param);
1036 	param = kzalloc(sizeof(*param), GFP_KERNEL);
1037 	if (!param)
1038 		return -EINVAL;
1039 
1040 	wid.val = (u8 *)param;
1041 	param->action = auth->action;
1042 	ether_addr_copy(param->bssid, auth->bssid);
1043 	memcpy(param->ssid, auth->ssid.ssid, auth->ssid.ssid_len);
1044 	param->ssid_len = auth->ssid.ssid_len;
1045 	ret = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1046 
1047 	kfree(param);
1048 	return ret;
1049 }
1050 
handle_scan_timer(struct work_struct * work)1051 static void handle_scan_timer(struct work_struct *work)
1052 {
1053 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
1054 
1055 	handle_scan_done(msg->vif, SCAN_EVENT_ABORTED);
1056 	kfree(msg);
1057 }
1058 
handle_scan_complete(struct work_struct * work)1059 static void handle_scan_complete(struct work_struct *work)
1060 {
1061 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
1062 
1063 	del_timer(&msg->vif->hif_drv->scan_timer);
1064 
1065 	handle_scan_done(msg->vif, SCAN_EVENT_DONE);
1066 
1067 	kfree(msg);
1068 }
1069 
timer_scan_cb(struct timer_list * t)1070 static void timer_scan_cb(struct timer_list *t)
1071 {
1072 	struct host_if_drv *hif_drv = from_timer(hif_drv, t, scan_timer);
1073 	struct wilc_vif *vif = hif_drv->scan_timer_vif;
1074 	struct host_if_msg *msg;
1075 	int result;
1076 
1077 	msg = wilc_alloc_work(vif, handle_scan_timer, false);
1078 	if (IS_ERR(msg))
1079 		return;
1080 
1081 	result = wilc_enqueue_work(msg);
1082 	if (result)
1083 		kfree(msg);
1084 }
1085 
timer_connect_cb(struct timer_list * t)1086 static void timer_connect_cb(struct timer_list *t)
1087 {
1088 	struct host_if_drv *hif_drv = from_timer(hif_drv, t,
1089 						      connect_timer);
1090 	struct wilc_vif *vif = hif_drv->connect_timer_vif;
1091 	struct host_if_msg *msg;
1092 	int result;
1093 
1094 	msg = wilc_alloc_work(vif, handle_connect_timeout, false);
1095 	if (IS_ERR(msg))
1096 		return;
1097 
1098 	result = wilc_enqueue_work(msg);
1099 	if (result)
1100 		kfree(msg);
1101 }
1102 
wilc_add_ptk(struct wilc_vif * vif,const u8 * ptk,u8 ptk_key_len,const u8 * mac_addr,const u8 * rx_mic,const u8 * tx_mic,u8 mode,u8 cipher_mode,u8 index)1103 int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
1104 		 const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic,
1105 		 u8 mode, u8 cipher_mode, u8 index)
1106 {
1107 	int result = 0;
1108 	u8 t_key_len  = ptk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
1109 
1110 	if (mode == WILC_AP_MODE) {
1111 		struct wid wid_list[2];
1112 		struct wilc_ap_wpa_ptk *key_buf;
1113 
1114 		wid_list[0].id = WID_11I_MODE;
1115 		wid_list[0].type = WID_CHAR;
1116 		wid_list[0].size = sizeof(char);
1117 		wid_list[0].val = (s8 *)&cipher_mode;
1118 
1119 		key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1120 		if (!key_buf)
1121 			return -ENOMEM;
1122 
1123 		ether_addr_copy(key_buf->mac_addr, mac_addr);
1124 		key_buf->index = index;
1125 		key_buf->key_len = t_key_len;
1126 		memcpy(&key_buf->key[0], ptk, ptk_key_len);
1127 
1128 		if (rx_mic)
1129 			memcpy(&key_buf->key[ptk_key_len], rx_mic,
1130 			       WILC_RX_MIC_KEY_LEN);
1131 
1132 		if (tx_mic)
1133 			memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
1134 			       tx_mic, WILC_TX_MIC_KEY_LEN);
1135 
1136 		wid_list[1].id = WID_ADD_PTK;
1137 		wid_list[1].type = WID_STR;
1138 		wid_list[1].size = sizeof(*key_buf) + t_key_len;
1139 		wid_list[1].val = (u8 *)key_buf;
1140 		result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1141 					      ARRAY_SIZE(wid_list));
1142 		kfree(key_buf);
1143 	} else if (mode == WILC_STATION_MODE) {
1144 		struct wid wid;
1145 		struct wilc_sta_wpa_ptk *key_buf;
1146 
1147 		key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1148 		if (!key_buf)
1149 			return -ENOMEM;
1150 
1151 		ether_addr_copy(key_buf->mac_addr, mac_addr);
1152 		key_buf->key_len = t_key_len;
1153 		memcpy(&key_buf->key[0], ptk, ptk_key_len);
1154 
1155 		if (rx_mic)
1156 			memcpy(&key_buf->key[ptk_key_len], rx_mic,
1157 			       WILC_RX_MIC_KEY_LEN);
1158 
1159 		if (tx_mic)
1160 			memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
1161 			       tx_mic, WILC_TX_MIC_KEY_LEN);
1162 
1163 		wid.id = WID_ADD_PTK;
1164 		wid.type = WID_STR;
1165 		wid.size = sizeof(*key_buf) + t_key_len;
1166 		wid.val = (s8 *)key_buf;
1167 		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1168 		kfree(key_buf);
1169 	}
1170 
1171 	return result;
1172 }
1173 
wilc_add_igtk(struct wilc_vif * vif,const u8 * igtk,u8 igtk_key_len,const u8 * pn,u8 pn_len,const u8 * mac_addr,u8 mode,u8 index)1174 int wilc_add_igtk(struct wilc_vif *vif, const u8 *igtk, u8 igtk_key_len,
1175 		  const u8 *pn, u8 pn_len, const u8 *mac_addr, u8 mode, u8 index)
1176 {
1177 	int result = 0;
1178 	u8 t_key_len = igtk_key_len;
1179 	struct wid wid;
1180 	struct wilc_wpa_igtk *key_buf;
1181 
1182 	key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1183 	if (!key_buf)
1184 		return -ENOMEM;
1185 
1186 	key_buf->index = index;
1187 
1188 	memcpy(&key_buf->pn[0], pn, pn_len);
1189 	key_buf->pn_len = pn_len;
1190 
1191 	memcpy(&key_buf->key[0], igtk, igtk_key_len);
1192 	key_buf->key_len = t_key_len;
1193 
1194 	wid.id = WID_ADD_IGTK;
1195 	wid.type = WID_STR;
1196 	wid.size = sizeof(*key_buf) + t_key_len;
1197 	wid.val = (s8 *)key_buf;
1198 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1199 	kfree(key_buf);
1200 
1201 	return result;
1202 }
1203 
wilc_add_rx_gtk(struct wilc_vif * vif,const u8 * rx_gtk,u8 gtk_key_len,u8 index,u32 key_rsc_len,const u8 * key_rsc,const u8 * rx_mic,const u8 * tx_mic,u8 mode,u8 cipher_mode)1204 int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
1205 		    u8 index, u32 key_rsc_len, const u8 *key_rsc,
1206 		    const u8 *rx_mic, const u8 *tx_mic, u8 mode,
1207 		    u8 cipher_mode)
1208 {
1209 	int result = 0;
1210 	struct wilc_gtk_key *gtk_key;
1211 	int t_key_len = gtk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
1212 
1213 	gtk_key = kzalloc(sizeof(*gtk_key) + t_key_len, GFP_KERNEL);
1214 	if (!gtk_key)
1215 		return -ENOMEM;
1216 
1217 	/* fill bssid value only in station mode */
1218 	if (mode == WILC_STATION_MODE &&
1219 	    vif->hif_drv->hif_state == HOST_IF_CONNECTED)
1220 		memcpy(gtk_key->mac_addr, vif->hif_drv->assoc_bssid, ETH_ALEN);
1221 
1222 	if (key_rsc)
1223 		memcpy(gtk_key->rsc, key_rsc, 8);
1224 	gtk_key->index = index;
1225 	gtk_key->key_len = t_key_len;
1226 	memcpy(&gtk_key->key[0], rx_gtk, gtk_key_len);
1227 
1228 	if (rx_mic)
1229 		memcpy(&gtk_key->key[gtk_key_len], rx_mic, WILC_RX_MIC_KEY_LEN);
1230 
1231 	if (tx_mic)
1232 		memcpy(&gtk_key->key[gtk_key_len + WILC_RX_MIC_KEY_LEN],
1233 		       tx_mic, WILC_TX_MIC_KEY_LEN);
1234 
1235 	if (mode == WILC_AP_MODE) {
1236 		struct wid wid_list[2];
1237 
1238 		wid_list[0].id = WID_11I_MODE;
1239 		wid_list[0].type = WID_CHAR;
1240 		wid_list[0].size = sizeof(char);
1241 		wid_list[0].val = (s8 *)&cipher_mode;
1242 
1243 		wid_list[1].id = WID_ADD_RX_GTK;
1244 		wid_list[1].type = WID_STR;
1245 		wid_list[1].size = sizeof(*gtk_key) + t_key_len;
1246 		wid_list[1].val = (u8 *)gtk_key;
1247 
1248 		result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1249 					      ARRAY_SIZE(wid_list));
1250 	} else if (mode == WILC_STATION_MODE) {
1251 		struct wid wid;
1252 
1253 		wid.id = WID_ADD_RX_GTK;
1254 		wid.type = WID_STR;
1255 		wid.size = sizeof(*gtk_key) + t_key_len;
1256 		wid.val = (u8 *)gtk_key;
1257 		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1258 	}
1259 
1260 	kfree(gtk_key);
1261 	return result;
1262 }
1263 
wilc_set_pmkid_info(struct wilc_vif * vif,struct wilc_pmkid_attr * pmkid)1264 int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid)
1265 {
1266 	struct wid wid;
1267 
1268 	wid.id = WID_PMKID_INFO;
1269 	wid.type = WID_STR;
1270 	wid.size = (pmkid->numpmkid * sizeof(struct wilc_pmkid)) + 1;
1271 	wid.val = (u8 *)pmkid;
1272 
1273 	return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1274 }
1275 
wilc_get_mac_address(struct wilc_vif * vif,u8 * mac_addr)1276 int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr)
1277 {
1278 	int result;
1279 	struct wid wid;
1280 
1281 	wid.id = WID_MAC_ADDR;
1282 	wid.type = WID_STR;
1283 	wid.size = ETH_ALEN;
1284 	wid.val = mac_addr;
1285 
1286 	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1287 	if (result)
1288 		netdev_err(vif->ndev, "Failed to get mac address\n");
1289 
1290 	return result;
1291 }
1292 
wilc_set_mac_address(struct wilc_vif * vif,u8 * mac_addr)1293 int wilc_set_mac_address(struct wilc_vif *vif, u8 *mac_addr)
1294 {
1295 	struct wid wid;
1296 	int result;
1297 
1298 	wid.id = WID_MAC_ADDR;
1299 	wid.type = WID_STR;
1300 	wid.size = ETH_ALEN;
1301 	wid.val = mac_addr;
1302 
1303 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1304 	if (result)
1305 		netdev_err(vif->ndev, "Failed to set mac address\n");
1306 
1307 	return result;
1308 }
1309 
wilc_set_join_req(struct wilc_vif * vif,u8 * bssid,const u8 * ies,size_t ies_len)1310 int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies,
1311 		      size_t ies_len)
1312 {
1313 	int result;
1314 	struct host_if_drv *hif_drv = vif->hif_drv;
1315 	struct wilc_conn_info *conn_info = &hif_drv->conn_info;
1316 
1317 	if (bssid)
1318 		ether_addr_copy(conn_info->bssid, bssid);
1319 
1320 	if (ies) {
1321 		conn_info->req_ies_len = ies_len;
1322 		conn_info->req_ies = kmemdup(ies, ies_len, GFP_KERNEL);
1323 		if (!conn_info->req_ies)
1324 			return -ENOMEM;
1325 	}
1326 
1327 	result = wilc_send_connect_wid(vif);
1328 	if (result)
1329 		goto free_ies;
1330 
1331 	hif_drv->connect_timer_vif = vif;
1332 	mod_timer(&hif_drv->connect_timer,
1333 		  jiffies + msecs_to_jiffies(WILC_HIF_CONNECT_TIMEOUT_MS));
1334 
1335 	return 0;
1336 
1337 free_ies:
1338 	kfree(conn_info->req_ies);
1339 
1340 	return result;
1341 }
1342 
wilc_set_mac_chnl_num(struct wilc_vif * vif,u8 channel)1343 int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel)
1344 {
1345 	struct wid wid;
1346 	int result;
1347 
1348 	wid.id = WID_CURRENT_CHANNEL;
1349 	wid.type = WID_CHAR;
1350 	wid.size = sizeof(char);
1351 	wid.val = &channel;
1352 
1353 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1354 	if (result)
1355 		netdev_err(vif->ndev, "Failed to set channel\n");
1356 
1357 	return result;
1358 }
1359 
wilc_set_operation_mode(struct wilc_vif * vif,int index,u8 mode,u8 ifc_id)1360 int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode,
1361 			    u8 ifc_id)
1362 {
1363 	struct wid wid;
1364 	int result;
1365 	struct wilc_drv_handler drv;
1366 
1367 	wid.id = WID_SET_OPERATION_MODE;
1368 	wid.type = WID_STR;
1369 	wid.size = sizeof(drv);
1370 	wid.val = (u8 *)&drv;
1371 
1372 	drv.handler = cpu_to_le32(index);
1373 	drv.mode = (ifc_id | (mode << 1));
1374 
1375 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1376 	if (result)
1377 		netdev_err(vif->ndev, "Failed to set driver handler\n");
1378 
1379 	return result;
1380 }
1381 
wilc_get_inactive_time(struct wilc_vif * vif,const u8 * mac,u32 * out_val)1382 s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac, u32 *out_val)
1383 {
1384 	struct wid wid;
1385 	s32 result;
1386 
1387 	wid.id = WID_SET_STA_MAC_INACTIVE_TIME;
1388 	wid.type = WID_STR;
1389 	wid.size = ETH_ALEN;
1390 	wid.val = kzalloc(wid.size, GFP_KERNEL);
1391 	if (!wid.val)
1392 		return -ENOMEM;
1393 
1394 	ether_addr_copy(wid.val, mac);
1395 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1396 	kfree(wid.val);
1397 	if (result) {
1398 		netdev_err(vif->ndev, "Failed to set inactive mac\n");
1399 		return result;
1400 	}
1401 
1402 	wid.id = WID_GET_INACTIVE_TIME;
1403 	wid.type = WID_INT;
1404 	wid.val = (s8 *)out_val;
1405 	wid.size = sizeof(u32);
1406 	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1407 	if (result)
1408 		netdev_err(vif->ndev, "Failed to get inactive time\n");
1409 
1410 	return result;
1411 }
1412 
wilc_get_rssi(struct wilc_vif * vif,s8 * rssi_level)1413 int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level)
1414 {
1415 	struct wid wid;
1416 	int result;
1417 
1418 	if (!rssi_level) {
1419 		netdev_err(vif->ndev, "%s: RSSI level is NULL\n", __func__);
1420 		return -EFAULT;
1421 	}
1422 
1423 	wid.id = WID_RSSI;
1424 	wid.type = WID_CHAR;
1425 	wid.size = sizeof(char);
1426 	wid.val = rssi_level;
1427 	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1428 	if (result)
1429 		netdev_err(vif->ndev, "Failed to get RSSI value\n");
1430 
1431 	return result;
1432 }
1433 
wilc_get_stats_async(struct wilc_vif * vif,struct rf_info * stats)1434 static int wilc_get_stats_async(struct wilc_vif *vif, struct rf_info *stats)
1435 {
1436 	int result;
1437 	struct host_if_msg *msg;
1438 
1439 	msg = wilc_alloc_work(vif, handle_get_statistics, false);
1440 	if (IS_ERR(msg))
1441 		return PTR_ERR(msg);
1442 
1443 	msg->body.data = (char *)stats;
1444 
1445 	result = wilc_enqueue_work(msg);
1446 	if (result) {
1447 		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1448 		kfree(msg);
1449 		return result;
1450 	}
1451 
1452 	return result;
1453 }
1454 
wilc_hif_set_cfg(struct wilc_vif * vif,struct cfg_param_attr * param)1455 int wilc_hif_set_cfg(struct wilc_vif *vif, struct cfg_param_attr *param)
1456 {
1457 	struct wid wid_list[4];
1458 	int i = 0;
1459 
1460 	if (param->flag & WILC_CFG_PARAM_RETRY_SHORT) {
1461 		wid_list[i].id = WID_SHORT_RETRY_LIMIT;
1462 		wid_list[i].val = (s8 *)&param->short_retry_limit;
1463 		wid_list[i].type = WID_SHORT;
1464 		wid_list[i].size = sizeof(u16);
1465 		i++;
1466 	}
1467 	if (param->flag & WILC_CFG_PARAM_RETRY_LONG) {
1468 		wid_list[i].id = WID_LONG_RETRY_LIMIT;
1469 		wid_list[i].val = (s8 *)&param->long_retry_limit;
1470 		wid_list[i].type = WID_SHORT;
1471 		wid_list[i].size = sizeof(u16);
1472 		i++;
1473 	}
1474 	if (param->flag & WILC_CFG_PARAM_FRAG_THRESHOLD) {
1475 		wid_list[i].id = WID_FRAG_THRESHOLD;
1476 		wid_list[i].val = (s8 *)&param->frag_threshold;
1477 		wid_list[i].type = WID_SHORT;
1478 		wid_list[i].size = sizeof(u16);
1479 		i++;
1480 	}
1481 	if (param->flag & WILC_CFG_PARAM_RTS_THRESHOLD) {
1482 		wid_list[i].id = WID_RTS_THRESHOLD;
1483 		wid_list[i].val = (s8 *)&param->rts_threshold;
1484 		wid_list[i].type = WID_SHORT;
1485 		wid_list[i].size = sizeof(u16);
1486 		i++;
1487 	}
1488 
1489 	return wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, i);
1490 }
1491 
get_periodic_rssi(struct timer_list * t)1492 static void get_periodic_rssi(struct timer_list *t)
1493 {
1494 	struct wilc_vif *vif = from_timer(vif, t, periodic_rssi);
1495 
1496 	if (!vif->hif_drv) {
1497 		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1498 		return;
1499 	}
1500 
1501 	if (vif->hif_drv->hif_state == HOST_IF_CONNECTED)
1502 		wilc_get_stats_async(vif, &vif->periodic_stat);
1503 
1504 	mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
1505 }
1506 
wilc_init(struct net_device * dev,struct host_if_drv ** hif_drv_handler)1507 int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler)
1508 {
1509 	struct host_if_drv *hif_drv;
1510 	struct wilc_vif *vif = netdev_priv(dev);
1511 
1512 	hif_drv  = kzalloc(sizeof(*hif_drv), GFP_KERNEL);
1513 	if (!hif_drv)
1514 		return -ENOMEM;
1515 
1516 	*hif_drv_handler = hif_drv;
1517 
1518 	vif->hif_drv = hif_drv;
1519 
1520 	timer_setup(&vif->periodic_rssi, get_periodic_rssi, 0);
1521 	mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
1522 
1523 	timer_setup(&hif_drv->scan_timer, timer_scan_cb, 0);
1524 	timer_setup(&hif_drv->connect_timer, timer_connect_cb, 0);
1525 	timer_setup(&hif_drv->remain_on_ch_timer, listen_timer_cb, 0);
1526 
1527 	hif_drv->hif_state = HOST_IF_IDLE;
1528 
1529 	hif_drv->p2p_timeout = 0;
1530 
1531 	return 0;
1532 }
1533 
wilc_deinit(struct wilc_vif * vif)1534 int wilc_deinit(struct wilc_vif *vif)
1535 {
1536 	int result = 0;
1537 	struct host_if_drv *hif_drv = vif->hif_drv;
1538 
1539 	if (!hif_drv) {
1540 		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1541 		return -EFAULT;
1542 	}
1543 
1544 	mutex_lock(&vif->wilc->deinit_lock);
1545 
1546 	timer_shutdown_sync(&hif_drv->scan_timer);
1547 	timer_shutdown_sync(&hif_drv->connect_timer);
1548 	del_timer_sync(&vif->periodic_rssi);
1549 	timer_shutdown_sync(&hif_drv->remain_on_ch_timer);
1550 
1551 	if (hif_drv->usr_scan_req.scan_result) {
1552 		hif_drv->usr_scan_req.scan_result(SCAN_EVENT_ABORTED, NULL,
1553 						  hif_drv->usr_scan_req.arg);
1554 		hif_drv->usr_scan_req.scan_result = NULL;
1555 	}
1556 
1557 	hif_drv->hif_state = HOST_IF_IDLE;
1558 
1559 	kfree(hif_drv);
1560 	vif->hif_drv = NULL;
1561 	mutex_unlock(&vif->wilc->deinit_lock);
1562 	return result;
1563 }
1564 
wilc_network_info_received(struct wilc * wilc,u8 * buffer,u32 length)1565 void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length)
1566 {
1567 	int result;
1568 	struct host_if_msg *msg;
1569 	int id;
1570 	struct host_if_drv *hif_drv;
1571 	struct wilc_vif *vif;
1572 
1573 	id = get_unaligned_le32(&buffer[length - 4]);
1574 	vif = wilc_get_vif_from_idx(wilc, id);
1575 	if (!vif)
1576 		return;
1577 	hif_drv = vif->hif_drv;
1578 
1579 	if (!hif_drv) {
1580 		netdev_err(vif->ndev, "driver not init[%p]\n", hif_drv);
1581 		return;
1582 	}
1583 
1584 	msg = wilc_alloc_work(vif, handle_rcvd_ntwrk_info, false);
1585 	if (IS_ERR(msg))
1586 		return;
1587 
1588 	msg->body.net_info.frame_len = get_unaligned_le16(&buffer[6]) - 1;
1589 	msg->body.net_info.rssi = buffer[8];
1590 	msg->body.net_info.mgmt = kmemdup(&buffer[9],
1591 					  msg->body.net_info.frame_len,
1592 					  GFP_KERNEL);
1593 	if (!msg->body.net_info.mgmt) {
1594 		kfree(msg);
1595 		return;
1596 	}
1597 
1598 	result = wilc_enqueue_work(msg);
1599 	if (result) {
1600 		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1601 		kfree(msg->body.net_info.mgmt);
1602 		kfree(msg);
1603 	}
1604 }
1605 
wilc_gnrl_async_info_received(struct wilc * wilc,u8 * buffer,u32 length)1606 void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length)
1607 {
1608 	int result;
1609 	struct host_if_msg *msg;
1610 	int id;
1611 	struct host_if_drv *hif_drv;
1612 	struct wilc_vif *vif;
1613 
1614 	mutex_lock(&wilc->deinit_lock);
1615 
1616 	id = get_unaligned_le32(&buffer[length - 4]);
1617 	vif = wilc_get_vif_from_idx(wilc, id);
1618 	if (!vif) {
1619 		mutex_unlock(&wilc->deinit_lock);
1620 		return;
1621 	}
1622 
1623 	hif_drv = vif->hif_drv;
1624 
1625 	if (!hif_drv) {
1626 		mutex_unlock(&wilc->deinit_lock);
1627 		return;
1628 	}
1629 
1630 	if (!hif_drv->conn_info.conn_result) {
1631 		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
1632 		mutex_unlock(&wilc->deinit_lock);
1633 		return;
1634 	}
1635 
1636 	msg = wilc_alloc_work(vif, handle_rcvd_gnrl_async_info, false);
1637 	if (IS_ERR(msg)) {
1638 		mutex_unlock(&wilc->deinit_lock);
1639 		return;
1640 	}
1641 
1642 	msg->body.mac_info.status = buffer[7];
1643 	result = wilc_enqueue_work(msg);
1644 	if (result) {
1645 		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1646 		kfree(msg);
1647 	}
1648 
1649 	mutex_unlock(&wilc->deinit_lock);
1650 }
1651 
wilc_scan_complete_received(struct wilc * wilc,u8 * buffer,u32 length)1652 void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length)
1653 {
1654 	int result;
1655 	int id;
1656 	struct host_if_drv *hif_drv;
1657 	struct wilc_vif *vif;
1658 
1659 	id = get_unaligned_le32(&buffer[length - 4]);
1660 	vif = wilc_get_vif_from_idx(wilc, id);
1661 	if (!vif)
1662 		return;
1663 	hif_drv = vif->hif_drv;
1664 
1665 	if (!hif_drv)
1666 		return;
1667 
1668 	if (hif_drv->usr_scan_req.scan_result) {
1669 		struct host_if_msg *msg;
1670 
1671 		msg = wilc_alloc_work(vif, handle_scan_complete, false);
1672 		if (IS_ERR(msg))
1673 			return;
1674 
1675 		result = wilc_enqueue_work(msg);
1676 		if (result) {
1677 			netdev_err(vif->ndev, "%s: enqueue work failed\n",
1678 				   __func__);
1679 			kfree(msg);
1680 		}
1681 	}
1682 }
1683 
wilc_remain_on_channel(struct wilc_vif * vif,u64 cookie,u32 duration,u16 chan,void (* expired)(void *,u64),void * user_arg)1684 int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie,
1685 			   u32 duration, u16 chan,
1686 			   void (*expired)(void *, u64),
1687 			   void *user_arg)
1688 {
1689 	struct wilc_remain_ch roc;
1690 	int result;
1691 
1692 	roc.ch = chan;
1693 	roc.expired = expired;
1694 	roc.arg = user_arg;
1695 	roc.duration = duration;
1696 	roc.cookie = cookie;
1697 	result = handle_remain_on_chan(vif, &roc);
1698 	if (result)
1699 		netdev_err(vif->ndev, "%s: failed to set remain on channel\n",
1700 			   __func__);
1701 
1702 	return result;
1703 }
1704 
wilc_listen_state_expired(struct wilc_vif * vif,u64 cookie)1705 int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie)
1706 {
1707 	if (!vif->hif_drv) {
1708 		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1709 		return -EFAULT;
1710 	}
1711 
1712 	del_timer(&vif->hif_drv->remain_on_ch_timer);
1713 
1714 	return wilc_handle_roc_expired(vif, cookie);
1715 }
1716 
wilc_frame_register(struct wilc_vif * vif,u16 frame_type,bool reg)1717 void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg)
1718 {
1719 	struct wid wid;
1720 	int result;
1721 	struct wilc_reg_frame reg_frame;
1722 
1723 	wid.id = WID_REGISTER_FRAME;
1724 	wid.type = WID_STR;
1725 	wid.size = sizeof(reg_frame);
1726 	wid.val = (u8 *)&reg_frame;
1727 
1728 	memset(&reg_frame, 0x0, sizeof(reg_frame));
1729 
1730 	if (reg)
1731 		reg_frame.reg = 1;
1732 
1733 	switch (frame_type) {
1734 	case IEEE80211_STYPE_ACTION:
1735 		reg_frame.reg_id = WILC_FW_ACTION_FRM_IDX;
1736 		break;
1737 
1738 	case IEEE80211_STYPE_PROBE_REQ:
1739 		reg_frame.reg_id = WILC_FW_PROBE_REQ_IDX;
1740 		break;
1741 
1742         case IEEE80211_STYPE_AUTH:
1743                 reg_frame.reg_id = WILC_FW_AUTH_REQ_IDX;
1744                 break;
1745 
1746 	default:
1747 		break;
1748 	}
1749 	reg_frame.frame_type = cpu_to_le16(frame_type);
1750 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1751 	if (result)
1752 		netdev_err(vif->ndev, "Failed to frame register\n");
1753 }
1754 
wilc_add_beacon(struct wilc_vif * vif,u32 interval,u32 dtim_period,struct cfg80211_beacon_data * params)1755 int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period,
1756 		    struct cfg80211_beacon_data *params)
1757 {
1758 	struct wid wid;
1759 	int result;
1760 	u8 *cur_byte;
1761 
1762 	wid.id = WID_ADD_BEACON;
1763 	wid.type = WID_BIN;
1764 	wid.size = params->head_len + params->tail_len + 16;
1765 	wid.val = kzalloc(wid.size, GFP_KERNEL);
1766 	if (!wid.val)
1767 		return -ENOMEM;
1768 
1769 	cur_byte = wid.val;
1770 	put_unaligned_le32(interval, cur_byte);
1771 	cur_byte += 4;
1772 	put_unaligned_le32(dtim_period, cur_byte);
1773 	cur_byte += 4;
1774 	put_unaligned_le32(params->head_len, cur_byte);
1775 	cur_byte += 4;
1776 
1777 	if (params->head_len > 0)
1778 		memcpy(cur_byte, params->head, params->head_len);
1779 	cur_byte += params->head_len;
1780 
1781 	put_unaligned_le32(params->tail_len, cur_byte);
1782 	cur_byte += 4;
1783 
1784 	if (params->tail_len > 0)
1785 		memcpy(cur_byte, params->tail, params->tail_len);
1786 
1787 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1788 	if (result)
1789 		netdev_err(vif->ndev, "Failed to send add beacon\n");
1790 
1791 	kfree(wid.val);
1792 
1793 	return result;
1794 }
1795 
wilc_del_beacon(struct wilc_vif * vif)1796 int wilc_del_beacon(struct wilc_vif *vif)
1797 {
1798 	int result;
1799 	struct wid wid;
1800 	u8 del_beacon = 0;
1801 
1802 	wid.id = WID_DEL_BEACON;
1803 	wid.type = WID_CHAR;
1804 	wid.size = sizeof(char);
1805 	wid.val = &del_beacon;
1806 
1807 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1808 	if (result)
1809 		netdev_err(vif->ndev, "Failed to send delete beacon\n");
1810 
1811 	return result;
1812 }
1813 
wilc_add_station(struct wilc_vif * vif,const u8 * mac,struct station_parameters * params)1814 int wilc_add_station(struct wilc_vif *vif, const u8 *mac,
1815 		     struct station_parameters *params)
1816 {
1817 	struct wid wid;
1818 	int result;
1819 	u8 *cur_byte;
1820 
1821 	wid.id = WID_ADD_STA;
1822 	wid.type = WID_BIN;
1823 	wid.size = WILC_ADD_STA_LENGTH +
1824 		   params->link_sta_params.supported_rates_len;
1825 	wid.val = kmalloc(wid.size, GFP_KERNEL);
1826 	if (!wid.val)
1827 		return -ENOMEM;
1828 
1829 	cur_byte = wid.val;
1830 	wilc_hif_pack_sta_param(cur_byte, mac, params);
1831 
1832 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1833 	if (result != 0)
1834 		netdev_err(vif->ndev, "Failed to send add station\n");
1835 
1836 	kfree(wid.val);
1837 
1838 	return result;
1839 }
1840 
wilc_del_station(struct wilc_vif * vif,const u8 * mac_addr)1841 int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr)
1842 {
1843 	struct wid wid;
1844 	int result;
1845 
1846 	wid.id = WID_REMOVE_STA;
1847 	wid.type = WID_BIN;
1848 	wid.size = ETH_ALEN;
1849 	wid.val = kzalloc(wid.size, GFP_KERNEL);
1850 	if (!wid.val)
1851 		return -ENOMEM;
1852 
1853 	if (!mac_addr)
1854 		eth_broadcast_addr(wid.val);
1855 	else
1856 		ether_addr_copy(wid.val, mac_addr);
1857 
1858 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1859 	if (result)
1860 		netdev_err(vif->ndev, "Failed to del station\n");
1861 
1862 	kfree(wid.val);
1863 
1864 	return result;
1865 }
1866 
wilc_del_allstation(struct wilc_vif * vif,u8 mac_addr[][ETH_ALEN])1867 int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN])
1868 {
1869 	struct wid wid;
1870 	int result;
1871 	int i;
1872 	u8 assoc_sta = 0;
1873 	struct wilc_del_all_sta del_sta;
1874 
1875 	memset(&del_sta, 0x0, sizeof(del_sta));
1876 	for (i = 0; i < WILC_MAX_NUM_STA; i++) {
1877 		if (!is_zero_ether_addr(mac_addr[i])) {
1878 			assoc_sta++;
1879 			ether_addr_copy(del_sta.mac[i], mac_addr[i]);
1880 		}
1881 	}
1882 
1883 	if (!assoc_sta)
1884 		return 0;
1885 
1886 	del_sta.assoc_sta = assoc_sta;
1887 
1888 	wid.id = WID_DEL_ALL_STA;
1889 	wid.type = WID_STR;
1890 	wid.size = (assoc_sta * ETH_ALEN) + 1;
1891 	wid.val = (u8 *)&del_sta;
1892 
1893 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1894 	if (result)
1895 		netdev_err(vif->ndev, "Failed to send delete all station\n");
1896 
1897 	return result;
1898 }
1899 
wilc_edit_station(struct wilc_vif * vif,const u8 * mac,struct station_parameters * params)1900 int wilc_edit_station(struct wilc_vif *vif, const u8 *mac,
1901 		      struct station_parameters *params)
1902 {
1903 	struct wid wid;
1904 	int result;
1905 	u8 *cur_byte;
1906 
1907 	wid.id = WID_EDIT_STA;
1908 	wid.type = WID_BIN;
1909 	wid.size = WILC_ADD_STA_LENGTH +
1910 		   params->link_sta_params.supported_rates_len;
1911 	wid.val = kmalloc(wid.size, GFP_KERNEL);
1912 	if (!wid.val)
1913 		return -ENOMEM;
1914 
1915 	cur_byte = wid.val;
1916 	wilc_hif_pack_sta_param(cur_byte, mac, params);
1917 
1918 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1919 	if (result)
1920 		netdev_err(vif->ndev, "Failed to send edit station\n");
1921 
1922 	kfree(wid.val);
1923 	return result;
1924 }
1925 
wilc_set_power_mgmt(struct wilc_vif * vif,bool enabled,u32 timeout)1926 int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout)
1927 {
1928 	struct wilc *wilc = vif->wilc;
1929 	struct wid wid;
1930 	int result;
1931 	s8 power_mode;
1932 
1933 	if (enabled)
1934 		power_mode = WILC_FW_MIN_FAST_PS;
1935 	else
1936 		power_mode = WILC_FW_NO_POWERSAVE;
1937 
1938 	wid.id = WID_POWER_MANAGEMENT;
1939 	wid.val = &power_mode;
1940 	wid.size = sizeof(char);
1941 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1942 	if (result)
1943 		netdev_err(vif->ndev, "Failed to send power management\n");
1944 	else
1945 		wilc->power_save_mode = enabled;
1946 
1947 	return result;
1948 }
1949 
wilc_setup_multicast_filter(struct wilc_vif * vif,u32 enabled,u32 count,u8 * mc_list)1950 int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count,
1951 				u8 *mc_list)
1952 {
1953 	int result;
1954 	struct host_if_msg *msg;
1955 
1956 	msg = wilc_alloc_work(vif, handle_set_mcast_filter, false);
1957 	if (IS_ERR(msg))
1958 		return PTR_ERR(msg);
1959 
1960 	msg->body.mc_info.enabled = enabled;
1961 	msg->body.mc_info.cnt = count;
1962 	msg->body.mc_info.mc_list = mc_list;
1963 
1964 	result = wilc_enqueue_work(msg);
1965 	if (result) {
1966 		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1967 		kfree(msg);
1968 	}
1969 	return result;
1970 }
1971 
wilc_set_tx_power(struct wilc_vif * vif,u8 tx_power)1972 int wilc_set_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_SET_CFG, &wid, 1);
1982 }
1983 
wilc_get_tx_power(struct wilc_vif * vif,u8 * tx_power)1984 int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power)
1985 {
1986 	struct wid wid;
1987 
1988 	wid.id = WID_TX_POWER;
1989 	wid.type = WID_CHAR;
1990 	wid.val = tx_power;
1991 	wid.size = sizeof(char);
1992 
1993 	return wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1994 }
1995 
wilc_set_default_mgmt_key_index(struct wilc_vif * vif,u8 index)1996 int wilc_set_default_mgmt_key_index(struct wilc_vif *vif, u8 index)
1997 {
1998         struct wid wid;
1999         int result;
2000 
2001         wid.id = WID_DEFAULT_MGMT_KEY_ID;
2002         wid.type = WID_CHAR;
2003         wid.size = sizeof(char);
2004         wid.val = &index;
2005         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
2006         if (result)
2007                 netdev_err(vif->ndev,
2008                            "Failed to send default mgmt key index\n");
2009 
2010         return result;
2011 }
2012