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 	wilc_for_each_vif(wilc, vif) {
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->priv);
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,void (* scan_result_fn)(enum scan_event,struct wilc_rcvd_net_info *,struct wilc_priv *),struct cfg80211_scan_request * request)154 int 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 
266 error:
267 
268 	kfree(search_ssid_vals);
269 
270 	return result;
271 }
272 
wilc_send_connect_wid(struct wilc_vif * vif)273 static 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 
326 error:
327 
328 	kfree(conn_attr->req_ies);
329 	conn_attr->req_ies = NULL;
330 
331 	return result;
332 }
333 
handle_connect_timeout(struct work_struct * work)334 static 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 
372 out:
373 	kfree(msg);
374 }
375 
376 struct wilc_join_bss_param *
wilc_parse_join_bss_param(struct cfg80211_bss * bss,struct cfg80211_crypto_settings * crypto)377 wilc_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;
386 	int ies_len;
387 	u64 ies_tsf;
388 	int ret;
389 
390 	param = kzalloc(sizeof(*param), GFP_KERNEL);
391 	if (!param)
392 		return NULL;
393 
394 	rcu_read_lock();
395 	ies = rcu_dereference(bss->ies);
396 	ies_data = kmemdup(ies->data, ies->len, GFP_ATOMIC);
397 	if (!ies_data) {
398 		rcu_read_unlock();
399 		kfree(param);
400 		return NULL;
401 	}
402 	ies_len = ies->len;
403 	ies_tsf = ies->tsf;
404 	rcu_read_unlock();
405 
406 	param->beacon_period = cpu_to_le16(bss->beacon_interval);
407 	param->cap_info = cpu_to_le16(bss->capability);
408 	param->bss_type = WILC_FW_BSS_TYPE_INFRA;
409 	param->ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
410 	ether_addr_copy(param->bssid, bss->bssid);
411 
412 	ssid_elm = cfg80211_find_ie(WLAN_EID_SSID, ies_data, ies_len);
413 	if (ssid_elm) {
414 		if (ssid_elm[1] <= IEEE80211_MAX_SSID_LEN)
415 			memcpy(param->ssid, ssid_elm + 2, ssid_elm[1]);
416 	}
417 
418 	tim_elm = cfg80211_find_ie(WLAN_EID_TIM, ies_data, ies_len);
419 	if (tim_elm && tim_elm[1] >= 2)
420 		param->dtim_period = tim_elm[3];
421 
422 	memset(param->p_suites, 0xFF, 3);
423 	memset(param->akm_suites, 0xFF, 3);
424 
425 	rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies_data, ies_len);
426 	if (rates_ie) {
427 		rates_len = rates_ie[1];
428 		if (rates_len > WILC_MAX_RATES_SUPPORTED)
429 			rates_len = WILC_MAX_RATES_SUPPORTED;
430 		param->supp_rates[0] = rates_len;
431 		memcpy(&param->supp_rates[1], rates_ie + 2, rates_len);
432 	}
433 
434 	if (rates_len < WILC_MAX_RATES_SUPPORTED) {
435 		supp_rates_ie = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
436 						 ies_data, ies_len);
437 		if (supp_rates_ie) {
438 			u8 ext_rates = supp_rates_ie[1];
439 
440 			if (ext_rates > (WILC_MAX_RATES_SUPPORTED - rates_len))
441 				param->supp_rates[0] = WILC_MAX_RATES_SUPPORTED;
442 			else
443 				param->supp_rates[0] += ext_rates;
444 
445 			memcpy(&param->supp_rates[rates_len + 1],
446 			       supp_rates_ie + 2,
447 			       (param->supp_rates[0] - rates_len));
448 		}
449 	}
450 
451 	ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies_data, ies_len);
452 	if (ht_ie)
453 		param->ht_capable = true;
454 
455 	ret = cfg80211_get_p2p_attr(ies_data, ies_len,
456 				    IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
457 				    (u8 *)&noa_attr, sizeof(noa_attr));
458 	if (ret > 0) {
459 		param->tsf_lo = cpu_to_le32(ies_tsf);
460 		param->noa_enabled = 1;
461 		param->idx = noa_attr.index;
462 		if (noa_attr.oppps_ctwindow & IEEE80211_P2P_OPPPS_ENABLE_BIT) {
463 			param->opp_enabled = 1;
464 			param->opp_en.ct_window = noa_attr.oppps_ctwindow;
465 			param->opp_en.cnt = noa_attr.desc[0].count;
466 			param->opp_en.duration = noa_attr.desc[0].duration;
467 			param->opp_en.interval = noa_attr.desc[0].interval;
468 			param->opp_en.start_time = noa_attr.desc[0].start_time;
469 		} else {
470 			param->opp_enabled = 0;
471 			param->opp_dis.cnt = noa_attr.desc[0].count;
472 			param->opp_dis.duration = noa_attr.desc[0].duration;
473 			param->opp_dis.interval = noa_attr.desc[0].interval;
474 			param->opp_dis.start_time = noa_attr.desc[0].start_time;
475 		}
476 	}
477 	wmm_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
478 					 WLAN_OUI_TYPE_MICROSOFT_WMM,
479 					 ies_data, ies_len);
480 	if (wmm_ie) {
481 		struct ieee80211_wmm_param_ie *ie;
482 
483 		ie = (struct ieee80211_wmm_param_ie *)wmm_ie;
484 		if ((ie->oui_subtype == 0 || ie->oui_subtype == 1) &&
485 		    ie->version == 1) {
486 			param->wmm_cap = true;
487 			if (ie->qos_info & BIT(7))
488 				param->uapsd_cap = true;
489 		}
490 	}
491 
492 	wpa_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
493 					 WLAN_OUI_TYPE_MICROSOFT_WPA,
494 					 ies_data, ies_len);
495 	if (wpa_ie) {
496 		param->mode_802_11i = 1;
497 		param->rsn_found = true;
498 	}
499 
500 	rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies_data, ies_len);
501 	if (rsn_ie) {
502 		int rsn_ie_len = sizeof(struct element) + rsn_ie[1];
503 		int offset = 8;
504 
505 		param->mode_802_11i = 2;
506 		param->rsn_found = true;
507 
508 		/* extract RSN capabilities */
509 		if (offset < rsn_ie_len) {
510 			/* skip over pairwise suites */
511 			offset += (rsn_ie[offset] * 4) + 2;
512 
513 			if (offset < rsn_ie_len) {
514 				/* skip over authentication suites */
515 				offset += (rsn_ie[offset] * 4) + 2;
516 
517 				if (offset + 1 < rsn_ie_len)
518 					memcpy(param->rsn_cap, &rsn_ie[offset], 2);
519 			}
520 		}
521 	}
522 
523 	if (param->rsn_found) {
524 		int i;
525 
526 		param->rsn_grp_policy = crypto->cipher_group & 0xFF;
527 		for (i = 0; i < crypto->n_ciphers_pairwise && i < 3; i++)
528 			param->p_suites[i] = crypto->ciphers_pairwise[i] & 0xFF;
529 
530 		for (i = 0; i < crypto->n_akm_suites && i < 3; i++)
531 			param->akm_suites[i] = crypto->akm_suites[i] & 0xFF;
532 	}
533 
534 	kfree(ies_data);
535 	return (void *)param;
536 }
537 
handle_rcvd_ntwrk_info(struct work_struct * work)538 static void handle_rcvd_ntwrk_info(struct work_struct *work)
539 {
540 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
541 	struct wilc_rcvd_net_info *rcvd_info = &msg->body.net_info;
542 	struct wilc_user_scan_req *scan_req = &msg->vif->hif_drv->usr_scan_req;
543 	const u8 *ch_elm;
544 	u8 *ies;
545 	int ies_len;
546 	size_t offset;
547 
548 	if (ieee80211_is_probe_resp(rcvd_info->mgmt->frame_control))
549 		offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
550 	else if (ieee80211_is_beacon(rcvd_info->mgmt->frame_control))
551 		offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
552 	else
553 		goto done;
554 
555 	ies = rcvd_info->mgmt->u.beacon.variable;
556 	ies_len = rcvd_info->frame_len - offset;
557 	if (ies_len <= 0)
558 		goto done;
559 
560 	ch_elm = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ies, ies_len);
561 	if (ch_elm && ch_elm[1] > 0)
562 		rcvd_info->ch = ch_elm[2];
563 
564 	if (scan_req->scan_result)
565 		scan_req->scan_result(SCAN_EVENT_NETWORK_FOUND, rcvd_info,
566 				      scan_req->priv);
567 
568 done:
569 	kfree(rcvd_info->mgmt);
570 	kfree(msg);
571 }
572 
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)573 static void host_int_get_assoc_res_info(struct wilc_vif *vif,
574 					u8 *assoc_resp_info,
575 					u32 max_assoc_resp_info_len,
576 					u32 *rcvd_assoc_resp_info_len)
577 {
578 	int result;
579 	struct wid wid;
580 
581 	wid.id = WID_ASSOC_RES_INFO;
582 	wid.type = WID_STR;
583 	wid.val = assoc_resp_info;
584 	wid.size = max_assoc_resp_info_len;
585 
586 	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
587 	if (result) {
588 		*rcvd_assoc_resp_info_len = 0;
589 		netdev_err(vif->ndev, "Failed to send association response\n");
590 		return;
591 	}
592 
593 	*rcvd_assoc_resp_info_len = wid.size;
594 }
595 
wilc_parse_assoc_resp_info(u8 * buffer,u32 buffer_len,struct wilc_conn_info * ret_conn_info)596 static s32 wilc_parse_assoc_resp_info(u8 *buffer, u32 buffer_len,
597 				      struct wilc_conn_info *ret_conn_info)
598 {
599 	u8 *ies;
600 	u16 ies_len;
601 	struct wilc_assoc_resp *res = (struct wilc_assoc_resp *)buffer;
602 
603 	ret_conn_info->status = le16_to_cpu(res->status_code);
604 	if (ret_conn_info->status == WLAN_STATUS_SUCCESS) {
605 		ies = &buffer[sizeof(*res)];
606 		ies_len = buffer_len - sizeof(*res);
607 
608 		ret_conn_info->resp_ies = kmemdup(ies, ies_len, GFP_KERNEL);
609 		if (!ret_conn_info->resp_ies)
610 			return -ENOMEM;
611 
612 		ret_conn_info->resp_ies_len = ies_len;
613 	}
614 
615 	return 0;
616 }
617 
host_int_parse_assoc_resp_info(struct wilc_vif * vif,u8 mac_status)618 static inline void host_int_parse_assoc_resp_info(struct wilc_vif *vif,
619 						  u8 mac_status)
620 {
621 	struct host_if_drv *hif_drv = vif->hif_drv;
622 	struct wilc_conn_info *conn_info = &hif_drv->conn_info;
623 
624 	if (mac_status == WILC_MAC_STATUS_CONNECTED) {
625 		u32 assoc_resp_info_len;
626 
627 		memset(hif_drv->assoc_resp, 0, WILC_MAX_ASSOC_RESP_FRAME_SIZE);
628 
629 		host_int_get_assoc_res_info(vif, hif_drv->assoc_resp,
630 					    WILC_MAX_ASSOC_RESP_FRAME_SIZE,
631 					    &assoc_resp_info_len);
632 
633 		if (assoc_resp_info_len != 0) {
634 			s32 err = 0;
635 
636 			err = wilc_parse_assoc_resp_info(hif_drv->assoc_resp,
637 							 assoc_resp_info_len,
638 							 conn_info);
639 			if (err)
640 				netdev_err(vif->ndev,
641 					   "wilc_parse_assoc_resp_info() returned error %d\n",
642 					   err);
643 		}
644 	}
645 
646 	del_timer(&hif_drv->connect_timer);
647 	conn_info->conn_result(CONN_DISCONN_EVENT_CONN_RESP, mac_status,
648 			       hif_drv->conn_info.priv);
649 
650 	if (mac_status == WILC_MAC_STATUS_CONNECTED &&
651 	    conn_info->status == WLAN_STATUS_SUCCESS) {
652 		ether_addr_copy(hif_drv->assoc_bssid, conn_info->bssid);
653 		hif_drv->hif_state = HOST_IF_CONNECTED;
654 	} else {
655 		hif_drv->hif_state = HOST_IF_IDLE;
656 	}
657 
658 	kfree(conn_info->resp_ies);
659 	conn_info->resp_ies = NULL;
660 	conn_info->resp_ies_len = 0;
661 
662 	kfree(conn_info->req_ies);
663 	conn_info->req_ies = NULL;
664 	conn_info->req_ies_len = 0;
665 }
666 
wilc_handle_disconnect(struct wilc_vif * vif)667 void wilc_handle_disconnect(struct wilc_vif *vif)
668 {
669 	struct host_if_drv *hif_drv = vif->hif_drv;
670 
671 	if (hif_drv->usr_scan_req.scan_result) {
672 		del_timer(&hif_drv->scan_timer);
673 		handle_scan_done(vif, SCAN_EVENT_ABORTED);
674 	}
675 
676 	if (hif_drv->conn_info.conn_result)
677 		hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF,
678 					       0, hif_drv->conn_info.priv);
679 
680 	eth_zero_addr(hif_drv->assoc_bssid);
681 
682 	hif_drv->conn_info.req_ies_len = 0;
683 	kfree(hif_drv->conn_info.req_ies);
684 	hif_drv->conn_info.req_ies = NULL;
685 	hif_drv->hif_state = HOST_IF_IDLE;
686 }
687 
handle_rcvd_gnrl_async_info(struct work_struct * work)688 static void handle_rcvd_gnrl_async_info(struct work_struct *work)
689 {
690 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
691 	struct wilc_vif *vif = msg->vif;
692 	struct wilc_rcvd_mac_info *mac_info = &msg->body.mac_info;
693 	struct host_if_drv *hif_drv = vif->hif_drv;
694 
695 	if (!hif_drv) {
696 		netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
697 		goto free_msg;
698 	}
699 
700 	if (!hif_drv->conn_info.conn_result) {
701 		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
702 		goto free_msg;
703 	}
704 
705 
706         if (hif_drv->hif_state == HOST_IF_EXTERNAL_AUTH) {
707                 cfg80211_external_auth_request(vif->ndev, &vif->auth,
708 					       GFP_KERNEL);
709                 hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP;
710         } else if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) {
711 		host_int_parse_assoc_resp_info(vif, mac_info->status);
712 	} else if (mac_info->status == WILC_MAC_STATUS_DISCONNECTED) {
713 		if (hif_drv->hif_state == HOST_IF_CONNECTED) {
714 			wilc_handle_disconnect(vif);
715 		} else if (hif_drv->usr_scan_req.scan_result) {
716 			del_timer(&hif_drv->scan_timer);
717 			handle_scan_done(vif, SCAN_EVENT_ABORTED);
718 		}
719 	}
720 
721 free_msg:
722 	kfree(msg);
723 }
724 
wilc_disconnect(struct wilc_vif * vif)725 int wilc_disconnect(struct wilc_vif *vif)
726 {
727 	struct wid wid;
728 	struct host_if_drv *hif_drv = vif->hif_drv;
729 	struct wilc_user_scan_req *scan_req;
730 	struct wilc_conn_info *conn_info;
731 	int result;
732 	u16 dummy_reason_code = 0;
733 
734 	wid.id = WID_DISCONNECT;
735 	wid.type = WID_CHAR;
736 	wid.val = (s8 *)&dummy_reason_code;
737 	wid.size = sizeof(char);
738 
739 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
740 	if (result) {
741 		netdev_err(vif->ndev, "Failed to send disconnect\n");
742 		return result;
743 	}
744 
745 	scan_req = &hif_drv->usr_scan_req;
746 	conn_info = &hif_drv->conn_info;
747 
748 	if (scan_req->scan_result) {
749 		del_timer(&hif_drv->scan_timer);
750 		scan_req->scan_result(SCAN_EVENT_ABORTED, NULL, scan_req->priv);
751 		scan_req->scan_result = NULL;
752 	}
753 
754 	if (conn_info->conn_result) {
755 		if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP ||
756 		    hif_drv->hif_state == HOST_IF_EXTERNAL_AUTH)
757 			del_timer(&hif_drv->connect_timer);
758 
759 		conn_info->conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, 0,
760 				       conn_info->priv);
761 	} else {
762 		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
763 	}
764 
765 	hif_drv->hif_state = HOST_IF_IDLE;
766 
767 	eth_zero_addr(hif_drv->assoc_bssid);
768 
769 	conn_info->req_ies_len = 0;
770 	kfree(conn_info->req_ies);
771 	conn_info->req_ies = NULL;
772 
773 	return 0;
774 }
775 
wilc_get_statistics(struct wilc_vif * vif,struct rf_info * stats)776 int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats)
777 {
778 	struct wid wid_list[5];
779 	u32 wid_cnt = 0, result;
780 
781 	wid_list[wid_cnt].id = WID_LINKSPEED;
782 	wid_list[wid_cnt].type = WID_CHAR;
783 	wid_list[wid_cnt].size = sizeof(char);
784 	wid_list[wid_cnt].val = (s8 *)&stats->link_speed;
785 	wid_cnt++;
786 
787 	wid_list[wid_cnt].id = WID_RSSI;
788 	wid_list[wid_cnt].type = WID_CHAR;
789 	wid_list[wid_cnt].size = sizeof(char);
790 	wid_list[wid_cnt].val = (s8 *)&stats->rssi;
791 	wid_cnt++;
792 
793 	wid_list[wid_cnt].id = WID_SUCCESS_FRAME_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->tx_cnt;
797 	wid_cnt++;
798 
799 	wid_list[wid_cnt].id = WID_RECEIVED_FRAGMENT_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->rx_cnt;
803 	wid_cnt++;
804 
805 	wid_list[wid_cnt].id = WID_FAILED_COUNT;
806 	wid_list[wid_cnt].type = WID_INT;
807 	wid_list[wid_cnt].size = sizeof(u32);
808 	wid_list[wid_cnt].val = (s8 *)&stats->tx_fail_cnt;
809 	wid_cnt++;
810 
811 	result = wilc_send_config_pkt(vif, WILC_GET_CFG, wid_list, wid_cnt);
812 	if (result) {
813 		netdev_err(vif->ndev, "Failed to send scan parameters\n");
814 		return result;
815 	}
816 
817 	if (stats->link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH &&
818 	    stats->link_speed != DEFAULT_LINK_SPEED)
819 		wilc_enable_tcp_ack_filter(vif, true);
820 	else if (stats->link_speed != DEFAULT_LINK_SPEED)
821 		wilc_enable_tcp_ack_filter(vif, false);
822 
823 	return result;
824 }
825 
handle_get_statistics(struct work_struct * work)826 static void handle_get_statistics(struct work_struct *work)
827 {
828 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
829 	struct wilc_vif *vif = msg->vif;
830 	struct rf_info *stats = (struct rf_info *)msg->body.data;
831 
832 	wilc_get_statistics(vif, stats);
833 
834 	kfree(msg);
835 }
836 
wilc_hif_pack_sta_param(u8 * cur_byte,const u8 * mac,struct station_parameters * params)837 static void wilc_hif_pack_sta_param(u8 *cur_byte, const u8 *mac,
838 				    struct station_parameters *params)
839 {
840 	ether_addr_copy(cur_byte, mac);
841 	cur_byte += ETH_ALEN;
842 
843 	put_unaligned_le16(params->aid, cur_byte);
844 	cur_byte += 2;
845 
846 	*cur_byte++ = params->link_sta_params.supported_rates_len;
847 	if (params->link_sta_params.supported_rates_len > 0)
848 		memcpy(cur_byte, params->link_sta_params.supported_rates,
849 		       params->link_sta_params.supported_rates_len);
850 	cur_byte += params->link_sta_params.supported_rates_len;
851 
852 	if (params->link_sta_params.ht_capa) {
853 		*cur_byte++ = true;
854 		memcpy(cur_byte, params->link_sta_params.ht_capa,
855 		       sizeof(struct ieee80211_ht_cap));
856 	} else {
857 		*cur_byte++ = false;
858 	}
859 	cur_byte += sizeof(struct ieee80211_ht_cap);
860 
861 	put_unaligned_le16(params->sta_flags_mask, cur_byte);
862 	cur_byte += 2;
863 	put_unaligned_le16(params->sta_flags_set, cur_byte);
864 }
865 
handle_remain_on_chan(struct wilc_vif * vif,struct wilc_remain_ch * hif_remain_ch)866 static int handle_remain_on_chan(struct wilc_vif *vif,
867 				 struct wilc_remain_ch *hif_remain_ch)
868 {
869 	int result;
870 	u8 remain_on_chan_flag;
871 	struct wid wid;
872 	struct host_if_drv *hif_drv = vif->hif_drv;
873 
874 	if (hif_drv->usr_scan_req.scan_result)
875 		return -EBUSY;
876 
877 	if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP)
878 		return -EBUSY;
879 
880 	if (vif->connecting)
881 		return -EBUSY;
882 
883 	remain_on_chan_flag = true;
884 	wid.id = WID_REMAIN_ON_CHAN;
885 	wid.type = WID_STR;
886 	wid.size = 2;
887 	wid.val = kmalloc(wid.size, GFP_KERNEL);
888 	if (!wid.val)
889 		return -ENOMEM;
890 
891 	wid.val[0] = remain_on_chan_flag;
892 	wid.val[1] = (s8)hif_remain_ch->ch;
893 
894 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
895 	kfree(wid.val);
896 	if (result)
897 		return -EBUSY;
898 
899 	hif_drv->remain_on_ch.vif = hif_remain_ch->vif;
900 	hif_drv->remain_on_ch.expired = hif_remain_ch->expired;
901 	hif_drv->remain_on_ch.ch = hif_remain_ch->ch;
902 	hif_drv->remain_on_ch.cookie = hif_remain_ch->cookie;
903 	hif_drv->remain_on_ch_timer_vif = vif;
904 
905 	return 0;
906 }
907 
wilc_handle_roc_expired(struct wilc_vif * vif,u64 cookie)908 static int wilc_handle_roc_expired(struct wilc_vif *vif, u64 cookie)
909 {
910 	u8 remain_on_chan_flag;
911 	struct wid wid;
912 	int result;
913 	struct host_if_drv *hif_drv = vif->hif_drv;
914 
915 	if (vif->priv.p2p_listen_state) {
916 		remain_on_chan_flag = false;
917 		wid.id = WID_REMAIN_ON_CHAN;
918 		wid.type = WID_STR;
919 		wid.size = 2;
920 
921 		wid.val = kmalloc(wid.size, GFP_KERNEL);
922 		if (!wid.val)
923 			return -ENOMEM;
924 
925 		wid.val[0] = remain_on_chan_flag;
926 		wid.val[1] = WILC_FALSE_FRMWR_CHANNEL;
927 
928 		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
929 		kfree(wid.val);
930 		if (result != 0) {
931 			netdev_err(vif->ndev, "Failed to set remain channel\n");
932 			return -EINVAL;
933 		}
934 
935 		if (hif_drv->remain_on_ch.expired) {
936 			hif_drv->remain_on_ch.expired(hif_drv->remain_on_ch.vif,
937 						      cookie);
938 		}
939 	} else {
940 		netdev_dbg(vif->ndev, "Not in listen state\n");
941 	}
942 
943 	return 0;
944 }
945 
wilc_handle_listen_state_expired(struct work_struct * work)946 static void wilc_handle_listen_state_expired(struct work_struct *work)
947 {
948 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
949 
950 	wilc_handle_roc_expired(msg->vif, msg->body.remain_on_ch.cookie);
951 	kfree(msg);
952 }
953 
listen_timer_cb(struct timer_list * t)954 static void listen_timer_cb(struct timer_list *t)
955 {
956 	struct host_if_drv *hif_drv = from_timer(hif_drv, t,
957 						      remain_on_ch_timer);
958 	struct wilc_vif *vif = hif_drv->remain_on_ch_timer_vif;
959 	int result;
960 	struct host_if_msg *msg;
961 
962 	del_timer(&vif->hif_drv->remain_on_ch_timer);
963 
964 	msg = wilc_alloc_work(vif, wilc_handle_listen_state_expired, false);
965 	if (IS_ERR(msg))
966 		return;
967 
968 	msg->body.remain_on_ch.cookie = vif->hif_drv->remain_on_ch.cookie;
969 
970 	result = wilc_enqueue_work(msg);
971 	if (result) {
972 		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
973 		kfree(msg);
974 	}
975 }
976 
handle_set_mcast_filter(struct work_struct * work)977 static void handle_set_mcast_filter(struct work_struct *work)
978 {
979 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
980 	struct wilc_vif *vif = msg->vif;
981 	struct wilc_set_multicast *set_mc = &msg->body.mc_info;
982 	int result;
983 	struct wid wid;
984 	u8 *cur_byte;
985 
986 	wid.id = WID_SETUP_MULTICAST_FILTER;
987 	wid.type = WID_BIN;
988 	wid.size = sizeof(struct wilc_set_multicast) + (set_mc->cnt * ETH_ALEN);
989 	wid.val = kmalloc(wid.size, GFP_KERNEL);
990 	if (!wid.val)
991 		goto error;
992 
993 	cur_byte = wid.val;
994 	put_unaligned_le32(set_mc->enabled, cur_byte);
995 	cur_byte += 4;
996 
997 	put_unaligned_le32(set_mc->cnt, cur_byte);
998 	cur_byte += 4;
999 
1000 	if (set_mc->cnt > 0 && set_mc->mc_list)
1001 		memcpy(cur_byte, set_mc->mc_list, set_mc->cnt * ETH_ALEN);
1002 
1003 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1004 	if (result)
1005 		netdev_err(vif->ndev, "Failed to send setup multicast\n");
1006 
1007 error:
1008 	kfree(set_mc->mc_list);
1009 	kfree(wid.val);
1010 	kfree(msg);
1011 }
1012 
wilc_set_wowlan_trigger(struct wilc_vif * vif,bool enabled)1013 void wilc_set_wowlan_trigger(struct wilc_vif *vif, bool enabled)
1014 {
1015 	int ret;
1016 	struct wid wid;
1017 	u8 wowlan_trigger = 0;
1018 
1019 	if (enabled)
1020 		wowlan_trigger = 1;
1021 
1022 	wid.id = WID_WOWLAN_TRIGGER;
1023 	wid.type = WID_CHAR;
1024 	wid.val = &wowlan_trigger;
1025 	wid.size = sizeof(char);
1026 
1027 	ret = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1028 	if (ret)
1029 		pr_err("Failed to send wowlan trigger config packet\n");
1030 }
1031 
wilc_set_external_auth_param(struct wilc_vif * vif,struct cfg80211_external_auth_params * auth)1032 int wilc_set_external_auth_param(struct wilc_vif *vif,
1033 				 struct cfg80211_external_auth_params *auth)
1034 {
1035 	int ret;
1036 	struct wid wid;
1037 	struct wilc_external_auth_param *param;
1038 
1039 	wid.id = WID_EXTERNAL_AUTH_PARAM;
1040 	wid.type = WID_BIN_DATA;
1041 	wid.size = sizeof(*param);
1042 	param = kzalloc(sizeof(*param), GFP_KERNEL);
1043 	if (!param)
1044 		return -EINVAL;
1045 
1046 	wid.val = (u8 *)param;
1047 	param->action = auth->action;
1048 	ether_addr_copy(param->bssid, auth->bssid);
1049 	memcpy(param->ssid, auth->ssid.ssid, auth->ssid.ssid_len);
1050 	param->ssid_len = auth->ssid.ssid_len;
1051 	ret = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1052 
1053 	kfree(param);
1054 	return ret;
1055 }
1056 
handle_scan_timer(struct work_struct * work)1057 static void handle_scan_timer(struct work_struct *work)
1058 {
1059 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
1060 
1061 	handle_scan_done(msg->vif, SCAN_EVENT_ABORTED);
1062 	kfree(msg);
1063 }
1064 
handle_scan_complete(struct work_struct * work)1065 static void handle_scan_complete(struct work_struct *work)
1066 {
1067 	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
1068 
1069 	del_timer(&msg->vif->hif_drv->scan_timer);
1070 
1071 	handle_scan_done(msg->vif, SCAN_EVENT_DONE);
1072 
1073 	kfree(msg);
1074 }
1075 
timer_scan_cb(struct timer_list * t)1076 static void timer_scan_cb(struct timer_list *t)
1077 {
1078 	struct host_if_drv *hif_drv = from_timer(hif_drv, t, scan_timer);
1079 	struct wilc_vif *vif = hif_drv->scan_timer_vif;
1080 	struct host_if_msg *msg;
1081 	int result;
1082 
1083 	msg = wilc_alloc_work(vif, handle_scan_timer, false);
1084 	if (IS_ERR(msg))
1085 		return;
1086 
1087 	result = wilc_enqueue_work(msg);
1088 	if (result)
1089 		kfree(msg);
1090 }
1091 
timer_connect_cb(struct timer_list * t)1092 static void timer_connect_cb(struct timer_list *t)
1093 {
1094 	struct host_if_drv *hif_drv = from_timer(hif_drv, t,
1095 						      connect_timer);
1096 	struct wilc_vif *vif = hif_drv->connect_timer_vif;
1097 	struct host_if_msg *msg;
1098 	int result;
1099 
1100 	msg = wilc_alloc_work(vif, handle_connect_timeout, false);
1101 	if (IS_ERR(msg))
1102 		return;
1103 
1104 	result = wilc_enqueue_work(msg);
1105 	if (result)
1106 		kfree(msg);
1107 }
1108 
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)1109 int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
1110 		 const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic,
1111 		 u8 mode, u8 cipher_mode, u8 index)
1112 {
1113 	int result = 0;
1114 	u8 t_key_len  = ptk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
1115 
1116 	if (mode == WILC_AP_MODE) {
1117 		struct wid wid_list[2];
1118 		struct wilc_ap_wpa_ptk *key_buf;
1119 
1120 		wid_list[0].id = WID_11I_MODE;
1121 		wid_list[0].type = WID_CHAR;
1122 		wid_list[0].size = sizeof(char);
1123 		wid_list[0].val = (s8 *)&cipher_mode;
1124 
1125 		key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1126 		if (!key_buf)
1127 			return -ENOMEM;
1128 
1129 		ether_addr_copy(key_buf->mac_addr, mac_addr);
1130 		key_buf->index = index;
1131 		key_buf->key_len = t_key_len;
1132 		memcpy(&key_buf->key[0], ptk, ptk_key_len);
1133 
1134 		if (rx_mic)
1135 			memcpy(&key_buf->key[ptk_key_len], rx_mic,
1136 			       WILC_RX_MIC_KEY_LEN);
1137 
1138 		if (tx_mic)
1139 			memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
1140 			       tx_mic, WILC_TX_MIC_KEY_LEN);
1141 
1142 		wid_list[1].id = WID_ADD_PTK;
1143 		wid_list[1].type = WID_STR;
1144 		wid_list[1].size = sizeof(*key_buf) + t_key_len;
1145 		wid_list[1].val = (u8 *)key_buf;
1146 		result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1147 					      ARRAY_SIZE(wid_list));
1148 		kfree(key_buf);
1149 	} else if (mode == WILC_STATION_MODE) {
1150 		struct wid wid;
1151 		struct wilc_sta_wpa_ptk *key_buf;
1152 
1153 		key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1154 		if (!key_buf)
1155 			return -ENOMEM;
1156 
1157 		ether_addr_copy(key_buf->mac_addr, mac_addr);
1158 		key_buf->key_len = t_key_len;
1159 		memcpy(&key_buf->key[0], ptk, ptk_key_len);
1160 
1161 		if (rx_mic)
1162 			memcpy(&key_buf->key[ptk_key_len], rx_mic,
1163 			       WILC_RX_MIC_KEY_LEN);
1164 
1165 		if (tx_mic)
1166 			memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
1167 			       tx_mic, WILC_TX_MIC_KEY_LEN);
1168 
1169 		wid.id = WID_ADD_PTK;
1170 		wid.type = WID_STR;
1171 		wid.size = sizeof(*key_buf) + t_key_len;
1172 		wid.val = (s8 *)key_buf;
1173 		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1174 		kfree(key_buf);
1175 	}
1176 
1177 	return result;
1178 }
1179 
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)1180 int wilc_add_igtk(struct wilc_vif *vif, const u8 *igtk, u8 igtk_key_len,
1181 		  const u8 *pn, u8 pn_len, const u8 *mac_addr, u8 mode, u8 index)
1182 {
1183 	int result = 0;
1184 	u8 t_key_len = igtk_key_len;
1185 	struct wid wid;
1186 	struct wilc_wpa_igtk *key_buf;
1187 
1188 	key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1189 	if (!key_buf)
1190 		return -ENOMEM;
1191 
1192 	key_buf->index = index;
1193 
1194 	memcpy(&key_buf->pn[0], pn, pn_len);
1195 	key_buf->pn_len = pn_len;
1196 
1197 	memcpy(&key_buf->key[0], igtk, igtk_key_len);
1198 	key_buf->key_len = t_key_len;
1199 
1200 	wid.id = WID_ADD_IGTK;
1201 	wid.type = WID_STR;
1202 	wid.size = sizeof(*key_buf) + t_key_len;
1203 	wid.val = (s8 *)key_buf;
1204 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1205 	kfree(key_buf);
1206 
1207 	return result;
1208 }
1209 
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)1210 int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
1211 		    u8 index, u32 key_rsc_len, const u8 *key_rsc,
1212 		    const u8 *rx_mic, const u8 *tx_mic, u8 mode,
1213 		    u8 cipher_mode)
1214 {
1215 	int result = 0;
1216 	struct wilc_gtk_key *gtk_key;
1217 	int t_key_len = gtk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
1218 
1219 	gtk_key = kzalloc(sizeof(*gtk_key) + t_key_len, GFP_KERNEL);
1220 	if (!gtk_key)
1221 		return -ENOMEM;
1222 
1223 	/* fill bssid value only in station mode */
1224 	if (mode == WILC_STATION_MODE &&
1225 	    vif->hif_drv->hif_state == HOST_IF_CONNECTED)
1226 		memcpy(gtk_key->mac_addr, vif->hif_drv->assoc_bssid, ETH_ALEN);
1227 
1228 	if (key_rsc)
1229 		memcpy(gtk_key->rsc, key_rsc, 8);
1230 	gtk_key->index = index;
1231 	gtk_key->key_len = t_key_len;
1232 	memcpy(&gtk_key->key[0], rx_gtk, gtk_key_len);
1233 
1234 	if (rx_mic)
1235 		memcpy(&gtk_key->key[gtk_key_len], rx_mic, WILC_RX_MIC_KEY_LEN);
1236 
1237 	if (tx_mic)
1238 		memcpy(&gtk_key->key[gtk_key_len + WILC_RX_MIC_KEY_LEN],
1239 		       tx_mic, WILC_TX_MIC_KEY_LEN);
1240 
1241 	if (mode == WILC_AP_MODE) {
1242 		struct wid wid_list[2];
1243 
1244 		wid_list[0].id = WID_11I_MODE;
1245 		wid_list[0].type = WID_CHAR;
1246 		wid_list[0].size = sizeof(char);
1247 		wid_list[0].val = (s8 *)&cipher_mode;
1248 
1249 		wid_list[1].id = WID_ADD_RX_GTK;
1250 		wid_list[1].type = WID_STR;
1251 		wid_list[1].size = sizeof(*gtk_key) + t_key_len;
1252 		wid_list[1].val = (u8 *)gtk_key;
1253 
1254 		result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1255 					      ARRAY_SIZE(wid_list));
1256 	} else if (mode == WILC_STATION_MODE) {
1257 		struct wid wid;
1258 
1259 		wid.id = WID_ADD_RX_GTK;
1260 		wid.type = WID_STR;
1261 		wid.size = sizeof(*gtk_key) + t_key_len;
1262 		wid.val = (u8 *)gtk_key;
1263 		result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1264 	}
1265 
1266 	kfree(gtk_key);
1267 	return result;
1268 }
1269 
wilc_set_pmkid_info(struct wilc_vif * vif,struct wilc_pmkid_attr * pmkid)1270 int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid)
1271 {
1272 	struct wid wid;
1273 
1274 	wid.id = WID_PMKID_INFO;
1275 	wid.type = WID_STR;
1276 	wid.size = (pmkid->numpmkid * sizeof(struct wilc_pmkid)) + 1;
1277 	wid.val = (u8 *)pmkid;
1278 
1279 	return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1280 }
1281 
wilc_get_mac_address(struct wilc_vif * vif,u8 * mac_addr)1282 int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr)
1283 {
1284 	int result;
1285 	struct wid wid;
1286 
1287 	wid.id = WID_MAC_ADDR;
1288 	wid.type = WID_STR;
1289 	wid.size = ETH_ALEN;
1290 	wid.val = mac_addr;
1291 
1292 	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1293 	if (result)
1294 		netdev_err(vif->ndev, "Failed to get mac address\n");
1295 
1296 	return result;
1297 }
1298 
wilc_set_mac_address(struct wilc_vif * vif,const u8 * mac_addr)1299 int wilc_set_mac_address(struct wilc_vif *vif, const u8 *mac_addr)
1300 {
1301 	struct wid wid;
1302 	int result;
1303 
1304 	wid.id = WID_MAC_ADDR;
1305 	wid.type = WID_STR;
1306 	wid.size = ETH_ALEN;
1307 	wid.val = (u8 *)mac_addr;
1308 
1309 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1310 	if (result)
1311 		netdev_err(vif->ndev, "Failed to set mac address\n");
1312 
1313 	return result;
1314 }
1315 
wilc_set_join_req(struct wilc_vif * vif,u8 * bssid,const u8 * ies,size_t ies_len)1316 int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies,
1317 		      size_t ies_len)
1318 {
1319 	int result;
1320 	struct host_if_drv *hif_drv = vif->hif_drv;
1321 	struct wilc_conn_info *conn_info = &hif_drv->conn_info;
1322 
1323 	if (bssid)
1324 		ether_addr_copy(conn_info->bssid, bssid);
1325 
1326 	if (ies) {
1327 		conn_info->req_ies_len = ies_len;
1328 		conn_info->req_ies = kmemdup(ies, ies_len, GFP_KERNEL);
1329 		if (!conn_info->req_ies)
1330 			return -ENOMEM;
1331 	}
1332 
1333 	result = wilc_send_connect_wid(vif);
1334 	if (result)
1335 		goto free_ies;
1336 
1337 	hif_drv->connect_timer_vif = vif;
1338 	mod_timer(&hif_drv->connect_timer,
1339 		  jiffies + msecs_to_jiffies(WILC_HIF_CONNECT_TIMEOUT_MS));
1340 
1341 	return 0;
1342 
1343 free_ies:
1344 	kfree(conn_info->req_ies);
1345 
1346 	return result;
1347 }
1348 
wilc_set_mac_chnl_num(struct wilc_vif * vif,u8 channel)1349 int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel)
1350 {
1351 	struct wid wid;
1352 	int result;
1353 
1354 	wid.id = WID_CURRENT_CHANNEL;
1355 	wid.type = WID_CHAR;
1356 	wid.size = sizeof(char);
1357 	wid.val = &channel;
1358 
1359 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1360 	if (result)
1361 		netdev_err(vif->ndev, "Failed to set channel\n");
1362 
1363 	return result;
1364 }
1365 
wilc_set_operation_mode(struct wilc_vif * vif,int index,u8 mode,u8 ifc_id)1366 int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode,
1367 			    u8 ifc_id)
1368 {
1369 	struct wid wid;
1370 	int result;
1371 	struct wilc_drv_handler drv;
1372 
1373 	wid.id = WID_SET_OPERATION_MODE;
1374 	wid.type = WID_STR;
1375 	wid.size = sizeof(drv);
1376 	wid.val = (u8 *)&drv;
1377 
1378 	drv.handler = cpu_to_le32(index);
1379 	drv.mode = (ifc_id | (mode << 1));
1380 
1381 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1382 	if (result)
1383 		netdev_err(vif->ndev, "Failed to set driver handler\n");
1384 
1385 	return result;
1386 }
1387 
wilc_get_inactive_time(struct wilc_vif * vif,const u8 * mac,u32 * out_val)1388 s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac, u32 *out_val)
1389 {
1390 	struct wid wid;
1391 	s32 result;
1392 
1393 	wid.id = WID_SET_STA_MAC_INACTIVE_TIME;
1394 	wid.type = WID_STR;
1395 	wid.size = ETH_ALEN;
1396 	wid.val = kzalloc(wid.size, GFP_KERNEL);
1397 	if (!wid.val)
1398 		return -ENOMEM;
1399 
1400 	ether_addr_copy(wid.val, mac);
1401 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1402 	kfree(wid.val);
1403 	if (result) {
1404 		netdev_err(vif->ndev, "Failed to set inactive mac\n");
1405 		return result;
1406 	}
1407 
1408 	wid.id = WID_GET_INACTIVE_TIME;
1409 	wid.type = WID_INT;
1410 	wid.val = (s8 *)out_val;
1411 	wid.size = sizeof(u32);
1412 	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1413 	if (result)
1414 		netdev_err(vif->ndev, "Failed to get inactive time\n");
1415 
1416 	return result;
1417 }
1418 
wilc_get_rssi(struct wilc_vif * vif,s8 * rssi_level)1419 int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level)
1420 {
1421 	struct wid wid;
1422 	int result;
1423 
1424 	if (!rssi_level) {
1425 		netdev_err(vif->ndev, "%s: RSSI level is NULL\n", __func__);
1426 		return -EFAULT;
1427 	}
1428 
1429 	wid.id = WID_RSSI;
1430 	wid.type = WID_CHAR;
1431 	wid.size = sizeof(char);
1432 	wid.val = rssi_level;
1433 	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1434 	if (result)
1435 		netdev_err(vif->ndev, "Failed to get RSSI value\n");
1436 
1437 	return result;
1438 }
1439 
wilc_get_stats_async(struct wilc_vif * vif,struct rf_info * stats)1440 static int wilc_get_stats_async(struct wilc_vif *vif, struct rf_info *stats)
1441 {
1442 	int result;
1443 	struct host_if_msg *msg;
1444 
1445 	msg = wilc_alloc_work(vif, handle_get_statistics, false);
1446 	if (IS_ERR(msg))
1447 		return PTR_ERR(msg);
1448 
1449 	msg->body.data = (char *)stats;
1450 
1451 	result = wilc_enqueue_work(msg);
1452 	if (result) {
1453 		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1454 		kfree(msg);
1455 		return result;
1456 	}
1457 
1458 	return result;
1459 }
1460 
wilc_hif_set_cfg(struct wilc_vif * vif,struct cfg_param_attr * param)1461 int wilc_hif_set_cfg(struct wilc_vif *vif, struct cfg_param_attr *param)
1462 {
1463 	struct wid wid_list[4];
1464 	int i = 0;
1465 
1466 	if (param->flag & WILC_CFG_PARAM_RETRY_SHORT) {
1467 		wid_list[i].id = WID_SHORT_RETRY_LIMIT;
1468 		wid_list[i].val = (s8 *)&param->short_retry_limit;
1469 		wid_list[i].type = WID_SHORT;
1470 		wid_list[i].size = sizeof(u16);
1471 		i++;
1472 	}
1473 	if (param->flag & WILC_CFG_PARAM_RETRY_LONG) {
1474 		wid_list[i].id = WID_LONG_RETRY_LIMIT;
1475 		wid_list[i].val = (s8 *)&param->long_retry_limit;
1476 		wid_list[i].type = WID_SHORT;
1477 		wid_list[i].size = sizeof(u16);
1478 		i++;
1479 	}
1480 	if (param->flag & WILC_CFG_PARAM_FRAG_THRESHOLD) {
1481 		wid_list[i].id = WID_FRAG_THRESHOLD;
1482 		wid_list[i].val = (s8 *)&param->frag_threshold;
1483 		wid_list[i].type = WID_SHORT;
1484 		wid_list[i].size = sizeof(u16);
1485 		i++;
1486 	}
1487 	if (param->flag & WILC_CFG_PARAM_RTS_THRESHOLD) {
1488 		wid_list[i].id = WID_RTS_THRESHOLD;
1489 		wid_list[i].val = (s8 *)&param->rts_threshold;
1490 		wid_list[i].type = WID_SHORT;
1491 		wid_list[i].size = sizeof(u16);
1492 		i++;
1493 	}
1494 
1495 	return wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, i);
1496 }
1497 
get_periodic_rssi(struct timer_list * t)1498 static void get_periodic_rssi(struct timer_list *t)
1499 {
1500 	struct wilc_vif *vif = from_timer(vif, t, periodic_rssi);
1501 
1502 	if (!vif->hif_drv) {
1503 		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1504 		return;
1505 	}
1506 
1507 	if (vif->hif_drv->hif_state == HOST_IF_CONNECTED)
1508 		wilc_get_stats_async(vif, &vif->periodic_stat);
1509 
1510 	mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
1511 }
1512 
wilc_init(struct net_device * dev,struct host_if_drv ** hif_drv_handler)1513 int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler)
1514 {
1515 	struct host_if_drv *hif_drv;
1516 	struct wilc_vif *vif = netdev_priv(dev);
1517 
1518 	hif_drv  = kzalloc(sizeof(*hif_drv), GFP_KERNEL);
1519 	if (!hif_drv)
1520 		return -ENOMEM;
1521 
1522 	*hif_drv_handler = hif_drv;
1523 
1524 	vif->hif_drv = hif_drv;
1525 
1526 	timer_setup(&vif->periodic_rssi, get_periodic_rssi, 0);
1527 	mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
1528 
1529 	timer_setup(&hif_drv->scan_timer, timer_scan_cb, 0);
1530 	timer_setup(&hif_drv->connect_timer, timer_connect_cb, 0);
1531 	timer_setup(&hif_drv->remain_on_ch_timer, listen_timer_cb, 0);
1532 
1533 	hif_drv->hif_state = HOST_IF_IDLE;
1534 
1535 	hif_drv->p2p_timeout = 0;
1536 
1537 	return 0;
1538 }
1539 
wilc_deinit(struct wilc_vif * vif)1540 int wilc_deinit(struct wilc_vif *vif)
1541 {
1542 	int result = 0;
1543 	struct host_if_drv *hif_drv = vif->hif_drv;
1544 
1545 	if (!hif_drv) {
1546 		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1547 		return -EFAULT;
1548 	}
1549 
1550 	mutex_lock(&vif->wilc->deinit_lock);
1551 
1552 	timer_shutdown_sync(&hif_drv->scan_timer);
1553 	timer_shutdown_sync(&hif_drv->connect_timer);
1554 	del_timer_sync(&vif->periodic_rssi);
1555 	timer_shutdown_sync(&hif_drv->remain_on_ch_timer);
1556 
1557 	if (hif_drv->usr_scan_req.scan_result) {
1558 		hif_drv->usr_scan_req.scan_result(SCAN_EVENT_ABORTED, NULL,
1559 						  hif_drv->usr_scan_req.priv);
1560 		hif_drv->usr_scan_req.scan_result = NULL;
1561 	}
1562 
1563 	hif_drv->hif_state = HOST_IF_IDLE;
1564 
1565 	kfree(hif_drv);
1566 	vif->hif_drv = NULL;
1567 	mutex_unlock(&vif->wilc->deinit_lock);
1568 	return result;
1569 }
1570 
wilc_network_info_received(struct wilc * wilc,u8 * buffer,u32 length)1571 void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length)
1572 {
1573 	struct host_if_drv *hif_drv;
1574 	struct host_if_msg *msg;
1575 	struct wilc_vif *vif;
1576 	int srcu_idx;
1577 	int result;
1578 	int id;
1579 
1580 	id = get_unaligned_le32(&buffer[length - 4]);
1581 	srcu_idx = srcu_read_lock(&wilc->srcu);
1582 	vif = wilc_get_vif_from_idx(wilc, id);
1583 	if (!vif)
1584 		goto out;
1585 
1586 	hif_drv = vif->hif_drv;
1587 	if (!hif_drv) {
1588 		netdev_err(vif->ndev, "driver not init[%p]\n", hif_drv);
1589 		goto out;
1590 	}
1591 
1592 	msg = wilc_alloc_work(vif, handle_rcvd_ntwrk_info, false);
1593 	if (IS_ERR(msg))
1594 		goto out;
1595 
1596 	msg->body.net_info.frame_len = get_unaligned_le16(&buffer[6]) - 1;
1597 	msg->body.net_info.rssi = buffer[8];
1598 	msg->body.net_info.mgmt = kmemdup(&buffer[9],
1599 					  msg->body.net_info.frame_len,
1600 					  GFP_KERNEL);
1601 	if (!msg->body.net_info.mgmt) {
1602 		kfree(msg);
1603 		goto out;
1604 	}
1605 
1606 	result = wilc_enqueue_work(msg);
1607 	if (result) {
1608 		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1609 		kfree(msg->body.net_info.mgmt);
1610 		kfree(msg);
1611 	}
1612 out:
1613 	srcu_read_unlock(&wilc->srcu, srcu_idx);
1614 }
1615 
wilc_gnrl_async_info_received(struct wilc * wilc,u8 * buffer,u32 length)1616 void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length)
1617 {
1618 	struct host_if_drv *hif_drv;
1619 	struct host_if_msg *msg;
1620 	struct wilc_vif *vif;
1621 	int srcu_idx;
1622 	int result;
1623 	int id;
1624 
1625 	mutex_lock(&wilc->deinit_lock);
1626 
1627 	id = get_unaligned_le32(&buffer[length - 4]);
1628 	srcu_idx = srcu_read_lock(&wilc->srcu);
1629 	vif = wilc_get_vif_from_idx(wilc, id);
1630 	if (!vif)
1631 		goto out;
1632 
1633 	hif_drv = vif->hif_drv;
1634 
1635 	if (!hif_drv) {
1636 		goto out;
1637 	}
1638 
1639 	if (!hif_drv->conn_info.conn_result) {
1640 		netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
1641 		goto out;
1642 	}
1643 
1644 	msg = wilc_alloc_work(vif, handle_rcvd_gnrl_async_info, false);
1645 	if (IS_ERR(msg))
1646 		goto out;
1647 
1648 	msg->body.mac_info.status = buffer[7];
1649 	result = wilc_enqueue_work(msg);
1650 	if (result) {
1651 		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1652 		kfree(msg);
1653 	}
1654 out:
1655 	srcu_read_unlock(&wilc->srcu, srcu_idx);
1656 	mutex_unlock(&wilc->deinit_lock);
1657 }
1658 
wilc_scan_complete_received(struct wilc * wilc,u8 * buffer,u32 length)1659 void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length)
1660 {
1661 	struct host_if_drv *hif_drv;
1662 	struct wilc_vif *vif;
1663 	int srcu_idx;
1664 	int result;
1665 	int id;
1666 
1667 	id = get_unaligned_le32(&buffer[length - 4]);
1668 	srcu_idx = srcu_read_lock(&wilc->srcu);
1669 	vif = wilc_get_vif_from_idx(wilc, id);
1670 	if (!vif)
1671 		goto out;
1672 
1673 	hif_drv = vif->hif_drv;
1674 	if (!hif_drv) {
1675 		goto out;
1676 	}
1677 
1678 	if (hif_drv->usr_scan_req.scan_result) {
1679 		struct host_if_msg *msg;
1680 
1681 		msg = wilc_alloc_work(vif, handle_scan_complete, false);
1682 		if (IS_ERR(msg))
1683 			goto out;
1684 
1685 		result = wilc_enqueue_work(msg);
1686 		if (result) {
1687 			netdev_err(vif->ndev, "%s: enqueue work failed\n",
1688 				   __func__);
1689 			kfree(msg);
1690 		}
1691 	}
1692 out:
1693 	srcu_read_unlock(&wilc->srcu, srcu_idx);
1694 }
1695 
wilc_remain_on_channel(struct wilc_vif * vif,u64 cookie,u16 chan,void (* expired)(struct wilc_vif *,u64))1696 int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie, u16 chan,
1697 			   void (*expired)(struct wilc_vif *, u64))
1698 {
1699 	struct wilc_remain_ch roc;
1700 	int result;
1701 
1702 	roc.ch = chan;
1703 	roc.expired = expired;
1704 	roc.vif = vif;
1705 	roc.cookie = cookie;
1706 	result = handle_remain_on_chan(vif, &roc);
1707 	if (result)
1708 		netdev_err(vif->ndev, "%s: failed to set remain on channel\n",
1709 			   __func__);
1710 
1711 	return result;
1712 }
1713 
wilc_listen_state_expired(struct wilc_vif * vif,u64 cookie)1714 int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie)
1715 {
1716 	if (!vif->hif_drv) {
1717 		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1718 		return -EFAULT;
1719 	}
1720 
1721 	del_timer(&vif->hif_drv->remain_on_ch_timer);
1722 
1723 	return wilc_handle_roc_expired(vif, cookie);
1724 }
1725 
wilc_frame_register(struct wilc_vif * vif,u16 frame_type,bool reg)1726 void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg)
1727 {
1728 	struct wid wid;
1729 	int result;
1730 	struct wilc_reg_frame reg_frame;
1731 
1732 	wid.id = WID_REGISTER_FRAME;
1733 	wid.type = WID_STR;
1734 	wid.size = sizeof(reg_frame);
1735 	wid.val = (u8 *)&reg_frame;
1736 
1737 	memset(&reg_frame, 0x0, sizeof(reg_frame));
1738 
1739 	if (reg)
1740 		reg_frame.reg = 1;
1741 
1742 	switch (frame_type) {
1743 	case IEEE80211_STYPE_ACTION:
1744 		reg_frame.reg_id = WILC_FW_ACTION_FRM_IDX;
1745 		break;
1746 
1747 	case IEEE80211_STYPE_PROBE_REQ:
1748 		reg_frame.reg_id = WILC_FW_PROBE_REQ_IDX;
1749 		break;
1750 
1751         case IEEE80211_STYPE_AUTH:
1752                 reg_frame.reg_id = WILC_FW_AUTH_REQ_IDX;
1753                 break;
1754 
1755 	default:
1756 		break;
1757 	}
1758 	reg_frame.frame_type = cpu_to_le16(frame_type);
1759 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1760 	if (result)
1761 		netdev_err(vif->ndev, "Failed to frame register\n");
1762 }
1763 
wilc_add_beacon(struct wilc_vif * vif,u32 interval,u32 dtim_period,struct cfg80211_beacon_data * params)1764 int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period,
1765 		    struct cfg80211_beacon_data *params)
1766 {
1767 	struct wid wid;
1768 	int result;
1769 	u8 *cur_byte;
1770 
1771 	wid.id = WID_ADD_BEACON;
1772 	wid.type = WID_BIN;
1773 	wid.size = params->head_len + params->tail_len + 16;
1774 	wid.val = kzalloc(wid.size, GFP_KERNEL);
1775 	if (!wid.val)
1776 		return -ENOMEM;
1777 
1778 	cur_byte = wid.val;
1779 	put_unaligned_le32(interval, cur_byte);
1780 	cur_byte += 4;
1781 	put_unaligned_le32(dtim_period, cur_byte);
1782 	cur_byte += 4;
1783 	put_unaligned_le32(params->head_len, cur_byte);
1784 	cur_byte += 4;
1785 
1786 	if (params->head_len > 0)
1787 		memcpy(cur_byte, params->head, params->head_len);
1788 	cur_byte += params->head_len;
1789 
1790 	put_unaligned_le32(params->tail_len, cur_byte);
1791 	cur_byte += 4;
1792 
1793 	if (params->tail_len > 0)
1794 		memcpy(cur_byte, params->tail, params->tail_len);
1795 
1796 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1797 	if (result)
1798 		netdev_err(vif->ndev, "Failed to send add beacon\n");
1799 
1800 	kfree(wid.val);
1801 
1802 	return result;
1803 }
1804 
wilc_del_beacon(struct wilc_vif * vif)1805 int wilc_del_beacon(struct wilc_vif *vif)
1806 {
1807 	int result;
1808 	struct wid wid;
1809 	u8 del_beacon = 0;
1810 
1811 	wid.id = WID_DEL_BEACON;
1812 	wid.type = WID_CHAR;
1813 	wid.size = sizeof(char);
1814 	wid.val = &del_beacon;
1815 
1816 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1817 	if (result)
1818 		netdev_err(vif->ndev, "Failed to send delete beacon\n");
1819 
1820 	return result;
1821 }
1822 
wilc_add_station(struct wilc_vif * vif,const u8 * mac,struct station_parameters * params)1823 int wilc_add_station(struct wilc_vif *vif, const u8 *mac,
1824 		     struct station_parameters *params)
1825 {
1826 	struct wid wid;
1827 	int result;
1828 	u8 *cur_byte;
1829 
1830 	wid.id = WID_ADD_STA;
1831 	wid.type = WID_BIN;
1832 	wid.size = WILC_ADD_STA_LENGTH +
1833 		   params->link_sta_params.supported_rates_len;
1834 	wid.val = kmalloc(wid.size, GFP_KERNEL);
1835 	if (!wid.val)
1836 		return -ENOMEM;
1837 
1838 	cur_byte = wid.val;
1839 	wilc_hif_pack_sta_param(cur_byte, mac, params);
1840 
1841 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1842 	if (result != 0)
1843 		netdev_err(vif->ndev, "Failed to send add station\n");
1844 
1845 	kfree(wid.val);
1846 
1847 	return result;
1848 }
1849 
wilc_del_station(struct wilc_vif * vif,const u8 * mac_addr)1850 int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr)
1851 {
1852 	struct wid wid;
1853 	int result;
1854 
1855 	wid.id = WID_REMOVE_STA;
1856 	wid.type = WID_BIN;
1857 	wid.size = ETH_ALEN;
1858 	wid.val = kzalloc(wid.size, GFP_KERNEL);
1859 	if (!wid.val)
1860 		return -ENOMEM;
1861 
1862 	if (!mac_addr)
1863 		eth_broadcast_addr(wid.val);
1864 	else
1865 		ether_addr_copy(wid.val, mac_addr);
1866 
1867 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1868 	if (result)
1869 		netdev_err(vif->ndev, "Failed to del station\n");
1870 
1871 	kfree(wid.val);
1872 
1873 	return result;
1874 }
1875 
wilc_del_allstation(struct wilc_vif * vif,u8 mac_addr[][ETH_ALEN])1876 int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN])
1877 {
1878 	struct wid wid;
1879 	int result;
1880 	int i;
1881 	u8 assoc_sta = 0;
1882 	struct wilc_del_all_sta del_sta;
1883 
1884 	memset(&del_sta, 0x0, sizeof(del_sta));
1885 	for (i = 0; i < WILC_MAX_NUM_STA; i++) {
1886 		if (!is_zero_ether_addr(mac_addr[i])) {
1887 			assoc_sta++;
1888 			ether_addr_copy(del_sta.mac[i], mac_addr[i]);
1889 		}
1890 	}
1891 
1892 	if (!assoc_sta)
1893 		return 0;
1894 
1895 	del_sta.assoc_sta = assoc_sta;
1896 
1897 	wid.id = WID_DEL_ALL_STA;
1898 	wid.type = WID_STR;
1899 	wid.size = (assoc_sta * ETH_ALEN) + 1;
1900 	wid.val = (u8 *)&del_sta;
1901 
1902 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1903 	if (result)
1904 		netdev_err(vif->ndev, "Failed to send delete all station\n");
1905 
1906 	return result;
1907 }
1908 
wilc_edit_station(struct wilc_vif * vif,const u8 * mac,struct station_parameters * params)1909 int wilc_edit_station(struct wilc_vif *vif, const u8 *mac,
1910 		      struct station_parameters *params)
1911 {
1912 	struct wid wid;
1913 	int result;
1914 	u8 *cur_byte;
1915 
1916 	wid.id = WID_EDIT_STA;
1917 	wid.type = WID_BIN;
1918 	wid.size = WILC_ADD_STA_LENGTH +
1919 		   params->link_sta_params.supported_rates_len;
1920 	wid.val = kmalloc(wid.size, GFP_KERNEL);
1921 	if (!wid.val)
1922 		return -ENOMEM;
1923 
1924 	cur_byte = wid.val;
1925 	wilc_hif_pack_sta_param(cur_byte, mac, params);
1926 
1927 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1928 	if (result)
1929 		netdev_err(vif->ndev, "Failed to send edit station\n");
1930 
1931 	kfree(wid.val);
1932 	return result;
1933 }
1934 
wilc_set_power_mgmt(struct wilc_vif * vif,bool enabled,u32 timeout)1935 int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout)
1936 {
1937 	struct wilc *wilc = vif->wilc;
1938 	struct wid wid;
1939 	int result;
1940 	s8 power_mode;
1941 
1942 	if (enabled)
1943 		power_mode = WILC_FW_MIN_FAST_PS;
1944 	else
1945 		power_mode = WILC_FW_NO_POWERSAVE;
1946 
1947 	wid.id = WID_POWER_MANAGEMENT;
1948 	wid.val = &power_mode;
1949 	wid.size = sizeof(char);
1950 	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1951 	if (result)
1952 		netdev_err(vif->ndev, "Failed to send power management\n");
1953 	else
1954 		wilc->power_save_mode = enabled;
1955 
1956 	return result;
1957 }
1958 
wilc_setup_multicast_filter(struct wilc_vif * vif,u32 enabled,u32 count,u8 * mc_list)1959 int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count,
1960 				u8 *mc_list)
1961 {
1962 	int result;
1963 	struct host_if_msg *msg;
1964 
1965 	msg = wilc_alloc_work(vif, handle_set_mcast_filter, false);
1966 	if (IS_ERR(msg))
1967 		return PTR_ERR(msg);
1968 
1969 	msg->body.mc_info.enabled = enabled;
1970 	msg->body.mc_info.cnt = count;
1971 	msg->body.mc_info.mc_list = mc_list;
1972 
1973 	result = wilc_enqueue_work(msg);
1974 	if (result) {
1975 		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1976 		kfree(msg);
1977 	}
1978 	return result;
1979 }
1980 
wilc_set_tx_power(struct wilc_vif * vif,u8 tx_power)1981 int wilc_set_tx_power(struct wilc_vif *vif, u8 tx_power)
1982 {
1983 	struct wid wid;
1984 
1985 	wid.id = WID_TX_POWER;
1986 	wid.type = WID_CHAR;
1987 	wid.val = &tx_power;
1988 	wid.size = sizeof(char);
1989 
1990 	return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1991 }
1992 
wilc_get_tx_power(struct wilc_vif * vif,u8 * tx_power)1993 int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power)
1994 {
1995 	struct wid wid;
1996 
1997 	wid.id = WID_TX_POWER;
1998 	wid.type = WID_CHAR;
1999 	wid.val = tx_power;
2000 	wid.size = sizeof(char);
2001 
2002 	return wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
2003 }
2004 
wilc_set_default_mgmt_key_index(struct wilc_vif * vif,u8 index)2005 int wilc_set_default_mgmt_key_index(struct wilc_vif *vif, u8 index)
2006 {
2007         struct wid wid;
2008         int result;
2009 
2010         wid.id = WID_DEFAULT_MGMT_KEY_ID;
2011         wid.type = WID_CHAR;
2012         wid.size = sizeof(char);
2013         wid.val = &index;
2014         result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
2015         if (result)
2016                 netdev_err(vif->ndev,
2017                            "Failed to send default mgmt key index\n");
2018 
2019         return result;
2020 }
2021