xref: /linux/drivers/net/wireless/nxp/nxpwifi/sta_cfg.c (revision 91ec2035134982b98fab0609a9fd8480e8217dc1)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * nxpwifi: functions for station ioctl
4  *
5  * Copyright 2011-2024 NXP
6  */
7 
8 #include "cfg.h"
9 #include "util.h"
10 #include "fw.h"
11 #include "main.h"
12 #include "cmdevt.h"
13 #include "wmm.h"
14 #include "11n.h"
15 #include "cfg80211.h"
16 
17 static int disconnect_on_suspend;
18 
19 /* Copies the multicast address list from device to driver */
nxpwifi_copy_mcast_addr(struct nxpwifi_multicast_list * mlist,struct net_device * dev)20 int nxpwifi_copy_mcast_addr(struct nxpwifi_multicast_list *mlist,
21 			    struct net_device *dev)
22 {
23 	int i = 0;
24 	struct netdev_hw_addr *ha;
25 
26 	netdev_for_each_mc_addr(ha, dev)
27 		memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN);
28 
29 	return i;
30 }
31 
32 /* Wait queue completion handler */
nxpwifi_wait_queue_complete(struct nxpwifi_adapter * adapter,struct cmd_ctrl_node * cmd_queued)33 int nxpwifi_wait_queue_complete(struct nxpwifi_adapter *adapter,
34 				struct cmd_ctrl_node *cmd_queued)
35 {
36 	int status;
37 
38 	/* Wait for completion */
39 	status = wait_event_interruptible_timeout(adapter->cmd_wait_q.wait,
40 						  *cmd_queued->condition,
41 						  (12 * HZ));
42 	if (status <= 0) {
43 		if (status == 0)
44 			status = -ETIMEDOUT;
45 		nxpwifi_dbg(adapter, ERROR, "cmd_wait_q terminated: %d\n",
46 			    status);
47 		nxpwifi_cancel_all_pending_cmd(adapter);
48 
49 		/*
50 		 * The response path writes through cmd_node->data_buf. The
51 		 * caller can release a stack-allocated data_buf after an
52 		 * interrupted wait while a late response is still pending.
53 		 * Detach it from the current command before returning.
54 		 */
55 		spin_lock_bh(&adapter->nxpwifi_cmd_lock);
56 		if (adapter->curr_cmd == cmd_queued)
57 			adapter->curr_cmd->data_buf = NULL;
58 		spin_unlock_bh(&adapter->nxpwifi_cmd_lock);
59 
60 		return status;
61 	}
62 
63 	status = adapter->cmd_wait_q.status;
64 	adapter->cmd_wait_q.status = 0;
65 
66 	return status;
67 }
68 
69 /* Set multicast list by issuing the proper firmware command */
70 int
nxpwifi_request_set_multicast_list(struct nxpwifi_private * priv,struct nxpwifi_multicast_list * mcast_list)71 nxpwifi_request_set_multicast_list(struct nxpwifi_private *priv,
72 				   struct nxpwifi_multicast_list *mcast_list)
73 {
74 	int ret = 0;
75 	u16 old_pkt_filter;
76 
77 	old_pkt_filter = priv->curr_pkt_filter;
78 
79 	if (mcast_list->mode == NXPWIFI_PROMISC_MODE) {
80 		nxpwifi_dbg(priv->adapter, INFO,
81 			    "info: Enable Promiscuous mode\n");
82 		priv->curr_pkt_filter |= HOST_ACT_MAC_PROMISCUOUS_ENABLE;
83 		priv->curr_pkt_filter &=
84 			~HOST_ACT_MAC_ALL_MULTICAST_ENABLE;
85 	} else {
86 		/* Multicast */
87 		priv->curr_pkt_filter &= ~HOST_ACT_MAC_PROMISCUOUS_ENABLE;
88 		if (mcast_list->mode == NXPWIFI_ALL_MULTI_MODE) {
89 			nxpwifi_dbg(priv->adapter, INFO,
90 				    "info: Enabling All Multicast!\n");
91 			priv->curr_pkt_filter |=
92 				HOST_ACT_MAC_ALL_MULTICAST_ENABLE;
93 		} else {
94 			priv->curr_pkt_filter &=
95 				~HOST_ACT_MAC_ALL_MULTICAST_ENABLE;
96 			nxpwifi_dbg(priv->adapter, INFO,
97 				    "info: Set multicast list=%d\n",
98 				    mcast_list->num_multicast_addr);
99 			/* Send multicast addresses to firmware */
100 			ret = nxpwifi_send_cmd(priv,
101 					       HOST_CMD_MAC_MULTICAST_ADR,
102 					       HOST_ACT_GEN_SET, 0,
103 					       mcast_list, false);
104 		}
105 	}
106 	nxpwifi_dbg(priv->adapter, INFO,
107 		    "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
108 		    old_pkt_filter, priv->curr_pkt_filter);
109 	if (old_pkt_filter != priv->curr_pkt_filter) {
110 		ret = nxpwifi_send_cmd(priv, HOST_CMD_MAC_CONTROL,
111 				       HOST_ACT_GEN_SET,
112 				       0, &priv->curr_pkt_filter, false);
113 	}
114 
115 	return ret;
116 }
117 
118 /* Fill BSS descriptor from cfg80211_bss */
nxpwifi_fill_new_bss_desc(struct nxpwifi_private * priv,struct cfg80211_bss * bss,struct nxpwifi_bssdescriptor * bss_desc)119 int nxpwifi_fill_new_bss_desc(struct nxpwifi_private *priv,
120 			      struct cfg80211_bss *bss,
121 			      struct nxpwifi_bssdescriptor *bss_desc)
122 {
123 	u8 *beacon_ie;
124 	size_t beacon_ie_len;
125 	struct nxpwifi_bss_priv *bss_priv = (void *)bss->priv;
126 	const struct cfg80211_bss_ies *ies;
127 
128 	rcu_read_lock();
129 	ies = rcu_dereference(bss->ies);
130 	beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
131 	beacon_ie_len = ies->len;
132 	bss_desc->timestamp = ies->tsf;
133 	rcu_read_unlock();
134 
135 	if (!beacon_ie) {
136 		nxpwifi_dbg(priv->adapter, ERROR,
137 			    " failed to alloc beacon_ie\n");
138 		return -ENOMEM;
139 	}
140 
141 	memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
142 	bss_desc->rssi = bss->signal;
143 	/* The caller of this function will free beacon_ie */
144 	bss_desc->beacon_buf = beacon_ie;
145 	bss_desc->beacon_buf_size = beacon_ie_len;
146 	bss_desc->beacon_period = bss->beacon_interval;
147 	bss_desc->cap_info_bitmap = bss->capability;
148 	bss_desc->bss_band = bss_priv->band;
149 	bss_desc->fw_tsf = bss_priv->fw_tsf;
150 	if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
151 		nxpwifi_dbg(priv->adapter, INFO,
152 			    "info: InterpretIE: AP WEP enabled\n");
153 		bss_desc->privacy = NXPWIFI_802_11_PRIV_FILTER_8021X_WEP;
154 	} else {
155 		bss_desc->privacy = NXPWIFI_802_11_PRIV_FILTER_ACCEPT_ALL;
156 	}
157 	bss_desc->bss_mode = NL80211_IFTYPE_STATION;
158 
159 	/* Disable 11ac by default */
160 	bss_desc->disable_11ac = true;
161 	/* Disable 11ax by default */
162 	bss_desc->disable_11ax = true;
163 
164 	if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT)
165 		bss_desc->sensed_11h = true;
166 
167 	return nxpwifi_update_bss_desc_with_ie(priv->adapter, bss_desc);
168 }
169 
nxpwifi_process_country_ie(struct nxpwifi_private * priv,struct cfg80211_bss * bss)170 static int nxpwifi_process_country_ie(struct nxpwifi_private *priv,
171 				      struct cfg80211_bss *bss)
172 {
173 	const u8 *country_ie;
174 	u8 country_ie_len;
175 	struct nxpwifi_802_11d_domain_reg *domain_info =
176 					&priv->adapter->domain_reg;
177 	int ret;
178 
179 	rcu_read_lock();
180 	country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
181 	if (!country_ie) {
182 		rcu_read_unlock();
183 		return 0;
184 	}
185 
186 	country_ie_len = country_ie[1];
187 	if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) {
188 		rcu_read_unlock();
189 		return 0;
190 	}
191 
192 	if (!strncmp(priv->adapter->country_code, &country_ie[2], 2)) {
193 		rcu_read_unlock();
194 		nxpwifi_dbg(priv->adapter, INFO,
195 			    "11D: skip setting domain info in FW\n");
196 		return 0;
197 	}
198 
199 	if (country_ie_len >
200 	    (IEEE80211_COUNTRY_STRING_LEN + NXPWIFI_MAX_TRIPLET_802_11D)) {
201 		rcu_read_unlock();
202 		nxpwifi_dbg(priv->adapter, ERROR,
203 			    "11D: country_ie_len overflow!, deauth AP\n");
204 		return -EINVAL;
205 	}
206 
207 	memcpy(priv->adapter->country_code, &country_ie[2], 2);
208 
209 	domain_info->country_code[0] = country_ie[2];
210 	domain_info->country_code[1] = country_ie[3];
211 	domain_info->country_code[2] = ' ';
212 
213 	country_ie_len -= IEEE80211_COUNTRY_STRING_LEN;
214 
215 	domain_info->no_of_triplet =
216 		country_ie_len / sizeof(struct ieee80211_country_ie_triplet);
217 
218 	memcpy((u8 *)domain_info->triplet,
219 	       &country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len);
220 
221 	rcu_read_unlock();
222 
223 	ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11D_DOMAIN_INFO,
224 			       HOST_ACT_GEN_SET, 0, NULL, false);
225 	if (ret)
226 		nxpwifi_dbg(priv->adapter, ERROR,
227 			    "11D: setting domain info in FW fail\n");
228 
229 	return ret;
230 }
231 
232 /* In infra mode, an deauthentication is performed first */
nxpwifi_bss_start(struct nxpwifi_private * priv,struct cfg80211_bss * bss,struct cfg80211_ssid * req_ssid)233 int nxpwifi_bss_start(struct nxpwifi_private *priv, struct cfg80211_bss *bss,
234 		      struct cfg80211_ssid *req_ssid)
235 {
236 	int ret;
237 	struct nxpwifi_adapter *adapter = priv->adapter;
238 	struct nxpwifi_bssdescriptor *bss_desc = NULL;
239 	u16 config_bands;
240 
241 	priv->scan_block = false;
242 
243 	if (adapter->region_code == 0x00 &&
244 	    nxpwifi_process_country_ie(priv, bss))
245 		return -EINVAL;
246 
247 	/* Allocate and fill new bss descriptor */
248 	bss_desc = kzalloc_obj(*bss_desc, GFP_KERNEL);
249 	if (!bss_desc)
250 		return -ENOMEM;
251 
252 	ret = nxpwifi_fill_new_bss_desc(priv, bss, bss_desc);
253 	if (ret)
254 		goto done;
255 
256 	if (nxpwifi_band_to_radio_type(bss_desc->bss_band) ==
257 				       HOST_SCAN_RADIO_TYPE_BG) {
258 		config_bands = BAND_B | BAND_G | BAND_GN;
259 		if (adapter->fw_bands & BAND_GAC)
260 			config_bands |= BAND_GAC;
261 		if (adapter->fw_bands & BAND_GAX)
262 			config_bands |= BAND_GAX;
263 	} else {
264 		config_bands = BAND_A | BAND_AN;
265 		if (adapter->fw_bands & BAND_AAC)
266 			config_bands |= BAND_AAC;
267 		if (adapter->fw_bands & BAND_AAX)
268 			config_bands |= BAND_AAX;
269 	}
270 
271 	if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands))
272 		priv->config_bands = config_bands;
273 
274 	ret = nxpwifi_check_network_compatibility(priv, bss_desc);
275 	if (ret)
276 		goto done;
277 
278 	if (nxpwifi_11h_get_csa_closed_channel(priv) == (u8)bss_desc->channel) {
279 		nxpwifi_dbg(adapter, ERROR,
280 			    "Attempt to reconnect on csa closed chan(%d)\n",
281 			    bss_desc->channel);
282 		ret = -EINVAL;
283 		goto done;
284 	}
285 
286 	nxpwifi_stop_net_dev_queue(priv->netdev, adapter);
287 	netif_carrier_off(priv->netdev);
288 
289 	/* Clear any past association response stored for application retrieval */
290 	priv->assoc_rsp_size = 0;
291 	ret = nxpwifi_associate(priv, bss_desc);
292 
293 	/*
294 	 * If auth type is auto and association fails using open mode, try to connect
295 	 * using shared mode
296 	 */
297 	if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
298 	    priv->sec_info.is_authtype_auto &&
299 	    priv->sec_info.wep_enabled) {
300 		priv->sec_info.authentication_mode =
301 			NL80211_AUTHTYPE_SHARED_KEY;
302 		ret = nxpwifi_associate(priv, bss_desc);
303 	}
304 
305 done:
306 	/* beacon_ie buffer was allocated in function nxpwifi_fill_new_bss_desc() */
307 	if (bss_desc)
308 		kfree(bss_desc->beacon_buf);
309 	kfree(bss_desc);
310 
311 	if (ret < 0)
312 		priv->attempted_bss_desc = NULL;
313 
314 	return ret;
315 }
316 
317 /* IOCTL request handler to set host sleep configuration */
nxpwifi_set_hs_params(struct nxpwifi_private * priv,u16 action,int cmd_type,struct nxpwifi_ds_hs_cfg * hs_cfg)318 int nxpwifi_set_hs_params(struct nxpwifi_private *priv, u16 action,
319 			  int cmd_type, struct nxpwifi_ds_hs_cfg *hs_cfg)
320 
321 {
322 	struct nxpwifi_adapter *adapter = priv->adapter;
323 	int status = 0;
324 	u32 prev_cond = 0;
325 
326 	if (!hs_cfg)
327 		return -ENOMEM;
328 
329 	switch (action) {
330 	case HOST_ACT_GEN_SET:
331 		if (adapter->pps_uapsd_mode) {
332 			nxpwifi_dbg(adapter, INFO,
333 				    "info: Host Sleep IOCTL\t"
334 				    "is blocked in UAPSD/PPS mode\n");
335 			status = -EPERM;
336 			break;
337 		}
338 		if (hs_cfg->is_invoke_hostcmd) {
339 			if (hs_cfg->conditions == HS_CFG_CANCEL) {
340 				if (!test_bit(NXPWIFI_IS_HS_CONFIGURED,
341 					      &adapter->work_flags))
342 					/* Already cancelled */
343 					break;
344 				/* Save previous condition */
345 				prev_cond = le32_to_cpu(adapter->hs_cfg
346 							.conditions);
347 				adapter->hs_cfg.conditions =
348 						cpu_to_le32(hs_cfg->conditions);
349 			} else if (hs_cfg->conditions) {
350 				adapter->hs_cfg.conditions =
351 						cpu_to_le32(hs_cfg->conditions);
352 				adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
353 				if (hs_cfg->gap)
354 					adapter->hs_cfg.gap = (u8)hs_cfg->gap;
355 			} else if (adapter->hs_cfg.conditions ==
356 				   cpu_to_le32(HS_CFG_CANCEL)) {
357 				status = -EINVAL;
358 				break;
359 			}
360 
361 			status = nxpwifi_send_cmd(priv,
362 						  HOST_CMD_802_11_HS_CFG_ENH,
363 						  HOST_ACT_GEN_SET, 0,
364 						  &adapter->hs_cfg,
365 						  cmd_type == NXPWIFI_SYNC_CMD);
366 
367 			if (hs_cfg->conditions == HS_CFG_CANCEL)
368 				/* Restore previous condition */
369 				adapter->hs_cfg.conditions =
370 						cpu_to_le32(prev_cond);
371 		} else {
372 			adapter->hs_cfg.conditions =
373 						cpu_to_le32(hs_cfg->conditions);
374 			adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
375 			adapter->hs_cfg.gap = (u8)hs_cfg->gap;
376 		}
377 		break;
378 	case HOST_ACT_GEN_GET:
379 		hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
380 		hs_cfg->gpio = adapter->hs_cfg.gpio;
381 		hs_cfg->gap = adapter->hs_cfg.gap;
382 		break;
383 	default:
384 		status = -EINVAL;
385 		break;
386 	}
387 
388 	return status;
389 }
390 
391 /* Sends IOCTL request to cancel the existing Host Sleep configuration */
nxpwifi_cancel_hs(struct nxpwifi_private * priv,int cmd_type)392 int nxpwifi_cancel_hs(struct nxpwifi_private *priv, int cmd_type)
393 {
394 	struct nxpwifi_ds_hs_cfg hscfg;
395 
396 	hscfg.conditions = HS_CFG_CANCEL;
397 	hscfg.is_invoke_hostcmd = true;
398 
399 	return nxpwifi_set_hs_params(priv, HOST_ACT_GEN_SET,
400 				    cmd_type, &hscfg);
401 }
402 EXPORT_SYMBOL_GPL(nxpwifi_cancel_hs);
403 
404 /* Sends IOCTL request to cancel the existing Host Sleep configuration */
nxpwifi_enable_hs(struct nxpwifi_adapter * adapter)405 bool nxpwifi_enable_hs(struct nxpwifi_adapter *adapter)
406 {
407 	struct nxpwifi_ds_hs_cfg hscfg;
408 	struct nxpwifi_private *priv;
409 	int i;
410 
411 	if (disconnect_on_suspend) {
412 		for (i = 0; i < adapter->priv_num; i++) {
413 			priv = adapter->priv[i];
414 			nxpwifi_deauthenticate(priv, NULL);
415 		}
416 	}
417 
418 	priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA);
419 
420 	if (priv && priv->sched_scanning) {
421 #ifdef CONFIG_PM
422 		if (priv->wdev.wiphy->wowlan_config &&
423 		    !priv->wdev.wiphy->wowlan_config->nd_config) {
424 #endif
425 			nxpwifi_dbg(adapter, CMD, "aborting bgscan!\n");
426 			nxpwifi_stop_bg_scan(priv);
427 			cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0);
428 #ifdef CONFIG_PM
429 		}
430 #endif
431 	}
432 
433 	if (adapter->hs_activated) {
434 		nxpwifi_dbg(adapter, CMD,
435 			    "cmd: HS Already activated\n");
436 		return true;
437 	}
438 
439 	adapter->hs_activate_wait_q_woken = false;
440 
441 	memset(&hscfg, 0, sizeof(hscfg));
442 	hscfg.is_invoke_hostcmd = true;
443 
444 	set_bit(NXPWIFI_IS_HS_ENABLING, &adapter->work_flags);
445 	nxpwifi_cancel_all_pending_cmd(adapter);
446 
447 	if (nxpwifi_set_hs_params(nxpwifi_get_priv(adapter,
448 						   NXPWIFI_BSS_ROLE_STA),
449 				  HOST_ACT_GEN_SET, NXPWIFI_SYNC_CMD,
450 				  &hscfg)) {
451 		nxpwifi_dbg(adapter, ERROR,
452 			    "IOCTL request HS enable failed\n");
453 		return false;
454 	}
455 
456 	if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q,
457 					     adapter->hs_activate_wait_q_woken,
458 					     (10 * HZ)) <= 0) {
459 		nxpwifi_dbg(adapter, ERROR,
460 			    "hs_activate_wait_q terminated\n");
461 		return false;
462 	}
463 
464 	return true;
465 }
466 EXPORT_SYMBOL_GPL(nxpwifi_enable_hs);
467 
468 /* IOCTL request handler to get BSS information */
nxpwifi_get_bss_info(struct nxpwifi_private * priv,struct nxpwifi_bss_info * info)469 int nxpwifi_get_bss_info(struct nxpwifi_private *priv,
470 			 struct nxpwifi_bss_info *info)
471 {
472 	struct nxpwifi_adapter *adapter = priv->adapter;
473 	struct nxpwifi_bssdescriptor *bss_desc;
474 
475 	if (!info)
476 		return -EINVAL;
477 
478 	bss_desc = &priv->curr_bss_params.bss_descriptor;
479 
480 	info->bss_mode = priv->bss_mode;
481 
482 	memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
483 
484 	memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
485 
486 	info->bss_chan = bss_desc->channel;
487 
488 	memcpy(info->country_code, adapter->country_code,
489 	       IEEE80211_COUNTRY_STRING_LEN);
490 
491 	info->media_connected = priv->media_connected;
492 
493 	info->max_power_level = priv->max_tx_power_level;
494 	info->min_power_level = priv->min_tx_power_level;
495 
496 	info->bcn_nf_last = priv->bcn_nf_last;
497 
498 	if (priv->sec_info.wep_enabled)
499 		info->wep_status = true;
500 	else
501 		info->wep_status = false;
502 
503 	info->is_hs_configured = test_bit(NXPWIFI_IS_HS_CONFIGURED,
504 					  &adapter->work_flags);
505 	info->is_deep_sleep = adapter->is_deep_sleep;
506 
507 	return 0;
508 }
509 
510 /* The function disables auto deep sleep mode */
nxpwifi_disable_auto_ds(struct nxpwifi_private * priv)511 int nxpwifi_disable_auto_ds(struct nxpwifi_private *priv)
512 {
513 	struct nxpwifi_ds_auto_ds auto_ds = {
514 		.auto_ds = DEEP_SLEEP_OFF,
515 	};
516 
517 	return nxpwifi_send_cmd(priv, HOST_CMD_802_11_PS_MODE_ENH,
518 				DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, true);
519 }
520 EXPORT_SYMBOL_GPL(nxpwifi_disable_auto_ds);
521 
522 /* Sends IOCTL request to get the data rate */
nxpwifi_drv_get_data_rate(struct nxpwifi_private * priv,u32 * rate)523 int nxpwifi_drv_get_data_rate(struct nxpwifi_private *priv, u32 *rate)
524 {
525 	int ret;
526 
527 	ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_TX_RATE_QUERY,
528 			       HOST_ACT_GEN_GET, 0, NULL, true);
529 
530 	if (!ret) {
531 		if (priv->is_data_rate_auto)
532 			*rate = nxpwifi_index_to_data_rate(priv, priv->tx_rate,
533 							   priv->tx_htinfo);
534 		else
535 			*rate = priv->data_rate;
536 	}
537 
538 	return ret;
539 }
540 
541 /* IOCTL request handler to set tx power configuration */
nxpwifi_set_tx_power(struct nxpwifi_private * priv,struct nxpwifi_power_cfg * power_cfg)542 int nxpwifi_set_tx_power(struct nxpwifi_private *priv,
543 			 struct nxpwifi_power_cfg *power_cfg)
544 {
545 	int ret;
546 	struct host_cmd_ds_txpwr_cfg *txp_cfg;
547 	struct nxpwifi_types_power_group *pg_tlv;
548 	struct nxpwifi_power_group *pg;
549 	u8 *buf;
550 	u16 dbm = 0;
551 
552 	if (!power_cfg->is_power_auto) {
553 		dbm = (u16)power_cfg->power_level;
554 		if (dbm < priv->min_tx_power_level ||
555 		    dbm > priv->max_tx_power_level) {
556 			nxpwifi_dbg(priv->adapter, ERROR,
557 				    "txpower value %d dBm\t"
558 				    "is out of range (%d dBm-%d dBm)\n",
559 				    dbm, priv->min_tx_power_level,
560 				    priv->max_tx_power_level);
561 			return -EINVAL;
562 		}
563 	}
564 	buf = kzalloc(NXPWIFI_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
565 	if (!buf)
566 		return -ENOMEM;
567 
568 	txp_cfg = (struct host_cmd_ds_txpwr_cfg *)buf;
569 	txp_cfg->action = cpu_to_le16(HOST_ACT_GEN_SET);
570 	if (!power_cfg->is_power_auto) {
571 		u16 dbm_min = power_cfg->is_power_fixed ?
572 			      dbm : priv->min_tx_power_level;
573 
574 		txp_cfg->mode = cpu_to_le32(1);
575 		pg_tlv = (struct nxpwifi_types_power_group *)
576 			 (buf + sizeof(struct host_cmd_ds_txpwr_cfg));
577 		pg_tlv->type = cpu_to_le16(TLV_TYPE_POWER_GROUP);
578 		pg_tlv->length =
579 			cpu_to_le16(4 * sizeof(struct nxpwifi_power_group));
580 		pg = (struct nxpwifi_power_group *)
581 		     (buf + sizeof(struct host_cmd_ds_txpwr_cfg)
582 		      + sizeof(struct nxpwifi_types_power_group));
583 		/* Power group for modulation class HR/DSSS */
584 		pg->first_rate_code = 0x00;
585 		pg->last_rate_code = 0x03;
586 		pg->modulation_class = MOD_CLASS_HR_DSSS;
587 		pg->power_step = 0;
588 		pg->power_min = (s8)dbm_min;
589 		pg->power_max = (s8)dbm;
590 		pg++;
591 		/* Power group for modulation class OFDM */
592 		pg->first_rate_code = 0x00;
593 		pg->last_rate_code = 0x07;
594 		pg->modulation_class = MOD_CLASS_OFDM;
595 		pg->power_step = 0;
596 		pg->power_min = (s8)dbm_min;
597 		pg->power_max = (s8)dbm;
598 		pg++;
599 		/* Power group for modulation class HTBW20 */
600 		pg->first_rate_code = 0x00;
601 		pg->last_rate_code = 0x20;
602 		pg->modulation_class = MOD_CLASS_HT;
603 		pg->power_step = 0;
604 		pg->power_min = (s8)dbm_min;
605 		pg->power_max = (s8)dbm;
606 		pg->ht_bandwidth = HT_BW_20;
607 		pg++;
608 		/* Power group for modulation class HTBW40 */
609 		pg->first_rate_code = 0x00;
610 		pg->last_rate_code = 0x20;
611 		pg->modulation_class = MOD_CLASS_HT;
612 		pg->power_step = 0;
613 		pg->power_min = (s8)dbm_min;
614 		pg->power_max = (s8)dbm;
615 		pg->ht_bandwidth = HT_BW_40;
616 	}
617 	ret = nxpwifi_send_cmd(priv, HOST_CMD_TXPWR_CFG,
618 			       HOST_ACT_GEN_SET, 0, buf, true);
619 
620 	kfree(buf);
621 	return ret;
622 }
623 
624 /* IOCTL request handler to get power save mode */
nxpwifi_drv_set_power(struct nxpwifi_private * priv,u32 * ps_mode)625 int nxpwifi_drv_set_power(struct nxpwifi_private *priv, u32 *ps_mode)
626 {
627 	int ret;
628 	struct nxpwifi_adapter *adapter = priv->adapter;
629 	u16 sub_cmd;
630 
631 	if (*ps_mode)
632 		adapter->ps_mode = NXPWIFI_802_11_POWER_MODE_PSP;
633 	else
634 		adapter->ps_mode = NXPWIFI_802_11_POWER_MODE_CAM;
635 	sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
636 	ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_PS_MODE_ENH,
637 			       sub_cmd, BITMAP_STA_PS, NULL, true);
638 	if (!ret && sub_cmd == DIS_AUTO_PS)
639 		ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_PS_MODE_ENH,
640 				       GET_PS, 0, NULL, false);
641 
642 	return ret;
643 }
644 
645 /* IOCTL request handler to set/reset WPA element */
nxpwifi_set_wpa_ie(struct nxpwifi_private * priv,u8 * ie_data_ptr,u16 ie_len)646 static int nxpwifi_set_wpa_ie(struct nxpwifi_private *priv,
647 			      u8 *ie_data_ptr, u16 ie_len)
648 {
649 	if (ie_len) {
650 		if (ie_len > sizeof(priv->wpa_ie)) {
651 			nxpwifi_dbg(priv->adapter, ERROR,
652 				    "failed to copy WPA element, too big\n");
653 			return -EINVAL;
654 		}
655 		memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
656 		priv->wpa_ie_len = ie_len;
657 		nxpwifi_dbg(priv->adapter, CMD,
658 			    "cmd: Set WPA element len=%d element=%#x\n",
659 			    priv->wpa_ie_len, priv->wpa_ie[0]);
660 
661 		if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) {
662 			priv->sec_info.wpa_enabled = true;
663 		} else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
664 			priv->sec_info.wpa2_enabled = true;
665 		} else {
666 			priv->sec_info.wpa_enabled = false;
667 			priv->sec_info.wpa2_enabled = false;
668 		}
669 	} else {
670 		memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
671 		priv->wpa_ie_len = 0;
672 		nxpwifi_dbg(priv->adapter, INFO,
673 			    "info: reset WPA element len=%d element=%#x\n",
674 			    priv->wpa_ie_len, priv->wpa_ie[0]);
675 		priv->sec_info.wpa_enabled = false;
676 		priv->sec_info.wpa2_enabled = false;
677 	}
678 
679 	return 0;
680 }
681 
682 /* IOCTL request handler to set/reset WPS element */
nxpwifi_set_wps_ie(struct nxpwifi_private * priv,u8 * ie_data_ptr,u16 ie_len)683 static int nxpwifi_set_wps_ie(struct nxpwifi_private *priv,
684 			      u8 *ie_data_ptr, u16 ie_len)
685 {
686 	if (ie_len) {
687 		if (ie_len > NXPWIFI_MAX_VSIE_LEN) {
688 			nxpwifi_dbg(priv->adapter, ERROR,
689 				    "info: failed to copy WPS element, too big\n");
690 			return -EINVAL;
691 		}
692 
693 		priv->wps_ie = kzalloc(NXPWIFI_MAX_VSIE_LEN, GFP_KERNEL);
694 		if (!priv->wps_ie)
695 			return -ENOMEM;
696 
697 		memcpy(priv->wps_ie, ie_data_ptr, ie_len);
698 		priv->wps_ie_len = ie_len;
699 		nxpwifi_dbg(priv->adapter, CMD,
700 			    "cmd: Set WPS element len=%d element=%#x\n",
701 			    priv->wps_ie_len, priv->wps_ie[0]);
702 	} else {
703 		kfree(priv->wps_ie);
704 		priv->wps_ie_len = ie_len;
705 		nxpwifi_dbg(priv->adapter, INFO,
706 			    "info: Reset WPS element len=%d\n", priv->wps_ie_len);
707 	}
708 	return 0;
709 }
710 
711 /* IOCTL request handler to set WEP network key */
712 static int
nxpwifi_sec_ioctl_set_wep_key(struct nxpwifi_private * priv,struct nxpwifi_ds_encrypt_key * encrypt_key)713 nxpwifi_sec_ioctl_set_wep_key(struct nxpwifi_private *priv,
714 			      struct nxpwifi_ds_encrypt_key *encrypt_key)
715 {
716 	struct nxpwifi_adapter *adapter = priv->adapter;
717 	int ret;
718 	struct nxpwifi_wep_key *wep_key;
719 	int index;
720 
721 	if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
722 		priv->wep_key_curr_index = 0;
723 	wep_key = &priv->wep_key[priv->wep_key_curr_index];
724 	index = encrypt_key->key_index;
725 	if (encrypt_key->key_disable) {
726 		priv->sec_info.wep_enabled = 0;
727 	} else if (!encrypt_key->key_len) {
728 		/* Copy the required key as the current key */
729 		wep_key = &priv->wep_key[index];
730 		if (!wep_key->key_length) {
731 			nxpwifi_dbg(adapter, ERROR,
732 				    "key not set, so cannot enable it\n");
733 			return -EINVAL;
734 		}
735 
736 		memcpy(encrypt_key->key_material,
737 		       wep_key->key_material, wep_key->key_length);
738 		encrypt_key->key_len = wep_key->key_length;
739 
740 		priv->wep_key_curr_index = (u16)index;
741 		priv->sec_info.wep_enabled = 1;
742 	} else {
743 		wep_key = &priv->wep_key[index];
744 		memset(wep_key, 0, sizeof(struct nxpwifi_wep_key));
745 		/* Copy the key in the driver */
746 		memcpy(wep_key->key_material,
747 		       encrypt_key->key_material,
748 		       encrypt_key->key_len);
749 		wep_key->key_index = index;
750 		wep_key->key_length = encrypt_key->key_len;
751 		priv->sec_info.wep_enabled = 1;
752 	}
753 	if (wep_key->key_length) {
754 		void *enc_key;
755 
756 		if (encrypt_key->key_disable) {
757 			memset(&priv->wep_key[index], 0,
758 			       sizeof(struct nxpwifi_wep_key));
759 			goto done;
760 		}
761 
762 		enc_key = encrypt_key;
763 
764 		/* Send request to firmware */
765 		ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_KEY_MATERIAL,
766 				       HOST_ACT_GEN_SET, 0, enc_key, false);
767 		if (ret)
768 			return ret;
769 	}
770 
771 done:
772 	if (priv->sec_info.wep_enabled)
773 		priv->curr_pkt_filter |= HOST_ACT_MAC_WEP_ENABLE;
774 	else
775 		priv->curr_pkt_filter &= ~HOST_ACT_MAC_WEP_ENABLE;
776 
777 	ret = nxpwifi_send_cmd(priv, HOST_CMD_MAC_CONTROL,
778 			       HOST_ACT_GEN_SET, 0,
779 			       &priv->curr_pkt_filter, true);
780 
781 	return ret;
782 }
783 
784 /* IOCTL request handler to set WPA key */
785 static int
nxpwifi_sec_ioctl_set_wpa_key(struct nxpwifi_private * priv,struct nxpwifi_ds_encrypt_key * encrypt_key)786 nxpwifi_sec_ioctl_set_wpa_key(struct nxpwifi_private *priv,
787 			      struct nxpwifi_ds_encrypt_key *encrypt_key)
788 {
789 	int ret;
790 	u8 remove_key = false;
791 
792 	/* Current driver only supports key length of up to 32 bytes */
793 	if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
794 		nxpwifi_dbg(priv->adapter, ERROR,
795 			    "key length too long\n");
796 		return -EINVAL;
797 	}
798 
799 	if (!encrypt_key->key_index)
800 		encrypt_key->key_index = NXPWIFI_KEY_INDEX_UNICAST;
801 
802 	if (remove_key)
803 		ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_KEY_MATERIAL,
804 				       HOST_ACT_GEN_SET,
805 				       !KEY_INFO_ENABLED, encrypt_key, true);
806 	else
807 		ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_KEY_MATERIAL,
808 				       HOST_ACT_GEN_SET,
809 				       KEY_INFO_ENABLED, encrypt_key, true);
810 
811 	return ret;
812 }
813 
814 /* IOCTL request handler to set/get network keys */
815 static int
nxpwifi_sec_ioctl_encrypt_key(struct nxpwifi_private * priv,struct nxpwifi_ds_encrypt_key * encrypt_key)816 nxpwifi_sec_ioctl_encrypt_key(struct nxpwifi_private *priv,
817 			      struct nxpwifi_ds_encrypt_key *encrypt_key)
818 {
819 	int status;
820 
821 	if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
822 		status = nxpwifi_sec_ioctl_set_wpa_key(priv, encrypt_key);
823 	else
824 		status = nxpwifi_sec_ioctl_set_wep_key(priv, encrypt_key);
825 
826 	return status;
827 }
828 
829 /* Return driver version string */
830 int
nxpwifi_drv_get_driver_version(struct nxpwifi_adapter * adapter,char * version,int max_len)831 nxpwifi_drv_get_driver_version(struct nxpwifi_adapter *adapter, char *version,
832 			       int max_len)
833 {
834 	union {
835 		__le32 l;
836 		u8 c[4];
837 	} ver;
838 	char fw_ver[32];
839 
840 	ver.l = cpu_to_le32(adapter->fw_release_number);
841 	sprintf(fw_ver, "%u.%u.%u.p%u.%u", ver.c[2], ver.c[1],
842 		ver.c[0], ver.c[3], adapter->fw_hotfix_ver);
843 
844 	snprintf(version, max_len, nxpwifi_driver_version, fw_ver);
845 
846 	nxpwifi_dbg(adapter, MSG, "info: NXPWIFI VERSION: %s\n", version);
847 
848 	return 0;
849 }
850 
851 /* Sends IOCTL request to set encoding parameters */
nxpwifi_set_encode(struct nxpwifi_private * priv,struct key_params * kp,const u8 * key,int key_len,u8 key_index,const u8 * mac_addr,int disable)852 int nxpwifi_set_encode(struct nxpwifi_private *priv, struct key_params *kp,
853 		       const u8 *key, int key_len, u8 key_index,
854 		       const u8 *mac_addr, int disable)
855 {
856 	struct nxpwifi_ds_encrypt_key encrypt_key;
857 
858 	memset(&encrypt_key, 0, sizeof(encrypt_key));
859 	encrypt_key.key_len = key_len;
860 	encrypt_key.key_index = key_index;
861 
862 	if (kp) {
863 		encrypt_key.key_cipher = kp->cipher;
864 		if (kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
865 		    kp->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)
866 			encrypt_key.is_igtk_key = true;
867 	}
868 
869 	if (!disable) {
870 		if (key_len)
871 			memcpy(encrypt_key.key_material, key, key_len);
872 		else
873 			encrypt_key.is_current_wep_key = true;
874 
875 		if (mac_addr)
876 			memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
877 		if (kp && kp->seq && kp->seq_len) {
878 			memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
879 			encrypt_key.pn_len = kp->seq_len;
880 			encrypt_key.is_rx_seq_valid = true;
881 		}
882 	} else {
883 		encrypt_key.key_disable = true;
884 		if (mac_addr)
885 			memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
886 	}
887 
888 	return nxpwifi_sec_ioctl_encrypt_key(priv, &encrypt_key);
889 }
890 
891 /* Sends IOCTL request to get extended version */
892 int
nxpwifi_get_ver_ext(struct nxpwifi_private * priv,u32 version_str_sel)893 nxpwifi_get_ver_ext(struct nxpwifi_private *priv, u32 version_str_sel)
894 {
895 	struct nxpwifi_ver_ext ver_ext;
896 
897 	memset(&ver_ext, 0, sizeof(ver_ext));
898 	ver_ext.version_str_sel = version_str_sel;
899 
900 	return nxpwifi_send_cmd(priv, HOST_CMD_VERSION_EXT,
901 				HOST_ACT_GEN_GET, 0, &ver_ext, true);
902 }
903 
904 int
nxpwifi_remain_on_chan_cfg(struct nxpwifi_private * priv,u16 action,struct ieee80211_channel * chan,unsigned int duration)905 nxpwifi_remain_on_chan_cfg(struct nxpwifi_private *priv, u16 action,
906 			   struct ieee80211_channel *chan,
907 			   unsigned int duration)
908 {
909 	struct host_cmd_ds_remain_on_chan roc_cfg;
910 	u8 sc;
911 	int ret;
912 
913 	memset(&roc_cfg, 0, sizeof(roc_cfg));
914 	roc_cfg.action = cpu_to_le16(action);
915 	if (action == HOST_ACT_GEN_SET) {
916 		roc_cfg.band_cfg = chan->band;
917 		sc = nxpwifi_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT);
918 		roc_cfg.band_cfg |= (sc << 2);
919 
920 		roc_cfg.channel =
921 			ieee80211_frequency_to_channel(chan->center_freq);
922 		roc_cfg.duration = cpu_to_le32(duration);
923 	}
924 	ret = nxpwifi_send_cmd(priv, HOST_CMD_REMAIN_ON_CHAN,
925 			       action, 0, &roc_cfg, true);
926 	if (ret) {
927 		nxpwifi_dbg(priv->adapter, ERROR,
928 			    "failed to remain on channel\n");
929 		return ret;
930 	}
931 
932 	return roc_cfg.status;
933 }
934 
935 /* Sends IOCTL request to get statistics information */
936 int
nxpwifi_get_stats_info(struct nxpwifi_private * priv,struct nxpwifi_ds_get_stats * log)937 nxpwifi_get_stats_info(struct nxpwifi_private *priv,
938 		       struct nxpwifi_ds_get_stats *log)
939 {
940 	return nxpwifi_send_cmd(priv, HOST_CMD_802_11_GET_LOG,
941 				HOST_ACT_GEN_GET, 0, log, true);
942 }
943 
944 /* IOCTL request handler to read/write register */
nxpwifi_reg_mem_ioctl_reg_rw(struct nxpwifi_private * priv,struct nxpwifi_ds_reg_rw * reg_rw,u16 action)945 static int nxpwifi_reg_mem_ioctl_reg_rw(struct nxpwifi_private *priv,
946 					struct nxpwifi_ds_reg_rw *reg_rw,
947 					u16 action)
948 {
949 	u16 cmd_no;
950 
951 	switch (reg_rw->type) {
952 	case NXPWIFI_REG_MAC:
953 		cmd_no = HOST_CMD_MAC_REG_ACCESS;
954 		break;
955 	case NXPWIFI_REG_BBP:
956 		cmd_no = HOST_CMD_BBP_REG_ACCESS;
957 		break;
958 	case NXPWIFI_REG_RF:
959 		cmd_no = HOST_CMD_RF_REG_ACCESS;
960 		break;
961 	case NXPWIFI_REG_PMIC:
962 		cmd_no = HOST_CMD_PMIC_REG_ACCESS;
963 		break;
964 	case NXPWIFI_REG_CAU:
965 		cmd_no = HOST_CMD_CAU_REG_ACCESS;
966 		break;
967 	default:
968 		return -EINVAL;
969 	}
970 
971 	return nxpwifi_send_cmd(priv, cmd_no, action, 0, reg_rw, true);
972 }
973 
974 /* Sends IOCTL request to write to a register */
975 int
nxpwifi_reg_write(struct nxpwifi_private * priv,u32 reg_type,u32 reg_offset,u32 reg_value)976 nxpwifi_reg_write(struct nxpwifi_private *priv, u32 reg_type,
977 		  u32 reg_offset, u32 reg_value)
978 {
979 	struct nxpwifi_ds_reg_rw reg_rw;
980 
981 	reg_rw.type = reg_type;
982 	reg_rw.offset = reg_offset;
983 	reg_rw.value = reg_value;
984 
985 	return nxpwifi_reg_mem_ioctl_reg_rw(priv, &reg_rw, HOST_ACT_GEN_SET);
986 }
987 
988 /* Sends IOCTL request to read from a register */
989 int
nxpwifi_reg_read(struct nxpwifi_private * priv,u32 reg_type,u32 reg_offset,u32 * value)990 nxpwifi_reg_read(struct nxpwifi_private *priv, u32 reg_type,
991 		 u32 reg_offset, u32 *value)
992 {
993 	int ret;
994 	struct nxpwifi_ds_reg_rw reg_rw;
995 
996 	reg_rw.type = reg_type;
997 	reg_rw.offset = reg_offset;
998 	ret = nxpwifi_reg_mem_ioctl_reg_rw(priv, &reg_rw, HOST_ACT_GEN_GET);
999 
1000 	if (!ret)
1001 		*value = reg_rw.value;
1002 
1003 	return ret;
1004 }
1005 
1006 /* Sends IOCTL request to read from EEPROM */
1007 int
nxpwifi_eeprom_read(struct nxpwifi_private * priv,u16 offset,u16 bytes,u8 * value)1008 nxpwifi_eeprom_read(struct nxpwifi_private *priv, u16 offset, u16 bytes,
1009 		    u8 *value)
1010 {
1011 	int ret;
1012 	struct nxpwifi_ds_read_eeprom rd_eeprom;
1013 
1014 	rd_eeprom.offset =  offset;
1015 	rd_eeprom.byte_count = bytes;
1016 
1017 	/* Send request to firmware */
1018 	ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_EEPROM_ACCESS,
1019 			       HOST_ACT_GEN_GET, 0, &rd_eeprom, true);
1020 
1021 	if (!ret)
1022 		memcpy(value, rd_eeprom.value,
1023 		       min((u16)MAX_EEPROM_DATA, rd_eeprom.byte_count));
1024 	return ret;
1025 }
1026 
1027 /* Set generic IE(s); handle WPA/WPS specially */
1028 static int
nxpwifi_set_gen_ie_helper(struct nxpwifi_private * priv,u8 * ie_data_ptr,u16 ie_len)1029 nxpwifi_set_gen_ie_helper(struct nxpwifi_private *priv, u8 *ie_data_ptr,
1030 			  u16 ie_len)
1031 {
1032 	struct ieee80211_vendor_ie *pvendor_ie;
1033 	static const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1034 	static const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1035 	u16 unparsed_len = ie_len, cur_ie_len;
1036 
1037 	/* If the passed length is zero, reset the buffer */
1038 	if (!ie_len) {
1039 		priv->gen_ie_buf_len = 0;
1040 		priv->wps.session_enable = false;
1041 		return 0;
1042 	} else if (!ie_data_ptr ||
1043 		   ie_len <= sizeof(struct element)) {
1044 		return -EINVAL;
1045 	}
1046 	pvendor_ie = (struct ieee80211_vendor_ie *)ie_data_ptr;
1047 
1048 	while (pvendor_ie) {
1049 		cur_ie_len = pvendor_ie->len + sizeof(struct element);
1050 
1051 		if (pvendor_ie->element_id == WLAN_EID_RSN) {
1052 			/* element is a WPA/WPA2 element so call set_wpa function */
1053 			nxpwifi_set_wpa_ie(priv, (u8 *)pvendor_ie, cur_ie_len);
1054 			priv->wps.session_enable = false;
1055 			goto next_ie;
1056 		}
1057 
1058 		if (pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) {
1059 			/* Test to see if it is a WPA element, if not, then it is a gen element */
1060 			if (!memcmp(&pvendor_ie->oui, wpa_oui,
1061 				    sizeof(wpa_oui))) {
1062 				/* element is a WPA/WPA2 element so call set_wpa function */
1063 				nxpwifi_set_wpa_ie(priv, (u8 *)pvendor_ie,
1064 						   cur_ie_len);
1065 				priv->wps.session_enable = false;
1066 				goto next_ie;
1067 			}
1068 
1069 			if (!memcmp(&pvendor_ie->oui, wps_oui,
1070 				    sizeof(wps_oui))) {
1071 				/*
1072 				 * Test to see if it is a WPS element, if so, enable wps session
1073 				 * flag
1074 				 */
1075 				priv->wps.session_enable = true;
1076 				nxpwifi_dbg(priv->adapter, MSG,
1077 					    "WPS Session Enabled.\n");
1078 				nxpwifi_set_wps_ie(priv, (u8 *)pvendor_ie,
1079 						   cur_ie_len);
1080 				goto next_ie;
1081 			}
1082 		}
1083 
1084 		/*
1085 		 * Verify that the passed length is not larger than the available space
1086 		 * remaining in the buffer
1087 		 */
1088 		if (cur_ie_len <
1089 		    (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1090 			/* Append the passed data to the end of the genIeBuffer */
1091 			memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len,
1092 			       (u8 *)pvendor_ie, cur_ie_len);
1093 			/* Increment the stored buffer length by the size passed */
1094 			priv->gen_ie_buf_len += cur_ie_len;
1095 		}
1096 
1097 next_ie:
1098 		unparsed_len -= cur_ie_len;
1099 
1100 		if (unparsed_len <= sizeof(struct element))
1101 			pvendor_ie = NULL;
1102 		else
1103 			pvendor_ie = (struct ieee80211_vendor_ie *)
1104 				(((u8 *)pvendor_ie) + cur_ie_len);
1105 	}
1106 
1107 	return 0;
1108 }
1109 
1110 /* IOCTL request handler to set/get generic element */
nxpwifi_misc_ioctl_gen_ie(struct nxpwifi_private * priv,struct nxpwifi_ds_misc_gen_ie * gen_ie,u16 action)1111 static int nxpwifi_misc_ioctl_gen_ie(struct nxpwifi_private *priv,
1112 				     struct nxpwifi_ds_misc_gen_ie *gen_ie,
1113 				     u16 action)
1114 {
1115 	struct nxpwifi_adapter *adapter = priv->adapter;
1116 
1117 	switch (gen_ie->type) {
1118 	case NXPWIFI_IE_TYPE_GEN_IE:
1119 		if (action == HOST_ACT_GEN_GET) {
1120 			gen_ie->len = priv->wpa_ie_len;
1121 			memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1122 		} else {
1123 			nxpwifi_set_gen_ie_helper(priv, gen_ie->ie_data,
1124 						  (u16)gen_ie->len);
1125 		}
1126 		break;
1127 	case NXPWIFI_IE_TYPE_ARP_FILTER:
1128 		memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1129 		if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1130 			adapter->arp_filter_size = 0;
1131 			nxpwifi_dbg(adapter, ERROR,
1132 				    "invalid ARP filter size\n");
1133 			return -EINVAL;
1134 		}
1135 		memcpy(adapter->arp_filter, gen_ie->ie_data, gen_ie->len);
1136 		adapter->arp_filter_size = gen_ie->len;
1137 		break;
1138 	default:
1139 		nxpwifi_dbg(adapter, ERROR, "invalid element type\n");
1140 		return -EINVAL;
1141 	}
1142 	return 0;
1143 }
1144 
1145 /* Sends IOCTL request to set a generic element */
1146 int
nxpwifi_set_gen_ie(struct nxpwifi_private * priv,const u8 * ie,int ie_len)1147 nxpwifi_set_gen_ie(struct nxpwifi_private *priv, const u8 *ie, int ie_len)
1148 {
1149 	struct nxpwifi_ds_misc_gen_ie gen_ie;
1150 
1151 	if (ie_len > IEEE_MAX_IE_SIZE)
1152 		return -EFAULT;
1153 
1154 	gen_ie.type = NXPWIFI_IE_TYPE_GEN_IE;
1155 	gen_ie.len = ie_len;
1156 	memcpy(gen_ie.ie_data, ie, ie_len);
1157 
1158 	return nxpwifi_misc_ioctl_gen_ie(priv, &gen_ie, HOST_ACT_GEN_SET);
1159 }
1160 
1161 /* Get Host Sleep wakeup reason */
nxpwifi_get_wakeup_reason(struct nxpwifi_private * priv,u16 action,int cmd_type,struct nxpwifi_ds_wakeup_reason * wakeup_reason)1162 int nxpwifi_get_wakeup_reason(struct nxpwifi_private *priv, u16 action,
1163 			      int cmd_type,
1164 			      struct nxpwifi_ds_wakeup_reason *wakeup_reason)
1165 {
1166 	return nxpwifi_send_cmd(priv, HOST_CMD_HS_WAKEUP_REASON,
1167 				HOST_ACT_GEN_GET, 0, wakeup_reason,
1168 				cmd_type == NXPWIFI_SYNC_CMD);
1169 }
1170 
nxpwifi_get_chan_info(struct nxpwifi_private * priv,struct nxpwifi_channel_band * channel_band)1171 int nxpwifi_get_chan_info(struct nxpwifi_private *priv,
1172 			  struct nxpwifi_channel_band *channel_band)
1173 {
1174 	return nxpwifi_send_cmd(priv, HOST_CMD_STA_CONFIGURE,
1175 				HOST_ACT_GEN_GET, 0, channel_band,
1176 				NXPWIFI_SYNC_CMD);
1177 }
1178