1 /******************************************************************************
2  *
3  * Copyright(c) 2009-2012  Realtek Corporation.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of version 2 of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  *
14  * The full GNU General Public License is included in this distribution in the
15  * file called LICENSE.
16  *
17  * Contact Information:
18  * wlanfae <wlanfae@realtek.com>
19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20  * Hsinchu 300, Taiwan.
21  *
22  * Larry Finger <Larry.Finger@lwfinger.net>
23  *
24  *****************************************************************************/
25 
26 #include "wifi.h"
27 #include "core.h"
28 #include "cam.h"
29 #include "base.h"
30 #include "ps.h"
31 #include "pwrseqcmd.h"
32 
33 #include "btcoexist/rtl_btc.h"
34 #include <linux/firmware.h>
35 #include <linux/export.h>
36 #include <net/cfg80211.h>
37 
38 u8 channel5g[CHANNEL_MAX_NUMBER_5G] = {
39 	36, 38, 40, 42, 44, 46, 48,		/* Band 1 */
40 	52, 54, 56, 58, 60, 62, 64,		/* Band 2 */
41 	100, 102, 104, 106, 108, 110, 112,	/* Band 3 */
42 	116, 118, 120, 122, 124, 126, 128,	/* Band 3 */
43 	132, 134, 136, 138, 140, 142, 144,	/* Band 3 */
44 	149, 151, 153, 155, 157, 159, 161,	/* Band 4 */
45 	165, 167, 169, 171, 173, 175, 177	/* Band 4 */
46 };
47 EXPORT_SYMBOL(channel5g);
48 
49 u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = {
50 	42, 58, 106, 122, 138, 155, 171
51 };
52 EXPORT_SYMBOL(channel5g_80m);
53 
54 void rtl_addr_delay(u32 addr)
55 {
56 	if (addr == 0xfe)
57 		mdelay(50);
58 	else if (addr == 0xfd)
59 		msleep(5);
60 	else if (addr == 0xfc)
61 		msleep(1);
62 	else if (addr == 0xfb)
63 		usleep_range(50, 100);
64 	else if (addr == 0xfa)
65 		usleep_range(5, 10);
66 	else if (addr == 0xf9)
67 		usleep_range(1, 2);
68 }
69 EXPORT_SYMBOL(rtl_addr_delay);
70 
71 void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr,
72 		     u32 mask, u32 data)
73 {
74 	if (addr >= 0xf9 && addr <= 0xfe) {
75 		rtl_addr_delay(addr);
76 	} else {
77 		rtl_set_rfreg(hw, rfpath, addr, mask, data);
78 		udelay(1);
79 	}
80 }
81 EXPORT_SYMBOL(rtl_rfreg_delay);
82 
83 void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data)
84 {
85 	if (addr >= 0xf9 && addr <= 0xfe) {
86 		rtl_addr_delay(addr);
87 	} else {
88 		rtl_set_bbreg(hw, addr, MASKDWORD, data);
89 		udelay(1);
90 	}
91 }
92 EXPORT_SYMBOL(rtl_bb_delay);
93 
94 static void rtl_fw_do_work(const struct firmware *firmware, void *context,
95 			   bool is_wow)
96 {
97 	struct ieee80211_hw *hw = context;
98 	struct rtl_priv *rtlpriv = rtl_priv(hw);
99 	int err;
100 
101 	RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
102 		 "Firmware callback routine entered!\n");
103 	complete(&rtlpriv->firmware_loading_complete);
104 	if (!firmware) {
105 		if (rtlpriv->cfg->alt_fw_name) {
106 			err = request_firmware(&firmware,
107 					       rtlpriv->cfg->alt_fw_name,
108 					       rtlpriv->io.dev);
109 			pr_info("Loading alternative firmware %s\n",
110 				rtlpriv->cfg->alt_fw_name);
111 			if (!err)
112 				goto found_alt;
113 		}
114 		pr_err("Selected firmware is not available\n");
115 		rtlpriv->max_fw_size = 0;
116 		return;
117 	}
118 found_alt:
119 	if (firmware->size > rtlpriv->max_fw_size) {
120 		pr_err("Firmware is too big!\n");
121 		release_firmware(firmware);
122 		return;
123 	}
124 	if (!is_wow) {
125 		memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
126 		       firmware->size);
127 		rtlpriv->rtlhal.fwsize = firmware->size;
128 	} else {
129 		memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
130 		       firmware->size);
131 		rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
132 	}
133 	rtlpriv->rtlhal.fwsize = firmware->size;
134 	release_firmware(firmware);
135 }
136 
137 void rtl_fw_cb(const struct firmware *firmware, void *context)
138 {
139 	rtl_fw_do_work(firmware, context, false);
140 }
141 EXPORT_SYMBOL(rtl_fw_cb);
142 
143 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
144 {
145 	rtl_fw_do_work(firmware, context, true);
146 }
147 EXPORT_SYMBOL(rtl_wowlan_fw_cb);
148 
149 /*mutex for start & stop is must here. */
150 static int rtl_op_start(struct ieee80211_hw *hw)
151 {
152 	int err = 0;
153 	struct rtl_priv *rtlpriv = rtl_priv(hw);
154 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
155 
156 	if (!is_hal_stop(rtlhal))
157 		return 0;
158 	if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
159 		return 0;
160 	mutex_lock(&rtlpriv->locks.conf_mutex);
161 	err = rtlpriv->intf_ops->adapter_start(hw);
162 	if (!err)
163 		rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer);
164 	mutex_unlock(&rtlpriv->locks.conf_mutex);
165 	return err;
166 }
167 
168 static void rtl_op_stop(struct ieee80211_hw *hw)
169 {
170 	struct rtl_priv *rtlpriv = rtl_priv(hw);
171 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
172 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
173 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
174 	bool support_remote_wakeup = false;
175 
176 	if (is_hal_stop(rtlhal))
177 		return;
178 
179 	rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
180 				      (u8 *)(&support_remote_wakeup));
181 	/* here is must, because adhoc do stop and start,
182 	 * but stop with RFOFF may cause something wrong,
183 	 * like adhoc TP
184 	 */
185 	if (unlikely(ppsc->rfpwr_state == ERFOFF))
186 		rtl_ips_nic_on(hw);
187 
188 	mutex_lock(&rtlpriv->locks.conf_mutex);
189 	/* if wowlan supported, DON'T clear connected info */
190 	if (!(support_remote_wakeup &&
191 	      rtlhal->enter_pnp_sleep)) {
192 		mac->link_state = MAC80211_NOLINK;
193 		eth_zero_addr(mac->bssid);
194 		mac->vendor = PEER_UNKNOWN;
195 
196 		/* reset sec info */
197 		rtl_cam_reset_sec_info(hw);
198 
199 		rtl_deinit_deferred_work(hw);
200 	}
201 	rtlpriv->intf_ops->adapter_stop(hw);
202 
203 	mutex_unlock(&rtlpriv->locks.conf_mutex);
204 }
205 
206 static void rtl_op_tx(struct ieee80211_hw *hw,
207 		      struct ieee80211_tx_control *control,
208 		      struct sk_buff *skb)
209 {
210 	struct rtl_priv *rtlpriv = rtl_priv(hw);
211 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
212 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
213 	struct rtl_tcb_desc tcb_desc;
214 	memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
215 
216 	if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
217 		goto err_free;
218 
219 	if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
220 		goto err_free;
221 
222 	if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
223 		rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
224 	return;
225 
226 err_free:
227 	dev_kfree_skb_any(skb);
228 }
229 
230 static int rtl_op_add_interface(struct ieee80211_hw *hw,
231 		struct ieee80211_vif *vif)
232 {
233 	struct rtl_priv *rtlpriv = rtl_priv(hw);
234 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
235 	int err = 0;
236 	u8 retry_limit = 0x30;
237 
238 	if (mac->vif) {
239 		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
240 			 "vif has been set!! mac->vif = 0x%p\n", mac->vif);
241 		return -EOPNOTSUPP;
242 	}
243 
244 	vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
245 
246 	rtl_ips_nic_on(hw);
247 
248 	mutex_lock(&rtlpriv->locks.conf_mutex);
249 	switch (ieee80211_vif_type_p2p(vif)) {
250 	case NL80211_IFTYPE_P2P_CLIENT:
251 		mac->p2p = P2P_ROLE_CLIENT;
252 		/*fall through*/
253 	case NL80211_IFTYPE_STATION:
254 		if (mac->beacon_enabled == 1) {
255 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
256 				 "NL80211_IFTYPE_STATION\n");
257 			mac->beacon_enabled = 0;
258 			rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
259 					rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
260 		}
261 		break;
262 	case NL80211_IFTYPE_ADHOC:
263 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
264 			 "NL80211_IFTYPE_ADHOC\n");
265 
266 		mac->link_state = MAC80211_LINKED;
267 		rtlpriv->cfg->ops->set_bcn_reg(hw);
268 		if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
269 			mac->basic_rates = 0xfff;
270 		else
271 			mac->basic_rates = 0xff0;
272 		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
273 				(u8 *)(&mac->basic_rates));
274 
275 		retry_limit = 0x07;
276 		break;
277 	case NL80211_IFTYPE_P2P_GO:
278 		mac->p2p = P2P_ROLE_GO;
279 		/*fall through*/
280 	case NL80211_IFTYPE_AP:
281 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
282 			 "NL80211_IFTYPE_AP\n");
283 
284 		mac->link_state = MAC80211_LINKED;
285 		rtlpriv->cfg->ops->set_bcn_reg(hw);
286 		if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
287 			mac->basic_rates = 0xfff;
288 		else
289 			mac->basic_rates = 0xff0;
290 		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
291 					      (u8 *)(&mac->basic_rates));
292 
293 		retry_limit = 0x07;
294 		break;
295 	case NL80211_IFTYPE_MESH_POINT:
296 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
297 			 "NL80211_IFTYPE_MESH_POINT\n");
298 
299 		mac->link_state = MAC80211_LINKED;
300 		rtlpriv->cfg->ops->set_bcn_reg(hw);
301 		if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
302 			mac->basic_rates = 0xfff;
303 		else
304 			mac->basic_rates = 0xff0;
305 		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
306 				(u8 *)(&mac->basic_rates));
307 
308 		retry_limit = 0x07;
309 		break;
310 	default:
311 		pr_err("operation mode %d is not supported!\n",
312 		       vif->type);
313 		err = -EOPNOTSUPP;
314 		goto out;
315 	}
316 
317 	if (mac->p2p) {
318 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
319 			 "p2p role %x\n", vif->type);
320 		mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
321 		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
322 				(u8 *)(&mac->basic_rates));
323 	}
324 	mac->vif = vif;
325 	mac->opmode = vif->type;
326 	rtlpriv->cfg->ops->set_network_type(hw, vif->type);
327 	memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
328 	rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
329 
330 	mac->retry_long = retry_limit;
331 	mac->retry_short = retry_limit;
332 	rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
333 			(u8 *)(&retry_limit));
334 out:
335 	mutex_unlock(&rtlpriv->locks.conf_mutex);
336 	return err;
337 }
338 
339 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
340 		struct ieee80211_vif *vif)
341 {
342 	struct rtl_priv *rtlpriv = rtl_priv(hw);
343 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
344 
345 	mutex_lock(&rtlpriv->locks.conf_mutex);
346 
347 	/* Free beacon resources */
348 	if (vif->type == NL80211_IFTYPE_AP ||
349 	    vif->type == NL80211_IFTYPE_ADHOC ||
350 	    vif->type == NL80211_IFTYPE_MESH_POINT) {
351 		if (mac->beacon_enabled == 1) {
352 			mac->beacon_enabled = 0;
353 			rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
354 					rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
355 		}
356 	}
357 
358 	/*
359 	 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
360 	 *NO LINK for our hardware.
361 	 */
362 	mac->p2p = 0;
363 	mac->vif = NULL;
364 	mac->link_state = MAC80211_NOLINK;
365 	eth_zero_addr(mac->bssid);
366 	mac->vendor = PEER_UNKNOWN;
367 	mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
368 	rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
369 
370 	mutex_unlock(&rtlpriv->locks.conf_mutex);
371 }
372 static int rtl_op_change_interface(struct ieee80211_hw *hw,
373 				   struct ieee80211_vif *vif,
374 				   enum nl80211_iftype new_type, bool p2p)
375 {
376 	struct rtl_priv *rtlpriv = rtl_priv(hw);
377 	int ret;
378 	rtl_op_remove_interface(hw, vif);
379 
380 	vif->type = new_type;
381 	vif->p2p = p2p;
382 	ret = rtl_op_add_interface(hw, vif);
383 	RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
384 		 "p2p  %x\n", p2p);
385 	return ret;
386 }
387 
388 #ifdef CONFIG_PM
389 static u16 crc16_ccitt(u8 data, u16 crc)
390 {
391 	u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
392 	u8 i;
393 	u16 result;
394 
395 	for (i = 0; i < 8; i++) {
396 		crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
397 		data_bit  = (data & (BIT(0) << i) ? 1 : 0);
398 		shift_in = crc_bit15 ^ data_bit;
399 
400 		result = crc << 1;
401 		if (shift_in == 0)
402 			result &= (~BIT(0));
403 		else
404 			result |= BIT(0);
405 
406 		crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
407 		if (crc_bit11 == 0)
408 			result &= (~BIT(12));
409 		else
410 			result |= BIT(12);
411 
412 		crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
413 		if (crc_bit4 == 0)
414 			result &= (~BIT(5));
415 		else
416 			result |= BIT(5);
417 
418 		crc = result;
419 	}
420 
421 	return crc;
422 }
423 
424 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
425 {
426 	u16 crc = 0xffff;
427 	u32 i;
428 
429 	for (i = 0; i < len; i++)
430 		crc = crc16_ccitt(pattern[i], crc);
431 
432 	crc = ~crc;
433 
434 	return crc;
435 }
436 
437 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
438 				     struct cfg80211_wowlan *wow)
439 {
440 	struct rtl_priv *rtlpriv = rtl_priv(hw);
441 	struct rtl_mac *mac = &rtlpriv->mac80211;
442 	struct cfg80211_pkt_pattern *patterns = wow->patterns;
443 	struct rtl_wow_pattern rtl_pattern;
444 	const u8 *pattern_os, *mask_os;
445 	u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
446 	u8 content[MAX_WOL_PATTERN_SIZE] = {0};
447 	u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
448 	u8 multicast_addr1[2] = {0x33, 0x33};
449 	u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
450 	u8 i, mask_len;
451 	u16 j, len;
452 
453 	for (i = 0; i < wow->n_patterns; i++) {
454 		memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
455 		memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
456 		if (patterns[i].pattern_len < 0 ||
457 		    patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
458 			RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING,
459 				 "Pattern[%d] is too long\n", i);
460 			continue;
461 		}
462 		pattern_os = patterns[i].pattern;
463 		mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
464 		mask_os = patterns[i].mask;
465 		RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
466 			      "pattern content\n", pattern_os,
467 			       patterns[i].pattern_len);
468 		RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
469 			      "mask content\n", mask_os, mask_len);
470 		/* 1. unicast? multicast? or broadcast? */
471 		if (memcmp(pattern_os, broadcast_addr, 6) == 0)
472 			rtl_pattern.type = BROADCAST_PATTERN;
473 		else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
474 			 memcmp(pattern_os, multicast_addr2, 3) == 0)
475 			rtl_pattern.type = MULTICAST_PATTERN;
476 		else if  (memcmp(pattern_os, mac->mac_addr, 6) == 0)
477 			rtl_pattern.type = UNICAST_PATTERN;
478 		else
479 			rtl_pattern.type = UNKNOWN_TYPE;
480 
481 		/* 2. translate mask_from_os to mask_for_hw */
482 
483 /******************************************************************************
484  * pattern from OS uses 'ethenet frame', like this:
485 
486 		   |    6   |    6   |   2  |     20    |  Variable  |	4  |
487 		   |--------+--------+------+-----------+------------+-----|
488 		   |    802.3 Mac Header    | IP Header | TCP Packet | FCS |
489 		   |   DA   |   SA   | Type |
490 
491  * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
492 
493 	|     24 or 30      |    6   |   2  |     20    |  Variable  |  4  |
494 	|-------------------+--------+------+-----------+------------+-----|
495 	| 802.11 MAC Header |       LLC     | IP Header | TCP Packet | FCS |
496 			    | Others | Tpye |
497 
498  * Therefore, we need translate mask_from_OS to mask_to_hw.
499  * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
500  * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
501  * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
502  ******************************************************************************/
503 
504 		/* Shift 6 bits */
505 		for (j = 0; j < mask_len - 1; j++) {
506 			mask[j] = mask_os[j] >> 6;
507 			mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
508 		}
509 		mask[j] = (mask_os[j] >> 6) & 0x3F;
510 		/* Set bit 0-5 to zero */
511 		mask[0] &= 0xC0;
512 
513 		RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
514 			      "mask to hw\n", mask, mask_len);
515 		for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
516 			rtl_pattern.mask[j] = mask[j * 4];
517 			rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
518 			rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
519 			rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
520 		}
521 
522 		/* To get the wake up pattern from the mask.
523 		 * We do not count first 12 bits which means
524 		 * DA[6] and SA[6] in the pattern to match HW design.
525 		 */
526 		len = 0;
527 		for (j = 12; j < patterns[i].pattern_len; j++) {
528 			if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
529 				content[len] = pattern_os[j];
530 				len++;
531 			}
532 		}
533 
534 		RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
535 			      "pattern to hw\n", content, len);
536 		/* 3. calculate crc */
537 		rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
538 		RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
539 			 "CRC_Remainder = 0x%x\n", rtl_pattern.crc);
540 
541 		/* 4. write crc & mask_for_hw to hw */
542 		rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
543 	}
544 	rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
545 }
546 
547 static int rtl_op_suspend(struct ieee80211_hw *hw,
548 			  struct cfg80211_wowlan *wow)
549 {
550 	struct rtl_priv *rtlpriv = rtl_priv(hw);
551 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
552 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
553 
554 	RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
555 	if (WARN_ON(!wow))
556 		return -EINVAL;
557 
558 	/* to resolve s4 can not wake up*/
559 	rtlhal->last_suspend_sec = ktime_get_real_seconds();
560 
561 	if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
562 		_rtl_add_wowlan_patterns(hw, wow);
563 
564 	rtlhal->driver_is_goingto_unload = true;
565 	rtlhal->enter_pnp_sleep = true;
566 
567 	rtl_lps_leave(hw);
568 	rtl_op_stop(hw);
569 	device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
570 	return 0;
571 }
572 
573 static int rtl_op_resume(struct ieee80211_hw *hw)
574 {
575 	struct rtl_priv *rtlpriv = rtl_priv(hw);
576 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
577 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
578 	time64_t now;
579 
580 	RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
581 	rtlhal->driver_is_goingto_unload = false;
582 	rtlhal->enter_pnp_sleep = false;
583 	rtlhal->wake_from_pnp_sleep = true;
584 
585 	/* to resovle s4 can not wake up*/
586 	now = ktime_get_real_seconds();
587 	if (now - rtlhal->last_suspend_sec < 5)
588 		return -1;
589 
590 	rtl_op_start(hw);
591 	device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
592 	ieee80211_resume_disconnect(mac->vif);
593 	rtlhal->wake_from_pnp_sleep = false;
594 	return 0;
595 }
596 #endif
597 
598 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
599 {
600 	struct rtl_priv *rtlpriv = rtl_priv(hw);
601 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
602 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
603 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
604 	struct ieee80211_conf *conf = &hw->conf;
605 
606 	if (mac->skip_scan)
607 		return 1;
608 
609 	mutex_lock(&rtlpriv->locks.conf_mutex);
610 	if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {	/* BIT(2)*/
611 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
612 			 "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
613 	}
614 
615 	/*For IPS */
616 	if (changed & IEEE80211_CONF_CHANGE_IDLE) {
617 		if (hw->conf.flags & IEEE80211_CONF_IDLE)
618 			rtl_ips_nic_off(hw);
619 		else
620 			rtl_ips_nic_on(hw);
621 	} else {
622 		/*
623 		 *although rfoff may not cause by ips, but we will
624 		 *check the reason in set_rf_power_state function
625 		 */
626 		if (unlikely(ppsc->rfpwr_state == ERFOFF))
627 			rtl_ips_nic_on(hw);
628 	}
629 
630 	/*For LPS */
631 	if ((changed & IEEE80211_CONF_CHANGE_PS) &&
632 	    rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) {
633 		cancel_delayed_work(&rtlpriv->works.ps_work);
634 		cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
635 		if (conf->flags & IEEE80211_CONF_PS) {
636 			rtlpriv->psc.sw_ps_enabled = true;
637 			/* sleep here is must, or we may recv the beacon and
638 			 * cause mac80211 into wrong ps state, this will cause
639 			 * power save nullfunc send fail, and further cause
640 			 * pkt loss, So sleep must quickly but not immediatly
641 			 * because that will cause nullfunc send by mac80211
642 			 * fail, and cause pkt loss, we have tested that 5mA
643 			 * is worked very well */
644 			if (!rtlpriv->psc.multi_buffered)
645 				queue_delayed_work(rtlpriv->works.rtl_wq,
646 						   &rtlpriv->works.ps_work,
647 						   MSECS(5));
648 		} else {
649 			rtl_swlps_rf_awake(hw);
650 			rtlpriv->psc.sw_ps_enabled = false;
651 		}
652 	}
653 
654 	if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
655 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
656 			 "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
657 			 hw->conf.long_frame_max_tx_count);
658 		/* brought up everything changes (changed == ~0) indicates first
659 		 * open, so use our default value instead of that of wiphy.
660 		 */
661 		if (changed != ~0) {
662 			mac->retry_long = hw->conf.long_frame_max_tx_count;
663 			mac->retry_short = hw->conf.long_frame_max_tx_count;
664 			rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
665 				(u8 *)(&hw->conf.long_frame_max_tx_count));
666 		}
667 	}
668 
669 	if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
670 	    !rtlpriv->proximity.proxim_on) {
671 		struct ieee80211_channel *channel = hw->conf.chandef.chan;
672 		enum nl80211_chan_width width = hw->conf.chandef.width;
673 		enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
674 		u8 wide_chan = (u8) channel->hw_value;
675 
676 		/* channel_type is for 20&40M */
677 		if (width < NL80211_CHAN_WIDTH_80)
678 			channel_type =
679 				cfg80211_get_chandef_type(&hw->conf.chandef);
680 		if (mac->act_scanning)
681 			mac->n_channels++;
682 
683 		if (rtlpriv->dm.supp_phymode_switch &&
684 			mac->link_state < MAC80211_LINKED &&
685 			!mac->act_scanning) {
686 			if (rtlpriv->cfg->ops->chk_switch_dmdp)
687 				rtlpriv->cfg->ops->chk_switch_dmdp(hw);
688 		}
689 
690 		/*
691 		 *because we should back channel to
692 		 *current_network.chan in in scanning,
693 		 *So if set_chan == current_network.chan
694 		 *we should set it.
695 		 *because mac80211 tell us wrong bw40
696 		 *info for cisco1253 bw20, so we modify
697 		 *it here based on UPPER & LOWER
698 		 */
699 
700 		if (width >= NL80211_CHAN_WIDTH_80) {
701 			if (width == NL80211_CHAN_WIDTH_80) {
702 				u32 center = hw->conf.chandef.center_freq1;
703 				u32 primary =
704 				(u32)hw->conf.chandef.chan->center_freq;
705 
706 				rtlphy->current_chan_bw =
707 					HT_CHANNEL_WIDTH_80;
708 				mac->bw_80 = true;
709 				mac->bw_40 = true;
710 				if (center > primary) {
711 					mac->cur_80_prime_sc =
712 					PRIME_CHNL_OFFSET_LOWER;
713 					if (center - primary == 10) {
714 						mac->cur_40_prime_sc =
715 						PRIME_CHNL_OFFSET_UPPER;
716 
717 						wide_chan += 2;
718 					} else if (center - primary == 30) {
719 						mac->cur_40_prime_sc =
720 						PRIME_CHNL_OFFSET_LOWER;
721 
722 						wide_chan += 6;
723 					}
724 				} else {
725 					mac->cur_80_prime_sc =
726 					PRIME_CHNL_OFFSET_UPPER;
727 					if (primary - center == 10) {
728 						mac->cur_40_prime_sc =
729 						PRIME_CHNL_OFFSET_LOWER;
730 
731 						wide_chan -= 2;
732 					} else if (primary - center == 30) {
733 						mac->cur_40_prime_sc =
734 						PRIME_CHNL_OFFSET_UPPER;
735 
736 						wide_chan -= 6;
737 					}
738 				}
739 			}
740 		} else {
741 			switch (channel_type) {
742 			case NL80211_CHAN_HT20:
743 			case NL80211_CHAN_NO_HT:
744 					/* SC */
745 					mac->cur_40_prime_sc =
746 						PRIME_CHNL_OFFSET_DONT_CARE;
747 					rtlphy->current_chan_bw =
748 						HT_CHANNEL_WIDTH_20;
749 					mac->bw_40 = false;
750 					mac->bw_80 = false;
751 					break;
752 			case NL80211_CHAN_HT40MINUS:
753 					/* SC */
754 					mac->cur_40_prime_sc =
755 						PRIME_CHNL_OFFSET_UPPER;
756 					rtlphy->current_chan_bw =
757 						HT_CHANNEL_WIDTH_20_40;
758 					mac->bw_40 = true;
759 					mac->bw_80 = false;
760 
761 					/*wide channel */
762 					wide_chan -= 2;
763 
764 					break;
765 			case NL80211_CHAN_HT40PLUS:
766 					/* SC */
767 					mac->cur_40_prime_sc =
768 						PRIME_CHNL_OFFSET_LOWER;
769 					rtlphy->current_chan_bw =
770 						HT_CHANNEL_WIDTH_20_40;
771 					mac->bw_40 = true;
772 					mac->bw_80 = false;
773 
774 					/*wide channel */
775 					wide_chan += 2;
776 
777 					break;
778 			default:
779 					mac->bw_40 = false;
780 					mac->bw_80 = false;
781 					pr_err("switch case %#x not processed\n",
782 					       channel_type);
783 					break;
784 			}
785 		}
786 
787 		if (wide_chan <= 0)
788 			wide_chan = 1;
789 
790 		/* In scanning, when before we offchannel we may send a ps=1
791 		 * null to AP, and then we may send a ps = 0 null to AP quickly,
792 		 * but first null may have caused AP to put lots of packet to
793 		 * hw tx buffer. These packets must be tx'd before we go off
794 		 * channel so we must delay more time to let AP flush these
795 		 * packets before going offchannel, or dis-association or
796 		 * delete BA will be caused by AP
797 		 */
798 		if (rtlpriv->mac80211.offchan_delay) {
799 			rtlpriv->mac80211.offchan_delay = false;
800 			mdelay(50);
801 		}
802 
803 		rtlphy->current_channel = wide_chan;
804 
805 		rtlpriv->cfg->ops->switch_channel(hw);
806 		rtlpriv->cfg->ops->set_channel_access(hw);
807 		rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
808 	}
809 
810 	mutex_unlock(&rtlpriv->locks.conf_mutex);
811 
812 	return 0;
813 }
814 
815 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
816 				    unsigned int changed_flags,
817 				    unsigned int *new_flags, u64 multicast)
818 {
819 	bool update_rcr = false;
820 	struct rtl_priv *rtlpriv = rtl_priv(hw);
821 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
822 
823 	*new_flags &= RTL_SUPPORTED_FILTERS;
824 	if (0 == changed_flags)
825 		return;
826 
827 	/*TODO: we disable broadcase now, so enable here */
828 	if (changed_flags & FIF_ALLMULTI) {
829 		if (*new_flags & FIF_ALLMULTI) {
830 			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
831 			    rtlpriv->cfg->maps[MAC_RCR_AB];
832 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
833 				 "Enable receive multicast frame\n");
834 		} else {
835 			mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
836 					  rtlpriv->cfg->maps[MAC_RCR_AB]);
837 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
838 				 "Disable receive multicast frame\n");
839 		}
840 		update_rcr = true;
841 	}
842 
843 	if (changed_flags & FIF_FCSFAIL) {
844 		if (*new_flags & FIF_FCSFAIL) {
845 			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
846 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
847 				 "Enable receive FCS error frame\n");
848 		} else {
849 			mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
850 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
851 				 "Disable receive FCS error frame\n");
852 		}
853 		if (!update_rcr)
854 			update_rcr = true;
855 	}
856 
857 	/* if ssid not set to hw don't check bssid
858 	 * here just used for linked scanning, & linked
859 	 * and nolink check bssid is set in set network_type
860 	 */
861 	if (changed_flags & FIF_BCN_PRBRESP_PROMISC &&
862 	    mac->link_state >= MAC80211_LINKED) {
863 		if (mac->opmode != NL80211_IFTYPE_AP &&
864 		    mac->opmode != NL80211_IFTYPE_MESH_POINT) {
865 			if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
866 				rtlpriv->cfg->ops->set_chk_bssid(hw, false);
867 			else
868 				rtlpriv->cfg->ops->set_chk_bssid(hw, true);
869 			if (update_rcr)
870 				update_rcr = false;
871 		}
872 	}
873 
874 	if (changed_flags & FIF_CONTROL) {
875 		if (*new_flags & FIF_CONTROL) {
876 			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
877 
878 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
879 				 "Enable receive control frame.\n");
880 		} else {
881 			mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
882 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
883 				 "Disable receive control frame.\n");
884 		}
885 		if (!update_rcr)
886 			update_rcr = true;
887 	}
888 
889 	if (changed_flags & FIF_OTHER_BSS) {
890 		if (*new_flags & FIF_OTHER_BSS) {
891 			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
892 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
893 				 "Enable receive other BSS's frame.\n");
894 		} else {
895 			mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
896 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
897 				 "Disable receive other BSS's frame.\n");
898 		}
899 		if (!update_rcr)
900 			update_rcr = true;
901 	}
902 
903 	if (update_rcr)
904 		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
905 					      (u8 *)(&mac->rx_conf));
906 }
907 static int rtl_op_sta_add(struct ieee80211_hw *hw,
908 			 struct ieee80211_vif *vif,
909 			 struct ieee80211_sta *sta)
910 {
911 	struct rtl_priv *rtlpriv = rtl_priv(hw);
912 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
913 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
914 	struct rtl_sta_info *sta_entry;
915 
916 	if (sta) {
917 		sta_entry = (struct rtl_sta_info *)sta->drv_priv;
918 		spin_lock_bh(&rtlpriv->locks.entry_list_lock);
919 		list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
920 		spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
921 		if (rtlhal->current_bandtype == BAND_ON_2_4G) {
922 			sta_entry->wireless_mode = WIRELESS_MODE_G;
923 			if (sta->supp_rates[0] <= 0xf)
924 				sta_entry->wireless_mode = WIRELESS_MODE_B;
925 			if (sta->ht_cap.ht_supported)
926 				sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
927 
928 			if (vif->type == NL80211_IFTYPE_ADHOC)
929 				sta_entry->wireless_mode = WIRELESS_MODE_G;
930 		} else if (rtlhal->current_bandtype == BAND_ON_5G) {
931 			sta_entry->wireless_mode = WIRELESS_MODE_A;
932 			if (sta->ht_cap.ht_supported)
933 				sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
934 			if (sta->vht_cap.vht_supported)
935 				sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
936 
937 			if (vif->type == NL80211_IFTYPE_ADHOC)
938 				sta_entry->wireless_mode = WIRELESS_MODE_A;
939 		}
940 		/*disable cck rate for p2p*/
941 		if (mac->p2p)
942 			sta->supp_rates[0] &= 0xfffffff0;
943 
944 		memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
945 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
946 			"Add sta addr is %pM\n", sta->addr);
947 		rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true);
948 	}
949 
950 	return 0;
951 }
952 
953 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
954 				struct ieee80211_vif *vif,
955 				struct ieee80211_sta *sta)
956 {
957 	struct rtl_priv *rtlpriv = rtl_priv(hw);
958 	struct rtl_sta_info *sta_entry;
959 	if (sta) {
960 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
961 			 "Remove sta addr is %pM\n", sta->addr);
962 		sta_entry = (struct rtl_sta_info *)sta->drv_priv;
963 		sta_entry->wireless_mode = 0;
964 		sta_entry->ratr_index = 0;
965 		spin_lock_bh(&rtlpriv->locks.entry_list_lock);
966 		list_del(&sta_entry->list);
967 		spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
968 	}
969 	return 0;
970 }
971 static int _rtl_get_hal_qnum(u16 queue)
972 {
973 	int qnum;
974 
975 	switch (queue) {
976 	case 0:
977 		qnum = AC3_VO;
978 		break;
979 	case 1:
980 		qnum = AC2_VI;
981 		break;
982 	case 2:
983 		qnum = AC0_BE;
984 		break;
985 	case 3:
986 		qnum = AC1_BK;
987 		break;
988 	default:
989 		qnum = AC0_BE;
990 		break;
991 	}
992 	return qnum;
993 }
994 
995 /*
996  *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
997  *for rtl819x  BE = 0, BK = 1, VI = 2, VO = 3
998  */
999 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
1000 			  struct ieee80211_vif *vif, u16 queue,
1001 			  const struct ieee80211_tx_queue_params *param)
1002 {
1003 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1004 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1005 	int aci;
1006 
1007 	if (queue >= AC_MAX) {
1008 		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1009 			 "queue number %d is incorrect!\n", queue);
1010 		return -EINVAL;
1011 	}
1012 
1013 	aci = _rtl_get_hal_qnum(queue);
1014 	mac->ac[aci].aifs = param->aifs;
1015 	mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
1016 	mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1017 	mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1018 	memcpy(&mac->edca_param[aci], param, sizeof(*param));
1019 	rtlpriv->cfg->ops->set_qos(hw, aci);
1020 	return 0;
1021 }
1022 
1023 static void send_beacon_frame(struct ieee80211_hw *hw,
1024 			      struct ieee80211_vif *vif)
1025 {
1026 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1027 	struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
1028 	struct rtl_tcb_desc tcb_desc;
1029 
1030 	if (skb) {
1031 		memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1032 		rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1033 	}
1034 }
1035 
1036 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1037 				    struct ieee80211_vif *vif,
1038 				    struct ieee80211_bss_conf *bss_conf,
1039 				    u32 changed)
1040 {
1041 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1042 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1043 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1044 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1045 
1046 	mutex_lock(&rtlpriv->locks.conf_mutex);
1047 	if (vif->type == NL80211_IFTYPE_ADHOC ||
1048 	    vif->type == NL80211_IFTYPE_AP ||
1049 	    vif->type == NL80211_IFTYPE_MESH_POINT) {
1050 		if (changed & BSS_CHANGED_BEACON ||
1051 		    (changed & BSS_CHANGED_BEACON_ENABLED &&
1052 		     bss_conf->enable_beacon)) {
1053 			if (mac->beacon_enabled == 0) {
1054 				RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1055 					 "BSS_CHANGED_BEACON_ENABLED\n");
1056 
1057 				/*start hw beacon interrupt. */
1058 				/*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1059 				mac->beacon_enabled = 1;
1060 				rtlpriv->cfg->ops->update_interrupt_mask(hw,
1061 						rtlpriv->cfg->maps
1062 						[RTL_IBSS_INT_MASKS], 0);
1063 
1064 				if (rtlpriv->cfg->ops->linked_set_reg)
1065 					rtlpriv->cfg->ops->linked_set_reg(hw);
1066 				send_beacon_frame(hw, vif);
1067 			}
1068 		}
1069 		if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1070 		    !bss_conf->enable_beacon)) {
1071 			if (mac->beacon_enabled == 1) {
1072 				RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1073 					 "ADHOC DISABLE BEACON\n");
1074 
1075 				mac->beacon_enabled = 0;
1076 				rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1077 						rtlpriv->cfg->maps
1078 						[RTL_IBSS_INT_MASKS]);
1079 			}
1080 		}
1081 		if (changed & BSS_CHANGED_BEACON_INT) {
1082 			RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
1083 				 "BSS_CHANGED_BEACON_INT\n");
1084 			mac->beacon_interval = bss_conf->beacon_int;
1085 			rtlpriv->cfg->ops->set_bcn_intv(hw);
1086 		}
1087 	}
1088 
1089 	/*TODO: reference to enum ieee80211_bss_change */
1090 	if (changed & BSS_CHANGED_ASSOC) {
1091 		u8 mstatus;
1092 		if (bss_conf->assoc) {
1093 			struct ieee80211_sta *sta = NULL;
1094 			u8 keep_alive = 10;
1095 
1096 			mstatus = RT_MEDIA_CONNECT;
1097 			/* we should reset all sec info & cam
1098 			 * before set cam after linked, we should not
1099 			 * reset in disassoc, that will cause tkip->wep
1100 			 * fail because some flag will be wrong */
1101 			/* reset sec info */
1102 			rtl_cam_reset_sec_info(hw);
1103 			/* reset cam to fix wep fail issue
1104 			 * when change from wpa to wep */
1105 			rtl_cam_reset_all_entry(hw);
1106 
1107 			mac->link_state = MAC80211_LINKED;
1108 			mac->cnt_after_linked = 0;
1109 			mac->assoc_id = bss_conf->aid;
1110 			memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1111 
1112 			if (rtlpriv->cfg->ops->linked_set_reg)
1113 				rtlpriv->cfg->ops->linked_set_reg(hw);
1114 
1115 			rcu_read_lock();
1116 			sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1117 			if (!sta) {
1118 				rcu_read_unlock();
1119 				goto out;
1120 			}
1121 			RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1122 				 "send PS STATIC frame\n");
1123 			if (rtlpriv->dm.supp_phymode_switch) {
1124 				if (sta->ht_cap.ht_supported)
1125 					rtl_send_smps_action(hw, sta,
1126 							IEEE80211_SMPS_STATIC);
1127 			}
1128 
1129 			if (rtlhal->current_bandtype == BAND_ON_5G) {
1130 				mac->mode = WIRELESS_MODE_A;
1131 			} else {
1132 				if (sta->supp_rates[0] <= 0xf)
1133 					mac->mode = WIRELESS_MODE_B;
1134 				else
1135 					mac->mode = WIRELESS_MODE_G;
1136 			}
1137 
1138 			if (sta->ht_cap.ht_supported) {
1139 				if (rtlhal->current_bandtype == BAND_ON_2_4G)
1140 					mac->mode = WIRELESS_MODE_N_24G;
1141 				else
1142 					mac->mode = WIRELESS_MODE_N_5G;
1143 			}
1144 
1145 			if (sta->vht_cap.vht_supported) {
1146 				if (rtlhal->current_bandtype == BAND_ON_5G)
1147 					mac->mode = WIRELESS_MODE_AC_5G;
1148 				else
1149 					mac->mode = WIRELESS_MODE_AC_24G;
1150 			}
1151 
1152 			if (vif->type == NL80211_IFTYPE_STATION)
1153 				rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0,
1154 								   true);
1155 			rcu_read_unlock();
1156 
1157 			/* to avoid AP Disassociation caused by inactivity */
1158 			rtlpriv->cfg->ops->set_hw_reg(hw,
1159 						      HW_VAR_KEEP_ALIVE,
1160 						      (u8 *)(&keep_alive));
1161 
1162 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1163 				 "BSS_CHANGED_ASSOC\n");
1164 		} else {
1165 			struct cfg80211_bss *bss = NULL;
1166 
1167 			mstatus = RT_MEDIA_DISCONNECT;
1168 
1169 			if (mac->link_state == MAC80211_LINKED)
1170 				rtl_lps_leave(hw);
1171 			if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1172 				rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1173 			mac->link_state = MAC80211_NOLINK;
1174 
1175 			bss = cfg80211_get_bss(hw->wiphy, NULL,
1176 					       (u8 *)mac->bssid, NULL, 0,
1177 					       IEEE80211_BSS_TYPE_ESS,
1178 					       IEEE80211_PRIVACY_OFF);
1179 
1180 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1181 				 "bssid = %pMF\n", mac->bssid);
1182 
1183 			if (bss) {
1184 				cfg80211_unlink_bss(hw->wiphy, bss);
1185 				cfg80211_put_bss(hw->wiphy, bss);
1186 				RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1187 					 "cfg80211_unlink !!\n");
1188 			}
1189 
1190 			eth_zero_addr(mac->bssid);
1191 			mac->vendor = PEER_UNKNOWN;
1192 			mac->mode = 0;
1193 
1194 			if (rtlpriv->dm.supp_phymode_switch) {
1195 				if (rtlpriv->cfg->ops->chk_switch_dmdp)
1196 					rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1197 			}
1198 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1199 				 "BSS_CHANGED_UN_ASSOC\n");
1200 		}
1201 		rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1202 		/* For FW LPS:
1203 		 * To tell firmware we have connected or disconnected
1204 		 */
1205 		rtlpriv->cfg->ops->set_hw_reg(hw,
1206 					      HW_VAR_H2C_FW_JOINBSSRPT,
1207 					      (u8 *)(&mstatus));
1208 		ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1209 				      true : false;
1210 
1211 		if (rtlpriv->cfg->ops->get_btc_status())
1212 			rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1213 							rtlpriv, mstatus);
1214 	}
1215 
1216 	if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1217 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1218 			 "BSS_CHANGED_ERP_CTS_PROT\n");
1219 		mac->use_cts_protect = bss_conf->use_cts_prot;
1220 	}
1221 
1222 	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1223 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
1224 			 "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1225 			  bss_conf->use_short_preamble);
1226 
1227 		mac->short_preamble = bss_conf->use_short_preamble;
1228 		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1229 					      (u8 *)(&mac->short_preamble));
1230 	}
1231 
1232 	if (changed & BSS_CHANGED_ERP_SLOT) {
1233 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1234 			 "BSS_CHANGED_ERP_SLOT\n");
1235 
1236 		if (bss_conf->use_short_slot)
1237 			mac->slot_time = RTL_SLOT_TIME_9;
1238 		else
1239 			mac->slot_time = RTL_SLOT_TIME_20;
1240 
1241 		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1242 					      (u8 *)(&mac->slot_time));
1243 	}
1244 
1245 	if (changed & BSS_CHANGED_HT) {
1246 		struct ieee80211_sta *sta = NULL;
1247 
1248 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1249 			 "BSS_CHANGED_HT\n");
1250 
1251 		rcu_read_lock();
1252 		sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1253 		if (sta) {
1254 			if (sta->ht_cap.ampdu_density >
1255 			    mac->current_ampdu_density)
1256 				mac->current_ampdu_density =
1257 				    sta->ht_cap.ampdu_density;
1258 			if (sta->ht_cap.ampdu_factor <
1259 			    mac->current_ampdu_factor)
1260 				mac->current_ampdu_factor =
1261 				    sta->ht_cap.ampdu_factor;
1262 		}
1263 		rcu_read_unlock();
1264 
1265 		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1266 					      (u8 *)(&mac->max_mss_density));
1267 		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1268 					      &mac->current_ampdu_factor);
1269 		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1270 					      &mac->current_ampdu_density);
1271 	}
1272 
1273 	if (changed & BSS_CHANGED_BSSID) {
1274 		u32 basic_rates;
1275 		struct ieee80211_sta *sta = NULL;
1276 
1277 		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1278 					      (u8 *)bss_conf->bssid);
1279 
1280 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1281 			 "bssid: %pM\n", bss_conf->bssid);
1282 
1283 		mac->vendor = PEER_UNKNOWN;
1284 		memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1285 
1286 		rcu_read_lock();
1287 		sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1288 		if (!sta) {
1289 			rcu_read_unlock();
1290 			goto out;
1291 		}
1292 
1293 		if (rtlhal->current_bandtype == BAND_ON_5G) {
1294 			mac->mode = WIRELESS_MODE_A;
1295 		} else {
1296 			if (sta->supp_rates[0] <= 0xf)
1297 				mac->mode = WIRELESS_MODE_B;
1298 			else
1299 				mac->mode = WIRELESS_MODE_G;
1300 		}
1301 
1302 		if (sta->ht_cap.ht_supported) {
1303 			if (rtlhal->current_bandtype == BAND_ON_2_4G)
1304 				mac->mode = WIRELESS_MODE_N_24G;
1305 			else
1306 				mac->mode = WIRELESS_MODE_N_5G;
1307 		}
1308 
1309 		if (sta->vht_cap.vht_supported) {
1310 			if (rtlhal->current_bandtype == BAND_ON_5G)
1311 				mac->mode = WIRELESS_MODE_AC_5G;
1312 			else
1313 				mac->mode = WIRELESS_MODE_AC_24G;
1314 		}
1315 
1316 		/* just station need it, because ibss & ap mode will
1317 		 * set in sta_add, and will be NULL here */
1318 		if (vif->type == NL80211_IFTYPE_STATION) {
1319 			struct rtl_sta_info *sta_entry;
1320 			sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1321 			sta_entry->wireless_mode = mac->mode;
1322 		}
1323 
1324 		if (sta->ht_cap.ht_supported) {
1325 			mac->ht_enable = true;
1326 
1327 			/*
1328 			 * for cisco 1252 bw20 it's wrong
1329 			 * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1330 			 *	mac->bw_40 = true;
1331 			 * }
1332 			 * */
1333 		}
1334 
1335 		if (sta->vht_cap.vht_supported)
1336 			mac->vht_enable = true;
1337 
1338 		if (changed & BSS_CHANGED_BASIC_RATES) {
1339 			/* for 5G must << RATE_6M_INDEX = 4,
1340 			 * because 5G have no cck rate*/
1341 			if (rtlhal->current_bandtype == BAND_ON_5G)
1342 				basic_rates = sta->supp_rates[1] << 4;
1343 			else
1344 				basic_rates = sta->supp_rates[0];
1345 
1346 			mac->basic_rates = basic_rates;
1347 			rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1348 					(u8 *)(&basic_rates));
1349 		}
1350 		rcu_read_unlock();
1351 	}
1352 out:
1353 	mutex_unlock(&rtlpriv->locks.conf_mutex);
1354 }
1355 
1356 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1357 {
1358 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1359 	u64 tsf;
1360 
1361 	rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1362 	return tsf;
1363 }
1364 
1365 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1366 			   struct ieee80211_vif *vif, u64 tsf)
1367 {
1368 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1369 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1370 	u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1371 
1372 	mac->tsf = tsf;
1373 	rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1374 }
1375 
1376 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1377 {
1378 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1379 	u8 tmp = 0;
1380 
1381 	rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1382 }
1383 
1384 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1385 			      struct ieee80211_vif *vif,
1386 			      enum sta_notify_cmd cmd,
1387 			      struct ieee80211_sta *sta)
1388 {
1389 	switch (cmd) {
1390 	case STA_NOTIFY_SLEEP:
1391 		break;
1392 	case STA_NOTIFY_AWAKE:
1393 		break;
1394 	default:
1395 		break;
1396 	}
1397 }
1398 
1399 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1400 			       struct ieee80211_vif *vif,
1401 			       struct ieee80211_ampdu_params *params)
1402 {
1403 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1404 	struct ieee80211_sta *sta = params->sta;
1405 	enum ieee80211_ampdu_mlme_action action = params->action;
1406 	u16 tid = params->tid;
1407 	u16 *ssn = &params->ssn;
1408 
1409 	switch (action) {
1410 	case IEEE80211_AMPDU_TX_START:
1411 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1412 			 "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1413 		return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1414 	case IEEE80211_AMPDU_TX_STOP_CONT:
1415 	case IEEE80211_AMPDU_TX_STOP_FLUSH:
1416 	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1417 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1418 			 "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1419 		return rtl_tx_agg_stop(hw, vif, sta, tid);
1420 	case IEEE80211_AMPDU_TX_OPERATIONAL:
1421 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1422 			 "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1423 		rtl_tx_agg_oper(hw, sta, tid);
1424 		break;
1425 	case IEEE80211_AMPDU_RX_START:
1426 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1427 			 "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1428 		return rtl_rx_agg_start(hw, sta, tid);
1429 	case IEEE80211_AMPDU_RX_STOP:
1430 		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1431 			 "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1432 		return rtl_rx_agg_stop(hw, sta, tid);
1433 	default:
1434 		pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
1435 		return -EOPNOTSUPP;
1436 	}
1437 	return 0;
1438 }
1439 
1440 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1441 				 struct ieee80211_vif *vif,
1442 				 const u8 *mac_addr)
1443 {
1444 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1445 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1446 
1447 	RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1448 	mac->act_scanning = true;
1449 	if (rtlpriv->link_info.higher_busytraffic) {
1450 		mac->skip_scan = true;
1451 		return;
1452 	}
1453 
1454 	if (rtlpriv->cfg->ops->get_btc_status())
1455 		rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1456 	else if (rtlpriv->btcoexist.btc_ops)
1457 		rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1458 								      1);
1459 
1460 	if (rtlpriv->dm.supp_phymode_switch) {
1461 		if (rtlpriv->cfg->ops->chk_switch_dmdp)
1462 			rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1463 	}
1464 
1465 	if (mac->link_state == MAC80211_LINKED) {
1466 		rtl_lps_leave(hw);
1467 		mac->link_state = MAC80211_LINKED_SCANNING;
1468 	} else {
1469 		rtl_ips_nic_on(hw);
1470 	}
1471 
1472 	/* Dul mac */
1473 	rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1474 
1475 	rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1476 	rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1477 }
1478 
1479 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1480 				    struct ieee80211_vif *vif)
1481 {
1482 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1483 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1484 
1485 	RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1486 	mac->act_scanning = false;
1487 	mac->skip_scan = false;
1488 
1489 	rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1490 
1491 	if (rtlpriv->link_info.higher_busytraffic)
1492 		return;
1493 
1494 	/* p2p will use 1/6/11 to scan */
1495 	if (mac->n_channels == 3)
1496 		mac->p2p_in_use = true;
1497 	else
1498 		mac->p2p_in_use = false;
1499 	mac->n_channels = 0;
1500 	/* Dul mac */
1501 	rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1502 
1503 	if (mac->link_state == MAC80211_LINKED_SCANNING) {
1504 		mac->link_state = MAC80211_LINKED;
1505 		if (mac->opmode == NL80211_IFTYPE_STATION) {
1506 			/* fix fwlps issue */
1507 			rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1508 		}
1509 	}
1510 
1511 	rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1512 	if (rtlpriv->cfg->ops->get_btc_status())
1513 		rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1514 	else if (rtlpriv->btcoexist.btc_ops)
1515 		rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1516 								      0);
1517 }
1518 
1519 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1520 			  struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1521 			  struct ieee80211_key_conf *key)
1522 {
1523 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1524 	u8 key_type = NO_ENCRYPTION;
1525 	u8 key_idx;
1526 	bool group_key = false;
1527 	bool wep_only = false;
1528 	int err = 0;
1529 	u8 mac_addr[ETH_ALEN];
1530 	u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1531 
1532 	rtlpriv->btcoexist.btc_info.in_4way = false;
1533 
1534 	if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1535 		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1536 			 "not open hw encryption\n");
1537 		return -ENOSPC;	/*User disabled HW-crypto */
1538 	}
1539 	/* To support IBSS, use sw-crypto for GTK */
1540 	if ((vif->type == NL80211_IFTYPE_ADHOC ||
1541 	     vif->type == NL80211_IFTYPE_MESH_POINT) &&
1542 	    !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1543 		return -ENOSPC;
1544 	RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1545 		 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1546 		  cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1547 		  sta ? sta->addr : bcast_addr);
1548 	rtlpriv->sec.being_setkey = true;
1549 	rtl_ips_nic_on(hw);
1550 	mutex_lock(&rtlpriv->locks.conf_mutex);
1551 	/* <1> get encryption alg */
1552 
1553 	switch (key->cipher) {
1554 	case WLAN_CIPHER_SUITE_WEP40:
1555 		key_type = WEP40_ENCRYPTION;
1556 		RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1557 		break;
1558 	case WLAN_CIPHER_SUITE_WEP104:
1559 		RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1560 		key_type = WEP104_ENCRYPTION;
1561 		break;
1562 	case WLAN_CIPHER_SUITE_TKIP:
1563 		key_type = TKIP_ENCRYPTION;
1564 		RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1565 		break;
1566 	case WLAN_CIPHER_SUITE_CCMP:
1567 		key_type = AESCCMP_ENCRYPTION;
1568 		RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1569 		break;
1570 	case WLAN_CIPHER_SUITE_AES_CMAC:
1571 		/* HW don't support CMAC encryption,
1572 		 * use software CMAC encryption
1573 		 */
1574 		key_type = AESCMAC_ENCRYPTION;
1575 		RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1576 		RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1577 			 "HW don't support CMAC encryption, use software CMAC encryption\n");
1578 		err = -EOPNOTSUPP;
1579 		goto out_unlock;
1580 	default:
1581 		pr_err("alg_err:%x!!!!:\n", key->cipher);
1582 		goto out_unlock;
1583 	}
1584 	if (key_type == WEP40_ENCRYPTION ||
1585 	   key_type == WEP104_ENCRYPTION ||
1586 	   vif->type == NL80211_IFTYPE_ADHOC)
1587 		rtlpriv->sec.use_defaultkey = true;
1588 
1589 	/* <2> get key_idx */
1590 	key_idx = (u8) (key->keyidx);
1591 	if (key_idx > 3)
1592 		goto out_unlock;
1593 	/* <3> if pairwise key enable_hw_sec */
1594 	group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1595 
1596 	/* wep always be group key, but there are two conditions:
1597 	 * 1) wep only: is just for wep enc, in this condition
1598 	 * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1599 	 * will be true & enable_hw_sec will be set when wep
1600 	 * ke setting.
1601 	 * 2) wep(group) + AES(pairwise): some AP like cisco
1602 	 * may use it, in this condition enable_hw_sec will not
1603 	 * be set when wep key setting */
1604 	/* we must reset sec_info after lingked before set key,
1605 	 * or some flag will be wrong*/
1606 	if (vif->type == NL80211_IFTYPE_AP ||
1607 		vif->type == NL80211_IFTYPE_MESH_POINT) {
1608 		if (!group_key || key_type == WEP40_ENCRYPTION ||
1609 			key_type == WEP104_ENCRYPTION) {
1610 			if (group_key)
1611 				wep_only = true;
1612 			rtlpriv->cfg->ops->enable_hw_sec(hw);
1613 		}
1614 	} else {
1615 		if (!group_key || vif->type == NL80211_IFTYPE_ADHOC ||
1616 		    rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1617 			if (rtlpriv->sec.pairwise_enc_algorithm ==
1618 			    NO_ENCRYPTION &&
1619 			   (key_type == WEP40_ENCRYPTION ||
1620 			    key_type == WEP104_ENCRYPTION))
1621 				wep_only = true;
1622 			rtlpriv->sec.pairwise_enc_algorithm = key_type;
1623 			RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1624 				 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1625 				 key_type);
1626 			rtlpriv->cfg->ops->enable_hw_sec(hw);
1627 		}
1628 	}
1629 	/* <4> set key based on cmd */
1630 	switch (cmd) {
1631 	case SET_KEY:
1632 		if (wep_only) {
1633 			RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1634 				 "set WEP(group/pairwise) key\n");
1635 			/* Pairwise key with an assigned MAC address. */
1636 			rtlpriv->sec.pairwise_enc_algorithm = key_type;
1637 			rtlpriv->sec.group_enc_algorithm = key_type;
1638 			/*set local buf about wep key. */
1639 			memcpy(rtlpriv->sec.key_buf[key_idx],
1640 			       key->key, key->keylen);
1641 			rtlpriv->sec.key_len[key_idx] = key->keylen;
1642 			eth_zero_addr(mac_addr);
1643 		} else if (group_key) {	/* group key */
1644 			RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1645 				 "set group key\n");
1646 			/* group key */
1647 			rtlpriv->sec.group_enc_algorithm = key_type;
1648 			/*set local buf about group key. */
1649 			memcpy(rtlpriv->sec.key_buf[key_idx],
1650 			       key->key, key->keylen);
1651 			rtlpriv->sec.key_len[key_idx] = key->keylen;
1652 			memcpy(mac_addr, bcast_addr, ETH_ALEN);
1653 		} else {	/* pairwise key */
1654 			RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1655 				 "set pairwise key\n");
1656 			if (!sta) {
1657 				WARN_ONCE(true,
1658 					  "rtlwifi: pairwise key without mac_addr\n");
1659 
1660 				err = -EOPNOTSUPP;
1661 				goto out_unlock;
1662 			}
1663 			/* Pairwise key with an assigned MAC address. */
1664 			rtlpriv->sec.pairwise_enc_algorithm = key_type;
1665 			/*set local buf about pairwise key. */
1666 			memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1667 			       key->key, key->keylen);
1668 			rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1669 			rtlpriv->sec.pairwise_key =
1670 			    rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1671 			memcpy(mac_addr, sta->addr, ETH_ALEN);
1672 		}
1673 		rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1674 					   group_key, key_type, wep_only,
1675 					   false);
1676 		/* <5> tell mac80211 do something: */
1677 		/*must use sw generate IV, or can not work !!!!. */
1678 		key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1679 		key->hw_key_idx = key_idx;
1680 		if (key_type == TKIP_ENCRYPTION)
1681 			key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1682 		/*use software CCMP encryption for management frames (MFP) */
1683 		if (key_type == AESCCMP_ENCRYPTION)
1684 			key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1685 		break;
1686 	case DISABLE_KEY:
1687 		RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1688 			 "disable key delete one entry\n");
1689 		/*set local buf about wep key. */
1690 		if (vif->type == NL80211_IFTYPE_AP ||
1691 			vif->type == NL80211_IFTYPE_MESH_POINT) {
1692 			if (sta)
1693 				rtl_cam_del_entry(hw, sta->addr);
1694 		}
1695 		memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1696 		rtlpriv->sec.key_len[key_idx] = 0;
1697 		eth_zero_addr(mac_addr);
1698 		/*
1699 		 *mac80211 will delete entrys one by one,
1700 		 *so don't use rtl_cam_reset_all_entry
1701 		 *or clear all entry here.
1702 		 */
1703 		rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */
1704 
1705 		rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1706 		break;
1707 	default:
1708 		pr_err("cmd_err:%x!!!!:\n", cmd);
1709 	}
1710 out_unlock:
1711 	mutex_unlock(&rtlpriv->locks.conf_mutex);
1712 	rtlpriv->sec.being_setkey = false;
1713 	return err;
1714 }
1715 
1716 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1717 {
1718 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1719 
1720 	bool radio_state;
1721 	bool blocked;
1722 	u8 valid = 0;
1723 
1724 	if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1725 		return;
1726 
1727 	mutex_lock(&rtlpriv->locks.conf_mutex);
1728 
1729 	/*if Radio On return true here */
1730 	radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1731 
1732 	if (valid) {
1733 		if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1734 			rtlpriv->rfkill.rfkill_state = radio_state;
1735 
1736 			RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1737 				 "wireless radio switch turned %s\n",
1738 				  radio_state ? "on" : "off");
1739 
1740 			blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1741 			wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1742 		}
1743 	}
1744 
1745 	mutex_unlock(&rtlpriv->locks.conf_mutex);
1746 }
1747 
1748 /* this function is called by mac80211 to flush tx buffer
1749  * before switch channle or power save, or tx buffer packet
1750  * maybe send after offchannel or rf sleep, this may cause
1751  * dis-association by AP */
1752 static void rtl_op_flush(struct ieee80211_hw *hw,
1753 			 struct ieee80211_vif *vif,
1754 			 u32 queues,
1755 			 bool drop)
1756 {
1757 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1758 
1759 	if (rtlpriv->intf_ops->flush)
1760 		rtlpriv->intf_ops->flush(hw, queues, drop);
1761 }
1762 
1763 /*	Description:
1764  *		This routine deals with the Power Configuration CMD
1765  *		 parsing for RTL8723/RTL8188E Series IC.
1766  *	Assumption:
1767  *		We should follow specific format that was released from HW SD.
1768  */
1769 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1770 			      u8 faversion, u8 interface_type,
1771 			      struct wlan_pwr_cfg pwrcfgcmd[])
1772 {
1773 	struct wlan_pwr_cfg cfg_cmd;
1774 	bool polling_bit = false;
1775 	u32 ary_idx = 0;
1776 	u8 value = 0;
1777 	u32 offset = 0;
1778 	u32 polling_count = 0;
1779 	u32 max_polling_cnt = 5000;
1780 
1781 	do {
1782 		cfg_cmd = pwrcfgcmd[ary_idx];
1783 		RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1784 			 "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1785 			 GET_PWR_CFG_OFFSET(cfg_cmd),
1786 					    GET_PWR_CFG_CUT_MASK(cfg_cmd),
1787 			 GET_PWR_CFG_FAB_MASK(cfg_cmd),
1788 					      GET_PWR_CFG_INTF_MASK(cfg_cmd),
1789 			 GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1790 			 GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1791 
1792 		if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1793 		    (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1794 		    (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1795 			switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1796 			case PWR_CMD_READ:
1797 				RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1798 					"rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1799 				break;
1800 			case PWR_CMD_WRITE:
1801 				RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1802 					 "%s(): PWR_CMD_WRITE\n", __func__);
1803 				offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1804 
1805 				/*Read the value from system register*/
1806 				value = rtl_read_byte(rtlpriv, offset);
1807 				value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1808 				value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1809 					  GET_PWR_CFG_MASK(cfg_cmd));
1810 
1811 				/*Write the value back to sytem register*/
1812 				rtl_write_byte(rtlpriv, offset, value);
1813 				break;
1814 			case PWR_CMD_POLLING:
1815 				RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1816 					"rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1817 				polling_bit = false;
1818 				offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1819 
1820 				do {
1821 					value = rtl_read_byte(rtlpriv, offset);
1822 
1823 					value &= GET_PWR_CFG_MASK(cfg_cmd);
1824 					if (value ==
1825 					    (GET_PWR_CFG_VALUE(cfg_cmd) &
1826 					     GET_PWR_CFG_MASK(cfg_cmd)))
1827 						polling_bit = true;
1828 					else
1829 						udelay(10);
1830 
1831 					if (polling_count++ > max_polling_cnt)
1832 						return false;
1833 				} while (!polling_bit);
1834 				break;
1835 			case PWR_CMD_DELAY:
1836 				RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1837 					 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n");
1838 				if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1839 				    PWRSEQ_DELAY_US)
1840 					udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1841 				else
1842 					mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1843 				break;
1844 			case PWR_CMD_END:
1845 				RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1846 					 "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n");
1847 				return true;
1848 			default:
1849 				WARN_ONCE(true,
1850 					  "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1851 				break;
1852 			}
1853 		}
1854 		ary_idx++;
1855 	} while (1);
1856 
1857 	return true;
1858 }
1859 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1860 
1861 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1862 {
1863 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1864 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1865 	struct rtl8192_tx_ring *ring;
1866 	struct rtl_tx_desc *pdesc;
1867 	unsigned long flags;
1868 	struct sk_buff *pskb = NULL;
1869 
1870 	ring = &rtlpci->tx_ring[BEACON_QUEUE];
1871 
1872 	spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1873 	pskb = __skb_dequeue(&ring->queue);
1874 	if (pskb)
1875 		dev_kfree_skb_irq(pskb);
1876 
1877 	/*this is wrong, fill_tx_cmddesc needs update*/
1878 	pdesc = &ring->desc[0];
1879 
1880 	rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1881 
1882 	__skb_queue_tail(&ring->queue, skb);
1883 
1884 	spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1885 
1886 	rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1887 
1888 	return true;
1889 }
1890 EXPORT_SYMBOL(rtl_cmd_send_packet);
1891 const struct ieee80211_ops rtl_ops = {
1892 	.start = rtl_op_start,
1893 	.stop = rtl_op_stop,
1894 	.tx = rtl_op_tx,
1895 	.add_interface = rtl_op_add_interface,
1896 	.remove_interface = rtl_op_remove_interface,
1897 	.change_interface = rtl_op_change_interface,
1898 #ifdef CONFIG_PM
1899 	.suspend = rtl_op_suspend,
1900 	.resume = rtl_op_resume,
1901 #endif
1902 	.config = rtl_op_config,
1903 	.configure_filter = rtl_op_configure_filter,
1904 	.set_key = rtl_op_set_key,
1905 	.conf_tx = rtl_op_conf_tx,
1906 	.bss_info_changed = rtl_op_bss_info_changed,
1907 	.get_tsf = rtl_op_get_tsf,
1908 	.set_tsf = rtl_op_set_tsf,
1909 	.reset_tsf = rtl_op_reset_tsf,
1910 	.sta_notify = rtl_op_sta_notify,
1911 	.ampdu_action = rtl_op_ampdu_action,
1912 	.sw_scan_start = rtl_op_sw_scan_start,
1913 	.sw_scan_complete = rtl_op_sw_scan_complete,
1914 	.rfkill_poll = rtl_op_rfkill_poll,
1915 	.sta_add = rtl_op_sta_add,
1916 	.sta_remove = rtl_op_sta_remove,
1917 	.flush = rtl_op_flush,
1918 };
1919 EXPORT_SYMBOL_GPL(rtl_ops);
1920 
1921 bool rtl_btc_status_false(void)
1922 {
1923 	return false;
1924 }
1925 EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1926 
1927 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1928 {
1929 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1930 	struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1931 
1932 	dm_digtable->dig_enable_flag = true;
1933 	dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1934 	dm_digtable->cur_igvalue = cur_igvalue;
1935 	dm_digtable->pre_igvalue = 0;
1936 	dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1937 	dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1938 	dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1939 	dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1940 	dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1941 	dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1942 	dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1943 	dm_digtable->rx_gain_max = DM_DIG_MAX;
1944 	dm_digtable->rx_gain_min = DM_DIG_MIN;
1945 	dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1946 	dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1947 	dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1948 	dm_digtable->pre_cck_cca_thres = 0xff;
1949 	dm_digtable->cur_cck_cca_thres = 0x83;
1950 	dm_digtable->forbidden_igi = DM_DIG_MIN;
1951 	dm_digtable->large_fa_hit = 0;
1952 	dm_digtable->recover_cnt = 0;
1953 	dm_digtable->dig_min_0 = 0x25;
1954 	dm_digtable->dig_min_1 = 0x25;
1955 	dm_digtable->media_connect_0 = false;
1956 	dm_digtable->media_connect_1 = false;
1957 	rtlpriv->dm.dm_initialgain_enable = true;
1958 	dm_digtable->bt30_cur_igi = 0x32;
1959 	dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1960 	dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1961 }
1962 EXPORT_SYMBOL(rtl_dm_diginit);
1963