1	// SPDX-License-Identifier: GPL-2.0
2	/* Copyright(c) 2009-2012 Realtek Corporation.*/
3
4	#include "wifi.h"
5	#include "rc.h"
6	#include "base.h"
7	#include "efuse.h"
8	#include "cam.h"
9	#include "ps.h"
10	#include "regd.h"
11	#include "pci.h"
12	#include <linux/ip.h>
13	#include <linux/module.h>
14	#include <linux/udp.h>
15
16	/*
17	*NOTICE!!!: This file will be very big, we should
18	*keep it clear under following roles:
19	*
20	*This file include following parts, so, if you add new
21	*functions into this file, please check which part it
22	*should includes. or check if you should add new part
23	*for this file:
24	*
25	*1) mac80211 init functions
26	*2) tx information functions
27	*3) functions called by core.c
28	*4) wq & timer callback functions
29	*5) frame process functions
30	*6) IOT functions
31	*7) sysfs functions
32	*8) vif functions
33	*9) ...
34	*/
35
36	/*********************************************************
37	*
38	* mac80211 init functions
39	*
40	*********************************************************/
41	static struct ieee80211_channel rtl_channeltable_2g[] = {
42	{.center_freq = 2412, .hw_value = 1,},
43	{.center_freq = 2417, .hw_value = 2,},
44	{.center_freq = 2422, .hw_value = 3,},
45	{.center_freq = 2427, .hw_value = 4,},
46	{.center_freq = 2432, .hw_value = 5,},
47	{.center_freq = 2437, .hw_value = 6,},
48	{.center_freq = 2442, .hw_value = 7,},
49	{.center_freq = 2447, .hw_value = 8,},
50	{.center_freq = 2452, .hw_value = 9,},
51	{.center_freq = 2457, .hw_value = 10,},
52	{.center_freq = 2462, .hw_value = 11,},
53	{.center_freq = 2467, .hw_value = 12,},
54	{.center_freq = 2472, .hw_value = 13,},
55	{.center_freq = 2484, .hw_value = 14,},
56	};
57
58	static struct ieee80211_channel rtl_channeltable_5g[] = {
59	{.center_freq = 5180, .hw_value = 36,},
60	{.center_freq = 5200, .hw_value = 40,},
61	{.center_freq = 5220, .hw_value = 44,},
62	{.center_freq = 5240, .hw_value = 48,},
63	{.center_freq = 5260, .hw_value = 52,},
64	{.center_freq = 5280, .hw_value = 56,},
65	{.center_freq = 5300, .hw_value = 60,},
66	{.center_freq = 5320, .hw_value = 64,},
67	{.center_freq = 5500, .hw_value = 100,},
68	{.center_freq = 5520, .hw_value = 104,},
69	{.center_freq = 5540, .hw_value = 108,},
70	{.center_freq = 5560, .hw_value = 112,},
71	{.center_freq = 5580, .hw_value = 116,},
72	{.center_freq = 5600, .hw_value = 120,},
73	{.center_freq = 5620, .hw_value = 124,},
74	{.center_freq = 5640, .hw_value = 128,},
75	{.center_freq = 5660, .hw_value = 132,},
76	{.center_freq = 5680, .hw_value = 136,},
77	{.center_freq = 5700, .hw_value = 140,},
78	{.center_freq = 5745, .hw_value = 149,},
79	{.center_freq = 5765, .hw_value = 153,},
80	{.center_freq = 5785, .hw_value = 157,},
81	{.center_freq = 5805, .hw_value = 161,},
82	{.center_freq = 5825, .hw_value = 165,},
83	};
84
85	static struct ieee80211_rate rtl_ratetable_2g[] = {
86	{.bitrate = 10, .hw_value = 0x00,},
87	{.bitrate = 20, .hw_value = 0x01,},
88	{.bitrate = 55, .hw_value = 0x02,},
89	{.bitrate = 110, .hw_value = 0x03,},
90	{.bitrate = 60, .hw_value = 0x04,},
91	{.bitrate = 90, .hw_value = 0x05,},
92	{.bitrate = 120, .hw_value = 0x06,},
93	{.bitrate = 180, .hw_value = 0x07,},
94	{.bitrate = 240, .hw_value = 0x08,},
95	{.bitrate = 360, .hw_value = 0x09,},
96	{.bitrate = 480, .hw_value = 0x0a,},
97	{.bitrate = 540, .hw_value = 0x0b,},
98	};
99
100	static struct ieee80211_rate rtl_ratetable_5g[] = {
101	{.bitrate = 60, .hw_value = 0x04,},
102	{.bitrate = 90, .hw_value = 0x05,},
103	{.bitrate = 120, .hw_value = 0x06,},
104	{.bitrate = 180, .hw_value = 0x07,},
105	{.bitrate = 240, .hw_value = 0x08,},
106	{.bitrate = 360, .hw_value = 0x09,},
107	{.bitrate = 480, .hw_value = 0x0a,},
108	{.bitrate = 540, .hw_value = 0x0b,},
109	};
110
111	static const struct ieee80211_supported_band rtl_band_2ghz = {
112	.band = NL80211_BAND_2GHZ,
113
114	.channels = rtl_channeltable_2g,
115	.n_channels = ARRAY_SIZE(rtl_channeltable_2g),
116
117	.bitrates = rtl_ratetable_2g,
118	.n_bitrates = ARRAY_SIZE(rtl_ratetable_2g),
119
120	.ht_cap = {0},
121	};
122
123	static struct ieee80211_supported_band rtl_band_5ghz = {
124	.band = NL80211_BAND_5GHZ,
125
126	.channels = rtl_channeltable_5g,
127	.n_channels = ARRAY_SIZE(rtl_channeltable_5g),
128
129	.bitrates = rtl_ratetable_5g,
130	.n_bitrates = ARRAY_SIZE(rtl_ratetable_5g),
131
132	.ht_cap = {0},
133	};
134
135	static const u8 tid_to_ac[] = {
136	2, /* IEEE80211_AC_BE */
137	3, /* IEEE80211_AC_BK */
138	3, /* IEEE80211_AC_BK */
139	2, /* IEEE80211_AC_BE */
140	1, /* IEEE80211_AC_VI */
141	1, /* IEEE80211_AC_VI */
142	0, /* IEEE80211_AC_VO */
143	0, /* IEEE80211_AC_VO */
144	};
145
146	u8 rtl_tid_to_ac(u8 tid)
147	{
148	return tid_to_ac[tid];
149	}
150	EXPORT_SYMBOL_GPL(rtl_tid_to_ac);
151
152	static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
153	struct ieee80211_sta_ht_cap *ht_cap)
154	{
155	struct rtl_priv *rtlpriv = rtl_priv(hw);
156	struct rtl_phy *rtlphy = &(rtlpriv->phy);
157
158	ht_cap->ht_supported = true;
159	ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
160	IEEE80211_HT_CAP_SGI_40 |
161	IEEE80211_HT_CAP_SGI_20 |
162	IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
163
164	if (rtlpriv->rtlhal.disable_amsdu_8k)
165	ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
166
167	/*
168	*Maximum length of AMPDU that the STA can receive.
169	*Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
170	*/
171	ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
172
173	/*Minimum MPDU start spacing , */
174	ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
175
176	ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
177
178	/*hw->wiphy->bands[NL80211_BAND_2GHZ]
179	*base on ant_num
180	*rx_mask: RX mask
181	*if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
182	*if rx_ant = 2 rx_mask[1]= 0xff;==>MCS8-MCS15
183	*if rx_ant >= 3 rx_mask[2]= 0xff;
184	*if BW_40 rx_mask[4]= 0x01;
185	*highest supported RX rate
186	*/
187	if (rtlpriv->dm.supp_phymode_switch) {
188	pr_info("Support phy mode switch\n");
189
190	ht_cap->mcs.rx_mask[0] = 0xFF;
191	ht_cap->mcs.rx_mask[1] = 0xFF;
192	ht_cap->mcs.rx_mask[4] = 0x01;
193
194	ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
195	} else {
196	if (get_rf_type(rtlphy) == RF_1T2R ||
197	get_rf_type(rtlphy) == RF_2T2R) {
198	rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
199	"1T2R or 2T2R\n");
200	ht_cap->mcs.rx_mask[0] = 0xFF;
201	ht_cap->mcs.rx_mask[1] = 0xFF;
202	ht_cap->mcs.rx_mask[4] = 0x01;
203
204	ht_cap->mcs.rx_highest =
205	cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
206	} else if (get_rf_type(rtlphy) == RF_1T1R) {
207	rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n");
208
209	ht_cap->mcs.rx_mask[0] = 0xFF;
210	ht_cap->mcs.rx_mask[1] = 0x00;
211	ht_cap->mcs.rx_mask[4] = 0x01;
212
213	ht_cap->mcs.rx_highest =
214	cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
215	}
216	}
217	}
218
219	static void _rtl_init_hw_vht_capab(struct ieee80211_hw *hw,
220	struct ieee80211_sta_vht_cap *vht_cap)
221	{
222	struct rtl_priv *rtlpriv = rtl_priv(hw);
223	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
224
225	if (!(rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT))
226	return;
227
228	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE ||
229	rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) {
230	u16 mcs_map;
231
232	vht_cap->vht_supported = true;
233	vht_cap->cap =
234	IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
235	IEEE80211_VHT_CAP_SHORT_GI_80 |
236	IEEE80211_VHT_CAP_TXSTBC |
237	IEEE80211_VHT_CAP_RXSTBC_1 |
238	IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
239	IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
240	IEEE80211_VHT_CAP_HTC_VHT |
241	IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
242	IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
243	IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
244	0;
245
246	mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
247	IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
248	IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
249	IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
250	IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
251	IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
252	IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
253	IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
254
255	vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
256	vht_cap->vht_mcs.rx_highest =
257	cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
258	vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
259	vht_cap->vht_mcs.tx_highest =
260	cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
261	} else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
262	u16 mcs_map;
263
264	vht_cap->vht_supported = true;
265	vht_cap->cap =
266	IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
267	IEEE80211_VHT_CAP_SHORT_GI_80 |
268	IEEE80211_VHT_CAP_TXSTBC |
269	IEEE80211_VHT_CAP_RXSTBC_1 |
270	IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
271	IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
272	IEEE80211_VHT_CAP_HTC_VHT |
273	IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
274	IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
275	IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
276	0;
277
278	mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
279	IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 |
280	IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
281	IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
282	IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
283	IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
284	IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
285	IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
286
287	vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
288	vht_cap->vht_mcs.rx_highest =
289	cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
290	vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
291	vht_cap->vht_mcs.tx_highest =
292	cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
293	}
294	}
295
296	static void _rtl_init_mac80211(struct ieee80211_hw *hw)
297	{
298	struct rtl_priv *rtlpriv = rtl_priv(hw);
299	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
300	struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
301	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
302	struct ieee80211_supported_band *sband;
303
304	if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY &&
305	rtlhal->bandset == BAND_ON_BOTH) {
306	/* 1: 2.4 G bands */
307	/* <1> use mac->bands as mem for hw->wiphy->bands */
308	sband = &(rtlmac->bands[NL80211_BAND_2GHZ]);
309
310	/* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ]
311	* to default value(1T1R) */
312	memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]), &rtl_band_2ghz,
313	sizeof(struct ieee80211_supported_band));
314
315	/* <3> init ht cap base on ant_num */
316	_rtl_init_hw_ht_capab(hw, ht_cap: &sband->ht_cap);
317
318	/* <4> set mac->sband to wiphy->sband */
319	hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
320
321	/* 2: 5 G bands */
322	/* <1> use mac->bands as mem for hw->wiphy->bands */
323	sband = &(rtlmac->bands[NL80211_BAND_5GHZ]);
324
325	/* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ]
326	* to default value(1T1R) */
327	memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]), &rtl_band_5ghz,
328	sizeof(struct ieee80211_supported_band));
329
330	/* <3> init ht cap base on ant_num */
331	_rtl_init_hw_ht_capab(hw, ht_cap: &sband->ht_cap);
332
333	_rtl_init_hw_vht_capab(hw, vht_cap: &sband->vht_cap);
334	/* <4> set mac->sband to wiphy->sband */
335	hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
336	} else {
337	if (rtlhal->current_bandtype == BAND_ON_2_4G) {
338	/* <1> use mac->bands as mem for hw->wiphy->bands */
339	sband = &(rtlmac->bands[NL80211_BAND_2GHZ]);
340
341	/* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ]
342	* to default value(1T1R) */
343	memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]),
344	&rtl_band_2ghz,
345	sizeof(struct ieee80211_supported_band));
346
347	/* <3> init ht cap base on ant_num */
348	_rtl_init_hw_ht_capab(hw, ht_cap: &sband->ht_cap);
349
350	/* <4> set mac->sband to wiphy->sband */
351	hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
352	} else if (rtlhal->current_bandtype == BAND_ON_5G) {
353	/* <1> use mac->bands as mem for hw->wiphy->bands */
354	sband = &(rtlmac->bands[NL80211_BAND_5GHZ]);
355
356	/* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ]
357	* to default value(1T1R) */
358	memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]),
359	&rtl_band_5ghz,
360	sizeof(struct ieee80211_supported_band));
361
362	/* <3> init ht cap base on ant_num */
363	_rtl_init_hw_ht_capab(hw, ht_cap: &sband->ht_cap);
364
365	_rtl_init_hw_vht_capab(hw, vht_cap: &sband->vht_cap);
366	/* <4> set mac->sband to wiphy->sband */
367	hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
368	} else {
369	pr_err("Err BAND %d\n",
370	rtlhal->current_bandtype);
371	}
372	}
373	/* <5> set hw caps */
374	ieee80211_hw_set(hw, SIGNAL_DBM);
375	ieee80211_hw_set(hw, RX_INCLUDES_FCS);
376	ieee80211_hw_set(hw, AMPDU_AGGREGATION);
377	ieee80211_hw_set(hw, MFP_CAPABLE);
378	ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
379	ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
380	ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
381
382	/* swlps or hwlps has been set in diff chip in init_sw_vars */
383	if (rtlpriv->psc.swctrl_lps) {
384	ieee80211_hw_set(hw, SUPPORTS_PS);
385	ieee80211_hw_set(hw, PS_NULLFUNC_STACK);
386	}
387	if (rtlpriv->psc.fwctrl_lps) {
388	ieee80211_hw_set(hw, SUPPORTS_PS);
389	ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
390	}
391	hw->wiphy->interface_modes =
392	BIT(NL80211_IFTYPE_AP) |
393	BIT(NL80211_IFTYPE_STATION) |
394	BIT(NL80211_IFTYPE_ADHOC) |
395	BIT(NL80211_IFTYPE_MESH_POINT) |
396	BIT(NL80211_IFTYPE_P2P_CLIENT) |
397	BIT(NL80211_IFTYPE_P2P_GO);
398	hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
399
400	hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
401
402	hw->wiphy->rts_threshold = 2347;
403
404	hw->queues = AC_MAX;
405	hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
406
407	/* TODO: Correct this value for our hw */
408	hw->max_listen_interval = MAX_LISTEN_INTERVAL;
409	hw->max_rate_tries = MAX_RATE_TRIES;
410	/* hw->max_rates = 1; */
411	hw->sta_data_size = sizeof(struct rtl_sta_info);
412
413	/* wowlan is not supported by kernel if CONFIG_PM is not defined */
414	#ifdef CONFIG_PM
415	if (rtlpriv->psc.wo_wlan_mode) {
416	if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET)
417	rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT;
418	if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) {
419	rtlpriv->wowlan.n_patterns =
420	MAX_SUPPORT_WOL_PATTERN_NUM;
421	rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE;
422	rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE;
423	}
424	hw->wiphy->wowlan = &rtlpriv->wowlan;
425	}
426	#endif
427
428	/* <6> mac address */
429	if (is_valid_ether_addr(addr: rtlefuse->dev_addr)) {
430	SET_IEEE80211_PERM_ADDR(hw, addr: rtlefuse->dev_addr);
431	} else {
432	u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
433
434	get_random_bytes(buf: (rtlmac1 + (ETH_ALEN - 1)), len: 1);
435	SET_IEEE80211_PERM_ADDR(hw, addr: rtlmac1);
436	}
437	}
438
439	static void rtl_watchdog_wq_callback(struct work_struct *work);
440	static void rtl_fwevt_wq_callback(struct work_struct *work);
441	static void rtl_c2hcmd_wq_callback(struct work_struct *work);
442
443	static int _rtl_init_deferred_work(struct ieee80211_hw *hw)
444	{
445	struct rtl_priv *rtlpriv = rtl_priv(hw);
446	struct workqueue_struct *wq;
447
448	wq = alloc_workqueue(fmt: "%s", flags: 0, max_active: 0, rtlpriv->cfg->name);
449	if (!wq)
450	return -ENOMEM;
451
452	/* <1> timer */
453	timer_setup(&rtlpriv->works.watchdog_timer,
454	rtl_watch_dog_timer_callback, 0);
455
456	/* <2> work queue */
457	rtlpriv->works.hw = hw;
458	rtlpriv->works.rtl_wq = wq;
459
460	INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
461	rtl_watchdog_wq_callback);
462	INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
463	rtl_ips_nic_off_wq_callback);
464	INIT_DELAYED_WORK(&rtlpriv->works.ps_work, rtl_swlps_wq_callback);
465	INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
466	rtl_swlps_rfon_wq_callback);
467	INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, rtl_fwevt_wq_callback);
468	INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq, rtl_c2hcmd_wq_callback);
469	return 0;
470	}
471
472	void rtl_deinit_deferred_work(struct ieee80211_hw *hw, bool ips_wq)
473	{
474	struct rtl_priv *rtlpriv = rtl_priv(hw);
475
476	del_timer_sync(timer: &rtlpriv->works.watchdog_timer);
477
478	cancel_delayed_work_sync(dwork: &rtlpriv->works.watchdog_wq);
479	if (ips_wq)
480	cancel_delayed_work(dwork: &rtlpriv->works.ips_nic_off_wq);
481	else
482	cancel_delayed_work_sync(dwork: &rtlpriv->works.ips_nic_off_wq);
483	cancel_delayed_work_sync(dwork: &rtlpriv->works.ps_work);
484	cancel_delayed_work_sync(dwork: &rtlpriv->works.ps_rfon_wq);
485	cancel_delayed_work_sync(dwork: &rtlpriv->works.fwevt_wq);
486	cancel_delayed_work_sync(dwork: &rtlpriv->works.c2hcmd_wq);
487	}
488	EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work);
489
490	void rtl_init_rfkill(struct ieee80211_hw *hw)
491	{
492	struct rtl_priv *rtlpriv = rtl_priv(hw);
493
494	bool radio_state;
495	bool blocked;
496	u8 valid = 0;
497
498	/*set init state to on */
499	rtlpriv->rfkill.rfkill_state = true;
500	wiphy_rfkill_set_hw_state(wiphy: hw->wiphy, blocked: 0);
501
502	radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
503
504	if (valid) {
505	pr_info("rtlwifi: wireless switch is %s\n",
506	rtlpriv->rfkill.rfkill_state ? "on" : "off");
507
508	rtlpriv->rfkill.rfkill_state = radio_state;
509
510	blocked = rtlpriv->rfkill.rfkill_state != 1;
511	wiphy_rfkill_set_hw_state(wiphy: hw->wiphy, blocked);
512	}
513
514	wiphy_rfkill_start_polling(wiphy: hw->wiphy);
515	}
516	EXPORT_SYMBOL(rtl_init_rfkill);
517
518	void rtl_deinit_rfkill(struct ieee80211_hw *hw)
519	{
520	wiphy_rfkill_stop_polling(wiphy: hw->wiphy);
521	}
522	EXPORT_SYMBOL_GPL(rtl_deinit_rfkill);
523
524	int rtl_init_core(struct ieee80211_hw *hw)
525	{
526	struct rtl_priv *rtlpriv = rtl_priv(hw);
527	struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
528
529	/* <1> init mac80211 */
530	_rtl_init_mac80211(hw);
531	rtlmac->hw = hw;
532
533	/* <2> rate control register */
534	hw->rate_control_algorithm = "rtl_rc";
535
536	/*
537	* <3> init CRDA must come after init
538	* mac80211 hw in _rtl_init_mac80211.
539	*/
540	if (rtl_regd_init(hw, reg_notifier: rtl_reg_notifier)) {
541	pr_err("REGD init failed\n");
542	return 1;
543	}
544
545	/* <4> locks */
546	mutex_init(&rtlpriv->locks.conf_mutex);
547	mutex_init(&rtlpriv->locks.ips_mutex);
548	mutex_init(&rtlpriv->locks.lps_mutex);
549	spin_lock_init(&rtlpriv->locks.irq_th_lock);
550	spin_lock_init(&rtlpriv->locks.h2c_lock);
551	spin_lock_init(&rtlpriv->locks.rf_ps_lock);
552	spin_lock_init(&rtlpriv->locks.rf_lock);
553	spin_lock_init(&rtlpriv->locks.waitq_lock);
554	spin_lock_init(&rtlpriv->locks.entry_list_lock);
555	spin_lock_init(&rtlpriv->locks.scan_list_lock);
556	spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
557	spin_lock_init(&rtlpriv->locks.fw_ps_lock);
558	spin_lock_init(&rtlpriv->locks.iqk_lock);
559	/* <5> init list */
560	INIT_LIST_HEAD(list: &rtlpriv->entry_list);
561	INIT_LIST_HEAD(list: &rtlpriv->scan_list.list);
562	skb_queue_head_init(list: &rtlpriv->tx_report.queue);
563	skb_queue_head_init(list: &rtlpriv->c2hcmd_queue);
564
565	rtlmac->link_state = MAC80211_NOLINK;
566
567	/* <6> init deferred work */
568	return _rtl_init_deferred_work(hw);
569	}
570	EXPORT_SYMBOL_GPL(rtl_init_core);
571
572	static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw);
573	static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw,
574	bool timeout);
575
576	void rtl_deinit_core(struct ieee80211_hw *hw)
577	{
578	rtl_c2hcmd_launcher(hw, exec: 0);
579	rtl_free_entries_from_scan_list(hw);
580	rtl_free_entries_from_ack_queue(hw, timeout: false);
581	}
582	EXPORT_SYMBOL_GPL(rtl_deinit_core);
583
584	void rtl_init_rx_config(struct ieee80211_hw *hw)
585	{
586	struct rtl_priv *rtlpriv = rtl_priv(hw);
587	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
588
589	rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
590	}
591	EXPORT_SYMBOL_GPL(rtl_init_rx_config);
592
593	/*********************************************************
594	*
595	* tx information functions
596	*
597	*********************************************************/
598	static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
599	struct rtl_tcb_desc *tcb_desc,
600	struct ieee80211_tx_info *info)
601	{
602	struct rtl_priv *rtlpriv = rtl_priv(hw);
603	u8 rate_flag = info->control.rates[0].flags;
604
605	tcb_desc->use_shortpreamble = false;
606
607	/* 1M can only use Long Preamble. 11B spec */
608	if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
609	return;
610	else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
611	tcb_desc->use_shortpreamble = true;
612
613	return;
614	}
615
616	static void _rtl_query_shortgi(struct ieee80211_hw *hw,
617	struct ieee80211_sta *sta,
618	struct rtl_tcb_desc *tcb_desc,
619	struct ieee80211_tx_info *info)
620	{
621	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
622	u8 rate_flag = info->control.rates[0].flags;
623	u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
624	u8 sgi_80 = 0, bw_80 = 0;
625
626	tcb_desc->use_shortgi = false;
627
628	if (sta == NULL)
629	return;
630
631	sgi_40 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
632	sgi_20 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
633	sgi_80 = sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80;
634
635	if (!sta->deflink.ht_cap.ht_supported &&
636	!sta->deflink.vht_cap.vht_supported)
637	return;
638
639	if (!sgi_40 && !sgi_20)
640	return;
641
642	if (mac->opmode == NL80211_IFTYPE_STATION) {
643	bw_40 = mac->bw_40;
644	bw_80 = mac->bw_80;
645	} else if (mac->opmode == NL80211_IFTYPE_AP ||
646	mac->opmode == NL80211_IFTYPE_ADHOC ||
647	mac->opmode == NL80211_IFTYPE_MESH_POINT) {
648	bw_40 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
649	bw_80 = sta->deflink.vht_cap.vht_supported;
650	}
651
652	if (bw_80) {
653	if (sgi_80)
654	tcb_desc->use_shortgi = true;
655	else
656	tcb_desc->use_shortgi = false;
657	} else {
658	if (bw_40 && sgi_40)
659	tcb_desc->use_shortgi = true;
660	else if (!bw_40 && sgi_20)
661	tcb_desc->use_shortgi = true;
662	}
663
664	if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
665	tcb_desc->use_shortgi = false;
666	}
667
668	static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
669	struct rtl_tcb_desc *tcb_desc,
670	struct ieee80211_tx_info *info)
671	{
672	struct rtl_priv *rtlpriv = rtl_priv(hw);
673	u8 rate_flag = info->control.rates[0].flags;
674
675	/* Common Settings */
676	tcb_desc->rts_stbc = false;
677	tcb_desc->cts_enable = false;
678	tcb_desc->rts_sc = 0;
679	tcb_desc->rts_bw = false;
680	tcb_desc->rts_use_shortpreamble = false;
681	tcb_desc->rts_use_shortgi = false;
682
683	if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
684	/* Use CTS-to-SELF in protection mode. */
685	tcb_desc->rts_enable = true;
686	tcb_desc->cts_enable = true;
687	tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
688	} else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
689	/* Use RTS-CTS in protection mode. */
690	tcb_desc->rts_enable = true;
691	tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
692	}
693	}
694
695	u8 rtl_mrate_idx_to_arfr_id(struct ieee80211_hw *hw, u8 rate_index,
696	enum wireless_mode wirelessmode)
697	{
698	struct rtl_priv *rtlpriv = rtl_priv(hw);
699	struct rtl_phy *rtlphy = &rtlpriv->phy;
700	u8 ret = 0;
701
702	switch (rate_index) {
703	case RATR_INX_WIRELESS_NGB:
704	if (rtlphy->rf_type == RF_1T1R)
705	ret = RATEID_IDX_BGN_40M_1SS;
706	else
707	ret = RATEID_IDX_BGN_40M_2SS;
708	; break;
709	case RATR_INX_WIRELESS_N:
710	case RATR_INX_WIRELESS_NG:
711	if (rtlphy->rf_type == RF_1T1R)
712	ret = RATEID_IDX_GN_N1SS;
713	else
714	ret = RATEID_IDX_GN_N2SS;
715	; break;
716	case RATR_INX_WIRELESS_NB:
717	if (rtlphy->rf_type == RF_1T1R)
718	ret = RATEID_IDX_BGN_20M_1SS_BN;
719	else
720	ret = RATEID_IDX_BGN_20M_2SS_BN;
721	; break;
722	case RATR_INX_WIRELESS_GB:
723	ret = RATEID_IDX_BG;
724	break;
725	case RATR_INX_WIRELESS_G:
726	ret = RATEID_IDX_G;
727	break;
728	case RATR_INX_WIRELESS_B:
729	ret = RATEID_IDX_B;
730	break;
731	case RATR_INX_WIRELESS_MC:
732	if (wirelessmode == WIRELESS_MODE_B ||
733	wirelessmode == WIRELESS_MODE_G ||
734	wirelessmode == WIRELESS_MODE_N_24G ||
735	wirelessmode == WIRELESS_MODE_AC_24G)
736	ret = RATEID_IDX_BG;
737	else
738	ret = RATEID_IDX_G;
739	break;
740	case RATR_INX_WIRELESS_AC_5N:
741	if (rtlphy->rf_type == RF_1T1R)
742	ret = RATEID_IDX_VHT_1SS;
743	else
744	ret = RATEID_IDX_VHT_2SS;
745	break;
746	case RATR_INX_WIRELESS_AC_24N:
747	if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
748	if (rtlphy->rf_type == RF_1T1R)
749	ret = RATEID_IDX_VHT_1SS;
750	else
751	ret = RATEID_IDX_VHT_2SS;
752	} else {
753	if (rtlphy->rf_type == RF_1T1R)
754	ret = RATEID_IDX_MIX1;
755	else
756	ret = RATEID_IDX_MIX2;
757	}
758	break;
759	default:
760	ret = RATEID_IDX_BGN_40M_2SS;
761	break;
762	}
763	return ret;
764	}
765	EXPORT_SYMBOL(rtl_mrate_idx_to_arfr_id);
766
767	static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
768	struct ieee80211_sta *sta,
769	struct rtl_tcb_desc *tcb_desc)
770	{
771	#define SET_RATE_ID(rate_id) \
772	({typeof(rate_id) _id = rate_id; \
773	((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \
774	rtl_mrate_idx_to_arfr_id(hw, _id, \
775	(sta_entry ? sta_entry->wireless_mode : \
776	WIRELESS_MODE_G)) : \
777	_id); })
778
779	struct rtl_priv *rtlpriv = rtl_priv(hw);
780	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
781	struct rtl_sta_info *sta_entry = NULL;
782	u8 ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC);
783
784	if (sta) {
785	sta_entry = (struct rtl_sta_info *) sta->drv_priv;
786	ratr_index = sta_entry->ratr_index;
787	}
788	if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
789	if (mac->opmode == NL80211_IFTYPE_STATION) {
790	tcb_desc->ratr_index = 0;
791	} else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
792	mac->opmode == NL80211_IFTYPE_MESH_POINT) {
793	if (tcb_desc->multicast || tcb_desc->broadcast) {
794	tcb_desc->hw_rate =
795	rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
796	tcb_desc->use_driver_rate = 1;
797	tcb_desc->ratr_index =
798	SET_RATE_ID(RATR_INX_WIRELESS_MC);
799	} else {
800	tcb_desc->ratr_index = ratr_index;
801	}
802	} else if (mac->opmode == NL80211_IFTYPE_AP) {
803	tcb_desc->ratr_index = ratr_index;
804	}
805	}
806
807	if (rtlpriv->dm.useramask) {
808	tcb_desc->ratr_index = ratr_index;
809	/* TODO we will differentiate adhoc and station future */
810	if (mac->opmode == NL80211_IFTYPE_STATION ||
811	mac->opmode == NL80211_IFTYPE_MESH_POINT) {
812	tcb_desc->mac_id = 0;
813
814	if (sta &&
815	(rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID))
816	; /* use sta_entry->ratr_index */
817	else if (mac->mode == WIRELESS_MODE_AC_5G)
818	tcb_desc->ratr_index =
819	SET_RATE_ID(RATR_INX_WIRELESS_AC_5N);
820	else if (mac->mode == WIRELESS_MODE_AC_24G)
821	tcb_desc->ratr_index =
822	SET_RATE_ID(RATR_INX_WIRELESS_AC_24N);
823	else if (mac->mode == WIRELESS_MODE_N_24G)
824	tcb_desc->ratr_index =
825	SET_RATE_ID(RATR_INX_WIRELESS_NGB);
826	else if (mac->mode == WIRELESS_MODE_N_5G)
827	tcb_desc->ratr_index =
828	SET_RATE_ID(RATR_INX_WIRELESS_NG);
829	else if (mac->mode & WIRELESS_MODE_G)
830	tcb_desc->ratr_index =
831	SET_RATE_ID(RATR_INX_WIRELESS_GB);
832	else if (mac->mode & WIRELESS_MODE_B)
833	tcb_desc->ratr_index =
834	SET_RATE_ID(RATR_INX_WIRELESS_B);
835	else if (mac->mode & WIRELESS_MODE_A)
836	tcb_desc->ratr_index =
837	SET_RATE_ID(RATR_INX_WIRELESS_G);
838
839	} else if (mac->opmode == NL80211_IFTYPE_AP ||
840	mac->opmode == NL80211_IFTYPE_ADHOC) {
841	if (NULL != sta) {
842	if (sta->aid > 0)
843	tcb_desc->mac_id = sta->aid + 1;
844	else
845	tcb_desc->mac_id = 1;
846	} else {
847	tcb_desc->mac_id = 0;
848	}
849	}
850	}
851	#undef SET_RATE_ID
852	}
853
854	static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
855	struct ieee80211_sta *sta,
856	struct rtl_tcb_desc *tcb_desc)
857	{
858	struct rtl_priv *rtlpriv = rtl_priv(hw);
859	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
860
861	tcb_desc->packet_bw = false;
862	if (!sta)
863	return;
864	if (mac->opmode == NL80211_IFTYPE_AP ||
865	mac->opmode == NL80211_IFTYPE_ADHOC ||
866	mac->opmode == NL80211_IFTYPE_MESH_POINT) {
867	if (!(sta->deflink.ht_cap.ht_supported) ||
868	!(sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
869	return;
870	} else if (mac->opmode == NL80211_IFTYPE_STATION) {
871	if (!mac->bw_40 || !(sta->deflink.ht_cap.ht_supported))
872	return;
873	}
874	if (tcb_desc->multicast || tcb_desc->broadcast)
875	return;
876
877	/*use legency rate, shall use 20MHz */
878	if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
879	return;
880
881	tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40;
882
883	if (rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT) {
884	if (mac->opmode == NL80211_IFTYPE_AP ||
885	mac->opmode == NL80211_IFTYPE_ADHOC ||
886	mac->opmode == NL80211_IFTYPE_MESH_POINT) {
887	if (!(sta->deflink.vht_cap.vht_supported))
888	return;
889	} else if (mac->opmode == NL80211_IFTYPE_STATION) {
890	if (!mac->bw_80 ||
891	!(sta->deflink.vht_cap.vht_supported))
892	return;
893	}
894	if (tcb_desc->hw_rate <=
895	rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15])
896	return;
897	tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80;
898	}
899	}
900
901	static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw,
902	struct ieee80211_sta *sta)
903	{
904	struct rtl_priv *rtlpriv = rtl_priv(hw);
905	struct rtl_phy *rtlphy = &(rtlpriv->phy);
906	u8 hw_rate;
907	u16 tx_mcs_map = le16_to_cpu(sta->deflink.vht_cap.vht_mcs.tx_mcs_map);
908
909	if ((get_rf_type(rtlphy) == RF_2T2R) &&
910	(tx_mcs_map & 0x000c) != 0x000c) {
911	if ((tx_mcs_map & 0x000c) >> 2 ==
912	IEEE80211_VHT_MCS_SUPPORT_0_7)
913	hw_rate =
914	rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7];
915	else if ((tx_mcs_map & 0x000c) >> 2 ==
916	IEEE80211_VHT_MCS_SUPPORT_0_8)
917	hw_rate =
918	rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8];
919	else
920	hw_rate =
921	rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
922	} else {
923	if ((tx_mcs_map & 0x0003) ==
924	IEEE80211_VHT_MCS_SUPPORT_0_7)
925	hw_rate =
926	rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7];
927	else if ((tx_mcs_map & 0x0003) ==
928	IEEE80211_VHT_MCS_SUPPORT_0_8)
929	hw_rate =
930	rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8];
931	else
932	hw_rate =
933	rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
934	}
935
936	return hw_rate;
937	}
938
939	static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
940	struct ieee80211_sta *sta)
941	{
942	struct rtl_priv *rtlpriv = rtl_priv(hw);
943	struct rtl_phy *rtlphy = &rtlpriv->phy;
944	u8 hw_rate;
945
946	if (get_rf_type(rtlphy) == RF_2T2R &&
947	sta->deflink.ht_cap.mcs.rx_mask[1] != 0)
948	hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
949	else
950	hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
951
952	return hw_rate;
953	}
954
955	/* mac80211's rate_idx is like this:
956	*
957	* 2.4G band:rx_status->band == NL80211_BAND_2GHZ
958	*
959	* B/G rate:
960	* (rx_status->flag & RX_FLAG_HT) = 0,
961	* DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11,
962	*
963	* N rate:
964	* (rx_status->flag & RX_FLAG_HT) = 1,
965	* DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
966	*
967	* 5G band:rx_status->band == NL80211_BAND_5GHZ
968	* A rate:
969	* (rx_status->flag & RX_FLAG_HT) = 0,
970	* DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7,
971	*
972	* N rate:
973	* (rx_status->flag & RX_FLAG_HT) = 1,
974	* DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
975	*
976	* VHT rates:
977	* DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9
978	* DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9
979	*/
980	int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht,
981	u8 desc_rate)
982	{
983	int rate_idx;
984
985	if (isvht) {
986	switch (desc_rate) {
987	case DESC_RATEVHT1SS_MCS0:
988	rate_idx = 0;
989	break;
990	case DESC_RATEVHT1SS_MCS1:
991	rate_idx = 1;
992	break;
993	case DESC_RATEVHT1SS_MCS2:
994	rate_idx = 2;
995	break;
996	case DESC_RATEVHT1SS_MCS3:
997	rate_idx = 3;
998	break;
999	case DESC_RATEVHT1SS_MCS4:
1000	rate_idx = 4;
1001	break;
1002	case DESC_RATEVHT1SS_MCS5:
1003	rate_idx = 5;
1004	break;
1005	case DESC_RATEVHT1SS_MCS6:
1006	rate_idx = 6;
1007	break;
1008	case DESC_RATEVHT1SS_MCS7:
1009	rate_idx = 7;
1010	break;
1011	case DESC_RATEVHT1SS_MCS8:
1012	rate_idx = 8;
1013	break;
1014	case DESC_RATEVHT1SS_MCS9:
1015	rate_idx = 9;
1016	break;
1017	case DESC_RATEVHT2SS_MCS0:
1018	rate_idx = 0;
1019	break;
1020	case DESC_RATEVHT2SS_MCS1:
1021	rate_idx = 1;
1022	break;
1023	case DESC_RATEVHT2SS_MCS2:
1024	rate_idx = 2;
1025	break;
1026	case DESC_RATEVHT2SS_MCS3:
1027	rate_idx = 3;
1028	break;
1029	case DESC_RATEVHT2SS_MCS4:
1030	rate_idx = 4;
1031	break;
1032	case DESC_RATEVHT2SS_MCS5:
1033	rate_idx = 5;
1034	break;
1035	case DESC_RATEVHT2SS_MCS6:
1036	rate_idx = 6;
1037	break;
1038	case DESC_RATEVHT2SS_MCS7:
1039	rate_idx = 7;
1040	break;
1041	case DESC_RATEVHT2SS_MCS8:
1042	rate_idx = 8;
1043	break;
1044	case DESC_RATEVHT2SS_MCS9:
1045	rate_idx = 9;
1046	break;
1047	default:
1048	rate_idx = 0;
1049	break;
1050	}
1051	return rate_idx;
1052	}
1053	if (false == isht) {
1054	if (NL80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
1055	switch (desc_rate) {
1056	case DESC_RATE1M:
1057	rate_idx = 0;
1058	break;
1059	case DESC_RATE2M:
1060	rate_idx = 1;
1061	break;
1062	case DESC_RATE5_5M:
1063	rate_idx = 2;
1064	break;
1065	case DESC_RATE11M:
1066	rate_idx = 3;
1067	break;
1068	case DESC_RATE6M:
1069	rate_idx = 4;
1070	break;
1071	case DESC_RATE9M:
1072	rate_idx = 5;
1073	break;
1074	case DESC_RATE12M:
1075	rate_idx = 6;
1076	break;
1077	case DESC_RATE18M:
1078	rate_idx = 7;
1079	break;
1080	case DESC_RATE24M:
1081	rate_idx = 8;
1082	break;
1083	case DESC_RATE36M:
1084	rate_idx = 9;
1085	break;
1086	case DESC_RATE48M:
1087	rate_idx = 10;
1088	break;
1089	case DESC_RATE54M:
1090	rate_idx = 11;
1091	break;
1092	default:
1093	rate_idx = 0;
1094	break;
1095	}
1096	} else {
1097	switch (desc_rate) {
1098	case DESC_RATE6M:
1099	rate_idx = 0;
1100	break;
1101	case DESC_RATE9M:
1102	rate_idx = 1;
1103	break;
1104	case DESC_RATE12M:
1105	rate_idx = 2;
1106	break;
1107	case DESC_RATE18M:
1108	rate_idx = 3;
1109	break;
1110	case DESC_RATE24M:
1111	rate_idx = 4;
1112	break;
1113	case DESC_RATE36M:
1114	rate_idx = 5;
1115	break;
1116	case DESC_RATE48M:
1117	rate_idx = 6;
1118	break;
1119	case DESC_RATE54M:
1120	rate_idx = 7;
1121	break;
1122	default:
1123	rate_idx = 0;
1124	break;
1125	}
1126	}
1127	} else {
1128	switch (desc_rate) {
1129	case DESC_RATEMCS0:
1130	rate_idx = 0;
1131	break;
1132	case DESC_RATEMCS1:
1133	rate_idx = 1;
1134	break;
1135	case DESC_RATEMCS2:
1136	rate_idx = 2;
1137	break;
1138	case DESC_RATEMCS3:
1139	rate_idx = 3;
1140	break;
1141	case DESC_RATEMCS4:
1142	rate_idx = 4;
1143	break;
1144	case DESC_RATEMCS5:
1145	rate_idx = 5;
1146	break;
1147	case DESC_RATEMCS6:
1148	rate_idx = 6;
1149	break;
1150	case DESC_RATEMCS7:
1151	rate_idx = 7;
1152	break;
1153	case DESC_RATEMCS8:
1154	rate_idx = 8;
1155	break;
1156	case DESC_RATEMCS9:
1157	rate_idx = 9;
1158	break;
1159	case DESC_RATEMCS10:
1160	rate_idx = 10;
1161	break;
1162	case DESC_RATEMCS11:
1163	rate_idx = 11;
1164	break;
1165	case DESC_RATEMCS12:
1166	rate_idx = 12;
1167	break;
1168	case DESC_RATEMCS13:
1169	rate_idx = 13;
1170	break;
1171	case DESC_RATEMCS14:
1172	rate_idx = 14;
1173	break;
1174	case DESC_RATEMCS15:
1175	rate_idx = 15;
1176	break;
1177	default:
1178	rate_idx = 0;
1179	break;
1180	}
1181	}
1182	return rate_idx;
1183	}
1184	EXPORT_SYMBOL(rtlwifi_rate_mapping);
1185
1186	static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw,
1187	struct ieee80211_tx_info *info)
1188	{
1189	struct rtl_priv *rtlpriv = rtl_priv(hw);
1190	struct ieee80211_tx_rate *r = &info->status.rates[0];
1191	struct ieee80211_rate *txrate;
1192	u8 hw_value = 0x0;
1193
1194	if (r->flags & IEEE80211_TX_RC_MCS) {
1195	/* HT MCS0-15 */
1196	hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 +
1197	r->idx;
1198	} else if (r->flags & IEEE80211_TX_RC_VHT_MCS) {
1199	/* VHT MCS0-9, NSS */
1200	if (ieee80211_rate_get_vht_nss(rate: r) == 2)
1201	hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
1202	else
1203	hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
1204
1205	hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(rate: r);
1206	} else {
1207	/* legacy */
1208	txrate = ieee80211_get_tx_rate(hw, c: info);
1209
1210	if (txrate)
1211	hw_value = txrate->hw_value;
1212	}
1213
1214	/* check 5G band */
1215	if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G &&
1216	hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M])
1217	hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M];
1218
1219	return hw_value;
1220	}
1221
1222	void rtl_get_tcb_desc(struct ieee80211_hw *hw,
1223	struct ieee80211_tx_info *info,
1224	struct ieee80211_sta *sta,
1225	struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
1226	{
1227	#define SET_RATE_ID(rate_id) \
1228	({typeof(rate_id) _id = rate_id; \
1229	((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \
1230	rtl_mrate_idx_to_arfr_id(hw, _id, \
1231	(sta_entry ? sta_entry->wireless_mode : \
1232	WIRELESS_MODE_G)) : \
1233	_id); })
1234
1235	struct rtl_priv *rtlpriv = rtl_priv(hw);
1236	struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
1237	struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1238	struct rtl_sta_info *sta_entry =
1239	(sta ? (struct rtl_sta_info *)sta->drv_priv : NULL);
1240
1241	__le16 fc = rtl_get_fc(skb);
1242
1243	tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info);
1244
1245	if (rtl_is_tx_report_skb(hw, skb))
1246	tcb_desc->use_spe_rpt = 1;
1247
1248	if (ieee80211_is_data(fc)) {
1249	/*
1250	*we set data rate INX 0
1251	*in rtl_rc.c if skb is special data or
1252	*mgt which need low data rate.
1253	*/
1254
1255	/*
1256	*So tcb_desc->hw_rate is just used for
1257	*special data and mgt frames
1258	*/
1259	if (info->control.rates[0].idx == 0 ||
1260	ieee80211_is_nullfunc(fc)) {
1261	tcb_desc->use_driver_rate = true;
1262	tcb_desc->ratr_index =
1263	SET_RATE_ID(RATR_INX_WIRELESS_MC);
1264
1265	tcb_desc->disable_ratefallback = 1;
1266	} else {
1267	/*
1268	*because hw will nerver use hw_rate
1269	*when tcb_desc->use_driver_rate = false
1270	*so we never set highest N rate here,
1271	*and N rate will all be controlled by FW
1272	*when tcb_desc->use_driver_rate = false
1273	*/
1274	if (sta && sta->deflink.vht_cap.vht_supported) {
1275	tcb_desc->hw_rate =
1276	_rtl_get_vht_highest_n_rate(hw, sta);
1277	} else {
1278	if (sta && sta->deflink.ht_cap.ht_supported) {
1279	tcb_desc->hw_rate =
1280	_rtl_get_highest_n_rate(hw, sta);
1281	} else {
1282	if (rtlmac->mode == WIRELESS_MODE_B) {
1283	tcb_desc->hw_rate =
1284	rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
1285	} else {
1286	tcb_desc->hw_rate =
1287	rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
1288	}
1289	}
1290	}
1291	}
1292
1293	if (is_multicast_ether_addr(addr: hdr->addr1))
1294	tcb_desc->multicast = 1;
1295	else if (is_broadcast_ether_addr(addr: hdr->addr1))
1296	tcb_desc->broadcast = 1;
1297
1298	_rtl_txrate_selectmode(hw, sta, tcb_desc);
1299	_rtl_query_bandwidth_mode(hw, sta, tcb_desc);
1300	_rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
1301	_rtl_query_shortgi(hw, sta, tcb_desc, info);
1302	_rtl_query_protection_mode(hw, tcb_desc, info);
1303	} else {
1304	tcb_desc->use_driver_rate = true;
1305	tcb_desc->ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC);
1306	tcb_desc->disable_ratefallback = 1;
1307	tcb_desc->mac_id = 0;
1308	tcb_desc->packet_bw = false;
1309	}
1310	#undef SET_RATE_ID
1311	}
1312	EXPORT_SYMBOL(rtl_get_tcb_desc);
1313
1314	bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
1315	{
1316	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1317	struct rtl_priv *rtlpriv = rtl_priv(hw);
1318	__le16 fc = rtl_get_fc(skb);
1319
1320	if (ieee80211_is_auth(fc)) {
1321	rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n");
1322
1323	mac->link_state = MAC80211_LINKING;
1324	/* Dul mac */
1325	rtlpriv->phy.need_iqk = true;
1326
1327	}
1328
1329	return true;
1330	}
1331	EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc);
1332
1333	struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
1334	u8 *bssid, u16 tid);
1335
1336	static void process_agg_start(struct ieee80211_hw *hw,
1337	struct ieee80211_hdr *hdr, u16 tid)
1338	{
1339	struct rtl_priv *rtlpriv = rtl_priv(hw);
1340	struct ieee80211_rx_status rx_status = { 0 };
1341	struct sk_buff *skb_delba = NULL;
1342
1343	skb_delba = rtl_make_del_ba(hw, sa: hdr->addr2, bssid: hdr->addr3, tid);
1344	if (skb_delba) {
1345	rx_status.freq = hw->conf.chandef.chan->center_freq;
1346	rx_status.band = hw->conf.chandef.chan->band;
1347	rx_status.flag |= RX_FLAG_DECRYPTED;
1348	rx_status.flag |= RX_FLAG_MACTIME_START;
1349	rx_status.rate_idx = 0;
1350	rx_status.signal = 50 + 10;
1351	memcpy(IEEE80211_SKB_RXCB(skb_delba),
1352	&rx_status, sizeof(rx_status));
1353	RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
1354	"fake del\n",
1355	skb_delba->data,
1356	skb_delba->len);
1357	ieee80211_rx_irqsafe(hw, skb: skb_delba);
1358	}
1359	}
1360
1361	bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
1362	{
1363	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1364	struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1365	struct rtl_priv *rtlpriv = rtl_priv(hw);
1366	__le16 fc = rtl_get_fc(skb);
1367	u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN));
1368	u8 category;
1369
1370	if (!ieee80211_is_action(fc))
1371	return true;
1372
1373	category = *act;
1374	act++;
1375	switch (category) {
1376	case ACT_CAT_BA:
1377	switch (*act) {
1378	case ACT_ADDBAREQ:
1379	if (mac->act_scanning)
1380	return false;
1381
1382	rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1383	"%s ACT_ADDBAREQ From :%pM\n",
1384	is_tx ? "Tx" : "Rx", hdr->addr2);
1385	RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n",
1386	skb->data, skb->len);
1387	if (!is_tx) {
1388	struct ieee80211_sta *sta = NULL;
1389	struct rtl_sta_info *sta_entry = NULL;
1390	struct rtl_tid_data *tid_data;
1391	struct ieee80211_mgmt *mgmt = (void *)skb->data;
1392	u16 capab = 0, tid = 0;
1393
1394	rcu_read_lock();
1395	sta = rtl_find_sta(hw, mac_addr: hdr->addr3);
1396	if (sta == NULL) {
1397	rtl_dbg(rtlpriv, COMP_SEND | COMP_RECV,
1398	DBG_DMESG, "sta is NULL\n");
1399	rcu_read_unlock();
1400	return true;
1401	}
1402
1403	sta_entry =
1404	(struct rtl_sta_info *)sta->drv_priv;
1405	capab =
1406	le16_to_cpu(mgmt->u.action.u.addba_req.capab);
1407	tid = (capab &
1408	IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
1409	if (tid >= MAX_TID_COUNT) {
1410	rcu_read_unlock();
1411	return true;
1412	}
1413	tid_data = &sta_entry->tids[tid];
1414	if (tid_data->agg.rx_agg_state ==
1415	RTL_RX_AGG_START)
1416	process_agg_start(hw, hdr, tid);
1417	rcu_read_unlock();
1418	}
1419	break;
1420	case ACT_ADDBARSP:
1421	rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1422	"%s ACT_ADDBARSP From :%pM\n",
1423	is_tx ? "Tx" : "Rx", hdr->addr2);
1424	break;
1425	case ACT_DELBA:
1426	rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1427	"ACT_ADDBADEL From :%pM\n", hdr->addr2);
1428	break;
1429	}
1430	break;
1431	default:
1432	break;
1433	}
1434
1435	return true;
1436	}
1437	EXPORT_SYMBOL_GPL(rtl_action_proc);
1438
1439	static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc,
1440	int type)
1441	{
1442	struct ieee80211_hw *hw = rtlpriv->hw;
1443
1444	rtlpriv->ra.is_special_data = true;
1445	if (rtlpriv->cfg->ops->get_btc_status())
1446	rtlpriv->btcoexist.btc_ops->btc_special_packet_notify(
1447	rtlpriv, type);
1448	rtl_lps_leave(hw, may_block: false);
1449	ppsc->last_delaylps_stamp_jiffies = jiffies;
1450	}
1451
1452	static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw,
1453	struct sk_buff *skb, bool is_enc)
1454	{
1455	struct rtl_priv *rtlpriv = rtl_priv(hw);
1456	u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
1457	u8 encrypt_header_len = 0;
1458	u8 offset;
1459
1460	switch (rtlpriv->sec.pairwise_enc_algorithm) {
1461	case WEP40_ENCRYPTION:
1462	case WEP104_ENCRYPTION:
1463	encrypt_header_len = 4;/*WEP_IV_LEN*/
1464	break;
1465	case TKIP_ENCRYPTION:
1466	encrypt_header_len = 8;/*TKIP_IV_LEN*/
1467	break;
1468	case AESCCMP_ENCRYPTION:
1469	encrypt_header_len = 8;/*CCMP_HDR_LEN;*/
1470	break;
1471	default:
1472	break;
1473	}
1474
1475	offset = mac_hdr_len + SNAP_SIZE;
1476	if (is_enc)
1477	offset += encrypt_header_len;
1478
1479	return skb->data + offset;
1480	}
1481
1482	/*should call before software enc*/
1483	u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
1484	bool is_enc)
1485	{
1486	struct rtl_priv *rtlpriv = rtl_priv(hw);
1487	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1488	__le16 fc = rtl_get_fc(skb);
1489	u16 ether_type;
1490	const u8 *ether_type_ptr;
1491	const struct iphdr *ip;
1492
1493	if (!ieee80211_is_data(fc))
1494	goto end;
1495
1496	ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc);
1497	ether_type = be16_to_cpup(p: (__be16 *)ether_type_ptr);
1498
1499	if (ETH_P_IP == ether_type) {
1500	ip = (struct iphdr *)((u8 *)ether_type_ptr +
1501	PROTOC_TYPE_SIZE);
1502	if (IPPROTO_UDP == ip->protocol) {
1503	struct udphdr *udp = (struct udphdr *)((u8 *)ip +
1504	(ip->ihl << 2));
1505	if (((((u8 *)udp)[1] == 68) &&
1506	(((u8 *)udp)[3] == 67)) ||
1507	((((u8 *)udp)[1] == 67) &&
1508	(((u8 *)udp)[3] == 68))) {
1509	/* 68 : UDP BOOTP client
1510	* 67 : UDP BOOTP server
1511	*/
1512	rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV),
1513	DBG_DMESG, "dhcp %s !!\n",
1514	(is_tx) ? "Tx" : "Rx");
1515
1516	if (is_tx)
1517	setup_special_tx(rtlpriv, ppsc,
1518	PACKET_DHCP);
1519
1520	return true;
1521	}
1522	}
1523	} else if (ETH_P_ARP == ether_type) {
1524	if (is_tx)
1525	setup_special_tx(rtlpriv, ppsc, PACKET_ARP);
1526
1527	return true;
1528	} else if (ETH_P_PAE == ether_type) {
1529	/* EAPOL is seens as in-4way */
1530	rtlpriv->btcoexist.btc_info.in_4way = true;
1531	rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;
1532
1533	rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1534	"802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx");
1535
1536	if (is_tx) {
1537	rtlpriv->ra.is_special_data = true;
1538	rtl_lps_leave(hw, may_block: false);
1539	ppsc->last_delaylps_stamp_jiffies = jiffies;
1540
1541	setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL);
1542	}
1543
1544	return true;
1545	} else if (ETH_P_IPV6 == ether_type) {
1546	/* TODO: Handle any IPv6 cases that need special handling.
1547	* For now, always return false
1548	*/
1549	goto end;
1550	}
1551
1552	end:
1553	rtlpriv->ra.is_special_data = false;
1554	return false;
1555	}
1556	EXPORT_SYMBOL_GPL(rtl_is_special_data);
1557
1558	void rtl_tx_ackqueue(struct ieee80211_hw *hw, struct sk_buff *skb)
1559	{
1560	struct rtl_priv *rtlpriv = rtl_priv(hw);
1561	struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1562
1563	__skb_queue_tail(list: &tx_report->queue, newsk: skb);
1564	}
1565	EXPORT_SYMBOL_GPL(rtl_tx_ackqueue);
1566
1567	static void rtl_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
1568	bool ack)
1569	{
1570	struct rtl_priv *rtlpriv = rtl_priv(hw);
1571	struct ieee80211_tx_info *info;
1572
1573	info = IEEE80211_SKB_CB(skb);
1574	ieee80211_tx_info_clear_status(info);
1575	if (ack) {
1576	rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_LOUD,
1577	"tx report: ack\n");
1578	info->flags |= IEEE80211_TX_STAT_ACK;
1579	} else {
1580	rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_LOUD,
1581	"tx report: not ack\n");
1582	info->flags &= ~IEEE80211_TX_STAT_ACK;
1583	}
1584	ieee80211_tx_status_irqsafe(hw, skb);
1585	}
1586
1587	bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb)
1588	{
1589	u16 ether_type;
1590	const u8 *ether_type_ptr;
1591	__le16 fc = rtl_get_fc(skb);
1592
1593	ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc: true);
1594	ether_type = be16_to_cpup(p: (__be16 *)ether_type_ptr);
1595
1596	if (ether_type == ETH_P_PAE || ieee80211_is_nullfunc(fc))
1597	return true;
1598
1599	return false;
1600	}
1601
1602	static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw,
1603	struct rtlwifi_tx_info *tx_info)
1604	{
1605	struct rtl_priv *rtlpriv = rtl_priv(hw);
1606	struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1607	u16 sn;
1608
1609	/* SW_DEFINE[11:8] are reserved (driver fills zeros)
1610	* SW_DEFINE[7:2] are used by driver
1611	* SW_DEFINE[1:0] are reserved for firmware (driver fills zeros)
1612	*/
1613	sn = (atomic_inc_return(v: &tx_report->sn) & 0x003F) << 2;
1614
1615	tx_report->last_sent_sn = sn;
1616	tx_report->last_sent_time = jiffies;
1617	tx_info->sn = sn;
1618	tx_info->send_time = tx_report->last_sent_time;
1619	rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
1620	"Send TX-Report sn=0x%X\n", sn);
1621
1622	return sn;
1623	}
1624
1625	void rtl_set_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc,
1626	struct ieee80211_hw *hw, struct rtlwifi_tx_info *tx_info)
1627	{
1628	if (ptcb_desc->use_spe_rpt) {
1629	u16 sn = rtl_get_tx_report_sn(hw, tx_info);
1630
1631	SET_TX_DESC_SPE_RPT(pdesc, 1);
1632	SET_TX_DESC_SW_DEFINE(pdesc, sn);
1633	}
1634	}
1635	EXPORT_SYMBOL_GPL(rtl_set_tx_report);
1636
1637	void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len)
1638	{
1639	struct rtl_priv *rtlpriv = rtl_priv(hw);
1640	struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1641	struct rtlwifi_tx_info *tx_info;
1642	struct sk_buff_head *queue = &tx_report->queue;
1643	struct sk_buff *skb;
1644	u16 sn;
1645	u8 st, retry;
1646
1647	if (rtlpriv->cfg->spec_ver & RTL_SPEC_EXT_C2H) {
1648	sn = GET_TX_REPORT_SN_V2(tmp_buf);
1649	st = GET_TX_REPORT_ST_V2(tmp_buf);
1650	retry = GET_TX_REPORT_RETRY_V2(tmp_buf);
1651	} else {
1652	sn = GET_TX_REPORT_SN_V1(tmp_buf);
1653	st = GET_TX_REPORT_ST_V1(tmp_buf);
1654	retry = GET_TX_REPORT_RETRY_V1(tmp_buf);
1655	}
1656
1657	tx_report->last_recv_sn = sn;
1658
1659	skb_queue_walk(queue, skb) {
1660	tx_info = rtl_tx_skb_cb_info(skb);
1661	if (tx_info->sn == sn) {
1662	skb_unlink(skb, list: queue);
1663	rtl_tx_status(hw, skb, ack: st == 0);
1664	break;
1665	}
1666	}
1667	rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
1668	"Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n",
1669	st, sn, retry);
1670	}
1671	EXPORT_SYMBOL_GPL(rtl_tx_report_handler);
1672
1673	bool rtl_check_tx_report_acked(struct ieee80211_hw *hw)
1674	{
1675	struct rtl_priv *rtlpriv = rtl_priv(hw);
1676	struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1677
1678	if (tx_report->last_sent_sn == tx_report->last_recv_sn)
1679	return true;
1680
1681	if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) {
1682	rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_WARNING,
1683	"Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n",
1684	tx_report->last_sent_sn, tx_report->last_recv_sn);
1685	return true; /* 3 sec. (timeout) seen as acked */
1686	}
1687
1688	return false;
1689	}
1690
1691	void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms)
1692	{
1693	struct rtl_priv *rtlpriv = rtl_priv(hw);
1694	int i;
1695
1696	for (i = 0; i < wait_ms; i++) {
1697	if (rtl_check_tx_report_acked(hw))
1698	break;
1699	usleep_range(min: 1000, max: 2000);
1700	rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1701	"Wait 1ms (%d/%d) to disable key.\n", i, wait_ms);
1702	}
1703	}
1704
1705	u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw,
1706	struct ieee80211_vif *vif,
1707	enum wireless_mode wirelessmode,
1708	struct ieee80211_tx_queue_params *param)
1709	{
1710	u32 reg = 0;
1711	u8 sifstime = 10;
1712	u8 slottime = 20;
1713
1714	/* AIFS = AIFSN * slot time + SIFS */
1715	switch (wirelessmode) {
1716	case WIRELESS_MODE_A:
1717	case WIRELESS_MODE_N_24G:
1718	case WIRELESS_MODE_N_5G:
1719	case WIRELESS_MODE_AC_5G:
1720	case WIRELESS_MODE_AC_24G:
1721	sifstime = 16;
1722	slottime = 9;
1723	break;
1724	case WIRELESS_MODE_G:
1725	slottime = (vif->bss_conf.use_short_slot ? 9 : 20);
1726	break;
1727	default:
1728	break;
1729	}
1730
1731	reg |= (param->txop & 0x7FF) << 16;
1732	reg |= (fls(x: param->cw_max) & 0xF) << 12;
1733	reg |= (fls(x: param->cw_min) & 0xF) << 8;
1734	reg |= (param->aifs & 0x0F) * slottime + sifstime;
1735
1736	return reg;
1737	}
1738	EXPORT_SYMBOL_GPL(rtl_get_hal_edca_param);
1739
1740	/*********************************************************
1741	*
1742	* functions called by core.c
1743	*
1744	*********************************************************/
1745	int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1746	struct ieee80211_sta *sta, u16 tid, u16 *ssn)
1747	{
1748	struct rtl_priv *rtlpriv = rtl_priv(hw);
1749	struct rtl_tid_data *tid_data;
1750	struct rtl_sta_info *sta_entry = NULL;
1751
1752	if (sta == NULL)
1753	return -EINVAL;
1754
1755	if (unlikely(tid >= MAX_TID_COUNT))
1756	return -EINVAL;
1757
1758	sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1759	tid_data = &sta_entry->tids[tid];
1760
1761	rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG,
1762	"on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1763	*ssn);
1764
1765	tid_data->agg.agg_state = RTL_AGG_START;
1766
1767	return IEEE80211_AMPDU_TX_START_IMMEDIATE;
1768	}
1769
1770	int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1771	struct ieee80211_sta *sta, u16 tid)
1772	{
1773	struct rtl_priv *rtlpriv = rtl_priv(hw);
1774	struct rtl_sta_info *sta_entry = NULL;
1775
1776	if (sta == NULL)
1777	return -EINVAL;
1778
1779	rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG,
1780	"on ra = %pM tid = %d\n", sta->addr, tid);
1781
1782	if (unlikely(tid >= MAX_TID_COUNT))
1783	return -EINVAL;
1784
1785	sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1786	sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1787
1788	ieee80211_stop_tx_ba_cb_irqsafe(vif, ra: sta->addr, tid);
1789	return 0;
1790	}
1791
1792	int rtl_rx_agg_start(struct ieee80211_hw *hw,
1793	struct ieee80211_sta *sta, u16 tid)
1794	{
1795	struct rtl_priv *rtlpriv = rtl_priv(hw);
1796	struct rtl_tid_data *tid_data;
1797	struct rtl_sta_info *sta_entry = NULL;
1798	u8 reject_agg;
1799
1800	if (sta == NULL)
1801	return -EINVAL;
1802
1803	if (unlikely(tid >= MAX_TID_COUNT))
1804	return -EINVAL;
1805
1806	if (rtlpriv->cfg->ops->get_btc_status()) {
1807	rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv,
1808	&reject_agg,
1809	NULL, NULL);
1810	if (reject_agg)
1811	return -EINVAL;
1812	}
1813
1814	sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1815	tid_data = &sta_entry->tids[tid];
1816
1817	rtl_dbg(rtlpriv, COMP_RECV, DBG_DMESG,
1818	"on ra = %pM tid = %d\n", sta->addr, tid);
1819
1820	tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1821	return 0;
1822	}
1823
1824	int rtl_rx_agg_stop(struct ieee80211_hw *hw,
1825	struct ieee80211_sta *sta, u16 tid)
1826	{
1827	struct rtl_priv *rtlpriv = rtl_priv(hw);
1828	struct rtl_sta_info *sta_entry = NULL;
1829
1830	if (sta == NULL)
1831	return -EINVAL;
1832
1833	rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG,
1834	"on ra = %pM tid = %d\n", sta->addr, tid);
1835
1836	if (unlikely(tid >= MAX_TID_COUNT))
1837	return -EINVAL;
1838
1839	sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1840	sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
1841
1842	return 0;
1843	}
1844
1845	int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1846	struct ieee80211_sta *sta, u16 tid)
1847	{
1848	struct rtl_priv *rtlpriv = rtl_priv(hw);
1849	struct rtl_sta_info *sta_entry = NULL;
1850
1851	if (sta == NULL)
1852	return -EINVAL;
1853
1854	rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG,
1855	"on ra = %pM tid = %d\n", sta->addr, tid);
1856
1857	if (unlikely(tid >= MAX_TID_COUNT))
1858	return -EINVAL;
1859
1860	sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1861	sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1862
1863	return 0;
1864	}
1865
1866	void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv)
1867	{
1868	struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
1869	u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0;
1870
1871	if (rtlpriv->cfg->ops->get_btc_status())
1872	btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg,
1873	&ctrl_agg_size, &agg_size);
1874
1875	rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_DMESG,
1876	"Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d",
1877	reject_agg, ctrl_agg_size, agg_size);
1878
1879	rtlpriv->hw->max_rx_aggregation_subframes =
1880	(ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF_HT);
1881	}
1882	EXPORT_SYMBOL(rtl_rx_ampdu_apply);
1883
1884	/*********************************************************
1885	*
1886	* wq & timer callback functions
1887	*
1888	*********************************************************/
1889	/* this function is used for roaming */
1890	void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1891	{
1892	struct rtl_priv *rtlpriv = rtl_priv(hw);
1893	struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1894
1895	if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1896	return;
1897
1898	if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1899	return;
1900
1901	/* check if this really is a beacon */
1902	if (!ieee80211_is_beacon(fc: hdr->frame_control) &&
1903	!ieee80211_is_probe_resp(fc: hdr->frame_control))
1904	return;
1905
1906	/* min. beacon length + FCS_LEN */
1907	if (skb->len <= 40 + FCS_LEN)
1908	return;
1909
1910	/* and only beacons from the associated BSSID, please */
1911	if (!ether_addr_equal(addr1: hdr->addr3, addr2: rtlpriv->mac80211.bssid))
1912	return;
1913
1914	rtlpriv->link_info.bcn_rx_inperiod++;
1915	}
1916	EXPORT_SYMBOL_GPL(rtl_beacon_statistic);
1917
1918	static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw)
1919	{
1920	struct rtl_priv *rtlpriv = rtl_priv(hw);
1921	struct rtl_bssid_entry *entry, *next;
1922
1923	list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
1924	list_del(entry: &entry->list);
1925	kfree(objp: entry);
1926	rtlpriv->scan_list.num--;
1927	}
1928	}
1929
1930	static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw,
1931	bool chk_timeout)
1932	{
1933	struct rtl_priv *rtlpriv = rtl_priv(hw);
1934	struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1935	struct sk_buff_head *queue = &tx_report->queue;
1936	struct sk_buff *skb, *tmp;
1937	struct rtlwifi_tx_info *tx_info;
1938
1939	skb_queue_walk_safe(queue, skb, tmp) {
1940	tx_info = rtl_tx_skb_cb_info(skb);
1941	if (chk_timeout &&
1942	time_after(tx_info->send_time + HZ, jiffies))
1943	continue;
1944	skb_unlink(skb, list: queue);
1945	rtl_tx_status(hw, skb, ack: false);
1946	}
1947	}
1948
1949	void rtl_scan_list_expire(struct ieee80211_hw *hw)
1950	{
1951	struct rtl_priv *rtlpriv = rtl_priv(hw);
1952	struct rtl_bssid_entry *entry, *next;
1953	unsigned long flags;
1954
1955	spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
1956
1957	list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
1958	/* 180 seconds */
1959	if (jiffies_to_msecs(j: jiffies - entry->age) < 180000)
1960	continue;
1961
1962	list_del(entry: &entry->list);
1963	rtlpriv->scan_list.num--;
1964
1965	rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD,
1966	"BSSID=%pM is expire in scan list (total=%d)\n",
1967	entry->bssid, rtlpriv->scan_list.num);
1968	kfree(objp: entry);
1969	}
1970
1971	spin_unlock_irqrestore(lock: &rtlpriv->locks.scan_list_lock, flags);
1972
1973	rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1974	}
1975
1976	void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb)
1977	{
1978	struct rtl_priv *rtlpriv = rtl_priv(hw);
1979	struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1980	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1981	unsigned long flags;
1982
1983	struct rtl_bssid_entry *entry = NULL, *iter;
1984
1985	/* check if it is scanning */
1986	if (!mac->act_scanning)
1987	return;
1988
1989	/* check if this really is a beacon */
1990	if (!ieee80211_is_beacon(fc: hdr->frame_control) &&
1991	!ieee80211_is_probe_resp(fc: hdr->frame_control))
1992	return;
1993
1994	spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
1995
1996	list_for_each_entry(iter, &rtlpriv->scan_list.list, list) {
1997	if (memcmp(p: iter->bssid, q: hdr->addr3, ETH_ALEN) == 0) {
1998	list_del_init(entry: &iter->list);
1999	entry = iter;
2000	rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD,
2001	"Update BSSID=%pM to scan list (total=%d)\n",
2002	hdr->addr3, rtlpriv->scan_list.num);
2003	break;
2004	}
2005	}
2006
2007	if (!entry) {
2008	entry = kmalloc(size: sizeof(*entry), GFP_ATOMIC);
2009
2010	if (!entry)
2011	goto label_err;
2012
2013	memcpy(entry->bssid, hdr->addr3, ETH_ALEN);
2014	rtlpriv->scan_list.num++;
2015
2016	rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD,
2017	"Add BSSID=%pM to scan list (total=%d)\n",
2018	hdr->addr3, rtlpriv->scan_list.num);
2019	}
2020
2021	entry->age = jiffies;
2022
2023	list_add_tail(new: &entry->list, head: &rtlpriv->scan_list.list);
2024
2025	label_err:
2026	spin_unlock_irqrestore(lock: &rtlpriv->locks.scan_list_lock, flags);
2027	}
2028	EXPORT_SYMBOL(rtl_collect_scan_list);
2029
2030	static void rtl_watchdog_wq_callback(struct work_struct *work)
2031	{
2032	struct rtl_works *rtlworks = container_of(work, struct rtl_works,
2033	watchdog_wq.work);
2034	struct ieee80211_hw *hw = rtlworks->hw;
2035	struct rtl_priv *rtlpriv = rtl_priv(hw);
2036	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2037	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2038	bool busytraffic = false;
2039	bool tx_busy_traffic = false;
2040	bool rx_busy_traffic = false;
2041	bool higher_busytraffic = false;
2042	bool higher_busyrxtraffic = false;
2043	u8 idx, tid;
2044	u32 rx_cnt_inp4eriod = 0;
2045	u32 tx_cnt_inp4eriod = 0;
2046	u32 aver_rx_cnt_inperiod = 0;
2047	u32 aver_tx_cnt_inperiod = 0;
2048	u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
2049	u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
2050
2051	if (is_hal_stop(rtlhal))
2052	return;
2053
2054	/* <1> Determine if action frame is allowed */
2055	if (mac->link_state > MAC80211_NOLINK) {
2056	if (mac->cnt_after_linked < 20)
2057	mac->cnt_after_linked++;
2058	} else {
2059	mac->cnt_after_linked = 0;
2060	}
2061
2062	/* <2> to check if traffic busy, if
2063	* busytraffic we don't change channel
2064	*/
2065	if (mac->link_state >= MAC80211_LINKED) {
2066	/* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
2067	for (idx = 0; idx <= 2; idx++) {
2068	rtlpriv->link_info.num_rx_in4period[idx] =
2069	rtlpriv->link_info.num_rx_in4period[idx + 1];
2070	rtlpriv->link_info.num_tx_in4period[idx] =
2071	rtlpriv->link_info.num_tx_in4period[idx + 1];
2072	}
2073	rtlpriv->link_info.num_rx_in4period[3] =
2074	rtlpriv->link_info.num_rx_inperiod;
2075	rtlpriv->link_info.num_tx_in4period[3] =
2076	rtlpriv->link_info.num_tx_inperiod;
2077	for (idx = 0; idx <= 3; idx++) {
2078	rx_cnt_inp4eriod +=
2079	rtlpriv->link_info.num_rx_in4period[idx];
2080	tx_cnt_inp4eriod +=
2081	rtlpriv->link_info.num_tx_in4period[idx];
2082	}
2083	aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
2084	aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
2085
2086	/* (2) check traffic busy */
2087	if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
2088	busytraffic = true;
2089	if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
2090	rx_busy_traffic = true;
2091	else
2092	tx_busy_traffic = false;
2093	}
2094
2095	/* Higher Tx/Rx data. */
2096	if (aver_rx_cnt_inperiod > 4000 ||
2097	aver_tx_cnt_inperiod > 4000) {
2098	higher_busytraffic = true;
2099
2100	/* Extremely high Rx data. */
2101	if (aver_rx_cnt_inperiod > 5000)
2102	higher_busyrxtraffic = true;
2103	}
2104
2105	/* check every tid's tx traffic */
2106	for (tid = 0; tid <= 7; tid++) {
2107	for (idx = 0; idx <= 2; idx++)
2108	rtlpriv->link_info.tidtx_in4period[tid][idx] =
2109	rtlpriv->link_info.tidtx_in4period[tid]
2110	[idx + 1];
2111	rtlpriv->link_info.tidtx_in4period[tid][3] =
2112	rtlpriv->link_info.tidtx_inperiod[tid];
2113
2114	for (idx = 0; idx <= 3; idx++)
2115	tidtx_inp4eriod[tid] +=
2116	rtlpriv->link_info.tidtx_in4period[tid][idx];
2117	aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
2118	if (aver_tidtx_inperiod[tid] > 5000)
2119	rtlpriv->link_info.higher_busytxtraffic[tid] =
2120	true;
2121	else
2122	rtlpriv->link_info.higher_busytxtraffic[tid] =
2123	false;
2124	}
2125
2126	/* PS is controlled by coex. */
2127	if (rtlpriv->cfg->ops->get_btc_status() &&
2128	rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv))
2129	goto label_lps_done;
2130
2131	if (rtlpriv->link_info.num_rx_inperiod +
2132	rtlpriv->link_info.num_tx_inperiod > 8 ||
2133	rtlpriv->link_info.num_rx_inperiod > 2)
2134	rtl_lps_leave(hw, may_block: true);
2135	else
2136	rtl_lps_enter(hw, may_block: true);
2137
2138	label_lps_done:
2139	;
2140	}
2141
2142	for (tid = 0; tid <= 7; tid++)
2143	rtlpriv->link_info.tidtx_inperiod[tid] = 0;
2144
2145	rtlpriv->link_info.busytraffic = busytraffic;
2146	rtlpriv->link_info.higher_busytraffic = higher_busytraffic;
2147	rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic;
2148	rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic;
2149	rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic;
2150
2151	rtlpriv->stats.txbytesunicast_inperiod =
2152	rtlpriv->stats.txbytesunicast -
2153	rtlpriv->stats.txbytesunicast_last;
2154	rtlpriv->stats.rxbytesunicast_inperiod =
2155	rtlpriv->stats.rxbytesunicast -
2156	rtlpriv->stats.rxbytesunicast_last;
2157	rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast;
2158	rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast;
2159
2160	rtlpriv->stats.txbytesunicast_inperiod_tp =
2161	(u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 /
2162	1024 / 1024);
2163	rtlpriv->stats.rxbytesunicast_inperiod_tp =
2164	(u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 /
2165	1024 / 1024);
2166
2167	/* <3> DM */
2168	if (!rtlpriv->cfg->mod_params->disable_watchdog)
2169	rtlpriv->cfg->ops->dm_watchdog(hw);
2170
2171	/* <4> roaming */
2172	if (mac->link_state == MAC80211_LINKED &&
2173	mac->opmode == NL80211_IFTYPE_STATION) {
2174	if ((rtlpriv->link_info.bcn_rx_inperiod +
2175	rtlpriv->link_info.num_rx_inperiod) == 0) {
2176	rtlpriv->link_info.roam_times++;
2177	rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG,
2178	"AP off for %d s\n",
2179	(rtlpriv->link_info.roam_times * 2));
2180
2181	/* if we can't recv beacon for 10s,
2182	* we should reconnect this AP
2183	*/
2184	if (rtlpriv->link_info.roam_times >= 5) {
2185	pr_err("AP off, try to reconnect now\n");
2186	rtlpriv->link_info.roam_times = 0;
2187	ieee80211_connection_loss(
2188	vif: rtlpriv->mac80211.vif);
2189	}
2190	} else {
2191	rtlpriv->link_info.roam_times = 0;
2192	}
2193	}
2194
2195	if (rtlpriv->cfg->ops->get_btc_status())
2196	rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv);
2197
2198	if (rtlpriv->btcoexist.btc_info.in_4way) {
2199	if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts +
2200	msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME)))
2201	rtlpriv->btcoexist.btc_info.in_4way = false;
2202	}
2203
2204	rtlpriv->link_info.num_rx_inperiod = 0;
2205	rtlpriv->link_info.num_tx_inperiod = 0;
2206	rtlpriv->link_info.bcn_rx_inperiod = 0;
2207
2208	/* <6> scan list */
2209	rtl_scan_list_expire(hw);
2210
2211	/* <7> check ack queue */
2212	rtl_free_entries_from_ack_queue(hw, chk_timeout: true);
2213	}
2214
2215	void rtl_watch_dog_timer_callback(struct timer_list *t)
2216	{
2217	struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer);
2218
2219	queue_delayed_work(wq: rtlpriv->works.rtl_wq,
2220	dwork: &rtlpriv->works.watchdog_wq, delay: 0);
2221
2222	mod_timer(timer: &rtlpriv->works.watchdog_timer,
2223	expires: jiffies + MSECS(RTL_WATCH_DOG_TIME));
2224	}
2225
2226	static void rtl_fwevt_wq_callback(struct work_struct *work)
2227	{
2228	struct rtl_works *rtlworks = container_of(work, struct rtl_works,
2229	fwevt_wq.work);
2230	struct ieee80211_hw *hw = rtlworks->hw;
2231	struct rtl_priv *rtlpriv = rtl_priv(hw);
2232
2233	rtlpriv->cfg->ops->c2h_command_handle(hw);
2234	}
2235
2236	static void rtl_c2h_content_parsing(struct ieee80211_hw *hw,
2237	struct sk_buff *skb);
2238
2239	static bool rtl_c2h_fast_cmd(struct ieee80211_hw *hw, struct sk_buff *skb)
2240	{
2241	u8 cmd_id = GET_C2H_CMD_ID(skb->data);
2242
2243	switch (cmd_id) {
2244	case C2H_BT_MP:
2245	return true;
2246	default:
2247	break;
2248	}
2249
2250	return false;
2251	}
2252
2253	void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, struct sk_buff *skb)
2254	{
2255	struct rtl_priv *rtlpriv = rtl_priv(hw);
2256
2257	if (rtl_c2h_fast_cmd(hw, skb)) {
2258	rtl_c2h_content_parsing(hw, skb);
2259	kfree_skb(skb);
2260	return;
2261	}
2262
2263	/* enqueue */
2264	skb_queue_tail(list: &rtlpriv->c2hcmd_queue, newsk: skb);
2265
2266	/* wake up wq */
2267	queue_delayed_work(wq: rtlpriv->works.rtl_wq, dwork: &rtlpriv->works.c2hcmd_wq, delay: 0);
2268	}
2269	EXPORT_SYMBOL(rtl_c2hcmd_enqueue);
2270
2271	static void rtl_c2h_content_parsing(struct ieee80211_hw *hw,
2272	struct sk_buff *skb)
2273	{
2274	struct rtl_priv *rtlpriv = rtl_priv(hw);
2275	struct rtl_hal_ops *hal_ops = rtlpriv->cfg->ops;
2276	const struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
2277	u8 cmd_id, cmd_len;
2278	u8 *cmd_buf = NULL;
2279
2280	cmd_id = GET_C2H_CMD_ID(skb->data);
2281	cmd_len = skb->len - C2H_DATA_OFFSET;
2282	cmd_buf = GET_C2H_DATA_PTR(skb->data);
2283
2284	switch (cmd_id) {
2285	case C2H_DBG:
2286	rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, "[C2H], C2H_DBG!!\n");
2287	break;
2288	case C2H_TXBF:
2289	rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE,
2290	"[C2H], C2H_TXBF!!\n");
2291	break;
2292	case C2H_TX_REPORT:
2293	rtl_tx_report_handler(hw, cmd_buf, cmd_len);
2294	break;
2295	case C2H_RA_RPT:
2296	if (hal_ops->c2h_ra_report_handler)
2297	hal_ops->c2h_ra_report_handler(hw, cmd_buf, cmd_len);
2298	break;
2299	case C2H_BT_INFO:
2300	rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE,
2301	"[C2H], C2H_BT_INFO!!\n");
2302	if (rtlpriv->cfg->ops->get_btc_status())
2303	btc_ops->btc_btinfo_notify(rtlpriv, cmd_buf, cmd_len);
2304	break;
2305	case C2H_BT_MP:
2306	rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE,
2307	"[C2H], C2H_BT_MP!!\n");
2308	if (rtlpriv->cfg->ops->get_btc_status())
2309	btc_ops->btc_btmpinfo_notify(rtlpriv, cmd_buf, cmd_len);
2310	break;
2311	default:
2312	rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE,
2313	"[C2H], Unknown packet!! cmd_id(%#X)!\n", cmd_id);
2314	break;
2315	}
2316	}
2317
2318	void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec)
2319	{
2320	struct rtl_priv *rtlpriv = rtl_priv(hw);
2321	struct sk_buff *skb;
2322	int i;
2323
2324	for (i = 0; i < 200; i++) {
2325	/* dequeue a task */
2326	skb = skb_dequeue(list: &rtlpriv->c2hcmd_queue);
2327
2328	/* do it */
2329	if (!skb)
2330	break;
2331
2332	rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG, "C2H rx_desc_shift=%d\n",
2333	*((u8 *)skb->cb));
2334	RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_DMESG,
2335	"C2H data: ", skb->data, skb->len);
2336
2337	if (exec)
2338	rtl_c2h_content_parsing(hw, skb);
2339
2340	/* free */
2341	dev_kfree_skb_any(skb);
2342	}
2343	}
2344
2345	static void rtl_c2hcmd_wq_callback(struct work_struct *work)
2346	{
2347	struct rtl_works *rtlworks = container_of(work, struct rtl_works,
2348	c2hcmd_wq.work);
2349	struct ieee80211_hw *hw = rtlworks->hw;
2350
2351	rtl_c2hcmd_launcher(hw, exec: 1);
2352	}
2353
2354	/*********************************************************
2355	*
2356	* frame process functions
2357	*
2358	*********************************************************/
2359	u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
2360	{
2361	struct ieee80211_mgmt *mgmt = (void *)data;
2362	u8 *pos, *end;
2363
2364	pos = (u8 *)mgmt->u.beacon.variable;
2365	end = data + len;
2366	while (pos < end) {
2367	if (pos + 2 + pos[1] > end)
2368	return NULL;
2369
2370	if (pos[0] == ie)
2371	return pos;
2372
2373	pos += 2 + pos[1];
2374	}
2375	return NULL;
2376	}
2377
2378	/* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
2379	/* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
2380	static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
2381	enum ieee80211_smps_mode smps,
2382	u8 *da, u8 *bssid)
2383	{
2384	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
2385	struct sk_buff *skb;
2386	struct ieee80211_mgmt *action_frame;
2387
2388	/* 27 = header + category + action + smps mode */
2389	skb = dev_alloc_skb(length: 27 + hw->extra_tx_headroom);
2390	if (!skb)
2391	return NULL;
2392
2393	skb_reserve(skb, len: hw->extra_tx_headroom);
2394	action_frame = skb_put_zero(skb, len: 27);
2395	memcpy(action_frame->da, da, ETH_ALEN);
2396	memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
2397	memcpy(action_frame->bssid, bssid, ETH_ALEN);
2398	action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2399	IEEE80211_STYPE_ACTION);
2400	action_frame->u.action.category = WLAN_CATEGORY_HT;
2401	action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
2402	switch (smps) {
2403	case IEEE80211_SMPS_AUTOMATIC:/* 0 */
2404	case IEEE80211_SMPS_NUM_MODES:/* 4 */
2405	WARN_ON(1);
2406	fallthrough;
2407	case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
2408	action_frame->u.action.u.ht_smps.smps_control =
2409	WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
2410	break;
2411	case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
2412	action_frame->u.action.u.ht_smps.smps_control =
2413	WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
2414	break;
2415	case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
2416	action_frame->u.action.u.ht_smps.smps_control =
2417	WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
2418	break;
2419	}
2420
2421	return skb;
2422	}
2423
2424	int rtl_send_smps_action(struct ieee80211_hw *hw,
2425	struct ieee80211_sta *sta,
2426	enum ieee80211_smps_mode smps)
2427	{
2428	struct rtl_priv *rtlpriv = rtl_priv(hw);
2429	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2430	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
2431	struct sk_buff *skb = NULL;
2432	struct rtl_tcb_desc tcb_desc;
2433	u8 bssid[ETH_ALEN] = {0};
2434
2435	memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
2436
2437	if (rtlpriv->mac80211.act_scanning)
2438	goto err_free;
2439
2440	if (!sta)
2441	goto err_free;
2442
2443	if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
2444	goto err_free;
2445
2446	if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
2447	goto err_free;
2448
2449	if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
2450	memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
2451	else
2452	memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
2453
2454	skb = rtl_make_smps_action(hw, smps, da: sta->addr, bssid);
2455	/* this is a type = mgmt * stype = action frame */
2456	if (skb) {
2457	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
2458	struct rtl_sta_info *sta_entry =
2459	(struct rtl_sta_info *) sta->drv_priv;
2460	sta_entry->mimo_ps = smps;
2461	/* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); */
2462
2463	info->control.rates[0].idx = 0;
2464	info->band = hw->conf.chandef.chan->band;
2465	rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
2466	}
2467	return 1;
2468
2469	err_free:
2470	return 0;
2471	}
2472	EXPORT_SYMBOL(rtl_send_smps_action);
2473
2474	void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation)
2475	{
2476	struct rtl_priv *rtlpriv = rtl_priv(hw);
2477	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2478	enum io_type iotype;
2479
2480	if (!is_hal_stop(rtlhal)) {
2481	switch (operation) {
2482	case SCAN_OPT_BACKUP:
2483	iotype = IO_CMD_PAUSE_DM_BY_SCAN;
2484	rtlpriv->cfg->ops->set_hw_reg(hw,
2485	HW_VAR_IO_CMD,
2486	(u8 *)&iotype);
2487	break;
2488	case SCAN_OPT_RESTORE:
2489	iotype = IO_CMD_RESUME_DM_BY_SCAN;
2490	rtlpriv->cfg->ops->set_hw_reg(hw,
2491	HW_VAR_IO_CMD,
2492	(u8 *)&iotype);
2493	break;
2494	default:
2495	pr_err("Unknown Scan Backup operation.\n");
2496	break;
2497	}
2498	}
2499	}
2500	EXPORT_SYMBOL(rtl_phy_scan_operation_backup);
2501
2502	/* because mac80211 have issues when can receive del ba
2503	* so here we just make a fake del_ba if we receive a ba_req
2504	* but rx_agg was opened to let mac80211 release some ba
2505	* related resources, so please this del_ba for tx
2506	*/
2507	struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
2508	u8 *sa, u8 *bssid, u16 tid)
2509	{
2510	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
2511	struct sk_buff *skb;
2512	struct ieee80211_mgmt *action_frame;
2513	u16 params;
2514
2515	/* 27 = header + category + action + smps mode */
2516	skb = dev_alloc_skb(length: 34 + hw->extra_tx_headroom);
2517	if (!skb)
2518	return NULL;
2519
2520	skb_reserve(skb, len: hw->extra_tx_headroom);
2521	action_frame = skb_put_zero(skb, len: 34);
2522	memcpy(action_frame->sa, sa, ETH_ALEN);
2523	memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
2524	memcpy(action_frame->bssid, bssid, ETH_ALEN);
2525	action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2526	IEEE80211_STYPE_ACTION);
2527	action_frame->u.action.category = WLAN_CATEGORY_BACK;
2528	action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
2529	params = (u16)(1 << 11); /* bit 11 initiator */
2530	params |= (u16)(tid << 12); /* bit 15:12 TID number */
2531
2532	action_frame->u.action.u.delba.params = cpu_to_le16(params);
2533	action_frame->u.action.u.delba.reason_code =
2534	cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
2535
2536	return skb;
2537	}
2538
2539	/*********************************************************
2540	*
2541	* IOT functions
2542	*
2543	*********************************************************/
2544	static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
2545	struct octet_string vendor_ie)
2546	{
2547	struct rtl_priv *rtlpriv = rtl_priv(hw);
2548	bool matched = false;
2549	static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
2550	static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
2551	static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
2552	static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
2553	static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
2554	static u8 racap[] = { 0x00, 0x0c, 0x43 };
2555	static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
2556	static u8 marvcap[] = { 0x00, 0x50, 0x43 };
2557
2558	if (memcmp(p: vendor_ie.octet, q: athcap_1, size: 3) == 0 ||
2559	memcmp(p: vendor_ie.octet, q: athcap_2, size: 3) == 0) {
2560	rtlpriv->mac80211.vendor = PEER_ATH;
2561	matched = true;
2562	} else if (memcmp(p: vendor_ie.octet, q: broadcap_1, size: 3) == 0 ||
2563	memcmp(p: vendor_ie.octet, q: broadcap_2, size: 3) == 0 ||
2564	memcmp(p: vendor_ie.octet, q: broadcap_3, size: 3) == 0) {
2565	rtlpriv->mac80211.vendor = PEER_BROAD;
2566	matched = true;
2567	} else if (memcmp(p: vendor_ie.octet, q: racap, size: 3) == 0) {
2568	rtlpriv->mac80211.vendor = PEER_RAL;
2569	matched = true;
2570	} else if (memcmp(p: vendor_ie.octet, q: ciscocap, size: 3) == 0) {
2571	rtlpriv->mac80211.vendor = PEER_CISCO;
2572	matched = true;
2573	} else if (memcmp(p: vendor_ie.octet, q: marvcap, size: 3) == 0) {
2574	rtlpriv->mac80211.vendor = PEER_MARV;
2575	matched = true;
2576	}
2577
2578	return matched;
2579	}
2580
2581	static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
2582	unsigned int len)
2583	{
2584	struct ieee80211_mgmt *mgmt = (void *)data;
2585	struct octet_string vendor_ie;
2586	u8 *pos, *end;
2587
2588	pos = (u8 *)mgmt->u.beacon.variable;
2589	end = data + len;
2590	while (pos < end) {
2591	if (pos[0] == 221) {
2592	vendor_ie.length = pos[1];
2593	vendor_ie.octet = &pos[2];
2594	if (rtl_chk_vendor_ouisub(hw, vendor_ie))
2595	return true;
2596	}
2597
2598	if (pos + 2 + pos[1] > end)
2599	return false;
2600
2601	pos += 2 + pos[1];
2602	}
2603	return false;
2604	}
2605
2606	void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
2607	{
2608	struct rtl_priv *rtlpriv = rtl_priv(hw);
2609	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2610	struct ieee80211_hdr *hdr = (void *)data;
2611	u32 vendor = PEER_UNKNOWN;
2612
2613	static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
2614	static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
2615	static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
2616	static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
2617	static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
2618	static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
2619	static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
2620	static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
2621	static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
2622	static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
2623	static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
2624	static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
2625	static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
2626	static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
2627	static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
2628	static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
2629
2630	if (mac->opmode != NL80211_IFTYPE_STATION)
2631	return;
2632
2633	if (mac->link_state == MAC80211_NOLINK) {
2634	mac->vendor = PEER_UNKNOWN;
2635	return;
2636	}
2637
2638	if (mac->cnt_after_linked > 2)
2639	return;
2640
2641	/* check if this really is a beacon */
2642	if (!ieee80211_is_beacon(fc: hdr->frame_control))
2643	return;
2644
2645	/* min. beacon length + FCS_LEN */
2646	if (len <= 40 + FCS_LEN)
2647	return;
2648
2649	/* and only beacons from the associated BSSID, please */
2650	if (!ether_addr_equal_64bits(addr1: hdr->addr3, addr2: rtlpriv->mac80211.bssid))
2651	return;
2652
2653	if (rtl_find_221_ie(hw, data, len))
2654	vendor = mac->vendor;
2655
2656	if ((memcmp(p: mac->bssid, q: ap5_1, size: 3) == 0) ||
2657	(memcmp(p: mac->bssid, q: ap5_2, size: 3) == 0) ||
2658	(memcmp(p: mac->bssid, q: ap5_3, size: 3) == 0) ||
2659	(memcmp(p: mac->bssid, q: ap5_4, size: 3) == 0) ||
2660	(memcmp(p: mac->bssid, q: ap5_5, size: 3) == 0) ||
2661	(memcmp(p: mac->bssid, q: ap5_6, size: 3) == 0) ||
2662	vendor == PEER_ATH) {
2663	vendor = PEER_ATH;
2664	rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n");
2665	} else if ((memcmp(p: mac->bssid, q: ap4_4, size: 3) == 0) ||
2666	(memcmp(p: mac->bssid, q: ap4_5, size: 3) == 0) ||
2667	(memcmp(p: mac->bssid, q: ap4_1, size: 3) == 0) ||
2668	(memcmp(p: mac->bssid, q: ap4_2, size: 3) == 0) ||
2669	(memcmp(p: mac->bssid, q: ap4_3, size: 3) == 0) ||
2670	vendor == PEER_RAL) {
2671	rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n");
2672	vendor = PEER_RAL;
2673	} else if (memcmp(p: mac->bssid, q: ap6_1, size: 3) == 0 ||
2674	vendor == PEER_CISCO) {
2675	vendor = PEER_CISCO;
2676	rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n");
2677	} else if ((memcmp(p: mac->bssid, q: ap3_1, size: 3) == 0) ||
2678	(memcmp(p: mac->bssid, q: ap3_2, size: 3) == 0) ||
2679	(memcmp(p: mac->bssid, q: ap3_3, size: 3) == 0) ||
2680	vendor == PEER_BROAD) {
2681	rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n");
2682	vendor = PEER_BROAD;
2683	} else if (memcmp(p: mac->bssid, q: ap7_1, size: 3) == 0 ||
2684	vendor == PEER_MARV) {
2685	vendor = PEER_MARV;
2686	rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n");
2687	}
2688
2689	mac->vendor = vendor;
2690	}
2691	EXPORT_SYMBOL_GPL(rtl_recognize_peer);
2692
2693	MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
2694	MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
2695	MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
2696	MODULE_LICENSE("GPL");
2697	MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
2698
2699	struct rtl_global_var rtl_global_var = {};
2700	EXPORT_SYMBOL_GPL(rtl_global_var);
2701
2702	static int __init rtl_core_module_init(void)
2703	{
2704	BUILD_BUG_ON(TX_PWR_BY_RATE_NUM_RATE < TX_PWR_BY_RATE_NUM_SECTION);
2705	BUILD_BUG_ON(MAX_RATE_SECTION_NUM != MAX_RATE_SECTION);
2706	BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_24G != MAX_RATE_SECTION);
2707	BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_5G != (MAX_RATE_SECTION - 1));
2708
2709	if (rtl_rate_control_register())
2710	pr_err("rtl: Unable to register rtl_rc, use default RC !!\n");
2711
2712	/* add debugfs */
2713	rtl_debugfs_add_topdir();
2714
2715	/* init some global vars */
2716	INIT_LIST_HEAD(list: &rtl_global_var.glb_priv_list);
2717	spin_lock_init(&rtl_global_var.glb_list_lock);
2718
2719	return 0;
2720	}
2721
2722	static void __exit rtl_core_module_exit(void)
2723	{
2724	/*RC*/
2725	rtl_rate_control_unregister();
2726
2727	/* remove debugfs */
2728	rtl_debugfs_remove_topdir();
2729	}
2730
2731	module_init(rtl_core_module_init);
2732	module_exit(rtl_core_module_exit);
2733