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usb: dwc3: keystone: drop dma_mask configuration
[linux/fpc-iii.git] / drivers / staging / rtl8192ee / base.c
blob64ade216a153e28a2d1e818259cba8758e3e16b7
1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2010 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 <linux/ip.h>
27 #include <linux/module.h>
28 #include "wifi.h"
29 #include "rc.h"
30 #include "base.h"
31 #include "efuse.h"
32 #include "cam.h"
33 #include "ps.h"
34 #include "regd.h"
35 #include "pci.h"
36
37 /*
38 *NOTICE!!!: This file will be very big, we hsould
39 *keep it clear under follwing roles:
40 *
41 *This file include follwing part, so, if you add new
42 *functions into this file, please check which part it
43 *should includes. or check if you should add new part
44 *for this file:
45 *
46 *1) mac80211 init functions
47 *2) tx information functions
48 *3) functions called by core.c
49 *4) wq & timer callback functions
50 *5) frame process functions
51 *6) IOT functions
52 *7) sysfs functions
53 *8) vif functions
54 *9) ...
55 */
56
57 /*********************************************************
58 *
59 * mac80211 init functions
60 *
61 *********************************************************/
62 static struct ieee80211_channel rtl_channeltable_2g[] = {
63 {.center_freq = 2412, .hw_value = 1,},
64 {.center_freq = 2417, .hw_value = 2,},
65 {.center_freq = 2422, .hw_value = 3,},
66 {.center_freq = 2427, .hw_value = 4,},
67 {.center_freq = 2432, .hw_value = 5,},
68 {.center_freq = 2437, .hw_value = 6,},
69 {.center_freq = 2442, .hw_value = 7,},
70 {.center_freq = 2447, .hw_value = 8,},
71 {.center_freq = 2452, .hw_value = 9,},
72 {.center_freq = 2457, .hw_value = 10,},
73 {.center_freq = 2462, .hw_value = 11,},
74 {.center_freq = 2467, .hw_value = 12,},
75 {.center_freq = 2472, .hw_value = 13,},
76 {.center_freq = 2484, .hw_value = 14,},
77 };
78
79 static struct ieee80211_channel rtl_channeltable_5g[] = {
80 {.center_freq = 5180, .hw_value = 36,},
81 {.center_freq = 5200, .hw_value = 40,},
82 {.center_freq = 5220, .hw_value = 44,},
83 {.center_freq = 5240, .hw_value = 48,},
84 {.center_freq = 5260, .hw_value = 52,},
85 {.center_freq = 5280, .hw_value = 56,},
86 {.center_freq = 5300, .hw_value = 60,},
87 {.center_freq = 5320, .hw_value = 64,},
88 {.center_freq = 5500, .hw_value = 100,},
89 {.center_freq = 5520, .hw_value = 104,},
90 {.center_freq = 5540, .hw_value = 108,},
91 {.center_freq = 5560, .hw_value = 112,},
92 {.center_freq = 5580, .hw_value = 116,},
93 {.center_freq = 5600, .hw_value = 120,},
94 {.center_freq = 5620, .hw_value = 124,},
95 {.center_freq = 5640, .hw_value = 128,},
96 {.center_freq = 5660, .hw_value = 132,},
97 {.center_freq = 5680, .hw_value = 136,},
98 {.center_freq = 5700, .hw_value = 140,},
99 {.center_freq = 5745, .hw_value = 149,},
100 {.center_freq = 5765, .hw_value = 153,},
101 {.center_freq = 5785, .hw_value = 157,},
102 {.center_freq = 5805, .hw_value = 161,},
103 {.center_freq = 5825, .hw_value = 165,},
104 };
105
106 static struct ieee80211_rate rtl_ratetable_2g[] = {
107 {.bitrate = 10, .hw_value = 0x00,},
108 {.bitrate = 20, .hw_value = 0x01,},
109 {.bitrate = 55, .hw_value = 0x02,},
110 {.bitrate = 110, .hw_value = 0x03,},
111 {.bitrate = 60, .hw_value = 0x04,},
112 {.bitrate = 90, .hw_value = 0x05,},
113 {.bitrate = 120, .hw_value = 0x06,},
114 {.bitrate = 180, .hw_value = 0x07,},
115 {.bitrate = 240, .hw_value = 0x08,},
116 {.bitrate = 360, .hw_value = 0x09,},
117 {.bitrate = 480, .hw_value = 0x0a,},
118 {.bitrate = 540, .hw_value = 0x0b,},
119 };
120
121 static struct ieee80211_rate rtl_ratetable_5g[] = {
122 {.bitrate = 60, .hw_value = 0x04,},
123 {.bitrate = 90, .hw_value = 0x05,},
124 {.bitrate = 120, .hw_value = 0x06,},
125 {.bitrate = 180, .hw_value = 0x07,},
126 {.bitrate = 240, .hw_value = 0x08,},
127 {.bitrate = 360, .hw_value = 0x09,},
128 {.bitrate = 480, .hw_value = 0x0a,},
129 {.bitrate = 540, .hw_value = 0x0b,},
130 };
131
132 static const struct ieee80211_supported_band rtl_band_2ghz = {
133 .band = IEEE80211_BAND_2GHZ,
134
135 .channels = rtl_channeltable_2g,
136 .n_channels = ARRAY_SIZE(rtl_channeltable_2g),
137
138 .bitrates = rtl_ratetable_2g,
139 .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g),
140
141 .ht_cap = {0},
142 };
143
144 static struct ieee80211_supported_band rtl_band_5ghz = {
145 .band = IEEE80211_BAND_5GHZ,
146
147 .channels = rtl_channeltable_5g,
148 .n_channels = ARRAY_SIZE(rtl_channeltable_5g),
149
150 .bitrates = rtl_ratetable_5g,
151 .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g),
152
153 .ht_cap = {0},
154 };
155
156 static const u8 tid_to_ac[] = {
157 2, /* IEEE80211_AC_BE */
158 3, /* IEEE80211_AC_BK */
159 3, /* IEEE80211_AC_BK */
160 2, /* IEEE80211_AC_BE */
161 1, /* IEEE80211_AC_VI */
162 1, /* IEEE80211_AC_VI */
163 0, /* IEEE80211_AC_VO */
164 0, /* IEEE80211_AC_VO */
165 };
166
167 u8 rtl92e_tid_to_ac(struct ieee80211_hw *hw, u8 tid)
168 {
169 return tid_to_ac[tid];
170 }
171
172 static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
173 struct ieee80211_sta_ht_cap *ht_cap)
174 {
175 struct rtl_priv *rtlpriv = rtl_priv(hw);
176 struct rtl_phy *rtlphy = &(rtlpriv->phy);
177
178 ht_cap->ht_supported = true;
179 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
180 IEEE80211_HT_CAP_SGI_40 |
181 IEEE80211_HT_CAP_SGI_20 |
182 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
183
184 if (rtlpriv->rtlhal.disable_amsdu_8k)
185 ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
186
187 /*
188 *Maximum length of AMPDU that the STA can receive.
189 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
190 */
191 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
192
193 /*Minimum MPDU start spacing , */
194 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
195
196 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
197
198 /*
199 *hw->wiphy->bands[IEEE80211_BAND_2GHZ]
200 *base on ant_num
201 *rx_mask: RX mask
202 *if rx_ant =1 rx_mask[0]=0xff;==>MCS0-MCS7
203 *if rx_ant =2 rx_mask[1]=0xff;==>MCS8-MCS15
204 *if rx_ant >=3 rx_mask[2]=0xff;
205 *if BW_40 rx_mask[4]=0x01;
206 *highest supported RX rate
207 */
208 if (rtlpriv->dm.supp_phymode_switch) {
209 RT_TRACE(COMP_INIT, DBG_EMERG, ("Support phy mode switch\n"));
210
211 ht_cap->mcs.rx_mask[0] = 0xFF;
212 ht_cap->mcs.rx_mask[1] = 0xFF;
213 ht_cap->mcs.rx_mask[4] = 0x01;
214
215 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
216 } else {
217 if (get_rf_type(rtlphy) == RF_1T2R ||
218 get_rf_type(rtlphy) == RF_2T2R) {
219 RT_TRACE(COMP_INIT, DBG_DMESG, ("1T2R or 2T2R\n"));
220
221 ht_cap->mcs.rx_mask[0] = 0xFF;
222 ht_cap->mcs.rx_mask[1] = 0xFF;
223 ht_cap->mcs.rx_mask[4] = 0x01;
224
225 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
226 } else if (get_rf_type(rtlphy) == RF_1T1R) {
227 RT_TRACE(COMP_INIT, DBG_DMESG, ("1T1R\n"));
228
229 ht_cap->mcs.rx_mask[0] = 0xFF;
230 ht_cap->mcs.rx_mask[1] = 0x00;
231 ht_cap->mcs.rx_mask[4] = 0x01;
232
233 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
234 }
235 }
236 }
237
238 static void _rtl_init_hw_vht_capab(struct ieee80211_hw *hw,
239 struct ieee80211_sta_vht_cap *vht_cap)
240 {
241 struct rtl_priv *rtlpriv = rtl_priv(hw);
242 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
243
244 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
245 u16 mcs_map;
246 vht_cap->vht_supported = true;
247 vht_cap->cap =
248 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 |
249 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
250 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
251 IEEE80211_VHT_CAP_SHORT_GI_80 |
252 IEEE80211_VHT_CAP_TXSTBC |
253 IEEE80211_VHT_CAP_RXSTBC_1 |
254 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
255 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
256 IEEE80211_VHT_CAP_HTC_VHT |
257 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
258 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
259 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
260 0;
261
262 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
263 IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
264 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
265 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
266 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
267 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
268 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
269 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
270
271 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
272 vht_cap->vht_mcs.rx_highest =
273 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
274 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
275 vht_cap->vht_mcs.tx_highest =
276 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
277 } else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
278 u16 mcs_map;
279
280 vht_cap->vht_supported = true;
281 vht_cap->cap =
282 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 |
283 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
284 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
285 IEEE80211_VHT_CAP_SHORT_GI_80 |
286 IEEE80211_VHT_CAP_TXSTBC |
287 IEEE80211_VHT_CAP_RXSTBC_1 |
288 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
289 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
290 IEEE80211_VHT_CAP_HTC_VHT |
291 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
292 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
293 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
294 0;
295
296 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
297 IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 |
298 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
299 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
300 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
301 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
302 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
303 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
304
305 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
306 vht_cap->vht_mcs.rx_highest =
307 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
308 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
309 vht_cap->vht_mcs.tx_highest =
310 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
311 }
312 }
313
314 static void _rtl_init_mac80211(struct ieee80211_hw *hw)
315 {
316 struct rtl_priv *rtlpriv = rtl_priv(hw);
317 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
318 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
319 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
320 struct ieee80211_supported_band *sband;
321
322
323 if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY &&
324 rtlhal->bandset == BAND_ON_BOTH) {
325 /* 1: 2.4 G bands */
326 /* <1> use mac->bands as mem for hw->wiphy->bands */
327 sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]);
328
329 /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
330 * to default value(1T1R) */
331 memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), &rtl_band_2ghz,
332 sizeof(struct ieee80211_supported_band));
333
334 /* <3> init ht cap base on ant_num */
335 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
336
337 /* <4> set mac->sband to wiphy->sband */
338 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
339
340 /* 2: 5 G bands */
341 /* <1> use mac->bands as mem for hw->wiphy->bands */
342 sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
343
344 /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
345 * to default value(1T1R) */
346 memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), &rtl_band_5ghz,
347 sizeof(struct ieee80211_supported_band));
348
349 /* <3> init ht cap base on ant_num */
350 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
351
352 _rtl_init_hw_vht_capab(hw, &sband->vht_cap);
353
354 /* <4> set mac->sband to wiphy->sband */
355 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
356 } else {
357 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
358 /* <1> use mac->bands as mem for hw->wiphy->bands */
359 sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]);
360
361 /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
362 * to default value(1T1R) */
363 memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]),
364 &rtl_band_2ghz,
365 sizeof(struct ieee80211_supported_band));
366
367 /* <3> init ht cap base on ant_num */
368 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
369
370 /* <4> set mac->sband to wiphy->sband */
371 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
372 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
373 /* <1> use mac->bands as mem for hw->wiphy->bands */
374 sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
375
376 /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
377 * to default value(1T1R) */
378 memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]),
379 &rtl_band_5ghz,
380 sizeof(struct ieee80211_supported_band));
381
382 /* <3> init ht cap base on ant_num */
383 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
384
385 _rtl_init_hw_vht_capab(hw, &sband->vht_cap);
386
387 /* <4> set mac->sband to wiphy->sband */
388 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
389 } else {
390 RT_TRACE(COMP_INIT, DBG_EMERG,
391 ("Err BAND %d\n", rtlhal->current_bandtype));
392 }
393 }
394 /* <5> set hw caps */
395 hw->flags = IEEE80211_HW_SIGNAL_DBM |
396 IEEE80211_HW_RX_INCLUDES_FCS |
397 IEEE80211_HW_AMPDU_AGGREGATION |
398 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
399 IEEE80211_HW_CONNECTION_MONITOR |
400 /* IEEE80211_HW_SUPPORTS_CQM_RSSI | */
401 IEEE80211_HW_MFP_CAPABLE | 0;
402
403 /* swlps or hwlps has been set in diff chip in init_sw_vars */
404 if (rtlpriv->psc.b_swctrl_lps)
405 hw->flags |= IEEE80211_HW_SUPPORTS_PS |
406 IEEE80211_HW_PS_NULLFUNC_STACK |
407 /* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */
408 0;
409 /*<delete in kernel start>*/
410 hw->wiphy->interface_modes =
411 BIT(NL80211_IFTYPE_AP) |
412 BIT(NL80211_IFTYPE_STATION) |
413 BIT(NL80211_IFTYPE_ADHOC) |
414 BIT(NL80211_IFTYPE_MESH_POINT) |
415 BIT(NL80211_IFTYPE_P2P_CLIENT) |
416 BIT(NL80211_IFTYPE_P2P_GO);
417 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
418
419 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
420
421 hw->wiphy->rts_threshold = 2347;
422
423 hw->queues = AC_MAX;
424 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
425
426 /* TODO: Correct this value for our hw */
427 /* TODO: define these hard code value */
428 /* hw->channel_change_time = 100; kernel does not use it*/
429 hw->max_listen_interval = 10;
430 hw->max_rate_tries = 4;
431 /* hw->max_rates = 1; */
432 hw->sta_data_size = sizeof(struct rtl_sta_info);
433
434 /* wowlan is not supported by kernel if CONFIG_PM is not defined */
435 #ifdef CONFIG_PM
436 if (rtlpriv->psc.wo_wlan_mode) {
437 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET)
438 rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT;
439 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) {
440 rtlpriv->wowlan.n_patterns =
441 MAX_SUPPORT_WOL_PATTERN_NUM;
442 rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE;
443 rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE;
444 }
445 hw->wiphy->wowlan = &(rtlpriv->wowlan);
446 }
447 #endif
448
449 /* <6> mac address */
450 if (is_valid_ether_addr(rtlefuse->dev_addr)) {
451 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
452 } else {
453 u8 rtlmac[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
454 get_random_bytes((rtlmac + (ETH_ALEN - 1)), 1);
455 SET_IEEE80211_PERM_ADDR(hw, rtlmac);
456 }
457 }
458
459 static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
460 {
461 struct rtl_priv *rtlpriv = rtl_priv(hw);
462
463 /* <1> timer */
464 init_timer(&rtlpriv->works.watchdog_timer);
465 setup_timer(&rtlpriv->works.watchdog_timer,
466 rtl92e_watch_dog_timer_callback, (unsigned long)hw);
467 init_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer);
468 setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
469 rtl92e_easy_concurrent_retrytimer_callback, (unsigned long)hw);
470 /* <2> work queue */
471 rtlpriv->works.hw = hw;
472 rtlpriv->works.rtl_wq = alloc_workqueue(rtlpriv->cfg->name, 0, 0);
473 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
474 (void *)rtl92e_watchdog_wq_callback);
475 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
476 (void *)rtl92e_ips_nic_off_wq_callback);
477 INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
478 (void *)rtl92e_swlps_wq_callback);
479 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
480 (void *)rtl92e_swlps_rfon_wq_callback);
481 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq,
482 (void *)rtl92e_fwevt_wq_callback);
483 }
484
485 void rtl92e_deinit_deferred_work(struct ieee80211_hw *hw)
486 {
487 struct rtl_priv *rtlpriv = rtl_priv(hw);
488
489 del_timer_sync(&rtlpriv->works.watchdog_timer);
490
491 cancel_delayed_work(&rtlpriv->works.watchdog_wq);
492 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
493 cancel_delayed_work(&rtlpriv->works.ps_work);
494 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
495 cancel_delayed_work(&rtlpriv->works.fwevt_wq);
496 }
497
498 void rtl92e_init_rfkill(struct ieee80211_hw *hw)
499 {
500 struct rtl_priv *rtlpriv = rtl_priv(hw);
501
502 bool radio_state;
503 bool blocked;
504 u8 valid = 0;
505
506 /*set init state to on */
507 rtlpriv->rfkill.rfkill_state = 1;
508 wiphy_rfkill_set_hw_state(hw->wiphy, 0);
509
510 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
511
512 if (valid) {
513 pr_info("rtlwifi: wireless switch is %s\n",
514 rtlpriv->rfkill.rfkill_state ? "on" : "off");
515
516 rtlpriv->rfkill.rfkill_state = radio_state;
517
518 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
519 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
520 }
521
522 wiphy_rfkill_start_polling(hw->wiphy);
523 }
524
525 void rtl92e_deinit_rfkill(struct ieee80211_hw *hw)
526 {
527 wiphy_rfkill_stop_polling(hw->wiphy);
528 }
529
530 #ifdef VIF_TODO
531 static void rtl_init_vif(struct ieee80211_hw *hw)
532 {
533 struct rtl_priv *rtlpriv = rtl_priv(hw);
534
535 INIT_LIST_HEAD(&rtlpriv->vif_priv.vif_list);
536
537 rtlpriv->vif_priv.vifs = 0;
538 }
539 #endif
540
541 int rtl92e_init_core(struct ieee80211_hw *hw)
542 {
543 struct rtl_priv *rtlpriv = rtl_priv(hw);
544 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
545
546 /* <1> init mac80211 */
547 _rtl_init_mac80211(hw);
548 rtlmac->hw = hw;
549 rtlmac->link_state = MAC80211_NOLINK;
550
551 /* <2> rate control register */
552 hw->rate_control_algorithm = "rtl_rc";
553
554 /*
555 * <3> init CRDA must come after init
556 * mac80211 hw in _rtl_init_mac80211.
557 */
558 if (rtl92e_regd_init(hw, rtl92e_reg_notifier)) {
559 RT_TRACE(COMP_ERR, DBG_EMERG, ("REGD init failed\n"));
560 return 1;
561 }
562
563 /* <4> locks */
564 mutex_init(&rtlpriv->locks.conf_mutex);
565 spin_lock_init(&rtlpriv->locks.ips_lock);
566 spin_lock_init(&rtlpriv->locks.irq_th_lock);
567 spin_lock_init(&rtlpriv->locks.h2c_lock);
568 spin_lock_init(&rtlpriv->locks.rf_ps_lock);
569 spin_lock_init(&rtlpriv->locks.rf_lock);
570 spin_lock_init(&rtlpriv->locks.lps_lock);
571 spin_lock_init(&rtlpriv->locks.waitq_lock);
572 spin_lock_init(&rtlpriv->locks.entry_list_lock);
573 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
574 spin_lock_init(&rtlpriv->locks.check_sendpkt_lock);
575 spin_lock_init(&rtlpriv->locks.fw_ps_lock);
576 spin_lock_init(&rtlpriv->locks.iqk_lock);
577 /* <5> init list */
578 INIT_LIST_HEAD(&rtlpriv->entry_list);
579
580 /* <6> init deferred work */
581 _rtl_init_deferred_work(hw);
582
583 /* <7> */
584 #ifdef VIF_TODO
585 rtl_init_vif(hw);
586 #endif
587
588 return 0;
589 }
590
591 void rtl92e_deinit_core(struct ieee80211_hw *hw)
592 {
593 }
594
595 void rtl92e_init_rx_config(struct ieee80211_hw *hw)
596 {
597 struct rtl_priv *rtlpriv = rtl_priv(hw);
598 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
599
600 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *)(&mac->rx_conf));
601 }
602
603 /*********************************************************
604 *
605 * tx information functions
606 *
607 *********************************************************/
608 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
609 struct rtl_tcb_desc *tcb_desc,
610 struct ieee80211_tx_info *info)
611 {
612 struct rtl_priv *rtlpriv = rtl_priv(hw);
613 u8 rate_flag = info->control.rates[0].flags;
614
615 tcb_desc->use_shortpreamble = false;
616
617 /* 1M can only use Long Preamble. 11B spec */
618 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
619 return;
620 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
621 tcb_desc->use_shortpreamble = true;
622
623 return;
624 }
625
626 static void _rtl_query_shortgi(struct ieee80211_hw *hw,
627 struct ieee80211_sta *sta,
628 struct rtl_tcb_desc *tcb_desc,
629 struct ieee80211_tx_info *info)
630 {
631 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
632 u8 rate_flag = info->control.rates[0].flags;
633 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
634 u8 sgi_80 = 0, bw_80 = 0;
635 tcb_desc->use_shortgi = false;
636
637 if (sta == NULL)
638 return;
639
640 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
641 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
642 sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80;
643
644 if (!(sta->ht_cap.ht_supported) && !(sta->vht_cap.vht_supported))
645 return;
646
647 if (!sgi_40 && !sgi_20)
648 return;
649
650 if (mac->opmode == NL80211_IFTYPE_STATION) {
651 bw_40 = mac->bw_40;
652 bw_80 = mac->bw_80;
653 } else if (mac->opmode == NL80211_IFTYPE_AP ||
654 mac->opmode == NL80211_IFTYPE_ADHOC ||
655 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
656 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
657 bw_80 = sta->vht_cap.vht_supported;
658 }
659
660 if (bw_80) {
661 if (sgi_80)
662 tcb_desc->use_shortgi = true;
663 else
664 tcb_desc->use_shortgi = false;
665 } else {
666 if (bw_40 && sgi_40)
667 tcb_desc->use_shortgi = true;
668 else if (!bw_40 && sgi_20)
669 tcb_desc->use_shortgi = true;
670 }
671
672 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
673 tcb_desc->use_shortgi = false;
674 }
675
676 static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
677 struct rtl_tcb_desc *tcb_desc,
678 struct ieee80211_tx_info *info)
679 {
680 struct rtl_priv *rtlpriv = rtl_priv(hw);
681 u8 rate_flag = info->control.rates[0].flags;
682
683 /* Common Settings */
684 tcb_desc->b_rts_stbc = false;
685 tcb_desc->b_cts_enable = false;
686 tcb_desc->rts_sc = 0;
687 tcb_desc->b_rts_bw = false;
688 tcb_desc->b_rts_use_shortpreamble = false;
689 tcb_desc->b_rts_use_shortgi = false;
690
691 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
692 /* Use CTS-to-SELF in protection mode. */
693 tcb_desc->b_rts_enable = true;
694 tcb_desc->b_cts_enable = true;
695 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
696 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
697 /* Use RTS-CTS in protection mode. */
698 tcb_desc->b_rts_enable = true;
699 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
700 }
701 }
702
703 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
704 struct ieee80211_sta *sta,
705 struct rtl_tcb_desc *tcb_desc)
706 {
707 struct rtl_priv *rtlpriv = rtl_priv(hw);
708 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
709 struct rtl_sta_info *sta_entry = NULL;
710 u8 ratr_index = 7;
711
712 if (sta) {
713 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
714 ratr_index = sta_entry->ratr_index;
715 }
716 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
717 if (mac->opmode == NL80211_IFTYPE_STATION) {
718 tcb_desc->ratr_index = 0;
719 } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
720 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
721 if (tcb_desc->b_multicast || tcb_desc->b_broadcast) {
722 tcb_desc->hw_rate =
723 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
724 tcb_desc->use_driver_rate = 1;
725 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
726 } else {
727 tcb_desc->ratr_index = ratr_index;
728 }
729 } else if (mac->opmode == NL80211_IFTYPE_AP) {
730 tcb_desc->ratr_index = ratr_index;
731 }
732 }
733
734 if (rtlpriv->dm.b_useramask) {
735 tcb_desc->ratr_index = ratr_index;
736 /* TODO we will differentiate adhoc and station futrue */
737 if (mac->opmode == NL80211_IFTYPE_STATION ||
738 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
739 tcb_desc->mac_id = 0;
740
741 if (mac->mode == WIRELESS_MODE_AC_5G)
742 tcb_desc->ratr_index =
743 RATR_INX_WIRELESS_AC_5N;
744 else if (mac->mode == WIRELESS_MODE_AC_24G)
745 tcb_desc->ratr_index =
746 RATR_INX_WIRELESS_AC_24N;
747 else if (mac->mode == WIRELESS_MODE_N_24G)
748 tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB;
749 else if (mac->mode == WIRELESS_MODE_N_5G)
750 tcb_desc->ratr_index = RATR_INX_WIRELESS_NG;
751 else if (mac->mode & WIRELESS_MODE_G)
752 tcb_desc->ratr_index = RATR_INX_WIRELESS_GB;
753 else if (mac->mode & WIRELESS_MODE_B)
754 tcb_desc->ratr_index = RATR_INX_WIRELESS_B;
755 else if (mac->mode & WIRELESS_MODE_A)
756 tcb_desc->ratr_index = RATR_INX_WIRELESS_G;
757
758 } else if (mac->opmode == NL80211_IFTYPE_AP ||
759 mac->opmode == NL80211_IFTYPE_ADHOC) {
760 if (sta) {
761 if (sta->aid > 0)
762 tcb_desc->mac_id = sta->aid + 1;
763 else
764 tcb_desc->mac_id = 1;
765 } else {
766 tcb_desc->mac_id = 0;
767 }
768 }
769 }
770 }
771
772 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
773 struct ieee80211_sta *sta,
774 struct rtl_tcb_desc *tcb_desc)
775 {
776 struct rtl_priv *rtlpriv = rtl_priv(hw);
777 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
778
779 tcb_desc->packet_bw = 0;
780 if (!sta)
781 return;
782 if (mac->opmode == NL80211_IFTYPE_AP ||
783 mac->opmode == NL80211_IFTYPE_ADHOC ||
784 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
785 if (!(sta->ht_cap.ht_supported) ||
786 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
787 return;
788 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
789 if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
790 return;
791 }
792 if (tcb_desc->b_multicast || tcb_desc->b_broadcast)
793 return;
794
795 /*use legency rate, shall use 20MHz */
796 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
797 return;
798
799 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40;
800
801 if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE ||
802 rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8821AE) {
803 if (mac->opmode == NL80211_IFTYPE_AP ||
804 mac->opmode == NL80211_IFTYPE_ADHOC ||
805 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
806 if (!(sta->vht_cap.vht_supported)) {
807 return;
808 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
809 if (!mac->bw_80 ||
810 !(sta->vht_cap.vht_supported))
811 return;
812 }
813 }
814 if (tcb_desc->hw_rate <=
815 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15])
816 return;
817 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80;
818 }
819 }
820
821 static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw,
822 struct ieee80211_sta *sta)
823 {
824 struct rtl_priv *rtlpriv = rtl_priv(hw);
825 struct rtl_phy *rtlphy = &(rtlpriv->phy);
826 u8 hw_rate;
827 u16 map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map);
828
829 if ((get_rf_type(rtlphy) == RF_2T2R) &&
830 (map & 0x000c) != 0x000c0) {
831 if ((map & 0x000c) >> 2 == IEEE80211_VHT_MCS_SUPPORT_0_7)
832 hw_rate =
833 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7];
834 else if ((map & 0x000c) >> 2 == IEEE80211_VHT_MCS_SUPPORT_0_8)
835 hw_rate = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
836 else
837 hw_rate = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
838 } else {
839 if ((map & 0x0003) == IEEE80211_VHT_MCS_SUPPORT_0_7)
840 hw_rate = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7];
841 else if ((map & 0x0003) == IEEE80211_VHT_MCS_SUPPORT_0_8)
842 hw_rate = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
843 else
844 hw_rate = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
845 }
846
847 return hw_rate;
848 }
849
850 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
851 struct ieee80211_sta *sta)
852 {
853 struct rtl_priv *rtlpriv = rtl_priv(hw);
854 struct rtl_phy *rtlphy = &(rtlpriv->phy);
855 u8 hw_rate;
856
857 if ((get_rf_type(rtlphy) == RF_2T2R) &&
858 (sta->ht_cap.mcs.rx_mask[1] != 0))
859 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
860 else
861 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
862
863 return hw_rate;
864 }
865
866 void stg_rtl_get_tcb_desc(struct ieee80211_hw *hw,
867 struct ieee80211_tx_info *info,
868 struct ieee80211_sta *sta,
869 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
870 {
871 struct rtl_priv *rtlpriv = rtl_priv(hw);
872 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
873 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
874 struct ieee80211_rate *txrate;
875 __le16 fc = rtl_get_fc(skb);
876
877 txrate = ieee80211_get_tx_rate(hw, info);
878 if (txrate != NULL)
879 tcb_desc->hw_rate = txrate->hw_value;
880
881 if (ieee80211_is_data(fc)) {
882 /*
883 *we set data rate INX 0
884 *in rtl_rc.c if skb is special data or
885 *mgt which need low data rate.
886 */
887
888 /*
889 *So tcb_desc->hw_rate is just used for
890 *special data and mgt frames
891 */
892 if (info->control.rates[0].idx == 0 ||
893 ieee80211_is_nullfunc(fc)) {
894 tcb_desc->use_driver_rate = true;
895 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
896
897 tcb_desc->disable_ratefallback = 1;
898 } else {
899 /*
900 *because hw will nerver use hw_rate
901 *when tcb_desc->use_driver_rate = false
902 *so we never set highest N rate here,
903 *and N rate will all be controled by FW
904 *when tcb_desc->use_driver_rate = false
905 */
906 if (sta && sta->vht_cap.vht_supported) {
907 tcb_desc->hw_rate =
908 _rtl_get_vht_highest_n_rate(hw, sta);
909 } else if (sta && (sta->ht_cap.ht_supported)) {
910 tcb_desc->hw_rate =
911 _rtl_get_highest_n_rate(hw, sta);
912 } else {
913 if (rtlmac->mode == WIRELESS_MODE_B) {
914 tcb_desc->hw_rate =
915 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
916 } else {
917 tcb_desc->hw_rate =
918 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
919 }
920 }
921 }
922
923 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)))
924 tcb_desc->b_multicast = 1;
925 else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
926 tcb_desc->b_broadcast = 1;
927
928 _rtl_txrate_selectmode(hw, sta, tcb_desc);
929 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
930 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
931 _rtl_query_shortgi(hw, sta, tcb_desc, info);
932 _rtl_query_protection_mode(hw, tcb_desc, info);
933 } else {
934 tcb_desc->use_driver_rate = true;
935 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
936 tcb_desc->disable_ratefallback = 1;
937 tcb_desc->mac_id = 0;
938 tcb_desc->packet_bw = 0;
939 }
940 }
941 EXPORT_SYMBOL(stg_rtl_get_tcb_desc);
942
943 bool rtl92e_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
944 {
945 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
946 struct rtl_priv *rtlpriv = rtl_priv(hw);
947 __le16 fc = rtl_get_fc(skb);
948
949 if (rtlpriv->dm.supp_phymode_switch &&
950 mac->link_state < MAC80211_LINKED &&
951 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
952 if (rtlpriv->cfg->ops->check_switch_to_dmdp)
953 rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
954 }
955 if (ieee80211_is_auth(fc)) {
956 RT_TRACE(COMP_SEND, DBG_DMESG, ("MAC80211_LINKING\n"));
957 rtl92e_ips_nic_on(hw);
958
959 mac->link_state = MAC80211_LINKING;
960 /* Dul mac */
961 rtlpriv->phy.b_need_iqk = true;
962 }
963 return true;
964 }
965
966 struct sk_buff *rtl92e_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
967 u8 *bssid, u16 tid);
968
969 bool rtl92e_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
970 {
971 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
972 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
973 struct rtl_priv *rtlpriv = rtl_priv(hw);
974 __le16 fc = rtl_get_fc(skb);
975 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN));
976 u8 category;
977
978 if (!ieee80211_is_action(fc))
979 return true;
980
981 category = *act;
982 act++;
983 switch (category) {
984 case ACT_CAT_BA:
985 switch (*act) {
986 case ACT_ADDBAREQ:
987 if (mac->act_scanning)
988 return false;
989
990 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
991 ("%s ACT_ADDBAREQ From:%pM\n",
992 is_tx ? "Tx" : "Rx", hdr->addr2));
993 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n",
994 skb->data, skb->len);
995 if (!is_tx) {
996 struct ieee80211_sta *sta = NULL;
997 struct rtl_sta_info *sta_entry = NULL;
998 struct ieee80211_mgmt *mgmt = (void *)skb->data;
999 u16 capab = 0, tid = 0;
1000 struct rtl_tid_data *tid_data;
1001 struct sk_buff *skb_delba = NULL;
1002 struct ieee80211_rx_status rx_status = { 0 };
1003
1004 rcu_read_lock();
1005 sta = rtl_find_sta(hw, hdr->addr3);
1006 if (sta == NULL) {
1007 RT_TRACE((COMP_SEND | COMP_RECV),
1008 DBG_TRACE, ("sta is NULL\n"));
1009 rcu_read_unlock();
1010 return true;
1011 }
1012
1013 sta_entry =
1014 (struct rtl_sta_info *)sta->drv_priv;
1015 if (!sta_entry) {
1016 rcu_read_unlock();
1017 return true;
1018 }
1019 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab);
1020 tid = (capab &
1021 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
1022 tid_data = &sta_entry->tids[tid];
1023 if (tid_data->agg.rx_agg_state ==
1024 RTL_RX_AGG_START) {
1025 skb_delba = rtl92e_make_del_ba(hw,
1026 hdr->addr2,
1027 hdr->addr3,
1028 tid);
1029 if (skb_delba) {
1030 rx_status.freq =
1031 hw->conf.chandef.chan->center_freq;
1032 rx_status.band =
1033 hw->conf.chandef.chan->band;
1034 rx_status.flag |= RX_FLAG_DECRYPTED;
1035 rx_status.flag |= RX_FLAG_MACTIME_MPDU;
1036 rx_status.rate_idx = 0;
1037 rx_status.signal = 50 + 10;
1038 memcpy(IEEE80211_SKB_RXCB(skb_delba),
1039 &rx_status, sizeof(rx_status));
1040 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
1041 "fake del\n",
1042 skb_delba->data, skb_delba->len);
1043 ieee80211_rx_irqsafe(hw, skb_delba);
1044 }
1045 }
1046 rcu_read_unlock();
1047 }
1048 break;
1049 case ACT_ADDBARSP:
1050 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
1051 ("%s ACT_ADDBARSP From :%pM\n",
1052 is_tx ? "Tx" : "Rx", hdr->addr2));
1053 break;
1054 case ACT_DELBA:
1055 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
1056 ("ACT_ADDBADEL From :%pM\n", hdr->addr2));
1057 break;
1058 }
1059 break;
1060 default:
1061 break;
1062 }
1063
1064 return true;
1065 }
1066
1067 /*should call before software enc*/
1068 u8 rtl92e_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb,
1069 u8 is_tx)
1070 {
1071 struct rtl_priv *rtlpriv = rtl_priv(hw);
1072 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1073 __le16 fc = rtl_get_fc(skb);
1074 u16 ether_type;
1075 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
1076 const struct iphdr *ip;
1077
1078 if (!ieee80211_is_data(fc))
1079 goto end;
1080
1081 ip = (struct iphdr *)((u8 *)skb->data + mac_hdr_len +
1082 SNAP_SIZE + PROTOC_TYPE_SIZE);
1083 ether_type = be16_to_cpup((__be16 *)
1084 (skb->data + mac_hdr_len + SNAP_SIZE));
1085
1086 if (ETH_P_IP == ether_type) {
1087 if (IPPROTO_UDP == ip->protocol) {
1088 struct udphdr *udp = (struct udphdr *)((u8 *)ip +
1089 (ip->ihl << 2));
1090 if (((((u8 *)udp)[1] == 68) &&
1091 (((u8 *)udp)[3] == 67)) ||
1092 ((((u8 *)udp)[1] == 67) &&
1093 (((u8 *)udp)[3] == 68))) {
1094 /*
1095 * 68 : UDP BOOTP client
1096 * 67 : UDP BOOTP server
1097 */
1098 RT_TRACE((COMP_SEND | COMP_RECV),
1099 DBG_DMESG, ("dhcp %s !!\n",
1100 (is_tx) ? "Tx" : "Rx"));
1101
1102 if (is_tx) {
1103 rtlpriv->ra.is_special_data = true;
1104 if (rtlpriv->cfg->ops->get_btc_status())
1105 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify(
1106 rtlpriv, 1);
1107 rtl92e_lps_leave(hw);
1108 ppsc->last_delaylps_stamp_jiffies =
1109 jiffies;
1110 }
1111
1112 return true;
1113 }
1114 }
1115 } else if (ETH_P_ARP == ether_type) {
1116 if (is_tx) {
1117 rtlpriv->ra.is_special_data = true;
1118 if (rtlpriv->cfg->ops->get_btc_status())
1119 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify(
1120 rtlpriv, 1);
1121 rtl92e_lps_leave(hw);
1122 ppsc->last_delaylps_stamp_jiffies = jiffies;
1123 }
1124
1125 return true;
1126 } else if (ETH_P_PAE == ether_type) {
1127 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
1128 ("802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"));
1129
1130 if (is_tx) {
1131 rtlpriv->ra.is_special_data = true;
1132 rtl92e_lps_leave(hw);
1133 ppsc->last_delaylps_stamp_jiffies = jiffies;
1134 }
1135
1136 return true;
1137 } else if (0x86DD == ether_type) {
1138 return true;
1139 }
1140
1141 end:
1142 rtlpriv->ra.is_special_data = false;
1143 return false;
1144 }
1145
1146 /*********************************************************
1147 *
1148 * functions called by core.c
1149 *
1150 *********************************************************/
1151 int rtl92e_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1152 struct ieee80211_sta *sta, u16 tid, u16 *ssn)
1153 {
1154 struct rtl_priv *rtlpriv = rtl_priv(hw);
1155 struct rtl_tid_data *tid_data;
1156 struct rtl_sta_info *sta_entry = NULL;
1157
1158 if (sta == NULL)
1159 return -EINVAL;
1160
1161 if (unlikely(tid >= MAX_TID_COUNT))
1162 return -EINVAL;
1163
1164 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1165 if (!sta_entry)
1166 return -ENXIO;
1167 tid_data = &sta_entry->tids[tid];
1168
1169 RT_TRACE(COMP_SEND, DBG_DMESG,
1170 ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1171 tid_data->seq_number));
1172
1173 *ssn = tid_data->seq_number;
1174 tid_data->agg.agg_state = RTL_AGG_START;
1175
1176 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1177 return 0;
1178 }
1179
1180 int rtl92e_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1181 struct ieee80211_sta *sta, u16 tid)
1182 {
1183 struct rtl_priv *rtlpriv = rtl_priv(hw);
1184 struct rtl_tid_data *tid_data;
1185 struct rtl_sta_info *sta_entry = NULL;
1186
1187 if (sta == NULL)
1188 return -EINVAL;
1189
1190 /* Comparing an array to null is not useful */
1191 /*if (!sta->addr) {
1192 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1193 return -EINVAL;
1194 }*/
1195
1196 RT_TRACE(COMP_SEND, DBG_DMESG,
1197 ("on ra = %pM tid = %d\n", sta->addr, tid));
1198
1199 if (unlikely(tid >= MAX_TID_COUNT))
1200 return -EINVAL;
1201
1202 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1203 tid_data = &sta_entry->tids[tid];
1204 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1205
1206 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1207 return 0;
1208 }
1209
1210 int rtl92e_rx_agg_start(struct ieee80211_hw *hw,
1211 struct ieee80211_sta *sta, u16 tid)
1212 {
1213 struct rtl_priv *rtlpriv = rtl_priv(hw);
1214 struct rtl_tid_data *tid_data;
1215 struct rtl_sta_info *sta_entry = NULL;
1216
1217 if (sta == NULL)
1218 return -EINVAL;
1219
1220 if (unlikely(tid >= MAX_TID_COUNT))
1221 return -EINVAL;
1222
1223 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1224 if (!sta_entry)
1225 return -ENXIO;
1226 tid_data = &sta_entry->tids[tid];
1227
1228 RT_TRACE(COMP_RECV, DBG_DMESG,
1229 ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1230 tid_data->seq_number));
1231
1232 tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1233 return 0;
1234 }
1235
1236 int rtl92e_rx_agg_stop(struct ieee80211_hw *hw,
1237 struct ieee80211_sta *sta, u16 tid)
1238 {
1239 struct rtl_priv *rtlpriv = rtl_priv(hw);
1240 struct rtl_tid_data *tid_data;
1241 struct rtl_sta_info *sta_entry = NULL;
1242
1243 if (sta == NULL)
1244 return -EINVAL;
1245
1246 /* Comparing an array to null is not useful */
1247 /*if (!sta->addr) {
1248 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1249 return -EINVAL;
1250 }*/
1251
1252 RT_TRACE(COMP_SEND, DBG_DMESG,
1253 ("on ra = %pM tid = %d\n", sta->addr, tid));
1254
1255 if (unlikely(tid >= MAX_TID_COUNT))
1256 return -EINVAL;
1257
1258 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1259 tid_data = &sta_entry->tids[tid];
1260 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
1261
1262 return 0;
1263 }
1264
1265 int rtl92e_tx_agg_oper(struct ieee80211_hw *hw,
1266 struct ieee80211_sta *sta, u16 tid)
1267 {
1268 struct rtl_priv *rtlpriv = rtl_priv(hw);
1269 struct rtl_tid_data *tid_data;
1270 struct rtl_sta_info *sta_entry = NULL;
1271
1272 if (sta == NULL)
1273 return -EINVAL;
1274
1275 /* Comparing an array to null is not useful */
1276 /*if (!sta->addr) {
1277 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1278 return -EINVAL;
1279 }*/
1280
1281 RT_TRACE(COMP_SEND, DBG_DMESG,
1282 ("on ra = %pM tid = %d\n", sta->addr, tid));
1283
1284 if (unlikely(tid >= MAX_TID_COUNT))
1285 return -EINVAL;
1286
1287 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1288 tid_data = &sta_entry->tids[tid];
1289 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1290
1291 return 0;
1292 }
1293
1294 /*********************************************************
1295 *
1296 * wq & timer callback functions
1297 *
1298 *********************************************************/
1299 /* this function is used for roaming */
1300 void rtl92e_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1301 {
1302 struct rtl_priv *rtlpriv = rtl_priv(hw);
1303 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1304
1305 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1306 return;
1307
1308 if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1309 return;
1310
1311 /* check if this really is a beacon */
1312 if (!ieee80211_is_beacon(hdr->frame_control) &&
1313 !ieee80211_is_probe_resp(hdr->frame_control))
1314 return;
1315
1316 /* min. beacon length + FCS_LEN */
1317 if (skb->len <= 40 + FCS_LEN)
1318 return;
1319
1320 /* and only beacons from the associated BSSID, please */
1321 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1322 return;
1323
1324 rtlpriv->link_info.bcn_rx_inperiod++;
1325 }
1326
1327 void rtl92e_watchdog_wq_callback(void *data)
1328 {
1329 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
1330 struct rtl_works,
1331 watchdog_wq);
1332 struct ieee80211_hw *hw = rtlworks->hw;
1333 struct rtl_priv *rtlpriv = rtl_priv(hw);
1334 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1335 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1336 bool b_busytraffic = false;
1337 bool b_tx_busy_traffic = false;
1338 bool b_rx_busy_traffic = false;
1339 bool b_higher_busytraffic = false;
1340 bool b_higher_busyrxtraffic = false;
1341 u8 idx, tid;
1342 u32 rx_cnt_inp4eriod = 0;
1343 u32 tx_cnt_inp4eriod = 0;
1344 u32 aver_rx_cnt_inperiod = 0;
1345 u32 aver_tx_cnt_inperiod = 0;
1346 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
1347 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
1348 bool benter_ps = false;
1349
1350 if (is_hal_stop(rtlhal))
1351 return;
1352
1353 /* <1> Determine if action frame is allowed */
1354 if (mac->link_state > MAC80211_NOLINK) {
1355 if (mac->cnt_after_linked < 20)
1356 mac->cnt_after_linked++;
1357 } else {
1358 mac->cnt_after_linked = 0;
1359 }
1360
1361 /* <2> to check if traffic busy, if
1362 * busytraffic we don't change channel */
1363 if (mac->link_state >= MAC80211_LINKED) {
1364 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
1365 for (idx = 0; idx <= 2; idx++) {
1366 rtlpriv->link_info.num_rx_in4period[idx] =
1367 rtlpriv->link_info.num_rx_in4period[idx + 1];
1368 rtlpriv->link_info.num_tx_in4period[idx] =
1369 rtlpriv->link_info.num_tx_in4period[idx + 1];
1370 }
1371 rtlpriv->link_info.num_rx_in4period[3] =
1372 rtlpriv->link_info.num_rx_inperiod;
1373 rtlpriv->link_info.num_tx_in4period[3] =
1374 rtlpriv->link_info.num_tx_inperiod;
1375 for (idx = 0; idx <= 3; idx++) {
1376 rx_cnt_inp4eriod +=
1377 rtlpriv->link_info.num_rx_in4period[idx];
1378 tx_cnt_inp4eriod +=
1379 rtlpriv->link_info.num_tx_in4period[idx];
1380 }
1381 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
1382 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
1383
1384 /* (2) check traffic busy */
1385 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
1386 b_busytraffic = true;
1387 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
1388 b_rx_busy_traffic = true;
1389 else
1390 b_tx_busy_traffic = false;
1391 }
1392
1393 /* Higher Tx/Rx data. */
1394 if (aver_rx_cnt_inperiod > 4000 ||
1395 aver_tx_cnt_inperiod > 4000) {
1396 b_higher_busytraffic = true;
1397
1398 /* Extremely high Rx data. */
1399 if (aver_rx_cnt_inperiod > 5000)
1400 b_higher_busyrxtraffic = true;
1401 }
1402
1403 /* check every tid's tx traffic */
1404 for (tid = 0; tid <= 7; tid++) {
1405 for (idx = 0; idx <= 2; idx++)
1406 rtlpriv->link_info.tidtx_in4period[tid][idx] =
1407 rtlpriv->link_info.tidtx_in4period[tid]
1408 [idx + 1];
1409 rtlpriv->link_info.tidtx_in4period[tid][3] =
1410 rtlpriv->link_info.tidtx_inperiod[tid];
1411
1412 for (idx = 0; idx <= 3; idx++)
1413 tidtx_inp4eriod[tid] +=
1414 rtlpriv->link_info.tidtx_in4period[tid][idx];
1415 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
1416 if (aver_tidtx_inperiod[tid] > 5000)
1417 rtlpriv->link_info.higher_busytxtraffic[tid] =
1418 true;
1419 else
1420 rtlpriv->link_info.higher_busytxtraffic[tid] =
1421 false;
1422 }
1423
1424 if (((rtlpriv->link_info.num_rx_inperiod +
1425 rtlpriv->link_info.num_tx_inperiod) > 8) ||
1426 (rtlpriv->link_info.num_rx_inperiod > 2))
1427 benter_ps = false;
1428 else
1429 benter_ps = true;
1430
1431 /* LeisurePS only work in infra mode. */
1432 if (benter_ps)
1433 rtl92e_lps_enter(hw);
1434 else
1435 rtl92e_lps_leave(hw);
1436 }
1437
1438 rtlpriv->link_info.num_rx_inperiod = 0;
1439 rtlpriv->link_info.num_tx_inperiod = 0;
1440 for (tid = 0; tid <= 7; tid++)
1441 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
1442
1443 rtlpriv->link_info.b_busytraffic = b_busytraffic;
1444 rtlpriv->link_info.b_rx_busy_traffic = b_rx_busy_traffic;
1445 rtlpriv->link_info.b_tx_busy_traffic = b_tx_busy_traffic;
1446 rtlpriv->link_info.b_higher_busytraffic = b_higher_busytraffic;
1447 rtlpriv->link_info.b_higher_busyrxtraffic = b_higher_busyrxtraffic;
1448
1449 /* <3> DM */
1450 rtlpriv->cfg->ops->dm_watchdog(hw);
1451
1452 /* <4> roaming */
1453 if (mac->link_state == MAC80211_LINKED &&
1454 mac->opmode == NL80211_IFTYPE_STATION) {
1455 if ((rtlpriv->link_info.bcn_rx_inperiod +
1456 rtlpriv->link_info.num_rx_inperiod) == 0) {
1457 rtlpriv->link_info.roam_times++;
1458 RT_TRACE(COMP_ERR, DBG_DMESG,
1459 ("AP off for %d s\n",
1460 (rtlpriv->link_info.roam_times * 2)));
1461
1462 /* if we can't recv beacon for 10s,
1463 * we should reconnect this AP */
1464 if (rtlpriv->link_info.roam_times >= 5) {
1465 RT_TRACE(COMP_ERR, DBG_EMERG,
1466 ("AP off, try to reconnect now\n"));
1467 rtlpriv->link_info.roam_times = 0;
1468 ieee80211_connection_loss(
1469 rtlpriv->mac80211.vif);
1470 }
1471 } else {
1472 rtlpriv->link_info.roam_times = 0;
1473 }
1474 }
1475
1476 if (rtlpriv->cfg->ops->get_btc_status())
1477 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv);
1478
1479 rtlpriv->link_info.bcn_rx_inperiod = 0;
1480 }
1481
1482 void rtl92e_watch_dog_timer_callback(unsigned long data)
1483 {
1484 struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1485 struct rtl_priv *rtlpriv = rtl_priv(hw);
1486
1487 queue_delayed_work(rtlpriv->works.rtl_wq,
1488 &rtlpriv->works.watchdog_wq, 0);
1489
1490 mod_timer(&rtlpriv->works.watchdog_timer,
1491 jiffies + MSECS(RTL_WATCH_DOG_TIME));
1492 }
1493 void rtl92e_fwevt_wq_callback(void *data)
1494 {
1495 struct rtl_works *rtlworks =
1496 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
1497 struct ieee80211_hw *hw = rtlworks->hw;
1498 struct rtl_priv *rtlpriv = rtl_priv(hw);
1499
1500 rtlpriv->cfg->ops->c2h_command_handle(hw);
1501 }
1502 void rtl92e_easy_concurrent_retrytimer_callback(unsigned long data)
1503 {
1504 struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1505 struct rtl_priv *rtlpriv = rtl_priv(hw);
1506 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
1507
1508 if (buddy_priv == NULL)
1509 return;
1510
1511 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw);
1512 }
1513 /*********************************************************
1514 *
1515 * frame process functions
1516 *
1517 *********************************************************/
1518 u8 *rtl92e_find_ie(u8 *data, unsigned int len, u8 ie)
1519 {
1520 struct ieee80211_mgmt *mgmt = (void *)data;
1521 u8 *pos, *end;
1522
1523 pos = (u8 *)mgmt->u.beacon.variable;
1524 end = data + len;
1525 while (pos < end) {
1526 if (pos + 2 + pos[1] > end)
1527 return NULL;
1528
1529 if (pos[0] == ie)
1530 return pos;
1531
1532 pos += 2 + pos[1];
1533 }
1534 return NULL;
1535 }
1536
1537 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
1538 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
1539 static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
1540 enum ieee80211_smps_mode smps,
1541 u8 *da, u8 *bssid)
1542 {
1543 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1544 struct sk_buff *skb;
1545 struct ieee80211_mgmt_compat *action_frame;
1546
1547 /* 27 = header + category + action + smps mode */
1548 skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
1549 if (!skb)
1550 return NULL;
1551
1552 skb_reserve(skb, hw->extra_tx_headroom);
1553 action_frame = (void *)skb_put(skb, 27);
1554 memset(action_frame, 0, 27);
1555 ether_addr_copy(action_frame->da, da);
1556 ether_addr_copy(action_frame->sa, rtlefuse->dev_addr);
1557 ether_addr_copy(action_frame->bssid, bssid);
1558 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1559 IEEE80211_STYPE_ACTION);
1560 action_frame->u.action.category = WLAN_CATEGORY_HT;
1561 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
1562 switch (smps) {
1563 case IEEE80211_SMPS_AUTOMATIC:/* 0 */
1564 case IEEE80211_SMPS_NUM_MODES:/* 4 */
1565 WARN_ON(1);
1566 /* Here will get a 'MISSING_BREAK' in Coverity Test, just ignore it.
1567 * According to Kernel Code, here is right.
1568 */
1569 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
1570 action_frame->u.action.u.ht_smps.smps_control =
1571 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
1572 break;
1573 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
1574 action_frame->u.action.u.ht_smps.smps_control =
1575 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
1576 break;
1577 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
1578 action_frame->u.action.u.ht_smps.smps_control =
1579 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
1580 break;
1581 }
1582
1583 return skb;
1584 }
1585
1586 int stg_rtl_send_smps_action(struct ieee80211_hw *hw,
1587 struct ieee80211_sta *sta,
1588 enum ieee80211_smps_mode smps)
1589 {
1590 struct rtl_priv *rtlpriv = rtl_priv(hw);
1591 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1592 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1593 struct sk_buff *skb = NULL;
1594 struct rtl_tcb_desc tcb_desc;
1595 u8 bssid[ETH_ALEN] = {0};
1596
1597 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1598
1599 if (rtlpriv->mac80211.act_scanning)
1600 goto err_free;
1601
1602 if (!sta)
1603 goto err_free;
1604
1605 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
1606 goto err_free;
1607
1608 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1609 goto err_free;
1610
1611 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
1612 ether_addr_copy(bssid, rtlpriv->efuse.dev_addr);
1613 else
1614 ether_addr_copy(bssid, rtlpriv->mac80211.bssid);
1615
1616 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
1617 /* this is a type = mgmt * stype = action frame */
1618 if (skb) {
1619 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1620 struct rtl_sta_info *sta_entry =
1621 (struct rtl_sta_info *)sta->drv_priv;
1622 sta_entry->mimo_ps = smps;
1623 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); */
1624
1625 info->control.rates[0].idx = 0;
1626 info->band = hw->conf.chandef.chan->band;
1627 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
1628 }
1629 return 1;
1630
1631 err_free:
1632 return 0;
1633 }
1634 EXPORT_SYMBOL(stg_rtl_send_smps_action);
1635
1636 /* because mac80211 have issues when can receive del ba
1637 * so here we just make a fake del_ba if we receive a ba_req
1638 * but rx_agg was opened to let mac80211 release some ba
1639 * related resources, so please this del_ba for tx */
1640 struct sk_buff *rtl92e_make_del_ba(struct ieee80211_hw *hw,
1641 u8 *sa, u8 *bssid, u16 tid)
1642 {
1643 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1644 struct sk_buff *skb;
1645 struct ieee80211_mgmt *action_frame;
1646 u16 params;
1647
1648 /* 27 = header + category + action + smps mode */
1649 skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
1650 if (!skb)
1651 return NULL;
1652
1653 skb_reserve(skb, hw->extra_tx_headroom);
1654 action_frame = (void *)skb_put(skb, 34);
1655 memset(action_frame, 0, 34);
1656 ether_addr_copy(action_frame->sa, sa);
1657 ether_addr_copy(action_frame->da, rtlefuse->dev_addr);
1658 ether_addr_copy(action_frame->bssid, bssid);
1659 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1660 IEEE80211_STYPE_ACTION);
1661 action_frame->u.action.category = WLAN_CATEGORY_BACK;
1662 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
1663 params = (u16)(1 << 11); /* bit 11 initiator */
1664 params |= (u16)(tid << 12); /* bit 15:12 TID number */
1665
1666 action_frame->u.action.u.delba.params = cpu_to_le16(params);
1667 action_frame->u.action.u.delba.reason_code =
1668 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
1669
1670 return skb;
1671 }
1672
1673 /*********************************************************
1674 *
1675 * IOT functions
1676 *
1677 *********************************************************/
1678 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
1679 struct octet_string vendor_ie)
1680 {
1681 struct rtl_priv *rtlpriv = rtl_priv(hw);
1682 bool matched = false;
1683 static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
1684 static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
1685 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
1686 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
1687 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
1688 static u8 racap[] = { 0x00, 0x0c, 0x43 };
1689 static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
1690 static u8 marvcap[] = { 0x00, 0x50, 0x43 };
1691
1692 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
1693 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
1694 rtlpriv->mac80211.vendor = PEER_ATH;
1695 matched = true;
1696 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
1697 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
1698 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
1699 rtlpriv->mac80211.vendor = PEER_BROAD;
1700 matched = true;
1701 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
1702 rtlpriv->mac80211.vendor = PEER_RAL;
1703 matched = true;
1704 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
1705 rtlpriv->mac80211.vendor = PEER_CISCO;
1706 matched = true;
1707 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
1708 rtlpriv->mac80211.vendor = PEER_MARV;
1709 matched = true;
1710 }
1711
1712 return matched;
1713 }
1714
1715 static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data, unsigned int len)
1716 {
1717 struct ieee80211_mgmt *mgmt = (void *)data;
1718 struct octet_string vendor_ie;
1719 u8 *pos, *end;
1720
1721 pos = (u8 *)mgmt->u.beacon.variable;
1722 end = data + len;
1723 while (pos < end) {
1724 if (pos[0] == 221) {
1725 vendor_ie.length = pos[1];
1726 vendor_ie.octet = &pos[2];
1727 if (rtl_chk_vendor_ouisub(hw, vendor_ie))
1728 return true;
1729 }
1730
1731 if (pos + 2 + pos[1] > end)
1732 return false;
1733
1734 pos += 2 + pos[1];
1735 }
1736 return false;
1737 }
1738
1739 void rtl92e_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
1740 {
1741 struct rtl_priv *rtlpriv = rtl_priv(hw);
1742 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1743 struct ieee80211_hdr *hdr = (void *)data;
1744 u32 vendor = PEER_UNKNOWN;
1745
1746 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
1747 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
1748 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
1749 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
1750 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
1751 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
1752 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
1753 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
1754 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
1755 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
1756 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
1757 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
1758 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
1759 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
1760 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
1761 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
1762
1763 if (mac->opmode != NL80211_IFTYPE_STATION)
1764 return;
1765
1766 if (mac->link_state == MAC80211_NOLINK) {
1767 mac->vendor = PEER_UNKNOWN;
1768 return;
1769 }
1770
1771 if (mac->cnt_after_linked > 2)
1772 return;
1773
1774 /* check if this really is a beacon */
1775 if (!ieee80211_is_beacon(hdr->frame_control))
1776 return;
1777
1778 /* min. beacon length + FCS_LEN */
1779 if (len <= 40 + FCS_LEN)
1780 return;
1781
1782 /* and only beacons from the associated BSSID, please */
1783 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1784 return;
1785
1786 if (rtl_find_221_ie(hw, data, len))
1787 vendor = mac->vendor;
1788
1789 if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
1790 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
1791 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
1792 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
1793 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
1794 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
1795 vendor == PEER_ATH) {
1796 vendor = PEER_ATH;
1797 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>ath find\n"));
1798 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
1799 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
1800 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
1801 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
1802 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
1803 vendor == PEER_RAL) {
1804 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>ral findn\n"));
1805 vendor = PEER_RAL;
1806 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
1807 vendor == PEER_CISCO) {
1808 vendor = PEER_CISCO;
1809 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>cisco find\n"));
1810 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
1811 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
1812 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
1813 vendor == PEER_BROAD) {
1814 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>broad find\n"));
1815 vendor = PEER_BROAD;
1816 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
1817 vendor == PEER_MARV) {
1818 vendor = PEER_MARV;
1819 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>marv find\n"));
1820 }
1821
1822 mac->vendor = vendor;
1823 }
1824
1825 /*********************************************************
1826 *
1827 * sysfs functions
1828 *
1829 *********************************************************/
1830 struct rtl_global_var global_var = {};
1831
1832 int rtl_core_module_init(void)
1833 {
1834 static int here_once;
1835
1836 if (here_once++)
1837 return 0;
1838
1839 if (rtl92e_rate_control_register())
1840 pr_debug("rtl: Unable to register rtl_rc, use default RC !!\n");
1841
1842 /* init some global vars */
1843 INIT_LIST_HEAD(&global_var.glb_priv_list);
1844 spin_lock_init(&global_var.glb_list_lock);
1845
1846 return 0;
1847 }
1848 void rtl_core_module_exit(void)
1849 {
1850 /*RC*/
1851 rtl92e_rate_control_unregister();
1852 }
Linux with added FPC-III support