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KVM: nVMX: Fix returned value of MSR_IA32_VMX_VMCS_ENUM
[linux/fpc-iii.git] / drivers / staging / rtl8821ae / base.c
blob4a36da06c01cdff0191a9eb75d950b35616dcfb0
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 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
25 *
26 * Larry Finger <Larry.Finger@lwfinger.net>
27 *
28 *****************************************************************************/
29
30 #include <linux/ip.h>
31 #include <linux/module.h>
32 #include "wifi.h"
33 #include "rc.h"
34 #include "base.h"
35 #include "efuse.h"
36 #include "cam.h"
37 #include "ps.h"
38 #include "regd.h"
39 #include "pci.h"
40
41 /*
42 *NOTICE!!!: This file will be very big, we should
43 *keep it clear under following roles:
44 *
45 *This file include following part, so, if you add new
46 *functions into this file, please check which part it
47 *should includes. or check if you should add new part
48 *for this file:
49 *
50 *1) mac80211 init functions
51 *2) tx information functions
52 *3) functions called by core.c
53 *4) wq & timer callback functions
54 *5) frame process functions
55 *6) IOT functions
56 *7) sysfs functions
57 *8) vif functions
58 *9) ...
59 */
60
61 /*********************************************************
62 *
63 * mac80211 init functions
64 *
65 *********************************************************/
66 static struct ieee80211_channel rtl_channeltable_2g[] = {
67 {.center_freq = 2412, .hw_value = 1,},
68 {.center_freq = 2417, .hw_value = 2,},
69 {.center_freq = 2422, .hw_value = 3,},
70 {.center_freq = 2427, .hw_value = 4,},
71 {.center_freq = 2432, .hw_value = 5,},
72 {.center_freq = 2437, .hw_value = 6,},
73 {.center_freq = 2442, .hw_value = 7,},
74 {.center_freq = 2447, .hw_value = 8,},
75 {.center_freq = 2452, .hw_value = 9,},
76 {.center_freq = 2457, .hw_value = 10,},
77 {.center_freq = 2462, .hw_value = 11,},
78 {.center_freq = 2467, .hw_value = 12,},
79 {.center_freq = 2472, .hw_value = 13,},
80 {.center_freq = 2484, .hw_value = 14,},
81 };
82
83 static struct ieee80211_channel rtl_channeltable_5g[] = {
84 {.center_freq = 5180, .hw_value = 36,},
85 {.center_freq = 5200, .hw_value = 40,},
86 {.center_freq = 5220, .hw_value = 44,},
87 {.center_freq = 5240, .hw_value = 48,},
88 {.center_freq = 5260, .hw_value = 52,},
89 {.center_freq = 5280, .hw_value = 56,},
90 {.center_freq = 5300, .hw_value = 60,},
91 {.center_freq = 5320, .hw_value = 64,},
92 {.center_freq = 5500, .hw_value = 100,},
93 {.center_freq = 5520, .hw_value = 104,},
94 {.center_freq = 5540, .hw_value = 108,},
95 {.center_freq = 5560, .hw_value = 112,},
96 {.center_freq = 5580, .hw_value = 116,},
97 {.center_freq = 5600, .hw_value = 120,},
98 {.center_freq = 5620, .hw_value = 124,},
99 {.center_freq = 5640, .hw_value = 128,},
100 {.center_freq = 5660, .hw_value = 132,},
101 {.center_freq = 5680, .hw_value = 136,},
102 {.center_freq = 5700, .hw_value = 140,},
103 {.center_freq = 5745, .hw_value = 149,},
104 {.center_freq = 5765, .hw_value = 153,},
105 {.center_freq = 5785, .hw_value = 157,},
106 {.center_freq = 5805, .hw_value = 161,},
107 {.center_freq = 5825, .hw_value = 165,},
108 };
109
110 static struct ieee80211_rate rtl_ratetable_2g[] = {
111 {.bitrate = 10, .hw_value = 0x00,},
112 {.bitrate = 20, .hw_value = 0x01,},
113 {.bitrate = 55, .hw_value = 0x02,},
114 {.bitrate = 110, .hw_value = 0x03,},
115 {.bitrate = 60, .hw_value = 0x04,},
116 {.bitrate = 90, .hw_value = 0x05,},
117 {.bitrate = 120, .hw_value = 0x06,},
118 {.bitrate = 180, .hw_value = 0x07,},
119 {.bitrate = 240, .hw_value = 0x08,},
120 {.bitrate = 360, .hw_value = 0x09,},
121 {.bitrate = 480, .hw_value = 0x0a,},
122 {.bitrate = 540, .hw_value = 0x0b,},
123 };
124
125 static struct ieee80211_rate rtl_ratetable_5g[] = {
126 {.bitrate = 60, .hw_value = 0x04,},
127 {.bitrate = 90, .hw_value = 0x05,},
128 {.bitrate = 120, .hw_value = 0x06,},
129 {.bitrate = 180, .hw_value = 0x07,},
130 {.bitrate = 240, .hw_value = 0x08,},
131 {.bitrate = 360, .hw_value = 0x09,},
132 {.bitrate = 480, .hw_value = 0x0a,},
133 {.bitrate = 540, .hw_value = 0x0b,},
134 };
135
136 static const struct ieee80211_supported_band rtl_band_2ghz = {
137 .band = IEEE80211_BAND_2GHZ,
138
139 .channels = rtl_channeltable_2g,
140 .n_channels = ARRAY_SIZE(rtl_channeltable_2g),
141
142 .bitrates = rtl_ratetable_2g,
143 .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g),
144
145 .ht_cap = {0},
146 };
147
148 static struct ieee80211_supported_band rtl_band_5ghz = {
149 .band = IEEE80211_BAND_5GHZ,
150
151 .channels = rtl_channeltable_5g,
152 .n_channels = ARRAY_SIZE(rtl_channeltable_5g),
153
154 .bitrates = rtl_ratetable_5g,
155 .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g),
156
157 .ht_cap = {0},
158 };
159
160 static const u8 tid_to_ac[] = {
161 2, /* IEEE80211_AC_BE */
162 3, /* IEEE80211_AC_BK */
163 3, /* IEEE80211_AC_BK */
164 2, /* IEEE80211_AC_BE */
165 1, /* IEEE80211_AC_VI */
166 1, /* IEEE80211_AC_VI */
167 0, /* IEEE80211_AC_VO */
168 0, /* IEEE80211_AC_VO */
169 };
170
171 u8 rtl_tid_to_ac(struct ieee80211_hw *hw, u8 tid)
172 {
173 return tid_to_ac[tid];
174 }
175
176 static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
177 struct ieee80211_sta_ht_cap *ht_cap)
178 {
179 struct rtl_priv *rtlpriv = rtl_priv(hw);
180 struct rtl_phy *rtlphy = &(rtlpriv->phy);
181
182 ht_cap->ht_supported = true;
183 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
184 IEEE80211_HT_CAP_SGI_40 |
185 IEEE80211_HT_CAP_SGI_20 |
186 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
187
188 if (rtlpriv->rtlhal.disable_amsdu_8k)
189 ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
190
191 /*
192 *Maximum length of AMPDU that the STA can receive.
193 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
194 */
195 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
196
197 /*Minimum MPDU start spacing , */
198 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
199
200 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
201
202 /*
203 *hw->wiphy->bands[IEEE80211_BAND_2GHZ]
204 *base on ant_num
205 *rx_mask: RX mask
206 *if rx_ant =1 rx_mask[0]=0xff;==>MCS0-MCS7
207 *if rx_ant =2 rx_mask[1]=0xff;==>MCS8-MCS15
208 *if rx_ant >=3 rx_mask[2]=0xff;
209 *if BW_40 rx_mask[4]=0x01;
210 *highest supported RX rate
211 */
212 if (rtlpriv->dm.supp_phymode_switch) {
213 RT_TRACE(COMP_INIT, DBG_EMERG, ("Support phy mode switch\n"));
214
215 ht_cap->mcs.rx_mask[0] = 0xFF;
216 ht_cap->mcs.rx_mask[1] = 0xFF;
217 ht_cap->mcs.rx_mask[4] = 0x01;
218
219 ht_cap->mcs.rx_highest = MAX_BIT_RATE_40MHZ_MCS15;
220 } else {
221 if (get_rf_type(rtlphy) == RF_1T2R ||
222 get_rf_type(rtlphy) == RF_2T2R) {
223
224 RT_TRACE(COMP_INIT, DBG_DMESG, ("1T2R or 2T2R\n"));
225
226 ht_cap->mcs.rx_mask[0] = 0xFF;
227 ht_cap->mcs.rx_mask[1] = 0xFF;
228 ht_cap->mcs.rx_mask[4] = 0x01;
229
230 ht_cap->mcs.rx_highest = MAX_BIT_RATE_40MHZ_MCS15;
231 } else if (get_rf_type(rtlphy) == RF_1T1R) {
232
233 RT_TRACE(COMP_INIT, DBG_DMESG, ("1T1R\n"));
234
235 ht_cap->mcs.rx_mask[0] = 0xFF;
236 ht_cap->mcs.rx_mask[1] = 0x00;
237 ht_cap->mcs.rx_mask[4] = 0x01;
238
239 ht_cap->mcs.rx_highest = MAX_BIT_RATE_40MHZ_MCS7;
240 }
241 }
242 }
243
244 static void _rtl_init_mac80211(struct ieee80211_hw *hw)
245 {
246 struct rtl_priv *rtlpriv = rtl_priv(hw);
247 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
248 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
249 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
250 struct ieee80211_supported_band *sband;
251
252
253 if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY &&
254 rtlhal->bandset == BAND_ON_BOTH) {
255 /* 1: 2.4 G bands */
256 /* <1> use mac->bands as mem for hw->wiphy->bands */
257 sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]);
258
259 /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
260 * to default value(1T1R) */
261 memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), &rtl_band_2ghz,
262 sizeof(struct ieee80211_supported_band));
263
264 /* <3> init ht cap base on ant_num */
265 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
266
267 /* <4> set mac->sband to wiphy->sband */
268 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
269
270 /* 2: 5 G bands */
271 /* <1> use mac->bands as mem for hw->wiphy->bands */
272 sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
273
274 /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
275 * to default value(1T1R) */
276 memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), &rtl_band_5ghz,
277 sizeof(struct ieee80211_supported_band));
278
279 /* <3> init ht cap base on ant_num */
280 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
281
282 /* <4> set mac->sband to wiphy->sband */
283 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
284 } else {
285 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
286 /* <1> use mac->bands as mem for hw->wiphy->bands */
287 sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]);
288
289 /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
290 * to default value(1T1R) */
291 memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]),
292 &rtl_band_2ghz,
293 sizeof(struct ieee80211_supported_band));
294
295 /* <3> init ht cap base on ant_num */
296 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
297
298 /* <4> set mac->sband to wiphy->sband */
299 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
300 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
301 /* <1> use mac->bands as mem for hw->wiphy->bands */
302 sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
303
304 /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
305 * to default value(1T1R) */
306 memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]),
307 &rtl_band_5ghz,
308 sizeof(struct ieee80211_supported_band));
309
310 /* <3> init ht cap base on ant_num */
311 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
312
313 /* <4> set mac->sband to wiphy->sband */
314 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
315 } else {
316 RT_TRACE(COMP_INIT, DBG_EMERG, ("Err BAND %d\n",
317 rtlhal->current_bandtype));
318 }
319 }
320 /* <5> set hw caps */
321 hw->flags = IEEE80211_HW_SIGNAL_DBM |
322 IEEE80211_HW_RX_INCLUDES_FCS |
323 IEEE80211_HW_AMPDU_AGGREGATION |
324 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
325 IEEE80211_HW_CONNECTION_MONITOR |
326 /* IEEE80211_HW_SUPPORTS_CQM_RSSI | */
327 IEEE80211_HW_MFP_CAPABLE | 0;
328
329 /* swlps or hwlps has been set in diff chip in init_sw_vars */
330 if (rtlpriv->psc.b_swctrl_lps)
331 hw->flags |= IEEE80211_HW_SUPPORTS_PS |
332 IEEE80211_HW_PS_NULLFUNC_STACK |
333 /* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */
334 0;
335 hw->wiphy->interface_modes =
336 BIT(NL80211_IFTYPE_AP) |
337 BIT(NL80211_IFTYPE_STATION) |
338 BIT(NL80211_IFTYPE_ADHOC) |
339 BIT(NL80211_IFTYPE_MESH_POINT) |
340 BIT(NL80211_IFTYPE_P2P_CLIENT) |
341 BIT(NL80211_IFTYPE_P2P_GO);
342
343 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
344
345 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
346
347 hw->wiphy->rts_threshold = 2347;
348
349 hw->queues = AC_MAX;
350 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
351
352 /* TODO: Correct this value for our hw */
353 /* TODO: define these hard code value */
354 hw->max_listen_interval = 10;
355 hw->max_rate_tries = 4;
356 /* hw->max_rates = 1; */
357 hw->sta_data_size = sizeof(struct rtl_sta_info);
358 #ifdef VIF_TODO
359 hw->vif_data_size = sizeof(struct rtl_vif_info);
360 #endif
361
362 /* <6> mac address */
363 if (is_valid_ether_addr(rtlefuse->dev_addr)) {
364 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
365 } else {
366 u8 rtlmac[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
367 get_random_bytes((rtlmac + (ETH_ALEN - 1)), 1);
368 SET_IEEE80211_PERM_ADDR(hw, rtlmac);
369 }
370
371 }
372
373 static int _rtl_init_deferred_work(struct ieee80211_hw *hw)
374 {
375 struct rtl_priv *rtlpriv = rtl_priv(hw);
376
377 /* <1> timer */
378 init_timer(&rtlpriv->works.watchdog_timer);
379 setup_timer(&rtlpriv->works.watchdog_timer,
380 rtl_watch_dog_timer_callback, (unsigned long)hw);
381 init_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer);
382 setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
383 rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw);
384 /* <2> work queue */
385 rtlpriv->works.hw = hw;
386 rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0,
387 rtlpriv->cfg->name);
388 if (!rtlpriv->works.rtl_wq)
389 return -ENOMEM;
390
391 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
392 (void *)rtl_watchdog_wq_callback);
393 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
394 (void *)rtl_ips_nic_off_wq_callback);
395 INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
396 (void *)rtl_swlps_wq_callback);
397 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
398 (void *)rtl_swlps_rfon_wq_callback);
399 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq,
400 (void *)rtl_fwevt_wq_callback);
401
402 return 0;
403
404 }
405
406 void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
407 {
408 struct rtl_priv *rtlpriv = rtl_priv(hw);
409
410 del_timer_sync(&rtlpriv->works.watchdog_timer);
411
412 cancel_delayed_work(&rtlpriv->works.watchdog_wq);
413 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
414 cancel_delayed_work(&rtlpriv->works.ps_work);
415 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
416 cancel_delayed_work(&rtlpriv->works.fwevt_wq);
417 }
418
419 void rtl_init_rfkill(struct ieee80211_hw *hw)
420 {
421 struct rtl_priv *rtlpriv = rtl_priv(hw);
422
423 bool radio_state;
424 bool blocked;
425 u8 valid = 0;
426
427 /*set init state to on */
428 rtlpriv->rfkill.rfkill_state = 1;
429 wiphy_rfkill_set_hw_state(hw->wiphy, 0);
430
431 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
432
433 if (valid) {
434 printk(KERN_INFO "rtlwifi: wireless switch is %s\n",
435 rtlpriv->rfkill.rfkill_state ? "on" : "off");
436
437 rtlpriv->rfkill.rfkill_state = radio_state;
438
439 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
440 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
441 }
442
443 wiphy_rfkill_start_polling(hw->wiphy);
444 }
445
446 void rtl_deinit_rfkill(struct ieee80211_hw *hw)
447 {
448 wiphy_rfkill_stop_polling(hw->wiphy);
449 }
450
451 #ifdef VIF_TODO
452 static void rtl_init_vif(struct ieee80211_hw *hw)
453 {
454 struct rtl_priv *rtlpriv = rtl_priv(hw);
455
456 INIT_LIST_HEAD(&rtlpriv->vif_priv.vif_list);
457
458 rtlpriv->vif_priv.vifs = 0;
459 }
460 #endif
461
462 int rtl_init_core(struct ieee80211_hw *hw)
463 {
464 struct rtl_priv *rtlpriv = rtl_priv(hw);
465 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
466
467 /* <1> init mac80211 */
468 _rtl_init_mac80211(hw);
469 rtlmac->hw = hw;
470 rtlmac->link_state = MAC80211_NOLINK;
471
472 /* <2> rate control register */
473 hw->rate_control_algorithm = "rtl_rc";
474
475 /*
476 * <3> init CRDA must come after init
477 * mac80211 hw in _rtl_init_mac80211.
478 */
479 if (rtl_regd_init(hw, rtl_reg_notifier)) {
480 RT_TRACE(COMP_ERR, DBG_EMERG, ("REGD init failed\n"));
481 return 1;
482 }
483
484 /* <4> locks */
485 mutex_init(&rtlpriv->locks.conf_mutex);
486 spin_lock_init(&rtlpriv->locks.ips_lock);
487 spin_lock_init(&rtlpriv->locks.irq_th_lock);
488 spin_lock_init(&rtlpriv->locks.h2c_lock);
489 spin_lock_init(&rtlpriv->locks.rf_ps_lock);
490 spin_lock_init(&rtlpriv->locks.rf_lock);
491 spin_lock_init(&rtlpriv->locks.lps_lock);
492 spin_lock_init(&rtlpriv->locks.waitq_lock);
493 spin_lock_init(&rtlpriv->locks.entry_list_lock);
494 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
495 spin_lock_init(&rtlpriv->locks.check_sendpkt_lock);
496 spin_lock_init(&rtlpriv->locks.fw_ps_lock);
497 spin_lock_init(&rtlpriv->locks.iqk_lock);
498 /* <5> init list */
499 INIT_LIST_HEAD(&rtlpriv->entry_list);
500
501 /* <6> init deferred work */
502 if (_rtl_init_deferred_work(hw))
503 return 1;
504
505 /* <7> */
506 #ifdef VIF_TODO
507 rtl_init_vif(hw);
508 #endif
509
510 return 0;
511 }
512
513 void rtl_deinit_core(struct ieee80211_hw *hw)
514 {
515 }
516
517 void rtl_init_rx_config(struct ieee80211_hw *hw)
518 {
519 struct rtl_priv *rtlpriv = rtl_priv(hw);
520 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
521
522 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
523 }
524
525 /*********************************************************
526 *
527 * tx information functions
528 *
529 *********************************************************/
530 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
531 struct rtl_tcb_desc *tcb_desc,
532 struct ieee80211_tx_info *info)
533 {
534 struct rtl_priv *rtlpriv = rtl_priv(hw);
535 u8 rate_flag = info->control.rates[0].flags;
536
537 tcb_desc->use_shortpreamble = false;
538
539 /* 1M can only use Long Preamble. 11B spec */
540 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
541 return;
542 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
543 tcb_desc->use_shortpreamble = true;
544
545 return;
546 }
547
548 static void _rtl_query_shortgi(struct ieee80211_hw *hw,
549 struct ieee80211_sta *sta,
550 struct rtl_tcb_desc *tcb_desc,
551 struct ieee80211_tx_info *info)
552 {
553 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
554 u8 rate_flag = info->control.rates[0].flags;
555 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
556 tcb_desc->use_shortgi = false;
557
558 if (sta == NULL)
559 return;
560
561 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
562 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
563
564 if (!(sta->ht_cap.ht_supported))
565 return;
566
567 if (!sgi_40 && !sgi_20)
568 return;
569
570 if (mac->opmode == NL80211_IFTYPE_STATION)
571 bw_40 = mac->bw_40;
572 else if (mac->opmode == NL80211_IFTYPE_AP ||
573 mac->opmode == NL80211_IFTYPE_ADHOC ||
574 mac->opmode == NL80211_IFTYPE_MESH_POINT)
575 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
576
577 if ((bw_40 == true) && sgi_40)
578 tcb_desc->use_shortgi = true;
579 else if ((bw_40 == false) && sgi_20)
580 tcb_desc->use_shortgi = true;
581
582 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
583 tcb_desc->use_shortgi = false;
584 }
585
586 static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
587 struct rtl_tcb_desc *tcb_desc,
588 struct ieee80211_tx_info *info)
589 {
590 struct rtl_priv *rtlpriv = rtl_priv(hw);
591 u8 rate_flag = info->control.rates[0].flags;
592
593 /* Common Settings */
594 tcb_desc->b_rts_stbc = false;
595 tcb_desc->b_cts_enable = false;
596 tcb_desc->rts_sc = 0;
597 tcb_desc->b_rts_bw = false;
598 tcb_desc->b_rts_use_shortpreamble = false;
599 tcb_desc->b_rts_use_shortgi = false;
600
601 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
602 /* Use CTS-to-SELF in protection mode. */
603 tcb_desc->b_rts_enable = true;
604 tcb_desc->b_cts_enable = true;
605 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
606 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
607 /* Use RTS-CTS in protection mode. */
608 tcb_desc->b_rts_enable = true;
609 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
610 }
611 }
612
613 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
614 struct ieee80211_sta *sta,
615 struct rtl_tcb_desc *tcb_desc)
616 {
617 struct rtl_priv *rtlpriv = rtl_priv(hw);
618 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
619 struct rtl_sta_info *sta_entry = NULL;
620 u8 ratr_index = 7;
621
622 if (sta) {
623 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
624 ratr_index = sta_entry->ratr_index;
625 }
626 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
627 if (mac->opmode == NL80211_IFTYPE_STATION) {
628 tcb_desc->ratr_index = 0;
629 } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
630 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
631 if (tcb_desc->b_multicast || tcb_desc->b_broadcast) {
632 tcb_desc->hw_rate =
633 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
634 tcb_desc->use_driver_rate = 1;
635 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
636 } else {
637 tcb_desc->ratr_index = ratr_index;
638 }
639 } else if (mac->opmode == NL80211_IFTYPE_AP) {
640 tcb_desc->ratr_index = ratr_index;
641 }
642 }
643
644 if (rtlpriv->dm.b_useramask) {
645 tcb_desc->ratr_index = ratr_index;
646 /* TODO we will differentiate adhoc and station future */
647 if (mac->opmode == NL80211_IFTYPE_STATION ||
648 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
649 tcb_desc->mac_id = 0;
650 if (mac->mode == WIRELESS_MODE_N_24G)
651 tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB;
652 else if (mac->mode == WIRELESS_MODE_N_5G)
653 tcb_desc->ratr_index = RATR_INX_WIRELESS_NG;
654 else if (mac->mode & WIRELESS_MODE_G)
655 tcb_desc->ratr_index = RATR_INX_WIRELESS_GB;
656 else if (mac->mode & WIRELESS_MODE_B)
657 tcb_desc->ratr_index = RATR_INX_WIRELESS_B;
658 else if (mac->mode & WIRELESS_MODE_A)
659 tcb_desc->ratr_index = RATR_INX_WIRELESS_G;
660 } else if (mac->opmode == NL80211_IFTYPE_AP ||
661 mac->opmode == NL80211_IFTYPE_ADHOC) {
662 if (NULL != sta) {
663 if (sta->aid > 0)
664 tcb_desc->mac_id = sta->aid + 1;
665 else
666 tcb_desc->mac_id = 1;
667 } else {
668 tcb_desc->mac_id = 0;
669 }
670 }
671 }
672 }
673
674 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
675 struct ieee80211_sta *sta,
676 struct rtl_tcb_desc *tcb_desc)
677 {
678 struct rtl_priv *rtlpriv = rtl_priv(hw);
679 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
680
681 tcb_desc->b_packet_bw = false;
682 if (!sta)
683 return;
684 if (mac->opmode == NL80211_IFTYPE_AP ||
685 mac->opmode == NL80211_IFTYPE_ADHOC ||
686 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
687 if (!(sta->ht_cap.ht_supported) ||
688 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
689 return;
690 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
691 if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
692 return;
693 }
694 if (tcb_desc->b_multicast || tcb_desc->b_broadcast)
695 return;
696
697 /*use legency rate, shall use 20MHz */
698 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
699 return;
700
701 tcb_desc->b_packet_bw = true;
702 }
703
704 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
705 struct ieee80211_sta *sta)
706 {
707 struct rtl_priv *rtlpriv = rtl_priv(hw);
708 struct rtl_phy *rtlphy = &(rtlpriv->phy);
709 u8 hw_rate;
710
711 if ((get_rf_type(rtlphy) == RF_2T2R) && (sta->ht_cap.mcs.rx_mask[1] != 0))
712 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
713 else
714 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
715
716 return hw_rate;
717 }
718
719 void rtl_get_tcb_desc(struct ieee80211_hw *hw,
720 struct ieee80211_tx_info *info,
721 struct ieee80211_sta *sta,
722 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
723 {
724 struct rtl_priv *rtlpriv = rtl_priv(hw);
725 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
726 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
727 struct ieee80211_rate *txrate;
728 u16 fc = rtl_get_fc(skb);
729
730 txrate = ieee80211_get_tx_rate(hw, info);
731 if (txrate != NULL)
732 tcb_desc->hw_rate = txrate->hw_value;
733
734 if (ieee80211_is_data(fc)) {
735 /*
736 *we set data rate INX 0
737 *in rtl_rc.c if skb is special data or
738 *mgt which need low data rate.
739 */
740
741 /*
742 *So tcb_desc->hw_rate is just used for
743 *special data and mgt frames
744 */
745 if (info->control.rates[0].idx == 0 ||
746 ieee80211_is_nullfunc(fc)) {
747 tcb_desc->use_driver_rate = true;
748 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
749
750 tcb_desc->disable_ratefallback = 1;
751 } else {
752 /*
753 *because hw will never use hw_rate
754 *when tcb_desc->use_driver_rate = false
755 *so we never set highest N rate here,
756 *and N rate will all be controlled by FW
757 *when tcb_desc->use_driver_rate = false
758 */
759 if (sta && (sta->ht_cap.ht_supported)) {
760 tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw, sta);
761 } else {
762 if (rtlmac->mode == WIRELESS_MODE_B) {
763 tcb_desc->hw_rate =
764 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
765 } else {
766 tcb_desc->hw_rate =
767 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
768 }
769 }
770 }
771
772 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)))
773 tcb_desc->b_multicast = 1;
774 else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
775 tcb_desc->b_broadcast = 1;
776
777 _rtl_txrate_selectmode(hw, sta, tcb_desc);
778 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
779 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
780 _rtl_query_shortgi(hw, sta, tcb_desc, info);
781 _rtl_query_protection_mode(hw, tcb_desc, info);
782 } else {
783 tcb_desc->use_driver_rate = true;
784 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
785 tcb_desc->disable_ratefallback = 1;
786 tcb_desc->mac_id = 0;
787 tcb_desc->b_packet_bw = false;
788 }
789 }
790 /* EXPORT_SYMBOL(rtl_get_tcb_desc); */
791
792 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
793 {
794 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
795 struct rtl_priv *rtlpriv = rtl_priv(hw);
796 u16 fc = rtl_get_fc(skb);
797
798 if (rtlpriv->dm.supp_phymode_switch &&
799 mac->link_state < MAC80211_LINKED &&
800 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
801 if (rtlpriv->cfg->ops->check_switch_to_dmdp)
802 rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
803 }
804 if (ieee80211_is_auth(fc)) {
805 RT_TRACE(COMP_SEND, DBG_DMESG, ("MAC80211_LINKING\n"));
806 rtl_ips_nic_on(hw);
807
808 mac->link_state = MAC80211_LINKING;
809 /* Dul mac */
810 rtlpriv->phy.b_need_iqk = true;
811
812 }
813
814 return true;
815 }
816
817 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
818 u8 *bssid, u16 tid);
819 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
820 {
821 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
822 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
823 struct rtl_priv *rtlpriv = rtl_priv(hw);
824 u16 fc = rtl_get_fc(skb);
825 u8 *act = (u8 *) (((u8 *) skb->data + MAC80211_3ADDR_LEN));
826 u8 category;
827
828 if (!ieee80211_is_action(fc))
829 return true;
830
831 category = *act;
832 act++;
833 switch (category) {
834 case ACT_CAT_BA:
835 switch (*act) {
836 case ACT_ADDBAREQ:
837 if (mac->act_scanning)
838 return false;
839
840 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
841 ("%s ACT_ADDBAREQ From :%pM\n",
842 is_tx ? "Tx" : "Rx", hdr->addr2));
843 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, ("req\n"),
844 skb->data, skb->len);
845 if (!is_tx) {
846 struct ieee80211_sta *sta = NULL;
847 struct rtl_sta_info *sta_entry = NULL;
848 struct ieee80211_mgmt *mgmt = (void *)skb->data;
849 u16 capab = 0, tid = 0;
850 struct rtl_tid_data *tid_data;
851 struct sk_buff *skb_delba = NULL;
852 struct ieee80211_rx_status rx_status = { 0 };
853
854 rcu_read_lock();
855 sta = rtl_find_sta(hw, hdr->addr3);
856 if (sta == NULL) {
857 RT_TRACE((COMP_SEND | COMP_RECV),
858 DBG_EMERG, ("sta is NULL\n"));
859 rcu_read_unlock();
860 return true;
861 }
862
863 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
864 if (!sta_entry) {
865 rcu_read_unlock();
866 return true;
867 }
868 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab);
869 tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
870 tid_data = &sta_entry->tids[tid];
871 if (tid_data->agg.rx_agg_state ==
872 RTL_RX_AGG_START) {
873 skb_delba = rtl_make_del_ba(hw,
874 hdr->addr2,
875 hdr->addr3,
876 tid);
877 if (skb_delba) {
878 rx_status.freq = hw->conf.chandef.chan->center_freq;
879 rx_status.band = hw->conf.chandef.chan->band;
880 rx_status.flag |= RX_FLAG_DECRYPTED;
881 rx_status.flag |= RX_FLAG_MACTIME_MPDU;
882 rx_status.rate_idx = 0;
883 rx_status.signal = 50 + 10;
884 memcpy(IEEE80211_SKB_RXCB(skb_delba), &rx_status,
885 sizeof(rx_status));
886 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
887 ("fake del\n"), skb_delba->data,
888 skb_delba->len);
889 ieee80211_rx_irqsafe(hw, skb_delba);
890 }
891 }
892 rcu_read_unlock();
893 }
894 break;
895 case ACT_ADDBARSP:
896 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
897 ("%s ACT_ADDBARSP From :%pM\n",
898 is_tx ? "Tx" : "Rx", hdr->addr2));
899 break;
900 case ACT_DELBA:
901 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
902 ("ACT_ADDBADEL From :%pM\n", hdr->addr2));
903 break;
904 }
905 break;
906 default:
907 break;
908 }
909
910 return true;
911 }
912
913 /*should call before software enc*/
914 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
915 {
916 struct rtl_priv *rtlpriv = rtl_priv(hw);
917 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
918 u16 fc = rtl_get_fc(skb);
919 u16 ether_type;
920 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
921 const struct iphdr *ip;
922
923 if (!ieee80211_is_data(fc))
924 goto end;
925
926
927 ip = (struct iphdr *)((u8 *) skb->data + mac_hdr_len +
928 SNAP_SIZE + PROTOC_TYPE_SIZE);
929 ether_type = *(u16 *) ((u8 *) skb->data + mac_hdr_len + SNAP_SIZE);
930 ether_type = ntohs(ether_type);
931
932 if (ETH_P_IP == ether_type) {
933 if (IPPROTO_UDP == ip->protocol) {
934 struct udphdr *udp = (struct udphdr *)((u8 *) ip +
935 (ip->ihl << 2));
936 if (((((u8 *) udp)[1] == 68) &&
937 (((u8 *) udp)[3] == 67)) ||
938 ((((u8 *) udp)[1] == 67) &&
939 (((u8 *) udp)[3] == 68))) {
940 /*
941 * 68 : UDP BOOTP client
942 * 67 : UDP BOOTP server
943 */
944 RT_TRACE((COMP_SEND | COMP_RECV),
945 DBG_DMESG, ("dhcp %s !!\n",
946 (is_tx) ? "Tx" : "Rx"));
947
948 if (is_tx) {
949 rtlpriv->ra.is_special_data = true;
950 rtl_lps_leave(hw);
951 ppsc->last_delaylps_stamp_jiffies =
952 jiffies;
953 }
954
955 return true;
956 }
957 }
958 } else if (ETH_P_ARP == ether_type) {
959 if (is_tx) {
960 rtlpriv->ra.is_special_data = true;
961 rtl_lps_leave(hw);
962 ppsc->last_delaylps_stamp_jiffies = jiffies;
963 }
964
965 return true;
966 } else if (ETH_P_PAE == ether_type) {
967 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
968 ("802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"));
969
970 if (is_tx) {
971 rtlpriv->ra.is_special_data = true;
972 rtl_lps_leave(hw);
973 ppsc->last_delaylps_stamp_jiffies = jiffies;
974 }
975
976 return true;
977 } else if (0x86DD == ether_type) {
978 return true;
979 }
980
981 end:
982 rtlpriv->ra.is_special_data = false;
983 return false;
984 }
985
986 /*********************************************************
987 *
988 * functions called by core.c
989 *
990 *********************************************************/
991 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
992 struct ieee80211_sta *sta, u16 tid, u16 *ssn)
993 {
994 struct rtl_priv *rtlpriv = rtl_priv(hw);
995 struct rtl_tid_data *tid_data;
996 struct rtl_sta_info *sta_entry = NULL;
997
998 if (sta == NULL)
999 return -EINVAL;
1000
1001 if (unlikely(tid >= MAX_TID_COUNT))
1002 return -EINVAL;
1003
1004 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1005 if (!sta_entry)
1006 return -ENXIO;
1007 tid_data = &sta_entry->tids[tid];
1008
1009 RT_TRACE(COMP_SEND, DBG_DMESG,
1010 ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1011 tid_data->seq_number));
1012
1013 *ssn = tid_data->seq_number;
1014 tid_data->agg.agg_state = RTL_AGG_START;
1015
1016 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1017 return 0;
1018 }
1019
1020 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1021 struct ieee80211_sta *sta, u16 tid)
1022 {
1023 struct rtl_priv *rtlpriv = rtl_priv(hw);
1024 struct rtl_tid_data *tid_data;
1025 struct rtl_sta_info *sta_entry = NULL;
1026
1027 if (sta == NULL)
1028 return -EINVAL;
1029
1030 if (!sta->addr) {
1031 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1032 return -EINVAL;
1033 }
1034
1035 RT_TRACE(COMP_SEND, DBG_DMESG,
1036 ("on ra = %pM tid = %d\n", sta->addr, tid));
1037
1038 if (unlikely(tid >= MAX_TID_COUNT))
1039 return -EINVAL;
1040
1041 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1042 tid_data = &sta_entry->tids[tid];
1043 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1044
1045 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1046 return 0;
1047 }
1048
1049 int rtl_rx_agg_start(struct ieee80211_hw *hw,
1050 struct ieee80211_sta *sta, u16 tid)
1051 {
1052 struct rtl_priv *rtlpriv = rtl_priv(hw);
1053 struct rtl_tid_data *tid_data;
1054 struct rtl_sta_info *sta_entry = NULL;
1055
1056 if (sta == NULL)
1057 return -EINVAL;
1058
1059 if (unlikely(tid >= MAX_TID_COUNT))
1060 return -EINVAL;
1061
1062 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1063 if (!sta_entry)
1064 return -ENXIO;
1065 tid_data = &sta_entry->tids[tid];
1066
1067 RT_TRACE(COMP_RECV, DBG_DMESG,
1068 ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1069 tid_data->seq_number));
1070
1071 tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1072 return 0;
1073 }
1074
1075 int rtl_rx_agg_stop(struct ieee80211_hw *hw,
1076 struct ieee80211_sta *sta, u16 tid)
1077 {
1078 struct rtl_priv *rtlpriv = rtl_priv(hw);
1079 struct rtl_tid_data *tid_data;
1080 struct rtl_sta_info *sta_entry = NULL;
1081
1082 if (sta == NULL)
1083 return -EINVAL;
1084
1085 if (!sta->addr) {
1086 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1087 return -EINVAL;
1088 }
1089
1090 RT_TRACE(COMP_SEND, DBG_DMESG,
1091 ("on ra = %pM tid = %d\n", sta->addr, tid));
1092
1093 if (unlikely(tid >= MAX_TID_COUNT))
1094 return -EINVAL;
1095
1096 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1097 tid_data = &sta_entry->tids[tid];
1098 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
1099
1100 return 0;
1101 }
1102 int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1103 struct ieee80211_sta *sta, u16 tid)
1104 {
1105 struct rtl_priv *rtlpriv = rtl_priv(hw);
1106 struct rtl_tid_data *tid_data;
1107 struct rtl_sta_info *sta_entry = NULL;
1108
1109 if (sta == NULL)
1110 return -EINVAL;
1111
1112 if (!sta->addr) {
1113 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1114 return -EINVAL;
1115 }
1116
1117 RT_TRACE(COMP_SEND, DBG_DMESG,
1118 ("on ra = %pM tid = %d\n", sta->addr, tid));
1119
1120 if (unlikely(tid >= MAX_TID_COUNT))
1121 return -EINVAL;
1122
1123 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1124 tid_data = &sta_entry->tids[tid];
1125 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1126
1127 return 0;
1128 }
1129
1130 /*********************************************************
1131 *
1132 * wq & timer callback functions
1133 *
1134 *********************************************************/
1135 /* this function is used for roaming */
1136 void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1137 {
1138 struct rtl_priv *rtlpriv = rtl_priv(hw);
1139 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1140
1141 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1142 return;
1143
1144 if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1145 return;
1146
1147 /* check if this really is a beacon */
1148 if (!ieee80211_is_beacon(hdr->frame_control) &&
1149 !ieee80211_is_probe_resp(hdr->frame_control))
1150 return;
1151
1152 /* min. beacon length + FCS_LEN */
1153 if (skb->len <= 40 + FCS_LEN)
1154 return;
1155
1156 /* and only beacons from the associated BSSID, please */
1157 if (ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1158 return;
1159
1160 rtlpriv->link_info.bcn_rx_inperiod++;
1161 }
1162
1163 void rtl_watchdog_wq_callback(void *data)
1164 {
1165 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
1166 struct rtl_works,
1167 watchdog_wq);
1168 struct ieee80211_hw *hw = rtlworks->hw;
1169 struct rtl_priv *rtlpriv = rtl_priv(hw);
1170 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1171 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1172 bool b_busytraffic = false;
1173 bool b_tx_busy_traffic = false;
1174 bool b_rx_busy_traffic = false;
1175 bool b_higher_busytraffic = false;
1176 bool b_higher_busyrxtraffic = false;
1177 u8 idx, tid;
1178 u32 rx_cnt_inp4eriod = 0;
1179 u32 tx_cnt_inp4eriod = 0;
1180 u32 aver_rx_cnt_inperiod = 0;
1181 u32 aver_tx_cnt_inperiod = 0;
1182 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
1183 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
1184 bool benter_ps = false;
1185
1186 if (is_hal_stop(rtlhal))
1187 return;
1188
1189 /* <1> Determine if action frame is allowed */
1190 if (mac->link_state > MAC80211_NOLINK) {
1191 if (mac->cnt_after_linked < 20)
1192 mac->cnt_after_linked++;
1193 } else {
1194 mac->cnt_after_linked = 0;
1195 }
1196
1197 /* <2> to check if traffic busy, if
1198 * busytraffic we don't change channel */
1199 if (mac->link_state >= MAC80211_LINKED) {
1200
1201 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
1202 for (idx = 0; idx <= 2; idx++) {
1203 rtlpriv->link_info.num_rx_in4period[idx] =
1204 rtlpriv->link_info.num_rx_in4period[idx + 1];
1205 rtlpriv->link_info.num_tx_in4period[idx] =
1206 rtlpriv->link_info.num_tx_in4period[idx + 1];
1207 }
1208 rtlpriv->link_info.num_rx_in4period[3] =
1209 rtlpriv->link_info.num_rx_inperiod;
1210 rtlpriv->link_info.num_tx_in4period[3] =
1211 rtlpriv->link_info.num_tx_inperiod;
1212 for (idx = 0; idx <= 3; idx++) {
1213 rx_cnt_inp4eriod +=
1214 rtlpriv->link_info.num_rx_in4period[idx];
1215 tx_cnt_inp4eriod +=
1216 rtlpriv->link_info.num_tx_in4period[idx];
1217 }
1218 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
1219 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
1220
1221 /* (2) check traffic busy */
1222 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
1223 b_busytraffic = true;
1224 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
1225 b_rx_busy_traffic = true;
1226 else
1227 b_tx_busy_traffic = false;
1228 }
1229
1230 /* Higher Tx/Rx data. */
1231 if (aver_rx_cnt_inperiod > 4000 ||
1232 aver_tx_cnt_inperiod > 4000) {
1233 b_higher_busytraffic = true;
1234
1235 /* Extremely high Rx data. */
1236 if (aver_rx_cnt_inperiod > 5000)
1237 b_higher_busyrxtraffic = true;
1238 }
1239
1240 /* check every tid's tx traffic */
1241 for (tid = 0; tid <= 7; tid++) {
1242 for (idx = 0; idx <= 2; idx++)
1243 rtlpriv->link_info.tidtx_in4period[tid][idx] =
1244 rtlpriv->link_info.tidtx_in4period[tid]
1245 [idx + 1];
1246 rtlpriv->link_info.tidtx_in4period[tid][3] =
1247 rtlpriv->link_info.tidtx_inperiod[tid];
1248
1249 for (idx = 0; idx <= 3; idx++)
1250 tidtx_inp4eriod[tid] +=
1251 rtlpriv->link_info.tidtx_in4period[tid][idx];
1252 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
1253 if (aver_tidtx_inperiod[tid] > 5000)
1254 rtlpriv->link_info.higher_busytxtraffic[tid] =
1255 true;
1256 else
1257 rtlpriv->link_info.higher_busytxtraffic[tid] =
1258 false;
1259 }
1260
1261 if (((rtlpriv->link_info.num_rx_inperiod +
1262 rtlpriv->link_info.num_tx_inperiod) > 8) ||
1263 (rtlpriv->link_info.num_rx_inperiod > 2))
1264 benter_ps = false;
1265 else
1266 benter_ps = true;
1267
1268 /* LeisurePS only work in infra mode. */
1269 if (benter_ps)
1270 rtl_lps_enter(hw);
1271 else
1272 rtl_lps_leave(hw);
1273 }
1274
1275 rtlpriv->link_info.num_rx_inperiod = 0;
1276 rtlpriv->link_info.num_tx_inperiod = 0;
1277 for (tid = 0; tid <= 7; tid++)
1278 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
1279
1280 rtlpriv->link_info.b_busytraffic = b_busytraffic;
1281 rtlpriv->link_info.b_rx_busy_traffic = b_rx_busy_traffic;
1282 rtlpriv->link_info.b_tx_busy_traffic = b_tx_busy_traffic;
1283 rtlpriv->link_info.b_higher_busytraffic = b_higher_busytraffic;
1284 rtlpriv->link_info.b_higher_busyrxtraffic = b_higher_busyrxtraffic;
1285
1286 /* <3> DM */
1287 rtlpriv->cfg->ops->dm_watchdog(hw);
1288
1289 /* <4> roaming */
1290 if (mac->link_state == MAC80211_LINKED &&
1291 mac->opmode == NL80211_IFTYPE_STATION) {
1292 if ((rtlpriv->link_info.bcn_rx_inperiod +
1293 rtlpriv->link_info.num_rx_inperiod) == 0) {
1294 rtlpriv->link_info.roam_times++;
1295 RT_TRACE(COMP_ERR, DBG_DMESG, ("AP off for %d s\n",
1296 (rtlpriv->link_info.roam_times * 2)));
1297
1298 /* if we can't recv beacon for 10s,
1299 * we should reconnect this AP */
1300 if (rtlpriv->link_info.roam_times >= 5) {
1301 RT_TRACE(COMP_ERR, DBG_EMERG,
1302 ("AP off, try to reconnect now\n"));
1303 rtlpriv->link_info.roam_times = 0;
1304 ieee80211_connection_loss(rtlpriv->mac80211.vif);
1305 }
1306 } else {
1307 rtlpriv->link_info.roam_times = 0;
1308 }
1309 }
1310 rtlpriv->link_info.bcn_rx_inperiod = 0;
1311 }
1312
1313 void rtl_watch_dog_timer_callback(unsigned long data)
1314 {
1315 struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1316 struct rtl_priv *rtlpriv = rtl_priv(hw);
1317
1318 queue_delayed_work(rtlpriv->works.rtl_wq,
1319 &rtlpriv->works.watchdog_wq, 0);
1320
1321 mod_timer(&rtlpriv->works.watchdog_timer,
1322 jiffies + MSECS(RTL_WATCH_DOG_TIME));
1323 }
1324 void rtl_fwevt_wq_callback(void *data)
1325 {
1326 struct rtl_works *rtlworks =
1327 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
1328 struct ieee80211_hw *hw = rtlworks->hw;
1329 struct rtl_priv *rtlpriv = rtl_priv(hw);
1330
1331 rtlpriv->cfg->ops->c2h_command_handle(hw);
1332 }
1333 void rtl_easy_concurrent_retrytimer_callback(unsigned long data)
1334 {
1335 struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1336 struct rtl_priv *rtlpriv = rtl_priv(hw);
1337 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
1338
1339 if (buddy_priv == NULL)
1340 return;
1341
1342 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw);
1343 }
1344 /*********************************************************
1345 *
1346 * frame process functions
1347 *
1348 *********************************************************/
1349 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
1350 {
1351 struct ieee80211_mgmt *mgmt = (void *)data;
1352 u8 *pos, *end;
1353
1354 pos = (u8 *)mgmt->u.beacon.variable;
1355 end = data + len;
1356 while (pos < end) {
1357 if (pos + 2 + pos[1] > end)
1358 return NULL;
1359
1360 if (pos[0] == ie)
1361 return pos;
1362
1363 pos += 2 + pos[1];
1364 }
1365 return NULL;
1366 }
1367
1368 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
1369 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
1370 struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
1371 enum ieee80211_smps_mode smps,
1372 u8 *da, u8 *bssid)
1373 {
1374 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1375 struct sk_buff *skb;
1376 struct ieee80211_mgmt_compat *action_frame;
1377
1378 /* 27 = header + category + action + smps mode */
1379 skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
1380 if (!skb)
1381 return NULL;
1382
1383 skb_reserve(skb, hw->extra_tx_headroom);
1384 action_frame = (void *)skb_put(skb, 27);
1385 memset(action_frame, 0, 27);
1386 memcpy(action_frame->da, da, ETH_ALEN);
1387 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
1388 memcpy(action_frame->bssid, bssid, ETH_ALEN);
1389 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1390 IEEE80211_STYPE_ACTION);
1391 action_frame->u.action.category = WLAN_CATEGORY_HT;
1392 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
1393 switch (smps) {
1394 case IEEE80211_SMPS_AUTOMATIC:/* 0 */
1395 case IEEE80211_SMPS_NUM_MODES:/* 4 */
1396 WARN_ON(1);
1397 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
1398 action_frame->u.action.u.ht_smps.smps_control =
1399 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
1400 break;
1401 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
1402 action_frame->u.action.u.ht_smps.smps_control =
1403 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
1404 break;
1405 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
1406 action_frame->u.action.u.ht_smps.smps_control =
1407 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
1408 break;
1409 }
1410
1411 return skb;
1412 }
1413
1414 int rtl_send_smps_action(struct ieee80211_hw *hw,
1415 struct ieee80211_sta *sta,
1416 enum ieee80211_smps_mode smps)
1417 {
1418 struct rtl_priv *rtlpriv = rtl_priv(hw);
1419 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1420 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1421 struct sk_buff *skb = NULL;
1422 struct rtl_tcb_desc tcb_desc;
1423 u8 bssid[ETH_ALEN] = {0};
1424
1425 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1426
1427 if (rtlpriv->mac80211.act_scanning)
1428 goto err_free;
1429
1430 if (!sta)
1431 goto err_free;
1432
1433 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
1434 goto err_free;
1435
1436 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1437 goto err_free;
1438
1439 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
1440 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
1441 else
1442 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
1443
1444 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
1445 /* this is a type = mgmt * stype = action frame */
1446 if (skb) {
1447 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1448 struct rtl_sta_info *sta_entry =
1449 (struct rtl_sta_info *) sta->drv_priv;
1450 sta_entry->mimo_ps = smps;
1451 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); */
1452
1453 info->control.rates[0].idx = 0;
1454 info->band = hw->conf.chandef.chan->band;
1455 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
1456 }
1457 return 1;
1458
1459 err_free:
1460 return 0;
1461 }
1462 /* EXPORT_SYMBOL(rtl_send_smps_action); */
1463
1464 /* because mac80211 have issues when can receive del ba
1465 * so here we just make a fake del_ba if we receive a ba_req
1466 * but rx_agg was opened to let mac80211 release some ba
1467 * related resources, so please this del_ba for tx */
1468 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
1469 u8 *sa, u8 *bssid, u16 tid)
1470 {
1471 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1472 struct sk_buff *skb;
1473 struct ieee80211_mgmt *action_frame;
1474 u16 params;
1475
1476 /* 27 = header + category + action + smps mode */
1477 skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
1478 if (!skb)
1479 return NULL;
1480
1481 skb_reserve(skb, hw->extra_tx_headroom);
1482 action_frame = (void *)skb_put(skb, 34);
1483 memset(action_frame, 0, 34);
1484 memcpy(action_frame->sa, sa, ETH_ALEN);
1485 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
1486 memcpy(action_frame->bssid, bssid, ETH_ALEN);
1487 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1488 IEEE80211_STYPE_ACTION);
1489 action_frame->u.action.category = WLAN_CATEGORY_BACK;
1490 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
1491 params = (u16)(1 << 11); /* bit 11 initiator */
1492 params |= (u16)(tid << 12); /* bit 15:12 TID number */
1493
1494 action_frame->u.action.u.delba.params = cpu_to_le16(params);
1495 action_frame->u.action.u.delba.reason_code =
1496 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
1497
1498 return skb;
1499 }
1500
1501 /*********************************************************
1502 *
1503 * IOT functions
1504 *
1505 *********************************************************/
1506 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
1507 struct octet_string vendor_ie)
1508 {
1509 struct rtl_priv *rtlpriv = rtl_priv(hw);
1510 bool matched = false;
1511 static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
1512 static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
1513 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
1514 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
1515 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
1516 static u8 racap[] = { 0x00, 0x0c, 0x43 };
1517 static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
1518 static u8 marvcap[] = { 0x00, 0x50, 0x43 };
1519
1520 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
1521 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
1522 rtlpriv->mac80211.vendor = PEER_ATH;
1523 matched = true;
1524 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
1525 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
1526 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
1527 rtlpriv->mac80211.vendor = PEER_BROAD;
1528 matched = true;
1529 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
1530 rtlpriv->mac80211.vendor = PEER_RAL;
1531 matched = true;
1532 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
1533 rtlpriv->mac80211.vendor = PEER_CISCO;
1534 matched = true;
1535 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
1536 rtlpriv->mac80211.vendor = PEER_MARV;
1537 matched = true;
1538 }
1539
1540 return matched;
1541 }
1542
1543 bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
1544 unsigned int len)
1545 {
1546 struct ieee80211_mgmt *mgmt = (void *)data;
1547 struct octet_string vendor_ie;
1548 u8 *pos, *end;
1549
1550 pos = (u8 *)mgmt->u.beacon.variable;
1551 end = data + len;
1552 while (pos < end) {
1553 if (pos[0] == 221) {
1554 vendor_ie.length = pos[1];
1555 vendor_ie.octet = &pos[2];
1556 if (rtl_chk_vendor_ouisub(hw, vendor_ie))
1557 return true;
1558 }
1559
1560 if (pos + 2 + pos[1] > end)
1561 return false;
1562
1563 pos += 2 + pos[1];
1564 }
1565 return false;
1566 }
1567
1568 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
1569 {
1570 struct rtl_priv *rtlpriv = rtl_priv(hw);
1571 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1572 struct ieee80211_hdr *hdr = (void *)data;
1573 u32 vendor = PEER_UNKNOWN;
1574
1575 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
1576 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
1577 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
1578 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
1579 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
1580 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
1581 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
1582 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
1583 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
1584 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
1585 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
1586 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
1587 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
1588 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
1589 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
1590 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
1591
1592 if (mac->opmode != NL80211_IFTYPE_STATION)
1593 return;
1594
1595 if (mac->link_state == MAC80211_NOLINK) {
1596 mac->vendor = PEER_UNKNOWN;
1597 return;
1598 }
1599
1600 if (mac->cnt_after_linked > 2)
1601 return;
1602
1603 /* check if this really is a beacon */
1604 if (!ieee80211_is_beacon(hdr->frame_control))
1605 return;
1606
1607 /* min. beacon length + FCS_LEN */
1608 if (len <= 40 + FCS_LEN)
1609 return;
1610
1611 /* and only beacons from the associated BSSID, please */
1612 if (ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1613 return;
1614
1615 if (rtl_find_221_ie(hw, data, len))
1616 vendor = mac->vendor;
1617
1618 if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
1619 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
1620 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
1621 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
1622 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
1623 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
1624 vendor == PEER_ATH) {
1625 vendor = PEER_ATH;
1626 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>ath find\n"));
1627 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
1628 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
1629 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
1630 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
1631 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
1632 vendor == PEER_RAL) {
1633 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>ral find\n"));
1634 vendor = PEER_RAL;
1635 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
1636 vendor == PEER_CISCO) {
1637 vendor = PEER_CISCO;
1638 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>cisco find\n"));
1639 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
1640 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
1641 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
1642 vendor == PEER_BROAD) {
1643 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>broad find\n"));
1644 vendor = PEER_BROAD;
1645 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
1646 vendor == PEER_MARV) {
1647 vendor = PEER_MARV;
1648 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>marv find\n"));
1649 }
1650
1651 mac->vendor = vendor;
1652 }
1653
1654 /*********************************************************
1655 *
1656 * sysfs functions
1657 *
1658 *********************************************************/
1659 static ssize_t rtl_show_debug_level(struct device *d,
1660 struct device_attribute *attr, char *buf)
1661 {
1662 struct ieee80211_hw *hw = dev_get_drvdata(d);
1663 struct rtl_priv *rtlpriv = rtl_priv(hw);
1664
1665 return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel);
1666 }
1667
1668 static ssize_t rtl_store_debug_level(struct device *d,
1669 struct device_attribute *attr,
1670 const char *buf, size_t count)
1671 {
1672 struct ieee80211_hw *hw = dev_get_drvdata(d);
1673 struct rtl_priv *rtlpriv = rtl_priv(hw);
1674 unsigned long val;
1675 int ret;
1676
1677 ret = kstrtoul(buf, 0, &val);
1678 if (ret) {
1679 printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf);
1680 } else {
1681 rtlpriv->dbg.global_debuglevel = val;
1682 printk(KERN_DEBUG "debuglevel:%x\n",
1683 rtlpriv->dbg.global_debuglevel);
1684 }
1685
1686 return strnlen(buf, count);
1687 }
1688
1689 static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO,
1690 rtl_show_debug_level, rtl_store_debug_level);
1691
1692 static struct attribute *rtl_sysfs_entries[] = {
1693
1694 &dev_attr_debug_level.attr,
1695
1696 NULL
1697 };
1698
1699 /*
1700 * "name" is folder name witch will be
1701 * put in device directory like :
1702 * sys/devices/pci0000:00/0000:00:1c.4/
1703 * 0000:06:00.0/rtl_sysfs
1704 */
1705 struct attribute_group rtl_attribute_group = {
1706 .name = "rtlsysfs",
1707 .attrs = rtl_sysfs_entries,
1708 };
1709
1710 #ifdef VIF_TODO
1711 /*********************************************************
1712 *
1713 * vif functions
1714 *
1715 *********************************************************/
1716 static inline struct ieee80211_vif *
1717 rtl_get_vif(struct rtl_vif_info *vif_priv)
1718 {
1719 return container_of((void *)vif_priv, struct ieee80211_vif, drv_priv);
1720 }
1721
1722 /* Protected by ar->mutex or RCU */
1723 struct ieee80211_vif *rtl_get_main_vif(struct ieee80211_hw *hw)
1724 {
1725 struct rtl_priv *rtlpriv = rtl_priv(hw);
1726 struct rtl_vif_info *cvif;
1727
1728 list_for_each_entry_rcu(cvif, &rtlpriv->vif_priv.vif_list, list) {
1729 if (cvif->active)
1730 return rtl_get_vif(cvif);
1731 }
1732
1733 return NULL;
1734 }
1735
1736 static inline bool is_main_vif(struct ieee80211_hw *hw,
1737 struct ieee80211_vif *vif)
1738 {
1739 bool ret;
1740
1741 rcu_read_lock();
1742 ret = (rtl_get_main_vif(hw) == vif);
1743 rcu_read_unlock();
1744 return ret;
1745 }
1746
1747 bool rtl_set_vif_info(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1748 {
1749 struct rtl_vif_info *vif_info = (void *) vif->drv_priv;
1750 struct rtl_priv *rtlpriv = rtl_priv(hw);
1751 int vif_id = -1;
1752
1753 if (rtlpriv->vif_priv.vifs >= MAX_VIRTUAL_MAC) {
1754 RT_TRACE(COMP_ERR, DBG_WARNING,
1755 ("vif number can not bigger than %d, now vifs is:%d\n",
1756 MAX_VIRTUAL_MAC, rtlpriv->vif_priv.vifs));
1757 return false;
1758 }
1759
1760 rcu_read_lock();
1761 vif_id = bitmap_find_free_region(&rtlpriv->vif_priv.vif_bitmap,
1762 MAX_VIRTUAL_MAC, 0);
1763 RT_TRACE(COMP_MAC80211, DBG_DMESG,
1764 ("%s vid_id:%d\n", __func__, vif_id));
1765
1766 if (vif_id < 0) {
1767 rcu_read_unlock();
1768 return false;
1769 }
1770
1771 BUG_ON(rtlpriv->vif_priv.vif[vif_id].id != vif_id);
1772 vif_info->active = true;
1773 vif_info->id = vif_id;
1774 vif_info->enable_beacon = false;
1775 rtlpriv->vif_priv.vifs++;
1776 if (rtlpriv->vif_priv.vifs > 1) {
1777 rtlpriv->psc.b_inactiveps = false;
1778 rtlpriv->psc.b_swctrl_lps = false;
1779 rtlpriv->psc.b_fwctrl_lps = false;
1780 }
1781
1782 list_add_tail_rcu(&vif_info->list, &rtlpriv->vif_priv.vif_list);
1783 rcu_assign_pointer(rtlpriv->vif_priv.vif[vif_id].vif, vif);
1784
1785 RT_TRACE(COMP_MAC80211, DBG_DMESG, ("vifaddress:%p %p %p\n",
1786 rtlpriv->vif_priv.vif[vif_id].vif, vif, rtl_get_main_vif(hw)));
1787
1788 rcu_read_unlock();
1789
1790 return true;
1791 }
1792 #endif
1793
1794
1795 #if 0
1796 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
1797 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
1798 MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
1799 MODULE_LICENSE("GPL");
1800 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
1801 #endif
1802 struct rtl_global_var global_var = {};
1803
1804 int rtl_core_module_init(void)
1805 {
1806 if (rtl_rate_control_register())
1807 printk(KERN_DEBUG "rtl: Unable to register rtl_rc, use default RC !!\n");
1808
1809 /* add proc for debug */
1810 rtl_proc_add_topdir();
1811
1812 /* init some global vars */
1813 INIT_LIST_HEAD(&global_var.glb_priv_list);
1814 spin_lock_init(&global_var.glb_list_lock);
1815
1816 return 0;
1817 }
1818
1819 void rtl_core_module_exit(void)
1820 {
1821 /*RC*/
1822 rtl_rate_control_unregister();
1823
1824 /* add proc for debug */
1825 rtl_proc_remove_topdir();
1826 }
1827
1828 #if 0
1829 module_init(rtl_core_module_init);
1830 module_exit(rtl_core_module_exit);
1831 #endif
Linux with added FPC-III support