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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / staging / rtl8821ae / base.c
blob18c936fbdf1e9df6689953874b338fa1a6248e03
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 hsould
43 *keep it clear under follwing roles:
44 *
45 *This file include follwing 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 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
324 IEEE80211_HW_BEACON_FILTER |
325 #endif
326 IEEE80211_HW_AMPDU_AGGREGATION |
327 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
328 IEEE80211_HW_CONNECTION_MONITOR |
329 /* IEEE80211_HW_SUPPORTS_CQM_RSSI | */
330 IEEE80211_HW_MFP_CAPABLE | 0;
331
332 /* swlps or hwlps has been set in diff chip in init_sw_vars */
333 if (rtlpriv->psc.b_swctrl_lps)
334 hw->flags |= IEEE80211_HW_SUPPORTS_PS |
335 IEEE80211_HW_PS_NULLFUNC_STACK |
336 /* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */
337 0;
338 /*<delete in kernel start>*/
339 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
340 hw->wiphy->interface_modes =
341 BIT(NL80211_IFTYPE_AP) |
342 BIT(NL80211_IFTYPE_STATION) |
343 BIT(NL80211_IFTYPE_ADHOC) |
344 BIT(NL80211_IFTYPE_MESH_POINT) |
345 BIT(NL80211_IFTYPE_P2P_CLIENT) |
346 BIT(NL80211_IFTYPE_P2P_GO);
347 #else
348 /*<delete in kernel end>*/
349 hw->wiphy->interface_modes =
350 BIT(NL80211_IFTYPE_AP) |
351 BIT(NL80211_IFTYPE_STATION) |
352 BIT(NL80211_IFTYPE_ADHOC) |
353 BIT(NL80211_IFTYPE_MESH_POINT) ;
354 /*<delete in kernel start>*/
355 #endif
356 /*<delete in kernel end>*/
357 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,39))
358 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
359 #endif
360
361 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
362 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
363 #endif
364
365 hw->wiphy->rts_threshold = 2347;
366
367 hw->queues = AC_MAX;
368 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
369
370 /* TODO: Correct this value for our hw */
371 /* TODO: define these hard code value */
372 hw->max_listen_interval = 10;
373 hw->max_rate_tries = 4;
374 /* hw->max_rates = 1; */
375 hw->sta_data_size = sizeof(struct rtl_sta_info);
376 #ifdef VIF_TODO
377 hw->vif_data_size = sizeof(struct rtl_vif_info);
378 #endif
379
380 /* <6> mac address */
381 if (is_valid_ether_addr(rtlefuse->dev_addr)) {
382 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
383 } else {
384 u8 rtlmac[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
385 get_random_bytes((rtlmac + (ETH_ALEN - 1)), 1);
386 SET_IEEE80211_PERM_ADDR(hw, rtlmac);
387 }
388
389 }
390
391 static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
392 {
393 struct rtl_priv *rtlpriv = rtl_priv(hw);
394
395 /* <1> timer */
396 init_timer(&rtlpriv->works.watchdog_timer);
397 setup_timer(&rtlpriv->works.watchdog_timer,
398 rtl_watch_dog_timer_callback, (unsigned long)hw);
399 init_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer);
400 setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
401 rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw);
402 /* <2> work queue */
403 rtlpriv->works.hw = hw;
404 /*<delete in kernel start>*/
405 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
406 /*<delete in kernel end>*/
407 rtlpriv->works.rtl_wq = alloc_workqueue(rtlpriv->cfg->name, 0, 0);
408 /*<delete in kernel start>*/
409 #else
410 rtlpriv->works.rtl_wq = create_workqueue(rtlpriv->cfg->name);
411 #endif
412 /*<delete in kernel end>*/
413 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
414 (void *)rtl_watchdog_wq_callback);
415 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
416 (void *)rtl_ips_nic_off_wq_callback);
417 INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
418 (void *)rtl_swlps_wq_callback);
419 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
420 (void *)rtl_swlps_rfon_wq_callback);
421 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq,
422 (void *)rtl_fwevt_wq_callback);
423
424 }
425
426 void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
427 {
428 struct rtl_priv *rtlpriv = rtl_priv(hw);
429
430 del_timer_sync(&rtlpriv->works.watchdog_timer);
431
432 cancel_delayed_work(&rtlpriv->works.watchdog_wq);
433 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
434 cancel_delayed_work(&rtlpriv->works.ps_work);
435 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
436 cancel_delayed_work(&rtlpriv->works.fwevt_wq);
437 }
438
439 void rtl_init_rfkill(struct ieee80211_hw *hw)
440 {
441 struct rtl_priv *rtlpriv = rtl_priv(hw);
442
443 bool radio_state;
444 bool blocked;
445 u8 valid = 0;
446
447 /*set init state to on */
448 rtlpriv->rfkill.rfkill_state = 1;
449 wiphy_rfkill_set_hw_state(hw->wiphy, 0);
450
451 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
452
453 if (valid) {
454 printk(KERN_INFO "rtlwifi: wireless switch is %s\n",
455 rtlpriv->rfkill.rfkill_state ? "on" : "off");
456
457 rtlpriv->rfkill.rfkill_state = radio_state;
458
459 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
460 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
461 }
462
463 wiphy_rfkill_start_polling(hw->wiphy);
464 }
465
466 void rtl_deinit_rfkill(struct ieee80211_hw *hw)
467 {
468 wiphy_rfkill_stop_polling(hw->wiphy);
469 }
470
471 #ifdef VIF_TODO
472 static void rtl_init_vif(struct ieee80211_hw *hw)
473 {
474 struct rtl_priv *rtlpriv = rtl_priv(hw);
475
476 INIT_LIST_HEAD(&rtlpriv->vif_priv.vif_list);
477
478 rtlpriv->vif_priv.vifs = 0;
479 }
480 #endif
481
482 int rtl_init_core(struct ieee80211_hw *hw)
483 {
484 struct rtl_priv *rtlpriv = rtl_priv(hw);
485 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
486
487 /* <1> init mac80211 */
488 _rtl_init_mac80211(hw);
489 rtlmac->hw = hw;
490 rtlmac->link_state = MAC80211_NOLINK;
491
492 /* <2> rate control register */
493 hw->rate_control_algorithm = "rtl_rc";
494
495 /*
496 * <3> init CRDA must come after init
497 * mac80211 hw in _rtl_init_mac80211.
498 */
499 if (rtl_regd_init(hw, rtl_reg_notifier)) {
500 RT_TRACE(COMP_ERR, DBG_EMERG, ("REGD init failed\n"));
501 return 1;
502 }
503
504 /* <4> locks */
505 mutex_init(&rtlpriv->locks.conf_mutex);
506 spin_lock_init(&rtlpriv->locks.ips_lock);
507 spin_lock_init(&rtlpriv->locks.irq_th_lock);
508 spin_lock_init(&rtlpriv->locks.h2c_lock);
509 spin_lock_init(&rtlpriv->locks.rf_ps_lock);
510 spin_lock_init(&rtlpriv->locks.rf_lock);
511 spin_lock_init(&rtlpriv->locks.lps_lock);
512 spin_lock_init(&rtlpriv->locks.waitq_lock);
513 spin_lock_init(&rtlpriv->locks.entry_list_lock);
514 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
515 spin_lock_init(&rtlpriv->locks.check_sendpkt_lock);
516 spin_lock_init(&rtlpriv->locks.fw_ps_lock);
517 spin_lock_init(&rtlpriv->locks.iqk_lock);
518 /* <5> init list */
519 INIT_LIST_HEAD(&rtlpriv->entry_list);
520
521 /* <6> init deferred work */
522 _rtl_init_deferred_work(hw);
523
524 /* <7> */
525 #ifdef VIF_TODO
526 rtl_init_vif(hw);
527 #endif
528
529 return 0;
530 }
531
532 void rtl_deinit_core(struct ieee80211_hw *hw)
533 {
534 }
535
536 void rtl_init_rx_config(struct ieee80211_hw *hw)
537 {
538 struct rtl_priv *rtlpriv = rtl_priv(hw);
539 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
540
541 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
542 }
543
544 /*********************************************************
545 *
546 * tx information functions
547 *
548 *********************************************************/
549 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
550 struct rtl_tcb_desc *tcb_desc,
551 struct ieee80211_tx_info *info)
552 {
553 struct rtl_priv *rtlpriv = rtl_priv(hw);
554 u8 rate_flag = info->control.rates[0].flags;
555
556 tcb_desc->use_shortpreamble = false;
557
558 /* 1M can only use Long Preamble. 11B spec */
559 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
560 return;
561 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
562 tcb_desc->use_shortpreamble = true;
563
564 return;
565 }
566
567 static void _rtl_query_shortgi(struct ieee80211_hw *hw,
568 struct ieee80211_sta *sta,
569 struct rtl_tcb_desc *tcb_desc,
570 struct ieee80211_tx_info *info)
571 {
572 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
573 u8 rate_flag = info->control.rates[0].flags;
574 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
575 tcb_desc->use_shortgi = false;
576
577 if (sta == NULL)
578 return;
579
580 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
581 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
582
583 if (!(sta->ht_cap.ht_supported))
584 return;
585
586 if (!sgi_40 && !sgi_20)
587 return;
588
589 if (mac->opmode == NL80211_IFTYPE_STATION)
590 bw_40 = mac->bw_40;
591 else if (mac->opmode == NL80211_IFTYPE_AP ||
592 mac->opmode == NL80211_IFTYPE_ADHOC ||
593 mac->opmode == NL80211_IFTYPE_MESH_POINT)
594 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
595
596 if ((bw_40 == true) && sgi_40)
597 tcb_desc->use_shortgi = true;
598 else if ((bw_40 == false) && sgi_20)
599 tcb_desc->use_shortgi = true;
600
601 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
602 tcb_desc->use_shortgi = false;
603 }
604
605 static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
606 struct rtl_tcb_desc *tcb_desc,
607 struct ieee80211_tx_info *info)
608 {
609 struct rtl_priv *rtlpriv = rtl_priv(hw);
610 u8 rate_flag = info->control.rates[0].flags;
611
612 /* Common Settings */
613 tcb_desc->b_rts_stbc = false;
614 tcb_desc->b_cts_enable = false;
615 tcb_desc->rts_sc = 0;
616 tcb_desc->b_rts_bw = false;
617 tcb_desc->b_rts_use_shortpreamble = false;
618 tcb_desc->b_rts_use_shortgi = false;
619
620 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
621 /* Use CTS-to-SELF in protection mode. */
622 tcb_desc->b_rts_enable = true;
623 tcb_desc->b_cts_enable = true;
624 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
625 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
626 /* Use RTS-CTS in protection mode. */
627 tcb_desc->b_rts_enable = true;
628 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
629 }
630 }
631
632 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
633 struct ieee80211_sta *sta,
634 struct rtl_tcb_desc *tcb_desc)
635 {
636 struct rtl_priv *rtlpriv = rtl_priv(hw);
637 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
638 struct rtl_sta_info *sta_entry = NULL;
639 u8 ratr_index = 7;
640
641 if (sta) {
642 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
643 ratr_index = sta_entry->ratr_index;
644 }
645 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
646 if (mac->opmode == NL80211_IFTYPE_STATION) {
647 tcb_desc->ratr_index = 0;
648 } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
649 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
650 if (tcb_desc->b_multicast || tcb_desc->b_broadcast) {
651 tcb_desc->hw_rate =
652 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
653 tcb_desc->use_driver_rate = 1;
654 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
655 } else {
656 tcb_desc->ratr_index = ratr_index;
657 }
658 } else if (mac->opmode == NL80211_IFTYPE_AP) {
659 tcb_desc->ratr_index = ratr_index;
660 }
661 }
662
663 if (rtlpriv->dm.b_useramask) {
664 tcb_desc->ratr_index = ratr_index;
665 /* TODO we will differentiate adhoc and station futrue */
666 if (mac->opmode == NL80211_IFTYPE_STATION ||
667 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
668 tcb_desc->mac_id = 0;
669
670 if (mac->mode == WIRELESS_MODE_N_24G) {
671 tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB;
672 } else if (mac->mode == WIRELESS_MODE_N_5G) {
673 tcb_desc->ratr_index = RATR_INX_WIRELESS_NG;
674 } else if (mac->mode & WIRELESS_MODE_G) {
675 tcb_desc->ratr_index = RATR_INX_WIRELESS_GB;
676 } else if (mac->mode & WIRELESS_MODE_B) {
677 tcb_desc->ratr_index = RATR_INX_WIRELESS_B;
678 } else if (mac->mode & WIRELESS_MODE_A) {
679 tcb_desc->ratr_index = RATR_INX_WIRELESS_G;
680 }
681 } else if (mac->opmode == NL80211_IFTYPE_AP ||
682 mac->opmode == NL80211_IFTYPE_ADHOC) {
683 if (NULL != sta) {
684 if (sta->aid > 0) {
685 tcb_desc->mac_id = sta->aid + 1;
686 } else {
687 tcb_desc->mac_id = 1;
688 }
689 } else {
690 tcb_desc->mac_id = 0;
691 }
692 }
693 }
694 }
695
696 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
697 struct ieee80211_sta *sta,
698 struct rtl_tcb_desc *tcb_desc)
699 {
700 struct rtl_priv *rtlpriv = rtl_priv(hw);
701 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
702
703 tcb_desc->b_packet_bw = false;
704 if (!sta)
705 return;
706 if (mac->opmode == NL80211_IFTYPE_AP ||
707 mac->opmode == NL80211_IFTYPE_ADHOC ||
708 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
709 if (!(sta->ht_cap.ht_supported) ||
710 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
711 return;
712 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
713 if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
714 return;
715 }
716 if (tcb_desc->b_multicast || tcb_desc->b_broadcast)
717 return;
718
719 /*use legency rate, shall use 20MHz */
720 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
721 return;
722
723 tcb_desc->b_packet_bw = true;
724 }
725
726 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
727 struct ieee80211_sta *sta)
728 {
729 struct rtl_priv *rtlpriv = rtl_priv(hw);
730 struct rtl_phy *rtlphy = &(rtlpriv->phy);
731 u8 hw_rate;
732
733 if ((get_rf_type(rtlphy) == RF_2T2R) && (sta->ht_cap.mcs.rx_mask[1]!=0))
734 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
735 else
736 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
737
738 return hw_rate;
739 }
740
741 void rtl_get_tcb_desc(struct ieee80211_hw *hw,
742 struct ieee80211_tx_info *info,
743 struct ieee80211_sta *sta,
744 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
745 {
746 struct rtl_priv *rtlpriv = rtl_priv(hw);
747 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
748 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
749 struct ieee80211_rate *txrate;
750 u16 fc = rtl_get_fc(skb);
751
752 txrate = ieee80211_get_tx_rate(hw, info);
753 if (txrate != NULL)
754 tcb_desc->hw_rate = txrate->hw_value;
755
756 if (ieee80211_is_data(fc)) {
757 /*
758 *we set data rate INX 0
759 *in rtl_rc.c if skb is special data or
760 *mgt which need low data rate.
761 */
762
763 /*
764 *So tcb_desc->hw_rate is just used for
765 *special data and mgt frames
766 */
767 if (info->control.rates[0].idx == 0 ||
768 ieee80211_is_nullfunc(fc)) {
769 tcb_desc->use_driver_rate = true;
770 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
771
772 tcb_desc->disable_ratefallback = 1;
773 } else {
774 /*
775 *because hw will nerver use hw_rate
776 *when tcb_desc->use_driver_rate = false
777 *so we never set highest N rate here,
778 *and N rate will all be controled by FW
779 *when tcb_desc->use_driver_rate = false
780 */
781 if (sta && (sta->ht_cap.ht_supported)) {
782 tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw, sta);
783 } else {
784 if(rtlmac->mode == WIRELESS_MODE_B) {
785 tcb_desc->hw_rate =
786 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
787 } else {
788 tcb_desc->hw_rate =
789 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
790 }
791 }
792 }
793
794 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)))
795 tcb_desc->b_multicast = 1;
796 else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
797 tcb_desc->b_broadcast = 1;
798
799 _rtl_txrate_selectmode(hw, sta, tcb_desc);
800 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
801 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
802 _rtl_query_shortgi(hw, sta, tcb_desc, info);
803 _rtl_query_protection_mode(hw, tcb_desc, info);
804 } else {
805 tcb_desc->use_driver_rate = true;
806 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
807 tcb_desc->disable_ratefallback = 1;
808 tcb_desc->mac_id = 0;
809 tcb_desc->b_packet_bw = false;
810 }
811 }
812 //EXPORT_SYMBOL(rtl_get_tcb_desc);
813
814 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
815 {
816 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
817 struct rtl_priv *rtlpriv = rtl_priv(hw);
818 u16 fc = rtl_get_fc(skb);
819
820 if (rtlpriv->dm.supp_phymode_switch &&
821 mac->link_state < MAC80211_LINKED &&
822 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
823 if (rtlpriv->cfg->ops->check_switch_to_dmdp)
824 rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
825 }
826 if (ieee80211_is_auth(fc)) {
827 RT_TRACE(COMP_SEND, DBG_DMESG, ("MAC80211_LINKING\n"));
828 rtl_ips_nic_on(hw);
829
830 mac->link_state = MAC80211_LINKING;
831 /* Dul mac */
832 rtlpriv->phy.b_need_iqk = true;
833
834 }
835
836 return true;
837 }
838
839 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
840 u8 *bssid, u16 tid);
841 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
842 {
843 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
844 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
845 struct rtl_priv *rtlpriv = rtl_priv(hw);
846 u16 fc = rtl_get_fc(skb);
847 u8 *act = (u8 *) (((u8 *) skb->data + MAC80211_3ADDR_LEN));
848 u8 category;
849
850 if (!ieee80211_is_action(fc))
851 return true;
852
853 category = *act;
854 act++;
855 switch (category) {
856 case ACT_CAT_BA:
857 switch (*act) {
858 case ACT_ADDBAREQ:
859 if (mac->act_scanning)
860 return false;
861
862 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
863 ("%s ACT_ADDBAREQ From :%pM\n",
864 is_tx ? "Tx" : "Rx", hdr->addr2));
865 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, ("req \n"),
866 skb->data, skb->len);
867 if (!is_tx) {
868 struct ieee80211_sta *sta = NULL;
869 struct rtl_sta_info *sta_entry = NULL;
870 struct ieee80211_mgmt *mgmt = (void *)skb->data;
871 u16 capab = 0, tid = 0;
872 struct rtl_tid_data *tid_data;
873 struct sk_buff *skb_delba = NULL;
874 struct ieee80211_rx_status rx_status = { 0 };
875
876 rcu_read_lock();
877 sta = rtl_find_sta(hw, hdr->addr3);
878 if (sta == NULL) {
879 RT_TRACE((COMP_SEND | COMP_RECV),
880 DBG_EMERG, ("sta is NULL\n"));
881 rcu_read_unlock();
882 return true;
883 }
884
885 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
886 if (!sta_entry) {
887 rcu_read_unlock();
888 return true;
889 }
890 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab);
891 tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
892 tid_data = &sta_entry->tids[tid];
893 if (tid_data->agg.rx_agg_state ==
894 RTL_RX_AGG_START) {
895 skb_delba = rtl_make_del_ba(hw,
896 hdr->addr2,
897 hdr->addr3,
898 tid);
899 if (skb_delba) {
900 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
901 rx_status.freq = hw->conf.chandef.chan->center_freq;
902 rx_status.band = hw->conf.chandef.chan->band;
903 #else
904 rx_status.freq = hw->conf.channel->center_freq;
905 rx_status.band = hw->conf.channel->band;
906 #endif
907 rx_status.flag |= RX_FLAG_DECRYPTED;
908 rx_status.flag |= RX_FLAG_MACTIME_MPDU;
909 rx_status.rate_idx = 0;
910 rx_status.signal = 50 + 10;
911 memcpy(IEEE80211_SKB_RXCB(skb_delba), &rx_status,
912 sizeof(rx_status));
913 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
914 ("fake del\n"), skb_delba->data,
915 skb_delba->len);
916 ieee80211_rx_irqsafe(hw, skb_delba);
917 }
918 }
919 rcu_read_unlock();
920 }
921 break;
922 case ACT_ADDBARSP:
923 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
924 ("%s ACT_ADDBARSP From :%pM\n",
925 is_tx ? "Tx" : "Rx", hdr->addr2));
926 break;
927 case ACT_DELBA:
928 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
929 ("ACT_ADDBADEL From :%pM\n", hdr->addr2));
930 break;
931 }
932 break;
933 default:
934 break;
935 }
936
937 return true;
938 }
939
940 /*should call before software enc*/
941 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
942 {
943 struct rtl_priv *rtlpriv = rtl_priv(hw);
944 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
945 u16 fc = rtl_get_fc(skb);
946 u16 ether_type;
947 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
948 const struct iphdr *ip;
949
950 if (!ieee80211_is_data(fc))
951 goto end;
952
953
954 ip = (struct iphdr *)((u8 *) skb->data + mac_hdr_len +
955 SNAP_SIZE + PROTOC_TYPE_SIZE);
956 ether_type = *(u16 *) ((u8 *) skb->data + mac_hdr_len + SNAP_SIZE);
957 ether_type = ntohs(ether_type);
958
959 if (ETH_P_IP == ether_type) {
960 if (IPPROTO_UDP == ip->protocol) {
961 struct udphdr *udp = (struct udphdr *)((u8 *) ip +
962 (ip->ihl << 2));
963 if (((((u8 *) udp)[1] == 68) &&
964 (((u8 *) udp)[3] == 67)) ||
965 ((((u8 *) udp)[1] == 67) &&
966 (((u8 *) udp)[3] == 68))) {
967 /*
968 * 68 : UDP BOOTP client
969 * 67 : UDP BOOTP server
970 */
971 RT_TRACE((COMP_SEND | COMP_RECV),
972 DBG_DMESG, ("dhcp %s !!\n",
973 (is_tx) ? "Tx" : "Rx"));
974
975 if (is_tx) {
976 rtlpriv->ra.is_special_data = true;
977 rtl_lps_leave(hw);
978 ppsc->last_delaylps_stamp_jiffies =
979 jiffies;
980 }
981
982 return true;
983 }
984 }
985 } else if (ETH_P_ARP == ether_type) {
986 if (is_tx) {
987 rtlpriv->ra.is_special_data = true;
988 rtl_lps_leave(hw);
989 ppsc->last_delaylps_stamp_jiffies = jiffies;
990 }
991
992 return true;
993 } else if (ETH_P_PAE == ether_type) {
994 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
995 ("802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"));
996
997 if (is_tx) {
998 rtlpriv->ra.is_special_data = true;
999 rtl_lps_leave(hw);
1000 ppsc->last_delaylps_stamp_jiffies = jiffies;
1001 }
1002
1003 return true;
1004 } else if (0x86DD == ether_type) {
1005 return true;
1006 }
1007
1008 end:
1009 rtlpriv->ra.is_special_data = false;
1010 return false;
1011 }
1012
1013 /*********************************************************
1014 *
1015 * functions called by core.c
1016 *
1017 *********************************************************/
1018 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1019 struct ieee80211_sta *sta, u16 tid, u16 *ssn)
1020 {
1021 struct rtl_priv *rtlpriv = rtl_priv(hw);
1022 struct rtl_tid_data *tid_data;
1023 struct rtl_sta_info *sta_entry = NULL;
1024
1025 if (sta == NULL)
1026 return -EINVAL;
1027
1028 if (unlikely(tid >= MAX_TID_COUNT))
1029 return -EINVAL;
1030
1031 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1032 if (!sta_entry)
1033 return -ENXIO;
1034 tid_data = &sta_entry->tids[tid];
1035
1036 RT_TRACE(COMP_SEND, DBG_DMESG,
1037 ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1038 tid_data->seq_number));
1039
1040 *ssn = tid_data->seq_number;
1041 tid_data->agg.agg_state = RTL_AGG_START;
1042
1043 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1044 return 0;
1045 }
1046
1047 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1048 struct ieee80211_sta *sta, u16 tid)
1049 {
1050 struct rtl_priv *rtlpriv = rtl_priv(hw);
1051 struct rtl_tid_data *tid_data;
1052 struct rtl_sta_info *sta_entry = NULL;
1053
1054 if (sta == NULL)
1055 return -EINVAL;
1056
1057 if (!sta->addr) {
1058 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1059 return -EINVAL;
1060 }
1061
1062 RT_TRACE(COMP_SEND, DBG_DMESG,
1063 ("on ra = %pM tid = %d\n", sta->addr, tid));
1064
1065 if (unlikely(tid >= MAX_TID_COUNT))
1066 return -EINVAL;
1067
1068 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1069 tid_data = &sta_entry->tids[tid];
1070 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1071
1072 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1073 return 0;
1074 }
1075
1076 int rtl_rx_agg_start(struct ieee80211_hw *hw,
1077 struct ieee80211_sta *sta, u16 tid)
1078 {
1079 struct rtl_priv *rtlpriv = rtl_priv(hw);
1080 struct rtl_tid_data *tid_data;
1081 struct rtl_sta_info *sta_entry = NULL;
1082
1083 if (sta == NULL)
1084 return -EINVAL;
1085
1086 if (unlikely(tid >= MAX_TID_COUNT))
1087 return -EINVAL;
1088
1089 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1090 if (!sta_entry)
1091 return -ENXIO;
1092 tid_data = &sta_entry->tids[tid];
1093
1094 RT_TRACE(COMP_RECV, DBG_DMESG,
1095 ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1096 tid_data->seq_number));
1097
1098 tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1099 return 0;
1100 }
1101
1102 int rtl_rx_agg_stop(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.rx_agg_state = RTL_RX_AGG_STOP;
1126
1127 return 0;
1128 }
1129 int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1130 struct ieee80211_sta *sta, u16 tid)
1131 {
1132 struct rtl_priv *rtlpriv = rtl_priv(hw);
1133 struct rtl_tid_data *tid_data;
1134 struct rtl_sta_info *sta_entry = NULL;
1135
1136 if (sta == NULL)
1137 return -EINVAL;
1138
1139 if (!sta->addr) {
1140 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1141 return -EINVAL;
1142 }
1143
1144 RT_TRACE(COMP_SEND, DBG_DMESG,
1145 ("on ra = %pM tid = %d\n", sta->addr, tid));
1146
1147 if (unlikely(tid >= MAX_TID_COUNT))
1148 return -EINVAL;
1149
1150 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1151 tid_data = &sta_entry->tids[tid];
1152 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1153
1154 return 0;
1155 }
1156
1157 /*********************************************************
1158 *
1159 * wq & timer callback functions
1160 *
1161 *********************************************************/
1162 /* this function is used for roaming */
1163 void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1164 {
1165 struct rtl_priv *rtlpriv = rtl_priv(hw);
1166 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1167
1168 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1169 return;
1170
1171 if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1172 return;
1173
1174 /* check if this really is a beacon */
1175 if (!ieee80211_is_beacon(hdr->frame_control) &&
1176 !ieee80211_is_probe_resp(hdr->frame_control))
1177 return;
1178
1179 /* min. beacon length + FCS_LEN */
1180 if (skb->len <= 40 + FCS_LEN)
1181 return;
1182
1183 /* and only beacons from the associated BSSID, please */
1184 if (ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1185 return;
1186
1187 rtlpriv->link_info.bcn_rx_inperiod ++;
1188 }
1189
1190 void rtl_watchdog_wq_callback(void *data)
1191 {
1192 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
1193 struct rtl_works,
1194 watchdog_wq);
1195 struct ieee80211_hw *hw = rtlworks->hw;
1196 struct rtl_priv *rtlpriv = rtl_priv(hw);
1197 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1198 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1199 bool b_busytraffic = false;
1200 bool b_tx_busy_traffic = false;
1201 bool b_rx_busy_traffic = false;
1202 bool b_higher_busytraffic = false;
1203 bool b_higher_busyrxtraffic = false;
1204 u8 idx, tid;
1205 u32 rx_cnt_inp4eriod = 0;
1206 u32 tx_cnt_inp4eriod = 0;
1207 u32 aver_rx_cnt_inperiod = 0;
1208 u32 aver_tx_cnt_inperiod = 0;
1209 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
1210 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
1211 bool benter_ps = false;
1212
1213 if (is_hal_stop(rtlhal))
1214 return;
1215
1216 /* <1> Determine if action frame is allowed */
1217 if (mac->link_state > MAC80211_NOLINK) {
1218 if (mac->cnt_after_linked < 20)
1219 mac->cnt_after_linked++;
1220 } else {
1221 mac->cnt_after_linked = 0;
1222 }
1223
1224 /* <2> to check if traffic busy, if
1225 * busytraffic we don't change channel */
1226 if (mac->link_state >= MAC80211_LINKED) {
1227
1228 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
1229 for (idx = 0; idx <= 2; idx++) {
1230 rtlpriv->link_info.num_rx_in4period[idx] =
1231 rtlpriv->link_info.num_rx_in4period[idx + 1];
1232 rtlpriv->link_info.num_tx_in4period[idx] =
1233 rtlpriv->link_info.num_tx_in4period[idx + 1];
1234 }
1235 rtlpriv->link_info.num_rx_in4period[3] =
1236 rtlpriv->link_info.num_rx_inperiod;
1237 rtlpriv->link_info.num_tx_in4period[3] =
1238 rtlpriv->link_info.num_tx_inperiod;
1239 for (idx = 0; idx <= 3; idx++) {
1240 rx_cnt_inp4eriod +=
1241 rtlpriv->link_info.num_rx_in4period[idx];
1242 tx_cnt_inp4eriod +=
1243 rtlpriv->link_info.num_tx_in4period[idx];
1244 }
1245 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
1246 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
1247
1248 /* (2) check traffic busy */
1249 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
1250 b_busytraffic = true;
1251 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
1252 b_rx_busy_traffic = true;
1253 else
1254 b_tx_busy_traffic = false;
1255 }
1256
1257 /* Higher Tx/Rx data. */
1258 if (aver_rx_cnt_inperiod > 4000 ||
1259 aver_tx_cnt_inperiod > 4000) {
1260 b_higher_busytraffic = true;
1261
1262 /* Extremely high Rx data. */
1263 if (aver_rx_cnt_inperiod > 5000)
1264 b_higher_busyrxtraffic = true;
1265 }
1266
1267 /* check every tid's tx traffic */
1268 for (tid = 0; tid <= 7; tid++) {
1269 for (idx = 0; idx <= 2; idx++)
1270 rtlpriv->link_info.tidtx_in4period[tid][idx] =
1271 rtlpriv->link_info.tidtx_in4period[tid]
1272 [idx + 1];
1273 rtlpriv->link_info.tidtx_in4period[tid][3] =
1274 rtlpriv->link_info.tidtx_inperiod[tid];
1275
1276 for (idx = 0; idx <= 3; idx++)
1277 tidtx_inp4eriod[tid] +=
1278 rtlpriv->link_info.tidtx_in4period[tid][idx];
1279 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
1280 if (aver_tidtx_inperiod[tid] > 5000)
1281 rtlpriv->link_info.higher_busytxtraffic[tid] =
1282 true;
1283 else
1284 rtlpriv->link_info.higher_busytxtraffic[tid] =
1285 false;
1286 }
1287
1288 if (((rtlpriv->link_info.num_rx_inperiod +
1289 rtlpriv->link_info.num_tx_inperiod) > 8) ||
1290 (rtlpriv->link_info.num_rx_inperiod > 2))
1291 benter_ps = false;
1292 else
1293 benter_ps = true;
1294
1295 /* LeisurePS only work in infra mode. */
1296 if (benter_ps)
1297 rtl_lps_enter(hw);
1298 else
1299 rtl_lps_leave(hw);
1300 }
1301
1302 rtlpriv->link_info.num_rx_inperiod = 0;
1303 rtlpriv->link_info.num_tx_inperiod = 0;
1304 for (tid = 0; tid <= 7; tid++)
1305 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
1306
1307 rtlpriv->link_info.b_busytraffic = b_busytraffic;
1308 rtlpriv->link_info.b_rx_busy_traffic = b_rx_busy_traffic;
1309 rtlpriv->link_info.b_tx_busy_traffic = b_tx_busy_traffic;
1310 rtlpriv->link_info.b_higher_busytraffic = b_higher_busytraffic;
1311 rtlpriv->link_info.b_higher_busyrxtraffic = b_higher_busyrxtraffic;
1312
1313 /* <3> DM */
1314 rtlpriv->cfg->ops->dm_watchdog(hw);
1315
1316 /* <4> roaming */
1317 if (mac->link_state == MAC80211_LINKED &&
1318 mac->opmode == NL80211_IFTYPE_STATION) {
1319 if ((rtlpriv->link_info.bcn_rx_inperiod +
1320 rtlpriv->link_info.num_rx_inperiod) == 0) {
1321 rtlpriv->link_info.roam_times++;
1322 RT_TRACE(COMP_ERR, DBG_DMESG, ("AP off for %d s\n",
1323 (rtlpriv->link_info.roam_times * 2)));
1324
1325 /* if we can't recv beacon for 10s,
1326 * we should reconnect this AP */
1327 if (rtlpriv->link_info.roam_times >= 5) {
1328 RT_TRACE(COMP_ERR, DBG_EMERG,
1329 ("AP off, try to reconnect now\n"));
1330 rtlpriv->link_info.roam_times = 0;
1331 ieee80211_connection_loss(rtlpriv->mac80211.vif);
1332 }
1333 } else {
1334 rtlpriv->link_info.roam_times = 0;
1335 }
1336 }
1337 rtlpriv->link_info.bcn_rx_inperiod = 0;
1338 }
1339
1340 void rtl_watch_dog_timer_callback(unsigned long data)
1341 {
1342 struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1343 struct rtl_priv *rtlpriv = rtl_priv(hw);
1344
1345 queue_delayed_work(rtlpriv->works.rtl_wq,
1346 &rtlpriv->works.watchdog_wq, 0);
1347
1348 mod_timer(&rtlpriv->works.watchdog_timer,
1349 jiffies + MSECS(RTL_WATCH_DOG_TIME));
1350 }
1351 void rtl_fwevt_wq_callback(void *data)
1352 {
1353 struct rtl_works *rtlworks =
1354 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
1355 struct ieee80211_hw *hw = rtlworks->hw;
1356 struct rtl_priv *rtlpriv = rtl_priv(hw);
1357
1358 rtlpriv->cfg->ops->c2h_command_handle(hw);
1359 }
1360 void rtl_easy_concurrent_retrytimer_callback(unsigned long data)
1361 {
1362 struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1363 struct rtl_priv *rtlpriv = rtl_priv(hw);
1364 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
1365
1366 if(buddy_priv == NULL)
1367 return;
1368
1369 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw);
1370 }
1371 /*********************************************************
1372 *
1373 * frame process functions
1374 *
1375 *********************************************************/
1376 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
1377 {
1378 struct ieee80211_mgmt *mgmt = (void *)data;
1379 u8 *pos, *end;
1380
1381 pos = (u8 *)mgmt->u.beacon.variable;
1382 end = data + len;
1383 while (pos < end) {
1384 if (pos + 2 + pos[1] > end)
1385 return NULL;
1386
1387 if (pos[0] == ie)
1388 return pos;
1389
1390 pos += 2 + pos[1];
1391 }
1392 return NULL;
1393 }
1394
1395 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
1396 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
1397 struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
1398 enum ieee80211_smps_mode smps,
1399 u8 *da, u8 *bssid)
1400 {
1401 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1402 struct sk_buff *skb;
1403 struct ieee80211_mgmt_compat *action_frame;
1404
1405 /* 27 = header + category + action + smps mode */
1406 skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
1407 if (!skb)
1408 return NULL;
1409
1410 skb_reserve(skb, hw->extra_tx_headroom);
1411 action_frame = (void *)skb_put(skb, 27);
1412 memset(action_frame, 0, 27);
1413 memcpy(action_frame->da, da, ETH_ALEN);
1414 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
1415 memcpy(action_frame->bssid, bssid, ETH_ALEN);
1416 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1417 IEEE80211_STYPE_ACTION);
1418 action_frame->u.action.category = WLAN_CATEGORY_HT;
1419 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
1420 switch (smps) {
1421 case IEEE80211_SMPS_AUTOMATIC:/* 0 */
1422 case IEEE80211_SMPS_NUM_MODES:/* 4 */
1423 WARN_ON(1);
1424 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
1425 action_frame->u.action.u.ht_smps.smps_control =
1426 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
1427 break;
1428 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
1429 action_frame->u.action.u.ht_smps.smps_control =
1430 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
1431 break;
1432 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
1433 action_frame->u.action.u.ht_smps.smps_control =
1434 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
1435 break;
1436 }
1437
1438 return skb;
1439 }
1440
1441 int rtl_send_smps_action(struct ieee80211_hw *hw,
1442 struct ieee80211_sta *sta,
1443 enum ieee80211_smps_mode smps)
1444 {
1445 struct rtl_priv *rtlpriv = rtl_priv(hw);
1446 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1447 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1448 struct sk_buff *skb = NULL;
1449 struct rtl_tcb_desc tcb_desc;
1450 u8 bssid[ETH_ALEN] = {0};
1451
1452 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1453
1454 if (rtlpriv->mac80211.act_scanning)
1455 goto err_free;
1456
1457 if (!sta)
1458 goto err_free;
1459
1460 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
1461 goto err_free;
1462
1463 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1464 goto err_free;
1465
1466 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
1467 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
1468 else
1469 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
1470
1471 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
1472 /* this is a type = mgmt * stype = action frame */
1473 if (skb) {
1474 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1475 struct rtl_sta_info *sta_entry =
1476 (struct rtl_sta_info *) sta->drv_priv;
1477 sta_entry->mimo_ps = smps;
1478 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); */
1479
1480 info->control.rates[0].idx = 0;
1481 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
1482 info->band = hw->conf.chandef.chan->band;
1483 #else
1484 info->band = hw->conf.channel->band;
1485 #endif
1486 /*<delete in kernel start>*/
1487 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0))
1488 info->control.sta = sta;
1489 rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
1490 #else
1491 /*<delete in kernel end>*/
1492 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
1493 /*<delete in kernel start>*/
1494 #endif
1495 /*<delete in kernel end>*/
1496 }
1497 return 1;
1498
1499 err_free:
1500 return 0;
1501 }
1502 //EXPORT_SYMBOL(rtl_send_smps_action);
1503
1504 /* because mac80211 have issues when can receive del ba
1505 * so here we just make a fake del_ba if we receive a ba_req
1506 * but rx_agg was opened to let mac80211 release some ba
1507 * related resources, so please this del_ba for tx */
1508 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
1509 u8 *sa, u8 *bssid, u16 tid)
1510 {
1511 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1512 struct sk_buff *skb;
1513 struct ieee80211_mgmt *action_frame;
1514 u16 params;
1515
1516 /* 27 = header + category + action + smps mode */
1517 skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
1518 if (!skb)
1519 return NULL;
1520
1521 skb_reserve(skb, hw->extra_tx_headroom);
1522 action_frame = (void *)skb_put(skb, 34);
1523 memset(action_frame, 0, 34);
1524 memcpy(action_frame->sa, sa, ETH_ALEN);
1525 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
1526 memcpy(action_frame->bssid, bssid, ETH_ALEN);
1527 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1528 IEEE80211_STYPE_ACTION);
1529 action_frame->u.action.category = WLAN_CATEGORY_BACK;
1530 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
1531 params = (u16)(1 << 11); /* bit 11 initiator */
1532 params |= (u16)(tid << 12); /* bit 15:12 TID number */
1533
1534 action_frame->u.action.u.delba.params = cpu_to_le16(params);
1535 action_frame->u.action.u.delba.reason_code =
1536 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
1537
1538 return skb;
1539 }
1540
1541 /*********************************************************
1542 *
1543 * IOT functions
1544 *
1545 *********************************************************/
1546 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
1547 struct octet_string vendor_ie)
1548 {
1549 struct rtl_priv *rtlpriv = rtl_priv(hw);
1550 bool matched = false;
1551 static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
1552 static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
1553 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
1554 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
1555 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
1556 static u8 racap[] = { 0x00, 0x0c, 0x43 };
1557 static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
1558 static u8 marvcap[] = { 0x00, 0x50, 0x43 };
1559
1560 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
1561 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
1562 rtlpriv->mac80211.vendor = PEER_ATH;
1563 matched = true;
1564 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
1565 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
1566 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
1567 rtlpriv->mac80211.vendor = PEER_BROAD;
1568 matched = true;
1569 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
1570 rtlpriv->mac80211.vendor = PEER_RAL;
1571 matched = true;
1572 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
1573 rtlpriv->mac80211.vendor = PEER_CISCO;
1574 matched = true;
1575 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
1576 rtlpriv->mac80211.vendor = PEER_MARV;
1577 matched = true;
1578 }
1579
1580 return matched;
1581 }
1582
1583 bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
1584 unsigned int len)
1585 {
1586 struct ieee80211_mgmt *mgmt = (void *)data;
1587 struct octet_string vendor_ie;
1588 u8 *pos, *end;
1589
1590 pos = (u8 *)mgmt->u.beacon.variable;
1591 end = data + len;
1592 while (pos < end) {
1593 if (pos[0] == 221) {
1594 vendor_ie.length = pos[1];
1595 vendor_ie.octet = &pos[2];
1596 if (rtl_chk_vendor_ouisub(hw, vendor_ie))
1597 return true;
1598 }
1599
1600 if (pos + 2 + pos[1] > end)
1601 return false;
1602
1603 pos += 2 + pos[1];
1604 }
1605 return false;
1606 }
1607
1608 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
1609 {
1610 struct rtl_priv *rtlpriv = rtl_priv(hw);
1611 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1612 struct ieee80211_hdr *hdr = (void *)data;
1613 u32 vendor = PEER_UNKNOWN;
1614
1615 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
1616 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
1617 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
1618 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
1619 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
1620 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
1621 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
1622 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
1623 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
1624 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
1625 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
1626 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
1627 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
1628 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
1629 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
1630 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
1631
1632 if (mac->opmode != NL80211_IFTYPE_STATION)
1633 return;
1634
1635 if (mac->link_state == MAC80211_NOLINK) {
1636 mac->vendor = PEER_UNKNOWN;
1637 return;
1638 }
1639
1640 if (mac->cnt_after_linked > 2)
1641 return;
1642
1643 /* check if this really is a beacon */
1644 if (!ieee80211_is_beacon(hdr->frame_control))
1645 return;
1646
1647 /* min. beacon length + FCS_LEN */
1648 if (len <= 40 + FCS_LEN)
1649 return;
1650
1651 /* and only beacons from the associated BSSID, please */
1652 if (ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1653 return;
1654
1655 if (rtl_find_221_ie(hw, data, len)) {
1656 vendor = mac->vendor;
1657 }
1658
1659 if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
1660 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
1661 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
1662 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
1663 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
1664 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
1665 vendor == PEER_ATH) {
1666 vendor = PEER_ATH;
1667 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>ath find\n"));
1668 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
1669 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
1670 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
1671 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
1672 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
1673 vendor == PEER_RAL) {
1674 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>ral findn\n"));
1675 vendor = PEER_RAL;
1676 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
1677 vendor == PEER_CISCO) {
1678 vendor = PEER_CISCO;
1679 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>cisco find\n"));
1680 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
1681 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
1682 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
1683 vendor == PEER_BROAD) {
1684 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>broad find\n"));
1685 vendor = PEER_BROAD;
1686 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
1687 vendor == PEER_MARV) {
1688 vendor = PEER_MARV;
1689 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>marv find\n"));
1690 }
1691
1692 mac->vendor = vendor;
1693 }
1694
1695 /*********************************************************
1696 *
1697 * sysfs functions
1698 *
1699 *********************************************************/
1700 static ssize_t rtl_show_debug_level(struct device *d,
1701 struct device_attribute *attr, char *buf)
1702 {
1703 struct ieee80211_hw *hw = dev_get_drvdata(d);
1704 struct rtl_priv *rtlpriv = rtl_priv(hw);
1705
1706 return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel);
1707 }
1708
1709 static ssize_t rtl_store_debug_level(struct device *d,
1710 struct device_attribute *attr,
1711 const char *buf, size_t count)
1712 {
1713 struct ieee80211_hw *hw = dev_get_drvdata(d);
1714 struct rtl_priv *rtlpriv = rtl_priv(hw);
1715 unsigned long val;
1716 int ret;
1717
1718 ret = strict_strtoul(buf, 0, &val);
1719 if (ret) {
1720 printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf);
1721 } else {
1722 rtlpriv->dbg.global_debuglevel = val;
1723 printk(KERN_DEBUG "debuglevel:%x\n",
1724 rtlpriv->dbg.global_debuglevel);
1725 }
1726
1727 return strnlen(buf, count);
1728 }
1729
1730 static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO,
1731 rtl_show_debug_level, rtl_store_debug_level);
1732
1733 static struct attribute *rtl_sysfs_entries[] = {
1734
1735 &dev_attr_debug_level.attr,
1736
1737 NULL
1738 };
1739
1740 /*
1741 * "name" is folder name witch will be
1742 * put in device directory like :
1743 * sys/devices/pci0000:00/0000:00:1c.4/
1744 * 0000:06:00.0/rtl_sysfs
1745 */
1746 struct attribute_group rtl_attribute_group = {
1747 .name = "rtlsysfs",
1748 .attrs = rtl_sysfs_entries,
1749 };
1750
1751 #ifdef VIF_TODO
1752 /*********************************************************
1753 *
1754 * vif functions
1755 *
1756 *********************************************************/
1757 static inline struct ieee80211_vif *
1758 rtl_get_vif(struct rtl_vif_info *vif_priv)
1759 {
1760 return container_of((void *)vif_priv, struct ieee80211_vif, drv_priv);
1761 }
1762
1763 /* Protected by ar->mutex or RCU */
1764 struct ieee80211_vif *rtl_get_main_vif(struct ieee80211_hw *hw)
1765 {
1766 struct rtl_priv *rtlpriv = rtl_priv(hw);
1767 struct rtl_vif_info *cvif;
1768
1769 list_for_each_entry_rcu(cvif, &rtlpriv->vif_priv.vif_list, list) {
1770 if (cvif->active)
1771 return rtl_get_vif(cvif);
1772 }
1773
1774 return NULL;
1775 }
1776
1777 static inline bool is_main_vif(struct ieee80211_hw *hw,
1778 struct ieee80211_vif *vif)
1779 {
1780 bool ret;
1781
1782 rcu_read_lock();
1783 ret = (rtl_get_main_vif(hw) == vif);
1784 rcu_read_unlock();
1785 return ret;
1786 }
1787
1788 bool rtl_set_vif_info(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1789 {
1790 struct rtl_vif_info *vif_info = (void *) vif->drv_priv;
1791 struct rtl_priv *rtlpriv = rtl_priv(hw);
1792 int vif_id = -1;
1793
1794 if (rtlpriv->vif_priv.vifs >= MAX_VIRTUAL_MAC) {
1795 RT_TRACE(COMP_ERR, DBG_WARNING,
1796 ("vif number can not bigger than %d, now vifs is:%d\n",
1797 MAX_VIRTUAL_MAC, rtlpriv->vif_priv.vifs));
1798 return false;
1799 }
1800
1801 rcu_read_lock();
1802 vif_id = bitmap_find_free_region(&rtlpriv->vif_priv.vif_bitmap,
1803 MAX_VIRTUAL_MAC, 0);
1804 RT_TRACE(COMP_MAC80211, DBG_DMESG,
1805 ("%s vid_id:%d\n", __func__, vif_id));
1806
1807 if (vif_id < 0) {
1808 rcu_read_unlock();
1809 return false;
1810 }
1811
1812 BUG_ON(rtlpriv->vif_priv.vif[vif_id].id != vif_id);
1813 vif_info->active = true;
1814 vif_info->id = vif_id;
1815 vif_info->enable_beacon = false;
1816 rtlpriv->vif_priv.vifs++;
1817 if (rtlpriv->vif_priv.vifs > 1) {
1818 rtlpriv->psc.b_inactiveps = false;
1819 rtlpriv->psc.b_swctrl_lps = false;
1820 rtlpriv->psc.b_fwctrl_lps = false;
1821 }
1822
1823 list_add_tail_rcu(&vif_info->list, &rtlpriv->vif_priv.vif_list);
1824 rcu_assign_pointer(rtlpriv->vif_priv.vif[vif_id].vif, vif);
1825
1826 RT_TRACE(COMP_MAC80211, DBG_DMESG, ("vifaddress:%p %p %p\n",
1827 rtlpriv->vif_priv.vif[vif_id].vif, vif, rtl_get_main_vif(hw)));
1828
1829 rcu_read_unlock();
1830
1831 return true;
1832 }
1833 #endif
1834
1835
1836 #if 0
1837 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
1838 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
1839 MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
1840 MODULE_LICENSE("GPL");
1841 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
1842 #endif
1843 struct rtl_global_var global_var = {};
1844
1845 int rtl_core_module_init(void)
1846 {
1847 if (rtl_rate_control_register())
1848 printk(KERN_DEBUG "rtl: Unable to register rtl_rc,"
1849 "use default RC !!\n");
1850
1851 /* add proc for debug */
1852 rtl_proc_add_topdir();
1853
1854 /* init some global vars */
1855 INIT_LIST_HEAD(&global_var.glb_priv_list);
1856 spin_lock_init(&global_var.glb_list_lock);
1857
1858 return 0;
1859 }
1860
1861 void rtl_core_module_exit(void)
1862 {
1863 /*RC*/
1864 rtl_rate_control_unregister();
1865
1866 /* add proc for debug */
1867 rtl_proc_remove_topdir();
1868 }
1869
1870 #if 0
1871 module_init(rtl_core_module_init);
1872 module_exit(rtl_core_module_exit);
1873 #endif
Linux with added FPC-III support