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PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use
[deliverable/linux.git] / drivers / net / wireless / rtlwifi / base.c
CommitLineData
0c817338
LF		 1/******************************************************************************
2 *
a8d76066 3 * Copyright(c) 2009-2012 Realtek Corporation.
0c817338
LF		 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
0c817338
LF		 30#include "wifi.h"
31#include "rc.h"
32#include "base.h"
33#include "efuse.h"
34#include "cam.h"
35#include "ps.h"
36#include "regd.h"
37
d273bb20
LF		 38#include <linux/ip.h>
39#include <linux/module.h>
0c5d63f0 40#include <linux/udp.h>
d273bb20 41
0c817338 42/*
e1fa7460
TP		 43 *NOTICE!!!: This file will be very big, we should
44 *keep it clear under following roles:
0c817338 45 *
e1fa7460 46 *This file include following parts, so, if you add new
0c817338
LF		 47 *functions into this file, please check which part it
48 *should includes. or check if you should add new part
49 *for this file:
50 *
51 *1) mac80211 init functions
52 *2) tx information functions
53 *3) functions called by core.c
54 *4) wq & timer callback functions
55 *5) frame process functions
acd48572
C		 56 *6) IOT functions
57 *7) sysfs functions
26634c4b
LF		 58 *8) vif functions
59 *9) ...
0c817338
LF		 60 */
61
62/*********************************************************
63 *
64 * mac80211 init functions
65 *
66 *********************************************************/
acd48572 67static struct ieee80211_channel rtl_channeltable_2g[] = {
0c817338
LF		 68 {.center_freq = 2412, .hw_value = 1,},
69 {.center_freq = 2417, .hw_value = 2,},
70 {.center_freq = 2422, .hw_value = 3,},
71 {.center_freq = 2427, .hw_value = 4,},
72 {.center_freq = 2432, .hw_value = 5,},
73 {.center_freq = 2437, .hw_value = 6,},
74 {.center_freq = 2442, .hw_value = 7,},
75 {.center_freq = 2447, .hw_value = 8,},
76 {.center_freq = 2452, .hw_value = 9,},
77 {.center_freq = 2457, .hw_value = 10,},
78 {.center_freq = 2462, .hw_value = 11,},
79 {.center_freq = 2467, .hw_value = 12,},
80 {.center_freq = 2472, .hw_value = 13,},
81 {.center_freq = 2484, .hw_value = 14,},
82};
83
acd48572
C		 84static struct ieee80211_channel rtl_channeltable_5g[] = {
85 {.center_freq = 5180, .hw_value = 36,},
86 {.center_freq = 5200, .hw_value = 40,},
87 {.center_freq = 5220, .hw_value = 44,},
88 {.center_freq = 5240, .hw_value = 48,},
89 {.center_freq = 5260, .hw_value = 52,},
90 {.center_freq = 5280, .hw_value = 56,},
91 {.center_freq = 5300, .hw_value = 60,},
92 {.center_freq = 5320, .hw_value = 64,},
93 {.center_freq = 5500, .hw_value = 100,},
94 {.center_freq = 5520, .hw_value = 104,},
95 {.center_freq = 5540, .hw_value = 108,},
96 {.center_freq = 5560, .hw_value = 112,},
97 {.center_freq = 5580, .hw_value = 116,},
98 {.center_freq = 5600, .hw_value = 120,},
99 {.center_freq = 5620, .hw_value = 124,},
100 {.center_freq = 5640, .hw_value = 128,},
101 {.center_freq = 5660, .hw_value = 132,},
102 {.center_freq = 5680, .hw_value = 136,},
103 {.center_freq = 5700, .hw_value = 140,},
104 {.center_freq = 5745, .hw_value = 149,},
105 {.center_freq = 5765, .hw_value = 153,},
106 {.center_freq = 5785, .hw_value = 157,},
107 {.center_freq = 5805, .hw_value = 161,},
108 {.center_freq = 5825, .hw_value = 165,},
109};
110
111static struct ieee80211_rate rtl_ratetable_2g[] = {
0c817338
LF		 112 {.bitrate = 10, .hw_value = 0x00,},
113 {.bitrate = 20, .hw_value = 0x01,},
114 {.bitrate = 55, .hw_value = 0x02,},
115 {.bitrate = 110, .hw_value = 0x03,},
116 {.bitrate = 60, .hw_value = 0x04,},
117 {.bitrate = 90, .hw_value = 0x05,},
118 {.bitrate = 120, .hw_value = 0x06,},
119 {.bitrate = 180, .hw_value = 0x07,},
120 {.bitrate = 240, .hw_value = 0x08,},
121 {.bitrate = 360, .hw_value = 0x09,},
122 {.bitrate = 480, .hw_value = 0x0a,},
123 {.bitrate = 540, .hw_value = 0x0b,},
124};
125
acd48572
C		 126static struct ieee80211_rate rtl_ratetable_5g[] = {
127 {.bitrate = 60, .hw_value = 0x04,},
128 {.bitrate = 90, .hw_value = 0x05,},
129 {.bitrate = 120, .hw_value = 0x06,},
130 {.bitrate = 180, .hw_value = 0x07,},
131 {.bitrate = 240, .hw_value = 0x08,},
132 {.bitrate = 360, .hw_value = 0x09,},
133 {.bitrate = 480, .hw_value = 0x0a,},
134 {.bitrate = 540, .hw_value = 0x0b,},
135};
136
0c817338
LF		 137static const struct ieee80211_supported_band rtl_band_2ghz = {
138 .band = IEEE80211_BAND_2GHZ,
139
acd48572
C		 140 .channels = rtl_channeltable_2g,
141 .n_channels = ARRAY_SIZE(rtl_channeltable_2g),
0c817338 142
acd48572
C		 143 .bitrates = rtl_ratetable_2g,
144 .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g),
0c817338
LF		 145
146 .ht_cap = {0},
147};
148
acd48572
C		 149static struct ieee80211_supported_band rtl_band_5ghz = {
150 .band = IEEE80211_BAND_5GHZ,
151
152 .channels = rtl_channeltable_5g,
153 .n_channels = ARRAY_SIZE(rtl_channeltable_5g),
0c817338 154
acd48572
C		 155 .bitrates = rtl_ratetable_5g,
156 .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g),
0c817338
LF		 157
158 .ht_cap = {0},
159};
160
acd48572
C		 161static const u8 tid_to_ac[] = {
162 2, /* IEEE80211_AC_BE */
163 3, /* IEEE80211_AC_BK */
164 3, /* IEEE80211_AC_BK */
165 2, /* IEEE80211_AC_BE */
166 1, /* IEEE80211_AC_VI */
167 1, /* IEEE80211_AC_VI */
168 0, /* IEEE80211_AC_VO */
169 0, /* IEEE80211_AC_VO */
170};
171
2a00def4 172u8 rtl_tid_to_ac(u8 tid)
acd48572
C		 173{
174 return tid_to_ac[tid];
175}
6f334c2b 176EXPORT_SYMBOL_GPL(rtl_tid_to_ac);
acd48572 177
0c817338
LF		 178static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
179 struct ieee80211_sta_ht_cap *ht_cap)
180{
181 struct rtl_priv *rtlpriv = rtl_priv(hw);
182 struct rtl_phy *rtlphy = &(rtlpriv->phy);
183
184 ht_cap->ht_supported = true;
185 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
186 IEEE80211_HT_CAP_SGI_40 |
187 IEEE80211_HT_CAP_SGI_20 |
188 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
189
acd48572
C		 190 if (rtlpriv->rtlhal.disable_amsdu_8k)
191 ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
192
0c817338
LF		 193 /*
194 *Maximum length of AMPDU that the STA can receive.
195 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
196 */
197 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
198
199 /*Minimum MPDU start spacing , */
200 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
201
202 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
203
26634c4b 204 /*hw->wiphy->bands[IEEE80211_BAND_2GHZ]
0c817338
LF		 205 *base on ant_num
206 *rx_mask: RX mask
26634c4b
LF		 207 *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
208 *if rx_ant = 2 rx_mask[1]= 0xff;==>MCS8-MCS15
209 *if rx_ant >= 3 rx_mask[2]= 0xff;
210 *if BW_40 rx_mask[4]= 0x01;
0c817338
LF		 211 *highest supported RX rate
212 */
26634c4b 213 if (rtlpriv->dm.supp_phymode_switch) {
0c817338 214
26634c4b
LF		 215 RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG,
216 "Support phy mode switch\n");
0c817338
LF		 217
218 ht_cap->mcs.rx_mask[0] = 0xFF;
219 ht_cap->mcs.rx_mask[1] = 0xFF;
220 ht_cap->mcs.rx_mask[4] = 0x01;
221
17c9ac62 222 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
26634c4b
LF		 223 } else {
224 if (get_rf_type(rtlphy) == RF_1T2R ||
225 get_rf_type(rtlphy) == RF_2T2R) {
226 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
227 "1T2R or 2T2R\n");
228 ht_cap->mcs.rx_mask[0] = 0xFF;
229 ht_cap->mcs.rx_mask[1] = 0xFF;
230 ht_cap->mcs.rx_mask[4] = 0x01;
231
232 ht_cap->mcs.rx_highest =
233 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
234 } else if (get_rf_type(rtlphy) == RF_1T1R) {
235 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n");
236
237 ht_cap->mcs.rx_mask[0] = 0xFF;
238 ht_cap->mcs.rx_mask[1] = 0x00;
239 ht_cap->mcs.rx_mask[4] = 0x01;
240
241 ht_cap->mcs.rx_highest =
242 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
243 }
0c817338
LF		 244 }
245}
246
247static void _rtl_init_mac80211(struct ieee80211_hw *hw)
248{
acd48572
C		 249 struct rtl_priv *rtlpriv = rtl_priv(hw);
250 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
0c817338
LF		 251 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
252 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
253 struct ieee80211_supported_band *sband;
254
0c817338 255
acd48572
C		 256 if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY && rtlhal->bandset ==
257 BAND_ON_BOTH) {
258 /* 1: 2.4 G bands */
259 /* <1> use mac->bands as mem for hw->wiphy->bands */
260 sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]);
0c817338 261
acd48572
C		 262 /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
263 * to default value(1T1R) */
264 memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), &rtl_band_2ghz,
265 sizeof(struct ieee80211_supported_band));
0c817338 266
acd48572
C		 267 /* <3> init ht cap base on ant_num */
268 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
0c817338 269
acd48572
C		 270 /* <4> set mac->sband to wiphy->sband */
271 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
0c817338 272
acd48572
C		 273 /* 2: 5 G bands */
274 /* <1> use mac->bands as mem for hw->wiphy->bands */
275 sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
276
277 /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
278 * to default value(1T1R) */
279 memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), &rtl_band_5ghz,
280 sizeof(struct ieee80211_supported_band));
281
282 /* <3> init ht cap base on ant_num */
283 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
284
285 /* <4> set mac->sband to wiphy->sband */
286 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
287 } else {
288 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
289 /* <1> use mac->bands as mem for hw->wiphy->bands */
290 sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]);
291
292 /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
293 * to default value(1T1R) */
294 memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]),
295 &rtl_band_2ghz,
296 sizeof(struct ieee80211_supported_band));
297
298 /* <3> init ht cap base on ant_num */
299 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
300
301 /* <4> set mac->sband to wiphy->sband */
302 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
303 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
304 /* <1> use mac->bands as mem for hw->wiphy->bands */
305 sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
306
307 /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
308 * to default value(1T1R) */
309 memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]),
310 &rtl_band_5ghz,
311 sizeof(struct ieee80211_supported_band));
312
313 /* <3> init ht cap base on ant_num */
314 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
315
316 /* <4> set mac->sband to wiphy->sband */
317 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
318 } else {
f30d7507
JP		 319 RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, "Err BAND %d\n",
320 rtlhal->current_bandtype);
acd48572
C		 321 }
322 }
0c817338
LF		 323 /* <5> set hw caps */
324 hw->flags = IEEE80211_HW_SIGNAL_DBM |
325 IEEE80211_HW_RX_INCLUDES_FCS |
acd48572 326 IEEE80211_HW_AMPDU_AGGREGATION |
09e92f0b
CL		 327 IEEE80211_HW_CONNECTION_MONITOR |
328 /* IEEE80211_HW_SUPPORTS_CQM_RSSI | */
26634c4b
LF		 329 IEEE80211_HW_CONNECTION_MONITOR |
330 IEEE80211_HW_MFP_CAPABLE |
0c817338
LF		 331 IEEE80211_HW_REPORTS_TX_ACK_STATUS | 0;
332
acd48572
C		 333 /* swlps or hwlps has been set in diff chip in init_sw_vars */
334 if (rtlpriv->psc.swctrl_lps)
335 hw->flags |= IEEE80211_HW_SUPPORTS_PS |
336 IEEE80211_HW_PS_NULLFUNC_STACK |
337 /* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */
338 0;
339
0c817338 340 hw->wiphy->interface_modes =
acd48572
C		 341 BIT(NL80211_IFTYPE_AP) |
342 BIT(NL80211_IFTYPE_STATION) |
26634c4b
LF		 343 BIT(NL80211_IFTYPE_ADHOC) |
344 BIT(NL80211_IFTYPE_MESH_POINT) |
345 BIT(NL80211_IFTYPE_P2P_CLIENT) |
346 BIT(NL80211_IFTYPE_P2P_GO);
0c817338 347
26634c4b 348 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
0c817338
LF		 349 hw->wiphy->rts_threshold = 2347;
350
351 hw->queues = AC_MAX;
352 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
353
354 /* TODO: Correct this value for our hw */
355 /* TODO: define these hard code value */
acd48572 356 hw->max_listen_interval = 10;
0c817338
LF		 357 hw->max_rate_tries = 4;
358 /* hw->max_rates = 1; */
acd48572 359 hw->sta_data_size = sizeof(struct rtl_sta_info);
0c817338
LF		 360
361 /* <6> mac address */
362 if (is_valid_ether_addr(rtlefuse->dev_addr)) {
363 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
364 } else {
abfabc9b
LF		 365 u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
366 get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1);
367 SET_IEEE80211_PERM_ADDR(hw, rtlmac1);
0c817338
LF		 368 }
369
370}
371
372static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
373{
374 struct rtl_priv *rtlpriv = rtl_priv(hw);
375
376 /* <1> timer */
0c817338
LF		 377 setup_timer(&rtlpriv->works.watchdog_timer,
378 rtl_watch_dog_timer_callback, (unsigned long)hw);
26634c4b
LF		 379 setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
380 rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw);
0c817338
LF		 381
382 /* <2> work queue */
383 rtlpriv->works.hw = hw;
d8537548 384 rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name);
0c817338
LF		 385 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
386 (void *)rtl_watchdog_wq_callback);
387 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
388 (void *)rtl_ips_nic_off_wq_callback);
acd48572
C		 389 INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
390 (void *)rtl_swlps_wq_callback);
391 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
392 (void *)rtl_swlps_rfon_wq_callback);
26634c4b
LF		 393 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq,
394 (void *)rtl_fwevt_wq_callback);
0c817338
LF		 395
396}
397
398void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
399{
400 struct rtl_priv *rtlpriv = rtl_priv(hw);
401
402 del_timer_sync(&rtlpriv->works.watchdog_timer);
403
404 cancel_delayed_work(&rtlpriv->works.watchdog_wq);
405 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
acd48572
C		 406 cancel_delayed_work(&rtlpriv->works.ps_work);
407 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
26634c4b 408 cancel_delayed_work(&rtlpriv->works.fwevt_wq);
0c817338 409}
6f334c2b 410EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work);
0c817338
LF		 411
412void rtl_init_rfkill(struct ieee80211_hw *hw)
413{
414 struct rtl_priv *rtlpriv = rtl_priv(hw);
415
416 bool radio_state;
417 bool blocked;
418 u8 valid = 0;
419
228bdfca 420 /*set init state to on */
3db1cd5c 421 rtlpriv->rfkill.rfkill_state = true;
228bdfca 422 wiphy_rfkill_set_hw_state(hw->wiphy, 0);
0c817338 423
228bdfca 424 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
0c817338 425
e6d8a817 426 if (valid) {
292b1192
JP		 427 pr_info("wireless switch is %s\n",
428 rtlpriv->rfkill.rfkill_state ? "on" : "off");
228bdfca 429
0c817338
LF		 430 rtlpriv->rfkill.rfkill_state = radio_state;
431
432 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
433 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
434 }
435
436 wiphy_rfkill_start_polling(hw->wiphy);
437}
b0302aba 438EXPORT_SYMBOL(rtl_init_rfkill);
0c817338
LF		 439
440void rtl_deinit_rfkill(struct ieee80211_hw *hw)
441{
442 wiphy_rfkill_stop_polling(hw->wiphy);
443}
6f334c2b 444EXPORT_SYMBOL_GPL(rtl_deinit_rfkill);
0c817338
LF		 445
446int rtl_init_core(struct ieee80211_hw *hw)
447{
448 struct rtl_priv *rtlpriv = rtl_priv(hw);
449 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
450
451 /* <1> init mac80211 */
452 _rtl_init_mac80211(hw);
453 rtlmac->hw = hw;
454
455 /* <2> rate control register */
375ff4c7 456 hw->rate_control_algorithm = "rtl_rc";
0c817338
LF		 457
458 /*
459 * <3> init CRDA must come after init
460 * mac80211 hw in _rtl_init_mac80211.
461 */
462 if (rtl_regd_init(hw, rtl_reg_notifier)) {
f30d7507 463 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "REGD init failed\n");
0c817338 464 return 1;
0c817338
LF		 465 }
466
467 /* <4> locks */
8a09d6d8 468 mutex_init(&rtlpriv->locks.conf_mutex);
6539306b 469 mutex_init(&rtlpriv->locks.ps_mutex);
b9116b9a 470 spin_lock_init(&rtlpriv->locks.ips_lock);
0c817338 471 spin_lock_init(&rtlpriv->locks.irq_th_lock);
26634c4b
LF		 472 spin_lock_init(&rtlpriv->locks.irq_pci_lock);
473 spin_lock_init(&rtlpriv->locks.tx_lock);
0c817338
LF		 474 spin_lock_init(&rtlpriv->locks.h2c_lock);
475 spin_lock_init(&rtlpriv->locks.rf_ps_lock);
476 spin_lock_init(&rtlpriv->locks.rf_lock);
acd48572 477 spin_lock_init(&rtlpriv->locks.waitq_lock);
26634c4b 478 spin_lock_init(&rtlpriv->locks.entry_list_lock);
e6deaf81 479 spin_lock_init(&rtlpriv->locks.fw_ps_lock);
acd48572 480 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
26634c4b
LF		 481 spin_lock_init(&rtlpriv->locks.check_sendpkt_lock);
482 spin_lock_init(&rtlpriv->locks.fw_ps_lock);
483 spin_lock_init(&rtlpriv->locks.lps_lock);
484
485 /* <5> init list */
486 INIT_LIST_HEAD(&rtlpriv->entry_list);
0c817338
LF		 487
488 rtlmac->link_state = MAC80211_NOLINK;
489
26634c4b 490 /* <6> init deferred work */
0c817338
LF		 491 _rtl_init_deferred_work(hw);
492
493 return 0;
494}
6f334c2b 495EXPORT_SYMBOL_GPL(rtl_init_core);
0c817338
LF		 496
497void rtl_deinit_core(struct ieee80211_hw *hw)
498{
0c817338 499}
6f334c2b 500EXPORT_SYMBOL_GPL(rtl_deinit_core);
0c817338
LF		 501
502void rtl_init_rx_config(struct ieee80211_hw *hw)
503{
504 struct rtl_priv *rtlpriv = rtl_priv(hw);
505 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
506
507 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
0c817338 508}
6f334c2b 509EXPORT_SYMBOL_GPL(rtl_init_rx_config);
0c817338
LF		 510
511/*********************************************************
512 *
513 * tx information functions
514 *
515 *********************************************************/
516static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
517 struct rtl_tcb_desc *tcb_desc,
518 struct ieee80211_tx_info *info)
519{
520 struct rtl_priv *rtlpriv = rtl_priv(hw);
521 u8 rate_flag = info->control.rates[0].flags;
522
523 tcb_desc->use_shortpreamble = false;
524
525 /* 1M can only use Long Preamble. 11B spec */
526 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
527 return;
528 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
529 tcb_desc->use_shortpreamble = true;
530
531 return;
532}
533
534static void _rtl_query_shortgi(struct ieee80211_hw *hw,
acd48572 535 struct ieee80211_sta *sta,
0c817338
LF		 536 struct rtl_tcb_desc *tcb_desc,
537 struct ieee80211_tx_info *info)
538{
539 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
540 u8 rate_flag = info->control.rates[0].flags;
acd48572 541 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
0c817338
LF		 542 tcb_desc->use_shortgi = false;
543
acd48572 544 if (sta == NULL)
0c817338
LF		 545 return;
546
acd48572
C		 547 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
548 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
549
550 if (!(sta->ht_cap.ht_supported))
0c817338
LF		 551 return;
552
acd48572 553 if (!sgi_40 && !sgi_20)
0c817338
LF		 554 return;
555
acd48572
C		 556 if (mac->opmode == NL80211_IFTYPE_STATION)
557 bw_40 = mac->bw_40;
558 else if (mac->opmode == NL80211_IFTYPE_AP ||
26634c4b
LF		 559 mac->opmode == NL80211_IFTYPE_ADHOC ||
560 mac->opmode == NL80211_IFTYPE_MESH_POINT)
e1a0c6b3 561 bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
acd48572 562
e10542c4 563 if (bw_40 && sgi_40)
0c817338 564 tcb_desc->use_shortgi = true;
acd48572 565 else if ((bw_40 == false) && sgi_20)
0c817338
LF		 566 tcb_desc->use_shortgi = true;
567
568 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
569 tcb_desc->use_shortgi = false;
0c817338
LF		 570}
571
572static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
573 struct rtl_tcb_desc *tcb_desc,
574 struct ieee80211_tx_info *info)
575{
576 struct rtl_priv *rtlpriv = rtl_priv(hw);
577 u8 rate_flag = info->control.rates[0].flags;
578
579 /* Common Settings */
7ea47240
LF		 580 tcb_desc->rts_stbc = false;
581 tcb_desc->cts_enable = false;
0c817338 582 tcb_desc->rts_sc = 0;
7ea47240
LF		 583 tcb_desc->rts_bw = false;
584 tcb_desc->rts_use_shortpreamble = false;
585 tcb_desc->rts_use_shortgi = false;
0c817338
LF		 586
587 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
588 /* Use CTS-to-SELF in protection mode. */
7ea47240
LF		 589 tcb_desc->rts_enable = true;
590 tcb_desc->cts_enable = true;
0c817338
LF		 591 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
592 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
593 /* Use RTS-CTS in protection mode. */
7ea47240 594 tcb_desc->rts_enable = true;
0c817338
LF		 595 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
596 }
0c817338
LF		 597}
598
599static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
acd48572 600 struct ieee80211_sta *sta,
0c817338
LF		 601 struct rtl_tcb_desc *tcb_desc)
602{
603 struct rtl_priv *rtlpriv = rtl_priv(hw);
604 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
acd48572
C		 605 struct rtl_sta_info *sta_entry = NULL;
606 u8 ratr_index = 7;
0c817338 607
acd48572
C		 608 if (sta) {
609 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
610 ratr_index = sta_entry->ratr_index;
611 }
0c817338 612 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
acd48572 613 if (mac->opmode == NL80211_IFTYPE_STATION) {
0c817338 614 tcb_desc->ratr_index = 0;
26634c4b
LF		 615 } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
616 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
7ea47240 617 if (tcb_desc->multicast || tcb_desc->broadcast) {
0c817338
LF		 618 tcb_desc->hw_rate =
619 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
620 tcb_desc->use_driver_rate = 1;
26634c4b 621 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
0c817338 622 } else {
26634c4b 623 tcb_desc->ratr_index = ratr_index;
0c817338 624 }
acd48572
C		 625 } else if (mac->opmode == NL80211_IFTYPE_AP) {
626 tcb_desc->ratr_index = ratr_index;
0c817338
LF		 627 }
628 }
629
7ea47240 630 if (rtlpriv->dm.useramask) {
26634c4b
LF		 631 tcb_desc->ratr_index = ratr_index;
632 /* TODO we will differentiate adhoc and station future */
633 if (mac->opmode == NL80211_IFTYPE_STATION ||
634 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
acd48572
C		 635 tcb_desc->mac_id = 0;
636
637 if (mac->mode == WIRELESS_MODE_N_24G)
638 tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB;
639 else if (mac->mode == WIRELESS_MODE_N_5G)
640 tcb_desc->ratr_index = RATR_INX_WIRELESS_NG;
641 else if (mac->mode & WIRELESS_MODE_G)
642 tcb_desc->ratr_index = RATR_INX_WIRELESS_GB;
643 else if (mac->mode & WIRELESS_MODE_B)
644 tcb_desc->ratr_index = RATR_INX_WIRELESS_B;
645 else if (mac->mode & WIRELESS_MODE_A)
646 tcb_desc->ratr_index = RATR_INX_WIRELESS_G;
647 } else if (mac->opmode == NL80211_IFTYPE_AP ||
26634c4b 648 mac->opmode == NL80211_IFTYPE_ADHOC) {
acd48572
C		 649 if (NULL != sta) {
650 if (sta->aid > 0)
651 tcb_desc->mac_id = sta->aid + 1;
652 else
653 tcb_desc->mac_id = 1;
654 } else {
655 tcb_desc->mac_id = 0;
656 }
0c817338
LF		 657 }
658 }
0c817338
LF		 659}
660
661static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
acd48572 662 struct ieee80211_sta *sta,
0c817338
LF		 663 struct rtl_tcb_desc *tcb_desc)
664{
665 struct rtl_priv *rtlpriv = rtl_priv(hw);
666 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
667
7ea47240 668 tcb_desc->packet_bw = false;
acd48572 669 if (!sta)
0c817338 670 return;
acd48572 671 if (mac->opmode == NL80211_IFTYPE_AP ||
26634c4b
LF		 672 mac->opmode == NL80211_IFTYPE_ADHOC ||
673 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
e1a0c6b3 674 if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
acd48572
C		 675 return;
676 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
677 if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
678 return;
679 }
7ea47240 680 if (tcb_desc->multicast || tcb_desc->broadcast)
0c817338
LF		 681 return;
682
683 /*use legency rate, shall use 20MHz */
684 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
685 return;
686
7ea47240 687 tcb_desc->packet_bw = true;
0c817338
LF		 688}
689
690static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw)
691{
692 struct rtl_priv *rtlpriv = rtl_priv(hw);
693 struct rtl_phy *rtlphy = &(rtlpriv->phy);
694 u8 hw_rate;
695
696 if (get_rf_type(rtlphy) == RF_2T2R)
697 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
698 else
699 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
700
701 return hw_rate;
702}
703
7ad0ce35
LF		 704/* mac80211's rate_idx is like this:
705 *
706 * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ
707 *
708 * B/G rate:
709 * (rx_status->flag & RX_FLAG_HT) = 0,
710 * DESC92_RATE1M-->DESC92_RATE54M ==> idx is 0-->11,
711 *
712 * N rate:
713 * (rx_status->flag & RX_FLAG_HT) = 1,
714 * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15
715 *
716 * 5G band:rx_status->band == IEEE80211_BAND_5GHZ
717 * A rate:
718 * (rx_status->flag & RX_FLAG_HT) = 0,
719 * DESC92_RATE6M-->DESC92_RATE54M ==> idx is 0-->7,
720 *
721 * N rate:
722 * (rx_status->flag & RX_FLAG_HT) = 1,
723 * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15
724 */
725int rtlwifi_rate_mapping(struct ieee80211_hw *hw,
726 bool isht, u8 desc_rate, bool first_ampdu)
727{
728 int rate_idx;
729
730 if (false == isht) {
675a0b04 731 if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
7ad0ce35
LF		 732 switch (desc_rate) {
733 case DESC92_RATE1M:
734 rate_idx = 0;
735 break;
736 case DESC92_RATE2M:
737 rate_idx = 1;
738 break;
739 case DESC92_RATE5_5M:
740 rate_idx = 2;
741 break;
742 case DESC92_RATE11M:
743 rate_idx = 3;
744 break;
745 case DESC92_RATE6M:
746 rate_idx = 4;
747 break;
748 case DESC92_RATE9M:
749 rate_idx = 5;
750 break;
751 case DESC92_RATE12M:
752 rate_idx = 6;
753 break;
754 case DESC92_RATE18M:
755 rate_idx = 7;
756 break;
757 case DESC92_RATE24M:
758 rate_idx = 8;
759 break;
760 case DESC92_RATE36M:
761 rate_idx = 9;
762 break;
763 case DESC92_RATE48M:
764 rate_idx = 10;
765 break;
766 case DESC92_RATE54M:
767 rate_idx = 11;
768 break;
769 default:
770 rate_idx = 0;
771 break;
772 }
773 } else {
774 switch (desc_rate) {
775 case DESC92_RATE6M:
776 rate_idx = 0;
777 break;
778 case DESC92_RATE9M:
779 rate_idx = 1;
780 break;
781 case DESC92_RATE12M:
782 rate_idx = 2;
783 break;
784 case DESC92_RATE18M:
785 rate_idx = 3;
786 break;
787 case DESC92_RATE24M:
788 rate_idx = 4;
789 break;
790 case DESC92_RATE36M:
791 rate_idx = 5;
792 break;
793 case DESC92_RATE48M:
794 rate_idx = 6;
795 break;
796 case DESC92_RATE54M:
797 rate_idx = 7;
798 break;
799 default:
800 rate_idx = 0;
801 break;
802 }
803 }
804
805 } else {
806
807 switch (desc_rate) {
808 case DESC92_RATEMCS0:
809 rate_idx = 0;
810 break;
811 case DESC92_RATEMCS1:
812 rate_idx = 1;
813 break;
814 case DESC92_RATEMCS2:
815 rate_idx = 2;
816 break;
817 case DESC92_RATEMCS3:
818 rate_idx = 3;
819 break;
820 case DESC92_RATEMCS4:
821 rate_idx = 4;
822 break;
823 case DESC92_RATEMCS5:
824 rate_idx = 5;
825 break;
826 case DESC92_RATEMCS6:
827 rate_idx = 6;
828 break;
829 case DESC92_RATEMCS7:
830 rate_idx = 7;
831 break;
832 case DESC92_RATEMCS8:
833 rate_idx = 8;
834 break;
835 case DESC92_RATEMCS9:
836 rate_idx = 9;
837 break;
838 case DESC92_RATEMCS10:
839 rate_idx = 10;
840 break;
841 case DESC92_RATEMCS11:
842 rate_idx = 11;
843 break;
844 case DESC92_RATEMCS12:
845 rate_idx = 12;
846 break;
847 case DESC92_RATEMCS13:
848 rate_idx = 13;
849 break;
850 case DESC92_RATEMCS14:
851 rate_idx = 14;
852 break;
853 case DESC92_RATEMCS15:
854 rate_idx = 15;
855 break;
856 default:
857 rate_idx = 0;
858 break;
859 }
860 }
861 return rate_idx;
862}
863EXPORT_SYMBOL(rtlwifi_rate_mapping);
864
0f015453
LF		 865bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
866{
867 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
868 struct rtl_priv *rtlpriv = rtl_priv(hw);
869 __le16 fc = rtl_get_fc(skb);
870
871 if (rtlpriv->dm.supp_phymode_switch &&
872 mac->link_state < MAC80211_LINKED &&
873 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
26634c4b
LF		 874 if (rtlpriv->cfg->ops->chk_switch_dmdp)
875 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
0f015453
LF		 876 }
877 if (ieee80211_is_auth(fc)) {
878 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n");
879 rtl_ips_nic_on(hw);
880
881 mac->link_state = MAC80211_LINKING;
882 /* Dual mac */
883 rtlpriv->phy.need_iqk = true;
884 }
885
886 return true;
887}
6f334c2b 888EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc);
0f015453 889
0c817338
LF		 890void rtl_get_tcb_desc(struct ieee80211_hw *hw,
891 struct ieee80211_tx_info *info,
acd48572 892 struct ieee80211_sta *sta,
0c817338
LF		 893 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
894{
895 struct rtl_priv *rtlpriv = rtl_priv(hw);
896 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
acd48572 897 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
0c817338 898 struct ieee80211_rate *txrate;
17c9ac62 899 __le16 fc = hdr->frame_control;
0c817338 900
acd48572 901 txrate = ieee80211_get_tx_rate(hw, info);
e89f7690
LF		 902 if (txrate)
903 tcb_desc->hw_rate = txrate->hw_value;
904 else
905 tcb_desc->hw_rate = 0;
0c817338
LF		 906
907 if (ieee80211_is_data(fc)) {
0c817338 908 /*
acd48572 909 *we set data rate INX 0
0c817338
LF		 910 *in rtl_rc.c if skb is special data or
911 *mgt which need low data rate.
912 */
913
914 /*
915 *So tcb_desc->hw_rate is just used for
916 *special data and mgt frames
917 */
09e92f0b 918 if (info->control.rates[0].idx == 0 ||
acd48572 919 ieee80211_is_nullfunc(fc)) {
0c817338 920 tcb_desc->use_driver_rate = true;
acd48572 921 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
0c817338 922
0c817338
LF		 923 tcb_desc->disable_ratefallback = 1;
924 } else {
925 /*
926 *because hw will nerver use hw_rate
927 *when tcb_desc->use_driver_rate = false
928 *so we never set highest N rate here,
25985edc 929 *and N rate will all be controlled by FW
0c817338
LF		 930 *when tcb_desc->use_driver_rate = false
931 */
acd48572 932 if (sta && (sta->ht_cap.ht_supported)) {
0c817338
LF		 933 tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw);
934 } else {
935 if (rtlmac->mode == WIRELESS_MODE_B) {
936 tcb_desc->hw_rate =
937 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
938 } else {
939 tcb_desc->hw_rate =
940 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
941 }
942 }
943 }
944
945 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)))
7ea47240 946 tcb_desc->multicast = 1;
0c817338 947 else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
7ea47240 948 tcb_desc->broadcast = 1;
0c817338 949
acd48572
C		 950 _rtl_txrate_selectmode(hw, sta, tcb_desc);
951 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
0c817338 952 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
acd48572 953 _rtl_query_shortgi(hw, sta, tcb_desc, info);
0c817338
LF		 954 _rtl_query_protection_mode(hw, tcb_desc, info);
955 } else {
956 tcb_desc->use_driver_rate = true;
acd48572 957 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
0c817338
LF		 958 tcb_desc->disable_ratefallback = 1;
959 tcb_desc->mac_id = 0;
acd48572 960 tcb_desc->packet_bw = false;
0c817338
LF		 961 }
962}
963EXPORT_SYMBOL(rtl_get_tcb_desc);
964
26634c4b
LF		 965static bool addbareq_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
966{
967 struct rtl_priv *rtlpriv = rtl_priv(hw);
968 struct ieee80211_sta *sta = NULL;
969 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
970 struct rtl_sta_info *sta_entry = NULL;
971 struct ieee80211_mgmt *mgmt = (void *)skb->data;
972 u16 capab = 0, tid = 0;
973 struct rtl_tid_data *tid_data;
974 struct sk_buff *skb_delba = NULL;
975 struct ieee80211_rx_status rx_status = { 0 };
976
977 rcu_read_lock();
978 sta = rtl_find_sta(hw, hdr->addr3);
979 if (sta == NULL) {
980 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_EMERG,
981 "sta is NULL\n");
982 rcu_read_unlock();
983 return true;
984 }
985
986 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
987 if (!sta_entry) {
988 rcu_read_unlock();
989 return true;
990 }
991 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab);
992 tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
993 tid_data = &sta_entry->tids[tid];
994 if (tid_data->agg.rx_agg_state == RTL_RX_AGG_START) {
995 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid);
996 if (skb_delba) {
655d8e23
JL		 997 rx_status.freq = hw->conf.chandef.chan->center_freq;
998 rx_status.band = hw->conf.chandef.chan->band;
26634c4b
LF		 999 rx_status.flag |= RX_FLAG_DECRYPTED;
1000 rx_status.flag |= RX_FLAG_MACTIME_END;
1001 rx_status.rate_idx = 0;
1002 rx_status.signal = 50 + 10;
1003 memcpy(IEEE80211_SKB_RXCB(skb_delba), &rx_status,
1004 sizeof(rx_status));
1005 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
1006 "fake del\n", skb_delba->data,
1007 skb_delba->len);
1008 ieee80211_rx_irqsafe(hw, skb_delba);
1009 }
1010 }
1011 rcu_read_unlock();
1012 return false;
1013}
1014
0c817338
LF		 1015bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
1016{
1017 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
acd48572 1018 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
0c817338 1019 struct rtl_priv *rtlpriv = rtl_priv(hw);
17c9ac62 1020 __le16 fc = hdr->frame_control;
2c208890 1021 u8 *act = (u8 *)skb->data + MAC80211_3ADDR_LEN;
0c817338
LF		 1022 u8 category;
1023
1024 if (!ieee80211_is_action(fc))
1025 return true;
1026
1027 category = *act;
1028 act++;
1029 switch (category) {
1030 case ACT_CAT_BA:
1031 switch (*act) {
1032 case ACT_ADDBAREQ:
1033 if (mac->act_scanning)
1034 return false;
1035
1036 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
f30d7507
JP		 1037 "%s ACT_ADDBAREQ From :%pM\n",
1038 is_tx ? "Tx" : "Rx", hdr->addr2);
26634c4b
LF		 1039 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n",
1040 skb->data, skb->len);
1041 if (!is_tx)
1042 if (addbareq_rx(hw, skb))
1043 return true;
0c817338
LF		 1044 break;
1045 case ACT_ADDBARSP:
1046 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
f30d7507
JP		 1047 "%s ACT_ADDBARSP From :%pM\n",
1048 is_tx ? "Tx" : "Rx", hdr->addr2);
0c817338
LF		 1049 break;
1050 case ACT_DELBA:
1051 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
f30d7507 1052 "ACT_ADDBADEL From :%pM\n", hdr->addr2);
0c817338
LF		 1053 break;
1054 }
1055 break;
1056 default:
1057 break;
1058 }
1059
1060 return true;
1061}
6f334c2b 1062EXPORT_SYMBOL_GPL(rtl_action_proc);
0c817338
LF		 1063
1064/*should call before software enc*/
1065u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
1066{
1067 struct rtl_priv *rtlpriv = rtl_priv(hw);
0c817338 1068 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
acd48572 1069 __le16 fc = rtl_get_fc(skb);
0c817338
LF		 1070 u16 ether_type;
1071 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
1072 const struct iphdr *ip;
1073
1074 if (!ieee80211_is_data(fc))
32473284 1075 return false;
0c817338 1076
0c5d63f0
MCA		 1077 ip = (const struct iphdr *)(skb->data + mac_hdr_len +
1078 SNAP_SIZE + PROTOC_TYPE_SIZE);
1079 ether_type = be16_to_cpup((__be16 *)
1080 (skb->data + mac_hdr_len + SNAP_SIZE));
1081
1082 switch (ether_type) {
1083 case ETH_P_IP: {
1084 struct udphdr *udp;
1085 u16 src;
1086 u16 dst;
1087
1088 if (ip->protocol != IPPROTO_UDP)
1089 return false;
1090 udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
1091 src = be16_to_cpu(udp->source);
1092 dst = be16_to_cpu(udp->dest);
1093
1094 /* If this case involves port 68 (UDP BOOTP client) connecting
1095 * with port 67 (UDP BOOTP server), then return true so that
1096 * the lowest speed is used.
1097 */
1098 if (!((src == 68 && dst == 67) || (src == 67 && dst == 68)))
1099 return false;
0c817338 1100
0c5d63f0
MCA		 1101 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1102 "dhcp %s !!\n", is_tx ? "Tx" : "Rx");
1103 break;
1104 }
1105 case ETH_P_ARP:
1106 break;
1107 case ETH_P_PAE:
0c817338 1108 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
f30d7507 1109 "802.1X %s EAPOL pkt!!\n", is_tx ? "Tx" : "Rx");
0c5d63f0
MCA		 1110 break;
1111 case ETH_P_IPV6:
1112 /* TODO: Is this right? */
1113 return false;
1114 default:
1115 return false;
0c817338 1116 }
0c5d63f0
MCA		 1117 if (is_tx) {
1118 rtlpriv->enter_ps = false;
1119 schedule_work(&rtlpriv->works.lps_change_work);
1120 ppsc->last_delaylps_stamp_jiffies = jiffies;
1121 }
1122 return true;
0c817338 1123}
6f334c2b 1124EXPORT_SYMBOL_GPL(rtl_is_special_data);
0c817338
LF		 1125
1126/*********************************************************
1127 *
1128 * functions called by core.c
1129 *
1130 *********************************************************/
acd48572
C		 1131int rtl_tx_agg_start(struct ieee80211_hw *hw,
1132 struct ieee80211_sta *sta, u16 tid, u16 *ssn)
0c817338
LF		 1133{
1134 struct rtl_priv *rtlpriv = rtl_priv(hw);
1135 struct rtl_tid_data *tid_data;
1136 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
acd48572 1137 struct rtl_sta_info *sta_entry = NULL;
0c817338 1138
acd48572
C		 1139 if (sta == NULL)
1140 return -EINVAL;
0c817338
LF		 1141
1142 if (unlikely(tid >= MAX_TID_COUNT))
1143 return -EINVAL;
1144
acd48572
C		 1145 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1146 if (!sta_entry)
0c817338 1147 return -ENXIO;
acd48572 1148 tid_data = &sta_entry->tids[tid];
0c817338 1149
f30d7507
JP		 1150 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "on ra = %pM tid = %d seq:%d\n",
1151 sta->addr, tid, tid_data->seq_number);
0c817338 1152
acd48572
C		 1153 *ssn = tid_data->seq_number;
1154 tid_data->agg.agg_state = RTL_AGG_START;
0c817338 1155
acd48572 1156 ieee80211_start_tx_ba_cb_irqsafe(mac->vif, sta->addr, tid);
0c817338
LF		 1157
1158 return 0;
1159}
1160
acd48572
C		 1161int rtl_tx_agg_stop(struct ieee80211_hw *hw,
1162 struct ieee80211_sta *sta, u16 tid)
0c817338 1163{
0c817338
LF		 1164 struct rtl_priv *rtlpriv = rtl_priv(hw);
1165 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
acd48572 1166 struct rtl_sta_info *sta_entry = NULL;
0c817338 1167
acd48572
C		 1168 if (sta == NULL)
1169 return -EINVAL;
0c817338 1170
acd48572 1171 if (!sta->addr) {
f30d7507 1172 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "ra = NULL\n");
0c817338
LF		 1173 return -EINVAL;
1174 }
1175
f30d7507
JP		 1176 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "on ra = %pM tid = %d\n",
1177 sta->addr, tid);
acd48572 1178
0c817338
LF		 1179 if (unlikely(tid >= MAX_TID_COUNT))
1180 return -EINVAL;
1181
acd48572 1182 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
acd48572 1183 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
0c817338 1184
acd48572 1185 ieee80211_stop_tx_ba_cb_irqsafe(mac->vif, sta->addr, tid);
0c817338 1186
acd48572
C		 1187 return 0;
1188}
1189
26634c4b
LF		 1190int rtl_rx_agg_start(struct ieee80211_hw *hw,
1191 struct ieee80211_sta *sta, u16 tid)
1192{
1193 struct rtl_priv *rtlpriv = rtl_priv(hw);
1194 struct rtl_tid_data *tid_data;
1195 struct rtl_sta_info *sta_entry = NULL;
1196
1197 if (sta == NULL)
1198 return -EINVAL;
1199
1200 if (unlikely(tid >= MAX_TID_COUNT))
1201 return -EINVAL;
1202
1203 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1204 if (!sta_entry)
1205 return -ENXIO;
1206 tid_data = &sta_entry->tids[tid];
1207
1208 RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG,
1209 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1210 tid_data->seq_number);
1211
1212 tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1213 return 0;
1214}
1215
1216int rtl_rx_agg_stop(struct ieee80211_hw *hw,
1217 struct ieee80211_sta *sta, u16 tid)
1218{
1219 struct rtl_priv *rtlpriv = rtl_priv(hw);
1220 struct rtl_sta_info *sta_entry = NULL;
1221
1222 if (sta == NULL)
1223 return -EINVAL;
1224
1225 if (!sta->addr) {
1226 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "ra = NULL\n");
1227 return -EINVAL;
1228 }
1229
1230 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1231 "on ra = %pM tid = %d\n", sta->addr, tid);
1232
1233 if (unlikely(tid >= MAX_TID_COUNT))
1234 return -EINVAL;
1235
1236 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1237 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
1238
1239 return 0;
1240}
1241
acd48572
C		 1242int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1243 struct ieee80211_sta *sta, u16 tid)
1244{
1245 struct rtl_priv *rtlpriv = rtl_priv(hw);
acd48572 1246 struct rtl_sta_info *sta_entry = NULL;
0c817338 1247
acd48572
C		 1248 if (sta == NULL)
1249 return -EINVAL;
1250
1251 if (!sta->addr) {
f30d7507 1252 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "ra = NULL\n");
acd48572
C		 1253 return -EINVAL;
1254 }
0c817338 1255
f30d7507
JP		 1256 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "on ra = %pM tid = %d\n",
1257 sta->addr, tid);
0c817338 1258
acd48572
C		 1259 if (unlikely(tid >= MAX_TID_COUNT))
1260 return -EINVAL;
0c817338 1261
acd48572 1262 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
acd48572 1263 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
0c817338
LF		 1264
1265 return 0;
1266}
1267
1268/*********************************************************
1269 *
1270 * wq & timer callback functions
1271 *
1272 *********************************************************/
26634c4b
LF		 1273/* this function is used for roaming */
1274void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1275{
1276 struct rtl_priv *rtlpriv = rtl_priv(hw);
1277 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1278
1279 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1280 return;
1281
1282 if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1283 return;
1284
1285 /* check if this really is a beacon */
1286 if (!ieee80211_is_beacon(hdr->frame_control) &&
1287 !ieee80211_is_probe_resp(hdr->frame_control))
1288 return;
1289
1290 /* min. beacon length + FCS_LEN */
1291 if (skb->len <= 40 + FCS_LEN)
1292 return;
1293
1294 /* and only beacons from the associated BSSID, please */
90908e1c 1295 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
26634c4b
LF		 1296 return;
1297
1298 rtlpriv->link_info.bcn_rx_inperiod++;
1299}
6f334c2b 1300EXPORT_SYMBOL_GPL(rtl_beacon_statistic);
26634c4b 1301
0c817338
LF		 1302void rtl_watchdog_wq_callback(void *data)
1303{
1304 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
1305 struct rtl_works,
1306 watchdog_wq);
1307 struct ieee80211_hw *hw = rtlworks->hw;
1308 struct rtl_priv *rtlpriv = rtl_priv(hw);
1309 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1310 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
7ea47240 1311 bool busytraffic = false;
26634c4b
LF		 1312 bool tx_busy_traffic = false;
1313 bool rx_busy_traffic = false;
7ea47240
LF		 1314 bool higher_busytraffic = false;
1315 bool higher_busyrxtraffic = false;
acd48572 1316 u8 idx, tid;
0c817338
LF		 1317 u32 rx_cnt_inp4eriod = 0;
1318 u32 tx_cnt_inp4eriod = 0;
1319 u32 aver_rx_cnt_inperiod = 0;
1320 u32 aver_tx_cnt_inperiod = 0;
acd48572
C		 1321 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
1322 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
0c817338
LF		 1323
1324 if (is_hal_stop(rtlhal))
1325 return;
1326
1327 /* <1> Determine if action frame is allowed */
1328 if (mac->link_state > MAC80211_NOLINK) {
1329 if (mac->cnt_after_linked < 20)
1330 mac->cnt_after_linked++;
1331 } else {
1332 mac->cnt_after_linked = 0;
1333 }
1334
0c817338 1335 /*
09e92f0b 1336 *<2> to check if traffic busy, if
0c817338
LF		 1337 * busytraffic we don't change channel
1338 */
1339 if (mac->link_state >= MAC80211_LINKED) {
1340
1341 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
1342 for (idx = 0; idx <= 2; idx++) {
1343 rtlpriv->link_info.num_rx_in4period[idx] =
1344 rtlpriv->link_info.num_rx_in4period[idx + 1];
1345 rtlpriv->link_info.num_tx_in4period[idx] =
1346 rtlpriv->link_info.num_tx_in4period[idx + 1];
1347 }
1348 rtlpriv->link_info.num_rx_in4period[3] =
1349 rtlpriv->link_info.num_rx_inperiod;
1350 rtlpriv->link_info.num_tx_in4period[3] =
1351 rtlpriv->link_info.num_tx_inperiod;
1352 for (idx = 0; idx <= 3; idx++) {
1353 rx_cnt_inp4eriod +=
1354 rtlpriv->link_info.num_rx_in4period[idx];
1355 tx_cnt_inp4eriod +=
1356 rtlpriv->link_info.num_tx_in4period[idx];
1357 }
1358 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
1359 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
1360
1361 /* (2) check traffic busy */
26634c4b 1362 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
7ea47240 1363 busytraffic = true;
26634c4b
LF		 1364 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
1365 rx_busy_traffic = true;
1366 else
1367 tx_busy_traffic = false;
1368 }
0c817338
LF		 1369
1370 /* Higher Tx/Rx data. */
1371 if (aver_rx_cnt_inperiod > 4000 ||
1372 aver_tx_cnt_inperiod > 4000) {
7ea47240 1373 higher_busytraffic = true;
0c817338
LF		 1374
1375 /* Extremely high Rx data. */
1376 if (aver_rx_cnt_inperiod > 5000)
7ea47240 1377 higher_busyrxtraffic = true;
acd48572
C		 1378 }
1379
1380 /* check every tid's tx traffic */
1381 for (tid = 0; tid <= 7; tid++) {
1382 for (idx = 0; idx <= 2; idx++)
1383 rtlpriv->link_info.tidtx_in4period[tid][idx] =
1384 rtlpriv->link_info.tidtx_in4period[tid]
1385 [idx + 1];
1386 rtlpriv->link_info.tidtx_in4period[tid][3] =
1387 rtlpriv->link_info.tidtx_inperiod[tid];
1388
1389 for (idx = 0; idx <= 3; idx++)
1390 tidtx_inp4eriod[tid] +=
1391 rtlpriv->link_info.tidtx_in4period[tid][idx];
1392 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
1393 if (aver_tidtx_inperiod[tid] > 5000)
1394 rtlpriv->link_info.higher_busytxtraffic[tid] =
1395 true;
0c817338 1396 else
acd48572
C		 1397 rtlpriv->link_info.higher_busytxtraffic[tid] =
1398 false;
0c817338
LF		 1399 }
1400
1401 if (((rtlpriv->link_info.num_rx_inperiod +
1402 rtlpriv->link_info.num_tx_inperiod) > 8) ||
1403 (rtlpriv->link_info.num_rx_inperiod > 2))
a269913c 1404 rtlpriv->enter_ps = true;
0c817338 1405 else
a269913c 1406 rtlpriv->enter_ps = false;
0c817338
LF		 1407
1408 /* LeisurePS only work in infra mode. */
a269913c 1409 schedule_work(&rtlpriv->works.lps_change_work);
0c817338
LF		 1410 }
1411
1412 rtlpriv->link_info.num_rx_inperiod = 0;
1413 rtlpriv->link_info.num_tx_inperiod = 0;
acd48572
C		 1414 for (tid = 0; tid <= 7; tid++)
1415 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
0c817338 1416
7ea47240
LF		 1417 rtlpriv->link_info.busytraffic = busytraffic;
1418 rtlpriv->link_info.higher_busytraffic = higher_busytraffic;
26634c4b
LF		 1419 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic;
1420 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic;
7ea47240 1421 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic;
0c817338 1422
acd48572
C		 1423 /* <3> DM */
1424 rtlpriv->cfg->ops->dm_watchdog(hw);
26634c4b
LF		 1425
1426 /* <4> roaming */
1427 if (mac->link_state == MAC80211_LINKED &&
1428 mac->opmode == NL80211_IFTYPE_STATION) {
1429 if ((rtlpriv->link_info.bcn_rx_inperiod +
1430 rtlpriv->link_info.num_rx_inperiod) == 0) {
1431 rtlpriv->link_info.roam_times++;
1432 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
1433 "AP off for %d s\n",
1434 (rtlpriv->link_info.roam_times * 2));
1435
1436 /* if we can't recv beacon for 6s, we should
1437 * reconnect this AP
1438 */
8fd77aec
LF		 1439 if ((rtlpriv->link_info.roam_times >= 3) &&
1440 !is_zero_ether_addr(rtlpriv->mac80211.bssid)) {
26634c4b
LF		 1441 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1442 "AP off, try to reconnect now\n");
1443 rtlpriv->link_info.roam_times = 0;
1444 ieee80211_connection_loss(rtlpriv->mac80211.vif);
1445 }
1446 } else {
1447 rtlpriv->link_info.roam_times = 0;
1448 }
1449 }
1450 rtlpriv->link_info.bcn_rx_inperiod = 0;
0c817338
LF		 1451}
1452
1453void rtl_watch_dog_timer_callback(unsigned long data)
1454{
1455 struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1456 struct rtl_priv *rtlpriv = rtl_priv(hw);
1457
1458 queue_delayed_work(rtlpriv->works.rtl_wq,
1459 &rtlpriv->works.watchdog_wq, 0);
1460
1461 mod_timer(&rtlpriv->works.watchdog_timer,
1462 jiffies + MSECS(RTL_WATCH_DOG_TIME));
1463}
1464
26634c4b
LF		 1465void rtl_fwevt_wq_callback(void *data)
1466{
1467 struct rtl_works *rtlworks =
1468 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
1469 struct ieee80211_hw *hw = rtlworks->hw;
1470 struct rtl_priv *rtlpriv = rtl_priv(hw);
1471
1472 rtlpriv->cfg->ops->c2h_command_handle(hw);
1473}
1474
1475void rtl_easy_concurrent_retrytimer_callback(unsigned long data)
1476{
1477 struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1478 struct rtl_priv *rtlpriv = rtl_priv(hw);
1479 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
1480
1481 if (buddy_priv == NULL)
1482 return;
1483
1484 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw);
1485}
1486
acd48572
C		 1487/*********************************************************
1488 *
1489 * frame process functions
1490 *
1491 *********************************************************/
1492u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
1493{
1494 struct ieee80211_mgmt *mgmt = (void *)data;
1495 u8 *pos, *end;
1496
1497 pos = (u8 *)mgmt->u.beacon.variable;
1498 end = data + len;
1499 while (pos < end) {
1500 if (pos + 2 + pos[1] > end)
1501 return NULL;
1502
1503 if (pos[0] == ie)
1504 return pos;
1505
1506 pos += 2 + pos[1];
1507 }
1508 return NULL;
1509}
1510
1511/* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
1512/* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
d3bb1429 1513static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
acd48572
C		 1514 enum ieee80211_smps_mode smps, u8 *da, u8 *bssid)
1515{
1516 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1517 struct sk_buff *skb;
1518 struct ieee80211_mgmt *action_frame;
1519
1520 /* 27 = header + category + action + smps mode */
1521 skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
1522 if (!skb)
1523 return NULL;
1524
1525 skb_reserve(skb, hw->extra_tx_headroom);
1526 action_frame = (void *)skb_put(skb, 27);
1527 memset(action_frame, 0, 27);
1528 memcpy(action_frame->da, da, ETH_ALEN);
1529 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
1530 memcpy(action_frame->bssid, bssid, ETH_ALEN);
1531 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1532 IEEE80211_STYPE_ACTION);
1533 action_frame->u.action.category = WLAN_CATEGORY_HT;
1534 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
1535 switch (smps) {
1536 case IEEE80211_SMPS_AUTOMATIC:/* 0 */
1537 case IEEE80211_SMPS_NUM_MODES:/* 4 */
1538 WARN_ON(1);
1539 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
1540 action_frame->u.action.u.ht_smps.smps_control =
1541 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
1542 break;
1543 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
1544 action_frame->u.action.u.ht_smps.smps_control =
1545 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
1546 break;
1547 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
1548 action_frame->u.action.u.ht_smps.smps_control =
1549 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
1550 break;
1551 }
1552
1553 return skb;
1554}
1555
1556int rtl_send_smps_action(struct ieee80211_hw *hw,
26634c4b 1557 struct ieee80211_sta *sta,
acd48572
C		 1558 enum ieee80211_smps_mode smps)
1559{
1560 struct rtl_priv *rtlpriv = rtl_priv(hw);
1561 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1562 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
26634c4b 1563 struct sk_buff *skb = NULL;
acd48572 1564 struct rtl_tcb_desc tcb_desc;
26634c4b
LF		 1565 u8 bssid[ETH_ALEN] = {0};
1566
acd48572
C		 1567 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1568
1569 if (rtlpriv->mac80211.act_scanning)
1570 goto err_free;
1571
1572 if (!sta)
1573 goto err_free;
1574
1575 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
1576 goto err_free;
1577
1578 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1579 goto err_free;
1580
26634c4b
LF		 1581 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
1582 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
1583 else
1584 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
1585
1586 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
acd48572
C		 1587 /* this is a type = mgmt * stype = action frame */
1588 if (skb) {
1589 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1590 struct rtl_sta_info *sta_entry =
1591 (struct rtl_sta_info *) sta->drv_priv;
1592 sta_entry->mimo_ps = smps;
acd48572
C		 1593
1594 info->control.rates[0].idx = 0;
675a0b04 1595 info->band = hw->conf.chandef.chan->band;
36323f81 1596 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
acd48572 1597 }
26634c4b
LF		 1598 return 1;
1599
acd48572
C		 1600err_free:
1601 return 0;
1602}
26634c4b
LF		 1603EXPORT_SYMBOL(rtl_send_smps_action);
1604
4f4826da
LF		 1605void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation)
1606{
1607 struct rtl_priv *rtlpriv = rtl_priv(hw);
1608 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1609 enum io_type iotype;
1610
1611 if (!is_hal_stop(rtlhal)) {
1612 switch (operation) {
1613 case SCAN_OPT_BACKUP:
1614 iotype = IO_CMD_PAUSE_DM_BY_SCAN;
1615 rtlpriv->cfg->ops->set_hw_reg(hw,
1616 HW_VAR_IO_CMD,
1617 (u8 *)&iotype);
1618 break;
1619 case SCAN_OPT_RESTORE:
1620 iotype = IO_CMD_RESUME_DM_BY_SCAN;
1621 rtlpriv->cfg->ops->set_hw_reg(hw,
1622 HW_VAR_IO_CMD,
1623 (u8 *)&iotype);
1624 break;
1625 default:
1626 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1627 "Unknown Scan Backup operation.\n");
1628 break;
1629 }
1630 }
1631}
1632EXPORT_SYMBOL(rtl_phy_scan_operation_backup);
1633
26634c4b
LF		 1634/* There seem to be issues in mac80211 regarding when del ba frames can be
1635 * received. As a work around, we make a fake del_ba if we receive a ba_req;
1636 * however, rx_agg was opened to let mac80211 release some ba related
1637 * resources. This del_ba is for tx only.
1638 */
1639struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
1640 u8 *sa, u8 *bssid, u16 tid)
1641{
1642 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1643 struct sk_buff *skb;
1644 struct ieee80211_mgmt *action_frame;
1645 u16 params;
1646
1647 /* 27 = header + category + action + smps mode */
1648 skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
1649 if (!skb)
1650 return NULL;
1651
1652 skb_reserve(skb, hw->extra_tx_headroom);
1653 action_frame = (void *)skb_put(skb, 34);
1654 memset(action_frame, 0, 34);
1655 memcpy(action_frame->sa, sa, ETH_ALEN);
1656 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
1657 memcpy(action_frame->bssid, bssid, ETH_ALEN);
1658 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1659 IEEE80211_STYPE_ACTION);
1660 action_frame->u.action.category = WLAN_CATEGORY_BACK;
1661 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
1662 params = (u16)(1 << 11); /* bit 11 initiator */
1663 params |= (u16)(tid << 12); /* bit 15:12 TID number */
1664
1665 action_frame->u.action.u.delba.params = cpu_to_le16(params);
1666 action_frame->u.action.u.delba.reason_code =
1667 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
1668
1669 return skb;
1670}
acd48572
C		 1671
1672/*********************************************************
1673 *
1674 * IOT functions
1675 *
1676 *********************************************************/
1677static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
1678 struct octet_string vendor_ie)
1679{
1680 struct rtl_priv *rtlpriv = rtl_priv(hw);
1681 bool matched = false;
1682 static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
1683 static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
1684 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
1685 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
1686 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
1687 static u8 racap[] = { 0x00, 0x0c, 0x43 };
1688 static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
1689 static u8 marvcap[] = { 0x00, 0x50, 0x43 };
1690
1691 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
1692 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
1693 rtlpriv->mac80211.vendor = PEER_ATH;
1694 matched = true;
1695 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
1696 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
1697 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
1698 rtlpriv->mac80211.vendor = PEER_BROAD;
1699 matched = true;
1700 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
1701 rtlpriv->mac80211.vendor = PEER_RAL;
1702 matched = true;
1703 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
1704 rtlpriv->mac80211.vendor = PEER_CISCO;
1705 matched = true;
1706 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
1707 rtlpriv->mac80211.vendor = PEER_MARV;
1708 matched = true;
1709 }
1710
1711 return matched;
1712}
1713
d3bb1429 1714static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
acd48572
C		 1715 unsigned int len)
1716{
1717 struct ieee80211_mgmt *mgmt = (void *)data;
1718 struct octet_string vendor_ie;
1719 u8 *pos, *end;
1720
1721 pos = (u8 *)mgmt->u.beacon.variable;
1722 end = data + len;
1723 while (pos < end) {
1724 if (pos[0] == 221) {
1725 vendor_ie.length = pos[1];
1726 vendor_ie.octet = &pos[2];
1727 if (rtl_chk_vendor_ouisub(hw, vendor_ie))
1728 return true;
1729 }
1730
1731 if (pos + 2 + pos[1] > end)
1732 return false;
1733
1734 pos += 2 + pos[1];
1735 }
1736 return false;
1737}
1738
1739void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
1740{
1741 struct rtl_priv *rtlpriv = rtl_priv(hw);
1742 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1743 struct ieee80211_hdr *hdr = (void *)data;
1744 u32 vendor = PEER_UNKNOWN;
1745
1746 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
1747 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
1748 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
1749 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
1750 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
1751 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
1752 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
1753 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
1754 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
1755 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
1756 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
1757 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
1758 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
1759 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
1760 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
1761 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
1762
1763 if (mac->opmode != NL80211_IFTYPE_STATION)
1764 return;
1765
1766 if (mac->link_state == MAC80211_NOLINK) {
1767 mac->vendor = PEER_UNKNOWN;
1768 return;
1769 }
1770
1771 if (mac->cnt_after_linked > 2)
1772 return;
1773
1774 /* check if this really is a beacon */
1775 if (!ieee80211_is_beacon(hdr->frame_control))
1776 return;
1777
1778 /* min. beacon length + FCS_LEN */
1779 if (len <= 40 + FCS_LEN)
1780 return;
1781
1782 /* and only beacons from the associated BSSID, please */
90908e1c 1783 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
acd48572
C		 1784 return;
1785
1786 if (rtl_find_221_ie(hw, data, len))
1787 vendor = mac->vendor;
1788
1789 if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
1790 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
1791 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
1792 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
1793 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
1794 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
1795 vendor == PEER_ATH) {
1796 vendor = PEER_ATH;
f30d7507 1797 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n");
acd48572
C		 1798 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
1799 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
1800 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
1801 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
1802 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
1803 vendor == PEER_RAL) {
f30d7507 1804 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n");
acd48572
C		 1805 vendor = PEER_RAL;
1806 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
1807 vendor == PEER_CISCO) {
1808 vendor = PEER_CISCO;
f30d7507 1809 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n");
acd48572
C		 1810 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
1811 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
1812 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
1813 vendor == PEER_BROAD) {
f30d7507 1814 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n");
acd48572
C		 1815 vendor = PEER_BROAD;
1816 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
1817 vendor == PEER_MARV) {
1818 vendor = PEER_MARV;
f30d7507 1819 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n");
acd48572
C		 1820 }
1821
1822 mac->vendor = vendor;
1823}
6f334c2b 1824EXPORT_SYMBOL_GPL(rtl_recognize_peer);
acd48572 1825
0c817338
LF		 1826/*********************************************************
1827 *
1828 * sysfs functions
1829 *
1830 *********************************************************/
1831static ssize_t rtl_show_debug_level(struct device *d,
1832 struct device_attribute *attr, char *buf)
1833{
1834 struct ieee80211_hw *hw = dev_get_drvdata(d);
1835 struct rtl_priv *rtlpriv = rtl_priv(hw);
1836
1837 return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel);
1838}
1839
1840static ssize_t rtl_store_debug_level(struct device *d,
1841 struct device_attribute *attr,
1842 const char *buf, size_t count)
1843{
1844 struct ieee80211_hw *hw = dev_get_drvdata(d);
1845 struct rtl_priv *rtlpriv = rtl_priv(hw);
1846 unsigned long val;
1847 int ret;
1848
27d7f477 1849 ret = kstrtoul(buf, 0, &val);
0c817338
LF		 1850 if (ret) {
1851 printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf);
1852 } else {
1853 rtlpriv->dbg.global_debuglevel = val;
1854 printk(KERN_DEBUG "debuglevel:%x\n",
1855 rtlpriv->dbg.global_debuglevel);
1856 }
1857
1858 return strnlen(buf, count);
1859}
1860
1861static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO,
1862 rtl_show_debug_level, rtl_store_debug_level);
1863
1864static struct attribute *rtl_sysfs_entries[] = {
1865
1866 &dev_attr_debug_level.attr,
1867
1868 NULL
1869};
1870
1871/*
1872 * "name" is folder name witch will be
1873 * put in device directory like :
1874 * sys/devices/pci0000:00/0000:00:1c.4/
1875 * 0000:06:00.0/rtl_sysfs
1876 */
1877struct attribute_group rtl_attribute_group = {
1878 .name = "rtlsysfs",
1879 .attrs = rtl_sysfs_entries,
1880};
6f334c2b 1881EXPORT_SYMBOL_GPL(rtl_attribute_group);
0c817338
LF		 1882
1883MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
1884MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
1885MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
1886MODULE_LICENSE("GPL");
1887MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
1888
6f334c2b
LF		 1889struct rtl_global_var rtl_global_var = {};
1890EXPORT_SYMBOL_GPL(rtl_global_var);
26634c4b 1891
0c817338
LF		 1892static int __init rtl_core_module_init(void)
1893{
375ff4c7 1894 if (rtl_rate_control_register())
292b1192 1895 pr_err("Unable to register rtl_rc, use default RC !!\n");
acd48572 1896
26634c4b 1897 /* init some global vars */
6f334c2b
LF		 1898 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list);
1899 spin_lock_init(&rtl_global_var.glb_list_lock);
26634c4b 1900
0c817338
LF		 1901 return 0;
1902}
1903
1904static void __exit rtl_core_module_exit(void)
1905{
acd48572 1906 /*RC*/
375ff4c7 1907 rtl_rate_control_unregister();
0c817338
LF		 1908}
1909
1910module_init(rtl_core_module_init);
1911module_exit(rtl_core_module_exit);
Linux kernel - Deliverables
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