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1/******************************************************************************
2 *
3 * Copyright(c) 2009-2012 Realtek Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
16 *
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
21 *
22 * Larry Finger <Larry.Finger@lwfinger.net>
23 *
24 *****************************************************************************/
25
26#include "wifi.h"
27#include "rc.h"
28#include "base.h"
29#include "efuse.h"
30#include "cam.h"
31#include "ps.h"
32#include "regd.h"
33#include "pci.h"
34#include <linux/ip.h>
35#include <linux/module.h>
36#include <linux/udp.h>
37
38/*
39 *NOTICE!!!: This file will be very big, we should
40 *keep it clear under following roles:
41 *
42 *This file include following parts, so, if you add new
43 *functions into this file, please check which part it
44 *should includes. or check if you should add new part
45 *for this file:
46 *
47 *1) mac80211 init functions
48 *2) tx information functions
49 *3) functions called by core.c
50 *4) wq & timer callback functions
51 *5) frame process functions
52 *6) IOT functions
53 *7) sysfs functions
54 *8) vif functions
55 *9) ...
56 */
57
58/*********************************************************
59 *
60 * mac80211 init functions
61 *
62 *********************************************************/
63static struct ieee80211_channel rtl_channeltable_2g[] = {
64 {.center_freq = 2412, .hw_value = 1,},
65 {.center_freq = 2417, .hw_value = 2,},
66 {.center_freq = 2422, .hw_value = 3,},
67 {.center_freq = 2427, .hw_value = 4,},
68 {.center_freq = 2432, .hw_value = 5,},
69 {.center_freq = 2437, .hw_value = 6,},
70 {.center_freq = 2442, .hw_value = 7,},
71 {.center_freq = 2447, .hw_value = 8,},
72 {.center_freq = 2452, .hw_value = 9,},
73 {.center_freq = 2457, .hw_value = 10,},
74 {.center_freq = 2462, .hw_value = 11,},
75 {.center_freq = 2467, .hw_value = 12,},
76 {.center_freq = 2472, .hw_value = 13,},
77 {.center_freq = 2484, .hw_value = 14,},
78};
79
80static struct ieee80211_channel rtl_channeltable_5g[] = {
81 {.center_freq = 5180, .hw_value = 36,},
82 {.center_freq = 5200, .hw_value = 40,},
83 {.center_freq = 5220, .hw_value = 44,},
84 {.center_freq = 5240, .hw_value = 48,},
85 {.center_freq = 5260, .hw_value = 52,},
86 {.center_freq = 5280, .hw_value = 56,},
87 {.center_freq = 5300, .hw_value = 60,},
88 {.center_freq = 5320, .hw_value = 64,},
89 {.center_freq = 5500, .hw_value = 100,},
90 {.center_freq = 5520, .hw_value = 104,},
91 {.center_freq = 5540, .hw_value = 108,},
92 {.center_freq = 5560, .hw_value = 112,},
93 {.center_freq = 5580, .hw_value = 116,},
94 {.center_freq = 5600, .hw_value = 120,},
95 {.center_freq = 5620, .hw_value = 124,},
96 {.center_freq = 5640, .hw_value = 128,},
97 {.center_freq = 5660, .hw_value = 132,},
98 {.center_freq = 5680, .hw_value = 136,},
99 {.center_freq = 5700, .hw_value = 140,},
100 {.center_freq = 5745, .hw_value = 149,},
101 {.center_freq = 5765, .hw_value = 153,},
102 {.center_freq = 5785, .hw_value = 157,},
103 {.center_freq = 5805, .hw_value = 161,},
104 {.center_freq = 5825, .hw_value = 165,},
105};
106
107static struct ieee80211_rate rtl_ratetable_2g[] = {
108 {.bitrate = 10, .hw_value = 0x00,},
109 {.bitrate = 20, .hw_value = 0x01,},
110 {.bitrate = 55, .hw_value = 0x02,},
111 {.bitrate = 110, .hw_value = 0x03,},
112 {.bitrate = 60, .hw_value = 0x04,},
113 {.bitrate = 90, .hw_value = 0x05,},
114 {.bitrate = 120, .hw_value = 0x06,},
115 {.bitrate = 180, .hw_value = 0x07,},
116 {.bitrate = 240, .hw_value = 0x08,},
117 {.bitrate = 360, .hw_value = 0x09,},
118 {.bitrate = 480, .hw_value = 0x0a,},
119 {.bitrate = 540, .hw_value = 0x0b,},
120};
121
122static struct ieee80211_rate rtl_ratetable_5g[] = {
123 {.bitrate = 60, .hw_value = 0x04,},
124 {.bitrate = 90, .hw_value = 0x05,},
125 {.bitrate = 120, .hw_value = 0x06,},
126 {.bitrate = 180, .hw_value = 0x07,},
127 {.bitrate = 240, .hw_value = 0x08,},
128 {.bitrate = 360, .hw_value = 0x09,},
129 {.bitrate = 480, .hw_value = 0x0a,},
130 {.bitrate = 540, .hw_value = 0x0b,},
131};
132
133static const struct ieee80211_supported_band rtl_band_2ghz = {
134 .band = NL80211_BAND_2GHZ,
135
136 .channels = rtl_channeltable_2g,
137 .n_channels = ARRAY_SIZE(rtl_channeltable_2g),
138
139 .bitrates = rtl_ratetable_2g,
140 .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g),
141
142 .ht_cap = {0},
143};
144
145static struct ieee80211_supported_band rtl_band_5ghz = {
146 .band = NL80211_BAND_5GHZ,
147
148 .channels = rtl_channeltable_5g,
149 .n_channels = ARRAY_SIZE(rtl_channeltable_5g),
150
151 .bitrates = rtl_ratetable_5g,
152 .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g),
153
154 .ht_cap = {0},
155};
156
157static const u8 tid_to_ac[] = {
158 2, /* IEEE80211_AC_BE */
159 3, /* IEEE80211_AC_BK */
160 3, /* IEEE80211_AC_BK */
161 2, /* IEEE80211_AC_BE */
162 1, /* IEEE80211_AC_VI */
163 1, /* IEEE80211_AC_VI */
164 0, /* IEEE80211_AC_VO */
165 0, /* IEEE80211_AC_VO */
166};
167
168u8 rtl_tid_to_ac(u8 tid)
169{
170 return tid_to_ac[tid];
171}
172EXPORT_SYMBOL_GPL(rtl_tid_to_ac);
173
174static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
175 struct ieee80211_sta_ht_cap *ht_cap)
176{
177 struct rtl_priv *rtlpriv = rtl_priv(hw);
178 struct rtl_phy *rtlphy = &(rtlpriv->phy);
179
180 ht_cap->ht_supported = true;
181 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
182 IEEE80211_HT_CAP_SGI_40 |
183 IEEE80211_HT_CAP_SGI_20 |
184 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
185
186 if (rtlpriv->rtlhal.disable_amsdu_8k)
187 ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
188
189 /*
190 *Maximum length of AMPDU that the STA can receive.
191 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
192 */
193 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
194
195 /*Minimum MPDU start spacing , */
196 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
197
198 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
199
200 /*hw->wiphy->bands[NL80211_BAND_2GHZ]
201 *base on ant_num
202 *rx_mask: RX mask
203 *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
204 *if rx_ant = 2 rx_mask[1]= 0xff;==>MCS8-MCS15
205 *if rx_ant >= 3 rx_mask[2]= 0xff;
206 *if BW_40 rx_mask[4]= 0x01;
207 *highest supported RX rate
208 */
209 if (rtlpriv->dm.supp_phymode_switch) {
210 pr_info("Support phy mode switch\n");
211
212 ht_cap->mcs.rx_mask[0] = 0xFF;
213 ht_cap->mcs.rx_mask[1] = 0xFF;
214 ht_cap->mcs.rx_mask[4] = 0x01;
215
216 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
217 } else {
218 if (get_rf_type(rtlphy) == RF_1T2R ||
219 get_rf_type(rtlphy) == RF_2T2R) {
220 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
221 "1T2R or 2T2R\n");
222 ht_cap->mcs.rx_mask[0] = 0xFF;
223 ht_cap->mcs.rx_mask[1] = 0xFF;
224 ht_cap->mcs.rx_mask[4] = 0x01;
225
226 ht_cap->mcs.rx_highest =
227 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
228 } else if (get_rf_type(rtlphy) == RF_1T1R) {
229 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n");
230
231 ht_cap->mcs.rx_mask[0] = 0xFF;
232 ht_cap->mcs.rx_mask[1] = 0x00;
233 ht_cap->mcs.rx_mask[4] = 0x01;
234
235 ht_cap->mcs.rx_highest =
236 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
237 }
238 }
239}
240
241static void _rtl_init_hw_vht_capab(struct ieee80211_hw *hw,
242 struct ieee80211_sta_vht_cap *vht_cap)
243{
244 struct rtl_priv *rtlpriv = rtl_priv(hw);
245 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
246
247 if (!(rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT))
248 return;
249
250 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE ||
251 rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) {
252 u16 mcs_map;
253
254 vht_cap->vht_supported = true;
255 vht_cap->cap =
256 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
257 IEEE80211_VHT_CAP_SHORT_GI_80 |
258 IEEE80211_VHT_CAP_TXSTBC |
259 IEEE80211_VHT_CAP_RXSTBC_1 |
260 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
261 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
262 IEEE80211_VHT_CAP_HTC_VHT |
263 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
264 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
265 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
266 0;
267
268 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
269 IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
270 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
271 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
272 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
273 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
274 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
275 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
276
277 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
278 vht_cap->vht_mcs.rx_highest =
279 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
280 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
281 vht_cap->vht_mcs.tx_highest =
282 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
283 } else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
284 u16 mcs_map;
285
286 vht_cap->vht_supported = true;
287 vht_cap->cap =
288 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
289 IEEE80211_VHT_CAP_SHORT_GI_80 |
290 IEEE80211_VHT_CAP_TXSTBC |
291 IEEE80211_VHT_CAP_RXSTBC_1 |
292 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
293 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
294 IEEE80211_VHT_CAP_HTC_VHT |
295 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
296 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
297 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
298 0;
299
300 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
301 IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 |
302 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
303 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
304 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
305 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
306 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
307 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
308
309 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
310 vht_cap->vht_mcs.rx_highest =
311 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
312 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
313 vht_cap->vht_mcs.tx_highest =
314 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
315 }
316}
317
318static void _rtl_init_mac80211(struct ieee80211_hw *hw)
319{
320 struct rtl_priv *rtlpriv = rtl_priv(hw);
321 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
322 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
323 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
324 struct ieee80211_supported_band *sband;
325
326 if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY &&
327 rtlhal->bandset == BAND_ON_BOTH) {
328 /* 1: 2.4 G bands */
329 /* <1> use mac->bands as mem for hw->wiphy->bands */
330 sband = &(rtlmac->bands[NL80211_BAND_2GHZ]);
331
332 /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ]
333 * to default value(1T1R) */
334 memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]), &rtl_band_2ghz,
335 sizeof(struct ieee80211_supported_band));
336
337 /* <3> init ht cap base on ant_num */
338 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
339
340 /* <4> set mac->sband to wiphy->sband */
341 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
342
343 /* 2: 5 G bands */
344 /* <1> use mac->bands as mem for hw->wiphy->bands */
345 sband = &(rtlmac->bands[NL80211_BAND_5GHZ]);
346
347 /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ]
348 * to default value(1T1R) */
349 memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]), &rtl_band_5ghz,
350 sizeof(struct ieee80211_supported_band));
351
352 /* <3> init ht cap base on ant_num */
353 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
354
355 _rtl_init_hw_vht_capab(hw, &sband->vht_cap);
356 /* <4> set mac->sband to wiphy->sband */
357 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
358 } else {
359 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
360 /* <1> use mac->bands as mem for hw->wiphy->bands */
361 sband = &(rtlmac->bands[NL80211_BAND_2GHZ]);
362
363 /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ]
364 * to default value(1T1R) */
365 memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]),
366 &rtl_band_2ghz,
367 sizeof(struct ieee80211_supported_band));
368
369 /* <3> init ht cap base on ant_num */
370 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
371
372 /* <4> set mac->sband to wiphy->sband */
373 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
374 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
375 /* <1> use mac->bands as mem for hw->wiphy->bands */
376 sband = &(rtlmac->bands[NL80211_BAND_5GHZ]);
377
378 /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ]
379 * to default value(1T1R) */
380 memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]),
381 &rtl_band_5ghz,
382 sizeof(struct ieee80211_supported_band));
383
384 /* <3> init ht cap base on ant_num */
385 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
386
387 _rtl_init_hw_vht_capab(hw, &sband->vht_cap);
388 /* <4> set mac->sband to wiphy->sband */
389 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
390 } else {
391 pr_err("Err BAND %d\n",
392 rtlhal->current_bandtype);
393 }
394 }
395 /* <5> set hw caps */
396 ieee80211_hw_set(hw, SIGNAL_DBM);
397 ieee80211_hw_set(hw, RX_INCLUDES_FCS);
398 ieee80211_hw_set(hw, AMPDU_AGGREGATION);
399 ieee80211_hw_set(hw, CONNECTION_MONITOR);
400 ieee80211_hw_set(hw, MFP_CAPABLE);
401 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
402 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
403 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
404
405 /* swlps or hwlps has been set in diff chip in init_sw_vars */
406 if (rtlpriv->psc.swctrl_lps) {
407 ieee80211_hw_set(hw, SUPPORTS_PS);
408 ieee80211_hw_set(hw, PS_NULLFUNC_STACK);
409 }
410 if (rtlpriv->psc.fwctrl_lps) {
411 ieee80211_hw_set(hw, SUPPORTS_PS);
412 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
413 }
414 hw->wiphy->interface_modes =
415 BIT(NL80211_IFTYPE_AP) |
416 BIT(NL80211_IFTYPE_STATION) |
417 BIT(NL80211_IFTYPE_ADHOC) |
418 BIT(NL80211_IFTYPE_MESH_POINT) |
419 BIT(NL80211_IFTYPE_P2P_CLIENT) |
420 BIT(NL80211_IFTYPE_P2P_GO);
421 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
422
423 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
424
425 hw->wiphy->rts_threshold = 2347;
426
427 hw->queues = AC_MAX;
428 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
429
430 /* TODO: Correct this value for our hw */
431 hw->max_listen_interval = MAX_LISTEN_INTERVAL;
432 hw->max_rate_tries = MAX_RATE_TRIES;
433 /* hw->max_rates = 1; */
434 hw->sta_data_size = sizeof(struct rtl_sta_info);
435
436/* wowlan is not supported by kernel if CONFIG_PM is not defined */
437#ifdef CONFIG_PM
438 if (rtlpriv->psc.wo_wlan_mode) {
439 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET)
440 rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT;
441 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) {
442 rtlpriv->wowlan.n_patterns =
443 MAX_SUPPORT_WOL_PATTERN_NUM;
444 rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE;
445 rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE;
446 }
447 hw->wiphy->wowlan = &rtlpriv->wowlan;
448 }
449#endif
450
451 /* <6> mac address */
452 if (is_valid_ether_addr(rtlefuse->dev_addr)) {
453 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
454 } else {
455 u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
456 get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1);
457 SET_IEEE80211_PERM_ADDR(hw, rtlmac1);
458 }
459}
460
461static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
462{
463 struct rtl_priv *rtlpriv = rtl_priv(hw);
464
465 /* <1> timer */
466 timer_setup(&rtlpriv->works.watchdog_timer,
467 rtl_watch_dog_timer_callback, 0);
468 timer_setup(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
469 rtl_easy_concurrent_retrytimer_callback, 0);
470 /* <2> work queue */
471 rtlpriv->works.hw = hw;
472 rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name);
473 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
474 (void *)rtl_watchdog_wq_callback);
475 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
476 (void *)rtl_ips_nic_off_wq_callback);
477 INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
478 (void *)rtl_swlps_wq_callback);
479 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
480 (void *)rtl_swlps_rfon_wq_callback);
481 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq,
482 (void *)rtl_fwevt_wq_callback);
483 INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq,
484 (void *)rtl_c2hcmd_wq_callback);
485
486}
487
488void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
489{
490 struct rtl_priv *rtlpriv = rtl_priv(hw);
491
492 del_timer_sync(&rtlpriv->works.watchdog_timer);
493
494 cancel_delayed_work(&rtlpriv->works.watchdog_wq);
495 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
496 cancel_delayed_work(&rtlpriv->works.ps_work);
497 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
498 cancel_delayed_work(&rtlpriv->works.fwevt_wq);
499 cancel_delayed_work(&rtlpriv->works.c2hcmd_wq);
500}
501EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work);
502
503void rtl_init_rfkill(struct ieee80211_hw *hw)
504{
505 struct rtl_priv *rtlpriv = rtl_priv(hw);
506
507 bool radio_state;
508 bool blocked;
509 u8 valid = 0;
510
511 /*set init state to on */
512 rtlpriv->rfkill.rfkill_state = true;
513 wiphy_rfkill_set_hw_state(hw->wiphy, 0);
514
515 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
516
517 if (valid) {
518 pr_info("rtlwifi: wireless switch is %s\n",
519 rtlpriv->rfkill.rfkill_state ? "on" : "off");
520
521 rtlpriv->rfkill.rfkill_state = radio_state;
522
523 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
524 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
525 }
526
527 wiphy_rfkill_start_polling(hw->wiphy);
528}
529EXPORT_SYMBOL(rtl_init_rfkill);
530
531void rtl_deinit_rfkill(struct ieee80211_hw *hw)
532{
533 wiphy_rfkill_stop_polling(hw->wiphy);
534}
535EXPORT_SYMBOL_GPL(rtl_deinit_rfkill);
536
537int rtl_init_core(struct ieee80211_hw *hw)
538{
539 struct rtl_priv *rtlpriv = rtl_priv(hw);
540 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
541
542 /* <1> init mac80211 */
543 _rtl_init_mac80211(hw);
544 rtlmac->hw = hw;
545
546 /* <2> rate control register */
547 hw->rate_control_algorithm = "rtl_rc";
548
549 /*
550 * <3> init CRDA must come after init
551 * mac80211 hw in _rtl_init_mac80211.
552 */
553 if (rtl_regd_init(hw, rtl_reg_notifier)) {
554 pr_err("REGD init failed\n");
555 return 1;
556 }
557
558 /* <4> locks */
559 mutex_init(&rtlpriv->locks.conf_mutex);
560 mutex_init(&rtlpriv->locks.ips_mutex);
561 mutex_init(&rtlpriv->locks.lps_mutex);
562 spin_lock_init(&rtlpriv->locks.irq_th_lock);
563 spin_lock_init(&rtlpriv->locks.h2c_lock);
564 spin_lock_init(&rtlpriv->locks.rf_ps_lock);
565 spin_lock_init(&rtlpriv->locks.rf_lock);
566 spin_lock_init(&rtlpriv->locks.waitq_lock);
567 spin_lock_init(&rtlpriv->locks.entry_list_lock);
568 spin_lock_init(&rtlpriv->locks.c2hcmd_lock);
569 spin_lock_init(&rtlpriv->locks.scan_list_lock);
570 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
571 spin_lock_init(&rtlpriv->locks.fw_ps_lock);
572 spin_lock_init(&rtlpriv->locks.iqk_lock);
573 /* <5> init list */
574 INIT_LIST_HEAD(&rtlpriv->entry_list);
575 INIT_LIST_HEAD(&rtlpriv->c2hcmd_list);
576 INIT_LIST_HEAD(&rtlpriv->scan_list.list);
577
578 rtlmac->link_state = MAC80211_NOLINK;
579
580 /* <6> init deferred work */
581 _rtl_init_deferred_work(hw);
582
583 return 0;
584}
585EXPORT_SYMBOL_GPL(rtl_init_core);
586
587static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw);
588
589void rtl_deinit_core(struct ieee80211_hw *hw)
590{
591 rtl_c2hcmd_launcher(hw, 0);
592 rtl_free_entries_from_scan_list(hw);
593}
594EXPORT_SYMBOL_GPL(rtl_deinit_core);
595
596void rtl_init_rx_config(struct ieee80211_hw *hw)
597{
598 struct rtl_priv *rtlpriv = rtl_priv(hw);
599 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
600
601 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
602}
603EXPORT_SYMBOL_GPL(rtl_init_rx_config);
604
605/*********************************************************
606 *
607 * tx information functions
608 *
609 *********************************************************/
610static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
611 struct rtl_tcb_desc *tcb_desc,
612 struct ieee80211_tx_info *info)
613{
614 struct rtl_priv *rtlpriv = rtl_priv(hw);
615 u8 rate_flag = info->control.rates[0].flags;
616
617 tcb_desc->use_shortpreamble = false;
618
619 /* 1M can only use Long Preamble. 11B spec */
620 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
621 return;
622 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
623 tcb_desc->use_shortpreamble = true;
624
625 return;
626}
627
628static void _rtl_query_shortgi(struct ieee80211_hw *hw,
629 struct ieee80211_sta *sta,
630 struct rtl_tcb_desc *tcb_desc,
631 struct ieee80211_tx_info *info)
632{
633 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
634 u8 rate_flag = info->control.rates[0].flags;
635 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
636 u8 sgi_80 = 0, bw_80 = 0;
637 tcb_desc->use_shortgi = false;
638
639 if (sta == NULL)
640 return;
641
642 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
643 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
644 sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80;
645
646 if ((!sta->ht_cap.ht_supported) && (!sta->vht_cap.vht_supported))
647 return;
648
649 if (!sgi_40 && !sgi_20)
650 return;
651
652 if (mac->opmode == NL80211_IFTYPE_STATION) {
653 bw_40 = mac->bw_40;
654 bw_80 = mac->bw_80;
655 } else if (mac->opmode == NL80211_IFTYPE_AP ||
656 mac->opmode == NL80211_IFTYPE_ADHOC ||
657 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
658 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
659 bw_80 = sta->vht_cap.vht_supported;
660 }
661
662 if (bw_80) {
663 if (sgi_80)
664 tcb_desc->use_shortgi = true;
665 else
666 tcb_desc->use_shortgi = false;
667 } else {
668 if (bw_40 && sgi_40)
669 tcb_desc->use_shortgi = true;
670 else if (!bw_40 && sgi_20)
671 tcb_desc->use_shortgi = true;
672 }
673
674 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
675 tcb_desc->use_shortgi = false;
676}
677
678static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
679 struct rtl_tcb_desc *tcb_desc,
680 struct ieee80211_tx_info *info)
681{
682 struct rtl_priv *rtlpriv = rtl_priv(hw);
683 u8 rate_flag = info->control.rates[0].flags;
684
685 /* Common Settings */
686 tcb_desc->rts_stbc = false;
687 tcb_desc->cts_enable = false;
688 tcb_desc->rts_sc = 0;
689 tcb_desc->rts_bw = false;
690 tcb_desc->rts_use_shortpreamble = false;
691 tcb_desc->rts_use_shortgi = false;
692
693 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
694 /* Use CTS-to-SELF in protection mode. */
695 tcb_desc->rts_enable = true;
696 tcb_desc->cts_enable = true;
697 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
698 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
699 /* Use RTS-CTS in protection mode. */
700 tcb_desc->rts_enable = true;
701 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
702 }
703}
704
705u8 rtl_mrate_idx_to_arfr_id(struct ieee80211_hw *hw, u8 rate_index,
706 enum wireless_mode wirelessmode)
707{
708 struct rtl_priv *rtlpriv = rtl_priv(hw);
709 struct rtl_phy *rtlphy = &rtlpriv->phy;
710 u8 ret = 0;
711
712 switch (rate_index) {
713 case RATR_INX_WIRELESS_NGB:
714 if (rtlphy->rf_type == RF_1T1R)
715 ret = RATEID_IDX_BGN_40M_1SS;
716 else
717 ret = RATEID_IDX_BGN_40M_2SS;
718 ; break;
719 case RATR_INX_WIRELESS_N:
720 case RATR_INX_WIRELESS_NG:
721 if (rtlphy->rf_type == RF_1T1R)
722 ret = RATEID_IDX_GN_N1SS;
723 else
724 ret = RATEID_IDX_GN_N2SS;
725 ; break;
726 case RATR_INX_WIRELESS_NB:
727 if (rtlphy->rf_type == RF_1T1R)
728 ret = RATEID_IDX_BGN_20M_1SS_BN;
729 else
730 ret = RATEID_IDX_BGN_20M_2SS_BN;
731 ; break;
732 case RATR_INX_WIRELESS_GB:
733 ret = RATEID_IDX_BG;
734 break;
735 case RATR_INX_WIRELESS_G:
736 ret = RATEID_IDX_G;
737 break;
738 case RATR_INX_WIRELESS_B:
739 ret = RATEID_IDX_B;
740 break;
741 case RATR_INX_WIRELESS_MC:
742 if (wirelessmode == WIRELESS_MODE_B ||
743 wirelessmode == WIRELESS_MODE_G ||
744 wirelessmode == WIRELESS_MODE_N_24G ||
745 wirelessmode == WIRELESS_MODE_AC_24G)
746 ret = RATEID_IDX_BG;
747 else
748 ret = RATEID_IDX_G;
749 break;
750 case RATR_INX_WIRELESS_AC_5N:
751 if (rtlphy->rf_type == RF_1T1R)
752 ret = RATEID_IDX_VHT_1SS;
753 else
754 ret = RATEID_IDX_VHT_2SS;
755 break;
756 case RATR_INX_WIRELESS_AC_24N:
757 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
758 if (rtlphy->rf_type == RF_1T1R)
759 ret = RATEID_IDX_VHT_1SS;
760 else
761 ret = RATEID_IDX_VHT_2SS;
762 } else {
763 if (rtlphy->rf_type == RF_1T1R)
764 ret = RATEID_IDX_MIX1;
765 else
766 ret = RATEID_IDX_MIX2;
767 }
768 break;
769 default:
770 ret = RATEID_IDX_BGN_40M_2SS;
771 break;
772 }
773 return ret;
774}
775EXPORT_SYMBOL(rtl_mrate_idx_to_arfr_id);
776
777static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
778 struct ieee80211_sta *sta,
779 struct rtl_tcb_desc *tcb_desc)
780{
781#define SET_RATE_ID(rate_id) \
782 ({typeof(rate_id) _id = rate_id; \
783 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \
784 rtl_mrate_idx_to_arfr_id(hw, _id, \
785 (sta_entry ? sta_entry->wireless_mode : \
786 WIRELESS_MODE_G)) : \
787 _id); })
788
789 struct rtl_priv *rtlpriv = rtl_priv(hw);
790 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
791 struct rtl_sta_info *sta_entry = NULL;
792 u8 ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC);
793
794 if (sta) {
795 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
796 ratr_index = sta_entry->ratr_index;
797 }
798 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
799 if (mac->opmode == NL80211_IFTYPE_STATION) {
800 tcb_desc->ratr_index = 0;
801 } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
802 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
803 if (tcb_desc->multicast || tcb_desc->broadcast) {
804 tcb_desc->hw_rate =
805 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
806 tcb_desc->use_driver_rate = 1;
807 tcb_desc->ratr_index =
808 SET_RATE_ID(RATR_INX_WIRELESS_MC);
809 } else {
810 tcb_desc->ratr_index = ratr_index;
811 }
812 } else if (mac->opmode == NL80211_IFTYPE_AP) {
813 tcb_desc->ratr_index = ratr_index;
814 }
815 }
816
817 if (rtlpriv->dm.useramask) {
818 tcb_desc->ratr_index = ratr_index;
819 /* TODO we will differentiate adhoc and station future */
820 if (mac->opmode == NL80211_IFTYPE_STATION ||
821 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
822 tcb_desc->mac_id = 0;
823
824 if (sta &&
825 (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID))
826 ; /* use sta_entry->ratr_index */
827 else if (mac->mode == WIRELESS_MODE_AC_5G)
828 tcb_desc->ratr_index =
829 SET_RATE_ID(RATR_INX_WIRELESS_AC_5N);
830 else if (mac->mode == WIRELESS_MODE_AC_24G)
831 tcb_desc->ratr_index =
832 SET_RATE_ID(RATR_INX_WIRELESS_AC_24N);
833 else if (mac->mode == WIRELESS_MODE_N_24G)
834 tcb_desc->ratr_index =
835 SET_RATE_ID(RATR_INX_WIRELESS_NGB);
836 else if (mac->mode == WIRELESS_MODE_N_5G)
837 tcb_desc->ratr_index =
838 SET_RATE_ID(RATR_INX_WIRELESS_NG);
839 else if (mac->mode & WIRELESS_MODE_G)
840 tcb_desc->ratr_index =
841 SET_RATE_ID(RATR_INX_WIRELESS_GB);
842 else if (mac->mode & WIRELESS_MODE_B)
843 tcb_desc->ratr_index =
844 SET_RATE_ID(RATR_INX_WIRELESS_B);
845 else if (mac->mode & WIRELESS_MODE_A)
846 tcb_desc->ratr_index =
847 SET_RATE_ID(RATR_INX_WIRELESS_G);
848
849 } else if (mac->opmode == NL80211_IFTYPE_AP ||
850 mac->opmode == NL80211_IFTYPE_ADHOC) {
851 if (NULL != sta) {
852 if (sta->aid > 0)
853 tcb_desc->mac_id = sta->aid + 1;
854 else
855 tcb_desc->mac_id = 1;
856 } else {
857 tcb_desc->mac_id = 0;
858 }
859 }
860 }
861#undef SET_RATE_ID
862}
863
864static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
865 struct ieee80211_sta *sta,
866 struct rtl_tcb_desc *tcb_desc)
867{
868 struct rtl_priv *rtlpriv = rtl_priv(hw);
869 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
870
871 tcb_desc->packet_bw = false;
872 if (!sta)
873 return;
874 if (mac->opmode == NL80211_IFTYPE_AP ||
875 mac->opmode == NL80211_IFTYPE_ADHOC ||
876 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
877 if (!(sta->ht_cap.ht_supported) ||
878 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
879 return;
880 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
881 if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
882 return;
883 }
884 if (tcb_desc->multicast || tcb_desc->broadcast)
885 return;
886
887 /*use legency rate, shall use 20MHz */
888 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
889 return;
890
891 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40;
892
893 if (rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT) {
894 if (mac->opmode == NL80211_IFTYPE_AP ||
895 mac->opmode == NL80211_IFTYPE_ADHOC ||
896 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
897 if (!(sta->vht_cap.vht_supported))
898 return;
899 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
900 if (!mac->bw_80 ||
901 !(sta->vht_cap.vht_supported))
902 return;
903 }
904 if (tcb_desc->hw_rate <=
905 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15])
906 return;
907 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80;
908 }
909}
910
911static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw,
912 struct ieee80211_sta *sta)
913{
914 struct rtl_priv *rtlpriv = rtl_priv(hw);
915 struct rtl_phy *rtlphy = &(rtlpriv->phy);
916 u8 hw_rate;
917 u16 tx_mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map);
918
919 if ((get_rf_type(rtlphy) == RF_2T2R) &&
920 (tx_mcs_map & 0x000c) != 0x000c) {
921 if ((tx_mcs_map & 0x000c) >> 2 ==
922 IEEE80211_VHT_MCS_SUPPORT_0_7)
923 hw_rate =
924 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7];
925 else if ((tx_mcs_map & 0x000c) >> 2 ==
926 IEEE80211_VHT_MCS_SUPPORT_0_8)
927 hw_rate =
928 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8];
929 else
930 hw_rate =
931 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
932 } else {
933 if ((tx_mcs_map & 0x0003) ==
934 IEEE80211_VHT_MCS_SUPPORT_0_7)
935 hw_rate =
936 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7];
937 else if ((tx_mcs_map & 0x0003) ==
938 IEEE80211_VHT_MCS_SUPPORT_0_8)
939 hw_rate =
940 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8];
941 else
942 hw_rate =
943 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
944 }
945
946 return hw_rate;
947}
948
949static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
950 struct ieee80211_sta *sta)
951{
952 struct rtl_priv *rtlpriv = rtl_priv(hw);
953 struct rtl_phy *rtlphy = &rtlpriv->phy;
954 u8 hw_rate;
955
956 if (get_rf_type(rtlphy) == RF_2T2R &&
957 sta->ht_cap.mcs.rx_mask[1] != 0)
958 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
959 else
960 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
961
962 return hw_rate;
963}
964
965/* mac80211's rate_idx is like this:
966 *
967 * 2.4G band:rx_status->band == NL80211_BAND_2GHZ
968 *
969 * B/G rate:
970 * (rx_status->flag & RX_FLAG_HT) = 0,
971 * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11,
972 *
973 * N rate:
974 * (rx_status->flag & RX_FLAG_HT) = 1,
975 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
976 *
977 * 5G band:rx_status->band == NL80211_BAND_5GHZ
978 * A rate:
979 * (rx_status->flag & RX_FLAG_HT) = 0,
980 * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7,
981 *
982 * N rate:
983 * (rx_status->flag & RX_FLAG_HT) = 1,
984 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
985 *
986 * VHT rates:
987 * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9
988 * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9
989 */
990int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht,
991 u8 desc_rate)
992{
993 int rate_idx;
994
995 if (isvht) {
996 switch (desc_rate) {
997 case DESC_RATEVHT1SS_MCS0:
998 rate_idx = 0;
999 break;
1000 case DESC_RATEVHT1SS_MCS1:
1001 rate_idx = 1;
1002 break;
1003 case DESC_RATEVHT1SS_MCS2:
1004 rate_idx = 2;
1005 break;
1006 case DESC_RATEVHT1SS_MCS3:
1007 rate_idx = 3;
1008 break;
1009 case DESC_RATEVHT1SS_MCS4:
1010 rate_idx = 4;
1011 break;
1012 case DESC_RATEVHT1SS_MCS5:
1013 rate_idx = 5;
1014 break;
1015 case DESC_RATEVHT1SS_MCS6:
1016 rate_idx = 6;
1017 break;
1018 case DESC_RATEVHT1SS_MCS7:
1019 rate_idx = 7;
1020 break;
1021 case DESC_RATEVHT1SS_MCS8:
1022 rate_idx = 8;
1023 break;
1024 case DESC_RATEVHT1SS_MCS9:
1025 rate_idx = 9;
1026 break;
1027 case DESC_RATEVHT2SS_MCS0:
1028 rate_idx = 0;
1029 break;
1030 case DESC_RATEVHT2SS_MCS1:
1031 rate_idx = 1;
1032 break;
1033 case DESC_RATEVHT2SS_MCS2:
1034 rate_idx = 2;
1035 break;
1036 case DESC_RATEVHT2SS_MCS3:
1037 rate_idx = 3;
1038 break;
1039 case DESC_RATEVHT2SS_MCS4:
1040 rate_idx = 4;
1041 break;
1042 case DESC_RATEVHT2SS_MCS5:
1043 rate_idx = 5;
1044 break;
1045 case DESC_RATEVHT2SS_MCS6:
1046 rate_idx = 6;
1047 break;
1048 case DESC_RATEVHT2SS_MCS7:
1049 rate_idx = 7;
1050 break;
1051 case DESC_RATEVHT2SS_MCS8:
1052 rate_idx = 8;
1053 break;
1054 case DESC_RATEVHT2SS_MCS9:
1055 rate_idx = 9;
1056 break;
1057 default:
1058 rate_idx = 0;
1059 break;
1060 }
1061 return rate_idx;
1062 }
1063 if (false == isht) {
1064 if (NL80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
1065 switch (desc_rate) {
1066 case DESC_RATE1M:
1067 rate_idx = 0;
1068 break;
1069 case DESC_RATE2M:
1070 rate_idx = 1;
1071 break;
1072 case DESC_RATE5_5M:
1073 rate_idx = 2;
1074 break;
1075 case DESC_RATE11M:
1076 rate_idx = 3;
1077 break;
1078 case DESC_RATE6M:
1079 rate_idx = 4;
1080 break;
1081 case DESC_RATE9M:
1082 rate_idx = 5;
1083 break;
1084 case DESC_RATE12M:
1085 rate_idx = 6;
1086 break;
1087 case DESC_RATE18M:
1088 rate_idx = 7;
1089 break;
1090 case DESC_RATE24M:
1091 rate_idx = 8;
1092 break;
1093 case DESC_RATE36M:
1094 rate_idx = 9;
1095 break;
1096 case DESC_RATE48M:
1097 rate_idx = 10;
1098 break;
1099 case DESC_RATE54M:
1100 rate_idx = 11;
1101 break;
1102 default:
1103 rate_idx = 0;
1104 break;
1105 }
1106 } else {
1107 switch (desc_rate) {
1108 case DESC_RATE6M:
1109 rate_idx = 0;
1110 break;
1111 case DESC_RATE9M:
1112 rate_idx = 1;
1113 break;
1114 case DESC_RATE12M:
1115 rate_idx = 2;
1116 break;
1117 case DESC_RATE18M:
1118 rate_idx = 3;
1119 break;
1120 case DESC_RATE24M:
1121 rate_idx = 4;
1122 break;
1123 case DESC_RATE36M:
1124 rate_idx = 5;
1125 break;
1126 case DESC_RATE48M:
1127 rate_idx = 6;
1128 break;
1129 case DESC_RATE54M:
1130 rate_idx = 7;
1131 break;
1132 default:
1133 rate_idx = 0;
1134 break;
1135 }
1136 }
1137 } else {
1138 switch (desc_rate) {
1139 case DESC_RATEMCS0:
1140 rate_idx = 0;
1141 break;
1142 case DESC_RATEMCS1:
1143 rate_idx = 1;
1144 break;
1145 case DESC_RATEMCS2:
1146 rate_idx = 2;
1147 break;
1148 case DESC_RATEMCS3:
1149 rate_idx = 3;
1150 break;
1151 case DESC_RATEMCS4:
1152 rate_idx = 4;
1153 break;
1154 case DESC_RATEMCS5:
1155 rate_idx = 5;
1156 break;
1157 case DESC_RATEMCS6:
1158 rate_idx = 6;
1159 break;
1160 case DESC_RATEMCS7:
1161 rate_idx = 7;
1162 break;
1163 case DESC_RATEMCS8:
1164 rate_idx = 8;
1165 break;
1166 case DESC_RATEMCS9:
1167 rate_idx = 9;
1168 break;
1169 case DESC_RATEMCS10:
1170 rate_idx = 10;
1171 break;
1172 case DESC_RATEMCS11:
1173 rate_idx = 11;
1174 break;
1175 case DESC_RATEMCS12:
1176 rate_idx = 12;
1177 break;
1178 case DESC_RATEMCS13:
1179 rate_idx = 13;
1180 break;
1181 case DESC_RATEMCS14:
1182 rate_idx = 14;
1183 break;
1184 case DESC_RATEMCS15:
1185 rate_idx = 15;
1186 break;
1187 default:
1188 rate_idx = 0;
1189 break;
1190 }
1191 }
1192 return rate_idx;
1193}
1194EXPORT_SYMBOL(rtlwifi_rate_mapping);
1195
1196static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw,
1197 struct ieee80211_tx_info *info)
1198{
1199 struct rtl_priv *rtlpriv = rtl_priv(hw);
1200 struct ieee80211_tx_rate *r = &info->status.rates[0];
1201 struct ieee80211_rate *txrate;
1202 u8 hw_value = 0x0;
1203
1204 if (r->flags & IEEE80211_TX_RC_MCS) {
1205 /* HT MCS0-15 */
1206 hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 +
1207 r->idx;
1208 } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) {
1209 /* VHT MCS0-9, NSS */
1210 if (ieee80211_rate_get_vht_nss(r) == 2)
1211 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
1212 else
1213 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
1214
1215 hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r);
1216 } else {
1217 /* legacy */
1218 txrate = ieee80211_get_tx_rate(hw, info);
1219
1220 if (txrate)
1221 hw_value = txrate->hw_value;
1222 }
1223
1224 /* check 5G band */
1225 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G &&
1226 hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M])
1227 hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M];
1228
1229 return hw_value;
1230}
1231
1232void rtl_get_tcb_desc(struct ieee80211_hw *hw,
1233 struct ieee80211_tx_info *info,
1234 struct ieee80211_sta *sta,
1235 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
1236{
1237#define SET_RATE_ID(rate_id) \
1238 ({typeof(rate_id) _id = rate_id; \
1239 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \
1240 rtl_mrate_idx_to_arfr_id(hw, _id, \
1241 (sta_entry ? sta_entry->wireless_mode : \
1242 WIRELESS_MODE_G)) : \
1243 _id); })
1244
1245 struct rtl_priv *rtlpriv = rtl_priv(hw);
1246 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
1247 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1248 struct rtl_sta_info *sta_entry =
1249 (sta ? (struct rtl_sta_info *)sta->drv_priv : NULL);
1250
1251 __le16 fc = rtl_get_fc(skb);
1252
1253 tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info);
1254
1255 if (rtl_is_tx_report_skb(hw, skb))
1256 tcb_desc->use_spe_rpt = 1;
1257
1258 if (ieee80211_is_data(fc)) {
1259 /*
1260 *we set data rate INX 0
1261 *in rtl_rc.c if skb is special data or
1262 *mgt which need low data rate.
1263 */
1264
1265 /*
1266 *So tcb_desc->hw_rate is just used for
1267 *special data and mgt frames
1268 */
1269 if (info->control.rates[0].idx == 0 ||
1270 ieee80211_is_nullfunc(fc)) {
1271 tcb_desc->use_driver_rate = true;
1272 tcb_desc->ratr_index =
1273 SET_RATE_ID(RATR_INX_WIRELESS_MC);
1274
1275 tcb_desc->disable_ratefallback = 1;
1276 } else {
1277 /*
1278 *because hw will nerver use hw_rate
1279 *when tcb_desc->use_driver_rate = false
1280 *so we never set highest N rate here,
1281 *and N rate will all be controlled by FW
1282 *when tcb_desc->use_driver_rate = false
1283 */
1284 if (sta && sta->vht_cap.vht_supported) {
1285 tcb_desc->hw_rate =
1286 _rtl_get_vht_highest_n_rate(hw, sta);
1287 } else {
1288 if (sta && sta->ht_cap.ht_supported) {
1289 tcb_desc->hw_rate =
1290 _rtl_get_highest_n_rate(hw, sta);
1291 } else {
1292 if (rtlmac->mode == WIRELESS_MODE_B) {
1293 tcb_desc->hw_rate =
1294 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
1295 } else {
1296 tcb_desc->hw_rate =
1297 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
1298 }
1299 }
1300 }
1301 }
1302
1303 if (is_multicast_ether_addr(hdr->addr1))
1304 tcb_desc->multicast = 1;
1305 else if (is_broadcast_ether_addr(hdr->addr1))
1306 tcb_desc->broadcast = 1;
1307
1308 _rtl_txrate_selectmode(hw, sta, tcb_desc);
1309 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
1310 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
1311 _rtl_query_shortgi(hw, sta, tcb_desc, info);
1312 _rtl_query_protection_mode(hw, tcb_desc, info);
1313 } else {
1314 tcb_desc->use_driver_rate = true;
1315 tcb_desc->ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC);
1316 tcb_desc->disable_ratefallback = 1;
1317 tcb_desc->mac_id = 0;
1318 tcb_desc->packet_bw = false;
1319 }
1320#undef SET_RATE_ID
1321}
1322EXPORT_SYMBOL(rtl_get_tcb_desc);
1323
1324bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
1325{
1326 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1327 struct rtl_priv *rtlpriv = rtl_priv(hw);
1328 __le16 fc = rtl_get_fc(skb);
1329
1330 if (rtlpriv->dm.supp_phymode_switch &&
1331 mac->link_state < MAC80211_LINKED &&
1332 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
1333 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1334 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1335 }
1336 if (ieee80211_is_auth(fc)) {
1337 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n");
1338
1339 mac->link_state = MAC80211_LINKING;
1340 /* Dul mac */
1341 rtlpriv->phy.need_iqk = true;
1342
1343 }
1344
1345 return true;
1346}
1347EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc);
1348
1349struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
1350 u8 *bssid, u16 tid);
1351
1352static void process_agg_start(struct ieee80211_hw *hw,
1353 struct ieee80211_hdr *hdr, u16 tid)
1354{
1355 struct rtl_priv *rtlpriv = rtl_priv(hw);
1356 struct ieee80211_rx_status rx_status = { 0 };
1357 struct sk_buff *skb_delba = NULL;
1358
1359 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid);
1360 if (skb_delba) {
1361 rx_status.freq = hw->conf.chandef.chan->center_freq;
1362 rx_status.band = hw->conf.chandef.chan->band;
1363 rx_status.flag |= RX_FLAG_DECRYPTED;
1364 rx_status.flag |= RX_FLAG_MACTIME_START;
1365 rx_status.rate_idx = 0;
1366 rx_status.signal = 50 + 10;
1367 memcpy(IEEE80211_SKB_RXCB(skb_delba),
1368 &rx_status, sizeof(rx_status));
1369 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
1370 "fake del\n",
1371 skb_delba->data,
1372 skb_delba->len);
1373 ieee80211_rx_irqsafe(hw, skb_delba);
1374 }
1375}
1376
1377bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
1378{
1379 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1380 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1381 struct rtl_priv *rtlpriv = rtl_priv(hw);
1382 __le16 fc = rtl_get_fc(skb);
1383 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN));
1384 u8 category;
1385
1386 if (!ieee80211_is_action(fc))
1387 return true;
1388
1389 category = *act;
1390 act++;
1391 switch (category) {
1392 case ACT_CAT_BA:
1393 switch (*act) {
1394 case ACT_ADDBAREQ:
1395 if (mac->act_scanning)
1396 return false;
1397
1398 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1399 "%s ACT_ADDBAREQ From :%pM\n",
1400 is_tx ? "Tx" : "Rx", hdr->addr2);
1401 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n",
1402 skb->data, skb->len);
1403 if (!is_tx) {
1404 struct ieee80211_sta *sta = NULL;
1405 struct rtl_sta_info *sta_entry = NULL;
1406 struct rtl_tid_data *tid_data;
1407 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1408 u16 capab = 0, tid = 0;
1409
1410 rcu_read_lock();
1411 sta = rtl_find_sta(hw, hdr->addr3);
1412 if (sta == NULL) {
1413 RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV,
1414 DBG_DMESG, "sta is NULL\n");
1415 rcu_read_unlock();
1416 return true;
1417 }
1418
1419 sta_entry =
1420 (struct rtl_sta_info *)sta->drv_priv;
1421 if (!sta_entry) {
1422 rcu_read_unlock();
1423 return true;
1424 }
1425 capab =
1426 le16_to_cpu(mgmt->u.action.u.addba_req.capab);
1427 tid = (capab &
1428 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
1429 if (tid >= MAX_TID_COUNT) {
1430 rcu_read_unlock();
1431 return true;
1432 }
1433 tid_data = &sta_entry->tids[tid];
1434 if (tid_data->agg.rx_agg_state ==
1435 RTL_RX_AGG_START)
1436 process_agg_start(hw, hdr, tid);
1437 rcu_read_unlock();
1438 }
1439 break;
1440 case ACT_ADDBARSP:
1441 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1442 "%s ACT_ADDBARSP From :%pM\n",
1443 is_tx ? "Tx" : "Rx", hdr->addr2);
1444 break;
1445 case ACT_DELBA:
1446 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1447 "ACT_ADDBADEL From :%pM\n", hdr->addr2);
1448 break;
1449 }
1450 break;
1451 default:
1452 break;
1453 }
1454
1455 return true;
1456}
1457EXPORT_SYMBOL_GPL(rtl_action_proc);
1458
1459static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc,
1460 int type)
1461{
1462 struct ieee80211_hw *hw = rtlpriv->hw;
1463
1464 rtlpriv->ra.is_special_data = true;
1465 if (rtlpriv->cfg->ops->get_btc_status())
1466 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify(
1467 rtlpriv, type);
1468 rtl_lps_leave(hw);
1469 ppsc->last_delaylps_stamp_jiffies = jiffies;
1470}
1471
1472static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw,
1473 struct sk_buff *skb, bool is_enc)
1474{
1475 struct rtl_priv *rtlpriv = rtl_priv(hw);
1476 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
1477 u8 encrypt_header_len = 0;
1478 u8 offset;
1479
1480 switch (rtlpriv->sec.pairwise_enc_algorithm) {
1481 case WEP40_ENCRYPTION:
1482 case WEP104_ENCRYPTION:
1483 encrypt_header_len = 4;/*WEP_IV_LEN*/
1484 break;
1485 case TKIP_ENCRYPTION:
1486 encrypt_header_len = 8;/*TKIP_IV_LEN*/
1487 break;
1488 case AESCCMP_ENCRYPTION:
1489 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/
1490 break;
1491 default:
1492 break;
1493 }
1494
1495 offset = mac_hdr_len + SNAP_SIZE;
1496 if (is_enc)
1497 offset += encrypt_header_len;
1498
1499 return skb->data + offset;
1500}
1501
1502/*should call before software enc*/
1503u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
1504 bool is_enc)
1505{
1506 struct rtl_priv *rtlpriv = rtl_priv(hw);
1507 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1508 __le16 fc = rtl_get_fc(skb);
1509 u16 ether_type;
1510 const u8 *ether_type_ptr;
1511 const struct iphdr *ip;
1512
1513 if (!ieee80211_is_data(fc))
1514 goto end;
1515
1516 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc);
1517 ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
1518
1519 if (ETH_P_IP == ether_type) {
1520 ip = (struct iphdr *)((u8 *)ether_type_ptr +
1521 PROTOC_TYPE_SIZE);
1522 if (IPPROTO_UDP == ip->protocol) {
1523 struct udphdr *udp = (struct udphdr *)((u8 *)ip +
1524 (ip->ihl << 2));
1525 if (((((u8 *)udp)[1] == 68) &&
1526 (((u8 *)udp)[3] == 67)) ||
1527 ((((u8 *)udp)[1] == 67) &&
1528 (((u8 *)udp)[3] == 68))) {
1529 /* 68 : UDP BOOTP client
1530 * 67 : UDP BOOTP server
1531 */
1532 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV),
1533 DBG_DMESG, "dhcp %s !!\n",
1534 (is_tx) ? "Tx" : "Rx");
1535
1536 if (is_tx)
1537 setup_special_tx(rtlpriv, ppsc,
1538 PACKET_DHCP);
1539
1540 return true;
1541 }
1542 }
1543 } else if (ETH_P_ARP == ether_type) {
1544 if (is_tx)
1545 setup_special_tx(rtlpriv, ppsc, PACKET_ARP);
1546
1547 return true;
1548 } else if (ETH_P_PAE == ether_type) {
1549 /* EAPOL is seens as in-4way */
1550 rtlpriv->btcoexist.btc_info.in_4way = true;
1551 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;
1552
1553 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1554 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx");
1555
1556 if (is_tx) {
1557 rtlpriv->ra.is_special_data = true;
1558 rtl_lps_leave(hw);
1559 ppsc->last_delaylps_stamp_jiffies = jiffies;
1560
1561 setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL);
1562 }
1563
1564 return true;
1565 } else if (ETH_P_IPV6 == ether_type) {
1566 /* TODO: Handle any IPv6 cases that need special handling.
1567 * For now, always return false
1568 */
1569 goto end;
1570 }
1571
1572end:
1573 rtlpriv->ra.is_special_data = false;
1574 return false;
1575}
1576EXPORT_SYMBOL_GPL(rtl_is_special_data);
1577
1578bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb)
1579{
1580 u16 ether_type;
1581 const u8 *ether_type_ptr;
1582
1583 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true);
1584 ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
1585
1586 /* EAPOL */
1587 if (ether_type == ETH_P_PAE)
1588 return true;
1589
1590 return false;
1591}
1592
1593static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw)
1594{
1595 struct rtl_priv *rtlpriv = rtl_priv(hw);
1596 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1597 u16 sn;
1598
1599 /* SW_DEFINE[11:8] are reserved (driver fills zeros)
1600 * SW_DEFINE[7:2] are used by driver
1601 * SW_DEFINE[1:0] are reserved for firmware (driver fills zeros)
1602 */
1603 sn = (atomic_inc_return(&tx_report->sn) & 0x003F) << 2;
1604
1605 tx_report->last_sent_sn = sn;
1606 tx_report->last_sent_time = jiffies;
1607
1608 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
1609 "Send TX-Report sn=0x%X\n", sn);
1610
1611 return sn;
1612}
1613
1614void rtl_get_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc,
1615 struct ieee80211_hw *hw)
1616{
1617 if (ptcb_desc->use_spe_rpt) {
1618 u16 sn = rtl_get_tx_report_sn(hw);
1619
1620 SET_TX_DESC_SPE_RPT(pdesc, 1);
1621 SET_TX_DESC_SW_DEFINE(pdesc, sn);
1622 }
1623}
1624EXPORT_SYMBOL_GPL(rtl_get_tx_report);
1625
1626void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len)
1627{
1628 struct rtl_priv *rtlpriv = rtl_priv(hw);
1629 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1630 u16 sn;
1631 u8 st, retry;
1632
1633 if (rtlpriv->cfg->spec_ver & RTL_SPEC_EXT_C2H) {
1634 sn = GET_TX_REPORT_SN_V2(tmp_buf);
1635 st = GET_TX_REPORT_ST_V2(tmp_buf);
1636 retry = GET_TX_REPORT_RETRY_V2(tmp_buf);
1637 } else {
1638 sn = GET_TX_REPORT_SN_V1(tmp_buf);
1639 st = GET_TX_REPORT_ST_V1(tmp_buf);
1640 retry = GET_TX_REPORT_RETRY_V1(tmp_buf);
1641 }
1642
1643 tx_report->last_recv_sn = sn;
1644
1645 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
1646 "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n",
1647 st, sn, retry);
1648}
1649EXPORT_SYMBOL_GPL(rtl_tx_report_handler);
1650
1651bool rtl_check_tx_report_acked(struct ieee80211_hw *hw)
1652{
1653 struct rtl_priv *rtlpriv = rtl_priv(hw);
1654 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1655
1656 if (tx_report->last_sent_sn == tx_report->last_recv_sn)
1657 return true;
1658
1659 if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) {
1660 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_WARNING,
1661 "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n",
1662 tx_report->last_sent_sn, tx_report->last_recv_sn);
1663 return true; /* 3 sec. (timeout) seen as acked */
1664 }
1665
1666 return false;
1667}
1668
1669void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms)
1670{
1671 struct rtl_priv *rtlpriv = rtl_priv(hw);
1672 int i;
1673
1674 for (i = 0; i < wait_ms; i++) {
1675 if (rtl_check_tx_report_acked(hw))
1676 break;
1677 usleep_range(1000, 2000);
1678 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1679 "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms);
1680 }
1681}
1682
1683u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw,
1684 struct ieee80211_vif *vif,
1685 enum wireless_mode wirelessmode,
1686 struct ieee80211_tx_queue_params *param)
1687{
1688 u32 reg = 0;
1689 u8 sifstime = 10;
1690 u8 slottime = 20;
1691
1692 /* AIFS = AIFSN * slot time + SIFS */
1693 switch (wirelessmode) {
1694 case WIRELESS_MODE_A:
1695 case WIRELESS_MODE_N_24G:
1696 case WIRELESS_MODE_N_5G:
1697 case WIRELESS_MODE_AC_5G:
1698 case WIRELESS_MODE_AC_24G:
1699 sifstime = 16;
1700 slottime = 9;
1701 break;
1702 case WIRELESS_MODE_G:
1703 slottime = (vif->bss_conf.use_short_slot ? 9 : 20);
1704 break;
1705 default:
1706 break;
1707 }
1708
1709 reg |= (param->txop & 0x7FF) << 16;
1710 reg |= (fls(param->cw_max) & 0xF) << 12;
1711 reg |= (fls(param->cw_min) & 0xF) << 8;
1712 reg |= (param->aifs & 0x0F) * slottime + sifstime;
1713
1714 return reg;
1715}
1716EXPORT_SYMBOL_GPL(rtl_get_hal_edca_param);
1717
1718/*********************************************************
1719 *
1720 * functions called by core.c
1721 *
1722 *********************************************************/
1723int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1724 struct ieee80211_sta *sta, u16 tid, u16 *ssn)
1725{
1726 struct rtl_priv *rtlpriv = rtl_priv(hw);
1727 struct rtl_tid_data *tid_data;
1728 struct rtl_sta_info *sta_entry = NULL;
1729
1730 if (sta == NULL)
1731 return -EINVAL;
1732
1733 if (unlikely(tid >= MAX_TID_COUNT))
1734 return -EINVAL;
1735
1736 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1737 if (!sta_entry)
1738 return -ENXIO;
1739 tid_data = &sta_entry->tids[tid];
1740
1741 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1742 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1743 *ssn);
1744
1745 tid_data->agg.agg_state = RTL_AGG_START;
1746
1747 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1748 return 0;
1749}
1750
1751int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1752 struct ieee80211_sta *sta, u16 tid)
1753{
1754 struct rtl_priv *rtlpriv = rtl_priv(hw);
1755 struct rtl_sta_info *sta_entry = NULL;
1756
1757 if (sta == NULL)
1758 return -EINVAL;
1759
1760 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1761 "on ra = %pM tid = %d\n", sta->addr, tid);
1762
1763 if (unlikely(tid >= MAX_TID_COUNT))
1764 return -EINVAL;
1765
1766 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1767 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1768
1769 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1770 return 0;
1771}
1772
1773int rtl_rx_agg_start(struct ieee80211_hw *hw,
1774 struct ieee80211_sta *sta, u16 tid)
1775{
1776 struct rtl_priv *rtlpriv = rtl_priv(hw);
1777 struct rtl_tid_data *tid_data;
1778 struct rtl_sta_info *sta_entry = NULL;
1779 u8 reject_agg;
1780
1781 if (sta == NULL)
1782 return -EINVAL;
1783
1784 if (unlikely(tid >= MAX_TID_COUNT))
1785 return -EINVAL;
1786
1787 if (rtlpriv->cfg->ops->get_btc_status()) {
1788 rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv,
1789 &reject_agg,
1790 NULL, NULL);
1791 if (reject_agg)
1792 return -EINVAL;
1793 }
1794
1795 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1796 if (!sta_entry)
1797 return -ENXIO;
1798 tid_data = &sta_entry->tids[tid];
1799
1800 RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG,
1801 "on ra = %pM tid = %d\n", sta->addr, tid);
1802
1803 tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1804 return 0;
1805}
1806
1807int rtl_rx_agg_stop(struct ieee80211_hw *hw,
1808 struct ieee80211_sta *sta, u16 tid)
1809{
1810 struct rtl_priv *rtlpriv = rtl_priv(hw);
1811 struct rtl_sta_info *sta_entry = NULL;
1812
1813 if (sta == NULL)
1814 return -EINVAL;
1815
1816 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1817 "on ra = %pM tid = %d\n", sta->addr, tid);
1818
1819 if (unlikely(tid >= MAX_TID_COUNT))
1820 return -EINVAL;
1821
1822 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1823 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
1824
1825 return 0;
1826}
1827int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1828 struct ieee80211_sta *sta, u16 tid)
1829{
1830 struct rtl_priv *rtlpriv = rtl_priv(hw);
1831 struct rtl_sta_info *sta_entry = NULL;
1832
1833 if (sta == NULL)
1834 return -EINVAL;
1835
1836 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1837 "on ra = %pM tid = %d\n", sta->addr, tid);
1838
1839 if (unlikely(tid >= MAX_TID_COUNT))
1840 return -EINVAL;
1841
1842 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1843 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1844
1845 return 0;
1846}
1847
1848void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv)
1849{
1850 struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
1851 u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0;
1852
1853 if (rtlpriv->cfg->ops->get_btc_status())
1854 btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg,
1855 &ctrl_agg_size, &agg_size);
1856
1857 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG,
1858 "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d",
1859 reject_agg, ctrl_agg_size, agg_size);
1860
1861 rtlpriv->hw->max_rx_aggregation_subframes =
1862 (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF);
1863}
1864EXPORT_SYMBOL(rtl_rx_ampdu_apply);
1865
1866/*********************************************************
1867 *
1868 * wq & timer callback functions
1869 *
1870 *********************************************************/
1871/* this function is used for roaming */
1872void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1873{
1874 struct rtl_priv *rtlpriv = rtl_priv(hw);
1875 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1876
1877 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1878 return;
1879
1880 if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1881 return;
1882
1883 /* check if this really is a beacon */
1884 if (!ieee80211_is_beacon(hdr->frame_control) &&
1885 !ieee80211_is_probe_resp(hdr->frame_control))
1886 return;
1887
1888 /* min. beacon length + FCS_LEN */
1889 if (skb->len <= 40 + FCS_LEN)
1890 return;
1891
1892 /* and only beacons from the associated BSSID, please */
1893 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1894 return;
1895
1896 rtlpriv->link_info.bcn_rx_inperiod++;
1897}
1898EXPORT_SYMBOL_GPL(rtl_beacon_statistic);
1899
1900static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw)
1901{
1902 struct rtl_priv *rtlpriv = rtl_priv(hw);
1903 struct rtl_bssid_entry *entry, *next;
1904
1905 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
1906 list_del(&entry->list);
1907 kfree(entry);
1908 rtlpriv->scan_list.num--;
1909 }
1910}
1911
1912void rtl_scan_list_expire(struct ieee80211_hw *hw)
1913{
1914 struct rtl_priv *rtlpriv = rtl_priv(hw);
1915 struct rtl_bssid_entry *entry, *next;
1916 unsigned long flags;
1917
1918 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
1919
1920 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
1921 /* 180 seconds */
1922 if (jiffies_to_msecs(jiffies - entry->age) < 180000)
1923 continue;
1924
1925 list_del(&entry->list);
1926 rtlpriv->scan_list.num--;
1927
1928 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
1929 "BSSID=%pM is expire in scan list (total=%d)\n",
1930 entry->bssid, rtlpriv->scan_list.num);
1931 kfree(entry);
1932 }
1933
1934 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags);
1935
1936 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1937}
1938
1939void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb)
1940{
1941 struct rtl_priv *rtlpriv = rtl_priv(hw);
1942 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1943 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1944 unsigned long flags;
1945
1946 struct rtl_bssid_entry *entry;
1947 bool entry_found = false;
1948
1949 /* check if it is scanning */
1950 if (!mac->act_scanning)
1951 return;
1952
1953 /* check if this really is a beacon */
1954 if (!ieee80211_is_beacon(hdr->frame_control) &&
1955 !ieee80211_is_probe_resp(hdr->frame_control))
1956 return;
1957
1958 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
1959
1960 list_for_each_entry(entry, &rtlpriv->scan_list.list, list) {
1961 if (memcmp(entry->bssid, hdr->addr3, ETH_ALEN) == 0) {
1962 list_del_init(&entry->list);
1963 entry_found = true;
1964 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
1965 "Update BSSID=%pM to scan list (total=%d)\n",
1966 hdr->addr3, rtlpriv->scan_list.num);
1967 break;
1968 }
1969 }
1970
1971 if (!entry_found) {
1972 entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
1973
1974 if (!entry)
1975 goto label_err;
1976
1977 memcpy(entry->bssid, hdr->addr3, ETH_ALEN);
1978 rtlpriv->scan_list.num++;
1979
1980 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
1981 "Add BSSID=%pM to scan list (total=%d)\n",
1982 hdr->addr3, rtlpriv->scan_list.num);
1983 }
1984
1985 entry->age = jiffies;
1986
1987 list_add_tail(&entry->list, &rtlpriv->scan_list.list);
1988
1989label_err:
1990 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags);
1991}
1992EXPORT_SYMBOL(rtl_collect_scan_list);
1993
1994void rtl_watchdog_wq_callback(void *data)
1995{
1996 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
1997 struct rtl_works,
1998 watchdog_wq);
1999 struct ieee80211_hw *hw = rtlworks->hw;
2000 struct rtl_priv *rtlpriv = rtl_priv(hw);
2001 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2002 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2003 bool busytraffic = false;
2004 bool tx_busy_traffic = false;
2005 bool rx_busy_traffic = false;
2006 bool higher_busytraffic = false;
2007 bool higher_busyrxtraffic = false;
2008 u8 idx, tid;
2009 u32 rx_cnt_inp4eriod = 0;
2010 u32 tx_cnt_inp4eriod = 0;
2011 u32 aver_rx_cnt_inperiod = 0;
2012 u32 aver_tx_cnt_inperiod = 0;
2013 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
2014 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
2015
2016 if (is_hal_stop(rtlhal))
2017 return;
2018
2019 /* <1> Determine if action frame is allowed */
2020 if (mac->link_state > MAC80211_NOLINK) {
2021 if (mac->cnt_after_linked < 20)
2022 mac->cnt_after_linked++;
2023 } else {
2024 mac->cnt_after_linked = 0;
2025 }
2026
2027 /* <2> to check if traffic busy, if
2028 * busytraffic we don't change channel
2029 */
2030 if (mac->link_state >= MAC80211_LINKED) {
2031
2032 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
2033 for (idx = 0; idx <= 2; idx++) {
2034 rtlpriv->link_info.num_rx_in4period[idx] =
2035 rtlpriv->link_info.num_rx_in4period[idx + 1];
2036 rtlpriv->link_info.num_tx_in4period[idx] =
2037 rtlpriv->link_info.num_tx_in4period[idx + 1];
2038 }
2039 rtlpriv->link_info.num_rx_in4period[3] =
2040 rtlpriv->link_info.num_rx_inperiod;
2041 rtlpriv->link_info.num_tx_in4period[3] =
2042 rtlpriv->link_info.num_tx_inperiod;
2043 for (idx = 0; idx <= 3; idx++) {
2044 rx_cnt_inp4eriod +=
2045 rtlpriv->link_info.num_rx_in4period[idx];
2046 tx_cnt_inp4eriod +=
2047 rtlpriv->link_info.num_tx_in4period[idx];
2048 }
2049 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
2050 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
2051
2052 /* (2) check traffic busy */
2053 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
2054 busytraffic = true;
2055 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
2056 rx_busy_traffic = true;
2057 else
2058 tx_busy_traffic = false;
2059 }
2060
2061 /* Higher Tx/Rx data. */
2062 if (aver_rx_cnt_inperiod > 4000 ||
2063 aver_tx_cnt_inperiod > 4000) {
2064 higher_busytraffic = true;
2065
2066 /* Extremely high Rx data. */
2067 if (aver_rx_cnt_inperiod > 5000)
2068 higher_busyrxtraffic = true;
2069 }
2070
2071 /* check every tid's tx traffic */
2072 for (tid = 0; tid <= 7; tid++) {
2073 for (idx = 0; idx <= 2; idx++)
2074 rtlpriv->link_info.tidtx_in4period[tid][idx] =
2075 rtlpriv->link_info.tidtx_in4period[tid]
2076 [idx + 1];
2077 rtlpriv->link_info.tidtx_in4period[tid][3] =
2078 rtlpriv->link_info.tidtx_inperiod[tid];
2079
2080 for (idx = 0; idx <= 3; idx++)
2081 tidtx_inp4eriod[tid] +=
2082 rtlpriv->link_info.tidtx_in4period[tid][idx];
2083 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
2084 if (aver_tidtx_inperiod[tid] > 5000)
2085 rtlpriv->link_info.higher_busytxtraffic[tid] =
2086 true;
2087 else
2088 rtlpriv->link_info.higher_busytxtraffic[tid] =
2089 false;
2090 }
2091
2092 /* PS is controlled by coex. */
2093 if (rtlpriv->cfg->ops->get_btc_status() &&
2094 rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv))
2095 goto label_lps_done;
2096
2097 if (rtlpriv->link_info.num_rx_inperiod +
2098 rtlpriv->link_info.num_tx_inperiod > 8 ||
2099 rtlpriv->link_info.num_rx_inperiod > 2)
2100 rtl_lps_leave(hw);
2101 else
2102 rtl_lps_enter(hw);
2103
2104label_lps_done:
2105 ;
2106 }
2107
2108 rtlpriv->link_info.num_rx_inperiod = 0;
2109 rtlpriv->link_info.num_tx_inperiod = 0;
2110 for (tid = 0; tid <= 7; tid++)
2111 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
2112
2113 rtlpriv->link_info.busytraffic = busytraffic;
2114 rtlpriv->link_info.higher_busytraffic = higher_busytraffic;
2115 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic;
2116 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic;
2117 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic;
2118
2119 rtlpriv->stats.txbytesunicast_inperiod =
2120 rtlpriv->stats.txbytesunicast -
2121 rtlpriv->stats.txbytesunicast_last;
2122 rtlpriv->stats.rxbytesunicast_inperiod =
2123 rtlpriv->stats.rxbytesunicast -
2124 rtlpriv->stats.rxbytesunicast_last;
2125 rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast;
2126 rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast;
2127
2128 rtlpriv->stats.txbytesunicast_inperiod_tp =
2129 (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 /
2130 1024 / 1024);
2131 rtlpriv->stats.rxbytesunicast_inperiod_tp =
2132 (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 /
2133 1024 / 1024);
2134
2135 /* <3> DM */
2136 if (!rtlpriv->cfg->mod_params->disable_watchdog)
2137 rtlpriv->cfg->ops->dm_watchdog(hw);
2138
2139 /* <4> roaming */
2140 if (mac->link_state == MAC80211_LINKED &&
2141 mac->opmode == NL80211_IFTYPE_STATION) {
2142 if ((rtlpriv->link_info.bcn_rx_inperiod +
2143 rtlpriv->link_info.num_rx_inperiod) == 0) {
2144 rtlpriv->link_info.roam_times++;
2145 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
2146 "AP off for %d s\n",
2147 (rtlpriv->link_info.roam_times * 2));
2148
2149 /* if we can't recv beacon for 10s,
2150 * we should reconnect this AP
2151 */
2152 if (rtlpriv->link_info.roam_times >= 5) {
2153 pr_err("AP off, try to reconnect now\n");
2154 rtlpriv->link_info.roam_times = 0;
2155 ieee80211_connection_loss(
2156 rtlpriv->mac80211.vif);
2157 }
2158 } else {
2159 rtlpriv->link_info.roam_times = 0;
2160 }
2161 }
2162
2163 if (rtlpriv->cfg->ops->get_btc_status())
2164 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv);
2165
2166 if (rtlpriv->btcoexist.btc_info.in_4way) {
2167 if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts +
2168 msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME)))
2169 rtlpriv->btcoexist.btc_info.in_4way = false;
2170 }
2171
2172 rtlpriv->link_info.bcn_rx_inperiod = 0;
2173
2174 /* <6> scan list */
2175 rtl_scan_list_expire(hw);
2176}
2177
2178void rtl_watch_dog_timer_callback(struct timer_list *t)
2179{
2180 struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer);
2181
2182 queue_delayed_work(rtlpriv->works.rtl_wq,
2183 &rtlpriv->works.watchdog_wq, 0);
2184
2185 mod_timer(&rtlpriv->works.watchdog_timer,
2186 jiffies + MSECS(RTL_WATCH_DOG_TIME));
2187}
2188void rtl_fwevt_wq_callback(void *data)
2189{
2190 struct rtl_works *rtlworks =
2191 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
2192 struct ieee80211_hw *hw = rtlworks->hw;
2193 struct rtl_priv *rtlpriv = rtl_priv(hw);
2194
2195 rtlpriv->cfg->ops->c2h_command_handle(hw);
2196}
2197
2198void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, u8 tag, u8 len, u8 *val)
2199{
2200 struct rtl_priv *rtlpriv = rtl_priv(hw);
2201 unsigned long flags;
2202 struct rtl_c2hcmd *c2hcmd;
2203
2204 c2hcmd = kmalloc(sizeof(*c2hcmd),
2205 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
2206
2207 if (!c2hcmd)
2208 goto label_err;
2209
2210 c2hcmd->val = kmalloc(len,
2211 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
2212
2213 if (!c2hcmd->val)
2214 goto label_err2;
2215
2216 /* fill data */
2217 c2hcmd->tag = tag;
2218 c2hcmd->len = len;
2219 memcpy(c2hcmd->val, val, len);
2220
2221 /* enqueue */
2222 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags);
2223
2224 list_add_tail(&c2hcmd->list, &rtlpriv->c2hcmd_list);
2225
2226 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags);
2227
2228 /* wake up wq */
2229 queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0);
2230
2231 return;
2232
2233label_err2:
2234 kfree(c2hcmd);
2235
2236label_err:
2237 RT_TRACE(rtlpriv, COMP_CMD, DBG_WARNING,
2238 "C2H cmd enqueue fail.\n");
2239}
2240EXPORT_SYMBOL(rtl_c2hcmd_enqueue);
2241
2242void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec)
2243{
2244 struct rtl_priv *rtlpriv = rtl_priv(hw);
2245 unsigned long flags;
2246 struct rtl_c2hcmd *c2hcmd;
2247 int i;
2248
2249 for (i = 0; i < 200; i++) {
2250 /* dequeue a task */
2251 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags);
2252
2253 c2hcmd = list_first_entry_or_null(&rtlpriv->c2hcmd_list,
2254 struct rtl_c2hcmd, list);
2255
2256 if (c2hcmd)
2257 list_del(&c2hcmd->list);
2258
2259 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags);
2260
2261 /* do it */
2262 if (!c2hcmd)
2263 break;
2264
2265 if (rtlpriv->cfg->ops->c2h_content_parsing && exec)
2266 rtlpriv->cfg->ops->c2h_content_parsing(hw,
2267 c2hcmd->tag, c2hcmd->len, c2hcmd->val);
2268
2269 /* free */
2270 kfree(c2hcmd->val);
2271
2272 kfree(c2hcmd);
2273 }
2274}
2275
2276void rtl_c2hcmd_wq_callback(void *data)
2277{
2278 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
2279 struct rtl_works,
2280 c2hcmd_wq);
2281 struct ieee80211_hw *hw = rtlworks->hw;
2282
2283 rtl_c2hcmd_launcher(hw, 1);
2284}
2285
2286void rtl_easy_concurrent_retrytimer_callback(struct timer_list *t)
2287{
2288 struct rtl_priv *rtlpriv =
2289 from_timer(rtlpriv, t, works.dualmac_easyconcurrent_retrytimer);
2290 struct ieee80211_hw *hw = rtlpriv->hw;
2291 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
2292
2293 if (buddy_priv == NULL)
2294 return;
2295
2296 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw);
2297}
2298/*********************************************************
2299 *
2300 * frame process functions
2301 *
2302 *********************************************************/
2303u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
2304{
2305 struct ieee80211_mgmt *mgmt = (void *)data;
2306 u8 *pos, *end;
2307
2308 pos = (u8 *)mgmt->u.beacon.variable;
2309 end = data + len;
2310 while (pos < end) {
2311 if (pos + 2 + pos[1] > end)
2312 return NULL;
2313
2314 if (pos[0] == ie)
2315 return pos;
2316
2317 pos += 2 + pos[1];
2318 }
2319 return NULL;
2320}
2321
2322/* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
2323/* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
2324static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
2325 enum ieee80211_smps_mode smps,
2326 u8 *da, u8 *bssid)
2327{
2328 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
2329 struct sk_buff *skb;
2330 struct ieee80211_mgmt *action_frame;
2331
2332 /* 27 = header + category + action + smps mode */
2333 skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
2334 if (!skb)
2335 return NULL;
2336
2337 skb_reserve(skb, hw->extra_tx_headroom);
2338 action_frame = skb_put_zero(skb, 27);
2339 memcpy(action_frame->da, da, ETH_ALEN);
2340 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
2341 memcpy(action_frame->bssid, bssid, ETH_ALEN);
2342 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2343 IEEE80211_STYPE_ACTION);
2344 action_frame->u.action.category = WLAN_CATEGORY_HT;
2345 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
2346 switch (smps) {
2347 case IEEE80211_SMPS_AUTOMATIC:/* 0 */
2348 case IEEE80211_SMPS_NUM_MODES:/* 4 */
2349 WARN_ON(1);
2350 /* fall through */
2351 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
2352 action_frame->u.action.u.ht_smps.smps_control =
2353 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
2354 break;
2355 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
2356 action_frame->u.action.u.ht_smps.smps_control =
2357 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
2358 break;
2359 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
2360 action_frame->u.action.u.ht_smps.smps_control =
2361 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
2362 break;
2363 }
2364
2365 return skb;
2366}
2367
2368int rtl_send_smps_action(struct ieee80211_hw *hw,
2369 struct ieee80211_sta *sta,
2370 enum ieee80211_smps_mode smps)
2371{
2372 struct rtl_priv *rtlpriv = rtl_priv(hw);
2373 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2374 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
2375 struct sk_buff *skb = NULL;
2376 struct rtl_tcb_desc tcb_desc;
2377 u8 bssid[ETH_ALEN] = {0};
2378
2379 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
2380
2381 if (rtlpriv->mac80211.act_scanning)
2382 goto err_free;
2383
2384 if (!sta)
2385 goto err_free;
2386
2387 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
2388 goto err_free;
2389
2390 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
2391 goto err_free;
2392
2393 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
2394 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
2395 else
2396 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
2397
2398 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
2399 /* this is a type = mgmt * stype = action frame */
2400 if (skb) {
2401 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
2402 struct rtl_sta_info *sta_entry =
2403 (struct rtl_sta_info *) sta->drv_priv;
2404 sta_entry->mimo_ps = smps;
2405 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); */
2406
2407 info->control.rates[0].idx = 0;
2408 info->band = hw->conf.chandef.chan->band;
2409 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
2410 }
2411 return 1;
2412
2413err_free:
2414 return 0;
2415}
2416EXPORT_SYMBOL(rtl_send_smps_action);
2417
2418void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation)
2419{
2420 struct rtl_priv *rtlpriv = rtl_priv(hw);
2421 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2422 enum io_type iotype;
2423
2424 if (!is_hal_stop(rtlhal)) {
2425 switch (operation) {
2426 case SCAN_OPT_BACKUP:
2427 iotype = IO_CMD_PAUSE_DM_BY_SCAN;
2428 rtlpriv->cfg->ops->set_hw_reg(hw,
2429 HW_VAR_IO_CMD,
2430 (u8 *)&iotype);
2431 break;
2432 case SCAN_OPT_RESTORE:
2433 iotype = IO_CMD_RESUME_DM_BY_SCAN;
2434 rtlpriv->cfg->ops->set_hw_reg(hw,
2435 HW_VAR_IO_CMD,
2436 (u8 *)&iotype);
2437 break;
2438 default:
2439 pr_err("Unknown Scan Backup operation.\n");
2440 break;
2441 }
2442 }
2443}
2444EXPORT_SYMBOL(rtl_phy_scan_operation_backup);
2445
2446/* because mac80211 have issues when can receive del ba
2447 * so here we just make a fake del_ba if we receive a ba_req
2448 * but rx_agg was opened to let mac80211 release some ba
2449 * related resources, so please this del_ba for tx
2450 */
2451struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
2452 u8 *sa, u8 *bssid, u16 tid)
2453{
2454 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
2455 struct sk_buff *skb;
2456 struct ieee80211_mgmt *action_frame;
2457 u16 params;
2458
2459 /* 27 = header + category + action + smps mode */
2460 skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
2461 if (!skb)
2462 return NULL;
2463
2464 skb_reserve(skb, hw->extra_tx_headroom);
2465 action_frame = skb_put_zero(skb, 34);
2466 memcpy(action_frame->sa, sa, ETH_ALEN);
2467 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
2468 memcpy(action_frame->bssid, bssid, ETH_ALEN);
2469 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2470 IEEE80211_STYPE_ACTION);
2471 action_frame->u.action.category = WLAN_CATEGORY_BACK;
2472 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
2473 params = (u16)(1 << 11); /* bit 11 initiator */
2474 params |= (u16)(tid << 12); /* bit 15:12 TID number */
2475
2476 action_frame->u.action.u.delba.params = cpu_to_le16(params);
2477 action_frame->u.action.u.delba.reason_code =
2478 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
2479
2480 return skb;
2481}
2482
2483/*********************************************************
2484 *
2485 * IOT functions
2486 *
2487 *********************************************************/
2488static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
2489 struct octet_string vendor_ie)
2490{
2491 struct rtl_priv *rtlpriv = rtl_priv(hw);
2492 bool matched = false;
2493 static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
2494 static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
2495 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
2496 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
2497 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
2498 static u8 racap[] = { 0x00, 0x0c, 0x43 };
2499 static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
2500 static u8 marvcap[] = { 0x00, 0x50, 0x43 };
2501
2502 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
2503 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
2504 rtlpriv->mac80211.vendor = PEER_ATH;
2505 matched = true;
2506 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
2507 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
2508 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
2509 rtlpriv->mac80211.vendor = PEER_BROAD;
2510 matched = true;
2511 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
2512 rtlpriv->mac80211.vendor = PEER_RAL;
2513 matched = true;
2514 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
2515 rtlpriv->mac80211.vendor = PEER_CISCO;
2516 matched = true;
2517 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
2518 rtlpriv->mac80211.vendor = PEER_MARV;
2519 matched = true;
2520 }
2521
2522 return matched;
2523}
2524
2525static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
2526 unsigned int len)
2527{
2528 struct ieee80211_mgmt *mgmt = (void *)data;
2529 struct octet_string vendor_ie;
2530 u8 *pos, *end;
2531
2532 pos = (u8 *)mgmt->u.beacon.variable;
2533 end = data + len;
2534 while (pos < end) {
2535 if (pos[0] == 221) {
2536 vendor_ie.length = pos[1];
2537 vendor_ie.octet = &pos[2];
2538 if (rtl_chk_vendor_ouisub(hw, vendor_ie))
2539 return true;
2540 }
2541
2542 if (pos + 2 + pos[1] > end)
2543 return false;
2544
2545 pos += 2 + pos[1];
2546 }
2547 return false;
2548}
2549
2550void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
2551{
2552 struct rtl_priv *rtlpriv = rtl_priv(hw);
2553 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2554 struct ieee80211_hdr *hdr = (void *)data;
2555 u32 vendor = PEER_UNKNOWN;
2556
2557 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
2558 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
2559 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
2560 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
2561 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
2562 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
2563 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
2564 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
2565 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
2566 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
2567 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
2568 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
2569 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
2570 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
2571 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
2572 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
2573
2574 if (mac->opmode != NL80211_IFTYPE_STATION)
2575 return;
2576
2577 if (mac->link_state == MAC80211_NOLINK) {
2578 mac->vendor = PEER_UNKNOWN;
2579 return;
2580 }
2581
2582 if (mac->cnt_after_linked > 2)
2583 return;
2584
2585 /* check if this really is a beacon */
2586 if (!ieee80211_is_beacon(hdr->frame_control))
2587 return;
2588
2589 /* min. beacon length + FCS_LEN */
2590 if (len <= 40 + FCS_LEN)
2591 return;
2592
2593 /* and only beacons from the associated BSSID, please */
2594 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
2595 return;
2596
2597 if (rtl_find_221_ie(hw, data, len))
2598 vendor = mac->vendor;
2599
2600 if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
2601 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
2602 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
2603 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
2604 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
2605 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
2606 vendor == PEER_ATH) {
2607 vendor = PEER_ATH;
2608 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n");
2609 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
2610 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
2611 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
2612 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
2613 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
2614 vendor == PEER_RAL) {
2615 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n");
2616 vendor = PEER_RAL;
2617 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
2618 vendor == PEER_CISCO) {
2619 vendor = PEER_CISCO;
2620 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n");
2621 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
2622 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
2623 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
2624 vendor == PEER_BROAD) {
2625 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n");
2626 vendor = PEER_BROAD;
2627 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
2628 vendor == PEER_MARV) {
2629 vendor = PEER_MARV;
2630 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n");
2631 }
2632
2633 mac->vendor = vendor;
2634}
2635EXPORT_SYMBOL_GPL(rtl_recognize_peer);
2636
2637MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
2638MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
2639MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
2640MODULE_LICENSE("GPL");
2641MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
2642
2643struct rtl_global_var rtl_global_var = {};
2644EXPORT_SYMBOL_GPL(rtl_global_var);
2645
2646static int __init rtl_core_module_init(void)
2647{
2648 BUILD_BUG_ON(TX_PWR_BY_RATE_NUM_RATE < TX_PWR_BY_RATE_NUM_SECTION);
2649 BUILD_BUG_ON(MAX_RATE_SECTION_NUM != MAX_RATE_SECTION);
2650 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_24G != MAX_RATE_SECTION);
2651 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_5G != (MAX_RATE_SECTION - 1));
2652
2653 if (rtl_rate_control_register())
2654 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n");
2655
2656 /* add debugfs */
2657 rtl_debugfs_add_topdir();
2658
2659 /* init some global vars */
2660 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list);
2661 spin_lock_init(&rtl_global_var.glb_list_lock);
2662
2663 return 0;
2664}
2665
2666static void __exit rtl_core_module_exit(void)
2667{
2668 /*RC*/
2669 rtl_rate_control_unregister();
2670
2671 /* remove debugfs */
2672 rtl_debugfs_remove_topdir();
2673}
2674
2675module_init(rtl_core_module_init);
2676module_exit(rtl_core_module_exit);
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2009-2012 Realtek Corporation.*/
3
4#include "wifi.h"
5#include "rc.h"
6#include "base.h"
7#include "efuse.h"
8#include "cam.h"
9#include "ps.h"
10#include "regd.h"
11#include "pci.h"
12#include <linux/ip.h>
13#include <linux/module.h>
14#include <linux/udp.h>
15
16/*
17 *NOTICE!!!: This file will be very big, we should
18 *keep it clear under following roles:
19 *
20 *This file include following parts, so, if you add new
21 *functions into this file, please check which part it
22 *should includes. or check if you should add new part
23 *for this file:
24 *
25 *1) mac80211 init functions
26 *2) tx information functions
27 *3) functions called by core.c
28 *4) wq & timer callback functions
29 *5) frame process functions
30 *6) IOT functions
31 *7) sysfs functions
32 *8) vif functions
33 *9) ...
34 */
35
36/*********************************************************
37 *
38 * mac80211 init functions
39 *
40 *********************************************************/
41static struct ieee80211_channel rtl_channeltable_2g[] = {
42 {.center_freq = 2412, .hw_value = 1,},
43 {.center_freq = 2417, .hw_value = 2,},
44 {.center_freq = 2422, .hw_value = 3,},
45 {.center_freq = 2427, .hw_value = 4,},
46 {.center_freq = 2432, .hw_value = 5,},
47 {.center_freq = 2437, .hw_value = 6,},
48 {.center_freq = 2442, .hw_value = 7,},
49 {.center_freq = 2447, .hw_value = 8,},
50 {.center_freq = 2452, .hw_value = 9,},
51 {.center_freq = 2457, .hw_value = 10,},
52 {.center_freq = 2462, .hw_value = 11,},
53 {.center_freq = 2467, .hw_value = 12,},
54 {.center_freq = 2472, .hw_value = 13,},
55 {.center_freq = 2484, .hw_value = 14,},
56};
57
58static struct ieee80211_channel rtl_channeltable_5g[] = {
59 {.center_freq = 5180, .hw_value = 36,},
60 {.center_freq = 5200, .hw_value = 40,},
61 {.center_freq = 5220, .hw_value = 44,},
62 {.center_freq = 5240, .hw_value = 48,},
63 {.center_freq = 5260, .hw_value = 52,},
64 {.center_freq = 5280, .hw_value = 56,},
65 {.center_freq = 5300, .hw_value = 60,},
66 {.center_freq = 5320, .hw_value = 64,},
67 {.center_freq = 5500, .hw_value = 100,},
68 {.center_freq = 5520, .hw_value = 104,},
69 {.center_freq = 5540, .hw_value = 108,},
70 {.center_freq = 5560, .hw_value = 112,},
71 {.center_freq = 5580, .hw_value = 116,},
72 {.center_freq = 5600, .hw_value = 120,},
73 {.center_freq = 5620, .hw_value = 124,},
74 {.center_freq = 5640, .hw_value = 128,},
75 {.center_freq = 5660, .hw_value = 132,},
76 {.center_freq = 5680, .hw_value = 136,},
77 {.center_freq = 5700, .hw_value = 140,},
78 {.center_freq = 5745, .hw_value = 149,},
79 {.center_freq = 5765, .hw_value = 153,},
80 {.center_freq = 5785, .hw_value = 157,},
81 {.center_freq = 5805, .hw_value = 161,},
82 {.center_freq = 5825, .hw_value = 165,},
83};
84
85static struct ieee80211_rate rtl_ratetable_2g[] = {
86 {.bitrate = 10, .hw_value = 0x00,},
87 {.bitrate = 20, .hw_value = 0x01,},
88 {.bitrate = 55, .hw_value = 0x02,},
89 {.bitrate = 110, .hw_value = 0x03,},
90 {.bitrate = 60, .hw_value = 0x04,},
91 {.bitrate = 90, .hw_value = 0x05,},
92 {.bitrate = 120, .hw_value = 0x06,},
93 {.bitrate = 180, .hw_value = 0x07,},
94 {.bitrate = 240, .hw_value = 0x08,},
95 {.bitrate = 360, .hw_value = 0x09,},
96 {.bitrate = 480, .hw_value = 0x0a,},
97 {.bitrate = 540, .hw_value = 0x0b,},
98};
99
100static struct ieee80211_rate rtl_ratetable_5g[] = {
101 {.bitrate = 60, .hw_value = 0x04,},
102 {.bitrate = 90, .hw_value = 0x05,},
103 {.bitrate = 120, .hw_value = 0x06,},
104 {.bitrate = 180, .hw_value = 0x07,},
105 {.bitrate = 240, .hw_value = 0x08,},
106 {.bitrate = 360, .hw_value = 0x09,},
107 {.bitrate = 480, .hw_value = 0x0a,},
108 {.bitrate = 540, .hw_value = 0x0b,},
109};
110
111static const struct ieee80211_supported_band rtl_band_2ghz = {
112 .band = NL80211_BAND_2GHZ,
113
114 .channels = rtl_channeltable_2g,
115 .n_channels = ARRAY_SIZE(rtl_channeltable_2g),
116
117 .bitrates = rtl_ratetable_2g,
118 .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g),
119
120 .ht_cap = {0},
121};
122
123static struct ieee80211_supported_band rtl_band_5ghz = {
124 .band = NL80211_BAND_5GHZ,
125
126 .channels = rtl_channeltable_5g,
127 .n_channels = ARRAY_SIZE(rtl_channeltable_5g),
128
129 .bitrates = rtl_ratetable_5g,
130 .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g),
131
132 .ht_cap = {0},
133};
134
135static const u8 tid_to_ac[] = {
136 2, /* IEEE80211_AC_BE */
137 3, /* IEEE80211_AC_BK */
138 3, /* IEEE80211_AC_BK */
139 2, /* IEEE80211_AC_BE */
140 1, /* IEEE80211_AC_VI */
141 1, /* IEEE80211_AC_VI */
142 0, /* IEEE80211_AC_VO */
143 0, /* IEEE80211_AC_VO */
144};
145
146u8 rtl_tid_to_ac(u8 tid)
147{
148 return tid_to_ac[tid];
149}
150EXPORT_SYMBOL_GPL(rtl_tid_to_ac);
151
152static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
153 struct ieee80211_sta_ht_cap *ht_cap)
154{
155 struct rtl_priv *rtlpriv = rtl_priv(hw);
156 struct rtl_phy *rtlphy = &(rtlpriv->phy);
157
158 ht_cap->ht_supported = true;
159 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
160 IEEE80211_HT_CAP_SGI_40 |
161 IEEE80211_HT_CAP_SGI_20 |
162 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
163
164 if (rtlpriv->rtlhal.disable_amsdu_8k)
165 ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
166
167 /*
168 *Maximum length of AMPDU that the STA can receive.
169 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
170 */
171 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
172
173 /*Minimum MPDU start spacing , */
174 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
175
176 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
177
178 /*hw->wiphy->bands[NL80211_BAND_2GHZ]
179 *base on ant_num
180 *rx_mask: RX mask
181 *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
182 *if rx_ant = 2 rx_mask[1]= 0xff;==>MCS8-MCS15
183 *if rx_ant >= 3 rx_mask[2]= 0xff;
184 *if BW_40 rx_mask[4]= 0x01;
185 *highest supported RX rate
186 */
187 if (rtlpriv->dm.supp_phymode_switch) {
188 pr_info("Support phy mode switch\n");
189
190 ht_cap->mcs.rx_mask[0] = 0xFF;
191 ht_cap->mcs.rx_mask[1] = 0xFF;
192 ht_cap->mcs.rx_mask[4] = 0x01;
193
194 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
195 } else {
196 if (get_rf_type(rtlphy) == RF_1T2R ||
197 get_rf_type(rtlphy) == RF_2T2R) {
198 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
199 "1T2R or 2T2R\n");
200 ht_cap->mcs.rx_mask[0] = 0xFF;
201 ht_cap->mcs.rx_mask[1] = 0xFF;
202 ht_cap->mcs.rx_mask[4] = 0x01;
203
204 ht_cap->mcs.rx_highest =
205 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
206 } else if (get_rf_type(rtlphy) == RF_1T1R) {
207 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n");
208
209 ht_cap->mcs.rx_mask[0] = 0xFF;
210 ht_cap->mcs.rx_mask[1] = 0x00;
211 ht_cap->mcs.rx_mask[4] = 0x01;
212
213 ht_cap->mcs.rx_highest =
214 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
215 }
216 }
217}
218
219static void _rtl_init_hw_vht_capab(struct ieee80211_hw *hw,
220 struct ieee80211_sta_vht_cap *vht_cap)
221{
222 struct rtl_priv *rtlpriv = rtl_priv(hw);
223 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
224
225 if (!(rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT))
226 return;
227
228 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE ||
229 rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) {
230 u16 mcs_map;
231
232 vht_cap->vht_supported = true;
233 vht_cap->cap =
234 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
235 IEEE80211_VHT_CAP_SHORT_GI_80 |
236 IEEE80211_VHT_CAP_TXSTBC |
237 IEEE80211_VHT_CAP_RXSTBC_1 |
238 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
239 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
240 IEEE80211_VHT_CAP_HTC_VHT |
241 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
242 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
243 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
244 0;
245
246 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
247 IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
248 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
249 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
250 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
251 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
252 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
253 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
254
255 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
256 vht_cap->vht_mcs.rx_highest =
257 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
258 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
259 vht_cap->vht_mcs.tx_highest =
260 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
261 } else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
262 u16 mcs_map;
263
264 vht_cap->vht_supported = true;
265 vht_cap->cap =
266 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
267 IEEE80211_VHT_CAP_SHORT_GI_80 |
268 IEEE80211_VHT_CAP_TXSTBC |
269 IEEE80211_VHT_CAP_RXSTBC_1 |
270 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
271 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
272 IEEE80211_VHT_CAP_HTC_VHT |
273 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
274 IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
275 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
276 0;
277
278 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
279 IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 |
280 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
281 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
282 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
283 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
284 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
285 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
286
287 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
288 vht_cap->vht_mcs.rx_highest =
289 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
290 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
291 vht_cap->vht_mcs.tx_highest =
292 cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
293 }
294}
295
296static void _rtl_init_mac80211(struct ieee80211_hw *hw)
297{
298 struct rtl_priv *rtlpriv = rtl_priv(hw);
299 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
300 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
301 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
302 struct ieee80211_supported_band *sband;
303
304 if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY &&
305 rtlhal->bandset == BAND_ON_BOTH) {
306 /* 1: 2.4 G bands */
307 /* <1> use mac->bands as mem for hw->wiphy->bands */
308 sband = &(rtlmac->bands[NL80211_BAND_2GHZ]);
309
310 /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ]
311 * to default value(1T1R) */
312 memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]), &rtl_band_2ghz,
313 sizeof(struct ieee80211_supported_band));
314
315 /* <3> init ht cap base on ant_num */
316 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
317
318 /* <4> set mac->sband to wiphy->sband */
319 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
320
321 /* 2: 5 G bands */
322 /* <1> use mac->bands as mem for hw->wiphy->bands */
323 sband = &(rtlmac->bands[NL80211_BAND_5GHZ]);
324
325 /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ]
326 * to default value(1T1R) */
327 memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]), &rtl_band_5ghz,
328 sizeof(struct ieee80211_supported_band));
329
330 /* <3> init ht cap base on ant_num */
331 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
332
333 _rtl_init_hw_vht_capab(hw, &sband->vht_cap);
334 /* <4> set mac->sband to wiphy->sband */
335 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
336 } else {
337 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
338 /* <1> use mac->bands as mem for hw->wiphy->bands */
339 sband = &(rtlmac->bands[NL80211_BAND_2GHZ]);
340
341 /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ]
342 * to default value(1T1R) */
343 memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]),
344 &rtl_band_2ghz,
345 sizeof(struct ieee80211_supported_band));
346
347 /* <3> init ht cap base on ant_num */
348 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
349
350 /* <4> set mac->sband to wiphy->sband */
351 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
352 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
353 /* <1> use mac->bands as mem for hw->wiphy->bands */
354 sband = &(rtlmac->bands[NL80211_BAND_5GHZ]);
355
356 /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ]
357 * to default value(1T1R) */
358 memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]),
359 &rtl_band_5ghz,
360 sizeof(struct ieee80211_supported_band));
361
362 /* <3> init ht cap base on ant_num */
363 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
364
365 _rtl_init_hw_vht_capab(hw, &sband->vht_cap);
366 /* <4> set mac->sband to wiphy->sband */
367 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
368 } else {
369 pr_err("Err BAND %d\n",
370 rtlhal->current_bandtype);
371 }
372 }
373 /* <5> set hw caps */
374 ieee80211_hw_set(hw, SIGNAL_DBM);
375 ieee80211_hw_set(hw, RX_INCLUDES_FCS);
376 ieee80211_hw_set(hw, AMPDU_AGGREGATION);
377 ieee80211_hw_set(hw, MFP_CAPABLE);
378 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
379 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
380 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
381
382 /* swlps or hwlps has been set in diff chip in init_sw_vars */
383 if (rtlpriv->psc.swctrl_lps) {
384 ieee80211_hw_set(hw, SUPPORTS_PS);
385 ieee80211_hw_set(hw, PS_NULLFUNC_STACK);
386 }
387 if (rtlpriv->psc.fwctrl_lps) {
388 ieee80211_hw_set(hw, SUPPORTS_PS);
389 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
390 }
391 hw->wiphy->interface_modes =
392 BIT(NL80211_IFTYPE_AP) |
393 BIT(NL80211_IFTYPE_STATION) |
394 BIT(NL80211_IFTYPE_ADHOC) |
395 BIT(NL80211_IFTYPE_MESH_POINT) |
396 BIT(NL80211_IFTYPE_P2P_CLIENT) |
397 BIT(NL80211_IFTYPE_P2P_GO);
398 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
399
400 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
401
402 hw->wiphy->rts_threshold = 2347;
403
404 hw->queues = AC_MAX;
405 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
406
407 /* TODO: Correct this value for our hw */
408 hw->max_listen_interval = MAX_LISTEN_INTERVAL;
409 hw->max_rate_tries = MAX_RATE_TRIES;
410 /* hw->max_rates = 1; */
411 hw->sta_data_size = sizeof(struct rtl_sta_info);
412
413/* wowlan is not supported by kernel if CONFIG_PM is not defined */
414#ifdef CONFIG_PM
415 if (rtlpriv->psc.wo_wlan_mode) {
416 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET)
417 rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT;
418 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) {
419 rtlpriv->wowlan.n_patterns =
420 MAX_SUPPORT_WOL_PATTERN_NUM;
421 rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE;
422 rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE;
423 }
424 hw->wiphy->wowlan = &rtlpriv->wowlan;
425 }
426#endif
427
428 /* <6> mac address */
429 if (is_valid_ether_addr(rtlefuse->dev_addr)) {
430 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
431 } else {
432 u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
433
434 get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1);
435 SET_IEEE80211_PERM_ADDR(hw, rtlmac1);
436 }
437}
438
439static void rtl_watchdog_wq_callback(struct work_struct *work);
440static void rtl_fwevt_wq_callback(struct work_struct *work);
441static void rtl_c2hcmd_wq_callback(struct work_struct *work);
442
443static int _rtl_init_deferred_work(struct ieee80211_hw *hw)
444{
445 struct rtl_priv *rtlpriv = rtl_priv(hw);
446 struct workqueue_struct *wq;
447
448 wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name);
449 if (!wq)
450 return -ENOMEM;
451
452 /* <1> timer */
453 timer_setup(&rtlpriv->works.watchdog_timer,
454 rtl_watch_dog_timer_callback, 0);
455
456 /* <2> work queue */
457 rtlpriv->works.hw = hw;
458 rtlpriv->works.rtl_wq = wq;
459
460 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
461 rtl_watchdog_wq_callback);
462 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
463 rtl_ips_nic_off_wq_callback);
464 INIT_DELAYED_WORK(&rtlpriv->works.ps_work, rtl_swlps_wq_callback);
465 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
466 rtl_swlps_rfon_wq_callback);
467 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, rtl_fwevt_wq_callback);
468 INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq, rtl_c2hcmd_wq_callback);
469 return 0;
470}
471
472void rtl_deinit_deferred_work(struct ieee80211_hw *hw, bool ips_wq)
473{
474 struct rtl_priv *rtlpriv = rtl_priv(hw);
475
476 del_timer_sync(&rtlpriv->works.watchdog_timer);
477
478 cancel_delayed_work_sync(&rtlpriv->works.watchdog_wq);
479 if (ips_wq)
480 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
481 else
482 cancel_delayed_work_sync(&rtlpriv->works.ips_nic_off_wq);
483 cancel_delayed_work_sync(&rtlpriv->works.ps_work);
484 cancel_delayed_work_sync(&rtlpriv->works.ps_rfon_wq);
485 cancel_delayed_work_sync(&rtlpriv->works.fwevt_wq);
486 cancel_delayed_work_sync(&rtlpriv->works.c2hcmd_wq);
487}
488EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work);
489
490void rtl_init_rfkill(struct ieee80211_hw *hw)
491{
492 struct rtl_priv *rtlpriv = rtl_priv(hw);
493
494 bool radio_state;
495 bool blocked;
496 u8 valid = 0;
497
498 /*set init state to on */
499 rtlpriv->rfkill.rfkill_state = true;
500 wiphy_rfkill_set_hw_state(hw->wiphy, 0);
501
502 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
503
504 if (valid) {
505 pr_info("rtlwifi: wireless switch is %s\n",
506 rtlpriv->rfkill.rfkill_state ? "on" : "off");
507
508 rtlpriv->rfkill.rfkill_state = radio_state;
509
510 blocked = rtlpriv->rfkill.rfkill_state != 1;
511 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
512 }
513
514 wiphy_rfkill_start_polling(hw->wiphy);
515}
516EXPORT_SYMBOL(rtl_init_rfkill);
517
518void rtl_deinit_rfkill(struct ieee80211_hw *hw)
519{
520 wiphy_rfkill_stop_polling(hw->wiphy);
521}
522EXPORT_SYMBOL_GPL(rtl_deinit_rfkill);
523
524int rtl_init_core(struct ieee80211_hw *hw)
525{
526 struct rtl_priv *rtlpriv = rtl_priv(hw);
527 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
528
529 /* <1> init mac80211 */
530 _rtl_init_mac80211(hw);
531 rtlmac->hw = hw;
532
533 /* <2> rate control register */
534 hw->rate_control_algorithm = "rtl_rc";
535
536 /*
537 * <3> init CRDA must come after init
538 * mac80211 hw in _rtl_init_mac80211.
539 */
540 if (rtl_regd_init(hw, rtl_reg_notifier)) {
541 pr_err("REGD init failed\n");
542 return 1;
543 }
544
545 /* <4> locks */
546 mutex_init(&rtlpriv->locks.conf_mutex);
547 mutex_init(&rtlpriv->locks.ips_mutex);
548 mutex_init(&rtlpriv->locks.lps_mutex);
549 spin_lock_init(&rtlpriv->locks.irq_th_lock);
550 spin_lock_init(&rtlpriv->locks.h2c_lock);
551 spin_lock_init(&rtlpriv->locks.rf_ps_lock);
552 spin_lock_init(&rtlpriv->locks.rf_lock);
553 spin_lock_init(&rtlpriv->locks.waitq_lock);
554 spin_lock_init(&rtlpriv->locks.entry_list_lock);
555 spin_lock_init(&rtlpriv->locks.scan_list_lock);
556 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
557 spin_lock_init(&rtlpriv->locks.fw_ps_lock);
558 spin_lock_init(&rtlpriv->locks.iqk_lock);
559 /* <5> init list */
560 INIT_LIST_HEAD(&rtlpriv->entry_list);
561 INIT_LIST_HEAD(&rtlpriv->scan_list.list);
562 skb_queue_head_init(&rtlpriv->tx_report.queue);
563 skb_queue_head_init(&rtlpriv->c2hcmd_queue);
564
565 rtlmac->link_state = MAC80211_NOLINK;
566
567 /* <6> init deferred work */
568 return _rtl_init_deferred_work(hw);
569}
570EXPORT_SYMBOL_GPL(rtl_init_core);
571
572static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw);
573static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw,
574 bool timeout);
575
576void rtl_deinit_core(struct ieee80211_hw *hw)
577{
578 struct rtl_priv *rtlpriv = rtl_priv(hw);
579
580 rtl_c2hcmd_launcher(hw, 0);
581 rtl_free_entries_from_scan_list(hw);
582 rtl_free_entries_from_ack_queue(hw, false);
583 if (rtlpriv->works.rtl_wq) {
584 destroy_workqueue(rtlpriv->works.rtl_wq);
585 rtlpriv->works.rtl_wq = NULL;
586 }
587}
588EXPORT_SYMBOL_GPL(rtl_deinit_core);
589
590void rtl_init_rx_config(struct ieee80211_hw *hw)
591{
592 struct rtl_priv *rtlpriv = rtl_priv(hw);
593 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
594
595 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
596}
597EXPORT_SYMBOL_GPL(rtl_init_rx_config);
598
599/*********************************************************
600 *
601 * tx information functions
602 *
603 *********************************************************/
604static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
605 struct rtl_tcb_desc *tcb_desc,
606 struct ieee80211_tx_info *info)
607{
608 struct rtl_priv *rtlpriv = rtl_priv(hw);
609 u8 rate_flag = info->control.rates[0].flags;
610
611 tcb_desc->use_shortpreamble = false;
612
613 /* 1M can only use Long Preamble. 11B spec */
614 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
615 return;
616 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
617 tcb_desc->use_shortpreamble = true;
618
619 return;
620}
621
622static void _rtl_query_shortgi(struct ieee80211_hw *hw,
623 struct ieee80211_sta *sta,
624 struct rtl_tcb_desc *tcb_desc,
625 struct ieee80211_tx_info *info)
626{
627 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
628 u8 rate_flag = info->control.rates[0].flags;
629 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
630 u8 sgi_80 = 0, bw_80 = 0;
631
632 tcb_desc->use_shortgi = false;
633
634 if (sta == NULL)
635 return;
636
637 sgi_40 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
638 sgi_20 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
639 sgi_80 = sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80;
640
641 if (!sta->deflink.ht_cap.ht_supported &&
642 !sta->deflink.vht_cap.vht_supported)
643 return;
644
645 if (!sgi_40 && !sgi_20)
646 return;
647
648 if (mac->opmode == NL80211_IFTYPE_STATION) {
649 bw_40 = mac->bw_40;
650 bw_80 = mac->bw_80;
651 } else if (mac->opmode == NL80211_IFTYPE_AP ||
652 mac->opmode == NL80211_IFTYPE_ADHOC ||
653 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
654 bw_40 = sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
655 bw_80 = sta->deflink.vht_cap.vht_supported;
656 }
657
658 if (bw_80) {
659 if (sgi_80)
660 tcb_desc->use_shortgi = true;
661 else
662 tcb_desc->use_shortgi = false;
663 } else {
664 if (bw_40 && sgi_40)
665 tcb_desc->use_shortgi = true;
666 else if (!bw_40 && sgi_20)
667 tcb_desc->use_shortgi = true;
668 }
669
670 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
671 tcb_desc->use_shortgi = false;
672}
673
674static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
675 struct rtl_tcb_desc *tcb_desc,
676 struct ieee80211_tx_info *info)
677{
678 struct rtl_priv *rtlpriv = rtl_priv(hw);
679 u8 rate_flag = info->control.rates[0].flags;
680
681 /* Common Settings */
682 tcb_desc->rts_stbc = false;
683 tcb_desc->cts_enable = false;
684 tcb_desc->rts_sc = 0;
685 tcb_desc->rts_bw = false;
686 tcb_desc->rts_use_shortpreamble = false;
687 tcb_desc->rts_use_shortgi = false;
688
689 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
690 /* Use CTS-to-SELF in protection mode. */
691 tcb_desc->rts_enable = true;
692 tcb_desc->cts_enable = true;
693 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
694 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
695 /* Use RTS-CTS in protection mode. */
696 tcb_desc->rts_enable = true;
697 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
698 }
699}
700
701u8 rtl_mrate_idx_to_arfr_id(struct ieee80211_hw *hw, u8 rate_index,
702 enum wireless_mode wirelessmode)
703{
704 struct rtl_priv *rtlpriv = rtl_priv(hw);
705 struct rtl_phy *rtlphy = &rtlpriv->phy;
706 u8 ret = 0;
707
708 switch (rate_index) {
709 case RATR_INX_WIRELESS_NGB:
710 if (rtlphy->rf_type == RF_1T1R)
711 ret = RATEID_IDX_BGN_40M_1SS;
712 else
713 ret = RATEID_IDX_BGN_40M_2SS;
714 ; break;
715 case RATR_INX_WIRELESS_N:
716 case RATR_INX_WIRELESS_NG:
717 if (rtlphy->rf_type == RF_1T1R)
718 ret = RATEID_IDX_GN_N1SS;
719 else
720 ret = RATEID_IDX_GN_N2SS;
721 ; break;
722 case RATR_INX_WIRELESS_NB:
723 if (rtlphy->rf_type == RF_1T1R)
724 ret = RATEID_IDX_BGN_20M_1SS_BN;
725 else
726 ret = RATEID_IDX_BGN_20M_2SS_BN;
727 ; break;
728 case RATR_INX_WIRELESS_GB:
729 ret = RATEID_IDX_BG;
730 break;
731 case RATR_INX_WIRELESS_G:
732 ret = RATEID_IDX_G;
733 break;
734 case RATR_INX_WIRELESS_B:
735 ret = RATEID_IDX_B;
736 break;
737 case RATR_INX_WIRELESS_MC:
738 if (wirelessmode == WIRELESS_MODE_B ||
739 wirelessmode == WIRELESS_MODE_G ||
740 wirelessmode == WIRELESS_MODE_N_24G ||
741 wirelessmode == WIRELESS_MODE_AC_24G)
742 ret = RATEID_IDX_BG;
743 else
744 ret = RATEID_IDX_G;
745 break;
746 case RATR_INX_WIRELESS_AC_5N:
747 if (rtlphy->rf_type == RF_1T1R)
748 ret = RATEID_IDX_VHT_1SS;
749 else
750 ret = RATEID_IDX_VHT_2SS;
751 break;
752 case RATR_INX_WIRELESS_AC_24N:
753 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
754 if (rtlphy->rf_type == RF_1T1R)
755 ret = RATEID_IDX_VHT_1SS;
756 else
757 ret = RATEID_IDX_VHT_2SS;
758 } else {
759 if (rtlphy->rf_type == RF_1T1R)
760 ret = RATEID_IDX_MIX1;
761 else
762 ret = RATEID_IDX_MIX2;
763 }
764 break;
765 default:
766 ret = RATEID_IDX_BGN_40M_2SS;
767 break;
768 }
769 return ret;
770}
771EXPORT_SYMBOL(rtl_mrate_idx_to_arfr_id);
772
773static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
774 struct ieee80211_sta *sta,
775 struct rtl_tcb_desc *tcb_desc)
776{
777#define SET_RATE_ID(rate_id) \
778 ({typeof(rate_id) _id = rate_id; \
779 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \
780 rtl_mrate_idx_to_arfr_id(hw, _id, \
781 (sta_entry ? sta_entry->wireless_mode : \
782 WIRELESS_MODE_G)) : \
783 _id); })
784
785 struct rtl_priv *rtlpriv = rtl_priv(hw);
786 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
787 struct rtl_sta_info *sta_entry = NULL;
788 u8 ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC);
789
790 if (sta) {
791 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
792 ratr_index = sta_entry->ratr_index;
793 }
794 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
795 if (mac->opmode == NL80211_IFTYPE_STATION) {
796 tcb_desc->ratr_index = 0;
797 } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
798 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
799 if (tcb_desc->multicast || tcb_desc->broadcast) {
800 tcb_desc->hw_rate =
801 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
802 tcb_desc->use_driver_rate = 1;
803 tcb_desc->ratr_index =
804 SET_RATE_ID(RATR_INX_WIRELESS_MC);
805 } else {
806 tcb_desc->ratr_index = ratr_index;
807 }
808 } else if (mac->opmode == NL80211_IFTYPE_AP) {
809 tcb_desc->ratr_index = ratr_index;
810 }
811 }
812
813 if (rtlpriv->dm.useramask) {
814 tcb_desc->ratr_index = ratr_index;
815 /* TODO we will differentiate adhoc and station future */
816 if (mac->opmode == NL80211_IFTYPE_STATION ||
817 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
818 tcb_desc->mac_id = 0;
819
820 if (sta &&
821 (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID))
822 ; /* use sta_entry->ratr_index */
823 else if (mac->mode == WIRELESS_MODE_AC_5G)
824 tcb_desc->ratr_index =
825 SET_RATE_ID(RATR_INX_WIRELESS_AC_5N);
826 else if (mac->mode == WIRELESS_MODE_AC_24G)
827 tcb_desc->ratr_index =
828 SET_RATE_ID(RATR_INX_WIRELESS_AC_24N);
829 else if (mac->mode == WIRELESS_MODE_N_24G)
830 tcb_desc->ratr_index =
831 SET_RATE_ID(RATR_INX_WIRELESS_NGB);
832 else if (mac->mode == WIRELESS_MODE_N_5G)
833 tcb_desc->ratr_index =
834 SET_RATE_ID(RATR_INX_WIRELESS_NG);
835 else if (mac->mode & WIRELESS_MODE_G)
836 tcb_desc->ratr_index =
837 SET_RATE_ID(RATR_INX_WIRELESS_GB);
838 else if (mac->mode & WIRELESS_MODE_B)
839 tcb_desc->ratr_index =
840 SET_RATE_ID(RATR_INX_WIRELESS_B);
841 else if (mac->mode & WIRELESS_MODE_A)
842 tcb_desc->ratr_index =
843 SET_RATE_ID(RATR_INX_WIRELESS_G);
844
845 } else if (mac->opmode == NL80211_IFTYPE_AP ||
846 mac->opmode == NL80211_IFTYPE_ADHOC) {
847 if (NULL != sta) {
848 if (sta->aid > 0)
849 tcb_desc->mac_id = sta->aid + 1;
850 else
851 tcb_desc->mac_id = 1;
852 } else {
853 tcb_desc->mac_id = 0;
854 }
855 }
856 }
857#undef SET_RATE_ID
858}
859
860static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
861 struct ieee80211_sta *sta,
862 struct rtl_tcb_desc *tcb_desc)
863{
864 struct rtl_priv *rtlpriv = rtl_priv(hw);
865 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
866
867 tcb_desc->packet_bw = false;
868 if (!sta)
869 return;
870 if (mac->opmode == NL80211_IFTYPE_AP ||
871 mac->opmode == NL80211_IFTYPE_ADHOC ||
872 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
873 if (!(sta->deflink.ht_cap.ht_supported) ||
874 !(sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
875 return;
876 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
877 if (!mac->bw_40 || !(sta->deflink.ht_cap.ht_supported))
878 return;
879 }
880 if (tcb_desc->multicast || tcb_desc->broadcast)
881 return;
882
883 /*use legency rate, shall use 20MHz */
884 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
885 return;
886
887 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40;
888
889 if (rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT) {
890 if (mac->opmode == NL80211_IFTYPE_AP ||
891 mac->opmode == NL80211_IFTYPE_ADHOC ||
892 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
893 if (!(sta->deflink.vht_cap.vht_supported))
894 return;
895 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
896 if (!mac->bw_80 ||
897 !(sta->deflink.vht_cap.vht_supported))
898 return;
899 }
900 if (tcb_desc->hw_rate <=
901 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15])
902 return;
903 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80;
904 }
905}
906
907static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw,
908 struct ieee80211_sta *sta)
909{
910 struct rtl_priv *rtlpriv = rtl_priv(hw);
911 struct rtl_phy *rtlphy = &(rtlpriv->phy);
912 u8 hw_rate;
913 u16 tx_mcs_map = le16_to_cpu(sta->deflink.vht_cap.vht_mcs.tx_mcs_map);
914
915 if ((get_rf_type(rtlphy) == RF_2T2R) &&
916 (tx_mcs_map & 0x000c) != 0x000c) {
917 if ((tx_mcs_map & 0x000c) >> 2 ==
918 IEEE80211_VHT_MCS_SUPPORT_0_7)
919 hw_rate =
920 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7];
921 else if ((tx_mcs_map & 0x000c) >> 2 ==
922 IEEE80211_VHT_MCS_SUPPORT_0_8)
923 hw_rate =
924 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8];
925 else
926 hw_rate =
927 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
928 } else {
929 if ((tx_mcs_map & 0x0003) ==
930 IEEE80211_VHT_MCS_SUPPORT_0_7)
931 hw_rate =
932 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7];
933 else if ((tx_mcs_map & 0x0003) ==
934 IEEE80211_VHT_MCS_SUPPORT_0_8)
935 hw_rate =
936 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8];
937 else
938 hw_rate =
939 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
940 }
941
942 return hw_rate;
943}
944
945static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
946 struct ieee80211_sta *sta)
947{
948 struct rtl_priv *rtlpriv = rtl_priv(hw);
949 struct rtl_phy *rtlphy = &rtlpriv->phy;
950 u8 hw_rate;
951
952 if (get_rf_type(rtlphy) == RF_2T2R &&
953 sta->deflink.ht_cap.mcs.rx_mask[1] != 0)
954 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
955 else
956 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
957
958 return hw_rate;
959}
960
961/* mac80211's rate_idx is like this:
962 *
963 * 2.4G band:rx_status->band == NL80211_BAND_2GHZ
964 *
965 * B/G rate:
966 * (rx_status->flag & RX_FLAG_HT) = 0,
967 * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11,
968 *
969 * N rate:
970 * (rx_status->flag & RX_FLAG_HT) = 1,
971 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
972 *
973 * 5G band:rx_status->band == NL80211_BAND_5GHZ
974 * A rate:
975 * (rx_status->flag & RX_FLAG_HT) = 0,
976 * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7,
977 *
978 * N rate:
979 * (rx_status->flag & RX_FLAG_HT) = 1,
980 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
981 *
982 * VHT rates:
983 * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9
984 * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9
985 */
986int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht,
987 u8 desc_rate)
988{
989 int rate_idx;
990
991 if (isvht) {
992 switch (desc_rate) {
993 case DESC_RATEVHT1SS_MCS0:
994 rate_idx = 0;
995 break;
996 case DESC_RATEVHT1SS_MCS1:
997 rate_idx = 1;
998 break;
999 case DESC_RATEVHT1SS_MCS2:
1000 rate_idx = 2;
1001 break;
1002 case DESC_RATEVHT1SS_MCS3:
1003 rate_idx = 3;
1004 break;
1005 case DESC_RATEVHT1SS_MCS4:
1006 rate_idx = 4;
1007 break;
1008 case DESC_RATEVHT1SS_MCS5:
1009 rate_idx = 5;
1010 break;
1011 case DESC_RATEVHT1SS_MCS6:
1012 rate_idx = 6;
1013 break;
1014 case DESC_RATEVHT1SS_MCS7:
1015 rate_idx = 7;
1016 break;
1017 case DESC_RATEVHT1SS_MCS8:
1018 rate_idx = 8;
1019 break;
1020 case DESC_RATEVHT1SS_MCS9:
1021 rate_idx = 9;
1022 break;
1023 case DESC_RATEVHT2SS_MCS0:
1024 rate_idx = 0;
1025 break;
1026 case DESC_RATEVHT2SS_MCS1:
1027 rate_idx = 1;
1028 break;
1029 case DESC_RATEVHT2SS_MCS2:
1030 rate_idx = 2;
1031 break;
1032 case DESC_RATEVHT2SS_MCS3:
1033 rate_idx = 3;
1034 break;
1035 case DESC_RATEVHT2SS_MCS4:
1036 rate_idx = 4;
1037 break;
1038 case DESC_RATEVHT2SS_MCS5:
1039 rate_idx = 5;
1040 break;
1041 case DESC_RATEVHT2SS_MCS6:
1042 rate_idx = 6;
1043 break;
1044 case DESC_RATEVHT2SS_MCS7:
1045 rate_idx = 7;
1046 break;
1047 case DESC_RATEVHT2SS_MCS8:
1048 rate_idx = 8;
1049 break;
1050 case DESC_RATEVHT2SS_MCS9:
1051 rate_idx = 9;
1052 break;
1053 default:
1054 rate_idx = 0;
1055 break;
1056 }
1057 return rate_idx;
1058 }
1059 if (false == isht) {
1060 if (NL80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
1061 switch (desc_rate) {
1062 case DESC_RATE1M:
1063 rate_idx = 0;
1064 break;
1065 case DESC_RATE2M:
1066 rate_idx = 1;
1067 break;
1068 case DESC_RATE5_5M:
1069 rate_idx = 2;
1070 break;
1071 case DESC_RATE11M:
1072 rate_idx = 3;
1073 break;
1074 case DESC_RATE6M:
1075 rate_idx = 4;
1076 break;
1077 case DESC_RATE9M:
1078 rate_idx = 5;
1079 break;
1080 case DESC_RATE12M:
1081 rate_idx = 6;
1082 break;
1083 case DESC_RATE18M:
1084 rate_idx = 7;
1085 break;
1086 case DESC_RATE24M:
1087 rate_idx = 8;
1088 break;
1089 case DESC_RATE36M:
1090 rate_idx = 9;
1091 break;
1092 case DESC_RATE48M:
1093 rate_idx = 10;
1094 break;
1095 case DESC_RATE54M:
1096 rate_idx = 11;
1097 break;
1098 default:
1099 rate_idx = 0;
1100 break;
1101 }
1102 } else {
1103 switch (desc_rate) {
1104 case DESC_RATE6M:
1105 rate_idx = 0;
1106 break;
1107 case DESC_RATE9M:
1108 rate_idx = 1;
1109 break;
1110 case DESC_RATE12M:
1111 rate_idx = 2;
1112 break;
1113 case DESC_RATE18M:
1114 rate_idx = 3;
1115 break;
1116 case DESC_RATE24M:
1117 rate_idx = 4;
1118 break;
1119 case DESC_RATE36M:
1120 rate_idx = 5;
1121 break;
1122 case DESC_RATE48M:
1123 rate_idx = 6;
1124 break;
1125 case DESC_RATE54M:
1126 rate_idx = 7;
1127 break;
1128 default:
1129 rate_idx = 0;
1130 break;
1131 }
1132 }
1133 } else {
1134 switch (desc_rate) {
1135 case DESC_RATEMCS0:
1136 rate_idx = 0;
1137 break;
1138 case DESC_RATEMCS1:
1139 rate_idx = 1;
1140 break;
1141 case DESC_RATEMCS2:
1142 rate_idx = 2;
1143 break;
1144 case DESC_RATEMCS3:
1145 rate_idx = 3;
1146 break;
1147 case DESC_RATEMCS4:
1148 rate_idx = 4;
1149 break;
1150 case DESC_RATEMCS5:
1151 rate_idx = 5;
1152 break;
1153 case DESC_RATEMCS6:
1154 rate_idx = 6;
1155 break;
1156 case DESC_RATEMCS7:
1157 rate_idx = 7;
1158 break;
1159 case DESC_RATEMCS8:
1160 rate_idx = 8;
1161 break;
1162 case DESC_RATEMCS9:
1163 rate_idx = 9;
1164 break;
1165 case DESC_RATEMCS10:
1166 rate_idx = 10;
1167 break;
1168 case DESC_RATEMCS11:
1169 rate_idx = 11;
1170 break;
1171 case DESC_RATEMCS12:
1172 rate_idx = 12;
1173 break;
1174 case DESC_RATEMCS13:
1175 rate_idx = 13;
1176 break;
1177 case DESC_RATEMCS14:
1178 rate_idx = 14;
1179 break;
1180 case DESC_RATEMCS15:
1181 rate_idx = 15;
1182 break;
1183 default:
1184 rate_idx = 0;
1185 break;
1186 }
1187 }
1188 return rate_idx;
1189}
1190EXPORT_SYMBOL(rtlwifi_rate_mapping);
1191
1192static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw,
1193 struct ieee80211_tx_info *info)
1194{
1195 struct rtl_priv *rtlpriv = rtl_priv(hw);
1196 struct ieee80211_tx_rate *r = &info->status.rates[0];
1197 struct ieee80211_rate *txrate;
1198 u8 hw_value = 0x0;
1199
1200 if (r->flags & IEEE80211_TX_RC_MCS) {
1201 /* HT MCS0-15 */
1202 hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 +
1203 r->idx;
1204 } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) {
1205 /* VHT MCS0-9, NSS */
1206 if (ieee80211_rate_get_vht_nss(r) == 2)
1207 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
1208 else
1209 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
1210
1211 hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r);
1212 } else {
1213 /* legacy */
1214 txrate = ieee80211_get_tx_rate(hw, info);
1215
1216 if (txrate)
1217 hw_value = txrate->hw_value;
1218 }
1219
1220 /* check 5G band */
1221 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G &&
1222 hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M])
1223 hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M];
1224
1225 return hw_value;
1226}
1227
1228void rtl_get_tcb_desc(struct ieee80211_hw *hw,
1229 struct ieee80211_tx_info *info,
1230 struct ieee80211_sta *sta,
1231 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
1232{
1233#define SET_RATE_ID(rate_id) \
1234 ({typeof(rate_id) _id = rate_id; \
1235 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \
1236 rtl_mrate_idx_to_arfr_id(hw, _id, \
1237 (sta_entry ? sta_entry->wireless_mode : \
1238 WIRELESS_MODE_G)) : \
1239 _id); })
1240
1241 struct rtl_priv *rtlpriv = rtl_priv(hw);
1242 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
1243 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1244 struct rtl_sta_info *sta_entry =
1245 (sta ? (struct rtl_sta_info *)sta->drv_priv : NULL);
1246
1247 __le16 fc = rtl_get_fc(skb);
1248
1249 tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info);
1250
1251 if (rtl_is_tx_report_skb(hw, skb))
1252 tcb_desc->use_spe_rpt = 1;
1253
1254 if (ieee80211_is_data(fc)) {
1255 /*
1256 *we set data rate INX 0
1257 *in rtl_rc.c if skb is special data or
1258 *mgt which need low data rate.
1259 */
1260
1261 /*
1262 *So tcb_desc->hw_rate is just used for
1263 *special data and mgt frames
1264 */
1265 if (info->control.rates[0].idx == 0 ||
1266 ieee80211_is_nullfunc(fc)) {
1267 tcb_desc->use_driver_rate = true;
1268 tcb_desc->ratr_index =
1269 SET_RATE_ID(RATR_INX_WIRELESS_MC);
1270
1271 tcb_desc->disable_ratefallback = 1;
1272 } else {
1273 /*
1274 *because hw will nerver use hw_rate
1275 *when tcb_desc->use_driver_rate = false
1276 *so we never set highest N rate here,
1277 *and N rate will all be controlled by FW
1278 *when tcb_desc->use_driver_rate = false
1279 */
1280 if (sta && sta->deflink.vht_cap.vht_supported) {
1281 tcb_desc->hw_rate =
1282 _rtl_get_vht_highest_n_rate(hw, sta);
1283 } else {
1284 if (sta && sta->deflink.ht_cap.ht_supported) {
1285 tcb_desc->hw_rate =
1286 _rtl_get_highest_n_rate(hw, sta);
1287 } else {
1288 if (rtlmac->mode == WIRELESS_MODE_B) {
1289 tcb_desc->hw_rate =
1290 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
1291 } else {
1292 tcb_desc->hw_rate =
1293 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
1294 }
1295 }
1296 }
1297 }
1298
1299 if (is_multicast_ether_addr(hdr->addr1))
1300 tcb_desc->multicast = 1;
1301 else if (is_broadcast_ether_addr(hdr->addr1))
1302 tcb_desc->broadcast = 1;
1303
1304 _rtl_txrate_selectmode(hw, sta, tcb_desc);
1305 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
1306 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
1307 _rtl_query_shortgi(hw, sta, tcb_desc, info);
1308 _rtl_query_protection_mode(hw, tcb_desc, info);
1309 } else {
1310 tcb_desc->use_driver_rate = true;
1311 tcb_desc->ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC);
1312 tcb_desc->disable_ratefallback = 1;
1313 tcb_desc->mac_id = 0;
1314 tcb_desc->packet_bw = false;
1315 }
1316#undef SET_RATE_ID
1317}
1318EXPORT_SYMBOL(rtl_get_tcb_desc);
1319
1320bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
1321{
1322 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1323 struct rtl_priv *rtlpriv = rtl_priv(hw);
1324 __le16 fc = rtl_get_fc(skb);
1325
1326 if (ieee80211_is_auth(fc)) {
1327 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n");
1328
1329 mac->link_state = MAC80211_LINKING;
1330 /* Dul mac */
1331 rtlpriv->phy.need_iqk = true;
1332
1333 }
1334
1335 return true;
1336}
1337EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc);
1338
1339struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
1340 u8 *bssid, u16 tid);
1341
1342static void process_agg_start(struct ieee80211_hw *hw,
1343 struct ieee80211_hdr *hdr, u16 tid)
1344{
1345 struct rtl_priv *rtlpriv = rtl_priv(hw);
1346 struct ieee80211_rx_status rx_status = { 0 };
1347 struct sk_buff *skb_delba = NULL;
1348
1349 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid);
1350 if (skb_delba) {
1351 rx_status.freq = hw->conf.chandef.chan->center_freq;
1352 rx_status.band = hw->conf.chandef.chan->band;
1353 rx_status.flag |= RX_FLAG_DECRYPTED;
1354 rx_status.flag |= RX_FLAG_MACTIME_START;
1355 rx_status.rate_idx = 0;
1356 rx_status.signal = 50 + 10;
1357 memcpy(IEEE80211_SKB_RXCB(skb_delba),
1358 &rx_status, sizeof(rx_status));
1359 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
1360 "fake del\n",
1361 skb_delba->data,
1362 skb_delba->len);
1363 ieee80211_rx_irqsafe(hw, skb_delba);
1364 }
1365}
1366
1367bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
1368{
1369 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1370 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1371 struct rtl_priv *rtlpriv = rtl_priv(hw);
1372 __le16 fc = rtl_get_fc(skb);
1373 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN));
1374 u8 category;
1375
1376 if (!ieee80211_is_action(fc))
1377 return true;
1378
1379 category = *act;
1380 act++;
1381 switch (category) {
1382 case ACT_CAT_BA:
1383 switch (*act) {
1384 case ACT_ADDBAREQ:
1385 if (mac->act_scanning)
1386 return false;
1387
1388 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1389 "%s ACT_ADDBAREQ From :%pM\n",
1390 is_tx ? "Tx" : "Rx", hdr->addr2);
1391 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n",
1392 skb->data, skb->len);
1393 if (!is_tx) {
1394 struct ieee80211_sta *sta = NULL;
1395 struct rtl_sta_info *sta_entry = NULL;
1396 struct rtl_tid_data *tid_data;
1397 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1398 u16 capab = 0, tid = 0;
1399
1400 rcu_read_lock();
1401 sta = rtl_find_sta(hw, hdr->addr3);
1402 if (sta == NULL) {
1403 rtl_dbg(rtlpriv, COMP_SEND | COMP_RECV,
1404 DBG_DMESG, "sta is NULL\n");
1405 rcu_read_unlock();
1406 return true;
1407 }
1408
1409 sta_entry =
1410 (struct rtl_sta_info *)sta->drv_priv;
1411 capab =
1412 le16_to_cpu(mgmt->u.action.u.addba_req.capab);
1413 tid = (capab &
1414 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
1415 if (tid >= MAX_TID_COUNT) {
1416 rcu_read_unlock();
1417 return true;
1418 }
1419 tid_data = &sta_entry->tids[tid];
1420 if (tid_data->agg.rx_agg_state ==
1421 RTL_RX_AGG_START)
1422 process_agg_start(hw, hdr, tid);
1423 rcu_read_unlock();
1424 }
1425 break;
1426 case ACT_ADDBARSP:
1427 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1428 "%s ACT_ADDBARSP From :%pM\n",
1429 is_tx ? "Tx" : "Rx", hdr->addr2);
1430 break;
1431 case ACT_DELBA:
1432 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1433 "ACT_ADDBADEL From :%pM\n", hdr->addr2);
1434 break;
1435 }
1436 break;
1437 default:
1438 break;
1439 }
1440
1441 return true;
1442}
1443EXPORT_SYMBOL_GPL(rtl_action_proc);
1444
1445static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc,
1446 int type)
1447{
1448 struct ieee80211_hw *hw = rtlpriv->hw;
1449
1450 rtlpriv->ra.is_special_data = true;
1451 if (rtlpriv->cfg->ops->get_btc_status())
1452 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify(
1453 rtlpriv, type);
1454 rtl_lps_leave(hw, false);
1455 ppsc->last_delaylps_stamp_jiffies = jiffies;
1456}
1457
1458static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw,
1459 struct sk_buff *skb, bool is_enc)
1460{
1461 struct rtl_priv *rtlpriv = rtl_priv(hw);
1462 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
1463 u8 encrypt_header_len = 0;
1464 u8 offset;
1465
1466 switch (rtlpriv->sec.pairwise_enc_algorithm) {
1467 case WEP40_ENCRYPTION:
1468 case WEP104_ENCRYPTION:
1469 encrypt_header_len = 4;/*WEP_IV_LEN*/
1470 break;
1471 case TKIP_ENCRYPTION:
1472 encrypt_header_len = 8;/*TKIP_IV_LEN*/
1473 break;
1474 case AESCCMP_ENCRYPTION:
1475 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/
1476 break;
1477 default:
1478 break;
1479 }
1480
1481 offset = mac_hdr_len + SNAP_SIZE;
1482 if (is_enc)
1483 offset += encrypt_header_len;
1484
1485 return skb->data + offset;
1486}
1487
1488/*should call before software enc*/
1489u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
1490 bool is_enc)
1491{
1492 struct rtl_priv *rtlpriv = rtl_priv(hw);
1493 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1494 __le16 fc = rtl_get_fc(skb);
1495 u16 ether_type;
1496 const u8 *ether_type_ptr;
1497 const struct iphdr *ip;
1498
1499 if (!ieee80211_is_data(fc))
1500 goto end;
1501
1502 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc);
1503 ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
1504
1505 if (ETH_P_IP == ether_type) {
1506 ip = (struct iphdr *)((u8 *)ether_type_ptr +
1507 PROTOC_TYPE_SIZE);
1508 if (IPPROTO_UDP == ip->protocol) {
1509 struct udphdr *udp = (struct udphdr *)((u8 *)ip +
1510 (ip->ihl << 2));
1511 if (((((u8 *)udp)[1] == 68) &&
1512 (((u8 *)udp)[3] == 67)) ||
1513 ((((u8 *)udp)[1] == 67) &&
1514 (((u8 *)udp)[3] == 68))) {
1515 /* 68 : UDP BOOTP client
1516 * 67 : UDP BOOTP server
1517 */
1518 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV),
1519 DBG_DMESG, "dhcp %s !!\n",
1520 (is_tx) ? "Tx" : "Rx");
1521
1522 if (is_tx)
1523 setup_special_tx(rtlpriv, ppsc,
1524 PACKET_DHCP);
1525
1526 return true;
1527 }
1528 }
1529 } else if (ETH_P_ARP == ether_type) {
1530 if (is_tx)
1531 setup_special_tx(rtlpriv, ppsc, PACKET_ARP);
1532
1533 return true;
1534 } else if (ETH_P_PAE == ether_type) {
1535 /* EAPOL is seens as in-4way */
1536 rtlpriv->btcoexist.btc_info.in_4way = true;
1537 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;
1538
1539 rtl_dbg(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1540 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx");
1541
1542 if (is_tx) {
1543 rtlpriv->ra.is_special_data = true;
1544 rtl_lps_leave(hw, false);
1545 ppsc->last_delaylps_stamp_jiffies = jiffies;
1546
1547 setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL);
1548 }
1549
1550 return true;
1551 } else if (ETH_P_IPV6 == ether_type) {
1552 /* TODO: Handle any IPv6 cases that need special handling.
1553 * For now, always return false
1554 */
1555 goto end;
1556 }
1557
1558end:
1559 rtlpriv->ra.is_special_data = false;
1560 return false;
1561}
1562EXPORT_SYMBOL_GPL(rtl_is_special_data);
1563
1564void rtl_tx_ackqueue(struct ieee80211_hw *hw, struct sk_buff *skb)
1565{
1566 struct rtl_priv *rtlpriv = rtl_priv(hw);
1567 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1568
1569 __skb_queue_tail(&tx_report->queue, skb);
1570}
1571EXPORT_SYMBOL_GPL(rtl_tx_ackqueue);
1572
1573static void rtl_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
1574 bool ack)
1575{
1576 struct rtl_priv *rtlpriv = rtl_priv(hw);
1577 struct ieee80211_tx_info *info;
1578
1579 info = IEEE80211_SKB_CB(skb);
1580 ieee80211_tx_info_clear_status(info);
1581 if (ack) {
1582 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_LOUD,
1583 "tx report: ack\n");
1584 info->flags |= IEEE80211_TX_STAT_ACK;
1585 } else {
1586 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_LOUD,
1587 "tx report: not ack\n");
1588 info->flags &= ~IEEE80211_TX_STAT_ACK;
1589 }
1590 ieee80211_tx_status_irqsafe(hw, skb);
1591}
1592
1593bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb)
1594{
1595 u16 ether_type;
1596 const u8 *ether_type_ptr;
1597 __le16 fc = rtl_get_fc(skb);
1598
1599 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true);
1600 ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
1601
1602 if (ether_type == ETH_P_PAE || ieee80211_is_nullfunc(fc))
1603 return true;
1604
1605 return false;
1606}
1607
1608static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw,
1609 struct rtlwifi_tx_info *tx_info)
1610{
1611 struct rtl_priv *rtlpriv = rtl_priv(hw);
1612 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1613 u16 sn;
1614
1615 /* SW_DEFINE[11:8] are reserved (driver fills zeros)
1616 * SW_DEFINE[7:2] are used by driver
1617 * SW_DEFINE[1:0] are reserved for firmware (driver fills zeros)
1618 */
1619 sn = (atomic_inc_return(&tx_report->sn) & 0x003F) << 2;
1620
1621 tx_report->last_sent_sn = sn;
1622 tx_report->last_sent_time = jiffies;
1623 tx_info->sn = sn;
1624 tx_info->send_time = tx_report->last_sent_time;
1625 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
1626 "Send TX-Report sn=0x%X\n", sn);
1627
1628 return sn;
1629}
1630
1631void rtl_set_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc,
1632 struct ieee80211_hw *hw, struct rtlwifi_tx_info *tx_info)
1633{
1634 if (ptcb_desc->use_spe_rpt) {
1635 u16 sn = rtl_get_tx_report_sn(hw, tx_info);
1636
1637 SET_TX_DESC_SPE_RPT(pdesc, 1);
1638 SET_TX_DESC_SW_DEFINE(pdesc, sn);
1639 }
1640}
1641EXPORT_SYMBOL_GPL(rtl_set_tx_report);
1642
1643void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len)
1644{
1645 struct rtl_priv *rtlpriv = rtl_priv(hw);
1646 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1647 struct rtlwifi_tx_info *tx_info;
1648 struct sk_buff_head *queue = &tx_report->queue;
1649 struct sk_buff *skb;
1650 u16 sn;
1651 u8 st, retry;
1652
1653 if (rtlpriv->cfg->spec_ver & RTL_SPEC_EXT_C2H) {
1654 sn = GET_TX_REPORT_SN_V2(tmp_buf);
1655 st = GET_TX_REPORT_ST_V2(tmp_buf);
1656 retry = GET_TX_REPORT_RETRY_V2(tmp_buf);
1657 } else {
1658 sn = GET_TX_REPORT_SN_V1(tmp_buf);
1659 st = GET_TX_REPORT_ST_V1(tmp_buf);
1660 retry = GET_TX_REPORT_RETRY_V1(tmp_buf);
1661 }
1662
1663 tx_report->last_recv_sn = sn;
1664
1665 skb_queue_walk(queue, skb) {
1666 tx_info = rtl_tx_skb_cb_info(skb);
1667 if (tx_info->sn == sn) {
1668 skb_unlink(skb, queue);
1669 rtl_tx_status(hw, skb, st == 0);
1670 break;
1671 }
1672 }
1673 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
1674 "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n",
1675 st, sn, retry);
1676}
1677EXPORT_SYMBOL_GPL(rtl_tx_report_handler);
1678
1679bool rtl_check_tx_report_acked(struct ieee80211_hw *hw)
1680{
1681 struct rtl_priv *rtlpriv = rtl_priv(hw);
1682 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1683
1684 if (tx_report->last_sent_sn == tx_report->last_recv_sn)
1685 return true;
1686
1687 if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) {
1688 rtl_dbg(rtlpriv, COMP_TX_REPORT, DBG_WARNING,
1689 "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n",
1690 tx_report->last_sent_sn, tx_report->last_recv_sn);
1691 return true; /* 3 sec. (timeout) seen as acked */
1692 }
1693
1694 return false;
1695}
1696
1697void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms)
1698{
1699 struct rtl_priv *rtlpriv = rtl_priv(hw);
1700 int i;
1701
1702 for (i = 0; i < wait_ms; i++) {
1703 if (rtl_check_tx_report_acked(hw))
1704 break;
1705 usleep_range(1000, 2000);
1706 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1707 "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms);
1708 }
1709}
1710
1711u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw,
1712 struct ieee80211_vif *vif,
1713 enum wireless_mode wirelessmode,
1714 struct ieee80211_tx_queue_params *param)
1715{
1716 u32 reg = 0;
1717 u8 sifstime = 10;
1718 u8 slottime = 20;
1719
1720 /* AIFS = AIFSN * slot time + SIFS */
1721 switch (wirelessmode) {
1722 case WIRELESS_MODE_A:
1723 case WIRELESS_MODE_N_24G:
1724 case WIRELESS_MODE_N_5G:
1725 case WIRELESS_MODE_AC_5G:
1726 case WIRELESS_MODE_AC_24G:
1727 sifstime = 16;
1728 slottime = 9;
1729 break;
1730 case WIRELESS_MODE_G:
1731 slottime = (vif->bss_conf.use_short_slot ? 9 : 20);
1732 break;
1733 default:
1734 break;
1735 }
1736
1737 reg |= (param->txop & 0x7FF) << 16;
1738 reg |= (fls(param->cw_max) & 0xF) << 12;
1739 reg |= (fls(param->cw_min) & 0xF) << 8;
1740 reg |= (param->aifs & 0x0F) * slottime + sifstime;
1741
1742 return reg;
1743}
1744EXPORT_SYMBOL_GPL(rtl_get_hal_edca_param);
1745
1746/*********************************************************
1747 *
1748 * functions called by core.c
1749 *
1750 *********************************************************/
1751int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1752 struct ieee80211_sta *sta, u16 tid, u16 *ssn)
1753{
1754 struct rtl_priv *rtlpriv = rtl_priv(hw);
1755 struct rtl_tid_data *tid_data;
1756 struct rtl_sta_info *sta_entry = NULL;
1757
1758 if (sta == NULL)
1759 return -EINVAL;
1760
1761 if (unlikely(tid >= MAX_TID_COUNT))
1762 return -EINVAL;
1763
1764 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1765 tid_data = &sta_entry->tids[tid];
1766
1767 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG,
1768 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1769 *ssn);
1770
1771 tid_data->agg.agg_state = RTL_AGG_START;
1772
1773 return IEEE80211_AMPDU_TX_START_IMMEDIATE;
1774}
1775
1776int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1777 struct ieee80211_sta *sta, u16 tid)
1778{
1779 struct rtl_priv *rtlpriv = rtl_priv(hw);
1780 struct rtl_sta_info *sta_entry = NULL;
1781
1782 if (sta == NULL)
1783 return -EINVAL;
1784
1785 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG,
1786 "on ra = %pM tid = %d\n", sta->addr, tid);
1787
1788 if (unlikely(tid >= MAX_TID_COUNT))
1789 return -EINVAL;
1790
1791 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1792 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1793
1794 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1795 return 0;
1796}
1797
1798int rtl_rx_agg_start(struct ieee80211_hw *hw,
1799 struct ieee80211_sta *sta, u16 tid)
1800{
1801 struct rtl_priv *rtlpriv = rtl_priv(hw);
1802 struct rtl_tid_data *tid_data;
1803 struct rtl_sta_info *sta_entry = NULL;
1804 u8 reject_agg;
1805
1806 if (sta == NULL)
1807 return -EINVAL;
1808
1809 if (unlikely(tid >= MAX_TID_COUNT))
1810 return -EINVAL;
1811
1812 if (rtlpriv->cfg->ops->get_btc_status()) {
1813 rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv,
1814 &reject_agg,
1815 NULL, NULL);
1816 if (reject_agg)
1817 return -EINVAL;
1818 }
1819
1820 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1821 tid_data = &sta_entry->tids[tid];
1822
1823 rtl_dbg(rtlpriv, COMP_RECV, DBG_DMESG,
1824 "on ra = %pM tid = %d\n", sta->addr, tid);
1825
1826 tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1827 return 0;
1828}
1829
1830int rtl_rx_agg_stop(struct ieee80211_hw *hw,
1831 struct ieee80211_sta *sta, u16 tid)
1832{
1833 struct rtl_priv *rtlpriv = rtl_priv(hw);
1834 struct rtl_sta_info *sta_entry = NULL;
1835
1836 if (sta == NULL)
1837 return -EINVAL;
1838
1839 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG,
1840 "on ra = %pM tid = %d\n", sta->addr, tid);
1841
1842 if (unlikely(tid >= MAX_TID_COUNT))
1843 return -EINVAL;
1844
1845 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1846 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
1847
1848 return 0;
1849}
1850
1851int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1852 struct ieee80211_sta *sta, u16 tid)
1853{
1854 struct rtl_priv *rtlpriv = rtl_priv(hw);
1855 struct rtl_sta_info *sta_entry = NULL;
1856
1857 if (sta == NULL)
1858 return -EINVAL;
1859
1860 rtl_dbg(rtlpriv, COMP_SEND, DBG_DMESG,
1861 "on ra = %pM tid = %d\n", sta->addr, tid);
1862
1863 if (unlikely(tid >= MAX_TID_COUNT))
1864 return -EINVAL;
1865
1866 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1867 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1868
1869 return 0;
1870}
1871
1872void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv)
1873{
1874 struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
1875 u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0;
1876
1877 if (rtlpriv->cfg->ops->get_btc_status())
1878 btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg,
1879 &ctrl_agg_size, &agg_size);
1880
1881 rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_DMESG,
1882 "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d",
1883 reject_agg, ctrl_agg_size, agg_size);
1884
1885 rtlpriv->hw->max_rx_aggregation_subframes =
1886 (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF_HT);
1887}
1888EXPORT_SYMBOL(rtl_rx_ampdu_apply);
1889
1890/*********************************************************
1891 *
1892 * wq & timer callback functions
1893 *
1894 *********************************************************/
1895/* this function is used for roaming */
1896void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1897{
1898 struct rtl_priv *rtlpriv = rtl_priv(hw);
1899 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1900
1901 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1902 return;
1903
1904 if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1905 return;
1906
1907 /* check if this really is a beacon */
1908 if (!ieee80211_is_beacon(hdr->frame_control) &&
1909 !ieee80211_is_probe_resp(hdr->frame_control))
1910 return;
1911
1912 /* min. beacon length + FCS_LEN */
1913 if (skb->len <= 40 + FCS_LEN)
1914 return;
1915
1916 /* and only beacons from the associated BSSID, please */
1917 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1918 return;
1919
1920 rtlpriv->link_info.bcn_rx_inperiod++;
1921}
1922EXPORT_SYMBOL_GPL(rtl_beacon_statistic);
1923
1924static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw)
1925{
1926 struct rtl_priv *rtlpriv = rtl_priv(hw);
1927 struct rtl_bssid_entry *entry, *next;
1928
1929 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
1930 list_del(&entry->list);
1931 kfree(entry);
1932 rtlpriv->scan_list.num--;
1933 }
1934}
1935
1936static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw,
1937 bool chk_timeout)
1938{
1939 struct rtl_priv *rtlpriv = rtl_priv(hw);
1940 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1941 struct sk_buff_head *queue = &tx_report->queue;
1942 struct sk_buff *skb, *tmp;
1943 struct rtlwifi_tx_info *tx_info;
1944
1945 skb_queue_walk_safe(queue, skb, tmp) {
1946 tx_info = rtl_tx_skb_cb_info(skb);
1947 if (chk_timeout &&
1948 time_after(tx_info->send_time + HZ, jiffies))
1949 continue;
1950 skb_unlink(skb, queue);
1951 rtl_tx_status(hw, skb, false);
1952 }
1953}
1954
1955void rtl_scan_list_expire(struct ieee80211_hw *hw)
1956{
1957 struct rtl_priv *rtlpriv = rtl_priv(hw);
1958 struct rtl_bssid_entry *entry, *next;
1959 unsigned long flags;
1960
1961 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
1962
1963 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
1964 /* 180 seconds */
1965 if (jiffies_to_msecs(jiffies - entry->age) < 180000)
1966 continue;
1967
1968 list_del(&entry->list);
1969 rtlpriv->scan_list.num--;
1970
1971 rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD,
1972 "BSSID=%pM is expire in scan list (total=%d)\n",
1973 entry->bssid, rtlpriv->scan_list.num);
1974 kfree(entry);
1975 }
1976
1977 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags);
1978
1979 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1980}
1981
1982void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb)
1983{
1984 struct rtl_priv *rtlpriv = rtl_priv(hw);
1985 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1986 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1987 unsigned long flags;
1988
1989 struct rtl_bssid_entry *entry = NULL, *iter;
1990
1991 /* check if it is scanning */
1992 if (!mac->act_scanning)
1993 return;
1994
1995 /* check if this really is a beacon */
1996 if (!ieee80211_is_beacon(hdr->frame_control) &&
1997 !ieee80211_is_probe_resp(hdr->frame_control))
1998 return;
1999
2000 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
2001
2002 list_for_each_entry(iter, &rtlpriv->scan_list.list, list) {
2003 if (memcmp(iter->bssid, hdr->addr3, ETH_ALEN) == 0) {
2004 list_del_init(&iter->list);
2005 entry = iter;
2006 rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD,
2007 "Update BSSID=%pM to scan list (total=%d)\n",
2008 hdr->addr3, rtlpriv->scan_list.num);
2009 break;
2010 }
2011 }
2012
2013 if (!entry) {
2014 entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
2015
2016 if (!entry)
2017 goto label_err;
2018
2019 memcpy(entry->bssid, hdr->addr3, ETH_ALEN);
2020 rtlpriv->scan_list.num++;
2021
2022 rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD,
2023 "Add BSSID=%pM to scan list (total=%d)\n",
2024 hdr->addr3, rtlpriv->scan_list.num);
2025 }
2026
2027 entry->age = jiffies;
2028
2029 list_add_tail(&entry->list, &rtlpriv->scan_list.list);
2030
2031label_err:
2032 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags);
2033}
2034EXPORT_SYMBOL(rtl_collect_scan_list);
2035
2036static void rtl_watchdog_wq_callback(struct work_struct *work)
2037{
2038 struct rtl_works *rtlworks = container_of(work, struct rtl_works,
2039 watchdog_wq.work);
2040 struct ieee80211_hw *hw = rtlworks->hw;
2041 struct rtl_priv *rtlpriv = rtl_priv(hw);
2042 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2043 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2044 bool busytraffic = false;
2045 bool tx_busy_traffic = false;
2046 bool rx_busy_traffic = false;
2047 bool higher_busytraffic = false;
2048 bool higher_busyrxtraffic = false;
2049 u8 idx, tid;
2050 u32 rx_cnt_inp4eriod = 0;
2051 u32 tx_cnt_inp4eriod = 0;
2052 u32 aver_rx_cnt_inperiod = 0;
2053 u32 aver_tx_cnt_inperiod = 0;
2054 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
2055 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
2056
2057 if (is_hal_stop(rtlhal))
2058 return;
2059
2060 /* <1> Determine if action frame is allowed */
2061 if (mac->link_state > MAC80211_NOLINK) {
2062 if (mac->cnt_after_linked < 20)
2063 mac->cnt_after_linked++;
2064 } else {
2065 mac->cnt_after_linked = 0;
2066 }
2067
2068 /* <2> to check if traffic busy, if
2069 * busytraffic we don't change channel
2070 */
2071 if (mac->link_state >= MAC80211_LINKED) {
2072 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
2073 for (idx = 0; idx <= 2; idx++) {
2074 rtlpriv->link_info.num_rx_in4period[idx] =
2075 rtlpriv->link_info.num_rx_in4period[idx + 1];
2076 rtlpriv->link_info.num_tx_in4period[idx] =
2077 rtlpriv->link_info.num_tx_in4period[idx + 1];
2078 }
2079 rtlpriv->link_info.num_rx_in4period[3] =
2080 rtlpriv->link_info.num_rx_inperiod;
2081 rtlpriv->link_info.num_tx_in4period[3] =
2082 rtlpriv->link_info.num_tx_inperiod;
2083 for (idx = 0; idx <= 3; idx++) {
2084 rx_cnt_inp4eriod +=
2085 rtlpriv->link_info.num_rx_in4period[idx];
2086 tx_cnt_inp4eriod +=
2087 rtlpriv->link_info.num_tx_in4period[idx];
2088 }
2089 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
2090 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
2091
2092 /* (2) check traffic busy */
2093 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
2094 busytraffic = true;
2095 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
2096 rx_busy_traffic = true;
2097 else
2098 tx_busy_traffic = false;
2099 }
2100
2101 /* Higher Tx/Rx data. */
2102 if (aver_rx_cnt_inperiod > 4000 ||
2103 aver_tx_cnt_inperiod > 4000) {
2104 higher_busytraffic = true;
2105
2106 /* Extremely high Rx data. */
2107 if (aver_rx_cnt_inperiod > 5000)
2108 higher_busyrxtraffic = true;
2109 }
2110
2111 /* check every tid's tx traffic */
2112 for (tid = 0; tid <= 7; tid++) {
2113 for (idx = 0; idx <= 2; idx++)
2114 rtlpriv->link_info.tidtx_in4period[tid][idx] =
2115 rtlpriv->link_info.tidtx_in4period[tid]
2116 [idx + 1];
2117 rtlpriv->link_info.tidtx_in4period[tid][3] =
2118 rtlpriv->link_info.tidtx_inperiod[tid];
2119
2120 for (idx = 0; idx <= 3; idx++)
2121 tidtx_inp4eriod[tid] +=
2122 rtlpriv->link_info.tidtx_in4period[tid][idx];
2123 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
2124 if (aver_tidtx_inperiod[tid] > 5000)
2125 rtlpriv->link_info.higher_busytxtraffic[tid] =
2126 true;
2127 else
2128 rtlpriv->link_info.higher_busytxtraffic[tid] =
2129 false;
2130 }
2131
2132 /* PS is controlled by coex. */
2133 if (rtlpriv->cfg->ops->get_btc_status() &&
2134 rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv))
2135 goto label_lps_done;
2136
2137 if (rtlpriv->link_info.num_rx_inperiod +
2138 rtlpriv->link_info.num_tx_inperiod > 8 ||
2139 rtlpriv->link_info.num_rx_inperiod > 2)
2140 rtl_lps_leave(hw, true);
2141 else
2142 rtl_lps_enter(hw, true);
2143
2144label_lps_done:
2145 ;
2146 }
2147
2148 for (tid = 0; tid <= 7; tid++)
2149 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
2150
2151 rtlpriv->link_info.busytraffic = busytraffic;
2152 rtlpriv->link_info.higher_busytraffic = higher_busytraffic;
2153 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic;
2154 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic;
2155 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic;
2156
2157 rtlpriv->stats.txbytesunicast_inperiod =
2158 rtlpriv->stats.txbytesunicast -
2159 rtlpriv->stats.txbytesunicast_last;
2160 rtlpriv->stats.rxbytesunicast_inperiod =
2161 rtlpriv->stats.rxbytesunicast -
2162 rtlpriv->stats.rxbytesunicast_last;
2163 rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast;
2164 rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast;
2165
2166 rtlpriv->stats.txbytesunicast_inperiod_tp =
2167 (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 /
2168 1024 / 1024);
2169 rtlpriv->stats.rxbytesunicast_inperiod_tp =
2170 (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 /
2171 1024 / 1024);
2172
2173 /* <3> DM */
2174 if (!rtlpriv->cfg->mod_params->disable_watchdog)
2175 rtlpriv->cfg->ops->dm_watchdog(hw);
2176
2177 /* <4> roaming */
2178 if (mac->link_state == MAC80211_LINKED &&
2179 mac->opmode == NL80211_IFTYPE_STATION) {
2180 if ((rtlpriv->link_info.bcn_rx_inperiod +
2181 rtlpriv->link_info.num_rx_inperiod) == 0) {
2182 rtlpriv->link_info.roam_times++;
2183 rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG,
2184 "AP off for %d s\n",
2185 (rtlpriv->link_info.roam_times * 2));
2186
2187 /* if we can't recv beacon for 10s,
2188 * we should reconnect this AP
2189 */
2190 if (rtlpriv->link_info.roam_times >= 5) {
2191 pr_err("AP off, try to reconnect now\n");
2192 rtlpriv->link_info.roam_times = 0;
2193 ieee80211_connection_loss(
2194 rtlpriv->mac80211.vif);
2195 }
2196 } else {
2197 rtlpriv->link_info.roam_times = 0;
2198 }
2199 }
2200
2201 if (rtlpriv->cfg->ops->get_btc_status())
2202 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv);
2203
2204 if (rtlpriv->btcoexist.btc_info.in_4way) {
2205 if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts +
2206 msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME)))
2207 rtlpriv->btcoexist.btc_info.in_4way = false;
2208 }
2209
2210 rtlpriv->link_info.num_rx_inperiod = 0;
2211 rtlpriv->link_info.num_tx_inperiod = 0;
2212 rtlpriv->link_info.bcn_rx_inperiod = 0;
2213
2214 /* <6> scan list */
2215 rtl_scan_list_expire(hw);
2216
2217 /* <7> check ack queue */
2218 rtl_free_entries_from_ack_queue(hw, true);
2219}
2220
2221void rtl_watch_dog_timer_callback(struct timer_list *t)
2222{
2223 struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer);
2224
2225 queue_delayed_work(rtlpriv->works.rtl_wq,
2226 &rtlpriv->works.watchdog_wq, 0);
2227
2228 mod_timer(&rtlpriv->works.watchdog_timer,
2229 jiffies + MSECS(RTL_WATCH_DOG_TIME));
2230}
2231
2232static void rtl_fwevt_wq_callback(struct work_struct *work)
2233{
2234 struct rtl_works *rtlworks = container_of(work, struct rtl_works,
2235 fwevt_wq.work);
2236 struct ieee80211_hw *hw = rtlworks->hw;
2237 struct rtl_priv *rtlpriv = rtl_priv(hw);
2238
2239 rtlpriv->cfg->ops->c2h_command_handle(hw);
2240}
2241
2242static void rtl_c2h_content_parsing(struct ieee80211_hw *hw,
2243 struct sk_buff *skb);
2244
2245static bool rtl_c2h_fast_cmd(struct ieee80211_hw *hw, struct sk_buff *skb)
2246{
2247 u8 cmd_id = GET_C2H_CMD_ID(skb->data);
2248
2249 switch (cmd_id) {
2250 case C2H_BT_MP:
2251 return true;
2252 default:
2253 break;
2254 }
2255
2256 return false;
2257}
2258
2259void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, struct sk_buff *skb)
2260{
2261 struct rtl_priv *rtlpriv = rtl_priv(hw);
2262
2263 if (rtl_c2h_fast_cmd(hw, skb)) {
2264 rtl_c2h_content_parsing(hw, skb);
2265 kfree_skb(skb);
2266 return;
2267 }
2268
2269 /* enqueue */
2270 skb_queue_tail(&rtlpriv->c2hcmd_queue, skb);
2271
2272 /* wake up wq */
2273 queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0);
2274}
2275EXPORT_SYMBOL(rtl_c2hcmd_enqueue);
2276
2277static void rtl_c2h_content_parsing(struct ieee80211_hw *hw,
2278 struct sk_buff *skb)
2279{
2280 struct rtl_priv *rtlpriv = rtl_priv(hw);
2281 const struct rtl_hal_ops *hal_ops = rtlpriv->cfg->ops;
2282 const struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
2283 u8 cmd_id, cmd_len;
2284 u8 *cmd_buf = NULL;
2285
2286 cmd_id = GET_C2H_CMD_ID(skb->data);
2287 cmd_len = skb->len - C2H_DATA_OFFSET;
2288 cmd_buf = GET_C2H_DATA_PTR(skb->data);
2289
2290 switch (cmd_id) {
2291 case C2H_DBG:
2292 rtl_dbg(rtlpriv, COMP_FW, DBG_LOUD, "[C2H], C2H_DBG!!\n");
2293 break;
2294 case C2H_TXBF:
2295 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE,
2296 "[C2H], C2H_TXBF!!\n");
2297 break;
2298 case C2H_TX_REPORT:
2299 rtl_tx_report_handler(hw, cmd_buf, cmd_len);
2300 break;
2301 case C2H_RA_RPT:
2302 if (hal_ops->c2h_ra_report_handler)
2303 hal_ops->c2h_ra_report_handler(hw, cmd_buf, cmd_len);
2304 break;
2305 case C2H_BT_INFO:
2306 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE,
2307 "[C2H], C2H_BT_INFO!!\n");
2308 if (rtlpriv->cfg->ops->get_btc_status())
2309 btc_ops->btc_btinfo_notify(rtlpriv, cmd_buf, cmd_len);
2310 break;
2311 case C2H_BT_MP:
2312 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE,
2313 "[C2H], C2H_BT_MP!!\n");
2314 if (rtlpriv->cfg->ops->get_btc_status())
2315 btc_ops->btc_btmpinfo_notify(rtlpriv, cmd_buf, cmd_len);
2316 break;
2317 default:
2318 rtl_dbg(rtlpriv, COMP_FW, DBG_TRACE,
2319 "[C2H], Unknown packet!! cmd_id(%#X)!\n", cmd_id);
2320 break;
2321 }
2322}
2323
2324void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec)
2325{
2326 struct rtl_priv *rtlpriv = rtl_priv(hw);
2327 struct sk_buff *skb;
2328 int i;
2329
2330 for (i = 0; i < 200; i++) {
2331 /* dequeue a task */
2332 skb = skb_dequeue(&rtlpriv->c2hcmd_queue);
2333
2334 /* do it */
2335 if (!skb)
2336 break;
2337
2338 rtl_dbg(rtlpriv, COMP_FW, DBG_DMESG, "C2H rx_desc_shift=%d\n",
2339 *((u8 *)skb->cb));
2340 RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_DMESG,
2341 "C2H data: ", skb->data, skb->len);
2342
2343 if (exec)
2344 rtl_c2h_content_parsing(hw, skb);
2345
2346 /* free */
2347 dev_kfree_skb_any(skb);
2348 }
2349}
2350
2351static void rtl_c2hcmd_wq_callback(struct work_struct *work)
2352{
2353 struct rtl_works *rtlworks = container_of(work, struct rtl_works,
2354 c2hcmd_wq.work);
2355 struct ieee80211_hw *hw = rtlworks->hw;
2356
2357 rtl_c2hcmd_launcher(hw, 1);
2358}
2359
2360/*********************************************************
2361 *
2362 * frame process functions
2363 *
2364 *********************************************************/
2365u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
2366{
2367 struct ieee80211_mgmt *mgmt = (void *)data;
2368 u8 *pos, *end;
2369
2370 pos = (u8 *)mgmt->u.beacon.variable;
2371 end = data + len;
2372 while (pos < end) {
2373 if (pos + 2 + pos[1] > end)
2374 return NULL;
2375
2376 if (pos[0] == ie)
2377 return pos;
2378
2379 pos += 2 + pos[1];
2380 }
2381 return NULL;
2382}
2383
2384/* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
2385/* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
2386static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
2387 enum ieee80211_smps_mode smps,
2388 u8 *da, u8 *bssid)
2389{
2390 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
2391 struct sk_buff *skb;
2392 struct ieee80211_mgmt *action_frame;
2393
2394 /* 27 = header + category + action + smps mode */
2395 skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
2396 if (!skb)
2397 return NULL;
2398
2399 skb_reserve(skb, hw->extra_tx_headroom);
2400 action_frame = skb_put_zero(skb, 27);
2401 memcpy(action_frame->da, da, ETH_ALEN);
2402 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
2403 memcpy(action_frame->bssid, bssid, ETH_ALEN);
2404 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2405 IEEE80211_STYPE_ACTION);
2406 action_frame->u.action.category = WLAN_CATEGORY_HT;
2407 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
2408 switch (smps) {
2409 case IEEE80211_SMPS_AUTOMATIC:/* 0 */
2410 case IEEE80211_SMPS_NUM_MODES:/* 4 */
2411 WARN_ON(1);
2412 fallthrough;
2413 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
2414 action_frame->u.action.u.ht_smps.smps_control =
2415 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
2416 break;
2417 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
2418 action_frame->u.action.u.ht_smps.smps_control =
2419 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
2420 break;
2421 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
2422 action_frame->u.action.u.ht_smps.smps_control =
2423 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
2424 break;
2425 }
2426
2427 return skb;
2428}
2429
2430int rtl_send_smps_action(struct ieee80211_hw *hw,
2431 struct ieee80211_sta *sta,
2432 enum ieee80211_smps_mode smps)
2433{
2434 struct rtl_priv *rtlpriv = rtl_priv(hw);
2435 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2436 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
2437 struct sk_buff *skb = NULL;
2438 struct rtl_tcb_desc tcb_desc;
2439 u8 bssid[ETH_ALEN] = {0};
2440
2441 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
2442
2443 if (rtlpriv->mac80211.act_scanning)
2444 goto err_free;
2445
2446 if (!sta)
2447 goto err_free;
2448
2449 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
2450 goto err_free;
2451
2452 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
2453 goto err_free;
2454
2455 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
2456 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
2457 else
2458 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
2459
2460 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
2461 /* this is a type = mgmt * stype = action frame */
2462 if (skb) {
2463 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
2464 struct rtl_sta_info *sta_entry =
2465 (struct rtl_sta_info *) sta->drv_priv;
2466 sta_entry->mimo_ps = smps;
2467 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); */
2468
2469 info->control.rates[0].idx = 0;
2470 info->band = hw->conf.chandef.chan->band;
2471 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
2472 }
2473 return 1;
2474
2475err_free:
2476 return 0;
2477}
2478EXPORT_SYMBOL(rtl_send_smps_action);
2479
2480void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation)
2481{
2482 struct rtl_priv *rtlpriv = rtl_priv(hw);
2483 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2484 enum io_type iotype;
2485
2486 if (!is_hal_stop(rtlhal)) {
2487 switch (operation) {
2488 case SCAN_OPT_BACKUP:
2489 iotype = IO_CMD_PAUSE_DM_BY_SCAN;
2490 rtlpriv->cfg->ops->set_hw_reg(hw,
2491 HW_VAR_IO_CMD,
2492 (u8 *)&iotype);
2493 break;
2494 case SCAN_OPT_RESTORE:
2495 iotype = IO_CMD_RESUME_DM_BY_SCAN;
2496 rtlpriv->cfg->ops->set_hw_reg(hw,
2497 HW_VAR_IO_CMD,
2498 (u8 *)&iotype);
2499 break;
2500 default:
2501 pr_err("Unknown Scan Backup operation.\n");
2502 break;
2503 }
2504 }
2505}
2506EXPORT_SYMBOL(rtl_phy_scan_operation_backup);
2507
2508/* because mac80211 have issues when can receive del ba
2509 * so here we just make a fake del_ba if we receive a ba_req
2510 * but rx_agg was opened to let mac80211 release some ba
2511 * related resources, so please this del_ba for tx
2512 */
2513struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
2514 u8 *sa, u8 *bssid, u16 tid)
2515{
2516 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
2517 struct sk_buff *skb;
2518 struct ieee80211_mgmt *action_frame;
2519 u16 params;
2520
2521 /* 27 = header + category + action + smps mode */
2522 skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
2523 if (!skb)
2524 return NULL;
2525
2526 skb_reserve(skb, hw->extra_tx_headroom);
2527 action_frame = skb_put_zero(skb, 34);
2528 memcpy(action_frame->sa, sa, ETH_ALEN);
2529 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
2530 memcpy(action_frame->bssid, bssid, ETH_ALEN);
2531 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2532 IEEE80211_STYPE_ACTION);
2533 action_frame->u.action.category = WLAN_CATEGORY_BACK;
2534 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
2535 params = (u16)(1 << 11); /* bit 11 initiator */
2536 params |= (u16)(tid << 12); /* bit 15:12 TID number */
2537
2538 action_frame->u.action.u.delba.params = cpu_to_le16(params);
2539 action_frame->u.action.u.delba.reason_code =
2540 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
2541
2542 return skb;
2543}
2544
2545/*********************************************************
2546 *
2547 * IOT functions
2548 *
2549 *********************************************************/
2550static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
2551 struct octet_string vendor_ie)
2552{
2553 struct rtl_priv *rtlpriv = rtl_priv(hw);
2554 bool matched = false;
2555 static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
2556 static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
2557 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
2558 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
2559 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
2560 static u8 racap[] = { 0x00, 0x0c, 0x43 };
2561 static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
2562 static u8 marvcap[] = { 0x00, 0x50, 0x43 };
2563
2564 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
2565 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
2566 rtlpriv->mac80211.vendor = PEER_ATH;
2567 matched = true;
2568 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
2569 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
2570 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
2571 rtlpriv->mac80211.vendor = PEER_BROAD;
2572 matched = true;
2573 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
2574 rtlpriv->mac80211.vendor = PEER_RAL;
2575 matched = true;
2576 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
2577 rtlpriv->mac80211.vendor = PEER_CISCO;
2578 matched = true;
2579 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
2580 rtlpriv->mac80211.vendor = PEER_MARV;
2581 matched = true;
2582 }
2583
2584 return matched;
2585}
2586
2587static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
2588 unsigned int len)
2589{
2590 struct ieee80211_mgmt *mgmt = (void *)data;
2591 struct octet_string vendor_ie;
2592 u8 *pos, *end;
2593
2594 pos = (u8 *)mgmt->u.beacon.variable;
2595 end = data + len;
2596 while (pos < end) {
2597 if (pos[0] == 221) {
2598 vendor_ie.length = pos[1];
2599 vendor_ie.octet = &pos[2];
2600 if (rtl_chk_vendor_ouisub(hw, vendor_ie))
2601 return true;
2602 }
2603
2604 if (pos + 2 + pos[1] > end)
2605 return false;
2606
2607 pos += 2 + pos[1];
2608 }
2609 return false;
2610}
2611
2612void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
2613{
2614 struct rtl_priv *rtlpriv = rtl_priv(hw);
2615 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2616 struct ieee80211_hdr *hdr = (void *)data;
2617 u32 vendor = PEER_UNKNOWN;
2618
2619 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
2620 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
2621 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
2622 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
2623 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
2624 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
2625 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
2626 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
2627 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
2628 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
2629 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
2630 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
2631 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
2632 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
2633 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
2634 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
2635
2636 if (mac->opmode != NL80211_IFTYPE_STATION)
2637 return;
2638
2639 if (mac->link_state == MAC80211_NOLINK) {
2640 mac->vendor = PEER_UNKNOWN;
2641 return;
2642 }
2643
2644 if (mac->cnt_after_linked > 2)
2645 return;
2646
2647 /* check if this really is a beacon */
2648 if (!ieee80211_is_beacon(hdr->frame_control))
2649 return;
2650
2651 /* min. beacon length + FCS_LEN */
2652 if (len <= 40 + FCS_LEN)
2653 return;
2654
2655 /* and only beacons from the associated BSSID, please */
2656 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
2657 return;
2658
2659 if (rtl_find_221_ie(hw, data, len))
2660 vendor = mac->vendor;
2661
2662 if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
2663 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
2664 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
2665 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
2666 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
2667 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
2668 vendor == PEER_ATH) {
2669 vendor = PEER_ATH;
2670 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n");
2671 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
2672 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
2673 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
2674 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
2675 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
2676 vendor == PEER_RAL) {
2677 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n");
2678 vendor = PEER_RAL;
2679 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
2680 vendor == PEER_CISCO) {
2681 vendor = PEER_CISCO;
2682 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n");
2683 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
2684 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
2685 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
2686 vendor == PEER_BROAD) {
2687 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n");
2688 vendor = PEER_BROAD;
2689 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
2690 vendor == PEER_MARV) {
2691 vendor = PEER_MARV;
2692 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n");
2693 }
2694
2695 mac->vendor = vendor;
2696}
2697EXPORT_SYMBOL_GPL(rtl_recognize_peer);
2698
2699MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
2700MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
2701MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
2702MODULE_LICENSE("GPL");
2703MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
2704
2705static int __init rtl_core_module_init(void)
2706{
2707 BUILD_BUG_ON(TX_PWR_BY_RATE_NUM_RATE < TX_PWR_BY_RATE_NUM_SECTION);
2708 BUILD_BUG_ON(MAX_RATE_SECTION_NUM != MAX_RATE_SECTION);
2709 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_24G != MAX_RATE_SECTION);
2710 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_5G != (MAX_RATE_SECTION - 1));
2711
2712 if (rtl_rate_control_register())
2713 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n");
2714
2715 /* add debugfs */
2716 rtl_debugfs_add_topdir();
2717
2718 return 0;
2719}
2720
2721static void __exit rtl_core_module_exit(void)
2722{
2723 /*RC*/
2724 rtl_rate_control_unregister();
2725
2726 /* remove debugfs */
2727 rtl_debugfs_remove_topdir();
2728}
2729
2730module_init(rtl_core_module_init);
2731module_exit(rtl_core_module_exit);