1 /******************************************************************************
3 * Copyright(c) 2009-2012 Realtek Corporation.
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.
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
14 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
22 * Larry Finger <Larry.Finger@lwfinger.net>
24 *****************************************************************************/
35 #include <linux/module.h>
36 #include <linux/udp.h>
39 *NOTICE!!!: This file will be very big, we should
40 *keep it clear under following roles:
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
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
58 /*********************************************************
60 * mac80211 init functions
62 *********************************************************/
63 static 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,},
80 static 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,},
107 static 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,},
122 static 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,},
133 static const struct ieee80211_supported_band rtl_band_2ghz = {
134 .band = NL80211_BAND_2GHZ,
136 .channels = rtl_channeltable_2g,
137 .n_channels = ARRAY_SIZE(rtl_channeltable_2g),
139 .bitrates = rtl_ratetable_2g,
140 .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g),
145 static struct ieee80211_supported_band rtl_band_5ghz = {
146 .band = NL80211_BAND_5GHZ,
148 .channels = rtl_channeltable_5g,
149 .n_channels = ARRAY_SIZE(rtl_channeltable_5g),
151 .bitrates = rtl_ratetable_5g,
152 .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g),
157 static 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 */
168 u8 rtl_tid_to_ac(u8 tid)
170 return tid_to_ac[tid];
172 EXPORT_SYMBOL_GPL(rtl_tid_to_ac);
174 static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
175 struct ieee80211_sta_ht_cap *ht_cap)
177 struct rtl_priv *rtlpriv = rtl_priv(hw);
178 struct rtl_phy *rtlphy = &(rtlpriv->phy);
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;
186 if (rtlpriv->rtlhal.disable_amsdu_8k)
187 ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
190 *Maximum length of AMPDU that the STA can receive.
191 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
193 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
195 /*Minimum MPDU start spacing , */
196 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
198 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
200 /*hw->wiphy->bands[NL80211_BAND_2GHZ]
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
209 if (rtlpriv->dm.supp_phymode_switch) {
210 pr_info("Support phy mode switch\n");
212 ht_cap->mcs.rx_mask[0] = 0xFF;
213 ht_cap->mcs.rx_mask[1] = 0xFF;
214 ht_cap->mcs.rx_mask[4] = 0x01;
216 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
218 if (get_rf_type(rtlphy) == RF_1T2R ||
219 get_rf_type(rtlphy) == RF_2T2R) {
220 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
222 ht_cap->mcs.rx_mask[0] = 0xFF;
223 ht_cap->mcs.rx_mask[1] = 0xFF;
224 ht_cap->mcs.rx_mask[4] = 0x01;
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");
231 ht_cap->mcs.rx_mask[0] = 0xFF;
232 ht_cap->mcs.rx_mask[1] = 0x00;
233 ht_cap->mcs.rx_mask[4] = 0x01;
235 ht_cap->mcs.rx_highest =
236 cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
241 static void _rtl_init_hw_vht_capab(struct ieee80211_hw *hw,
242 struct ieee80211_sta_vht_cap *vht_cap)
244 struct rtl_priv *rtlpriv = rtl_priv(hw);
245 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
247 if (!(rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT))
250 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE ||
251 rtlhal->hw_type == HARDWARE_TYPE_RTL8822BE) {
254 vht_cap->vht_supported = true;
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 |
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;
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) {
286 vht_cap->vht_supported = true;
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 |
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;
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);
318 static void _rtl_init_mac80211(struct ieee80211_hw *hw)
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;
326 if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY &&
327 rtlhal->bandset == BAND_ON_BOTH) {
329 /* <1> use mac->bands as mem for hw->wiphy->bands */
330 sband = &(rtlmac->bands[NL80211_BAND_2GHZ]);
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));
337 /* <3> init ht cap base on ant_num */
338 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
340 /* <4> set mac->sband to wiphy->sband */
341 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
344 /* <1> use mac->bands as mem for hw->wiphy->bands */
345 sband = &(rtlmac->bands[NL80211_BAND_5GHZ]);
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));
352 /* <3> init ht cap base on ant_num */
353 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
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;
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]);
363 /* <2> set hw->wiphy->bands[NL80211_BAND_2GHZ]
364 * to default value(1T1R) */
365 memcpy(&(rtlmac->bands[NL80211_BAND_2GHZ]),
367 sizeof(struct ieee80211_supported_band));
369 /* <3> init ht cap base on ant_num */
370 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
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]);
378 /* <2> set hw->wiphy->bands[NL80211_BAND_5GHZ]
379 * to default value(1T1R) */
380 memcpy(&(rtlmac->bands[NL80211_BAND_5GHZ]),
382 sizeof(struct ieee80211_supported_band));
384 /* <3> init ht cap base on ant_num */
385 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
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;
391 pr_err("Err BAND %d\n",
392 rtlhal->current_bandtype);
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, MFP_CAPABLE);
400 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
401 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
402 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
404 /* swlps or hwlps has been set in diff chip in init_sw_vars */
405 if (rtlpriv->psc.swctrl_lps) {
406 ieee80211_hw_set(hw, SUPPORTS_PS);
407 ieee80211_hw_set(hw, PS_NULLFUNC_STACK);
409 if (rtlpriv->psc.fwctrl_lps) {
410 ieee80211_hw_set(hw, SUPPORTS_PS);
411 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
413 hw->wiphy->interface_modes =
414 BIT(NL80211_IFTYPE_AP) |
415 BIT(NL80211_IFTYPE_STATION) |
416 BIT(NL80211_IFTYPE_ADHOC) |
417 BIT(NL80211_IFTYPE_MESH_POINT) |
418 BIT(NL80211_IFTYPE_P2P_CLIENT) |
419 BIT(NL80211_IFTYPE_P2P_GO);
420 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
422 hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
424 hw->wiphy->rts_threshold = 2347;
427 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
429 /* TODO: Correct this value for our hw */
430 hw->max_listen_interval = MAX_LISTEN_INTERVAL;
431 hw->max_rate_tries = MAX_RATE_TRIES;
432 /* hw->max_rates = 1; */
433 hw->sta_data_size = sizeof(struct rtl_sta_info);
435 /* wowlan is not supported by kernel if CONFIG_PM is not defined */
437 if (rtlpriv->psc.wo_wlan_mode) {
438 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET)
439 rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT;
440 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) {
441 rtlpriv->wowlan.n_patterns =
442 MAX_SUPPORT_WOL_PATTERN_NUM;
443 rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE;
444 rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE;
446 hw->wiphy->wowlan = &rtlpriv->wowlan;
450 /* <6> mac address */
451 if (is_valid_ether_addr(rtlefuse->dev_addr)) {
452 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
454 u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
455 get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1);
456 SET_IEEE80211_PERM_ADDR(hw, rtlmac1);
460 static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
462 struct rtl_priv *rtlpriv = rtl_priv(hw);
465 timer_setup(&rtlpriv->works.watchdog_timer,
466 rtl_watch_dog_timer_callback, 0);
467 timer_setup(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
468 rtl_easy_concurrent_retrytimer_callback, 0);
470 rtlpriv->works.hw = hw;
471 rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name);
472 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
473 (void *)rtl_watchdog_wq_callback);
474 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
475 (void *)rtl_ips_nic_off_wq_callback);
476 INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
477 (void *)rtl_swlps_wq_callback);
478 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
479 (void *)rtl_swlps_rfon_wq_callback);
480 INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq,
481 (void *)rtl_fwevt_wq_callback);
482 INIT_DELAYED_WORK(&rtlpriv->works.c2hcmd_wq,
483 (void *)rtl_c2hcmd_wq_callback);
487 void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
489 struct rtl_priv *rtlpriv = rtl_priv(hw);
491 del_timer_sync(&rtlpriv->works.watchdog_timer);
493 cancel_delayed_work(&rtlpriv->works.watchdog_wq);
494 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
495 cancel_delayed_work(&rtlpriv->works.ps_work);
496 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
497 cancel_delayed_work(&rtlpriv->works.fwevt_wq);
498 cancel_delayed_work(&rtlpriv->works.c2hcmd_wq);
500 EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work);
502 void rtl_init_rfkill(struct ieee80211_hw *hw)
504 struct rtl_priv *rtlpriv = rtl_priv(hw);
510 /*set init state to on */
511 rtlpriv->rfkill.rfkill_state = true;
512 wiphy_rfkill_set_hw_state(hw->wiphy, 0);
514 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
517 pr_info("rtlwifi: wireless switch is %s\n",
518 rtlpriv->rfkill.rfkill_state ? "on" : "off");
520 rtlpriv->rfkill.rfkill_state = radio_state;
522 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
523 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
526 wiphy_rfkill_start_polling(hw->wiphy);
528 EXPORT_SYMBOL(rtl_init_rfkill);
530 void rtl_deinit_rfkill(struct ieee80211_hw *hw)
532 wiphy_rfkill_stop_polling(hw->wiphy);
534 EXPORT_SYMBOL_GPL(rtl_deinit_rfkill);
536 int rtl_init_core(struct ieee80211_hw *hw)
538 struct rtl_priv *rtlpriv = rtl_priv(hw);
539 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
541 /* <1> init mac80211 */
542 _rtl_init_mac80211(hw);
545 /* <2> rate control register */
546 hw->rate_control_algorithm = "rtl_rc";
549 * <3> init CRDA must come after init
550 * mac80211 hw in _rtl_init_mac80211.
552 if (rtl_regd_init(hw, rtl_reg_notifier)) {
553 pr_err("REGD init failed\n");
558 mutex_init(&rtlpriv->locks.conf_mutex);
559 mutex_init(&rtlpriv->locks.ips_mutex);
560 mutex_init(&rtlpriv->locks.lps_mutex);
561 spin_lock_init(&rtlpriv->locks.irq_th_lock);
562 spin_lock_init(&rtlpriv->locks.h2c_lock);
563 spin_lock_init(&rtlpriv->locks.rf_ps_lock);
564 spin_lock_init(&rtlpriv->locks.rf_lock);
565 spin_lock_init(&rtlpriv->locks.waitq_lock);
566 spin_lock_init(&rtlpriv->locks.entry_list_lock);
567 spin_lock_init(&rtlpriv->locks.c2hcmd_lock);
568 spin_lock_init(&rtlpriv->locks.scan_list_lock);
569 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
570 spin_lock_init(&rtlpriv->locks.fw_ps_lock);
571 spin_lock_init(&rtlpriv->locks.iqk_lock);
573 INIT_LIST_HEAD(&rtlpriv->entry_list);
574 INIT_LIST_HEAD(&rtlpriv->scan_list.list);
575 skb_queue_head_init(&rtlpriv->tx_report.queue);
576 skb_queue_head_init(&rtlpriv->c2hcmd_queue);
578 rtlmac->link_state = MAC80211_NOLINK;
580 /* <6> init deferred work */
581 _rtl_init_deferred_work(hw);
585 EXPORT_SYMBOL_GPL(rtl_init_core);
587 static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw);
588 static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw,
591 void rtl_deinit_core(struct ieee80211_hw *hw)
593 rtl_c2hcmd_launcher(hw, 0);
594 rtl_free_entries_from_scan_list(hw);
595 rtl_free_entries_from_ack_queue(hw, false);
597 EXPORT_SYMBOL_GPL(rtl_deinit_core);
599 void rtl_init_rx_config(struct ieee80211_hw *hw)
601 struct rtl_priv *rtlpriv = rtl_priv(hw);
602 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
604 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
606 EXPORT_SYMBOL_GPL(rtl_init_rx_config);
608 /*********************************************************
610 * tx information functions
612 *********************************************************/
613 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
614 struct rtl_tcb_desc *tcb_desc,
615 struct ieee80211_tx_info *info)
617 struct rtl_priv *rtlpriv = rtl_priv(hw);
618 u8 rate_flag = info->control.rates[0].flags;
620 tcb_desc->use_shortpreamble = false;
622 /* 1M can only use Long Preamble. 11B spec */
623 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
625 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
626 tcb_desc->use_shortpreamble = true;
631 static void _rtl_query_shortgi(struct ieee80211_hw *hw,
632 struct ieee80211_sta *sta,
633 struct rtl_tcb_desc *tcb_desc,
634 struct ieee80211_tx_info *info)
636 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
637 u8 rate_flag = info->control.rates[0].flags;
638 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
639 u8 sgi_80 = 0, bw_80 = 0;
640 tcb_desc->use_shortgi = false;
645 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
646 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
647 sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80;
649 if ((!sta->ht_cap.ht_supported) && (!sta->vht_cap.vht_supported))
652 if (!sgi_40 && !sgi_20)
655 if (mac->opmode == NL80211_IFTYPE_STATION) {
658 } else if (mac->opmode == NL80211_IFTYPE_AP ||
659 mac->opmode == NL80211_IFTYPE_ADHOC ||
660 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
661 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
662 bw_80 = sta->vht_cap.vht_supported;
667 tcb_desc->use_shortgi = true;
669 tcb_desc->use_shortgi = false;
672 tcb_desc->use_shortgi = true;
673 else if (!bw_40 && sgi_20)
674 tcb_desc->use_shortgi = true;
677 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
678 tcb_desc->use_shortgi = false;
681 static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
682 struct rtl_tcb_desc *tcb_desc,
683 struct ieee80211_tx_info *info)
685 struct rtl_priv *rtlpriv = rtl_priv(hw);
686 u8 rate_flag = info->control.rates[0].flags;
688 /* Common Settings */
689 tcb_desc->rts_stbc = false;
690 tcb_desc->cts_enable = false;
691 tcb_desc->rts_sc = 0;
692 tcb_desc->rts_bw = false;
693 tcb_desc->rts_use_shortpreamble = false;
694 tcb_desc->rts_use_shortgi = false;
696 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
697 /* Use CTS-to-SELF in protection mode. */
698 tcb_desc->rts_enable = true;
699 tcb_desc->cts_enable = true;
700 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
701 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
702 /* Use RTS-CTS in protection mode. */
703 tcb_desc->rts_enable = true;
704 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
708 u8 rtl_mrate_idx_to_arfr_id(struct ieee80211_hw *hw, u8 rate_index,
709 enum wireless_mode wirelessmode)
711 struct rtl_priv *rtlpriv = rtl_priv(hw);
712 struct rtl_phy *rtlphy = &rtlpriv->phy;
715 switch (rate_index) {
716 case RATR_INX_WIRELESS_NGB:
717 if (rtlphy->rf_type == RF_1T1R)
718 ret = RATEID_IDX_BGN_40M_1SS;
720 ret = RATEID_IDX_BGN_40M_2SS;
722 case RATR_INX_WIRELESS_N:
723 case RATR_INX_WIRELESS_NG:
724 if (rtlphy->rf_type == RF_1T1R)
725 ret = RATEID_IDX_GN_N1SS;
727 ret = RATEID_IDX_GN_N2SS;
729 case RATR_INX_WIRELESS_NB:
730 if (rtlphy->rf_type == RF_1T1R)
731 ret = RATEID_IDX_BGN_20M_1SS_BN;
733 ret = RATEID_IDX_BGN_20M_2SS_BN;
735 case RATR_INX_WIRELESS_GB:
738 case RATR_INX_WIRELESS_G:
741 case RATR_INX_WIRELESS_B:
744 case RATR_INX_WIRELESS_MC:
745 if (wirelessmode == WIRELESS_MODE_B ||
746 wirelessmode == WIRELESS_MODE_G ||
747 wirelessmode == WIRELESS_MODE_N_24G ||
748 wirelessmode == WIRELESS_MODE_AC_24G)
753 case RATR_INX_WIRELESS_AC_5N:
754 if (rtlphy->rf_type == RF_1T1R)
755 ret = RATEID_IDX_VHT_1SS;
757 ret = RATEID_IDX_VHT_2SS;
759 case RATR_INX_WIRELESS_AC_24N:
760 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
761 if (rtlphy->rf_type == RF_1T1R)
762 ret = RATEID_IDX_VHT_1SS;
764 ret = RATEID_IDX_VHT_2SS;
766 if (rtlphy->rf_type == RF_1T1R)
767 ret = RATEID_IDX_MIX1;
769 ret = RATEID_IDX_MIX2;
773 ret = RATEID_IDX_BGN_40M_2SS;
778 EXPORT_SYMBOL(rtl_mrate_idx_to_arfr_id);
780 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
781 struct ieee80211_sta *sta,
782 struct rtl_tcb_desc *tcb_desc)
784 #define SET_RATE_ID(rate_id) \
785 ({typeof(rate_id) _id = rate_id; \
786 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \
787 rtl_mrate_idx_to_arfr_id(hw, _id, \
788 (sta_entry ? sta_entry->wireless_mode : \
789 WIRELESS_MODE_G)) : \
792 struct rtl_priv *rtlpriv = rtl_priv(hw);
793 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
794 struct rtl_sta_info *sta_entry = NULL;
795 u8 ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC);
798 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
799 ratr_index = sta_entry->ratr_index;
801 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
802 if (mac->opmode == NL80211_IFTYPE_STATION) {
803 tcb_desc->ratr_index = 0;
804 } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
805 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
806 if (tcb_desc->multicast || tcb_desc->broadcast) {
808 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
809 tcb_desc->use_driver_rate = 1;
810 tcb_desc->ratr_index =
811 SET_RATE_ID(RATR_INX_WIRELESS_MC);
813 tcb_desc->ratr_index = ratr_index;
815 } else if (mac->opmode == NL80211_IFTYPE_AP) {
816 tcb_desc->ratr_index = ratr_index;
820 if (rtlpriv->dm.useramask) {
821 tcb_desc->ratr_index = ratr_index;
822 /* TODO we will differentiate adhoc and station future */
823 if (mac->opmode == NL80211_IFTYPE_STATION ||
824 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
825 tcb_desc->mac_id = 0;
828 (rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID))
829 ; /* use sta_entry->ratr_index */
830 else if (mac->mode == WIRELESS_MODE_AC_5G)
831 tcb_desc->ratr_index =
832 SET_RATE_ID(RATR_INX_WIRELESS_AC_5N);
833 else if (mac->mode == WIRELESS_MODE_AC_24G)
834 tcb_desc->ratr_index =
835 SET_RATE_ID(RATR_INX_WIRELESS_AC_24N);
836 else if (mac->mode == WIRELESS_MODE_N_24G)
837 tcb_desc->ratr_index =
838 SET_RATE_ID(RATR_INX_WIRELESS_NGB);
839 else if (mac->mode == WIRELESS_MODE_N_5G)
840 tcb_desc->ratr_index =
841 SET_RATE_ID(RATR_INX_WIRELESS_NG);
842 else if (mac->mode & WIRELESS_MODE_G)
843 tcb_desc->ratr_index =
844 SET_RATE_ID(RATR_INX_WIRELESS_GB);
845 else if (mac->mode & WIRELESS_MODE_B)
846 tcb_desc->ratr_index =
847 SET_RATE_ID(RATR_INX_WIRELESS_B);
848 else if (mac->mode & WIRELESS_MODE_A)
849 tcb_desc->ratr_index =
850 SET_RATE_ID(RATR_INX_WIRELESS_G);
852 } else if (mac->opmode == NL80211_IFTYPE_AP ||
853 mac->opmode == NL80211_IFTYPE_ADHOC) {
856 tcb_desc->mac_id = sta->aid + 1;
858 tcb_desc->mac_id = 1;
860 tcb_desc->mac_id = 0;
867 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
868 struct ieee80211_sta *sta,
869 struct rtl_tcb_desc *tcb_desc)
871 struct rtl_priv *rtlpriv = rtl_priv(hw);
872 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
874 tcb_desc->packet_bw = false;
877 if (mac->opmode == NL80211_IFTYPE_AP ||
878 mac->opmode == NL80211_IFTYPE_ADHOC ||
879 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
880 if (!(sta->ht_cap.ht_supported) ||
881 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
883 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
884 if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
887 if (tcb_desc->multicast || tcb_desc->broadcast)
890 /*use legency rate, shall use 20MHz */
891 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
894 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40;
896 if (rtlpriv->cfg->spec_ver & RTL_SPEC_SUPPORT_VHT) {
897 if (mac->opmode == NL80211_IFTYPE_AP ||
898 mac->opmode == NL80211_IFTYPE_ADHOC ||
899 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
900 if (!(sta->vht_cap.vht_supported))
902 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
904 !(sta->vht_cap.vht_supported))
907 if (tcb_desc->hw_rate <=
908 rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15])
910 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80;
914 static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw,
915 struct ieee80211_sta *sta)
917 struct rtl_priv *rtlpriv = rtl_priv(hw);
918 struct rtl_phy *rtlphy = &(rtlpriv->phy);
920 u16 tx_mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map);
922 if ((get_rf_type(rtlphy) == RF_2T2R) &&
923 (tx_mcs_map & 0x000c) != 0x000c) {
924 if ((tx_mcs_map & 0x000c) >> 2 ==
925 IEEE80211_VHT_MCS_SUPPORT_0_7)
927 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7];
928 else if ((tx_mcs_map & 0x000c) >> 2 ==
929 IEEE80211_VHT_MCS_SUPPORT_0_8)
931 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8];
934 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
936 if ((tx_mcs_map & 0x0003) ==
937 IEEE80211_VHT_MCS_SUPPORT_0_7)
939 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7];
940 else if ((tx_mcs_map & 0x0003) ==
941 IEEE80211_VHT_MCS_SUPPORT_0_8)
943 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8];
946 rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
952 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
953 struct ieee80211_sta *sta)
955 struct rtl_priv *rtlpriv = rtl_priv(hw);
956 struct rtl_phy *rtlphy = &rtlpriv->phy;
959 if (get_rf_type(rtlphy) == RF_2T2R &&
960 sta->ht_cap.mcs.rx_mask[1] != 0)
961 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
963 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
968 /* mac80211's rate_idx is like this:
970 * 2.4G band:rx_status->band == NL80211_BAND_2GHZ
973 * (rx_status->flag & RX_FLAG_HT) = 0,
974 * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11,
977 * (rx_status->flag & RX_FLAG_HT) = 1,
978 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
980 * 5G band:rx_status->band == NL80211_BAND_5GHZ
982 * (rx_status->flag & RX_FLAG_HT) = 0,
983 * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7,
986 * (rx_status->flag & RX_FLAG_HT) = 1,
987 * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
990 * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9
991 * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9
993 int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht,
1000 case DESC_RATEVHT1SS_MCS0:
1003 case DESC_RATEVHT1SS_MCS1:
1006 case DESC_RATEVHT1SS_MCS2:
1009 case DESC_RATEVHT1SS_MCS3:
1012 case DESC_RATEVHT1SS_MCS4:
1015 case DESC_RATEVHT1SS_MCS5:
1018 case DESC_RATEVHT1SS_MCS6:
1021 case DESC_RATEVHT1SS_MCS7:
1024 case DESC_RATEVHT1SS_MCS8:
1027 case DESC_RATEVHT1SS_MCS9:
1030 case DESC_RATEVHT2SS_MCS0:
1033 case DESC_RATEVHT2SS_MCS1:
1036 case DESC_RATEVHT2SS_MCS2:
1039 case DESC_RATEVHT2SS_MCS3:
1042 case DESC_RATEVHT2SS_MCS4:
1045 case DESC_RATEVHT2SS_MCS5:
1048 case DESC_RATEVHT2SS_MCS6:
1051 case DESC_RATEVHT2SS_MCS7:
1054 case DESC_RATEVHT2SS_MCS8:
1057 case DESC_RATEVHT2SS_MCS9:
1066 if (false == isht) {
1067 if (NL80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
1068 switch (desc_rate) {
1110 switch (desc_rate) {
1141 switch (desc_rate) {
1172 case DESC_RATEMCS10:
1175 case DESC_RATEMCS11:
1178 case DESC_RATEMCS12:
1181 case DESC_RATEMCS13:
1184 case DESC_RATEMCS14:
1187 case DESC_RATEMCS15:
1197 EXPORT_SYMBOL(rtlwifi_rate_mapping);
1199 static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw,
1200 struct ieee80211_tx_info *info)
1202 struct rtl_priv *rtlpriv = rtl_priv(hw);
1203 struct ieee80211_tx_rate *r = &info->status.rates[0];
1204 struct ieee80211_rate *txrate;
1207 if (r->flags & IEEE80211_TX_RC_MCS) {
1209 hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 +
1211 } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) {
1212 /* VHT MCS0-9, NSS */
1213 if (ieee80211_rate_get_vht_nss(r) == 2)
1214 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
1216 hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
1218 hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r);
1221 txrate = ieee80211_get_tx_rate(hw, info);
1224 hw_value = txrate->hw_value;
1228 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G &&
1229 hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M])
1230 hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M];
1235 void rtl_get_tcb_desc(struct ieee80211_hw *hw,
1236 struct ieee80211_tx_info *info,
1237 struct ieee80211_sta *sta,
1238 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
1240 #define SET_RATE_ID(rate_id) \
1241 ({typeof(rate_id) _id = rate_id; \
1242 ((rtlpriv->cfg->spec_ver & RTL_SPEC_NEW_RATEID) ? \
1243 rtl_mrate_idx_to_arfr_id(hw, _id, \
1244 (sta_entry ? sta_entry->wireless_mode : \
1245 WIRELESS_MODE_G)) : \
1248 struct rtl_priv *rtlpriv = rtl_priv(hw);
1249 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
1250 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1251 struct rtl_sta_info *sta_entry =
1252 (sta ? (struct rtl_sta_info *)sta->drv_priv : NULL);
1254 __le16 fc = rtl_get_fc(skb);
1256 tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info);
1258 if (rtl_is_tx_report_skb(hw, skb))
1259 tcb_desc->use_spe_rpt = 1;
1261 if (ieee80211_is_data(fc)) {
1263 *we set data rate INX 0
1264 *in rtl_rc.c if skb is special data or
1265 *mgt which need low data rate.
1269 *So tcb_desc->hw_rate is just used for
1270 *special data and mgt frames
1272 if (info->control.rates[0].idx == 0 ||
1273 ieee80211_is_nullfunc(fc)) {
1274 tcb_desc->use_driver_rate = true;
1275 tcb_desc->ratr_index =
1276 SET_RATE_ID(RATR_INX_WIRELESS_MC);
1278 tcb_desc->disable_ratefallback = 1;
1281 *because hw will nerver use hw_rate
1282 *when tcb_desc->use_driver_rate = false
1283 *so we never set highest N rate here,
1284 *and N rate will all be controlled by FW
1285 *when tcb_desc->use_driver_rate = false
1287 if (sta && sta->vht_cap.vht_supported) {
1289 _rtl_get_vht_highest_n_rate(hw, sta);
1291 if (sta && sta->ht_cap.ht_supported) {
1293 _rtl_get_highest_n_rate(hw, sta);
1295 if (rtlmac->mode == WIRELESS_MODE_B) {
1297 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
1300 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
1306 if (is_multicast_ether_addr(hdr->addr1))
1307 tcb_desc->multicast = 1;
1308 else if (is_broadcast_ether_addr(hdr->addr1))
1309 tcb_desc->broadcast = 1;
1311 _rtl_txrate_selectmode(hw, sta, tcb_desc);
1312 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
1313 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
1314 _rtl_query_shortgi(hw, sta, tcb_desc, info);
1315 _rtl_query_protection_mode(hw, tcb_desc, info);
1317 tcb_desc->use_driver_rate = true;
1318 tcb_desc->ratr_index = SET_RATE_ID(RATR_INX_WIRELESS_MC);
1319 tcb_desc->disable_ratefallback = 1;
1320 tcb_desc->mac_id = 0;
1321 tcb_desc->packet_bw = false;
1325 EXPORT_SYMBOL(rtl_get_tcb_desc);
1327 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
1329 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1330 struct rtl_priv *rtlpriv = rtl_priv(hw);
1331 __le16 fc = rtl_get_fc(skb);
1333 if (rtlpriv->dm.supp_phymode_switch &&
1334 mac->link_state < MAC80211_LINKED &&
1335 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
1336 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1337 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1339 if (ieee80211_is_auth(fc)) {
1340 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n");
1342 mac->link_state = MAC80211_LINKING;
1344 rtlpriv->phy.need_iqk = true;
1350 EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc);
1352 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
1353 u8 *bssid, u16 tid);
1355 static void process_agg_start(struct ieee80211_hw *hw,
1356 struct ieee80211_hdr *hdr, u16 tid)
1358 struct rtl_priv *rtlpriv = rtl_priv(hw);
1359 struct ieee80211_rx_status rx_status = { 0 };
1360 struct sk_buff *skb_delba = NULL;
1362 skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid);
1364 rx_status.freq = hw->conf.chandef.chan->center_freq;
1365 rx_status.band = hw->conf.chandef.chan->band;
1366 rx_status.flag |= RX_FLAG_DECRYPTED;
1367 rx_status.flag |= RX_FLAG_MACTIME_START;
1368 rx_status.rate_idx = 0;
1369 rx_status.signal = 50 + 10;
1370 memcpy(IEEE80211_SKB_RXCB(skb_delba),
1371 &rx_status, sizeof(rx_status));
1372 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
1376 ieee80211_rx_irqsafe(hw, skb_delba);
1380 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
1382 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1383 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1384 struct rtl_priv *rtlpriv = rtl_priv(hw);
1385 __le16 fc = rtl_get_fc(skb);
1386 u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN));
1389 if (!ieee80211_is_action(fc))
1398 if (mac->act_scanning)
1401 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1402 "%s ACT_ADDBAREQ From :%pM\n",
1403 is_tx ? "Tx" : "Rx", hdr->addr2);
1404 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n",
1405 skb->data, skb->len);
1407 struct ieee80211_sta *sta = NULL;
1408 struct rtl_sta_info *sta_entry = NULL;
1409 struct rtl_tid_data *tid_data;
1410 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1411 u16 capab = 0, tid = 0;
1414 sta = rtl_find_sta(hw, hdr->addr3);
1416 RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV,
1417 DBG_DMESG, "sta is NULL\n");
1423 (struct rtl_sta_info *)sta->drv_priv;
1429 le16_to_cpu(mgmt->u.action.u.addba_req.capab);
1431 IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
1432 if (tid >= MAX_TID_COUNT) {
1436 tid_data = &sta_entry->tids[tid];
1437 if (tid_data->agg.rx_agg_state ==
1439 process_agg_start(hw, hdr, tid);
1444 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1445 "%s ACT_ADDBARSP From :%pM\n",
1446 is_tx ? "Tx" : "Rx", hdr->addr2);
1449 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1450 "ACT_ADDBADEL From :%pM\n", hdr->addr2);
1460 EXPORT_SYMBOL_GPL(rtl_action_proc);
1462 static void setup_special_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc,
1465 struct ieee80211_hw *hw = rtlpriv->hw;
1467 rtlpriv->ra.is_special_data = true;
1468 if (rtlpriv->cfg->ops->get_btc_status())
1469 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify(
1472 ppsc->last_delaylps_stamp_jiffies = jiffies;
1475 static const u8 *rtl_skb_ether_type_ptr(struct ieee80211_hw *hw,
1476 struct sk_buff *skb, bool is_enc)
1478 struct rtl_priv *rtlpriv = rtl_priv(hw);
1479 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
1480 u8 encrypt_header_len = 0;
1483 switch (rtlpriv->sec.pairwise_enc_algorithm) {
1484 case WEP40_ENCRYPTION:
1485 case WEP104_ENCRYPTION:
1486 encrypt_header_len = 4;/*WEP_IV_LEN*/
1488 case TKIP_ENCRYPTION:
1489 encrypt_header_len = 8;/*TKIP_IV_LEN*/
1491 case AESCCMP_ENCRYPTION:
1492 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/
1498 offset = mac_hdr_len + SNAP_SIZE;
1500 offset += encrypt_header_len;
1502 return skb->data + offset;
1505 /*should call before software enc*/
1506 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
1509 struct rtl_priv *rtlpriv = rtl_priv(hw);
1510 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1511 __le16 fc = rtl_get_fc(skb);
1513 const u8 *ether_type_ptr;
1514 const struct iphdr *ip;
1516 if (!ieee80211_is_data(fc))
1519 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, is_enc);
1520 ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
1522 if (ETH_P_IP == ether_type) {
1523 ip = (struct iphdr *)((u8 *)ether_type_ptr +
1525 if (IPPROTO_UDP == ip->protocol) {
1526 struct udphdr *udp = (struct udphdr *)((u8 *)ip +
1528 if (((((u8 *)udp)[1] == 68) &&
1529 (((u8 *)udp)[3] == 67)) ||
1530 ((((u8 *)udp)[1] == 67) &&
1531 (((u8 *)udp)[3] == 68))) {
1532 /* 68 : UDP BOOTP client
1533 * 67 : UDP BOOTP server
1535 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV),
1536 DBG_DMESG, "dhcp %s !!\n",
1537 (is_tx) ? "Tx" : "Rx");
1540 setup_special_tx(rtlpriv, ppsc,
1546 } else if (ETH_P_ARP == ether_type) {
1548 setup_special_tx(rtlpriv, ppsc, PACKET_ARP);
1551 } else if (ETH_P_PAE == ether_type) {
1552 /* EAPOL is seens as in-4way */
1553 rtlpriv->btcoexist.btc_info.in_4way = true;
1554 rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;
1556 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1557 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx");
1560 rtlpriv->ra.is_special_data = true;
1562 ppsc->last_delaylps_stamp_jiffies = jiffies;
1564 setup_special_tx(rtlpriv, ppsc, PACKET_EAPOL);
1568 } else if (ETH_P_IPV6 == ether_type) {
1569 /* TODO: Handle any IPv6 cases that need special handling.
1570 * For now, always return false
1576 rtlpriv->ra.is_special_data = false;
1579 EXPORT_SYMBOL_GPL(rtl_is_special_data);
1581 void rtl_tx_ackqueue(struct ieee80211_hw *hw, struct sk_buff *skb)
1583 struct rtl_priv *rtlpriv = rtl_priv(hw);
1584 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1586 __skb_queue_tail(&tx_report->queue, skb);
1588 EXPORT_SYMBOL_GPL(rtl_tx_ackqueue);
1590 static void rtl_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
1593 struct rtl_priv *rtlpriv = rtl_priv(hw);
1594 struct ieee80211_tx_info *info;
1596 info = IEEE80211_SKB_CB(skb);
1597 ieee80211_tx_info_clear_status(info);
1599 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_LOUD,
1600 "tx report: ack\n");
1601 info->flags |= IEEE80211_TX_STAT_ACK;
1603 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_LOUD,
1604 "tx report: not ack\n");
1605 info->flags &= ~IEEE80211_TX_STAT_ACK;
1607 ieee80211_tx_status_irqsafe(hw, skb);
1610 bool rtl_is_tx_report_skb(struct ieee80211_hw *hw, struct sk_buff *skb)
1613 const u8 *ether_type_ptr;
1614 __le16 fc = rtl_get_fc(skb);
1616 ether_type_ptr = rtl_skb_ether_type_ptr(hw, skb, true);
1617 ether_type = be16_to_cpup((__be16 *)ether_type_ptr);
1619 if (ether_type == ETH_P_PAE || ieee80211_is_nullfunc(fc))
1625 static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw,
1626 struct rtlwifi_tx_info *tx_info)
1628 struct rtl_priv *rtlpriv = rtl_priv(hw);
1629 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1632 /* SW_DEFINE[11:8] are reserved (driver fills zeros)
1633 * SW_DEFINE[7:2] are used by driver
1634 * SW_DEFINE[1:0] are reserved for firmware (driver fills zeros)
1636 sn = (atomic_inc_return(&tx_report->sn) & 0x003F) << 2;
1638 tx_report->last_sent_sn = sn;
1639 tx_report->last_sent_time = jiffies;
1641 tx_info->send_time = tx_report->last_sent_time;
1642 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
1643 "Send TX-Report sn=0x%X\n", sn);
1648 void rtl_set_tx_report(struct rtl_tcb_desc *ptcb_desc, u8 *pdesc,
1649 struct ieee80211_hw *hw, struct rtlwifi_tx_info *tx_info)
1651 if (ptcb_desc->use_spe_rpt) {
1652 u16 sn = rtl_get_tx_report_sn(hw, tx_info);
1654 SET_TX_DESC_SPE_RPT(pdesc, 1);
1655 SET_TX_DESC_SW_DEFINE(pdesc, sn);
1658 EXPORT_SYMBOL_GPL(rtl_set_tx_report);
1660 void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len)
1662 struct rtl_priv *rtlpriv = rtl_priv(hw);
1663 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1664 struct rtlwifi_tx_info *tx_info;
1665 struct sk_buff_head *queue = &tx_report->queue;
1666 struct sk_buff *skb;
1670 if (rtlpriv->cfg->spec_ver & RTL_SPEC_EXT_C2H) {
1671 sn = GET_TX_REPORT_SN_V2(tmp_buf);
1672 st = GET_TX_REPORT_ST_V2(tmp_buf);
1673 retry = GET_TX_REPORT_RETRY_V2(tmp_buf);
1675 sn = GET_TX_REPORT_SN_V1(tmp_buf);
1676 st = GET_TX_REPORT_ST_V1(tmp_buf);
1677 retry = GET_TX_REPORT_RETRY_V1(tmp_buf);
1680 tx_report->last_recv_sn = sn;
1682 skb_queue_walk(queue, skb) {
1683 tx_info = rtl_tx_skb_cb_info(skb);
1684 if (tx_info->sn == sn) {
1685 skb_unlink(skb, queue);
1686 rtl_tx_status(hw, skb, st == 0);
1690 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG,
1691 "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n",
1694 EXPORT_SYMBOL_GPL(rtl_tx_report_handler);
1696 bool rtl_check_tx_report_acked(struct ieee80211_hw *hw)
1698 struct rtl_priv *rtlpriv = rtl_priv(hw);
1699 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1701 if (tx_report->last_sent_sn == tx_report->last_recv_sn)
1704 if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) {
1705 RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_WARNING,
1706 "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n",
1707 tx_report->last_sent_sn, tx_report->last_recv_sn);
1708 return true; /* 3 sec. (timeout) seen as acked */
1714 void rtl_wait_tx_report_acked(struct ieee80211_hw *hw, u32 wait_ms)
1716 struct rtl_priv *rtlpriv = rtl_priv(hw);
1719 for (i = 0; i < wait_ms; i++) {
1720 if (rtl_check_tx_report_acked(hw))
1722 usleep_range(1000, 2000);
1723 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1724 "Wait 1ms (%d/%d) to disable key.\n", i, wait_ms);
1728 u32 rtl_get_hal_edca_param(struct ieee80211_hw *hw,
1729 struct ieee80211_vif *vif,
1730 enum wireless_mode wirelessmode,
1731 struct ieee80211_tx_queue_params *param)
1737 /* AIFS = AIFSN * slot time + SIFS */
1738 switch (wirelessmode) {
1739 case WIRELESS_MODE_A:
1740 case WIRELESS_MODE_N_24G:
1741 case WIRELESS_MODE_N_5G:
1742 case WIRELESS_MODE_AC_5G:
1743 case WIRELESS_MODE_AC_24G:
1747 case WIRELESS_MODE_G:
1748 slottime = (vif->bss_conf.use_short_slot ? 9 : 20);
1754 reg |= (param->txop & 0x7FF) << 16;
1755 reg |= (fls(param->cw_max) & 0xF) << 12;
1756 reg |= (fls(param->cw_min) & 0xF) << 8;
1757 reg |= (param->aifs & 0x0F) * slottime + sifstime;
1761 EXPORT_SYMBOL_GPL(rtl_get_hal_edca_param);
1763 /*********************************************************
1765 * functions called by core.c
1767 *********************************************************/
1768 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1769 struct ieee80211_sta *sta, u16 tid, u16 *ssn)
1771 struct rtl_priv *rtlpriv = rtl_priv(hw);
1772 struct rtl_tid_data *tid_data;
1773 struct rtl_sta_info *sta_entry = NULL;
1778 if (unlikely(tid >= MAX_TID_COUNT))
1781 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1784 tid_data = &sta_entry->tids[tid];
1786 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1787 "on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1790 tid_data->agg.agg_state = RTL_AGG_START;
1792 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1796 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1797 struct ieee80211_sta *sta, u16 tid)
1799 struct rtl_priv *rtlpriv = rtl_priv(hw);
1800 struct rtl_sta_info *sta_entry = NULL;
1805 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1806 "on ra = %pM tid = %d\n", sta->addr, tid);
1808 if (unlikely(tid >= MAX_TID_COUNT))
1811 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1812 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1814 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1818 int rtl_rx_agg_start(struct ieee80211_hw *hw,
1819 struct ieee80211_sta *sta, u16 tid)
1821 struct rtl_priv *rtlpriv = rtl_priv(hw);
1822 struct rtl_tid_data *tid_data;
1823 struct rtl_sta_info *sta_entry = NULL;
1829 if (unlikely(tid >= MAX_TID_COUNT))
1832 if (rtlpriv->cfg->ops->get_btc_status()) {
1833 rtlpriv->btcoexist.btc_ops->btc_get_ampdu_cfg(rtlpriv,
1840 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1843 tid_data = &sta_entry->tids[tid];
1845 RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG,
1846 "on ra = %pM tid = %d\n", sta->addr, tid);
1848 tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1852 int rtl_rx_agg_stop(struct ieee80211_hw *hw,
1853 struct ieee80211_sta *sta, u16 tid)
1855 struct rtl_priv *rtlpriv = rtl_priv(hw);
1856 struct rtl_sta_info *sta_entry = NULL;
1861 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1862 "on ra = %pM tid = %d\n", sta->addr, tid);
1864 if (unlikely(tid >= MAX_TID_COUNT))
1867 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1868 sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
1872 int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1873 struct ieee80211_sta *sta, u16 tid)
1875 struct rtl_priv *rtlpriv = rtl_priv(hw);
1876 struct rtl_sta_info *sta_entry = NULL;
1881 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1882 "on ra = %pM tid = %d\n", sta->addr, tid);
1884 if (unlikely(tid >= MAX_TID_COUNT))
1887 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1888 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1893 void rtl_rx_ampdu_apply(struct rtl_priv *rtlpriv)
1895 struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
1896 u8 reject_agg = 0, ctrl_agg_size = 0, agg_size = 0;
1898 if (rtlpriv->cfg->ops->get_btc_status())
1899 btc_ops->btc_get_ampdu_cfg(rtlpriv, &reject_agg,
1900 &ctrl_agg_size, &agg_size);
1902 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG,
1903 "Set RX AMPDU: coex - reject=%d, ctrl_agg_size=%d, size=%d",
1904 reject_agg, ctrl_agg_size, agg_size);
1906 rtlpriv->hw->max_rx_aggregation_subframes =
1907 (ctrl_agg_size ? agg_size : IEEE80211_MAX_AMPDU_BUF);
1909 EXPORT_SYMBOL(rtl_rx_ampdu_apply);
1911 /*********************************************************
1913 * wq & timer callback functions
1915 *********************************************************/
1916 /* this function is used for roaming */
1917 void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1919 struct rtl_priv *rtlpriv = rtl_priv(hw);
1920 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1922 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1925 if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1928 /* check if this really is a beacon */
1929 if (!ieee80211_is_beacon(hdr->frame_control) &&
1930 !ieee80211_is_probe_resp(hdr->frame_control))
1933 /* min. beacon length + FCS_LEN */
1934 if (skb->len <= 40 + FCS_LEN)
1937 /* and only beacons from the associated BSSID, please */
1938 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1941 rtlpriv->link_info.bcn_rx_inperiod++;
1943 EXPORT_SYMBOL_GPL(rtl_beacon_statistic);
1945 static void rtl_free_entries_from_scan_list(struct ieee80211_hw *hw)
1947 struct rtl_priv *rtlpriv = rtl_priv(hw);
1948 struct rtl_bssid_entry *entry, *next;
1950 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
1951 list_del(&entry->list);
1953 rtlpriv->scan_list.num--;
1957 static void rtl_free_entries_from_ack_queue(struct ieee80211_hw *hw,
1960 struct rtl_priv *rtlpriv = rtl_priv(hw);
1961 struct rtl_tx_report *tx_report = &rtlpriv->tx_report;
1962 struct sk_buff_head *queue = &tx_report->queue;
1963 struct sk_buff *skb, *tmp;
1964 struct rtlwifi_tx_info *tx_info;
1966 skb_queue_walk_safe(queue, skb, tmp) {
1967 tx_info = rtl_tx_skb_cb_info(skb);
1969 time_after(tx_info->send_time + HZ, jiffies))
1971 skb_unlink(skb, queue);
1972 rtl_tx_status(hw, skb, false);
1976 void rtl_scan_list_expire(struct ieee80211_hw *hw)
1978 struct rtl_priv *rtlpriv = rtl_priv(hw);
1979 struct rtl_bssid_entry *entry, *next;
1980 unsigned long flags;
1982 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
1984 list_for_each_entry_safe(entry, next, &rtlpriv->scan_list.list, list) {
1986 if (jiffies_to_msecs(jiffies - entry->age) < 180000)
1989 list_del(&entry->list);
1990 rtlpriv->scan_list.num--;
1992 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
1993 "BSSID=%pM is expire in scan list (total=%d)\n",
1994 entry->bssid, rtlpriv->scan_list.num);
1998 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags);
2000 rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
2003 void rtl_collect_scan_list(struct ieee80211_hw *hw, struct sk_buff *skb)
2005 struct rtl_priv *rtlpriv = rtl_priv(hw);
2006 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
2007 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2008 unsigned long flags;
2010 struct rtl_bssid_entry *entry;
2011 bool entry_found = false;
2013 /* check if it is scanning */
2014 if (!mac->act_scanning)
2017 /* check if this really is a beacon */
2018 if (!ieee80211_is_beacon(hdr->frame_control) &&
2019 !ieee80211_is_probe_resp(hdr->frame_control))
2022 spin_lock_irqsave(&rtlpriv->locks.scan_list_lock, flags);
2024 list_for_each_entry(entry, &rtlpriv->scan_list.list, list) {
2025 if (memcmp(entry->bssid, hdr->addr3, ETH_ALEN) == 0) {
2026 list_del_init(&entry->list);
2028 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
2029 "Update BSSID=%pM to scan list (total=%d)\n",
2030 hdr->addr3, rtlpriv->scan_list.num);
2036 entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
2041 memcpy(entry->bssid, hdr->addr3, ETH_ALEN);
2042 rtlpriv->scan_list.num++;
2044 RT_TRACE(rtlpriv, COMP_SCAN, DBG_LOUD,
2045 "Add BSSID=%pM to scan list (total=%d)\n",
2046 hdr->addr3, rtlpriv->scan_list.num);
2049 entry->age = jiffies;
2051 list_add_tail(&entry->list, &rtlpriv->scan_list.list);
2054 spin_unlock_irqrestore(&rtlpriv->locks.scan_list_lock, flags);
2056 EXPORT_SYMBOL(rtl_collect_scan_list);
2058 void rtl_watchdog_wq_callback(void *data)
2060 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
2063 struct ieee80211_hw *hw = rtlworks->hw;
2064 struct rtl_priv *rtlpriv = rtl_priv(hw);
2065 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2066 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2067 bool busytraffic = false;
2068 bool tx_busy_traffic = false;
2069 bool rx_busy_traffic = false;
2070 bool higher_busytraffic = false;
2071 bool higher_busyrxtraffic = false;
2073 u32 rx_cnt_inp4eriod = 0;
2074 u32 tx_cnt_inp4eriod = 0;
2075 u32 aver_rx_cnt_inperiod = 0;
2076 u32 aver_tx_cnt_inperiod = 0;
2077 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
2078 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
2080 if (is_hal_stop(rtlhal))
2083 /* <1> Determine if action frame is allowed */
2084 if (mac->link_state > MAC80211_NOLINK) {
2085 if (mac->cnt_after_linked < 20)
2086 mac->cnt_after_linked++;
2088 mac->cnt_after_linked = 0;
2091 /* <2> to check if traffic busy, if
2092 * busytraffic we don't change channel
2094 if (mac->link_state >= MAC80211_LINKED) {
2096 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
2097 for (idx = 0; idx <= 2; idx++) {
2098 rtlpriv->link_info.num_rx_in4period[idx] =
2099 rtlpriv->link_info.num_rx_in4period[idx + 1];
2100 rtlpriv->link_info.num_tx_in4period[idx] =
2101 rtlpriv->link_info.num_tx_in4period[idx + 1];
2103 rtlpriv->link_info.num_rx_in4period[3] =
2104 rtlpriv->link_info.num_rx_inperiod;
2105 rtlpriv->link_info.num_tx_in4period[3] =
2106 rtlpriv->link_info.num_tx_inperiod;
2107 for (idx = 0; idx <= 3; idx++) {
2109 rtlpriv->link_info.num_rx_in4period[idx];
2111 rtlpriv->link_info.num_tx_in4period[idx];
2113 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
2114 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
2116 /* (2) check traffic busy */
2117 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
2119 if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
2120 rx_busy_traffic = true;
2122 tx_busy_traffic = false;
2125 /* Higher Tx/Rx data. */
2126 if (aver_rx_cnt_inperiod > 4000 ||
2127 aver_tx_cnt_inperiod > 4000) {
2128 higher_busytraffic = true;
2130 /* Extremely high Rx data. */
2131 if (aver_rx_cnt_inperiod > 5000)
2132 higher_busyrxtraffic = true;
2135 /* check every tid's tx traffic */
2136 for (tid = 0; tid <= 7; tid++) {
2137 for (idx = 0; idx <= 2; idx++)
2138 rtlpriv->link_info.tidtx_in4period[tid][idx] =
2139 rtlpriv->link_info.tidtx_in4period[tid]
2141 rtlpriv->link_info.tidtx_in4period[tid][3] =
2142 rtlpriv->link_info.tidtx_inperiod[tid];
2144 for (idx = 0; idx <= 3; idx++)
2145 tidtx_inp4eriod[tid] +=
2146 rtlpriv->link_info.tidtx_in4period[tid][idx];
2147 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
2148 if (aver_tidtx_inperiod[tid] > 5000)
2149 rtlpriv->link_info.higher_busytxtraffic[tid] =
2152 rtlpriv->link_info.higher_busytxtraffic[tid] =
2156 /* PS is controlled by coex. */
2157 if (rtlpriv->cfg->ops->get_btc_status() &&
2158 rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv))
2159 goto label_lps_done;
2161 if (rtlpriv->link_info.num_rx_inperiod +
2162 rtlpriv->link_info.num_tx_inperiod > 8 ||
2163 rtlpriv->link_info.num_rx_inperiod > 2)
2172 rtlpriv->link_info.num_rx_inperiod = 0;
2173 rtlpriv->link_info.num_tx_inperiod = 0;
2174 for (tid = 0; tid <= 7; tid++)
2175 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
2177 rtlpriv->link_info.busytraffic = busytraffic;
2178 rtlpriv->link_info.higher_busytraffic = higher_busytraffic;
2179 rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic;
2180 rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic;
2181 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic;
2183 rtlpriv->stats.txbytesunicast_inperiod =
2184 rtlpriv->stats.txbytesunicast -
2185 rtlpriv->stats.txbytesunicast_last;
2186 rtlpriv->stats.rxbytesunicast_inperiod =
2187 rtlpriv->stats.rxbytesunicast -
2188 rtlpriv->stats.rxbytesunicast_last;
2189 rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast;
2190 rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast;
2192 rtlpriv->stats.txbytesunicast_inperiod_tp =
2193 (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 /
2195 rtlpriv->stats.rxbytesunicast_inperiod_tp =
2196 (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 /
2200 if (!rtlpriv->cfg->mod_params->disable_watchdog)
2201 rtlpriv->cfg->ops->dm_watchdog(hw);
2204 if (mac->link_state == MAC80211_LINKED &&
2205 mac->opmode == NL80211_IFTYPE_STATION) {
2206 if ((rtlpriv->link_info.bcn_rx_inperiod +
2207 rtlpriv->link_info.num_rx_inperiod) == 0) {
2208 rtlpriv->link_info.roam_times++;
2209 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
2210 "AP off for %d s\n",
2211 (rtlpriv->link_info.roam_times * 2));
2213 /* if we can't recv beacon for 10s,
2214 * we should reconnect this AP
2216 if (rtlpriv->link_info.roam_times >= 5) {
2217 pr_err("AP off, try to reconnect now\n");
2218 rtlpriv->link_info.roam_times = 0;
2219 ieee80211_connection_loss(
2220 rtlpriv->mac80211.vif);
2223 rtlpriv->link_info.roam_times = 0;
2227 if (rtlpriv->cfg->ops->get_btc_status())
2228 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv);
2230 if (rtlpriv->btcoexist.btc_info.in_4way) {
2231 if (time_after(jiffies, rtlpriv->btcoexist.btc_info.in_4way_ts +
2232 msecs_to_jiffies(IN_4WAY_TIMEOUT_TIME)))
2233 rtlpriv->btcoexist.btc_info.in_4way = false;
2236 rtlpriv->link_info.bcn_rx_inperiod = 0;
2239 rtl_scan_list_expire(hw);
2241 /* <7> check ack queue */
2242 rtl_free_entries_from_ack_queue(hw, true);
2245 void rtl_watch_dog_timer_callback(struct timer_list *t)
2247 struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer);
2249 queue_delayed_work(rtlpriv->works.rtl_wq,
2250 &rtlpriv->works.watchdog_wq, 0);
2252 mod_timer(&rtlpriv->works.watchdog_timer,
2253 jiffies + MSECS(RTL_WATCH_DOG_TIME));
2255 void rtl_fwevt_wq_callback(void *data)
2257 struct rtl_works *rtlworks =
2258 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
2259 struct ieee80211_hw *hw = rtlworks->hw;
2260 struct rtl_priv *rtlpriv = rtl_priv(hw);
2262 rtlpriv->cfg->ops->c2h_command_handle(hw);
2265 static void rtl_c2h_content_parsing(struct ieee80211_hw *hw,
2266 struct sk_buff *skb);
2268 static bool rtl_c2h_fast_cmd(struct ieee80211_hw *hw, struct sk_buff *skb)
2270 u8 cmd_id = GET_C2H_CMD_ID(skb->data);
2282 void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, struct sk_buff *skb)
2284 struct rtl_priv *rtlpriv = rtl_priv(hw);
2285 unsigned long flags;
2287 if (rtl_c2h_fast_cmd(hw, skb)) {
2288 rtl_c2h_content_parsing(hw, skb);
2293 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags);
2295 __skb_queue_tail(&rtlpriv->c2hcmd_queue, skb);
2297 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags);
2300 queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.c2hcmd_wq, 0);
2302 EXPORT_SYMBOL(rtl_c2hcmd_enqueue);
2304 static void rtl_c2h_content_parsing(struct ieee80211_hw *hw,
2305 struct sk_buff *skb)
2307 struct rtl_priv *rtlpriv = rtl_priv(hw);
2308 struct rtl_hal_ops *hal_ops = rtlpriv->cfg->ops;
2309 const struct rtl_btc_ops *btc_ops = rtlpriv->btcoexist.btc_ops;
2310 u8 cmd_id, cmd_seq, cmd_len;
2313 cmd_id = GET_C2H_CMD_ID(skb->data);
2314 cmd_seq = GET_C2H_SEQ(skb->data);
2315 cmd_len = skb->len - C2H_DATA_OFFSET;
2316 cmd_buf = GET_C2H_DATA_PTR(skb->data);
2320 RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD, "[C2H], C2H_DBG!!\n");
2323 RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
2324 "[C2H], C2H_TXBF!!\n");
2327 rtl_tx_report_handler(hw, cmd_buf, cmd_len);
2330 if (hal_ops->c2h_ra_report_handler)
2331 hal_ops->c2h_ra_report_handler(hw, cmd_buf, cmd_len);
2334 RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
2335 "[C2H], C2H_BT_INFO!!\n");
2336 if (rtlpriv->cfg->ops->get_btc_status())
2337 btc_ops->btc_btinfo_notify(rtlpriv, cmd_buf, cmd_len);
2340 RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
2341 "[C2H], C2H_BT_MP!!\n");
2342 if (rtlpriv->cfg->ops->get_btc_status())
2343 btc_ops->btc_btmpinfo_notify(rtlpriv, cmd_buf, cmd_len);
2346 RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
2347 "[C2H], Unknown packet!! cmd_id(%#X)!\n", cmd_id);
2352 void rtl_c2hcmd_launcher(struct ieee80211_hw *hw, int exec)
2354 struct rtl_priv *rtlpriv = rtl_priv(hw);
2355 struct sk_buff *skb;
2356 unsigned long flags;
2359 for (i = 0; i < 200; i++) {
2360 /* dequeue a task */
2361 spin_lock_irqsave(&rtlpriv->locks.c2hcmd_lock, flags);
2363 skb = __skb_dequeue(&rtlpriv->c2hcmd_queue);
2365 spin_unlock_irqrestore(&rtlpriv->locks.c2hcmd_lock, flags);
2371 RT_TRACE(rtlpriv, COMP_FW, DBG_DMESG, "C2H rx_desc_shift=%d\n",
2373 RT_PRINT_DATA(rtlpriv, COMP_FW, DBG_DMESG,
2374 "C2H data: ", skb->data, skb->len);
2377 rtl_c2h_content_parsing(hw, skb);
2380 dev_kfree_skb_any(skb);
2384 void rtl_c2hcmd_wq_callback(void *data)
2386 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
2389 struct ieee80211_hw *hw = rtlworks->hw;
2391 rtl_c2hcmd_launcher(hw, 1);
2394 void rtl_easy_concurrent_retrytimer_callback(struct timer_list *t)
2396 struct rtl_priv *rtlpriv =
2397 from_timer(rtlpriv, t, works.dualmac_easyconcurrent_retrytimer);
2398 struct ieee80211_hw *hw = rtlpriv->hw;
2399 struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
2401 if (buddy_priv == NULL)
2404 rtlpriv->cfg->ops->dualmac_easy_concurrent(hw);
2406 /*********************************************************
2408 * frame process functions
2410 *********************************************************/
2411 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
2413 struct ieee80211_mgmt *mgmt = (void *)data;
2416 pos = (u8 *)mgmt->u.beacon.variable;
2419 if (pos + 2 + pos[1] > end)
2430 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
2431 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
2432 static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
2433 enum ieee80211_smps_mode smps,
2436 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
2437 struct sk_buff *skb;
2438 struct ieee80211_mgmt *action_frame;
2440 /* 27 = header + category + action + smps mode */
2441 skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
2445 skb_reserve(skb, hw->extra_tx_headroom);
2446 action_frame = skb_put_zero(skb, 27);
2447 memcpy(action_frame->da, da, ETH_ALEN);
2448 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
2449 memcpy(action_frame->bssid, bssid, ETH_ALEN);
2450 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2451 IEEE80211_STYPE_ACTION);
2452 action_frame->u.action.category = WLAN_CATEGORY_HT;
2453 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
2455 case IEEE80211_SMPS_AUTOMATIC:/* 0 */
2456 case IEEE80211_SMPS_NUM_MODES:/* 4 */
2459 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
2460 action_frame->u.action.u.ht_smps.smps_control =
2461 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
2463 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
2464 action_frame->u.action.u.ht_smps.smps_control =
2465 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
2467 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
2468 action_frame->u.action.u.ht_smps.smps_control =
2469 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
2476 int rtl_send_smps_action(struct ieee80211_hw *hw,
2477 struct ieee80211_sta *sta,
2478 enum ieee80211_smps_mode smps)
2480 struct rtl_priv *rtlpriv = rtl_priv(hw);
2481 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2482 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
2483 struct sk_buff *skb = NULL;
2484 struct rtl_tcb_desc tcb_desc;
2485 u8 bssid[ETH_ALEN] = {0};
2487 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
2489 if (rtlpriv->mac80211.act_scanning)
2495 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
2498 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
2501 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
2502 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
2504 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
2506 skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
2507 /* this is a type = mgmt * stype = action frame */
2509 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
2510 struct rtl_sta_info *sta_entry =
2511 (struct rtl_sta_info *) sta->drv_priv;
2512 sta_entry->mimo_ps = smps;
2513 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); */
2515 info->control.rates[0].idx = 0;
2516 info->band = hw->conf.chandef.chan->band;
2517 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
2524 EXPORT_SYMBOL(rtl_send_smps_action);
2526 void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation)
2528 struct rtl_priv *rtlpriv = rtl_priv(hw);
2529 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
2530 enum io_type iotype;
2532 if (!is_hal_stop(rtlhal)) {
2533 switch (operation) {
2534 case SCAN_OPT_BACKUP:
2535 iotype = IO_CMD_PAUSE_DM_BY_SCAN;
2536 rtlpriv->cfg->ops->set_hw_reg(hw,
2540 case SCAN_OPT_RESTORE:
2541 iotype = IO_CMD_RESUME_DM_BY_SCAN;
2542 rtlpriv->cfg->ops->set_hw_reg(hw,
2547 pr_err("Unknown Scan Backup operation.\n");
2552 EXPORT_SYMBOL(rtl_phy_scan_operation_backup);
2554 /* because mac80211 have issues when can receive del ba
2555 * so here we just make a fake del_ba if we receive a ba_req
2556 * but rx_agg was opened to let mac80211 release some ba
2557 * related resources, so please this del_ba for tx
2559 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
2560 u8 *sa, u8 *bssid, u16 tid)
2562 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
2563 struct sk_buff *skb;
2564 struct ieee80211_mgmt *action_frame;
2567 /* 27 = header + category + action + smps mode */
2568 skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
2572 skb_reserve(skb, hw->extra_tx_headroom);
2573 action_frame = skb_put_zero(skb, 34);
2574 memcpy(action_frame->sa, sa, ETH_ALEN);
2575 memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
2576 memcpy(action_frame->bssid, bssid, ETH_ALEN);
2577 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2578 IEEE80211_STYPE_ACTION);
2579 action_frame->u.action.category = WLAN_CATEGORY_BACK;
2580 action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
2581 params = (u16)(1 << 11); /* bit 11 initiator */
2582 params |= (u16)(tid << 12); /* bit 15:12 TID number */
2584 action_frame->u.action.u.delba.params = cpu_to_le16(params);
2585 action_frame->u.action.u.delba.reason_code =
2586 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
2591 /*********************************************************
2595 *********************************************************/
2596 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
2597 struct octet_string vendor_ie)
2599 struct rtl_priv *rtlpriv = rtl_priv(hw);
2600 bool matched = false;
2601 static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
2602 static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
2603 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
2604 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
2605 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
2606 static u8 racap[] = { 0x00, 0x0c, 0x43 };
2607 static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
2608 static u8 marvcap[] = { 0x00, 0x50, 0x43 };
2610 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
2611 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
2612 rtlpriv->mac80211.vendor = PEER_ATH;
2614 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
2615 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
2616 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
2617 rtlpriv->mac80211.vendor = PEER_BROAD;
2619 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
2620 rtlpriv->mac80211.vendor = PEER_RAL;
2622 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
2623 rtlpriv->mac80211.vendor = PEER_CISCO;
2625 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
2626 rtlpriv->mac80211.vendor = PEER_MARV;
2633 static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
2636 struct ieee80211_mgmt *mgmt = (void *)data;
2637 struct octet_string vendor_ie;
2640 pos = (u8 *)mgmt->u.beacon.variable;
2643 if (pos[0] == 221) {
2644 vendor_ie.length = pos[1];
2645 vendor_ie.octet = &pos[2];
2646 if (rtl_chk_vendor_ouisub(hw, vendor_ie))
2650 if (pos + 2 + pos[1] > end)
2658 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
2660 struct rtl_priv *rtlpriv = rtl_priv(hw);
2661 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2662 struct ieee80211_hdr *hdr = (void *)data;
2663 u32 vendor = PEER_UNKNOWN;
2665 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
2666 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
2667 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
2668 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
2669 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
2670 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
2671 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
2672 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
2673 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
2674 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
2675 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
2676 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
2677 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
2678 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
2679 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
2680 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
2682 if (mac->opmode != NL80211_IFTYPE_STATION)
2685 if (mac->link_state == MAC80211_NOLINK) {
2686 mac->vendor = PEER_UNKNOWN;
2690 if (mac->cnt_after_linked > 2)
2693 /* check if this really is a beacon */
2694 if (!ieee80211_is_beacon(hdr->frame_control))
2697 /* min. beacon length + FCS_LEN */
2698 if (len <= 40 + FCS_LEN)
2701 /* and only beacons from the associated BSSID, please */
2702 if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
2705 if (rtl_find_221_ie(hw, data, len))
2706 vendor = mac->vendor;
2708 if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
2709 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
2710 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
2711 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
2712 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
2713 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
2714 vendor == PEER_ATH) {
2716 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n");
2717 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
2718 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
2719 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
2720 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
2721 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
2722 vendor == PEER_RAL) {
2723 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n");
2725 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
2726 vendor == PEER_CISCO) {
2727 vendor = PEER_CISCO;
2728 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n");
2729 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
2730 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
2731 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
2732 vendor == PEER_BROAD) {
2733 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n");
2734 vendor = PEER_BROAD;
2735 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
2736 vendor == PEER_MARV) {
2738 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n");
2741 mac->vendor = vendor;
2743 EXPORT_SYMBOL_GPL(rtl_recognize_peer);
2745 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
2746 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
2747 MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
2748 MODULE_LICENSE("GPL");
2749 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
2751 struct rtl_global_var rtl_global_var = {};
2752 EXPORT_SYMBOL_GPL(rtl_global_var);
2754 static int __init rtl_core_module_init(void)
2756 BUILD_BUG_ON(TX_PWR_BY_RATE_NUM_RATE < TX_PWR_BY_RATE_NUM_SECTION);
2757 BUILD_BUG_ON(MAX_RATE_SECTION_NUM != MAX_RATE_SECTION);
2758 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_24G != MAX_RATE_SECTION);
2759 BUILD_BUG_ON(MAX_BASE_NUM_IN_PHY_REG_PG_5G != (MAX_RATE_SECTION - 1));
2761 if (rtl_rate_control_register())
2762 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n");
2765 rtl_debugfs_add_topdir();
2767 /* init some global vars */
2768 INIT_LIST_HEAD(&rtl_global_var.glb_priv_list);
2769 spin_lock_init(&rtl_global_var.glb_list_lock);
2774 static void __exit rtl_core_module_exit(void)
2777 rtl_rate_control_unregister();
2779 /* remove debugfs */
2780 rtl_debugfs_remove_topdir();
2783 module_init(rtl_core_module_init);
2784 module_exit(rtl_core_module_exit);