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 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
26 * Larry Finger <Larry.Finger@lwfinger.net>
28 *****************************************************************************/
39 #include <linux/module.h>
42 *NOTICE!!!: This file will be very big, we should
43 *keep it clear under following roles:
45 *This file include following parts, so, if you add new
46 *functions into this file, please check which part it
47 *should includes. or check if you should add new part
50 *1) mac80211 init functions
51 *2) tx information functions
52 *3) functions called by core.c
53 *4) wq & timer callback functions
54 *5) frame process functions
60 /*********************************************************
62 * mac80211 init functions
64 *********************************************************/
65 static struct ieee80211_channel rtl_channeltable_2g[] = {
66 {.center_freq = 2412, .hw_value = 1,},
67 {.center_freq = 2417, .hw_value = 2,},
68 {.center_freq = 2422, .hw_value = 3,},
69 {.center_freq = 2427, .hw_value = 4,},
70 {.center_freq = 2432, .hw_value = 5,},
71 {.center_freq = 2437, .hw_value = 6,},
72 {.center_freq = 2442, .hw_value = 7,},
73 {.center_freq = 2447, .hw_value = 8,},
74 {.center_freq = 2452, .hw_value = 9,},
75 {.center_freq = 2457, .hw_value = 10,},
76 {.center_freq = 2462, .hw_value = 11,},
77 {.center_freq = 2467, .hw_value = 12,},
78 {.center_freq = 2472, .hw_value = 13,},
79 {.center_freq = 2484, .hw_value = 14,},
82 static struct ieee80211_channel rtl_channeltable_5g[] = {
83 {.center_freq = 5180, .hw_value = 36,},
84 {.center_freq = 5200, .hw_value = 40,},
85 {.center_freq = 5220, .hw_value = 44,},
86 {.center_freq = 5240, .hw_value = 48,},
87 {.center_freq = 5260, .hw_value = 52,},
88 {.center_freq = 5280, .hw_value = 56,},
89 {.center_freq = 5300, .hw_value = 60,},
90 {.center_freq = 5320, .hw_value = 64,},
91 {.center_freq = 5500, .hw_value = 100,},
92 {.center_freq = 5520, .hw_value = 104,},
93 {.center_freq = 5540, .hw_value = 108,},
94 {.center_freq = 5560, .hw_value = 112,},
95 {.center_freq = 5580, .hw_value = 116,},
96 {.center_freq = 5600, .hw_value = 120,},
97 {.center_freq = 5620, .hw_value = 124,},
98 {.center_freq = 5640, .hw_value = 128,},
99 {.center_freq = 5660, .hw_value = 132,},
100 {.center_freq = 5680, .hw_value = 136,},
101 {.center_freq = 5700, .hw_value = 140,},
102 {.center_freq = 5745, .hw_value = 149,},
103 {.center_freq = 5765, .hw_value = 153,},
104 {.center_freq = 5785, .hw_value = 157,},
105 {.center_freq = 5805, .hw_value = 161,},
106 {.center_freq = 5825, .hw_value = 165,},
109 static struct ieee80211_rate rtl_ratetable_2g[] = {
110 {.bitrate = 10, .hw_value = 0x00,},
111 {.bitrate = 20, .hw_value = 0x01,},
112 {.bitrate = 55, .hw_value = 0x02,},
113 {.bitrate = 110, .hw_value = 0x03,},
114 {.bitrate = 60, .hw_value = 0x04,},
115 {.bitrate = 90, .hw_value = 0x05,},
116 {.bitrate = 120, .hw_value = 0x06,},
117 {.bitrate = 180, .hw_value = 0x07,},
118 {.bitrate = 240, .hw_value = 0x08,},
119 {.bitrate = 360, .hw_value = 0x09,},
120 {.bitrate = 480, .hw_value = 0x0a,},
121 {.bitrate = 540, .hw_value = 0x0b,},
124 static struct ieee80211_rate rtl_ratetable_5g[] = {
125 {.bitrate = 60, .hw_value = 0x04,},
126 {.bitrate = 90, .hw_value = 0x05,},
127 {.bitrate = 120, .hw_value = 0x06,},
128 {.bitrate = 180, .hw_value = 0x07,},
129 {.bitrate = 240, .hw_value = 0x08,},
130 {.bitrate = 360, .hw_value = 0x09,},
131 {.bitrate = 480, .hw_value = 0x0a,},
132 {.bitrate = 540, .hw_value = 0x0b,},
135 static const struct ieee80211_supported_band rtl_band_2ghz = {
136 .band = IEEE80211_BAND_2GHZ,
138 .channels = rtl_channeltable_2g,
139 .n_channels = ARRAY_SIZE(rtl_channeltable_2g),
141 .bitrates = rtl_ratetable_2g,
142 .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g),
147 static struct ieee80211_supported_band rtl_band_5ghz = {
148 .band = IEEE80211_BAND_5GHZ,
150 .channels = rtl_channeltable_5g,
151 .n_channels = ARRAY_SIZE(rtl_channeltable_5g),
153 .bitrates = rtl_ratetable_5g,
154 .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g),
159 static const u8 tid_to_ac[] = {
160 2, /* IEEE80211_AC_BE */
161 3, /* IEEE80211_AC_BK */
162 3, /* IEEE80211_AC_BK */
163 2, /* IEEE80211_AC_BE */
164 1, /* IEEE80211_AC_VI */
165 1, /* IEEE80211_AC_VI */
166 0, /* IEEE80211_AC_VO */
167 0, /* IEEE80211_AC_VO */
170 u8 rtl_tid_to_ac(u8 tid)
172 return tid_to_ac[tid];
175 static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
176 struct ieee80211_sta_ht_cap *ht_cap)
178 struct rtl_priv *rtlpriv = rtl_priv(hw);
179 struct rtl_phy *rtlphy = &(rtlpriv->phy);
181 ht_cap->ht_supported = true;
182 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
183 IEEE80211_HT_CAP_SGI_40 |
184 IEEE80211_HT_CAP_SGI_20 |
185 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
187 if (rtlpriv->rtlhal.disable_amsdu_8k)
188 ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
191 *Maximum length of AMPDU that the STA can receive.
192 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
194 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
196 /*Minimum MPDU start spacing , */
197 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
199 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
202 *hw->wiphy->bands[IEEE80211_BAND_2GHZ]
205 *if rx_ant =1 rx_mask[0]=0xff;==>MCS0-MCS7
206 *if rx_ant =2 rx_mask[1]=0xff;==>MCS8-MCS15
207 *if rx_ant >=3 rx_mask[2]=0xff;
208 *if BW_40 rx_mask[4]=0x01;
209 *highest supported RX rate
211 if (get_rf_type(rtlphy) == RF_1T2R || get_rf_type(rtlphy) == RF_2T2R) {
213 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "1T2R or 2T2R\n");
215 ht_cap->mcs.rx_mask[0] = 0xFF;
216 ht_cap->mcs.rx_mask[1] = 0xFF;
217 ht_cap->mcs.rx_mask[4] = 0x01;
219 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
220 } else if (get_rf_type(rtlphy) == RF_1T1R) {
222 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n");
224 ht_cap->mcs.rx_mask[0] = 0xFF;
225 ht_cap->mcs.rx_mask[1] = 0x00;
226 ht_cap->mcs.rx_mask[4] = 0x01;
228 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
232 static void _rtl_init_mac80211(struct ieee80211_hw *hw)
234 struct rtl_priv *rtlpriv = rtl_priv(hw);
235 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
236 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
237 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
238 struct ieee80211_supported_band *sband;
241 if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY && rtlhal->bandset ==
244 /* <1> use mac->bands as mem for hw->wiphy->bands */
245 sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]);
247 /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
248 * to default value(1T1R) */
249 memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), &rtl_band_2ghz,
250 sizeof(struct ieee80211_supported_band));
252 /* <3> init ht cap base on ant_num */
253 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
255 /* <4> set mac->sband to wiphy->sband */
256 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
259 /* <1> use mac->bands as mem for hw->wiphy->bands */
260 sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
262 /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
263 * to default value(1T1R) */
264 memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), &rtl_band_5ghz,
265 sizeof(struct ieee80211_supported_band));
267 /* <3> init ht cap base on ant_num */
268 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
270 /* <4> set mac->sband to wiphy->sband */
271 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
273 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
274 /* <1> use mac->bands as mem for hw->wiphy->bands */
275 sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]);
277 /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
278 * to default value(1T1R) */
279 memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]),
281 sizeof(struct ieee80211_supported_band));
283 /* <3> init ht cap base on ant_num */
284 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
286 /* <4> set mac->sband to wiphy->sband */
287 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
288 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
289 /* <1> use mac->bands as mem for hw->wiphy->bands */
290 sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
292 /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
293 * to default value(1T1R) */
294 memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]),
296 sizeof(struct ieee80211_supported_band));
298 /* <3> init ht cap base on ant_num */
299 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
301 /* <4> set mac->sband to wiphy->sband */
302 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
304 RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, "Err BAND %d\n",
305 rtlhal->current_bandtype);
308 /* <5> set hw caps */
309 hw->flags = IEEE80211_HW_SIGNAL_DBM |
310 IEEE80211_HW_RX_INCLUDES_FCS |
311 IEEE80211_HW_AMPDU_AGGREGATION |
312 IEEE80211_HW_CONNECTION_MONITOR |
313 /* IEEE80211_HW_SUPPORTS_CQM_RSSI | */
314 IEEE80211_HW_REPORTS_TX_ACK_STATUS | 0;
316 /* swlps or hwlps has been set in diff chip in init_sw_vars */
317 if (rtlpriv->psc.swctrl_lps)
318 hw->flags |= IEEE80211_HW_SUPPORTS_PS |
319 IEEE80211_HW_PS_NULLFUNC_STACK |
320 /* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */
323 hw->wiphy->interface_modes =
324 BIT(NL80211_IFTYPE_AP) |
325 BIT(NL80211_IFTYPE_STATION) |
326 BIT(NL80211_IFTYPE_ADHOC);
328 hw->wiphy->rts_threshold = 2347;
331 hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
333 /* TODO: Correct this value for our hw */
334 /* TODO: define these hard code value */
335 hw->channel_change_time = 100;
336 hw->max_listen_interval = 10;
337 hw->max_rate_tries = 4;
338 /* hw->max_rates = 1; */
339 hw->sta_data_size = sizeof(struct rtl_sta_info);
341 /* <6> mac address */
342 if (is_valid_ether_addr(rtlefuse->dev_addr)) {
343 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
345 u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
346 get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1);
347 SET_IEEE80211_PERM_ADDR(hw, rtlmac1);
352 static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
354 struct rtl_priv *rtlpriv = rtl_priv(hw);
357 init_timer(&rtlpriv->works.watchdog_timer);
358 setup_timer(&rtlpriv->works.watchdog_timer,
359 rtl_watch_dog_timer_callback, (unsigned long)hw);
362 rtlpriv->works.hw = hw;
363 rtlpriv->works.rtl_wq = alloc_workqueue(rtlpriv->cfg->name, 0, 0);
364 INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
365 (void *)rtl_watchdog_wq_callback);
366 INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
367 (void *)rtl_ips_nic_off_wq_callback);
368 INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
369 (void *)rtl_swlps_wq_callback);
370 INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
371 (void *)rtl_swlps_rfon_wq_callback);
375 void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
377 struct rtl_priv *rtlpriv = rtl_priv(hw);
379 del_timer_sync(&rtlpriv->works.watchdog_timer);
381 cancel_delayed_work(&rtlpriv->works.watchdog_wq);
382 cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
383 cancel_delayed_work(&rtlpriv->works.ps_work);
384 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
387 void rtl_init_rfkill(struct ieee80211_hw *hw)
389 struct rtl_priv *rtlpriv = rtl_priv(hw);
395 /*set init state to on */
396 rtlpriv->rfkill.rfkill_state = true;
397 wiphy_rfkill_set_hw_state(hw->wiphy, 0);
399 radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
402 pr_info("wireless switch is %s\n",
403 rtlpriv->rfkill.rfkill_state ? "on" : "off");
405 rtlpriv->rfkill.rfkill_state = radio_state;
407 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
408 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
411 wiphy_rfkill_start_polling(hw->wiphy);
413 EXPORT_SYMBOL(rtl_init_rfkill);
415 void rtl_deinit_rfkill(struct ieee80211_hw *hw)
417 wiphy_rfkill_stop_polling(hw->wiphy);
420 int rtl_init_core(struct ieee80211_hw *hw)
422 struct rtl_priv *rtlpriv = rtl_priv(hw);
423 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
425 /* <1> init mac80211 */
426 _rtl_init_mac80211(hw);
429 /* <2> rate control register */
430 hw->rate_control_algorithm = "rtl_rc";
433 * <3> init CRDA must come after init
434 * mac80211 hw in _rtl_init_mac80211.
436 if (rtl_regd_init(hw, rtl_reg_notifier)) {
437 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "REGD init failed\n");
440 /* CRDA regd hint must after init CRDA */
441 if (regulatory_hint(hw->wiphy, rtlpriv->regd.alpha2)) {
442 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
443 "regulatory_hint fail\n");
448 mutex_init(&rtlpriv->locks.conf_mutex);
449 mutex_init(&rtlpriv->locks.ps_mutex);
450 spin_lock_init(&rtlpriv->locks.ips_lock);
451 spin_lock_init(&rtlpriv->locks.irq_th_lock);
452 spin_lock_init(&rtlpriv->locks.h2c_lock);
453 spin_lock_init(&rtlpriv->locks.rf_ps_lock);
454 spin_lock_init(&rtlpriv->locks.rf_lock);
455 spin_lock_init(&rtlpriv->locks.waitq_lock);
456 spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
458 rtlmac->link_state = MAC80211_NOLINK;
460 /* <5> init deferred work */
461 _rtl_init_deferred_work(hw);
466 void rtl_deinit_core(struct ieee80211_hw *hw)
470 void rtl_init_rx_config(struct ieee80211_hw *hw)
472 struct rtl_priv *rtlpriv = rtl_priv(hw);
473 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
475 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
478 /*********************************************************
480 * tx information functions
482 *********************************************************/
483 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
484 struct rtl_tcb_desc *tcb_desc,
485 struct ieee80211_tx_info *info)
487 struct rtl_priv *rtlpriv = rtl_priv(hw);
488 u8 rate_flag = info->control.rates[0].flags;
490 tcb_desc->use_shortpreamble = false;
492 /* 1M can only use Long Preamble. 11B spec */
493 if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
495 else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
496 tcb_desc->use_shortpreamble = true;
501 static void _rtl_query_shortgi(struct ieee80211_hw *hw,
502 struct ieee80211_sta *sta,
503 struct rtl_tcb_desc *tcb_desc,
504 struct ieee80211_tx_info *info)
506 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
507 u8 rate_flag = info->control.rates[0].flags;
508 u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
509 tcb_desc->use_shortgi = false;
514 sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
515 sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
517 if (!(sta->ht_cap.ht_supported))
520 if (!sgi_40 && !sgi_20)
523 if (mac->opmode == NL80211_IFTYPE_STATION)
525 else if (mac->opmode == NL80211_IFTYPE_AP ||
526 mac->opmode == NL80211_IFTYPE_ADHOC)
527 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
530 tcb_desc->use_shortgi = true;
531 else if ((bw_40 == false) && sgi_20)
532 tcb_desc->use_shortgi = true;
534 if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
535 tcb_desc->use_shortgi = false;
538 static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
539 struct rtl_tcb_desc *tcb_desc,
540 struct ieee80211_tx_info *info)
542 struct rtl_priv *rtlpriv = rtl_priv(hw);
543 u8 rate_flag = info->control.rates[0].flags;
545 /* Common Settings */
546 tcb_desc->rts_stbc = false;
547 tcb_desc->cts_enable = false;
548 tcb_desc->rts_sc = 0;
549 tcb_desc->rts_bw = false;
550 tcb_desc->rts_use_shortpreamble = false;
551 tcb_desc->rts_use_shortgi = false;
553 if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
554 /* Use CTS-to-SELF in protection mode. */
555 tcb_desc->rts_enable = true;
556 tcb_desc->cts_enable = true;
557 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
558 } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
559 /* Use RTS-CTS in protection mode. */
560 tcb_desc->rts_enable = true;
561 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
565 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
566 struct ieee80211_sta *sta,
567 struct rtl_tcb_desc *tcb_desc)
569 struct rtl_priv *rtlpriv = rtl_priv(hw);
570 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
571 struct rtl_sta_info *sta_entry = NULL;
575 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
576 ratr_index = sta_entry->ratr_index;
578 if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
579 if (mac->opmode == NL80211_IFTYPE_STATION) {
580 tcb_desc->ratr_index = 0;
581 } else if (mac->opmode == NL80211_IFTYPE_ADHOC) {
582 if (tcb_desc->multicast || tcb_desc->broadcast) {
584 rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
585 tcb_desc->use_driver_rate = 1;
589 tcb_desc->ratr_index = ratr_index;
590 } else if (mac->opmode == NL80211_IFTYPE_AP) {
591 tcb_desc->ratr_index = ratr_index;
595 if (rtlpriv->dm.useramask) {
596 /* TODO we will differentiate adhoc and station futrue */
597 if (mac->opmode == NL80211_IFTYPE_STATION) {
598 tcb_desc->mac_id = 0;
600 if (mac->mode == WIRELESS_MODE_N_24G)
601 tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB;
602 else if (mac->mode == WIRELESS_MODE_N_5G)
603 tcb_desc->ratr_index = RATR_INX_WIRELESS_NG;
604 else if (mac->mode & WIRELESS_MODE_G)
605 tcb_desc->ratr_index = RATR_INX_WIRELESS_GB;
606 else if (mac->mode & WIRELESS_MODE_B)
607 tcb_desc->ratr_index = RATR_INX_WIRELESS_B;
608 else if (mac->mode & WIRELESS_MODE_A)
609 tcb_desc->ratr_index = RATR_INX_WIRELESS_G;
610 } else if (mac->opmode == NL80211_IFTYPE_AP ||
611 mac->opmode == NL80211_IFTYPE_ADHOC) {
614 tcb_desc->mac_id = sta->aid + 1;
616 tcb_desc->mac_id = 1;
618 tcb_desc->mac_id = 0;
625 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
626 struct ieee80211_sta *sta,
627 struct rtl_tcb_desc *tcb_desc)
629 struct rtl_priv *rtlpriv = rtl_priv(hw);
630 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
632 tcb_desc->packet_bw = false;
635 if (mac->opmode == NL80211_IFTYPE_AP ||
636 mac->opmode == NL80211_IFTYPE_ADHOC) {
637 if (!(sta->ht_cap.ht_supported) ||
638 !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
640 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
641 if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
644 if (tcb_desc->multicast || tcb_desc->broadcast)
647 /*use legency rate, shall use 20MHz */
648 if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
651 tcb_desc->packet_bw = true;
654 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw)
656 struct rtl_priv *rtlpriv = rtl_priv(hw);
657 struct rtl_phy *rtlphy = &(rtlpriv->phy);
660 if (get_rf_type(rtlphy) == RF_2T2R)
661 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
663 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
668 /* mac80211's rate_idx is like this:
670 * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ
673 * (rx_status->flag & RX_FLAG_HT) = 0,
674 * DESC92_RATE1M-->DESC92_RATE54M ==> idx is 0-->11,
677 * (rx_status->flag & RX_FLAG_HT) = 1,
678 * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15
680 * 5G band:rx_status->band == IEEE80211_BAND_5GHZ
682 * (rx_status->flag & RX_FLAG_HT) = 0,
683 * DESC92_RATE6M-->DESC92_RATE54M ==> idx is 0-->7,
686 * (rx_status->flag & RX_FLAG_HT) = 1,
687 * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15
689 int rtlwifi_rate_mapping(struct ieee80211_hw *hw,
690 bool isht, u8 desc_rate, bool first_ampdu)
695 if (IEEE80211_BAND_2GHZ == hw->conf.channel->band) {
703 case DESC92_RATE5_5M:
772 case DESC92_RATEMCS0:
775 case DESC92_RATEMCS1:
778 case DESC92_RATEMCS2:
781 case DESC92_RATEMCS3:
784 case DESC92_RATEMCS4:
787 case DESC92_RATEMCS5:
790 case DESC92_RATEMCS6:
793 case DESC92_RATEMCS7:
796 case DESC92_RATEMCS8:
799 case DESC92_RATEMCS9:
802 case DESC92_RATEMCS10:
805 case DESC92_RATEMCS11:
808 case DESC92_RATEMCS12:
811 case DESC92_RATEMCS13:
814 case DESC92_RATEMCS14:
817 case DESC92_RATEMCS15:
827 EXPORT_SYMBOL(rtlwifi_rate_mapping);
829 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
831 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
832 struct rtl_priv *rtlpriv = rtl_priv(hw);
833 __le16 fc = rtl_get_fc(skb);
835 if (rtlpriv->dm.supp_phymode_switch &&
836 mac->link_state < MAC80211_LINKED &&
837 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
838 if (rtlpriv->cfg->ops->check_switch_to_dmdp)
839 rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
841 if (ieee80211_is_auth(fc)) {
842 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n");
845 mac->link_state = MAC80211_LINKING;
847 rtlpriv->phy.need_iqk = true;
853 void rtl_get_tcb_desc(struct ieee80211_hw *hw,
854 struct ieee80211_tx_info *info,
855 struct ieee80211_sta *sta,
856 struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
858 struct rtl_priv *rtlpriv = rtl_priv(hw);
859 struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
860 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
861 struct ieee80211_rate *txrate;
862 __le16 fc = hdr->frame_control;
864 txrate = ieee80211_get_tx_rate(hw, info);
866 tcb_desc->hw_rate = txrate->hw_value;
868 tcb_desc->hw_rate = 0;
870 if (ieee80211_is_data(fc)) {
872 *we set data rate INX 0
873 *in rtl_rc.c if skb is special data or
874 *mgt which need low data rate.
878 *So tcb_desc->hw_rate is just used for
879 *special data and mgt frames
881 if (info->control.rates[0].idx == 0 ||
882 ieee80211_is_nullfunc(fc)) {
883 tcb_desc->use_driver_rate = true;
884 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
886 tcb_desc->disable_ratefallback = 1;
889 *because hw will nerver use hw_rate
890 *when tcb_desc->use_driver_rate = false
891 *so we never set highest N rate here,
892 *and N rate will all be controlled by FW
893 *when tcb_desc->use_driver_rate = false
895 if (sta && (sta->ht_cap.ht_supported)) {
896 tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw);
898 if (rtlmac->mode == WIRELESS_MODE_B) {
900 rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
903 rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
908 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)))
909 tcb_desc->multicast = 1;
910 else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
911 tcb_desc->broadcast = 1;
913 _rtl_txrate_selectmode(hw, sta, tcb_desc);
914 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
915 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
916 _rtl_query_shortgi(hw, sta, tcb_desc, info);
917 _rtl_query_protection_mode(hw, tcb_desc, info);
919 tcb_desc->use_driver_rate = true;
920 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
921 tcb_desc->disable_ratefallback = 1;
922 tcb_desc->mac_id = 0;
923 tcb_desc->packet_bw = false;
926 EXPORT_SYMBOL(rtl_get_tcb_desc);
928 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
930 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
931 struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
932 struct rtl_priv *rtlpriv = rtl_priv(hw);
933 __le16 fc = hdr->frame_control;
934 u8 *act = (u8 *)skb->data + MAC80211_3ADDR_LEN;
937 if (!ieee80211_is_action(fc))
946 if (mac->act_scanning)
949 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
950 "%s ACT_ADDBAREQ From :%pM\n",
951 is_tx ? "Tx" : "Rx", hdr->addr2);
954 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
955 "%s ACT_ADDBARSP From :%pM\n",
956 is_tx ? "Tx" : "Rx", hdr->addr2);
959 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
960 "ACT_ADDBADEL From :%pM\n", hdr->addr2);
971 /*should call before software enc*/
972 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
974 struct rtl_priv *rtlpriv = rtl_priv(hw);
975 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
976 __le16 fc = rtl_get_fc(skb);
978 u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
979 const struct iphdr *ip;
981 if (!ieee80211_is_data(fc))
985 ip = (struct iphdr *)((u8 *) skb->data + mac_hdr_len +
986 SNAP_SIZE + PROTOC_TYPE_SIZE);
987 ether_type = *(u16 *) ((u8 *) skb->data + mac_hdr_len + SNAP_SIZE);
988 /* ether_type = ntohs(ether_type); */
990 if (ETH_P_IP == ether_type) {
991 if (IPPROTO_UDP == ip->protocol) {
992 struct udphdr *udp = (struct udphdr *)((u8 *) ip +
994 if (((((u8 *) udp)[1] == 68) &&
995 (((u8 *) udp)[3] == 67)) ||
996 ((((u8 *) udp)[1] == 67) &&
997 (((u8 *) udp)[3] == 68))) {
999 * 68 : UDP BOOTP client
1000 * 67 : UDP BOOTP server
1002 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV),
1003 DBG_DMESG, "dhcp %s !!\n",
1004 is_tx ? "Tx" : "Rx");
1007 schedule_work(&rtlpriv->
1008 works.lps_leave_work);
1009 ppsc->last_delaylps_stamp_jiffies =
1016 } else if (ETH_P_ARP == ether_type) {
1018 schedule_work(&rtlpriv->works.lps_leave_work);
1019 ppsc->last_delaylps_stamp_jiffies = jiffies;
1023 } else if (ETH_P_PAE == ether_type) {
1024 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1025 "802.1X %s EAPOL pkt!!\n", is_tx ? "Tx" : "Rx");
1028 schedule_work(&rtlpriv->works.lps_leave_work);
1029 ppsc->last_delaylps_stamp_jiffies = jiffies;
1033 } else if (ETH_P_IPV6 == ether_type) {
1041 /*********************************************************
1043 * functions called by core.c
1045 *********************************************************/
1046 int rtl_tx_agg_start(struct ieee80211_hw *hw,
1047 struct ieee80211_sta *sta, u16 tid, u16 *ssn)
1049 struct rtl_priv *rtlpriv = rtl_priv(hw);
1050 struct rtl_tid_data *tid_data;
1051 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1052 struct rtl_sta_info *sta_entry = NULL;
1057 if (unlikely(tid >= MAX_TID_COUNT))
1060 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1063 tid_data = &sta_entry->tids[tid];
1065 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "on ra = %pM tid = %d seq:%d\n",
1066 sta->addr, tid, tid_data->seq_number);
1068 *ssn = tid_data->seq_number;
1069 tid_data->agg.agg_state = RTL_AGG_START;
1071 ieee80211_start_tx_ba_cb_irqsafe(mac->vif, sta->addr, tid);
1076 int rtl_tx_agg_stop(struct ieee80211_hw *hw,
1077 struct ieee80211_sta *sta, u16 tid)
1079 struct rtl_priv *rtlpriv = rtl_priv(hw);
1080 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1081 struct rtl_sta_info *sta_entry = NULL;
1087 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "ra = NULL\n");
1091 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "on ra = %pM tid = %d\n",
1094 if (unlikely(tid >= MAX_TID_COUNT))
1097 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1098 sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1100 ieee80211_stop_tx_ba_cb_irqsafe(mac->vif, sta->addr, tid);
1105 int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1106 struct ieee80211_sta *sta, u16 tid)
1108 struct rtl_priv *rtlpriv = rtl_priv(hw);
1109 struct rtl_sta_info *sta_entry = NULL;
1115 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "ra = NULL\n");
1119 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "on ra = %pM tid = %d\n",
1122 if (unlikely(tid >= MAX_TID_COUNT))
1125 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1126 sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1131 /*********************************************************
1133 * wq & timer callback functions
1135 *********************************************************/
1136 void rtl_watchdog_wq_callback(void *data)
1138 struct rtl_works *rtlworks = container_of_dwork_rtl(data,
1141 struct ieee80211_hw *hw = rtlworks->hw;
1142 struct rtl_priv *rtlpriv = rtl_priv(hw);
1143 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1144 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1145 bool busytraffic = false;
1146 bool higher_busytraffic = false;
1147 bool higher_busyrxtraffic = false;
1149 u32 rx_cnt_inp4eriod = 0;
1150 u32 tx_cnt_inp4eriod = 0;
1151 u32 aver_rx_cnt_inperiod = 0;
1152 u32 aver_tx_cnt_inperiod = 0;
1153 u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
1154 u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
1155 bool enter_ps = false;
1157 if (is_hal_stop(rtlhal))
1160 /* <1> Determine if action frame is allowed */
1161 if (mac->link_state > MAC80211_NOLINK) {
1162 if (mac->cnt_after_linked < 20)
1163 mac->cnt_after_linked++;
1165 mac->cnt_after_linked = 0;
1169 *<2> to check if traffic busy, if
1170 * busytraffic we don't change channel
1172 if (mac->link_state >= MAC80211_LINKED) {
1174 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
1175 for (idx = 0; idx <= 2; idx++) {
1176 rtlpriv->link_info.num_rx_in4period[idx] =
1177 rtlpriv->link_info.num_rx_in4period[idx + 1];
1178 rtlpriv->link_info.num_tx_in4period[idx] =
1179 rtlpriv->link_info.num_tx_in4period[idx + 1];
1181 rtlpriv->link_info.num_rx_in4period[3] =
1182 rtlpriv->link_info.num_rx_inperiod;
1183 rtlpriv->link_info.num_tx_in4period[3] =
1184 rtlpriv->link_info.num_tx_inperiod;
1185 for (idx = 0; idx <= 3; idx++) {
1187 rtlpriv->link_info.num_rx_in4period[idx];
1189 rtlpriv->link_info.num_tx_in4period[idx];
1191 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
1192 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
1194 /* (2) check traffic busy */
1195 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100)
1198 /* Higher Tx/Rx data. */
1199 if (aver_rx_cnt_inperiod > 4000 ||
1200 aver_tx_cnt_inperiod > 4000) {
1201 higher_busytraffic = true;
1203 /* Extremely high Rx data. */
1204 if (aver_rx_cnt_inperiod > 5000)
1205 higher_busyrxtraffic = true;
1208 /* check every tid's tx traffic */
1209 for (tid = 0; tid <= 7; tid++) {
1210 for (idx = 0; idx <= 2; idx++)
1211 rtlpriv->link_info.tidtx_in4period[tid][idx] =
1212 rtlpriv->link_info.tidtx_in4period[tid]
1214 rtlpriv->link_info.tidtx_in4period[tid][3] =
1215 rtlpriv->link_info.tidtx_inperiod[tid];
1217 for (idx = 0; idx <= 3; idx++)
1218 tidtx_inp4eriod[tid] +=
1219 rtlpriv->link_info.tidtx_in4period[tid][idx];
1220 aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
1221 if (aver_tidtx_inperiod[tid] > 5000)
1222 rtlpriv->link_info.higher_busytxtraffic[tid] =
1225 rtlpriv->link_info.higher_busytxtraffic[tid] =
1229 if (((rtlpriv->link_info.num_rx_inperiod +
1230 rtlpriv->link_info.num_tx_inperiod) > 8) ||
1231 (rtlpriv->link_info.num_rx_inperiod > 2))
1236 /* LeisurePS only work in infra mode. */
1243 rtlpriv->link_info.num_rx_inperiod = 0;
1244 rtlpriv->link_info.num_tx_inperiod = 0;
1245 for (tid = 0; tid <= 7; tid++)
1246 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
1248 rtlpriv->link_info.busytraffic = busytraffic;
1249 rtlpriv->link_info.higher_busytraffic = higher_busytraffic;
1250 rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic;
1253 rtlpriv->cfg->ops->dm_watchdog(hw);
1256 void rtl_watch_dog_timer_callback(unsigned long data)
1258 struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1259 struct rtl_priv *rtlpriv = rtl_priv(hw);
1261 queue_delayed_work(rtlpriv->works.rtl_wq,
1262 &rtlpriv->works.watchdog_wq, 0);
1264 mod_timer(&rtlpriv->works.watchdog_timer,
1265 jiffies + MSECS(RTL_WATCH_DOG_TIME));
1268 /*********************************************************
1270 * frame process functions
1272 *********************************************************/
1273 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
1275 struct ieee80211_mgmt *mgmt = (void *)data;
1278 pos = (u8 *)mgmt->u.beacon.variable;
1281 if (pos + 2 + pos[1] > end)
1292 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
1293 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
1294 static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
1295 enum ieee80211_smps_mode smps, u8 *da, u8 *bssid)
1297 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1298 struct sk_buff *skb;
1299 struct ieee80211_mgmt *action_frame;
1301 /* 27 = header + category + action + smps mode */
1302 skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
1306 skb_reserve(skb, hw->extra_tx_headroom);
1307 action_frame = (void *)skb_put(skb, 27);
1308 memset(action_frame, 0, 27);
1309 memcpy(action_frame->da, da, ETH_ALEN);
1310 memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
1311 memcpy(action_frame->bssid, bssid, ETH_ALEN);
1312 action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1313 IEEE80211_STYPE_ACTION);
1314 action_frame->u.action.category = WLAN_CATEGORY_HT;
1315 action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
1317 case IEEE80211_SMPS_AUTOMATIC:/* 0 */
1318 case IEEE80211_SMPS_NUM_MODES:/* 4 */
1320 case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
1321 action_frame->u.action.u.ht_smps.smps_control =
1322 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
1324 case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
1325 action_frame->u.action.u.ht_smps.smps_control =
1326 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
1328 case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
1329 action_frame->u.action.u.ht_smps.smps_control =
1330 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
1337 int rtl_send_smps_action(struct ieee80211_hw *hw,
1338 struct ieee80211_sta *sta, u8 *da, u8 *bssid,
1339 enum ieee80211_smps_mode smps)
1341 struct rtl_priv *rtlpriv = rtl_priv(hw);
1342 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1343 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1344 struct sk_buff *skb = rtl_make_smps_action(hw, smps, da, bssid);
1345 struct rtl_tcb_desc tcb_desc;
1346 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1348 if (rtlpriv->mac80211.act_scanning)
1354 if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
1357 if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1360 /* this is a type = mgmt * stype = action frame */
1362 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1363 struct rtl_sta_info *sta_entry =
1364 (struct rtl_sta_info *) sta->drv_priv;
1365 sta_entry->mimo_ps = smps;
1366 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
1368 info->control.rates[0].idx = 0;
1369 info->band = hw->conf.channel->band;
1370 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
1376 /*********************************************************
1380 *********************************************************/
1381 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
1382 struct octet_string vendor_ie)
1384 struct rtl_priv *rtlpriv = rtl_priv(hw);
1385 bool matched = false;
1386 static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
1387 static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
1388 static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
1389 static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
1390 static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
1391 static u8 racap[] = { 0x00, 0x0c, 0x43 };
1392 static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
1393 static u8 marvcap[] = { 0x00, 0x50, 0x43 };
1395 if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
1396 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
1397 rtlpriv->mac80211.vendor = PEER_ATH;
1399 } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
1400 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
1401 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
1402 rtlpriv->mac80211.vendor = PEER_BROAD;
1404 } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
1405 rtlpriv->mac80211.vendor = PEER_RAL;
1407 } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
1408 rtlpriv->mac80211.vendor = PEER_CISCO;
1410 } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
1411 rtlpriv->mac80211.vendor = PEER_MARV;
1418 static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
1421 struct ieee80211_mgmt *mgmt = (void *)data;
1422 struct octet_string vendor_ie;
1425 pos = (u8 *)mgmt->u.beacon.variable;
1428 if (pos[0] == 221) {
1429 vendor_ie.length = pos[1];
1430 vendor_ie.octet = &pos[2];
1431 if (rtl_chk_vendor_ouisub(hw, vendor_ie))
1435 if (pos + 2 + pos[1] > end)
1443 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
1445 struct rtl_priv *rtlpriv = rtl_priv(hw);
1446 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1447 struct ieee80211_hdr *hdr = (void *)data;
1448 u32 vendor = PEER_UNKNOWN;
1450 static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
1451 static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
1452 static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
1453 static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
1454 static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
1455 static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
1456 static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
1457 static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
1458 static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
1459 static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
1460 static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
1461 static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
1462 static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
1463 static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
1464 static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
1465 static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
1467 if (mac->opmode != NL80211_IFTYPE_STATION)
1470 if (mac->link_state == MAC80211_NOLINK) {
1471 mac->vendor = PEER_UNKNOWN;
1475 if (mac->cnt_after_linked > 2)
1478 /* check if this really is a beacon */
1479 if (!ieee80211_is_beacon(hdr->frame_control))
1482 /* min. beacon length + FCS_LEN */
1483 if (len <= 40 + FCS_LEN)
1486 /* and only beacons from the associated BSSID, please */
1487 if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1490 if (rtl_find_221_ie(hw, data, len))
1491 vendor = mac->vendor;
1493 if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
1494 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
1495 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
1496 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
1497 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
1498 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
1499 vendor == PEER_ATH) {
1501 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n");
1502 } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
1503 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
1504 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
1505 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
1506 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
1507 vendor == PEER_RAL) {
1508 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n");
1510 } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
1511 vendor == PEER_CISCO) {
1512 vendor = PEER_CISCO;
1513 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n");
1514 } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
1515 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
1516 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
1517 vendor == PEER_BROAD) {
1518 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n");
1519 vendor = PEER_BROAD;
1520 } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
1521 vendor == PEER_MARV) {
1523 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n");
1526 mac->vendor = vendor;
1529 /*********************************************************
1533 *********************************************************/
1534 static ssize_t rtl_show_debug_level(struct device *d,
1535 struct device_attribute *attr, char *buf)
1537 struct ieee80211_hw *hw = dev_get_drvdata(d);
1538 struct rtl_priv *rtlpriv = rtl_priv(hw);
1540 return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel);
1543 static ssize_t rtl_store_debug_level(struct device *d,
1544 struct device_attribute *attr,
1545 const char *buf, size_t count)
1547 struct ieee80211_hw *hw = dev_get_drvdata(d);
1548 struct rtl_priv *rtlpriv = rtl_priv(hw);
1552 ret = strict_strtoul(buf, 0, &val);
1554 printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf);
1556 rtlpriv->dbg.global_debuglevel = val;
1557 printk(KERN_DEBUG "debuglevel:%x\n",
1558 rtlpriv->dbg.global_debuglevel);
1561 return strnlen(buf, count);
1564 static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO,
1565 rtl_show_debug_level, rtl_store_debug_level);
1567 static struct attribute *rtl_sysfs_entries[] = {
1569 &dev_attr_debug_level.attr,
1575 * "name" is folder name witch will be
1576 * put in device directory like :
1577 * sys/devices/pci0000:00/0000:00:1c.4/
1578 * 0000:06:00.0/rtl_sysfs
1580 struct attribute_group rtl_attribute_group = {
1582 .attrs = rtl_sysfs_entries,
1585 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
1586 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
1587 MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
1588 MODULE_LICENSE("GPL");
1589 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
1591 static int __init rtl_core_module_init(void)
1593 if (rtl_rate_control_register())
1594 pr_err("Unable to register rtl_rc, use default RC !!\n");
1599 static void __exit rtl_core_module_exit(void)
1602 rtl_rate_control_unregister();
1605 module_init(rtl_core_module_init);
1606 module_exit(rtl_core_module_exit);