drivers/staging/rtl8821ae/base.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2010  Realtek Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  * wlanfae <wlanfae@realtek.com>
  23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24  * Hsinchu 300, Taiwan.
  25  *
  26  * Larry Finger <Larry.Finger@lwfinger.net>
  27  *
  28  *****************************************************************************/
  29
  30 #include <linux/ip.h>
  31 #include <linux/module.h>
  32 #include "wifi.h"
  33 #include "rc.h"
  34 #include "base.h"
  35 #include "efuse.h"
  36 #include "cam.h"
  37 #include "ps.h"
  38 #include "regd.h"
  39 #include "pci.h"
  40
  41 /*
  42  *NOTICE!!!: This file will be very big, we should
  43  *keep it clear under following roles:
  44  *
  45  *This file include following part, so, if you add new
  46  *functions into this file, please check which part it
  47  *should includes. or check if you should add new part
  48  *for this file:
  49  *
  50  *1) mac80211 init functions
  51  *2) tx information functions
  52  *3) functions called by core.c
  53  *4) wq & timer callback functions
  54  *5) frame process functions
  55  *6) IOT functions
  56  *7) sysfs functions
  57  *8) vif functions
  58  *9) ...
  59  */
  60
  61 /*********************************************************
  62  *
  63  * mac80211 init functions
  64  *
  65  *********************************************************/
  66 static struct ieee80211_channel rtl_channeltable_2g[] = {
  67         {.center_freq = 2412, .hw_value = 1,},
  68         {.center_freq = 2417, .hw_value = 2,},
  69         {.center_freq = 2422, .hw_value = 3,},
  70         {.center_freq = 2427, .hw_value = 4,},
  71         {.center_freq = 2432, .hw_value = 5,},
  72         {.center_freq = 2437, .hw_value = 6,},
  73         {.center_freq = 2442, .hw_value = 7,},
  74         {.center_freq = 2447, .hw_value = 8,},
  75         {.center_freq = 2452, .hw_value = 9,},
  76         {.center_freq = 2457, .hw_value = 10,},
  77         {.center_freq = 2462, .hw_value = 11,},
  78         {.center_freq = 2467, .hw_value = 12,},
  79         {.center_freq = 2472, .hw_value = 13,},
  80         {.center_freq = 2484, .hw_value = 14,},
  81 };
  82
  83 static struct ieee80211_channel rtl_channeltable_5g[] = {
  84         {.center_freq = 5180, .hw_value = 36,},
  85         {.center_freq = 5200, .hw_value = 40,},
  86         {.center_freq = 5220, .hw_value = 44,},
  87         {.center_freq = 5240, .hw_value = 48,},
  88         {.center_freq = 5260, .hw_value = 52,},
  89         {.center_freq = 5280, .hw_value = 56,},
  90         {.center_freq = 5300, .hw_value = 60,},
  91         {.center_freq = 5320, .hw_value = 64,},
  92         {.center_freq = 5500, .hw_value = 100,},
  93         {.center_freq = 5520, .hw_value = 104,},
  94         {.center_freq = 5540, .hw_value = 108,},
  95         {.center_freq = 5560, .hw_value = 112,},
  96         {.center_freq = 5580, .hw_value = 116,},
  97         {.center_freq = 5600, .hw_value = 120,},
  98         {.center_freq = 5620, .hw_value = 124,},
  99         {.center_freq = 5640, .hw_value = 128,},
 100         {.center_freq = 5660, .hw_value = 132,},
 101         {.center_freq = 5680, .hw_value = 136,},
 102         {.center_freq = 5700, .hw_value = 140,},
 103         {.center_freq = 5745, .hw_value = 149,},
 104         {.center_freq = 5765, .hw_value = 153,},
 105         {.center_freq = 5785, .hw_value = 157,},
 106         {.center_freq = 5805, .hw_value = 161,},
 107         {.center_freq = 5825, .hw_value = 165,},
 108 };
 109
 110 static struct ieee80211_rate rtl_ratetable_2g[] = {
 111         {.bitrate = 10, .hw_value = 0x00,},
 112         {.bitrate = 20, .hw_value = 0x01,},
 113         {.bitrate = 55, .hw_value = 0x02,},
 114         {.bitrate = 110, .hw_value = 0x03,},
 115         {.bitrate = 60, .hw_value = 0x04,},
 116         {.bitrate = 90, .hw_value = 0x05,},
 117         {.bitrate = 120, .hw_value = 0x06,},
 118         {.bitrate = 180, .hw_value = 0x07,},
 119         {.bitrate = 240, .hw_value = 0x08,},
 120         {.bitrate = 360, .hw_value = 0x09,},
 121         {.bitrate = 480, .hw_value = 0x0a,},
 122         {.bitrate = 540, .hw_value = 0x0b,},
 123 };
 124
 125 static struct ieee80211_rate rtl_ratetable_5g[] = {
 126         {.bitrate = 60, .hw_value = 0x04,},
 127         {.bitrate = 90, .hw_value = 0x05,},
 128         {.bitrate = 120, .hw_value = 0x06,},
 129         {.bitrate = 180, .hw_value = 0x07,},
 130         {.bitrate = 240, .hw_value = 0x08,},
 131         {.bitrate = 360, .hw_value = 0x09,},
 132         {.bitrate = 480, .hw_value = 0x0a,},
 133         {.bitrate = 540, .hw_value = 0x0b,},
 134 };
 135
 136 static const struct ieee80211_supported_band rtl_band_2ghz = {
 137         .band = IEEE80211_BAND_2GHZ,
 138
 139         .channels = rtl_channeltable_2g,
 140         .n_channels = ARRAY_SIZE(rtl_channeltable_2g),
 141
 142         .bitrates = rtl_ratetable_2g,
 143         .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g),
 144
 145         .ht_cap = {0},
 146 };
 147
 148 static struct ieee80211_supported_band rtl_band_5ghz = {
 149         .band = IEEE80211_BAND_5GHZ,
 150
 151         .channels = rtl_channeltable_5g,
 152         .n_channels = ARRAY_SIZE(rtl_channeltable_5g),
 153
 154         .bitrates = rtl_ratetable_5g,
 155         .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g),
 156
 157         .ht_cap = {0},
 158 };
 159
 160 static const u8 tid_to_ac[] = {
 161         2, /* IEEE80211_AC_BE */
 162         3, /* IEEE80211_AC_BK */
 163         3, /* IEEE80211_AC_BK */
 164         2, /* IEEE80211_AC_BE */
 165         1, /* IEEE80211_AC_VI */
 166         1, /* IEEE80211_AC_VI */
 167         0, /* IEEE80211_AC_VO */
 168         0, /* IEEE80211_AC_VO */
 169 };
 170
 171 u8 rtl_tid_to_ac(struct ieee80211_hw *hw, u8 tid)
 172 {
 173         return tid_to_ac[tid];
 174 }
 175
 176 static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
 177                                   struct ieee80211_sta_ht_cap *ht_cap)
 178 {
 179         struct rtl_priv *rtlpriv = rtl_priv(hw);
 180         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 181
 182         ht_cap->ht_supported = true;
 183         ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
 184             IEEE80211_HT_CAP_SGI_40 |
 185             IEEE80211_HT_CAP_SGI_20 |
 186             IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
 187
 188         if (rtlpriv->rtlhal.disable_amsdu_8k)
 189                 ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
 190
 191         /*
 192          *Maximum length of AMPDU that the STA can receive.
 193          *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
 194          */
 195         ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
 196
 197         /*Minimum MPDU start spacing , */
 198         ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
 199
 200         ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
 201
 202         /*
 203          *hw->wiphy->bands[IEEE80211_BAND_2GHZ]
 204          *base on ant_num
 205          *rx_mask: RX mask
 206          *if rx_ant =1 rx_mask[0]=0xff;==>MCS0-MCS7
 207          *if rx_ant =2 rx_mask[1]=0xff;==>MCS8-MCS15
 208          *if rx_ant >=3 rx_mask[2]=0xff;
 209          *if BW_40 rx_mask[4]=0x01;
 210          *highest supported RX rate
 211          */
 212         if (rtlpriv->dm.supp_phymode_switch) {
 213                 RT_TRACE(COMP_INIT, DBG_EMERG, ("Support phy mode switch\n"));
 214
 215                 ht_cap->mcs.rx_mask[0] = 0xFF;
 216                 ht_cap->mcs.rx_mask[1] = 0xFF;
 217                 ht_cap->mcs.rx_mask[4] = 0x01;
 218
 219                 ht_cap->mcs.rx_highest = MAX_BIT_RATE_40MHZ_MCS15;
 220         } else {
 221                 if (get_rf_type(rtlphy) == RF_1T2R ||
 222                                 get_rf_type(rtlphy) == RF_2T2R) {
 223
 224                         RT_TRACE(COMP_INIT, DBG_DMESG, ("1T2R or 2T2R\n"));
 225
 226                         ht_cap->mcs.rx_mask[0] = 0xFF;
 227                         ht_cap->mcs.rx_mask[1] = 0xFF;
 228                         ht_cap->mcs.rx_mask[4] = 0x01;
 229
 230                         ht_cap->mcs.rx_highest = MAX_BIT_RATE_40MHZ_MCS15;
 231                 } else if (get_rf_type(rtlphy) == RF_1T1R) {
 232
 233                         RT_TRACE(COMP_INIT, DBG_DMESG, ("1T1R\n"));
 234
 235                         ht_cap->mcs.rx_mask[0] = 0xFF;
 236                         ht_cap->mcs.rx_mask[1] = 0x00;
 237                         ht_cap->mcs.rx_mask[4] = 0x01;
 238
 239                         ht_cap->mcs.rx_highest = MAX_BIT_RATE_40MHZ_MCS7;
 240                 }
 241         }
 242 }
 243
 244 static void _rtl_init_mac80211(struct ieee80211_hw *hw)
 245 {
 246         struct rtl_priv *rtlpriv = rtl_priv(hw);
 247         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 248         struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
 249         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 250         struct ieee80211_supported_band *sband;
 251
 252
 253         if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY &&
 254             rtlhal->bandset == BAND_ON_BOTH) {
 255                 /* 1: 2.4 G bands */
 256                 /* <1> use  mac->bands as mem for hw->wiphy->bands */
 257                 sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]);
 258
 259                 /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
 260                  * to default value(1T1R) */
 261                 memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), &rtl_band_2ghz,
 262                                 sizeof(struct ieee80211_supported_band));
 263
 264                 /* <3> init ht cap base on ant_num */
 265                 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
 266
 267                 /* <4> set mac->sband to wiphy->sband */
 268                 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
 269
 270                 /* 2: 5 G bands */
 271                 /* <1> use  mac->bands as mem for hw->wiphy->bands */
 272                 sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
 273
 274                 /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
 275                  * to default value(1T1R) */
 276                 memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), &rtl_band_5ghz,
 277                                 sizeof(struct ieee80211_supported_band));
 278
 279                 /* <3> init ht cap base on ant_num */
 280                 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
 281
 282                 /* <4> set mac->sband to wiphy->sband */
 283                 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
 284         } else {
 285                 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 286                         /* <1> use  mac->bands as mem for hw->wiphy->bands */
 287                         sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]);
 288
 289                         /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
 290                          * to default value(1T1R) */
 291                         memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]),
 292                                &rtl_band_2ghz,
 293                                sizeof(struct ieee80211_supported_band));
 294
 295                         /* <3> init ht cap base on ant_num */
 296                         _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
 297
 298                         /* <4> set mac->sband to wiphy->sband */
 299                         hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
 300                 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
 301                         /* <1> use  mac->bands as mem for hw->wiphy->bands */
 302                         sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
 303
 304                         /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
 305                          * to default value(1T1R) */
 306                         memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]),
 307                                &rtl_band_5ghz,
 308                                sizeof(struct ieee80211_supported_band));
 309
 310                         /* <3> init ht cap base on ant_num */
 311                         _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
 312
 313                         /* <4> set mac->sband to wiphy->sband */
 314                         hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
 315                 } else {
 316                         RT_TRACE(COMP_INIT, DBG_EMERG, ("Err BAND %d\n",
 317                                  rtlhal->current_bandtype));
 318                 }
 319         }
 320         /* <5> set hw caps */
 321         hw->flags = IEEE80211_HW_SIGNAL_DBM |
 322             IEEE80211_HW_RX_INCLUDES_FCS |
 323 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0))
 324             IEEE80211_HW_BEACON_FILTER |
 325 #endif
 326             IEEE80211_HW_AMPDU_AGGREGATION |
 327             IEEE80211_HW_REPORTS_TX_ACK_STATUS |
 328             IEEE80211_HW_CONNECTION_MONITOR |
 329             /* IEEE80211_HW_SUPPORTS_CQM_RSSI | */
 330             IEEE80211_HW_MFP_CAPABLE | 0;
 331
 332         /* swlps or hwlps has been set in diff chip in init_sw_vars */
 333         if (rtlpriv->psc.b_swctrl_lps)
 334                 hw->flags |= IEEE80211_HW_SUPPORTS_PS |
 335                         IEEE80211_HW_PS_NULLFUNC_STACK |
 336                         /* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */
 337                         0;
 338 /*<delete in kernel start>*/
 339 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
 340         hw->wiphy->interface_modes =
 341             BIT(NL80211_IFTYPE_AP) |
 342             BIT(NL80211_IFTYPE_STATION) |
 343             BIT(NL80211_IFTYPE_ADHOC) |
 344             BIT(NL80211_IFTYPE_MESH_POINT) |
 345             BIT(NL80211_IFTYPE_P2P_CLIENT) |
 346             BIT(NL80211_IFTYPE_P2P_GO);
 347 #else
 348 /*<delete in kernel end>*/
 349         hw->wiphy->interface_modes =
 350             BIT(NL80211_IFTYPE_AP) |
 351             BIT(NL80211_IFTYPE_STATION) |
 352             BIT(NL80211_IFTYPE_ADHOC) |
 353             BIT(NL80211_IFTYPE_MESH_POINT) ;
 354 /*<delete in kernel start>*/
 355 #endif
 356 /*<delete in kernel end>*/
 357 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39))
 358         hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
 359 #endif
 360
 361 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
 362         hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
 363 #endif
 364
 365         hw->wiphy->rts_threshold = 2347;
 366
 367         hw->queues = AC_MAX;
 368         hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
 369
 370         /* TODO: Correct this value for our hw */
 371         /* TODO: define these hard code value */
 372         hw->max_listen_interval = 10;
 373         hw->max_rate_tries = 4;
 374         /* hw->max_rates = 1; */
 375         hw->sta_data_size = sizeof(struct rtl_sta_info);
 376 #ifdef VIF_TODO
 377         hw->vif_data_size = sizeof(struct rtl_vif_info);
 378 #endif
 379
 380         /* <6> mac address */
 381         if (is_valid_ether_addr(rtlefuse->dev_addr)) {
 382                 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
 383         } else {
 384                 u8 rtlmac[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
 385                 get_random_bytes((rtlmac + (ETH_ALEN - 1)), 1);
 386                 SET_IEEE80211_PERM_ADDR(hw, rtlmac);
 387         }
 388
 389 }
 390
 391 static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
 392 {
 393         struct rtl_priv *rtlpriv = rtl_priv(hw);
 394
 395         /* <1> timer */
 396         init_timer(&rtlpriv->works.watchdog_timer);
 397         setup_timer(&rtlpriv->works.watchdog_timer,
 398                     rtl_watch_dog_timer_callback, (unsigned long)hw);
 399         init_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer);
 400         setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
 401                     rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw);
 402         /* <2> work queue */
 403         rtlpriv->works.hw = hw;
 404 /*<delete in kernel start>*/
 405 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
 406 /*<delete in kernel end>*/
 407         rtlpriv->works.rtl_wq = alloc_workqueue(rtlpriv->cfg->name, 0, 0);
 408 /*<delete in kernel start>*/
 409 #else
 410         rtlpriv->works.rtl_wq = create_workqueue(rtlpriv->cfg->name);
 411 #endif
 412 /*<delete in kernel end>*/
 413         INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
 414                           (void *)rtl_watchdog_wq_callback);
 415         INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
 416                           (void *)rtl_ips_nic_off_wq_callback);
 417         INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
 418                           (void *)rtl_swlps_wq_callback);
 419         INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
 420                           (void *)rtl_swlps_rfon_wq_callback);
 421         INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq,
 422                           (void *)rtl_fwevt_wq_callback);
 423
 424 }
 425
 426 void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
 427 {
 428         struct rtl_priv *rtlpriv = rtl_priv(hw);
 429
 430         del_timer_sync(&rtlpriv->works.watchdog_timer);
 431
 432         cancel_delayed_work(&rtlpriv->works.watchdog_wq);
 433         cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
 434         cancel_delayed_work(&rtlpriv->works.ps_work);
 435         cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 436         cancel_delayed_work(&rtlpriv->works.fwevt_wq);
 437 }
 438
 439 void rtl_init_rfkill(struct ieee80211_hw *hw)
 440 {
 441         struct rtl_priv *rtlpriv = rtl_priv(hw);
 442
 443         bool radio_state;
 444         bool blocked;
 445         u8 valid = 0;
 446
 447         /*set init state to on */
 448         rtlpriv->rfkill.rfkill_state = 1;
 449         wiphy_rfkill_set_hw_state(hw->wiphy, 0);
 450
 451         radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
 452
 453         if (valid) {
 454                 printk(KERN_INFO "rtlwifi: wireless switch is %s\n",
 455                        rtlpriv->rfkill.rfkill_state ? "on" : "off");
 456
 457                 rtlpriv->rfkill.rfkill_state = radio_state;
 458
 459                 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
 460                 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
 461         }
 462
 463         wiphy_rfkill_start_polling(hw->wiphy);
 464 }
 465
 466 void rtl_deinit_rfkill(struct ieee80211_hw *hw)
 467 {
 468         wiphy_rfkill_stop_polling(hw->wiphy);
 469 }
 470
 471 #ifdef VIF_TODO
 472 static void rtl_init_vif(struct ieee80211_hw *hw)
 473 {
 474         struct rtl_priv *rtlpriv = rtl_priv(hw);
 475
 476         INIT_LIST_HEAD(&rtlpriv->vif_priv.vif_list);
 477
 478         rtlpriv->vif_priv.vifs = 0;
 479 }
 480 #endif
 481
 482 int rtl_init_core(struct ieee80211_hw *hw)
 483 {
 484         struct rtl_priv *rtlpriv = rtl_priv(hw);
 485         struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
 486
 487         /* <1> init mac80211 */
 488         _rtl_init_mac80211(hw);
 489         rtlmac->hw = hw;
 490         rtlmac->link_state = MAC80211_NOLINK;
 491
 492         /* <2> rate control register */
 493         hw->rate_control_algorithm = "rtl_rc";
 494
 495         /*
 496          * <3> init CRDA must come after init
 497          * mac80211 hw  in _rtl_init_mac80211.
 498          */
 499         if (rtl_regd_init(hw, rtl_reg_notifier)) {
 500                 RT_TRACE(COMP_ERR, DBG_EMERG, ("REGD init failed\n"));
 501                 return 1;
 502         }
 503
 504         /* <4> locks */
 505         mutex_init(&rtlpriv->locks.conf_mutex);
 506         spin_lock_init(&rtlpriv->locks.ips_lock);
 507         spin_lock_init(&rtlpriv->locks.irq_th_lock);
 508         spin_lock_init(&rtlpriv->locks.h2c_lock);
 509         spin_lock_init(&rtlpriv->locks.rf_ps_lock);
 510         spin_lock_init(&rtlpriv->locks.rf_lock);
 511         spin_lock_init(&rtlpriv->locks.lps_lock);
 512         spin_lock_init(&rtlpriv->locks.waitq_lock);
 513         spin_lock_init(&rtlpriv->locks.entry_list_lock);
 514         spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
 515         spin_lock_init(&rtlpriv->locks.check_sendpkt_lock);
 516         spin_lock_init(&rtlpriv->locks.fw_ps_lock);
 517         spin_lock_init(&rtlpriv->locks.iqk_lock);
 518         /* <5> init list */
 519         INIT_LIST_HEAD(&rtlpriv->entry_list);
 520
 521         /* <6> init deferred work */
 522         _rtl_init_deferred_work(hw);
 523
 524         /* <7> */
 525 #ifdef VIF_TODO
 526         rtl_init_vif(hw);
 527 #endif
 528
 529         return 0;
 530 }
 531
 532 void rtl_deinit_core(struct ieee80211_hw *hw)
 533 {
 534 }
 535
 536 void rtl_init_rx_config(struct ieee80211_hw *hw)
 537 {
 538         struct rtl_priv *rtlpriv = rtl_priv(hw);
 539         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 540
 541         rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
 542 }
 543
 544 /*********************************************************
 545  *
 546  * tx information functions
 547  *
 548  *********************************************************/
 549 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
 550                                           struct rtl_tcb_desc *tcb_desc,
 551                                           struct ieee80211_tx_info *info)
 552 {
 553         struct rtl_priv *rtlpriv = rtl_priv(hw);
 554         u8 rate_flag = info->control.rates[0].flags;
 555
 556         tcb_desc->use_shortpreamble = false;
 557
 558         /* 1M can only use Long Preamble. 11B spec */
 559         if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
 560                 return;
 561         else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
 562                 tcb_desc->use_shortpreamble = true;
 563
 564         return;
 565 }
 566
 567 static void _rtl_query_shortgi(struct ieee80211_hw *hw,
 568                                struct ieee80211_sta *sta,
 569                                struct rtl_tcb_desc *tcb_desc,
 570                                struct ieee80211_tx_info *info)
 571 {
 572         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 573         u8 rate_flag = info->control.rates[0].flags;
 574         u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
 575         tcb_desc->use_shortgi = false;
 576
 577         if (sta == NULL)
 578                 return;
 579
 580         sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
 581         sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
 582
 583         if (!(sta->ht_cap.ht_supported))
 584                 return;
 585
 586         if (!sgi_40 && !sgi_20)
 587                 return;
 588
 589         if (mac->opmode == NL80211_IFTYPE_STATION)
 590                 bw_40 = mac->bw_40;
 591         else if (mac->opmode == NL80211_IFTYPE_AP ||
 592                  mac->opmode == NL80211_IFTYPE_ADHOC ||
 593                  mac->opmode == NL80211_IFTYPE_MESH_POINT)
 594                 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 595
 596         if ((bw_40 == true) && sgi_40)
 597                 tcb_desc->use_shortgi = true;
 598         else if ((bw_40 == false) && sgi_20)
 599                 tcb_desc->use_shortgi = true;
 600
 601         if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
 602                 tcb_desc->use_shortgi = false;
 603 }
 604
 605 static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
 606                                        struct rtl_tcb_desc *tcb_desc,
 607                                        struct ieee80211_tx_info *info)
 608 {
 609         struct rtl_priv *rtlpriv = rtl_priv(hw);
 610         u8 rate_flag = info->control.rates[0].flags;
 611
 612         /* Common Settings */
 613         tcb_desc->b_rts_stbc = false;
 614         tcb_desc->b_cts_enable = false;
 615         tcb_desc->rts_sc = 0;
 616         tcb_desc->b_rts_bw = false;
 617         tcb_desc->b_rts_use_shortpreamble = false;
 618         tcb_desc->b_rts_use_shortgi = false;
 619
 620         if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
 621                 /* Use CTS-to-SELF in protection mode. */
 622                 tcb_desc->b_rts_enable = true;
 623                 tcb_desc->b_cts_enable = true;
 624                 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
 625         } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
 626                 /* Use RTS-CTS in protection mode. */
 627                 tcb_desc->b_rts_enable = true;
 628                 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
 629         }
 630 }
 631
 632 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
 633                                    struct ieee80211_sta *sta,
 634                                    struct rtl_tcb_desc *tcb_desc)
 635 {
 636         struct rtl_priv *rtlpriv = rtl_priv(hw);
 637         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 638         struct rtl_sta_info *sta_entry = NULL;
 639         u8 ratr_index = 7;
 640
 641         if (sta) {
 642                 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
 643                 ratr_index = sta_entry->ratr_index;
 644         }
 645         if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
 646                 if (mac->opmode == NL80211_IFTYPE_STATION) {
 647                         tcb_desc->ratr_index = 0;
 648                 } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
 649                                 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
 650                         if (tcb_desc->b_multicast || tcb_desc->b_broadcast) {
 651                                 tcb_desc->hw_rate =
 652                                     rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
 653                                 tcb_desc->use_driver_rate = 1;
 654                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
 655                         } else {
 656                                 tcb_desc->ratr_index = ratr_index;
 657                         }
 658                 } else if (mac->opmode == NL80211_IFTYPE_AP) {
 659                         tcb_desc->ratr_index = ratr_index;
 660                 }
 661         }
 662
 663         if (rtlpriv->dm.b_useramask) {
 664                 tcb_desc->ratr_index = ratr_index;
 665                 /* TODO we will differentiate adhoc and station future  */
 666                 if (mac->opmode == NL80211_IFTYPE_STATION ||
 667                         mac->opmode == NL80211_IFTYPE_MESH_POINT) {
 668                         tcb_desc->mac_id = 0;
 669                         if (mac->mode == WIRELESS_MODE_N_24G)
 670                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB;
 671                         else if (mac->mode == WIRELESS_MODE_N_5G)
 672                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_NG;
 673                         else if (mac->mode & WIRELESS_MODE_G)
 674                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_GB;
 675                         else if (mac->mode & WIRELESS_MODE_B)
 676                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_B;
 677                         else if (mac->mode & WIRELESS_MODE_A)
 678                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_G;
 679                 } else if (mac->opmode == NL80211_IFTYPE_AP ||
 680                         mac->opmode == NL80211_IFTYPE_ADHOC) {
 681                         if (NULL != sta) {
 682                                 if (sta->aid > 0)
 683                                         tcb_desc->mac_id = sta->aid + 1;
 684                                 else
 685                                         tcb_desc->mac_id = 1;
 686                         } else {
 687                                 tcb_desc->mac_id = 0;
 688                         }
 689                 }
 690         }
 691 }
 692
 693 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
 694                                       struct ieee80211_sta *sta,
 695                                       struct rtl_tcb_desc *tcb_desc)
 696 {
 697         struct rtl_priv *rtlpriv = rtl_priv(hw);
 698         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 699
 700         tcb_desc->b_packet_bw = false;
 701         if (!sta)
 702                 return;
 703         if (mac->opmode == NL80211_IFTYPE_AP ||
 704                 mac->opmode == NL80211_IFTYPE_ADHOC ||
 705                 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
 706                 if (!(sta->ht_cap.ht_supported) ||
 707                         !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
 708                         return;
 709         } else if (mac->opmode == NL80211_IFTYPE_STATION) {
 710                 if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
 711                         return;
 712         }
 713         if (tcb_desc->b_multicast || tcb_desc->b_broadcast)
 714                 return;
 715
 716         /*use legency rate, shall use 20MHz */
 717         if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
 718                 return;
 719
 720         tcb_desc->b_packet_bw = true;
 721 }
 722
 723 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
 724                                   struct ieee80211_sta *sta)
 725 {
 726         struct rtl_priv *rtlpriv = rtl_priv(hw);
 727         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 728         u8 hw_rate;
 729
 730         if ((get_rf_type(rtlphy) == RF_2T2R) && (sta->ht_cap.mcs.rx_mask[1] != 0))
 731                 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
 732         else
 733                 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
 734
 735         return hw_rate;
 736 }
 737
 738 void rtl_get_tcb_desc(struct ieee80211_hw *hw,
 739                       struct ieee80211_tx_info *info,
 740                       struct ieee80211_sta *sta,
 741                       struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
 742 {
 743         struct rtl_priv *rtlpriv = rtl_priv(hw);
 744         struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
 745         struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
 746         struct ieee80211_rate *txrate;
 747         u16 fc = rtl_get_fc(skb);
 748
 749         txrate = ieee80211_get_tx_rate(hw, info);
 750         if (txrate != NULL)
 751                 tcb_desc->hw_rate = txrate->hw_value;
 752
 753         if (ieee80211_is_data(fc)) {
 754                 /*
 755                  *we set data rate INX 0
 756                  *in rtl_rc.c   if skb is special data or
 757                  *mgt which need low data rate.
 758                  */
 759
 760                 /*
 761                  *So tcb_desc->hw_rate is just used for
 762                  *special data and mgt frames
 763                  */
 764                 if (info->control.rates[0].idx == 0 ||
 765                                 ieee80211_is_nullfunc(fc)) {
 766                         tcb_desc->use_driver_rate = true;
 767                         tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
 768
 769                         tcb_desc->disable_ratefallback = 1;
 770                 } else {
 771                         /*
 772                          *because hw will never use hw_rate
 773                          *when tcb_desc->use_driver_rate = false
 774                          *so we never set highest N rate here,
 775                          *and N rate will all be controlled by FW
 776                          *when tcb_desc->use_driver_rate = false
 777                          */
 778                         if (sta && (sta->ht_cap.ht_supported)) {
 779                                 tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw, sta);
 780                         } else {
 781                                 if (rtlmac->mode == WIRELESS_MODE_B) {
 782                                         tcb_desc->hw_rate =
 783                                             rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
 784                                 } else {
 785                                         tcb_desc->hw_rate =
 786                                             rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
 787                                 }
 788                         }
 789                 }
 790
 791                 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)))
 792                         tcb_desc->b_multicast = 1;
 793                 else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
 794                         tcb_desc->b_broadcast = 1;
 795
 796                 _rtl_txrate_selectmode(hw, sta, tcb_desc);
 797                 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
 798                 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
 799                 _rtl_query_shortgi(hw, sta, tcb_desc, info);
 800                 _rtl_query_protection_mode(hw, tcb_desc, info);
 801         } else {
 802                 tcb_desc->use_driver_rate = true;
 803                 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
 804                 tcb_desc->disable_ratefallback = 1;
 805                 tcb_desc->mac_id = 0;
 806                 tcb_desc->b_packet_bw = false;
 807         }
 808 }
 809 /* EXPORT_SYMBOL(rtl_get_tcb_desc); */
 810
 811 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
 812 {
 813         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 814         struct rtl_priv *rtlpriv = rtl_priv(hw);
 815         u16 fc = rtl_get_fc(skb);
 816
 817         if (rtlpriv->dm.supp_phymode_switch &&
 818                 mac->link_state < MAC80211_LINKED &&
 819                 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
 820                 if (rtlpriv->cfg->ops->check_switch_to_dmdp)
 821                         rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
 822         }
 823         if (ieee80211_is_auth(fc)) {
 824                 RT_TRACE(COMP_SEND, DBG_DMESG, ("MAC80211_LINKING\n"));
 825                 rtl_ips_nic_on(hw);
 826
 827                 mac->link_state = MAC80211_LINKING;
 828                 /* Dul mac */
 829                 rtlpriv->phy.b_need_iqk = true;
 830
 831         }
 832
 833         return true;
 834 }
 835
 836 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
 837                                 u8 *bssid, u16 tid);
 838 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
 839 {
 840         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 841         struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
 842         struct rtl_priv *rtlpriv = rtl_priv(hw);
 843         u16 fc = rtl_get_fc(skb);
 844         u8 *act = (u8 *) (((u8 *) skb->data + MAC80211_3ADDR_LEN));
 845         u8 category;
 846
 847         if (!ieee80211_is_action(fc))
 848                 return true;
 849
 850         category = *act;
 851         act++;
 852         switch (category) {
 853         case ACT_CAT_BA:
 854                 switch (*act) {
 855                 case ACT_ADDBAREQ:
 856                         if (mac->act_scanning)
 857                                 return false;
 858
 859                         RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
 860                                  ("%s ACT_ADDBAREQ From :%pM\n",
 861                                   is_tx ? "Tx" : "Rx", hdr->addr2));
 862                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, ("req\n"),
 863                         skb->data, skb->len);
 864                         if (!is_tx) {
 865                                 struct ieee80211_sta *sta = NULL;
 866                                 struct rtl_sta_info *sta_entry = NULL;
 867                                 struct ieee80211_mgmt *mgmt = (void *)skb->data;
 868                                 u16 capab = 0, tid = 0;
 869                                 struct rtl_tid_data *tid_data;
 870                                 struct sk_buff *skb_delba = NULL;
 871                                 struct ieee80211_rx_status rx_status = { 0 };
 872
 873                                 rcu_read_lock();
 874                                 sta = rtl_find_sta(hw, hdr->addr3);
 875                                 if (sta == NULL) {
 876                                         RT_TRACE((COMP_SEND | COMP_RECV),
 877                                                  DBG_EMERG, ("sta is NULL\n"));
 878                                         rcu_read_unlock();
 879                                         return true;
 880                                 }
 881
 882                                 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 883                                 if (!sta_entry) {
 884                                         rcu_read_unlock();
 885                                         return true;
 886                                 }
 887                                 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab);
 888                                 tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
 889                                 tid_data = &sta_entry->tids[tid];
 890                                 if (tid_data->agg.rx_agg_state ==
 891                                     RTL_RX_AGG_START) {
 892                                         skb_delba = rtl_make_del_ba(hw,
 893                                                                     hdr->addr2,
 894                                                                     hdr->addr3,
 895                                                                     tid);
 896                                         if (skb_delba) {
 897 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
 898                                                 rx_status.freq = hw->conf.chandef.chan->center_freq;
 899                                                 rx_status.band = hw->conf.chandef.chan->band;
 900 #else
 901                                                 rx_status.freq = hw->conf.channel->center_freq;
 902                                                 rx_status.band = hw->conf.channel->band;
 903 #endif
 904                                                 rx_status.flag |= RX_FLAG_DECRYPTED;
 905                                                 rx_status.flag |= RX_FLAG_MACTIME_MPDU;
 906                                                 rx_status.rate_idx = 0;
 907                                                 rx_status.signal = 50 + 10;
 908                                                 memcpy(IEEE80211_SKB_RXCB(skb_delba), &rx_status,
 909                                                                 sizeof(rx_status));
 910                                                 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
 911                                                                 ("fake del\n"), skb_delba->data,
 912                                                                 skb_delba->len);
 913                                                 ieee80211_rx_irqsafe(hw, skb_delba);
 914                                         }
 915                                 }
 916                                 rcu_read_unlock();
 917                         }
 918                         break;
 919                 case ACT_ADDBARSP:
 920                         RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
 921                                  ("%s ACT_ADDBARSP From :%pM\n",
 922                                   is_tx ? "Tx" : "Rx", hdr->addr2));
 923                         break;
 924                 case ACT_DELBA:
 925                         RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
 926                                  ("ACT_ADDBADEL From :%pM\n", hdr->addr2));
 927                         break;
 928                 }
 929                 break;
 930         default:
 931                 break;
 932         }
 933
 934         return true;
 935 }
 936
 937 /*should call before software enc*/
 938 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
 939 {
 940         struct rtl_priv *rtlpriv = rtl_priv(hw);
 941         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 942         u16 fc = rtl_get_fc(skb);
 943         u16 ether_type;
 944         u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
 945         const struct iphdr *ip;
 946
 947         if (!ieee80211_is_data(fc))
 948                 goto end;
 949
 950
 951         ip = (struct iphdr *)((u8 *) skb->data + mac_hdr_len +
 952                               SNAP_SIZE + PROTOC_TYPE_SIZE);
 953         ether_type = *(u16 *) ((u8 *) skb->data + mac_hdr_len + SNAP_SIZE);
 954         ether_type = ntohs(ether_type);
 955
 956         if (ETH_P_IP == ether_type) {
 957                 if (IPPROTO_UDP == ip->protocol) {
 958                         struct udphdr *udp = (struct udphdr *)((u8 *) ip +
 959                                                                (ip->ihl << 2));
 960                         if (((((u8 *) udp)[1] == 68) &&
 961                              (((u8 *) udp)[3] == 67)) ||
 962                             ((((u8 *) udp)[1] == 67) &&
 963                              (((u8 *) udp)[3] == 68))) {
 964                                 /*
 965                                  * 68 : UDP BOOTP client
 966                                  * 67 : UDP BOOTP server
 967                                  */
 968                                 RT_TRACE((COMP_SEND | COMP_RECV),
 969                                          DBG_DMESG, ("dhcp %s !!\n",
 970                                                      (is_tx) ? "Tx" : "Rx"));
 971
 972                                 if (is_tx) {
 973                                         rtlpriv->ra.is_special_data = true;
 974                                         rtl_lps_leave(hw);
 975                                         ppsc->last_delaylps_stamp_jiffies =
 976                                                                         jiffies;
 977                                 }
 978
 979                                 return true;
 980                         }
 981                 }
 982         } else if (ETH_P_ARP == ether_type) {
 983                 if (is_tx) {
 984                         rtlpriv->ra.is_special_data = true;
 985                         rtl_lps_leave(hw);
 986                         ppsc->last_delaylps_stamp_jiffies = jiffies;
 987                 }
 988
 989                 return true;
 990         } else if (ETH_P_PAE == ether_type) {
 991                 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
 992                          ("802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"));
 993
 994                 if (is_tx) {
 995                         rtlpriv->ra.is_special_data = true;
 996                         rtl_lps_leave(hw);
 997                         ppsc->last_delaylps_stamp_jiffies = jiffies;
 998                 }
 999
1000                 return true;
1001         } else if (0x86DD == ether_type) {
1002                 return true;
1003         }
1004
1005 end:
1006         rtlpriv->ra.is_special_data = false;
1007         return false;
1008 }
1009
1010 /*********************************************************
1011  *
1012  * functions called by core.c
1013  *
1014  *********************************************************/
1015 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1016                      struct ieee80211_sta *sta, u16 tid, u16 *ssn)
1017 {
1018         struct rtl_priv *rtlpriv = rtl_priv(hw);
1019         struct rtl_tid_data *tid_data;
1020         struct rtl_sta_info *sta_entry = NULL;
1021
1022         if (sta == NULL)
1023                 return -EINVAL;
1024
1025         if (unlikely(tid >= MAX_TID_COUNT))
1026                 return -EINVAL;
1027
1028         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1029         if (!sta_entry)
1030                 return -ENXIO;
1031         tid_data = &sta_entry->tids[tid];
1032
1033         RT_TRACE(COMP_SEND, DBG_DMESG,
1034                  ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1035                   tid_data->seq_number));
1036
1037         *ssn = tid_data->seq_number;
1038         tid_data->agg.agg_state = RTL_AGG_START;
1039
1040         ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1041         return 0;
1042 }
1043
1044 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1045                     struct ieee80211_sta *sta, u16 tid)
1046 {
1047         struct rtl_priv *rtlpriv = rtl_priv(hw);
1048         struct rtl_tid_data *tid_data;
1049         struct rtl_sta_info *sta_entry = NULL;
1050
1051         if (sta == NULL)
1052                 return -EINVAL;
1053
1054         if (!sta->addr) {
1055                 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1056                 return -EINVAL;
1057         }
1058
1059         RT_TRACE(COMP_SEND, DBG_DMESG,
1060                  ("on ra = %pM tid = %d\n", sta->addr, tid));
1061
1062         if (unlikely(tid >= MAX_TID_COUNT))
1063                 return -EINVAL;
1064
1065         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1066         tid_data = &sta_entry->tids[tid];
1067         sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1068
1069         ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1070         return 0;
1071 }
1072
1073 int rtl_rx_agg_start(struct ieee80211_hw *hw,
1074                      struct ieee80211_sta *sta, u16 tid)
1075 {
1076         struct rtl_priv *rtlpriv = rtl_priv(hw);
1077         struct rtl_tid_data *tid_data;
1078         struct rtl_sta_info *sta_entry = NULL;
1079
1080         if (sta == NULL)
1081                 return -EINVAL;
1082
1083         if (unlikely(tid >= MAX_TID_COUNT))
1084                 return -EINVAL;
1085
1086         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1087         if (!sta_entry)
1088                 return -ENXIO;
1089         tid_data = &sta_entry->tids[tid];
1090
1091         RT_TRACE(COMP_RECV, DBG_DMESG,
1092                  ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1093                  tid_data->seq_number));
1094
1095         tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1096         return 0;
1097 }
1098
1099 int rtl_rx_agg_stop(struct ieee80211_hw *hw,
1100                 struct ieee80211_sta *sta, u16 tid)
1101 {
1102         struct rtl_priv *rtlpriv = rtl_priv(hw);
1103         struct rtl_tid_data *tid_data;
1104         struct rtl_sta_info *sta_entry = NULL;
1105
1106         if (sta == NULL)
1107                 return -EINVAL;
1108
1109         if (!sta->addr) {
1110                 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1111                 return -EINVAL;
1112         }
1113
1114         RT_TRACE(COMP_SEND, DBG_DMESG,
1115                  ("on ra = %pM tid = %d\n", sta->addr, tid));
1116
1117         if (unlikely(tid >= MAX_TID_COUNT))
1118                 return -EINVAL;
1119
1120         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1121         tid_data = &sta_entry->tids[tid];
1122         sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
1123
1124         return 0;
1125 }
1126 int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1127                 struct ieee80211_sta *sta, u16 tid)
1128 {
1129         struct rtl_priv *rtlpriv = rtl_priv(hw);
1130         struct rtl_tid_data *tid_data;
1131         struct rtl_sta_info *sta_entry = NULL;
1132
1133         if (sta == NULL)
1134                 return -EINVAL;
1135
1136         if (!sta->addr) {
1137                 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1138                 return -EINVAL;
1139         }
1140
1141         RT_TRACE(COMP_SEND, DBG_DMESG,
1142                  ("on ra = %pM tid = %d\n", sta->addr, tid));
1143
1144         if (unlikely(tid >= MAX_TID_COUNT))
1145                 return -EINVAL;
1146
1147         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1148         tid_data = &sta_entry->tids[tid];
1149         sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1150
1151         return 0;
1152 }
1153
1154 /*********************************************************
1155  *
1156  * wq & timer callback functions
1157  *
1158  *********************************************************/
1159 /* this function is used for roaming */
1160 void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1161 {
1162         struct rtl_priv *rtlpriv = rtl_priv(hw);
1163         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1164
1165         if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1166                 return;
1167
1168         if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1169                 return;
1170
1171         /* check if this really is a beacon */
1172         if (!ieee80211_is_beacon(hdr->frame_control) &&
1173                 !ieee80211_is_probe_resp(hdr->frame_control))
1174                 return;
1175
1176         /* min. beacon length + FCS_LEN */
1177         if (skb->len <= 40 + FCS_LEN)
1178                 return;
1179
1180         /* and only beacons from the associated BSSID, please */
1181         if (ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1182                 return;
1183
1184         rtlpriv->link_info.bcn_rx_inperiod++;
1185 }
1186
1187 void rtl_watchdog_wq_callback(void *data)
1188 {
1189         struct rtl_works *rtlworks = container_of_dwork_rtl(data,
1190                                                             struct rtl_works,
1191                                                             watchdog_wq);
1192         struct ieee80211_hw *hw = rtlworks->hw;
1193         struct rtl_priv *rtlpriv = rtl_priv(hw);
1194         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1195         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1196         bool b_busytraffic = false;
1197         bool b_tx_busy_traffic = false;
1198         bool b_rx_busy_traffic = false;
1199         bool b_higher_busytraffic = false;
1200         bool b_higher_busyrxtraffic = false;
1201         u8 idx, tid;
1202         u32 rx_cnt_inp4eriod = 0;
1203         u32 tx_cnt_inp4eriod = 0;
1204         u32 aver_rx_cnt_inperiod = 0;
1205         u32 aver_tx_cnt_inperiod = 0;
1206         u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
1207         u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
1208         bool benter_ps = false;
1209
1210         if (is_hal_stop(rtlhal))
1211                 return;
1212
1213         /* <1> Determine if action frame is allowed */
1214         if (mac->link_state > MAC80211_NOLINK) {
1215                 if (mac->cnt_after_linked < 20)
1216                         mac->cnt_after_linked++;
1217         } else {
1218                 mac->cnt_after_linked = 0;
1219         }
1220
1221         /* <2> to check if traffic busy, if
1222          * busytraffic we don't change channel */
1223         if (mac->link_state >= MAC80211_LINKED) {
1224
1225                 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
1226                 for (idx = 0; idx <= 2; idx++) {
1227                         rtlpriv->link_info.num_rx_in4period[idx] =
1228                             rtlpriv->link_info.num_rx_in4period[idx + 1];
1229                         rtlpriv->link_info.num_tx_in4period[idx] =
1230                             rtlpriv->link_info.num_tx_in4period[idx + 1];
1231                 }
1232                 rtlpriv->link_info.num_rx_in4period[3] =
1233                     rtlpriv->link_info.num_rx_inperiod;
1234                 rtlpriv->link_info.num_tx_in4period[3] =
1235                     rtlpriv->link_info.num_tx_inperiod;
1236                 for (idx = 0; idx <= 3; idx++) {
1237                         rx_cnt_inp4eriod +=
1238                             rtlpriv->link_info.num_rx_in4period[idx];
1239                         tx_cnt_inp4eriod +=
1240                             rtlpriv->link_info.num_tx_in4period[idx];
1241                 }
1242                 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
1243                 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
1244
1245                 /* (2) check traffic busy */
1246                 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
1247                         b_busytraffic = true;
1248                         if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
1249                                 b_rx_busy_traffic = true;
1250                         else
1251                                 b_tx_busy_traffic = false;
1252                 }
1253
1254                 /* Higher Tx/Rx data. */
1255                 if (aver_rx_cnt_inperiod > 4000 ||
1256                         aver_tx_cnt_inperiod > 4000) {
1257                         b_higher_busytraffic = true;
1258
1259                         /* Extremely high Rx data. */
1260                         if (aver_rx_cnt_inperiod > 5000)
1261                                 b_higher_busyrxtraffic = true;
1262                 }
1263
1264                 /* check every tid's tx traffic */
1265                 for (tid = 0; tid <= 7; tid++) {
1266                         for (idx = 0; idx <= 2; idx++)
1267                                 rtlpriv->link_info.tidtx_in4period[tid][idx] =
1268                                         rtlpriv->link_info.tidtx_in4period[tid]
1269                                         [idx + 1];
1270                         rtlpriv->link_info.tidtx_in4period[tid][3] =
1271                                 rtlpriv->link_info.tidtx_inperiod[tid];
1272
1273                         for (idx = 0; idx <= 3; idx++)
1274                                 tidtx_inp4eriod[tid] +=
1275                                    rtlpriv->link_info.tidtx_in4period[tid][idx];
1276                         aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
1277                         if (aver_tidtx_inperiod[tid] > 5000)
1278                                 rtlpriv->link_info.higher_busytxtraffic[tid] =
1279                                                                         true;
1280                         else
1281                                 rtlpriv->link_info.higher_busytxtraffic[tid] =
1282                                                                         false;
1283                 }
1284
1285                 if (((rtlpriv->link_info.num_rx_inperiod +
1286                       rtlpriv->link_info.num_tx_inperiod) > 8) ||
1287                     (rtlpriv->link_info.num_rx_inperiod > 2))
1288                         benter_ps = false;
1289                 else
1290                         benter_ps = true;
1291
1292                 /* LeisurePS only work in infra mode. */
1293                 if (benter_ps)
1294                         rtl_lps_enter(hw);
1295                 else
1296                         rtl_lps_leave(hw);
1297         }
1298
1299         rtlpriv->link_info.num_rx_inperiod = 0;
1300         rtlpriv->link_info.num_tx_inperiod = 0;
1301         for (tid = 0; tid <= 7; tid++)
1302                 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
1303
1304         rtlpriv->link_info.b_busytraffic = b_busytraffic;
1305         rtlpriv->link_info.b_rx_busy_traffic = b_rx_busy_traffic;
1306         rtlpriv->link_info.b_tx_busy_traffic = b_tx_busy_traffic;
1307         rtlpriv->link_info.b_higher_busytraffic = b_higher_busytraffic;
1308         rtlpriv->link_info.b_higher_busyrxtraffic = b_higher_busyrxtraffic;
1309
1310         /* <3> DM */
1311         rtlpriv->cfg->ops->dm_watchdog(hw);
1312
1313         /* <4> roaming */
1314         if (mac->link_state == MAC80211_LINKED &&
1315                         mac->opmode == NL80211_IFTYPE_STATION) {
1316                 if ((rtlpriv->link_info.bcn_rx_inperiod +
1317                         rtlpriv->link_info.num_rx_inperiod) == 0) {
1318                         rtlpriv->link_info.roam_times++;
1319                         RT_TRACE(COMP_ERR, DBG_DMESG, ("AP off for %d s\n",
1320                                 (rtlpriv->link_info.roam_times * 2)));
1321
1322                         /* if we can't recv beacon for 10s,
1323                          * we should reconnect this AP */
1324                         if (rtlpriv->link_info.roam_times >= 5) {
1325                                 RT_TRACE(COMP_ERR, DBG_EMERG,
1326                                          ("AP off, try to reconnect now\n"));
1327                                 rtlpriv->link_info.roam_times = 0;
1328                                 ieee80211_connection_loss(rtlpriv->mac80211.vif);
1329                         }
1330                 } else {
1331                         rtlpriv->link_info.roam_times = 0;
1332                 }
1333         }
1334         rtlpriv->link_info.bcn_rx_inperiod = 0;
1335 }
1336
1337 void rtl_watch_dog_timer_callback(unsigned long data)
1338 {
1339         struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1340         struct rtl_priv *rtlpriv = rtl_priv(hw);
1341
1342         queue_delayed_work(rtlpriv->works.rtl_wq,
1343                            &rtlpriv->works.watchdog_wq, 0);
1344
1345         mod_timer(&rtlpriv->works.watchdog_timer,
1346                   jiffies + MSECS(RTL_WATCH_DOG_TIME));
1347 }
1348 void rtl_fwevt_wq_callback(void *data)
1349 {
1350         struct rtl_works *rtlworks =
1351                 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
1352         struct ieee80211_hw *hw = rtlworks->hw;
1353         struct rtl_priv *rtlpriv = rtl_priv(hw);
1354
1355         rtlpriv->cfg->ops->c2h_command_handle(hw);
1356 }
1357 void rtl_easy_concurrent_retrytimer_callback(unsigned long data)
1358 {
1359         struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1360         struct rtl_priv *rtlpriv = rtl_priv(hw);
1361         struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
1362
1363         if (buddy_priv == NULL)
1364                 return;
1365
1366         rtlpriv->cfg->ops->dualmac_easy_concurrent(hw);
1367 }
1368 /*********************************************************
1369  *
1370  * frame process functions
1371  *
1372  *********************************************************/
1373 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
1374 {
1375         struct ieee80211_mgmt *mgmt = (void *)data;
1376         u8 *pos, *end;
1377
1378         pos = (u8 *)mgmt->u.beacon.variable;
1379         end = data + len;
1380         while (pos < end) {
1381                 if (pos + 2 + pos[1] > end)
1382                         return NULL;
1383
1384                 if (pos[0] == ie)
1385                         return pos;
1386
1387                 pos += 2 + pos[1];
1388         }
1389         return NULL;
1390 }
1391
1392 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
1393 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
1394 struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
1395                                      enum ieee80211_smps_mode smps,
1396                                      u8 *da, u8 *bssid)
1397 {
1398         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1399         struct sk_buff *skb;
1400         struct ieee80211_mgmt_compat *action_frame;
1401
1402         /* 27 = header + category + action + smps mode */
1403         skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
1404         if (!skb)
1405                 return NULL;
1406
1407         skb_reserve(skb, hw->extra_tx_headroom);
1408         action_frame = (void *)skb_put(skb, 27);
1409         memset(action_frame, 0, 27);
1410         memcpy(action_frame->da, da, ETH_ALEN);
1411         memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
1412         memcpy(action_frame->bssid, bssid, ETH_ALEN);
1413         action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1414                                                   IEEE80211_STYPE_ACTION);
1415         action_frame->u.action.category = WLAN_CATEGORY_HT;
1416         action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
1417         switch (smps) {
1418         case IEEE80211_SMPS_AUTOMATIC:/* 0 */
1419         case IEEE80211_SMPS_NUM_MODES:/* 4 */
1420                 WARN_ON(1);
1421         case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
1422                 action_frame->u.action.u.ht_smps.smps_control =
1423                                 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
1424                 break;
1425         case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
1426                 action_frame->u.action.u.ht_smps.smps_control =
1427                                 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
1428                 break;
1429         case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
1430                 action_frame->u.action.u.ht_smps.smps_control =
1431                                 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
1432                 break;
1433         }
1434
1435         return skb;
1436 }
1437
1438 int rtl_send_smps_action(struct ieee80211_hw *hw,
1439                          struct ieee80211_sta *sta,
1440                          enum ieee80211_smps_mode smps)
1441 {
1442         struct rtl_priv *rtlpriv = rtl_priv(hw);
1443         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1444         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1445         struct sk_buff *skb = NULL;
1446         struct rtl_tcb_desc tcb_desc;
1447         u8 bssid[ETH_ALEN] = {0};
1448
1449         memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1450
1451         if (rtlpriv->mac80211.act_scanning)
1452                 goto err_free;
1453
1454         if (!sta)
1455                 goto err_free;
1456
1457         if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
1458                 goto err_free;
1459
1460         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1461                 goto err_free;
1462
1463         if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
1464                 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
1465         else
1466                 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
1467
1468         skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
1469         /* this is a type = mgmt * stype = action frame */
1470         if (skb) {
1471                 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1472                 struct rtl_sta_info *sta_entry =
1473                         (struct rtl_sta_info *) sta->drv_priv;
1474                 sta_entry->mimo_ps = smps;
1475                 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); */
1476
1477                 info->control.rates[0].idx = 0;
1478 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
1479                 info->band = hw->conf.chandef.chan->band;
1480 #else
1481                 info->band = hw->conf.channel->band;
1482 #endif
1483 /*<delete in kernel start>*/
1484 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 0))
1485                 info->control.sta = sta;
1486                 rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
1487 #else
1488 /*<delete in kernel end>*/
1489                 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
1490 /*<delete in kernel start>*/
1491 #endif
1492 /*<delete in kernel end>*/
1493         }
1494         return 1;
1495
1496 err_free:
1497         return 0;
1498 }
1499 /* EXPORT_SYMBOL(rtl_send_smps_action); */
1500
1501 /* because mac80211 have issues when can receive del ba
1502  * so here we just make a fake del_ba if we receive a ba_req
1503  * but rx_agg was opened to let mac80211 release some ba
1504  * related resources, so please this del_ba for tx */
1505 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
1506                                 u8 *sa, u8 *bssid, u16 tid)
1507 {
1508         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1509         struct sk_buff *skb;
1510         struct ieee80211_mgmt *action_frame;
1511         u16 params;
1512
1513         /* 27 = header + category + action + smps mode */
1514         skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
1515         if (!skb)
1516                 return NULL;
1517
1518         skb_reserve(skb, hw->extra_tx_headroom);
1519         action_frame = (void *)skb_put(skb, 34);
1520         memset(action_frame, 0, 34);
1521         memcpy(action_frame->sa, sa, ETH_ALEN);
1522         memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
1523         memcpy(action_frame->bssid, bssid, ETH_ALEN);
1524         action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1525                                                   IEEE80211_STYPE_ACTION);
1526         action_frame->u.action.category = WLAN_CATEGORY_BACK;
1527         action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
1528         params = (u16)(1 << 11);        /* bit 11 initiator */
1529         params |= (u16)(tid << 12);     /* bit 15:12 TID number */
1530
1531         action_frame->u.action.u.delba.params = cpu_to_le16(params);
1532         action_frame->u.action.u.delba.reason_code =
1533                 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
1534
1535         return skb;
1536 }
1537
1538 /*********************************************************
1539  *
1540  * IOT functions
1541  *
1542  *********************************************************/
1543 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
1544                                   struct octet_string vendor_ie)
1545 {
1546         struct rtl_priv *rtlpriv = rtl_priv(hw);
1547         bool matched = false;
1548         static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
1549         static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
1550         static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
1551         static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
1552         static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
1553         static u8 racap[] = { 0x00, 0x0c, 0x43 };
1554         static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
1555         static u8 marvcap[] = { 0x00, 0x50, 0x43 };
1556
1557         if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
1558                 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
1559                 rtlpriv->mac80211.vendor = PEER_ATH;
1560                 matched = true;
1561         } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
1562                 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
1563                 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
1564                 rtlpriv->mac80211.vendor = PEER_BROAD;
1565                 matched = true;
1566         } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
1567                 rtlpriv->mac80211.vendor = PEER_RAL;
1568                 matched = true;
1569         } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
1570                 rtlpriv->mac80211.vendor = PEER_CISCO;
1571                 matched = true;
1572         } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
1573                 rtlpriv->mac80211.vendor = PEER_MARV;
1574                 matched = true;
1575         }
1576
1577         return matched;
1578 }
1579
1580 bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
1581                 unsigned int len)
1582 {
1583         struct ieee80211_mgmt *mgmt = (void *)data;
1584         struct octet_string vendor_ie;
1585         u8 *pos, *end;
1586
1587         pos = (u8 *)mgmt->u.beacon.variable;
1588         end = data + len;
1589         while (pos < end) {
1590                 if (pos[0] == 221) {
1591                         vendor_ie.length = pos[1];
1592                         vendor_ie.octet = &pos[2];
1593                         if (rtl_chk_vendor_ouisub(hw, vendor_ie))
1594                                 return true;
1595                 }
1596
1597                 if (pos + 2 + pos[1] > end)
1598                         return false;
1599
1600                 pos += 2 + pos[1];
1601         }
1602         return false;
1603 }
1604
1605 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
1606 {
1607         struct rtl_priv *rtlpriv = rtl_priv(hw);
1608         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1609         struct ieee80211_hdr *hdr = (void *)data;
1610         u32 vendor = PEER_UNKNOWN;
1611
1612         static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
1613         static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
1614         static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
1615         static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
1616         static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
1617         static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
1618         static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
1619         static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
1620         static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
1621         static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
1622         static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
1623         static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
1624         static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
1625         static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
1626         static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
1627         static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
1628
1629         if (mac->opmode != NL80211_IFTYPE_STATION)
1630                 return;
1631
1632         if (mac->link_state == MAC80211_NOLINK) {
1633                 mac->vendor = PEER_UNKNOWN;
1634                 return;
1635         }
1636
1637         if (mac->cnt_after_linked > 2)
1638                 return;
1639
1640         /* check if this really is a beacon */
1641         if (!ieee80211_is_beacon(hdr->frame_control))
1642                 return;
1643
1644         /* min. beacon length + FCS_LEN */
1645         if (len <= 40 + FCS_LEN)
1646                 return;
1647
1648         /* and only beacons from the associated BSSID, please */
1649         if (ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1650                 return;
1651
1652         if (rtl_find_221_ie(hw, data, len))
1653                 vendor = mac->vendor;
1654
1655         if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
1656                 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
1657                 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
1658                 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
1659                 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
1660                 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
1661                 vendor == PEER_ATH) {
1662                 vendor = PEER_ATH;
1663                 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>ath find\n"));
1664         } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
1665                 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
1666                 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
1667                 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
1668                 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
1669                 vendor == PEER_RAL) {
1670                 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>ral find\n"));
1671                 vendor = PEER_RAL;
1672         } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
1673                 vendor == PEER_CISCO) {
1674                 vendor = PEER_CISCO;
1675                 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>cisco find\n"));
1676         } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
1677                 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
1678                 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
1679                 vendor == PEER_BROAD) {
1680                 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>broad find\n"));
1681                 vendor = PEER_BROAD;
1682         } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
1683                 vendor == PEER_MARV) {
1684                 vendor = PEER_MARV;
1685                 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>marv find\n"));
1686         }
1687
1688         mac->vendor = vendor;
1689 }
1690
1691 /*********************************************************
1692  *
1693  * sysfs functions
1694  *
1695  *********************************************************/
1696 static ssize_t rtl_show_debug_level(struct device *d,
1697                                     struct device_attribute *attr, char *buf)
1698 {
1699         struct ieee80211_hw *hw = dev_get_drvdata(d);
1700         struct rtl_priv *rtlpriv = rtl_priv(hw);
1701
1702         return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel);
1703 }
1704
1705 static ssize_t rtl_store_debug_level(struct device *d,
1706                                      struct device_attribute *attr,
1707                                      const char *buf, size_t count)
1708 {
1709         struct ieee80211_hw *hw = dev_get_drvdata(d);
1710         struct rtl_priv *rtlpriv = rtl_priv(hw);
1711         unsigned long val;
1712         int ret;
1713
1714         ret = kstrtoul(buf, 0, &val);
1715         if (ret) {
1716                 printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf);
1717         } else {
1718                 rtlpriv->dbg.global_debuglevel = val;
1719                 printk(KERN_DEBUG "debuglevel:%x\n",
1720                         rtlpriv->dbg.global_debuglevel);
1721         }
1722
1723         return strnlen(buf, count);
1724 }
1725
1726 static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO,
1727                    rtl_show_debug_level, rtl_store_debug_level);
1728
1729 static struct attribute *rtl_sysfs_entries[] = {
1730
1731         &dev_attr_debug_level.attr,
1732
1733         NULL
1734 };
1735
1736 /*
1737  * "name" is folder name witch will be
1738  * put in device directory like :
1739  * sys/devices/pci0000:00/0000:00:1c.4/
1740  * 0000:06:00.0/rtl_sysfs
1741  */
1742 struct attribute_group rtl_attribute_group = {
1743         .name = "rtlsysfs",
1744         .attrs = rtl_sysfs_entries,
1745 };
1746
1747 #ifdef VIF_TODO
1748 /*********************************************************
1749  *
1750  * vif functions
1751  *
1752  *********************************************************/
1753 static inline struct ieee80211_vif *
1754 rtl_get_vif(struct rtl_vif_info *vif_priv)
1755 {
1756         return container_of((void *)vif_priv, struct ieee80211_vif, drv_priv);
1757 }
1758
1759 /* Protected by ar->mutex or RCU */
1760 struct ieee80211_vif *rtl_get_main_vif(struct ieee80211_hw *hw)
1761 {
1762         struct rtl_priv *rtlpriv = rtl_priv(hw);
1763         struct rtl_vif_info *cvif;
1764
1765         list_for_each_entry_rcu(cvif, &rtlpriv->vif_priv.vif_list, list) {
1766                 if (cvif->active)
1767                         return rtl_get_vif(cvif);
1768         }
1769
1770         return NULL;
1771 }
1772
1773 static inline bool is_main_vif(struct ieee80211_hw *hw,
1774                                struct ieee80211_vif *vif)
1775 {
1776         bool ret;
1777
1778         rcu_read_lock();
1779         ret = (rtl_get_main_vif(hw) == vif);
1780         rcu_read_unlock();
1781         return ret;
1782 }
1783
1784 bool rtl_set_vif_info(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1785 {
1786         struct rtl_vif_info *vif_info = (void *) vif->drv_priv;
1787         struct rtl_priv *rtlpriv = rtl_priv(hw);
1788         int vif_id = -1;
1789
1790         if (rtlpriv->vif_priv.vifs >= MAX_VIRTUAL_MAC) {
1791                 RT_TRACE(COMP_ERR, DBG_WARNING,
1792                          ("vif number can not bigger than %d, now vifs is:%d\n",
1793                           MAX_VIRTUAL_MAC, rtlpriv->vif_priv.vifs));
1794                 return false;
1795         }
1796
1797         rcu_read_lock();
1798         vif_id = bitmap_find_free_region(&rtlpriv->vif_priv.vif_bitmap,
1799                                          MAX_VIRTUAL_MAC, 0);
1800         RT_TRACE(COMP_MAC80211, DBG_DMESG,
1801                  ("%s vid_id:%d\n", __func__, vif_id));
1802
1803         if (vif_id < 0) {
1804                 rcu_read_unlock();
1805                 return false;
1806         }
1807
1808         BUG_ON(rtlpriv->vif_priv.vif[vif_id].id != vif_id);
1809         vif_info->active = true;
1810         vif_info->id = vif_id;
1811         vif_info->enable_beacon = false;
1812         rtlpriv->vif_priv.vifs++;
1813         if (rtlpriv->vif_priv.vifs > 1) {
1814                 rtlpriv->psc.b_inactiveps = false;
1815                 rtlpriv->psc.b_swctrl_lps = false;
1816                 rtlpriv->psc.b_fwctrl_lps = false;
1817         }
1818
1819         list_add_tail_rcu(&vif_info->list, &rtlpriv->vif_priv.vif_list);
1820         rcu_assign_pointer(rtlpriv->vif_priv.vif[vif_id].vif, vif);
1821
1822         RT_TRACE(COMP_MAC80211, DBG_DMESG, ("vifaddress:%p %p %p\n",
1823                  rtlpriv->vif_priv.vif[vif_id].vif, vif, rtl_get_main_vif(hw)));
1824
1825         rcu_read_unlock();
1826
1827         return true;
1828 }
1829 #endif
1830
1831
1832 #if 0
1833 MODULE_AUTHOR("lizhaoming       <chaoming_li@realsil.com.cn>");
1834 MODULE_AUTHOR("Realtek WlanFAE  <wlanfae@realtek.com>");
1835 MODULE_AUTHOR("Larry Finger     <Larry.FInger@lwfinger.net>");
1836 MODULE_LICENSE("GPL");
1837 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
1838 #endif
1839 struct rtl_global_var global_var = {};
1840
1841 int rtl_core_module_init(void)
1842 {
1843         if (rtl_rate_control_register())
1844                 printk(KERN_DEBUG "rtl: Unable to register rtl_rc, use default RC !!\n");
1845
1846         /* add proc for debug */
1847         rtl_proc_add_topdir();
1848
1849         /* init some global vars */
1850         INIT_LIST_HEAD(&global_var.glb_priv_list);
1851         spin_lock_init(&global_var.glb_list_lock);
1852
1853         return 0;
1854 }
1855
1856 void rtl_core_module_exit(void)
1857 {
1858         /*RC*/
1859         rtl_rate_control_unregister();
1860
1861         /* add proc for debug */
1862         rtl_proc_remove_topdir();
1863 }
1864
1865 #if 0
1866 module_init(rtl_core_module_init);
1867 module_exit(rtl_core_module_exit);
1868 #endif