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 hsould
  43  *keep it clear under follwing roles:
  44  *
  45  *This file include follwing 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->channel_change_time = 100;
 373         hw->max_listen_interval = 10;
 374         hw->max_rate_tries = 4;
 375         /* hw->max_rates = 1; */
 376         hw->sta_data_size = sizeof(struct rtl_sta_info);
 377 #ifdef VIF_TODO
 378         hw->vif_data_size = sizeof(struct rtl_vif_info);
 379 #endif
 380
 381         /* <6> mac address */
 382         if (is_valid_ether_addr(rtlefuse->dev_addr)) {
 383                 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
 384         } else {
 385                 u8 rtlmac[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
 386                 get_random_bytes((rtlmac + (ETH_ALEN - 1)), 1);
 387                 SET_IEEE80211_PERM_ADDR(hw, rtlmac);
 388         }
 389
 390 }
 391
 392 static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
 393 {
 394         struct rtl_priv *rtlpriv = rtl_priv(hw);
 395
 396         /* <1> timer */
 397         init_timer(&rtlpriv->works.watchdog_timer);
 398         setup_timer(&rtlpriv->works.watchdog_timer,
 399                     rtl_watch_dog_timer_callback, (unsigned long)hw);
 400         init_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer);
 401         setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
 402                     rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw);
 403         /* <2> work queue */
 404         rtlpriv->works.hw = hw;
 405 /*<delete in kernel start>*/
 406 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 407 /*<delete in kernel end>*/
 408         rtlpriv->works.rtl_wq = alloc_workqueue(rtlpriv->cfg->name, 0, 0);
 409 /*<delete in kernel start>*/
 410 #else
 411         rtlpriv->works.rtl_wq = create_workqueue(rtlpriv->cfg->name);
 412 #endif
 413 /*<delete in kernel end>*/
 414         INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
 415                           (void *)rtl_watchdog_wq_callback);
 416         INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
 417                           (void *)rtl_ips_nic_off_wq_callback);
 418         INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
 419                           (void *)rtl_swlps_wq_callback);
 420         INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
 421                           (void *)rtl_swlps_rfon_wq_callback);
 422         INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq,
 423                           (void *)rtl_fwevt_wq_callback);
 424
 425 }
 426
 427 void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
 428 {
 429         struct rtl_priv *rtlpriv = rtl_priv(hw);
 430
 431         del_timer_sync(&rtlpriv->works.watchdog_timer);
 432
 433         cancel_delayed_work(&rtlpriv->works.watchdog_wq);
 434         cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
 435         cancel_delayed_work(&rtlpriv->works.ps_work);
 436         cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 437         cancel_delayed_work(&rtlpriv->works.fwevt_wq);
 438 }
 439
 440 void rtl_init_rfkill(struct ieee80211_hw *hw)
 441 {
 442         struct rtl_priv *rtlpriv = rtl_priv(hw);
 443
 444         bool radio_state;
 445         bool blocked;
 446         u8 valid = 0;
 447
 448         /*set init state to on */
 449         rtlpriv->rfkill.rfkill_state = 1;
 450         wiphy_rfkill_set_hw_state(hw->wiphy, 0);
 451
 452         radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
 453
 454         if (valid) {
 455                 printk(KERN_INFO "rtlwifi: wireless switch is %s\n",
 456                        rtlpriv->rfkill.rfkill_state ? "on" : "off");
 457
 458                 rtlpriv->rfkill.rfkill_state = radio_state;
 459
 460                 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
 461                 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
 462         }
 463
 464         wiphy_rfkill_start_polling(hw->wiphy);
 465 }
 466
 467 void rtl_deinit_rfkill(struct ieee80211_hw *hw)
 468 {
 469         wiphy_rfkill_stop_polling(hw->wiphy);
 470 }
 471
 472 #ifdef VIF_TODO
 473 static void rtl_init_vif(struct ieee80211_hw *hw)
 474 {
 475         struct rtl_priv *rtlpriv = rtl_priv(hw);
 476
 477         INIT_LIST_HEAD(&rtlpriv->vif_priv.vif_list);
 478
 479         rtlpriv->vif_priv.vifs = 0;
 480 }
 481 #endif
 482
 483 int rtl_init_core(struct ieee80211_hw *hw)
 484 {
 485         struct rtl_priv *rtlpriv = rtl_priv(hw);
 486         struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
 487
 488         /* <1> init mac80211 */
 489         _rtl_init_mac80211(hw);
 490         rtlmac->hw = hw;
 491         rtlmac->link_state = MAC80211_NOLINK;
 492
 493         /* <2> rate control register */
 494         hw->rate_control_algorithm = "rtl_rc";
 495
 496         /*
 497          * <3> init CRDA must come after init
 498          * mac80211 hw  in _rtl_init_mac80211.
 499          */
 500         if (rtl_regd_init(hw, rtl_reg_notifier)) {
 501                 RT_TRACE(COMP_ERR, DBG_EMERG, ("REGD init failed\n"));
 502                 return 1;
 503         }
 504
 505         /* <4> locks */
 506         mutex_init(&rtlpriv->locks.conf_mutex);
 507         spin_lock_init(&rtlpriv->locks.ips_lock);
 508         spin_lock_init(&rtlpriv->locks.irq_th_lock);
 509         spin_lock_init(&rtlpriv->locks.h2c_lock);
 510         spin_lock_init(&rtlpriv->locks.rf_ps_lock);
 511         spin_lock_init(&rtlpriv->locks.rf_lock);
 512         spin_lock_init(&rtlpriv->locks.lps_lock);
 513         spin_lock_init(&rtlpriv->locks.waitq_lock);
 514         spin_lock_init(&rtlpriv->locks.entry_list_lock);
 515         spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
 516         spin_lock_init(&rtlpriv->locks.check_sendpkt_lock);
 517         spin_lock_init(&rtlpriv->locks.fw_ps_lock);
 518         spin_lock_init(&rtlpriv->locks.iqk_lock);
 519         /* <5> init list */
 520         INIT_LIST_HEAD(&rtlpriv->entry_list);
 521
 522         /* <6> init deferred work */
 523         _rtl_init_deferred_work(hw);
 524
 525         /* <7> */
 526 #ifdef VIF_TODO
 527         rtl_init_vif(hw);
 528 #endif
 529
 530         return 0;
 531 }
 532
 533 void rtl_deinit_core(struct ieee80211_hw *hw)
 534 {
 535 }
 536
 537 void rtl_init_rx_config(struct ieee80211_hw *hw)
 538 {
 539         struct rtl_priv *rtlpriv = rtl_priv(hw);
 540         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 541
 542         rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
 543 }
 544
 545 /*********************************************************
 546  *
 547  * tx information functions
 548  *
 549  *********************************************************/
 550 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
 551                                           struct rtl_tcb_desc *tcb_desc,
 552                                           struct ieee80211_tx_info *info)
 553 {
 554         struct rtl_priv *rtlpriv = rtl_priv(hw);
 555         u8 rate_flag = info->control.rates[0].flags;
 556
 557         tcb_desc->use_shortpreamble = false;
 558
 559         /* 1M can only use Long Preamble. 11B spec */
 560         if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
 561                 return;
 562         else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
 563                 tcb_desc->use_shortpreamble = true;
 564
 565         return;
 566 }
 567
 568 static void _rtl_query_shortgi(struct ieee80211_hw *hw,
 569                                struct ieee80211_sta *sta,
 570                                struct rtl_tcb_desc *tcb_desc,
 571                                struct ieee80211_tx_info *info)
 572 {
 573         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 574         u8 rate_flag = info->control.rates[0].flags;
 575         u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
 576         tcb_desc->use_shortgi = false;
 577
 578         if (sta == NULL)
 579                 return;
 580
 581         sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
 582         sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
 583
 584         if (!(sta->ht_cap.ht_supported))
 585                 return;
 586
 587         if (!sgi_40 && !sgi_20)
 588                 return;
 589
 590         if (mac->opmode == NL80211_IFTYPE_STATION)
 591                 bw_40 = mac->bw_40;
 592         else if (mac->opmode == NL80211_IFTYPE_AP ||
 593                  mac->opmode == NL80211_IFTYPE_ADHOC ||
 594                  mac->opmode == NL80211_IFTYPE_MESH_POINT)
 595                 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 596
 597         if ((bw_40 == true) && sgi_40)
 598                 tcb_desc->use_shortgi = true;
 599         else if ((bw_40 == false) && sgi_20)
 600                 tcb_desc->use_shortgi = true;
 601
 602         if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
 603                 tcb_desc->use_shortgi = false;
 604 }
 605
 606 static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
 607                                        struct rtl_tcb_desc *tcb_desc,
 608                                        struct ieee80211_tx_info *info)
 609 {
 610         struct rtl_priv *rtlpriv = rtl_priv(hw);
 611         u8 rate_flag = info->control.rates[0].flags;
 612
 613         /* Common Settings */
 614         tcb_desc->b_rts_stbc = false;
 615         tcb_desc->b_cts_enable = false;
 616         tcb_desc->rts_sc = 0;
 617         tcb_desc->b_rts_bw = false;
 618         tcb_desc->b_rts_use_shortpreamble = false;
 619         tcb_desc->b_rts_use_shortgi = false;
 620
 621         if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
 622                 /* Use CTS-to-SELF in protection mode. */
 623                 tcb_desc->b_rts_enable = true;
 624                 tcb_desc->b_cts_enable = true;
 625                 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
 626         } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
 627                 /* Use RTS-CTS in protection mode. */
 628                 tcb_desc->b_rts_enable = true;
 629                 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
 630         }
 631 }
 632
 633 static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
 634                                    struct ieee80211_sta *sta,
 635                                    struct rtl_tcb_desc *tcb_desc)
 636 {
 637         struct rtl_priv *rtlpriv = rtl_priv(hw);
 638         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 639         struct rtl_sta_info *sta_entry = NULL;
 640         u8 ratr_index = 7;
 641
 642         if (sta) {
 643                 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
 644                 ratr_index = sta_entry->ratr_index;
 645         }
 646         if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
 647                 if (mac->opmode == NL80211_IFTYPE_STATION) {
 648                         tcb_desc->ratr_index = 0;
 649                 } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
 650                                 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
 651                         if (tcb_desc->b_multicast || tcb_desc->b_broadcast) {
 652                                 tcb_desc->hw_rate =
 653                                     rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
 654                                 tcb_desc->use_driver_rate = 1;
 655                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
 656                         } else {
 657                                 tcb_desc->ratr_index = ratr_index;
 658                         }
 659                 } else if (mac->opmode == NL80211_IFTYPE_AP) {
 660                         tcb_desc->ratr_index = ratr_index;
 661                 }
 662         }
 663
 664         if (rtlpriv->dm.b_useramask) {
 665                 tcb_desc->ratr_index = ratr_index;
 666                 /* TODO we will differentiate adhoc and station futrue  */
 667                 if (mac->opmode == NL80211_IFTYPE_STATION ||
 668                         mac->opmode == NL80211_IFTYPE_MESH_POINT) {
 669                         tcb_desc->mac_id = 0;
 670
 671                         if (mac->mode == WIRELESS_MODE_N_24G) {
 672                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB;
 673                         } else if (mac->mode == WIRELESS_MODE_N_5G) {
 674                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_NG;
 675                         } else if (mac->mode & WIRELESS_MODE_G) {
 676                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_GB;
 677                         } else if (mac->mode & WIRELESS_MODE_B) {
 678                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_B;
 679                         } else if (mac->mode & WIRELESS_MODE_A) {
 680                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_G;
 681                         }
 682                 } else if (mac->opmode == NL80211_IFTYPE_AP ||
 683                         mac->opmode == NL80211_IFTYPE_ADHOC) {
 684                         if (NULL != sta) {
 685                                 if (sta->aid > 0) {
 686                                         tcb_desc->mac_id = sta->aid + 1;
 687                                 } else {
 688                                         tcb_desc->mac_id = 1;
 689                                 }
 690                         } else {
 691                                 tcb_desc->mac_id = 0;
 692                         }
 693                 }
 694         }
 695 }
 696
 697 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
 698                                       struct ieee80211_sta *sta,
 699                                       struct rtl_tcb_desc *tcb_desc)
 700 {
 701         struct rtl_priv *rtlpriv = rtl_priv(hw);
 702         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 703
 704         tcb_desc->b_packet_bw = false;
 705         if (!sta)
 706                 return;
 707         if (mac->opmode == NL80211_IFTYPE_AP ||
 708                 mac->opmode == NL80211_IFTYPE_ADHOC ||
 709                 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
 710                 if (!(sta->ht_cap.ht_supported) ||
 711                         !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
 712                         return;
 713         } else if (mac->opmode == NL80211_IFTYPE_STATION) {
 714                 if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
 715                 return;
 716         }
 717         if (tcb_desc->b_multicast || tcb_desc->b_broadcast)
 718                 return;
 719
 720         /*use legency rate, shall use 20MHz */
 721         if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
 722                 return;
 723
 724         tcb_desc->b_packet_bw = true;
 725 }
 726
 727 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
 728                                   struct ieee80211_sta *sta)
 729 {
 730         struct rtl_priv *rtlpriv = rtl_priv(hw);
 731         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 732         u8 hw_rate;
 733
 734         if ((get_rf_type(rtlphy) == RF_2T2R) && (sta->ht_cap.mcs.rx_mask[1]!=0))
 735                 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
 736         else
 737                 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
 738
 739         return hw_rate;
 740 }
 741
 742 void rtl_get_tcb_desc(struct ieee80211_hw *hw,
 743                       struct ieee80211_tx_info *info,
 744                       struct ieee80211_sta *sta,
 745                       struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
 746 {
 747         struct rtl_priv *rtlpriv = rtl_priv(hw);
 748         struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
 749         struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
 750         struct ieee80211_rate *txrate;
 751         u16 fc = rtl_get_fc(skb);
 752
 753         txrate = ieee80211_get_tx_rate(hw, info);
 754         if (txrate != NULL)
 755                 tcb_desc->hw_rate = txrate->hw_value;
 756
 757         if (ieee80211_is_data(fc)) {
 758                 /*
 759                  *we set data rate INX 0
 760                  *in rtl_rc.c   if skb is special data or
 761                  *mgt which need low data rate.
 762                  */
 763
 764                 /*
 765                  *So tcb_desc->hw_rate is just used for
 766                  *special data and mgt frames
 767                  */
 768                 if (info->control.rates[0].idx == 0 ||
 769                                 ieee80211_is_nullfunc(fc)) {
 770                         tcb_desc->use_driver_rate = true;
 771                         tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
 772
 773                         tcb_desc->disable_ratefallback = 1;
 774                 } else {
 775                         /*
 776                          *because hw will nerver use hw_rate
 777                          *when tcb_desc->use_driver_rate = false
 778                          *so we never set highest N rate here,
 779                          *and N rate will all be controled by FW
 780                          *when tcb_desc->use_driver_rate = false
 781                          */
 782                         if (sta && (sta->ht_cap.ht_supported)) {
 783                                 tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw, sta);
 784                         } else {
 785                                 if(rtlmac->mode == WIRELESS_MODE_B) {
 786                                         tcb_desc->hw_rate =
 787                                             rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
 788                                 } else {
 789                                         tcb_desc->hw_rate =
 790                                             rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
 791                                 }
 792                         }
 793                 }
 794
 795                 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)))
 796                         tcb_desc->b_multicast = 1;
 797                 else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
 798                         tcb_desc->b_broadcast = 1;
 799
 800                 _rtl_txrate_selectmode(hw, sta, tcb_desc);
 801                 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
 802                 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
 803                 _rtl_query_shortgi(hw, sta, tcb_desc, info);
 804                 _rtl_query_protection_mode(hw, tcb_desc, info);
 805         } else {
 806                 tcb_desc->use_driver_rate = true;
 807                 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
 808                 tcb_desc->disable_ratefallback = 1;
 809                 tcb_desc->mac_id = 0;
 810                 tcb_desc->b_packet_bw = false;
 811         }
 812 }
 813 //EXPORT_SYMBOL(rtl_get_tcb_desc);
 814
 815 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
 816 {
 817         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 818         struct rtl_priv *rtlpriv = rtl_priv(hw);
 819         u16 fc = rtl_get_fc(skb);
 820
 821         if (rtlpriv->dm.supp_phymode_switch &&
 822                 mac->link_state < MAC80211_LINKED &&
 823                 (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
 824                 if (rtlpriv->cfg->ops->check_switch_to_dmdp)
 825                         rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
 826         }
 827         if (ieee80211_is_auth(fc)) {
 828                 RT_TRACE(COMP_SEND, DBG_DMESG, ("MAC80211_LINKING\n"));
 829                 rtl_ips_nic_on(hw);
 830
 831                 mac->link_state = MAC80211_LINKING;
 832                 /* Dul mac */
 833                 rtlpriv->phy.b_need_iqk = true;
 834
 835         }
 836
 837         return true;
 838 }
 839
 840 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
 841                                 u8 *bssid, u16 tid);
 842 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
 843 {
 844         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 845         struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
 846         struct rtl_priv *rtlpriv = rtl_priv(hw);
 847         u16 fc = rtl_get_fc(skb);
 848         u8 *act = (u8 *) (((u8 *) skb->data + MAC80211_3ADDR_LEN));
 849         u8 category;
 850
 851         if (!ieee80211_is_action(fc))
 852                 return true;
 853
 854         category = *act;
 855         act++;
 856         switch (category) {
 857         case ACT_CAT_BA:
 858                 switch (*act) {
 859                 case ACT_ADDBAREQ:
 860                         if (mac->act_scanning)
 861                                 return false;
 862
 863                         RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
 864                                  ("%s ACT_ADDBAREQ From :%pM\n",
 865                                   is_tx ? "Tx" : "Rx", hdr->addr2));
 866                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, ("req \n"),
 867                         skb->data, skb->len);
 868                         if (!is_tx) {
 869                                 struct ieee80211_sta *sta = NULL;
 870                                 struct rtl_sta_info *sta_entry = NULL;
 871                                 struct ieee80211_mgmt *mgmt = (void *)skb->data;
 872                                 u16 capab = 0, tid = 0;
 873                                 struct rtl_tid_data *tid_data;
 874                                 struct sk_buff *skb_delba = NULL;
 875                                 struct ieee80211_rx_status rx_status = { 0 };
 876
 877                                 rcu_read_lock();
 878                                 sta = rtl_find_sta(hw, hdr->addr3);
 879                                 if (sta == NULL) {
 880                                         RT_TRACE((COMP_SEND | COMP_RECV),
 881                                                  DBG_EMERG, ("sta is NULL\n"));
 882                                         rcu_read_unlock();
 883                                         return true;
 884                                 }
 885
 886                                 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 887                                 if (!sta_entry) {
 888                                         rcu_read_unlock();
 889                                         return true;
 890                                 }
 891                                 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab);
 892                                 tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
 893                                 tid_data = &sta_entry->tids[tid];
 894                                 if (tid_data->agg.rx_agg_state ==
 895                                     RTL_RX_AGG_START) {
 896                                         skb_delba = rtl_make_del_ba(hw,
 897                                                                     hdr->addr2,
 898                                                                     hdr->addr3,
 899                                                                     tid);
 900                                         if (skb_delba) {
 901 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
 902                                                 rx_status.freq = hw->conf.chandef.chan->center_freq;
 903                                                 rx_status.band = hw->conf.chandef.chan->band;
 904 #else
 905                                                 rx_status.freq = hw->conf.channel->center_freq;
 906                                                 rx_status.band = hw->conf.channel->band;
 907 #endif
 908                                                 rx_status.flag |= RX_FLAG_DECRYPTED;
 909                                                 rx_status.flag |= RX_FLAG_MACTIME_MPDU;
 910                                                 rx_status.rate_idx = 0;
 911                                                 rx_status.signal = 50 + 10;
 912                                                 memcpy(IEEE80211_SKB_RXCB(skb_delba), &rx_status,
 913                                                                 sizeof(rx_status));
 914                                                 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
 915                                                                 ("fake del\n"), skb_delba->data,
 916                                                                 skb_delba->len);
 917                                                 ieee80211_rx_irqsafe(hw, skb_delba);
 918                                         }
 919                                 }
 920                                 rcu_read_unlock();
 921                         }
 922                         break;
 923                 case ACT_ADDBARSP:
 924                         RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
 925                                  ("%s ACT_ADDBARSP From :%pM\n",
 926                                   is_tx ? "Tx" : "Rx", hdr->addr2));
 927                         break;
 928                 case ACT_DELBA:
 929                         RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
 930                                  ("ACT_ADDBADEL From :%pM\n", hdr->addr2));
 931                         break;
 932                 }
 933                 break;
 934         default:
 935                 break;
 936         }
 937
 938         return true;
 939 }
 940
 941 /*should call before software enc*/
 942 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
 943 {
 944         struct rtl_priv *rtlpriv = rtl_priv(hw);
 945         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 946         u16 fc = rtl_get_fc(skb);
 947         u16 ether_type;
 948         u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
 949         const struct iphdr *ip;
 950
 951         if (!ieee80211_is_data(fc))
 952                 goto end;
 953
 954
 955         ip = (struct iphdr *)((u8 *) skb->data + mac_hdr_len +
 956                               SNAP_SIZE + PROTOC_TYPE_SIZE);
 957         ether_type = *(u16 *) ((u8 *) skb->data + mac_hdr_len + SNAP_SIZE);
 958         ether_type = ntohs(ether_type);
 959
 960         if (ETH_P_IP == ether_type) {
 961                 if (IPPROTO_UDP == ip->protocol) {
 962                         struct udphdr *udp = (struct udphdr *)((u8 *) ip +
 963                                                                (ip->ihl << 2));
 964                         if (((((u8 *) udp)[1] == 68) &&
 965                              (((u8 *) udp)[3] == 67)) ||
 966                             ((((u8 *) udp)[1] == 67) &&
 967                              (((u8 *) udp)[3] == 68))) {
 968                                 /*
 969                                  * 68 : UDP BOOTP client
 970                                  * 67 : UDP BOOTP server
 971                                  */
 972                                 RT_TRACE((COMP_SEND | COMP_RECV),
 973                                          DBG_DMESG, ("dhcp %s !!\n",
 974                                                      (is_tx) ? "Tx" : "Rx"));
 975
 976                                 if (is_tx) {
 977                                         rtlpriv->ra.is_special_data = true;
 978                                         rtl_lps_leave(hw);
 979                                         ppsc->last_delaylps_stamp_jiffies =
 980                                                                         jiffies;
 981                                 }
 982
 983                                 return true;
 984                         }
 985                 }
 986         } else if (ETH_P_ARP == ether_type) {
 987                 if (is_tx) {
 988                         rtlpriv->ra.is_special_data = true;
 989                         rtl_lps_leave(hw);
 990                         ppsc->last_delaylps_stamp_jiffies = jiffies;
 991                 }
 992
 993                 return true;
 994         } else if (ETH_P_PAE == ether_type) {
 995                 RT_TRACE((COMP_SEND | COMP_RECV), DBG_DMESG,
 996                          ("802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx"));
 997
 998                 if (is_tx) {
 999                         rtlpriv->ra.is_special_data = true;
1000                         rtl_lps_leave(hw);
1001                         ppsc->last_delaylps_stamp_jiffies = jiffies;
1002                 }
1003
1004                 return true;
1005         } else if (0x86DD == ether_type) {
1006                 return true;
1007         }
1008
1009 end:
1010         rtlpriv->ra.is_special_data = false;
1011         return false;
1012 }
1013
1014 /*********************************************************
1015  *
1016  * functions called by core.c
1017  *
1018  *********************************************************/
1019 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1020                      struct ieee80211_sta *sta, u16 tid, u16 *ssn)
1021 {
1022         struct rtl_priv *rtlpriv = rtl_priv(hw);
1023         struct rtl_tid_data *tid_data;
1024         struct rtl_sta_info *sta_entry = NULL;
1025
1026         if (sta == NULL)
1027                 return -EINVAL;
1028
1029         if (unlikely(tid >= MAX_TID_COUNT))
1030                 return -EINVAL;
1031
1032         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1033         if (!sta_entry)
1034                 return -ENXIO;
1035         tid_data = &sta_entry->tids[tid];
1036
1037         RT_TRACE(COMP_SEND, DBG_DMESG,
1038                  ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1039                   tid_data->seq_number));
1040
1041         *ssn = tid_data->seq_number;
1042         tid_data->agg.agg_state = RTL_AGG_START;
1043
1044         ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1045         return 0;
1046 }
1047
1048 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1049                     struct ieee80211_sta *sta, u16 tid)
1050 {
1051         struct rtl_priv *rtlpriv = rtl_priv(hw);
1052         struct rtl_tid_data *tid_data;
1053         struct rtl_sta_info *sta_entry = NULL;
1054
1055         if (sta == NULL)
1056                 return -EINVAL;
1057
1058         if (!sta->addr) {
1059                 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1060                 return -EINVAL;
1061         }
1062
1063         RT_TRACE(COMP_SEND, DBG_DMESG,
1064                  ("on ra = %pM tid = %d\n", sta->addr, tid));
1065
1066         if (unlikely(tid >= MAX_TID_COUNT))
1067                 return -EINVAL;
1068
1069         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1070         tid_data = &sta_entry->tids[tid];
1071         sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1072
1073         ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1074         return 0;
1075 }
1076
1077 int rtl_rx_agg_start(struct ieee80211_hw *hw,
1078                      struct ieee80211_sta *sta, u16 tid)
1079 {
1080         struct rtl_priv *rtlpriv = rtl_priv(hw);
1081         struct rtl_tid_data *tid_data;
1082         struct rtl_sta_info *sta_entry = NULL;
1083
1084         if (sta == NULL)
1085                 return -EINVAL;
1086
1087         if (unlikely(tid >= MAX_TID_COUNT))
1088                 return -EINVAL;
1089
1090         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1091         if (!sta_entry)
1092                 return -ENXIO;
1093         tid_data = &sta_entry->tids[tid];
1094
1095         RT_TRACE(COMP_RECV, DBG_DMESG,
1096                  ("on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1097                  tid_data->seq_number));
1098
1099         tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1100         return 0;
1101 }
1102
1103 int rtl_rx_agg_stop(struct ieee80211_hw *hw,
1104                 struct ieee80211_sta *sta, u16 tid)
1105 {
1106         struct rtl_priv *rtlpriv = rtl_priv(hw);
1107         struct rtl_tid_data *tid_data;
1108         struct rtl_sta_info *sta_entry = NULL;
1109
1110         if (sta == NULL)
1111                 return -EINVAL;
1112
1113         if (!sta->addr) {
1114                 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1115                 return -EINVAL;
1116         }
1117
1118         RT_TRACE(COMP_SEND, DBG_DMESG,
1119                  ("on ra = %pM tid = %d\n", sta->addr, tid));
1120
1121         if (unlikely(tid >= MAX_TID_COUNT))
1122                 return -EINVAL;
1123
1124         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1125         tid_data = &sta_entry->tids[tid];
1126         sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
1127
1128         return 0;
1129 }
1130 int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1131                 struct ieee80211_sta *sta, u16 tid)
1132 {
1133         struct rtl_priv *rtlpriv = rtl_priv(hw);
1134         struct rtl_tid_data *tid_data;
1135         struct rtl_sta_info *sta_entry = NULL;
1136
1137         if (sta == NULL)
1138                 return -EINVAL;
1139
1140         if (!sta->addr) {
1141                 RT_TRACE(COMP_ERR, DBG_EMERG, ("ra = NULL\n"));
1142                 return -EINVAL;
1143         }
1144
1145         RT_TRACE(COMP_SEND, DBG_DMESG,
1146                  ("on ra = %pM tid = %d\n", sta->addr, tid));
1147
1148         if (unlikely(tid >= MAX_TID_COUNT))
1149                 return -EINVAL;
1150
1151         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1152         tid_data = &sta_entry->tids[tid];
1153         sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1154
1155         return 0;
1156 }
1157
1158 /*********************************************************
1159  *
1160  * wq & timer callback functions
1161  *
1162  *********************************************************/
1163 /* this function is used for roaming */
1164 void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1165 {
1166         struct rtl_priv *rtlpriv = rtl_priv(hw);
1167         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1168
1169         if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1170                 return;
1171
1172         if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1173                 return;
1174
1175         /* check if this really is a beacon */
1176         if (!ieee80211_is_beacon(hdr->frame_control) &&
1177                 !ieee80211_is_probe_resp(hdr->frame_control))
1178                 return;
1179
1180         /* min. beacon length + FCS_LEN */
1181         if (skb->len <= 40 + FCS_LEN)
1182                 return;
1183
1184         /* and only beacons from the associated BSSID, please */
1185         if (compare_ether_addr(hdr->addr3, rtlpriv->mac80211.bssid))
1186                 return;
1187
1188         rtlpriv->link_info.bcn_rx_inperiod ++;
1189 }
1190
1191 void rtl_watchdog_wq_callback(void *data)
1192 {
1193         struct rtl_works *rtlworks = container_of_dwork_rtl(data,
1194                                                             struct rtl_works,
1195                                                             watchdog_wq);
1196         struct ieee80211_hw *hw = rtlworks->hw;
1197         struct rtl_priv *rtlpriv = rtl_priv(hw);
1198         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1199         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1200         bool b_busytraffic = false;
1201         bool b_tx_busy_traffic = false;
1202         bool b_rx_busy_traffic = false;
1203         bool b_higher_busytraffic = false;
1204         bool b_higher_busyrxtraffic = false;
1205         u8 idx, tid;
1206         u32 rx_cnt_inp4eriod = 0;
1207         u32 tx_cnt_inp4eriod = 0;
1208         u32 aver_rx_cnt_inperiod = 0;
1209         u32 aver_tx_cnt_inperiod = 0;
1210         u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
1211         u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
1212         bool benter_ps = false;
1213
1214         if (is_hal_stop(rtlhal))
1215                 return;
1216
1217         /* <1> Determine if action frame is allowed */
1218         if (mac->link_state > MAC80211_NOLINK) {
1219                 if (mac->cnt_after_linked < 20)
1220                         mac->cnt_after_linked++;
1221         } else {
1222                 mac->cnt_after_linked = 0;
1223         }
1224
1225         /* <2> to check if traffic busy, if
1226          * busytraffic we don't change channel */
1227         if (mac->link_state >= MAC80211_LINKED) {
1228
1229                 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
1230                 for (idx = 0; idx <= 2; idx++) {
1231                         rtlpriv->link_info.num_rx_in4period[idx] =
1232                             rtlpriv->link_info.num_rx_in4period[idx + 1];
1233                         rtlpriv->link_info.num_tx_in4period[idx] =
1234                             rtlpriv->link_info.num_tx_in4period[idx + 1];
1235                 }
1236                 rtlpriv->link_info.num_rx_in4period[3] =
1237                     rtlpriv->link_info.num_rx_inperiod;
1238                 rtlpriv->link_info.num_tx_in4period[3] =
1239                     rtlpriv->link_info.num_tx_inperiod;
1240                 for (idx = 0; idx <= 3; idx++) {
1241                         rx_cnt_inp4eriod +=
1242                             rtlpriv->link_info.num_rx_in4period[idx];
1243                         tx_cnt_inp4eriod +=
1244                             rtlpriv->link_info.num_tx_in4period[idx];
1245                 }
1246                 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
1247                 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
1248
1249                 /* (2) check traffic busy */
1250                 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
1251                         b_busytraffic = true;
1252                         if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
1253                                 b_rx_busy_traffic = true;
1254                         else
1255                                 b_tx_busy_traffic = false;
1256                 }
1257
1258                 /* Higher Tx/Rx data. */
1259                 if (aver_rx_cnt_inperiod > 4000 ||
1260                         aver_tx_cnt_inperiod > 4000) {
1261                         b_higher_busytraffic = true;
1262
1263                         /* Extremely high Rx data. */
1264                         if (aver_rx_cnt_inperiod > 5000)
1265                                 b_higher_busyrxtraffic = true;
1266                 }
1267
1268                 /* check every tid's tx traffic */
1269                 for (tid = 0; tid <= 7; tid++) {
1270                         for (idx = 0; idx <= 2; idx++)
1271                                 rtlpriv->link_info.tidtx_in4period[tid][idx] =
1272                                         rtlpriv->link_info.tidtx_in4period[tid]
1273                                         [idx + 1];
1274                         rtlpriv->link_info.tidtx_in4period[tid][3] =
1275                                 rtlpriv->link_info.tidtx_inperiod[tid];
1276
1277                         for (idx = 0; idx <= 3; idx++)
1278                                 tidtx_inp4eriod[tid] +=
1279                                    rtlpriv->link_info.tidtx_in4period[tid][idx];
1280                         aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
1281                         if (aver_tidtx_inperiod[tid] > 5000)
1282                                 rtlpriv->link_info.higher_busytxtraffic[tid] =
1283                                                                         true;
1284                         else
1285                                 rtlpriv->link_info.higher_busytxtraffic[tid] =
1286                                                                         false;
1287                 }
1288
1289                 if (((rtlpriv->link_info.num_rx_inperiod +
1290                       rtlpriv->link_info.num_tx_inperiod) > 8) ||
1291                     (rtlpriv->link_info.num_rx_inperiod > 2))
1292                         benter_ps = false;
1293                 else
1294                         benter_ps = true;
1295
1296                 /* LeisurePS only work in infra mode. */
1297                 if (benter_ps)
1298                         rtl_lps_enter(hw);
1299                 else
1300                         rtl_lps_leave(hw);
1301         }
1302
1303         rtlpriv->link_info.num_rx_inperiod = 0;
1304         rtlpriv->link_info.num_tx_inperiod = 0;
1305         for (tid = 0; tid <= 7; tid++)
1306                 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
1307
1308         rtlpriv->link_info.b_busytraffic = b_busytraffic;
1309         rtlpriv->link_info.b_rx_busy_traffic = b_rx_busy_traffic;
1310         rtlpriv->link_info.b_tx_busy_traffic = b_tx_busy_traffic;
1311         rtlpriv->link_info.b_higher_busytraffic = b_higher_busytraffic;
1312         rtlpriv->link_info.b_higher_busyrxtraffic = b_higher_busyrxtraffic;
1313
1314         /* <3> DM */
1315         rtlpriv->cfg->ops->dm_watchdog(hw);
1316
1317         /* <4> roaming */
1318         if (mac->link_state == MAC80211_LINKED &&
1319                         mac->opmode == NL80211_IFTYPE_STATION) {
1320                 if ((rtlpriv->link_info.bcn_rx_inperiod +
1321                         rtlpriv->link_info.num_rx_inperiod) == 0) {
1322                         rtlpriv->link_info.roam_times++;
1323                         RT_TRACE(COMP_ERR, DBG_DMESG, ("AP off for %d s\n",
1324                                 (rtlpriv->link_info.roam_times * 2)));
1325
1326                         /* if we can't recv beacon for 10s,
1327                          * we should reconnect this AP */
1328                         if (rtlpriv->link_info.roam_times >= 5) {
1329                                 RT_TRACE(COMP_ERR, DBG_EMERG,
1330                                          ("AP off, try to reconnect now\n"));
1331                                 rtlpriv->link_info.roam_times = 0;
1332                                 ieee80211_connection_loss(rtlpriv->mac80211.vif);
1333                         }
1334                 } else {
1335                         rtlpriv->link_info.roam_times = 0;
1336                 }
1337         }
1338         rtlpriv->link_info.bcn_rx_inperiod = 0;
1339 }
1340
1341 void rtl_watch_dog_timer_callback(unsigned long data)
1342 {
1343         struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1344         struct rtl_priv *rtlpriv = rtl_priv(hw);
1345
1346         queue_delayed_work(rtlpriv->works.rtl_wq,
1347                            &rtlpriv->works.watchdog_wq, 0);
1348
1349         mod_timer(&rtlpriv->works.watchdog_timer,
1350                   jiffies + MSECS(RTL_WATCH_DOG_TIME));
1351 }
1352 void rtl_fwevt_wq_callback(void *data)
1353 {
1354         struct rtl_works *rtlworks =
1355                 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
1356         struct ieee80211_hw *hw = rtlworks->hw;
1357         struct rtl_priv *rtlpriv = rtl_priv(hw);
1358
1359         rtlpriv->cfg->ops->c2h_command_handle(hw);
1360 }
1361 void rtl_easy_concurrent_retrytimer_callback(unsigned long data)
1362 {
1363         struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1364         struct rtl_priv *rtlpriv = rtl_priv(hw);
1365         struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
1366
1367         if(buddy_priv == NULL)
1368                 return;
1369
1370         rtlpriv->cfg->ops->dualmac_easy_concurrent(hw);
1371 }
1372 /*********************************************************
1373  *
1374  * frame process functions
1375  *
1376  *********************************************************/
1377 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
1378 {
1379         struct ieee80211_mgmt *mgmt = (void *)data;
1380         u8 *pos, *end;
1381
1382         pos = (u8 *)mgmt->u.beacon.variable;
1383         end = data + len;
1384         while (pos < end) {
1385                 if (pos + 2 + pos[1] > end)
1386                         return NULL;
1387
1388                 if (pos[0] == ie)
1389                         return pos;
1390
1391                 pos += 2 + pos[1];
1392         }
1393         return NULL;
1394 }
1395
1396 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
1397 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
1398 struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
1399                                      enum ieee80211_smps_mode smps,
1400                                      u8 *da, u8 *bssid)
1401 {
1402         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1403         struct sk_buff *skb;
1404         struct ieee80211_mgmt_compat *action_frame;
1405
1406         /* 27 = header + category + action + smps mode */
1407         skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
1408         if (!skb)
1409                 return NULL;
1410
1411         skb_reserve(skb, hw->extra_tx_headroom);
1412         action_frame = (void *)skb_put(skb, 27);
1413         memset(action_frame, 0, 27);
1414         memcpy(action_frame->da, da, ETH_ALEN);
1415         memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
1416         memcpy(action_frame->bssid, bssid, ETH_ALEN);
1417         action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1418                                                   IEEE80211_STYPE_ACTION);
1419         action_frame->u.action.category = WLAN_CATEGORY_HT;
1420         action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
1421         switch (smps) {
1422         case IEEE80211_SMPS_AUTOMATIC:/* 0 */
1423         case IEEE80211_SMPS_NUM_MODES:/* 4 */
1424                 WARN_ON(1);
1425         case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
1426                 action_frame->u.action.u.ht_smps.smps_control =
1427                                 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
1428                 break;
1429         case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
1430                 action_frame->u.action.u.ht_smps.smps_control =
1431                                 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
1432                 break;
1433         case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
1434                 action_frame->u.action.u.ht_smps.smps_control =
1435                                 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
1436                 break;
1437         }
1438
1439         return skb;
1440 }
1441
1442 int rtl_send_smps_action(struct ieee80211_hw *hw,
1443                          struct ieee80211_sta *sta,
1444                          enum ieee80211_smps_mode smps)
1445 {
1446         struct rtl_priv *rtlpriv = rtl_priv(hw);
1447         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1448         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1449         struct sk_buff *skb = NULL;
1450         struct rtl_tcb_desc tcb_desc;
1451         u8 bssid[ETH_ALEN] = {0};
1452
1453         memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1454
1455         if (rtlpriv->mac80211.act_scanning)
1456                 goto err_free;
1457
1458         if (!sta)
1459                 goto err_free;
1460
1461         if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
1462                 goto err_free;
1463
1464         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1465                 goto err_free;
1466
1467         if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
1468                 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
1469         else
1470                 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
1471
1472         skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
1473         /* this is a type = mgmt * stype = action frame */
1474         if (skb) {
1475                 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1476                 struct rtl_sta_info *sta_entry =
1477                         (struct rtl_sta_info *) sta->drv_priv;
1478                 sta_entry->mimo_ps = smps;
1479                 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); */
1480
1481                 info->control.rates[0].idx = 0;
1482 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
1483                 info->band = hw->conf.chandef.chan->band;
1484 #else
1485                 info->band = hw->conf.channel->band;
1486 #endif
1487 /*<delete in kernel start>*/
1488 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0))
1489                 info->control.sta = sta;
1490                 rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
1491 #else
1492 /*<delete in kernel end>*/
1493                 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
1494 /*<delete in kernel start>*/
1495 #endif
1496 /*<delete in kernel end>*/
1497         }
1498         return 1;
1499
1500 err_free:
1501         return 0;
1502 }
1503 //EXPORT_SYMBOL(rtl_send_smps_action);
1504
1505 /* because mac80211 have issues when can receive del ba
1506  * so here we just make a fake del_ba if we receive a ba_req
1507  * but rx_agg was opened to let mac80211 release some ba
1508  * related resources, so please this del_ba for tx */
1509 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
1510                                 u8 *sa, u8 *bssid, u16 tid)
1511 {
1512         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1513         struct sk_buff *skb;
1514         struct ieee80211_mgmt *action_frame;
1515         u16 params;
1516
1517         /* 27 = header + category + action + smps mode */
1518         skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
1519         if (!skb)
1520                 return NULL;
1521
1522         skb_reserve(skb, hw->extra_tx_headroom);
1523         action_frame = (void *)skb_put(skb, 34);
1524         memset(action_frame, 0, 34);
1525         memcpy(action_frame->sa, sa, ETH_ALEN);
1526         memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
1527         memcpy(action_frame->bssid, bssid, ETH_ALEN);
1528         action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1529                                                   IEEE80211_STYPE_ACTION);
1530         action_frame->u.action.category = WLAN_CATEGORY_BACK;
1531         action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
1532         params = (u16)(1 << 11);        /* bit 11 initiator */
1533         params |= (u16)(tid << 12);             /* bit 15:12 TID number */
1534
1535         action_frame->u.action.u.delba.params = cpu_to_le16(params);
1536         action_frame->u.action.u.delba.reason_code =
1537                 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
1538
1539         return skb;
1540 }
1541
1542 /*********************************************************
1543  *
1544  * IOT functions
1545  *
1546  *********************************************************/
1547 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
1548                                   struct octet_string vendor_ie)
1549 {
1550         struct rtl_priv *rtlpriv = rtl_priv(hw);
1551         bool matched = false;
1552         static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
1553         static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
1554         static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
1555         static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
1556         static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
1557         static u8 racap[] = { 0x00, 0x0c, 0x43 };
1558         static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
1559         static u8 marvcap[] = { 0x00, 0x50, 0x43 };
1560
1561         if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
1562                 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
1563                 rtlpriv->mac80211.vendor = PEER_ATH;
1564                 matched = true;
1565         } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
1566                 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
1567                 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
1568                 rtlpriv->mac80211.vendor = PEER_BROAD;
1569                 matched = true;
1570         } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
1571                 rtlpriv->mac80211.vendor = PEER_RAL;
1572                 matched = true;
1573         } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
1574                 rtlpriv->mac80211.vendor = PEER_CISCO;
1575                 matched = true;
1576         } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
1577                 rtlpriv->mac80211.vendor = PEER_MARV;
1578                 matched = true;
1579         }
1580
1581         return matched;
1582 }
1583
1584 bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
1585                 unsigned int len)
1586 {
1587         struct ieee80211_mgmt *mgmt = (void *)data;
1588         struct octet_string vendor_ie;
1589         u8 *pos, *end;
1590
1591         pos = (u8 *)mgmt->u.beacon.variable;
1592         end = data + len;
1593         while (pos < end) {
1594                 if (pos[0] == 221) {
1595                         vendor_ie.length = pos[1];
1596                         vendor_ie.octet = &pos[2];
1597                         if (rtl_chk_vendor_ouisub(hw, vendor_ie))
1598                                 return true;
1599                 }
1600
1601                 if (pos + 2 + pos[1] > end)
1602                         return false;
1603
1604                 pos += 2 + pos[1];
1605         }
1606         return false;
1607 }
1608
1609 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
1610 {
1611         struct rtl_priv *rtlpriv = rtl_priv(hw);
1612         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1613         struct ieee80211_hdr *hdr = (void *)data;
1614         u32 vendor = PEER_UNKNOWN;
1615
1616         static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
1617         static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
1618         static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
1619         static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
1620         static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
1621         static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
1622         static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
1623         static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
1624         static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
1625         static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
1626         static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
1627         static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
1628         static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
1629         static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
1630         static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
1631         static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
1632
1633         if (mac->opmode != NL80211_IFTYPE_STATION)
1634                 return;
1635
1636         if (mac->link_state == MAC80211_NOLINK) {
1637                 mac->vendor = PEER_UNKNOWN;
1638                 return;
1639         }
1640
1641         if (mac->cnt_after_linked > 2)
1642                 return;
1643
1644         /* check if this really is a beacon */
1645         if (!ieee80211_is_beacon(hdr->frame_control))
1646                 return;
1647
1648         /* min. beacon length + FCS_LEN */
1649         if (len <= 40 + FCS_LEN)
1650                 return;
1651
1652         /* and only beacons from the associated BSSID, please */
1653         if (compare_ether_addr(hdr->addr3, rtlpriv->mac80211.bssid))
1654                 return;
1655
1656         if (rtl_find_221_ie(hw, data, len)) {
1657                 vendor = mac->vendor;
1658         }
1659
1660         if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
1661                 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
1662                 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
1663                 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
1664                 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
1665                 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
1666                 vendor == PEER_ATH) {
1667                 vendor = PEER_ATH;
1668                 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>ath find\n"));
1669         } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
1670                 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
1671                 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
1672                 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
1673                 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
1674                 vendor == PEER_RAL) {
1675                 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>ral findn\n"));
1676                 vendor = PEER_RAL;
1677         } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
1678                 vendor == PEER_CISCO) {
1679                 vendor = PEER_CISCO;
1680                 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>cisco find\n"));
1681         } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
1682                 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
1683                 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
1684                 vendor == PEER_BROAD) {
1685                 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>broad find\n"));
1686                 vendor = PEER_BROAD;
1687         } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
1688                 vendor == PEER_MARV) {
1689                 vendor = PEER_MARV;
1690                 RT_TRACE(COMP_MAC80211, DBG_LOUD, ("=>marv find\n"));
1691         }
1692
1693         mac->vendor = vendor;
1694 }
1695
1696 /*********************************************************
1697  *
1698  * sysfs functions
1699  *
1700  *********************************************************/
1701 static ssize_t rtl_show_debug_level(struct device *d,
1702                                     struct device_attribute *attr, char *buf)
1703 {
1704         struct ieee80211_hw *hw = dev_get_drvdata(d);
1705         struct rtl_priv *rtlpriv = rtl_priv(hw);
1706
1707         return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel);
1708 }
1709
1710 static ssize_t rtl_store_debug_level(struct device *d,
1711                                      struct device_attribute *attr,
1712                                      const char *buf, size_t count)
1713 {
1714         struct ieee80211_hw *hw = dev_get_drvdata(d);
1715         struct rtl_priv *rtlpriv = rtl_priv(hw);
1716         unsigned long val;
1717         int ret;
1718
1719         ret = strict_strtoul(buf, 0, &val);
1720         if (ret) {
1721                 printk(KERN_DEBUG "%s is not in hex or decimal form.\n", buf);
1722         } else {
1723                 rtlpriv->dbg.global_debuglevel = val;
1724                 printk(KERN_DEBUG "debuglevel:%x\n",
1725                         rtlpriv->dbg.global_debuglevel);
1726         }
1727
1728         return strnlen(buf, count);
1729 }
1730
1731 static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO,
1732                    rtl_show_debug_level, rtl_store_debug_level);
1733
1734 static struct attribute *rtl_sysfs_entries[] = {
1735
1736         &dev_attr_debug_level.attr,
1737
1738         NULL
1739 };
1740
1741 /*
1742  * "name" is folder name witch will be
1743  * put in device directory like :
1744  * sys/devices/pci0000:00/0000:00:1c.4/
1745  * 0000:06:00.0/rtl_sysfs
1746  */
1747 struct attribute_group rtl_attribute_group = {
1748         .name = "rtlsysfs",
1749         .attrs = rtl_sysfs_entries,
1750 };
1751
1752 #ifdef VIF_TODO
1753 /*********************************************************
1754  *
1755  * vif functions
1756  *
1757  *********************************************************/
1758 static inline struct ieee80211_vif *
1759 rtl_get_vif(struct rtl_vif_info *vif_priv)
1760 {
1761         return container_of((void *)vif_priv, struct ieee80211_vif, drv_priv);
1762 }
1763
1764 /* Protected by ar->mutex or RCU */
1765 struct ieee80211_vif *rtl_get_main_vif(struct ieee80211_hw *hw)
1766 {
1767         struct rtl_priv *rtlpriv = rtl_priv(hw);
1768         struct rtl_vif_info *cvif;
1769
1770         list_for_each_entry_rcu(cvif, &rtlpriv->vif_priv.vif_list, list) {
1771                 if (cvif->active)
1772                         return rtl_get_vif(cvif);
1773         }
1774
1775         return NULL;
1776 }
1777
1778 static inline bool is_main_vif(struct ieee80211_hw *hw,
1779                                struct ieee80211_vif *vif)
1780 {
1781         bool ret;
1782
1783         rcu_read_lock();
1784         ret = (rtl_get_main_vif(hw) == vif);
1785         rcu_read_unlock();
1786         return ret;
1787 }
1788
1789 bool rtl_set_vif_info(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1790 {
1791         struct rtl_vif_info *vif_info = (void *) vif->drv_priv;
1792         struct rtl_priv *rtlpriv = rtl_priv(hw);
1793         int vif_id = -1;
1794
1795         if (rtlpriv->vif_priv.vifs >= MAX_VIRTUAL_MAC) {
1796                 RT_TRACE(COMP_ERR, DBG_WARNING,
1797                          ("vif number can not bigger than %d, now vifs is:%d\n",
1798                           MAX_VIRTUAL_MAC, rtlpriv->vif_priv.vifs));
1799                 return false;
1800         }
1801
1802         rcu_read_lock();
1803         vif_id = bitmap_find_free_region(&rtlpriv->vif_priv.vif_bitmap,
1804                                          MAX_VIRTUAL_MAC, 0);
1805         RT_TRACE(COMP_MAC80211, DBG_DMESG,
1806                  ("%s vid_id:%d\n", __func__, vif_id));
1807
1808         if (vif_id < 0) {
1809                 rcu_read_unlock();
1810                 return false;
1811         }
1812
1813         BUG_ON(rtlpriv->vif_priv.vif[vif_id].id != vif_id);
1814         vif_info->active = true;
1815         vif_info->id = vif_id;
1816         vif_info->enable_beacon = false;
1817         rtlpriv->vif_priv.vifs++;
1818         if (rtlpriv->vif_priv.vifs > 1) {
1819                 rtlpriv->psc.b_inactiveps = false;
1820                 rtlpriv->psc.b_swctrl_lps = false;
1821                 rtlpriv->psc.b_fwctrl_lps = false;
1822         }
1823
1824         list_add_tail_rcu(&vif_info->list, &rtlpriv->vif_priv.vif_list);
1825         rcu_assign_pointer(rtlpriv->vif_priv.vif[vif_id].vif, vif);
1826
1827         RT_TRACE(COMP_MAC80211, DBG_DMESG, ("vifaddress:%p %p %p\n",
1828                  rtlpriv->vif_priv.vif[vif_id].vif, vif, rtl_get_main_vif(hw)));
1829
1830         rcu_read_unlock();
1831
1832         return true;
1833 }
1834 #endif
1835
1836
1837 #if 0
1838 MODULE_AUTHOR("lizhaoming       <chaoming_li@realsil.com.cn>");
1839 MODULE_AUTHOR("Realtek WlanFAE  <wlanfae@realtek.com>");
1840 MODULE_AUTHOR("Larry Finger     <Larry.FInger@lwfinger.net>");
1841 MODULE_LICENSE("GPL");
1842 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
1843 #endif
1844 struct rtl_global_var global_var = {};
1845
1846 int rtl_core_module_init(void)
1847 {
1848         if (rtl_rate_control_register())
1849                 printk(KERN_DEBUG "rtl: Unable to register rtl_rc,"
1850                           "use default RC !!\n");
1851
1852         /* add proc for debug */
1853         rtl_proc_add_topdir();
1854
1855         /* init some global vars */
1856         INIT_LIST_HEAD(&global_var.glb_priv_list);
1857         spin_lock_init(&global_var.glb_list_lock);
1858
1859         return 0;
1860 }
1861
1862 void rtl_core_module_exit(void)
1863 {
1864         /*RC*/
1865         rtl_rate_control_unregister();
1866
1867         /* add proc for debug */
1868         rtl_proc_remove_topdir();
1869 }
1870
1871 #if 0
1872 module_init(rtl_core_module_init);
1873 module_exit(rtl_core_module_exit);
1874 #endif