drivers/net/wireless/rtlwifi/base.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2012  Realtek Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * The full GNU General Public License is included in this distribution in the
  15  * file called LICENSE.
  16  *
  17  * Contact Information:
  18  * wlanfae <wlanfae@realtek.com>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  * Larry Finger <Larry.Finger@lwfinger.net>
  23  *
  24  *****************************************************************************/
  25
  26 #include "wifi.h"
  27 #include "rc.h"
  28 #include "base.h"
  29 #include "efuse.h"
  30 #include "cam.h"
  31 #include "ps.h"
  32 #include "regd.h"
  33 #include "pci.h"
  34 #include <linux/ip.h>
  35 #include <linux/module.h>
  36 #include <linux/udp.h>
  37
  38 /*
  39  *NOTICE!!!: This file will be very big, we should
  40  *keep it clear under following roles:
  41  *
  42  *This file include following parts, so, if you add new
  43  *functions into this file, please check which part it
  44  *should includes. or check if you should add new part
  45  *for this file:
  46  *
  47  *1) mac80211 init functions
  48  *2) tx information functions
  49  *3) functions called by core.c
  50  *4) wq & timer callback functions
  51  *5) frame process functions
  52  *6) IOT functions
  53  *7) sysfs functions
  54  *8) vif functions
  55  *9) ...
  56  */
  57
  58 /*********************************************************
  59  *
  60  * mac80211 init functions
  61  *
  62  *********************************************************/
  63 static struct ieee80211_channel rtl_channeltable_2g[] = {
  64         {.center_freq = 2412, .hw_value = 1,},
  65         {.center_freq = 2417, .hw_value = 2,},
  66         {.center_freq = 2422, .hw_value = 3,},
  67         {.center_freq = 2427, .hw_value = 4,},
  68         {.center_freq = 2432, .hw_value = 5,},
  69         {.center_freq = 2437, .hw_value = 6,},
  70         {.center_freq = 2442, .hw_value = 7,},
  71         {.center_freq = 2447, .hw_value = 8,},
  72         {.center_freq = 2452, .hw_value = 9,},
  73         {.center_freq = 2457, .hw_value = 10,},
  74         {.center_freq = 2462, .hw_value = 11,},
  75         {.center_freq = 2467, .hw_value = 12,},
  76         {.center_freq = 2472, .hw_value = 13,},
  77         {.center_freq = 2484, .hw_value = 14,},
  78 };
  79
  80 static struct ieee80211_channel rtl_channeltable_5g[] = {
  81         {.center_freq = 5180, .hw_value = 36,},
  82         {.center_freq = 5200, .hw_value = 40,},
  83         {.center_freq = 5220, .hw_value = 44,},
  84         {.center_freq = 5240, .hw_value = 48,},
  85         {.center_freq = 5260, .hw_value = 52,},
  86         {.center_freq = 5280, .hw_value = 56,},
  87         {.center_freq = 5300, .hw_value = 60,},
  88         {.center_freq = 5320, .hw_value = 64,},
  89         {.center_freq = 5500, .hw_value = 100,},
  90         {.center_freq = 5520, .hw_value = 104,},
  91         {.center_freq = 5540, .hw_value = 108,},
  92         {.center_freq = 5560, .hw_value = 112,},
  93         {.center_freq = 5580, .hw_value = 116,},
  94         {.center_freq = 5600, .hw_value = 120,},
  95         {.center_freq = 5620, .hw_value = 124,},
  96         {.center_freq = 5640, .hw_value = 128,},
  97         {.center_freq = 5660, .hw_value = 132,},
  98         {.center_freq = 5680, .hw_value = 136,},
  99         {.center_freq = 5700, .hw_value = 140,},
 100         {.center_freq = 5745, .hw_value = 149,},
 101         {.center_freq = 5765, .hw_value = 153,},
 102         {.center_freq = 5785, .hw_value = 157,},
 103         {.center_freq = 5805, .hw_value = 161,},
 104         {.center_freq = 5825, .hw_value = 165,},
 105 };
 106
 107 static struct ieee80211_rate rtl_ratetable_2g[] = {
 108         {.bitrate = 10, .hw_value = 0x00,},
 109         {.bitrate = 20, .hw_value = 0x01,},
 110         {.bitrate = 55, .hw_value = 0x02,},
 111         {.bitrate = 110, .hw_value = 0x03,},
 112         {.bitrate = 60, .hw_value = 0x04,},
 113         {.bitrate = 90, .hw_value = 0x05,},
 114         {.bitrate = 120, .hw_value = 0x06,},
 115         {.bitrate = 180, .hw_value = 0x07,},
 116         {.bitrate = 240, .hw_value = 0x08,},
 117         {.bitrate = 360, .hw_value = 0x09,},
 118         {.bitrate = 480, .hw_value = 0x0a,},
 119         {.bitrate = 540, .hw_value = 0x0b,},
 120 };
 121
 122 static struct ieee80211_rate rtl_ratetable_5g[] = {
 123         {.bitrate = 60, .hw_value = 0x04,},
 124         {.bitrate = 90, .hw_value = 0x05,},
 125         {.bitrate = 120, .hw_value = 0x06,},
 126         {.bitrate = 180, .hw_value = 0x07,},
 127         {.bitrate = 240, .hw_value = 0x08,},
 128         {.bitrate = 360, .hw_value = 0x09,},
 129         {.bitrate = 480, .hw_value = 0x0a,},
 130         {.bitrate = 540, .hw_value = 0x0b,},
 131 };
 132
 133 static const struct ieee80211_supported_band rtl_band_2ghz = {
 134         .band = IEEE80211_BAND_2GHZ,
 135
 136         .channels = rtl_channeltable_2g,
 137         .n_channels = ARRAY_SIZE(rtl_channeltable_2g),
 138
 139         .bitrates = rtl_ratetable_2g,
 140         .n_bitrates = ARRAY_SIZE(rtl_ratetable_2g),
 141
 142         .ht_cap = {0},
 143 };
 144
 145 static struct ieee80211_supported_band rtl_band_5ghz = {
 146         .band = IEEE80211_BAND_5GHZ,
 147
 148         .channels = rtl_channeltable_5g,
 149         .n_channels = ARRAY_SIZE(rtl_channeltable_5g),
 150
 151         .bitrates = rtl_ratetable_5g,
 152         .n_bitrates = ARRAY_SIZE(rtl_ratetable_5g),
 153
 154         .ht_cap = {0},
 155 };
 156
 157 static const u8 tid_to_ac[] = {
 158         2, /* IEEE80211_AC_BE */
 159         3, /* IEEE80211_AC_BK */
 160         3, /* IEEE80211_AC_BK */
 161         2, /* IEEE80211_AC_BE */
 162         1, /* IEEE80211_AC_VI */
 163         1, /* IEEE80211_AC_VI */
 164         0, /* IEEE80211_AC_VO */
 165         0, /* IEEE80211_AC_VO */
 166 };
 167
 168 u8 rtl_tid_to_ac(u8 tid)
 169 {
 170         return tid_to_ac[tid];
 171 }
 172 EXPORT_SYMBOL_GPL(rtl_tid_to_ac);
 173
 174 static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
 175                                   struct ieee80211_sta_ht_cap *ht_cap)
 176 {
 177         struct rtl_priv *rtlpriv = rtl_priv(hw);
 178         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 179
 180         ht_cap->ht_supported = true;
 181         ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
 182             IEEE80211_HT_CAP_SGI_40 |
 183             IEEE80211_HT_CAP_SGI_20 |
 184             IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
 185
 186         if (rtlpriv->rtlhal.disable_amsdu_8k)
 187                 ht_cap->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
 188
 189         /*
 190          *Maximum length of AMPDU that the STA can receive.
 191          *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
 192          */
 193         ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
 194
 195         /*Minimum MPDU start spacing , */
 196         ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
 197
 198         ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
 199
 200         /*hw->wiphy->bands[IEEE80211_BAND_2GHZ]
 201          *base on ant_num
 202          *rx_mask: RX mask
 203          *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
 204          *if rx_ant = 2 rx_mask[1]= 0xff;==>MCS8-MCS15
 205          *if rx_ant >= 3 rx_mask[2]= 0xff;
 206          *if BW_40 rx_mask[4]= 0x01;
 207          *highest supported RX rate
 208          */
 209         if (rtlpriv->dm.supp_phymode_switch) {
 210                 RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG,
 211                          "Support phy mode switch\n");
 212
 213                 ht_cap->mcs.rx_mask[0] = 0xFF;
 214                 ht_cap->mcs.rx_mask[1] = 0xFF;
 215                 ht_cap->mcs.rx_mask[4] = 0x01;
 216
 217                 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
 218         } else {
 219                 if (get_rf_type(rtlphy) == RF_1T2R ||
 220                     get_rf_type(rtlphy) == RF_2T2R) {
 221                         RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
 222                                  "1T2R or 2T2R\n");
 223                         ht_cap->mcs.rx_mask[0] = 0xFF;
 224                         ht_cap->mcs.rx_mask[1] = 0xFF;
 225                         ht_cap->mcs.rx_mask[4] = 0x01;
 226
 227                         ht_cap->mcs.rx_highest =
 228                                  cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
 229                 } else if (get_rf_type(rtlphy) == RF_1T1R) {
 230                         RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "1T1R\n");
 231
 232                         ht_cap->mcs.rx_mask[0] = 0xFF;
 233                         ht_cap->mcs.rx_mask[1] = 0x00;
 234                         ht_cap->mcs.rx_mask[4] = 0x01;
 235
 236                         ht_cap->mcs.rx_highest =
 237                                  cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
 238                 }
 239         }
 240 }
 241
 242 static void _rtl_init_hw_vht_capab(struct ieee80211_hw *hw,
 243                                    struct ieee80211_sta_vht_cap *vht_cap)
 244 {
 245         struct rtl_priv *rtlpriv = rtl_priv(hw);
 246         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 247
 248         if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
 249                 u16 mcs_map;
 250
 251                 vht_cap->vht_supported = true;
 252                 vht_cap->cap =
 253                         IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 |
 254                         IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
 255                         IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
 256                         IEEE80211_VHT_CAP_SHORT_GI_80 |
 257                         IEEE80211_VHT_CAP_TXSTBC |
 258                         IEEE80211_VHT_CAP_RXSTBC_1 |
 259                         IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
 260                         IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
 261                         IEEE80211_VHT_CAP_HTC_VHT |
 262                         IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
 263                         IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
 264                         IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
 265                         0;
 266
 267                 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
 268                         IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
 269                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
 270                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
 271                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
 272                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
 273                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
 274                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
 275
 276                 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
 277                 vht_cap->vht_mcs.rx_highest =
 278                         cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
 279                 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
 280                 vht_cap->vht_mcs.tx_highest =
 281                         cpu_to_le16(MAX_BIT_RATE_SHORT_GI_2NSS_80MHZ_MCS9);
 282         } else if (rtlhal->hw_type == HARDWARE_TYPE_RTL8821AE) {
 283                 u16 mcs_map;
 284
 285                 vht_cap->vht_supported = true;
 286                 vht_cap->cap =
 287                         IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 |
 288                         IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
 289                         IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
 290                         IEEE80211_VHT_CAP_SHORT_GI_80 |
 291                         IEEE80211_VHT_CAP_TXSTBC |
 292                         IEEE80211_VHT_CAP_RXSTBC_1 |
 293                         IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
 294                         IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
 295                         IEEE80211_VHT_CAP_HTC_VHT |
 296                         IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
 297                         IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
 298                         IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
 299                         0;
 300
 301                 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
 302                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 |
 303                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
 304                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
 305                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
 306                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
 307                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
 308                         IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
 309
 310                 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
 311                 vht_cap->vht_mcs.rx_highest =
 312                         cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
 313                 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
 314                 vht_cap->vht_mcs.tx_highest =
 315                         cpu_to_le16(MAX_BIT_RATE_SHORT_GI_1NSS_80MHZ_MCS9);
 316         }
 317 }
 318
 319 static void _rtl_init_mac80211(struct ieee80211_hw *hw)
 320 {
 321         struct rtl_priv *rtlpriv = rtl_priv(hw);
 322         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 323         struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
 324         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 325         struct ieee80211_supported_band *sband;
 326
 327         if (rtlhal->macphymode == SINGLEMAC_SINGLEPHY &&
 328             rtlhal->bandset == BAND_ON_BOTH) {
 329                 /* 1: 2.4 G bands */
 330                 /* <1> use  mac->bands as mem for hw->wiphy->bands */
 331                 sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]);
 332
 333                 /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
 334                  * to default value(1T1R) */
 335                 memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]), &rtl_band_2ghz,
 336                                 sizeof(struct ieee80211_supported_band));
 337
 338                 /* <3> init ht cap base on ant_num */
 339                 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
 340
 341                 /* <4> set mac->sband to wiphy->sband */
 342                 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
 343
 344                 /* 2: 5 G bands */
 345                 /* <1> use  mac->bands as mem for hw->wiphy->bands */
 346                 sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
 347
 348                 /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
 349                  * to default value(1T1R) */
 350                 memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]), &rtl_band_5ghz,
 351                                 sizeof(struct ieee80211_supported_band));
 352
 353                 /* <3> init ht cap base on ant_num */
 354                 _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
 355
 356                 _rtl_init_hw_vht_capab(hw, &sband->vht_cap);
 357                 /* <4> set mac->sband to wiphy->sband */
 358                 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
 359         } else {
 360                 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 361                         /* <1> use  mac->bands as mem for hw->wiphy->bands */
 362                         sband = &(rtlmac->bands[IEEE80211_BAND_2GHZ]);
 363
 364                         /* <2> set hw->wiphy->bands[IEEE80211_BAND_2GHZ]
 365                          * to default value(1T1R) */
 366                         memcpy(&(rtlmac->bands[IEEE80211_BAND_2GHZ]),
 367                                &rtl_band_2ghz,
 368                                sizeof(struct ieee80211_supported_band));
 369
 370                         /* <3> init ht cap base on ant_num */
 371                         _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
 372
 373                         /* <4> set mac->sband to wiphy->sband */
 374                         hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
 375                 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
 376                         /* <1> use  mac->bands as mem for hw->wiphy->bands */
 377                         sband = &(rtlmac->bands[IEEE80211_BAND_5GHZ]);
 378
 379                         /* <2> set hw->wiphy->bands[IEEE80211_BAND_5GHZ]
 380                          * to default value(1T1R) */
 381                         memcpy(&(rtlmac->bands[IEEE80211_BAND_5GHZ]),
 382                                &rtl_band_5ghz,
 383                                sizeof(struct ieee80211_supported_band));
 384
 385                         /* <3> init ht cap base on ant_num */
 386                         _rtl_init_hw_ht_capab(hw, &sband->ht_cap);
 387
 388                         _rtl_init_hw_vht_capab(hw, &sband->vht_cap);
 389                         /* <4> set mac->sband to wiphy->sband */
 390                         hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
 391                 } else {
 392                         RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, "Err BAND %d\n",
 393                                  rtlhal->current_bandtype);
 394                 }
 395         }
 396         /* <5> set hw caps */
 397         hw->flags = IEEE80211_HW_SIGNAL_DBM |
 398             IEEE80211_HW_RX_INCLUDES_FCS |
 399             IEEE80211_HW_AMPDU_AGGREGATION |
 400             IEEE80211_HW_CONNECTION_MONITOR |
 401             /* IEEE80211_HW_SUPPORTS_CQM_RSSI | */
 402             IEEE80211_HW_MFP_CAPABLE |
 403             IEEE80211_HW_REPORTS_TX_ACK_STATUS | 0;
 404
 405         /* swlps or hwlps has been set in diff chip in init_sw_vars */
 406         if (rtlpriv->psc.swctrl_lps)
 407                 hw->flags |= IEEE80211_HW_SUPPORTS_PS |
 408                         IEEE80211_HW_PS_NULLFUNC_STACK |
 409                         /* IEEE80211_HW_SUPPORTS_DYNAMIC_PS | */
 410                         0;
 411         hw->wiphy->interface_modes =
 412             BIT(NL80211_IFTYPE_AP) |
 413             BIT(NL80211_IFTYPE_STATION) |
 414             BIT(NL80211_IFTYPE_ADHOC) |
 415             BIT(NL80211_IFTYPE_MESH_POINT) |
 416             BIT(NL80211_IFTYPE_P2P_CLIENT) |
 417             BIT(NL80211_IFTYPE_P2P_GO);
 418         hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
 419
 420         hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
 421
 422         hw->wiphy->rts_threshold = 2347;
 423
 424         hw->queues = AC_MAX;
 425         hw->extra_tx_headroom = RTL_TX_HEADER_SIZE;
 426
 427         /* TODO: Correct this value for our hw */
 428         /* TODO: define these hard code value */
 429         hw->max_listen_interval = 10;
 430         hw->max_rate_tries = 4;
 431         /* hw->max_rates = 1; */
 432         hw->sta_data_size = sizeof(struct rtl_sta_info);
 433
 434 /* wowlan is not supported by kernel if CONFIG_PM is not defined */
 435 #ifdef CONFIG_PM
 436         if (rtlpriv->psc.wo_wlan_mode) {
 437                 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_MAGIC_PACKET)
 438                         rtlpriv->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT;
 439                 if (rtlpriv->psc.wo_wlan_mode & WAKE_ON_PATTERN_MATCH) {
 440                         rtlpriv->wowlan.n_patterns =
 441                                 MAX_SUPPORT_WOL_PATTERN_NUM;
 442                         rtlpriv->wowlan.pattern_min_len = MIN_WOL_PATTERN_SIZE;
 443                         rtlpriv->wowlan.pattern_max_len = MAX_WOL_PATTERN_SIZE;
 444                 }
 445                 hw->wiphy->wowlan = &rtlpriv->wowlan;
 446         }
 447 #endif
 448
 449         /* <6> mac address */
 450         if (is_valid_ether_addr(rtlefuse->dev_addr)) {
 451                 SET_IEEE80211_PERM_ADDR(hw, rtlefuse->dev_addr);
 452         } else {
 453                 u8 rtlmac1[] = { 0x00, 0xe0, 0x4c, 0x81, 0x92, 0x00 };
 454                 get_random_bytes((rtlmac1 + (ETH_ALEN - 1)), 1);
 455                 SET_IEEE80211_PERM_ADDR(hw, rtlmac1);
 456         }
 457 }
 458
 459 static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
 460 {
 461         struct rtl_priv *rtlpriv = rtl_priv(hw);
 462
 463         /* <1> timer */
 464         setup_timer(&rtlpriv->works.watchdog_timer,
 465                     rtl_watch_dog_timer_callback, (unsigned long)hw);
 466         setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer,
 467                     rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw);
 468         /* <2> work queue */
 469         rtlpriv->works.hw = hw;
 470         rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name);
 471         INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
 472                           (void *)rtl_watchdog_wq_callback);
 473         INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
 474                           (void *)rtl_ips_nic_off_wq_callback);
 475         INIT_DELAYED_WORK(&rtlpriv->works.ps_work,
 476                           (void *)rtl_swlps_wq_callback);
 477         INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq,
 478                           (void *)rtl_swlps_rfon_wq_callback);
 479         INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq,
 480                           (void *)rtl_fwevt_wq_callback);
 481
 482 }
 483
 484 void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
 485 {
 486         struct rtl_priv *rtlpriv = rtl_priv(hw);
 487
 488         del_timer_sync(&rtlpriv->works.watchdog_timer);
 489
 490         cancel_delayed_work(&rtlpriv->works.watchdog_wq);
 491         cancel_delayed_work(&rtlpriv->works.ips_nic_off_wq);
 492         cancel_delayed_work(&rtlpriv->works.ps_work);
 493         cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 494         cancel_delayed_work(&rtlpriv->works.fwevt_wq);
 495 }
 496 EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work);
 497
 498 void rtl_init_rfkill(struct ieee80211_hw *hw)
 499 {
 500         struct rtl_priv *rtlpriv = rtl_priv(hw);
 501
 502         bool radio_state;
 503         bool blocked;
 504         u8 valid = 0;
 505
 506         /*set init state to on */
 507         rtlpriv->rfkill.rfkill_state = true;
 508         wiphy_rfkill_set_hw_state(hw->wiphy, 0);
 509
 510         radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
 511
 512         if (valid) {
 513                 pr_info("rtlwifi: wireless switch is %s\n",
 514                         rtlpriv->rfkill.rfkill_state ? "on" : "off");
 515
 516                 rtlpriv->rfkill.rfkill_state = radio_state;
 517
 518                 blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
 519                 wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
 520         }
 521
 522         wiphy_rfkill_start_polling(hw->wiphy);
 523 }
 524 EXPORT_SYMBOL(rtl_init_rfkill);
 525
 526 void rtl_deinit_rfkill(struct ieee80211_hw *hw)
 527 {
 528         wiphy_rfkill_stop_polling(hw->wiphy);
 529 }
 530 EXPORT_SYMBOL_GPL(rtl_deinit_rfkill);
 531
 532 int rtl_init_core(struct ieee80211_hw *hw)
 533 {
 534         struct rtl_priv *rtlpriv = rtl_priv(hw);
 535         struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
 536
 537         /* <1> init mac80211 */
 538         _rtl_init_mac80211(hw);
 539         rtlmac->hw = hw;
 540
 541         /* <2> rate control register */
 542         hw->rate_control_algorithm = "rtl_rc";
 543
 544         /*
 545          * <3> init CRDA must come after init
 546          * mac80211 hw  in _rtl_init_mac80211.
 547          */
 548         if (rtl_regd_init(hw, rtl_reg_notifier)) {
 549                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "REGD init failed\n");
 550                 return 1;
 551         }
 552
 553         /* <4> locks */
 554         mutex_init(&rtlpriv->locks.conf_mutex);
 555         spin_lock_init(&rtlpriv->locks.ips_lock);
 556         spin_lock_init(&rtlpriv->locks.irq_th_lock);
 557         spin_lock_init(&rtlpriv->locks.h2c_lock);
 558         spin_lock_init(&rtlpriv->locks.rf_ps_lock);
 559         spin_lock_init(&rtlpriv->locks.rf_lock);
 560         spin_lock_init(&rtlpriv->locks.waitq_lock);
 561         spin_lock_init(&rtlpriv->locks.entry_list_lock);
 562         spin_lock_init(&rtlpriv->locks.cck_and_rw_pagea_lock);
 563         spin_lock_init(&rtlpriv->locks.check_sendpkt_lock);
 564         spin_lock_init(&rtlpriv->locks.fw_ps_lock);
 565         spin_lock_init(&rtlpriv->locks.lps_lock);
 566         spin_lock_init(&rtlpriv->locks.iqk_lock);
 567         /* <5> init list */
 568         INIT_LIST_HEAD(&rtlpriv->entry_list);
 569
 570         rtlmac->link_state = MAC80211_NOLINK;
 571
 572         /* <6> init deferred work */
 573         _rtl_init_deferred_work(hw);
 574
 575         return 0;
 576 }
 577 EXPORT_SYMBOL_GPL(rtl_init_core);
 578
 579 void rtl_deinit_core(struct ieee80211_hw *hw)
 580 {
 581 }
 582 EXPORT_SYMBOL_GPL(rtl_deinit_core);
 583
 584 void rtl_init_rx_config(struct ieee80211_hw *hw)
 585 {
 586         struct rtl_priv *rtlpriv = rtl_priv(hw);
 587         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 588
 589         rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
 590 }
 591 EXPORT_SYMBOL_GPL(rtl_init_rx_config);
 592
 593 /*********************************************************
 594  *
 595  * tx information functions
 596  *
 597  *********************************************************/
 598 static void _rtl_qurey_shortpreamble_mode(struct ieee80211_hw *hw,
 599                                           struct rtl_tcb_desc *tcb_desc,
 600                                           struct ieee80211_tx_info *info)
 601 {
 602         struct rtl_priv *rtlpriv = rtl_priv(hw);
 603         u8 rate_flag = info->control.rates[0].flags;
 604
 605         tcb_desc->use_shortpreamble = false;
 606
 607         /* 1M can only use Long Preamble. 11B spec */
 608         if (tcb_desc->hw_rate == rtlpriv->cfg->maps[RTL_RC_CCK_RATE1M])
 609                 return;
 610         else if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
 611                 tcb_desc->use_shortpreamble = true;
 612
 613         return;
 614 }
 615
 616 static void _rtl_query_shortgi(struct ieee80211_hw *hw,
 617                                struct ieee80211_sta *sta,
 618                                struct rtl_tcb_desc *tcb_desc,
 619                                struct ieee80211_tx_info *info)
 620 {
 621         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 622         u8 rate_flag = info->control.rates[0].flags;
 623         u8 sgi_40 = 0, sgi_20 = 0, bw_40 = 0;
 624         u8 sgi_80 = 0, bw_80 = 0;
 625         tcb_desc->use_shortgi = false;
 626
 627         if (sta == NULL)
 628                 return;
 629
 630         sgi_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
 631         sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
 632         sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80;
 633
 634         if ((!sta->ht_cap.ht_supported) && (!sta->vht_cap.vht_supported))
 635                 return;
 636
 637         if (!sgi_40 && !sgi_20)
 638                 return;
 639
 640         if (mac->opmode == NL80211_IFTYPE_STATION) {
 641                 bw_40 = mac->bw_40;
 642                 bw_80 = mac->bw_80;
 643         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 644                  mac->opmode == NL80211_IFTYPE_ADHOC ||
 645                  mac->opmode == NL80211_IFTYPE_MESH_POINT) {
 646                 bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 647                 bw_80 = sta->vht_cap.vht_supported;
 648         }
 649
 650         if (bw_80) {
 651                 if (sgi_80)
 652                         tcb_desc->use_shortgi = true;
 653                 else
 654                         tcb_desc->use_shortgi = false;
 655         } else {
 656                 if (bw_40 && sgi_40)
 657                         tcb_desc->use_shortgi = true;
 658                 else if (!bw_40 && sgi_20)
 659                         tcb_desc->use_shortgi = true;
 660         }
 661
 662         if (!(rate_flag & IEEE80211_TX_RC_SHORT_GI))
 663                 tcb_desc->use_shortgi = false;
 664 }
 665
 666 static void _rtl_query_protection_mode(struct ieee80211_hw *hw,
 667                                        struct rtl_tcb_desc *tcb_desc,
 668                                        struct ieee80211_tx_info *info)
 669 {
 670         struct rtl_priv *rtlpriv = rtl_priv(hw);
 671         u8 rate_flag = info->control.rates[0].flags;
 672
 673         /* Common Settings */
 674         tcb_desc->rts_stbc = false;
 675         tcb_desc->cts_enable = false;
 676         tcb_desc->rts_sc = 0;
 677         tcb_desc->rts_bw = false;
 678         tcb_desc->rts_use_shortpreamble = false;
 679         tcb_desc->rts_use_shortgi = false;
 680
 681         if (rate_flag & IEEE80211_TX_RC_USE_CTS_PROTECT) {
 682                 /* Use CTS-to-SELF in protection mode. */
 683                 tcb_desc->rts_enable = true;
 684                 tcb_desc->cts_enable = true;
 685                 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
 686         } else if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
 687                 /* Use RTS-CTS in protection mode. */
 688                 tcb_desc->rts_enable = true;
 689                 tcb_desc->rts_rate = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE24M];
 690         }
 691 }
 692
 693 static void _rtl_txrate_selectmode(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         struct rtl_sta_info *sta_entry = NULL;
 700         u8 ratr_index = 7;
 701
 702         if (sta) {
 703                 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
 704                 ratr_index = sta_entry->ratr_index;
 705         }
 706         if (!tcb_desc->disable_ratefallback || !tcb_desc->use_driver_rate) {
 707                 if (mac->opmode == NL80211_IFTYPE_STATION) {
 708                         tcb_desc->ratr_index = 0;
 709                 } else if (mac->opmode == NL80211_IFTYPE_ADHOC ||
 710                                 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
 711                         if (tcb_desc->multicast || tcb_desc->broadcast) {
 712                                 tcb_desc->hw_rate =
 713                                     rtlpriv->cfg->maps[RTL_RC_CCK_RATE2M];
 714                                 tcb_desc->use_driver_rate = 1;
 715                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
 716                         } else {
 717                                 tcb_desc->ratr_index = ratr_index;
 718                         }
 719                 } else if (mac->opmode == NL80211_IFTYPE_AP) {
 720                         tcb_desc->ratr_index = ratr_index;
 721                 }
 722         }
 723
 724         if (rtlpriv->dm.useramask) {
 725                 tcb_desc->ratr_index = ratr_index;
 726                 /* TODO we will differentiate adhoc and station future  */
 727                 if (mac->opmode == NL80211_IFTYPE_STATION ||
 728                     mac->opmode == NL80211_IFTYPE_MESH_POINT) {
 729                         tcb_desc->mac_id = 0;
 730
 731                         if (mac->mode == WIRELESS_MODE_AC_5G)
 732                                 tcb_desc->ratr_index =
 733                                         RATR_INX_WIRELESS_AC_5N;
 734                         else if (mac->mode == WIRELESS_MODE_AC_24G)
 735                                 tcb_desc->ratr_index =
 736                                         RATR_INX_WIRELESS_AC_24N;
 737                         else if (mac->mode == WIRELESS_MODE_N_24G)
 738                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_NGB;
 739                         else if (mac->mode == WIRELESS_MODE_N_5G)
 740                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_NG;
 741                         else if (mac->mode & WIRELESS_MODE_G)
 742                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_GB;
 743                         else if (mac->mode & WIRELESS_MODE_B)
 744                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_B;
 745                         else if (mac->mode & WIRELESS_MODE_A)
 746                                 tcb_desc->ratr_index = RATR_INX_WIRELESS_G;
 747
 748                 } else if (mac->opmode == NL80211_IFTYPE_AP ||
 749                         mac->opmode == NL80211_IFTYPE_ADHOC) {
 750                         if (NULL != sta) {
 751                                 if (sta->aid > 0)
 752                                         tcb_desc->mac_id = sta->aid + 1;
 753                                 else
 754                                         tcb_desc->mac_id = 1;
 755                         } else {
 756                                 tcb_desc->mac_id = 0;
 757                         }
 758                 }
 759         }
 760 }
 761
 762 static void _rtl_query_bandwidth_mode(struct ieee80211_hw *hw,
 763                                       struct ieee80211_sta *sta,
 764                                       struct rtl_tcb_desc *tcb_desc)
 765 {
 766         struct rtl_priv *rtlpriv = rtl_priv(hw);
 767         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 768
 769         tcb_desc->packet_bw = false;
 770         if (!sta)
 771                 return;
 772         if (mac->opmode == NL80211_IFTYPE_AP ||
 773             mac->opmode == NL80211_IFTYPE_ADHOC ||
 774             mac->opmode == NL80211_IFTYPE_MESH_POINT) {
 775                 if (!(sta->ht_cap.ht_supported) ||
 776                     !(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
 777                         return;
 778         } else if (mac->opmode == NL80211_IFTYPE_STATION) {
 779                 if (!mac->bw_40 || !(sta->ht_cap.ht_supported))
 780                         return;
 781         }
 782         if (tcb_desc->multicast || tcb_desc->broadcast)
 783                 return;
 784
 785         /*use legency rate, shall use 20MHz */
 786         if (tcb_desc->hw_rate <= rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M])
 787                 return;
 788
 789         tcb_desc->packet_bw = HT_CHANNEL_WIDTH_20_40;
 790
 791         if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE ||
 792             rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8821AE) {
 793                 if (mac->opmode == NL80211_IFTYPE_AP ||
 794                     mac->opmode == NL80211_IFTYPE_ADHOC ||
 795                     mac->opmode == NL80211_IFTYPE_MESH_POINT) {
 796                         if (!(sta->vht_cap.vht_supported))
 797                                 return;
 798                 } else if (mac->opmode == NL80211_IFTYPE_STATION) {
 799                         if (!mac->bw_80 ||
 800                             !(sta->vht_cap.vht_supported))
 801                                 return;
 802                 }
 803                 if (tcb_desc->hw_rate <=
 804                         rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15])
 805                         return;
 806                 tcb_desc->packet_bw = HT_CHANNEL_WIDTH_80;
 807         }
 808 }
 809
 810 static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw,
 811                                       struct ieee80211_sta *sta)
 812 {
 813         struct rtl_priv *rtlpriv = rtl_priv(hw);
 814         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 815         u8 hw_rate;
 816         u16 tx_mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.tx_mcs_map);
 817
 818         if ((get_rf_type(rtlphy) == RF_2T2R) &&
 819             (tx_mcs_map & 0x000c) != 0x000c) {
 820                 if ((tx_mcs_map & 0x000c) >> 2 ==
 821                         IEEE80211_VHT_MCS_SUPPORT_0_7)
 822                         hw_rate =
 823                         rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS7];
 824                 else if ((tx_mcs_map  & 0x000c) >> 2 ==
 825                         IEEE80211_VHT_MCS_SUPPORT_0_8)
 826                         hw_rate =
 827                         rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
 828                 else
 829                         hw_rate =
 830                         rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
 831         } else {
 832                 if ((tx_mcs_map  & 0x0003) ==
 833                         IEEE80211_VHT_MCS_SUPPORT_0_7)
 834                         hw_rate =
 835                         rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS7];
 836                 else if ((tx_mcs_map  & 0x0003) ==
 837                         IEEE80211_VHT_MCS_SUPPORT_0_8)
 838                         hw_rate =
 839                         rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
 840                 else
 841                         hw_rate =
 842                         rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
 843         }
 844
 845         return hw_rate;
 846 }
 847
 848 static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw,
 849                                   struct ieee80211_sta *sta)
 850 {
 851         struct rtl_priv *rtlpriv = rtl_priv(hw);
 852         struct rtl_phy *rtlphy = &rtlpriv->phy;
 853         u8 hw_rate;
 854
 855         if ((get_rf_type(rtlphy) == RF_2T2R) &&
 856             (sta->ht_cap.mcs.rx_mask[1] != 0))
 857                 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15];
 858         else
 859                 hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7];
 860
 861         return hw_rate;
 862 }
 863
 864 /* mac80211's rate_idx is like this:
 865  *
 866  * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ
 867  *
 868  * B/G rate:
 869  * (rx_status->flag & RX_FLAG_HT) = 0,
 870  * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11,
 871  *
 872  * N rate:
 873  * (rx_status->flag & RX_FLAG_HT) = 1,
 874  * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
 875  *
 876  * 5G band:rx_status->band == IEEE80211_BAND_5GHZ
 877  * A rate:
 878  * (rx_status->flag & RX_FLAG_HT) = 0,
 879  * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7,
 880  *
 881  * N rate:
 882  * (rx_status->flag & RX_FLAG_HT) = 1,
 883  * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
 884  *
 885  * VHT rates:
 886  * DESC_RATEVHT1SS_MCS0-->DESC_RATEVHT1SS_MCS9 ==> idx is 0-->9
 887  * DESC_RATEVHT2SS_MCS0-->DESC_RATEVHT2SS_MCS9 ==> idx is 0-->9
 888  */
 889 int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht,
 890                          u8 desc_rate)
 891 {
 892         int rate_idx;
 893
 894         if (isvht) {
 895                 switch (desc_rate) {
 896                 case DESC_RATEVHT1SS_MCS0:
 897                         rate_idx = 0;
 898                         break;
 899                 case DESC_RATEVHT1SS_MCS1:
 900                         rate_idx = 1;
 901                         break;
 902                 case DESC_RATEVHT1SS_MCS2:
 903                         rate_idx = 2;
 904                         break;
 905                 case DESC_RATEVHT1SS_MCS3:
 906                         rate_idx = 3;
 907                         break;
 908                 case DESC_RATEVHT1SS_MCS4:
 909                         rate_idx = 4;
 910                         break;
 911                 case DESC_RATEVHT1SS_MCS5:
 912                         rate_idx = 5;
 913                         break;
 914                 case DESC_RATEVHT1SS_MCS6:
 915                         rate_idx = 6;
 916                         break;
 917                 case DESC_RATEVHT1SS_MCS7:
 918                         rate_idx = 7;
 919                         break;
 920                 case DESC_RATEVHT1SS_MCS8:
 921                         rate_idx = 8;
 922                         break;
 923                 case DESC_RATEVHT1SS_MCS9:
 924                         rate_idx = 9;
 925                         break;
 926                 case DESC_RATEVHT2SS_MCS0:
 927                         rate_idx = 0;
 928                         break;
 929                 case DESC_RATEVHT2SS_MCS1:
 930                         rate_idx = 1;
 931                         break;
 932                 case DESC_RATEVHT2SS_MCS2:
 933                         rate_idx = 2;
 934                         break;
 935                 case DESC_RATEVHT2SS_MCS3:
 936                         rate_idx = 3;
 937                         break;
 938                 case DESC_RATEVHT2SS_MCS4:
 939                         rate_idx = 4;
 940                         break;
 941                 case DESC_RATEVHT2SS_MCS5:
 942                         rate_idx = 5;
 943                         break;
 944                 case DESC_RATEVHT2SS_MCS6:
 945                         rate_idx = 6;
 946                         break;
 947                 case DESC_RATEVHT2SS_MCS7:
 948                         rate_idx = 7;
 949                         break;
 950                 case DESC_RATEVHT2SS_MCS8:
 951                         rate_idx = 8;
 952                         break;
 953                 case DESC_RATEVHT2SS_MCS9:
 954                         rate_idx = 9;
 955                         break;
 956                 default:
 957                         rate_idx = 0;
 958                         break;
 959                 }
 960                 return rate_idx;
 961         }
 962         if (false == isht) {
 963                 if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
 964                         switch (desc_rate) {
 965                         case DESC_RATE1M:
 966                                 rate_idx = 0;
 967                                 break;
 968                         case DESC_RATE2M:
 969                                 rate_idx = 1;
 970                                 break;
 971                         case DESC_RATE5_5M:
 972                                 rate_idx = 2;
 973                                 break;
 974                         case DESC_RATE11M:
 975                                 rate_idx = 3;
 976                                 break;
 977                         case DESC_RATE6M:
 978                                 rate_idx = 4;
 979                                 break;
 980                         case DESC_RATE9M:
 981                                 rate_idx = 5;
 982                                 break;
 983                         case DESC_RATE12M:
 984                                 rate_idx = 6;
 985                                 break;
 986                         case DESC_RATE18M:
 987                                 rate_idx = 7;
 988                                 break;
 989                         case DESC_RATE24M:
 990                                 rate_idx = 8;
 991                                 break;
 992                         case DESC_RATE36M:
 993                                 rate_idx = 9;
 994                                 break;
 995                         case DESC_RATE48M:
 996                                 rate_idx = 10;
 997                                 break;
 998                         case DESC_RATE54M:
 999                                 rate_idx = 11;
1000                                 break;
1001                         default:
1002                                 rate_idx = 0;
1003                                 break;
1004                         }
1005                 } else {
1006                         switch (desc_rate) {
1007                         case DESC_RATE6M:
1008                                 rate_idx = 0;
1009                                 break;
1010                         case DESC_RATE9M:
1011                                 rate_idx = 1;
1012                                 break;
1013                         case DESC_RATE12M:
1014                                 rate_idx = 2;
1015                                 break;
1016                         case DESC_RATE18M:
1017                                 rate_idx = 3;
1018                                 break;
1019                         case DESC_RATE24M:
1020                                 rate_idx = 4;
1021                                 break;
1022                         case DESC_RATE36M:
1023                                 rate_idx = 5;
1024                                 break;
1025                         case DESC_RATE48M:
1026                                 rate_idx = 6;
1027                                 break;
1028                         case DESC_RATE54M:
1029                                 rate_idx = 7;
1030                                 break;
1031                         default:
1032                                 rate_idx = 0;
1033                                 break;
1034                         }
1035                 }
1036         } else {
1037                 switch (desc_rate) {
1038                 case DESC_RATEMCS0:
1039                         rate_idx = 0;
1040                         break;
1041                 case DESC_RATEMCS1:
1042                         rate_idx = 1;
1043                         break;
1044                 case DESC_RATEMCS2:
1045                         rate_idx = 2;
1046                         break;
1047                 case DESC_RATEMCS3:
1048                         rate_idx = 3;
1049                         break;
1050                 case DESC_RATEMCS4:
1051                         rate_idx = 4;
1052                         break;
1053                 case DESC_RATEMCS5:
1054                         rate_idx = 5;
1055                         break;
1056                 case DESC_RATEMCS6:
1057                         rate_idx = 6;
1058                         break;
1059                 case DESC_RATEMCS7:
1060                         rate_idx = 7;
1061                         break;
1062                 case DESC_RATEMCS8:
1063                         rate_idx = 8;
1064                         break;
1065                 case DESC_RATEMCS9:
1066                         rate_idx = 9;
1067                         break;
1068                 case DESC_RATEMCS10:
1069                         rate_idx = 10;
1070                         break;
1071                 case DESC_RATEMCS11:
1072                         rate_idx = 11;
1073                         break;
1074                 case DESC_RATEMCS12:
1075                         rate_idx = 12;
1076                         break;
1077                 case DESC_RATEMCS13:
1078                         rate_idx = 13;
1079                         break;
1080                 case DESC_RATEMCS14:
1081                         rate_idx = 14;
1082                         break;
1083                 case DESC_RATEMCS15:
1084                         rate_idx = 15;
1085                         break;
1086                 default:
1087                         rate_idx = 0;
1088                         break;
1089                 }
1090         }
1091         return rate_idx;
1092 }
1093 EXPORT_SYMBOL(rtlwifi_rate_mapping);
1094
1095 void rtl_get_tcb_desc(struct ieee80211_hw *hw,
1096                       struct ieee80211_tx_info *info,
1097                       struct ieee80211_sta *sta,
1098                       struct sk_buff *skb, struct rtl_tcb_desc *tcb_desc)
1099 {
1100         struct rtl_priv *rtlpriv = rtl_priv(hw);
1101         struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
1102         struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1103         struct ieee80211_rate *txrate;
1104         __le16 fc = rtl_get_fc(skb);
1105
1106         txrate = ieee80211_get_tx_rate(hw, info);
1107         if (txrate)
1108                 tcb_desc->hw_rate = txrate->hw_value;
1109
1110         if (ieee80211_is_data(fc)) {
1111                 /*
1112                  *we set data rate INX 0
1113                  *in rtl_rc.c   if skb is special data or
1114                  *mgt which need low data rate.
1115                  */
1116
1117                 /*
1118                  *So tcb_desc->hw_rate is just used for
1119                  *special data and mgt frames
1120                  */
1121                 if (info->control.rates[0].idx == 0 ||
1122                                 ieee80211_is_nullfunc(fc)) {
1123                         tcb_desc->use_driver_rate = true;
1124                         tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
1125
1126                         tcb_desc->disable_ratefallback = 1;
1127                 } else {
1128                         /*
1129                          *because hw will nerver use hw_rate
1130                          *when tcb_desc->use_driver_rate = false
1131                          *so we never set highest N rate here,
1132                          *and N rate will all be controlled by FW
1133                          *when tcb_desc->use_driver_rate = false
1134                          */
1135                         if (sta && sta->vht_cap.vht_supported) {
1136                                 tcb_desc->hw_rate =
1137                                 _rtl_get_vht_highest_n_rate(hw, sta);
1138                         } else {
1139                                 if (sta && (sta->ht_cap.ht_supported)) {
1140                                         tcb_desc->hw_rate =
1141                                                 _rtl_get_highest_n_rate(hw, sta);
1142                                 } else {
1143                                         if (rtlmac->mode == WIRELESS_MODE_B) {
1144                                                 tcb_desc->hw_rate =
1145                                                     rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
1146                                         } else {
1147                                                 tcb_desc->hw_rate =
1148                                                     rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];
1149                                         }
1150                                 }
1151                         }
1152                 }
1153
1154                 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)))
1155                         tcb_desc->multicast = 1;
1156                 else if (is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
1157                         tcb_desc->broadcast = 1;
1158
1159                 _rtl_txrate_selectmode(hw, sta, tcb_desc);
1160                 _rtl_query_bandwidth_mode(hw, sta, tcb_desc);
1161                 _rtl_qurey_shortpreamble_mode(hw, tcb_desc, info);
1162                 _rtl_query_shortgi(hw, sta, tcb_desc, info);
1163                 _rtl_query_protection_mode(hw, tcb_desc, info);
1164         } else {
1165                 tcb_desc->use_driver_rate = true;
1166                 tcb_desc->ratr_index = RATR_INX_WIRELESS_MC;
1167                 tcb_desc->disable_ratefallback = 1;
1168                 tcb_desc->mac_id = 0;
1169                 tcb_desc->packet_bw = false;
1170         }
1171 }
1172 EXPORT_SYMBOL(rtl_get_tcb_desc);
1173
1174 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
1175 {
1176         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1177         struct rtl_priv *rtlpriv = rtl_priv(hw);
1178         __le16 fc = rtl_get_fc(skb);
1179
1180         if (rtlpriv->dm.supp_phymode_switch &&
1181             mac->link_state < MAC80211_LINKED &&
1182             (ieee80211_is_auth(fc) || ieee80211_is_probe_req(fc))) {
1183                 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1184                         rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1185         }
1186         if (ieee80211_is_auth(fc)) {
1187                 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n");
1188                 rtl_ips_nic_on(hw);
1189
1190                 mac->link_state = MAC80211_LINKING;
1191                 /* Dul mac */
1192                 rtlpriv->phy.need_iqk = true;
1193
1194         }
1195
1196         return true;
1197 }
1198 EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc);
1199
1200 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw, u8 *sa,
1201                                 u8 *bssid, u16 tid);
1202
1203 static void process_agg_start(struct ieee80211_hw *hw,
1204                               struct ieee80211_hdr *hdr, u16 tid)
1205 {
1206         struct rtl_priv *rtlpriv = rtl_priv(hw);
1207         struct ieee80211_rx_status rx_status = { 0 };
1208         struct sk_buff *skb_delba = NULL;
1209
1210         skb_delba = rtl_make_del_ba(hw, hdr->addr2, hdr->addr3, tid);
1211         if (skb_delba) {
1212                 rx_status.freq = hw->conf.chandef.chan->center_freq;
1213                 rx_status.band = hw->conf.chandef.chan->band;
1214                 rx_status.flag |= RX_FLAG_DECRYPTED;
1215                 rx_status.flag |= RX_FLAG_MACTIME_START;
1216                 rx_status.rate_idx = 0;
1217                 rx_status.signal = 50 + 10;
1218                 memcpy(IEEE80211_SKB_RXCB(skb_delba),
1219                        &rx_status, sizeof(rx_status));
1220                 RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG,
1221                               "fake del\n",
1222                               skb_delba->data,
1223                               skb_delba->len);
1224                 ieee80211_rx_irqsafe(hw, skb_delba);
1225         }
1226 }
1227
1228 bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
1229 {
1230         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1231         struct ieee80211_hdr *hdr = rtl_get_hdr(skb);
1232         struct rtl_priv *rtlpriv = rtl_priv(hw);
1233         __le16 fc = rtl_get_fc(skb);
1234         u8 *act = (u8 *)(((u8 *)skb->data + MAC80211_3ADDR_LEN));
1235         u8 category;
1236
1237         if (!ieee80211_is_action(fc))
1238                 return true;
1239
1240         category = *act;
1241         act++;
1242         switch (category) {
1243         case ACT_CAT_BA:
1244                 switch (*act) {
1245                 case ACT_ADDBAREQ:
1246                         if (mac->act_scanning)
1247                                 return false;
1248
1249                         RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1250                                 "%s ACT_ADDBAREQ From :%pM\n",
1251                                 is_tx ? "Tx" : "Rx", hdr->addr2);
1252                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "req\n",
1253                                 skb->data, skb->len);
1254                         if (!is_tx) {
1255                                 struct ieee80211_sta *sta = NULL;
1256                                 struct rtl_sta_info *sta_entry = NULL;
1257                                 struct rtl_tid_data *tid_data;
1258                                 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1259                                 u16 capab = 0, tid = 0;
1260
1261                                 rcu_read_lock();
1262                                 sta = rtl_find_sta(hw, hdr->addr3);
1263                                 if (sta == NULL) {
1264                                         RT_TRACE(rtlpriv, COMP_SEND | COMP_RECV,
1265                                                  DBG_DMESG, "sta is NULL\n");
1266                                         rcu_read_unlock();
1267                                         return true;
1268                                 }
1269
1270                                 sta_entry =
1271                                         (struct rtl_sta_info *)sta->drv_priv;
1272                                 if (!sta_entry) {
1273                                         rcu_read_unlock();
1274                                         return true;
1275                                 }
1276                                 capab =
1277                                   le16_to_cpu(mgmt->u.action.u.addba_req.capab);
1278                                 tid = (capab &
1279                                        IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
1280                                 tid_data = &sta_entry->tids[tid];
1281                                 if (tid_data->agg.rx_agg_state ==
1282                                     RTL_RX_AGG_START)
1283                                         process_agg_start(hw, hdr, tid);
1284                                 rcu_read_unlock();
1285                         }
1286                         break;
1287                 case ACT_ADDBARSP:
1288                         RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1289                                  "%s ACT_ADDBARSP From :%pM\n",
1290                                   is_tx ? "Tx" : "Rx", hdr->addr2);
1291                         break;
1292                 case ACT_DELBA:
1293                         RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1294                                  "ACT_ADDBADEL From :%pM\n", hdr->addr2);
1295                         break;
1296                 }
1297                 break;
1298         default:
1299                 break;
1300         }
1301
1302         return true;
1303 }
1304 EXPORT_SYMBOL_GPL(rtl_action_proc);
1305
1306 static void setup_arp_tx(struct rtl_priv *rtlpriv, struct rtl_ps_ctl *ppsc)
1307 {
1308         rtlpriv->ra.is_special_data = true;
1309         if (rtlpriv->cfg->ops->get_btc_status())
1310                 rtlpriv->btcoexist.btc_ops->btc_special_packet_notify(
1311                                         rtlpriv, 1);
1312         rtlpriv->enter_ps = false;
1313         schedule_work(&rtlpriv->works.lps_change_work);
1314         ppsc->last_delaylps_stamp_jiffies = jiffies;
1315 }
1316
1317 /*should call before software enc*/
1318 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
1319 {
1320         struct rtl_priv *rtlpriv = rtl_priv(hw);
1321         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1322         __le16 fc = rtl_get_fc(skb);
1323         u16 ether_type;
1324         u8 mac_hdr_len = ieee80211_get_hdrlen_from_skb(skb);
1325         u8 encrypt_header_len = 0;
1326         u8 offset;
1327         const struct iphdr *ip;
1328
1329         if (!ieee80211_is_data(fc))
1330                 goto end;
1331
1332         switch (rtlpriv->sec.pairwise_enc_algorithm) {
1333         case WEP40_ENCRYPTION:
1334         case WEP104_ENCRYPTION:
1335                 encrypt_header_len = 4;/*WEP_IV_LEN*/
1336                 break;
1337         case TKIP_ENCRYPTION:
1338                 encrypt_header_len = 8;/*TKIP_IV_LEN*/
1339                 break;
1340         case AESCCMP_ENCRYPTION:
1341                 encrypt_header_len = 8;/*CCMP_HDR_LEN;*/
1342                 break;
1343         default:
1344                 break;
1345         }
1346
1347         offset = mac_hdr_len + SNAP_SIZE + encrypt_header_len;
1348         ether_type = be16_to_cpup((__be16 *)(skb->data + offset));
1349
1350         if (ETH_P_IP == ether_type) {
1351                 ip = (struct iphdr *)((u8 *)skb->data + offset +
1352                      PROTOC_TYPE_SIZE);
1353                 if (IPPROTO_UDP == ip->protocol) {
1354                         struct udphdr *udp = (struct udphdr *)((u8 *)ip +
1355                                                                (ip->ihl << 2));
1356                         if (((((u8 *)udp)[1] == 68) &&
1357                              (((u8 *)udp)[3] == 67)) ||
1358                             ((((u8 *)udp)[1] == 67) &&
1359                              (((u8 *)udp)[3] == 68))) {
1360                                 /* 68 : UDP BOOTP client
1361                                  * 67 : UDP BOOTP server
1362                                  */
1363                                 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV),
1364                                          DBG_DMESG, "dhcp %s !!\n",
1365                                          (is_tx) ? "Tx" : "Rx");
1366
1367                                 if (is_tx)
1368                                         setup_arp_tx(rtlpriv, ppsc);
1369                                 return true;
1370                         }
1371                 }
1372         } else if (ETH_P_ARP == ether_type) {
1373                 if (is_tx)
1374                         setup_arp_tx(rtlpriv, ppsc);
1375
1376                 return true;
1377         } else if (ETH_P_PAE == ether_type) {
1378                 RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
1379                          "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx");
1380
1381                 if (is_tx) {
1382                         rtlpriv->ra.is_special_data = true;
1383                         rtlpriv->enter_ps = false;
1384                         schedule_work(&rtlpriv->works.lps_change_work);
1385                         ppsc->last_delaylps_stamp_jiffies = jiffies;
1386                 }
1387
1388                 return true;
1389         } else if (0x86DD == ether_type) {
1390                 return true;
1391         }
1392
1393 end:
1394         rtlpriv->ra.is_special_data = false;
1395         return false;
1396 }
1397 EXPORT_SYMBOL_GPL(rtl_is_special_data);
1398
1399 /*********************************************************
1400  *
1401  * functions called by core.c
1402  *
1403  *********************************************************/
1404 int rtl_tx_agg_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1405                      struct ieee80211_sta *sta, u16 tid, u16 *ssn)
1406 {
1407         struct rtl_priv *rtlpriv = rtl_priv(hw);
1408         struct rtl_tid_data *tid_data;
1409         struct rtl_sta_info *sta_entry = NULL;
1410
1411         if (sta == NULL)
1412                 return -EINVAL;
1413
1414         if (unlikely(tid >= MAX_TID_COUNT))
1415                 return -EINVAL;
1416
1417         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1418         if (!sta_entry)
1419                 return -ENXIO;
1420         tid_data = &sta_entry->tids[tid];
1421
1422         RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1423                  "on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1424                  tid_data->seq_number);
1425
1426         *ssn = tid_data->seq_number;
1427         tid_data->agg.agg_state = RTL_AGG_START;
1428
1429         ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1430         return 0;
1431 }
1432
1433 int rtl_tx_agg_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1434                     struct ieee80211_sta *sta, u16 tid)
1435 {
1436         struct rtl_priv *rtlpriv = rtl_priv(hw);
1437         struct rtl_tid_data *tid_data;
1438         struct rtl_sta_info *sta_entry = NULL;
1439
1440         if (sta == NULL)
1441                 return -EINVAL;
1442
1443         RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1444                  "on ra = %pM tid = %d\n", sta->addr, tid);
1445
1446         if (unlikely(tid >= MAX_TID_COUNT))
1447                 return -EINVAL;
1448
1449         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1450         tid_data = &sta_entry->tids[tid];
1451         sta_entry->tids[tid].agg.agg_state = RTL_AGG_STOP;
1452
1453         ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1454         return 0;
1455 }
1456
1457 int rtl_rx_agg_start(struct ieee80211_hw *hw,
1458                      struct ieee80211_sta *sta, u16 tid)
1459 {
1460         struct rtl_priv *rtlpriv = rtl_priv(hw);
1461         struct rtl_tid_data *tid_data;
1462         struct rtl_sta_info *sta_entry = NULL;
1463
1464         if (sta == NULL)
1465                 return -EINVAL;
1466
1467         if (unlikely(tid >= MAX_TID_COUNT))
1468                 return -EINVAL;
1469
1470         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1471         if (!sta_entry)
1472                 return -ENXIO;
1473         tid_data = &sta_entry->tids[tid];
1474
1475         RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG,
1476                  "on ra = %pM tid = %d seq:%d\n", sta->addr, tid,
1477                  tid_data->seq_number);
1478
1479         tid_data->agg.rx_agg_state = RTL_RX_AGG_START;
1480         return 0;
1481 }
1482
1483 int rtl_rx_agg_stop(struct ieee80211_hw *hw,
1484                     struct ieee80211_sta *sta, u16 tid)
1485 {
1486         struct rtl_priv *rtlpriv = rtl_priv(hw);
1487         struct rtl_sta_info *sta_entry = NULL;
1488
1489         if (sta == NULL)
1490                 return -EINVAL;
1491
1492         RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1493                  "on ra = %pM tid = %d\n", sta->addr, tid);
1494
1495         if (unlikely(tid >= MAX_TID_COUNT))
1496                 return -EINVAL;
1497
1498         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1499         sta_entry->tids[tid].agg.rx_agg_state = RTL_RX_AGG_STOP;
1500
1501         return 0;
1502 }
1503 int rtl_tx_agg_oper(struct ieee80211_hw *hw,
1504                 struct ieee80211_sta *sta, u16 tid)
1505 {
1506         struct rtl_priv *rtlpriv = rtl_priv(hw);
1507         struct rtl_sta_info *sta_entry = NULL;
1508
1509         if (sta == NULL)
1510                 return -EINVAL;
1511
1512         RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG,
1513                  "on ra = %pM tid = %d\n", sta->addr, tid);
1514
1515         if (unlikely(tid >= MAX_TID_COUNT))
1516                 return -EINVAL;
1517
1518         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1519         sta_entry->tids[tid].agg.agg_state = RTL_AGG_OPERATIONAL;
1520
1521         return 0;
1522 }
1523
1524 /*********************************************************
1525  *
1526  * wq & timer callback functions
1527  *
1528  *********************************************************/
1529 /* this function is used for roaming */
1530 void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
1531 {
1532         struct rtl_priv *rtlpriv = rtl_priv(hw);
1533         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1534
1535         if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
1536                 return;
1537
1538         if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1539                 return;
1540
1541         /* check if this really is a beacon */
1542         if (!ieee80211_is_beacon(hdr->frame_control) &&
1543             !ieee80211_is_probe_resp(hdr->frame_control))
1544                 return;
1545
1546         /* min. beacon length + FCS_LEN */
1547         if (skb->len <= 40 + FCS_LEN)
1548                 return;
1549
1550         /* and only beacons from the associated BSSID, please */
1551         if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
1552                 return;
1553
1554         rtlpriv->link_info.bcn_rx_inperiod++;
1555 }
1556 EXPORT_SYMBOL_GPL(rtl_beacon_statistic);
1557
1558 void rtl_watchdog_wq_callback(void *data)
1559 {
1560         struct rtl_works *rtlworks = container_of_dwork_rtl(data,
1561                                                             struct rtl_works,
1562                                                             watchdog_wq);
1563         struct ieee80211_hw *hw = rtlworks->hw;
1564         struct rtl_priv *rtlpriv = rtl_priv(hw);
1565         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1566         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1567         bool busytraffic = false;
1568         bool tx_busy_traffic = false;
1569         bool rx_busy_traffic = false;
1570         bool higher_busytraffic = false;
1571         bool higher_busyrxtraffic = false;
1572         u8 idx, tid;
1573         u32 rx_cnt_inp4eriod = 0;
1574         u32 tx_cnt_inp4eriod = 0;
1575         u32 aver_rx_cnt_inperiod = 0;
1576         u32 aver_tx_cnt_inperiod = 0;
1577         u32 aver_tidtx_inperiod[MAX_TID_COUNT] = {0};
1578         u32 tidtx_inp4eriod[MAX_TID_COUNT] = {0};
1579
1580         if (is_hal_stop(rtlhal))
1581                 return;
1582
1583         /* <1> Determine if action frame is allowed */
1584         if (mac->link_state > MAC80211_NOLINK) {
1585                 if (mac->cnt_after_linked < 20)
1586                         mac->cnt_after_linked++;
1587         } else {
1588                 mac->cnt_after_linked = 0;
1589         }
1590
1591         /* <2> to check if traffic busy, if
1592          * busytraffic we don't change channel
1593          */
1594         if (mac->link_state >= MAC80211_LINKED) {
1595
1596                 /* (1) get aver_rx_cnt_inperiod & aver_tx_cnt_inperiod */
1597                 for (idx = 0; idx <= 2; idx++) {
1598                         rtlpriv->link_info.num_rx_in4period[idx] =
1599                             rtlpriv->link_info.num_rx_in4period[idx + 1];
1600                         rtlpriv->link_info.num_tx_in4period[idx] =
1601                             rtlpriv->link_info.num_tx_in4period[idx + 1];
1602                 }
1603                 rtlpriv->link_info.num_rx_in4period[3] =
1604                     rtlpriv->link_info.num_rx_inperiod;
1605                 rtlpriv->link_info.num_tx_in4period[3] =
1606                     rtlpriv->link_info.num_tx_inperiod;
1607                 for (idx = 0; idx <= 3; idx++) {
1608                         rx_cnt_inp4eriod +=
1609                             rtlpriv->link_info.num_rx_in4period[idx];
1610                         tx_cnt_inp4eriod +=
1611                             rtlpriv->link_info.num_tx_in4period[idx];
1612                 }
1613                 aver_rx_cnt_inperiod = rx_cnt_inp4eriod / 4;
1614                 aver_tx_cnt_inperiod = tx_cnt_inp4eriod / 4;
1615
1616                 /* (2) check traffic busy */
1617                 if (aver_rx_cnt_inperiod > 100 || aver_tx_cnt_inperiod > 100) {
1618                         busytraffic = true;
1619                         if (aver_rx_cnt_inperiod > aver_tx_cnt_inperiod)
1620                                 rx_busy_traffic = true;
1621                         else
1622                                 tx_busy_traffic = false;
1623                 }
1624
1625                 /* Higher Tx/Rx data. */
1626                 if (aver_rx_cnt_inperiod > 4000 ||
1627                     aver_tx_cnt_inperiod > 4000) {
1628                         higher_busytraffic = true;
1629
1630                         /* Extremely high Rx data. */
1631                         if (aver_rx_cnt_inperiod > 5000)
1632                                 higher_busyrxtraffic = true;
1633                 }
1634
1635                 /* check every tid's tx traffic */
1636                 for (tid = 0; tid <= 7; tid++) {
1637                         for (idx = 0; idx <= 2; idx++)
1638                                 rtlpriv->link_info.tidtx_in4period[tid][idx] =
1639                                         rtlpriv->link_info.tidtx_in4period[tid]
1640                                         [idx + 1];
1641                         rtlpriv->link_info.tidtx_in4period[tid][3] =
1642                                 rtlpriv->link_info.tidtx_inperiod[tid];
1643
1644                         for (idx = 0; idx <= 3; idx++)
1645                                 tidtx_inp4eriod[tid] +=
1646                                    rtlpriv->link_info.tidtx_in4period[tid][idx];
1647                         aver_tidtx_inperiod[tid] = tidtx_inp4eriod[tid] / 4;
1648                         if (aver_tidtx_inperiod[tid] > 5000)
1649                                 rtlpriv->link_info.higher_busytxtraffic[tid] =
1650                                                                         true;
1651                         else
1652                                 rtlpriv->link_info.higher_busytxtraffic[tid] =
1653                                                                         false;
1654                 }
1655
1656                 if (((rtlpriv->link_info.num_rx_inperiod +
1657                       rtlpriv->link_info.num_tx_inperiod) > 8) ||
1658                     (rtlpriv->link_info.num_rx_inperiod > 2))
1659                         rtl_lps_enter(hw);
1660                 else
1661                         rtl_lps_leave(hw);
1662         }
1663
1664         rtlpriv->link_info.num_rx_inperiod = 0;
1665         rtlpriv->link_info.num_tx_inperiod = 0;
1666         for (tid = 0; tid <= 7; tid++)
1667                 rtlpriv->link_info.tidtx_inperiod[tid] = 0;
1668
1669         rtlpriv->link_info.busytraffic = busytraffic;
1670         rtlpriv->link_info.higher_busytraffic = higher_busytraffic;
1671         rtlpriv->link_info.rx_busy_traffic = rx_busy_traffic;
1672         rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic;
1673         rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic;
1674
1675         /* <3> DM */
1676         if (!rtlpriv->cfg->mod_params->disable_watchdog)
1677                 rtlpriv->cfg->ops->dm_watchdog(hw);
1678
1679         /* <4> roaming */
1680         if (mac->link_state == MAC80211_LINKED &&
1681             mac->opmode == NL80211_IFTYPE_STATION) {
1682                 if ((rtlpriv->link_info.bcn_rx_inperiod +
1683                     rtlpriv->link_info.num_rx_inperiod) == 0) {
1684                         rtlpriv->link_info.roam_times++;
1685                         RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
1686                                  "AP off for %d s\n",
1687                                 (rtlpriv->link_info.roam_times * 2));
1688
1689                         /* if we can't recv beacon for 10s,
1690                          * we should reconnect this AP
1691                          */
1692                         if (rtlpriv->link_info.roam_times >= 5) {
1693                                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1694                                          "AP off, try to reconnect now\n");
1695                                 rtlpriv->link_info.roam_times = 0;
1696                                 ieee80211_connection_loss(
1697                                         rtlpriv->mac80211.vif);
1698                         }
1699                 } else {
1700                         rtlpriv->link_info.roam_times = 0;
1701                 }
1702         }
1703
1704         if (rtlpriv->cfg->ops->get_btc_status())
1705                 rtlpriv->btcoexist.btc_ops->btc_periodical(rtlpriv);
1706
1707         rtlpriv->link_info.bcn_rx_inperiod = 0;
1708 }
1709
1710 void rtl_watch_dog_timer_callback(unsigned long data)
1711 {
1712         struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1713         struct rtl_priv *rtlpriv = rtl_priv(hw);
1714
1715         queue_delayed_work(rtlpriv->works.rtl_wq,
1716                            &rtlpriv->works.watchdog_wq, 0);
1717
1718         mod_timer(&rtlpriv->works.watchdog_timer,
1719                   jiffies + MSECS(RTL_WATCH_DOG_TIME));
1720 }
1721 void rtl_fwevt_wq_callback(void *data)
1722 {
1723         struct rtl_works *rtlworks =
1724                 container_of_dwork_rtl(data, struct rtl_works, fwevt_wq);
1725         struct ieee80211_hw *hw = rtlworks->hw;
1726         struct rtl_priv *rtlpriv = rtl_priv(hw);
1727
1728         rtlpriv->cfg->ops->c2h_command_handle(hw);
1729 }
1730 void rtl_easy_concurrent_retrytimer_callback(unsigned long data)
1731 {
1732         struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
1733         struct rtl_priv *rtlpriv = rtl_priv(hw);
1734         struct rtl_priv *buddy_priv = rtlpriv->buddy_priv;
1735
1736         if (buddy_priv == NULL)
1737                 return;
1738
1739         rtlpriv->cfg->ops->dualmac_easy_concurrent(hw);
1740 }
1741 /*********************************************************
1742  *
1743  * frame process functions
1744  *
1745  *********************************************************/
1746 u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie)
1747 {
1748         struct ieee80211_mgmt *mgmt = (void *)data;
1749         u8 *pos, *end;
1750
1751         pos = (u8 *)mgmt->u.beacon.variable;
1752         end = data + len;
1753         while (pos < end) {
1754                 if (pos + 2 + pos[1] > end)
1755                         return NULL;
1756
1757                 if (pos[0] == ie)
1758                         return pos;
1759
1760                 pos += 2 + pos[1];
1761         }
1762         return NULL;
1763 }
1764
1765 /* when we use 2 rx ants we send IEEE80211_SMPS_OFF */
1766 /* when we use 1 rx ant we send IEEE80211_SMPS_STATIC */
1767 static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw,
1768                                      enum ieee80211_smps_mode smps,
1769                                      u8 *da, u8 *bssid)
1770 {
1771         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1772         struct sk_buff *skb;
1773         struct ieee80211_mgmt *action_frame;
1774
1775         /* 27 = header + category + action + smps mode */
1776         skb = dev_alloc_skb(27 + hw->extra_tx_headroom);
1777         if (!skb)
1778                 return NULL;
1779
1780         skb_reserve(skb, hw->extra_tx_headroom);
1781         action_frame = (void *)skb_put(skb, 27);
1782         memset(action_frame, 0, 27);
1783         memcpy(action_frame->da, da, ETH_ALEN);
1784         memcpy(action_frame->sa, rtlefuse->dev_addr, ETH_ALEN);
1785         memcpy(action_frame->bssid, bssid, ETH_ALEN);
1786         action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1787                                                   IEEE80211_STYPE_ACTION);
1788         action_frame->u.action.category = WLAN_CATEGORY_HT;
1789         action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
1790         switch (smps) {
1791         case IEEE80211_SMPS_AUTOMATIC:/* 0 */
1792         case IEEE80211_SMPS_NUM_MODES:/* 4 */
1793                 WARN_ON(1);
1794         /* Here will get a 'MISSING_BREAK' in Coverity Test, just ignore it.
1795          * According to Kernel Code, here is right.
1796          */
1797         case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/
1798                 action_frame->u.action.u.ht_smps.smps_control =
1799                                 WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */
1800                 break;
1801         case IEEE80211_SMPS_STATIC:/* 2 */ /*MIMO_PS_STATIC*/
1802                 action_frame->u.action.u.ht_smps.smps_control =
1803                                 WLAN_HT_SMPS_CONTROL_STATIC;/* 1 */
1804                 break;
1805         case IEEE80211_SMPS_DYNAMIC:/* 3 */ /*MIMO_PS_DYNAMIC*/
1806                 action_frame->u.action.u.ht_smps.smps_control =
1807                                 WLAN_HT_SMPS_CONTROL_DYNAMIC;/* 3 */
1808                 break;
1809         }
1810
1811         return skb;
1812 }
1813
1814 int rtl_send_smps_action(struct ieee80211_hw *hw,
1815                          struct ieee80211_sta *sta,
1816                          enum ieee80211_smps_mode smps)
1817 {
1818         struct rtl_priv *rtlpriv = rtl_priv(hw);
1819         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1820         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1821         struct sk_buff *skb = NULL;
1822         struct rtl_tcb_desc tcb_desc;
1823         u8 bssid[ETH_ALEN] = {0};
1824
1825         memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1826
1827         if (rtlpriv->mac80211.act_scanning)
1828                 goto err_free;
1829
1830         if (!sta)
1831                 goto err_free;
1832
1833         if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
1834                 goto err_free;
1835
1836         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1837                 goto err_free;
1838
1839         if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP)
1840                 memcpy(bssid, rtlpriv->efuse.dev_addr, ETH_ALEN);
1841         else
1842                 memcpy(bssid, rtlpriv->mac80211.bssid, ETH_ALEN);
1843
1844         skb = rtl_make_smps_action(hw, smps, sta->addr, bssid);
1845         /* this is a type = mgmt * stype = action frame */
1846         if (skb) {
1847                 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1848                 struct rtl_sta_info *sta_entry =
1849                         (struct rtl_sta_info *) sta->drv_priv;
1850                 sta_entry->mimo_ps = smps;
1851                 /* rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); */
1852
1853                 info->control.rates[0].idx = 0;
1854                 info->band = hw->conf.chandef.chan->band;
1855                 rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
1856         }
1857         return 1;
1858
1859 err_free:
1860         return 0;
1861 }
1862 EXPORT_SYMBOL(rtl_send_smps_action);
1863
1864 void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation)
1865 {
1866         struct rtl_priv *rtlpriv = rtl_priv(hw);
1867         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1868         enum io_type iotype;
1869
1870         if (!is_hal_stop(rtlhal)) {
1871                 switch (operation) {
1872                 case SCAN_OPT_BACKUP:
1873                         iotype = IO_CMD_PAUSE_DM_BY_SCAN;
1874                         rtlpriv->cfg->ops->set_hw_reg(hw,
1875                                                       HW_VAR_IO_CMD,
1876                                                       (u8 *)&iotype);
1877                         break;
1878                 case SCAN_OPT_RESTORE:
1879                         iotype = IO_CMD_RESUME_DM_BY_SCAN;
1880                         rtlpriv->cfg->ops->set_hw_reg(hw,
1881                                                       HW_VAR_IO_CMD,
1882                                                       (u8 *)&iotype);
1883                         break;
1884                 default:
1885                         RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1886                                  "Unknown Scan Backup operation.\n");
1887                         break;
1888                 }
1889         }
1890 }
1891 EXPORT_SYMBOL(rtl_phy_scan_operation_backup);
1892
1893 /* because mac80211 have issues when can receive del ba
1894  * so here we just make a fake del_ba if we receive a ba_req
1895  * but rx_agg was opened to let mac80211 release some ba
1896  * related resources, so please this del_ba for tx
1897  */
1898 struct sk_buff *rtl_make_del_ba(struct ieee80211_hw *hw,
1899                                 u8 *sa, u8 *bssid, u16 tid)
1900 {
1901         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1902         struct sk_buff *skb;
1903         struct ieee80211_mgmt *action_frame;
1904         u16 params;
1905
1906         /* 27 = header + category + action + smps mode */
1907         skb = dev_alloc_skb(34 + hw->extra_tx_headroom);
1908         if (!skb)
1909                 return NULL;
1910
1911         skb_reserve(skb, hw->extra_tx_headroom);
1912         action_frame = (void *)skb_put(skb, 34);
1913         memset(action_frame, 0, 34);
1914         memcpy(action_frame->sa, sa, ETH_ALEN);
1915         memcpy(action_frame->da, rtlefuse->dev_addr, ETH_ALEN);
1916         memcpy(action_frame->bssid, bssid, ETH_ALEN);
1917         action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1918                                                   IEEE80211_STYPE_ACTION);
1919         action_frame->u.action.category = WLAN_CATEGORY_BACK;
1920         action_frame->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
1921         params = (u16)(1 << 11);        /* bit 11 initiator */
1922         params |= (u16)(tid << 12);     /* bit 15:12 TID number */
1923
1924         action_frame->u.action.u.delba.params = cpu_to_le16(params);
1925         action_frame->u.action.u.delba.reason_code =
1926                 cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT);
1927
1928         return skb;
1929 }
1930
1931 /*********************************************************
1932  *
1933  * IOT functions
1934  *
1935  *********************************************************/
1936 static bool rtl_chk_vendor_ouisub(struct ieee80211_hw *hw,
1937                                   struct octet_string vendor_ie)
1938 {
1939         struct rtl_priv *rtlpriv = rtl_priv(hw);
1940         bool matched = false;
1941         static u8 athcap_1[] = { 0x00, 0x03, 0x7F };
1942         static u8 athcap_2[] = { 0x00, 0x13, 0x74 };
1943         static u8 broadcap_1[] = { 0x00, 0x10, 0x18 };
1944         static u8 broadcap_2[] = { 0x00, 0x0a, 0xf7 };
1945         static u8 broadcap_3[] = { 0x00, 0x05, 0xb5 };
1946         static u8 racap[] = { 0x00, 0x0c, 0x43 };
1947         static u8 ciscocap[] = { 0x00, 0x40, 0x96 };
1948         static u8 marvcap[] = { 0x00, 0x50, 0x43 };
1949
1950         if (memcmp(vendor_ie.octet, athcap_1, 3) == 0 ||
1951                 memcmp(vendor_ie.octet, athcap_2, 3) == 0) {
1952                 rtlpriv->mac80211.vendor = PEER_ATH;
1953                 matched = true;
1954         } else if (memcmp(vendor_ie.octet, broadcap_1, 3) == 0 ||
1955                 memcmp(vendor_ie.octet, broadcap_2, 3) == 0 ||
1956                 memcmp(vendor_ie.octet, broadcap_3, 3) == 0) {
1957                 rtlpriv->mac80211.vendor = PEER_BROAD;
1958                 matched = true;
1959         } else if (memcmp(vendor_ie.octet, racap, 3) == 0) {
1960                 rtlpriv->mac80211.vendor = PEER_RAL;
1961                 matched = true;
1962         } else if (memcmp(vendor_ie.octet, ciscocap, 3) == 0) {
1963                 rtlpriv->mac80211.vendor = PEER_CISCO;
1964                 matched = true;
1965         } else if (memcmp(vendor_ie.octet, marvcap, 3) == 0) {
1966                 rtlpriv->mac80211.vendor = PEER_MARV;
1967                 matched = true;
1968         }
1969
1970         return matched;
1971 }
1972
1973 static bool rtl_find_221_ie(struct ieee80211_hw *hw, u8 *data,
1974                 unsigned int len)
1975 {
1976         struct ieee80211_mgmt *mgmt = (void *)data;
1977         struct octet_string vendor_ie;
1978         u8 *pos, *end;
1979
1980         pos = (u8 *)mgmt->u.beacon.variable;
1981         end = data + len;
1982         while (pos < end) {
1983                 if (pos[0] == 221) {
1984                         vendor_ie.length = pos[1];
1985                         vendor_ie.octet = &pos[2];
1986                         if (rtl_chk_vendor_ouisub(hw, vendor_ie))
1987                                 return true;
1988                 }
1989
1990                 if (pos + 2 + pos[1] > end)
1991                         return false;
1992
1993                 pos += 2 + pos[1];
1994         }
1995         return false;
1996 }
1997
1998 void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
1999 {
2000         struct rtl_priv *rtlpriv = rtl_priv(hw);
2001         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
2002         struct ieee80211_hdr *hdr = (void *)data;
2003         u32 vendor = PEER_UNKNOWN;
2004
2005         static u8 ap3_1[3] = { 0x00, 0x14, 0xbf };
2006         static u8 ap3_2[3] = { 0x00, 0x1a, 0x70 };
2007         static u8 ap3_3[3] = { 0x00, 0x1d, 0x7e };
2008         static u8 ap4_1[3] = { 0x00, 0x90, 0xcc };
2009         static u8 ap4_2[3] = { 0x00, 0x0e, 0x2e };
2010         static u8 ap4_3[3] = { 0x00, 0x18, 0x02 };
2011         static u8 ap4_4[3] = { 0x00, 0x17, 0x3f };
2012         static u8 ap4_5[3] = { 0x00, 0x1c, 0xdf };
2013         static u8 ap5_1[3] = { 0x00, 0x1c, 0xf0 };
2014         static u8 ap5_2[3] = { 0x00, 0x21, 0x91 };
2015         static u8 ap5_3[3] = { 0x00, 0x24, 0x01 };
2016         static u8 ap5_4[3] = { 0x00, 0x15, 0xe9 };
2017         static u8 ap5_5[3] = { 0x00, 0x17, 0x9A };
2018         static u8 ap5_6[3] = { 0x00, 0x18, 0xE7 };
2019         static u8 ap6_1[3] = { 0x00, 0x17, 0x94 };
2020         static u8 ap7_1[3] = { 0x00, 0x14, 0xa4 };
2021
2022         if (mac->opmode != NL80211_IFTYPE_STATION)
2023                 return;
2024
2025         if (mac->link_state == MAC80211_NOLINK) {
2026                 mac->vendor = PEER_UNKNOWN;
2027                 return;
2028         }
2029
2030         if (mac->cnt_after_linked > 2)
2031                 return;
2032
2033         /* check if this really is a beacon */
2034         if (!ieee80211_is_beacon(hdr->frame_control))
2035                 return;
2036
2037         /* min. beacon length + FCS_LEN */
2038         if (len <= 40 + FCS_LEN)
2039                 return;
2040
2041         /* and only beacons from the associated BSSID, please */
2042         if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
2043                 return;
2044
2045         if (rtl_find_221_ie(hw, data, len))
2046                 vendor = mac->vendor;
2047
2048         if ((memcmp(mac->bssid, ap5_1, 3) == 0) ||
2049                 (memcmp(mac->bssid, ap5_2, 3) == 0) ||
2050                 (memcmp(mac->bssid, ap5_3, 3) == 0) ||
2051                 (memcmp(mac->bssid, ap5_4, 3) == 0) ||
2052                 (memcmp(mac->bssid, ap5_5, 3) == 0) ||
2053                 (memcmp(mac->bssid, ap5_6, 3) == 0) ||
2054                 vendor == PEER_ATH) {
2055                 vendor = PEER_ATH;
2056                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ath find\n");
2057         } else if ((memcmp(mac->bssid, ap4_4, 3) == 0) ||
2058                 (memcmp(mac->bssid, ap4_5, 3) == 0) ||
2059                 (memcmp(mac->bssid, ap4_1, 3) == 0) ||
2060                 (memcmp(mac->bssid, ap4_2, 3) == 0) ||
2061                 (memcmp(mac->bssid, ap4_3, 3) == 0) ||
2062                 vendor == PEER_RAL) {
2063                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>ral find\n");
2064                 vendor = PEER_RAL;
2065         } else if (memcmp(mac->bssid, ap6_1, 3) == 0 ||
2066                 vendor == PEER_CISCO) {
2067                 vendor = PEER_CISCO;
2068                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>cisco find\n");
2069         } else if ((memcmp(mac->bssid, ap3_1, 3) == 0) ||
2070                 (memcmp(mac->bssid, ap3_2, 3) == 0) ||
2071                 (memcmp(mac->bssid, ap3_3, 3) == 0) ||
2072                 vendor == PEER_BROAD) {
2073                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>broad find\n");
2074                 vendor = PEER_BROAD;
2075         } else if (memcmp(mac->bssid, ap7_1, 3) == 0 ||
2076                 vendor == PEER_MARV) {
2077                 vendor = PEER_MARV;
2078                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "=>marv find\n");
2079         }
2080
2081         mac->vendor = vendor;
2082 }
2083 EXPORT_SYMBOL_GPL(rtl_recognize_peer);
2084
2085 /*********************************************************
2086  *
2087  * sysfs functions
2088  *
2089  *********************************************************/
2090 static ssize_t rtl_show_debug_level(struct device *d,
2091                                     struct device_attribute *attr, char *buf)
2092 {
2093         struct ieee80211_hw *hw = dev_get_drvdata(d);
2094         struct rtl_priv *rtlpriv = rtl_priv(hw);
2095
2096         return sprintf(buf, "0x%08X\n", rtlpriv->dbg.global_debuglevel);
2097 }
2098
2099 static ssize_t rtl_store_debug_level(struct device *d,
2100                                      struct device_attribute *attr,
2101                                      const char *buf, size_t count)
2102 {
2103         struct ieee80211_hw *hw = dev_get_drvdata(d);
2104         struct rtl_priv *rtlpriv = rtl_priv(hw);
2105         unsigned long val;
2106         int ret;
2107
2108         ret = kstrtoul(buf, 0, &val);
2109         if (ret) {
2110                 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
2111                          "%s is not in hex or decimal form.\n", buf);
2112         } else {
2113                 rtlpriv->dbg.global_debuglevel = val;
2114                 RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
2115                          "debuglevel:%x\n",
2116                          rtlpriv->dbg.global_debuglevel);
2117         }
2118
2119         return strnlen(buf, count);
2120 }
2121
2122 static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO,
2123                    rtl_show_debug_level, rtl_store_debug_level);
2124
2125 static struct attribute *rtl_sysfs_entries[] = {
2126
2127         &dev_attr_debug_level.attr,
2128
2129         NULL
2130 };
2131
2132 /*
2133  * "name" is folder name witch will be
2134  * put in device directory like :
2135  * sys/devices/pci0000:00/0000:00:1c.4/
2136  * 0000:06:00.0/rtl_sysfs
2137  */
2138 struct attribute_group rtl_attribute_group = {
2139         .name = "rtlsysfs",
2140         .attrs = rtl_sysfs_entries,
2141 };
2142 EXPORT_SYMBOL_GPL(rtl_attribute_group);
2143
2144 MODULE_AUTHOR("lizhaoming       <chaoming_li@realsil.com.cn>");
2145 MODULE_AUTHOR("Realtek WlanFAE  <wlanfae@realtek.com>");
2146 MODULE_AUTHOR("Larry Finger     <Larry.FInger@lwfinger.net>");
2147 MODULE_LICENSE("GPL");
2148 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
2149
2150 struct rtl_global_var rtl_global_var = {};
2151 EXPORT_SYMBOL_GPL(rtl_global_var);
2152
2153 static int __init rtl_core_module_init(void)
2154 {
2155         if (rtl_rate_control_register())
2156                 pr_err("rtl: Unable to register rtl_rc, use default RC !!\n");
2157
2158         /* init some global vars */
2159         INIT_LIST_HEAD(&rtl_global_var.glb_priv_list);
2160         spin_lock_init(&rtl_global_var.glb_list_lock);
2161
2162         return 0;
2163 }
2164
2165 static void __exit rtl_core_module_exit(void)
2166 {
2167         /*RC*/
2168         rtl_rate_control_unregister();
2169 }
2170
2171 module_init(rtl_core_module_init);
2172 module_exit(rtl_core_module_exit);