drivers/staging/rtl8821ae/core.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2010  Realtek Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  * wlanfae <wlanfae@realtek.com>
  23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24  * Hsinchu 300, Taiwan.
  25  *
  26  * Larry Finger <Larry.Finger@lwfinger.net>
  27  *
  28  *****************************************************************************/
  29
  30 #include "wifi.h"
  31 #include "core.h"
  32 #include "cam.h"
  33 #include "base.h"
  34 #include "ps.h"
  35
  36 #include "btcoexist/rtl_btc.h"
  37
  38 /*mutex for start & stop is must here. */
  39 static int rtl_op_start(struct ieee80211_hw *hw)
  40 {
  41         int err = 0;
  42         struct rtl_priv *rtlpriv = rtl_priv(hw);
  43         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  44
  45         if (!is_hal_stop(rtlhal))
  46                 return 0;
  47         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
  48                 return 0;
  49         mutex_lock(&rtlpriv->locks.conf_mutex);
  50         err = rtlpriv->intf_ops->adapter_start(hw);
  51         if (err)
  52                 goto out;
  53         rtl_watch_dog_timer_callback((unsigned long)hw);
  54
  55 out:
  56         mutex_unlock(&rtlpriv->locks.conf_mutex);
  57         return err;
  58 }
  59
  60 static void rtl_op_stop(struct ieee80211_hw *hw)
  61 {
  62         struct rtl_priv *rtlpriv = rtl_priv(hw);
  63         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  64         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  65         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
  66
  67         if (is_hal_stop(rtlhal))
  68                 return;
  69
  70         /* here is must, because adhoc do stop and start,
  71          * but stop with RFOFF may cause something wrong,
  72          * like adhoc TP */
  73         if (unlikely(ppsc->rfpwr_state == ERFOFF))
  74                 rtl_ips_nic_on(hw);
  75
  76         mutex_lock(&rtlpriv->locks.conf_mutex);
  77
  78         mac->link_state = MAC80211_NOLINK;
  79         memset(mac->bssid, 0, 6);
  80         mac->vendor = PEER_UNKNOWN;
  81
  82         /*reset sec info */
  83         rtl_cam_reset_sec_info(hw);
  84
  85         rtl_deinit_deferred_work(hw);
  86         rtlpriv->intf_ops->adapter_stop(hw);
  87
  88         mutex_unlock(&rtlpriv->locks.conf_mutex);
  89 }
  90
  91 static void rtl_op_tx(struct ieee80211_hw *hw,
  92                       struct ieee80211_tx_control *control,
  93                       struct sk_buff *skb)
  94 {
  95         struct rtl_priv *rtlpriv = rtl_priv(hw);
  96         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  97         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
  98         struct rtl_tcb_desc tcb_desc;
  99         memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 100
 101         if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
 102                 goto err_free;
 103
 104         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 105                 goto err_free;
 106
 107         if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
 108                 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
 109         return;
 110
 111 err_free:
 112         dev_kfree_skb_any(skb);
 113         return;
 114 }
 115
 116 static int rtl_op_add_interface(struct ieee80211_hw *hw,
 117                 struct ieee80211_vif *vif)
 118 {
 119         struct rtl_priv *rtlpriv = rtl_priv(hw);
 120         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 121         int err = 0;
 122
 123         if (mac->vif) {
 124                 RT_TRACE(COMP_ERR, DBG_WARNING,
 125                          ("vif has been set!! mac->vif = 0x%p\n", mac->vif));
 126                 return -EOPNOTSUPP;
 127         }
 128
 129         vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
 130
 131         rtl_ips_nic_on(hw);
 132
 133         mutex_lock(&rtlpriv->locks.conf_mutex);
 134         switch (ieee80211_vif_type_p2p(vif)) {
 135         case NL80211_IFTYPE_P2P_CLIENT:
 136                 mac->p2p = P2P_ROLE_CLIENT;
 137                 /*fall through*/
 138         case NL80211_IFTYPE_STATION:
 139                 if (mac->beacon_enabled == 1) {
 140                         RT_TRACE(COMP_MAC80211, DBG_LOUD,
 141                                  ("NL80211_IFTYPE_STATION \n"));
 142                         mac->beacon_enabled = 0;
 143                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 144                                         rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 145                 }
 146                 break;
 147         case NL80211_IFTYPE_ADHOC:
 148                 RT_TRACE(COMP_MAC80211, DBG_LOUD,
 149                          ("NL80211_IFTYPE_ADHOC \n"));
 150
 151                 mac->link_state = MAC80211_LINKED;
 152                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 153                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 154                         mac->basic_rates = 0xfff;
 155                 else
 156                         mac->basic_rates = 0xff0;
 157                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 158                                 (u8 *) (&mac->basic_rates));
 159
 160                 break;
 161         case NL80211_IFTYPE_P2P_GO:
 162                 mac->p2p = P2P_ROLE_GO;
 163                 /*fall through*/
 164         case NL80211_IFTYPE_AP:
 165                 RT_TRACE(COMP_MAC80211, DBG_LOUD,
 166                          ("NL80211_IFTYPE_AP \n"));
 167
 168                 mac->link_state = MAC80211_LINKED;
 169                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 170                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 171                         mac->basic_rates = 0xfff;
 172                 else
 173                         mac->basic_rates = 0xff0;
 174                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 175                                               (u8 *) (&mac->basic_rates));
 176                 break;
 177         case NL80211_IFTYPE_MESH_POINT:
 178                 RT_TRACE(COMP_MAC80211, DBG_LOUD,
 179                          ("NL80211_IFTYPE_MESH_POINT \n"));
 180
 181                 mac->link_state = MAC80211_LINKED;
 182                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 183                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 184                         mac->basic_rates = 0xfff;
 185                 else
 186                         mac->basic_rates = 0xff0;
 187                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 188                                 (u8 *) (&mac->basic_rates));
 189                 break;
 190         default:
 191                 RT_TRACE(COMP_ERR, DBG_EMERG,
 192                          ("operation mode %d is not support!\n", vif->type));
 193                 err = -EOPNOTSUPP;
 194                 goto out;
 195         }
 196
 197 #ifdef VIF_TODO
 198         if (!rtl_set_vif_info(hw, vif))
 199                 goto out;
 200 #endif
 201
 202         if (mac->p2p) {
 203                 RT_TRACE(COMP_MAC80211, DBG_LOUD,
 204                          ("p2p role %x \n",vif->type));
 205                 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
 206                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 207                                 (u8 *) (&mac->basic_rates));
 208         }
 209         mac->vif = vif;
 210         mac->opmode = vif->type;
 211         rtlpriv->cfg->ops->set_network_type(hw, vif->type);
 212         memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
 213         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
 214
 215 out:
 216         mutex_unlock(&rtlpriv->locks.conf_mutex);
 217         return err;
 218 }
 219
 220 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
 221                 struct ieee80211_vif *vif)
 222 {
 223         struct rtl_priv *rtlpriv = rtl_priv(hw);
 224         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 225
 226         mutex_lock(&rtlpriv->locks.conf_mutex);
 227
 228         /* Free beacon resources */
 229         if ((vif->type == NL80211_IFTYPE_AP) ||
 230             (vif->type == NL80211_IFTYPE_ADHOC) ||
 231             (vif->type == NL80211_IFTYPE_MESH_POINT)) {
 232                 if (mac->beacon_enabled == 1) {
 233                         mac->beacon_enabled = 0;
 234                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 235                                         rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 236                 }
 237         }
 238
 239         /*
 240          *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
 241          *NO LINK for our hardware.
 242          */
 243         mac->p2p = 0;
 244         mac->vif = NULL;
 245         mac->link_state = MAC80211_NOLINK;
 246         memset(mac->bssid, 0, 6);
 247         mac->vendor = PEER_UNKNOWN;
 248         mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
 249         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
 250
 251         mutex_unlock(&rtlpriv->locks.conf_mutex);
 252 }
 253
 254 static int rtl_op_change_interface(struct ieee80211_hw *hw,
 255                                    struct ieee80211_vif *vif,
 256                                    enum nl80211_iftype new_type, bool p2p)
 257 {
 258         struct rtl_priv *rtlpriv = rtl_priv(hw);
 259         int ret;
 260         rtl_op_remove_interface(hw, vif);
 261
 262         vif->type = new_type;
 263         vif->p2p = p2p;
 264         ret = rtl_op_add_interface(hw, vif);
 265         RT_TRACE(COMP_MAC80211, DBG_LOUD,
 266                  (" p2p  %x\n",p2p));
 267         return ret;
 268 }
 269
 270 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
 271 {
 272         struct rtl_priv *rtlpriv = rtl_priv(hw);
 273         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 274         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 275         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 276         struct ieee80211_conf *conf = &hw->conf;
 277
 278         if (mac->skip_scan)
 279                 return 1;
 280
 281
 282         mutex_lock(&rtlpriv->locks.conf_mutex);
 283         if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {  /* BIT(2) */
 284                 RT_TRACE(COMP_MAC80211, DBG_LOUD,
 285                          ("IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"));
 286         }
 287
 288         /*For IPS */
 289         if (changed & IEEE80211_CONF_CHANGE_IDLE) {
 290                 if (hw->conf.flags & IEEE80211_CONF_IDLE)
 291                         rtl_ips_nic_off(hw);
 292                 else
 293                         rtl_ips_nic_on(hw);
 294         } else {
 295                 /*
 296                  *although rfoff may not cause by ips, but we will
 297                  *check the reason in set_rf_power_state function
 298                  */
 299                 if (unlikely(ppsc->rfpwr_state == ERFOFF))
 300                         rtl_ips_nic_on(hw);
 301         }
 302
 303         /*For LPS */
 304         if (changed & IEEE80211_CONF_CHANGE_PS) {
 305                 cancel_delayed_work(&rtlpriv->works.ps_work);
 306                 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 307                 if (conf->flags & IEEE80211_CONF_PS) {
 308                         rtlpriv->psc.sw_ps_enabled = true;
 309                         /* sleep here is must, or we may recv the beacon and
 310                          * cause mac80211 into wrong ps state, this will cause
 311                          * power save nullfunc send fail, and further cause
 312                          * pkt loss, So sleep must quickly but not immediately
 313                          * because that will cause nullfunc send by mac80211
 314                          * fail, and cause pkt loss, we have tested that 5mA
 315                          * is worked very well */
 316                         if (!rtlpriv->psc.multi_buffered)
 317                                 queue_delayed_work(rtlpriv->works.rtl_wq,
 318                                                    &rtlpriv->works.ps_work,
 319                                                    MSECS(5));
 320                 } else {
 321                         rtl_swlps_rf_awake(hw);
 322                         rtlpriv->psc.sw_ps_enabled = false;
 323                 }
 324         }
 325
 326         if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
 327                 RT_TRACE(COMP_MAC80211, DBG_LOUD,
 328                          ("IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
 329                           hw->conf.long_frame_max_tx_count));
 330                 mac->retry_long = hw->conf.long_frame_max_tx_count;
 331                 mac->retry_short = hw->conf.long_frame_max_tx_count;
 332                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 333                                 (u8 *) (&hw->conf.long_frame_max_tx_count));
 334         }
 335
 336         if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
 337                 struct ieee80211_channel *channel = hw->conf.chandef.chan;
 338                 enum nl80211_channel_type channel_type =
 339                                 cfg80211_get_chandef_type(&(hw->conf.chandef));
 340                 u8 wide_chan = (u8) channel->hw_value;
 341
 342                 if (mac->act_scanning)
 343                         mac->n_channels++;
 344
 345                 if (rtlpriv->dm.supp_phymode_switch &&
 346                         mac->link_state < MAC80211_LINKED &&
 347                         !mac->act_scanning) {
 348                         if (rtlpriv->cfg->ops->check_switch_to_dmdp)
 349                                 rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
 350                 }
 351
 352                 /*
 353                  *because we should back channel to
 354                  *current_network.chan in in scanning,
 355                  *So if set_chan == current_network.chan
 356                  *we should set it.
 357                  *because mac80211 tell us wrong bw40
 358                  *info for cisco1253 bw20, so we modify
 359                  *it here based on UPPER & LOWER
 360                  */
 361                 switch (channel_type) {
 362                         case NL80211_CHAN_HT20:
 363                         case NL80211_CHAN_NO_HT:
 364                                 /* SC */
 365                                 mac->cur_40_prime_sc =
 366                                         PRIME_CHNL_OFFSET_DONT_CARE;
 367                                 rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20;
 368                                 mac->bw_40 = false;
 369                                 break;
 370                         case NL80211_CHAN_HT40MINUS:
 371                                 /* SC */
 372                                 mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER;
 373                                 rtlphy->current_chan_bw =
 374                                         HT_CHANNEL_WIDTH_20_40;
 375                                 mac->bw_40 = true;
 376
 377                                 /*wide channel */
 378                                 wide_chan -= 2;
 379
 380                                 break;
 381                         case NL80211_CHAN_HT40PLUS:
 382                                 /* SC */
 383                                 mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER;
 384                                 rtlphy->current_chan_bw =
 385                                         HT_CHANNEL_WIDTH_20_40;
 386                                 mac->bw_40 = true;
 387
 388                                 /*wide channel */
 389                                 wide_chan += 2;
 390
 391                                 break;
 392                         default:
 393                                 mac->bw_40 = false;
 394                                 RT_TRACE(COMP_ERR, DBG_EMERG,
 395                                                 ("switch case not processed \n"));
 396                                 break;
 397                 }
 398
 399                 if (wide_chan <= 0)
 400                         wide_chan = 1;
 401
 402                 /* in scanning, when before we offchannel we may send a ps=1
 403                  * null to AP, and then we may send a ps = 0 null to AP quickly,
 404                  * but first null have cause AP's put lots of packet to hw tx
 405                  * buffer, these packet must be tx before off channel so we must
 406                  * delay more time to let AP flush these packets before
 407                  * offchannel, or dis-association or delete BA will happen by AP
 408                  */
 409                 if (rtlpriv->mac80211.offchan_deley) {
 410                         rtlpriv->mac80211.offchan_deley = false;
 411                         mdelay(50);
 412                 }
 413
 414                 rtlphy->current_channel = wide_chan;
 415
 416                 rtlpriv->cfg->ops->switch_channel(hw);
 417                 rtlpriv->cfg->ops->set_channel_access(hw);
 418                 rtlpriv->cfg->ops->set_bw_mode(hw,
 419                         channel_type);
 420         }
 421
 422         mutex_unlock(&rtlpriv->locks.conf_mutex);
 423
 424         return 0;
 425 }
 426
 427 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
 428                                     unsigned int changed_flags,
 429                                     unsigned int *new_flags, u64 multicast)
 430 {
 431         struct rtl_priv *rtlpriv = rtl_priv(hw);
 432         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 433
 434         *new_flags &= RTL_SUPPORTED_FILTERS;
 435         if (0 == changed_flags)
 436                 return;
 437
 438         /*TODO: we disable broadcase now, so enable here */
 439         if (changed_flags & FIF_ALLMULTI) {
 440                 if (*new_flags & FIF_ALLMULTI) {
 441                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
 442                             rtlpriv->cfg->maps[MAC_RCR_AB];
 443                         RT_TRACE(COMP_MAC80211, DBG_LOUD,
 444                                  ("Enable receive multicast frame.\n"));
 445                 } else {
 446                         mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
 447                                           rtlpriv->cfg->maps[MAC_RCR_AB]);
 448                         RT_TRACE(COMP_MAC80211, DBG_LOUD,
 449                                  ("Disable receive multicast frame.\n"));
 450                 }
 451         }
 452
 453         if (changed_flags & FIF_FCSFAIL) {
 454                 if (*new_flags & FIF_FCSFAIL) {
 455                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 456                         RT_TRACE(COMP_MAC80211, DBG_LOUD,
 457                                  ("Enable receive FCS error frame.\n"));
 458                 } else {
 459                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 460                         RT_TRACE(COMP_MAC80211, DBG_LOUD,
 461                                  ("Disable receive FCS error frame.\n"));
 462                 }
 463         }
 464
 465         /* if ssid not set to hw don't check bssid
 466          * here just used for linked scanning, & linked
 467          * and nolink check bssid is set in set network_type */
 468         if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
 469                 (mac->link_state >= MAC80211_LINKED)) {
 470                 if (mac->opmode != NL80211_IFTYPE_AP &&
 471                         mac->opmode != NL80211_IFTYPE_MESH_POINT) {
 472                         if (*new_flags & FIF_BCN_PRBRESP_PROMISC) {
 473                                 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
 474                         } else {
 475                                 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
 476                         }
 477                 }
 478         }
 479
 480         if (changed_flags & FIF_CONTROL) {
 481                 if (*new_flags & FIF_CONTROL) {
 482                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
 483
 484                         RT_TRACE(COMP_MAC80211, DBG_LOUD,
 485                                  ("Enable receive control frame.\n"));
 486                 } else {
 487                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
 488                         RT_TRACE(COMP_MAC80211, DBG_LOUD,
 489                                  ("Disable receive control frame.\n"));
 490                 }
 491         }
 492
 493         if (changed_flags & FIF_OTHER_BSS) {
 494                 if (*new_flags & FIF_OTHER_BSS) {
 495                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
 496                         RT_TRACE(COMP_MAC80211, DBG_LOUD,
 497                                  ("Enable receive other BSS's frame.\n"));
 498                 } else {
 499                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
 500                         RT_TRACE(COMP_MAC80211, DBG_LOUD,
 501                                  ("Disable receive other BSS's frame.\n"));
 502                 }
 503         }
 504 }
 505 static int rtl_op_sta_add(struct ieee80211_hw *hw,
 506                          struct ieee80211_vif *vif,
 507                          struct ieee80211_sta *sta)
 508 {
 509         struct rtl_priv *rtlpriv = rtl_priv(hw);
 510         struct rtl_hal *rtlhal= rtl_hal(rtl_priv(hw));
 511         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 512         struct rtl_sta_info *sta_entry;
 513
 514         if (sta) {
 515                 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
 516                 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 517                 list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
 518                 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 519                 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 520                         sta_entry->wireless_mode = WIRELESS_MODE_G;
 521                         if (sta->supp_rates[0] <= 0xf)
 522                                 sta_entry->wireless_mode = WIRELESS_MODE_B;
 523                         if (sta->ht_cap.ht_supported == true)
 524                                 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
 525
 526                         if (vif->type == NL80211_IFTYPE_ADHOC)
 527                                 sta_entry->wireless_mode = WIRELESS_MODE_G;
 528                 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
 529                         sta_entry->wireless_mode = WIRELESS_MODE_A;
 530                         if (sta->ht_cap.ht_supported == true)
 531                                 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
 532
 533                         if (vif->type == NL80211_IFTYPE_ADHOC)
 534                                 sta_entry->wireless_mode = WIRELESS_MODE_A;
 535                 }
 536                 /*disable cck rate for p2p*/
 537                 if (mac->p2p)
 538                         sta->supp_rates[0] &= 0xfffffff0;
 539
 540                 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
 541                 RT_TRACE(COMP_MAC80211, DBG_DMESG,
 542                         ("Add sta addr is %pM\n",sta->addr));
 543                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
 544         }
 545
 546         return 0;
 547 }
 548
 549 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
 550                                 struct ieee80211_vif *vif,
 551                                 struct ieee80211_sta *sta)
 552 {
 553         struct rtl_priv *rtlpriv = rtl_priv(hw);
 554         struct rtl_sta_info *sta_entry;
 555         if (sta) {
 556                 RT_TRACE(COMP_MAC80211, DBG_DMESG,
 557                         ("Remove sta addr is %pM\n",sta->addr));
 558                 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
 559                 sta_entry->wireless_mode = 0;
 560                 sta_entry->ratr_index = 0;
 561                 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 562                 list_del(&sta_entry->list);
 563                 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 564         }
 565         return 0;
 566 }
 567 static int _rtl_get_hal_qnum(u16 queue)
 568 {
 569         int qnum;
 570
 571         switch (queue) {
 572         case 0:
 573                 qnum = AC3_VO;
 574                 break;
 575         case 1:
 576                 qnum = AC2_VI;
 577                 break;
 578         case 2:
 579                 qnum = AC0_BE;
 580                 break;
 581         case 3:
 582                 qnum = AC1_BK;
 583                 break;
 584         default:
 585                 qnum = AC0_BE;
 586                 break;
 587         }
 588         return qnum;
 589 }
 590
 591 /*
 592  *for mac80211 VO=0, VI=1, BE=2, BK=3
 593  *for rtl819x  BE=0, BK=1, VI=2, VO=3
 594  */
 595 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
 596                           struct ieee80211_vif *vif, u16 queue,
 597                           const struct ieee80211_tx_queue_params *param)
 598 {
 599         struct rtl_priv *rtlpriv = rtl_priv(hw);
 600         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 601         int aci;
 602
 603         if (queue >= AC_MAX) {
 604                 RT_TRACE(COMP_ERR, DBG_WARNING,
 605                          ("queue number %d is incorrect!\n", queue));
 606                 return -EINVAL;
 607         }
 608
 609         aci = _rtl_get_hal_qnum(queue);
 610         mac->ac[aci].aifs = param->aifs;
 611         mac->ac[aci].cw_min = param->cw_min;
 612         mac->ac[aci].cw_max = param->cw_max;
 613         mac->ac[aci].tx_op = param->txop;
 614         memcpy(&mac->edca_param[aci], param, sizeof(*param));
 615         rtlpriv->cfg->ops->set_qos(hw, aci);
 616         return 0;
 617 }
 618
 619 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
 620                                     struct ieee80211_vif *vif,
 621                                     struct ieee80211_bss_conf *bss_conf,
 622                                     u32 changed)
 623 {
 624         struct rtl_priv *rtlpriv = rtl_priv(hw);
 625         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 626         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 627         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 628
 629         mutex_lock(&rtlpriv->locks.conf_mutex);
 630         if ((vif->type == NL80211_IFTYPE_ADHOC) ||
 631             (vif->type == NL80211_IFTYPE_AP) ||
 632             (vif->type == NL80211_IFTYPE_MESH_POINT)) {
 633                 if ((changed & BSS_CHANGED_BEACON) ||
 634                     (changed & BSS_CHANGED_BEACON_ENABLED &&
 635                      bss_conf->enable_beacon)) {
 636                         if (mac->beacon_enabled == 0) {
 637                                 RT_TRACE(COMP_MAC80211, DBG_DMESG,
 638                                          ("BSS_CHANGED_BEACON_ENABLED \n"));
 639
 640                                 /*start hw beacon interrupt. */
 641                                 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
 642                                 mac->beacon_enabled = 1;
 643                                 rtlpriv->cfg->ops->update_interrupt_mask(hw,
 644                                                 rtlpriv->cfg->maps
 645                                                 [RTL_IBSS_INT_MASKS], 0);
 646
 647                                 if (rtlpriv->cfg->ops->linked_set_reg)
 648                                         rtlpriv->cfg->ops->linked_set_reg(hw);
 649                         }
 650                 }
 651                 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
 652                         !bss_conf->enable_beacon)){
 653                         if (mac->beacon_enabled == 1) {
 654                                 RT_TRACE(COMP_MAC80211, DBG_DMESG,
 655                                          ("ADHOC DISABLE BEACON\n"));
 656
 657                                 mac->beacon_enabled = 0;
 658                                 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 659                                                 rtlpriv->cfg->maps
 660                                                 [RTL_IBSS_INT_MASKS]);
 661                         }
 662                 }
 663                 if (changed & BSS_CHANGED_BEACON_INT) {
 664                         RT_TRACE(COMP_BEACON, DBG_TRACE,
 665                                  ("BSS_CHANGED_BEACON_INT\n"));
 666                         mac->beacon_interval = bss_conf->beacon_int;
 667                         rtlpriv->cfg->ops->set_bcn_intv(hw);
 668                 }
 669         }
 670
 671         /*TODO: reference to enum ieee80211_bss_change */
 672         if (changed & BSS_CHANGED_ASSOC) {
 673                 if (bss_conf->assoc) {
 674                         struct ieee80211_sta *sta = NULL;
 675                         /* we should reset all sec info & cam
 676                          * before set cam after linked, we should not
 677                          * reset in disassoc, that will cause tkip->wep
 678                          * fail because some flag will be wrong */
 679                         /* reset sec info */
 680                         rtl_cam_reset_sec_info(hw);
 681                         /* reset cam to fix wep fail issue
 682                          * when change from wpa to wep */
 683                         rtl_cam_reset_all_entry(hw);
 684
 685                         mac->link_state = MAC80211_LINKED;
 686                         mac->cnt_after_linked = 0;
 687                         mac->assoc_id = bss_conf->aid;
 688                         memcpy(mac->bssid, bss_conf->bssid, 6);
 689
 690                         if (rtlpriv->cfg->ops->linked_set_reg)
 691                                 rtlpriv->cfg->ops->linked_set_reg(hw);
 692
 693                         rcu_read_lock();
 694                         sta = ieee80211_find_sta(vif, (u8*)bss_conf->bssid);
 695
 696                         if (vif->type == NL80211_IFTYPE_STATION && sta)
 697                                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
 698                         RT_TRACE(COMP_EASY_CONCURRENT, DBG_LOUD,
 699                                         ("send PS STATIC frame \n"));
 700                         if (rtlpriv->dm.supp_phymode_switch) {
 701                                 if (sta->ht_cap.ht_supported)
 702                                         rtl_send_smps_action(hw, sta,
 703                                                         IEEE80211_SMPS_STATIC);
 704                         }
 705                         rcu_read_unlock();
 706
 707                         RT_TRACE(COMP_MAC80211, DBG_DMESG,
 708                                  ("BSS_CHANGED_ASSOC\n"));
 709                 } else {
 710                         if (mac->link_state == MAC80211_LINKED)
 711                                 rtl_lps_leave(hw);
 712                         if (ppsc->p2p_ps_info.p2p_ps_mode> P2P_PS_NONE)
 713                                 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
 714                         mac->link_state = MAC80211_NOLINK;
 715                         memset(mac->bssid, 0, 6);
 716                         mac->vendor = PEER_UNKNOWN;
 717
 718                         if (rtlpriv->dm.supp_phymode_switch) {
 719                                 if (rtlpriv->cfg->ops->check_switch_to_dmdp)
 720                                         rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
 721                         }
 722                         RT_TRACE(COMP_MAC80211, DBG_DMESG,
 723                                  ("BSS_CHANGED_UN_ASSOC\n"));
 724                 }
 725         }
 726
 727         if (changed & BSS_CHANGED_ERP_CTS_PROT) {
 728                 RT_TRACE(COMP_MAC80211, DBG_TRACE,
 729                          ("BSS_CHANGED_ERP_CTS_PROT\n"));
 730                 mac->use_cts_protect = bss_conf->use_cts_prot;
 731         }
 732
 733         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
 734                 RT_TRACE(COMP_MAC80211, DBG_LOUD,
 735                          ("BSS_CHANGED_ERP_PREAMBLE use short preamble:%x \n",
 736                           bss_conf->use_short_preamble));
 737
 738                 mac->short_preamble = bss_conf->use_short_preamble;
 739                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
 740                                               (u8 *) (&mac->short_preamble));
 741         }
 742
 743         if (changed & BSS_CHANGED_ERP_SLOT) {
 744                 RT_TRACE(COMP_MAC80211, DBG_TRACE,
 745                          ("BSS_CHANGED_ERP_SLOT\n"));
 746
 747                 if (bss_conf->use_short_slot)
 748                         mac->slot_time = RTL_SLOT_TIME_9;
 749                 else
 750                         mac->slot_time = RTL_SLOT_TIME_20;
 751
 752                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
 753                                               (u8 *) (&mac->slot_time));
 754         }
 755
 756         if (changed & BSS_CHANGED_HT) {
 757                 struct ieee80211_sta *sta = NULL;
 758
 759                 RT_TRACE(COMP_MAC80211, DBG_TRACE,
 760                          ("BSS_CHANGED_HT\n"));
 761
 762                 rcu_read_lock();
 763                 sta = ieee80211_find_sta(vif, (u8*)bss_conf->bssid);
 764                 if (sta) {
 765                         if (sta->ht_cap.ampdu_density >
 766                             mac->current_ampdu_density)
 767                                 mac->current_ampdu_density =
 768                                     sta->ht_cap.ampdu_density;
 769                         if (sta->ht_cap.ampdu_factor <
 770                             mac->current_ampdu_factor)
 771                                 mac->current_ampdu_factor =
 772                                     sta->ht_cap.ampdu_factor;
 773                 }
 774                 rcu_read_unlock();
 775
 776                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
 777                                               (u8 *) (&mac->max_mss_density));
 778                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
 779                                               &mac->current_ampdu_factor);
 780                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
 781                                               &mac->current_ampdu_density);
 782         }
 783
 784         if (changed & BSS_CHANGED_BSSID) {
 785                 u32 basic_rates;
 786                 struct ieee80211_sta *sta = NULL;
 787
 788                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
 789                                               (u8 *) bss_conf->bssid);
 790
 791                 RT_TRACE(COMP_MAC80211, DBG_DMESG,
 792                          ("bssid: %pM\n", bss_conf->bssid));
 793
 794                 mac->vendor = PEER_UNKNOWN;
 795                 memcpy(mac->bssid, bss_conf->bssid, 6);
 796                 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
 797
 798                 rcu_read_lock();
 799                 sta = ieee80211_find_sta(vif, (u8*)bss_conf->bssid);
 800                 if (!sta) {
 801                         rcu_read_unlock();
 802                         goto out;
 803                 }
 804
 805                 if (rtlhal->current_bandtype == BAND_ON_5G) {
 806                         mac->mode = WIRELESS_MODE_A;
 807                 } else {
 808                         if (sta->supp_rates[0] <= 0xf)
 809                                 mac->mode = WIRELESS_MODE_B;
 810                         else
 811                                 mac->mode = WIRELESS_MODE_G;
 812                 }
 813
 814                 if (sta->ht_cap.ht_supported) {
 815                         if (rtlhal->current_bandtype == BAND_ON_2_4G)
 816                                 mac->mode = WIRELESS_MODE_N_24G;
 817                         else
 818                                 mac->mode = WIRELESS_MODE_N_5G;
 819                 }
 820
 821                 /* just station need it, because ibss & ap mode will
 822                  * set in sta_add, and will be NULL here */
 823                 if (vif->type == NL80211_IFTYPE_STATION) {
 824                         struct rtl_sta_info *sta_entry;
 825                         sta_entry = (struct rtl_sta_info *) sta->drv_priv;
 826                         sta_entry->wireless_mode = mac->mode;
 827                 }
 828
 829                 if (sta->ht_cap.ht_supported) {
 830                         mac->ht_enable = true;
 831
 832                         /*
 833                          * for cisco 1252 bw20 it's wrong
 834                          * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
 835                          *      mac->bw_40 = true;
 836                          * }
 837                          * */
 838                 }
 839
 840                 if (changed & BSS_CHANGED_BASIC_RATES) {
 841                         /* for 5G must << RATE_6M_INDEX=4,
 842                          * because 5G have no cck rate*/
 843                         if (rtlhal->current_bandtype == BAND_ON_5G)
 844                                 basic_rates = sta->supp_rates[1] << 4;
 845                         else
 846                                 basic_rates = sta->supp_rates[0];
 847
 848                         mac->basic_rates = basic_rates;
 849                         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 850                                         (u8 *) (&basic_rates));
 851                 }
 852                 rcu_read_unlock();
 853         }
 854
 855         /*
 856          * For FW LPS and Keep Alive:
 857          * To tell firmware we have connected
 858          * to an AP. For 92SE/CE power save v2.
 859          */
 860         if (changed & BSS_CHANGED_ASSOC) {
 861                 if (bss_conf->assoc) {
 862                         u8 keep_alive = 10;
 863                         u8 mstatus = RT_MEDIA_CONNECT;
 864                         rtlpriv->cfg->ops->set_hw_reg(hw,
 865                                                       HW_VAR_KEEP_ALIVE,
 866                                                       (u8 *) (&keep_alive));
 867
 868                         rtlpriv->cfg->ops->set_hw_reg(hw,
 869                                                       HW_VAR_H2C_FW_JOINBSSRPT,
 870                                                       (u8 *) (&mstatus));
 871                         ppsc->report_linked = true;
 872
 873                 } else {
 874
 875                         u8 mstatus = RT_MEDIA_DISCONNECT;
 876                         rtlpriv->cfg->ops->set_hw_reg(hw,
 877                                                       HW_VAR_H2C_FW_JOINBSSRPT,
 878                                                       (u8 *) (&mstatus));
 879                         ppsc->report_linked = false;
 880
 881                 }
 882
 883                 if (rtlpriv->cfg->ops->get_btc_status()){
 884                         rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
 885                                                 rtlpriv, ppsc->report_linked);
 886                 }
 887         }
 888
 889 out:
 890         mutex_unlock(&rtlpriv->locks.conf_mutex);
 891 }
 892
 893 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 894 {
 895         struct rtl_priv *rtlpriv = rtl_priv(hw);
 896         u64 tsf;
 897
 898         rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&tsf));
 899         return tsf;
 900 }
 901
 902 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
 903                            struct ieee80211_vif *vif, u64 tsf)
 904 {
 905         struct rtl_priv *rtlpriv = rtl_priv(hw);
 906         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 907         u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
 908
 909         mac->tsf = tsf;
 910         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&bibss));
 911 }
 912
 913 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 914 {
 915         struct rtl_priv *rtlpriv = rtl_priv(hw);
 916         u8 tmp = 0;
 917
 918         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *) (&tmp));
 919 }
 920
 921 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
 922                               struct ieee80211_vif *vif,
 923                               enum sta_notify_cmd cmd,
 924                               struct ieee80211_sta *sta)
 925 {
 926         switch (cmd) {
 927         case STA_NOTIFY_SLEEP:
 928                 break;
 929         case STA_NOTIFY_AWAKE:
 930                 break;
 931         default:
 932                 break;
 933         }
 934 }
 935
 936 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
 937                                struct ieee80211_vif *vif,
 938                                enum ieee80211_ampdu_mlme_action action,
 939                                struct ieee80211_sta *sta, u16 tid, u16 * ssn
 940                                ,u8 buf_size
 941                                )
 942 {
 943         struct rtl_priv *rtlpriv = rtl_priv(hw);
 944
 945         switch (action) {
 946         case IEEE80211_AMPDU_TX_START:
 947                 RT_TRACE(COMP_MAC80211, DBG_TRACE,
 948                          ("IEEE80211_AMPDU_TX_START: TID:%d\n", tid));
 949                 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
 950                 break;
 951         case IEEE80211_AMPDU_TX_STOP_CONT:
 952         case IEEE80211_AMPDU_TX_STOP_FLUSH:
 953         case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
 954                 RT_TRACE(COMP_MAC80211, DBG_TRACE,
 955                          ("IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid));
 956                 return rtl_tx_agg_stop(hw, vif, sta, tid);
 957                 break;
 958         case IEEE80211_AMPDU_TX_OPERATIONAL:
 959                 RT_TRACE(COMP_MAC80211, DBG_TRACE,
 960                          ("IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid));
 961                 rtl_tx_agg_oper(hw, sta, tid);
 962                 break;
 963         case IEEE80211_AMPDU_RX_START:
 964                 RT_TRACE(COMP_MAC80211, DBG_TRACE,
 965                          ("IEEE80211_AMPDU_RX_START:TID:%d\n", tid));
 966                 return rtl_rx_agg_start(hw, sta, tid);
 967                 break;
 968         case IEEE80211_AMPDU_RX_STOP:
 969                 RT_TRACE(COMP_MAC80211, DBG_TRACE,
 970                          ("IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid));
 971                 return rtl_rx_agg_stop(hw, sta, tid);
 972                 break;
 973         default:
 974                 RT_TRACE(COMP_ERR, DBG_EMERG,
 975                          ("IEEE80211_AMPDU_ERR!!!!:\n"));
 976                 return -EOPNOTSUPP;
 977         }
 978         return 0;
 979 }
 980
 981 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
 982 {
 983         struct rtl_priv *rtlpriv = rtl_priv(hw);
 984         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 985
 986         RT_TRACE(COMP_MAC80211, DBG_LOUD, ("\n"));
 987         mac->act_scanning = true;
 988         /*rtlpriv->btcops->btc_scan_notify(rtlpriv, 0); */
 989         if (rtlpriv->link_info.b_higher_busytraffic) {
 990                 mac->skip_scan = true;
 991                 return;
 992         }
 993
 994         if (rtlpriv->dm.supp_phymode_switch) {
 995                 if (rtlpriv->cfg->ops->check_switch_to_dmdp)
 996                         rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
 997         }
 998
 999         if (mac->link_state == MAC80211_LINKED) {
1000                 rtl_lps_leave(hw);
1001                 mac->link_state = MAC80211_LINKED_SCANNING;
1002         } else {
1003                 rtl_ips_nic_on(hw);
1004         }
1005
1006         /* Dul mac */
1007         rtlpriv->rtlhal.b_load_imrandiqk_setting_for2g = false;
1008
1009         rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1010
1011         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1012
1013 }
1014
1015 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw)
1016 {
1017         struct rtl_priv *rtlpriv = rtl_priv(hw);
1018         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1019
1020         RT_TRACE(COMP_MAC80211, DBG_LOUD, ("\n"));
1021         mac->act_scanning = false;
1022         mac->skip_scan = false;
1023         if (rtlpriv->link_info.b_higher_busytraffic) {
1024                 return;
1025         }
1026
1027         /* p2p will use 1/6/11 to scan */
1028         if (mac->n_channels == 3)
1029                 mac->p2p_in_use = true;
1030         else
1031                 mac->p2p_in_use = false;
1032         mac->n_channels = 0;
1033         /* Dul mac */
1034         rtlpriv->rtlhal.b_load_imrandiqk_setting_for2g = false;
1035
1036         if (mac->link_state == MAC80211_LINKED_SCANNING) {
1037                 mac->link_state = MAC80211_LINKED;
1038                 if (mac->opmode == NL80211_IFTYPE_STATION) {
1039                         /* fix fwlps issue */
1040                         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1041                 }
1042         }
1043
1044         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1045         /* rtlpriv->btcops->btc_scan_notify(rtlpriv, 1); */
1046 }
1047
1048 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1049                           struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1050                           struct ieee80211_key_conf *key)
1051 {
1052         struct rtl_priv *rtlpriv = rtl_priv(hw);
1053         u8 key_type = NO_ENCRYPTION;
1054         u8 key_idx;
1055         bool group_key = false;
1056         bool wep_only = false;
1057         int err = 0;
1058         u8 mac_addr[ETH_ALEN];
1059         u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1060         u8 zero_addr[ETH_ALEN] = { 0 };
1061
1062         if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1063                 RT_TRACE(COMP_ERR, DBG_WARNING,
1064                          ("not open hw encryption\n"));
1065                 return -ENOSPC; /*User disabled HW-crypto */
1066         }
1067         /* To support IBSS, use sw-crypto for GTK */
1068         if(((vif->type == NL80211_IFTYPE_ADHOC) ||
1069             (vif->type == NL80211_IFTYPE_MESH_POINT)) &&
1070            !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1071                 return -ENOSPC;
1072         RT_TRACE(COMP_SEC, DBG_DMESG,
1073                  ("%s hardware based encryption for keyidx: %d, mac: %pM\n",
1074                   cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1075                   sta ? sta->addr : bcast_addr));
1076         rtlpriv->sec.being_setkey = true;
1077         rtl_ips_nic_on(hw);
1078         mutex_lock(&rtlpriv->locks.conf_mutex);
1079         /* <1> get encryption alg */
1080
1081         switch (key->cipher) {
1082         case WLAN_CIPHER_SUITE_WEP40:
1083                 key_type = WEP40_ENCRYPTION;
1084                 RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:WEP40\n"));
1085                 break;
1086         case WLAN_CIPHER_SUITE_WEP104:
1087                 RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:WEP104\n"));
1088                 key_type = WEP104_ENCRYPTION;
1089                 break;
1090         case WLAN_CIPHER_SUITE_TKIP:
1091                 key_type = TKIP_ENCRYPTION;
1092                 RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:TKIP\n"));
1093                 break;
1094         case WLAN_CIPHER_SUITE_CCMP:
1095                 key_type = AESCCMP_ENCRYPTION;
1096                 RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:CCMP\n"));
1097                 break;
1098         case WLAN_CIPHER_SUITE_AES_CMAC:
1099                 /* HW don't support CMAC encryption,
1100                  * use software CMAC encryption */
1101                 key_type = AESCMAC_ENCRYPTION;
1102                 RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:CMAC\n"));
1103                 RT_TRACE(COMP_SEC, DBG_DMESG,
1104                                 ("HW don't support CMAC encryption, "
1105                                 "use software CMAC encryption\n"));
1106                 err = -EOPNOTSUPP;
1107                 goto out_unlock;
1108         default:
1109                 RT_TRACE(COMP_ERR, DBG_EMERG,
1110                          ("alg_err:%x!!!!:\n", key->cipher));
1111                 goto out_unlock;
1112         }
1113         if(key_type == WEP40_ENCRYPTION ||
1114                         key_type == WEP104_ENCRYPTION ||
1115                         vif->type == NL80211_IFTYPE_ADHOC)
1116                 rtlpriv->sec.use_defaultkey = true;
1117
1118         /* <2> get key_idx */
1119         key_idx = (u8) (key->keyidx);
1120         if (key_idx > 3)
1121                 goto out_unlock;
1122         /* <3> if pairwise key enable_hw_sec */
1123         group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1124
1125         /* wep always be group key, but there are two conditions:
1126          * 1) wep only: is just for wep enc, in this condition
1127          * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1128          * will be true & enable_hw_sec will be set when wep
1129          * ke setting.
1130          * 2) wep(group) + AES(pairwise): some AP like cisco
1131          * may use it, in this condition enable_hw_sec will not
1132          * be set when wep key setting */
1133         /* we must reset sec_info after lingked before set key,
1134          * or some flag will be wrong*/
1135         if (vif->type == NL80211_IFTYPE_AP ||
1136                 vif->type == NL80211_IFTYPE_MESH_POINT) {
1137                 if (!group_key || key_type == WEP40_ENCRYPTION ||
1138                         key_type == WEP104_ENCRYPTION) {
1139                         if (group_key) {
1140                                 wep_only = true;
1141                         }
1142                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1143                 }
1144         } else {
1145                 if ((!group_key) || (vif->type == NL80211_IFTYPE_ADHOC) ||
1146                     rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1147                         if (rtlpriv->sec.pairwise_enc_algorithm ==
1148                             NO_ENCRYPTION &&
1149                            (key_type == WEP40_ENCRYPTION ||
1150                             key_type == WEP104_ENCRYPTION))
1151                                 wep_only = true;
1152                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1153                         RT_TRACE(COMP_SEC, DBG_DMESG,
1154                                  ("set enable_hw_sec, key_type:%x(OPEN:0 WEP40:"
1155                                   "1 TKIP:2 AES:4 WEP104:5)\n", key_type));
1156                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1157                 }
1158         }
1159         /* <4> set key based on cmd */
1160         switch (cmd) {
1161         case SET_KEY:
1162                 if (wep_only) {
1163                         RT_TRACE(COMP_SEC, DBG_DMESG,
1164                                  ("set WEP(group/pairwise) key\n"));
1165                         /* Pairwise key with an assigned MAC address. */
1166                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1167                         rtlpriv->sec.group_enc_algorithm = key_type;
1168                         /*set local buf about wep key. */
1169                         memcpy(rtlpriv->sec.key_buf[key_idx],
1170                                key->key, key->keylen);
1171                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1172                         memcpy(mac_addr, zero_addr, ETH_ALEN);
1173                 } else if (group_key) { /* group key */
1174                         RT_TRACE(COMP_SEC, DBG_DMESG,
1175                                  ("set group key\n"));
1176                         /* group key */
1177                         rtlpriv->sec.group_enc_algorithm = key_type;
1178                         /*set local buf about group key. */
1179                         memcpy(rtlpriv->sec.key_buf[key_idx],
1180                                key->key, key->keylen);
1181                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1182                         memcpy(mac_addr, bcast_addr, ETH_ALEN);
1183                 } else {        /* pairwise key */
1184                         RT_TRACE(COMP_SEC, DBG_DMESG,
1185                                  ("set pairwise key\n"));
1186                         if (!sta) {
1187                                 RT_ASSERT(false, ("pairwise key withnot"
1188                                                   "mac_addr\n"));
1189
1190                                 err = -EOPNOTSUPP;
1191                                 goto out_unlock;
1192                         }
1193                         /* Pairwise key with an assigned MAC address. */
1194                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1195                         /*set local buf about pairwise key. */
1196                         memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1197                                key->key, key->keylen);
1198                         rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1199                         rtlpriv->sec.pairwise_key =
1200                             rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1201                         memcpy(mac_addr, sta->addr, ETH_ALEN);
1202                 }
1203                 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1204                                            group_key, key_type, wep_only,
1205                                            false);
1206                 /* <5> tell mac80211 do something: */
1207                 /*must use sw generate IV, or can not work !!!!. */
1208                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1209                 key->hw_key_idx = key_idx;
1210                 if (key_type == TKIP_ENCRYPTION)
1211                         key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1212                 /*use software CCMP encryption for management frames (MFP) */
1213                 if (key_type == AESCCMP_ENCRYPTION)
1214                         key->flags |= IEEE80211_KEY_FLAG_SW_MGMT;
1215                 break;
1216         case DISABLE_KEY:
1217                 RT_TRACE(COMP_SEC, DBG_DMESG,
1218                          ("disable key delete one entry\n"));
1219                 /*set local buf about wep key. */
1220                 if (vif->type == NL80211_IFTYPE_AP ||
1221                         vif->type == NL80211_IFTYPE_MESH_POINT) {
1222                         if (sta)
1223                                 rtl_cam_del_entry(hw, sta->addr);
1224                 }
1225                 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1226                 rtlpriv->sec.key_len[key_idx] = 0;
1227                 memcpy(mac_addr, zero_addr, ETH_ALEN);
1228                 /*
1229                  *mac80211 will delete entrys one by one,
1230                  *so don't use rtl_cam_reset_all_entry
1231                  *or clear all entry here.
1232                  */
1233                 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1234                 break;
1235         default:
1236                 RT_TRACE(COMP_ERR, DBG_EMERG,
1237                          ("cmd_err:%x!!!!:\n", cmd));
1238         }
1239 out_unlock:
1240         mutex_unlock(&rtlpriv->locks.conf_mutex);
1241         rtlpriv->sec.being_setkey = false;
1242         return err;
1243 }
1244
1245 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1246 {
1247         struct rtl_priv *rtlpriv = rtl_priv(hw);
1248
1249         bool radio_state;
1250         bool blocked;
1251         u8 valid = 0;
1252
1253         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1254                 return;
1255
1256         mutex_lock(&rtlpriv->locks.conf_mutex);
1257
1258         /*if Radio On return true here */
1259         radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1260
1261         if (valid) {
1262                 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1263                         rtlpriv->rfkill.rfkill_state = radio_state;
1264
1265                         RT_TRACE(COMP_RF, DBG_DMESG,
1266                                  (KERN_INFO "wireless radio switch turned %s\n",
1267                                   radio_state ? "on" : "off"));
1268
1269                         blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1270                         wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1271                 }
1272         }
1273
1274         mutex_unlock(&rtlpriv->locks.conf_mutex);
1275 }
1276
1277 /* this function is called by mac80211 to flush tx buffer
1278  * before switch channel or power save, or tx buffer packet
1279  * maybe send after offchannel or rf sleep, this may cause
1280  * dis-association by AP */
1281 static void rtl_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
1282 {
1283         struct rtl_priv *rtlpriv = rtl_priv(hw);
1284
1285         if (rtlpriv->intf_ops->flush)
1286                 rtlpriv->intf_ops->flush(hw, queues, drop);
1287 }
1288
1289 const struct ieee80211_ops rtl_ops = {
1290         .start = rtl_op_start,
1291         .stop = rtl_op_stop,
1292         .tx = rtl_op_tx,
1293         .add_interface = rtl_op_add_interface,
1294         .remove_interface = rtl_op_remove_interface,
1295         .change_interface = rtl_op_change_interface,
1296         .config = rtl_op_config,
1297         .configure_filter = rtl_op_configure_filter,
1298         .set_key = rtl_op_set_key,
1299         .conf_tx = rtl_op_conf_tx,
1300         .bss_info_changed = rtl_op_bss_info_changed,
1301         .get_tsf = rtl_op_get_tsf,
1302         .set_tsf = rtl_op_set_tsf,
1303         .reset_tsf = rtl_op_reset_tsf,
1304         .sta_notify = rtl_op_sta_notify,
1305         .ampdu_action = rtl_op_ampdu_action,
1306         .sw_scan_start = rtl_op_sw_scan_start,
1307         .sw_scan_complete = rtl_op_sw_scan_complete,
1308         .rfkill_poll = rtl_op_rfkill_poll,
1309         .sta_add = rtl_op_sta_add,
1310         .sta_remove = rtl_op_sta_remove,
1311         .flush = rtl_op_flush,
1312 };