drivers/net/wireless/rtlwifi/core.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  * 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 "pci.h"
  35 #include "ps.h"
  36
  37 #include <linux/export.h>
  38
  39 void rtl_fw_cb(const struct firmware *firmware, void *context)
  40 {
  41         struct ieee80211_hw *hw = context;
  42         struct rtl_priv *rtlpriv = rtl_priv(hw);
  43         int err;
  44
  45         RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
  46                          "Firmware callback routine entered!\n");
  47         complete(&rtlpriv->firmware_loading_complete);
  48         if (!firmware) {
  49                 pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name);
  50                 rtlpriv->max_fw_size = 0;
  51                 return;
  52         }
  53         if (firmware->size > rtlpriv->max_fw_size) {
  54                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
  55                          "Firmware is too big!\n");
  56                 release_firmware(firmware);
  57                 return;
  58         }
  59         memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, firmware->size);
  60         rtlpriv->rtlhal.fwsize = firmware->size;
  61         release_firmware(firmware);
  62
  63         err = ieee80211_register_hw(hw);
  64         if (err) {
  65                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
  66                          "Can't register mac80211 hw\n");
  67                 return;
  68         } else {
  69                 rtlpriv->mac80211.mac80211_registered = 1;
  70         }
  71         set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
  72
  73         /*init rfkill */
  74         rtl_init_rfkill(hw);
  75 }
  76 EXPORT_SYMBOL(rtl_fw_cb);
  77
  78 /*mutex for start & stop is must here. */
  79 static int rtl_op_start(struct ieee80211_hw *hw)
  80 {
  81         int err;
  82         struct rtl_priv *rtlpriv = rtl_priv(hw);
  83         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  84
  85         if (!is_hal_stop(rtlhal))
  86                 return 0;
  87         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
  88                 return 0;
  89         mutex_lock(&rtlpriv->locks.conf_mutex);
  90         err = rtlpriv->intf_ops->adapter_start(hw);
  91         if (!err)
  92                 rtl_watch_dog_timer_callback((unsigned long)hw);
  93         mutex_unlock(&rtlpriv->locks.conf_mutex);
  94         return err;
  95 }
  96
  97 static void rtl_op_stop(struct ieee80211_hw *hw)
  98 {
  99         struct rtl_priv *rtlpriv = rtl_priv(hw);
 100         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 101         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 102         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 103
 104         if (is_hal_stop(rtlhal))
 105                 return;
 106
 107         if (unlikely(ppsc->rfpwr_state == ERFOFF)) {
 108                 rtl_ips_nic_on(hw);
 109                 mdelay(1);
 110         }
 111
 112         mutex_lock(&rtlpriv->locks.conf_mutex);
 113
 114         mac->link_state = MAC80211_NOLINK;
 115         memset(mac->bssid, 0, 6);
 116         mac->vendor = PEER_UNKNOWN;
 117
 118         /*reset sec info */
 119         rtl_cam_reset_sec_info(hw);
 120
 121         rtl_deinit_deferred_work(hw);
 122         rtlpriv->intf_ops->adapter_stop(hw);
 123
 124         mutex_unlock(&rtlpriv->locks.conf_mutex);
 125 }
 126
 127 static void rtl_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 128 {
 129         struct rtl_priv *rtlpriv = rtl_priv(hw);
 130         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 131         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 132         struct rtl_tcb_desc tcb_desc;
 133         memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 134
 135         if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
 136                 goto err_free;
 137
 138         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 139                 goto err_free;
 140
 141         if (!rtlpriv->intf_ops->waitq_insert(hw, skb))
 142                 rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
 143
 144         return;
 145
 146 err_free:
 147         dev_kfree_skb_any(skb);
 148 }
 149
 150 static int rtl_op_add_interface(struct ieee80211_hw *hw,
 151                 struct ieee80211_vif *vif)
 152 {
 153         struct rtl_priv *rtlpriv = rtl_priv(hw);
 154         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 155         int err = 0;
 156
 157         vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
 158
 159         if (mac->vif) {
 160                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 161                          "vif has been set!! mac->vif = 0x%p\n", mac->vif);
 162                 return -EOPNOTSUPP;
 163         }
 164
 165         rtl_ips_nic_on(hw);
 166
 167         mutex_lock(&rtlpriv->locks.conf_mutex);
 168         switch (vif->type) {
 169         case NL80211_IFTYPE_STATION:
 170                 if (mac->beacon_enabled == 1) {
 171                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 172                                  "NL80211_IFTYPE_STATION\n");
 173                         mac->beacon_enabled = 0;
 174                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 175                                         rtlpriv->cfg->maps
 176                                         [RTL_IBSS_INT_MASKS]);
 177                 }
 178                 break;
 179         case NL80211_IFTYPE_ADHOC:
 180                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 181                          "NL80211_IFTYPE_ADHOC\n");
 182
 183                 mac->link_state = MAC80211_LINKED;
 184                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 185                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 186                         mac->basic_rates = 0xfff;
 187                 else
 188                         mac->basic_rates = 0xff0;
 189                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 190                                 (u8 *) (&mac->basic_rates));
 191
 192                 break;
 193         case NL80211_IFTYPE_AP:
 194                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 195                          "NL80211_IFTYPE_AP\n");
 196
 197                 mac->link_state = MAC80211_LINKED;
 198                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 199                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 200                         mac->basic_rates = 0xfff;
 201                 else
 202                         mac->basic_rates = 0xff0;
 203                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 204                                 (u8 *) (&mac->basic_rates));
 205                 break;
 206         default:
 207                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 208                          "operation mode %d is not supported!\n", vif->type);
 209                 err = -EOPNOTSUPP;
 210                 goto out;
 211         }
 212
 213         mac->vif = vif;
 214         mac->opmode = vif->type;
 215         rtlpriv->cfg->ops->set_network_type(hw, vif->type);
 216         memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
 217         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
 218
 219 out:
 220         mutex_unlock(&rtlpriv->locks.conf_mutex);
 221         return err;
 222 }
 223
 224 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
 225                 struct ieee80211_vif *vif)
 226 {
 227         struct rtl_priv *rtlpriv = rtl_priv(hw);
 228         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 229
 230         mutex_lock(&rtlpriv->locks.conf_mutex);
 231
 232         /* Free beacon resources */
 233         if ((mac->opmode == NL80211_IFTYPE_AP) ||
 234             (mac->opmode == NL80211_IFTYPE_ADHOC) ||
 235             (mac->opmode == NL80211_IFTYPE_MESH_POINT)) {
 236                 if (mac->beacon_enabled == 1) {
 237                         mac->beacon_enabled = 0;
 238                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 239                                         rtlpriv->cfg->maps
 240                                         [RTL_IBSS_INT_MASKS]);
 241                 }
 242         }
 243
 244         /*
 245          *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
 246          *NO LINK for our hardware.
 247          */
 248         mac->vif = NULL;
 249         mac->link_state = MAC80211_NOLINK;
 250         memset(mac->bssid, 0, 6);
 251         mac->vendor = PEER_UNKNOWN;
 252         mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
 253         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
 254         mutex_unlock(&rtlpriv->locks.conf_mutex);
 255 }
 256
 257 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
 258 {
 259         struct rtl_priv *rtlpriv = rtl_priv(hw);
 260         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 261         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 262         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 263         struct ieee80211_conf *conf = &hw->conf;
 264
 265         mutex_lock(&rtlpriv->locks.conf_mutex);
 266         if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {  /*BIT(2)*/
 267                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 268                          "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
 269         }
 270
 271         /*For IPS */
 272         if (changed & IEEE80211_CONF_CHANGE_IDLE) {
 273                 if (hw->conf.flags & IEEE80211_CONF_IDLE)
 274                         rtl_ips_nic_off(hw);
 275                 else
 276                         rtl_ips_nic_on(hw);
 277         } else {
 278                 /*
 279                  *although rfoff may not cause by ips, but we will
 280                  *check the reason in set_rf_power_state function
 281                  */
 282                 if (unlikely(ppsc->rfpwr_state == ERFOFF))
 283                         rtl_ips_nic_on(hw);
 284         }
 285
 286         /*For LPS */
 287         if (changed & IEEE80211_CONF_CHANGE_PS) {
 288                 cancel_delayed_work(&rtlpriv->works.ps_work);
 289                 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 290                 if (conf->flags & IEEE80211_CONF_PS) {
 291                         rtlpriv->psc.sw_ps_enabled = true;
 292                         /* sleep here is must, or we may recv the beacon and
 293                          * cause mac80211 into wrong ps state, this will cause
 294                          * power save nullfunc send fail, and further cause
 295                          * pkt loss, So sleep must quickly but not immediatly
 296                          * because that will cause nullfunc send by mac80211
 297                          * fail, and cause pkt loss, we have tested that 5mA
 298                          * is worked very well */
 299                         if (!rtlpriv->psc.multi_buffered)
 300                                 queue_delayed_work(rtlpriv->works.rtl_wq,
 301                                                 &rtlpriv->works.ps_work,
 302                                                 MSECS(5));
 303                 } else {
 304                         rtl_swlps_rf_awake(hw);
 305                         rtlpriv->psc.sw_ps_enabled = false;
 306                 }
 307         }
 308
 309         if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
 310                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 311                          "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
 312                          hw->conf.long_frame_max_tx_count);
 313                 mac->retry_long = hw->conf.long_frame_max_tx_count;
 314                 mac->retry_short = hw->conf.long_frame_max_tx_count;
 315                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 316                                               (u8 *) (&hw->conf.
 317                                                       long_frame_max_tx_count));
 318         }
 319
 320         if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
 321                 struct ieee80211_channel *channel = hw->conf.channel;
 322                 u8 wide_chan = (u8) channel->hw_value;
 323
 324                 /*
 325                  *because we should back channel to
 326                  *current_network.chan in in scanning,
 327                  *So if set_chan == current_network.chan
 328                  *we should set it.
 329                  *because mac80211 tell us wrong bw40
 330                  *info for cisco1253 bw20, so we modify
 331                  *it here based on UPPER & LOWER
 332                  */
 333                 switch (hw->conf.channel_type) {
 334                 case NL80211_CHAN_HT20:
 335                 case NL80211_CHAN_NO_HT:
 336                         /* SC */
 337                         mac->cur_40_prime_sc =
 338                                 PRIME_CHNL_OFFSET_DONT_CARE;
 339                         rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20;
 340                         mac->bw_40 = false;
 341                         break;
 342                 case NL80211_CHAN_HT40MINUS:
 343                         /* SC */
 344                         mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER;
 345                         rtlphy->current_chan_bw =
 346                                 HT_CHANNEL_WIDTH_20_40;
 347                         mac->bw_40 = true;
 348
 349                         /*wide channel */
 350                         wide_chan -= 2;
 351
 352                         break;
 353                 case NL80211_CHAN_HT40PLUS:
 354                         /* SC */
 355                         mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER;
 356                         rtlphy->current_chan_bw =
 357                                 HT_CHANNEL_WIDTH_20_40;
 358                         mac->bw_40 = true;
 359
 360                         /*wide channel */
 361                         wide_chan += 2;
 362
 363                         break;
 364                 default:
 365                         mac->bw_40 = false;
 366                         RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 367                                  "switch case not processed\n");
 368                         break;
 369                 }
 370
 371                 if (wide_chan <= 0)
 372                         wide_chan = 1;
 373
 374                 /* In scanning, before we go offchannel we may send a ps=1 null
 375                  * to AP, and then we may send a ps = 0 null to AP quickly, but
 376                  * first null may have caused AP to put lots of packet to hw tx
 377                  * buffer. These packets must be tx'd before we go off channel
 378                  * so we must delay more time to let AP flush these packets
 379                  * before going offchannel, or dis-association or delete BA will
 380                  * happen by AP
 381                  */
 382                 if (rtlpriv->mac80211.offchan_delay) {
 383                         rtlpriv->mac80211.offchan_delay = false;
 384                         mdelay(50);
 385                 }
 386                 rtlphy->current_channel = wide_chan;
 387
 388                 rtlpriv->cfg->ops->switch_channel(hw);
 389                 rtlpriv->cfg->ops->set_channel_access(hw);
 390                 rtlpriv->cfg->ops->set_bw_mode(hw,
 391                                                hw->conf.channel_type);
 392         }
 393
 394         mutex_unlock(&rtlpriv->locks.conf_mutex);
 395
 396         return 0;
 397 }
 398
 399 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
 400                              unsigned int changed_flags,
 401                              unsigned int *new_flags, u64 multicast)
 402 {
 403         struct rtl_priv *rtlpriv = rtl_priv(hw);
 404         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 405
 406         *new_flags &= RTL_SUPPORTED_FILTERS;
 407         if (!changed_flags)
 408                 return;
 409
 410         /*TODO: we disable broadcase now, so enable here */
 411         if (changed_flags & FIF_ALLMULTI) {
 412                 if (*new_flags & FIF_ALLMULTI) {
 413                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
 414                             rtlpriv->cfg->maps[MAC_RCR_AB];
 415                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 416                                  "Enable receive multicast frame\n");
 417                 } else {
 418                         mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
 419                                           rtlpriv->cfg->maps[MAC_RCR_AB]);
 420                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 421                                  "Disable receive multicast frame\n");
 422                 }
 423         }
 424
 425         if (changed_flags & FIF_FCSFAIL) {
 426                 if (*new_flags & FIF_FCSFAIL) {
 427                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 428                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 429                                  "Enable receive FCS error frame\n");
 430                 } else {
 431                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 432                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 433                                  "Disable receive FCS error frame\n");
 434                 }
 435         }
 436
 437         /* if ssid not set to hw don't check bssid
 438          * here just used for linked scanning, & linked
 439          * and nolink check bssid is set in set network_type */
 440         if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
 441                 (mac->link_state >= MAC80211_LINKED)) {
 442                 if (mac->opmode != NL80211_IFTYPE_AP) {
 443                         if (*new_flags & FIF_BCN_PRBRESP_PROMISC) {
 444                                 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
 445                         } else {
 446                                 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
 447                         }
 448                 }
 449         }
 450
 451         if (changed_flags & FIF_CONTROL) {
 452                 if (*new_flags & FIF_CONTROL) {
 453                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
 454
 455                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 456                                  "Enable receive control frame\n");
 457                 } else {
 458                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
 459                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 460                                  "Disable receive control frame\n");
 461                 }
 462         }
 463
 464         if (changed_flags & FIF_OTHER_BSS) {
 465                 if (*new_flags & FIF_OTHER_BSS) {
 466                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
 467                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 468                                  "Enable receive other BSS's frame\n");
 469                 } else {
 470                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
 471                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 472                                  "Disable receive other BSS's frame\n");
 473                 }
 474         }
 475 }
 476 static int rtl_op_sta_add(struct ieee80211_hw *hw,
 477                          struct ieee80211_vif *vif,
 478                          struct ieee80211_sta *sta)
 479 {
 480         struct rtl_priv *rtlpriv = rtl_priv(hw);
 481         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 482         struct rtl_sta_info *sta_entry;
 483
 484         if (sta) {
 485                 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
 486                 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 487                         sta_entry->wireless_mode = WIRELESS_MODE_G;
 488                         if (sta->supp_rates[0] <= 0xf)
 489                                 sta_entry->wireless_mode = WIRELESS_MODE_B;
 490                         if (sta->ht_cap.ht_supported)
 491                                 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
 492                 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
 493                         sta_entry->wireless_mode = WIRELESS_MODE_A;
 494                         if (sta->ht_cap.ht_supported)
 495                                 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
 496                 }
 497
 498                 /* I found some times mac80211 give wrong supp_rates for adhoc*/
 499                 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC)
 500                         sta_entry->wireless_mode = WIRELESS_MODE_G;
 501
 502                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 503                          "Add sta addr is %pM\n", sta->addr);
 504                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
 505         }
 506         return 0;
 507 }
 508 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
 509                                 struct ieee80211_vif *vif,
 510                                 struct ieee80211_sta *sta)
 511 {
 512         struct rtl_priv *rtlpriv = rtl_priv(hw);
 513         struct rtl_sta_info *sta_entry;
 514         if (sta) {
 515                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 516                          "Remove sta addr is %pM\n", sta->addr);
 517                 sta_entry = (struct rtl_sta_info *) sta->drv_priv;
 518                 sta_entry->wireless_mode = 0;
 519                 sta_entry->ratr_index = 0;
 520         }
 521         return 0;
 522 }
 523 static int _rtl_get_hal_qnum(u16 queue)
 524 {
 525         int qnum;
 526
 527         switch (queue) {
 528         case 0:
 529                 qnum = AC3_VO;
 530                 break;
 531         case 1:
 532                 qnum = AC2_VI;
 533                 break;
 534         case 2:
 535                 qnum = AC0_BE;
 536                 break;
 537         case 3:
 538                 qnum = AC1_BK;
 539                 break;
 540         default:
 541                 qnum = AC0_BE;
 542                 break;
 543         }
 544         return qnum;
 545 }
 546
 547 /*
 548  *for mac80211 VO=0, VI=1, BE=2, BK=3
 549  *for rtl819x  BE=0, BK=1, VI=2, VO=3
 550  */
 551 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
 552                    struct ieee80211_vif *vif, u16 queue,
 553                    const struct ieee80211_tx_queue_params *param)
 554 {
 555         struct rtl_priv *rtlpriv = rtl_priv(hw);
 556         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 557         int aci;
 558
 559         if (queue >= AC_MAX) {
 560                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 561                          "queue number %d is incorrect!\n", queue);
 562                 return -EINVAL;
 563         }
 564
 565         aci = _rtl_get_hal_qnum(queue);
 566         mac->ac[aci].aifs = param->aifs;
 567         mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
 568         mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
 569         mac->ac[aci].tx_op = cpu_to_le16(param->txop);
 570         memcpy(&mac->edca_param[aci], param, sizeof(*param));
 571         rtlpriv->cfg->ops->set_qos(hw, aci);
 572         return 0;
 573 }
 574
 575 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
 576                              struct ieee80211_vif *vif,
 577                              struct ieee80211_bss_conf *bss_conf, u32 changed)
 578 {
 579         struct rtl_priv *rtlpriv = rtl_priv(hw);
 580         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 581         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 582         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 583         struct ieee80211_sta *sta = NULL;
 584
 585         mutex_lock(&rtlpriv->locks.conf_mutex);
 586         if ((vif->type == NL80211_IFTYPE_ADHOC) ||
 587             (vif->type == NL80211_IFTYPE_AP) ||
 588             (vif->type == NL80211_IFTYPE_MESH_POINT)) {
 589                 if ((changed & BSS_CHANGED_BEACON) ||
 590                     (changed & BSS_CHANGED_BEACON_ENABLED &&
 591                      bss_conf->enable_beacon)) {
 592                         if (mac->beacon_enabled == 0) {
 593                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 594                                          "BSS_CHANGED_BEACON_ENABLED\n");
 595
 596                                 /*start hw beacon interrupt. */
 597                                 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
 598                                 mac->beacon_enabled = 1;
 599                                 rtlpriv->cfg->ops->update_interrupt_mask(hw,
 600                                                 rtlpriv->cfg->maps
 601                                                 [RTL_IBSS_INT_MASKS],
 602                                                 0);
 603
 604                                 if (rtlpriv->cfg->ops->linked_set_reg)
 605                                         rtlpriv->cfg->ops->linked_set_reg(hw);
 606                         }
 607                 }
 608                 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
 609                         !bss_conf->enable_beacon)) {
 610                         if (mac->beacon_enabled == 1) {
 611                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 612                                          "ADHOC DISABLE BEACON\n");
 613
 614                                 mac->beacon_enabled = 0;
 615                                 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 616                                                 rtlpriv->cfg->maps
 617                                                 [RTL_IBSS_INT_MASKS]);
 618                         }
 619                 }
 620                 if (changed & BSS_CHANGED_BEACON_INT) {
 621                         RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
 622                                  "BSS_CHANGED_BEACON_INT\n");
 623                         mac->beacon_interval = bss_conf->beacon_int;
 624                         rtlpriv->cfg->ops->set_bcn_intv(hw);
 625                 }
 626         }
 627
 628         /*TODO: reference to enum ieee80211_bss_change */
 629         if (changed & BSS_CHANGED_ASSOC) {
 630                 if (bss_conf->assoc) {
 631                         /* we should reset all sec info & cam
 632                          * before set cam after linked, we should not
 633                          * reset in disassoc, that will cause tkip->wep
 634                          * fail because some flag will be wrong */
 635                         /* reset sec info */
 636                         rtl_cam_reset_sec_info(hw);
 637                         /* reset cam to fix wep fail issue
 638                          * when change from wpa to wep */
 639                         rtl_cam_reset_all_entry(hw);
 640
 641                         mac->link_state = MAC80211_LINKED;
 642                         mac->cnt_after_linked = 0;
 643                         mac->assoc_id = bss_conf->aid;
 644                         memcpy(mac->bssid, bss_conf->bssid, 6);
 645
 646                         if (rtlpriv->cfg->ops->linked_set_reg)
 647                                 rtlpriv->cfg->ops->linked_set_reg(hw);
 648                         if (mac->opmode == NL80211_IFTYPE_STATION && sta)
 649                                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
 650                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 651                                  "BSS_CHANGED_ASSOC\n");
 652                 } else {
 653                         if (mac->link_state == MAC80211_LINKED)
 654                                 rtl_lps_leave(hw);
 655
 656                         mac->link_state = MAC80211_NOLINK;
 657                         memset(mac->bssid, 0, 6);
 658
 659                         /* reset sec info */
 660                         rtl_cam_reset_sec_info(hw);
 661
 662                         rtl_cam_reset_all_entry(hw);
 663                         mac->vendor = PEER_UNKNOWN;
 664
 665                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 666                                  "BSS_CHANGED_UN_ASSOC\n");
 667                 }
 668         }
 669
 670         if (changed & BSS_CHANGED_ERP_CTS_PROT) {
 671                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
 672                          "BSS_CHANGED_ERP_CTS_PROT\n");
 673                 mac->use_cts_protect = bss_conf->use_cts_prot;
 674         }
 675
 676         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
 677                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 678                          "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
 679                          bss_conf->use_short_preamble);
 680
 681                 mac->short_preamble = bss_conf->use_short_preamble;
 682                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
 683                                               (u8 *) (&mac->short_preamble));
 684         }
 685
 686         if (changed & BSS_CHANGED_ERP_SLOT) {
 687                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
 688                          "BSS_CHANGED_ERP_SLOT\n");
 689
 690                 if (bss_conf->use_short_slot)
 691                         mac->slot_time = RTL_SLOT_TIME_9;
 692                 else
 693                         mac->slot_time = RTL_SLOT_TIME_20;
 694
 695                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
 696                                               (u8 *) (&mac->slot_time));
 697         }
 698
 699         if (changed & BSS_CHANGED_HT) {
 700                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, "BSS_CHANGED_HT\n");
 701                 rcu_read_lock();
 702                 sta = get_sta(hw, vif, bss_conf->bssid);
 703                 if (sta) {
 704                         if (sta->ht_cap.ampdu_density >
 705                             mac->current_ampdu_density)
 706                                 mac->current_ampdu_density =
 707                                     sta->ht_cap.ampdu_density;
 708                         if (sta->ht_cap.ampdu_factor <
 709                             mac->current_ampdu_factor)
 710                                 mac->current_ampdu_factor =
 711                                     sta->ht_cap.ampdu_factor;
 712                 }
 713                 rcu_read_unlock();
 714
 715                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
 716                                               (u8 *) (&mac->max_mss_density));
 717                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
 718                                               &mac->current_ampdu_factor);
 719                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
 720                                               &mac->current_ampdu_density);
 721         }
 722
 723         if (changed & BSS_CHANGED_BSSID) {
 724                 u32 basic_rates;
 725
 726                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
 727                                               (u8 *) bss_conf->bssid);
 728
 729                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, "%pM\n",
 730                          bss_conf->bssid);
 731
 732                 mac->vendor = PEER_UNKNOWN;
 733                 memcpy(mac->bssid, bss_conf->bssid, 6);
 734                 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
 735
 736                 rcu_read_lock();
 737                 sta = get_sta(hw, vif, bss_conf->bssid);
 738                 if (!sta) {
 739                         rcu_read_unlock();
 740                         goto out;
 741                 }
 742
 743                 if (rtlhal->current_bandtype == BAND_ON_5G) {
 744                         mac->mode = WIRELESS_MODE_A;
 745                 } else {
 746                         if (sta->supp_rates[0] <= 0xf)
 747                                 mac->mode = WIRELESS_MODE_B;
 748                         else
 749                                 mac->mode = WIRELESS_MODE_G;
 750                 }
 751
 752                 if (sta->ht_cap.ht_supported) {
 753                         if (rtlhal->current_bandtype == BAND_ON_2_4G)
 754                                 mac->mode = WIRELESS_MODE_N_24G;
 755                         else
 756                                 mac->mode = WIRELESS_MODE_N_5G;
 757                 }
 758
 759                 /* just station need it, because ibss & ap mode will
 760                  * set in sta_add, and will be NULL here */
 761                 if (mac->opmode == NL80211_IFTYPE_STATION) {
 762                         struct rtl_sta_info *sta_entry;
 763                         sta_entry = (struct rtl_sta_info *) sta->drv_priv;
 764                         sta_entry->wireless_mode = mac->mode;
 765                 }
 766
 767                 if (sta->ht_cap.ht_supported) {
 768                         mac->ht_enable = true;
 769
 770                         /*
 771                          * for cisco 1252 bw20 it's wrong
 772                          * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
 773                          *      mac->bw_40 = true;
 774                          * }
 775                          * */
 776                 }
 777
 778                 if (changed & BSS_CHANGED_BASIC_RATES) {
 779                         /* for 5G must << RATE_6M_INDEX=4,
 780                          * because 5G have no cck rate*/
 781                         if (rtlhal->current_bandtype == BAND_ON_5G)
 782                                 basic_rates = sta->supp_rates[1] << 4;
 783                         else
 784                                 basic_rates = sta->supp_rates[0];
 785
 786                         mac->basic_rates = basic_rates;
 787                         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 788                                         (u8 *) (&basic_rates));
 789                 }
 790                 rcu_read_unlock();
 791         }
 792
 793         /*
 794          * For FW LPS:
 795          * To tell firmware we have connected
 796          * to an AP. For 92SE/CE power save v2.
 797          */
 798         if (changed & BSS_CHANGED_ASSOC) {
 799                 if (bss_conf->assoc) {
 800                         if (ppsc->fwctrl_lps) {
 801                                 u8 mstatus = RT_MEDIA_CONNECT;
 802                                 rtlpriv->cfg->ops->set_hw_reg(hw,
 803                                                       HW_VAR_H2C_FW_JOINBSSRPT,
 804                                                       (u8 *) (&mstatus));
 805                                 ppsc->report_linked = true;
 806                         }
 807                 } else {
 808                         if (ppsc->fwctrl_lps) {
 809                                 u8 mstatus = RT_MEDIA_DISCONNECT;
 810                                 rtlpriv->cfg->ops->set_hw_reg(hw,
 811                                                       HW_VAR_H2C_FW_JOINBSSRPT,
 812                                                       (u8 *)(&mstatus));
 813                                 ppsc->report_linked = false;
 814                         }
 815                 }
 816         }
 817
 818 out:
 819         mutex_unlock(&rtlpriv->locks.conf_mutex);
 820 }
 821
 822 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 823 {
 824         struct rtl_priv *rtlpriv = rtl_priv(hw);
 825         u64 tsf;
 826
 827         rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&tsf));
 828         return tsf;
 829 }
 830
 831 static void rtl_op_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 832                            u64 tsf)
 833 {
 834         struct rtl_priv *rtlpriv = rtl_priv(hw);
 835         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 836         u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
 837
 838         mac->tsf = tsf;
 839         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&bibss));
 840 }
 841
 842 static void rtl_op_reset_tsf(struct ieee80211_hw *hw,
 843                              struct ieee80211_vif *vif)
 844 {
 845         struct rtl_priv *rtlpriv = rtl_priv(hw);
 846         u8 tmp = 0;
 847
 848         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *) (&tmp));
 849 }
 850
 851 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
 852                               struct ieee80211_vif *vif,
 853                               enum sta_notify_cmd cmd,
 854                               struct ieee80211_sta *sta)
 855 {
 856         switch (cmd) {
 857         case STA_NOTIFY_SLEEP:
 858                 break;
 859         case STA_NOTIFY_AWAKE:
 860                 break;
 861         default:
 862                 break;
 863         }
 864 }
 865
 866 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
 867                                struct ieee80211_vif *vif,
 868                                enum ieee80211_ampdu_mlme_action action,
 869                                struct ieee80211_sta *sta, u16 tid, u16 *ssn,
 870                                u8 buf_size)
 871 {
 872         struct rtl_priv *rtlpriv = rtl_priv(hw);
 873
 874         switch (action) {
 875         case IEEE80211_AMPDU_TX_START:
 876                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
 877                          "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
 878                 return rtl_tx_agg_start(hw, sta, tid, ssn);
 879                 break;
 880         case IEEE80211_AMPDU_TX_STOP:
 881                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
 882                          "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
 883                 return rtl_tx_agg_stop(hw, sta, tid);
 884                 break;
 885         case IEEE80211_AMPDU_TX_OPERATIONAL:
 886                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
 887                          "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
 888                 rtl_tx_agg_oper(hw, sta, tid);
 889                 break;
 890         case IEEE80211_AMPDU_RX_START:
 891                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
 892                          "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
 893                 break;
 894         case IEEE80211_AMPDU_RX_STOP:
 895                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
 896                          "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
 897                 break;
 898         default:
 899                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 900                          "IEEE80211_AMPDU_ERR!!!!:\n");
 901                 return -EOPNOTSUPP;
 902         }
 903         return 0;
 904 }
 905
 906 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw)
 907 {
 908         struct rtl_priv *rtlpriv = rtl_priv(hw);
 909         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 910
 911         mac->act_scanning = true;
 912
 913         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
 914
 915         if (mac->link_state == MAC80211_LINKED) {
 916                 rtl_lps_leave(hw);
 917                 mac->link_state = MAC80211_LINKED_SCANNING;
 918         } else {
 919                 rtl_ips_nic_on(hw);
 920         }
 921
 922         /* Dual mac */
 923         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
 924
 925         rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
 926         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP);
 927 }
 928
 929 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw)
 930 {
 931         struct rtl_priv *rtlpriv = rtl_priv(hw);
 932         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 933
 934         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
 935         mac->act_scanning = false;
 936         /* Dual mac */
 937         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
 938
 939         if (mac->link_state == MAC80211_LINKED_SCANNING) {
 940                 mac->link_state = MAC80211_LINKED;
 941                 if (mac->opmode == NL80211_IFTYPE_STATION) {
 942                         /* fix fwlps issue */
 943                         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
 944                 }
 945         }
 946
 947         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
 948 }
 949
 950 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 951                           struct ieee80211_vif *vif, struct ieee80211_sta *sta,
 952                           struct ieee80211_key_conf *key)
 953 {
 954         struct rtl_priv *rtlpriv = rtl_priv(hw);
 955         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 956         u8 key_type = NO_ENCRYPTION;
 957         u8 key_idx;
 958         bool group_key = false;
 959         bool wep_only = false;
 960         int err = 0;
 961         u8 mac_addr[ETH_ALEN];
 962         u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 963         u8 zero_addr[ETH_ALEN] = { 0 };
 964
 965         if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
 966                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 967                          "not open hw encryption\n");
 968                 return -ENOSPC; /*User disabled HW-crypto */
 969         }
 970         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
 971                  "%s hardware based encryption for keyidx: %d, mac: %pM\n",
 972                  cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
 973                  sta ? sta->addr : bcast_addr);
 974         rtlpriv->sec.being_setkey = true;
 975         rtl_ips_nic_on(hw);
 976         mutex_lock(&rtlpriv->locks.conf_mutex);
 977         /* <1> get encryption alg */
 978
 979         switch (key->cipher) {
 980         case WLAN_CIPHER_SUITE_WEP40:
 981                 key_type = WEP40_ENCRYPTION;
 982                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
 983                 break;
 984         case WLAN_CIPHER_SUITE_WEP104:
 985                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
 986                 key_type = WEP104_ENCRYPTION;
 987                 break;
 988         case WLAN_CIPHER_SUITE_TKIP:
 989                 key_type = TKIP_ENCRYPTION;
 990                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
 991                 break;
 992         case WLAN_CIPHER_SUITE_CCMP:
 993                 key_type = AESCCMP_ENCRYPTION;
 994                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
 995                 break;
 996         default:
 997                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "alg_err:%x!!!!\n",
 998                          key->cipher);
 999                 goto out_unlock;
1000         }
1001         if (key_type == WEP40_ENCRYPTION ||
1002                         key_type == WEP104_ENCRYPTION ||
1003                         mac->opmode == NL80211_IFTYPE_ADHOC)
1004                 rtlpriv->sec.use_defaultkey = true;
1005
1006         /* <2> get key_idx */
1007         key_idx = (u8) (key->keyidx);
1008         if (key_idx > 3)
1009                 goto out_unlock;
1010         /* <3> if pairwise key enable_hw_sec */
1011         group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1012
1013         /* wep always be group key, but there are two conditions:
1014          * 1) wep only: is just for wep enc, in this condition
1015          * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1016          * will be true & enable_hw_sec will be set when wep
1017          * ke setting.
1018          * 2) wep(group) + AES(pairwise): some AP like cisco
1019          * may use it, in this condition enable_hw_sec will not
1020          * be set when wep key setting */
1021         /* we must reset sec_info after lingked before set key,
1022          * or some flag will be wrong*/
1023         if (mac->opmode == NL80211_IFTYPE_AP) {
1024                 if (!group_key || key_type == WEP40_ENCRYPTION ||
1025                         key_type == WEP104_ENCRYPTION) {
1026                         if (group_key)
1027                                 wep_only = true;
1028                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1029                 }
1030         } else {
1031                 if ((!group_key) || (mac->opmode == NL80211_IFTYPE_ADHOC) ||
1032                      rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1033                         if (rtlpriv->sec.pairwise_enc_algorithm ==
1034                             NO_ENCRYPTION &&
1035                             (key_type == WEP40_ENCRYPTION ||
1036                             key_type == WEP104_ENCRYPTION))
1037                                 wep_only = true;
1038                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1039                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1040                                  "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1041                                  key_type);
1042                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1043                 }
1044         }
1045         /* <4> set key based on cmd */
1046         switch (cmd) {
1047         case SET_KEY:
1048                 if (wep_only) {
1049                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1050                                  "set WEP(group/pairwise) key\n");
1051                         /* Pairwise key with an assigned MAC address. */
1052                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1053                         rtlpriv->sec.group_enc_algorithm = key_type;
1054                         /*set local buf about wep key. */
1055                         memcpy(rtlpriv->sec.key_buf[key_idx],
1056                                key->key, key->keylen);
1057                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1058                         memcpy(mac_addr, zero_addr, ETH_ALEN);
1059                 } else if (group_key) { /* group key */
1060                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1061                                  "set group key\n");
1062                         /* group key */
1063                         rtlpriv->sec.group_enc_algorithm = key_type;
1064                         /*set local buf about group key. */
1065                         memcpy(rtlpriv->sec.key_buf[key_idx],
1066                                key->key, key->keylen);
1067                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1068                         memcpy(mac_addr, bcast_addr, ETH_ALEN);
1069                 } else {        /* pairwise key */
1070                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1071                                  "set pairwise key\n");
1072                         if (!sta) {
1073                                 RT_ASSERT(false,
1074                                           "pairwise key without mac_addr\n");
1075
1076                                 err = -EOPNOTSUPP;
1077                                 goto out_unlock;
1078                         }
1079                         /* Pairwise key with an assigned MAC address. */
1080                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1081                         /*set local buf about pairwise key. */
1082                         memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1083                                key->key, key->keylen);
1084                         rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1085                         rtlpriv->sec.pairwise_key =
1086                             rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1087                         memcpy(mac_addr, sta->addr, ETH_ALEN);
1088                 }
1089                 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1090                                            group_key, key_type, wep_only,
1091                                            false);
1092                 /* <5> tell mac80211 do something: */
1093                 /*must use sw generate IV, or can not work !!!!. */
1094                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1095                 key->hw_key_idx = key_idx;
1096                 if (key_type == TKIP_ENCRYPTION)
1097                         key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1098                 break;
1099         case DISABLE_KEY:
1100                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1101                          "disable key delete one entry\n");
1102                 /*set local buf about wep key. */
1103                 if (mac->opmode == NL80211_IFTYPE_AP) {
1104                         if (sta)
1105                                 rtl_cam_del_entry(hw, sta->addr);
1106                 }
1107                 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1108                 rtlpriv->sec.key_len[key_idx] = 0;
1109                 memcpy(mac_addr, zero_addr, ETH_ALEN);
1110                 /*
1111                  *mac80211 will delete entrys one by one,
1112                  *so don't use rtl_cam_reset_all_entry
1113                  *or clear all entry here.
1114                  */
1115                 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1116
1117                 rtl_cam_reset_sec_info(hw);
1118
1119                 break;
1120         default:
1121                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1122                          "cmd_err:%x!!!!\n", cmd);
1123         }
1124 out_unlock:
1125         mutex_unlock(&rtlpriv->locks.conf_mutex);
1126         rtlpriv->sec.being_setkey = false;
1127         return err;
1128 }
1129
1130 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1131 {
1132         struct rtl_priv *rtlpriv = rtl_priv(hw);
1133
1134         bool radio_state;
1135         bool blocked;
1136         u8 valid = 0;
1137
1138         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1139                 return;
1140
1141         mutex_lock(&rtlpriv->locks.conf_mutex);
1142
1143         /*if Radio On return true here */
1144         radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1145
1146         if (valid) {
1147                 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1148                         rtlpriv->rfkill.rfkill_state = radio_state;
1149
1150                         RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1151                                  "wireless radio switch turned %s\n",
1152                                  radio_state ? "on" : "off");
1153
1154                         blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1155                         wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1156                 }
1157         }
1158
1159         mutex_unlock(&rtlpriv->locks.conf_mutex);
1160 }
1161
1162 /* this function is called by mac80211 to flush tx buffer
1163  * before switch channle or power save, or tx buffer packet
1164  * maybe send after offchannel or rf sleep, this may cause
1165  * dis-association by AP */
1166 static void rtl_op_flush(struct ieee80211_hw *hw, bool drop)
1167 {
1168         struct rtl_priv *rtlpriv = rtl_priv(hw);
1169
1170         if (rtlpriv->intf_ops->flush)
1171                 rtlpriv->intf_ops->flush(hw, drop);
1172 }
1173
1174 const struct ieee80211_ops rtl_ops = {
1175         .start = rtl_op_start,
1176         .stop = rtl_op_stop,
1177         .tx = rtl_op_tx,
1178         .add_interface = rtl_op_add_interface,
1179         .remove_interface = rtl_op_remove_interface,
1180         .config = rtl_op_config,
1181         .configure_filter = rtl_op_configure_filter,
1182         .sta_add = rtl_op_sta_add,
1183         .sta_remove = rtl_op_sta_remove,
1184         .set_key = rtl_op_set_key,
1185         .conf_tx = rtl_op_conf_tx,
1186         .bss_info_changed = rtl_op_bss_info_changed,
1187         .get_tsf = rtl_op_get_tsf,
1188         .set_tsf = rtl_op_set_tsf,
1189         .reset_tsf = rtl_op_reset_tsf,
1190         .sta_notify = rtl_op_sta_notify,
1191         .ampdu_action = rtl_op_ampdu_action,
1192         .sw_scan_start = rtl_op_sw_scan_start,
1193         .sw_scan_complete = rtl_op_sw_scan_complete,
1194         .rfkill_poll = rtl_op_rfkill_poll,
1195         .flush = rtl_op_flush,
1196 };