drivers/net/wireless/realtek/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  * The full GNU General Public License is included in this distribution in the
  15  * file called LICENSE.
  16  *
  17  * Contact Information:
  18  * wlanfae <wlanfae@realtek.com>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  * Larry Finger <Larry.Finger@lwfinger.net>
  23  *
  24  *****************************************************************************/
  25
  26 #include "wifi.h"
  27 #include "core.h"
  28 #include "cam.h"
  29 #include "base.h"
  30 #include "ps.h"
  31 #include "pwrseqcmd.h"
  32
  33 #include "btcoexist/rtl_btc.h"
  34 #include <linux/firmware.h>
  35 #include <linux/export.h>
  36 #include <net/cfg80211.h>
  37
  38 u8 channel5g[CHANNEL_MAX_NUMBER_5G] = {
  39         36, 38, 40, 42, 44, 46, 48,             /* Band 1 */
  40         52, 54, 56, 58, 60, 62, 64,             /* Band 2 */
  41         100, 102, 104, 106, 108, 110, 112,      /* Band 3 */
  42         116, 118, 120, 122, 124, 126, 128,      /* Band 3 */
  43         132, 134, 136, 138, 140, 142, 144,      /* Band 3 */
  44         149, 151, 153, 155, 157, 159, 161,      /* Band 4 */
  45         165, 167, 169, 171, 173, 175, 177       /* Band 4 */
  46 };
  47 EXPORT_SYMBOL(channel5g);
  48
  49 u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = {
  50         42, 58, 106, 122, 138, 155, 171
  51 };
  52 EXPORT_SYMBOL(channel5g_80m);
  53
  54 void rtl_addr_delay(u32 addr)
  55 {
  56         if (addr == 0xfe)
  57                 mdelay(50);
  58         else if (addr == 0xfd)
  59                 msleep(5);
  60         else if (addr == 0xfc)
  61                 msleep(1);
  62         else if (addr == 0xfb)
  63                 usleep_range(50, 100);
  64         else if (addr == 0xfa)
  65                 usleep_range(5, 10);
  66         else if (addr == 0xf9)
  67                 usleep_range(1, 2);
  68 }
  69 EXPORT_SYMBOL(rtl_addr_delay);
  70
  71 void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr,
  72                      u32 mask, u32 data)
  73 {
  74         if (addr >= 0xf9 && addr <= 0xfe) {
  75                 rtl_addr_delay(addr);
  76         } else {
  77                 rtl_set_rfreg(hw, rfpath, addr, mask, data);
  78                 udelay(1);
  79         }
  80 }
  81 EXPORT_SYMBOL(rtl_rfreg_delay);
  82
  83 void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data)
  84 {
  85         if (addr >= 0xf9 && addr <= 0xfe) {
  86                 rtl_addr_delay(addr);
  87         } else {
  88                 rtl_set_bbreg(hw, addr, MASKDWORD, data);
  89                 udelay(1);
  90         }
  91 }
  92 EXPORT_SYMBOL(rtl_bb_delay);
  93
  94 static void rtl_fw_do_work(const struct firmware *firmware, void *context,
  95                            bool is_wow)
  96 {
  97         struct ieee80211_hw *hw = context;
  98         struct rtl_priv *rtlpriv = rtl_priv(hw);
  99         int err;
 100
 101         RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
 102                  "Firmware callback routine entered!\n");
 103         complete(&rtlpriv->firmware_loading_complete);
 104         if (!firmware) {
 105                 if (rtlpriv->cfg->alt_fw_name) {
 106                         err = request_firmware(&firmware,
 107                                                rtlpriv->cfg->alt_fw_name,
 108                                                rtlpriv->io.dev);
 109                         pr_info("Loading alternative firmware %s\n",
 110                                 rtlpriv->cfg->alt_fw_name);
 111                         if (!err)
 112                                 goto found_alt;
 113                 }
 114                 pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name);
 115                 rtlpriv->max_fw_size = 0;
 116                 return;
 117         }
 118 found_alt:
 119         if (firmware->size > rtlpriv->max_fw_size) {
 120                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 121                          "Firmware is too big!\n");
 122                 release_firmware(firmware);
 123                 return;
 124         }
 125         if (!is_wow) {
 126                 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
 127                        firmware->size);
 128                 rtlpriv->rtlhal.fwsize = firmware->size;
 129         } else {
 130                 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
 131                        firmware->size);
 132                 rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
 133         }
 134         rtlpriv->rtlhal.fwsize = firmware->size;
 135         release_firmware(firmware);
 136 }
 137
 138 void rtl_fw_cb(const struct firmware *firmware, void *context)
 139 {
 140         rtl_fw_do_work(firmware, context, false);
 141 }
 142 EXPORT_SYMBOL(rtl_fw_cb);
 143
 144 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
 145 {
 146         rtl_fw_do_work(firmware, context, true);
 147 }
 148 EXPORT_SYMBOL(rtl_wowlan_fw_cb);
 149
 150 /*mutex for start & stop is must here. */
 151 static int rtl_op_start(struct ieee80211_hw *hw)
 152 {
 153         int err = 0;
 154         struct rtl_priv *rtlpriv = rtl_priv(hw);
 155         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 156
 157         if (!is_hal_stop(rtlhal))
 158                 return 0;
 159         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 160                 return 0;
 161         mutex_lock(&rtlpriv->locks.conf_mutex);
 162         err = rtlpriv->intf_ops->adapter_start(hw);
 163         if (!err)
 164                 rtl_watch_dog_timer_callback((unsigned long)hw);
 165         mutex_unlock(&rtlpriv->locks.conf_mutex);
 166         return err;
 167 }
 168
 169 static void rtl_op_stop(struct ieee80211_hw *hw)
 170 {
 171         struct rtl_priv *rtlpriv = rtl_priv(hw);
 172         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 173         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 174         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 175         bool support_remote_wakeup = false;
 176
 177         if (is_hal_stop(rtlhal))
 178                 return;
 179
 180         rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
 181                                       (u8 *)(&support_remote_wakeup));
 182         /* here is must, because adhoc do stop and start,
 183          * but stop with RFOFF may cause something wrong,
 184          * like adhoc TP
 185          */
 186         if (unlikely(ppsc->rfpwr_state == ERFOFF))
 187                 rtl_ips_nic_on(hw);
 188
 189         mutex_lock(&rtlpriv->locks.conf_mutex);
 190         /* if wowlan supported, DON'T clear connected info */
 191         if (!(support_remote_wakeup &&
 192               rtlhal->enter_pnp_sleep)) {
 193                 mac->link_state = MAC80211_NOLINK;
 194                 eth_zero_addr(mac->bssid);
 195                 mac->vendor = PEER_UNKNOWN;
 196
 197                 /* reset sec info */
 198                 rtl_cam_reset_sec_info(hw);
 199
 200                 rtl_deinit_deferred_work(hw);
 201         }
 202         rtlpriv->intf_ops->adapter_stop(hw);
 203
 204         mutex_unlock(&rtlpriv->locks.conf_mutex);
 205 }
 206
 207 static void rtl_op_tx(struct ieee80211_hw *hw,
 208                       struct ieee80211_tx_control *control,
 209                       struct sk_buff *skb)
 210 {
 211         struct rtl_priv *rtlpriv = rtl_priv(hw);
 212         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 213         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 214         struct rtl_tcb_desc tcb_desc;
 215         memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 216
 217         if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
 218                 goto err_free;
 219
 220         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 221                 goto err_free;
 222
 223         if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
 224                 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
 225         return;
 226
 227 err_free:
 228         dev_kfree_skb_any(skb);
 229 }
 230
 231 static int rtl_op_add_interface(struct ieee80211_hw *hw,
 232                 struct ieee80211_vif *vif)
 233 {
 234         struct rtl_priv *rtlpriv = rtl_priv(hw);
 235         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 236         int err = 0;
 237
 238         if (mac->vif) {
 239                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 240                          "vif has been set!! mac->vif = 0x%p\n", mac->vif);
 241                 return -EOPNOTSUPP;
 242         }
 243
 244         vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
 245
 246         rtl_ips_nic_on(hw);
 247
 248         mutex_lock(&rtlpriv->locks.conf_mutex);
 249         switch (ieee80211_vif_type_p2p(vif)) {
 250         case NL80211_IFTYPE_P2P_CLIENT:
 251                 mac->p2p = P2P_ROLE_CLIENT;
 252                 /*fall through*/
 253         case NL80211_IFTYPE_STATION:
 254                 if (mac->beacon_enabled == 1) {
 255                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 256                                  "NL80211_IFTYPE_STATION\n");
 257                         mac->beacon_enabled = 0;
 258                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 259                                         rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 260                 }
 261                 break;
 262         case NL80211_IFTYPE_ADHOC:
 263                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 264                          "NL80211_IFTYPE_ADHOC\n");
 265
 266                 mac->link_state = MAC80211_LINKED;
 267                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 268                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 269                         mac->basic_rates = 0xfff;
 270                 else
 271                         mac->basic_rates = 0xff0;
 272                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 273                                 (u8 *)(&mac->basic_rates));
 274
 275                 break;
 276         case NL80211_IFTYPE_P2P_GO:
 277                 mac->p2p = P2P_ROLE_GO;
 278                 /*fall through*/
 279         case NL80211_IFTYPE_AP:
 280                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 281                          "NL80211_IFTYPE_AP\n");
 282
 283                 mac->link_state = MAC80211_LINKED;
 284                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 285                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 286                         mac->basic_rates = 0xfff;
 287                 else
 288                         mac->basic_rates = 0xff0;
 289                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 290                                               (u8 *)(&mac->basic_rates));
 291                 break;
 292         case NL80211_IFTYPE_MESH_POINT:
 293                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 294                          "NL80211_IFTYPE_MESH_POINT\n");
 295
 296                 mac->link_state = MAC80211_LINKED;
 297                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 298                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 299                         mac->basic_rates = 0xfff;
 300                 else
 301                         mac->basic_rates = 0xff0;
 302                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 303                                 (u8 *)(&mac->basic_rates));
 304                 break;
 305         default:
 306                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 307                          "operation mode %d is not support!\n", vif->type);
 308                 err = -EOPNOTSUPP;
 309                 goto out;
 310         }
 311
 312         if (mac->p2p) {
 313                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 314                          "p2p role %x\n", vif->type);
 315                 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
 316                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 317                                 (u8 *)(&mac->basic_rates));
 318         }
 319         mac->vif = vif;
 320         mac->opmode = vif->type;
 321         rtlpriv->cfg->ops->set_network_type(hw, vif->type);
 322         memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
 323         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
 324
 325 out:
 326         mutex_unlock(&rtlpriv->locks.conf_mutex);
 327         return err;
 328 }
 329
 330 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
 331                 struct ieee80211_vif *vif)
 332 {
 333         struct rtl_priv *rtlpriv = rtl_priv(hw);
 334         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 335
 336         mutex_lock(&rtlpriv->locks.conf_mutex);
 337
 338         /* Free beacon resources */
 339         if ((vif->type == NL80211_IFTYPE_AP) ||
 340             (vif->type == NL80211_IFTYPE_ADHOC) ||
 341             (vif->type == NL80211_IFTYPE_MESH_POINT)) {
 342                 if (mac->beacon_enabled == 1) {
 343                         mac->beacon_enabled = 0;
 344                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 345                                         rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 346                 }
 347         }
 348
 349         /*
 350          *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
 351          *NO LINK for our hardware.
 352          */
 353         mac->p2p = 0;
 354         mac->vif = NULL;
 355         mac->link_state = MAC80211_NOLINK;
 356         eth_zero_addr(mac->bssid);
 357         mac->vendor = PEER_UNKNOWN;
 358         mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
 359         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
 360
 361         mutex_unlock(&rtlpriv->locks.conf_mutex);
 362 }
 363 static int rtl_op_change_interface(struct ieee80211_hw *hw,
 364                                    struct ieee80211_vif *vif,
 365                                    enum nl80211_iftype new_type, bool p2p)
 366 {
 367         struct rtl_priv *rtlpriv = rtl_priv(hw);
 368         int ret;
 369         rtl_op_remove_interface(hw, vif);
 370
 371         vif->type = new_type;
 372         vif->p2p = p2p;
 373         ret = rtl_op_add_interface(hw, vif);
 374         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 375                  "p2p  %x\n", p2p);
 376         return ret;
 377 }
 378
 379 #ifdef CONFIG_PM
 380 static u16 crc16_ccitt(u8 data, u16 crc)
 381 {
 382         u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
 383         u8 i;
 384         u16 result;
 385
 386         for (i = 0; i < 8; i++) {
 387                 crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
 388                 data_bit  = (data & (BIT(0) << i) ? 1 : 0);
 389                 shift_in = crc_bit15 ^ data_bit;
 390
 391                 result = crc << 1;
 392                 if (shift_in == 0)
 393                         result &= (~BIT(0));
 394                 else
 395                         result |= BIT(0);
 396
 397                 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
 398                 if (crc_bit11 == 0)
 399                         result &= (~BIT(12));
 400                 else
 401                         result |= BIT(12);
 402
 403                 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
 404                 if (crc_bit4 == 0)
 405                         result &= (~BIT(5));
 406                 else
 407                         result |= BIT(5);
 408
 409                 crc = result;
 410         }
 411
 412         return crc;
 413 }
 414
 415 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
 416 {
 417         u16 crc = 0xffff;
 418         u32 i;
 419
 420         for (i = 0; i < len; i++)
 421                 crc = crc16_ccitt(pattern[i], crc);
 422
 423         crc = ~crc;
 424
 425         return crc;
 426 }
 427
 428 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
 429                                      struct cfg80211_wowlan *wow)
 430 {
 431         struct rtl_priv *rtlpriv = rtl_priv(hw);
 432         struct rtl_mac *mac = &rtlpriv->mac80211;
 433         struct cfg80211_pkt_pattern *patterns = wow->patterns;
 434         struct rtl_wow_pattern rtl_pattern;
 435         const u8 *pattern_os, *mask_os;
 436         u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
 437         u8 content[MAX_WOL_PATTERN_SIZE] = {0};
 438         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 439         u8 multicast_addr1[2] = {0x33, 0x33};
 440         u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
 441         u8 i, mask_len;
 442         u16 j, len;
 443
 444         for (i = 0; i < wow->n_patterns; i++) {
 445                 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
 446                 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
 447                 if (patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
 448                         RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING,
 449                                  "Pattern[%d] is too long\n", i);
 450                         continue;
 451                 }
 452                 pattern_os = patterns[i].pattern;
 453                 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
 454                 mask_os = patterns[i].mask;
 455                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 456                               "pattern content\n", pattern_os,
 457                                patterns[i].pattern_len);
 458                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 459                               "mask content\n", mask_os, mask_len);
 460                 /* 1. unicast? multicast? or broadcast? */
 461                 if (memcmp(pattern_os, broadcast_addr, 6) == 0)
 462                         rtl_pattern.type = BROADCAST_PATTERN;
 463                 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
 464                          memcmp(pattern_os, multicast_addr2, 3) == 0)
 465                         rtl_pattern.type = MULTICAST_PATTERN;
 466                 else if  (memcmp(pattern_os, mac->mac_addr, 6) == 0)
 467                         rtl_pattern.type = UNICAST_PATTERN;
 468                 else
 469                         rtl_pattern.type = UNKNOWN_TYPE;
 470
 471                 /* 2. translate mask_from_os to mask_for_hw */
 472
 473 /******************************************************************************
 474  * pattern from OS uses 'ethenet frame', like this:
 475
 476                    |    6   |    6   |   2  |     20    |  Variable  |  4  |
 477                    |--------+--------+------+-----------+------------+-----|
 478                    |    802.3 Mac Header    | IP Header | TCP Packet | FCS |
 479                    |   DA   |   SA   | Type |
 480
 481  * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
 482
 483         |     24 or 30      |    6   |   2  |     20    |  Variable  |  4  |
 484         |-------------------+--------+------+-----------+------------+-----|
 485         | 802.11 MAC Header |       LLC     | IP Header | TCP Packet | FCS |
 486                             | Others | Tpye |
 487
 488  * Therefore, we need translate mask_from_OS to mask_to_hw.
 489  * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
 490  * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
 491  * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
 492  ******************************************************************************/
 493
 494                 /* Shift 6 bits */
 495                 for (j = 0; j < mask_len - 1; j++) {
 496                         mask[j] = mask_os[j] >> 6;
 497                         mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
 498                 }
 499                 mask[j] = (mask_os[j] >> 6) & 0x3F;
 500                 /* Set bit 0-5 to zero */
 501                 mask[0] &= 0xC0;
 502
 503                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 504                               "mask to hw\n", mask, mask_len);
 505                 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
 506                         rtl_pattern.mask[j] = mask[j * 4];
 507                         rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
 508                         rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
 509                         rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
 510                 }
 511
 512                 /* To get the wake up pattern from the mask.
 513                  * We do not count first 12 bits which means
 514                  * DA[6] and SA[6] in the pattern to match HW design.
 515                  */
 516                 len = 0;
 517                 for (j = 12; j < patterns[i].pattern_len; j++) {
 518                         if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
 519                                 content[len] = pattern_os[j];
 520                                 len++;
 521                         }
 522                 }
 523
 524                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 525                               "pattern to hw\n", content, len);
 526                 /* 3. calculate crc */
 527                 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
 528                 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
 529                          "CRC_Remainder = 0x%x\n", rtl_pattern.crc);
 530
 531                 /* 4. write crc & mask_for_hw to hw */
 532                 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
 533         }
 534         rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
 535 }
 536
 537 static int rtl_op_suspend(struct ieee80211_hw *hw,
 538                           struct cfg80211_wowlan *wow)
 539 {
 540         struct rtl_priv *rtlpriv = rtl_priv(hw);
 541         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 542         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 543         struct timeval ts;
 544
 545         RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 546         if (WARN_ON(!wow))
 547                 return -EINVAL;
 548
 549         /* to resolve s4 can not wake up*/
 550         do_gettimeofday(&ts);
 551         rtlhal->last_suspend_sec = ts.tv_sec;
 552
 553         if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
 554                 _rtl_add_wowlan_patterns(hw, wow);
 555
 556         rtlhal->driver_is_goingto_unload = true;
 557         rtlhal->enter_pnp_sleep = true;
 558
 559         rtl_lps_leave(hw);
 560         rtl_op_stop(hw);
 561         device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
 562         return 0;
 563 }
 564
 565 static int rtl_op_resume(struct ieee80211_hw *hw)
 566 {
 567         struct rtl_priv *rtlpriv = rtl_priv(hw);
 568         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 569         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 570         struct timeval ts;
 571
 572         RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 573         rtlhal->driver_is_goingto_unload = false;
 574         rtlhal->enter_pnp_sleep = false;
 575         rtlhal->wake_from_pnp_sleep = true;
 576
 577         /* to resovle s4 can not wake up*/
 578         do_gettimeofday(&ts);
 579         if (ts.tv_sec - rtlhal->last_suspend_sec < 5)
 580                 return -1;
 581
 582         rtl_op_start(hw);
 583         device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
 584         ieee80211_resume_disconnect(mac->vif);
 585         rtlhal->wake_from_pnp_sleep = false;
 586         return 0;
 587 }
 588 #endif
 589
 590 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
 591 {
 592         struct rtl_priv *rtlpriv = rtl_priv(hw);
 593         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 594         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 595         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 596         struct ieee80211_conf *conf = &hw->conf;
 597
 598         if (mac->skip_scan)
 599                 return 1;
 600
 601         mutex_lock(&rtlpriv->locks.conf_mutex);
 602         if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {  /* BIT(2)*/
 603                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 604                          "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
 605         }
 606
 607         /*For IPS */
 608         if (changed & IEEE80211_CONF_CHANGE_IDLE) {
 609                 if (hw->conf.flags & IEEE80211_CONF_IDLE)
 610                         rtl_ips_nic_off(hw);
 611                 else
 612                         rtl_ips_nic_on(hw);
 613         } else {
 614                 /*
 615                  *although rfoff may not cause by ips, but we will
 616                  *check the reason in set_rf_power_state function
 617                  */
 618                 if (unlikely(ppsc->rfpwr_state == ERFOFF))
 619                         rtl_ips_nic_on(hw);
 620         }
 621
 622         /*For LPS */
 623         if (changed & IEEE80211_CONF_CHANGE_PS) {
 624                 cancel_delayed_work(&rtlpriv->works.ps_work);
 625                 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 626                 if (conf->flags & IEEE80211_CONF_PS) {
 627                         rtlpriv->psc.sw_ps_enabled = true;
 628                         /* sleep here is must, or we may recv the beacon and
 629                          * cause mac80211 into wrong ps state, this will cause
 630                          * power save nullfunc send fail, and further cause
 631                          * pkt loss, So sleep must quickly but not immediatly
 632                          * because that will cause nullfunc send by mac80211
 633                          * fail, and cause pkt loss, we have tested that 5mA
 634                          * is worked very well */
 635                         if (!rtlpriv->psc.multi_buffered)
 636                                 queue_delayed_work(rtlpriv->works.rtl_wq,
 637                                                    &rtlpriv->works.ps_work,
 638                                                    MSECS(5));
 639                 } else {
 640                         rtl_swlps_rf_awake(hw);
 641                         rtlpriv->psc.sw_ps_enabled = false;
 642                 }
 643         }
 644
 645         if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
 646                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 647                          "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
 648                          hw->conf.long_frame_max_tx_count);
 649                 mac->retry_long = hw->conf.long_frame_max_tx_count;
 650                 mac->retry_short = hw->conf.long_frame_max_tx_count;
 651                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 652                                 (u8 *)(&hw->conf.long_frame_max_tx_count));
 653         }
 654
 655         if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
 656             !rtlpriv->proximity.proxim_on) {
 657                 struct ieee80211_channel *channel = hw->conf.chandef.chan;
 658                 enum nl80211_chan_width width = hw->conf.chandef.width;
 659                 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
 660                 u8 wide_chan = (u8) channel->hw_value;
 661
 662                 /* channel_type is for 20&40M */
 663                 if (width < NL80211_CHAN_WIDTH_80)
 664                         channel_type =
 665                                 cfg80211_get_chandef_type(&hw->conf.chandef);
 666                 if (mac->act_scanning)
 667                         mac->n_channels++;
 668
 669                 if (rtlpriv->dm.supp_phymode_switch &&
 670                         mac->link_state < MAC80211_LINKED &&
 671                         !mac->act_scanning) {
 672                         if (rtlpriv->cfg->ops->chk_switch_dmdp)
 673                                 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
 674                 }
 675
 676                 /*
 677                  *because we should back channel to
 678                  *current_network.chan in in scanning,
 679                  *So if set_chan == current_network.chan
 680                  *we should set it.
 681                  *because mac80211 tell us wrong bw40
 682                  *info for cisco1253 bw20, so we modify
 683                  *it here based on UPPER & LOWER
 684                  */
 685
 686                 if (width >= NL80211_CHAN_WIDTH_80) {
 687                         if (width == NL80211_CHAN_WIDTH_80) {
 688                                 u32 center = hw->conf.chandef.center_freq1;
 689                                 u32 primary =
 690                                 (u32)hw->conf.chandef.chan->center_freq;
 691
 692                                 rtlphy->current_chan_bw =
 693                                         HT_CHANNEL_WIDTH_80;
 694                                 mac->bw_80 = true;
 695                                 mac->bw_40 = true;
 696                                 if (center > primary) {
 697                                         mac->cur_80_prime_sc =
 698                                         PRIME_CHNL_OFFSET_LOWER;
 699                                         if (center - primary == 10) {
 700                                                 mac->cur_40_prime_sc =
 701                                                 PRIME_CHNL_OFFSET_UPPER;
 702
 703                                                 wide_chan += 2;
 704                                         } else if (center - primary == 30) {
 705                                                 mac->cur_40_prime_sc =
 706                                                 PRIME_CHNL_OFFSET_LOWER;
 707
 708                                                 wide_chan += 6;
 709                                         }
 710                                 } else {
 711                                         mac->cur_80_prime_sc =
 712                                         PRIME_CHNL_OFFSET_UPPER;
 713                                         if (primary - center == 10) {
 714                                                 mac->cur_40_prime_sc =
 715                                                 PRIME_CHNL_OFFSET_LOWER;
 716
 717                                                 wide_chan -= 2;
 718                                         } else if (primary - center == 30) {
 719                                                 mac->cur_40_prime_sc =
 720                                                 PRIME_CHNL_OFFSET_UPPER;
 721
 722                                                 wide_chan -= 6;
 723                                         }
 724                                 }
 725                         }
 726                 } else {
 727                         switch (channel_type) {
 728                         case NL80211_CHAN_HT20:
 729                         case NL80211_CHAN_NO_HT:
 730                                         /* SC */
 731                                         mac->cur_40_prime_sc =
 732                                                 PRIME_CHNL_OFFSET_DONT_CARE;
 733                                         rtlphy->current_chan_bw =
 734                                                 HT_CHANNEL_WIDTH_20;
 735                                         mac->bw_40 = false;
 736                                         mac->bw_80 = false;
 737                                         break;
 738                         case NL80211_CHAN_HT40MINUS:
 739                                         /* SC */
 740                                         mac->cur_40_prime_sc =
 741                                                 PRIME_CHNL_OFFSET_UPPER;
 742                                         rtlphy->current_chan_bw =
 743                                                 HT_CHANNEL_WIDTH_20_40;
 744                                         mac->bw_40 = true;
 745                                         mac->bw_80 = false;
 746
 747                                         /*wide channel */
 748                                         wide_chan -= 2;
 749
 750                                         break;
 751                         case NL80211_CHAN_HT40PLUS:
 752                                         /* SC */
 753                                         mac->cur_40_prime_sc =
 754                                                 PRIME_CHNL_OFFSET_LOWER;
 755                                         rtlphy->current_chan_bw =
 756                                                 HT_CHANNEL_WIDTH_20_40;
 757                                         mac->bw_40 = true;
 758                                         mac->bw_80 = false;
 759
 760                                         /*wide channel */
 761                                         wide_chan += 2;
 762
 763                                         break;
 764                         default:
 765                                         mac->bw_40 = false;
 766                                         mac->bw_80 = false;
 767                                         RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 768                                                  "switch case %#x not processed\n",
 769                                                  channel_type);
 770                                         break;
 771                         }
 772                 }
 773
 774                 if (wide_chan <= 0)
 775                         wide_chan = 1;
 776
 777                 /* In scanning, when before we offchannel we may send a ps=1
 778                  * null to AP, and then we may send a ps = 0 null to AP quickly,
 779                  * but first null may have caused AP to put lots of packet to
 780                  * hw tx buffer. These packets must be tx'd before we go off
 781                  * channel so we must delay more time to let AP flush these
 782                  * packets before going offchannel, or dis-association or
 783                  * delete BA will be caused by AP
 784                  */
 785                 if (rtlpriv->mac80211.offchan_delay) {
 786                         rtlpriv->mac80211.offchan_delay = false;
 787                         mdelay(50);
 788                 }
 789
 790                 rtlphy->current_channel = wide_chan;
 791
 792                 rtlpriv->cfg->ops->switch_channel(hw);
 793                 rtlpriv->cfg->ops->set_channel_access(hw);
 794                 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
 795         }
 796
 797         mutex_unlock(&rtlpriv->locks.conf_mutex);
 798
 799         return 0;
 800 }
 801
 802 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
 803                                     unsigned int changed_flags,
 804                                     unsigned int *new_flags, u64 multicast)
 805 {
 806         bool update_rcr = false;
 807         struct rtl_priv *rtlpriv = rtl_priv(hw);
 808         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 809
 810         *new_flags &= RTL_SUPPORTED_FILTERS;
 811         if (0 == changed_flags)
 812                 return;
 813
 814         /*TODO: we disable broadcase now, so enable here */
 815         if (changed_flags & FIF_ALLMULTI) {
 816                 if (*new_flags & FIF_ALLMULTI) {
 817                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
 818                             rtlpriv->cfg->maps[MAC_RCR_AB];
 819                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 820                                  "Enable receive multicast frame\n");
 821                 } else {
 822                         mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
 823                                           rtlpriv->cfg->maps[MAC_RCR_AB]);
 824                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 825                                  "Disable receive multicast frame\n");
 826                 }
 827                 update_rcr = true;
 828         }
 829
 830         if (changed_flags & FIF_FCSFAIL) {
 831                 if (*new_flags & FIF_FCSFAIL) {
 832                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 833                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 834                                  "Enable receive FCS error frame\n");
 835                 } else {
 836                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 837                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 838                                  "Disable receive FCS error frame\n");
 839                 }
 840                 if (!update_rcr)
 841                         update_rcr = true;
 842         }
 843
 844         /* if ssid not set to hw don't check bssid
 845          * here just used for linked scanning, & linked
 846          * and nolink check bssid is set in set network_type
 847          */
 848         if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
 849             (mac->link_state >= MAC80211_LINKED)) {
 850                 if (mac->opmode != NL80211_IFTYPE_AP &&
 851                     mac->opmode != NL80211_IFTYPE_MESH_POINT) {
 852                         if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
 853                                 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
 854                         else
 855                                 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
 856                         if (update_rcr)
 857                                 update_rcr = false;
 858                 }
 859         }
 860
 861         if (changed_flags & FIF_CONTROL) {
 862                 if (*new_flags & FIF_CONTROL) {
 863                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
 864
 865                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 866                                  "Enable receive control frame.\n");
 867                 } else {
 868                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
 869                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 870                                  "Disable receive control frame.\n");
 871                 }
 872                 if (!update_rcr)
 873                         update_rcr = true;
 874         }
 875
 876         if (changed_flags & FIF_OTHER_BSS) {
 877                 if (*new_flags & FIF_OTHER_BSS) {
 878                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
 879                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 880                                  "Enable receive other BSS's frame.\n");
 881                 } else {
 882                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
 883                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 884                                  "Disable receive other BSS's frame.\n");
 885                 }
 886                 if (!update_rcr)
 887                         update_rcr = true;
 888         }
 889
 890         if (update_rcr)
 891                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
 892                                               (u8 *)(&mac->rx_conf));
 893 }
 894 static int rtl_op_sta_add(struct ieee80211_hw *hw,
 895                          struct ieee80211_vif *vif,
 896                          struct ieee80211_sta *sta)
 897 {
 898         struct rtl_priv *rtlpriv = rtl_priv(hw);
 899         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 900         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 901         struct rtl_sta_info *sta_entry;
 902
 903         if (sta) {
 904                 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 905                 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 906                 list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
 907                 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 908                 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 909                         sta_entry->wireless_mode = WIRELESS_MODE_G;
 910                         if (sta->supp_rates[0] <= 0xf)
 911                                 sta_entry->wireless_mode = WIRELESS_MODE_B;
 912                         if (sta->ht_cap.ht_supported)
 913                                 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
 914
 915                         if (vif->type == NL80211_IFTYPE_ADHOC)
 916                                 sta_entry->wireless_mode = WIRELESS_MODE_G;
 917                 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
 918                         sta_entry->wireless_mode = WIRELESS_MODE_A;
 919                         if (sta->ht_cap.ht_supported)
 920                                 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
 921                         if (sta->vht_cap.vht_supported)
 922                                 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
 923
 924                         if (vif->type == NL80211_IFTYPE_ADHOC)
 925                                 sta_entry->wireless_mode = WIRELESS_MODE_A;
 926                 }
 927                 /*disable cck rate for p2p*/
 928                 if (mac->p2p)
 929                         sta->supp_rates[0] &= 0xfffffff0;
 930
 931                 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
 932                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 933                         "Add sta addr is %pM\n", sta->addr);
 934                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
 935         }
 936
 937         return 0;
 938 }
 939
 940 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
 941                                 struct ieee80211_vif *vif,
 942                                 struct ieee80211_sta *sta)
 943 {
 944         struct rtl_priv *rtlpriv = rtl_priv(hw);
 945         struct rtl_sta_info *sta_entry;
 946         if (sta) {
 947                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 948                          "Remove sta addr is %pM\n", sta->addr);
 949                 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 950                 sta_entry->wireless_mode = 0;
 951                 sta_entry->ratr_index = 0;
 952                 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 953                 list_del(&sta_entry->list);
 954                 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 955         }
 956         return 0;
 957 }
 958 static int _rtl_get_hal_qnum(u16 queue)
 959 {
 960         int qnum;
 961
 962         switch (queue) {
 963         case 0:
 964                 qnum = AC3_VO;
 965                 break;
 966         case 1:
 967                 qnum = AC2_VI;
 968                 break;
 969         case 2:
 970                 qnum = AC0_BE;
 971                 break;
 972         case 3:
 973                 qnum = AC1_BK;
 974                 break;
 975         default:
 976                 qnum = AC0_BE;
 977                 break;
 978         }
 979         return qnum;
 980 }
 981
 982 /*
 983  *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
 984  *for rtl819x  BE = 0, BK = 1, VI = 2, VO = 3
 985  */
 986 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
 987                           struct ieee80211_vif *vif, u16 queue,
 988                           const struct ieee80211_tx_queue_params *param)
 989 {
 990         struct rtl_priv *rtlpriv = rtl_priv(hw);
 991         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 992         int aci;
 993
 994         if (queue >= AC_MAX) {
 995                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 996                          "queue number %d is incorrect!\n", queue);
 997                 return -EINVAL;
 998         }
 999
1000         aci = _rtl_get_hal_qnum(queue);
1001         mac->ac[aci].aifs = param->aifs;
1002         mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
1003         mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1004         mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1005         memcpy(&mac->edca_param[aci], param, sizeof(*param));
1006         rtlpriv->cfg->ops->set_qos(hw, aci);
1007         return 0;
1008 }
1009
1010 static void send_beacon_frame(struct ieee80211_hw *hw,
1011                               struct ieee80211_vif *vif)
1012 {
1013         struct rtl_priv *rtlpriv = rtl_priv(hw);
1014         struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
1015         struct rtl_tcb_desc tcb_desc;
1016
1017         if (skb) {
1018                 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1019                 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1020         }
1021 }
1022
1023 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1024                                     struct ieee80211_vif *vif,
1025                                     struct ieee80211_bss_conf *bss_conf,
1026                                     u32 changed)
1027 {
1028         struct rtl_priv *rtlpriv = rtl_priv(hw);
1029         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1030         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1031         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1032
1033         mutex_lock(&rtlpriv->locks.conf_mutex);
1034         if ((vif->type == NL80211_IFTYPE_ADHOC) ||
1035             (vif->type == NL80211_IFTYPE_AP) ||
1036             (vif->type == NL80211_IFTYPE_MESH_POINT)) {
1037                 if ((changed & BSS_CHANGED_BEACON) ||
1038                     (changed & BSS_CHANGED_BEACON_ENABLED &&
1039                      bss_conf->enable_beacon)) {
1040                         if (mac->beacon_enabled == 0) {
1041                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1042                                          "BSS_CHANGED_BEACON_ENABLED\n");
1043
1044                                 /*start hw beacon interrupt. */
1045                                 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1046                                 mac->beacon_enabled = 1;
1047                                 rtlpriv->cfg->ops->update_interrupt_mask(hw,
1048                                                 rtlpriv->cfg->maps
1049                                                 [RTL_IBSS_INT_MASKS], 0);
1050
1051                                 if (rtlpriv->cfg->ops->linked_set_reg)
1052                                         rtlpriv->cfg->ops->linked_set_reg(hw);
1053                                 send_beacon_frame(hw, vif);
1054                         }
1055                 }
1056                 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1057                     !bss_conf->enable_beacon)) {
1058                         if (mac->beacon_enabled == 1) {
1059                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1060                                          "ADHOC DISABLE BEACON\n");
1061
1062                                 mac->beacon_enabled = 0;
1063                                 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1064                                                 rtlpriv->cfg->maps
1065                                                 [RTL_IBSS_INT_MASKS]);
1066                         }
1067                 }
1068                 if (changed & BSS_CHANGED_BEACON_INT) {
1069                         RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
1070                                  "BSS_CHANGED_BEACON_INT\n");
1071                         mac->beacon_interval = bss_conf->beacon_int;
1072                         rtlpriv->cfg->ops->set_bcn_intv(hw);
1073                 }
1074         }
1075
1076         /*TODO: reference to enum ieee80211_bss_change */
1077         if (changed & BSS_CHANGED_ASSOC) {
1078                 u8 mstatus;
1079                 if (bss_conf->assoc) {
1080                         struct ieee80211_sta *sta = NULL;
1081                         u8 keep_alive = 10;
1082
1083                         mstatus = RT_MEDIA_CONNECT;
1084                         /* we should reset all sec info & cam
1085                          * before set cam after linked, we should not
1086                          * reset in disassoc, that will cause tkip->wep
1087                          * fail because some flag will be wrong */
1088                         /* reset sec info */
1089                         rtl_cam_reset_sec_info(hw);
1090                         /* reset cam to fix wep fail issue
1091                          * when change from wpa to wep */
1092                         rtl_cam_reset_all_entry(hw);
1093
1094                         mac->link_state = MAC80211_LINKED;
1095                         mac->cnt_after_linked = 0;
1096                         mac->assoc_id = bss_conf->aid;
1097                         memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1098
1099                         if (rtlpriv->cfg->ops->linked_set_reg)
1100                                 rtlpriv->cfg->ops->linked_set_reg(hw);
1101
1102                         rcu_read_lock();
1103                         sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1104                         if (!sta) {
1105                                 rcu_read_unlock();
1106                                 goto out;
1107                         }
1108                         RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1109                                  "send PS STATIC frame\n");
1110                         if (rtlpriv->dm.supp_phymode_switch) {
1111                                 if (sta->ht_cap.ht_supported)
1112                                         rtl_send_smps_action(hw, sta,
1113                                                         IEEE80211_SMPS_STATIC);
1114                         }
1115
1116                         if (rtlhal->current_bandtype == BAND_ON_5G) {
1117                                 mac->mode = WIRELESS_MODE_A;
1118                         } else {
1119                                 if (sta->supp_rates[0] <= 0xf)
1120                                         mac->mode = WIRELESS_MODE_B;
1121                                 else
1122                                         mac->mode = WIRELESS_MODE_G;
1123                         }
1124
1125                         if (sta->ht_cap.ht_supported) {
1126                                 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1127                                         mac->mode = WIRELESS_MODE_N_24G;
1128                                 else
1129                                         mac->mode = WIRELESS_MODE_N_5G;
1130                         }
1131
1132                         if (sta->vht_cap.vht_supported) {
1133                                 if (rtlhal->current_bandtype == BAND_ON_5G)
1134                                         mac->mode = WIRELESS_MODE_AC_5G;
1135                                 else
1136                                         mac->mode = WIRELESS_MODE_AC_24G;
1137                         }
1138
1139                         if (vif->type == NL80211_IFTYPE_STATION)
1140                                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
1141                         rcu_read_unlock();
1142
1143                         /* to avoid AP Disassociation caused by inactivity */
1144                         rtlpriv->cfg->ops->set_hw_reg(hw,
1145                                                       HW_VAR_KEEP_ALIVE,
1146                                                       (u8 *)(&keep_alive));
1147
1148                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1149                                  "BSS_CHANGED_ASSOC\n");
1150                 } else {
1151                         mstatus = RT_MEDIA_DISCONNECT;
1152
1153                         if (mac->link_state == MAC80211_LINKED) {
1154                                 rtlpriv->enter_ps = false;
1155                                 schedule_work(&rtlpriv->works.lps_change_work);
1156                         }
1157                         if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1158                                 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1159                         mac->link_state = MAC80211_NOLINK;
1160                         eth_zero_addr(mac->bssid);
1161                         mac->vendor = PEER_UNKNOWN;
1162                         mac->mode = 0;
1163
1164                         if (rtlpriv->dm.supp_phymode_switch) {
1165                                 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1166                                         rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1167                         }
1168                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1169                                  "BSS_CHANGED_UN_ASSOC\n");
1170                 }
1171                 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1172                 /* For FW LPS:
1173                  * To tell firmware we have connected or disconnected
1174                  */
1175                 rtlpriv->cfg->ops->set_hw_reg(hw,
1176                                               HW_VAR_H2C_FW_JOINBSSRPT,
1177                                               (u8 *)(&mstatus));
1178                 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1179                                       true : false;
1180
1181                 if (rtlpriv->cfg->ops->get_btc_status())
1182                         rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1183                                                         rtlpriv, mstatus);
1184         }
1185
1186         if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1187                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1188                          "BSS_CHANGED_ERP_CTS_PROT\n");
1189                 mac->use_cts_protect = bss_conf->use_cts_prot;
1190         }
1191
1192         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1193                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
1194                          "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1195                           bss_conf->use_short_preamble);
1196
1197                 mac->short_preamble = bss_conf->use_short_preamble;
1198                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1199                                               (u8 *)(&mac->short_preamble));
1200         }
1201
1202         if (changed & BSS_CHANGED_ERP_SLOT) {
1203                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1204                          "BSS_CHANGED_ERP_SLOT\n");
1205
1206                 if (bss_conf->use_short_slot)
1207                         mac->slot_time = RTL_SLOT_TIME_9;
1208                 else
1209                         mac->slot_time = RTL_SLOT_TIME_20;
1210
1211                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1212                                               (u8 *)(&mac->slot_time));
1213         }
1214
1215         if (changed & BSS_CHANGED_HT) {
1216                 struct ieee80211_sta *sta = NULL;
1217
1218                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1219                          "BSS_CHANGED_HT\n");
1220
1221                 rcu_read_lock();
1222                 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1223                 if (sta) {
1224                         if (sta->ht_cap.ampdu_density >
1225                             mac->current_ampdu_density)
1226                                 mac->current_ampdu_density =
1227                                     sta->ht_cap.ampdu_density;
1228                         if (sta->ht_cap.ampdu_factor <
1229                             mac->current_ampdu_factor)
1230                                 mac->current_ampdu_factor =
1231                                     sta->ht_cap.ampdu_factor;
1232                 }
1233                 rcu_read_unlock();
1234
1235                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1236                                               (u8 *)(&mac->max_mss_density));
1237                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1238                                               &mac->current_ampdu_factor);
1239                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1240                                               &mac->current_ampdu_density);
1241         }
1242
1243         if (changed & BSS_CHANGED_BSSID) {
1244                 u32 basic_rates;
1245                 struct ieee80211_sta *sta = NULL;
1246
1247                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1248                                               (u8 *)bss_conf->bssid);
1249
1250                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1251                          "bssid: %pM\n", bss_conf->bssid);
1252
1253                 mac->vendor = PEER_UNKNOWN;
1254                 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1255
1256                 rcu_read_lock();
1257                 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1258                 if (!sta) {
1259                         rcu_read_unlock();
1260                         goto out;
1261                 }
1262
1263                 if (rtlhal->current_bandtype == BAND_ON_5G) {
1264                         mac->mode = WIRELESS_MODE_A;
1265                 } else {
1266                         if (sta->supp_rates[0] <= 0xf)
1267                                 mac->mode = WIRELESS_MODE_B;
1268                         else
1269                                 mac->mode = WIRELESS_MODE_G;
1270                 }
1271
1272                 if (sta->ht_cap.ht_supported) {
1273                         if (rtlhal->current_bandtype == BAND_ON_2_4G)
1274                                 mac->mode = WIRELESS_MODE_N_24G;
1275                         else
1276                                 mac->mode = WIRELESS_MODE_N_5G;
1277                 }
1278
1279                 if (sta->vht_cap.vht_supported) {
1280                         if (rtlhal->current_bandtype == BAND_ON_5G)
1281                                 mac->mode = WIRELESS_MODE_AC_5G;
1282                         else
1283                                 mac->mode = WIRELESS_MODE_AC_24G;
1284                 }
1285
1286                 /* just station need it, because ibss & ap mode will
1287                  * set in sta_add, and will be NULL here */
1288                 if (vif->type == NL80211_IFTYPE_STATION) {
1289                         struct rtl_sta_info *sta_entry;
1290                         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1291                         sta_entry->wireless_mode = mac->mode;
1292                 }
1293
1294                 if (sta->ht_cap.ht_supported) {
1295                         mac->ht_enable = true;
1296
1297                         /*
1298                          * for cisco 1252 bw20 it's wrong
1299                          * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1300                          *      mac->bw_40 = true;
1301                          * }
1302                          * */
1303                 }
1304
1305                 if (sta->vht_cap.vht_supported)
1306                         mac->vht_enable = true;
1307
1308                 if (changed & BSS_CHANGED_BASIC_RATES) {
1309                         /* for 5G must << RATE_6M_INDEX = 4,
1310                          * because 5G have no cck rate*/
1311                         if (rtlhal->current_bandtype == BAND_ON_5G)
1312                                 basic_rates = sta->supp_rates[1] << 4;
1313                         else
1314                                 basic_rates = sta->supp_rates[0];
1315
1316                         mac->basic_rates = basic_rates;
1317                         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1318                                         (u8 *)(&basic_rates));
1319                 }
1320                 rcu_read_unlock();
1321         }
1322 out:
1323         mutex_unlock(&rtlpriv->locks.conf_mutex);
1324 }
1325
1326 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1327 {
1328         struct rtl_priv *rtlpriv = rtl_priv(hw);
1329         u64 tsf;
1330
1331         rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1332         return tsf;
1333 }
1334
1335 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1336                            struct ieee80211_vif *vif, u64 tsf)
1337 {
1338         struct rtl_priv *rtlpriv = rtl_priv(hw);
1339         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1340         u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1341
1342         mac->tsf = tsf;
1343         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1344 }
1345
1346 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1347 {
1348         struct rtl_priv *rtlpriv = rtl_priv(hw);
1349         u8 tmp = 0;
1350
1351         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1352 }
1353
1354 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1355                               struct ieee80211_vif *vif,
1356                               enum sta_notify_cmd cmd,
1357                               struct ieee80211_sta *sta)
1358 {
1359         switch (cmd) {
1360         case STA_NOTIFY_SLEEP:
1361                 break;
1362         case STA_NOTIFY_AWAKE:
1363                 break;
1364         default:
1365                 break;
1366         }
1367 }
1368
1369 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1370                                struct ieee80211_vif *vif,
1371                                struct ieee80211_ampdu_params *params)
1372 {
1373         struct rtl_priv *rtlpriv = rtl_priv(hw);
1374         struct ieee80211_sta *sta = params->sta;
1375         enum ieee80211_ampdu_mlme_action action = params->action;
1376         u16 tid = params->tid;
1377         u16 *ssn = &params->ssn;
1378
1379         switch (action) {
1380         case IEEE80211_AMPDU_TX_START:
1381                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1382                          "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1383                 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1384         case IEEE80211_AMPDU_TX_STOP_CONT:
1385         case IEEE80211_AMPDU_TX_STOP_FLUSH:
1386         case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1387                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1388                          "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1389                 return rtl_tx_agg_stop(hw, vif, sta, tid);
1390         case IEEE80211_AMPDU_TX_OPERATIONAL:
1391                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1392                          "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1393                 rtl_tx_agg_oper(hw, sta, tid);
1394                 break;
1395         case IEEE80211_AMPDU_RX_START:
1396                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1397                          "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1398                 return rtl_rx_agg_start(hw, sta, tid);
1399         case IEEE80211_AMPDU_RX_STOP:
1400                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1401                          "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1402                 return rtl_rx_agg_stop(hw, sta, tid);
1403         default:
1404                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1405                          "IEEE80211_AMPDU_ERR!!!!:\n");
1406                 return -EOPNOTSUPP;
1407         }
1408         return 0;
1409 }
1410
1411 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1412                                  struct ieee80211_vif *vif,
1413                                  const u8 *mac_addr)
1414 {
1415         struct rtl_priv *rtlpriv = rtl_priv(hw);
1416         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1417
1418         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1419         mac->act_scanning = true;
1420         if (rtlpriv->link_info.higher_busytraffic) {
1421                 mac->skip_scan = true;
1422                 return;
1423         }
1424
1425         if (rtlpriv->cfg->ops->get_btc_status())
1426                 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1427
1428         if (rtlpriv->dm.supp_phymode_switch) {
1429                 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1430                         rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1431         }
1432
1433         if (mac->link_state == MAC80211_LINKED) {
1434                 rtlpriv->enter_ps = false;
1435                 schedule_work(&rtlpriv->works.lps_change_work);
1436                 mac->link_state = MAC80211_LINKED_SCANNING;
1437         } else {
1438                 rtl_ips_nic_on(hw);
1439         }
1440
1441         /* Dul mac */
1442         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1443
1444         rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1445         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1446 }
1447
1448 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1449                                     struct ieee80211_vif *vif)
1450 {
1451         struct rtl_priv *rtlpriv = rtl_priv(hw);
1452         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1453
1454         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1455         mac->act_scanning = false;
1456         mac->skip_scan = false;
1457         if (rtlpriv->link_info.higher_busytraffic)
1458                 return;
1459
1460         /* p2p will use 1/6/11 to scan */
1461         if (mac->n_channels == 3)
1462                 mac->p2p_in_use = true;
1463         else
1464                 mac->p2p_in_use = false;
1465         mac->n_channels = 0;
1466         /* Dul mac */
1467         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1468
1469         if (mac->link_state == MAC80211_LINKED_SCANNING) {
1470                 mac->link_state = MAC80211_LINKED;
1471                 if (mac->opmode == NL80211_IFTYPE_STATION) {
1472                         /* fix fwlps issue */
1473                         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1474                 }
1475         }
1476
1477         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1478         if (rtlpriv->cfg->ops->get_btc_status())
1479                 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1480 }
1481
1482 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1483                           struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1484                           struct ieee80211_key_conf *key)
1485 {
1486         struct rtl_priv *rtlpriv = rtl_priv(hw);
1487         u8 key_type = NO_ENCRYPTION;
1488         u8 key_idx;
1489         bool group_key = false;
1490         bool wep_only = false;
1491         int err = 0;
1492         u8 mac_addr[ETH_ALEN];
1493         u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1494
1495         if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1496                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1497                          "not open hw encryption\n");
1498                 return -ENOSPC; /*User disabled HW-crypto */
1499         }
1500         /* To support IBSS, use sw-crypto for GTK */
1501         if (((vif->type == NL80211_IFTYPE_ADHOC) ||
1502             (vif->type == NL80211_IFTYPE_MESH_POINT)) &&
1503            !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1504                 return -ENOSPC;
1505         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1506                  "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1507                   cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1508                   sta ? sta->addr : bcast_addr);
1509         rtlpriv->sec.being_setkey = true;
1510         rtl_ips_nic_on(hw);
1511         mutex_lock(&rtlpriv->locks.conf_mutex);
1512         /* <1> get encryption alg */
1513
1514         switch (key->cipher) {
1515         case WLAN_CIPHER_SUITE_WEP40:
1516                 key_type = WEP40_ENCRYPTION;
1517                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1518                 break;
1519         case WLAN_CIPHER_SUITE_WEP104:
1520                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1521                 key_type = WEP104_ENCRYPTION;
1522                 break;
1523         case WLAN_CIPHER_SUITE_TKIP:
1524                 key_type = TKIP_ENCRYPTION;
1525                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1526                 break;
1527         case WLAN_CIPHER_SUITE_CCMP:
1528                 key_type = AESCCMP_ENCRYPTION;
1529                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1530                 break;
1531         case WLAN_CIPHER_SUITE_AES_CMAC:
1532                 /* HW don't support CMAC encryption,
1533                  * use software CMAC encryption
1534                  */
1535                 key_type = AESCMAC_ENCRYPTION;
1536                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1537                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1538                          "HW don't support CMAC encrypiton, use software CMAC encrypiton\n");
1539                 err = -EOPNOTSUPP;
1540                 goto out_unlock;
1541         default:
1542                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1543                          "alg_err:%x!!!!:\n", key->cipher);
1544                 goto out_unlock;
1545         }
1546         if (key_type == WEP40_ENCRYPTION ||
1547            key_type == WEP104_ENCRYPTION ||
1548            vif->type == NL80211_IFTYPE_ADHOC)
1549                 rtlpriv->sec.use_defaultkey = true;
1550
1551         /* <2> get key_idx */
1552         key_idx = (u8) (key->keyidx);
1553         if (key_idx > 3)
1554                 goto out_unlock;
1555         /* <3> if pairwise key enable_hw_sec */
1556         group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1557
1558         /* wep always be group key, but there are two conditions:
1559          * 1) wep only: is just for wep enc, in this condition
1560          * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1561          * will be true & enable_hw_sec will be set when wep
1562          * ke setting.
1563          * 2) wep(group) + AES(pairwise): some AP like cisco
1564          * may use it, in this condition enable_hw_sec will not
1565          * be set when wep key setting */
1566         /* we must reset sec_info after lingked before set key,
1567          * or some flag will be wrong*/
1568         if (vif->type == NL80211_IFTYPE_AP ||
1569                 vif->type == NL80211_IFTYPE_MESH_POINT) {
1570                 if (!group_key || key_type == WEP40_ENCRYPTION ||
1571                         key_type == WEP104_ENCRYPTION) {
1572                         if (group_key)
1573                                 wep_only = true;
1574                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1575                 }
1576         } else {
1577                 if ((!group_key) || (vif->type == NL80211_IFTYPE_ADHOC) ||
1578                     rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1579                         if (rtlpriv->sec.pairwise_enc_algorithm ==
1580                             NO_ENCRYPTION &&
1581                            (key_type == WEP40_ENCRYPTION ||
1582                             key_type == WEP104_ENCRYPTION))
1583                                 wep_only = true;
1584                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1585                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1586                                  "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1587                                  key_type);
1588                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1589                 }
1590         }
1591         /* <4> set key based on cmd */
1592         switch (cmd) {
1593         case SET_KEY:
1594                 if (wep_only) {
1595                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1596                                  "set WEP(group/pairwise) key\n");
1597                         /* Pairwise key with an assigned MAC address. */
1598                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1599                         rtlpriv->sec.group_enc_algorithm = key_type;
1600                         /*set local buf about wep key. */
1601                         memcpy(rtlpriv->sec.key_buf[key_idx],
1602                                key->key, key->keylen);
1603                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1604                         eth_zero_addr(mac_addr);
1605                 } else if (group_key) { /* group key */
1606                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1607                                  "set group key\n");
1608                         /* group key */
1609                         rtlpriv->sec.group_enc_algorithm = key_type;
1610                         /*set local buf about group key. */
1611                         memcpy(rtlpriv->sec.key_buf[key_idx],
1612                                key->key, key->keylen);
1613                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1614                         memcpy(mac_addr, bcast_addr, ETH_ALEN);
1615                 } else {        /* pairwise key */
1616                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1617                                  "set pairwise key\n");
1618                         if (!sta) {
1619                                 RT_ASSERT(false,
1620                                           "pairwise key without mac_addr\n");
1621
1622                                 err = -EOPNOTSUPP;
1623                                 goto out_unlock;
1624                         }
1625                         /* Pairwise key with an assigned MAC address. */
1626                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1627                         /*set local buf about pairwise key. */
1628                         memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1629                                key->key, key->keylen);
1630                         rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1631                         rtlpriv->sec.pairwise_key =
1632                             rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1633                         memcpy(mac_addr, sta->addr, ETH_ALEN);
1634                 }
1635                 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1636                                            group_key, key_type, wep_only,
1637                                            false);
1638                 /* <5> tell mac80211 do something: */
1639                 /*must use sw generate IV, or can not work !!!!. */
1640                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1641                 key->hw_key_idx = key_idx;
1642                 if (key_type == TKIP_ENCRYPTION)
1643                         key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1644                 /*use software CCMP encryption for management frames (MFP) */
1645                 if (key_type == AESCCMP_ENCRYPTION)
1646                         key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1647                 break;
1648         case DISABLE_KEY:
1649                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1650                          "disable key delete one entry\n");
1651                 /*set local buf about wep key. */
1652                 if (vif->type == NL80211_IFTYPE_AP ||
1653                         vif->type == NL80211_IFTYPE_MESH_POINT) {
1654                         if (sta)
1655                                 rtl_cam_del_entry(hw, sta->addr);
1656                 }
1657                 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1658                 rtlpriv->sec.key_len[key_idx] = 0;
1659                 eth_zero_addr(mac_addr);
1660                 /*
1661                  *mac80211 will delete entrys one by one,
1662                  *so don't use rtl_cam_reset_all_entry
1663                  *or clear all entry here.
1664                  */
1665                 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1666                 break;
1667         default:
1668                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
1669                          "cmd_err:%x!!!!:\n", cmd);
1670         }
1671 out_unlock:
1672         mutex_unlock(&rtlpriv->locks.conf_mutex);
1673         rtlpriv->sec.being_setkey = false;
1674         return err;
1675 }
1676
1677 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1678 {
1679         struct rtl_priv *rtlpriv = rtl_priv(hw);
1680
1681         bool radio_state;
1682         bool blocked;
1683         u8 valid = 0;
1684
1685         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1686                 return;
1687
1688         mutex_lock(&rtlpriv->locks.conf_mutex);
1689
1690         /*if Radio On return true here */
1691         radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1692
1693         if (valid) {
1694                 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1695                         rtlpriv->rfkill.rfkill_state = radio_state;
1696
1697                         RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1698                                  "wireless radio switch turned %s\n",
1699                                   radio_state ? "on" : "off");
1700
1701                         blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1702                         wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1703                 }
1704         }
1705
1706         mutex_unlock(&rtlpriv->locks.conf_mutex);
1707 }
1708
1709 /* this function is called by mac80211 to flush tx buffer
1710  * before switch channle or power save, or tx buffer packet
1711  * maybe send after offchannel or rf sleep, this may cause
1712  * dis-association by AP */
1713 static void rtl_op_flush(struct ieee80211_hw *hw,
1714                          struct ieee80211_vif *vif,
1715                          u32 queues,
1716                          bool drop)
1717 {
1718         struct rtl_priv *rtlpriv = rtl_priv(hw);
1719
1720         if (rtlpriv->intf_ops->flush)
1721                 rtlpriv->intf_ops->flush(hw, queues, drop);
1722 }
1723
1724 /*      Description:
1725  *              This routine deals with the Power Configuration CMD
1726  *               parsing for RTL8723/RTL8188E Series IC.
1727  *      Assumption:
1728  *              We should follow specific format that was released from HW SD.
1729  */
1730 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1731                               u8 faversion, u8 interface_type,
1732                               struct wlan_pwr_cfg pwrcfgcmd[])
1733 {
1734         struct wlan_pwr_cfg cfg_cmd = {0};
1735         bool polling_bit = false;
1736         u32 ary_idx = 0;
1737         u8 value = 0;
1738         u32 offset = 0;
1739         u32 polling_count = 0;
1740         u32 max_polling_cnt = 5000;
1741
1742         do {
1743                 cfg_cmd = pwrcfgcmd[ary_idx];
1744                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1745                          "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1746                          GET_PWR_CFG_OFFSET(cfg_cmd),
1747                                             GET_PWR_CFG_CUT_MASK(cfg_cmd),
1748                          GET_PWR_CFG_FAB_MASK(cfg_cmd),
1749                                               GET_PWR_CFG_INTF_MASK(cfg_cmd),
1750                          GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1751                          GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1752
1753                 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1754                     (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1755                     (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1756                         switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1757                         case PWR_CMD_READ:
1758                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1759                                         "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1760                                 break;
1761                         case PWR_CMD_WRITE:
1762                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1763                                         "rtl_hal_pwrseqcmdparsing(): PWR_CMD_WRITE\n");
1764                                 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1765
1766                                 /*Read the value from system register*/
1767                                 value = rtl_read_byte(rtlpriv, offset);
1768                                 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1769                                 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1770                                           GET_PWR_CFG_MASK(cfg_cmd));
1771
1772                                 /*Write the value back to sytem register*/
1773                                 rtl_write_byte(rtlpriv, offset, value);
1774                                 break;
1775                         case PWR_CMD_POLLING:
1776                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1777                                         "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1778                                 polling_bit = false;
1779                                 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1780
1781                                 do {
1782                                         value = rtl_read_byte(rtlpriv, offset);
1783
1784                                         value &= GET_PWR_CFG_MASK(cfg_cmd);
1785                                         if (value ==
1786                                             (GET_PWR_CFG_VALUE(cfg_cmd) &
1787                                              GET_PWR_CFG_MASK(cfg_cmd)))
1788                                                 polling_bit = true;
1789                                         else
1790                                                 udelay(10);
1791
1792                                         if (polling_count++ > max_polling_cnt)
1793                                                 return false;
1794                                 } while (!polling_bit);
1795                                 break;
1796                         case PWR_CMD_DELAY:
1797                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1798                                          "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n");
1799                                 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1800                                     PWRSEQ_DELAY_US)
1801                                         udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1802                                 else
1803                                         mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1804                                 break;
1805                         case PWR_CMD_END:
1806                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1807                                          "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n");
1808                                 return true;
1809                         default:
1810                                 RT_ASSERT(false,
1811                                           "rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1812                                 break;
1813                         }
1814                 }
1815                 ary_idx++;
1816         } while (1);
1817
1818         return true;
1819 }
1820 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1821
1822 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1823 {
1824         struct rtl_priv *rtlpriv = rtl_priv(hw);
1825         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1826         struct rtl8192_tx_ring *ring;
1827         struct rtl_tx_desc *pdesc;
1828         unsigned long flags;
1829         struct sk_buff *pskb = NULL;
1830
1831         ring = &rtlpci->tx_ring[BEACON_QUEUE];
1832
1833         spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1834         pskb = __skb_dequeue(&ring->queue);
1835         kfree_skb(pskb);
1836
1837         /*this is wrong, fill_tx_cmddesc needs update*/
1838         pdesc = &ring->desc[0];
1839
1840         rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1841
1842         __skb_queue_tail(&ring->queue, skb);
1843
1844         spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1845
1846         rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1847
1848         return true;
1849 }
1850 EXPORT_SYMBOL(rtl_cmd_send_packet);
1851 const struct ieee80211_ops rtl_ops = {
1852         .start = rtl_op_start,
1853         .stop = rtl_op_stop,
1854         .tx = rtl_op_tx,
1855         .add_interface = rtl_op_add_interface,
1856         .remove_interface = rtl_op_remove_interface,
1857         .change_interface = rtl_op_change_interface,
1858 #ifdef CONFIG_PM
1859         .suspend = rtl_op_suspend,
1860         .resume = rtl_op_resume,
1861 #endif
1862         .config = rtl_op_config,
1863         .configure_filter = rtl_op_configure_filter,
1864         .set_key = rtl_op_set_key,
1865         .conf_tx = rtl_op_conf_tx,
1866         .bss_info_changed = rtl_op_bss_info_changed,
1867         .get_tsf = rtl_op_get_tsf,
1868         .set_tsf = rtl_op_set_tsf,
1869         .reset_tsf = rtl_op_reset_tsf,
1870         .sta_notify = rtl_op_sta_notify,
1871         .ampdu_action = rtl_op_ampdu_action,
1872         .sw_scan_start = rtl_op_sw_scan_start,
1873         .sw_scan_complete = rtl_op_sw_scan_complete,
1874         .rfkill_poll = rtl_op_rfkill_poll,
1875         .sta_add = rtl_op_sta_add,
1876         .sta_remove = rtl_op_sta_remove,
1877         .flush = rtl_op_flush,
1878 };
1879 EXPORT_SYMBOL_GPL(rtl_ops);
1880
1881 bool rtl_btc_status_false(void)
1882 {
1883         return false;
1884 }
1885 EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1886
1887 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1888 {
1889         struct rtl_priv *rtlpriv = rtl_priv(hw);
1890         struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1891
1892         dm_digtable->dig_enable_flag = true;
1893         dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1894         dm_digtable->cur_igvalue = cur_igvalue;
1895         dm_digtable->pre_igvalue = 0;
1896         dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1897         dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1898         dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1899         dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1900         dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1901         dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1902         dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1903         dm_digtable->rx_gain_max = DM_DIG_MAX;
1904         dm_digtable->rx_gain_min = DM_DIG_MIN;
1905         dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1906         dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1907         dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1908         dm_digtable->pre_cck_cca_thres = 0xff;
1909         dm_digtable->cur_cck_cca_thres = 0x83;
1910         dm_digtable->forbidden_igi = DM_DIG_MIN;
1911         dm_digtable->large_fa_hit = 0;
1912         dm_digtable->recover_cnt = 0;
1913         dm_digtable->dig_min_0 = 0x25;
1914         dm_digtable->dig_min_1 = 0x25;
1915         dm_digtable->media_connect_0 = false;
1916         dm_digtable->media_connect_1 = false;
1917         rtlpriv->dm.dm_initialgain_enable = true;
1918         dm_digtable->bt30_cur_igi = 0x32;
1919         dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1920         dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1921 }
1922 EXPORT_SYMBOL(rtl_dm_diginit);