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("Selected firmware is not available\n");
 115                 rtlpriv->max_fw_size = 0;
 116                 return;
 117         }
 118 found_alt:
 119         if (firmware->size > rtlpriv->max_fw_size) {
 120                 pr_err("Firmware is too big!\n");
 121                 release_firmware(firmware);
 122                 return;
 123         }
 124         if (!is_wow) {
 125                 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
 126                        firmware->size);
 127                 rtlpriv->rtlhal.fwsize = firmware->size;
 128         } else {
 129                 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
 130                        firmware->size);
 131                 rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
 132         }
 133         release_firmware(firmware);
 134 }
 135
 136 void rtl_fw_cb(const struct firmware *firmware, void *context)
 137 {
 138         rtl_fw_do_work(firmware, context, false);
 139 }
 140 EXPORT_SYMBOL(rtl_fw_cb);
 141
 142 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
 143 {
 144         rtl_fw_do_work(firmware, context, true);
 145 }
 146 EXPORT_SYMBOL(rtl_wowlan_fw_cb);
 147
 148 /*mutex for start & stop is must here. */
 149 static int rtl_op_start(struct ieee80211_hw *hw)
 150 {
 151         int err = 0;
 152         struct rtl_priv *rtlpriv = rtl_priv(hw);
 153         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 154
 155         if (!is_hal_stop(rtlhal))
 156                 return 0;
 157         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 158                 return 0;
 159         mutex_lock(&rtlpriv->locks.conf_mutex);
 160         err = rtlpriv->intf_ops->adapter_start(hw);
 161         if (!err)
 162                 rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer);
 163         mutex_unlock(&rtlpriv->locks.conf_mutex);
 164         return err;
 165 }
 166
 167 static void rtl_op_stop(struct ieee80211_hw *hw)
 168 {
 169         struct rtl_priv *rtlpriv = rtl_priv(hw);
 170         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 171         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 172         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 173         bool support_remote_wakeup = false;
 174
 175         if (is_hal_stop(rtlhal))
 176                 return;
 177
 178         rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
 179                                       (u8 *)(&support_remote_wakeup));
 180         /* here is must, because adhoc do stop and start,
 181          * but stop with RFOFF may cause something wrong,
 182          * like adhoc TP
 183          */
 184         if (unlikely(ppsc->rfpwr_state == ERFOFF))
 185                 rtl_ips_nic_on(hw);
 186
 187         mutex_lock(&rtlpriv->locks.conf_mutex);
 188         /* if wowlan supported, DON'T clear connected info */
 189         if (!(support_remote_wakeup &&
 190               rtlhal->enter_pnp_sleep)) {
 191                 mac->link_state = MAC80211_NOLINK;
 192                 eth_zero_addr(mac->bssid);
 193                 mac->vendor = PEER_UNKNOWN;
 194
 195                 /* reset sec info */
 196                 rtl_cam_reset_sec_info(hw);
 197
 198                 rtl_deinit_deferred_work(hw, false);
 199         }
 200         rtlpriv->intf_ops->adapter_stop(hw);
 201
 202         mutex_unlock(&rtlpriv->locks.conf_mutex);
 203 }
 204
 205 static void rtl_op_tx(struct ieee80211_hw *hw,
 206                       struct ieee80211_tx_control *control,
 207                       struct sk_buff *skb)
 208 {
 209         struct rtl_priv *rtlpriv = rtl_priv(hw);
 210         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 211         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 212         struct rtl_tcb_desc tcb_desc;
 213         memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 214
 215         if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
 216                 goto err_free;
 217
 218         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 219                 goto err_free;
 220
 221         if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
 222                 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
 223         return;
 224
 225 err_free:
 226         dev_kfree_skb_any(skb);
 227 }
 228
 229 static int rtl_op_add_interface(struct ieee80211_hw *hw,
 230                 struct ieee80211_vif *vif)
 231 {
 232         struct rtl_priv *rtlpriv = rtl_priv(hw);
 233         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 234         int err = 0;
 235         u8 retry_limit = 0x30;
 236
 237         if (mac->vif) {
 238                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 239                          "vif has been set!! mac->vif = 0x%p\n", mac->vif);
 240                 return -EOPNOTSUPP;
 241         }
 242
 243         vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
 244
 245         rtl_ips_nic_on(hw);
 246
 247         mutex_lock(&rtlpriv->locks.conf_mutex);
 248         switch (ieee80211_vif_type_p2p(vif)) {
 249         case NL80211_IFTYPE_P2P_CLIENT:
 250                 mac->p2p = P2P_ROLE_CLIENT;
 251                 /*fall through*/
 252         case NL80211_IFTYPE_STATION:
 253                 if (mac->beacon_enabled == 1) {
 254                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 255                                  "NL80211_IFTYPE_STATION\n");
 256                         mac->beacon_enabled = 0;
 257                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 258                                         rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 259                 }
 260                 break;
 261         case NL80211_IFTYPE_ADHOC:
 262                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 263                          "NL80211_IFTYPE_ADHOC\n");
 264
 265                 mac->link_state = MAC80211_LINKED;
 266                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 267                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 268                         mac->basic_rates = 0xfff;
 269                 else
 270                         mac->basic_rates = 0xff0;
 271                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 272                                 (u8 *)(&mac->basic_rates));
 273
 274                 retry_limit = 0x07;
 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
 292                 retry_limit = 0x07;
 293                 break;
 294         case NL80211_IFTYPE_MESH_POINT:
 295                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 296                          "NL80211_IFTYPE_MESH_POINT\n");
 297
 298                 mac->link_state = MAC80211_LINKED;
 299                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 300                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 301                         mac->basic_rates = 0xfff;
 302                 else
 303                         mac->basic_rates = 0xff0;
 304                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 305                                 (u8 *)(&mac->basic_rates));
 306
 307                 retry_limit = 0x07;
 308                 break;
 309         default:
 310                 pr_err("operation mode %d is not supported!\n",
 311                        vif->type);
 312                 err = -EOPNOTSUPP;
 313                 goto out;
 314         }
 315
 316         if (mac->p2p) {
 317                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 318                          "p2p role %x\n", vif->type);
 319                 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
 320                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 321                                 (u8 *)(&mac->basic_rates));
 322         }
 323         mac->vif = vif;
 324         mac->opmode = vif->type;
 325         rtlpriv->cfg->ops->set_network_type(hw, vif->type);
 326         memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
 327         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
 328
 329         mac->retry_long = retry_limit;
 330         mac->retry_short = retry_limit;
 331         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 332                         (u8 *)(&retry_limit));
 333 out:
 334         mutex_unlock(&rtlpriv->locks.conf_mutex);
 335         return err;
 336 }
 337
 338 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
 339                 struct ieee80211_vif *vif)
 340 {
 341         struct rtl_priv *rtlpriv = rtl_priv(hw);
 342         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 343
 344         mutex_lock(&rtlpriv->locks.conf_mutex);
 345
 346         /* Free beacon resources */
 347         if (vif->type == NL80211_IFTYPE_AP ||
 348             vif->type == NL80211_IFTYPE_ADHOC ||
 349             vif->type == NL80211_IFTYPE_MESH_POINT) {
 350                 if (mac->beacon_enabled == 1) {
 351                         mac->beacon_enabled = 0;
 352                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 353                                         rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 354                 }
 355         }
 356
 357         /*
 358          *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
 359          *NO LINK for our hardware.
 360          */
 361         mac->p2p = 0;
 362         mac->vif = NULL;
 363         mac->link_state = MAC80211_NOLINK;
 364         eth_zero_addr(mac->bssid);
 365         mac->vendor = PEER_UNKNOWN;
 366         mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
 367         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
 368
 369         mutex_unlock(&rtlpriv->locks.conf_mutex);
 370 }
 371 static int rtl_op_change_interface(struct ieee80211_hw *hw,
 372                                    struct ieee80211_vif *vif,
 373                                    enum nl80211_iftype new_type, bool p2p)
 374 {
 375         struct rtl_priv *rtlpriv = rtl_priv(hw);
 376         int ret;
 377         rtl_op_remove_interface(hw, vif);
 378
 379         vif->type = new_type;
 380         vif->p2p = p2p;
 381         ret = rtl_op_add_interface(hw, vif);
 382         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 383                  "p2p  %x\n", p2p);
 384         return ret;
 385 }
 386
 387 #ifdef CONFIG_PM
 388 static u16 crc16_ccitt(u8 data, u16 crc)
 389 {
 390         u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
 391         u8 i;
 392         u16 result;
 393
 394         for (i = 0; i < 8; i++) {
 395                 crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
 396                 data_bit  = (data & (BIT(0) << i) ? 1 : 0);
 397                 shift_in = crc_bit15 ^ data_bit;
 398
 399                 result = crc << 1;
 400                 if (shift_in == 0)
 401                         result &= (~BIT(0));
 402                 else
 403                         result |= BIT(0);
 404
 405                 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
 406                 if (crc_bit11 == 0)
 407                         result &= (~BIT(12));
 408                 else
 409                         result |= BIT(12);
 410
 411                 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
 412                 if (crc_bit4 == 0)
 413                         result &= (~BIT(5));
 414                 else
 415                         result |= BIT(5);
 416
 417                 crc = result;
 418         }
 419
 420         return crc;
 421 }
 422
 423 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
 424 {
 425         u16 crc = 0xffff;
 426         u32 i;
 427
 428         for (i = 0; i < len; i++)
 429                 crc = crc16_ccitt(pattern[i], crc);
 430
 431         crc = ~crc;
 432
 433         return crc;
 434 }
 435
 436 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
 437                                      struct cfg80211_wowlan *wow)
 438 {
 439         struct rtl_priv *rtlpriv = rtl_priv(hw);
 440         struct rtl_mac *mac = &rtlpriv->mac80211;
 441         struct cfg80211_pkt_pattern *patterns = wow->patterns;
 442         struct rtl_wow_pattern rtl_pattern;
 443         const u8 *pattern_os, *mask_os;
 444         u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
 445         u8 content[MAX_WOL_PATTERN_SIZE] = {0};
 446         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 447         u8 multicast_addr1[2] = {0x33, 0x33};
 448         u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
 449         u8 i, mask_len;
 450         u16 j, len;
 451
 452         for (i = 0; i < wow->n_patterns; i++) {
 453                 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
 454                 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
 455                 if (patterns[i].pattern_len < 0 ||
 456                     patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
 457                         RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING,
 458                                  "Pattern[%d] is too long\n", i);
 459                         continue;
 460                 }
 461                 pattern_os = patterns[i].pattern;
 462                 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
 463                 mask_os = patterns[i].mask;
 464                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 465                               "pattern content\n", pattern_os,
 466                                patterns[i].pattern_len);
 467                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 468                               "mask content\n", mask_os, mask_len);
 469                 /* 1. unicast? multicast? or broadcast? */
 470                 if (memcmp(pattern_os, broadcast_addr, 6) == 0)
 471                         rtl_pattern.type = BROADCAST_PATTERN;
 472                 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
 473                          memcmp(pattern_os, multicast_addr2, 3) == 0)
 474                         rtl_pattern.type = MULTICAST_PATTERN;
 475                 else if  (memcmp(pattern_os, mac->mac_addr, 6) == 0)
 476                         rtl_pattern.type = UNICAST_PATTERN;
 477                 else
 478                         rtl_pattern.type = UNKNOWN_TYPE;
 479
 480                 /* 2. translate mask_from_os to mask_for_hw */
 481
 482 /******************************************************************************
 483  * pattern from OS uses 'ethenet frame', like this:
 484
 485                    |    6   |    6   |   2  |     20    |  Variable  |  4  |
 486                    |--------+--------+------+-----------+------------+-----|
 487                    |    802.3 Mac Header    | IP Header | TCP Packet | FCS |
 488                    |   DA   |   SA   | Type |
 489
 490  * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
 491
 492         |     24 or 30      |    6   |   2  |     20    |  Variable  |  4  |
 493         |-------------------+--------+------+-----------+------------+-----|
 494         | 802.11 MAC Header |       LLC     | IP Header | TCP Packet | FCS |
 495                             | Others | Tpye |
 496
 497  * Therefore, we need translate mask_from_OS to mask_to_hw.
 498  * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
 499  * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
 500  * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
 501  ******************************************************************************/
 502
 503                 /* Shift 6 bits */
 504                 for (j = 0; j < mask_len - 1; j++) {
 505                         mask[j] = mask_os[j] >> 6;
 506                         mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
 507                 }
 508                 mask[j] = (mask_os[j] >> 6) & 0x3F;
 509                 /* Set bit 0-5 to zero */
 510                 mask[0] &= 0xC0;
 511
 512                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 513                               "mask to hw\n", mask, mask_len);
 514                 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
 515                         rtl_pattern.mask[j] = mask[j * 4];
 516                         rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
 517                         rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
 518                         rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
 519                 }
 520
 521                 /* To get the wake up pattern from the mask.
 522                  * We do not count first 12 bits which means
 523                  * DA[6] and SA[6] in the pattern to match HW design.
 524                  */
 525                 len = 0;
 526                 for (j = 12; j < patterns[i].pattern_len; j++) {
 527                         if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
 528                                 content[len] = pattern_os[j];
 529                                 len++;
 530                         }
 531                 }
 532
 533                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 534                               "pattern to hw\n", content, len);
 535                 /* 3. calculate crc */
 536                 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
 537                 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
 538                          "CRC_Remainder = 0x%x\n", rtl_pattern.crc);
 539
 540                 /* 4. write crc & mask_for_hw to hw */
 541                 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
 542         }
 543         rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
 544 }
 545
 546 static int rtl_op_suspend(struct ieee80211_hw *hw,
 547                           struct cfg80211_wowlan *wow)
 548 {
 549         struct rtl_priv *rtlpriv = rtl_priv(hw);
 550         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 551         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 552
 553         RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 554         if (WARN_ON(!wow))
 555                 return -EINVAL;
 556
 557         /* to resolve s4 can not wake up*/
 558         rtlhal->last_suspend_sec = ktime_get_real_seconds();
 559
 560         if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
 561                 _rtl_add_wowlan_patterns(hw, wow);
 562
 563         rtlhal->driver_is_goingto_unload = true;
 564         rtlhal->enter_pnp_sleep = true;
 565
 566         rtl_lps_leave(hw);
 567         rtl_op_stop(hw);
 568         device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
 569         return 0;
 570 }
 571
 572 static int rtl_op_resume(struct ieee80211_hw *hw)
 573 {
 574         struct rtl_priv *rtlpriv = rtl_priv(hw);
 575         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 576         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 577         time64_t now;
 578
 579         RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 580         rtlhal->driver_is_goingto_unload = false;
 581         rtlhal->enter_pnp_sleep = false;
 582         rtlhal->wake_from_pnp_sleep = true;
 583
 584         /* to resovle s4 can not wake up*/
 585         now = ktime_get_real_seconds();
 586         if (now - rtlhal->last_suspend_sec < 5)
 587                 return -1;
 588
 589         rtl_op_start(hw);
 590         device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
 591         ieee80211_resume_disconnect(mac->vif);
 592         rtlhal->wake_from_pnp_sleep = false;
 593         return 0;
 594 }
 595 #endif
 596
 597 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
 598 {
 599         struct rtl_priv *rtlpriv = rtl_priv(hw);
 600         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 601         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 602         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 603         struct ieee80211_conf *conf = &hw->conf;
 604
 605         if (mac->skip_scan)
 606                 return 1;
 607
 608         mutex_lock(&rtlpriv->locks.conf_mutex);
 609         if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {  /* BIT(2)*/
 610                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 611                          "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
 612         }
 613
 614         /*For IPS */
 615         if (changed & IEEE80211_CONF_CHANGE_IDLE) {
 616                 if (hw->conf.flags & IEEE80211_CONF_IDLE)
 617                         rtl_ips_nic_off(hw);
 618                 else
 619                         rtl_ips_nic_on(hw);
 620         } else {
 621                 /*
 622                  *although rfoff may not cause by ips, but we will
 623                  *check the reason in set_rf_power_state function
 624                  */
 625                 if (unlikely(ppsc->rfpwr_state == ERFOFF))
 626                         rtl_ips_nic_on(hw);
 627         }
 628
 629         /*For LPS */
 630         if ((changed & IEEE80211_CONF_CHANGE_PS) &&
 631             rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) {
 632                 cancel_delayed_work(&rtlpriv->works.ps_work);
 633                 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 634                 if (conf->flags & IEEE80211_CONF_PS) {
 635                         rtlpriv->psc.sw_ps_enabled = true;
 636                         /* sleep here is must, or we may recv the beacon and
 637                          * cause mac80211 into wrong ps state, this will cause
 638                          * power save nullfunc send fail, and further cause
 639                          * pkt loss, So sleep must quickly but not immediatly
 640                          * because that will cause nullfunc send by mac80211
 641                          * fail, and cause pkt loss, we have tested that 5mA
 642                          * is worked very well */
 643                         if (!rtlpriv->psc.multi_buffered)
 644                                 queue_delayed_work(rtlpriv->works.rtl_wq,
 645                                                    &rtlpriv->works.ps_work,
 646                                                    MSECS(5));
 647                 } else {
 648                         rtl_swlps_rf_awake(hw);
 649                         rtlpriv->psc.sw_ps_enabled = false;
 650                 }
 651         }
 652
 653         if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
 654                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 655                          "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
 656                          hw->conf.long_frame_max_tx_count);
 657                 /* brought up everything changes (changed == ~0) indicates first
 658                  * open, so use our default value instead of that of wiphy.
 659                  */
 660                 if (changed != ~0) {
 661                         mac->retry_long = hw->conf.long_frame_max_tx_count;
 662                         mac->retry_short = hw->conf.long_frame_max_tx_count;
 663                         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 664                                 (u8 *)(&hw->conf.long_frame_max_tx_count));
 665                 }
 666         }
 667
 668         if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
 669             !rtlpriv->proximity.proxim_on) {
 670                 struct ieee80211_channel *channel = hw->conf.chandef.chan;
 671                 enum nl80211_chan_width width = hw->conf.chandef.width;
 672                 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
 673                 u8 wide_chan = (u8) channel->hw_value;
 674
 675                 /* channel_type is for 20&40M */
 676                 if (width < NL80211_CHAN_WIDTH_80)
 677                         channel_type =
 678                                 cfg80211_get_chandef_type(&hw->conf.chandef);
 679                 if (mac->act_scanning)
 680                         mac->n_channels++;
 681
 682                 if (rtlpriv->dm.supp_phymode_switch &&
 683                         mac->link_state < MAC80211_LINKED &&
 684                         !mac->act_scanning) {
 685                         if (rtlpriv->cfg->ops->chk_switch_dmdp)
 686                                 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
 687                 }
 688
 689                 /*
 690                  *because we should back channel to
 691                  *current_network.chan in in scanning,
 692                  *So if set_chan == current_network.chan
 693                  *we should set it.
 694                  *because mac80211 tell us wrong bw40
 695                  *info for cisco1253 bw20, so we modify
 696                  *it here based on UPPER & LOWER
 697                  */
 698
 699                 if (width >= NL80211_CHAN_WIDTH_80) {
 700                         if (width == NL80211_CHAN_WIDTH_80) {
 701                                 u32 center = hw->conf.chandef.center_freq1;
 702                                 u32 primary =
 703                                 (u32)hw->conf.chandef.chan->center_freq;
 704
 705                                 rtlphy->current_chan_bw =
 706                                         HT_CHANNEL_WIDTH_80;
 707                                 mac->bw_80 = true;
 708                                 mac->bw_40 = true;
 709                                 if (center > primary) {
 710                                         mac->cur_80_prime_sc =
 711                                         PRIME_CHNL_OFFSET_LOWER;
 712                                         if (center - primary == 10) {
 713                                                 mac->cur_40_prime_sc =
 714                                                 PRIME_CHNL_OFFSET_UPPER;
 715
 716                                                 wide_chan += 2;
 717                                         } else if (center - primary == 30) {
 718                                                 mac->cur_40_prime_sc =
 719                                                 PRIME_CHNL_OFFSET_LOWER;
 720
 721                                                 wide_chan += 6;
 722                                         }
 723                                 } else {
 724                                         mac->cur_80_prime_sc =
 725                                         PRIME_CHNL_OFFSET_UPPER;
 726                                         if (primary - center == 10) {
 727                                                 mac->cur_40_prime_sc =
 728                                                 PRIME_CHNL_OFFSET_LOWER;
 729
 730                                                 wide_chan -= 2;
 731                                         } else if (primary - center == 30) {
 732                                                 mac->cur_40_prime_sc =
 733                                                 PRIME_CHNL_OFFSET_UPPER;
 734
 735                                                 wide_chan -= 6;
 736                                         }
 737                                 }
 738                         }
 739                 } else {
 740                         switch (channel_type) {
 741                         case NL80211_CHAN_HT20:
 742                         case NL80211_CHAN_NO_HT:
 743                                         /* SC */
 744                                         mac->cur_40_prime_sc =
 745                                                 PRIME_CHNL_OFFSET_DONT_CARE;
 746                                         rtlphy->current_chan_bw =
 747                                                 HT_CHANNEL_WIDTH_20;
 748                                         mac->bw_40 = false;
 749                                         mac->bw_80 = false;
 750                                         break;
 751                         case NL80211_CHAN_HT40MINUS:
 752                                         /* SC */
 753                                         mac->cur_40_prime_sc =
 754                                                 PRIME_CHNL_OFFSET_UPPER;
 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                         case NL80211_CHAN_HT40PLUS:
 765                                         /* SC */
 766                                         mac->cur_40_prime_sc =
 767                                                 PRIME_CHNL_OFFSET_LOWER;
 768                                         rtlphy->current_chan_bw =
 769                                                 HT_CHANNEL_WIDTH_20_40;
 770                                         mac->bw_40 = true;
 771                                         mac->bw_80 = false;
 772
 773                                         /*wide channel */
 774                                         wide_chan += 2;
 775
 776                                         break;
 777                         default:
 778                                         mac->bw_40 = false;
 779                                         mac->bw_80 = false;
 780                                         pr_err("switch case %#x not processed\n",
 781                                                channel_type);
 782                                         break;
 783                         }
 784                 }
 785
 786                 if (wide_chan <= 0)
 787                         wide_chan = 1;
 788
 789                 /* In scanning, when before we offchannel we may send a ps=1
 790                  * null to AP, and then we may send a ps = 0 null to AP quickly,
 791                  * but first null may have caused AP to put lots of packet to
 792                  * hw tx buffer. These packets must be tx'd before we go off
 793                  * channel so we must delay more time to let AP flush these
 794                  * packets before going offchannel, or dis-association or
 795                  * delete BA will be caused by AP
 796                  */
 797                 if (rtlpriv->mac80211.offchan_delay) {
 798                         rtlpriv->mac80211.offchan_delay = false;
 799                         mdelay(50);
 800                 }
 801
 802                 rtlphy->current_channel = wide_chan;
 803
 804                 rtlpriv->cfg->ops->switch_channel(hw);
 805                 rtlpriv->cfg->ops->set_channel_access(hw);
 806                 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
 807         }
 808
 809         mutex_unlock(&rtlpriv->locks.conf_mutex);
 810
 811         return 0;
 812 }
 813
 814 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
 815                                     unsigned int changed_flags,
 816                                     unsigned int *new_flags, u64 multicast)
 817 {
 818         bool update_rcr = false;
 819         struct rtl_priv *rtlpriv = rtl_priv(hw);
 820         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 821
 822         *new_flags &= RTL_SUPPORTED_FILTERS;
 823         if (0 == changed_flags)
 824                 return;
 825
 826         /*TODO: we disable broadcase now, so enable here */
 827         if (changed_flags & FIF_ALLMULTI) {
 828                 if (*new_flags & FIF_ALLMULTI) {
 829                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
 830                             rtlpriv->cfg->maps[MAC_RCR_AB];
 831                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 832                                  "Enable receive multicast frame\n");
 833                 } else {
 834                         mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
 835                                           rtlpriv->cfg->maps[MAC_RCR_AB]);
 836                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 837                                  "Disable receive multicast frame\n");
 838                 }
 839                 update_rcr = true;
 840         }
 841
 842         if (changed_flags & FIF_FCSFAIL) {
 843                 if (*new_flags & FIF_FCSFAIL) {
 844                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 845                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 846                                  "Enable receive FCS error frame\n");
 847                 } else {
 848                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 849                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 850                                  "Disable receive FCS error frame\n");
 851                 }
 852                 if (!update_rcr)
 853                         update_rcr = true;
 854         }
 855
 856         /* if ssid not set to hw don't check bssid
 857          * here just used for linked scanning, & linked
 858          * and nolink check bssid is set in set network_type
 859          */
 860         if (changed_flags & FIF_BCN_PRBRESP_PROMISC &&
 861             mac->link_state >= MAC80211_LINKED) {
 862                 if (mac->opmode != NL80211_IFTYPE_AP &&
 863                     mac->opmode != NL80211_IFTYPE_MESH_POINT) {
 864                         if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
 865                                 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
 866                         else
 867                                 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
 868                         if (update_rcr)
 869                                 update_rcr = false;
 870                 }
 871         }
 872
 873         if (changed_flags & FIF_CONTROL) {
 874                 if (*new_flags & FIF_CONTROL) {
 875                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
 876
 877                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 878                                  "Enable receive control frame.\n");
 879                 } else {
 880                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
 881                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 882                                  "Disable receive control frame.\n");
 883                 }
 884                 if (!update_rcr)
 885                         update_rcr = true;
 886         }
 887
 888         if (changed_flags & FIF_OTHER_BSS) {
 889                 if (*new_flags & FIF_OTHER_BSS) {
 890                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
 891                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 892                                  "Enable receive other BSS's frame.\n");
 893                 } else {
 894                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
 895                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 896                                  "Disable receive other BSS's frame.\n");
 897                 }
 898                 if (!update_rcr)
 899                         update_rcr = true;
 900         }
 901
 902         if (update_rcr)
 903                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
 904                                               (u8 *)(&mac->rx_conf));
 905 }
 906 static int rtl_op_sta_add(struct ieee80211_hw *hw,
 907                          struct ieee80211_vif *vif,
 908                          struct ieee80211_sta *sta)
 909 {
 910         struct rtl_priv *rtlpriv = rtl_priv(hw);
 911         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 912         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 913         struct rtl_sta_info *sta_entry;
 914
 915         if (sta) {
 916                 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 917                 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 918                 list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
 919                 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 920                 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 921                         sta_entry->wireless_mode = WIRELESS_MODE_G;
 922                         if (sta->supp_rates[0] <= 0xf)
 923                                 sta_entry->wireless_mode = WIRELESS_MODE_B;
 924                         if (sta->ht_cap.ht_supported)
 925                                 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
 926
 927                         if (vif->type == NL80211_IFTYPE_ADHOC)
 928                                 sta_entry->wireless_mode = WIRELESS_MODE_G;
 929                 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
 930                         sta_entry->wireless_mode = WIRELESS_MODE_A;
 931                         if (sta->ht_cap.ht_supported)
 932                                 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
 933                         if (sta->vht_cap.vht_supported)
 934                                 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
 935
 936                         if (vif->type == NL80211_IFTYPE_ADHOC)
 937                                 sta_entry->wireless_mode = WIRELESS_MODE_A;
 938                 }
 939                 /*disable cck rate for p2p*/
 940                 if (mac->p2p)
 941                         sta->supp_rates[0] &= 0xfffffff0;
 942
 943                 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
 944                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 945                         "Add sta addr is %pM\n", sta->addr);
 946                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true);
 947         }
 948
 949         return 0;
 950 }
 951
 952 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
 953                                 struct ieee80211_vif *vif,
 954                                 struct ieee80211_sta *sta)
 955 {
 956         struct rtl_priv *rtlpriv = rtl_priv(hw);
 957         struct rtl_sta_info *sta_entry;
 958         if (sta) {
 959                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 960                          "Remove sta addr is %pM\n", sta->addr);
 961                 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 962                 sta_entry->wireless_mode = 0;
 963                 sta_entry->ratr_index = 0;
 964                 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 965                 list_del(&sta_entry->list);
 966                 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 967         }
 968         return 0;
 969 }
 970 static int _rtl_get_hal_qnum(u16 queue)
 971 {
 972         int qnum;
 973
 974         switch (queue) {
 975         case 0:
 976                 qnum = AC3_VO;
 977                 break;
 978         case 1:
 979                 qnum = AC2_VI;
 980                 break;
 981         case 2:
 982                 qnum = AC0_BE;
 983                 break;
 984         case 3:
 985                 qnum = AC1_BK;
 986                 break;
 987         default:
 988                 qnum = AC0_BE;
 989                 break;
 990         }
 991         return qnum;
 992 }
 993
 994 /*
 995  *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
 996  *for rtl819x  BE = 0, BK = 1, VI = 2, VO = 3
 997  */
 998 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
 999                           struct ieee80211_vif *vif, u16 queue,
1000                           const struct ieee80211_tx_queue_params *param)
1001 {
1002         struct rtl_priv *rtlpriv = rtl_priv(hw);
1003         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1004         int aci;
1005
1006         if (queue >= AC_MAX) {
1007                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1008                          "queue number %d is incorrect!\n", queue);
1009                 return -EINVAL;
1010         }
1011
1012         aci = _rtl_get_hal_qnum(queue);
1013         mac->ac[aci].aifs = param->aifs;
1014         mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
1015         mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1016         mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1017         memcpy(&mac->edca_param[aci], param, sizeof(*param));
1018         rtlpriv->cfg->ops->set_qos(hw, aci);
1019         return 0;
1020 }
1021
1022 static void send_beacon_frame(struct ieee80211_hw *hw,
1023                               struct ieee80211_vif *vif)
1024 {
1025         struct rtl_priv *rtlpriv = rtl_priv(hw);
1026         struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
1027         struct rtl_tcb_desc tcb_desc;
1028
1029         if (skb) {
1030                 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1031                 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1032         }
1033 }
1034
1035 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1036                                     struct ieee80211_vif *vif,
1037                                     struct ieee80211_bss_conf *bss_conf,
1038                                     u32 changed)
1039 {
1040         struct rtl_priv *rtlpriv = rtl_priv(hw);
1041         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1042         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1043         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1044
1045         mutex_lock(&rtlpriv->locks.conf_mutex);
1046         if (vif->type == NL80211_IFTYPE_ADHOC ||
1047             vif->type == NL80211_IFTYPE_AP ||
1048             vif->type == NL80211_IFTYPE_MESH_POINT) {
1049                 if (changed & BSS_CHANGED_BEACON ||
1050                     (changed & BSS_CHANGED_BEACON_ENABLED &&
1051                      bss_conf->enable_beacon)) {
1052                         if (mac->beacon_enabled == 0) {
1053                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1054                                          "BSS_CHANGED_BEACON_ENABLED\n");
1055
1056                                 /*start hw beacon interrupt. */
1057                                 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1058                                 mac->beacon_enabled = 1;
1059                                 rtlpriv->cfg->ops->update_interrupt_mask(hw,
1060                                                 rtlpriv->cfg->maps
1061                                                 [RTL_IBSS_INT_MASKS], 0);
1062
1063                                 if (rtlpriv->cfg->ops->linked_set_reg)
1064                                         rtlpriv->cfg->ops->linked_set_reg(hw);
1065                                 send_beacon_frame(hw, vif);
1066                         }
1067                 }
1068                 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1069                     !bss_conf->enable_beacon)) {
1070                         if (mac->beacon_enabled == 1) {
1071                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1072                                          "ADHOC DISABLE BEACON\n");
1073
1074                                 mac->beacon_enabled = 0;
1075                                 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1076                                                 rtlpriv->cfg->maps
1077                                                 [RTL_IBSS_INT_MASKS]);
1078                         }
1079                 }
1080                 if (changed & BSS_CHANGED_BEACON_INT) {
1081                         RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
1082                                  "BSS_CHANGED_BEACON_INT\n");
1083                         mac->beacon_interval = bss_conf->beacon_int;
1084                         rtlpriv->cfg->ops->set_bcn_intv(hw);
1085                 }
1086         }
1087
1088         /*TODO: reference to enum ieee80211_bss_change */
1089         if (changed & BSS_CHANGED_ASSOC) {
1090                 u8 mstatus;
1091                 if (bss_conf->assoc) {
1092                         struct ieee80211_sta *sta = NULL;
1093                         u8 keep_alive = 10;
1094
1095                         mstatus = RT_MEDIA_CONNECT;
1096                         /* we should reset all sec info & cam
1097                          * before set cam after linked, we should not
1098                          * reset in disassoc, that will cause tkip->wep
1099                          * fail because some flag will be wrong */
1100                         /* reset sec info */
1101                         rtl_cam_reset_sec_info(hw);
1102                         /* reset cam to fix wep fail issue
1103                          * when change from wpa to wep */
1104                         rtl_cam_reset_all_entry(hw);
1105
1106                         mac->link_state = MAC80211_LINKED;
1107                         mac->cnt_after_linked = 0;
1108                         mac->assoc_id = bss_conf->aid;
1109                         memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1110
1111                         if (rtlpriv->cfg->ops->linked_set_reg)
1112                                 rtlpriv->cfg->ops->linked_set_reg(hw);
1113
1114                         rcu_read_lock();
1115                         sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1116                         if (!sta) {
1117                                 rcu_read_unlock();
1118                                 goto out;
1119                         }
1120                         RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1121                                  "send PS STATIC frame\n");
1122                         if (rtlpriv->dm.supp_phymode_switch) {
1123                                 if (sta->ht_cap.ht_supported)
1124                                         rtl_send_smps_action(hw, sta,
1125                                                         IEEE80211_SMPS_STATIC);
1126                         }
1127
1128                         if (rtlhal->current_bandtype == BAND_ON_5G) {
1129                                 mac->mode = WIRELESS_MODE_A;
1130                         } else {
1131                                 if (sta->supp_rates[0] <= 0xf)
1132                                         mac->mode = WIRELESS_MODE_B;
1133                                 else
1134                                         mac->mode = WIRELESS_MODE_G;
1135                         }
1136
1137                         if (sta->ht_cap.ht_supported) {
1138                                 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1139                                         mac->mode = WIRELESS_MODE_N_24G;
1140                                 else
1141                                         mac->mode = WIRELESS_MODE_N_5G;
1142                         }
1143
1144                         if (sta->vht_cap.vht_supported) {
1145                                 if (rtlhal->current_bandtype == BAND_ON_5G)
1146                                         mac->mode = WIRELESS_MODE_AC_5G;
1147                                 else
1148                                         mac->mode = WIRELESS_MODE_AC_24G;
1149                         }
1150
1151                         if (vif->type == NL80211_IFTYPE_STATION)
1152                                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0,
1153                                                                    true);
1154                         rcu_read_unlock();
1155
1156                         /* to avoid AP Disassociation caused by inactivity */
1157                         rtlpriv->cfg->ops->set_hw_reg(hw,
1158                                                       HW_VAR_KEEP_ALIVE,
1159                                                       (u8 *)(&keep_alive));
1160
1161                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1162                                  "BSS_CHANGED_ASSOC\n");
1163                 } else {
1164                         struct cfg80211_bss *bss = NULL;
1165
1166                         mstatus = RT_MEDIA_DISCONNECT;
1167
1168                         if (mac->link_state == MAC80211_LINKED)
1169                                 rtl_lps_leave(hw);
1170                         if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1171                                 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1172                         mac->link_state = MAC80211_NOLINK;
1173
1174                         bss = cfg80211_get_bss(hw->wiphy, NULL,
1175                                                (u8 *)mac->bssid, NULL, 0,
1176                                                IEEE80211_BSS_TYPE_ESS,
1177                                                IEEE80211_PRIVACY_OFF);
1178
1179                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1180                                  "bssid = %pMF\n", mac->bssid);
1181
1182                         if (bss) {
1183                                 cfg80211_unlink_bss(hw->wiphy, bss);
1184                                 cfg80211_put_bss(hw->wiphy, bss);
1185                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1186                                          "cfg80211_unlink !!\n");
1187                         }
1188
1189                         eth_zero_addr(mac->bssid);
1190                         mac->vendor = PEER_UNKNOWN;
1191                         mac->mode = 0;
1192
1193                         if (rtlpriv->dm.supp_phymode_switch) {
1194                                 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1195                                         rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1196                         }
1197                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1198                                  "BSS_CHANGED_UN_ASSOC\n");
1199                 }
1200                 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1201                 /* For FW LPS:
1202                  * To tell firmware we have connected or disconnected
1203                  */
1204                 rtlpriv->cfg->ops->set_hw_reg(hw,
1205                                               HW_VAR_H2C_FW_JOINBSSRPT,
1206                                               (u8 *)(&mstatus));
1207                 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1208                                       true : false;
1209
1210                 if (rtlpriv->cfg->ops->get_btc_status())
1211                         rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1212                                                         rtlpriv, mstatus);
1213         }
1214
1215         if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1216                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1217                          "BSS_CHANGED_ERP_CTS_PROT\n");
1218                 mac->use_cts_protect = bss_conf->use_cts_prot;
1219         }
1220
1221         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1222                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
1223                          "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1224                           bss_conf->use_short_preamble);
1225
1226                 mac->short_preamble = bss_conf->use_short_preamble;
1227                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1228                                               (u8 *)(&mac->short_preamble));
1229         }
1230
1231         if (changed & BSS_CHANGED_ERP_SLOT) {
1232                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1233                          "BSS_CHANGED_ERP_SLOT\n");
1234
1235                 if (bss_conf->use_short_slot)
1236                         mac->slot_time = RTL_SLOT_TIME_9;
1237                 else
1238                         mac->slot_time = RTL_SLOT_TIME_20;
1239
1240                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1241                                               (u8 *)(&mac->slot_time));
1242         }
1243
1244         if (changed & BSS_CHANGED_HT) {
1245                 struct ieee80211_sta *sta = NULL;
1246
1247                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1248                          "BSS_CHANGED_HT\n");
1249
1250                 rcu_read_lock();
1251                 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1252                 if (sta) {
1253                         if (sta->ht_cap.ampdu_density >
1254                             mac->current_ampdu_density)
1255                                 mac->current_ampdu_density =
1256                                     sta->ht_cap.ampdu_density;
1257                         if (sta->ht_cap.ampdu_factor <
1258                             mac->current_ampdu_factor)
1259                                 mac->current_ampdu_factor =
1260                                     sta->ht_cap.ampdu_factor;
1261                 }
1262                 rcu_read_unlock();
1263
1264                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1265                                               (u8 *)(&mac->max_mss_density));
1266                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1267                                               &mac->current_ampdu_factor);
1268                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1269                                               &mac->current_ampdu_density);
1270         }
1271
1272         if (changed & BSS_CHANGED_BSSID) {
1273                 u32 basic_rates;
1274                 struct ieee80211_sta *sta = NULL;
1275
1276                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1277                                               (u8 *)bss_conf->bssid);
1278
1279                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1280                          "bssid: %pM\n", bss_conf->bssid);
1281
1282                 mac->vendor = PEER_UNKNOWN;
1283                 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1284
1285                 rcu_read_lock();
1286                 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1287                 if (!sta) {
1288                         rcu_read_unlock();
1289                         goto out;
1290                 }
1291
1292                 if (rtlhal->current_bandtype == BAND_ON_5G) {
1293                         mac->mode = WIRELESS_MODE_A;
1294                 } else {
1295                         if (sta->supp_rates[0] <= 0xf)
1296                                 mac->mode = WIRELESS_MODE_B;
1297                         else
1298                                 mac->mode = WIRELESS_MODE_G;
1299                 }
1300
1301                 if (sta->ht_cap.ht_supported) {
1302                         if (rtlhal->current_bandtype == BAND_ON_2_4G)
1303                                 mac->mode = WIRELESS_MODE_N_24G;
1304                         else
1305                                 mac->mode = WIRELESS_MODE_N_5G;
1306                 }
1307
1308                 if (sta->vht_cap.vht_supported) {
1309                         if (rtlhal->current_bandtype == BAND_ON_5G)
1310                                 mac->mode = WIRELESS_MODE_AC_5G;
1311                         else
1312                                 mac->mode = WIRELESS_MODE_AC_24G;
1313                 }
1314
1315                 /* just station need it, because ibss & ap mode will
1316                  * set in sta_add, and will be NULL here */
1317                 if (vif->type == NL80211_IFTYPE_STATION) {
1318                         struct rtl_sta_info *sta_entry;
1319                         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1320                         sta_entry->wireless_mode = mac->mode;
1321                 }
1322
1323                 if (sta->ht_cap.ht_supported) {
1324                         mac->ht_enable = true;
1325
1326                         /*
1327                          * for cisco 1252 bw20 it's wrong
1328                          * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1329                          *      mac->bw_40 = true;
1330                          * }
1331                          * */
1332                 }
1333
1334                 if (sta->vht_cap.vht_supported)
1335                         mac->vht_enable = true;
1336
1337                 if (changed & BSS_CHANGED_BASIC_RATES) {
1338                         /* for 5G must << RATE_6M_INDEX = 4,
1339                          * because 5G have no cck rate*/
1340                         if (rtlhal->current_bandtype == BAND_ON_5G)
1341                                 basic_rates = sta->supp_rates[1] << 4;
1342                         else
1343                                 basic_rates = sta->supp_rates[0];
1344
1345                         mac->basic_rates = basic_rates;
1346                         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1347                                         (u8 *)(&basic_rates));
1348                 }
1349                 rcu_read_unlock();
1350         }
1351 out:
1352         mutex_unlock(&rtlpriv->locks.conf_mutex);
1353 }
1354
1355 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1356 {
1357         struct rtl_priv *rtlpriv = rtl_priv(hw);
1358         u64 tsf;
1359
1360         rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1361         return tsf;
1362 }
1363
1364 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1365                            struct ieee80211_vif *vif, u64 tsf)
1366 {
1367         struct rtl_priv *rtlpriv = rtl_priv(hw);
1368         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1369         u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1370
1371         mac->tsf = tsf;
1372         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1373 }
1374
1375 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1376 {
1377         struct rtl_priv *rtlpriv = rtl_priv(hw);
1378         u8 tmp = 0;
1379
1380         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1381 }
1382
1383 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1384                               struct ieee80211_vif *vif,
1385                               enum sta_notify_cmd cmd,
1386                               struct ieee80211_sta *sta)
1387 {
1388         switch (cmd) {
1389         case STA_NOTIFY_SLEEP:
1390                 break;
1391         case STA_NOTIFY_AWAKE:
1392                 break;
1393         default:
1394                 break;
1395         }
1396 }
1397
1398 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1399                                struct ieee80211_vif *vif,
1400                                struct ieee80211_ampdu_params *params)
1401 {
1402         struct rtl_priv *rtlpriv = rtl_priv(hw);
1403         struct ieee80211_sta *sta = params->sta;
1404         enum ieee80211_ampdu_mlme_action action = params->action;
1405         u16 tid = params->tid;
1406         u16 *ssn = &params->ssn;
1407
1408         switch (action) {
1409         case IEEE80211_AMPDU_TX_START:
1410                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1411                          "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1412                 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1413         case IEEE80211_AMPDU_TX_STOP_CONT:
1414         case IEEE80211_AMPDU_TX_STOP_FLUSH:
1415         case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1416                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1417                          "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1418                 return rtl_tx_agg_stop(hw, vif, sta, tid);
1419         case IEEE80211_AMPDU_TX_OPERATIONAL:
1420                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1421                          "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1422                 rtl_tx_agg_oper(hw, sta, tid);
1423                 break;
1424         case IEEE80211_AMPDU_RX_START:
1425                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1426                          "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1427                 return rtl_rx_agg_start(hw, sta, tid);
1428         case IEEE80211_AMPDU_RX_STOP:
1429                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1430                          "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1431                 return rtl_rx_agg_stop(hw, sta, tid);
1432         default:
1433                 pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
1434                 return -EOPNOTSUPP;
1435         }
1436         return 0;
1437 }
1438
1439 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1440                                  struct ieee80211_vif *vif,
1441                                  const u8 *mac_addr)
1442 {
1443         struct rtl_priv *rtlpriv = rtl_priv(hw);
1444         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1445
1446         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1447         mac->act_scanning = true;
1448         if (rtlpriv->link_info.higher_busytraffic) {
1449                 mac->skip_scan = true;
1450                 return;
1451         }
1452
1453         if (rtlpriv->cfg->ops->get_btc_status())
1454                 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1455         else if (rtlpriv->btcoexist.btc_ops)
1456                 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1457                                                                       1);
1458
1459         if (rtlpriv->dm.supp_phymode_switch) {
1460                 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1461                         rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1462         }
1463
1464         if (mac->link_state == MAC80211_LINKED) {
1465                 rtl_lps_leave(hw);
1466                 mac->link_state = MAC80211_LINKED_SCANNING;
1467         } else {
1468                 rtl_ips_nic_on(hw);
1469         }
1470
1471         /* Dul mac */
1472         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1473
1474         rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1475         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1476 }
1477
1478 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1479                                     struct ieee80211_vif *vif)
1480 {
1481         struct rtl_priv *rtlpriv = rtl_priv(hw);
1482         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1483
1484         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1485         mac->act_scanning = false;
1486         mac->skip_scan = false;
1487
1488         rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1489
1490         if (rtlpriv->link_info.higher_busytraffic)
1491                 return;
1492
1493         /* p2p will use 1/6/11 to scan */
1494         if (mac->n_channels == 3)
1495                 mac->p2p_in_use = true;
1496         else
1497                 mac->p2p_in_use = false;
1498         mac->n_channels = 0;
1499         /* Dul mac */
1500         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1501
1502         if (mac->link_state == MAC80211_LINKED_SCANNING) {
1503                 mac->link_state = MAC80211_LINKED;
1504                 if (mac->opmode == NL80211_IFTYPE_STATION) {
1505                         /* fix fwlps issue */
1506                         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1507                 }
1508         }
1509
1510         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1511         if (rtlpriv->cfg->ops->get_btc_status())
1512                 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1513         else if (rtlpriv->btcoexist.btc_ops)
1514                 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1515                                                                       0);
1516 }
1517
1518 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1519                           struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1520                           struct ieee80211_key_conf *key)
1521 {
1522         struct rtl_priv *rtlpriv = rtl_priv(hw);
1523         u8 key_type = NO_ENCRYPTION;
1524         u8 key_idx;
1525         bool group_key = false;
1526         bool wep_only = false;
1527         int err = 0;
1528         u8 mac_addr[ETH_ALEN];
1529         u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1530
1531         rtlpriv->btcoexist.btc_info.in_4way = false;
1532
1533         if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1534                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1535                          "not open hw encryption\n");
1536                 return -ENOSPC; /*User disabled HW-crypto */
1537         }
1538         /* To support IBSS, use sw-crypto for GTK */
1539         if ((vif->type == NL80211_IFTYPE_ADHOC ||
1540              vif->type == NL80211_IFTYPE_MESH_POINT) &&
1541             !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1542                 return -ENOSPC;
1543         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1544                  "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1545                   cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1546                   sta ? sta->addr : bcast_addr);
1547         rtlpriv->sec.being_setkey = true;
1548         rtl_ips_nic_on(hw);
1549         mutex_lock(&rtlpriv->locks.conf_mutex);
1550         /* <1> get encryption alg */
1551
1552         switch (key->cipher) {
1553         case WLAN_CIPHER_SUITE_WEP40:
1554                 key_type = WEP40_ENCRYPTION;
1555                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1556                 break;
1557         case WLAN_CIPHER_SUITE_WEP104:
1558                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1559                 key_type = WEP104_ENCRYPTION;
1560                 break;
1561         case WLAN_CIPHER_SUITE_TKIP:
1562                 key_type = TKIP_ENCRYPTION;
1563                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1564                 break;
1565         case WLAN_CIPHER_SUITE_CCMP:
1566                 key_type = AESCCMP_ENCRYPTION;
1567                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1568                 break;
1569         case WLAN_CIPHER_SUITE_AES_CMAC:
1570                 /* HW don't support CMAC encryption,
1571                  * use software CMAC encryption
1572                  */
1573                 key_type = AESCMAC_ENCRYPTION;
1574                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1575                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1576                          "HW don't support CMAC encryption, use software CMAC encryption\n");
1577                 err = -EOPNOTSUPP;
1578                 goto out_unlock;
1579         default:
1580                 pr_err("alg_err:%x!!!!:\n", key->cipher);
1581                 goto out_unlock;
1582         }
1583         if (key_type == WEP40_ENCRYPTION ||
1584            key_type == WEP104_ENCRYPTION ||
1585            vif->type == NL80211_IFTYPE_ADHOC)
1586                 rtlpriv->sec.use_defaultkey = true;
1587
1588         /* <2> get key_idx */
1589         key_idx = (u8) (key->keyidx);
1590         if (key_idx > 3)
1591                 goto out_unlock;
1592         /* <3> if pairwise key enable_hw_sec */
1593         group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1594
1595         /* wep always be group key, but there are two conditions:
1596          * 1) wep only: is just for wep enc, in this condition
1597          * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1598          * will be true & enable_hw_sec will be set when wep
1599          * ke setting.
1600          * 2) wep(group) + AES(pairwise): some AP like cisco
1601          * may use it, in this condition enable_hw_sec will not
1602          * be set when wep key setting */
1603         /* we must reset sec_info after lingked before set key,
1604          * or some flag will be wrong*/
1605         if (vif->type == NL80211_IFTYPE_AP ||
1606                 vif->type == NL80211_IFTYPE_MESH_POINT) {
1607                 if (!group_key || key_type == WEP40_ENCRYPTION ||
1608                         key_type == WEP104_ENCRYPTION) {
1609                         if (group_key)
1610                                 wep_only = true;
1611                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1612                 }
1613         } else {
1614                 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC ||
1615                     rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1616                         if (rtlpriv->sec.pairwise_enc_algorithm ==
1617                             NO_ENCRYPTION &&
1618                            (key_type == WEP40_ENCRYPTION ||
1619                             key_type == WEP104_ENCRYPTION))
1620                                 wep_only = true;
1621                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1622                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1623                                  "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1624                                  key_type);
1625                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1626                 }
1627         }
1628         /* <4> set key based on cmd */
1629         switch (cmd) {
1630         case SET_KEY:
1631                 if (wep_only) {
1632                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1633                                  "set WEP(group/pairwise) key\n");
1634                         /* Pairwise key with an assigned MAC address. */
1635                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1636                         rtlpriv->sec.group_enc_algorithm = key_type;
1637                         /*set local buf about wep key. */
1638                         memcpy(rtlpriv->sec.key_buf[key_idx],
1639                                key->key, key->keylen);
1640                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1641                         eth_zero_addr(mac_addr);
1642                 } else if (group_key) { /* group key */
1643                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1644                                  "set group key\n");
1645                         /* group key */
1646                         rtlpriv->sec.group_enc_algorithm = key_type;
1647                         /*set local buf about group key. */
1648                         memcpy(rtlpriv->sec.key_buf[key_idx],
1649                                key->key, key->keylen);
1650                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1651                         memcpy(mac_addr, bcast_addr, ETH_ALEN);
1652                 } else {        /* pairwise key */
1653                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1654                                  "set pairwise key\n");
1655                         if (!sta) {
1656                                 WARN_ONCE(true,
1657                                           "rtlwifi: pairwise key without mac_addr\n");
1658
1659                                 err = -EOPNOTSUPP;
1660                                 goto out_unlock;
1661                         }
1662                         /* Pairwise key with an assigned MAC address. */
1663                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1664                         /*set local buf about pairwise key. */
1665                         memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1666                                key->key, key->keylen);
1667                         rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1668                         rtlpriv->sec.pairwise_key =
1669                             rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1670                         memcpy(mac_addr, sta->addr, ETH_ALEN);
1671                 }
1672                 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1673                                            group_key, key_type, wep_only,
1674                                            false);
1675                 /* <5> tell mac80211 do something: */
1676                 /*must use sw generate IV, or can not work !!!!. */
1677                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1678                 key->hw_key_idx = key_idx;
1679                 if (key_type == TKIP_ENCRYPTION)
1680                         key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1681                 /*use software CCMP encryption for management frames (MFP) */
1682                 if (key_type == AESCCMP_ENCRYPTION)
1683                         key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1684                 break;
1685         case DISABLE_KEY:
1686                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1687                          "disable key delete one entry\n");
1688                 /*set local buf about wep key. */
1689                 if (vif->type == NL80211_IFTYPE_AP ||
1690                         vif->type == NL80211_IFTYPE_MESH_POINT) {
1691                         if (sta)
1692                                 rtl_cam_del_entry(hw, sta->addr);
1693                 }
1694                 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1695                 rtlpriv->sec.key_len[key_idx] = 0;
1696                 eth_zero_addr(mac_addr);
1697                 /*
1698                  *mac80211 will delete entrys one by one,
1699                  *so don't use rtl_cam_reset_all_entry
1700                  *or clear all entry here.
1701                  */
1702                 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */
1703
1704                 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1705                 break;
1706         default:
1707                 pr_err("cmd_err:%x!!!!:\n", cmd);
1708         }
1709 out_unlock:
1710         mutex_unlock(&rtlpriv->locks.conf_mutex);
1711         rtlpriv->sec.being_setkey = false;
1712         return err;
1713 }
1714
1715 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1716 {
1717         struct rtl_priv *rtlpriv = rtl_priv(hw);
1718
1719         bool radio_state;
1720         bool blocked;
1721         u8 valid = 0;
1722
1723         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1724                 return;
1725
1726         mutex_lock(&rtlpriv->locks.conf_mutex);
1727
1728         /*if Radio On return true here */
1729         radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1730
1731         if (valid) {
1732                 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1733                         rtlpriv->rfkill.rfkill_state = radio_state;
1734
1735                         RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1736                                  "wireless radio switch turned %s\n",
1737                                   radio_state ? "on" : "off");
1738
1739                         blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1740                         wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1741                 }
1742         }
1743
1744         mutex_unlock(&rtlpriv->locks.conf_mutex);
1745 }
1746
1747 /* this function is called by mac80211 to flush tx buffer
1748  * before switch channle or power save, or tx buffer packet
1749  * maybe send after offchannel or rf sleep, this may cause
1750  * dis-association by AP */
1751 static void rtl_op_flush(struct ieee80211_hw *hw,
1752                          struct ieee80211_vif *vif,
1753                          u32 queues,
1754                          bool drop)
1755 {
1756         struct rtl_priv *rtlpriv = rtl_priv(hw);
1757
1758         if (rtlpriv->intf_ops->flush)
1759                 rtlpriv->intf_ops->flush(hw, queues, drop);
1760 }
1761
1762 /*      Description:
1763  *              This routine deals with the Power Configuration CMD
1764  *               parsing for RTL8723/RTL8188E Series IC.
1765  *      Assumption:
1766  *              We should follow specific format that was released from HW SD.
1767  */
1768 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1769                               u8 faversion, u8 interface_type,
1770                               struct wlan_pwr_cfg pwrcfgcmd[])
1771 {
1772         struct wlan_pwr_cfg cfg_cmd;
1773         bool polling_bit = false;
1774         u32 ary_idx = 0;
1775         u8 value = 0;
1776         u32 offset = 0;
1777         u32 polling_count = 0;
1778         u32 max_polling_cnt = 5000;
1779
1780         do {
1781                 cfg_cmd = pwrcfgcmd[ary_idx];
1782                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1783                          "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1784                          GET_PWR_CFG_OFFSET(cfg_cmd),
1785                                             GET_PWR_CFG_CUT_MASK(cfg_cmd),
1786                          GET_PWR_CFG_FAB_MASK(cfg_cmd),
1787                                               GET_PWR_CFG_INTF_MASK(cfg_cmd),
1788                          GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1789                          GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1790
1791                 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1792                     (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1793                     (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1794                         switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1795                         case PWR_CMD_READ:
1796                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1797                                         "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1798                                 break;
1799                         case PWR_CMD_WRITE:
1800                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1801                                          "%s(): PWR_CMD_WRITE\n", __func__);
1802                                 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1803
1804                                 /*Read the value from system register*/
1805                                 value = rtl_read_byte(rtlpriv, offset);
1806                                 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1807                                 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1808                                           GET_PWR_CFG_MASK(cfg_cmd));
1809
1810                                 /*Write the value back to sytem register*/
1811                                 rtl_write_byte(rtlpriv, offset, value);
1812                                 break;
1813                         case PWR_CMD_POLLING:
1814                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1815                                         "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1816                                 polling_bit = false;
1817                                 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1818
1819                                 do {
1820                                         value = rtl_read_byte(rtlpriv, offset);
1821
1822                                         value &= GET_PWR_CFG_MASK(cfg_cmd);
1823                                         if (value ==
1824                                             (GET_PWR_CFG_VALUE(cfg_cmd) &
1825                                              GET_PWR_CFG_MASK(cfg_cmd)))
1826                                                 polling_bit = true;
1827                                         else
1828                                                 udelay(10);
1829
1830                                         if (polling_count++ > max_polling_cnt)
1831                                                 return false;
1832                                 } while (!polling_bit);
1833                                 break;
1834                         case PWR_CMD_DELAY:
1835                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1836                                          "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n");
1837                                 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1838                                     PWRSEQ_DELAY_US)
1839                                         udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1840                                 else
1841                                         mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1842                                 break;
1843                         case PWR_CMD_END:
1844                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1845                                          "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n");
1846                                 return true;
1847                         default:
1848                                 WARN_ONCE(true,
1849                                           "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1850                                 break;
1851                         }
1852                 }
1853                 ary_idx++;
1854         } while (1);
1855
1856         return true;
1857 }
1858 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1859
1860 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1861 {
1862         struct rtl_priv *rtlpriv = rtl_priv(hw);
1863         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1864         struct rtl8192_tx_ring *ring;
1865         struct rtl_tx_desc *pdesc;
1866         unsigned long flags;
1867         struct sk_buff *pskb = NULL;
1868
1869         ring = &rtlpci->tx_ring[BEACON_QUEUE];
1870
1871         spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1872         pskb = __skb_dequeue(&ring->queue);
1873         if (pskb)
1874                 dev_kfree_skb_irq(pskb);
1875
1876         /*this is wrong, fill_tx_cmddesc needs update*/
1877         pdesc = &ring->desc[0];
1878
1879         rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1880
1881         __skb_queue_tail(&ring->queue, skb);
1882
1883         spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1884
1885         rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1886
1887         return true;
1888 }
1889 EXPORT_SYMBOL(rtl_cmd_send_packet);
1890 const struct ieee80211_ops rtl_ops = {
1891         .start = rtl_op_start,
1892         .stop = rtl_op_stop,
1893         .tx = rtl_op_tx,
1894         .add_interface = rtl_op_add_interface,
1895         .remove_interface = rtl_op_remove_interface,
1896         .change_interface = rtl_op_change_interface,
1897 #ifdef CONFIG_PM
1898         .suspend = rtl_op_suspend,
1899         .resume = rtl_op_resume,
1900 #endif
1901         .config = rtl_op_config,
1902         .configure_filter = rtl_op_configure_filter,
1903         .set_key = rtl_op_set_key,
1904         .conf_tx = rtl_op_conf_tx,
1905         .bss_info_changed = rtl_op_bss_info_changed,
1906         .get_tsf = rtl_op_get_tsf,
1907         .set_tsf = rtl_op_set_tsf,
1908         .reset_tsf = rtl_op_reset_tsf,
1909         .sta_notify = rtl_op_sta_notify,
1910         .ampdu_action = rtl_op_ampdu_action,
1911         .sw_scan_start = rtl_op_sw_scan_start,
1912         .sw_scan_complete = rtl_op_sw_scan_complete,
1913         .rfkill_poll = rtl_op_rfkill_poll,
1914         .sta_add = rtl_op_sta_add,
1915         .sta_remove = rtl_op_sta_remove,
1916         .flush = rtl_op_flush,
1917 };
1918 EXPORT_SYMBOL_GPL(rtl_ops);
1919
1920 bool rtl_btc_status_false(void)
1921 {
1922         return false;
1923 }
1924 EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1925
1926 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1927 {
1928         struct rtl_priv *rtlpriv = rtl_priv(hw);
1929         struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1930
1931         dm_digtable->dig_enable_flag = true;
1932         dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1933         dm_digtable->cur_igvalue = cur_igvalue;
1934         dm_digtable->pre_igvalue = 0;
1935         dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1936         dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1937         dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1938         dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1939         dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1940         dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1941         dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1942         dm_digtable->rx_gain_max = DM_DIG_MAX;
1943         dm_digtable->rx_gain_min = DM_DIG_MIN;
1944         dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1945         dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1946         dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1947         dm_digtable->pre_cck_cca_thres = 0xff;
1948         dm_digtable->cur_cck_cca_thres = 0x83;
1949         dm_digtable->forbidden_igi = DM_DIG_MIN;
1950         dm_digtable->large_fa_hit = 0;
1951         dm_digtable->recover_cnt = 0;
1952         dm_digtable->dig_min_0 = 0x25;
1953         dm_digtable->dig_min_1 = 0x25;
1954         dm_digtable->media_connect_0 = false;
1955         dm_digtable->media_connect_1 = false;
1956         rtlpriv->dm.dm_initialgain_enable = true;
1957         dm_digtable->bt30_cur_igi = 0x32;
1958         dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1959         dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1960 }
1961 EXPORT_SYMBOL(rtl_dm_diginit);