drivers/net/wireless/realtek/rtlwifi/core.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 2009-2012  Realtek Corporation.*/
   3
   4 #include "wifi.h"
   5 #include "core.h"
   6 #include "cam.h"
   7 #include "base.h"
   8 #include "ps.h"
   9 #include "pwrseqcmd.h"
  10
  11 #include "btcoexist/rtl_btc.h"
  12 #include <linux/firmware.h>
  13 #include <linux/export.h>
  14 #include <net/cfg80211.h>
  15
  16 u8 channel5g[CHANNEL_MAX_NUMBER_5G] = {
  17         36, 38, 40, 42, 44, 46, 48,             /* Band 1 */
  18         52, 54, 56, 58, 60, 62, 64,             /* Band 2 */
  19         100, 102, 104, 106, 108, 110, 112,      /* Band 3 */
  20         116, 118, 120, 122, 124, 126, 128,      /* Band 3 */
  21         132, 134, 136, 138, 140, 142, 144,      /* Band 3 */
  22         149, 151, 153, 155, 157, 159, 161,      /* Band 4 */
  23         165, 167, 169, 171, 173, 175, 177       /* Band 4 */
  24 };
  25 EXPORT_SYMBOL(channel5g);
  26
  27 u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = {
  28         42, 58, 106, 122, 138, 155, 171
  29 };
  30 EXPORT_SYMBOL(channel5g_80m);
  31
  32 void rtl_addr_delay(u32 addr)
  33 {
  34         if (addr == 0xfe)
  35                 mdelay(50);
  36         else if (addr == 0xfd)
  37                 msleep(5);
  38         else if (addr == 0xfc)
  39                 msleep(1);
  40         else if (addr == 0xfb)
  41                 usleep_range(50, 100);
  42         else if (addr == 0xfa)
  43                 usleep_range(5, 10);
  44         else if (addr == 0xf9)
  45                 usleep_range(1, 2);
  46 }
  47 EXPORT_SYMBOL(rtl_addr_delay);
  48
  49 void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr,
  50                      u32 mask, u32 data)
  51 {
  52         if (addr >= 0xf9 && addr <= 0xfe) {
  53                 rtl_addr_delay(addr);
  54         } else {
  55                 rtl_set_rfreg(hw, rfpath, addr, mask, data);
  56                 udelay(1);
  57         }
  58 }
  59 EXPORT_SYMBOL(rtl_rfreg_delay);
  60
  61 void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data)
  62 {
  63         if (addr >= 0xf9 && addr <= 0xfe) {
  64                 rtl_addr_delay(addr);
  65         } else {
  66                 rtl_set_bbreg(hw, addr, MASKDWORD, data);
  67                 udelay(1);
  68         }
  69 }
  70 EXPORT_SYMBOL(rtl_bb_delay);
  71
  72 static void rtl_fw_do_work(const struct firmware *firmware, void *context,
  73                            bool is_wow)
  74 {
  75         struct ieee80211_hw *hw = context;
  76         struct rtl_priv *rtlpriv = rtl_priv(hw);
  77         int err;
  78
  79         RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
  80                  "Firmware callback routine entered!\n");
  81         complete(&rtlpriv->firmware_loading_complete);
  82         if (!firmware) {
  83                 if (rtlpriv->cfg->alt_fw_name) {
  84                         err = reject_firmware(&firmware,
  85                                                rtlpriv->cfg->alt_fw_name,
  86                                                rtlpriv->io.dev);
  87                         pr_info("Loading alternative firmware %s\n",
  88                                 rtlpriv->cfg->alt_fw_name);
  89                         if (!err)
  90                                 goto found_alt;
  91                 }
  92                 pr_err("Selected firmware is not available\n");
  93                 rtlpriv->max_fw_size = 0;
  94                 return;
  95         }
  96 found_alt:
  97         if (firmware->size > rtlpriv->max_fw_size) {
  98                 pr_err("Firmware is too big!\n");
  99                 release_firmware(firmware);
 100                 return;
 101         }
 102         if (!is_wow) {
 103                 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
 104                        firmware->size);
 105                 rtlpriv->rtlhal.fwsize = firmware->size;
 106         } else {
 107                 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
 108                        firmware->size);
 109                 rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
 110         }
 111         release_firmware(firmware);
 112 }
 113
 114 void rtl_fw_cb(const struct firmware *firmware, void *context)
 115 {
 116         rtl_fw_do_work(firmware, context, false);
 117 }
 118 EXPORT_SYMBOL(rtl_fw_cb);
 119
 120 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
 121 {
 122         rtl_fw_do_work(firmware, context, true);
 123 }
 124 EXPORT_SYMBOL(rtl_wowlan_fw_cb);
 125
 126 /*mutex for start & stop is must here. */
 127 static int rtl_op_start(struct ieee80211_hw *hw)
 128 {
 129         int err = 0;
 130         struct rtl_priv *rtlpriv = rtl_priv(hw);
 131         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 132
 133         if (!is_hal_stop(rtlhal))
 134                 return 0;
 135         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 136                 return 0;
 137         mutex_lock(&rtlpriv->locks.conf_mutex);
 138         err = rtlpriv->intf_ops->adapter_start(hw);
 139         if (!err)
 140                 rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer);
 141         mutex_unlock(&rtlpriv->locks.conf_mutex);
 142         return err;
 143 }
 144
 145 static void rtl_op_stop(struct ieee80211_hw *hw)
 146 {
 147         struct rtl_priv *rtlpriv = rtl_priv(hw);
 148         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 149         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 150         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 151         bool support_remote_wakeup = false;
 152
 153         if (is_hal_stop(rtlhal))
 154                 return;
 155
 156         rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
 157                                       (u8 *)(&support_remote_wakeup));
 158         /* here is must, because adhoc do stop and start,
 159          * but stop with RFOFF may cause something wrong,
 160          * like adhoc TP
 161          */
 162         if (unlikely(ppsc->rfpwr_state == ERFOFF))
 163                 rtl_ips_nic_on(hw);
 164
 165         mutex_lock(&rtlpriv->locks.conf_mutex);
 166         /* if wowlan supported, DON'T clear connected info */
 167         if (!(support_remote_wakeup &&
 168               rtlhal->enter_pnp_sleep)) {
 169                 mac->link_state = MAC80211_NOLINK;
 170                 eth_zero_addr(mac->bssid);
 171                 mac->vendor = PEER_UNKNOWN;
 172
 173                 /* reset sec info */
 174                 rtl_cam_reset_sec_info(hw);
 175
 176                 rtl_deinit_deferred_work(hw, false);
 177         }
 178         rtlpriv->intf_ops->adapter_stop(hw);
 179
 180         mutex_unlock(&rtlpriv->locks.conf_mutex);
 181 }
 182
 183 static void rtl_op_tx(struct ieee80211_hw *hw,
 184                       struct ieee80211_tx_control *control,
 185                       struct sk_buff *skb)
 186 {
 187         struct rtl_priv *rtlpriv = rtl_priv(hw);
 188         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 189         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 190         struct rtl_tcb_desc tcb_desc;
 191
 192         memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 193
 194         if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
 195                 goto err_free;
 196
 197         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 198                 goto err_free;
 199
 200         if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
 201                 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
 202         return;
 203
 204 err_free:
 205         dev_kfree_skb_any(skb);
 206 }
 207
 208 static int rtl_op_add_interface(struct ieee80211_hw *hw,
 209                 struct ieee80211_vif *vif)
 210 {
 211         struct rtl_priv *rtlpriv = rtl_priv(hw);
 212         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 213         int err = 0;
 214         u8 retry_limit = 0x30;
 215
 216         if (mac->vif) {
 217                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 218                          "vif has been set!! mac->vif = 0x%p\n", mac->vif);
 219                 return -EOPNOTSUPP;
 220         }
 221
 222         vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
 223
 224         rtl_ips_nic_on(hw);
 225
 226         mutex_lock(&rtlpriv->locks.conf_mutex);
 227         switch (ieee80211_vif_type_p2p(vif)) {
 228         case NL80211_IFTYPE_P2P_CLIENT:
 229                 mac->p2p = P2P_ROLE_CLIENT;
 230                 /*fall through*/
 231         case NL80211_IFTYPE_STATION:
 232                 if (mac->beacon_enabled == 1) {
 233                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 234                                  "NL80211_IFTYPE_STATION\n");
 235                         mac->beacon_enabled = 0;
 236                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 237                                         rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 238                 }
 239                 break;
 240         case NL80211_IFTYPE_ADHOC:
 241                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 242                          "NL80211_IFTYPE_ADHOC\n");
 243
 244                 mac->link_state = MAC80211_LINKED;
 245                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 246                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 247                         mac->basic_rates = 0xfff;
 248                 else
 249                         mac->basic_rates = 0xff0;
 250                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 251                                 (u8 *)(&mac->basic_rates));
 252
 253                 retry_limit = 0x07;
 254                 break;
 255         case NL80211_IFTYPE_P2P_GO:
 256                 mac->p2p = P2P_ROLE_GO;
 257                 /*fall through*/
 258         case NL80211_IFTYPE_AP:
 259                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 260                          "NL80211_IFTYPE_AP\n");
 261
 262                 mac->link_state = MAC80211_LINKED;
 263                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 264                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 265                         mac->basic_rates = 0xfff;
 266                 else
 267                         mac->basic_rates = 0xff0;
 268                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 269                                               (u8 *)(&mac->basic_rates));
 270
 271                 retry_limit = 0x07;
 272                 break;
 273         case NL80211_IFTYPE_MESH_POINT:
 274                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 275                          "NL80211_IFTYPE_MESH_POINT\n");
 276
 277                 mac->link_state = MAC80211_LINKED;
 278                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 279                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 280                         mac->basic_rates = 0xfff;
 281                 else
 282                         mac->basic_rates = 0xff0;
 283                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 284                                 (u8 *)(&mac->basic_rates));
 285
 286                 retry_limit = 0x07;
 287                 break;
 288         default:
 289                 pr_err("operation mode %d is not supported!\n",
 290                        vif->type);
 291                 err = -EOPNOTSUPP;
 292                 goto out;
 293         }
 294
 295         if (mac->p2p) {
 296                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 297                          "p2p role %x\n", vif->type);
 298                 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
 299                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 300                                 (u8 *)(&mac->basic_rates));
 301         }
 302         mac->vif = vif;
 303         mac->opmode = vif->type;
 304         rtlpriv->cfg->ops->set_network_type(hw, vif->type);
 305         memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
 306         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
 307
 308         mac->retry_long = retry_limit;
 309         mac->retry_short = retry_limit;
 310         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 311                         (u8 *)(&retry_limit));
 312 out:
 313         mutex_unlock(&rtlpriv->locks.conf_mutex);
 314         return err;
 315 }
 316
 317 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
 318                 struct ieee80211_vif *vif)
 319 {
 320         struct rtl_priv *rtlpriv = rtl_priv(hw);
 321         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 322
 323         mutex_lock(&rtlpriv->locks.conf_mutex);
 324
 325         /* Free beacon resources */
 326         if (vif->type == NL80211_IFTYPE_AP ||
 327             vif->type == NL80211_IFTYPE_ADHOC ||
 328             vif->type == NL80211_IFTYPE_MESH_POINT) {
 329                 if (mac->beacon_enabled == 1) {
 330                         mac->beacon_enabled = 0;
 331                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 332                                         rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 333                 }
 334         }
 335
 336         /*
 337          *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
 338          *NO LINK for our hardware.
 339          */
 340         mac->p2p = 0;
 341         mac->vif = NULL;
 342         mac->link_state = MAC80211_NOLINK;
 343         eth_zero_addr(mac->bssid);
 344         mac->vendor = PEER_UNKNOWN;
 345         mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
 346         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
 347
 348         mutex_unlock(&rtlpriv->locks.conf_mutex);
 349 }
 350
 351 static int rtl_op_change_interface(struct ieee80211_hw *hw,
 352                                    struct ieee80211_vif *vif,
 353                                    enum nl80211_iftype new_type, bool p2p)
 354 {
 355         struct rtl_priv *rtlpriv = rtl_priv(hw);
 356         int ret;
 357
 358         rtl_op_remove_interface(hw, vif);
 359
 360         vif->type = new_type;
 361         vif->p2p = p2p;
 362         ret = rtl_op_add_interface(hw, vif);
 363         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 364                  "p2p  %x\n", p2p);
 365         return ret;
 366 }
 367
 368 #ifdef CONFIG_PM
 369 static u16 crc16_ccitt(u8 data, u16 crc)
 370 {
 371         u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
 372         u8 i;
 373         u16 result;
 374
 375         for (i = 0; i < 8; i++) {
 376                 crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
 377                 data_bit  = (data & (BIT(0) << i) ? 1 : 0);
 378                 shift_in = crc_bit15 ^ data_bit;
 379
 380                 result = crc << 1;
 381                 if (shift_in == 0)
 382                         result &= (~BIT(0));
 383                 else
 384                         result |= BIT(0);
 385
 386                 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
 387                 if (crc_bit11 == 0)
 388                         result &= (~BIT(12));
 389                 else
 390                         result |= BIT(12);
 391
 392                 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
 393                 if (crc_bit4 == 0)
 394                         result &= (~BIT(5));
 395                 else
 396                         result |= BIT(5);
 397
 398                 crc = result;
 399         }
 400
 401         return crc;
 402 }
 403
 404 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
 405 {
 406         u16 crc = 0xffff;
 407         u32 i;
 408
 409         for (i = 0; i < len; i++)
 410                 crc = crc16_ccitt(pattern[i], crc);
 411
 412         crc = ~crc;
 413
 414         return crc;
 415 }
 416
 417 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
 418                                      struct cfg80211_wowlan *wow)
 419 {
 420         struct rtl_priv *rtlpriv = rtl_priv(hw);
 421         struct rtl_mac *mac = &rtlpriv->mac80211;
 422         struct cfg80211_pkt_pattern *patterns = wow->patterns;
 423         struct rtl_wow_pattern rtl_pattern;
 424         const u8 *pattern_os, *mask_os;
 425         u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
 426         u8 content[MAX_WOL_PATTERN_SIZE] = {0};
 427         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 428         u8 multicast_addr1[2] = {0x33, 0x33};
 429         u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
 430         u8 i, mask_len;
 431         u16 j, len;
 432
 433         for (i = 0; i < wow->n_patterns; i++) {
 434                 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
 435                 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
 436                 if (patterns[i].pattern_len < 0 ||
 437                     patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
 438                         RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING,
 439                                  "Pattern[%d] is too long\n", i);
 440                         continue;
 441                 }
 442                 pattern_os = patterns[i].pattern;
 443                 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
 444                 mask_os = patterns[i].mask;
 445                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 446                               "pattern content\n", pattern_os,
 447                                patterns[i].pattern_len);
 448                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 449                               "mask content\n", mask_os, mask_len);
 450                 /* 1. unicast? multicast? or broadcast? */
 451                 if (memcmp(pattern_os, broadcast_addr, 6) == 0)
 452                         rtl_pattern.type = BROADCAST_PATTERN;
 453                 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
 454                          memcmp(pattern_os, multicast_addr2, 3) == 0)
 455                         rtl_pattern.type = MULTICAST_PATTERN;
 456                 else if  (memcmp(pattern_os, mac->mac_addr, 6) == 0)
 457                         rtl_pattern.type = UNICAST_PATTERN;
 458                 else
 459                         rtl_pattern.type = UNKNOWN_TYPE;
 460
 461                 /* 2. translate mask_from_os to mask_for_hw */
 462
 463 /******************************************************************************
 464  * pattern from OS uses 'ethenet frame', like this:
 465
 466                    |    6   |    6   |   2  |     20    |  Variable  |  4  |
 467                    |--------+--------+------+-----------+------------+-----|
 468                    |    802.3 Mac Header    | IP Header | TCP Packet | FCS |
 469                    |   DA   |   SA   | Type |
 470
 471  * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
 472
 473         |     24 or 30      |    6   |   2  |     20    |  Variable  |  4  |
 474         |-------------------+--------+------+-----------+------------+-----|
 475         | 802.11 MAC Header |       LLC     | IP Header | TCP Packet | FCS |
 476                             | Others | Tpye |
 477
 478  * Therefore, we need translate mask_from_OS to mask_to_hw.
 479  * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
 480  * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
 481  * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
 482  ******************************************************************************/
 483
 484                 /* Shift 6 bits */
 485                 for (j = 0; j < mask_len - 1; j++) {
 486                         mask[j] = mask_os[j] >> 6;
 487                         mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
 488                 }
 489                 mask[j] = (mask_os[j] >> 6) & 0x3F;
 490                 /* Set bit 0-5 to zero */
 491                 mask[0] &= 0xC0;
 492
 493                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 494                               "mask to hw\n", mask, mask_len);
 495                 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
 496                         rtl_pattern.mask[j] = mask[j * 4];
 497                         rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
 498                         rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
 499                         rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
 500                 }
 501
 502                 /* To get the wake up pattern from the mask.
 503                  * We do not count first 12 bits which means
 504                  * DA[6] and SA[6] in the pattern to match HW design.
 505                  */
 506                 len = 0;
 507                 for (j = 12; j < patterns[i].pattern_len; j++) {
 508                         if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
 509                                 content[len] = pattern_os[j];
 510                                 len++;
 511                         }
 512                 }
 513
 514                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 515                               "pattern to hw\n", content, len);
 516                 /* 3. calculate crc */
 517                 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
 518                 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
 519                          "CRC_Remainder = 0x%x\n", rtl_pattern.crc);
 520
 521                 /* 4. write crc & mask_for_hw to hw */
 522                 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
 523         }
 524         rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
 525 }
 526
 527 static int rtl_op_suspend(struct ieee80211_hw *hw,
 528                           struct cfg80211_wowlan *wow)
 529 {
 530         struct rtl_priv *rtlpriv = rtl_priv(hw);
 531         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 532         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 533
 534         RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 535         if (WARN_ON(!wow))
 536                 return -EINVAL;
 537
 538         /* to resolve s4 can not wake up*/
 539         rtlhal->last_suspend_sec = ktime_get_real_seconds();
 540
 541         if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
 542                 _rtl_add_wowlan_patterns(hw, wow);
 543
 544         rtlhal->driver_is_goingto_unload = true;
 545         rtlhal->enter_pnp_sleep = true;
 546
 547         rtl_lps_leave(hw);
 548         rtl_op_stop(hw);
 549         device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
 550         return 0;
 551 }
 552
 553 static int rtl_op_resume(struct ieee80211_hw *hw)
 554 {
 555         struct rtl_priv *rtlpriv = rtl_priv(hw);
 556         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 557         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 558         time64_t now;
 559
 560         RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 561         rtlhal->driver_is_goingto_unload = false;
 562         rtlhal->enter_pnp_sleep = false;
 563         rtlhal->wake_from_pnp_sleep = true;
 564
 565         /* to resovle s4 can not wake up*/
 566         now = ktime_get_real_seconds();
 567         if (now - rtlhal->last_suspend_sec < 5)
 568                 return -1;
 569
 570         rtl_op_start(hw);
 571         device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
 572         ieee80211_resume_disconnect(mac->vif);
 573         rtlhal->wake_from_pnp_sleep = false;
 574         return 0;
 575 }
 576 #endif
 577
 578 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
 579 {
 580         struct rtl_priv *rtlpriv = rtl_priv(hw);
 581         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 582         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 583         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 584         struct ieee80211_conf *conf = &hw->conf;
 585
 586         if (mac->skip_scan)
 587                 return 1;
 588
 589         mutex_lock(&rtlpriv->locks.conf_mutex);
 590         if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {  /* BIT(2)*/
 591                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 592                          "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
 593         }
 594
 595         /*For IPS */
 596         if (changed & IEEE80211_CONF_CHANGE_IDLE) {
 597                 if (hw->conf.flags & IEEE80211_CONF_IDLE)
 598                         rtl_ips_nic_off(hw);
 599                 else
 600                         rtl_ips_nic_on(hw);
 601         } else {
 602                 /*
 603                  *although rfoff may not cause by ips, but we will
 604                  *check the reason in set_rf_power_state function
 605                  */
 606                 if (unlikely(ppsc->rfpwr_state == ERFOFF))
 607                         rtl_ips_nic_on(hw);
 608         }
 609
 610         /*For LPS */
 611         if ((changed & IEEE80211_CONF_CHANGE_PS) &&
 612             rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) {
 613                 cancel_delayed_work(&rtlpriv->works.ps_work);
 614                 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 615                 if (conf->flags & IEEE80211_CONF_PS) {
 616                         rtlpriv->psc.sw_ps_enabled = true;
 617                         /* sleep here is must, or we may recv the beacon and
 618                          * cause mac80211 into wrong ps state, this will cause
 619                          * power save nullfunc send fail, and further cause
 620                          * pkt loss, So sleep must quickly but not immediatly
 621                          * because that will cause nullfunc send by mac80211
 622                          * fail, and cause pkt loss, we have tested that 5mA
 623                          * is worked very well */
 624                         if (!rtlpriv->psc.multi_buffered)
 625                                 queue_delayed_work(rtlpriv->works.rtl_wq,
 626                                                    &rtlpriv->works.ps_work,
 627                                                    MSECS(5));
 628                 } else {
 629                         rtl_swlps_rf_awake(hw);
 630                         rtlpriv->psc.sw_ps_enabled = false;
 631                 }
 632         }
 633
 634         if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
 635                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 636                          "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
 637                          hw->conf.long_frame_max_tx_count);
 638                 /* brought up everything changes (changed == ~0) indicates first
 639                  * open, so use our default value instead of that of wiphy.
 640                  */
 641                 if (changed != ~0) {
 642                         mac->retry_long = hw->conf.long_frame_max_tx_count;
 643                         mac->retry_short = hw->conf.long_frame_max_tx_count;
 644                         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 645                                 (u8 *)(&hw->conf.long_frame_max_tx_count));
 646                 }
 647         }
 648
 649         if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
 650             !rtlpriv->proximity.proxim_on) {
 651                 struct ieee80211_channel *channel = hw->conf.chandef.chan;
 652                 enum nl80211_chan_width width = hw->conf.chandef.width;
 653                 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
 654                 u8 wide_chan = (u8) channel->hw_value;
 655
 656                 /* channel_type is for 20&40M */
 657                 if (width < NL80211_CHAN_WIDTH_80)
 658                         channel_type =
 659                                 cfg80211_get_chandef_type(&hw->conf.chandef);
 660                 if (mac->act_scanning)
 661                         mac->n_channels++;
 662
 663                 if (rtlpriv->dm.supp_phymode_switch &&
 664                         mac->link_state < MAC80211_LINKED &&
 665                         !mac->act_scanning) {
 666                         if (rtlpriv->cfg->ops->chk_switch_dmdp)
 667                                 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
 668                 }
 669
 670                 /*
 671                  *because we should back channel to
 672                  *current_network.chan in in scanning,
 673                  *So if set_chan == current_network.chan
 674                  *we should set it.
 675                  *because mac80211 tell us wrong bw40
 676                  *info for cisco1253 bw20, so we modify
 677                  *it here based on UPPER & LOWER
 678                  */
 679
 680                 if (width >= NL80211_CHAN_WIDTH_80) {
 681                         if (width == NL80211_CHAN_WIDTH_80) {
 682                                 u32 center = hw->conf.chandef.center_freq1;
 683                                 u32 primary =
 684                                 (u32)hw->conf.chandef.chan->center_freq;
 685
 686                                 rtlphy->current_chan_bw =
 687                                         HT_CHANNEL_WIDTH_80;
 688                                 mac->bw_80 = true;
 689                                 mac->bw_40 = true;
 690                                 if (center > primary) {
 691                                         mac->cur_80_prime_sc =
 692                                         PRIME_CHNL_OFFSET_LOWER;
 693                                         if (center - primary == 10) {
 694                                                 mac->cur_40_prime_sc =
 695                                                 PRIME_CHNL_OFFSET_UPPER;
 696
 697                                                 wide_chan += 2;
 698                                         } else if (center - primary == 30) {
 699                                                 mac->cur_40_prime_sc =
 700                                                 PRIME_CHNL_OFFSET_LOWER;
 701
 702                                                 wide_chan += 6;
 703                                         }
 704                                 } else {
 705                                         mac->cur_80_prime_sc =
 706                                         PRIME_CHNL_OFFSET_UPPER;
 707                                         if (primary - center == 10) {
 708                                                 mac->cur_40_prime_sc =
 709                                                 PRIME_CHNL_OFFSET_LOWER;
 710
 711                                                 wide_chan -= 2;
 712                                         } else if (primary - center == 30) {
 713                                                 mac->cur_40_prime_sc =
 714                                                 PRIME_CHNL_OFFSET_UPPER;
 715
 716                                                 wide_chan -= 6;
 717                                         }
 718                                 }
 719                         }
 720                 } else {
 721                         switch (channel_type) {
 722                         case NL80211_CHAN_HT20:
 723                         case NL80211_CHAN_NO_HT:
 724                                         /* SC */
 725                                         mac->cur_40_prime_sc =
 726                                                 PRIME_CHNL_OFFSET_DONT_CARE;
 727                                         rtlphy->current_chan_bw =
 728                                                 HT_CHANNEL_WIDTH_20;
 729                                         mac->bw_40 = false;
 730                                         mac->bw_80 = false;
 731                                         break;
 732                         case NL80211_CHAN_HT40MINUS:
 733                                         /* SC */
 734                                         mac->cur_40_prime_sc =
 735                                                 PRIME_CHNL_OFFSET_UPPER;
 736                                         rtlphy->current_chan_bw =
 737                                                 HT_CHANNEL_WIDTH_20_40;
 738                                         mac->bw_40 = true;
 739                                         mac->bw_80 = false;
 740
 741                                         /*wide channel */
 742                                         wide_chan -= 2;
 743
 744                                         break;
 745                         case NL80211_CHAN_HT40PLUS:
 746                                         /* SC */
 747                                         mac->cur_40_prime_sc =
 748                                                 PRIME_CHNL_OFFSET_LOWER;
 749                                         rtlphy->current_chan_bw =
 750                                                 HT_CHANNEL_WIDTH_20_40;
 751                                         mac->bw_40 = true;
 752                                         mac->bw_80 = false;
 753
 754                                         /*wide channel */
 755                                         wide_chan += 2;
 756
 757                                         break;
 758                         default:
 759                                         mac->bw_40 = false;
 760                                         mac->bw_80 = false;
 761                                         pr_err("switch case %#x not processed\n",
 762                                                channel_type);
 763                                         break;
 764                         }
 765                 }
 766
 767                 if (wide_chan <= 0)
 768                         wide_chan = 1;
 769
 770                 /* In scanning, when before we offchannel we may send a ps=1
 771                  * null to AP, and then we may send a ps = 0 null to AP quickly,
 772                  * but first null may have caused AP to put lots of packet to
 773                  * hw tx buffer. These packets must be tx'd before we go off
 774                  * channel so we must delay more time to let AP flush these
 775                  * packets before going offchannel, or dis-association or
 776                  * delete BA will be caused by AP
 777                  */
 778                 if (rtlpriv->mac80211.offchan_delay) {
 779                         rtlpriv->mac80211.offchan_delay = false;
 780                         mdelay(50);
 781                 }
 782
 783                 rtlphy->current_channel = wide_chan;
 784
 785                 rtlpriv->cfg->ops->switch_channel(hw);
 786                 rtlpriv->cfg->ops->set_channel_access(hw);
 787                 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
 788         }
 789
 790         mutex_unlock(&rtlpriv->locks.conf_mutex);
 791
 792         return 0;
 793 }
 794
 795 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
 796                                     unsigned int changed_flags,
 797                                     unsigned int *new_flags, u64 multicast)
 798 {
 799         bool update_rcr = false;
 800         struct rtl_priv *rtlpriv = rtl_priv(hw);
 801         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 802
 803         *new_flags &= RTL_SUPPORTED_FILTERS;
 804         if (0 == changed_flags)
 805                 return;
 806
 807         /*TODO: we disable broadcase now, so enable here */
 808         if (changed_flags & FIF_ALLMULTI) {
 809                 if (*new_flags & FIF_ALLMULTI) {
 810                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
 811                             rtlpriv->cfg->maps[MAC_RCR_AB];
 812                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 813                                  "Enable receive multicast frame\n");
 814                 } else {
 815                         mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
 816                                           rtlpriv->cfg->maps[MAC_RCR_AB]);
 817                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 818                                  "Disable receive multicast frame\n");
 819                 }
 820                 update_rcr = true;
 821         }
 822
 823         if (changed_flags & FIF_FCSFAIL) {
 824                 if (*new_flags & FIF_FCSFAIL) {
 825                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 826                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 827                                  "Enable receive FCS error frame\n");
 828                 } else {
 829                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 830                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 831                                  "Disable receive FCS error frame\n");
 832                 }
 833                 if (!update_rcr)
 834                         update_rcr = true;
 835         }
 836
 837         /* if ssid not set to hw don't check bssid
 838          * here just used for linked scanning, & linked
 839          * and nolink check bssid is set in set network_type
 840          */
 841         if (changed_flags & FIF_BCN_PRBRESP_PROMISC &&
 842             mac->link_state >= MAC80211_LINKED) {
 843                 if (mac->opmode != NL80211_IFTYPE_AP &&
 844                     mac->opmode != NL80211_IFTYPE_MESH_POINT) {
 845                         if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
 846                                 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
 847                         else
 848                                 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
 849                         if (update_rcr)
 850                                 update_rcr = false;
 851                 }
 852         }
 853
 854         if (changed_flags & FIF_CONTROL) {
 855                 if (*new_flags & FIF_CONTROL) {
 856                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
 857
 858                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 859                                  "Enable receive control frame.\n");
 860                 } else {
 861                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
 862                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 863                                  "Disable receive control frame.\n");
 864                 }
 865                 if (!update_rcr)
 866                         update_rcr = true;
 867         }
 868
 869         if (changed_flags & FIF_OTHER_BSS) {
 870                 if (*new_flags & FIF_OTHER_BSS) {
 871                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
 872                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 873                                  "Enable receive other BSS's frame.\n");
 874                 } else {
 875                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
 876                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 877                                  "Disable receive other BSS's frame.\n");
 878                 }
 879                 if (!update_rcr)
 880                         update_rcr = true;
 881         }
 882
 883         if (update_rcr)
 884                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
 885                                               (u8 *)(&mac->rx_conf));
 886 }
 887
 888 static int rtl_op_sta_add(struct ieee80211_hw *hw,
 889                          struct ieee80211_vif *vif,
 890                          struct ieee80211_sta *sta)
 891 {
 892         struct rtl_priv *rtlpriv = rtl_priv(hw);
 893         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 894         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 895         struct rtl_sta_info *sta_entry;
 896
 897         if (sta) {
 898                 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 899                 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 900                 list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
 901                 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 902                 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 903                         sta_entry->wireless_mode = WIRELESS_MODE_G;
 904                         if (sta->supp_rates[0] <= 0xf)
 905                                 sta_entry->wireless_mode = WIRELESS_MODE_B;
 906                         if (sta->ht_cap.ht_supported)
 907                                 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
 908
 909                         if (vif->type == NL80211_IFTYPE_ADHOC)
 910                                 sta_entry->wireless_mode = WIRELESS_MODE_G;
 911                 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
 912                         sta_entry->wireless_mode = WIRELESS_MODE_A;
 913                         if (sta->ht_cap.ht_supported)
 914                                 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
 915                         if (sta->vht_cap.vht_supported)
 916                                 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
 917
 918                         if (vif->type == NL80211_IFTYPE_ADHOC)
 919                                 sta_entry->wireless_mode = WIRELESS_MODE_A;
 920                 }
 921                 /*disable cck rate for p2p*/
 922                 if (mac->p2p)
 923                         sta->supp_rates[0] &= 0xfffffff0;
 924
 925                 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
 926                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 927                         "Add sta addr is %pM\n", sta->addr);
 928                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true);
 929         }
 930
 931         return 0;
 932 }
 933
 934 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
 935                                 struct ieee80211_vif *vif,
 936                                 struct ieee80211_sta *sta)
 937 {
 938         struct rtl_priv *rtlpriv = rtl_priv(hw);
 939         struct rtl_sta_info *sta_entry;
 940
 941         if (sta) {
 942                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 943                          "Remove sta addr is %pM\n", sta->addr);
 944                 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 945                 sta_entry->wireless_mode = 0;
 946                 sta_entry->ratr_index = 0;
 947                 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 948                 list_del(&sta_entry->list);
 949                 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 950         }
 951         return 0;
 952 }
 953
 954 static int _rtl_get_hal_qnum(u16 queue)
 955 {
 956         int qnum;
 957
 958         switch (queue) {
 959         case 0:
 960                 qnum = AC3_VO;
 961                 break;
 962         case 1:
 963                 qnum = AC2_VI;
 964                 break;
 965         case 2:
 966                 qnum = AC0_BE;
 967                 break;
 968         case 3:
 969                 qnum = AC1_BK;
 970                 break;
 971         default:
 972                 qnum = AC0_BE;
 973                 break;
 974         }
 975         return qnum;
 976 }
 977
 978 /*
 979  *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
 980  *for rtl819x  BE = 0, BK = 1, VI = 2, VO = 3
 981  */
 982 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
 983                           struct ieee80211_vif *vif, u16 queue,
 984                           const struct ieee80211_tx_queue_params *param)
 985 {
 986         struct rtl_priv *rtlpriv = rtl_priv(hw);
 987         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 988         int aci;
 989
 990         if (queue >= AC_MAX) {
 991                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 992                          "queue number %d is incorrect!\n", queue);
 993                 return -EINVAL;
 994         }
 995
 996         aci = _rtl_get_hal_qnum(queue);
 997         mac->ac[aci].aifs = param->aifs;
 998         mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
 999         mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1000         mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1001         memcpy(&mac->edca_param[aci], param, sizeof(*param));
1002         rtlpriv->cfg->ops->set_qos(hw, aci);
1003         return 0;
1004 }
1005
1006 static void send_beacon_frame(struct ieee80211_hw *hw,
1007                               struct ieee80211_vif *vif)
1008 {
1009         struct rtl_priv *rtlpriv = rtl_priv(hw);
1010         struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
1011         struct rtl_tcb_desc tcb_desc;
1012
1013         if (skb) {
1014                 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1015                 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1016         }
1017 }
1018
1019 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1020                                     struct ieee80211_vif *vif,
1021                                     struct ieee80211_bss_conf *bss_conf,
1022                                     u32 changed)
1023 {
1024         struct rtl_priv *rtlpriv = rtl_priv(hw);
1025         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1026         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1027         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1028
1029         mutex_lock(&rtlpriv->locks.conf_mutex);
1030         if (vif->type == NL80211_IFTYPE_ADHOC ||
1031             vif->type == NL80211_IFTYPE_AP ||
1032             vif->type == NL80211_IFTYPE_MESH_POINT) {
1033                 if (changed & BSS_CHANGED_BEACON ||
1034                     (changed & BSS_CHANGED_BEACON_ENABLED &&
1035                      bss_conf->enable_beacon)) {
1036                         if (mac->beacon_enabled == 0) {
1037                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1038                                          "BSS_CHANGED_BEACON_ENABLED\n");
1039
1040                                 /*start hw beacon interrupt. */
1041                                 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1042                                 mac->beacon_enabled = 1;
1043                                 rtlpriv->cfg->ops->update_interrupt_mask(hw,
1044                                                 rtlpriv->cfg->maps
1045                                                 [RTL_IBSS_INT_MASKS], 0);
1046
1047                                 if (rtlpriv->cfg->ops->linked_set_reg)
1048                                         rtlpriv->cfg->ops->linked_set_reg(hw);
1049                                 send_beacon_frame(hw, vif);
1050                         }
1051                 }
1052                 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1053                     !bss_conf->enable_beacon)) {
1054                         if (mac->beacon_enabled == 1) {
1055                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1056                                          "ADHOC DISABLE BEACON\n");
1057
1058                                 mac->beacon_enabled = 0;
1059                                 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1060                                                 rtlpriv->cfg->maps
1061                                                 [RTL_IBSS_INT_MASKS]);
1062                         }
1063                 }
1064                 if (changed & BSS_CHANGED_BEACON_INT) {
1065                         RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
1066                                  "BSS_CHANGED_BEACON_INT\n");
1067                         mac->beacon_interval = bss_conf->beacon_int;
1068                         rtlpriv->cfg->ops->set_bcn_intv(hw);
1069                 }
1070         }
1071
1072         /*TODO: reference to enum ieee80211_bss_change */
1073         if (changed & BSS_CHANGED_ASSOC) {
1074                 u8 mstatus;
1075
1076                 if (bss_conf->assoc) {
1077                         struct ieee80211_sta *sta = NULL;
1078                         u8 keep_alive = 10;
1079
1080                         mstatus = RT_MEDIA_CONNECT;
1081                         /* we should reset all sec info & cam
1082                          * before set cam after linked, we should not
1083                          * reset in disassoc, that will cause tkip->wep
1084                          * fail because some flag will be wrong */
1085                         /* reset sec info */
1086                         rtl_cam_reset_sec_info(hw);
1087                         /* reset cam to fix wep fail issue
1088                          * when change from wpa to wep */
1089                         rtl_cam_reset_all_entry(hw);
1090
1091                         mac->link_state = MAC80211_LINKED;
1092                         mac->cnt_after_linked = 0;
1093                         mac->assoc_id = bss_conf->aid;
1094                         memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1095
1096                         if (rtlpriv->cfg->ops->linked_set_reg)
1097                                 rtlpriv->cfg->ops->linked_set_reg(hw);
1098
1099                         rcu_read_lock();
1100                         sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1101                         if (!sta) {
1102                                 rcu_read_unlock();
1103                                 goto out;
1104                         }
1105                         RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1106                                  "send PS STATIC frame\n");
1107                         if (rtlpriv->dm.supp_phymode_switch) {
1108                                 if (sta->ht_cap.ht_supported)
1109                                         rtl_send_smps_action(hw, sta,
1110                                                         IEEE80211_SMPS_STATIC);
1111                         }
1112
1113                         if (rtlhal->current_bandtype == BAND_ON_5G) {
1114                                 mac->mode = WIRELESS_MODE_A;
1115                         } else {
1116                                 if (sta->supp_rates[0] <= 0xf)
1117                                         mac->mode = WIRELESS_MODE_B;
1118                                 else
1119                                         mac->mode = WIRELESS_MODE_G;
1120                         }
1121
1122                         if (sta->ht_cap.ht_supported) {
1123                                 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1124                                         mac->mode = WIRELESS_MODE_N_24G;
1125                                 else
1126                                         mac->mode = WIRELESS_MODE_N_5G;
1127                         }
1128
1129                         if (sta->vht_cap.vht_supported) {
1130                                 if (rtlhal->current_bandtype == BAND_ON_5G)
1131                                         mac->mode = WIRELESS_MODE_AC_5G;
1132                                 else
1133                                         mac->mode = WIRELESS_MODE_AC_24G;
1134                         }
1135
1136                         if (vif->type == NL80211_IFTYPE_STATION)
1137                                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0,
1138                                                                    true);
1139                         rcu_read_unlock();
1140
1141                         /* to avoid AP Disassociation caused by inactivity */
1142                         rtlpriv->cfg->ops->set_hw_reg(hw,
1143                                                       HW_VAR_KEEP_ALIVE,
1144                                                       (u8 *)(&keep_alive));
1145
1146                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1147                                  "BSS_CHANGED_ASSOC\n");
1148                 } else {
1149                         struct cfg80211_bss *bss = NULL;
1150
1151                         mstatus = RT_MEDIA_DISCONNECT;
1152
1153                         if (mac->link_state == MAC80211_LINKED)
1154                                 rtl_lps_leave(hw);
1155                         if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1156                                 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1157                         mac->link_state = MAC80211_NOLINK;
1158
1159                         bss = cfg80211_get_bss(hw->wiphy, NULL,
1160                                                (u8 *)mac->bssid, NULL, 0,
1161                                                IEEE80211_BSS_TYPE_ESS,
1162                                                IEEE80211_PRIVACY_OFF);
1163
1164                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1165                                  "bssid = %pMF\n", mac->bssid);
1166
1167                         if (bss) {
1168                                 cfg80211_unlink_bss(hw->wiphy, bss);
1169                                 cfg80211_put_bss(hw->wiphy, bss);
1170                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1171                                          "cfg80211_unlink !!\n");
1172                         }
1173
1174                         eth_zero_addr(mac->bssid);
1175                         mac->vendor = PEER_UNKNOWN;
1176                         mac->mode = 0;
1177
1178                         if (rtlpriv->dm.supp_phymode_switch) {
1179                                 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1180                                         rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1181                         }
1182                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1183                                  "BSS_CHANGED_UN_ASSOC\n");
1184                 }
1185                 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1186                 /* For FW LPS:
1187                  * To tell firmware we have connected or disconnected
1188                  */
1189                 rtlpriv->cfg->ops->set_hw_reg(hw,
1190                                               HW_VAR_H2C_FW_JOINBSSRPT,
1191                                               (u8 *)(&mstatus));
1192                 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1193                                       true : false;
1194
1195                 if (rtlpriv->cfg->ops->get_btc_status())
1196                         rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1197                                                         rtlpriv, mstatus);
1198         }
1199
1200         if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1201                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1202                          "BSS_CHANGED_ERP_CTS_PROT\n");
1203                 mac->use_cts_protect = bss_conf->use_cts_prot;
1204         }
1205
1206         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1207                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
1208                          "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1209                           bss_conf->use_short_preamble);
1210
1211                 mac->short_preamble = bss_conf->use_short_preamble;
1212                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1213                                               (u8 *)(&mac->short_preamble));
1214         }
1215
1216         if (changed & BSS_CHANGED_ERP_SLOT) {
1217                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1218                          "BSS_CHANGED_ERP_SLOT\n");
1219
1220                 if (bss_conf->use_short_slot)
1221                         mac->slot_time = RTL_SLOT_TIME_9;
1222                 else
1223                         mac->slot_time = RTL_SLOT_TIME_20;
1224
1225                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1226                                               (u8 *)(&mac->slot_time));
1227         }
1228
1229         if (changed & BSS_CHANGED_HT) {
1230                 struct ieee80211_sta *sta = NULL;
1231
1232                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1233                          "BSS_CHANGED_HT\n");
1234
1235                 rcu_read_lock();
1236                 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1237                 if (sta) {
1238                         if (sta->ht_cap.ampdu_density >
1239                             mac->current_ampdu_density)
1240                                 mac->current_ampdu_density =
1241                                     sta->ht_cap.ampdu_density;
1242                         if (sta->ht_cap.ampdu_factor <
1243                             mac->current_ampdu_factor)
1244                                 mac->current_ampdu_factor =
1245                                     sta->ht_cap.ampdu_factor;
1246                 }
1247                 rcu_read_unlock();
1248
1249                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1250                                               (u8 *)(&mac->max_mss_density));
1251                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1252                                               &mac->current_ampdu_factor);
1253                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1254                                               &mac->current_ampdu_density);
1255         }
1256
1257         if (changed & BSS_CHANGED_BSSID) {
1258                 u32 basic_rates;
1259                 struct ieee80211_sta *sta = NULL;
1260
1261                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1262                                               (u8 *)bss_conf->bssid);
1263
1264                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1265                          "bssid: %pM\n", bss_conf->bssid);
1266
1267                 mac->vendor = PEER_UNKNOWN;
1268                 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1269
1270                 rcu_read_lock();
1271                 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1272                 if (!sta) {
1273                         rcu_read_unlock();
1274                         goto out;
1275                 }
1276
1277                 if (rtlhal->current_bandtype == BAND_ON_5G) {
1278                         mac->mode = WIRELESS_MODE_A;
1279                 } else {
1280                         if (sta->supp_rates[0] <= 0xf)
1281                                 mac->mode = WIRELESS_MODE_B;
1282                         else
1283                                 mac->mode = WIRELESS_MODE_G;
1284                 }
1285
1286                 if (sta->ht_cap.ht_supported) {
1287                         if (rtlhal->current_bandtype == BAND_ON_2_4G)
1288                                 mac->mode = WIRELESS_MODE_N_24G;
1289                         else
1290                                 mac->mode = WIRELESS_MODE_N_5G;
1291                 }
1292
1293                 if (sta->vht_cap.vht_supported) {
1294                         if (rtlhal->current_bandtype == BAND_ON_5G)
1295                                 mac->mode = WIRELESS_MODE_AC_5G;
1296                         else
1297                                 mac->mode = WIRELESS_MODE_AC_24G;
1298                 }
1299
1300                 /* just station need it, because ibss & ap mode will
1301                  * set in sta_add, and will be NULL here */
1302                 if (vif->type == NL80211_IFTYPE_STATION) {
1303                         struct rtl_sta_info *sta_entry;
1304
1305                         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1306                         sta_entry->wireless_mode = mac->mode;
1307                 }
1308
1309                 if (sta->ht_cap.ht_supported) {
1310                         mac->ht_enable = true;
1311
1312                         /*
1313                          * for cisco 1252 bw20 it's wrong
1314                          * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1315                          *      mac->bw_40 = true;
1316                          * }
1317                          * */
1318                 }
1319
1320                 if (sta->vht_cap.vht_supported)
1321                         mac->vht_enable = true;
1322
1323                 if (changed & BSS_CHANGED_BASIC_RATES) {
1324                         /* for 5G must << RATE_6M_INDEX = 4,
1325                          * because 5G have no cck rate*/
1326                         if (rtlhal->current_bandtype == BAND_ON_5G)
1327                                 basic_rates = sta->supp_rates[1] << 4;
1328                         else
1329                                 basic_rates = sta->supp_rates[0];
1330
1331                         mac->basic_rates = basic_rates;
1332                         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1333                                         (u8 *)(&basic_rates));
1334                 }
1335                 rcu_read_unlock();
1336         }
1337 out:
1338         mutex_unlock(&rtlpriv->locks.conf_mutex);
1339 }
1340
1341 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1342 {
1343         struct rtl_priv *rtlpriv = rtl_priv(hw);
1344         u64 tsf;
1345
1346         rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1347         return tsf;
1348 }
1349
1350 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1351                            struct ieee80211_vif *vif, u64 tsf)
1352 {
1353         struct rtl_priv *rtlpriv = rtl_priv(hw);
1354         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1355         u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1356
1357         mac->tsf = tsf;
1358         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1359 }
1360
1361 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1362 {
1363         struct rtl_priv *rtlpriv = rtl_priv(hw);
1364         u8 tmp = 0;
1365
1366         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1367 }
1368
1369 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1370                               struct ieee80211_vif *vif,
1371                               enum sta_notify_cmd cmd,
1372                               struct ieee80211_sta *sta)
1373 {
1374         switch (cmd) {
1375         case STA_NOTIFY_SLEEP:
1376                 break;
1377         case STA_NOTIFY_AWAKE:
1378                 break;
1379         default:
1380                 break;
1381         }
1382 }
1383
1384 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1385                                struct ieee80211_vif *vif,
1386                                struct ieee80211_ampdu_params *params)
1387 {
1388         struct rtl_priv *rtlpriv = rtl_priv(hw);
1389         struct ieee80211_sta *sta = params->sta;
1390         enum ieee80211_ampdu_mlme_action action = params->action;
1391         u16 tid = params->tid;
1392         u16 *ssn = &params->ssn;
1393
1394         switch (action) {
1395         case IEEE80211_AMPDU_TX_START:
1396                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1397                          "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1398                 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1399         case IEEE80211_AMPDU_TX_STOP_CONT:
1400         case IEEE80211_AMPDU_TX_STOP_FLUSH:
1401         case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1402                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1403                          "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1404                 return rtl_tx_agg_stop(hw, vif, sta, tid);
1405         case IEEE80211_AMPDU_TX_OPERATIONAL:
1406                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1407                          "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1408                 rtl_tx_agg_oper(hw, sta, tid);
1409                 break;
1410         case IEEE80211_AMPDU_RX_START:
1411                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1412                          "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1413                 return rtl_rx_agg_start(hw, sta, tid);
1414         case IEEE80211_AMPDU_RX_STOP:
1415                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1416                          "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1417                 return rtl_rx_agg_stop(hw, sta, tid);
1418         default:
1419                 pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
1420                 return -EOPNOTSUPP;
1421         }
1422         return 0;
1423 }
1424
1425 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1426                                  struct ieee80211_vif *vif,
1427                                  const u8 *mac_addr)
1428 {
1429         struct rtl_priv *rtlpriv = rtl_priv(hw);
1430         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1431
1432         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1433         mac->act_scanning = true;
1434         if (rtlpriv->link_info.higher_busytraffic) {
1435                 mac->skip_scan = true;
1436                 return;
1437         }
1438
1439         if (rtlpriv->cfg->ops->get_btc_status())
1440                 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1441         else if (rtlpriv->btcoexist.btc_ops)
1442                 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1443                                                                       1);
1444
1445         if (rtlpriv->dm.supp_phymode_switch) {
1446                 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1447                         rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1448         }
1449
1450         if (mac->link_state == MAC80211_LINKED) {
1451                 rtl_lps_leave(hw);
1452                 mac->link_state = MAC80211_LINKED_SCANNING;
1453         } else {
1454                 rtl_ips_nic_on(hw);
1455         }
1456
1457         /* Dul mac */
1458         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1459
1460         rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1461         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1462 }
1463
1464 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1465                                     struct ieee80211_vif *vif)
1466 {
1467         struct rtl_priv *rtlpriv = rtl_priv(hw);
1468         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1469
1470         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1471         mac->act_scanning = false;
1472         mac->skip_scan = false;
1473
1474         rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1475
1476         if (rtlpriv->link_info.higher_busytraffic)
1477                 return;
1478
1479         /* p2p will use 1/6/11 to scan */
1480         if (mac->n_channels == 3)
1481                 mac->p2p_in_use = true;
1482         else
1483                 mac->p2p_in_use = false;
1484         mac->n_channels = 0;
1485         /* Dul mac */
1486         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1487
1488         if (mac->link_state == MAC80211_LINKED_SCANNING) {
1489                 mac->link_state = MAC80211_LINKED;
1490                 if (mac->opmode == NL80211_IFTYPE_STATION) {
1491                         /* fix fwlps issue */
1492                         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1493                 }
1494         }
1495
1496         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1497         if (rtlpriv->cfg->ops->get_btc_status())
1498                 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1499         else if (rtlpriv->btcoexist.btc_ops)
1500                 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1501                                                                       0);
1502 }
1503
1504 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1505                           struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1506                           struct ieee80211_key_conf *key)
1507 {
1508         struct rtl_priv *rtlpriv = rtl_priv(hw);
1509         u8 key_type = NO_ENCRYPTION;
1510         u8 key_idx;
1511         bool group_key = false;
1512         bool wep_only = false;
1513         int err = 0;
1514         u8 mac_addr[ETH_ALEN];
1515         u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1516
1517         rtlpriv->btcoexist.btc_info.in_4way = false;
1518
1519         if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1520                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1521                          "not open hw encryption\n");
1522                 return -ENOSPC; /*User disabled HW-crypto */
1523         }
1524         /* To support IBSS, use sw-crypto for GTK */
1525         if ((vif->type == NL80211_IFTYPE_ADHOC ||
1526              vif->type == NL80211_IFTYPE_MESH_POINT) &&
1527             !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1528                 return -ENOSPC;
1529         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1530                  "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1531                   cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1532                   sta ? sta->addr : bcast_addr);
1533         rtlpriv->sec.being_setkey = true;
1534         rtl_ips_nic_on(hw);
1535         mutex_lock(&rtlpriv->locks.conf_mutex);
1536         /* <1> get encryption alg */
1537
1538         switch (key->cipher) {
1539         case WLAN_CIPHER_SUITE_WEP40:
1540                 key_type = WEP40_ENCRYPTION;
1541                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1542                 break;
1543         case WLAN_CIPHER_SUITE_WEP104:
1544                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1545                 key_type = WEP104_ENCRYPTION;
1546                 break;
1547         case WLAN_CIPHER_SUITE_TKIP:
1548                 key_type = TKIP_ENCRYPTION;
1549                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1550                 break;
1551         case WLAN_CIPHER_SUITE_CCMP:
1552                 key_type = AESCCMP_ENCRYPTION;
1553                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1554                 break;
1555         case WLAN_CIPHER_SUITE_AES_CMAC:
1556                 /* HW don't support CMAC encryption,
1557                  * use software CMAC encryption
1558                  */
1559                 key_type = AESCMAC_ENCRYPTION;
1560                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1561                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1562                          "HW don't support CMAC encryption, use software CMAC encryption\n");
1563                 err = -EOPNOTSUPP;
1564                 goto out_unlock;
1565         default:
1566                 pr_err("alg_err:%x!!!!:\n", key->cipher);
1567                 goto out_unlock;
1568         }
1569         if (key_type == WEP40_ENCRYPTION ||
1570            key_type == WEP104_ENCRYPTION ||
1571            vif->type == NL80211_IFTYPE_ADHOC)
1572                 rtlpriv->sec.use_defaultkey = true;
1573
1574         /* <2> get key_idx */
1575         key_idx = (u8) (key->keyidx);
1576         if (key_idx > 3)
1577                 goto out_unlock;
1578         /* <3> if pairwise key enable_hw_sec */
1579         group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1580
1581         /* wep always be group key, but there are two conditions:
1582          * 1) wep only: is just for wep enc, in this condition
1583          * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1584          * will be true & enable_hw_sec will be set when wep
1585          * ke setting.
1586          * 2) wep(group) + AES(pairwise): some AP like cisco
1587          * may use it, in this condition enable_hw_sec will not
1588          * be set when wep key setting */
1589         /* we must reset sec_info after lingked before set key,
1590          * or some flag will be wrong*/
1591         if (vif->type == NL80211_IFTYPE_AP ||
1592                 vif->type == NL80211_IFTYPE_MESH_POINT) {
1593                 if (!group_key || key_type == WEP40_ENCRYPTION ||
1594                         key_type == WEP104_ENCRYPTION) {
1595                         if (group_key)
1596                                 wep_only = true;
1597                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1598                 }
1599         } else {
1600                 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC ||
1601                     rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1602                         if (rtlpriv->sec.pairwise_enc_algorithm ==
1603                             NO_ENCRYPTION &&
1604                            (key_type == WEP40_ENCRYPTION ||
1605                             key_type == WEP104_ENCRYPTION))
1606                                 wep_only = true;
1607                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1608                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1609                                  "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1610                                  key_type);
1611                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1612                 }
1613         }
1614         /* <4> set key based on cmd */
1615         switch (cmd) {
1616         case SET_KEY:
1617                 if (wep_only) {
1618                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1619                                  "set WEP(group/pairwise) key\n");
1620                         /* Pairwise key with an assigned MAC address. */
1621                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1622                         rtlpriv->sec.group_enc_algorithm = key_type;
1623                         /*set local buf about wep key. */
1624                         memcpy(rtlpriv->sec.key_buf[key_idx],
1625                                key->key, key->keylen);
1626                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1627                         eth_zero_addr(mac_addr);
1628                 } else if (group_key) { /* group key */
1629                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1630                                  "set group key\n");
1631                         /* group key */
1632                         rtlpriv->sec.group_enc_algorithm = key_type;
1633                         /*set local buf about group key. */
1634                         memcpy(rtlpriv->sec.key_buf[key_idx],
1635                                key->key, key->keylen);
1636                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1637                         memcpy(mac_addr, bcast_addr, ETH_ALEN);
1638                 } else {        /* pairwise key */
1639                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1640                                  "set pairwise key\n");
1641                         if (!sta) {
1642                                 WARN_ONCE(true,
1643                                           "rtlwifi: pairwise key without mac_addr\n");
1644
1645                                 err = -EOPNOTSUPP;
1646                                 goto out_unlock;
1647                         }
1648                         /* Pairwise key with an assigned MAC address. */
1649                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1650                         /*set local buf about pairwise key. */
1651                         memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1652                                key->key, key->keylen);
1653                         rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1654                         rtlpriv->sec.pairwise_key =
1655                             rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1656                         memcpy(mac_addr, sta->addr, ETH_ALEN);
1657                 }
1658                 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1659                                            group_key, key_type, wep_only,
1660                                            false);
1661                 /* <5> tell mac80211 do something: */
1662                 /*must use sw generate IV, or can not work !!!!. */
1663                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1664                 key->hw_key_idx = key_idx;
1665                 if (key_type == TKIP_ENCRYPTION)
1666                         key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1667                 /*use software CCMP encryption for management frames (MFP) */
1668                 if (key_type == AESCCMP_ENCRYPTION)
1669                         key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1670                 break;
1671         case DISABLE_KEY:
1672                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1673                          "disable key delete one entry\n");
1674                 /*set local buf about wep key. */
1675                 if (vif->type == NL80211_IFTYPE_AP ||
1676                         vif->type == NL80211_IFTYPE_MESH_POINT) {
1677                         if (sta)
1678                                 rtl_cam_del_entry(hw, sta->addr);
1679                 }
1680                 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1681                 rtlpriv->sec.key_len[key_idx] = 0;
1682                 eth_zero_addr(mac_addr);
1683                 /*
1684                  *mac80211 will delete entrys one by one,
1685                  *so don't use rtl_cam_reset_all_entry
1686                  *or clear all entry here.
1687                  */
1688                 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */
1689
1690                 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1691                 break;
1692         default:
1693                 pr_err("cmd_err:%x!!!!:\n", cmd);
1694         }
1695 out_unlock:
1696         mutex_unlock(&rtlpriv->locks.conf_mutex);
1697         rtlpriv->sec.being_setkey = false;
1698         return err;
1699 }
1700
1701 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1702 {
1703         struct rtl_priv *rtlpriv = rtl_priv(hw);
1704
1705         bool radio_state;
1706         bool blocked;
1707         u8 valid = 0;
1708
1709         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1710                 return;
1711
1712         mutex_lock(&rtlpriv->locks.conf_mutex);
1713
1714         /*if Radio On return true here */
1715         radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1716
1717         if (valid) {
1718                 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1719                         rtlpriv->rfkill.rfkill_state = radio_state;
1720
1721                         RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1722                                  "wireless radio switch turned %s\n",
1723                                   radio_state ? "on" : "off");
1724
1725                         blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1726                         wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1727                 }
1728         }
1729
1730         mutex_unlock(&rtlpriv->locks.conf_mutex);
1731 }
1732
1733 /* this function is called by mac80211 to flush tx buffer
1734  * before switch channle or power save, or tx buffer packet
1735  * maybe send after offchannel or rf sleep, this may cause
1736  * dis-association by AP */
1737 static void rtl_op_flush(struct ieee80211_hw *hw,
1738                          struct ieee80211_vif *vif,
1739                          u32 queues,
1740                          bool drop)
1741 {
1742         struct rtl_priv *rtlpriv = rtl_priv(hw);
1743
1744         if (rtlpriv->intf_ops->flush)
1745                 rtlpriv->intf_ops->flush(hw, queues, drop);
1746 }
1747
1748 /*      Description:
1749  *              This routine deals with the Power Configuration CMD
1750  *               parsing for RTL8723/RTL8188E Series IC.
1751  *      Assumption:
1752  *              We should follow specific format that was released from HW SD.
1753  */
1754 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1755                               u8 faversion, u8 interface_type,
1756                               struct wlan_pwr_cfg pwrcfgcmd[])
1757 {
1758         struct wlan_pwr_cfg cfg_cmd;
1759         bool polling_bit = false;
1760         u32 ary_idx = 0;
1761         u8 value = 0;
1762         u32 offset = 0;
1763         u32 polling_count = 0;
1764         u32 max_polling_cnt = 5000;
1765
1766         do {
1767                 cfg_cmd = pwrcfgcmd[ary_idx];
1768                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1769                          "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1770                          GET_PWR_CFG_OFFSET(cfg_cmd),
1771                                             GET_PWR_CFG_CUT_MASK(cfg_cmd),
1772                          GET_PWR_CFG_FAB_MASK(cfg_cmd),
1773                                               GET_PWR_CFG_INTF_MASK(cfg_cmd),
1774                          GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1775                          GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1776
1777                 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1778                     (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1779                     (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1780                         switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1781                         case PWR_CMD_READ:
1782                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1783                                         "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1784                                 break;
1785                         case PWR_CMD_WRITE:
1786                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1787                                          "%s(): PWR_CMD_WRITE\n", __func__);
1788                                 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1789
1790                                 /*Read the value from system register*/
1791                                 value = rtl_read_byte(rtlpriv, offset);
1792                                 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1793                                 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1794                                           GET_PWR_CFG_MASK(cfg_cmd));
1795
1796                                 /*Write the value back to sytem register*/
1797                                 rtl_write_byte(rtlpriv, offset, value);
1798                                 break;
1799                         case PWR_CMD_POLLING:
1800                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1801                                         "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1802                                 polling_bit = false;
1803                                 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1804
1805                                 do {
1806                                         value = rtl_read_byte(rtlpriv, offset);
1807
1808                                         value &= GET_PWR_CFG_MASK(cfg_cmd);
1809                                         if (value ==
1810                                             (GET_PWR_CFG_VALUE(cfg_cmd) &
1811                                              GET_PWR_CFG_MASK(cfg_cmd)))
1812                                                 polling_bit = true;
1813                                         else
1814                                                 udelay(10);
1815
1816                                         if (polling_count++ > max_polling_cnt)
1817                                                 return false;
1818                                 } while (!polling_bit);
1819                                 break;
1820                         case PWR_CMD_DELAY:
1821                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1822                                          "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n");
1823                                 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1824                                     PWRSEQ_DELAY_US)
1825                                         udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1826                                 else
1827                                         mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1828                                 break;
1829                         case PWR_CMD_END:
1830                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1831                                          "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n");
1832                                 return true;
1833                         default:
1834                                 WARN_ONCE(true,
1835                                           "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1836                                 break;
1837                         }
1838                 }
1839                 ary_idx++;
1840         } while (1);
1841
1842         return true;
1843 }
1844 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1845
1846 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1847 {
1848         struct rtl_priv *rtlpriv = rtl_priv(hw);
1849         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1850         struct rtl8192_tx_ring *ring;
1851         struct rtl_tx_desc *pdesc;
1852         unsigned long flags;
1853         struct sk_buff *pskb = NULL;
1854
1855         ring = &rtlpci->tx_ring[BEACON_QUEUE];
1856
1857         spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1858         pskb = __skb_dequeue(&ring->queue);
1859         if (pskb)
1860                 dev_kfree_skb_irq(pskb);
1861
1862         /*this is wrong, fill_tx_cmddesc needs update*/
1863         pdesc = &ring->desc[0];
1864
1865         rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1866
1867         __skb_queue_tail(&ring->queue, skb);
1868
1869         spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1870
1871         rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1872
1873         return true;
1874 }
1875 EXPORT_SYMBOL(rtl_cmd_send_packet);
1876 const struct ieee80211_ops rtl_ops = {
1877         .start = rtl_op_start,
1878         .stop = rtl_op_stop,
1879         .tx = rtl_op_tx,
1880         .add_interface = rtl_op_add_interface,
1881         .remove_interface = rtl_op_remove_interface,
1882         .change_interface = rtl_op_change_interface,
1883 #ifdef CONFIG_PM
1884         .suspend = rtl_op_suspend,
1885         .resume = rtl_op_resume,
1886 #endif
1887         .config = rtl_op_config,
1888         .configure_filter = rtl_op_configure_filter,
1889         .set_key = rtl_op_set_key,
1890         .conf_tx = rtl_op_conf_tx,
1891         .bss_info_changed = rtl_op_bss_info_changed,
1892         .get_tsf = rtl_op_get_tsf,
1893         .set_tsf = rtl_op_set_tsf,
1894         .reset_tsf = rtl_op_reset_tsf,
1895         .sta_notify = rtl_op_sta_notify,
1896         .ampdu_action = rtl_op_ampdu_action,
1897         .sw_scan_start = rtl_op_sw_scan_start,
1898         .sw_scan_complete = rtl_op_sw_scan_complete,
1899         .rfkill_poll = rtl_op_rfkill_poll,
1900         .sta_add = rtl_op_sta_add,
1901         .sta_remove = rtl_op_sta_remove,
1902         .flush = rtl_op_flush,
1903 };
1904 EXPORT_SYMBOL_GPL(rtl_ops);
1905
1906 bool rtl_btc_status_false(void)
1907 {
1908         return false;
1909 }
1910 EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1911
1912 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1913 {
1914         struct rtl_priv *rtlpriv = rtl_priv(hw);
1915         struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1916
1917         dm_digtable->dig_enable_flag = true;
1918         dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1919         dm_digtable->cur_igvalue = cur_igvalue;
1920         dm_digtable->pre_igvalue = 0;
1921         dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1922         dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1923         dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1924         dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1925         dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1926         dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1927         dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1928         dm_digtable->rx_gain_max = DM_DIG_MAX;
1929         dm_digtable->rx_gain_min = DM_DIG_MIN;
1930         dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1931         dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1932         dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1933         dm_digtable->pre_cck_cca_thres = 0xff;
1934         dm_digtable->cur_cck_cca_thres = 0x83;
1935         dm_digtable->forbidden_igi = DM_DIG_MIN;
1936         dm_digtable->large_fa_hit = 0;
1937         dm_digtable->recover_cnt = 0;
1938         dm_digtable->dig_min_0 = 0x25;
1939         dm_digtable->dig_min_1 = 0x25;
1940         dm_digtable->media_connect_0 = false;
1941         dm_digtable->media_connect_1 = false;
1942         rtlpriv->dm.dm_initialgain_enable = true;
1943         dm_digtable->bt30_cur_igi = 0x32;
1944         dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1945         dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1946         dm_digtable->pre_cck_fa_state = 0;
1947         dm_digtable->cur_cck_fa_state = 0;
1948 }
1949 EXPORT_SYMBOL(rtl_dm_diginit);