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         rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
  80                 "Firmware callback routine entered!\n");
  81         if (!firmware) {
  82                 if (rtlpriv->cfg->alt_fw_name) {
  83                         err = request_firmware(&firmware,
  84                                                rtlpriv->cfg->alt_fw_name,
  85                                                rtlpriv->io.dev);
  86                         pr_info("Loading alternative firmware %s\n",
  87                                 rtlpriv->cfg->alt_fw_name);
  88                         if (!err)
  89                                 goto found_alt;
  90                 }
  91                 pr_err("Selected firmware is not available\n");
  92                 rtlpriv->max_fw_size = 0;
  93                 goto exit;
  94         }
  95 found_alt:
  96         if (firmware->size > rtlpriv->max_fw_size) {
  97                 pr_err("Firmware is too big!\n");
  98                 release_firmware(firmware);
  99                 goto exit;
 100         }
 101         if (!is_wow) {
 102                 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
 103                        firmware->size);
 104                 rtlpriv->rtlhal.fwsize = firmware->size;
 105         } else {
 106                 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
 107                        firmware->size);
 108                 rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
 109         }
 110         release_firmware(firmware);
 111
 112 exit:
 113         complete(&rtlpriv->firmware_loading_complete);
 114 }
 115
 116 void rtl_fw_cb(const struct firmware *firmware, void *context)
 117 {
 118         rtl_fw_do_work(firmware, context, false);
 119 }
 120 EXPORT_SYMBOL(rtl_fw_cb);
 121
 122 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
 123 {
 124         rtl_fw_do_work(firmware, context, true);
 125 }
 126 EXPORT_SYMBOL(rtl_wowlan_fw_cb);
 127
 128 /*mutex for start & stop is must here. */
 129 static int rtl_op_start(struct ieee80211_hw *hw)
 130 {
 131         int err = 0;
 132         struct rtl_priv *rtlpriv = rtl_priv(hw);
 133         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 134
 135         if (!is_hal_stop(rtlhal))
 136                 return 0;
 137         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 138                 return 0;
 139         mutex_lock(&rtlpriv->locks.conf_mutex);
 140         err = rtlpriv->intf_ops->adapter_start(hw);
 141         if (!err)
 142                 rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer);
 143         mutex_unlock(&rtlpriv->locks.conf_mutex);
 144         return err;
 145 }
 146
 147 static void rtl_op_stop(struct ieee80211_hw *hw, bool suspend)
 148 {
 149         struct rtl_priv *rtlpriv = rtl_priv(hw);
 150         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 151         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 152         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 153         bool support_remote_wakeup = false;
 154
 155         if (is_hal_stop(rtlhal))
 156                 return;
 157
 158         rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
 159                                       (u8 *)(&support_remote_wakeup));
 160         /* here is must, because adhoc do stop and start,
 161          * but stop with RFOFF may cause something wrong,
 162          * like adhoc TP
 163          */
 164         if (unlikely(ppsc->rfpwr_state == ERFOFF))
 165                 rtl_ips_nic_on(hw);
 166
 167         mutex_lock(&rtlpriv->locks.conf_mutex);
 168         /* if wowlan supported, DON'T clear connected info */
 169         if (!(support_remote_wakeup &&
 170               rtlhal->enter_pnp_sleep)) {
 171                 mac->link_state = MAC80211_NOLINK;
 172                 eth_zero_addr(mac->bssid);
 173                 mac->vendor = PEER_UNKNOWN;
 174
 175                 /* reset sec info */
 176                 rtl_cam_reset_sec_info(hw);
 177
 178                 rtl_deinit_deferred_work(hw, false);
 179         }
 180         rtlpriv->intf_ops->adapter_stop(hw);
 181
 182         mutex_unlock(&rtlpriv->locks.conf_mutex);
 183 }
 184
 185 static void rtl_op_tx(struct ieee80211_hw *hw,
 186                       struct ieee80211_tx_control *control,
 187                       struct sk_buff *skb)
 188 {
 189         struct rtl_priv *rtlpriv = rtl_priv(hw);
 190         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 191         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 192         struct rtl_tcb_desc tcb_desc;
 193
 194         memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 195
 196         if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
 197                 goto err_free;
 198
 199         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 200                 goto err_free;
 201
 202         if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
 203                 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
 204         return;
 205
 206 err_free:
 207         dev_kfree_skb_any(skb);
 208 }
 209
 210 static int rtl_op_add_interface(struct ieee80211_hw *hw,
 211                 struct ieee80211_vif *vif)
 212 {
 213         struct rtl_priv *rtlpriv = rtl_priv(hw);
 214         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 215         int err = 0;
 216         u8 retry_limit = 0x30;
 217
 218         if (mac->vif) {
 219                 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
 220                         "vif has been set!! mac->vif = 0x%p\n", mac->vif);
 221                 return -EOPNOTSUPP;
 222         }
 223
 224         vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
 225
 226         rtl_ips_nic_on(hw);
 227
 228         mutex_lock(&rtlpriv->locks.conf_mutex);
 229         switch (ieee80211_vif_type_p2p(vif)) {
 230         case NL80211_IFTYPE_P2P_CLIENT:
 231                 mac->p2p = P2P_ROLE_CLIENT;
 232                 fallthrough;
 233         case NL80211_IFTYPE_STATION:
 234                 if (mac->beacon_enabled == 1) {
 235                         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 236                                 "NL80211_IFTYPE_STATION\n");
 237                         mac->beacon_enabled = 0;
 238                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 239                                         rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 240                 }
 241                 break;
 242         case NL80211_IFTYPE_ADHOC:
 243                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 244                         "NL80211_IFTYPE_ADHOC\n");
 245
 246                 mac->link_state = MAC80211_LINKED;
 247                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 248                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 249                         mac->basic_rates = 0xfff;
 250                 else
 251                         mac->basic_rates = 0xff0;
 252                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 253                                 (u8 *)(&mac->basic_rates));
 254
 255                 retry_limit = 0x07;
 256                 break;
 257         case NL80211_IFTYPE_P2P_GO:
 258                 mac->p2p = P2P_ROLE_GO;
 259                 fallthrough;
 260         case NL80211_IFTYPE_AP:
 261                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 262                         "NL80211_IFTYPE_AP\n");
 263
 264                 mac->link_state = MAC80211_LINKED;
 265                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 266                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 267                         mac->basic_rates = 0xfff;
 268                 else
 269                         mac->basic_rates = 0xff0;
 270                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 271                                               (u8 *)(&mac->basic_rates));
 272
 273                 retry_limit = 0x07;
 274                 break;
 275         case NL80211_IFTYPE_MESH_POINT:
 276                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 277                         "NL80211_IFTYPE_MESH_POINT\n");
 278
 279                 mac->link_state = MAC80211_LINKED;
 280                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 281                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 282                         mac->basic_rates = 0xfff;
 283                 else
 284                         mac->basic_rates = 0xff0;
 285                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 286                                 (u8 *)(&mac->basic_rates));
 287
 288                 retry_limit = 0x07;
 289                 break;
 290         default:
 291                 pr_err("operation mode %d is not supported!\n",
 292                        vif->type);
 293                 err = -EOPNOTSUPP;
 294                 goto out;
 295         }
 296
 297         if (mac->p2p) {
 298                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 299                         "p2p role %x\n", vif->type);
 300                 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
 301                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 302                                 (u8 *)(&mac->basic_rates));
 303         }
 304         mac->vif = vif;
 305         mac->opmode = vif->type;
 306         rtlpriv->cfg->ops->set_network_type(hw, vif->type);
 307         memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
 308         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
 309
 310         mac->retry_long = retry_limit;
 311         mac->retry_short = retry_limit;
 312         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 313                         (u8 *)(&retry_limit));
 314 out:
 315         mutex_unlock(&rtlpriv->locks.conf_mutex);
 316         return err;
 317 }
 318
 319 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
 320                 struct ieee80211_vif *vif)
 321 {
 322         struct rtl_priv *rtlpriv = rtl_priv(hw);
 323         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 324
 325         mutex_lock(&rtlpriv->locks.conf_mutex);
 326
 327         /* Free beacon resources */
 328         if (vif->type == NL80211_IFTYPE_AP ||
 329             vif->type == NL80211_IFTYPE_ADHOC ||
 330             vif->type == NL80211_IFTYPE_MESH_POINT) {
 331                 if (mac->beacon_enabled == 1) {
 332                         mac->beacon_enabled = 0;
 333                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 334                                         rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 335                 }
 336         }
 337
 338         /*
 339          *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
 340          *NO LINK for our hardware.
 341          */
 342         mac->p2p = 0;
 343         mac->vif = NULL;
 344         mac->link_state = MAC80211_NOLINK;
 345         eth_zero_addr(mac->bssid);
 346         mac->vendor = PEER_UNKNOWN;
 347         mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
 348         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
 349
 350         mutex_unlock(&rtlpriv->locks.conf_mutex);
 351 }
 352
 353 static int rtl_op_change_interface(struct ieee80211_hw *hw,
 354                                    struct ieee80211_vif *vif,
 355                                    enum nl80211_iftype new_type, bool p2p)
 356 {
 357         struct rtl_priv *rtlpriv = rtl_priv(hw);
 358         int ret;
 359
 360         rtl_op_remove_interface(hw, vif);
 361
 362         vif->type = new_type;
 363         vif->p2p = p2p;
 364         ret = rtl_op_add_interface(hw, vif);
 365         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 366                 "p2p  %x\n", p2p);
 367         return ret;
 368 }
 369
 370 #ifdef CONFIG_PM
 371 static u16 crc16_ccitt(u8 data, u16 crc)
 372 {
 373         u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
 374         u8 i;
 375         u16 result;
 376
 377         for (i = 0; i < 8; i++) {
 378                 crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
 379                 data_bit  = (data & (BIT(0) << i) ? 1 : 0);
 380                 shift_in = crc_bit15 ^ data_bit;
 381
 382                 result = crc << 1;
 383                 if (shift_in == 0)
 384                         result &= (~BIT(0));
 385                 else
 386                         result |= BIT(0);
 387
 388                 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
 389                 if (crc_bit11 == 0)
 390                         result &= (~BIT(12));
 391                 else
 392                         result |= BIT(12);
 393
 394                 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
 395                 if (crc_bit4 == 0)
 396                         result &= (~BIT(5));
 397                 else
 398                         result |= BIT(5);
 399
 400                 crc = result;
 401         }
 402
 403         return crc;
 404 }
 405
 406 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
 407 {
 408         u16 crc = 0xffff;
 409         u32 i;
 410
 411         for (i = 0; i < len; i++)
 412                 crc = crc16_ccitt(pattern[i], crc);
 413
 414         crc = ~crc;
 415
 416         return crc;
 417 }
 418
 419 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
 420                                      struct cfg80211_wowlan *wow)
 421 {
 422         struct rtl_priv *rtlpriv = rtl_priv(hw);
 423         struct rtl_mac *mac = &rtlpriv->mac80211;
 424         struct cfg80211_pkt_pattern *patterns = wow->patterns;
 425         struct rtl_wow_pattern rtl_pattern;
 426         const u8 *pattern_os, *mask_os;
 427         u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
 428         u8 content[MAX_WOL_PATTERN_SIZE] = {0};
 429         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 430         u8 multicast_addr1[2] = {0x33, 0x33};
 431         u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
 432         u8 i, mask_len;
 433         u16 j, len;
 434
 435         for (i = 0; i < wow->n_patterns; i++) {
 436                 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
 437                 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
 438                 if (patterns[i].pattern_len < 0 ||
 439                     patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
 440                         rtl_dbg(rtlpriv, COMP_POWER, DBG_WARNING,
 441                                 "Pattern[%d] is too long\n", i);
 442                         continue;
 443                 }
 444                 pattern_os = patterns[i].pattern;
 445                 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
 446                 mask_os = patterns[i].mask;
 447                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 448                               "pattern content\n", pattern_os,
 449                                patterns[i].pattern_len);
 450                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 451                               "mask content\n", mask_os, mask_len);
 452                 /* 1. unicast? multicast? or broadcast? */
 453                 if (memcmp(pattern_os, broadcast_addr, 6) == 0)
 454                         rtl_pattern.type = BROADCAST_PATTERN;
 455                 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
 456                          memcmp(pattern_os, multicast_addr2, 3) == 0)
 457                         rtl_pattern.type = MULTICAST_PATTERN;
 458                 else if  (memcmp(pattern_os, mac->mac_addr, 6) == 0)
 459                         rtl_pattern.type = UNICAST_PATTERN;
 460                 else
 461                         rtl_pattern.type = UNKNOWN_TYPE;
 462
 463                 /* 2. translate mask_from_os to mask_for_hw */
 464
 465 /******************************************************************************
 466  * pattern from OS uses 'ethenet frame', like this:
 467
 468                    |    6   |    6   |   2  |     20    |  Variable  |  4  |
 469                    |--------+--------+------+-----------+------------+-----|
 470                    |    802.3 Mac Header    | IP Header | TCP Packet | FCS |
 471                    |   DA   |   SA   | Type |
 472
 473  * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
 474
 475         |     24 or 30      |    6   |   2  |     20    |  Variable  |  4  |
 476         |-------------------+--------+------+-----------+------------+-----|
 477         | 802.11 MAC Header |       LLC     | IP Header | TCP Packet | FCS |
 478                             | Others | Tpye |
 479
 480  * Therefore, we need translate mask_from_OS to mask_to_hw.
 481  * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
 482  * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
 483  * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
 484  ******************************************************************************/
 485
 486                 /* Shift 6 bits */
 487                 for (j = 0; j < mask_len - 1; j++) {
 488                         mask[j] = mask_os[j] >> 6;
 489                         mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
 490                 }
 491                 mask[j] = (mask_os[j] >> 6) & 0x3F;
 492                 /* Set bit 0-5 to zero */
 493                 mask[0] &= 0xC0;
 494
 495                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 496                               "mask to hw\n", mask, mask_len);
 497                 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
 498                         rtl_pattern.mask[j] = mask[j * 4];
 499                         rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
 500                         rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
 501                         rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
 502                 }
 503
 504                 /* To get the wake up pattern from the mask.
 505                  * We do not count first 12 bits which means
 506                  * DA[6] and SA[6] in the pattern to match HW design.
 507                  */
 508                 len = 0;
 509                 for (j = 12; j < patterns[i].pattern_len; j++) {
 510                         if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
 511                                 content[len] = pattern_os[j];
 512                                 len++;
 513                         }
 514                 }
 515
 516                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 517                               "pattern to hw\n", content, len);
 518                 /* 3. calculate crc */
 519                 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
 520                 rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
 521                         "CRC_Remainder = 0x%x\n", rtl_pattern.crc);
 522
 523                 /* 4. write crc & mask_for_hw to hw */
 524                 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
 525         }
 526         rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
 527 }
 528
 529 static int rtl_op_suspend(struct ieee80211_hw *hw,
 530                           struct cfg80211_wowlan *wow)
 531 {
 532         struct rtl_priv *rtlpriv = rtl_priv(hw);
 533         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 534         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 535
 536         rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 537         if (WARN_ON(!wow))
 538                 return -EINVAL;
 539
 540         /* to resolve s4 can not wake up*/
 541         rtlhal->last_suspend_sec = ktime_get_real_seconds();
 542
 543         if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
 544                 _rtl_add_wowlan_patterns(hw, wow);
 545
 546         rtlhal->driver_is_goingto_unload = true;
 547         rtlhal->enter_pnp_sleep = true;
 548
 549         rtl_lps_leave(hw, true);
 550         rtl_op_stop(hw, false);
 551         device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
 552         return 0;
 553 }
 554
 555 static int rtl_op_resume(struct ieee80211_hw *hw)
 556 {
 557         struct rtl_priv *rtlpriv = rtl_priv(hw);
 558         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 559         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 560         time64_t now;
 561
 562         rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 563         rtlhal->driver_is_goingto_unload = false;
 564         rtlhal->enter_pnp_sleep = false;
 565         rtlhal->wake_from_pnp_sleep = true;
 566
 567         /* to resolve s4 can not wake up*/
 568         now = ktime_get_real_seconds();
 569         if (now - rtlhal->last_suspend_sec < 5)
 570                 return -1;
 571
 572         rtl_op_start(hw);
 573         device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
 574         ieee80211_resume_disconnect(mac->vif);
 575         rtlhal->wake_from_pnp_sleep = false;
 576         return 0;
 577 }
 578 #endif
 579
 580 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
 581 {
 582         struct rtl_priv *rtlpriv = rtl_priv(hw);
 583         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 584         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 585         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 586         struct ieee80211_conf *conf = &hw->conf;
 587
 588         if (mac->skip_scan)
 589                 return 1;
 590
 591         mutex_lock(&rtlpriv->locks.conf_mutex);
 592         if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {  /* BIT(2)*/
 593                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 594                         "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
 595         }
 596
 597         /*For IPS */
 598         if (changed & IEEE80211_CONF_CHANGE_IDLE) {
 599                 if (hw->conf.flags & IEEE80211_CONF_IDLE)
 600                         rtl_ips_nic_off(hw);
 601                 else
 602                         rtl_ips_nic_on(hw);
 603         } else {
 604                 /*
 605                  *although rfoff may not cause by ips, but we will
 606                  *check the reason in set_rf_power_state function
 607                  */
 608                 if (unlikely(ppsc->rfpwr_state == ERFOFF))
 609                         rtl_ips_nic_on(hw);
 610         }
 611
 612         /*For LPS */
 613         if ((changed & IEEE80211_CONF_CHANGE_PS) &&
 614             rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) {
 615                 cancel_delayed_work(&rtlpriv->works.ps_work);
 616                 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 617                 if (conf->flags & IEEE80211_CONF_PS) {
 618                         rtlpriv->psc.sw_ps_enabled = true;
 619                         /* sleep here is must, or we may recv the beacon and
 620                          * cause mac80211 into wrong ps state, this will cause
 621                          * power save nullfunc send fail, and further cause
 622                          * pkt loss, So sleep must quickly but not immediatly
 623                          * because that will cause nullfunc send by mac80211
 624                          * fail, and cause pkt loss, we have tested that 5mA
 625                          * is worked very well */
 626                         if (!rtlpriv->psc.multi_buffered)
 627                                 queue_delayed_work(rtlpriv->works.rtl_wq,
 628                                                    &rtlpriv->works.ps_work,
 629                                                    MSECS(5));
 630                 } else {
 631                         rtl_swlps_rf_awake(hw);
 632                         rtlpriv->psc.sw_ps_enabled = false;
 633                 }
 634         }
 635
 636         if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
 637             !rtlpriv->proximity.proxim_on) {
 638                 struct ieee80211_channel *channel = hw->conf.chandef.chan;
 639                 enum nl80211_chan_width width = hw->conf.chandef.width;
 640                 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
 641                 u8 wide_chan = (u8) channel->hw_value;
 642
 643                 /* channel_type is for 20&40M */
 644                 if (width < NL80211_CHAN_WIDTH_80)
 645                         channel_type =
 646                                 cfg80211_get_chandef_type(&hw->conf.chandef);
 647                 if (mac->act_scanning)
 648                         mac->n_channels++;
 649
 650                 /*
 651                  *because we should back channel to
 652                  *current_network.chan in scanning,
 653                  *So if set_chan == current_network.chan
 654                  *we should set it.
 655                  *because mac80211 tell us wrong bw40
 656                  *info for cisco1253 bw20, so we modify
 657                  *it here based on UPPER & LOWER
 658                  */
 659
 660                 if (width >= NL80211_CHAN_WIDTH_80) {
 661                         if (width == NL80211_CHAN_WIDTH_80) {
 662                                 u32 center = hw->conf.chandef.center_freq1;
 663                                 u32 primary =
 664                                 (u32)hw->conf.chandef.chan->center_freq;
 665
 666                                 rtlphy->current_chan_bw =
 667                                         HT_CHANNEL_WIDTH_80;
 668                                 mac->bw_80 = true;
 669                                 mac->bw_40 = true;
 670                                 if (center > primary) {
 671                                         mac->cur_80_prime_sc =
 672                                         PRIME_CHNL_OFFSET_LOWER;
 673                                         if (center - primary == 10) {
 674                                                 mac->cur_40_prime_sc =
 675                                                 PRIME_CHNL_OFFSET_UPPER;
 676
 677                                                 wide_chan += 2;
 678                                         } else if (center - primary == 30) {
 679                                                 mac->cur_40_prime_sc =
 680                                                 PRIME_CHNL_OFFSET_LOWER;
 681
 682                                                 wide_chan += 6;
 683                                         }
 684                                 } else {
 685                                         mac->cur_80_prime_sc =
 686                                         PRIME_CHNL_OFFSET_UPPER;
 687                                         if (primary - center == 10) {
 688                                                 mac->cur_40_prime_sc =
 689                                                 PRIME_CHNL_OFFSET_LOWER;
 690
 691                                                 wide_chan -= 2;
 692                                         } else if (primary - center == 30) {
 693                                                 mac->cur_40_prime_sc =
 694                                                 PRIME_CHNL_OFFSET_UPPER;
 695
 696                                                 wide_chan -= 6;
 697                                         }
 698                                 }
 699                         }
 700                 } else {
 701                         switch (channel_type) {
 702                         case NL80211_CHAN_HT20:
 703                         case NL80211_CHAN_NO_HT:
 704                                         /* SC */
 705                                         mac->cur_40_prime_sc =
 706                                                 PRIME_CHNL_OFFSET_DONT_CARE;
 707                                         rtlphy->current_chan_bw =
 708                                                 HT_CHANNEL_WIDTH_20;
 709                                         mac->bw_40 = false;
 710                                         mac->bw_80 = false;
 711                                         break;
 712                         case NL80211_CHAN_HT40MINUS:
 713                                         /* SC */
 714                                         mac->cur_40_prime_sc =
 715                                                 PRIME_CHNL_OFFSET_UPPER;
 716                                         rtlphy->current_chan_bw =
 717                                                 HT_CHANNEL_WIDTH_20_40;
 718                                         mac->bw_40 = true;
 719                                         mac->bw_80 = false;
 720
 721                                         /*wide channel */
 722                                         wide_chan -= 2;
 723
 724                                         break;
 725                         case NL80211_CHAN_HT40PLUS:
 726                                         /* SC */
 727                                         mac->cur_40_prime_sc =
 728                                                 PRIME_CHNL_OFFSET_LOWER;
 729                                         rtlphy->current_chan_bw =
 730                                                 HT_CHANNEL_WIDTH_20_40;
 731                                         mac->bw_40 = true;
 732                                         mac->bw_80 = false;
 733
 734                                         /*wide channel */
 735                                         wide_chan += 2;
 736
 737                                         break;
 738                         default:
 739                                         mac->bw_40 = false;
 740                                         mac->bw_80 = false;
 741                                         pr_err("switch case %#x not processed\n",
 742                                                channel_type);
 743                                         break;
 744                         }
 745                 }
 746
 747                 if (wide_chan <= 0)
 748                         wide_chan = 1;
 749
 750                 /* In scanning, when before we offchannel we may send a ps=1
 751                  * null to AP, and then we may send a ps = 0 null to AP quickly,
 752                  * but first null may have caused AP to put lots of packet to
 753                  * hw tx buffer. These packets must be tx'd before we go off
 754                  * channel so we must delay more time to let AP flush these
 755                  * packets before going offchannel, or dis-association or
 756                  * delete BA will be caused by AP
 757                  */
 758                 if (rtlpriv->mac80211.offchan_delay) {
 759                         rtlpriv->mac80211.offchan_delay = false;
 760                         mdelay(50);
 761                 }
 762
 763                 rtlphy->current_channel = wide_chan;
 764
 765                 rtlpriv->cfg->ops->switch_channel(hw);
 766                 rtlpriv->cfg->ops->set_channel_access(hw);
 767                 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
 768         }
 769
 770         mutex_unlock(&rtlpriv->locks.conf_mutex);
 771
 772         return 0;
 773 }
 774
 775 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
 776                                     unsigned int changed_flags,
 777                                     unsigned int *new_flags, u64 multicast)
 778 {
 779         bool update_rcr = false;
 780         struct rtl_priv *rtlpriv = rtl_priv(hw);
 781         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 782
 783         *new_flags &= RTL_SUPPORTED_FILTERS;
 784         if (0 == changed_flags)
 785                 return;
 786
 787         /*TODO: we disable broadcast now, so enable here */
 788         if (changed_flags & FIF_ALLMULTI) {
 789                 if (*new_flags & FIF_ALLMULTI) {
 790                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
 791                             rtlpriv->cfg->maps[MAC_RCR_AB];
 792                         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 793                                 "Enable receive multicast frame\n");
 794                 } else {
 795                         mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
 796                                           rtlpriv->cfg->maps[MAC_RCR_AB]);
 797                         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 798                                 "Disable receive multicast frame\n");
 799                 }
 800                 update_rcr = true;
 801         }
 802
 803         if (changed_flags & FIF_FCSFAIL) {
 804                 if (*new_flags & FIF_FCSFAIL) {
 805                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 806                         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 807                                 "Enable receive FCS error frame\n");
 808                 } else {
 809                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 810                         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 811                                 "Disable receive FCS error frame\n");
 812                 }
 813                 if (!update_rcr)
 814                         update_rcr = true;
 815         }
 816
 817         /* if ssid not set to hw don't check bssid
 818          * here just used for linked scanning, & linked
 819          * and nolink check bssid is set in set network_type
 820          */
 821         if (changed_flags & FIF_BCN_PRBRESP_PROMISC &&
 822             mac->link_state >= MAC80211_LINKED) {
 823                 if (mac->opmode != NL80211_IFTYPE_AP &&
 824                     mac->opmode != NL80211_IFTYPE_MESH_POINT) {
 825                         if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
 826                                 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
 827                         else
 828                                 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
 829                         if (update_rcr)
 830                                 update_rcr = false;
 831                 }
 832         }
 833
 834         if (changed_flags & FIF_CONTROL) {
 835                 if (*new_flags & FIF_CONTROL) {
 836                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
 837
 838                         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 839                                 "Enable receive control frame.\n");
 840                 } else {
 841                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
 842                         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 843                                 "Disable receive control frame.\n");
 844                 }
 845                 if (!update_rcr)
 846                         update_rcr = true;
 847         }
 848
 849         if (changed_flags & FIF_OTHER_BSS) {
 850                 if (*new_flags & FIF_OTHER_BSS) {
 851                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
 852                         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 853                                 "Enable receive other BSS's frame.\n");
 854                 } else {
 855                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
 856                         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 857                                 "Disable receive other BSS's frame.\n");
 858                 }
 859                 if (!update_rcr)
 860                         update_rcr = true;
 861         }
 862
 863         if (update_rcr)
 864                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
 865                                               (u8 *)(&mac->rx_conf));
 866 }
 867
 868 static int rtl_op_sta_add(struct ieee80211_hw *hw,
 869                          struct ieee80211_vif *vif,
 870                          struct ieee80211_sta *sta)
 871 {
 872         struct rtl_priv *rtlpriv = rtl_priv(hw);
 873         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 874         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 875         struct rtl_sta_info *sta_entry;
 876
 877         if (sta) {
 878                 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 879                 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 880                 list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
 881                 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 882                 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 883                         sta_entry->wireless_mode = WIRELESS_MODE_G;
 884                         if (sta->deflink.supp_rates[0] <= 0xf)
 885                                 sta_entry->wireless_mode = WIRELESS_MODE_B;
 886                         if (sta->deflink.ht_cap.ht_supported)
 887                                 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
 888
 889                         if (vif->type == NL80211_IFTYPE_ADHOC)
 890                                 sta_entry->wireless_mode = WIRELESS_MODE_G;
 891                 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
 892                         sta_entry->wireless_mode = WIRELESS_MODE_A;
 893                         if (sta->deflink.ht_cap.ht_supported)
 894                                 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
 895                         if (sta->deflink.vht_cap.vht_supported)
 896                                 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
 897
 898                         if (vif->type == NL80211_IFTYPE_ADHOC)
 899                                 sta_entry->wireless_mode = WIRELESS_MODE_A;
 900                 }
 901                 /*disable cck rate for p2p*/
 902                 if (mac->p2p)
 903                         sta->deflink.supp_rates[0] &= 0xfffffff0;
 904
 905                 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
 906                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
 907                         "Add sta addr is %pM\n", sta->addr);
 908                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true);
 909         }
 910
 911         return 0;
 912 }
 913
 914 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
 915                                 struct ieee80211_vif *vif,
 916                                 struct ieee80211_sta *sta)
 917 {
 918         struct rtl_priv *rtlpriv = rtl_priv(hw);
 919         struct rtl_sta_info *sta_entry;
 920
 921         if (sta) {
 922                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
 923                         "Remove sta addr is %pM\n", sta->addr);
 924                 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 925                 sta_entry->wireless_mode = 0;
 926                 sta_entry->ratr_index = 0;
 927                 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 928                 list_del(&sta_entry->list);
 929                 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 930         }
 931         return 0;
 932 }
 933
 934 static int _rtl_get_hal_qnum(u16 queue)
 935 {
 936         int qnum;
 937
 938         switch (queue) {
 939         case 0:
 940                 qnum = AC3_VO;
 941                 break;
 942         case 1:
 943                 qnum = AC2_VI;
 944                 break;
 945         case 2:
 946                 qnum = AC0_BE;
 947                 break;
 948         case 3:
 949                 qnum = AC1_BK;
 950                 break;
 951         default:
 952                 qnum = AC0_BE;
 953                 break;
 954         }
 955         return qnum;
 956 }
 957
 958 /*
 959  *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
 960  *for rtl819x  BE = 0, BK = 1, VI = 2, VO = 3
 961  */
 962 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
 963                           struct ieee80211_vif *vif,
 964                           unsigned int link_id, u16 queue,
 965                           const struct ieee80211_tx_queue_params *param)
 966 {
 967         struct rtl_priv *rtlpriv = rtl_priv(hw);
 968         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 969         int aci;
 970
 971         if (queue >= AC_MAX) {
 972                 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
 973                         "queue number %d is incorrect!\n", queue);
 974                 return -EINVAL;
 975         }
 976
 977         aci = _rtl_get_hal_qnum(queue);
 978         mac->ac[aci].aifs = param->aifs;
 979         mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
 980         mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
 981         mac->ac[aci].tx_op = cpu_to_le16(param->txop);
 982         memcpy(&mac->edca_param[aci], param, sizeof(*param));
 983         rtlpriv->cfg->ops->set_qos(hw, aci);
 984         return 0;
 985 }
 986
 987 static void send_beacon_frame(struct ieee80211_hw *hw,
 988                               struct ieee80211_vif *vif)
 989 {
 990         struct rtl_priv *rtlpriv = rtl_priv(hw);
 991         struct sk_buff *skb = ieee80211_beacon_get(hw, vif, 0);
 992         struct rtl_tcb_desc tcb_desc;
 993
 994         if (skb) {
 995                 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 996                 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
 997         }
 998 }
 999
1000 void rtl_update_beacon_work_callback(struct work_struct *work)
1001 {
1002         struct rtl_works *rtlworks =
1003             container_of(work, struct rtl_works, update_beacon_work);
1004         struct ieee80211_hw *hw = rtlworks->hw;
1005         struct rtl_priv *rtlpriv = rtl_priv(hw);
1006         struct ieee80211_vif *vif = rtlpriv->mac80211.vif;
1007
1008         if (!vif) {
1009                 WARN_ONCE(true, "no vif to update beacon\n");
1010                 return;
1011         }
1012
1013         mutex_lock(&rtlpriv->locks.conf_mutex);
1014         send_beacon_frame(hw, vif);
1015         mutex_unlock(&rtlpriv->locks.conf_mutex);
1016 }
1017 EXPORT_SYMBOL_GPL(rtl_update_beacon_work_callback);
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                                     u64 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                                 rtl_dbg(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                                 rtl_dbg(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                         rtl_dbg(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 (vif->cfg.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 = vif->cfg.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                         rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1106                                 "send PS STATIC frame\n");
1107                         if (rtlpriv->dm.supp_phymode_switch) {
1108                                 if (sta->deflink.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->deflink.supp_rates[0] <= 0xf)
1117                                         mac->mode = WIRELESS_MODE_B;
1118                                 else
1119                                         mac->mode = WIRELESS_MODE_G;
1120                         }
1121
1122                         if (sta->deflink.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->deflink.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                         rtl_dbg(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, true);
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                         rtl_dbg(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                                 rtl_dbg(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                         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1179                                 "BSS_CHANGED_UN_ASSOC\n");
1180                 }
1181                 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1182                 /* For FW LPS:
1183                  * To tell firmware we have connected or disconnected
1184                  */
1185                 rtlpriv->cfg->ops->set_hw_reg(hw,
1186                                               HW_VAR_H2C_FW_JOINBSSRPT,
1187                                               (u8 *)(&mstatus));
1188                 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1189                                       true : false;
1190
1191                 if (rtlpriv->cfg->ops->get_btc_status())
1192                         rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1193                                                         rtlpriv, mstatus);
1194         }
1195
1196         if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1197                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1198                         "BSS_CHANGED_ERP_CTS_PROT\n");
1199                 mac->use_cts_protect = bss_conf->use_cts_prot;
1200         }
1201
1202         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1203                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
1204                         "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1205                           bss_conf->use_short_preamble);
1206
1207                 mac->short_preamble = bss_conf->use_short_preamble;
1208                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1209                                               (u8 *)(&mac->short_preamble));
1210         }
1211
1212         if (changed & BSS_CHANGED_ERP_SLOT) {
1213                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1214                         "BSS_CHANGED_ERP_SLOT\n");
1215
1216                 if (bss_conf->use_short_slot)
1217                         mac->slot_time = RTL_SLOT_TIME_9;
1218                 else
1219                         mac->slot_time = RTL_SLOT_TIME_20;
1220
1221                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1222                                               (u8 *)(&mac->slot_time));
1223         }
1224
1225         if (changed & BSS_CHANGED_HT) {
1226                 struct ieee80211_sta *sta = NULL;
1227
1228                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1229                         "BSS_CHANGED_HT\n");
1230
1231                 rcu_read_lock();
1232                 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1233                 if (sta) {
1234                         if (sta->deflink.ht_cap.ampdu_density >
1235                             mac->current_ampdu_density)
1236                                 mac->current_ampdu_density =
1237                                     sta->deflink.ht_cap.ampdu_density;
1238                         if (sta->deflink.ht_cap.ampdu_factor <
1239                             mac->current_ampdu_factor)
1240                                 mac->current_ampdu_factor =
1241                                     sta->deflink.ht_cap.ampdu_factor;
1242                 }
1243                 rcu_read_unlock();
1244
1245                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1246                                               (u8 *)(&mac->max_mss_density));
1247                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1248                                               &mac->current_ampdu_factor);
1249                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1250                                               &mac->current_ampdu_density);
1251         }
1252
1253         if (changed & BSS_CHANGED_BSSID) {
1254                 u32 basic_rates;
1255                 struct ieee80211_sta *sta = NULL;
1256
1257                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1258                                               (u8 *)bss_conf->bssid);
1259
1260                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1261                         "bssid: %pM\n", bss_conf->bssid);
1262
1263                 mac->vendor = PEER_UNKNOWN;
1264                 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1265
1266                 rcu_read_lock();
1267                 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1268                 if (!sta) {
1269                         rcu_read_unlock();
1270                         goto out;
1271                 }
1272
1273                 if (rtlhal->current_bandtype == BAND_ON_5G) {
1274                         mac->mode = WIRELESS_MODE_A;
1275                 } else {
1276                         if (sta->deflink.supp_rates[0] <= 0xf)
1277                                 mac->mode = WIRELESS_MODE_B;
1278                         else
1279                                 mac->mode = WIRELESS_MODE_G;
1280                 }
1281
1282                 if (sta->deflink.ht_cap.ht_supported) {
1283                         if (rtlhal->current_bandtype == BAND_ON_2_4G)
1284                                 mac->mode = WIRELESS_MODE_N_24G;
1285                         else
1286                                 mac->mode = WIRELESS_MODE_N_5G;
1287                 }
1288
1289                 if (sta->deflink.vht_cap.vht_supported) {
1290                         if (rtlhal->current_bandtype == BAND_ON_5G)
1291                                 mac->mode = WIRELESS_MODE_AC_5G;
1292                         else
1293                                 mac->mode = WIRELESS_MODE_AC_24G;
1294                 }
1295
1296                 /* just station need it, because ibss & ap mode will
1297                  * set in sta_add, and will be NULL here */
1298                 if (vif->type == NL80211_IFTYPE_STATION) {
1299                         struct rtl_sta_info *sta_entry;
1300
1301                         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1302                         sta_entry->wireless_mode = mac->mode;
1303                 }
1304
1305                 if (sta->deflink.ht_cap.ht_supported) {
1306                         mac->ht_enable = true;
1307
1308                         /*
1309                          * for cisco 1252 bw20 it's wrong
1310                          * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1311                          *      mac->bw_40 = true;
1312                          * }
1313                          * */
1314                 }
1315
1316                 if (sta->deflink.vht_cap.vht_supported)
1317                         mac->vht_enable = true;
1318
1319                 if (changed & BSS_CHANGED_BASIC_RATES) {
1320                         /* for 5G must << RATE_6M_INDEX = 4,
1321                          * because 5G have no cck rate*/
1322                         if (rtlhal->current_bandtype == BAND_ON_5G)
1323                                 basic_rates = sta->deflink.supp_rates[1] << 4;
1324                         else
1325                                 basic_rates = sta->deflink.supp_rates[0];
1326
1327                         mac->basic_rates = basic_rates;
1328                         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1329                                         (u8 *)(&basic_rates));
1330                 }
1331                 rcu_read_unlock();
1332         }
1333 out:
1334         mutex_unlock(&rtlpriv->locks.conf_mutex);
1335 }
1336
1337 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1338 {
1339         struct rtl_priv *rtlpriv = rtl_priv(hw);
1340         u64 tsf;
1341
1342         rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1343         return tsf;
1344 }
1345
1346 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1347                            struct ieee80211_vif *vif, u64 tsf)
1348 {
1349         struct rtl_priv *rtlpriv = rtl_priv(hw);
1350         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1351         u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1352
1353         mac->tsf = tsf;
1354         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1355 }
1356
1357 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1358 {
1359         struct rtl_priv *rtlpriv = rtl_priv(hw);
1360         u8 tmp = 0;
1361
1362         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1363 }
1364
1365 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1366                               struct ieee80211_vif *vif,
1367                               enum sta_notify_cmd cmd,
1368                               struct ieee80211_sta *sta)
1369 {
1370         switch (cmd) {
1371         case STA_NOTIFY_SLEEP:
1372                 break;
1373         case STA_NOTIFY_AWAKE:
1374                 break;
1375         default:
1376                 break;
1377         }
1378 }
1379
1380 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1381                                struct ieee80211_vif *vif,
1382                                struct ieee80211_ampdu_params *params)
1383 {
1384         struct rtl_priv *rtlpriv = rtl_priv(hw);
1385         struct ieee80211_sta *sta = params->sta;
1386         enum ieee80211_ampdu_mlme_action action = params->action;
1387         u16 tid = params->tid;
1388         u16 *ssn = &params->ssn;
1389
1390         switch (action) {
1391         case IEEE80211_AMPDU_TX_START:
1392                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1393                         "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1394                 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1395         case IEEE80211_AMPDU_TX_STOP_CONT:
1396         case IEEE80211_AMPDU_TX_STOP_FLUSH:
1397         case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1398                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1399                         "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1400                 return rtl_tx_agg_stop(hw, vif, sta, tid);
1401         case IEEE80211_AMPDU_TX_OPERATIONAL:
1402                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1403                         "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1404                 rtl_tx_agg_oper(hw, sta, tid);
1405                 break;
1406         case IEEE80211_AMPDU_RX_START:
1407                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1408                         "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1409                 return rtl_rx_agg_start(hw, sta, tid);
1410         case IEEE80211_AMPDU_RX_STOP:
1411                 rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1412                         "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1413                 return rtl_rx_agg_stop(hw, sta, tid);
1414         default:
1415                 pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
1416                 return -EOPNOTSUPP;
1417         }
1418         return 0;
1419 }
1420
1421 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1422                                  struct ieee80211_vif *vif,
1423                                  const u8 *mac_addr)
1424 {
1425         struct rtl_priv *rtlpriv = rtl_priv(hw);
1426         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1427
1428         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1429         mac->act_scanning = true;
1430         if (rtlpriv->link_info.higher_busytraffic) {
1431                 mac->skip_scan = true;
1432                 return;
1433         }
1434
1435         if (rtlpriv->cfg->ops->get_btc_status())
1436                 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1437         else if (rtlpriv->btcoexist.btc_ops)
1438                 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1439                                                                       1);
1440
1441         if (mac->link_state == MAC80211_LINKED) {
1442                 rtl_lps_leave(hw, true);
1443                 mac->link_state = MAC80211_LINKED_SCANNING;
1444         } else {
1445                 rtl_ips_nic_on(hw);
1446         }
1447
1448         /* Dul mac */
1449         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1450
1451         rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1452         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1453 }
1454
1455 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1456                                     struct ieee80211_vif *vif)
1457 {
1458         struct rtl_priv *rtlpriv = rtl_priv(hw);
1459         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1460
1461         rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1462         mac->act_scanning = false;
1463         mac->skip_scan = false;
1464
1465         rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1466
1467         if (rtlpriv->link_info.higher_busytraffic)
1468                 return;
1469
1470         /* p2p will use 1/6/11 to scan */
1471         if (mac->n_channels == 3)
1472                 mac->p2p_in_use = true;
1473         else
1474                 mac->p2p_in_use = false;
1475         mac->n_channels = 0;
1476         /* Dul mac */
1477         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1478
1479         if (mac->link_state == MAC80211_LINKED_SCANNING) {
1480                 mac->link_state = MAC80211_LINKED;
1481                 if (mac->opmode == NL80211_IFTYPE_STATION) {
1482                         /* fix fwlps issue */
1483                         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1484                 }
1485         }
1486
1487         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1488         if (rtlpriv->cfg->ops->get_btc_status())
1489                 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1490         else if (rtlpriv->btcoexist.btc_ops)
1491                 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1492                                                                       0);
1493 }
1494
1495 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1496                           struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1497                           struct ieee80211_key_conf *key)
1498 {
1499         struct rtl_priv *rtlpriv = rtl_priv(hw);
1500         u8 key_type = NO_ENCRYPTION;
1501         u8 key_idx;
1502         bool group_key = false;
1503         bool wep_only = false;
1504         int err = 0;
1505         u8 mac_addr[ETH_ALEN];
1506         u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1507
1508         rtlpriv->btcoexist.btc_info.in_4way = false;
1509
1510         if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1511                 rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
1512                         "not open hw encryption\n");
1513                 return -ENOSPC; /*User disabled HW-crypto */
1514         }
1515         /* To support IBSS, use sw-crypto for GTK */
1516         if ((vif->type == NL80211_IFTYPE_ADHOC ||
1517              vif->type == NL80211_IFTYPE_MESH_POINT) &&
1518             !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1519                 return -ENOSPC;
1520         rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1521                 "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1522                 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1523                 sta ? sta->addr : bcast_addr);
1524         rtlpriv->sec.being_setkey = true;
1525         rtl_ips_nic_on(hw);
1526         mutex_lock(&rtlpriv->locks.conf_mutex);
1527         /* <1> get encryption alg */
1528
1529         switch (key->cipher) {
1530         case WLAN_CIPHER_SUITE_WEP40:
1531                 key_type = WEP40_ENCRYPTION;
1532                 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1533                 break;
1534         case WLAN_CIPHER_SUITE_WEP104:
1535                 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1536                 key_type = WEP104_ENCRYPTION;
1537                 break;
1538         case WLAN_CIPHER_SUITE_TKIP:
1539                 key_type = TKIP_ENCRYPTION;
1540                 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1541                 break;
1542         case WLAN_CIPHER_SUITE_CCMP:
1543                 key_type = AESCCMP_ENCRYPTION;
1544                 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1545                 break;
1546         case WLAN_CIPHER_SUITE_AES_CMAC:
1547                 /* HW don't support CMAC encryption,
1548                  * use software CMAC encryption
1549                  */
1550                 key_type = AESCMAC_ENCRYPTION;
1551                 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1552                 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1553                         "HW don't support CMAC encryption, use software CMAC encryption\n");
1554                 err = -EOPNOTSUPP;
1555                 goto out_unlock;
1556         default:
1557                 pr_err("alg_err:%x!!!!:\n", key->cipher);
1558                 goto out_unlock;
1559         }
1560         if (key_type == WEP40_ENCRYPTION ||
1561            key_type == WEP104_ENCRYPTION ||
1562            vif->type == NL80211_IFTYPE_ADHOC)
1563                 rtlpriv->sec.use_defaultkey = true;
1564
1565         /* <2> get key_idx */
1566         key_idx = (u8) (key->keyidx);
1567         if (key_idx > 3)
1568                 goto out_unlock;
1569         /* <3> if pairwise key enable_hw_sec */
1570         group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1571
1572         /* wep always be group key, but there are two conditions:
1573          * 1) wep only: is just for wep enc, in this condition
1574          * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1575          * will be true & enable_hw_sec will be set when wep
1576          * ke setting.
1577          * 2) wep(group) + AES(pairwise): some AP like cisco
1578          * may use it, in this condition enable_hw_sec will not
1579          * be set when wep key setting */
1580         /* we must reset sec_info after lingked before set key,
1581          * or some flag will be wrong*/
1582         if (vif->type == NL80211_IFTYPE_AP ||
1583                 vif->type == NL80211_IFTYPE_MESH_POINT) {
1584                 if (!group_key || key_type == WEP40_ENCRYPTION ||
1585                         key_type == WEP104_ENCRYPTION) {
1586                         if (group_key)
1587                                 wep_only = true;
1588                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1589                 }
1590         } else {
1591                 if (!group_key || vif->type == NL80211_IFTYPE_ADHOC ||
1592                     rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1593                         if (rtlpriv->sec.pairwise_enc_algorithm ==
1594                             NO_ENCRYPTION &&
1595                            (key_type == WEP40_ENCRYPTION ||
1596                             key_type == WEP104_ENCRYPTION))
1597                                 wep_only = true;
1598                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1599                         rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1600                                 "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1601                                 key_type);
1602                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1603                 }
1604         }
1605         /* <4> set key based on cmd */
1606         switch (cmd) {
1607         case SET_KEY:
1608                 if (wep_only) {
1609                         rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1610                                 "set WEP(group/pairwise) key\n");
1611                         /* Pairwise key with an assigned MAC address. */
1612                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1613                         rtlpriv->sec.group_enc_algorithm = key_type;
1614                         /*set local buf about wep key. */
1615                         memcpy(rtlpriv->sec.key_buf[key_idx],
1616                                key->key, key->keylen);
1617                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1618                         eth_zero_addr(mac_addr);
1619                 } else if (group_key) { /* group key */
1620                         rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1621                                 "set group key\n");
1622                         /* group key */
1623                         rtlpriv->sec.group_enc_algorithm = key_type;
1624                         /*set local buf about group key. */
1625                         memcpy(rtlpriv->sec.key_buf[key_idx],
1626                                key->key, key->keylen);
1627                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1628                         eth_broadcast_addr(mac_addr);
1629                 } else {        /* pairwise key */
1630                         rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1631                                 "set pairwise key\n");
1632                         if (!sta) {
1633                                 WARN_ONCE(true,
1634                                           "rtlwifi: pairwise key without mac_addr\n");
1635
1636                                 err = -EOPNOTSUPP;
1637                                 goto out_unlock;
1638                         }
1639                         /* Pairwise key with an assigned MAC address. */
1640                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1641                         /*set local buf about pairwise key. */
1642                         memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1643                                key->key, key->keylen);
1644                         rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1645                         rtlpriv->sec.pairwise_key =
1646                             rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1647                         memcpy(mac_addr, sta->addr, ETH_ALEN);
1648                 }
1649                 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1650                                            group_key, key_type, wep_only,
1651                                            false);
1652                 /* <5> tell mac80211 do something: */
1653                 /*must use sw generate IV, or can not work !!!!. */
1654                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1655                 key->hw_key_idx = key_idx;
1656                 if (key_type == TKIP_ENCRYPTION)
1657                         key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1658                 /*use software CCMP encryption for management frames (MFP) */
1659                 if (key_type == AESCCMP_ENCRYPTION)
1660                         key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1661                 break;
1662         case DISABLE_KEY:
1663                 rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1664                         "disable key delete one entry\n");
1665                 /*set local buf about wep key. */
1666                 if (vif->type == NL80211_IFTYPE_AP ||
1667                         vif->type == NL80211_IFTYPE_MESH_POINT) {
1668                         if (sta)
1669                                 rtl_cam_del_entry(hw, sta->addr);
1670                 }
1671                 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1672                 rtlpriv->sec.key_len[key_idx] = 0;
1673                 eth_zero_addr(mac_addr);
1674                 /*
1675                  *mac80211 will delete entries one by one,
1676                  *so don't use rtl_cam_reset_all_entry
1677                  *or clear all entry here.
1678                  */
1679                 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */
1680
1681                 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1682                 break;
1683         default:
1684                 pr_err("cmd_err:%x!!!!:\n", cmd);
1685         }
1686 out_unlock:
1687         mutex_unlock(&rtlpriv->locks.conf_mutex);
1688         rtlpriv->sec.being_setkey = false;
1689         return err;
1690 }
1691
1692 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1693 {
1694         struct rtl_priv *rtlpriv = rtl_priv(hw);
1695
1696         bool radio_state;
1697         bool blocked;
1698         u8 valid = 0;
1699
1700         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1701                 return;
1702
1703         mutex_lock(&rtlpriv->locks.conf_mutex);
1704
1705         /*if Radio On return true here */
1706         radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1707
1708         if (valid) {
1709                 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1710                         rtlpriv->rfkill.rfkill_state = radio_state;
1711
1712                         rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG,
1713                                 "wireless radio switch turned %s\n",
1714                                 radio_state ? "on" : "off");
1715
1716                         blocked = !rtlpriv->rfkill.rfkill_state;
1717                         wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1718                 }
1719         }
1720
1721         mutex_unlock(&rtlpriv->locks.conf_mutex);
1722 }
1723
1724 /* this function is called by mac80211 to flush tx buffer
1725  * before switch channle or power save, or tx buffer packet
1726  * maybe send after offchannel or rf sleep, this may cause
1727  * dis-association by AP */
1728 static void rtl_op_flush(struct ieee80211_hw *hw,
1729                          struct ieee80211_vif *vif,
1730                          u32 queues,
1731                          bool drop)
1732 {
1733         struct rtl_priv *rtlpriv = rtl_priv(hw);
1734
1735         if (rtlpriv->intf_ops->flush)
1736                 rtlpriv->intf_ops->flush(hw, queues, drop);
1737 }
1738
1739 static int rtl_op_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
1740                           bool set)
1741 {
1742         struct rtl_priv *rtlpriv = rtl_priv(hw);
1743         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1744
1745         if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192CU)
1746                 schedule_work(&rtlpriv->works.update_beacon_work);
1747
1748         return 0;
1749 }
1750
1751 /*      Description:
1752  *              This routine deals with the Power Configuration CMD
1753  *               parsing for RTL8723/RTL8188E Series IC.
1754  *      Assumption:
1755  *              We should follow specific format that was released from HW SD.
1756  */
1757 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1758                               u8 faversion, u8 interface_type,
1759                               struct wlan_pwr_cfg pwrcfgcmd[])
1760 {
1761         struct wlan_pwr_cfg cfg_cmd;
1762         bool polling_bit = false;
1763         u32 ary_idx = 0;
1764         u8 value = 0;
1765         u32 offset = 0;
1766         u32 polling_count = 0;
1767         u32 max_polling_cnt = 5000;
1768
1769         do {
1770                 cfg_cmd = pwrcfgcmd[ary_idx];
1771                 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1772                         "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1773                         __func__,
1774                         GET_PWR_CFG_OFFSET(cfg_cmd),
1775                                            GET_PWR_CFG_CUT_MASK(cfg_cmd),
1776                         GET_PWR_CFG_FAB_MASK(cfg_cmd),
1777                                              GET_PWR_CFG_INTF_MASK(cfg_cmd),
1778                         GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1779                         GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1780
1781                 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1782                     (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1783                     (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1784                         switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1785                         case PWR_CMD_READ:
1786                                 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1787                                         "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1788                                 break;
1789                         case PWR_CMD_WRITE:
1790                                 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1791                                         "%s(): PWR_CMD_WRITE\n", __func__);
1792                                 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1793
1794                                 /*Read the value from system register*/
1795                                 value = rtl_read_byte(rtlpriv, offset);
1796                                 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1797                                 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1798                                           GET_PWR_CFG_MASK(cfg_cmd));
1799
1800                                 /*Write the value back to system register*/
1801                                 rtl_write_byte(rtlpriv, offset, value);
1802                                 break;
1803                         case PWR_CMD_POLLING:
1804                                 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1805                                         "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1806                                 polling_bit = false;
1807                                 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1808
1809                                 do {
1810                                         value = rtl_read_byte(rtlpriv, offset);
1811
1812                                         value &= GET_PWR_CFG_MASK(cfg_cmd);
1813                                         if (value ==
1814                                             (GET_PWR_CFG_VALUE(cfg_cmd) &
1815                                              GET_PWR_CFG_MASK(cfg_cmd)))
1816                                                 polling_bit = true;
1817                                         else
1818                                                 udelay(10);
1819
1820                                         if (polling_count++ > max_polling_cnt)
1821                                                 return false;
1822                                 } while (!polling_bit);
1823                                 break;
1824                         case PWR_CMD_DELAY:
1825                                 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1826                                         "%s: PWR_CMD_DELAY\n", __func__);
1827                                 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1828                                     PWRSEQ_DELAY_US)
1829                                         udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1830                                 else
1831                                         mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1832                                 break;
1833                         case PWR_CMD_END:
1834                                 rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1835                                         "%s: PWR_CMD_END\n", __func__);
1836                                 return true;
1837                         default:
1838                                 WARN_ONCE(true,
1839                                           "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1840                                 break;
1841                         }
1842                 }
1843                 ary_idx++;
1844         } while (1);
1845
1846         return true;
1847 }
1848 EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1849
1850 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1851 {
1852         struct rtl_priv *rtlpriv = rtl_priv(hw);
1853         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1854         struct rtl8192_tx_ring *ring;
1855         struct rtl_tx_desc *pdesc;
1856         unsigned long flags;
1857         struct sk_buff *pskb = NULL;
1858
1859         ring = &rtlpci->tx_ring[BEACON_QUEUE];
1860
1861         spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1862         pskb = __skb_dequeue(&ring->queue);
1863         if (pskb)
1864                 dev_kfree_skb_irq(pskb);
1865
1866         /*this is wrong, fill_tx_cmddesc needs update*/
1867         pdesc = &ring->desc[0];
1868
1869         rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, skb);
1870
1871         __skb_queue_tail(&ring->queue, skb);
1872
1873         spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1874
1875         rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1876
1877         return true;
1878 }
1879 EXPORT_SYMBOL(rtl_cmd_send_packet);
1880
1881 void rtl_init_sw_leds(struct ieee80211_hw *hw)
1882 {
1883         struct rtl_priv *rtlpriv = rtl_priv(hw);
1884
1885         rtlpriv->ledctl.sw_led0 = LED_PIN_LED0;
1886         rtlpriv->ledctl.sw_led1 = LED_PIN_LED1;
1887 }
1888 EXPORT_SYMBOL(rtl_init_sw_leds);
1889
1890 const struct ieee80211_ops rtl_ops = {
1891         .add_chanctx = ieee80211_emulate_add_chanctx,
1892         .remove_chanctx = ieee80211_emulate_remove_chanctx,
1893         .change_chanctx = ieee80211_emulate_change_chanctx,
1894         .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
1895         .start = rtl_op_start,
1896         .stop = rtl_op_stop,
1897         .tx = rtl_op_tx,
1898         .wake_tx_queue = ieee80211_handle_wake_tx_queue,
1899         .add_interface = rtl_op_add_interface,
1900         .remove_interface = rtl_op_remove_interface,
1901         .change_interface = rtl_op_change_interface,
1902 #ifdef CONFIG_PM
1903         .suspend = rtl_op_suspend,
1904         .resume = rtl_op_resume,
1905 #endif
1906         .config = rtl_op_config,
1907         .configure_filter = rtl_op_configure_filter,
1908         .set_key = rtl_op_set_key,
1909         .conf_tx = rtl_op_conf_tx,
1910         .bss_info_changed = rtl_op_bss_info_changed,
1911         .get_tsf = rtl_op_get_tsf,
1912         .set_tsf = rtl_op_set_tsf,
1913         .reset_tsf = rtl_op_reset_tsf,
1914         .sta_notify = rtl_op_sta_notify,
1915         .ampdu_action = rtl_op_ampdu_action,
1916         .sw_scan_start = rtl_op_sw_scan_start,
1917         .sw_scan_complete = rtl_op_sw_scan_complete,
1918         .rfkill_poll = rtl_op_rfkill_poll,
1919         .sta_add = rtl_op_sta_add,
1920         .sta_remove = rtl_op_sta_remove,
1921         .flush = rtl_op_flush,
1922         .set_tim = rtl_op_set_tim,
1923 };
1924 EXPORT_SYMBOL_GPL(rtl_ops);
1925
1926 bool rtl_btc_status_false(void)
1927 {
1928         return false;
1929 }
1930 EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1931
1932 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1933 {
1934         struct rtl_priv *rtlpriv = rtl_priv(hw);
1935         struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1936
1937         dm_digtable->dig_enable_flag = true;
1938         dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1939         dm_digtable->cur_igvalue = cur_igvalue;
1940         dm_digtable->pre_igvalue = 0;
1941         dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1942         dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1943         dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1944         dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1945         dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1946         dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1947         dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1948         dm_digtable->rx_gain_max = DM_DIG_MAX;
1949         dm_digtable->rx_gain_min = DM_DIG_MIN;
1950         dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1951         dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1952         dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1953         dm_digtable->pre_cck_cca_thres = 0xff;
1954         dm_digtable->cur_cck_cca_thres = 0x83;
1955         dm_digtable->forbidden_igi = DM_DIG_MIN;
1956         dm_digtable->large_fa_hit = 0;
1957         dm_digtable->recover_cnt = 0;
1958         dm_digtable->dig_min_0 = 0x25;
1959         dm_digtable->dig_min_1 = 0x25;
1960         dm_digtable->media_connect_0 = false;
1961         dm_digtable->media_connect_1 = false;
1962         rtlpriv->dm.dm_initialgain_enable = true;
1963         dm_digtable->bt30_cur_igi = 0x32;
1964         dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1965         dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1966         dm_digtable->pre_cck_fa_state = 0;
1967         dm_digtable->cur_cck_fa_state = 0;
1968 }
1969 EXPORT_SYMBOL(rtl_dm_diginit);