drivers/staging/rtlwifi/core.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2012  Realtek Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * The full GNU General Public License is included in this distribution in the
  15  * file called LICENSE.
  16  *
  17  * Contact Information:
  18  * wlanfae <wlanfae@realtek.com>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  * Larry Finger <Larry.Finger@lwfinger.net>
  23  *
  24  *****************************************************************************/
  25
  26 #include "wifi.h"
  27 #include "core.h"
  28 #include "cam.h"
  29 #include "base.h"
  30 #include "ps.h"
  31 #include "pwrseqcmd.h"
  32
  33 #include "btcoexist/rtl_btc.h"
  34 #include <linux/firmware.h>
  35 #include <linux/export.h>
  36 #include <net/cfg80211.h>
  37
  38 u8 channel5g[CHANNEL_MAX_NUMBER_5G] = {
  39         36, 38, 40, 42, 44, 46, 48,             /* Band 1 */
  40         52, 54, 56, 58, 60, 62, 64,             /* Band 2 */
  41         100, 102, 104, 106, 108, 110, 112,      /* Band 3 */
  42         116, 118, 120, 122, 124, 126, 128,      /* Band 3 */
  43         132, 134, 136, 138, 140, 142, 144,      /* Band 3 */
  44         149, 151, 153, 155, 157, 159, 161,      /* Band 4 */
  45         165, 167, 169, 171, 173, 175, 177       /* Band 4 */
  46 };
  47
  48 u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = {
  49         42, 58, 106, 122, 138, 155, 171
  50 };
  51
  52 void rtl_addr_delay(u32 addr)
  53 {
  54         if (addr == 0xfe)
  55                 mdelay(50);
  56         else if (addr == 0xfd)
  57                 msleep(5);
  58         else if (addr == 0xfc)
  59                 msleep(1);
  60         else if (addr == 0xfb)
  61                 usleep_range(50, 100);
  62         else if (addr == 0xfa)
  63                 usleep_range(5, 10);
  64         else if (addr == 0xf9)
  65                 usleep_range(1, 2);
  66 }
  67
  68 void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr,
  69                      u32 mask, u32 data)
  70 {
  71         if (addr >= 0xf9 && addr <= 0xfe) {
  72                 rtl_addr_delay(addr);
  73         } else {
  74                 rtl_set_rfreg(hw, rfpath, addr, mask, data);
  75                 udelay(1);
  76         }
  77 }
  78
  79 void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data)
  80 {
  81         if (addr >= 0xf9 && addr <= 0xfe) {
  82                 rtl_addr_delay(addr);
  83         } else {
  84                 rtl_set_bbreg(hw, addr, MASKDWORD, data);
  85                 udelay(1);
  86         }
  87 }
  88
  89 static void rtl_fw_do_work(const struct firmware *firmware, void *context,
  90                            bool is_wow)
  91 {
  92         struct ieee80211_hw *hw = context;
  93         struct rtl_priv *rtlpriv = rtl_priv(hw);
  94         int err;
  95
  96         RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
  97                  "Firmware callback routine entered!\n");
  98         complete(&rtlpriv->firmware_loading_complete);
  99         if (!firmware) {
 100                 if (rtlpriv->cfg->alt_fw_name) {
 101                         err = reject_firmware(&firmware,
 102                                                rtlpriv->cfg->alt_fw_name,
 103                                                rtlpriv->io.dev);
 104                         pr_info("Loading alternative firmware %s\n",
 105                                 rtlpriv->cfg->alt_fw_name);
 106                         if (!err)
 107                                 goto found_alt;
 108                 }
 109                 pr_err("Selected firmware is not available\n");
 110                 rtlpriv->max_fw_size = 0;
 111                 return;
 112         }
 113 found_alt:
 114         if (firmware->size > rtlpriv->max_fw_size) {
 115                 pr_err("Firmware is too big!\n");
 116                 release_firmware(firmware);
 117                 return;
 118         }
 119         if (!is_wow) {
 120                 memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
 121                        firmware->size);
 122                 rtlpriv->rtlhal.fwsize = firmware->size;
 123         } else {
 124                 memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
 125                        firmware->size);
 126                 rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
 127         }
 128         rtlpriv->rtlhal.fwsize = firmware->size;
 129         release_firmware(firmware);
 130 }
 131
 132 void rtl_fw_cb(const struct firmware *firmware, void *context)
 133 {
 134         rtl_fw_do_work(firmware, context, false);
 135 }
 136
 137 void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
 138 {
 139         rtl_fw_do_work(firmware, context, true);
 140 }
 141
 142 /*mutex for start & stop is must here. */
 143 static int rtl_op_start(struct ieee80211_hw *hw)
 144 {
 145         int err = 0;
 146         struct rtl_priv *rtlpriv = rtl_priv(hw);
 147         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 148
 149         if (!is_hal_stop(rtlhal))
 150                 return 0;
 151         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 152                 return 0;
 153         mutex_lock(&rtlpriv->locks.conf_mutex);
 154         err = rtlpriv->intf_ops->adapter_start(hw);
 155         if (!err)
 156                 rtl_watch_dog_timer_callback((unsigned long)hw);
 157         mutex_unlock(&rtlpriv->locks.conf_mutex);
 158         return err;
 159 }
 160
 161 static void rtl_op_stop(struct ieee80211_hw *hw)
 162 {
 163         struct rtl_priv *rtlpriv = rtl_priv(hw);
 164         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 165         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 166         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 167         bool support_remote_wakeup = false;
 168
 169         if (is_hal_stop(rtlhal))
 170                 return;
 171
 172         rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
 173                                       (u8 *)(&support_remote_wakeup));
 174         /* here is must, because adhoc do stop and start,
 175          * but stop with RFOFF may cause something wrong,
 176          * like adhoc TP
 177          */
 178         if (unlikely(ppsc->rfpwr_state == ERFOFF))
 179                 rtl_ips_nic_on(hw);
 180
 181         mutex_lock(&rtlpriv->locks.conf_mutex);
 182         /* if wowlan supported, DON'T clear connected info */
 183         if (!(support_remote_wakeup &&
 184               rtlhal->enter_pnp_sleep)) {
 185                 mac->link_state = MAC80211_NOLINK;
 186                 eth_zero_addr(mac->bssid);
 187                 mac->vendor = PEER_UNKNOWN;
 188
 189                 /* reset sec info */
 190                 rtl_cam_reset_sec_info(hw);
 191
 192                 rtl_deinit_deferred_work(hw);
 193         }
 194         rtlpriv->intf_ops->adapter_stop(hw);
 195
 196         mutex_unlock(&rtlpriv->locks.conf_mutex);
 197 }
 198
 199 static void rtl_op_tx(struct ieee80211_hw *hw,
 200                       struct ieee80211_tx_control *control,
 201                       struct sk_buff *skb)
 202 {
 203         struct rtl_priv *rtlpriv = rtl_priv(hw);
 204         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 205         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 206         struct rtl_tcb_desc tcb_desc;
 207
 208         memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 209
 210         if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
 211                 goto err_free;
 212
 213         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 214                 goto err_free;
 215
 216         if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
 217                 rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
 218         return;
 219
 220 err_free:
 221         dev_kfree_skb_any(skb);
 222 }
 223
 224 static int rtl_op_add_interface(struct ieee80211_hw *hw,
 225                                 struct ieee80211_vif *vif)
 226 {
 227         struct rtl_priv *rtlpriv = rtl_priv(hw);
 228         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 229         int err = 0;
 230         u8 retry_limit = 0x30;
 231
 232         if (mac->vif) {
 233                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 234                          "vif has been set!! mac->vif = 0x%p\n", mac->vif);
 235                 return -EOPNOTSUPP;
 236         }
 237
 238         vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
 239
 240         rtl_ips_nic_on(hw);
 241
 242         mutex_lock(&rtlpriv->locks.conf_mutex);
 243         switch (ieee80211_vif_type_p2p(vif)) {
 244         case NL80211_IFTYPE_P2P_CLIENT:
 245                 mac->p2p = P2P_ROLE_CLIENT;
 246                 /*fall through*/
 247         case NL80211_IFTYPE_STATION:
 248                 if (mac->beacon_enabled == 1) {
 249                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 250                                  "NL80211_IFTYPE_STATION\n");
 251                         mac->beacon_enabled = 0;
 252                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 253                                         rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 254                 }
 255                 break;
 256         case NL80211_IFTYPE_ADHOC:
 257                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 258                          "NL80211_IFTYPE_ADHOC\n");
 259
 260                 mac->link_state = MAC80211_LINKED;
 261                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 262                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 263                         mac->basic_rates = 0xfff;
 264                 else
 265                         mac->basic_rates = 0xff0;
 266                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 267                                 (u8 *)(&mac->basic_rates));
 268
 269                 retry_limit = 0x07;
 270                 break;
 271         case NL80211_IFTYPE_P2P_GO:
 272                 mac->p2p = P2P_ROLE_GO;
 273                 /*fall through*/
 274         case NL80211_IFTYPE_AP:
 275                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 276                          "NL80211_IFTYPE_AP\n");
 277
 278                 mac->link_state = MAC80211_LINKED;
 279                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 280                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 281                         mac->basic_rates = 0xfff;
 282                 else
 283                         mac->basic_rates = 0xff0;
 284                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 285                                               (u8 *)(&mac->basic_rates));
 286
 287                 retry_limit = 0x07;
 288                 break;
 289         case NL80211_IFTYPE_MESH_POINT:
 290                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 291                          "NL80211_IFTYPE_MESH_POINT\n");
 292
 293                 mac->link_state = MAC80211_LINKED;
 294                 rtlpriv->cfg->ops->set_bcn_reg(hw);
 295                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 296                         mac->basic_rates = 0xfff;
 297                 else
 298                         mac->basic_rates = 0xff0;
 299                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 300                                 (u8 *)(&mac->basic_rates));
 301
 302                 retry_limit = 0x07;
 303                 break;
 304         default:
 305                 pr_err("operation mode %d is not supported!\n",
 306                        vif->type);
 307                 err = -EOPNOTSUPP;
 308                 goto out;
 309         }
 310
 311         if (mac->p2p) {
 312                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 313                          "p2p role %x\n", vif->type);
 314                 mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
 315                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 316                                 (u8 *)(&mac->basic_rates));
 317         }
 318         mac->vif = vif;
 319         mac->opmode = vif->type;
 320         rtlpriv->cfg->ops->set_network_type(hw, vif->type);
 321         memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
 322         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
 323
 324         mac->retry_long = retry_limit;
 325         mac->retry_short = retry_limit;
 326         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 327                         (u8 *)(&retry_limit));
 328 out:
 329         mutex_unlock(&rtlpriv->locks.conf_mutex);
 330         return err;
 331 }
 332
 333 static void rtl_op_remove_interface(struct ieee80211_hw *hw,
 334                                     struct ieee80211_vif *vif)
 335 {
 336         struct rtl_priv *rtlpriv = rtl_priv(hw);
 337         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 338
 339         mutex_lock(&rtlpriv->locks.conf_mutex);
 340
 341         /* Free beacon resources */
 342         if ((vif->type == NL80211_IFTYPE_AP) ||
 343             (vif->type == NL80211_IFTYPE_ADHOC) ||
 344             (vif->type == NL80211_IFTYPE_MESH_POINT)) {
 345                 if (mac->beacon_enabled == 1) {
 346                         mac->beacon_enabled = 0;
 347                         rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 348                                         rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 349                 }
 350         }
 351
 352         /*
 353          *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
 354          *NO LINK for our hardware.
 355          */
 356         mac->p2p = 0;
 357         mac->vif = NULL;
 358         mac->link_state = MAC80211_NOLINK;
 359         eth_zero_addr(mac->bssid);
 360         mac->vendor = PEER_UNKNOWN;
 361         mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
 362         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
 363
 364         mutex_unlock(&rtlpriv->locks.conf_mutex);
 365 }
 366
 367 static int rtl_op_change_interface(struct ieee80211_hw *hw,
 368                                    struct ieee80211_vif *vif,
 369                                    enum nl80211_iftype new_type, bool p2p)
 370 {
 371         struct rtl_priv *rtlpriv = rtl_priv(hw);
 372         int ret;
 373
 374         rtl_op_remove_interface(hw, vif);
 375
 376         vif->type = new_type;
 377         vif->p2p = p2p;
 378         ret = rtl_op_add_interface(hw, vif);
 379         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 380                  "p2p  %x\n", p2p);
 381         return ret;
 382 }
 383
 384 #ifdef CONFIG_PM
 385 static u16 crc16_ccitt(u8 data, u16 crc)
 386 {
 387         u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
 388         u8 i;
 389         u16 result;
 390
 391         for (i = 0; i < 8; i++) {
 392                 crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
 393                 data_bit  = (data & (BIT(0) << i) ? 1 : 0);
 394                 shift_in = crc_bit15 ^ data_bit;
 395
 396                 result = crc << 1;
 397                 if (shift_in == 0)
 398                         result &= (~BIT(0));
 399                 else
 400                         result |= BIT(0);
 401
 402                 crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
 403                 if (crc_bit11 == 0)
 404                         result &= (~BIT(12));
 405                 else
 406                         result |= BIT(12);
 407
 408                 crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
 409                 if (crc_bit4 == 0)
 410                         result &= (~BIT(5));
 411                 else
 412                         result |= BIT(5);
 413
 414                 crc = result;
 415         }
 416
 417         return crc;
 418 }
 419
 420 static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
 421 {
 422         u16 crc = 0xffff;
 423         u32 i;
 424
 425         for (i = 0; i < len; i++)
 426                 crc = crc16_ccitt(pattern[i], crc);
 427
 428         crc = ~crc;
 429
 430         return crc;
 431 }
 432
 433 static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
 434                                      struct cfg80211_wowlan *wow)
 435 {
 436         struct rtl_priv *rtlpriv = rtl_priv(hw);
 437         struct rtl_mac *mac = &rtlpriv->mac80211;
 438         struct cfg80211_pkt_pattern *patterns = wow->patterns;
 439         struct rtl_wow_pattern rtl_pattern;
 440         const u8 *pattern_os, *mask_os;
 441         u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
 442         u8 content[MAX_WOL_PATTERN_SIZE] = {0};
 443         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 444         u8 multicast_addr1[2] = {0x33, 0x33};
 445         u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
 446         u8 i, mask_len;
 447         u16 j, len;
 448
 449         for (i = 0; i < wow->n_patterns; i++) {
 450                 memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
 451                 memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
 452                 if (patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
 453                         RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING,
 454                                  "Pattern[%d] is too long\n", i);
 455                         continue;
 456                 }
 457                 pattern_os = patterns[i].pattern;
 458                 mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
 459                 mask_os = patterns[i].mask;
 460                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 461                               "pattern content\n", pattern_os,
 462                                patterns[i].pattern_len);
 463                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 464                               "mask content\n", mask_os, mask_len);
 465                 /* 1. unicast? multicast? or broadcast? */
 466                 if (memcmp(pattern_os, broadcast_addr, 6) == 0)
 467                         rtl_pattern.type = BROADCAST_PATTERN;
 468                 else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
 469                          memcmp(pattern_os, multicast_addr2, 3) == 0)
 470                         rtl_pattern.type = MULTICAST_PATTERN;
 471                 else if  (memcmp(pattern_os, mac->mac_addr, 6) == 0)
 472                         rtl_pattern.type = UNICAST_PATTERN;
 473                 else
 474                         rtl_pattern.type = UNKNOWN_TYPE;
 475
 476                 /* 2. translate mask_from_os to mask_for_hw */
 477
 478 /******************************************************************************
 479  * pattern from OS uses 'ethenet frame', like this:
 480
 481                    |    6   |    6   |   2  |     20    |  Variable  |  4  |
 482                    |--------+--------+------+-----------+------------+-----|
 483                    |    802.3 Mac Header    | IP Header | TCP Packet | FCS |
 484                    |   DA   |   SA   | Type |
 485
 486  * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
 487
 488         |     24 or 30      |    6   |   2  |     20    |  Variable  |  4  |
 489         |-------------------+--------+------+-----------+------------+-----|
 490         | 802.11 MAC Header |       LLC     | IP Header | TCP Packet | FCS |
 491                             | Others | Tpye |
 492
 493  * Therefore, we need translate mask_from_OS to mask_to_hw.
 494  * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
 495  * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
 496  * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
 497  ******************************************************************************/
 498
 499                 /* Shift 6 bits */
 500                 for (j = 0; j < mask_len - 1; j++) {
 501                         mask[j] = mask_os[j] >> 6;
 502                         mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
 503                 }
 504                 mask[j] = (mask_os[j] >> 6) & 0x3F;
 505                 /* Set bit 0-5 to zero */
 506                 mask[0] &= 0xC0;
 507
 508                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 509                               "mask to hw\n", mask, mask_len);
 510                 for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
 511                         rtl_pattern.mask[j] = mask[j * 4];
 512                         rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
 513                         rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
 514                         rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
 515                 }
 516
 517                 /* To get the wake up pattern from the mask.
 518                  * We do not count first 12 bits which means
 519                  * DA[6] and SA[6] in the pattern to match HW design.
 520                  */
 521                 len = 0;
 522                 for (j = 12; j < patterns[i].pattern_len; j++) {
 523                         if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
 524                                 content[len] = pattern_os[j];
 525                                 len++;
 526                         }
 527                 }
 528
 529                 RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 530                               "pattern to hw\n", content, len);
 531                 /* 3. calculate crc */
 532                 rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
 533                 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
 534                          "CRC_Remainder = 0x%x\n", rtl_pattern.crc);
 535
 536                 /* 4. write crc & mask_for_hw to hw */
 537                 rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
 538         }
 539         rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
 540 }
 541
 542 static int rtl_op_suspend(struct ieee80211_hw *hw,
 543                           struct cfg80211_wowlan *wow)
 544 {
 545         struct rtl_priv *rtlpriv = rtl_priv(hw);
 546         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 547         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 548         struct timeval ts;
 549
 550         RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 551         if (WARN_ON(!wow))
 552                 return -EINVAL;
 553
 554         /* to resolve s4 can not wake up*/
 555         do_gettimeofday(&ts);
 556         rtlhal->last_suspend_sec = ts.tv_sec;
 557
 558         if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
 559                 _rtl_add_wowlan_patterns(hw, wow);
 560
 561         rtlhal->driver_is_goingto_unload = true;
 562         rtlhal->enter_pnp_sleep = true;
 563
 564         rtl_lps_leave(hw);
 565         rtl_op_stop(hw);
 566         device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
 567         return 0;
 568 }
 569
 570 static int rtl_op_resume(struct ieee80211_hw *hw)
 571 {
 572         struct rtl_priv *rtlpriv = rtl_priv(hw);
 573         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 574         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 575         struct timeval ts;
 576
 577         RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 578         rtlhal->driver_is_goingto_unload = false;
 579         rtlhal->enter_pnp_sleep = false;
 580         rtlhal->wake_from_pnp_sleep = true;
 581
 582         /* to resovle s4 can not wake up*/
 583         do_gettimeofday(&ts);
 584         if (ts.tv_sec - rtlhal->last_suspend_sec < 5)
 585                 return -1;
 586
 587         rtl_op_start(hw);
 588         device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
 589         ieee80211_resume_disconnect(mac->vif);
 590         rtlhal->wake_from_pnp_sleep = false;
 591         return 0;
 592 }
 593 #endif
 594
 595 static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
 596 {
 597         struct rtl_priv *rtlpriv = rtl_priv(hw);
 598         struct rtl_phy *rtlphy = &rtlpriv->phy;
 599         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 600         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 601         struct ieee80211_conf *conf = &hw->conf;
 602
 603         if (mac->skip_scan)
 604                 return 1;
 605
 606         mutex_lock(&rtlpriv->locks.conf_mutex);
 607         if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {  /* BIT(2)*/
 608                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 609                          "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
 610         }
 611
 612         /*For IPS */
 613         if (changed & IEEE80211_CONF_CHANGE_IDLE) {
 614                 if (hw->conf.flags & IEEE80211_CONF_IDLE)
 615                         rtl_ips_nic_off(hw);
 616                 else
 617                         rtl_ips_nic_on(hw);
 618         } else {
 619                 /*
 620                  *although rfoff may not cause by ips, but we will
 621                  *check the reason in set_rf_power_state function
 622                  */
 623                 if (unlikely(ppsc->rfpwr_state == ERFOFF))
 624                         rtl_ips_nic_on(hw);
 625         }
 626
 627         /*For LPS */
 628         if ((changed & IEEE80211_CONF_CHANGE_PS) &&
 629             rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) {
 630                 cancel_delayed_work(&rtlpriv->works.ps_work);
 631                 cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 632                 if (conf->flags & IEEE80211_CONF_PS) {
 633                         rtlpriv->psc.sw_ps_enabled = true;
 634                         /* sleep here is must, or we may recv the beacon and
 635                          * cause mac80211 into wrong ps state, this will cause
 636                          * power save nullfunc send fail, and further cause
 637                          * pkt loss, So sleep must quickly but not immediately
 638                          * because that will cause nullfunc send by mac80211
 639                          * fail, and cause pkt loss, we have tested that 5mA
 640                          * works very well
 641                          */
 642                         if (!rtlpriv->psc.multi_buffered)
 643                                 queue_delayed_work(rtlpriv->works.rtl_wq,
 644                                                    &rtlpriv->works.ps_work,
 645                                                    MSECS(5));
 646                 } else {
 647                         rtl_swlps_rf_awake(hw);
 648                         rtlpriv->psc.sw_ps_enabled = false;
 649                 }
 650         }
 651
 652         if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
 653                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 654                          "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
 655                          hw->conf.long_frame_max_tx_count);
 656                 /* brought up everything changes (changed == ~0) indicates first
 657                  * open, so use our default value instead of that of wiphy.
 658                  */
 659                 if (changed != ~0) {
 660                         mac->retry_long = hw->conf.long_frame_max_tx_count;
 661                         mac->retry_short = hw->conf.long_frame_max_tx_count;
 662                         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 663                                 (u8 *)(&hw->conf.long_frame_max_tx_count));
 664                 }
 665         }
 666
 667         if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
 668             !rtlpriv->proximity.proxim_on) {
 669                 struct ieee80211_channel *channel = hw->conf.chandef.chan;
 670                 enum nl80211_chan_width width = hw->conf.chandef.width;
 671                 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
 672                 u8 wide_chan = (u8)channel->hw_value;
 673
 674                 /* channel_type is for 20&40M */
 675                 if (width < NL80211_CHAN_WIDTH_80)
 676                         channel_type =
 677                                 cfg80211_get_chandef_type(&hw->conf.chandef);
 678                 if (mac->act_scanning)
 679                         mac->n_channels++;
 680
 681                 if (rtlpriv->dm.supp_phymode_switch &&
 682                     mac->link_state < MAC80211_LINKED &&
 683                     !mac->act_scanning) {
 684                         if (rtlpriv->cfg->ops->chk_switch_dmdp)
 685                                 rtlpriv->cfg->ops->chk_switch_dmdp(hw);
 686                 }
 687
 688                 /*
 689                  *because we should back channel to
 690                  *current_network.chan in in scanning,
 691                  *So if set_chan == current_network.chan
 692                  *we should set it.
 693                  *because mac80211 tell us wrong bw40
 694                  *info for cisco1253 bw20, so we modify
 695                  *it here based on UPPER & LOWER
 696                  */
 697
 698                 if (width >= NL80211_CHAN_WIDTH_80) {
 699                         if (width == NL80211_CHAN_WIDTH_80) {
 700                                 u32 center = hw->conf.chandef.center_freq1;
 701                                 u32 primary =
 702                                 (u32)hw->conf.chandef.chan->center_freq;
 703
 704                                 rtlphy->current_chan_bw =
 705                                         HT_CHANNEL_WIDTH_80;
 706                                 mac->bw_80 = true;
 707                                 mac->bw_40 = true;
 708                                 if (center > primary) {
 709                                         mac->cur_80_prime_sc =
 710                                         PRIME_CHNL_OFFSET_LOWER;
 711                                         if (center - primary == 10) {
 712                                                 mac->cur_40_prime_sc =
 713                                                 PRIME_CHNL_OFFSET_UPPER;
 714
 715                                                 wide_chan += 2;
 716                                         } else if (center - primary == 30) {
 717                                                 mac->cur_40_prime_sc =
 718                                                 PRIME_CHNL_OFFSET_LOWER;
 719
 720                                                 wide_chan += 6;
 721                                         }
 722                                 } else {
 723                                         mac->cur_80_prime_sc =
 724                                         PRIME_CHNL_OFFSET_UPPER;
 725                                         if (primary - center == 10) {
 726                                                 mac->cur_40_prime_sc =
 727                                                 PRIME_CHNL_OFFSET_LOWER;
 728
 729                                                 wide_chan -= 2;
 730                                         } else if (primary - center == 30) {
 731                                                 mac->cur_40_prime_sc =
 732                                                 PRIME_CHNL_OFFSET_UPPER;
 733
 734                                                 wide_chan -= 6;
 735                                         }
 736                                 }
 737                         }
 738                 } else {
 739                         switch (channel_type) {
 740                         case NL80211_CHAN_HT20:
 741                         case NL80211_CHAN_NO_HT:
 742                                         /* SC */
 743                                         mac->cur_40_prime_sc =
 744                                                 PRIME_CHNL_OFFSET_DONT_CARE;
 745                                         rtlphy->current_chan_bw =
 746                                                 HT_CHANNEL_WIDTH_20;
 747                                         mac->bw_40 = false;
 748                                         mac->bw_80 = false;
 749                                         break;
 750                         case NL80211_CHAN_HT40MINUS:
 751                                         /* SC */
 752                                         mac->cur_40_prime_sc =
 753                                                 PRIME_CHNL_OFFSET_UPPER;
 754                                         rtlphy->current_chan_bw =
 755                                                 HT_CHANNEL_WIDTH_20_40;
 756                                         mac->bw_40 = true;
 757                                         mac->bw_80 = false;
 758
 759                                         /*wide channel */
 760                                         wide_chan -= 2;
 761
 762                                         break;
 763                         case NL80211_CHAN_HT40PLUS:
 764                                         /* SC */
 765                                         mac->cur_40_prime_sc =
 766                                                 PRIME_CHNL_OFFSET_LOWER;
 767                                         rtlphy->current_chan_bw =
 768                                                 HT_CHANNEL_WIDTH_20_40;
 769                                         mac->bw_40 = true;
 770                                         mac->bw_80 = false;
 771
 772                                         /*wide channel */
 773                                         wide_chan += 2;
 774
 775                                         break;
 776                         default:
 777                                         mac->bw_40 = false;
 778                                         mac->bw_80 = false;
 779                                         pr_err("switch case %#x not processed\n",
 780                                                channel_type);
 781                                         break;
 782                         }
 783                 }
 784
 785                 if (wide_chan <= 0)
 786                         wide_chan = 1;
 787
 788                 /* In scanning, when before we offchannel we may send a ps=1
 789                  * null to AP, and then we may send a ps = 0 null to AP quickly,
 790                  * but first null may have caused AP to put lots of packet to
 791                  * hw tx buffer. These packets must be tx'd before we go off
 792                  * channel so we must delay more time to let AP flush these
 793                  * packets before going offchannel, or dis-association or
 794                  * delete BA will be caused by AP
 795                  */
 796                 if (rtlpriv->mac80211.offchan_delay) {
 797                         rtlpriv->mac80211.offchan_delay = false;
 798                         mdelay(50);
 799                 }
 800
 801                 rtlphy->current_channel = wide_chan;
 802
 803                 rtlpriv->cfg->ops->switch_channel(hw);
 804                 rtlpriv->cfg->ops->set_channel_access(hw);
 805                 rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
 806         }
 807
 808         mutex_unlock(&rtlpriv->locks.conf_mutex);
 809
 810         return 0;
 811 }
 812
 813 static void rtl_op_configure_filter(struct ieee80211_hw *hw,
 814                                     unsigned int changed_flags,
 815                                     unsigned int *new_flags, u64 multicast)
 816 {
 817         bool update_rcr = false;
 818         struct rtl_priv *rtlpriv = rtl_priv(hw);
 819         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 820
 821         *new_flags &= RTL_SUPPORTED_FILTERS;
 822         if (changed_flags == 0)
 823                 return;
 824
 825         /*TODO: we disable broadcase now, so enable here */
 826         if (changed_flags & FIF_ALLMULTI) {
 827                 if (*new_flags & FIF_ALLMULTI) {
 828                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
 829                             rtlpriv->cfg->maps[MAC_RCR_AB];
 830                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 831                                  "Enable receive multicast frame\n");
 832                 } else {
 833                         mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
 834                                           rtlpriv->cfg->maps[MAC_RCR_AB]);
 835                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 836                                  "Disable receive multicast frame\n");
 837                 }
 838                 update_rcr = true;
 839         }
 840
 841         if (changed_flags & FIF_FCSFAIL) {
 842                 if (*new_flags & FIF_FCSFAIL) {
 843                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 844                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 845                                  "Enable receive FCS error frame\n");
 846                 } else {
 847                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 848                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 849                                  "Disable receive FCS error frame\n");
 850                 }
 851                 if (!update_rcr)
 852                         update_rcr = true;
 853         }
 854
 855         /* if ssid not set to hw don't check bssid
 856          * here just used for linked scanning, & linked
 857          * and nolink check bssid is set in set network_type
 858          */
 859         if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
 860             (mac->link_state >= MAC80211_LINKED)) {
 861                 if (mac->opmode != NL80211_IFTYPE_AP &&
 862                     mac->opmode != NL80211_IFTYPE_MESH_POINT) {
 863                         if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
 864                                 rtlpriv->cfg->ops->set_chk_bssid(hw, false);
 865                         else
 866                                 rtlpriv->cfg->ops->set_chk_bssid(hw, true);
 867                         if (update_rcr)
 868                                 update_rcr = false;
 869                 }
 870         }
 871
 872         if (changed_flags & FIF_CONTROL) {
 873                 if (*new_flags & FIF_CONTROL) {
 874                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
 875
 876                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 877                                  "Enable receive control frame.\n");
 878                 } else {
 879                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
 880                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 881                                  "Disable receive control frame.\n");
 882                 }
 883                 if (!update_rcr)
 884                         update_rcr = true;
 885         }
 886
 887         if (changed_flags & FIF_OTHER_BSS) {
 888                 if (*new_flags & FIF_OTHER_BSS) {
 889                         mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
 890                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 891                                  "Enable receive other BSS's frame.\n");
 892                 } else {
 893                         mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
 894                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
 895                                  "Disable receive other BSS's frame.\n");
 896                 }
 897                 if (!update_rcr)
 898                         update_rcr = true;
 899         }
 900
 901         if (update_rcr)
 902                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
 903                                               (u8 *)(&mac->rx_conf));
 904 }
 905
 906 static int rtl_op_sta_add(struct ieee80211_hw *hw,
 907                           struct ieee80211_vif *vif,
 908                           struct ieee80211_sta *sta)
 909 {
 910         struct rtl_priv *rtlpriv = rtl_priv(hw);
 911         struct rtl_phy *rtlphy = &rtlpriv->phy;
 912         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 913         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 914         struct rtl_sta_info *sta_entry;
 915
 916         if (sta) {
 917                 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 918                 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 919                 list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
 920                 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 921                 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 922                         sta_entry->wireless_mode = WIRELESS_MODE_G;
 923                         if (sta->supp_rates[0] <= 0xf)
 924                                 sta_entry->wireless_mode = WIRELESS_MODE_B;
 925                         if (sta->ht_cap.ht_supported)
 926                                 sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
 927
 928                         if (vif->type == NL80211_IFTYPE_ADHOC)
 929                                 sta_entry->wireless_mode = WIRELESS_MODE_G;
 930                 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
 931                         sta_entry->wireless_mode = WIRELESS_MODE_A;
 932                         if (sta->ht_cap.ht_supported)
 933                                 sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
 934                         if (sta->vht_cap.vht_supported)
 935                                 sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
 936
 937                         if (vif->type == NL80211_IFTYPE_ADHOC)
 938                                 sta_entry->wireless_mode = WIRELESS_MODE_A;
 939                 }
 940                 /*disable cck rate for p2p*/
 941                 if (mac->p2p)
 942                         sta->supp_rates[0] &= 0xfffffff0;
 943
 944                 if (sta->ht_cap.ht_supported) {
 945                         if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
 946                                 rtlphy->max_ht_chan_bw = HT_CHANNEL_WIDTH_20_40;
 947                         else
 948                                 rtlphy->max_ht_chan_bw = HT_CHANNEL_WIDTH_20;
 949                 }
 950
 951                 if (sta->vht_cap.vht_supported)
 952                         rtlphy->max_vht_chan_bw = HT_CHANNEL_WIDTH_80;
 953
 954                 memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
 955                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 956                          "Add sta addr is %pM\n", sta->addr);
 957                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true);
 958
 959                 if (rtlpriv->phydm.ops)
 960                         rtlpriv->phydm.ops->phydm_add_sta(rtlpriv, sta);
 961         }
 962
 963         return 0;
 964 }
 965
 966 static int rtl_op_sta_remove(struct ieee80211_hw *hw,
 967                              struct ieee80211_vif *vif,
 968                              struct ieee80211_sta *sta)
 969 {
 970         struct rtl_priv *rtlpriv = rtl_priv(hw);
 971         struct rtl_sta_info *sta_entry;
 972
 973         if (sta) {
 974                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 975                          "Remove sta addr is %pM\n", sta->addr);
 976
 977                 if (rtlpriv->phydm.ops)
 978                         rtlpriv->phydm.ops->phydm_del_sta(rtlpriv, sta);
 979
 980                 sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 981                 sta_entry->wireless_mode = 0;
 982                 sta_entry->ratr_index = 0;
 983                 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 984                 list_del(&sta_entry->list);
 985                 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 986         }
 987         return 0;
 988 }
 989
 990 static int _rtl_get_hal_qnum(u16 queue)
 991 {
 992         int qnum;
 993
 994         switch (queue) {
 995         case 0:
 996                 qnum = AC3_VO;
 997                 break;
 998         case 1:
 999                 qnum = AC2_VI;
1000                 break;
1001         case 2:
1002                 qnum = AC0_BE;
1003                 break;
1004         case 3:
1005                 qnum = AC1_BK;
1006                 break;
1007         default:
1008                 qnum = AC0_BE;
1009                 break;
1010         }
1011         return qnum;
1012 }
1013
1014 static void rtl_op_sta_statistics(struct ieee80211_hw *hw,
1015                                   struct ieee80211_vif *vif,
1016                                   struct ieee80211_sta *sta,
1017                                   struct station_info *sinfo)
1018 {
1019         /* nothing filled by driver, so mac80211 will update all info */
1020         sinfo->filled = 0;
1021 }
1022
1023 static int rtl_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
1024 {
1025         return -EOPNOTSUPP;
1026 }
1027
1028 /*
1029  *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
1030  *for rtl819x  BE = 0, BK = 1, VI = 2, VO = 3
1031  */
1032 static int rtl_op_conf_tx(struct ieee80211_hw *hw,
1033                           struct ieee80211_vif *vif, u16 queue,
1034                           const struct ieee80211_tx_queue_params *param)
1035 {
1036         struct rtl_priv *rtlpriv = rtl_priv(hw);
1037         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1038         int aci;
1039
1040         if (queue >= AC_MAX) {
1041                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1042                          "queue number %d is incorrect!\n", queue);
1043                 return -EINVAL;
1044         }
1045
1046         aci = _rtl_get_hal_qnum(queue);
1047         mac->ac[aci].aifs = param->aifs;
1048         mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
1049         mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1050         mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1051         memcpy(&mac->edca_param[aci], param, sizeof(*param));
1052         rtlpriv->cfg->ops->set_qos(hw, aci);
1053         return 0;
1054 }
1055
1056 static void send_beacon_frame(struct ieee80211_hw *hw,
1057                               struct ieee80211_vif *vif)
1058 {
1059         struct rtl_priv *rtlpriv = rtl_priv(hw);
1060         struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
1061         struct rtl_tcb_desc tcb_desc;
1062
1063         if (skb) {
1064                 memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1065                 rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1066         }
1067 }
1068
1069 static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1070                                     struct ieee80211_vif *vif,
1071                                     struct ieee80211_bss_conf *bss_conf,
1072                                     u32 changed)
1073 {
1074         struct rtl_priv *rtlpriv = rtl_priv(hw);
1075         struct rtl_phy *rtlphy = &rtlpriv->phy;
1076         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1077         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1078         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1079
1080         mutex_lock(&rtlpriv->locks.conf_mutex);
1081         if ((vif->type == NL80211_IFTYPE_ADHOC) ||
1082             (vif->type == NL80211_IFTYPE_AP) ||
1083             (vif->type == NL80211_IFTYPE_MESH_POINT)) {
1084                 if ((changed & BSS_CHANGED_BEACON) ||
1085                     (changed & BSS_CHANGED_BEACON_ENABLED &&
1086                      bss_conf->enable_beacon)) {
1087                         if (mac->beacon_enabled == 0) {
1088                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1089                                          "BSS_CHANGED_BEACON_ENABLED\n");
1090
1091                                 /*start hw beacon interrupt. */
1092                                 /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1093                                 mac->beacon_enabled = 1;
1094                                 rtlpriv->cfg->ops->update_interrupt_mask(hw,
1095                                                 rtlpriv->cfg->maps
1096                                                 [RTL_IBSS_INT_MASKS], 0);
1097
1098                                 if (rtlpriv->cfg->ops->linked_set_reg)
1099                                         rtlpriv->cfg->ops->linked_set_reg(hw);
1100                                 send_beacon_frame(hw, vif);
1101                         }
1102                 }
1103                 if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1104                      !bss_conf->enable_beacon)) {
1105                         if (mac->beacon_enabled == 1) {
1106                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1107                                          "ADHOC DISABLE BEACON\n");
1108
1109                                 mac->beacon_enabled = 0;
1110                                 rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1111                                                 rtlpriv->cfg->maps
1112                                                 [RTL_IBSS_INT_MASKS]);
1113                         }
1114                 }
1115                 if (changed & BSS_CHANGED_BEACON_INT) {
1116                         RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE,
1117                                  "BSS_CHANGED_BEACON_INT\n");
1118                         mac->beacon_interval = bss_conf->beacon_int;
1119                         rtlpriv->cfg->ops->set_bcn_intv(hw);
1120                 }
1121         }
1122
1123         /*TODO: reference to enum ieee80211_bss_change */
1124         if (changed & BSS_CHANGED_ASSOC) {
1125                 u8 mstatus;
1126
1127                 if (bss_conf->assoc) {
1128                         struct ieee80211_sta *sta = NULL;
1129                         u8 keep_alive = 10;
1130
1131                         mstatus = RT_MEDIA_CONNECT;
1132                         /* we should reset all sec info & cam
1133                          * before set cam after linked, we should not
1134                          * reset in disassoc, that will cause tkip->wep
1135                          * fail because some flag will be wrong
1136                          * reset sec info
1137                          */
1138                         rtl_cam_reset_sec_info(hw);
1139                         /* reset cam to fix wep fail issue
1140                          * when change from wpa to wep
1141                          */
1142                         rtl_cam_reset_all_entry(hw);
1143
1144                         mac->link_state = MAC80211_LINKED;
1145                         mac->cnt_after_linked = 0;
1146                         mac->assoc_id = bss_conf->aid;
1147                         memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1148
1149                         if (rtlpriv->cfg->ops->linked_set_reg)
1150                                 rtlpriv->cfg->ops->linked_set_reg(hw);
1151
1152                         rcu_read_lock();
1153                         sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1154                         if (!sta) {
1155                                 rcu_read_unlock();
1156                                 goto out;
1157                         }
1158                         RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1159                                  "send PS STATIC frame\n");
1160                         if (rtlpriv->dm.supp_phymode_switch) {
1161                                 if (sta->ht_cap.ht_supported)
1162                                         rtl_send_smps_action(hw, sta,
1163                                                         IEEE80211_SMPS_STATIC);
1164                         }
1165
1166                         if (rtlhal->current_bandtype == BAND_ON_5G) {
1167                                 mac->mode = WIRELESS_MODE_A;
1168                         } else {
1169                                 if (sta->supp_rates[0] <= 0xf)
1170                                         mac->mode = WIRELESS_MODE_B;
1171                                 else
1172                                         mac->mode = WIRELESS_MODE_G;
1173                         }
1174
1175                         if (sta->ht_cap.ht_supported) {
1176                                 if (rtlhal->current_bandtype == BAND_ON_2_4G)
1177                                         mac->mode = WIRELESS_MODE_N_24G;
1178                                 else
1179                                         mac->mode = WIRELESS_MODE_N_5G;
1180                         }
1181
1182                         if (sta->vht_cap.vht_supported) {
1183                                 if (rtlhal->current_bandtype == BAND_ON_5G)
1184                                         mac->mode = WIRELESS_MODE_AC_5G;
1185                                 else
1186                                         mac->mode = WIRELESS_MODE_AC_24G;
1187                         }
1188
1189                         if (vif->type == NL80211_IFTYPE_STATION)
1190                                 rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0,
1191                                                                    true);
1192                         rcu_read_unlock();
1193
1194                         /* to avoid AP Disassociation caused by inactivity */
1195                         rtlpriv->cfg->ops->set_hw_reg(hw,
1196                                                       HW_VAR_KEEP_ALIVE,
1197                                                       (u8 *)(&keep_alive));
1198
1199                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1200                                  "BSS_CHANGED_ASSOC\n");
1201                 } else {
1202                         struct cfg80211_bss *bss = NULL;
1203
1204                         mstatus = RT_MEDIA_DISCONNECT;
1205
1206                         if (mac->link_state == MAC80211_LINKED)
1207                                 rtl_lps_leave(hw);
1208                         if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1209                                 rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1210                         mac->link_state = MAC80211_NOLINK;
1211
1212                         bss = cfg80211_get_bss(hw->wiphy, NULL,
1213                                                (u8 *)mac->bssid, NULL, 0,
1214                                                IEEE80211_BSS_TYPE_ESS,
1215                                                IEEE80211_PRIVACY_OFF);
1216
1217                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1218                                  "bssid = %x-%x-%x-%x-%x-%x\n",
1219                                  mac->bssid[0], mac->bssid[1],
1220                                  mac->bssid[2], mac->bssid[3],
1221                                  mac->bssid[4], mac->bssid[5]);
1222
1223                         if (bss) {
1224                                 cfg80211_unlink_bss(hw->wiphy, bss);
1225                                 cfg80211_put_bss(hw->wiphy, bss);
1226                                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1227                                         "cfg80211_unlink !!\n");
1228                         }
1229
1230                         eth_zero_addr(mac->bssid);
1231                         mac->vendor = PEER_UNKNOWN;
1232                         mac->mode = 0;
1233
1234                         if (rtlpriv->dm.supp_phymode_switch) {
1235                                 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1236                                         rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1237                         }
1238                         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1239                                  "BSS_CHANGED_UN_ASSOC\n");
1240                 }
1241                 rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1242                 /* For FW LPS:
1243                  * To tell firmware we have connected or disconnected
1244                  */
1245                 rtlpriv->cfg->ops->set_hw_reg(hw,
1246                                               HW_VAR_H2C_FW_JOINBSSRPT,
1247                                               (u8 *)(&mstatus));
1248                 ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1249                                       true : false;
1250
1251                 if (rtlpriv->cfg->ops->get_btc_status())
1252                         rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1253                                                         rtlpriv, mstatus);
1254         }
1255
1256         if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1257                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1258                          "BSS_CHANGED_ERP_CTS_PROT\n");
1259                 mac->use_cts_protect = bss_conf->use_cts_prot;
1260         }
1261
1262         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1263                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
1264                          "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1265                           bss_conf->use_short_preamble);
1266
1267                 mac->short_preamble = bss_conf->use_short_preamble;
1268                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1269                                               (u8 *)(&mac->short_preamble));
1270         }
1271
1272         if (changed & BSS_CHANGED_ERP_SLOT) {
1273                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1274                          "BSS_CHANGED_ERP_SLOT\n");
1275
1276                 if (bss_conf->use_short_slot)
1277                         mac->slot_time = RTL_SLOT_TIME_9;
1278                 else
1279                         mac->slot_time = RTL_SLOT_TIME_20;
1280
1281                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1282                                               (u8 *)(&mac->slot_time));
1283         }
1284
1285         if (changed & BSS_CHANGED_HT) {
1286                 struct ieee80211_sta *sta = NULL;
1287
1288                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1289                          "BSS_CHANGED_HT\n");
1290
1291                 rcu_read_lock();
1292                 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1293                 if (sta) {
1294                         if (sta->ht_cap.ampdu_density >
1295                             mac->current_ampdu_density)
1296                                 mac->current_ampdu_density =
1297                                     sta->ht_cap.ampdu_density;
1298                         if (sta->ht_cap.ampdu_factor <
1299                             mac->current_ampdu_factor)
1300                                 mac->current_ampdu_factor =
1301                                     sta->ht_cap.ampdu_factor;
1302
1303                         if (sta->ht_cap.ht_supported) {
1304                                 if (sta->ht_cap.cap &
1305                                     IEEE80211_HT_CAP_SUP_WIDTH_20_40)
1306                                         rtlphy->max_ht_chan_bw =
1307                                                         HT_CHANNEL_WIDTH_20_40;
1308                                 else
1309                                         rtlphy->max_ht_chan_bw =
1310                                                         HT_CHANNEL_WIDTH_20;
1311                         }
1312                 }
1313                 rcu_read_unlock();
1314
1315                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1316                                               (u8 *)(&mac->max_mss_density));
1317                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1318                                               &mac->current_ampdu_factor);
1319                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1320                                               &mac->current_ampdu_density);
1321         }
1322
1323         if (changed & BSS_CHANGED_BANDWIDTH) {
1324                 struct ieee80211_sta *sta = NULL;
1325
1326                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1327                          "BSS_CHANGED_BANDWIDTH\n");
1328
1329                 rcu_read_lock();
1330                 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1331
1332                 if (sta) {
1333                         if (sta->ht_cap.ht_supported) {
1334                                 if (sta->ht_cap.cap &
1335                                     IEEE80211_HT_CAP_SUP_WIDTH_20_40)
1336                                         rtlphy->max_ht_chan_bw =
1337                                                         HT_CHANNEL_WIDTH_20_40;
1338                                 else
1339                                         rtlphy->max_ht_chan_bw =
1340                                                         HT_CHANNEL_WIDTH_20;
1341                         }
1342
1343                         if (sta->vht_cap.vht_supported)
1344                                 rtlphy->max_vht_chan_bw = HT_CHANNEL_WIDTH_80;
1345                 }
1346                 rcu_read_unlock();
1347         }
1348
1349         if (changed & BSS_CHANGED_BSSID) {
1350                 u32 basic_rates;
1351                 struct ieee80211_sta *sta = NULL;
1352
1353                 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1354                                               (u8 *)bss_conf->bssid);
1355
1356                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
1357                          "bssid: %pM\n", bss_conf->bssid);
1358
1359                 mac->vendor = PEER_UNKNOWN;
1360                 memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1361
1362                 rcu_read_lock();
1363                 sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1364                 if (!sta) {
1365                         rcu_read_unlock();
1366                         goto out;
1367                 }
1368
1369                 if (rtlhal->current_bandtype == BAND_ON_5G) {
1370                         mac->mode = WIRELESS_MODE_A;
1371                 } else {
1372                         if (sta->supp_rates[0] <= 0xf)
1373                                 mac->mode = WIRELESS_MODE_B;
1374                         else
1375                                 mac->mode = WIRELESS_MODE_G;
1376                 }
1377
1378                 if (sta->ht_cap.ht_supported) {
1379                         if (rtlhal->current_bandtype == BAND_ON_2_4G)
1380                                 mac->mode = WIRELESS_MODE_N_24G;
1381                         else
1382                                 mac->mode = WIRELESS_MODE_N_5G;
1383                 }
1384
1385                 if (sta->vht_cap.vht_supported) {
1386                         if (rtlhal->current_bandtype == BAND_ON_5G)
1387                                 mac->mode = WIRELESS_MODE_AC_5G;
1388                         else
1389                                 mac->mode = WIRELESS_MODE_AC_24G;
1390                 }
1391
1392                 /* just station need it, because ibss & ap mode will
1393                  * set in sta_add, and will be NULL here
1394                  */
1395                 if (vif->type == NL80211_IFTYPE_STATION) {
1396                         struct rtl_sta_info *sta_entry;
1397
1398                         sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1399                         sta_entry->wireless_mode = mac->mode;
1400                 }
1401
1402                 if (sta->ht_cap.ht_supported) {
1403                         mac->ht_enable = true;
1404
1405                         /* for cisco 1252 bw20 it's wrong
1406                          * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1407                          *      mac->bw_40 = true;
1408                          * }
1409                          */
1410                 }
1411
1412                 if (sta->vht_cap.vht_supported)
1413                         mac->vht_enable = true;
1414
1415                 if (changed & BSS_CHANGED_BASIC_RATES) {
1416                         /* for 5G must << RATE_6M_INDEX = 4,
1417                          * because 5G have no cck rate
1418                          */
1419                         if (rtlhal->current_bandtype == BAND_ON_5G)
1420                                 basic_rates = sta->supp_rates[1] << 4;
1421                         else
1422                                 basic_rates = sta->supp_rates[0];
1423
1424                         mac->basic_rates = basic_rates;
1425                         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1426                                         (u8 *)(&basic_rates));
1427                 }
1428                 rcu_read_unlock();
1429         }
1430 out:
1431         mutex_unlock(&rtlpriv->locks.conf_mutex);
1432 }
1433
1434 static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1435 {
1436         struct rtl_priv *rtlpriv = rtl_priv(hw);
1437         u64 tsf;
1438
1439         rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1440         return tsf;
1441 }
1442
1443 static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1444                            struct ieee80211_vif *vif, u64 tsf)
1445 {
1446         struct rtl_priv *rtlpriv = rtl_priv(hw);
1447         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1448         u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1449
1450         mac->tsf = tsf;
1451         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1452 }
1453
1454 static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1455 {
1456         struct rtl_priv *rtlpriv = rtl_priv(hw);
1457         u8 tmp = 0;
1458
1459         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1460 }
1461
1462 static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1463                               struct ieee80211_vif *vif,
1464                               enum sta_notify_cmd cmd,
1465                               struct ieee80211_sta *sta)
1466 {
1467         switch (cmd) {
1468         case STA_NOTIFY_SLEEP:
1469                 break;
1470         case STA_NOTIFY_AWAKE:
1471                 break;
1472         default:
1473                 break;
1474         }
1475 }
1476
1477 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1478                                struct ieee80211_vif *vif,
1479                                struct ieee80211_ampdu_params *params)
1480 {
1481         struct rtl_priv *rtlpriv = rtl_priv(hw);
1482         struct ieee80211_sta *sta = params->sta;
1483         enum ieee80211_ampdu_mlme_action action = params->action;
1484         u16 tid = params->tid;
1485         u16 *ssn = &params->ssn;
1486
1487         switch (action) {
1488         case IEEE80211_AMPDU_TX_START:
1489                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1490                          "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1491                 return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1492         case IEEE80211_AMPDU_TX_STOP_CONT:
1493         case IEEE80211_AMPDU_TX_STOP_FLUSH:
1494         case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1495                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1496                          "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1497                 return rtl_tx_agg_stop(hw, vif, sta, tid);
1498         case IEEE80211_AMPDU_TX_OPERATIONAL:
1499                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1500                          "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1501                 rtl_tx_agg_oper(hw, sta, tid);
1502                 break;
1503         case IEEE80211_AMPDU_RX_START:
1504                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1505                          "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1506                 return rtl_rx_agg_start(hw, sta, tid);
1507         case IEEE80211_AMPDU_RX_STOP:
1508                 RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
1509                          "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1510                 return rtl_rx_agg_stop(hw, sta, tid);
1511         default:
1512                 pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
1513                 return -EOPNOTSUPP;
1514         }
1515         return 0;
1516 }
1517
1518 static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1519                                  struct ieee80211_vif *vif,
1520                                  const u8 *mac_addr)
1521 {
1522         struct rtl_priv *rtlpriv = rtl_priv(hw);
1523         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1524
1525         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1526         mac->act_scanning = true;
1527         if (rtlpriv->link_info.higher_busytraffic) {
1528                 mac->skip_scan = true;
1529                 return;
1530         }
1531
1532         if (rtlpriv->phydm.ops)
1533                 rtlpriv->phydm.ops->phydm_pause_dig(rtlpriv, 1);
1534
1535         if (rtlpriv->cfg->ops->get_btc_status())
1536                 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1537         else if (rtlpriv->btcoexist.btc_ops)
1538                 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1539                                                                       1);
1540
1541         if (rtlpriv->dm.supp_phymode_switch) {
1542                 if (rtlpriv->cfg->ops->chk_switch_dmdp)
1543                         rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1544         }
1545
1546         if (mac->link_state == MAC80211_LINKED) {
1547                 rtl_lps_leave(hw);
1548                 mac->link_state = MAC80211_LINKED_SCANNING;
1549         } else {
1550                 rtl_ips_nic_on(hw);
1551         }
1552
1553         /* Dul mac */
1554         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1555
1556         rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1557         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1558 }
1559
1560 static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1561                                     struct ieee80211_vif *vif)
1562 {
1563         struct rtl_priv *rtlpriv = rtl_priv(hw);
1564         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1565
1566         RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1567         mac->act_scanning = false;
1568         mac->skip_scan = false;
1569
1570         rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1571
1572         if (rtlpriv->link_info.higher_busytraffic)
1573                 return;
1574
1575         /* p2p will use 1/6/11 to scan */
1576         if (mac->n_channels == 3)
1577                 mac->p2p_in_use = true;
1578         else
1579                 mac->p2p_in_use = false;
1580         mac->n_channels = 0;
1581         /* Dul mac */
1582         rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1583
1584         if (mac->link_state == MAC80211_LINKED_SCANNING) {
1585                 mac->link_state = MAC80211_LINKED;
1586                 if (mac->opmode == NL80211_IFTYPE_STATION) {
1587                         /* fix fwlps issue */
1588                         rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1589                 }
1590         }
1591
1592         rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1593         if (rtlpriv->cfg->ops->get_btc_status())
1594                 rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1595         else if (rtlpriv->btcoexist.btc_ops)
1596                 rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1597                                                                       0);
1598
1599         if (rtlpriv->phydm.ops)
1600                 rtlpriv->phydm.ops->phydm_pause_dig(rtlpriv, 0);
1601 }
1602
1603 static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1604                           struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1605                           struct ieee80211_key_conf *key)
1606 {
1607         struct rtl_priv *rtlpriv = rtl_priv(hw);
1608         u8 key_type = NO_ENCRYPTION;
1609         u8 key_idx;
1610         bool group_key = false;
1611         bool wep_only = false;
1612         int err = 0;
1613         u8 mac_addr[ETH_ALEN];
1614         u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1615
1616         rtlpriv->btcoexist.btc_info.in_4way = false;
1617
1618         if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1619                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1620                          "not open hw encryption\n");
1621                 return -ENOSPC; /*User disabled HW-crypto */
1622         }
1623         /* To support IBSS, use sw-crypto for GTK */
1624         if (((vif->type == NL80211_IFTYPE_ADHOC) ||
1625              (vif->type == NL80211_IFTYPE_MESH_POINT)) &&
1626             !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1627                 return -ENOSPC;
1628         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1629                  "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1630                   cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1631                   sta ? sta->addr : bcast_addr);
1632         rtlpriv->sec.being_setkey = true;
1633         rtl_ips_nic_on(hw);
1634         mutex_lock(&rtlpriv->locks.conf_mutex);
1635         /* <1> get encryption alg */
1636
1637         switch (key->cipher) {
1638         case WLAN_CIPHER_SUITE_WEP40:
1639                 key_type = WEP40_ENCRYPTION;
1640                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1641                 break;
1642         case WLAN_CIPHER_SUITE_WEP104:
1643                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1644                 key_type = WEP104_ENCRYPTION;
1645                 break;
1646         case WLAN_CIPHER_SUITE_TKIP:
1647                 key_type = TKIP_ENCRYPTION;
1648                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1649                 break;
1650         case WLAN_CIPHER_SUITE_CCMP:
1651                 key_type = AESCCMP_ENCRYPTION;
1652                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1653                 break;
1654         case WLAN_CIPHER_SUITE_AES_CMAC:
1655                 /* HW don't support CMAC encryption,
1656                  * use software CMAC encryption
1657                  */
1658                 key_type = AESCMAC_ENCRYPTION;
1659                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1660                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1661                          "HW don't support CMAC encryption, use software CMAC encryption\n");
1662                 err = -EOPNOTSUPP;
1663                 goto out_unlock;
1664         default:
1665                 pr_err("alg_err:%x!!!!:\n", key->cipher);
1666                 goto out_unlock;
1667         }
1668         if (key_type == WEP40_ENCRYPTION ||
1669             key_type == WEP104_ENCRYPTION ||
1670             vif->type == NL80211_IFTYPE_ADHOC)
1671                 rtlpriv->sec.use_defaultkey = true;
1672
1673         /* <2> get key_idx */
1674         key_idx = (u8)(key->keyidx);
1675         if (key_idx > 3)
1676                 goto out_unlock;
1677         /* <3> if pairwise key enable_hw_sec */
1678         group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1679
1680         /* wep always be group key, but there are two conditions:
1681          * 1) wep only: is just for wep enc, in this condition
1682          * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1683          * will be true & enable_hw_sec will be set when wep
1684          * ke setting.
1685          * 2) wep(group) + AES(pairwise): some AP like cisco
1686          * may use it, in this condition enable_hw_sec will not
1687          * be set when wep key setting.
1688          * we must reset sec_info after lingked before set key,
1689          * or some flag will be wrong
1690          */
1691         if (vif->type == NL80211_IFTYPE_AP ||
1692             vif->type == NL80211_IFTYPE_MESH_POINT) {
1693                 if (!group_key || key_type == WEP40_ENCRYPTION ||
1694                     key_type == WEP104_ENCRYPTION) {
1695                         if (group_key)
1696                                 wep_only = true;
1697                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1698                 }
1699         } else {
1700                 if ((!group_key) || (vif->type == NL80211_IFTYPE_ADHOC) ||
1701                     rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1702                         if (rtlpriv->sec.pairwise_enc_algorithm ==
1703                             NO_ENCRYPTION &&
1704                            (key_type == WEP40_ENCRYPTION ||
1705                             key_type == WEP104_ENCRYPTION))
1706                                 wep_only = true;
1707                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1708                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1709                                  "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1710                                  key_type);
1711                         rtlpriv->cfg->ops->enable_hw_sec(hw);
1712                 }
1713         }
1714         /* <4> set key based on cmd */
1715         switch (cmd) {
1716         case SET_KEY:
1717                 if (wep_only) {
1718                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1719                                  "set WEP(group/pairwise) key\n");
1720                         /* Pairwise key with an assigned MAC address. */
1721                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1722                         rtlpriv->sec.group_enc_algorithm = key_type;
1723                         /*set local buf about wep key. */
1724                         memcpy(rtlpriv->sec.key_buf[key_idx],
1725                                key->key, key->keylen);
1726                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1727                         eth_zero_addr(mac_addr);
1728                 } else if (group_key) { /* group key */
1729                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1730                                  "set group key\n");
1731                         /* group key */
1732                         rtlpriv->sec.group_enc_algorithm = key_type;
1733                         /*set local buf about group key. */
1734                         memcpy(rtlpriv->sec.key_buf[key_idx],
1735                                key->key, key->keylen);
1736                         rtlpriv->sec.key_len[key_idx] = key->keylen;
1737                         memcpy(mac_addr, bcast_addr, ETH_ALEN);
1738                 } else {        /* pairwise key */
1739                         RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1740                                  "set pairwise key\n");
1741                         if (!sta) {
1742                                 WARN_ONCE(true,
1743                                           "rtlwifi: pairwise key without mac_addr\n");
1744
1745                                 err = -EOPNOTSUPP;
1746                                 goto out_unlock;
1747                         }
1748                         /* Pairwise key with an assigned MAC address. */
1749                         rtlpriv->sec.pairwise_enc_algorithm = key_type;
1750                         /*set local buf about pairwise key. */
1751                         memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1752                                key->key, key->keylen);
1753                         rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1754                         rtlpriv->sec.pairwise_key =
1755                             rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1756                         memcpy(mac_addr, sta->addr, ETH_ALEN);
1757                 }
1758                 rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1759                                            group_key, key_type, wep_only,
1760                                            false);
1761                 /* <5> tell mac80211 do something: */
1762                 /*must use sw generate IV, or can not work !!!!. */
1763                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1764                 key->hw_key_idx = key_idx;
1765                 if (key_type == TKIP_ENCRYPTION)
1766                         key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1767                 /*use software CCMP encryption for management frames (MFP) */
1768                 if (key_type == AESCCMP_ENCRYPTION)
1769                         key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1770                 break;
1771         case DISABLE_KEY:
1772                 RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
1773                          "disable key delete one entry\n");
1774                 /*set local buf about wep key. */
1775                 if (vif->type == NL80211_IFTYPE_AP ||
1776                     vif->type == NL80211_IFTYPE_MESH_POINT) {
1777                         if (sta)
1778                                 rtl_cam_del_entry(hw, sta->addr);
1779                 }
1780                 memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1781                 rtlpriv->sec.key_len[key_idx] = 0;
1782                 eth_zero_addr(mac_addr);
1783                 /*
1784                  *mac80211 will delete entries one by one,
1785                  *so don't use rtl_cam_reset_all_entry
1786                  *or clear all entries here.
1787                  */
1788                 rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */
1789
1790                 rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1791                 break;
1792         default:
1793                 pr_err("cmd_err:%x!!!!:\n", cmd);
1794         }
1795 out_unlock:
1796         mutex_unlock(&rtlpriv->locks.conf_mutex);
1797         rtlpriv->sec.being_setkey = false;
1798         return err;
1799 }
1800
1801 static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1802 {
1803         struct rtl_priv *rtlpriv = rtl_priv(hw);
1804
1805         bool radio_state;
1806         bool blocked;
1807         u8 valid = 0;
1808
1809         if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1810                 return;
1811
1812         mutex_lock(&rtlpriv->locks.conf_mutex);
1813
1814         /*if Radio On return true here */
1815         radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1816
1817         if (valid) {
1818                 if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1819                         rtlpriv->rfkill.rfkill_state = radio_state;
1820
1821                         RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
1822                                  "wireless radio switch turned %s\n",
1823                                   radio_state ? "on" : "off");
1824
1825                         blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
1826                         wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1827                 }
1828         }
1829
1830         mutex_unlock(&rtlpriv->locks.conf_mutex);
1831 }
1832
1833 /* this function is called by mac80211 to flush tx buffer
1834  * before switch channel or power save, or tx buffer packet
1835  * maybe send after offchannel or rf sleep, this may cause
1836  * dis-association by AP
1837  */
1838 static void rtl_op_flush(struct ieee80211_hw *hw,
1839                          struct ieee80211_vif *vif,
1840                          u32 queues,
1841                          bool drop)
1842 {
1843         struct rtl_priv *rtlpriv = rtl_priv(hw);
1844
1845         if (rtlpriv->intf_ops->flush)
1846                 rtlpriv->intf_ops->flush(hw, queues, drop);
1847 }
1848
1849 /*      Description:
1850  *              This routine deals with the Power Configuration CMD
1851  *               parsing for RTL8723/RTL8188E Series IC.
1852  *      Assumption:
1853  *              We should follow specific format that was released from HW SD.
1854  */
1855 bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1856                               u8 faversion, u8 interface_type,
1857                               struct wlan_pwr_cfg pwrcfgcmd[])
1858 {
1859         struct wlan_pwr_cfg cfg_cmd = {0};
1860         bool polling_bit = false;
1861         u32 ary_idx = 0;
1862         u8 value = 0;
1863         u32 offset = 0;
1864         u32 polling_count = 0;
1865         u32 max_polling_cnt = 5000;
1866
1867         do {
1868                 cfg_cmd = pwrcfgcmd[ary_idx];
1869                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1870                          "%s(): offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1871                          __func__, GET_PWR_CFG_OFFSET(cfg_cmd),
1872                                             GET_PWR_CFG_CUT_MASK(cfg_cmd),
1873                          GET_PWR_CFG_FAB_MASK(cfg_cmd),
1874                                               GET_PWR_CFG_INTF_MASK(cfg_cmd),
1875                          GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1876                          GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1877
1878                 if ((GET_PWR_CFG_FAB_MASK(cfg_cmd) & faversion) &&
1879                     (GET_PWR_CFG_CUT_MASK(cfg_cmd) & cut_version) &&
1880                     (GET_PWR_CFG_INTF_MASK(cfg_cmd) & interface_type)) {
1881                         switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1882                         case PWR_CMD_READ:
1883                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1884                                          "%s(): PWR_CMD_READ\n", __func__);
1885                                 break;
1886                         case PWR_CMD_WRITE:
1887                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1888                                         "%s(): PWR_CMD_WRITE\n", __func__);
1889                                 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1890
1891                                 /*Read the value from system register*/
1892                                 value = rtl_read_byte(rtlpriv, offset);
1893                                 value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1894                                 value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1895                                           GET_PWR_CFG_MASK(cfg_cmd));
1896
1897                                 /*Write the value back to system register*/
1898                                 rtl_write_byte(rtlpriv, offset, value);
1899                                 break;
1900                         case PWR_CMD_POLLING:
1901                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1902                                          "%s(): PWR_CMD_POLLING\n", __func__);
1903                                 polling_bit = false;
1904                                 offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1905
1906                                 do {
1907                                         value = rtl_read_byte(rtlpriv, offset);
1908
1909                                         value &= GET_PWR_CFG_MASK(cfg_cmd);
1910                                         if (value ==
1911                                             (GET_PWR_CFG_VALUE(cfg_cmd) &
1912                                              GET_PWR_CFG_MASK(cfg_cmd)))
1913                                                 polling_bit = true;
1914                                         else
1915                                                 udelay(10);
1916
1917                                         if (polling_count++ > max_polling_cnt)
1918                                                 return false;
1919                                 } while (!polling_bit);
1920                                 break;
1921                         case PWR_CMD_DELAY:
1922                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1923                                          "%s(): PWR_CMD_DELAY\n", __func__);
1924                                 if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1925                                     PWRSEQ_DELAY_US)
1926                                         udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1927                                 else
1928                                         mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1929                                 break;
1930                         case PWR_CMD_END:
1931                                 RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
1932                                          "%s(): PWR_CMD_END\n", __func__);
1933                                 return true;
1934                         default:
1935                                 WARN_ONCE(true,
1936                                           "rtlwifi: %s(): Unknown CMD!!\n", __func__);
1937                                 break;
1938                         }
1939                 }
1940                 ary_idx++;
1941         } while (1);
1942
1943         return true;
1944 }
1945
1946 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1947 {
1948         struct rtl_priv *rtlpriv = rtl_priv(hw);
1949         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1950         struct rtl8192_tx_ring *ring;
1951         struct rtl_tx_desc *pdesc;
1952         unsigned long flags;
1953         struct sk_buff *pskb = NULL;
1954
1955         ring = &rtlpci->tx_ring[BEACON_QUEUE];
1956
1957         spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1958         pskb = __skb_dequeue(&ring->queue);
1959         if (pskb)
1960                 dev_kfree_skb_irq(pskb);
1961
1962         /*this is wrong, fill_tx_cmddesc needs update*/
1963         pdesc = &ring->desc[0];
1964
1965         rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1966
1967         __skb_queue_tail(&ring->queue, skb);
1968
1969         spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1970
1971         rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1972
1973         return true;
1974 }
1975
1976 const struct ieee80211_ops rtl_ops = {
1977         .start = rtl_op_start,
1978         .stop = rtl_op_stop,
1979         .tx = rtl_op_tx,
1980         .add_interface = rtl_op_add_interface,
1981         .remove_interface = rtl_op_remove_interface,
1982         .change_interface = rtl_op_change_interface,
1983 #ifdef CONFIG_PM
1984         .suspend = rtl_op_suspend,
1985         .resume = rtl_op_resume,
1986 #endif
1987         .config = rtl_op_config,
1988         .configure_filter = rtl_op_configure_filter,
1989         .set_key = rtl_op_set_key,
1990         .sta_statistics = rtl_op_sta_statistics,
1991         .set_frag_threshold = rtl_op_set_frag_threshold,
1992         .conf_tx = rtl_op_conf_tx,
1993         .bss_info_changed = rtl_op_bss_info_changed,
1994         .get_tsf = rtl_op_get_tsf,
1995         .set_tsf = rtl_op_set_tsf,
1996         .reset_tsf = rtl_op_reset_tsf,
1997         .sta_notify = rtl_op_sta_notify,
1998         .ampdu_action = rtl_op_ampdu_action,
1999         .sw_scan_start = rtl_op_sw_scan_start,
2000         .sw_scan_complete = rtl_op_sw_scan_complete,
2001         .rfkill_poll = rtl_op_rfkill_poll,
2002         .sta_add = rtl_op_sta_add,
2003         .sta_remove = rtl_op_sta_remove,
2004         .flush = rtl_op_flush,
2005 };
2006
2007 bool rtl_btc_status_false(void)
2008 {
2009         return false;
2010 }
2011
2012 void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
2013 {
2014         struct rtl_priv *rtlpriv = rtl_priv(hw);
2015         struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
2016
2017         dm_digtable->dig_enable_flag = true;
2018         dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
2019         dm_digtable->cur_igvalue = cur_igvalue;
2020         dm_digtable->pre_igvalue = 0;
2021         dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
2022         dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
2023         dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
2024         dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
2025         dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
2026         dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
2027         dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
2028         dm_digtable->rx_gain_max = DM_DIG_MAX;
2029         dm_digtable->rx_gain_min = DM_DIG_MIN;
2030         dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
2031         dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
2032         dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
2033         dm_digtable->pre_cck_cca_thres = 0xff;
2034         dm_digtable->cur_cck_cca_thres = 0x83;
2035         dm_digtable->forbidden_igi = DM_DIG_MIN;
2036         dm_digtable->large_fa_hit = 0;
2037         dm_digtable->recover_cnt = 0;
2038         dm_digtable->dig_min_0 = 0x25;
2039         dm_digtable->dig_min_1 = 0x25;
2040         dm_digtable->media_connect_0 = false;
2041         dm_digtable->media_connect_1 = false;
2042         rtlpriv->dm.dm_initialgain_enable = true;
2043         dm_digtable->bt30_cur_igi = 0x32;
2044         dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
2045         dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
2046 }