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

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