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