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