linux/drivers/net/wireless/realtek/rtlwifi/core.c
<<
>>
Prefs
   1// SPDX-License-Identifier: GPL-2.0
   2/* Copyright(c) 2009-2012  Realtek Corporation.*/
   3
   4#include "wifi.h"
   5#include "core.h"
   6#include "cam.h"
   7#include "base.h"
   8#include "ps.h"
   9#include "pwrseqcmd.h"
  10
  11#include "btcoexist/rtl_btc.h"
  12#include <linux/firmware.h>
  13#include <linux/export.h>
  14#include <net/cfg80211.h>
  15
  16u8 channel5g[CHANNEL_MAX_NUMBER_5G] = {
  17        36, 38, 40, 42, 44, 46, 48,             /* Band 1 */
  18        52, 54, 56, 58, 60, 62, 64,             /* Band 2 */
  19        100, 102, 104, 106, 108, 110, 112,      /* Band 3 */
  20        116, 118, 120, 122, 124, 126, 128,      /* Band 3 */
  21        132, 134, 136, 138, 140, 142, 144,      /* Band 3 */
  22        149, 151, 153, 155, 157, 159, 161,      /* Band 4 */
  23        165, 167, 169, 171, 173, 175, 177       /* Band 4 */
  24};
  25EXPORT_SYMBOL(channel5g);
  26
  27u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = {
  28        42, 58, 106, 122, 138, 155, 171
  29};
  30EXPORT_SYMBOL(channel5g_80m);
  31
  32void rtl_addr_delay(u32 addr)
  33{
  34        if (addr == 0xfe)
  35                mdelay(50);
  36        else if (addr == 0xfd)
  37                msleep(5);
  38        else if (addr == 0xfc)
  39                msleep(1);
  40        else if (addr == 0xfb)
  41                usleep_range(50, 100);
  42        else if (addr == 0xfa)
  43                usleep_range(5, 10);
  44        else if (addr == 0xf9)
  45                usleep_range(1, 2);
  46}
  47EXPORT_SYMBOL(rtl_addr_delay);
  48
  49void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr,
  50                     u32 mask, u32 data)
  51{
  52        if (addr >= 0xf9 && addr <= 0xfe) {
  53                rtl_addr_delay(addr);
  54        } else {
  55                rtl_set_rfreg(hw, rfpath, addr, mask, data);
  56                udelay(1);
  57        }
  58}
  59EXPORT_SYMBOL(rtl_rfreg_delay);
  60
  61void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data)
  62{
  63        if (addr >= 0xf9 && addr <= 0xfe) {
  64                rtl_addr_delay(addr);
  65        } else {
  66                rtl_set_bbreg(hw, addr, MASKDWORD, data);
  67                udelay(1);
  68        }
  69}
  70EXPORT_SYMBOL(rtl_bb_delay);
  71
  72static void rtl_fw_do_work(const struct firmware *firmware, void *context,
  73                           bool is_wow)
  74{
  75        struct ieee80211_hw *hw = context;
  76        struct rtl_priv *rtlpriv = rtl_priv(hw);
  77        int err;
  78
  79        rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
  80                "Firmware callback routine entered!\n");
  81        complete(&rtlpriv->firmware_loading_complete);
  82        if (!firmware) {
  83                if (rtlpriv->cfg->alt_fw_name) {
  84                        err = request_firmware(&firmware,
  85                                               rtlpriv->cfg->alt_fw_name,
  86                                               rtlpriv->io.dev);
  87                        pr_info("Loading alternative firmware %s\n",
  88                                rtlpriv->cfg->alt_fw_name);
  89                        if (!err)
  90                                goto found_alt;
  91                }
  92                pr_err("Selected firmware is not available\n");
  93                rtlpriv->max_fw_size = 0;
  94                return;
  95        }
  96found_alt:
  97        if (firmware->size > rtlpriv->max_fw_size) {
  98                pr_err("Firmware is too big!\n");
  99                release_firmware(firmware);
 100                return;
 101        }
 102        if (!is_wow) {
 103                memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
 104                       firmware->size);
 105                rtlpriv->rtlhal.fwsize = firmware->size;
 106        } else {
 107                memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
 108                       firmware->size);
 109                rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
 110        }
 111        release_firmware(firmware);
 112}
 113
 114void rtl_fw_cb(const struct firmware *firmware, void *context)
 115{
 116        rtl_fw_do_work(firmware, context, false);
 117}
 118EXPORT_SYMBOL(rtl_fw_cb);
 119
 120void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
 121{
 122        rtl_fw_do_work(firmware, context, true);
 123}
 124EXPORT_SYMBOL(rtl_wowlan_fw_cb);
 125
 126/*mutex for start & stop is must here. */
 127static int rtl_op_start(struct ieee80211_hw *hw)
 128{
 129        int err = 0;
 130        struct rtl_priv *rtlpriv = rtl_priv(hw);
 131        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 132
 133        if (!is_hal_stop(rtlhal))
 134                return 0;
 135        if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 136                return 0;
 137        mutex_lock(&rtlpriv->locks.conf_mutex);
 138        err = rtlpriv->intf_ops->adapter_start(hw);
 139        if (!err)
 140                rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer);
 141        mutex_unlock(&rtlpriv->locks.conf_mutex);
 142        return err;
 143}
 144
 145static void rtl_op_stop(struct ieee80211_hw *hw)
 146{
 147        struct rtl_priv *rtlpriv = rtl_priv(hw);
 148        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 149        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 150        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 151        bool support_remote_wakeup = false;
 152
 153        if (is_hal_stop(rtlhal))
 154                return;
 155
 156        rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
 157                                      (u8 *)(&support_remote_wakeup));
 158        /* here is must, because adhoc do stop and start,
 159         * but stop with RFOFF may cause something wrong,
 160         * like adhoc TP
 161         */
 162        if (unlikely(ppsc->rfpwr_state == ERFOFF))
 163                rtl_ips_nic_on(hw);
 164
 165        mutex_lock(&rtlpriv->locks.conf_mutex);
 166        /* if wowlan supported, DON'T clear connected info */
 167        if (!(support_remote_wakeup &&
 168              rtlhal->enter_pnp_sleep)) {
 169                mac->link_state = MAC80211_NOLINK;
 170                eth_zero_addr(mac->bssid);
 171                mac->vendor = PEER_UNKNOWN;
 172
 173                /* reset sec info */
 174                rtl_cam_reset_sec_info(hw);
 175
 176                rtl_deinit_deferred_work(hw, false);
 177        }
 178        rtlpriv->intf_ops->adapter_stop(hw);
 179
 180        mutex_unlock(&rtlpriv->locks.conf_mutex);
 181}
 182
 183static void rtl_op_tx(struct ieee80211_hw *hw,
 184                      struct ieee80211_tx_control *control,
 185                      struct sk_buff *skb)
 186{
 187        struct rtl_priv *rtlpriv = rtl_priv(hw);
 188        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 189        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 190        struct rtl_tcb_desc tcb_desc;
 191
 192        memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 193
 194        if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
 195                goto err_free;
 196
 197        if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 198                goto err_free;
 199
 200        if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
 201                rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
 202        return;
 203
 204err_free:
 205        dev_kfree_skb_any(skb);
 206}
 207
 208static int rtl_op_add_interface(struct ieee80211_hw *hw,
 209                struct ieee80211_vif *vif)
 210{
 211        struct rtl_priv *rtlpriv = rtl_priv(hw);
 212        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 213        int err = 0;
 214        u8 retry_limit = 0x30;
 215
 216        if (mac->vif) {
 217                rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
 218                        "vif has been set!! mac->vif = 0x%p\n", mac->vif);
 219                return -EOPNOTSUPP;
 220        }
 221
 222        vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
 223
 224        rtl_ips_nic_on(hw);
 225
 226        mutex_lock(&rtlpriv->locks.conf_mutex);
 227        switch (ieee80211_vif_type_p2p(vif)) {
 228        case NL80211_IFTYPE_P2P_CLIENT:
 229                mac->p2p = P2P_ROLE_CLIENT;
 230                fallthrough;
 231        case NL80211_IFTYPE_STATION:
 232                if (mac->beacon_enabled == 1) {
 233                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 234                                "NL80211_IFTYPE_STATION\n");
 235                        mac->beacon_enabled = 0;
 236                        rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 237                                        rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 238                }
 239                break;
 240        case NL80211_IFTYPE_ADHOC:
 241                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 242                        "NL80211_IFTYPE_ADHOC\n");
 243
 244                mac->link_state = MAC80211_LINKED;
 245                rtlpriv->cfg->ops->set_bcn_reg(hw);
 246                if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 247                        mac->basic_rates = 0xfff;
 248                else
 249                        mac->basic_rates = 0xff0;
 250                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 251                                (u8 *)(&mac->basic_rates));
 252
 253                retry_limit = 0x07;
 254                break;
 255        case NL80211_IFTYPE_P2P_GO:
 256                mac->p2p = P2P_ROLE_GO;
 257                fallthrough;
 258        case NL80211_IFTYPE_AP:
 259                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 260                        "NL80211_IFTYPE_AP\n");
 261
 262                mac->link_state = MAC80211_LINKED;
 263                rtlpriv->cfg->ops->set_bcn_reg(hw);
 264                if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 265                        mac->basic_rates = 0xfff;
 266                else
 267                        mac->basic_rates = 0xff0;
 268                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 269                                              (u8 *)(&mac->basic_rates));
 270
 271                retry_limit = 0x07;
 272                break;
 273        case NL80211_IFTYPE_MESH_POINT:
 274                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 275                        "NL80211_IFTYPE_MESH_POINT\n");
 276
 277                mac->link_state = MAC80211_LINKED;
 278                rtlpriv->cfg->ops->set_bcn_reg(hw);
 279                if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 280                        mac->basic_rates = 0xfff;
 281                else
 282                        mac->basic_rates = 0xff0;
 283                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 284                                (u8 *)(&mac->basic_rates));
 285
 286                retry_limit = 0x07;
 287                break;
 288        default:
 289                pr_err("operation mode %d is not supported!\n",
 290                       vif->type);
 291                err = -EOPNOTSUPP;
 292                goto out;
 293        }
 294
 295        if (mac->p2p) {
 296                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 297                        "p2p role %x\n", vif->type);
 298                mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
 299                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 300                                (u8 *)(&mac->basic_rates));
 301        }
 302        mac->vif = vif;
 303        mac->opmode = vif->type;
 304        rtlpriv->cfg->ops->set_network_type(hw, vif->type);
 305        memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
 306        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
 307
 308        mac->retry_long = retry_limit;
 309        mac->retry_short = retry_limit;
 310        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 311                        (u8 *)(&retry_limit));
 312out:
 313        mutex_unlock(&rtlpriv->locks.conf_mutex);
 314        return err;
 315}
 316
 317static void rtl_op_remove_interface(struct ieee80211_hw *hw,
 318                struct ieee80211_vif *vif)
 319{
 320        struct rtl_priv *rtlpriv = rtl_priv(hw);
 321        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 322
 323        mutex_lock(&rtlpriv->locks.conf_mutex);
 324
 325        /* Free beacon resources */
 326        if (vif->type == NL80211_IFTYPE_AP ||
 327            vif->type == NL80211_IFTYPE_ADHOC ||
 328            vif->type == NL80211_IFTYPE_MESH_POINT) {
 329                if (mac->beacon_enabled == 1) {
 330                        mac->beacon_enabled = 0;
 331                        rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 332                                        rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 333                }
 334        }
 335
 336        /*
 337         *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
 338         *NO LINK for our hardware.
 339         */
 340        mac->p2p = 0;
 341        mac->vif = NULL;
 342        mac->link_state = MAC80211_NOLINK;
 343        eth_zero_addr(mac->bssid);
 344        mac->vendor = PEER_UNKNOWN;
 345        mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
 346        rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
 347
 348        mutex_unlock(&rtlpriv->locks.conf_mutex);
 349}
 350
 351static int rtl_op_change_interface(struct ieee80211_hw *hw,
 352                                   struct ieee80211_vif *vif,
 353                                   enum nl80211_iftype new_type, bool p2p)
 354{
 355        struct rtl_priv *rtlpriv = rtl_priv(hw);
 356        int ret;
 357
 358        rtl_op_remove_interface(hw, vif);
 359
 360        vif->type = new_type;
 361        vif->p2p = p2p;
 362        ret = rtl_op_add_interface(hw, vif);
 363        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 364                "p2p  %x\n", p2p);
 365        return ret;
 366}
 367
 368#ifdef CONFIG_PM
 369static u16 crc16_ccitt(u8 data, u16 crc)
 370{
 371        u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
 372        u8 i;
 373        u16 result;
 374
 375        for (i = 0; i < 8; i++) {
 376                crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
 377                data_bit  = (data & (BIT(0) << i) ? 1 : 0);
 378                shift_in = crc_bit15 ^ data_bit;
 379
 380                result = crc << 1;
 381                if (shift_in == 0)
 382                        result &= (~BIT(0));
 383                else
 384                        result |= BIT(0);
 385
 386                crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
 387                if (crc_bit11 == 0)
 388                        result &= (~BIT(12));
 389                else
 390                        result |= BIT(12);
 391
 392                crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
 393                if (crc_bit4 == 0)
 394                        result &= (~BIT(5));
 395                else
 396                        result |= BIT(5);
 397
 398                crc = result;
 399        }
 400
 401        return crc;
 402}
 403
 404static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
 405{
 406        u16 crc = 0xffff;
 407        u32 i;
 408
 409        for (i = 0; i < len; i++)
 410                crc = crc16_ccitt(pattern[i], crc);
 411
 412        crc = ~crc;
 413
 414        return crc;
 415}
 416
 417static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
 418                                     struct cfg80211_wowlan *wow)
 419{
 420        struct rtl_priv *rtlpriv = rtl_priv(hw);
 421        struct rtl_mac *mac = &rtlpriv->mac80211;
 422        struct cfg80211_pkt_pattern *patterns = wow->patterns;
 423        struct rtl_wow_pattern rtl_pattern;
 424        const u8 *pattern_os, *mask_os;
 425        u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
 426        u8 content[MAX_WOL_PATTERN_SIZE] = {0};
 427        u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 428        u8 multicast_addr1[2] = {0x33, 0x33};
 429        u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
 430        u8 i, mask_len;
 431        u16 j, len;
 432
 433        for (i = 0; i < wow->n_patterns; i++) {
 434                memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
 435                memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
 436                if (patterns[i].pattern_len < 0 ||
 437                    patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
 438                        rtl_dbg(rtlpriv, COMP_POWER, DBG_WARNING,
 439                                "Pattern[%d] is too long\n", i);
 440                        continue;
 441                }
 442                pattern_os = patterns[i].pattern;
 443                mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
 444                mask_os = patterns[i].mask;
 445                RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 446                              "pattern content\n", pattern_os,
 447                               patterns[i].pattern_len);
 448                RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 449                              "mask content\n", mask_os, mask_len);
 450                /* 1. unicast? multicast? or broadcast? */
 451                if (memcmp(pattern_os, broadcast_addr, 6) == 0)
 452                        rtl_pattern.type = BROADCAST_PATTERN;
 453                else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
 454                         memcmp(pattern_os, multicast_addr2, 3) == 0)
 455                        rtl_pattern.type = MULTICAST_PATTERN;
 456                else if  (memcmp(pattern_os, mac->mac_addr, 6) == 0)
 457                        rtl_pattern.type = UNICAST_PATTERN;
 458                else
 459                        rtl_pattern.type = UNKNOWN_TYPE;
 460
 461                /* 2. translate mask_from_os to mask_for_hw */
 462
 463/******************************************************************************
 464 * pattern from OS uses 'ethenet frame', like this:
 465
 466                   |    6   |    6   |   2  |     20    |  Variable  |  4  |
 467                   |--------+--------+------+-----------+------------+-----|
 468                   |    802.3 Mac Header    | IP Header | TCP Packet | FCS |
 469                   |   DA   |   SA   | Type |
 470
 471 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
 472
 473        |     24 or 30      |    6   |   2  |     20    |  Variable  |  4  |
 474        |-------------------+--------+------+-----------+------------+-----|
 475        | 802.11 MAC Header |       LLC     | IP Header | TCP Packet | FCS |
 476                            | Others | Tpye |
 477
 478 * Therefore, we need translate mask_from_OS to mask_to_hw.
 479 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
 480 * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
 481 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
 482 ******************************************************************************/
 483
 484                /* Shift 6 bits */
 485                for (j = 0; j < mask_len - 1; j++) {
 486                        mask[j] = mask_os[j] >> 6;
 487                        mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
 488                }
 489                mask[j] = (mask_os[j] >> 6) & 0x3F;
 490                /* Set bit 0-5 to zero */
 491                mask[0] &= 0xC0;
 492
 493                RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 494                              "mask to hw\n", mask, mask_len);
 495                for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
 496                        rtl_pattern.mask[j] = mask[j * 4];
 497                        rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
 498                        rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
 499                        rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
 500                }
 501
 502                /* To get the wake up pattern from the mask.
 503                 * We do not count first 12 bits which means
 504                 * DA[6] and SA[6] in the pattern to match HW design.
 505                 */
 506                len = 0;
 507                for (j = 12; j < patterns[i].pattern_len; j++) {
 508                        if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
 509                                content[len] = pattern_os[j];
 510                                len++;
 511                        }
 512                }
 513
 514                RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 515                              "pattern to hw\n", content, len);
 516                /* 3. calculate crc */
 517                rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
 518                rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
 519                        "CRC_Remainder = 0x%x\n", rtl_pattern.crc);
 520
 521                /* 4. write crc & mask_for_hw to hw */
 522                rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
 523        }
 524        rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
 525}
 526
 527static int rtl_op_suspend(struct ieee80211_hw *hw,
 528                          struct cfg80211_wowlan *wow)
 529{
 530        struct rtl_priv *rtlpriv = rtl_priv(hw);
 531        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 532        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 533
 534        rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 535        if (WARN_ON(!wow))
 536                return -EINVAL;
 537
 538        /* to resolve s4 can not wake up*/
 539        rtlhal->last_suspend_sec = ktime_get_real_seconds();
 540
 541        if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
 542                _rtl_add_wowlan_patterns(hw, wow);
 543
 544        rtlhal->driver_is_goingto_unload = true;
 545        rtlhal->enter_pnp_sleep = true;
 546
 547        rtl_lps_leave(hw, true);
 548        rtl_op_stop(hw);
 549        device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
 550        return 0;
 551}
 552
 553static int rtl_op_resume(struct ieee80211_hw *hw)
 554{
 555        struct rtl_priv *rtlpriv = rtl_priv(hw);
 556        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 557        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 558        time64_t now;
 559
 560        rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 561        rtlhal->driver_is_goingto_unload = false;
 562        rtlhal->enter_pnp_sleep = false;
 563        rtlhal->wake_from_pnp_sleep = true;
 564
 565        /* to resovle s4 can not wake up*/
 566        now = ktime_get_real_seconds();
 567        if (now - rtlhal->last_suspend_sec < 5)
 568                return -1;
 569
 570        rtl_op_start(hw);
 571        device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
 572        ieee80211_resume_disconnect(mac->vif);
 573        rtlhal->wake_from_pnp_sleep = false;
 574        return 0;
 575}
 576#endif
 577
 578static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
 579{
 580        struct rtl_priv *rtlpriv = rtl_priv(hw);
 581        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 582        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 583        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 584        struct ieee80211_conf *conf = &hw->conf;
 585
 586        if (mac->skip_scan)
 587                return 1;
 588
 589        mutex_lock(&rtlpriv->locks.conf_mutex);
 590        if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {  /* BIT(2)*/
 591                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 592                        "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
 593        }
 594
 595        /*For IPS */
 596        if (changed & IEEE80211_CONF_CHANGE_IDLE) {
 597                if (hw->conf.flags & IEEE80211_CONF_IDLE)
 598                        rtl_ips_nic_off(hw);
 599                else
 600                        rtl_ips_nic_on(hw);
 601        } else {
 602                /*
 603                 *although rfoff may not cause by ips, but we will
 604                 *check the reason in set_rf_power_state function
 605                 */
 606                if (unlikely(ppsc->rfpwr_state == ERFOFF))
 607                        rtl_ips_nic_on(hw);
 608        }
 609
 610        /*For LPS */
 611        if ((changed & IEEE80211_CONF_CHANGE_PS) &&
 612            rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) {
 613                cancel_delayed_work(&rtlpriv->works.ps_work);
 614                cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 615                if (conf->flags & IEEE80211_CONF_PS) {
 616                        rtlpriv->psc.sw_ps_enabled = true;
 617                        /* sleep here is must, or we may recv the beacon and
 618                         * cause mac80211 into wrong ps state, this will cause
 619                         * power save nullfunc send fail, and further cause
 620                         * pkt loss, So sleep must quickly but not immediatly
 621                         * because that will cause nullfunc send by mac80211
 622                         * fail, and cause pkt loss, we have tested that 5mA
 623                         * is worked very well */
 624                        if (!rtlpriv->psc.multi_buffered)
 625                                queue_delayed_work(rtlpriv->works.rtl_wq,
 626                                                   &rtlpriv->works.ps_work,
 627                                                   MSECS(5));
 628                } else {
 629                        rtl_swlps_rf_awake(hw);
 630                        rtlpriv->psc.sw_ps_enabled = false;
 631                }
 632        }
 633
 634        if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
 635                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 636                        "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
 637                        hw->conf.long_frame_max_tx_count);
 638                /* brought up everything changes (changed == ~0) indicates first
 639                 * open, so use our default value instead of that of wiphy.
 640                 */
 641                if (changed != ~0) {
 642                        mac->retry_long = hw->conf.long_frame_max_tx_count;
 643                        mac->retry_short = hw->conf.long_frame_max_tx_count;
 644                        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 645                                (u8 *)(&hw->conf.long_frame_max_tx_count));
 646                }
 647        }
 648
 649        if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
 650            !rtlpriv->proximity.proxim_on) {
 651                struct ieee80211_channel *channel = hw->conf.chandef.chan;
 652                enum nl80211_chan_width width = hw->conf.chandef.width;
 653                enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
 654                u8 wide_chan = (u8) channel->hw_value;
 655
 656                /* channel_type is for 20&40M */
 657                if (width < NL80211_CHAN_WIDTH_80)
 658                        channel_type =
 659                                cfg80211_get_chandef_type(&hw->conf.chandef);
 660                if (mac->act_scanning)
 661                        mac->n_channels++;
 662
 663                if (rtlpriv->dm.supp_phymode_switch &&
 664                        mac->link_state < MAC80211_LINKED &&
 665                        !mac->act_scanning) {
 666                        if (rtlpriv->cfg->ops->chk_switch_dmdp)
 667                                rtlpriv->cfg->ops->chk_switch_dmdp(hw);
 668                }
 669
 670                /*
 671                 *because we should back channel to
 672                 *current_network.chan in in scanning,
 673                 *So if set_chan == current_network.chan
 674                 *we should set it.
 675                 *because mac80211 tell us wrong bw40
 676                 *info for cisco1253 bw20, so we modify
 677                 *it here based on UPPER & LOWER
 678                 */
 679
 680                if (width >= NL80211_CHAN_WIDTH_80) {
 681                        if (width == NL80211_CHAN_WIDTH_80) {
 682                                u32 center = hw->conf.chandef.center_freq1;
 683                                u32 primary =
 684                                (u32)hw->conf.chandef.chan->center_freq;
 685
 686                                rtlphy->current_chan_bw =
 687                                        HT_CHANNEL_WIDTH_80;
 688                                mac->bw_80 = true;
 689                                mac->bw_40 = true;
 690                                if (center > primary) {
 691                                        mac->cur_80_prime_sc =
 692                                        PRIME_CHNL_OFFSET_LOWER;
 693                                        if (center - primary == 10) {
 694                                                mac->cur_40_prime_sc =
 695                                                PRIME_CHNL_OFFSET_UPPER;
 696
 697                                                wide_chan += 2;
 698                                        } else if (center - primary == 30) {
 699                                                mac->cur_40_prime_sc =
 700                                                PRIME_CHNL_OFFSET_LOWER;
 701
 702                                                wide_chan += 6;
 703                                        }
 704                                } else {
 705                                        mac->cur_80_prime_sc =
 706                                        PRIME_CHNL_OFFSET_UPPER;
 707                                        if (primary - center == 10) {
 708                                                mac->cur_40_prime_sc =
 709                                                PRIME_CHNL_OFFSET_LOWER;
 710
 711                                                wide_chan -= 2;
 712                                        } else if (primary - center == 30) {
 713                                                mac->cur_40_prime_sc =
 714                                                PRIME_CHNL_OFFSET_UPPER;
 715
 716                                                wide_chan -= 6;
 717                                        }
 718                                }
 719                        }
 720                } else {
 721                        switch (channel_type) {
 722                        case NL80211_CHAN_HT20:
 723                        case NL80211_CHAN_NO_HT:
 724                                        /* SC */
 725                                        mac->cur_40_prime_sc =
 726                                                PRIME_CHNL_OFFSET_DONT_CARE;
 727                                        rtlphy->current_chan_bw =
 728                                                HT_CHANNEL_WIDTH_20;
 729                                        mac->bw_40 = false;
 730                                        mac->bw_80 = false;
 731                                        break;
 732                        case NL80211_CHAN_HT40MINUS:
 733                                        /* SC */
 734                                        mac->cur_40_prime_sc =
 735                                                PRIME_CHNL_OFFSET_UPPER;
 736                                        rtlphy->current_chan_bw =
 737                                                HT_CHANNEL_WIDTH_20_40;
 738                                        mac->bw_40 = true;
 739                                        mac->bw_80 = false;
 740
 741                                        /*wide channel */
 742                                        wide_chan -= 2;
 743
 744                                        break;
 745                        case NL80211_CHAN_HT40PLUS:
 746                                        /* SC */
 747                                        mac->cur_40_prime_sc =
 748                                                PRIME_CHNL_OFFSET_LOWER;
 749                                        rtlphy->current_chan_bw =
 750                                                HT_CHANNEL_WIDTH_20_40;
 751                                        mac->bw_40 = true;
 752                                        mac->bw_80 = false;
 753
 754                                        /*wide channel */
 755                                        wide_chan += 2;
 756
 757                                        break;
 758                        default:
 759                                        mac->bw_40 = false;
 760                                        mac->bw_80 = false;
 761                                        pr_err("switch case %#x not processed\n",
 762                                               channel_type);
 763                                        break;
 764                        }
 765                }
 766
 767                if (wide_chan <= 0)
 768                        wide_chan = 1;
 769
 770                /* In scanning, when before we offchannel we may send a ps=1
 771                 * null to AP, and then we may send a ps = 0 null to AP quickly,
 772                 * but first null may have caused AP to put lots of packet to
 773                 * hw tx buffer. These packets must be tx'd before we go off
 774                 * channel so we must delay more time to let AP flush these
 775                 * packets before going offchannel, or dis-association or
 776                 * delete BA will be caused by AP
 777                 */
 778                if (rtlpriv->mac80211.offchan_delay) {
 779                        rtlpriv->mac80211.offchan_delay = false;
 780                        mdelay(50);
 781                }
 782
 783                rtlphy->current_channel = wide_chan;
 784
 785                rtlpriv->cfg->ops->switch_channel(hw);
 786                rtlpriv->cfg->ops->set_channel_access(hw);
 787                rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
 788        }
 789
 790        mutex_unlock(&rtlpriv->locks.conf_mutex);
 791
 792        return 0;
 793}
 794
 795static void rtl_op_configure_filter(struct ieee80211_hw *hw,
 796                                    unsigned int changed_flags,
 797                                    unsigned int *new_flags, u64 multicast)
 798{
 799        bool update_rcr = false;
 800        struct rtl_priv *rtlpriv = rtl_priv(hw);
 801        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 802
 803        *new_flags &= RTL_SUPPORTED_FILTERS;
 804        if (0 == changed_flags)
 805                return;
 806
 807        /*TODO: we disable broadcase now, so enable here */
 808        if (changed_flags & FIF_ALLMULTI) {
 809                if (*new_flags & FIF_ALLMULTI) {
 810                        mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
 811                            rtlpriv->cfg->maps[MAC_RCR_AB];
 812                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 813                                "Enable receive multicast frame\n");
 814                } else {
 815                        mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
 816                                          rtlpriv->cfg->maps[MAC_RCR_AB]);
 817                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 818                                "Disable receive multicast frame\n");
 819                }
 820                update_rcr = true;
 821        }
 822
 823        if (changed_flags & FIF_FCSFAIL) {
 824                if (*new_flags & FIF_FCSFAIL) {
 825                        mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 826                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 827                                "Enable receive FCS error frame\n");
 828                } else {
 829                        mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 830                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 831                                "Disable receive FCS error frame\n");
 832                }
 833                if (!update_rcr)
 834                        update_rcr = true;
 835        }
 836
 837        /* if ssid not set to hw don't check bssid
 838         * here just used for linked scanning, & linked
 839         * and nolink check bssid is set in set network_type
 840         */
 841        if (changed_flags & FIF_BCN_PRBRESP_PROMISC &&
 842            mac->link_state >= MAC80211_LINKED) {
 843                if (mac->opmode != NL80211_IFTYPE_AP &&
 844                    mac->opmode != NL80211_IFTYPE_MESH_POINT) {
 845                        if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
 846                                rtlpriv->cfg->ops->set_chk_bssid(hw, false);
 847                        else
 848                                rtlpriv->cfg->ops->set_chk_bssid(hw, true);
 849                        if (update_rcr)
 850                                update_rcr = false;
 851                }
 852        }
 853
 854        if (changed_flags & FIF_CONTROL) {
 855                if (*new_flags & FIF_CONTROL) {
 856                        mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
 857
 858                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 859                                "Enable receive control frame.\n");
 860                } else {
 861                        mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
 862                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 863                                "Disable receive control frame.\n");
 864                }
 865                if (!update_rcr)
 866                        update_rcr = true;
 867        }
 868
 869        if (changed_flags & FIF_OTHER_BSS) {
 870                if (*new_flags & FIF_OTHER_BSS) {
 871                        mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
 872                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 873                                "Enable receive other BSS's frame.\n");
 874                } else {
 875                        mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
 876                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 877                                "Disable receive other BSS's frame.\n");
 878                }
 879                if (!update_rcr)
 880                        update_rcr = true;
 881        }
 882
 883        if (update_rcr)
 884                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
 885                                              (u8 *)(&mac->rx_conf));
 886}
 887
 888static int rtl_op_sta_add(struct ieee80211_hw *hw,
 889                         struct ieee80211_vif *vif,
 890                         struct ieee80211_sta *sta)
 891{
 892        struct rtl_priv *rtlpriv = rtl_priv(hw);
 893        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 894        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 895        struct rtl_sta_info *sta_entry;
 896
 897        if (sta) {
 898                sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 899                spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 900                list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
 901                spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 902                if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 903                        sta_entry->wireless_mode = WIRELESS_MODE_G;
 904                        if (sta->supp_rates[0] <= 0xf)
 905                                sta_entry->wireless_mode = WIRELESS_MODE_B;
 906                        if (sta->ht_cap.ht_supported)
 907                                sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
 908
 909                        if (vif->type == NL80211_IFTYPE_ADHOC)
 910                                sta_entry->wireless_mode = WIRELESS_MODE_G;
 911                } else if (rtlhal->current_bandtype == BAND_ON_5G) {
 912                        sta_entry->wireless_mode = WIRELESS_MODE_A;
 913                        if (sta->ht_cap.ht_supported)
 914                                sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
 915                        if (sta->vht_cap.vht_supported)
 916                                sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
 917
 918                        if (vif->type == NL80211_IFTYPE_ADHOC)
 919                                sta_entry->wireless_mode = WIRELESS_MODE_A;
 920                }
 921                /*disable cck rate for p2p*/
 922                if (mac->p2p)
 923                        sta->supp_rates[0] &= 0xfffffff0;
 924
 925                memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
 926                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
 927                        "Add sta addr is %pM\n", sta->addr);
 928                rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true);
 929        }
 930
 931        return 0;
 932}
 933
 934static int rtl_op_sta_remove(struct ieee80211_hw *hw,
 935                                struct ieee80211_vif *vif,
 936                                struct ieee80211_sta *sta)
 937{
 938        struct rtl_priv *rtlpriv = rtl_priv(hw);
 939        struct rtl_sta_info *sta_entry;
 940
 941        if (sta) {
 942                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
 943                        "Remove sta addr is %pM\n", sta->addr);
 944                sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 945                sta_entry->wireless_mode = 0;
 946                sta_entry->ratr_index = 0;
 947                spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 948                list_del(&sta_entry->list);
 949                spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 950        }
 951        return 0;
 952}
 953
 954static int _rtl_get_hal_qnum(u16 queue)
 955{
 956        int qnum;
 957
 958        switch (queue) {
 959        case 0:
 960                qnum = AC3_VO;
 961                break;
 962        case 1:
 963                qnum = AC2_VI;
 964                break;
 965        case 2:
 966                qnum = AC0_BE;
 967                break;
 968        case 3:
 969                qnum = AC1_BK;
 970                break;
 971        default:
 972                qnum = AC0_BE;
 973                break;
 974        }
 975        return qnum;
 976}
 977
 978/*
 979 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
 980 *for rtl819x  BE = 0, BK = 1, VI = 2, VO = 3
 981 */
 982static int rtl_op_conf_tx(struct ieee80211_hw *hw,
 983                          struct ieee80211_vif *vif, u16 queue,
 984                          const struct ieee80211_tx_queue_params *param)
 985{
 986        struct rtl_priv *rtlpriv = rtl_priv(hw);
 987        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 988        int aci;
 989
 990        if (queue >= AC_MAX) {
 991                rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
 992                        "queue number %d is incorrect!\n", queue);
 993                return -EINVAL;
 994        }
 995
 996        aci = _rtl_get_hal_qnum(queue);
 997        mac->ac[aci].aifs = param->aifs;
 998        mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
 999        mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1000        mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1001        memcpy(&mac->edca_param[aci], param, sizeof(*param));
1002        rtlpriv->cfg->ops->set_qos(hw, aci);
1003        return 0;
1004}
1005
1006static void send_beacon_frame(struct ieee80211_hw *hw,
1007                              struct ieee80211_vif *vif)
1008{
1009        struct rtl_priv *rtlpriv = rtl_priv(hw);
1010        struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
1011        struct rtl_tcb_desc tcb_desc;
1012
1013        if (skb) {
1014                memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1015                rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1016        }
1017}
1018
1019static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1020                                    struct ieee80211_vif *vif,
1021                                    struct ieee80211_bss_conf *bss_conf,
1022                                    u32 changed)
1023{
1024        struct rtl_priv *rtlpriv = rtl_priv(hw);
1025        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1026        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1027        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1028
1029        mutex_lock(&rtlpriv->locks.conf_mutex);
1030        if (vif->type == NL80211_IFTYPE_ADHOC ||
1031            vif->type == NL80211_IFTYPE_AP ||
1032            vif->type == NL80211_IFTYPE_MESH_POINT) {
1033                if (changed & BSS_CHANGED_BEACON ||
1034                    (changed & BSS_CHANGED_BEACON_ENABLED &&
1035                     bss_conf->enable_beacon)) {
1036                        if (mac->beacon_enabled == 0) {
1037                                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1038                                        "BSS_CHANGED_BEACON_ENABLED\n");
1039
1040                                /*start hw beacon interrupt. */
1041                                /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1042                                mac->beacon_enabled = 1;
1043                                rtlpriv->cfg->ops->update_interrupt_mask(hw,
1044                                                rtlpriv->cfg->maps
1045                                                [RTL_IBSS_INT_MASKS], 0);
1046
1047                                if (rtlpriv->cfg->ops->linked_set_reg)
1048                                        rtlpriv->cfg->ops->linked_set_reg(hw);
1049                                send_beacon_frame(hw, vif);
1050                        }
1051                }
1052                if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1053                    !bss_conf->enable_beacon)) {
1054                        if (mac->beacon_enabled == 1) {
1055                                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1056                                        "ADHOC DISABLE BEACON\n");
1057
1058                                mac->beacon_enabled = 0;
1059                                rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1060                                                rtlpriv->cfg->maps
1061                                                [RTL_IBSS_INT_MASKS]);
1062                        }
1063                }
1064                if (changed & BSS_CHANGED_BEACON_INT) {
1065                        rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE,
1066                                "BSS_CHANGED_BEACON_INT\n");
1067                        mac->beacon_interval = bss_conf->beacon_int;
1068                        rtlpriv->cfg->ops->set_bcn_intv(hw);
1069                }
1070        }
1071
1072        /*TODO: reference to enum ieee80211_bss_change */
1073        if (changed & BSS_CHANGED_ASSOC) {
1074                u8 mstatus;
1075
1076                if (bss_conf->assoc) {
1077                        struct ieee80211_sta *sta = NULL;
1078                        u8 keep_alive = 10;
1079
1080                        mstatus = RT_MEDIA_CONNECT;
1081                        /* we should reset all sec info & cam
1082                         * before set cam after linked, we should not
1083                         * reset in disassoc, that will cause tkip->wep
1084                         * fail because some flag will be wrong */
1085                        /* reset sec info */
1086                        rtl_cam_reset_sec_info(hw);
1087                        /* reset cam to fix wep fail issue
1088                         * when change from wpa to wep */
1089                        rtl_cam_reset_all_entry(hw);
1090
1091                        mac->link_state = MAC80211_LINKED;
1092                        mac->cnt_after_linked = 0;
1093                        mac->assoc_id = bss_conf->aid;
1094                        memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1095
1096                        if (rtlpriv->cfg->ops->linked_set_reg)
1097                                rtlpriv->cfg->ops->linked_set_reg(hw);
1098
1099                        rcu_read_lock();
1100                        sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1101                        if (!sta) {
1102                                rcu_read_unlock();
1103                                goto out;
1104                        }
1105                        rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1106                                "send PS STATIC frame\n");
1107                        if (rtlpriv->dm.supp_phymode_switch) {
1108                                if (sta->ht_cap.ht_supported)
1109                                        rtl_send_smps_action(hw, sta,
1110                                                        IEEE80211_SMPS_STATIC);
1111                        }
1112
1113                        if (rtlhal->current_bandtype == BAND_ON_5G) {
1114                                mac->mode = WIRELESS_MODE_A;
1115                        } else {
1116                                if (sta->supp_rates[0] <= 0xf)
1117                                        mac->mode = WIRELESS_MODE_B;
1118                                else
1119                                        mac->mode = WIRELESS_MODE_G;
1120                        }
1121
1122                        if (sta->ht_cap.ht_supported) {
1123                                if (rtlhal->current_bandtype == BAND_ON_2_4G)
1124                                        mac->mode = WIRELESS_MODE_N_24G;
1125                                else
1126                                        mac->mode = WIRELESS_MODE_N_5G;
1127                        }
1128
1129                        if (sta->vht_cap.vht_supported) {
1130                                if (rtlhal->current_bandtype == BAND_ON_5G)
1131                                        mac->mode = WIRELESS_MODE_AC_5G;
1132                                else
1133                                        mac->mode = WIRELESS_MODE_AC_24G;
1134                        }
1135
1136                        if (vif->type == NL80211_IFTYPE_STATION)
1137                                rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0,
1138                                                                   true);
1139                        rcu_read_unlock();
1140
1141                        /* to avoid AP Disassociation caused by inactivity */
1142                        rtlpriv->cfg->ops->set_hw_reg(hw,
1143                                                      HW_VAR_KEEP_ALIVE,
1144                                                      (u8 *)(&keep_alive));
1145
1146                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1147                                "BSS_CHANGED_ASSOC\n");
1148                } else {
1149                        struct cfg80211_bss *bss = NULL;
1150
1151                        mstatus = RT_MEDIA_DISCONNECT;
1152
1153                        if (mac->link_state == MAC80211_LINKED)
1154                                rtl_lps_leave(hw, true);
1155                        if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1156                                rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1157                        mac->link_state = MAC80211_NOLINK;
1158
1159                        bss = cfg80211_get_bss(hw->wiphy, NULL,
1160                                               (u8 *)mac->bssid, NULL, 0,
1161                                               IEEE80211_BSS_TYPE_ESS,
1162                                               IEEE80211_PRIVACY_OFF);
1163
1164                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1165                                "bssid = %pMF\n", mac->bssid);
1166
1167                        if (bss) {
1168                                cfg80211_unlink_bss(hw->wiphy, bss);
1169                                cfg80211_put_bss(hw->wiphy, bss);
1170                                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1171                                        "cfg80211_unlink !!\n");
1172                        }
1173
1174                        eth_zero_addr(mac->bssid);
1175                        mac->vendor = PEER_UNKNOWN;
1176                        mac->mode = 0;
1177
1178                        if (rtlpriv->dm.supp_phymode_switch) {
1179                                if (rtlpriv->cfg->ops->chk_switch_dmdp)
1180                                        rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1181                        }
1182                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1183                                "BSS_CHANGED_UN_ASSOC\n");
1184                }
1185                rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1186                /* For FW LPS:
1187                 * To tell firmware we have connected or disconnected
1188                 */
1189                rtlpriv->cfg->ops->set_hw_reg(hw,
1190                                              HW_VAR_H2C_FW_JOINBSSRPT,
1191                                              (u8 *)(&mstatus));
1192                ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1193                                      true : false;
1194
1195                if (rtlpriv->cfg->ops->get_btc_status())
1196                        rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1197                                                        rtlpriv, mstatus);
1198        }
1199
1200        if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1201                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1202                        "BSS_CHANGED_ERP_CTS_PROT\n");
1203                mac->use_cts_protect = bss_conf->use_cts_prot;
1204        }
1205
1206        if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1207                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
1208                        "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1209                          bss_conf->use_short_preamble);
1210
1211                mac->short_preamble = bss_conf->use_short_preamble;
1212                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1213                                              (u8 *)(&mac->short_preamble));
1214        }
1215
1216        if (changed & BSS_CHANGED_ERP_SLOT) {
1217                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1218                        "BSS_CHANGED_ERP_SLOT\n");
1219
1220                if (bss_conf->use_short_slot)
1221                        mac->slot_time = RTL_SLOT_TIME_9;
1222                else
1223                        mac->slot_time = RTL_SLOT_TIME_20;
1224
1225                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1226                                              (u8 *)(&mac->slot_time));
1227        }
1228
1229        if (changed & BSS_CHANGED_HT) {
1230                struct ieee80211_sta *sta = NULL;
1231
1232                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1233                        "BSS_CHANGED_HT\n");
1234
1235                rcu_read_lock();
1236                sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1237                if (sta) {
1238                        if (sta->ht_cap.ampdu_density >
1239                            mac->current_ampdu_density)
1240                                mac->current_ampdu_density =
1241                                    sta->ht_cap.ampdu_density;
1242                        if (sta->ht_cap.ampdu_factor <
1243                            mac->current_ampdu_factor)
1244                                mac->current_ampdu_factor =
1245                                    sta->ht_cap.ampdu_factor;
1246                }
1247                rcu_read_unlock();
1248
1249                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1250                                              (u8 *)(&mac->max_mss_density));
1251                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1252                                              &mac->current_ampdu_factor);
1253                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1254                                              &mac->current_ampdu_density);
1255        }
1256
1257        if (changed & BSS_CHANGED_BSSID) {
1258                u32 basic_rates;
1259                struct ieee80211_sta *sta = NULL;
1260
1261                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1262                                              (u8 *)bss_conf->bssid);
1263
1264                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1265                        "bssid: %pM\n", bss_conf->bssid);
1266
1267                mac->vendor = PEER_UNKNOWN;
1268                memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1269
1270                rcu_read_lock();
1271                sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1272                if (!sta) {
1273                        rcu_read_unlock();
1274                        goto out;
1275                }
1276
1277                if (rtlhal->current_bandtype == BAND_ON_5G) {
1278                        mac->mode = WIRELESS_MODE_A;
1279                } else {
1280                        if (sta->supp_rates[0] <= 0xf)
1281                                mac->mode = WIRELESS_MODE_B;
1282                        else
1283                                mac->mode = WIRELESS_MODE_G;
1284                }
1285
1286                if (sta->ht_cap.ht_supported) {
1287                        if (rtlhal->current_bandtype == BAND_ON_2_4G)
1288                                mac->mode = WIRELESS_MODE_N_24G;
1289                        else
1290                                mac->mode = WIRELESS_MODE_N_5G;
1291                }
1292
1293                if (sta->vht_cap.vht_supported) {
1294                        if (rtlhal->current_bandtype == BAND_ON_5G)
1295                                mac->mode = WIRELESS_MODE_AC_5G;
1296                        else
1297                                mac->mode = WIRELESS_MODE_AC_24G;
1298                }
1299
1300                /* just station need it, because ibss & ap mode will
1301                 * set in sta_add, and will be NULL here */
1302                if (vif->type == NL80211_IFTYPE_STATION) {
1303                        struct rtl_sta_info *sta_entry;
1304
1305                        sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1306                        sta_entry->wireless_mode = mac->mode;
1307                }
1308
1309                if (sta->ht_cap.ht_supported) {
1310                        mac->ht_enable = true;
1311
1312                        /*
1313                         * for cisco 1252 bw20 it's wrong
1314                         * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1315                         *      mac->bw_40 = true;
1316                         * }
1317                         * */
1318                }
1319
1320                if (sta->vht_cap.vht_supported)
1321                        mac->vht_enable = true;
1322
1323                if (changed & BSS_CHANGED_BASIC_RATES) {
1324                        /* for 5G must << RATE_6M_INDEX = 4,
1325                         * because 5G have no cck rate*/
1326                        if (rtlhal->current_bandtype == BAND_ON_5G)
1327                                basic_rates = sta->supp_rates[1] << 4;
1328                        else
1329                                basic_rates = sta->supp_rates[0];
1330
1331                        mac->basic_rates = basic_rates;
1332                        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1333                                        (u8 *)(&basic_rates));
1334                }
1335                rcu_read_unlock();
1336        }
1337out:
1338        mutex_unlock(&rtlpriv->locks.conf_mutex);
1339}
1340
1341static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1342{
1343        struct rtl_priv *rtlpriv = rtl_priv(hw);
1344        u64 tsf;
1345
1346        rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1347        return tsf;
1348}
1349
1350static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1351                           struct ieee80211_vif *vif, u64 tsf)
1352{
1353        struct rtl_priv *rtlpriv = rtl_priv(hw);
1354        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1355        u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1356
1357        mac->tsf = tsf;
1358        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1359}
1360
1361static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1362{
1363        struct rtl_priv *rtlpriv = rtl_priv(hw);
1364        u8 tmp = 0;
1365
1366        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1367}
1368
1369static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1370                              struct ieee80211_vif *vif,
1371                              enum sta_notify_cmd cmd,
1372                              struct ieee80211_sta *sta)
1373{
1374        switch (cmd) {
1375        case STA_NOTIFY_SLEEP:
1376                break;
1377        case STA_NOTIFY_AWAKE:
1378                break;
1379        default:
1380                break;
1381        }
1382}
1383
1384static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1385                               struct ieee80211_vif *vif,
1386                               struct ieee80211_ampdu_params *params)
1387{
1388        struct rtl_priv *rtlpriv = rtl_priv(hw);
1389        struct ieee80211_sta *sta = params->sta;
1390        enum ieee80211_ampdu_mlme_action action = params->action;
1391        u16 tid = params->tid;
1392        u16 *ssn = &params->ssn;
1393
1394        switch (action) {
1395        case IEEE80211_AMPDU_TX_START:
1396                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1397                        "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1398                return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1399        case IEEE80211_AMPDU_TX_STOP_CONT:
1400        case IEEE80211_AMPDU_TX_STOP_FLUSH:
1401        case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1402                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1403                        "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1404                return rtl_tx_agg_stop(hw, vif, sta, tid);
1405        case IEEE80211_AMPDU_TX_OPERATIONAL:
1406                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1407                        "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1408                rtl_tx_agg_oper(hw, sta, tid);
1409                break;
1410        case IEEE80211_AMPDU_RX_START:
1411                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1412                        "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1413                return rtl_rx_agg_start(hw, sta, tid);
1414        case IEEE80211_AMPDU_RX_STOP:
1415                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1416                        "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1417                return rtl_rx_agg_stop(hw, sta, tid);
1418        default:
1419                pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
1420                return -EOPNOTSUPP;
1421        }
1422        return 0;
1423}
1424
1425static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1426                                 struct ieee80211_vif *vif,
1427                                 const u8 *mac_addr)
1428{
1429        struct rtl_priv *rtlpriv = rtl_priv(hw);
1430        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1431
1432        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1433        mac->act_scanning = true;
1434        if (rtlpriv->link_info.higher_busytraffic) {
1435                mac->skip_scan = true;
1436                return;
1437        }
1438
1439        if (rtlpriv->cfg->ops->get_btc_status())
1440                rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1441        else if (rtlpriv->btcoexist.btc_ops)
1442                rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1443                                                                      1);
1444
1445        if (rtlpriv->dm.supp_phymode_switch) {
1446                if (rtlpriv->cfg->ops->chk_switch_dmdp)
1447                        rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1448        }
1449
1450        if (mac->link_state == MAC80211_LINKED) {
1451                rtl_lps_leave(hw, true);
1452                mac->link_state = MAC80211_LINKED_SCANNING;
1453        } else {
1454                rtl_ips_nic_on(hw);
1455        }
1456
1457        /* Dul mac */
1458        rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1459
1460        rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1461        rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1462}
1463
1464static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1465                                    struct ieee80211_vif *vif)
1466{
1467        struct rtl_priv *rtlpriv = rtl_priv(hw);
1468        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1469
1470        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1471        mac->act_scanning = false;
1472        mac->skip_scan = false;
1473
1474        rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1475
1476        if (rtlpriv->link_info.higher_busytraffic)
1477                return;
1478
1479        /* p2p will use 1/6/11 to scan */
1480        if (mac->n_channels == 3)
1481                mac->p2p_in_use = true;
1482        else
1483                mac->p2p_in_use = false;
1484        mac->n_channels = 0;
1485        /* Dul mac */
1486        rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1487
1488        if (mac->link_state == MAC80211_LINKED_SCANNING) {
1489                mac->link_state = MAC80211_LINKED;
1490                if (mac->opmode == NL80211_IFTYPE_STATION) {
1491                        /* fix fwlps issue */
1492                        rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1493                }
1494        }
1495
1496        rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1497        if (rtlpriv->cfg->ops->get_btc_status())
1498                rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1499        else if (rtlpriv->btcoexist.btc_ops)
1500                rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1501                                                                      0);
1502}
1503
1504static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1505                          struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1506                          struct ieee80211_key_conf *key)
1507{
1508        struct rtl_priv *rtlpriv = rtl_priv(hw);
1509        u8 key_type = NO_ENCRYPTION;
1510        u8 key_idx;
1511        bool group_key = false;
1512        bool wep_only = false;
1513        int err = 0;
1514        u8 mac_addr[ETH_ALEN];
1515        u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1516
1517        rtlpriv->btcoexist.btc_info.in_4way = false;
1518
1519        if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1520                rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
1521                        "not open hw encryption\n");
1522                return -ENOSPC; /*User disabled HW-crypto */
1523        }
1524        /* To support IBSS, use sw-crypto for GTK */
1525        if ((vif->type == NL80211_IFTYPE_ADHOC ||
1526             vif->type == NL80211_IFTYPE_MESH_POINT) &&
1527            !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1528                return -ENOSPC;
1529        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1530                "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1531                cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1532                sta ? sta->addr : bcast_addr);
1533        rtlpriv->sec.being_setkey = true;
1534        rtl_ips_nic_on(hw);
1535        mutex_lock(&rtlpriv->locks.conf_mutex);
1536        /* <1> get encryption alg */
1537
1538        switch (key->cipher) {
1539        case WLAN_CIPHER_SUITE_WEP40:
1540                key_type = WEP40_ENCRYPTION;
1541                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1542                break;
1543        case WLAN_CIPHER_SUITE_WEP104:
1544                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1545                key_type = WEP104_ENCRYPTION;
1546                break;
1547        case WLAN_CIPHER_SUITE_TKIP:
1548                key_type = TKIP_ENCRYPTION;
1549                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1550                break;
1551        case WLAN_CIPHER_SUITE_CCMP:
1552                key_type = AESCCMP_ENCRYPTION;
1553                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1554                break;
1555        case WLAN_CIPHER_SUITE_AES_CMAC:
1556                /* HW don't support CMAC encryption,
1557                 * use software CMAC encryption
1558                 */
1559                key_type = AESCMAC_ENCRYPTION;
1560                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1561                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1562                        "HW don't support CMAC encryption, use software CMAC encryption\n");
1563                err = -EOPNOTSUPP;
1564                goto out_unlock;
1565        default:
1566                pr_err("alg_err:%x!!!!:\n", key->cipher);
1567                goto out_unlock;
1568        }
1569        if (key_type == WEP40_ENCRYPTION ||
1570           key_type == WEP104_ENCRYPTION ||
1571           vif->type == NL80211_IFTYPE_ADHOC)
1572                rtlpriv->sec.use_defaultkey = true;
1573
1574        /* <2> get key_idx */
1575        key_idx = (u8) (key->keyidx);
1576        if (key_idx > 3)
1577                goto out_unlock;
1578        /* <3> if pairwise key enable_hw_sec */
1579        group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1580
1581        /* wep always be group key, but there are two conditions:
1582         * 1) wep only: is just for wep enc, in this condition
1583         * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1584         * will be true & enable_hw_sec will be set when wep
1585         * ke setting.
1586         * 2) wep(group) + AES(pairwise): some AP like cisco
1587         * may use it, in this condition enable_hw_sec will not
1588         * be set when wep key setting */
1589        /* we must reset sec_info after lingked before set key,
1590         * or some flag will be wrong*/
1591        if (vif->type == NL80211_IFTYPE_AP ||
1592                vif->type == NL80211_IFTYPE_MESH_POINT) {
1593                if (!group_key || key_type == WEP40_ENCRYPTION ||
1594                        key_type == WEP104_ENCRYPTION) {
1595                        if (group_key)
1596                                wep_only = true;
1597                        rtlpriv->cfg->ops->enable_hw_sec(hw);
1598                }
1599        } else {
1600                if (!group_key || vif->type == NL80211_IFTYPE_ADHOC ||
1601                    rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1602                        if (rtlpriv->sec.pairwise_enc_algorithm ==
1603                            NO_ENCRYPTION &&
1604                           (key_type == WEP40_ENCRYPTION ||
1605                            key_type == WEP104_ENCRYPTION))
1606                                wep_only = true;
1607                        rtlpriv->sec.pairwise_enc_algorithm = key_type;
1608                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1609                                "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1610                                key_type);
1611                        rtlpriv->cfg->ops->enable_hw_sec(hw);
1612                }
1613        }
1614        /* <4> set key based on cmd */
1615        switch (cmd) {
1616        case SET_KEY:
1617                if (wep_only) {
1618                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1619                                "set WEP(group/pairwise) key\n");
1620                        /* Pairwise key with an assigned MAC address. */
1621                        rtlpriv->sec.pairwise_enc_algorithm = key_type;
1622                        rtlpriv->sec.group_enc_algorithm = key_type;
1623                        /*set local buf about wep key. */
1624                        memcpy(rtlpriv->sec.key_buf[key_idx],
1625                               key->key, key->keylen);
1626                        rtlpriv->sec.key_len[key_idx] = key->keylen;
1627                        eth_zero_addr(mac_addr);
1628                } else if (group_key) { /* group key */
1629                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1630                                "set group key\n");
1631                        /* group key */
1632                        rtlpriv->sec.group_enc_algorithm = key_type;
1633                        /*set local buf about group key. */
1634                        memcpy(rtlpriv->sec.key_buf[key_idx],
1635                               key->key, key->keylen);
1636                        rtlpriv->sec.key_len[key_idx] = key->keylen;
1637                        memcpy(mac_addr, bcast_addr, ETH_ALEN);
1638                } else {        /* pairwise key */
1639                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1640                                "set pairwise key\n");
1641                        if (!sta) {
1642                                WARN_ONCE(true,
1643                                          "rtlwifi: pairwise key without mac_addr\n");
1644
1645                                err = -EOPNOTSUPP;
1646                                goto out_unlock;
1647                        }
1648                        /* Pairwise key with an assigned MAC address. */
1649                        rtlpriv->sec.pairwise_enc_algorithm = key_type;
1650                        /*set local buf about pairwise key. */
1651                        memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1652                               key->key, key->keylen);
1653                        rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1654                        rtlpriv->sec.pairwise_key =
1655                            rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1656                        memcpy(mac_addr, sta->addr, ETH_ALEN);
1657                }
1658                rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1659                                           group_key, key_type, wep_only,
1660                                           false);
1661                /* <5> tell mac80211 do something: */
1662                /*must use sw generate IV, or can not work !!!!. */
1663                key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1664                key->hw_key_idx = key_idx;
1665                if (key_type == TKIP_ENCRYPTION)
1666                        key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1667                /*use software CCMP encryption for management frames (MFP) */
1668                if (key_type == AESCCMP_ENCRYPTION)
1669                        key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1670                break;
1671        case DISABLE_KEY:
1672                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1673                        "disable key delete one entry\n");
1674                /*set local buf about wep key. */
1675                if (vif->type == NL80211_IFTYPE_AP ||
1676                        vif->type == NL80211_IFTYPE_MESH_POINT) {
1677                        if (sta)
1678                                rtl_cam_del_entry(hw, sta->addr);
1679                }
1680                memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1681                rtlpriv->sec.key_len[key_idx] = 0;
1682                eth_zero_addr(mac_addr);
1683                /*
1684                 *mac80211 will delete entrys one by one,
1685                 *so don't use rtl_cam_reset_all_entry
1686                 *or clear all entry here.
1687                 */
1688                rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */
1689
1690                rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1691                break;
1692        default:
1693                pr_err("cmd_err:%x!!!!:\n", cmd);
1694        }
1695out_unlock:
1696        mutex_unlock(&rtlpriv->locks.conf_mutex);
1697        rtlpriv->sec.being_setkey = false;
1698        return err;
1699}
1700
1701static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1702{
1703        struct rtl_priv *rtlpriv = rtl_priv(hw);
1704
1705        bool radio_state;
1706        bool blocked;
1707        u8 valid = 0;
1708
1709        if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1710                return;
1711
1712        mutex_lock(&rtlpriv->locks.conf_mutex);
1713
1714        /*if Radio On return true here */
1715        radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1716
1717        if (valid) {
1718                if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1719                        rtlpriv->rfkill.rfkill_state = radio_state;
1720
1721                        rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG,
1722                                "wireless radio switch turned %s\n",
1723                                radio_state ? "on" : "off");
1724
1725                        blocked = !rtlpriv->rfkill.rfkill_state;
1726                        wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1727                }
1728        }
1729
1730        mutex_unlock(&rtlpriv->locks.conf_mutex);
1731}
1732
1733/* this function is called by mac80211 to flush tx buffer
1734 * before switch channle or power save, or tx buffer packet
1735 * maybe send after offchannel or rf sleep, this may cause
1736 * dis-association by AP */
1737static void rtl_op_flush(struct ieee80211_hw *hw,
1738                         struct ieee80211_vif *vif,
1739                         u32 queues,
1740                         bool drop)
1741{
1742        struct rtl_priv *rtlpriv = rtl_priv(hw);
1743
1744        if (rtlpriv->intf_ops->flush)
1745                rtlpriv->intf_ops->flush(hw, queues, drop);
1746}
1747
1748/*      Description:
1749 *              This routine deals with the Power Configuration CMD
1750 *               parsing for RTL8723/RTL8188E Series IC.
1751 *      Assumption:
1752 *              We should follow specific format that was released from HW SD.
1753 */
1754bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1755                              u8 faversion, u8 interface_type,
1756                              struct wlan_pwr_cfg pwrcfgcmd[])
1757{
1758        struct wlan_pwr_cfg cfg_cmd;
1759        bool polling_bit = false;
1760        u32 ary_idx = 0;
1761        u8 value = 0;
1762        u32 offset = 0;
1763        u32 polling_count = 0;
1764        u32 max_polling_cnt = 5000;
1765
1766        do {
1767                cfg_cmd = pwrcfgcmd[ary_idx];
1768                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1769                        "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1770                        __func__,
1771                        GET_PWR_CFG_OFFSET(cfg_cmd),
1772                                           GET_PWR_CFG_CUT_MASK(cfg_cmd),
1773                        GET_PWR_CFG_FAB_MASK(cfg_cmd),
1774                                             GET_PWR_CFG_INTF_MASK(cfg_cmd),
1775                        GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1776                        GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1777
1778                if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1779                    (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1780                    (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1781                        switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1782                        case PWR_CMD_READ:
1783                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1784                                        "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1785                                break;
1786                        case PWR_CMD_WRITE:
1787                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1788                                        "%s(): PWR_CMD_WRITE\n", __func__);
1789                                offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1790
1791                                /*Read the value from system register*/
1792                                value = rtl_read_byte(rtlpriv, offset);
1793                                value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1794                                value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1795                                          GET_PWR_CFG_MASK(cfg_cmd));
1796
1797                                /*Write the value back to sytem register*/
1798                                rtl_write_byte(rtlpriv, offset, value);
1799                                break;
1800                        case PWR_CMD_POLLING:
1801                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1802                                        "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1803                                polling_bit = false;
1804                                offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1805
1806                                do {
1807                                        value = rtl_read_byte(rtlpriv, offset);
1808
1809                                        value &= GET_PWR_CFG_MASK(cfg_cmd);
1810                                        if (value ==
1811                                            (GET_PWR_CFG_VALUE(cfg_cmd) &
1812                                             GET_PWR_CFG_MASK(cfg_cmd)))
1813                                                polling_bit = true;
1814                                        else
1815                                                udelay(10);
1816
1817                                        if (polling_count++ > max_polling_cnt)
1818                                                return false;
1819                                } while (!polling_bit);
1820                                break;
1821                        case PWR_CMD_DELAY:
1822                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1823                                        "%s: PWR_CMD_DELAY\n", __func__);
1824                                if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1825                                    PWRSEQ_DELAY_US)
1826                                        udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1827                                else
1828                                        mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1829                                break;
1830                        case PWR_CMD_END:
1831                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1832                                        "%s: PWR_CMD_END\n", __func__);
1833                                return true;
1834                        default:
1835                                WARN_ONCE(true,
1836                                          "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1837                                break;
1838                        }
1839                }
1840                ary_idx++;
1841        } while (1);
1842
1843        return true;
1844}
1845EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1846
1847bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1848{
1849        struct rtl_priv *rtlpriv = rtl_priv(hw);
1850        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1851        struct rtl8192_tx_ring *ring;
1852        struct rtl_tx_desc *pdesc;
1853        unsigned long flags;
1854        struct sk_buff *pskb = NULL;
1855
1856        ring = &rtlpci->tx_ring[BEACON_QUEUE];
1857
1858        spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1859        pskb = __skb_dequeue(&ring->queue);
1860        if (pskb)
1861                dev_kfree_skb_irq(pskb);
1862
1863        /*this is wrong, fill_tx_cmddesc needs update*/
1864        pdesc = &ring->desc[0];
1865
1866        rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1867
1868        __skb_queue_tail(&ring->queue, skb);
1869
1870        spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1871
1872        rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1873
1874        return true;
1875}
1876EXPORT_SYMBOL(rtl_cmd_send_packet);
1877const struct ieee80211_ops rtl_ops = {
1878        .start = rtl_op_start,
1879        .stop = rtl_op_stop,
1880        .tx = rtl_op_tx,
1881        .add_interface = rtl_op_add_interface,
1882        .remove_interface = rtl_op_remove_interface,
1883        .change_interface = rtl_op_change_interface,
1884#ifdef CONFIG_PM
1885        .suspend = rtl_op_suspend,
1886        .resume = rtl_op_resume,
1887#endif
1888        .config = rtl_op_config,
1889        .configure_filter = rtl_op_configure_filter,
1890        .set_key = rtl_op_set_key,
1891        .conf_tx = rtl_op_conf_tx,
1892        .bss_info_changed = rtl_op_bss_info_changed,
1893        .get_tsf = rtl_op_get_tsf,
1894        .set_tsf = rtl_op_set_tsf,
1895        .reset_tsf = rtl_op_reset_tsf,
1896        .sta_notify = rtl_op_sta_notify,
1897        .ampdu_action = rtl_op_ampdu_action,
1898        .sw_scan_start = rtl_op_sw_scan_start,
1899        .sw_scan_complete = rtl_op_sw_scan_complete,
1900        .rfkill_poll = rtl_op_rfkill_poll,
1901        .sta_add = rtl_op_sta_add,
1902        .sta_remove = rtl_op_sta_remove,
1903        .flush = rtl_op_flush,
1904};
1905EXPORT_SYMBOL_GPL(rtl_ops);
1906
1907bool rtl_btc_status_false(void)
1908{
1909        return false;
1910}
1911EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1912
1913void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1914{
1915        struct rtl_priv *rtlpriv = rtl_priv(hw);
1916        struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1917
1918        dm_digtable->dig_enable_flag = true;
1919        dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1920        dm_digtable->cur_igvalue = cur_igvalue;
1921        dm_digtable->pre_igvalue = 0;
1922        dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1923        dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1924        dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1925        dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1926        dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1927        dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1928        dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1929        dm_digtable->rx_gain_max = DM_DIG_MAX;
1930        dm_digtable->rx_gain_min = DM_DIG_MIN;
1931        dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1932        dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1933        dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1934        dm_digtable->pre_cck_cca_thres = 0xff;
1935        dm_digtable->cur_cck_cca_thres = 0x83;
1936        dm_digtable->forbidden_igi = DM_DIG_MIN;
1937        dm_digtable->large_fa_hit = 0;
1938        dm_digtable->recover_cnt = 0;
1939        dm_digtable->dig_min_0 = 0x25;
1940        dm_digtable->dig_min_1 = 0x25;
1941        dm_digtable->media_connect_0 = false;
1942        dm_digtable->media_connect_1 = false;
1943        rtlpriv->dm.dm_initialgain_enable = true;
1944        dm_digtable->bt30_cur_igi = 0x32;
1945        dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1946        dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1947        dm_digtable->pre_cck_fa_state = 0;
1948        dm_digtable->cur_cck_fa_state = 0;
1949}
1950EXPORT_SYMBOL(rtl_dm_diginit);
1951