linux/drivers/net/wireless/realtek/rtlwifi/core.c
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   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        if (!firmware) {
  82                if (rtlpriv->cfg->alt_fw_name) {
  83                        err = request_firmware(&firmware,
  84                                               rtlpriv->cfg->alt_fw_name,
  85                                               rtlpriv->io.dev);
  86                        pr_info("Loading alternative firmware %s\n",
  87                                rtlpriv->cfg->alt_fw_name);
  88                        if (!err)
  89                                goto found_alt;
  90                }
  91                pr_err("Selected firmware is not available\n");
  92                rtlpriv->max_fw_size = 0;
  93                goto exit;
  94        }
  95found_alt:
  96        if (firmware->size > rtlpriv->max_fw_size) {
  97                pr_err("Firmware is too big!\n");
  98                release_firmware(firmware);
  99                goto exit;
 100        }
 101        if (!is_wow) {
 102                memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
 103                       firmware->size);
 104                rtlpriv->rtlhal.fwsize = firmware->size;
 105        } else {
 106                memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data,
 107                       firmware->size);
 108                rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
 109        }
 110        release_firmware(firmware);
 111
 112exit:
 113        complete(&rtlpriv->firmware_loading_complete);
 114}
 115
 116void rtl_fw_cb(const struct firmware *firmware, void *context)
 117{
 118        rtl_fw_do_work(firmware, context, false);
 119}
 120EXPORT_SYMBOL(rtl_fw_cb);
 121
 122void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context)
 123{
 124        rtl_fw_do_work(firmware, context, true);
 125}
 126EXPORT_SYMBOL(rtl_wowlan_fw_cb);
 127
 128/*mutex for start & stop is must here. */
 129static int rtl_op_start(struct ieee80211_hw *hw)
 130{
 131        int err = 0;
 132        struct rtl_priv *rtlpriv = rtl_priv(hw);
 133        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 134
 135        if (!is_hal_stop(rtlhal))
 136                return 0;
 137        if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 138                return 0;
 139        mutex_lock(&rtlpriv->locks.conf_mutex);
 140        err = rtlpriv->intf_ops->adapter_start(hw);
 141        if (!err)
 142                rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer);
 143        mutex_unlock(&rtlpriv->locks.conf_mutex);
 144        return err;
 145}
 146
 147static void rtl_op_stop(struct ieee80211_hw *hw)
 148{
 149        struct rtl_priv *rtlpriv = rtl_priv(hw);
 150        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 151        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 152        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 153        bool support_remote_wakeup = false;
 154
 155        if (is_hal_stop(rtlhal))
 156                return;
 157
 158        rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN,
 159                                      (u8 *)(&support_remote_wakeup));
 160        /* here is must, because adhoc do stop and start,
 161         * but stop with RFOFF may cause something wrong,
 162         * like adhoc TP
 163         */
 164        if (unlikely(ppsc->rfpwr_state == ERFOFF))
 165                rtl_ips_nic_on(hw);
 166
 167        mutex_lock(&rtlpriv->locks.conf_mutex);
 168        /* if wowlan supported, DON'T clear connected info */
 169        if (!(support_remote_wakeup &&
 170              rtlhal->enter_pnp_sleep)) {
 171                mac->link_state = MAC80211_NOLINK;
 172                eth_zero_addr(mac->bssid);
 173                mac->vendor = PEER_UNKNOWN;
 174
 175                /* reset sec info */
 176                rtl_cam_reset_sec_info(hw);
 177
 178                rtl_deinit_deferred_work(hw, false);
 179        }
 180        rtlpriv->intf_ops->adapter_stop(hw);
 181
 182        mutex_unlock(&rtlpriv->locks.conf_mutex);
 183}
 184
 185static void rtl_op_tx(struct ieee80211_hw *hw,
 186                      struct ieee80211_tx_control *control,
 187                      struct sk_buff *skb)
 188{
 189        struct rtl_priv *rtlpriv = rtl_priv(hw);
 190        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 191        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 192        struct rtl_tcb_desc tcb_desc;
 193
 194        memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 195
 196        if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON))
 197                goto err_free;
 198
 199        if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
 200                goto err_free;
 201
 202        if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
 203                rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
 204        return;
 205
 206err_free:
 207        dev_kfree_skb_any(skb);
 208}
 209
 210static int rtl_op_add_interface(struct ieee80211_hw *hw,
 211                struct ieee80211_vif *vif)
 212{
 213        struct rtl_priv *rtlpriv = rtl_priv(hw);
 214        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 215        int err = 0;
 216        u8 retry_limit = 0x30;
 217
 218        if (mac->vif) {
 219                rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
 220                        "vif has been set!! mac->vif = 0x%p\n", mac->vif);
 221                return -EOPNOTSUPP;
 222        }
 223
 224        vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
 225
 226        rtl_ips_nic_on(hw);
 227
 228        mutex_lock(&rtlpriv->locks.conf_mutex);
 229        switch (ieee80211_vif_type_p2p(vif)) {
 230        case NL80211_IFTYPE_P2P_CLIENT:
 231                mac->p2p = P2P_ROLE_CLIENT;
 232                fallthrough;
 233        case NL80211_IFTYPE_STATION:
 234                if (mac->beacon_enabled == 1) {
 235                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 236                                "NL80211_IFTYPE_STATION\n");
 237                        mac->beacon_enabled = 0;
 238                        rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 239                                        rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 240                }
 241                break;
 242        case NL80211_IFTYPE_ADHOC:
 243                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 244                        "NL80211_IFTYPE_ADHOC\n");
 245
 246                mac->link_state = MAC80211_LINKED;
 247                rtlpriv->cfg->ops->set_bcn_reg(hw);
 248                if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 249                        mac->basic_rates = 0xfff;
 250                else
 251                        mac->basic_rates = 0xff0;
 252                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 253                                (u8 *)(&mac->basic_rates));
 254
 255                retry_limit = 0x07;
 256                break;
 257        case NL80211_IFTYPE_P2P_GO:
 258                mac->p2p = P2P_ROLE_GO;
 259                fallthrough;
 260        case NL80211_IFTYPE_AP:
 261                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 262                        "NL80211_IFTYPE_AP\n");
 263
 264                mac->link_state = MAC80211_LINKED;
 265                rtlpriv->cfg->ops->set_bcn_reg(hw);
 266                if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 267                        mac->basic_rates = 0xfff;
 268                else
 269                        mac->basic_rates = 0xff0;
 270                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 271                                              (u8 *)(&mac->basic_rates));
 272
 273                retry_limit = 0x07;
 274                break;
 275        case NL80211_IFTYPE_MESH_POINT:
 276                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 277                        "NL80211_IFTYPE_MESH_POINT\n");
 278
 279                mac->link_state = MAC80211_LINKED;
 280                rtlpriv->cfg->ops->set_bcn_reg(hw);
 281                if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
 282                        mac->basic_rates = 0xfff;
 283                else
 284                        mac->basic_rates = 0xff0;
 285                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 286                                (u8 *)(&mac->basic_rates));
 287
 288                retry_limit = 0x07;
 289                break;
 290        default:
 291                pr_err("operation mode %d is not supported!\n",
 292                       vif->type);
 293                err = -EOPNOTSUPP;
 294                goto out;
 295        }
 296
 297        if (mac->p2p) {
 298                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 299                        "p2p role %x\n", vif->type);
 300                mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
 301                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
 302                                (u8 *)(&mac->basic_rates));
 303        }
 304        mac->vif = vif;
 305        mac->opmode = vif->type;
 306        rtlpriv->cfg->ops->set_network_type(hw, vif->type);
 307        memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
 308        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
 309
 310        mac->retry_long = retry_limit;
 311        mac->retry_short = retry_limit;
 312        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 313                        (u8 *)(&retry_limit));
 314out:
 315        mutex_unlock(&rtlpriv->locks.conf_mutex);
 316        return err;
 317}
 318
 319static void rtl_op_remove_interface(struct ieee80211_hw *hw,
 320                struct ieee80211_vif *vif)
 321{
 322        struct rtl_priv *rtlpriv = rtl_priv(hw);
 323        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 324
 325        mutex_lock(&rtlpriv->locks.conf_mutex);
 326
 327        /* Free beacon resources */
 328        if (vif->type == NL80211_IFTYPE_AP ||
 329            vif->type == NL80211_IFTYPE_ADHOC ||
 330            vif->type == NL80211_IFTYPE_MESH_POINT) {
 331                if (mac->beacon_enabled == 1) {
 332                        mac->beacon_enabled = 0;
 333                        rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
 334                                        rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
 335                }
 336        }
 337
 338        /*
 339         *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
 340         *NO LINK for our hardware.
 341         */
 342        mac->p2p = 0;
 343        mac->vif = NULL;
 344        mac->link_state = MAC80211_NOLINK;
 345        eth_zero_addr(mac->bssid);
 346        mac->vendor = PEER_UNKNOWN;
 347        mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
 348        rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
 349
 350        mutex_unlock(&rtlpriv->locks.conf_mutex);
 351}
 352
 353static int rtl_op_change_interface(struct ieee80211_hw *hw,
 354                                   struct ieee80211_vif *vif,
 355                                   enum nl80211_iftype new_type, bool p2p)
 356{
 357        struct rtl_priv *rtlpriv = rtl_priv(hw);
 358        int ret;
 359
 360        rtl_op_remove_interface(hw, vif);
 361
 362        vif->type = new_type;
 363        vif->p2p = p2p;
 364        ret = rtl_op_add_interface(hw, vif);
 365        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 366                "p2p  %x\n", p2p);
 367        return ret;
 368}
 369
 370#ifdef CONFIG_PM
 371static u16 crc16_ccitt(u8 data, u16 crc)
 372{
 373        u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15;
 374        u8 i;
 375        u16 result;
 376
 377        for (i = 0; i < 8; i++) {
 378                crc_bit15 = ((crc & BIT(15)) ? 1 : 0);
 379                data_bit  = (data & (BIT(0) << i) ? 1 : 0);
 380                shift_in = crc_bit15 ^ data_bit;
 381
 382                result = crc << 1;
 383                if (shift_in == 0)
 384                        result &= (~BIT(0));
 385                else
 386                        result |= BIT(0);
 387
 388                crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in;
 389                if (crc_bit11 == 0)
 390                        result &= (~BIT(12));
 391                else
 392                        result |= BIT(12);
 393
 394                crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in;
 395                if (crc_bit4 == 0)
 396                        result &= (~BIT(5));
 397                else
 398                        result |= BIT(5);
 399
 400                crc = result;
 401        }
 402
 403        return crc;
 404}
 405
 406static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len)
 407{
 408        u16 crc = 0xffff;
 409        u32 i;
 410
 411        for (i = 0; i < len; i++)
 412                crc = crc16_ccitt(pattern[i], crc);
 413
 414        crc = ~crc;
 415
 416        return crc;
 417}
 418
 419static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw,
 420                                     struct cfg80211_wowlan *wow)
 421{
 422        struct rtl_priv *rtlpriv = rtl_priv(hw);
 423        struct rtl_mac *mac = &rtlpriv->mac80211;
 424        struct cfg80211_pkt_pattern *patterns = wow->patterns;
 425        struct rtl_wow_pattern rtl_pattern;
 426        const u8 *pattern_os, *mask_os;
 427        u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0};
 428        u8 content[MAX_WOL_PATTERN_SIZE] = {0};
 429        u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 430        u8 multicast_addr1[2] = {0x33, 0x33};
 431        u8 multicast_addr2[3] = {0x01, 0x00, 0x5e};
 432        u8 i, mask_len;
 433        u16 j, len;
 434
 435        for (i = 0; i < wow->n_patterns; i++) {
 436                memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern));
 437                memset(mask, 0, MAX_WOL_BIT_MASK_SIZE);
 438                if (patterns[i].pattern_len < 0 ||
 439                    patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) {
 440                        rtl_dbg(rtlpriv, COMP_POWER, DBG_WARNING,
 441                                "Pattern[%d] is too long\n", i);
 442                        continue;
 443                }
 444                pattern_os = patterns[i].pattern;
 445                mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8);
 446                mask_os = patterns[i].mask;
 447                RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 448                              "pattern content\n", pattern_os,
 449                               patterns[i].pattern_len);
 450                RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 451                              "mask content\n", mask_os, mask_len);
 452                /* 1. unicast? multicast? or broadcast? */
 453                if (memcmp(pattern_os, broadcast_addr, 6) == 0)
 454                        rtl_pattern.type = BROADCAST_PATTERN;
 455                else if (memcmp(pattern_os, multicast_addr1, 2) == 0 ||
 456                         memcmp(pattern_os, multicast_addr2, 3) == 0)
 457                        rtl_pattern.type = MULTICAST_PATTERN;
 458                else if  (memcmp(pattern_os, mac->mac_addr, 6) == 0)
 459                        rtl_pattern.type = UNICAST_PATTERN;
 460                else
 461                        rtl_pattern.type = UNKNOWN_TYPE;
 462
 463                /* 2. translate mask_from_os to mask_for_hw */
 464
 465/******************************************************************************
 466 * pattern from OS uses 'ethenet frame', like this:
 467
 468                   |    6   |    6   |   2  |     20    |  Variable  |  4  |
 469                   |--------+--------+------+-----------+------------+-----|
 470                   |    802.3 Mac Header    | IP Header | TCP Packet | FCS |
 471                   |   DA   |   SA   | Type |
 472
 473 * BUT, packet catched by our HW is in '802.11 frame', begin from LLC,
 474
 475        |     24 or 30      |    6   |   2  |     20    |  Variable  |  4  |
 476        |-------------------+--------+------+-----------+------------+-----|
 477        | 802.11 MAC Header |       LLC     | IP Header | TCP Packet | FCS |
 478                            | Others | Tpye |
 479
 480 * Therefore, we need translate mask_from_OS to mask_to_hw.
 481 * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
 482 * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
 483 * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
 484 ******************************************************************************/
 485
 486                /* Shift 6 bits */
 487                for (j = 0; j < mask_len - 1; j++) {
 488                        mask[j] = mask_os[j] >> 6;
 489                        mask[j] |= (mask_os[j + 1] & 0x3F) << 2;
 490                }
 491                mask[j] = (mask_os[j] >> 6) & 0x3F;
 492                /* Set bit 0-5 to zero */
 493                mask[0] &= 0xC0;
 494
 495                RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 496                              "mask to hw\n", mask, mask_len);
 497                for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) {
 498                        rtl_pattern.mask[j] = mask[j * 4];
 499                        rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8);
 500                        rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16);
 501                        rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24);
 502                }
 503
 504                /* To get the wake up pattern from the mask.
 505                 * We do not count first 12 bits which means
 506                 * DA[6] and SA[6] in the pattern to match HW design.
 507                 */
 508                len = 0;
 509                for (j = 12; j < patterns[i].pattern_len; j++) {
 510                        if ((mask_os[j / 8] >> (j % 8)) & 0x01) {
 511                                content[len] = pattern_os[j];
 512                                len++;
 513                        }
 514                }
 515
 516                RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE,
 517                              "pattern to hw\n", content, len);
 518                /* 3. calculate crc */
 519                rtl_pattern.crc = _calculate_wol_pattern_crc(content, len);
 520                rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
 521                        "CRC_Remainder = 0x%x\n", rtl_pattern.crc);
 522
 523                /* 4. write crc & mask_for_hw to hw */
 524                rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i);
 525        }
 526        rtl_write_byte(rtlpriv, 0x698, wow->n_patterns);
 527}
 528
 529static int rtl_op_suspend(struct ieee80211_hw *hw,
 530                          struct cfg80211_wowlan *wow)
 531{
 532        struct rtl_priv *rtlpriv = rtl_priv(hw);
 533        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 534        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 535
 536        rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 537        if (WARN_ON(!wow))
 538                return -EINVAL;
 539
 540        /* to resolve s4 can not wake up*/
 541        rtlhal->last_suspend_sec = ktime_get_real_seconds();
 542
 543        if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns)
 544                _rtl_add_wowlan_patterns(hw, wow);
 545
 546        rtlhal->driver_is_goingto_unload = true;
 547        rtlhal->enter_pnp_sleep = true;
 548
 549        rtl_lps_leave(hw, true);
 550        rtl_op_stop(hw);
 551        device_set_wakeup_enable(wiphy_dev(hw->wiphy), true);
 552        return 0;
 553}
 554
 555static int rtl_op_resume(struct ieee80211_hw *hw)
 556{
 557        struct rtl_priv *rtlpriv = rtl_priv(hw);
 558        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 559        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 560        time64_t now;
 561
 562        rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n");
 563        rtlhal->driver_is_goingto_unload = false;
 564        rtlhal->enter_pnp_sleep = false;
 565        rtlhal->wake_from_pnp_sleep = true;
 566
 567        /* to resolve s4 can not wake up*/
 568        now = ktime_get_real_seconds();
 569        if (now - rtlhal->last_suspend_sec < 5)
 570                return -1;
 571
 572        rtl_op_start(hw);
 573        device_set_wakeup_enable(wiphy_dev(hw->wiphy), false);
 574        ieee80211_resume_disconnect(mac->vif);
 575        rtlhal->wake_from_pnp_sleep = false;
 576        return 0;
 577}
 578#endif
 579
 580static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
 581{
 582        struct rtl_priv *rtlpriv = rtl_priv(hw);
 583        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 584        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 585        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 586        struct ieee80211_conf *conf = &hw->conf;
 587
 588        if (mac->skip_scan)
 589                return 1;
 590
 591        mutex_lock(&rtlpriv->locks.conf_mutex);
 592        if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {  /* BIT(2)*/
 593                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 594                        "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n");
 595        }
 596
 597        /*For IPS */
 598        if (changed & IEEE80211_CONF_CHANGE_IDLE) {
 599                if (hw->conf.flags & IEEE80211_CONF_IDLE)
 600                        rtl_ips_nic_off(hw);
 601                else
 602                        rtl_ips_nic_on(hw);
 603        } else {
 604                /*
 605                 *although rfoff may not cause by ips, but we will
 606                 *check the reason in set_rf_power_state function
 607                 */
 608                if (unlikely(ppsc->rfpwr_state == ERFOFF))
 609                        rtl_ips_nic_on(hw);
 610        }
 611
 612        /*For LPS */
 613        if ((changed & IEEE80211_CONF_CHANGE_PS) &&
 614            rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) {
 615                cancel_delayed_work(&rtlpriv->works.ps_work);
 616                cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 617                if (conf->flags & IEEE80211_CONF_PS) {
 618                        rtlpriv->psc.sw_ps_enabled = true;
 619                        /* sleep here is must, or we may recv the beacon and
 620                         * cause mac80211 into wrong ps state, this will cause
 621                         * power save nullfunc send fail, and further cause
 622                         * pkt loss, So sleep must quickly but not immediatly
 623                         * because that will cause nullfunc send by mac80211
 624                         * fail, and cause pkt loss, we have tested that 5mA
 625                         * is worked very well */
 626                        if (!rtlpriv->psc.multi_buffered)
 627                                queue_delayed_work(rtlpriv->works.rtl_wq,
 628                                                   &rtlpriv->works.ps_work,
 629                                                   MSECS(5));
 630                } else {
 631                        rtl_swlps_rf_awake(hw);
 632                        rtlpriv->psc.sw_ps_enabled = false;
 633                }
 634        }
 635
 636        if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
 637                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 638                        "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
 639                        hw->conf.long_frame_max_tx_count);
 640                /* brought up everything changes (changed == ~0) indicates first
 641                 * open, so use our default value instead of that of wiphy.
 642                 */
 643                if (changed != ~0) {
 644                        mac->retry_long = hw->conf.long_frame_max_tx_count;
 645                        mac->retry_short = hw->conf.long_frame_max_tx_count;
 646                        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
 647                                (u8 *)(&hw->conf.long_frame_max_tx_count));
 648                }
 649        }
 650
 651        if (changed & IEEE80211_CONF_CHANGE_CHANNEL &&
 652            !rtlpriv->proximity.proxim_on) {
 653                struct ieee80211_channel *channel = hw->conf.chandef.chan;
 654                enum nl80211_chan_width width = hw->conf.chandef.width;
 655                enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
 656                u8 wide_chan = (u8) channel->hw_value;
 657
 658                /* channel_type is for 20&40M */
 659                if (width < NL80211_CHAN_WIDTH_80)
 660                        channel_type =
 661                                cfg80211_get_chandef_type(&hw->conf.chandef);
 662                if (mac->act_scanning)
 663                        mac->n_channels++;
 664
 665                if (rtlpriv->dm.supp_phymode_switch &&
 666                        mac->link_state < MAC80211_LINKED &&
 667                        !mac->act_scanning) {
 668                        if (rtlpriv->cfg->ops->chk_switch_dmdp)
 669                                rtlpriv->cfg->ops->chk_switch_dmdp(hw);
 670                }
 671
 672                /*
 673                 *because we should back channel to
 674                 *current_network.chan in in scanning,
 675                 *So if set_chan == current_network.chan
 676                 *we should set it.
 677                 *because mac80211 tell us wrong bw40
 678                 *info for cisco1253 bw20, so we modify
 679                 *it here based on UPPER & LOWER
 680                 */
 681
 682                if (width >= NL80211_CHAN_WIDTH_80) {
 683                        if (width == NL80211_CHAN_WIDTH_80) {
 684                                u32 center = hw->conf.chandef.center_freq1;
 685                                u32 primary =
 686                                (u32)hw->conf.chandef.chan->center_freq;
 687
 688                                rtlphy->current_chan_bw =
 689                                        HT_CHANNEL_WIDTH_80;
 690                                mac->bw_80 = true;
 691                                mac->bw_40 = true;
 692                                if (center > primary) {
 693                                        mac->cur_80_prime_sc =
 694                                        PRIME_CHNL_OFFSET_LOWER;
 695                                        if (center - primary == 10) {
 696                                                mac->cur_40_prime_sc =
 697                                                PRIME_CHNL_OFFSET_UPPER;
 698
 699                                                wide_chan += 2;
 700                                        } else if (center - primary == 30) {
 701                                                mac->cur_40_prime_sc =
 702                                                PRIME_CHNL_OFFSET_LOWER;
 703
 704                                                wide_chan += 6;
 705                                        }
 706                                } else {
 707                                        mac->cur_80_prime_sc =
 708                                        PRIME_CHNL_OFFSET_UPPER;
 709                                        if (primary - center == 10) {
 710                                                mac->cur_40_prime_sc =
 711                                                PRIME_CHNL_OFFSET_LOWER;
 712
 713                                                wide_chan -= 2;
 714                                        } else if (primary - center == 30) {
 715                                                mac->cur_40_prime_sc =
 716                                                PRIME_CHNL_OFFSET_UPPER;
 717
 718                                                wide_chan -= 6;
 719                                        }
 720                                }
 721                        }
 722                } else {
 723                        switch (channel_type) {
 724                        case NL80211_CHAN_HT20:
 725                        case NL80211_CHAN_NO_HT:
 726                                        /* SC */
 727                                        mac->cur_40_prime_sc =
 728                                                PRIME_CHNL_OFFSET_DONT_CARE;
 729                                        rtlphy->current_chan_bw =
 730                                                HT_CHANNEL_WIDTH_20;
 731                                        mac->bw_40 = false;
 732                                        mac->bw_80 = false;
 733                                        break;
 734                        case NL80211_CHAN_HT40MINUS:
 735                                        /* SC */
 736                                        mac->cur_40_prime_sc =
 737                                                PRIME_CHNL_OFFSET_UPPER;
 738                                        rtlphy->current_chan_bw =
 739                                                HT_CHANNEL_WIDTH_20_40;
 740                                        mac->bw_40 = true;
 741                                        mac->bw_80 = false;
 742
 743                                        /*wide channel */
 744                                        wide_chan -= 2;
 745
 746                                        break;
 747                        case NL80211_CHAN_HT40PLUS:
 748                                        /* SC */
 749                                        mac->cur_40_prime_sc =
 750                                                PRIME_CHNL_OFFSET_LOWER;
 751                                        rtlphy->current_chan_bw =
 752                                                HT_CHANNEL_WIDTH_20_40;
 753                                        mac->bw_40 = true;
 754                                        mac->bw_80 = false;
 755
 756                                        /*wide channel */
 757                                        wide_chan += 2;
 758
 759                                        break;
 760                        default:
 761                                        mac->bw_40 = false;
 762                                        mac->bw_80 = false;
 763                                        pr_err("switch case %#x not processed\n",
 764                                               channel_type);
 765                                        break;
 766                        }
 767                }
 768
 769                if (wide_chan <= 0)
 770                        wide_chan = 1;
 771
 772                /* In scanning, when before we offchannel we may send a ps=1
 773                 * null to AP, and then we may send a ps = 0 null to AP quickly,
 774                 * but first null may have caused AP to put lots of packet to
 775                 * hw tx buffer. These packets must be tx'd before we go off
 776                 * channel so we must delay more time to let AP flush these
 777                 * packets before going offchannel, or dis-association or
 778                 * delete BA will be caused by AP
 779                 */
 780                if (rtlpriv->mac80211.offchan_delay) {
 781                        rtlpriv->mac80211.offchan_delay = false;
 782                        mdelay(50);
 783                }
 784
 785                rtlphy->current_channel = wide_chan;
 786
 787                rtlpriv->cfg->ops->switch_channel(hw);
 788                rtlpriv->cfg->ops->set_channel_access(hw);
 789                rtlpriv->cfg->ops->set_bw_mode(hw, channel_type);
 790        }
 791
 792        mutex_unlock(&rtlpriv->locks.conf_mutex);
 793
 794        return 0;
 795}
 796
 797static void rtl_op_configure_filter(struct ieee80211_hw *hw,
 798                                    unsigned int changed_flags,
 799                                    unsigned int *new_flags, u64 multicast)
 800{
 801        bool update_rcr = false;
 802        struct rtl_priv *rtlpriv = rtl_priv(hw);
 803        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 804
 805        *new_flags &= RTL_SUPPORTED_FILTERS;
 806        if (0 == changed_flags)
 807                return;
 808
 809        /*TODO: we disable broadcast now, so enable here */
 810        if (changed_flags & FIF_ALLMULTI) {
 811                if (*new_flags & FIF_ALLMULTI) {
 812                        mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
 813                            rtlpriv->cfg->maps[MAC_RCR_AB];
 814                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 815                                "Enable receive multicast frame\n");
 816                } else {
 817                        mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
 818                                          rtlpriv->cfg->maps[MAC_RCR_AB]);
 819                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 820                                "Disable receive multicast frame\n");
 821                }
 822                update_rcr = true;
 823        }
 824
 825        if (changed_flags & FIF_FCSFAIL) {
 826                if (*new_flags & FIF_FCSFAIL) {
 827                        mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 828                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 829                                "Enable receive FCS error frame\n");
 830                } else {
 831                        mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
 832                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 833                                "Disable receive FCS error frame\n");
 834                }
 835                if (!update_rcr)
 836                        update_rcr = true;
 837        }
 838
 839        /* if ssid not set to hw don't check bssid
 840         * here just used for linked scanning, & linked
 841         * and nolink check bssid is set in set network_type
 842         */
 843        if (changed_flags & FIF_BCN_PRBRESP_PROMISC &&
 844            mac->link_state >= MAC80211_LINKED) {
 845                if (mac->opmode != NL80211_IFTYPE_AP &&
 846                    mac->opmode != NL80211_IFTYPE_MESH_POINT) {
 847                        if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
 848                                rtlpriv->cfg->ops->set_chk_bssid(hw, false);
 849                        else
 850                                rtlpriv->cfg->ops->set_chk_bssid(hw, true);
 851                        if (update_rcr)
 852                                update_rcr = false;
 853                }
 854        }
 855
 856        if (changed_flags & FIF_CONTROL) {
 857                if (*new_flags & FIF_CONTROL) {
 858                        mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];
 859
 860                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 861                                "Enable receive control frame.\n");
 862                } else {
 863                        mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
 864                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 865                                "Disable receive control frame.\n");
 866                }
 867                if (!update_rcr)
 868                        update_rcr = true;
 869        }
 870
 871        if (changed_flags & FIF_OTHER_BSS) {
 872                if (*new_flags & FIF_OTHER_BSS) {
 873                        mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
 874                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 875                                "Enable receive other BSS's frame.\n");
 876                } else {
 877                        mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
 878                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
 879                                "Disable receive other BSS's frame.\n");
 880                }
 881                if (!update_rcr)
 882                        update_rcr = true;
 883        }
 884
 885        if (update_rcr)
 886                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
 887                                              (u8 *)(&mac->rx_conf));
 888}
 889
 890static int rtl_op_sta_add(struct ieee80211_hw *hw,
 891                         struct ieee80211_vif *vif,
 892                         struct ieee80211_sta *sta)
 893{
 894        struct rtl_priv *rtlpriv = rtl_priv(hw);
 895        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 896        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 897        struct rtl_sta_info *sta_entry;
 898
 899        if (sta) {
 900                sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 901                spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 902                list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
 903                spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 904                if (rtlhal->current_bandtype == BAND_ON_2_4G) {
 905                        sta_entry->wireless_mode = WIRELESS_MODE_G;
 906                        if (sta->supp_rates[0] <= 0xf)
 907                                sta_entry->wireless_mode = WIRELESS_MODE_B;
 908                        if (sta->ht_cap.ht_supported)
 909                                sta_entry->wireless_mode = WIRELESS_MODE_N_24G;
 910
 911                        if (vif->type == NL80211_IFTYPE_ADHOC)
 912                                sta_entry->wireless_mode = WIRELESS_MODE_G;
 913                } else if (rtlhal->current_bandtype == BAND_ON_5G) {
 914                        sta_entry->wireless_mode = WIRELESS_MODE_A;
 915                        if (sta->ht_cap.ht_supported)
 916                                sta_entry->wireless_mode = WIRELESS_MODE_N_5G;
 917                        if (sta->vht_cap.vht_supported)
 918                                sta_entry->wireless_mode = WIRELESS_MODE_AC_5G;
 919
 920                        if (vif->type == NL80211_IFTYPE_ADHOC)
 921                                sta_entry->wireless_mode = WIRELESS_MODE_A;
 922                }
 923                /*disable cck rate for p2p*/
 924                if (mac->p2p)
 925                        sta->supp_rates[0] &= 0xfffffff0;
 926
 927                memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
 928                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
 929                        "Add sta addr is %pM\n", sta->addr);
 930                rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true);
 931        }
 932
 933        return 0;
 934}
 935
 936static int rtl_op_sta_remove(struct ieee80211_hw *hw,
 937                                struct ieee80211_vif *vif,
 938                                struct ieee80211_sta *sta)
 939{
 940        struct rtl_priv *rtlpriv = rtl_priv(hw);
 941        struct rtl_sta_info *sta_entry;
 942
 943        if (sta) {
 944                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
 945                        "Remove sta addr is %pM\n", sta->addr);
 946                sta_entry = (struct rtl_sta_info *)sta->drv_priv;
 947                sta_entry->wireless_mode = 0;
 948                sta_entry->ratr_index = 0;
 949                spin_lock_bh(&rtlpriv->locks.entry_list_lock);
 950                list_del(&sta_entry->list);
 951                spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
 952        }
 953        return 0;
 954}
 955
 956static int _rtl_get_hal_qnum(u16 queue)
 957{
 958        int qnum;
 959
 960        switch (queue) {
 961        case 0:
 962                qnum = AC3_VO;
 963                break;
 964        case 1:
 965                qnum = AC2_VI;
 966                break;
 967        case 2:
 968                qnum = AC0_BE;
 969                break;
 970        case 3:
 971                qnum = AC1_BK;
 972                break;
 973        default:
 974                qnum = AC0_BE;
 975                break;
 976        }
 977        return qnum;
 978}
 979
 980/*
 981 *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3
 982 *for rtl819x  BE = 0, BK = 1, VI = 2, VO = 3
 983 */
 984static int rtl_op_conf_tx(struct ieee80211_hw *hw,
 985                          struct ieee80211_vif *vif, u16 queue,
 986                          const struct ieee80211_tx_queue_params *param)
 987{
 988        struct rtl_priv *rtlpriv = rtl_priv(hw);
 989        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 990        int aci;
 991
 992        if (queue >= AC_MAX) {
 993                rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
 994                        "queue number %d is incorrect!\n", queue);
 995                return -EINVAL;
 996        }
 997
 998        aci = _rtl_get_hal_qnum(queue);
 999        mac->ac[aci].aifs = param->aifs;
1000        mac->ac[aci].cw_min = cpu_to_le16(param->cw_min);
1001        mac->ac[aci].cw_max = cpu_to_le16(param->cw_max);
1002        mac->ac[aci].tx_op = cpu_to_le16(param->txop);
1003        memcpy(&mac->edca_param[aci], param, sizeof(*param));
1004        rtlpriv->cfg->ops->set_qos(hw, aci);
1005        return 0;
1006}
1007
1008static void send_beacon_frame(struct ieee80211_hw *hw,
1009                              struct ieee80211_vif *vif)
1010{
1011        struct rtl_priv *rtlpriv = rtl_priv(hw);
1012        struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
1013        struct rtl_tcb_desc tcb_desc;
1014
1015        if (skb) {
1016                memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
1017                rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
1018        }
1019}
1020
1021void rtl_update_beacon_work_callback(struct work_struct *work)
1022{
1023        struct rtl_works *rtlworks =
1024            container_of(work, struct rtl_works, update_beacon_work);
1025        struct ieee80211_hw *hw = rtlworks->hw;
1026        struct rtl_priv *rtlpriv = rtl_priv(hw);
1027        struct ieee80211_vif *vif = rtlpriv->mac80211.vif;
1028
1029        if (!vif) {
1030                WARN_ONCE(true, "no vif to update beacon\n");
1031                return;
1032        }
1033
1034        mutex_lock(&rtlpriv->locks.conf_mutex);
1035        send_beacon_frame(hw, vif);
1036        mutex_unlock(&rtlpriv->locks.conf_mutex);
1037}
1038EXPORT_SYMBOL_GPL(rtl_update_beacon_work_callback);
1039
1040static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
1041                                    struct ieee80211_vif *vif,
1042                                    struct ieee80211_bss_conf *bss_conf,
1043                                    u32 changed)
1044{
1045        struct rtl_priv *rtlpriv = rtl_priv(hw);
1046        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1047        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1048        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1049
1050        mutex_lock(&rtlpriv->locks.conf_mutex);
1051        if (vif->type == NL80211_IFTYPE_ADHOC ||
1052            vif->type == NL80211_IFTYPE_AP ||
1053            vif->type == NL80211_IFTYPE_MESH_POINT) {
1054                if (changed & BSS_CHANGED_BEACON ||
1055                    (changed & BSS_CHANGED_BEACON_ENABLED &&
1056                     bss_conf->enable_beacon)) {
1057                        if (mac->beacon_enabled == 0) {
1058                                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1059                                        "BSS_CHANGED_BEACON_ENABLED\n");
1060
1061                                /*start hw beacon interrupt. */
1062                                /*rtlpriv->cfg->ops->set_bcn_reg(hw); */
1063                                mac->beacon_enabled = 1;
1064                                rtlpriv->cfg->ops->update_interrupt_mask(hw,
1065                                                rtlpriv->cfg->maps
1066                                                [RTL_IBSS_INT_MASKS], 0);
1067
1068                                if (rtlpriv->cfg->ops->linked_set_reg)
1069                                        rtlpriv->cfg->ops->linked_set_reg(hw);
1070                                send_beacon_frame(hw, vif);
1071                        }
1072                }
1073                if ((changed & BSS_CHANGED_BEACON_ENABLED &&
1074                    !bss_conf->enable_beacon)) {
1075                        if (mac->beacon_enabled == 1) {
1076                                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1077                                        "ADHOC DISABLE BEACON\n");
1078
1079                                mac->beacon_enabled = 0;
1080                                rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
1081                                                rtlpriv->cfg->maps
1082                                                [RTL_IBSS_INT_MASKS]);
1083                        }
1084                }
1085                if (changed & BSS_CHANGED_BEACON_INT) {
1086                        rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE,
1087                                "BSS_CHANGED_BEACON_INT\n");
1088                        mac->beacon_interval = bss_conf->beacon_int;
1089                        rtlpriv->cfg->ops->set_bcn_intv(hw);
1090                }
1091        }
1092
1093        /*TODO: reference to enum ieee80211_bss_change */
1094        if (changed & BSS_CHANGED_ASSOC) {
1095                u8 mstatus;
1096
1097                if (bss_conf->assoc) {
1098                        struct ieee80211_sta *sta = NULL;
1099                        u8 keep_alive = 10;
1100
1101                        mstatus = RT_MEDIA_CONNECT;
1102                        /* we should reset all sec info & cam
1103                         * before set cam after linked, we should not
1104                         * reset in disassoc, that will cause tkip->wep
1105                         * fail because some flag will be wrong */
1106                        /* reset sec info */
1107                        rtl_cam_reset_sec_info(hw);
1108                        /* reset cam to fix wep fail issue
1109                         * when change from wpa to wep */
1110                        rtl_cam_reset_all_entry(hw);
1111
1112                        mac->link_state = MAC80211_LINKED;
1113                        mac->cnt_after_linked = 0;
1114                        mac->assoc_id = bss_conf->aid;
1115                        memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1116
1117                        if (rtlpriv->cfg->ops->linked_set_reg)
1118                                rtlpriv->cfg->ops->linked_set_reg(hw);
1119
1120                        rcu_read_lock();
1121                        sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1122                        if (!sta) {
1123                                rcu_read_unlock();
1124                                goto out;
1125                        }
1126                        rtl_dbg(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD,
1127                                "send PS STATIC frame\n");
1128                        if (rtlpriv->dm.supp_phymode_switch) {
1129                                if (sta->ht_cap.ht_supported)
1130                                        rtl_send_smps_action(hw, sta,
1131                                                        IEEE80211_SMPS_STATIC);
1132                        }
1133
1134                        if (rtlhal->current_bandtype == BAND_ON_5G) {
1135                                mac->mode = WIRELESS_MODE_A;
1136                        } else {
1137                                if (sta->supp_rates[0] <= 0xf)
1138                                        mac->mode = WIRELESS_MODE_B;
1139                                else
1140                                        mac->mode = WIRELESS_MODE_G;
1141                        }
1142
1143                        if (sta->ht_cap.ht_supported) {
1144                                if (rtlhal->current_bandtype == BAND_ON_2_4G)
1145                                        mac->mode = WIRELESS_MODE_N_24G;
1146                                else
1147                                        mac->mode = WIRELESS_MODE_N_5G;
1148                        }
1149
1150                        if (sta->vht_cap.vht_supported) {
1151                                if (rtlhal->current_bandtype == BAND_ON_5G)
1152                                        mac->mode = WIRELESS_MODE_AC_5G;
1153                                else
1154                                        mac->mode = WIRELESS_MODE_AC_24G;
1155                        }
1156
1157                        if (vif->type == NL80211_IFTYPE_STATION)
1158                                rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0,
1159                                                                   true);
1160                        rcu_read_unlock();
1161
1162                        /* to avoid AP Disassociation caused by inactivity */
1163                        rtlpriv->cfg->ops->set_hw_reg(hw,
1164                                                      HW_VAR_KEEP_ALIVE,
1165                                                      (u8 *)(&keep_alive));
1166
1167                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1168                                "BSS_CHANGED_ASSOC\n");
1169                } else {
1170                        struct cfg80211_bss *bss = NULL;
1171
1172                        mstatus = RT_MEDIA_DISCONNECT;
1173
1174                        if (mac->link_state == MAC80211_LINKED)
1175                                rtl_lps_leave(hw, true);
1176                        if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
1177                                rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
1178                        mac->link_state = MAC80211_NOLINK;
1179
1180                        bss = cfg80211_get_bss(hw->wiphy, NULL,
1181                                               (u8 *)mac->bssid, NULL, 0,
1182                                               IEEE80211_BSS_TYPE_ESS,
1183                                               IEEE80211_PRIVACY_OFF);
1184
1185                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1186                                "bssid = %pMF\n", mac->bssid);
1187
1188                        if (bss) {
1189                                cfg80211_unlink_bss(hw->wiphy, bss);
1190                                cfg80211_put_bss(hw->wiphy, bss);
1191                                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1192                                        "cfg80211_unlink !!\n");
1193                        }
1194
1195                        eth_zero_addr(mac->bssid);
1196                        mac->vendor = PEER_UNKNOWN;
1197                        mac->mode = 0;
1198
1199                        if (rtlpriv->dm.supp_phymode_switch) {
1200                                if (rtlpriv->cfg->ops->chk_switch_dmdp)
1201                                        rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1202                        }
1203                        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1204                                "BSS_CHANGED_UN_ASSOC\n");
1205                }
1206                rtlpriv->cfg->ops->set_network_type(hw, vif->type);
1207                /* For FW LPS:
1208                 * To tell firmware we have connected or disconnected
1209                 */
1210                rtlpriv->cfg->ops->set_hw_reg(hw,
1211                                              HW_VAR_H2C_FW_JOINBSSRPT,
1212                                              (u8 *)(&mstatus));
1213                ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ?
1214                                      true : false;
1215
1216                if (rtlpriv->cfg->ops->get_btc_status())
1217                        rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify(
1218                                                        rtlpriv, mstatus);
1219        }
1220
1221        if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1222                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1223                        "BSS_CHANGED_ERP_CTS_PROT\n");
1224                mac->use_cts_protect = bss_conf->use_cts_prot;
1225        }
1226
1227        if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1228                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD,
1229                        "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n",
1230                          bss_conf->use_short_preamble);
1231
1232                mac->short_preamble = bss_conf->use_short_preamble;
1233                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE,
1234                                              (u8 *)(&mac->short_preamble));
1235        }
1236
1237        if (changed & BSS_CHANGED_ERP_SLOT) {
1238                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1239                        "BSS_CHANGED_ERP_SLOT\n");
1240
1241                if (bss_conf->use_short_slot)
1242                        mac->slot_time = RTL_SLOT_TIME_9;
1243                else
1244                        mac->slot_time = RTL_SLOT_TIME_20;
1245
1246                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
1247                                              (u8 *)(&mac->slot_time));
1248        }
1249
1250        if (changed & BSS_CHANGED_HT) {
1251                struct ieee80211_sta *sta = NULL;
1252
1253                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1254                        "BSS_CHANGED_HT\n");
1255
1256                rcu_read_lock();
1257                sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1258                if (sta) {
1259                        if (sta->ht_cap.ampdu_density >
1260                            mac->current_ampdu_density)
1261                                mac->current_ampdu_density =
1262                                    sta->ht_cap.ampdu_density;
1263                        if (sta->ht_cap.ampdu_factor <
1264                            mac->current_ampdu_factor)
1265                                mac->current_ampdu_factor =
1266                                    sta->ht_cap.ampdu_factor;
1267                }
1268                rcu_read_unlock();
1269
1270                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
1271                                              (u8 *)(&mac->max_mss_density));
1272                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
1273                                              &mac->current_ampdu_factor);
1274                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
1275                                              &mac->current_ampdu_density);
1276        }
1277
1278        if (changed & BSS_CHANGED_BSSID) {
1279                u32 basic_rates;
1280                struct ieee80211_sta *sta = NULL;
1281
1282                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID,
1283                                              (u8 *)bss_conf->bssid);
1284
1285                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG,
1286                        "bssid: %pM\n", bss_conf->bssid);
1287
1288                mac->vendor = PEER_UNKNOWN;
1289                memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN);
1290
1291                rcu_read_lock();
1292                sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid);
1293                if (!sta) {
1294                        rcu_read_unlock();
1295                        goto out;
1296                }
1297
1298                if (rtlhal->current_bandtype == BAND_ON_5G) {
1299                        mac->mode = WIRELESS_MODE_A;
1300                } else {
1301                        if (sta->supp_rates[0] <= 0xf)
1302                                mac->mode = WIRELESS_MODE_B;
1303                        else
1304                                mac->mode = WIRELESS_MODE_G;
1305                }
1306
1307                if (sta->ht_cap.ht_supported) {
1308                        if (rtlhal->current_bandtype == BAND_ON_2_4G)
1309                                mac->mode = WIRELESS_MODE_N_24G;
1310                        else
1311                                mac->mode = WIRELESS_MODE_N_5G;
1312                }
1313
1314                if (sta->vht_cap.vht_supported) {
1315                        if (rtlhal->current_bandtype == BAND_ON_5G)
1316                                mac->mode = WIRELESS_MODE_AC_5G;
1317                        else
1318                                mac->mode = WIRELESS_MODE_AC_24G;
1319                }
1320
1321                /* just station need it, because ibss & ap mode will
1322                 * set in sta_add, and will be NULL here */
1323                if (vif->type == NL80211_IFTYPE_STATION) {
1324                        struct rtl_sta_info *sta_entry;
1325
1326                        sta_entry = (struct rtl_sta_info *)sta->drv_priv;
1327                        sta_entry->wireless_mode = mac->mode;
1328                }
1329
1330                if (sta->ht_cap.ht_supported) {
1331                        mac->ht_enable = true;
1332
1333                        /*
1334                         * for cisco 1252 bw20 it's wrong
1335                         * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
1336                         *      mac->bw_40 = true;
1337                         * }
1338                         * */
1339                }
1340
1341                if (sta->vht_cap.vht_supported)
1342                        mac->vht_enable = true;
1343
1344                if (changed & BSS_CHANGED_BASIC_RATES) {
1345                        /* for 5G must << RATE_6M_INDEX = 4,
1346                         * because 5G have no cck rate*/
1347                        if (rtlhal->current_bandtype == BAND_ON_5G)
1348                                basic_rates = sta->supp_rates[1] << 4;
1349                        else
1350                                basic_rates = sta->supp_rates[0];
1351
1352                        mac->basic_rates = basic_rates;
1353                        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
1354                                        (u8 *)(&basic_rates));
1355                }
1356                rcu_read_unlock();
1357        }
1358out:
1359        mutex_unlock(&rtlpriv->locks.conf_mutex);
1360}
1361
1362static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1363{
1364        struct rtl_priv *rtlpriv = rtl_priv(hw);
1365        u64 tsf;
1366
1367        rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf));
1368        return tsf;
1369}
1370
1371static void rtl_op_set_tsf(struct ieee80211_hw *hw,
1372                           struct ieee80211_vif *vif, u64 tsf)
1373{
1374        struct rtl_priv *rtlpriv = rtl_priv(hw);
1375        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1376        u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
1377
1378        mac->tsf = tsf;
1379        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss));
1380}
1381
1382static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1383{
1384        struct rtl_priv *rtlpriv = rtl_priv(hw);
1385        u8 tmp = 0;
1386
1387        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp));
1388}
1389
1390static void rtl_op_sta_notify(struct ieee80211_hw *hw,
1391                              struct ieee80211_vif *vif,
1392                              enum sta_notify_cmd cmd,
1393                              struct ieee80211_sta *sta)
1394{
1395        switch (cmd) {
1396        case STA_NOTIFY_SLEEP:
1397                break;
1398        case STA_NOTIFY_AWAKE:
1399                break;
1400        default:
1401                break;
1402        }
1403}
1404
1405static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
1406                               struct ieee80211_vif *vif,
1407                               struct ieee80211_ampdu_params *params)
1408{
1409        struct rtl_priv *rtlpriv = rtl_priv(hw);
1410        struct ieee80211_sta *sta = params->sta;
1411        enum ieee80211_ampdu_mlme_action action = params->action;
1412        u16 tid = params->tid;
1413        u16 *ssn = &params->ssn;
1414
1415        switch (action) {
1416        case IEEE80211_AMPDU_TX_START:
1417                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1418                        "IEEE80211_AMPDU_TX_START: TID:%d\n", tid);
1419                return rtl_tx_agg_start(hw, vif, sta, tid, ssn);
1420        case IEEE80211_AMPDU_TX_STOP_CONT:
1421        case IEEE80211_AMPDU_TX_STOP_FLUSH:
1422        case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1423                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1424                        "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid);
1425                return rtl_tx_agg_stop(hw, vif, sta, tid);
1426        case IEEE80211_AMPDU_TX_OPERATIONAL:
1427                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1428                        "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid);
1429                rtl_tx_agg_oper(hw, sta, tid);
1430                break;
1431        case IEEE80211_AMPDU_RX_START:
1432                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1433                        "IEEE80211_AMPDU_RX_START:TID:%d\n", tid);
1434                return rtl_rx_agg_start(hw, sta, tid);
1435        case IEEE80211_AMPDU_RX_STOP:
1436                rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE,
1437                        "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid);
1438                return rtl_rx_agg_stop(hw, sta, tid);
1439        default:
1440                pr_err("IEEE80211_AMPDU_ERR!!!!:\n");
1441                return -EOPNOTSUPP;
1442        }
1443        return 0;
1444}
1445
1446static void rtl_op_sw_scan_start(struct ieee80211_hw *hw,
1447                                 struct ieee80211_vif *vif,
1448                                 const u8 *mac_addr)
1449{
1450        struct rtl_priv *rtlpriv = rtl_priv(hw);
1451        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1452
1453        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1454        mac->act_scanning = true;
1455        if (rtlpriv->link_info.higher_busytraffic) {
1456                mac->skip_scan = true;
1457                return;
1458        }
1459
1460        if (rtlpriv->cfg->ops->get_btc_status())
1461                rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1);
1462        else if (rtlpriv->btcoexist.btc_ops)
1463                rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1464                                                                      1);
1465
1466        if (rtlpriv->dm.supp_phymode_switch) {
1467                if (rtlpriv->cfg->ops->chk_switch_dmdp)
1468                        rtlpriv->cfg->ops->chk_switch_dmdp(hw);
1469        }
1470
1471        if (mac->link_state == MAC80211_LINKED) {
1472                rtl_lps_leave(hw, true);
1473                mac->link_state = MAC80211_LINKED_SCANNING;
1474        } else {
1475                rtl_ips_nic_on(hw);
1476        }
1477
1478        /* Dul mac */
1479        rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1480
1481        rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY);
1482        rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0);
1483}
1484
1485static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw,
1486                                    struct ieee80211_vif *vif)
1487{
1488        struct rtl_priv *rtlpriv = rtl_priv(hw);
1489        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1490
1491        rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n");
1492        mac->act_scanning = false;
1493        mac->skip_scan = false;
1494
1495        rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num;
1496
1497        if (rtlpriv->link_info.higher_busytraffic)
1498                return;
1499
1500        /* p2p will use 1/6/11 to scan */
1501        if (mac->n_channels == 3)
1502                mac->p2p_in_use = true;
1503        else
1504                mac->p2p_in_use = false;
1505        mac->n_channels = 0;
1506        /* Dul mac */
1507        rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false;
1508
1509        if (mac->link_state == MAC80211_LINKED_SCANNING) {
1510                mac->link_state = MAC80211_LINKED;
1511                if (mac->opmode == NL80211_IFTYPE_STATION) {
1512                        /* fix fwlps issue */
1513                        rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);
1514                }
1515        }
1516
1517        rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE);
1518        if (rtlpriv->cfg->ops->get_btc_status())
1519                rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0);
1520        else if (rtlpriv->btcoexist.btc_ops)
1521                rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv,
1522                                                                      0);
1523}
1524
1525static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1526                          struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1527                          struct ieee80211_key_conf *key)
1528{
1529        struct rtl_priv *rtlpriv = rtl_priv(hw);
1530        u8 key_type = NO_ENCRYPTION;
1531        u8 key_idx;
1532        bool group_key = false;
1533        bool wep_only = false;
1534        int err = 0;
1535        u8 mac_addr[ETH_ALEN];
1536        u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1537
1538        rtlpriv->btcoexist.btc_info.in_4way = false;
1539
1540        if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
1541                rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
1542                        "not open hw encryption\n");
1543                return -ENOSPC; /*User disabled HW-crypto */
1544        }
1545        /* To support IBSS, use sw-crypto for GTK */
1546        if ((vif->type == NL80211_IFTYPE_ADHOC ||
1547             vif->type == NL80211_IFTYPE_MESH_POINT) &&
1548            !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
1549                return -ENOSPC;
1550        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1551                "%s hardware based encryption for keyidx: %d, mac: %pM\n",
1552                cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
1553                sta ? sta->addr : bcast_addr);
1554        rtlpriv->sec.being_setkey = true;
1555        rtl_ips_nic_on(hw);
1556        mutex_lock(&rtlpriv->locks.conf_mutex);
1557        /* <1> get encryption alg */
1558
1559        switch (key->cipher) {
1560        case WLAN_CIPHER_SUITE_WEP40:
1561                key_type = WEP40_ENCRYPTION;
1562                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n");
1563                break;
1564        case WLAN_CIPHER_SUITE_WEP104:
1565                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n");
1566                key_type = WEP104_ENCRYPTION;
1567                break;
1568        case WLAN_CIPHER_SUITE_TKIP:
1569                key_type = TKIP_ENCRYPTION;
1570                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n");
1571                break;
1572        case WLAN_CIPHER_SUITE_CCMP:
1573                key_type = AESCCMP_ENCRYPTION;
1574                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n");
1575                break;
1576        case WLAN_CIPHER_SUITE_AES_CMAC:
1577                /* HW don't support CMAC encryption,
1578                 * use software CMAC encryption
1579                 */
1580                key_type = AESCMAC_ENCRYPTION;
1581                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n");
1582                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1583                        "HW don't support CMAC encryption, use software CMAC encryption\n");
1584                err = -EOPNOTSUPP;
1585                goto out_unlock;
1586        default:
1587                pr_err("alg_err:%x!!!!:\n", key->cipher);
1588                goto out_unlock;
1589        }
1590        if (key_type == WEP40_ENCRYPTION ||
1591           key_type == WEP104_ENCRYPTION ||
1592           vif->type == NL80211_IFTYPE_ADHOC)
1593                rtlpriv->sec.use_defaultkey = true;
1594
1595        /* <2> get key_idx */
1596        key_idx = (u8) (key->keyidx);
1597        if (key_idx > 3)
1598                goto out_unlock;
1599        /* <3> if pairwise key enable_hw_sec */
1600        group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
1601
1602        /* wep always be group key, but there are two conditions:
1603         * 1) wep only: is just for wep enc, in this condition
1604         * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION
1605         * will be true & enable_hw_sec will be set when wep
1606         * ke setting.
1607         * 2) wep(group) + AES(pairwise): some AP like cisco
1608         * may use it, in this condition enable_hw_sec will not
1609         * be set when wep key setting */
1610        /* we must reset sec_info after lingked before set key,
1611         * or some flag will be wrong*/
1612        if (vif->type == NL80211_IFTYPE_AP ||
1613                vif->type == NL80211_IFTYPE_MESH_POINT) {
1614                if (!group_key || key_type == WEP40_ENCRYPTION ||
1615                        key_type == WEP104_ENCRYPTION) {
1616                        if (group_key)
1617                                wep_only = true;
1618                        rtlpriv->cfg->ops->enable_hw_sec(hw);
1619                }
1620        } else {
1621                if (!group_key || vif->type == NL80211_IFTYPE_ADHOC ||
1622                    rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) {
1623                        if (rtlpriv->sec.pairwise_enc_algorithm ==
1624                            NO_ENCRYPTION &&
1625                           (key_type == WEP40_ENCRYPTION ||
1626                            key_type == WEP104_ENCRYPTION))
1627                                wep_only = true;
1628                        rtlpriv->sec.pairwise_enc_algorithm = key_type;
1629                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1630                                "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n",
1631                                key_type);
1632                        rtlpriv->cfg->ops->enable_hw_sec(hw);
1633                }
1634        }
1635        /* <4> set key based on cmd */
1636        switch (cmd) {
1637        case SET_KEY:
1638                if (wep_only) {
1639                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1640                                "set WEP(group/pairwise) key\n");
1641                        /* Pairwise key with an assigned MAC address. */
1642                        rtlpriv->sec.pairwise_enc_algorithm = key_type;
1643                        rtlpriv->sec.group_enc_algorithm = key_type;
1644                        /*set local buf about wep key. */
1645                        memcpy(rtlpriv->sec.key_buf[key_idx],
1646                               key->key, key->keylen);
1647                        rtlpriv->sec.key_len[key_idx] = key->keylen;
1648                        eth_zero_addr(mac_addr);
1649                } else if (group_key) { /* group key */
1650                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1651                                "set group key\n");
1652                        /* group key */
1653                        rtlpriv->sec.group_enc_algorithm = key_type;
1654                        /*set local buf about group key. */
1655                        memcpy(rtlpriv->sec.key_buf[key_idx],
1656                               key->key, key->keylen);
1657                        rtlpriv->sec.key_len[key_idx] = key->keylen;
1658                        memcpy(mac_addr, bcast_addr, ETH_ALEN);
1659                } else {        /* pairwise key */
1660                        rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1661                                "set pairwise key\n");
1662                        if (!sta) {
1663                                WARN_ONCE(true,
1664                                          "rtlwifi: pairwise key without mac_addr\n");
1665
1666                                err = -EOPNOTSUPP;
1667                                goto out_unlock;
1668                        }
1669                        /* Pairwise key with an assigned MAC address. */
1670                        rtlpriv->sec.pairwise_enc_algorithm = key_type;
1671                        /*set local buf about pairwise key. */
1672                        memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX],
1673                               key->key, key->keylen);
1674                        rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen;
1675                        rtlpriv->sec.pairwise_key =
1676                            rtlpriv->sec.key_buf[PAIRWISE_KEYIDX];
1677                        memcpy(mac_addr, sta->addr, ETH_ALEN);
1678                }
1679                rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr,
1680                                           group_key, key_type, wep_only,
1681                                           false);
1682                /* <5> tell mac80211 do something: */
1683                /*must use sw generate IV, or can not work !!!!. */
1684                key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1685                key->hw_key_idx = key_idx;
1686                if (key_type == TKIP_ENCRYPTION)
1687                        key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1688                /*use software CCMP encryption for management frames (MFP) */
1689                if (key_type == AESCCMP_ENCRYPTION)
1690                        key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
1691                break;
1692        case DISABLE_KEY:
1693                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
1694                        "disable key delete one entry\n");
1695                /*set local buf about wep key. */
1696                if (vif->type == NL80211_IFTYPE_AP ||
1697                        vif->type == NL80211_IFTYPE_MESH_POINT) {
1698                        if (sta)
1699                                rtl_cam_del_entry(hw, sta->addr);
1700                }
1701                memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen);
1702                rtlpriv->sec.key_len[key_idx] = 0;
1703                eth_zero_addr(mac_addr);
1704                /*
1705                 *mac80211 will delete entrys one by one,
1706                 *so don't use rtl_cam_reset_all_entry
1707                 *or clear all entry here.
1708                 */
1709                rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */
1710
1711                rtl_cam_delete_one_entry(hw, mac_addr, key_idx);
1712                break;
1713        default:
1714                pr_err("cmd_err:%x!!!!:\n", cmd);
1715        }
1716out_unlock:
1717        mutex_unlock(&rtlpriv->locks.conf_mutex);
1718        rtlpriv->sec.being_setkey = false;
1719        return err;
1720}
1721
1722static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
1723{
1724        struct rtl_priv *rtlpriv = rtl_priv(hw);
1725
1726        bool radio_state;
1727        bool blocked;
1728        u8 valid = 0;
1729
1730        if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
1731                return;
1732
1733        mutex_lock(&rtlpriv->locks.conf_mutex);
1734
1735        /*if Radio On return true here */
1736        radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);
1737
1738        if (valid) {
1739                if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) {
1740                        rtlpriv->rfkill.rfkill_state = radio_state;
1741
1742                        rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG,
1743                                "wireless radio switch turned %s\n",
1744                                radio_state ? "on" : "off");
1745
1746                        blocked = !rtlpriv->rfkill.rfkill_state;
1747                        wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
1748                }
1749        }
1750
1751        mutex_unlock(&rtlpriv->locks.conf_mutex);
1752}
1753
1754/* this function is called by mac80211 to flush tx buffer
1755 * before switch channle or power save, or tx buffer packet
1756 * maybe send after offchannel or rf sleep, this may cause
1757 * dis-association by AP */
1758static void rtl_op_flush(struct ieee80211_hw *hw,
1759                         struct ieee80211_vif *vif,
1760                         u32 queues,
1761                         bool drop)
1762{
1763        struct rtl_priv *rtlpriv = rtl_priv(hw);
1764
1765        if (rtlpriv->intf_ops->flush)
1766                rtlpriv->intf_ops->flush(hw, queues, drop);
1767}
1768
1769static int rtl_op_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
1770                          bool set)
1771{
1772        struct rtl_priv *rtlpriv = rtl_priv(hw);
1773        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1774
1775        if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192CU)
1776                schedule_work(&rtlpriv->works.update_beacon_work);
1777
1778        return 0;
1779}
1780
1781/*      Description:
1782 *              This routine deals with the Power Configuration CMD
1783 *               parsing for RTL8723/RTL8188E Series IC.
1784 *      Assumption:
1785 *              We should follow specific format that was released from HW SD.
1786 */
1787bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
1788                              u8 faversion, u8 interface_type,
1789                              struct wlan_pwr_cfg pwrcfgcmd[])
1790{
1791        struct wlan_pwr_cfg cfg_cmd;
1792        bool polling_bit = false;
1793        u32 ary_idx = 0;
1794        u8 value = 0;
1795        u32 offset = 0;
1796        u32 polling_count = 0;
1797        u32 max_polling_cnt = 5000;
1798
1799        do {
1800                cfg_cmd = pwrcfgcmd[ary_idx];
1801                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1802                        "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n",
1803                        __func__,
1804                        GET_PWR_CFG_OFFSET(cfg_cmd),
1805                                           GET_PWR_CFG_CUT_MASK(cfg_cmd),
1806                        GET_PWR_CFG_FAB_MASK(cfg_cmd),
1807                                             GET_PWR_CFG_INTF_MASK(cfg_cmd),
1808                        GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd),
1809                        GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd));
1810
1811                if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) &&
1812                    (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) &&
1813                    (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) {
1814                        switch (GET_PWR_CFG_CMD(cfg_cmd)) {
1815                        case PWR_CMD_READ:
1816                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1817                                        "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n");
1818                                break;
1819                        case PWR_CMD_WRITE:
1820                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1821                                        "%s(): PWR_CMD_WRITE\n", __func__);
1822                                offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1823
1824                                /*Read the value from system register*/
1825                                value = rtl_read_byte(rtlpriv, offset);
1826                                value &= (~(GET_PWR_CFG_MASK(cfg_cmd)));
1827                                value |= (GET_PWR_CFG_VALUE(cfg_cmd) &
1828                                          GET_PWR_CFG_MASK(cfg_cmd));
1829
1830                                /*Write the value back to system register*/
1831                                rtl_write_byte(rtlpriv, offset, value);
1832                                break;
1833                        case PWR_CMD_POLLING:
1834                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1835                                        "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n");
1836                                polling_bit = false;
1837                                offset = GET_PWR_CFG_OFFSET(cfg_cmd);
1838
1839                                do {
1840                                        value = rtl_read_byte(rtlpriv, offset);
1841
1842                                        value &= GET_PWR_CFG_MASK(cfg_cmd);
1843                                        if (value ==
1844                                            (GET_PWR_CFG_VALUE(cfg_cmd) &
1845                                             GET_PWR_CFG_MASK(cfg_cmd)))
1846                                                polling_bit = true;
1847                                        else
1848                                                udelay(10);
1849
1850                                        if (polling_count++ > max_polling_cnt)
1851                                                return false;
1852                                } while (!polling_bit);
1853                                break;
1854                        case PWR_CMD_DELAY:
1855                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1856                                        "%s: PWR_CMD_DELAY\n", __func__);
1857                                if (GET_PWR_CFG_VALUE(cfg_cmd) ==
1858                                    PWRSEQ_DELAY_US)
1859                                        udelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1860                                else
1861                                        mdelay(GET_PWR_CFG_OFFSET(cfg_cmd));
1862                                break;
1863                        case PWR_CMD_END:
1864                                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
1865                                        "%s: PWR_CMD_END\n", __func__);
1866                                return true;
1867                        default:
1868                                WARN_ONCE(true,
1869                                          "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n");
1870                                break;
1871                        }
1872                }
1873                ary_idx++;
1874        } while (1);
1875
1876        return true;
1877}
1878EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing);
1879
1880bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
1881{
1882        struct rtl_priv *rtlpriv = rtl_priv(hw);
1883        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1884        struct rtl8192_tx_ring *ring;
1885        struct rtl_tx_desc *pdesc;
1886        unsigned long flags;
1887        struct sk_buff *pskb = NULL;
1888
1889        ring = &rtlpci->tx_ring[BEACON_QUEUE];
1890
1891        spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
1892        pskb = __skb_dequeue(&ring->queue);
1893        if (pskb)
1894                dev_kfree_skb_irq(pskb);
1895
1896        /*this is wrong, fill_tx_cmddesc needs update*/
1897        pdesc = &ring->desc[0];
1898
1899        rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
1900
1901        __skb_queue_tail(&ring->queue, skb);
1902
1903        spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
1904
1905        rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
1906
1907        return true;
1908}
1909EXPORT_SYMBOL(rtl_cmd_send_packet);
1910const struct ieee80211_ops rtl_ops = {
1911        .start = rtl_op_start,
1912        .stop = rtl_op_stop,
1913        .tx = rtl_op_tx,
1914        .add_interface = rtl_op_add_interface,
1915        .remove_interface = rtl_op_remove_interface,
1916        .change_interface = rtl_op_change_interface,
1917#ifdef CONFIG_PM
1918        .suspend = rtl_op_suspend,
1919        .resume = rtl_op_resume,
1920#endif
1921        .config = rtl_op_config,
1922        .configure_filter = rtl_op_configure_filter,
1923        .set_key = rtl_op_set_key,
1924        .conf_tx = rtl_op_conf_tx,
1925        .bss_info_changed = rtl_op_bss_info_changed,
1926        .get_tsf = rtl_op_get_tsf,
1927        .set_tsf = rtl_op_set_tsf,
1928        .reset_tsf = rtl_op_reset_tsf,
1929        .sta_notify = rtl_op_sta_notify,
1930        .ampdu_action = rtl_op_ampdu_action,
1931        .sw_scan_start = rtl_op_sw_scan_start,
1932        .sw_scan_complete = rtl_op_sw_scan_complete,
1933        .rfkill_poll = rtl_op_rfkill_poll,
1934        .sta_add = rtl_op_sta_add,
1935        .sta_remove = rtl_op_sta_remove,
1936        .flush = rtl_op_flush,
1937        .set_tim = rtl_op_set_tim,
1938};
1939EXPORT_SYMBOL_GPL(rtl_ops);
1940
1941bool rtl_btc_status_false(void)
1942{
1943        return false;
1944}
1945EXPORT_SYMBOL_GPL(rtl_btc_status_false);
1946
1947void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
1948{
1949        struct rtl_priv *rtlpriv = rtl_priv(hw);
1950        struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
1951
1952        dm_digtable->dig_enable_flag = true;
1953        dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
1954        dm_digtable->cur_igvalue = cur_igvalue;
1955        dm_digtable->pre_igvalue = 0;
1956        dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT;
1957        dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
1958        dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
1959        dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
1960        dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
1961        dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
1962        dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
1963        dm_digtable->rx_gain_max = DM_DIG_MAX;
1964        dm_digtable->rx_gain_min = DM_DIG_MIN;
1965        dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
1966        dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
1967        dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
1968        dm_digtable->pre_cck_cca_thres = 0xff;
1969        dm_digtable->cur_cck_cca_thres = 0x83;
1970        dm_digtable->forbidden_igi = DM_DIG_MIN;
1971        dm_digtable->large_fa_hit = 0;
1972        dm_digtable->recover_cnt = 0;
1973        dm_digtable->dig_min_0 = 0x25;
1974        dm_digtable->dig_min_1 = 0x25;
1975        dm_digtable->media_connect_0 = false;
1976        dm_digtable->media_connect_1 = false;
1977        rtlpriv->dm.dm_initialgain_enable = true;
1978        dm_digtable->bt30_cur_igi = 0x32;
1979        dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
1980        dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
1981        dm_digtable->pre_cck_fa_state = 0;
1982        dm_digtable->cur_cck_fa_state = 0;
1983}
1984EXPORT_SYMBOL(rtl_dm_diginit);
1985