Merge commit '4e6ce4dc7ce71d0886908d55129d5d6482a27ff9' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless

56 files changed, 342 insertions, 208 deletions

diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c
index 1e5ac0a79696..cd9161a8b3a1 100644
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
@@ -275,7 +275,7 @@ static SIMPLE_DEV_PM_OPS(bcma_pm_ops, bcma_host_pci_suspend,
 static const struct pci_device_id bcma_pci_bridge_tbl[] = {
         { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) },
         { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4313) },
-        { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) },
+        { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) },  /* 0xa8d8 */
         { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) },
         { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) },
         { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) },
@@ -285,7 +285,8 @@ static const struct pci_device_id bcma_pci_bridge_tbl[] = {
         { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
         { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
         { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
-        { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) },  /* 0xA8DB */
+        { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) },  /* 0xa8db, BCM43217 (sic!) */
+        { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) },  /* 0xa8dc */
         { 0, },
 };
 MODULE_DEVICE_TABLE(pci, bcma_pci_bridge_tbl);
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 122086ef9fe1..534e1337766d 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -133,7 +133,7 @@ static bool bcma_is_core_needed_early(u16 core_id)
         return false;
 }
 
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_ADDRESS)
 static struct device_node *bcma_of_find_child_device(struct platform_device *parent,
                                                      struct bcma_device *core)
 {
diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 76668dc79c0e..ccba4fea7269 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -80,6 +80,7 @@ struct reg_dmn_pair_mapping {
 
 struct ath_regulatory {
         char alpha2[2];
+        enum nl80211_dfs_regions region;
         u16 country_code;
         u16 max_power_level;
         u16 current_rd;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 9bdaa0afc37f..2df6d2ee70c2 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -664,6 +664,19 @@ static void ar9003_hw_override_ini(struct ath_hw *ah)
                 ah->enabled_cals |= TX_CL_CAL;
         else
                 ah->enabled_cals &= ~TX_CL_CAL;
+
+        if (AR_SREV_9340(ah) || AR_SREV_9531(ah) || AR_SREV_9550(ah)) {
+                if (ah->is_clk_25mhz) {
+                        REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1);
+                        REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7);
+                        REG_WRITE(ah, AR_SLP32_INC, 0x0001e7ae);
+                } else {
+                        REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x261 << 1);
+                        REG_WRITE(ah, AR_SLP32_MODE, 0x0010f400);
+                        REG_WRITE(ah, AR_SLP32_INC, 0x0001e800);
+                }
+                udelay(100);
+        }
 }
 
 static void ar9003_hw_prog_ini(struct ath_hw *ah,
diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index eb62c58dd0f7..e8c699446470 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -368,11 +368,11 @@ void ath9k_cmn_update_txpow(struct ath_hw *ah, u16 cur_txpow,
 {
         struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
 
-        if (reg->power_limit != new_txpow) {
+        if (reg->power_limit != new_txpow)
                 ath9k_hw_set_txpowerlimit(ah, new_txpow, false);
-                /* read back in case value is clamped */
-                *txpower = reg->max_power_level;
-        }
+
+        /* read back in case value is clamped */
+        *txpower = reg->max_power_level;
 }
 EXPORT_SYMBOL(ath9k_cmn_update_txpow);
 
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 3f21b1bbc52e..696e3d5309c6 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -455,7 +455,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
                          "%2d          %2x      %1x     %2x           %2x\n",
                          i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
                          (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
-                         val[2] & (0x7 << (i * 3)) >> (i * 3),
+                         (val[2] & (0x7 << (i * 3))) >> (i * 3),
                          (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
         }
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index fbc78d80c559..6d4b273469b1 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -870,19 +870,6 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
         udelay(RTC_PLL_SETTLE_DELAY);
 
         REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
-
-        if (AR_SREV_9340(ah) || AR_SREV_9550(ah)) {
-                if (ah->is_clk_25mhz) {
-                        REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1);
-                        REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7);
-                        REG_WRITE(ah,  AR_SLP32_INC, 0x0001e7ae);
-                } else {
-                        REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x261 << 1);
-                        REG_WRITE(ah, AR_SLP32_MODE, 0x0010f400);
-                        REG_WRITE(ah,  AR_SLP32_INC, 0x0001e800);
-                }
-                udelay(100);
-        }
 }
 
 static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 39157ca723d6..59d679cebc89 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -764,6 +764,32 @@ static const struct ieee80211_iface_combination if_comb[] = {
 #endif
 };
 
+#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
+static void ath9k_set_mcc_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
+{
+        struct ath_hw *ah = sc->sc_ah;
+        struct ath_common *common = ath9k_hw_common(ah);
+
+        if (!ath9k_is_chanctx_enabled())
+                return;
+
+        hw->flags |= IEEE80211_HW_QUEUE_CONTROL;
+        hw->queues = ATH9K_NUM_TX_QUEUES;
+        hw->offchannel_tx_hw_queue = hw->queues - 1;
+        hw->wiphy->interface_modes &= ~ BIT(NL80211_IFTYPE_WDS);
+        hw->wiphy->iface_combinations = if_comb_multi;
+        hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_multi);
+        hw->wiphy->max_scan_ssids = 255;
+        hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
+        hw->wiphy->max_remain_on_channel_duration = 10000;
+        hw->chanctx_data_size = sizeof(void *);
+        hw->extra_beacon_tailroom =
+                sizeof(struct ieee80211_p2p_noa_attr) + 9;
+
+        ath_dbg(common, CHAN_CTX, "Use channel contexts\n");
+}
+#endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */
+
 static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 {
         struct ath_hw *ah = sc->sc_ah;
@@ -776,7 +802,6 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
                 IEEE80211_HW_SPECTRUM_MGMT |
                 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
                 IEEE80211_HW_SUPPORTS_RC_TABLE |
-                IEEE80211_HW_QUEUE_CONTROL |
                 IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
 
         if (ath9k_ps_enable)
@@ -811,24 +836,6 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
                         hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
         }
 
-#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
-
-        if (ath9k_is_chanctx_enabled()) {
-                hw->wiphy->interface_modes &= ~ BIT(NL80211_IFTYPE_WDS);
-                hw->wiphy->iface_combinations = if_comb_multi;
-                hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_multi);
-                hw->wiphy->max_scan_ssids = 255;
-                hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
-                hw->wiphy->max_remain_on_channel_duration = 10000;
-                hw->chanctx_data_size = sizeof(void *);
-                hw->extra_beacon_tailroom =
-                        sizeof(struct ieee80211_p2p_noa_attr) + 9;
-
-                ath_dbg(common, CHAN_CTX, "Use channel contexts\n");
-        }
-
-#endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */
-
         hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
         hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
@@ -838,12 +845,7 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
         hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
         hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
 
-        /* allow 4 queues per channel context +
-         * 1 cab queue + 1 offchannel tx queue
-         */
-        hw->queues = ATH9K_NUM_TX_QUEUES;
-        /* last queue for offchannel */
-        hw->offchannel_tx_hw_queue = hw->queues - 1;
+        hw->queues = 4;
         hw->max_rates = 4;
         hw->max_listen_interval = 10;
         hw->max_rate_tries = 10;
@@ -867,6 +869,9 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
                 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
                         &common->sbands[IEEE80211_BAND_5GHZ];
 
+#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
+        ath9k_set_mcc_capab(sc, hw);
+#endif
         ath9k_init_wow(hw);
         ath9k_cmn_reload_chainmask(ah);
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 5f16630f26ce..f95283f3c350 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1184,6 +1184,9 @@ static void ath9k_assign_hw_queues(struct ieee80211_hw *hw,
 {
         int i;
 
+        if (!ath9k_is_chanctx_enabled())
+                return;
+
         for (i = 0; i < IEEE80211_NUM_ACS; i++)
                 vif->hw_queue[i] = i;
 
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 493a183d0aaf..d6e54a3c88f6 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -169,7 +169,10 @@ static void ath_txq_skb_done(struct ath_softc *sc, struct ath_txq *txq,
 
         if (txq->stopped &&
             txq->pending_frames < sc->tx.txq_max_pending[q]) {
-                ieee80211_wake_queue(sc->hw, info->hw_queue);
+                if (ath9k_is_chanctx_enabled())
+                        ieee80211_wake_queue(sc->hw, info->hw_queue);
+                else
+                        ieee80211_wake_queue(sc->hw, q);
                 txq->stopped = false;
         }
 }
@@ -2247,7 +2250,10 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
                 fi->txq = q;
                 if (++txq->pending_frames > sc->tx.txq_max_pending[q] &&
                     !txq->stopped) {
-                        ieee80211_stop_queue(sc->hw, info->hw_queue);
+                        if (ath9k_is_chanctx_enabled())
+                                ieee80211_stop_queue(sc->hw, info->hw_queue);
+                        else
+                                ieee80211_stop_queue(sc->hw, q);
                         txq->stopped = true;
                 }
         }
diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index 415393dfb6fc..06ea6cc9e30a 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -515,6 +515,7 @@ void ath_reg_notifier_apply(struct wiphy *wiphy,
         if (!request)
                 return;
 
+        reg->region = request->dfs_region;
         switch (request->initiator) {
         case NL80211_REGDOM_SET_BY_CORE:
                 /*
@@ -779,6 +780,19 @@ u32 ath_regd_get_band_ctl(struct ath_regulatory *reg,
                 return SD_NO_CTL;
         }
 
+        if (ath_regd_get_eepromRD(reg) == CTRY_DEFAULT) {
+                switch (reg->region) {
+                case NL80211_DFS_FCC:
+                        return CTL_FCC;
+                case NL80211_DFS_ETSI:
+                        return CTL_ETSI;
+                case NL80211_DFS_JP:
+                        return CTL_MKK;
+                default:
+                        break;
+                }
+        }
+
         switch (band) {
         case IEEE80211_BAND_2GHZ:
                 return reg->regpair->reg_2ghz_ctl;
diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c
index 1dfc682a8055..ee27b06074e1 100644
--- a/drivers/net/wireless/b43/phy_common.c
+++ b/drivers/net/wireless/b43/phy_common.c
@@ -300,9 +300,7 @@ void b43_phy_write(struct b43_wldev *dev, u16 reg, u16 value)
 
 void b43_phy_copy(struct b43_wldev *dev, u16 destreg, u16 srcreg)
 {
-        assert_mac_suspended(dev);
-        dev->phy.ops->phy_write(dev, destreg,
-                dev->phy.ops->phy_read(dev, srcreg));
+        b43_phy_write(dev, destreg, b43_phy_read(dev, srcreg));
 }
 
 void b43_phy_mask(struct b43_wldev *dev, u16 offset, u16 mask)
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
index e418969679c9..f8a9dfa657ba 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
@@ -299,6 +299,7 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
         primary_offset = ch->center_freq1 - ch->chan->center_freq;
         switch (ch->width) {
         case NL80211_CHAN_WIDTH_20:
+        case NL80211_CHAN_WIDTH_20_NOHT:
                 ch_inf.bw = BRCMU_CHAN_BW_20;
                 WARN_ON(primary_offset != 0);
                 break;
@@ -323,6 +324,10 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
                                 ch_inf.sb = BRCMU_CHAN_SB_LU;
                 }
                 break;
+        case NL80211_CHAN_WIDTH_80P80:
+        case NL80211_CHAN_WIDTH_160:
+        case NL80211_CHAN_WIDTH_5:
+        case NL80211_CHAN_WIDTH_10:
         default:
                 WARN_ON_ONCE(1);
         }
@@ -333,6 +338,7 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
         case IEEE80211_BAND_5GHZ:
                 ch_inf.band = BRCMU_CHAN_BAND_5G;
                 break;
+        case IEEE80211_BAND_60GHZ:
         default:
                 WARN_ON_ONCE(1);
         }
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
index 72e87b51f999..0b0d51a61060 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
@@ -670,7 +670,6 @@ static int brcmf_sdio_get_fwnames(struct brcmf_chip *ci,
                                   struct brcmf_sdio_dev *sdiodev)
 {
         int i;
-        uint fw_len, nv_len;
         char end;
 
         for (i = 0; i < ARRAY_SIZE(brcmf_fwname_data); i++) {
@@ -684,25 +683,25 @@ static int brcmf_sdio_get_fwnames(struct brcmf_chip *ci,
                 return -ENODEV;
         }
 
-        fw_len = sizeof(sdiodev->fw_name) - 1;
-        nv_len = sizeof(sdiodev->nvram_name) - 1;
         /* check if firmware path is provided by module parameter */
         if (brcmf_firmware_path[0] != '\0') {
-                strncpy(sdiodev->fw_name, brcmf_firmware_path, fw_len);
-                strncpy(sdiodev->nvram_name, brcmf_firmware_path, nv_len);
-                fw_len -= strlen(sdiodev->fw_name);
-                nv_len -= strlen(sdiodev->nvram_name);
+                strlcpy(sdiodev->fw_name, brcmf_firmware_path,
+                        sizeof(sdiodev->fw_name));
+                strlcpy(sdiodev->nvram_name, brcmf_firmware_path,
+                        sizeof(sdiodev->nvram_name));
 
                 end = brcmf_firmware_path[strlen(brcmf_firmware_path) - 1];
                 if (end != '/') {
-                        strncat(sdiodev->fw_name, "/", fw_len);
-                        strncat(sdiodev->nvram_name, "/", nv_len);
-                        fw_len--;
-                        nv_len--;
+                        strlcat(sdiodev->fw_name, "/",
+                                sizeof(sdiodev->fw_name));
+                        strlcat(sdiodev->nvram_name, "/",
+                                sizeof(sdiodev->nvram_name));
                 }
         }
-        strncat(sdiodev->fw_name, brcmf_fwname_data[i].bin, fw_len);
-        strncat(sdiodev->nvram_name, brcmf_fwname_data[i].nv, nv_len);
+        strlcat(sdiodev->fw_name, brcmf_fwname_data[i].bin,
+                sizeof(sdiodev->fw_name));
+        strlcat(sdiodev->nvram_name, brcmf_fwname_data[i].nv,
+                sizeof(sdiodev->nvram_name));
 
         return 0;
 }
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c
index e0d9f19650b0..eb03943f8463 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/iwlwifi/mvm/fw.c
@@ -284,7 +284,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 
         lockdep_assert_held(&mvm->mutex);
 
-        if (WARN_ON_ONCE(mvm->init_ucode_complete))
+        if (WARN_ON_ONCE(mvm->init_ucode_complete || mvm->calibrating))
                 return 0;
 
         iwl_init_notification_wait(&mvm->notif_wait,
@@ -334,6 +334,8 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
                 goto out;
         }
 
+        mvm->calibrating = true;
+
         /* Send TX valid antennas before triggering calibrations */
         ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
         if (ret)
@@ -358,11 +360,17 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
                         MVM_UCODE_CALIB_TIMEOUT);
         if (!ret)
                 mvm->init_ucode_complete = true;
+
+        if (ret && iwl_mvm_is_radio_killed(mvm)) {
+                IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
+                ret = 1;
+        }
         goto out;
 
 error:
         iwl_remove_notification(&mvm->notif_wait, &calib_wait);
 out:
+        mvm->calibrating = false;
         if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
                 /* we want to debug INIT and we have no NVM - fake */
                 mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index f308e52781f6..57325589ee5b 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -825,6 +825,7 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
 
         mvm->scan_status = IWL_MVM_SCAN_NONE;
         mvm->ps_disabled = false;
+        mvm->calibrating = false;
 
         /* just in case one was running */
         ieee80211_remain_on_channel_expired(mvm->hw);
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 256765accbc6..d015fac06a62 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -548,6 +548,7 @@ struct iwl_mvm {
         enum iwl_ucode_type cur_ucode;
         bool ucode_loaded;
         bool init_ucode_complete;
+        bool calibrating;
         u32 error_event_table;
         u32 log_event_table;
         u32 umac_error_event_table;
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index bd52ecfabedb..7a9578567f4f 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -427,6 +427,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
         }
         mvm->sf_state = SF_UNINIT;
         mvm->low_latency_agg_frame_limit = 6;
+        mvm->cur_ucode = IWL_UCODE_INIT;
 
         mutex_init(&mvm->mutex);
         mutex_init(&mvm->d0i3_suspend_mutex);
@@ -757,6 +758,7 @@ void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
 {
         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
+        bool calibrating = ACCESS_ONCE(mvm->calibrating);
 
         if (state)
                 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
@@ -765,7 +767,15 @@ static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
 
         wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm));
 
-        return state && mvm->cur_ucode != IWL_UCODE_INIT;
+        /* iwl_run_init_mvm_ucode is waiting for results, abort it */
+        if (calibrating)
+                iwl_abort_notification_waits(&mvm->notif_wait);
+
+        /*
+         * Stop the device if we run OPERATIONAL firmware or if we are in the
+         * middle of the calibrations.
+         */
+        return state && (mvm->cur_ucode != IWL_UCODE_INIT || calibrating);
 }
 
 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 5cd59a43e1da..fb2a8628b8fc 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -603,16 +603,6 @@ static int iwl_mvm_cancel_regular_scan(struct iwl_mvm *mvm)
                                                SCAN_COMPLETE_NOTIFICATION };
         int ret;
 
-        if (mvm->scan_status == IWL_MVM_SCAN_NONE)
-                return 0;
-
-        if (iwl_mvm_is_radio_killed(mvm)) {
-                ieee80211_scan_completed(mvm->hw, true);
-                iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
-                mvm->scan_status = IWL_MVM_SCAN_NONE;
-                return 0;
-        }
-
         iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_abort,
                                    scan_abort_notif,
                                    ARRAY_SIZE(scan_abort_notif),
@@ -1431,6 +1421,16 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
 
 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm)
 {
+        if (mvm->scan_status == IWL_MVM_SCAN_NONE)
+                return 0;
+
+        if (iwl_mvm_is_radio_killed(mvm)) {
+                ieee80211_scan_completed(mvm->hw, true);
+                iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
+                mvm->scan_status = IWL_MVM_SCAN_NONE;
+                return 0;
+        }
+
         if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
                 return iwl_mvm_scan_offload_stop(mvm, true);
         return iwl_mvm_cancel_regular_scan(mvm);
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 40a290603ead..ea8efed25c6a 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -913,7 +913,8 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
          * restart. So don't process again if the device is
          * already dead.
          */
-        if (test_bit(STATUS_DEVICE_ENABLED, &trans->status)) {
+        if (test_and_clear_bit(STATUS_DEVICE_ENABLED, &trans->status)) {
+                IWL_DEBUG_INFO(trans, "DEVICE_ENABLED bit was set and is now cleared\n");
                 iwl_pcie_tx_stop(trans);
                 iwl_pcie_rx_stop(trans);
 
@@ -943,7 +944,6 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
         /* clear all status bits */
         clear_bit(STATUS_SYNC_HCMD_ACTIVE, &trans->status);
         clear_bit(STATUS_INT_ENABLED, &trans->status);
-        clear_bit(STATUS_DEVICE_ENABLED, &trans->status);
         clear_bit(STATUS_TPOWER_PMI, &trans->status);
         clear_bit(STATUS_RFKILL, &trans->status);
 
@@ -1898,8 +1898,7 @@ static u32 iwl_trans_pcie_dump_prph(struct iwl_trans *trans,
                 int reg;
                 __le32 *val;
 
-                prph_len += sizeof(*data) + sizeof(*prph) +
-                        num_bytes_in_chunk;
+                prph_len += sizeof(**data) + sizeof(*prph) + num_bytes_in_chunk;
 
                 (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PRPH);
                 (*data)->len = cpu_to_le32(sizeof(*prph) +
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 209db62ee627..77fbf3035038 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2191,7 +2191,7 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
         if (err != 0) {
                 printk(KERN_DEBUG "mac80211_hwsim: device_bind_driver failed (%d)\n",
                        err);
-                goto failed_hw;
+                goto failed_bind;
         }
 
         skb_queue_head_init(&data->pending);
@@ -2397,6 +2397,8 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
         return idx;
 
 failed_hw:
+        device_release_driver(data->dev);
+failed_bind:
         device_unregister(data->dev);
 failed_drvdata:
         ieee80211_free_hw(hw);
diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.c b/drivers/net/wireless/mwifiex/11n_rxreorder.c
index 40057079ffb9..5ef5a0eeba50 100644
--- a/drivers/net/wireless/mwifiex/11n_rxreorder.c
+++ b/drivers/net/wireless/mwifiex/11n_rxreorder.c
@@ -196,6 +196,7 @@ mwifiex_del_rx_reorder_entry(struct mwifiex_private *priv,
         mwifiex_11n_dispatch_pkt_until_start_win(priv, tbl, start_win);
 
         del_timer_sync(&tbl->timer_context.timer);
+        tbl->timer_context.timer_is_set = false;
 
         spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags);
         list_del(&tbl->list);
@@ -297,6 +298,7 @@ mwifiex_flush_data(unsigned long context)
                 (struct reorder_tmr_cnxt *) context;
         int start_win, seq_num;
 
+        ctx->timer_is_set = false;
         seq_num = mwifiex_11n_find_last_seq_num(ctx);
 
         if (seq_num < 0)
@@ -385,6 +387,7 @@ mwifiex_11n_create_rx_reorder_tbl(struct mwifiex_private *priv, u8 *ta,
 
         new_node->timer_context.ptr = new_node;
         new_node->timer_context.priv = priv;
+        new_node->timer_context.timer_is_set = false;
 
         init_timer(&new_node->timer_context.timer);
         new_node->timer_context.timer.function = mwifiex_flush_data;
@@ -399,6 +402,22 @@ mwifiex_11n_create_rx_reorder_tbl(struct mwifiex_private *priv, u8 *ta,
         spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags);
 }
 
+static void
+mwifiex_11n_rxreorder_timer_restart(struct mwifiex_rx_reorder_tbl *tbl)
+{
+        u32 min_flush_time;
+
+        if (tbl->win_size >= MWIFIEX_BA_WIN_SIZE_32)
+                min_flush_time = MIN_FLUSH_TIMER_15_MS;
+        else
+                min_flush_time = MIN_FLUSH_TIMER_MS;
+
+        mod_timer(&tbl->timer_context.timer,
+                  jiffies + msecs_to_jiffies(min_flush_time * tbl->win_size));
+
+        tbl->timer_context.timer_is_set = true;
+}
+
 /*
  * This function prepares command for adding a BA request.
  *
@@ -523,31 +542,31 @@ int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv,
                                 u8 *ta, u8 pkt_type, void *payload)
 {
         struct mwifiex_rx_reorder_tbl *tbl;
-        int start_win, end_win, win_size;
+        int prev_start_win, start_win, end_win, win_size;
         u16 pkt_index;
         bool init_window_shift = false;
+        int ret = 0;
 
         tbl = mwifiex_11n_get_rx_reorder_tbl(priv, tid, ta);
         if (!tbl) {
                 if (pkt_type != PKT_TYPE_BAR)
                         mwifiex_11n_dispatch_pkt(priv, payload);
-                return 0;
+                return ret;
         }
 
         if ((pkt_type == PKT_TYPE_AMSDU) && !tbl->amsdu) {
                 mwifiex_11n_dispatch_pkt(priv, payload);
-                return 0;
+                return ret;
         }
 
         start_win = tbl->start_win;
+        prev_start_win = start_win;
         win_size = tbl->win_size;
         end_win = ((start_win + win_size) - 1) & (MAX_TID_VALUE - 1);
         if (tbl->flags & RXREOR_INIT_WINDOW_SHIFT) {
                 init_window_shift = true;
                 tbl->flags &= ~RXREOR_INIT_WINDOW_SHIFT;
         }
-        mod_timer(&tbl->timer_context.timer,
-                  jiffies + msecs_to_jiffies(MIN_FLUSH_TIMER_MS * win_size));
 
         if (tbl->flags & RXREOR_FORCE_NO_DROP) {
                 dev_dbg(priv->adapter->dev,
@@ -568,11 +587,14 @@ int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv,
                 if ((start_win + TWOPOW11) > (MAX_TID_VALUE - 1)) {
                         if (seq_num >= ((start_win + TWOPOW11) &
                                         (MAX_TID_VALUE - 1)) &&
-                            seq_num < start_win)
-                                return -1;
+                            seq_num < start_win) {
+                                ret = -1;
+                                goto done;
+                        }
                 } else if ((seq_num < start_win) ||
-                           (seq_num > (start_win + TWOPOW11))) {
-                        return -1;
+                           (seq_num >= (start_win + TWOPOW11))) {
+                        ret = -1;
+                        goto done;
                 }
         }
 
@@ -601,8 +623,10 @@ int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv,
                 else
                         pkt_index = (seq_num+MAX_TID_VALUE) - start_win;
 
-                if (tbl->rx_reorder_ptr[pkt_index])
-                        return -1;
+                if (tbl->rx_reorder_ptr[pkt_index]) {
+                        ret = -1;
+                        goto done;
+                }
 
                 tbl->rx_reorder_ptr[pkt_index] = payload;
         }
@@ -613,7 +637,11 @@ int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv,
          */
         mwifiex_11n_scan_and_dispatch(priv, tbl);
 
-        return 0;
+done:
+        if (!tbl->timer_context.timer_is_set ||
+            prev_start_win != tbl->start_win)
+                mwifiex_11n_rxreorder_timer_restart(tbl);
+        return ret;
 }
 
 /*
diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.h b/drivers/net/wireless/mwifiex/11n_rxreorder.h
index 3a87bb0e3a62..63ecea89b4ab 100644
--- a/drivers/net/wireless/mwifiex/11n_rxreorder.h
+++ b/drivers/net/wireless/mwifiex/11n_rxreorder.h
@@ -21,6 +21,8 @@
 #define _MWIFIEX_11N_RXREORDER_H_
 
 #define MIN_FLUSH_TIMER_MS              50
+#define MIN_FLUSH_TIMER_15_MS           15
+#define MWIFIEX_BA_WIN_SIZE_32          32
 
 #define PKT_TYPE_BAR 0xE7
 #define MAX_TID_VALUE                   (2 << 11)
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 51a67f34c8cb..5a690d5210f0 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -600,6 +600,7 @@ struct reorder_tmr_cnxt {
         struct timer_list timer;
         struct mwifiex_rx_reorder_tbl *ptr;
         struct mwifiex_private *priv;
+        u8 timer_is_set;
 };
 
 struct mwifiex_rx_reorder_tbl {
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 573897b8e878..8444313eabe2 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1111,6 +1111,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
         /* Ovislink */
         { USB_DEVICE(0x1b75, 0x3071) },
         { USB_DEVICE(0x1b75, 0x3072) },
+        { USB_DEVICE(0x1b75, 0xa200) },
         /* Para */
         { USB_DEVICE(0x20b8, 0x8888) },
         /* Pegatron */
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 8e68f87ab13c..66ff36447b94 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -158,55 +158,29 @@ void rt2x00queue_align_frame(struct sk_buff *skb)
         skb_trim(skb, frame_length);
 }
 
-void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int header_length)
+/*
+ * H/W needs L2 padding between the header and the paylod if header size
+ * is not 4 bytes aligned.
+ */
+void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int hdr_len)
 {
-        unsigned int payload_length = skb->len - header_length;
-        unsigned int header_align = ALIGN_SIZE(skb, 0);
-        unsigned int payload_align = ALIGN_SIZE(skb, header_length);
-        unsigned int l2pad = payload_length ? L2PAD_SIZE(header_length) : 0;
+        unsigned int l2pad = (skb->len > hdr_len) ? L2PAD_SIZE(hdr_len) : 0;
 
-        /*
-         * Adjust the header alignment if the payload needs to be moved more
-         * than the header.
-         */
-        if (payload_align > header_align)
-                header_align += 4;
-
-        /* There is nothing to do if no alignment is needed */
-        if (!header_align)
+        if (!l2pad)
                 return;
 
-        /* Reserve the amount of space needed in front of the frame */
-        skb_push(skb, header_align);
-
-        /*
-         * Move the header.
-         */
-        memmove(skb->data, skb->data + header_align, header_length);
-
-        /* Move the payload, if present and if required */
-        if (payload_length && payload_align)
-                memmove(skb->data + header_length + l2pad,
-                        skb->data + header_length + l2pad + payload_align,
-                        payload_length);
-
-        /* Trim the skb to the correct size */
-        skb_trim(skb, header_length + l2pad + payload_length);
+        skb_push(skb, l2pad);
+        memmove(skb->data, skb->data + l2pad, hdr_len);
 }
 
-void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int header_length)
+void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int hdr_len)
 {
-        /*
-         * L2 padding is only present if the skb contains more than just the
-         * IEEE 802.11 header.
-         */
-        unsigned int l2pad = (skb->len > header_length) ?
-                                L2PAD_SIZE(header_length) : 0;
+        unsigned int l2pad = (skb->len > hdr_len) ? L2PAD_SIZE(hdr_len) : 0;
 
         if (!l2pad)
                 return;
 
-        memmove(skb->data + l2pad, skb->data, header_length);
+        memmove(skb->data + l2pad, skb->data, hdr_len);
         skb_pull(skb, l2pad);
 }
 
diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c
index 58ba71830886..40b6d1d006d7 100644
--- a/drivers/net/wireless/rtlwifi/base.c
+++ b/drivers/net/wireless/rtlwifi/base.c
@@ -467,7 +467,7 @@ static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
                     rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw);
         /* <2> work queue */
         rtlpriv->works.hw = hw;
-        rtlpriv->works.rtl_wq = alloc_workqueue(rtlpriv->cfg->name, 0, 0);
+        rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name);
         INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
                           (void *)rtl_watchdog_wq_callback);
         INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c
index f6179bc06086..07dae0d44abc 100644
--- a/drivers/net/wireless/rtlwifi/core.c
+++ b/drivers/net/wireless/rtlwifi/core.c
@@ -1828,3 +1828,9 @@ const struct ieee80211_ops rtl_ops = {
         .flush = rtl_op_flush,
 };
 EXPORT_SYMBOL_GPL(rtl_ops);
+
+bool rtl_btc_status_false(void)
+{
+        return false;
+}
+EXPORT_SYMBOL_GPL(rtl_btc_status_false);
diff --git a/drivers/net/wireless/rtlwifi/core.h b/drivers/net/wireless/rtlwifi/core.h
index 59cd3b9dca25..624e1dc16d31 100644
--- a/drivers/net/wireless/rtlwifi/core.h
+++ b/drivers/net/wireless/rtlwifi/core.h
@@ -42,5 +42,6 @@ void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr,
                      u32 mask, u32 data);
 void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data);
 bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb);
+bool rtl_btc_status_false(void);
 
 #endif
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 667aba81246c..61f5d36eca6a 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -842,7 +842,8 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
                         break;
                 }
                 /* handle command packet here */
-                if (rtlpriv->cfg->ops->rx_command_packet(hw, stats, skb)) {
+                if (rtlpriv->cfg->ops->rx_command_packet &&
+                    rtlpriv->cfg->ops->rx_command_packet(hw, stats, skb)) {
                                 dev_kfree_skb_any(skb);
                                 goto end;
                 }
@@ -1127,9 +1128,14 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
 
         __skb_queue_tail(&ring->queue, pskb);
 
-        rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, HW_DESC_OWN,
-                                    &temp_one);
-
+        if (rtlpriv->use_new_trx_flow) {
+                temp_one = 4;
+                rtlpriv->cfg->ops->set_desc(hw, (u8 *)pbuffer_desc, true,
+                                            HW_DESC_OWN, (u8 *)&temp_one);
+        } else {
+                rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, HW_DESC_OWN,
+                                            &temp_one);
+        }
         return;
 }
 
@@ -1370,9 +1376,9 @@ static void _rtl_pci_free_tx_ring(struct ieee80211_hw *hw,
         ring->desc = NULL;
         if (rtlpriv->use_new_trx_flow) {
                 pci_free_consistent(rtlpci->pdev,
-                                    sizeof(*ring->desc) * ring->entries,
+                                    sizeof(*ring->buffer_desc) * ring->entries,
                                     ring->buffer_desc, ring->buffer_desc_dma);
-                ring->desc = NULL;
+                ring->buffer_desc = NULL;
         }
 }
 
@@ -1543,7 +1549,6 @@ int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw)
                                                          true,
                                                          HW_DESC_TXBUFF_ADDR),
                                                  skb->len, PCI_DMA_TODEVICE);
-                                ring->idx = (ring->idx + 1) % ring->entries;
                                 kfree_skb(skb);
                                 ring->idx = (ring->idx + 1) % ring->entries;
                         }
@@ -1796,7 +1801,8 @@ static int rtl_pci_start(struct ieee80211_hw *hw)
         rtl_pci_reset_trx_ring(hw);
 
         rtlpci->driver_is_goingto_unload = false;
-        if (rtlpriv->cfg->ops->get_btc_status()) {
+        if (rtlpriv->cfg->ops->get_btc_status &&
+            rtlpriv->cfg->ops->get_btc_status()) {
                 rtlpriv->btcoexist.btc_ops->btc_init_variables(rtlpriv);
                 rtlpriv->btcoexist.btc_ops->btc_init_hal_vars(rtlpriv);
         }
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
index a00861b26ece..29983bc96a89 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
@@ -656,7 +656,8 @@ static u8 reserved_page_packet[TOTAL_RESERVED_PKT_LEN] = {
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 };
 
-void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished)
+void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw,
+         bool (*cmd_send_packet)(struct ieee80211_hw *, struct sk_buff *))
 {
         struct rtl_priv *rtlpriv = rtl_priv(hw);
         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
@@ -722,7 +723,10 @@ void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished)
         memcpy((u8 *)skb_put(skb, totalpacketlen),
                &reserved_page_packet, totalpacketlen);
 
-        rtstatus = rtl_cmd_send_packet(hw, skb);
+        if (cmd_send_packet)
+                rtstatus = cmd_send_packet(hw, skb);
+        else
+                rtstatus = rtl_cmd_send_packet(hw, skb);
 
         if (rtstatus)
                 b_dlok = true;
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.h b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.h
index a815bd6273da..b64ae45dc674 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.h
@@ -109,7 +109,9 @@ void rtl92c_fill_h2c_cmd(struct ieee80211_hw *hw, u8 element_id,
                          u32 cmd_len, u8 *p_cmdbuffer);
 void rtl92c_firmware_selfreset(struct ieee80211_hw *hw);
 void rtl92c_set_fw_pwrmode_cmd(struct ieee80211_hw *hw, u8 mode);
-void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished);
+void rtl92c_set_fw_rsvdpagepkt
+        (struct ieee80211_hw *hw,
+         bool (*cmd_send_packet)(struct ieee80211_hw *, struct sk_buff *));
 void rtl92c_set_fw_joinbss_report_cmd(struct ieee80211_hw *hw, u8 mstatus);
 void usb_writeN_async(struct rtl_priv *rtlpriv, u32 addr, void *data, u16 len);
 void rtl92c_set_p2p_ps_offload_cmd(struct ieee80211_hw *hw, u8 p2p_ps_state);
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/def.h b/drivers/net/wireless/rtlwifi/rtl8192ce/def.h
index 831df101d7b7..9b660df6fd71 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/def.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/def.h
@@ -114,6 +114,8 @@
         LE_BITS_TO_4BYTE(((__pcmdfbhdr) + 4), 16, 4)
 #define GET_C2H_CMD_FEEDBACK_CCX_SEQ(__pcmdfbhdr)       \
         LE_BITS_TO_4BYTE(((__pcmdfbhdr) + 4), 20, 12)
+#define GET_RX_STATUS_DESC_BUFF_ADDR(__pdesc)                   \
+        SHIFT_AND_MASK_LE(__pdesc + 24, 0, 32)
 
 #define CHIP_VER_B                      BIT(4)
 #define CHIP_BONDING_IDENTIFIER(_value) (((_value) >> 22) & 0x3)
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
index 8ec0f031f48a..55357d69397a 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
@@ -459,7 +459,7 @@ void rtl92ce_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
                                 rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2,
                                                tmp_reg422 & (~BIT(6)));
 
-                                rtl92c_set_fw_rsvdpagepkt(hw, 0);
+                                rtl92c_set_fw_rsvdpagepkt(hw, NULL);
 
                                 _rtl92ce_set_bcn_ctrl_reg(hw, BIT(3), 0);
                                 _rtl92ce_set_bcn_ctrl_reg(hw, 0, BIT(4));
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c
index d86b5b566444..46ea07605eb4 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c
@@ -244,6 +244,7 @@ static struct rtl_hal_ops rtl8192ce_hal_ops = {
         .phy_lc_calibrate = _rtl92ce_phy_lc_calibrate,
         .phy_set_bw_mode_callback = rtl92ce_phy_set_bw_mode_callback,
         .dm_dynamic_txpower = rtl92ce_dm_dynamic_txpower,
+        .get_btc_status = rtl_btc_status_false,
 };
 
 static struct rtl_mod_params rtl92ce_mod_params = {
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
index 2fb9c7acb76a..dc3d20b17a26 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
@@ -728,6 +728,9 @@ u32 rtl92ce_get_desc(u8 *p_desc, bool istx, u8 desc_name)
                 case HW_DESC_RXPKT_LEN:
                         ret = GET_RX_DESC_PKT_LEN(pdesc);
                         break;
+                case HW_DESC_RXBUFF_ADDR:
+                        ret = GET_RX_STATUS_DESC_BUFF_ADDR(pdesc);
+                        break;
                 default:
                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
                                   desc_name);
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
index 04aa0b5f5b3d..873363acbacf 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
@@ -1592,6 +1592,20 @@ void rtl92cu_get_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
         }
 }
 
+bool usb_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+  /* Currently nothing happens here.
+   * Traffic stops after some seconds in WPA2 802.11n mode.
+   * Maybe because rtl8192cu chip should be set from here?
+   * If I understand correctly, the realtek vendor driver sends some urbs
+   * if its "here".
+   *
+   * This is maybe necessary:
+   * rtlpriv->cfg->ops->fill_tx_cmddesc(hw, buffer, 1, 1, skb);
+   */
+        return true;
+}
+
 void rtl92cu_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
 {
         struct rtl_priv *rtlpriv = rtl_priv(hw);
@@ -1939,7 +1953,8 @@ void rtl92cu_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
                                         recover = true;
                                 rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2,
                                                tmp_reg422 & (~BIT(6)));
-                                rtl92c_set_fw_rsvdpagepkt(hw, 0);
+                                rtl92c_set_fw_rsvdpagepkt(hw,
+                                                          &usb_cmd_send_packet);
                                 _rtl92cu_set_bcn_ctrl_reg(hw, BIT(3), 0);
                                 _rtl92cu_set_bcn_ctrl_reg(hw, 0, BIT(4));
                                 if (recover)
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.h b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.h
index 0f7812e0c8aa..c1e33b0228c0 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.h
@@ -104,7 +104,6 @@ bool rtl92cu_gpio_radio_on_off_checking(struct ieee80211_hw *hw, u8 * valid);
 void rtl92cu_set_check_bssid(struct ieee80211_hw *hw, bool check_bssid);
 int rtl92c_download_fw(struct ieee80211_hw *hw);
 void rtl92c_set_fw_pwrmode_cmd(struct ieee80211_hw *hw, u8 mode);
-void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool dl_finished);
 void rtl92c_set_fw_joinbss_report_cmd(struct ieee80211_hw *hw, u8 mstatus);
 void rtl92c_fill_h2c_cmd(struct ieee80211_hw *hw,
                          u8 element_id, u32 cmd_len, u8 *p_cmdbuffer);
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
index 7c5fbaf5fee0..e06bafee37f9 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
@@ -101,6 +101,12 @@ static void rtl92cu_deinit_sw_vars(struct ieee80211_hw *hw)
         }
 }
 
+/* get bt coexist status */
+static bool rtl92cu_get_btc_status(void)
+{
+        return false;
+}
+
 static struct rtl_hal_ops rtl8192cu_hal_ops = {
         .init_sw_vars = rtl92cu_init_sw_vars,
         .deinit_sw_vars = rtl92cu_deinit_sw_vars,
@@ -148,6 +154,7 @@ static struct rtl_hal_ops rtl8192cu_hal_ops = {
         .phy_set_bw_mode_callback = rtl92cu_phy_set_bw_mode_callback,
         .dm_dynamic_txpower = rtl92cu_dm_dynamic_txpower,
         .fill_h2c_cmd = rtl92c_fill_h2c_cmd,
+        .get_btc_status = rtl92cu_get_btc_status,
 };
 
 static struct rtl_mod_params rtl92cu_mod_params = {
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/sw.c b/drivers/net/wireless/rtlwifi/rtl8192de/sw.c
index edab5a5351b5..a0aba088259a 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/sw.c
@@ -251,6 +251,7 @@ static struct rtl_hal_ops rtl8192de_hal_ops = {
         .get_rfreg = rtl92d_phy_query_rf_reg,
         .set_rfreg = rtl92d_phy_set_rf_reg,
         .linked_set_reg = rtl92d_linked_set_reg,
+        .get_btc_status = rtl_btc_status_false,
 };
 
 static struct rtl_mod_params rtl92de_mod_params = {
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ee/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ee/hw.c
index dfdc9b20e4ad..1a87edca2c3f 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ee/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ee/hw.c
@@ -362,7 +362,7 @@ void rtl92ee_get_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
                 }
                 break;
         default:
-                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
                          "switch case not process %x\n", variable);
                 break;
         }
@@ -591,7 +591,7 @@ void rtl92ee_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
                                 acm_ctrl &= (~ACMHW_BEQEN);
                                 break;
                         default:
-                                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                                RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
                                          "switch case not process\n");
                                 break;
                         }
@@ -710,7 +710,7 @@ void rtl92ee_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
                 }
                 break;
         default:
-                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
                          "switch case not process %x\n", variable);
                 break;
         }
@@ -2424,7 +2424,7 @@ void rtl92ee_set_key(struct ieee80211_hw *hw, u32 key_index,
                         enc_algo = CAM_AES;
                         break;
                 default:
-                        RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                        RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
                                  "switch case not process\n");
                         enc_algo = CAM_TKIP;
                         break;
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/def.h b/drivers/net/wireless/rtlwifi/rtl8192se/def.h
index 83c98674bfd3..6e7a70b43949 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/def.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/def.h
@@ -446,6 +446,8 @@
 /* DWORD 6 */
 #define SET_RX_STATUS__DESC_BUFF_ADDR(__pdesc, __val)   \
         SET_BITS_OFFSET_LE(__pdesc + 24, 0, 32, __val)
+#define GET_RX_STATUS_DESC_BUFF_ADDR(__pdesc)                   \
+        SHIFT_AND_MASK_LE(__pdesc + 24, 0, 32)
 
 #define SE_RX_HAL_IS_CCK_RATE(_pdesc)\
         (GET_RX_STATUS_DESC_RX_MCS(_pdesc) == DESC92_RATE1M ||  \
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
index 00e067044c08..5761d5b49e39 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
@@ -1201,6 +1201,9 @@ static int _rtl92se_set_media_status(struct ieee80211_hw *hw,
 
         }
 
+        if (type != NL80211_IFTYPE_AP &&
+            rtlpriv->mac80211.link_state < MAC80211_LINKED)
+                bt_msr = rtl_read_byte(rtlpriv, MSR) & ~MSR_LINK_MASK;
         rtl_write_byte(rtlpriv, (MSR), bt_msr);
 
         temp = rtl_read_dword(rtlpriv, TCR);
@@ -1262,6 +1265,7 @@ void rtl92se_enable_interrupt(struct ieee80211_hw *hw)
         rtl_write_dword(rtlpriv, INTA_MASK, rtlpci->irq_mask[0]);
         /* Support Bit 32-37(Assign as Bit 0-5) interrupt setting now */
         rtl_write_dword(rtlpriv, INTA_MASK + 4, rtlpci->irq_mask[1] & 0x3F);
+        rtlpci->irq_enabled = true;
 }
 
 void rtl92se_disable_interrupt(struct ieee80211_hw *hw)
@@ -1276,8 +1280,7 @@ void rtl92se_disable_interrupt(struct ieee80211_hw *hw)
         rtlpci = rtl_pcidev(rtl_pcipriv(hw));
         rtl_write_dword(rtlpriv, INTA_MASK, 0);
         rtl_write_dword(rtlpriv, INTA_MASK + 4, 0);
-
-        synchronize_irq(rtlpci->pdev->irq);
+        rtlpci->irq_enabled = false;
 }
 
 static u8 _rtl92s_set_sysclk(struct ieee80211_hw *hw, u8 data)
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
index 77c5b5f35244..4b4612fe2fdb 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
@@ -399,6 +399,8 @@ static bool _rtl92s_phy_sw_chnl_step_by_step(struct ieee80211_hw *hw,
                 case 2:
                         currentcmd = &postcommoncmd[*step];
                         break;
+                default:
+                        return true;
                 }
 
                 if (currentcmd->cmdid == CMDID_END) {
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/sw.c b/drivers/net/wireless/rtlwifi/rtl8192se/sw.c
index 1bff2a0f7600..fb003868bdef 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/sw.c
@@ -87,11 +87,8 @@ static void rtl92s_init_aspm_vars(struct ieee80211_hw *hw)
 static void rtl92se_fw_cb(const struct firmware *firmware, void *context)
 {
         struct ieee80211_hw *hw = context;
-        struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
         struct rtl_priv *rtlpriv = rtl_priv(hw);
-        struct rtl_pci *rtlpci = rtl_pcidev(pcipriv);
         struct rt_firmware *pfirmware = NULL;
-        int err;
 
         RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
                          "Firmware callback routine entered!\n");
@@ -112,20 +109,6 @@ static void rtl92se_fw_cb(const struct firmware *firmware, void *context)
         memcpy(pfirmware->sz_fw_tmpbuffer, firmware->data, firmware->size);
         pfirmware->sz_fw_tmpbufferlen = firmware->size;
         release_firmware(firmware);
-
-        err = ieee80211_register_hw(hw);
-        if (err) {
-                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
-                         "Can't register mac80211 hw\n");
-                return;
-        } else {
-                rtlpriv->mac80211.mac80211_registered = 1;
-        }
-        rtlpci->irq_alloc = 1;
-        set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
-
-        /*init rfkill */
-        rtl_init_rfkill(hw);
 }
 
 static int rtl92s_init_sw_vars(struct ieee80211_hw *hw)
@@ -226,8 +209,8 @@ static int rtl92s_init_sw_vars(struct ieee80211_hw *hw)
         if (!rtlpriv->rtlhal.pfirmware)
                 return 1;
 
-        rtlpriv->max_fw_size = RTL8190_MAX_RAW_FIRMWARE_CODE_SIZE;
-
+        rtlpriv->max_fw_size = RTL8190_MAX_FIRMWARE_CODE_SIZE*2 +
+                               sizeof(struct fw_hdr);
         pr_info("Driver for Realtek RTL8192SE/RTL8191SE\n"
                 "Loading firmware %s\n", rtlpriv->cfg->fw_name);
         /* request fw */
@@ -253,6 +236,19 @@ static void rtl92s_deinit_sw_vars(struct ieee80211_hw *hw)
         }
 }
 
+static bool rtl92se_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue,
+                                      u16 index)
+{
+        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+        struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
+        u8 *entry = (u8 *)(&ring->desc[ring->idx]);
+        u8 own = (u8)rtl92se_get_desc(entry, true, HW_DESC_OWN);
+
+        if (own)
+                return false;
+        return true;
+}
+
 static struct rtl_hal_ops rtl8192se_hal_ops = {
         .init_sw_vars = rtl92s_init_sw_vars,
         .deinit_sw_vars = rtl92s_deinit_sw_vars,
@@ -286,6 +282,7 @@ static struct rtl_hal_ops rtl8192se_hal_ops = {
         .led_control = rtl92se_led_control,
         .set_desc = rtl92se_set_desc,
         .get_desc = rtl92se_get_desc,
+        .is_tx_desc_closed = rtl92se_is_tx_desc_closed,
         .tx_polling = rtl92se_tx_polling,
         .enable_hw_sec = rtl92se_enable_hw_security_config,
         .set_key = rtl92se_set_key,
@@ -294,6 +291,7 @@ static struct rtl_hal_ops rtl8192se_hal_ops = {
         .set_bbreg = rtl92s_phy_set_bb_reg,
         .get_rfreg = rtl92s_phy_query_rf_reg,
         .set_rfreg = rtl92s_phy_set_rf_reg,
+        .get_btc_status = rtl_btc_status_false,
 };
 
 static struct rtl_mod_params rtl92se_mod_params = {
@@ -322,6 +320,8 @@ static struct rtl_hal_cfg rtl92se_hal_cfg = {
         .maps[MAC_RCR_ACRC32] = RCR_ACRC32,
         .maps[MAC_RCR_ACF] = RCR_ACF,
         .maps[MAC_RCR_AAP] = RCR_AAP,
+        .maps[MAC_HIMR] = INTA_MASK,
+        .maps[MAC_HIMRE] = INTA_MASK + 4,
 
         .maps[EFUSE_TEST] = REG_EFUSE_TEST,
         .maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
index b358ebce8942..672fd3b02835 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
@@ -640,6 +640,9 @@ u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name)
                 case HW_DESC_RXPKT_LEN:
                         ret = GET_RX_STATUS_DESC_PKT_LEN(desc);
                         break;
+                case HW_DESC_RXBUFF_ADDR:
+                        ret = GET_RX_STATUS_DESC_BUFF_ADDR(desc);
+                        break;
                 default:
                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
                                   desc_name);
diff --git a/drivers/net/wireless/rtlwifi/rtl8821ae/phy.c b/drivers/net/wireless/rtlwifi/rtl8821ae/phy.c
index 4be278f7df51..9b4d8a637915 100644
--- a/drivers/net/wireless/rtlwifi/rtl8821ae/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8821ae/phy.c
@@ -1889,15 +1889,18 @@ static void _rtl8821ae_store_tx_power_by_rate(struct ieee80211_hw *hw,
         struct rtl_phy *rtlphy = &rtlpriv->phy;
         u8 rate_section = _rtl8821ae_get_rate_section_index(regaddr);
 
-        if (band != BAND_ON_2_4G && band != BAND_ON_5G)
+        if (band != BAND_ON_2_4G && band != BAND_ON_5G) {
                 RT_TRACE(rtlpriv, COMP_INIT, DBG_WARNING, "Invalid Band %d\n", band);
-
-        if (rfpath >= MAX_RF_PATH)
+                band = BAND_ON_2_4G;
+        }
+        if (rfpath >= MAX_RF_PATH) {
                 RT_TRACE(rtlpriv, COMP_INIT, DBG_WARNING, "Invalid RfPath %d\n", rfpath);
-
-        if (txnum >= MAX_RF_PATH)
+                rfpath = MAX_RF_PATH - 1;
+        }
+        if (txnum >= MAX_RF_PATH) {
                 RT_TRACE(rtlpriv, COMP_INIT, DBG_WARNING, "Invalid TxNum %d\n", txnum);
-
+                txnum = MAX_RF_PATH - 1;
+        }
         rtlphy->tx_power_by_rate_offset[band][rfpath][txnum][rate_section] = data;
         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
                  "TxPwrByRateOffset[Band %d][RfPath %d][TxNum %d][RateSection %d] = 0x%x\n",
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 10cf69c4bc42..46ee956d0235 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -1117,7 +1117,18 @@ int rtl_usb_probe(struct usb_interface *intf,
         }
         rtlpriv->cfg->ops->init_sw_leds(hw);
 
+        err = ieee80211_register_hw(hw);
+        if (err) {
+                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                         "Can't register mac80211 hw.\n");
+                err = -ENODEV;
+                goto error_out;
+        }
+        rtlpriv->mac80211.mac80211_registered = 1;
+
+        set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
         return 0;
+
 error_out:
         rtl_deinit_core(hw);
         _rtl_usb_io_handler_release(hw);
diff --git a/net/mac80211/aes_ccm.c b/net/mac80211/aes_ccm.c
index ec24378caaaf..09d9caaec591 100644
--- a/net/mac80211/aes_ccm.c
+++ b/net/mac80211/aes_ccm.c
@@ -53,6 +53,9 @@ int ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
                 __aligned(__alignof__(struct aead_request));
         struct aead_request *aead_req = (void *) aead_req_data;
 
+        if (data_len == 0)
+                return -EINVAL;
+
         memset(aead_req, 0, sizeof(aead_req_data));
 
         sg_init_one(&pt, data, data_len);
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 56b53571c807..509bc157ce55 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -805,7 +805,7 @@ ieee80211_ibss_process_chanswitch(struct ieee80211_sub_if_data *sdata,
 
         memset(&params, 0, sizeof(params));
         memset(&csa_ie, 0, sizeof(csa_ie));
-        err = ieee80211_parse_ch_switch_ie(sdata, elems, beacon,
+        err = ieee80211_parse_ch_switch_ie(sdata, elems,
                                            ifibss->chandef.chan->band,
                                            sta_flags, ifibss->bssid, &csa_ie);
         /* can't switch to destination channel, fail */
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index a51c993ece73..842e0661fb57 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1705,7 +1705,6 @@ void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
  * ieee80211_parse_ch_switch_ie - parses channel switch IEs
  * @sdata: the sdata of the interface which has received the frame
  * @elems: parsed 802.11 elements received with the frame
- * @beacon: indicates if the frame was a beacon or probe response
  * @current_band: indicates the current band
  * @sta_flags: contains information about own capabilities and restrictions
  *      to decide which channel switch announcements can be accepted. Only the
@@ -1719,7 +1718,7 @@ void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
  * Return: 0 on success, <0 on error and >0 if there is nothing to parse.
  */
 int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
-                                 struct ieee802_11_elems *elems, bool beacon,
+                                 struct ieee802_11_elems *elems,
                                  enum ieee80211_band current_band,
                                  u32 sta_flags, u8 *bssid,
                                  struct ieee80211_csa_ie *csa_ie);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 6b631c049eba..9df26adb864a 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -777,10 +777,12 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
         int i, flushed;
         struct ps_data *ps;
         struct cfg80211_chan_def chandef;
+        bool cancel_scan;
 
         clear_bit(SDATA_STATE_RUNNING, &sdata->state);
 
-        if (rcu_access_pointer(local->scan_sdata) == sdata)
+        cancel_scan = rcu_access_pointer(local->scan_sdata) == sdata;
+        if (cancel_scan)
                 ieee80211_scan_cancel(local);
 
         /*
@@ -911,6 +913,8 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
                 list_del(&sdata->u.vlan.list);
                 mutex_unlock(&local->mtx);
                 RCU_INIT_POINTER(sdata->vif.chanctx_conf, NULL);
+                /* see comment in the default case below */
+                ieee80211_free_keys(sdata, true);
                 /* no need to tell driver */
                 break;
         case NL80211_IFTYPE_MONITOR:
@@ -936,17 +940,16 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
                 /*
                  * When we get here, the interface is marked down.
                  * Free the remaining keys, if there are any
-                 * (shouldn't be, except maybe in WDS mode?)
+                 * (which can happen in AP mode if userspace sets
+                 * keys before the interface is operating, and maybe
+                 * also in WDS mode)
                  *
                  * Force the key freeing to always synchronize_net()
                  * to wait for the RX path in case it is using this
-                 * interface enqueuing frames * at this very time on
+                 * interface enqueuing frames at this very time on
                  * another CPU.
                  */
                 ieee80211_free_keys(sdata, true);
-
-                /* fall through */
-        case NL80211_IFTYPE_AP:
                 skb_queue_purge(&sdata->skb_queue);
         }
 
@@ -1004,6 +1007,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
 
         ieee80211_recalc_ps(local, -1);
 
+        if (cancel_scan)
+                flush_delayed_work(&local->scan_work);
+
         if (local->open_count == 0) {
                 ieee80211_stop_device(local);
 
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index e9f99c1e3fad..0c8b2a77d312 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -874,7 +874,7 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
 
         memset(&params, 0, sizeof(params));
         memset(&csa_ie, 0, sizeof(csa_ie));
-        err = ieee80211_parse_ch_switch_ie(sdata, elems, beacon, band,
+        err = ieee80211_parse_ch_switch_ie(sdata, elems, band,
                                            sta_flags, sdata->vif.addr,
                                            &csa_ie);
         if (err < 0)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 213a420704a6..0d166e766dad 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1117,7 +1117,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
 
         current_band = cbss->channel->band;
         memset(&csa_ie, 0, sizeof(csa_ie));
-        res = ieee80211_parse_ch_switch_ie(sdata, elems, beacon, current_band,
+        res = ieee80211_parse_ch_switch_ie(sdata, elems, current_band,
                                            ifmgd->flags,
                                            ifmgd->associated->bssid, &csa_ie);
         if (res < 0)
@@ -1216,7 +1216,8 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
                 ieee80211_queue_work(&local->hw, &ifmgd->chswitch_work);
         else
                 mod_timer(&ifmgd->chswitch_timer,
-                          TU_TO_EXP_TIME(csa_ie.count * cbss->beacon_interval));
+                          TU_TO_EXP_TIME((csa_ie.count - 1) *
+                                         cbss->beacon_interval));
 }
 
 static bool
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index bc63aa0c5401..a726bb169302 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1685,11 +1685,14 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
         sc = le16_to_cpu(hdr->seq_ctrl);
         frag = sc & IEEE80211_SCTL_FRAG;
 
-        if (likely((!ieee80211_has_morefrags(fc) && frag == 0) ||
-                   is_multicast_ether_addr(hdr->addr1))) {
-                /* not fragmented */
+        if (likely(!ieee80211_has_morefrags(fc) && frag == 0))
+                goto out;
+
+        if (is_multicast_ether_addr(hdr->addr1)) {
+                rx->local->dot11MulticastReceivedFrameCount++;
                 goto out;
         }
+
         I802_DEBUG_INC(rx->local->rx_handlers_fragments);
 
         if (skb_linearize(rx->skb))
@@ -1782,10 +1785,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
  out:
         if (rx->sta)
                 rx->sta->rx_packets++;
-        if (is_multicast_ether_addr(hdr->addr1))
-                rx->local->dot11MulticastReceivedFrameCount++;
-        else
-                ieee80211_led_rx(rx->local);
+        ieee80211_led_rx(rx->local);
         return RX_CONTINUE;
 }
 
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index 6ab009070084..efeba56c913b 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -22,7 +22,7 @@
 #include "wme.h"
 
 int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
-                                 struct ieee802_11_elems *elems, bool beacon,
+                                 struct ieee802_11_elems *elems,
                                  enum ieee80211_band current_band,
                                  u32 sta_flags, u8 *bssid,
                                  struct ieee80211_csa_ie *csa_ie)
@@ -91,19 +91,13 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
                 return -EINVAL;
         }
 
-        if (!beacon && sec_chan_offs) {
+        if (sec_chan_offs) {
                 secondary_channel_offset = sec_chan_offs->sec_chan_offs;
-        } else if (beacon && ht_oper) {
-                secondary_channel_offset =
-                        ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
         } else if (!(sta_flags & IEEE80211_STA_DISABLE_HT)) {
-                /* If it's not a beacon, HT is enabled and the IE not present,
-                 * it's 20 MHz, 802.11-2012 8.5.2.6:
-                 *      This element [the Secondary Channel Offset Element] is
-                 *      present when switching to a 40 MHz channel. It may be
-                 *      present when switching to a 20 MHz channel (in which
-                 *      case the secondary channel offset is set to SCN).
-                 */
+                /* If the secondary channel offset IE is not present,
+                 * we can't know what's the post-CSA offset, so the
+                 * best we can do is use 20MHz.
+                */
                 secondary_channel_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
         }