diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index f470f9aea50f..0cd4718372f5 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -22,6 +22,7 @@
 #include "fw/api/commands.h"
 #include "fw/api/cmdhdr.h"
 #include "fw/img.h"
+#include "mei/iwl-mei.h"
 
 /* NVM offsets (in words) definitions */
 enum nvm_offsets {
@@ -1114,6 +1115,66 @@ iwl_nvm_no_wide_in_5ghz(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 	return false;
 }
 
+struct iwl_nvm_data *
+iwl_parse_mei_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
+		       const struct iwl_mei_nvm *mei_nvm,
+		       const struct iwl_fw *fw)
+{
+	struct iwl_nvm_data *data;
+	u32 sbands_flags = 0;
+	u8 rx_chains = fw->valid_rx_ant;
+	u8 tx_chains = fw->valid_rx_ant;
+
+	if (cfg->uhb_supported)
+		data = kzalloc(struct_size(data, channels,
+					   IWL_NVM_NUM_CHANNELS_UHB),
+					   GFP_KERNEL);
+	else
+		data = kzalloc(struct_size(data, channels,
+					   IWL_NVM_NUM_CHANNELS_EXT),
+					   GFP_KERNEL);
+	if (!data)
+		return NULL;
+
+	BUILD_BUG_ON(ARRAY_SIZE(mei_nvm->channels) !=
+		     IWL_NVM_NUM_CHANNELS_UHB);
+	data->nvm_version = mei_nvm->nvm_version;
+
+	iwl_set_radio_cfg(cfg, data, mei_nvm->radio_cfg);
+	if (data->valid_tx_ant)
+		tx_chains &= data->valid_tx_ant;
+	if (data->valid_rx_ant)
+		rx_chains &= data->valid_rx_ant;
+
+	data->sku_cap_mimo_disabled = false;
+	data->sku_cap_band_24ghz_enable = true;
+	data->sku_cap_band_52ghz_enable = true;
+	data->sku_cap_11n_enable =
+		!(iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL);
+	data->sku_cap_11ac_enable = true;
+	data->sku_cap_11ax_enable =
+		mei_nvm->caps & MEI_NVM_CAPS_11AX_SUPPORT;
+
+	data->lar_enabled = mei_nvm->caps & MEI_NVM_CAPS_LARI_SUPPORT;
+
+	data->n_hw_addrs = mei_nvm->n_hw_addrs;
+	/* If no valid mac address was found - bail out */
+	if (iwl_set_hw_address(trans, cfg, data, NULL, NULL)) {
+		kfree(data);
+		return NULL;
+	}
+
+	if (data->lar_enabled &&
+	    fw_has_capa(&fw->ucode_capa, IWL_UCODE_TLV_CAPA_LAR_SUPPORT))
+		sbands_flags |= IWL_NVM_SBANDS_FLAGS_LAR;
+
+	iwl_init_sbands(trans, data, mei_nvm->channels, tx_chains, rx_chains,
+			sbands_flags, true, fw);
+
+	return data;
+}
+IWL_EXPORT_SYMBOL(iwl_parse_mei_nvm_data);
+
 struct iwl_nvm_data *
 iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 		   const struct iwl_fw *fw,
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h
index e1f5a9741850..e01f7751cf11 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
- * Copyright (C) 2005-2015, 2018-2020 Intel Corporation
+ * Copyright (C) 2005-2015, 2018-2021 Intel Corporation
  * Copyright (C) 2016-2017 Intel Deutschland GmbH
  */
 #ifndef __iwl_nvm_parse_h__
@@ -8,6 +8,7 @@
 
 #include <net/cfg80211.h>
 #include "iwl-eeprom-parse.h"
+#include "mei/iwl-mei.h"
 
 /**
  * enum iwl_nvm_sbands_flags - modification flags for the channel profiles
@@ -81,4 +82,12 @@ void iwl_nvm_fixups(u32 hw_id, unsigned int section, u8 *data,
 struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
 				 const struct iwl_fw *fw);
 
+/**
+ * iwl_parse_mei_nvm_data - parse the mei_nvm_data and get an iwl_nvm_data
+ */
+struct iwl_nvm_data *
+iwl_parse_mei_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
+		       const struct iwl_mei_nvm *mei_nvm,
+		       const struct iwl_fw *fw);
+
 #endif /* __iwl_nvm_parse_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
index 4ebb1871bd1f..a4060af50201 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
@@ -924,6 +924,7 @@ struct iwl_trans_txqs {
 /**
  * struct iwl_trans - transport common data
  *
+ * @csme_own - true if we couldn't get ownership on the device
  * @ops - pointer to iwl_trans_ops
  * @op_mode - pointer to the op_mode
  * @trans_cfg: the trans-specific configuration part
@@ -958,6 +959,7 @@ struct iwl_trans_txqs {
  * @iwl_trans_txqs: transport tx queues data.
  */
 struct iwl_trans {
+	bool csme_own;
 	const struct iwl_trans_ops *ops;
 	struct iwl_op_mode *op_mode;
 	const struct iwl_cfg_trans_params *trans_cfg;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 863fec150e53..6ce78c03e51f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -757,6 +757,8 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
 	if (ret)
 		return ret;
 
+	iwl_mei_set_power_limit(per_chain);
+
 	IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
 	return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
 }
@@ -1401,7 +1403,6 @@ static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
 	if (iwl_mvm_has_unified_ucode(mvm))
 		return iwl_run_unified_mvm_ucode(mvm);
 
-	WARN_ON(!mvm->nvm_data);
 	ret = iwl_run_init_mvm_ucode(mvm);
 
 	if (ret) {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 9fb9c7dad314..c96a0ece8066 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
- * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2021 Intel Corporation
  * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
  * Copyright (C) 2016-2017 Intel Deutschland GmbH
  */
@@ -190,6 +190,7 @@ struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
 	if (IS_ERR_OR_NULL(resp)) {
 		IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n",
 			      PTR_ERR_OR_ZERO(resp));
+		resp = NULL;
 		goto out;
 	}
 
@@ -211,7 +212,6 @@ struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
 				      __le16_to_cpu(resp->cap), resp_ver);
 	/* Store the return source id */
 	src_id = resp->source_id;
-	kfree(resp);
 	if (IS_ERR_OR_NULL(regd)) {
 		IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n",
 			      PTR_ERR_OR_ZERO(regd));
@@ -223,7 +223,10 @@ struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
 	mvm->lar_regdom_set = true;
 	mvm->mcc_src = src_id;
 
+	iwl_mei_set_country_code(__le16_to_cpu(resp->mcc));
+
 out:
+	kfree(resp);
 	return regd;
 }
 
@@ -1083,6 +1086,27 @@ int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
 
 	lockdep_assert_held(&mvm->mutex);
 
+	ret = iwl_mvm_mei_get_ownership(mvm);
+	if (ret)
+		return ret;
+
+	if (mvm->mei_nvm_data) {
+		/* We got the NIC, we can now free the MEI NVM data */
+		kfree(mvm->mei_nvm_data);
+		mvm->mei_nvm_data = NULL;
+
+		/*
+		 * We can't free the nvm_data we allocated based on the SAP
+		 * data because we registered to cfg80211 with the channels
+		 * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data
+		 * just in order to be able free it later.
+		 * NULLify nvm_data so that we will read the NVM from the
+		 * firmware this time.
+		 */
+		mvm->temp_nvm_data = mvm->nvm_data;
+		mvm->nvm_data = NULL;
+	}
+
 	if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) {
 		/*
 		 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART
@@ -1509,6 +1533,15 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
 		mvm->monitor_on = true;
 
 	iwl_mvm_vif_dbgfs_register(mvm, vif);
+
+	if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
+	    vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
+	    !mvm->csme_vif && mvm->mei_registered) {
+		iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr);
+		iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev);
+		mvm->csme_vif = vif;
+	}
+
 	goto out_unlock;
 
  out_unbind:
@@ -1561,6 +1594,11 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
 
 	mutex_lock(&mvm->mutex);
 
+	if (vif == mvm->csme_vif) {
+		iwl_mei_set_netdev(NULL);
+		mvm->csme_vif = NULL;
+	}
+
 	probe_data = rcu_dereference_protected(mvmvif->probe_resp_data,
 					       lockdep_is_held(&mvm->mutex));
 	RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL);
@@ -2371,6 +2409,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
 						    IEEE80211_SMPS_DYNAMIC);
 			}
 		} else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) {
+			iwl_mvm_mei_host_disassociated(mvm);
 			/*
 			 * If update fails - SF might be running in associated
 			 * mode while disassociated - which is forbidden.
@@ -3107,6 +3146,69 @@ static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm,
 	}
 }
 
+static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm,
+					struct ieee80211_vif *vif,
+					struct iwl_mvm_sta *mvm_sta)
+{
+#if IS_ENABLED(CONFIG_IWLMEI)
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct iwl_mei_conn_info conn_info = {
+		.ssid_len = vif->bss_conf.ssid_len,
+		.channel = vif->bss_conf.chandef.chan->hw_value,
+	};
+
+	if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
+		return;
+
+	if (!mvm->mei_registered)
+		return;
+
+	switch (mvm_sta->pairwise_cipher) {
+	case WLAN_CIPHER_SUITE_CCMP:
+		conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP;
+		break;
+	case WLAN_CIPHER_SUITE_GCMP:
+		conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP;
+		break;
+	case WLAN_CIPHER_SUITE_GCMP_256:
+		conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256;
+		break;
+	case 0:
+		/* open profile */
+		break;
+	default:
+		/* cipher not supported, don't send anything to iwlmei */
+		return;
+	}
+
+	switch (mvmvif->rekey_data.akm) {
+	case WLAN_AKM_SUITE_SAE & 0xff:
+		conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE;
+		break;
+	case WLAN_AKM_SUITE_PSK & 0xff:
+		conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK;
+		break;
+	case WLAN_AKM_SUITE_8021X & 0xff:
+		conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA;
+		break;
+	case 0:
+		/* open profile */
+		conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN;
+		break;
+	default:
+		/* auth method / AKM not supported */
+		/* TODO: All the FT vesions of these? */
+		return;
+	}
+
+	memcpy(conn_info.ssid, vif->bss_conf.ssid, vif->bss_conf.ssid_len);
+	memcpy(conn_info.bssid,  vif->bss_conf.bssid, ETH_ALEN);
+
+	/* TODO: add support for collocated AP data */
+	iwl_mei_host_associated(&conn_info, NULL);
+#endif
+}
+
 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
 				 struct ieee80211_vif *vif,
 				 struct ieee80211_sta *sta,
@@ -3251,6 +3353,7 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
 			 * multicast data frames can be forwarded to the driver
 			 */
 			iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
+			iwl_mvm_mei_host_associated(mvm, vif, mvm_sta);
 		}
 
 		iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
@@ -3460,6 +3563,8 @@ static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
 	int ret, i;
 	u8 key_offset;
 
+	mvmsta = iwl_mvm_sta_from_mac80211(sta);
+
 	switch (key->cipher) {
 	case WLAN_CIPHER_SUITE_TKIP:
 		if (!mvm->trans->trans_cfg->gen2) {
@@ -3568,7 +3673,6 @@ static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
 			struct ieee80211_key_seq seq;
 			int tid, q;
 
-			mvmsta = iwl_mvm_sta_from_mac80211(sta);
 			WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx]));
 			ptk_pn = kzalloc(struct_size(ptk_pn, q,
 						     mvm->trans->num_rx_queues),
@@ -3595,6 +3699,9 @@ static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
 		else
 			key_offset = STA_KEY_IDX_INVALID;
 
+		if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
+			mvmsta->pairwise_cipher = key->cipher;
+
 		IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
 		ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset);
 		if (ret) {
@@ -3640,7 +3747,6 @@ static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
 		    (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
 		     key->cipher == WLAN_CIPHER_SUITE_GCMP ||
 		     key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) {
-			mvmsta = iwl_mvm_sta_from_mac80211(sta);
 			ptk_pn = rcu_dereference_protected(
 						mvmsta->ptk_pn[keyidx],
 						lockdep_is_held(&mvm->mutex));
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 2b1dcd60e00f..515591b29b0c 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -30,6 +30,7 @@
 #include "fw/runtime.h"
 #include "fw/dbg.h"
 #include "fw/acpi.h"
+#include "mei/iwl-mei.h"
 #include "iwl-nvm-parse.h"
 
 #include <linux/average.h>
@@ -830,6 +831,18 @@ struct iwl_mvm {
 
 	const char *nvm_file_name;
 	struct iwl_nvm_data *nvm_data;
+	struct iwl_mei_nvm *mei_nvm_data;
+	struct iwl_mvm_csme_conn_info __rcu *csme_conn_info;
+	bool mei_rfkill_blocked;
+	bool mei_registered;
+	struct work_struct sap_connected_wk;
+
+	/*
+	 * NVM built based on the SAP data but that we can't free even after
+	 * we get ownership because it contains the cfg80211's channel.
+	 */
+	struct iwl_nvm_data *temp_nvm_data;
+
 	/* NVM sections */
 	struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 
@@ -1021,6 +1034,8 @@ struct iwl_mvm {
 	/* Indicate if 32Khz external clock is valid */
 	u32 ext_clock_valid;
 
+	/* This vif used by CSME to send / receive traffic */
+	struct ieee80211_vif *csme_vif;
 	struct ieee80211_vif __rcu *csa_vif;
 	struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 	u8 csa_tx_block_bcn_timeout;
@@ -1136,6 +1151,11 @@ enum iwl_mvm_status {
 	IWL_MVM_STATUS_IN_D3,
 };
 
+struct iwl_mvm_csme_conn_info {
+	struct rcu_head rcu_head;
+	struct iwl_mei_conn_info conn_info;
+};
+
 /* Keep track of completed init configuration */
 enum iwl_mvm_init_status {
 	IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE = BIT(0),
@@ -2158,4 +2178,46 @@ enum iwl_location_cipher iwl_mvm_cipher_to_location_cipher(u32 cipher)
 		return IWL_LOCATION_CIPHER_INVALID;
 	}
 }
+
+struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm);
+static inline int iwl_mvm_mei_get_ownership(struct iwl_mvm *mvm)
+{
+	if (mvm->mei_registered)
+		return iwl_mei_get_ownership();
+	return 0;
+}
+
+static inline void iwl_mvm_mei_tx_copy_to_csme(struct iwl_mvm *mvm,
+					       struct sk_buff *skb,
+					       unsigned int ivlen)
+{
+	if (mvm->mei_registered)
+		iwl_mei_tx_copy_to_csme(skb, ivlen);
+}
+
+static inline void iwl_mvm_mei_host_disassociated(struct iwl_mvm *mvm)
+{
+	if (mvm->mei_registered)
+		iwl_mei_host_disassociated();
+}
+
+static inline void iwl_mvm_mei_device_down(struct iwl_mvm *mvm)
+{
+	if (mvm->mei_registered)
+		iwl_mei_device_down();
+}
+
+static inline void iwl_mvm_mei_set_sw_rfkill_state(struct iwl_mvm *mvm, bool sw_rfkill)
+{
+	if (mvm->mei_registered)
+		iwl_mei_set_rfkill_state(iwl_mvm_is_radio_killed(mvm), sw_rfkill);
+}
+
+static inline void iwl_mvm_send_roaming_forbidden_event(struct iwl_mvm *mvm,
+							struct ieee80211_vif *vif,
+							bool forbidden)
+{
+	/* TODO */
+}
+
 #endif /* __IWL_MVM_H__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 232ad531d612..82fea029d4d0 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -683,13 +683,42 @@ static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
 
 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
 {
+	struct iwl_trans *trans = mvm->trans;
 	int ret;
 
+	if (trans->csme_own) {
+		if (WARN(!mvm->mei_registered,
+			 "csme is owner, but we aren't registered to iwlmei\n"))
+			goto get_nvm_from_fw;
+
+		mvm->mei_nvm_data = iwl_mei_get_nvm();
+		if (mvm->mei_nvm_data) {
+			/*
+			 * mvm->mei_nvm_data is set and because of that,
+			 * we'll load the NVM from the FW when we'll get
+			 * ownership.
+			 */
+			mvm->nvm_data =
+				iwl_parse_mei_nvm_data(trans, trans->cfg,
+						       mvm->mei_nvm_data, mvm->fw);
+			return 0;
+		}
+
+		IWL_ERR(mvm,
+			"Got a NULL NVM from CSME, trying to get it from the device\n");
+	}
+
+get_nvm_from_fw:
 	rtnl_lock();
 	mutex_lock(&mvm->mutex);
 
-	ret = iwl_run_init_mvm_ucode(mvm);
+	ret = iwl_trans_start_hw(mvm->trans);
+	if (ret) {
+		mutex_unlock(&mvm->mutex);
+		return ret;
+	}
 
+	ret = iwl_run_init_mvm_ucode(mvm);
 	if (ret && ret != -ERFKILL)
 		iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
 	if (!ret && iwl_mvm_is_lar_supported(mvm)) {
@@ -703,7 +732,7 @@ static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
 	mutex_unlock(&mvm->mutex);
 	rtnl_unlock();
 
-	if (ret < 0)
+	if (ret)
 		IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
 
 	return ret;
@@ -711,6 +740,7 @@ static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
 
 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm)
 {
+	struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
 	int ret;
 
 	iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
@@ -718,10 +748,14 @@ static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm)
 	ret = iwl_mvm_mac_setup_register(mvm);
 	if (ret)
 		return ret;
+
 	mvm->hw_registered = true;
 
 	iwl_mvm_dbgfs_register(mvm);
 
+	wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
+					 mvm->mei_rfkill_blocked,
+					 RFKILL_HARD_BLOCK_NOT_OWNER);
 	return 0;
 }
 
@@ -902,6 +936,109 @@ static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = {
 	.frob_mem = iwl_mvm_frob_mem,
 };
 
+static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info)
+{
+	struct iwl_mvm *mvm = priv;
+	struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info;
+
+	/*
+	 * This is protected by the guarantee that this function will not be
+	 * called twice on two different threads
+	 */
+	prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true);
+
+	curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL);
+	if (!curr_conn_info)
+		return;
+
+	curr_conn_info->conn_info = *conn_info;
+
+	rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info);
+
+	if (prev_conn_info)
+		kfree_rcu(prev_conn_info, rcu_head);
+}
+
+static void iwl_mvm_mei_rfkill(void *priv, bool blocked)
+{
+	struct iwl_mvm *mvm = priv;
+
+	mvm->mei_rfkill_blocked = blocked;
+	if (!mvm->hw_registered)
+		return;
+
+	wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy,
+					 mvm->mei_rfkill_blocked,
+					 RFKILL_HARD_BLOCK_NOT_OWNER);
+}
+
+static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden)
+{
+	struct iwl_mvm *mvm = priv;
+
+	if (!mvm->hw_registered || !mvm->csme_vif)
+		return;
+
+	iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden);
+}
+
+static void iwl_mvm_sap_connected_wk(struct work_struct *wk)
+{
+	struct iwl_mvm *mvm =
+		container_of(wk, struct iwl_mvm, sap_connected_wk);
+	int ret;
+
+	ret = iwl_mvm_start_get_nvm(mvm);
+	if (ret)
+		goto out_free;
+
+	ret = iwl_mvm_start_post_nvm(mvm);
+	if (ret)
+		goto out_free;
+
+	return;
+
+out_free:
+	IWL_ERR(mvm, "Couldn't get started...\n");
+	iwl_mei_start_unregister();
+	iwl_mei_unregister_complete();
+	iwl_fw_flush_dumps(&mvm->fwrt);
+	iwl_mvm_thermal_exit(mvm);
+	iwl_fw_runtime_free(&mvm->fwrt);
+	iwl_phy_db_free(mvm->phy_db);
+	kfree(mvm->scan_cmd);
+	iwl_trans_op_mode_leave(mvm->trans);
+	kfree(mvm->nvm_data);
+	kfree(mvm->mei_nvm_data);
+
+	ieee80211_free_hw(mvm->hw);
+}
+
+static void iwl_mvm_mei_sap_connected(void *priv)
+{
+	struct iwl_mvm *mvm = priv;
+
+	if (!mvm->hw_registered)
+		schedule_work(&mvm->sap_connected_wk);
+}
+
+static void iwl_mvm_mei_nic_stolen(void *priv)
+{
+	struct iwl_mvm *mvm = priv;
+
+	rtnl_lock();
+	cfg80211_shutdown_all_interfaces(mvm->hw->wiphy);
+	rtnl_unlock();
+}
+
+static const struct iwl_mei_ops mei_ops = {
+	.me_conn_status = iwl_mvm_me_conn_status,
+	.rfkill = iwl_mvm_mei_rfkill,
+	.roaming_forbidden = iwl_mvm_mei_roaming_forbidden,
+	.sap_connected = iwl_mvm_mei_sap_connected,
+	.nic_stolen = iwl_mvm_mei_nic_stolen,
+};
+
 static struct iwl_op_mode *
 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 		      const struct iwl_fw *fw, struct dentry *dbgfs_dir)
@@ -913,9 +1050,10 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 	static const u8 no_reclaim_cmds[] = {
 		TX_CMD,
 	};
-	int err, scan_size;
+	int scan_size;
 	u32 min_backoff;
 	enum iwl_amsdu_size rb_size_default;
+	struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused;
 
 	/*
 	 * We use IWL_MVM_STATION_COUNT_MAX to check the validity of the station
@@ -1015,6 +1153,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 
 	INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
 	INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
+	INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk);
 	INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
 	INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
 	INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
@@ -1137,10 +1276,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 		IWL_DEBUG_EEPROM(mvm->trans->dev,
 				 "working without external nvm file\n");
 
-	err = iwl_trans_start_hw(mvm->trans);
-	if (err)
-		goto out_free;
-
 	scan_size = iwl_mvm_scan_size(mvm);
 
 	mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
@@ -1165,8 +1300,14 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 
 	mvm->debugfs_dir = dbgfs_dir;
 
-	if (iwl_mvm_start_get_nvm(mvm))
-		goto out_thermal_exit;
+	mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops);
+
+	/*
+	 * Get NVM failed, but we are registered to MEI, we'll get
+	 * the NVM later when it'll be possible to get it from CSME.
+	 */
+	if (iwl_mvm_start_get_nvm(mvm) && mvm->mei_registered)
+		return op_mode;
 
 	if (iwl_mvm_start_post_nvm(mvm))
 		goto out_thermal_exit;
@@ -1175,6 +1316,10 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 
  out_thermal_exit:
 	iwl_mvm_thermal_exit(mvm);
+	if (mvm->mei_registered) {
+		iwl_mei_start_unregister();
+		iwl_mei_unregister_complete();
+	}
  out_free:
 	iwl_fw_flush_dumps(&mvm->fwrt);
 	iwl_fw_runtime_free(&mvm->fwrt);
@@ -1201,6 +1346,7 @@ void iwl_mvm_stop_device(struct iwl_mvm *mvm)
 	iwl_trans_stop_device(mvm->trans);
 	iwl_free_fw_paging(&mvm->fwrt);
 	iwl_fw_dump_conf_clear(&mvm->fwrt);
+	iwl_mvm_mei_device_down(mvm);
 }
 
 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
@@ -1208,11 +1354,33 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
 	int i;
 
+	if (mvm->mei_registered) {
+		rtnl_lock();
+		iwl_mei_set_netdev(NULL);
+		rtnl_unlock();
+		iwl_mei_start_unregister();
+	}
+
+	/*
+	 * After we unregister from mei, the worker can't be scheduled
+	 * anymore.
+	 */
+	cancel_work_sync(&mvm->sap_connected_wk);
+
 	iwl_mvm_leds_exit(mvm);
 
 	iwl_mvm_thermal_exit(mvm);
 
-	ieee80211_unregister_hw(mvm->hw);
+	/*
+	 * If we couldn't get ownership on the device and we couldn't
+	 * get the NVM from CSME, we haven't registered to mac80211.
+	 * In that case, we didn't fail op_mode_start, because we are
+	 * waiting for CSME to allow us to get the NVM to register to
+	 * mac80211. If that didn't happen, we haven't registered to
+	 * mac80211, hence the if below.
+	 */
+	if (mvm->hw_registered)
+		ieee80211_unregister_hw(mvm->hw);
 
 	kfree(mvm->scan_cmd);
 	kfree(mvm->mcast_filter_cmd);
@@ -1227,6 +1395,9 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
 	mvm->phy_db = NULL;
 
 	kfree(mvm->nvm_data);
+	kfree(mvm->mei_nvm_data);
+	kfree(rcu_access_pointer(mvm->csme_conn_info));
+	kfree(mvm->temp_nvm_data);
 	for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
 		kfree(mvm->nvm_sections[i].data);
 
@@ -1235,6 +1406,9 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
 	iwl_fw_runtime_free(&mvm->fwrt);
 	mutex_destroy(&mvm->mutex);
 
+	if (mvm->mei_registered)
+		iwl_mei_unregister_complete();
+
 	ieee80211_free_hw(mvm->hw);
 }
 
@@ -1517,6 +1691,12 @@ void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
 	iwl_mvm_set_rfkill_state(mvm);
 }
 
+struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm)
+{
+	return rcu_dereference_protected(mvm->csme_conn_info,
+					 lockdep_is_held(&mvm->mutex));
+}
+
 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);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
index 32b4d1935788..e34b82b2a288 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
- * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2021 Intel Corporation
  * Copyright (C) 2013-2014 Intel Mobile Communications GmbH
  * Copyright (C) 2015-2016 Intel Deutschland GmbH
  */
@@ -373,6 +373,7 @@ struct iwl_mvm_rxq_dup_data {
  * @tx_ant: the index of the antenna to use for data tx to this station. Only
  *	used during connection establishment (e.g. for the 4 way handshake
  *	exchange).
+ * @pairwise_cipher: used to feed iwlmei upon authorization
  *
  * When mac80211 creates a station it reserves some space (hw->sta_data_size)
  * in the structure for use by driver. This structure is placed in that
@@ -415,6 +416,7 @@ struct iwl_mvm_sta {
 	u8 sleep_tx_count;
 	u8 avg_energy;
 	u8 tx_ant;
+	u32 pairwise_cipher;
 };
 
 u16 iwl_mvm_tid_queued(struct iwl_mvm *mvm, struct iwl_mvm_tid_data *tid_data);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index bdd4ee432548..1883d98abb2f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
- * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2021 Intel Corporation
  * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
  * Copyright (C) 2016-2017 Intel Deutschland GmbH
  */
@@ -1128,6 +1128,11 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb,
 	/* From now on, we cannot access info->control */
 	iwl_mvm_skb_prepare_status(skb, dev_cmd);
 
+	if (ieee80211_is_data(fc))
+		iwl_mvm_mei_tx_copy_to_csme(mvm, skb,
+					    info->control.hw_key ?
+					    info->control.hw_key->iv_len : 0);
+
 	if (iwl_trans_tx(mvm->trans, skb, dev_cmd, txq_id))
 		goto drop_unlock_sta;
 
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index c574f041f096..5c56da36fc84 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -1422,15 +1422,18 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	 * first trying to load the firmware etc. and potentially only
 	 * detecting any problems when the first interface is brought up.
 	 */
-	ret = iwl_finish_nic_init(iwl_trans);
-	if (ret)
-		goto out_free_trans;
-	if (iwl_trans_grab_nic_access(iwl_trans)) {
-		/* all good */
-		iwl_trans_release_nic_access(iwl_trans);
-	} else {
-		ret = -EIO;
-		goto out_free_trans;
+	ret = iwl_pcie_prepare_card_hw(iwl_trans);
+	if (!ret) {
+		ret = iwl_finish_nic_init(iwl_trans);
+		if (ret)
+			goto out_free_trans;
+		if (iwl_trans_grab_nic_access(iwl_trans)) {
+			/* all good */
+			iwl_trans_release_nic_access(iwl_trans);
+		} else {
+			ret = -EIO;
+			goto out_free_trans;
+		}
 	}
 
 	iwl_trans->hw_rf_id = iwl_read32(iwl_trans, CSR_HW_RF_ID);
@@ -1563,6 +1566,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto out_free_trans;
 
 	pci_set_drvdata(pdev, iwl_trans);
+
+	/* try to get ownership so that we'll know if we don't own it */
+	iwl_pcie_prepare_card_hw(iwl_trans);
+
 	iwl_trans->drv = iwl_drv_start(iwl_trans);
 
 	if (IS_ERR(iwl_trans->drv)) {
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index 1efb53f78a62..07a4b06066db 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -24,6 +24,7 @@
 #include "fw/error-dump.h"
 #include "fw/dbg.h"
 #include "fw/api/tx.h"
+#include "mei/iwl-mei.h"
 #include "internal.h"
 #include "iwl-fh.h"
 #include "iwl-context-info-gen3.h"
@@ -594,8 +595,10 @@ int iwl_pcie_prepare_card_hw(struct iwl_trans *trans)
 
 	ret = iwl_pcie_set_hw_ready(trans);
 	/* If the card is ready, exit 0 */
-	if (ret >= 0)
+	if (ret >= 0) {
+		trans->csme_own = false;
 		return 0;
+	}
 
 	iwl_set_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG,
 		    CSR_RESET_LINK_PWR_MGMT_DISABLED);
@@ -608,8 +611,17 @@ int iwl_pcie_prepare_card_hw(struct iwl_trans *trans)
 
 		do {
 			ret = iwl_pcie_set_hw_ready(trans);
-			if (ret >= 0)
+			if (ret >= 0) {
+				trans->csme_own = false;
 				return 0;
+			}
+
+			if (iwl_mei_is_connected()) {
+				IWL_WARN(trans,
+					 "Couldn't prepare the card but SAP is connected\n");
+				trans->csme_own = true;
+				return -EBUSY;
+			}
 
 			usleep_range(200, 1000);
 			t += 200;
