示例#1
0
文件: coex.c 项目: Lyude/linux
static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id,
				       bool enable)
{
	struct iwl_bt_coex_reduced_txp_update_cmd cmd = {};
	struct iwl_mvm_sta *mvmsta;
	u32 value;
	int ret;

	mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
	if (!mvmsta)
		return 0;

	/* nothing to do */
	if (mvmsta->bt_reduced_txpower == enable)
		return 0;

	value = mvmsta->sta_id;

	if (enable)
		value |= BT_REDUCED_TX_POWER_BIT;

	IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n",
		       enable ? "en" : "dis", sta_id);

	cmd.reduced_txp = cpu_to_le32(value);
	mvmsta->bt_reduced_txpower = enable;

	ret = iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_REDUCED_TXP, CMD_ASYNC,
				   sizeof(cmd), &cmd);

	return ret;
}
示例#2
0
static void iwl_rx_reply_tx_agg(struct iwl_priv *priv,
				struct iwlagn_tx_resp *tx_resp)
{
	struct agg_tx_status *frame_status = &tx_resp->status;
	int tid = (tx_resp->ra_tid & IWLAGN_TX_RES_TID_MSK) >>
		IWLAGN_TX_RES_TID_POS;
	int sta_id = (tx_resp->ra_tid & IWLAGN_TX_RES_RA_MSK) >>
		IWLAGN_TX_RES_RA_POS;
	struct iwl_ht_agg *agg = &priv->shrd->tid_data[sta_id][tid].agg;
	u32 status = le16_to_cpu(tx_resp->status.status);
	int i;

	if (agg->wait_for_ba)
		IWL_DEBUG_TX_REPLY(priv,
			"got tx response w/o block-ack\n");

	agg->rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
	agg->wait_for_ba = (tx_resp->frame_count > 1);

	/*
	 * If the BT kill count is non-zero, we'll get this
	 * notification again.
	 */
	if (tx_resp->bt_kill_count && tx_resp->frame_count == 1 &&
	    priv->cfg->bt_params &&
	    priv->cfg->bt_params->advanced_bt_coexist) {
		IWL_DEBUG_COEX(priv, "receive reply tx w/ bt_kill\n");
	}

	if (tx_resp->frame_count == 1)
		return;

	/* Construct bit-map of pending frames within Tx window */
	for (i = 0; i < tx_resp->frame_count; i++) {
		u16 fstatus = le16_to_cpu(frame_status[i].status);

		if (status & AGG_TX_STATUS_MSK)
			iwlagn_count_agg_tx_err_status(priv, fstatus);

		if (status & (AGG_TX_STATE_FEW_BYTES_MSK |
			      AGG_TX_STATE_ABORT_MSK))
			continue;

		IWL_DEBUG_TX_REPLY(priv, "status %s (0x%08x), "
				   "try-count (0x%08x)\n",
				   iwl_get_agg_tx_fail_reason(fstatus),
				   fstatus & AGG_TX_STATUS_MSK,
				   fstatus & AGG_TX_TRY_MSK);
	}
}
示例#3
0
static int rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv,
				      struct iwl_lq_sta *lq_data, u8 tid,
				      struct ieee80211_sta *sta)
{
	int ret = -EAGAIN;
	u32 load;

	/*
	 * Don't create TX aggregation sessions when in high
	 * BT traffic, as they would just be disrupted by BT.
	 */
	if (priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH) {
		IWL_DEBUG_COEX(priv,
			       "BT traffic (%d), no aggregation allowed\n",
			       priv->bt_traffic_load);
		return ret;
	}

	load = rs_tl_get_load(lq_data, tid);

	if ((iwlwifi_mod_params.auto_agg) || (load > IWL_AGG_LOAD_THRESHOLD)) {
		IWL_DEBUG_HT(priv, "Starting Tx agg: STA: %pM tid: %d\n",
				sta->addr, tid);
		ret = ieee80211_start_tx_ba_session(sta, tid, 5000);
		if (ret == -EAGAIN) {
			/*
			 * driver and mac80211 is out of sync
			 * this might be cause by reloading firmware
			 * stop the tx ba session here
			 */
			IWL_ERR(priv, "Fail start Tx agg on tid: %d\n",
				tid);
			ieee80211_stop_tx_ba_session(sta, tid);
		}
	} else {
		IWL_DEBUG_HT(priv, "Aggregation not enabled for tid %d "
			"because load = %u\n", tid, load);
	}
	return ret;
}
示例#4
0
static void iwlagn_bt_traffic_change_work(struct work_struct *work)
{
	struct iwl_priv *priv =
		container_of(work, struct iwl_priv, bt_traffic_change_work);
	struct iwl_rxon_context *ctx;
	int smps_request = -1;

	if (priv->bt_enable_flag == IWLAGN_BT_FLAG_COEX_MODE_DISABLED) {
		/* bt coex disabled */
		return;
	}

	/*
	 * Note: bt_traffic_load can be overridden by scan complete and
	 * coex profile notifications. Ignore that since only bad consequence
	 * can be not matching debug print with actual state.
	 */
	IWL_DEBUG_COEX(priv, "BT traffic load changes: %d\n",
		       priv->bt_traffic_load);

	switch (priv->bt_traffic_load) {
	case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
		if (priv->bt_status)
			smps_request = IEEE80211_SMPS_DYNAMIC;
		else
			smps_request = IEEE80211_SMPS_AUTOMATIC;
		break;
	case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
		smps_request = IEEE80211_SMPS_DYNAMIC;
		break;
	case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
	case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
		smps_request = IEEE80211_SMPS_STATIC;
		break;
	default:
		IWL_ERR(priv, "Invalid BT traffic load: %d\n",
			priv->bt_traffic_load);
		break;
	}

	mutex_lock(&priv->mutex);

	/*
	 * We can not send command to firmware while scanning. When the scan
	 * complete we will schedule this work again. We do check with mutex
	 * locked to prevent new scan request to arrive. We do not check
	 * STATUS_SCANNING to avoid race when queue_work two times from
	 * different notifications, but quit and not perform any work at all.
	 */
	if (test_bit(STATUS_SCAN_HW, &priv->status))
		goto out;

	iwl_update_chain_flags(priv);

	if (smps_request != -1) {
		priv->current_ht_config.smps = smps_request;
		for_each_context(priv, ctx) {
			if (ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION)
				ieee80211_request_smps(ctx->vif, smps_request);
		}
	}
示例#5
0
void iwlagn_send_advance_bt_config(struct iwl_priv *priv)
{
	struct iwl_basic_bt_cmd basic = {
		.max_kill = IWLAGN_BT_MAX_KILL_DEFAULT,
		.bt3_timer_t7_value = IWLAGN_BT3_T7_DEFAULT,
		.bt3_prio_sample_time = IWLAGN_BT3_PRIO_SAMPLE_DEFAULT,
		.bt3_timer_t2_value = IWLAGN_BT3_T2_DEFAULT,
	};
	struct iwl_bt_cmd_v1 bt_cmd_v1;
	struct iwl_bt_cmd_v2 bt_cmd_v2;
	int ret;

	BUILD_BUG_ON(sizeof(iwlagn_def_3w_lookup) !=
			sizeof(basic.bt3_lookup_table));

	if (priv->lib->bt_params) {
		/*
		 * newer generation of devices (2000 series and newer)
		 * use the version 2 of the bt command
		 * we need to make sure sending the host command
		 * with correct data structure to avoid uCode assert
		 */
		if (priv->lib->bt_params->bt_session_2) {
			bt_cmd_v2.prio_boost = cpu_to_le32(
				priv->lib->bt_params->bt_prio_boost);
			bt_cmd_v2.tx_prio_boost = 0;
			bt_cmd_v2.rx_prio_boost = 0;
		} else {
			/* older version only has 8 bits */
			WARN_ON(priv->lib->bt_params->bt_prio_boost & ~0xFF);
			bt_cmd_v1.prio_boost =
				priv->lib->bt_params->bt_prio_boost;
			bt_cmd_v1.tx_prio_boost = 0;
			bt_cmd_v1.rx_prio_boost = 0;
		}
	} else {
		IWL_ERR(priv, "failed to construct BT Coex Config\n");
		return;
	}

	/*
	 * Possible situations when BT needs to take over for receive,
	 * at the same time where STA needs to response to AP's frame(s),
	 * reduce the tx power of the required response frames, by that,
	 * allow the concurrent BT receive & WiFi transmit
	 * (BT - ANT A, WiFi -ANT B), without interference to one another
	 *
	 * Reduced tx power apply to control frames only (ACK/Back/CTS)
	 * when indicated by the BT config command
	 */
	basic.kill_ack_mask = priv->kill_ack_mask;
	basic.kill_cts_mask = priv->kill_cts_mask;
	if (priv->reduced_txpower)
		basic.reduce_txpower = IWLAGN_BT_REDUCED_TX_PWR;
	basic.valid = priv->bt_valid;

	/*
	 * Configure BT coex mode to "no coexistence" when the
	 * user disabled BT coexistence, we have no interface
	 * (might be in monitor mode), or the interface is in
	 * IBSS mode (no proper uCode support for coex then).
	 */
	if (!iwlwifi_mod_params.bt_coex_active ||
	    priv->iw_mode == NL80211_IFTYPE_ADHOC) {
		basic.flags = IWLAGN_BT_FLAG_COEX_MODE_DISABLED;
	} else {
		basic.flags = IWLAGN_BT_FLAG_COEX_MODE_3W <<
					IWLAGN_BT_FLAG_COEX_MODE_SHIFT;

		if (!priv->bt_enable_pspoll)
			basic.flags |= IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE;
		else
			basic.flags &= ~IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE;

		if (priv->bt_ch_announce)
			basic.flags |= IWLAGN_BT_FLAG_CHANNEL_INHIBITION;
		IWL_DEBUG_COEX(priv, "BT coex flag: 0X%x\n", basic.flags);
	}
	priv->bt_enable_flag = basic.flags;
	if (priv->bt_full_concurrent)
		memcpy(basic.bt3_lookup_table, iwlagn_concurrent_lookup,
			sizeof(iwlagn_concurrent_lookup));
	else
		memcpy(basic.bt3_lookup_table, iwlagn_def_3w_lookup,
			sizeof(iwlagn_def_3w_lookup));

	IWL_DEBUG_COEX(priv, "BT coex %s in %s mode\n",
		       basic.flags ? "active" : "disabled",
		       priv->bt_full_concurrent ?
		       "full concurrency" : "3-wire");

	if (priv->lib->bt_params->bt_session_2) {
		memcpy(&bt_cmd_v2.basic, &basic,
			sizeof(basic));
		ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG,
			0, sizeof(bt_cmd_v2), &bt_cmd_v2);
	} else {
		memcpy(&bt_cmd_v1.basic, &basic,
			sizeof(basic));
		ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG,
			0, sizeof(bt_cmd_v1), &bt_cmd_v1);
	}
	if (ret)
		IWL_ERR(priv, "failed to send BT Coex Config\n");

}
示例#6
0
文件: coex.c 项目: Lyude/linux
static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
{
	struct iwl_bt_iterator_data data = {
		.mvm = mvm,
		.notif = &mvm->last_bt_notif,
	};
	struct iwl_bt_coex_ci_cmd cmd = {};
	u8 ci_bw_idx;

	/* Ignore updates if we are in force mode */
	if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
		return;

	rcu_read_lock();
	ieee80211_iterate_active_interfaces_atomic(
					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
					iwl_mvm_bt_notif_iterator, &data);

	iwl_mvm_bt_coex_tcm_based_ci(mvm, &data);

	if (data.primary) {
		struct ieee80211_chanctx_conf *chan = data.primary;
		if (WARN_ON(!chan->def.chan)) {
			rcu_read_unlock();
			return;
		}

		if (chan->def.width < NL80211_CHAN_WIDTH_40) {
			ci_bw_idx = 0;
		} else {
			if (chan->def.center_freq1 >
			    chan->def.chan->center_freq)
				ci_bw_idx = 2;
			else
				ci_bw_idx = 1;
		}

		cmd.bt_primary_ci =
			iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
		cmd.primary_ch_phy_id =
			cpu_to_le32(*((u16 *)data.primary->drv_priv));
	}

	if (data.secondary) {
		struct ieee80211_chanctx_conf *chan = data.secondary;
		if (WARN_ON(!data.secondary->def.chan)) {
			rcu_read_unlock();
			return;
		}

		if (chan->def.width < NL80211_CHAN_WIDTH_40) {
			ci_bw_idx = 0;
		} else {
			if (chan->def.center_freq1 >
			    chan->def.chan->center_freq)
				ci_bw_idx = 2;
			else
				ci_bw_idx = 1;
		}

		cmd.bt_secondary_ci =
			iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
		cmd.secondary_ch_phy_id =
			cpu_to_le32(*((u16 *)data.secondary->drv_priv));
	}

	rcu_read_unlock();

	/* Don't spam the fw with the same command over and over */
	if (memcmp(&cmd, &mvm->last_bt_ci_cmd, sizeof(cmd))) {
		if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0,
					 sizeof(cmd), &cmd))
			IWL_ERR(mvm, "Failed to send BT_CI cmd\n");
		memcpy(&mvm->last_bt_ci_cmd, &cmd, sizeof(cmd));
	}
}

void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
			      struct iwl_rx_cmd_buffer *rxb)
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data;

	IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
	IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
	IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
		       le32_to_cpu(notif->primary_ch_lut));
	IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
		       le32_to_cpu(notif->secondary_ch_lut));
	IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
		       le32_to_cpu(notif->bt_activity_grading));

	/* remember this notification for future use: rssi fluctuations */
	memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));

	iwl_mvm_bt_coex_notif_handle(mvm);
}

void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
			   enum ieee80211_rssi_event_data rssi_event)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	int ret;

	lockdep_assert_held(&mvm->mutex);

	/* Ignore updates if we are in force mode */
	if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
		return;

	/*
	 * Rssi update while not associated - can happen since the statistics
	 * are handled asynchronously
	 */
	if (mvmvif->ap_sta_id == IWL_MVM_INVALID_STA)
		return;

	/* No BT - reports should be disabled */
	if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF)
		return;

	IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid,
		       rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW");

	/*
	 * Check if rssi is good enough for reduced Tx power, but not in loose
	 * scheme.
	 */
	if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant ||
	    iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT)
		ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
						  false);
	else
		ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true);

	if (ret)
		IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n");
}

#define LINK_QUAL_AGG_TIME_LIMIT_DEF	(4000)
#define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT	(1200)

u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
				struct ieee80211_sta *sta)
{
	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
	struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt;
	enum iwl_bt_coex_lut_type lut_type;

	if (mvm->last_bt_notif.ttc_status & BIT(phy_ctxt->id))
		return LINK_QUAL_AGG_TIME_LIMIT_DEF;

	if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
	    BT_HIGH_TRAFFIC)
		return LINK_QUAL_AGG_TIME_LIMIT_DEF;

	lut_type = iwl_get_coex_type(mvm, mvmsta->vif);

	if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT)
		return LINK_QUAL_AGG_TIME_LIMIT_DEF;

	/* tight coex, high bt traffic, reduce AGG time limit */
	return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT;
}

bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
				     struct ieee80211_sta *sta)
{
	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
	struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt;
	enum iwl_bt_coex_lut_type lut_type;

	if (mvm->last_bt_notif.ttc_status & BIT(phy_ctxt->id))
		return true;

	if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
	    BT_HIGH_TRAFFIC)
		return true;

	/*
	 * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas
	 * since BT is already killed.
	 * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while
	 * we Tx.
	 * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO.
	 */
	lut_type = iwl_get_coex_type(mvm, mvmsta->vif);
	return lut_type != BT_COEX_LOOSE_LUT;
}

bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant)
{
	/* there is no other antenna, shared antenna is always available */
	if (mvm->cfg->bt_shared_single_ant)
		return true;

	if (ant & mvm->cfg->non_shared_ant)
		return true;

	return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) <
		BT_HIGH_TRAFFIC;
}

bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm)
{
	/* there is no other antenna, shared antenna is always available */
	if (mvm->cfg->bt_shared_single_ant)
		return true;

	return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) < BT_HIGH_TRAFFIC;
}

bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
				    enum nl80211_band band)
{
	u32 bt_activity = le32_to_cpu(mvm->last_bt_notif.bt_activity_grading);

	if (band != NL80211_BAND_2GHZ)
		return false;

	return bt_activity >= BT_LOW_TRAFFIC;
}
示例#7
0
文件: coex.c 项目: Lyude/linux
/* must be called under rcu_read_lock */
static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
				      struct ieee80211_vif *vif)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	struct iwl_bt_iterator_data *data = _data;
	struct iwl_mvm *mvm = data->mvm;
	struct ieee80211_chanctx_conf *chanctx_conf;
	/* default smps_mode is AUTOMATIC - only used for client modes */
	enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_AUTOMATIC;
	u32 bt_activity_grading;
	int ave_rssi;

	lockdep_assert_held(&mvm->mutex);

	switch (vif->type) {
	case NL80211_IFTYPE_STATION:
		break;
	case NL80211_IFTYPE_AP:
		if (!mvmvif->ap_ibss_active)
			return;
		break;
	default:
		return;
	}

	chanctx_conf = rcu_dereference(vif->chanctx_conf);

	/* If channel context is invalid or not on 2.4GHz .. */
	if ((!chanctx_conf ||
	     chanctx_conf->def.chan->band != NL80211_BAND_2GHZ)) {
		if (vif->type == NL80211_IFTYPE_STATION) {
			/* ... relax constraints and disable rssi events */
			iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
					    smps_mode);
			iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id,
						    false);
			iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
		}
		return;
	}

	bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading);
	if (bt_activity_grading >= BT_HIGH_TRAFFIC)
		smps_mode = IEEE80211_SMPS_STATIC;
	else if (bt_activity_grading >= BT_LOW_TRAFFIC)
		smps_mode = IEEE80211_SMPS_DYNAMIC;

	/* relax SMPS constraints for next association */
	if (!vif->bss_conf.assoc)
		smps_mode = IEEE80211_SMPS_AUTOMATIC;

	if (mvmvif->phy_ctxt &&
	    (mvm->last_bt_notif.rrc_status & BIT(mvmvif->phy_ctxt->id)))
		smps_mode = IEEE80211_SMPS_AUTOMATIC;

	IWL_DEBUG_COEX(data->mvm,
		       "mac %d: bt_activity_grading %d smps_req %d\n",
		       mvmvif->id, bt_activity_grading, smps_mode);

	if (vif->type == NL80211_IFTYPE_STATION)
		iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX,
				    smps_mode);

	/* low latency is always primary */
	if (iwl_mvm_vif_low_latency(mvmvif)) {
		data->primary_ll = true;

		data->secondary = data->primary;
		data->primary = chanctx_conf;
	}

	if (vif->type == NL80211_IFTYPE_AP) {
		if (!mvmvif->ap_ibss_active)
			return;

		if (chanctx_conf == data->primary)
			return;

		if (!data->primary_ll) {
			/*
			 * downgrade the current primary no matter what its
			 * type is.
			 */
			data->secondary = data->primary;
			data->primary = chanctx_conf;
		} else {
			/* there is low latency vif - we will be secondary */
			data->secondary = chanctx_conf;
		}

		if (data->primary == chanctx_conf)
			data->primary_load = mvm->tcm.result.load[mvmvif->id];
		else if (data->secondary == chanctx_conf)
			data->secondary_load = mvm->tcm.result.load[mvmvif->id];
		return;
	}

	/*
	 * STA / P2P Client, try to be primary if first vif. If we are in low
	 * latency mode, we are already in primary and just don't do much
	 */
	if (!data->primary || data->primary == chanctx_conf)
		data->primary = chanctx_conf;
	else if (!data->secondary)
		/* if secondary is not NULL, it might be a GO */
		data->secondary = chanctx_conf;

	if (data->primary == chanctx_conf)
		data->primary_load = mvm->tcm.result.load[mvmvif->id];
	else if (data->secondary == chanctx_conf)
		data->secondary_load = mvm->tcm.result.load[mvmvif->id];
	/*
	 * don't reduce the Tx power if one of these is true:
	 *  we are in LOOSE
	 *  single share antenna product
	 *  BT is inactive
	 *  we are not associated
	 */
	if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT ||
	    mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc ||
	    le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF) {
		iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false);
		iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0);
		return;
	}

	/* try to get the avg rssi from fw */
	ave_rssi = mvmvif->bf_data.ave_beacon_signal;

	/* if the RSSI isn't valid, fake it is very low */
	if (!ave_rssi)
		ave_rssi = -100;
	if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) {
		if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true))
			IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
	} else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) {
		if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false))
			IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n");
	}

	/* Begin to monitor the RSSI: it may influence the reduced Tx power */
	iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi);
}